… | |
… | |
51 | # ifndef EV_USE_MONOTONIC |
51 | # ifndef EV_USE_MONOTONIC |
52 | # define EV_USE_MONOTONIC 0 |
52 | # define EV_USE_MONOTONIC 0 |
53 | # endif |
53 | # endif |
54 | # ifndef EV_USE_REALTIME |
54 | # ifndef EV_USE_REALTIME |
55 | # define EV_USE_REALTIME 0 |
55 | # define EV_USE_REALTIME 0 |
|
|
56 | # endif |
|
|
57 | # endif |
|
|
58 | |
|
|
59 | # ifndef EV_USE_NANOSLEEP |
|
|
60 | # if HAVE_NANOSLEEP |
|
|
61 | # define EV_USE_NANOSLEEP 1 |
|
|
62 | # else |
|
|
63 | # define EV_USE_NANOSLEEP 0 |
56 | # endif |
64 | # endif |
57 | # endif |
65 | # endif |
58 | |
66 | |
59 | # ifndef EV_USE_SELECT |
67 | # ifndef EV_USE_SELECT |
60 | # if HAVE_SELECT && HAVE_SYS_SELECT_H |
68 | # if HAVE_SELECT && HAVE_SYS_SELECT_H |
… | |
… | |
146 | |
154 | |
147 | #ifndef EV_USE_REALTIME |
155 | #ifndef EV_USE_REALTIME |
148 | # define EV_USE_REALTIME 0 |
156 | # define EV_USE_REALTIME 0 |
149 | #endif |
157 | #endif |
150 | |
158 | |
|
|
159 | #ifndef EV_USE_NANOSLEEP |
|
|
160 | # define EV_USE_NANOSLEEP 0 |
|
|
161 | #endif |
|
|
162 | |
151 | #ifndef EV_USE_SELECT |
163 | #ifndef EV_USE_SELECT |
152 | # define EV_USE_SELECT 1 |
164 | # define EV_USE_SELECT 1 |
153 | #endif |
165 | #endif |
154 | |
166 | |
155 | #ifndef EV_USE_POLL |
167 | #ifndef EV_USE_POLL |
… | |
… | |
202 | #ifndef CLOCK_REALTIME |
214 | #ifndef CLOCK_REALTIME |
203 | # undef EV_USE_REALTIME |
215 | # undef EV_USE_REALTIME |
204 | # define EV_USE_REALTIME 0 |
216 | # define EV_USE_REALTIME 0 |
205 | #endif |
217 | #endif |
206 | |
218 | |
|
|
219 | #if !EV_STAT_ENABLE |
|
|
220 | # undef EV_USE_INOTIFY |
|
|
221 | # define EV_USE_INOTIFY 0 |
|
|
222 | #endif |
|
|
223 | |
|
|
224 | #if !EV_USE_NANOSLEEP |
|
|
225 | # ifndef _WIN32 |
|
|
226 | # include <sys/select.h> |
|
|
227 | # endif |
|
|
228 | #endif |
|
|
229 | |
|
|
230 | #if EV_USE_INOTIFY |
|
|
231 | # include <sys/inotify.h> |
|
|
232 | #endif |
|
|
233 | |
207 | #if EV_SELECT_IS_WINSOCKET |
234 | #if EV_SELECT_IS_WINSOCKET |
208 | # include <winsock.h> |
235 | # include <winsock.h> |
209 | #endif |
|
|
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 |
236 | #endif |
218 | |
237 | |
219 | /**/ |
238 | /**/ |
220 | |
239 | |
221 | /* |
240 | /* |
… | |
… | |
230 | |
249 | |
231 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
250 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
232 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
251 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
233 | /*#define CLEANUP_INTERVAL (MAX_BLOCKTIME * 5.) /* how often to try to free memory and re-check fds, TODO */ |
252 | /*#define CLEANUP_INTERVAL (MAX_BLOCKTIME * 5.) /* how often to try to free memory and re-check fds, TODO */ |
234 | |
253 | |
235 | #if __GNUC__ >= 3 |
254 | #if __GNUC__ >= 4 |
236 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
255 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
237 | # define noinline __attribute__ ((noinline)) |
256 | # define noinline __attribute__ ((noinline)) |
238 | #else |
257 | #else |
239 | # define expect(expr,value) (expr) |
258 | # define expect(expr,value) (expr) |
240 | # define noinline |
259 | # define noinline |
… | |
… | |
261 | |
280 | |
262 | typedef ev_watcher *W; |
281 | typedef ev_watcher *W; |
263 | typedef ev_watcher_list *WL; |
282 | typedef ev_watcher_list *WL; |
264 | typedef ev_watcher_time *WT; |
283 | typedef ev_watcher_time *WT; |
265 | |
284 | |
|
|
285 | /* sig_atomic_t is used to avoid per-thread variables or locking but still */ |
|
|
286 | /* giving it a reasonably high chance of working on typical architetcures */ |
266 | static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
287 | static sig_atomic_t have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
267 | |
288 | |
268 | #ifdef _WIN32 |
289 | #ifdef _WIN32 |
269 | # include "ev_win32.c" |
290 | # include "ev_win32.c" |
270 | #endif |
291 | #endif |
271 | |
292 | |
… | |
… | |
407 | { |
428 | { |
408 | return ev_rt_now; |
429 | return ev_rt_now; |
409 | } |
430 | } |
410 | #endif |
431 | #endif |
411 | |
432 | |
|
|
433 | void |
|
|
434 | ev_sleep (ev_tstamp delay) |
|
|
435 | { |
|
|
436 | if (delay > 0.) |
|
|
437 | { |
|
|
438 | #if EV_USE_NANOSLEEP |
|
|
439 | struct timespec ts; |
