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 |
… | |
… | |
342 | # define EV_USE_CLOCK_SYSCALL 0 |
355 | # define EV_USE_CLOCK_SYSCALL 0 |
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 */ |
|
|
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 |
347 | |
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 |
… | |
… | |
395 | # endif |
414 | # endif |
396 | # endif |
415 | # endif |
397 | # ifdef __cplusplus |
416 | # ifdef __cplusplus |
398 | extern "C" { |
417 | extern "C" { |
399 | # endif |
418 | # endif |
400 | int eventfd (unsigned int initval, int flags); |
419 | int (eventfd) (unsigned int initval, int flags); |
401 | # ifdef __cplusplus |
420 | # ifdef __cplusplus |
402 | } |
421 | } |
403 | # endif |
422 | # endif |
404 | #endif |
423 | #endif |
405 | |
424 | |
406 | #if EV_USE_SIGNALFD |
425 | #if EV_USE_SIGNALFD |
407 | # 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 |
|
|
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 |
408 | #endif |
451 | #endif |
409 | |
452 | |
410 | /**/ |
453 | /**/ |
411 | |
454 | |
412 | #if EV_VERIFY >= 3 |
455 | #if EV_VERIFY >= 3 |
413 | # define EV_FREQUENT_CHECK ev_loop_verify (EV_A) |
456 | # define EV_FREQUENT_CHECK ev_verify (EV_A) |
414 | #else |
457 | #else |
415 | # define EV_FREQUENT_CHECK do { } while (0) |
458 | # define EV_FREQUENT_CHECK do { } while (0) |
416 | #endif |
459 | #endif |
417 | |
460 | |
418 | /* |
461 | /* |
… | |
… | |
425 | */ |
468 | */ |
426 | #define TIME_EPSILON 0.0001220703125 /* 1/8192 */ |
469 | #define TIME_EPSILON 0.0001220703125 /* 1/8192 */ |
427 | |
470 | |
428 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
471 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
429 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
472 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
430 | /*#define CLEANUP_INTERVAL (MAX_BLOCKTIME * 5.) /* how often to try to free memory and re-check fds, TODO */ |
473 | |
|
|
474 | #define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } while (0) |
|
|
475 | #define EV_TS_SET(ts,t) do { ts.tv_sec = (long)t; ts.tv_nsec = (long)((t - ts.tv_sec) * 1e9); } while (0) |
431 | |
476 | |
432 | #if __GNUC__ >= 4 |
477 | #if __GNUC__ >= 4 |
433 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
478 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
434 | # define noinline __attribute__ ((noinline)) |
479 | # define noinline __attribute__ ((noinline)) |
435 | #else |
480 | #else |
… | |
… | |
442 | |
487 | |
443 | #define expect_false(expr) expect ((expr) != 0, 0) |
488 | #define expect_false(expr) expect ((expr) != 0, 0) |
444 | #define expect_true(expr) expect ((expr) != 0, 1) |
489 | #define expect_true(expr) expect ((expr) != 0, 1) |
445 | #define inline_size static inline |
490 | #define inline_size static inline |
446 | |
491 | |
447 | #if EV_MINIMAL |
492 | #if EV_FEATURE_CODE |
|
|
493 | # define inline_speed static inline |
|
|
494 | #else |
448 | # define inline_speed static noinline |
495 | # define inline_speed static noinline |
449 | #else |
|
|
450 | # define inline_speed static inline |
|
|
451 | #endif |
496 | #endif |
452 | |
497 | |
453 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
498 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
454 | |
499 | |
455 | #if EV_MINPRI == EV_MAXPRI |
500 | #if EV_MINPRI == EV_MAXPRI |
… | |
… | |
468 | #define ev_active(w) ((W)(w))->active |
513 | #define ev_active(w) ((W)(w))->active |
469 | #define ev_at(w) ((WT)(w))->at |
514 | #define ev_at(w) ((WT)(w))->at |
470 | |
515 | |
471 | #if EV_USE_REALTIME |
516 | #if EV_USE_REALTIME |
472 | /* sig_atomic_t is used to avoid per-thread variables or locking but still */ |
517 | /* sig_atomic_t is used to avoid per-thread variables or locking but still */ |
473 | /* giving it a reasonably high chance of working on typical architetcures */ |
518 | /* giving it a reasonably high chance of working on typical architectures */ |
474 | static EV_ATOMIC_T have_realtime; /* did clock_gettime (CLOCK_REALTIME) work? */ |
519 | static EV_ATOMIC_T have_realtime; /* did clock_gettime (CLOCK_REALTIME) work? */ |
475 | #endif |
520 | #endif |
476 | |
521 | |
477 | #if EV_USE_MONOTONIC |
522 | #if EV_USE_MONOTONIC |
478 | static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
523 | static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
… | |
… | |
480 | |
525 | |
481 | #ifndef EV_FD_TO_WIN32_HANDLE |
526 | #ifndef EV_FD_TO_WIN32_HANDLE |
482 | # define EV_FD_TO_WIN32_HANDLE(fd) _get_osfhandle (fd) |
527 | # define EV_FD_TO_WIN32_HANDLE(fd) _get_osfhandle (fd) |
483 | #endif |
528 | #endif |
484 | #ifndef EV_WIN32_HANDLE_TO_FD |
529 | #ifndef EV_WIN32_HANDLE_TO_FD |
485 | # define EV_WIN32_HANDLE_TO_FD(handle) _open_osfhandle (fd, 0) |
530 | # define EV_WIN32_HANDLE_TO_FD(handle) _open_osfhandle (handle, 0) |
486 | #endif |
531 | #endif |
487 | #ifndef EV_WIN32_CLOSE_FD |
532 | #ifndef EV_WIN32_CLOSE_FD |
488 | # define EV_WIN32_CLOSE_FD(fd) close (fd) |
533 | # define EV_WIN32_CLOSE_FD(fd) close (fd) |
489 | #endif |
534 | #endif |
490 | |
535 | |
491 | #ifdef _WIN32 |
536 | #ifdef _WIN32 |
492 | # include "ev_win32.c" |
537 | # include "ev_win32.c" |
493 | #endif |
538 | #endif |
494 | |
539 | |
495 | /*****************************************************************************/ |
540 | /*****************************************************************************/ |
|
|
541 | |
|
|
542 | #if EV_AVOID_STDIO |
|
|
543 | static void noinline |
|
|
544 | ev_printerr (const char *msg) |
|
|
545 | { |
|
|
546 | write (STDERR_FILENO, msg, strlen (msg)); |
|
|
547 | } |
|
|
548 | #endif |
496 | |
549 | |
497 | static void (*syserr_cb)(const char *msg); |
550 | static void (*syserr_cb)(const char *msg); |
498 | |
551 | |
499 | void |
552 | void |
500 | ev_set_syserr_cb (void (*cb)(const char *msg)) |
553 | ev_set_syserr_cb (void (*cb)(const char *msg)) |
… | |
… | |
510 | |
563 | |
511 | if (syserr_cb) |
564 | if (syserr_cb) |
512 | syserr_cb (msg); |
565 | syserr_cb (msg); |
513 | else |
566 | else |
514 | { |
567 | { |
|
|
568 | #if EV_AVOID_STDIO |
|
|
569 | const char *err = strerror (errno); |
|
|
570 | |
|
|
571 | ev_printerr (msg); |
|
|
572 | ev_printerr (": "); |
|
|
573 | ev_printerr (err); |
|
|
574 | ev_printerr ("\n"); |
|
|
575 | #else |
515 | perror (msg); |
576 | perror (msg); |
|
|
577 | #endif |
516 | abort (); |
578 | abort (); |
517 | } |
579 | } |
518 | } |
580 | } |
519 | |
581 | |
520 | static void * |
582 | static void * |
521 | ev_realloc_emul (void *ptr, long size) |
583 | ev_realloc_emul (void *ptr, long size) |
522 | { |
584 | { |
|
|
585 | #if __GLIBC__ |
|
|
586 | return realloc (ptr, size); |
|
|
587 | #else |
523 | /* some systems, notably openbsd and darwin, fail to properly |
588 | /* some systems, notably openbsd and darwin, fail to properly |
524 | * implement realloc (x, 0) (as required by both ansi c-98 and |
589 | * implement realloc (x, 0) (as required by both ansi c-89 and |
525 | * the single unix specification, so work around them here. |
590 | * the single unix specification, so work around them here. |
526 | */ |
591 | */ |
527 | |
592 | |
528 | if (size) |
593 | if (size) |
529 | return realloc (ptr, size); |
594 | return realloc (ptr, size); |
530 | |
595 | |
531 | free (ptr); |
596 | free (ptr); |
532 | return 0; |
597 | return 0; |
|
|
598 | #endif |
533 | } |
599 | } |
534 | |
600 | |
535 | static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; |
601 | static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; |
536 | |
602 | |
537 | void |
603 | void |
… | |
… | |
545 | { |
611 | { |
546 | ptr = alloc (ptr, size); |
612 | ptr = alloc (ptr, size); |
547 | |
613 | |
548 | if (!ptr && size) |
614 | if (!ptr && size) |
549 | { |
615 | { |
|
|
616 | #if EV_AVOID_STDIO |
|
|
617 | ev_printerr ("libev: memory allocation failed, aborting.\n"); |
|
|
618 | #else |
550 | fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); |
619 | fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); |
|
|
620 | #endif |
551 | abort (); |
621 | abort (); |
552 | } |
622 | } |
553 | |
623 | |
554 | return ptr; |
624 | return ptr; |
555 | } |
625 | } |
… | |
… | |
637 | |
707 | |
