1 | /* |
1 | /* |
2 | * libev event processing core, watcher management |
2 | * libev event processing core, watcher management |
3 | * |
3 | * |
4 | * Copyright (c) 2007,2008,2009,2010 Marc Alexander Lehmann <libev@schmorp.de> |
4 | * Copyright (c) 2007-2020 Marc Alexander Lehmann <libev@schmorp.de> |
5 | * All rights reserved. |
5 | * All rights reserved. |
6 | * |
6 | * |
7 | * Redistribution and use in source and binary forms, with or without modifica- |
7 | * Redistribution and use in source and binary forms, with or without modifica- |
8 | * tion, are permitted provided that the following conditions are met: |
8 | * tion, are permitted provided that the following conditions are met: |
9 | * |
9 | * |
10 | * 1. Redistributions of source code must retain the above copyright notice, |
10 | * 1. Redistributions of source code must retain the above copyright notice, |
11 | * this list of conditions and the following disclaimer. |
11 | * this list of conditions and the following disclaimer. |
12 | * |
12 | * |
13 | * 2. Redistributions in binary form must reproduce the above copyright |
13 | * 2. Redistributions in binary form must reproduce the above copyright |
14 | * notice, this list of conditions and the following disclaimer in the |
14 | * notice, this list of conditions and the following disclaimer in the |
15 | * documentation and/or other materials provided with the distribution. |
15 | * documentation and/or other materials provided with the distribution. |
16 | * |
16 | * |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED |
18 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER- |
18 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER- |
19 | * CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO |
19 | * CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO |
20 | * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE- |
20 | * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE- |
21 | * CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
21 | * CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
… | |
… | |
35 | * and other provisions required by the GPL. If you do not delete the |
35 | * and other provisions required by the GPL. If you do not delete the |
36 | * provisions above, a recipient may use your version of this file under |
36 | * provisions above, a recipient may use your version of this file under |
37 | * either the BSD or the GPL. |
37 | * either the BSD or the GPL. |
38 | */ |
38 | */ |
39 | |
39 | |
40 | #ifdef __cplusplus |
|
|
41 | extern "C" { |
|
|
42 | #endif |
|
|
43 | |
|
|
44 | /* this big block deduces configuration from config.h */ |
40 | /* this big block deduces configuration from config.h */ |
45 | #ifndef EV_STANDALONE |
41 | #ifndef EV_STANDALONE |
46 | # ifdef EV_CONFIG_H |
42 | # ifdef EV_CONFIG_H |
47 | # include EV_CONFIG_H |
43 | # include EV_CONFIG_H |
48 | # else |
44 | # else |
49 | # include "config.h" |
45 | # include "config.h" |
|
|
46 | # endif |
|
|
47 | |
|
|
48 | # if HAVE_FLOOR |
|
|
49 | # ifndef EV_USE_FLOOR |
|
|
50 | # define EV_USE_FLOOR 1 |
|
|
51 | # endif |
50 | # endif |
52 | # endif |
51 | |
53 | |
52 | # if HAVE_CLOCK_SYSCALL |
54 | # if HAVE_CLOCK_SYSCALL |
53 | # ifndef EV_USE_CLOCK_SYSCALL |
55 | # ifndef EV_USE_CLOCK_SYSCALL |
54 | # define EV_USE_CLOCK_SYSCALL 1 |
56 | # define EV_USE_CLOCK_SYSCALL 1 |
… | |
… | |
57 | # endif |
59 | # endif |
58 | # ifndef EV_USE_MONOTONIC |
60 | # ifndef EV_USE_MONOTONIC |
59 | # define EV_USE_MONOTONIC 1 |
61 | # define EV_USE_MONOTONIC 1 |
60 | # endif |
62 | # endif |
61 | # endif |
63 | # endif |
62 | # elif !defined(EV_USE_CLOCK_SYSCALL) |
64 | # elif !defined EV_USE_CLOCK_SYSCALL |
63 | # define EV_USE_CLOCK_SYSCALL 0 |
65 | # define EV_USE_CLOCK_SYSCALL 0 |
64 | # endif |
66 | # endif |
65 | |
67 | |
66 | # if HAVE_CLOCK_GETTIME |
68 | # if HAVE_CLOCK_GETTIME |
67 | # ifndef EV_USE_MONOTONIC |
69 | # ifndef EV_USE_MONOTONIC |
… | |
… | |
77 | # ifndef EV_USE_REALTIME |
79 | # ifndef EV_USE_REALTIME |
78 | # define EV_USE_REALTIME 0 |
80 | # define EV_USE_REALTIME 0 |
79 | # endif |
81 | # endif |
80 | # endif |
82 | # endif |
81 | |
83 | |
|
|
84 | # if HAVE_NANOSLEEP |
82 | # ifndef EV_USE_NANOSLEEP |
85 | # ifndef EV_USE_NANOSLEEP |
83 | # if HAVE_NANOSLEEP |
|
|
84 | # define EV_USE_NANOSLEEP 1 |
86 | # define EV_USE_NANOSLEEP EV_FEATURE_OS |
|
|
87 | # endif |
85 | # else |
88 | # else |
|
|
89 | # undef EV_USE_NANOSLEEP |
86 | # define EV_USE_NANOSLEEP 0 |
90 | # define EV_USE_NANOSLEEP 0 |
|
|
91 | # endif |
|
|
92 | |
|
|
93 | # if HAVE_SELECT && HAVE_SYS_SELECT_H |
|
|
94 | # ifndef EV_USE_SELECT |
|
|
95 | # define EV_USE_SELECT EV_FEATURE_BACKENDS |
87 | # endif |
96 | # endif |
|
|
97 | # else |
|
|
98 | # undef EV_USE_SELECT |
|
|
99 | # define EV_USE_SELECT 0 |
88 | # endif |
100 | # endif |
89 | |
101 | |
|
|
102 | # if HAVE_POLL && HAVE_POLL_H |
90 | # ifndef EV_USE_SELECT |
103 | # ifndef EV_USE_POLL |
91 | # if HAVE_SELECT && HAVE_SYS_SELECT_H |
104 | # define EV_USE_POLL EV_FEATURE_BACKENDS |
92 | # define EV_USE_SELECT 1 |
|
|
93 | # else |
|
|
94 | # define EV_USE_SELECT 0 |
|
|
95 | # endif |
105 | # endif |
96 | # endif |
|
|
97 | |
|
|
98 | # ifndef EV_USE_POLL |
|
|
99 | # if HAVE_POLL && HAVE_POLL_H |
|
|
100 | # define EV_USE_POLL 1 |
|
|
101 | # else |
106 | # else |
|
|
107 | # undef EV_USE_POLL |
102 | # define EV_USE_POLL 0 |
108 | # define EV_USE_POLL 0 |
103 | # endif |
|
|
104 | # endif |
109 | # endif |
105 | |
110 | |
106 | # ifndef EV_USE_EPOLL |
|
|
107 | # if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H |
111 | # if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H |
108 | # define EV_USE_EPOLL 1 |
112 | # ifndef EV_USE_EPOLL |
109 | # else |
113 | # define EV_USE_EPOLL EV_FEATURE_BACKENDS |
110 | # define EV_USE_EPOLL 0 |
|
|
111 | # endif |
114 | # endif |
|
|
115 | # else |
|
|
116 | # undef EV_USE_EPOLL |
|
|
117 | # define EV_USE_EPOLL 0 |
112 | # endif |
118 | # endif |
113 | |
119 | |
114 | # ifndef EV_USE_KQUEUE |
120 | # if HAVE_LINUX_AIO_ABI_H |
115 | # if HAVE_KQUEUE && HAVE_SYS_EVENT_H |
121 | # ifndef EV_USE_LINUXAIO |
116 | # define EV_USE_KQUEUE 1 |
122 | # define EV_USE_LINUXAIO 0 /* was: EV_FEATURE_BACKENDS, always off by default */ |
117 | # else |
|
|
118 | # define EV_USE_KQUEUE 0 |
|
|
119 | # endif |
123 | # endif |
|
|
124 | # else |
|
|
125 | # undef EV_USE_LINUXAIO |
|
|
126 | # define EV_USE_LINUXAIO 0 |
120 | # endif |
127 | # endif |
121 | |
128 | |
|
|
129 | # if HAVE_LINUX_FS_H && HAVE_SYS_TIMERFD_H && HAVE_KERNEL_RWF_T |
122 | # ifndef EV_USE_PORT |
130 | # ifndef EV_USE_IOURING |
123 | # if HAVE_PORT_H && HAVE_PORT_CREATE |
131 | # define EV_USE_IOURING EV_FEATURE_BACKENDS |
124 | # define EV_USE_PORT 1 |
|
|
125 | # else |
|
|
126 | # define EV_USE_PORT 0 |
|
|
127 | # endif |
132 | # endif |
128 | # endif |
|
|
129 | |
|
|
130 | # ifndef EV_USE_INOTIFY |
|
|
131 | # if HAVE_INOTIFY_INIT && HAVE_SYS_INOTIFY_H |
|
|
132 | # define EV_USE_INOTIFY 1 |
|
|
133 | # else |
133 | # else |
|
|
134 | # undef EV_USE_IOURING |
134 | # define EV_USE_INOTIFY 0 |
135 | # define EV_USE_IOURING 0 |
135 | # endif |
|
|
136 | # endif |
|
|
137 | |
|
|
138 | # ifndef EV_USE_SIGNALFD |
|
|
139 | # if HAVE_SIGNALFD && HAVE_SYS_SIGNALFD_H |
|
|
140 | # define EV_USE_SIGNALFD 1 |
|
|
141 | # else |
|
|
142 | # define EV_USE_SIGNALFD 0 |
|
|
143 | # endif |
|
|
144 | # endif |
|
|
145 | |
|
|
146 | # ifndef EV_USE_EVENTFD |
|
|
147 | # if HAVE_EVENTFD |
|
|
148 | # define EV_USE_EVENTFD 1 |
|
|
149 | # else |
|
|
150 | # define EV_USE_EVENTFD 0 |
|
|
151 | # endif |
|
|
152 | # endif |
136 | # endif |
153 | |
137 | |
|
|
138 | # if HAVE_KQUEUE && HAVE_SYS_EVENT_H |
|
|
139 | # ifndef EV_USE_KQUEUE |
|
|
140 | # define EV_USE_KQUEUE EV_FEATURE_BACKENDS |
|
|
141 | # endif |
|
|
142 | # else |
|
|
143 | # undef EV_USE_KQUEUE |
|
|
144 | # define EV_USE_KQUEUE 0 |
154 | #endif |
145 | # endif |
|
|
146 | |
|
|
147 | # if HAVE_PORT_H && HAVE_PORT_CREATE |
|
|
148 | # ifndef EV_USE_PORT |
|
|
149 | # define EV_USE_PORT EV_FEATURE_BACKENDS |
|
|
150 | # endif |
|
|
151 | # else |
|
|
152 | # undef EV_USE_PORT |
|
|
153 | # define EV_USE_PORT 0 |
|
|
154 | # endif |
155 | |
155 | |
156 | #include <math.h> |
156 | # if HAVE_INOTIFY_INIT && HAVE_SYS_INOTIFY_H |
|
|
157 | # ifndef EV_USE_INOTIFY |
|
|
158 | # define EV_USE_INOTIFY EV_FEATURE_OS |
|
|
159 | # endif |
|
|
160 | # else |
|
|
161 | # undef EV_USE_INOTIFY |
|
|
162 | # define EV_USE_INOTIFY 0 |
|
|
163 | # endif |
|
|
164 | |
|
|
165 | # if HAVE_SIGNALFD && HAVE_SYS_SIGNALFD_H |
|
|
166 | # ifndef EV_USE_SIGNALFD |
|
|
167 | # define EV_USE_SIGNALFD EV_FEATURE_OS |
|
|
168 | # endif |
|
|
169 | # else |
|
|
170 | # undef EV_USE_SIGNALFD |
|
|
171 | # define EV_USE_SIGNALFD 0 |
|
|
172 | # endif |
|
|
173 | |
|
|
174 | # if HAVE_EVENTFD |
|
|
175 | # ifndef EV_USE_EVENTFD |
|
|
176 | # define EV_USE_EVENTFD EV_FEATURE_OS |
|
|
177 | # endif |
|
|
178 | # else |
|
|
179 | # undef EV_USE_EVENTFD |
|
|
180 | # define EV_USE_EVENTFD 0 |
|
|
181 | # endif |
|
|
182 | |
|
|
183 | # if HAVE_SYS_TIMERFD_H |
|
|
184 | # ifndef EV_USE_TIMERFD |
|
|
185 | # define EV_USE_TIMERFD EV_FEATURE_OS |
|
|
186 | # endif |
|
|
187 | # else |
|
|
188 | # undef EV_USE_TIMERFD |
|
|
189 | # define EV_USE_TIMERFD 0 |
|
|
190 | # endif |
|
|
191 | |
|
|
192 | #endif |
|
|
193 | |
|
|
194 | /* OS X, in its infinite idiocy, actually HARDCODES |
|
|
195 | * a limit of 1024 into their select. Where people have brains, |
|
|
196 | * OS X engineers apparently have a vacuum. Or maybe they were |
|
|
197 | * ordered to have a vacuum, or they do anything for money. |
|
|
198 | * This might help. Or not. |
|
|
199 | * Note that this must be defined early, as other include files |
|
|
200 | * will rely on this define as well. |
|
|
201 | */ |
|
|
202 | #define _DARWIN_UNLIMITED_SELECT 1 |
|
|
203 | |
157 | #include <stdlib.h> |
204 | #include <stdlib.h> |
158 | #include <string.h> |
205 | #include <string.h> |
159 | #include <fcntl.h> |
206 | #include <fcntl.h> |
160 | #include <stddef.h> |
207 | #include <stddef.h> |
161 | |
208 | |
… | |
… | |
171 | |
218 | |
172 | #ifdef EV_H |
219 | #ifdef EV_H |
173 | # include EV_H |
220 | # include EV_H |
174 | #else |
221 | #else |
175 | # include "ev.h" |
222 | # include "ev.h" |
|
|
223 | #endif |
|
|
224 | |
|
|
225 | #if EV_NO_THREADS |
|
|
226 | # undef EV_NO_SMP |
|
|
227 | # define EV_NO_SMP 1 |
|
|
228 | # undef ECB_NO_THREADS |
|
|
229 | # define ECB_NO_THREADS 1 |
|
|
230 | #endif |
|
|
231 | #if EV_NO_SMP |
|
|
232 | # undef EV_NO_SMP |
|
|
233 | # define ECB_NO_SMP 1 |
176 | #endif |
234 | #endif |
177 | |
235 | |
178 | #ifndef _WIN32 |
236 | #ifndef _WIN32 |
179 | # include <sys/time.h> |
237 | # include <sys/time.h> |
180 | # include <sys/wait.h> |
238 | # include <sys/wait.h> |
181 | # include <unistd.h> |
239 | # include <unistd.h> |
182 | #else |
240 | #else |
183 | # include <io.h> |
241 | # include <io.h> |
184 | # define WIN32_LEAN_AND_MEAN |
242 | # define WIN32_LEAN_AND_MEAN |
|
|
243 | # include <winsock2.h> |
185 | # include <windows.h> |
244 | # include <windows.h> |
186 | # ifndef EV_SELECT_IS_WINSOCKET |
245 | # ifndef EV_SELECT_IS_WINSOCKET |
187 | # define EV_SELECT_IS_WINSOCKET 1 |
246 | # define EV_SELECT_IS_WINSOCKET 1 |
188 | # endif |
247 | # endif |
|
|
248 | # undef EV_AVOID_STDIO |
189 | #endif |
249 | #endif |
190 | |
250 | |
191 | /* this block tries to deduce configuration from header-defined symbols and defaults */ |
251 | /* this block tries to deduce configuration from header-defined symbols and defaults */ |
192 | |
252 | |
193 | /* try to deduce the maximum number of signals on this platform */ |
253 | /* try to deduce the maximum number of signals on this platform */ |
194 | #if defined (EV_NSIG) |
254 | #if defined EV_NSIG |
195 | /* use what's provided */ |
255 | /* use what's provided */ |
196 | #elif defined (NSIG) |
256 | #elif defined NSIG |
197 | # define EV_NSIG (NSIG) |
257 | # define EV_NSIG (NSIG) |
198 | #elif defined(_NSIG) |
258 | #elif defined _NSIG |
199 | # define EV_NSIG (_NSIG) |
259 | # define EV_NSIG (_NSIG) |
200 | #elif defined (SIGMAX) |
260 | #elif defined SIGMAX |
201 | # define EV_NSIG (SIGMAX+1) |
261 | # define EV_NSIG (SIGMAX+1) |
202 | #elif defined (SIG_MAX) |
262 | #elif defined SIG_MAX |
203 | # define EV_NSIG (SIG_MAX+1) |
263 | # define EV_NSIG (SIG_MAX+1) |
204 | #elif defined (_SIG_MAX) |
264 | #elif defined _SIG_MAX |
205 | # define EV_NSIG (_SIG_MAX+1) |
265 | # define EV_NSIG (_SIG_MAX+1) |
206 | #elif defined (MAXSIG) |
266 | #elif defined MAXSIG |
207 | # define EV_NSIG (MAXSIG+1) |
267 | # define EV_NSIG (MAXSIG+1) |
208 | #elif defined (MAX_SIG) |
268 | #elif defined MAX_SIG |
209 | # define EV_NSIG (MAX_SIG+1) |
269 | # define EV_NSIG (MAX_SIG+1) |
210 | #elif defined (SIGARRAYSIZE) |
270 | #elif defined SIGARRAYSIZE |
211 | # define EV_NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */ |
271 | # define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */ |
212 | #elif defined (_sys_nsig) |
272 | #elif defined _sys_nsig |
213 | # define EV_NSIG (_sys_nsig) /* Solaris 2.5 */ |
273 | # define EV_NSIG (_sys_nsig) /* Solaris 2.5 */ |
214 | #else |
274 | #else |
215 | # error "unable to find value for NSIG, please report" |
275 | # define EV_NSIG (8 * sizeof (sigset_t) + 1) |
216 | /* to make it compile regardless, just remove the above line */ |
276 | #endif |
217 | # define EV_NSIG 65 |
277 | |
|
|
278 | #ifndef EV_USE_FLOOR |
|
|
279 | # define EV_USE_FLOOR 0 |
218 | #endif |
280 | #endif |
219 | |
281 | |
220 | #ifndef EV_USE_CLOCK_SYSCALL |
282 | #ifndef EV_USE_CLOCK_SYSCALL |
221 | # if __linux && __GLIBC__ >= 2 |
283 | # if __linux && __GLIBC__ == 2 && __GLIBC_MINOR__ < 17 |
222 | # define EV_USE_CLOCK_SYSCALL 1 |
284 | # define EV_USE_CLOCK_SYSCALL EV_FEATURE_OS |
223 | # else |
285 | # else |
224 | # define EV_USE_CLOCK_SYSCALL 0 |
286 | # define EV_USE_CLOCK_SYSCALL 0 |
225 | # endif |
287 | # endif |
226 | #endif |
288 | #endif |
227 | |
289 | |
|
|
290 | #if !(_POSIX_TIMERS > 0) |
|
|
291 | # ifndef EV_USE_MONOTONIC |
|
|
292 | # define EV_USE_MONOTONIC 0 |
|
|
293 | # endif |
|
|
294 | # ifndef EV_USE_REALTIME |
|
|
295 | # define EV_USE_REALTIME 0 |
|
|
296 | # endif |
|
|
297 | #endif |
|
|
298 | |
228 | #ifndef EV_USE_MONOTONIC |
299 | #ifndef EV_USE_MONOTONIC |
229 | # if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0 |
300 | # if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0 |
230 | # define EV_USE_MONOTONIC 1 |
301 | # define EV_USE_MONOTONIC EV_FEATURE_OS |
231 | # else |
302 | # else |
232 | # define EV_USE_MONOTONIC 0 |
303 | # define EV_USE_MONOTONIC 0 |
233 | # endif |
304 | # endif |
234 | #endif |
305 | #endif |
235 | |
306 | |
… | |
… | |
237 | # define EV_USE_REALTIME !EV_USE_CLOCK_SYSCALL |
308 | # define EV_USE_REALTIME !EV_USE_CLOCK_SYSCALL |
238 | #endif |
309 | #endif |
239 | |
310 | |
240 | #ifndef EV_USE_NANOSLEEP |
311 | #ifndef EV_USE_NANOSLEEP |
241 | # if _POSIX_C_SOURCE >= 199309L |
312 | # if _POSIX_C_SOURCE >= 199309L |
242 | # define EV_USE_NANOSLEEP 1 |
313 | # define EV_USE_NANOSLEEP EV_FEATURE_OS |
243 | # else |
314 | # else |
244 | # define EV_USE_NANOSLEEP 0 |
315 | # define EV_USE_NANOSLEEP 0 |
245 | # endif |
316 | # endif |
246 | #endif |
317 | #endif |
247 | |
318 | |
248 | #ifndef EV_USE_SELECT |
319 | #ifndef EV_USE_SELECT |
249 | # define EV_USE_SELECT 1 |
320 | # define EV_USE_SELECT EV_FEATURE_BACKENDS |
250 | #endif |
321 | #endif |
251 | |
322 | |
252 | #ifndef EV_USE_POLL |
323 | #ifndef EV_USE_POLL |
253 | # ifdef _WIN32 |
324 | # ifdef _WIN32 |
254 | # define EV_USE_POLL 0 |
325 | # define EV_USE_POLL 0 |
255 | # else |
326 | # else |
256 | # define EV_USE_POLL 1 |
327 | # define EV_USE_POLL EV_FEATURE_BACKENDS |
257 | # endif |
328 | # endif |
258 | #endif |
329 | #endif |
259 | |
330 | |
260 | #ifndef EV_USE_EPOLL |
331 | #ifndef EV_USE_EPOLL |
261 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
332 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
262 | # define EV_USE_EPOLL 1 |
333 | # define EV_USE_EPOLL EV_FEATURE_BACKENDS |
263 | # else |
334 | # else |
264 | # define EV_USE_EPOLL 0 |
335 | # define EV_USE_EPOLL 0 |
265 | # endif |
336 | # endif |
266 | #endif |
337 | #endif |
267 | |
338 | |
… | |
… | |
271 | |
342 | |
272 | #ifndef EV_USE_PORT |
343 | #ifndef EV_USE_PORT |
273 | # define EV_USE_PORT 0 |
344 | # define EV_USE_PORT 0 |
274 | #endif |
345 | #endif |
275 | |
346 | |
|
|
347 | #ifndef EV_USE_LINUXAIO |
|
|
348 | # if __linux /* libev currently assumes linux/aio_abi.h is always available on linux */ |
|
|
349 | # define EV_USE_LINUXAIO 0 /* was: 1, always off by default */ |
|
|
350 | # else |
|
|
351 | # define EV_USE_LINUXAIO 0 |
|
|
352 | # endif |
|
|
353 | #endif |
|
|
354 | |
|
|
355 | #ifndef EV_USE_IOURING |
|
|
356 | # if __linux /* later checks might disable again */ |
|
|
357 | # define EV_USE_IOURING 1 |
|
|
358 | # else |
|
|
359 | # define EV_USE_IOURING 0 |
|
|
360 | # endif |
|
|
361 | #endif |
|
|
362 | |
276 | #ifndef EV_USE_INOTIFY |
363 | #ifndef EV_USE_INOTIFY |
277 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
364 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
278 | # define EV_USE_INOTIFY 1 |
365 | # define EV_USE_INOTIFY EV_FEATURE_OS |
279 | # else |
366 | # else |
280 | # define EV_USE_INOTIFY 0 |
367 | # define EV_USE_INOTIFY 0 |
281 | # endif |
368 | # endif |
282 | #endif |
369 | #endif |
283 | |
370 | |
284 | #ifndef EV_PID_HASHSIZE |
371 | #ifndef EV_PID_HASHSIZE |
285 | # if EV_MINIMAL |
372 | # define EV_PID_HASHSIZE EV_FEATURE_DATA ? 16 : 1 |
286 | # define EV_PID_HASHSIZE 1 |
|
|
287 | # else |
|
|
288 | # define EV_PID_HASHSIZE 16 |
|
|
289 | # endif |
|
|
290 | #endif |
373 | #endif |
291 | |
374 | |
292 | #ifndef EV_INOTIFY_HASHSIZE |
375 | #ifndef EV_INOTIFY_HASHSIZE |
293 | # if EV_MINIMAL |
376 | # define EV_INOTIFY_HASHSIZE EV_FEATURE_DATA ? 16 : 1 |
294 | # define EV_INOTIFY_HASHSIZE 1 |
|
|
295 | # else |
|
|
296 | # define EV_INOTIFY_HASHSIZE 16 |
|
|
297 | # endif |
|
|
298 | #endif |
377 | #endif |
299 | |
378 | |
300 | #ifndef EV_USE_EVENTFD |
379 | #ifndef EV_USE_EVENTFD |
301 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
380 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
302 | # define EV_USE_EVENTFD 1 |
381 | # define EV_USE_EVENTFD EV_FEATURE_OS |
303 | # else |
382 | # else |
304 | # define EV_USE_EVENTFD 0 |
383 | # define EV_USE_EVENTFD 0 |
305 | # endif |
384 | # endif |
306 | #endif |
385 | #endif |
307 | |
386 | |
308 | #ifndef EV_USE_SIGNALFD |
387 | #ifndef EV_USE_SIGNALFD |
309 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
388 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
310 | # define EV_USE_SIGNALFD 1 |
389 | # define EV_USE_SIGNALFD EV_FEATURE_OS |
311 | # else |
390 | # else |
312 | # define EV_USE_SIGNALFD 0 |
391 | # define EV_USE_SIGNALFD 0 |
|
|
392 | # endif |
|
|
393 | #endif |
|
|
394 | |
|
|
395 | #ifndef EV_USE_TIMERFD |
|
|
396 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 8)) |
|
|
397 | # define EV_USE_TIMERFD EV_FEATURE_OS |
|
|
398 | # else |
|
|
399 | # define EV_USE_TIMERFD 0 |
313 | # endif |
400 | # endif |
314 | #endif |
401 | #endif |
315 | |
402 | |
316 | #if 0 /* debugging */ |
403 | #if 0 /* debugging */ |
317 | # define EV_VERIFY 3 |
404 | # define EV_VERIFY 3 |
318 | # define EV_USE_4HEAP 1 |
405 | # define EV_USE_4HEAP 1 |
319 | # define EV_HEAP_CACHE_AT 1 |
406 | # define EV_HEAP_CACHE_AT 1 |
320 | #endif |
407 | #endif |
321 | |
408 | |
322 | #ifndef EV_VERIFY |
409 | #ifndef EV_VERIFY |
323 | # define EV_VERIFY !EV_MINIMAL |
410 | # define EV_VERIFY (EV_FEATURE_API ? 1 : 0) |
324 | #endif |
411 | #endif |
325 | |
412 | |
326 | #ifndef EV_USE_4HEAP |
413 | #ifndef EV_USE_4HEAP |
327 | # define EV_USE_4HEAP !EV_MINIMAL |
414 | # define EV_USE_4HEAP EV_FEATURE_DATA |
328 | #endif |
415 | #endif |
329 | |
416 | |
330 | #ifndef EV_HEAP_CACHE_AT |
417 | #ifndef EV_HEAP_CACHE_AT |
331 | # define EV_HEAP_CACHE_AT !EV_MINIMAL |
418 | # define EV_HEAP_CACHE_AT EV_FEATURE_DATA |
|
|
419 | #endif |
|
|
420 | |
|
|
421 | #ifdef __ANDROID__ |
|
|
422 | /* supposedly, android doesn't typedef fd_mask */ |
|
|
423 | # undef EV_USE_SELECT |
|
|
424 | # define EV_USE_SELECT 0 |
|
|
425 | /* supposedly, we need to include syscall.h, not sys/syscall.h, so just disable */ |
|
|
426 | # undef EV_USE_CLOCK_SYSCALL |
|
|
427 | # define EV_USE_CLOCK_SYSCALL 0 |
|
|
428 | #endif |
|
|
429 | |
|
|
430 | /* aix's poll.h seems to cause lots of trouble */ |
|
|
431 | #ifdef _AIX |
|
|
432 | /* AIX has a completely broken poll.h header */ |
|
|
433 | # undef EV_USE_POLL |
|
|
434 | # define EV_USE_POLL 0 |
332 | #endif |
435 | #endif |
333 | |
436 | |
334 | /* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */ |
437 | /* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */ |
335 | /* which makes programs even slower. might work on other unices, too. */ |
438 | /* which makes programs even slower. might work on other unices, too. */ |
336 | #if EV_USE_CLOCK_SYSCALL |
439 | #if EV_USE_CLOCK_SYSCALL |
337 | # include <syscall.h> |
440 | # include <sys/syscall.h> |
338 | # ifdef SYS_clock_gettime |
441 | # ifdef SYS_clock_gettime |
339 | # define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) |
442 | # define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) |
340 | # undef EV_USE_MONOTONIC |
443 | # undef EV_USE_MONOTONIC |
341 | # define EV_USE_MONOTONIC 1 |
444 | # define EV_USE_MONOTONIC 1 |
|
|
445 | # define EV_NEED_SYSCALL 1 |
342 | # else |
446 | # else |
343 | # undef EV_USE_CLOCK_SYSCALL |
447 | # undef EV_USE_CLOCK_SYSCALL |
344 | # define EV_USE_CLOCK_SYSCALL 0 |
448 | # define EV_USE_CLOCK_SYSCALL 0 |
345 | # endif |
449 | # endif |
346 | #endif |
450 | #endif |
347 | |
451 | |
348 | /* this block fixes any misconfiguration where we know we run into trouble otherwise */ |
452 | /* this block fixes any misconfiguration where we know we run into trouble otherwise */ |
349 | |
453 | |
350 | #ifdef _AIX |
|
|
351 | /* AIX has a completely broken poll.h header */ |
|
|
352 | # undef EV_USE_POLL |
|
|
353 | # define EV_USE_POLL 0 |
|
|
354 | #endif |
|
|
355 | |
|
|
356 | #ifndef CLOCK_MONOTONIC |
454 | #ifndef CLOCK_MONOTONIC |
357 | # undef EV_USE_MONOTONIC |
455 | # undef EV_USE_MONOTONIC |
358 | # define EV_USE_MONOTONIC 0 |
456 | # define EV_USE_MONOTONIC 0 |
359 | #endif |
457 | #endif |
360 | |
458 | |
… | |
… | |
366 | #if !EV_STAT_ENABLE |
464 | #if !EV_STAT_ENABLE |
367 | # undef EV_USE_INOTIFY |
465 | # undef EV_USE_INOTIFY |
368 | # define EV_USE_INOTIFY 0 |
466 | # define EV_USE_INOTIFY 0 |
369 | #endif |
467 | #endif |
370 | |
468 | |
|
|
469 | #if __linux && EV_USE_IOURING |
|
|
470 | # include <linux/version.h> |
|
|
471 | # if LINUX_VERSION_CODE < KERNEL_VERSION(4,14,0) |
|
|
472 | # undef EV_USE_IOURING |
|
|
473 | # define EV_USE_IOURING 0 |
|
|
474 | # endif |
|
|
475 | #endif |
|
|
476 | |
371 | #if !EV_USE_NANOSLEEP |
477 | #if !EV_USE_NANOSLEEP |
372 | # ifndef _WIN32 |
478 | /* hp-ux has it in sys/time.h, which we unconditionally include above */ |
|
|
479 | # if !defined _WIN32 && !defined __hpux |
373 | # include <sys/select.h> |
480 | # include <sys/select.h> |
374 | # endif |
481 | # endif |
375 | #endif |
482 | #endif |
376 | |
483 | |
|
|
484 | #if EV_USE_LINUXAIO |
|
|
485 | # include <sys/syscall.h> |
|
|
486 | # if SYS_io_getevents && EV_USE_EPOLL /* linuxaio backend requires epoll backend */ |
|
|
487 | # define EV_NEED_SYSCALL 1 |
|
|
488 | # else |
|
|
489 | # undef EV_USE_LINUXAIO |
|
|
490 | # define EV_USE_LINUXAIO 0 |
|
|
491 | # endif |
|
|
492 | #endif |
|
|
493 | |
|
|
494 | #if EV_USE_IOURING |
|
|
495 | # include <sys/syscall.h> |
|
|
496 | # if !SYS_io_uring_register && __linux && !__alpha |
|
|
497 | # define SYS_io_uring_setup 425 |
|
|
498 | # define SYS_io_uring_enter 426 |
|
|
499 | # define SYS_io_uring_register 427 |
|
|
500 | # endif |
|
|
501 | # if SYS_io_uring_setup && EV_USE_EPOLL /* iouring backend requires epoll backend */ |
|
|
502 | # define EV_NEED_SYSCALL 1 |
|
|
503 | # else |
|
|
504 | # undef EV_USE_IOURING |
|
|
505 | # define EV_USE_IOURING 0 |
|
|
506 | # endif |
|
|
507 | #endif |
|
|
508 | |
377 | #if EV_USE_INOTIFY |
509 | #if EV_USE_INOTIFY |
378 | # include <sys/utsname.h> |
|
|
379 | # include <sys/statfs.h> |
510 | # include <sys/statfs.h> |
380 | # include <sys/inotify.h> |
511 | # include <sys/inotify.h> |
381 | /* some very old inotify.h headers don't have IN_DONT_FOLLOW */ |
512 | /* some very old inotify.h headers don't have IN_DONT_FOLLOW */ |
382 | # ifndef IN_DONT_FOLLOW |
513 | # ifndef IN_DONT_FOLLOW |
383 | # undef EV_USE_INOTIFY |
514 | # undef EV_USE_INOTIFY |
384 | # define EV_USE_INOTIFY 0 |
515 | # define EV_USE_INOTIFY 0 |
385 | # endif |
516 | # endif |
386 | #endif |
517 | #endif |
387 | |
518 | |
388 | #if EV_SELECT_IS_WINSOCKET |
|
|
389 | # include <winsock.h> |
|
|
390 | #endif |
|
|
391 | |
|
|
392 | #if EV_USE_EVENTFD |
519 | #if EV_USE_EVENTFD |
393 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
520 | /* our minimum requirement is glibc 2.7 which has the stub, but not the full header */ |
394 | # include <stdint.h> |
521 | # include <stdint.h> |
395 | # ifndef EFD_NONBLOCK |
522 | # ifndef EFD_NONBLOCK |
396 | # define EFD_NONBLOCK O_NONBLOCK |
523 | # define EFD_NONBLOCK O_NONBLOCK |
397 | # endif |
524 | # endif |
398 | # ifndef EFD_CLOEXEC |
525 | # ifndef EFD_CLOEXEC |
… | |
… | |
400 | # define EFD_CLOEXEC O_CLOEXEC |
527 | # define EFD_CLOEXEC O_CLOEXEC |
401 | # else |
528 | # else |
402 | # define EFD_CLOEXEC 02000000 |
529 | # define EFD_CLOEXEC 02000000 |
403 | # endif |
530 | # endif |
404 | # endif |
531 | # endif |
405 | # ifdef __cplusplus |
|
|
406 | extern "C" { |
|
|
407 | # endif |
|
|
408 | int (eventfd) (unsigned int initval, int flags); |
532 | EV_CPP(extern "C") int (eventfd) (unsigned int initval, int flags); |
409 | # ifdef __cplusplus |
|
|
410 | } |
|
|
411 | # endif |
|
|
412 | #endif |
533 | #endif |
413 | |
534 | |
414 | #if EV_USE_SIGNALFD |
535 | #if EV_USE_SIGNALFD |
415 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
536 | /* our minimum requirement is glibc 2.7 which has the stub, but not the full header */ |
416 | # include <stdint.h> |
537 | # include <stdint.h> |
417 | # ifndef SFD_NONBLOCK |
538 | # ifndef SFD_NONBLOCK |
418 | # define SFD_NONBLOCK O_NONBLOCK |
539 | # define SFD_NONBLOCK O_NONBLOCK |
419 | # endif |
540 | # endif |
420 | # ifndef SFD_CLOEXEC |
541 | # ifndef SFD_CLOEXEC |
… | |
… | |
422 | # define SFD_CLOEXEC O_CLOEXEC |
543 | # define SFD_CLOEXEC O_CLOEXEC |
423 | # else |
544 | # else |
424 | # define SFD_CLOEXEC 02000000 |
545 | # define SFD_CLOEXEC 02000000 |
425 | # endif |
546 | # endif |
426 | # endif |
547 | # endif |
427 | # ifdef __cplusplus |
|
|
428 | extern "C" { |
|
|
429 | # endif |
|
|
430 | int signalfd (int fd, const sigset_t *mask, int flags); |
548 | EV_CPP (extern "C") int (signalfd) (int fd, const sigset_t *mask, int flags); |
431 | |
549 | |
432 | struct signalfd_siginfo |
550 | struct signalfd_siginfo |
433 | { |
551 | { |
434 | uint32_t ssi_signo; |
552 | uint32_t ssi_signo; |
435 | char pad[128 - sizeof (uint32_t)]; |
553 | char pad[128 - sizeof (uint32_t)]; |
436 | }; |
554 | }; |
437 | # ifdef __cplusplus |
555 | #endif |
438 | } |
556 | |
|
|
557 | /* for timerfd, libev core requires TFD_TIMER_CANCEL_ON_SET &c */ |
|
|
558 | #if EV_USE_TIMERFD |
|
|
559 | # include <sys/timerfd.h> |
|
|
560 | /* timerfd is only used for periodics */ |
|
|
561 | # if !(defined (TFD_TIMER_CANCEL_ON_SET) && defined (TFD_CLOEXEC) && defined (TFD_NONBLOCK)) || !EV_PERIODIC_ENABLE |
|
|
562 | # undef EV_USE_TIMERFD |
|
|
563 | # define EV_USE_TIMERFD 0 |
439 | # endif |
564 | # endif |
440 | #endif |
565 | #endif |
441 | |
566 | |
442 | |
567 | /*****************************************************************************/ |
443 | /**/ |
|
|
444 | |
568 | |
445 | #if EV_VERIFY >= 3 |
569 | #if EV_VERIFY >= 3 |
446 | # define EV_FREQUENT_CHECK ev_loop_verify (EV_A) |
570 | # define EV_FREQUENT_CHECK ev_verify (EV_A) |
447 | #else |
571 | #else |
448 | # define EV_FREQUENT_CHECK do { } while (0) |
572 | # define EV_FREQUENT_CHECK do { } while (0) |
449 | #endif |
573 | #endif |
450 | |
574 | |
451 | /* |
575 | /* |
452 | * This is used to avoid floating point rounding problems. |
576 | * This is used to work around floating point rounding problems. |
453 | * It is added to ev_rt_now when scheduling periodics |
|
|
454 | * to ensure progress, time-wise, even when rounding |
|
|
455 | * errors are against us. |
|
|
456 | * This value is good at least till the year 4000. |
577 | * This value is good at least till the year 4000. |
457 | * Better solutions welcome. |
|
|
458 | */ |
578 | */ |
459 | #define TIME_EPSILON 0.0001220703125 /* 1/8192 */ |
579 | #define MIN_INTERVAL 0.0001220703125 /* 1/2**13, good till 4000 */ |
|
|
580 | /*#define MIN_INTERVAL 0.00000095367431640625 /* 1/2**20, good till 2200 */ |
460 | |
581 | |
461 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
582 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
462 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
583 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
|
|
584 | #define MAX_BLOCKTIME2 1500001.07 /* same, but when timerfd is used to detect jumps, also safe delay to not overflow */ |
463 | |
585 | |
|
|
586 | /* find a portable timestamp that is "always" in the future but fits into time_t. |
|
|
587 | * this is quite hard, and we are mostly guessing - we handle 32 bit signed/unsigned time_t, |
|
|
588 | * and sizes larger than 32 bit, and maybe the unlikely floating point time_t */ |
|
|
589 | #define EV_TSTAMP_HUGE \ |
|
|
590 | (sizeof (time_t) >= 8 ? 10000000000000. \ |
|
|
591 | : 0 < (time_t)4294967295 ? 4294967295. \ |
|
|
592 | : 2147483647.) \ |
|
|
593 | |
|
|
594 | #ifndef EV_TS_CONST |
|
|
595 | # define EV_TS_CONST(nv) nv |
|
|
596 | # define EV_TS_TO_MSEC(a) a * 1e3 + 0.9999 |
|
|
597 | # define EV_TS_FROM_USEC(us) us * 1e-6 |
|
|
598 | # define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } while (0) |
|
|
599 | # define EV_TS_SET(ts,t) do { ts.tv_sec = (long)t; ts.tv_nsec = (long)((t - ts.tv_sec) * 1e9); } while (0) |
|
|
600 | # define EV_TV_GET(tv) ((tv).tv_sec + (tv).tv_usec * 1e-6) |
|
|
601 | # define EV_TS_GET(ts) ((ts).tv_sec + (ts).tv_nsec * 1e-9) |
