… | |
… | |
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 |
236 | #endif |
210 | |
237 | |
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 | |
|
|
219 | /**/ |
238 | /**/ |
|
|
239 | |
|
|
240 | /* |
|
|
241 | * This is used to avoid floating point rounding problems. |
|
|
242 | * It is added to ev_rt_now when scheduling periodics |
|
|
243 | * to ensure progress, time-wise, even when rounding |
|
|
244 | * errors are against us. |
|
|
245 | * This value is good at least till the year 4000. |
|
|
246 | * Better solutions welcome. |
|
|
247 | */ |
|
|
248 | #define TIME_EPSILON 0.0001220703125 /* 1/8192 */ |
220 | |
249 | |
221 | #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) */ |
222 | #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) */ |
223 | /*#define CLEANUP_INTERVAL (MAX_BLOCKTIME * 5.) /* how often to try to free memory and re-check fds */ |
252 | /*#define CLEANUP_INTERVAL (MAX_BLOCKTIME * 5.) /* how often to try to free memory and re-check fds, TODO */ |
224 | |
253 | |
225 | #if __GNUC__ >= 3 |
254 | #if __GNUC__ >= 4 |
226 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
255 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
227 | # define inline_size static inline /* inline for codesize */ |
|
|
228 | # if EV_MINIMAL |
|
|
229 | # define noinline __attribute__ ((noinline)) |
256 | # define noinline __attribute__ ((noinline)) |
230 | # define inline_speed static noinline |
|
|
231 | # else |
|
|
232 | # define noinline |
|
|
233 | # define inline_speed static inline |
|
|
234 | # endif |
|
|
235 | #else |
257 | #else |
236 | # define expect(expr,value) (expr) |
258 | # define expect(expr,value) (expr) |
237 | # define inline_speed static |
|
|
238 | # define inline_size static |
|
|
239 | # define noinline |
259 | # define noinline |
|
|
260 | # if __STDC_VERSION__ < 199901L |
|
|
261 | # define inline |
|
|
262 | # endif |
240 | #endif |
263 | #endif |
241 | |
264 | |
242 | #define expect_false(expr) expect ((expr) != 0, 0) |
265 | #define expect_false(expr) expect ((expr) != 0, 0) |
243 | #define expect_true(expr) expect ((expr) != 0, 1) |
266 | #define expect_true(expr) expect ((expr) != 0, 1) |
|
|
267 | #define inline_size static inline |
|
|
268 | |
|
|
269 | #if EV_MINIMAL |
|
|
270 | # define inline_speed static noinline |
|
|
271 | #else |
|
|
272 | # define inline_speed static inline |
|
|
273 | #endif |
244 | |
274 | |
245 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
275 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
246 | #define ABSPRI(w) (((W)w)->priority - EV_MINPRI) |
276 | #define ABSPRI(w) (((W)w)->priority - EV_MINPRI) |
247 | |
277 | |
248 | #define EMPTY /* required for microsofts broken pseudo-c compiler */ |
278 | #define EMPTY /* required for microsofts broken pseudo-c compiler */ |
… | |
… | |
396 | { |
426 | { |
397 | return ev_rt_now; |
427 | return ev_rt_now; |
398 | } |
428 | } |
399 | #endif |
429 | #endif |
400 | |
430 | |
|
|
431 | void |
|
|
432 | ev_sleep (ev_tstamp delay) |
|
|
433 | { |
|
|
434 | if (delay > 0.) |
|
|
435 | { |
|
|
436 | #if EV_USE_NANOSLEEP |
|
|
437 | struct timespec ts; |
|
|
438 | |
|
|
439 | ts.tv_sec = (time_t)delay; |
|
|
440 | ts.tv_nsec = (long)((delay - (ev_tstamp)(ts.tv_sec)) * 1e9); |
|
|
441 | |
|
|
442 | nanosleep (&ts, 0); |
|
|
443 | #elif defined(_WIN32) |
|
|
444 | Sleep (delay * 1e3); |
|
|
445 | #else |
|
|
446 | struct timeval tv; |
|
|
447 | |
|
|
448 | tv.tv_sec = (time_t)delay; |
|
|
449 | tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); |
|
|
450 | |
|
|
451 | select (0, 0, 0, 0, &tv); |
|
|
452 | #endif |
|
|
453 | } |
|
|
454 | } |
|
|
455 | |
|
|
456 | /*****************************************************************************/ |
|
|
457 | |
401 | int inline_size |
458 | int inline_size |
402 | array_nextsize (int elem, int cur, int cnt) |
459 | array_nextsize (int elem, int cur, int cnt) |
403 | { |
460 | { |
404 | int ncur = cur + 1; |
461 | int ncur = cur + 1; |
405 | |
462 | |
… | |
… | |
417 | } |
474 | } |
418 | |
475 | |
419 | return ncur; |
476 | return ncur; |
420 | } |
477 | } |
421 | |
478 | |
422 | inline_speed void * |
479 | static noinline void * |
423 | array_realloc (int elem, void *base, int *cur, int cnt) |
480 | array_realloc (int elem, void *base, int *cur, int cnt) |
424 | { |
481 | { |
425 | *cur = array_nextsize (elem, *cur, cnt); |
482 | *cur = array_nextsize (elem, *cur, cnt); |
426 | return ev_realloc (base, elem * *cur); |
483 | return ev_realloc (base, elem * *cur); |
427 | } |
484 | } |
… | |
… | |
452 | |
509 | |
453 | void noinline |
510 | void noinline |
454 | ev_feed_event (EV_P_ void *w, int revents) |
511 | ev_feed_event (EV_P_ void *w, int revents) |
455 | { |
512 | { |
456 | W w_ = (W)w; |
513 | W w_ = (W)w; |
|
|
514 | int pri = ABSPRI (w_); |
457 | |
515 | |
458 | if (expect_false (w_->pending)) |
516 | if (expect_false (w_->pending)) |
|
|
517 | pendings [pri][w_->pending - 1].events |= revents; |
|
|
518 | else |
459 | { |
519 | { |
|
|
520 | w_->pending = ++pendingcnt [pri]; |
|
|
521 | array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2); |
|
|
522 | pendings [pri][w_->pending - 1].w = w_; |
460 | pendings [ABSPRI (w_)][w_->pending - 1].events |= revents; |
523 | pendings [pri][w_->pending - 1].events = revents; |
461 | return; |
|
|
462 | } |
524 | } |
463 | |
|
|
464 | w_->pending = ++pendingcnt [ABSPRI (w_)]; |
|
|
465 | array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], EMPTY2); |
|
|
466 | pendings [ABSPRI (w_)][w_->pending - 1].w = w_; |
|
|
467 | pendings [ABSPRI (w_)][w_->pending - 1].events = revents; |
|
|
468 | } |
525 | } |
469 | |
526 | |
470 | void inline_size |
527 | void inline_speed |