638 | static int ev_default_loop_ptr; |
708 | static int ev_default_loop_ptr; |
639 | |
709 | |
640 | #endif |
710 | #endif |
641 | |
711 | |
642 | #if EV_MINIMAL < 2 |
712 | #if EV_FEATURE_API |
643 | # define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A) |
713 | # define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A) |
644 | # define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A) |
714 | # define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A) |
645 | # define EV_INVOKE_PENDING invoke_cb (EV_A) |
715 | # define EV_INVOKE_PENDING invoke_cb (EV_A) |
646 | #else |
716 | #else |
647 | # define EV_RELEASE_CB (void)0 |
717 | # define EV_RELEASE_CB (void)0 |
… | |
… | |
701 | if (delay > 0.) |
771 | if (delay > 0.) |
702 | { |
772 | { |
703 | #if EV_USE_NANOSLEEP |
773 | #if EV_USE_NANOSLEEP |
704 | struct timespec ts; |
774 | struct timespec ts; |
705 | |
775 | |
706 | ts.tv_sec = (time_t)delay; |
776 | EV_TS_SET (ts, delay); |
707 | ts.tv_nsec = (long)((delay - (ev_tstamp)(ts.tv_sec)) * 1e9); |
|
|
708 | |
|
|
709 | nanosleep (&ts, 0); |
777 | nanosleep (&ts, 0); |
710 | #elif defined(_WIN32) |
778 | #elif defined(_WIN32) |
711 | Sleep ((unsigned long)(delay * 1e3)); |
779 | Sleep ((unsigned long)(delay * 1e3)); |
712 | #else |
780 | #else |
713 | struct timeval tv; |
781 | struct timeval tv; |
714 | |
782 | |
715 | tv.tv_sec = (time_t)delay; |
|
|
716 | tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); |
|
|
717 | |
|
|
718 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
783 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
719 | /* something not guaranteed by newer posix versions, but guaranteed */ |
784 | /* something not guaranteed by newer posix versions, but guaranteed */ |
720 | /* by older ones */ |
785 | /* by older ones */ |
|
|
786 | EV_TV_SET (tv, delay); |
721 | select (0, 0, 0, 0, &tv); |
787 | select (0, 0, 0, 0, &tv); |
722 | #endif |
788 | #endif |
723 | } |
789 | } |
724 | } |
790 | } |
725 | |
791 | |
726 | /*****************************************************************************/ |
792 | /*****************************************************************************/ |
727 | |
793 | |
728 | #define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */ |
794 | #define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */ |
729 | |
795 | |
730 | /* find a suitable new size for the given array, */ |
796 | /* find a suitable new size for the given array, */ |
731 | /* hopefully by rounding to a ncie-to-malloc size */ |
797 | /* hopefully by rounding to a nice-to-malloc size */ |
732 | inline_size int |
798 | inline_size int |
733 | array_nextsize (int elem, int cur, int cnt) |
799 | array_nextsize (int elem, int cur, int cnt) |
734 | { |
800 | { |
735 | int ncur = cur + 1; |
801 | int ncur = cur + 1; |
736 | |
802 | |
… | |
… | |
832 | } |
898 | } |
833 | |
899 | |
834 | /*****************************************************************************/ |
900 | /*****************************************************************************/ |
835 | |
901 | |
836 | inline_speed void |
902 | inline_speed void |
837 | fd_event_nc (EV_P_ int fd, int revents) |
903 | fd_event_nocheck (EV_P_ int fd, int revents) |
838 | { |
904 | { |
839 | ANFD *anfd = anfds + fd; |
905 | ANFD *anfd = anfds + fd; |
840 | ev_io *w; |
906 | ev_io *w; |
841 | |
907 | |
842 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
908 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
… | |
… | |
854 | fd_event (EV_P_ int fd, int revents) |
920 | fd_event (EV_P_ int fd, int revents) |
855 | { |
921 | { |
856 | ANFD *anfd = anfds + fd; |
922 | ANFD *anfd = anfds + fd; |
857 | |
923 | |
858 | if (expect_true (!anfd->reify)) |
924 | if (expect_true (!anfd->reify)) |
859 | fd_event_nc (EV_A_ fd, revents); |
925 | fd_event_nocheck (EV_A_ fd, revents); |
860 | } |
926 | } |
861 | |
927 | |
862 | void |
928 | void |
863 | ev_feed_fd_event (EV_P_ int fd, int revents) |
929 | ev_feed_fd_event (EV_P_ int fd, int revents) |
864 | { |
930 | { |
865 | if (fd >= 0 && fd < anfdmax) |
931 | if (fd >= 0 && fd < anfdmax) |
866 | fd_event_nc (EV_A_ fd, revents); |
932 | fd_event_nocheck (EV_A_ fd, revents); |
867 | } |
933 | } |
868 | |
934 | |
869 | /* make sure the external fd watch events are in-sync */ |
935 | /* make sure the external fd watch events are in-sync */ |
870 | /* with the kernel/libev internal state */ |
936 | /* with the kernel/libev internal state */ |
871 | inline_size void |
937 | inline_size void |
… | |
… | |
877 | { |
943 | { |
878 | int fd = fdchanges [i]; |
944 | int fd = fdchanges [i]; |
879 | ANFD *anfd = anfds + fd; |
945 | ANFD *anfd = anfds + fd; |
880 | ev_io *w; |
946 | ev_io *w; |
881 | |
947 | |
882 | unsigned char events = 0; |
948 | unsigned char o_events = anfd->events; |
|
|
949 | unsigned char o_reify = anfd->reify; |
883 | |
950 | |
884 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
951 | anfd->reify = 0; |
885 | events |= (unsigned char)w->events; |
|
|
886 | |
952 | |
887 | #if EV_SELECT_IS_WINSOCKET |
953 | #if EV_SELECT_IS_WINSOCKET |
888 | if (events) |
954 | if (o_reify & EV__IOFDSET) |
889 | { |
955 | { |
890 | unsigned long arg; |
956 | unsigned long arg; |
891 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
957 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
892 | assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); |
958 | assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); |
893 | } |
959 | } |
894 | #endif |
960 | #endif |
895 | |
961 | |
|
|
962 | /*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */ |
896 | { |
963 | { |
897 | unsigned char o_events = anfd->events; |
|
|
898 | unsigned char o_reify = anfd->reify; |
|
|
899 | |
|
|
900 | anfd->reify = 0; |
|
|
901 | anfd->events = events; |
964 | anfd->events = 0; |
902 | |
965 | |
903 | if (o_events != events || o_reify & EV__IOFDSET) |
966 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
|
|
967 | anfd->events |= (unsigned char)w->events; |
|
|
968 | |
|
|
969 | if (o_events != anfd->events) |
|
|
970 | o_reify = EV__IOFDSET; /* actually |= */ |
|
|
971 | } |
|
|
972 | |
|
|
973 | if (o_reify & EV__IOFDSET) |
904 | backend_modify (EV_A_ fd, o_events, events); |
974 | backend_modify (EV_A_ fd, o_events, anfd->events); |
905 | } |
|
|
906 | } |
975 | } |
907 | |
976 | |
908 | fdchangecnt = 0; |
977 | fdchangecnt = 0; |
909 | } |
978 | } |
910 | |
979 | |
… | |
… | |
934 | ev_io_stop (EV_A_ w); |
1003 | ev_io_stop (EV_A_ w); |
935 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
1004 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
936 | } |
1005 | } |
937 | } |
1006 | } |
938 | |
1007 | |
939 | /* check whether the given fd is atcually valid, for error recovery */ |
1008 | /* check whether the given fd is actually valid, for error recovery */ |
940 | inline_size int |
1009 | inline_size int |
941 | fd_valid (int fd) |
1010 | fd_valid (int fd) |
942 | { |
1011 | { |
943 | #ifdef _WIN32 |
1012 | #ifdef _WIN32 |
944 | return _get_osfhandle (fd) != -1; |
1013 | return EV_FD_TO_WIN32_HANDLE (fd) != -1; |
945 | #else |
1014 | #else |
946 | return fcntl (fd, F_GETFD) != -1; |
1015 | return fcntl (fd, F_GETFD) != -1; |
947 | #endif |
1016 | #endif |
948 | } |
1017 | } |
949 | |
1018 | |
… | |
… | |
986 | anfds [fd].emask = 0; |
1055 | anfds [fd].emask = 0; |
987 | fd_change (EV_A_ fd, EV__IOFDSET | EV_ANFD_REIFY); |
1056 | fd_change (EV_A_ fd, EV__IOFDSET | EV_ANFD_REIFY); |
988 | } |
1057 | } |
989 | } |
1058 | } |
990 | |
1059 | |
|
|
1060 | /* used to prepare libev internal fd's */ |
|
|
1061 | /* this is not fork-safe */ |
|
|
1062 | inline_speed void |
|
|
1063 | fd_intern (int fd) |
|
|
1064 | { |
|
|
1065 | #ifdef _WIN32 |
|
|
1066 | unsigned long arg = 1; |
|
|
1067 | ioctlsocket (EV_FD_TO_WIN32_HANDLE (fd), FIONBIO, &arg); |
|
|
1068 | #else |
|
|
1069 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
|
|
1070 | fcntl (fd, F_SETFL, O_NONBLOCK); |
|
|
1071 | #endif |
|
|
1072 | } |
|
|
1073 | |
991 | /*****************************************************************************/ |
1074 | /*****************************************************************************/ |
992 | |
1075 | |
993 | /* |
1076 | /* |
