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 | * |
… | |
… | |
110 | # define EV_USE_EPOLL 0 |
110 | # define EV_USE_EPOLL 0 |
111 | # endif |
111 | # endif |
112 | # endif |
112 | # endif |
113 | |
113 | |
114 | # ifndef EV_USE_KQUEUE |
114 | # ifndef EV_USE_KQUEUE |
115 | # if HAVE_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H |
115 | # if HAVE_KQUEUE && HAVE_SYS_EVENT_H |
116 | # define EV_USE_KQUEUE 1 |
116 | # define EV_USE_KQUEUE 1 |
117 | # else |
117 | # else |
118 | # define EV_USE_KQUEUE 0 |
118 | # define EV_USE_KQUEUE 0 |
119 | # endif |
119 | # endif |
120 | # endif |
120 | # endif |
… | |
… | |
153 | |
153 | |
154 | #endif |
154 | #endif |
155 | |
155 | |
156 | #include <math.h> |
156 | #include <math.h> |
157 | #include <stdlib.h> |
157 | #include <stdlib.h> |
|
|
158 | #include <string.h> |
158 | #include <fcntl.h> |
159 | #include <fcntl.h> |
159 | #include <stddef.h> |
160 | #include <stddef.h> |
160 | |
161 | |
161 | #include <stdio.h> |
162 | #include <stdio.h> |
162 | |
163 | |
163 | #include <assert.h> |
164 | #include <assert.h> |
164 | #include <errno.h> |
165 | #include <errno.h> |
165 | #include <sys/types.h> |
166 | #include <sys/types.h> |
166 | #include <time.h> |
167 | #include <time.h> |
|
|
168 | #include <limits.h> |
167 | |
169 | |
168 | #include <signal.h> |
170 | #include <signal.h> |
169 | |
171 | |
170 | #ifdef EV_H |
172 | #ifdef EV_H |
171 | # include EV_H |
173 | # include EV_H |
… | |
… | |
182 | # define WIN32_LEAN_AND_MEAN |
184 | # define WIN32_LEAN_AND_MEAN |
183 | # include <windows.h> |
185 | # include <windows.h> |
184 | # ifndef EV_SELECT_IS_WINSOCKET |
186 | # ifndef EV_SELECT_IS_WINSOCKET |
185 | # define EV_SELECT_IS_WINSOCKET 1 |
187 | # define EV_SELECT_IS_WINSOCKET 1 |
186 | # endif |
188 | # endif |
|
|
189 | # undef EV_AVOID_STDIO |
187 | #endif |
190 | #endif |
188 | |
191 | |
189 | /* this block tries to deduce configuration from header-defined symbols and defaults */ |
192 | /* this block tries to deduce configuration from header-defined symbols and defaults */ |
190 | |
193 | |
191 | /* try to deduce the maximum number of signals on this platform */ |
194 | /* try to deduce the maximum number of signals on this platform */ |
… | |
… | |
204 | #elif defined (MAXSIG) |
207 | #elif defined (MAXSIG) |
205 | # define EV_NSIG (MAXSIG+1) |
208 | # define EV_NSIG (MAXSIG+1) |
206 | #elif defined (MAX_SIG) |
209 | #elif defined (MAX_SIG) |
207 | # define EV_NSIG (MAX_SIG+1) |
210 | # define EV_NSIG (MAX_SIG+1) |
208 | #elif defined (SIGARRAYSIZE) |
211 | #elif defined (SIGARRAYSIZE) |
209 | # define EV_NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */ |
212 | # define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */ |
210 | #elif defined (_sys_nsig) |
213 | #elif defined (_sys_nsig) |
211 | # define EV_NSIG (_sys_nsig) /* Solaris 2.5 */ |
214 | # define EV_NSIG (_sys_nsig) /* Solaris 2.5 */ |
212 | #else |
215 | #else |
213 | # error "unable to find value for NSIG, please report" |
216 | # error "unable to find value for NSIG, please report" |
214 | /* to make it compile regardless, just remove the above line */ |
217 | /* to make it compile regardless, just remove the above line, */ |
|
|
218 | /* but consider reporting it, too! :) */ |
215 | # define EV_NSIG 65 |
219 | # define EV_NSIG 65 |
216 | #endif |
220 | #endif |
217 | |
221 | |
218 | #ifndef EV_USE_CLOCK_SYSCALL |
222 | #ifndef EV_USE_CLOCK_SYSCALL |
219 | # if __linux && __GLIBC__ >= 2 |
223 | # if __linux && __GLIBC__ >= 2 |
220 | # define EV_USE_CLOCK_SYSCALL 1 |
224 | # define EV_USE_CLOCK_SYSCALL EV_FEATURE_OS |
221 | # else |
225 | # else |
222 | # define EV_USE_CLOCK_SYSCALL 0 |
226 | # define EV_USE_CLOCK_SYSCALL 0 |
223 | # endif |
227 | # endif |
224 | #endif |
228 | #endif |
225 | |
229 | |
226 | #ifndef EV_USE_MONOTONIC |
230 | #ifndef EV_USE_MONOTONIC |
227 | # if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0 |
231 | # if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0 |
228 | # define EV_USE_MONOTONIC 1 |
232 | # define EV_USE_MONOTONIC EV_FEATURE_OS |
229 | # else |
233 | # else |
230 | # define EV_USE_MONOTONIC 0 |
234 | # define EV_USE_MONOTONIC 0 |
231 | # endif |
235 | # endif |
232 | #endif |
236 | #endif |
233 | |
237 | |
… | |
… | |
235 | # define EV_USE_REALTIME !EV_USE_CLOCK_SYSCALL |
239 | # define EV_USE_REALTIME !EV_USE_CLOCK_SYSCALL |
236 | #endif |
240 | #endif |
237 | |
241 | |
238 | #ifndef EV_USE_NANOSLEEP |
242 | #ifndef EV_USE_NANOSLEEP |
239 | # if _POSIX_C_SOURCE >= 199309L |
243 | # if _POSIX_C_SOURCE >= 199309L |
240 | # define EV_USE_NANOSLEEP 1 |
244 | # define EV_USE_NANOSLEEP EV_FEATURE_OS |
241 | # else |
245 | # else |
242 | # define EV_USE_NANOSLEEP 0 |
246 | # define EV_USE_NANOSLEEP 0 |
243 | # endif |
247 | # endif |
244 | #endif |
248 | #endif |
245 | |
249 | |
246 | #ifndef EV_USE_SELECT |
250 | #ifndef EV_USE_SELECT |
247 | # define EV_USE_SELECT 1 |
251 | # define EV_USE_SELECT EV_FEATURE_BACKENDS |
248 | #endif |
252 | #endif |
249 | |
253 | |
250 | #ifndef EV_USE_POLL |
254 | #ifndef EV_USE_POLL |
251 | # ifdef _WIN32 |
255 | # ifdef _WIN32 |
252 | # define EV_USE_POLL 0 |
256 | # define EV_USE_POLL 0 |
253 | # else |
257 | # else |
254 | # define EV_USE_POLL 1 |
258 | # define EV_USE_POLL EV_FEATURE_BACKENDS |
255 | # endif |
259 | # endif |
256 | #endif |
260 | #endif |
257 | |
261 | |
258 | #ifndef EV_USE_EPOLL |
262 | #ifndef EV_USE_EPOLL |
259 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
263 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
260 | # define EV_USE_EPOLL 1 |
264 | # define EV_USE_EPOLL EV_FEATURE_BACKENDS |
261 | # else |
265 | # else |
262 | # define EV_USE_EPOLL 0 |
266 | # define EV_USE_EPOLL 0 |
263 | # endif |
267 | # endif |
264 | #endif |
268 | #endif |
265 | |
269 | |
… | |
… | |
271 | # define EV_USE_PORT 0 |
275 | # define EV_USE_PORT 0 |
272 | #endif |
276 | #endif |
273 | |
277 | |
274 | #ifndef EV_USE_INOTIFY |
278 | #ifndef EV_USE_INOTIFY |
275 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
279 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
276 | # define EV_USE_INOTIFY 1 |
280 | # define EV_USE_INOTIFY EV_FEATURE_OS |
277 | # else |
281 | # else |
278 | # define EV_USE_INOTIFY 0 |
282 | # define EV_USE_INOTIFY 0 |
279 | # endif |
283 | # endif |
280 | #endif |
284 | #endif |
281 | |
285 | |
282 | #ifndef EV_PID_HASHSIZE |
286 | #ifndef EV_PID_HASHSIZE |
283 | # if EV_MINIMAL |
287 | # 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 |
288 | #endif |
289 | |
289 | |
290 | #ifndef EV_INOTIFY_HASHSIZE |
290 | #ifndef EV_INOTIFY_HASHSIZE |
291 | # if EV_MINIMAL |
291 | # 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 |
292 | #endif |
297 | |
293 | |
298 | #ifndef EV_USE_EVENTFD |
294 | #ifndef EV_USE_EVENTFD |
299 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
295 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
300 | # define EV_USE_EVENTFD 1 |
296 | # define EV_USE_EVENTFD EV_FEATURE_OS |
301 | # else |
297 | # else |
302 | # define EV_USE_EVENTFD 0 |
298 | # define EV_USE_EVENTFD 0 |
303 | # endif |
299 | # endif |
304 | #endif |
300 | #endif |
305 | |
301 | |
306 | #ifndef EV_USE_SIGNALFD |
302 | #ifndef EV_USE_SIGNALFD |
307 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
303 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
308 | # define EV_USE_SIGNALFD 1 |
304 | # define EV_USE_SIGNALFD EV_FEATURE_OS |
309 | # else |
305 | # else |
310 | # define EV_USE_SIGNALFD 0 |
306 | # define EV_USE_SIGNALFD 0 |
311 | # endif |
307 | # endif |
312 | #endif |
308 | #endif |
313 | |
309 | |
… | |
… | |
316 | # define EV_USE_4HEAP 1 |
312 | # define EV_USE_4HEAP 1 |
317 | # define EV_HEAP_CACHE_AT 1 |
313 | # define EV_HEAP_CACHE_AT 1 |
318 | #endif |
314 | #endif |
319 | |
315 | |
320 | #ifndef EV_VERIFY |
316 | #ifndef EV_VERIFY |
321 | # define EV_VERIFY !EV_MINIMAL |