|
|
440 | |
|
|
441 | ts.tv_sec = (time_t)delay; |
|
|
442 | ts.tv_nsec = (long)((delay - (ev_tstamp)(ts.tv_sec)) * 1e9); |
|
|
443 | |
|
|
444 | nanosleep (&ts, 0); |
|
|
445 | #elif defined(_WIN32) |
|
|
446 | Sleep (delay * 1e3); |
|
|
447 | #else |
|
|
448 | struct timeval tv; |
|
|
449 | |
|
|
450 | tv.tv_sec = (time_t)delay; |
|
|
451 | tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); |
|
|
452 | |
|
|
453 | select (0, 0, 0, 0, &tv); |
|
|
454 | #endif |
|
|
455 | } |
|
|
456 | } |
|
|
457 | |
|
|
458 | /*****************************************************************************/ |
|
|
459 | |
412 | int inline_size |
460 | int inline_size |
413 | array_nextsize (int elem, int cur, int cnt) |
461 | array_nextsize (int elem, int cur, int cnt) |
414 | { |
462 | { |
415 | int ncur = cur + 1; |
463 | int ncur = cur + 1; |
416 | |
464 | |
… | |
… | |
476 | pendings [pri][w_->pending - 1].w = w_; |
524 | pendings [pri][w_->pending - 1].w = w_; |
477 | pendings [pri][w_->pending - 1].events = revents; |
525 | pendings [pri][w_->pending - 1].events = revents; |
478 | } |
526 | } |
479 | } |
527 | } |
480 | |
528 | |
481 | void inline_size |
529 | void inline_speed |
482 | queue_events (EV_P_ W *events, int eventcnt, int type) |
530 | queue_events (EV_P_ W *events, int eventcnt, int type) |
483 | { |
531 | { |
484 | int i; |
532 | int i; |
485 | |
533 | |
486 | for (i = 0; i < eventcnt; ++i) |
534 | for (i = 0; i < eventcnt; ++i) |
… | |
… | |
533 | { |
581 | { |
534 | int fd = fdchanges [i]; |
582 | int fd = fdchanges [i]; |
535 | ANFD *anfd = anfds + fd; |
583 | ANFD *anfd = anfds + fd; |
536 | ev_io *w; |
584 | ev_io *w; |
537 | |
585 | |
538 | int events = 0; |
586 | unsigned char events = 0; |
539 | |
587 | |
540 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
588 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
541 | events |= w->events; |
589 | events |= (unsigned char)w->events; |
542 | |
590 | |
543 | #if EV_SELECT_IS_WINSOCKET |
591 | #if EV_SELECT_IS_WINSOCKET |
544 | if (events) |
592 | if (events) |
545 | { |
593 | { |
546 | unsigned long argp; |
594 | unsigned long argp; |
547 | anfd->handle = _get_osfhandle (fd); |
595 | anfd->handle = _get_osfhandle (fd); |
548 | assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0)); |
596 | assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0)); |
549 | } |
597 | } |
550 | #endif |
598 | #endif |
551 | |
599 | |
|
|
600 | { |
|
|
601 | unsigned char o_events = anfd->events; |
|
|
602 | unsigned char o_reify = anfd->reify; |
|
|
603 | |
552 | anfd->reify = 0; |
604 | anfd->reify = 0; |
553 | |
|
|
554 | backend_modify (EV_A_ fd, anfd->events, events); |
|
|
555 | anfd->events = events; |
605 | anfd->events = events; |
|
|
606 | |
|
|
607 | if (o_events != events || o_reify & EV_IOFDSET) |
|
|
608 | backend_modify (EV_A_ fd, o_events, events); |
|
|
609 | } |
556 | } |
610 | } |
557 | |
611 | |
558 | fdchangecnt = 0; |
612 | fdchangecnt = 0; |
559 | } |
613 | } |
560 | |
614 | |
561 | void inline_size |
615 | void inline_size |
562 | fd_change (EV_P_ int fd) |
616 | fd_change (EV_P_ int fd, int flags) |
563 | { |
617 | { |
564 | if (expect_false (anfds [fd].reify)) |
618 | unsigned char reify = anfds [fd].reify; |
565 | return; |
|
|
566 | |
|
|
567 | anfds [fd].reify = 1; |
619 | anfds [fd].reify |= flags; |
568 | |
620 | |
|
|
621 | if (expect_true (!reify)) |
|
|
622 | { |
569 | ++fdchangecnt; |
623 | ++fdchangecnt; |
570 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
624 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
571 | fdchanges [fdchangecnt - 1] = fd; |
625 | fdchanges [fdchangecnt - 1] = fd; |
|
|
626 | } |
572 | } |
627 | } |
573 | |
628 | |
574 | void inline_speed |
629 | void inline_speed |
575 | fd_kill (EV_P_ int fd) |
630 | fd_kill (EV_P_ int fd) |
576 | { |
631 | { |
… | |
… | |
627 | |
682 | |
628 | for (fd = 0; fd < anfdmax; ++fd) |
683 | for (fd = 0; fd < anfdmax; ++fd) |
629 | if (anfds [fd].events) |
684 | if (anfds [fd].events) |
630 | { |
685 | { |
631 | anfds [fd].events = 0; |
686 | anfds [fd].events = 0; |
632 | fd_change (EV_A_ fd); |
687 | fd_change (EV_A_ fd, EV_IOFDSET | 1); |
633 | } |
688 | } |
634 | } |
689 | } |
635 | |
690 | |