994 | * the heap functions want a real array index. array index 0 uis guaranteed to not |
1077 | * the heap functions want a real array index. array index 0 is guaranteed to not |
995 | * be in-use at any time. the first heap entry is at array [HEAP0]. DHEAP gives |
1078 | * be in-use at any time. the first heap entry is at array [HEAP0]. DHEAP gives |
996 | * the branching factor of the d-tree. |
1079 | * the branching factor of the d-tree. |
997 | */ |
1080 | */ |
998 | |
1081 | |
999 | /* |
1082 | /* |
… | |
… | |
1147 | |
1230 | |
1148 | static ANSIG signals [EV_NSIG - 1]; |
1231 | static ANSIG signals [EV_NSIG - 1]; |
1149 | |
1232 | |
1150 | /*****************************************************************************/ |
1233 | /*****************************************************************************/ |
1151 | |
1234 | |
1152 | /* used to prepare libev internal fd's */ |
1235 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
1153 | /* this is not fork-safe */ |
|
|
1154 | inline_speed void |
|
|
1155 | fd_intern (int fd) |
|
|
1156 | { |
|
|
1157 | #ifdef _WIN32 |
|
|
1158 | unsigned long arg = 1; |
|
|
1159 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
|
|
1160 | #else |
|
|
1161 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
|
|
1162 | fcntl (fd, F_SETFL, O_NONBLOCK); |
|
|
1163 | #endif |
|
|
1164 | } |
|
|
1165 | |
1236 | |
1166 | static void noinline |
1237 | static void noinline |
1167 | evpipe_init (EV_P) |
1238 | evpipe_init (EV_P) |
1168 | { |
1239 | { |
1169 | if (!ev_is_active (&pipe_w)) |
1240 | if (!ev_is_active (&pipe_w)) |
1170 | { |
1241 | { |
1171 | #if EV_USE_EVENTFD |
1242 | # if EV_USE_EVENTFD |
1172 | evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC); |
1243 | evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC); |
1173 | if (evfd < 0 && errno == EINVAL) |
1244 | if (evfd < 0 && errno == EINVAL) |
1174 | evfd = eventfd (0, 0); |
1245 | evfd = eventfd (0, 0); |
1175 | |
1246 | |
1176 | if (evfd >= 0) |
1247 | if (evfd >= 0) |
… | |
… | |
1178 | evpipe [0] = -1; |
1249 | evpipe [0] = -1; |
1179 | fd_intern (evfd); /* doing it twice doesn't hurt */ |
1250 | fd_intern (evfd); /* doing it twice doesn't hurt */ |
1180 | ev_io_set (&pipe_w, evfd, EV_READ); |
1251 | ev_io_set (&pipe_w, evfd, EV_READ); |
1181 | } |
1252 | } |
1182 | else |
1253 | else |
1183 | #endif |
1254 | # endif |
1184 | { |
1255 | { |
1185 | while (pipe (evpipe)) |
1256 | while (pipe (evpipe)) |
1186 | ev_syserr ("(libev) error creating signal/async pipe"); |
1257 | ev_syserr ("(libev) error creating signal/async pipe"); |
1187 | |
1258 | |
1188 | fd_intern (evpipe [0]); |
1259 | fd_intern (evpipe [0]); |
… | |
… | |
1199 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
1270 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
1200 | { |
1271 | { |
1201 | if (!*flag) |
1272 | if (!*flag) |
1202 | { |
1273 | { |
1203 | int old_errno = errno; /* save errno because write might clobber it */ |
1274 | int old_errno = errno; /* save errno because write might clobber it */ |
|
|
1275 | char dummy; |
1204 | |
1276 | |
1205 | *flag = 1; |
1277 | *flag = 1; |
1206 | |
1278 | |
1207 | #if EV_USE_EVENTFD |
1279 | #if EV_USE_EVENTFD |
1208 | if (evfd >= 0) |
1280 | if (evfd >= 0) |
… | |
… | |
1210 | uint64_t counter = 1; |
1282 | uint64_t counter = 1; |
1211 | write (evfd, &counter, sizeof (uint64_t)); |
1283 | write (evfd, &counter, sizeof (uint64_t)); |
1212 | } |
1284 | } |
1213 | else |
1285 | else |
1214 | #endif |
1286 | #endif |
|
|
1287 | /* win32 people keep sending patches that change this write() to send() */ |
|
|
1288 | /* and then run away. but send() is wrong, it wants a socket handle on win32 */ |
|
|
1289 | /* so when you think this write should be a send instead, please find out */ |
|
|
1290 | /* where your send() is from - it's definitely not the microsoft send, and */ |
|
|
1291 | /* tell me. thank you. */ |
1215 | write (evpipe [1], &old_errno, 1); |
1292 | write (evpipe [1], &dummy, 1); |
1216 | |
1293 | |
1217 | errno = old_errno; |
1294 | errno = old_errno; |
1218 | } |
1295 | } |
1219 | } |
1296 | } |
1220 | |
1297 | |
… | |
… | |
1233 | } |
1310 | } |
1234 | else |
1311 | else |
1235 | #endif |
1312 | #endif |
1236 | { |
1313 | { |
1237 | char dummy; |
1314 | char dummy; |
|
|
1315 | /* see discussion in evpipe_write when you think this read should be recv in win32 */ |
1238 | read (evpipe [0], &dummy, 1); |
1316 | read (evpipe [0], &dummy, 1); |
1239 | } |
1317 | } |
1240 | |
1318 | |
1241 | if (sig_pending) |
1319 | if (sig_pending) |
1242 | { |
1320 | { |
… | |
… | |
1269 | { |
1347 | { |
1270 | #if EV_MULTIPLICITY |
1348 | #if EV_MULTIPLICITY |
1271 | EV_P = signals [signum - 1].loop; |
1349 | EV_P = signals [signum - 1].loop; |
1272 | #endif |
1350 | #endif |
1273 | |
1351 | |
1274 | #if _WIN32 |
1352 | #ifdef _WIN32 |
1275 | signal (signum, ev_sighandler); |
1353 | signal (signum, ev_sighandler); |
1276 | #endif |
1354 | #endif |
1277 | |
1355 | |
1278 | signals [signum - 1].pending = 1; |
1356 | signals [signum - 1].pending = 1; |
1279 | evpipe_write (EV_A_ &sig_pending); |
1357 | evpipe_write (EV_A_ &sig_pending); |
… | |
… | |
1321 | break; |
1399 | break; |
1322 | } |
1400 | } |
1323 | } |
1401 | } |
1324 | #endif |
1402 | #endif |
1325 | |
1403 | |
|
|
1404 | #endif |
|
|
1405 | |
1326 | /*****************************************************************************/ |
1406 | /*****************************************************************************/ |
1327 | |
1407 | |
|
|
1408 | #if EV_CHILD_ENABLE |
1328 | static WL childs [EV_PID_HASHSIZE]; |
1409 | static WL childs [EV_PID_HASHSIZE]; |
1329 | |
|
|
1330 | #ifndef _WIN32 |
|
|
1331 | |
1410 | |
1332 | static ev_signal childev; |
1411 | static ev_signal childev; |
1333 | |
1412 | |
1334 | #ifndef WIFCONTINUED |
1413 | #ifndef WIFCONTINUED |
1335 | # define WIFCONTINUED(status) 0 |
1414 | # define WIFCONTINUED(status) 0 |
… | |
… | |
1340 | child_reap (EV_P_ int chain, int pid, int status) |
1419 | child_reap (EV_P_ int chain, int pid, int status) |
1341 | { |
1420 | { |
1342 | ev_child *w; |
1421 | ev_child *w; |
1343 | int traced = WIFSTOPPED (status) || WIFCONTINUED (status); |
1422 | int traced = WIFSTOPPED (status) || WIFCONTINUED (status); |
1344 | |
1423 | |
1345 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
1424 | for (w = (ev_child *)childs [chain & ((EV_PID_HASHSIZE) - 1)]; w; w = (ev_child *)((WL)w)->next) |
1346 | { |
1425 | { |
1347 | if ((w->pid == pid || !w->pid) |
1426 | if ((w->pid == pid || !w->pid) |
1348 | && (!traced || (w->flags & 1))) |
1427 | && (!traced || (w->flags & 1))) |
1349 | { |
1428 | { |
1350 | ev_set_priority (w, EV_MAXPRI); /* need to do it *now*, this *must* be the same prio as the signal watcher itself */ |
1429 | ev_set_priority (w, EV_MAXPRI); /* need to do it *now*, this *must* be the same prio as the signal watcher itself */ |
… | |
… | |
1375 | /* make sure we are called again until all children have been reaped */ |
1454 | /* make sure we are called again until all children have been reaped */ |
1376 | /* we need to do it this way so that the callback gets called before we continue */ |
1455 | /* we need to do it this way so that the callback gets called before we continue */ |
1377 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
1456 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
1378 | |
1457 | |
1379 | child_reap (EV_A_ pid, pid, status); |
1458 | child_reap (EV_A_ pid, pid, status); |
1380 | if (EV_PID_HASHSIZE > 1) |
1459 | if ((EV_PID_HASHSIZE) > 1) |
1381 | child_reap (EV_A_ 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
1460 | child_reap (EV_A_ 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
1382 | } |
1461 | } |
1383 | |
1462 | |
1384 | #endif |
1463 | #endif |
1385 | |
1464 | |
… | |
… | |
1452 | #ifdef __APPLE__ |
1531 | #ifdef __APPLE__ |
1453 | /* only select works correctly on that "unix-certified" platform */ |
1532 | /* only select works correctly on that "unix-certified" platform */ |
1454 | flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */ |
1533 | flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */ |
1455 | flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */ |
