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) 2007,2008,2009,2010,2011,2012 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" |
50 | # endif |
46 | # endif |
|
|
47 | |
|
|
48 | #if HAVE_FLOOR |
|
|
49 | # ifndef EV_USE_FLOOR |
|
|
50 | # define EV_USE_FLOOR 1 |
|
|
51 | # 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 |
55 | # ifndef EV_USE_REALTIME |
57 | # ifndef EV_USE_REALTIME |
… | |
… | |
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 | |
|
|
147 | # if HAVE_SIGNALFD && HAVE_SYS_SIGNALFD_H |
138 | # ifndef EV_USE_EVENTFD |
148 | # ifndef EV_USE_SIGNALFD |
139 | # if HAVE_EVENTFD |
149 | # define EV_USE_SIGNALFD EV_FEATURE_OS |
140 | # define EV_USE_EVENTFD 1 |
|
|
141 | # else |
|
|
142 | # define EV_USE_EVENTFD 0 |
|
|
143 | # endif |
150 | # endif |
|
|
151 | # else |
|
|
152 | # undef EV_USE_SIGNALFD |
|
|
153 | # define EV_USE_SIGNALFD 0 |
|
|
154 | # endif |
|
|
155 | |
|
|
156 | # if HAVE_EVENTFD |
|
|
157 | # ifndef EV_USE_EVENTFD |
|
|
158 | # define EV_USE_EVENTFD EV_FEATURE_OS |
|
|
159 | # endif |
|
|
160 | # else |
|
|
161 | # undef EV_USE_EVENTFD |
|
|
162 | # define EV_USE_EVENTFD 0 |
144 | # endif |
163 | # endif |
145 | |
164 | |
146 | #endif |
165 | #endif |
147 | |
166 | |
148 | #include <math.h> |
|
|
149 | #include <stdlib.h> |
167 | #include <stdlib.h> |
|
|
168 | #include <string.h> |
150 | #include <fcntl.h> |
169 | #include <fcntl.h> |
151 | #include <stddef.h> |
170 | #include <stddef.h> |
152 | |
171 | |
153 | #include <stdio.h> |
172 | #include <stdio.h> |
154 | |
173 | |
155 | #include <assert.h> |
174 | #include <assert.h> |
156 | #include <errno.h> |
175 | #include <errno.h> |
157 | #include <sys/types.h> |
176 | #include <sys/types.h> |
158 | #include <time.h> |
177 | #include <time.h> |
|
|
178 | #include <limits.h> |
159 | |
179 | |
160 | #include <signal.h> |
180 | #include <signal.h> |
161 | |
181 | |
162 | #ifdef EV_H |
182 | #ifdef EV_H |
163 | # include EV_H |
183 | # include EV_H |
164 | #else |
184 | #else |
165 | # include "ev.h" |
185 | # include "ev.h" |
|
|
186 | #endif |
|
|
187 | |
|
|
188 | #if EV_NO_THREADS |
|
|
189 | # undef EV_NO_SMP |
|
|
190 | # define EV_NO_SMP 1 |
|
|
191 | # undef ECB_NO_THREADS |
|
|
192 | # define ECB_NO_THREADS 1 |
|
|
193 | #endif |
|
|
194 | #if EV_NO_SMP |
|
|
195 | # undef EV_NO_SMP |
|
|
196 | # define ECB_NO_SMP 1 |
166 | #endif |
197 | #endif |
167 | |
198 | |
168 | #ifndef _WIN32 |
199 | #ifndef _WIN32 |
169 | # include <sys/time.h> |
200 | # include <sys/time.h> |
170 | # include <sys/wait.h> |
201 | # include <sys/wait.h> |
171 | # include <unistd.h> |
202 | # include <unistd.h> |
172 | #else |
203 | #else |
173 | # include <io.h> |
204 | # include <io.h> |
174 | # define WIN32_LEAN_AND_MEAN |
205 | # define WIN32_LEAN_AND_MEAN |
175 | # include <windows.h> |
206 | # include <windows.h> |
|
|
207 | # include <winsock2.h> |
176 | # ifndef EV_SELECT_IS_WINSOCKET |
208 | # ifndef EV_SELECT_IS_WINSOCKET |
177 | # define EV_SELECT_IS_WINSOCKET 1 |
209 | # define EV_SELECT_IS_WINSOCKET 1 |
178 | # endif |
210 | # endif |
|
|
211 | # undef EV_AVOID_STDIO |
179 | #endif |
212 | #endif |
|
|
213 | |
|
|
214 | /* OS X, in its infinite idiocy, actually HARDCODES |
|
|
215 | * a limit of 1024 into their select. Where people have brains, |
|
|
216 | * OS X engineers apparently have a vacuum. Or maybe they were |
|
|
217 | * ordered to have a vacuum, or they do anything for money. |
|
|
218 | * This might help. Or not. |
|
|
219 | */ |
|
|
220 | #define _DARWIN_UNLIMITED_SELECT 1 |
180 | |
221 | |
181 | /* this block tries to deduce configuration from header-defined symbols and defaults */ |
222 | /* this block tries to deduce configuration from header-defined symbols and defaults */ |
|
|
223 | |
|
|
224 | /* try to deduce the maximum number of signals on this platform */ |
|
|
225 | #if defined EV_NSIG |
|
|
226 | /* use what's provided */ |
|
|
227 | #elif defined NSIG |
|
|
228 | # define EV_NSIG (NSIG) |
|
|
229 | #elif defined _NSIG |
|
|
230 | # define EV_NSIG (_NSIG) |
|
|
231 | #elif defined SIGMAX |
|
|
232 | # define EV_NSIG (SIGMAX+1) |
|
|
233 | #elif defined SIG_MAX |
|
|
234 | # define EV_NSIG (SIG_MAX+1) |
|
|
235 | #elif defined _SIG_MAX |
|
|
236 | # define EV_NSIG (_SIG_MAX+1) |
|
|
237 | #elif defined MAXSIG |
|
|
238 | # define EV_NSIG (MAXSIG+1) |
|
|
239 | #elif defined MAX_SIG |
|
|
240 | # define EV_NSIG (MAX_SIG+1) |
|
|
241 | #elif defined SIGARRAYSIZE |
|
|
242 | # define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */ |
|
|
243 | #elif defined _sys_nsig |
|
|
244 | # define EV_NSIG (_sys_nsig) /* Solaris 2.5 */ |
|
|
245 | #else |
|
|
246 | # error "unable to find value for NSIG, please report" |
|
|
247 | /* to make it compile regardless, just remove the above line, */ |
|
|
248 | /* but consider reporting it, too! :) */ |
|
|
249 | # define EV_NSIG 65 |
|
|
250 | #endif |
|
|
251 | |
|
|
252 | #ifndef EV_USE_FLOOR |
|
|
253 | # define EV_USE_FLOOR 0 |
|
|
254 | #endif |
182 | |
255 | |
183 | #ifndef EV_USE_CLOCK_SYSCALL |
256 | #ifndef EV_USE_CLOCK_SYSCALL |
184 | # if __linux && __GLIBC__ >= 2 |
257 | # if __linux && __GLIBC__ >= 2 |
185 | # define EV_USE_CLOCK_SYSCALL 1 |
258 | # define EV_USE_CLOCK_SYSCALL EV_FEATURE_OS |
186 | # else |
259 | # else |
187 | # define EV_USE_CLOCK_SYSCALL 0 |
260 | # define EV_USE_CLOCK_SYSCALL 0 |
188 | # endif |
261 | # endif |
189 | #endif |
262 | #endif |
190 | |
263 | |
191 | #ifndef EV_USE_MONOTONIC |
264 | #ifndef EV_USE_MONOTONIC |
192 | # if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0 |
265 | # if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0 |
193 | # define EV_USE_MONOTONIC 1 |
266 | # define EV_USE_MONOTONIC EV_FEATURE_OS |
194 | # else |
267 | # else |
195 | # define EV_USE_MONOTONIC 0 |
268 | # define EV_USE_MONOTONIC 0 |
196 | # endif |
269 | # endif |
197 | #endif |
270 | #endif |
198 | |
271 | |
… | |
… | |
200 | # define EV_USE_REALTIME !EV_USE_CLOCK_SYSCALL |
273 | # define EV_USE_REALTIME !EV_USE_CLOCK_SYSCALL |
201 | #endif |
274 | #endif |
202 | |
275 | |
203 | #ifndef EV_USE_NANOSLEEP |
276 | #ifndef EV_USE_NANOSLEEP |
204 | # if _POSIX_C_SOURCE >= 199309L |
277 | # if _POSIX_C_SOURCE >= 199309L |
205 | # define EV_USE_NANOSLEEP 1 |
278 | # define EV_USE_NANOSLEEP EV_FEATURE_OS |
206 | # else |
279 | # else |
207 | # define EV_USE_NANOSLEEP 0 |
280 | # define EV_USE_NANOSLEEP 0 |
208 | # endif |
281 | # endif |
209 | #endif |
282 | #endif |
210 | |
283 | |
211 | #ifndef EV_USE_SELECT |
284 | #ifndef EV_USE_SELECT |
212 | # define EV_USE_SELECT 1 |
285 | # define EV_USE_SELECT EV_FEATURE_BACKENDS |
213 | #endif |
286 | #endif |
214 | |
287 | |
215 | #ifndef EV_USE_POLL |
288 | #ifndef EV_USE_POLL |
216 | # ifdef _WIN32 |
289 | # ifdef _WIN32 |
217 | # define EV_USE_POLL 0 |
290 | # define EV_USE_POLL 0 |
218 | # else |
291 | # else |
219 | # define EV_USE_POLL 1 |
292 | # define EV_USE_POLL EV_FEATURE_BACKENDS |
220 | # endif |
293 | # endif |
221 | #endif |
294 | #endif |
222 | |
295 | |
223 | #ifndef EV_USE_EPOLL |
296 | #ifndef EV_USE_EPOLL |
224 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
297 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
225 | # define EV_USE_EPOLL 1 |
298 | # define EV_USE_EPOLL EV_FEATURE_BACKENDS |
226 | # else |
299 | # else |
227 | # define EV_USE_EPOLL 0 |
300 | # define EV_USE_EPOLL 0 |
228 | # endif |
301 | # endif |
229 | #endif |
302 | #endif |
230 | |
303 | |
… | |
… | |
236 | # define EV_USE_PORT 0 |
309 | # define EV_USE_PORT 0 |
237 | #endif |
310 | #endif |
238 | |
311 | |
239 | #ifndef EV_USE_INOTIFY |
312 | #ifndef EV_USE_INOTIFY |
240 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
313 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
241 | # define EV_USE_INOTIFY 1 |
314 | # define EV_USE_INOTIFY EV_FEATURE_OS |
242 | # else |
315 | # else |
243 | # define EV_USE_INOTIFY 0 |
316 | # define EV_USE_INOTIFY 0 |
244 | # endif |
317 | # endif |
245 | #endif |
318 | #endif |
246 | |
319 | |
247 | #ifndef EV_PID_HASHSIZE |
320 | #ifndef EV_PID_HASHSIZE |
248 | # if EV_MINIMAL |
321 | # define EV_PID_HASHSIZE EV_FEATURE_DATA ? 16 : 1 |
249 | # define EV_PID_HASHSIZE 1 |
|
|
250 | # else |
|
|
251 | # define EV_PID_HASHSIZE 16 |
|
|
252 | # endif |
|
|
253 | #endif |
322 | #endif |
254 | |
323 | |
255 | #ifndef EV_INOTIFY_HASHSIZE |
324 | #ifndef EV_INOTIFY_HASHSIZE |
256 | # if EV_MINIMAL |
325 | # define EV_INOTIFY_HASHSIZE EV_FEATURE_DATA ? 16 : 1 |
257 | # define EV_INOTIFY_HASHSIZE 1 |
|
|
258 | # else |
|
|
259 | # define EV_INOTIFY_HASHSIZE 16 |
|
|
260 | # endif |
|
|
261 | #endif |
326 | #endif |
262 | |
327 | |
263 | #ifndef EV_USE_EVENTFD |
328 | #ifndef EV_USE_EVENTFD |
264 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
329 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
265 | # define EV_USE_EVENTFD 1 |
330 | # define EV_USE_EVENTFD EV_FEATURE_OS |
266 | # else |
331 | # else |
267 | # define EV_USE_EVENTFD 0 |
332 | # define EV_USE_EVENTFD 0 |
|
|
333 | # endif |
|
|
334 | #endif |
|
|
335 | |
|
|
336 | #ifndef EV_USE_SIGNALFD |
|
|
337 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
|
|
338 | # define EV_USE_SIGNALFD EV_FEATURE_OS |
|
|
339 | # else |
|
|
340 | # define EV_USE_SIGNALFD 0 |
268 | # endif |
341 | # endif |
269 | #endif |
342 | #endif |
270 | |
343 | |
271 | #if 0 /* debugging */ |
344 | #if 0 /* debugging */ |
272 | # define EV_VERIFY 3 |
345 | # define EV_VERIFY 3 |
273 | # define EV_USE_4HEAP 1 |
346 | # define EV_USE_4HEAP 1 |
274 | # define EV_HEAP_CACHE_AT 1 |
347 | # define EV_HEAP_CACHE_AT 1 |
275 | #endif |
348 | #endif |
276 | |
349 | |
277 | #ifndef EV_VERIFY |
350 | #ifndef EV_VERIFY |
278 | # define EV_VERIFY !EV_MINIMAL |
351 | # define EV_VERIFY (EV_FEATURE_API ? 1 : 0) |
279 | #endif |
352 | #endif |
280 | |
353 | |
281 | #ifndef EV_USE_4HEAP |
354 | #ifndef EV_USE_4HEAP |
282 | # define EV_USE_4HEAP !EV_MINIMAL |
355 | # define EV_USE_4HEAP EV_FEATURE_DATA |
283 | #endif |
356 | #endif |
284 | |
357 | |
285 | #ifndef EV_HEAP_CACHE_AT |
358 | #ifndef EV_HEAP_CACHE_AT |
286 | # define EV_HEAP_CACHE_AT !EV_MINIMAL |
359 | # define EV_HEAP_CACHE_AT EV_FEATURE_DATA |
287 | #endif |
360 | #endif |
288 | |
361 | |
289 | /* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */ |
362 | /* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */ |
290 | /* which makes programs even slower. might work on other unices, too. */ |
363 | /* which makes programs even slower. might work on other unices, too. */ |
291 | #if EV_USE_CLOCK_SYSCALL |
364 | #if EV_USE_CLOCK_SYSCALL |
292 | # include <syscall.h> |
365 | # include <sys/syscall.h> |
293 | # ifdef SYS_clock_gettime |
366 | # ifdef SYS_clock_gettime |
294 | # define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) |
367 | # define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) |
295 | # undef EV_USE_MONOTONIC |
368 | # undef EV_USE_MONOTONIC |
296 | # define EV_USE_MONOTONIC 1 |
369 | # define EV_USE_MONOTONIC 1 |
297 | # else |
370 | # else |
… | |
… | |
300 | # endif |
373 | # endif |
301 | #endif |
374 | #endif |
302 | |
375 | |
303 | /* this block fixes any misconfiguration where we know we run into trouble otherwise */ |
376 | /* this block fixes any misconfiguration where we know we run into trouble otherwise */ |
304 | |
377 | |
|
|
378 | #ifdef _AIX |
|
|
379 | /* AIX has a completely broken poll.h header */ |
|
|
380 | # undef EV_USE_POLL |
|
|
381 | # define EV_USE_POLL 0 |
|
|
382 | #endif |
|
|
383 | |
305 | #ifndef CLOCK_MONOTONIC |
384 | #ifndef CLOCK_MONOTONIC |
306 | # undef EV_USE_MONOTONIC |
385 | # undef EV_USE_MONOTONIC |
307 | # define EV_USE_MONOTONIC 0 |
386 | # define EV_USE_MONOTONIC 0 |
308 | #endif |
387 | #endif |
309 | |
388 | |
… | |
… | |
316 | # undef EV_USE_INOTIFY |
395 | # undef EV_USE_INOTIFY |
317 | # define EV_USE_INOTIFY 0 |
396 | # define EV_USE_INOTIFY 0 |
318 | #endif |
397 | #endif |
319 | |
398 | |
320 | #if !EV_USE_NANOSLEEP |
399 | #if !EV_USE_NANOSLEEP |
321 | # ifndef _WIN32 |
400 | /* hp-ux has it in sys/time.h, which we unconditionally include above */ |
|
|
401 | # if !defined _WIN32 && !defined __hpux |
322 | # include <sys/select.h> |
402 | # include <sys/select.h> |
323 | # endif |
403 | # endif |
324 | #endif |
404 | #endif |
325 | |
405 | |
326 | #if EV_USE_INOTIFY |
406 | #if EV_USE_INOTIFY |
327 | # include <sys/utsname.h> |
|
|
328 | # include <sys/statfs.h> |
407 | # include <sys/statfs.h> |
329 | # include <sys/inotify.h> |
408 | # include <sys/inotify.h> |
330 | /* some very old inotify.h headers don't have IN_DONT_FOLLOW */ |
409 | /* some very old inotify.h headers don't have IN_DONT_FOLLOW */ |
331 | # ifndef IN_DONT_FOLLOW |
410 | # ifndef IN_DONT_FOLLOW |
332 | # undef EV_USE_INOTIFY |
411 | # undef EV_USE_INOTIFY |
… | |
… | |
339 | #endif |
418 | #endif |
340 | |
419 | |
341 | #if EV_USE_EVENTFD |
420 | #if EV_USE_EVENTFD |
342 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
421 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
343 | # include <stdint.h> |
422 | # include <stdint.h> |
344 | # ifdef __cplusplus |
423 | # ifndef EFD_NONBLOCK |
345 | extern "C" { |
424 | # define EFD_NONBLOCK O_NONBLOCK |
346 | # endif |
425 | # endif |
347 | int eventfd (unsigned int initval, int flags); |
426 | # ifndef EFD_CLOEXEC |
348 | # ifdef __cplusplus |
427 | # ifdef O_CLOEXEC |
349 | } |
428 | # define EFD_CLOEXEC O_CLOEXEC |
|
|
429 | # else |
|
|
430 | # define EFD_CLOEXEC 02000000 |
|
|
431 | # endif |
350 | # endif |
432 | # endif |
|
|
433 | EV_CPP(extern "C") int (eventfd) (unsigned int initval, int flags); |
|
|
434 | #endif |
|
|
435 | |
|
|
436 | #if EV_USE_SIGNALFD |
|
|
437 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
|
|
438 | # include <stdint.h> |
|
|
439 | # ifndef SFD_NONBLOCK |
|
|
440 | # define SFD_NONBLOCK O_NONBLOCK |
|
|
441 | # endif |
|
|
442 | # ifndef SFD_CLOEXEC |
|
|
443 | # ifdef O_CLOEXEC |
|
|
444 | # define SFD_CLOEXEC O_CLOEXEC |
|
|
445 | # else |
|
|
446 | # define SFD_CLOEXEC 02000000 |
|
|
447 | # endif |
|
|
448 | # endif |
|
|
449 | EV_CPP (extern "C") int signalfd (int fd, const sigset_t *mask, int flags); |
|
|
450 | |
|
|
451 | struct signalfd_siginfo |
|
|
452 | { |
|
|
453 | uint32_t ssi_signo; |
|
|
454 | char pad[128 - sizeof (uint32_t)]; |
|
|
455 | }; |
351 | #endif |
456 | #endif |
352 | |
457 | |
353 | /**/ |
458 | /**/ |
354 | |
459 | |
355 | #if EV_VERIFY >= 3 |
460 | #if EV_VERIFY >= 3 |
356 | # define EV_FREQUENT_CHECK ev_loop_verify (EV_A) |
461 | # define EV_FREQUENT_CHECK ev_verify (EV_A) |
357 | #else |
462 | #else |
358 | # define EV_FREQUENT_CHECK do { } while (0) |
463 | # define EV_FREQUENT_CHECK do { } while (0) |
359 | #endif |
464 | #endif |
360 | |
465 | |
361 | /* |
466 | /* |
362 | * This is used to avoid floating point rounding problems. |
467 | * This is used to work around floating point rounding problems. |
363 | * It is added to ev_rt_now when scheduling periodics |
|
|
364 | * to ensure progress, time-wise, even when rounding |
|
|
365 | * errors are against us. |
|
|
366 | * This value is good at least till the year 4000. |
468 | * This value is good at least till the year 4000. |
367 | * Better solutions welcome. |
|
|
368 | */ |
469 | */ |
369 | #define TIME_EPSILON 0.0001220703125 /* 1/8192 */ |
470 | #define MIN_INTERVAL 0.0001220703125 /* 1/2**13, good till 4000 */ |
|
|
471 | /*#define MIN_INTERVAL 0.00000095367431640625 /* 1/2**20, good till 2200 */ |
370 | |
472 | |
371 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
473 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
372 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
474 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
373 | /*#define CLEANUP_INTERVAL (MAX_BLOCKTIME * 5.) /* how often to try to free memory and re-check fds, TODO */ |
|
|
374 | |
475 | |
|
|
476 | #define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } while (0) |
|
|
477 | #define EV_TS_SET(ts,t) do { ts.tv_sec = (long)t; ts.tv_nsec = (long)((t - ts.tv_sec) * 1e9); } while (0) |
|
|
478 | |
|
|
479 | /* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */ |
|
|
480 | /* ECB.H BEGIN */ |
|
|
481 | /* |
|
|
482 | * libecb - http://software.schmorp.de/pkg/libecb |
|
|
483 | * |
|
|
484 | * Copyright (©) 2009-2012 Marc Alexander Lehmann <libecb@schmorp.de> |
|
|
485 | * Copyright (©) 2011 Emanuele Giaquinta |
|
|
486 | * All rights reserved. |
|
|
487 | * |
|
|
488 | * Redistribution and use in source and binary forms, with or without modifica- |
|
|
489 | * tion, are permitted provided that the following conditions are met: |
|
|
490 | * |
|
|
491 | * 1. Redistributions of source code must retain the above copyright notice, |
|
|
492 | * this list of conditions and the following disclaimer. |
|
|
493 | * |
|
|
494 | * 2. Redistributions in binary form must reproduce the above copyright |
|
|
495 | * notice, this list of conditions and the following disclaimer in the |
|
|
496 | * documentation and/or other materials provided with the distribution. |
|
|
497 | * |
|
|
498 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED |
|
|
499 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER- |
|
|
500 | * CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO |
|
|
501 | * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE- |
|
|
502 | * CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
|
|
503 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
|
|
504 | * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
|
|
505 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH- |
|
|
506 | * ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
|
|
507 | * OF THE POSSIBILITY OF SUCH DAMAGE. |
|
|
508 | */ |
|
|
509 | |
|
|
510 | #ifndef ECB_H |
|
|
511 | #define ECB_H |
|
|
512 | |
|
|
513 | #ifdef _WIN32 |
|
|
514 | typedef signed char int8_t; |
|
|
515 | typedef unsigned char uint8_t; |
|
|
516 | typedef signed short int16_t; |
|
|
517 | typedef unsigned short uint16_t; |
|
|
518 | typedef signed int int32_t; |
|
|
519 | typedef unsigned int uint32_t; |
375 | #if __GNUC__ >= 4 |
520 | #if __GNUC__ |
376 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
521 | typedef signed long long int64_t; |
377 | # define noinline __attribute__ ((noinline)) |
522 | typedef unsigned long long uint64_t; |
|
|
523 | #else /* _MSC_VER || __BORLANDC__ */ |
|
|
524 | typedef signed __int64 int64_t; |
|
|
525 | typedef unsigned __int64 uint64_t; |
|
|
526 | #endif |
378 | #else |
527 | #else |
379 | # define expect(expr,value) (expr) |
528 | #include <inttypes.h> |
380 | # define noinline |
|
|
381 | # if __STDC_VERSION__ < 199901L && __GNUC__ < 2 |
|
|
382 | # define inline |
|
|
383 | # endif |
529 | #endif |
|
|
530 | |
|
|
531 | /* many compilers define _GNUC_ to some versions but then only implement |
|
|
532 | * what their idiot authors think are the "more important" extensions, |
|
|
533 | * causing enormous grief in return for some better fake benchmark numbers. |
|
|
534 | * or so. |
|
|
535 | * we try to detect these and simply assume they are not gcc - if they have |
|
|
536 | * an issue with that they should have done it right in the first place. |
|
|
537 | */ |
|
|
538 | #ifndef ECB_GCC_VERSION |
|
|
539 | #if !defined __GNUC_MINOR__ || defined __INTEL_COMPILER || defined __SUNPRO_C || defined __SUNPRO_CC || defined __llvm__ || defined __clang__ |
|
|
540 | #define ECB_GCC_VERSION(major,minor) 0 |
|
|
541 | #else |
|
|
542 | #define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor))) |
384 | #endif |
543 | #endif |
|
|
544 | #endif |
385 | |
545 | |
|
|
546 | /*****************************************************************************/ |
|
|
547 | |
|
|
548 | /* ECB_NO_THREADS - ecb is not used by multiple threads, ever */ |
|
|
549 | /* ECB_NO_SMP - ecb might be used in multiple threads, but only on a single cpu */ |
|
|
550 | |
|
|
551 | #if ECB_NO_THREADS |
|
|
552 | # define ECB_NO_SMP 1 |
|
|
553 | #endif |
|
|
554 | |
|
|
555 | #if ECB_NO_THREADS || ECB_NO_SMP |
|
|
556 | #define ECB_MEMORY_FENCE do { } while (0) |
|
|
557 | #endif |
|
|
558 | |
|
|
559 | #ifndef ECB_MEMORY_FENCE |
|
|
560 | #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
|
|
561 | #if __i386 || __i386__ |
|
|
562 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory") |
|
|
563 | #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE /* non-lock xchg might be enough */ |
|
|
564 | #define ECB_MEMORY_FENCE_RELEASE do { } while (0) /* unlikely to change in future cpus */ |
|
|
565 | #elif __amd64 || __amd64__ || __x86_64 || __x86_64__ |
|
|
566 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory") |
|
|
567 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("lfence" : : : "memory") |
|
|
568 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("sfence") /* play safe - not needed in any current cpu */ |
|
|
569 | #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ |
|
|
570 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") |
|
|
571 | #elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \ |
|
|
572 | || defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__ |
|
|
573 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory") |
|
|
574 | #elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \ |
|
|
575 | || defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__ |
|
|
576 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory") |
|
|
577 | #elif __sparc || __sparc__ |
|
|
578 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad | " : : : "memory") |
|
|
579 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory") |
|
|
580 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore") |
|
|
581 | #elif defined __s390__ || defined __s390x__ |