636 | /*****************************************************************************/ |
691 | /*****************************************************************************/ |
637 | |
692 | |
638 | void inline_speed |
693 | void inline_speed |
639 | upheap (WT *heap, int k) |
694 | upheap (WT *heap, int k) |
640 | { |
695 | { |
641 | WT w = heap [k]; |
696 | WT w = heap [k]; |
642 | |
697 | |
643 | while (k && heap [k >> 1]->at > w->at) |
698 | while (k) |
644 | { |
699 | { |
|
|
700 | int p = (k - 1) >> 1; |
|
|
701 | |
|
|
702 | if (heap [p]->at <= w->at) |
|
|
703 | break; |
|
|
704 | |
645 | heap [k] = heap [k >> 1]; |
705 | heap [k] = heap [p]; |
646 | ((W)heap [k])->active = k + 1; |
706 | ((W)heap [k])->active = k + 1; |
647 | k >>= 1; |
707 | k = p; |
648 | } |
708 | } |
649 | |
709 | |
650 | heap [k] = w; |
710 | heap [k] = w; |
651 | ((W)heap [k])->active = k + 1; |
711 | ((W)heap [k])->active = k + 1; |
652 | |
|
|
653 | } |
712 | } |
654 | |
713 | |
655 | void inline_speed |
714 | void inline_speed |
656 | downheap (WT *heap, int N, int k) |
715 | downheap (WT *heap, int N, int k) |
657 | { |
716 | { |
658 | WT w = heap [k]; |
717 | WT w = heap [k]; |
659 | |
718 | |
660 | while (k < (N >> 1)) |
719 | for (;;) |
661 | { |
720 | { |
662 | int j = k << 1; |
721 | int c = (k << 1) + 1; |
663 | |
722 | |
664 | if (j + 1 < N && heap [j]->at > heap [j + 1]->at) |
723 | if (c >= N) |
665 | ++j; |
|
|
666 | |
|
|
667 | if (w->at <= heap [j]->at) |
|
|
668 | break; |
724 | break; |
669 | |
725 | |
|
|
726 | c += c + 1 < N && heap [c]->at > heap [c + 1]->at |
|
|
727 | ? 1 : 0; |
|
|
728 | |
|
|
729 | if (w->at <= heap [c]->at) |
|
|
730 | break; |
|
|
731 | |
670 | heap [k] = heap [j]; |
732 | heap [k] = heap [c]; |
671 | ((W)heap [k])->active = k + 1; |
733 | ((W)heap [k])->active = k + 1; |
|
|
734 | |
672 | k = j; |
735 | k = c; |
673 | } |
736 | } |
674 | |
737 | |
675 | heap [k] = w; |
738 | heap [k] = w; |
676 | ((W)heap [k])->active = k + 1; |
739 | ((W)heap [k])->active = k + 1; |
677 | } |
740 | } |
… | |
… | |
784 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
847 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
785 | } |
848 | } |
786 | |
849 | |
787 | /*****************************************************************************/ |
850 | /*****************************************************************************/ |
788 | |
851 | |
789 | static ev_child *childs [EV_PID_HASHSIZE]; |
852 | static WL childs [EV_PID_HASHSIZE]; |
790 | |
853 | |
791 | #ifndef _WIN32 |
854 | #ifndef _WIN32 |
792 | |
855 | |
793 | static ev_signal childev; |
856 | static ev_signal childev; |
794 | |
857 | |
… | |
… | |
909 | } |
972 | } |
910 | |
973 | |
911 | unsigned int |
974 | unsigned int |
912 | ev_embeddable_backends (void) |
975 | ev_embeddable_backends (void) |
913 | { |
976 | { |
|
|
977 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
914 | return EVBACKEND_EPOLL |
978 | return EVBACKEND_KQUEUE |
915 | | EVBACKEND_KQUEUE |
|
|
916 | | EVBACKEND_PORT; |
979 | | EVBACKEND_PORT; |
917 | } |
980 | } |
918 | |
981 | |
919 | unsigned int |
982 | unsigned int |
920 | ev_backend (EV_P) |
983 | ev_backend (EV_P) |
… | |
… | |
924 | |
987 | |
925 | unsigned int |
988 | unsigned int |
926 | ev_loop_count (EV_P) |
989 | ev_loop_count (EV_P) |
927 | { |
990 | { |
928 | return loop_count; |
991 | return loop_count; |
|
|
992 | } |
|
|
993 | |
|
|
994 | void |
|
|
995 | ev_set_io_collect_interval (EV_P_ ev_tstamp interval) |
|
|
996 | { |
|
|
997 | io_blocktime = interval; |
|
|
998 | } |
|
|
999 | |
|
|
1000 | void |
|
|
1001 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) |
|
|
1002 | { |
|
|
1003 | timeout_blocktime = interval; |
929 | } |
1004 | } |
930 | |
1005 | |
931 | static void noinline |
1006 | static void noinline |
932 | loop_init (EV_P_ unsigned int flags) |
1007 | loop_init (EV_P_ unsigned int flags) |
933 | { |
1008 | { |
… | |
… | |
944 | ev_rt_now = ev_time (); |
1019 | ev_rt_now = ev_time (); |
945 | mn_now = get_clock (); |
1020 | mn_now = get_clock (); |
946 | now_floor = mn_now; |
1021 | now_floor = mn_now; |
947 | rtmn_diff = ev_rt_now - mn_now; |
1022 | rtmn_diff = ev_rt_now - mn_now; |
948 | |
1023 | |
|
|
1024 | io_blocktime = 0.; |
|
|
1025 | timeout_blocktime = 0.; |
