1 | /* |
1 | /* |
2 | * libev event processing core, watcher management |
2 | * libev event processing core, watcher management |
3 | * |
3 | * |
4 | * Copyright (c) 2007,2008,2009 Marc Alexander Lehmann <libev@schmorp.de> |
4 | * Copyright (c) 2007-2018 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 | |
|
|
120 | # if HAVE_KQUEUE && HAVE_SYS_EVENT_H |
114 | # ifndef EV_USE_KQUEUE |
121 | # ifndef EV_USE_KQUEUE |
115 | # if HAVE_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H |
122 | # define EV_USE_KQUEUE EV_FEATURE_BACKENDS |
116 | # define EV_USE_KQUEUE 1 |
|
|
117 | # else |
|
|
118 | # define EV_USE_KQUEUE 0 |
|
|
119 | # endif |
123 | # endif |
|
|
124 | # else |
|
|
125 | # undef EV_USE_KQUEUE |
|
|
126 | # define EV_USE_KQUEUE 0 |
120 | # endif |
127 | # endif |
121 | |
128 | |
122 | # ifndef EV_USE_PORT |
|
|
123 | # if HAVE_PORT_H && HAVE_PORT_CREATE |
129 | # if HAVE_PORT_H && HAVE_PORT_CREATE |
124 | # define EV_USE_PORT 1 |
130 | # ifndef EV_USE_PORT |
125 | # else |
131 | # define EV_USE_PORT EV_FEATURE_BACKENDS |
126 | # define EV_USE_PORT 0 |
|
|
127 | # endif |
132 | # endif |
|
|
133 | # else |
|
|
134 | # undef EV_USE_PORT |
|
|
135 | # define EV_USE_PORT 0 |
128 | # endif |
136 | # endif |
129 | |
137 | |
130 | # ifndef EV_USE_INOTIFY |
|
|
131 | # if HAVE_INOTIFY_INIT && HAVE_SYS_INOTIFY_H |
138 | # if HAVE_INOTIFY_INIT && HAVE_SYS_INOTIFY_H |
132 | # define EV_USE_INOTIFY 1 |
139 | # ifndef EV_USE_INOTIFY |
133 | # else |
|
|
134 | # define EV_USE_INOTIFY 0 |
140 | # define EV_USE_INOTIFY EV_FEATURE_OS |
135 | # endif |
141 | # endif |
|
|
142 | # else |
|
|
143 | # undef EV_USE_INOTIFY |
|
|
144 | # define EV_USE_INOTIFY 0 |
136 | # endif |
145 | # endif |
137 | |
146 | |
138 | # ifndef EV_USE_SIGNALFD |
|
|
139 | # if HAVE_SIGNALFD && HAVE_SYS_SIGNALFD_H |
147 | # if HAVE_SIGNALFD && HAVE_SYS_SIGNALFD_H |
140 | # define EV_USE_SIGNALFD 1 |
148 | # ifndef EV_USE_SIGNALFD |
141 | # else |
|
|
142 | # define EV_USE_SIGNALFD 0 |
149 | # define EV_USE_SIGNALFD EV_FEATURE_OS |
143 | # endif |
150 | # endif |
|
|
151 | # else |
|
|
152 | # undef EV_USE_SIGNALFD |
|
|
153 | # define EV_USE_SIGNALFD 0 |
144 | # endif |
154 | # endif |
145 | |
155 | |
|
|
156 | # if HAVE_EVENTFD |
146 | # ifndef EV_USE_EVENTFD |
157 | # ifndef EV_USE_EVENTFD |
147 | # if HAVE_EVENTFD |
|
|
148 | # define EV_USE_EVENTFD 1 |
158 | # define EV_USE_EVENTFD EV_FEATURE_OS |
149 | # else |
|
|
150 | # define EV_USE_EVENTFD 0 |
|
|
151 | # endif |
159 | # endif |
|
|
160 | # else |
|
|
161 | # undef EV_USE_EVENTFD |
|
|
162 | # define EV_USE_EVENTFD 0 |
152 | # endif |
163 | # endif |
153 | |
164 | |
154 | #endif |
165 | #endif |
155 | |
166 | |
156 | #include <math.h> |
167 | /* OS X, in its infinite idiocy, actually HARDCODES |
|
|
168 | * a limit of 1024 into their select. Where people have brains, |
|
|
169 | * OS X engineers apparently have a vacuum. Or maybe they were |
|
|
170 | * ordered to have a vacuum, or they do anything for money. |
|
|
171 | * This might help. Or not. |
|
|
172 | * Note that this must be defined early, as other include files |
|
|
173 | * will rely on this define as well. |
|
|
174 | */ |
|
|
175 | #define _DARWIN_UNLIMITED_SELECT 1 |
|
|
176 | |
157 | #include <stdlib.h> |
177 | #include <stdlib.h> |
|
|
178 | #include <string.h> |
158 | #include <fcntl.h> |
179 | #include <fcntl.h> |
159 | #include <stddef.h> |
180 | #include <stddef.h> |
160 | |
181 | |
161 | #include <stdio.h> |
182 | #include <stdio.h> |
162 | |
183 | |
163 | #include <assert.h> |
184 | #include <assert.h> |
164 | #include <errno.h> |
185 | #include <errno.h> |
165 | #include <sys/types.h> |
186 | #include <sys/types.h> |
166 | #include <time.h> |
187 | #include <time.h> |
|
|
188 | #include <limits.h> |
167 | |
189 | |
168 | #include <signal.h> |
190 | #include <signal.h> |
169 | |
191 | |
170 | #ifdef EV_H |
192 | #ifdef EV_H |
171 | # include EV_H |
193 | # include EV_H |
172 | #else |
194 | #else |
173 | # include "ev.h" |
195 | # include "ev.h" |
|
|
196 | #endif |
|
|
197 | |
|
|
198 | #if EV_NO_THREADS |
|
|
199 | # undef EV_NO_SMP |
|
|
200 | # define EV_NO_SMP 1 |
|
|
201 | # undef ECB_NO_THREADS |
|
|
202 | # define ECB_NO_THREADS 1 |
|
|
203 | #endif |
|
|
204 | #if EV_NO_SMP |
|
|
205 | # undef EV_NO_SMP |
|
|
206 | # define ECB_NO_SMP 1 |
174 | #endif |
207 | #endif |
175 | |
208 | |
176 | #ifndef _WIN32 |
209 | #ifndef _WIN32 |
177 | # include <sys/time.h> |
210 | # include <sys/time.h> |
178 | # include <sys/wait.h> |
211 | # include <sys/wait.h> |
179 | # include <unistd.h> |
212 | # include <unistd.h> |
180 | #else |
213 | #else |
181 | # include <io.h> |
214 | # include <io.h> |
182 | # define WIN32_LEAN_AND_MEAN |
215 | # define WIN32_LEAN_AND_MEAN |
|
|
216 | # include <winsock2.h> |
183 | # include <windows.h> |
217 | # include <windows.h> |
184 | # ifndef EV_SELECT_IS_WINSOCKET |
218 | # ifndef EV_SELECT_IS_WINSOCKET |
185 | # define EV_SELECT_IS_WINSOCKET 1 |
219 | # define EV_SELECT_IS_WINSOCKET 1 |
186 | # endif |
220 | # endif |
|
|
221 | # undef EV_AVOID_STDIO |
187 | #endif |
222 | #endif |
188 | |
223 | |
189 | /* this block tries to deduce configuration from header-defined symbols and defaults */ |
224 | /* this block tries to deduce configuration from header-defined symbols and defaults */ |
190 | |
225 | |
191 | /* try to deduce the maximum number of signals on this platform */ |
226 | /* try to deduce the maximum number of signals on this platform */ |
192 | #if defined (EV_NSIG) |
227 | #if defined EV_NSIG |
193 | /* use what's provided */ |
228 | /* use what's provided */ |
194 | #elif defined (NSIG) |
229 | #elif defined NSIG |
195 | # define EV_NSIG (NSIG) |
230 | # define EV_NSIG (NSIG) |
196 | #elif defined(_NSIG) |
231 | #elif defined _NSIG |
197 | # define EV_NSIG (_NSIG) |
232 | # define EV_NSIG (_NSIG) |
198 | #elif defined (SIGMAX) |
233 | #elif defined SIGMAX |
199 | # define EV_NSIG (SIGMAX+1) |
234 | # define EV_NSIG (SIGMAX+1) |
200 | #elif defined (SIG_MAX) |
235 | #elif defined SIG_MAX |
201 | # define EV_NSIG (SIG_MAX+1) |
236 | # define EV_NSIG (SIG_MAX+1) |
202 | #elif defined (_SIG_MAX) |
237 | #elif defined _SIG_MAX |
203 | # define EV_NSIG (_SIG_MAX+1) |
238 | # define EV_NSIG (_SIG_MAX+1) |
204 | #elif defined (MAXSIG) |
239 | #elif defined MAXSIG |
205 | # define EV_NSIG (MAXSIG+1) |
240 | # define EV_NSIG (MAXSIG+1) |
206 | #elif defined (MAX_SIG) |
241 | #elif defined MAX_SIG |
207 | # define EV_NSIG (MAX_SIG+1) |
242 | # define EV_NSIG (MAX_SIG+1) |
208 | #elif defined (SIGARRAYSIZE) |
243 | #elif defined SIGARRAYSIZE |
209 | # define EV_NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */ |
244 | # define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */ |
210 | #elif defined (_sys_nsig) |
245 | #elif defined _sys_nsig |
211 | # define EV_NSIG (_sys_nsig) /* Solaris 2.5 */ |
246 | # define EV_NSIG (_sys_nsig) /* Solaris 2.5 */ |
212 | #else |
247 | #else |
213 | # error "unable to find value for NSIG, please report" |
248 | # define EV_NSIG (8 * sizeof (sigset_t) + 1) |
214 | /* to make it compile regardless, just remove the above line */ |
249 | #endif |
215 | # define EV_NSIG 65 |
250 | |
|
|
251 | #ifndef EV_USE_FLOOR |
|
|
252 | # define EV_USE_FLOOR 0 |
216 | #endif |
253 | #endif |
217 | |
254 | |
218 | #ifndef EV_USE_CLOCK_SYSCALL |
255 | #ifndef EV_USE_CLOCK_SYSCALL |
219 | # if __linux && __GLIBC__ >= 2 |
256 | # if __linux && __GLIBC__ == 2 && __GLIBC_MINOR__ < 17 |
220 | # define EV_USE_CLOCK_SYSCALL 1 |
257 | # define EV_USE_CLOCK_SYSCALL EV_FEATURE_OS |
221 | # else |
258 | # else |
222 | # define EV_USE_CLOCK_SYSCALL 0 |
259 | # define EV_USE_CLOCK_SYSCALL 0 |
223 | # endif |
260 | # endif |
224 | #endif |
261 | #endif |
225 | |
262 | |
|
|
263 | #if !(_POSIX_TIMERS > 0) |
|
|
264 | # ifndef EV_USE_MONOTONIC |
|
|
265 | # define EV_USE_MONOTONIC 0 |
|
|
266 | # endif |
|
|
267 | # ifndef EV_USE_REALTIME |
|
|
268 | # define EV_USE_REALTIME 0 |
|
|
269 | # endif |
|
|
270 | #endif |
|
|
271 | |
226 | #ifndef EV_USE_MONOTONIC |
272 | #ifndef EV_USE_MONOTONIC |
227 | # if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0 |
273 | # if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0 |
228 | # define EV_USE_MONOTONIC 1 |
274 | # define EV_USE_MONOTONIC EV_FEATURE_OS |
229 | # else |
275 | # else |
230 | # define EV_USE_MONOTONIC 0 |
276 | # define EV_USE_MONOTONIC 0 |
231 | # endif |
277 | # endif |
232 | #endif |
278 | #endif |
233 | |
279 | |
… | |
… | |
235 | # define EV_USE_REALTIME !EV_USE_CLOCK_SYSCALL |
281 | # define EV_USE_REALTIME !EV_USE_CLOCK_SYSCALL |
236 | #endif |
282 | #endif |
237 | |
283 | |
238 | #ifndef EV_USE_NANOSLEEP |
284 | #ifndef EV_USE_NANOSLEEP |
239 | # if _POSIX_C_SOURCE >= 199309L |
285 | # if _POSIX_C_SOURCE >= 199309L |
240 | # define EV_USE_NANOSLEEP 1 |
286 | # define EV_USE_NANOSLEEP EV_FEATURE_OS |
241 | # else |
287 | # else |
242 | # define EV_USE_NANOSLEEP 0 |
288 | # define EV_USE_NANOSLEEP 0 |
243 | # endif |
289 | # endif |
244 | #endif |
290 | #endif |
245 | |
291 | |
246 | #ifndef EV_USE_SELECT |
292 | #ifndef EV_USE_SELECT |
247 | # define EV_USE_SELECT 1 |
293 | # define EV_USE_SELECT EV_FEATURE_BACKENDS |
248 | #endif |
294 | #endif |
249 | |
295 | |
250 | #ifndef EV_USE_POLL |
296 | #ifndef EV_USE_POLL |
251 | # ifdef _WIN32 |
297 | # ifdef _WIN32 |
252 | # define EV_USE_POLL 0 |
298 | # define EV_USE_POLL 0 |
253 | # else |
299 | # else |
254 | # define EV_USE_POLL 1 |
300 | # define EV_USE_POLL EV_FEATURE_BACKENDS |
255 | # endif |
301 | # endif |
256 | #endif |
302 | #endif |
257 | |
303 | |
258 | #ifndef EV_USE_EPOLL |
304 | #ifndef EV_USE_EPOLL |
259 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
305 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
260 | # define EV_USE_EPOLL 1 |
306 | # define EV_USE_EPOLL EV_FEATURE_BACKENDS |
261 | # else |
307 | # else |
262 | # define EV_USE_EPOLL 0 |
308 | # define EV_USE_EPOLL 0 |
263 | # endif |
309 | # endif |
264 | #endif |
310 | #endif |
265 | |
311 | |
… | |
… | |
271 | # define EV_USE_PORT 0 |
317 | # define EV_USE_PORT 0 |
272 | #endif |
318 | #endif |
273 | |
319 | |
274 | #ifndef EV_USE_INOTIFY |
320 | #ifndef EV_USE_INOTIFY |
275 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
321 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
276 | # define EV_USE_INOTIFY 1 |
322 | # define EV_USE_INOTIFY EV_FEATURE_OS |
277 | # else |
323 | # else |
278 | # define EV_USE_INOTIFY 0 |
324 | # define EV_USE_INOTIFY 0 |
279 | # endif |
325 | # endif |
280 | #endif |
326 | #endif |
281 | |
327 | |
282 | #ifndef EV_PID_HASHSIZE |
328 | #ifndef EV_PID_HASHSIZE |
283 | # if EV_MINIMAL |
329 | # define EV_PID_HASHSIZE EV_FEATURE_DATA ? 16 : 1 |
284 | # define EV_PID_HASHSIZE 1 |
|
|
285 | # else |
|
|
286 | # define EV_PID_HASHSIZE 16 |
|
|
287 | # endif |
|
|
288 | #endif |
330 | #endif |
289 | |
331 | |
290 | #ifndef EV_INOTIFY_HASHSIZE |
332 | #ifndef EV_INOTIFY_HASHSIZE |
291 | # if EV_MINIMAL |
333 | # define EV_INOTIFY_HASHSIZE EV_FEATURE_DATA ? 16 : 1 |
292 | # define EV_INOTIFY_HASHSIZE 1 |
|
|
293 | # else |
|
|
294 | # define EV_INOTIFY_HASHSIZE 16 |
|
|
295 | # endif |
|
|
296 | #endif |
334 | #endif |
297 | |
335 | |
298 | #ifndef EV_USE_EVENTFD |
336 | #ifndef EV_USE_EVENTFD |
299 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
337 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
300 | # define EV_USE_EVENTFD 1 |
338 | # define EV_USE_EVENTFD EV_FEATURE_OS |
301 | # else |
339 | # else |
302 | # define EV_USE_EVENTFD 0 |
340 | # define EV_USE_EVENTFD 0 |
303 | # endif |
341 | # endif |
304 | #endif |
342 | #endif |
305 | |
343 | |
306 | #ifndef EV_USE_SIGNALFD |
344 | #ifndef EV_USE_SIGNALFD |
307 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 9)) |
345 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
308 | # define EV_USE_SIGNALFD 1 |
346 | # define EV_USE_SIGNALFD EV_FEATURE_OS |
309 | # else |
347 | # else |
310 | # define EV_USE_SIGNALFD 0 |
348 | # define EV_USE_SIGNALFD 0 |
311 | # endif |
349 | # endif |
312 | #endif |
350 | #endif |
313 | |
351 | |
… | |
… | |
316 | # define EV_USE_4HEAP 1 |
354 | # define EV_USE_4HEAP 1 |
317 | # define EV_HEAP_CACHE_AT 1 |
355 | # define EV_HEAP_CACHE_AT 1 |
318 | #endif |
356 | #endif |
319 | |
357 | |
320 | #ifndef EV_VERIFY |
358 | #ifndef EV_VERIFY |
321 | # define EV_VERIFY !EV_MINIMAL |
359 | # define EV_VERIFY (EV_FEATURE_API ? 1 : 0) |
322 | #endif |
360 | #endif |
323 | |
361 | |
324 | #ifndef EV_USE_4HEAP |
362 | #ifndef EV_USE_4HEAP |
325 | # define EV_USE_4HEAP !EV_MINIMAL |
363 | # define EV_USE_4HEAP EV_FEATURE_DATA |
326 | #endif |
364 | #endif |
327 | |
365 | |
328 | #ifndef EV_HEAP_CACHE_AT |
366 | #ifndef EV_HEAP_CACHE_AT |
329 | # define EV_HEAP_CACHE_AT !EV_MINIMAL |
367 | # define EV_HEAP_CACHE_AT EV_FEATURE_DATA |
|
|
368 | #endif |
|
|
369 | |
|
|
370 | #ifdef __ANDROID__ |
|
|
371 | /* supposedly, android doesn't typedef fd_mask */ |
|
|
372 | # undef EV_USE_SELECT |
|
|
373 | # define EV_USE_SELECT 0 |
|
|
374 | /* supposedly, we need to include syscall.h, not sys/syscall.h, so just disable */ |
|
|
375 | # undef EV_USE_CLOCK_SYSCALL |
|
|
376 | # define EV_USE_CLOCK_SYSCALL 0 |
|
|
377 | #endif |
|
|
378 | |
|
|
379 | /* aix's poll.h seems to cause lots of trouble */ |
|
|
380 | #ifdef _AIX |
|
|
381 | /* AIX has a completely broken poll.h header */ |
|
|
382 | # undef EV_USE_POLL |
|
|
383 | # define EV_USE_POLL 0 |
330 | #endif |
384 | #endif |
331 | |
385 | |
332 | /* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */ |
386 | /* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */ |
333 | /* which makes programs even slower. might work on other unices, too. */ |
387 | /* which makes programs even slower. might work on other unices, too. */ |
334 | #if EV_USE_CLOCK_SYSCALL |
388 | #if EV_USE_CLOCK_SYSCALL |
335 | # include <syscall.h> |
389 | # include <sys/syscall.h> |
336 | # ifdef SYS_clock_gettime |
390 | # ifdef SYS_clock_gettime |
337 | # define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) |
391 | # define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) |
338 | # undef EV_USE_MONOTONIC |
392 | # undef EV_USE_MONOTONIC |
339 | # define EV_USE_MONOTONIC 1 |
393 | # define EV_USE_MONOTONIC 1 |
340 | # else |
394 | # else |
… | |
… | |
359 | # undef EV_USE_INOTIFY |
413 | # undef EV_USE_INOTIFY |
360 | # define EV_USE_INOTIFY 0 |
414 | # define EV_USE_INOTIFY 0 |
361 | #endif |
415 | #endif |
362 | |
416 | |
363 | #if !EV_USE_NANOSLEEP |
417 | #if !EV_USE_NANOSLEEP |
364 | # ifndef _WIN32 |
418 | /* hp-ux has it in sys/time.h, which we unconditionally include above */ |
|
|
419 | # if !defined _WIN32 && !defined __hpux |
365 | # include <sys/select.h> |
420 | # include <sys/select.h> |
366 | # endif |
421 | # endif |
367 | #endif |
422 | #endif |
368 | |
423 | |
369 | #if EV_USE_INOTIFY |
424 | #if EV_USE_INOTIFY |
370 | # include <sys/utsname.h> |
|
|
371 | # include <sys/statfs.h> |
425 | # include <sys/statfs.h> |
372 | # include <sys/inotify.h> |
426 | # include <sys/inotify.h> |
373 | /* some very old inotify.h headers don't have IN_DONT_FOLLOW */ |
427 | /* some very old inotify.h headers don't have IN_DONT_FOLLOW */ |
374 | # ifndef IN_DONT_FOLLOW |
428 | # ifndef IN_DONT_FOLLOW |
375 | # undef EV_USE_INOTIFY |
429 | # undef EV_USE_INOTIFY |
376 | # define EV_USE_INOTIFY 0 |
430 | # define EV_USE_INOTIFY 0 |
377 | # endif |
431 | # endif |
378 | #endif |
432 | #endif |
379 | |
433 | |
380 | #if EV_SELECT_IS_WINSOCKET |
|
|
381 | # include <winsock.h> |
|
|
382 | #endif |
|
|
383 | |
|
|
384 | #if EV_USE_EVENTFD |
434 | #if EV_USE_EVENTFD |
385 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
435 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
386 | # include <stdint.h> |
436 | # include <stdint.h> |
387 | # ifndef EFD_NONBLOCK |
437 | # ifndef EFD_NONBLOCK |
388 | # define EFD_NONBLOCK O_NONBLOCK |
438 | # define EFD_NONBLOCK O_NONBLOCK |
389 | # endif |
439 | # endif |
390 | # ifndef EFD_CLOEXEC |
440 | # ifndef EFD_CLOEXEC |
|
|
441 | # ifdef O_CLOEXEC |
391 | # define EFD_CLOEXEC O_CLOEXEC |
442 | # define EFD_CLOEXEC O_CLOEXEC |
|
|
443 | # else |
|
|
444 | # define EFD_CLOEXEC 02000000 |
|
|
445 | # endif |
392 | # endif |
446 | # endif |
393 | # ifdef __cplusplus |
447 | EV_CPP(extern "C") int (eventfd) (unsigned int initval, int flags); |
394 | extern "C" { |
448 | #endif |
|
|
449 | |
|
|
450 | #if EV_USE_SIGNALFD |
|
|
451 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
|
|
452 | # include <stdint.h> |
|
|
453 | # ifndef SFD_NONBLOCK |
|
|
454 | # define SFD_NONBLOCK O_NONBLOCK |
395 | # endif |
455 | # endif |
396 | int eventfd (unsigned int initval, int flags); |
456 | # ifndef SFD_CLOEXEC |
397 | # ifdef __cplusplus |
457 | # ifdef O_CLOEXEC |
398 | } |
458 | # define SFD_CLOEXEC O_CLOEXEC |
|
|
459 | # else |
|
|
460 | # define SFD_CLOEXEC 02000000 |
|
|
461 | # endif |
399 | # endif |
462 | # endif |
400 | #endif |
463 | EV_CPP (extern "C") int signalfd (int fd, const sigset_t *mask, int flags); |
401 | |
464 | |
402 | #if EV_USE_SIGNALFD |
465 | struct signalfd_siginfo |
403 | # include <sys/signalfd.h> |
466 | { |
|
|
467 | uint32_t ssi_signo; |
|
|
468 | char pad[128 - sizeof (uint32_t)]; |
|
|
469 | }; |
404 | #endif |
470 | #endif |
405 | |
471 | |
406 | /**/ |
472 | /**/ |
407 | |
473 | |
408 | #if EV_VERIFY >= 3 |
474 | #if EV_VERIFY >= 3 |
409 | # define EV_FREQUENT_CHECK ev_loop_verify (EV_A) |
475 | # define EV_FREQUENT_CHECK ev_verify (EV_A) |
410 | #else |
476 | #else |
411 | # define EV_FREQUENT_CHECK do { } while (0) |
477 | # define EV_FREQUENT_CHECK do { } while (0) |
412 | #endif |
478 | #endif |
413 | |
479 | |
414 | /* |
480 | /* |
415 | * This is used to avoid floating point rounding problems. |
481 | * This is used to work around floating point rounding problems. |
416 | * It is added to ev_rt_now when scheduling periodics |
|
|
417 | * to ensure progress, time-wise, even when rounding |
|
|
418 | * errors are against us. |
|
|
419 | * This value is good at least till the year 4000. |
482 | * This value is good at least till the year 4000. |
420 | * Better solutions welcome. |
|
|
421 | */ |
483 | */ |
422 | #define TIME_EPSILON 0.0001220703125 /* 1/8192 */ |
484 | #define MIN_INTERVAL 0.0001220703125 /* 1/2**13, good till 4000 */ |
|
|
485 | /*#define MIN_INTERVAL 0.00000095367431640625 /* 1/2**20, good till 2200 */ |
423 | |
486 | |
424 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
487 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
425 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
488 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
426 | /*#define CLEANUP_INTERVAL (MAX_BLOCKTIME * 5.) /* how often to try to free memory and re-check fds, TODO */ |
|
|
427 | |
489 | |
|
|
490 | #define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } while (0) |
|
|
491 | #define EV_TS_SET(ts,t) do { ts.tv_sec = (long)t; ts.tv_nsec = (long)((t - ts.tv_sec) * 1e9); } while (0) |
|
|
492 | |
|
|
493 | /* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */ |
|
|
494 | /* ECB.H BEGIN */ |
|
|
495 | /* |
|
|
496 | * libecb - http://software.schmorp.de/pkg/libecb |
|
|
497 | * |
|
|
498 | * Copyright (©) 2009-2015 Marc Alexander Lehmann <libecb@schmorp.de> |
|
|
499 | * Copyright (©) 2011 Emanuele Giaquinta |
|
|
500 | * All rights reserved. |
|
|
501 | * |
|
|
502 | * Redistribution and use in source and binary forms, with or without modifica- |
|
|
503 | * tion, are permitted provided that the following conditions are met: |
|
|
504 | * |
|
|
505 | * 1. Redistributions of source code must retain the above copyright notice, |
|
|
506 | * this list of conditions and the following disclaimer. |
|
|
507 | * |
|
|
508 | * 2. Redistributions in binary form must reproduce the above copyright |
|
|
509 | * notice, this list of conditions and the following disclaimer in the |
|
|
510 | * documentation and/or other materials provided with the distribution. |
|
|
511 | * |
|
|
512 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED |
|
|
513 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER- |
|
|
514 | * CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO |
|
|
515 | * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE- |
|
|
516 | * CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
|
|
517 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
|
|
518 | * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
|
|
519 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH- |
|
|
520 | * ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
|
|
521 | * OF THE POSSIBILITY OF SUCH DAMAGE. |
|
|
522 | * |
|
|
523 | * Alternatively, the contents of this file may be used under the terms of |
|
|
524 | * the GNU General Public License ("GPL") version 2 or any later version, |
|
|
525 | * in which case the provisions of the GPL are applicable instead of |
|
|
526 | * the above. If you wish to allow the use of your version of this file |
|
|
527 | * only under the terms of the GPL and not to allow others to use your |
|
|
528 | * version of this file under the BSD license, indicate your decision |
|
|
529 | * by deleting the provisions above and replace them with the notice |
|
|
530 | * and other provisions required by the GPL. If you do not delete the |
|
|
531 | * provisions above, a recipient may use your version of this file under |
|
|
532 | * either the BSD or the GPL. |
|
|
533 | */ |
|
|
534 | |
|
|
535 | #ifndef ECB_H |
|
|
536 | #define ECB_H |
|
|
537 | |
|
|
538 | /* 16 bits major, 16 bits minor */ |
|
|
539 | #define ECB_VERSION 0x00010005 |
|
|
540 | |
|
|
541 | #ifdef _WIN32 |
|
|
542 | typedef signed char int8_t; |
|
|
543 | typedef unsigned char uint8_t; |
|
|
544 | typedef signed short int16_t; |
|
|
545 | typedef unsigned short uint16_t; |
|
|
546 | typedef signed int int32_t; |
|
|
547 | typedef unsigned int uint32_t; |
428 | #if __GNUC__ >= 4 |
548 | #if __GNUC__ |
|
|
549 | typedef signed long long int64_t; |
|
|
550 | typedef unsigned long long uint64_t; |
|
|
551 | #else /* _MSC_VER || __BORLANDC__ */ |
|
|
552 | typedef signed __int64 int64_t; |
|
|
553 | typedef unsigned __int64 uint64_t; |
|
|
554 | #endif |
|
|
555 | #ifdef _WIN64 |
|
|
556 | #define ECB_PTRSIZE 8 |
|
|
557 | typedef uint64_t uintptr_t; |
|
|
558 | typedef int64_t intptr_t; |
|
|
559 | #else |
|
|
560 | #define ECB_PTRSIZE 4 |
|
|
561 | typedef uint32_t uintptr_t; |
|
|
562 | typedef int32_t intptr_t; |
|
|
563 | #endif |
|
|
564 | #else |
|
|
565 | #include <inttypes.h> |
|
|
566 | #if (defined INTPTR_MAX ? INTPTR_MAX : ULONG_MAX) > 0xffffffffU |
|
|
567 | #define ECB_PTRSIZE 8 |
|
|
568 | #else |
|
|
569 | #define ECB_PTRSIZE 4 |
|
|
570 | #endif |
|
|
571 | #endif |
|
|
572 | |
|
|
573 | #define ECB_GCC_AMD64 (__amd64 || __amd64__ || __x86_64 || __x86_64__) |
|
|
574 | #define ECB_MSVC_AMD64 (_M_AMD64 || _M_X64) |
|
|
575 | |
|
|
576 | /* work around x32 idiocy by defining proper macros */ |
|
|
577 | #if ECB_GCC_AMD64 || ECB_MSVC_AMD64 |
|
|
578 | #if _ILP32 |
|
|
579 | #define ECB_AMD64_X32 1 |
|
|
580 | #else |
|
|
581 | #define ECB_AMD64 1 |
|
|
582 | #endif |
|
|
583 | #endif |
|
|
584 | |
|
|
585 | /* many compilers define _GNUC_ to some versions but then only implement |
|
|
586 | * what their idiot authors think are the "more important" extensions, |
|
|
587 | * causing enormous grief in return for some better fake benchmark numbers. |
|
|
588 | * or so. |
|
|
589 | * we try to detect these and simply assume they are not gcc - if they have |
|
|
590 | * an issue with that they should have done it right in the first place. |
|
|
591 | */ |
|
|
592 | #if !defined __GNUC_MINOR__ || defined __INTEL_COMPILER || defined __SUNPRO_C || defined __SUNPRO_CC || defined __llvm__ || defined __clang__ |
|
|
593 | #define ECB_GCC_VERSION(major,minor) 0 |
|
|
594 | #else |
|
|
595 | #define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor))) |
|
|
596 | #endif |
|
|
597 | |
|
|
598 | #define ECB_CLANG_VERSION(major,minor) (__clang_major__ > (major) || (__clang_major__ == (major) && __clang_minor__ >= (minor))) |
|
|
599 | |
|
|
600 | #if __clang__ && defined __has_builtin |
|
|
601 | #define ECB_CLANG_BUILTIN(x) __has_builtin (x) |
|
|
602 | #else |
|
|
603 | #define ECB_CLANG_BUILTIN(x) 0 |
|
|
604 | #endif |
|
|
605 | |
|
|
606 | #if __clang__ && defined __has_extension |
|
|
607 | #define ECB_CLANG_EXTENSION(x) __has_extension (x) |
|
|
608 | #else |
|
|
609 | #define ECB_CLANG_EXTENSION(x) 0 |
|
|
610 | #endif |
|
|
611 | |
|
|
612 | #define ECB_CPP (__cplusplus+0) |
|
|
613 | #define ECB_CPP11 (__cplusplus >= 201103L) |
|
|
614 | #define ECB_CPP14 (__cplusplus >= 201402L) |
|
|
615 | #define ECB_CPP17 (__cplusplus >= 201703L) |
|
|
616 | |
|
|
617 | #if ECB_CPP |
|
|
618 | #define ECB_C 0 |
|
|
619 | #define ECB_STDC_VERSION 0 |
|
|
620 | #else |
|
|
621 | #define ECB_C 1 |
|
|
622 | #define ECB_STDC_VERSION __STDC_VERSION__ |
|
|
623 | #endif |
|
|
624 | |
|
