… | |
… | |
94 | # else |
94 | # else |
95 | # define EV_USE_PORT 0 |
95 | # define EV_USE_PORT 0 |
96 | # endif |
96 | # endif |
97 | # endif |
97 | # endif |
98 | |
98 | |
|
|
99 | # ifndef EV_USE_INOTIFY |
|
|
100 | # if HAVE_INOTIFY_INIT && HAVE_SYS_INOTIFY_H |
|
|
101 | # define EV_USE_INOTIFY 1 |
|
|
102 | # else |
|
|
103 | # define EV_USE_INOTIFY 0 |
|
|
104 | # endif |
|
|
105 | # endif |
|
|
106 | |
99 | #endif |
107 | #endif |
100 | |
108 | |
101 | #include <math.h> |
109 | #include <math.h> |
102 | #include <stdlib.h> |
110 | #include <stdlib.h> |
103 | #include <fcntl.h> |
111 | #include <fcntl.h> |
… | |
… | |
109 | #include <errno.h> |
117 | #include <errno.h> |
110 | #include <sys/types.h> |
118 | #include <sys/types.h> |
111 | #include <time.h> |
119 | #include <time.h> |
112 | |
120 | |
113 | #include <signal.h> |
121 | #include <signal.h> |
|
|
122 | |
|
|
123 | #ifdef EV_H |
|
|
124 | # include EV_H |
|
|
125 | #else |
|
|
126 | # include "ev.h" |
|
|
127 | #endif |
114 | |
128 | |
115 | #ifndef _WIN32 |
129 | #ifndef _WIN32 |
116 | # include <sys/time.h> |
130 | # include <sys/time.h> |
117 | # include <sys/wait.h> |
131 | # include <sys/wait.h> |
118 | # include <unistd.h> |
132 | # include <unistd.h> |
… | |
… | |
156 | |
170 | |
157 | #ifndef EV_USE_PORT |
171 | #ifndef EV_USE_PORT |
158 | # define EV_USE_PORT 0 |
172 | # define EV_USE_PORT 0 |
159 | #endif |
173 | #endif |
160 | |
174 | |
|
|
175 | #ifndef EV_USE_INOTIFY |
|
|
176 | # define EV_USE_INOTIFY 0 |
|
|
177 | #endif |
|
|
178 | |
|
|
179 | #ifndef EV_PID_HASHSIZE |
|
|
180 | # if EV_MINIMAL |
|
|
181 | # define EV_PID_HASHSIZE 1 |
|
|
182 | # else |
|
|
183 | # define EV_PID_HASHSIZE 16 |
|
|
184 | # endif |
|
|
185 | #endif |
|
|
186 | |
|
|
187 | #ifndef EV_INOTIFY_HASHSIZE |
|
|
188 | # if EV_MINIMAL |
|
|
189 | # define EV_INOTIFY_HASHSIZE 1 |
|
|
190 | # else |
|
|
191 | # define EV_INOTIFY_HASHSIZE 16 |
|
|
192 | # endif |
|
|
193 | #endif |
|
|
194 | |
161 | /**/ |
195 | /**/ |
162 | |
196 | |
163 | #ifndef CLOCK_MONOTONIC |
197 | #ifndef CLOCK_MONOTONIC |
164 | # undef EV_USE_MONOTONIC |
198 | # undef EV_USE_MONOTONIC |
165 | # define EV_USE_MONOTONIC 0 |
199 | # define EV_USE_MONOTONIC 0 |
… | |
… | |
172 | |
206 | |
173 | #if EV_SELECT_IS_WINSOCKET |
207 | #if EV_SELECT_IS_WINSOCKET |
174 | # include <winsock.h> |
208 | # include <winsock.h> |
175 | #endif |
209 | #endif |
176 | |
210 | |
|
|
211 | #if !EV_STAT_ENABLE |
|
|
212 | # define EV_USE_INOTIFY 0 |
|
|
213 | #endif |
|
|
214 | |
|
|
215 | #if EV_USE_INOTIFY |
|
|
216 | # include <sys/inotify.h> |
|
|
217 | #endif |
|
|
218 | |
177 | /**/ |
219 | /**/ |
178 | |
220 | |
179 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
221 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
180 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
222 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
181 | #define PID_HASHSIZE 16 /* size of pid hash table, must be power of two */ |
|
|
182 | /*#define CLEANUP_INTERVAL (MAX_BLOCKTIME * 5.) /* how often to try to free memory and re-check fds */ |
223 | /*#define CLEANUP_INTERVAL (MAX_BLOCKTIME * 5.) /* how often to try to free memory and re-check fds */ |
183 | |
|
|
184 | #ifdef EV_H |
|
|
185 | # include EV_H |
|
|
186 | #else |
|
|
187 | # include "ev.h" |
|
|
188 | #endif |
|
|
189 | |
224 | |
190 | #if __GNUC__ >= 3 |
225 | #if __GNUC__ >= 3 |
191 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
226 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
192 | # define inline_size static inline /* inline for codesize */ |
227 | # define inline_size static inline /* inline for codesize */ |
193 | # if EV_MINIMAL |
228 | # if EV_MINIMAL |
… | |
… | |
198 | # define inline_speed static inline |
233 | # define inline_speed static inline |
199 | # endif |
234 | # endif |
200 | #else |
235 | #else |
201 | # define expect(expr,value) (expr) |
236 | # define expect(expr,value) (expr) |
202 | # define inline_speed static |
237 | # define inline_speed static |
203 | # define inline_minimal static |
238 | # define inline_size static |
204 | # define noinline |
239 | # define noinline |
205 | #endif |
240 | #endif |
206 | |
241 | |
207 | #define expect_false(expr) expect ((expr) != 0, 0) |
242 | #define expect_false(expr) expect ((expr) != 0, 0) |
208 | #define expect_true(expr) expect ((expr) != 0, 1) |
243 | #define expect_true(expr) expect ((expr) != 0, 1) |
… | |
… | |
225 | |
260 | |
226 | /*****************************************************************************/ |
261 | /*****************************************************************************/ |
227 | |
262 | |
228 | static void (*syserr_cb)(const char *msg); |
263 | static void (*syserr_cb)(const char *msg); |
229 | |
264 | |
|
|
265 | void |
230 | void ev_set_syserr_cb (void (*cb)(const char *msg)) |
