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 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 | * |
… | |
… | |
77 | # ifndef EV_USE_REALTIME |
77 | # ifndef EV_USE_REALTIME |
78 | # define EV_USE_REALTIME 0 |
78 | # define EV_USE_REALTIME 0 |
79 | # endif |
79 | # endif |
80 | # endif |
80 | # endif |
81 | |
81 | |
|
|
82 | # if HAVE_NANOSLEEP |
82 | # ifndef EV_USE_NANOSLEEP |
83 | # ifndef EV_USE_NANOSLEEP |
83 | # if HAVE_NANOSLEEP |
|
|
84 | # define EV_USE_NANOSLEEP 1 |
84 | # define EV_USE_NANOSLEEP EV_FEATURE_OS |
|
|
85 | # endif |
85 | # else |
86 | # else |
|
|
87 | # undef EV_USE_NANOSLEEP |
86 | # define EV_USE_NANOSLEEP 0 |
88 | # define EV_USE_NANOSLEEP 0 |
|
|
89 | # endif |
|
|
90 | |
|
|
91 | # if HAVE_SELECT && HAVE_SYS_SELECT_H |
|
|
92 | # ifndef EV_USE_SELECT |
|
|
93 | # define EV_USE_SELECT EV_FEATURE_BACKENDS |
87 | # endif |
94 | # endif |
|
|
95 | # else |
|
|
96 | # undef EV_USE_SELECT |
|
|
97 | # define EV_USE_SELECT 0 |
88 | # endif |
98 | # endif |
89 | |
99 | |
|
|
100 | # if HAVE_POLL && HAVE_POLL_H |
90 | # ifndef EV_USE_SELECT |
101 | # ifndef EV_USE_POLL |
91 | # if HAVE_SELECT && HAVE_SYS_SELECT_H |
102 | # define EV_USE_POLL EV_FEATURE_BACKENDS |
92 | # define EV_USE_SELECT 1 |
|
|
93 | # else |
|
|
94 | # define EV_USE_SELECT 0 |
|
|
95 | # endif |
103 | # endif |
96 | # endif |
|
|
97 | |
|
|
98 | # ifndef EV_USE_POLL |
|
|
99 | # if HAVE_POLL && HAVE_POLL_H |
|
|
100 | # define EV_USE_POLL 1 |
|
|
101 | # else |
104 | # else |
|
|
105 | # undef EV_USE_POLL |
102 | # define EV_USE_POLL 0 |
106 | # define EV_USE_POLL 0 |
103 | # endif |
|
|
104 | # endif |
107 | # endif |
105 | |
108 | |
106 | # ifndef EV_USE_EPOLL |
|
|
107 | # if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H |
109 | # if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H |
108 | # define EV_USE_EPOLL 1 |
110 | # ifndef EV_USE_EPOLL |
109 | # else |
111 | # define EV_USE_EPOLL EV_FEATURE_BACKENDS |
110 | # define EV_USE_EPOLL 0 |
|
|
111 | # endif |
112 | # endif |
|
|
113 | # else |
|
|
114 | # undef EV_USE_EPOLL |
|
|
115 | # define EV_USE_EPOLL 0 |
112 | # endif |
116 | # endif |
113 | |
117 | |
|
|
118 | # if HAVE_KQUEUE && HAVE_SYS_EVENT_H |
114 | # ifndef EV_USE_KQUEUE |
119 | # ifndef EV_USE_KQUEUE |
115 | # if HAVE_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H |
120 | # define EV_USE_KQUEUE EV_FEATURE_BACKENDS |
116 | # define EV_USE_KQUEUE 1 |
|
|
117 | # else |
|
|
118 | # define EV_USE_KQUEUE 0 |
|
|
119 | # endif |
121 | # endif |
|
|
122 | # else |
|
|
123 | # undef EV_USE_KQUEUE |
|
|
124 | # define EV_USE_KQUEUE 0 |
120 | # endif |
125 | # endif |
121 | |
126 | |
122 | # ifndef EV_USE_PORT |
|
|
123 | # if HAVE_PORT_H && HAVE_PORT_CREATE |
127 | # if HAVE_PORT_H && HAVE_PORT_CREATE |
124 | # define EV_USE_PORT 1 |
128 | # ifndef EV_USE_PORT |
125 | # else |
129 | # define EV_USE_PORT EV_FEATURE_BACKENDS |
126 | # define EV_USE_PORT 0 |
|
|
127 | # endif |
130 | # endif |
|
|
131 | # else |
|
|
132 | # undef EV_USE_PORT |
|
|
133 | # define EV_USE_PORT 0 |
128 | # endif |
134 | # endif |
129 | |
135 | |
130 | # ifndef EV_USE_INOTIFY |
|
|
131 | # if HAVE_INOTIFY_INIT && HAVE_SYS_INOTIFY_H |
136 | # if HAVE_INOTIFY_INIT && HAVE_SYS_INOTIFY_H |
132 | # define EV_USE_INOTIFY 1 |
137 | # ifndef EV_USE_INOTIFY |
133 | # else |
|
|
134 | # define EV_USE_INOTIFY 0 |
138 | # define EV_USE_INOTIFY EV_FEATURE_OS |
135 | # endif |
139 | # endif |
|
|
140 | # else |
|
|
141 | # undef EV_USE_INOTIFY |
|
|
142 | # define EV_USE_INOTIFY 0 |
136 | # endif |
143 | # endif |
137 | |
144 | |
138 | # ifndef EV_USE_SIGNALFD |
|
|
139 | # if HAVE_SIGNALFD && HAVE_SYS_SIGNALFD_H |
145 | # if HAVE_SIGNALFD && HAVE_SYS_SIGNALFD_H |
140 | # define EV_USE_SIGNALFD 1 |
146 | # ifndef EV_USE_SIGNALFD |
141 | # else |
|
|
142 | # define EV_USE_SIGNALFD 0 |
147 | # define EV_USE_SIGNALFD EV_FEATURE_OS |
143 | # endif |
148 | # endif |
|
|
149 | # else |
|
|
150 | # undef EV_USE_SIGNALFD |
|
|
151 | # define EV_USE_SIGNALFD 0 |
144 | # endif |
152 | # endif |
145 | |
153 | |
|
|
154 | # if HAVE_EVENTFD |
146 | # ifndef EV_USE_EVENTFD |
155 | # ifndef EV_USE_EVENTFD |
147 | # if HAVE_EVENTFD |
|
|
148 | # define EV_USE_EVENTFD 1 |
156 | # define EV_USE_EVENTFD EV_FEATURE_OS |
149 | # else |
|
|
150 | # define EV_USE_EVENTFD 0 |
|
|
151 | # endif |
157 | # endif |
|
|
158 | # else |
|
|
159 | # undef EV_USE_EVENTFD |
|
|
160 | # define EV_USE_EVENTFD 0 |
152 | # endif |
161 | # endif |
153 | |
162 | |
154 | #endif |
163 | #endif |
155 | |
164 | |
156 | #include <math.h> |
165 | #include <math.h> |
157 | #include <stdlib.h> |
166 | #include <stdlib.h> |
|
|
167 | #include <string.h> |
158 | #include <fcntl.h> |
168 | #include <fcntl.h> |
159 | #include <stddef.h> |
169 | #include <stddef.h> |
160 | |
170 | |
161 | #include <stdio.h> |
171 | #include <stdio.h> |
162 | |
172 | |
163 | #include <assert.h> |
173 | #include <assert.h> |
164 | #include <errno.h> |
174 | #include <errno.h> |
165 | #include <sys/types.h> |
175 | #include <sys/types.h> |
166 | #include <time.h> |
176 | #include <time.h> |
|
|
177 | #include <limits.h> |
167 | |
178 | |
168 | #include <signal.h> |
179 | #include <signal.h> |
169 | |
180 | |
170 | #ifdef EV_H |
181 | #ifdef EV_H |
171 | # include EV_H |
182 | # include EV_H |
… | |
… | |
182 | # define WIN32_LEAN_AND_MEAN |
193 | # define WIN32_LEAN_AND_MEAN |
183 | # include <windows.h> |
194 | # include <windows.h> |
184 | # ifndef EV_SELECT_IS_WINSOCKET |
195 | # ifndef EV_SELECT_IS_WINSOCKET |
185 | # define EV_SELECT_IS_WINSOCKET 1 |
196 | # define EV_SELECT_IS_WINSOCKET 1 |
186 | # endif |
197 | # endif |
|
|
198 | # undef EV_AVOID_STDIO |
187 | #endif |
199 | #endif |
|
|
200 | |
|
|
201 | /* OS X, in its infinite idiocy, actually HARDCODES |
|
|
202 | * a limit of 1024 into their select. Where people have brains, |
|
|
203 | * OS X engineers apparently have a vacuum. Or maybe they were |
|
|
204 | * ordered to have a vacuum, or they do anything for money. |
|
|
205 | * This might help. Or not. |
|
|
206 | */ |
|
|
207 | #define _DARWIN_UNLIMITED_SELECT 1 |
188 | |
208 | |
189 | /* this block tries to deduce configuration from header-defined symbols and defaults */ |
209 | /* this block tries to deduce configuration from header-defined symbols and defaults */ |
190 | |
210 | |
191 | /* try to deduce the maximum number of signals on this platform */ |
211 | /* try to deduce the maximum number of signals on this platform */ |
192 | #if defined (EV_NSIG) |
212 | #if defined (EV_NSIG) |
… | |
… | |
204 | #elif defined (MAXSIG) |
224 | #elif defined (MAXSIG) |
205 | # define EV_NSIG (MAXSIG+1) |
225 | # define EV_NSIG (MAXSIG+1) |
206 | #elif defined (MAX_SIG) |
226 | #elif defined (MAX_SIG) |
207 | # define EV_NSIG (MAX_SIG+1) |
227 | # define EV_NSIG (MAX_SIG+1) |
208 | #elif defined (SIGARRAYSIZE) |
228 | #elif defined (SIGARRAYSIZE) |
209 | # define EV_NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */ |
229 | # define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */ |
210 | #elif defined (_sys_nsig) |
230 | #elif defined (_sys_nsig) |
211 | # define EV_NSIG (_sys_nsig) /* Solaris 2.5 */ |
231 | # define EV_NSIG (_sys_nsig) /* Solaris 2.5 */ |
212 | #else |
232 | #else |
213 | # error "unable to find value for NSIG, please report" |
233 | # error "unable to find value for NSIG, please report" |
214 | /* to make it compile regardless, just remove the above line */ |
234 | /* to make it compile regardless, just remove the above line, */ |
|
|
235 | /* but consider reporting it, too! :) */ |
215 | # define EV_NSIG 65 |
236 | # define EV_NSIG 65 |
216 | #endif |
237 | #endif |
217 | |
238 | |
218 | #ifndef EV_USE_CLOCK_SYSCALL |
239 | #ifndef EV_USE_CLOCK_SYSCALL |
219 | # if __linux && __GLIBC__ >= 2 |
240 | # if __linux && __GLIBC__ >= 2 |
220 | # define EV_USE_CLOCK_SYSCALL 1 |
241 | # define EV_USE_CLOCK_SYSCALL EV_FEATURE_OS |
221 | # else |
242 | # else |
222 | # define EV_USE_CLOCK_SYSCALL 0 |
243 | # define EV_USE_CLOCK_SYSCALL 0 |
223 | # endif |
244 | # endif |
224 | #endif |
245 | #endif |
225 | |
246 | |
226 | #ifndef EV_USE_MONOTONIC |
247 | #ifndef EV_USE_MONOTONIC |
227 | # if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0 |
248 | # if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0 |
228 | # define EV_USE_MONOTONIC 1 |
249 | # define EV_USE_MONOTONIC EV_FEATURE_OS |
229 | # else |
250 | # else |
230 | # define EV_USE_MONOTONIC 0 |
251 | # define EV_USE_MONOTONIC 0 |
231 | # endif |
252 | # endif |
232 | #endif |
253 | #endif |
233 | |
254 | |
… | |
… | |
235 | # define EV_USE_REALTIME !EV_USE_CLOCK_SYSCALL |
256 | # define EV_USE_REALTIME !EV_USE_CLOCK_SYSCALL |
236 | #endif |
257 | #endif |
237 | |
258 | |
238 | #ifndef EV_USE_NANOSLEEP |
259 | #ifndef EV_USE_NANOSLEEP |
239 | # if _POSIX_C_SOURCE >= 199309L |
260 | # if _POSIX_C_SOURCE >= 199309L |
240 | # define EV_USE_NANOSLEEP 1 |
261 | # define EV_USE_NANOSLEEP EV_FEATURE_OS |
241 | # else |
262 | # else |
242 | # define EV_USE_NANOSLEEP 0 |
263 | # define EV_USE_NANOSLEEP 0 |
243 | # endif |
264 | # endif |
244 | #endif |
265 | #endif |
245 | |
266 | |
246 | #ifndef EV_USE_SELECT |
267 | #ifndef EV_USE_SELECT |
247 | # define EV_USE_SELECT 1 |
268 | # define EV_USE_SELECT EV_FEATURE_BACKENDS |
248 | #endif |
269 | #endif |
249 | |
270 | |
250 | #ifndef EV_USE_POLL |
271 | #ifndef EV_USE_POLL |
251 | # ifdef _WIN32 |
272 | # ifdef _WIN32 |
252 | # define EV_USE_POLL 0 |
273 | # define EV_USE_POLL 0 |
253 | # else |
274 | # else |
254 | # define EV_USE_POLL 1 |