|
|
602 | #endif |
|
|
603 | |
|
|
604 | /* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */ |
|
|
605 | /* ECB.H BEGIN */ |
|
|
606 | /* |
|
|
607 | * libecb - http://software.schmorp.de/pkg/libecb |
|
|
608 | * |
|
|
609 | * Copyright (©) 2009-2015,2018-2020 Marc Alexander Lehmann <libecb@schmorp.de> |
|
|
610 | * Copyright (©) 2011 Emanuele Giaquinta |
|
|
611 | * All rights reserved. |
|
|
612 | * |
|
|
613 | * Redistribution and use in source and binary forms, with or without modifica- |
|
|
614 | * tion, are permitted provided that the following conditions are met: |
|
|
615 | * |
|
|
616 | * 1. Redistributions of source code must retain the above copyright notice, |
|
|
617 | * this list of conditions and the following disclaimer. |
|
|
618 | * |
|
|
619 | * 2. Redistributions in binary form must reproduce the above copyright |
|
|
620 | * notice, this list of conditions and the following disclaimer in the |
|
|
621 | * documentation and/or other materials provided with the distribution. |
|
|
622 | * |
|
|
623 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED |
|
|
624 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER- |
|
|
625 | * CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO |
|
|
626 | * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE- |
|
|
627 | * CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
|
|
628 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
|
|
629 | * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
|
|
630 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH- |
|
|
631 | * ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
|
|
632 | * OF THE POSSIBILITY OF SUCH DAMAGE. |
|
|
633 | * |
|
|
634 | * Alternatively, the contents of this file may be used under the terms of |
|
|
635 | * the GNU General Public License ("GPL") version 2 or any later version, |
|
|
636 | * in which case the provisions of the GPL are applicable instead of |
|
|
637 | * the above. If you wish to allow the use of your version of this file |
|
|
638 | * only under the terms of the GPL and not to allow others to use your |
|
|
639 | * version of this file under the BSD license, indicate your decision |
|
|
640 | * by deleting the provisions above and replace them with the notice |
|
|
641 | * and other provisions required by the GPL. If you do not delete the |
|
|
642 | * provisions above, a recipient may use your version of this file under |
|
|
643 | * either the BSD or the GPL. |
|
|
644 | */ |
|
|
645 | |
|
|
646 | #ifndef ECB_H |
|
|
647 | #define ECB_H |
|
|
648 | |
|
|
649 | /* 16 bits major, 16 bits minor */ |
|
|
650 | #define ECB_VERSION 0x00010008 |
|
|
651 | |
|
|
652 | #include <string.h> /* for memcpy */ |
|
|
653 | |
|
|
654 | #if defined (_WIN32) && !defined (__MINGW32__) |
|
|
655 | typedef signed char int8_t; |
|
|
656 | typedef unsigned char uint8_t; |
|
|
657 | typedef signed char int_fast8_t; |
|
|
658 | typedef unsigned char uint_fast8_t; |
|
|
659 | typedef signed short int16_t; |
|
|
660 | typedef unsigned short uint16_t; |
|
|
661 | typedef signed int int_fast16_t; |
|
|
662 | typedef unsigned int uint_fast16_t; |
|
|
663 | typedef signed int int32_t; |
|
|
664 | typedef unsigned int uint32_t; |
|
|
665 | typedef signed int int_fast32_t; |
|
|
666 | typedef unsigned int uint_fast32_t; |
464 | #if __GNUC__ >= 4 |
667 | #if __GNUC__ |
465 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
668 | typedef signed long long int64_t; |
466 | # define noinline __attribute__ ((noinline)) |
669 | typedef unsigned long long uint64_t; |
|
|
670 | #else /* _MSC_VER || __BORLANDC__ */ |
|
|
671 | typedef signed __int64 int64_t; |
|
|
672 | typedef unsigned __int64 uint64_t; |
|
|
673 | #endif |
|
|
674 | typedef int64_t int_fast64_t; |
|
|
675 | typedef uint64_t uint_fast64_t; |
|
|
676 | #ifdef _WIN64 |
|
|
677 | #define ECB_PTRSIZE 8 |
|
|
678 | typedef uint64_t uintptr_t; |
|
|
679 | typedef int64_t intptr_t; |
|
|
680 | #else |
|
|
681 | #define ECB_PTRSIZE 4 |
|
|
682 | typedef uint32_t uintptr_t; |
|
|
683 | typedef int32_t intptr_t; |
|
|
684 | #endif |
467 | #else |
685 | #else |
468 | # define expect(expr,value) (expr) |
686 | #include <inttypes.h> |
469 | # define noinline |
687 | #if (defined INTPTR_MAX ? INTPTR_MAX : ULONG_MAX) > 0xffffffffU |
470 | # if __STDC_VERSION__ < 199901L && __GNUC__ < 2 |
688 | #define ECB_PTRSIZE 8 |
471 | # define inline |
689 | #else |
|
|
690 | #define ECB_PTRSIZE 4 |
|
|
691 | #endif |
472 | # endif |
692 | #endif |
|
|
693 | |
|
|
694 | #define ECB_GCC_AMD64 (__amd64 || __amd64__ || __x86_64 || __x86_64__) |
|
|
695 | #define ECB_MSVC_AMD64 (_M_AMD64 || _M_X64) |
|
|
696 | |
|
|
697 | #ifndef ECB_OPTIMIZE_SIZE |
|
|
698 | #if __OPTIMIZE_SIZE__ |
|
|
699 | #define ECB_OPTIMIZE_SIZE 1 |
|
|
700 | #else |
|
|
701 | #define ECB_OPTIMIZE_SIZE 0 |
473 | #endif |
702 | #endif |
|
|
703 | #endif |
474 | |
704 | |
475 | #define expect_false(expr) expect ((expr) != 0, 0) |
705 | /* work around x32 idiocy by defining proper macros */ |
476 | #define expect_true(expr) expect ((expr) != 0, 1) |
706 | #if ECB_GCC_AMD64 || ECB_MSVC_AMD64 |
477 | #define inline_size static inline |
707 | #if _ILP32 |
|
|
708 | #define ECB_AMD64_X32 1 |
|
|
709 | #else |
|
|
710 | #define ECB_AMD64 1 |
|
|
711 | #endif |
|
|
712 | #endif |
478 | |
713 | |
479 | #if EV_MINIMAL |
714 | /* many compilers define _GNUC_ to some versions but then only implement |
480 | # define inline_speed static noinline |
715 | * what their idiot authors think are the "more important" extensions, |
|
|
716 | * causing enormous grief in return for some better fake benchmark numbers. |
|
|
717 | * or so. |
|
|
718 | * we try to detect these and simply assume they are not gcc - if they have |
|
|
719 | * an issue with that they should have done it right in the first place. |
|
|
720 | */ |
|
|
721 | #if !defined __GNUC_MINOR__ || defined __INTEL_COMPILER || defined __SUNPRO_C || defined __SUNPRO_CC || defined __llvm__ || defined __clang__ |
|
|
722 | #define ECB_GCC_VERSION(major,minor) 0 |
481 | #else |
723 | #else |
|
|
724 | #define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor))) |
|
|
725 | #endif |
|
|
726 | |
|
|
727 | #define ECB_CLANG_VERSION(major,minor) (__clang_major__ > (major) || (__clang_major__ == (major) && __clang_minor__ >= (minor))) |
|
|
728 | |
|
|
729 | #if __clang__ && defined __has_builtin |
|
|
730 | #define ECB_CLANG_BUILTIN(x) __has_builtin (x) |
|
|
731 | #else |
|
|
732 | #define ECB_CLANG_BUILTIN(x) 0 |
|
|
733 | #endif |
|
|
734 | |
|
|
735 | #if __clang__ && defined __has_extension |
|
|
736 | #define ECB_CLANG_EXTENSION(x) __has_extension (x) |
|
|
737 | #else |
|
|
738 | #define ECB_CLANG_EXTENSION(x) 0 |
|
|
739 | #endif |
|
|
740 | |
|
|
741 | #define ECB_CPP (__cplusplus+0) |
|
|
742 | #define ECB_CPP11 (__cplusplus >= 201103L) |
|
|
743 | #define ECB_CPP14 (__cplusplus >= 201402L) |
|
|
744 | #define ECB_CPP17 (__cplusplus >= 201703L) |
|
|
745 | |
|
|
746 | #if ECB_CPP |
|
|
747 | #define ECB_C 0 |
|
|
748 | #define ECB_STDC_VERSION 0 |
|
|
749 | #else |
|
|
750 | #define ECB_C 1 |
|
|
751 | #define ECB_STDC_VERSION __STDC_VERSION__ |
|
|
752 | #endif |
|
|
753 | |
|
|
754 | #define ECB_C99 (ECB_STDC_VERSION >= 199901L) |
|
|
755 | #define ECB_C11 (ECB_STDC_VERSION >= 201112L) |
|
|
756 | #define ECB_C17 (ECB_STDC_VERSION >= 201710L) |
|
|
757 | |
|
|
758 | #if ECB_CPP |
|
|
759 | #define ECB_EXTERN_C extern "C" |
|
|
760 | #define ECB_EXTERN_C_BEG ECB_EXTERN_C { |
|
|
761 | #define ECB_EXTERN_C_END } |
|
|
762 | #else |
|
|
763 | #define ECB_EXTERN_C extern |
|
|
764 | #define ECB_EXTERN_C_BEG |
|
|
765 | #define ECB_EXTERN_C_END |
|
|
766 | #endif |
|
|
767 | |
|
|
768 | /*****************************************************************************/ |
|
|
769 | |
|
|
770 | /* ECB_NO_THREADS - ecb is not used by multiple threads, ever */ |
|
|
771 | /* ECB_NO_SMP - ecb might be used in multiple threads, but only on a single cpu */ |
|
|
772 | |
|
|
773 | #if ECB_NO_THREADS |
|
|
774 | #define ECB_NO_SMP 1 |
|
|
775 | #endif |
|
|
776 | |
|
|
777 | #if ECB_NO_SMP |
|
|
778 | #define ECB_MEMORY_FENCE do { } while (0) |
|
|
779 | #endif |
|
|
780 | |
|
|
781 | /* http://www-01.ibm.com/support/knowledgecenter/SSGH3R_13.1.0/com.ibm.xlcpp131.aix.doc/compiler_ref/compiler_builtins.html */ |
|
|
782 | #if __xlC__ && ECB_CPP |
|
|
783 | #include <builtins.h> |
|
|
784 | #endif |
|
|
785 | |
|
|
786 | #if 1400 <= _MSC_VER |
|
|
787 | #include <intrin.h> /* fence functions _ReadBarrier, also bit search functions _BitScanReverse */ |
|
|
788 | #endif |
|
|
789 | |
|
|
790 | #ifndef ECB_MEMORY_FENCE |
|
|
791 | #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
|
|
792 | #define ECB_MEMORY_FENCE_RELAXED __asm__ __volatile__ ("" : : : "memory") |
|
|
793 | #if __i386 || __i386__ |
|
|
794 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory") |
|
|
795 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") |
|
|
796 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory") |
|
|
797 | #elif ECB_GCC_AMD64 |
|
|
798 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory") |
|
|
799 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") |
|
|
800 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory") |
|
|
801 | #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ |
|
|
802 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") |
|
|
803 | #elif defined __ARM_ARCH_2__ \ |
|
|
804 | || defined __ARM_ARCH_3__ || defined __ARM_ARCH_3M__ \ |
|
|
805 | || defined __ARM_ARCH_4__ || defined __ARM_ARCH_4T__ \ |
|
|
806 | || defined __ARM_ARCH_5__ || defined __ARM_ARCH_5E__ \ |
|
|
807 | || defined __ARM_ARCH_5T__ || defined __ARM_ARCH_5TE__ \ |
|
|
808 | || defined __ARM_ARCH_5TEJ__ |
|
|
809 | /* should not need any, unless running old code on newer cpu - arm doesn't support that */ |
|
|
810 | #elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \ |
|
|
811 | || defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__ \ |
|
|
812 | || defined __ARM_ARCH_6T2__ |
|
|
813 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory") |
|
|
814 | #elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \ |
|
|
815 | || defined __ARM_ARCH_7R__ || defined __ARM_ARCH_7M__ |
|
|
816 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory") |
|
|
817 | #elif __aarch64__ |
|
|
818 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb ish" : : : "memory") |
|
|
819 | #elif (__sparc || __sparc__) && !(__sparc_v8__ || defined __sparcv8) |
|
|
820 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory") |
|
|
821 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory") |
|
|
822 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore") |
|
|
823 | #elif defined __s390__ || defined __s390x__ |
|
|
824 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory") |
|
|
825 | #elif defined __mips__ |
|
|
826 | /* GNU/Linux emulates sync on mips1 architectures, so we force its use */ |
|
|
827 | /* anybody else who still uses mips1 is supposed to send in their version, with detection code. */ |
|
|
828 | #define ECB_MEMORY_FENCE __asm__ __volatile__ (".set mips2; sync; .set mips0" : : : "memory") |
|
|
829 | #elif defined __alpha__ |
|
|
830 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mb" : : : "memory") |
|
|
831 | #elif defined __hppa__ |
|
|
832 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory") |
|
|
833 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("") |
|
|
834 | #elif defined __ia64__ |
|
|
835 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mf" : : : "memory") |
|
|
836 | #elif defined __m68k__ |
|
|
837 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory") |
|
|
838 | #elif defined __m88k__ |
|
|
839 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("tb1 0,%%r0,128" : : : "memory") |
|
|
840 | #elif defined __sh__ |
|
|
841 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory") |
|
|
842 | #endif |
|
|
843 | #endif |
|
|
844 | #endif |
|
|
845 | |
|
|
846 | #ifndef ECB_MEMORY_FENCE |
|
|
847 | #if ECB_GCC_VERSION(4,7) |
|
|
848 | /* see comment below (stdatomic.h) about the C11 memory model. */ |
|
|
849 | #define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST) |
|
|
850 | #define ECB_MEMORY_FENCE_ACQUIRE __atomic_thread_fence (__ATOMIC_ACQUIRE) |
|
|
851 | #define ECB_MEMORY_FENCE_RELEASE __atomic_thread_fence (__ATOMIC_RELEASE) |
|
|
852 | #define ECB_MEMORY_FENCE_RELAXED __atomic_thread_fence (__ATOMIC_RELAXED) |
|
|
853 | |
|
|
854 | #elif ECB_CLANG_EXTENSION(c_atomic) |
|
|
855 | /* see comment below (stdatomic.h) about the C11 memory model. */ |
|
|
856 | #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST) |
|
|
857 | #define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE) |
|
|
858 | #define ECB_MEMORY_FENCE_RELEASE __c11_atomic_thread_fence (__ATOMIC_RELEASE) |
|
|
859 | #define ECB_MEMORY_FENCE_RELAXED __c11_atomic_thread_fence (__ATOMIC_RELAXED) |
|
|
860 | |
|
|
861 | #elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__ |
|
|
862 | #define ECB_MEMORY_FENCE __sync_synchronize () |
|
|
863 | #elif _MSC_VER >= 1500 /* VC++ 2008 */ |
|
|
864 | /* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */ |
|
|
865 | #pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier) |
|
|
866 | #define ECB_MEMORY_FENCE _ReadWriteBarrier (); MemoryBarrier() |
|
|
867 | #define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier (); MemoryBarrier() /* according to msdn, _ReadBarrier is not a load fence */ |
|
|
868 | #define ECB_MEMORY_FENCE_RELEASE _WriteBarrier (); MemoryBarrier() |
|
|
869 | #elif _MSC_VER >= 1400 /* VC++ 2005 */ |
|
|
870 | #pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier) |
|
|
871 | #define ECB_MEMORY_FENCE _ReadWriteBarrier () |
|
|
872 | #define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */ |
|
|
873 | #define ECB_MEMORY_FENCE_RELEASE _WriteBarrier () |
|
|
874 | #elif defined _WIN32 |
|
|
875 | #include <WinNT.h> |
|
|
876 | #define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */ |
|
|
877 | #elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
|
|
878 | #include <mbarrier.h> |
|
|
879 | #define ECB_MEMORY_FENCE __machine_rw_barrier () |
|
|
880 | #define ECB_MEMORY_FENCE_ACQUIRE __machine_acq_barrier () |
|
|
881 | #define ECB_MEMORY_FENCE_RELEASE __machine_rel_barrier () |
|
|
882 | #define ECB_MEMORY_FENCE_RELAXED __compiler_barrier () |
|
|
883 | #elif __xlC__ |
|
|
884 | #define ECB_MEMORY_FENCE __sync () |
|
|
885 | #endif |
|
|
886 | #endif |
|
|
887 | |
|
|
888 | #ifndef ECB_MEMORY_FENCE |
|
|
889 | #if ECB_C11 && !defined __STDC_NO_ATOMICS__ |
|
|
890 | /* we assume that these memory fences work on all variables/all memory accesses, */ |
|
|
891 | /* not just C11 atomics and atomic accesses */ |
|
|
892 | #include <stdatomic.h> |
|
|
893 | #define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst) |
|
|
894 | #define ECB_MEMORY_FENCE_ACQUIRE atomic_thread_fence (memory_order_acquire) |
|
|
895 | #define ECB_MEMORY_FENCE_RELEASE atomic_thread_fence (memory_order_release) |
|
|
896 | #endif |
|
|
897 | #endif |
|
|
898 | |
|
|
899 | #ifndef ECB_MEMORY_FENCE |
|
|
900 | #if !ECB_AVOID_PTHREADS |
|
|
901 | /* |
|
|
902 | * if you get undefined symbol references to pthread_mutex_lock, |
|
|
903 | * or failure to find pthread.h, then you should implement |
|
|
904 | * the ECB_MEMORY_FENCE operations for your cpu/compiler |
|
|
905 | * OR provide pthread.h and link against the posix thread library |
|
|
906 | * of your system. |
|
|
907 | */ |
|
|
908 | #include <pthread.h> |
|
|
909 | #define ECB_NEEDS_PTHREADS 1 |
|
|
910 | #define ECB_MEMORY_FENCE_NEEDS_PTHREADS 1 |
|
|
911 | |
|
|
912 | static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER; |
|
|
913 | #define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0) |
|
|
914 | #endif |
|
|
915 | #endif |
|
|
916 | |
|
|
917 | #if !defined ECB_MEMORY_FENCE_ACQUIRE && defined ECB_MEMORY_FENCE |
|
|
918 | #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE |
|
|
919 | #endif |
|
|
920 | |
|
|
921 | #if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE |
|
|
922 | #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
|
|
923 | #endif |
|
|
924 | |
|
|
925 | #if !defined ECB_MEMORY_FENCE_RELAXED && defined ECB_MEMORY_FENCE |
|
|
926 | #define ECB_MEMORY_FENCE_RELAXED ECB_MEMORY_FENCE /* very heavy-handed */ |
|
|
927 | #endif |
|
|
928 | |
|
|
929 | /*****************************************************************************/ |
|
|
930 | |
|
|
931 | #if ECB_CPP |
|
|
932 | #define ecb_inline static inline |
|
|
933 | #elif ECB_GCC_VERSION(2,5) |
|
|
934 | #define ecb_inline static __inline__ |
|
|
935 | #elif ECB_C99 |
|
|
936 | #define ecb_inline static inline |
|
|
937 | #else |
|
|
938 | #define ecb_inline static |
|
|
939 | #endif |
|
|
940 | |
|
|
941 | #if ECB_GCC_VERSION(3,3) |
|
|
942 | #define ecb_restrict __restrict__ |
|
|
943 | #elif ECB_C99 |
|
|
944 | #define ecb_restrict restrict |
|
|
945 | #else |
|
|
946 | #define ecb_restrict |
|
|
947 | #endif |
|
|
948 | |
|
|
949 | typedef int ecb_bool; |
|
|
950 | |
|
|
951 | #define ECB_CONCAT_(a, b) a ## b |
|
|
952 | #define ECB_CONCAT(a, b) ECB_CONCAT_(a, b) |
|
|
953 | #define ECB_STRINGIFY_(a) # a |
|
|
954 | #define ECB_STRINGIFY(a) ECB_STRINGIFY_(a) |
|
|
955 | #define ECB_STRINGIFY_EXPR(expr) ((expr), ECB_STRINGIFY_ (expr)) |
|
|
956 | |
|
|
957 | #define ecb_function_ ecb_inline |
|
|
958 | |
|
|
959 | #if ECB_GCC_VERSION(3,1) || ECB_CLANG_VERSION(2,8) |
|
|
960 | #define ecb_attribute(attrlist) __attribute__ (attrlist) |
|
|
961 | #else |
|
|
962 | #define ecb_attribute(attrlist) |
|
|
963 | #endif |
|
|
964 | |
|
|
965 | #if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_constant_p) |
|
|
966 | #define ecb_is_constant(expr) __builtin_constant_p (expr) |
|
|
967 | #else |
|
|
968 | /* possible C11 impl for integral types |
|
|
969 | typedef struct ecb_is_constant_struct ecb_is_constant_struct; |
|
|
970 | #define ecb_is_constant(expr) _Generic ((1 ? (struct ecb_is_constant_struct *)0 : (void *)((expr) - (expr)), ecb_is_constant_struct *: 0, default: 1)) */ |
|
|
971 | |
|
|
972 | #define ecb_is_constant(expr) 0 |
|
|
973 | #endif |
|
|
974 | |
|
|
975 | #if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_expect) |
|
|
976 | #define ecb_expect(expr,value) __builtin_expect ((expr),(value)) |
|
|
977 | #else |
|
|
978 | #define ecb_expect(expr,value) (expr) |
|
|
979 | #endif |
|
|
980 | |
|
|
981 | #if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_prefetch) |
|
|
982 | #define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality) |
|
|
983 | #else |
|
|
984 | #define ecb_prefetch(addr,rw,locality) |
|
|
985 | #endif |
|
|
986 | |
|
|
987 | /* no emulation for ecb_decltype */ |
|
|
988 | #if ECB_CPP11 |
|
|
989 | // older implementations might have problems with decltype(x)::type, work around it |
|
|
990 | template<class T> struct ecb_decltype_t { typedef T type; }; |
|
|
991 | #define ecb_decltype(x) ecb_decltype_t<decltype (x)>::type |
|
|
992 | #elif ECB_GCC_VERSION(3,0) || ECB_CLANG_VERSION(2,8) |
|
|
993 | #define ecb_decltype(x) __typeof__ (x) |
|
|
994 | #endif |
|
|
995 | |
|
|
996 | #if _MSC_VER >= 1300 |
|
|
997 | #define ecb_deprecated __declspec (deprecated) |
|
|
998 | #else |
|
|
999 | #define ecb_deprecated ecb_attribute ((__deprecated__)) |
|
|
1000 | #endif |
|
|
1001 | |
|
|
1002 | #if _MSC_VER >= 1500 |
|
|
1003 | #define ecb_deprecated_message(msg) __declspec (deprecated (msg)) |
|
|
1004 | #elif ECB_GCC_VERSION(4,5) |
|
|
1005 | #define ecb_deprecated_message(msg) ecb_attribute ((__deprecated__ (msg)) |
|
|
1006 | #else |
|
|
1007 | #define ecb_deprecated_message(msg) ecb_deprecated |
|
|
1008 | #endif |
|
|
1009 | |
|
|
1010 | #if _MSC_VER >= 1400 |
|
|
1011 | #define ecb_noinline __declspec (noinline) |
|
|
1012 | #else |
|
|
1013 | #define ecb_noinline ecb_attribute ((__noinline__)) |
|
|
1014 | #endif |
|
|
1015 | |
|
|
1016 | #define ecb_unused ecb_attribute ((__unused__)) |
|
|
1017 | #define ecb_const ecb_attribute ((__const__)) |
|
|
1018 | #define ecb_pure ecb_attribute ((__pure__)) |
|
|
1019 | |
|
|
1020 | #if ECB_C11 || __IBMC_NORETURN |
|
|
1021 | /* http://www-01.ibm.com/support/knowledgecenter/SSGH3R_13.1.0/com.ibm.xlcpp131.aix.doc/language_ref/noreturn.html */ |
|
|
1022 | #define ecb_noreturn _Noreturn |
|
|
1023 | #elif ECB_CPP11 |
|
|
1024 | #define ecb_noreturn [[noreturn]] |
|
|
1025 | #elif _MSC_VER >= 1200 |
|
|
1026 | /* http://msdn.microsoft.com/en-us/library/k6ktzx3s.aspx */ |
|
|
1027 | #define ecb_noreturn __declspec (noreturn) |
|
|
1028 | #else |
|
|
1029 | #define ecb_noreturn ecb_attribute ((__noreturn__)) |
|
|
1030 | #endif |
|
|
1031 | |
|
|
1032 | #if ECB_GCC_VERSION(4,3) |
|
|
1033 | #define ecb_artificial ecb_attribute ((__artificial__)) |
|
|
1034 | #define ecb_hot ecb_attribute ((__hot__)) |
|
|
1035 | #define ecb_cold ecb_attribute ((__cold__)) |
|
|
1036 | #else |
|
|
1037 | #define ecb_artificial |
|
|
1038 | #define ecb_hot |
|
|
1039 | #define ecb_cold |
|
|
1040 | #endif |
|
|
1041 | |
|
|
1042 | /* put around conditional expressions if you are very sure that the */ |
|
|
1043 | /* expression is mostly true or mostly false. note that these return */ |
|
|
1044 | /* booleans, not the expression. */ |
|
|
1045 | #define ecb_expect_false(expr) ecb_expect (!!(expr), 0) |
|
|
1046 | #define ecb_expect_true(expr) ecb_expect (!!(expr), 1) |
|
|
1047 | /* for compatibility to the rest of the world */ |
|
|
1048 | #define ecb_likely(expr) ecb_expect_true (expr) |
|
|
1049 | #define ecb_unlikely(expr) ecb_expect_false (expr) |
|
|
1050 | |
|
|
1051 | /* count trailing zero bits and count # of one bits */ |
|
|
1052 | #if ECB_GCC_VERSION(3,4) \ |
|
|
1053 | || (ECB_CLANG_BUILTIN(__builtin_clz) && ECB_CLANG_BUILTIN(__builtin_clzll) \ |
|
|
1054 | && ECB_CLANG_BUILTIN(__builtin_ctz) && ECB_CLANG_BUILTIN(__builtin_ctzll) \ |
|
|
1055 | && ECB_CLANG_BUILTIN(__builtin_popcount)) |
|
|
1056 | /* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */ |
|
|
1057 | #define ecb_ld32(x) (__builtin_clz (x) ^ 31) |
|
|
1058 | #define ecb_ld64(x) (__builtin_clzll (x) ^ 63) |
|
|
1059 | #define ecb_ctz32(x) __builtin_ctz (x) |
|
|
1060 | #define ecb_ctz64(x) __builtin_ctzll (x) |
|
|
1061 | #define ecb_popcount32(x) __builtin_popcount (x) |
|
|
1062 | /* no popcountll */ |
|
|
1063 | #else |
|
|
1064 | ecb_function_ ecb_const int ecb_ctz32 (uint32_t x); |
|
|
1065 | ecb_function_ ecb_const int |
|
|
1066 | ecb_ctz32 (uint32_t x) |
|
|
1067 | { |
|
|
1068 | #if 1400 <= _MSC_VER && (_M_IX86 || _M_X64 || _M_IA64 || _M_ARM) |
|
|
1069 | unsigned long r; |
|
|
1070 | _BitScanForward (&r, x); |
|
|
1071 | return (int)r; |
|
|
1072 | #else |
|
|
1073 | int r = 0; |
|
|
1074 | |
|
|
1075 | x &= ~x + 1; /* this isolates the lowest bit */ |
|
|
1076 | |
|
|
1077 | #if ECB_branchless_on_i386 |
|
|
1078 | r += !!(x & 0xaaaaaaaa) << 0; |
|
|
1079 | r += !!(x & 0xcccccccc) << 1; |
|
|
1080 | r += !!(x & 0xf0f0f0f0) << 2; |
|
|
1081 | r += !!(x & 0xff00ff00) << 3; |
|
|
1082 | r += !!(x & 0xffff0000) << 4; |
|
|
1083 | #else |
|
|
1084 | if (x & 0xaaaaaaaa) r += 1; |
|
|
1085 | if (x & 0xcccccccc) r += 2; |
|
|
1086 | if (x & 0xf0f0f0f0) r += 4; |
|
|
1087 | if (x & 0xff00ff00) r += 8; |
|
|
1088 | if (x & 0xffff0000) r += 16; |
|
|
1089 | #endif |
|
|
1090 | |
|
|
1091 | return r; |
|
|
1092 | #endif |
|
|
1093 | } |
|
|
1094 | |
|
|
1095 | ecb_function_ ecb_const int ecb_ctz64 (uint64_t x); |
|
|
1096 | ecb_function_ ecb_const int |
|
|
1097 | ecb_ctz64 (uint64_t x) |
|
|
1098 | { |
|
|
1099 | #if 1400 <= _MSC_VER && (_M_X64 || _M_IA64 || _M_ARM) |
|
|
1100 | unsigned long r; |
|
|
1101 | _BitScanForward64 (&r, x); |
|
|
1102 | return (int)r; |
|
|
1103 | #else |
|
|
1104 | int shift = x & 0xffffffff ? 0 : 32; |
|
|
1105 | return ecb_ctz32 (x >> shift) + shift; |
|
|
1106 | #endif |
|
|
1107 | } |
|
|
1108 | |
|
|
1109 | ecb_function_ ecb_const int ecb_popcount32 (uint32_t x); |
|
|
1110 | ecb_function_ ecb_const int |
|
|
1111 | ecb_popcount32 (uint32_t x) |
|
|
1112 | { |
|
|
1113 | x -= (x >> 1) & 0x55555555; |
|
|
1114 | x = ((x >> 2) & 0x33333333) + (x & 0x33333333); |
|
|
1115 | x = ((x >> 4) + x) & 0x0f0f0f0f; |
|
|
1116 | x *= 0x01010101; |
|
|
1117 | |
|
|
1118 | return x >> 24; |
|
|
1119 | } |
|
|
1120 | |
|
|
1121 | ecb_function_ ecb_const int ecb_ld32 (uint32_t x); |
|
|
1122 | ecb_function_ ecb_const int ecb_ld32 (uint32_t x) |
|
|
1123 | { |
|
|
1124 | #if 1400 <= _MSC_VER && (_M_IX86 || _M_X64 || _M_IA64 || _M_ARM) |
|
|
1125 | unsigned long r; |
|
|
1126 | _BitScanReverse (&r, x); |
|
|
1127 | return (int)r; |
|
|
1128 | #else |
|
|
1129 | int r = 0; |
|
|
1130 | |
|
|
1131 | if (x >> 16) { x >>= 16; r += 16; } |
|
|
1132 | if (x >> 8) { x >>= 8; r += 8; } |
|
|
1133 | if (x >> 4) { x >>= 4; r += 4; } |
|
|
1134 | if (x >> 2) { x >>= 2; r += 2; } |
|
|
1135 | if (x >> 1) { r += 1; } |
|
|
1136 | |
|
|
1137 | return r; |
|
|
1138 | #endif |
|
|
1139 | } |
|
|
1140 | |
|
|
1141 | ecb_function_ ecb_const int ecb_ld64 (uint64_t x); |
|
|
1142 | ecb_function_ ecb_const int ecb_ld64 (uint64_t x) |
|
|
1143 | { |
|
|
1144 | #if 1400 <= _MSC_VER && (_M_X64 || _M_IA64 || _M_ARM) |
|
|
1145 | unsigned long r; |
|
|
1146 | _BitScanReverse64 (&r, x); |
|
|
1147 | return (int)r; |
|
|
1148 | #else |
|
|
1149 | int r = 0; |
|
|
1150 | |
|
|
1151 | if (x >> 32) { x >>= 32; r += 32; } |
|
|
1152 | |
|
|
1153 | return r + ecb_ld32 (x); |
|
|
1154 | #endif |
|
|
1155 | } |
|
|
1156 | #endif |
|
|
1157 | |
|
|
1158 | ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x); |
|
|
1159 | ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); } |
|
|
1160 | ecb_function_ ecb_const ecb_bool ecb_is_pot64 (uint64_t x); |
|
|
1161 | ecb_function_ ecb_const ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); } |
|
|
1162 | |
|
|
1163 | ecb_function_ ecb_const uint8_t ecb_bitrev8 (uint8_t x); |
|
|
1164 | ecb_function_ ecb_const uint8_t ecb_bitrev8 (uint8_t x) |
|
|
1165 | { |
|
|
1166 | return ( (x * 0x0802U & 0x22110U) |
|
|
1167 | | (x * 0x8020U & 0x88440U)) * 0x10101U >> 16; |
|
|
1168 | } |
|
|
1169 | |
|
|
1170 | ecb_function_ ecb_const uint16_t ecb_bitrev16 (uint16_t x); |
|
|
1171 | ecb_function_ ecb_const uint16_t ecb_bitrev16 (uint16_t x) |
|
|
1172 | { |
|
|
1173 | x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1); |
|
|
1174 | x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2); |
|
|
1175 | x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4); |
|
|
1176 | x = ( x >> 8 ) | ( x << 8); |
|
|
1177 | |
|
|
1178 | return x; |
|
|
1179 | } |
|
|
1180 | |
|
|
1181 | ecb_function_ ecb_const uint32_t ecb_bitrev32 (uint32_t x); |
|
|
1182 | ecb_function_ ecb_const uint32_t ecb_bitrev32 (uint32_t x) |
|
|
1183 | { |
|
|
1184 | x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1); |
|
|
1185 | x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2); |
|
|
1186 | x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4); |
|
|
1187 | x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8); |
|
|
1188 | x = ( x >> 16 ) | ( x << 16); |
|
|
1189 | |
|
|
1190 | return x; |
|
|
1191 | } |
|
|
1192 | |
|
|
1193 | /* popcount64 is only available on 64 bit cpus as gcc builtin */ |
|
|
1194 | /* so for this version we are lazy */ |
|
|
1195 | ecb_function_ ecb_const int ecb_popcount64 (uint64_t x); |
|
|
1196 | ecb_function_ ecb_const int |
|
|
1197 | ecb_popcount64 (uint64_t x) |
|
|
1198 | { |
|
|
1199 | return ecb_popcount32 (x) + ecb_popcount32 (x >> 32); |
|
|
1200 | } |
|
|
1201 | |
|
|
1202 | ecb_inline ecb_const uint8_t ecb_rotl8 (uint8_t x, unsigned int count); |
|
|
1203 | ecb_inline ecb_const uint8_t ecb_rotr8 (uint8_t x, unsigned int count); |
|
|
1204 | ecb_inline ecb_const uint16_t ecb_rotl16 (uint16_t x, unsigned int count); |
|
|
1205 | ecb_inline ecb_const uint16_t ecb_rotr16 (uint16_t x, unsigned int count); |
|
|
1206 | ecb_inline ecb_const uint32_t ecb_rotl32 (uint32_t x, unsigned int count); |
|
|
1207 | ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count); |
|
|
1208 | ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count); |
|
|
1209 | ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count); |
|
|
1210 | |
|
|
1211 | ecb_inline ecb_const uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); } |
|
|
1212 | ecb_inline ecb_const uint8_t ecb_rotr8 (uint8_t x, unsigned int count) { return (x << ( 8 - count)) | (x >> count); } |
|
|
1213 | ecb_inline ecb_const uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)) | (x << count); } |
|
|
1214 | ecb_inline ecb_const uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)) | (x >> count); } |
|
|
1215 | ecb_inline ecb_const uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); } |
|
|
1216 | ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); } |
|
|
1217 | ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); } |
|
|
1218 | ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); } |
|
|
1219 | |
|
|
1220 | #if ECB_CPP |
|
|
1221 | |
|
|
1222 | inline uint8_t ecb_ctz (uint8_t v) { return ecb_ctz32 (v); } |
|
|
1223 | inline uint16_t ecb_ctz (uint16_t v) { return ecb_ctz32 (v); } |
|
|
1224 | inline uint32_t ecb_ctz (uint32_t v) { return ecb_ctz32 (v); } |
|
|
1225 | inline uint64_t ecb_ctz (uint64_t v) { return ecb_ctz64 (v); } |
|
|
1226 | |
|
|
1227 | inline bool ecb_is_pot (uint8_t v) { return ecb_is_pot32 (v); } |
|
|
1228 | inline bool ecb_is_pot (uint16_t v) { return ecb_is_pot32 (v); } |
|
|
1229 | inline bool ecb_is_pot (uint32_t v) { return ecb_is_pot32 (v); } |
|
|
1230 | inline bool ecb_is_pot (uint64_t v) { return ecb_is_pot64 (v); } |
|
|
1231 | |
|
|
1232 | inline int ecb_ld (uint8_t v) { return ecb_ld32 (v); } |
|
|
1233 | inline int ecb_ld (uint16_t v) { return ecb_ld32 (v); } |
|
|
1234 | inline int ecb_ld (uint32_t v) { return ecb_ld32 (v); } |
|
|
1235 | inline int ecb_ld (uint64_t v) { return ecb_ld64 (v); } |
|
|
1236 | |
|
|
1237 | inline int ecb_popcount (uint8_t v) { return ecb_popcount32 (v); } |
|
|
1238 | inline int ecb_popcount (uint16_t v) { return ecb_popcount32 (v); } |
|
|
1239 | inline int ecb_popcount (uint32_t v) { return ecb_popcount32 (v); } |
|
|
1240 | inline int ecb_popcount (uint64_t v) { return ecb_popcount64 (v); } |
|
|
1241 | |
|
|
1242 | inline uint8_t ecb_bitrev (uint8_t v) { return ecb_bitrev8 (v); } |
|
|
1243 | inline uint16_t ecb_bitrev (uint16_t v) { return ecb_bitrev16 (v); } |