317 | # define EV_VERIFY (EV_FEATURE_API ? 1 : 0) |
322 | #endif |
318 | #endif |
323 | |
319 | |
324 | #ifndef EV_USE_4HEAP |
320 | #ifndef EV_USE_4HEAP |
325 | # define EV_USE_4HEAP !EV_MINIMAL |
321 | # define EV_USE_4HEAP EV_FEATURE_DATA |
326 | #endif |
322 | #endif |
327 | |
323 | |
328 | #ifndef EV_HEAP_CACHE_AT |
324 | #ifndef EV_HEAP_CACHE_AT |
329 | # define EV_HEAP_CACHE_AT !EV_MINIMAL |
325 | # define EV_HEAP_CACHE_AT EV_FEATURE_DATA |
330 | #endif |
326 | #endif |
331 | |
327 | |
332 | /* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */ |
328 | /* 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. */ |
329 | /* which makes programs even slower. might work on other unices, too. */ |
334 | #if EV_USE_CLOCK_SYSCALL |
330 | #if EV_USE_CLOCK_SYSCALL |
… | |
… | |
343 | # endif |
339 | # endif |
344 | #endif |
340 | #endif |
345 | |
341 | |
346 | /* this block fixes any misconfiguration where we know we run into trouble otherwise */ |
342 | /* this block fixes any misconfiguration where we know we run into trouble otherwise */ |
347 | |
343 | |
|
|
344 | #ifdef _AIX |
|
|
345 | /* AIX has a completely broken poll.h header */ |
|
|
346 | # undef EV_USE_POLL |
|
|
347 | # define EV_USE_POLL 0 |
|
|
348 | #endif |
|
|
349 | |
348 | #ifndef CLOCK_MONOTONIC |
350 | #ifndef CLOCK_MONOTONIC |
349 | # undef EV_USE_MONOTONIC |
351 | # undef EV_USE_MONOTONIC |
350 | # define EV_USE_MONOTONIC 0 |
352 | # define EV_USE_MONOTONIC 0 |
351 | #endif |
353 | #endif |
352 | |
354 | |
… | |
… | |
395 | # endif |
397 | # endif |
396 | # endif |
398 | # endif |
397 | # ifdef __cplusplus |
399 | # ifdef __cplusplus |
398 | extern "C" { |
400 | extern "C" { |
399 | # endif |
401 | # endif |
400 | int eventfd (unsigned int initval, int flags); |
402 | int (eventfd) (unsigned int initval, int flags); |
401 | # ifdef __cplusplus |
403 | # ifdef __cplusplus |
402 | } |
404 | } |
403 | # endif |
405 | # endif |
404 | #endif |
406 | #endif |
405 | |
407 | |
… | |
… | |
450 | */ |
452 | */ |
451 | #define TIME_EPSILON 0.0001220703125 /* 1/8192 */ |
453 | #define TIME_EPSILON 0.0001220703125 /* 1/8192 */ |
452 | |
454 | |
453 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
455 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
454 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
456 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
455 | /*#define CLEANUP_INTERVAL (MAX_BLOCKTIME * 5.) /* how often to try to free memory and re-check fds, TODO */ |
|
|
456 | |
457 | |
457 | #if __GNUC__ >= 4 |
458 | #if __GNUC__ >= 4 |
458 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
459 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
459 | # define noinline __attribute__ ((noinline)) |
460 | # define noinline __attribute__ ((noinline)) |
460 | #else |
461 | #else |
… | |
… | |
467 | |
468 | |
468 | #define expect_false(expr) expect ((expr) != 0, 0) |
469 | #define expect_false(expr) expect ((expr) != 0, 0) |
469 | #define expect_true(expr) expect ((expr) != 0, 1) |
470 | #define expect_true(expr) expect ((expr) != 0, 1) |
470 | #define inline_size static inline |
471 | #define inline_size static inline |
471 | |
472 | |
472 | #if EV_MINIMAL |
473 | #if EV_FEATURE_CODE |
|
|
474 | # define inline_speed static inline |
|
|
475 | #else |
473 | # define inline_speed static noinline |
476 | # define inline_speed static noinline |
474 | #else |
|
|
475 | # define inline_speed static inline |
|
|
476 | #endif |
477 | #endif |
477 | |
478 | |
478 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
479 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
479 | |
480 | |
480 | #if EV_MINPRI == EV_MAXPRI |
481 | #if EV_MINPRI == EV_MAXPRI |
… | |
… | |
505 | |
506 | |
506 | #ifndef EV_FD_TO_WIN32_HANDLE |
507 | #ifndef EV_FD_TO_WIN32_HANDLE |
507 | # define EV_FD_TO_WIN32_HANDLE(fd) _get_osfhandle (fd) |
508 | # define EV_FD_TO_WIN32_HANDLE(fd) _get_osfhandle (fd) |
508 | #endif |
509 | #endif |
509 | #ifndef EV_WIN32_HANDLE_TO_FD |
510 | #ifndef EV_WIN32_HANDLE_TO_FD |
510 | # define EV_WIN32_HANDLE_TO_FD(handle) _open_osfhandle (fd, 0) |
511 | # define EV_WIN32_HANDLE_TO_FD(handle) _open_osfhandle (handle, 0) |
511 | #endif |
512 | #endif |
512 | #ifndef EV_WIN32_CLOSE_FD |
513 | #ifndef EV_WIN32_CLOSE_FD |
513 | # define EV_WIN32_CLOSE_FD(fd) close (fd) |
514 | # define EV_WIN32_CLOSE_FD(fd) close (fd) |
514 | #endif |
515 | #endif |
515 | |
516 | |
516 | #ifdef _WIN32 |
517 | #ifdef _WIN32 |
517 | # include "ev_win32.c" |
518 | # include "ev_win32.c" |
518 | #endif |
519 | #endif |
519 | |
520 | |
520 | /*****************************************************************************/ |
521 | /*****************************************************************************/ |
|
|
522 | |
|
|
523 | #if EV_AVOID_STDIO |
|
|
524 | static void noinline |
|
|
525 | ev_printerr (const char *msg) |
|
|
526 | { |
|
|
527 | write (STDERR_FILENO, msg, strlen (msg)); |
|
|
528 | } |
|
|
529 | #endif |
521 | |
530 | |
522 | static void (*syserr_cb)(const char *msg); |
531 | static void (*syserr_cb)(const char *msg); |
523 | |
532 | |
524 | void |
533 | void |
525 | ev_set_syserr_cb (void (*cb)(const char *msg)) |
534 | ev_set_syserr_cb (void (*cb)(const char *msg)) |
… | |
… | |
535 | |
544 | |
536 | if (syserr_cb) |
545 | if (syserr_cb) |
537 | syserr_cb (msg); |
546 | syserr_cb (msg); |
538 | else |
547 | else |
539 | { |
548 | { |
|
|
549 | #if EV_AVOID_STDIO |
|
|
550 | const char *err = strerror (errno); |
|
|
551 | |
|
|
552 | ev_printerr (msg); |
|
|
553 | ev_printerr (": "); |
|
|
554 | ev_printerr (err); |
|
|
555 | ev_printerr ("\n"); |
|
|
556 | #else |
540 | perror (msg); |
557 | perror (msg); |
|
|
558 | #endif |
541 | abort (); |
559 | abort (); |
542 | } |
560 | } |
543 | } |
561 | } |
544 | |
562 | |
545 | static void * |
563 | static void * |
546 | ev_realloc_emul (void *ptr, long size) |
564 | ev_realloc_emul (void *ptr, long size) |
547 | { |
565 | { |
|
|
566 | #if __GLIBC__ |
|
|
567 | return realloc (ptr, size); |
|
|
568 | #else |
548 | /* some systems, notably openbsd and darwin, fail to properly |
569 | /* some systems, notably openbsd and darwin, fail to properly |
549 | * implement realloc (x, 0) (as required by both ansi c-98 and |
570 | * implement realloc (x, 0) (as required by both ansi c-89 and |
550 | * the single unix specification, so work around them here. |
571 | * the single unix specification, so work around them here. |
551 | */ |
572 | */ |
552 | |
573 | |
553 | if (size) |
574 | if (size) |
554 | return realloc (ptr, size); |
575 | return realloc (ptr, size); |
555 | |
576 | |
556 | free (ptr); |
577 | free (ptr); |
557 | return 0; |
578 | return 0; |
|
|
579 | #endif |
558 | } |
580 | } |
559 | |
581 | |
560 | static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; |
582 | static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; |
561 | |
583 | |
562 | void |
584 | void |
… | |
… | |
570 | { |
592 | { |
571 | ptr = alloc (ptr, size); |
593 | ptr = alloc (ptr, size); |
572 | |
594 | |
573 | if (!ptr && size) |
595 | if (!ptr && size) |
574 | { |
596 | { |
|
|
597 | #if EV_AVOID_STDIO |
|
|
598 | ev_printerr ("libev: memory allocation failed, aborting.\n"); |
|
|
599 | #else |
575 | fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); |
600 | fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); |
|
|
601 | #endif |
576 | abort (); |
602 | abort (); |
577 | } |
603 | } |
578 | |
604 | |
579 | return ptr; |
605 | return ptr; |
580 | } |
606 | } |
… | |
… | |
662 | |
688 | |
663 | static int ev_default_loop_ptr; |
689 | static int ev_default_loop_ptr; |
664 | |
690 | |
665 | #endif |
691 | #endif |
666 | |
692 | |
667 | #if EV_MINIMAL < 2 |
693 | #if EV_FEATURE_API |
668 | # define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A) |
694 | # define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A) |
669 | # define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A) |