|
|
582 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory") |
|
|
583 | #elif defined __mips__ |
|
|
584 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") |
|
|
585 | #elif defined __alpha__ |
|
|
586 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mb" : : : "memory") |
|
|
587 | #endif |
|
|
588 | #endif |
|
|
589 | #endif |
|
|
590 | |
|
|
591 | #ifndef ECB_MEMORY_FENCE |
|
|
592 | #if ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__ |
|
|
593 | #define ECB_MEMORY_FENCE __sync_synchronize () |
|
|
594 | /*#define ECB_MEMORY_FENCE_ACQUIRE ({ char dummy = 0; __sync_lock_test_and_set (&dummy, 1); }) */ |
|
|
595 | /*#define ECB_MEMORY_FENCE_RELEASE ({ char dummy = 1; __sync_lock_release (&dummy ); }) */ |
|
|
596 | #elif _MSC_VER >= 1400 /* VC++ 2005 */ |
|
|
597 | #pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier) |
|
|
598 | #define ECB_MEMORY_FENCE _ReadWriteBarrier () |
|
|
599 | #define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */ |
|
|
600 | #define ECB_MEMORY_FENCE_RELEASE _WriteBarrier () |
|
|
601 | #elif defined _WIN32 |
|
|
602 | #include <WinNT.h> |
|
|
603 | #define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */ |
|
|
604 | #elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
|
|
605 | #include <mbarrier.h> |
|
|
606 | #define ECB_MEMORY_FENCE __machine_rw_barrier () |
|
|
607 | #define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier () |
|
|
608 | #define ECB_MEMORY_FENCE_RELEASE __machine_w_barrier () |
|
|
609 | #elif __xlC__ |
|
|
610 | #define ECB_MEMORY_FENCE __sync () |
|
|
611 | #endif |
|
|
612 | #endif |
|
|
613 | |
|
|
614 | #ifndef ECB_MEMORY_FENCE |
|
|
615 | #if !ECB_AVOID_PTHREADS |
|
|
616 | /* |
|
|
617 | * if you get undefined symbol references to pthread_mutex_lock, |
|
|
618 | * or failure to find pthread.h, then you should implement |
|
|
619 | * the ECB_MEMORY_FENCE operations for your cpu/compiler |
|
|
620 | * OR provide pthread.h and link against the posix thread library |
|
|
621 | * of your system. |
|
|
622 | */ |
|
|
623 | #include <pthread.h> |
|
|
624 | #define ECB_NEEDS_PTHREADS 1 |
|
|
625 | #define ECB_MEMORY_FENCE_NEEDS_PTHREADS 1 |
|
|
626 | |
|
|
627 | static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER; |
|
|
628 | #define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0) |
|
|
629 | #endif |
|
|
630 | #endif |
|
|
631 | |
|
|
632 | #if !defined ECB_MEMORY_FENCE_ACQUIRE && defined ECB_MEMORY_FENCE |
|
|
633 | #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE |
|
|
634 | #endif |
|
|
635 | |
|
|
636 | #if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE |
|
|
637 | #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
|
|
638 | #endif |
|
|
639 | |
|
|
640 | /*****************************************************************************/ |
|
|
641 | |
|
|
642 | #define ECB_C99 (__STDC_VERSION__ >= 199901L) |
|
|
643 | |
|
|
644 | #if __cplusplus |
|
|
645 | #define ecb_inline static inline |
|
|
646 | #elif ECB_GCC_VERSION(2,5) |
|
|
647 | #define ecb_inline static __inline__ |
|
|
648 | #elif ECB_C99 |
|
|
649 | #define ecb_inline static inline |
|
|
650 | #else |
|
|
651 | #define ecb_inline static |
|
|
652 | #endif |
|
|
653 | |
|
|
654 | #if ECB_GCC_VERSION(3,3) |
|
|
655 | #define ecb_restrict __restrict__ |
|
|
656 | #elif ECB_C99 |
|
|
657 | #define ecb_restrict restrict |
|
|
658 | #else |
|
|
659 | #define ecb_restrict |
|
|
660 | #endif |
|
|
661 | |
|
|
662 | typedef int ecb_bool; |
|
|
663 | |
|
|
664 | #define ECB_CONCAT_(a, b) a ## b |
|
|
665 | #define ECB_CONCAT(a, b) ECB_CONCAT_(a, b) |
|
|
666 | #define ECB_STRINGIFY_(a) # a |
|
|
667 | #define ECB_STRINGIFY(a) ECB_STRINGIFY_(a) |
|
|
668 | |
|
|
669 | #define ecb_function_ ecb_inline |
|
|
670 | |
|
|
671 | #if ECB_GCC_VERSION(3,1) |
|
|
672 | #define ecb_attribute(attrlist) __attribute__(attrlist) |
|
|
673 | #define ecb_is_constant(expr) __builtin_constant_p (expr) |
|
|
674 | #define ecb_expect(expr,value) __builtin_expect ((expr),(value)) |
|
|
675 | #define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality) |
|
|
676 | #else |
|
|
677 | #define ecb_attribute(attrlist) |
|
|
678 | #define ecb_is_constant(expr) 0 |
|
|
679 | #define ecb_expect(expr,value) (expr) |
|
|
680 | #define ecb_prefetch(addr,rw,locality) |
|
|
681 | #endif |
|
|
682 | |
|
|
683 | /* no emulation for ecb_decltype */ |
|
|
684 | #if ECB_GCC_VERSION(4,5) |
|
|
685 | #define ecb_decltype(x) __decltype(x) |
|
|
686 | #elif ECB_GCC_VERSION(3,0) |
|
|
687 | #define ecb_decltype(x) __typeof(x) |
|
|
688 | #endif |
|
|
689 | |
|
|
690 | #define ecb_noinline ecb_attribute ((__noinline__)) |
|
|
691 | #define ecb_noreturn ecb_attribute ((__noreturn__)) |
|
|
692 | #define ecb_unused ecb_attribute ((__unused__)) |
|
|
693 | #define ecb_const ecb_attribute ((__const__)) |
|
|
694 | #define ecb_pure ecb_attribute ((__pure__)) |
|
|
695 | |
|
|
696 | #if ECB_GCC_VERSION(4,3) |
|
|
697 | #define ecb_artificial ecb_attribute ((__artificial__)) |
|
|
698 | #define ecb_hot ecb_attribute ((__hot__)) |
|
|
699 | #define ecb_cold ecb_attribute ((__cold__)) |
|
|
700 | #else |
|
|
701 | #define ecb_artificial |
|
|
702 | #define ecb_hot |
|
|
703 | #define ecb_cold |
|
|
704 | #endif |
|
|
705 | |
|
|
706 | /* put around conditional expressions if you are very sure that the */ |
|
|
707 | /* expression is mostly true or mostly false. note that these return */ |
|
|
708 | /* booleans, not the expression. */ |
386 | #define expect_false(expr) expect ((expr) != 0, 0) |
709 | #define ecb_expect_false(expr) ecb_expect (!!(expr), 0) |
387 | #define expect_true(expr) expect ((expr) != 0, 1) |
710 | #define ecb_expect_true(expr) ecb_expect (!!(expr), 1) |
|
|
711 | /* for compatibility to the rest of the world */ |
|
|
712 | #define ecb_likely(expr) ecb_expect_true (expr) |
|
|
713 | #define ecb_unlikely(expr) ecb_expect_false (expr) |
|
|
714 | |
|
|
715 | /* count trailing zero bits and count # of one bits */ |
|
|
716 | #if ECB_GCC_VERSION(3,4) |
|
|
717 | /* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */ |
|
|
718 | #define ecb_ld32(x) (__builtin_clz (x) ^ 31) |
|
|
719 | #define ecb_ld64(x) (__builtin_clzll (x) ^ 63) |
|
|
720 | #define ecb_ctz32(x) __builtin_ctz (x) |
|
|
721 | #define ecb_ctz64(x) __builtin_ctzll (x) |
|
|
722 | #define ecb_popcount32(x) __builtin_popcount (x) |
|
|
723 | /* no popcountll */ |
|
|
724 | #else |
|
|
725 | ecb_function_ int ecb_ctz32 (uint32_t x) ecb_const; |
|
|
726 | ecb_function_ int |
|
|
727 | ecb_ctz32 (uint32_t x) |
|
|
728 | { |
|
|
729 | int r = 0; |
|
|
730 | |
|
|
731 | x &= ~x + 1; /* this isolates the lowest bit */ |
|
|
732 | |
|
|
733 | #if ECB_branchless_on_i386 |
|
|
734 | r += !!(x & 0xaaaaaaaa) << 0; |
|
|
735 | r += !!(x & 0xcccccccc) << 1; |
|
|
736 | r += !!(x & 0xf0f0f0f0) << 2; |
|
|
737 | r += !!(x & 0xff00ff00) << 3; |
|
|
738 | r += !!(x & 0xffff0000) << 4; |
|
|
739 | #else |
|
|
740 | if (x & 0xaaaaaaaa) r += 1; |
|
|
741 | if (x & 0xcccccccc) r += 2; |
|
|
742 | if (x & 0xf0f0f0f0) r += 4; |
|
|
743 | if (x & 0xff00ff00) r += 8; |
|
|
744 | if (x & 0xffff0000) r += 16; |
|
|
745 | #endif |
|
|
746 | |
|
|
747 | return r; |
|
|
748 | } |
|
|
749 | |
|
|
750 | ecb_function_ int ecb_ctz64 (uint64_t x) ecb_const; |
|
|
751 | ecb_function_ int |
|
|
752 | ecb_ctz64 (uint64_t x) |
|
|
753 | { |
|
|
754 | int shift = x & 0xffffffffU ? 0 : 32; |
|
|
755 | return ecb_ctz32 (x >> shift) + shift; |
|
|
756 | } |
|
|
757 | |
|
|
758 | ecb_function_ int ecb_popcount32 (uint32_t x) ecb_const; |
|
|
759 | ecb_function_ int |
|
|
760 | ecb_popcount32 (uint32_t x) |
|
|
761 | { |
|
|
762 | x -= (x >> 1) & 0x55555555; |
|
|
763 | x = ((x >> 2) & 0x33333333) + (x & 0x33333333); |
|
|
764 | x = ((x >> 4) + x) & 0x0f0f0f0f; |
|
|
765 | x *= 0x01010101; |
|
|
766 | |
|
|
767 | return x >> 24; |
|
|
768 | } |
|
|
769 | |
|
|
770 | ecb_function_ int ecb_ld32 (uint32_t x) ecb_const; |
|
|
771 | ecb_function_ int ecb_ld32 (uint32_t x) |
|
|
772 | { |
|
|
773 | int r = 0; |
|
|
774 | |
|
|
775 | if (x >> 16) { x >>= 16; r += 16; } |
|
|
776 | if (x >> 8) { x >>= 8; r += 8; } |
|
|
777 | if (x >> 4) { x >>= 4; r += 4; } |
|
|
778 | if (x >> 2) { x >>= 2; r += 2; } |
|
|
779 | if (x >> 1) { r += 1; } |
|
|
780 | |
|
|
781 | return r; |
|
|
782 | } |
|
|
783 | |
|
|
784 | ecb_function_ int ecb_ld64 (uint64_t x) ecb_const; |
|
|
785 | ecb_function_ int ecb_ld64 (uint64_t x) |
|
|
786 | { |
|
|
787 | int r = 0; |
|
|
788 | |
|
|
789 | if (x >> 32) { x >>= 32; r += 32; } |
|
|
790 | |
|
|
791 | return r + ecb_ld32 (x); |
|
|
792 | } |
|
|
793 | #endif |
|
|
794 | |
|
|
795 | ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) ecb_const; |
|
|
796 | ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) |
|
|
797 | { |
|
|
798 | return ( (x * 0x0802U & 0x22110U) |
|
|
799 | | (x * 0x8020U & 0x88440U)) * 0x10101U >> 16; |
|
|
800 | } |
|
|
801 | |
|
|
802 | ecb_function_ uint16_t ecb_bitrev16 (uint16_t x) ecb_const; |
|
|
803 | ecb_function_ uint16_t ecb_bitrev16 (uint16_t x) |
|
|
804 | { |
|
|
805 | x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1); |
|
|
806 | x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2); |
|
|
807 | x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4); |
|
|
808 | x = ( x >> 8 ) | ( x << 8); |
|
|
809 | |
|
|
810 | return x; |
|
|
811 | } |
|
|
812 | |
|
|
813 | ecb_function_ uint32_t ecb_bitrev32 (uint32_t x) ecb_const; |
|
|
814 | ecb_function_ uint32_t ecb_bitrev32 (uint32_t x) |
|
|
815 | { |
|
|
816 | x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1); |
|
|
817 | x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2); |
|
|
818 | x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4); |
|
|
819 | x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8); |
|
|
820 | x = ( x >> 16 ) | ( x << 16); |
|
|
821 | |
|
|
822 | return x; |
|
|
823 | } |
|
|
824 | |
|
|
825 | /* popcount64 is only available on 64 bit cpus as gcc builtin */ |
|
|
826 | /* so for this version we are lazy */ |
|
|
827 | ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const; |
|
|
828 | ecb_function_ int |
|
|
829 | ecb_popcount64 (uint64_t x) |
|
|
830 | { |
|
|
831 | return ecb_popcount32 (x) + ecb_popcount32 (x >> 32); |
|
|
832 | } |
|
|
833 | |
|
|
834 | ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) ecb_const; |
|
|
835 | ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) ecb_const; |
|
|
836 | ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) ecb_const; |
|
|
837 | ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) ecb_const; |
|
|
838 | ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) ecb_const; |
|
|
839 | ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) ecb_const; |
|
|
840 | ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) ecb_const; |
|
|
841 | ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) ecb_const; |
|
|
842 | |
|
|
843 | ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); } |
|
|
844 | ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) { return (x << ( 8 - count)) | (x >> count); } |
|
|
845 | ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)) | (x << count); } |
|
|
846 | ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)) | (x >> count); } |
|
|
847 | ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); } |
|
|
848 | ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); } |
|
|
849 | ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); } |
|
|
850 | ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); } |
|
|
851 | |
|
|
852 | #if ECB_GCC_VERSION(4,3) |
|
|
853 | #define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16) |
|
|
854 | #define ecb_bswap32(x) __builtin_bswap32 (x) |
|
|
855 | #define ecb_bswap64(x) __builtin_bswap64 (x) |
|
|
856 | #else |
|
|
857 | ecb_function_ uint16_t ecb_bswap16 (uint16_t x) ecb_const; |
|
|
858 | ecb_function_ uint16_t |
|
|
859 | ecb_bswap16 (uint16_t x) |
|
|
860 | { |
|
|
861 | return ecb_rotl16 (x, 8); |
|
|
862 | } |
|
|
863 | |
|
|
864 | ecb_function_ uint32_t ecb_bswap32 (uint32_t x) ecb_const; |
|
|
865 | ecb_function_ uint32_t |
|
|
866 | ecb_bswap32 (uint32_t x) |
|
|
867 | { |
|
|
868 | return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16); |
|
|
869 | } |
|
|
870 | |
|
|
871 | ecb_function_ uint64_t ecb_bswap64 (uint64_t x) ecb_const; |
|
|
872 | ecb_function_ uint64_t |
|
|
873 | ecb_bswap64 (uint64_t x) |
|
|
874 | { |
|
|
875 | return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32); |
|
|
876 | } |
|
|
877 | #endif |
|
|
878 | |
|
|
879 | #if ECB_GCC_VERSION(4,5) |
|
|
880 | #define ecb_unreachable() __builtin_unreachable () |
|
|
881 | #else |
|
|
882 | /* this seems to work fine, but gcc always emits a warning for it :/ */ |
|
|
883 | ecb_inline void ecb_unreachable (void) ecb_noreturn; |
|
|
884 | ecb_inline void ecb_unreachable (void) { } |
|
|
885 | #endif |
|
|
886 | |
|
|
887 | /* try to tell the compiler that some condition is definitely true */ |
|
|
888 | #define ecb_assume(cond) do { if (!(cond)) ecb_unreachable (); } while (0) |
|
|
889 | |
|
|
890 | ecb_inline unsigned char ecb_byteorder_helper (void) ecb_const; |
|
|
891 | ecb_inline unsigned char |
|
|
892 | ecb_byteorder_helper (void) |
|
|
893 | { |
|
|
894 | const uint32_t u = 0x11223344; |
|
|
895 | return *(unsigned char *)&u; |
|
|
896 | } |
|
|
897 | |
|
|
898 | ecb_inline ecb_bool ecb_big_endian (void) ecb_const; |
|
|
899 | ecb_inline ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; } |
|
|
900 | ecb_inline ecb_bool ecb_little_endian (void) ecb_const; |
|
|
901 | ecb_inline ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; } |
|
|
902 | |
|
|
903 | #if ECB_GCC_VERSION(3,0) || ECB_C99 |
|
|
904 | #define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0)) |
|
|
905 | #else |
|
|
906 | #define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n))) |
|
|
907 | #endif |
|
|
908 | |
|
|
909 | #if __cplusplus |
|
|
910 | template<typename T> |
|
|
911 | static inline T ecb_div_rd (T val, T div) |
|
|
912 | { |
|
|
913 | return val < 0 ? - ((-val + div - 1) / div) : (val ) / div; |
|
|
914 | } |
|
|
915 | template<typename T> |
|
|
916 | static inline T ecb_div_ru (T val, T div) |
|
|
917 | { |
|
|
918 | return val < 0 ? - ((-val ) / div) : (val + div - 1) / div; |
|
|
919 | } |
|
|
920 | #else |
|
|
921 | #define ecb_div_rd(val,div) ((val) < 0 ? - ((-(val) + (div) - 1) / (div)) : ((val) ) / (div)) |
|
|
922 | #define ecb_div_ru(val,div) ((val) < 0 ? - ((-(val) ) / (div)) : ((val) + (div) - 1) / (div)) |
|
|
923 | #endif |
|
|
924 | |
|
|
925 | #if ecb_cplusplus_does_not_suck |
|
|
926 | /* does not work for local types (http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2657.htm) */ |
|
|
927 | template<typename T, int N> |
|
|
928 | static inline int ecb_array_length (const T (&arr)[N]) |
|
|
929 | { |
|
|
930 | return N; |
|
|
931 | } |
|
|
932 | #else |
|
|
933 | #define ecb_array_length(name) (sizeof (name) / sizeof (name [0])) |
|
|
934 | #endif |
|
|
935 | |
|
|
936 | #endif |
|
|
937 | |
|
|
938 | /* ECB.H END */ |
|
|
939 | |
|
|
940 | #if ECB_MEMORY_FENCE_NEEDS_PTHREADS |
|
|
941 | /* if your architecture doesn't need memory fences, e.g. because it is |
|
|
942 | * single-cpu/core, or if you use libev in a project that doesn't use libev |
|
|
943 | * from multiple threads, then you can define ECB_AVOID_PTHREADS when compiling |
|
|
944 | * libev, in which cases the memory fences become nops. |
|
|
945 | * alternatively, you can remove this #error and link against libpthread, |
|
|
946 | * which will then provide the memory fences. |
|
|
947 | */ |
|
|
948 | # error "memory fences not defined for your architecture, please report" |
|
|
949 | #endif |
|
|
950 | |
|
|
951 | #ifndef ECB_MEMORY_FENCE |
|
|
952 | # define ECB_MEMORY_FENCE do { } while (0) |
|
|
953 | # define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE |
|
|
954 | # define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
|
|
955 | #endif |
|
|
956 | |
|
|
957 | #define expect_false(cond) ecb_expect_false (cond) |
|
|
958 | #define expect_true(cond) ecb_expect_true (cond) |
|
|
959 | #define noinline ecb_noinline |
|
|
960 | |
388 | #define inline_size static inline |
961 | #define inline_size ecb_inline |
389 | |
962 | |
390 | #if EV_MINIMAL |
963 | #if EV_FEATURE_CODE |
|
|
964 | # define inline_speed ecb_inline |
|
|
965 | #else |
391 | # define inline_speed static noinline |
966 | # define inline_speed static noinline |
392 | #else |
|
|
393 | # define inline_speed static inline |
|
|
394 | #endif |
967 | #endif |
395 | |
968 | |
396 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
969 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
397 | |
970 | |
398 | #if EV_MINPRI == EV_MAXPRI |
971 | #if EV_MINPRI == EV_MAXPRI |
… | |
… | |
411 | #define ev_active(w) ((W)(w))->active |
984 | #define ev_active(w) ((W)(w))->active |
412 | #define ev_at(w) ((WT)(w))->at |
985 | #define ev_at(w) ((WT)(w))->at |
413 | |
986 | |
414 | #if EV_USE_REALTIME |
987 | #if EV_USE_REALTIME |
415 | /* sig_atomic_t is used to avoid per-thread variables or locking but still */ |
988 | /* sig_atomic_t is used to avoid per-thread variables or locking but still */ |
416 | /* giving it a reasonably high chance of working on typical architetcures */ |
989 | /* giving it a reasonably high chance of working on typical architectures */ |
417 | static EV_ATOMIC_T have_realtime; /* did clock_gettime (CLOCK_REALTIME) work? */ |
990 | static EV_ATOMIC_T have_realtime; /* did clock_gettime (CLOCK_REALTIME) work? */ |
418 | #endif |
991 | #endif |
419 | |
992 | |
420 | #if EV_USE_MONOTONIC |
993 | #if EV_USE_MONOTONIC |
421 | static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
994 | static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
422 | #endif |
995 | #endif |
423 | |
996 | |
|
|
997 | #ifndef EV_FD_TO_WIN32_HANDLE |
|
|
998 | # define EV_FD_TO_WIN32_HANDLE(fd) _get_osfhandle (fd) |
|
|
999 | #endif |
|
|
1000 | #ifndef EV_WIN32_HANDLE_TO_FD |
|
|
1001 | # define EV_WIN32_HANDLE_TO_FD(handle) _open_osfhandle (handle, 0) |
|
|
1002 | #endif |
|
|
1003 | #ifndef EV_WIN32_CLOSE_FD |
|
|
1004 | # define EV_WIN32_CLOSE_FD(fd) close (fd) |
|
|
1005 | #endif |
|
|
1006 | |
424 | #ifdef _WIN32 |
1007 | #ifdef _WIN32 |
425 | # include "ev_win32.c" |
1008 | # include "ev_win32.c" |
426 | #endif |
1009 | #endif |
427 | |
1010 | |
428 | /*****************************************************************************/ |
1011 | /*****************************************************************************/ |
429 | |
1012 | |
|
|
1013 | /* define a suitable floor function (only used by periodics atm) */ |
|
|
1014 | |
|
|
1015 | #if EV_USE_FLOOR |
|
|
1016 | # include <math.h> |
|
|
1017 | # define ev_floor(v) floor (v) |
|
|
1018 | #else |
|
|
1019 | |
|
|
1020 | #include <float.h> |
|
|
1021 | |
|
|
1022 | /* a floor() replacement function, should be independent of ev_tstamp type */ |
|
|
1023 | static ev_tstamp noinline |
|
|
1024 | ev_floor (ev_tstamp v) |
|
|
1025 | { |
|
|
1026 | /* the choice of shift factor is not terribly important */ |
|
|
1027 | #if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */ |
|
|
1028 | const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.; |
|
|
1029 | #else |
|
|
1030 | const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 18446744073709551616. : 4294967296.; |
|
|
1031 | #endif |
|
|
1032 | |
|
|
1033 | /* argument too large for an unsigned long? */ |
|
|
1034 | if (expect_false (v >= shift)) |
|
|
1035 | { |
|
|
1036 | ev_tstamp f; |
|
|
1037 | |
|
|
1038 | if (v == v - 1.) |
|
|
1039 | return v; /* very large number */ |
|
|
1040 | |
|
|
1041 | f = shift * ev_floor (v * (1. / shift)); |
|
|
1042 | return f + ev_floor (v - f); |
|
|
1043 | } |
|
|
1044 | |
|
|
1045 | /* special treatment for negative args? */ |
|
|
1046 | if (expect_false (v < 0.)) |
|
|
1047 | { |
|
|
1048 | ev_tstamp f = -ev_floor (-v); |
|
|
1049 | |
|
|
1050 | return f - (f == v ? 0 : 1); |
|
|
1051 | } |
|
|
1052 | |
|
|
1053 | /* fits into an unsigned long */ |
|
|
1054 | return (unsigned long)v; |
|
|
1055 | } |
|
|
1056 | |
|
|
1057 | #endif |
|
|
1058 | |
|
|
1059 | /*****************************************************************************/ |
|
|
1060 | |
|
|
1061 | #ifdef __linux |
|
|
1062 | # include <sys/utsname.h> |
|
|
1063 | #endif |
|
|
1064 | |
|
|
1065 | static unsigned int noinline ecb_cold |
|
|
1066 | ev_linux_version (void) |
|
|
1067 | { |
|
|
1068 | #ifdef __linux |
|
|
1069 | unsigned int v = 0; |
|
|
1070 | struct utsname buf; |
|
|
1071 | int i; |
|
|
1072 | char *p = buf.release; |
|
|
1073 | |
|
|
1074 | if (uname (&buf)) |
|
|
1075 | return 0; |
|
|
1076 | |
|
|
1077 | for (i = 3+1; --i; ) |
|
|
1078 | { |
|
|
1079 | unsigned int c = 0; |
|
|
1080 | |
|
|
1081 | for (;;) |
|
|
1082 | { |
|
|
1083 | if (*p >= '0' && *p <= '9') |
|
|
1084 | c = c * 10 + *p++ - '0'; |
|
|
1085 | else |
|
|
1086 | { |
|
|
1087 | p += *p == '.'; |
|
|
1088 | break; |
|
|
1089 | } |
|
|
1090 | } |
|
|
1091 | |
|
|
1092 | v = (v << 8) | c; |
|
|
1093 | } |
|
|
1094 | |
|
|
1095 | return v; |
|
|
1096 | #else |
|
|
1097 | return 0; |
|
|
1098 | #endif |
|
|
1099 | } |
|
|
1100 | |
|
|
1101 | /*****************************************************************************/ |
|
|
1102 | |
|
|
1103 | #if EV_AVOID_STDIO |
|
|
1104 | static void noinline ecb_cold |
|
|
1105 | ev_printerr (const char *msg) |
|
|
1106 | { |
|
|
1107 | write (STDERR_FILENO, msg, strlen (msg)); |
|
|
1108 | } |
|
|
1109 | #endif |
|
|
1110 | |
430 | static void (*syserr_cb)(const char *msg); |
1111 | static void (*syserr_cb)(const char *msg) EV_THROW; |
431 | |
1112 | |