|
|
1244 | inline uint32_t ecb_bitrev (uint32_t v) { return ecb_bitrev32 (v); } |
|
|
1245 | |
|
|
1246 | inline uint8_t ecb_rotl (uint8_t v, unsigned int count) { return ecb_rotl8 (v, count); } |
|
|
1247 | inline uint16_t ecb_rotl (uint16_t v, unsigned int count) { return ecb_rotl16 (v, count); } |
|
|
1248 | inline uint32_t ecb_rotl (uint32_t v, unsigned int count) { return ecb_rotl32 (v, count); } |
|
|
1249 | inline uint64_t ecb_rotl (uint64_t v, unsigned int count) { return ecb_rotl64 (v, count); } |
|
|
1250 | |
|
|
1251 | inline uint8_t ecb_rotr (uint8_t v, unsigned int count) { return ecb_rotr8 (v, count); } |
|
|
1252 | inline uint16_t ecb_rotr (uint16_t v, unsigned int count) { return ecb_rotr16 (v, count); } |
|
|
1253 | inline uint32_t ecb_rotr (uint32_t v, unsigned int count) { return ecb_rotr32 (v, count); } |
|
|
1254 | inline uint64_t ecb_rotr (uint64_t v, unsigned int count) { return ecb_rotr64 (v, count); } |
|
|
1255 | |
|
|
1256 | #endif |
|
|
1257 | |
|
|
1258 | #if ECB_GCC_VERSION(4,3) || (ECB_CLANG_BUILTIN(__builtin_bswap32) && ECB_CLANG_BUILTIN(__builtin_bswap64)) |
|
|
1259 | #if ECB_GCC_VERSION(4,8) || ECB_CLANG_BUILTIN(__builtin_bswap16) |
|
|
1260 | #define ecb_bswap16(x) __builtin_bswap16 (x) |
|
|
1261 | #else |
|
|
1262 | #define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16) |
|
|
1263 | #endif |
|
|
1264 | #define ecb_bswap32(x) __builtin_bswap32 (x) |
|
|
1265 | #define ecb_bswap64(x) __builtin_bswap64 (x) |
|
|
1266 | #elif _MSC_VER |
|
|
1267 | #include <stdlib.h> |
|
|
1268 | #define ecb_bswap16(x) ((uint16_t)_byteswap_ushort ((uint16_t)(x))) |
|
|
1269 | #define ecb_bswap32(x) ((uint32_t)_byteswap_ulong ((uint32_t)(x))) |
|
|
1270 | #define ecb_bswap64(x) ((uint64_t)_byteswap_uint64 ((uint64_t)(x))) |
|
|
1271 | #else |
|
|
1272 | ecb_function_ ecb_const uint16_t ecb_bswap16 (uint16_t x); |
|
|
1273 | ecb_function_ ecb_const uint16_t |
|
|
1274 | ecb_bswap16 (uint16_t x) |
|
|
1275 | { |
|
|
1276 | return ecb_rotl16 (x, 8); |
|
|
1277 | } |
|
|
1278 | |
|
|
1279 | ecb_function_ ecb_const uint32_t ecb_bswap32 (uint32_t x); |
|
|
1280 | ecb_function_ ecb_const uint32_t |
|
|
1281 | ecb_bswap32 (uint32_t x) |
|
|
1282 | { |
|
|
1283 | return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16); |
|
|
1284 | } |
|
|
1285 | |
|
|
1286 | ecb_function_ ecb_const uint64_t ecb_bswap64 (uint64_t x); |
|
|
1287 | ecb_function_ ecb_const uint64_t |
|
|
1288 | ecb_bswap64 (uint64_t x) |
|
|
1289 | { |
|
|
1290 | return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32); |
|
|
1291 | } |
|
|
1292 | #endif |
|
|
1293 | |
|
|
1294 | #if ECB_GCC_VERSION(4,5) || ECB_CLANG_BUILTIN(__builtin_unreachable) |
|
|
1295 | #define ecb_unreachable() __builtin_unreachable () |
|
|
1296 | #else |
|
|
1297 | /* this seems to work fine, but gcc always emits a warning for it :/ */ |
|
|
1298 | ecb_inline ecb_noreturn void ecb_unreachable (void); |
|
|
1299 | ecb_inline ecb_noreturn void ecb_unreachable (void) { } |
|
|
1300 | #endif |
|
|
1301 | |
|
|
1302 | /* try to tell the compiler that some condition is definitely true */ |
|
|
1303 | #define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0 |
|
|
1304 | |
|
|
1305 | ecb_inline ecb_const uint32_t ecb_byteorder_helper (void); |
|
|
1306 | ecb_inline ecb_const uint32_t |
|
|
1307 | ecb_byteorder_helper (void) |
|
|
1308 | { |
|
|
1309 | /* the union code still generates code under pressure in gcc, */ |
|
|
1310 | /* but less than using pointers, and always seems to */ |
|
|
1311 | /* successfully return a constant. */ |
|
|
1312 | /* the reason why we have this horrible preprocessor mess */ |
|
|
1313 | /* is to avoid it in all cases, at least on common architectures */ |
|
|
1314 | /* or when using a recent enough gcc version (>= 4.6) */ |
|
|
1315 | #if (defined __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__) \ |
|
|
1316 | || ((__i386 || __i386__ || _M_IX86 || ECB_GCC_AMD64 || ECB_MSVC_AMD64) && !__VOS__) |
|
|
1317 | #define ECB_LITTLE_ENDIAN 1 |
|
|
1318 | return 0x44332211; |
|
|
1319 | #elif (defined __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__) \ |
|
|
1320 | || ((__AARCH64EB__ || __MIPSEB__ || __ARMEB__) && !__VOS__) |
|
|
1321 | #define ECB_BIG_ENDIAN 1 |
|
|
1322 | return 0x11223344; |
|
|
1323 | #else |
|
|
1324 | union |
|
|
1325 | { |
|
|
1326 | uint8_t c[4]; |
|
|
1327 | uint32_t u; |
|
|
1328 | } u = { 0x11, 0x22, 0x33, 0x44 }; |
|
|
1329 | return u.u; |
|
|
1330 | #endif |
|
|
1331 | } |
|
|
1332 | |
|
|
1333 | ecb_inline ecb_const ecb_bool ecb_big_endian (void); |
|
|
1334 | ecb_inline ecb_const ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11223344; } |
|
|
1335 | ecb_inline ecb_const ecb_bool ecb_little_endian (void); |
|
|
1336 | ecb_inline ecb_const ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44332211; } |
|
|
1337 | |
|
|
1338 | /*****************************************************************************/ |
|
|
1339 | /* unaligned load/store */ |
|
|
1340 | |
|
|
1341 | ecb_inline uint_fast16_t ecb_be_u16_to_host (uint_fast16_t v) { return ecb_little_endian () ? ecb_bswap16 (v) : v; } |
|
|
1342 | ecb_inline uint_fast32_t ecb_be_u32_to_host (uint_fast32_t v) { return ecb_little_endian () ? ecb_bswap32 (v) : v; } |
|
|
1343 | ecb_inline uint_fast64_t ecb_be_u64_to_host (uint_fast64_t v) { return ecb_little_endian () ? ecb_bswap64 (v) : v; } |
|
|
1344 | |
|
|
1345 | ecb_inline uint_fast16_t ecb_le_u16_to_host (uint_fast16_t v) { return ecb_big_endian () ? ecb_bswap16 (v) : v; } |
|
|
1346 | ecb_inline uint_fast32_t ecb_le_u32_to_host (uint_fast32_t v) { return ecb_big_endian () ? ecb_bswap32 (v) : v; } |
|
|
1347 | ecb_inline uint_fast64_t ecb_le_u64_to_host (uint_fast64_t v) { return ecb_big_endian () ? ecb_bswap64 (v) : v; } |
|
|
1348 | |
|
|
1349 | ecb_inline uint_fast16_t ecb_peek_u16_u (const void *ptr) { uint16_t v; memcpy (&v, ptr, sizeof (v)); return v; } |
|
|
1350 | ecb_inline uint_fast32_t ecb_peek_u32_u (const void *ptr) { uint32_t v; memcpy (&v, ptr, sizeof (v)); return v; } |
|
|
1351 | ecb_inline uint_fast64_t ecb_peek_u64_u (const void *ptr) { uint64_t v; memcpy (&v, ptr, sizeof (v)); return v; } |
|
|
1352 | |
|
|
1353 | ecb_inline uint_fast16_t ecb_peek_be_u16_u (const void *ptr) { return ecb_be_u16_to_host (ecb_peek_u16_u (ptr)); } |
|
|
1354 | ecb_inline uint_fast32_t ecb_peek_be_u32_u (const void *ptr) { return ecb_be_u32_to_host (ecb_peek_u32_u (ptr)); } |
|
|
1355 | ecb_inline uint_fast64_t ecb_peek_be_u64_u (const void *ptr) { return ecb_be_u64_to_host (ecb_peek_u64_u (ptr)); } |
|
|
1356 | |
|
|
1357 | ecb_inline uint_fast16_t ecb_peek_le_u16_u (const void *ptr) { return ecb_le_u16_to_host (ecb_peek_u16_u (ptr)); } |
|
|
1358 | ecb_inline uint_fast32_t ecb_peek_le_u32_u (const void *ptr) { return ecb_le_u32_to_host (ecb_peek_u32_u (ptr)); } |
|
|
1359 | ecb_inline uint_fast64_t ecb_peek_le_u64_u (const void *ptr) { return ecb_le_u64_to_host (ecb_peek_u64_u (ptr)); } |
|
|
1360 | |
|
|
1361 | ecb_inline uint_fast16_t ecb_host_to_be_u16 (uint_fast16_t v) { return ecb_little_endian () ? ecb_bswap16 (v) : v; } |
|
|
1362 | ecb_inline uint_fast32_t ecb_host_to_be_u32 (uint_fast32_t v) { return ecb_little_endian () ? ecb_bswap32 (v) : v; } |
|
|
1363 | ecb_inline uint_fast64_t ecb_host_to_be_u64 (uint_fast64_t v) { return ecb_little_endian () ? ecb_bswap64 (v) : v; } |
|
|
1364 | |
|
|
1365 | ecb_inline uint_fast16_t ecb_host_to_le_u16 (uint_fast16_t v) { return ecb_big_endian () ? ecb_bswap16 (v) : v; } |
|
|
1366 | ecb_inline uint_fast32_t ecb_host_to_le_u32 (uint_fast32_t v) { return ecb_big_endian () ? ecb_bswap32 (v) : v; } |
|
|
1367 | ecb_inline uint_fast64_t ecb_host_to_le_u64 (uint_fast64_t v) { return ecb_big_endian () ? ecb_bswap64 (v) : v; } |
|
|
1368 | |
|
|
1369 | ecb_inline void ecb_poke_u16_u (void *ptr, uint16_t v) { memcpy (ptr, &v, sizeof (v)); } |
|
|
1370 | ecb_inline void ecb_poke_u32_u (void *ptr, uint32_t v) { memcpy (ptr, &v, sizeof (v)); } |
|
|
1371 | ecb_inline void ecb_poke_u64_u (void *ptr, uint64_t v) { memcpy (ptr, &v, sizeof (v)); } |
|
|
1372 | |
|
|
1373 | ecb_inline void ecb_poke_be_u16_u (void *ptr, uint_fast16_t v) { ecb_poke_u16_u (ptr, ecb_host_to_be_u16 (v)); } |
|
|
1374 | ecb_inline void ecb_poke_be_u32_u (void *ptr, uint_fast32_t v) { ecb_poke_u32_u (ptr, ecb_host_to_be_u32 (v)); } |
|
|
1375 | ecb_inline void ecb_poke_be_u64_u (void *ptr, uint_fast64_t v) { ecb_poke_u64_u (ptr, ecb_host_to_be_u64 (v)); } |
|
|
1376 | |
|
|
1377 | ecb_inline void ecb_poke_le_u16_u (void *ptr, uint_fast16_t v) { ecb_poke_u16_u (ptr, ecb_host_to_le_u16 (v)); } |
|
|
1378 | ecb_inline void ecb_poke_le_u32_u (void *ptr, uint_fast32_t v) { ecb_poke_u32_u (ptr, ecb_host_to_le_u32 (v)); } |
|
|
1379 | ecb_inline void ecb_poke_le_u64_u (void *ptr, uint_fast64_t v) { ecb_poke_u64_u (ptr, ecb_host_to_le_u64 (v)); } |
|
|
1380 | |
|
|
1381 | #if ECB_CPP |
|
|
1382 | |
|
|
1383 | inline uint8_t ecb_bswap (uint8_t v) { return v; } |
|
|
1384 | inline uint16_t ecb_bswap (uint16_t v) { return ecb_bswap16 (v); } |
|
|
1385 | inline uint32_t ecb_bswap (uint32_t v) { return ecb_bswap32 (v); } |
|
|
1386 | inline uint64_t ecb_bswap (uint64_t v) { return ecb_bswap64 (v); } |
|
|
1387 | |
|
|
1388 | template<typename T> inline T ecb_be_to_host (T v) { return ecb_little_endian () ? ecb_bswap (v) : v; } |
|
|
1389 | template<typename T> inline T ecb_le_to_host (T v) { return ecb_big_endian () ? ecb_bswap (v) : v; } |
|
|
1390 | template<typename T> inline T ecb_peek (const void *ptr) { return *(const T *)ptr; } |
|
|
1391 | template<typename T> inline T ecb_peek_be (const void *ptr) { return ecb_be_to_host (ecb_peek <T> (ptr)); } |
|
|
1392 | template<typename T> inline T ecb_peek_le (const void *ptr) { return ecb_le_to_host (ecb_peek <T> (ptr)); } |
|
|
1393 | template<typename T> inline T ecb_peek_u (const void *ptr) { T v; memcpy (&v, ptr, sizeof (v)); return v; } |
|
|
1394 | template<typename T> inline T ecb_peek_be_u (const void *ptr) { return ecb_be_to_host (ecb_peek_u<T> (ptr)); } |
|
|
1395 | template<typename T> inline T ecb_peek_le_u (const void *ptr) { return ecb_le_to_host (ecb_peek_u<T> (ptr)); } |
|
|
1396 | |
|
|
1397 | template<typename T> inline T ecb_host_to_be (T v) { return ecb_little_endian () ? ecb_bswap (v) : v; } |
|
|
1398 | template<typename T> inline T ecb_host_to_le (T v) { return ecb_big_endian () ? ecb_bswap (v) : v; } |
|
|
1399 | template<typename T> inline void ecb_poke (void *ptr, T v) { *(T *)ptr = v; } |
|
|
1400 | template<typename T> inline void ecb_poke_be (void *ptr, T v) { return ecb_poke <T> (ptr, ecb_host_to_be (v)); } |
|
|
1401 | template<typename T> inline void ecb_poke_le (void *ptr, T v) { return ecb_poke <T> (ptr, ecb_host_to_le (v)); } |
|
|
1402 | template<typename T> inline void ecb_poke_u (void *ptr, T v) { memcpy (ptr, &v, sizeof (v)); } |
|
|
1403 | template<typename T> inline void ecb_poke_be_u (void *ptr, T v) { return ecb_poke_u<T> (ptr, ecb_host_to_be (v)); } |
|
|
1404 | template<typename T> inline void ecb_poke_le_u (void *ptr, T v) { return ecb_poke_u<T> (ptr, ecb_host_to_le (v)); } |
|
|
1405 | |
|
|
1406 | #endif |
|
|
1407 | |
|
|
1408 | /*****************************************************************************/ |
|
|
1409 | |
|
|
1410 | #if ECB_GCC_VERSION(3,0) || ECB_C99 |
|
|
1411 | #define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0)) |
|
|
1412 | #else |
|
|
1413 | #define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n))) |
|
|
1414 | #endif |
|
|
1415 | |
|
|
1416 | #if ECB_CPP |
|
|
1417 | template<typename T> |
|
|
1418 | static inline T ecb_div_rd (T val, T div) |
|
|
1419 | { |
|
|
1420 | return val < 0 ? - ((-val + div - 1) / div) : (val ) / div; |
|
|
1421 | } |
|
|
1422 | template<typename T> |
|
|
1423 | static inline T ecb_div_ru (T val, T div) |
|
|
1424 | { |
|
|
1425 | return val < 0 ? - ((-val ) / div) : (val + div - 1) / div; |
|
|
1426 | } |
|
|
1427 | #else |
|
|
1428 | #define ecb_div_rd(val,div) ((val) < 0 ? - ((-(val) + (div) - 1) / (div)) : ((val) ) / (div)) |
|
|
1429 | #define ecb_div_ru(val,div) ((val) < 0 ? - ((-(val) ) / (div)) : ((val) + (div) - 1) / (div)) |
|
|
1430 | #endif |
|
|
1431 | |
|
|
1432 | #if ecb_cplusplus_does_not_suck |
|
|
1433 | /* does not work for local types (http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2657.htm) */ |
|
|
1434 | template<typename T, int N> |
|
|
1435 | static inline int ecb_array_length (const T (&arr)[N]) |
|
|
1436 | { |
|
|
1437 | return N; |
|
|
1438 | } |
|
|
1439 | #else |
|
|
1440 | #define ecb_array_length(name) (sizeof (name) / sizeof (name [0])) |
|
|
1441 | #endif |
|
|
1442 | |
|
|
1443 | /*****************************************************************************/ |
|
|
1444 | |
|
|
1445 | ecb_function_ ecb_const uint32_t ecb_binary16_to_binary32 (uint32_t x); |
|
|
1446 | ecb_function_ ecb_const uint32_t |
|
|
1447 | ecb_binary16_to_binary32 (uint32_t x) |
|
|
1448 | { |
|
|
1449 | unsigned int s = (x & 0x8000) << (31 - 15); |
|
|
1450 | int e = (x >> 10) & 0x001f; |
|
|
1451 | unsigned int m = x & 0x03ff; |
|
|
1452 | |
|
|
1453 | if (ecb_expect_false (e == 31)) |
|
|
1454 | /* infinity or NaN */ |
|
|
1455 | e = 255 - (127 - 15); |
|
|
1456 | else if (ecb_expect_false (!e)) |
|
|
1457 | { |
|
|
1458 | if (ecb_expect_true (!m)) |
|
|
1459 | /* zero, handled by code below by forcing e to 0 */ |
|
|
1460 | e = 0 - (127 - 15); |
|
|
1461 | else |
|
|
1462 | { |
|
|
1463 | /* subnormal, renormalise */ |
|
|
1464 | unsigned int s = 10 - ecb_ld32 (m); |
|
|
1465 | |
|
|
1466 | m = (m << s) & 0x3ff; /* mask implicit bit */ |
|
|
1467 | e -= s - 1; |
|
|
1468 | } |
|
|
1469 | } |
|
|
1470 | |
|
|
1471 | /* e and m now are normalised, or zero, (or inf or nan) */ |
|
|
1472 | e += 127 - 15; |
|
|
1473 | |
|
|
1474 | return s | (e << 23) | (m << (23 - 10)); |
|
|
1475 | } |
|
|
1476 | |
|
|
1477 | ecb_function_ ecb_const uint16_t ecb_binary32_to_binary16 (uint32_t x); |
|
|
1478 | ecb_function_ ecb_const uint16_t |
|
|
1479 | ecb_binary32_to_binary16 (uint32_t x) |
|
|
1480 | { |
|
|
1481 | unsigned int s = (x >> 16) & 0x00008000; /* sign bit, the easy part */ |
|
|
1482 | unsigned int e = ((x >> 23) & 0x000000ff) - (127 - 15); /* the desired exponent */ |
|
|
1483 | unsigned int m = x & 0x007fffff; |
|
|
1484 | |
|
|
1485 | x &= 0x7fffffff; |
|
|
1486 | |
|
|
1487 | /* if it's within range of binary16 normals, use fast path */ |
|
|
1488 | if (ecb_expect_true (0x38800000 <= x && x <= 0x477fefff)) |
|
|
1489 | { |
|
|
1490 | /* mantissa round-to-even */ |
|
|
1491 | m += 0x00000fff + ((m >> (23 - 10)) & 1); |
|
|
1492 | |
|
|
1493 | /* handle overflow */ |
|
|
1494 | if (ecb_expect_false (m >= 0x00800000)) |
|
|
1495 | { |
|
|
1496 | m >>= 1; |
|
|
1497 | e += 1; |
|
|
1498 | } |
|
|
1499 | |
|
|
1500 | return s | (e << 10) | (m >> (23 - 10)); |
|
|
1501 | } |
|
|
1502 | |
|
|
1503 | /* handle large numbers and infinity */ |
|
|
1504 | if (ecb_expect_true (0x477fefff < x && x <= 0x7f800000)) |
|
|
1505 | return s | 0x7c00; |
|
|
1506 | |
|
|
1507 | /* handle zero, subnormals and small numbers */ |
|
|
1508 | if (ecb_expect_true (x < 0x38800000)) |
|
|
1509 | { |
|
|
1510 | /* zero */ |
|
|
1511 | if (ecb_expect_true (!x)) |
|
|
1512 | return s; |
|
|
1513 | |
|
|
1514 | /* handle subnormals */ |
|
|
1515 | |
|
|
1516 | /* too small, will be zero */ |
|
|
1517 | if (e < (14 - 24)) /* might not be sharp, but is good enough */ |
|
|
1518 | return s; |
|
|
1519 | |
|
|
1520 | m |= 0x00800000; /* make implicit bit explicit */ |
|
|
1521 | |
|
|
1522 | /* very tricky - we need to round to the nearest e (+10) bit value */ |
|
|
1523 | { |
|
|
1524 | unsigned int bits = 14 - e; |
|
|
1525 | unsigned int half = (1 << (bits - 1)) - 1; |
|
|
1526 | unsigned int even = (m >> bits) & 1; |
|
|
1527 | |
|
|
1528 | /* if this overflows, we will end up with a normalised number */ |
|
|
1529 | m = (m + half + even) >> bits; |
|
|
1530 | } |
|
|
1531 | |
|
|
1532 | return s | m; |
|
|
1533 | } |
|
|
1534 | |
|
|
1535 | /* handle NaNs, preserve leftmost nan bits, but make sure we don't turn them into infinities */ |
|
|
1536 | m >>= 13; |
|
|
1537 | |
|
|
1538 | return s | 0x7c00 | m | !m; |
|
|
1539 | } |
|
|
1540 | |
|
|
1541 | /*******************************************************************************/ |
|
|
1542 | /* floating point stuff, can be disabled by defining ECB_NO_LIBM */ |
|
|
1543 | |
|
|
1544 | /* basically, everything uses "ieee pure-endian" floating point numbers */ |
|
|
1545 | /* the only noteworthy exception is ancient armle, which uses order 43218765 */ |
|
|
1546 | #if 0 \ |
|
|
1547 | || __i386 || __i386__ \ |
|
|
1548 | || ECB_GCC_AMD64 \ |
|
|
1549 | || __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \ |
|
|
1550 | || defined __s390__ || defined __s390x__ \ |
|
|
1551 | || defined __mips__ \ |
|
|
1552 | || defined __alpha__ \ |
|
|
1553 | || defined __hppa__ \ |
|
|
1554 | || defined __ia64__ \ |
|
|
1555 | || defined __m68k__ \ |
|
|
1556 | || defined __m88k__ \ |
|
|
1557 | || defined __sh__ \ |
|
|
1558 | || defined _M_IX86 || defined ECB_MSVC_AMD64 || defined _M_IA64 \ |
|
|
1559 | || (defined __arm__ && (defined __ARM_EABI__ || defined __EABI__ || defined __VFP_FP__ || defined _WIN32_WCE || defined __ANDROID__)) \ |
|
|
1560 | || defined __aarch64__ |
|
|
1561 | #define ECB_STDFP 1 |
|
|
1562 | #else |
|
|
1563 | #define ECB_STDFP 0 |
|
|
1564 | #endif |
|
|
1565 | |
|
|
1566 | #ifndef ECB_NO_LIBM |
|
|
1567 | |
|
|
1568 | #include <math.h> /* for frexp*, ldexp*, INFINITY, NAN */ |
|
|
1569 | |
|
|
1570 | /* only the oldest of old doesn't have this one. solaris. */ |
|
|
1571 | #ifdef INFINITY |
|
|
1572 | #define ECB_INFINITY INFINITY |
|
|
1573 | #else |
|
|
1574 | #define ECB_INFINITY HUGE_VAL |
|
|
1575 | #endif |
|
|
1576 | |
|
|
1577 | #ifdef NAN |
|
|
1578 | #define ECB_NAN NAN |
|
|
1579 | #else |
|
|
1580 | #define ECB_NAN ECB_INFINITY |
|
|
1581 | #endif |
|
|
1582 | |
|
|
1583 | #if ECB_C99 || _XOPEN_VERSION >= 600 || _POSIX_VERSION >= 200112L |
|
|
1584 | #define ecb_ldexpf(x,e) ldexpf ((x), (e)) |
|
|
1585 | #define ecb_frexpf(x,e) frexpf ((x), (e)) |
|
|
1586 | #else |
|
|
1587 | #define ecb_ldexpf(x,e) (float) ldexp ((double) (x), (e)) |
|
|
1588 | #define ecb_frexpf(x,e) (float) frexp ((double) (x), (e)) |
|
|
1589 | #endif |
|
|
1590 | |
|
|
1591 | /* convert a float to ieee single/binary32 */ |
|
|
1592 | ecb_function_ ecb_const uint32_t ecb_float_to_binary32 (float x); |
|
|
1593 | ecb_function_ ecb_const uint32_t |
|
|
1594 | ecb_float_to_binary32 (float x) |
|
|
1595 | { |
|
|
1596 | uint32_t r; |
|
|
1597 | |
|
|
1598 | #if ECB_STDFP |
|
|
1599 | memcpy (&r, &x, 4); |
|
|
1600 | #else |
|
|
1601 | /* slow emulation, works for anything but -0 */ |
|
|
1602 | uint32_t m; |
|
|
1603 | int e; |
|
|
1604 | |
|
|
1605 | if (x == 0e0f ) return 0x00000000U; |
|
|
1606 | if (x > +3.40282346638528860e+38f) return 0x7f800000U; |
|
|
1607 | if (x < -3.40282346638528860e+38f) return 0xff800000U; |
|
|
1608 | if (x != x ) return 0x7fbfffffU; |
|
|
1609 | |
|
|
1610 | m = ecb_frexpf (x, &e) * 0x1000000U; |
|
|
1611 | |
|
|
1612 | r = m & 0x80000000U; |
|
|
1613 | |
|
|
1614 | if (r) |
|
|
1615 | m = -m; |
|
|
1616 | |
|
|
1617 | if (e <= -126) |
|
|
1618 | { |
|
|
1619 | m &= 0xffffffU; |
|
|
1620 | m >>= (-125 - e); |
|
|
1621 | e = -126; |
|
|
1622 | } |
|
|
1623 | |
|
|
1624 | r |= (e + 126) << 23; |
|
|
1625 | r |= m & 0x7fffffU; |
|
|
1626 | #endif |
|
|
1627 | |
|
|
1628 | return r; |
|
|
1629 | } |
|
|
1630 | |
|
|
1631 | /* converts an ieee single/binary32 to a float */ |
|
|
1632 | ecb_function_ ecb_const float ecb_binary32_to_float (uint32_t x); |
|
|
1633 | ecb_function_ ecb_const float |
|
|
1634 | ecb_binary32_to_float (uint32_t x) |
|
|
1635 | { |
|
|
1636 | float r; |
|
|
1637 | |
|
|
1638 | #if ECB_STDFP |
|
|
1639 | memcpy (&r, &x, 4); |
|
|
1640 | #else |
|
|
1641 | /* emulation, only works for normals and subnormals and +0 */ |
|
|
1642 | int neg = x >> 31; |
|
|
1643 | int e = (x >> 23) & 0xffU; |
|
|
1644 | |
|
|
1645 | x &= 0x7fffffU; |
|
|
1646 | |
|
|
1647 | if (e) |
|
|
1648 | x |= 0x800000U; |
|
|
1649 | else |
|
|
1650 | e = 1; |
|
|
1651 | |
|
|
1652 | /* we distrust ldexpf a bit and do the 2**-24 scaling by an extra multiply */ |
|
|
1653 | r = ecb_ldexpf (x * (0.5f / 0x800000U), e - 126); |
|
|
1654 | |
|
|
1655 | r = neg ? -r : r; |
|
|
1656 | #endif |
|
|
1657 | |
|
|
1658 | return r; |
|
|
1659 | } |
|
|
1660 | |
|
|
1661 | /* convert a double to ieee double/binary64 */ |
|
|
1662 | ecb_function_ ecb_const uint64_t ecb_double_to_binary64 (double x); |
|
|
1663 | ecb_function_ ecb_const uint64_t |
|
|
1664 | ecb_double_to_binary64 (double x) |
|
|
1665 | { |
|
|
1666 | uint64_t r; |
|
|
1667 | |
|
|
1668 | #if ECB_STDFP |
|
|
1669 | memcpy (&r, &x, 8); |
|
|
1670 | #else |
|
|
1671 | /* slow emulation, works for anything but -0 */ |
|
|
1672 | uint64_t m; |
|
|
1673 | int e; |
|
|
1674 | |
|
|
1675 | if (x == 0e0 ) return 0x0000000000000000U; |
|
|
1676 | if (x > +1.79769313486231470e+308) return 0x7ff0000000000000U; |
|
|
1677 | if (x < -1.79769313486231470e+308) return 0xfff0000000000000U; |
|
|
1678 | if (x != x ) return 0X7ff7ffffffffffffU; |
|
|
1679 | |
|
|
1680 | m = frexp (x, &e) * 0x20000000000000U; |
|
|
1681 | |
|
|
1682 | r = m & 0x8000000000000000;; |
|
|
1683 | |
|
|
1684 | if (r) |
|
|
1685 | m = -m; |
|
|
1686 | |
|
|
1687 | if (e <= -1022) |
|
|
1688 | { |
|
|
1689 | m &= 0x1fffffffffffffU; |
|
|
1690 | m >>= (-1021 - e); |
|
|
1691 | e = -1022; |
|
|
1692 | } |
|
|
1693 | |
|
|
1694 | r |= ((uint64_t)(e + 1022)) << 52; |
|
|
1695 | r |= m & 0xfffffffffffffU; |
|
|
1696 | #endif |
|
|
1697 | |
|
|
1698 | return r; |
|
|
1699 | } |
|
|
1700 | |
|
|
1701 | /* converts an ieee double/binary64 to a double */ |
|
|
1702 | ecb_function_ ecb_const double ecb_binary64_to_double (uint64_t x); |
|
|
1703 | ecb_function_ ecb_const double |
|
|
1704 | ecb_binary64_to_double (uint64_t x) |
|
|
1705 | { |
|
|
1706 | double r; |
|
|
1707 | |
|
|
1708 | #if ECB_STDFP |
|
|
1709 | memcpy (&r, &x, 8); |
|
|
1710 | #else |
|
|
1711 | /* emulation, only works for normals and subnormals and +0 */ |
|
|
1712 | int neg = x >> 63; |
|
|
1713 | int e = (x >> 52) & 0x7ffU; |
|
|
1714 | |
|
|
1715 | x &= 0xfffffffffffffU; |
|
|
1716 | |
|
|
1717 | if (e) |
|
|
1718 | x |= 0x10000000000000U; |
|
|
1719 | else |
|
|
1720 | e = 1; |
|
|
1721 | |
|
|
1722 | /* we distrust ldexp a bit and do the 2**-53 scaling by an extra multiply */ |
|
|
1723 | r = ldexp (x * (0.5 / 0x10000000000000U), e - 1022); |
|
|
1724 | |
|
|
1725 | r = neg ? -r : r; |
|
|
1726 | #endif |
|
|
1727 | |
|
|
1728 | return r; |
|
|
1729 | } |
|
|
1730 | |
|
|
1731 | /* convert a float to ieee half/binary16 */ |
|
|
1732 | ecb_function_ ecb_const uint16_t ecb_float_to_binary16 (float x); |
|
|
1733 | ecb_function_ ecb_const uint16_t |
|
|
1734 | ecb_float_to_binary16 (float x) |
|
|
1735 | { |
|
|
1736 | return ecb_binary32_to_binary16 (ecb_float_to_binary32 (x)); |
|
|
1737 | } |
|
|
1738 | |
|
|
1739 | /* convert an ieee half/binary16 to float */ |
|
|
1740 | ecb_function_ ecb_const float ecb_binary16_to_float (uint16_t x); |
|
|
1741 | ecb_function_ ecb_const float |
|
|
1742 | ecb_binary16_to_float (uint16_t x) |
|
|
1743 | { |
|
|
1744 | return ecb_binary32_to_float (ecb_binary16_to_binary32 (x)); |
|
|
1745 | } |
|
|
1746 | |
|
|
1747 | #endif |
|
|
1748 | |
|
|
1749 | #endif |
|
|
1750 | |
|
|
1751 | /* ECB.H END */ |
|
|
1752 | |
|
|
1753 | #if ECB_MEMORY_FENCE_NEEDS_PTHREADS |
|
|
1754 | /* if your architecture doesn't need memory fences, e.g. because it is |
|
|
1755 | * single-cpu/core, or if you use libev in a project that doesn't use libev |
|
|
1756 | * from multiple threads, then you can define ECB_NO_THREADS when compiling |
|
|
1757 | * libev, in which cases the memory fences become nops. |
|
|
1758 | * alternatively, you can remove this #error and link against libpthread, |
|
|
1759 | * which will then provide the memory fences. |
|
|
1760 | */ |
|
|
1761 | # error "memory fences not defined for your architecture, please report" |
|
|
1762 | #endif |
|
|
1763 | |
|
|
1764 | #ifndef ECB_MEMORY_FENCE |
|
|
1765 | # define ECB_MEMORY_FENCE do { } while (0) |
|
|
1766 | # define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE |
|
|
1767 | # define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
|
|
1768 | #endif |
|
|
1769 | |
|
|
1770 | #define inline_size ecb_inline |
|
|
1771 | |
|
|
1772 | #if EV_FEATURE_CODE |
482 | # define inline_speed static inline |
1773 | # define inline_speed ecb_inline |
|
|
1774 | #else |
|
|
1775 | # define inline_speed ecb_noinline static |
483 | #endif |
1776 | #endif |
|
|
1777 | |
|
|
1778 | /*****************************************************************************/ |
|
|
1779 | /* raw syscall wrappers */ |
|
|
1780 | |
|
|
1781 | #if EV_NEED_SYSCALL |
|
|
1782 | |
|
|
1783 | #include <sys/syscall.h> |
|
|
1784 | |
|
|
1785 | /* |
|
|
1786 | * define some syscall wrappers for common architectures |
|
|
1787 | * this is mostly for nice looks during debugging, not performance. |
|
|
1788 | * our syscalls return < 0, not == -1, on error. which is good |
|
|
1789 | * enough for linux aio. |
|
|
1790 | * TODO: arm is also common nowadays, maybe even mips and x86 |
|
|
1791 | * TODO: after implementing this, it suddenly looks like overkill, but its hard to remove... |
|
|
1792 | */ |
|
|
1793 | #if __GNUC__ && __linux && ECB_AMD64 && !EV_FEATURE_CODE |
|
|
1794 | /* the costly errno access probably kills this for size optimisation */ |
|
|
1795 | |
|
|
1796 | #define ev_syscall(nr,narg,arg1,arg2,arg3,arg4,arg5,arg6) \ |
|
|
1797 | ({ \ |
|
|
1798 | long res; \ |
|
|
1799 | register unsigned long r6 __asm__ ("r9" ); \ |
|
|
1800 | register unsigned long r5 __asm__ ("r8" ); \ |
|
|
1801 | register unsigned long r4 __asm__ ("r10"); \ |
|
|
1802 | register unsigned long r3 __asm__ ("rdx"); \ |
|
|
1803 | register unsigned long r2 __asm__ ("rsi"); \ |
|
|
1804 | register unsigned long r1 __asm__ ("rdi"); \ |
|
|
1805 | if (narg >= 6) r6 = (unsigned long)(arg6); \ |
|
|
1806 | if (narg >= 5) r5 = (unsigned long)(arg5); \ |
|
|
1807 | if (narg >= 4) r4 = (unsigned long)(arg4); \ |
|
|
1808 | if (narg >= 3) r3 = (unsigned long)(arg3); \ |
|
|
1809 | if (narg >= 2) r2 = (unsigned long)(arg2); \ |
|
|
1810 | if (narg >= 1) r1 = (unsigned long)(arg1); \ |
|
|
1811 | __asm__ __volatile__ ( \ |
|
|
1812 | "syscall\n\t" \ |
|
|
1813 | : "=a" (res) \ |
|
|
1814 | : "0" (nr), "r" (r1), "r" (r2), "r" (r3), "r" (r4), "r" (r5) \ |
|
|
1815 | : "cc", "r11", "cx", "memory"); \ |
|
|
1816 | errno = -res; \ |
|
|
1817 | res; \ |
|
|
1818 | }) |
|
|
1819 | |
|
|
1820 | #endif |
|
|
1821 | |
|
|
1822 | #ifdef ev_syscall |
|
|
1823 | #define ev_syscall0(nr) ev_syscall (nr, 0, 0, 0, 0, 0, 0, 0) |
|
|
1824 | #define ev_syscall1(nr,arg1) ev_syscall (nr, 1, arg1, 0, 0, 0, 0, 0) |
|
|
1825 | #define ev_syscall2(nr,arg1,arg2) ev_syscall (nr, 2, arg1, arg2, 0, 0, 0, 0) |
|
|
1826 | #define ev_syscall3(nr,arg1,arg2,arg3) ev_syscall (nr, 3, arg1, arg2, arg3, 0, 0, 0) |
|
|
1827 | #define ev_syscall4(nr,arg1,arg2,arg3,arg4) ev_syscall (nr, 3, arg1, arg2, arg3, arg4, 0, 0) |
|
|
1828 | #define ev_syscall5(nr,arg1,arg2,arg3,arg4,arg5) ev_syscall (nr, 5, arg1, arg2, arg3, arg4, arg5, 0) |
|
|
1829 | #define ev_syscall6(nr,arg1,arg2,arg3,arg4,arg5,arg6) ev_syscall (nr, 6, arg1, arg2, arg3, arg4, arg5,arg6) |
|
|
1830 | #else |
|
|
1831 | #define ev_syscall0(nr) syscall (nr) |
|
|
1832 | #define ev_syscall1(nr,arg1) syscall (nr, arg1) |
|
|
1833 | #define ev_syscall2(nr,arg1,arg2) syscall (nr, arg1, arg2) |
|
|
1834 | #define ev_syscall3(nr,arg1,arg2,arg3) syscall (nr, arg1, arg2, arg3) |
|
|
1835 | #define ev_syscall4(nr,arg1,arg2,arg3,arg4) syscall (nr, arg1, arg2, arg3, arg4) |
|
|
1836 | #define ev_syscall5(nr,arg1,arg2,arg3,arg4,arg5) syscall (nr, arg1, arg2, arg3, arg4, arg5) |
|
|
1837 | #define ev_syscall6(nr,arg1,arg2,arg3,arg4,arg5,arg6) syscall (nr, arg1, arg2, arg3, arg4, arg5,arg6) |
|
|
1838 | #endif |
|
|
1839 | |
|
|
1840 | #endif |
|
|
1841 | |
|
|
1842 | /*****************************************************************************/ |
484 | |
1843 | |
485 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
1844 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
486 | |
1845 | |
487 | #if EV_MINPRI == EV_MAXPRI |
1846 | #if EV_MINPRI == EV_MAXPRI |
488 | # define ABSPRI(w) (((W)w), 0) |
1847 | # define ABSPRI(w) (((W)w), 0) |
489 | #else |
1848 | #else |
490 | # define ABSPRI(w) (((W)w)->priority - EV_MINPRI) |
1849 | # define ABSPRI(w) (((W)w)->priority - EV_MINPRI) |
491 | #endif |
1850 | #endif |
492 | |
1851 | |
493 | #define EMPTY /* required for microsofts broken pseudo-c compiler */ |
1852 | #define EMPTY /* required for microsofts broken pseudo-c compiler */ |
494 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
|
|
495 | |
1853 | |
496 | typedef ev_watcher *W; |
1854 | typedef ev_watcher *W; |
497 | typedef ev_watcher_list *WL; |
1855 | typedef ev_watcher_list *WL; |
498 | typedef ev_watcher_time *WT; |
1856 | typedef ev_watcher_time *WT; |
499 | |
1857 | |
500 | #define ev_active(w) ((W)(w))->active |
1858 | #define ev_active(w) ((W)(w))->active |
501 | #define ev_at(w) ((WT)(w))->at |
1859 | #define ev_at(w) ((WT)(w))->at |
502 | |
1860 | |
503 | #if EV_USE_REALTIME |
1861 | #if EV_USE_REALTIME |
504 | /* sig_atomic_t is used to avoid per-thread variables or locking but still */ |
1862 | /* sig_atomic_t is used to avoid per-thread variables or locking but still */ |
505 | /* giving it a reasonably high chance of working on typical architetcures */ |
1863 | /* giving it a reasonably high chance of working on typical architectures */ |
506 | static EV_ATOMIC_T have_realtime; /* did clock_gettime (CLOCK_REALTIME) work? */ |
1864 | static EV_ATOMIC_T have_realtime; /* did clock_gettime (CLOCK_REALTIME) work? */ |
507 | #endif |
1865 | #endif |
508 | |
1866 | |
509 | #if EV_USE_MONOTONIC |
1867 | #if EV_USE_MONOTONIC |
510 | static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
1868 | static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
… | |
… | |
524 | # include "ev_win32.c" |
1882 | # include "ev_win32.c" |
525 | #endif |
1883 | #endif |
526 | |
1884 | |
527 | /*****************************************************************************/ |