275 | # define EV_USE_POLL EV_FEATURE_BACKENDS |
255 | # endif |
276 | # endif |
256 | #endif |
277 | #endif |
257 | |
278 | |
258 | #ifndef EV_USE_EPOLL |
279 | #ifndef EV_USE_EPOLL |
259 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
280 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
260 | # define EV_USE_EPOLL 1 |
281 | # define EV_USE_EPOLL EV_FEATURE_BACKENDS |
261 | # else |
282 | # else |
262 | # define EV_USE_EPOLL 0 |
283 | # define EV_USE_EPOLL 0 |
263 | # endif |
284 | # endif |
264 | #endif |
285 | #endif |
265 | |
286 | |
… | |
… | |
271 | # define EV_USE_PORT 0 |
292 | # define EV_USE_PORT 0 |
272 | #endif |
293 | #endif |
273 | |
294 | |
274 | #ifndef EV_USE_INOTIFY |
295 | #ifndef EV_USE_INOTIFY |
275 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
296 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
276 | # define EV_USE_INOTIFY 1 |
297 | # define EV_USE_INOTIFY EV_FEATURE_OS |
277 | # else |
298 | # else |
278 | # define EV_USE_INOTIFY 0 |
299 | # define EV_USE_INOTIFY 0 |
279 | # endif |
300 | # endif |
280 | #endif |
301 | #endif |
281 | |
302 | |
282 | #ifndef EV_PID_HASHSIZE |
303 | #ifndef EV_PID_HASHSIZE |
283 | # if EV_MINIMAL |
304 | # define EV_PID_HASHSIZE EV_FEATURE_DATA ? 16 : 1 |
284 | # define EV_PID_HASHSIZE 1 |
|
|
285 | # else |
|
|
286 | # define EV_PID_HASHSIZE 16 |
|
|
287 | # endif |
|
|
288 | #endif |
305 | #endif |
289 | |
306 | |
290 | #ifndef EV_INOTIFY_HASHSIZE |
307 | #ifndef EV_INOTIFY_HASHSIZE |
291 | # if EV_MINIMAL |
308 | # define EV_INOTIFY_HASHSIZE EV_FEATURE_DATA ? 16 : 1 |
292 | # define EV_INOTIFY_HASHSIZE 1 |
|
|
293 | # else |
|
|
294 | # define EV_INOTIFY_HASHSIZE 16 |
|
|
295 | # endif |
|
|
296 | #endif |
309 | #endif |
297 | |
310 | |
298 | #ifndef EV_USE_EVENTFD |
311 | #ifndef EV_USE_EVENTFD |
299 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
312 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
300 | # define EV_USE_EVENTFD 1 |
313 | # define EV_USE_EVENTFD EV_FEATURE_OS |
301 | # else |
314 | # else |
302 | # define EV_USE_EVENTFD 0 |
315 | # define EV_USE_EVENTFD 0 |
303 | # endif |
316 | # endif |
304 | #endif |
317 | #endif |
305 | |
318 | |
306 | #ifndef EV_USE_SIGNALFD |
319 | #ifndef EV_USE_SIGNALFD |
307 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 9)) |
320 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
308 | # define EV_USE_SIGNALFD 1 |
321 | # define EV_USE_SIGNALFD EV_FEATURE_OS |
309 | # else |
322 | # else |
310 | # define EV_USE_SIGNALFD 0 |
323 | # define EV_USE_SIGNALFD 0 |
311 | # endif |
324 | # endif |
312 | #endif |
325 | #endif |
313 | |
326 | |
… | |
… | |
316 | # define EV_USE_4HEAP 1 |
329 | # define EV_USE_4HEAP 1 |
317 | # define EV_HEAP_CACHE_AT 1 |
330 | # define EV_HEAP_CACHE_AT 1 |
318 | #endif |
331 | #endif |
319 | |
332 | |
320 | #ifndef EV_VERIFY |
333 | #ifndef EV_VERIFY |
321 | # define EV_VERIFY !EV_MINIMAL |
334 | # define EV_VERIFY (EV_FEATURE_API ? 1 : 0) |
322 | #endif |
335 | #endif |
323 | |
336 | |
324 | #ifndef EV_USE_4HEAP |
337 | #ifndef EV_USE_4HEAP |
325 | # define EV_USE_4HEAP !EV_MINIMAL |
338 | # define EV_USE_4HEAP EV_FEATURE_DATA |
326 | #endif |
339 | #endif |
327 | |
340 | |
328 | #ifndef EV_HEAP_CACHE_AT |
341 | #ifndef EV_HEAP_CACHE_AT |
329 | # define EV_HEAP_CACHE_AT !EV_MINIMAL |
342 | # define EV_HEAP_CACHE_AT EV_FEATURE_DATA |
330 | #endif |
343 | #endif |
331 | |
344 | |
332 | /* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */ |
345 | /* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */ |
333 | /* which makes programs even slower. might work on other unices, too. */ |
346 | /* which makes programs even slower. might work on other unices, too. */ |
334 | #if EV_USE_CLOCK_SYSCALL |
347 | #if EV_USE_CLOCK_SYSCALL |
… | |
… | |
343 | # endif |
356 | # endif |
344 | #endif |
357 | #endif |
345 | |
358 | |
346 | /* this block fixes any misconfiguration where we know we run into trouble otherwise */ |
359 | /* this block fixes any misconfiguration where we know we run into trouble otherwise */ |
347 | |
360 | |
|
|
361 | #ifdef _AIX |
|
|
362 | /* AIX has a completely broken poll.h header */ |
|
|
363 | # undef EV_USE_POLL |
|
|
364 | # define EV_USE_POLL 0 |
|
|
365 | #endif |
|
|
366 | |
348 | #ifndef CLOCK_MONOTONIC |
367 | #ifndef CLOCK_MONOTONIC |
349 | # undef EV_USE_MONOTONIC |
368 | # undef EV_USE_MONOTONIC |
350 | # define EV_USE_MONOTONIC 0 |
369 | # define EV_USE_MONOTONIC 0 |
351 | #endif |
370 | #endif |
352 | |
371 | |
… | |
… | |
386 | # include <stdint.h> |
405 | # include <stdint.h> |
387 | # ifndef EFD_NONBLOCK |
406 | # ifndef EFD_NONBLOCK |
388 | # define EFD_NONBLOCK O_NONBLOCK |
407 | # define EFD_NONBLOCK O_NONBLOCK |
389 | # endif |
408 | # endif |
390 | # ifndef EFD_CLOEXEC |
409 | # ifndef EFD_CLOEXEC |
|
|
410 | # ifdef O_CLOEXEC |
391 | # define EFD_CLOEXEC O_CLOEXEC |
411 | # define EFD_CLOEXEC O_CLOEXEC |
|
|
412 | # else |
|
|
413 | # define EFD_CLOEXEC 02000000 |
|
|
414 | # endif |
392 | # endif |
415 | # endif |
393 | # ifdef __cplusplus |
416 | # ifdef __cplusplus |
394 | extern "C" { |
417 | extern "C" { |
395 | # endif |
418 | # endif |
396 | int eventfd (unsigned int initval, int flags); |
419 | int (eventfd) (unsigned int initval, int flags); |
397 | # ifdef __cplusplus |
420 | # ifdef __cplusplus |
398 | } |
421 | } |
399 | # endif |
422 | # endif |
400 | #endif |
423 | #endif |
401 | |
424 | |
402 | #if EV_USE_SIGNALFD |
425 | #if EV_USE_SIGNALFD |
403 | # include <sys/signalfd.h> |
426 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
|
|
427 | # include <stdint.h> |
|
|
428 | # ifndef SFD_NONBLOCK |
|
|
429 | # define SFD_NONBLOCK O_NONBLOCK |
404 | #endif |
430 | # endif |
|
|
431 | # ifndef SFD_CLOEXEC |
|
|
432 | # ifdef O_CLOEXEC |
|
|
433 | # define SFD_CLOEXEC O_CLOEXEC |
|
|
434 | # else |
|
|
435 | # define SFD_CLOEXEC 02000000 |
|
|
436 | # endif |
|
|
437 | # endif |
|
|
438 | # ifdef __cplusplus |
|
|
439 | extern "C" { |
|
|
440 | # endif |
|
|
441 | int signalfd (int fd, const sigset_t *mask, int flags); |
|
|
442 | |
|
|
443 | struct signalfd_siginfo |
|
|
444 | { |
|
|
445 | uint32_t ssi_signo; |
|
|
446 | char pad[128 - sizeof (uint32_t)]; |
|
|
447 | }; |
|
|
448 | # ifdef __cplusplus |
|
|
449 | } |
|
|
450 | # endif |
|
|
451 | #endif |
|
|
452 | |
405 | |
453 | |
406 | /**/ |
454 | /**/ |
407 | |
455 | |
408 | #if EV_VERIFY >= 3 |
456 | #if EV_VERIFY >= 3 |
409 | # define EV_FREQUENT_CHECK ev_loop_verify (EV_A) |
457 | # define EV_FREQUENT_CHECK ev_verify (EV_A) |
410 | #else |
458 | #else |
411 | # define EV_FREQUENT_CHECK do { } while (0) |
459 | # define EV_FREQUENT_CHECK do { } while (0) |
412 | #endif |
460 | #endif |
413 | |
461 | |
414 | /* |
462 | /* |
… | |
… | |
421 | */ |
469 | */ |
422 | #define TIME_EPSILON 0.0001220703125 /* 1/8192 */ |
470 | #define TIME_EPSILON 0.0001220703125 /* 1/8192 */ |
423 | |
471 | |
424 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
472 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
425 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
473 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
426 | /*#define CLEANUP_INTERVAL (MAX_BLOCKTIME * 5.) /* how often to try to free memory and re-check fds, TODO */ |
|
|
427 | |
474 | |
428 | #if __GNUC__ >= 4 |
475 | #if __GNUC__ >= 4 |
429 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
476 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
430 | # define noinline __attribute__ ((noinline)) |
477 | # define noinline __attribute__ ((noinline)) |
431 | #else |
478 | #else |
… | |
… | |
438 | |
485 | |
439 | #define expect_false(expr) expect ((expr) != 0, 0) |
486 | #define expect_false(expr) expect ((expr) != 0, 0) |
440 | #define expect_true(expr) expect ((expr) != 0, 1) |
487 | #define expect_true(expr) expect ((expr) != 0, 1) |
441 | #define inline_size static inline |
488 | #define inline_size static inline |
442 | |
489 | |
443 | #if EV_MINIMAL |
490 | #if EV_FEATURE_CODE |
|
|
491 | # define inline_speed static inline |
|
|
492 | #else |
444 | # define inline_speed static noinline |
493 | # define inline_speed static noinline |
445 | #else |
|
|
446 | # define inline_speed static inline |
|
|
447 | #endif |
494 | #endif |
448 | |
495 | |
449 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
496 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
450 | |
497 | |
451 | #if EV_MINPRI == EV_MAXPRI |
498 | #if EV_MINPRI == EV_MAXPRI |
… | |
… | |
464 | #define ev_active(w) ((W)(w))->active |
511 | #define ev_active(w) ((W)(w))->active |
465 | #define ev_at(w) ((WT)(w))->at |
512 | #define ev_at(w) ((WT)(w))->at |
466 | |
513 | |
467 | #if EV_USE_REALTIME |
514 | #if EV_USE_REALTIME |
468 | /* sig_atomic_t is used to avoid per-thread variables or locking but still */ |
515 | /* sig_atomic_t is used to avoid per-thread variables or locking but still */ |
469 | /* giving it a reasonably high chance of working on typical architetcures */ |
516 | /* giving it a reasonably high chance of working on typical architectures */ |
470 | static EV_ATOMIC_T have_realtime; /* did clock_gettime (CLOCK_REALTIME) work? */ |
517 | static EV_ATOMIC_T have_realtime; /* did clock_gettime (CLOCK_REALTIME) work? */ |
471 | #endif |
518 | #endif |
472 | |
519 | |
473 | #if EV_USE_MONOTONIC |
520 | #if EV_USE_MONOTONIC |
474 | static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
521 | static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
475 | #endif |
522 | #endif |
476 | |
523 | |
|
|
524 | #ifndef EV_FD_TO_WIN32_HANDLE |
|
|
525 | # define EV_FD_TO_WIN32_HANDLE(fd) _get_osfhandle (fd) |
|
|