432 | void |
1113 | void ecb_cold |
433 | ev_set_syserr_cb (void (*cb)(const char *msg)) |
1114 | ev_set_syserr_cb (void (*cb)(const char *msg)) EV_THROW |
434 | { |
1115 | { |
435 | syserr_cb = cb; |
1116 | syserr_cb = cb; |
436 | } |
1117 | } |
437 | |
1118 | |
438 | static void noinline |
1119 | static void noinline ecb_cold |
439 | ev_syserr (const char *msg) |
1120 | ev_syserr (const char *msg) |
440 | { |
1121 | { |
441 | if (!msg) |
1122 | if (!msg) |
442 | msg = "(libev) system error"; |
1123 | msg = "(libev) system error"; |
443 | |
1124 | |
444 | if (syserr_cb) |
1125 | if (syserr_cb) |
445 | syserr_cb (msg); |
1126 | syserr_cb (msg); |
446 | else |
1127 | else |
447 | { |
1128 | { |
|
|
1129 | #if EV_AVOID_STDIO |
|
|
1130 | ev_printerr (msg); |
|
|
1131 | ev_printerr (": "); |
|
|
1132 | ev_printerr (strerror (errno)); |
|
|
1133 | ev_printerr ("\n"); |
|
|
1134 | #else |
448 | perror (msg); |
1135 | perror (msg); |
|
|
1136 | #endif |
449 | abort (); |
1137 | abort (); |
450 | } |
1138 | } |
451 | } |
1139 | } |
452 | |
1140 | |
453 | static void * |
1141 | static void * |
454 | ev_realloc_emul (void *ptr, long size) |
1142 | ev_realloc_emul (void *ptr, long size) |
455 | { |
1143 | { |
|
|
1144 | #if __GLIBC__ |
|
|
1145 | return realloc (ptr, size); |
|
|
1146 | #else |
456 | /* some systems, notably openbsd and darwin, fail to properly |
1147 | /* some systems, notably openbsd and darwin, fail to properly |
457 | * implement realloc (x, 0) (as required by both ansi c-98 and |
1148 | * implement realloc (x, 0) (as required by both ansi c-89 and |
458 | * the single unix specification, so work around them here. |
1149 | * the single unix specification, so work around them here. |
459 | */ |
1150 | */ |
460 | |
1151 | |
461 | if (size) |
1152 | if (size) |
462 | return realloc (ptr, size); |
1153 | return realloc (ptr, size); |
463 | |
1154 | |
464 | free (ptr); |
1155 | free (ptr); |
465 | return 0; |
1156 | return 0; |
|
|
1157 | #endif |
466 | } |
1158 | } |
467 | |
1159 | |
468 | static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; |
1160 | static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul; |
469 | |
1161 | |
470 | void |
1162 | void ecb_cold |
471 | ev_set_allocator (void *(*cb)(void *ptr, long size)) |
1163 | ev_set_allocator (void *(*cb)(void *ptr, long size)) EV_THROW |
472 | { |
1164 | { |
473 | alloc = cb; |
1165 | alloc = cb; |
474 | } |
1166 | } |
475 | |
1167 | |
476 | inline_speed void * |
1168 | inline_speed void * |
… | |
… | |
478 | { |
1170 | { |
479 | ptr = alloc (ptr, size); |
1171 | ptr = alloc (ptr, size); |
480 | |
1172 | |
481 | if (!ptr && size) |
1173 | if (!ptr && size) |
482 | { |
1174 | { |
|
|
1175 | #if EV_AVOID_STDIO |
|
|
1176 | ev_printerr ("(libev) memory allocation failed, aborting.\n"); |
|
|
1177 | #else |
483 | fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); |
1178 | fprintf (stderr, "(libev) cannot allocate %ld bytes, aborting.", size); |
|
|
1179 | #endif |
484 | abort (); |
1180 | abort (); |
485 | } |
1181 | } |
486 | |
1182 | |
487 | return ptr; |
1183 | return ptr; |
488 | } |
1184 | } |
… | |
… | |
504 | unsigned char emask; /* the epoll backend stores the actual kernel mask in here */ |
1200 | unsigned char emask; /* the epoll backend stores the actual kernel mask in here */ |
505 | unsigned char unused; |
1201 | unsigned char unused; |
506 | #if EV_USE_EPOLL |
1202 | #if EV_USE_EPOLL |
507 | unsigned int egen; /* generation counter to counter epoll bugs */ |
1203 | unsigned int egen; /* generation counter to counter epoll bugs */ |
508 | #endif |
1204 | #endif |
509 | #if EV_SELECT_IS_WINSOCKET |
1205 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
510 | SOCKET handle; |
1206 | SOCKET handle; |
|
|
1207 | #endif |
|
|
1208 | #if EV_USE_IOCP |
|
|
1209 | OVERLAPPED or, ow; |
511 | #endif |
1210 | #endif |
512 | } ANFD; |
1211 | } ANFD; |
513 | |
1212 | |
514 | /* stores the pending event set for a given watcher */ |
1213 | /* stores the pending event set for a given watcher */ |
515 | typedef struct |
1214 | typedef struct |
… | |
… | |
557 | #undef VAR |
1256 | #undef VAR |
558 | }; |
1257 | }; |
559 | #include "ev_wrap.h" |
1258 | #include "ev_wrap.h" |
560 | |
1259 | |
561 | static struct ev_loop default_loop_struct; |
1260 | static struct ev_loop default_loop_struct; |
562 | struct ev_loop *ev_default_loop_ptr; |
1261 | EV_API_DECL struct ev_loop *ev_default_loop_ptr = 0; /* needs to be initialised to make it a definition despite extern */ |
563 | |
1262 | |
564 | #else |
1263 | #else |
565 | |
1264 | |
566 | ev_tstamp ev_rt_now; |
1265 | EV_API_DECL ev_tstamp ev_rt_now = 0; /* needs to be initialised to make it a definition despite extern */ |
567 | #define VAR(name,decl) static decl; |
1266 | #define VAR(name,decl) static decl; |
568 | #include "ev_vars.h" |
1267 | #include "ev_vars.h" |
569 | #undef VAR |
1268 | #undef VAR |
570 | |
1269 | |
571 | static int ev_default_loop_ptr; |
1270 | static int ev_default_loop_ptr; |
572 | |
1271 | |
573 | #endif |
1272 | #endif |
574 | |
1273 | |
575 | #if EV_MINIMAL < 2 |
1274 | #if EV_FEATURE_API |
576 | # define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A) |
1275 | # define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A) |
577 | # define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A) |
1276 | # define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A) |
578 | # define EV_INVOKE_PENDING invoke_cb (EV_A) |
1277 | # define EV_INVOKE_PENDING invoke_cb (EV_A) |
579 | #else |
1278 | #else |
580 | # define EV_RELEASE_CB (void)0 |
1279 | # define EV_RELEASE_CB (void)0 |
581 | # define EV_ACQUIRE_CB (void)0 |
1280 | # define EV_ACQUIRE_CB (void)0 |
582 | # define EV_INVOKE_PENDING ev_invoke_pending (EV_A) |
1281 | # define EV_INVOKE_PENDING ev_invoke_pending (EV_A) |
583 | #endif |
1282 | #endif |
584 | |
1283 | |
585 | #define EVUNLOOP_RECURSE 0x80 |
1284 | #define EVBREAK_RECURSE 0x80 |
586 | |
1285 | |
587 | /*****************************************************************************/ |
1286 | /*****************************************************************************/ |
588 | |
1287 | |
589 | #ifndef EV_HAVE_EV_TIME |
1288 | #ifndef EV_HAVE_EV_TIME |
590 | ev_tstamp |
1289 | ev_tstamp |
591 | ev_time (void) |
1290 | ev_time (void) EV_THROW |
592 | { |
1291 | { |
593 | #if EV_USE_REALTIME |
1292 | #if EV_USE_REALTIME |
594 | if (expect_true (have_realtime)) |
1293 | if (expect_true (have_realtime)) |
595 | { |
1294 | { |
596 | struct timespec ts; |
1295 | struct timespec ts; |
… | |
… | |
620 | return ev_time (); |
1319 | return ev_time (); |
621 | } |
1320 | } |
622 | |
1321 | |
623 | #if EV_MULTIPLICITY |
1322 | #if EV_MULTIPLICITY |
624 | ev_tstamp |
1323 | ev_tstamp |
625 | ev_now (EV_P) |
1324 | ev_now (EV_P) EV_THROW |
626 | { |
1325 | { |
627 | return ev_rt_now; |
1326 | return ev_rt_now; |
628 | } |
1327 | } |
629 | #endif |
1328 | #endif |
630 | |
1329 | |
631 | void |
1330 | void |
632 | ev_sleep (ev_tstamp delay) |
1331 | ev_sleep (ev_tstamp delay) EV_THROW |
633 | { |
1332 | { |
634 | if (delay > 0.) |
1333 | if (delay > 0.) |
635 | { |
1334 | { |
636 | #if EV_USE_NANOSLEEP |
1335 | #if EV_USE_NANOSLEEP |
637 | struct timespec ts; |
1336 | struct timespec ts; |
638 | |
1337 | |
639 | ts.tv_sec = (time_t)delay; |
1338 | EV_TS_SET (ts, delay); |
640 | ts.tv_nsec = (long)((delay - (ev_tstamp)(ts.tv_sec)) * 1e9); |
|
|
641 | |
|
|
642 | nanosleep (&ts, 0); |
1339 | nanosleep (&ts, 0); |
643 | #elif defined(_WIN32) |
1340 | #elif defined _WIN32 |
644 | Sleep ((unsigned long)(delay * 1e3)); |
1341 | Sleep ((unsigned long)(delay * 1e3)); |
645 | #else |
1342 | #else |
646 | struct timeval tv; |
1343 | struct timeval tv; |
647 | |
1344 | |
648 | tv.tv_sec = (time_t)delay; |
|
|
649 | tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); |
|
|
650 | |
|
|
651 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
1345 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
652 | /* somehting not guaranteed by newer posix versions, but guaranteed */ |
1346 | /* something not guaranteed by newer posix versions, but guaranteed */ |
653 | /* by older ones */ |
1347 | /* by older ones */ |
|
|
1348 | EV_TV_SET (tv, delay); |
654 | select (0, 0, 0, 0, &tv); |
1349 | select (0, 0, 0, 0, &tv); |
655 | #endif |
1350 | #endif |
656 | } |
1351 | } |
657 | } |
1352 | } |
658 | |
1353 | |
659 | /*****************************************************************************/ |
1354 | /*****************************************************************************/ |
660 | |
1355 | |
661 | #define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */ |
1356 | #define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */ |
662 | |
1357 | |
663 | /* find a suitable new size for the given array, */ |
1358 | /* find a suitable new size for the given array, */ |
664 | /* hopefully by rounding to a ncie-to-malloc size */ |
1359 | /* hopefully by rounding to a nice-to-malloc size */ |
665 | inline_size int |
1360 | inline_size int |
666 | array_nextsize (int elem, int cur, int cnt) |
1361 | array_nextsize (int elem, int cur, int cnt) |
667 | { |
1362 | { |
668 | int ncur = cur + 1; |
1363 | int ncur = cur + 1; |
669 | |
1364 | |
670 | do |
1365 | do |
671 | ncur <<= 1; |
1366 | ncur <<= 1; |
672 | while (cnt > ncur); |
1367 | while (cnt > ncur); |
673 | |
1368 | |
674 | /* if size is large, round to MALLOC_ROUND - 4 * longs to accomodate malloc overhead */ |
1369 | /* if size is large, round to MALLOC_ROUND - 4 * longs to accommodate malloc overhead */ |
675 | if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4) |
1370 | if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4) |
676 | { |
1371 | { |
677 | ncur *= elem; |
1372 | ncur *= elem; |
678 | ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void *) * 4) & ~(MALLOC_ROUND - 1); |
1373 | ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void *) * 4) & ~(MALLOC_ROUND - 1); |
679 | ncur = ncur - sizeof (void *) * 4; |
1374 | ncur = ncur - sizeof (void *) * 4; |
… | |
… | |
681 | } |
1376 | } |
682 | |
1377 | |
683 | return ncur; |
1378 | return ncur; |
684 | } |
1379 | } |
685 | |
1380 | |
686 | static noinline void * |
1381 | static void * noinline ecb_cold |
687 | array_realloc (int elem, void *base, int *cur, int cnt) |
1382 | array_realloc (int elem, void *base, int *cur, int cnt) |
688 | { |
1383 | { |
689 | *cur = array_nextsize (elem, *cur, cnt); |
1384 | *cur = array_nextsize (elem, *cur, cnt); |
690 | return ev_realloc (base, elem * *cur); |
1385 | return ev_realloc (base, elem * *cur); |
691 | } |
1386 | } |
… | |
… | |
694 | memset ((void *)(base), 0, sizeof (*(base)) * (count)) |
1389 | memset ((void *)(base), 0, sizeof (*(base)) * (count)) |
695 | |
1390 | |
696 | #define array_needsize(type,base,cur,cnt,init) \ |
1391 | #define array_needsize(type,base,cur,cnt,init) \ |
697 | if (expect_false ((cnt) > (cur))) \ |
1392 | if (expect_false ((cnt) > (cur))) \ |
698 | { \ |
1393 | { \ |
699 | int ocur_ = (cur); \ |
1394 | int ecb_unused ocur_ = (cur); \ |
700 | (base) = (type *)array_realloc \ |
1395 | (base) = (type *)array_realloc \ |
701 | (sizeof (type), (base), &(cur), (cnt)); \ |
1396 | (sizeof (type), (base), &(cur), (cnt)); \ |
702 | init ((base) + (ocur_), (cur) - ocur_); \ |
1397 | init ((base) + (ocur_), (cur) - ocur_); \ |
703 | } |
1398 | } |
704 | |
1399 | |
… | |
… | |
722 | pendingcb (EV_P_ ev_prepare *w, int revents) |
1417 | pendingcb (EV_P_ ev_prepare *w, int revents) |
723 | { |
1418 | { |
724 | } |
1419 | } |
725 | |
1420 | |
726 | void noinline |
1421 | void noinline |
727 | ev_feed_event (EV_P_ void *w, int revents) |
1422 | ev_feed_event (EV_P_ void *w, int revents) EV_THROW |
728 | { |
1423 | { |
729 | W w_ = (W)w; |
1424 | W w_ = (W)w; |
730 | int pri = ABSPRI (w_); |
1425 | int pri = ABSPRI (w_); |
731 | |
1426 | |
732 | if (expect_false (w_->pending)) |
1427 | if (expect_false (w_->pending)) |
… | |
… | |
736 | w_->pending = ++pendingcnt [pri]; |
1431 | w_->pending = ++pendingcnt [pri]; |
737 | array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2); |
1432 | array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2); |
738 | pendings [pri][w_->pending - 1].w = w_; |
1433 | pendings [pri][w_->pending - 1].w = w_; |
739 | pendings [pri][w_->pending - 1].events = revents; |
1434 | pendings [pri][w_->pending - 1].events = revents; |
740 | } |
1435 | } |
|
|
1436 | |
|
|
1437 | pendingpri = NUMPRI - 1; |
741 | } |
1438 | } |
742 | |
1439 | |
743 | inline_speed void |
1440 | inline_speed void |
744 | feed_reverse (EV_P_ W w) |
1441 | feed_reverse (EV_P_ W w) |
745 | { |
1442 | { |
… | |
… | |
765 | } |
1462 | } |
766 | |
1463 | |
767 | /*****************************************************************************/ |
1464 | /*****************************************************************************/ |
768 | |
1465 | |
769 | inline_speed void |
1466 | inline_speed void |
770 | fd_event_nc (EV_P_ int fd, int revents) |
1467 | fd_event_nocheck (EV_P_ int fd, int revents) |
771 | { |
1468 | { |
772 | ANFD *anfd = anfds + fd; |
1469 | ANFD *anfd = anfds + fd; |
773 | ev_io *w; |
1470 | ev_io *w; |
774 | |
1471 | |
775 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
1472 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
… | |
… | |
787 | fd_event (EV_P_ int fd, int revents) |
1484 | fd_event (EV_P_ int fd, int revents) |
788 | { |
1485 | { |
789 | ANFD *anfd = anfds + fd; |
1486 | ANFD *anfd = anfds + fd; |
790 | |
1487 | |
791 | if (expect_true (!anfd->reify)) |
1488 | if (expect_true (!anfd->reify)) |
792 | fd_event_nc (EV_A_ fd, revents); |
1489 | fd_event_nocheck (EV_A_ fd, revents); |
793 | } |
1490 | } |
794 | |
1491 | |
795 | void |
1492 | void |
796 | ev_feed_fd_event (EV_P_ int fd, int revents) |
1493 | ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW |
797 | { |
1494 | { |
798 | if (fd >= 0 && fd < anfdmax) |
1495 | if (fd >= 0 && fd < anfdmax) |
799 | fd_event_nc (EV_A_ fd, revents); |
1496 | fd_event_nocheck (EV_A_ fd, revents); |
800 | } |
1497 | } |
801 | |
1498 | |
802 | /* make sure the external fd watch events are in-sync */ |
1499 | /* make sure the external fd watch events are in-sync */ |
803 | /* with the kernel/libev internal state */ |
1500 | /* with the kernel/libev internal state */ |
804 | inline_size void |
1501 | inline_size void |
805 | fd_reify (EV_P) |
1502 | fd_reify (EV_P) |
806 | { |
1503 | { |
807 | int i; |
1504 | int i; |
808 | |
1505 | |
|
|
1506 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
|
|
1507 | for (i = 0; i < fdchangecnt; ++i) |
|
|
1508 | { |
|
|
1509 | int fd = fdchanges [i]; |
|
|
1510 | ANFD *anfd = anfds + fd; |
|
|
1511 | |
|
|
1512 | if (anfd->reify & EV__IOFDSET && anfd->head) |
|
|
1513 | { |
|
|
1514 | SOCKET handle = EV_FD_TO_WIN32_HANDLE (fd); |
|
|
1515 | |
|
|
1516 | if (handle != anfd->handle) |
|
|
1517 | { |
|
|
1518 | unsigned long arg; |
|
|
1519 | |
|
|
1520 | assert (("libev: only socket fds supported in this configuration", ioctlsocket (handle, FIONREAD, &arg) == 0)); |
|
|
1521 | |
|
|
1522 | /* handle changed, but fd didn't - we need to do it in two steps */ |
|
|
1523 | backend_modify (EV_A_ fd, anfd->events, 0); |
|
|
1524 | anfd->events = 0; |
|
|
1525 | anfd->handle = handle; |
|
|
1526 | } |
|
|
1527 | } |
|
|
1528 | } |
|
|
1529 | #endif |
|
|
1530 | |
809 | for (i = 0; i < fdchangecnt; ++i) |
1531 | for (i = 0; i < fdchangecnt; ++i) |
810 | { |
1532 | { |
811 | int fd = fdchanges [i]; |
1533 | int fd = fdchanges [i]; |
812 | ANFD *anfd = anfds + fd; |
1534 | ANFD *anfd = anfds + fd; |
813 | ev_io *w; |
1535 | ev_io *w; |
814 | |
1536 | |
815 | unsigned char events = 0; |
1537 | unsigned char o_events = anfd->events; |
|
|
1538 | unsigned char o_reify = anfd->reify; |
816 | |
1539 | |
817 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
1540 | anfd->reify = 0; |
818 | events |= (unsigned char)w->events; |
|
|
819 | |
1541 | |
820 | #if EV_SELECT_IS_WINSOCKET |
1542 | /*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */ |
821 | if (events) |
|
|
822 | { |
1543 | { |
823 | unsigned long arg; |
1544 | anfd->events = 0; |
824 | #ifdef EV_FD_TO_WIN32_HANDLE |
1545 | |
825 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
1546 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
826 | #else |
1547 | anfd->events |= (unsigned char)w->events; |
827 | anfd->handle = _get_osfhandle (fd); |
1548 | |
828 | #endif |
1549 | if (o_events != anfd->events) |
829 | assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); |
1550 | o_reify = EV__IOFDSET; /* actually |= */ |
830 | } |
1551 | } |
831 | #endif |
|
|
832 | |
1552 | |
833 | { |
1553 | if (o_reify & EV__IOFDSET) |
834 | unsigned char o_events = anfd->events; |
|
|
835 | unsigned char o_reify = anfd->reify; |
|
|
836 | |
|
|
837 | anfd->reify = 0; |
|
|
838 | anfd->events = events; |
|
|
839 | |
|
|
840 | if (o_events != events || o_reify & EV__IOFDSET) |
|
|
841 | backend_modify (EV_A_ fd, o_events, events); |
1554 | backend_modify (EV_A_ fd, o_events, anfd->events); |
842 | } |
|
|
843 | } |
1555 | } |
844 | |
1556 | |
845 | fdchangecnt = 0; |
1557 | fdchangecnt = 0; |
846 | } |
1558 | } |
847 | |
1559 | |
… | |
… | |
859 | fdchanges [fdchangecnt - 1] = fd; |
1571 | fdchanges [fdchangecnt - 1] = fd; |
860 | } |
1572 | } |
861 | } |
1573 | } |
862 | |
1574 | |
863 | /* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */ |
1575 | /* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */ |
864 | inline_speed void |
1576 | inline_speed void ecb_cold |
865 | fd_kill (EV_P_ int fd) |
1577 | fd_kill (EV_P_ int fd) |
866 | { |
1578 | { |
867 | ev_io *w; |
1579 | ev_io *w; |
868 | |
1580 | |
869 | while ((w = (ev_io *)anfds [fd].head)) |
1581 | while ((w = (ev_io *)anfds [fd].head)) |
… | |
… | |
871 | ev_io_stop (EV_A_ w); |
1583 | ev_io_stop (EV_A_ w); |
872 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
1584 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
873 | } |
1585 | } |
874 | } |
1586 | } |
875 | |
1587 | |
876 | /* check whether the given fd is atcually valid, for error recovery */ |
1588 | /* check whether the given fd is actually valid, for error recovery */ |
877 | inline_size int |
1589 | inline_size int ecb_cold |
878 | fd_valid (int fd) |
1590 | fd_valid (int fd) |
879 | { |
1591 | { |
880 | #ifdef _WIN32 |
1592 | #ifdef _WIN32 |
881 | return _get_osfhandle (fd) != -1; |
1593 | return EV_FD_TO_WIN32_HANDLE (fd) != -1; |
882 | #else |
1594 | #else |
883 | return fcntl (fd, F_GETFD) != -1; |
1595 | return fcntl (fd, F_GETFD) != -1; |
884 | #endif |
1596 | #endif |
885 | } |
1597 | } |
886 | |
1598 | |
887 | /* called on EBADF to verify fds */ |
1599 | /* called on EBADF to verify fds */ |
888 | static void noinline |
1600 | static void noinline ecb_cold |
889 | fd_ebadf (EV_P) |
1601 | fd_ebadf (EV_P) |
890 | { |
1602 | { |
891 | int fd; |
1603 | int fd; |
892 | |
1604 | |
893 | for (fd = 0; fd < anfdmax; ++fd) |
1605 | for (fd = 0; fd < anfdmax; ++fd) |
… | |
… | |
895 | if (!fd_valid (fd) && errno == EBADF) |
1607 | if (!fd_valid (fd) && errno == EBADF) |
896 | fd_kill (EV_A_ fd); |
1608 | fd_kill (EV_A_ fd); |
897 | } |
1609 | } |
898 | |
1610 | |
899 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
1611 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
900 | static void noinline |
1612 | static void noinline ecb_cold |
901 | fd_enomem (EV_P) |
1613 | fd_enomem (EV_P) |
902 | { |
1614 | { |
903 | int fd; |
1615 | int fd; |
904 | |
1616 | |
905 | for (fd = anfdmax; fd--; ) |
1617 | for (fd = anfdmax; fd--; ) |
906 | if (anfds [fd].events) |
1618 | if (anfds [fd].events) |
907 | { |
1619 | { |
908 | fd_kill (EV_A_ fd); |
1620 | fd_kill (EV_A_ fd); |
909 | return; |
1621 | break; |
910 | } |
1622 | } |
911 | } |
1623 | } |
912 | |
1624 | |
913 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
1625 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
914 | static void noinline |
1626 | static void noinline |
… | |
… | |
923 | anfds [fd].emask = 0; |
1635 | anfds [fd].emask = 0; |
924 | fd_change (EV_A_ fd, EV__IOFDSET | EV_ANFD_REIFY); |
1636 | fd_change (EV_A_ fd, EV__IOFDSET | EV_ANFD_REIFY); |
925 | } |
1637 | } |
926 | } |
1638 | } |
927 | |
1639 | |
|
|
1640 | /* used to prepare libev internal fd's */ |
|
|
1641 | /* this is not fork-safe */ |
|
|
1642 | inline_speed void |
|
|
1643 | fd_intern (int fd) |
|
|
1644 | { |
|
|
1645 | #ifdef _WIN32 |
|
|
1646 | unsigned long arg = 1; |
|
|
1647 | ioctlsocket (EV_FD_TO_WIN32_HANDLE (fd), FIONBIO, &arg); |
|
|
1648 | #else |
|
|
1649 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
|
|
1650 | fcntl (fd, F_SETFL, O_NONBLOCK); |
|
|
1651 | #endif |
|
|
1652 | } |
|
|
1653 | |
928 | /*****************************************************************************/ |
1654 | /*****************************************************************************/ |
929 | |
1655 | |
930 | /* |
1656 | /* |
931 | * the heap functions want a real array index. array index 0 uis guaranteed to not |
1657 | * the heap functions want a real array index. array index 0 is guaranteed to not |
932 | * be in-use at any time. the first heap entry is at array [HEAP0]. DHEAP gives |
1658 | * be in-use at any time. the first heap entry is at array [HEAP0]. DHEAP gives |
933 | * the branching factor of the d-tree. |
1659 | * the branching factor of the d-tree. |
934 | */ |
1660 | */ |
935 | |
1661 | |
936 | /* |
1662 | /* |
… | |
… | |
1004 | |
1730 | |
1005 | for (;;) |
1731 | for (;;) |
1006 | { |
1732 | { |
1007 | int c = k << 1; |
1733 | int c = k << 1; |
1008 | |
1734 | |
1009 | if (c > N + HEAP0 - 1) |
1735 | if (c >= N + HEAP0) |
1010 | break; |
1736 | break; |
1011 | |
1737 | |