1885 | /*****************************************************************************/ |
528 | |
1886 | |
|
|
1887 | #if EV_USE_LINUXAIO |
|
|
1888 | # include <linux/aio_abi.h> /* probably only needed for aio_context_t */ |
|
|
1889 | #endif |
|
|
1890 | |
|
|
1891 | /* define a suitable floor function (only used by periodics atm) */ |
|
|
1892 | |
|
|
1893 | #if EV_USE_FLOOR |
|
|
1894 | # include <math.h> |
|
|
1895 | # define ev_floor(v) floor (v) |
|
|
1896 | #else |
|
|
1897 | |
|
|
1898 | #include <float.h> |
|
|
1899 | |
|
|
1900 | /* a floor() replacement function, should be independent of ev_tstamp type */ |
|
|
1901 | ecb_noinline |
|
|
1902 | static ev_tstamp |
|
|
1903 | ev_floor (ev_tstamp v) |
|
|
1904 | { |
|
|
1905 | /* the choice of shift factor is not terribly important */ |
|
|
1906 | #if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */ |
|
|
1907 | const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.; |
|
|
1908 | #else |
|
|
1909 | const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 18446744073709551616. : 4294967296.; |
|
|
1910 | #endif |
|
|
1911 | |
|
|
1912 | /* special treatment for negative arguments */ |
|
|
1913 | if (ecb_expect_false (v < 0.)) |
|
|
1914 | { |
|
|
1915 | ev_tstamp f = -ev_floor (-v); |
|
|
1916 | |
|
|
1917 | return f - (f == v ? 0 : 1); |
|
|
1918 | } |
|
|
1919 | |
|
|
1920 | /* argument too large for an unsigned long? then reduce it */ |
|
|
1921 | if (ecb_expect_false (v >= shift)) |
|
|
1922 | { |
|
|
1923 | ev_tstamp f; |
|
|
1924 | |
|
|
1925 | if (v == v - 1.) |
|
|
1926 | return v; /* very large numbers are assumed to be integer */ |
|
|
1927 | |
|
|
1928 | f = shift * ev_floor (v * (1. / shift)); |
|
|
1929 | return f + ev_floor (v - f); |
|
|
1930 | } |
|
|
1931 | |
|
|
1932 | /* fits into an unsigned long */ |
|
|
1933 | return (unsigned long)v; |
|
|
1934 | } |
|
|
1935 | |
|
|
1936 | #endif |
|
|
1937 | |
|
|
1938 | /*****************************************************************************/ |
|
|
1939 | |
|
|
1940 | #ifdef __linux |
|
|
1941 | # include <sys/utsname.h> |
|
|
1942 | #endif |
|
|
1943 | |
|
|
1944 | ecb_noinline ecb_cold |
|
|
1945 | static unsigned int |
|
|
1946 | ev_linux_version (void) |
|
|
1947 | { |
|
|
1948 | #ifdef __linux |
|
|
1949 | unsigned int v = 0; |
|
|
1950 | struct utsname buf; |
|
|
1951 | int i; |
|
|
1952 | char *p = buf.release; |
|
|
1953 | |
|
|
1954 | if (uname (&buf)) |
|
|
1955 | return 0; |
|
|
1956 | |
|
|
1957 | for (i = 3+1; --i; ) |
|
|
1958 | { |
|
|
1959 | unsigned int c = 0; |
|
|
1960 | |
|
|
1961 | for (;;) |
|
|
1962 | { |
|
|
1963 | if (*p >= '0' && *p <= '9') |
|
|
1964 | c = c * 10 + *p++ - '0'; |
|
|
1965 | else |
|
|
1966 | { |
|
|
1967 | p += *p == '.'; |
|
|
1968 | break; |
|
|
1969 | } |
|
|
1970 | } |
|
|
1971 | |
|
|
1972 | v = (v << 8) | c; |
|
|
1973 | } |
|
|
1974 | |
|
|
1975 | return v; |
|
|
1976 | #else |
|
|
1977 | return 0; |
|
|
1978 | #endif |
|
|
1979 | } |
|
|
1980 | |
|
|
1981 | /*****************************************************************************/ |
|
|
1982 | |
|
|
1983 | #if EV_AVOID_STDIO |
|
|
1984 | ecb_noinline ecb_cold |
|
|
1985 | static void |
|
|
1986 | ev_printerr (const char *msg) |
|
|
1987 | { |
|
|
1988 | write (STDERR_FILENO, msg, strlen (msg)); |
|
|
1989 | } |
|
|
1990 | #endif |
|
|
1991 | |
529 | static void (*syserr_cb)(const char *msg); |
1992 | static void (*syserr_cb)(const char *msg) EV_NOEXCEPT; |
530 | |
1993 | |
|
|
1994 | ecb_cold |
531 | void |
1995 | void |
532 | ev_set_syserr_cb (void (*cb)(const char *msg)) |
1996 | ev_set_syserr_cb (void (*cb)(const char *msg) EV_NOEXCEPT) EV_NOEXCEPT |
533 | { |
1997 | { |
534 | syserr_cb = cb; |
1998 | syserr_cb = cb; |
535 | } |
1999 | } |
536 | |
2000 | |
537 | static void noinline |
2001 | ecb_noinline ecb_cold |
|
|
2002 | static void |
538 | ev_syserr (const char *msg) |
2003 | ev_syserr (const char *msg) |
539 | { |
2004 | { |
540 | if (!msg) |
2005 | if (!msg) |
541 | msg = "(libev) system error"; |
2006 | msg = "(libev) system error"; |
542 | |
2007 | |
543 | if (syserr_cb) |
2008 | if (syserr_cb) |
544 | syserr_cb (msg); |
2009 | syserr_cb (msg); |
545 | else |
2010 | else |
546 | { |
2011 | { |
|
|
2012 | #if EV_AVOID_STDIO |
|
|
2013 | ev_printerr (msg); |
|
|
2014 | ev_printerr (": "); |
|
|
2015 | ev_printerr (strerror (errno)); |
|
|
2016 | ev_printerr ("\n"); |
|
|
2017 | #else |
547 | perror (msg); |
2018 | perror (msg); |
|
|
2019 | #endif |
548 | abort (); |
2020 | abort (); |
549 | } |
2021 | } |
550 | } |
2022 | } |
551 | |
2023 | |
552 | static void * |
2024 | static void * |
553 | ev_realloc_emul (void *ptr, long size) |
2025 | ev_realloc_emul (void *ptr, long size) EV_NOEXCEPT |
554 | { |
2026 | { |
555 | /* some systems, notably openbsd and darwin, fail to properly |
2027 | /* some systems, notably openbsd and darwin, fail to properly |
556 | * implement realloc (x, 0) (as required by both ansi c-98 and |
2028 | * implement realloc (x, 0) (as required by both ansi c-89 and |
557 | * the single unix specification, so work around them here. |
2029 | * the single unix specification, so work around them here. |
|
|
2030 | * recently, also (at least) fedora and debian started breaking it, |
|
|
2031 | * despite documenting it otherwise. |
558 | */ |
2032 | */ |
559 | |
2033 | |
560 | if (size) |
2034 | if (size) |
561 | return realloc (ptr, size); |
2035 | return realloc (ptr, size); |
562 | |
2036 | |
563 | free (ptr); |
2037 | free (ptr); |
564 | return 0; |
2038 | return 0; |
565 | } |
2039 | } |
566 | |
2040 | |
567 | static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; |
2041 | static void *(*alloc)(void *ptr, long size) EV_NOEXCEPT = ev_realloc_emul; |
568 | |
2042 | |
|
|
2043 | ecb_cold |
569 | void |
2044 | void |
570 | ev_set_allocator (void *(*cb)(void *ptr, long size)) |
2045 | ev_set_allocator (void *(*cb)(void *ptr, long size) EV_NOEXCEPT) EV_NOEXCEPT |
571 | { |
2046 | { |
572 | alloc = cb; |
2047 | alloc = cb; |
573 | } |
2048 | } |
574 | |
2049 | |
575 | inline_speed void * |
2050 | inline_speed void * |
… | |
… | |
577 | { |
2052 | { |
578 | ptr = alloc (ptr, size); |
2053 | ptr = alloc (ptr, size); |
579 | |
2054 | |
580 | if (!ptr && size) |
2055 | if (!ptr && size) |
581 | { |
2056 | { |
|
|
2057 | #if EV_AVOID_STDIO |
|
|
2058 | ev_printerr ("(libev) memory allocation failed, aborting.\n"); |
|
|
2059 | #else |
582 | fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); |
2060 | fprintf (stderr, "(libev) cannot allocate %ld bytes, aborting.", size); |
|
|
2061 | #endif |
583 | abort (); |
2062 | abort (); |
584 | } |
2063 | } |
585 | |
2064 | |
586 | return ptr; |
2065 | return ptr; |
587 | } |
2066 | } |
… | |
… | |
598 | typedef struct |
2077 | typedef struct |
599 | { |
2078 | { |
600 | WL head; |
2079 | WL head; |
601 | unsigned char events; /* the events watched for */ |
2080 | unsigned char events; /* the events watched for */ |
602 | unsigned char reify; /* flag set when this ANFD needs reification (EV_ANFD_REIFY, EV__IOFDSET) */ |
2081 | unsigned char reify; /* flag set when this ANFD needs reification (EV_ANFD_REIFY, EV__IOFDSET) */ |
603 | unsigned char emask; /* the epoll backend stores the actual kernel mask in here */ |
2082 | unsigned char emask; /* some backends store the actual kernel mask in here */ |
604 | unsigned char unused; |
2083 | unsigned char eflags; /* flags field for use by backends */ |
605 | #if EV_USE_EPOLL |
2084 | #if EV_USE_EPOLL |
606 | unsigned int egen; /* generation counter to counter epoll bugs */ |
2085 | unsigned int egen; /* generation counter to counter epoll bugs */ |
607 | #endif |
2086 | #endif |
608 | #if EV_SELECT_IS_WINSOCKET |
2087 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
609 | SOCKET handle; |
2088 | SOCKET handle; |
|
|
2089 | #endif |
|
|
2090 | #if EV_USE_IOCP |
|
|
2091 | OVERLAPPED or, ow; |
610 | #endif |
2092 | #endif |
611 | } ANFD; |
2093 | } ANFD; |
612 | |
2094 | |
613 | /* stores the pending event set for a given watcher */ |
2095 | /* stores the pending event set for a given watcher */ |
614 | typedef struct |
2096 | typedef struct |
… | |
… | |
656 | #undef VAR |
2138 | #undef VAR |
657 | }; |
2139 | }; |
658 | #include "ev_wrap.h" |
2140 | #include "ev_wrap.h" |
659 | |
2141 | |
660 | static struct ev_loop default_loop_struct; |
2142 | static struct ev_loop default_loop_struct; |
661 | struct ev_loop *ev_default_loop_ptr; |
2143 | EV_API_DECL struct ev_loop *ev_default_loop_ptr = 0; /* needs to be initialised to make it a definition despite extern */ |
662 | |
2144 | |
663 | #else |
2145 | #else |
664 | |
2146 | |
665 | ev_tstamp ev_rt_now; |
2147 | EV_API_DECL ev_tstamp ev_rt_now = EV_TS_CONST (0.); /* needs to be initialised to make it a definition despite extern */ |
666 | #define VAR(name,decl) static decl; |
2148 | #define VAR(name,decl) static decl; |
667 | #include "ev_vars.h" |
2149 | #include "ev_vars.h" |
668 | #undef VAR |
2150 | #undef VAR |
669 | |
2151 | |
670 | static int ev_default_loop_ptr; |
2152 | static int ev_default_loop_ptr; |
671 | |
2153 | |
672 | #endif |
2154 | #endif |
673 | |
2155 | |
674 | #if EV_MINIMAL < 2 |
2156 | #if EV_FEATURE_API |
675 | # define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A) |
2157 | # define EV_RELEASE_CB if (ecb_expect_false (release_cb)) release_cb (EV_A) |
676 | # define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A) |
2158 | # define EV_ACQUIRE_CB if (ecb_expect_false (acquire_cb)) acquire_cb (EV_A) |
677 | # define EV_INVOKE_PENDING invoke_cb (EV_A) |
2159 | # define EV_INVOKE_PENDING invoke_cb (EV_A) |
678 | #else |
2160 | #else |
679 | # define EV_RELEASE_CB (void)0 |
2161 | # define EV_RELEASE_CB (void)0 |
680 | # define EV_ACQUIRE_CB (void)0 |
2162 | # define EV_ACQUIRE_CB (void)0 |
681 | # define EV_INVOKE_PENDING ev_invoke_pending (EV_A) |
2163 | # define EV_INVOKE_PENDING ev_invoke_pending (EV_A) |
682 | #endif |
2164 | #endif |
683 | |
2165 | |
684 | #define EVUNLOOP_RECURSE 0x80 |
2166 | #define EVBREAK_RECURSE 0x80 |
685 | |
2167 | |
686 | /*****************************************************************************/ |
2168 | /*****************************************************************************/ |
687 | |
2169 | |
688 | #ifndef EV_HAVE_EV_TIME |
2170 | #ifndef EV_HAVE_EV_TIME |
689 | ev_tstamp |
2171 | ev_tstamp |
690 | ev_time (void) |
2172 | ev_time (void) EV_NOEXCEPT |
691 | { |
2173 | { |
692 | #if EV_USE_REALTIME |
2174 | #if EV_USE_REALTIME |
693 | if (expect_true (have_realtime)) |
2175 | if (ecb_expect_true (have_realtime)) |
694 | { |
2176 | { |
695 | struct timespec ts; |
2177 | struct timespec ts; |
696 | clock_gettime (CLOCK_REALTIME, &ts); |
2178 | clock_gettime (CLOCK_REALTIME, &ts); |
697 | return ts.tv_sec + ts.tv_nsec * 1e-9; |
2179 | return EV_TS_GET (ts); |
698 | } |
2180 | } |
699 | #endif |
2181 | #endif |
700 | |
2182 | |
|
|
2183 | { |
701 | struct timeval tv; |
2184 | struct timeval tv; |
702 | gettimeofday (&tv, 0); |
2185 | gettimeofday (&tv, 0); |
703 | return tv.tv_sec + tv.tv_usec * 1e-6; |
2186 | return EV_TV_GET (tv); |
|
|
2187 | } |
704 | } |
2188 | } |
705 | #endif |
2189 | #endif |
706 | |
2190 | |
707 | inline_size ev_tstamp |
2191 | inline_size ev_tstamp |
708 | get_clock (void) |
2192 | get_clock (void) |
709 | { |
2193 | { |
710 | #if EV_USE_MONOTONIC |
2194 | #if EV_USE_MONOTONIC |
711 | if (expect_true (have_monotonic)) |
2195 | if (ecb_expect_true (have_monotonic)) |
712 | { |
2196 | { |
713 | struct timespec ts; |
2197 | struct timespec ts; |
714 | clock_gettime (CLOCK_MONOTONIC, &ts); |
2198 | clock_gettime (CLOCK_MONOTONIC, &ts); |
715 | return ts.tv_sec + ts.tv_nsec * 1e-9; |
2199 | return EV_TS_GET (ts); |
716 | } |
2200 | } |
717 | #endif |
2201 | #endif |
718 | |
2202 | |
719 | return ev_time (); |
2203 | return ev_time (); |
720 | } |
2204 | } |
721 | |
2205 | |
722 | #if EV_MULTIPLICITY |
2206 | #if EV_MULTIPLICITY |
723 | ev_tstamp |
2207 | ev_tstamp |
724 | ev_now (EV_P) |
2208 | ev_now (EV_P) EV_NOEXCEPT |
725 | { |
2209 | { |
726 | return ev_rt_now; |
2210 | return ev_rt_now; |
727 | } |
2211 | } |
728 | #endif |
2212 | #endif |
729 | |
2213 | |
730 | void |
2214 | void |
731 | ev_sleep (ev_tstamp delay) |
2215 | ev_sleep (ev_tstamp delay) EV_NOEXCEPT |
732 | { |
2216 | { |
733 | if (delay > 0.) |
2217 | if (delay > EV_TS_CONST (0.)) |
734 | { |
2218 | { |
735 | #if EV_USE_NANOSLEEP |
2219 | #if EV_USE_NANOSLEEP |
736 | struct timespec ts; |
2220 | struct timespec ts; |
737 | |
2221 | |
738 | ts.tv_sec = (time_t)delay; |
2222 | EV_TS_SET (ts, delay); |
739 | ts.tv_nsec = (long)((delay - (ev_tstamp)(ts.tv_sec)) * 1e9); |
|
|
740 | |
|
|
741 | nanosleep (&ts, 0); |
2223 | nanosleep (&ts, 0); |
742 | #elif defined(_WIN32) |
2224 | #elif defined _WIN32 |
|
|
2225 | /* maybe this should round up, as ms is very low resolution */ |
|
|
2226 | /* compared to select (µs) or nanosleep (ns) */ |
743 | Sleep ((unsigned long)(delay * 1e3)); |
2227 | Sleep ((unsigned long)(EV_TS_TO_MSEC (delay))); |
744 | #else |
2228 | #else |
745 | struct timeval tv; |
2229 | struct timeval tv; |
746 | |
|
|
747 | tv.tv_sec = (time_t)delay; |
|
|
748 | tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); |
|
|
749 | |
2230 | |
750 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
2231 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
751 | /* something not guaranteed by newer posix versions, but guaranteed */ |
2232 | /* something not guaranteed by newer posix versions, but guaranteed */ |
752 | /* by older ones */ |
2233 | /* by older ones */ |
|
|
2234 | EV_TV_SET (tv, delay); |
753 | select (0, 0, 0, 0, &tv); |
2235 | select (0, 0, 0, 0, &tv); |
754 | #endif |
2236 | #endif |
755 | } |
2237 | } |
756 | } |
2238 | } |
757 | |
2239 | |
758 | /*****************************************************************************/ |
2240 | /*****************************************************************************/ |
759 | |
2241 | |
760 | #define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */ |
2242 | #define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */ |
761 | |
2243 | |
762 | /* find a suitable new size for the given array, */ |
2244 | /* find a suitable new size for the given array, */ |
763 | /* hopefully by rounding to a ncie-to-malloc size */ |
2245 | /* hopefully by rounding to a nice-to-malloc size */ |
764 | inline_size int |
2246 | inline_size int |
765 | array_nextsize (int elem, int cur, int cnt) |
2247 | array_nextsize (int elem, int cur, int cnt) |
766 | { |
2248 | { |
767 | int ncur = cur + 1; |
2249 | int ncur = cur + 1; |
768 | |
2250 | |
769 | do |
2251 | do |
770 | ncur <<= 1; |
2252 | ncur <<= 1; |
771 | while (cnt > ncur); |
2253 | while (cnt > ncur); |
772 | |
2254 | |
773 | /* if size is large, round to MALLOC_ROUND - 4 * longs to accomodate malloc overhead */ |
2255 | /* if size is large, round to MALLOC_ROUND - 4 * longs to accommodate malloc overhead */ |
774 | if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4) |
2256 | if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4) |
775 | { |
2257 | { |
776 | ncur *= elem; |
2258 | ncur *= elem; |
777 | ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void *) * 4) & ~(MALLOC_ROUND - 1); |
2259 | ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void *) * 4) & ~(MALLOC_ROUND - 1); |
778 | ncur = ncur - sizeof (void *) * 4; |
2260 | ncur = ncur - sizeof (void *) * 4; |
… | |
… | |
780 | } |
2262 | } |
781 | |
2263 | |
782 | return ncur; |
2264 | return ncur; |
783 | } |
2265 | } |
784 | |
2266 | |
785 | static noinline void * |
2267 | ecb_noinline ecb_cold |
|
|
2268 | static void * |
786 | array_realloc (int elem, void *base, int *cur, int cnt) |
2269 | array_realloc (int elem, void *base, int *cur, int cnt) |
787 | { |
2270 | { |
788 | *cur = array_nextsize (elem, *cur, cnt); |
2271 | *cur = array_nextsize (elem, *cur, cnt); |
789 | return ev_realloc (base, elem * *cur); |
2272 | return ev_realloc (base, elem * *cur); |
790 | } |
2273 | } |
791 | |
2274 | |
|
|
2275 | #define array_needsize_noinit(base,offset,count) |
|
|
2276 | |
792 | #define array_init_zero(base,count) \ |
2277 | #define array_needsize_zerofill(base,offset,count) \ |
793 | memset ((void *)(base), 0, sizeof (*(base)) * (count)) |
2278 | memset ((void *)(base + offset), 0, sizeof (*(base)) * (count)) |
794 | |
2279 | |
795 | #define array_needsize(type,base,cur,cnt,init) \ |
2280 | #define array_needsize(type,base,cur,cnt,init) \ |
796 | if (expect_false ((cnt) > (cur))) \ |
2281 | if (ecb_expect_false ((cnt) > (cur))) \ |
797 | { \ |
2282 | { \ |
798 | int ocur_ = (cur); \ |
2283 | ecb_unused int ocur_ = (cur); \ |
799 | (base) = (type *)array_realloc \ |
2284 | (base) = (type *)array_realloc \ |
800 | (sizeof (type), (base), &(cur), (cnt)); \ |
2285 | (sizeof (type), (base), &(cur), (cnt)); \ |
801 | init ((base) + (ocur_), (cur) - ocur_); \ |
2286 | init ((base), ocur_, ((cur) - ocur_)); \ |
802 | } |
2287 | } |
803 | |
2288 | |
804 | #if 0 |
2289 | #if 0 |
805 | #define array_slim(type,stem) \ |
2290 | #define array_slim(type,stem) \ |
806 | if (stem ## max < array_roundsize (stem ## cnt >> 2)) \ |
2291 | if (stem ## max < array_roundsize (stem ## cnt >> 2)) \ |
… | |
… | |
815 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0 |
2300 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0 |
816 | |
2301 | |
817 | /*****************************************************************************/ |
2302 | /*****************************************************************************/ |
818 | |
2303 | |
819 | /* dummy callback for pending events */ |
2304 | /* dummy callback for pending events */ |
820 | static void noinline |
2305 | ecb_noinline |
|
|
2306 | static void |
821 | pendingcb (EV_P_ ev_prepare *w, int revents) |
2307 | pendingcb (EV_P_ ev_prepare *w, int revents) |
822 | { |
2308 | { |
823 | } |
2309 | } |
824 | |
2310 | |
825 | void noinline |
2311 | ecb_noinline |
|
|
2312 | void |
826 | ev_feed_event (EV_P_ void *w, int revents) |
2313 | ev_feed_event (EV_P_ void *w, int revents) EV_NOEXCEPT |
827 | { |
2314 | { |
828 | W w_ = (W)w; |
2315 | W w_ = (W)w; |
829 | int pri = ABSPRI (w_); |
2316 | int pri = ABSPRI (w_); |
830 | |
2317 | |
831 | if (expect_false (w_->pending)) |
2318 | if (ecb_expect_false (w_->pending)) |
832 | pendings [pri][w_->pending - 1].events |= revents; |
2319 | pendings [pri][w_->pending - 1].events |= revents; |
833 | else |
2320 | else |
834 | { |
2321 | { |
835 | w_->pending = ++pendingcnt [pri]; |
2322 | w_->pending = ++pendingcnt [pri]; |
836 | array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2); |
2323 | array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, array_needsize_noinit); |
837 | pendings [pri][w_->pending - 1].w = w_; |
2324 | pendings [pri][w_->pending - 1].w = w_; |
838 | pendings [pri][w_->pending - 1].events = revents; |
2325 | pendings [pri][w_->pending - 1].events = revents; |
839 | } |
2326 | } |
|
|
2327 | |
|
|
2328 | pendingpri = NUMPRI - 1; |
840 | } |
2329 | } |
841 | |
2330 | |
842 | inline_speed void |
2331 | inline_speed void |
843 | feed_reverse (EV_P_ W w) |
2332 | feed_reverse (EV_P_ W w) |
844 | { |
2333 | { |
845 | array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, EMPTY2); |
2334 | array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, array_needsize_noinit); |
846 | rfeeds [rfeedcnt++] = w; |
2335 | rfeeds [rfeedcnt++] = w; |
847 | } |
2336 | } |
848 | |
2337 | |
849 | inline_size void |
2338 | inline_size void |
850 | feed_reverse_done (EV_P_ int revents) |
2339 | feed_reverse_done (EV_P_ int revents) |
… | |
… | |
864 | } |
2353 | } |
865 | |
2354 | |
866 | /*****************************************************************************/ |
2355 | /*****************************************************************************/ |
867 | |
2356 | |
868 | inline_speed void |
2357 | inline_speed void |
869 | fd_event_nc (EV_P_ int fd, int revents) |
2358 | fd_event_nocheck (EV_P_ int fd, int revents) |
870 | { |
2359 | { |
871 | ANFD *anfd = anfds + fd; |
2360 | ANFD *anfd = anfds + fd; |
872 | ev_io *w; |
2361 | ev_io *w; |
873 | |
2362 | |
874 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
2363 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
… | |
… | |
885 | inline_speed void |
2374 | inline_speed void |
886 | fd_event (EV_P_ int fd, int revents) |
2375 | fd_event (EV_P_ int fd, int revents) |
887 | { |
2376 | { |
888 | ANFD *anfd = anfds + fd; |
2377 | ANFD *anfd = anfds + fd; |
889 | |
2378 | |
890 | if (expect_true (!anfd->reify)) |
2379 | if (ecb_expect_true (!anfd->reify)) |
891 | fd_event_nc (EV_A_ fd, revents); |
2380 | fd_event_nocheck (EV_A_ fd, revents); |
892 | } |
2381 | } |
893 | |
2382 | |
894 | void |
2383 | void |
895 | ev_feed_fd_event (EV_P_ int fd, int revents) |
2384 | ev_feed_fd_event (EV_P_ int fd, int revents) EV_NOEXCEPT |
896 | { |
2385 | { |
897 | if (fd >= 0 && fd < anfdmax) |
2386 | if (fd >= 0 && fd < anfdmax) |
898 | fd_event_nc (EV_A_ fd, revents); |
2387 | fd_event_nocheck (EV_A_ fd, revents); |
899 | } |
2388 | } |
900 | |
2389 | |
901 | /* make sure the external fd watch events are in-sync */ |
2390 | /* make sure the external fd watch events are in-sync */ |
902 | /* with the kernel/libev internal state */ |
2391 | /* with the kernel/libev internal state */ |
903 | inline_size void |
2392 | inline_size void |
904 | fd_reify (EV_P) |
2393 | fd_reify (EV_P) |
905 | { |
2394 | { |
906 | int i; |
2395 | int i; |
907 | |
2396 | |
|
|
2397 | /* most backends do not modify the fdchanges list in backend_modfiy. |
|
|
2398 | * except io_uring, which has fixed-size buffers which might force us |
|
|
2399 | * to handle events in backend_modify, causing fdchanges to be amended, |
|
|
2400 | * which could result in an endless loop. |
|
|
2401 | * to avoid this, we do not dynamically handle fds that were added |
|
|
2402 | * during fd_reify. that means that for those backends, fdchangecnt |
|
|
2403 | * might be non-zero during poll, which must cause them to not block. |
|
|
2404 | * to not put too much of a burden on other backends, this detail |
|
|
2405 | * needs to be handled in the backend. |
|
|
2406 | */ |
|
|
2407 | int changecnt = fdchangecnt; |
|
|
2408 | |
|
|
2409 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
908 | for (i = 0; i < fdchangecnt; ++i) |
2410 | for (i = 0; i < changecnt; ++i) |
|
|
2411 | { |
|
|
2412 | int fd = fdchanges [i]; |
|
|
2413 | ANFD *anfd = anfds + fd; |
|
|
2414 | |
|
|
2415 | if (anfd->reify & EV__IOFDSET && anfd->head) |
|
|
2416 | { |
|
|
2417 | SOCKET handle = EV_FD_TO_WIN32_HANDLE (fd); |
|
|
2418 | |
|
|
2419 | if (handle != anfd->handle) |
|
|
2420 | { |
|
|
2421 | unsigned long arg; |
|
|
2422 | |
|
|
2423 | assert (("libev: only socket fds supported in this configuration", ioctlsocket (handle, FIONREAD, &arg) == 0)); |
|
|
2424 | |
|
|
2425 | /* handle changed, but fd didn't - we need to do it in two steps */ |
|
|
2426 | backend_modify (EV_A_ fd, anfd->events, 0); |
|
|
2427 | anfd->events = 0; |
|
|
2428 | anfd->handle = handle; |
|
|
2429 | } |
|
|
2430 | } |
|
|
2431 | } |
|
|
2432 | #endif |
|
|
2433 | |
|
|
2434 | for (i = 0; i < changecnt; ++i) |
909 | { |
2435 | { |
910 | int fd = fdchanges [i]; |
2436 | int fd = fdchanges [i]; |
911 | ANFD *anfd = anfds + fd; |
2437 | ANFD *anfd = anfds + fd; |
912 | ev_io *w; |
2438 | ev_io *w; |
913 | |
2439 | |
914 | unsigned char events = 0; |
2440 | unsigned char o_events = anfd->events; |
|
|
2441 | unsigned char o_reify = anfd->reify; |
915 | |
2442 | |
916 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
2443 | anfd->reify = 0; |
917 | events |= (unsigned char)w->events; |
|
|
918 | |
2444 | |
919 | #if EV_SELECT_IS_WINSOCKET |
2445 | /*if (ecb_expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */ |
920 | if (events) |
|
|
921 | { |
2446 | { |
922 | unsigned long arg; |
2447 | anfd->events = 0; |
923 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
2448 | |
924 | assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); |
2449 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
|
|
2450 | anfd->events |= (unsigned char)w->events; |
|
|
2451 | |
|
|
2452 | if (o_events != anfd->events) |
|
|
2453 | o_reify = EV__IOFDSET; /* actually |= */ |
925 | } |
2454 | } |
926 | #endif |
|
|
927 | |
2455 | |
928 | { |
2456 | if (o_reify & EV__IOFDSET) |
929 | unsigned char o_events = anfd->events; |
|
|
930 | unsigned char o_reify = anfd->reify; |
|
|
931 | |
|
|
932 | anfd->reify = 0; |
|
|
933 | anfd->events = events; |
|
|
934 | |
|
|
935 | if (o_events != events || o_reify & EV__IOFDSET) |
|
|
936 | backend_modify (EV_A_ fd, o_events, events); |
2457 | backend_modify (EV_A_ fd, o_events, anfd->events); |
937 | } |
2458 | } |
938 | } |
|
|
939 | |
2459 | |
|
|
2460 | /* normally, fdchangecnt hasn't changed. if it has, then new fds have been added. |
|
|
2461 | * this is a rare case (see beginning comment in this function), so we copy them to the |
|
|
2462 | * front and hope the backend handles this case. |
|
|
2463 | */ |
|
|
2464 | if (ecb_expect_false (fdchangecnt != changecnt)) |
|
|
2465 | memmove (fdchanges, fdchanges + changecnt, (fdchangecnt - changecnt) * sizeof (*fdchanges)); |
|
|
2466 | |
940 | fdchangecnt = 0; |
2467 | fdchangecnt -= changecnt; |
941 | } |
2468 | } |
942 | |
2469 | |
943 | /* something about the given fd changed */ |
2470 | /* something about the given fd changed */ |
944 | inline_size void |
2471 | inline_size |
|
|
2472 | void |
945 | fd_change (EV_P_ int fd, int flags) |
2473 | fd_change (EV_P_ int fd, int flags) |
946 | { |
2474 | { |
947 | unsigned char reify = anfds [fd].reify; |
2475 | unsigned char reify = anfds [fd].reify; |
948 | anfds [fd].reify |= flags; |
2476 | anfds [fd].reify = reify | flags; |
949 | |
2477 | |
950 | if (expect_true (!reify)) |
2478 | if (ecb_expect_true (!reify)) |
951 | { |
2479 | { |
952 | ++fdchangecnt; |
2480 | ++fdchangecnt; |
953 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
2481 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, array_needsize_noinit); |
954 | fdchanges [fdchangecnt - 1] = fd; |
2482 | fdchanges [fdchangecnt - 1] = fd; |
955 | } |
2483 | } |
956 | } |
2484 | } |
957 | |
2485 | |
958 | /* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */ |
2486 | /* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */ |
959 | inline_speed void |
2487 | inline_speed ecb_cold void |
960 | fd_kill (EV_P_ int fd) |
2488 | fd_kill (EV_P_ int fd) |
961 | { |
2489 | { |
962 | ev_io *w; |
2490 | ev_io *w; |
963 | |
2491 | |
964 | while ((w = (ev_io *)anfds [fd].head)) |
2492 | while ((w = (ev_io *)anfds [fd].head)) |
… | |
… | |
966 | ev_io_stop (EV_A_ w); |
2494 | ev_io_stop (EV_A_ w); |
967 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
2495 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
968 | } |
2496 | } |
969 | } |
2497 | } |
970 | |
2498 | |
971 | /* check whether the given fd is atcually valid, for error recovery */ |
2499 | /* check whether the given fd is actually valid, for error recovery */ |
972 | inline_size int |
2500 | inline_size ecb_cold int |
973 | fd_valid (int fd) |
2501 | fd_valid (int fd) |
974 | { |
2502 | { |
975 | #ifdef _WIN32 |
2503 | #ifdef _WIN32 |
976 | return EV_FD_TO_WIN32_HANDLE (fd) != -1; |
2504 | return EV_FD_TO_WIN32_HANDLE (fd) != -1; |
977 | #else |
2505 | #else |
978 | return fcntl (fd, F_GETFD) != -1; |
2506 | return fcntl (fd, F_GETFD) != -1; |
979 | #endif |
2507 | #endif |
980 | } |
2508 | } |
981 | |
2509 | |
982 | /* called on EBADF to verify fds */ |
2510 | /* called on EBADF to verify fds */ |
983 | static void noinline |
2511 | ecb_noinline ecb_cold |
|
|
2512 | static void |
984 | fd_ebadf (EV_P) |
2513 | fd_ebadf (EV_P) |
985 | { |
2514 | { |
986 | int fd; |
2515 | int fd; |
987 | |
2516 | |
988 | for (fd = 0; fd < anfdmax; ++fd) |
2517 | for (fd = 0; fd < anfdmax; ++fd) |
… | |
… | |
990 | if (!fd_valid (fd) && errno == EBADF) |
2519 | if (!fd_valid (fd) && errno == EBADF) |
991 | fd_kill (EV_A_ fd); |
2520 | fd_kill (EV_A_ fd); |
992 | } |
2521 | } |
993 | |
2522 | |
994 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
2523 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
995 | static void noinline |
2524 | ecb_noinline ecb_cold |
|
|
2525 | static void |
996 | fd_enomem (EV_P) |
2526 | fd_enomem (EV_P) |
997 | { |
2527 | { |
998 | int fd; |
2528 | int fd; |
999 | |
2529 | |
1000 | for (fd = anfdmax; fd--; ) |
2530 | for (fd = anfdmax; fd--; ) |
… | |
… | |
1004 | break; |
2534 | break; |
1005 | } |
2535 | } |
1006 | } |
2536 | } |
1007 | |
2537 | |
1008 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
2538 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
1009 | static void noinline |
2539 | ecb_noinline |
|
|
2540 | static void |
1010 | fd_rearm_all (EV_P) |
2541 | fd_rearm_all (EV_P) |
1011 | { |
2542 | { |
1012 | int fd; |
2543 | int fd; |
1013 | |
2544 | |
1014 | for (fd = 0; fd < anfdmax; ++fd) |
2545 | for (fd = 0; fd < anfdmax; ++fd) |
… | |
… | |
1018 | anfds [fd].emask = 0; |
2549 | anfds [fd].emask = 0; |
1019 | fd_change (EV_A_ fd, EV__IOFDSET | EV_ANFD_REIFY); |
2550 | fd_change (EV_A_ fd, EV__IOFDSET | EV_ANFD_REIFY); |
1020 | } |
2551 | } |
1021 | } |
2552 | } |
1022 | |
2553 | |
|
|
2554 | /* used to prepare libev internal fd's */ |
|
|
2555 | /* this is not fork-safe */ |
|
|
2556 | inline_speed void |
|
|
2557 | fd_intern (int fd) |
|
|
2558 | { |
|
|
2559 | #ifdef _WIN32 |
|
|
2560 | unsigned long arg = 1; |
|
|
2561 | ioctlsocket (EV_FD_TO_WIN32_HANDLE (fd), FIONBIO, &arg); |
|
|
2562 | #else |
|
|
2563 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
|
|
2564 | fcntl (fd, F_SETFL, O_NONBLOCK); |
|
|
2565 | #endif |
|
|
2566 | } |
|
|
2567 | |
1023 | /*****************************************************************************/ |
2568 | /*****************************************************************************/ |
1024 | |
2569 | |
1025 | /* |
2570 | /* |
1026 | * the heap functions want a real array index. array index 0 uis guaranteed to not |
2571 | * the heap functions want a real array index. array index 0 is guaranteed to not |
1027 | * be in-use at any time. the first heap entry is at array [HEAP0]. DHEAP gives |
2572 | * be in-use at any time. the first heap entry is at array [HEAP0]. DHEAP gives |
1028 | * the branching factor of the d-tree. |
2573 | * the branching factor of the d-tree. |
1029 | */ |
2574 | */ |
1030 | |
2575 | |
1031 | /* |