|
625 | #define ECB_C99 (ECB_STDC_VERSION >= 199901L) |
|
|
626 | #define ECB_C11 (ECB_STDC_VERSION >= 201112L) |
|
|
627 | #define ECB_C17 (ECB_STDC_VERSION >= 201710L) |
|
|
628 | |
|
|
629 | #if ECB_CPP |
|
|
630 | #define ECB_EXTERN_C extern "C" |
|
|
631 | #define ECB_EXTERN_C_BEG ECB_EXTERN_C { |
|
|
632 | #define ECB_EXTERN_C_END } |
|
|
633 | #else |
|
|
634 | #define ECB_EXTERN_C extern |
|
|
635 | #define ECB_EXTERN_C_BEG |
|
|
636 | #define ECB_EXTERN_C_END |
|
|
637 | #endif |
|
|
638 | |
|
|
639 | /*****************************************************************************/ |
|
|
640 | |
|
|
641 | /* ECB_NO_THREADS - ecb is not used by multiple threads, ever */ |
|
|
642 | /* ECB_NO_SMP - ecb might be used in multiple threads, but only on a single cpu */ |
|
|
643 | |
|
|
644 | #if ECB_NO_THREADS |
|
|
645 | #define ECB_NO_SMP 1 |
|
|
646 | #endif |
|
|
647 | |
|
|
648 | #if ECB_NO_SMP |
|
|
649 | #define ECB_MEMORY_FENCE do { } while (0) |
|
|
650 | #endif |
|
|
651 | |
|
|
652 | /* http://www-01.ibm.com/support/knowledgecenter/SSGH3R_13.1.0/com.ibm.xlcpp131.aix.doc/compiler_ref/compiler_builtins.html */ |
|
|
653 | #if __xlC__ && ECB_CPP |
|
|
654 | #include <builtins.h> |
|
|
655 | #endif |
|
|
656 | |
|
|
657 | #if 1400 <= _MSC_VER |
|
|
658 | #include <intrin.h> /* fence functions _ReadBarrier, also bit search functions _BitScanReverse */ |
|
|
659 | #endif |
|
|
660 | |
|
|
661 | #ifndef ECB_MEMORY_FENCE |
|
|
662 | #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
|
|
663 | #if __i386 || __i386__ |
|
|
664 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory") |
|
|
665 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") |
|
|
666 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory") |
|
|
667 | #elif ECB_GCC_AMD64 |
|
|
668 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory") |
|
|
669 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") |
|
|
670 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory") |
|
|
671 | #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ |
|
|
672 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") |
|
|
673 | #elif defined __ARM_ARCH_2__ \ |
|
|
674 | || defined __ARM_ARCH_3__ || defined __ARM_ARCH_3M__ \ |
|
|
675 | || defined __ARM_ARCH_4__ || defined __ARM_ARCH_4T__ \ |
|
|
676 | || defined __ARM_ARCH_5__ || defined __ARM_ARCH_5E__ \ |
|
|
677 | || defined __ARM_ARCH_5T__ || defined __ARM_ARCH_5TE__ \ |
|
|
678 | || defined __ARM_ARCH_5TEJ__ |
|
|
679 | /* should not need any, unless running old code on newer cpu - arm doesn't support that */ |
|
|
680 | #elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \ |
|
|
681 | || defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__ \ |
|
|
682 | || defined __ARM_ARCH_6T2__ |
|
|
683 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory") |
|
|
684 | #elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \ |
|
|
685 | || defined __ARM_ARCH_7R__ || defined __ARM_ARCH_7M__ |
|
|
686 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory") |
|
|
687 | #elif __aarch64__ |
|
|
688 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb ish" : : : "memory") |
|
|
689 | #elif (__sparc || __sparc__) && !(__sparc_v8__ || defined __sparcv8) |
|
|
690 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory") |
|
|
691 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory") |
|
|
692 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore") |
|
|
693 | #elif defined __s390__ || defined __s390x__ |
|
|
694 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory") |
|
|
695 | #elif defined __mips__ |
|
|
696 | /* GNU/Linux emulates sync on mips1 architectures, so we force its use */ |
|
|
697 | /* anybody else who still uses mips1 is supposed to send in their version, with detection code. */ |
|
|
698 | #define ECB_MEMORY_FENCE __asm__ __volatile__ (".set mips2; sync; .set mips0" : : : "memory") |
|
|
699 | #elif defined __alpha__ |
|
|
700 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mb" : : : "memory") |
|
|
701 | #elif defined __hppa__ |
|
|
702 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory") |
|
|
703 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("") |
|
|
704 | #elif defined __ia64__ |
|
|
705 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mf" : : : "memory") |
|
|
706 | #elif defined __m68k__ |
|
|
707 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory") |
|
|
708 | #elif defined __m88k__ |
|
|
709 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("tb1 0,%%r0,128" : : : "memory") |
|
|
710 | #elif defined __sh__ |
|
|
711 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory") |
|
|
712 | #endif |
|
|
713 | #endif |
|
|
714 | #endif |
|
|
715 | |
|
|
716 | #ifndef ECB_MEMORY_FENCE |
|
|
717 | #if ECB_GCC_VERSION(4,7) |
|
|
718 | /* see comment below (stdatomic.h) about the C11 memory model. */ |
|
|
719 | #define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST) |
|
|
720 | #define ECB_MEMORY_FENCE_ACQUIRE __atomic_thread_fence (__ATOMIC_ACQUIRE) |
|
|
721 | #define ECB_MEMORY_FENCE_RELEASE __atomic_thread_fence (__ATOMIC_RELEASE) |
|
|
722 | |
|
|
723 | #elif ECB_CLANG_EXTENSION(c_atomic) |
|
|
724 | /* see comment below (stdatomic.h) about the C11 memory model. */ |
|
|
725 | #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST) |
|
|
726 | #define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE) |
|
|
727 | #define ECB_MEMORY_FENCE_RELEASE __c11_atomic_thread_fence (__ATOMIC_RELEASE) |
|
|
728 | |
|
|
729 | #elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__ |
|
|
730 | #define ECB_MEMORY_FENCE __sync_synchronize () |
|
|
731 | #elif _MSC_VER >= 1500 /* VC++ 2008 */ |
|
|
732 | /* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */ |
|
|
733 | #pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier) |
|
|
734 | #define ECB_MEMORY_FENCE _ReadWriteBarrier (); MemoryBarrier() |
|
|
735 | #define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier (); MemoryBarrier() /* according to msdn, _ReadBarrier is not a load fence */ |
|
|
736 | #define ECB_MEMORY_FENCE_RELEASE _WriteBarrier (); MemoryBarrier() |
|
|
737 | #elif _MSC_VER >= 1400 /* VC++ 2005 */ |
|
|
738 | #pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier) |
|
|
739 | #define ECB_MEMORY_FENCE _ReadWriteBarrier () |
|
|
740 | #define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */ |
|
|
741 | #define ECB_MEMORY_FENCE_RELEASE _WriteBarrier () |
|
|
742 | #elif defined _WIN32 |
|
|
743 | #include <WinNT.h> |
|
|
744 | #define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */ |
|
|
745 | #elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
|
|
746 | #include <mbarrier.h> |
|
|
747 | #define ECB_MEMORY_FENCE __machine_rw_barrier () |
|
|
748 | #define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier () |
|
|
749 | #define ECB_MEMORY_FENCE_RELEASE __machine_w_barrier () |
|
|
750 | #elif __xlC__ |
|
|
751 | #define ECB_MEMORY_FENCE __sync () |
|
|
752 | #endif |
|
|
753 | #endif |
|
|
754 | |
|
|
755 | #ifndef ECB_MEMORY_FENCE |
|
|
756 | #if ECB_C11 && !defined __STDC_NO_ATOMICS__ |
|
|
757 | /* we assume that these memory fences work on all variables/all memory accesses, */ |
|
|
758 | /* not just C11 atomics and atomic accesses */ |
|
|
759 | #include <stdatomic.h> |
|
|
760 | /* Unfortunately, neither gcc 4.7 nor clang 3.1 generate any instructions for */ |
|
|
761 | /* any fence other than seq_cst, which isn't very efficient for us. */ |
|
|
762 | /* Why that is, we don't know - either the C11 memory model is quite useless */ |
|
|
763 | /* for most usages, or gcc and clang have a bug */ |
|
|
764 | /* I *currently* lean towards the latter, and inefficiently implement */ |
|
|
765 | /* all three of ecb's fences as a seq_cst fence */ |
|
|
766 | /* Update, gcc-4.8 generates mfence for all c++ fences, but nothing */ |
|
|
767 | /* for all __atomic_thread_fence's except seq_cst */ |
|
|
768 | #define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst) |
|
|
769 | #endif |
|
|
770 | #endif |
|
|
771 | |
|
|
772 | #ifndef ECB_MEMORY_FENCE |
|
|
773 | #if !ECB_AVOID_PTHREADS |
|
|
774 | /* |
|
|
775 | * if you get undefined symbol references to pthread_mutex_lock, |
|
|
776 | * or failure to find pthread.h, then you should implement |
|
|
777 | * the ECB_MEMORY_FENCE operations for your cpu/compiler |
|
|
778 | * OR provide pthread.h and link against the posix thread library |
|
|
779 | * of your system. |
|
|
780 | */ |
|
|
781 | #include <pthread.h> |
|
|
782 | #define ECB_NEEDS_PTHREADS 1 |
|
|
783 | #define ECB_MEMORY_FENCE_NEEDS_PTHREADS 1 |
|
|
784 | |
|
|
785 | static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER; |
|
|
786 | #define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0) |
|
|
787 | #endif |
|
|
788 | #endif |
|
|
789 | |
|
|
790 | #if !defined ECB_MEMORY_FENCE_ACQUIRE && defined ECB_MEMORY_FENCE |
|
|
791 | #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE |
|
|
792 | #endif |
|
|
793 | |
|
|
794 | #if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE |
|
|
795 | #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
|
|
796 | #endif |
|
|
797 | |
|
|
798 | /*****************************************************************************/ |
|
|
799 | |
|
|
800 | #if ECB_CPP |
|
|
801 | #define ecb_inline static inline |
|
|
802 | #elif ECB_GCC_VERSION(2,5) |
|
|
803 | #define ecb_inline static __inline__ |
|
|
804 | #elif ECB_C99 |
|
|
805 | #define ecb_inline static inline |
|
|
806 | #else |
|
|
807 | #define ecb_inline static |
|
|
808 | #endif |
|
|
809 | |
|
|
810 | #if ECB_GCC_VERSION(3,3) |
|
|
811 | #define ecb_restrict __restrict__ |
|
|
812 | #elif ECB_C99 |
|
|
813 | #define ecb_restrict restrict |
|
|
814 | #else |
|
|
815 | #define ecb_restrict |
|
|
816 | #endif |
|
|
817 | |
|
|
818 | typedef int ecb_bool; |
|
|
819 | |
|
|
820 | #define ECB_CONCAT_(a, b) a ## b |
|
|
821 | #define ECB_CONCAT(a, b) ECB_CONCAT_(a, b) |
|
|
822 | #define ECB_STRINGIFY_(a) # a |
|
|
823 | #define ECB_STRINGIFY(a) ECB_STRINGIFY_(a) |
|
|
824 | #define ECB_STRINGIFY_EXPR(expr) ((expr), ECB_STRINGIFY_ (expr)) |
|
|
825 | |
|
|
826 | #define ecb_function_ ecb_inline |
|
|
827 | |
|
|
828 | #if ECB_GCC_VERSION(3,1) || ECB_CLANG_VERSION(2,8) |
|
|
829 | #define ecb_attribute(attrlist) __attribute__ (attrlist) |
|
|
830 | #else |
|
|
831 | #define ecb_attribute(attrlist) |
|
|
832 | #endif |
|
|
833 | |
|
|
834 | #if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_constant_p) |
|
|
835 | #define ecb_is_constant(expr) __builtin_constant_p (expr) |
|
|
836 | #else |
|
|
837 | /* possible C11 impl for integral types |
|
|
838 | typedef struct ecb_is_constant_struct ecb_is_constant_struct; |
|
|
839 | #define ecb_is_constant(expr) _Generic ((1 ? (struct ecb_is_constant_struct *)0 : (void *)((expr) - (expr)), ecb_is_constant_struct *: 0, default: 1)) */ |
|
|
840 | |
|
|
841 | #define ecb_is_constant(expr) 0 |
|
|
842 | #endif |
|
|
843 | |
|
|
844 | #if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_expect) |
429 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
845 | #define ecb_expect(expr,value) __builtin_expect ((expr),(value)) |
430 | # define noinline __attribute__ ((noinline)) |
|
|
431 | #else |
846 | #else |
432 | # define expect(expr,value) (expr) |
847 | #define ecb_expect(expr,value) (expr) |
433 | # define noinline |
|
|
434 | # if __STDC_VERSION__ < 199901L && __GNUC__ < 2 |
|
|
435 | # define inline |
|
|
436 | # endif |
848 | #endif |
437 | #endif |
|
|
438 | |
849 | |
|
|
850 | #if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_prefetch) |
|
|
851 | #define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality) |
|
|
852 | #else |
|
|
853 | #define ecb_prefetch(addr,rw,locality) |
|
|
854 | #endif |
|
|
855 | |
|
|
856 | /* no emulation for ecb_decltype */ |
|
|
857 | #if ECB_CPP11 |
|
|
858 | // older implementations might have problems with decltype(x)::type, work around it |
|
|
859 | template<class T> struct ecb_decltype_t { typedef T type; }; |
|
|
860 | #define ecb_decltype(x) ecb_decltype_t<decltype (x)>::type |
|
|
861 | #elif ECB_GCC_VERSION(3,0) || ECB_CLANG_VERSION(2,8) |
|
|
862 | #define ecb_decltype(x) __typeof__ (x) |
|
|
863 | #endif |
|
|
864 | |
|
|
865 | #if _MSC_VER >= 1300 |
|
|
866 | #define ecb_deprecated __declspec (deprecated) |
|
|
867 | #else |
|
|
868 | #define ecb_deprecated ecb_attribute ((__deprecated__)) |
|
|
869 | #endif |
|
|
870 | |
|
|
871 | #if _MSC_VER >= 1500 |
|
|
872 | #define ecb_deprecated_message(msg) __declspec (deprecated (msg)) |
|
|
873 | #elif ECB_GCC_VERSION(4,5) |
|
|
874 | #define ecb_deprecated_message(msg) ecb_attribute ((__deprecated__ (msg)) |
|
|
875 | #else |
|
|
876 | #define ecb_deprecated_message(msg) ecb_deprecated |
|
|
877 | #endif |
|
|
878 | |
|
|
879 | #if _MSC_VER >= 1400 |
|
|
880 | #define ecb_noinline __declspec (noinline) |
|
|
881 | #else |
|
|
882 | #define ecb_noinline ecb_attribute ((__noinline__)) |
|
|
883 | #endif |
|
|
884 | |
|
|
885 | #define ecb_unused ecb_attribute ((__unused__)) |
|
|
886 | #define ecb_const ecb_attribute ((__const__)) |
|
|
887 | #define ecb_pure ecb_attribute ((__pure__)) |
|
|
888 | |
|
|
889 | #if ECB_C11 || __IBMC_NORETURN |
|
|
890 | /* http://www-01.ibm.com/support/knowledgecenter/SSGH3R_13.1.0/com.ibm.xlcpp131.aix.doc/language_ref/noreturn.html */ |
|
|
891 | #define ecb_noreturn _Noreturn |
|
|
892 | #elif ECB_CPP11 |
|
|
893 | #define ecb_noreturn [[noreturn]] |
|
|
894 | #elif _MSC_VER >= 1200 |
|
|
895 | /* http://msdn.microsoft.com/en-us/library/k6ktzx3s.aspx */ |
|
|
896 | #define ecb_noreturn __declspec (noreturn) |
|
|
897 | #else |
|
|
898 | #define ecb_noreturn ecb_attribute ((__noreturn__)) |
|
|
899 | #endif |
|
|
900 | |
|
|
901 | #if ECB_GCC_VERSION(4,3) |
|
|
902 | #define ecb_artificial ecb_attribute ((__artificial__)) |
|
|
903 | #define ecb_hot ecb_attribute ((__hot__)) |
|
|
904 | #define ecb_cold ecb_attribute ((__cold__)) |
|
|
905 | #else |
|
|
906 | #define ecb_artificial |
|
|
907 | #define ecb_hot |
|
|
908 | #define ecb_cold |
|
|
909 | #endif |
|
|
910 | |
|
|
911 | /* put around conditional expressions if you are very sure that the */ |
|
|
912 | /* expression is mostly true or mostly false. note that these return */ |
|
|
913 | /* booleans, not the expression. */ |
439 | #define expect_false(expr) expect ((expr) != 0, 0) |
914 | #define ecb_expect_false(expr) ecb_expect (!!(expr), 0) |
440 | #define expect_true(expr) expect ((expr) != 0, 1) |
915 | #define ecb_expect_true(expr) ecb_expect (!!(expr), 1) |
|
|
916 | /* for compatibility to the rest of the world */ |
|
|
917 | #define ecb_likely(expr) ecb_expect_true (expr) |
|
|
918 | #define ecb_unlikely(expr) ecb_expect_false (expr) |
|
|
919 | |
|
|
920 | /* count trailing zero bits and count # of one bits */ |
|
|
921 | #if ECB_GCC_VERSION(3,4) \ |
|
|
922 | || (ECB_CLANG_BUILTIN(__builtin_clz) && ECB_CLANG_BUILTIN(__builtin_clzll) \ |
|
|
923 | && ECB_CLANG_BUILTIN(__builtin_ctz) && ECB_CLANG_BUILTIN(__builtin_ctzll) \ |
|
|
924 | && ECB_CLANG_BUILTIN(__builtin_popcount)) |
|
|
925 | /* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */ |
|
|
926 | #define ecb_ld32(x) (__builtin_clz (x) ^ 31) |
|
|
927 | #define ecb_ld64(x) (__builtin_clzll (x) ^ 63) |
|
|
928 | #define ecb_ctz32(x) __builtin_ctz (x) |
|
|
929 | #define ecb_ctz64(x) __builtin_ctzll (x) |
|
|
930 | #define ecb_popcount32(x) __builtin_popcount (x) |
|
|
931 | /* no popcountll */ |
|
|
932 | #else |
|
|
933 | ecb_function_ ecb_const int ecb_ctz32 (uint32_t x); |
|
|
934 | ecb_function_ ecb_const int |
|
|
935 | ecb_ctz32 (uint32_t x) |
|
|
936 | { |
|
|
937 | #if 1400 <= _MSC_VER && (_M_IX86 || _M_X64 || _M_IA64 || _M_ARM) |
|
|
938 | unsigned long r; |
|
|
939 | _BitScanForward (&r, x); |
|
|
940 | return (int)r; |
|
|
941 | #else |
|
|
942 | int r = 0; |
|
|
943 | |
|
|
944 | x &= ~x + 1; /* this isolates the lowest bit */ |
|
|
945 | |
|
|
946 | #if ECB_branchless_on_i386 |
|
|
947 | r += !!(x & 0xaaaaaaaa) << 0; |
|
|
948 | r += !!(x & 0xcccccccc) << 1; |
|
|
949 | r += !!(x & 0xf0f0f0f0) << 2; |
|
|
950 | r += !!(x & 0xff00ff00) << 3; |
|
|
951 | r += !!(x & 0xffff0000) << 4; |
|
|
952 | #else |
|
|
953 | if (x & 0xaaaaaaaa) r += 1; |
|
|
954 | if (x & 0xcccccccc) r += 2; |
|
|
955 | if (x & 0xf0f0f0f0) r += 4; |
|
|
956 | if (x & 0xff00ff00) r += 8; |
|
|
957 | if (x & 0xffff0000) r += 16; |
|
|
958 | #endif |
|
|
959 | |
|
|
960 | return r; |
|
|
961 | #endif |
|
|
962 | } |
|
|
963 | |
|
|
964 | ecb_function_ ecb_const int ecb_ctz64 (uint64_t x); |
|
|
965 | ecb_function_ ecb_const int |
|
|
966 | ecb_ctz64 (uint64_t x) |
|
|
967 | { |
|
|
968 | #if 1400 <= _MSC_VER && (_M_X64 || _M_IA64 || _M_ARM) |
|
|
969 | unsigned long r; |
|
|
970 | _BitScanForward64 (&r, x); |
|
|
971 | return (int)r; |
|
|
972 | #else |
|
|
973 | int shift = x & 0xffffffff ? 0 : 32; |
|
|
974 | return ecb_ctz32 (x >> shift) + shift; |
|
|
975 | #endif |
|
|
976 | } |
|
|
977 | |
|
|
978 | ecb_function_ ecb_const int ecb_popcount32 (uint32_t x); |
|
|
979 | ecb_function_ ecb_const int |
|
|
980 | ecb_popcount32 (uint32_t x) |
|
|
981 | { |
|
|
982 | x -= (x >> 1) & 0x55555555; |
|
|
983 | x = ((x >> 2) & 0x33333333) + (x & 0x33333333); |
|
|
984 | x = ((x >> 4) + x) & 0x0f0f0f0f; |
|
|
985 | x *= 0x01010101; |
|
|
986 | |
|
|
987 | return x >> 24; |
|
|
988 | } |
|
|
989 | |
|
|
990 | ecb_function_ ecb_const int ecb_ld32 (uint32_t x); |
|
|
991 | ecb_function_ ecb_const int ecb_ld32 (uint32_t x) |
|
|
992 | { |
|
|
993 | #if 1400 <= _MSC_VER && (_M_IX86 || _M_X64 || _M_IA64 || _M_ARM) |
|
|
994 | unsigned long r; |
|
|
995 | _BitScanReverse (&r, x); |
|
|
996 | return (int)r; |
|
|
997 | #else |
|
|
998 | int r = 0; |
|
|
999 | |
|
|
1000 | if (x >> 16) { x >>= 16; r += 16; } |
|
|
1001 | if (x >> 8) { x >>= 8; r += 8; } |
|
|
1002 | if (x >> 4) { x >>= 4; r += 4; } |
|
|
1003 | if (x >> 2) { x >>= 2; r += 2; } |
|
|
1004 | if (x >> 1) { r += 1; } |
|
|
1005 | |
|
|
1006 | return r; |
|
|
1007 | #endif |
|
|
1008 | } |
|
|
1009 | |
|
|
1010 | ecb_function_ ecb_const int ecb_ld64 (uint64_t x); |
|
|
1011 | ecb_function_ ecb_const int ecb_ld64 (uint64_t x) |
|
|
1012 | { |
|
|
1013 | #if 1400 <= _MSC_VER && (_M_X64 || _M_IA64 || _M_ARM) |
|
|
1014 | unsigned long r; |
|
|
1015 | _BitScanReverse64 (&r, x); |
|
|
1016 | return (int)r; |
|
|
1017 | #else |
|
|
1018 | int r = 0; |
|
|
1019 | |
|
|
1020 | if (x >> 32) { x >>= 32; r += 32; } |
|
|
1021 | |
|
|
1022 | return r + ecb_ld32 (x); |
|
|
1023 | #endif |
|
|
1024 | } |
|
|
1025 | #endif |
|
|
1026 | |
|
|
1027 | ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x); |
|
|
1028 | ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); } |
|
|
1029 | ecb_function_ ecb_const ecb_bool ecb_is_pot64 (uint64_t x); |
|
|
1030 | ecb_function_ ecb_const ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); } |
|
|
1031 | |
|
|
1032 | ecb_function_ ecb_const uint8_t ecb_bitrev8 (uint8_t x); |
|
|
1033 | ecb_function_ ecb_const uint8_t ecb_bitrev8 (uint8_t x) |
|
|
1034 | { |
|
|
1035 | return ( (x * 0x0802U & 0x22110U) |
|
|
1036 | | (x * 0x8020U & 0x88440U)) * 0x10101U >> 16; |
|
|
1037 | } |
|
|
1038 | |
|
|
1039 | ecb_function_ ecb_const uint16_t ecb_bitrev16 (uint16_t x); |
|
|
1040 | ecb_function_ ecb_const uint16_t ecb_bitrev16 (uint16_t x) |
|
|
1041 | { |
|
|
1042 | x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1); |
|
|
1043 | x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2); |
|
|
1044 | x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4); |
|
|
1045 | x = ( x >> 8 ) | ( x << 8); |
|
|
1046 | |
|
|
1047 | return x; |
|
|
1048 | } |
|
|
1049 | |
|
|
1050 | ecb_function_ ecb_const uint32_t ecb_bitrev32 (uint32_t x); |
|
|
1051 | ecb_function_ ecb_const uint32_t ecb_bitrev32 (uint32_t x) |
|
|
1052 | { |
|
|
1053 | x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1); |
|
|
1054 | x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2); |
|
|
1055 | x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4); |
|
|
1056 | x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8); |
|
|
1057 | x = ( x >> 16 ) | ( x << 16); |
|
|
1058 | |
|
|
1059 | return x; |
|
|
1060 | } |
|
|
1061 | |
|
|
1062 | /* popcount64 is only available on 64 bit cpus as gcc builtin */ |
|
|
1063 | /* so for this version we are lazy */ |
|
|
1064 | ecb_function_ ecb_const int ecb_popcount64 (uint64_t x); |
|
|
1065 | ecb_function_ ecb_const int |
|
|
1066 | ecb_popcount64 (uint64_t x) |
|
|
1067 | { |
|
|
1068 | return ecb_popcount32 (x) + ecb_popcount32 (x >> 32); |
|
|
1069 | } |
|
|
1070 | |
|
|
1071 | ecb_inline ecb_const uint8_t ecb_rotl8 (uint8_t x, unsigned int count); |
|
|
1072 | ecb_inline ecb_const uint8_t ecb_rotr8 (uint8_t x, unsigned int count); |
|
|
1073 | ecb_inline ecb_const uint16_t ecb_rotl16 (uint16_t x, unsigned int count); |
|
|
1074 | ecb_inline ecb_const uint16_t ecb_rotr16 (uint16_t x, unsigned int count); |
|
|
1075 | ecb_inline ecb_const uint32_t ecb_rotl32 (uint32_t x, unsigned int count); |
|
|
1076 | ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count); |
|
|
1077 | ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count); |
|
|
1078 | ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count); |
|
|
1079 | |
|
|
1080 | ecb_inline ecb_const uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); } |
|
|
1081 | ecb_inline ecb_const uint8_t ecb_rotr8 (uint8_t x, unsigned int count) { return (x << ( 8 - count)) | (x >> count); } |
|
|
1082 | ecb_inline ecb_const uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)) | (x << count); } |
|
|
1083 | ecb_inline ecb_const uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)) | (x >> count); } |
|
|
1084 | ecb_inline ecb_const uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); } |
|
|
1085 | ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); } |
|
|
1086 | ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); } |
|
|
1087 | ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); } |
|
|
1088 | |
|
|
1089 | #if ECB_GCC_VERSION(4,3) || (ECB_CLANG_BUILTIN(__builtin_bswap32) && ECB_CLANG_BUILTIN(__builtin_bswap64)) |
|
|
1090 | #if ECB_GCC_VERSION(4,8) || ECB_CLANG_BUILTIN(__builtin_bswap16) |
|
|
1091 | #define ecb_bswap16(x) __builtin_bswap16 (x) |
|
|
1092 | #else |
|
|
1093 | #define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16) |
|
|
1094 | #endif |
|
|
1095 | #define ecb_bswap32(x) __builtin_bswap32 (x) |
|
|
1096 | #define ecb_bswap64(x) __builtin_bswap64 (x) |
|
|
1097 | #elif _MSC_VER |
|
|
1098 | #include <stdlib.h> |
|
|
1099 | #define ecb_bswap16(x) ((uint16_t)_byteswap_ushort ((uint16_t)(x))) |
|
|
1100 | #define ecb_bswap32(x) ((uint32_t)_byteswap_ulong ((uint32_t)(x))) |
|
|
1101 | #define ecb_bswap64(x) ((uint64_t)_byteswap_uint64 ((uint64_t)(x))) |
|
|
1102 | #else |
|
|
1103 | ecb_function_ ecb_const uint16_t ecb_bswap16 (uint16_t x); |
|
|
1104 | ecb_function_ ecb_const uint16_t |
|
|
1105 | ecb_bswap16 (uint16_t x) |
|
|
1106 | { |
|
|
1107 | return ecb_rotl16 (x, 8); |
|
|
1108 | } |
|
|
1109 | |
|
|
1110 | ecb_function_ ecb_const uint32_t ecb_bswap32 (uint32_t x); |
|
|
1111 | ecb_function_ ecb_const uint32_t |
|
|
1112 | ecb_bswap32 (uint32_t x) |
|
|
1113 | { |
|
|
1114 | return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16); |
|
|
1115 | } |
|
|
1116 | |
|
|
1117 | ecb_function_ ecb_const uint64_t ecb_bswap64 (uint64_t x); |
|
|
1118 | ecb_function_ ecb_const uint64_t |
|
|
1119 | ecb_bswap64 (uint64_t x) |
|
|
1120 | { |
|
|
1121 | return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32); |
|
|
1122 | } |
|
|
1123 | #endif |
|
|
1124 | |
|
|
1125 | #if ECB_GCC_VERSION(4,5) || ECB_CLANG_BUILTIN(__builtin_unreachable) |
|
|
1126 | #define ecb_unreachable() __builtin_unreachable () |
|
|
1127 | #else |
|
|
1128 | /* this seems to work fine, but gcc always emits a warning for it :/ */ |
|
|
1129 | ecb_inline ecb_noreturn void ecb_unreachable (void); |
|
|
1130 | ecb_inline ecb_noreturn void ecb_unreachable (void) { } |
|
|
1131 | #endif |
|
|
1132 | |
|
|
1133 | /* try to tell the compiler that some condition is definitely true */ |
|
|
1134 | #define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0 |
|
|
1135 | |
|
|
1136 | ecb_inline ecb_const uint32_t ecb_byteorder_helper (void); |
|
|
1137 | ecb_inline ecb_const uint32_t |
|
|
1138 | ecb_byteorder_helper (void) |
|
|
1139 | { |
|
|
1140 | /* the union code still generates code under pressure in gcc, */ |
|
|
1141 | /* but less than using pointers, and always seems to */ |
|
|
1142 | /* successfully return a constant. */ |
|
|
1143 | /* the reason why we have this horrible preprocessor mess */ |
|
|
1144 | /* is to avoid it in all cases, at least on common architectures */ |
|
|
1145 | /* or when using a recent enough gcc version (>= 4.6) */ |
|
|
1146 | #if (defined __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__) \ |
|
|
1147 | || ((__i386 || __i386__ || _M_IX86 || ECB_GCC_AMD64 || ECB_MSVC_AMD64) && !__VOS__) |