695 | # define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A) |
670 | # define EV_INVOKE_PENDING invoke_cb (EV_A) |
696 | # define EV_INVOKE_PENDING invoke_cb (EV_A) |
671 | #else |
697 | #else |
672 | # define EV_RELEASE_CB (void)0 |
698 | # define EV_RELEASE_CB (void)0 |
… | |
… | |
857 | } |
883 | } |
858 | |
884 | |
859 | /*****************************************************************************/ |
885 | /*****************************************************************************/ |
860 | |
886 | |
861 | inline_speed void |
887 | inline_speed void |
862 | fd_event_nc (EV_P_ int fd, int revents) |
888 | fd_event_nocheck (EV_P_ int fd, int revents) |
863 | { |
889 | { |
864 | ANFD *anfd = anfds + fd; |
890 | ANFD *anfd = anfds + fd; |
865 | ev_io *w; |
891 | ev_io *w; |
866 | |
892 | |
867 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
893 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
… | |
… | |
879 | fd_event (EV_P_ int fd, int revents) |
905 | fd_event (EV_P_ int fd, int revents) |
880 | { |
906 | { |
881 | ANFD *anfd = anfds + fd; |
907 | ANFD *anfd = anfds + fd; |
882 | |
908 | |
883 | if (expect_true (!anfd->reify)) |
909 | if (expect_true (!anfd->reify)) |
884 | fd_event_nc (EV_A_ fd, revents); |
910 | fd_event_nocheck (EV_A_ fd, revents); |
885 | } |
911 | } |
886 | |
912 | |
887 | void |
913 | void |
888 | ev_feed_fd_event (EV_P_ int fd, int revents) |
914 | ev_feed_fd_event (EV_P_ int fd, int revents) |
889 | { |
915 | { |
890 | if (fd >= 0 && fd < anfdmax) |
916 | if (fd >= 0 && fd < anfdmax) |
891 | fd_event_nc (EV_A_ fd, revents); |
917 | fd_event_nocheck (EV_A_ fd, revents); |
892 | } |
918 | } |
893 | |
919 | |
894 | /* make sure the external fd watch events are in-sync */ |
920 | /* make sure the external fd watch events are in-sync */ |
895 | /* with the kernel/libev internal state */ |
921 | /* with the kernel/libev internal state */ |
896 | inline_size void |
922 | inline_size void |
… | |
… | |
959 | ev_io_stop (EV_A_ w); |
985 | ev_io_stop (EV_A_ w); |
960 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
986 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
961 | } |
987 | } |
962 | } |
988 | } |
963 | |
989 | |
964 | /* check whether the given fd is atcually valid, for error recovery */ |
990 | /* check whether the given fd is actually valid, for error recovery */ |
965 | inline_size int |
991 | inline_size int |
966 | fd_valid (int fd) |
992 | fd_valid (int fd) |
967 | { |
993 | { |
968 | #ifdef _WIN32 |
994 | #ifdef _WIN32 |
969 | return _get_osfhandle (fd) != -1; |
995 | return EV_FD_TO_WIN32_HANDLE (fd) != -1; |
970 | #else |
996 | #else |
971 | return fcntl (fd, F_GETFD) != -1; |
997 | return fcntl (fd, F_GETFD) != -1; |
972 | #endif |
998 | #endif |
973 | } |
999 | } |
974 | |
1000 | |
… | |
… | |
1009 | { |
1035 | { |
1010 | anfds [fd].events = 0; |
1036 | anfds [fd].events = 0; |
1011 | anfds [fd].emask = 0; |
1037 | anfds [fd].emask = 0; |
1012 | fd_change (EV_A_ fd, EV__IOFDSET | EV_ANFD_REIFY); |
1038 | fd_change (EV_A_ fd, EV__IOFDSET | EV_ANFD_REIFY); |
1013 | } |
1039 | } |
|
|
1040 | } |
|
|
1041 | |
|
|
1042 | /* used to prepare libev internal fd's */ |
|
|
1043 | /* this is not fork-safe */ |
|
|
1044 | inline_speed void |
|
|
1045 | fd_intern (int fd) |
|
|
1046 | { |
|
|
1047 | #ifdef _WIN32 |
|
|
1048 | unsigned long arg = 1; |
|
|
1049 | ioctlsocket (EV_FD_TO_WIN32_HANDLE (fd), FIONBIO, &arg); |
|
|
1050 | #else |
|
|
1051 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
|
|
1052 | fcntl (fd, F_SETFL, O_NONBLOCK); |
|
|
1053 | #endif |
1014 | } |
1054 | } |
1015 | |
1055 | |
1016 | /*****************************************************************************/ |
1056 | /*****************************************************************************/ |
1017 | |
1057 | |
1018 | /* |
1058 | /* |
… | |
… | |
1172 | |
1212 | |
1173 | static ANSIG signals [EV_NSIG - 1]; |
1213 | static ANSIG signals [EV_NSIG - 1]; |
1174 | |
1214 | |
1175 | /*****************************************************************************/ |
1215 | /*****************************************************************************/ |
1176 | |
1216 | |
1177 | /* used to prepare libev internal fd's */ |
1217 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
1178 | /* this is not fork-safe */ |
|
|
1179 | inline_speed void |
|
|
1180 | fd_intern (int fd) |
|
|
1181 | { |
|
|
1182 | #ifdef _WIN32 |
|
|
1183 | unsigned long arg = 1; |
|
|
1184 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
|
|
1185 | #else |
|
|
1186 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
|
|
1187 | fcntl (fd, F_SETFL, O_NONBLOCK); |
|
|
1188 | #endif |
|
|
1189 | } |
|
|
1190 | |
1218 | |
1191 | static void noinline |
1219 | static void noinline |
1192 | evpipe_init (EV_P) |
1220 | evpipe_init (EV_P) |
1193 | { |
1221 | { |
1194 | if (!ev_is_active (&pipe_w)) |
1222 | if (!ev_is_active (&pipe_w)) |
1195 | { |
1223 | { |
1196 | #if EV_USE_EVENTFD |
1224 | # if EV_USE_EVENTFD |
1197 | evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC); |
1225 | evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC); |
1198 | if (evfd < 0 && errno == EINVAL) |
1226 | if (evfd < 0 && errno == EINVAL) |
1199 | evfd = eventfd (0, 0); |
1227 | evfd = eventfd (0, 0); |
1200 | |
1228 | |
1201 | if (evfd >= 0) |
1229 | if (evfd >= 0) |
… | |
… | |
1203 | evpipe [0] = -1; |
1231 | evpipe [0] = -1; |
1204 | fd_intern (evfd); /* doing it twice doesn't hurt */ |
1232 | fd_intern (evfd); /* doing it twice doesn't hurt */ |
1205 | ev_io_set (&pipe_w, evfd, EV_READ); |
1233 | ev_io_set (&pipe_w, evfd, EV_READ); |
1206 | } |
1234 | } |
1207 | else |
1235 | else |
1208 | #endif |
1236 | # endif |
1209 | { |
1237 | { |
1210 | while (pipe (evpipe)) |
1238 | while (pipe (evpipe)) |
1211 | ev_syserr ("(libev) error creating signal/async pipe"); |
1239 | ev_syserr ("(libev) error creating signal/async pipe"); |
1212 | |
1240 | |
1213 | fd_intern (evpipe [0]); |
1241 | fd_intern (evpipe [0]); |
… | |
… | |
1224 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
1252 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
1225 | { |
1253 | { |
1226 | if (!*flag) |
1254 | if (!*flag) |
1227 | { |
1255 | { |
1228 | int old_errno = errno; /* save errno because write might clobber it */ |
1256 | int old_errno = errno; /* save errno because write might clobber it */ |
|
|
1257 | char dummy; |
1229 | |
1258 | |
1230 | *flag = 1; |
1259 | *flag = 1; |
1231 | |
1260 | |
1232 | #if EV_USE_EVENTFD |
1261 | #if EV_USE_EVENTFD |
1233 | if (evfd >= 0) |
1262 | if (evfd >= 0) |
… | |
… | |
1235 | uint64_t counter = 1; |
1264 | uint64_t counter = 1; |
1236 | write (evfd, &counter, sizeof (uint64_t)); |
1265 | write (evfd, &counter, sizeof (uint64_t)); |
1237 | } |
1266 | } |
1238 | else |
1267 | else |
1239 | #endif |
1268 | #endif |
1240 | write (evpipe [1], &old_errno, 1); |
1269 | write (evpipe [1], &dummy, 1); |
1241 | |
1270 | |
1242 | errno = old_errno; |
1271 | errno = old_errno; |
1243 | } |
1272 | } |
1244 | } |
1273 | } |
1245 | |
1274 | |
… | |
… | |
1294 | { |
1323 | { |
1295 | #if EV_MULTIPLICITY |
1324 | #if EV_MULTIPLICITY |
1296 | EV_P = signals [signum - 1].loop; |
1325 | EV_P = signals [signum - 1].loop; |
1297 | #endif |
1326 | #endif |
1298 | |
1327 | |
1299 | #if _WIN32 |
1328 | #ifdef _WIN32 |
1300 | signal (signum, ev_sighandler); |
1329 | signal (signum, ev_sighandler); |
1301 | #endif |
1330 | #endif |
1302 | |
1331 | |
1303 | signals [signum - 1].pending = 1; |
1332 | signals [signum - 1].pending = 1; |
1304 | evpipe_write (EV_A_ &sig_pending); |
1333 | evpipe_write (EV_A_ &sig_pending); |
… | |
… | |
1346 | break; |
1375 | break; |
1347 | } |
1376 | } |
1348 | } |
1377 | } |
1349 | #endif |
1378 | #endif |
1350 | |
1379 | |
|
|
1380 | #endif |
|
|
1381 | |
1351 | /*****************************************************************************/ |