|
|
1026 | |
949 | /* pid check not overridable via env */ |
1027 | /* pid check not overridable via env */ |
950 | #ifndef _WIN32 |
1028 | #ifndef _WIN32 |
951 | if (flags & EVFLAG_FORKCHECK) |
1029 | if (flags & EVFLAG_FORKCHECK) |
952 | curpid = getpid (); |
1030 | curpid = getpid (); |
953 | #endif |
1031 | #endif |
… | |
… | |
1021 | array_free (pending, [i]); |
1099 | array_free (pending, [i]); |
1022 | #if EV_IDLE_ENABLE |
1100 | #if EV_IDLE_ENABLE |
1023 | array_free (idle, [i]); |
1101 | array_free (idle, [i]); |
1024 | #endif |
1102 | #endif |
1025 | } |
1103 | } |
|
|
1104 | |
|
|
1105 | ev_free (anfds); anfdmax = 0; |
1026 | |
1106 | |
1027 | /* have to use the microsoft-never-gets-it-right macro */ |
1107 | /* have to use the microsoft-never-gets-it-right macro */ |
1028 | array_free (fdchange, EMPTY); |
1108 | array_free (fdchange, EMPTY); |
1029 | array_free (timer, EMPTY); |
1109 | array_free (timer, EMPTY); |
1030 | #if EV_PERIODIC_ENABLE |
1110 | #if EV_PERIODIC_ENABLE |
1031 | array_free (periodic, EMPTY); |
1111 | array_free (periodic, EMPTY); |
|
|
1112 | #endif |
|
|
1113 | #if EV_FORK_ENABLE |
|
|
1114 | array_free (fork, EMPTY); |
1032 | #endif |
1115 | #endif |
1033 | array_free (prepare, EMPTY); |
1116 | array_free (prepare, EMPTY); |
1034 | array_free (check, EMPTY); |
1117 | array_free (check, EMPTY); |
1035 | |
1118 | |
1036 | backend = 0; |
1119 | backend = 0; |
… | |
… | |
1206 | void inline_size |
1289 | void inline_size |
1207 | timers_reify (EV_P) |
1290 | timers_reify (EV_P) |
1208 | { |
1291 | { |
1209 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
1292 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
1210 | { |
1293 | { |
1211 | ev_timer *w = timers [0]; |
1294 | ev_timer *w = (ev_timer *)timers [0]; |
1212 | |
1295 | |
1213 | /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/ |
1296 | /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/ |
1214 | |
1297 | |
1215 | /* first reschedule or stop timer */ |
1298 | /* first reschedule or stop timer */ |
1216 | if (w->repeat) |
1299 | if (w->repeat) |
… | |
… | |
1219 | |
1302 | |
1220 | ((WT)w)->at += w->repeat; |
1303 | ((WT)w)->at += w->repeat; |
1221 | if (((WT)w)->at < mn_now) |
1304 | if (((WT)w)->at < mn_now) |
1222 | ((WT)w)->at = mn_now; |
1305 | ((WT)w)->at = mn_now; |
1223 | |
1306 | |
1224 | downheap ((WT *)timers, timercnt, 0); |
1307 | downheap (timers, timercnt, 0); |
1225 | } |
1308 | } |
1226 | else |
1309 | else |
1227 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1310 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1228 | |
1311 | |
1229 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
1312 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
… | |
… | |
1234 | void inline_size |
1317 | void inline_size |
1235 | periodics_reify (EV_P) |
1318 | periodics_reify (EV_P) |
1236 | { |
1319 | { |
1237 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
1320 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
1238 | { |
1321 | { |
1239 | ev_periodic *w = periodics [0]; |
1322 | ev_periodic *w = (ev_periodic *)periodics [0]; |
1240 | |
1323 | |
1241 | /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ |
1324 | /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ |
1242 | |
1325 | |
1243 | /* first reschedule or stop timer */ |
1326 | /* first reschedule or stop timer */ |
1244 | if (w->reschedule_cb) |
1327 | if (w->reschedule_cb) |
1245 | { |
1328 | { |
1246 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + TIME_EPSILON); |
1329 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + TIME_EPSILON); |
1247 | assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now)); |
1330 | assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now)); |
1248 | downheap ((WT *)periodics, periodiccnt, 0); |
1331 | downheap (periodics, periodiccnt, 0); |
1249 | } |
1332 | } |
1250 | else if (w->interval) |
1333 | else if (w->interval) |
1251 | { |
1334 | { |
1252 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
1335 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
1253 | if (((WT)w)->at - ev_rt_now <= TIME_EPSILON) ((WT)w)->at += w->interval; |
1336 | if (((WT)w)->at - ev_rt_now <= TIME_EPSILON) ((WT)w)->at += w->interval; |
