… | |
… | |
28 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
28 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
29 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
29 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
30 | */ |
30 | */ |
31 | #ifndef EV_STANDALONE |
31 | #ifndef EV_STANDALONE |
32 | # include "config.h" |
32 | # include "config.h" |
|
|
33 | |
|
|
34 | # if HAVE_CLOCK_GETTIME |
|
|
35 | # define EV_USE_MONOTONIC 1 |
|
|
36 | # define EV_USE_REALTIME 1 |
|
|
37 | # endif |
|
|
38 | |
|
|
39 | # if HAVE_SELECT && HAVE_SYS_SELECT_H |
|
|
40 | # define EV_USE_SELECT 1 |
|
|
41 | # endif |
|
|
42 | |
|
|
43 | # if HAVE_POLL && HAVE_POLL_H |
|
|
44 | # define EV_USE_POLL 1 |
|
|
45 | # endif |
|
|
46 | |
|
|
47 | # if HAVE_EPOLL && HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H |
|
|
48 | # define EV_USE_EPOLL 1 |
|
|
49 | # endif |
|
|
50 | |
|
|
51 | # if HAVE_KQUEUE && HAVE_WORKING_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H |
|
|
52 | # define EV_USE_KQUEUE 1 |
|
|
53 | # endif |
|
|
54 | |
33 | #endif |
55 | #endif |
34 | |
56 | |
35 | #include <math.h> |
57 | #include <math.h> |
36 | #include <stdlib.h> |
58 | #include <stdlib.h> |
37 | #include <unistd.h> |
59 | #include <unistd.h> |
… | |
… | |
58 | |
80 | |
59 | #ifndef EV_USE_SELECT |
81 | #ifndef EV_USE_SELECT |
60 | # define EV_USE_SELECT 1 |
82 | # define EV_USE_SELECT 1 |
61 | #endif |
83 | #endif |
62 | |
84 | |
63 | #ifndef EV_USEV_POLL |
85 | #ifndef EV_USE_POLL |
64 | # define EV_USEV_POLL 0 /* poll is usually slower than select, and not as well tested */ |
86 | # define EV_USE_POLL 0 /* poll is usually slower than select, and not as well tested */ |
65 | #endif |
87 | #endif |
66 | |
88 | |
67 | #ifndef EV_USE_EPOLL |
89 | #ifndef EV_USE_EPOLL |
68 | # define EV_USE_EPOLL 0 |
90 | # define EV_USE_EPOLL 0 |
69 | #endif |
91 | #endif |
70 | |
92 | |
71 | #ifndef EV_USE_KQUEUE |
93 | #ifndef EV_USE_KQUEUE |
72 | # define EV_USE_KQUEUE 0 |
94 | # define EV_USE_KQUEUE 0 |
|
|
95 | #endif |
|
|
96 | |
|
|
97 | #ifndef EV_USE_WIN32 |
|
|
98 | # ifdef WIN32 |
|
|
99 | # define EV_USE_WIN32 1 |
|
|
100 | # else |
|
|
101 | # define EV_USE_WIN32 0 |
|
|
102 | # endif |
73 | #endif |
103 | #endif |
74 | |
104 | |
75 | #ifndef EV_USE_REALTIME |
105 | #ifndef EV_USE_REALTIME |
76 | # define EV_USE_REALTIME 1 |
106 | # define EV_USE_REALTIME 1 |
77 | #endif |
107 | #endif |
… | |
… | |
276 | for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next) |
306 | for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next) |
277 | events |= w->events; |
307 | events |= w->events; |
278 | |
308 | |
279 | anfd->reify = 0; |
309 | anfd->reify = 0; |
280 | |
310 | |
281 | if (anfd->events != events) |
|
|
282 | { |
|
|
283 | method_modify (EV_A_ fd, anfd->events, events); |
311 | method_modify (EV_A_ fd, anfd->events, events); |
284 | anfd->events = events; |
312 | anfd->events = events; |
285 | } |