2576 | /* |
… | |
… | |
1053 | ev_tstamp minat; |
2598 | ev_tstamp minat; |
1054 | ANHE *minpos; |
2599 | ANHE *minpos; |
1055 | ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0 + 1; |
2600 | ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0 + 1; |
1056 | |
2601 | |
1057 | /* find minimum child */ |
2602 | /* find minimum child */ |
1058 | if (expect_true (pos + DHEAP - 1 < E)) |
2603 | if (ecb_expect_true (pos + DHEAP - 1 < E)) |
1059 | { |
2604 | { |
1060 | /* fast path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); |
2605 | /* fast path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); |
1061 | if ( ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos)); |
2606 | if ( minat > ANHE_at (pos [1])) (minpos = pos + 1), (minat = ANHE_at (*minpos)); |
1062 | if ( ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos)); |
2607 | if ( minat > ANHE_at (pos [2])) (minpos = pos + 2), (minat = ANHE_at (*minpos)); |
1063 | if ( ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos)); |
2608 | if ( minat > ANHE_at (pos [3])) (minpos = pos + 3), (minat = ANHE_at (*minpos)); |
1064 | } |
2609 | } |
1065 | else if (pos < E) |
2610 | else if (pos < E) |
1066 | { |
2611 | { |
1067 | /* slow path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); |
2612 | /* slow path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); |
1068 | if (pos + 1 < E && ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos)); |
2613 | if (pos + 1 < E && minat > ANHE_at (pos [1])) (minpos = pos + 1), (minat = ANHE_at (*minpos)); |
1069 | if (pos + 2 < E && ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos)); |
2614 | if (pos + 2 < E && minat > ANHE_at (pos [2])) (minpos = pos + 2), (minat = ANHE_at (*minpos)); |
1070 | if (pos + 3 < E && ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos)); |
2615 | if (pos + 3 < E && minat > ANHE_at (pos [3])) (minpos = pos + 3), (minat = ANHE_at (*minpos)); |
1071 | } |
2616 | } |
1072 | else |
2617 | else |
1073 | break; |
2618 | break; |
1074 | |
2619 | |
1075 | if (ANHE_at (he) <= minat) |
2620 | if (ANHE_at (he) <= minat) |
… | |
… | |
1083 | |
2628 | |
1084 | heap [k] = he; |
2629 | heap [k] = he; |
1085 | ev_active (ANHE_w (he)) = k; |
2630 | ev_active (ANHE_w (he)) = k; |
1086 | } |
2631 | } |
1087 | |
2632 | |
1088 | #else /* 4HEAP */ |
2633 | #else /* not 4HEAP */ |
1089 | |
2634 | |
1090 | #define HEAP0 1 |
2635 | #define HEAP0 1 |
1091 | #define HPARENT(k) ((k) >> 1) |
2636 | #define HPARENT(k) ((k) >> 1) |
1092 | #define UPHEAP_DONE(p,k) (!(p)) |
2637 | #define UPHEAP_DONE(p,k) (!(p)) |
1093 | |
2638 | |
… | |
… | |
1165 | upheap (heap, i + HEAP0); |
2710 | upheap (heap, i + HEAP0); |
1166 | } |
2711 | } |
1167 | |
2712 | |
1168 | /*****************************************************************************/ |
2713 | /*****************************************************************************/ |
1169 | |
2714 | |
1170 | /* associate signal watchers to a signal signal */ |
2715 | /* associate signal watchers to a signal */ |
1171 | typedef struct |
2716 | typedef struct |
1172 | { |
2717 | { |
1173 | EV_ATOMIC_T pending; |
2718 | EV_ATOMIC_T pending; |
1174 | #if EV_MULTIPLICITY |
2719 | #if EV_MULTIPLICITY |
1175 | EV_P; |
2720 | EV_P; |
… | |
… | |
1179 | |
2724 | |
1180 | static ANSIG signals [EV_NSIG - 1]; |
2725 | static ANSIG signals [EV_NSIG - 1]; |
1181 | |
2726 | |
1182 | /*****************************************************************************/ |
2727 | /*****************************************************************************/ |
1183 | |
2728 | |
1184 | /* used to prepare libev internal fd's */ |
2729 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
1185 | /* this is not fork-safe */ |
2730 | |
|
|
2731 | ecb_noinline ecb_cold |
|
|
2732 | static void |
|
|
2733 | evpipe_init (EV_P) |
|
|
2734 | { |
|
|
2735 | if (!ev_is_active (&pipe_w)) |
|
|
2736 | { |
|
|
2737 | int fds [2]; |
|
|
2738 | |
|
|
2739 | # if EV_USE_EVENTFD |
|
|
2740 | fds [0] = -1; |
|
|
2741 | fds [1] = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC); |
|
|
2742 | if (fds [1] < 0 && errno == EINVAL) |
|
|
2743 | fds [1] = eventfd (0, 0); |
|
|
2744 | |
|
|
2745 | if (fds [1] < 0) |
|
|
2746 | # endif |
|
|
2747 | { |
|
|
2748 | while (pipe (fds)) |
|
|
2749 | ev_syserr ("(libev) error creating signal/async pipe"); |
|
|
2750 | |
|
|
2751 | fd_intern (fds [0]); |
|
|
2752 | } |
|
|
2753 | |
|
|
2754 | evpipe [0] = fds [0]; |
|
|
2755 | |
|
|
2756 | if (evpipe [1] < 0) |
|
|
2757 | evpipe [1] = fds [1]; /* first call, set write fd */ |
|
|
2758 | else |
|
|
2759 | { |
|
|
2760 | /* on subsequent calls, do not change evpipe [1] */ |
|
|
2761 | /* so that evpipe_write can always rely on its value. */ |
|
|
2762 | /* this branch does not do anything sensible on windows, */ |
|
|
2763 | /* so must not be executed on windows */ |
|
|
2764 | |
|
|
2765 | dup2 (fds [1], evpipe [1]); |
|
|
2766 | close (fds [1]); |
|
|
2767 | } |
|
|
2768 | |
|
|
2769 | fd_intern (evpipe [1]); |
|
|
2770 | |
|
|
2771 | ev_io_set (&pipe_w, evpipe [0] < 0 ? evpipe [1] : evpipe [0], EV_READ); |
|
|
2772 | ev_io_start (EV_A_ &pipe_w); |
|
|
2773 | ev_unref (EV_A); /* watcher should not keep loop alive */ |
|
|
2774 | } |
|
|
2775 | } |
|
|
2776 | |
1186 | inline_speed void |
2777 | inline_speed void |
1187 | fd_intern (int fd) |
2778 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
1188 | { |
2779 | { |
1189 | #ifdef _WIN32 |
2780 | ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */ |
1190 | unsigned long arg = 1; |
|
|
1191 | ioctlsocket (EV_FD_TO_WIN32_HANDLE (fd), FIONBIO, &arg); |
|
|
1192 | #else |
|
|
1193 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
|
|
1194 | fcntl (fd, F_SETFL, O_NONBLOCK); |
|
|
1195 | #endif |
|
|
1196 | } |
|
|
1197 | |
2781 | |
1198 | static void noinline |
2782 | if (ecb_expect_true (*flag)) |
1199 | evpipe_init (EV_P) |
2783 | return; |
1200 | { |
2784 | |
1201 | if (!ev_is_active (&pipe_w)) |
2785 | *flag = 1; |
|
|
2786 | ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */ |
|
|
2787 | |
|
|
2788 | pipe_write_skipped = 1; |
|
|
2789 | |
|
|
2790 | ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */ |
|
|
2791 | |
|
|
2792 | if (pipe_write_wanted) |
1202 | { |
2793 | { |
|
|
2794 | int old_errno; |
|
|
2795 | |
|
|
2796 | pipe_write_skipped = 0; |
|
|
2797 | ECB_MEMORY_FENCE_RELEASE; |
|
|
2798 | |
|
|
2799 | old_errno = errno; /* save errno because write will clobber it */ |
|
|
2800 | |
1203 | #if EV_USE_EVENTFD |
2801 | #if EV_USE_EVENTFD |
1204 | evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC); |
2802 | if (evpipe [0] < 0) |
1205 | if (evfd < 0 && errno == EINVAL) |
|
|
1206 | evfd = eventfd (0, 0); |
|
|
1207 | |
|
|
1208 | if (evfd >= 0) |
|
|
1209 | { |
2803 | { |
1210 | evpipe [0] = -1; |
2804 | uint64_t counter = 1; |
1211 | fd_intern (evfd); /* doing it twice doesn't hurt */ |
2805 | write (evpipe [1], &counter, sizeof (uint64_t)); |
1212 | ev_io_set (&pipe_w, evfd, EV_READ); |
|
|
1213 | } |
2806 | } |
1214 | else |
2807 | else |
1215 | #endif |
2808 | #endif |
1216 | { |
2809 | { |
1217 | while (pipe (evpipe)) |
2810 | #ifdef _WIN32 |
1218 | ev_syserr ("(libev) error creating signal/async pipe"); |
2811 | WSABUF buf; |
1219 | |
2812 | DWORD sent; |
1220 | fd_intern (evpipe [0]); |
2813 | buf.buf = (char *)&buf; |
1221 | fd_intern (evpipe [1]); |
2814 | buf.len = 1; |
1222 | ev_io_set (&pipe_w, evpipe [0], EV_READ); |
2815 | WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0); |
|
|
2816 | #else |
|
|
2817 | write (evpipe [1], &(evpipe [1]), 1); |
|
|
2818 | #endif |
1223 | } |
2819 | } |
1224 | |
|
|
1225 | ev_io_start (EV_A_ &pipe_w); |
|
|
1226 | ev_unref (EV_A); /* watcher should not keep loop alive */ |
|
|
1227 | } |
|
|
1228 | } |
|
|
1229 | |
|
|
1230 | inline_size void |
|
|
1231 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
|
|
1232 | { |
|
|
1233 | if (!*flag) |
|
|
1234 | { |
|
|
1235 | int old_errno = errno; /* save errno because write might clobber it */ |
|
|
1236 | |
|
|
1237 | *flag = 1; |
|
|
1238 | |
|
|
1239 | #if EV_USE_EVENTFD |
|
|
1240 | if (evfd >= 0) |
|
|
1241 | { |
|
|
1242 | uint64_t counter = 1; |
|
|
1243 | write (evfd, &counter, sizeof (uint64_t)); |
|
|
1244 | } |
|
|
1245 | else |
|
|
1246 | #endif |
|
|
1247 | write (evpipe [1], &old_errno, 1); |
|
|
1248 | |
2820 | |
1249 | errno = old_errno; |
2821 | errno = old_errno; |
1250 | } |
2822 | } |
1251 | } |
2823 | } |
1252 | |
2824 | |
… | |
… | |
1255 | static void |
2827 | static void |
1256 | pipecb (EV_P_ ev_io *iow, int revents) |
2828 | pipecb (EV_P_ ev_io *iow, int revents) |
1257 | { |
2829 | { |
1258 | int i; |
2830 | int i; |
1259 | |
2831 | |
|
|
2832 | if (revents & EV_READ) |
|
|
2833 | { |
1260 | #if EV_USE_EVENTFD |
2834 | #if EV_USE_EVENTFD |
1261 | if (evfd >= 0) |
2835 | if (evpipe [0] < 0) |
1262 | { |
2836 | { |
1263 | uint64_t counter; |
2837 | uint64_t counter; |
1264 | read (evfd, &counter, sizeof (uint64_t)); |
2838 | read (evpipe [1], &counter, sizeof (uint64_t)); |
1265 | } |
2839 | } |
1266 | else |
2840 | else |
1267 | #endif |
2841 | #endif |
1268 | { |
2842 | { |
1269 | char dummy; |
2843 | char dummy[4]; |
|
|
2844 | #ifdef _WIN32 |
|
|
2845 | WSABUF buf; |
|
|
2846 | DWORD recvd; |
|
|
2847 | DWORD flags = 0; |
|
|
2848 | buf.buf = dummy; |
|
|
2849 | buf.len = sizeof (dummy); |
|
|
2850 | WSARecv (EV_FD_TO_WIN32_HANDLE (evpipe [0]), &buf, 1, &recvd, &flags, 0, 0); |
|
|
2851 | #else |
1270 | read (evpipe [0], &dummy, 1); |
2852 | read (evpipe [0], &dummy, sizeof (dummy)); |
|
|
2853 | #endif |
|
|
2854 | } |
1271 | } |
2855 | } |
1272 | |
2856 | |
|
|
2857 | pipe_write_skipped = 0; |
|
|
2858 | |
|
|
2859 | ECB_MEMORY_FENCE; /* push out skipped, acquire flags */ |
|
|
2860 | |
|
|
2861 | #if EV_SIGNAL_ENABLE |
1273 | if (sig_pending) |
2862 | if (sig_pending) |
1274 | { |
2863 | { |
1275 | sig_pending = 0; |
2864 | sig_pending = 0; |
1276 | |
2865 | |
|
|
2866 | ECB_MEMORY_FENCE; |
|
|
2867 | |
1277 | for (i = EV_NSIG - 1; i--; ) |
2868 | for (i = EV_NSIG - 1; i--; ) |
1278 | if (expect_false (signals [i].pending)) |
2869 | if (ecb_expect_false (signals [i].pending)) |
1279 | ev_feed_signal_event (EV_A_ i + 1); |
2870 | ev_feed_signal_event (EV_A_ i + 1); |
1280 | } |
2871 | } |
|
|
2872 | #endif |
1281 | |
2873 | |
1282 | #if EV_ASYNC_ENABLE |
2874 | #if EV_ASYNC_ENABLE |
1283 | if (async_pending) |
2875 | if (async_pending) |
1284 | { |
2876 | { |
1285 | async_pending = 0; |
2877 | async_pending = 0; |
|
|
2878 | |
|
|
2879 | ECB_MEMORY_FENCE; |
1286 | |
2880 | |
1287 | for (i = asynccnt; i--; ) |
2881 | for (i = asynccnt; i--; ) |
1288 | if (asyncs [i]->sent) |
2882 | if (asyncs [i]->sent) |
1289 | { |
2883 | { |
1290 | asyncs [i]->sent = 0; |
2884 | asyncs [i]->sent = 0; |
|
|
2885 | ECB_MEMORY_FENCE_RELEASE; |
1291 | ev_feed_event (EV_A_ asyncs [i], EV_ASYNC); |
2886 | ev_feed_event (EV_A_ asyncs [i], EV_ASYNC); |
1292 | } |
2887 | } |
1293 | } |
2888 | } |
1294 | #endif |
2889 | #endif |
1295 | } |
2890 | } |
1296 | |
2891 | |
1297 | /*****************************************************************************/ |
2892 | /*****************************************************************************/ |
1298 | |
2893 | |
|
|
2894 | void |
|
|
2895 | ev_feed_signal (int signum) EV_NOEXCEPT |
|
|
2896 | { |
|
|
2897 | #if EV_MULTIPLICITY |
|
|
2898 | EV_P; |
|
|
2899 | ECB_MEMORY_FENCE_ACQUIRE; |
|
|
2900 | EV_A = signals [signum - 1].loop; |
|
|
2901 | |
|
|
2902 | if (!EV_A) |
|
|
2903 | return; |
|
|
2904 | #endif |
|
|
2905 | |
|
|
2906 | signals [signum - 1].pending = 1; |
|
|
2907 | evpipe_write (EV_A_ &sig_pending); |
|
|
2908 | } |
|
|
2909 | |
1299 | static void |
2910 | static void |
1300 | ev_sighandler (int signum) |
2911 | ev_sighandler (int signum) |
1301 | { |
2912 | { |
1302 | #if EV_MULTIPLICITY |
|
|
1303 | EV_P = signals [signum - 1].loop; |
|
|
1304 | #endif |
|
|
1305 | |
|
|
1306 | #ifdef _WIN32 |
2913 | #ifdef _WIN32 |
1307 | signal (signum, ev_sighandler); |
2914 | signal (signum, ev_sighandler); |
1308 | #endif |
2915 | #endif |
1309 | |
2916 | |
1310 | signals [signum - 1].pending = 1; |
2917 | ev_feed_signal (signum); |
1311 | evpipe_write (EV_A_ &sig_pending); |
|
|
1312 | } |
2918 | } |
1313 | |
2919 | |
1314 | void noinline |
2920 | ecb_noinline |
|
|
2921 | void |
1315 | ev_feed_signal_event (EV_P_ int signum) |
2922 | ev_feed_signal_event (EV_P_ int signum) EV_NOEXCEPT |
1316 | { |
2923 | { |
1317 | WL w; |
2924 | WL w; |
1318 | |
2925 | |
1319 | if (expect_false (signum <= 0 || signum > EV_NSIG)) |
2926 | if (ecb_expect_false (signum <= 0 || signum >= EV_NSIG)) |
1320 | return; |
2927 | return; |
1321 | |
2928 | |
1322 | --signum; |
2929 | --signum; |
1323 | |
2930 | |
1324 | #if EV_MULTIPLICITY |
2931 | #if EV_MULTIPLICITY |
1325 | /* it is permissible to try to feed a signal to the wrong loop */ |
2932 | /* it is permissible to try to feed a signal to the wrong loop */ |
1326 | /* or, likely more useful, feeding a signal nobody is waiting for */ |
2933 | /* or, likely more useful, feeding a signal nobody is waiting for */ |
1327 | |
2934 | |
1328 | if (expect_false (signals [signum].loop != EV_A)) |
2935 | if (ecb_expect_false (signals [signum].loop != EV_A)) |
1329 | return; |
2936 | return; |
1330 | #endif |
2937 | #endif |
1331 | |
2938 | |
1332 | signals [signum].pending = 0; |
2939 | signals [signum].pending = 0; |
|
|
2940 | ECB_MEMORY_FENCE_RELEASE; |
1333 | |
2941 | |
1334 | for (w = signals [signum].head; w; w = w->next) |
2942 | for (w = signals [signum].head; w; w = w->next) |
1335 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
2943 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
1336 | } |
2944 | } |
1337 | |
2945 | |
… | |
… | |
1353 | break; |
2961 | break; |
1354 | } |
2962 | } |
1355 | } |
2963 | } |
1356 | #endif |
2964 | #endif |
1357 | |
2965 | |
|
|
2966 | #endif |
|
|
2967 | |
1358 | /*****************************************************************************/ |
2968 | /*****************************************************************************/ |
1359 | |
2969 | |
|
|
2970 | #if EV_CHILD_ENABLE |
1360 | static WL childs [EV_PID_HASHSIZE]; |
2971 | static WL childs [EV_PID_HASHSIZE]; |
1361 | |
|
|
1362 | #ifndef _WIN32 |
|
|
1363 | |
2972 | |
1364 | static ev_signal childev; |
2973 | static ev_signal childev; |
1365 | |
2974 | |
1366 | #ifndef WIFCONTINUED |
2975 | #ifndef WIFCONTINUED |
1367 | # define WIFCONTINUED(status) 0 |
2976 | # define WIFCONTINUED(status) 0 |
… | |
… | |
1372 | child_reap (EV_P_ int chain, int pid, int status) |
2981 | child_reap (EV_P_ int chain, int pid, int status) |
1373 | { |
2982 | { |
1374 | ev_child *w; |
2983 | ev_child *w; |
1375 | int traced = WIFSTOPPED (status) || WIFCONTINUED (status); |
2984 | int traced = WIFSTOPPED (status) || WIFCONTINUED (status); |
1376 | |
2985 | |
1377 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
2986 | for (w = (ev_child *)childs [chain & ((EV_PID_HASHSIZE) - 1)]; w; w = (ev_child *)((WL)w)->next) |
1378 | { |
2987 | { |
1379 | if ((w->pid == pid || !w->pid) |
2988 | if ((w->pid == pid || !w->pid) |
1380 | && (!traced || (w->flags & 1))) |
2989 | && (!traced || (w->flags & 1))) |
1381 | { |
2990 | { |
1382 | ev_set_priority (w, EV_MAXPRI); /* need to do it *now*, this *must* be the same prio as the signal watcher itself */ |
2991 | ev_set_priority (w, EV_MAXPRI); /* need to do it *now*, this *must* be the same prio as the signal watcher itself */ |
… | |
… | |
1407 | /* make sure we are called again until all children have been reaped */ |
3016 | /* make sure we are called again until all children have been reaped */ |
1408 | /* we need to do it this way so that the callback gets called before we continue */ |
3017 | /* we need to do it this way so that the callback gets called before we continue */ |
1409 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
3018 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
1410 | |
3019 | |
1411 | child_reap (EV_A_ pid, pid, status); |
3020 | child_reap (EV_A_ pid, pid, status); |
1412 | if (EV_PID_HASHSIZE > 1) |
3021 | if ((EV_PID_HASHSIZE) > 1) |
1413 | child_reap (EV_A_ 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
3022 | child_reap (EV_A_ 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
1414 | } |
3023 | } |
1415 | |
3024 | |
1416 | #endif |
3025 | #endif |
1417 | |
3026 | |
1418 | /*****************************************************************************/ |
3027 | /*****************************************************************************/ |
1419 | |
3028 | |
|
|
3029 | #if EV_USE_TIMERFD |
|
|
3030 | |
|
|
3031 | static void periodics_reschedule (EV_P); |
|
|
3032 | |
|
|
3033 | static void |
|
|
3034 | timerfdcb (EV_P_ ev_io *iow, int revents) |
|
|
3035 | { |
|
|
3036 | struct itimerspec its = { 0 }; |
|
|
3037 | |
|
|
3038 | its.it_value.tv_sec = ev_rt_now + (int)MAX_BLOCKTIME2; |
|
|
3039 | timerfd_settime (timerfd, TFD_TIMER_ABSTIME | TFD_TIMER_CANCEL_ON_SET, &its, 0); |
|
|
3040 | |
|
|
3041 | ev_rt_now = ev_time (); |
|
|
3042 | /* periodics_reschedule only needs ev_rt_now */ |
|
|
3043 | /* but maybe in the future we want the full treatment. */ |
|
|
3044 | /* |
|
|
3045 | now_floor = EV_TS_CONST (0.); |
|
|
3046 | time_update (EV_A_ EV_TSTAMP_HUGE); |
|
|
3047 | */ |
|
|
3048 | #if EV_PERIODIC_ENABLE |
|
|
3049 | periodics_reschedule (EV_A); |
|
|
3050 | #endif |
|
|
3051 | } |
|
|
3052 | |
|
|
3053 | ecb_noinline ecb_cold |
|
|
3054 | static void |
|
|
3055 | evtimerfd_init (EV_P) |
|
|
3056 | { |
|
|
3057 | if (!ev_is_active (&timerfd_w)) |
|
|
3058 | { |
|
|
3059 | timerfd = timerfd_create (CLOCK_REALTIME, TFD_NONBLOCK | TFD_CLOEXEC); |
|
|
3060 | |
|
|
3061 | if (timerfd >= 0) |
|
|
3062 | { |
|
|
3063 | fd_intern (timerfd); /* just to be sure */ |
|
|
3064 | |
|
|
3065 | ev_io_init (&timerfd_w, timerfdcb, timerfd, EV_READ); |
|
|
3066 | ev_set_priority (&timerfd_w, EV_MINPRI); |
|
|
3067 | ev_io_start (EV_A_ &timerfd_w); |
|
|
3068 | ev_unref (EV_A); /* watcher should not keep loop alive */ |
|
|
3069 | |
|
|
3070 | /* (re-) arm timer */ |
|
|
3071 | timerfdcb (EV_A_ 0, 0); |
|
|
3072 | } |
|
|
3073 | } |
|
|
3074 | } |
|
|
3075 | |
|
|
3076 | #endif |
|
|
3077 | |
|
|
3078 | /*****************************************************************************/ |
|
|
3079 | |
|
|
3080 | #if EV_USE_IOCP |
|
|
3081 | # include "ev_iocp.c" |
|
|
3082 | #endif |
1420 | #if EV_USE_PORT |
3083 | #if EV_USE_PORT |
1421 | # include "ev_port.c" |
3084 | # include "ev_port.c" |
1422 | #endif |
3085 | #endif |
1423 | #if EV_USE_KQUEUE |
3086 | #if EV_USE_KQUEUE |
1424 | # include "ev_kqueue.c" |
3087 | # include "ev_kqueue.c" |
1425 | #endif |
3088 | #endif |
1426 | #if EV_USE_EPOLL |
3089 | #if EV_USE_EPOLL |
1427 | # include "ev_epoll.c" |
3090 | # include "ev_epoll.c" |
1428 | #endif |
3091 | #endif |
|
|
3092 | #if EV_USE_LINUXAIO |
|
|
3093 | # include "ev_linuxaio.c" |
|
|
3094 | #endif |
|
|
3095 | #if EV_USE_IOURING |
|
|
3096 | # include "ev_iouring.c" |
|
|
3097 | #endif |
1429 | #if EV_USE_POLL |
3098 | #if EV_USE_POLL |
1430 | # include "ev_poll.c" |
3099 | # include "ev_poll.c" |
1431 | #endif |
3100 | #endif |
1432 | #if EV_USE_SELECT |
3101 | #if EV_USE_SELECT |
1433 | # include "ev_select.c" |
3102 | # include "ev_select.c" |
1434 | #endif |
3103 | #endif |
1435 | |
3104 | |
1436 | int |
3105 | ecb_cold int |
1437 | ev_version_major (void) |
3106 | ev_version_major (void) EV_NOEXCEPT |
1438 | { |
3107 | { |
1439 | return EV_VERSION_MAJOR; |
3108 | return EV_VERSION_MAJOR; |
1440 | } |
3109 | } |
1441 | |
3110 | |
1442 | int |
3111 | ecb_cold int |
1443 | ev_version_minor (void) |
3112 | ev_version_minor (void) EV_NOEXCEPT |
1444 | { |
3113 | { |
1445 | return EV_VERSION_MINOR; |
3114 | return EV_VERSION_MINOR; |
1446 | } |
3115 | } |
1447 | |
3116 | |
1448 | /* return true if we are running with elevated privileges and should ignore env variables */ |
3117 | /* return true if we are running with elevated privileges and should ignore env variables */ |
1449 | int inline_size |
3118 | inline_size ecb_cold int |
1450 | enable_secure (void) |
3119 | enable_secure (void) |
1451 | { |
3120 | { |
1452 | #ifdef _WIN32 |
3121 | #ifdef _WIN32 |
1453 | return 0; |
3122 | return 0; |
1454 | #else |
3123 | #else |
1455 | return getuid () != geteuid () |
3124 | return getuid () != geteuid () |
1456 | || getgid () != getegid (); |
3125 | || getgid () != getegid (); |
1457 | #endif |
3126 | #endif |
1458 | } |
3127 | } |
1459 | |
3128 | |
|
|
3129 | ecb_cold |
1460 | unsigned int |
3130 | unsigned int |
1461 | ev_supported_backends (void) |
3131 | ev_supported_backends (void) EV_NOEXCEPT |
1462 | { |
3132 | { |
1463 | unsigned int flags = 0; |
3133 | unsigned int flags = 0; |
1464 | |
3134 | |
1465 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
3135 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
1466 | if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; |
3136 | if (EV_USE_KQUEUE ) flags |= EVBACKEND_KQUEUE; |
1467 | if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL; |
3137 | if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL; |
1468 | if (EV_USE_POLL ) flags |= EVBACKEND_POLL; |
3138 | if (EV_USE_LINUXAIO ) flags |= EVBACKEND_LINUXAIO; |
1469 | if (EV_USE_SELECT) flags |= EVBACKEND_SELECT; |
3139 | if (EV_USE_IOURING && ev_linux_version () >= 0x050601) flags |= EVBACKEND_IOURING; /* 5.6.1+ */ |
1470 | |
3140 | if (EV_USE_POLL ) flags |= EVBACKEND_POLL; |
|
|
3141 | if (EV_USE_SELECT ) flags |= EVBACKEND_SELECT; |
|
|
3142 | |
1471 | return flags; |
3143 | return flags; |
1472 | } |
3144 | } |
1473 | |
3145 | |
|
|
3146 | ecb_cold |
1474 | unsigned int |
3147 | unsigned int |
1475 | ev_recommended_backends (void) |
3148 | ev_recommended_backends (void) EV_NOEXCEPT |
1476 | { |
3149 | { |
1477 | unsigned int flags = ev_supported_backends (); |
3150 | unsigned int flags = ev_supported_backends (); |
1478 | |
3151 | |
1479 | #ifndef __NetBSD__ |
3152 | #ifndef __NetBSD__ |
1480 | /* kqueue is borked on everything but netbsd apparently */ |
3153 | /* kqueue is borked on everything but netbsd apparently */ |
… | |
… | |
1484 | #ifdef __APPLE__ |
3157 | #ifdef __APPLE__ |
1485 | /* only select works correctly on that "unix-certified" platform */ |
3158 | /* only select works correctly on that "unix-certified" platform */ |
1486 | flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */ |
3159 | flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */ |
1487 | flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */ |
3160 | flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */ |
1488 | #endif |
3161 | #endif |
|
|
3162 | #ifdef __FreeBSD__ |
|
|
3163 | flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */ |
|
|
3164 | #endif |
|
|
3165 | |
|
|
3166 | /* TODO: linuxaio is very experimental */ |
|
|
3167 | #if !EV_RECOMMEND_LINUXAIO |
|
|
3168 | flags &= ~EVBACKEND_LINUXAIO; |
|
|
3169 | #endif |
|
|
3170 | /* TODO: iouring is super experimental */ |
|
|
3171 | #if !EV_RECOMMEND_IOURING |
|
|
3172 | flags &= ~EVBACKEND_IOURING; |
|
|
3173 | #endif |
1489 | |
3174 | |
1490 | return flags; |
3175 | return flags; |
1491 | } |
3176 | } |
1492 | |
3177 | |
|
|
3178 | ecb_cold |
1493 | unsigned int |
3179 | unsigned int |
1494 | ev_embeddable_backends (void) |
3180 | ev_embeddable_backends (void) EV_NOEXCEPT |
1495 | { |
3181 | { |
1496 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
3182 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT | EVBACKEND_IOURING; |
1497 | |
3183 | |
1498 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
3184 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
1499 | /* please fix it and tell me how to detect the fix */ |
3185 | if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ |
1500 | flags &= ~EVBACKEND_EPOLL; |
3186 | flags &= ~EVBACKEND_EPOLL; |
|
|
3187 | |
|
|
3188 | /* EVBACKEND_LINUXAIO is theoretically embeddable, but suffers from a performance overhead */ |
1501 | |
3189 | |
1502 | return flags; |
3190 | return flags; |
1503 | } |
3191 | } |
1504 | |
3192 | |
1505 | unsigned int |
3193 | unsigned int |
1506 | ev_backend (EV_P) |
3194 | ev_backend (EV_P) EV_NOEXCEPT |
1507 | { |
3195 | { |
1508 | return backend; |
3196 | return backend; |
1509 | } |
3197 | } |
1510 | |
3198 | |
1511 | #if EV_MINIMAL < 2 |
3199 | #if EV_FEATURE_API |
1512 | unsigned int |
3200 | unsigned int |
1513 | ev_loop_count (EV_P) |
3201 | ev_iteration (EV_P) EV_NOEXCEPT |
1514 | { |
3202 | { |
1515 | return loop_count; |
3203 | return loop_count; |
1516 | } |
3204 | } |
1517 | |
3205 | |
1518 | unsigned int |
3206 | unsigned int |
1519 | ev_loop_depth (EV_P) |
3207 | ev_depth (EV_P) EV_NOEXCEPT |
1520 | { |
3208 | { |
1521 | return loop_depth; |
3209 | return loop_depth; |
1522 | } |
3210 | } |
1523 | |
3211 | |
1524 | void |
3212 | void |
1525 | ev_set_io_collect_interval (EV_P_ ev_tstamp interval) |
3213 | ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT |
1526 | { |
3214 | { |
1527 | io_blocktime = interval; |
3215 | io_blocktime = interval; |
1528 | } |
3216 | } |
1529 | |
3217 | |
1530 | void |
3218 | void |
1531 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) |
3219 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT |
1532 | { |
3220 | { |
1533 | timeout_blocktime = interval; |
3221 | timeout_blocktime = interval; |
1534 | } |
3222 | } |
1535 | |
3223 | |
1536 | void |
3224 | void |
1537 | ev_set_userdata (EV_P_ void *data) |
3225 | ev_set_userdata (EV_P_ void *data) EV_NOEXCEPT |
1538 | { |
3226 | { |
1539 | userdata = data; |
3227 | userdata = data; |
1540 | } |
3228 | } |
1541 | |
3229 | |
1542 | void * |
3230 | void * |
1543 | ev_userdata (EV_P) |
3231 | ev_userdata (EV_P) EV_NOEXCEPT |
1544 | { |
3232 | { |
1545 | return userdata; |
3233 | return userdata; |
1546 | } |
3234 | } |
1547 | |
3235 | |
|
|
3236 | void |
1548 | void ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) |
3237 | ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_NOEXCEPT |
1549 | { |
3238 | { |
1550 | invoke_cb = invoke_pending_cb; |
3239 | invoke_cb = invoke_pending_cb; |
1551 | } |
3240 | } |
1552 | |
3241 | |
|
|
3242 | void |
1553 | void ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P)) |
3243 | ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_NOEXCEPT, void (*acquire)(EV_P) EV_NOEXCEPT) EV_NOEXCEPT |
1554 | { |
3244 | { |
1555 | release_cb = release; |
3245 | release_cb = release; |
1556 | acquire_cb = acquire; |
3246 | acquire_cb = acquire; |
1557 | } |
3247 | } |
1558 | #endif |
3248 | #endif |
1559 | |
3249 | |
1560 | /* initialise a loop structure, must be zero-initialised */ |
3250 | /* initialise a loop structure, must be zero-initialised */ |
1561 | static void noinline |
3251 | ecb_noinline ecb_cold |
|
|
3252 | static void |
1562 | loop_init (EV_P_ unsigned int flags) |
3253 | loop_init (EV_P_ unsigned int flags) EV_NOEXCEPT |
1563 | { |
3254 | { |
1564 | if (!backend) |
3255 | if (!backend) |
1565 | { |
3256 | { |
|
|
3257 | origflags = flags; |
|
|
3258 | |
1566 | #if EV_USE_REALTIME |
3259 | #if EV_USE_REALTIME |
1567 | if (!have_realtime) |
3260 | if (!have_realtime) |
1568 | { |
3261 | { |
1569 | struct timespec ts; |
3262 | struct timespec ts; |
1570 | |
3263 | |
… | |
… | |
1592 | if (!(flags & EVFLAG_NOENV) |
3285 | if (!(flags & EVFLAG_NOENV) |
1593 | && !enable_secure () |
3286 | && !enable_secure () |
1594 | && getenv ("LIBEV_FLAGS")) |
3287 | && getenv ("LIBEV_FLAGS")) |
1595 | flags = atoi (getenv ("LIBEV_FLAGS")); |
3288 | flags = atoi (getenv ("LIBEV_FLAGS")); |
1596 | |
3289 | |
1597 | ev_rt_now = ev_time (); |
3290 | ev_rt_now = ev_time (); |
1598 | mn_now = get_clock (); |
3291 | mn_now = get_clock (); |
1599 | now_floor = mn_now; |
3292 | now_floor = mn_now; |
1600 | rtmn_diff = ev_rt_now - mn_now; |
3293 | rtmn_diff = ev_rt_now - mn_now; |
1601 | #if EV_MINIMAL < 2 |
3294 | #if EV_FEATURE_API |
1602 | invoke_cb = ev_invoke_pending; |
3295 | invoke_cb = ev_invoke_pending; |
1603 | #endif |
3296 | #endif |
1604 | |
3297 | |
1605 | io_blocktime = 0.; |
3298 | io_blocktime = 0.; |
1606 | timeout_blocktime = 0.; |
3299 | timeout_blocktime = 0.; |
1607 | backend = 0; |
3300 | backend = 0; |
1608 | backend_fd = -1; |
3301 | backend_fd = -1; |
1609 | sig_pending = 0; |
3302 | sig_pending = 0; |
1610 | #if EV_ASYNC_ENABLE |
3303 | #if EV_ASYNC_ENABLE |
1611 | async_pending = 0; |
3304 | async_pending = 0; |
1612 | #endif |
3305 | #endif |
|
|
3306 | pipe_write_skipped = 0; |
|
|
3307 | pipe_write_wanted = 0; |
|
|
3308 | evpipe [0] = -1; |
|
|
3309 | evpipe [1] = -1; |
1613 | #if EV_USE_INOTIFY |
3310 | #if EV_USE_INOTIFY |
1614 | fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2; |
3311 | fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2; |
1615 | #endif |
3312 | #endif |
1616 | #if EV_USE_SIGNALFD |
3313 | #if EV_USE_SIGNALFD |
1617 | sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1; |
3314 | sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1; |
1618 | #endif |
3315 | #endif |
|
|
3316 | #if EV_USE_TIMERFD |
|
|
3317 | timerfd = flags & EVFLAG_NOTIMERFD ? -1 : -2; |
|
|
3318 | #endif |
1619 | |
3319 | |
1620 | if (!(flags & 0x0000ffffU)) |
3320 | if (!(flags & EVBACKEND_MASK)) |
1621 | flags |= ev_recommended_backends (); |
3321 | flags |= ev_recommended_backends (); |
1622 | |
3322 | |
|
|
3323 | #if EV_USE_IOCP |
|
|
3324 | if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags); |
|
|
3325 | #endif |
1623 | #if EV_USE_PORT |
3326 | #if EV_USE_PORT |
1624 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
3327 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
1625 | #endif |
3328 | #endif |
1626 | #if EV_USE_KQUEUE |
3329 | #if EV_USE_KQUEUE |
1627 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
3330 | if (!backend && (flags & EVBACKEND_KQUEUE )) backend = kqueue_init (EV_A_ flags); |
|
|
3331 | #endif |
|
|
3332 | #if EV_USE_IOURING |
|
|
3333 | if (!backend && (flags & EVBACKEND_IOURING )) backend = iouring_init (EV_A_ flags); |
|
|
3334 | #endif |
|
|
3335 | #if EV_USE_LINUXAIO |
|
|
3336 | if (!backend && (flags & EVBACKEND_LINUXAIO)) backend = linuxaio_init (EV_A_ flags); |
1628 | #endif |
3337 | #endif |
1629 | #if EV_USE_EPOLL |
3338 | #if EV_USE_EPOLL |
1630 | if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags); |
3339 | if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags); |
1631 | #endif |
3340 | #endif |