1534 | flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */ |
1456 | #endif |
1535 | #endif |
|
|
1536 | #ifdef __FreeBSD__ |
|
|
1537 | flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */ |
|
|
1538 | #endif |
1457 | |
1539 | |
1458 | return flags; |
1540 | return flags; |
1459 | } |
1541 | } |
1460 | |
1542 | |
1461 | unsigned int |
1543 | unsigned int |
… | |
… | |
1474 | ev_backend (EV_P) |
1556 | ev_backend (EV_P) |
1475 | { |
1557 | { |
1476 | return backend; |
1558 | return backend; |
1477 | } |
1559 | } |
1478 | |
1560 | |
1479 | #if EV_MINIMAL < 2 |
1561 | #if EV_FEATURE_API |
1480 | unsigned int |
1562 | unsigned int |
1481 | ev_loop_count (EV_P) |
1563 | ev_iteration (EV_P) |
1482 | { |
1564 | { |
1483 | return loop_count; |
1565 | return loop_count; |
1484 | } |
1566 | } |
1485 | |
1567 | |
1486 | unsigned int |
1568 | unsigned int |
1487 | ev_loop_depth (EV_P) |
1569 | ev_depth (EV_P) |
1488 | { |
1570 | { |
1489 | return loop_depth; |
1571 | return loop_depth; |
1490 | } |
1572 | } |
1491 | |
1573 | |
1492 | void |
1574 | void |
… | |
… | |
1564 | |
1646 | |
1565 | ev_rt_now = ev_time (); |
1647 | ev_rt_now = ev_time (); |
1566 | mn_now = get_clock (); |
1648 | mn_now = get_clock (); |
1567 | now_floor = mn_now; |
1649 | now_floor = mn_now; |
1568 | rtmn_diff = ev_rt_now - mn_now; |
1650 | rtmn_diff = ev_rt_now - mn_now; |
1569 | #if EV_MINIMAL < 2 |
1651 | #if EV_FEATURE_API |
1570 | invoke_cb = ev_invoke_pending; |
1652 | invoke_cb = ev_invoke_pending; |
1571 | #endif |
1653 | #endif |
1572 | |
1654 | |
1573 | io_blocktime = 0.; |
1655 | io_blocktime = 0.; |
1574 | timeout_blocktime = 0.; |
1656 | timeout_blocktime = 0.; |
… | |
… | |
1580 | #endif |
1662 | #endif |
1581 | #if EV_USE_INOTIFY |
1663 | #if EV_USE_INOTIFY |
1582 | fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2; |
1664 | fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2; |
1583 | #endif |
1665 | #endif |
1584 | #if EV_USE_SIGNALFD |
1666 | #if EV_USE_SIGNALFD |
1585 | sigfd = flags & EVFLAG_NOSIGFD ? -1 : -2; |
1667 | sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1; |
1586 | #endif |
1668 | #endif |
1587 | |
1669 | |
1588 | if (!(flags & 0x0000ffffU)) |
1670 | if (!(flags & 0x0000ffffU)) |
1589 | flags |= ev_recommended_backends (); |
1671 | flags |= ev_recommended_backends (); |
1590 | |
1672 | |
… | |
… | |
1604 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
1686 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
1605 | #endif |
1687 | #endif |
1606 | |
1688 | |
1607 | ev_prepare_init (&pending_w, pendingcb); |
1689 | ev_prepare_init (&pending_w, pendingcb); |
1608 | |
1690 | |
|
|
1691 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
1609 | ev_init (&pipe_w, pipecb); |
1692 | ev_init (&pipe_w, pipecb); |
1610 | ev_set_priority (&pipe_w, EV_MAXPRI); |
1693 | ev_set_priority (&pipe_w, EV_MAXPRI); |
|
|
1694 | #endif |
1611 | } |
1695 | } |
1612 | } |
1696 | } |
1613 | |
1697 | |
1614 | /* free up a loop structure */ |
1698 | /* free up a loop structure */ |
1615 | static void noinline |
1699 | static void noinline |
… | |
… | |
1634 | } |
1718 | } |
1635 | } |
1719 | } |
1636 | |
1720 | |
1637 | #if EV_USE_SIGNALFD |
1721 | #if EV_USE_SIGNALFD |
1638 | if (ev_is_active (&sigfd_w)) |
1722 | if (ev_is_active (&sigfd_w)) |
1639 | { |
|
|
1640 | /*ev_ref (EV_A);*/ |
|
|
1641 | /*ev_io_stop (EV_A_ &sigfd_w);*/ |
|
|
1642 | |
|
|
1643 | close (sigfd); |
1723 | close (sigfd); |
1644 | } |
|
|
1645 | #endif |
1724 | #endif |
1646 | |
1725 | |
1647 | #if EV_USE_INOTIFY |
1726 | #if EV_USE_INOTIFY |
1648 | if (fs_fd >= 0) |
1727 | if (fs_fd >= 0) |
1649 | close (fs_fd); |
1728 | close (fs_fd); |
… | |
… | |
1738 | { |
1817 | { |
1739 | EV_WIN32_CLOSE_FD (evpipe [0]); |
1818 | EV_WIN32_CLOSE_FD (evpipe [0]); |
1740 | EV_WIN32_CLOSE_FD (evpipe [1]); |
1819 | EV_WIN32_CLOSE_FD (evpipe [1]); |
1741 | } |
1820 | } |
1742 | |
1821 | |
|
|
1822 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
1743 | evpipe_init (EV_A); |
1823 | evpipe_init (EV_A); |
1744 | /* now iterate over everything, in case we missed something */ |
1824 | /* now iterate over everything, in case we missed something */ |
1745 | pipecb (EV_A_ &pipe_w, EV_READ); |
1825 | pipecb (EV_A_ &pipe_w, EV_READ); |
|
|
1826 | #endif |
1746 | } |
1827 | } |
1747 | |
1828 | |
1748 | postfork = 0; |
1829 | postfork = 0; |
1749 | } |
1830 | } |
1750 | |
1831 | |
… | |
… | |
1812 | verify_watcher (EV_A_ ws [cnt]); |
1893 | verify_watcher (EV_A_ ws [cnt]); |
1813 | } |
1894 | } |
1814 | } |
1895 | } |
1815 | #endif |
1896 | #endif |
1816 | |
1897 | |
1817 | #if EV_MINIMAL < 2 |
1898 | #if EV_FEATURE_API |
1818 | void |
1899 | void |
1819 | ev_loop_verify (EV_P) |
1900 | ev_verify (EV_P) |
1820 | { |
1901 | { |
1821 | #if EV_VERIFY |
1902 | #if EV_VERIFY |
1822 | int i; |
1903 | int i; |
1823 | WL w; |
1904 | WL w; |
1824 | |
1905 | |
… | |
… | |
1863 | #if EV_ASYNC_ENABLE |
1944 | #if EV_ASYNC_ENABLE |
1864 | assert (asyncmax >= asynccnt); |
1945 | assert (asyncmax >= asynccnt); |
1865 | array_verify (EV_A_ (W *)asyncs, asynccnt); |
1946 | array_verify (EV_A_ (W *)asyncs, asynccnt); |
1866 | #endif |
1947 | #endif |
1867 | |
1948 | |
|
|
1949 | #if EV_PREPARE_ENABLE |
1868 | assert (preparemax >= preparecnt); |
1950 | assert (preparemax >= preparecnt); |
1869 | array_verify (EV_A_ (W *)prepares, preparecnt); |
1951 | array_verify (EV_A_ (W *)prepares, preparecnt); |
|
|
1952 | #endif |
1870 | |
1953 | |
|
|
1954 | #if EV_CHECK_ENABLE |
1871 | assert (checkmax >= checkcnt); |
1955 | assert (checkmax >= checkcnt); |
1872 | array_verify (EV_A_ (W *)checks, checkcnt); |
1956 | array_verify (EV_A_ (W *)checks, checkcnt); |
|
|
1957 | #endif |
1873 | |
1958 | |
1874 | # if 0 |
1959 | # if 0 |
|
|
1960 | #if EV_CHILD_ENABLE |
1875 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
1961 | for (w = (ev_child *)childs [chain & ((EV_PID_HASHSIZE) - 1)]; w; w = (ev_child *)((WL)w)->next) |
1876 | for (signum = EV_NSIG; signum--; ) if (signals [signum].pending) |
1962 | for (signum = EV_NSIG; signum--; ) if (signals [signum].pending) |
|
|
1963 | #endif |
1877 | # endif |
1964 | # endif |
1878 | #endif |
1965 | #endif |
1879 | } |
1966 | } |
1880 | #endif |
1967 | #endif |
1881 | |
1968 | |
… | |
… | |
1897 | |
1984 | |
1898 | loop_init (EV_A_ flags); |
1985 | loop_init (EV_A_ flags); |
1899 | |
1986 | |
1900 | if (ev_backend (EV_A)) |
1987 | if (ev_backend (EV_A)) |
1901 | { |
1988 | { |
1902 | #ifndef _WIN32 |
1989 | #if EV_CHILD_ENABLE |
1903 | ev_signal_init (&childev, childcb, SIGCHLD); |
1990 | ev_signal_init (&childev, childcb, SIGCHLD); |
1904 | ev_set_priority (&childev, EV_MAXPRI); |
1991 | ev_set_priority (&childev, EV_MAXPRI); |
1905 | ev_signal_start (EV_A_ &childev); |
1992 | ev_signal_start (EV_A_ &childev); |
1906 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
1993 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
1907 | #endif |
1994 | #endif |
… | |
… | |
1920 | EV_P = ev_default_loop_ptr; |
2007 | EV_P = ev_default_loop_ptr; |
1921 | #endif |
2008 | #endif |
1922 | |
2009 | |
1923 | ev_default_loop_ptr = 0; |
2010 | ev_default_loop_ptr = 0; |
1924 | |
2011 | |
1925 | #ifndef _WIN32 |
2012 | #if EV_CHILD_ENABLE |
1926 | ev_ref (EV_A); /* child watcher */ |
2013 | ev_ref (EV_A); /* child watcher */ |
1927 | ev_signal_stop (EV_A_ &childev); |
2014 | ev_signal_stop (EV_A_ &childev); |
1928 | #endif |
2015 | #endif |
1929 | |
2016 | |
1930 | loop_destroy (EV_A); |
2017 | loop_destroy (EV_A); |
… | |
… | |
2036 | EV_FREQUENT_CHECK; |
2123 | EV_FREQUENT_CHECK; |
2037 | feed_reverse (EV_A_ (W)w); |
2124 | feed_reverse (EV_A_ (W)w); |
2038 | } |
2125 | } |
2039 | while (timercnt && ANHE_at (timers [HEAP0]) < mn_now); |
2126 | while (timercnt && ANHE_at (timers [HEAP0]) < mn_now); |
2040 | |
2127 | |
2041 | feed_reverse_done (EV_A_ EV_TIMEOUT); |
2128 | feed_reverse_done (EV_A_ EV_TIMER); |
2042 | } |
2129 | } |
2043 | } |
2130 | } |
2044 | |
2131 | |
2045 | #if EV_PERIODIC_ENABLE |
2132 | #if EV_PERIODIC_ENABLE |
2046 | /* make periodics pending */ |
2133 | /* make periodics pending */ |
… | |
… | |
2099 | feed_reverse_done (EV_A_ EV_PERIODIC); |
2186 | feed_reverse_done (EV_A_ EV_PERIODIC); |