526 | #endif |
|
|
527 | #ifndef EV_WIN32_HANDLE_TO_FD |
|
|
528 | # define EV_WIN32_HANDLE_TO_FD(handle) _open_osfhandle (handle, 0) |
|
|
529 | #endif |
|
|
530 | #ifndef EV_WIN32_CLOSE_FD |
|
|
531 | # define EV_WIN32_CLOSE_FD(fd) close (fd) |
|
|
532 | #endif |
|
|
533 | |
477 | #ifdef _WIN32 |
534 | #ifdef _WIN32 |
478 | # include "ev_win32.c" |
535 | # include "ev_win32.c" |
479 | #endif |
536 | #endif |
480 | |
537 | |
481 | /*****************************************************************************/ |
538 | /*****************************************************************************/ |
|
|
539 | |
|
|
540 | #if EV_AVOID_STDIO |
|
|
541 | static void noinline |
|
|
542 | ev_printerr (const char *msg) |
|
|
543 | { |
|
|
544 | write (STDERR_FILENO, msg, strlen (msg)); |
|
|
545 | } |
|
|
546 | #endif |
482 | |
547 | |
483 | static void (*syserr_cb)(const char *msg); |
548 | static void (*syserr_cb)(const char *msg); |
484 | |
549 | |
485 | void |
550 | void |
486 | ev_set_syserr_cb (void (*cb)(const char *msg)) |
551 | ev_set_syserr_cb (void (*cb)(const char *msg)) |
… | |
… | |
496 | |
561 | |
497 | if (syserr_cb) |
562 | if (syserr_cb) |
498 | syserr_cb (msg); |
563 | syserr_cb (msg); |
499 | else |
564 | else |
500 | { |
565 | { |
|
|
566 | #if EV_AVOID_STDIO |
|
|
567 | const char *err = strerror (errno); |
|
|
568 | |
|
|
569 | ev_printerr (msg); |
|
|
570 | ev_printerr (": "); |
|
|
571 | ev_printerr (err); |
|
|
572 | ev_printerr ("\n"); |
|
|
573 | #else |
501 | perror (msg); |
574 | perror (msg); |
|
|
575 | #endif |
502 | abort (); |
576 | abort (); |
503 | } |
577 | } |
504 | } |
578 | } |
505 | |
579 | |
506 | static void * |
580 | static void * |
507 | ev_realloc_emul (void *ptr, long size) |
581 | ev_realloc_emul (void *ptr, long size) |
508 | { |
582 | { |
|
|
583 | #if __GLIBC__ |
|
|
584 | return realloc (ptr, size); |
|
|
585 | #else |
509 | /* some systems, notably openbsd and darwin, fail to properly |
586 | /* some systems, notably openbsd and darwin, fail to properly |
510 | * implement realloc (x, 0) (as required by both ansi c-98 and |
587 | * implement realloc (x, 0) (as required by both ansi c-89 and |
511 | * the single unix specification, so work around them here. |
588 | * the single unix specification, so work around them here. |
512 | */ |
589 | */ |
513 | |
590 | |
514 | if (size) |
591 | if (size) |
515 | return realloc (ptr, size); |
592 | return realloc (ptr, size); |
516 | |
593 | |
517 | free (ptr); |
594 | free (ptr); |
518 | return 0; |
595 | return 0; |
|
|
596 | #endif |
519 | } |
597 | } |
520 | |
598 | |
521 | static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; |
599 | static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; |
522 | |
600 | |
523 | void |
601 | void |
… | |
… | |
531 | { |
609 | { |
532 | ptr = alloc (ptr, size); |
610 | ptr = alloc (ptr, size); |
533 | |
611 | |
534 | if (!ptr && size) |
612 | if (!ptr && size) |
535 | { |
613 | { |
|
|
614 | #if EV_AVOID_STDIO |
|
|
615 | ev_printerr ("libev: memory allocation failed, aborting.\n"); |
|
|
616 | #else |
536 | fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); |
617 | fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); |
|
|
618 | #endif |
537 | abort (); |
619 | abort (); |
538 | } |
620 | } |
539 | |
621 | |
540 | return ptr; |
622 | return ptr; |
541 | } |
623 | } |
… | |
… | |
623 | |
705 | |
624 | static int ev_default_loop_ptr; |
706 | static int ev_default_loop_ptr; |
625 | |
707 | |
626 | #endif |
708 | #endif |
627 | |
709 | |
628 | #if EV_MINIMAL < 2 |
710 | #if EV_FEATURE_API |
629 | # define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A) |
711 | # define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A) |
630 | # define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A) |
712 | # define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A) |
631 | # define EV_INVOKE_PENDING invoke_cb (EV_A) |
713 | # define EV_INVOKE_PENDING invoke_cb (EV_A) |
632 | #else |
714 | #else |
633 | # define EV_RELEASE_CB (void)0 |
715 | # define EV_RELEASE_CB (void)0 |
… | |
… | |
712 | /*****************************************************************************/ |
794 | /*****************************************************************************/ |
713 | |
795 | |
714 | #define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */ |
796 | #define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */ |
715 | |
797 | |
716 | /* find a suitable new size for the given array, */ |
798 | /* find a suitable new size for the given array, */ |
717 | /* hopefully by rounding to a ncie-to-malloc size */ |
799 | /* hopefully by rounding to a nice-to-malloc size */ |
718 | inline_size int |
800 | inline_size int |
719 | array_nextsize (int elem, int cur, int cnt) |
801 | array_nextsize (int elem, int cur, int cnt) |
720 | { |
802 | { |
721 | int ncur = cur + 1; |
803 | int ncur = cur + 1; |
722 | |
804 | |
… | |
… | |
818 | } |
900 | } |
819 | |
901 | |
820 | /*****************************************************************************/ |
902 | /*****************************************************************************/ |
821 | |
903 | |
822 | inline_speed void |
904 | inline_speed void |
823 | fd_event_nc (EV_P_ int fd, int revents) |
905 | fd_event_nocheck (EV_P_ int fd, int revents) |
824 | { |
906 | { |
825 | ANFD *anfd = anfds + fd; |
907 | ANFD *anfd = anfds + fd; |
826 | ev_io *w; |
908 | ev_io *w; |
827 | |
909 | |
828 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
910 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
… | |
… | |
840 | fd_event (EV_P_ int fd, int revents) |
922 | fd_event (EV_P_ int fd, int revents) |
841 | { |
923 | { |
842 | ANFD *anfd = anfds + fd; |
924 | ANFD *anfd = anfds + fd; |
843 | |
925 | |
844 | if (expect_true (!anfd->reify)) |
926 | if (expect_true (!anfd->reify)) |
845 | fd_event_nc (EV_A_ fd, revents); |
927 | fd_event_nocheck (EV_A_ fd, revents); |
846 | } |
928 | } |
847 | |
929 | |
848 | void |
930 | void |
849 | ev_feed_fd_event (EV_P_ int fd, int revents) |
931 | ev_feed_fd_event (EV_P_ int fd, int revents) |
850 | { |
932 | { |
851 | if (fd >= 0 && fd < anfdmax) |
933 | if (fd >= 0 && fd < anfdmax) |
852 | fd_event_nc (EV_A_ fd, revents); |
934 | fd_event_nocheck (EV_A_ fd, revents); |
853 | } |
935 | } |
854 | |
936 | |
855 | /* make sure the external fd watch events are in-sync */ |
937 | /* make sure the external fd watch events are in-sync */ |
856 | /* with the kernel/libev internal state */ |
938 | /* with the kernel/libev internal state */ |
857 | inline_size void |
939 | inline_size void |
… | |
… | |
872 | |
954 | |
873 | #if EV_SELECT_IS_WINSOCKET |
955 | #if EV_SELECT_IS_WINSOCKET |
874 | if (events) |
956 | if (events) |
875 | { |
957 | { |
876 | unsigned long arg; |
958 | unsigned long arg; |
877 | #ifdef EV_FD_TO_WIN32_HANDLE |
|
|
878 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
959 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
879 | #else |
|
|
880 | anfd->handle = _get_osfhandle (fd); |
|
|
881 | #endif |
|
|
882 | assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); |
960 | assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); |
883 | } |
961 | } |
884 | #endif |
962 | #endif |
885 | |
963 | |
886 | { |
964 | { |
… | |
… | |
924 | ev_io_stop (EV_A_ w); |
1002 | ev_io_stop (EV_A_ w); |
925 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
1003 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
926 | } |
1004 | } |
927 | } |
1005 | } |
928 | |
1006 | |
929 | /* check whether the given fd is atcually valid, for error recovery */ |
1007 | /* check whether the given fd is actually valid, for error recovery */ |
930 | inline_size int |
1008 | inline_size int |
931 | fd_valid (int fd) |
1009 | fd_valid (int fd) |
932 | { |
1010 | { |
933 | #ifdef _WIN32 |
1011 | #ifdef _WIN32 |
934 | return _get_osfhandle (fd) != -1; |
1012 | return EV_FD_TO_WIN32_HANDLE (fd) != -1; |
935 | #else |
1013 | #else |
936 | return fcntl (fd, F_GETFD) != -1; |
1014 | return fcntl (fd, F_GETFD) != -1; |
937 | #endif |
1015 | #endif |
938 | } |
1016 | } |
939 | |
1017 | |
… | |
… | |
976 | anfds [fd].emask = 0; |
1054 | anfds [fd].emask = 0; |
977 | fd_change (EV_A_ fd, EV__IOFDSET | EV_ANFD_REIFY); |
1055 | fd_change (EV_A_ fd, EV__IOFDSET | EV_ANFD_REIFY); |
978 | } |
1056 | } |
979 | } |
1057 | } |
980 | |
1058 | |
|
|
1059 | /* used to prepare libev internal fd's */ |
|
|
1060 | /* this is not fork-safe */ |
|
|
1061 | inline_speed void |
|
|
1062 | fd_intern (int fd) |
|
|
1063 | { |
|
|
1064 | #ifdef _WIN32 |
|
|
1065 | unsigned long arg = 1; |
|
|
1066 | ioctlsocket (EV_FD_TO_WIN32_HANDLE (fd), FIONBIO, &arg); |
|
|
1067 | #else |
|
|
1068 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
|
|
1069 | fcntl (fd, F_SETFL, O_NONBLOCK); |
|
|
1070 | #endif |
|
|
1071 | } |
|
|
1072 | |
981 | /*****************************************************************************/ |
1073 | /*****************************************************************************/ |
982 | |
1074 | |
983 | /* |
1075 | /* |
984 | * the heap functions want a real array index. array index 0 uis guaranteed to not |
1076 | * the heap functions want a real array index. array index 0 is guaranteed to not |
985 | * be in-use at any time. the first heap entry is at array [HEAP0]. DHEAP gives |
1077 | * be in-use at any time. the first heap entry is at array [HEAP0]. DHEAP gives |
986 | * the branching factor of the d-tree. |
1078 | * the branching factor of the d-tree. |
987 | */ |
1079 | */ |
988 | |
1080 | |
989 | /* |
1081 | /* |