1632 | #if EV_USE_POLL |
3341 | #if EV_USE_POLL |
1633 | if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags); |
3342 | if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags); |
1634 | #endif |
3343 | #endif |
1635 | #if EV_USE_SELECT |
3344 | #if EV_USE_SELECT |
1636 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
3345 | if (!backend && (flags & EVBACKEND_SELECT )) backend = select_init (EV_A_ flags); |
1637 | #endif |
3346 | #endif |
1638 | |
3347 | |
1639 | ev_prepare_init (&pending_w, pendingcb); |
3348 | ev_prepare_init (&pending_w, pendingcb); |
1640 | |
3349 | |
|
|
3350 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
1641 | ev_init (&pipe_w, pipecb); |
3351 | ev_init (&pipe_w, pipecb); |
1642 | ev_set_priority (&pipe_w, EV_MAXPRI); |
3352 | ev_set_priority (&pipe_w, EV_MAXPRI); |
|
|
3353 | #endif |
1643 | } |
3354 | } |
1644 | } |
3355 | } |
1645 | |
3356 | |
1646 | /* free up a loop structure */ |
3357 | /* free up a loop structure */ |
1647 | static void noinline |
3358 | ecb_cold |
|
|
3359 | void |
1648 | loop_destroy (EV_P) |
3360 | ev_loop_destroy (EV_P) |
1649 | { |
3361 | { |
1650 | int i; |
3362 | int i; |
|
|
3363 | |
|
|
3364 | #if EV_MULTIPLICITY |
|
|
3365 | /* mimic free (0) */ |
|
|
3366 | if (!EV_A) |
|
|
3367 | return; |
|
|
3368 | #endif |
|
|
3369 | |
|
|
3370 | #if EV_CLEANUP_ENABLE |
|
|
3371 | /* queue cleanup watchers (and execute them) */ |
|
|
3372 | if (ecb_expect_false (cleanupcnt)) |
|
|
3373 | { |
|
|
3374 | queue_events (EV_A_ (W *)cleanups, cleanupcnt, EV_CLEANUP); |
|
|
3375 | EV_INVOKE_PENDING; |
|
|
3376 | } |
|
|
3377 | #endif |
|
|
3378 | |
|
|
3379 | #if EV_CHILD_ENABLE |
|
|
3380 | if (ev_is_default_loop (EV_A) && ev_is_active (&childev)) |
|
|
3381 | { |
|
|
3382 | ev_ref (EV_A); /* child watcher */ |
|
|
3383 | ev_signal_stop (EV_A_ &childev); |
|
|
3384 | } |
|
|
3385 | #endif |
1651 | |
3386 | |
1652 | if (ev_is_active (&pipe_w)) |
3387 | if (ev_is_active (&pipe_w)) |
1653 | { |
3388 | { |
1654 | /*ev_ref (EV_A);*/ |
3389 | /*ev_ref (EV_A);*/ |
1655 | /*ev_io_stop (EV_A_ &pipe_w);*/ |
3390 | /*ev_io_stop (EV_A_ &pipe_w);*/ |
1656 | |
3391 | |
1657 | #if EV_USE_EVENTFD |
|
|
1658 | if (evfd >= 0) |
|
|
1659 | close (evfd); |
|
|
1660 | #endif |
|
|
1661 | |
|
|
1662 | if (evpipe [0] >= 0) |
|
|
1663 | { |
|
|
1664 | EV_WIN32_CLOSE_FD (evpipe [0]); |
3392 | if (evpipe [0] >= 0) EV_WIN32_CLOSE_FD (evpipe [0]); |
1665 | EV_WIN32_CLOSE_FD (evpipe [1]); |
3393 | if (evpipe [1] >= 0) EV_WIN32_CLOSE_FD (evpipe [1]); |
1666 | } |
|
|
1667 | } |
3394 | } |
1668 | |
3395 | |
1669 | #if EV_USE_SIGNALFD |
3396 | #if EV_USE_SIGNALFD |
1670 | if (ev_is_active (&sigfd_w)) |
3397 | if (ev_is_active (&sigfd_w)) |
1671 | close (sigfd); |
3398 | close (sigfd); |
1672 | #endif |
3399 | #endif |
1673 | |
3400 | |
|
|
3401 | #if EV_USE_TIMERFD |
|
|
3402 | if (ev_is_active (&timerfd_w)) |
|
|
3403 | close (timerfd); |
|
|
3404 | #endif |
|
|
3405 | |
1674 | #if EV_USE_INOTIFY |
3406 | #if EV_USE_INOTIFY |
1675 | if (fs_fd >= 0) |
3407 | if (fs_fd >= 0) |
1676 | close (fs_fd); |
3408 | close (fs_fd); |
1677 | #endif |
3409 | #endif |
1678 | |
3410 | |
1679 | if (backend_fd >= 0) |
3411 | if (backend_fd >= 0) |
1680 | close (backend_fd); |
3412 | close (backend_fd); |
1681 | |
3413 | |
|
|
3414 | #if EV_USE_IOCP |
|
|
3415 | if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A); |
|
|
3416 | #endif |
1682 | #if EV_USE_PORT |
3417 | #if EV_USE_PORT |
1683 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
3418 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
1684 | #endif |
3419 | #endif |
1685 | #if EV_USE_KQUEUE |
3420 | #if EV_USE_KQUEUE |
1686 | if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); |
3421 | if (backend == EVBACKEND_KQUEUE ) kqueue_destroy (EV_A); |
|
|
3422 | #endif |
|
|
3423 | #if EV_USE_IOURING |
|
|
3424 | if (backend == EVBACKEND_IOURING ) iouring_destroy (EV_A); |
|
|
3425 | #endif |
|
|
3426 | #if EV_USE_LINUXAIO |
|
|
3427 | if (backend == EVBACKEND_LINUXAIO) linuxaio_destroy (EV_A); |
1687 | #endif |
3428 | #endif |
1688 | #if EV_USE_EPOLL |
3429 | #if EV_USE_EPOLL |
1689 | if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A); |
3430 | if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A); |
1690 | #endif |
3431 | #endif |
1691 | #if EV_USE_POLL |
3432 | #if EV_USE_POLL |
1692 | if (backend == EVBACKEND_POLL ) poll_destroy (EV_A); |
3433 | if (backend == EVBACKEND_POLL ) poll_destroy (EV_A); |
1693 | #endif |
3434 | #endif |
1694 | #if EV_USE_SELECT |
3435 | #if EV_USE_SELECT |
1695 | if (backend == EVBACKEND_SELECT) select_destroy (EV_A); |
3436 | if (backend == EVBACKEND_SELECT ) select_destroy (EV_A); |
1696 | #endif |
3437 | #endif |
1697 | |
3438 | |
1698 | for (i = NUMPRI; i--; ) |
3439 | for (i = NUMPRI; i--; ) |
1699 | { |
3440 | { |
1700 | array_free (pending, [i]); |
3441 | array_free (pending, [i]); |
… | |
… | |
1713 | array_free (periodic, EMPTY); |
3454 | array_free (periodic, EMPTY); |
1714 | #endif |
3455 | #endif |
1715 | #if EV_FORK_ENABLE |
3456 | #if EV_FORK_ENABLE |
1716 | array_free (fork, EMPTY); |
3457 | array_free (fork, EMPTY); |
1717 | #endif |
3458 | #endif |
|
|
3459 | #if EV_CLEANUP_ENABLE |
|
|
3460 | array_free (cleanup, EMPTY); |
|
|
3461 | #endif |
1718 | array_free (prepare, EMPTY); |
3462 | array_free (prepare, EMPTY); |
1719 | array_free (check, EMPTY); |
3463 | array_free (check, EMPTY); |
1720 | #if EV_ASYNC_ENABLE |
3464 | #if EV_ASYNC_ENABLE |
1721 | array_free (async, EMPTY); |
3465 | array_free (async, EMPTY); |
1722 | #endif |
3466 | #endif |
1723 | |
3467 | |
1724 | backend = 0; |
3468 | backend = 0; |
|
|
3469 | |
|
|
3470 | #if EV_MULTIPLICITY |
|
|
3471 | if (ev_is_default_loop (EV_A)) |
|
|
3472 | #endif |
|
|
3473 | ev_default_loop_ptr = 0; |
|
|
3474 | #if EV_MULTIPLICITY |
|
|
3475 | else |
|
|
3476 | ev_free (EV_A); |
|
|
3477 | #endif |
1725 | } |
3478 | } |
1726 | |
3479 | |
1727 | #if EV_USE_INOTIFY |
3480 | #if EV_USE_INOTIFY |
1728 | inline_size void infy_fork (EV_P); |
3481 | inline_size void infy_fork (EV_P); |
1729 | #endif |
3482 | #endif |
1730 | |
3483 | |
1731 | inline_size void |
3484 | inline_size void |
1732 | loop_fork (EV_P) |
3485 | loop_fork (EV_P) |
1733 | { |
3486 | { |
1734 | #if EV_USE_PORT |
3487 | #if EV_USE_PORT |
1735 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
3488 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
1736 | #endif |
3489 | #endif |
1737 | #if EV_USE_KQUEUE |
3490 | #if EV_USE_KQUEUE |
1738 | if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A); |
3491 | if (backend == EVBACKEND_KQUEUE ) kqueue_fork (EV_A); |
|
|
3492 | #endif |
|
|
3493 | #if EV_USE_IOURING |
|
|
3494 | if (backend == EVBACKEND_IOURING ) iouring_fork (EV_A); |
|
|
3495 | #endif |
|
|
3496 | #if EV_USE_LINUXAIO |
|
|
3497 | if (backend == EVBACKEND_LINUXAIO) linuxaio_fork (EV_A); |
1739 | #endif |
3498 | #endif |
1740 | #if EV_USE_EPOLL |
3499 | #if EV_USE_EPOLL |
1741 | if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A); |
3500 | if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A); |
1742 | #endif |
3501 | #endif |
1743 | #if EV_USE_INOTIFY |
3502 | #if EV_USE_INOTIFY |
1744 | infy_fork (EV_A); |
3503 | infy_fork (EV_A); |
1745 | #endif |
3504 | #endif |
1746 | |
3505 | |
|
|
3506 | if (postfork != 2) |
|
|
3507 | { |
|
|
3508 | #if EV_USE_SIGNALFD |
|
|
3509 | /* surprisingly, nothing needs to be done for signalfd, accoridng to docs, it does the right thing on fork */ |
|
|
3510 | #endif |
|
|
3511 | |
|
|
3512 | #if EV_USE_TIMERFD |
|
|
3513 | if (ev_is_active (&timerfd_w)) |
|
|
3514 | { |
|
|
3515 | ev_ref (EV_A); |
|
|
3516 | ev_io_stop (EV_A_ &timerfd_w); |
|
|
3517 | |
|
|
3518 | close (timerfd); |
|
|
3519 | timerfd = -2; |
|
|
3520 | |
|
|
3521 | evtimerfd_init (EV_A); |
|
|
3522 | /* reschedule periodics, in case we missed something */ |
|
|
3523 | ev_feed_event (EV_A_ &timerfd_w, EV_CUSTOM); |
|
|
3524 | } |
|
|
3525 | #endif |
|
|
3526 | |
|
|
3527 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
1747 | if (ev_is_active (&pipe_w)) |
3528 | if (ev_is_active (&pipe_w)) |
1748 | { |
3529 | { |
1749 | /* this "locks" the handlers against writing to the pipe */ |
3530 | /* pipe_write_wanted must be false now, so modifying fd vars should be safe */ |
1750 | /* while we modify the fd vars */ |
3531 | |
1751 | sig_pending = 1; |
|
|
1752 | #if EV_ASYNC_ENABLE |
|
|
1753 | async_pending = 1; |
|
|
1754 | #endif |
|
|
1755 | |
|
|
1756 | ev_ref (EV_A); |
3532 | ev_ref (EV_A); |
1757 | ev_io_stop (EV_A_ &pipe_w); |
3533 | ev_io_stop (EV_A_ &pipe_w); |
1758 | |
3534 | |
1759 | #if EV_USE_EVENTFD |
|
|
1760 | if (evfd >= 0) |
|
|
1761 | close (evfd); |
|
|
1762 | #endif |
|
|
1763 | |
|
|
1764 | if (evpipe [0] >= 0) |
3535 | if (evpipe [0] >= 0) |
1765 | { |
|
|
1766 | EV_WIN32_CLOSE_FD (evpipe [0]); |
3536 | EV_WIN32_CLOSE_FD (evpipe [0]); |
1767 | EV_WIN32_CLOSE_FD (evpipe [1]); |
3537 | |
|
|
3538 | evpipe_init (EV_A); |
|
|
3539 | /* iterate over everything, in case we missed something before */ |
|
|
3540 | ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM); |
1768 | } |
3541 | } |
1769 | |
3542 | #endif |
1770 | evpipe_init (EV_A); |
|
|
1771 | /* now iterate over everything, in case we missed something */ |
|
|
1772 | pipecb (EV_A_ &pipe_w, EV_READ); |
|
|
1773 | } |
3543 | } |
1774 | |
3544 | |
1775 | postfork = 0; |
3545 | postfork = 0; |
1776 | } |
3546 | } |
1777 | |
3547 | |
1778 | #if EV_MULTIPLICITY |
3548 | #if EV_MULTIPLICITY |
1779 | |
3549 | |
|
|
3550 | ecb_cold |
1780 | struct ev_loop * |
3551 | struct ev_loop * |
1781 | ev_loop_new (unsigned int flags) |
3552 | ev_loop_new (unsigned int flags) EV_NOEXCEPT |
1782 | { |
3553 | { |
1783 | EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
3554 | EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
1784 | |
3555 | |
1785 | memset (EV_A, 0, sizeof (struct ev_loop)); |
3556 | memset (EV_A, 0, sizeof (struct ev_loop)); |
1786 | loop_init (EV_A_ flags); |
3557 | loop_init (EV_A_ flags); |
1787 | |
3558 | |
1788 | if (ev_backend (EV_A)) |
3559 | if (ev_backend (EV_A)) |
1789 | return EV_A; |
3560 | return EV_A; |
1790 | |
3561 | |
|
|
3562 | ev_free (EV_A); |
1791 | return 0; |
3563 | return 0; |
1792 | } |
3564 | } |
1793 | |
3565 | |
1794 | void |
|
|
1795 | ev_loop_destroy (EV_P) |
|
|
1796 | { |
|
|
1797 | loop_destroy (EV_A); |
|
|
1798 | ev_free (loop); |
|
|
1799 | } |
|
|
1800 | |
|
|
1801 | void |
|
|
1802 | ev_loop_fork (EV_P) |
|
|
1803 | { |
|
|
1804 | postfork = 1; /* must be in line with ev_default_fork */ |
|
|
1805 | } |
|
|
1806 | #endif /* multiplicity */ |
3566 | #endif /* multiplicity */ |
1807 | |
3567 | |
1808 | #if EV_VERIFY |
3568 | #if EV_VERIFY |
1809 | static void noinline |
3569 | ecb_noinline ecb_cold |
|
|
3570 | static void |
1810 | verify_watcher (EV_P_ W w) |
3571 | verify_watcher (EV_P_ W w) |
1811 | { |
3572 | { |
1812 | assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
3573 | assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
1813 | |
3574 | |
1814 | if (w->pending) |
3575 | if (w->pending) |
1815 | assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
3576 | assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
1816 | } |
3577 | } |
1817 | |
3578 | |
1818 | static void noinline |
3579 | ecb_noinline ecb_cold |
|
|
3580 | static void |
1819 | verify_heap (EV_P_ ANHE *heap, int N) |
3581 | verify_heap (EV_P_ ANHE *heap, int N) |
1820 | { |
3582 | { |
1821 | int i; |
3583 | int i; |
1822 | |
3584 | |
1823 | for (i = HEAP0; i < N + HEAP0; ++i) |
3585 | for (i = HEAP0; i < N + HEAP0; ++i) |
… | |
… | |
1828 | |
3590 | |
1829 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
3591 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
1830 | } |
3592 | } |
1831 | } |
3593 | } |
1832 | |
3594 | |
1833 | static void noinline |
3595 | ecb_noinline ecb_cold |
|
|
3596 | static void |
1834 | array_verify (EV_P_ W *ws, int cnt) |
3597 | array_verify (EV_P_ W *ws, int cnt) |
1835 | { |
3598 | { |
1836 | while (cnt--) |
3599 | while (cnt--) |
1837 | { |
3600 | { |
1838 | assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1)); |
3601 | assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1)); |
1839 | verify_watcher (EV_A_ ws [cnt]); |
3602 | verify_watcher (EV_A_ ws [cnt]); |
1840 | } |
3603 | } |
1841 | } |
3604 | } |
1842 | #endif |
3605 | #endif |
1843 | |
3606 | |
1844 | #if EV_MINIMAL < 2 |
3607 | #if EV_FEATURE_API |
1845 | void |
3608 | void ecb_cold |
1846 | ev_loop_verify (EV_P) |
3609 | ev_verify (EV_P) EV_NOEXCEPT |
1847 | { |
3610 | { |
1848 | #if EV_VERIFY |
3611 | #if EV_VERIFY |
1849 | int i; |
3612 | int i; |
1850 | WL w; |
3613 | WL w, w2; |
1851 | |
3614 | |
1852 | assert (activecnt >= -1); |
3615 | assert (activecnt >= -1); |
1853 | |
3616 | |
1854 | assert (fdchangemax >= fdchangecnt); |
3617 | assert (fdchangemax >= fdchangecnt); |
1855 | for (i = 0; i < fdchangecnt; ++i) |
3618 | for (i = 0; i < fdchangecnt; ++i) |
1856 | assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0)); |
3619 | assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0)); |
1857 | |
3620 | |
1858 | assert (anfdmax >= 0); |
3621 | assert (anfdmax >= 0); |
1859 | for (i = 0; i < anfdmax; ++i) |
3622 | for (i = 0; i < anfdmax; ++i) |
|
|
3623 | { |
|
|
3624 | int j = 0; |
|
|
3625 | |
1860 | for (w = anfds [i].head; w; w = w->next) |
3626 | for (w = w2 = anfds [i].head; w; w = w->next) |
1861 | { |
3627 | { |
1862 | verify_watcher (EV_A_ (W)w); |
3628 | verify_watcher (EV_A_ (W)w); |
|
|
3629 | |
|
|
3630 | if (j++ & 1) |
|
|
3631 | { |
|
|
3632 | assert (("libev: io watcher list contains a loop", w != w2)); |
|
|
3633 | w2 = w2->next; |
|
|
3634 | } |
|
|
3635 | |
1863 | assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1)); |
3636 | assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1)); |
1864 | assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i)); |
3637 | assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i)); |
1865 | } |
3638 | } |
|
|
3639 | } |
1866 | |
3640 | |
1867 | assert (timermax >= timercnt); |
3641 | assert (timermax >= timercnt); |
1868 | verify_heap (EV_A_ timers, timercnt); |
3642 | verify_heap (EV_A_ timers, timercnt); |
1869 | |
3643 | |
1870 | #if EV_PERIODIC_ENABLE |
3644 | #if EV_PERIODIC_ENABLE |
… | |
… | |
1885 | #if EV_FORK_ENABLE |
3659 | #if EV_FORK_ENABLE |
1886 | assert (forkmax >= forkcnt); |
3660 | assert (forkmax >= forkcnt); |
1887 | array_verify (EV_A_ (W *)forks, forkcnt); |
3661 | array_verify (EV_A_ (W *)forks, forkcnt); |
1888 | #endif |
3662 | #endif |
1889 | |
3663 | |
|
|
3664 | #if EV_CLEANUP_ENABLE |
|
|
3665 | assert (cleanupmax >= cleanupcnt); |
|
|
3666 | array_verify (EV_A_ (W *)cleanups, cleanupcnt); |
|
|
3667 | #endif |
|
|
3668 | |
1890 | #if EV_ASYNC_ENABLE |
3669 | #if EV_ASYNC_ENABLE |
1891 | assert (asyncmax >= asynccnt); |
3670 | assert (asyncmax >= asynccnt); |
1892 | array_verify (EV_A_ (W *)asyncs, asynccnt); |
3671 | array_verify (EV_A_ (W *)asyncs, asynccnt); |
1893 | #endif |
3672 | #endif |
1894 | |
3673 | |
|
|
3674 | #if EV_PREPARE_ENABLE |
1895 | assert (preparemax >= preparecnt); |
3675 | assert (preparemax >= preparecnt); |
1896 | array_verify (EV_A_ (W *)prepares, preparecnt); |
3676 | array_verify (EV_A_ (W *)prepares, preparecnt); |
|
|
3677 | #endif |
1897 | |
3678 | |
|
|
3679 | #if EV_CHECK_ENABLE |
1898 | assert (checkmax >= checkcnt); |
3680 | assert (checkmax >= checkcnt); |
1899 | array_verify (EV_A_ (W *)checks, checkcnt); |
3681 | array_verify (EV_A_ (W *)checks, checkcnt); |
|
|
3682 | #endif |
1900 | |
3683 | |
1901 | # if 0 |
3684 | # if 0 |
|
|
3685 | #if EV_CHILD_ENABLE |
1902 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
3686 | for (w = (ev_child *)childs [chain & ((EV_PID_HASHSIZE) - 1)]; w; w = (ev_child *)((WL)w)->next) |
1903 | for (signum = EV_NSIG; signum--; ) if (signals [signum].pending) |
3687 | for (signum = EV_NSIG; signum--; ) if (signals [signum].pending) |
|
|
3688 | #endif |
1904 | # endif |
3689 | # endif |
1905 | #endif |
3690 | #endif |
1906 | } |
3691 | } |
1907 | #endif |
3692 | #endif |
1908 | |
3693 | |
1909 | #if EV_MULTIPLICITY |
3694 | #if EV_MULTIPLICITY |
|
|
3695 | ecb_cold |
1910 | struct ev_loop * |
3696 | struct ev_loop * |
1911 | ev_default_loop_init (unsigned int flags) |
|
|
1912 | #else |
3697 | #else |
1913 | int |
3698 | int |
|
|
3699 | #endif |
1914 | ev_default_loop (unsigned int flags) |
3700 | ev_default_loop (unsigned int flags) EV_NOEXCEPT |
1915 | #endif |
|
|
1916 | { |
3701 | { |
1917 | if (!ev_default_loop_ptr) |
3702 | if (!ev_default_loop_ptr) |
1918 | { |
3703 | { |
1919 | #if EV_MULTIPLICITY |
3704 | #if EV_MULTIPLICITY |
1920 | EV_P = ev_default_loop_ptr = &default_loop_struct; |
3705 | EV_P = ev_default_loop_ptr = &default_loop_struct; |
… | |
… | |
1924 | |
3709 | |
1925 | loop_init (EV_A_ flags); |
3710 | loop_init (EV_A_ flags); |
1926 | |
3711 | |
1927 | if (ev_backend (EV_A)) |
3712 | if (ev_backend (EV_A)) |
1928 | { |
3713 | { |
1929 | #ifndef _WIN32 |
3714 | #if EV_CHILD_ENABLE |
1930 | ev_signal_init (&childev, childcb, SIGCHLD); |
3715 | ev_signal_init (&childev, childcb, SIGCHLD); |
1931 | ev_set_priority (&childev, EV_MAXPRI); |
3716 | ev_set_priority (&childev, EV_MAXPRI); |
1932 | ev_signal_start (EV_A_ &childev); |
3717 | ev_signal_start (EV_A_ &childev); |
1933 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
3718 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
1934 | #endif |
3719 | #endif |
… | |
… | |
1939 | |
3724 | |
1940 | return ev_default_loop_ptr; |
3725 | return ev_default_loop_ptr; |
1941 | } |
3726 | } |
1942 | |
3727 | |
1943 | void |
3728 | void |
1944 | ev_default_destroy (void) |
3729 | ev_loop_fork (EV_P) EV_NOEXCEPT |
1945 | { |
3730 | { |
1946 | #if EV_MULTIPLICITY |
3731 | postfork = 1; |
1947 | EV_P = ev_default_loop_ptr; |
|
|
1948 | #endif |
|
|
1949 | |
|
|
1950 | ev_default_loop_ptr = 0; |
|
|
1951 | |
|
|
1952 | #ifndef _WIN32 |
|
|
1953 | ev_ref (EV_A); /* child watcher */ |
|
|
1954 | ev_signal_stop (EV_A_ &childev); |
|
|
1955 | #endif |
|
|
1956 | |
|
|
1957 | loop_destroy (EV_A); |
|
|
1958 | } |
|
|
1959 | |
|
|
1960 | void |
|
|
1961 | ev_default_fork (void) |
|
|
1962 | { |
|
|
1963 | #if EV_MULTIPLICITY |
|
|
1964 | EV_P = ev_default_loop_ptr; |
|
|
1965 | #endif |
|
|
1966 | |
|
|
1967 | postfork = 1; /* must be in line with ev_loop_fork */ |
|
|
1968 | } |
3732 | } |
1969 | |
3733 | |
1970 | /*****************************************************************************/ |
3734 | /*****************************************************************************/ |
1971 | |
3735 | |
1972 | void |
3736 | void |
… | |
… | |
1974 | { |
3738 | { |
1975 | EV_CB_INVOKE ((W)w, revents); |
3739 | EV_CB_INVOKE ((W)w, revents); |
1976 | } |
3740 | } |
1977 | |
3741 | |
1978 | unsigned int |
3742 | unsigned int |
1979 | ev_pending_count (EV_P) |
3743 | ev_pending_count (EV_P) EV_NOEXCEPT |
1980 | { |
3744 | { |
1981 | int pri; |
3745 | int pri; |
1982 | unsigned int count = 0; |
3746 | unsigned int count = 0; |
1983 | |
3747 | |
1984 | for (pri = NUMPRI; pri--; ) |
3748 | for (pri = NUMPRI; pri--; ) |
1985 | count += pendingcnt [pri]; |
3749 | count += pendingcnt [pri]; |
1986 | |
3750 | |
1987 | return count; |
3751 | return count; |
1988 | } |
3752 | } |
1989 | |
3753 | |
1990 | void noinline |
3754 | ecb_noinline |
|
|
3755 | void |
1991 | ev_invoke_pending (EV_P) |
3756 | ev_invoke_pending (EV_P) |
1992 | { |
3757 | { |
1993 | int pri; |
3758 | pendingpri = NUMPRI; |
1994 | |
3759 | |
1995 | for (pri = NUMPRI; pri--; ) |
3760 | do |
|
|
3761 | { |
|
|
3762 | --pendingpri; |
|
|
3763 | |
|
|
3764 | /* pendingpri possibly gets modified in the inner loop */ |
1996 | while (pendingcnt [pri]) |
3765 | while (pendingcnt [pendingpri]) |
1997 | { |
3766 | { |
1998 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
3767 | ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri]; |
1999 | |
3768 | |
2000 | /*assert (("libev: non-pending watcher on pending list", p->w->pending));*/ |
|
|
2001 | /* ^ this is no longer true, as pending_w could be here */ |
|
|
2002 | |
|
|
2003 | p->w->pending = 0; |
3769 | p->w->pending = 0; |
2004 | EV_CB_INVOKE (p->w, p->events); |
3770 | EV_CB_INVOKE (p->w, p->events); |
2005 | EV_FREQUENT_CHECK; |
3771 | EV_FREQUENT_CHECK; |
2006 | } |
3772 | } |
|
|
3773 | } |
|
|
3774 | while (pendingpri); |
2007 | } |
3775 | } |
2008 | |
3776 | |
2009 | #if EV_IDLE_ENABLE |
3777 | #if EV_IDLE_ENABLE |
2010 | /* make idle watchers pending. this handles the "call-idle */ |
3778 | /* make idle watchers pending. this handles the "call-idle */ |
2011 | /* only when higher priorities are idle" logic */ |
3779 | /* only when higher priorities are idle" logic */ |
2012 | inline_size void |
3780 | inline_size void |
2013 | idle_reify (EV_P) |
3781 | idle_reify (EV_P) |
2014 | { |
3782 | { |
2015 | if (expect_false (idleall)) |
3783 | if (ecb_expect_false (idleall)) |
2016 | { |
3784 | { |
2017 | int pri; |
3785 | int pri; |
2018 | |
3786 | |
2019 | for (pri = NUMPRI; pri--; ) |
3787 | for (pri = NUMPRI; pri--; ) |
2020 | { |
3788 | { |
… | |
… | |
2050 | { |
3818 | { |
2051 | ev_at (w) += w->repeat; |
3819 | ev_at (w) += w->repeat; |
2052 | if (ev_at (w) < mn_now) |
3820 | if (ev_at (w) < mn_now) |
2053 | ev_at (w) = mn_now; |
3821 | ev_at (w) = mn_now; |
2054 | |
3822 | |
2055 | assert (("libev: negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
3823 | assert (("libev: negative ev_timer repeat value found while processing timers", w->repeat > EV_TS_CONST (0.))); |
2056 | |
3824 | |
2057 | ANHE_at_cache (timers [HEAP0]); |
3825 | ANHE_at_cache (timers [HEAP0]); |
2058 | downheap (timers, timercnt, HEAP0); |
3826 | downheap (timers, timercnt, HEAP0); |
2059 | } |
3827 | } |
2060 | else |
3828 | else |
… | |
… | |
2063 | EV_FREQUENT_CHECK; |
3831 | EV_FREQUENT_CHECK; |
2064 | feed_reverse (EV_A_ (W)w); |
3832 | feed_reverse (EV_A_ (W)w); |
2065 | } |
3833 | } |
2066 | while (timercnt && ANHE_at (timers [HEAP0]) < mn_now); |
3834 | while (timercnt && ANHE_at (timers [HEAP0]) < mn_now); |
2067 | |
3835 | |
2068 | feed_reverse_done (EV_A_ EV_TIMEOUT); |
3836 | feed_reverse_done (EV_A_ EV_TIMER); |
2069 | } |
3837 | } |
2070 | } |
3838 | } |
2071 | |
3839 | |
2072 | #if EV_PERIODIC_ENABLE |
3840 | #if EV_PERIODIC_ENABLE |
|
|
3841 | |
|
|
3842 | ecb_noinline |
|
|
3843 | static void |
|
|
3844 | periodic_recalc (EV_P_ ev_periodic *w) |
|
|
3845 | { |
|
|
3846 | ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL; |
|
|
3847 | ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval); |
|
|
3848 | |
|
|
3849 | /* the above almost always errs on the low side */ |
|
|
3850 | while (at <= ev_rt_now) |
|
|
3851 | { |
|
|
3852 | ev_tstamp nat = at + w->interval; |
|
|
3853 | |
|
|
3854 | /* when resolution fails us, we use ev_rt_now */ |
|
|
3855 | if (ecb_expect_false (nat == at)) |
|
|
3856 | { |
|
|
3857 | at = ev_rt_now; |
|
|
3858 | break; |
|
|
3859 | } |
|
|
3860 | |
|
|
3861 | at = nat; |
|
|
3862 | } |
|
|
3863 | |
|
|
3864 | ev_at (w) = at; |
|
|
3865 | } |
|
|
3866 | |
2073 | /* make periodics pending */ |
3867 | /* make periodics pending */ |
2074 | inline_size void |
3868 | inline_size void |
2075 | periodics_reify (EV_P) |
3869 | periodics_reify (EV_P) |
2076 | { |
3870 | { |
2077 | EV_FREQUENT_CHECK; |
3871 | EV_FREQUENT_CHECK; |
2078 | |
3872 | |
2079 | while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now) |
3873 | while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now) |
2080 | { |
3874 | { |
2081 | int feed_count = 0; |
|
|
2082 | |
|
|
2083 | do |
3875 | do |
2084 | { |
3876 | { |
2085 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]); |
3877 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]); |
2086 | |
3878 | |
2087 | /*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/ |
3879 | /*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/ |
… | |
… | |
2096 | ANHE_at_cache (periodics [HEAP0]); |
3888 | ANHE_at_cache (periodics [HEAP0]); |
2097 | downheap (periodics, periodiccnt, HEAP0); |
3889 | downheap (periodics, periodiccnt, HEAP0); |
2098 | } |
3890 | } |
2099 | else if (w->interval) |
3891 | else if (w->interval) |
2100 | { |
3892 | { |
2101 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
3893 | periodic_recalc (EV_A_ w); |
2102 | /* if next trigger time is not sufficiently in the future, put it there */ |
|
|
2103 | /* this might happen because of floating point inexactness */ |
|
|
2104 | if (ev_at (w) - ev_rt_now < TIME_EPSILON) |
|
|
2105 | { |
|
|
2106 | ev_at (w) += w->interval; |
|
|
2107 | |
|
|
2108 | /* if interval is unreasonably low we might still have a time in the past */ |
|
|
2109 | /* so correct this. this will make the periodic very inexact, but the user */ |
|
|
2110 | /* has effectively asked to get triggered more often than possible */ |
|
|
2111 | if (ev_at (w) < ev_rt_now) |
|
|
2112 | ev_at (w) = ev_rt_now; |
|
|
2113 | } |
|
|
2114 | |
|
|
2115 | ANHE_at_cache (periodics [HEAP0]); |
3894 | ANHE_at_cache (periodics [HEAP0]); |
2116 | downheap (periodics, periodiccnt, HEAP0); |
3895 | downheap (periodics, periodiccnt, HEAP0); |
2117 | } |
3896 | } |
2118 | else |
3897 | else |
2119 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
3898 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
… | |
… | |
2126 | feed_reverse_done (EV_A_ EV_PERIODIC); |
3905 | feed_reverse_done (EV_A_ EV_PERIODIC); |
2127 | } |
3906 | } |
2128 | } |
3907 | } |
2129 | |
3908 | |
2130 | /* simply recalculate all periodics */ |
3909 | /* simply recalculate all periodics */ |
2131 | /* TODO: maybe ensure that at leats one event happens when jumping forward? */ |
3910 | /* TODO: maybe ensure that at least one event happens when jumping forward? */ |
2132 | static void noinline |
3911 | ecb_noinline ecb_cold |
|
|
3912 | static void |
2133 | periodics_reschedule (EV_P) |
3913 | periodics_reschedule (EV_P) |
2134 | { |
3914 | { |
2135 | int i; |
3915 | int i; |
2136 | |
3916 | |
2137 | /* adjust periodics after time jump */ |
3917 | /* adjust periodics after time jump */ |
… | |
… | |
2140 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [i]); |
3920 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [i]); |
2141 | |
3921 | |
2142 | if (w->reschedule_cb) |
3922 | if (w->reschedule_cb) |
2143 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
3923 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
2144 | else if (w->interval) |
3924 | else if (w->interval) |
2145 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
3925 | periodic_recalc (EV_A_ w); |
2146 | |
3926 | |
2147 | ANHE_at_cache (periodics [i]); |
3927 | ANHE_at_cache (periodics [i]); |
2148 | } |
3928 | } |
2149 | |
3929 | |
2150 | reheap (periodics, periodiccnt); |
3930 | reheap (periodics, periodiccnt); |
2151 | } |
3931 | } |
2152 | #endif |
3932 | #endif |
2153 | |
3933 | |
2154 | /* adjust all timers by a given offset */ |
3934 | /* adjust all timers by a given offset */ |
2155 | static void noinline |
3935 | ecb_noinline ecb_cold |
|
|
3936 | static void |
2156 | timers_reschedule (EV_P_ ev_tstamp adjust) |
3937 | timers_reschedule (EV_P_ ev_tstamp adjust) |
2157 | { |
3938 | { |
2158 | int i; |
3939 | int i; |
2159 | |
3940 | |
2160 | for (i = 0; i < timercnt; ++i) |
3941 | for (i = 0; i < timercnt; ++i) |
… | |
… | |
2169 | /* also detect if there was a timejump, and act accordingly */ |
3950 | /* also detect if there was a timejump, and act accordingly */ |
2170 | inline_speed void |
3951 | inline_speed void |
2171 | time_update (EV_P_ ev_tstamp max_block) |
3952 | time_update (EV_P_ ev_tstamp max_block) |
2172 | { |
3953 | { |
2173 | #if EV_USE_MONOTONIC |
3954 | #if EV_USE_MONOTONIC |
2174 | if (expect_true (have_monotonic)) |
3955 | if (ecb_expect_true (have_monotonic)) |
2175 | { |
3956 | { |
2176 | int i; |
3957 | int i; |
2177 | ev_tstamp odiff = rtmn_diff; |
3958 | ev_tstamp odiff = rtmn_diff; |
2178 | |
3959 | |
2179 | mn_now = get_clock (); |
3960 | mn_now = get_clock (); |
2180 | |
3961 | |
2181 | /* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */ |
3962 | /* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */ |
2182 | /* interpolate in the meantime */ |
3963 | /* interpolate in the meantime */ |
2183 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
3964 | if (ecb_expect_true (mn_now - now_floor < EV_TS_CONST (MIN_TIMEJUMP * .5))) |
2184 | { |
3965 | { |
2185 | ev_rt_now = rtmn_diff + mn_now; |
3966 | ev_rt_now = rtmn_diff + mn_now; |
2186 | return; |
3967 | return; |
2187 | } |
3968 | } |
2188 | |
3969 | |
… | |
… | |
2197 | * doesn't hurt either as we only do this on time-jumps or |
3978 | * doesn't hurt either as we only do this on time-jumps or |
2198 | * in the unlikely event of having been preempted here. |
3979 | * in the unlikely event of having been preempted here. |
2199 | */ |
3980 | */ |
2200 | for (i = 4; --i; ) |
3981 | for (i = 4; --i; ) |
2201 | { |
3982 | { |
|
|
3983 | ev_tstamp diff; |
2202 | rtmn_diff = ev_rt_now - mn_now; |
3984 | rtmn_diff = ev_rt_now - mn_now; |
2203 | |
3985 | |
2204 | if (expect_true (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)) |
3986 | diff = odiff - rtmn_diff; |
|
|
3987 | |
|
|
3988 | if (ecb_expect_true ((diff < EV_TS_CONST (0.) ? -diff : diff) < EV_TS_CONST (MIN_TIMEJUMP))) |
2205 | return; /* all is well */ |
3989 | return; /* all is well */ |
2206 | |
3990 | |
2207 | ev_rt_now = ev_time (); |
3991 | ev_rt_now = ev_time (); |
2208 | mn_now = get_clock (); |
3992 | mn_now = get_clock (); |
2209 | now_floor = mn_now; |
3993 | now_floor = mn_now; |
… | |
… | |
2218 | else |
4002 | else |
2219 | #endif |
4003 | #endif |
2220 | { |
4004 | { |
2221 | ev_rt_now = ev_time (); |
4005 | ev_rt_now = ev_time (); |
2222 | |
4006 | |
2223 | if (expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP)) |
4007 | if (ecb_expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + EV_TS_CONST (MIN_TIMEJUMP))) |
2224 | { |
4008 | { |
2225 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
4009 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
2226 | timers_reschedule (EV_A_ ev_rt_now - mn_now); |
4010 | timers_reschedule (EV_A_ ev_rt_now - mn_now); |
2227 | #if EV_PERIODIC_ENABLE |
4011 | #if EV_PERIODIC_ENABLE |
2228 | periodics_reschedule (EV_A); |
4012 | periodics_reschedule (EV_A); |
… | |
… | |
2231 | |
4015 | |
2232 | mn_now = ev_rt_now; |
4016 | mn_now = ev_rt_now; |