266 | ev_set_syserr_cb (void (*cb)(const char *msg)) |
231 | { |
267 | { |
232 | syserr_cb = cb; |
268 | syserr_cb = cb; |
233 | } |
269 | } |
234 | |
270 | |
235 | static void |
271 | static void noinline |
236 | syserr (const char *msg) |
272 | syserr (const char *msg) |
237 | { |
273 | { |
238 | if (!msg) |
274 | if (!msg) |
239 | msg = "(libev) system error"; |
275 | msg = "(libev) system error"; |
240 | |
276 | |
… | |
… | |
245 | perror (msg); |
281 | perror (msg); |
246 | abort (); |
282 | abort (); |
247 | } |
283 | } |
248 | } |
284 | } |
249 | |
285 | |
250 | static void *(*alloc)(void *ptr, long size); |
286 | static void *(*alloc)(void *ptr, size_t size) = realloc; |
251 | |
287 | |
|
|
288 | void |
252 | void ev_set_allocator (void *(*cb)(void *ptr, long size)) |
289 | ev_set_allocator (void *(*cb)(void *ptr, size_t size)) |
253 | { |
290 | { |
254 | alloc = cb; |
291 | alloc = cb; |
255 | } |
292 | } |
256 | |
293 | |
257 | static void * |
294 | inline_speed void * |
258 | ev_realloc (void *ptr, long size) |
295 | ev_realloc (void *ptr, size_t size) |
259 | { |
296 | { |
260 | ptr = alloc ? alloc (ptr, size) : realloc (ptr, size); |
297 | ptr = alloc (ptr, size); |
261 | |
298 | |
262 | if (!ptr && size) |
299 | if (!ptr && size) |
263 | { |
300 | { |
264 | fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); |
301 | fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", (long)size); |
265 | abort (); |
302 | abort (); |
266 | } |
303 | } |
267 | |
304 | |
268 | return ptr; |
305 | return ptr; |
269 | } |
306 | } |
… | |
… | |
286 | typedef struct |
323 | typedef struct |
287 | { |
324 | { |
288 | W w; |
325 | W w; |
289 | int events; |
326 | int events; |
290 | } ANPENDING; |
327 | } ANPENDING; |
|
|
328 | |
|
|
329 | typedef struct |
|
|
330 | { |
|
|
331 | #if EV_USE_INOTIFY |
|
|
332 | WL head; |
|
|
333 | #endif |
|
|
334 | } ANFS; |
291 | |
335 | |
292 | #if EV_MULTIPLICITY |
336 | #if EV_MULTIPLICITY |
293 | |
337 | |
294 | struct ev_loop |
338 | struct ev_loop |
295 | { |
339 | { |
… | |
… | |
315 | |
359 | |
316 | #endif |
360 | #endif |
317 | |
361 | |
318 | /*****************************************************************************/ |
362 | /*****************************************************************************/ |
319 | |
363 | |
320 | ev_tstamp noinline |
364 | ev_tstamp |
321 | ev_time (void) |
365 | ev_time (void) |
322 | { |
366 | { |
323 | #if EV_USE_REALTIME |
367 | #if EV_USE_REALTIME |
324 | struct timespec ts; |
368 | struct timespec ts; |
325 | clock_gettime (CLOCK_REALTIME, &ts); |
369 | clock_gettime (CLOCK_REALTIME, &ts); |
… | |
… | |
382 | #define array_free(stem, idx) \ |
426 | #define array_free(stem, idx) \ |
383 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; |
427 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; |
384 | |
428 | |
385 | /*****************************************************************************/ |
429 | /*****************************************************************************/ |
386 | |
430 | |
387 | void inline_size |
|
|
388 | anfds_init (ANFD *base, int count) |
|
|
389 | { |
|
|
390 | while (count--) |
|
|
391 | { |
|
|
392 | base->head = 0; |
|
|
393 | base->events = EV_NONE; |
|
|
394 | base->reify = 0; |
|
|
395 | |
|
|
396 | ++base; |
|
|
397 | } |
|
|
398 | } |
|
|
399 | |
|
|
400 | void noinline |
431 | void noinline |
401 | ev_feed_event (EV_P_ void *w, int revents) |
432 | ev_feed_event (EV_P_ void *w, int revents) |
402 | { |
433 | { |
403 | W w_ = (W)w; |
434 | W w_ = (W)w; |
404 | |
435 | |
… | |
… | |
412 | array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], EMPTY2); |
443 | array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], EMPTY2); |
413 | pendings [ABSPRI (w_)][w_->pending - 1].w = w_; |
444 | pendings [ABSPRI (w_)][w_->pending - 1].w = w_; |
414 | pendings [ABSPRI (w_)][w_->pending - 1].events = revents; |
445 | pendings [ABSPRI (w_)][w_->pending - 1].events = revents; |
415 | } |
446 | } |
416 | |
447 | |
417 | static void |
448 | void inline_size |
418 | queue_events (EV_P_ W *events, int eventcnt, int type) |
449 | queue_events (EV_P_ W *events, int eventcnt, int type) |
419 | { |
450 | { |
420 | int i; |
451 | int i; |
421 | |
452 | |
422 | for (i = 0; i < eventcnt; ++i) |
453 | for (i = 0; i < eventcnt; ++i) |
423 | ev_feed_event (EV_A_ events [i], type); |
454 | ev_feed_event (EV_A_ events [i], type); |
424 | } |
455 | } |
425 | |
456 | |
|
|
457 | /*****************************************************************************/ |
|
|
458 | |
|
|
459 | void inline_size |
|
|
460 | anfds_init (ANFD *base, int count) |
|
|
461 | { |
|
|
462 | while (count--) |
|
|
463 | { |
|
|
464 | base->head = 0; |
|
|
465 | base->events = EV_NONE; |
|
|
466 | base->reify = 0; |
|
|
467 | |
|
|
468 | ++base; |
|
|
469 | } |
|
|
470 | } |
|
|
471 | |
426 | void inline_speed |