… | |
… | |
1137 | |
1229 | |
1138 | static ANSIG signals [EV_NSIG - 1]; |
1230 | static ANSIG signals [EV_NSIG - 1]; |
1139 | |
1231 | |
1140 | /*****************************************************************************/ |
1232 | /*****************************************************************************/ |
1141 | |
1233 | |
1142 | /* used to prepare libev internal fd's */ |
1234 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
1143 | /* this is not fork-safe */ |
|
|
1144 | inline_speed void |
|
|
1145 | fd_intern (int fd) |
|
|
1146 | { |
|
|
1147 | #ifdef _WIN32 |
|
|
1148 | unsigned long arg = 1; |
|
|
1149 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
|
|
1150 | #else |
|
|
1151 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
|
|
1152 | fcntl (fd, F_SETFL, O_NONBLOCK); |
|
|
1153 | #endif |
|
|
1154 | } |
|
|
1155 | |
1235 | |
1156 | static void noinline |
1236 | static void noinline |
1157 | evpipe_init (EV_P) |
1237 | evpipe_init (EV_P) |
1158 | { |
1238 | { |
1159 | if (!ev_is_active (&pipe_w)) |
1239 | if (!ev_is_active (&pipe_w)) |
1160 | { |
1240 | { |
1161 | #if EV_USE_EVENTFD |
1241 | # if EV_USE_EVENTFD |
1162 | evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC); |
1242 | evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC); |
1163 | if (evfd < 0 && errno == EINVAL) |
1243 | if (evfd < 0 && errno == EINVAL) |
1164 | evfd = eventfd (0, 0); |
1244 | evfd = eventfd (0, 0); |
1165 | |
1245 | |
1166 | if (evfd >= 0) |
1246 | if (evfd >= 0) |
… | |
… | |
1168 | evpipe [0] = -1; |
1248 | evpipe [0] = -1; |
1169 | fd_intern (evfd); /* doing it twice doesn't hurt */ |
1249 | fd_intern (evfd); /* doing it twice doesn't hurt */ |
1170 | ev_io_set (&pipe_w, evfd, EV_READ); |
1250 | ev_io_set (&pipe_w, evfd, EV_READ); |
1171 | } |
1251 | } |
1172 | else |
1252 | else |
1173 | #endif |
1253 | # endif |
1174 | { |
1254 | { |
1175 | while (pipe (evpipe)) |
1255 | while (pipe (evpipe)) |
1176 | ev_syserr ("(libev) error creating signal/async pipe"); |
1256 | ev_syserr ("(libev) error creating signal/async pipe"); |
1177 | |
1257 | |
1178 | fd_intern (evpipe [0]); |
1258 | fd_intern (evpipe [0]); |
… | |
… | |
1189 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
1269 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
1190 | { |
1270 | { |
1191 | if (!*flag) |
1271 | if (!*flag) |
1192 | { |
1272 | { |
1193 | int old_errno = errno; /* save errno because write might clobber it */ |
1273 | int old_errno = errno; /* save errno because write might clobber it */ |
|
|
1274 | char dummy; |
1194 | |
1275 | |
1195 | *flag = 1; |
1276 | *flag = 1; |
1196 | |
1277 | |
1197 | #if EV_USE_EVENTFD |
1278 | #if EV_USE_EVENTFD |
1198 | if (evfd >= 0) |
1279 | if (evfd >= 0) |
… | |
… | |
1200 | uint64_t counter = 1; |
1281 | uint64_t counter = 1; |
1201 | write (evfd, &counter, sizeof (uint64_t)); |
1282 | write (evfd, &counter, sizeof (uint64_t)); |
1202 | } |
1283 | } |
1203 | else |
1284 | else |
1204 | #endif |
1285 | #endif |
1205 | write (evpipe [1], &old_errno, 1); |
1286 | write (evpipe [1], &dummy, 1); |
1206 | |
1287 | |
1207 | errno = old_errno; |
1288 | errno = old_errno; |
1208 | } |
1289 | } |
1209 | } |
1290 | } |
1210 | |
1291 | |
… | |
… | |
1259 | { |
1340 | { |
1260 | #if EV_MULTIPLICITY |
1341 | #if EV_MULTIPLICITY |
1261 | EV_P = signals [signum - 1].loop; |
1342 | EV_P = signals [signum - 1].loop; |
1262 | #endif |
1343 | #endif |
1263 | |
1344 | |
1264 | #if _WIN32 |
1345 | #ifdef _WIN32 |
1265 | signal (signum, ev_sighandler); |
1346 | signal (signum, ev_sighandler); |
1266 | #endif |
1347 | #endif |
1267 | |
1348 | |
1268 | signals [signum - 1].pending = 1; |
1349 | signals [signum - 1].pending = 1; |
1269 | evpipe_write (EV_A_ &sig_pending); |
1350 | evpipe_write (EV_A_ &sig_pending); |
… | |
… | |
1311 | break; |
1392 | break; |
1312 | } |
1393 | } |
1313 | } |
1394 | } |
1314 | #endif |
1395 | #endif |
1315 | |
1396 | |
|
|
1397 | #endif |
|
|
1398 | |
1316 | /*****************************************************************************/ |
1399 | /*****************************************************************************/ |
1317 | |
1400 | |
|
|
1401 | #if EV_CHILD_ENABLE |
1318 | static WL childs [EV_PID_HASHSIZE]; |
1402 | static WL childs [EV_PID_HASHSIZE]; |
1319 | |
|
|
1320 | #ifndef _WIN32 |
|
|
1321 | |
1403 | |
1322 | static ev_signal childev; |
1404 | static ev_signal childev; |
1323 | |
1405 | |
1324 | #ifndef WIFCONTINUED |
1406 | #ifndef WIFCONTINUED |
1325 | # define WIFCONTINUED(status) 0 |
1407 | # define WIFCONTINUED(status) 0 |
… | |
… | |
1330 | child_reap (EV_P_ int chain, int pid, int status) |
1412 | child_reap (EV_P_ int chain, int pid, int status) |
1331 | { |
1413 | { |
1332 | ev_child *w; |
1414 | ev_child *w; |
1333 | int traced = WIFSTOPPED (status) || WIFCONTINUED (status); |
1415 | int traced = WIFSTOPPED (status) || WIFCONTINUED (status); |
1334 | |
1416 | |
1335 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
1417 | for (w = (ev_child *)childs [chain & ((EV_PID_HASHSIZE) - 1)]; w; w = (ev_child *)((WL)w)->next) |
1336 | { |
1418 | { |
1337 | if ((w->pid == pid || !w->pid) |
1419 | if ((w->pid == pid || !w->pid) |
1338 | && (!traced || (w->flags & 1))) |
1420 | && (!traced || (w->flags & 1))) |
1339 | { |
1421 | { |
1340 | ev_set_priority (w, EV_MAXPRI); /* need to do it *now*, this *must* be the same prio as the signal watcher itself */ |
1422 | ev_set_priority (w, EV_MAXPRI); /* need to do it *now*, this *must* be the same prio as the signal watcher itself */ |
… | |
… | |
1365 | /* make sure we are called again until all children have been reaped */ |
1447 | /* make sure we are called again until all children have been reaped */ |
1366 | /* we need to do it this way so that the callback gets called before we continue */ |
1448 | /* we need to do it this way so that the callback gets called before we continue */ |
1367 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
1449 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
1368 | |
1450 | |
1369 | child_reap (EV_A_ pid, pid, status); |
1451 | child_reap (EV_A_ pid, pid, status); |
1370 | if (EV_PID_HASHSIZE > 1) |
1452 | if ((EV_PID_HASHSIZE) > 1) |
1371 | child_reap (EV_A_ 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
1453 | child_reap (EV_A_ 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
1372 | } |
1454 | } |
1373 | |
1455 | |
1374 | #endif |
1456 | #endif |
1375 | |
1457 | |
… | |
… | |
1442 | #ifdef __APPLE__ |
1524 | #ifdef __APPLE__ |
1443 | /* only select works correctly on that "unix-certified" platform */ |
1525 | /* only select works correctly on that "unix-certified" platform */ |
1444 | flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */ |
1526 | flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */ |
1445 | flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */ |
1527 | flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */ |
1446 | #endif |
1528 | #endif |
|
|
1529 | #ifdef __FreeBSD__ |
|
|
1530 | flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */ |
|
|
1531 | #endif |
1447 | |
1532 | |
1448 | return flags; |
1533 | return flags; |
1449 | } |
1534 | } |
1450 | |
1535 | |
1451 | unsigned int |
1536 | unsigned int |
… | |
… | |
1464 | ev_backend (EV_P) |
1549 | ev_backend (EV_P) |
1465 | { |
1550 | { |
1466 | return backend; |
1551 | return backend; |
1467 | } |
1552 | } |
1468 | |
1553 | |
1469 | #if EV_MINIMAL < 2 |
1554 | #if EV_FEATURE_API |
1470 | unsigned int |
1555 | unsigned int |
1471 | ev_loop_count (EV_P) |
1556 | ev_iteration (EV_P) |
1472 | { |
1557 | { |
1473 | return loop_count; |
1558 | return loop_count; |
1474 | } |
1559 | } |
1475 | |
1560 | |
1476 | unsigned int |
1561 | unsigned int |
1477 | ev_loop_depth (EV_P) |
1562 | ev_depth (EV_P) |
1478 | { |
1563 | { |
1479 | return loop_depth; |
1564 | return loop_depth; |
1480 | } |
1565 | } |
1481 | |
1566 | |
1482 | void |
1567 | void |
… | |
… | |
1554 | |
1639 | |
1555 | ev_rt_now = ev_time (); |
1640 | ev_rt_now = ev_time (); |
1556 | mn_now = get_clock (); |
1641 | mn_now = get_clock (); |
1557 | now_floor = mn_now; |
1642 | now_floor = mn_now; |
1558 | rtmn_diff = ev_rt_now - mn_now; |
1643 | rtmn_diff = ev_rt_now - mn_now; |
1559 | #if EV_MINIMAL < 2 |
1644 | #if EV_FEATURE_API |
1560 | invoke_cb = ev_invoke_pending; |
1645 | invoke_cb = ev_invoke_pending; |
1561 | #endif |
1646 | #endif |
1562 | |
1647 | |
1563 | io_blocktime = 0.; |
1648 | io_blocktime = 0.; |
1564 | timeout_blocktime = 0.; |
1649 | timeout_blocktime = 0.; |
… | |
… | |
1570 | #endif |
1655 | #endif |
1571 | #if EV_USE_INOTIFY |
1656 | #if EV_USE_INOTIFY |
1572 | fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2; |
1657 | fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2; |
1573 | #endif |
1658 | #endif |
1574 | #if EV_USE_SIGNALFD |
1659 | #if EV_USE_SIGNALFD |
1575 | sigfd = flags & EVFLAG_NOSIGFD ? -1 : -2; |
1660 | sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1; |
1576 | #endif |
1661 | #endif |
1577 | |
1662 | |
1578 | if (!(flags & 0x0000ffffU)) |
1663 | if (!(flags & 0x0000ffffU)) |
1579 | flags |= ev_recommended_backends (); |
1664 | flags |= ev_recommended_backends (); |
1580 | |
1665 | |
… | |
… | |
1594 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
1679 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
1595 | #endif |
1680 | #endif |
1596 | |
1681 | |
1597 | ev_prepare_init (&pending_w, pendingcb); |
1682 | ev_prepare_init (&pending_w, pendingcb); |
1598 | |
1683 | |
|
|
1684 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