471 | queue_events (EV_P_ W *events, int eventcnt, int type) |
528 | queue_events (EV_P_ W *events, int eventcnt, int type) |
472 | { |
529 | { |
473 | int i; |
530 | int i; |
474 | |
531 | |
475 | for (i = 0; i < eventcnt; ++i) |
532 | for (i = 0; i < eventcnt; ++i) |
… | |
… | |
507 | } |
564 | } |
508 | |
565 | |
509 | void |
566 | void |
510 | ev_feed_fd_event (EV_P_ int fd, int revents) |
567 | ev_feed_fd_event (EV_P_ int fd, int revents) |
511 | { |
568 | { |
|
|
569 | if (fd >= 0 && fd < anfdmax) |
512 | fd_event (EV_A_ fd, revents); |
570 | fd_event (EV_A_ fd, revents); |
513 | } |
571 | } |
514 | |
572 | |
515 | void inline_size |
573 | void inline_size |
516 | fd_reify (EV_P) |
574 | fd_reify (EV_P) |
517 | { |
575 | { |
… | |
… | |
521 | { |
579 | { |
522 | int fd = fdchanges [i]; |
580 | int fd = fdchanges [i]; |
523 | ANFD *anfd = anfds + fd; |
581 | ANFD *anfd = anfds + fd; |
524 | ev_io *w; |
582 | ev_io *w; |
525 | |
583 | |
526 | int events = 0; |
584 | unsigned char events = 0; |
527 | |
585 | |
528 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
586 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
529 | events |= w->events; |
587 | events |= (unsigned char)w->events; |
530 | |
588 | |
531 | #if EV_SELECT_IS_WINSOCKET |
589 | #if EV_SELECT_IS_WINSOCKET |
532 | if (events) |
590 | if (events) |
533 | { |
591 | { |
534 | unsigned long argp; |
592 | unsigned long argp; |
535 | anfd->handle = _get_osfhandle (fd); |
593 | anfd->handle = _get_osfhandle (fd); |
536 | assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0)); |
594 | assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0)); |
537 | } |
595 | } |
538 | #endif |
596 | #endif |
539 | |
597 | |
|
|
598 | { |
|
|
599 | unsigned char o_events = anfd->events; |
|
|
600 | unsigned char o_reify = anfd->reify; |
|
|
601 | |
540 | anfd->reify = 0; |
602 | anfd->reify = 0; |
541 | |
|
|
542 | backend_modify (EV_A_ fd, anfd->events, events); |
|
|
543 | anfd->events = events; |
603 | anfd->events = events; |
|
|
604 | |
|
|
605 | if (o_events != events || o_reify & EV_IOFDSET) |
|
|
606 | backend_modify (EV_A_ fd, o_events, events); |
|
|
607 | } |
544 | } |
608 | } |
545 | |
609 | |
546 | fdchangecnt = 0; |
610 | fdchangecnt = 0; |
547 | } |
611 | } |
548 | |
612 | |
549 | void inline_size |
613 | void inline_size |
550 | fd_change (EV_P_ int fd) |
614 | fd_change (EV_P_ int fd, int flags) |
551 | { |
615 | { |
552 | if (expect_false (anfds [fd].reify)) |
616 | unsigned char reify = anfds [fd].reify; |
553 | return; |
|
|
554 | |
|
|
555 | anfds [fd].reify = 1; |
617 | anfds [fd].reify |= flags; |
556 | |
618 | |
|
|
619 | if (expect_true (!reify)) |
|
|
620 | { |
557 | ++fdchangecnt; |
621 | ++fdchangecnt; |
558 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
622 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
559 | fdchanges [fdchangecnt - 1] = fd; |
623 | fdchanges [fdchangecnt - 1] = fd; |
|
|
624 | } |
560 | } |
625 | } |
561 | |
626 | |
562 | void inline_speed |
627 | void inline_speed |
563 | fd_kill (EV_P_ int fd) |
628 | fd_kill (EV_P_ int fd) |
564 | { |
629 | { |
… | |
… | |
615 | |
680 | |
616 | for (fd = 0; fd < anfdmax; ++fd) |
681 | for (fd = 0; fd < anfdmax; ++fd) |
617 | if (anfds [fd].events) |
682 | if (anfds [fd].events) |
618 | { |
683 | { |
619 | anfds [fd].events = 0; |
684 | anfds [fd].events = 0; |
620 | fd_change (EV_A_ fd); |
685 | fd_change (EV_A_ fd, EV_IOFDSET | 1); |
621 | } |
686 | } |
622 | } |
687 | } |
623 | |
688 | |
624 | /*****************************************************************************/ |
689 | /*****************************************************************************/ |
625 | |
690 | |
626 | void inline_speed |
691 | void inline_speed |
627 | upheap (WT *heap, int k) |
692 | upheap (WT *heap, int k) |
628 | { |
693 | { |
629 | WT w = heap [k]; |
694 | WT w = heap [k]; |
630 | |
695 | |
631 | while (k && heap [k >> 1]->at > w->at) |
696 | while (k) |
632 | { |
697 | { |
|
|
698 | int p = (k - 1) >> 1; |
|
|
699 | |
|
|
700 | if (heap [p]->at <= w->at) |
|
|
701 | break; |
|
|
702 | |
633 | heap [k] = heap [k >> 1]; |
703 | heap [k] = heap [p]; |
634 | ((W)heap [k])->active = k + 1; |
704 | ((W)heap [k])->active = k + 1; |
635 | k >>= 1; |
705 | k = p; |
636 | } |
706 | } |
637 | |
707 | |
638 | heap [k] = w; |
708 | heap [k] = w; |
639 | ((W)heap [k])->active = k + 1; |
709 | ((W)heap [k])->active = k + 1; |
640 | |
|
|
641 | } |
710 | } |
642 | |
711 | |
643 | void inline_speed |
712 | void inline_speed |
644 | downheap (WT *heap, int N, int k) |
713 | downheap (WT *heap, int N, int k) |
645 | { |
714 | { |
646 | WT w = heap [k]; |
715 | WT w = heap [k]; |
647 | |
716 | |
648 | while (k < (N >> 1)) |
717 | for (;;) |
649 | { |
718 | { |
650 | int j = k << 1; |
719 | int c = (k << 1) + 1; |
651 | |
720 | |
652 | if (j + 1 < N && heap [j]->at > heap [j + 1]->at) |
721 | if (c >= N) |
653 | ++j; |
|
|
654 | |
|
|
655 | if (w->at <= heap [j]->at) |
|
|
656 | break; |
722 | break; |
657 | |
723 | |
|
|
724 | c += c + 1 < N && heap [c]->at > heap [c + 1]->at |
|
|
725 | ? 1 : 0; |
|
|
726 | |
|
|
727 | if (w->at <= heap [c]->at) |
|
|
728 | break; |
|
|
729 | |
658 | heap [k] = heap [j]; |
730 | heap [k] = heap [c]; |
659 | ((W)heap [k])->active = k + 1; |
731 | ((W)heap [k])->active = k + 1; |
|
|
732 | |
660 | k = j; |
733 | k = c; |
661 | } |
734 | } |
662 | |
735 | |
663 | heap [k] = w; |
736 | heap [k] = w; |
664 | ((W)heap [k])->active = k + 1; |
737 | ((W)heap [k])->active = k + 1; |
665 | } |
738 | } |
… | |
… | |
747 | for (signum = signalmax; signum--; ) |
820 | for (signum = signalmax; signum--; ) |
748 | if (signals [signum].gotsig) |
821 | if (signals [signum].gotsig) |