2100 | } |
2187 | } |
2101 | } |
2188 | } |
2102 | |
2189 | |
2103 | /* simply recalculate all periodics */ |
2190 | /* simply recalculate all periodics */ |
2104 | /* TODO: maybe ensure that at leats one event happens when jumping forward? */ |
2191 | /* TODO: maybe ensure that at least one event happens when jumping forward? */ |
2105 | static void noinline |
2192 | static void noinline |
2106 | periodics_reschedule (EV_P) |
2193 | periodics_reschedule (EV_P) |
2107 | { |
2194 | { |
2108 | int i; |
2195 | int i; |
2109 | |
2196 | |
… | |
… | |
2137 | ANHE_at_cache (*he); |
2224 | ANHE_at_cache (*he); |
2138 | } |
2225 | } |
2139 | } |
2226 | } |
2140 | |
2227 | |
2141 | /* fetch new monotonic and realtime times from the kernel */ |
2228 | /* fetch new monotonic and realtime times from the kernel */ |
2142 | /* also detetc if there was a timejump, and act accordingly */ |
2229 | /* also detect if there was a timejump, and act accordingly */ |
2143 | inline_speed void |
2230 | inline_speed void |
2144 | time_update (EV_P_ ev_tstamp max_block) |
2231 | time_update (EV_P_ ev_tstamp max_block) |
2145 | { |
2232 | { |
2146 | #if EV_USE_MONOTONIC |
2233 | #if EV_USE_MONOTONIC |
2147 | if (expect_true (have_monotonic)) |
2234 | if (expect_true (have_monotonic)) |
… | |
… | |
2207 | } |
2294 | } |
2208 | |
2295 | |
2209 | void |
2296 | void |
2210 | ev_loop (EV_P_ int flags) |
2297 | ev_loop (EV_P_ int flags) |
2211 | { |
2298 | { |
2212 | #if EV_MINIMAL < 2 |
2299 | #if EV_FEATURE_API |
2213 | ++loop_depth; |
2300 | ++loop_depth; |
2214 | #endif |
2301 | #endif |
2215 | |
2302 | |
2216 | assert (("libev: ev_loop recursion during release detected", loop_done != EVUNLOOP_RECURSE)); |
2303 | assert (("libev: ev_loop recursion during release detected", loop_done != EVUNLOOP_RECURSE)); |
2217 | |
2304 | |
… | |
… | |
2220 | EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */ |
2307 | EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */ |
2221 | |
2308 | |
2222 | do |
2309 | do |
2223 | { |
2310 | { |
2224 | #if EV_VERIFY >= 2 |
2311 | #if EV_VERIFY >= 2 |
2225 | ev_loop_verify (EV_A); |
2312 | ev_verify (EV_A); |
2226 | #endif |
2313 | #endif |
2227 | |
2314 | |
2228 | #ifndef _WIN32 |
2315 | #ifndef _WIN32 |
2229 | if (expect_false (curpid)) /* penalise the forking check even more */ |
2316 | if (expect_false (curpid)) /* penalise the forking check even more */ |
2230 | if (expect_false (getpid () != curpid)) |
2317 | if (expect_false (getpid () != curpid)) |
… | |
… | |
2242 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
2329 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
2243 | EV_INVOKE_PENDING; |
2330 | EV_INVOKE_PENDING; |
2244 | } |
2331 | } |
2245 | #endif |
2332 | #endif |
2246 | |
2333 | |
|
|
2334 | #if EV_PREPARE_ENABLE |
2247 | /* queue prepare watchers (and execute them) */ |
2335 | /* queue prepare watchers (and execute them) */ |
2248 | if (expect_false (preparecnt)) |
2336 | if (expect_false (preparecnt)) |
2249 | { |
2337 | { |
2250 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
2338 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
2251 | EV_INVOKE_PENDING; |
2339 | EV_INVOKE_PENDING; |
2252 | } |
2340 | } |
|
|
2341 | #endif |
2253 | |
2342 | |
2254 | if (expect_false (loop_done)) |
2343 | if (expect_false (loop_done)) |
2255 | break; |
2344 | break; |
2256 | |
2345 | |
2257 | /* we might have forked, so reify kernel state if necessary */ |
2346 | /* we might have forked, so reify kernel state if necessary */ |
… | |
… | |
2308 | waittime -= sleeptime; |
2397 | waittime -= sleeptime; |
2309 | } |
2398 | } |
2310 | } |
2399 | } |
2311 | } |
2400 | } |
2312 | |
2401 | |
2313 | #if EV_MINIMAL < 2 |
2402 | #if EV_FEATURE_API |
2314 | ++loop_count; |
2403 | ++loop_count; |
2315 | #endif |
2404 | #endif |
2316 | assert ((loop_done = EVUNLOOP_RECURSE, 1)); /* assert for side effect */ |
2405 | assert ((loop_done = EVUNLOOP_RECURSE, 1)); /* assert for side effect */ |
2317 | backend_poll (EV_A_ waittime); |
2406 | backend_poll (EV_A_ waittime); |
2318 | assert ((loop_done = EVUNLOOP_CANCEL, 1)); /* assert for side effect */ |
2407 | assert ((loop_done = EVUNLOOP_CANCEL, 1)); /* assert for side effect */ |
… | |
… | |
2330 | #if EV_IDLE_ENABLE |
2419 | #if EV_IDLE_ENABLE |
2331 | /* queue idle watchers unless other events are pending */ |
2420 | /* queue idle watchers unless other events are pending */ |
2332 | idle_reify (EV_A); |
2421 | idle_reify (EV_A); |
2333 | #endif |
2422 | #endif |
2334 | |
2423 | |
|
|
2424 | #if EV_CHECK_ENABLE |
2335 | /* queue check watchers, to be executed first */ |
2425 | /* queue check watchers, to be executed first */ |
2336 | if (expect_false (checkcnt)) |
2426 | if (expect_false (checkcnt)) |
2337 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
2427 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
|
|
2428 | #endif |
2338 | |
2429 | |
2339 | EV_INVOKE_PENDING; |
2430 | EV_INVOKE_PENDING; |
2340 | } |
2431 | } |
2341 | while (expect_true ( |
2432 | while (expect_true ( |
2342 | activecnt |
2433 | activecnt |
… | |
… | |
2345 | )); |
2436 | )); |
2346 | |
2437 | |
2347 | if (loop_done == EVUNLOOP_ONE) |
2438 | if (loop_done == EVUNLOOP_ONE) |
2348 | loop_done = EVUNLOOP_CANCEL; |
2439 | loop_done = EVUNLOOP_CANCEL; |
2349 | |
2440 | |
2350 | #if EV_MINIMAL < 2 |
2441 | #if EV_FEATURE_API |
2351 | --loop_depth; |
2442 | --loop_depth; |
2352 | #endif |
2443 | #endif |
2353 | } |
2444 | } |
2354 | |
2445 | |
2355 | void |
2446 | void |
… | |
… | |
2481 | |
2572 | |
2482 | if (expect_false (ev_is_active (w))) |
2573 | if (expect_false (ev_is_active (w))) |
2483 | return; |
2574 | return; |
2484 | |
2575 | |
2485 | assert (("libev: ev_io_start called with negative fd", fd >= 0)); |
2576 | assert (("libev: ev_io_start called with negative fd", fd >= 0)); |
2486 | assert (("libev: ev_io start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); |
2577 | assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); |
2487 | |
2578 | |
2488 | EV_FREQUENT_CHECK; |
2579 | EV_FREQUENT_CHECK; |
2489 | |
2580 | |
2490 | ev_start (EV_A_ (W)w, 1); |
2581 | ev_start (EV_A_ (W)w, 1); |
2491 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
2582 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
… | |
… | |
2509 | EV_FREQUENT_CHECK; |
2600 | EV_FREQUENT_CHECK; |
2510 | |
2601 | |
2511 | wlist_del (&anfds[w->fd].head, (WL)w); |
2602 | wlist_del (&anfds[w->fd].head, (WL)w); |
2512 | ev_stop (EV_A_ (W)w); |
2603 | ev_stop (EV_A_ (W)w); |
2513 | |
2604 | |
2514 | fd_change (EV_A_ w->fd, 1); |
2605 | fd_change (EV_A_ w->fd, EV_ANFD_REIFY); |
2515 | |
2606 | |
2516 | EV_FREQUENT_CHECK; |
2607 | EV_FREQUENT_CHECK; |
2517 | } |
2608 | } |
2518 | |
2609 | |
2519 | void noinline |
2610 | void noinline |
… | |
… | |
2561 | timers [active] = timers [timercnt + HEAP0]; |
2652 | timers [active] = timers [timercnt + HEAP0]; |
2562 | adjustheap (timers, timercnt, active); |
2653 | adjustheap (timers, timercnt, active); |
2563 | } |
2654 | } |
2564 | } |
2655 | } |
2565 | |
2656 | |
2566 | EV_FREQUENT_CHECK; |
|
|
2567 | |
|
|
2568 | ev_at (w) -= mn_now; |
2657 | ev_at (w) -= mn_now; |
2569 | |
2658 | |
2570 | ev_stop (EV_A_ (W)w); |
2659 | ev_stop (EV_A_ (W)w); |
|
|
2660 | |
|
|
2661 | EV_FREQUENT_CHECK; |
2571 | } |
2662 | } |
2572 | |
2663 | |
2573 | void noinline |
2664 | void noinline |
2574 | ev_timer_again (EV_P_ ev_timer *w) |
2665 | ev_timer_again (EV_P_ ev_timer *w) |
2575 | { |
2666 | { |
… | |
… | |
2654 | periodics [active] = periodics [periodiccnt + HEAP0]; |
2745 | periodics [active] = periodics [periodiccnt + HEAP0]; |
2655 | adjustheap (periodics, periodiccnt, active); |
2746 | adjustheap (periodics, periodiccnt, active); |
2656 | } |
2747 | } |
2657 | } |
2748 | } |
2658 | |
2749 | |
2659 | EV_FREQUENT_CHECK; |
|
|
2660 | |
|
|
2661 | ev_stop (EV_A_ (W)w); |
2750 | ev_stop (EV_A_ (W)w); |
|
|
2751 | |
|
|
2752 | EV_FREQUENT_CHECK; |
2662 | } |
2753 | } |
2663 | |
2754 | |
2664 | void noinline |
2755 | void noinline |
2665 | ev_periodic_again (EV_P_ ev_periodic *w) |
2756 | ev_periodic_again (EV_P_ ev_periodic *w) |
2666 | { |
2757 | { |
… | |
… | |
2671 | #endif |
2762 | #endif |
2672 | |
2763 | |