1599 | ev_init (&pipe_w, pipecb); |
1685 | ev_init (&pipe_w, pipecb); |
1600 | ev_set_priority (&pipe_w, EV_MAXPRI); |
1686 | ev_set_priority (&pipe_w, EV_MAXPRI); |
|
|
1687 | #endif |
1601 | } |
1688 | } |
1602 | } |
1689 | } |
1603 | |
1690 | |
1604 | /* free up a loop structure */ |
1691 | /* free up a loop structure */ |
1605 | static void noinline |
1692 | static void noinline |
… | |
… | |
1617 | close (evfd); |
1704 | close (evfd); |
1618 | #endif |
1705 | #endif |
1619 | |
1706 | |
1620 | if (evpipe [0] >= 0) |
1707 | if (evpipe [0] >= 0) |
1621 | { |
1708 | { |
1622 | close (evpipe [0]); |
1709 | EV_WIN32_CLOSE_FD (evpipe [0]); |
1623 | close (evpipe [1]); |
1710 | EV_WIN32_CLOSE_FD (evpipe [1]); |
1624 | } |
1711 | } |
1625 | } |
1712 | } |
1626 | |
1713 | |
1627 | #if EV_USE_SIGNALFD |
1714 | #if EV_USE_SIGNALFD |
1628 | if (ev_is_active (&sigfd_w)) |
1715 | if (ev_is_active (&sigfd_w)) |
1629 | { |
|
|
1630 | /*ev_ref (EV_A);*/ |
|
|
1631 | /*ev_io_stop (EV_A_ &sigfd_w);*/ |
|
|
1632 | |
|
|
1633 | close (sigfd); |
1716 | close (sigfd); |
1634 | } |
|
|
1635 | #endif |
1717 | #endif |
1636 | |
1718 | |
1637 | #if EV_USE_INOTIFY |
1719 | #if EV_USE_INOTIFY |
1638 | if (fs_fd >= 0) |
1720 | if (fs_fd >= 0) |
1639 | close (fs_fd); |
1721 | close (fs_fd); |
… | |
… | |
1724 | close (evfd); |
1806 | close (evfd); |
1725 | #endif |
1807 | #endif |
1726 | |
1808 | |
1727 | if (evpipe [0] >= 0) |
1809 | if (evpipe [0] >= 0) |
1728 | { |
1810 | { |
1729 | close (evpipe [0]); |
1811 | EV_WIN32_CLOSE_FD (evpipe [0]); |
1730 | close (evpipe [1]); |
1812 | EV_WIN32_CLOSE_FD (evpipe [1]); |
1731 | } |
1813 | } |
1732 | |
1814 | |
|
|
1815 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
1733 | evpipe_init (EV_A); |
1816 | evpipe_init (EV_A); |
1734 | /* now iterate over everything, in case we missed something */ |
1817 | /* now iterate over everything, in case we missed something */ |
1735 | pipecb (EV_A_ &pipe_w, EV_READ); |
1818 | pipecb (EV_A_ &pipe_w, EV_READ); |
|
|
1819 | #endif |
1736 | } |
1820 | } |
1737 | |
1821 | |
1738 | postfork = 0; |
1822 | postfork = 0; |
1739 | } |
1823 | } |
1740 | |
1824 | |
… | |
… | |
1802 | verify_watcher (EV_A_ ws [cnt]); |
1886 | verify_watcher (EV_A_ ws [cnt]); |
1803 | } |
1887 | } |
1804 | } |
1888 | } |
1805 | #endif |
1889 | #endif |
1806 | |
1890 | |
1807 | #if EV_MINIMAL < 2 |
1891 | #if EV_FEATURE_API |
1808 | void |
1892 | void |
1809 | ev_loop_verify (EV_P) |
1893 | ev_verify (EV_P) |
1810 | { |
1894 | { |
1811 | #if EV_VERIFY |
1895 | #if EV_VERIFY |
1812 | int i; |
1896 | int i; |
1813 | WL w; |
1897 | WL w; |
1814 | |
1898 | |
… | |
… | |
1853 | #if EV_ASYNC_ENABLE |
1937 | #if EV_ASYNC_ENABLE |
1854 | assert (asyncmax >= asynccnt); |
1938 | assert (asyncmax >= asynccnt); |
1855 | array_verify (EV_A_ (W *)asyncs, asynccnt); |
1939 | array_verify (EV_A_ (W *)asyncs, asynccnt); |
1856 | #endif |
1940 | #endif |
1857 | |
1941 | |
|
|
1942 | #if EV_PREPARE_ENABLE |
1858 | assert (preparemax >= preparecnt); |
1943 | assert (preparemax >= preparecnt); |
1859 | array_verify (EV_A_ (W *)prepares, preparecnt); |
1944 | array_verify (EV_A_ (W *)prepares, preparecnt); |
|
|
1945 | #endif |
1860 | |
1946 | |
|
|
1947 | #if EV_CHECK_ENABLE |
1861 | assert (checkmax >= checkcnt); |
1948 | assert (checkmax >= checkcnt); |
1862 | array_verify (EV_A_ (W *)checks, checkcnt); |
1949 | array_verify (EV_A_ (W *)checks, checkcnt); |
|
|
1950 | #endif |
1863 | |
1951 | |
1864 | # if 0 |
1952 | # if 0 |
|
|
1953 | #if EV_CHILD_ENABLE |
1865 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
1954 | for (w = (ev_child *)childs [chain & ((EV_PID_HASHSIZE) - 1)]; w; w = (ev_child *)((WL)w)->next) |
1866 | for (signum = EV_NSIG; signum--; ) if (signals [signum].pending) |
1955 | for (signum = EV_NSIG; signum--; ) if (signals [signum].pending) |
|
|
1956 | #endif |
1867 | # endif |
1957 | # endif |
1868 | #endif |
1958 | #endif |
1869 | } |
1959 | } |
1870 | #endif |
1960 | #endif |
1871 | |
1961 | |
… | |
… | |
1887 | |
1977 | |
1888 | loop_init (EV_A_ flags); |
1978 | loop_init (EV_A_ flags); |
1889 | |
1979 | |
1890 | if (ev_backend (EV_A)) |
1980 | if (ev_backend (EV_A)) |
1891 | { |
1981 | { |
1892 | #ifndef _WIN32 |
1982 | #if EV_CHILD_ENABLE |
1893 | ev_signal_init (&childev, childcb, SIGCHLD); |
1983 | ev_signal_init (&childev, childcb, SIGCHLD); |
1894 | ev_set_priority (&childev, EV_MAXPRI); |
1984 | ev_set_priority (&childev, EV_MAXPRI); |
1895 | ev_signal_start (EV_A_ &childev); |
1985 | ev_signal_start (EV_A_ &childev); |
1896 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
1986 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
1897 | #endif |
1987 | #endif |
… | |
… | |
1910 | EV_P = ev_default_loop_ptr; |
2000 | EV_P = ev_default_loop_ptr; |
1911 | #endif |
2001 | #endif |
1912 | |
2002 | |
1913 | ev_default_loop_ptr = 0; |
2003 | ev_default_loop_ptr = 0; |
1914 | |
2004 | |
1915 | #ifndef _WIN32 |
2005 | #if EV_CHILD_ENABLE |
1916 | ev_ref (EV_A); /* child watcher */ |
2006 | ev_ref (EV_A); /* child watcher */ |
1917 | ev_signal_stop (EV_A_ &childev); |
2007 | ev_signal_stop (EV_A_ &childev); |
1918 | #endif |
2008 | #endif |
1919 | |
2009 | |
1920 | loop_destroy (EV_A); |
2010 | loop_destroy (EV_A); |
… | |
… | |
2026 | EV_FREQUENT_CHECK; |
2116 | EV_FREQUENT_CHECK; |
2027 | feed_reverse (EV_A_ (W)w); |
2117 | feed_reverse (EV_A_ (W)w); |
2028 | } |
2118 | } |
2029 | while (timercnt && ANHE_at (timers [HEAP0]) < mn_now); |
2119 | while (timercnt && ANHE_at (timers [HEAP0]) < mn_now); |
2030 | |
2120 | |
2031 | feed_reverse_done (EV_A_ EV_TIMEOUT); |
2121 | feed_reverse_done (EV_A_ EV_TIMER); |
2032 | } |
2122 | } |
2033 | } |
2123 | } |
2034 | |
2124 | |
2035 | #if EV_PERIODIC_ENABLE |
2125 | #if EV_PERIODIC_ENABLE |
2036 | /* make periodics pending */ |
2126 | /* make periodics pending */ |
… | |
… | |
2089 | feed_reverse_done (EV_A_ EV_PERIODIC); |
2179 | feed_reverse_done (EV_A_ EV_PERIODIC); |
2090 | } |
2180 | } |
2091 | } |
2181 | } |
2092 | |
2182 | |
2093 | /* simply recalculate all periodics */ |
2183 | /* simply recalculate all periodics */ |
2094 | /* TODO: maybe ensure that at leats one event happens when jumping forward? */ |
2184 | /* TODO: maybe ensure that at least one event happens when jumping forward? */ |
2095 | static void noinline |
2185 | static void noinline |
2096 | periodics_reschedule (EV_P) |
2186 | periodics_reschedule (EV_P) |
2097 | { |
2187 | { |
2098 | int i; |
2188 | int i; |
2099 | |
2189 | |
… | |
… | |
2127 | ANHE_at_cache (*he); |
2217 | ANHE_at_cache (*he); |
2128 | } |
2218 | } |
2129 | } |
2219 | } |
2130 | |
2220 | |
2131 | /* fetch new monotonic and realtime times from the kernel */ |
2221 | /* fetch new monotonic and realtime times from the kernel */ |
2132 | /* also detetc if there was a timejump, and act accordingly */ |
2222 | /* also detect if there was a timejump, and act accordingly */ |
2133 | inline_speed void |
2223 | inline_speed void |
2134 | time_update (EV_P_ ev_tstamp max_block) |
2224 | time_update (EV_P_ ev_tstamp max_block) |
2135 | { |
2225 | { |
2136 | #if EV_USE_MONOTONIC |
2226 | #if EV_USE_MONOTONIC |
2137 | if (expect_true (have_monotonic)) |
2227 | if (expect_true (have_monotonic)) |
… | |
… | |
2197 | } |
2287 | } |
2198 | |
2288 | |
2199 | void |
2289 | void |
2200 | ev_loop (EV_P_ int flags) |
2290 | ev_loop (EV_P_ int flags) |
2201 | { |
2291 | { |
2202 | #if EV_MINIMAL < 2 |
2292 | #if EV_FEATURE_API |
2203 | ++loop_depth; |
2293 | ++loop_depth; |
2204 | #endif |
2294 | #endif |
2205 | |
2295 | |
2206 | assert (("libev: ev_loop recursion during release detected", loop_done != EVUNLOOP_RECURSE)); |
2296 | assert (("libev: ev_loop recursion during release detected", loop_done != EVUNLOOP_RECURSE)); |
2207 | |
2297 | |
… | |
… | |
2210 | EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */ |
2300 | EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */ |
2211 | |
2301 | |
2212 | do |
2302 | do |
2213 | { |
2303 | { |
2214 | #if EV_VERIFY >= 2 |
2304 | #if EV_VERIFY >= 2 |
2215 | ev_loop_verify (EV_A); |
2305 | ev_verify (EV_A); |
2216 | #endif |
2306 | #endif |
2217 | |
2307 | |
2218 | #ifndef _WIN32 |
2308 | #ifndef _WIN32 |
2219 | if (expect_false (curpid)) /* penalise the forking check even more */ |
2309 | if (expect_false (curpid)) /* penalise the forking check even more */ |
2220 | if (expect_false (getpid () != curpid)) |
2310 | if (expect_false (getpid () != curpid)) |
… | |
… | |
2232 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
2322 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
2233 | EV_INVOKE_PENDING; |
2323 | EV_INVOKE_PENDING; |
2234 | } |
2324 | } |
2235 | #endif |
2325 | #endif |
2236 | |
2326 | |
|
|
2327 | #if EV_PREPARE_ENABLE |
2237 | /* queue prepare watchers (and execute them) */ |
2328 | /* queue prepare watchers (and execute them) */ |
2238 | if (expect_false (preparecnt)) |
2329 | if (expect_false (preparecnt)) |
2239 | { |
2330 | { |
2240 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
2331 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
2241 | EV_INVOKE_PENDING; |
2332 | EV_INVOKE_PENDING; |
2242 | } |
2333 | } |
|
|
2334 | #endif |
2243 | |
2335 | |
2244 | if (expect_false (loop_done)) |
2336 | if (expect_false (loop_done)) |
2245 | break; |
2337 | break; |
2246 | |
2338 | |
2247 | /* we might have forked, so reify kernel state if necessary */ |
2339 | /* we might have forked, so reify kernel state if necessary */ |
… | |
… | |
2298 | waittime -= sleeptime; |
2390 | waittime -= sleeptime; |
2299 | } |
2391 | } |
2300 | } |
2392 | } |
2301 | } |