472 | void inline_speed |
427 | fd_event (EV_P_ int fd, int revents) |
473 | fd_event (EV_P_ int fd, int revents) |
428 | { |
474 | { |
429 | ANFD *anfd = anfds + fd; |
475 | ANFD *anfd = anfds + fd; |
430 | ev_io *w; |
476 | ev_io *w; |
… | |
… | |
441 | void |
487 | void |
442 | ev_feed_fd_event (EV_P_ int fd, int revents) |
488 | ev_feed_fd_event (EV_P_ int fd, int revents) |
443 | { |
489 | { |
444 | fd_event (EV_A_ fd, revents); |
490 | fd_event (EV_A_ fd, revents); |
445 | } |
491 | } |
446 | |
|
|
447 | /*****************************************************************************/ |
|
|
448 | |
492 | |
449 | void inline_size |
493 | void inline_size |
450 | fd_reify (EV_P) |
494 | fd_reify (EV_P) |
451 | { |
495 | { |
452 | int i; |
496 | int i; |
… | |
… | |
707 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
751 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
708 | } |
752 | } |
709 | |
753 | |
710 | /*****************************************************************************/ |
754 | /*****************************************************************************/ |
711 | |
755 | |
712 | static ev_child *childs [PID_HASHSIZE]; |
756 | static ev_child *childs [EV_PID_HASHSIZE]; |
713 | |
757 | |
714 | #ifndef _WIN32 |
758 | #ifndef _WIN32 |
715 | |
759 | |
716 | static ev_signal childev; |
760 | static ev_signal childev; |
717 | |
|
|
718 | #ifndef WCONTINUED |
|
|
719 | # define WCONTINUED 0 |
|
|
720 | #endif |
|
|
721 | |
761 | |
722 | void inline_speed |
762 | void inline_speed |
723 | child_reap (EV_P_ ev_signal *sw, int chain, int pid, int status) |
763 | child_reap (EV_P_ ev_signal *sw, int chain, int pid, int status) |
724 | { |
764 | { |
725 | ev_child *w; |
765 | ev_child *w; |
726 | |
766 | |
727 | for (w = (ev_child *)childs [chain & (PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
767 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
728 | if (w->pid == pid || !w->pid) |
768 | if (w->pid == pid || !w->pid) |
729 | { |
769 | { |
730 | ev_priority (w) = ev_priority (sw); /* need to do it *now* */ |
770 | ev_priority (w) = ev_priority (sw); /* need to do it *now* */ |
731 | w->rpid = pid; |
771 | w->rpid = pid; |
732 | w->rstatus = status; |
772 | w->rstatus = status; |
733 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
773 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
734 | } |
774 | } |
735 | } |
775 | } |
736 | |
776 | |
|
|
777 | #ifndef WCONTINUED |
|
|
778 | # define WCONTINUED 0 |
|
|
779 | #endif |
|
|
780 | |
737 | static void |
781 | static void |
738 | childcb (EV_P_ ev_signal *sw, int revents) |
782 | childcb (EV_P_ ev_signal *sw, int revents) |
739 | { |
783 | { |
740 | int pid, status; |
784 | int pid, status; |
741 | |
785 | |
|
|
786 | /* some systems define WCONTINUED but then fail to support it (linux 2.4) */ |
742 | if (0 < (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED))) |
787 | if (0 >= (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED))) |
743 | { |
788 | if (!WCONTINUED |
|
|
789 | || errno != EINVAL |
|
|
790 | || 0 >= (pid = waitpid (-1, &status, WNOHANG | WUNTRACED))) |
|
|
791 | return; |
|
|
792 | |
744 | /* make sure we are called again until all childs have been reaped */ |
793 | /* make sure we are called again until all childs have been reaped */ |
745 | /* we need to do it this way so that the callback gets called before we continue */ |
794 | /* we need to do it this way so that the callback gets called before we continue */ |
746 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
795 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
747 | |
796 | |
748 | child_reap (EV_A_ sw, pid, pid, status); |
797 | child_reap (EV_A_ sw, pid, pid, status); |
|
|
798 | if (EV_PID_HASHSIZE > 1) |
749 | child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
799 | child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
750 | } |
|
|
751 | } |
800 | } |
752 | |
801 | |
753 | #endif |
802 | #endif |
754 | |
803 | |
755 | /*****************************************************************************/ |
804 | /*****************************************************************************/ |
… | |
… | |
838 | ev_backend (EV_P) |
887 | ev_backend (EV_P) |
839 | { |
888 | { |
840 | return backend; |
889 | return backend; |
841 | } |
890 | } |
842 | |
891 | |
843 | static void |
892 | static void noinline |
844 | loop_init (EV_P_ unsigned int flags) |
893 | loop_init (EV_P_ unsigned int flags) |
845 | { |
894 | { |
846 | if (!backend) |
895 | if (!backend) |
847 | { |
896 | { |
848 | #if EV_USE_MONOTONIC |
897 | #if EV_USE_MONOTONIC |
… | |
… | |
865 | |
914 | |
866 | if (!(flags & 0x0000ffffUL)) |
915 | if (!(flags & 0x0000ffffUL)) |
867 | flags |= ev_recommended_backends (); |
916 | flags |= ev_recommended_backends (); |
868 | |
917 | |
869 | backend = 0; |
918 | backend = 0; |