|
|
286 | } |
313 | } |
287 | |
314 | |
288 | fdchangecnt = 0; |
315 | fdchangecnt = 0; |
289 | } |
316 | } |
290 | |
317 | |
… | |
… | |
327 | |
354 | |
328 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
355 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
329 | static void |
356 | static void |
330 | fd_enomem (EV_P) |
357 | fd_enomem (EV_P) |
331 | { |
358 | { |
332 | int fd = anfdmax; |
359 | int fd; |
333 | |
360 | |
334 | while (fd--) |
361 | for (fd = anfdmax; fd--; ) |
335 | if (anfds [fd].events) |
362 | if (anfds [fd].events) |
336 | { |
363 | { |
337 | close (fd); |
364 | close (fd); |
338 | fd_kill (EV_A_ fd); |
365 | fd_kill (EV_A_ fd); |
339 | return; |
366 | return; |
340 | } |
367 | } |
341 | } |
368 | } |
342 | |
369 | |
|
|
370 | /* susually called after fork if method needs to re-arm all fds from scratch */ |
|
|
371 | static void |
|
|
372 | fd_rearm_all (EV_P) |
|
|
373 | { |
|
|
374 | int fd; |
|
|
375 | |
|
|
376 | /* this should be highly optimised to not do anything but set a flag */ |
|
|
377 | for (fd = 0; fd < anfdmax; ++fd) |
|
|
378 | if (anfds [fd].events) |
|
|
379 | { |
|
|
380 | anfds [fd].events = 0; |
|
|
381 | fd_change (EV_A_ fd); |
|
|
382 | } |
|
|
383 | } |
|
|
384 | |
343 | /*****************************************************************************/ |
385 | /*****************************************************************************/ |
344 | |
386 | |
345 | static void |
387 | static void |
346 | upheap (WT *heap, int k) |
388 | upheap (WT *heap, int k) |
347 | { |
389 | { |
348 | WT w = heap [k]; |
390 | WT w = heap [k]; |
349 | |
391 | |
350 | while (k && heap [k >> 1]->at > w->at) |
392 | while (k && heap [k >> 1]->at > w->at) |
351 | { |
393 | { |
352 | heap [k] = heap [k >> 1]; |
394 | heap [k] = heap [k >> 1]; |
353 | heap [k]->active = k + 1; |
395 | ((W)heap [k])->active = k + 1; |
354 | k >>= 1; |
396 | k >>= 1; |
355 | } |
397 | } |
356 | |
398 | |
357 | heap [k] = w; |
399 | heap [k] = w; |
358 | heap [k]->active = k + 1; |
400 | ((W)heap [k])->active = k + 1; |
359 | |
401 | |
360 | } |
402 | } |
361 | |
403 | |
362 | static void |
404 | static void |
363 | downheap (WT *heap, int N, int k) |
405 | downheap (WT *heap, int N, int k) |
… | |
… | |
373 | |
415 | |
374 | if (w->at <= heap [j]->at) |
416 | if (w->at <= heap [j]->at) |
375 | break; |
417 | break; |
376 | |
418 | |
377 | heap [k] = heap [j]; |
419 | heap [k] = heap [j]; |
378 | heap [k]->active = k + 1; |
420 | ((W)heap [k])->active = k + 1; |
379 | k = j; |
421 | k = j; |
380 | } |
422 | } |
381 | |
423 | |
382 | heap [k] = w; |
424 | heap [k] = w; |
383 | heap [k]->active = k + 1; |
425 | ((W)heap [k])->active = k + 1; |
384 | } |
426 | } |
385 | |
427 | |
386 | /*****************************************************************************/ |
428 | /*****************************************************************************/ |
387 | |
429 | |
388 | typedef struct |