749 | ev_feed_signal_event (EV_A_ signum + 1); |
822 | ev_feed_signal_event (EV_A_ signum + 1); |
750 | } |
823 | } |
751 | |
824 | |
752 | void inline_size |
825 | void inline_speed |
753 | fd_intern (int fd) |
826 | fd_intern (int fd) |
754 | { |
827 | { |
755 | #ifdef _WIN32 |
828 | #ifdef _WIN32 |
756 | int arg = 1; |
829 | int arg = 1; |
757 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
830 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
… | |
… | |
772 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
845 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
773 | } |
846 | } |
774 | |
847 | |
775 | /*****************************************************************************/ |
848 | /*****************************************************************************/ |
776 | |
849 | |
777 | static ev_child *childs [EV_PID_HASHSIZE]; |
850 | static WL childs [EV_PID_HASHSIZE]; |
778 | |
851 | |
779 | #ifndef _WIN32 |
852 | #ifndef _WIN32 |
780 | |
853 | |
781 | static ev_signal childev; |
854 | static ev_signal childev; |
782 | |
855 | |
… | |
… | |
897 | } |
970 | } |
898 | |
971 | |
899 | unsigned int |
972 | unsigned int |
900 | ev_embeddable_backends (void) |
973 | ev_embeddable_backends (void) |
901 | { |
974 | { |
|
|
975 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
902 | return EVBACKEND_EPOLL |
976 | return EVBACKEND_KQUEUE |
903 | | EVBACKEND_KQUEUE |
|
|
904 | | EVBACKEND_PORT; |
977 | | EVBACKEND_PORT; |
905 | } |
978 | } |
906 | |
979 | |
907 | unsigned int |
980 | unsigned int |
908 | ev_backend (EV_P) |
981 | ev_backend (EV_P) |
… | |
… | |
912 | |
985 | |
913 | unsigned int |
986 | unsigned int |
914 | ev_loop_count (EV_P) |
987 | ev_loop_count (EV_P) |
915 | { |
988 | { |
916 | return loop_count; |
989 | return loop_count; |
|
|
990 | } |
|
|
991 | |
|
|
992 | void |
|
|
993 | ev_set_io_collect_interval (EV_P_ ev_tstamp interval) |
|
|
994 | { |
|
|
995 | io_blocktime = interval; |
|
|
996 | } |
|
|
997 | |
|
|
998 | void |
|
|
999 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) |
|
|
1000 | { |
|
|
1001 | timeout_blocktime = interval; |
917 | } |
1002 | } |
918 | |
1003 | |
919 | static void noinline |
1004 | static void noinline |
920 | loop_init (EV_P_ unsigned int flags) |
1005 | loop_init (EV_P_ unsigned int flags) |
921 | { |
1006 | { |
… | |
… | |
932 | ev_rt_now = ev_time (); |
1017 | ev_rt_now = ev_time (); |
933 | mn_now = get_clock (); |
1018 | mn_now = get_clock (); |
934 | now_floor = mn_now; |
1019 | now_floor = mn_now; |
935 | rtmn_diff = ev_rt_now - mn_now; |
1020 | rtmn_diff = ev_rt_now - mn_now; |
936 | |
1021 | |
|
|
1022 | io_blocktime = 0.; |
|
|
1023 | timeout_blocktime = 0.; |
|
|
1024 | |
937 | /* pid check not overridable via env */ |
1025 | /* pid check not overridable via env */ |
938 | #ifndef _WIN32 |
1026 | #ifndef _WIN32 |
939 | if (flags & EVFLAG_FORKCHECK) |
1027 | if (flags & EVFLAG_FORKCHECK) |
940 | curpid = getpid (); |
1028 | curpid = getpid (); |
941 | #endif |
1029 | #endif |
… | |
… | |
1009 | array_free (pending, [i]); |
1097 | array_free (pending, [i]); |
1010 | #if EV_IDLE_ENABLE |
1098 | #if EV_IDLE_ENABLE |
1011 | array_free (idle, [i]); |
1099 | array_free (idle, [i]); |
1012 | #endif |
1100 | #endif |
1013 | } |
1101 | } |
|
|
1102 | |
|
|
1103 | ev_free (anfds); anfdmax = 0; |
1014 | |
1104 | |
1015 | /* have to use the microsoft-never-gets-it-right macro */ |
1105 | /* have to use the microsoft-never-gets-it-right macro */ |
1016 | array_free (fdchange, EMPTY); |
1106 | array_free (fdchange, EMPTY); |
1017 | array_free (timer, EMPTY); |
1107 | array_free (timer, EMPTY); |
1018 | #if EV_PERIODIC_ENABLE |
1108 | #if EV_PERIODIC_ENABLE |
1019 | array_free (periodic, EMPTY); |
1109 | array_free (periodic, EMPTY); |
|
|
1110 | #endif |
|
|
1111 | #if EV_FORK_ENABLE |
|
|
1112 | array_free (fork, EMPTY); |
1020 | #endif |
1113 | #endif |
1021 | array_free (prepare, EMPTY); |
1114 | array_free (prepare, EMPTY); |
1022 | array_free (check, EMPTY); |
1115 | array_free (check, EMPTY); |
1023 | |
1116 | |
1024 | backend = 0; |
1117 | backend = 0; |
… | |
… | |
1163 | postfork = 1; |
1256 | postfork = 1; |
1164 | } |
1257 | } |
1165 | |
1258 | |
1166 | /*****************************************************************************/ |
1259 | /*****************************************************************************/ |
1167 | |
1260 | |
|
|
1261 | void |
|
|
1262 | ev_invoke (EV_P_ void *w, int revents) |
|
|
1263 | { |
|
|
1264 | EV_CB_INVOKE ((W)w, revents); |
|
|
1265 | } |
|
|
1266 | |
1168 | void inline_speed |
1267 | void inline_speed |
1169 | call_pending (EV_P) |
1268 | call_pending (EV_P) |
1170 | { |
1269 | { |
1171 | int pri; |
1270 | int pri; |
1172 | |
1271 | |
… | |
… | |
1188 | void inline_size |
1287 | void inline_size |
1189 | timers_reify (EV_P) |
1288 | timers_reify (EV_P) |
1190 | { |
1289 | { |
1191 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
1290 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
1192 | { |
1291 | { |
1193 | ev_timer *w = timers [0]; |
1292 | ev_timer *w = (ev_timer *)timers [0]; |
1194 | |
1293 | |
1195 | /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/ |
1294 | /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/ |
1196 | |
1295 | |
1197 | /* first reschedule or stop timer */ |
1296 | /* first reschedule or stop timer */ |
1198 | if (w->repeat) |
1297 | if (w->repeat) |
… | |
… | |
1201 | |
1300 | |
1202 | ((WT)w)->at += w->repeat; |
1301 | ((WT)w)->at += w->repeat; |
1203 | if (((WT)w)->at < mn_now) |
1302 | if (((WT)w)->at < mn_now) |
1204 | ((WT)w)->at = mn_now; |
1303 | ((WT)w)->at = mn_now; |
1205 | |
1304 | |
1206 | downheap ((WT *)timers, timercnt, 0); |