1382 | /*****************************************************************************/ |
1352 | |
1383 | |
|
|
1384 | #if EV_CHILD_ENABLE |
1353 | static WL childs [EV_PID_HASHSIZE]; |
1385 | static WL childs [EV_PID_HASHSIZE]; |
1354 | |
|
|
1355 | #ifndef _WIN32 |
|
|
1356 | |
1386 | |
1357 | static ev_signal childev; |
1387 | static ev_signal childev; |
1358 | |
1388 | |
1359 | #ifndef WIFCONTINUED |
1389 | #ifndef WIFCONTINUED |
1360 | # define WIFCONTINUED(status) 0 |
1390 | # define WIFCONTINUED(status) 0 |
… | |
… | |
1365 | child_reap (EV_P_ int chain, int pid, int status) |
1395 | child_reap (EV_P_ int chain, int pid, int status) |
1366 | { |
1396 | { |
1367 | ev_child *w; |
1397 | ev_child *w; |
1368 | int traced = WIFSTOPPED (status) || WIFCONTINUED (status); |
1398 | int traced = WIFSTOPPED (status) || WIFCONTINUED (status); |
1369 | |
1399 | |
1370 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
1400 | for (w = (ev_child *)childs [chain & ((EV_PID_HASHSIZE) - 1)]; w; w = (ev_child *)((WL)w)->next) |
1371 | { |
1401 | { |
1372 | if ((w->pid == pid || !w->pid) |
1402 | if ((w->pid == pid || !w->pid) |
1373 | && (!traced || (w->flags & 1))) |
1403 | && (!traced || (w->flags & 1))) |
1374 | { |
1404 | { |
1375 | ev_set_priority (w, EV_MAXPRI); /* need to do it *now*, this *must* be the same prio as the signal watcher itself */ |
1405 | ev_set_priority (w, EV_MAXPRI); /* need to do it *now*, this *must* be the same prio as the signal watcher itself */ |
… | |
… | |
1400 | /* make sure we are called again until all children have been reaped */ |
1430 | /* make sure we are called again until all children have been reaped */ |
1401 | /* we need to do it this way so that the callback gets called before we continue */ |
1431 | /* we need to do it this way so that the callback gets called before we continue */ |
1402 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
1432 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
1403 | |
1433 | |
1404 | child_reap (EV_A_ pid, pid, status); |
1434 | child_reap (EV_A_ pid, pid, status); |
1405 | if (EV_PID_HASHSIZE > 1) |
1435 | if ((EV_PID_HASHSIZE) > 1) |
1406 | child_reap (EV_A_ 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
1436 | child_reap (EV_A_ 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
1407 | } |
1437 | } |
1408 | |
1438 | |
1409 | #endif |
1439 | #endif |
1410 | |
1440 | |
… | |
… | |
1499 | ev_backend (EV_P) |
1529 | ev_backend (EV_P) |
1500 | { |
1530 | { |
1501 | return backend; |
1531 | return backend; |
1502 | } |
1532 | } |
1503 | |
1533 | |
1504 | #if EV_MINIMAL < 2 |
1534 | #if EV_FEATURE_API |
1505 | unsigned int |
1535 | unsigned int |
1506 | ev_loop_count (EV_P) |
1536 | ev_loop_count (EV_P) |
1507 | { |
1537 | { |
1508 | return loop_count; |
1538 | return loop_count; |
1509 | } |
1539 | } |
… | |
… | |
1589 | |
1619 | |
1590 | ev_rt_now = ev_time (); |
1620 | ev_rt_now = ev_time (); |
1591 | mn_now = get_clock (); |
1621 | mn_now = get_clock (); |
1592 | now_floor = mn_now; |
1622 | now_floor = mn_now; |
1593 | rtmn_diff = ev_rt_now - mn_now; |
1623 | rtmn_diff = ev_rt_now - mn_now; |
1594 | #if EV_MINIMAL < 2 |
1624 | #if EV_FEATURE_API |
1595 | invoke_cb = ev_invoke_pending; |
1625 | invoke_cb = ev_invoke_pending; |
1596 | #endif |
1626 | #endif |
1597 | |
1627 | |
1598 | io_blocktime = 0.; |
1628 | io_blocktime = 0.; |
1599 | timeout_blocktime = 0.; |
1629 | timeout_blocktime = 0.; |
… | |
… | |
1605 | #endif |
1635 | #endif |
1606 | #if EV_USE_INOTIFY |
1636 | #if EV_USE_INOTIFY |
1607 | fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2; |
1637 | fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2; |
1608 | #endif |
1638 | #endif |
1609 | #if EV_USE_SIGNALFD |
1639 | #if EV_USE_SIGNALFD |
1610 | sigfd = flags & EVFLAG_NOSIGFD ? -1 : -2; |
1640 | sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1; |
1611 | #endif |
1641 | #endif |
1612 | |
1642 | |
1613 | if (!(flags & 0x0000ffffU)) |
1643 | if (!(flags & 0x0000ffffU)) |
1614 | flags |= ev_recommended_backends (); |
1644 | flags |= ev_recommended_backends (); |
1615 | |
1645 | |
… | |
… | |
1629 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
1659 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
1630 | #endif |
1660 | #endif |
1631 | |
1661 | |
1632 | ev_prepare_init (&pending_w, pendingcb); |
1662 | ev_prepare_init (&pending_w, pendingcb); |
1633 | |
1663 | |
|
|
1664 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
1634 | ev_init (&pipe_w, pipecb); |
1665 | ev_init (&pipe_w, pipecb); |
1635 | ev_set_priority (&pipe_w, EV_MAXPRI); |
1666 | ev_set_priority (&pipe_w, EV_MAXPRI); |
|
|
1667 | #endif |
1636 | } |
1668 | } |
1637 | } |
1669 | } |
1638 | |
1670 | |
1639 | /* free up a loop structure */ |
1671 | /* free up a loop structure */ |
1640 | static void noinline |
1672 | static void noinline |
… | |
… | |
1659 | } |
1691 | } |
1660 | } |
1692 | } |
1661 | |
1693 | |
1662 | #if EV_USE_SIGNALFD |
1694 | #if EV_USE_SIGNALFD |
1663 | if (ev_is_active (&sigfd_w)) |
1695 | if (ev_is_active (&sigfd_w)) |
1664 | { |
|
|
1665 | /*ev_ref (EV_A);*/ |
|
|
1666 | /*ev_io_stop (EV_A_ &sigfd_w);*/ |
|
|
1667 | |
|
|
1668 | close (sigfd); |
1696 | close (sigfd); |
1669 | } |
|
|
1670 | #endif |
1697 | #endif |
1671 | |
1698 | |
1672 | #if EV_USE_INOTIFY |
1699 | #if EV_USE_INOTIFY |
1673 | if (fs_fd >= 0) |
1700 | if (fs_fd >= 0) |
1674 | close (fs_fd); |
1701 | close (fs_fd); |
… | |
… | |
1763 | { |
1790 | { |
1764 | EV_WIN32_CLOSE_FD (evpipe [0]); |
1791 | EV_WIN32_CLOSE_FD (evpipe [0]); |
1765 | EV_WIN32_CLOSE_FD (evpipe [1]); |
1792 | EV_WIN32_CLOSE_FD (evpipe [1]); |
1766 | } |
1793 | } |
1767 | |
1794 | |
|
|
1795 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
1768 | evpipe_init (EV_A); |
1796 | evpipe_init (EV_A); |
1769 | /* now iterate over everything, in case we missed something */ |
1797 | /* now iterate over everything, in case we missed something */ |
1770 | pipecb (EV_A_ &pipe_w, EV_READ); |
1798 | pipecb (EV_A_ &pipe_w, EV_READ); |
|
|
1799 | #endif |
1771 | } |
1800 | } |
1772 | |
1801 | |
1773 | postfork = 0; |
1802 | postfork = 0; |
1774 | } |
1803 | } |
1775 | |
1804 | |
… | |
… | |
1837 | verify_watcher (EV_A_ ws [cnt]); |
1866 | verify_watcher (EV_A_ ws [cnt]); |
1838 | } |
1867 | } |
1839 | } |
1868 | } |
1840 | #endif |
1869 | #endif |
1841 | |
1870 | |
1842 | #if EV_MINIMAL < 2 |
1871 | #if EV_FEATURE_API |
1843 | void |
1872 | void |
1844 | ev_loop_verify (EV_P) |
1873 | ev_loop_verify (EV_P) |
1845 | { |
1874 | { |
1846 | #if EV_VERIFY |
1875 | #if EV_VERIFY |
1847 | int i; |
1876 | int i; |
… | |
… | |
1888 | #if EV_ASYNC_ENABLE |
1917 | #if EV_ASYNC_ENABLE |
1889 | assert (asyncmax >= asynccnt); |
1918 | assert (asyncmax >= asynccnt); |
1890 | array_verify (EV_A_ (W *)asyncs, asynccnt); |
1919 | array_verify (EV_A_ (W *)asyncs, asynccnt); |
1891 | #endif |
1920 | #endif |
1892 | |
1921 | |
|
|
1922 | #if EV_PREPARE_ENABLE |
1893 | assert (preparemax >= preparecnt); |
1923 | assert (preparemax >= preparecnt); |
1894 | array_verify (EV_A_ (W *)prepares, preparecnt); |
1924 | array_verify (EV_A_ (W *)prepares, preparecnt); |
|
|
1925 | #endif |
1895 | |
1926 | |
|
|
1927 | #if EV_CHECK_ENABLE |
1896 | assert (checkmax >= checkcnt); |
1928 | assert (checkmax >= checkcnt); |
1897 | array_verify (EV_A_ (W *)checks, checkcnt); |
1929 | array_verify (EV_A_ (W *)checks, checkcnt); |
|
|
1930 | #endif |
1898 | |
1931 | |
1899 | # if 0 |
1932 | # if 0 |
|
|
1933 | #if EV_CHILD_ENABLE |
1900 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
1934 | for (w = (ev_child *)childs [chain & ((EV_PID_HASHSIZE) - 1)]; w; w = (ev_child *)((WL)w)->next) |
1901 | for (signum = EV_NSIG; signum--; ) if (signals [signum].pending) |
1935 | for (signum = EV_NSIG; signum--; ) if (signals [signum].pending) |
|
|
1936 | #endif |
1902 | # endif |
1937 | # endif |
1903 | #endif |