1012 | c += c + 1 < N + HEAP0 && ANHE_at (heap [c]) > ANHE_at (heap [c + 1]) |
1738 | c += c + 1 < N + HEAP0 && ANHE_at (heap [c]) > ANHE_at (heap [c + 1]) |
1013 | ? 1 : 0; |
1739 | ? 1 : 0; |
1014 | |
1740 | |
… | |
… | |
1050 | |
1776 | |
1051 | /* move an element suitably so it is in a correct place */ |
1777 | /* move an element suitably so it is in a correct place */ |
1052 | inline_size void |
1778 | inline_size void |
1053 | adjustheap (ANHE *heap, int N, int k) |
1779 | adjustheap (ANHE *heap, int N, int k) |
1054 | { |
1780 | { |
1055 | if (k > HEAP0 && ANHE_at (heap [HPARENT (k)]) >= ANHE_at (heap [k])) |
1781 | if (k > HEAP0 && ANHE_at (heap [k]) <= ANHE_at (heap [HPARENT (k)])) |
1056 | upheap (heap, k); |
1782 | upheap (heap, k); |
1057 | else |
1783 | else |
1058 | downheap (heap, N, k); |
1784 | downheap (heap, N, k); |
1059 | } |
1785 | } |
1060 | |
1786 | |
… | |
… | |
1073 | /*****************************************************************************/ |
1799 | /*****************************************************************************/ |
1074 | |
1800 | |
1075 | /* associate signal watchers to a signal signal */ |
1801 | /* associate signal watchers to a signal signal */ |
1076 | typedef struct |
1802 | typedef struct |
1077 | { |
1803 | { |
|
|
1804 | EV_ATOMIC_T pending; |
|
|
1805 | #if EV_MULTIPLICITY |
|
|
1806 | EV_P; |
|
|
1807 | #endif |
1078 | WL head; |
1808 | WL head; |
1079 | EV_ATOMIC_T gotsig; |
|
|
1080 | } ANSIG; |
1809 | } ANSIG; |
1081 | |
1810 | |
1082 | static ANSIG *signals; |
1811 | static ANSIG signals [EV_NSIG - 1]; |
1083 | static int signalmax; |
|
|
1084 | |
|
|
1085 | static EV_ATOMIC_T gotsig; |
|
|
1086 | |
1812 | |
1087 | /*****************************************************************************/ |
1813 | /*****************************************************************************/ |
1088 | |
1814 | |
1089 | /* used to prepare libev internal fd's */ |
1815 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
1090 | /* this is not fork-safe */ |
|
|
1091 | inline_speed void |
|
|
1092 | fd_intern (int fd) |
|
|
1093 | { |
|
|
1094 | #ifdef _WIN32 |
|
|
1095 | unsigned long arg = 1; |
|
|
1096 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
|
|
1097 | #else |
|
|
1098 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
|
|
1099 | fcntl (fd, F_SETFL, O_NONBLOCK); |
|
|
1100 | #endif |
|
|
1101 | } |
|
|
1102 | |
1816 | |
1103 | static void noinline |
1817 | static void noinline ecb_cold |
1104 | evpipe_init (EV_P) |
1818 | evpipe_init (EV_P) |
1105 | { |
1819 | { |
1106 | if (!ev_is_active (&pipe_w)) |
1820 | if (!ev_is_active (&pipe_w)) |
1107 | { |
1821 | { |
1108 | #if EV_USE_EVENTFD |
1822 | # if EV_USE_EVENTFD |
|
|
1823 | evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC); |
|
|
1824 | if (evfd < 0 && errno == EINVAL) |
1109 | if ((evfd = eventfd (0, 0)) >= 0) |
1825 | evfd = eventfd (0, 0); |
|
|
1826 | |
|
|
1827 | if (evfd >= 0) |
1110 | { |
1828 | { |
1111 | evpipe [0] = -1; |
1829 | evpipe [0] = -1; |
1112 | fd_intern (evfd); |
1830 | fd_intern (evfd); /* doing it twice doesn't hurt */ |
1113 | ev_io_set (&pipe_w, evfd, EV_READ); |
1831 | ev_io_set (&pipe_w, evfd, EV_READ); |
1114 | } |
1832 | } |
1115 | else |
1833 | else |
1116 | #endif |
1834 | # endif |
1117 | { |
1835 | { |
1118 | while (pipe (evpipe)) |
1836 | while (pipe (evpipe)) |
1119 | ev_syserr ("(libev) error creating signal/async pipe"); |
1837 | ev_syserr ("(libev) error creating signal/async pipe"); |
1120 | |
1838 | |
1121 | fd_intern (evpipe [0]); |
1839 | fd_intern (evpipe [0]); |
… | |
… | |
1126 | ev_io_start (EV_A_ &pipe_w); |
1844 | ev_io_start (EV_A_ &pipe_w); |
1127 | ev_unref (EV_A); /* watcher should not keep loop alive */ |
1845 | ev_unref (EV_A); /* watcher should not keep loop alive */ |
1128 | } |
1846 | } |
1129 | } |
1847 | } |
1130 | |
1848 | |
1131 | inline_size void |
1849 | inline_speed void |
1132 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
1850 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
1133 | { |
1851 | { |
1134 | if (!*flag) |
1852 | ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */ |
|
|
1853 | |
|
|
1854 | if (expect_true (*flag)) |
|
|
1855 | return; |
|
|
1856 | |
|
|
1857 | *flag = 1; |
|
|
1858 | |
|
|
1859 | ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */ |
|
|
1860 | |
|
|
1861 | pipe_write_skipped = 1; |
|
|
1862 | |
|
|
1863 | ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */ |
|
|
1864 | |
|
|
1865 | if (pipe_write_wanted) |
1135 | { |
1866 | { |
|
|
1867 | int old_errno; |
|
|
1868 | |
|
|
1869 | pipe_write_skipped = 0; /* just an optimisation, no fence needed */ |
|
|
1870 | |
1136 | int old_errno = errno; /* save errno because write might clobber it */ |
1871 | old_errno = errno; /* save errno because write will clobber it */ |
1137 | |
|
|
1138 | *flag = 1; |
|
|
1139 | |
1872 | |
1140 | #if EV_USE_EVENTFD |
1873 | #if EV_USE_EVENTFD |
1141 | if (evfd >= 0) |
1874 | if (evfd >= 0) |
1142 | { |
1875 | { |
1143 | uint64_t counter = 1; |
1876 | uint64_t counter = 1; |
1144 | write (evfd, &counter, sizeof (uint64_t)); |
1877 | write (evfd, &counter, sizeof (uint64_t)); |
1145 | } |
1878 | } |
1146 | else |
1879 | else |
1147 | #endif |
1880 | #endif |
|
|
1881 | { |
|
|
1882 | #ifdef _WIN32 |
|
|
1883 | WSABUF buf; |
|
|
1884 | DWORD sent; |
|
|
1885 | buf.buf = &buf; |
|
|
1886 | buf.len = 1; |
|
|
1887 | WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0); |
|
|
1888 | #else |
1148 | write (evpipe [1], &old_errno, 1); |
1889 | write (evpipe [1], &(evpipe [1]), 1); |
|
|
1890 | #endif |
|
|
1891 | } |
1149 | |
1892 | |
1150 | errno = old_errno; |
1893 | errno = old_errno; |
1151 | } |
1894 | } |
1152 | } |
1895 | } |
1153 | |
1896 | |
1154 | /* called whenever the libev signal pipe */ |
1897 | /* called whenever the libev signal pipe */ |
1155 | /* got some events (signal, async) */ |
1898 | /* got some events (signal, async) */ |
1156 | static void |
1899 | static void |
1157 | pipecb (EV_P_ ev_io *iow, int revents) |
1900 | pipecb (EV_P_ ev_io *iow, int revents) |
1158 | { |
1901 | { |
|
|
1902 | int i; |
|
|
1903 | |
|
|
1904 | if (revents & EV_READ) |
|
|
1905 | { |
1159 | #if EV_USE_EVENTFD |
1906 | #if EV_USE_EVENTFD |
1160 | if (evfd >= 0) |
1907 | if (evfd >= 0) |
1161 | { |
1908 | { |
1162 | uint64_t counter; |
1909 | uint64_t counter; |
1163 | read (evfd, &counter, sizeof (uint64_t)); |
1910 | read (evfd, &counter, sizeof (uint64_t)); |
1164 | } |
1911 | } |
1165 | else |
1912 | else |
1166 | #endif |
1913 | #endif |
1167 | { |
1914 | { |
1168 | char dummy; |
1915 | char dummy[4]; |
|
|
1916 | #ifdef _WIN32 |
|
|
1917 | WSABUF buf; |
|
|
1918 | DWORD recvd; |
|
|
1919 | buf.buf = dummy; |
|
|
1920 | buf.len = sizeof (dummy); |
|
|
1921 | WSARecv (EV_FD_TO_WIN32_HANDLE (evpipe [0]), &buf, 1, &recvd, 0, 0, 0); |
|
|
1922 | #else |
1169 | read (evpipe [0], &dummy, 1); |
1923 | read (evpipe [0], &dummy, sizeof (dummy)); |
|
|
1924 | #endif |
|
|
1925 | } |
|
|
1926 | } |
|
|
1927 | |
|
|
1928 | pipe_write_skipped = 0; |
|
|
1929 | |
|
|
1930 | ECB_MEMORY_FENCE; /* push out skipped, acquire flags */ |
|
|
1931 | |
|
|
1932 | #if EV_SIGNAL_ENABLE |
|
|
1933 | if (sig_pending) |
1170 | } |
1934 | { |
|
|
1935 | sig_pending = 0; |
1171 | |
1936 | |
1172 | if (gotsig && ev_is_default_loop (EV_A)) |
1937 | ECB_MEMORY_FENCE_RELEASE; |
1173 | { |
|
|
1174 | int signum; |
|
|
1175 | gotsig = 0; |
|
|
1176 | |
1938 | |
1177 | for (signum = signalmax; signum--; ) |
1939 | for (i = EV_NSIG - 1; i--; ) |
1178 | if (signals [signum].gotsig) |
1940 | if (expect_false (signals [i].pending)) |
1179 | ev_feed_signal_event (EV_A_ signum + 1); |
1941 | ev_feed_signal_event (EV_A_ i + 1); |
1180 | } |
1942 | } |
|
|
1943 | #endif |
1181 | |
1944 | |
1182 | #if EV_ASYNC_ENABLE |
1945 | #if EV_ASYNC_ENABLE |
1183 | if (gotasync) |
1946 | if (async_pending) |
1184 | { |
1947 | { |
1185 | int i; |
1948 | async_pending = 0; |
1186 | gotasync = 0; |
1949 | |
|
|
1950 | ECB_MEMORY_FENCE_RELEASE; |
1187 | |
1951 | |
1188 | for (i = asynccnt; i--; ) |
1952 | for (i = asynccnt; i--; ) |
1189 | if (asyncs [i]->sent) |
1953 | if (asyncs [i]->sent) |
1190 | { |
1954 | { |
1191 | asyncs [i]->sent = 0; |
1955 | asyncs [i]->sent = 0; |
… | |
… | |
1195 | #endif |
1959 | #endif |
1196 | } |
1960 | } |
1197 | |
1961 | |
1198 | /*****************************************************************************/ |
1962 | /*****************************************************************************/ |
1199 | |
1963 | |
|
|
1964 | void |
|
|
1965 | ev_feed_signal (int signum) EV_THROW |
|
|
1966 | { |
|
|
1967 | #if EV_MULTIPLICITY |
|
|
1968 | EV_P = signals [signum - 1].loop; |
|
|
1969 | |
|
|
1970 | if (!EV_A) |
|
|
1971 | return; |
|
|
1972 | #endif |
|
|
1973 | |
|
|
1974 | if (!ev_active (&pipe_w)) |
|
|
1975 | return; |
|
|
1976 | |
|
|
1977 | signals [signum - 1].pending = 1; |
|
|
1978 | evpipe_write (EV_A_ &sig_pending); |
|
|
1979 | } |
|
|
1980 | |
1200 | static void |
1981 | static void |
1201 | ev_sighandler (int signum) |
1982 | ev_sighandler (int signum) |
1202 | { |
1983 | { |
|
|
1984 | #ifdef _WIN32 |
|
|
1985 | signal (signum, ev_sighandler); |
|
|
1986 | #endif |
|
|
1987 | |
|
|
1988 | ev_feed_signal (signum); |
|
|
1989 | } |
|
|
1990 | |
|
|
1991 | void noinline |
|
|
1992 | ev_feed_signal_event (EV_P_ int signum) EV_THROW |
|
|
1993 | { |
|
|
1994 | WL w; |
|
|
1995 | |
|
|
1996 | if (expect_false (signum <= 0 || signum > EV_NSIG)) |
|
|
1997 | return; |
|
|
1998 | |
|
|
1999 | --signum; |
|
|
2000 | |
1203 | #if EV_MULTIPLICITY |
2001 | #if EV_MULTIPLICITY |
1204 | struct ev_loop *loop = &default_loop_struct; |
2002 | /* it is permissible to try to feed a signal to the wrong loop */ |
1205 | #endif |
2003 | /* or, likely more useful, feeding a signal nobody is waiting for */ |
1206 | |
2004 | |
1207 | #if _WIN32 |
2005 | if (expect_false (signals [signum].loop != EV_A)) |
1208 | signal (signum, ev_sighandler); |
|
|
1209 | #endif |
|
|
1210 | |
|
|
1211 | signals [signum - 1].gotsig = 1; |
|
|
1212 | evpipe_write (EV_A_ &gotsig); |
|
|
1213 | } |
|
|
1214 | |
|
|
1215 | void noinline |
|
|
1216 | ev_feed_signal_event (EV_P_ int signum) |
|
|
1217 | { |
|
|
1218 | WL w; |
|
|
1219 | |
|
|
1220 | #if EV_MULTIPLICITY |
|
|
1221 | assert (("libev: feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr)); |
|
|
1222 | #endif |
|
|
1223 | |
|
|
1224 | --signum; |
|
|
1225 | |
|
|
1226 | if (signum < 0 || signum >= signalmax) |
|
|
1227 | return; |
2006 | return; |
|
|
2007 | #endif |
1228 | |
2008 | |
1229 | signals [signum].gotsig = 0; |
2009 | signals [signum].pending = 0; |
1230 | |
2010 | |
1231 | for (w = signals [signum].head; w; w = w->next) |
2011 | for (w = signals [signum].head; w; w = w->next) |
1232 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
2012 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
1233 | } |
2013 | } |
1234 | |
2014 | |
|
|
2015 | #if EV_USE_SIGNALFD |
|
|
2016 | static void |
|
|
2017 | sigfdcb (EV_P_ ev_io *iow, int revents) |
|
|
2018 | { |
|
|
2019 | struct signalfd_siginfo si[2], *sip; /* these structs are big */ |
|
|
2020 | |
|
|
2021 | for (;;) |
|
|
2022 | { |
|
|
2023 | ssize_t res = read (sigfd, si, sizeof (si)); |
|
|
2024 | |
|
|
2025 | /* not ISO-C, as res might be -1, but works with SuS */ |
|
|
2026 | for (sip = si; (char *)sip < (char *)si + res; ++sip) |
|
|
2027 | ev_feed_signal_event (EV_A_ sip->ssi_signo); |
|
|
2028 | |
|
|
2029 | if (res < (ssize_t)sizeof (si)) |
|
|
2030 | break; |
|
|
2031 | } |
|
|
2032 | } |
|
|
2033 | #endif |
|
|
2034 | |
|
|
2035 | #endif |
|
|
2036 | |
1235 | /*****************************************************************************/ |
2037 | /*****************************************************************************/ |
1236 | |
2038 | |
|
|
2039 | #if EV_CHILD_ENABLE |
1237 | static WL childs [EV_PID_HASHSIZE]; |
2040 | static WL childs [EV_PID_HASHSIZE]; |
1238 | |
|
|
1239 | #ifndef _WIN32 |
|
|
1240 | |
2041 | |
1241 | static ev_signal childev; |
2042 | static ev_signal childev; |
1242 | |
2043 | |
1243 | #ifndef WIFCONTINUED |
2044 | #ifndef WIFCONTINUED |
1244 | # define WIFCONTINUED(status) 0 |
2045 | # define WIFCONTINUED(status) 0 |
… | |
… | |
1249 | child_reap (EV_P_ int chain, int pid, int status) |
2050 | child_reap (EV_P_ int chain, int pid, int status) |
1250 | { |
2051 | { |
1251 | ev_child *w; |
2052 | ev_child *w; |
1252 | int traced = WIFSTOPPED (status) || WIFCONTINUED (status); |
2053 | int traced = WIFSTOPPED (status) || WIFCONTINUED (status); |
1253 | |
2054 | |
1254 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
2055 | for (w = (ev_child *)childs [chain & ((EV_PID_HASHSIZE) - 1)]; w; w = (ev_child *)((WL)w)->next) |
1255 | { |
2056 | { |
1256 | if ((w->pid == pid || !w->pid) |
2057 | if ((w->pid == pid || !w->pid) |
1257 | && (!traced || (w->flags & 1))) |
2058 | && (!traced || (w->flags & 1))) |
1258 | { |
2059 | { |
1259 | ev_set_priority (w, EV_MAXPRI); /* need to do it *now*, this *must* be the same prio as the signal watcher itself */ |
2060 | ev_set_priority (w, EV_MAXPRI); /* need to do it *now*, this *must* be the same prio as the signal watcher itself */ |
… | |
… | |
1284 | /* make sure we are called again until all children have been reaped */ |
2085 | /* make sure we are called again until all children have been reaped */ |
1285 | /* we need to do it this way so that the callback gets called before we continue */ |
2086 | /* we need to do it this way so that the callback gets called before we continue */ |
1286 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
2087 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
1287 | |
2088 | |
1288 | child_reap (EV_A_ pid, pid, status); |
2089 | child_reap (EV_A_ pid, pid, status); |
1289 | if (EV_PID_HASHSIZE > 1) |
2090 | if ((EV_PID_HASHSIZE) > 1) |
1290 | child_reap (EV_A_ 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
2091 | child_reap (EV_A_ 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
1291 | } |
2092 | } |
1292 | |
2093 | |
1293 | #endif |
2094 | #endif |
1294 | |
2095 | |
1295 | /*****************************************************************************/ |
2096 | /*****************************************************************************/ |
1296 | |
2097 | |
|
|
2098 | #if EV_USE_IOCP |
|
|
2099 | # include "ev_iocp.c" |
|
|
2100 | #endif |
1297 | #if EV_USE_PORT |
2101 | #if EV_USE_PORT |
1298 | # include "ev_port.c" |
2102 | # include "ev_port.c" |
1299 | #endif |
2103 | #endif |
1300 | #if EV_USE_KQUEUE |
2104 | #if EV_USE_KQUEUE |
1301 | # include "ev_kqueue.c" |
2105 | # include "ev_kqueue.c" |
… | |
… | |
1308 | #endif |
2112 | #endif |
1309 | #if EV_USE_SELECT |
2113 | #if EV_USE_SELECT |
1310 | # include "ev_select.c" |
2114 | # include "ev_select.c" |
1311 | #endif |
2115 | #endif |
1312 | |
2116 | |
1313 | int |
2117 | int ecb_cold |
1314 | ev_version_major (void) |
2118 | ev_version_major (void) EV_THROW |
1315 | { |
2119 | { |
1316 | return EV_VERSION_MAJOR; |
2120 | return EV_VERSION_MAJOR; |
1317 | } |
2121 | } |
1318 | |
2122 | |
1319 | int |
2123 | int ecb_cold |
1320 | ev_version_minor (void) |
2124 | ev_version_minor (void) EV_THROW |
1321 | { |
2125 | { |
1322 | return EV_VERSION_MINOR; |
2126 | return EV_VERSION_MINOR; |
1323 | } |
2127 | } |
1324 | |
2128 | |
1325 | /* return true if we are running with elevated privileges and should ignore env variables */ |
2129 | /* return true if we are running with elevated privileges and should ignore env variables */ |
1326 | int inline_size |
2130 | int inline_size ecb_cold |
1327 | enable_secure (void) |
2131 | enable_secure (void) |
1328 | { |
2132 | { |
1329 | #ifdef _WIN32 |
2133 | #ifdef _WIN32 |
1330 | return 0; |
2134 | return 0; |
1331 | #else |
2135 | #else |
1332 | return getuid () != geteuid () |
2136 | return getuid () != geteuid () |
1333 | || getgid () != getegid (); |
2137 | || getgid () != getegid (); |
1334 | #endif |
2138 | #endif |
1335 | } |
2139 | } |
1336 | |
2140 | |
1337 | unsigned int |
2141 | unsigned int ecb_cold |
1338 | ev_supported_backends (void) |
2142 | ev_supported_backends (void) EV_THROW |
1339 | { |
2143 | { |
1340 | unsigned int flags = 0; |
2144 | unsigned int flags = 0; |
1341 | |
2145 | |
1342 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
2146 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
1343 | if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; |
2147 | if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; |
… | |
… | |
1346 | if (EV_USE_SELECT) flags |= EVBACKEND_SELECT; |
2150 | if (EV_USE_SELECT) flags |= EVBACKEND_SELECT; |
1347 | |
2151 | |
1348 | return flags; |
2152 | return flags; |
1349 | } |
2153 | } |
1350 | |
2154 | |
1351 | unsigned int |
2155 | unsigned int ecb_cold |
1352 | ev_recommended_backends (void) |
2156 | ev_recommended_backends (void) EV_THROW |
1353 | { |
2157 | { |
1354 | unsigned int flags = ev_supported_backends (); |
2158 | unsigned int flags = ev_supported_backends (); |
1355 | |
2159 | |
1356 | #ifndef __NetBSD__ |
2160 | #ifndef __NetBSD__ |
1357 | /* kqueue is borked on everything but netbsd apparently */ |
2161 | /* kqueue is borked on everything but netbsd apparently */ |
… | |
… | |
1361 | #ifdef __APPLE__ |
2165 | #ifdef __APPLE__ |
1362 | /* only select works correctly on that "unix-certified" platform */ |
2166 | /* only select works correctly on that "unix-certified" platform */ |
1363 | flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */ |
2167 | flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */ |
1364 | flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */ |
2168 | flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */ |
1365 | #endif |
2169 | #endif |
|
|
2170 | #ifdef __FreeBSD__ |
|
|
2171 | flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */ |
|
|
2172 | #endif |
1366 | |
2173 | |
1367 | return flags; |
2174 | return flags; |
1368 | } |
2175 | } |
1369 | |
2176 | |
|
|
2177 | unsigned int ecb_cold |
|
|
2178 | ev_embeddable_backends (void) EV_THROW |
|
|
2179 | { |
|
|
2180 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
|
|
2181 | |
|
|
2182 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
|
|
2183 | if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ |
|
|
2184 | flags &= ~EVBACKEND_EPOLL; |
|
|
2185 | |
|
|
2186 | return flags; |
|
|
2187 | } |
|
|
2188 | |
1370 | unsigned int |
2189 | unsigned int |
1371 | ev_embeddable_backends (void) |
2190 | ev_backend (EV_P) EV_THROW |
1372 | { |
2191 | { |
1373 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
2192 | return backend; |
1374 | |
|
|
1375 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
|
|
1376 | /* please fix it and tell me how to detect the fix */ |
|
|
1377 | flags &= ~EVBACKEND_EPOLL; |
|
|
1378 | |
|
|
1379 | return flags; |
|
|
1380 | } |
2193 | } |
1381 | |
2194 | |
|
|
2195 | #if EV_FEATURE_API |
1382 | unsigned int |
2196 | unsigned int |
1383 | ev_backend (EV_P) |
2197 | ev_iteration (EV_P) EV_THROW |
1384 | { |
2198 | { |
1385 | return backend; |
2199 | return loop_count; |
1386 | } |
2200 | } |
1387 | |
2201 | |
1388 | #if EV_MINIMAL < 2 |
|
|
1389 | unsigned int |
2202 | unsigned int |
1390 | ev_loop_count (EV_P) |
2203 | ev_depth (EV_P) EV_THROW |
1391 | { |
|
|
1392 | return loop_count; |
|
|
1393 | } |
|
|
1394 | |
|
|
1395 | unsigned int |
|
|
1396 | ev_loop_depth (EV_P) |
|
|
1397 | { |
2204 | { |
1398 | return loop_depth; |
2205 | return loop_depth; |
1399 | } |
2206 | } |
1400 | |
2207 | |
1401 | void |
2208 | void |
1402 | ev_set_io_collect_interval (EV_P_ ev_tstamp interval) |
2209 | ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW |
1403 | { |
2210 | { |
1404 | io_blocktime = interval; |
2211 | io_blocktime = interval; |
1405 | } |
2212 | } |
1406 | |
2213 | |
1407 | void |
2214 | void |
1408 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) |
2215 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW |
1409 | { |
2216 | { |
1410 | timeout_blocktime = interval; |
2217 | timeout_blocktime = interval; |
1411 | } |
2218 | } |
1412 | |
2219 | |
1413 | void |
2220 | void |
1414 | ev_set_userdata (EV_P_ void *data) |
2221 | ev_set_userdata (EV_P_ void *data) EV_THROW |
1415 | { |
2222 | { |
1416 | userdata = data; |
2223 | userdata = data; |
1417 | } |
2224 | } |
1418 | |
2225 | |
1419 | void * |
2226 | void * |
1420 | ev_userdata (EV_P) |
2227 | ev_userdata (EV_P) EV_THROW |
1421 | { |
2228 | { |
1422 | return userdata; |
2229 | return userdata; |
1423 | } |
2230 | } |
1424 | |
2231 | |
|
|
2232 | void |
1425 | void ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) |
2233 | ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) EV_THROW |
1426 | { |
2234 | { |
1427 | invoke_cb = invoke_pending_cb; |
2235 | invoke_cb = invoke_pending_cb; |
1428 | } |
2236 | } |
1429 | |
2237 | |
|
|
2238 | void |
1430 | void ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P)) |
2239 | ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_THROW, void (*acquire)(EV_P) EV_THROW) EV_THROW |
1431 | { |
2240 | { |
1432 | release_cb = release; |
2241 | release_cb = release; |
1433 | acquire_cb = acquire; |
2242 | acquire_cb = acquire; |
1434 | } |
2243 | } |
1435 | #endif |
2244 | #endif |
1436 | |
2245 | |
1437 | /* initialise a loop structure, must be zero-initialised */ |
2246 | /* initialise a loop structure, must be zero-initialised */ |
1438 | static void noinline |
2247 | static void noinline ecb_cold |
1439 | loop_init (EV_P_ unsigned int flags) |
2248 | loop_init (EV_P_ unsigned int flags) EV_THROW |
1440 | { |
2249 | { |
1441 | if (!backend) |
2250 | if (!backend) |
1442 | { |
2251 | { |
|
|
2252 | origflags = flags; |