|
|
919 | backend_fd = -1; |
|
|
920 | #if EV_USE_INOTIFY |
|
|
921 | fs_fd = -2; |
|
|
922 | #endif |
|
|
923 | |
870 | #if EV_USE_PORT |
924 | #if EV_USE_PORT |
871 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
925 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
872 | #endif |
926 | #endif |
873 | #if EV_USE_KQUEUE |
927 | #if EV_USE_KQUEUE |
874 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
928 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
… | |
… | |
886 | ev_init (&sigev, sigcb); |
940 | ev_init (&sigev, sigcb); |
887 | ev_set_priority (&sigev, EV_MAXPRI); |
941 | ev_set_priority (&sigev, EV_MAXPRI); |
888 | } |
942 | } |
889 | } |
943 | } |
890 | |
944 | |
891 | static void |
945 | static void noinline |
892 | loop_destroy (EV_P) |
946 | loop_destroy (EV_P) |
893 | { |
947 | { |
894 | int i; |
948 | int i; |
|
|
949 | |
|
|
950 | #if EV_USE_INOTIFY |
|
|
951 | if (fs_fd >= 0) |
|
|
952 | close (fs_fd); |
|
|
953 | #endif |
|
|
954 | |
|
|
955 | if (backend_fd >= 0) |
|
|
956 | close (backend_fd); |
895 | |
957 | |
896 | #if EV_USE_PORT |
958 | #if EV_USE_PORT |
897 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
959 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
898 | #endif |
960 | #endif |
899 | #if EV_USE_KQUEUE |
961 | #if EV_USE_KQUEUE |
… | |
… | |
923 | array_free (check, EMPTY0); |
985 | array_free (check, EMPTY0); |
924 | |
986 | |
925 | backend = 0; |
987 | backend = 0; |
926 | } |
988 | } |
927 | |
989 | |
928 | static void |
990 | void inline_size |
929 | loop_fork (EV_P) |
991 | loop_fork (EV_P) |
930 | { |
992 | { |
931 | #if EV_USE_PORT |
993 | #if EV_USE_PORT |
932 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
994 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
933 | #endif |
995 | #endif |
… | |
… | |
1083 | { |
1145 | { |
1084 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
1146 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
1085 | |
1147 | |
1086 | if (expect_true (p->w)) |
1148 | if (expect_true (p->w)) |
1087 | { |
1149 | { |
1088 | assert (("non-pending watcher on pending list", p->w->pending)); |
1150 | /*assert (("non-pending watcher on pending list", p->w->pending));*/ |
1089 | |
1151 | |
1090 | p->w->pending = 0; |
1152 | p->w->pending = 0; |
1091 | EV_CB_INVOKE (p->w, p->events); |
1153 | EV_CB_INVOKE (p->w, p->events); |
1092 | } |
1154 | } |
1093 | } |
1155 | } |
… | |
… | |
1098 | { |
1160 | { |
1099 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
1161 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
1100 | { |
1162 | { |
1101 | ev_timer *w = timers [0]; |
1163 | ev_timer *w = timers [0]; |
1102 | |
1164 | |
1103 | assert (("inactive timer on timer heap detected", ev_is_active (w))); |
1165 | /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/ |
1104 | |
1166 | |
1105 | /* first reschedule or stop timer */ |
1167 | /* first reschedule or stop timer */ |
1106 | if (w->repeat) |
1168 | if (w->repeat) |
1107 | { |
1169 | { |
1108 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
1170 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
… | |
… | |
1126 | { |
1188 | { |
1127 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
1189 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
1128 | { |
1190 | { |
1129 | ev_periodic *w = periodics [0]; |
1191 | ev_periodic *w = periodics [0]; |
1130 | |
1192 | |
1131 | assert (("inactive timer on periodic heap detected", ev_is_active (w))); |
1193 | /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ |
1132 | |
1194 | |
1133 | /* first reschedule or stop timer */ |
1195 | /* first reschedule or stop timer */ |
1134 | if (w->reschedule_cb) |
1196 | if (w->reschedule_cb) |
1135 | { |
1197 | { |
1136 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001); |
1198 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001); |
… | |
… | |
1270 | ? EVUNLOOP_ONE |
1332 | ? EVUNLOOP_ONE |
1271 | : EVUNLOOP_CANCEL; |
1333 | : EVUNLOOP_CANCEL; |
1272 | |
1334 | |
1273 | while (activecnt) |
1335 | while (activecnt) |
1274 | { |
1336 | { |
|
|
1337 | /* we might have forked, so reify kernel state if necessary */ |
|
|
1338 | #if EV_FORK_ENABLE |
|
|
1339 | if (expect_false (postfork)) |
|
|
1340 | if (forkcnt) |
|
|
1341 | { |
|
|
1342 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
|
|
1343 | call_pending (EV_A); |
|
|
1344 | } |
|
|
1345 | #endif |
|
|
1346 | |
1275 | /* queue check watchers (and execute them) */ |
1347 | /* queue check watchers (and execute them) */ |
1276 | if (expect_false (preparecnt)) |
1348 | if (expect_false (preparecnt)) |
1277 | { |
1349 | { |
1278 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
1350 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
1279 | call_pending (EV_A); |
1351 | call_pending (EV_A); |
… | |
… | |
1458 | ev_start (EV_A_ (W)w, ++timercnt); |