|
|
1148 | #define ECB_LITTLE_ENDIAN 1 |
|
|
1149 | return 0x44332211; |
|
|
1150 | #elif (defined __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__) \ |
|
|
1151 | || ((__AARCH64EB__ || __MIPSEB__ || __ARMEB__) && !__VOS__) |
|
|
1152 | #define ECB_BIG_ENDIAN 1 |
|
|
1153 | return 0x11223344; |
|
|
1154 | #else |
|
|
1155 | union |
|
|
1156 | { |
|
|
1157 | uint8_t c[4]; |
|
|
1158 | uint32_t u; |
|
|
1159 | } u = { 0x11, 0x22, 0x33, 0x44 }; |
|
|
1160 | return u.u; |
|
|
1161 | #endif |
|
|
1162 | } |
|
|
1163 | |
|
|
1164 | ecb_inline ecb_const ecb_bool ecb_big_endian (void); |
|
|
1165 | ecb_inline ecb_const ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11223344; } |
|
|
1166 | ecb_inline ecb_const ecb_bool ecb_little_endian (void); |
|
|
1167 | ecb_inline ecb_const ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44332211; } |
|
|
1168 | |
|
|
1169 | #if ECB_GCC_VERSION(3,0) || ECB_C99 |
|
|
1170 | #define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0)) |
|
|
1171 | #else |
|
|
1172 | #define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n))) |
|
|
1173 | #endif |
|
|
1174 | |
|
|
1175 | #if ECB_CPP |
|
|
1176 | template<typename T> |
|
|
1177 | static inline T ecb_div_rd (T val, T div) |
|
|
1178 | { |
|
|
1179 | return val < 0 ? - ((-val + div - 1) / div) : (val ) / div; |
|
|
1180 | } |
|
|
1181 | template<typename T> |
|
|
1182 | static inline T ecb_div_ru (T val, T div) |
|
|
1183 | { |
|
|
1184 | return val < 0 ? - ((-val ) / div) : (val + div - 1) / div; |
|
|
1185 | } |
|
|
1186 | #else |
|
|
1187 | #define ecb_div_rd(val,div) ((val) < 0 ? - ((-(val) + (div) - 1) / (div)) : ((val) ) / (div)) |
|
|
1188 | #define ecb_div_ru(val,div) ((val) < 0 ? - ((-(val) ) / (div)) : ((val) + (div) - 1) / (div)) |
|
|
1189 | #endif |
|
|
1190 | |
|
|
1191 | #if ecb_cplusplus_does_not_suck |
|
|
1192 | /* does not work for local types (http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2657.htm) */ |
|
|
1193 | template<typename T, int N> |
|
|
1194 | static inline int ecb_array_length (const T (&arr)[N]) |
|
|
1195 | { |
|
|
1196 | return N; |
|
|
1197 | } |
|
|
1198 | #else |
|
|
1199 | #define ecb_array_length(name) (sizeof (name) / sizeof (name [0])) |
|
|
1200 | #endif |
|
|
1201 | |
|
|
1202 | ecb_function_ ecb_const uint32_t ecb_binary16_to_binary32 (uint32_t x); |
|
|
1203 | ecb_function_ ecb_const uint32_t |
|
|
1204 | ecb_binary16_to_binary32 (uint32_t x) |
|
|
1205 | { |
|
|
1206 | unsigned int s = (x & 0x8000) << (31 - 15); |
|
|
1207 | int e = (x >> 10) & 0x001f; |
|
|
1208 | unsigned int m = x & 0x03ff; |
|
|
1209 | |
|
|
1210 | if (ecb_expect_false (e == 31)) |
|
|
1211 | /* infinity or NaN */ |
|
|
1212 | e = 255 - (127 - 15); |
|
|
1213 | else if (ecb_expect_false (!e)) |
|
|
1214 | { |
|
|
1215 | if (ecb_expect_true (!m)) |
|
|
1216 | /* zero, handled by code below by forcing e to 0 */ |
|
|
1217 | e = 0 - (127 - 15); |
|
|
1218 | else |
|
|
1219 | { |
|
|
1220 | /* subnormal, renormalise */ |
|
|
1221 | unsigned int s = 10 - ecb_ld32 (m); |
|
|
1222 | |
|
|
1223 | m = (m << s) & 0x3ff; /* mask implicit bit */ |
|
|
1224 | e -= s - 1; |
|
|
1225 | } |
|
|
1226 | } |
|
|
1227 | |
|
|
1228 | /* e and m now are normalised, or zero, (or inf or nan) */ |
|
|
1229 | e += 127 - 15; |
|
|
1230 | |
|
|
1231 | return s | (e << 23) | (m << (23 - 10)); |
|
|
1232 | } |
|
|
1233 | |
|
|
1234 | ecb_function_ ecb_const uint16_t ecb_binary32_to_binary16 (uint32_t x); |
|
|
1235 | ecb_function_ ecb_const uint16_t |
|
|
1236 | ecb_binary32_to_binary16 (uint32_t x) |
|
|
1237 | { |
|
|
1238 | unsigned int s = (x >> 16) & 0x00008000; /* sign bit, the easy part */ |
|
|
1239 | unsigned int e = ((x >> 23) & 0x000000ff) - (127 - 15); /* the desired exponent */ |
|
|
1240 | unsigned int m = x & 0x007fffff; |
|
|
1241 | |
|
|
1242 | x &= 0x7fffffff; |
|
|
1243 | |
|
|
1244 | /* if it's within range of binary16 normals, use fast path */ |
|
|
1245 | if (ecb_expect_true (0x38800000 <= x && x <= 0x477fefff)) |
|
|
1246 | { |
|
|
1247 | /* mantissa round-to-even */ |
|
|
1248 | m += 0x00000fff + ((m >> (23 - 10)) & 1); |
|
|
1249 | |
|
|
1250 | /* handle overflow */ |
|
|
1251 | if (ecb_expect_false (m >= 0x00800000)) |
|
|
1252 | { |
|
|
1253 | m >>= 1; |
|
|
1254 | e += 1; |
|
|
1255 | } |
|
|
1256 | |
|
|
1257 | return s | (e << 10) | (m >> (23 - 10)); |
|
|
1258 | } |
|
|
1259 | |
|
|
1260 | /* handle large numbers and infinity */ |
|
|
1261 | if (ecb_expect_true (0x477fefff < x && x <= 0x7f800000)) |
|
|
1262 | return s | 0x7c00; |
|
|
1263 | |
|
|
1264 | /* handle zero, subnormals and small numbers */ |
|
|
1265 | if (ecb_expect_true (x < 0x38800000)) |
|
|
1266 | { |
|
|
1267 | /* zero */ |
|
|
1268 | if (ecb_expect_true (!x)) |
|
|
1269 | return s; |
|
|
1270 | |
|
|
1271 | /* handle subnormals */ |
|
|
1272 | |
|
|
1273 | /* too small, will be zero */ |
|
|
1274 | if (e < (14 - 24)) /* might not be sharp, but is good enough */ |
|
|
1275 | return s; |
|
|
1276 | |
|
|
1277 | m |= 0x00800000; /* make implicit bit explicit */ |
|
|
1278 | |
|
|
1279 | /* very tricky - we need to round to the nearest e (+10) bit value */ |
|
|
1280 | { |
|
|
1281 | unsigned int bits = 14 - e; |
|
|
1282 | unsigned int half = (1 << (bits - 1)) - 1; |
|
|
1283 | unsigned int even = (m >> bits) & 1; |
|
|
1284 | |
|
|
1285 | /* if this overflows, we will end up with a normalised number */ |
|
|
1286 | m = (m + half + even) >> bits; |
|
|
1287 | } |
|
|
1288 | |
|
|
1289 | return s | m; |
|
|
1290 | } |
|
|
1291 | |
|
|
1292 | /* handle NaNs, preserve leftmost nan bits, but make sure we don't turn them into infinities */ |
|
|
1293 | m >>= 13; |
|
|
1294 | |
|
|
1295 | return s | 0x7c00 | m | !m; |
|
|
1296 | } |
|
|
1297 | |
|
|
1298 | /*******************************************************************************/ |
|
|
1299 | /* floating point stuff, can be disabled by defining ECB_NO_LIBM */ |
|
|
1300 | |
|
|
1301 | /* basically, everything uses "ieee pure-endian" floating point numbers */ |
|
|
1302 | /* the only noteworthy exception is ancient armle, which uses order 43218765 */ |
|
|
1303 | #if 0 \ |
|
|
1304 | || __i386 || __i386__ \ |
|
|
1305 | || ECB_GCC_AMD64 \ |
|
|
1306 | || __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \ |
|
|
1307 | || defined __s390__ || defined __s390x__ \ |
|
|
1308 | || defined __mips__ \ |
|
|
1309 | || defined __alpha__ \ |
|
|
1310 | || defined __hppa__ \ |
|
|
1311 | || defined __ia64__ \ |
|
|
1312 | || defined __m68k__ \ |
|
|
1313 | || defined __m88k__ \ |
|
|
1314 | || defined __sh__ \ |
|
|
1315 | || defined _M_IX86 || defined ECB_MSVC_AMD64 || defined _M_IA64 \ |
|
|
1316 | || (defined __arm__ && (defined __ARM_EABI__ || defined __EABI__ || defined __VFP_FP__ || defined _WIN32_WCE || defined __ANDROID__)) \ |
|
|
1317 | || defined __aarch64__ |
|
|
1318 | #define ECB_STDFP 1 |
|
|
1319 | #include <string.h> /* for memcpy */ |
|
|
1320 | #else |
|
|
1321 | #define ECB_STDFP 0 |
|
|
1322 | #endif |
|
|
1323 | |
|
|
1324 | #ifndef ECB_NO_LIBM |
|
|
1325 | |
|
|
1326 | #include <math.h> /* for frexp*, ldexp*, INFINITY, NAN */ |
|
|
1327 | |
|
|
1328 | /* only the oldest of old doesn't have this one. solaris. */ |
|
|
1329 | #ifdef INFINITY |
|
|
1330 | #define ECB_INFINITY INFINITY |
|
|
1331 | #else |
|
|
1332 | #define ECB_INFINITY HUGE_VAL |
|
|
1333 | #endif |
|
|
1334 | |
|
|
1335 | #ifdef NAN |
|
|
1336 | #define ECB_NAN NAN |
|
|
1337 | #else |
|
|
1338 | #define ECB_NAN ECB_INFINITY |
|
|
1339 | #endif |
|
|
1340 | |
|
|
1341 | #if ECB_C99 || _XOPEN_VERSION >= 600 || _POSIX_VERSION >= 200112L |
|
|
1342 | #define ecb_ldexpf(x,e) ldexpf ((x), (e)) |
|
|
1343 | #define ecb_frexpf(x,e) frexpf ((x), (e)) |
|
|
1344 | #else |
|
|
1345 | #define ecb_ldexpf(x,e) (float) ldexp ((double) (x), (e)) |
|
|
1346 | #define ecb_frexpf(x,e) (float) frexp ((double) (x), (e)) |
|
|
1347 | #endif |
|
|
1348 | |
|
|
1349 | /* convert a float to ieee single/binary32 */ |
|
|
1350 | ecb_function_ ecb_const uint32_t ecb_float_to_binary32 (float x); |
|
|
1351 | ecb_function_ ecb_const uint32_t |
|
|
1352 | ecb_float_to_binary32 (float x) |
|
|
1353 | { |
|
|
1354 | uint32_t r; |
|
|
1355 | |
|
|
1356 | #if ECB_STDFP |
|
|
1357 | memcpy (&r, &x, 4); |
|
|
1358 | #else |
|
|
1359 | /* slow emulation, works for anything but -0 */ |
|
|
1360 | uint32_t m; |
|
|
1361 | int e; |
|
|
1362 | |
|
|
1363 | if (x == 0e0f ) return 0x00000000U; |
|
|
1364 | if (x > +3.40282346638528860e+38f) return 0x7f800000U; |
|
|
1365 | if (x < -3.40282346638528860e+38f) return 0xff800000U; |
|
|
1366 | if (x != x ) return 0x7fbfffffU; |
|
|
1367 | |
|
|
1368 | m = ecb_frexpf (x, &e) * 0x1000000U; |
|
|
1369 | |
|
|
1370 | r = m & 0x80000000U; |
|
|
1371 | |
|
|
1372 | if (r) |
|
|
1373 | m = -m; |
|
|
1374 | |
|
|
1375 | if (e <= -126) |
|
|
1376 | { |
|
|
1377 | m &= 0xffffffU; |
|
|
1378 | m >>= (-125 - e); |
|
|
1379 | e = -126; |
|
|
1380 | } |
|
|
1381 | |
|
|
1382 | r |= (e + 126) << 23; |
|
|
1383 | r |= m & 0x7fffffU; |
|
|
1384 | #endif |
|
|
1385 | |
|
|
1386 | return r; |
|
|
1387 | } |
|
|
1388 | |
|
|
1389 | /* converts an ieee single/binary32 to a float */ |
|
|
1390 | ecb_function_ ecb_const float ecb_binary32_to_float (uint32_t x); |
|
|
1391 | ecb_function_ ecb_const float |
|
|
1392 | ecb_binary32_to_float (uint32_t x) |
|
|
1393 | { |
|
|
1394 | float r; |
|
|
1395 | |
|
|
1396 | #if ECB_STDFP |
|
|
1397 | memcpy (&r, &x, 4); |
|
|
1398 | #else |
|
|
1399 | /* emulation, only works for normals and subnormals and +0 */ |
|
|
1400 | int neg = x >> 31; |
|
|
1401 | int e = (x >> 23) & 0xffU; |
|
|
1402 | |
|
|
1403 | x &= 0x7fffffU; |
|
|
1404 | |
|
|
1405 | if (e) |
|
|
1406 | x |= 0x800000U; |
|
|
1407 | else |
|
|
1408 | e = 1; |
|
|
1409 | |
|
|
1410 | /* we distrust ldexpf a bit and do the 2**-24 scaling by an extra multiply */ |
|
|
1411 | r = ecb_ldexpf (x * (0.5f / 0x800000U), e - 126); |
|
|
1412 | |
|
|
1413 | r = neg ? -r : r; |
|
|
1414 | #endif |
|
|
1415 | |
|
|
1416 | return r; |
|
|
1417 | } |
|
|
1418 | |
|
|
1419 | /* convert a double to ieee double/binary64 */ |
|
|
1420 | ecb_function_ ecb_const uint64_t ecb_double_to_binary64 (double x); |
|
|
1421 | ecb_function_ ecb_const uint64_t |
|
|
1422 | ecb_double_to_binary64 (double x) |
|
|
1423 | { |
|
|
1424 | uint64_t r; |
|
|
1425 | |
|
|
1426 | #if ECB_STDFP |
|
|
1427 | memcpy (&r, &x, 8); |
|
|
1428 | #else |
|
|
1429 | /* slow emulation, works for anything but -0 */ |
|
|
1430 | uint64_t m; |
|
|
1431 | int e; |
|
|
1432 | |
|
|
1433 | if (x == 0e0 ) return 0x0000000000000000U; |
|
|
1434 | if (x > +1.79769313486231470e+308) return 0x7ff0000000000000U; |
|
|
1435 | if (x < -1.79769313486231470e+308) return 0xfff0000000000000U; |
|
|
1436 | if (x != x ) return 0X7ff7ffffffffffffU; |
|
|
1437 | |
|
|
1438 | m = frexp (x, &e) * 0x20000000000000U; |
|
|
1439 | |
|
|
1440 | r = m & 0x8000000000000000;; |
|
|
1441 | |
|
|
1442 | if (r) |
|
|
1443 | m = -m; |
|
|
1444 | |
|
|
1445 | if (e <= -1022) |
|
|
1446 | { |
|
|
1447 | m &= 0x1fffffffffffffU; |
|
|
1448 | m >>= (-1021 - e); |
|
|
1449 | e = -1022; |
|
|
1450 | } |
|
|
1451 | |
|
|
1452 | r |= ((uint64_t)(e + 1022)) << 52; |
|
|
1453 | r |= m & 0xfffffffffffffU; |
|
|
1454 | #endif |
|
|
1455 | |
|
|
1456 | return r; |
|
|
1457 | } |
|
|
1458 | |
|
|
1459 | /* converts an ieee double/binary64 to a double */ |
|
|
1460 | ecb_function_ ecb_const double ecb_binary64_to_double (uint64_t x); |
|
|
1461 | ecb_function_ ecb_const double |
|
|
1462 | ecb_binary64_to_double (uint64_t x) |
|
|
1463 | { |
|
|
1464 | double r; |
|
|
1465 | |
|
|
1466 | #if ECB_STDFP |
|
|
1467 | memcpy (&r, &x, 8); |
|
|
1468 | #else |
|
|
1469 | /* emulation, only works for normals and subnormals and +0 */ |
|
|
1470 | int neg = x >> 63; |
|
|
1471 | int e = (x >> 52) & 0x7ffU; |
|
|
1472 | |
|
|
1473 | x &= 0xfffffffffffffU; |
|
|
1474 | |
|
|
1475 | if (e) |
|
|
1476 | x |= 0x10000000000000U; |
|
|
1477 | else |
|
|
1478 | e = 1; |
|
|
1479 | |
|
|
1480 | /* we distrust ldexp a bit and do the 2**-53 scaling by an extra multiply */ |
|
|
1481 | r = ldexp (x * (0.5 / 0x10000000000000U), e - 1022); |
|
|
1482 | |
|
|
1483 | r = neg ? -r : r; |
|
|
1484 | #endif |
|
|
1485 | |
|
|
1486 | return r; |
|
|
1487 | } |
|
|
1488 | |
|
|
1489 | /* convert a float to ieee half/binary16 */ |
|
|
1490 | ecb_function_ ecb_const uint16_t ecb_float_to_binary16 (float x); |
|
|
1491 | ecb_function_ ecb_const uint16_t |
|
|
1492 | ecb_float_to_binary16 (float x) |
|
|
1493 | { |
|
|
1494 | return ecb_binary32_to_binary16 (ecb_float_to_binary32 (x)); |
|
|
1495 | } |
|
|
1496 | |
|
|
1497 | /* convert an ieee half/binary16 to float */ |
|
|
1498 | ecb_function_ ecb_const float ecb_binary16_to_float (uint16_t x); |
|
|
1499 | ecb_function_ ecb_const float |
|
|
1500 | ecb_binary16_to_float (uint16_t x) |
|
|
1501 | { |
|
|
1502 | return ecb_binary32_to_float (ecb_binary16_to_binary32 (x)); |
|
|
1503 | } |
|
|
1504 | |
|
|
1505 | #endif |
|
|
1506 | |
|
|
1507 | #endif |
|
|
1508 | |
|
|
1509 | /* ECB.H END */ |
|
|
1510 | |
|
|
1511 | #if ECB_MEMORY_FENCE_NEEDS_PTHREADS |
|
|
1512 | /* if your architecture doesn't need memory fences, e.g. because it is |
|
|
1513 | * single-cpu/core, or if you use libev in a project that doesn't use libev |
|
|
1514 | * from multiple threads, then you can define ECB_AVOID_PTHREADS when compiling |
|
|
1515 | * libev, in which cases the memory fences become nops. |
|
|
1516 | * alternatively, you can remove this #error and link against libpthread, |
|
|
1517 | * which will then provide the memory fences. |
|
|
1518 | */ |
|
|
1519 | # error "memory fences not defined for your architecture, please report" |
|
|
1520 | #endif |
|
|
1521 | |
|
|
1522 | #ifndef ECB_MEMORY_FENCE |
|
|
1523 | # define ECB_MEMORY_FENCE do { } while (0) |
|
|
1524 | # define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE |
|
|
1525 | # define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
|
|
1526 | #endif |
|
|
1527 | |
|
|
1528 | #define expect_false(cond) ecb_expect_false (cond) |
|
|
1529 | #define expect_true(cond) ecb_expect_true (cond) |
|
|
1530 | #define noinline ecb_noinline |
|
|
1531 | |
441 | #define inline_size static inline |
1532 | #define inline_size ecb_inline |
442 | |
1533 | |
443 | #if EV_MINIMAL |
1534 | #if EV_FEATURE_CODE |
444 | # define inline_speed static noinline |
|
|
445 | #else |
|
|
446 | # define inline_speed static inline |
1535 | # define inline_speed ecb_inline |
|
|
1536 | #else |
|
|
1537 | # define inline_speed noinline static |
447 | #endif |
1538 | #endif |
448 | |
1539 | |
449 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
1540 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
450 | |
1541 | |
451 | #if EV_MINPRI == EV_MAXPRI |
1542 | #if EV_MINPRI == EV_MAXPRI |
… | |
… | |
464 | #define ev_active(w) ((W)(w))->active |
1555 | #define ev_active(w) ((W)(w))->active |
465 | #define ev_at(w) ((WT)(w))->at |
1556 | #define ev_at(w) ((WT)(w))->at |
466 | |
1557 | |
467 | #if EV_USE_REALTIME |
1558 | #if EV_USE_REALTIME |
468 | /* sig_atomic_t is used to avoid per-thread variables or locking but still */ |
1559 | /* sig_atomic_t is used to avoid per-thread variables or locking but still */ |
469 | /* giving it a reasonably high chance of working on typical architetcures */ |
1560 | /* giving it a reasonably high chance of working on typical architectures */ |
470 | static EV_ATOMIC_T have_realtime; /* did clock_gettime (CLOCK_REALTIME) work? */ |
1561 | static EV_ATOMIC_T have_realtime; /* did clock_gettime (CLOCK_REALTIME) work? */ |
471 | #endif |
1562 | #endif |
472 | |
1563 | |
473 | #if EV_USE_MONOTONIC |
1564 | #if EV_USE_MONOTONIC |
474 | static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
1565 | static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
475 | #endif |
1566 | #endif |
476 | |
1567 | |
|
|
1568 | #ifndef EV_FD_TO_WIN32_HANDLE |
|
|
1569 | # define EV_FD_TO_WIN32_HANDLE(fd) _get_osfhandle (fd) |
|
|
1570 | #endif |
|
|
1571 | #ifndef EV_WIN32_HANDLE_TO_FD |
|
|
1572 | # define EV_WIN32_HANDLE_TO_FD(handle) _open_osfhandle (handle, 0) |
|
|
1573 | #endif |
|
|
1574 | #ifndef EV_WIN32_CLOSE_FD |
|
|
1575 | # define EV_WIN32_CLOSE_FD(fd) close (fd) |
|
|
1576 | #endif |
|
|
1577 | |
477 | #ifdef _WIN32 |
1578 | #ifdef _WIN32 |
478 | # include "ev_win32.c" |
1579 | # include "ev_win32.c" |
479 | #endif |
1580 | #endif |
480 | |
1581 | |
481 | /*****************************************************************************/ |
1582 | /*****************************************************************************/ |
482 | |
1583 | |
|
|
1584 | /* define a suitable floor function (only used by periodics atm) */ |
|
|
1585 | |
|
|
1586 | #if EV_USE_FLOOR |
|
|
1587 | # include <math.h> |
|
|
1588 | # define ev_floor(v) floor (v) |
|
|
1589 | #else |
|
|
1590 | |
|
|
1591 | #include <float.h> |
|
|
1592 | |
|
|
1593 | /* a floor() replacement function, should be independent of ev_tstamp type */ |
|
|
1594 | noinline |
|
|
1595 | static ev_tstamp |
|
|
1596 | ev_floor (ev_tstamp v) |
|
|
1597 | { |
|
|
1598 | /* the choice of shift factor is not terribly important */ |
|
|
1599 | #if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */ |
|
|
1600 | const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.; |
|
|
1601 | #else |
|
|
1602 | const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 18446744073709551616. : 4294967296.; |
|
|
1603 | #endif |
|
|
1604 | |
|
|
1605 | /* argument too large for an unsigned long? */ |
|
|
1606 | if (expect_false (v >= shift)) |
|
|
1607 | { |
|
|
1608 | ev_tstamp f; |
|
|
1609 | |
|
|
1610 | if (v == v - 1.) |
|
|
1611 | return v; /* very large number */ |
|
|
1612 | |
|
|
1613 | f = shift * ev_floor (v * (1. / shift)); |
|
|
1614 | return f + ev_floor (v - f); |
|
|
1615 | } |
|
|
1616 | |
|
|
1617 | /* special treatment for negative args? */ |
|
|
1618 | if (expect_false (v < 0.)) |
|
|
1619 | { |
|
|
1620 | ev_tstamp f = -ev_floor (-v); |
|
|
1621 | |
|
|
1622 | return f - (f == v ? 0 : 1); |
|
|
1623 | } |
|
|
1624 | |
|
|
1625 | /* fits into an unsigned long */ |
|
|
1626 | return (unsigned long)v; |
|
|
1627 | } |
|
|
1628 | |
|
|
1629 | #endif |
|
|
1630 | |
|
|
1631 | /*****************************************************************************/ |
|
|
1632 | |
|
|
1633 | #ifdef __linux |
|
|
1634 | # include <sys/utsname.h> |
|
|
1635 | #endif |
|
|
1636 | |
|
|
1637 | noinline ecb_cold |
|
|
1638 | static unsigned int |
|
|
1639 | ev_linux_version (void) |
|
|
1640 | { |
|
|
1641 | #ifdef __linux |
|
|
1642 | unsigned int v = 0; |
|
|
1643 | struct utsname buf; |
|
|
1644 | int i; |
|
|
1645 | char *p = buf.release; |
|
|
1646 | |
|
|
1647 | if (uname (&buf)) |
|
|
1648 | return 0; |
|
|
1649 | |
|
|
1650 | for (i = 3+1; --i; ) |
|
|
1651 | { |
|
|
1652 | unsigned int c = 0; |
|
|
1653 | |
|
|
1654 | for (;;) |
|
|
1655 | { |
|
|
1656 | if (*p >= '0' && *p <= '9') |
|
|
1657 | c = c * 10 + *p++ - '0'; |
|
|
1658 | else |
|
|
1659 | { |
|
|
1660 | p += *p == '.'; |
|
|
1661 | break; |
|
|
1662 | } |
|
|
1663 | } |
|
|
1664 | |
|
|
1665 | v = (v << 8) | c; |
|
|
1666 | } |
|
|
1667 | |
|
|
1668 | return v; |
|
|
1669 | #else |
|
|
1670 | return 0; |
|
|
1671 | #endif |
|
|
1672 | } |
|
|
1673 | |
|
|
1674 | /*****************************************************************************/ |
|
|
1675 | |
|
|
1676 | #if EV_AVOID_STDIO |
|
|
1677 | noinline ecb_cold |
|
|
1678 | static void |
|
|
1679 | ev_printerr (const char *msg) |
|
|
1680 | { |
|
|
1681 | write (STDERR_FILENO, msg, strlen (msg)); |
|
|
1682 | } |
|
|
1683 | #endif |
|
|
1684 | |
483 | static void (*syserr_cb)(const char *msg); |
1685 | static void (*syserr_cb)(const char *msg) EV_NOEXCEPT; |
484 | |
1686 | |
|
|
1687 | ecb_cold |
485 | void |
1688 | void |
486 | ev_set_syserr_cb (void (*cb)(const char *msg)) |
1689 | ev_set_syserr_cb (void (*cb)(const char *msg) EV_NOEXCEPT) EV_NOEXCEPT |
487 | { |
1690 | { |
488 | syserr_cb = cb; |
1691 | syserr_cb = cb; |
489 | } |
1692 | } |
490 | |
1693 | |
491 | static void noinline |
1694 | noinline ecb_cold |
|
|
1695 | static void |
492 | ev_syserr (const char *msg) |
1696 | ev_syserr (const char *msg) |
493 | { |
1697 | { |
494 | if (!msg) |
1698 | if (!msg) |
495 | msg = "(libev) system error"; |
1699 | msg = "(libev) system error"; |
496 | |
1700 | |
497 | if (syserr_cb) |
1701 | if (syserr_cb) |
498 | syserr_cb (msg); |
1702 | syserr_cb (msg); |
499 | else |
1703 | else |
500 | { |
1704 | { |
|
|
1705 | #if EV_AVOID_STDIO |
|
|
1706 | ev_printerr (msg); |
|
|
1707 | ev_printerr (": "); |
|
|
1708 | ev_printerr (strerror (errno)); |
|
|
1709 | ev_printerr ("\n"); |
|
|
1710 | #else |
501 | perror (msg); |
1711 | perror (msg); |
|
|
1712 | #endif |
502 | abort (); |
1713 | abort (); |
503 | } |
1714 | } |
504 | } |
1715 | } |
505 | |
1716 | |
506 | static void * |
1717 | static void * |
507 | ev_realloc_emul (void *ptr, long size) |
1718 | ev_realloc_emul (void *ptr, long size) EV_NOEXCEPT |
508 | { |
1719 | { |
509 | /* some systems, notably openbsd and darwin, fail to properly |
1720 | /* some systems, notably openbsd and darwin, fail to properly |
510 | * implement realloc (x, 0) (as required by both ansi c-98 and |
1721 | * implement realloc (x, 0) (as required by both ansi c-89 and |
511 | * the single unix specification, so work around them here. |
1722 | * the single unix specification, so work around them here. |
|
|
1723 | * recently, also (at least) fedora and debian started breaking it, |
|
|
1724 | * despite documenting it otherwise. |
512 | */ |
1725 | */ |
513 | |
1726 | |
514 | if (size) |
1727 | if (size) |
515 | return realloc (ptr, size); |
1728 | return realloc (ptr, size); |
516 | |
1729 | |
517 | free (ptr); |
1730 | free (ptr); |
518 | return 0; |
1731 | return 0; |
519 | } |
1732 | } |
520 | |
1733 | |
521 | static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; |
1734 | static void *(*alloc)(void *ptr, long size) EV_NOEXCEPT = ev_realloc_emul; |
522 | |
1735 | |
|
|
1736 | ecb_cold |
523 | void |
1737 | void |
524 | ev_set_allocator (void *(*cb)(void *ptr, long size)) |
1738 | ev_set_allocator (void *(*cb)(void *ptr, long size) EV_NOEXCEPT) EV_NOEXCEPT |
525 | { |
1739 | { |
526 | alloc = cb; |
1740 | alloc = cb; |
527 | } |
1741 | } |
528 | |
1742 | |
529 | inline_speed void * |
1743 | inline_speed void * |
… | |
… | |
531 | { |
1745 | { |
532 | ptr = alloc (ptr, size); |
1746 | ptr = alloc (ptr, size); |
533 | |
1747 | |
534 | if (!ptr && size) |
1748 | if (!ptr && size) |
535 | { |
1749 | { |
|
|
1750 | #if EV_AVOID_STDIO |
|
|
1751 | ev_printerr ("(libev) memory allocation failed, aborting.\n"); |
|
|
1752 | #else |
536 | fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); |
1753 | fprintf (stderr, "(libev) cannot allocate %ld bytes, aborting.", size); |
|
|
1754 | #endif |
537 | abort (); |
1755 | abort (); |
538 | } |
1756 | } |
539 | |
1757 | |
540 | return ptr; |
1758 | return ptr; |
541 | } |
1759 | } |
… | |
… | |
557 | unsigned char emask; /* the epoll backend stores the actual kernel mask in here */ |
1775 | unsigned char emask; /* the epoll backend stores the actual kernel mask in here */ |
558 | unsigned char unused; |
1776 | unsigned char unused; |
559 | #if EV_USE_EPOLL |
1777 | #if EV_USE_EPOLL |
560 | unsigned int egen; /* generation counter to counter epoll bugs */ |
1778 | unsigned int egen; /* generation counter to counter epoll bugs */ |
561 | #endif |
1779 | #endif |
562 | #if EV_SELECT_IS_WINSOCKET |
1780 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
563 | SOCKET handle; |
1781 | SOCKET handle; |
|
|
1782 | #endif |
|
|
1783 | #if EV_USE_IOCP |
|
|
1784 | OVERLAPPED or, ow; |
564 | #endif |
1785 | #endif |
565 | } ANFD; |
1786 | } ANFD; |
566 | |
1787 | |
567 | /* stores the pending event set for a given watcher */ |
1788 | /* stores the pending event set for a given watcher */ |
568 | typedef struct |
1789 | typedef struct |
… | |
… | |
610 | #undef VAR |
1831 | #undef VAR |
611 | }; |
1832 | }; |
612 | #include "ev_wrap.h" |
1833 | #include "ev_wrap.h" |
613 | |
1834 | |
614 | static struct ev_loop default_loop_struct; |
1835 | static struct ev_loop default_loop_struct; |
615 | struct ev_loop *ev_default_loop_ptr; |
1836 | EV_API_DECL struct ev_loop *ev_default_loop_ptr = 0; /* needs to be initialised to make it a definition despite extern */ |
616 | |
1837 | |
617 | #else |
1838 | #else |
618 | |
1839 | |
619 | ev_tstamp ev_rt_now; |
1840 | EV_API_DECL ev_tstamp ev_rt_now = 0; /* needs to be initialised to make it a definition despite extern */ |
620 | #define VAR(name,decl) static decl; |
1841 | #define VAR(name,decl) static decl; |
621 | #include "ev_vars.h" |
1842 | #include "ev_vars.h" |
622 | #undef VAR |
1843 | #undef VAR |
623 | |
1844 | |
624 | static int ev_default_loop_ptr; |
1845 | static int ev_default_loop_ptr; |
625 | |
1846 | |
626 | #endif |
1847 | #endif |
627 | |
1848 | |
628 | #if EV_MINIMAL < 2 |