2393 | } |
2302 | |
2394 | |
2303 | #if EV_MINIMAL < 2 |
2395 | #if EV_FEATURE_API |
2304 | ++loop_count; |
2396 | ++loop_count; |
2305 | #endif |
2397 | #endif |
2306 | assert ((loop_done = EVUNLOOP_RECURSE, 1)); /* assert for side effect */ |
2398 | assert ((loop_done = EVUNLOOP_RECURSE, 1)); /* assert for side effect */ |
2307 | backend_poll (EV_A_ waittime); |
2399 | backend_poll (EV_A_ waittime); |
2308 | assert ((loop_done = EVUNLOOP_CANCEL, 1)); /* assert for side effect */ |
2400 | assert ((loop_done = EVUNLOOP_CANCEL, 1)); /* assert for side effect */ |
… | |
… | |
2320 | #if EV_IDLE_ENABLE |
2412 | #if EV_IDLE_ENABLE |
2321 | /* queue idle watchers unless other events are pending */ |
2413 | /* queue idle watchers unless other events are pending */ |
2322 | idle_reify (EV_A); |
2414 | idle_reify (EV_A); |
2323 | #endif |
2415 | #endif |
2324 | |
2416 | |
|
|
2417 | #if EV_CHECK_ENABLE |
2325 | /* queue check watchers, to be executed first */ |
2418 | /* queue check watchers, to be executed first */ |
2326 | if (expect_false (checkcnt)) |
2419 | if (expect_false (checkcnt)) |
2327 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
2420 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
|
|
2421 | #endif |
2328 | |
2422 | |
2329 | EV_INVOKE_PENDING; |
2423 | EV_INVOKE_PENDING; |
2330 | } |
2424 | } |
2331 | while (expect_true ( |
2425 | while (expect_true ( |
2332 | activecnt |
2426 | activecnt |
… | |
… | |
2335 | )); |
2429 | )); |
2336 | |
2430 | |
2337 | if (loop_done == EVUNLOOP_ONE) |
2431 | if (loop_done == EVUNLOOP_ONE) |
2338 | loop_done = EVUNLOOP_CANCEL; |
2432 | loop_done = EVUNLOOP_CANCEL; |
2339 | |
2433 | |
2340 | #if EV_MINIMAL < 2 |
2434 | #if EV_FEATURE_API |
2341 | --loop_depth; |
2435 | --loop_depth; |
2342 | #endif |
2436 | #endif |
2343 | } |
2437 | } |
2344 | |
2438 | |
2345 | void |
2439 | void |
… | |
… | |
2471 | |
2565 | |
2472 | if (expect_false (ev_is_active (w))) |
2566 | if (expect_false (ev_is_active (w))) |
2473 | return; |
2567 | return; |
2474 | |
2568 | |
2475 | assert (("libev: ev_io_start called with negative fd", fd >= 0)); |
2569 | assert (("libev: ev_io_start called with negative fd", fd >= 0)); |
2476 | assert (("libev: ev_io start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); |
2570 | assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); |
2477 | |
2571 | |
2478 | EV_FREQUENT_CHECK; |
2572 | EV_FREQUENT_CHECK; |
2479 | |
2573 | |
2480 | ev_start (EV_A_ (W)w, 1); |
2574 | ev_start (EV_A_ (W)w, 1); |
2481 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
2575 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
… | |
… | |
2551 | timers [active] = timers [timercnt + HEAP0]; |
2645 | timers [active] = timers [timercnt + HEAP0]; |
2552 | adjustheap (timers, timercnt, active); |
2646 | adjustheap (timers, timercnt, active); |
2553 | } |
2647 | } |
2554 | } |
2648 | } |
2555 | |
2649 | |
2556 | EV_FREQUENT_CHECK; |
|
|
2557 | |
|
|
2558 | ev_at (w) -= mn_now; |
2650 | ev_at (w) -= mn_now; |
2559 | |
2651 | |
2560 | ev_stop (EV_A_ (W)w); |
2652 | ev_stop (EV_A_ (W)w); |
|
|
2653 | |
|
|
2654 | EV_FREQUENT_CHECK; |
2561 | } |
2655 | } |
2562 | |
2656 | |
2563 | void noinline |
2657 | void noinline |
2564 | ev_timer_again (EV_P_ ev_timer *w) |
2658 | ev_timer_again (EV_P_ ev_timer *w) |
2565 | { |
2659 | { |
… | |
… | |
2644 | periodics [active] = periodics [periodiccnt + HEAP0]; |
2738 | periodics [active] = periodics [periodiccnt + HEAP0]; |
2645 | adjustheap (periodics, periodiccnt, active); |
2739 | adjustheap (periodics, periodiccnt, active); |
2646 | } |
2740 | } |
2647 | } |
2741 | } |
2648 | |
2742 | |
2649 | EV_FREQUENT_CHECK; |
|
|
2650 | |
|
|
2651 | ev_stop (EV_A_ (W)w); |
2743 | ev_stop (EV_A_ (W)w); |
|
|
2744 | |
|
|
2745 | EV_FREQUENT_CHECK; |
2652 | } |
2746 | } |
2653 | |
2747 | |
2654 | void noinline |
2748 | void noinline |
2655 | ev_periodic_again (EV_P_ ev_periodic *w) |
2749 | ev_periodic_again (EV_P_ ev_periodic *w) |
2656 | { |
2750 | { |
… | |
… | |
2661 | #endif |
2755 | #endif |
2662 | |
2756 | |
2663 | #ifndef SA_RESTART |
2757 | #ifndef SA_RESTART |
2664 | # define SA_RESTART 0 |
2758 | # define SA_RESTART 0 |
2665 | #endif |
2759 | #endif |
|
|
2760 | |
|
|
2761 | #if EV_SIGNAL_ENABLE |
2666 | |
2762 | |
2667 | void noinline |
2763 | void noinline |
2668 | ev_signal_start (EV_P_ ev_signal *w) |
2764 | ev_signal_start (EV_P_ ev_signal *w) |
2669 | { |
2765 | { |
2670 | if (expect_false (ev_is_active (w))) |
2766 | if (expect_false (ev_is_active (w))) |
… | |
… | |
2717 | if (!((WL)w)->next) |
2813 | if (!((WL)w)->next) |
2718 | # if EV_USE_SIGNALFD |
2814 | # if EV_USE_SIGNALFD |
2719 | if (sigfd < 0) /*TODO*/ |
2815 | if (sigfd < 0) /*TODO*/ |
2720 | # endif |
2816 | # endif |
2721 | { |
2817 | { |
2722 | # if _WIN32 |
2818 | # ifdef _WIN32 |
|
|
2819 | evpipe_init (EV_A); |
|
|
2820 | |
2723 | signal (w->signum, ev_sighandler); |
2821 | signal (w->signum, ev_sighandler); |
2724 | # else |
2822 | # else |
2725 | struct sigaction sa; |
2823 | struct sigaction sa; |
2726 | |
2824 | |
2727 | evpipe_init (EV_A); |
2825 | evpipe_init (EV_A); |
… | |
… | |
2758 | signals [w->signum - 1].loop = 0; /* unattach from signal */ |
2856 | signals [w->signum - 1].loop = 0; /* unattach from signal */ |
2759 | #endif |
2857 | #endif |
2760 | #if EV_USE_SIGNALFD |
2858 | #if EV_USE_SIGNALFD |
2761 | if (sigfd >= 0) |
2859 | if (sigfd >= 0) |
2762 | { |
2860 | { |
2763 | sigprocmask (SIG_UNBLOCK, &sigfd_set, 0);//D |
2861 | sigset_t ss; |
|
|
2862 | |
|
|
2863 | sigemptyset (&ss); |
|
|
2864 | sigaddset (&ss, w->signum); |
2764 | sigdelset (&sigfd_set, w->signum); |
2865 | sigdelset (&sigfd_set, w->signum); |
|
|
2866 | |
2765 | signalfd (sigfd, &sigfd_set, 0); |
2867 | signalfd (sigfd, &sigfd_set, 0); |
2766 | sigprocmask (SIG_BLOCK, &sigfd_set, 0);//D |
2868 | sigprocmask (SIG_UNBLOCK, &ss, 0); |
2767 | /*TODO: maybe unblock signal? */ |
|
|
2768 | } |
2869 | } |
2769 | else |
2870 | else |
2770 | #endif |
2871 | #endif |
2771 | signal (w->signum, SIG_DFL); |
2872 | signal (w->signum, SIG_DFL); |
2772 | } |
2873 | } |
2773 | |
2874 | |
2774 | EV_FREQUENT_CHECK; |
2875 | EV_FREQUENT_CHECK; |
2775 | } |
2876 | } |
2776 | |
2877 | |
|
|
2878 | #endif |
|
|
2879 | |
|
|
2880 | #if EV_CHILD_ENABLE |
|
|
2881 | |
2777 | void |
2882 | void |
2778 | ev_child_start (EV_P_ ev_child *w) |
2883 | ev_child_start (EV_P_ ev_child *w) |
2779 | { |
2884 | { |
2780 | #if EV_MULTIPLICITY |
2885 | #if EV_MULTIPLICITY |
2781 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
2886 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
… | |
… | |
2784 | return; |
2889 | return; |
2785 | |
2890 | |
2786 | EV_FREQUENT_CHECK; |
2891 | EV_FREQUENT_CHECK; |
2787 | |
2892 | |
2788 | ev_start (EV_A_ (W)w, 1); |
2893 | ev_start (EV_A_ (W)w, 1); |
2789 | wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
2894 | wlist_add (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w); |
2790 | |
2895 | |
2791 | EV_FREQUENT_CHECK; |
2896 | EV_FREQUENT_CHECK; |
2792 | } |
2897 | } |
2793 | |
2898 | |
2794 | void |
2899 | void |
… | |
… | |
2798 | if (expect_false (!ev_is_active (w))) |
2903 | if (expect_false (!ev_is_active (w))) |
2799 | return; |
2904 | return; |
2800 | |
2905 | |
2801 | EV_FREQUENT_CHECK; |
2906 | EV_FREQUENT_CHECK; |
2802 | |
2907 | |
2803 | wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
2908 | wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w); |
2804 | ev_stop (EV_A_ (W)w); |
2909 | ev_stop (EV_A_ (W)w); |
2805 | |
2910 | |
2806 | EV_FREQUENT_CHECK; |
2911 | EV_FREQUENT_CHECK; |
2807 | } |
2912 | } |
|
|
2913 | |
|
|
2914 | #endif |
2808 | |
2915 | |
2809 | #if EV_STAT_ENABLE |
2916 | #if EV_STAT_ENABLE |
2810 | |
2917 | |
2811 | # ifdef _WIN32 |
2918 | # ifdef _WIN32 |
2812 | # undef lstat |
2919 | # undef lstat |
… | |
… | |
2818 | #define MIN_STAT_INTERVAL 0.1074891 |
2925 | #define MIN_STAT_INTERVAL 0.1074891 |
2819 | |
2926 | |
2820 | static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
2927 | static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
2821 | |
2928 | |
2822 | #if EV_USE_INOTIFY |
2929 | #if EV_USE_INOTIFY |
2823 | # define EV_INOTIFY_BUFSIZE 8192 |
2930 | |
|
|
2931 | /* the * 2 is to allow for alignment padding, which for some reason is >> 8 */ |
|
|
2932 | # define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX) |
2824 | |
2933 | |
2825 | static void noinline |
2934 | static void noinline |
2826 | infy_add (EV_P_ ev_stat *w) |
2935 | infy_add (EV_P_ ev_stat *w) |
2827 | { |
2936 | { |
2828 | w->wd = inotify_add_watch (fs_fd, w->path, IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY | IN_DONT_FOLLOW | IN_MASK_ADD); |
2937 | 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); |
2829 | |
2938 | |
2830 | if (w->wd < 0) |
2939 | if (w->wd >= 0) |
|
|
2940 | { |
|
|
2941 | struct statfs sfs; |
|
|
2942 | |
|
|
2943 | /* now local changes will be tracked by inotify, but remote changes won't */ |
|
|
2944 | /* unless the filesystem is known to be local, we therefore still poll */ |
|
|
2945 | /* also do poll on <2.6.25, but with normal frequency */ |
|
|
2946 | |
|
|
2947 | if (!fs_2625) |
|
|
2948 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
|
|
2949 | else if (!statfs (w->path, &sfs) |
|
|
2950 | && (sfs.f_type == 0x1373 /* devfs */ |
|
|
2951 | || sfs.f_type == 0xEF53 /* ext2/3 */ |
|
|
2952 | || sfs.f_type == 0x3153464a /* jfs */ |
|
|
2953 | || sfs.f_type == 0x52654973 /* reiser3 */ |
|
|
2954 | || sfs.f_type == 0x01021994 /* tempfs */ |
|
|
2955 | || sfs.f_type == 0x58465342 /* xfs */)) |