1530 | ev_start (EV_A_ (W)w, ++timercnt); |
1459 | array_needsize (ev_timer *, timers, timermax, timercnt, EMPTY2); |
1531 | array_needsize (ev_timer *, timers, timermax, timercnt, EMPTY2); |
1460 | timers [timercnt - 1] = w; |
1532 | timers [timercnt - 1] = w; |
1461 | upheap ((WT *)timers, timercnt - 1); |
1533 | upheap ((WT *)timers, timercnt - 1); |
1462 | |
1534 | |
1463 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1535 | /*assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));*/ |
1464 | } |
1536 | } |
1465 | |
1537 | |
1466 | void |
1538 | void |
1467 | ev_timer_stop (EV_P_ ev_timer *w) |
1539 | ev_timer_stop (EV_P_ ev_timer *w) |
1468 | { |
1540 | { |
… | |
… | |
1470 | if (expect_false (!ev_is_active (w))) |
1542 | if (expect_false (!ev_is_active (w))) |
1471 | return; |
1543 | return; |
1472 | |
1544 | |
1473 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1545 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1474 | |
1546 | |
|
|
1547 | { |
|
|
1548 | int active = ((W)w)->active; |
|
|
1549 | |
1475 | if (expect_true (((W)w)->active < timercnt--)) |
1550 | if (expect_true (--active < --timercnt)) |
1476 | { |
1551 | { |
1477 | timers [((W)w)->active - 1] = timers [timercnt]; |
1552 | timers [active] = timers [timercnt]; |
1478 | adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1553 | adjustheap ((WT *)timers, timercnt, active); |
1479 | } |
1554 | } |
|
|
1555 | } |
1480 | |
1556 | |
1481 | ((WT)w)->at -= mn_now; |
1557 | ((WT)w)->at -= mn_now; |
1482 | |
1558 | |
1483 | ev_stop (EV_A_ (W)w); |
1559 | ev_stop (EV_A_ (W)w); |
1484 | } |
1560 | } |
… | |
… | |
1522 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1598 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1523 | array_needsize (ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2); |
1599 | array_needsize (ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2); |
1524 | periodics [periodiccnt - 1] = w; |
1600 | periodics [periodiccnt - 1] = w; |
1525 | upheap ((WT *)periodics, periodiccnt - 1); |
1601 | upheap ((WT *)periodics, periodiccnt - 1); |
1526 | |
1602 | |
1527 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1603 | /*assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));*/ |
1528 | } |
1604 | } |
1529 | |
1605 | |
1530 | void |
1606 | void |
1531 | ev_periodic_stop (EV_P_ ev_periodic *w) |
1607 | ev_periodic_stop (EV_P_ ev_periodic *w) |
1532 | { |
1608 | { |
… | |
… | |
1534 | if (expect_false (!ev_is_active (w))) |
1610 | if (expect_false (!ev_is_active (w))) |
1535 | return; |
1611 | return; |
1536 | |
1612 | |
1537 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1613 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1538 | |
1614 | |
|
|
1615 | { |
|
|
1616 | int active = ((W)w)->active; |
|
|
1617 | |
1539 | if (expect_true (((W)w)->active < periodiccnt--)) |
1618 | if (expect_true (--active < --periodiccnt)) |
1540 | { |
1619 | { |
1541 | periodics [((W)w)->active - 1] = periodics [periodiccnt]; |
1620 | periodics [active] = periodics [periodiccnt]; |
1542 | adjustheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1); |
1621 | adjustheap ((WT *)periodics, periodiccnt, active); |
1543 | } |
1622 | } |
|
|
1623 | } |
1544 | |
1624 | |
1545 | ev_stop (EV_A_ (W)w); |
1625 | ev_stop (EV_A_ (W)w); |
1546 | } |
1626 | } |
1547 | |
1627 | |
1548 | void |
1628 | void |
… | |
… | |
1551 | /* TODO: use adjustheap and recalculation */ |
1631 | /* TODO: use adjustheap and recalculation */ |
1552 | ev_periodic_stop (EV_A_ w); |
1632 | ev_periodic_stop (EV_A_ w); |
1553 | ev_periodic_start (EV_A_ w); |
1633 | ev_periodic_start (EV_A_ w); |
1554 | } |
1634 | } |
1555 | #endif |
1635 | #endif |
1556 | |
|
|
1557 | void |
|
|
1558 | ev_idle_start (EV_P_ ev_idle *w) |
|
|
1559 | { |
|
|
1560 | if (expect_false (ev_is_active (w))) |
|
|
1561 | return; |
|
|
1562 | |
|
|
1563 | ev_start (EV_A_ (W)w, ++idlecnt); |
|
|
1564 | array_needsize (ev_idle *, idles, idlemax, idlecnt, EMPTY2); |
|
|
1565 | idles [idlecnt - 1] = w; |
|
|
1566 | } |
|
|
1567 | |
|
|
1568 | void |
|
|
1569 | ev_idle_stop (EV_P_ ev_idle *w) |
|
|
1570 | { |
|
|
1571 | ev_clear_pending (EV_A_ (W)w); |
|
|
1572 | if (expect_false (!ev_is_active (w))) |
|
|
1573 | return; |
|
|
1574 | |
|
|
1575 | { |
|
|
1576 | int active = ((W)w)->active; |
|
|
1577 | idles [active - 1] = idles [--idlecnt]; |
|
|
1578 | ((W)idles [active - 1])->active = active; |
|
|
1579 | } |
|
|
1580 | |
|
|
1581 | ev_stop (EV_A_ (W)w); |
|
|
1582 | } |
|
|
1583 | |
|
|
1584 | void |
|
|
1585 | ev_prepare_start (EV_P_ ev_prepare *w) |
|
|
1586 | { |
|
|
1587 | if (expect_false (ev_is_active (w))) |
|
|
1588 | return; |
|
|
1589 | |
|
|
1590 | ev_start (EV_A_ (W)w, ++preparecnt); |
|
|
1591 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
|
|
1592 | prepares [preparecnt - 1] = w; |
|
|
1593 | } |
|
|
1594 | |
|
|
1595 | void |