1254 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now)); |
1337 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now)); |
1255 | downheap ((WT *)periodics, periodiccnt, 0); |
1338 | downheap (periodics, periodiccnt, 0); |
1256 | } |
1339 | } |
1257 | else |
1340 | else |
1258 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1341 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1259 | |
1342 | |
1260 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
1343 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
… | |
… | |
1267 | int i; |
1350 | int i; |
1268 | |
1351 | |
1269 | /* adjust periodics after time jump */ |
1352 | /* adjust periodics after time jump */ |
1270 | for (i = 0; i < periodiccnt; ++i) |
1353 | for (i = 0; i < periodiccnt; ++i) |
1271 | { |
1354 | { |
1272 | ev_periodic *w = periodics [i]; |
1355 | ev_periodic *w = (ev_periodic *)periodics [i]; |
1273 | |
1356 | |
1274 | if (w->reschedule_cb) |
1357 | if (w->reschedule_cb) |
1275 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1358 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1276 | else if (w->interval) |
1359 | else if (w->interval) |
1277 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
1360 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
1278 | } |
1361 | } |
1279 | |
1362 | |
1280 | /* now rebuild the heap */ |
1363 | /* now rebuild the heap */ |
1281 | for (i = periodiccnt >> 1; i--; ) |
1364 | for (i = periodiccnt >> 1; i--; ) |
1282 | downheap ((WT *)periodics, periodiccnt, i); |
1365 | downheap (periodics, periodiccnt, i); |
1283 | } |
1366 | } |
1284 | #endif |
1367 | #endif |
1285 | |
1368 | |
1286 | #if EV_IDLE_ENABLE |
1369 | #if EV_IDLE_ENABLE |
1287 | void inline_size |
1370 | void inline_size |
… | |
… | |
1435 | /* update fd-related kernel structures */ |
1518 | /* update fd-related kernel structures */ |
1436 | fd_reify (EV_A); |
1519 | fd_reify (EV_A); |
1437 | |
1520 | |
1438 | /* calculate blocking time */ |
1521 | /* calculate blocking time */ |
1439 | { |
1522 | { |
1440 | ev_tstamp block; |
1523 | ev_tstamp waittime = 0.; |
|
|
1524 | ev_tstamp sleeptime = 0.; |
1441 | |
1525 | |
1442 | if (expect_false (flags & EVLOOP_NONBLOCK || idleall || !activecnt)) |
1526 | if (expect_true (!(flags & EVLOOP_NONBLOCK || idleall || !activecnt))) |
1443 | block = 0.; /* do not block at all */ |
|
|
1444 | else |
|
|
1445 | { |
1527 | { |
1446 | /* update time to cancel out callback processing overhead */ |
1528 | /* update time to cancel out callback processing overhead */ |
1447 | time_update (EV_A_ 1e100); |
1529 | time_update (EV_A_ 1e100); |
1448 | |
1530 | |
1449 | block = MAX_BLOCKTIME; |
1531 | waittime = MAX_BLOCKTIME; |
1450 | |
1532 | |
1451 | if (timercnt) |
1533 | if (timercnt) |
1452 | { |
1534 | { |
1453 | ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge; |
1535 | ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge; |
1454 | if (block > to) block = to; |
1536 | if (waittime > to) waittime = to; |
1455 | } |
1537 | } |
1456 | |
1538 | |
1457 | #if EV_PERIODIC_ENABLE |
1539 | #if EV_PERIODIC_ENABLE |
1458 | if (periodiccnt) |
1540 | if (periodiccnt) |
1459 | { |
1541 | { |
1460 | ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + backend_fudge; |
1542 | ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + backend_fudge; |
1461 | if (block > to) block = to; |
1543 | if (waittime > to) waittime = to; |
1462 | } |
1544 | } |
1463 | #endif |
1545 | #endif |
1464 | |
1546 | |
1465 | if (expect_false (block < 0.)) block = 0.; |
1547 | if (expect_false (waittime < timeout_blocktime)) |
|
|
1548 | waittime = timeout_blocktime; |
|
|
1549 | |
|
|
1550 | sleeptime = waittime - backend_fudge; |
|
|
1551 | |
|
|
1552 | if (expect_true (sleeptime > io_blocktime)) |
|
|
1553 | sleeptime = io_blocktime; |
|
|
1554 | |
|
|
1555 | if (sleeptime) |
|
|
1556 | { |
|
|
1557 | ev_sleep (sleeptime); |
|
|
1558 | waittime -= sleeptime; |
|
|
1559 | } |
1466 | } |
1560 | } |
1467 | |
1561 | |
1468 | ++loop_count; |
1562 | ++loop_count; |
1469 | backend_poll (EV_A_ block); |
1563 | backend_poll (EV_A_ waittime); |
1470 | |
1564 | |
1471 | /* update ev_rt_now, do magic */ |
1565 | /* update ev_rt_now, do magic */ |
1472 | time_update (EV_A_ block); |