430 | typedef struct |
… | |
… | |
394 | static ANSIG *signals; |
436 | static ANSIG *signals; |
395 | static int signalmax; |
437 | static int signalmax; |
396 | |
438 | |
397 | static int sigpipe [2]; |
439 | static int sigpipe [2]; |
398 | static sig_atomic_t volatile gotsig; |
440 | static sig_atomic_t volatile gotsig; |
|
|
441 | static struct ev_io sigev; |
399 | |
442 | |
400 | static void |
443 | static void |
401 | signals_init (ANSIG *base, int count) |
444 | signals_init (ANSIG *base, int count) |
402 | { |
445 | { |
403 | while (count--) |
446 | while (count--) |
… | |
… | |
461 | |
504 | |
462 | /*****************************************************************************/ |
505 | /*****************************************************************************/ |
463 | |
506 | |
464 | #ifndef WIN32 |
507 | #ifndef WIN32 |
465 | |
508 | |
|
|
509 | static struct ev_child *childs [PID_HASHSIZE]; |
|
|
510 | static struct ev_signal childev; |
|
|
511 | |
466 | #ifndef WCONTINUED |
512 | #ifndef WCONTINUED |
467 | # define WCONTINUED 0 |
513 | # define WCONTINUED 0 |
468 | #endif |
514 | #endif |
469 | |
515 | |
470 | static void |
516 | static void |
… | |
… | |
473 | struct ev_child *w; |
519 | struct ev_child *w; |
474 | |
520 | |
475 | for (w = (struct ev_child *)childs [chain & (PID_HASHSIZE - 1)]; w; w = (struct ev_child *)((WL)w)->next) |
521 | for (w = (struct ev_child *)childs [chain & (PID_HASHSIZE - 1)]; w; w = (struct ev_child *)((WL)w)->next) |
476 | if (w->pid == pid || !w->pid) |
522 | if (w->pid == pid || !w->pid) |
477 | { |
523 | { |
478 | w->priority = sw->priority; /* need to do it *now* */ |
524 | ev_priority (w) = ev_priority (sw); /* need to do it *now* */ |
479 | w->rpid = pid; |
525 | w->rpid = pid; |
480 | w->rstatus = status; |
526 | w->rstatus = status; |
481 | event (EV_A_ (W)w, EV_CHILD); |
527 | event (EV_A_ (W)w, EV_CHILD); |
482 | } |
528 | } |
483 | } |
529 | } |
484 | |
530 | |
485 | static void |
531 | static void |
… | |
… | |
505 | # include "ev_kqueue.c" |
551 | # include "ev_kqueue.c" |
506 | #endif |
552 | #endif |
507 | #if EV_USE_EPOLL |
553 | #if EV_USE_EPOLL |
508 | # include "ev_epoll.c" |
554 | # include "ev_epoll.c" |
509 | #endif |
555 | #endif |
510 | #if EV_USEV_POLL |
556 | #if EV_USE_POLL |
511 | # include "ev_poll.c" |
557 | # include "ev_poll.c" |
512 | #endif |
558 | #endif |
513 | #if EV_USE_SELECT |
559 | #if EV_USE_SELECT |
514 | # include "ev_select.c" |
560 | # include "ev_select.c" |
515 | #endif |
561 | #endif |
… | |
… | |
542 | ev_method (EV_P) |
588 | ev_method (EV_P) |
543 | { |
589 | { |
544 | return method; |
590 | return method; |
545 | } |
591 | } |
546 | |
592 | |
547 | inline int |
593 | static void |
548 | loop_init (EV_P_ int methods) |
594 | loop_init (EV_P_ int methods) |
549 | { |
595 | { |
550 | if (!method) |
596 | if (!method) |
551 | { |
597 | { |
552 | #if EV_USE_MONOTONIC |
598 | #if EV_USE_MONOTONIC |
… | |