1849 | #if EV_FEATURE_API |
629 | # define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A) |
1850 | # define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A) |
630 | # define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A) |
1851 | # define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A) |
631 | # define EV_INVOKE_PENDING invoke_cb (EV_A) |
1852 | # define EV_INVOKE_PENDING invoke_cb (EV_A) |
632 | #else |
1853 | #else |
633 | # define EV_RELEASE_CB (void)0 |
1854 | # define EV_RELEASE_CB (void)0 |
634 | # define EV_ACQUIRE_CB (void)0 |
1855 | # define EV_ACQUIRE_CB (void)0 |
635 | # define EV_INVOKE_PENDING ev_invoke_pending (EV_A) |
1856 | # define EV_INVOKE_PENDING ev_invoke_pending (EV_A) |
636 | #endif |
1857 | #endif |
637 | |
1858 | |
638 | #define EVUNLOOP_RECURSE 0x80 |
1859 | #define EVBREAK_RECURSE 0x80 |
639 | |
1860 | |
640 | /*****************************************************************************/ |
1861 | /*****************************************************************************/ |
641 | |
1862 | |
642 | #ifndef EV_HAVE_EV_TIME |
1863 | #ifndef EV_HAVE_EV_TIME |
643 | ev_tstamp |
1864 | ev_tstamp |
644 | ev_time (void) |
1865 | ev_time (void) EV_NOEXCEPT |
645 | { |
1866 | { |
646 | #if EV_USE_REALTIME |
1867 | #if EV_USE_REALTIME |
647 | if (expect_true (have_realtime)) |
1868 | if (expect_true (have_realtime)) |
648 | { |
1869 | { |
649 | struct timespec ts; |
1870 | struct timespec ts; |
… | |
… | |
673 | return ev_time (); |
1894 | return ev_time (); |
674 | } |
1895 | } |
675 | |
1896 | |
676 | #if EV_MULTIPLICITY |
1897 | #if EV_MULTIPLICITY |
677 | ev_tstamp |
1898 | ev_tstamp |
678 | ev_now (EV_P) |
1899 | ev_now (EV_P) EV_NOEXCEPT |
679 | { |
1900 | { |
680 | return ev_rt_now; |
1901 | return ev_rt_now; |
681 | } |
1902 | } |
682 | #endif |
1903 | #endif |
683 | |
1904 | |
684 | void |
1905 | void |
685 | ev_sleep (ev_tstamp delay) |
1906 | ev_sleep (ev_tstamp delay) EV_NOEXCEPT |
686 | { |
1907 | { |
687 | if (delay > 0.) |
1908 | if (delay > 0.) |
688 | { |
1909 | { |
689 | #if EV_USE_NANOSLEEP |
1910 | #if EV_USE_NANOSLEEP |
690 | struct timespec ts; |
1911 | struct timespec ts; |
691 | |
1912 | |
692 | ts.tv_sec = (time_t)delay; |
1913 | EV_TS_SET (ts, delay); |
693 | ts.tv_nsec = (long)((delay - (ev_tstamp)(ts.tv_sec)) * 1e9); |
|
|
694 | |
|
|
695 | nanosleep (&ts, 0); |
1914 | nanosleep (&ts, 0); |
696 | #elif defined(_WIN32) |
1915 | #elif defined _WIN32 |
|
|
1916 | /* maybe this should round up, as ms is very low resolution */ |
|
|
1917 | /* compared to select (µs) or nanosleep (ns) */ |
697 | Sleep ((unsigned long)(delay * 1e3)); |
1918 | Sleep ((unsigned long)(delay * 1e3)); |
698 | #else |
1919 | #else |
699 | struct timeval tv; |
1920 | struct timeval tv; |
700 | |
|
|
701 | tv.tv_sec = (time_t)delay; |
|
|
702 | tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); |
|
|
703 | |
1921 | |
704 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
1922 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
705 | /* something not guaranteed by newer posix versions, but guaranteed */ |
1923 | /* something not guaranteed by newer posix versions, but guaranteed */ |
706 | /* by older ones */ |
1924 | /* by older ones */ |
|
|
1925 | EV_TV_SET (tv, delay); |
707 | select (0, 0, 0, 0, &tv); |
1926 | select (0, 0, 0, 0, &tv); |
708 | #endif |
1927 | #endif |
709 | } |
1928 | } |
710 | } |
1929 | } |
711 | |
1930 | |
712 | /*****************************************************************************/ |
1931 | /*****************************************************************************/ |
713 | |
1932 | |
714 | #define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */ |
1933 | #define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */ |
715 | |
1934 | |
716 | /* find a suitable new size for the given array, */ |
1935 | /* find a suitable new size for the given array, */ |
717 | /* hopefully by rounding to a ncie-to-malloc size */ |
1936 | /* hopefully by rounding to a nice-to-malloc size */ |
718 | inline_size int |
1937 | inline_size int |
719 | array_nextsize (int elem, int cur, int cnt) |
1938 | array_nextsize (int elem, int cur, int cnt) |
720 | { |
1939 | { |
721 | int ncur = cur + 1; |
1940 | int ncur = cur + 1; |
722 | |
1941 | |
723 | do |
1942 | do |
724 | ncur <<= 1; |
1943 | ncur <<= 1; |
725 | while (cnt > ncur); |
1944 | while (cnt > ncur); |
726 | |
1945 | |
727 | /* if size is large, round to MALLOC_ROUND - 4 * longs to accomodate malloc overhead */ |
1946 | /* if size is large, round to MALLOC_ROUND - 4 * longs to accommodate malloc overhead */ |
728 | if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4) |
1947 | if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4) |
729 | { |
1948 | { |
730 | ncur *= elem; |
1949 | ncur *= elem; |
731 | ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void *) * 4) & ~(MALLOC_ROUND - 1); |
1950 | ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void *) * 4) & ~(MALLOC_ROUND - 1); |
732 | ncur = ncur - sizeof (void *) * 4; |
1951 | ncur = ncur - sizeof (void *) * 4; |
… | |
… | |
734 | } |
1953 | } |
735 | |
1954 | |
736 | return ncur; |
1955 | return ncur; |
737 | } |
1956 | } |
738 | |
1957 | |
739 | static noinline void * |
1958 | noinline ecb_cold |
|
|
1959 | static void * |
740 | array_realloc (int elem, void *base, int *cur, int cnt) |
1960 | array_realloc (int elem, void *base, int *cur, int cnt) |
741 | { |
1961 | { |
742 | *cur = array_nextsize (elem, *cur, cnt); |
1962 | *cur = array_nextsize (elem, *cur, cnt); |
743 | return ev_realloc (base, elem * *cur); |
1963 | return ev_realloc (base, elem * *cur); |
744 | } |
1964 | } |
… | |
… | |
747 | memset ((void *)(base), 0, sizeof (*(base)) * (count)) |
1967 | memset ((void *)(base), 0, sizeof (*(base)) * (count)) |
748 | |
1968 | |
749 | #define array_needsize(type,base,cur,cnt,init) \ |
1969 | #define array_needsize(type,base,cur,cnt,init) \ |
750 | if (expect_false ((cnt) > (cur))) \ |
1970 | if (expect_false ((cnt) > (cur))) \ |
751 | { \ |
1971 | { \ |
752 | int ocur_ = (cur); \ |
1972 | ecb_unused int ocur_ = (cur); \ |
753 | (base) = (type *)array_realloc \ |
1973 | (base) = (type *)array_realloc \ |
754 | (sizeof (type), (base), &(cur), (cnt)); \ |
1974 | (sizeof (type), (base), &(cur), (cnt)); \ |
755 | init ((base) + (ocur_), (cur) - ocur_); \ |
1975 | init ((base) + (ocur_), (cur) - ocur_); \ |
756 | } |
1976 | } |
757 | |
1977 | |
… | |
… | |
769 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0 |
1989 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0 |
770 | |
1990 | |
771 | /*****************************************************************************/ |
1991 | /*****************************************************************************/ |
772 | |
1992 | |
773 | /* dummy callback for pending events */ |
1993 | /* dummy callback for pending events */ |
774 | static void noinline |
1994 | noinline |
|
|
1995 | static void |
775 | pendingcb (EV_P_ ev_prepare *w, int revents) |
1996 | pendingcb (EV_P_ ev_prepare *w, int revents) |
776 | { |
1997 | { |
777 | } |
1998 | } |
778 | |
1999 | |
779 | void noinline |
2000 | noinline |
|
|
2001 | void |
780 | ev_feed_event (EV_P_ void *w, int revents) |
2002 | ev_feed_event (EV_P_ void *w, int revents) EV_NOEXCEPT |
781 | { |
2003 | { |
782 | W w_ = (W)w; |
2004 | W w_ = (W)w; |
783 | int pri = ABSPRI (w_); |
2005 | int pri = ABSPRI (w_); |
784 | |
2006 | |
785 | if (expect_false (w_->pending)) |
2007 | if (expect_false (w_->pending)) |
… | |
… | |
789 | w_->pending = ++pendingcnt [pri]; |
2011 | w_->pending = ++pendingcnt [pri]; |
790 | array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2); |
2012 | array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2); |
791 | pendings [pri][w_->pending - 1].w = w_; |
2013 | pendings [pri][w_->pending - 1].w = w_; |
792 | pendings [pri][w_->pending - 1].events = revents; |
2014 | pendings [pri][w_->pending - 1].events = revents; |
793 | } |
2015 | } |
|
|
2016 | |
|
|
2017 | pendingpri = NUMPRI - 1; |
794 | } |
2018 | } |
795 | |
2019 | |
796 | inline_speed void |
2020 | inline_speed void |
797 | feed_reverse (EV_P_ W w) |
2021 | feed_reverse (EV_P_ W w) |
798 | { |
2022 | { |
… | |
… | |
818 | } |
2042 | } |
819 | |
2043 | |
820 | /*****************************************************************************/ |
2044 | /*****************************************************************************/ |
821 | |
2045 | |
822 | inline_speed void |
2046 | inline_speed void |
823 | fd_event_nc (EV_P_ int fd, int revents) |
2047 | fd_event_nocheck (EV_P_ int fd, int revents) |
824 | { |
2048 | { |
825 | ANFD *anfd = anfds + fd; |
2049 | ANFD *anfd = anfds + fd; |
826 | ev_io *w; |
2050 | ev_io *w; |
827 | |
2051 | |
828 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
2052 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
… | |
… | |
840 | fd_event (EV_P_ int fd, int revents) |
2064 | fd_event (EV_P_ int fd, int revents) |
841 | { |
2065 | { |
842 | ANFD *anfd = anfds + fd; |
2066 | ANFD *anfd = anfds + fd; |
843 | |
2067 | |
844 | if (expect_true (!anfd->reify)) |
2068 | if (expect_true (!anfd->reify)) |
845 | fd_event_nc (EV_A_ fd, revents); |
2069 | fd_event_nocheck (EV_A_ fd, revents); |
846 | } |
2070 | } |
847 | |
2071 | |
848 | void |
2072 | void |
849 | ev_feed_fd_event (EV_P_ int fd, int revents) |
2073 | ev_feed_fd_event (EV_P_ int fd, int revents) EV_NOEXCEPT |
850 | { |
2074 | { |
851 | if (fd >= 0 && fd < anfdmax) |
2075 | if (fd >= 0 && fd < anfdmax) |
852 | fd_event_nc (EV_A_ fd, revents); |
2076 | fd_event_nocheck (EV_A_ fd, revents); |
853 | } |
2077 | } |
854 | |
2078 | |
855 | /* make sure the external fd watch events are in-sync */ |
2079 | /* make sure the external fd watch events are in-sync */ |
856 | /* with the kernel/libev internal state */ |
2080 | /* with the kernel/libev internal state */ |
857 | inline_size void |
2081 | inline_size void |
858 | fd_reify (EV_P) |
2082 | fd_reify (EV_P) |
859 | { |
2083 | { |
860 | int i; |
2084 | int i; |
861 | |
2085 | |
|
|
2086 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
|
|
2087 | for (i = 0; i < fdchangecnt; ++i) |
|
|
2088 | { |
|
|
2089 | int fd = fdchanges [i]; |
|
|
2090 | ANFD *anfd = anfds + fd; |
|
|
2091 | |
|
|
2092 | if (anfd->reify & EV__IOFDSET && anfd->head) |
|
|
2093 | { |
|
|
2094 | SOCKET handle = EV_FD_TO_WIN32_HANDLE (fd); |
|
|
2095 | |
|
|
2096 | if (handle != anfd->handle) |
|
|
2097 | { |
|
|
2098 | unsigned long arg; |
|
|
2099 | |
|
|
2100 | assert (("libev: only socket fds supported in this configuration", ioctlsocket (handle, FIONREAD, &arg) == 0)); |
|
|
2101 | |
|
|
2102 | /* handle changed, but fd didn't - we need to do it in two steps */ |
|
|
2103 | backend_modify (EV_A_ fd, anfd->events, 0); |
|
|
2104 | anfd->events = 0; |
|
|
2105 | anfd->handle = handle; |
|
|
2106 | } |
|
|
2107 | } |
|
|
2108 | } |
|
|
2109 | #endif |
|
|
2110 | |
862 | for (i = 0; i < fdchangecnt; ++i) |
2111 | for (i = 0; i < fdchangecnt; ++i) |
863 | { |
2112 | { |
864 | int fd = fdchanges [i]; |
2113 | int fd = fdchanges [i]; |
865 | ANFD *anfd = anfds + fd; |
2114 | ANFD *anfd = anfds + fd; |
866 | ev_io *w; |
2115 | ev_io *w; |
867 | |
2116 | |
868 | unsigned char events = 0; |
2117 | unsigned char o_events = anfd->events; |
|
|
2118 | unsigned char o_reify = anfd->reify; |
869 | |
2119 | |
870 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
2120 | anfd->reify = 0; |
871 | events |= (unsigned char)w->events; |
|
|
872 | |
2121 | |
873 | #if EV_SELECT_IS_WINSOCKET |
2122 | /*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */ |
874 | if (events) |
|
|
875 | { |
2123 | { |
876 | unsigned long arg; |
2124 | anfd->events = 0; |
877 | #ifdef EV_FD_TO_WIN32_HANDLE |
2125 | |
878 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
2126 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
879 | #else |
2127 | anfd->events |= (unsigned char)w->events; |
880 | anfd->handle = _get_osfhandle (fd); |
2128 | |
881 | #endif |
2129 | if (o_events != anfd->events) |
882 | assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); |
2130 | o_reify = EV__IOFDSET; /* actually |= */ |
883 | } |
2131 | } |
884 | #endif |
|
|
885 | |
2132 | |
886 | { |
2133 | if (o_reify & EV__IOFDSET) |
887 | unsigned char o_events = anfd->events; |
|
|
888 | unsigned char o_reify = anfd->reify; |
|
|
889 | |
|
|
890 | anfd->reify = 0; |
|
|
891 | anfd->events = events; |
|
|
892 | |
|
|
893 | if (o_events != events || o_reify & EV__IOFDSET) |
|
|
894 | backend_modify (EV_A_ fd, o_events, events); |
2134 | backend_modify (EV_A_ fd, o_events, anfd->events); |
895 | } |
|
|
896 | } |
2135 | } |
897 | |
2136 | |
898 | fdchangecnt = 0; |
2137 | fdchangecnt = 0; |
899 | } |
2138 | } |
900 | |
2139 | |
901 | /* something about the given fd changed */ |
2140 | /* something about the given fd changed */ |
902 | inline_size void |
2141 | inline_size |
|
|
2142 | void |
903 | fd_change (EV_P_ int fd, int flags) |
2143 | fd_change (EV_P_ int fd, int flags) |
904 | { |
2144 | { |
905 | unsigned char reify = anfds [fd].reify; |
2145 | unsigned char reify = anfds [fd].reify; |
906 | anfds [fd].reify |= flags; |
2146 | anfds [fd].reify |= flags; |
907 | |
2147 | |
… | |
… | |
912 | fdchanges [fdchangecnt - 1] = fd; |
2152 | fdchanges [fdchangecnt - 1] = fd; |
913 | } |
2153 | } |
914 | } |
2154 | } |
915 | |
2155 | |
916 | /* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */ |
2156 | /* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */ |
917 | inline_speed void |
2157 | inline_speed ecb_cold void |
918 | fd_kill (EV_P_ int fd) |
2158 | fd_kill (EV_P_ int fd) |
919 | { |
2159 | { |
920 | ev_io *w; |
2160 | ev_io *w; |
921 | |
2161 | |
922 | while ((w = (ev_io *)anfds [fd].head)) |
2162 | while ((w = (ev_io *)anfds [fd].head)) |
… | |
… | |
924 | ev_io_stop (EV_A_ w); |
2164 | ev_io_stop (EV_A_ w); |
925 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
2165 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
926 | } |
2166 | } |
927 | } |
2167 | } |
928 | |
2168 | |
929 | /* check whether the given fd is atcually valid, for error recovery */ |
2169 | /* check whether the given fd is actually valid, for error recovery */ |
930 | inline_size int |
2170 | inline_size ecb_cold int |
931 | fd_valid (int fd) |
2171 | fd_valid (int fd) |
932 | { |
2172 | { |
933 | #ifdef _WIN32 |
2173 | #ifdef _WIN32 |
934 | return _get_osfhandle (fd) != -1; |
2174 | return EV_FD_TO_WIN32_HANDLE (fd) != -1; |
935 | #else |
2175 | #else |
936 | return fcntl (fd, F_GETFD) != -1; |
2176 | return fcntl (fd, F_GETFD) != -1; |
937 | #endif |
2177 | #endif |
938 | } |
2178 | } |
939 | |
2179 | |
940 | /* called on EBADF to verify fds */ |
2180 | /* called on EBADF to verify fds */ |
941 | static void noinline |
2181 | noinline ecb_cold |
|
|
2182 | static void |
942 | fd_ebadf (EV_P) |
2183 | fd_ebadf (EV_P) |
943 | { |
2184 | { |
944 | int fd; |
2185 | int fd; |
945 | |
2186 | |
946 | for (fd = 0; fd < anfdmax; ++fd) |
2187 | for (fd = 0; fd < anfdmax; ++fd) |
… | |
… | |
948 | if (!fd_valid (fd) && errno == EBADF) |
2189 | if (!fd_valid (fd) && errno == EBADF) |
949 | fd_kill (EV_A_ fd); |
2190 | fd_kill (EV_A_ fd); |
950 | } |
2191 | } |
951 | |
2192 | |
952 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
2193 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
953 | static void noinline |
2194 | noinline ecb_cold |
|
|
2195 | static void |
954 | fd_enomem (EV_P) |
2196 | fd_enomem (EV_P) |
955 | { |
2197 | { |
956 | int fd; |
2198 | int fd; |
957 | |
2199 | |
958 | for (fd = anfdmax; fd--; ) |
2200 | for (fd = anfdmax; fd--; ) |
… | |
… | |
962 | break; |
2204 | break; |
963 | } |
2205 | } |
964 | } |
2206 | } |
965 | |
2207 | |
966 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
2208 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
967 | static void noinline |
2209 | noinline |
|
|
2210 | static void |
968 | fd_rearm_all (EV_P) |
2211 | fd_rearm_all (EV_P) |
969 | { |
2212 | { |
970 | int fd; |
2213 | int fd; |
971 | |
2214 | |
972 | for (fd = 0; fd < anfdmax; ++fd) |
2215 | for (fd = 0; fd < anfdmax; ++fd) |
… | |
… | |
976 | anfds [fd].emask = 0; |
2219 | anfds [fd].emask = 0; |
977 | fd_change (EV_A_ fd, EV__IOFDSET | EV_ANFD_REIFY); |
2220 | fd_change (EV_A_ fd, EV__IOFDSET | EV_ANFD_REIFY); |
978 | } |
2221 | } |
979 | } |
2222 | } |
980 | |
2223 | |
|
|
2224 | /* used to prepare libev internal fd's */ |
|
|
2225 | /* this is not fork-safe */ |
|
|
2226 | inline_speed void |
|
|
2227 | fd_intern (int fd) |
|
|
2228 | { |
|
|
2229 | #ifdef _WIN32 |
|
|
2230 | unsigned long arg = 1; |
|
|
2231 | ioctlsocket (EV_FD_TO_WIN32_HANDLE (fd), FIONBIO, &arg); |
|
|
2232 | #else |
|
|
2233 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
|
|
2234 | fcntl (fd, F_SETFL, O_NONBLOCK); |
|
|
2235 | #endif |
|
|
2236 | } |
|
|
2237 | |
981 | /*****************************************************************************/ |
2238 | /*****************************************************************************/ |
982 | |
2239 | |
983 | /* |
2240 | /* |
984 | * the heap functions want a real array index. array index 0 uis guaranteed to not |
2241 | * the heap functions want a real array index. array index 0 is guaranteed to not |
985 | * be in-use at any time. the first heap entry is at array [HEAP0]. DHEAP gives |
2242 | * be in-use at any time. the first heap entry is at array [HEAP0]. DHEAP gives |
986 | * the branching factor of the d-tree. |
2243 | * the branching factor of the d-tree. |
987 | */ |
2244 | */ |
988 | |
2245 | |
989 | /* |
2246 | /* |
… | |
… | |
1057 | |
2314 | |
1058 | for (;;) |
2315 | for (;;) |
1059 | { |
2316 | { |
1060 | int c = k << 1; |
2317 | int c = k << 1; |
1061 | |
2318 | |
1062 | if (c > N + HEAP0 - 1) |
2319 | if (c >= N + HEAP0) |
1063 | break; |
2320 | break; |
1064 | |
2321 | |
1065 | c += c + 1 < N + HEAP0 && ANHE_at (heap [c]) > ANHE_at (heap [c + 1]) |
2322 | c += c + 1 < N + HEAP0 && ANHE_at (heap [c]) > ANHE_at (heap [c + 1]) |
1066 | ? 1 : 0; |
2323 | ? 1 : 0; |
1067 | |
2324 | |
… | |
… | |
1103 | |
2360 | |
1104 | /* move an element suitably so it is in a correct place */ |
2361 | /* move an element suitably so it is in a correct place */ |
1105 | inline_size void |
2362 | inline_size void |
1106 | adjustheap (ANHE *heap, int N, int k) |
2363 | adjustheap (ANHE *heap, int N, int k) |
1107 | { |
2364 | { |
1108 | if (k > HEAP0 && ANHE_at (heap [HPARENT (k)]) >= ANHE_at (heap [k])) |
2365 | if (k > HEAP0 && ANHE_at (heap [k]) <= ANHE_at (heap [HPARENT (k)])) |
1109 | upheap (heap, k); |
2366 | upheap (heap, k); |
1110 | else |
2367 | else |
1111 | downheap (heap, N, k); |
2368 | downheap (heap, N, k); |
1112 | } |
2369 | } |
1113 | |
2370 | |
… | |
… | |
1137 | |
2394 | |
1138 | static ANSIG signals [EV_NSIG - 1]; |
2395 | static ANSIG signals [EV_NSIG - 1]; |
1139 | |
2396 | |
1140 | /*****************************************************************************/ |
2397 | /*****************************************************************************/ |
1141 | |
2398 | |
1142 | /* used to prepare libev internal fd's */ |
2399 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
1143 | /* this is not fork-safe */ |
2400 | |
|
|
2401 | noinline ecb_cold |
|
|
2402 | static void |
|
|
2403 | evpipe_init (EV_P) |
|
|
2404 | { |
|
|
2405 | if (!ev_is_active (&pipe_w)) |
|
|
2406 | { |
|
|
2407 | int fds [2]; |
|
|
2408 | |
|
|
2409 | # if EV_USE_EVENTFD |
|
|
2410 | fds [0] = -1; |
|
|
2411 | fds [1] = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC); |
|
|
2412 | if (fds [1] < 0 && errno == EINVAL) |
|
|
2413 | fds [1] = eventfd (0, 0); |
|
|
2414 | |
|
|
2415 | if (fds [1] < 0) |
|
|
2416 | # endif |
|
|
2417 | { |
|
|
2418 | while (pipe (fds)) |
|
|
2419 | ev_syserr ("(libev) error creating signal/async pipe"); |
|
|
2420 | |
|
|
2421 | fd_intern (fds [0]); |
|
|
2422 | } |
|
|
2423 | |
|
|
2424 | evpipe [0] = fds [0]; |
|
|
2425 | |
|
|
2426 | if (evpipe [1] < 0) |
|
|
2427 | evpipe [1] = fds [1]; /* first call, set write fd */ |
|
|
2428 | else |
|
|
2429 | { |
|
|
2430 | /* on subsequent calls, do not change evpipe [1] */ |
|
|
2431 | /* so that evpipe_write can always rely on its value. */ |
|
|
2432 | /* this branch does not do anything sensible on windows, */ |
|
|
2433 | /* so must not be executed on windows */ |
|
|
2434 | |
|
|
2435 | dup2 (fds [1], evpipe [1]); |
|
|
2436 | close (fds [1]); |
|
|
2437 | } |
|
|
2438 | |
|
|
2439 | fd_intern (evpipe [1]); |
|
|
2440 | |
|
|
2441 | ev_io_set (&pipe_w, evpipe [0] < 0 ? evpipe [1] : evpipe [0], EV_READ); |
|
|
2442 | ev_io_start (EV_A_ &pipe_w); |
|
|
2443 | ev_unref (EV_A); /* watcher should not keep loop alive */ |
|
|
2444 | } |
|
|
2445 | } |
|
|
2446 | |
1144 | inline_speed void |
2447 | inline_speed void |
1145 | fd_intern (int fd) |
2448 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
1146 | { |
2449 | { |
1147 | #ifdef _WIN32 |
2450 | ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */ |
1148 | unsigned long arg = 1; |
|
|
1149 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
|
|
1150 | #else |
|
|
1151 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
|
|
1152 | fcntl (fd, F_SETFL, O_NONBLOCK); |
|
|
1153 | #endif |
|
|
1154 | } |
|
|
1155 | |
2451 | |
1156 | static void noinline |
2452 | if (expect_true (*flag)) |
1157 | evpipe_init (EV_P) |
2453 | return; |
1158 | { |
2454 | |
1159 | if (!ev_is_active (&pipe_w)) |
2455 | *flag = 1; |
|
|
2456 | ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */ |
|
|
2457 | |
|
|
2458 | pipe_write_skipped = 1; |
|
|
2459 | |
|
|
2460 | ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */ |
|
|
2461 | |
|
|
2462 | if (pipe_write_wanted) |
1160 | { |
2463 | { |
|
|
2464 | int old_errno; |
|
|
2465 | |
|
|
2466 | pipe_write_skipped = 0; |
|
|
2467 | ECB_MEMORY_FENCE_RELEASE; |
|
|
2468 | |
|
|
2469 | old_errno = errno; /* save errno because write will clobber it */ |
|
|
2470 | |
1161 | #if EV_USE_EVENTFD |
2471 | #if EV_USE_EVENTFD |
1162 | evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC); |
2472 | if (evpipe [0] < 0) |
1163 | if (evfd < 0 && errno == EINVAL) |
|
|
1164 | evfd = eventfd (0, 0); |
|
|
1165 | |
|
|
1166 | if (evfd >= 0) |
|
|
1167 | { |
2473 | { |
1168 | evpipe [0] = -1; |
2474 | uint64_t counter = 1; |
1169 | fd_intern (evfd); /* doing it twice doesn't hurt */ |
2475 | write (evpipe [1], &counter, sizeof (uint64_t)); |
1170 | ev_io_set (&pipe_w, evfd, EV_READ); |
|
|
1171 | } |
2476 | } |
1172 | else |
2477 | else |
1173 | #endif |
2478 | #endif |
1174 | { |
2479 | { |
1175 | while (pipe (evpipe)) |
2480 | #ifdef _WIN32 |
1176 | ev_syserr ("(libev) error creating signal/async pipe"); |
2481 | WSABUF buf; |
1177 | |
2482 | DWORD sent; |
1178 | fd_intern (evpipe [0]); |
2483 | buf.buf = (char *)&buf; |
1179 | fd_intern (evpipe [1]); |
2484 | buf.len = 1; |
1180 | ev_io_set (&pipe_w, evpipe [0], EV_READ); |
2485 | WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0); |
|
|
2486 | #else |
|
|
2487 | write (evpipe [1], &(evpipe [1]), 1); |
|
|
2488 | #endif |
1181 | } |
2489 | } |
1182 | |
|
|
1183 | ev_io_start (EV_A_ &pipe_w); |
|
|
1184 | ev_unref (EV_A); /* watcher should not keep loop alive */ |
|
|
1185 | } |
|
|
1186 | } |
|
|
1187 | |
|
|
1188 | inline_size void |
|
|
1189 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
|
|
1190 | { |
|
|
1191 | if (!*flag) |
|
|
1192 | { |
|
|
1193 | int old_errno = errno; /* save errno because write might clobber it */ |
|
|
1194 | |
|
|
1195 | *flag = 1; |
|
|
1196 | |
|
|
1197 | #if EV_USE_EVENTFD |
|
|
1198 | if (evfd >= 0) |
|
|
1199 | { |
|
|
1200 | uint64_t counter = 1; |
|
|
1201 | write (evfd, &counter, sizeof (uint64_t)); |
|
|
1202 | } |
|
|
1203 | else |
|
|
1204 | #endif |
|
|
1205 | write (evpipe [1], &old_errno, 1); |
|
|
1206 | |
2490 | |
1207 | errno = old_errno; |
2491 | errno = old_errno; |
1208 | } |
2492 | } |
1209 | } |
2493 | } |
1210 | |
2494 | |
… | |
… | |
1213 | static void |
2497 | static void |
1214 | pipecb (EV_P_ ev_io *iow, int revents) |
2498 | pipecb (EV_P_ ev_io *iow, int revents) |
1215 | { |
2499 | { |
1216 | int i; |
2500 | int i; |
1217 | |
2501 | |
|
|
2502 | if (revents & EV_READ) |
|
|
2503 | { |
1218 | #if EV_USE_EVENTFD |
2504 | #if EV_USE_EVENTFD |
1219 | if (evfd >= 0) |
2505 | if (evpipe [0] < 0) |
1220 | { |
2506 | { |
1221 | uint64_t counter; |
2507 | uint64_t counter; |
1222 | read (evfd, &counter, sizeof (uint64_t)); |
2508 | read (evpipe [1], &counter, sizeof (uint64_t)); |
1223 | } |
2509 | } |
1224 | else |
2510 | else |
1225 | #endif |
2511 | #endif |
1226 | { |
2512 | { |
1227 | char dummy; |
2513 | char dummy[4]; |
|
|
2514 | #ifdef _WIN32 |
|
|
2515 | WSABUF buf; |
|
|
2516 | DWORD recvd; |
|
|
2517 | DWORD flags = 0; |
|
|
2518 | buf.buf = dummy; |
|
|
2519 | buf.len = sizeof (dummy); |
|
|
2520 | WSARecv (EV_FD_TO_WIN32_HANDLE (evpipe [0]), &buf, 1, &recvd, &flags, 0, 0); |
|
|
2521 | #else |