|
|
2253 | |
1443 | #if EV_USE_REALTIME |
2254 | #if EV_USE_REALTIME |
1444 | if (!have_realtime) |
2255 | if (!have_realtime) |
1445 | { |
2256 | { |
1446 | struct timespec ts; |
2257 | struct timespec ts; |
1447 | |
2258 | |
… | |
… | |
1458 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
2269 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
1459 | have_monotonic = 1; |
2270 | have_monotonic = 1; |
1460 | } |
2271 | } |
1461 | #endif |
2272 | #endif |
1462 | |
2273 | |
1463 | ev_rt_now = ev_time (); |
|
|
1464 | mn_now = get_clock (); |
|
|
1465 | now_floor = mn_now; |
|
|
1466 | rtmn_diff = ev_rt_now - mn_now; |
|
|
1467 | #if EV_MINIMAL < 2 |
|
|
1468 | invoke_cb = ev_invoke_pending; |
|
|
1469 | #endif |
|
|
1470 | |
|
|
1471 | io_blocktime = 0.; |
|
|
1472 | timeout_blocktime = 0.; |
|
|
1473 | backend = 0; |
|
|
1474 | backend_fd = -1; |
|
|
1475 | gotasync = 0; |
|
|
1476 | #if EV_USE_INOTIFY |
|
|
1477 | fs_fd = -2; |
|
|
1478 | #endif |
|
|
1479 | |
|
|
1480 | /* pid check not overridable via env */ |
2274 | /* pid check not overridable via env */ |
1481 | #ifndef _WIN32 |
2275 | #ifndef _WIN32 |
1482 | if (flags & EVFLAG_FORKCHECK) |
2276 | if (flags & EVFLAG_FORKCHECK) |
1483 | curpid = getpid (); |
2277 | curpid = getpid (); |
1484 | #endif |
2278 | #endif |
… | |
… | |
1486 | if (!(flags & EVFLAG_NOENV) |
2280 | if (!(flags & EVFLAG_NOENV) |
1487 | && !enable_secure () |
2281 | && !enable_secure () |
1488 | && getenv ("LIBEV_FLAGS")) |
2282 | && getenv ("LIBEV_FLAGS")) |
1489 | flags = atoi (getenv ("LIBEV_FLAGS")); |
2283 | flags = atoi (getenv ("LIBEV_FLAGS")); |
1490 | |
2284 | |
1491 | if (!(flags & 0x0000ffffU)) |
2285 | ev_rt_now = ev_time (); |
|
|
2286 | mn_now = get_clock (); |
|
|
2287 | now_floor = mn_now; |
|
|
2288 | rtmn_diff = ev_rt_now - mn_now; |
|
|
2289 | #if EV_FEATURE_API |
|
|
2290 | invoke_cb = ev_invoke_pending; |
|
|
2291 | #endif |
|
|
2292 | |
|
|
2293 | io_blocktime = 0.; |
|
|
2294 | timeout_blocktime = 0.; |
|
|
2295 | backend = 0; |
|
|
2296 | backend_fd = -1; |
|
|
2297 | sig_pending = 0; |
|
|
2298 | #if EV_ASYNC_ENABLE |
|
|
2299 | async_pending = 0; |
|
|
2300 | #endif |
|
|
2301 | pipe_write_skipped = 0; |
|
|
2302 | pipe_write_wanted = 0; |
|
|
2303 | #if EV_USE_INOTIFY |
|
|
2304 | fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2; |
|
|
2305 | #endif |
|
|
2306 | #if EV_USE_SIGNALFD |
|
|
2307 | sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1; |
|
|
2308 | #endif |
|
|
2309 | |
|
|
2310 | if (!(flags & EVBACKEND_MASK)) |
1492 | flags |= ev_recommended_backends (); |
2311 | flags |= ev_recommended_backends (); |
1493 | |
2312 | |
|
|
2313 | #if EV_USE_IOCP |
|
|
2314 | if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags); |
|
|
2315 | #endif |
1494 | #if EV_USE_PORT |
2316 | #if EV_USE_PORT |
1495 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
2317 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
1496 | #endif |
2318 | #endif |
1497 | #if EV_USE_KQUEUE |
2319 | #if EV_USE_KQUEUE |
1498 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
2320 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
… | |
… | |
1507 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
2329 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
1508 | #endif |
2330 | #endif |
1509 | |
2331 | |
1510 | ev_prepare_init (&pending_w, pendingcb); |
2332 | ev_prepare_init (&pending_w, pendingcb); |
1511 | |
2333 | |
|
|
2334 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
1512 | ev_init (&pipe_w, pipecb); |
2335 | ev_init (&pipe_w, pipecb); |
1513 | ev_set_priority (&pipe_w, EV_MAXPRI); |
2336 | ev_set_priority (&pipe_w, EV_MAXPRI); |
|
|
2337 | #endif |
1514 | } |
2338 | } |
1515 | } |
2339 | } |
1516 | |
2340 | |
1517 | /* free up a loop structure */ |
2341 | /* free up a loop structure */ |
1518 | static void noinline |
2342 | void ecb_cold |
1519 | loop_destroy (EV_P) |
2343 | ev_loop_destroy (EV_P) |
1520 | { |
2344 | { |
1521 | int i; |
2345 | int i; |
1522 | |
2346 | |
|
|
2347 | #if EV_MULTIPLICITY |
|
|
2348 | /* mimic free (0) */ |
|
|
2349 | if (!EV_A) |
|
|
2350 | return; |
|
|
2351 | #endif |
|
|
2352 | |
|
|
2353 | #if EV_CLEANUP_ENABLE |
|
|
2354 | /* queue cleanup watchers (and execute them) */ |
|
|
2355 | if (expect_false (cleanupcnt)) |
|
|
2356 | { |
|
|
2357 | queue_events (EV_A_ (W *)cleanups, cleanupcnt, EV_CLEANUP); |
|
|
2358 | EV_INVOKE_PENDING; |
|
|
2359 | } |
|
|
2360 | #endif |
|
|
2361 | |
|
|
2362 | #if EV_CHILD_ENABLE |
|
|
2363 | if (ev_is_active (&childev)) |
|
|
2364 | { |
|
|
2365 | ev_ref (EV_A); /* child watcher */ |
|
|
2366 | ev_signal_stop (EV_A_ &childev); |
|
|
2367 | } |
|
|
2368 | #endif |
|
|
2369 | |
1523 | if (ev_is_active (&pipe_w)) |
2370 | if (ev_is_active (&pipe_w)) |
1524 | { |
2371 | { |
1525 | ev_ref (EV_A); /* signal watcher */ |
2372 | /*ev_ref (EV_A);*/ |
1526 | ev_io_stop (EV_A_ &pipe_w); |
2373 | /*ev_io_stop (EV_A_ &pipe_w);*/ |
1527 | |
2374 | |
1528 | #if EV_USE_EVENTFD |
2375 | #if EV_USE_EVENTFD |
1529 | if (evfd >= 0) |
2376 | if (evfd >= 0) |
1530 | close (evfd); |
2377 | close (evfd); |
1531 | #endif |
2378 | #endif |
1532 | |
2379 | |
1533 | if (evpipe [0] >= 0) |
2380 | if (evpipe [0] >= 0) |
1534 | { |
2381 | { |
1535 | close (evpipe [0]); |
2382 | EV_WIN32_CLOSE_FD (evpipe [0]); |
1536 | close (evpipe [1]); |
2383 | EV_WIN32_CLOSE_FD (evpipe [1]); |
1537 | } |
2384 | } |
1538 | } |
2385 | } |
|
|
2386 | |
|
|
2387 | #if EV_USE_SIGNALFD |
|
|
2388 | if (ev_is_active (&sigfd_w)) |
|
|
2389 | close (sigfd); |
|
|
2390 | #endif |
1539 | |
2391 | |
1540 | #if EV_USE_INOTIFY |
2392 | #if EV_USE_INOTIFY |
1541 | if (fs_fd >= 0) |
2393 | if (fs_fd >= 0) |
1542 | close (fs_fd); |
2394 | close (fs_fd); |
1543 | #endif |
2395 | #endif |
1544 | |
2396 | |
1545 | if (backend_fd >= 0) |
2397 | if (backend_fd >= 0) |
1546 | close (backend_fd); |
2398 | close (backend_fd); |
1547 | |
2399 | |
|
|
2400 | #if EV_USE_IOCP |
|
|
2401 | if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A); |
|
|
2402 | #endif |
1548 | #if EV_USE_PORT |
2403 | #if EV_USE_PORT |
1549 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
2404 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
1550 | #endif |
2405 | #endif |
1551 | #if EV_USE_KQUEUE |
2406 | #if EV_USE_KQUEUE |
1552 | if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); |
2407 | if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); |
… | |
… | |
1567 | #if EV_IDLE_ENABLE |
2422 | #if EV_IDLE_ENABLE |
1568 | array_free (idle, [i]); |
2423 | array_free (idle, [i]); |
1569 | #endif |
2424 | #endif |
1570 | } |
2425 | } |
1571 | |
2426 | |
1572 | ev_free (anfds); anfdmax = 0; |
2427 | ev_free (anfds); anfds = 0; anfdmax = 0; |
1573 | |
2428 | |
1574 | /* have to use the microsoft-never-gets-it-right macro */ |
2429 | /* have to use the microsoft-never-gets-it-right macro */ |
1575 | array_free (rfeed, EMPTY); |
2430 | array_free (rfeed, EMPTY); |
1576 | array_free (fdchange, EMPTY); |
2431 | array_free (fdchange, EMPTY); |
1577 | array_free (timer, EMPTY); |
2432 | array_free (timer, EMPTY); |
… | |
… | |
1579 | array_free (periodic, EMPTY); |
2434 | array_free (periodic, EMPTY); |
1580 | #endif |
2435 | #endif |
1581 | #if EV_FORK_ENABLE |
2436 | #if EV_FORK_ENABLE |
1582 | array_free (fork, EMPTY); |
2437 | array_free (fork, EMPTY); |
1583 | #endif |
2438 | #endif |
|
|
2439 | #if EV_CLEANUP_ENABLE |
|
|
2440 | array_free (cleanup, EMPTY); |
|
|
2441 | #endif |
1584 | array_free (prepare, EMPTY); |
2442 | array_free (prepare, EMPTY); |
1585 | array_free (check, EMPTY); |
2443 | array_free (check, EMPTY); |
1586 | #if EV_ASYNC_ENABLE |
2444 | #if EV_ASYNC_ENABLE |
1587 | array_free (async, EMPTY); |
2445 | array_free (async, EMPTY); |
1588 | #endif |
2446 | #endif |
1589 | |
2447 | |
1590 | backend = 0; |
2448 | backend = 0; |
|
|
2449 | |
|
|
2450 | #if EV_MULTIPLICITY |
|
|
2451 | if (ev_is_default_loop (EV_A)) |
|
|
2452 | #endif |
|
|
2453 | ev_default_loop_ptr = 0; |
|
|
2454 | #if EV_MULTIPLICITY |
|
|
2455 | else |
|
|
2456 | ev_free (EV_A); |
|
|
2457 | #endif |
1591 | } |
2458 | } |
1592 | |
2459 | |
1593 | #if EV_USE_INOTIFY |
2460 | #if EV_USE_INOTIFY |
1594 | inline_size void infy_fork (EV_P); |
2461 | inline_size void infy_fork (EV_P); |
1595 | #endif |
2462 | #endif |
… | |
… | |
1610 | infy_fork (EV_A); |
2477 | infy_fork (EV_A); |
1611 | #endif |
2478 | #endif |
1612 | |
2479 | |
1613 | if (ev_is_active (&pipe_w)) |
2480 | if (ev_is_active (&pipe_w)) |
1614 | { |
2481 | { |
1615 | /* this "locks" the handlers against writing to the pipe */ |
2482 | /* pipe_write_wanted must be false now, so modifying fd vars should be safe */ |
1616 | /* while we modify the fd vars */ |
|
|
1617 | gotsig = 1; |
|
|
1618 | #if EV_ASYNC_ENABLE |
|
|
1619 | gotasync = 1; |
|
|
1620 | #endif |
|
|
1621 | |
2483 | |
1622 | ev_ref (EV_A); |
2484 | ev_ref (EV_A); |
1623 | ev_io_stop (EV_A_ &pipe_w); |
2485 | ev_io_stop (EV_A_ &pipe_w); |
1624 | |
2486 | |
1625 | #if EV_USE_EVENTFD |
2487 | #if EV_USE_EVENTFD |
… | |
… | |
1627 | close (evfd); |
2489 | close (evfd); |
1628 | #endif |
2490 | #endif |
1629 | |
2491 | |
1630 | if (evpipe [0] >= 0) |
2492 | if (evpipe [0] >= 0) |
1631 | { |
2493 | { |
1632 | close (evpipe [0]); |
2494 | EV_WIN32_CLOSE_FD (evpipe [0]); |
1633 | close (evpipe [1]); |
2495 | EV_WIN32_CLOSE_FD (evpipe [1]); |
1634 | } |
2496 | } |
1635 | |
2497 | |
|
|
2498 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
1636 | evpipe_init (EV_A); |
2499 | evpipe_init (EV_A); |
1637 | /* now iterate over everything, in case we missed something */ |
2500 | /* now iterate over everything, in case we missed something */ |
1638 | pipecb (EV_A_ &pipe_w, EV_READ); |
2501 | pipecb (EV_A_ &pipe_w, EV_READ); |
|
|
2502 | #endif |
1639 | } |
2503 | } |
1640 | |
2504 | |
1641 | postfork = 0; |
2505 | postfork = 0; |
1642 | } |
2506 | } |
1643 | |
2507 | |
1644 | #if EV_MULTIPLICITY |
2508 | #if EV_MULTIPLICITY |
1645 | |
2509 | |
1646 | struct ev_loop * |
2510 | struct ev_loop * ecb_cold |
1647 | ev_loop_new (unsigned int flags) |
2511 | ev_loop_new (unsigned int flags) EV_THROW |
1648 | { |
2512 | { |
1649 | struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
2513 | EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
1650 | |
2514 | |
1651 | memset (loop, 0, sizeof (struct ev_loop)); |
2515 | memset (EV_A, 0, sizeof (struct ev_loop)); |
1652 | |
|
|
1653 | loop_init (EV_A_ flags); |
2516 | loop_init (EV_A_ flags); |
1654 | |
2517 | |
1655 | if (ev_backend (EV_A)) |
2518 | if (ev_backend (EV_A)) |
1656 | return loop; |
2519 | return EV_A; |
1657 | |
2520 | |
|
|
2521 | ev_free (EV_A); |
1658 | return 0; |
2522 | return 0; |
1659 | } |
2523 | } |
1660 | |
2524 | |
1661 | void |
|
|
1662 | ev_loop_destroy (EV_P) |
|
|
1663 | { |
|
|
1664 | loop_destroy (EV_A); |
|
|
1665 | ev_free (loop); |
|
|
1666 | } |
|
|
1667 | |
|
|
1668 | void |
|
|
1669 | ev_loop_fork (EV_P) |
|
|
1670 | { |
|
|
1671 | postfork = 1; /* must be in line with ev_default_fork */ |
|
|
1672 | } |
|
|
1673 | #endif /* multiplicity */ |
2525 | #endif /* multiplicity */ |
1674 | |
2526 | |
1675 | #if EV_VERIFY |
2527 | #if EV_VERIFY |
1676 | static void noinline |
2528 | static void noinline ecb_cold |
1677 | verify_watcher (EV_P_ W w) |
2529 | verify_watcher (EV_P_ W w) |
1678 | { |
2530 | { |
1679 | assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
2531 | assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
1680 | |
2532 | |
1681 | if (w->pending) |
2533 | if (w->pending) |
1682 | assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
2534 | assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
1683 | } |
2535 | } |
1684 | |
2536 | |
1685 | static void noinline |
2537 | static void noinline ecb_cold |
1686 | verify_heap (EV_P_ ANHE *heap, int N) |
2538 | verify_heap (EV_P_ ANHE *heap, int N) |
1687 | { |
2539 | { |
1688 | int i; |
2540 | int i; |
1689 | |
2541 | |
1690 | for (i = HEAP0; i < N + HEAP0; ++i) |
2542 | for (i = HEAP0; i < N + HEAP0; ++i) |
… | |
… | |
1695 | |
2547 | |
1696 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
2548 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
1697 | } |
2549 | } |
1698 | } |
2550 | } |
1699 | |
2551 | |
1700 | static void noinline |
2552 | static void noinline ecb_cold |
1701 | array_verify (EV_P_ W *ws, int cnt) |
2553 | array_verify (EV_P_ W *ws, int cnt) |
1702 | { |
2554 | { |
1703 | while (cnt--) |
2555 | while (cnt--) |
1704 | { |
2556 | { |
1705 | assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1)); |
2557 | assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1)); |
1706 | verify_watcher (EV_A_ ws [cnt]); |
2558 | verify_watcher (EV_A_ ws [cnt]); |
1707 | } |
2559 | } |
1708 | } |
2560 | } |
1709 | #endif |
2561 | #endif |
1710 | |
2562 | |
1711 | #if EV_MINIMAL < 2 |
2563 | #if EV_FEATURE_API |
1712 | void |
2564 | void ecb_cold |
1713 | ev_loop_verify (EV_P) |
2565 | ev_verify (EV_P) EV_THROW |
1714 | { |
2566 | { |
1715 | #if EV_VERIFY |
2567 | #if EV_VERIFY |
1716 | int i; |
2568 | int i, j; |
1717 | WL w; |
2569 | WL w, w2; |
1718 | |
2570 | |
1719 | assert (activecnt >= -1); |
2571 | assert (activecnt >= -1); |
1720 | |
2572 | |
1721 | assert (fdchangemax >= fdchangecnt); |
2573 | assert (fdchangemax >= fdchangecnt); |
1722 | for (i = 0; i < fdchangecnt; ++i) |
2574 | for (i = 0; i < fdchangecnt; ++i) |
1723 | assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0)); |
2575 | assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0)); |
1724 | |
2576 | |
1725 | assert (anfdmax >= 0); |
2577 | assert (anfdmax >= 0); |
1726 | for (i = 0; i < anfdmax; ++i) |
2578 | for (i = j = 0; i < anfdmax; ++i) |
1727 | for (w = anfds [i].head; w; w = w->next) |
2579 | for (w = w2 = anfds [i].head; w; w = w->next) |
1728 | { |
2580 | { |
1729 | verify_watcher (EV_A_ (W)w); |
2581 | verify_watcher (EV_A_ (W)w); |
|
|
2582 | |
|
|
2583 | if (j++ & 1) |
|
|
2584 | { |
|
|
2585 | assert (("libev: io watcher list contains a loop", w != w2)); |
|
|
2586 | w2 = w2->next; |
|
|
2587 | } |
|
|
2588 | |
1730 | assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1)); |
2589 | assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1)); |
1731 | assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i)); |
2590 | assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i)); |
1732 | } |
2591 | } |
1733 | |
2592 | |
1734 | assert (timermax >= timercnt); |
2593 | assert (timermax >= timercnt); |
… | |
… | |
1752 | #if EV_FORK_ENABLE |
2611 | #if EV_FORK_ENABLE |
1753 | assert (forkmax >= forkcnt); |
2612 | assert (forkmax >= forkcnt); |
1754 | array_verify (EV_A_ (W *)forks, forkcnt); |
2613 | array_verify (EV_A_ (W *)forks, forkcnt); |
1755 | #endif |
2614 | #endif |
1756 | |
2615 | |
|
|
2616 | #if EV_CLEANUP_ENABLE |
|
|
2617 | assert (cleanupmax >= cleanupcnt); |
|
|
2618 | array_verify (EV_A_ (W *)cleanups, cleanupcnt); |
|
|
2619 | #endif |
|
|
2620 | |
1757 | #if EV_ASYNC_ENABLE |
2621 | #if EV_ASYNC_ENABLE |
1758 | assert (asyncmax >= asynccnt); |
2622 | assert (asyncmax >= asynccnt); |
1759 | array_verify (EV_A_ (W *)asyncs, asynccnt); |
2623 | array_verify (EV_A_ (W *)asyncs, asynccnt); |
1760 | #endif |
2624 | #endif |
1761 | |
2625 | |
|
|
2626 | #if EV_PREPARE_ENABLE |
1762 | assert (preparemax >= preparecnt); |
2627 | assert (preparemax >= preparecnt); |
1763 | array_verify (EV_A_ (W *)prepares, preparecnt); |
2628 | array_verify (EV_A_ (W *)prepares, preparecnt); |
|
|
2629 | #endif |
1764 | |
2630 | |
|
|
2631 | #if EV_CHECK_ENABLE |
1765 | assert (checkmax >= checkcnt); |
2632 | assert (checkmax >= checkcnt); |
1766 | array_verify (EV_A_ (W *)checks, checkcnt); |
2633 | array_verify (EV_A_ (W *)checks, checkcnt); |
|
|
2634 | #endif |
1767 | |
2635 | |
1768 | # if 0 |
2636 | # if 0 |
|
|
2637 | #if EV_CHILD_ENABLE |
1769 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
2638 | for (w = (ev_child *)childs [chain & ((EV_PID_HASHSIZE) - 1)]; w; w = (ev_child *)((WL)w)->next) |
1770 | for (signum = signalmax; signum--; ) if (signals [signum].gotsig) |
2639 | for (signum = EV_NSIG; signum--; ) if (signals [signum].pending) |
|
|
2640 | #endif |
1771 | # endif |
2641 | # endif |
1772 | #endif |
2642 | #endif |
1773 | } |
2643 | } |
1774 | #endif |
2644 | #endif |
1775 | |
2645 | |
1776 | #if EV_MULTIPLICITY |
2646 | #if EV_MULTIPLICITY |
1777 | struct ev_loop * |
2647 | struct ev_loop * ecb_cold |
1778 | ev_default_loop_init (unsigned int flags) |
|
|
1779 | #else |
2648 | #else |
1780 | int |
2649 | int |
|
|
2650 | #endif |
1781 | ev_default_loop (unsigned int flags) |
2651 | ev_default_loop (unsigned int flags) EV_THROW |
1782 | #endif |
|
|
1783 | { |
2652 | { |
1784 | if (!ev_default_loop_ptr) |
2653 | if (!ev_default_loop_ptr) |
1785 | { |
2654 | { |
1786 | #if EV_MULTIPLICITY |
2655 | #if EV_MULTIPLICITY |
1787 | struct ev_loop *loop = ev_default_loop_ptr = &default_loop_struct; |
2656 | EV_P = ev_default_loop_ptr = &default_loop_struct; |
1788 | #else |
2657 | #else |
1789 | ev_default_loop_ptr = 1; |
2658 | ev_default_loop_ptr = 1; |
1790 | #endif |
2659 | #endif |
1791 | |
2660 | |
1792 | loop_init (EV_A_ flags); |
2661 | loop_init (EV_A_ flags); |
1793 | |
2662 | |
1794 | if (ev_backend (EV_A)) |
2663 | if (ev_backend (EV_A)) |
1795 | { |
2664 | { |
1796 | #ifndef _WIN32 |
2665 | #if EV_CHILD_ENABLE |
1797 | ev_signal_init (&childev, childcb, SIGCHLD); |
2666 | ev_signal_init (&childev, childcb, SIGCHLD); |
1798 | ev_set_priority (&childev, EV_MAXPRI); |
2667 | ev_set_priority (&childev, EV_MAXPRI); |
1799 | ev_signal_start (EV_A_ &childev); |
2668 | ev_signal_start (EV_A_ &childev); |
1800 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
2669 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
1801 | #endif |
2670 | #endif |
… | |
… | |
1806 | |
2675 | |
1807 | return ev_default_loop_ptr; |
2676 | return ev_default_loop_ptr; |
1808 | } |
2677 | } |
1809 | |
2678 | |
1810 | void |
2679 | void |
1811 | ev_default_destroy (void) |
2680 | ev_loop_fork (EV_P) EV_THROW |
1812 | { |
2681 | { |
1813 | #if EV_MULTIPLICITY |
|
|
1814 | struct ev_loop *loop = ev_default_loop_ptr; |
|
|
1815 | #endif |
|
|
1816 | |
|
|
1817 | ev_default_loop_ptr = 0; |
|
|
1818 | |
|
|
1819 | #ifndef _WIN32 |
|
|
1820 | ev_ref (EV_A); /* child watcher */ |
|
|
1821 | ev_signal_stop (EV_A_ &childev); |
|
|
1822 | #endif |
|
|
1823 | |
|
|
1824 | loop_destroy (EV_A); |
|
|
1825 | } |
|
|
1826 | |
|
|
1827 | void |
|
|
1828 | ev_default_fork (void) |
|
|
1829 | { |
|
|
1830 | #if EV_MULTIPLICITY |
|
|
1831 | struct ev_loop *loop = ev_default_loop_ptr; |
|
|
1832 | #endif |
|
|
1833 | |
|
|
1834 | postfork = 1; /* must be in line with ev_loop_fork */ |
2682 | postfork = 1; /* must be in line with ev_default_fork */ |
1835 | } |
2683 | } |
1836 | |
2684 | |
1837 | /*****************************************************************************/ |
2685 | /*****************************************************************************/ |
1838 | |
2686 | |
1839 | void |
2687 | void |
… | |
… | |
1841 | { |
2689 | { |
1842 | EV_CB_INVOKE ((W)w, revents); |
2690 | EV_CB_INVOKE ((W)w, revents); |
1843 | } |
2691 | } |
1844 | |
2692 | |
1845 | unsigned int |
2693 | unsigned int |
1846 | ev_pending_count (EV_P) |
2694 | ev_pending_count (EV_P) EV_THROW |
1847 | { |
2695 | { |
1848 | int pri; |
2696 | int pri; |
1849 | unsigned int count = 0; |
2697 | unsigned int count = 0; |
1850 | |
2698 | |
1851 | for (pri = NUMPRI; pri--; ) |
2699 | for (pri = NUMPRI; pri--; ) |
… | |
… | |
1855 | } |
2703 | } |
1856 | |
2704 | |
1857 | void noinline |
2705 | void noinline |
1858 | ev_invoke_pending (EV_P) |
2706 | ev_invoke_pending (EV_P) |
1859 | { |
2707 | { |
1860 | int pri; |
2708 | for (pendingpri = NUMPRI; pendingpri--; ) /* pendingpri is modified during the loop */ |
1861 | |
|
|
1862 | for (pri = NUMPRI; pri--; ) |
|
|
1863 | while (pendingcnt [pri]) |
2709 | while (pendingcnt [pendingpri]) |
1864 | { |
2710 | { |
1865 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
2711 | ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri]; |
1866 | |
|
|
1867 | /*assert (("libev: non-pending watcher on pending list", p->w->pending));*/ |
|
|
1868 | /* ^ this is no longer true, as pending_w could be here */ |
|
|
1869 | |
2712 | |
1870 | p->w->pending = 0; |
2713 | p->w->pending = 0; |
1871 | EV_CB_INVOKE (p->w, p->events); |
2714 | EV_CB_INVOKE (p->w, p->events); |
1872 | EV_FREQUENT_CHECK; |
2715 | EV_FREQUENT_CHECK; |
1873 | } |
2716 | } |
… | |
… | |
1930 | EV_FREQUENT_CHECK; |
2773 | EV_FREQUENT_CHECK; |
1931 | feed_reverse (EV_A_ (W)w); |
2774 | feed_reverse (EV_A_ (W)w); |
1932 | } |
2775 | } |
1933 | while (timercnt && ANHE_at (timers [HEAP0]) < mn_now); |
2776 | while (timercnt && ANHE_at (timers [HEAP0]) < mn_now); |
1934 | |
2777 | |
1935 | feed_reverse_done (EV_A_ EV_TIMEOUT); |
2778 | feed_reverse_done (EV_A_ EV_TIMER); |
1936 | } |
2779 | } |
1937 | } |
2780 | } |
1938 | |
2781 | |
1939 | #if EV_PERIODIC_ENABLE |
2782 | #if EV_PERIODIC_ENABLE |
|
|
2783 | |
|
|
2784 | static void noinline |
|
|
2785 | periodic_recalc (EV_P_ ev_periodic *w) |
|
|
2786 | { |
|
|
2787 | ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL; |
|
|
2788 | ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval); |
|
|
2789 | |
|
|
2790 | /* the above almost always errs on the low side */ |
|
|
2791 | while (at <= ev_rt_now) |
|
|
2792 | { |
|
|
2793 | ev_tstamp nat = at + w->interval; |
|
|
2794 | |
|
|
2795 | /* when resolution fails us, we use ev_rt_now */ |
|
|
2796 | if (expect_false (nat == at)) |
|
|
2797 | { |
|
|
2798 | at = ev_rt_now; |
|
|
2799 | break; |
|
|
2800 | } |
|
|
2801 | |
|
|
2802 | at = nat; |
|
|
2803 | } |