1566 | time_update (EV_A_ waittime + sleeptime); |
1473 | } |
1567 | } |
1474 | |
1568 | |
1475 | /* queue pending timers and reschedule them */ |
1569 | /* queue pending timers and reschedule them */ |
1476 | timers_reify (EV_A); /* relative timers called last */ |
1570 | timers_reify (EV_A); /* relative timers called last */ |
1477 | #if EV_PERIODIC_ENABLE |
1571 | #if EV_PERIODIC_ENABLE |
… | |
… | |
1589 | |
1683 | |
1590 | assert (("ev_io_start called with negative fd", fd >= 0)); |
1684 | assert (("ev_io_start called with negative fd", fd >= 0)); |
1591 | |
1685 | |
1592 | ev_start (EV_A_ (W)w, 1); |
1686 | ev_start (EV_A_ (W)w, 1); |
1593 | array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init); |
1687 | array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init); |
1594 | wlist_add ((WL *)&anfds[fd].head, (WL)w); |
1688 | wlist_add (&anfds[fd].head, (WL)w); |
1595 | |
1689 | |
1596 | fd_change (EV_A_ fd); |
1690 | fd_change (EV_A_ fd, w->events & EV_IOFDSET | 1); |
|
|
1691 | w->events &= ~EV_IOFDSET; |
1597 | } |
1692 | } |
1598 | |
1693 | |
1599 | void noinline |
1694 | void noinline |
1600 | ev_io_stop (EV_P_ ev_io *w) |
1695 | ev_io_stop (EV_P_ ev_io *w) |
1601 | { |
1696 | { |
… | |
… | |
1603 | if (expect_false (!ev_is_active (w))) |
1698 | if (expect_false (!ev_is_active (w))) |
1604 | return; |
1699 | return; |
1605 | |
1700 | |
1606 | assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
1701 | assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
1607 | |
1702 | |
1608 | wlist_del ((WL *)&anfds[w->fd].head, (WL)w); |
1703 | wlist_del (&anfds[w->fd].head, (WL)w); |
1609 | ev_stop (EV_A_ (W)w); |
1704 | ev_stop (EV_A_ (W)w); |
1610 | |
1705 | |
1611 | fd_change (EV_A_ w->fd); |
1706 | fd_change (EV_A_ w->fd, 1); |
1612 | } |
1707 | } |
1613 | |
1708 | |
1614 | void noinline |
1709 | void noinline |
1615 | ev_timer_start (EV_P_ ev_timer *w) |
1710 | ev_timer_start (EV_P_ ev_timer *w) |
1616 | { |
1711 | { |
… | |
… | |
1620 | ((WT)w)->at += mn_now; |
1715 | ((WT)w)->at += mn_now; |
1621 | |
1716 | |
1622 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1717 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1623 | |
1718 | |
1624 | ev_start (EV_A_ (W)w, ++timercnt); |
1719 | ev_start (EV_A_ (W)w, ++timercnt); |
1625 | array_needsize (ev_timer *, timers, timermax, timercnt, EMPTY2); |
1720 | array_needsize (WT, timers, timermax, timercnt, EMPTY2); |
1626 | timers [timercnt - 1] = w; |
1721 | timers [timercnt - 1] = (WT)w; |
1627 | upheap ((WT *)timers, timercnt - 1); |
1722 | upheap (timers, timercnt - 1); |
1628 | |
1723 | |
1629 | /*assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));*/ |
1724 | /*assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));*/ |
1630 | } |
1725 | } |
1631 | |
1726 | |
1632 | void noinline |
1727 | void noinline |
… | |
… | |
1634 | { |
1729 | { |
1635 | clear_pending (EV_A_ (W)w); |
1730 | clear_pending (EV_A_ (W)w); |
1636 | if (expect_false (!ev_is_active (w))) |
1731 | if (expect_false (!ev_is_active (w))) |
1637 | return; |
1732 | return; |
1638 | |
1733 | |
1639 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1734 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == (WT)w)); |
1640 | |
1735 | |
1641 | { |
1736 | { |
1642 | int active = ((W)w)->active; |
1737 | int active = ((W)w)->active; |
1643 | |
1738 | |
1644 | if (expect_true (--active < --timercnt)) |
1739 | if (expect_true (--active < --timercnt)) |
1645 | { |
1740 | { |
1646 | timers [active] = timers [timercnt]; |
1741 | timers [active] = timers [timercnt]; |
1647 | adjustheap ((WT *)timers, timercnt, active); |
1742 | adjustheap (timers, timercnt, active); |
1648 | } |
1743 | } |
1649 | } |
1744 | } |
1650 | |
1745 | |
1651 | ((WT)w)->at -= mn_now; |
1746 | ((WT)w)->at -= mn_now; |
1652 | |
1747 | |
… | |
… | |
1659 | if (ev_is_active (w)) |
1754 | if (ev_is_active (w)) |
1660 | { |
1755 | { |
1661 | if (w->repeat) |
1756 | if (w->repeat) |
1662 | { |
1757 | { |
1663 | ((WT)w)->at = mn_now + w->repeat; |
1758 | ((WT)w)->at = mn_now + w->repeat; |
1664 | adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1759 | adjustheap (timers, timercnt, ((W)w)->active - 1); |
1665 | } |
1760 | } |
1666 | else |
1761 | else |