1228 | read (evpipe [0], &dummy, 1); |
2522 | read (evpipe [0], &dummy, sizeof (dummy)); |
|
|
2523 | #endif |
|
|
2524 | } |
1229 | } |
2525 | } |
1230 | |
2526 | |
|
|
2527 | pipe_write_skipped = 0; |
|
|
2528 | |
|
|
2529 | ECB_MEMORY_FENCE; /* push out skipped, acquire flags */ |
|
|
2530 | |
|
|
2531 | #if EV_SIGNAL_ENABLE |
1231 | if (sig_pending) |
2532 | if (sig_pending) |
1232 | { |
2533 | { |
1233 | sig_pending = 0; |
2534 | sig_pending = 0; |
|
|
2535 | |
|
|
2536 | ECB_MEMORY_FENCE; |
1234 | |
2537 | |
1235 | for (i = EV_NSIG - 1; i--; ) |
2538 | for (i = EV_NSIG - 1; i--; ) |
1236 | if (expect_false (signals [i].pending)) |
2539 | if (expect_false (signals [i].pending)) |
1237 | ev_feed_signal_event (EV_A_ i + 1); |
2540 | ev_feed_signal_event (EV_A_ i + 1); |
1238 | } |
2541 | } |
|
|
2542 | #endif |
1239 | |
2543 | |
1240 | #if EV_ASYNC_ENABLE |
2544 | #if EV_ASYNC_ENABLE |
1241 | if (async_pending) |
2545 | if (async_pending) |
1242 | { |
2546 | { |
1243 | async_pending = 0; |
2547 | async_pending = 0; |
|
|
2548 | |
|
|
2549 | ECB_MEMORY_FENCE; |
1244 | |
2550 | |
1245 | for (i = asynccnt; i--; ) |
2551 | for (i = asynccnt; i--; ) |
1246 | if (asyncs [i]->sent) |
2552 | if (asyncs [i]->sent) |
1247 | { |
2553 | { |
1248 | asyncs [i]->sent = 0; |
2554 | asyncs [i]->sent = 0; |
|
|
2555 | ECB_MEMORY_FENCE_RELEASE; |
1249 | ev_feed_event (EV_A_ asyncs [i], EV_ASYNC); |
2556 | ev_feed_event (EV_A_ asyncs [i], EV_ASYNC); |
1250 | } |
2557 | } |
1251 | } |
2558 | } |
1252 | #endif |
2559 | #endif |
1253 | } |
2560 | } |
1254 | |
2561 | |
1255 | /*****************************************************************************/ |
2562 | /*****************************************************************************/ |
1256 | |
2563 | |
|
|
2564 | void |
|
|
2565 | ev_feed_signal (int signum) EV_NOEXCEPT |
|
|
2566 | { |
|
|
2567 | #if EV_MULTIPLICITY |
|
|
2568 | EV_P; |
|
|
2569 | ECB_MEMORY_FENCE_ACQUIRE; |
|
|
2570 | EV_A = signals [signum - 1].loop; |
|
|
2571 | |
|
|
2572 | if (!EV_A) |
|
|
2573 | return; |
|
|
2574 | #endif |
|
|
2575 | |
|
|
2576 | signals [signum - 1].pending = 1; |
|
|
2577 | evpipe_write (EV_A_ &sig_pending); |
|
|
2578 | } |
|
|
2579 | |
1257 | static void |
2580 | static void |
1258 | ev_sighandler (int signum) |
2581 | ev_sighandler (int signum) |
1259 | { |
2582 | { |
1260 | #if EV_MULTIPLICITY |
|
|
1261 | EV_P = signals [signum - 1].loop; |
|
|
1262 | #endif |
|
|
1263 | |
|
|
1264 | #if _WIN32 |
2583 | #ifdef _WIN32 |
1265 | signal (signum, ev_sighandler); |
2584 | signal (signum, ev_sighandler); |
1266 | #endif |
2585 | #endif |
1267 | |
2586 | |
1268 | signals [signum - 1].pending = 1; |
2587 | ev_feed_signal (signum); |
1269 | evpipe_write (EV_A_ &sig_pending); |
|
|
1270 | } |
2588 | } |
1271 | |
2589 | |
1272 | void noinline |
2590 | noinline |
|
|
2591 | void |
1273 | ev_feed_signal_event (EV_P_ int signum) |
2592 | ev_feed_signal_event (EV_P_ int signum) EV_NOEXCEPT |
1274 | { |
2593 | { |
1275 | WL w; |
2594 | WL w; |
1276 | |
2595 | |
1277 | if (expect_false (signum <= 0 || signum > EV_NSIG)) |
2596 | if (expect_false (signum <= 0 || signum >= EV_NSIG)) |
1278 | return; |
2597 | return; |
1279 | |
2598 | |
1280 | --signum; |
2599 | --signum; |
1281 | |
2600 | |
1282 | #if EV_MULTIPLICITY |
2601 | #if EV_MULTIPLICITY |
… | |
… | |
1286 | if (expect_false (signals [signum].loop != EV_A)) |
2605 | if (expect_false (signals [signum].loop != EV_A)) |
1287 | return; |
2606 | return; |
1288 | #endif |
2607 | #endif |
1289 | |
2608 | |
1290 | signals [signum].pending = 0; |
2609 | signals [signum].pending = 0; |
|
|
2610 | ECB_MEMORY_FENCE_RELEASE; |
1291 | |
2611 | |
1292 | for (w = signals [signum].head; w; w = w->next) |
2612 | for (w = signals [signum].head; w; w = w->next) |
1293 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
2613 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
1294 | } |
2614 | } |
1295 | |
2615 | |
… | |
… | |
1311 | break; |
2631 | break; |
1312 | } |
2632 | } |
1313 | } |
2633 | } |
1314 | #endif |
2634 | #endif |
1315 | |
2635 | |
|
|
2636 | #endif |
|
|
2637 | |
1316 | /*****************************************************************************/ |
2638 | /*****************************************************************************/ |
1317 | |
2639 | |
|
|
2640 | #if EV_CHILD_ENABLE |
1318 | static WL childs [EV_PID_HASHSIZE]; |
2641 | static WL childs [EV_PID_HASHSIZE]; |
1319 | |
|
|
1320 | #ifndef _WIN32 |
|
|
1321 | |
2642 | |
1322 | static ev_signal childev; |
2643 | static ev_signal childev; |
1323 | |
2644 | |
1324 | #ifndef WIFCONTINUED |
2645 | #ifndef WIFCONTINUED |
1325 | # define WIFCONTINUED(status) 0 |
2646 | # define WIFCONTINUED(status) 0 |
… | |
… | |
1330 | child_reap (EV_P_ int chain, int pid, int status) |
2651 | child_reap (EV_P_ int chain, int pid, int status) |
1331 | { |
2652 | { |
1332 | ev_child *w; |
2653 | ev_child *w; |
1333 | int traced = WIFSTOPPED (status) || WIFCONTINUED (status); |
2654 | int traced = WIFSTOPPED (status) || WIFCONTINUED (status); |
1334 | |
2655 | |
1335 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
2656 | for (w = (ev_child *)childs [chain & ((EV_PID_HASHSIZE) - 1)]; w; w = (ev_child *)((WL)w)->next) |
1336 | { |
2657 | { |
1337 | if ((w->pid == pid || !w->pid) |
2658 | if ((w->pid == pid || !w->pid) |
1338 | && (!traced || (w->flags & 1))) |
2659 | && (!traced || (w->flags & 1))) |
1339 | { |
2660 | { |
1340 | ev_set_priority (w, EV_MAXPRI); /* need to do it *now*, this *must* be the same prio as the signal watcher itself */ |
2661 | ev_set_priority (w, EV_MAXPRI); /* need to do it *now*, this *must* be the same prio as the signal watcher itself */ |
… | |
… | |
1365 | /* make sure we are called again until all children have been reaped */ |
2686 | /* make sure we are called again until all children have been reaped */ |
1366 | /* we need to do it this way so that the callback gets called before we continue */ |
2687 | /* we need to do it this way so that the callback gets called before we continue */ |
1367 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
2688 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
1368 | |
2689 | |
1369 | child_reap (EV_A_ pid, pid, status); |
2690 | child_reap (EV_A_ pid, pid, status); |
1370 | if (EV_PID_HASHSIZE > 1) |
2691 | if ((EV_PID_HASHSIZE) > 1) |
1371 | child_reap (EV_A_ 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
2692 | child_reap (EV_A_ 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
1372 | } |
2693 | } |
1373 | |
2694 | |
1374 | #endif |
2695 | #endif |
1375 | |
2696 | |
1376 | /*****************************************************************************/ |
2697 | /*****************************************************************************/ |
1377 | |
2698 | |
|
|
2699 | #if EV_USE_IOCP |
|
|
2700 | # include "ev_iocp.c" |
|
|
2701 | #endif |
1378 | #if EV_USE_PORT |
2702 | #if EV_USE_PORT |
1379 | # include "ev_port.c" |
2703 | # include "ev_port.c" |
1380 | #endif |
2704 | #endif |
1381 | #if EV_USE_KQUEUE |
2705 | #if EV_USE_KQUEUE |
1382 | # include "ev_kqueue.c" |
2706 | # include "ev_kqueue.c" |
… | |
… | |
1389 | #endif |
2713 | #endif |
1390 | #if EV_USE_SELECT |
2714 | #if EV_USE_SELECT |
1391 | # include "ev_select.c" |
2715 | # include "ev_select.c" |
1392 | #endif |
2716 | #endif |
1393 | |
2717 | |
1394 | int |
2718 | ecb_cold int |
1395 | ev_version_major (void) |
2719 | ev_version_major (void) EV_NOEXCEPT |
1396 | { |
2720 | { |
1397 | return EV_VERSION_MAJOR; |
2721 | return EV_VERSION_MAJOR; |
1398 | } |
2722 | } |
1399 | |
2723 | |
1400 | int |
2724 | ecb_cold int |
1401 | ev_version_minor (void) |
2725 | ev_version_minor (void) EV_NOEXCEPT |
1402 | { |
2726 | { |
1403 | return EV_VERSION_MINOR; |
2727 | return EV_VERSION_MINOR; |
1404 | } |
2728 | } |
1405 | |
2729 | |
1406 | /* return true if we are running with elevated privileges and should ignore env variables */ |
2730 | /* return true if we are running with elevated privileges and should ignore env variables */ |
1407 | int inline_size |
2731 | inline_size ecb_cold int |
1408 | enable_secure (void) |
2732 | enable_secure (void) |
1409 | { |
2733 | { |
1410 | #ifdef _WIN32 |
2734 | #ifdef _WIN32 |
1411 | return 0; |
2735 | return 0; |
1412 | #else |
2736 | #else |
1413 | return getuid () != geteuid () |
2737 | return getuid () != geteuid () |
1414 | || getgid () != getegid (); |
2738 | || getgid () != getegid (); |
1415 | #endif |
2739 | #endif |
1416 | } |
2740 | } |
1417 | |
2741 | |
|
|
2742 | ecb_cold |
1418 | unsigned int |
2743 | unsigned int |
1419 | ev_supported_backends (void) |
2744 | ev_supported_backends (void) EV_NOEXCEPT |
1420 | { |
2745 | { |
1421 | unsigned int flags = 0; |
2746 | unsigned int flags = 0; |
1422 | |
2747 | |
1423 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
2748 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
1424 | if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; |
2749 | if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; |
… | |
… | |
1427 | if (EV_USE_SELECT) flags |= EVBACKEND_SELECT; |
2752 | if (EV_USE_SELECT) flags |= EVBACKEND_SELECT; |
1428 | |
2753 | |
1429 | return flags; |
2754 | return flags; |
1430 | } |
2755 | } |
1431 | |
2756 | |
|
|
2757 | ecb_cold |
1432 | unsigned int |
2758 | unsigned int |
1433 | ev_recommended_backends (void) |
2759 | ev_recommended_backends (void) EV_NOEXCEPT |
1434 | { |
2760 | { |
1435 | unsigned int flags = ev_supported_backends (); |
2761 | unsigned int flags = ev_supported_backends (); |
1436 | |
2762 | |
1437 | #ifndef __NetBSD__ |
2763 | #ifndef __NetBSD__ |
1438 | /* kqueue is borked on everything but netbsd apparently */ |
2764 | /* kqueue is borked on everything but netbsd apparently */ |
… | |
… | |
1442 | #ifdef __APPLE__ |
2768 | #ifdef __APPLE__ |
1443 | /* only select works correctly on that "unix-certified" platform */ |
2769 | /* only select works correctly on that "unix-certified" platform */ |
1444 | flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */ |
2770 | flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */ |
1445 | flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */ |
2771 | flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */ |
1446 | #endif |
2772 | #endif |
|
|
2773 | #ifdef __FreeBSD__ |
|
|
2774 | flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */ |
|
|
2775 | #endif |
1447 | |
2776 | |
1448 | return flags; |
2777 | return flags; |
1449 | } |
2778 | } |
1450 | |
2779 | |
|
|
2780 | ecb_cold |
1451 | unsigned int |
2781 | unsigned int |
1452 | ev_embeddable_backends (void) |
2782 | ev_embeddable_backends (void) EV_NOEXCEPT |
1453 | { |
2783 | { |
1454 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
2784 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
1455 | |
2785 | |
1456 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
2786 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
1457 | /* please fix it and tell me how to detect the fix */ |
2787 | if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ |
1458 | flags &= ~EVBACKEND_EPOLL; |
2788 | flags &= ~EVBACKEND_EPOLL; |
1459 | |
2789 | |
1460 | return flags; |
2790 | return flags; |
1461 | } |
2791 | } |
1462 | |
2792 | |
1463 | unsigned int |
2793 | unsigned int |
1464 | ev_backend (EV_P) |
2794 | ev_backend (EV_P) EV_NOEXCEPT |
1465 | { |
2795 | { |
1466 | return backend; |
2796 | return backend; |
1467 | } |
2797 | } |
1468 | |
2798 | |
1469 | #if EV_MINIMAL < 2 |
2799 | #if EV_FEATURE_API |
1470 | unsigned int |
2800 | unsigned int |
1471 | ev_loop_count (EV_P) |
2801 | ev_iteration (EV_P) EV_NOEXCEPT |
1472 | { |
2802 | { |
1473 | return loop_count; |
2803 | return loop_count; |
1474 | } |
2804 | } |
1475 | |
2805 | |
1476 | unsigned int |
2806 | unsigned int |
1477 | ev_loop_depth (EV_P) |
2807 | ev_depth (EV_P) EV_NOEXCEPT |
1478 | { |
2808 | { |
1479 | return loop_depth; |
2809 | return loop_depth; |
1480 | } |
2810 | } |
1481 | |
2811 | |
1482 | void |
2812 | void |
1483 | ev_set_io_collect_interval (EV_P_ ev_tstamp interval) |
2813 | ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT |
1484 | { |
2814 | { |
1485 | io_blocktime = interval; |
2815 | io_blocktime = interval; |
1486 | } |
2816 | } |
1487 | |
2817 | |
1488 | void |
2818 | void |
1489 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) |
2819 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT |
1490 | { |
2820 | { |
1491 | timeout_blocktime = interval; |
2821 | timeout_blocktime = interval; |
1492 | } |
2822 | } |
1493 | |
2823 | |
1494 | void |
2824 | void |
1495 | ev_set_userdata (EV_P_ void *data) |
2825 | ev_set_userdata (EV_P_ void *data) EV_NOEXCEPT |
1496 | { |
2826 | { |
1497 | userdata = data; |
2827 | userdata = data; |
1498 | } |
2828 | } |
1499 | |
2829 | |
1500 | void * |
2830 | void * |
1501 | ev_userdata (EV_P) |
2831 | ev_userdata (EV_P) EV_NOEXCEPT |
1502 | { |
2832 | { |
1503 | return userdata; |
2833 | return userdata; |
1504 | } |
2834 | } |
1505 | |
2835 | |
|
|
2836 | void |
1506 | void ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) |
2837 | ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_NOEXCEPT |
1507 | { |
2838 | { |
1508 | invoke_cb = invoke_pending_cb; |
2839 | invoke_cb = invoke_pending_cb; |
1509 | } |
2840 | } |
1510 | |
2841 | |
|
|
2842 | void |
1511 | void ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P)) |
2843 | ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_NOEXCEPT, void (*acquire)(EV_P) EV_NOEXCEPT) EV_NOEXCEPT |
1512 | { |
2844 | { |
1513 | release_cb = release; |
2845 | release_cb = release; |
1514 | acquire_cb = acquire; |
2846 | acquire_cb = acquire; |
1515 | } |
2847 | } |
1516 | #endif |
2848 | #endif |
1517 | |
2849 | |
1518 | /* initialise a loop structure, must be zero-initialised */ |
2850 | /* initialise a loop structure, must be zero-initialised */ |
1519 | static void noinline |
2851 | noinline ecb_cold |
|
|
2852 | static void |
1520 | loop_init (EV_P_ unsigned int flags) |
2853 | loop_init (EV_P_ unsigned int flags) EV_NOEXCEPT |
1521 | { |
2854 | { |
1522 | if (!backend) |
2855 | if (!backend) |
1523 | { |
2856 | { |
|
|
2857 | origflags = flags; |
|
|
2858 | |
1524 | #if EV_USE_REALTIME |
2859 | #if EV_USE_REALTIME |
1525 | if (!have_realtime) |
2860 | if (!have_realtime) |
1526 | { |
2861 | { |
1527 | struct timespec ts; |
2862 | struct timespec ts; |
1528 | |
2863 | |
… | |
… | |
1550 | if (!(flags & EVFLAG_NOENV) |
2885 | if (!(flags & EVFLAG_NOENV) |
1551 | && !enable_secure () |
2886 | && !enable_secure () |
1552 | && getenv ("LIBEV_FLAGS")) |
2887 | && getenv ("LIBEV_FLAGS")) |
1553 | flags = atoi (getenv ("LIBEV_FLAGS")); |
2888 | flags = atoi (getenv ("LIBEV_FLAGS")); |
1554 | |
2889 | |
1555 | ev_rt_now = ev_time (); |
2890 | ev_rt_now = ev_time (); |
1556 | mn_now = get_clock (); |
2891 | mn_now = get_clock (); |
1557 | now_floor = mn_now; |
2892 | now_floor = mn_now; |
1558 | rtmn_diff = ev_rt_now - mn_now; |
2893 | rtmn_diff = ev_rt_now - mn_now; |
1559 | #if EV_MINIMAL < 2 |
2894 | #if EV_FEATURE_API |
1560 | invoke_cb = ev_invoke_pending; |
2895 | invoke_cb = ev_invoke_pending; |
1561 | #endif |
2896 | #endif |
1562 | |
2897 | |
1563 | io_blocktime = 0.; |
2898 | io_blocktime = 0.; |
1564 | timeout_blocktime = 0.; |
2899 | timeout_blocktime = 0.; |
1565 | backend = 0; |
2900 | backend = 0; |
1566 | backend_fd = -1; |
2901 | backend_fd = -1; |
1567 | sig_pending = 0; |
2902 | sig_pending = 0; |
1568 | #if EV_ASYNC_ENABLE |
2903 | #if EV_ASYNC_ENABLE |
1569 | async_pending = 0; |
2904 | async_pending = 0; |
1570 | #endif |
2905 | #endif |
|
|
2906 | pipe_write_skipped = 0; |
|
|
2907 | pipe_write_wanted = 0; |
|
|
2908 | evpipe [0] = -1; |
|
|
2909 | evpipe [1] = -1; |
1571 | #if EV_USE_INOTIFY |
2910 | #if EV_USE_INOTIFY |
1572 | fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2; |
2911 | fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2; |
1573 | #endif |
2912 | #endif |
1574 | #if EV_USE_SIGNALFD |
2913 | #if EV_USE_SIGNALFD |
1575 | sigfd = flags & EVFLAG_NOSIGFD ? -1 : -2; |
2914 | sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1; |
1576 | #endif |
2915 | #endif |
1577 | |
2916 | |
1578 | if (!(flags & 0x0000ffffU)) |
2917 | if (!(flags & EVBACKEND_MASK)) |
1579 | flags |= ev_recommended_backends (); |
2918 | flags |= ev_recommended_backends (); |
1580 | |
2919 | |
|
|
2920 | #if EV_USE_IOCP |
|
|
2921 | if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags); |
|
|
2922 | #endif |
1581 | #if EV_USE_PORT |
2923 | #if EV_USE_PORT |
1582 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
2924 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
1583 | #endif |
2925 | #endif |
1584 | #if EV_USE_KQUEUE |
2926 | #if EV_USE_KQUEUE |
1585 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
2927 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
… | |
… | |
1594 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
2936 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
1595 | #endif |
2937 | #endif |
1596 | |
2938 | |
1597 | ev_prepare_init (&pending_w, pendingcb); |
2939 | ev_prepare_init (&pending_w, pendingcb); |
1598 | |
2940 | |
|
|
2941 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
1599 | ev_init (&pipe_w, pipecb); |
2942 | ev_init (&pipe_w, pipecb); |
1600 | ev_set_priority (&pipe_w, EV_MAXPRI); |
2943 | ev_set_priority (&pipe_w, EV_MAXPRI); |
|
|
2944 | #endif |
1601 | } |
2945 | } |
1602 | } |
2946 | } |
1603 | |
2947 | |
1604 | /* free up a loop structure */ |
2948 | /* free up a loop structure */ |
1605 | static void noinline |
2949 | ecb_cold |
|
|
2950 | void |
1606 | loop_destroy (EV_P) |
2951 | ev_loop_destroy (EV_P) |
1607 | { |
2952 | { |
1608 | int i; |
2953 | int i; |
|
|
2954 | |
|
|
2955 | #if EV_MULTIPLICITY |
|
|
2956 | /* mimic free (0) */ |
|
|
2957 | if (!EV_A) |
|
|
2958 | return; |
|
|
2959 | #endif |
|
|
2960 | |
|
|
2961 | #if EV_CLEANUP_ENABLE |
|
|
2962 | /* queue cleanup watchers (and execute them) */ |
|
|
2963 | if (expect_false (cleanupcnt)) |
|
|
2964 | { |
|
|
2965 | queue_events (EV_A_ (W *)cleanups, cleanupcnt, EV_CLEANUP); |
|
|
2966 | EV_INVOKE_PENDING; |
|
|
2967 | } |
|
|
2968 | #endif |
|
|
2969 | |
|
|
2970 | #if EV_CHILD_ENABLE |
|
|
2971 | if (ev_is_default_loop (EV_A) && ev_is_active (&childev)) |
|
|
2972 | { |
|
|
2973 | ev_ref (EV_A); /* child watcher */ |
|
|
2974 | ev_signal_stop (EV_A_ &childev); |
|
|
2975 | } |
|
|
2976 | #endif |
1609 | |
2977 | |
1610 | if (ev_is_active (&pipe_w)) |
2978 | if (ev_is_active (&pipe_w)) |
1611 | { |
2979 | { |
1612 | /*ev_ref (EV_A);*/ |
2980 | /*ev_ref (EV_A);*/ |
1613 | /*ev_io_stop (EV_A_ &pipe_w);*/ |
2981 | /*ev_io_stop (EV_A_ &pipe_w);*/ |
1614 | |
2982 | |
1615 | #if EV_USE_EVENTFD |
2983 | if (evpipe [0] >= 0) EV_WIN32_CLOSE_FD (evpipe [0]); |
1616 | if (evfd >= 0) |
2984 | if (evpipe [1] >= 0) EV_WIN32_CLOSE_FD (evpipe [1]); |
1617 | close (evfd); |
|
|
1618 | #endif |
|
|
1619 | |
|
|
1620 | if (evpipe [0] >= 0) |
|
|
1621 | { |
|
|
1622 | close (evpipe [0]); |
|
|
1623 | close (evpipe [1]); |
|
|
1624 | } |
|
|
1625 | } |
2985 | } |
1626 | |
2986 | |
1627 | #if EV_USE_SIGNALFD |
2987 | #if EV_USE_SIGNALFD |
1628 | if (ev_is_active (&sigfd_w)) |
2988 | if (ev_is_active (&sigfd_w)) |
1629 | { |
|
|
1630 | /*ev_ref (EV_A);*/ |
|
|
1631 | /*ev_io_stop (EV_A_ &sigfd_w);*/ |
|
|
1632 | |
|
|
1633 | close (sigfd); |
2989 | close (sigfd); |
1634 | } |
|
|
1635 | #endif |
2990 | #endif |
1636 | |
2991 | |
1637 | #if EV_USE_INOTIFY |
2992 | #if EV_USE_INOTIFY |
1638 | if (fs_fd >= 0) |
2993 | if (fs_fd >= 0) |
1639 | close (fs_fd); |
2994 | close (fs_fd); |
1640 | #endif |
2995 | #endif |
1641 | |
2996 | |
1642 | if (backend_fd >= 0) |
2997 | if (backend_fd >= 0) |
1643 | close (backend_fd); |
2998 | close (backend_fd); |
1644 | |
2999 | |
|
|
3000 | #if EV_USE_IOCP |
|
|
3001 | if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A); |
|
|
3002 | #endif |
1645 | #if EV_USE_PORT |
3003 | #if EV_USE_PORT |
1646 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
3004 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
1647 | #endif |
3005 | #endif |
1648 | #if EV_USE_KQUEUE |
3006 | #if EV_USE_KQUEUE |
1649 | if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); |
3007 | if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); |
… | |
… | |
1676 | array_free (periodic, EMPTY); |
3034 | array_free (periodic, EMPTY); |
1677 | #endif |
3035 | #endif |
1678 | #if EV_FORK_ENABLE |
3036 | #if EV_FORK_ENABLE |
1679 | array_free (fork, EMPTY); |
3037 | array_free (fork, EMPTY); |
1680 | #endif |
3038 | #endif |
|
|
3039 | #if EV_CLEANUP_ENABLE |
|
|
3040 | array_free (cleanup, EMPTY); |
|
|
3041 | #endif |
1681 | array_free (prepare, EMPTY); |
3042 | array_free (prepare, EMPTY); |
1682 | array_free (check, EMPTY); |
3043 | array_free (check, EMPTY); |
1683 | #if EV_ASYNC_ENABLE |
3044 | #if EV_ASYNC_ENABLE |
1684 | array_free (async, EMPTY); |
3045 | array_free (async, EMPTY); |
1685 | #endif |
3046 | #endif |
1686 | |
3047 | |
1687 | backend = 0; |
3048 | backend = 0; |
|
|
3049 | |
|
|
3050 | #if EV_MULTIPLICITY |
|
|
3051 | if (ev_is_default_loop (EV_A)) |
|
|
3052 | #endif |
|
|
3053 | ev_default_loop_ptr = 0; |
|
|
3054 | #if EV_MULTIPLICITY |
|
|
3055 | else |
|
|
3056 | ev_free (EV_A); |
|
|
3057 | #endif |
1688 | } |
3058 | } |
1689 | |
3059 | |
1690 | #if EV_USE_INOTIFY |
3060 | #if EV_USE_INOTIFY |
1691 | inline_size void infy_fork (EV_P); |
3061 | inline_size void infy_fork (EV_P); |
1692 | #endif |
3062 | #endif |
… | |
… | |
1705 | #endif |
3075 | #endif |
1706 | #if EV_USE_INOTIFY |
3076 | #if EV_USE_INOTIFY |
1707 | infy_fork (EV_A); |
3077 | infy_fork (EV_A); |
1708 | #endif |
3078 | #endif |
1709 | |
3079 | |
|
|
3080 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
1710 | if (ev_is_active (&pipe_w)) |
3081 | if (ev_is_active (&pipe_w) && postfork != 2) |
1711 | { |
3082 | { |
1712 | /* this "locks" the handlers against writing to the pipe */ |
3083 | /* pipe_write_wanted must be false now, so modifying fd vars should be safe */ |
1713 | /* while we modify the fd vars */ |
|
|
1714 | sig_pending = 1; |
|
|
1715 | #if EV_ASYNC_ENABLE |
|
|
1716 | async_pending = 1; |
|
|
1717 | #endif |
|
|
1718 | |
3084 | |
1719 | ev_ref (EV_A); |
3085 | ev_ref (EV_A); |
1720 | ev_io_stop (EV_A_ &pipe_w); |
3086 | ev_io_stop (EV_A_ &pipe_w); |
1721 | |
3087 | |
1722 | #if EV_USE_EVENTFD |
|
|
1723 | if (evfd >= 0) |
|
|
1724 | close (evfd); |
|
|
1725 | #endif |
|
|
1726 | |
|
|
1727 | if (evpipe [0] >= 0) |
3088 | if (evpipe [0] >= 0) |
1728 | { |
3089 | EV_WIN32_CLOSE_FD (evpipe [0]); |
1729 | close (evpipe [0]); |
|
|
1730 | close (evpipe [1]); |
|
|
1731 | } |
|
|
1732 | |
3090 | |
1733 | evpipe_init (EV_A); |
3091 | evpipe_init (EV_A); |
1734 | /* now iterate over everything, in case we missed something */ |
3092 | /* iterate over everything, in case we missed something before */ |
1735 | pipecb (EV_A_ &pipe_w, EV_READ); |
3093 | ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM); |
1736 | } |
3094 | } |
|
|
3095 | #endif |
1737 | |
3096 | |
1738 | postfork = 0; |
3097 | postfork = 0; |
1739 | } |
3098 | } |
1740 | |
3099 | |
1741 | #if EV_MULTIPLICITY |
3100 | #if EV_MULTIPLICITY |
1742 | |
3101 | |
|
|
3102 | ecb_cold |
1743 | struct ev_loop * |
3103 | struct ev_loop * |
1744 | ev_loop_new (unsigned int flags) |
3104 | ev_loop_new (unsigned int flags) EV_NOEXCEPT |
1745 | { |
3105 | { |
1746 | EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
3106 | EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
1747 | |
3107 | |
1748 | memset (EV_A, 0, sizeof (struct ev_loop)); |
3108 | memset (EV_A, 0, sizeof (struct ev_loop)); |
1749 | loop_init (EV_A_ flags); |
3109 | loop_init (EV_A_ flags); |
1750 | |
3110 | |
1751 | if (ev_backend (EV_A)) |
3111 | if (ev_backend (EV_A)) |
1752 | return EV_A; |
3112 | return EV_A; |
1753 | |
3113 | |
|
|
3114 | ev_free (EV_A); |
1754 | return 0; |
3115 | return 0; |
1755 | } |
3116 | } |
1756 | |
3117 | |
1757 | void |
|
|
1758 | ev_loop_destroy (EV_P) |
|
|
1759 | { |
|
|
1760 | loop_destroy (EV_A); |
|
|
1761 | ev_free (loop); |
|
|
1762 | } |
|
|
1763 | |
|
|
1764 | void |
|
|
1765 | ev_loop_fork (EV_P) |
|
|
1766 | { |
|
|
1767 | postfork = 1; /* must be in line with ev_default_fork */ |
|
|
1768 | } |
|
|
1769 | #endif /* multiplicity */ |
3118 | #endif /* multiplicity */ |
1770 | |
3119 | |
1771 | #if EV_VERIFY |
3120 | #if EV_VERIFY |
1772 | static void noinline |
3121 | noinline ecb_cold |
|
|
3122 | static void |
1773 | verify_watcher (EV_P_ W w) |
3123 | verify_watcher (EV_P_ W w) |
1774 | { |
3124 | { |
1775 | assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
3125 | assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
1776 | |
3126 | |
1777 | if (w->pending) |
3127 | if (w->pending) |
1778 | assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
3128 | assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
1779 | } |
3129 | } |
1780 | |
3130 | |