|
|
1596 | ev_prepare_stop (EV_P_ ev_prepare *w) |
|
|
1597 | { |
|
|
1598 | ev_clear_pending (EV_A_ (W)w); |
|
|
1599 | if (expect_false (!ev_is_active (w))) |
|
|
1600 | return; |
|
|
1601 | |
|
|
1602 | { |
|
|
1603 | int active = ((W)w)->active; |
|
|
1604 | prepares [active - 1] = prepares [--preparecnt]; |
|
|
1605 | ((W)prepares [active - 1])->active = active; |
|
|
1606 | } |
|
|
1607 | |
|
|
1608 | ev_stop (EV_A_ (W)w); |
|
|
1609 | } |
|
|
1610 | |
|
|
1611 | void |
|
|
1612 | ev_check_start (EV_P_ ev_check *w) |
|
|
1613 | { |
|
|
1614 | if (expect_false (ev_is_active (w))) |
|
|
1615 | return; |
|
|
1616 | |
|
|
1617 | ev_start (EV_A_ (W)w, ++checkcnt); |
|
|
1618 | array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); |
|
|
1619 | checks [checkcnt - 1] = w; |
|
|
1620 | } |
|
|
1621 | |
|
|
1622 | void |
|
|
1623 | ev_check_stop (EV_P_ ev_check *w) |
|
|
1624 | { |
|
|
1625 | ev_clear_pending (EV_A_ (W)w); |
|
|
1626 | if (expect_false (!ev_is_active (w))) |
|
|
1627 | return; |
|
|
1628 | |
|
|
1629 | { |
|
|
1630 | int active = ((W)w)->active; |
|
|
1631 | checks [active - 1] = checks [--checkcnt]; |
|
|
1632 | ((W)checks [active - 1])->active = active; |
|
|
1633 | } |
|
|
1634 | |
|
|
1635 | ev_stop (EV_A_ (W)w); |
|
|
1636 | } |
|
|
1637 | |
1636 | |
1638 | #ifndef SA_RESTART |
1637 | #ifndef SA_RESTART |
1639 | # define SA_RESTART 0 |
1638 | # define SA_RESTART 0 |
1640 | #endif |
1639 | #endif |
1641 | |
1640 | |
… | |
… | |
1690 | #endif |
1689 | #endif |
1691 | if (expect_false (ev_is_active (w))) |
1690 | if (expect_false (ev_is_active (w))) |
1692 | return; |
1691 | return; |
1693 | |
1692 | |
1694 | ev_start (EV_A_ (W)w, 1); |
1693 | ev_start (EV_A_ (W)w, 1); |
1695 | wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1694 | wlist_add ((WL *)&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
1696 | } |
1695 | } |
1697 | |
1696 | |
1698 | void |
1697 | void |
1699 | ev_child_stop (EV_P_ ev_child *w) |
1698 | ev_child_stop (EV_P_ ev_child *w) |
1700 | { |
1699 | { |
1701 | ev_clear_pending (EV_A_ (W)w); |
1700 | ev_clear_pending (EV_A_ (W)w); |
1702 | if (expect_false (!ev_is_active (w))) |
1701 | if (expect_false (!ev_is_active (w))) |
1703 | return; |
1702 | return; |
1704 | |
1703 | |
1705 | wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1704 | wlist_del ((WL *)&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
|
|
1705 | ev_stop (EV_A_ (W)w); |
|
|
1706 | } |
|
|
1707 | |
|
|
1708 | #if EV_STAT_ENABLE |
|
|
1709 | |
|
|
1710 | # ifdef _WIN32 |
|
|
1711 | # undef lstat |
|
|
1712 | # define lstat(a,b) _stati64 (a,b) |
|
|
1713 | # endif |
|
|
1714 | |
|
|
1715 | #define DEF_STAT_INTERVAL 5.0074891 |
|
|
1716 | #define MIN_STAT_INTERVAL 0.1074891 |
|
|
1717 | |
|
|
1718 | void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
|
|
1719 | |
|
|
1720 | #if EV_USE_INOTIFY |
|
|
1721 | # define EV_INOTIFY_BUFSIZE 8192 |
|
|
1722 | |
|
|
1723 | static void noinline |
|
|
1724 | infy_add (EV_P_ ev_stat *w) |
|
|
1725 | { |
|
|
1726 | 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); |
|
|
1727 | |
|
|
1728 | if (w->wd < 0) |
|
|
1729 | { |
|
|
1730 | ev_timer_start (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */ |
|
|
1731 | |
|
|
1732 | /* monitor some parent directory for speedup hints */ |
|
|
1733 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
|
|
1734 | { |
|
|
1735 | char path [4096]; |
|
|
1736 | strcpy (path, w->path); |
|
|
1737 | |
|
|
1738 | do |
|
|
1739 | { |
|
|
1740 | int mask = IN_MASK_ADD | IN_DELETE_SELF | IN_MOVE_SELF |
|
|
1741 | | (errno == EACCES ? IN_ATTRIB : IN_CREATE | IN_MOVED_TO); |
|
|
1742 | |
|
|
1743 | char *pend = strrchr (path, '/'); |
|
|
1744 | |
|
|
1745 | if (!pend) |
|
|
1746 | break; /* whoops, no '/', complain to your admin */ |
|
|
1747 | |
|
|
1748 | *pend = 0; |
|
|
1749 | w->wd = inotify_add_watch (fs_fd, path, mask); |
|
|
1750 | } |
|
|
1751 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
|
|
1752 | } |
|
|
1753 | } |
|
|
1754 | else |
|
|
1755 | ev_timer_stop (EV_A_ &w->timer); /* we can watch this in a race-free way */ |
|
|
1756 | |
|
|
1757 | if (w->wd >= 0) |
|
|
1758 | wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
|
|
1759 | } |
|
|
1760 | |
|
|
1761 | static void noinline |
|
|
1762 | infy_del (EV_P_ ev_stat *w) |
|
|
1763 | { |
|
|
1764 | int slot; |
|
|
1765 | int wd = w->wd; |
|
|
1766 | |
|
|
1767 | if (wd < 0) |
|
|
1768 | return; |
|
|
1769 | |
|
|
1770 | w->wd = -2; |
|
|
1771 | slot = wd & (EV_INOTIFY_HASHSIZE - 1); |
|
|
1772 | wlist_del (&fs_hash [slot].head, (WL)w); |
|
|
1773 | |
|
|
1774 | /* remove this watcher, if others are watching it, they will rearm */ |
|
|
1775 | inotify_rm_watch (fs_fd, wd); |
|
|
1776 | } |
|
|
1777 | |
|
|
1778 | static void noinline |
|
|
1779 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
|
|