1667 | ev_timer_stop (EV_A_ w); |
1762 | ev_timer_stop (EV_A_ w); |
1668 | } |
1763 | } |
1669 | else if (w->repeat) |
1764 | else if (w->repeat) |
… | |
… | |
1690 | } |
1785 | } |
1691 | else |
1786 | else |
1692 | ((WT)w)->at = w->offset; |
1787 | ((WT)w)->at = w->offset; |
1693 | |
1788 | |
1694 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1789 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1695 | array_needsize (ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2); |
1790 | array_needsize (WT, periodics, periodicmax, periodiccnt, EMPTY2); |
1696 | periodics [periodiccnt - 1] = w; |
1791 | periodics [periodiccnt - 1] = (WT)w; |
1697 | upheap ((WT *)periodics, periodiccnt - 1); |
1792 | upheap (periodics, periodiccnt - 1); |
1698 | |
1793 | |
1699 | /*assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));*/ |
1794 | /*assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));*/ |
1700 | } |
1795 | } |
1701 | |
1796 | |
1702 | void noinline |
1797 | void noinline |
… | |
… | |
1704 | { |
1799 | { |
1705 | clear_pending (EV_A_ (W)w); |
1800 | clear_pending (EV_A_ (W)w); |
1706 | if (expect_false (!ev_is_active (w))) |
1801 | if (expect_false (!ev_is_active (w))) |
1707 | return; |
1802 | return; |
1708 | |
1803 | |
1709 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1804 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == (WT)w)); |
1710 | |
1805 | |
1711 | { |
1806 | { |
1712 | int active = ((W)w)->active; |
1807 | int active = ((W)w)->active; |
1713 | |
1808 | |
1714 | if (expect_true (--active < --periodiccnt)) |
1809 | if (expect_true (--active < --periodiccnt)) |
1715 | { |
1810 | { |
1716 | periodics [active] = periodics [periodiccnt]; |
1811 | periodics [active] = periodics [periodiccnt]; |
1717 | adjustheap ((WT *)periodics, periodiccnt, active); |
1812 | adjustheap (periodics, periodiccnt, active); |
1718 | } |
1813 | } |
1719 | } |
1814 | } |
1720 | |
1815 | |
1721 | ev_stop (EV_A_ (W)w); |
1816 | ev_stop (EV_A_ (W)w); |
1722 | } |
1817 | } |
… | |
… | |
1743 | if (expect_false (ev_is_active (w))) |
1838 | if (expect_false (ev_is_active (w))) |
1744 | return; |
1839 | return; |
1745 | |
1840 | |
1746 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
1841 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
1747 | |
1842 | |
|
|
1843 | { |
|
|
1844 | #ifndef _WIN32 |
|
|
1845 | sigset_t full, prev; |
|
|
1846 | sigfillset (&full); |
|
|
1847 | sigprocmask (SIG_SETMASK, &full, &prev); |
|
|
1848 | #endif |
|
|
1849 | |
|
|
1850 | array_needsize (ANSIG, signals, signalmax, w->signum, signals_init); |
|
|
1851 | |
|
|
1852 | #ifndef _WIN32 |
|
|
1853 | sigprocmask (SIG_SETMASK, &prev, 0); |
|
|
1854 | #endif |
|
|
1855 | } |
|
|
1856 | |
1748 | ev_start (EV_A_ (W)w, 1); |
1857 | ev_start (EV_A_ (W)w, 1); |
1749 | array_needsize (ANSIG, signals, signalmax, w->signum, signals_init); |
|
|
1750 | wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w); |
1858 | wlist_add (&signals [w->signum - 1].head, (WL)w); |
1751 | |
1859 | |
1752 | if (!((WL)w)->next) |
1860 | if (!((WL)w)->next) |
1753 | { |
1861 | { |
1754 | #if _WIN32 |
1862 | #if _WIN32 |
1755 | signal (w->signum, sighandler); |
1863 | signal (w->signum, sighandler); |
… | |
… | |
1768 | { |
1876 | { |
1769 | clear_pending (EV_A_ (W)w); |
1877 | clear_pending (EV_A_ (W)w); |
1770 | if (expect_false (!ev_is_active (w))) |
1878 | if (expect_false (!ev_is_active (w))) |
1771 | return; |
1879 | return; |
1772 | |
1880 | |
1773 | wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w); |
1881 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
1774 | ev_stop (EV_A_ (W)w); |
1882 | ev_stop (EV_A_ (W)w); |
1775 | |
1883 | |
1776 | if (!signals [w->signum - 1].head) |
1884 | if (!signals [w->signum - 1].head) |
1777 | signal (w->signum, SIG_DFL); |
1885 | signal (w->signum, SIG_DFL); |
1778 | } |
1886 | } |
… | |
… | |
1785 | #endif |
1893 | #endif |
1786 | if (expect_false (ev_is_active (w))) |
1894 | if (expect_false (ev_is_active (w))) |
1787 | return; |
1895 | return; |
1788 | |
1896 | |
1789 | ev_start (EV_A_ (W)w, 1); |
1897 | ev_start (EV_A_ (W)w, 1); |
1790 | wlist_add ((WL *)&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
1898 | wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