1938 | #endif |
1904 | } |
1939 | } |
1905 | #endif |
1940 | #endif |
1906 | |
1941 | |
… | |
… | |
1922 | |
1957 | |
1923 | loop_init (EV_A_ flags); |
1958 | loop_init (EV_A_ flags); |
1924 | |
1959 | |
1925 | if (ev_backend (EV_A)) |
1960 | if (ev_backend (EV_A)) |
1926 | { |
1961 | { |
1927 | #ifndef _WIN32 |
1962 | #if EV_CHILD_ENABLE |
1928 | ev_signal_init (&childev, childcb, SIGCHLD); |
1963 | ev_signal_init (&childev, childcb, SIGCHLD); |
1929 | ev_set_priority (&childev, EV_MAXPRI); |
1964 | ev_set_priority (&childev, EV_MAXPRI); |
1930 | ev_signal_start (EV_A_ &childev); |
1965 | ev_signal_start (EV_A_ &childev); |
1931 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
1966 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
1932 | #endif |
1967 | #endif |
… | |
… | |
1945 | EV_P = ev_default_loop_ptr; |
1980 | EV_P = ev_default_loop_ptr; |
1946 | #endif |
1981 | #endif |
1947 | |
1982 | |
1948 | ev_default_loop_ptr = 0; |
1983 | ev_default_loop_ptr = 0; |
1949 | |
1984 | |
1950 | #ifndef _WIN32 |
1985 | #if EV_CHILD_ENABLE |
1951 | ev_ref (EV_A); /* child watcher */ |
1986 | ev_ref (EV_A); /* child watcher */ |
1952 | ev_signal_stop (EV_A_ &childev); |
1987 | ev_signal_stop (EV_A_ &childev); |
1953 | #endif |
1988 | #endif |
1954 | |
1989 | |
1955 | loop_destroy (EV_A); |
1990 | loop_destroy (EV_A); |
… | |
… | |
2162 | ANHE_at_cache (*he); |
2197 | ANHE_at_cache (*he); |
2163 | } |
2198 | } |
2164 | } |
2199 | } |
2165 | |
2200 | |
2166 | /* fetch new monotonic and realtime times from the kernel */ |
2201 | /* fetch new monotonic and realtime times from the kernel */ |
2167 | /* also detetc if there was a timejump, and act accordingly */ |
2202 | /* also detect if there was a timejump, and act accordingly */ |
2168 | inline_speed void |
2203 | inline_speed void |
2169 | time_update (EV_P_ ev_tstamp max_block) |
2204 | time_update (EV_P_ ev_tstamp max_block) |
2170 | { |
2205 | { |
2171 | #if EV_USE_MONOTONIC |
2206 | #if EV_USE_MONOTONIC |
2172 | if (expect_true (have_monotonic)) |
2207 | if (expect_true (have_monotonic)) |
… | |
… | |
2232 | } |
2267 | } |
2233 | |
2268 | |
2234 | void |
2269 | void |
2235 | ev_loop (EV_P_ int flags) |
2270 | ev_loop (EV_P_ int flags) |
2236 | { |
2271 | { |
2237 | #if EV_MINIMAL < 2 |
2272 | #if EV_FEATURE_API |
2238 | ++loop_depth; |
2273 | ++loop_depth; |
2239 | #endif |
2274 | #endif |
2240 | |
2275 | |
2241 | assert (("libev: ev_loop recursion during release detected", loop_done != EVUNLOOP_RECURSE)); |
2276 | assert (("libev: ev_loop recursion during release detected", loop_done != EVUNLOOP_RECURSE)); |
2242 | |
2277 | |
… | |
… | |
2267 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
2302 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
2268 | EV_INVOKE_PENDING; |
2303 | EV_INVOKE_PENDING; |
2269 | } |
2304 | } |
2270 | #endif |
2305 | #endif |
2271 | |
2306 | |
|
|
2307 | #if EV_PREPARE_ENABLE |
2272 | /* queue prepare watchers (and execute them) */ |
2308 | /* queue prepare watchers (and execute them) */ |
2273 | if (expect_false (preparecnt)) |
2309 | if (expect_false (preparecnt)) |
2274 | { |
2310 | { |
2275 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
2311 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
2276 | EV_INVOKE_PENDING; |
2312 | EV_INVOKE_PENDING; |
2277 | } |
2313 | } |
|
|
2314 | #endif |
2278 | |
2315 | |
2279 | if (expect_false (loop_done)) |
2316 | if (expect_false (loop_done)) |
2280 | break; |
2317 | break; |
2281 | |
2318 | |
2282 | /* we might have forked, so reify kernel state if necessary */ |
2319 | /* we might have forked, so reify kernel state if necessary */ |
… | |
… | |
2333 | waittime -= sleeptime; |
2370 | waittime -= sleeptime; |
2334 | } |
2371 | } |
2335 | } |
2372 | } |
2336 | } |
2373 | } |
2337 | |
2374 | |
2338 | #if EV_MINIMAL < 2 |
2375 | #if EV_FEATURE_API |
2339 | ++loop_count; |
2376 | ++loop_count; |
2340 | #endif |
2377 | #endif |
2341 | assert ((loop_done = EVUNLOOP_RECURSE, 1)); /* assert for side effect */ |
2378 | assert ((loop_done = EVUNLOOP_RECURSE, 1)); /* assert for side effect */ |
2342 | backend_poll (EV_A_ waittime); |
2379 | backend_poll (EV_A_ waittime); |
2343 | assert ((loop_done = EVUNLOOP_CANCEL, 1)); /* assert for side effect */ |
2380 | assert ((loop_done = EVUNLOOP_CANCEL, 1)); /* assert for side effect */ |
… | |
… | |
2355 | #if EV_IDLE_ENABLE |
2392 | #if EV_IDLE_ENABLE |
2356 | /* queue idle watchers unless other events are pending */ |
2393 | /* queue idle watchers unless other events are pending */ |
2357 | idle_reify (EV_A); |
2394 | idle_reify (EV_A); |
2358 | #endif |
2395 | #endif |
2359 | |
2396 | |
|
|
2397 | #if EV_CHECK_ENABLE |
2360 | /* queue check watchers, to be executed first */ |
2398 | /* queue check watchers, to be executed first */ |
2361 | if (expect_false (checkcnt)) |
2399 | if (expect_false (checkcnt)) |
2362 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
2400 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
|
|
2401 | #endif |
2363 | |
2402 | |
2364 | EV_INVOKE_PENDING; |
2403 | EV_INVOKE_PENDING; |
2365 | } |
2404 | } |
2366 | while (expect_true ( |
2405 | while (expect_true ( |
2367 | activecnt |
2406 | activecnt |
… | |
… | |
2370 | )); |
2409 | )); |
2371 | |
2410 | |
2372 | if (loop_done == EVUNLOOP_ONE) |
2411 | if (loop_done == EVUNLOOP_ONE) |
2373 | loop_done = EVUNLOOP_CANCEL; |
2412 | loop_done = EVUNLOOP_CANCEL; |
2374 | |
2413 | |
2375 | #if EV_MINIMAL < 2 |
2414 | #if EV_FEATURE_API |
2376 | --loop_depth; |
2415 | --loop_depth; |
2377 | #endif |
2416 | #endif |
2378 | } |
2417 | } |
2379 | |
2418 | |
2380 | void |
2419 | void |
… | |
… | |
2506 | |
2545 | |
2507 | if (expect_false (ev_is_active (w))) |
2546 | if (expect_false (ev_is_active (w))) |
2508 | return; |
2547 | return; |
2509 | |
2548 | |
2510 | assert (("libev: ev_io_start called with negative fd", fd >= 0)); |
2549 | assert (("libev: ev_io_start called with negative fd", fd >= 0)); |
2511 | assert (("libev: ev_io start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); |
2550 | assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); |
2512 | |
2551 | |
2513 | EV_FREQUENT_CHECK; |
2552 | EV_FREQUENT_CHECK; |
2514 | |
2553 | |
2515 | ev_start (EV_A_ (W)w, 1); |
2554 | ev_start (EV_A_ (W)w, 1); |
2516 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
2555 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
… | |
… | |
2586 | timers [active] = timers [timercnt + HEAP0]; |
2625 | timers [active] = timers [timercnt + HEAP0]; |
2587 | adjustheap (timers, timercnt, active); |
2626 | adjustheap (timers, timercnt, active); |
2588 | } |
2627 | } |
2589 | } |
2628 | } |
2590 | |
2629 | |
2591 | EV_FREQUENT_CHECK; |
|
|
2592 | |
|
|
2593 | ev_at (w) -= mn_now; |
2630 | ev_at (w) -= mn_now; |
2594 | |
2631 | |
2595 | ev_stop (EV_A_ (W)w); |
2632 | ev_stop (EV_A_ (W)w); |
|
|
2633 | |
|
|
2634 | EV_FREQUENT_CHECK; |
2596 | } |
2635 | } |
2597 | |
2636 | |
2598 | void noinline |
2637 | void noinline |
2599 | ev_timer_again (EV_P_ ev_timer *w) |
2638 | ev_timer_again (EV_P_ ev_timer *w) |
2600 | { |
2639 | { |
… | |
… | |
2679 | periodics [active] = periodics [periodiccnt + HEAP0]; |
2718 | periodics [active] = periodics [periodiccnt + HEAP0]; |
2680 | adjustheap (periodics, periodiccnt, active); |
2719 | adjustheap (periodics, periodiccnt, active); |
2681 | } |
2720 | } |
2682 | } |
2721 | } |
2683 | |
2722 | |
2684 | EV_FREQUENT_CHECK; |
|
|
2685 | |
|
|
2686 | ev_stop (EV_A_ (W)w); |
2723 | ev_stop (EV_A_ (W)w); |
|
|
2724 | |
|
|
2725 | EV_FREQUENT_CHECK; |
2687 | } |
2726 | } |
2688 | |
2727 | |
2689 | void noinline |
2728 | void noinline |
2690 | ev_periodic_again (EV_P_ ev_periodic *w) |
2729 | ev_periodic_again (EV_P_ ev_periodic *w) |
2691 | { |
2730 | { |
… | |
… | |
2696 | #endif |
2735 | #endif |
2697 | |
2736 | |
2698 | #ifndef SA_RESTART |
2737 | #ifndef SA_RESTART |
2699 | # define SA_RESTART 0 |