… | |
560 | rt_now = ev_time (); |
606 | rt_now = ev_time (); |
561 | mn_now = get_clock (); |
607 | mn_now = get_clock (); |
562 | now_floor = mn_now; |
608 | now_floor = mn_now; |
563 | rtmn_diff = rt_now - mn_now; |
609 | rtmn_diff = rt_now - mn_now; |
564 | |
610 | |
565 | if (pipe (sigpipe)) |
|
|
566 | return 0; |
|
|
567 | |
|
|
568 | if (methods == EVMETHOD_AUTO) |
611 | if (methods == EVMETHOD_AUTO) |
569 | if (!enable_secure () && getenv ("LIBmethodS")) |
612 | if (!enable_secure () && getenv ("LIBEV_METHODS")) |
570 | methods = atoi (getenv ("LIBmethodS")); |
613 | methods = atoi (getenv ("LIBEV_METHODS")); |
571 | else |
614 | else |
572 | methods = EVMETHOD_ANY; |
615 | methods = EVMETHOD_ANY; |
573 | |
616 | |
574 | method = 0; |
617 | method = 0; |
|
|
618 | #if EV_USE_WIN32 |
|
|
619 | if (!method && (methods & EVMETHOD_WIN32 )) method = win32_init (EV_A_ methods); |
|
|
620 | #endif |
575 | #if EV_USE_KQUEUE |
621 | #if EV_USE_KQUEUE |
576 | if (!method && (methods & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ methods); |
622 | if (!method && (methods & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ methods); |
577 | #endif |
623 | #endif |
578 | #if EV_USE_EPOLL |
624 | #if EV_USE_EPOLL |
579 | if (!method && (methods & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ methods); |
625 | if (!method && (methods & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ methods); |
580 | #endif |
626 | #endif |
581 | #if EV_USEV_POLL |
627 | #if EV_USE_POLL |
582 | if (!method && (methods & EVMETHOD_POLL )) method = poll_init (EV_A_ methods); |
628 | if (!method && (methods & EVMETHOD_POLL )) method = poll_init (EV_A_ methods); |
583 | #endif |
629 | #endif |
584 | #if EV_USE_SELECT |
630 | #if EV_USE_SELECT |
585 | if (!method && (methods & EVMETHOD_SELECT)) method = select_init (EV_A_ methods); |
631 | if (!method && (methods & EVMETHOD_SELECT)) method = select_init (EV_A_ methods); |
586 | #endif |
632 | #endif |
|
|
633 | } |
|
|
634 | } |
587 | |
635 | |
|
|
636 | void |
|
|
637 | loop_destroy (EV_P) |
|
|
638 | { |
|
|
639 | #if EV_USE_WIN32 |
|
|
640 | if (method == EVMETHOD_WIN32 ) win32_destroy (EV_A); |
|
|
641 | #endif |
|
|
642 | #if EV_USE_KQUEUE |
|
|
643 | if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A); |
|
|
644 | #endif |
|
|
645 | #if EV_USE_EPOLL |
|
|
646 | if (method == EVMETHOD_EPOLL ) epoll_destroy (EV_A); |
|
|
647 | #endif |
|
|
648 | #if EV_USE_POLL |
|
|
649 | if (method == EVMETHOD_POLL ) poll_destroy (EV_A); |
|
|
650 | #endif |
|
|
651 | #if EV_USE_SELECT |
|
|
652 | if (method == EVMETHOD_SELECT) select_destroy (EV_A); |
|
|
653 | #endif |
|
|
654 | |
|
|
655 | method = 0; |
|
|
656 | /*TODO*/ |
|
|
657 | } |
|
|
658 | |
|
|
659 | void |
|
|
660 | loop_fork (EV_P) |
|
|
661 | { |
|
|
662 | /*TODO*/ |
|
|
663 | #if EV_USE_EPOLL |
|
|
664 | if (method == EVMETHOD_EPOLL ) epoll_fork (EV_A); |
|
|
665 | #endif |
|
|
666 | #if EV_USE_KQUEUE |