1781 | static void noinline |
3131 | noinline ecb_cold |
|
|
3132 | static void |
1782 | verify_heap (EV_P_ ANHE *heap, int N) |
3133 | verify_heap (EV_P_ ANHE *heap, int N) |
1783 | { |
3134 | { |
1784 | int i; |
3135 | int i; |
1785 | |
3136 | |
1786 | for (i = HEAP0; i < N + HEAP0; ++i) |
3137 | for (i = HEAP0; i < N + HEAP0; ++i) |
… | |
… | |
1791 | |
3142 | |
1792 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
3143 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
1793 | } |
3144 | } |
1794 | } |
3145 | } |
1795 | |
3146 | |
1796 | static void noinline |
3147 | noinline ecb_cold |
|
|
3148 | static void |
1797 | array_verify (EV_P_ W *ws, int cnt) |
3149 | array_verify (EV_P_ W *ws, int cnt) |
1798 | { |
3150 | { |
1799 | while (cnt--) |
3151 | while (cnt--) |
1800 | { |
3152 | { |
1801 | assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1)); |
3153 | assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1)); |
1802 | verify_watcher (EV_A_ ws [cnt]); |
3154 | verify_watcher (EV_A_ ws [cnt]); |
1803 | } |
3155 | } |
1804 | } |
3156 | } |
1805 | #endif |
3157 | #endif |
1806 | |
3158 | |
1807 | #if EV_MINIMAL < 2 |
3159 | #if EV_FEATURE_API |
1808 | void |
3160 | void ecb_cold |
1809 | ev_loop_verify (EV_P) |
3161 | ev_verify (EV_P) EV_NOEXCEPT |
1810 | { |
3162 | { |
1811 | #if EV_VERIFY |
3163 | #if EV_VERIFY |
1812 | int i; |
3164 | int i; |
1813 | WL w; |
3165 | WL w, w2; |
1814 | |
3166 | |
1815 | assert (activecnt >= -1); |
3167 | assert (activecnt >= -1); |
1816 | |
3168 | |
1817 | assert (fdchangemax >= fdchangecnt); |
3169 | assert (fdchangemax >= fdchangecnt); |
1818 | for (i = 0; i < fdchangecnt; ++i) |
3170 | for (i = 0; i < fdchangecnt; ++i) |
1819 | assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0)); |
3171 | assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0)); |
1820 | |
3172 | |
1821 | assert (anfdmax >= 0); |
3173 | assert (anfdmax >= 0); |
1822 | for (i = 0; i < anfdmax; ++i) |
3174 | for (i = 0; i < anfdmax; ++i) |
|
|
3175 | { |
|
|
3176 | int j = 0; |
|
|
3177 | |
1823 | for (w = anfds [i].head; w; w = w->next) |
3178 | for (w = w2 = anfds [i].head; w; w = w->next) |
1824 | { |
3179 | { |
1825 | verify_watcher (EV_A_ (W)w); |
3180 | verify_watcher (EV_A_ (W)w); |
|
|
3181 | |
|
|
3182 | if (j++ & 1) |
|
|
3183 | { |
|
|
3184 | assert (("libev: io watcher list contains a loop", w != w2)); |
|
|
3185 | w2 = w2->next; |
|
|
3186 | } |
|
|
3187 | |
1826 | assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1)); |
3188 | assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1)); |
1827 | assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i)); |
3189 | assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i)); |
1828 | } |
3190 | } |
|
|
3191 | } |
1829 | |
3192 | |
1830 | assert (timermax >= timercnt); |
3193 | assert (timermax >= timercnt); |
1831 | verify_heap (EV_A_ timers, timercnt); |
3194 | verify_heap (EV_A_ timers, timercnt); |
1832 | |
3195 | |
1833 | #if EV_PERIODIC_ENABLE |
3196 | #if EV_PERIODIC_ENABLE |
… | |
… | |
1848 | #if EV_FORK_ENABLE |
3211 | #if EV_FORK_ENABLE |
1849 | assert (forkmax >= forkcnt); |
3212 | assert (forkmax >= forkcnt); |
1850 | array_verify (EV_A_ (W *)forks, forkcnt); |
3213 | array_verify (EV_A_ (W *)forks, forkcnt); |
1851 | #endif |
3214 | #endif |
1852 | |
3215 | |
|
|
3216 | #if EV_CLEANUP_ENABLE |
|
|
3217 | assert (cleanupmax >= cleanupcnt); |
|
|
3218 | array_verify (EV_A_ (W *)cleanups, cleanupcnt); |
|
|
3219 | #endif |
|
|
3220 | |
1853 | #if EV_ASYNC_ENABLE |
3221 | #if EV_ASYNC_ENABLE |
1854 | assert (asyncmax >= asynccnt); |
3222 | assert (asyncmax >= asynccnt); |
1855 | array_verify (EV_A_ (W *)asyncs, asynccnt); |
3223 | array_verify (EV_A_ (W *)asyncs, asynccnt); |
1856 | #endif |
3224 | #endif |
1857 | |
3225 | |
|
|
3226 | #if EV_PREPARE_ENABLE |
1858 | assert (preparemax >= preparecnt); |
3227 | assert (preparemax >= preparecnt); |
1859 | array_verify (EV_A_ (W *)prepares, preparecnt); |
3228 | array_verify (EV_A_ (W *)prepares, preparecnt); |
|
|
3229 | #endif |
1860 | |
3230 | |
|
|
3231 | #if EV_CHECK_ENABLE |
1861 | assert (checkmax >= checkcnt); |
3232 | assert (checkmax >= checkcnt); |
1862 | array_verify (EV_A_ (W *)checks, checkcnt); |
3233 | array_verify (EV_A_ (W *)checks, checkcnt); |
|
|
3234 | #endif |
1863 | |
3235 | |
1864 | # if 0 |
3236 | # if 0 |
|
|
3237 | #if EV_CHILD_ENABLE |
1865 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
3238 | for (w = (ev_child *)childs [chain & ((EV_PID_HASHSIZE) - 1)]; w; w = (ev_child *)((WL)w)->next) |
1866 | for (signum = EV_NSIG; signum--; ) if (signals [signum].pending) |
3239 | for (signum = EV_NSIG; signum--; ) if (signals [signum].pending) |
|
|
3240 | #endif |
1867 | # endif |
3241 | # endif |
1868 | #endif |
3242 | #endif |
1869 | } |
3243 | } |
1870 | #endif |
3244 | #endif |
1871 | |
3245 | |
1872 | #if EV_MULTIPLICITY |
3246 | #if EV_MULTIPLICITY |
|
|
3247 | ecb_cold |
1873 | struct ev_loop * |
3248 | struct ev_loop * |
1874 | ev_default_loop_init (unsigned int flags) |
|
|
1875 | #else |
3249 | #else |
1876 | int |
3250 | int |
|
|
3251 | #endif |
1877 | ev_default_loop (unsigned int flags) |
3252 | ev_default_loop (unsigned int flags) EV_NOEXCEPT |
1878 | #endif |
|
|
1879 | { |
3253 | { |
1880 | if (!ev_default_loop_ptr) |
3254 | if (!ev_default_loop_ptr) |
1881 | { |
3255 | { |
1882 | #if EV_MULTIPLICITY |
3256 | #if EV_MULTIPLICITY |
1883 | EV_P = ev_default_loop_ptr = &default_loop_struct; |
3257 | EV_P = ev_default_loop_ptr = &default_loop_struct; |
… | |
… | |
1887 | |
3261 | |
1888 | loop_init (EV_A_ flags); |
3262 | loop_init (EV_A_ flags); |
1889 | |
3263 | |
1890 | if (ev_backend (EV_A)) |
3264 | if (ev_backend (EV_A)) |
1891 | { |
3265 | { |
1892 | #ifndef _WIN32 |
3266 | #if EV_CHILD_ENABLE |
1893 | ev_signal_init (&childev, childcb, SIGCHLD); |
3267 | ev_signal_init (&childev, childcb, SIGCHLD); |
1894 | ev_set_priority (&childev, EV_MAXPRI); |
3268 | ev_set_priority (&childev, EV_MAXPRI); |
1895 | ev_signal_start (EV_A_ &childev); |
3269 | ev_signal_start (EV_A_ &childev); |
1896 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
3270 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
1897 | #endif |
3271 | #endif |
… | |
… | |
1902 | |
3276 | |
1903 | return ev_default_loop_ptr; |
3277 | return ev_default_loop_ptr; |
1904 | } |
3278 | } |
1905 | |
3279 | |
1906 | void |
3280 | void |
1907 | ev_default_destroy (void) |
3281 | ev_loop_fork (EV_P) EV_NOEXCEPT |
1908 | { |
3282 | { |
1909 | #if EV_MULTIPLICITY |
3283 | postfork = 1; |
1910 | EV_P = ev_default_loop_ptr; |
|
|
1911 | #endif |
|
|
1912 | |
|
|
1913 | ev_default_loop_ptr = 0; |
|
|
1914 | |
|
|
1915 | #ifndef _WIN32 |
|
|
1916 | ev_ref (EV_A); /* child watcher */ |
|
|
1917 | ev_signal_stop (EV_A_ &childev); |
|
|
1918 | #endif |
|
|
1919 | |
|
|
1920 | loop_destroy (EV_A); |
|
|
1921 | } |
|
|
1922 | |
|
|
1923 | void |
|
|
1924 | ev_default_fork (void) |
|
|
1925 | { |
|
|
1926 | #if EV_MULTIPLICITY |
|
|
1927 | EV_P = ev_default_loop_ptr; |
|
|
1928 | #endif |
|
|
1929 | |
|
|
1930 | postfork = 1; /* must be in line with ev_loop_fork */ |
|
|
1931 | } |
3284 | } |
1932 | |
3285 | |
1933 | /*****************************************************************************/ |
3286 | /*****************************************************************************/ |
1934 | |
3287 | |
1935 | void |
3288 | void |
… | |
… | |
1937 | { |
3290 | { |
1938 | EV_CB_INVOKE ((W)w, revents); |
3291 | EV_CB_INVOKE ((W)w, revents); |
1939 | } |
3292 | } |
1940 | |
3293 | |
1941 | unsigned int |
3294 | unsigned int |
1942 | ev_pending_count (EV_P) |
3295 | ev_pending_count (EV_P) EV_NOEXCEPT |
1943 | { |
3296 | { |
1944 | int pri; |
3297 | int pri; |
1945 | unsigned int count = 0; |
3298 | unsigned int count = 0; |
1946 | |
3299 | |
1947 | for (pri = NUMPRI; pri--; ) |
3300 | for (pri = NUMPRI; pri--; ) |
1948 | count += pendingcnt [pri]; |
3301 | count += pendingcnt [pri]; |
1949 | |
3302 | |
1950 | return count; |
3303 | return count; |
1951 | } |
3304 | } |
1952 | |
3305 | |
1953 | void noinline |
3306 | noinline |
|
|
3307 | void |
1954 | ev_invoke_pending (EV_P) |
3308 | ev_invoke_pending (EV_P) |
1955 | { |
3309 | { |
1956 | int pri; |
3310 | pendingpri = NUMPRI; |
1957 | |
3311 | |
1958 | for (pri = NUMPRI; pri--; ) |
3312 | do |
|
|
3313 | { |
|
|
3314 | --pendingpri; |
|
|
3315 | |
|
|
3316 | /* pendingpri possibly gets modified in the inner loop */ |
1959 | while (pendingcnt [pri]) |
3317 | while (pendingcnt [pendingpri]) |
1960 | { |
3318 | { |
1961 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
3319 | ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri]; |
1962 | |
3320 | |
1963 | /*assert (("libev: non-pending watcher on pending list", p->w->pending));*/ |
|
|
1964 | /* ^ this is no longer true, as pending_w could be here */ |
|
|
1965 | |
|
|
1966 | p->w->pending = 0; |
3321 | p->w->pending = 0; |
1967 | EV_CB_INVOKE (p->w, p->events); |
3322 | EV_CB_INVOKE (p->w, p->events); |
1968 | EV_FREQUENT_CHECK; |
3323 | EV_FREQUENT_CHECK; |
1969 | } |
3324 | } |
|
|
3325 | } |
|
|
3326 | while (pendingpri); |
1970 | } |
3327 | } |
1971 | |
3328 | |
1972 | #if EV_IDLE_ENABLE |
3329 | #if EV_IDLE_ENABLE |
1973 | /* make idle watchers pending. this handles the "call-idle */ |
3330 | /* make idle watchers pending. this handles the "call-idle */ |
1974 | /* only when higher priorities are idle" logic */ |
3331 | /* only when higher priorities are idle" logic */ |
… | |
… | |
2026 | EV_FREQUENT_CHECK; |
3383 | EV_FREQUENT_CHECK; |
2027 | feed_reverse (EV_A_ (W)w); |
3384 | feed_reverse (EV_A_ (W)w); |
2028 | } |
3385 | } |
2029 | while (timercnt && ANHE_at (timers [HEAP0]) < mn_now); |
3386 | while (timercnt && ANHE_at (timers [HEAP0]) < mn_now); |
2030 | |
3387 | |
2031 | feed_reverse_done (EV_A_ EV_TIMEOUT); |
3388 | feed_reverse_done (EV_A_ EV_TIMER); |
2032 | } |
3389 | } |
2033 | } |
3390 | } |
2034 | |
3391 | |
2035 | #if EV_PERIODIC_ENABLE |
3392 | #if EV_PERIODIC_ENABLE |
|
|
3393 | |
|
|
3394 | noinline |
|
|
3395 | static void |
|
|
3396 | periodic_recalc (EV_P_ ev_periodic *w) |
|
|
3397 | { |
|
|
3398 | ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL; |
|
|
3399 | ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval); |
|
|
3400 | |
|
|
3401 | /* the above almost always errs on the low side */ |
|
|
3402 | while (at <= ev_rt_now) |
|
|
3403 | { |
|
|
3404 | ev_tstamp nat = at + w->interval; |
|
|
3405 | |
|
|
3406 | /* when resolution fails us, we use ev_rt_now */ |
|
|
3407 | if (expect_false (nat == at)) |
|
|
3408 | { |
|
|
3409 | at = ev_rt_now; |
|
|
3410 | break; |
|
|
3411 | } |
|
|
3412 | |
|
|
3413 | at = nat; |
|
|
3414 | } |
|
|
3415 | |
|
|
3416 | ev_at (w) = at; |
|
|
3417 | } |
|
|
3418 | |
2036 | /* make periodics pending */ |
3419 | /* make periodics pending */ |
2037 | inline_size void |
3420 | inline_size void |
2038 | periodics_reify (EV_P) |
3421 | periodics_reify (EV_P) |
2039 | { |
3422 | { |
2040 | EV_FREQUENT_CHECK; |
3423 | EV_FREQUENT_CHECK; |
2041 | |
3424 | |
2042 | while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now) |
3425 | while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now) |
2043 | { |
3426 | { |
2044 | int feed_count = 0; |
|
|
2045 | |
|
|
2046 | do |
3427 | do |
2047 | { |
3428 | { |
2048 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]); |
3429 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]); |
2049 | |
3430 | |
2050 | /*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/ |
3431 | /*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/ |
… | |
… | |
2059 | ANHE_at_cache (periodics [HEAP0]); |
3440 | ANHE_at_cache (periodics [HEAP0]); |
2060 | downheap (periodics, periodiccnt, HEAP0); |
3441 | downheap (periodics, periodiccnt, HEAP0); |
2061 | } |
3442 | } |
2062 | else if (w->interval) |
3443 | else if (w->interval) |
2063 | { |
3444 | { |
2064 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
3445 | periodic_recalc (EV_A_ w); |
2065 | /* if next trigger time is not sufficiently in the future, put it there */ |
|
|
2066 | /* this might happen because of floating point inexactness */ |
|
|
2067 | if (ev_at (w) - ev_rt_now < TIME_EPSILON) |
|
|
2068 | { |
|
|
2069 | ev_at (w) += w->interval; |
|
|
2070 | |
|
|
2071 | /* if interval is unreasonably low we might still have a time in the past */ |
|
|
2072 | /* so correct this. this will make the periodic very inexact, but the user */ |
|
|
2073 | /* has effectively asked to get triggered more often than possible */ |
|
|
2074 | if (ev_at (w) < ev_rt_now) |
|
|
2075 | ev_at (w) = ev_rt_now; |
|
|
2076 | } |
|
|
2077 | |
|
|
2078 | ANHE_at_cache (periodics [HEAP0]); |
3446 | ANHE_at_cache (periodics [HEAP0]); |
2079 | downheap (periodics, periodiccnt, HEAP0); |
3447 | downheap (periodics, periodiccnt, HEAP0); |
2080 | } |
3448 | } |
2081 | else |
3449 | else |
2082 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
3450 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
… | |
… | |
2089 | feed_reverse_done (EV_A_ EV_PERIODIC); |
3457 | feed_reverse_done (EV_A_ EV_PERIODIC); |
2090 | } |
3458 | } |
2091 | } |
3459 | } |
2092 | |
3460 | |
2093 | /* simply recalculate all periodics */ |
3461 | /* simply recalculate all periodics */ |
2094 | /* TODO: maybe ensure that at leats one event happens when jumping forward? */ |
3462 | /* TODO: maybe ensure that at least one event happens when jumping forward? */ |
2095 | static void noinline |
3463 | noinline ecb_cold |
|
|
3464 | static void |
2096 | periodics_reschedule (EV_P) |
3465 | periodics_reschedule (EV_P) |
2097 | { |
3466 | { |
2098 | int i; |
3467 | int i; |
2099 | |
3468 | |
2100 | /* adjust periodics after time jump */ |
3469 | /* adjust periodics after time jump */ |
… | |
… | |
2103 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [i]); |
3472 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [i]); |
2104 | |
3473 | |
2105 | if (w->reschedule_cb) |
3474 | if (w->reschedule_cb) |
2106 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
3475 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
2107 | else if (w->interval) |
3476 | else if (w->interval) |
2108 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
3477 | periodic_recalc (EV_A_ w); |
2109 | |
3478 | |
2110 | ANHE_at_cache (periodics [i]); |
3479 | ANHE_at_cache (periodics [i]); |
2111 | } |
3480 | } |
2112 | |
3481 | |
2113 | reheap (periodics, periodiccnt); |
3482 | reheap (periodics, periodiccnt); |
2114 | } |
3483 | } |
2115 | #endif |
3484 | #endif |
2116 | |
3485 | |
2117 | /* adjust all timers by a given offset */ |
3486 | /* adjust all timers by a given offset */ |
2118 | static void noinline |
3487 | noinline ecb_cold |
|
|
3488 | static void |
2119 | timers_reschedule (EV_P_ ev_tstamp adjust) |
3489 | timers_reschedule (EV_P_ ev_tstamp adjust) |
2120 | { |
3490 | { |
2121 | int i; |
3491 | int i; |
2122 | |
3492 | |
2123 | for (i = 0; i < timercnt; ++i) |
3493 | for (i = 0; i < timercnt; ++i) |
… | |
… | |
2127 | ANHE_at_cache (*he); |
3497 | ANHE_at_cache (*he); |
2128 | } |
3498 | } |
2129 | } |
3499 | } |
2130 | |
3500 | |
2131 | /* fetch new monotonic and realtime times from the kernel */ |
3501 | /* fetch new monotonic and realtime times from the kernel */ |
2132 | /* also detetc if there was a timejump, and act accordingly */ |
3502 | /* also detect if there was a timejump, and act accordingly */ |
2133 | inline_speed void |
3503 | inline_speed void |
2134 | time_update (EV_P_ ev_tstamp max_block) |
3504 | time_update (EV_P_ ev_tstamp max_block) |
2135 | { |
3505 | { |
2136 | #if EV_USE_MONOTONIC |
3506 | #if EV_USE_MONOTONIC |
2137 | if (expect_true (have_monotonic)) |
3507 | if (expect_true (have_monotonic)) |
… | |
… | |
2160 | * doesn't hurt either as we only do this on time-jumps or |
3530 | * doesn't hurt either as we only do this on time-jumps or |
2161 | * in the unlikely event of having been preempted here. |
3531 | * in the unlikely event of having been preempted here. |
2162 | */ |
3532 | */ |
2163 | for (i = 4; --i; ) |
3533 | for (i = 4; --i; ) |
2164 | { |
3534 | { |
|
|
3535 | ev_tstamp diff; |
2165 | rtmn_diff = ev_rt_now - mn_now; |
3536 | rtmn_diff = ev_rt_now - mn_now; |
2166 | |
3537 | |
|
|
3538 | diff = odiff - rtmn_diff; |
|
|
3539 | |
2167 | if (expect_true (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)) |
3540 | if (expect_true ((diff < 0. ? -diff : diff) < MIN_TIMEJUMP)) |
2168 | return; /* all is well */ |
3541 | return; /* all is well */ |
2169 | |
3542 | |
2170 | ev_rt_now = ev_time (); |
3543 | ev_rt_now = ev_time (); |
2171 | mn_now = get_clock (); |
3544 | mn_now = get_clock (); |
2172 | now_floor = mn_now; |
3545 | now_floor = mn_now; |
… | |
… | |
2194 | |
3567 | |
2195 | mn_now = ev_rt_now; |
3568 | mn_now = ev_rt_now; |
2196 | } |
3569 | } |
2197 | } |
3570 | } |
2198 | |
3571 | |
2199 | void |
3572 | int |
2200 | ev_loop (EV_P_ int flags) |
3573 | ev_run (EV_P_ int flags) |
2201 | { |
3574 | { |
2202 | #if EV_MINIMAL < 2 |
3575 | #if EV_FEATURE_API |
2203 | ++loop_depth; |
3576 | ++loop_depth; |
2204 | #endif |
3577 | #endif |
2205 | |
3578 | |
2206 | assert (("libev: ev_loop recursion during release detected", loop_done != EVUNLOOP_RECURSE)); |
3579 | assert (("libev: ev_loop recursion during release detected", loop_done != EVBREAK_RECURSE)); |
2207 | |
3580 | |
2208 | loop_done = EVUNLOOP_CANCEL; |
3581 | loop_done = EVBREAK_CANCEL; |
2209 | |
3582 | |
2210 | EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */ |
3583 | EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */ |
2211 | |
3584 | |
2212 | do |
3585 | do |
2213 | { |
3586 | { |
2214 | #if EV_VERIFY >= 2 |
3587 | #if EV_VERIFY >= 2 |
2215 | ev_loop_verify (EV_A); |
3588 | ev_verify (EV_A); |
2216 | #endif |
3589 | #endif |
2217 | |
3590 | |
2218 | #ifndef _WIN32 |
3591 | #ifndef _WIN32 |
2219 | if (expect_false (curpid)) /* penalise the forking check even more */ |
3592 | if (expect_false (curpid)) /* penalise the forking check even more */ |
2220 | if (expect_false (getpid () != curpid)) |
3593 | if (expect_false (getpid () != curpid)) |
… | |
… | |
2232 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
3605 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
2233 | EV_INVOKE_PENDING; |
3606 | EV_INVOKE_PENDING; |
2234 | } |
3607 | } |
2235 | #endif |
3608 | #endif |
2236 | |
3609 | |
|
|
3610 | #if EV_PREPARE_ENABLE |
2237 | /* queue prepare watchers (and execute them) */ |
3611 | /* queue prepare watchers (and execute them) */ |
2238 | if (expect_false (preparecnt)) |
3612 | if (expect_false (preparecnt)) |
2239 | { |
3613 | { |
2240 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
3614 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
2241 | EV_INVOKE_PENDING; |
3615 | EV_INVOKE_PENDING; |
2242 | } |
3616 | } |
|
|
3617 | #endif |
2243 | |
3618 | |
2244 | if (expect_false (loop_done)) |
3619 | if (expect_false (loop_done)) |
2245 | break; |
3620 | break; |
2246 | |
3621 | |
2247 | /* we might have forked, so reify kernel state if necessary */ |
3622 | /* we might have forked, so reify kernel state if necessary */ |
… | |
… | |
2254 | /* calculate blocking time */ |
3629 | /* calculate blocking time */ |
2255 | { |
3630 | { |
2256 | ev_tstamp waittime = 0.; |
3631 | ev_tstamp waittime = 0.; |
2257 | ev_tstamp sleeptime = 0.; |
3632 | ev_tstamp sleeptime = 0.; |
2258 | |
3633 | |
|
|
3634 | /* remember old timestamp for io_blocktime calculation */ |
|
|
3635 | ev_tstamp prev_mn_now = mn_now; |
|
|
3636 | |
|
|
3637 | /* update time to cancel out callback processing overhead */ |
|
|
3638 | time_update (EV_A_ 1e100); |
|
|
3639 | |
|
|
3640 | /* from now on, we want a pipe-wake-up */ |
|
|
3641 | pipe_write_wanted = 1; |
|
|
3642 | |
|
|
3643 | ECB_MEMORY_FENCE; /* make sure pipe_write_wanted is visible before we check for potential skips */ |
|
|
3644 | |
2259 | if (expect_true (!(flags & EVLOOP_NONBLOCK || idleall || !activecnt))) |
3645 | if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped))) |
2260 | { |
3646 | { |
2261 | /* remember old timestamp for io_blocktime calculation */ |
|
|
2262 | ev_tstamp prev_mn_now = mn_now; |
|
|
2263 | |
|
|
2264 | /* update time to cancel out callback processing overhead */ |
|
|
2265 | time_update (EV_A_ 1e100); |
|
|
2266 | |
|
|
2267 | waittime = MAX_BLOCKTIME; |
3647 | waittime = MAX_BLOCKTIME; |
2268 | |
3648 | |
2269 | if (timercnt) |
3649 | if (timercnt) |
2270 | { |
3650 | { |
2271 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge; |
3651 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now; |
2272 | if (waittime > to) waittime = to; |
3652 | if (waittime > to) waittime = to; |
2273 | } |
3653 | } |
2274 | |
3654 | |
2275 | #if EV_PERIODIC_ENABLE |
3655 | #if EV_PERIODIC_ENABLE |
2276 | if (periodiccnt) |
3656 | if (periodiccnt) |
2277 | { |
3657 | { |
2278 | ev_tstamp to = ANHE_at (periodics [HEAP0]) - ev_rt_now + backend_fudge; |
3658 | ev_tstamp to = ANHE_at (periodics [HEAP0]) - ev_rt_now; |
2279 | if (waittime > to) waittime = to; |
3659 | if (waittime > to) waittime = to; |
2280 | } |
3660 | } |
2281 | #endif |
3661 | #endif |
2282 | |
3662 | |
2283 | /* don't let timeouts decrease the waittime below timeout_blocktime */ |
3663 | /* don't let timeouts decrease the waittime below timeout_blocktime */ |
2284 | if (expect_false (waittime < timeout_blocktime)) |
3664 | if (expect_false (waittime < timeout_blocktime)) |
2285 | waittime = timeout_blocktime; |
3665 | waittime = timeout_blocktime; |
|
|
3666 | |
|
|
3667 | /* at this point, we NEED to wait, so we have to ensure */ |
|
|
3668 | /* to pass a minimum nonzero value to the backend */ |
|
|
3669 | if (expect_false (waittime < backend_mintime)) |
|
|
3670 | waittime = backend_mintime; |
2286 | |
3671 | |
2287 | /* extra check because io_blocktime is commonly 0 */ |
3672 | /* extra check because io_blocktime is commonly 0 */ |
2288 | if (expect_false (io_blocktime)) |
3673 | if (expect_false (io_blocktime)) |
2289 | { |
3674 | { |
2290 | sleeptime = io_blocktime - (mn_now - prev_mn_now); |
3675 | sleeptime = io_blocktime - (mn_now - prev_mn_now); |
2291 | |
3676 | |
2292 | if (sleeptime > waittime - backend_fudge) |
3677 | if (sleeptime > waittime - backend_mintime) |
2293 | sleeptime = waittime - backend_fudge; |
3678 | sleeptime = waittime - backend_mintime; |
2294 | |
3679 | |
2295 | if (expect_true (sleeptime > 0.)) |
3680 | if (expect_true (sleeptime > 0.)) |
2296 | { |
3681 | { |
2297 | ev_sleep (sleeptime); |
3682 | ev_sleep (sleeptime); |
2298 | waittime -= sleeptime; |
3683 | waittime -= sleeptime; |
2299 | } |
3684 | } |
2300 | } |
3685 | } |
2301 | } |
3686 | } |
2302 | |
3687 | |
2303 | #if EV_MINIMAL < 2 |
3688 | #if EV_FEATURE_API |
2304 | ++loop_count; |
3689 | ++loop_count; |
2305 | #endif |
3690 | #endif |
2306 | assert ((loop_done = EVUNLOOP_RECURSE, 1)); /* assert for side effect */ |
3691 | assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */ |
2307 | backend_poll (EV_A_ waittime); |
3692 | backend_poll (EV_A_ waittime); |
2308 | assert ((loop_done = EVUNLOOP_CANCEL, 1)); /* assert for side effect */ |
3693 | assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */ |
|
|
3694 | |
|
|
3695 | pipe_write_wanted = 0; /* just an optimisation, no fence needed */ |
|
|
3696 | |
|
|
3697 | ECB_MEMORY_FENCE_ACQUIRE; |
|
|
3698 | if (pipe_write_skipped) |
|
|
3699 | { |
|
|
3700 | assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w))); |
|
|
3701 | ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM); |
|
|
3702 | } |
|
|
3703 | |
2309 | |
3704 | |
2310 | /* update ev_rt_now, do magic */ |
3705 | /* update ev_rt_now, do magic */ |
2311 | time_update (EV_A_ waittime + sleeptime); |
3706 | time_update (EV_A_ waittime + sleeptime); |
2312 | } |
3707 | } |
2313 | |
3708 | |
… | |
… | |
2320 | #if EV_IDLE_ENABLE |
3715 | #if EV_IDLE_ENABLE |
2321 | /* queue idle watchers unless other events are pending */ |
3716 | /* queue idle watchers unless other events are pending */ |
2322 | idle_reify (EV_A); |
3717 | idle_reify (EV_A); |
2323 | #endif |
3718 | #endif |
2324 | |
3719 | |
|
|
3720 | #if EV_CHECK_ENABLE |
2325 | /* queue check watchers, to be executed first */ |
3721 | /* queue check watchers, to be executed first */ |
2326 | if (expect_false (checkcnt)) |
3722 | if (expect_false (checkcnt)) |
2327 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
3723 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
|
|
3724 | #endif |
2328 | |
3725 | |
2329 | EV_INVOKE_PENDING; |
3726 | EV_INVOKE_PENDING; |
2330 | } |
3727 | } |
2331 | while (expect_true ( |
3728 | while (expect_true ( |
2332 | activecnt |
3729 | activecnt |
2333 | && !loop_done |
3730 | && !loop_done |
2334 | && !(flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK)) |
3731 | && !(flags & (EVRUN_ONCE | EVRUN_NOWAIT)) |
2335 | )); |
3732 | )); |
2336 | |
3733 | |
2337 | if (loop_done == EVUNLOOP_ONE) |
3734 | if (loop_done == EVBREAK_ONE) |
2338 | loop_done = EVUNLOOP_CANCEL; |