2738 | # define SA_RESTART 0 |
2700 | #endif |
2739 | #endif |
|
|
2740 | |
|
|
2741 | #if EV_SIGNAL_ENABLE |
2701 | |
2742 | |
2702 | void noinline |
2743 | void noinline |
2703 | ev_signal_start (EV_P_ ev_signal *w) |
2744 | ev_signal_start (EV_P_ ev_signal *w) |
2704 | { |
2745 | { |
2705 | if (expect_false (ev_is_active (w))) |
2746 | if (expect_false (ev_is_active (w))) |
… | |
… | |
2752 | if (!((WL)w)->next) |
2793 | if (!((WL)w)->next) |
2753 | # if EV_USE_SIGNALFD |
2794 | # if EV_USE_SIGNALFD |
2754 | if (sigfd < 0) /*TODO*/ |
2795 | if (sigfd < 0) /*TODO*/ |
2755 | # endif |
2796 | # endif |
2756 | { |
2797 | { |
2757 | # if _WIN32 |
2798 | # ifdef _WIN32 |
|
|
2799 | evpipe_init (EV_A); |
|
|
2800 | |
2758 | signal (w->signum, ev_sighandler); |
2801 | signal (w->signum, ev_sighandler); |
2759 | # else |
2802 | # else |
2760 | struct sigaction sa; |
2803 | struct sigaction sa; |
2761 | |
2804 | |
2762 | evpipe_init (EV_A); |
2805 | evpipe_init (EV_A); |
… | |
… | |
2793 | signals [w->signum - 1].loop = 0; /* unattach from signal */ |
2836 | signals [w->signum - 1].loop = 0; /* unattach from signal */ |
2794 | #endif |
2837 | #endif |
2795 | #if EV_USE_SIGNALFD |
2838 | #if EV_USE_SIGNALFD |
2796 | if (sigfd >= 0) |
2839 | if (sigfd >= 0) |
2797 | { |
2840 | { |
2798 | sigprocmask (SIG_UNBLOCK, &sigfd_set, 0);//D |
2841 | sigset_t ss; |
|
|
2842 | |
|
|
2843 | sigemptyset (&ss); |
|
|
2844 | sigaddset (&ss, w->signum); |
2799 | sigdelset (&sigfd_set, w->signum); |
2845 | sigdelset (&sigfd_set, w->signum); |
|
|
2846 | |
2800 | signalfd (sigfd, &sigfd_set, 0); |
2847 | signalfd (sigfd, &sigfd_set, 0); |
2801 | sigprocmask (SIG_BLOCK, &sigfd_set, 0);//D |
2848 | sigprocmask (SIG_UNBLOCK, &ss, 0); |
2802 | /*TODO: maybe unblock signal? */ |
|
|
2803 | } |
2849 | } |
2804 | else |
2850 | else |
2805 | #endif |
2851 | #endif |
2806 | signal (w->signum, SIG_DFL); |
2852 | signal (w->signum, SIG_DFL); |
2807 | } |
2853 | } |
2808 | |
2854 | |
2809 | EV_FREQUENT_CHECK; |
2855 | EV_FREQUENT_CHECK; |
2810 | } |
2856 | } |
2811 | |
2857 | |
|
|
2858 | #endif |
|
|
2859 | |
|
|
2860 | #if EV_CHILD_ENABLE |
|
|
2861 | |
2812 | void |
2862 | void |
2813 | ev_child_start (EV_P_ ev_child *w) |
2863 | ev_child_start (EV_P_ ev_child *w) |
2814 | { |
2864 | { |
2815 | #if EV_MULTIPLICITY |
2865 | #if EV_MULTIPLICITY |
2816 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
2866 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
… | |
… | |
2819 | return; |
2869 | return; |
2820 | |
2870 | |
2821 | EV_FREQUENT_CHECK; |
2871 | EV_FREQUENT_CHECK; |
2822 | |
2872 | |
2823 | ev_start (EV_A_ (W)w, 1); |
2873 | ev_start (EV_A_ (W)w, 1); |
2824 | wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
2874 | wlist_add (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w); |
2825 | |
2875 | |
2826 | EV_FREQUENT_CHECK; |
2876 | EV_FREQUENT_CHECK; |
2827 | } |
2877 | } |
2828 | |
2878 | |
2829 | void |
2879 | void |
… | |
… | |
2833 | if (expect_false (!ev_is_active (w))) |
2883 | if (expect_false (!ev_is_active (w))) |
2834 | return; |
2884 | return; |
2835 | |
2885 | |
2836 | EV_FREQUENT_CHECK; |
2886 | EV_FREQUENT_CHECK; |
2837 | |
2887 | |
2838 | wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
2888 | wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w); |
2839 | ev_stop (EV_A_ (W)w); |
2889 | ev_stop (EV_A_ (W)w); |
2840 | |
2890 | |
2841 | EV_FREQUENT_CHECK; |
2891 | EV_FREQUENT_CHECK; |
2842 | } |
2892 | } |
|
|
2893 | |
|
|
2894 | #endif |
2843 | |
2895 | |
2844 | #if EV_STAT_ENABLE |
2896 | #if EV_STAT_ENABLE |
2845 | |
2897 | |
2846 | # ifdef _WIN32 |
2898 | # ifdef _WIN32 |
2847 | # undef lstat |
2899 | # undef lstat |
… | |
… | |
2853 | #define MIN_STAT_INTERVAL 0.1074891 |
2905 | #define MIN_STAT_INTERVAL 0.1074891 |
2854 | |
2906 | |
2855 | static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
2907 | static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
2856 | |
2908 | |
2857 | #if EV_USE_INOTIFY |
2909 | #if EV_USE_INOTIFY |
2858 | # define EV_INOTIFY_BUFSIZE 8192 |
2910 | |
|
|
2911 | /* the * 2 is to allow for alignment padding, which for some reason is >> 8 */ |
|
|
2912 | # define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX) |
2859 | |
2913 | |
2860 | static void noinline |
2914 | static void noinline |
2861 | infy_add (EV_P_ ev_stat *w) |
2915 | infy_add (EV_P_ ev_stat *w) |
2862 | { |
2916 | { |
2863 | 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); |
2917 | 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); |
2864 | |
2918 | |
2865 | if (w->wd < 0) |
2919 | if (w->wd >= 0) |
|
|
2920 | { |
|
|
2921 | struct statfs sfs; |
|
|
2922 | |
|
|
2923 | /* now local changes will be tracked by inotify, but remote changes won't */ |
|
|
2924 | /* unless the filesystem is known to be local, we therefore still poll */ |
|
|
2925 | /* also do poll on <2.6.25, but with normal frequency */ |
|
|
2926 | |
|
|
2927 | if (!fs_2625) |
|
|
2928 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
|
|
2929 | else if (!statfs (w->path, &sfs) |
|
|
2930 | && (sfs.f_type == 0x1373 /* devfs */ |
|
|
2931 | || sfs.f_type == 0xEF53 /* ext2/3 */ |
|
|
2932 | || sfs.f_type == 0x3153464a /* jfs */ |
|
|
2933 | || sfs.f_type == 0x52654973 /* reiser3 */ |
|
|
2934 | || sfs.f_type == 0x01021994 /* tempfs */ |
|
|
2935 | || sfs.f_type == 0x58465342 /* xfs */)) |
|
|
2936 | w->timer.repeat = 0.; /* filesystem is local, kernel new enough */ |
|
|
2937 | else |
|
|
2938 | w->timer.repeat = w->interval ? w->interval : NFS_STAT_INTERVAL; /* remote, use reduced frequency */ |
2866 | { |
2939 | } |
|
|
2940 | else |
|
|
2941 | { |
|
|
2942 | /* can't use inotify, continue to stat */ |
2867 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
2943 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
2868 | ev_timer_again (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */ |
|
|
2869 | |
2944 | |
2870 | /* monitor some parent directory for speedup hints */ |
2945 | /* if path is not there, monitor some parent directory for speedup hints */ |
2871 | /* note that exceeding the hardcoded path limit is not a correctness issue, */ |
2946 | /* note that exceeding the hardcoded path limit is not a correctness issue, */ |
2872 | /* but an efficiency issue only */ |
2947 | /* but an efficiency issue only */ |
2873 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
2948 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
2874 | { |
2949 | { |
2875 | char path [4096]; |
2950 | char path [4096]; |
… | |
… | |
2891 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
2966 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
2892 | } |
2967 | } |
2893 | } |
2968 | } |
2894 | |
2969 | |
2895 | if (w->wd >= 0) |
2970 | if (w->wd >= 0) |
2896 | { |
|
|
2897 | struct statfs sfs; |
|
|
2898 | |
|
|
2899 | wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
2971 | wlist_add (&fs_hash [w->wd & ((EV_INOTIFY_HASHSIZE) - 1)].head, (WL)w); |
2900 | |
2972 | |
2901 | /* now local changes will be tracked by inotify, but remote changes won't */ |
2973 | /* now re-arm timer, if required */ |
2902 | /* unless the filesystem it known to be local, we therefore still poll */ |
2974 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
2903 | /* also do poll on <2.6.25, but with normal frequency */ |
|
|
2904 | |
|
|
2905 | if (fs_2625 && !statfs (w->path, &sfs)) |
|
|
2906 | if (sfs.f_type == 0x1373 /* devfs */ |
|
|
2907 | || sfs.f_type == 0xEF53 /* ext2/3 */ |
|
|
2908 | || sfs.f_type == 0x3153464a /* jfs */ |
|
|
2909 | || sfs.f_type == 0x52654973 /* reiser3 */ |
|
|
2910 | || sfs.f_type == 0x01021994 /* tempfs */ |
|
|
2911 | || sfs.f_type == 0x58465342 /* xfs */) |
|
|
2912 | return; |
|
|
2913 | |
|
|
2914 | w->timer.repeat = w->interval ? w->interval : fs_2625 ? NFS_STAT_INTERVAL : DEF_STAT_INTERVAL; |
|
|
2915 | ev_timer_again (EV_A_ &w->timer); |