1305 | downheap (timers, timercnt, 0); |
1207 | } |
1306 | } |
1208 | else |
1307 | else |
1209 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1308 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1210 | |
1309 | |
1211 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
1310 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
… | |
… | |
1216 | void inline_size |
1315 | void inline_size |
1217 | periodics_reify (EV_P) |
1316 | periodics_reify (EV_P) |
1218 | { |
1317 | { |
1219 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
1318 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
1220 | { |
1319 | { |
1221 | ev_periodic *w = periodics [0]; |
1320 | ev_periodic *w = (ev_periodic *)periodics [0]; |
1222 | |
1321 | |
1223 | /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ |
1322 | /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ |
1224 | |
1323 | |
1225 | /* first reschedule or stop timer */ |
1324 | /* first reschedule or stop timer */ |
1226 | if (w->reschedule_cb) |
1325 | if (w->reschedule_cb) |
1227 | { |
1326 | { |
1228 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001); |
1327 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + TIME_EPSILON); |
1229 | assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now)); |
1328 | assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now)); |
1230 | downheap ((WT *)periodics, periodiccnt, 0); |
1329 | downheap (periodics, periodiccnt, 0); |
1231 | } |
1330 | } |
1232 | else if (w->interval) |
1331 | else if (w->interval) |
1233 | { |
1332 | { |
1234 | ((WT)w)->at += floor ((ev_rt_now - ((WT)w)->at) / w->interval + 1.) * w->interval; |
1333 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1334 | if (((WT)w)->at - ev_rt_now <= TIME_EPSILON) ((WT)w)->at += w->interval; |
1235 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now)); |
1335 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now)); |
1236 | downheap ((WT *)periodics, periodiccnt, 0); |
1336 | downheap (periodics, periodiccnt, 0); |
1237 | } |
1337 | } |
1238 | else |
1338 | else |
1239 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1339 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1240 | |
1340 | |
1241 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
1341 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
… | |
… | |
1248 | int i; |
1348 | int i; |
1249 | |
1349 | |
1250 | /* adjust periodics after time jump */ |
1350 | /* adjust periodics after time jump */ |
1251 | for (i = 0; i < periodiccnt; ++i) |
1351 | for (i = 0; i < periodiccnt; ++i) |
1252 | { |
1352 | { |
1253 | ev_periodic *w = periodics [i]; |
1353 | ev_periodic *w = (ev_periodic *)periodics [i]; |
1254 | |
1354 | |
1255 | if (w->reschedule_cb) |
1355 | if (w->reschedule_cb) |
1256 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1356 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1257 | else if (w->interval) |
1357 | else if (w->interval) |
1258 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1358 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
1259 | } |
1359 | } |
1260 | |
1360 | |
1261 | /* now rebuild the heap */ |
1361 | /* now rebuild the heap */ |
1262 | for (i = periodiccnt >> 1; i--; ) |
1362 | for (i = periodiccnt >> 1; i--; ) |
1263 | downheap ((WT *)periodics, periodiccnt, i); |
1363 | downheap (periodics, periodiccnt, i); |
1264 | } |
1364 | } |
1265 | #endif |
1365 | #endif |
1266 | |
1366 | |
1267 | #if EV_IDLE_ENABLE |
1367 | #if EV_IDLE_ENABLE |
1268 | void inline_size |
1368 | void inline_size |
… | |
… | |
1285 | } |
1385 | } |
1286 | } |
1386 | } |
1287 | } |
1387 | } |
1288 | #endif |
1388 | #endif |
1289 | |
1389 | |
1290 | int inline_size |
1390 | void inline_speed |
1291 | time_update_monotonic (EV_P) |
1391 | time_update (EV_P_ ev_tstamp max_block) |
1292 | { |
1392 | { |
|
|
1393 | int i; |
|
|
1394 | |
|
|
1395 | #if EV_USE_MONOTONIC |
|
|
1396 | if (expect_true (have_monotonic)) |
|
|
1397 | { |
|
|
1398 | ev_tstamp odiff = rtmn_diff; |
|
|
1399 | |
1293 | mn_now = get_clock (); |
1400 | mn_now = get_clock (); |
1294 | |
1401 | |
|
|
1402 | /* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */ |
|
|
1403 | /* interpolate in the meantime */ |
1295 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
1404 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
1296 | { |
1405 | { |
1297 | ev_rt_now = rtmn_diff + mn_now; |
1406 | ev_rt_now = rtmn_diff + mn_now; |
1298 | return 0; |
1407 | return; |
1299 | } |
1408 | } |
1300 | else |
1409 | |
1301 | { |
|
|
1302 | now_floor = mn_now; |
1410 | now_floor = mn_now; |
1303 | ev_rt_now = ev_time (); |
1411 | ev_rt_now = ev_time (); |
1304 | return 1; |
|
|
1305 | } |
|
|
1306 | } |
|
|
1307 | |
1412 | |
1308 | void inline_size |
1413 | /* loop a few times, before making important decisions. |
1309 | time_update (EV_P) |
1414 | * on the choice of "4": one iteration isn't enough, |
1310 | { |
1415 | * in case we get preempted during the calls to |
1311 | int i; |
1416 | * ev_time and get_clock. a second call is almost guaranteed |
1312 | |
1417 | * to succeed in that case, though. and looping a few more times |
1313 | #if EV_USE_MONOTONIC |
1418 | * doesn't hurt either as we only do this on time-jumps or |
1314 | if (expect_true (have_monotonic)) |
1419 | * in the unlikely event of having been preempted here. |
1315 | { |
1420 | */ |
1316 | if (time_update_monotonic (EV_A)) |
1421 | for (i = 4; --i; ) |
1317 | { |
1422 | { |
1318 | ev_tstamp odiff = rtmn_diff; |
|
|
1319 | |
|
|
1320 | /* loop a few times, before making important decisions. |
|
|
1321 | * on the choice of "4": one iteration isn't enough, |
|
|
1322 | * in case we get preempted during the calls to |
|
|