2673 | #ifndef SA_RESTART |
2764 | #ifndef SA_RESTART |
2674 | # define SA_RESTART 0 |
2765 | # define SA_RESTART 0 |
2675 | #endif |
2766 | #endif |
|
|
2767 | |
|
|
2768 | #if EV_SIGNAL_ENABLE |
2676 | |
2769 | |
2677 | void noinline |
2770 | void noinline |
2678 | ev_signal_start (EV_P_ ev_signal *w) |
2771 | ev_signal_start (EV_P_ ev_signal *w) |
2679 | { |
2772 | { |
2680 | if (expect_false (ev_is_active (w))) |
2773 | if (expect_false (ev_is_active (w))) |
… | |
… | |
2727 | if (!((WL)w)->next) |
2820 | if (!((WL)w)->next) |
2728 | # if EV_USE_SIGNALFD |
2821 | # if EV_USE_SIGNALFD |
2729 | if (sigfd < 0) /*TODO*/ |
2822 | if (sigfd < 0) /*TODO*/ |
2730 | # endif |
2823 | # endif |
2731 | { |
2824 | { |
2732 | # if _WIN32 |
2825 | # ifdef _WIN32 |
|
|
2826 | evpipe_init (EV_A); |
|
|
2827 | |
2733 | signal (w->signum, ev_sighandler); |
2828 | signal (w->signum, ev_sighandler); |
2734 | # else |
2829 | # else |
2735 | struct sigaction sa; |
2830 | struct sigaction sa; |
2736 | |
2831 | |
2737 | evpipe_init (EV_A); |
2832 | evpipe_init (EV_A); |
… | |
… | |
2768 | signals [w->signum - 1].loop = 0; /* unattach from signal */ |
2863 | signals [w->signum - 1].loop = 0; /* unattach from signal */ |
2769 | #endif |
2864 | #endif |
2770 | #if EV_USE_SIGNALFD |
2865 | #if EV_USE_SIGNALFD |
2771 | if (sigfd >= 0) |
2866 | if (sigfd >= 0) |
2772 | { |
2867 | { |
2773 | sigprocmask (SIG_UNBLOCK, &sigfd_set, 0);//D |
2868 | sigset_t ss; |
|
|
2869 | |
|
|
2870 | sigemptyset (&ss); |
|
|
2871 | sigaddset (&ss, w->signum); |
2774 | sigdelset (&sigfd_set, w->signum); |
2872 | sigdelset (&sigfd_set, w->signum); |
|
|
2873 | |
2775 | signalfd (sigfd, &sigfd_set, 0); |
2874 | signalfd (sigfd, &sigfd_set, 0); |
2776 | sigprocmask (SIG_BLOCK, &sigfd_set, 0);//D |
2875 | sigprocmask (SIG_UNBLOCK, &ss, 0); |
2777 | /*TODO: maybe unblock signal? */ |
|
|
2778 | } |
2876 | } |
2779 | else |
2877 | else |
2780 | #endif |
2878 | #endif |
2781 | signal (w->signum, SIG_DFL); |
2879 | signal (w->signum, SIG_DFL); |
2782 | } |
2880 | } |
2783 | |
2881 | |
2784 | EV_FREQUENT_CHECK; |
2882 | EV_FREQUENT_CHECK; |
2785 | } |
2883 | } |
2786 | |
2884 | |
|
|
2885 | #endif |
|
|
2886 | |
|
|
2887 | #if EV_CHILD_ENABLE |
|
|
2888 | |
2787 | void |
2889 | void |
2788 | ev_child_start (EV_P_ ev_child *w) |
2890 | ev_child_start (EV_P_ ev_child *w) |
2789 | { |
2891 | { |
2790 | #if EV_MULTIPLICITY |
2892 | #if EV_MULTIPLICITY |
2791 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
2893 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
… | |
… | |
2794 | return; |
2896 | return; |
2795 | |
2897 | |
2796 | EV_FREQUENT_CHECK; |
2898 | EV_FREQUENT_CHECK; |
2797 | |
2899 | |
2798 | ev_start (EV_A_ (W)w, 1); |
2900 | ev_start (EV_A_ (W)w, 1); |
2799 | wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
2901 | wlist_add (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w); |
2800 | |
2902 | |
2801 | EV_FREQUENT_CHECK; |
2903 | EV_FREQUENT_CHECK; |
2802 | } |
2904 | } |
2803 | |
2905 | |
2804 | void |
2906 | void |
… | |
… | |
2808 | if (expect_false (!ev_is_active (w))) |
2910 | if (expect_false (!ev_is_active (w))) |
2809 | return; |
2911 | return; |
2810 | |
2912 | |
2811 | EV_FREQUENT_CHECK; |
2913 | EV_FREQUENT_CHECK; |
2812 | |
2914 | |
2813 | wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
2915 | wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w); |
2814 | ev_stop (EV_A_ (W)w); |
2916 | ev_stop (EV_A_ (W)w); |
2815 | |
2917 | |
2816 | EV_FREQUENT_CHECK; |
2918 | EV_FREQUENT_CHECK; |
2817 | } |
2919 | } |
|
|
2920 | |
|
|
2921 | #endif |
2818 | |
2922 | |
2819 | #if EV_STAT_ENABLE |
2923 | #if EV_STAT_ENABLE |
2820 | |
2924 | |
2821 | # ifdef _WIN32 |
2925 | # ifdef _WIN32 |
2822 | # undef lstat |
2926 | # undef lstat |
… | |
… | |
2828 | #define MIN_STAT_INTERVAL 0.1074891 |
2932 | #define MIN_STAT_INTERVAL 0.1074891 |
2829 | |
2933 | |
2830 | static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
2934 | static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
2831 | |
2935 | |
2832 | #if EV_USE_INOTIFY |
2936 | #if EV_USE_INOTIFY |
2833 | # define EV_INOTIFY_BUFSIZE 8192 |
2937 | |
|
|
2938 | /* the * 2 is to allow for alignment padding, which for some reason is >> 8 */ |
|
|
2939 | # define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX) |
2834 | |
2940 | |
2835 | static void noinline |
2941 | static void noinline |
2836 | infy_add (EV_P_ ev_stat *w) |
2942 | infy_add (EV_P_ ev_stat *w) |
2837 | { |
2943 | { |
2838 | 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); |
2944 | 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); |
2839 | |
2945 | |
2840 | if (w->wd < 0) |
2946 | if (w->wd >= 0) |
|
|
2947 | { |
|
|
2948 | struct statfs sfs; |
|
|
2949 | |
|
|
2950 | /* now local changes will be tracked by inotify, but remote changes won't */ |
|
|
2951 | /* unless the filesystem is known to be local, we therefore still poll */ |
|
|
2952 | /* also do poll on <2.6.25, but with normal frequency */ |
|
|
2953 | |
|
|
2954 | if (!fs_2625) |
|
|
2955 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
|
|
2956 | else if (!statfs (w->path, &sfs) |
|
|
2957 | && (sfs.f_type == 0x1373 /* devfs */ |
|
|
2958 | || sfs.f_type == 0xEF53 /* ext2/3 */ |
|
|
2959 | || sfs.f_type == 0x3153464a /* jfs */ |
|
|
2960 | || sfs.f_type == 0x52654973 /* reiser3 */ |
|
|
2961 | || sfs.f_type == 0x01021994 /* tempfs */ |
|
|
2962 | || sfs.f_type == 0x58465342 /* xfs */)) |
|
|
2963 | w->timer.repeat = 0.; /* filesystem is local, kernel new enough */ |
|
|
2964 | else |
|
|
2965 | w->timer.repeat = w->interval ? w->interval : NFS_STAT_INTERVAL; /* remote, use reduced frequency */ |
2841 | { |
2966 | } |
|
|
2967 | else |
|
|
2968 | { |
|
|
2969 | /* can't use inotify, continue to stat */ |
2842 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
2970 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
2843 | ev_timer_again (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */ |
|
|
2844 | |
2971 | |
2845 | /* monitor some parent directory for speedup hints */ |
2972 | /* if path is not there, monitor some parent directory for speedup hints */ |
2846 | /* note that exceeding the hardcoded path limit is not a correctness issue, */ |
2973 | /* note that exceeding the hardcoded path limit is not a correctness issue, */ |
2847 | /* but an efficiency issue only */ |
2974 | /* but an efficiency issue only */ |
2848 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
2975 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
2849 | { |
2976 | { |
2850 | char path [4096]; |
2977 | char path [4096]; |
… | |
… | |
2866 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
2993 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
2867 | } |
2994 | } |
2868 | } |
2995 | } |
2869 | |
2996 | |
2870 | if (w->wd >= 0) |
2997 | if (w->wd >= 0) |
2871 | { |
|
|
2872 | struct statfs sfs; |
|
|
2873 | |
|
|
2874 | wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
2998 | wlist_add (&fs_hash [w->wd & ((EV_INOTIFY_HASHSIZE) - 1)].head, (WL)w); |
2875 | |
2999 | |
2876 | /* now local changes will be tracked by inotify, but remote changes won't */ |
3000 | /* now re-arm timer, if required */ |
2877 | /* unless the filesystem it known to be local, we therefore still poll */ |
3001 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
2878 | /* also do poll on <2.6.25, but with normal frequency */ |
|
|
2879 | |
|
|
2880 | if (fs_2625 && !statfs (w->path, &sfs)) |
|
|
2881 | if (sfs.f_type == 0x1373 /* devfs */ |
|
|
2882 | || sfs.f_type == 0xEF53 /* ext2/3 */ |
|
|
2883 | || sfs.f_type == 0x3153464a /* jfs */ |
|
|
2884 | || sfs.f_type == 0x52654973 /* reiser3 */ |
|
|
2885 | || sfs.f_type == 0x01021994 /* tempfs */ |
|
|
2886 | || sfs.f_type == 0x58465342 /* xfs */) |
|
|
2887 | return; |
|
|
2888 | |
|
|
2889 | w->timer.repeat = w->interval ? w->interval : fs_2625 ? NFS_STAT_INTERVAL : DEF_STAT_INTERVAL; |
|
|
2890 | ev_timer_again (EV_A_ &w->timer); |
3002 | ev_timer_again (EV_A_ &w->timer); |
2891 | } |
3003 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
2892 | } |
3004 | } |
2893 | |
3005 | |
2894 | static void noinline |
3006 | static void noinline |
2895 | infy_del (EV_P_ ev_stat *w) |