|
|
2804 | |
|
|
2805 | ev_at (w) = at; |
|
|
2806 | } |
|
|
2807 | |
1940 | /* make periodics pending */ |
2808 | /* make periodics pending */ |
1941 | inline_size void |
2809 | inline_size void |
1942 | periodics_reify (EV_P) |
2810 | periodics_reify (EV_P) |
1943 | { |
2811 | { |
1944 | EV_FREQUENT_CHECK; |
2812 | EV_FREQUENT_CHECK; |
… | |
… | |
1963 | ANHE_at_cache (periodics [HEAP0]); |
2831 | ANHE_at_cache (periodics [HEAP0]); |
1964 | downheap (periodics, periodiccnt, HEAP0); |
2832 | downheap (periodics, periodiccnt, HEAP0); |
1965 | } |
2833 | } |
1966 | else if (w->interval) |
2834 | else if (w->interval) |
1967 | { |
2835 | { |
1968 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
2836 | periodic_recalc (EV_A_ w); |
1969 | /* if next trigger time is not sufficiently in the future, put it there */ |
|
|
1970 | /* this might happen because of floating point inexactness */ |
|
|
1971 | if (ev_at (w) - ev_rt_now < TIME_EPSILON) |
|
|
1972 | { |
|
|
1973 | ev_at (w) += w->interval; |
|
|
1974 | |
|
|
1975 | /* if interval is unreasonably low we might still have a time in the past */ |
|
|
1976 | /* so correct this. this will make the periodic very inexact, but the user */ |
|
|
1977 | /* has effectively asked to get triggered more often than possible */ |
|
|
1978 | if (ev_at (w) < ev_rt_now) |
|
|
1979 | ev_at (w) = ev_rt_now; |
|
|
1980 | } |
|
|
1981 | |
|
|
1982 | ANHE_at_cache (periodics [HEAP0]); |
2837 | ANHE_at_cache (periodics [HEAP0]); |
1983 | downheap (periodics, periodiccnt, HEAP0); |
2838 | downheap (periodics, periodiccnt, HEAP0); |
1984 | } |
2839 | } |
1985 | else |
2840 | else |
1986 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
2841 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
… | |
… | |
1993 | feed_reverse_done (EV_A_ EV_PERIODIC); |
2848 | feed_reverse_done (EV_A_ EV_PERIODIC); |
1994 | } |
2849 | } |
1995 | } |
2850 | } |
1996 | |
2851 | |
1997 | /* simply recalculate all periodics */ |
2852 | /* simply recalculate all periodics */ |
1998 | /* TODO: maybe ensure that at leats one event happens when jumping forward? */ |
2853 | /* TODO: maybe ensure that at least one event happens when jumping forward? */ |
1999 | static void noinline |
2854 | static void noinline ecb_cold |
2000 | periodics_reschedule (EV_P) |
2855 | periodics_reschedule (EV_P) |
2001 | { |
2856 | { |
2002 | int i; |
2857 | int i; |
2003 | |
2858 | |
2004 | /* adjust periodics after time jump */ |
2859 | /* adjust periodics after time jump */ |
… | |
… | |
2007 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [i]); |
2862 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [i]); |
2008 | |
2863 | |
2009 | if (w->reschedule_cb) |
2864 | if (w->reschedule_cb) |
2010 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
2865 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
2011 | else if (w->interval) |
2866 | else if (w->interval) |
2012 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
2867 | periodic_recalc (EV_A_ w); |
2013 | |
2868 | |
2014 | ANHE_at_cache (periodics [i]); |
2869 | ANHE_at_cache (periodics [i]); |
2015 | } |
2870 | } |
2016 | |
2871 | |
2017 | reheap (periodics, periodiccnt); |
2872 | reheap (periodics, periodiccnt); |
2018 | } |
2873 | } |
2019 | #endif |
2874 | #endif |
2020 | |
2875 | |
2021 | /* adjust all timers by a given offset */ |
2876 | /* adjust all timers by a given offset */ |
2022 | static void noinline |
2877 | static void noinline ecb_cold |
2023 | timers_reschedule (EV_P_ ev_tstamp adjust) |
2878 | timers_reschedule (EV_P_ ev_tstamp adjust) |
2024 | { |
2879 | { |
2025 | int i; |
2880 | int i; |
2026 | |
2881 | |
2027 | for (i = 0; i < timercnt; ++i) |
2882 | for (i = 0; i < timercnt; ++i) |
… | |
… | |
2031 | ANHE_at_cache (*he); |
2886 | ANHE_at_cache (*he); |
2032 | } |
2887 | } |
2033 | } |
2888 | } |
2034 | |
2889 | |
2035 | /* fetch new monotonic and realtime times from the kernel */ |
2890 | /* fetch new monotonic and realtime times from the kernel */ |
2036 | /* also detetc if there was a timejump, and act accordingly */ |
2891 | /* also detect if there was a timejump, and act accordingly */ |
2037 | inline_speed void |
2892 | inline_speed void |
2038 | time_update (EV_P_ ev_tstamp max_block) |
2893 | time_update (EV_P_ ev_tstamp max_block) |
2039 | { |
2894 | { |
2040 | #if EV_USE_MONOTONIC |
2895 | #if EV_USE_MONOTONIC |
2041 | if (expect_true (have_monotonic)) |
2896 | if (expect_true (have_monotonic)) |
… | |
… | |
2064 | * doesn't hurt either as we only do this on time-jumps or |
2919 | * doesn't hurt either as we only do this on time-jumps or |
2065 | * in the unlikely event of having been preempted here. |
2920 | * in the unlikely event of having been preempted here. |
2066 | */ |
2921 | */ |
2067 | for (i = 4; --i; ) |
2922 | for (i = 4; --i; ) |
2068 | { |
2923 | { |
|
|
2924 | ev_tstamp diff; |
2069 | rtmn_diff = ev_rt_now - mn_now; |
2925 | rtmn_diff = ev_rt_now - mn_now; |
2070 | |
2926 | |
|
|
2927 | diff = odiff - rtmn_diff; |
|
|
2928 | |
2071 | if (expect_true (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)) |
2929 | if (expect_true ((diff < 0. ? -diff : diff) < MIN_TIMEJUMP)) |
2072 | return; /* all is well */ |
2930 | return; /* all is well */ |
2073 | |
2931 | |
2074 | ev_rt_now = ev_time (); |
2932 | ev_rt_now = ev_time (); |
2075 | mn_now = get_clock (); |
2933 | mn_now = get_clock (); |
2076 | now_floor = mn_now; |
2934 | now_floor = mn_now; |
… | |
… | |
2098 | |
2956 | |
2099 | mn_now = ev_rt_now; |
2957 | mn_now = ev_rt_now; |
2100 | } |
2958 | } |
2101 | } |
2959 | } |
2102 | |
2960 | |
2103 | void |
2961 | int |
2104 | ev_loop (EV_P_ int flags) |
2962 | ev_run (EV_P_ int flags) |
2105 | { |
2963 | { |
2106 | #if EV_MINIMAL < 2 |
2964 | #if EV_FEATURE_API |
2107 | ++loop_depth; |
2965 | ++loop_depth; |
2108 | #endif |
2966 | #endif |
2109 | |
2967 | |
2110 | assert (("libev: ev_loop recursion during release detected", loop_done != EVUNLOOP_RECURSE)); |
2968 | assert (("libev: ev_loop recursion during release detected", loop_done != EVBREAK_RECURSE)); |
2111 | |
2969 | |
2112 | loop_done = EVUNLOOP_CANCEL; |
2970 | loop_done = EVBREAK_CANCEL; |
2113 | |
2971 | |
2114 | EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */ |
2972 | EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */ |
2115 | |
2973 | |
2116 | do |
2974 | do |
2117 | { |
2975 | { |
2118 | #if EV_VERIFY >= 2 |
2976 | #if EV_VERIFY >= 2 |
2119 | ev_loop_verify (EV_A); |
2977 | ev_verify (EV_A); |
2120 | #endif |
2978 | #endif |
2121 | |
2979 | |
2122 | #ifndef _WIN32 |
2980 | #ifndef _WIN32 |
2123 | if (expect_false (curpid)) /* penalise the forking check even more */ |
2981 | if (expect_false (curpid)) /* penalise the forking check even more */ |
2124 | if (expect_false (getpid () != curpid)) |
2982 | if (expect_false (getpid () != curpid)) |
… | |
… | |
2136 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
2994 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
2137 | EV_INVOKE_PENDING; |
2995 | EV_INVOKE_PENDING; |
2138 | } |
2996 | } |
2139 | #endif |
2997 | #endif |
2140 | |
2998 | |
|
|
2999 | #if EV_PREPARE_ENABLE |
2141 | /* queue prepare watchers (and execute them) */ |
3000 | /* queue prepare watchers (and execute them) */ |
2142 | if (expect_false (preparecnt)) |
3001 | if (expect_false (preparecnt)) |
2143 | { |
3002 | { |
2144 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
3003 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
2145 | EV_INVOKE_PENDING; |
3004 | EV_INVOKE_PENDING; |
2146 | } |
3005 | } |
|
|
3006 | #endif |
2147 | |
3007 | |
2148 | if (expect_false (loop_done)) |
3008 | if (expect_false (loop_done)) |
2149 | break; |
3009 | break; |
2150 | |
3010 | |
2151 | /* we might have forked, so reify kernel state if necessary */ |
3011 | /* we might have forked, so reify kernel state if necessary */ |
… | |
… | |
2158 | /* calculate blocking time */ |
3018 | /* calculate blocking time */ |
2159 | { |
3019 | { |
2160 | ev_tstamp waittime = 0.; |
3020 | ev_tstamp waittime = 0.; |
2161 | ev_tstamp sleeptime = 0.; |
3021 | ev_tstamp sleeptime = 0.; |
2162 | |
3022 | |
|
|
3023 | /* remember old timestamp for io_blocktime calculation */ |
|
|
3024 | ev_tstamp prev_mn_now = mn_now; |
|
|
3025 | |
|
|
3026 | /* update time to cancel out callback processing overhead */ |
|
|
3027 | time_update (EV_A_ 1e100); |
|
|
3028 | |
|
|
3029 | /* from now on, we want a pipe-wake-up */ |
|
|
3030 | pipe_write_wanted = 1; |
|
|
3031 | |
|
|
3032 | ECB_MEMORY_FENCE; /* make sure pipe_write_wanted is visible before we check for potential skips */ |
|
|
3033 | |
2163 | if (expect_true (!(flags & EVLOOP_NONBLOCK || idleall || !activecnt))) |
3034 | if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped))) |
2164 | { |
3035 | { |
2165 | /* remember old timestamp for io_blocktime calculation */ |
|
|
2166 | ev_tstamp prev_mn_now = mn_now; |
|
|
2167 | |
|
|
2168 | /* update time to cancel out callback processing overhead */ |
|
|
2169 | time_update (EV_A_ 1e100); |
|
|
2170 | |
|
|
2171 | waittime = MAX_BLOCKTIME; |
3036 | waittime = MAX_BLOCKTIME; |
2172 | |
3037 | |
2173 | if (timercnt) |
3038 | if (timercnt) |
2174 | { |
3039 | { |
2175 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge; |
3040 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now; |
2176 | if (waittime > to) waittime = to; |
3041 | if (waittime > to) waittime = to; |
2177 | } |
3042 | } |
2178 | |
3043 | |
2179 | #if EV_PERIODIC_ENABLE |
3044 | #if EV_PERIODIC_ENABLE |
2180 | if (periodiccnt) |
3045 | if (periodiccnt) |
2181 | { |
3046 | { |
2182 | ev_tstamp to = ANHE_at (periodics [HEAP0]) - ev_rt_now + backend_fudge; |
3047 | ev_tstamp to = ANHE_at (periodics [HEAP0]) - ev_rt_now; |
2183 | if (waittime > to) waittime = to; |
3048 | if (waittime > to) waittime = to; |
2184 | } |
3049 | } |
2185 | #endif |
3050 | #endif |
2186 | |
3051 | |
2187 | /* don't let timeouts decrease the waittime below timeout_blocktime */ |
3052 | /* don't let timeouts decrease the waittime below timeout_blocktime */ |
2188 | if (expect_false (waittime < timeout_blocktime)) |
3053 | if (expect_false (waittime < timeout_blocktime)) |
2189 | waittime = timeout_blocktime; |
3054 | waittime = timeout_blocktime; |
|
|
3055 | |
|
|
3056 | /* at this point, we NEED to wait, so we have to ensure */ |
|
|
3057 | /* to pass a minimum nonzero value to the backend */ |
|
|
3058 | if (expect_false (waittime < backend_mintime)) |
|
|
3059 | waittime = backend_mintime; |
2190 | |
3060 | |
2191 | /* extra check because io_blocktime is commonly 0 */ |
3061 | /* extra check because io_blocktime is commonly 0 */ |
2192 | if (expect_false (io_blocktime)) |
3062 | if (expect_false (io_blocktime)) |
2193 | { |
3063 | { |
2194 | sleeptime = io_blocktime - (mn_now - prev_mn_now); |
3064 | sleeptime = io_blocktime - (mn_now - prev_mn_now); |
2195 | |
3065 | |
2196 | if (sleeptime > waittime - backend_fudge) |
3066 | if (sleeptime > waittime - backend_mintime) |
2197 | sleeptime = waittime - backend_fudge; |
3067 | sleeptime = waittime - backend_mintime; |
2198 | |
3068 | |
2199 | if (expect_true (sleeptime > 0.)) |
3069 | if (expect_true (sleeptime > 0.)) |
2200 | { |
3070 | { |
2201 | ev_sleep (sleeptime); |
3071 | ev_sleep (sleeptime); |
2202 | waittime -= sleeptime; |
3072 | waittime -= sleeptime; |
2203 | } |
3073 | } |
2204 | } |
3074 | } |
2205 | } |
3075 | } |
2206 | |
3076 | |
2207 | #if EV_MINIMAL < 2 |
3077 | #if EV_FEATURE_API |
2208 | ++loop_count; |
3078 | ++loop_count; |
2209 | #endif |
3079 | #endif |
2210 | assert ((loop_done = EVUNLOOP_RECURSE, 1)); /* assert for side effect */ |
3080 | assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */ |
2211 | backend_poll (EV_A_ waittime); |
3081 | backend_poll (EV_A_ waittime); |
2212 | assert ((loop_done = EVUNLOOP_CANCEL, 1)); /* assert for side effect */ |
3082 | assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */ |
|
|
3083 | |
|
|
3084 | pipe_write_wanted = 0; /* just an optimisation, no fence needed */ |
|
|
3085 | |
|
|
3086 | if (pipe_write_skipped) |
|
|
3087 | { |
|
|
3088 | assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w))); |
|
|
3089 | ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM); |
|
|
3090 | } |
|
|
3091 | |
2213 | |
3092 | |
2214 | /* update ev_rt_now, do magic */ |
3093 | /* update ev_rt_now, do magic */ |
2215 | time_update (EV_A_ waittime + sleeptime); |
3094 | time_update (EV_A_ waittime + sleeptime); |
2216 | } |
3095 | } |
2217 | |
3096 | |
… | |
… | |
2224 | #if EV_IDLE_ENABLE |
3103 | #if EV_IDLE_ENABLE |
2225 | /* queue idle watchers unless other events are pending */ |
3104 | /* queue idle watchers unless other events are pending */ |
2226 | idle_reify (EV_A); |
3105 | idle_reify (EV_A); |
2227 | #endif |
3106 | #endif |
2228 | |
3107 | |
|
|
3108 | #if EV_CHECK_ENABLE |
2229 | /* queue check watchers, to be executed first */ |
3109 | /* queue check watchers, to be executed first */ |
2230 | if (expect_false (checkcnt)) |
3110 | if (expect_false (checkcnt)) |
2231 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
3111 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
|
|
3112 | #endif |
2232 | |
3113 | |
2233 | EV_INVOKE_PENDING; |
3114 | EV_INVOKE_PENDING; |
2234 | } |
3115 | } |
2235 | while (expect_true ( |
3116 | while (expect_true ( |
2236 | activecnt |
3117 | activecnt |
2237 | && !loop_done |
3118 | && !loop_done |
2238 | && !(flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK)) |
3119 | && !(flags & (EVRUN_ONCE | EVRUN_NOWAIT)) |
2239 | )); |
3120 | )); |
2240 | |
3121 | |
2241 | if (loop_done == EVUNLOOP_ONE) |
3122 | if (loop_done == EVBREAK_ONE) |
2242 | loop_done = EVUNLOOP_CANCEL; |
3123 | loop_done = EVBREAK_CANCEL; |
2243 | |
3124 | |
2244 | #if EV_MINIMAL < 2 |
3125 | #if EV_FEATURE_API |
2245 | --loop_depth; |
3126 | --loop_depth; |
2246 | #endif |
3127 | #endif |
|
|
3128 | |
|
|
3129 | return activecnt; |
2247 | } |
3130 | } |
2248 | |
3131 | |
2249 | void |
3132 | void |
2250 | ev_unloop (EV_P_ int how) |
3133 | ev_break (EV_P_ int how) EV_THROW |
2251 | { |
3134 | { |
2252 | loop_done = how; |
3135 | loop_done = how; |
2253 | } |
3136 | } |
2254 | |
3137 | |
2255 | void |
3138 | void |
2256 | ev_ref (EV_P) |
3139 | ev_ref (EV_P) EV_THROW |
2257 | { |
3140 | { |
2258 | ++activecnt; |
3141 | ++activecnt; |
2259 | } |
3142 | } |
2260 | |
3143 | |
2261 | void |
3144 | void |
2262 | ev_unref (EV_P) |
3145 | ev_unref (EV_P) EV_THROW |
2263 | { |
3146 | { |
2264 | --activecnt; |
3147 | --activecnt; |
2265 | } |
3148 | } |
2266 | |
3149 | |
2267 | void |
3150 | void |
2268 | ev_now_update (EV_P) |
3151 | ev_now_update (EV_P) EV_THROW |
2269 | { |
3152 | { |
2270 | time_update (EV_A_ 1e100); |
3153 | time_update (EV_A_ 1e100); |
2271 | } |
3154 | } |
2272 | |
3155 | |
2273 | void |
3156 | void |
2274 | ev_suspend (EV_P) |
3157 | ev_suspend (EV_P) EV_THROW |
2275 | { |
3158 | { |
2276 | ev_now_update (EV_A); |
3159 | ev_now_update (EV_A); |
2277 | } |
3160 | } |
2278 | |
3161 | |
2279 | void |
3162 | void |
2280 | ev_resume (EV_P) |
3163 | ev_resume (EV_P) EV_THROW |
2281 | { |
3164 | { |
2282 | ev_tstamp mn_prev = mn_now; |
3165 | ev_tstamp mn_prev = mn_now; |
2283 | |
3166 | |
2284 | ev_now_update (EV_A); |
3167 | ev_now_update (EV_A); |
2285 | timers_reschedule (EV_A_ mn_now - mn_prev); |
3168 | timers_reschedule (EV_A_ mn_now - mn_prev); |
… | |
… | |
2302 | inline_size void |
3185 | inline_size void |
2303 | wlist_del (WL *head, WL elem) |
3186 | wlist_del (WL *head, WL elem) |
2304 | { |
3187 | { |
2305 | while (*head) |
3188 | while (*head) |
2306 | { |
3189 | { |
2307 | if (*head == elem) |
3190 | if (expect_true (*head == elem)) |
2308 | { |
3191 | { |
2309 | *head = elem->next; |
3192 | *head = elem->next; |
2310 | return; |
3193 | break; |
2311 | } |
3194 | } |
2312 | |
3195 | |
2313 | head = &(*head)->next; |
3196 | head = &(*head)->next; |
2314 | } |
3197 | } |
2315 | } |
3198 | } |
… | |
… | |
2324 | w->pending = 0; |
3207 | w->pending = 0; |
2325 | } |
3208 | } |
2326 | } |
3209 | } |
2327 | |
3210 | |
2328 | int |
3211 | int |
2329 | ev_clear_pending (EV_P_ void *w) |
3212 | ev_clear_pending (EV_P_ void *w) EV_THROW |
2330 | { |
3213 | { |
2331 | W w_ = (W)w; |
3214 | W w_ = (W)w; |
2332 | int pending = w_->pending; |
3215 | int pending = w_->pending; |
2333 | |
3216 | |
2334 | if (expect_true (pending)) |
3217 | if (expect_true (pending)) |
… | |
… | |
2367 | } |
3250 | } |
2368 | |
3251 | |
2369 | /*****************************************************************************/ |
3252 | /*****************************************************************************/ |
2370 | |
3253 | |
2371 | void noinline |
3254 | void noinline |
2372 | ev_io_start (EV_P_ ev_io *w) |
3255 | ev_io_start (EV_P_ ev_io *w) EV_THROW |
2373 | { |
3256 | { |
2374 | int fd = w->fd; |
3257 | int fd = w->fd; |
2375 | |
3258 | |
2376 | if (expect_false (ev_is_active (w))) |
3259 | if (expect_false (ev_is_active (w))) |
2377 | return; |
3260 | return; |
2378 | |
3261 | |
2379 | assert (("libev: ev_io_start called with negative fd", fd >= 0)); |
3262 | assert (("libev: ev_io_start called with negative fd", fd >= 0)); |
2380 | assert (("libev: ev_io start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); |
3263 | assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); |
2381 | |
3264 | |
2382 | EV_FREQUENT_CHECK; |
3265 | EV_FREQUENT_CHECK; |
2383 | |
3266 | |
2384 | ev_start (EV_A_ (W)w, 1); |
3267 | ev_start (EV_A_ (W)w, 1); |
2385 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
3268 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
2386 | wlist_add (&anfds[fd].head, (WL)w); |
3269 | wlist_add (&anfds[fd].head, (WL)w); |
2387 | |
3270 | |
|
|
3271 | /* common bug, apparently */ |
|
|
3272 | assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w)); |
|
|
3273 | |
2388 | fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY); |
3274 | fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY); |
2389 | w->events &= ~EV__IOFDSET; |
3275 | w->events &= ~EV__IOFDSET; |
2390 | |
3276 | |
2391 | EV_FREQUENT_CHECK; |
3277 | EV_FREQUENT_CHECK; |
2392 | } |
3278 | } |
2393 | |
3279 | |
2394 | void noinline |
3280 | void noinline |
2395 | ev_io_stop (EV_P_ ev_io *w) |
3281 | ev_io_stop (EV_P_ ev_io *w) EV_THROW |
2396 | { |
3282 | { |
2397 | clear_pending (EV_A_ (W)w); |
3283 | clear_pending (EV_A_ (W)w); |
2398 | if (expect_false (!ev_is_active (w))) |
3284 | if (expect_false (!ev_is_active (w))) |
2399 | return; |
3285 | return; |
2400 | |
3286 | |
… | |
… | |
2403 | EV_FREQUENT_CHECK; |
3289 | EV_FREQUENT_CHECK; |
2404 | |
3290 | |
2405 | wlist_del (&anfds[w->fd].head, (WL)w); |
3291 | wlist_del (&anfds[w->fd].head, (WL)w); |
2406 | ev_stop (EV_A_ (W)w); |
3292 | ev_stop (EV_A_ (W)w); |
2407 | |
3293 | |
2408 | fd_change (EV_A_ w->fd, 1); |
3294 | fd_change (EV_A_ w->fd, EV_ANFD_REIFY); |
2409 | |
3295 | |
2410 | EV_FREQUENT_CHECK; |
3296 | EV_FREQUENT_CHECK; |
2411 | } |
3297 | } |
2412 | |
3298 | |
2413 | void noinline |
3299 | void noinline |
2414 | ev_timer_start (EV_P_ ev_timer *w) |
3300 | ev_timer_start (EV_P_ ev_timer *w) EV_THROW |
2415 | { |
3301 | { |
2416 | if (expect_false (ev_is_active (w))) |
3302 | if (expect_false (ev_is_active (w))) |
2417 | return; |
3303 | return; |
2418 | |
3304 | |
2419 | ev_at (w) += mn_now; |
3305 | ev_at (w) += mn_now; |
… | |
… | |
2433 | |
3319 | |
2434 | /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
3320 | /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
2435 | } |
3321 | } |
2436 | |
3322 | |
2437 | void noinline |
3323 | void noinline |
2438 | ev_timer_stop (EV_P_ ev_timer *w) |
3324 | ev_timer_stop (EV_P_ ev_timer *w) EV_THROW |
2439 | { |
3325 | { |
2440 | clear_pending (EV_A_ (W)w); |
3326 | clear_pending (EV_A_ (W)w); |
2441 | if (expect_false (!ev_is_active (w))) |
3327 | if (expect_false (!ev_is_active (w))) |
2442 | return; |
3328 | return; |
2443 | |
3329 | |
… | |
… | |
2455 | timers [active] = timers [timercnt + HEAP0]; |
3341 | timers [active] = timers [timercnt + HEAP0]; |
2456 | adjustheap (timers, timercnt, active); |
3342 | adjustheap (timers, timercnt, active); |
2457 | } |
3343 | } |
2458 | } |
3344 | } |
2459 | |
3345 | |
2460 | EV_FREQUENT_CHECK; |
|
|
2461 | |
|
|
2462 | ev_at (w) -= mn_now; |
3346 | ev_at (w) -= mn_now; |
2463 | |
3347 | |
2464 | ev_stop (EV_A_ (W)w); |
3348 | ev_stop (EV_A_ (W)w); |
|
|
3349 | |
|
|
3350 | EV_FREQUENT_CHECK; |
2465 | } |
3351 | } |
2466 | |
3352 | |
2467 | void noinline |
3353 | void noinline |
2468 | ev_timer_again (EV_P_ ev_timer *w) |
3354 | ev_timer_again (EV_P_ ev_timer *w) EV_THROW |
2469 | { |
3355 | { |
2470 | EV_FREQUENT_CHECK; |
3356 | EV_FREQUENT_CHECK; |
|
|
3357 | |
|
|
3358 | clear_pending (EV_A_ (W)w); |
2471 | |
3359 | |
2472 | if (ev_is_active (w)) |
3360 | if (ev_is_active (w)) |
2473 | { |
3361 | { |
2474 | if (w->repeat) |
3362 | if (w->repeat) |
2475 | { |
3363 | { |
… | |
… | |
2488 | |
3376 | |
2489 | EV_FREQUENT_CHECK; |
3377 | EV_FREQUENT_CHECK; |
2490 | } |
3378 | } |
2491 | |
3379 | |
2492 | ev_tstamp |
3380 | ev_tstamp |
2493 | ev_timer_remaining (EV_P_ ev_timer *w) |
3381 | ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW |
2494 | { |
3382 | { |
2495 | return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); |
3383 | return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); |
2496 | } |
3384 | } |
2497 | |
3385 | |
2498 | #if EV_PERIODIC_ENABLE |
3386 | #if EV_PERIODIC_ENABLE |
2499 | void noinline |
3387 | void noinline |
2500 | ev_periodic_start (EV_P_ ev_periodic *w) |
3388 | ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW |
2501 | { |
3389 | { |
2502 | if (expect_false (ev_is_active (w))) |