1323 | * ev_time and get_clock. a second call is almost guaranteed |
|
|
1324 | * to succeed in that case, though. and looping a few more times |
|
|
1325 | * doesn't hurt either as we only do this on time-jumps or |
|
|
1326 | * in the unlikely event of having been preempted here. |
|
|
1327 | */ |
|
|
1328 | for (i = 4; --i; ) |
|
|
1329 | { |
|
|
1330 | rtmn_diff = ev_rt_now - mn_now; |
1423 | rtmn_diff = ev_rt_now - mn_now; |
1331 | |
1424 | |
1332 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
1425 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
1333 | return; /* all is well */ |
1426 | return; /* all is well */ |
1334 | |
1427 | |
1335 | ev_rt_now = ev_time (); |
1428 | ev_rt_now = ev_time (); |
1336 | mn_now = get_clock (); |
1429 | mn_now = get_clock (); |
1337 | now_floor = mn_now; |
1430 | now_floor = mn_now; |
1338 | } |
1431 | } |
1339 | |
1432 | |
1340 | # if EV_PERIODIC_ENABLE |
1433 | # if EV_PERIODIC_ENABLE |
1341 | periodics_reschedule (EV_A); |
1434 | periodics_reschedule (EV_A); |
1342 | # endif |
1435 | # endif |
1343 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
1436 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
1344 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
1437 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
1345 | } |
|
|
1346 | } |
1438 | } |
1347 | else |
1439 | else |
1348 | #endif |
1440 | #endif |
1349 | { |
1441 | { |
1350 | ev_rt_now = ev_time (); |
1442 | ev_rt_now = ev_time (); |
1351 | |
1443 | |
1352 | if (expect_false (mn_now > ev_rt_now || mn_now < ev_rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP)) |
1444 | if (expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP)) |
1353 | { |
1445 | { |
1354 | #if EV_PERIODIC_ENABLE |
1446 | #if EV_PERIODIC_ENABLE |
1355 | periodics_reschedule (EV_A); |
1447 | periodics_reschedule (EV_A); |
1356 | #endif |
1448 | #endif |
1357 | |
|
|
1358 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
1449 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
1359 | for (i = 0; i < timercnt; ++i) |
1450 | for (i = 0; i < timercnt; ++i) |
1360 | ((WT)timers [i])->at += ev_rt_now - mn_now; |
1451 | ((WT)timers [i])->at += ev_rt_now - mn_now; |
1361 | } |
1452 | } |
1362 | |
1453 | |
… | |
… | |
1406 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
1497 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
1407 | call_pending (EV_A); |
1498 | call_pending (EV_A); |
1408 | } |
1499 | } |
1409 | #endif |
1500 | #endif |
1410 | |
1501 | |
1411 | /* queue check watchers (and execute them) */ |
1502 | /* queue prepare watchers (and execute them) */ |
1412 | if (expect_false (preparecnt)) |
1503 | if (expect_false (preparecnt)) |
1413 | { |
1504 | { |
1414 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
1505 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
1415 | call_pending (EV_A); |
1506 | call_pending (EV_A); |
1416 | } |
1507 | } |
… | |
… | |
1425 | /* update fd-related kernel structures */ |
1516 | /* update fd-related kernel structures */ |
1426 | fd_reify (EV_A); |
1517 | fd_reify (EV_A); |
1427 | |
1518 | |
1428 | /* calculate blocking time */ |
1519 | /* calculate blocking time */ |
1429 | { |
1520 | { |
1430 | ev_tstamp block; |
1521 | ev_tstamp waittime = 0.; |
|
|
1522 | ev_tstamp sleeptime = 0.; |
1431 | |
1523 | |
1432 | if (expect_false (flags & EVLOOP_NONBLOCK || idleall || !activecnt)) |
1524 | if (expect_true (!(flags & EVLOOP_NONBLOCK || idleall || !activecnt))) |
1433 | block = 0.; /* do not block at all */ |
|
|
1434 | else |
|
|
1435 | { |
1525 | { |
1436 | /* update time to cancel out callback processing overhead */ |
1526 | /* update time to cancel out callback processing overhead */ |
1437 | #if EV_USE_MONOTONIC |
|
|
1438 | if (expect_true (have_monotonic)) |
|
|
1439 | time_update_monotonic (EV_A); |
1527 | time_update (EV_A_ 1e100); |
1440 | else |
|
|
1441 | #endif |
|
|
1442 | { |
|
|
1443 | ev_rt_now = ev_time (); |
|
|
1444 | mn_now = ev_rt_now; |
|
|
1445 | } |
|
|
1446 | |
1528 | |
1447 | block = MAX_BLOCKTIME; |
1529 | waittime = MAX_BLOCKTIME; |
1448 | |
1530 | |
1449 | if (timercnt) |
1531 | if (timercnt) |
1450 | { |
1532 | { |
1451 | ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge; |
1533 | ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge; |
1452 | if (block > to) block = to; |
1534 | if (waittime > to) waittime = to; |
1453 | } |
1535 | } |
1454 | |
1536 | |
1455 | #if EV_PERIODIC_ENABLE |
1537 | #if EV_PERIODIC_ENABLE |
1456 | if (periodiccnt) |
1538 | if (periodiccnt) |
1457 | { |
1539 | { |
1458 | ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + backend_fudge; |
1540 | ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + backend_fudge; |
1459 | if (block > to) block = to; |
1541 | if (waittime > to) waittime = to; |
1460 | } |
1542 | } |
1461 | #endif |
1543 | #endif |
1462 | |
1544 | |
1463 | if (expect_false (block < 0.)) block = 0.; |
1545 | if (expect_false (waittime < timeout_blocktime)) |
|
|
1546 | waittime = timeout_blocktime; |
|
|
1547 | |
|
|
1548 | sleeptime = waittime - backend_fudge; |
|
|
1549 | |
|
|
1550 | if (expect_true (sleeptime > io_blocktime)) |
|
|
1551 | sleeptime = io_blocktime; |
|
|
1552 | |
|
|
1553 | if (sleeptime) |
|
|
1554 | { |
|
|
1555 | ev_sleep (sleeptime); |
|
|
1556 | waittime -= sleeptime; |
|
|
1557 | } |
1464 | } |
1558 | } |
1465 | |
1559 | |
1466 | ++loop_count; |
1560 | ++loop_count; |
1467 | backend_poll (EV_A_ block); |
1561 | backend_poll (EV_A_ waittime); |
|
|
1562 | |
|
|
1563 | /* update ev_rt_now, do magic */ |
|
|
1564 | time_update (EV_A_ waittime + sleeptime); |
1468 | } |
1565 | } |
1469 | |
|
|
1470 | /* update ev_rt_now, do magic */ |
|
|
1471 | time_update (EV_A); |
|
|
1472 | |