3007 | infy_del (EV_P_ ev_stat *w) |
2896 | { |
3008 | { |
… | |
… | |
2899 | |
3011 | |
2900 | if (wd < 0) |
3012 | if (wd < 0) |
2901 | return; |
3013 | return; |
2902 | |
3014 | |
2903 | w->wd = -2; |
3015 | w->wd = -2; |
2904 | slot = wd & (EV_INOTIFY_HASHSIZE - 1); |
3016 | slot = wd & ((EV_INOTIFY_HASHSIZE) - 1); |
2905 | wlist_del (&fs_hash [slot].head, (WL)w); |
3017 | wlist_del (&fs_hash [slot].head, (WL)w); |
2906 | |
3018 | |
2907 | /* remove this watcher, if others are watching it, they will rearm */ |
3019 | /* remove this watcher, if others are watching it, they will rearm */ |
2908 | inotify_rm_watch (fs_fd, wd); |
3020 | inotify_rm_watch (fs_fd, wd); |
2909 | } |
3021 | } |
… | |
… | |
2911 | static void noinline |
3023 | static void noinline |
2912 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
3024 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
2913 | { |
3025 | { |
2914 | if (slot < 0) |
3026 | if (slot < 0) |
2915 | /* overflow, need to check for all hash slots */ |
3027 | /* overflow, need to check for all hash slots */ |
2916 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
3028 | for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot) |
2917 | infy_wd (EV_A_ slot, wd, ev); |
3029 | infy_wd (EV_A_ slot, wd, ev); |
2918 | else |
3030 | else |
2919 | { |
3031 | { |
2920 | WL w_; |
3032 | WL w_; |
2921 | |
3033 | |
2922 | for (w_ = fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head; w_; ) |
3034 | for (w_ = fs_hash [slot & ((EV_INOTIFY_HASHSIZE) - 1)].head; w_; ) |
2923 | { |
3035 | { |
2924 | ev_stat *w = (ev_stat *)w_; |
3036 | ev_stat *w = (ev_stat *)w_; |
2925 | w_ = w_->next; /* lets us remove this watcher and all before it */ |
3037 | w_ = w_->next; /* lets us remove this watcher and all before it */ |
2926 | |
3038 | |
2927 | if (w->wd == wd || wd == -1) |
3039 | if (w->wd == wd || wd == -1) |
2928 | { |
3040 | { |
2929 | if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) |
3041 | if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) |
2930 | { |
3042 | { |
2931 | wlist_del (&fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
3043 | wlist_del (&fs_hash [slot & ((EV_INOTIFY_HASHSIZE) - 1)].head, (WL)w); |
2932 | w->wd = -1; |
3044 | w->wd = -1; |
2933 | infy_add (EV_A_ w); /* re-add, no matter what */ |
3045 | infy_add (EV_A_ w); /* re-add, no matter what */ |
2934 | } |
3046 | } |
2935 | |
3047 | |
2936 | stat_timer_cb (EV_A_ &w->timer, 0); |
3048 | stat_timer_cb (EV_A_ &w->timer, 0); |
… | |
… | |
2941 | |
3053 | |
2942 | static void |
3054 | static void |
2943 | infy_cb (EV_P_ ev_io *w, int revents) |
3055 | infy_cb (EV_P_ ev_io *w, int revents) |
2944 | { |
3056 | { |
2945 | char buf [EV_INOTIFY_BUFSIZE]; |
3057 | char buf [EV_INOTIFY_BUFSIZE]; |
2946 | struct inotify_event *ev = (struct inotify_event *)buf; |
|
|
2947 | int ofs; |
3058 | int ofs; |
2948 | int len = read (fs_fd, buf, sizeof (buf)); |
3059 | int len = read (fs_fd, buf, sizeof (buf)); |
2949 | |
3060 | |
2950 | for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len) |
3061 | for (ofs = 0; ofs < len; ) |
|
|
3062 | { |
|
|
3063 | struct inotify_event *ev = (struct inotify_event *)(buf + ofs); |
2951 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
3064 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
|
|
3065 | ofs += sizeof (struct inotify_event) + ev->len; |
|
|
3066 | } |
|
|
3067 | } |
|
|
3068 | |
|
|
3069 | inline_size unsigned int |
|
|
3070 | ev_linux_version (void) |
|
|
3071 | { |
|
|
3072 | struct utsname buf; |
|
|
3073 | unsigned int v; |
|
|
3074 | int i; |
|
|
3075 | char *p = buf.release; |
|
|
3076 | |
|
|
3077 | if (uname (&buf)) |
|
|
3078 | return 0; |
|
|
3079 | |
|
|
3080 | for (i = 3+1; --i; ) |
|
|
3081 | { |
|
|
3082 | unsigned int c = 0; |
|
|
3083 | |
|
|
3084 | for (;;) |
|
|
3085 | { |
|
|
3086 | if (*p >= '0' && *p <= '9') |
|
|
3087 | c = c * 10 + *p++ - '0'; |
|
|
3088 | else |
|
|
3089 | { |
|
|
3090 | p += *p == '.'; |
|
|
3091 | break; |
|
|
3092 | } |
|
|
3093 | } |
|
|
3094 | |
|
|
3095 | v = (v << 8) | c; |
|
|
3096 | } |
|
|
3097 | |
|
|
3098 | return v; |
2952 | } |
3099 | } |
2953 | |
3100 | |
2954 | inline_size void |
3101 | inline_size void |
2955 | check_2625 (EV_P) |
3102 | ev_check_2625 (EV_P) |
2956 | { |
3103 | { |
2957 | /* kernels < 2.6.25 are borked |
3104 | /* kernels < 2.6.25 are borked |
2958 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
3105 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
2959 | */ |
3106 | */ |
2960 | struct utsname buf; |
3107 | if (ev_linux_version () < 0x020619) |
2961 | int major, minor, micro; |
|
|
2962 | |
|
|
2963 | if (uname (&buf)) |
|
|
2964 | return; |
3108 | return; |
2965 | |
3109 | |
2966 | if (sscanf (buf.release, "%d.%d.%d", &major, &minor, µ) != 3) |
|
|
2967 | return; |
|
|
2968 | |
|
|
2969 | if (major < 2 |
|
|
2970 | || (major == 2 && minor < 6) |
|
|
2971 | || (major == 2 && minor == 6 && micro < 25)) |
|
|
2972 | return; |
|
|
2973 | |
|
|
2974 | fs_2625 = 1; |
3110 | fs_2625 = 1; |
|
|
3111 | } |
|
|
3112 | |
|
|
3113 | inline_size int |
|
|
3114 | infy_newfd (void) |
|
|
3115 | { |
|
|
3116 | #if defined (IN_CLOEXEC) && defined (IN_NONBLOCK) |
|
|
3117 | int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK); |
|
|
3118 | if (fd >= 0) |
|
|
3119 | return fd; |
|
|
3120 | #endif |
|
|
3121 | return inotify_init (); |
2975 | } |
3122 | } |
2976 | |
3123 | |
2977 | inline_size void |
3124 | inline_size void |
2978 | infy_init (EV_P) |
3125 | infy_init (EV_P) |
2979 | { |
3126 | { |
2980 | if (fs_fd != -2) |
3127 | if (fs_fd != -2) |
2981 | return; |
3128 | return; |
2982 | |
3129 | |
2983 | fs_fd = -1; |
3130 | fs_fd = -1; |
2984 | |
3131 | |
2985 | check_2625 (EV_A); |
3132 | ev_check_2625 (EV_A); |
2986 | |
3133 | |
2987 | fs_fd = inotify_init (); |
3134 | fs_fd = infy_newfd (); |
2988 | |
3135 | |
2989 | if (fs_fd >= 0) |
3136 | if (fs_fd >= 0) |
2990 | { |
3137 | { |
|
|
3138 | fd_intern (fs_fd); |
2991 | ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ); |
3139 | ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ); |
2992 | ev_set_priority (&fs_w, EV_MAXPRI); |
3140 | ev_set_priority (&fs_w, EV_MAXPRI); |
2993 | ev_io_start (EV_A_ &fs_w); |
3141 | ev_io_start (EV_A_ &fs_w); |
|
|
3142 | ev_unref (EV_A); |
2994 | } |
3143 | } |
2995 | } |
3144 | } |
2996 | |
3145 | |
2997 | inline_size void |
3146 | inline_size void |
2998 | infy_fork (EV_P) |
3147 | infy_fork (EV_P) |
… | |
… | |
3000 | int slot; |
3149 | int slot; |
3001 | |
3150 | |
3002 | if (fs_fd < 0) |
3151 | if (fs_fd < 0) |
3003 | return; |
3152 | return; |
3004 | |
3153 | |
|
|
3154 | ev_ref (EV_A); |
|
|
3155 | ev_io_stop (EV_A_ &fs_w); |
3005 | close (fs_fd); |
3156 | close (fs_fd); |
3006 | fs_fd = inotify_init (); |
3157 | fs_fd = infy_newfd (); |
3007 | |
3158 | |
|
|
3159 | if (fs_fd >= 0) |
|
|
3160 | { |
|
|
3161 | fd_intern (fs_fd); |
|
|
3162 | ev_io_set (&fs_w, fs_fd, EV_READ); |
|
|
3163 | ev_io_start (EV_A_ &fs_w); |
|
|
3164 | ev_unref (EV_A); |
|
|
3165 | } |
|
|
3166 | |
3008 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
3167 | for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot) |
3009 | { |
3168 | { |
3010 | WL w_ = fs_hash [slot].head; |
3169 | WL w_ = fs_hash [slot].head; |
3011 | fs_hash [slot].head = 0; |
3170 | fs_hash [slot].head = 0; |
3012 | |
3171 | |
3013 | while (w_) |
3172 | while (w_) |
… | |
… | |
3018 | w->wd = -1; |
3177 | w->wd = -1; |
3019 | |
3178 | |
3020 | if (fs_fd >= 0) |
3179 | if (fs_fd >= 0) |
3021 | infy_add (EV_A_ w); /* re-add, no matter what */ |
3180 | infy_add (EV_A_ w); /* re-add, no matter what */ |
3022 | else |
3181 | else |
|
|
3182 | { |
|
|
3183 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
|
|
3184 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
3023 | ev_timer_again (EV_A_ &w->timer); |
3185 | ev_timer_again (EV_A_ &w->timer); |
|
|
3186 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
|
|
3187 | } |
3024 | } |
3188 | } |
3025 | } |
3189 | } |
3026 | } |
3190 | } |
3027 | |
3191 | |
3028 | #endif |
3192 | #endif |
… | |
… | |
3045 | static void noinline |
3209 | static void noinline |
3046 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