1780 | { |
|
|
1781 | if (slot < 0) |
|
|
1782 | /* overflow, need to check for all hahs slots */ |
|
|
1783 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
|
|
1784 | infy_wd (EV_A_ slot, wd, ev); |
|
|
1785 | else |
|
|
1786 | { |
|
|
1787 | WL w_; |
|
|
1788 | |
|
|
1789 | for (w_ = fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head; w_; ) |
|
|
1790 | { |
|
|
1791 | ev_stat *w = (ev_stat *)w_; |
|
|
1792 | w_ = w_->next; /* lets us remove this watcher and all before it */ |
|
|
1793 | |
|
|
1794 | if (w->wd == wd || wd == -1) |
|
|
1795 | { |
|
|
1796 | if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) |
|
|
1797 | { |
|
|
1798 | w->wd = -1; |
|
|
1799 | infy_add (EV_A_ w); /* re-add, no matter what */ |
|
|
1800 | } |
|
|
1801 | |
|
|
1802 | stat_timer_cb (EV_A_ &w->timer, 0); |
|
|
1803 | } |
|
|
1804 | } |
|
|
1805 | } |
|
|
1806 | } |
|
|
1807 | |
|
|
1808 | static void |
|
|
1809 | infy_cb (EV_P_ ev_io *w, int revents) |
|
|
1810 | { |
|
|
1811 | char buf [EV_INOTIFY_BUFSIZE]; |
|
|
1812 | struct inotify_event *ev = (struct inotify_event *)buf; |
|
|
1813 | int ofs; |
|
|
1814 | int len = read (fs_fd, buf, sizeof (buf)); |
|
|
1815 | |
|
|
1816 | for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len) |
|
|
1817 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
|
|
1818 | } |
|
|
1819 | |
|
|
1820 | void inline_size |
|
|
1821 | infy_init (EV_P) |
|
|
1822 | { |
|
|
1823 | if (fs_fd != -2) |
|
|
1824 | return; |
|
|
1825 | |
|
|
1826 | fs_fd = inotify_init (); |
|
|
1827 | |
|
|
1828 | if (fs_fd >= 0) |
|
|
1829 | { |
|
|
1830 | ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ); |
|
|
1831 | ev_set_priority (&fs_w, EV_MAXPRI); |
|
|
1832 | ev_io_start (EV_A_ &fs_w); |
|
|
1833 | } |
|
|
1834 | } |
|
|
1835 | |
|
|
1836 | #endif |
|
|
1837 | |
|
|
1838 | void |
|
|
1839 | ev_stat_stat (EV_P_ ev_stat *w) |
|
|
1840 | { |
|
|
1841 | if (lstat (w->path, &w->attr) < 0) |
|
|
1842 | w->attr.st_nlink = 0; |
|
|
1843 | else if (!w->attr.st_nlink) |
|
|
1844 | w->attr.st_nlink = 1; |
|
|
1845 | } |
|
|
1846 | |
|
|
1847 | void noinline |
|
|
1848 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
|
|
1849 | { |
|
|
1850 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
|
|
1851 | |
|
|
1852 | /* we copy this here each the time so that */ |
|
|
1853 | /* prev has the old value when the callback gets invoked */ |
|
|
1854 | w->prev = w->attr; |
|
|
1855 | ev_stat_stat (EV_A_ w); |
|
|
1856 | |
|
|
1857 | if (memcmp (&w->prev, &w->attr, sizeof (ev_statdata))) |
|
|
1858 | { |
|
|
1859 | #if EV_USE_INOTIFY |
|
|
1860 | infy_del (EV_A_ w); |
|
|
1861 | infy_add (EV_A_ w); |
|
|
1862 | ev_stat_stat (EV_A_ w); /* avoid race... */ |
|
|
1863 | #endif |
|
|
1864 | |
|
|
1865 | ev_feed_event (EV_A_ w, EV_STAT); |
|
|
1866 | } |
|
|
1867 | } |
|
|
1868 | |
|
|
1869 | void |
|
|
1870 | ev_stat_start (EV_P_ ev_stat *w) |
|
|
1871 | { |
|
|
1872 | if (expect_false (ev_is_active (w))) |
|
|
1873 | return; |
|
|
1874 | |
|
|
1875 | /* since we use memcmp, we need to clear any padding data etc. */ |
|
|
1876 | memset (&w->prev, 0, sizeof (ev_statdata)); |
|
|
1877 | memset (&w->attr, 0, sizeof (ev_statdata)); |
|
|
1878 | |
|
|
1879 | ev_stat_stat (EV_A_ w); |
|
|
1880 | |
|
|
1881 | if (w->interval < MIN_STAT_INTERVAL) |
|
|
1882 | w->interval = w->interval ? MIN_STAT_INTERVAL : DEF_STAT_INTERVAL; |
|
|
1883 | |
|
|
1884 | ev_timer_init (&w->timer, stat_timer_cb, w->interval, w->interval); |
|
|
1885 | ev_set_priority (&w->timer, ev_priority (w)); |
|
|
1886 | |
|
|
1887 | #if EV_USE_INOTIFY |
|
|
1888 | infy_init (EV_A); |
|
|
1889 | |
|
|
1890 | if (fs_fd >= 0) |
|
|
1891 | infy_add (EV_A_ w); |
|
|
1892 | else |
|
|
1893 | #endif |
|
|
1894 | ev_timer_start (EV_A_ &w->timer); |
|
|
1895 | |
|
|
1896 | ev_start (EV_A_ (W)w, 1); |
|
|
1897 | } |
|
|
1898 | |
|
|
1899 | void |
|
|
1900 | ev_stat_stop (EV_P_ ev_stat *w) |
|
|
1901 | { |
|
|
1902 | ev_clear_pending (EV_A_ (W)w); |
|
|
1903 | if (expect_false (!ev_is_active (w))) |
|
|
1904 | return; |
|
|
1905 | |
|
|
1906 | #if EV_USE_INOTIFY |
|
|
1907 | infy_del (EV_A_ w); |
|
|
1908 | #endif |
|
|
1909 | ev_timer_stop (EV_A_ &w->timer); |
|
|
1910 | |
|
|
1911 | ev_stop (EV_A_ (W)w); |
|
|
1912 | } |
|
|
1913 | #endif |
|
|
1914 | |
|
|
1915 | void |
|
|
1916 | ev_idle_start (EV_P_ ev_idle *w) |
|
|
1917 | { |
|
|
1918 | if (expect_false (ev_is_active (w))) |
|
|
1919 | return; |
|
|
1920 | |
|
|
1921 | ev_start (EV_A_ (W)w, ++idlecnt); |
|
|
1922 | array_needsize (ev_idle *, idles, idlemax, idlecnt, EMPTY2); |
|
|
1923 | idles [idlecnt - 1] = w; |
|
|
1924 | } |
|
|
1925 | |
|
|
1926 | void |
|
|
1927 | ev_idle_stop (EV_P_ ev_idle *w) |
|
|
1928 | { |
|
|
1929 | ev_clear_pending (EV_A_ (W)w); |
|
|
1930 | if (expect_false (!ev_is_active (w))) |
|
|
1931 | return; |
|
|
1932 | |
|
|
1933 | { |
|
|