1566 | |
1473 | /* queue pending timers and reschedule them */ |
1567 | /* queue pending timers and reschedule them */ |
1474 | timers_reify (EV_A); /* relative timers called last */ |
1568 | timers_reify (EV_A); /* relative timers called last */ |
1475 | #if EV_PERIODIC_ENABLE |
1569 | #if EV_PERIODIC_ENABLE |
1476 | periodics_reify (EV_A); /* absolute timers called first */ |
1570 | periodics_reify (EV_A); /* absolute timers called first */ |
… | |
… | |
1538 | ev_clear_pending (EV_P_ void *w) |
1632 | ev_clear_pending (EV_P_ void *w) |
1539 | { |
1633 | { |
1540 | W w_ = (W)w; |
1634 | W w_ = (W)w; |
1541 | int pending = w_->pending; |
1635 | int pending = w_->pending; |
1542 | |
1636 | |
1543 | if (!pending) |
1637 | if (expect_true (pending)) |
|
|
1638 | { |
|
|
1639 | ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1; |
|
|
1640 | w_->pending = 0; |
|
|
1641 | p->w = 0; |
|
|
1642 | return p->events; |
|
|
1643 | } |
|
|
1644 | else |
1544 | return 0; |
1645 | return 0; |
1545 | |
|
|
1546 | w_->pending = 0; |
|
|
1547 | ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1; |
|
|
1548 | p->w = 0; |
|
|
1549 | |
|
|
1550 | return p->events; |
|
|
1551 | } |
1646 | } |
1552 | |
1647 | |
1553 | void inline_size |
1648 | void inline_size |
1554 | pri_adjust (EV_P_ W w) |
1649 | pri_adjust (EV_P_ W w) |
1555 | { |
1650 | { |
… | |
… | |
1574 | w->active = 0; |
1669 | w->active = 0; |
1575 | } |
1670 | } |
1576 | |
1671 | |
1577 | /*****************************************************************************/ |
1672 | /*****************************************************************************/ |
1578 | |
1673 | |
1579 | void |
1674 | void noinline |
1580 | ev_io_start (EV_P_ ev_io *w) |
1675 | ev_io_start (EV_P_ ev_io *w) |
1581 | { |
1676 | { |
1582 | int fd = w->fd; |
1677 | int fd = w->fd; |
1583 | |
1678 | |
1584 | if (expect_false (ev_is_active (w))) |
1679 | if (expect_false (ev_is_active (w))) |
… | |
… | |
1586 | |
1681 | |
1587 | assert (("ev_io_start called with negative fd", fd >= 0)); |
1682 | assert (("ev_io_start called with negative fd", fd >= 0)); |
1588 | |
1683 | |
1589 | ev_start (EV_A_ (W)w, 1); |
1684 | ev_start (EV_A_ (W)w, 1); |
1590 | array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init); |
1685 | array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init); |
1591 | wlist_add ((WL *)&anfds[fd].head, (WL)w); |
1686 | wlist_add (&anfds[fd].head, (WL)w); |
1592 | |
1687 | |
1593 | fd_change (EV_A_ fd); |
1688 | fd_change (EV_A_ fd, w->events & EV_IOFDSET | 1); |
|
|
1689 | w->events &= ~EV_IOFDSET; |
1594 | } |
1690 | } |
1595 | |
1691 | |
1596 | void |
1692 | void noinline |
1597 | ev_io_stop (EV_P_ ev_io *w) |
1693 | ev_io_stop (EV_P_ ev_io *w) |
1598 | { |
1694 | { |
1599 | clear_pending (EV_A_ (W)w); |
1695 | clear_pending (EV_A_ (W)w); |
1600 | if (expect_false (!ev_is_active (w))) |
1696 | if (expect_false (!ev_is_active (w))) |
1601 | return; |
1697 | return; |
1602 | |
1698 | |
1603 | assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
1699 | assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
1604 | |
1700 | |
1605 | wlist_del ((WL *)&anfds[w->fd].head, (WL)w); |
1701 | wlist_del (&anfds[w->fd].head, (WL)w); |
1606 | ev_stop (EV_A_ (W)w); |
1702 | ev_stop (EV_A_ (W)w); |
1607 | |
1703 | |
1608 | fd_change (EV_A_ w->fd); |
1704 | fd_change (EV_A_ w->fd, 1); |
1609 | } |
1705 | } |
1610 | |
1706 | |
1611 | void |
1707 | void noinline |
1612 | ev_timer_start (EV_P_ ev_timer *w) |
1708 | ev_timer_start (EV_P_ ev_timer *w) |
1613 | { |
1709 | { |
1614 | if (expect_false (ev_is_active (w))) |
1710 | if (expect_false (ev_is_active (w))) |
1615 | return; |
1711 | return; |
1616 | |
1712 | |
1617 | ((WT)w)->at += mn_now; |
1713 | ((WT)w)->at += mn_now; |
1618 | |
1714 | |
1619 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1715 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1620 | |
1716 | |
1621 | ev_start (EV_A_ (W)w, ++timercnt); |
1717 | ev_start (EV_A_ (W)w, ++timercnt); |
1622 | array_needsize (ev_timer *, timers, timermax, timercnt, EMPTY2); |
1718 | array_needsize (WT, timers, timermax, timercnt, EMPTY2); |
1623 | timers [timercnt - 1] = w; |
1719 | timers [timercnt - 1] = (WT)w; |
1624 | upheap ((WT *)timers, timercnt - 1); |
1720 | upheap (timers, timercnt - 1); |
1625 | |
1721 | |
1626 | /*assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));*/ |
1722 | /*assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));*/ |
1627 | } |
1723 | } |
1628 | |
1724 | |
1629 | void |
1725 | void noinline |
1630 | ev_timer_stop (EV_P_ ev_timer *w) |
1726 | ev_timer_stop (EV_P_ ev_timer *w) |
1631 | { |
1727 | { |
1632 | clear_pending (EV_A_ (W)w); |
1728 | clear_pending (EV_A_ (W)w); |
1633 | if (expect_false (!ev_is_active (w))) |
1729 | if (expect_false (!ev_is_active (w))) |
1634 | return; |
1730 | return; |
1635 | |
1731 | |
1636 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1732 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == (WT)w)); |
1637 | |
1733 | |
1638 | { |
1734 | { |
1639 | int active = ((W)w)->active; |
1735 | int active = ((W)w)->active; |
1640 | |
1736 | |
1641 | if (expect_true (--active < --timercnt)) |
1737 | if (expect_true (--active < --timercnt)) |
1642 | { |
1738 | { |
1643 | timers [active] = timers [timercnt]; |
1739 | timers [active] = timers [timercnt]; |
1644 | adjustheap ((WT *)timers, timercnt, active); |
1740 | adjustheap (timers, timercnt, active); |
1645 | } |
1741 | } |
1646 | } |
1742 | } |
1647 | |
1743 | |
1648 | ((WT)w)->at -= mn_now; |
1744 | ((WT)w)->at -= mn_now; |
1649 | |
1745 | |
1650 | ev_stop (EV_A_ (W)w); |
1746 | ev_stop (EV_A_ (W)w); |
1651 | } |
1747 | } |
1652 | |
1748 | |
1653 | void |