2233 | } |
4017 | } |
2234 | } |
4018 | } |
2235 | |
4019 | |
2236 | void |
4020 | int |
2237 | ev_loop (EV_P_ int flags) |
4021 | ev_run (EV_P_ int flags) |
2238 | { |
4022 | { |
2239 | #if EV_MINIMAL < 2 |
4023 | #if EV_FEATURE_API |
2240 | ++loop_depth; |
4024 | ++loop_depth; |
2241 | #endif |
4025 | #endif |
2242 | |
4026 | |
2243 | assert (("libev: ev_loop recursion during release detected", loop_done != EVUNLOOP_RECURSE)); |
4027 | assert (("libev: ev_loop recursion during release detected", loop_done != EVBREAK_RECURSE)); |
2244 | |
4028 | |
2245 | loop_done = EVUNLOOP_CANCEL; |
4029 | loop_done = EVBREAK_CANCEL; |
2246 | |
4030 | |
2247 | EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */ |
4031 | EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */ |
2248 | |
4032 | |
2249 | do |
4033 | do |
2250 | { |
4034 | { |
2251 | #if EV_VERIFY >= 2 |
4035 | #if EV_VERIFY >= 2 |
2252 | ev_loop_verify (EV_A); |
4036 | ev_verify (EV_A); |
2253 | #endif |
4037 | #endif |
2254 | |
4038 | |
2255 | #ifndef _WIN32 |
4039 | #ifndef _WIN32 |
2256 | if (expect_false (curpid)) /* penalise the forking check even more */ |
4040 | if (ecb_expect_false (curpid)) /* penalise the forking check even more */ |
2257 | if (expect_false (getpid () != curpid)) |
4041 | if (ecb_expect_false (getpid () != curpid)) |
2258 | { |
4042 | { |
2259 | curpid = getpid (); |
4043 | curpid = getpid (); |
2260 | postfork = 1; |
4044 | postfork = 1; |
2261 | } |
4045 | } |
2262 | #endif |
4046 | #endif |
2263 | |
4047 | |
2264 | #if EV_FORK_ENABLE |
4048 | #if EV_FORK_ENABLE |
2265 | /* we might have forked, so queue fork handlers */ |
4049 | /* we might have forked, so queue fork handlers */ |
2266 | if (expect_false (postfork)) |
4050 | if (ecb_expect_false (postfork)) |
2267 | if (forkcnt) |
4051 | if (forkcnt) |
2268 | { |
4052 | { |
2269 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
4053 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
2270 | EV_INVOKE_PENDING; |
4054 | EV_INVOKE_PENDING; |
2271 | } |
4055 | } |
2272 | #endif |
4056 | #endif |
2273 | |
4057 | |
|
|
4058 | #if EV_PREPARE_ENABLE |
2274 | /* queue prepare watchers (and execute them) */ |
4059 | /* queue prepare watchers (and execute them) */ |
2275 | if (expect_false (preparecnt)) |
4060 | if (ecb_expect_false (preparecnt)) |
2276 | { |
4061 | { |
2277 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
4062 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
2278 | EV_INVOKE_PENDING; |
4063 | EV_INVOKE_PENDING; |
2279 | } |
4064 | } |
|
|
4065 | #endif |
2280 | |
4066 | |
2281 | if (expect_false (loop_done)) |
4067 | if (ecb_expect_false (loop_done)) |
2282 | break; |
4068 | break; |
2283 | |
4069 | |
2284 | /* we might have forked, so reify kernel state if necessary */ |
4070 | /* we might have forked, so reify kernel state if necessary */ |
2285 | if (expect_false (postfork)) |
4071 | if (ecb_expect_false (postfork)) |
2286 | loop_fork (EV_A); |
4072 | loop_fork (EV_A); |
2287 | |
4073 | |
2288 | /* update fd-related kernel structures */ |
4074 | /* update fd-related kernel structures */ |
2289 | fd_reify (EV_A); |
4075 | fd_reify (EV_A); |
2290 | |
4076 | |
2291 | /* calculate blocking time */ |
4077 | /* calculate blocking time */ |
2292 | { |
4078 | { |
2293 | ev_tstamp waittime = 0.; |
4079 | ev_tstamp waittime = 0.; |
2294 | ev_tstamp sleeptime = 0.; |
4080 | ev_tstamp sleeptime = 0.; |
2295 | |
4081 | |
|
|
4082 | /* remember old timestamp for io_blocktime calculation */ |
|
|
4083 | ev_tstamp prev_mn_now = mn_now; |
|
|
4084 | |
|
|
4085 | /* update time to cancel out callback processing overhead */ |
|
|
4086 | time_update (EV_A_ EV_TS_CONST (EV_TSTAMP_HUGE)); |
|
|
4087 | |
|
|
4088 | /* from now on, we want a pipe-wake-up */ |
|
|
4089 | pipe_write_wanted = 1; |
|
|
4090 | |
|
|
4091 | ECB_MEMORY_FENCE; /* make sure pipe_write_wanted is visible before we check for potential skips */ |
|
|
4092 | |
2296 | if (expect_true (!(flags & EVLOOP_NONBLOCK || idleall || !activecnt))) |
4093 | if (ecb_expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped))) |
2297 | { |
4094 | { |
2298 | /* remember old timestamp for io_blocktime calculation */ |
|
|
2299 | ev_tstamp prev_mn_now = mn_now; |
|
|
2300 | |
|
|
2301 | /* update time to cancel out callback processing overhead */ |
|
|
2302 | time_update (EV_A_ 1e100); |
|
|
2303 | |
|
|
2304 | waittime = MAX_BLOCKTIME; |
4095 | waittime = EV_TS_CONST (MAX_BLOCKTIME); |
|
|
4096 | |
|
|
4097 | #if EV_USE_TIMERFD |
|
|
4098 | /* sleep a lot longer when we can reliably detect timejumps */ |
|
|
4099 | if (ecb_expect_true (timerfd >= 0)) |
|
|
4100 | waittime = EV_TS_CONST (MAX_BLOCKTIME2); |
|
|
4101 | #endif |
|
|
4102 | #if !EV_PERIODIC_ENABLE |
|
|
4103 | /* without periodics but with monotonic clock there is no need */ |
|
|
4104 | /* for any time jump detection, so sleep longer */ |
|
|
4105 | if (ecb_expect_true (have_monotonic)) |
|
|
4106 | waittime = EV_TS_CONST (MAX_BLOCKTIME2); |
|
|
4107 | #endif |
2305 | |
4108 | |
2306 | if (timercnt) |
4109 | if (timercnt) |
2307 | { |
4110 | { |
2308 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge; |
4111 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now; |
2309 | if (waittime > to) waittime = to; |
4112 | if (waittime > to) waittime = to; |
2310 | } |
4113 | } |
2311 | |
4114 | |
2312 | #if EV_PERIODIC_ENABLE |
4115 | #if EV_PERIODIC_ENABLE |
2313 | if (periodiccnt) |
4116 | if (periodiccnt) |
2314 | { |
4117 | { |
2315 | ev_tstamp to = ANHE_at (periodics [HEAP0]) - ev_rt_now + backend_fudge; |
4118 | ev_tstamp to = ANHE_at (periodics [HEAP0]) - ev_rt_now; |
2316 | if (waittime > to) waittime = to; |
4119 | if (waittime > to) waittime = to; |
2317 | } |
4120 | } |
2318 | #endif |
4121 | #endif |
2319 | |
4122 | |
2320 | /* don't let timeouts decrease the waittime below timeout_blocktime */ |
4123 | /* don't let timeouts decrease the waittime below timeout_blocktime */ |
2321 | if (expect_false (waittime < timeout_blocktime)) |
4124 | if (ecb_expect_false (waittime < timeout_blocktime)) |
2322 | waittime = timeout_blocktime; |
4125 | waittime = timeout_blocktime; |
2323 | |
4126 | |
|
|
4127 | /* now there are two more special cases left, either we have |
|
|
4128 | * already-expired timers, so we should not sleep, or we have timers |
|
|
4129 | * that expire very soon, in which case we need to wait for a minimum |
|
|
4130 | * amount of time for some event loop backends. |
|
|
4131 | */ |
|
|
4132 | if (ecb_expect_false (waittime < backend_mintime)) |
|
|
4133 | waittime = waittime <= EV_TS_CONST (0.) |
|
|
4134 | ? EV_TS_CONST (0.) |
|
|
4135 | : backend_mintime; |
|
|
4136 | |
2324 | /* extra check because io_blocktime is commonly 0 */ |
4137 | /* extra check because io_blocktime is commonly 0 */ |
2325 | if (expect_false (io_blocktime)) |
4138 | if (ecb_expect_false (io_blocktime)) |
2326 | { |
4139 | { |
2327 | sleeptime = io_blocktime - (mn_now - prev_mn_now); |
4140 | sleeptime = io_blocktime - (mn_now - prev_mn_now); |
2328 | |
4141 | |
2329 | if (sleeptime > waittime - backend_fudge) |
4142 | if (sleeptime > waittime - backend_mintime) |
2330 | sleeptime = waittime - backend_fudge; |
4143 | sleeptime = waittime - backend_mintime; |
2331 | |
4144 | |
2332 | if (expect_true (sleeptime > 0.)) |
4145 | if (ecb_expect_true (sleeptime > EV_TS_CONST (0.))) |
2333 | { |
4146 | { |
2334 | ev_sleep (sleeptime); |
4147 | ev_sleep (sleeptime); |
2335 | waittime -= sleeptime; |
4148 | waittime -= sleeptime; |
2336 | } |
4149 | } |
2337 | } |
4150 | } |
2338 | } |
4151 | } |
2339 | |
4152 | |
2340 | #if EV_MINIMAL < 2 |
4153 | #if EV_FEATURE_API |
2341 | ++loop_count; |
4154 | ++loop_count; |
2342 | #endif |
4155 | #endif |
2343 | assert ((loop_done = EVUNLOOP_RECURSE, 1)); /* assert for side effect */ |
4156 | assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */ |
2344 | backend_poll (EV_A_ waittime); |
4157 | backend_poll (EV_A_ waittime); |
2345 | assert ((loop_done = EVUNLOOP_CANCEL, 1)); /* assert for side effect */ |
4158 | assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */ |
|
|
4159 | |
|
|
4160 | pipe_write_wanted = 0; /* just an optimisation, no fence needed */ |
|
|
4161 | |
|
|
4162 | ECB_MEMORY_FENCE_ACQUIRE; |
|
|
4163 | if (pipe_write_skipped) |
|
|
4164 | { |
|
|
4165 | assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w))); |
|
|
4166 | ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM); |
|
|
4167 | } |
2346 | |
4168 | |
2347 | /* update ev_rt_now, do magic */ |
4169 | /* update ev_rt_now, do magic */ |
2348 | time_update (EV_A_ waittime + sleeptime); |
4170 | time_update (EV_A_ waittime + sleeptime); |
2349 | } |
4171 | } |
2350 | |
4172 | |
… | |
… | |
2357 | #if EV_IDLE_ENABLE |
4179 | #if EV_IDLE_ENABLE |
2358 | /* queue idle watchers unless other events are pending */ |
4180 | /* queue idle watchers unless other events are pending */ |
2359 | idle_reify (EV_A); |
4181 | idle_reify (EV_A); |
2360 | #endif |
4182 | #endif |
2361 | |
4183 | |
|
|
4184 | #if EV_CHECK_ENABLE |
2362 | /* queue check watchers, to be executed first */ |
4185 | /* queue check watchers, to be executed first */ |
2363 | if (expect_false (checkcnt)) |
4186 | if (ecb_expect_false (checkcnt)) |
2364 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
4187 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
|
|
4188 | #endif |
2365 | |
4189 | |
2366 | EV_INVOKE_PENDING; |
4190 | EV_INVOKE_PENDING; |
2367 | } |
4191 | } |
2368 | while (expect_true ( |
4192 | while (ecb_expect_true ( |
2369 | activecnt |
4193 | activecnt |
2370 | && !loop_done |
4194 | && !loop_done |
2371 | && !(flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK)) |
4195 | && !(flags & (EVRUN_ONCE | EVRUN_NOWAIT)) |
2372 | )); |
4196 | )); |
2373 | |
4197 | |
2374 | if (loop_done == EVUNLOOP_ONE) |
4198 | if (loop_done == EVBREAK_ONE) |
2375 | loop_done = EVUNLOOP_CANCEL; |
4199 | loop_done = EVBREAK_CANCEL; |
2376 | |
4200 | |
2377 | #if EV_MINIMAL < 2 |
4201 | #if EV_FEATURE_API |
2378 | --loop_depth; |
4202 | --loop_depth; |
2379 | #endif |
4203 | #endif |
|
|
4204 | |
|
|
4205 | return activecnt; |
2380 | } |
4206 | } |
2381 | |
4207 | |
2382 | void |
4208 | void |
2383 | ev_unloop (EV_P_ int how) |
4209 | ev_break (EV_P_ int how) EV_NOEXCEPT |
2384 | { |
4210 | { |
2385 | loop_done = how; |
4211 | loop_done = how; |
2386 | } |
4212 | } |
2387 | |
4213 | |
2388 | void |
4214 | void |
2389 | ev_ref (EV_P) |
4215 | ev_ref (EV_P) EV_NOEXCEPT |
2390 | { |
4216 | { |
2391 | ++activecnt; |
4217 | ++activecnt; |
2392 | } |
4218 | } |
2393 | |
4219 | |
2394 | void |
4220 | void |
2395 | ev_unref (EV_P) |
4221 | ev_unref (EV_P) EV_NOEXCEPT |
2396 | { |
4222 | { |
2397 | --activecnt; |
4223 | --activecnt; |
2398 | } |
4224 | } |
2399 | |
4225 | |
2400 | void |
4226 | void |
2401 | ev_now_update (EV_P) |
4227 | ev_now_update (EV_P) EV_NOEXCEPT |
2402 | { |
4228 | { |
2403 | time_update (EV_A_ 1e100); |
4229 | time_update (EV_A_ EV_TSTAMP_HUGE); |
2404 | } |
4230 | } |
2405 | |
4231 | |
2406 | void |
4232 | void |
2407 | ev_suspend (EV_P) |
4233 | ev_suspend (EV_P) EV_NOEXCEPT |
2408 | { |
4234 | { |
2409 | ev_now_update (EV_A); |
4235 | ev_now_update (EV_A); |
2410 | } |
4236 | } |
2411 | |
4237 | |
2412 | void |
4238 | void |
2413 | ev_resume (EV_P) |
4239 | ev_resume (EV_P) EV_NOEXCEPT |
2414 | { |
4240 | { |
2415 | ev_tstamp mn_prev = mn_now; |
4241 | ev_tstamp mn_prev = mn_now; |
2416 | |
4242 | |
2417 | ev_now_update (EV_A); |
4243 | ev_now_update (EV_A); |
2418 | timers_reschedule (EV_A_ mn_now - mn_prev); |
4244 | timers_reschedule (EV_A_ mn_now - mn_prev); |
… | |
… | |
2435 | inline_size void |
4261 | inline_size void |
2436 | wlist_del (WL *head, WL elem) |
4262 | wlist_del (WL *head, WL elem) |
2437 | { |
4263 | { |
2438 | while (*head) |
4264 | while (*head) |
2439 | { |
4265 | { |
2440 | if (expect_true (*head == elem)) |
4266 | if (ecb_expect_true (*head == elem)) |
2441 | { |
4267 | { |
2442 | *head = elem->next; |
4268 | *head = elem->next; |
2443 | break; |
4269 | break; |
2444 | } |
4270 | } |
2445 | |
4271 | |
… | |
… | |
2457 | w->pending = 0; |
4283 | w->pending = 0; |
2458 | } |
4284 | } |
2459 | } |
4285 | } |
2460 | |
4286 | |
2461 | int |
4287 | int |
2462 | ev_clear_pending (EV_P_ void *w) |
4288 | ev_clear_pending (EV_P_ void *w) EV_NOEXCEPT |
2463 | { |
4289 | { |
2464 | W w_ = (W)w; |
4290 | W w_ = (W)w; |
2465 | int pending = w_->pending; |
4291 | int pending = w_->pending; |
2466 | |
4292 | |
2467 | if (expect_true (pending)) |
4293 | if (ecb_expect_true (pending)) |
2468 | { |
4294 | { |
2469 | ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1; |
4295 | ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1; |
2470 | p->w = (W)&pending_w; |
4296 | p->w = (W)&pending_w; |
2471 | w_->pending = 0; |
4297 | w_->pending = 0; |
2472 | return p->events; |
4298 | return p->events; |
… | |
… | |
2499 | w->active = 0; |
4325 | w->active = 0; |
2500 | } |
4326 | } |
2501 | |
4327 | |
2502 | /*****************************************************************************/ |
4328 | /*****************************************************************************/ |
2503 | |
4329 | |
2504 | void noinline |
4330 | ecb_noinline |
|
|
4331 | void |
2505 | ev_io_start (EV_P_ ev_io *w) |
4332 | ev_io_start (EV_P_ ev_io *w) EV_NOEXCEPT |
2506 | { |
4333 | { |
2507 | int fd = w->fd; |
4334 | int fd = w->fd; |
2508 | |
4335 | |
2509 | if (expect_false (ev_is_active (w))) |
4336 | if (ecb_expect_false (ev_is_active (w))) |
2510 | return; |
4337 | return; |
2511 | |
4338 | |
2512 | assert (("libev: ev_io_start called with negative fd", fd >= 0)); |
4339 | assert (("libev: ev_io_start called with negative fd", fd >= 0)); |
2513 | assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); |
4340 | assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); |
2514 | |
4341 | |
|
|
4342 | #if EV_VERIFY >= 2 |
|
|
4343 | assert (("libev: ev_io_start called on watcher with invalid fd", fd_valid (fd))); |
|
|
4344 | #endif |
2515 | EV_FREQUENT_CHECK; |
4345 | EV_FREQUENT_CHECK; |
2516 | |
4346 | |
2517 | ev_start (EV_A_ (W)w, 1); |
4347 | ev_start (EV_A_ (W)w, 1); |
2518 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
4348 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_needsize_zerofill); |
2519 | wlist_add (&anfds[fd].head, (WL)w); |
4349 | wlist_add (&anfds[fd].head, (WL)w); |
|
|
4350 | |
|
|
4351 | /* common bug, apparently */ |
|
|
4352 | assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w)); |
2520 | |
4353 | |
2521 | fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY); |
4354 | fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY); |
2522 | w->events &= ~EV__IOFDSET; |
4355 | w->events &= ~EV__IOFDSET; |
2523 | |
4356 | |
2524 | EV_FREQUENT_CHECK; |
4357 | EV_FREQUENT_CHECK; |
2525 | } |
4358 | } |
2526 | |
4359 | |
2527 | void noinline |
4360 | ecb_noinline |
|
|
4361 | void |
2528 | ev_io_stop (EV_P_ ev_io *w) |
4362 | ev_io_stop (EV_P_ ev_io *w) EV_NOEXCEPT |
2529 | { |
4363 | { |
2530 | clear_pending (EV_A_ (W)w); |
4364 | clear_pending (EV_A_ (W)w); |
2531 | if (expect_false (!ev_is_active (w))) |
4365 | if (ecb_expect_false (!ev_is_active (w))) |
2532 | return; |
4366 | return; |
2533 | |
4367 | |
2534 | assert (("libev: ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
4368 | assert (("libev: ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
2535 | |
4369 | |
|
|
4370 | #if EV_VERIFY >= 2 |
|
|
4371 | assert (("libev: ev_io_stop called on watcher with invalid fd", fd_valid (w->fd))); |
|
|
4372 | #endif |
2536 | EV_FREQUENT_CHECK; |
4373 | EV_FREQUENT_CHECK; |
2537 | |
4374 | |
2538 | wlist_del (&anfds[w->fd].head, (WL)w); |
4375 | wlist_del (&anfds[w->fd].head, (WL)w); |
2539 | ev_stop (EV_A_ (W)w); |
4376 | ev_stop (EV_A_ (W)w); |
2540 | |
4377 | |
2541 | fd_change (EV_A_ w->fd, 1); |
4378 | fd_change (EV_A_ w->fd, EV_ANFD_REIFY); |
2542 | |
4379 | |
2543 | EV_FREQUENT_CHECK; |
4380 | EV_FREQUENT_CHECK; |
2544 | } |
4381 | } |
2545 | |
4382 | |
2546 | void noinline |
4383 | ecb_noinline |
|
|
4384 | void |
2547 | ev_timer_start (EV_P_ ev_timer *w) |
4385 | ev_timer_start (EV_P_ ev_timer *w) EV_NOEXCEPT |
2548 | { |
4386 | { |
2549 | if (expect_false (ev_is_active (w))) |
4387 | if (ecb_expect_false (ev_is_active (w))) |
2550 | return; |
4388 | return; |
2551 | |
4389 | |
2552 | ev_at (w) += mn_now; |
4390 | ev_at (w) += mn_now; |
2553 | |
4391 | |
2554 | assert (("libev: ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
4392 | assert (("libev: ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
2555 | |
4393 | |
2556 | EV_FREQUENT_CHECK; |
4394 | EV_FREQUENT_CHECK; |
2557 | |
4395 | |
2558 | ++timercnt; |
4396 | ++timercnt; |
2559 | ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1); |
4397 | ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1); |
2560 | array_needsize (ANHE, timers, timermax, ev_active (w) + 1, EMPTY2); |
4398 | array_needsize (ANHE, timers, timermax, ev_active (w) + 1, array_needsize_noinit); |
2561 | ANHE_w (timers [ev_active (w)]) = (WT)w; |
4399 | ANHE_w (timers [ev_active (w)]) = (WT)w; |
2562 | ANHE_at_cache (timers [ev_active (w)]); |
4400 | ANHE_at_cache (timers [ev_active (w)]); |
2563 | upheap (timers, ev_active (w)); |
4401 | upheap (timers, ev_active (w)); |
2564 | |
4402 | |
2565 | EV_FREQUENT_CHECK; |
4403 | EV_FREQUENT_CHECK; |
2566 | |
4404 | |
2567 | /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
4405 | /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
2568 | } |
4406 | } |
2569 | |
4407 | |
2570 | void noinline |
4408 | ecb_noinline |
|
|
4409 | void |
2571 | ev_timer_stop (EV_P_ ev_timer *w) |
4410 | ev_timer_stop (EV_P_ ev_timer *w) EV_NOEXCEPT |
2572 | { |
4411 | { |
2573 | clear_pending (EV_A_ (W)w); |
4412 | clear_pending (EV_A_ (W)w); |
2574 | if (expect_false (!ev_is_active (w))) |
4413 | if (ecb_expect_false (!ev_is_active (w))) |
2575 | return; |
4414 | return; |
2576 | |
4415 | |
2577 | EV_FREQUENT_CHECK; |
4416 | EV_FREQUENT_CHECK; |
2578 | |
4417 | |
2579 | { |
4418 | { |
… | |
… | |
2581 | |
4420 | |
2582 | assert (("libev: internal timer heap corruption", ANHE_w (timers [active]) == (WT)w)); |
4421 | assert (("libev: internal timer heap corruption", ANHE_w (timers [active]) == (WT)w)); |
2583 | |
4422 | |
2584 | --timercnt; |
4423 | --timercnt; |
2585 | |
4424 | |
2586 | if (expect_true (active < timercnt + HEAP0)) |
4425 | if (ecb_expect_true (active < timercnt + HEAP0)) |
2587 | { |
4426 | { |
2588 | timers [active] = timers [timercnt + HEAP0]; |
4427 | timers [active] = timers [timercnt + HEAP0]; |
2589 | adjustheap (timers, timercnt, active); |
4428 | adjustheap (timers, timercnt, active); |
2590 | } |
4429 | } |
2591 | } |
4430 | } |
… | |
… | |
2595 | ev_stop (EV_A_ (W)w); |
4434 | ev_stop (EV_A_ (W)w); |
2596 | |
4435 | |
2597 | EV_FREQUENT_CHECK; |
4436 | EV_FREQUENT_CHECK; |
2598 | } |
4437 | } |
2599 | |
4438 | |
2600 | void noinline |
4439 | ecb_noinline |
|
|
4440 | void |
2601 | ev_timer_again (EV_P_ ev_timer *w) |
4441 | ev_timer_again (EV_P_ ev_timer *w) EV_NOEXCEPT |
2602 | { |
4442 | { |
2603 | EV_FREQUENT_CHECK; |
4443 | EV_FREQUENT_CHECK; |
|
|
4444 | |
|
|
4445 | clear_pending (EV_A_ (W)w); |
2604 | |
4446 | |
2605 | if (ev_is_active (w)) |
4447 | if (ev_is_active (w)) |
2606 | { |
4448 | { |
2607 | if (w->repeat) |
4449 | if (w->repeat) |
2608 | { |
4450 | { |
… | |
… | |
2621 | |
4463 | |
2622 | EV_FREQUENT_CHECK; |
4464 | EV_FREQUENT_CHECK; |
2623 | } |
4465 | } |
2624 | |
4466 | |
2625 | ev_tstamp |
4467 | ev_tstamp |
2626 | ev_timer_remaining (EV_P_ ev_timer *w) |
4468 | ev_timer_remaining (EV_P_ ev_timer *w) EV_NOEXCEPT |
2627 | { |
4469 | { |
2628 | return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); |
4470 | return ev_at (w) - (ev_is_active (w) ? mn_now : EV_TS_CONST (0.)); |
2629 | } |
4471 | } |
2630 | |
4472 | |
2631 | #if EV_PERIODIC_ENABLE |
4473 | #if EV_PERIODIC_ENABLE |
2632 | void noinline |
4474 | ecb_noinline |
|
|
4475 | void |
2633 | ev_periodic_start (EV_P_ ev_periodic *w) |
4476 | ev_periodic_start (EV_P_ ev_periodic *w) EV_NOEXCEPT |
2634 | { |
4477 | { |
2635 | if (expect_false (ev_is_active (w))) |
4478 | if (ecb_expect_false (ev_is_active (w))) |
2636 | return; |
4479 | return; |
|
|
4480 | |
|
|
4481 | #if EV_USE_TIMERFD |
|
|
4482 | if (timerfd == -2) |
|
|
4483 | evtimerfd_init (EV_A); |
|
|
4484 | #endif |
2637 | |
4485 | |
2638 | if (w->reschedule_cb) |
4486 | if (w->reschedule_cb) |
2639 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
4487 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
2640 | else if (w->interval) |
4488 | else if (w->interval) |
2641 | { |
4489 | { |
2642 | assert (("libev: ev_periodic_start called with negative interval value", w->interval >= 0.)); |
4490 | assert (("libev: ev_periodic_start called with negative interval value", w->interval >= 0.)); |
2643 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
4491 | periodic_recalc (EV_A_ w); |
2644 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
2645 | } |
4492 | } |
2646 | else |
4493 | else |
2647 | ev_at (w) = w->offset; |
4494 | ev_at (w) = w->offset; |
2648 | |
4495 | |
2649 | EV_FREQUENT_CHECK; |
4496 | EV_FREQUENT_CHECK; |
2650 | |
4497 | |
2651 | ++periodiccnt; |
4498 | ++periodiccnt; |
2652 | ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1); |
4499 | ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1); |
2653 | array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, EMPTY2); |
4500 | array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, array_needsize_noinit); |
2654 | ANHE_w (periodics [ev_active (w)]) = (WT)w; |
4501 | ANHE_w (periodics [ev_active (w)]) = (WT)w; |
2655 | ANHE_at_cache (periodics [ev_active (w)]); |
4502 | ANHE_at_cache (periodics [ev_active (w)]); |
2656 | upheap (periodics, ev_active (w)); |
4503 | upheap (periodics, ev_active (w)); |
2657 | |
4504 | |
2658 | EV_FREQUENT_CHECK; |
4505 | EV_FREQUENT_CHECK; |
2659 | |
4506 | |
2660 | /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
4507 | /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
2661 | } |
4508 | } |
2662 | |
4509 | |
2663 | void noinline |
4510 | ecb_noinline |
|
|
4511 | void |
2664 | ev_periodic_stop (EV_P_ ev_periodic *w) |
4512 | ev_periodic_stop (EV_P_ ev_periodic *w) EV_NOEXCEPT |
2665 | { |
4513 | { |
2666 | clear_pending (EV_A_ (W)w); |
4514 | clear_pending (EV_A_ (W)w); |
2667 | if (expect_false (!ev_is_active (w))) |
4515 | if (ecb_expect_false (!ev_is_active (w))) |
2668 | return; |
4516 | return; |
2669 | |
4517 | |
2670 | EV_FREQUENT_CHECK; |
4518 | EV_FREQUENT_CHECK; |
2671 | |
4519 | |
2672 | { |
4520 | { |
… | |
… | |
2674 | |
4522 | |
2675 | assert (("libev: internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w)); |
4523 | assert (("libev: internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w)); |
2676 | |
4524 | |
2677 | --periodiccnt; |
4525 | --periodiccnt; |
2678 | |
4526 | |
2679 | if (expect_true (active < periodiccnt + HEAP0)) |
4527 | if (ecb_expect_true (active < periodiccnt + HEAP0)) |
2680 | { |
4528 | { |
2681 | periodics [active] = periodics [periodiccnt + HEAP0]; |
4529 | periodics [active] = periodics [periodiccnt + HEAP0]; |
2682 | adjustheap (periodics, periodiccnt, active); |
4530 | adjustheap (periodics, periodiccnt, active); |
2683 | } |
4531 | } |
2684 | } |
4532 | } |
… | |
… | |
2686 | ev_stop (EV_A_ (W)w); |
4534 | ev_stop (EV_A_ (W)w); |
2687 | |
4535 | |
2688 | EV_FREQUENT_CHECK; |
4536 | EV_FREQUENT_CHECK; |
2689 | } |
4537 | } |
2690 | |
4538 | |
2691 | void noinline |
4539 | ecb_noinline |
|
|
4540 | void |
2692 | ev_periodic_again (EV_P_ ev_periodic *w) |
4541 | ev_periodic_again (EV_P_ ev_periodic *w) EV_NOEXCEPT |
2693 | { |
4542 | { |
2694 | /* TODO: use adjustheap and recalculation */ |
4543 | /* TODO: use adjustheap and recalculation */ |
2695 | ev_periodic_stop (EV_A_ w); |
4544 | ev_periodic_stop (EV_A_ w); |
2696 | ev_periodic_start (EV_A_ w); |
4545 | ev_periodic_start (EV_A_ w); |
2697 | } |
4546 | } |
… | |
… | |
2699 | |
4548 | |
2700 | #ifndef SA_RESTART |
4549 | #ifndef SA_RESTART |
2701 | # define SA_RESTART 0 |
4550 | # define SA_RESTART 0 |
2702 | #endif |
4551 | #endif |
2703 | |
4552 | |
2704 | void noinline |
4553 | #if EV_SIGNAL_ENABLE |
|
|
4554 | |
|
|
4555 | ecb_noinline |
|
|
4556 | void |
2705 | ev_signal_start (EV_P_ ev_signal *w) |
4557 | ev_signal_start (EV_P_ ev_signal *w) EV_NOEXCEPT |
2706 | { |
4558 | { |
2707 | if (expect_false (ev_is_active (w))) |
4559 | if (ecb_expect_false (ev_is_active (w))) |
2708 | return; |
4560 | return; |
2709 | |
4561 | |
2710 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); |
4562 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); |
2711 | |
4563 | |
2712 | #if EV_MULTIPLICITY |
4564 | #if EV_MULTIPLICITY |
2713 | assert (("libev: a signal must not be attached to two different loops", |
4565 | assert (("libev: a signal must not be attached to two different loops", |
2714 | !signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop)); |
4566 | !signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop)); |
2715 | |
4567 | |
2716 | signals [w->signum - 1].loop = EV_A; |
4568 | signals [w->signum - 1].loop = EV_A; |
|
|
4569 | ECB_MEMORY_FENCE_RELEASE; |
2717 | #endif |
4570 | #endif |
2718 | |
4571 | |
2719 | EV_FREQUENT_CHECK; |
4572 | EV_FREQUENT_CHECK; |
2720 | |
4573 | |
2721 | #if EV_USE_SIGNALFD |
4574 | #if EV_USE_SIGNALFD |
… | |
… | |
2768 | sa.sa_handler = ev_sighandler; |
4621 | sa.sa_handler = ev_sighandler; |
2769 | sigfillset (&sa.sa_mask); |
4622 | sigfillset (&sa.sa_mask); |
2770 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
4623 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
2771 | sigaction (w->signum, &sa, 0); |
4624 | sigaction (w->signum, &sa, 0); |
2772 | |
4625 | |
|
|
4626 | if (origflags & EVFLAG_NOSIGMASK) |
|
|
4627 | { |
2773 | sigemptyset (&sa.sa_mask); |
4628 | sigemptyset (&sa.sa_mask); |
2774 | sigaddset (&sa.sa_mask, w->signum); |
4629 | sigaddset (&sa.sa_mask, w->signum); |
2775 | sigprocmask (SIG_UNBLOCK, &sa.sa_mask, 0); |
4630 | sigprocmask (SIG_UNBLOCK, &sa.sa_mask, 0); |
|
|
4631 | } |
2776 | #endif |
4632 | #endif |
2777 | } |
4633 | } |
2778 | |
4634 | |
2779 | EV_FREQUENT_CHECK; |
4635 | EV_FREQUENT_CHECK; |
2780 | } |
4636 | } |
2781 | |
4637 | |
2782 | void noinline |
4638 | ecb_noinline |
|
|
4639 | void |
2783 | ev_signal_stop (EV_P_ ev_signal *w) |
4640 | ev_signal_stop (EV_P_ ev_signal *w) EV_NOEXCEPT |
2784 | { |
4641 | { |
2785 | clear_pending (EV_A_ (W)w); |
4642 | clear_pending (EV_A_ (W)w); |
2786 | if (expect_false (!ev_is_active (w))) |
4643 | if (ecb_expect_false (!ev_is_active (w))) |
2787 | return; |
4644 | return; |
2788 | |
4645 | |
2789 | EV_FREQUENT_CHECK; |
4646 | EV_FREQUENT_CHECK; |
2790 | |
4647 | |
2791 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
4648 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
… | |
… | |
2814 | } |
4671 | } |
2815 | |
4672 | |
2816 | EV_FREQUENT_CHECK; |
4673 | EV_FREQUENT_CHECK; |
2817 | } |
4674 | } |
2818 | |
4675 | |
|
|
4676 | #endif |
|
|
4677 | |
|
|
4678 | #if EV_CHILD_ENABLE |
|
|
4679 | |
2819 | void |
4680 | void |
2820 | ev_child_start (EV_P_ ev_child *w) |
4681 | ev_child_start (EV_P_ ev_child *w) EV_NOEXCEPT |
2821 | { |
4682 | { |
2822 | #if EV_MULTIPLICITY |
4683 | #if EV_MULTIPLICITY |
2823 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
4684 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
2824 | #endif |
4685 | #endif |
2825 | if (expect_false (ev_is_active (w))) |
4686 | if (ecb_expect_false (ev_is_active (w))) |
2826 | return; |
4687 | return; |
2827 | |
4688 | |
2828 | EV_FREQUENT_CHECK; |
4689 | EV_FREQUENT_CHECK; |
2829 | |
4690 | |
2830 | ev_start (EV_A_ (W)w, 1); |
4691 | ev_start (EV_A_ (W)w, 1); |
2831 | wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
4692 | wlist_add (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w); |
2832 | |
4693 | |
2833 | EV_FREQUENT_CHECK; |
4694 | EV_FREQUENT_CHECK; |
2834 | } |
4695 | } |
2835 | |
4696 | |
2836 | void |
4697 | void |
2837 | ev_child_stop (EV_P_ ev_child *w) |
4698 | ev_child_stop (EV_P_ ev_child *w) EV_NOEXCEPT |
2838 | { |
4699 | { |
2839 | clear_pending (EV_A_ (W)w); |
4700 | clear_pending (EV_A_ (W)w); |
2840 | if (expect_false (!ev_is_active (w))) |
4701 | if (ecb_expect_false (!ev_is_active (w))) |
2841 | return; |
4702 | return; |
2842 | |
4703 | |
2843 | EV_FREQUENT_CHECK; |
4704 | EV_FREQUENT_CHECK; |
2844 | |
4705 | |
2845 | wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
4706 | wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w); |
2846 | ev_stop (EV_A_ (W)w); |
4707 | ev_stop (EV_A_ (W)w); |
2847 | |
4708 | |
2848 | EV_FREQUENT_CHECK; |
4709 | EV_FREQUENT_CHECK; |
2849 | } |
4710 | } |
|
|
4711 | |
|
|
4712 | #endif |
2850 | |
4713 | |
2851 | #if EV_STAT_ENABLE |
4714 | #if EV_STAT_ENABLE |
2852 | |
4715 | |
2853 | # ifdef _WIN32 |
4716 | # ifdef _WIN32 |
2854 | # undef lstat |
4717 | # undef lstat |
… | |
… | |
2857 | |
4720 | |
2858 | #define DEF_STAT_INTERVAL 5.0074891 |
4721 | #define DEF_STAT_INTERVAL 5.0074891 |
2859 | #define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */ |
4722 | #define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */ |
2860 | #define MIN_STAT_INTERVAL 0.1074891 |
4723 | #define MIN_STAT_INTERVAL 0.1074891 |
2861 | |
4724 | |
2862 | static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
4725 | ecb_noinline static void stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
2863 | |
4726 | |
2864 | #if EV_USE_INOTIFY |
4727 | #if EV_USE_INOTIFY |
2865 | |
4728 | |
2866 | /* the * 2 is to allow for alignment padding, which for some reason is >> 8 */ |
4729 | /* the * 2 is to allow for alignment padding, which for some reason is >> 8 */ |
2867 | # define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX) |
4730 | # define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX) |
2868 | |
4731 | |
2869 | static void noinline |
4732 | ecb_noinline |
|
|
4733 | static void |
2870 | infy_add (EV_P_ ev_stat *w) |
4734 | infy_add (EV_P_ ev_stat *w) |
2871 | { |
4735 | { |
2872 | w->wd = inotify_add_watch (fs_fd, w->path, IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY | IN_DONT_FOLLOW | IN_MASK_ADD); |
4736 | w->wd = inotify_add_watch (fs_fd, w->path, |
|
|
4737 | IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY |
|
|