1791 | } |
1899 | } |
1792 | |
1900 | |
1793 | void |
1901 | void |
1794 | ev_child_stop (EV_P_ ev_child *w) |
1902 | ev_child_stop (EV_P_ ev_child *w) |
1795 | { |
1903 | { |
1796 | clear_pending (EV_A_ (W)w); |
1904 | clear_pending (EV_A_ (W)w); |
1797 | if (expect_false (!ev_is_active (w))) |
1905 | if (expect_false (!ev_is_active (w))) |
1798 | return; |
1906 | return; |
1799 | |
1907 | |
1800 | wlist_del ((WL *)&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
1908 | wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
1801 | ev_stop (EV_A_ (W)w); |
1909 | ev_stop (EV_A_ (W)w); |
1802 | } |
1910 | } |
1803 | |
1911 | |
1804 | #if EV_STAT_ENABLE |
1912 | #if EV_STAT_ENABLE |
1805 | |
1913 | |
… | |
… | |
2147 | |
2255 | |
2148 | #if EV_EMBED_ENABLE |
2256 | #if EV_EMBED_ENABLE |
2149 | void noinline |
2257 | void noinline |
2150 | ev_embed_sweep (EV_P_ ev_embed *w) |
2258 | ev_embed_sweep (EV_P_ ev_embed *w) |
2151 | { |
2259 | { |
2152 | ev_loop (w->loop, EVLOOP_NONBLOCK); |
2260 | ev_loop (w->other, EVLOOP_NONBLOCK); |
2153 | } |
2261 | } |
2154 | |
2262 | |
2155 | static void |
2263 | static void |
2156 | embed_cb (EV_P_ ev_io *io, int revents) |
2264 | embed_io_cb (EV_P_ ev_io *io, int revents) |
2157 | { |
2265 | { |
2158 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
2266 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
2159 | |
2267 | |
2160 | if (ev_cb (w)) |
2268 | if (ev_cb (w)) |
2161 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
2269 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
2162 | else |
2270 | else |
2163 | ev_embed_sweep (loop, w); |
2271 | ev_embed_sweep (loop, w); |
2164 | } |
2272 | } |
2165 | |
2273 | |
|
|
2274 | static void |
|
|
2275 | embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) |
|
|
2276 | { |
|
|
2277 | ev_embed *w = (ev_embed *)(((char *)prepare) - offsetof (ev_embed, prepare)); |
|
|
2278 | |
|
|
2279 | fd_reify (w->other); |
|
|
2280 | } |
|
|
2281 | |
2166 | void |
2282 | void |
2167 | ev_embed_start (EV_P_ ev_embed *w) |
2283 | ev_embed_start (EV_P_ ev_embed *w) |
2168 | { |
2284 | { |
2169 | if (expect_false (ev_is_active (w))) |
2285 | if (expect_false (ev_is_active (w))) |
2170 | return; |
2286 | return; |
2171 | |
2287 | |
2172 | { |
2288 | { |
2173 | struct ev_loop *loop = w->loop; |
2289 | struct ev_loop *loop = w->other; |
2174 | assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
2290 | assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
2175 | ev_io_init (&w->io, embed_cb, backend_fd, EV_READ); |
2291 | ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ); |
2176 | } |
2292 | } |
2177 | |
2293 | |
2178 | ev_set_priority (&w->io, ev_priority (w)); |
2294 | ev_set_priority (&w->io, ev_priority (w)); |
2179 | ev_io_start (EV_A_ &w->io); |
2295 | ev_io_start (EV_A_ &w->io); |
2180 | |
2296 | |
|
|
2297 | ev_prepare_init (&w->prepare, embed_prepare_cb); |
|
|
2298 | ev_set_priority (&w->prepare, EV_MINPRI); |
|
|
2299 | ev_prepare_start (EV_A_ &w->prepare); |
|
|
2300 | |
2181 | ev_start (EV_A_ (W)w, 1); |
2301 | ev_start (EV_A_ (W)w, 1); |
2182 | } |
2302 | } |
2183 | |
2303 | |
2184 | void |
2304 | void |
2185 | ev_embed_stop (EV_P_ ev_embed *w) |
2305 | ev_embed_stop (EV_P_ ev_embed *w) |
… | |
… | |
2187 | clear_pending (EV_A_ (W)w); |
2307 | clear_pending (EV_A_ (W)w); |
2188 | if (expect_false (!ev_is_active (w))) |
2308 | if (expect_false (!ev_is_active (w))) |
2189 | return; |
2309 | return; |
2190 | |
2310 | |
2191 | ev_io_stop (EV_A_ &w->io); |
2311 | ev_io_stop (EV_A_ &w->io); |
|
|
2312 | ev_prepare_stop (EV_A_ &w->prepare); |
2192 | |
2313 | |
2193 | ev_stop (EV_A_ (W)w); |
2314 | ev_stop (EV_A_ (W)w); |
2194 | } |
2315 | } |
2195 | #endif |
2316 | #endif |
2196 | |
2317 | |
… | |
… | |
2285 | ev_timer_set (&once->to, timeout, 0.); |
2406 | ev_timer_set (&once->to, timeout, 0.); |
2286 | ev_timer_start (EV_A_ &once->to); |
2407 | ev_timer_start (EV_A_ &once->to); |
2287 | } |
2408 | } |
2288 | } |
2409 | } |
2289 | |
2410 | |
|
|
2411 | #if EV_MULTIPLICITY |
|
|
2412 | #include "ev_wrap.h" |
|
|
2413 | #endif |
|
|
2414 | |
2290 | #ifdef __cplusplus |
2415 | #ifdef __cplusplus |
2291 | } |
2416 | } |
2292 | #endif |
2417 | #endif |
2293 | |
2418 | |