1749 | void noinline |
1654 | ev_timer_again (EV_P_ ev_timer *w) |
1750 | ev_timer_again (EV_P_ ev_timer *w) |
1655 | { |
1751 | { |
1656 | if (ev_is_active (w)) |
1752 | if (ev_is_active (w)) |
1657 | { |
1753 | { |
1658 | if (w->repeat) |
1754 | if (w->repeat) |
1659 | { |
1755 | { |
1660 | ((WT)w)->at = mn_now + w->repeat; |
1756 | ((WT)w)->at = mn_now + w->repeat; |
1661 | adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1757 | adjustheap (timers, timercnt, ((W)w)->active - 1); |
1662 | } |
1758 | } |
1663 | else |
1759 | else |
1664 | ev_timer_stop (EV_A_ w); |
1760 | ev_timer_stop (EV_A_ w); |
1665 | } |
1761 | } |
1666 | else if (w->repeat) |
1762 | else if (w->repeat) |
… | |
… | |
1669 | ev_timer_start (EV_A_ w); |
1765 | ev_timer_start (EV_A_ w); |
1670 | } |
1766 | } |
1671 | } |
1767 | } |
1672 | |
1768 | |
1673 | #if EV_PERIODIC_ENABLE |
1769 | #if EV_PERIODIC_ENABLE |
1674 | void |
1770 | void noinline |
1675 | ev_periodic_start (EV_P_ ev_periodic *w) |
1771 | ev_periodic_start (EV_P_ ev_periodic *w) |
1676 | { |
1772 | { |
1677 | if (expect_false (ev_is_active (w))) |
1773 | if (expect_false (ev_is_active (w))) |
1678 | return; |
1774 | return; |
1679 | |
1775 | |
… | |
… | |
1681 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1777 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1682 | else if (w->interval) |
1778 | else if (w->interval) |
1683 | { |
1779 | { |
1684 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
1780 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
1685 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1781 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1686 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1782 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
1687 | } |
1783 | } |
|
|
1784 | else |
|
|
1785 | ((WT)w)->at = w->offset; |
1688 | |
1786 | |
1689 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1787 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1690 | array_needsize (ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2); |
1788 | array_needsize (WT, periodics, periodicmax, periodiccnt, EMPTY2); |
1691 | periodics [periodiccnt - 1] = w; |
1789 | periodics [periodiccnt - 1] = (WT)w; |
1692 | upheap ((WT *)periodics, periodiccnt - 1); |
1790 | upheap (periodics, periodiccnt - 1); |
1693 | |
1791 | |
1694 | /*assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));*/ |
1792 | /*assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));*/ |
1695 | } |
1793 | } |
1696 | |
1794 | |
1697 | void |
1795 | void noinline |
1698 | ev_periodic_stop (EV_P_ ev_periodic *w) |
1796 | ev_periodic_stop (EV_P_ ev_periodic *w) |
1699 | { |
1797 | { |
1700 | clear_pending (EV_A_ (W)w); |
1798 | clear_pending (EV_A_ (W)w); |
1701 | if (expect_false (!ev_is_active (w))) |
1799 | if (expect_false (!ev_is_active (w))) |
1702 | return; |
1800 | return; |
1703 | |
1801 | |
1704 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1802 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == (WT)w)); |
1705 | |
1803 | |
1706 | { |
1804 | { |
1707 | int active = ((W)w)->active; |
1805 | int active = ((W)w)->active; |
1708 | |
1806 | |
1709 | if (expect_true (--active < --periodiccnt)) |
1807 | if (expect_true (--active < --periodiccnt)) |
1710 | { |
1808 | { |
1711 | periodics [active] = periodics [periodiccnt]; |
1809 | periodics [active] = periodics [periodiccnt]; |
1712 | adjustheap ((WT *)periodics, periodiccnt, active); |
1810 | adjustheap (periodics, periodiccnt, active); |
1713 | } |
1811 | } |
1714 | } |
1812 | } |
1715 | |
1813 | |
1716 | ev_stop (EV_A_ (W)w); |
1814 | ev_stop (EV_A_ (W)w); |
1717 | } |
1815 | } |
1718 | |
1816 | |
1719 | void |
1817 | void noinline |
1720 | ev_periodic_again (EV_P_ ev_periodic *w) |
1818 | ev_periodic_again (EV_P_ ev_periodic *w) |
1721 | { |
1819 | { |
1722 | /* TODO: use adjustheap and recalculation */ |
1820 | /* TODO: use adjustheap and recalculation */ |
1723 | ev_periodic_stop (EV_A_ w); |
1821 | ev_periodic_stop (EV_A_ w); |
1724 | ev_periodic_start (EV_A_ w); |
1822 | ev_periodic_start (EV_A_ w); |
… | |
… | |
1727 | |
1825 | |
1728 | #ifndef SA_RESTART |
1826 | #ifndef SA_RESTART |
1729 | # define SA_RESTART 0 |
1827 | # define SA_RESTART 0 |
1730 | #endif |
1828 | #endif |
1731 | |
1829 | |
1732 | void |
1830 | void noinline |
1733 | ev_signal_start (EV_P_ ev_signal *w) |
1831 | ev_signal_start (EV_P_ ev_signal *w) |
1734 | { |
1832 | { |
1735 | #if EV_MULTIPLICITY |
1833 | #if EV_MULTIPLICITY |
1736 | assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1834 | assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1737 | #endif |
1835 | #endif |
1738 | if (expect_false (ev_is_active (w))) |
1836 | if (expect_false (ev_is_active (w))) |
1739 | return; |
1837 | return; |
1740 | |
1838 | |
1741 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
1839 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
1742 | |
1840 | |
|
|
1841 | { |
|
|
1842 | #ifndef _WIN32 |
|
|
1843 | sigset_t full, prev; |
|
|
1844 | sigfillset (&full); |
|
|
1845 | sigprocmask (SIG_SETMASK, &full, &prev); |
|
|
1846 | #endif |
|
|
1847 | |
|
|
1848 | array_needsize (ANSIG, signals, signalmax, w->signum, signals_init); |
|
|
1849 | |
|
|
1850 | #ifndef _WIN32 |
|
|
1851 | sigprocmask (SIG_SETMASK, &prev, 0); |
|
|
1852 | #endif |
|
|
1853 | } |
|
|
1854 | |
1743 | ev_start (EV_A_ (W)w, 1); |
1855 | ev_start (EV_A_ (W)w, 1); |
1744 | array_needsize (ANSIG, signals, signalmax, w->signum, signals_init); |
|
|
1745 | wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w); |
1856 | wlist_add (&signals [w->signum - 1].head, (WL)w); |
1746 | |
1857 | |
1747 | if (!((WL)w)->next) |
1858 | if (!((WL)w)->next) |