1934 | int active = ((W)w)->active; |
|
|
1935 | idles [active - 1] = idles [--idlecnt]; |
|
|
1936 | ((W)idles [active - 1])->active = active; |
|
|
1937 | } |
|
|
1938 | |
|
|
1939 | ev_stop (EV_A_ (W)w); |
|
|
1940 | } |
|
|
1941 | |
|
|
1942 | void |
|
|
1943 | ev_prepare_start (EV_P_ ev_prepare *w) |
|
|
1944 | { |
|
|
1945 | if (expect_false (ev_is_active (w))) |
|
|
1946 | return; |
|
|
1947 | |
|
|
1948 | ev_start (EV_A_ (W)w, ++preparecnt); |
|
|
1949 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
|
|
1950 | prepares [preparecnt - 1] = w; |
|
|
1951 | } |
|
|
1952 | |
|
|
1953 | void |
|
|
1954 | ev_prepare_stop (EV_P_ ev_prepare *w) |
|
|
1955 | { |
|
|
1956 | ev_clear_pending (EV_A_ (W)w); |
|
|
1957 | if (expect_false (!ev_is_active (w))) |
|
|
1958 | return; |
|
|
1959 | |
|
|
1960 | { |
|
|
1961 | int active = ((W)w)->active; |
|
|
1962 | prepares [active - 1] = prepares [--preparecnt]; |
|
|
1963 | ((W)prepares [active - 1])->active = active; |
|
|
1964 | } |
|
|
1965 | |
|
|
1966 | ev_stop (EV_A_ (W)w); |
|
|
1967 | } |
|
|
1968 | |
|
|
1969 | void |
|
|
1970 | ev_check_start (EV_P_ ev_check *w) |
|
|
1971 | { |
|
|
1972 | if (expect_false (ev_is_active (w))) |
|
|
1973 | return; |
|
|
1974 | |
|
|
1975 | ev_start (EV_A_ (W)w, ++checkcnt); |
|
|
1976 | array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); |
|
|
1977 | checks [checkcnt - 1] = w; |
|
|
1978 | } |
|
|
1979 | |
|
|
1980 | void |
|
|
1981 | ev_check_stop (EV_P_ ev_check *w) |
|
|
1982 | { |
|
|
1983 | ev_clear_pending (EV_A_ (W)w); |
|
|
1984 | if (expect_false (!ev_is_active (w))) |
|
|
1985 | return; |
|
|
1986 | |
|
|
1987 | { |
|
|
1988 | int active = ((W)w)->active; |
|
|
1989 | checks [active - 1] = checks [--checkcnt]; |
|
|
1990 | ((W)checks [active - 1])->active = active; |
|
|
1991 | } |
|
|
1992 | |
1706 | ev_stop (EV_A_ (W)w); |
1993 | ev_stop (EV_A_ (W)w); |
1707 | } |
1994 | } |
1708 | |
1995 | |
1709 | #if EV_EMBED_ENABLE |
1996 | #if EV_EMBED_ENABLE |
1710 | void noinline |
1997 | void noinline |
… | |
… | |
1753 | |
2040 | |
1754 | ev_stop (EV_A_ (W)w); |
2041 | ev_stop (EV_A_ (W)w); |
1755 | } |
2042 | } |
1756 | #endif |
2043 | #endif |
1757 | |
2044 | |
1758 | #if EV_STAT_ENABLE |
2045 | #if EV_FORK_ENABLE |
1759 | |
|
|
1760 | # ifdef _WIN32 |
|
|
1761 | # define lstat(a,b) stat(a,b) |
|
|
1762 | # endif |
|
|
1763 | |
|
|
1764 | void |
2046 | void |
1765 | ev_stat_stat (EV_P_ ev_stat *w) |
|
|
1766 | { |
|
|
1767 | if (lstat (w->path, &w->attr) < 0) |
|
|
1768 | w->attr.st_nlink = 0; |
|
|
1769 | else if (!w->attr.st_nlink) |
|
|
1770 | w->attr.st_nlink = 1; |
|
|
1771 | } |
|
|
1772 | |
|
|
1773 | static void |
|
|
1774 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
|
|
1775 | { |
|
|
1776 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
|
|
1777 | |
|
|
1778 | /* we copy this here each the time so that */ |
|
|
1779 | /* prev has the old value when the callback gets invoked */ |
|
|
1780 | w->prev = w->attr; |
|
|
1781 | ev_stat_stat (EV_A_ w); |
|
|
1782 | |
|
|
1783 | if (memcmp (&w->prev, &w->attr, sizeof (ev_statdata))) |
|
|
1784 | ev_feed_event (EV_A_ w, EV_STAT); |
|
|
1785 | } |
|
|
1786 | |
|
|
1787 | void |
|
|
1788 | ev_stat_start (EV_P_ ev_stat *w) |
2047 | ev_fork_start (EV_P_ ev_fork *w) |
1789 | { |
2048 | { |
1790 | if (expect_false (ev_is_active (w))) |
2049 | if (expect_false (ev_is_active (w))) |
1791 | return; |
2050 | return; |
1792 | |
2051 | |
1793 | /* since we use memcmp, we need to clear any padding data etc. */ |
|
|
1794 | memset (&w->prev, 0, sizeof (ev_statdata)); |
|
|
1795 | memset (&w->attr, 0, sizeof (ev_statdata)); |
|
|
1796 | |
|
|
1797 | ev_stat_stat (EV_A_ w); |
|
|
1798 | |
|
|
1799 | ev_timer_init (&w->timer, stat_timer_cb, w->interval, w->interval); |
|
|
1800 | ev_set_priority (&w->timer, ev_priority (w)); |
|
|
1801 | ev_timer_start (EV_A_ &w->timer); |
|
|
1802 | |
|
|
1803 | ev_start (EV_A_ (W)w, 1); |
2052 | ev_start (EV_A_ (W)w, ++forkcnt); |
|
|
2053 | array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2); |
|
|
2054 | forks [forkcnt - 1] = w; |
1804 | } |
2055 | } |
1805 | |
2056 | |
1806 | void |
2057 | void |
1807 | ev_stat_stop (EV_P_ ev_stat *w) |
2058 | ev_fork_stop (EV_P_ ev_fork *w) |
1808 | { |
2059 | { |
1809 | ev_clear_pending (EV_A_ (W)w); |
2060 | ev_clear_pending (EV_A_ (W)w); |
1810 | if (expect_false (!ev_is_active (w))) |
2061 | if (expect_false (!ev_is_active (w))) |
1811 | return; |
2062 | return; |
1812 | |
2063 | |
1813 | ev_timer_stop (EV_A_ &w->timer); |
2064 | { |
|
|
2065 | int active = ((W)w)->active; |
|
|
2066 | forks [active - 1] = forks [--forkcnt]; |
|
|
2067 | ((W)forks [active - 1])->active = active; |
|
|
2068 | } |
1814 | |
2069 | |
1815 | ev_stop (EV_A_ (W)w); |
2070 | ev_stop (EV_A_ (W)w); |
1816 | } |
2071 | } |
1817 | #endif |
2072 | #endif |
1818 | |
2073 | |