3735 | loop_done = EVBREAK_CANCEL; |
2339 | |
3736 | |
2340 | #if EV_MINIMAL < 2 |
3737 | #if EV_FEATURE_API |
2341 | --loop_depth; |
3738 | --loop_depth; |
2342 | #endif |
3739 | #endif |
2343 | } |
|
|
2344 | |
3740 | |
|
|
3741 | return activecnt; |
|
|
3742 | } |
|
|
3743 | |
2345 | void |
3744 | void |
2346 | ev_unloop (EV_P_ int how) |
3745 | ev_break (EV_P_ int how) EV_NOEXCEPT |
2347 | { |
3746 | { |
2348 | loop_done = how; |
3747 | loop_done = how; |
2349 | } |
3748 | } |
2350 | |
3749 | |
2351 | void |
3750 | void |
2352 | ev_ref (EV_P) |
3751 | ev_ref (EV_P) EV_NOEXCEPT |
2353 | { |
3752 | { |
2354 | ++activecnt; |
3753 | ++activecnt; |
2355 | } |
3754 | } |
2356 | |
3755 | |
2357 | void |
3756 | void |
2358 | ev_unref (EV_P) |
3757 | ev_unref (EV_P) EV_NOEXCEPT |
2359 | { |
3758 | { |
2360 | --activecnt; |
3759 | --activecnt; |
2361 | } |
3760 | } |
2362 | |
3761 | |
2363 | void |
3762 | void |
2364 | ev_now_update (EV_P) |
3763 | ev_now_update (EV_P) EV_NOEXCEPT |
2365 | { |
3764 | { |
2366 | time_update (EV_A_ 1e100); |
3765 | time_update (EV_A_ 1e100); |
2367 | } |
3766 | } |
2368 | |
3767 | |
2369 | void |
3768 | void |
2370 | ev_suspend (EV_P) |
3769 | ev_suspend (EV_P) EV_NOEXCEPT |
2371 | { |
3770 | { |
2372 | ev_now_update (EV_A); |
3771 | ev_now_update (EV_A); |
2373 | } |
3772 | } |
2374 | |
3773 | |
2375 | void |
3774 | void |
2376 | ev_resume (EV_P) |
3775 | ev_resume (EV_P) EV_NOEXCEPT |
2377 | { |
3776 | { |
2378 | ev_tstamp mn_prev = mn_now; |
3777 | ev_tstamp mn_prev = mn_now; |
2379 | |
3778 | |
2380 | ev_now_update (EV_A); |
3779 | ev_now_update (EV_A); |
2381 | timers_reschedule (EV_A_ mn_now - mn_prev); |
3780 | timers_reschedule (EV_A_ mn_now - mn_prev); |
… | |
… | |
2420 | w->pending = 0; |
3819 | w->pending = 0; |
2421 | } |
3820 | } |
2422 | } |
3821 | } |
2423 | |
3822 | |
2424 | int |
3823 | int |
2425 | ev_clear_pending (EV_P_ void *w) |
3824 | ev_clear_pending (EV_P_ void *w) EV_NOEXCEPT |
2426 | { |
3825 | { |
2427 | W w_ = (W)w; |
3826 | W w_ = (W)w; |
2428 | int pending = w_->pending; |
3827 | int pending = w_->pending; |
2429 | |
3828 | |
2430 | if (expect_true (pending)) |
3829 | if (expect_true (pending)) |
… | |
… | |
2462 | w->active = 0; |
3861 | w->active = 0; |
2463 | } |
3862 | } |
2464 | |
3863 | |
2465 | /*****************************************************************************/ |
3864 | /*****************************************************************************/ |
2466 | |
3865 | |
2467 | void noinline |
3866 | noinline |
|
|
3867 | void |
2468 | ev_io_start (EV_P_ ev_io *w) |
3868 | ev_io_start (EV_P_ ev_io *w) EV_NOEXCEPT |
2469 | { |
3869 | { |
2470 | int fd = w->fd; |
3870 | int fd = w->fd; |
2471 | |
3871 | |
2472 | if (expect_false (ev_is_active (w))) |
3872 | if (expect_false (ev_is_active (w))) |
2473 | return; |
3873 | return; |
2474 | |
3874 | |
2475 | assert (("libev: ev_io_start called with negative fd", fd >= 0)); |
3875 | assert (("libev: ev_io_start called with negative fd", fd >= 0)); |
2476 | assert (("libev: ev_io start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); |
3876 | assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); |
2477 | |
3877 | |
2478 | EV_FREQUENT_CHECK; |
3878 | EV_FREQUENT_CHECK; |
2479 | |
3879 | |
2480 | ev_start (EV_A_ (W)w, 1); |
3880 | ev_start (EV_A_ (W)w, 1); |
2481 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
3881 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
2482 | wlist_add (&anfds[fd].head, (WL)w); |
3882 | wlist_add (&anfds[fd].head, (WL)w); |
2483 | |
3883 | |
|
|
3884 | /* common bug, apparently */ |
|
|
3885 | assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w)); |
|
|
3886 | |
2484 | fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY); |
3887 | fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY); |
2485 | w->events &= ~EV__IOFDSET; |
3888 | w->events &= ~EV__IOFDSET; |
2486 | |
3889 | |
2487 | EV_FREQUENT_CHECK; |
3890 | EV_FREQUENT_CHECK; |
2488 | } |
3891 | } |
2489 | |
3892 | |
2490 | void noinline |
3893 | noinline |
|
|
3894 | void |
2491 | ev_io_stop (EV_P_ ev_io *w) |
3895 | ev_io_stop (EV_P_ ev_io *w) EV_NOEXCEPT |
2492 | { |
3896 | { |
2493 | clear_pending (EV_A_ (W)w); |
3897 | clear_pending (EV_A_ (W)w); |
2494 | if (expect_false (!ev_is_active (w))) |
3898 | if (expect_false (!ev_is_active (w))) |
2495 | return; |
3899 | return; |
2496 | |
3900 | |
… | |
… | |
2499 | EV_FREQUENT_CHECK; |
3903 | EV_FREQUENT_CHECK; |
2500 | |
3904 | |
2501 | wlist_del (&anfds[w->fd].head, (WL)w); |
3905 | wlist_del (&anfds[w->fd].head, (WL)w); |
2502 | ev_stop (EV_A_ (W)w); |
3906 | ev_stop (EV_A_ (W)w); |
2503 | |
3907 | |
2504 | fd_change (EV_A_ w->fd, 1); |
3908 | fd_change (EV_A_ w->fd, EV_ANFD_REIFY); |
2505 | |
3909 | |
2506 | EV_FREQUENT_CHECK; |
3910 | EV_FREQUENT_CHECK; |
2507 | } |
3911 | } |
2508 | |
3912 | |
2509 | void noinline |
3913 | noinline |
|
|
3914 | void |
2510 | ev_timer_start (EV_P_ ev_timer *w) |
3915 | ev_timer_start (EV_P_ ev_timer *w) EV_NOEXCEPT |
2511 | { |
3916 | { |
2512 | if (expect_false (ev_is_active (w))) |
3917 | if (expect_false (ev_is_active (w))) |
2513 | return; |
3918 | return; |
2514 | |
3919 | |
2515 | ev_at (w) += mn_now; |
3920 | ev_at (w) += mn_now; |
… | |
… | |
2528 | EV_FREQUENT_CHECK; |
3933 | EV_FREQUENT_CHECK; |
2529 | |
3934 | |
2530 | /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
3935 | /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
2531 | } |
3936 | } |
2532 | |
3937 | |
2533 | void noinline |
3938 | noinline |
|
|
3939 | void |
2534 | ev_timer_stop (EV_P_ ev_timer *w) |
3940 | ev_timer_stop (EV_P_ ev_timer *w) EV_NOEXCEPT |
2535 | { |
3941 | { |
2536 | clear_pending (EV_A_ (W)w); |
3942 | clear_pending (EV_A_ (W)w); |
2537 | if (expect_false (!ev_is_active (w))) |
3943 | if (expect_false (!ev_is_active (w))) |
2538 | return; |
3944 | return; |
2539 | |
3945 | |
… | |
… | |
2551 | timers [active] = timers [timercnt + HEAP0]; |
3957 | timers [active] = timers [timercnt + HEAP0]; |
2552 | adjustheap (timers, timercnt, active); |
3958 | adjustheap (timers, timercnt, active); |
2553 | } |
3959 | } |
2554 | } |
3960 | } |
2555 | |
3961 | |
2556 | EV_FREQUENT_CHECK; |
|
|
2557 | |
|
|
2558 | ev_at (w) -= mn_now; |
3962 | ev_at (w) -= mn_now; |
2559 | |
3963 | |
2560 | ev_stop (EV_A_ (W)w); |
3964 | ev_stop (EV_A_ (W)w); |
2561 | } |
|
|
2562 | |
3965 | |
|
|
3966 | EV_FREQUENT_CHECK; |
|
|
3967 | } |
|
|
3968 | |
2563 | void noinline |
3969 | noinline |
|
|
3970 | void |
2564 | ev_timer_again (EV_P_ ev_timer *w) |
3971 | ev_timer_again (EV_P_ ev_timer *w) EV_NOEXCEPT |
2565 | { |
3972 | { |
2566 | EV_FREQUENT_CHECK; |
3973 | EV_FREQUENT_CHECK; |
|
|
3974 | |
|
|
3975 | clear_pending (EV_A_ (W)w); |
2567 | |
3976 | |
2568 | if (ev_is_active (w)) |
3977 | if (ev_is_active (w)) |
2569 | { |
3978 | { |
2570 | if (w->repeat) |
3979 | if (w->repeat) |
2571 | { |
3980 | { |
… | |
… | |
2584 | |
3993 | |
2585 | EV_FREQUENT_CHECK; |
3994 | EV_FREQUENT_CHECK; |
2586 | } |
3995 | } |
2587 | |
3996 | |
2588 | ev_tstamp |
3997 | ev_tstamp |
2589 | ev_timer_remaining (EV_P_ ev_timer *w) |
3998 | ev_timer_remaining (EV_P_ ev_timer *w) EV_NOEXCEPT |
2590 | { |
3999 | { |
2591 | return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); |
4000 | return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); |
2592 | } |
4001 | } |
2593 | |
4002 | |
2594 | #if EV_PERIODIC_ENABLE |
4003 | #if EV_PERIODIC_ENABLE |
2595 | void noinline |
4004 | noinline |
|
|
4005 | void |
2596 | ev_periodic_start (EV_P_ ev_periodic *w) |
4006 | ev_periodic_start (EV_P_ ev_periodic *w) EV_NOEXCEPT |
2597 | { |
4007 | { |
2598 | if (expect_false (ev_is_active (w))) |
4008 | if (expect_false (ev_is_active (w))) |
2599 | return; |
4009 | return; |
2600 | |
4010 | |
2601 | if (w->reschedule_cb) |
4011 | if (w->reschedule_cb) |
2602 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
4012 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
2603 | else if (w->interval) |
4013 | else if (w->interval) |
2604 | { |
4014 | { |
2605 | assert (("libev: ev_periodic_start called with negative interval value", w->interval >= 0.)); |
4015 | assert (("libev: ev_periodic_start called with negative interval value", w->interval >= 0.)); |
2606 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
4016 | periodic_recalc (EV_A_ w); |
2607 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
2608 | } |
4017 | } |
2609 | else |
4018 | else |
2610 | ev_at (w) = w->offset; |
4019 | ev_at (w) = w->offset; |
2611 | |
4020 | |
2612 | EV_FREQUENT_CHECK; |
4021 | EV_FREQUENT_CHECK; |
… | |
… | |
2621 | EV_FREQUENT_CHECK; |
4030 | EV_FREQUENT_CHECK; |
2622 | |
4031 | |
2623 | /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
4032 | /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
2624 | } |
4033 | } |
2625 | |
4034 | |
2626 | void noinline |
4035 | noinline |
|
|
4036 | void |
2627 | ev_periodic_stop (EV_P_ ev_periodic *w) |
4037 | ev_periodic_stop (EV_P_ ev_periodic *w) EV_NOEXCEPT |
2628 | { |
4038 | { |
2629 | clear_pending (EV_A_ (W)w); |
4039 | clear_pending (EV_A_ (W)w); |
2630 | if (expect_false (!ev_is_active (w))) |
4040 | if (expect_false (!ev_is_active (w))) |
2631 | return; |
4041 | return; |
2632 | |
4042 | |
… | |
… | |
2644 | periodics [active] = periodics [periodiccnt + HEAP0]; |
4054 | periodics [active] = periodics [periodiccnt + HEAP0]; |
2645 | adjustheap (periodics, periodiccnt, active); |
4055 | adjustheap (periodics, periodiccnt, active); |
2646 | } |
4056 | } |
2647 | } |
4057 | } |
2648 | |
4058 | |
2649 | EV_FREQUENT_CHECK; |
|
|
2650 | |
|
|
2651 | ev_stop (EV_A_ (W)w); |
4059 | ev_stop (EV_A_ (W)w); |
2652 | } |
|
|
2653 | |
4060 | |
|
|
4061 | EV_FREQUENT_CHECK; |
|
|
4062 | } |
|
|
4063 | |
2654 | void noinline |
4064 | noinline |
|
|
4065 | void |
2655 | ev_periodic_again (EV_P_ ev_periodic *w) |
4066 | ev_periodic_again (EV_P_ ev_periodic *w) EV_NOEXCEPT |
2656 | { |
4067 | { |
2657 | /* TODO: use adjustheap and recalculation */ |
4068 | /* TODO: use adjustheap and recalculation */ |
2658 | ev_periodic_stop (EV_A_ w); |
4069 | ev_periodic_stop (EV_A_ w); |
2659 | ev_periodic_start (EV_A_ w); |
4070 | ev_periodic_start (EV_A_ w); |
2660 | } |
4071 | } |
… | |
… | |
2662 | |
4073 | |
2663 | #ifndef SA_RESTART |
4074 | #ifndef SA_RESTART |
2664 | # define SA_RESTART 0 |
4075 | # define SA_RESTART 0 |
2665 | #endif |
4076 | #endif |
2666 | |
4077 | |
|
|
4078 | #if EV_SIGNAL_ENABLE |
|
|
4079 | |
2667 | void noinline |
4080 | noinline |
|
|
4081 | void |
2668 | ev_signal_start (EV_P_ ev_signal *w) |
4082 | ev_signal_start (EV_P_ ev_signal *w) EV_NOEXCEPT |
2669 | { |
4083 | { |
2670 | if (expect_false (ev_is_active (w))) |
4084 | if (expect_false (ev_is_active (w))) |
2671 | return; |
4085 | return; |
2672 | |
4086 | |
2673 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); |
4087 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); |
2674 | |
4088 | |
2675 | #if EV_MULTIPLICITY |
4089 | #if EV_MULTIPLICITY |
2676 | assert (("libev: tried to attach to a signal from two different loops", |
4090 | assert (("libev: a signal must not be attached to two different loops", |
2677 | !signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop)); |
4091 | !signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop)); |
2678 | |
4092 | |
2679 | signals [w->signum - 1].loop = EV_A; |
4093 | signals [w->signum - 1].loop = EV_A; |
|
|
4094 | ECB_MEMORY_FENCE_RELEASE; |
2680 | #endif |
4095 | #endif |
2681 | |
4096 | |
2682 | EV_FREQUENT_CHECK; |
4097 | EV_FREQUENT_CHECK; |
2683 | |
4098 | |
2684 | #if EV_USE_SIGNALFD |
4099 | #if EV_USE_SIGNALFD |
… | |
… | |
2717 | if (!((WL)w)->next) |
4132 | if (!((WL)w)->next) |
2718 | # if EV_USE_SIGNALFD |
4133 | # if EV_USE_SIGNALFD |
2719 | if (sigfd < 0) /*TODO*/ |
4134 | if (sigfd < 0) /*TODO*/ |
2720 | # endif |
4135 | # endif |
2721 | { |
4136 | { |
2722 | # if _WIN32 |
4137 | # ifdef _WIN32 |
|
|
4138 | evpipe_init (EV_A); |
|
|
4139 | |
2723 | signal (w->signum, ev_sighandler); |
4140 | signal (w->signum, ev_sighandler); |
2724 | # else |
4141 | # else |
2725 | struct sigaction sa; |
4142 | struct sigaction sa; |
2726 | |
4143 | |
2727 | evpipe_init (EV_A); |
4144 | evpipe_init (EV_A); |
… | |
… | |
2729 | sa.sa_handler = ev_sighandler; |
4146 | sa.sa_handler = ev_sighandler; |
2730 | sigfillset (&sa.sa_mask); |
4147 | sigfillset (&sa.sa_mask); |
2731 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
4148 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
2732 | sigaction (w->signum, &sa, 0); |
4149 | sigaction (w->signum, &sa, 0); |
2733 | |
4150 | |
|
|
4151 | if (origflags & EVFLAG_NOSIGMASK) |
|
|
4152 | { |
2734 | sigemptyset (&sa.sa_mask); |
4153 | sigemptyset (&sa.sa_mask); |
2735 | sigaddset (&sa.sa_mask, w->signum); |
4154 | sigaddset (&sa.sa_mask, w->signum); |
2736 | sigprocmask (SIG_UNBLOCK, &sa.sa_mask, 0); |
4155 | sigprocmask (SIG_UNBLOCK, &sa.sa_mask, 0); |
|
|
4156 | } |
2737 | #endif |
4157 | #endif |
2738 | } |
4158 | } |
2739 | |
4159 | |
2740 | EV_FREQUENT_CHECK; |
4160 | EV_FREQUENT_CHECK; |
2741 | } |
4161 | } |
2742 | |
4162 | |
2743 | void noinline |
4163 | noinline |
|
|
4164 | void |
2744 | ev_signal_stop (EV_P_ ev_signal *w) |
4165 | ev_signal_stop (EV_P_ ev_signal *w) EV_NOEXCEPT |
2745 | { |
4166 | { |
2746 | clear_pending (EV_A_ (W)w); |
4167 | clear_pending (EV_A_ (W)w); |
2747 | if (expect_false (!ev_is_active (w))) |
4168 | if (expect_false (!ev_is_active (w))) |
2748 | return; |
4169 | return; |
2749 | |
4170 | |
… | |
… | |
2758 | signals [w->signum - 1].loop = 0; /* unattach from signal */ |
4179 | signals [w->signum - 1].loop = 0; /* unattach from signal */ |
2759 | #endif |
4180 | #endif |
2760 | #if EV_USE_SIGNALFD |
4181 | #if EV_USE_SIGNALFD |
2761 | if (sigfd >= 0) |
4182 | if (sigfd >= 0) |
2762 | { |
4183 | { |
2763 | sigprocmask (SIG_UNBLOCK, &sigfd_set, 0);//D |
4184 | sigset_t ss; |
|
|
4185 | |
|
|
4186 | sigemptyset (&ss); |
|
|
4187 | sigaddset (&ss, w->signum); |
2764 | sigdelset (&sigfd_set, w->signum); |
4188 | sigdelset (&sigfd_set, w->signum); |
|
|
4189 | |
2765 | signalfd (sigfd, &sigfd_set, 0); |
4190 | signalfd (sigfd, &sigfd_set, 0); |
2766 | sigprocmask (SIG_BLOCK, &sigfd_set, 0);//D |
4191 | sigprocmask (SIG_UNBLOCK, &ss, 0); |
2767 | /*TODO: maybe unblock signal? */ |
|
|
2768 | } |
4192 | } |
2769 | else |
4193 | else |
2770 | #endif |
4194 | #endif |
2771 | signal (w->signum, SIG_DFL); |
4195 | signal (w->signum, SIG_DFL); |
2772 | } |
4196 | } |
2773 | |
4197 | |
2774 | EV_FREQUENT_CHECK; |
4198 | EV_FREQUENT_CHECK; |
2775 | } |
4199 | } |
2776 | |
4200 | |
|
|
4201 | #endif |
|
|
4202 | |
|
|
4203 | #if EV_CHILD_ENABLE |
|
|
4204 | |
2777 | void |
4205 | void |
2778 | ev_child_start (EV_P_ ev_child *w) |
4206 | ev_child_start (EV_P_ ev_child *w) EV_NOEXCEPT |
2779 | { |
4207 | { |
2780 | #if EV_MULTIPLICITY |
4208 | #if EV_MULTIPLICITY |
2781 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
4209 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
2782 | #endif |
4210 | #endif |
2783 | if (expect_false (ev_is_active (w))) |
4211 | if (expect_false (ev_is_active (w))) |
2784 | return; |
4212 | return; |
2785 | |
4213 | |
2786 | EV_FREQUENT_CHECK; |
4214 | EV_FREQUENT_CHECK; |
2787 | |
4215 | |
2788 | ev_start (EV_A_ (W)w, 1); |
4216 | ev_start (EV_A_ (W)w, 1); |
2789 | wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
4217 | wlist_add (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w); |
2790 | |
4218 | |
2791 | EV_FREQUENT_CHECK; |
4219 | EV_FREQUENT_CHECK; |
2792 | } |
4220 | } |
2793 | |
4221 | |
2794 | void |
4222 | void |
2795 | ev_child_stop (EV_P_ ev_child *w) |
4223 | ev_child_stop (EV_P_ ev_child *w) EV_NOEXCEPT |
2796 | { |
4224 | { |
2797 | clear_pending (EV_A_ (W)w); |
4225 | clear_pending (EV_A_ (W)w); |
2798 | if (expect_false (!ev_is_active (w))) |
4226 | if (expect_false (!ev_is_active (w))) |
2799 | return; |
4227 | return; |
2800 | |
4228 | |
2801 | EV_FREQUENT_CHECK; |
4229 | EV_FREQUENT_CHECK; |
2802 | |
4230 | |
2803 | wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
4231 | wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w); |
2804 | ev_stop (EV_A_ (W)w); |
4232 | ev_stop (EV_A_ (W)w); |
2805 | |
4233 | |
2806 | EV_FREQUENT_CHECK; |
4234 | EV_FREQUENT_CHECK; |
2807 | } |
4235 | } |
|
|
4236 | |
|
|
4237 | #endif |
2808 | |
4238 | |
2809 | #if EV_STAT_ENABLE |
4239 | #if EV_STAT_ENABLE |
2810 | |
4240 | |
2811 | # ifdef _WIN32 |
4241 | # ifdef _WIN32 |
2812 | # undef lstat |
4242 | # undef lstat |
… | |
… | |
2815 | |
4245 | |
2816 | #define DEF_STAT_INTERVAL 5.0074891 |
4246 | #define DEF_STAT_INTERVAL 5.0074891 |
2817 | #define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */ |
4247 | #define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */ |
2818 | #define MIN_STAT_INTERVAL 0.1074891 |
4248 | #define MIN_STAT_INTERVAL 0.1074891 |
2819 | |
4249 | |
2820 | static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
4250 | noinline static void stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
2821 | |
4251 | |
2822 | #if EV_USE_INOTIFY |
4252 | #if EV_USE_INOTIFY |
2823 | # define EV_INOTIFY_BUFSIZE 8192 |
|
|
2824 | |
4253 | |
2825 | static void noinline |
4254 | /* the * 2 is to allow for alignment padding, which for some reason is >> 8 */ |
|
|
4255 | # define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX) |
|
|
4256 | |
|
|
4257 | noinline |
|
|
4258 | static void |
2826 | infy_add (EV_P_ ev_stat *w) |
4259 | infy_add (EV_P_ ev_stat *w) |
2827 | { |
4260 | { |
2828 | 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); |
4261 | w->wd = inotify_add_watch (fs_fd, w->path, |
|
|
4262 | IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY |
|
|
4263 | | IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO |
|
|
4264 | | IN_DONT_FOLLOW | IN_MASK_ADD); |
2829 | |
4265 | |
2830 | if (w->wd < 0) |
4266 | if (w->wd >= 0) |
|
|
4267 | { |
|
|
4268 | struct statfs sfs; |
|
|
4269 | |
|
|
4270 | /* now local changes will be tracked by inotify, but remote changes won't */ |
|
|
4271 | /* unless the filesystem is known to be local, we therefore still poll */ |
|
|
4272 | /* also do poll on <2.6.25, but with normal frequency */ |
|
|
4273 | |
|
|
4274 | if (!fs_2625) |
|
|
4275 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
|
|
4276 | else if (!statfs (w->path, &sfs) |
|
|
4277 | && (sfs.f_type == 0x1373 /* devfs */ |
|
|
4278 | || sfs.f_type == 0x4006 /* fat */ |
|
|
4279 | || sfs.f_type == 0x4d44 /* msdos */ |
|
|
4280 | || sfs.f_type == 0xEF53 /* ext2/3 */ |
|
|
4281 | || sfs.f_type == 0x72b6 /* jffs2 */ |
|
|
4282 | || sfs.f_type == 0x858458f6 /* ramfs */ |
|
|
4283 | || sfs.f_type == 0x5346544e /* ntfs */ |
|
|
4284 | || sfs.f_type == 0x3153464a /* jfs */ |
|
|
4285 | || sfs.f_type == 0x9123683e /* btrfs */ |
|
|
4286 | || sfs.f_type == 0x52654973 /* reiser3 */ |
|
|
4287 | || sfs.f_type == 0x01021994 /* tmpfs */ |
|
|
4288 | || sfs.f_type == 0x58465342 /* xfs */)) |
|
|
4289 | w->timer.repeat = 0.; /* filesystem is local, kernel new enough */ |
|
|
4290 | else |
|
|
4291 | w->timer.repeat = w->interval ? w->interval : NFS_STAT_INTERVAL; /* remote, use reduced frequency */ |
2831 | { |
4292 | } |
|
|
4293 | else |
|
|
4294 | { |
|
|
4295 | /* can't use inotify, continue to stat */ |
2832 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
4296 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
2833 | ev_timer_again (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */ |
|
|
2834 | |
4297 | |
2835 | /* monitor some parent directory for speedup hints */ |
4298 | /* if path is not there, monitor some parent directory for speedup hints */ |
2836 | /* note that exceeding the hardcoded path limit is not a correctness issue, */ |
4299 | /* note that exceeding the hardcoded path limit is not a correctness issue, */ |
2837 | /* but an efficiency issue only */ |
4300 | /* but an efficiency issue only */ |
2838 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
4301 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
2839 | { |
4302 | { |
2840 | char path [4096]; |
4303 | char path [4096]; |
… | |
… | |
2850 | if (!pend || pend == path) |
4313 | if (!pend || pend == path) |
2851 | break; |
4314 | break; |
2852 | |
4315 | |
2853 | *pend = 0; |
4316 | *pend = 0; |
2854 | w->wd = inotify_add_watch (fs_fd, path, mask); |
4317 | w->wd = inotify_add_watch (fs_fd, path, mask); |
2855 | } |
4318 | } |
2856 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
4319 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
2857 | } |
4320 | } |
2858 | } |
4321 | } |
2859 | |
4322 | |
2860 | if (w->wd >= 0) |
4323 | if (w->wd >= 0) |
2861 | { |
|
|
2862 | wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
4324 | wlist_add (&fs_hash [w->wd & ((EV_INOTIFY_HASHSIZE) - 1)].head, (WL)w); |
2863 | |
4325 | |
2864 | /* now local changes will be tracked by inotify, but remote changes won't */ |
4326 | /* now re-arm timer, if required */ |
2865 | /* unless the filesystem it known to be local, we therefore still poll */ |
4327 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
2866 | /* also do poll on <2.6.25, but with normal frequency */ |
|
|
2867 | struct statfs sfs; |
|
|
2868 | |
|
|
2869 | if (fs_2625 && !statfs (w->path, &sfs)) |
|
|
2870 | if (sfs.f_type == 0x1373 /* devfs */ |
|
|
2871 | || sfs.f_type == 0xEF53 /* ext2/3 */ |
|
|
2872 | || sfs.f_type == 0x3153464a /* jfs */ |
|
|
2873 | || sfs.f_type == 0x52654973 /* reiser3 */ |
|
|
2874 | || sfs.f_type == 0x01021994 /* tempfs */ |
|
|
2875 | || sfs.f_type == 0x58465342 /* xfs */) |
|
|
2876 | return; |
|
|
2877 | |
|
|
2878 | w->timer.repeat = w->interval ? w->interval : fs_2625 ? NFS_STAT_INTERVAL : DEF_STAT_INTERVAL; |
|
|
2879 | ev_timer_again (EV_A_ &w->timer); |
4328 | ev_timer_again (EV_A_ &w->timer); |
2880 | } |
4329 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
2881 | } |
4330 | } |
2882 | |
4331 | |
2883 | static void noinline |
4332 | noinline |
|
|
4333 | static void |
2884 | infy_del (EV_P_ ev_stat *w) |
4334 | infy_del (EV_P_ ev_stat *w) |
2885 | { |
4335 | { |
2886 | int slot; |
4336 | int slot; |
2887 | int wd = w->wd; |
4337 | int wd = w->wd; |
2888 | |
4338 | |
2889 | if (wd < 0) |
4339 | if (wd < 0) |
2890 | return; |
4340 | return; |
2891 | |
4341 | |
2892 | w->wd = -2; |
4342 | w->wd = -2; |
2893 | slot = wd & (EV_INOTIFY_HASHSIZE - 1); |
4343 | slot = wd & ((EV_INOTIFY_HASHSIZE) - 1); |
2894 | wlist_del (&fs_hash [slot].head, (WL)w); |
4344 | wlist_del (&fs_hash [slot].head, (WL)w); |
2895 | |
4345 | |
2896 | /* remove this watcher, if others are watching it, they will rearm */ |
4346 | /* remove this watcher, if others are watching it, they will rearm */ |
2897 | inotify_rm_watch (fs_fd, wd); |
4347 | inotify_rm_watch (fs_fd, wd); |
2898 | } |
4348 | } |
2899 | |
4349 | |
2900 | static void noinline |
4350 | noinline |
|
|
4351 | static void |
2901 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
4352 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
2902 | { |
4353 | { |
2903 | if (slot < 0) |
4354 | if (slot < 0) |
2904 | /* overflow, need to check for all hash slots */ |
4355 | /* overflow, need to check for all hash slots */ |
2905 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
4356 | for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot) |
2906 | infy_wd (EV_A_ slot, wd, ev); |
4357 | infy_wd (EV_A_ slot, wd, ev); |
2907 | else |
4358 | else |
2908 | { |
4359 | { |
2909 | WL w_; |
4360 | WL w_; |
2910 | |
4361 | |
2911 | for (w_ = fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head; w_; ) |
4362 | for (w_ = fs_hash [slot & ((EV_INOTIFY_HASHSIZE) - 1)].head; w_; ) |
2912 | { |
4363 | { |
2913 | ev_stat *w = (ev_stat *)w_; |
4364 | ev_stat *w = (ev_stat *)w_; |
2914 | w_ = w_->next; /* lets us remove this watcher and all before it */ |
4365 | w_ = w_->next; /* lets us remove this watcher and all before it */ |
2915 | |
4366 | |
2916 | if (w->wd == wd || wd == -1) |
4367 | if (w->wd == wd || wd == -1) |
2917 | { |
4368 | { |
2918 | if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) |
4369 | if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) |
2919 | { |
4370 | { |
2920 | wlist_del (&fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
4371 | wlist_del (&fs_hash [slot & ((EV_INOTIFY_HASHSIZE) - 1)].head, (WL)w); |
2921 | w->wd = -1; |
4372 | w->wd = -1; |
2922 | infy_add (EV_A_ w); /* re-add, no matter what */ |
4373 | infy_add (EV_A_ w); /* re-add, no matter what */ |
2923 | } |
4374 | } |
2924 | |
4375 | |
2925 | stat_timer_cb (EV_A_ &w->timer, 0); |
4376 | stat_timer_cb (EV_A_ &w->timer, 0); |
… | |
… | |
2930 | |
4381 | |
2931 | static void |
4382 | static void |
2932 | infy_cb (EV_P_ ev_io *w, int revents) |
4383 | infy_cb (EV_P_ ev_io *w, int revents) |
2933 | { |
4384 | { |
2934 | char buf [EV_INOTIFY_BUFSIZE]; |
4385 | char buf [EV_INOTIFY_BUFSIZE]; |
2935 | struct inotify_event *ev = (struct inotify_event *)buf; |
|
|
2936 | int ofs; |