|
|
2956 | w->timer.repeat = 0.; /* filesystem is local, kernel new enough */ |
|
|
2957 | else |
|
|
2958 | w->timer.repeat = w->interval ? w->interval : NFS_STAT_INTERVAL; /* remote, use reduced frequency */ |
2831 | { |
2959 | } |
|
|
2960 | else |
|
|
2961 | { |
|
|
2962 | /* can't use inotify, continue to stat */ |
2832 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
2963 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
2833 | ev_timer_again (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */ |
|
|
2834 | |
2964 | |
2835 | /* monitor some parent directory for speedup hints */ |
2965 | /* if path is not there, monitor some parent directory for speedup hints */ |
2836 | /* note that exceeding the hardcoded path limit is not a correctness issue, */ |
2966 | /* note that exceeding the hardcoded path limit is not a correctness issue, */ |
2837 | /* but an efficiency issue only */ |
2967 | /* but an efficiency issue only */ |
2838 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
2968 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
2839 | { |
2969 | { |
2840 | char path [4096]; |
2970 | char path [4096]; |
… | |
… | |
2856 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
2986 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
2857 | } |
2987 | } |
2858 | } |
2988 | } |
2859 | |
2989 | |
2860 | if (w->wd >= 0) |
2990 | if (w->wd >= 0) |
2861 | { |
|
|
2862 | wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
2991 | wlist_add (&fs_hash [w->wd & ((EV_INOTIFY_HASHSIZE) - 1)].head, (WL)w); |
2863 | |
2992 | |
2864 | /* now local changes will be tracked by inotify, but remote changes won't */ |
2993 | /* now re-arm timer, if required */ |
2865 | /* unless the filesystem it known to be local, we therefore still poll */ |
2994 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
2866 | /* also do poll on <2.6.25, but with normal frequency */ |
|
|
2867 | struct statfs sfs; |
|
|
2868 | |
|
|
2869 | if (fs_2625 && !statfs (w->path, &sfs)) |
|
|
2870 | if (sfs.f_type == 0x1373 /* devfs */ |
|
|
2871 | || sfs.f_type == 0xEF53 /* ext2/3 */ |
|
|
2872 | || sfs.f_type == 0x3153464a /* jfs */ |
|
|
2873 | || sfs.f_type == 0x52654973 /* reiser3 */ |
|
|
2874 | || sfs.f_type == 0x01021994 /* tempfs */ |
|
|
2875 | || sfs.f_type == 0x58465342 /* xfs */) |
|
|
2876 | return; |
|
|
2877 | |
|
|
2878 | w->timer.repeat = w->interval ? w->interval : fs_2625 ? NFS_STAT_INTERVAL : DEF_STAT_INTERVAL; |
|
|
2879 | ev_timer_again (EV_A_ &w->timer); |
2995 | ev_timer_again (EV_A_ &w->timer); |
2880 | } |
2996 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
2881 | } |
2997 | } |
2882 | |
2998 | |
2883 | static void noinline |
2999 | static void noinline |
2884 | infy_del (EV_P_ ev_stat *w) |
3000 | infy_del (EV_P_ ev_stat *w) |
2885 | { |
3001 | { |
… | |
… | |
2888 | |
3004 | |
2889 | if (wd < 0) |
3005 | if (wd < 0) |
2890 | return; |
3006 | return; |
2891 | |
3007 | |
2892 | w->wd = -2; |
3008 | w->wd = -2; |
2893 | slot = wd & (EV_INOTIFY_HASHSIZE - 1); |
3009 | slot = wd & ((EV_INOTIFY_HASHSIZE) - 1); |
2894 | wlist_del (&fs_hash [slot].head, (WL)w); |
3010 | wlist_del (&fs_hash [slot].head, (WL)w); |
2895 | |
3011 | |
2896 | /* remove this watcher, if others are watching it, they will rearm */ |
3012 | /* remove this watcher, if others are watching it, they will rearm */ |
2897 | inotify_rm_watch (fs_fd, wd); |
3013 | inotify_rm_watch (fs_fd, wd); |
2898 | } |
3014 | } |
… | |
… | |
2900 | static void noinline |
3016 | static void noinline |
2901 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
3017 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
2902 | { |
3018 | { |
2903 | if (slot < 0) |
3019 | if (slot < 0) |
2904 | /* overflow, need to check for all hash slots */ |
3020 | /* overflow, need to check for all hash slots */ |
2905 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
3021 | for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot) |
2906 | infy_wd (EV_A_ slot, wd, ev); |
3022 | infy_wd (EV_A_ slot, wd, ev); |
2907 | else |
3023 | else |
2908 | { |
3024 | { |
2909 | WL w_; |
3025 | WL w_; |
2910 | |
3026 | |
2911 | for (w_ = fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head; w_; ) |
3027 | for (w_ = fs_hash [slot & ((EV_INOTIFY_HASHSIZE) - 1)].head; w_; ) |
2912 | { |
3028 | { |
2913 | ev_stat *w = (ev_stat *)w_; |
3029 | ev_stat *w = (ev_stat *)w_; |
2914 | w_ = w_->next; /* lets us remove this watcher and all before it */ |
3030 | w_ = w_->next; /* lets us remove this watcher and all before it */ |
2915 | |
3031 | |
2916 | if (w->wd == wd || wd == -1) |
3032 | if (w->wd == wd || wd == -1) |
2917 | { |
3033 | { |
2918 | if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) |
3034 | if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) |
2919 | { |
3035 | { |
2920 | wlist_del (&fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
3036 | wlist_del (&fs_hash [slot & ((EV_INOTIFY_HASHSIZE) - 1)].head, (WL)w); |
2921 | w->wd = -1; |
3037 | w->wd = -1; |
2922 | infy_add (EV_A_ w); /* re-add, no matter what */ |
3038 | infy_add (EV_A_ w); /* re-add, no matter what */ |
2923 | } |
3039 | } |
2924 | |
3040 | |
2925 | stat_timer_cb (EV_A_ &w->timer, 0); |
3041 | stat_timer_cb (EV_A_ &w->timer, 0); |
… | |
… | |
2930 | |
3046 | |
2931 | static void |
3047 | static void |
2932 | infy_cb (EV_P_ ev_io *w, int revents) |
3048 | infy_cb (EV_P_ ev_io *w, int revents) |
2933 | { |
3049 | { |
2934 | char buf [EV_INOTIFY_BUFSIZE]; |
3050 | char buf [EV_INOTIFY_BUFSIZE]; |
2935 | struct inotify_event *ev = (struct inotify_event *)buf; |
|
|
2936 | int ofs; |
3051 | int ofs; |
2937 | int len = read (fs_fd, buf, sizeof (buf)); |
3052 | int len = read (fs_fd, buf, sizeof (buf)); |
2938 | |
3053 | |
2939 | for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len) |
3054 | for (ofs = 0; ofs < len; ) |
|
|
3055 | { |
|
|
3056 | struct inotify_event *ev = (struct inotify_event *)(buf + ofs); |
2940 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
3057 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
|
|
3058 | ofs += sizeof (struct inotify_event) + ev->len; |
|
|
3059 | } |
|
|
3060 | } |
|
|
3061 | |
|
|
3062 | inline_size unsigned int |
|
|
3063 | ev_linux_version (void) |
|
|
3064 | { |
|
|
3065 | struct utsname buf; |
|
|
3066 | unsigned int v; |
|
|
3067 | int i; |
|
|
3068 | char *p = buf.release; |
|
|
3069 | |
|
|
3070 | if (uname (&buf)) |
|
|
3071 | return 0; |
|
|
3072 | |
|
|
3073 | for (i = 3+1; --i; ) |
|
|
3074 | { |
|
|
3075 | unsigned int c = 0; |
|
|
3076 | |
|
|
3077 | for (;;) |
|
|
3078 | { |
|
|
3079 | if (*p >= '0' && *p <= '9') |
|
|
3080 | c = c * 10 + *p++ - '0'; |
|
|
3081 | else |
|
|
3082 | { |
|
|
3083 | p += *p == '.'; |
|
|
3084 | break; |
|
|
3085 | } |
|
|
3086 | } |
|
|
3087 | |
|
|
3088 | v = (v << 8) | c; |
|
|
3089 | } |
|
|
3090 | |
|
|
3091 | return v; |
2941 | } |
3092 | } |
2942 | |
3093 | |
2943 | inline_size void |
3094 | inline_size void |
2944 | check_2625 (EV_P) |
3095 | ev_check_2625 (EV_P) |
2945 | { |
3096 | { |
2946 | /* kernels < 2.6.25 are borked |
3097 | /* kernels < 2.6.25 are borked |
2947 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
3098 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
2948 | */ |
3099 | */ |
2949 | struct utsname buf; |
3100 | if (ev_linux_version () < 0x020619) |
2950 | int major, minor, micro; |
|
|
2951 | |
|
|
2952 | if (uname (&buf)) |
|
|
2953 | return; |
3101 | return; |
2954 | |
3102 | |
2955 | if (sscanf (buf.release, "%d.%d.%d", &major, &minor, µ) != 3) |
|
|
2956 | return; |
|
|
2957 | |
|
|
2958 | if (major < 2 |
|
|
2959 | || (major == 2 && minor < 6) |
|
|
2960 | || (major == 2 && minor == 6 && micro < 25)) |
|
|
2961 | return; |
|
|
2962 | |
|
|
2963 | fs_2625 = 1; |
3103 | fs_2625 = 1; |
|
|
3104 | } |
|
|
3105 | |
|
|
3106 | inline_size int |
|
|
3107 | infy_newfd (void) |
|
|
3108 | { |
|
|
3109 | #if defined (IN_CLOEXEC) && defined (IN_NONBLOCK) |
|
|
3110 | int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK); |
|
|
3111 | if (fd >= 0) |
|
|
3112 | return fd; |
|
|
3113 | #endif |
|
|
3114 | return inotify_init (); |
2964 | } |
3115 | } |
2965 | |
3116 | |
2966 | inline_size void |
3117 | inline_size void |
2967 | infy_init (EV_P) |
3118 | infy_init (EV_P) |
2968 | { |
3119 | { |
2969 | if (fs_fd != -2) |
3120 | if (fs_fd != -2) |
2970 | return; |
3121 | return; |
2971 | |
3122 | |
2972 | fs_fd = -1; |
3123 | fs_fd = -1; |
2973 | |
3124 | |
2974 | check_2625 (EV_A); |
3125 | ev_check_2625 (EV_A); |
2975 | |
3126 | |
2976 | fs_fd = inotify_init (); |
3127 | fs_fd = infy_newfd (); |
2977 | |
3128 | |
2978 | if (fs_fd >= 0) |
3129 | if (fs_fd >= 0) |
2979 | { |
3130 | { |
|
|
3131 | fd_intern (fs_fd); |
2980 | ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ); |
3132 | ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ); |
2981 | ev_set_priority (&fs_w, EV_MAXPRI); |
3133 | ev_set_priority (&fs_w, EV_MAXPRI); |
2982 | ev_io_start (EV_A_ &fs_w); |
3134 | ev_io_start (EV_A_ &fs_w); |
|
|
3135 | ev_unref (EV_A); |
2983 | } |
3136 | } |
2984 | } |
3137 | } |
2985 | |
3138 | |
2986 | inline_size void |
3139 | inline_size void |
2987 | infy_fork (EV_P) |
3140 | infy_fork (EV_P) |
… | |
… | |
2989 | int slot; |
3142 | int slot; |
2990 | |
3143 | |
2991 | if (fs_fd < 0) |
3144 | if (fs_fd < 0) |
2992 | return; |
3145 | return; |
2993 | |
3146 | |
|
|
3147 | ev_ref (EV_A); |
|
|
3148 | ev_io_stop (EV_A_ &fs_w); |
2994 | close (fs_fd); |
3149 | close (fs_fd); |
2995 | fs_fd = inotify_init (); |
3150 | fs_fd = infy_newfd (); |
2996 | |
3151 | |
|
|