3390 | if (expect_false (ev_is_active (w))) |
2503 | return; |
3391 | return; |
2504 | |
3392 | |
2505 | if (w->reschedule_cb) |
3393 | if (w->reschedule_cb) |
2506 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
3394 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
2507 | else if (w->interval) |
3395 | else if (w->interval) |
2508 | { |
3396 | { |
2509 | assert (("libev: ev_periodic_start called with negative interval value", w->interval >= 0.)); |
3397 | assert (("libev: ev_periodic_start called with negative interval value", w->interval >= 0.)); |
2510 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
3398 | periodic_recalc (EV_A_ w); |
2511 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
2512 | } |
3399 | } |
2513 | else |
3400 | else |
2514 | ev_at (w) = w->offset; |
3401 | ev_at (w) = w->offset; |
2515 | |
3402 | |
2516 | EV_FREQUENT_CHECK; |
3403 | EV_FREQUENT_CHECK; |
… | |
… | |
2526 | |
3413 | |
2527 | /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
3414 | /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
2528 | } |
3415 | } |
2529 | |
3416 | |
2530 | void noinline |
3417 | void noinline |
2531 | ev_periodic_stop (EV_P_ ev_periodic *w) |
3418 | ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW |
2532 | { |
3419 | { |
2533 | clear_pending (EV_A_ (W)w); |
3420 | clear_pending (EV_A_ (W)w); |
2534 | if (expect_false (!ev_is_active (w))) |
3421 | if (expect_false (!ev_is_active (w))) |
2535 | return; |
3422 | return; |
2536 | |
3423 | |
… | |
… | |
2548 | periodics [active] = periodics [periodiccnt + HEAP0]; |
3435 | periodics [active] = periodics [periodiccnt + HEAP0]; |
2549 | adjustheap (periodics, periodiccnt, active); |
3436 | adjustheap (periodics, periodiccnt, active); |
2550 | } |
3437 | } |
2551 | } |
3438 | } |
2552 | |
3439 | |
2553 | EV_FREQUENT_CHECK; |
|
|
2554 | |
|
|
2555 | ev_stop (EV_A_ (W)w); |
3440 | ev_stop (EV_A_ (W)w); |
|
|
3441 | |
|
|
3442 | EV_FREQUENT_CHECK; |
2556 | } |
3443 | } |
2557 | |
3444 | |
2558 | void noinline |
3445 | void noinline |
2559 | ev_periodic_again (EV_P_ ev_periodic *w) |
3446 | ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW |
2560 | { |
3447 | { |
2561 | /* TODO: use adjustheap and recalculation */ |
3448 | /* TODO: use adjustheap and recalculation */ |
2562 | ev_periodic_stop (EV_A_ w); |
3449 | ev_periodic_stop (EV_A_ w); |
2563 | ev_periodic_start (EV_A_ w); |
3450 | ev_periodic_start (EV_A_ w); |
2564 | } |
3451 | } |
… | |
… | |
2566 | |
3453 | |
2567 | #ifndef SA_RESTART |
3454 | #ifndef SA_RESTART |
2568 | # define SA_RESTART 0 |
3455 | # define SA_RESTART 0 |
2569 | #endif |
3456 | #endif |
2570 | |
3457 | |
|
|
3458 | #if EV_SIGNAL_ENABLE |
|
|
3459 | |
2571 | void noinline |
3460 | void noinline |
2572 | ev_signal_start (EV_P_ ev_signal *w) |
3461 | ev_signal_start (EV_P_ ev_signal *w) EV_THROW |
2573 | { |
3462 | { |
2574 | #if EV_MULTIPLICITY |
|
|
2575 | assert (("libev: signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
|
|
2576 | #endif |
|
|
2577 | if (expect_false (ev_is_active (w))) |
3463 | if (expect_false (ev_is_active (w))) |
2578 | return; |
3464 | return; |
2579 | |
3465 | |
2580 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0)); |
3466 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); |
2581 | |
3467 | |
2582 | evpipe_init (EV_A); |
3468 | #if EV_MULTIPLICITY |
|
|
3469 | assert (("libev: a signal must not be attached to two different loops", |
|
|
3470 | !signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop)); |
2583 | |
3471 | |
2584 | EV_FREQUENT_CHECK; |
3472 | signals [w->signum - 1].loop = EV_A; |
|
|
3473 | #endif |
2585 | |
3474 | |
|
|
3475 | EV_FREQUENT_CHECK; |
|
|
3476 | |
|
|
3477 | #if EV_USE_SIGNALFD |
|
|
3478 | if (sigfd == -2) |
2586 | { |
3479 | { |
2587 | #ifndef _WIN32 |
3480 | sigfd = signalfd (-1, &sigfd_set, SFD_NONBLOCK | SFD_CLOEXEC); |
2588 | sigset_t full, prev; |
3481 | if (sigfd < 0 && errno == EINVAL) |
2589 | sigfillset (&full); |
3482 | sigfd = signalfd (-1, &sigfd_set, 0); /* retry without flags */ |
2590 | sigprocmask (SIG_SETMASK, &full, &prev); |
|
|
2591 | #endif |
|
|
2592 | |
3483 | |
2593 | array_needsize (ANSIG, signals, signalmax, w->signum, array_init_zero); |
3484 | if (sigfd >= 0) |
|
|
3485 | { |
|
|
3486 | fd_intern (sigfd); /* doing it twice will not hurt */ |
2594 | |
3487 | |
2595 | #ifndef _WIN32 |
3488 | sigemptyset (&sigfd_set); |
2596 | sigprocmask (SIG_SETMASK, &prev, 0); |
3489 | |
2597 | #endif |
3490 | ev_io_init (&sigfd_w, sigfdcb, sigfd, EV_READ); |
|
|
3491 | ev_set_priority (&sigfd_w, EV_MAXPRI); |
|
|
3492 | ev_io_start (EV_A_ &sigfd_w); |
|
|
3493 | ev_unref (EV_A); /* signalfd watcher should not keep loop alive */ |
|
|
3494 | } |
2598 | } |
3495 | } |
|
|
3496 | |
|
|
3497 | if (sigfd >= 0) |
|
|
3498 | { |
|
|
3499 | /* TODO: check .head */ |
|
|
3500 | sigaddset (&sigfd_set, w->signum); |
|
|
3501 | sigprocmask (SIG_BLOCK, &sigfd_set, 0); |
|
|
3502 | |
|
|
3503 | signalfd (sigfd, &sigfd_set, 0); |
|
|
3504 | } |
|
|
3505 | #endif |
2599 | |
3506 | |
2600 | ev_start (EV_A_ (W)w, 1); |
3507 | ev_start (EV_A_ (W)w, 1); |
2601 | wlist_add (&signals [w->signum - 1].head, (WL)w); |
3508 | wlist_add (&signals [w->signum - 1].head, (WL)w); |
2602 | |
3509 | |
2603 | if (!((WL)w)->next) |
3510 | if (!((WL)w)->next) |
|
|
3511 | # if EV_USE_SIGNALFD |
|
|
3512 | if (sigfd < 0) /*TODO*/ |
|
|
3513 | # endif |
2604 | { |
3514 | { |
2605 | #if _WIN32 |
3515 | # ifdef _WIN32 |
|
|
3516 | evpipe_init (EV_A); |
|
|
3517 | |
2606 | signal (w->signum, ev_sighandler); |
3518 | signal (w->signum, ev_sighandler); |
2607 | #else |
3519 | # else |
2608 | struct sigaction sa = { }; |
3520 | struct sigaction sa; |
|
|
3521 | |
|
|
3522 | evpipe_init (EV_A); |
|
|
3523 | |
2609 | sa.sa_handler = ev_sighandler; |
3524 | sa.sa_handler = ev_sighandler; |
2610 | sigfillset (&sa.sa_mask); |
3525 | sigfillset (&sa.sa_mask); |
2611 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
3526 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
2612 | sigaction (w->signum, &sa, 0); |
3527 | sigaction (w->signum, &sa, 0); |
|
|
3528 | |
|
|
3529 | if (origflags & EVFLAG_NOSIGMASK) |
|
|
3530 | { |
|
|
3531 | sigemptyset (&sa.sa_mask); |
|
|
3532 | sigaddset (&sa.sa_mask, w->signum); |
|
|
3533 | sigprocmask (SIG_UNBLOCK, &sa.sa_mask, 0); |
|
|
3534 | } |
2613 | #endif |
3535 | #endif |
2614 | } |
3536 | } |
2615 | |
3537 | |
2616 | EV_FREQUENT_CHECK; |
3538 | EV_FREQUENT_CHECK; |
2617 | } |
3539 | } |
2618 | |
3540 | |
2619 | void noinline |
3541 | void noinline |
2620 | ev_signal_stop (EV_P_ ev_signal *w) |
3542 | ev_signal_stop (EV_P_ ev_signal *w) EV_THROW |
2621 | { |
3543 | { |
2622 | clear_pending (EV_A_ (W)w); |
3544 | clear_pending (EV_A_ (W)w); |
2623 | if (expect_false (!ev_is_active (w))) |
3545 | if (expect_false (!ev_is_active (w))) |
2624 | return; |
3546 | return; |
2625 | |
3547 | |
… | |
… | |
2627 | |
3549 | |
2628 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
3550 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
2629 | ev_stop (EV_A_ (W)w); |
3551 | ev_stop (EV_A_ (W)w); |
2630 | |
3552 | |
2631 | if (!signals [w->signum - 1].head) |
3553 | if (!signals [w->signum - 1].head) |
|
|
3554 | { |
|
|
3555 | #if EV_MULTIPLICITY |
|
|
3556 | signals [w->signum - 1].loop = 0; /* unattach from signal */ |
|
|
3557 | #endif |
|
|
3558 | #if EV_USE_SIGNALFD |
|
|
3559 | if (sigfd >= 0) |
|
|
3560 | { |
|
|
3561 | sigset_t ss; |
|
|
3562 | |
|
|
3563 | sigemptyset (&ss); |
|
|
3564 | sigaddset (&ss, w->signum); |
|
|
3565 | sigdelset (&sigfd_set, w->signum); |
|
|
3566 | |
|
|
3567 | signalfd (sigfd, &sigfd_set, 0); |
|
|
3568 | sigprocmask (SIG_UNBLOCK, &ss, 0); |
|
|
3569 | } |
|
|
3570 | else |
|
|
3571 | #endif |
2632 | signal (w->signum, SIG_DFL); |
3572 | signal (w->signum, SIG_DFL); |
|
|
3573 | } |
2633 | |
3574 | |
2634 | EV_FREQUENT_CHECK; |
3575 | EV_FREQUENT_CHECK; |
2635 | } |
3576 | } |
|
|
3577 | |
|
|
3578 | #endif |
|
|
3579 | |
|
|
3580 | #if EV_CHILD_ENABLE |
2636 | |
3581 | |
2637 | void |
3582 | void |
2638 | ev_child_start (EV_P_ ev_child *w) |
3583 | ev_child_start (EV_P_ ev_child *w) EV_THROW |
2639 | { |
3584 | { |
2640 | #if EV_MULTIPLICITY |
3585 | #if EV_MULTIPLICITY |
2641 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
3586 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
2642 | #endif |
3587 | #endif |
2643 | if (expect_false (ev_is_active (w))) |
3588 | if (expect_false (ev_is_active (w))) |
2644 | return; |
3589 | return; |
2645 | |
3590 | |
2646 | EV_FREQUENT_CHECK; |
3591 | EV_FREQUENT_CHECK; |
2647 | |
3592 | |
2648 | ev_start (EV_A_ (W)w, 1); |
3593 | ev_start (EV_A_ (W)w, 1); |
2649 | wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
3594 | wlist_add (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w); |
2650 | |
3595 | |
2651 | EV_FREQUENT_CHECK; |
3596 | EV_FREQUENT_CHECK; |
2652 | } |
3597 | } |
2653 | |
3598 | |
2654 | void |
3599 | void |
2655 | ev_child_stop (EV_P_ ev_child *w) |
3600 | ev_child_stop (EV_P_ ev_child *w) EV_THROW |
2656 | { |
3601 | { |
2657 | clear_pending (EV_A_ (W)w); |
3602 | clear_pending (EV_A_ (W)w); |
2658 | if (expect_false (!ev_is_active (w))) |
3603 | if (expect_false (!ev_is_active (w))) |
2659 | return; |
3604 | return; |
2660 | |
3605 | |
2661 | EV_FREQUENT_CHECK; |
3606 | EV_FREQUENT_CHECK; |
2662 | |
3607 | |
2663 | wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
3608 | wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w); |
2664 | ev_stop (EV_A_ (W)w); |
3609 | ev_stop (EV_A_ (W)w); |
2665 | |
3610 | |
2666 | EV_FREQUENT_CHECK; |
3611 | EV_FREQUENT_CHECK; |
2667 | } |
3612 | } |
|
|
3613 | |
|
|
3614 | #endif |
2668 | |
3615 | |
2669 | #if EV_STAT_ENABLE |
3616 | #if EV_STAT_ENABLE |
2670 | |
3617 | |
2671 | # ifdef _WIN32 |
3618 | # ifdef _WIN32 |
2672 | # undef lstat |
3619 | # undef lstat |
… | |
… | |
2678 | #define MIN_STAT_INTERVAL 0.1074891 |
3625 | #define MIN_STAT_INTERVAL 0.1074891 |
2679 | |
3626 | |
2680 | static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
3627 | static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
2681 | |
3628 | |
2682 | #if EV_USE_INOTIFY |
3629 | #if EV_USE_INOTIFY |
2683 | # define EV_INOTIFY_BUFSIZE 8192 |
3630 | |
|
|
3631 | /* the * 2 is to allow for alignment padding, which for some reason is >> 8 */ |
|
|
3632 | # define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX) |
2684 | |
3633 | |
2685 | static void noinline |
3634 | static void noinline |
2686 | infy_add (EV_P_ ev_stat *w) |
3635 | infy_add (EV_P_ ev_stat *w) |
2687 | { |
3636 | { |
2688 | 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); |
3637 | 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); |
2689 | |
3638 | |
2690 | if (w->wd < 0) |
3639 | if (w->wd >= 0) |
|
|
3640 | { |
|
|
3641 | struct statfs sfs; |
|
|
3642 | |
|
|
3643 | /* now local changes will be tracked by inotify, but remote changes won't */ |
|
|
3644 | /* unless the filesystem is known to be local, we therefore still poll */ |
|
|
3645 | /* also do poll on <2.6.25, but with normal frequency */ |
|
|
3646 | |
|
|
3647 | if (!fs_2625) |
|
|
3648 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
|
|
3649 | else if (!statfs (w->path, &sfs) |
|
|
3650 | && (sfs.f_type == 0x1373 /* devfs */ |
|
|
3651 | || sfs.f_type == 0xEF53 /* ext2/3 */ |
|
|
3652 | || sfs.f_type == 0x3153464a /* jfs */ |
|
|
3653 | || sfs.f_type == 0x52654973 /* reiser3 */ |
|
|
3654 | || sfs.f_type == 0x01021994 /* tempfs */ |
|
|
3655 | || sfs.f_type == 0x58465342 /* xfs */)) |
|
|
3656 | w->timer.repeat = 0.; /* filesystem is local, kernel new enough */ |
|
|
3657 | else |
|
|
3658 | w->timer.repeat = w->interval ? w->interval : NFS_STAT_INTERVAL; /* remote, use reduced frequency */ |
2691 | { |
3659 | } |
|
|
3660 | else |
|
|
3661 | { |
|
|
3662 | /* can't use inotify, continue to stat */ |
2692 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
3663 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
2693 | ev_timer_again (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */ |
|
|
2694 | |
3664 | |
2695 | /* monitor some parent directory for speedup hints */ |
3665 | /* if path is not there, monitor some parent directory for speedup hints */ |
2696 | /* note that exceeding the hardcoded path limit is not a correctness issue, */ |
3666 | /* note that exceeding the hardcoded path limit is not a correctness issue, */ |
2697 | /* but an efficiency issue only */ |
3667 | /* but an efficiency issue only */ |
2698 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
3668 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
2699 | { |
3669 | { |
2700 | char path [4096]; |
3670 | char path [4096]; |
… | |
… | |
2710 | if (!pend || pend == path) |
3680 | if (!pend || pend == path) |
2711 | break; |
3681 | break; |
2712 | |
3682 | |
2713 | *pend = 0; |
3683 | *pend = 0; |
2714 | w->wd = inotify_add_watch (fs_fd, path, mask); |
3684 | w->wd = inotify_add_watch (fs_fd, path, mask); |
2715 | } |
3685 | } |
2716 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
3686 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
2717 | } |
3687 | } |
2718 | } |
3688 | } |
2719 | |
3689 | |
2720 | if (w->wd >= 0) |
3690 | if (w->wd >= 0) |
2721 | { |
|
|
2722 | wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
3691 | wlist_add (&fs_hash [w->wd & ((EV_INOTIFY_HASHSIZE) - 1)].head, (WL)w); |
2723 | |
3692 | |
2724 | /* now local changes will be tracked by inotify, but remote changes won't */ |
3693 | /* now re-arm timer, if required */ |
2725 | /* unless the filesystem it known to be local, we therefore still poll */ |
3694 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
2726 | /* also do poll on <2.6.25, but with normal frequency */ |
|
|
2727 | struct statfs sfs; |
|
|
2728 | |
|
|
2729 | if (fs_2625 && !statfs (w->path, &sfs)) |
|
|
2730 | if (sfs.f_type == 0x1373 /* devfs */ |
|
|
2731 | || sfs.f_type == 0xEF53 /* ext2/3 */ |
|
|
2732 | || sfs.f_type == 0x3153464a /* jfs */ |
|
|
2733 | || sfs.f_type == 0x52654973 /* reiser3 */ |
|
|
2734 | || sfs.f_type == 0x01021994 /* tempfs */ |
|
|
2735 | || sfs.f_type == 0x58465342 /* xfs */) |
|
|
2736 | return; |
|
|
2737 | |
|
|
2738 | w->timer.repeat = w->interval ? w->interval : fs_2625 ? NFS_STAT_INTERVAL : DEF_STAT_INTERVAL; |
|
|
2739 | ev_timer_again (EV_A_ &w->timer); |
3695 | ev_timer_again (EV_A_ &w->timer); |
2740 | } |
3696 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
2741 | } |
3697 | } |
2742 | |
3698 | |
2743 | static void noinline |
3699 | static void noinline |
2744 | infy_del (EV_P_ ev_stat *w) |
3700 | infy_del (EV_P_ ev_stat *w) |
2745 | { |
3701 | { |
… | |
… | |
2748 | |
3704 | |
2749 | if (wd < 0) |
3705 | if (wd < 0) |
2750 | return; |
3706 | return; |
2751 | |
3707 | |
2752 | w->wd = -2; |
3708 | w->wd = -2; |
2753 | slot = wd & (EV_INOTIFY_HASHSIZE - 1); |
3709 | slot = wd & ((EV_INOTIFY_HASHSIZE) - 1); |
2754 | wlist_del (&fs_hash [slot].head, (WL)w); |
3710 | wlist_del (&fs_hash [slot].head, (WL)w); |
2755 | |
3711 | |
2756 | /* remove this watcher, if others are watching it, they will rearm */ |
3712 | /* remove this watcher, if others are watching it, they will rearm */ |
2757 | inotify_rm_watch (fs_fd, wd); |
3713 | inotify_rm_watch (fs_fd, wd); |
2758 | } |
3714 | } |
… | |
… | |
2760 | static void noinline |
3716 | static void noinline |
2761 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
3717 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
2762 | { |
3718 | { |
2763 | if (slot < 0) |
3719 | if (slot < 0) |
2764 | /* overflow, need to check for all hash slots */ |
3720 | /* overflow, need to check for all hash slots */ |
2765 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
3721 | for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot) |
2766 | infy_wd (EV_A_ slot, wd, ev); |
3722 | infy_wd (EV_A_ slot, wd, ev); |
2767 | else |
3723 | else |
2768 | { |
3724 | { |
2769 | WL w_; |
3725 | WL w_; |
2770 | |
3726 | |
2771 | for (w_ = fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head; w_; ) |
3727 | for (w_ = fs_hash [slot & ((EV_INOTIFY_HASHSIZE) - 1)].head; w_; ) |
2772 | { |
3728 | { |
2773 | ev_stat *w = (ev_stat *)w_; |
3729 | ev_stat *w = (ev_stat *)w_; |
2774 | w_ = w_->next; /* lets us remove this watcher and all before it */ |
3730 | w_ = w_->next; /* lets us remove this watcher and all before it */ |
2775 | |
3731 | |
2776 | if (w->wd == wd || wd == -1) |
3732 | if (w->wd == wd || wd == -1) |
2777 | { |
3733 | { |
2778 | if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) |
3734 | if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) |
2779 | { |
3735 | { |
2780 | wlist_del (&fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
3736 | wlist_del (&fs_hash [slot & ((EV_INOTIFY_HASHSIZE) - 1)].head, (WL)w); |
2781 | w->wd = -1; |
3737 | w->wd = -1; |
2782 | infy_add (EV_A_ w); /* re-add, no matter what */ |
3738 | infy_add (EV_A_ w); /* re-add, no matter what */ |
2783 | } |
3739 | } |
2784 | |
3740 | |
2785 | stat_timer_cb (EV_A_ &w->timer, 0); |
3741 | stat_timer_cb (EV_A_ &w->timer, 0); |
… | |
… | |
2790 | |
3746 | |
2791 | static void |
3747 | static void |
2792 | infy_cb (EV_P_ ev_io *w, int revents) |
3748 | infy_cb (EV_P_ ev_io *w, int revents) |
2793 | { |
3749 | { |
2794 | char buf [EV_INOTIFY_BUFSIZE]; |
3750 | char buf [EV_INOTIFY_BUFSIZE]; |
2795 | struct inotify_event *ev = (struct inotify_event *)buf; |
|
|
2796 | int ofs; |
3751 | int ofs; |
2797 | int len = read (fs_fd, buf, sizeof (buf)); |
3752 | int len = read (fs_fd, buf, sizeof (buf)); |
2798 | |
3753 | |
2799 | for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len) |
3754 | for (ofs = 0; ofs < len; ) |
|
|
3755 | { |
|
|
3756 | struct inotify_event *ev = (struct inotify_event *)(buf + ofs); |
2800 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
3757 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
|
|
3758 | ofs += sizeof (struct inotify_event) + ev->len; |
|
|
3759 | } |
2801 | } |
3760 | } |
2802 | |
3761 | |
2803 | inline_size void |
3762 | inline_size void ecb_cold |
2804 | check_2625 (EV_P) |
3763 | ev_check_2625 (EV_P) |
2805 | { |
3764 | { |
2806 | /* kernels < 2.6.25 are borked |
3765 | /* kernels < 2.6.25 are borked |
2807 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
3766 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
2808 | */ |
3767 | */ |
2809 | struct utsname buf; |
3768 | if (ev_linux_version () < 0x020619) |
2810 | int major, minor, micro; |
|
|
2811 | |
|
|
2812 | if (uname (&buf)) |
|
|
2813 | return; |
3769 | return; |
2814 | |
3770 | |
2815 | if (sscanf (buf.release, "%d.%d.%d", &major, &minor, µ) != 3) |
|
|
2816 | return; |
|
|
2817 | |
|
|
2818 | if (major < 2 |
|
|
2819 | || (major == 2 && minor < 6) |
|
|
2820 | || (major == 2 && minor == 6 && micro < 25)) |
|
|
2821 | return; |
|
|
2822 | |
|
|
2823 | fs_2625 = 1; |
3771 | fs_2625 = 1; |
|
|
3772 | } |
|
|
3773 | |
|
|
3774 | inline_size int |
|
|
3775 | infy_newfd (void) |
|
|
3776 | { |
|
|
3777 | #if defined IN_CLOEXEC && defined IN_NONBLOCK |
|
|
3778 | int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK); |
|
|
3779 | if (fd >= 0) |
|
|
3780 | return fd; |
|
|
3781 | #endif |
|
|
3782 | return inotify_init (); |
2824 | } |
3783 | } |
2825 | |
3784 | |
2826 | inline_size void |
3785 | inline_size void |
2827 | infy_init (EV_P) |
3786 | infy_init (EV_P) |
2828 | { |
3787 | { |
2829 | if (fs_fd != -2) |
3788 | if (fs_fd != -2) |
2830 | return; |
3789 | return; |
2831 | |
3790 | |
2832 | fs_fd = -1; |
3791 | fs_fd = -1; |
2833 | |
3792 | |
2834 | check_2625 (EV_A); |
3793 | ev_check_2625 (EV_A); |
2835 | |
3794 | |
2836 | fs_fd = inotify_init (); |
3795 | fs_fd = infy_newfd (); |
2837 | |
3796 | |
2838 | if (fs_fd >= 0) |
3797 | if (fs_fd >= 0) |
2839 | { |
3798 | { |
|
|
3799 | fd_intern (fs_fd); |
2840 | ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ); |
3800 | ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ); |
2841 | ev_set_priority (&fs_w, EV_MAXPRI); |
3801 | ev_set_priority (&fs_w, EV_MAXPRI); |
2842 | ev_io_start (EV_A_ &fs_w); |
3802 | ev_io_start (EV_A_ &fs_w); |
|
|
3803 | ev_unref (EV_A); |
2843 | } |
3804 | } |
2844 | } |
3805 | } |
2845 | |
3806 | |
2846 | inline_size void |
3807 | inline_size void |
2847 | infy_fork (EV_P) |
3808 | infy_fork (EV_P) |
… | |
… | |
2849 | int slot; |
3810 | int slot; |
2850 | |
3811 | |
2851 | if (fs_fd < 0) |
3812 | if (fs_fd < 0) |
2852 | return; |
3813 | return; |
2853 | |
3814 | |
|
|
3815 | ev_ref (EV_A); |
|
|
3816 | ev_io_stop (EV_A_ &fs_w); |
2854 | close (fs_fd); |
3817 | close (fs_fd); |
2855 | fs_fd = inotify_init (); |
3818 | fs_fd = infy_newfd (); |
2856 | |
3819 | |
|
|
3820 | if (fs_fd >= 0) |
|
|
3821 | { |
|
|
3822 | fd_intern (fs_fd); |
|
|
3823 | ev_io_set (&fs_w, fs_fd, EV_READ); |
|
|
3824 | ev_io_start (EV_A_ &fs_w); |
|
|
3825 | ev_unref (EV_A); |
|
|
3826 | } |
|
|
3827 | |
2857 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
3828 | for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot) |
2858 | { |
3829 | { |
2859 | WL w_ = fs_hash [slot].head; |
3830 | WL w_ = fs_hash [slot].head; |
2860 | fs_hash [slot].head = 0; |
3831 | fs_hash [slot].head = 0; |
2861 | |
3832 | |
2862 | while (w_) |
3833 | while (w_) |
… | |
… | |
2867 | w->wd = -1; |
3838 | w->wd = -1; |
2868 | |
3839 | |
2869 | if (fs_fd >= 0) |
3840 | if (fs_fd >= 0) |
2870 | infy_add (EV_A_ w); /* re-add, no matter what */ |
3841 | infy_add (EV_A_ w); /* re-add, no matter what */ |
2871 | else |
3842 | else |
|
|
3843 | { |
|
|
3844 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
|
|
3845 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
2872 | ev_timer_again (EV_A_ &w->timer); |