3210 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
3047 | { |
3211 | { |
3048 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
3212 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
3049 | |
3213 | |
3050 | /* we copy this here each the time so that */ |
3214 | ev_statdata prev = w->attr; |
3051 | /* prev has the old value when the callback gets invoked */ |
|
|
3052 | w->prev = w->attr; |
|
|
3053 | ev_stat_stat (EV_A_ w); |
3215 | ev_stat_stat (EV_A_ w); |
3054 | |
3216 | |
3055 | /* memcmp doesn't work on netbsd, they.... do stuff to their struct stat */ |
3217 | /* memcmp doesn't work on netbsd, they.... do stuff to their struct stat */ |
3056 | if ( |
3218 | if ( |
3057 | w->prev.st_dev != w->attr.st_dev |
3219 | prev.st_dev != w->attr.st_dev |
3058 | || w->prev.st_ino != w->attr.st_ino |
3220 | || prev.st_ino != w->attr.st_ino |
3059 | || w->prev.st_mode != w->attr.st_mode |
3221 | || prev.st_mode != w->attr.st_mode |
3060 | || w->prev.st_nlink != w->attr.st_nlink |
3222 | || prev.st_nlink != w->attr.st_nlink |
3061 | || w->prev.st_uid != w->attr.st_uid |
3223 | || prev.st_uid != w->attr.st_uid |
3062 | || w->prev.st_gid != w->attr.st_gid |
3224 | || prev.st_gid != w->attr.st_gid |
3063 | || w->prev.st_rdev != w->attr.st_rdev |
3225 | || prev.st_rdev != w->attr.st_rdev |
3064 | || w->prev.st_size != w->attr.st_size |
3226 | || prev.st_size != w->attr.st_size |
3065 | || w->prev.st_atime != w->attr.st_atime |
3227 | || prev.st_atime != w->attr.st_atime |
3066 | || w->prev.st_mtime != w->attr.st_mtime |
3228 | || prev.st_mtime != w->attr.st_mtime |
3067 | || w->prev.st_ctime != w->attr.st_ctime |
3229 | || prev.st_ctime != w->attr.st_ctime |
3068 | ) { |
3230 | ) { |
|
|
3231 | /* we only update w->prev on actual differences */ |
|
|
3232 | /* in case we test more often than invoke the callback, */ |
|
|
3233 | /* to ensure that prev is always different to attr */ |
|
|
3234 | w->prev = prev; |
|
|
3235 | |
3069 | #if EV_USE_INOTIFY |
3236 | #if EV_USE_INOTIFY |
3070 | if (fs_fd >= 0) |
3237 | if (fs_fd >= 0) |
3071 | { |
3238 | { |
3072 | infy_del (EV_A_ w); |
3239 | infy_del (EV_A_ w); |
3073 | infy_add (EV_A_ w); |
3240 | infy_add (EV_A_ w); |
… | |
… | |
3098 | |
3265 | |
3099 | if (fs_fd >= 0) |
3266 | if (fs_fd >= 0) |
3100 | infy_add (EV_A_ w); |
3267 | infy_add (EV_A_ w); |
3101 | else |
3268 | else |
3102 | #endif |
3269 | #endif |
|
|
3270 | { |
3103 | ev_timer_again (EV_A_ &w->timer); |
3271 | ev_timer_again (EV_A_ &w->timer); |
|
|
3272 | ev_unref (EV_A); |
|
|
3273 | } |
3104 | |
3274 | |
3105 | ev_start (EV_A_ (W)w, 1); |
3275 | ev_start (EV_A_ (W)w, 1); |
3106 | |
3276 | |
3107 | EV_FREQUENT_CHECK; |
3277 | EV_FREQUENT_CHECK; |
3108 | } |
3278 | } |
… | |
… | |
3117 | EV_FREQUENT_CHECK; |
3287 | EV_FREQUENT_CHECK; |
3118 | |
3288 | |
3119 | #if EV_USE_INOTIFY |
3289 | #if EV_USE_INOTIFY |
3120 | infy_del (EV_A_ w); |
3290 | infy_del (EV_A_ w); |
3121 | #endif |
3291 | #endif |
|
|
3292 | |
|
|
3293 | if (ev_is_active (&w->timer)) |
|
|
3294 | { |
|
|
3295 | ev_ref (EV_A); |
3122 | ev_timer_stop (EV_A_ &w->timer); |
3296 | ev_timer_stop (EV_A_ &w->timer); |
|
|
3297 | } |
3123 | |
3298 | |
3124 | ev_stop (EV_A_ (W)w); |
3299 | ev_stop (EV_A_ (W)w); |
3125 | |
3300 | |
3126 | EV_FREQUENT_CHECK; |
3301 | EV_FREQUENT_CHECK; |
3127 | } |
3302 | } |
… | |
… | |
3172 | |
3347 | |
3173 | EV_FREQUENT_CHECK; |
3348 | EV_FREQUENT_CHECK; |
3174 | } |
3349 | } |
3175 | #endif |
3350 | #endif |
3176 | |
3351 | |
|
|
3352 | #if EV_PREPARE_ENABLE |
3177 | void |
3353 | void |
3178 | ev_prepare_start (EV_P_ ev_prepare *w) |
3354 | ev_prepare_start (EV_P_ ev_prepare *w) |
3179 | { |
3355 | { |
3180 | if (expect_false (ev_is_active (w))) |
3356 | if (expect_false (ev_is_active (w))) |
3181 | return; |
3357 | return; |
… | |
… | |
3207 | |
3383 | |
3208 | ev_stop (EV_A_ (W)w); |
3384 | ev_stop (EV_A_ (W)w); |
3209 | |
3385 | |
3210 | EV_FREQUENT_CHECK; |
3386 | EV_FREQUENT_CHECK; |
3211 | } |
3387 | } |
|
|
3388 | #endif |
3212 | |
3389 | |
|
|
3390 | #if EV_CHECK_ENABLE |
3213 | void |
3391 | void |
3214 | ev_check_start (EV_P_ ev_check *w) |
3392 | ev_check_start (EV_P_ ev_check *w) |
3215 | { |
3393 | { |
3216 | if (expect_false (ev_is_active (w))) |
3394 | if (expect_false (ev_is_active (w))) |
3217 | return; |
3395 | return; |
… | |
… | |
3243 | |
3421 | |
3244 | ev_stop (EV_A_ (W)w); |
3422 | ev_stop (EV_A_ (W)w); |
3245 | |
3423 | |
3246 | EV_FREQUENT_CHECK; |
3424 | EV_FREQUENT_CHECK; |
3247 | } |
3425 | } |
|
|
3426 | #endif |
3248 | |
3427 | |
3249 | #if EV_EMBED_ENABLE |
3428 | #if EV_EMBED_ENABLE |
3250 | void noinline |
3429 | void noinline |
3251 | ev_embed_sweep (EV_P_ ev_embed *w) |
3430 | ev_embed_sweep (EV_P_ ev_embed *w) |
3252 | { |
3431 | { |
… | |
… | |
3347 | |
3526 | |
3348 | ev_io_stop (EV_A_ &w->io); |
3527 | ev_io_stop (EV_A_ &w->io); |
3349 | ev_prepare_stop (EV_A_ &w->prepare); |
3528 | ev_prepare_stop (EV_A_ &w->prepare); |
3350 | ev_fork_stop (EV_A_ &w->fork); |
3529 | ev_fork_stop (EV_A_ &w->fork); |
3351 | |
3530 | |
|
|
3531 | ev_stop (EV_A_ (W)w); |
|
|
3532 | |
3352 | EV_FREQUENT_CHECK; |
3533 | EV_FREQUENT_CHECK; |
3353 | } |
3534 | } |
3354 | #endif |
3535 | #endif |
3355 | |
3536 | |
3356 | #if EV_FORK_ENABLE |
3537 | #if EV_FORK_ENABLE |
… | |
… | |
3482 | { |
3663 | { |
3483 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
3664 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
3484 | |
3665 | |
3485 | if (expect_false (!once)) |
3666 | if (expect_false (!once)) |
3486 | { |
3667 | { |
3487 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); |
3668 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMER, arg); |
3488 | return; |
3669 | return; |
3489 | } |
3670 | } |
3490 | |
3671 | |
3491 | once->cb = cb; |
3672 | once->cb = cb; |
3492 | once->arg = arg; |
3673 | once->arg = arg; |
… | |
… | |
3579 | if (types & EV_ASYNC) |
3760 | if (types & EV_ASYNC) |
3580 | for (i = asynccnt; i--; ) |
3761 | for (i = asynccnt; i--; ) |
3581 | cb (EV_A_ EV_ASYNC, asyncs [i]); |
3762 | cb (EV_A_ EV_ASYNC, asyncs [i]); |
3582 | #endif |
3763 | #endif |
3583 | |
3764 | |
|
|
3765 | #if EV_PREPARE_ENABLE |
3584 | if (types & EV_PREPARE) |
3766 | if (types & EV_PREPARE) |
3585 | for (i = preparecnt; i--; ) |
3767 | for (i = preparecnt; i--; ) |
3586 | #if EV_EMBED_ENABLE |
3768 | # if EV_EMBED_ENABLE |
3587 | if (ev_cb (prepares [i]) != embed_prepare_cb) |
3769 | if (ev_cb (prepares [i]) != embed_prepare_cb) |
3588 | #endif |
3770 | # endif |
3589 | cb (EV_A_ EV_PREPARE, prepares [i]); |
3771 | cb (EV_A_ EV_PREPARE, prepares [i]); |
|
|
3772 | #endif |
3590 | |
3773 | |
|
|
3774 | #if EV_CHECK_ENABLE |
3591 | if (types & EV_CHECK) |
3775 | if (types & EV_CHECK) |
3592 | for (i = checkcnt; i--; ) |
3776 | for (i = checkcnt; i--; ) |
3593 | cb (EV_A_ EV_CHECK, checks [i]); |
3777 | cb (EV_A_ EV_CHECK, checks [i]); |
|
|
3778 | #endif |
3594 | |
3779 | |
|
|
3780 | #if EV_SIGNAL_ENABLE |
3595 | if (types & EV_SIGNAL) |
3781 | if (types & EV_SIGNAL) |
3596 | for (i = 0; i < EV_NSIG - 1; ++i) |
3782 | for (i = 0; i < EV_NSIG - 1; ++i) |
3597 | for (wl = signals [i].head; wl; ) |
3783 | for (wl = signals [i].head; wl; ) |
3598 | { |
3784 | { |
3599 | wn = wl->next; |
3785 | wn = wl->next; |
3600 | cb (EV_A_ EV_SIGNAL, wl); |
3786 | cb (EV_A_ EV_SIGNAL, wl); |
3601 | wl = wn; |
3787 | wl = wn; |
3602 | } |
3788 | } |
|
|
3789 | #endif |
3603 | |
3790 | |
|
|
3791 | #if EV_CHILD_ENABLE |
3604 | if (types & EV_CHILD) |
3792 | if (types & EV_CHILD) |
3605 | for (i = EV_PID_HASHSIZE; i--; ) |
3793 | for (i = (EV_PID_HASHSIZE); i--; ) |
3606 | for (wl = childs [i]; wl; ) |
3794 | for (wl = childs [i]; wl; ) |
3607 | { |
3795 | { |
3608 | wn = wl->next; |
3796 | wn = wl->next; |
3609 | cb (EV_A_ EV_CHILD, wl); |
3797 | cb (EV_A_ EV_CHILD, wl); |
3610 | wl = wn; |
3798 | wl = wn; |
3611 | } |
3799 | } |
|
|
3800 | #endif |
3612 | /* EV_STAT 0x00001000 /* stat data changed */ |
3801 | /* EV_STAT 0x00001000 /* stat data changed */ |
3613 | /* EV_EMBED 0x00010000 /* embedded event loop needs sweep */ |
3802 | /* EV_EMBED 0x00010000 /* embedded event loop needs sweep */ |
3614 | } |
3803 | } |
3615 | #endif |
3804 | #endif |
3616 | |
3805 | |