4386 | int ofs; |
2937 | int len = read (fs_fd, buf, sizeof (buf)); |
4387 | int len = read (fs_fd, buf, sizeof (buf)); |
2938 | |
4388 | |
2939 | for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len) |
4389 | for (ofs = 0; ofs < len; ) |
|
|
4390 | { |
|
|
4391 | struct inotify_event *ev = (struct inotify_event *)(buf + ofs); |
2940 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
4392 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
|
|
4393 | ofs += sizeof (struct inotify_event) + ev->len; |
|
|
4394 | } |
2941 | } |
4395 | } |
2942 | |
4396 | |
2943 | inline_size void |
4397 | inline_size ecb_cold |
|
|
4398 | void |
2944 | check_2625 (EV_P) |
4399 | ev_check_2625 (EV_P) |
2945 | { |
4400 | { |
2946 | /* kernels < 2.6.25 are borked |
4401 | /* kernels < 2.6.25 are borked |
2947 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
4402 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
2948 | */ |
4403 | */ |
2949 | struct utsname buf; |
4404 | if (ev_linux_version () < 0x020619) |
2950 | int major, minor, micro; |
|
|
2951 | |
|
|
2952 | if (uname (&buf)) |
|
|
2953 | return; |
4405 | return; |
2954 | |
4406 | |
2955 | if (sscanf (buf.release, "%d.%d.%d", &major, &minor, µ) != 3) |
|
|
2956 | return; |
|
|
2957 | |
|
|
2958 | if (major < 2 |
|
|
2959 | || (major == 2 && minor < 6) |
|
|
2960 | || (major == 2 && minor == 6 && micro < 25)) |
|
|
2961 | return; |
|
|
2962 | |
|
|
2963 | fs_2625 = 1; |
4407 | fs_2625 = 1; |
|
|
4408 | } |
|
|
4409 | |
|
|
4410 | inline_size int |
|
|
4411 | infy_newfd (void) |
|
|
4412 | { |
|
|
4413 | #if defined IN_CLOEXEC && defined IN_NONBLOCK |
|
|
4414 | int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK); |
|
|
4415 | if (fd >= 0) |
|
|
4416 | return fd; |
|
|
4417 | #endif |
|
|
4418 | return inotify_init (); |
2964 | } |
4419 | } |
2965 | |
4420 | |
2966 | inline_size void |
4421 | inline_size void |
2967 | infy_init (EV_P) |
4422 | infy_init (EV_P) |
2968 | { |
4423 | { |
2969 | if (fs_fd != -2) |
4424 | if (fs_fd != -2) |
2970 | return; |
4425 | return; |
2971 | |
4426 | |
2972 | fs_fd = -1; |
4427 | fs_fd = -1; |
2973 | |
4428 | |
2974 | check_2625 (EV_A); |
4429 | ev_check_2625 (EV_A); |
2975 | |
4430 | |
2976 | fs_fd = inotify_init (); |
4431 | fs_fd = infy_newfd (); |
2977 | |
4432 | |
2978 | if (fs_fd >= 0) |
4433 | if (fs_fd >= 0) |
2979 | { |
4434 | { |
|
|
4435 | fd_intern (fs_fd); |
2980 | ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ); |
4436 | ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ); |
2981 | ev_set_priority (&fs_w, EV_MAXPRI); |
4437 | ev_set_priority (&fs_w, EV_MAXPRI); |
2982 | ev_io_start (EV_A_ &fs_w); |
4438 | ev_io_start (EV_A_ &fs_w); |
|
|
4439 | ev_unref (EV_A); |
2983 | } |
4440 | } |
2984 | } |
4441 | } |
2985 | |
4442 | |
2986 | inline_size void |
4443 | inline_size void |
2987 | infy_fork (EV_P) |
4444 | infy_fork (EV_P) |
… | |
… | |
2989 | int slot; |
4446 | int slot; |
2990 | |
4447 | |
2991 | if (fs_fd < 0) |
4448 | if (fs_fd < 0) |
2992 | return; |
4449 | return; |
2993 | |
4450 | |
|
|
4451 | ev_ref (EV_A); |
|
|
4452 | ev_io_stop (EV_A_ &fs_w); |
2994 | close (fs_fd); |
4453 | close (fs_fd); |
2995 | fs_fd = inotify_init (); |
4454 | fs_fd = infy_newfd (); |
2996 | |
4455 | |
|
|
4456 | if (fs_fd >= 0) |
|
|
4457 | { |
|
|
4458 | fd_intern (fs_fd); |
|
|
4459 | ev_io_set (&fs_w, fs_fd, EV_READ); |
|
|
4460 | ev_io_start (EV_A_ &fs_w); |
|
|
4461 | ev_unref (EV_A); |
|
|
4462 | } |
|
|
4463 | |
2997 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
4464 | for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot) |
2998 | { |
4465 | { |
2999 | WL w_ = fs_hash [slot].head; |
4466 | WL w_ = fs_hash [slot].head; |
3000 | fs_hash [slot].head = 0; |
4467 | fs_hash [slot].head = 0; |
3001 | |
4468 | |
3002 | while (w_) |
4469 | while (w_) |
… | |
… | |
3007 | w->wd = -1; |
4474 | w->wd = -1; |
3008 | |
4475 | |
3009 | if (fs_fd >= 0) |
4476 | if (fs_fd >= 0) |
3010 | infy_add (EV_A_ w); /* re-add, no matter what */ |
4477 | infy_add (EV_A_ w); /* re-add, no matter what */ |
3011 | else |
4478 | else |
|
|
4479 | { |
|
|
4480 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
|
|
4481 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
3012 | ev_timer_again (EV_A_ &w->timer); |
4482 | ev_timer_again (EV_A_ &w->timer); |
|
|
4483 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
|
|
4484 | } |
3013 | } |
4485 | } |
3014 | } |
4486 | } |
3015 | } |
4487 | } |
3016 | |
4488 | |
3017 | #endif |
4489 | #endif |
… | |
… | |
3021 | #else |
4493 | #else |
3022 | # define EV_LSTAT(p,b) lstat (p, b) |
4494 | # define EV_LSTAT(p,b) lstat (p, b) |
3023 | #endif |
4495 | #endif |
3024 | |
4496 | |
3025 | void |
4497 | void |
3026 | ev_stat_stat (EV_P_ ev_stat *w) |
4498 | ev_stat_stat (EV_P_ ev_stat *w) EV_NOEXCEPT |
3027 | { |
4499 | { |
3028 | if (lstat (w->path, &w->attr) < 0) |
4500 | if (lstat (w->path, &w->attr) < 0) |
3029 | w->attr.st_nlink = 0; |
4501 | w->attr.st_nlink = 0; |
3030 | else if (!w->attr.st_nlink) |
4502 | else if (!w->attr.st_nlink) |
3031 | w->attr.st_nlink = 1; |
4503 | w->attr.st_nlink = 1; |
3032 | } |
4504 | } |
3033 | |
4505 | |
3034 | static void noinline |
4506 | noinline |
|
|
4507 | static void |
3035 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
4508 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
3036 | { |
4509 | { |
3037 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
4510 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
3038 | |
4511 | |
3039 | /* we copy this here each the time so that */ |
4512 | ev_statdata prev = w->attr; |
3040 | /* prev has the old value when the callback gets invoked */ |
|
|
3041 | w->prev = w->attr; |
|
|
3042 | ev_stat_stat (EV_A_ w); |
4513 | ev_stat_stat (EV_A_ w); |
3043 | |
4514 | |
3044 | /* memcmp doesn't work on netbsd, they.... do stuff to their struct stat */ |
4515 | /* memcmp doesn't work on netbsd, they.... do stuff to their struct stat */ |
3045 | if ( |
4516 | if ( |
3046 | w->prev.st_dev != w->attr.st_dev |
4517 | prev.st_dev != w->attr.st_dev |
3047 | || w->prev.st_ino != w->attr.st_ino |
4518 | || prev.st_ino != w->attr.st_ino |
3048 | || w->prev.st_mode != w->attr.st_mode |
4519 | || prev.st_mode != w->attr.st_mode |
3049 | || w->prev.st_nlink != w->attr.st_nlink |
4520 | || prev.st_nlink != w->attr.st_nlink |
3050 | || w->prev.st_uid != w->attr.st_uid |
4521 | || prev.st_uid != w->attr.st_uid |
3051 | || w->prev.st_gid != w->attr.st_gid |
4522 | || prev.st_gid != w->attr.st_gid |
3052 | || w->prev.st_rdev != w->attr.st_rdev |
4523 | || prev.st_rdev != w->attr.st_rdev |
3053 | || w->prev.st_size != w->attr.st_size |
4524 | || prev.st_size != w->attr.st_size |
3054 | || w->prev.st_atime != w->attr.st_atime |
4525 | || prev.st_atime != w->attr.st_atime |
3055 | || w->prev.st_mtime != w->attr.st_mtime |
4526 | || prev.st_mtime != w->attr.st_mtime |
3056 | || w->prev.st_ctime != w->attr.st_ctime |
4527 | || prev.st_ctime != w->attr.st_ctime |
3057 | ) { |
4528 | ) { |
|
|
4529 | /* we only update w->prev on actual differences */ |
|
|
4530 | /* in case we test more often than invoke the callback, */ |
|
|
4531 | /* to ensure that prev is always different to attr */ |
|
|
4532 | w->prev = prev; |
|
|
4533 | |
3058 | #if EV_USE_INOTIFY |
4534 | #if EV_USE_INOTIFY |
3059 | if (fs_fd >= 0) |
4535 | if (fs_fd >= 0) |
3060 | { |
4536 | { |
3061 | infy_del (EV_A_ w); |
4537 | infy_del (EV_A_ w); |
3062 | infy_add (EV_A_ w); |
4538 | infy_add (EV_A_ w); |
… | |
… | |
3067 | ev_feed_event (EV_A_ w, EV_STAT); |
4543 | ev_feed_event (EV_A_ w, EV_STAT); |
3068 | } |
4544 | } |
3069 | } |
4545 | } |
3070 | |
4546 | |
3071 | void |
4547 | void |
3072 | ev_stat_start (EV_P_ ev_stat *w) |
4548 | ev_stat_start (EV_P_ ev_stat *w) EV_NOEXCEPT |
3073 | { |
4549 | { |
3074 | if (expect_false (ev_is_active (w))) |
4550 | if (expect_false (ev_is_active (w))) |
3075 | return; |
4551 | return; |
3076 | |
4552 | |
3077 | ev_stat_stat (EV_A_ w); |
4553 | ev_stat_stat (EV_A_ w); |
… | |
… | |
3087 | |
4563 | |
3088 | if (fs_fd >= 0) |
4564 | if (fs_fd >= 0) |
3089 | infy_add (EV_A_ w); |
4565 | infy_add (EV_A_ w); |
3090 | else |
4566 | else |
3091 | #endif |
4567 | #endif |
|
|
4568 | { |
3092 | ev_timer_again (EV_A_ &w->timer); |
4569 | ev_timer_again (EV_A_ &w->timer); |
|
|
4570 | ev_unref (EV_A); |
|
|
4571 | } |
3093 | |
4572 | |
3094 | ev_start (EV_A_ (W)w, 1); |
4573 | ev_start (EV_A_ (W)w, 1); |
3095 | |
4574 | |
3096 | EV_FREQUENT_CHECK; |
4575 | EV_FREQUENT_CHECK; |
3097 | } |
4576 | } |
3098 | |
4577 | |
3099 | void |
4578 | void |
3100 | ev_stat_stop (EV_P_ ev_stat *w) |
4579 | ev_stat_stop (EV_P_ ev_stat *w) EV_NOEXCEPT |
3101 | { |
4580 | { |
3102 | clear_pending (EV_A_ (W)w); |
4581 | clear_pending (EV_A_ (W)w); |
3103 | if (expect_false (!ev_is_active (w))) |
4582 | if (expect_false (!ev_is_active (w))) |
3104 | return; |
4583 | return; |
3105 | |
4584 | |
3106 | EV_FREQUENT_CHECK; |
4585 | EV_FREQUENT_CHECK; |
3107 | |
4586 | |
3108 | #if EV_USE_INOTIFY |
4587 | #if EV_USE_INOTIFY |
3109 | infy_del (EV_A_ w); |
4588 | infy_del (EV_A_ w); |
3110 | #endif |
4589 | #endif |
|
|
4590 | |
|
|
4591 | if (ev_is_active (&w->timer)) |
|
|
4592 | { |
|
|
4593 | ev_ref (EV_A); |
3111 | ev_timer_stop (EV_A_ &w->timer); |
4594 | ev_timer_stop (EV_A_ &w->timer); |
|
|
4595 | } |
3112 | |
4596 | |
3113 | ev_stop (EV_A_ (W)w); |
4597 | ev_stop (EV_A_ (W)w); |
3114 | |
4598 | |
3115 | EV_FREQUENT_CHECK; |
4599 | EV_FREQUENT_CHECK; |
3116 | } |
4600 | } |
3117 | #endif |
4601 | #endif |
3118 | |
4602 | |
3119 | #if EV_IDLE_ENABLE |
4603 | #if EV_IDLE_ENABLE |
3120 | void |
4604 | void |
3121 | ev_idle_start (EV_P_ ev_idle *w) |
4605 | ev_idle_start (EV_P_ ev_idle *w) EV_NOEXCEPT |
3122 | { |
4606 | { |
3123 | if (expect_false (ev_is_active (w))) |
4607 | if (expect_false (ev_is_active (w))) |
3124 | return; |
4608 | return; |
3125 | |
4609 | |
3126 | pri_adjust (EV_A_ (W)w); |
4610 | pri_adjust (EV_A_ (W)w); |
… | |
… | |
3139 | |
4623 | |
3140 | EV_FREQUENT_CHECK; |
4624 | EV_FREQUENT_CHECK; |
3141 | } |
4625 | } |
3142 | |
4626 | |
3143 | void |
4627 | void |
3144 | ev_idle_stop (EV_P_ ev_idle *w) |
4628 | ev_idle_stop (EV_P_ ev_idle *w) EV_NOEXCEPT |
3145 | { |
4629 | { |
3146 | clear_pending (EV_A_ (W)w); |
4630 | clear_pending (EV_A_ (W)w); |
3147 | if (expect_false (!ev_is_active (w))) |
4631 | if (expect_false (!ev_is_active (w))) |
3148 | return; |
4632 | return; |
3149 | |
4633 | |
… | |
… | |
3161 | |
4645 | |
3162 | EV_FREQUENT_CHECK; |
4646 | EV_FREQUENT_CHECK; |
3163 | } |
4647 | } |
3164 | #endif |
4648 | #endif |
3165 | |
4649 | |
|
|
4650 | #if EV_PREPARE_ENABLE |
3166 | void |
4651 | void |
3167 | ev_prepare_start (EV_P_ ev_prepare *w) |
4652 | ev_prepare_start (EV_P_ ev_prepare *w) EV_NOEXCEPT |
3168 | { |
4653 | { |
3169 | if (expect_false (ev_is_active (w))) |
4654 | if (expect_false (ev_is_active (w))) |
3170 | return; |
4655 | return; |
3171 | |
4656 | |
3172 | EV_FREQUENT_CHECK; |
4657 | EV_FREQUENT_CHECK; |
… | |
… | |
3177 | |
4662 | |
3178 | EV_FREQUENT_CHECK; |
4663 | EV_FREQUENT_CHECK; |
3179 | } |
4664 | } |
3180 | |
4665 | |
3181 | void |
4666 | void |
3182 | ev_prepare_stop (EV_P_ ev_prepare *w) |
4667 | ev_prepare_stop (EV_P_ ev_prepare *w) EV_NOEXCEPT |
3183 | { |
4668 | { |
3184 | clear_pending (EV_A_ (W)w); |
4669 | clear_pending (EV_A_ (W)w); |
3185 | if (expect_false (!ev_is_active (w))) |
4670 | if (expect_false (!ev_is_active (w))) |
3186 | return; |
4671 | return; |
3187 | |
4672 | |
… | |
… | |
3196 | |
4681 | |
3197 | ev_stop (EV_A_ (W)w); |
4682 | ev_stop (EV_A_ (W)w); |
3198 | |
4683 | |
3199 | EV_FREQUENT_CHECK; |
4684 | EV_FREQUENT_CHECK; |
3200 | } |
4685 | } |
|
|
4686 | #endif |
3201 | |
4687 | |
|
|
4688 | #if EV_CHECK_ENABLE |
3202 | void |
4689 | void |
3203 | ev_check_start (EV_P_ ev_check *w) |
4690 | ev_check_start (EV_P_ ev_check *w) EV_NOEXCEPT |
3204 | { |
4691 | { |
3205 | if (expect_false (ev_is_active (w))) |
4692 | if (expect_false (ev_is_active (w))) |
3206 | return; |
4693 | return; |
3207 | |
4694 | |
3208 | EV_FREQUENT_CHECK; |
4695 | EV_FREQUENT_CHECK; |
… | |
… | |
3213 | |
4700 | |
3214 | EV_FREQUENT_CHECK; |
4701 | EV_FREQUENT_CHECK; |
3215 | } |
4702 | } |
3216 | |
4703 | |
3217 | void |
4704 | void |
3218 | ev_check_stop (EV_P_ ev_check *w) |
4705 | ev_check_stop (EV_P_ ev_check *w) EV_NOEXCEPT |
3219 | { |
4706 | { |
3220 | clear_pending (EV_A_ (W)w); |
4707 | clear_pending (EV_A_ (W)w); |
3221 | if (expect_false (!ev_is_active (w))) |
4708 | if (expect_false (!ev_is_active (w))) |
3222 | return; |
4709 | return; |
3223 | |
4710 | |
… | |
… | |
3232 | |
4719 | |
3233 | ev_stop (EV_A_ (W)w); |
4720 | ev_stop (EV_A_ (W)w); |
3234 | |
4721 | |
3235 | EV_FREQUENT_CHECK; |
4722 | EV_FREQUENT_CHECK; |
3236 | } |
4723 | } |
|
|
4724 | #endif |
3237 | |
4725 | |
3238 | #if EV_EMBED_ENABLE |
4726 | #if EV_EMBED_ENABLE |
3239 | void noinline |
4727 | noinline |
|
|
4728 | void |
3240 | ev_embed_sweep (EV_P_ ev_embed *w) |
4729 | ev_embed_sweep (EV_P_ ev_embed *w) EV_NOEXCEPT |
3241 | { |
4730 | { |
3242 | ev_loop (w->other, EVLOOP_NONBLOCK); |
4731 | ev_run (w->other, EVRUN_NOWAIT); |
3243 | } |
4732 | } |
3244 | |
4733 | |
3245 | static void |
4734 | static void |
3246 | embed_io_cb (EV_P_ ev_io *io, int revents) |
4735 | embed_io_cb (EV_P_ ev_io *io, int revents) |
3247 | { |
4736 | { |
3248 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
4737 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
3249 | |
4738 | |
3250 | if (ev_cb (w)) |
4739 | if (ev_cb (w)) |
3251 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
4740 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
3252 | else |
4741 | else |
3253 | ev_loop (w->other, EVLOOP_NONBLOCK); |
4742 | ev_run (w->other, EVRUN_NOWAIT); |
3254 | } |
4743 | } |
3255 | |
4744 | |
3256 | static void |
4745 | static void |
3257 | embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) |
4746 | embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) |
3258 | { |
4747 | { |
… | |
… | |
3262 | EV_P = w->other; |
4751 | EV_P = w->other; |
3263 | |
4752 | |
3264 | while (fdchangecnt) |
4753 | while (fdchangecnt) |
3265 | { |
4754 | { |
3266 | fd_reify (EV_A); |
4755 | fd_reify (EV_A); |
3267 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
4756 | ev_run (EV_A_ EVRUN_NOWAIT); |
3268 | } |
4757 | } |
3269 | } |
4758 | } |
3270 | } |
4759 | } |
3271 | |
4760 | |
3272 | static void |
4761 | static void |
… | |
… | |
3278 | |
4767 | |
3279 | { |
4768 | { |
3280 | EV_P = w->other; |
4769 | EV_P = w->other; |
3281 | |
4770 | |
3282 | ev_loop_fork (EV_A); |
4771 | ev_loop_fork (EV_A); |
3283 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
4772 | ev_run (EV_A_ EVRUN_NOWAIT); |
3284 | } |
4773 | } |
3285 | |
4774 | |
3286 | ev_embed_start (EV_A_ w); |
4775 | ev_embed_start (EV_A_ w); |
3287 | } |
4776 | } |
3288 | |
4777 | |
… | |
… | |
3293 | ev_idle_stop (EV_A_ idle); |
4782 | ev_idle_stop (EV_A_ idle); |
3294 | } |
4783 | } |
3295 | #endif |
4784 | #endif |
3296 | |
4785 | |
3297 | void |
4786 | void |
3298 | ev_embed_start (EV_P_ ev_embed *w) |
4787 | ev_embed_start (EV_P_ ev_embed *w) EV_NOEXCEPT |
3299 | { |
4788 | { |
3300 | if (expect_false (ev_is_active (w))) |
4789 | if (expect_false (ev_is_active (w))) |
3301 | return; |
4790 | return; |
3302 | |
4791 | |
3303 | { |
4792 | { |
… | |
… | |
3324 | |
4813 | |
3325 | EV_FREQUENT_CHECK; |
4814 | EV_FREQUENT_CHECK; |
3326 | } |
4815 | } |
3327 | |
4816 | |
3328 | void |
4817 | void |
3329 | ev_embed_stop (EV_P_ ev_embed *w) |
4818 | ev_embed_stop (EV_P_ ev_embed *w) EV_NOEXCEPT |
3330 | { |
4819 | { |
3331 | clear_pending (EV_A_ (W)w); |
4820 | clear_pending (EV_A_ (W)w); |
3332 | if (expect_false (!ev_is_active (w))) |
4821 | if (expect_false (!ev_is_active (w))) |
3333 | return; |
4822 | return; |
3334 | |
4823 | |
… | |
… | |
3336 | |
4825 | |
3337 | ev_io_stop (EV_A_ &w->io); |
4826 | ev_io_stop (EV_A_ &w->io); |
3338 | ev_prepare_stop (EV_A_ &w->prepare); |
4827 | ev_prepare_stop (EV_A_ &w->prepare); |
3339 | ev_fork_stop (EV_A_ &w->fork); |
4828 | ev_fork_stop (EV_A_ &w->fork); |
3340 | |
4829 | |
|
|
4830 | ev_stop (EV_A_ (W)w); |
|
|
4831 | |
3341 | EV_FREQUENT_CHECK; |
4832 | EV_FREQUENT_CHECK; |
3342 | } |
4833 | } |
3343 | #endif |
4834 | #endif |
3344 | |
4835 | |
3345 | #if EV_FORK_ENABLE |
4836 | #if EV_FORK_ENABLE |
3346 | void |
4837 | void |
3347 | ev_fork_start (EV_P_ ev_fork *w) |
4838 | ev_fork_start (EV_P_ ev_fork *w) EV_NOEXCEPT |
3348 | { |
4839 | { |
3349 | if (expect_false (ev_is_active (w))) |
4840 | if (expect_false (ev_is_active (w))) |
3350 | return; |
4841 | return; |
3351 | |
4842 | |
3352 | EV_FREQUENT_CHECK; |
4843 | EV_FREQUENT_CHECK; |
… | |
… | |
3357 | |
4848 | |
3358 | EV_FREQUENT_CHECK; |
4849 | EV_FREQUENT_CHECK; |
3359 | } |
4850 | } |
3360 | |
4851 | |
3361 | void |
4852 | void |
3362 | ev_fork_stop (EV_P_ ev_fork *w) |
4853 | ev_fork_stop (EV_P_ ev_fork *w) EV_NOEXCEPT |
3363 | { |
4854 | { |
3364 | clear_pending (EV_A_ (W)w); |
4855 | clear_pending (EV_A_ (W)w); |
3365 | if (expect_false (!ev_is_active (w))) |
4856 | if (expect_false (!ev_is_active (w))) |
3366 | return; |
4857 | return; |
3367 | |
4858 | |
… | |
… | |
3378 | |
4869 | |
3379 | EV_FREQUENT_CHECK; |
4870 | EV_FREQUENT_CHECK; |
3380 | } |
4871 | } |
3381 | #endif |
4872 | #endif |
3382 | |
4873 | |
3383 | #if EV_ASYNC_ENABLE |
4874 | #if EV_CLEANUP_ENABLE |
3384 | void |
4875 | void |
3385 | ev_async_start (EV_P_ ev_async *w) |
4876 | ev_cleanup_start (EV_P_ ev_cleanup *w) EV_NOEXCEPT |
3386 | { |
4877 | { |
3387 | if (expect_false (ev_is_active (w))) |
4878 | if (expect_false (ev_is_active (w))) |
3388 | return; |
4879 | return; |
|
|
4880 | |
|
|
4881 | EV_FREQUENT_CHECK; |
|
|
4882 | |
|
|
4883 | ev_start (EV_A_ (W)w, ++cleanupcnt); |
|
|
4884 | array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, EMPTY2); |
|
|
4885 | cleanups [cleanupcnt - 1] = w; |
|
|
4886 | |
|
|
4887 | /* cleanup watchers should never keep a refcount on the loop */ |
|
|
4888 | ev_unref (EV_A); |
|
|
4889 | EV_FREQUENT_CHECK; |
|
|
4890 | } |
|
|
4891 | |
|
|
4892 | void |
|
|
4893 | ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_NOEXCEPT |
|
|
4894 | { |
|
|
4895 | clear_pending (EV_A_ (W)w); |
|
|
4896 | if (expect_false (!ev_is_active (w))) |
|
|
4897 | return; |
|
|
4898 | |
|
|
4899 | EV_FREQUENT_CHECK; |
|
|
4900 | ev_ref (EV_A); |
|
|
4901 | |
|
|
4902 | { |
|
|
4903 | int active = ev_active (w); |
|
|
4904 | |
|
|
4905 | cleanups [active - 1] = cleanups [--cleanupcnt]; |
|
|
4906 | ev_active (cleanups [active - 1]) = active; |
|
|
4907 | } |
|
|
4908 | |
|
|
4909 | ev_stop (EV_A_ (W)w); |
|
|
4910 | |
|
|
4911 | EV_FREQUENT_CHECK; |
|
|
4912 | } |
|
|
4913 | #endif |
|
|
4914 | |
|
|
4915 | #if EV_ASYNC_ENABLE |
|
|
4916 | void |
|
|
4917 | ev_async_start (EV_P_ ev_async *w) EV_NOEXCEPT |
|
|
4918 | { |
|
|
4919 | if (expect_false (ev_is_active (w))) |
|
|
4920 | return; |
|
|
4921 | |
|
|
4922 | w->sent = 0; |
3389 | |
4923 | |
3390 | evpipe_init (EV_A); |
4924 | evpipe_init (EV_A); |
3391 | |
4925 | |
3392 | EV_FREQUENT_CHECK; |
4926 | EV_FREQUENT_CHECK; |
3393 | |
4927 | |
… | |
… | |
3397 | |
4931 | |
3398 | EV_FREQUENT_CHECK; |
4932 | EV_FREQUENT_CHECK; |
3399 | } |
4933 | } |
3400 | |
4934 | |
3401 | void |
4935 | void |
3402 | ev_async_stop (EV_P_ ev_async *w) |
4936 | ev_async_stop (EV_P_ ev_async *w) EV_NOEXCEPT |
3403 | { |
4937 | { |
3404 | clear_pending (EV_A_ (W)w); |
4938 | clear_pending (EV_A_ (W)w); |
3405 | if (expect_false (!ev_is_active (w))) |
4939 | if (expect_false (!ev_is_active (w))) |
3406 | return; |
4940 | return; |
3407 | |
4941 | |
… | |
… | |
3418 | |
4952 | |
3419 | EV_FREQUENT_CHECK; |
4953 | EV_FREQUENT_CHECK; |
3420 | } |
4954 | } |
3421 | |
4955 | |
3422 | void |
4956 | void |
3423 | ev_async_send (EV_P_ ev_async *w) |
4957 | ev_async_send (EV_P_ ev_async *w) EV_NOEXCEPT |
3424 | { |
4958 | { |
3425 | w->sent = 1; |
4959 | w->sent = 1; |
3426 | evpipe_write (EV_A_ &async_pending); |
4960 | evpipe_write (EV_A_ &async_pending); |
3427 | } |
4961 | } |
3428 | #endif |
4962 | #endif |
… | |
… | |
3465 | |
4999 | |
3466 | once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); |
5000 | once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); |
3467 | } |
5001 | } |
3468 | |
5002 | |
3469 | void |
5003 | void |
3470 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
5004 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_NOEXCEPT |
3471 | { |
5005 | { |
3472 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
5006 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
3473 | |
|
|
3474 | if (expect_false (!once)) |
|
|
3475 | { |
|
|
3476 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); |
|
|
3477 | return; |
|
|
3478 | } |
|
|
3479 | |
5007 | |
3480 | once->cb = cb; |
5008 | once->cb = cb; |
3481 | once->arg = arg; |
5009 | once->arg = arg; |
3482 | |
5010 | |
3483 | ev_init (&once->io, once_cb_io); |
5011 | ev_init (&once->io, once_cb_io); |
… | |
… | |
3496 | } |
5024 | } |
3497 | |
5025 | |
3498 | /*****************************************************************************/ |
5026 | /*****************************************************************************/ |
3499 | |
5027 | |
3500 | #if EV_WALK_ENABLE |
5028 | #if EV_WALK_ENABLE |
|
|
5029 | ecb_cold |
3501 | void |
5030 | void |
3502 | ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) |
5031 | ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_NOEXCEPT |
3503 | { |
5032 | { |
3504 | int i, j; |
5033 | int i, j; |
3505 | ev_watcher_list *wl, *wn; |
5034 | ev_watcher_list *wl, *wn; |
3506 | |
5035 | |
3507 | if (types & (EV_IO | EV_EMBED)) |
5036 | if (types & (EV_IO | EV_EMBED)) |
… | |
… | |
3550 | cb (EV_A_ EV_PERIODIC, ANHE_w (periodics [i])); |
5079 | cb (EV_A_ EV_PERIODIC, ANHE_w (periodics [i])); |
3551 | #endif |
5080 | #endif |
3552 | |
5081 | |
3553 | #if EV_IDLE_ENABLE |
5082 | #if EV_IDLE_ENABLE |
3554 | if (types & EV_IDLE) |
5083 | if (types & EV_IDLE) |
3555 | for (j = NUMPRI; i--; ) |
5084 | for (j = NUMPRI; j--; ) |
3556 | for (i = idlecnt [j]; i--; ) |
5085 | for (i = idlecnt [j]; i--; ) |
3557 | cb (EV_A_ EV_IDLE, idles [j][i]); |
5086 | cb (EV_A_ EV_IDLE, idles [j][i]); |
3558 | #endif |
5087 | #endif |
3559 | |
5088 | |
3560 | #if EV_FORK_ENABLE |
5089 | #if EV_FORK_ENABLE |
… | |
… | |
3568 | if (types & EV_ASYNC) |
5097 | if (types & EV_ASYNC) |
3569 | for (i = asynccnt; i--; ) |
5098 | for (i = asynccnt; i--; ) |
3570 | cb (EV_A_ EV_ASYNC, asyncs [i]); |
5099 | cb (EV_A_ EV_ASYNC, asyncs [i]); |
3571 | #endif |
5100 | #endif |
3572 | |
5101 | |
|
|
5102 | #if EV_PREPARE_ENABLE |
3573 | if (types & EV_PREPARE) |
5103 | if (types & EV_PREPARE) |
3574 | for (i = preparecnt; i--; ) |
5104 | for (i = preparecnt; i--; ) |
3575 | #if EV_EMBED_ENABLE |
5105 | # if EV_EMBED_ENABLE |
3576 | if (ev_cb (prepares [i]) != embed_prepare_cb) |
5106 | if (ev_cb (prepares [i]) != embed_prepare_cb) |
3577 | #endif |
5107 | # endif |
3578 | cb (EV_A_ EV_PREPARE, prepares [i]); |
5108 | cb (EV_A_ EV_PREPARE, prepares [i]); |
|
|
5109 | #endif |
3579 | |
5110 | |
|
|
5111 | #if EV_CHECK_ENABLE |
3580 | if (types & EV_CHECK) |
5112 | if (types & EV_CHECK) |
3581 | for (i = checkcnt; i--; ) |
5113 | for (i = checkcnt; i--; ) |
3582 | cb (EV_A_ EV_CHECK, checks [i]); |
5114 | cb (EV_A_ EV_CHECK, checks [i]); |
|
|
5115 | #endif |
3583 | |
5116 | |
|
|
5117 | #if EV_SIGNAL_ENABLE |
3584 | if (types & EV_SIGNAL) |
5118 | if (types & EV_SIGNAL) |
3585 | for (i = 0; i < EV_NSIG - 1; ++i) |
5119 | for (i = 0; i < EV_NSIG - 1; ++i) |
3586 | for (wl = signals [i].head; wl; ) |
5120 | for (wl = signals [i].head; wl; ) |
3587 | { |
5121 | { |
3588 | wn = wl->next; |
5122 | wn = wl->next; |
3589 | cb (EV_A_ EV_SIGNAL, wl); |
5123 | cb (EV_A_ EV_SIGNAL, wl); |
3590 | wl = wn; |
5124 | wl = wn; |
3591 | } |
5125 | } |
|
|
5126 | #endif |
3592 | |
5127 | |
|
|
5128 | #if EV_CHILD_ENABLE |
3593 | if (types & EV_CHILD) |
5129 | if (types & EV_CHILD) |
3594 | for (i = EV_PID_HASHSIZE; i--; ) |
5130 | for (i = (EV_PID_HASHSIZE); i--; ) |
3595 | for (wl = childs [i]; wl; ) |
5131 | for (wl = childs [i]; wl; ) |
3596 | { |
5132 | { |
3597 | wn = wl->next; |
5133 | wn = wl->next; |
3598 | cb (EV_A_ EV_CHILD, wl); |
5134 | cb (EV_A_ EV_CHILD, wl); |
3599 | wl = wn; |
5135 | wl = wn; |
3600 | } |
5136 | } |
|
|
5137 | #endif |
3601 | /* EV_STAT 0x00001000 /* stat data changed */ |
5138 | /* EV_STAT 0x00001000 /* stat data changed */ |
3602 | /* EV_EMBED 0x00010000 /* embedded event loop needs sweep */ |
5139 | /* EV_EMBED 0x00010000 /* embedded event loop needs sweep */ |
3603 | } |
5140 | } |
3604 | #endif |
5141 | #endif |
3605 | |
5142 | |
3606 | #if EV_MULTIPLICITY |
5143 | #if EV_MULTIPLICITY |
3607 | #include "ev_wrap.h" |
5144 | #include "ev_wrap.h" |
3608 | #endif |
5145 | #endif |
3609 | |
5146 | |
3610 | #ifdef __cplusplus |
|
|
3611 | } |
|
|
3612 | #endif |
|
|
3613 | |
|
|