2975 | ev_timer_again (EV_A_ &w->timer); |
2916 | } |
2976 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
2917 | } |
2977 | } |
2918 | |
2978 | |
2919 | static void noinline |
2979 | static void noinline |
2920 | infy_del (EV_P_ ev_stat *w) |
2980 | infy_del (EV_P_ ev_stat *w) |
2921 | { |
2981 | { |
… | |
… | |
2924 | |
2984 | |
2925 | if (wd < 0) |
2985 | if (wd < 0) |
2926 | return; |
2986 | return; |
2927 | |
2987 | |
2928 | w->wd = -2; |
2988 | w->wd = -2; |
2929 | slot = wd & (EV_INOTIFY_HASHSIZE - 1); |
2989 | slot = wd & ((EV_INOTIFY_HASHSIZE) - 1); |
2930 | wlist_del (&fs_hash [slot].head, (WL)w); |
2990 | wlist_del (&fs_hash [slot].head, (WL)w); |
2931 | |
2991 | |
2932 | /* remove this watcher, if others are watching it, they will rearm */ |
2992 | /* remove this watcher, if others are watching it, they will rearm */ |
2933 | inotify_rm_watch (fs_fd, wd); |
2993 | inotify_rm_watch (fs_fd, wd); |
2934 | } |
2994 | } |
… | |
… | |
2936 | static void noinline |
2996 | static void noinline |
2937 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
2997 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
2938 | { |
2998 | { |
2939 | if (slot < 0) |
2999 | if (slot < 0) |
2940 | /* overflow, need to check for all hash slots */ |
3000 | /* overflow, need to check for all hash slots */ |
2941 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
3001 | for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot) |
2942 | infy_wd (EV_A_ slot, wd, ev); |
3002 | infy_wd (EV_A_ slot, wd, ev); |
2943 | else |
3003 | else |
2944 | { |
3004 | { |
2945 | WL w_; |
3005 | WL w_; |
2946 | |
3006 | |
2947 | for (w_ = fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head; w_; ) |
3007 | for (w_ = fs_hash [slot & ((EV_INOTIFY_HASHSIZE) - 1)].head; w_; ) |
2948 | { |
3008 | { |
2949 | ev_stat *w = (ev_stat *)w_; |
3009 | ev_stat *w = (ev_stat *)w_; |
2950 | w_ = w_->next; /* lets us remove this watcher and all before it */ |
3010 | w_ = w_->next; /* lets us remove this watcher and all before it */ |
2951 | |
3011 | |
2952 | if (w->wd == wd || wd == -1) |
3012 | if (w->wd == wd || wd == -1) |
2953 | { |
3013 | { |
2954 | if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) |
3014 | if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) |
2955 | { |
3015 | { |
2956 | wlist_del (&fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
3016 | wlist_del (&fs_hash [slot & ((EV_INOTIFY_HASHSIZE) - 1)].head, (WL)w); |
2957 | w->wd = -1; |
3017 | w->wd = -1; |
2958 | infy_add (EV_A_ w); /* re-add, no matter what */ |
3018 | infy_add (EV_A_ w); /* re-add, no matter what */ |
2959 | } |
3019 | } |
2960 | |
3020 | |
2961 | stat_timer_cb (EV_A_ &w->timer, 0); |
3021 | stat_timer_cb (EV_A_ &w->timer, 0); |
… | |
… | |
2966 | |
3026 | |
2967 | static void |
3027 | static void |
2968 | infy_cb (EV_P_ ev_io *w, int revents) |
3028 | infy_cb (EV_P_ ev_io *w, int revents) |
2969 | { |
3029 | { |
2970 | char buf [EV_INOTIFY_BUFSIZE]; |
3030 | char buf [EV_INOTIFY_BUFSIZE]; |
2971 | struct inotify_event *ev = (struct inotify_event *)buf; |
|
|
2972 | int ofs; |
3031 | int ofs; |
2973 | int len = read (fs_fd, buf, sizeof (buf)); |
3032 | int len = read (fs_fd, buf, sizeof (buf)); |
2974 | |
3033 | |
2975 | for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len) |
3034 | for (ofs = 0; ofs < len; ) |
|
|
3035 | { |
|
|
3036 | struct inotify_event *ev = (struct inotify_event *)(buf + ofs); |
2976 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
3037 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
|
|
3038 | ofs += sizeof (struct inotify_event) + ev->len; |
|
|
3039 | } |
|
|
3040 | } |
|
|
3041 | |
|
|
3042 | inline_size unsigned int |
|
|
3043 | ev_linux_version (void) |
|
|
3044 | { |
|
|
3045 | struct utsname buf; |
|
|
3046 | unsigned int v; |
|
|
3047 | int i; |
|
|
3048 | char *p = buf.release; |
|
|
3049 | |
|
|
3050 | if (uname (&buf)) |
|
|
3051 | return 0; |
|
|
3052 | |
|
|
3053 | for (i = 3+1; --i; ) |
|
|
3054 | { |
|
|
3055 | unsigned int c = 0; |
|
|
3056 | |
|
|
3057 | for (;;) |
|
|
3058 | { |
|
|
3059 | if (*p >= '0' && *p <= '9') |
|
|
3060 | c = c * 10 + *p++ - '0'; |
|
|
3061 | else |
|
|
3062 | { |
|
|
3063 | p += *p == '.'; |
|
|
3064 | break; |
|
|
3065 | } |
|
|
3066 | } |
|
|
3067 | |
|
|
3068 | v = (v << 8) | c; |
|
|
3069 | } |
|
|
3070 | |
|
|
3071 | return v; |
2977 | } |
3072 | } |
2978 | |
3073 | |
2979 | inline_size void |
3074 | inline_size void |
2980 | check_2625 (EV_P) |
3075 | ev_check_2625 (EV_P) |
2981 | { |
3076 | { |
2982 | /* kernels < 2.6.25 are borked |
3077 | /* kernels < 2.6.25 are borked |
2983 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
3078 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
2984 | */ |
3079 | */ |
2985 | struct utsname buf; |
3080 | if (ev_linux_version () < 0x020619) |
2986 | int major, minor, micro; |
|
|
2987 | |
|
|
2988 | if (uname (&buf)) |
|
|
2989 | return; |
|
|
2990 | |
|
|
2991 | if (sscanf (buf.release, "%d.%d.%d", &major, &minor, µ) != 3) |
|
|
2992 | return; |
|
|
2993 | |
|
|
2994 | if (major < 2 |
|
|
2995 | || (major == 2 && minor < 6) |
|
|
2996 | || (major == 2 && minor == 6 && micro < 25)) |
|
|
2997 | return; |
3081 | return; |
2998 | |
3082 | |
2999 | fs_2625 = 1; |
3083 | fs_2625 = 1; |
3000 | } |
3084 | } |
3001 | |
3085 | |
… | |
… | |
3016 | if (fs_fd != -2) |
3100 | if (fs_fd != -2) |
3017 | return; |
3101 | return; |
3018 | |
3102 | |
3019 | fs_fd = -1; |
3103 | fs_fd = -1; |
3020 | |
3104 | |
3021 | check_2625 (EV_A); |
3105 | ev_check_2625 (EV_A); |
3022 | |
3106 | |
3023 | fs_fd = infy_newfd (); |
3107 | fs_fd = infy_newfd (); |
3024 | |
3108 | |
3025 | if (fs_fd >= 0) |
3109 | if (fs_fd >= 0) |
3026 | { |
3110 | { |
3027 | fd_intern (fs_fd); |
3111 | fd_intern (fs_fd); |
3028 | ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ); |
3112 | ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ); |
3029 | ev_set_priority (&fs_w, EV_MAXPRI); |
3113 | ev_set_priority (&fs_w, EV_MAXPRI); |
3030 | ev_io_start (EV_A_ &fs_w); |
3114 | ev_io_start (EV_A_ &fs_w); |
|
|
3115 | ev_unref (EV_A); |
3031 | } |
3116 | } |
3032 | } |
3117 | } |
3033 | |
3118 | |
3034 | inline_size void |
3119 | inline_size void |
3035 | infy_fork (EV_P) |
3120 | infy_fork (EV_P) |
… | |
… | |
3037 | int slot; |
3122 | int slot; |
3038 | |
3123 | |
3039 | if (fs_fd < 0) |
3124 | if (fs_fd < 0) |
3040 | return; |
3125 | return; |
3041 | |
3126 | |
|
|
3127 | ev_ref (EV_A); |
3042 | ev_io_stop (EV_A_ &fs_w); |
3128 | ev_io_stop (EV_A_ &fs_w); |
3043 | close (fs_fd); |
3129 | close (fs_fd); |
3044 | fs_fd = infy_newfd (); |
3130 | fs_fd = infy_newfd (); |
3045 | |
3131 | |
3046 | if (fs_fd >= 0) |
3132 | if (fs_fd >= 0) |
3047 | { |
3133 | { |
3048 | fd_intern (fs_fd); |
3134 | fd_intern (fs_fd); |
3049 | ev_io_set (&fs_w, fs_fd, EV_READ); |
3135 | ev_io_set (&fs_w, fs_fd, EV_READ); |
3050 | ev_io_start (EV_A_ &fs_w); |
3136 | ev_io_start (EV_A_ &fs_w); |
|
|
3137 | ev_unref (EV_A); |
3051 | } |
3138 | } |
3052 | |
3139 | |
3053 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
3140 | for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot) |
3054 | { |
3141 | { |
3055 | WL w_ = fs_hash [slot].head; |
3142 | WL w_ = fs_hash [slot].head; |
3056 | fs_hash [slot].head = 0; |
3143 | fs_hash [slot].head = 0; |
3057 | |
3144 | |
3058 | while (w_) |
3145 | while (w_) |
… | |
… | |
3063 | w->wd = -1; |
3150 | w->wd = -1; |
3064 | |
3151 | |
3065 | if (fs_fd >= 0) |
3152 | if (fs_fd >= 0) |
3066 | infy_add (EV_A_ w); /* re-add, no matter what */ |
3153 | infy_add (EV_A_ w); /* re-add, no matter what */ |
3067 | else |
3154 | else |
|
|
3155 | { |
|
|
3156 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
|
|
3157 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
3068 | ev_timer_again (EV_A_ &w->timer); |
3158 | ev_timer_again (EV_A_ &w->timer); |
|
|
3159 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