1748 | { |
1859 | { |
1749 | #if _WIN32 |
1860 | #if _WIN32 |
1750 | signal (w->signum, sighandler); |
1861 | signal (w->signum, sighandler); |
… | |
… | |
1756 | sigaction (w->signum, &sa, 0); |
1867 | sigaction (w->signum, &sa, 0); |
1757 | #endif |
1868 | #endif |
1758 | } |
1869 | } |
1759 | } |
1870 | } |
1760 | |
1871 | |
1761 | void |
1872 | void noinline |
1762 | ev_signal_stop (EV_P_ ev_signal *w) |
1873 | ev_signal_stop (EV_P_ ev_signal *w) |
1763 | { |
1874 | { |
1764 | clear_pending (EV_A_ (W)w); |
1875 | clear_pending (EV_A_ (W)w); |
1765 | if (expect_false (!ev_is_active (w))) |
1876 | if (expect_false (!ev_is_active (w))) |
1766 | return; |
1877 | return; |
1767 | |
1878 | |
1768 | wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w); |
1879 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
1769 | ev_stop (EV_A_ (W)w); |
1880 | ev_stop (EV_A_ (W)w); |
1770 | |
1881 | |
1771 | if (!signals [w->signum - 1].head) |
1882 | if (!signals [w->signum - 1].head) |
1772 | signal (w->signum, SIG_DFL); |
1883 | signal (w->signum, SIG_DFL); |
1773 | } |
1884 | } |
… | |
… | |
1780 | #endif |
1891 | #endif |
1781 | if (expect_false (ev_is_active (w))) |
1892 | if (expect_false (ev_is_active (w))) |
1782 | return; |
1893 | return; |
1783 | |
1894 | |
1784 | ev_start (EV_A_ (W)w, 1); |
1895 | ev_start (EV_A_ (W)w, 1); |
1785 | wlist_add ((WL *)&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
1896 | wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
1786 | } |
1897 | } |
1787 | |
1898 | |
1788 | void |
1899 | void |
1789 | ev_child_stop (EV_P_ ev_child *w) |
1900 | ev_child_stop (EV_P_ ev_child *w) |
1790 | { |
1901 | { |
1791 | clear_pending (EV_A_ (W)w); |
1902 | clear_pending (EV_A_ (W)w); |
1792 | if (expect_false (!ev_is_active (w))) |
1903 | if (expect_false (!ev_is_active (w))) |
1793 | return; |
1904 | return; |
1794 | |
1905 | |
1795 | wlist_del ((WL *)&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
1906 | wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
1796 | ev_stop (EV_A_ (W)w); |
1907 | ev_stop (EV_A_ (W)w); |
1797 | } |
1908 | } |
1798 | |
1909 | |
1799 | #if EV_STAT_ENABLE |
1910 | #if EV_STAT_ENABLE |
1800 | |
1911 | |
… | |
… | |
2142 | |
2253 | |
2143 | #if EV_EMBED_ENABLE |
2254 | #if EV_EMBED_ENABLE |
2144 | void noinline |
2255 | void noinline |
2145 | ev_embed_sweep (EV_P_ ev_embed *w) |
2256 | ev_embed_sweep (EV_P_ ev_embed *w) |
2146 | { |
2257 | { |
2147 | ev_loop (w->loop, EVLOOP_NONBLOCK); |
2258 | ev_loop (w->other, EVLOOP_NONBLOCK); |
2148 | } |
2259 | } |
2149 | |
2260 | |
2150 | static void |
2261 | static void |
2151 | embed_cb (EV_P_ ev_io *io, int revents) |
2262 | embed_io_cb (EV_P_ ev_io *io, int revents) |
2152 | { |
2263 | { |
2153 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
2264 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
2154 | |
2265 | |
2155 | if (ev_cb (w)) |
2266 | if (ev_cb (w)) |
2156 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
2267 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
2157 | else |
2268 | else |
2158 | ev_embed_sweep (loop, w); |
2269 | ev_embed_sweep (loop, w); |
2159 | } |
2270 | } |
2160 | |
2271 | |
|
|
2272 | static void |
|
|
2273 | embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) |
|
|
2274 | { |
|
|
2275 | ev_embed *w = (ev_embed *)(((char *)prepare) - offsetof (ev_embed, prepare)); |
|
|
2276 | |
|
|
2277 | fd_reify (w->other); |
|
|
2278 | } |
|
|
2279 | |
2161 | void |
2280 | void |
2162 | ev_embed_start (EV_P_ ev_embed *w) |
2281 | ev_embed_start (EV_P_ ev_embed *w) |
2163 | { |
2282 | { |
2164 | if (expect_false (ev_is_active (w))) |
2283 | if (expect_false (ev_is_active (w))) |
2165 | return; |
2284 | return; |
2166 | |
2285 | |
2167 | { |
2286 | { |
2168 | struct ev_loop *loop = w->loop; |
2287 | struct ev_loop *loop = w->other; |
2169 | assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
2288 | assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
2170 | ev_io_init (&w->io, embed_cb, backend_fd, EV_READ); |
2289 | ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ); |
2171 | } |
2290 | } |
2172 | |
2291 | |
2173 | ev_set_priority (&w->io, ev_priority (w)); |
2292 | ev_set_priority (&w->io, ev_priority (w)); |
2174 | ev_io_start (EV_A_ &w->io); |
2293 | ev_io_start (EV_A_ &w->io); |
2175 | |
2294 | |
|
|
2295 | ev_prepare_init (&w->prepare, embed_prepare_cb); |
|
|
2296 | ev_set_priority (&w->prepare, EV_MINPRI); |
|
|
2297 | ev_prepare_start (EV_A_ &w->prepare); |
|
|
2298 | |
2176 | ev_start (EV_A_ (W)w, 1); |
2299 | ev_start (EV_A_ (W)w, 1); |
2177 | } |
2300 | } |
2178 | |
2301 | |
2179 | void |
2302 | void |
2180 | ev_embed_stop (EV_P_ ev_embed *w) |
2303 | ev_embed_stop (EV_P_ ev_embed *w) |
… | |
… | |
2182 | clear_pending (EV_A_ (W)w); |
2305 | clear_pending (EV_A_ (W)w); |
2183 | if (expect_false (!ev_is_active (w))) |
2306 | if (expect_false (!ev_is_active (w))) |
2184 | return; |
2307 | return; |
2185 | |
2308 | |
2186 | ev_io_stop (EV_A_ &w->io); |
2309 | ev_io_stop (EV_A_ &w->io); |
|
|
2310 | ev_prepare_stop (EV_A_ &w->prepare); |
2187 | |
2311 | |
2188 | ev_stop (EV_A_ (W)w); |
2312 | ev_stop (EV_A_ (W)w); |
2189 | } |
2313 | } |
2190 | #endif |
2314 | #endif |
2191 | |
2315 | |
… | |
… | |
2280 | ev_timer_set (&once->to, timeout, 0.); |
2404 | ev_timer_set (&once->to, timeout, 0.); |
2281 | ev_timer_start (EV_A_ &once->to); |
2405 | ev_timer_start (EV_A_ &once->to); |
2282 | } |
2406 | } |
2283 | } |
2407 | } |
2284 | |
2408 | |
|
|
2409 | #if EV_MULTIPLICITY |
|
|
2410 | #include "ev_wrap.h" |
|
|
2411 | #endif |
|
|
2412 | |
2285 | #ifdef __cplusplus |
2413 | #ifdef __cplusplus |
2286 | } |
2414 | } |
2287 | #endif |
2415 | #endif |
2288 | |
2416 | |