3846 | ev_timer_again (EV_A_ &w->timer); |
|
|
3847 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
|
|
3848 | } |
2873 | } |
3849 | } |
2874 | } |
3850 | } |
2875 | } |
3851 | } |
2876 | |
3852 | |
2877 | #endif |
3853 | #endif |
… | |
… | |
2881 | #else |
3857 | #else |
2882 | # define EV_LSTAT(p,b) lstat (p, b) |
3858 | # define EV_LSTAT(p,b) lstat (p, b) |
2883 | #endif |
3859 | #endif |
2884 | |
3860 | |
2885 | void |
3861 | void |
2886 | ev_stat_stat (EV_P_ ev_stat *w) |
3862 | ev_stat_stat (EV_P_ ev_stat *w) EV_THROW |
2887 | { |
3863 | { |
2888 | if (lstat (w->path, &w->attr) < 0) |
3864 | if (lstat (w->path, &w->attr) < 0) |
2889 | w->attr.st_nlink = 0; |
3865 | w->attr.st_nlink = 0; |
2890 | else if (!w->attr.st_nlink) |
3866 | else if (!w->attr.st_nlink) |
2891 | w->attr.st_nlink = 1; |
3867 | w->attr.st_nlink = 1; |
… | |
… | |
2894 | static void noinline |
3870 | static void noinline |
2895 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
3871 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
2896 | { |
3872 | { |
2897 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
3873 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
2898 | |
3874 | |
2899 | /* we copy this here each the time so that */ |
3875 | ev_statdata prev = w->attr; |
2900 | /* prev has the old value when the callback gets invoked */ |
|
|
2901 | w->prev = w->attr; |
|
|
2902 | ev_stat_stat (EV_A_ w); |
3876 | ev_stat_stat (EV_A_ w); |
2903 | |
3877 | |
2904 | /* memcmp doesn't work on netbsd, they.... do stuff to their struct stat */ |
3878 | /* memcmp doesn't work on netbsd, they.... do stuff to their struct stat */ |
2905 | if ( |
3879 | if ( |
2906 | w->prev.st_dev != w->attr.st_dev |
3880 | prev.st_dev != w->attr.st_dev |
2907 | || w->prev.st_ino != w->attr.st_ino |
3881 | || prev.st_ino != w->attr.st_ino |
2908 | || w->prev.st_mode != w->attr.st_mode |
3882 | || prev.st_mode != w->attr.st_mode |
2909 | || w->prev.st_nlink != w->attr.st_nlink |
3883 | || prev.st_nlink != w->attr.st_nlink |
2910 | || w->prev.st_uid != w->attr.st_uid |
3884 | || prev.st_uid != w->attr.st_uid |
2911 | || w->prev.st_gid != w->attr.st_gid |
3885 | || prev.st_gid != w->attr.st_gid |
2912 | || w->prev.st_rdev != w->attr.st_rdev |
3886 | || prev.st_rdev != w->attr.st_rdev |
2913 | || w->prev.st_size != w->attr.st_size |
3887 | || prev.st_size != w->attr.st_size |
2914 | || w->prev.st_atime != w->attr.st_atime |
3888 | || prev.st_atime != w->attr.st_atime |
2915 | || w->prev.st_mtime != w->attr.st_mtime |
3889 | || prev.st_mtime != w->attr.st_mtime |
2916 | || w->prev.st_ctime != w->attr.st_ctime |
3890 | || prev.st_ctime != w->attr.st_ctime |
2917 | ) { |
3891 | ) { |
|
|
3892 | /* we only update w->prev on actual differences */ |
|
|
3893 | /* in case we test more often than invoke the callback, */ |
|
|
3894 | /* to ensure that prev is always different to attr */ |
|
|
3895 | w->prev = prev; |
|
|
3896 | |
2918 | #if EV_USE_INOTIFY |
3897 | #if EV_USE_INOTIFY |
2919 | if (fs_fd >= 0) |
3898 | if (fs_fd >= 0) |
2920 | { |
3899 | { |
2921 | infy_del (EV_A_ w); |
3900 | infy_del (EV_A_ w); |
2922 | infy_add (EV_A_ w); |
3901 | infy_add (EV_A_ w); |
… | |
… | |
2927 | ev_feed_event (EV_A_ w, EV_STAT); |
3906 | ev_feed_event (EV_A_ w, EV_STAT); |
2928 | } |
3907 | } |
2929 | } |
3908 | } |
2930 | |
3909 | |
2931 | void |
3910 | void |
2932 | ev_stat_start (EV_P_ ev_stat *w) |
3911 | ev_stat_start (EV_P_ ev_stat *w) EV_THROW |
2933 | { |
3912 | { |
2934 | if (expect_false (ev_is_active (w))) |
3913 | if (expect_false (ev_is_active (w))) |
2935 | return; |
3914 | return; |
2936 | |
3915 | |
2937 | ev_stat_stat (EV_A_ w); |
3916 | ev_stat_stat (EV_A_ w); |
… | |
… | |
2947 | |
3926 | |
2948 | if (fs_fd >= 0) |
3927 | if (fs_fd >= 0) |
2949 | infy_add (EV_A_ w); |
3928 | infy_add (EV_A_ w); |
2950 | else |
3929 | else |
2951 | #endif |
3930 | #endif |
|
|
3931 | { |
2952 | ev_timer_again (EV_A_ &w->timer); |
3932 | ev_timer_again (EV_A_ &w->timer); |
|
|
3933 | ev_unref (EV_A); |
|
|
3934 | } |
2953 | |
3935 | |
2954 | ev_start (EV_A_ (W)w, 1); |
3936 | ev_start (EV_A_ (W)w, 1); |
2955 | |
3937 | |
2956 | EV_FREQUENT_CHECK; |
3938 | EV_FREQUENT_CHECK; |
2957 | } |
3939 | } |
2958 | |
3940 | |
2959 | void |
3941 | void |
2960 | ev_stat_stop (EV_P_ ev_stat *w) |
3942 | ev_stat_stop (EV_P_ ev_stat *w) EV_THROW |
2961 | { |
3943 | { |
2962 | clear_pending (EV_A_ (W)w); |
3944 | clear_pending (EV_A_ (W)w); |
2963 | if (expect_false (!ev_is_active (w))) |
3945 | if (expect_false (!ev_is_active (w))) |
2964 | return; |
3946 | return; |
2965 | |
3947 | |
2966 | EV_FREQUENT_CHECK; |
3948 | EV_FREQUENT_CHECK; |
2967 | |
3949 | |
2968 | #if EV_USE_INOTIFY |
3950 | #if EV_USE_INOTIFY |
2969 | infy_del (EV_A_ w); |
3951 | infy_del (EV_A_ w); |
2970 | #endif |
3952 | #endif |
|
|
3953 | |
|
|
3954 | if (ev_is_active (&w->timer)) |
|
|
3955 | { |
|
|
3956 | ev_ref (EV_A); |
2971 | ev_timer_stop (EV_A_ &w->timer); |
3957 | ev_timer_stop (EV_A_ &w->timer); |
|
|
3958 | } |
2972 | |
3959 | |
2973 | ev_stop (EV_A_ (W)w); |
3960 | ev_stop (EV_A_ (W)w); |
2974 | |
3961 | |
2975 | EV_FREQUENT_CHECK; |
3962 | EV_FREQUENT_CHECK; |
2976 | } |
3963 | } |
2977 | #endif |
3964 | #endif |
2978 | |
3965 | |
2979 | #if EV_IDLE_ENABLE |
3966 | #if EV_IDLE_ENABLE |
2980 | void |
3967 | void |
2981 | ev_idle_start (EV_P_ ev_idle *w) |
3968 | ev_idle_start (EV_P_ ev_idle *w) EV_THROW |
2982 | { |
3969 | { |
2983 | if (expect_false (ev_is_active (w))) |
3970 | if (expect_false (ev_is_active (w))) |
2984 | return; |
3971 | return; |
2985 | |
3972 | |
2986 | pri_adjust (EV_A_ (W)w); |
3973 | pri_adjust (EV_A_ (W)w); |
… | |
… | |
2999 | |
3986 | |
3000 | EV_FREQUENT_CHECK; |
3987 | EV_FREQUENT_CHECK; |
3001 | } |
3988 | } |
3002 | |
3989 | |
3003 | void |
3990 | void |
3004 | ev_idle_stop (EV_P_ ev_idle *w) |
3991 | ev_idle_stop (EV_P_ ev_idle *w) EV_THROW |
3005 | { |
3992 | { |
3006 | clear_pending (EV_A_ (W)w); |
3993 | clear_pending (EV_A_ (W)w); |
3007 | if (expect_false (!ev_is_active (w))) |
3994 | if (expect_false (!ev_is_active (w))) |
3008 | return; |
3995 | return; |
3009 | |
3996 | |
… | |
… | |
3021 | |
4008 | |
3022 | EV_FREQUENT_CHECK; |
4009 | EV_FREQUENT_CHECK; |
3023 | } |
4010 | } |
3024 | #endif |
4011 | #endif |
3025 | |
4012 | |
|
|
4013 | #if EV_PREPARE_ENABLE |
3026 | void |
4014 | void |
3027 | ev_prepare_start (EV_P_ ev_prepare *w) |
4015 | ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW |
3028 | { |
4016 | { |
3029 | if (expect_false (ev_is_active (w))) |
4017 | if (expect_false (ev_is_active (w))) |
3030 | return; |
4018 | return; |
3031 | |
4019 | |
3032 | EV_FREQUENT_CHECK; |
4020 | EV_FREQUENT_CHECK; |
… | |
… | |
3037 | |
4025 | |
3038 | EV_FREQUENT_CHECK; |
4026 | EV_FREQUENT_CHECK; |
3039 | } |
4027 | } |
3040 | |
4028 | |
3041 | void |
4029 | void |
3042 | ev_prepare_stop (EV_P_ ev_prepare *w) |
4030 | ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW |
3043 | { |
4031 | { |
3044 | clear_pending (EV_A_ (W)w); |
4032 | clear_pending (EV_A_ (W)w); |
3045 | if (expect_false (!ev_is_active (w))) |
4033 | if (expect_false (!ev_is_active (w))) |
3046 | return; |
4034 | return; |
3047 | |
4035 | |
… | |
… | |
3056 | |
4044 | |
3057 | ev_stop (EV_A_ (W)w); |
4045 | ev_stop (EV_A_ (W)w); |
3058 | |
4046 | |
3059 | EV_FREQUENT_CHECK; |
4047 | EV_FREQUENT_CHECK; |
3060 | } |
4048 | } |
|
|
4049 | #endif |
3061 | |
4050 | |
|
|
4051 | #if EV_CHECK_ENABLE |
3062 | void |
4052 | void |
3063 | ev_check_start (EV_P_ ev_check *w) |
4053 | ev_check_start (EV_P_ ev_check *w) EV_THROW |
3064 | { |
4054 | { |
3065 | if (expect_false (ev_is_active (w))) |
4055 | if (expect_false (ev_is_active (w))) |
3066 | return; |
4056 | return; |
3067 | |
4057 | |
3068 | EV_FREQUENT_CHECK; |
4058 | EV_FREQUENT_CHECK; |
… | |
… | |
3073 | |
4063 | |
3074 | EV_FREQUENT_CHECK; |
4064 | EV_FREQUENT_CHECK; |
3075 | } |
4065 | } |
3076 | |
4066 | |
3077 | void |
4067 | void |
3078 | ev_check_stop (EV_P_ ev_check *w) |
4068 | ev_check_stop (EV_P_ ev_check *w) EV_THROW |
3079 | { |
4069 | { |
3080 | clear_pending (EV_A_ (W)w); |
4070 | clear_pending (EV_A_ (W)w); |
3081 | if (expect_false (!ev_is_active (w))) |
4071 | if (expect_false (!ev_is_active (w))) |
3082 | return; |
4072 | return; |
3083 | |
4073 | |
… | |
… | |
3092 | |
4082 | |
3093 | ev_stop (EV_A_ (W)w); |
4083 | ev_stop (EV_A_ (W)w); |
3094 | |
4084 | |
3095 | EV_FREQUENT_CHECK; |
4085 | EV_FREQUENT_CHECK; |
3096 | } |
4086 | } |
|
|
4087 | #endif |
3097 | |
4088 | |
3098 | #if EV_EMBED_ENABLE |
4089 | #if EV_EMBED_ENABLE |
3099 | void noinline |
4090 | void noinline |
3100 | ev_embed_sweep (EV_P_ ev_embed *w) |
4091 | ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW |
3101 | { |
4092 | { |
3102 | ev_loop (w->other, EVLOOP_NONBLOCK); |
4093 | ev_run (w->other, EVRUN_NOWAIT); |
3103 | } |
4094 | } |
3104 | |
4095 | |
3105 | static void |
4096 | static void |
3106 | embed_io_cb (EV_P_ ev_io *io, int revents) |
4097 | embed_io_cb (EV_P_ ev_io *io, int revents) |
3107 | { |
4098 | { |
3108 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
4099 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
3109 | |
4100 | |
3110 | if (ev_cb (w)) |
4101 | if (ev_cb (w)) |
3111 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
4102 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
3112 | else |
4103 | else |
3113 | ev_loop (w->other, EVLOOP_NONBLOCK); |
4104 | ev_run (w->other, EVRUN_NOWAIT); |
3114 | } |
4105 | } |
3115 | |
4106 | |
3116 | static void |
4107 | static void |
3117 | embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) |
4108 | embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) |
3118 | { |
4109 | { |
3119 | ev_embed *w = (ev_embed *)(((char *)prepare) - offsetof (ev_embed, prepare)); |
4110 | ev_embed *w = (ev_embed *)(((char *)prepare) - offsetof (ev_embed, prepare)); |
3120 | |
4111 | |
3121 | { |
4112 | { |
3122 | struct ev_loop *loop = w->other; |
4113 | EV_P = w->other; |
3123 | |
4114 | |
3124 | while (fdchangecnt) |
4115 | while (fdchangecnt) |
3125 | { |
4116 | { |
3126 | fd_reify (EV_A); |
4117 | fd_reify (EV_A); |
3127 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
4118 | ev_run (EV_A_ EVRUN_NOWAIT); |
3128 | } |
4119 | } |
3129 | } |
4120 | } |
3130 | } |
4121 | } |
3131 | |
4122 | |
3132 | static void |
4123 | static void |
… | |
… | |
3135 | ev_embed *w = (ev_embed *)(((char *)fork_w) - offsetof (ev_embed, fork)); |
4126 | ev_embed *w = (ev_embed *)(((char *)fork_w) - offsetof (ev_embed, fork)); |
3136 | |
4127 | |
3137 | ev_embed_stop (EV_A_ w); |
4128 | ev_embed_stop (EV_A_ w); |
3138 | |
4129 | |
3139 | { |
4130 | { |
3140 | struct ev_loop *loop = w->other; |
4131 | EV_P = w->other; |
3141 | |
4132 | |
3142 | ev_loop_fork (EV_A); |
4133 | ev_loop_fork (EV_A); |
3143 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
4134 | ev_run (EV_A_ EVRUN_NOWAIT); |
3144 | } |
4135 | } |
3145 | |
4136 | |
3146 | ev_embed_start (EV_A_ w); |
4137 | ev_embed_start (EV_A_ w); |
3147 | } |
4138 | } |
3148 | |
4139 | |
… | |
… | |
3153 | ev_idle_stop (EV_A_ idle); |
4144 | ev_idle_stop (EV_A_ idle); |
3154 | } |
4145 | } |
3155 | #endif |
4146 | #endif |
3156 | |
4147 | |
3157 | void |
4148 | void |
3158 | ev_embed_start (EV_P_ ev_embed *w) |
4149 | ev_embed_start (EV_P_ ev_embed *w) EV_THROW |
3159 | { |
4150 | { |
3160 | if (expect_false (ev_is_active (w))) |
4151 | if (expect_false (ev_is_active (w))) |
3161 | return; |
4152 | return; |
3162 | |
4153 | |
3163 | { |
4154 | { |
3164 | struct ev_loop *loop = w->other; |
4155 | EV_P = w->other; |
3165 | assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
4156 | assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
3166 | ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ); |
4157 | ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ); |
3167 | } |
4158 | } |
3168 | |
4159 | |
3169 | EV_FREQUENT_CHECK; |
4160 | EV_FREQUENT_CHECK; |
… | |
… | |
3184 | |
4175 | |
3185 | EV_FREQUENT_CHECK; |
4176 | EV_FREQUENT_CHECK; |
3186 | } |
4177 | } |
3187 | |
4178 | |
3188 | void |
4179 | void |
3189 | ev_embed_stop (EV_P_ ev_embed *w) |
4180 | ev_embed_stop (EV_P_ ev_embed *w) EV_THROW |
3190 | { |
4181 | { |
3191 | clear_pending (EV_A_ (W)w); |
4182 | clear_pending (EV_A_ (W)w); |
3192 | if (expect_false (!ev_is_active (w))) |
4183 | if (expect_false (!ev_is_active (w))) |
3193 | return; |
4184 | return; |
3194 | |
4185 | |
… | |
… | |
3196 | |
4187 | |
3197 | ev_io_stop (EV_A_ &w->io); |
4188 | ev_io_stop (EV_A_ &w->io); |
3198 | ev_prepare_stop (EV_A_ &w->prepare); |
4189 | ev_prepare_stop (EV_A_ &w->prepare); |
3199 | ev_fork_stop (EV_A_ &w->fork); |
4190 | ev_fork_stop (EV_A_ &w->fork); |
3200 | |
4191 | |
|
|
4192 | ev_stop (EV_A_ (W)w); |
|
|
4193 | |
3201 | EV_FREQUENT_CHECK; |
4194 | EV_FREQUENT_CHECK; |
3202 | } |
4195 | } |
3203 | #endif |
4196 | #endif |
3204 | |
4197 | |
3205 | #if EV_FORK_ENABLE |
4198 | #if EV_FORK_ENABLE |
3206 | void |
4199 | void |
3207 | ev_fork_start (EV_P_ ev_fork *w) |
4200 | ev_fork_start (EV_P_ ev_fork *w) EV_THROW |
3208 | { |
4201 | { |
3209 | if (expect_false (ev_is_active (w))) |
4202 | if (expect_false (ev_is_active (w))) |
3210 | return; |
4203 | return; |
3211 | |
4204 | |
3212 | EV_FREQUENT_CHECK; |
4205 | EV_FREQUENT_CHECK; |
… | |
… | |
3217 | |
4210 | |
3218 | EV_FREQUENT_CHECK; |
4211 | EV_FREQUENT_CHECK; |
3219 | } |
4212 | } |
3220 | |
4213 | |
3221 | void |
4214 | void |
3222 | ev_fork_stop (EV_P_ ev_fork *w) |
4215 | ev_fork_stop (EV_P_ ev_fork *w) EV_THROW |
3223 | { |
4216 | { |
3224 | clear_pending (EV_A_ (W)w); |
4217 | clear_pending (EV_A_ (W)w); |
3225 | if (expect_false (!ev_is_active (w))) |
4218 | if (expect_false (!ev_is_active (w))) |
3226 | return; |
4219 | return; |
3227 | |
4220 | |
… | |
… | |
3238 | |
4231 | |
3239 | EV_FREQUENT_CHECK; |
4232 | EV_FREQUENT_CHECK; |
3240 | } |
4233 | } |
3241 | #endif |
4234 | #endif |
3242 | |
4235 | |
|
|
4236 | #if EV_CLEANUP_ENABLE |
|
|
4237 | void |
|
|
4238 | ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW |
|
|
4239 | { |
|
|
4240 | if (expect_false (ev_is_active (w))) |
|
|
4241 | return; |
|
|
4242 | |
|
|
4243 | EV_FREQUENT_CHECK; |
|
|
4244 | |
|
|
4245 | ev_start (EV_A_ (W)w, ++cleanupcnt); |
|
|
4246 | array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, EMPTY2); |
|
|
4247 | cleanups [cleanupcnt - 1] = w; |
|
|
4248 | |
|
|
4249 | /* cleanup watchers should never keep a refcount on the loop */ |
|
|
4250 | ev_unref (EV_A); |
|
|
4251 | EV_FREQUENT_CHECK; |
|
|
4252 | } |
|
|
4253 | |
|
|
4254 | void |
|
|
4255 | ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW |
|
|
4256 | { |
|
|
4257 | clear_pending (EV_A_ (W)w); |
|
|
4258 | if (expect_false (!ev_is_active (w))) |
|
|
4259 | return; |
|
|
4260 | |
|
|
4261 | EV_FREQUENT_CHECK; |
|
|
4262 | ev_ref (EV_A); |
|
|
4263 | |
|
|
4264 | { |
|
|
4265 | int active = ev_active (w); |
|
|
4266 | |
|
|
4267 | cleanups [active - 1] = cleanups [--cleanupcnt]; |
|
|
4268 | ev_active (cleanups [active - 1]) = active; |
|
|
4269 | } |
|
|
4270 | |
|
|
4271 | ev_stop (EV_A_ (W)w); |
|
|
4272 | |
|
|
4273 | EV_FREQUENT_CHECK; |
|
|
4274 | } |
|
|
4275 | #endif |
|
|
4276 | |
3243 | #if EV_ASYNC_ENABLE |
4277 | #if EV_ASYNC_ENABLE |
3244 | void |
4278 | void |
3245 | ev_async_start (EV_P_ ev_async *w) |
4279 | ev_async_start (EV_P_ ev_async *w) EV_THROW |
3246 | { |
4280 | { |
3247 | if (expect_false (ev_is_active (w))) |
4281 | if (expect_false (ev_is_active (w))) |
3248 | return; |
4282 | return; |
|
|
4283 | |
|
|
4284 | w->sent = 0; |
3249 | |
4285 | |
3250 | evpipe_init (EV_A); |
4286 | evpipe_init (EV_A); |
3251 | |
4287 | |
3252 | EV_FREQUENT_CHECK; |
4288 | EV_FREQUENT_CHECK; |
3253 | |
4289 | |
… | |
… | |
3257 | |
4293 | |
3258 | EV_FREQUENT_CHECK; |
4294 | EV_FREQUENT_CHECK; |
3259 | } |
4295 | } |
3260 | |
4296 | |
3261 | void |
4297 | void |
3262 | ev_async_stop (EV_P_ ev_async *w) |
4298 | ev_async_stop (EV_P_ ev_async *w) EV_THROW |
3263 | { |
4299 | { |
3264 | clear_pending (EV_A_ (W)w); |
4300 | clear_pending (EV_A_ (W)w); |
3265 | if (expect_false (!ev_is_active (w))) |
4301 | if (expect_false (!ev_is_active (w))) |
3266 | return; |
4302 | return; |
3267 | |
4303 | |
… | |
… | |
3278 | |
4314 | |
3279 | EV_FREQUENT_CHECK; |
4315 | EV_FREQUENT_CHECK; |
3280 | } |
4316 | } |
3281 | |
4317 | |
3282 | void |
4318 | void |
3283 | ev_async_send (EV_P_ ev_async *w) |
4319 | ev_async_send (EV_P_ ev_async *w) EV_THROW |
3284 | { |
4320 | { |
3285 | w->sent = 1; |
4321 | w->sent = 1; |
3286 | evpipe_write (EV_A_ &gotasync); |
4322 | evpipe_write (EV_A_ &async_pending); |
3287 | } |
4323 | } |
3288 | #endif |
4324 | #endif |
3289 | |
4325 | |
3290 | /*****************************************************************************/ |
4326 | /*****************************************************************************/ |
3291 | |
4327 | |
… | |
… | |
3325 | |
4361 | |
3326 | once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); |
4362 | once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); |
3327 | } |
4363 | } |
3328 | |
4364 | |
3329 | void |
4365 | void |
3330 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
4366 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW |
3331 | { |
4367 | { |
3332 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
4368 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
3333 | |
4369 | |
3334 | if (expect_false (!once)) |
4370 | if (expect_false (!once)) |
3335 | { |
4371 | { |
3336 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); |
4372 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMER, arg); |
3337 | return; |
4373 | return; |
3338 | } |
4374 | } |
3339 | |
4375 | |
3340 | once->cb = cb; |
4376 | once->cb = cb; |
3341 | once->arg = arg; |
4377 | once->arg = arg; |
… | |
… | |
3356 | } |
4392 | } |
3357 | |
4393 | |
3358 | /*****************************************************************************/ |
4394 | /*****************************************************************************/ |
3359 | |
4395 | |
3360 | #if EV_WALK_ENABLE |
4396 | #if EV_WALK_ENABLE |
3361 | void |
4397 | void ecb_cold |
3362 | ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) |
4398 | ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW |
3363 | { |
4399 | { |
3364 | int i, j; |
4400 | int i, j; |
3365 | ev_watcher_list *wl, *wn; |
4401 | ev_watcher_list *wl, *wn; |
3366 | |
4402 | |
3367 | if (types & (EV_IO | EV_EMBED)) |
4403 | if (types & (EV_IO | EV_EMBED)) |
… | |
… | |
3410 | cb (EV_A_ EV_PERIODIC, ANHE_w (periodics [i])); |
4446 | cb (EV_A_ EV_PERIODIC, ANHE_w (periodics [i])); |
3411 | #endif |
4447 | #endif |
3412 | |
4448 | |
3413 | #if EV_IDLE_ENABLE |
4449 | #if EV_IDLE_ENABLE |
3414 | if (types & EV_IDLE) |
4450 | if (types & EV_IDLE) |
3415 | for (j = NUMPRI; i--; ) |
4451 | for (j = NUMPRI; j--; ) |
3416 | for (i = idlecnt [j]; i--; ) |
4452 | for (i = idlecnt [j]; i--; ) |
3417 | cb (EV_A_ EV_IDLE, idles [j][i]); |
4453 | cb (EV_A_ EV_IDLE, idles [j][i]); |
3418 | #endif |
4454 | #endif |
3419 | |
4455 | |
3420 | #if EV_FORK_ENABLE |
4456 | #if EV_FORK_ENABLE |
… | |
… | |
3428 | if (types & EV_ASYNC) |
4464 | if (types & EV_ASYNC) |
3429 | for (i = asynccnt; i--; ) |
4465 | for (i = asynccnt; i--; ) |
3430 | cb (EV_A_ EV_ASYNC, asyncs [i]); |
4466 | cb (EV_A_ EV_ASYNC, asyncs [i]); |
3431 | #endif |
4467 | #endif |
3432 | |
4468 | |
|
|
4469 | #if EV_PREPARE_ENABLE |
3433 | if (types & EV_PREPARE) |
4470 | if (types & EV_PREPARE) |
3434 | for (i = preparecnt; i--; ) |
4471 | for (i = preparecnt; i--; ) |
3435 | #if EV_EMBED_ENABLE |
4472 | # if EV_EMBED_ENABLE |
3436 | if (ev_cb (prepares [i]) != embed_prepare_cb) |
4473 | if (ev_cb (prepares [i]) != embed_prepare_cb) |
3437 | #endif |
4474 | # endif |
3438 | cb (EV_A_ EV_PREPARE, prepares [i]); |
4475 | cb (EV_A_ EV_PREPARE, prepares [i]); |
|
|
4476 | #endif |
3439 | |
4477 | |
|
|
4478 | #if EV_CHECK_ENABLE |
3440 | if (types & EV_CHECK) |
4479 | if (types & EV_CHECK) |
3441 | for (i = checkcnt; i--; ) |
4480 | for (i = checkcnt; i--; ) |
3442 | cb (EV_A_ EV_CHECK, checks [i]); |
4481 | cb (EV_A_ EV_CHECK, checks [i]); |
|
|
4482 | #endif |
3443 | |
4483 | |
|
|
4484 | #if EV_SIGNAL_ENABLE |
3444 | if (types & EV_SIGNAL) |
4485 | if (types & EV_SIGNAL) |
3445 | for (i = 0; i < signalmax; ++i) |
4486 | for (i = 0; i < EV_NSIG - 1; ++i) |
3446 | for (wl = signals [i].head; wl; ) |
4487 | for (wl = signals [i].head; wl; ) |
3447 | { |
4488 | { |
3448 | wn = wl->next; |
4489 | wn = wl->next; |
3449 | cb (EV_A_ EV_SIGNAL, wl); |
4490 | cb (EV_A_ EV_SIGNAL, wl); |
3450 | wl = wn; |
4491 | wl = wn; |
3451 | } |
4492 | } |
|
|
4493 | #endif |
3452 | |
4494 | |
|
|
4495 | #if EV_CHILD_ENABLE |
3453 | if (types & EV_CHILD) |
4496 | if (types & EV_CHILD) |
3454 | for (i = EV_PID_HASHSIZE; i--; ) |
4497 | for (i = (EV_PID_HASHSIZE); i--; ) |
3455 | for (wl = childs [i]; wl; ) |
4498 | for (wl = childs [i]; wl; ) |
3456 | { |
4499 | { |
3457 | wn = wl->next; |
4500 | wn = wl->next; |
3458 | cb (EV_A_ EV_CHILD, wl); |
4501 | cb (EV_A_ EV_CHILD, wl); |
3459 | wl = wn; |
4502 | wl = wn; |
3460 | } |
4503 | } |
|
|
4504 | #endif |
3461 | /* EV_STAT 0x00001000 /* stat data changed */ |
4505 | /* EV_STAT 0x00001000 /* stat data changed */ |
3462 | /* EV_EMBED 0x00010000 /* embedded event loop needs sweep */ |
4506 | /* EV_EMBED 0x00010000 /* embedded event loop needs sweep */ |
3463 | } |
4507 | } |
3464 | #endif |
4508 | #endif |
3465 | |
4509 | |
3466 | #if EV_MULTIPLICITY |
4510 | #if EV_MULTIPLICITY |
3467 | #include "ev_wrap.h" |
4511 | #include "ev_wrap.h" |
3468 | #endif |
4512 | #endif |
3469 | |
4513 | |
3470 | #ifdef __cplusplus |
|
|
3471 | } |
|
|
3472 | #endif |
|
|
3473 | |
|
|