3152 | if (fs_fd >= 0) |
|
|
3153 | { |
|
|
3154 | fd_intern (fs_fd); |
|
|
3155 | ev_io_set (&fs_w, fs_fd, EV_READ); |
|
|
3156 | ev_io_start (EV_A_ &fs_w); |
|
|
3157 | ev_unref (EV_A); |
|
|
3158 | } |
|
|
3159 | |
2997 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
3160 | for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot) |
2998 | { |
3161 | { |
2999 | WL w_ = fs_hash [slot].head; |
3162 | WL w_ = fs_hash [slot].head; |
3000 | fs_hash [slot].head = 0; |
3163 | fs_hash [slot].head = 0; |
3001 | |
3164 | |
3002 | while (w_) |
3165 | while (w_) |
… | |
… | |
3007 | w->wd = -1; |
3170 | w->wd = -1; |
3008 | |
3171 | |
3009 | if (fs_fd >= 0) |
3172 | if (fs_fd >= 0) |
3010 | infy_add (EV_A_ w); /* re-add, no matter what */ |
3173 | infy_add (EV_A_ w); /* re-add, no matter what */ |
3011 | else |
3174 | else |
|
|
3175 | { |
|
|
3176 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
|
|
3177 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
3012 | ev_timer_again (EV_A_ &w->timer); |
3178 | ev_timer_again (EV_A_ &w->timer); |
|
|
3179 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
|
|
3180 | } |
3013 | } |
3181 | } |
3014 | } |
3182 | } |
3015 | } |
3183 | } |
3016 | |
3184 | |
3017 | #endif |
3185 | #endif |
… | |
… | |
3034 | static void noinline |
3202 | static void noinline |
3035 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
3203 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
3036 | { |
3204 | { |
3037 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
3205 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
3038 | |
3206 | |
3039 | /* we copy this here each the time so that */ |
3207 | ev_statdata prev = w->attr; |
3040 | /* prev has the old value when the callback gets invoked */ |
|
|
3041 | w->prev = w->attr; |
|
|
3042 | ev_stat_stat (EV_A_ w); |
3208 | ev_stat_stat (EV_A_ w); |
3043 | |
3209 | |
3044 | /* memcmp doesn't work on netbsd, they.... do stuff to their struct stat */ |
3210 | /* memcmp doesn't work on netbsd, they.... do stuff to their struct stat */ |
3045 | if ( |
3211 | if ( |
3046 | w->prev.st_dev != w->attr.st_dev |
3212 | prev.st_dev != w->attr.st_dev |
3047 | || w->prev.st_ino != w->attr.st_ino |
3213 | || prev.st_ino != w->attr.st_ino |
3048 | || w->prev.st_mode != w->attr.st_mode |
3214 | || prev.st_mode != w->attr.st_mode |
3049 | || w->prev.st_nlink != w->attr.st_nlink |
3215 | || prev.st_nlink != w->attr.st_nlink |
3050 | || w->prev.st_uid != w->attr.st_uid |
3216 | || prev.st_uid != w->attr.st_uid |
3051 | || w->prev.st_gid != w->attr.st_gid |
3217 | || prev.st_gid != w->attr.st_gid |
3052 | || w->prev.st_rdev != w->attr.st_rdev |
3218 | || prev.st_rdev != w->attr.st_rdev |
3053 | || w->prev.st_size != w->attr.st_size |
3219 | || prev.st_size != w->attr.st_size |
3054 | || w->prev.st_atime != w->attr.st_atime |
3220 | || prev.st_atime != w->attr.st_atime |
3055 | || w->prev.st_mtime != w->attr.st_mtime |
3221 | || prev.st_mtime != w->attr.st_mtime |
3056 | || w->prev.st_ctime != w->attr.st_ctime |
3222 | || prev.st_ctime != w->attr.st_ctime |
3057 | ) { |
3223 | ) { |
|
|
3224 | /* we only update w->prev on actual differences */ |
|
|
3225 | /* in case we test more often than invoke the callback, */ |
|
|
3226 | /* to ensure that prev is always different to attr */ |
|
|
3227 | w->prev = prev; |
|
|
3228 | |
3058 | #if EV_USE_INOTIFY |
3229 | #if EV_USE_INOTIFY |
3059 | if (fs_fd >= 0) |
3230 | if (fs_fd >= 0) |
3060 | { |
3231 | { |
3061 | infy_del (EV_A_ w); |
3232 | infy_del (EV_A_ w); |
3062 | infy_add (EV_A_ w); |
3233 | infy_add (EV_A_ w); |
… | |
… | |
3087 | |
3258 | |
3088 | if (fs_fd >= 0) |
3259 | if (fs_fd >= 0) |
3089 | infy_add (EV_A_ w); |
3260 | infy_add (EV_A_ w); |
3090 | else |
3261 | else |
3091 | #endif |
3262 | #endif |
|
|
3263 | { |
3092 | ev_timer_again (EV_A_ &w->timer); |
3264 | ev_timer_again (EV_A_ &w->timer); |
|
|
3265 | ev_unref (EV_A); |
|
|
3266 | } |
3093 | |
3267 | |
3094 | ev_start (EV_A_ (W)w, 1); |
3268 | ev_start (EV_A_ (W)w, 1); |
3095 | |
3269 | |
3096 | EV_FREQUENT_CHECK; |
3270 | EV_FREQUENT_CHECK; |
3097 | } |
3271 | } |
… | |
… | |
3106 | EV_FREQUENT_CHECK; |
3280 | EV_FREQUENT_CHECK; |
3107 | |
3281 | |
3108 | #if EV_USE_INOTIFY |
3282 | #if EV_USE_INOTIFY |
3109 | infy_del (EV_A_ w); |
3283 | infy_del (EV_A_ w); |
3110 | #endif |
3284 | #endif |
|
|
3285 | |
|
|
3286 | if (ev_is_active (&w->timer)) |
|
|
3287 | { |
|
|
3288 | ev_ref (EV_A); |
3111 | ev_timer_stop (EV_A_ &w->timer); |
3289 | ev_timer_stop (EV_A_ &w->timer); |
|
|
3290 | } |
3112 | |
3291 | |
3113 | ev_stop (EV_A_ (W)w); |
3292 | ev_stop (EV_A_ (W)w); |
3114 | |
3293 | |
3115 | EV_FREQUENT_CHECK; |
3294 | EV_FREQUENT_CHECK; |
3116 | } |
3295 | } |
… | |
… | |
3161 | |
3340 | |
3162 | EV_FREQUENT_CHECK; |
3341 | EV_FREQUENT_CHECK; |
3163 | } |
3342 | } |
3164 | #endif |
3343 | #endif |
3165 | |
3344 | |
|
|
3345 | #if EV_PREPARE_ENABLE |
3166 | void |
3346 | void |
3167 | ev_prepare_start (EV_P_ ev_prepare *w) |
3347 | ev_prepare_start (EV_P_ ev_prepare *w) |
3168 | { |
3348 | { |
3169 | if (expect_false (ev_is_active (w))) |
3349 | if (expect_false (ev_is_active (w))) |
3170 | return; |
3350 | return; |
… | |
… | |
3196 | |
3376 | |
3197 | ev_stop (EV_A_ (W)w); |
3377 | ev_stop (EV_A_ (W)w); |
3198 | |
3378 | |
3199 | EV_FREQUENT_CHECK; |
3379 | EV_FREQUENT_CHECK; |
3200 | } |
3380 | } |
|
|
3381 | #endif |
3201 | |
3382 | |
|
|
3383 | #if EV_CHECK_ENABLE |
3202 | void |
3384 | void |
3203 | ev_check_start (EV_P_ ev_check *w) |
3385 | ev_check_start (EV_P_ ev_check *w) |
3204 | { |
3386 | { |
3205 | if (expect_false (ev_is_active (w))) |
3387 | if (expect_false (ev_is_active (w))) |
3206 | return; |
3388 | return; |
… | |
… | |
3232 | |
3414 | |
3233 | ev_stop (EV_A_ (W)w); |
3415 | ev_stop (EV_A_ (W)w); |
3234 | |
3416 | |
3235 | EV_FREQUENT_CHECK; |
3417 | EV_FREQUENT_CHECK; |
3236 | } |
3418 | } |
|
|
3419 | #endif |
3237 | |
3420 | |
3238 | #if EV_EMBED_ENABLE |
3421 | #if EV_EMBED_ENABLE |
3239 | void noinline |
3422 | void noinline |
3240 | ev_embed_sweep (EV_P_ ev_embed *w) |
3423 | ev_embed_sweep (EV_P_ ev_embed *w) |
3241 | { |
3424 | { |
… | |
… | |
3336 | |
3519 | |
3337 | ev_io_stop (EV_A_ &w->io); |
3520 | ev_io_stop (EV_A_ &w->io); |
3338 | ev_prepare_stop (EV_A_ &w->prepare); |
3521 | ev_prepare_stop (EV_A_ &w->prepare); |
3339 | ev_fork_stop (EV_A_ &w->fork); |
3522 | ev_fork_stop (EV_A_ &w->fork); |
3340 | |
3523 | |
|
|
3524 | ev_stop (EV_A_ (W)w); |
|
|
3525 | |
3341 | EV_FREQUENT_CHECK; |
3526 | EV_FREQUENT_CHECK; |
3342 | } |
3527 | } |
3343 | #endif |
3528 | #endif |
3344 | |
3529 | |
3345 | #if EV_FORK_ENABLE |
3530 | #if EV_FORK_ENABLE |
… | |
… | |
3471 | { |
3656 | { |
3472 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
3657 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
3473 | |
3658 | |
3474 | if (expect_false (!once)) |
3659 | if (expect_false (!once)) |
3475 | { |
3660 | { |
3476 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); |
3661 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMER, arg); |
3477 | return; |
3662 | return; |
3478 | } |
3663 | } |
3479 | |
3664 | |
3480 | once->cb = cb; |
3665 | once->cb = cb; |
3481 | once->arg = arg; |
3666 | once->arg = arg; |
… | |
… | |
3568 | if (types & EV_ASYNC) |
3753 | if (types & EV_ASYNC) |
3569 | for (i = asynccnt; i--; ) |
3754 | for (i = asynccnt; i--; ) |
3570 | cb (EV_A_ EV_ASYNC, asyncs [i]); |
3755 | cb (EV_A_ EV_ASYNC, asyncs [i]); |
3571 | #endif |
3756 | #endif |
3572 | |
3757 | |
|
|
3758 | #if EV_PREPARE_ENABLE |
3573 | if (types & EV_PREPARE) |
3759 | if (types & EV_PREPARE) |
3574 | for (i = preparecnt; i--; ) |
3760 | for (i = preparecnt; i--; ) |
3575 | #if EV_EMBED_ENABLE |
3761 | # if EV_EMBED_ENABLE |
3576 | if (ev_cb (prepares [i]) != embed_prepare_cb) |
3762 | if (ev_cb (prepares [i]) != embed_prepare_cb) |
3577 | #endif |
3763 | # endif |
3578 | cb (EV_A_ EV_PREPARE, prepares [i]); |
3764 | cb (EV_A_ EV_PREPARE, prepares [i]); |
|
|
3765 | #endif |
3579 | |
3766 | |
|
|
3767 | #if EV_CHECK_ENABLE |
3580 | if (types & EV_CHECK) |
3768 | if (types & EV_CHECK) |
3581 | for (i = checkcnt; i--; ) |
3769 | for (i = checkcnt; i--; ) |
3582 | cb (EV_A_ EV_CHECK, checks [i]); |
3770 | cb (EV_A_ EV_CHECK, checks [i]); |
|
|
3771 | #endif |
3583 | |
3772 | |
|
|
3773 | #if EV_SIGNAL_ENABLE |
3584 | if (types & EV_SIGNAL) |
3774 | if (types & EV_SIGNAL) |
3585 | for (i = 0; i < EV_NSIG - 1; ++i) |
3775 | for (i = 0; i < EV_NSIG - 1; ++i) |
3586 | for (wl = signals [i].head; wl; ) |
3776 | for (wl = signals [i].head; wl; ) |
3587 | { |
3777 | { |
3588 | wn = wl->next; |
3778 | wn = wl->next; |
3589 | cb (EV_A_ EV_SIGNAL, wl); |
3779 | cb (EV_A_ EV_SIGNAL, wl); |
3590 | wl = wn; |
3780 | wl = wn; |
3591 | } |
3781 | } |
|
|
3782 | #endif |
3592 | |
3783 | |
|
|
3784 | #if EV_CHILD_ENABLE |
3593 | if (types & EV_CHILD) |
3785 | if (types & EV_CHILD) |
3594 | for (i = EV_PID_HASHSIZE; i--; ) |
3786 | for (i = (EV_PID_HASHSIZE); i--; ) |
3595 | for (wl = childs [i]; wl; ) |
3787 | for (wl = childs [i]; wl; ) |
3596 | { |
3788 | { |
3597 | wn = wl->next; |
3789 | wn = wl->next; |
3598 | cb (EV_A_ EV_CHILD, wl); |
3790 | cb (EV_A_ EV_CHILD, wl); |
3599 | wl = wn; |
3791 | wl = wn; |
3600 | } |
3792 | } |
|
|
3793 | #endif |
3601 | /* EV_STAT 0x00001000 /* stat data changed */ |
3794 | /* EV_STAT 0x00001000 /* stat data changed */ |
3602 | /* EV_EMBED 0x00010000 /* embedded event loop needs sweep */ |
3795 | /* EV_EMBED 0x00010000 /* embedded event loop needs sweep */ |
3603 | } |
3796 | } |
3604 | #endif |
3797 | #endif |
3605 | |
3798 | |