|
|
3160 | } |
3069 | } |
3161 | } |
3070 | } |
3162 | } |
3071 | } |
3163 | } |
3072 | |
3164 | |
3073 | #endif |
3165 | #endif |
… | |
… | |
3090 | static void noinline |
3182 | static void noinline |
3091 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
3183 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
3092 | { |
3184 | { |
3093 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
3185 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
3094 | |
3186 | |
3095 | /* we copy this here each the time so that */ |
3187 | ev_statdata prev = w->attr; |
3096 | /* prev has the old value when the callback gets invoked */ |
|
|
3097 | w->prev = w->attr; |
|
|
3098 | ev_stat_stat (EV_A_ w); |
3188 | ev_stat_stat (EV_A_ w); |
3099 | |
3189 | |
3100 | /* memcmp doesn't work on netbsd, they.... do stuff to their struct stat */ |
3190 | /* memcmp doesn't work on netbsd, they.... do stuff to their struct stat */ |
3101 | if ( |
3191 | if ( |
3102 | w->prev.st_dev != w->attr.st_dev |
3192 | prev.st_dev != w->attr.st_dev |
3103 | || w->prev.st_ino != w->attr.st_ino |
3193 | || prev.st_ino != w->attr.st_ino |
3104 | || w->prev.st_mode != w->attr.st_mode |
3194 | || prev.st_mode != w->attr.st_mode |
3105 | || w->prev.st_nlink != w->attr.st_nlink |
3195 | || prev.st_nlink != w->attr.st_nlink |
3106 | || w->prev.st_uid != w->attr.st_uid |
3196 | || prev.st_uid != w->attr.st_uid |
3107 | || w->prev.st_gid != w->attr.st_gid |
3197 | || prev.st_gid != w->attr.st_gid |
3108 | || w->prev.st_rdev != w->attr.st_rdev |
3198 | || prev.st_rdev != w->attr.st_rdev |
3109 | || w->prev.st_size != w->attr.st_size |
3199 | || prev.st_size != w->attr.st_size |
3110 | || w->prev.st_atime != w->attr.st_atime |
3200 | || prev.st_atime != w->attr.st_atime |
3111 | || w->prev.st_mtime != w->attr.st_mtime |
3201 | || prev.st_mtime != w->attr.st_mtime |
3112 | || w->prev.st_ctime != w->attr.st_ctime |
3202 | || prev.st_ctime != w->attr.st_ctime |
3113 | ) { |
3203 | ) { |
|
|
3204 | /* we only update w->prev on actual differences */ |
|
|
3205 | /* in case we test more often than invoke the callback, */ |
|
|
3206 | /* to ensure that prev is always different to attr */ |
|
|
3207 | w->prev = prev; |
|
|
3208 | |
3114 | #if EV_USE_INOTIFY |
3209 | #if EV_USE_INOTIFY |
3115 | if (fs_fd >= 0) |
3210 | if (fs_fd >= 0) |
3116 | { |
3211 | { |
3117 | infy_del (EV_A_ w); |
3212 | infy_del (EV_A_ w); |
3118 | infy_add (EV_A_ w); |
3213 | infy_add (EV_A_ w); |
… | |
… | |
3143 | |
3238 | |
3144 | if (fs_fd >= 0) |
3239 | if (fs_fd >= 0) |
3145 | infy_add (EV_A_ w); |
3240 | infy_add (EV_A_ w); |
3146 | else |
3241 | else |
3147 | #endif |
3242 | #endif |
|
|
3243 | { |
3148 | ev_timer_again (EV_A_ &w->timer); |
3244 | ev_timer_again (EV_A_ &w->timer); |
|
|
3245 | ev_unref (EV_A); |
|
|
3246 | } |
3149 | |
3247 | |
3150 | ev_start (EV_A_ (W)w, 1); |
3248 | ev_start (EV_A_ (W)w, 1); |
3151 | |
3249 | |
3152 | EV_FREQUENT_CHECK; |
3250 | EV_FREQUENT_CHECK; |
3153 | } |
3251 | } |
… | |
… | |
3162 | EV_FREQUENT_CHECK; |
3260 | EV_FREQUENT_CHECK; |
3163 | |
3261 | |
3164 | #if EV_USE_INOTIFY |
3262 | #if EV_USE_INOTIFY |
3165 | infy_del (EV_A_ w); |
3263 | infy_del (EV_A_ w); |
3166 | #endif |
3264 | #endif |
|
|
3265 | |
|
|
3266 | if (ev_is_active (&w->timer)) |
|
|
3267 | { |
|
|
3268 | ev_ref (EV_A); |
3167 | ev_timer_stop (EV_A_ &w->timer); |
3269 | ev_timer_stop (EV_A_ &w->timer); |
|
|
3270 | } |
3168 | |
3271 | |
3169 | ev_stop (EV_A_ (W)w); |
3272 | ev_stop (EV_A_ (W)w); |
3170 | |
3273 | |
3171 | EV_FREQUENT_CHECK; |
3274 | EV_FREQUENT_CHECK; |
3172 | } |
3275 | } |
… | |
… | |
3217 | |
3320 | |
3218 | EV_FREQUENT_CHECK; |
3321 | EV_FREQUENT_CHECK; |
3219 | } |
3322 | } |
3220 | #endif |
3323 | #endif |
3221 | |
3324 | |
|
|
3325 | #if EV_PREPARE_ENABLE |
3222 | void |
3326 | void |
3223 | ev_prepare_start (EV_P_ ev_prepare *w) |
3327 | ev_prepare_start (EV_P_ ev_prepare *w) |
3224 | { |
3328 | { |
3225 | if (expect_false (ev_is_active (w))) |
3329 | if (expect_false (ev_is_active (w))) |
3226 | return; |
3330 | return; |
… | |
… | |
3252 | |
3356 | |
3253 | ev_stop (EV_A_ (W)w); |
3357 | ev_stop (EV_A_ (W)w); |
3254 | |
3358 | |
3255 | EV_FREQUENT_CHECK; |
3359 | EV_FREQUENT_CHECK; |
3256 | } |
3360 | } |
|
|
3361 | #endif |
3257 | |
3362 | |
|
|
3363 | #if EV_CHECK_ENABLE |
3258 | void |
3364 | void |
3259 | ev_check_start (EV_P_ ev_check *w) |
3365 | ev_check_start (EV_P_ ev_check *w) |
3260 | { |
3366 | { |
3261 | if (expect_false (ev_is_active (w))) |
3367 | if (expect_false (ev_is_active (w))) |
3262 | return; |
3368 | return; |
… | |
… | |
3288 | |
3394 | |
3289 | ev_stop (EV_A_ (W)w); |
3395 | ev_stop (EV_A_ (W)w); |
3290 | |
3396 | |
3291 | EV_FREQUENT_CHECK; |
3397 | EV_FREQUENT_CHECK; |
3292 | } |
3398 | } |
|
|
3399 | #endif |
3293 | |
3400 | |
3294 | #if EV_EMBED_ENABLE |
3401 | #if EV_EMBED_ENABLE |
3295 | void noinline |
3402 | void noinline |
3296 | ev_embed_sweep (EV_P_ ev_embed *w) |
3403 | ev_embed_sweep (EV_P_ ev_embed *w) |
3297 | { |
3404 | { |
… | |
… | |
3391 | EV_FREQUENT_CHECK; |
3498 | EV_FREQUENT_CHECK; |
3392 | |
3499 | |
3393 | ev_io_stop (EV_A_ &w->io); |
3500 | ev_io_stop (EV_A_ &w->io); |
3394 | ev_prepare_stop (EV_A_ &w->prepare); |
3501 | ev_prepare_stop (EV_A_ &w->prepare); |
3395 | ev_fork_stop (EV_A_ &w->fork); |
3502 | ev_fork_stop (EV_A_ &w->fork); |
|
|
3503 | |
|
|
3504 | ev_stop (EV_A_ (W)w); |
3396 | |
3505 | |
3397 | EV_FREQUENT_CHECK; |
3506 | EV_FREQUENT_CHECK; |
3398 | } |
3507 | } |
3399 | #endif |
3508 | #endif |
3400 | |
3509 | |
… | |
… | |
3624 | if (types & EV_ASYNC) |
3733 | if (types & EV_ASYNC) |
3625 | for (i = asynccnt; i--; ) |
3734 | for (i = asynccnt; i--; ) |
3626 | cb (EV_A_ EV_ASYNC, asyncs [i]); |
3735 | cb (EV_A_ EV_ASYNC, asyncs [i]); |
3627 | #endif |
3736 | #endif |
3628 | |
3737 | |
|
|
3738 | #if EV_PREPARE_ENABLE |
3629 | if (types & EV_PREPARE) |
3739 | if (types & EV_PREPARE) |
3630 | for (i = preparecnt; i--; ) |
3740 | for (i = preparecnt; i--; ) |
3631 | #if EV_EMBED_ENABLE |
3741 | # if EV_EMBED_ENABLE |
3632 | if (ev_cb (prepares [i]) != embed_prepare_cb) |
3742 | if (ev_cb (prepares [i]) != embed_prepare_cb) |
3633 | #endif |
3743 | # endif |
3634 | cb (EV_A_ EV_PREPARE, prepares [i]); |
3744 | cb (EV_A_ EV_PREPARE, prepares [i]); |
|
|
3745 | #endif |
3635 | |
3746 | |
|
|
3747 | #if EV_CHECK_ENABLE |
3636 | if (types & EV_CHECK) |
3748 | if (types & EV_CHECK) |
3637 | for (i = checkcnt; i--; ) |
3749 | for (i = checkcnt; i--; ) |
3638 | cb (EV_A_ EV_CHECK, checks [i]); |
3750 | cb (EV_A_ EV_CHECK, checks [i]); |
|
|
3751 | #endif |
3639 | |
3752 | |
|
|
3753 | #if EV_SIGNAL_ENABLE |
3640 | if (types & EV_SIGNAL) |
3754 | if (types & EV_SIGNAL) |
3641 | for (i = 0; i < EV_NSIG - 1; ++i) |
3755 | for (i = 0; i < EV_NSIG - 1; ++i) |
3642 | for (wl = signals [i].head; wl; ) |
3756 | for (wl = signals [i].head; wl; ) |
3643 | { |
3757 | { |
3644 | wn = wl->next; |
3758 | wn = wl->next; |
3645 | cb (EV_A_ EV_SIGNAL, wl); |
3759 | cb (EV_A_ EV_SIGNAL, wl); |
3646 | wl = wn; |
3760 | wl = wn; |
3647 | } |
3761 | } |
|
|
3762 | #endif |
3648 | |
3763 | |
|
|
3764 | #if EV_CHILD_ENABLE |
3649 | if (types & EV_CHILD) |
3765 | if (types & EV_CHILD) |
3650 | for (i = EV_PID_HASHSIZE; i--; ) |
3766 | for (i = (EV_PID_HASHSIZE); i--; ) |
3651 | for (wl = childs [i]; wl; ) |
3767 | for (wl = childs [i]; wl; ) |
3652 | { |
3768 | { |
3653 | wn = wl->next; |
3769 | wn = wl->next; |
3654 | cb (EV_A_ EV_CHILD, wl); |
3770 | cb (EV_A_ EV_CHILD, wl); |
3655 | wl = wn; |
3771 | wl = wn; |
3656 | } |
3772 | } |
|
|
3773 | #endif |
3657 | /* EV_STAT 0x00001000 /* stat data changed */ |
3774 | /* EV_STAT 0x00001000 /* stat data changed */ |
3658 | /* EV_EMBED 0x00010000 /* embedded event loop needs sweep */ |
3775 | /* EV_EMBED 0x00010000 /* embedded event loop needs sweep */ |
3659 | } |
3776 | } |
3660 | #endif |
3777 | #endif |
3661 | |
3778 | |