4738 | | IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO |
|
|
4739 | | IN_DONT_FOLLOW | IN_MASK_ADD); |
2873 | |
4740 | |
2874 | if (w->wd >= 0) |
4741 | if (w->wd >= 0) |
2875 | { |
4742 | { |
2876 | struct statfs sfs; |
4743 | struct statfs sfs; |
2877 | |
4744 | |
… | |
… | |
2881 | |
4748 | |
2882 | if (!fs_2625) |
4749 | if (!fs_2625) |
2883 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
4750 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
2884 | else if (!statfs (w->path, &sfs) |
4751 | else if (!statfs (w->path, &sfs) |
2885 | && (sfs.f_type == 0x1373 /* devfs */ |
4752 | && (sfs.f_type == 0x1373 /* devfs */ |
|
|
4753 | || sfs.f_type == 0x4006 /* fat */ |
|
|
4754 | || sfs.f_type == 0x4d44 /* msdos */ |
2886 | || sfs.f_type == 0xEF53 /* ext2/3 */ |
4755 | || sfs.f_type == 0xEF53 /* ext2/3 */ |
|
|
4756 | || sfs.f_type == 0x72b6 /* jffs2 */ |
|
|
4757 | || sfs.f_type == 0x858458f6 /* ramfs */ |
|
|
4758 | || sfs.f_type == 0x5346544e /* ntfs */ |
2887 | || sfs.f_type == 0x3153464a /* jfs */ |
4759 | || sfs.f_type == 0x3153464a /* jfs */ |
|
|
4760 | || sfs.f_type == 0x9123683e /* btrfs */ |
2888 | || sfs.f_type == 0x52654973 /* reiser3 */ |
4761 | || sfs.f_type == 0x52654973 /* reiser3 */ |
2889 | || sfs.f_type == 0x01021994 /* tempfs */ |
4762 | || sfs.f_type == 0x01021994 /* tmpfs */ |
2890 | || sfs.f_type == 0x58465342 /* xfs */)) |
4763 | || sfs.f_type == 0x58465342 /* xfs */)) |
2891 | w->timer.repeat = 0.; /* filesystem is local, kernel new enough */ |
4764 | w->timer.repeat = 0.; /* filesystem is local, kernel new enough */ |
2892 | else |
4765 | else |
2893 | w->timer.repeat = w->interval ? w->interval : NFS_STAT_INTERVAL; /* remote, use reduced frequency */ |
4766 | w->timer.repeat = w->interval ? w->interval : NFS_STAT_INTERVAL; /* remote, use reduced frequency */ |
2894 | } |
4767 | } |
… | |
… | |
2915 | if (!pend || pend == path) |
4788 | if (!pend || pend == path) |
2916 | break; |
4789 | break; |
2917 | |
4790 | |
2918 | *pend = 0; |
4791 | *pend = 0; |
2919 | w->wd = inotify_add_watch (fs_fd, path, mask); |
4792 | w->wd = inotify_add_watch (fs_fd, path, mask); |
2920 | } |
4793 | } |
2921 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
4794 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
2922 | } |
4795 | } |
2923 | } |
4796 | } |
2924 | |
4797 | |
2925 | if (w->wd >= 0) |
4798 | if (w->wd >= 0) |
2926 | wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
4799 | wlist_add (&fs_hash [w->wd & ((EV_INOTIFY_HASHSIZE) - 1)].head, (WL)w); |
2927 | |
4800 | |
2928 | /* now re-arm timer, if required */ |
4801 | /* now re-arm timer, if required */ |
2929 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
4802 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
2930 | ev_timer_again (EV_A_ &w->timer); |
4803 | ev_timer_again (EV_A_ &w->timer); |
2931 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
4804 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
2932 | } |
4805 | } |
2933 | |
4806 | |
2934 | static void noinline |
4807 | ecb_noinline |
|
|
4808 | static void |
2935 | infy_del (EV_P_ ev_stat *w) |
4809 | infy_del (EV_P_ ev_stat *w) |
2936 | { |
4810 | { |
2937 | int slot; |
4811 | int slot; |
2938 | int wd = w->wd; |
4812 | int wd = w->wd; |
2939 | |
4813 | |
2940 | if (wd < 0) |
4814 | if (wd < 0) |
2941 | return; |
4815 | return; |
2942 | |
4816 | |
2943 | w->wd = -2; |
4817 | w->wd = -2; |
2944 | slot = wd & (EV_INOTIFY_HASHSIZE - 1); |
4818 | slot = wd & ((EV_INOTIFY_HASHSIZE) - 1); |
2945 | wlist_del (&fs_hash [slot].head, (WL)w); |
4819 | wlist_del (&fs_hash [slot].head, (WL)w); |
2946 | |
4820 | |
2947 | /* remove this watcher, if others are watching it, they will rearm */ |
4821 | /* remove this watcher, if others are watching it, they will rearm */ |
2948 | inotify_rm_watch (fs_fd, wd); |
4822 | inotify_rm_watch (fs_fd, wd); |
2949 | } |
4823 | } |
2950 | |
4824 | |
2951 | static void noinline |
4825 | ecb_noinline |
|
|
4826 | static void |
2952 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
4827 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
2953 | { |
4828 | { |
2954 | if (slot < 0) |
4829 | if (slot < 0) |
2955 | /* overflow, need to check for all hash slots */ |
4830 | /* overflow, need to check for all hash slots */ |
2956 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
4831 | for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot) |
2957 | infy_wd (EV_A_ slot, wd, ev); |
4832 | infy_wd (EV_A_ slot, wd, ev); |
2958 | else |
4833 | else |
2959 | { |
4834 | { |
2960 | WL w_; |
4835 | WL w_; |
2961 | |
4836 | |
2962 | for (w_ = fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head; w_; ) |
4837 | for (w_ = fs_hash [slot & ((EV_INOTIFY_HASHSIZE) - 1)].head; w_; ) |
2963 | { |
4838 | { |
2964 | ev_stat *w = (ev_stat *)w_; |
4839 | ev_stat *w = (ev_stat *)w_; |
2965 | w_ = w_->next; /* lets us remove this watcher and all before it */ |
4840 | w_ = w_->next; /* lets us remove this watcher and all before it */ |
2966 | |
4841 | |
2967 | if (w->wd == wd || wd == -1) |
4842 | if (w->wd == wd || wd == -1) |
2968 | { |
4843 | { |
2969 | if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) |
4844 | if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) |
2970 | { |
4845 | { |
2971 | wlist_del (&fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
4846 | wlist_del (&fs_hash [slot & ((EV_INOTIFY_HASHSIZE) - 1)].head, (WL)w); |
2972 | w->wd = -1; |
4847 | w->wd = -1; |
2973 | infy_add (EV_A_ w); /* re-add, no matter what */ |
4848 | infy_add (EV_A_ w); /* re-add, no matter what */ |
2974 | } |
4849 | } |
2975 | |
4850 | |
2976 | stat_timer_cb (EV_A_ &w->timer, 0); |
4851 | stat_timer_cb (EV_A_ &w->timer, 0); |
… | |
… | |
2992 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
4867 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
2993 | ofs += sizeof (struct inotify_event) + ev->len; |
4868 | ofs += sizeof (struct inotify_event) + ev->len; |
2994 | } |
4869 | } |
2995 | } |
4870 | } |
2996 | |
4871 | |
2997 | inline_size void |
4872 | inline_size ecb_cold |
|
|
4873 | void |
2998 | check_2625 (EV_P) |
4874 | ev_check_2625 (EV_P) |
2999 | { |
4875 | { |
3000 | /* kernels < 2.6.25 are borked |
4876 | /* kernels < 2.6.25 are borked |
3001 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
4877 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
3002 | */ |
4878 | */ |
3003 | struct utsname buf; |
4879 | if (ev_linux_version () < 0x020619) |
3004 | int major, minor, micro; |
|
|
3005 | |
|
|
3006 | if (uname (&buf)) |
|
|
3007 | return; |
|
|
3008 | |
|
|
3009 | if (sscanf (buf.release, "%d.%d.%d", &major, &minor, µ) != 3) |
|
|
3010 | return; |
|
|
3011 | |
|
|
3012 | if (major < 2 |
|
|
3013 | || (major == 2 && minor < 6) |
|
|
3014 | || (major == 2 && minor == 6 && micro < 25)) |
|
|
3015 | return; |
4880 | return; |
3016 | |
4881 | |
3017 | fs_2625 = 1; |
4882 | fs_2625 = 1; |
3018 | } |
4883 | } |
3019 | |
4884 | |
3020 | inline_size int |
4885 | inline_size int |
3021 | infy_newfd (void) |
4886 | infy_newfd (void) |
3022 | { |
4887 | { |
3023 | #if defined (IN_CLOEXEC) && defined (IN_NONBLOCK) |
4888 | #if defined IN_CLOEXEC && defined IN_NONBLOCK |
3024 | int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK); |
4889 | int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK); |
3025 | if (fd >= 0) |
4890 | if (fd >= 0) |
3026 | return fd; |
4891 | return fd; |
3027 | #endif |
4892 | #endif |
3028 | return inotify_init (); |
4893 | return inotify_init (); |
… | |
… | |
3034 | if (fs_fd != -2) |
4899 | if (fs_fd != -2) |
3035 | return; |
4900 | return; |
3036 | |
4901 | |
3037 | fs_fd = -1; |
4902 | fs_fd = -1; |
3038 | |
4903 | |
3039 | check_2625 (EV_A); |
4904 | ev_check_2625 (EV_A); |
3040 | |
4905 | |
3041 | fs_fd = infy_newfd (); |
4906 | fs_fd = infy_newfd (); |
3042 | |
4907 | |
3043 | if (fs_fd >= 0) |
4908 | if (fs_fd >= 0) |
3044 | { |
4909 | { |
… | |
… | |
3069 | ev_io_set (&fs_w, fs_fd, EV_READ); |
4934 | ev_io_set (&fs_w, fs_fd, EV_READ); |
3070 | ev_io_start (EV_A_ &fs_w); |
4935 | ev_io_start (EV_A_ &fs_w); |
3071 | ev_unref (EV_A); |
4936 | ev_unref (EV_A); |
3072 | } |
4937 | } |
3073 | |
4938 | |
3074 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
4939 | for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot) |
3075 | { |
4940 | { |
3076 | WL w_ = fs_hash [slot].head; |
4941 | WL w_ = fs_hash [slot].head; |
3077 | fs_hash [slot].head = 0; |
4942 | fs_hash [slot].head = 0; |
3078 | |
4943 | |
3079 | while (w_) |
4944 | while (w_) |
… | |
… | |
3103 | #else |
4968 | #else |
3104 | # define EV_LSTAT(p,b) lstat (p, b) |
4969 | # define EV_LSTAT(p,b) lstat (p, b) |
3105 | #endif |
4970 | #endif |
3106 | |
4971 | |
3107 | void |
4972 | void |
3108 | ev_stat_stat (EV_P_ ev_stat *w) |
4973 | ev_stat_stat (EV_P_ ev_stat *w) EV_NOEXCEPT |
3109 | { |
4974 | { |
3110 | if (lstat (w->path, &w->attr) < 0) |
4975 | if (lstat (w->path, &w->attr) < 0) |
3111 | w->attr.st_nlink = 0; |
4976 | w->attr.st_nlink = 0; |
3112 | else if (!w->attr.st_nlink) |
4977 | else if (!w->attr.st_nlink) |
3113 | w->attr.st_nlink = 1; |
4978 | w->attr.st_nlink = 1; |
3114 | } |
4979 | } |
3115 | |
4980 | |
3116 | static void noinline |
4981 | ecb_noinline |
|
|
4982 | static void |
3117 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
4983 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
3118 | { |
4984 | { |
3119 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
4985 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
3120 | |
4986 | |
3121 | ev_statdata prev = w->attr; |
4987 | ev_statdata prev = w->attr; |
… | |
… | |
3152 | ev_feed_event (EV_A_ w, EV_STAT); |
5018 | ev_feed_event (EV_A_ w, EV_STAT); |
3153 | } |
5019 | } |
3154 | } |
5020 | } |
3155 | |
5021 | |
3156 | void |
5022 | void |
3157 | ev_stat_start (EV_P_ ev_stat *w) |
5023 | ev_stat_start (EV_P_ ev_stat *w) EV_NOEXCEPT |
3158 | { |
5024 | { |
3159 | if (expect_false (ev_is_active (w))) |
5025 | if (ecb_expect_false (ev_is_active (w))) |
3160 | return; |
5026 | return; |
3161 | |
5027 | |
3162 | ev_stat_stat (EV_A_ w); |
5028 | ev_stat_stat (EV_A_ w); |
3163 | |
5029 | |
3164 | if (w->interval < MIN_STAT_INTERVAL && w->interval) |
5030 | if (w->interval < MIN_STAT_INTERVAL && w->interval) |
… | |
… | |
3183 | |
5049 | |
3184 | EV_FREQUENT_CHECK; |
5050 | EV_FREQUENT_CHECK; |
3185 | } |
5051 | } |
3186 | |
5052 | |
3187 | void |
5053 | void |
3188 | ev_stat_stop (EV_P_ ev_stat *w) |
5054 | ev_stat_stop (EV_P_ ev_stat *w) EV_NOEXCEPT |
3189 | { |
5055 | { |
3190 | clear_pending (EV_A_ (W)w); |
5056 | clear_pending (EV_A_ (W)w); |
3191 | if (expect_false (!ev_is_active (w))) |
5057 | if (ecb_expect_false (!ev_is_active (w))) |
3192 | return; |
5058 | return; |
3193 | |
5059 | |
3194 | EV_FREQUENT_CHECK; |
5060 | EV_FREQUENT_CHECK; |
3195 | |
5061 | |
3196 | #if EV_USE_INOTIFY |
5062 | #if EV_USE_INOTIFY |
… | |
… | |
3209 | } |
5075 | } |
3210 | #endif |
5076 | #endif |
3211 | |
5077 | |
3212 | #if EV_IDLE_ENABLE |
5078 | #if EV_IDLE_ENABLE |
3213 | void |
5079 | void |
3214 | ev_idle_start (EV_P_ ev_idle *w) |
5080 | ev_idle_start (EV_P_ ev_idle *w) EV_NOEXCEPT |
3215 | { |
5081 | { |
3216 | if (expect_false (ev_is_active (w))) |
5082 | if (ecb_expect_false (ev_is_active (w))) |
3217 | return; |
5083 | return; |
3218 | |
5084 | |
3219 | pri_adjust (EV_A_ (W)w); |
5085 | pri_adjust (EV_A_ (W)w); |
3220 | |
5086 | |
3221 | EV_FREQUENT_CHECK; |
5087 | EV_FREQUENT_CHECK; |
… | |
… | |
3224 | int active = ++idlecnt [ABSPRI (w)]; |
5090 | int active = ++idlecnt [ABSPRI (w)]; |
3225 | |
5091 | |
3226 | ++idleall; |
5092 | ++idleall; |
3227 | ev_start (EV_A_ (W)w, active); |
5093 | ev_start (EV_A_ (W)w, active); |
3228 | |
5094 | |
3229 | array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2); |
5095 | array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, array_needsize_noinit); |
3230 | idles [ABSPRI (w)][active - 1] = w; |
5096 | idles [ABSPRI (w)][active - 1] = w; |
3231 | } |
5097 | } |
3232 | |
5098 | |
3233 | EV_FREQUENT_CHECK; |
5099 | EV_FREQUENT_CHECK; |
3234 | } |
5100 | } |
3235 | |
5101 | |
3236 | void |
5102 | void |
3237 | ev_idle_stop (EV_P_ ev_idle *w) |
5103 | ev_idle_stop (EV_P_ ev_idle *w) EV_NOEXCEPT |
3238 | { |
5104 | { |
3239 | clear_pending (EV_A_ (W)w); |
5105 | clear_pending (EV_A_ (W)w); |
3240 | if (expect_false (!ev_is_active (w))) |
5106 | if (ecb_expect_false (!ev_is_active (w))) |
3241 | return; |
5107 | return; |
3242 | |
5108 | |
3243 | EV_FREQUENT_CHECK; |
5109 | EV_FREQUENT_CHECK; |
3244 | |
5110 | |
3245 | { |
5111 | { |
… | |
… | |
3254 | |
5120 | |
3255 | EV_FREQUENT_CHECK; |
5121 | EV_FREQUENT_CHECK; |
3256 | } |
5122 | } |
3257 | #endif |
5123 | #endif |
3258 | |
5124 | |
|
|
5125 | #if EV_PREPARE_ENABLE |
3259 | void |
5126 | void |
3260 | ev_prepare_start (EV_P_ ev_prepare *w) |
5127 | ev_prepare_start (EV_P_ ev_prepare *w) EV_NOEXCEPT |
3261 | { |
5128 | { |
3262 | if (expect_false (ev_is_active (w))) |
5129 | if (ecb_expect_false (ev_is_active (w))) |
3263 | return; |
5130 | return; |
3264 | |
5131 | |
3265 | EV_FREQUENT_CHECK; |
5132 | EV_FREQUENT_CHECK; |
3266 | |
5133 | |
3267 | ev_start (EV_A_ (W)w, ++preparecnt); |
5134 | ev_start (EV_A_ (W)w, ++preparecnt); |
3268 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
5135 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, array_needsize_noinit); |
3269 | prepares [preparecnt - 1] = w; |
5136 | prepares [preparecnt - 1] = w; |
3270 | |
5137 | |
3271 | EV_FREQUENT_CHECK; |
5138 | EV_FREQUENT_CHECK; |
3272 | } |
5139 | } |
3273 | |
5140 | |
3274 | void |
5141 | void |
3275 | ev_prepare_stop (EV_P_ ev_prepare *w) |
5142 | ev_prepare_stop (EV_P_ ev_prepare *w) EV_NOEXCEPT |
3276 | { |
5143 | { |
3277 | clear_pending (EV_A_ (W)w); |
5144 | clear_pending (EV_A_ (W)w); |
3278 | if (expect_false (!ev_is_active (w))) |
5145 | if (ecb_expect_false (!ev_is_active (w))) |
3279 | return; |
5146 | return; |
3280 | |
5147 | |
3281 | EV_FREQUENT_CHECK; |
5148 | EV_FREQUENT_CHECK; |
3282 | |
5149 | |
3283 | { |
5150 | { |
… | |
… | |
3289 | |
5156 | |
3290 | ev_stop (EV_A_ (W)w); |
5157 | ev_stop (EV_A_ (W)w); |
3291 | |
5158 | |
3292 | EV_FREQUENT_CHECK; |
5159 | EV_FREQUENT_CHECK; |
3293 | } |
5160 | } |
|
|
5161 | #endif |
3294 | |
5162 | |
|
|
5163 | #if EV_CHECK_ENABLE |
3295 | void |
5164 | void |
3296 | ev_check_start (EV_P_ ev_check *w) |
5165 | ev_check_start (EV_P_ ev_check *w) EV_NOEXCEPT |
3297 | { |
5166 | { |
3298 | if (expect_false (ev_is_active (w))) |
5167 | if (ecb_expect_false (ev_is_active (w))) |
3299 | return; |
5168 | return; |
3300 | |
5169 | |
3301 | EV_FREQUENT_CHECK; |
5170 | EV_FREQUENT_CHECK; |
3302 | |
5171 | |
3303 | ev_start (EV_A_ (W)w, ++checkcnt); |
5172 | ev_start (EV_A_ (W)w, ++checkcnt); |
3304 | array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); |
5173 | array_needsize (ev_check *, checks, checkmax, checkcnt, array_needsize_noinit); |
3305 | checks [checkcnt - 1] = w; |
5174 | checks [checkcnt - 1] = w; |
3306 | |
5175 | |
3307 | EV_FREQUENT_CHECK; |
5176 | EV_FREQUENT_CHECK; |
3308 | } |
5177 | } |
3309 | |
5178 | |
3310 | void |
5179 | void |
3311 | ev_check_stop (EV_P_ ev_check *w) |
5180 | ev_check_stop (EV_P_ ev_check *w) EV_NOEXCEPT |
3312 | { |
5181 | { |
3313 | clear_pending (EV_A_ (W)w); |
5182 | clear_pending (EV_A_ (W)w); |
3314 | if (expect_false (!ev_is_active (w))) |
5183 | if (ecb_expect_false (!ev_is_active (w))) |
3315 | return; |
5184 | return; |
3316 | |
5185 | |
3317 | EV_FREQUENT_CHECK; |
5186 | EV_FREQUENT_CHECK; |
3318 | |
5187 | |
3319 | { |
5188 | { |
… | |
… | |
3325 | |
5194 | |
3326 | ev_stop (EV_A_ (W)w); |
5195 | ev_stop (EV_A_ (W)w); |
3327 | |
5196 | |
3328 | EV_FREQUENT_CHECK; |
5197 | EV_FREQUENT_CHECK; |
3329 | } |
5198 | } |
|
|
5199 | #endif |
3330 | |
5200 | |
3331 | #if EV_EMBED_ENABLE |
5201 | #if EV_EMBED_ENABLE |
3332 | void noinline |
5202 | ecb_noinline |
|
|
5203 | void |
3333 | ev_embed_sweep (EV_P_ ev_embed *w) |
5204 | ev_embed_sweep (EV_P_ ev_embed *w) EV_NOEXCEPT |
3334 | { |
5205 | { |
3335 | ev_loop (w->other, EVLOOP_NONBLOCK); |
5206 | ev_run (w->other, EVRUN_NOWAIT); |
3336 | } |
5207 | } |
3337 | |
5208 | |
3338 | static void |
5209 | static void |
3339 | embed_io_cb (EV_P_ ev_io *io, int revents) |
5210 | embed_io_cb (EV_P_ ev_io *io, int revents) |
3340 | { |
5211 | { |
3341 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
5212 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
3342 | |
5213 | |
3343 | if (ev_cb (w)) |
5214 | if (ev_cb (w)) |
3344 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
5215 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
3345 | else |
5216 | else |
3346 | ev_loop (w->other, EVLOOP_NONBLOCK); |
5217 | ev_run (w->other, EVRUN_NOWAIT); |
3347 | } |
5218 | } |
3348 | |
5219 | |
3349 | static void |
5220 | static void |
3350 | embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) |
5221 | embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) |
3351 | { |
5222 | { |
… | |
… | |
3355 | EV_P = w->other; |
5226 | EV_P = w->other; |
3356 | |
5227 | |
3357 | while (fdchangecnt) |
5228 | while (fdchangecnt) |
3358 | { |
5229 | { |
3359 | fd_reify (EV_A); |
5230 | fd_reify (EV_A); |
3360 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
5231 | ev_run (EV_A_ EVRUN_NOWAIT); |
3361 | } |
5232 | } |
3362 | } |
5233 | } |
3363 | } |
5234 | } |
3364 | |
5235 | |
|
|
5236 | #if EV_FORK_ENABLE |
3365 | static void |
5237 | static void |
3366 | embed_fork_cb (EV_P_ ev_fork *fork_w, int revents) |
5238 | embed_fork_cb (EV_P_ ev_fork *fork_w, int revents) |
3367 | { |
5239 | { |
3368 | ev_embed *w = (ev_embed *)(((char *)fork_w) - offsetof (ev_embed, fork)); |
5240 | ev_embed *w = (ev_embed *)(((char *)fork_w) - offsetof (ev_embed, fork)); |
3369 | |
5241 | |
… | |
… | |
3371 | |
5243 | |
3372 | { |
5244 | { |
3373 | EV_P = w->other; |
5245 | EV_P = w->other; |
3374 | |
5246 | |
3375 | ev_loop_fork (EV_A); |
5247 | ev_loop_fork (EV_A); |
3376 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
5248 | ev_run (EV_A_ EVRUN_NOWAIT); |
3377 | } |
5249 | } |
3378 | |
5250 | |
3379 | ev_embed_start (EV_A_ w); |
5251 | ev_embed_start (EV_A_ w); |
3380 | } |
5252 | } |
|
|
5253 | #endif |
3381 | |
5254 | |
3382 | #if 0 |
5255 | #if 0 |
3383 | static void |
5256 | static void |
3384 | embed_idle_cb (EV_P_ ev_idle *idle, int revents) |
5257 | embed_idle_cb (EV_P_ ev_idle *idle, int revents) |
3385 | { |
5258 | { |
3386 | ev_idle_stop (EV_A_ idle); |
5259 | ev_idle_stop (EV_A_ idle); |
3387 | } |
5260 | } |
3388 | #endif |
5261 | #endif |
3389 | |
5262 | |
3390 | void |
5263 | void |
3391 | ev_embed_start (EV_P_ ev_embed *w) |
5264 | ev_embed_start (EV_P_ ev_embed *w) EV_NOEXCEPT |
3392 | { |
5265 | { |
3393 | if (expect_false (ev_is_active (w))) |
5266 | if (ecb_expect_false (ev_is_active (w))) |
3394 | return; |
5267 | return; |
3395 | |
5268 | |
3396 | { |
5269 | { |
3397 | EV_P = w->other; |
5270 | EV_P = w->other; |
3398 | assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
5271 | assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
… | |
… | |
3406 | |
5279 | |
3407 | ev_prepare_init (&w->prepare, embed_prepare_cb); |
5280 | ev_prepare_init (&w->prepare, embed_prepare_cb); |
3408 | ev_set_priority (&w->prepare, EV_MINPRI); |
5281 | ev_set_priority (&w->prepare, EV_MINPRI); |
3409 | ev_prepare_start (EV_A_ &w->prepare); |
5282 | ev_prepare_start (EV_A_ &w->prepare); |
3410 | |
5283 | |
|
|
5284 | #if EV_FORK_ENABLE |
3411 | ev_fork_init (&w->fork, embed_fork_cb); |
5285 | ev_fork_init (&w->fork, embed_fork_cb); |
3412 | ev_fork_start (EV_A_ &w->fork); |
5286 | ev_fork_start (EV_A_ &w->fork); |
|
|
5287 | #endif |
3413 | |
5288 | |
3414 | /*ev_idle_init (&w->idle, e,bed_idle_cb);*/ |
5289 | /*ev_idle_init (&w->idle, e,bed_idle_cb);*/ |
3415 | |
5290 | |
3416 | ev_start (EV_A_ (W)w, 1); |
5291 | ev_start (EV_A_ (W)w, 1); |
3417 | |
5292 | |
3418 | EV_FREQUENT_CHECK; |
5293 | EV_FREQUENT_CHECK; |
3419 | } |
5294 | } |
3420 | |
5295 | |
3421 | void |
5296 | void |
3422 | ev_embed_stop (EV_P_ ev_embed *w) |
5297 | ev_embed_stop (EV_P_ ev_embed *w) EV_NOEXCEPT |
3423 | { |
5298 | { |
3424 | clear_pending (EV_A_ (W)w); |
5299 | clear_pending (EV_A_ (W)w); |
3425 | if (expect_false (!ev_is_active (w))) |
5300 | if (ecb_expect_false (!ev_is_active (w))) |
3426 | return; |
5301 | return; |
3427 | |
5302 | |
3428 | EV_FREQUENT_CHECK; |
5303 | EV_FREQUENT_CHECK; |
3429 | |
5304 | |
3430 | ev_io_stop (EV_A_ &w->io); |
5305 | ev_io_stop (EV_A_ &w->io); |
3431 | ev_prepare_stop (EV_A_ &w->prepare); |
5306 | ev_prepare_stop (EV_A_ &w->prepare); |
|
|
5307 | #if EV_FORK_ENABLE |
3432 | ev_fork_stop (EV_A_ &w->fork); |
5308 | ev_fork_stop (EV_A_ &w->fork); |
|
|
5309 | #endif |
3433 | |
5310 | |
3434 | ev_stop (EV_A_ (W)w); |
5311 | ev_stop (EV_A_ (W)w); |
3435 | |
5312 | |
3436 | EV_FREQUENT_CHECK; |
5313 | EV_FREQUENT_CHECK; |
3437 | } |
5314 | } |
3438 | #endif |
5315 | #endif |
3439 | |
5316 | |
3440 | #if EV_FORK_ENABLE |
5317 | #if EV_FORK_ENABLE |
3441 | void |
5318 | void |
3442 | ev_fork_start (EV_P_ ev_fork *w) |
5319 | ev_fork_start (EV_P_ ev_fork *w) EV_NOEXCEPT |
3443 | { |
5320 | { |
3444 | if (expect_false (ev_is_active (w))) |
5321 | if (ecb_expect_false (ev_is_active (w))) |
3445 | return; |
5322 | return; |
3446 | |
5323 | |
3447 | EV_FREQUENT_CHECK; |
5324 | EV_FREQUENT_CHECK; |
3448 | |
5325 | |
3449 | ev_start (EV_A_ (W)w, ++forkcnt); |
5326 | ev_start (EV_A_ (W)w, ++forkcnt); |
3450 | array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2); |
5327 | array_needsize (ev_fork *, forks, forkmax, forkcnt, array_needsize_noinit); |
3451 | forks [forkcnt - 1] = w; |
5328 | forks [forkcnt - 1] = w; |
3452 | |
5329 | |
3453 | EV_FREQUENT_CHECK; |
5330 | EV_FREQUENT_CHECK; |
3454 | } |
5331 | } |
3455 | |
5332 | |
3456 | void |
5333 | void |
3457 | ev_fork_stop (EV_P_ ev_fork *w) |
5334 | ev_fork_stop (EV_P_ ev_fork *w) EV_NOEXCEPT |
3458 | { |
5335 | { |
3459 | clear_pending (EV_A_ (W)w); |
5336 | clear_pending (EV_A_ (W)w); |
3460 | if (expect_false (!ev_is_active (w))) |
5337 | if (ecb_expect_false (!ev_is_active (w))) |
3461 | return; |
5338 | return; |
3462 | |
5339 | |
3463 | EV_FREQUENT_CHECK; |
5340 | EV_FREQUENT_CHECK; |
3464 | |
5341 | |
3465 | { |
5342 | { |
… | |
… | |
3473 | |
5350 | |
3474 | EV_FREQUENT_CHECK; |
5351 | EV_FREQUENT_CHECK; |
3475 | } |
5352 | } |
3476 | #endif |
5353 | #endif |
3477 | |
5354 | |
|
|
5355 | #if EV_CLEANUP_ENABLE |
|
|
5356 | void |
|
|
5357 | ev_cleanup_start (EV_P_ ev_cleanup *w) EV_NOEXCEPT |
|
|
5358 | { |
|
|
5359 | if (ecb_expect_false (ev_is_active (w))) |
|
|
5360 | return; |
|
|
5361 | |
|
|
5362 | EV_FREQUENT_CHECK; |
|
|
5363 | |
|
|
5364 | ev_start (EV_A_ (W)w, ++cleanupcnt); |
|
|
5365 | array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, array_needsize_noinit); |
|
|
5366 | cleanups [cleanupcnt - 1] = w; |
|
|
5367 | |
|
|
5368 | /* cleanup watchers should never keep a refcount on the loop */ |
|
|
5369 | ev_unref (EV_A); |
|
|
5370 | EV_FREQUENT_CHECK; |
|
|
5371 | } |
|
|
5372 | |
|
|
5373 | void |
|
|
5374 | ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_NOEXCEPT |
|
|
5375 | { |
|
|
5376 | clear_pending (EV_A_ (W)w); |
|
|
5377 | if (ecb_expect_false (!ev_is_active (w))) |
|
|
5378 | return; |
|
|
5379 | |
|
|
5380 | EV_FREQUENT_CHECK; |
|
|
5381 | ev_ref (EV_A); |
|
|
5382 | |
|
|
5383 | { |
|
|
5384 | int active = ev_active (w); |
|
|
5385 | |
|
|
5386 | cleanups [active - 1] = cleanups [--cleanupcnt]; |
|
|
5387 | ev_active (cleanups [active - 1]) = active; |
|
|
5388 | } |
|
|
5389 | |
|
|
5390 | ev_stop (EV_A_ (W)w); |
|
|
5391 | |
|
|
5392 | EV_FREQUENT_CHECK; |
|
|
5393 | } |
|
|
5394 | #endif |
|
|
5395 | |
3478 | #if EV_ASYNC_ENABLE |
5396 | #if EV_ASYNC_ENABLE |
3479 | void |
5397 | void |
3480 | ev_async_start (EV_P_ ev_async *w) |
5398 | ev_async_start (EV_P_ ev_async *w) EV_NOEXCEPT |
3481 | { |
5399 | { |
3482 | if (expect_false (ev_is_active (w))) |
5400 | if (ecb_expect_false (ev_is_active (w))) |
3483 | return; |
5401 | return; |
3484 | |
5402 | |
|
|
5403 | w->sent = 0; |
|
|
5404 | |
3485 | evpipe_init (EV_A); |
5405 | evpipe_init (EV_A); |
3486 | |
5406 | |
3487 | EV_FREQUENT_CHECK; |
5407 | EV_FREQUENT_CHECK; |
3488 | |
5408 | |
3489 | ev_start (EV_A_ (W)w, ++asynccnt); |
5409 | ev_start (EV_A_ (W)w, ++asynccnt); |
3490 | array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2); |
5410 | array_needsize (ev_async *, asyncs, asyncmax, asynccnt, array_needsize_noinit); |
3491 | asyncs [asynccnt - 1] = w; |
5411 | asyncs [asynccnt - 1] = w; |
3492 | |
5412 | |
3493 | EV_FREQUENT_CHECK; |
5413 | EV_FREQUENT_CHECK; |
3494 | } |
5414 | } |
3495 | |
5415 | |
3496 | void |
5416 | void |
3497 | ev_async_stop (EV_P_ ev_async *w) |
5417 | ev_async_stop (EV_P_ ev_async *w) EV_NOEXCEPT |
3498 | { |
5418 | { |
3499 | clear_pending (EV_A_ (W)w); |
5419 | clear_pending (EV_A_ (W)w); |
3500 | if (expect_false (!ev_is_active (w))) |
5420 | if (ecb_expect_false (!ev_is_active (w))) |
3501 | return; |
5421 | return; |
3502 | |
5422 | |
3503 | EV_FREQUENT_CHECK; |
5423 | EV_FREQUENT_CHECK; |
3504 | |
5424 | |
3505 | { |
5425 | { |
… | |
… | |
3513 | |
5433 | |
3514 | EV_FREQUENT_CHECK; |
5434 | EV_FREQUENT_CHECK; |
3515 | } |
5435 | } |
3516 | |
5436 | |
3517 | void |
5437 | void |
3518 | ev_async_send (EV_P_ ev_async *w) |
5438 | ev_async_send (EV_P_ ev_async *w) EV_NOEXCEPT |
3519 | { |
5439 | { |
3520 | w->sent = 1; |
5440 | w->sent = 1; |
3521 | evpipe_write (EV_A_ &async_pending); |
5441 | evpipe_write (EV_A_ &async_pending); |
3522 | } |
5442 | } |
3523 | #endif |
5443 | #endif |
… | |
… | |
3560 | |
5480 | |
3561 | once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); |
5481 | once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); |
3562 | } |
5482 | } |
3563 | |
5483 | |
3564 | void |
5484 | void |
3565 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
5485 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_NOEXCEPT |
3566 | { |
5486 | { |
3567 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
5487 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
3568 | |
|
|
3569 | if (expect_false (!once)) |
|
|
3570 | { |
|
|
3571 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); |
|
|
3572 | return; |
|
|
3573 | } |
|
|
3574 | |
5488 | |
3575 | once->cb = cb; |
5489 | once->cb = cb; |
3576 | once->arg = arg; |
5490 | once->arg = arg; |
3577 | |
5491 | |
3578 | ev_init (&once->io, once_cb_io); |
5492 | ev_init (&once->io, once_cb_io); |
… | |
… | |
3591 | } |
5505 | } |
3592 | |
5506 | |
3593 | /*****************************************************************************/ |
5507 | /*****************************************************************************/ |
3594 | |
5508 | |
3595 | #if EV_WALK_ENABLE |
5509 | #if EV_WALK_ENABLE |
|
|
5510 | ecb_cold |
3596 | void |
5511 | void |
3597 | ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) |
5512 | ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_NOEXCEPT |
3598 | { |
5513 | { |
3599 | int i, j; |
5514 | int i, j; |
3600 | ev_watcher_list *wl, *wn; |
5515 | ev_watcher_list *wl, *wn; |
3601 | |
5516 | |
3602 | if (types & (EV_IO | EV_EMBED)) |
5517 | if (types & (EV_IO | EV_EMBED)) |
… | |
… | |
3645 | cb (EV_A_ EV_PERIODIC, ANHE_w (periodics [i])); |
5560 | cb (EV_A_ EV_PERIODIC, ANHE_w (periodics [i])); |
3646 | #endif |
5561 | #endif |
3647 | |
5562 | |
3648 | #if EV_IDLE_ENABLE |
5563 | #if EV_IDLE_ENABLE |
3649 | if (types & EV_IDLE) |
5564 | if (types & EV_IDLE) |
3650 | for (j = NUMPRI; i--; ) |
5565 | for (j = NUMPRI; j--; ) |
3651 | for (i = idlecnt [j]; i--; ) |
5566 | for (i = idlecnt [j]; i--; ) |
3652 | cb (EV_A_ EV_IDLE, idles [j][i]); |
5567 | cb (EV_A_ EV_IDLE, idles [j][i]); |
3653 | #endif |
5568 | #endif |
3654 | |
5569 | |
3655 | #if EV_FORK_ENABLE |
5570 | #if EV_FORK_ENABLE |
… | |
… | |
3663 | if (types & EV_ASYNC) |
5578 | if (types & EV_ASYNC) |
3664 | for (i = asynccnt; i--; ) |
5579 | for (i = asynccnt; i--; ) |
3665 | cb (EV_A_ EV_ASYNC, asyncs [i]); |
5580 | cb (EV_A_ EV_ASYNC, asyncs [i]); |
3666 | #endif |
5581 | #endif |
3667 | |
5582 | |
|
|
5583 | #if EV_PREPARE_ENABLE |
3668 | if (types & EV_PREPARE) |
5584 | if (types & EV_PREPARE) |
3669 | for (i = preparecnt; i--; ) |
5585 | for (i = preparecnt; i--; ) |
3670 | #if EV_EMBED_ENABLE |
5586 | # if EV_EMBED_ENABLE |
3671 | if (ev_cb (prepares [i]) != embed_prepare_cb) |
5587 | if (ev_cb (prepares [i]) != embed_prepare_cb) |
3672 | #endif |
5588 | # endif |
3673 | cb (EV_A_ EV_PREPARE, prepares [i]); |
5589 | cb (EV_A_ EV_PREPARE, prepares [i]); |
|
|
5590 | #endif |
3674 | |
5591 | |
|
|
5592 | #if EV_CHECK_ENABLE |
3675 | if (types & EV_CHECK) |
5593 | if (types & EV_CHECK) |
3676 | for (i = checkcnt; i--; ) |
5594 | for (i = checkcnt; i--; ) |
3677 | cb (EV_A_ EV_CHECK, checks [i]); |
5595 | cb (EV_A_ EV_CHECK, checks [i]); |
|
|
5596 | #endif |
3678 | |
5597 | |
|
|
5598 | #if EV_SIGNAL_ENABLE |
3679 | if (types & EV_SIGNAL) |
5599 | if (types & EV_SIGNAL) |
3680 | for (i = 0; i < EV_NSIG - 1; ++i) |
5600 | for (i = 0; i < EV_NSIG - 1; ++i) |
3681 | for (wl = signals [i].head; wl; ) |
5601 | for (wl = signals [i].head; wl; ) |
3682 | { |
5602 | { |
3683 | wn = wl->next; |
5603 | wn = wl->next; |
3684 | cb (EV_A_ EV_SIGNAL, wl); |
5604 | cb (EV_A_ EV_SIGNAL, wl); |
3685 | wl = wn; |
5605 | wl = wn; |
3686 | } |
5606 | } |
|
|
5607 | #endif |
3687 | |
5608 | |
|
|
5609 | #if EV_CHILD_ENABLE |
3688 | if (types & EV_CHILD) |
5610 | if (types & EV_CHILD) |
3689 | for (i = EV_PID_HASHSIZE; i--; ) |
5611 | for (i = (EV_PID_HASHSIZE); i--; ) |
3690 | for (wl = childs [i]; wl; ) |
5612 | for (wl = childs [i]; wl; ) |
3691 | { |
5613 | { |
3692 | wn = wl->next; |
5614 | wn = wl->next; |
3693 | cb (EV_A_ EV_CHILD, wl); |
5615 | cb (EV_A_ EV_CHILD, wl); |
3694 | wl = wn; |
5616 | wl = wn; |
3695 | } |
5617 | } |
|
|
5618 | #endif |
3696 | /* EV_STAT 0x00001000 /* stat data changed */ |
5619 | /* EV_STAT 0x00001000 /* stat data changed */ |
3697 | /* EV_EMBED 0x00010000 /* embedded event loop needs sweep */ |
5620 | /* EV_EMBED 0x00010000 /* embedded event loop needs sweep */ |
3698 | } |
5621 | } |
3699 | #endif |
5622 | #endif |
3700 | |
5623 | |
3701 | #if EV_MULTIPLICITY |
5624 | #if EV_MULTIPLICITY |
3702 | #include "ev_wrap.h" |
5625 | #include "ev_wrap.h" |
3703 | #endif |
5626 | #endif |
3704 | |
5627 | |
3705 | #ifdef __cplusplus |
|
|
3706 | } |
|
|
3707 | #endif |
|
|
3708 | |
|
|