|
|
667 | if (method == EVMETHOD_KQUEUE) kqueue_fork (EV_A); |
|
|
668 | #endif |
|
|
669 | } |
|
|
670 | |
|
|
671 | #if EV_MULTIPLICITY |
|
|
672 | struct ev_loop * |
|
|
673 | ev_loop_new (int methods) |
|
|
674 | { |
|
|
675 | struct ev_loop *loop = (struct ev_loop *)calloc (1, sizeof (struct ev_loop)); |
|
|
676 | |
|
|
677 | loop_init (EV_A_ methods); |
|
|
678 | |
|
|
679 | if (ev_method (EV_A)) |
|
|
680 | return loop; |
|
|
681 | |
|
|
682 | return 0; |
|
|
683 | } |
|
|
684 | |
|
|
685 | void |
|
|
686 | ev_loop_destroy (EV_P) |
|
|
687 | { |
|
|
688 | loop_destroy (EV_A); |
|
|
689 | free (loop); |
|
|
690 | } |
|
|
691 | |
|
|
692 | void |
|
|
693 | ev_loop_fork (EV_P) |
|
|
694 | { |
|
|
695 | loop_fork (EV_A); |
|
|
696 | } |
|
|
697 | |
|
|
698 | #endif |
|
|
699 | |
|
|
700 | #if EV_MULTIPLICITY |
|
|
701 | struct ev_loop default_loop_struct; |
|
|
702 | static struct ev_loop *default_loop; |
|
|
703 | |
|
|
704 | struct ev_loop * |
|
|
705 | #else |
|
|
706 | static int default_loop; |
|
|
707 | |
|
|
708 | int |
|
|
709 | #endif |
|
|
710 | ev_default_loop (int methods) |
|
|
711 | { |
|
|
712 | if (sigpipe [0] == sigpipe [1]) |
|
|
713 | if (pipe (sigpipe)) |
|
|
714 | return 0; |
|
|
715 | |
|
|
716 | if (!default_loop) |
|
|
717 | { |
|
|
718 | #if EV_MULTIPLICITY |
|
|
719 | struct ev_loop *loop = default_loop = &default_loop_struct; |
|
|
720 | #else |
|
|
721 | default_loop = 1; |
|
|
722 | #endif |
|
|
723 | |
|
|
724 | loop_init (EV_A_ methods); |
|
|
725 | |
588 | if (method) |
726 | if (ev_method (EV_A)) |
589 | { |
727 | { |
590 | ev_watcher_init (&sigev, sigcb); |
728 | ev_watcher_init (&sigev, sigcb); |
591 | ev_set_priority (&sigev, EV_MAXPRI); |
729 | ev_set_priority (&sigev, EV_MAXPRI); |
592 | siginit (EV_A); |
730 | siginit (EV_A); |
593 | |
731 | |
… | |
… | |
596 | ev_set_priority (&childev, EV_MAXPRI); |
734 | ev_set_priority (&childev, EV_MAXPRI); |
597 | ev_signal_start (EV_A_ &childev); |
735 | ev_signal_start (EV_A_ &childev); |
598 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
736 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
599 | #endif |
737 | #endif |
600 | } |
738 | } |
|
|
739 | else |
|
|
740 | default_loop = 0; |
601 | } |
741 | } |
602 | |
742 | |
603 | return method; |
743 | return default_loop; |
604 | } |
744 | } |
605 | |
745 | |
|
|
746 | void |
|
|
747 | ev_default_destroy (void) |
|
|
748 | { |
606 | #if EV_MULTIPLICITY |
749 | #if EV_MULTIPLICITY |
607 | |
750 | struct ev_loop *loop = default_loop; |
608 | struct ev_loop * |
|
|
609 | ev_loop_new (int methods) |
|
|
610 | { |
|
|
611 | struct ev_loop *loop = (struct ev_loop *)calloc (1, sizeof (struct ev_loop)); |
|
|
612 | |
|
|
613 | if (loop_init (EV_A_ methods)) |
|
|
614 | return loop; |
|
|
615 | |
|
|
616 | ev_loop_delete (loop); |
|
|
617 | |
|
|
618 | return 0; |
|
|
619 | } |
|
|
620 | |
|
|
621 | void |
|
|
622 | ev_loop_delete (EV_P) |
|
|
623 | { |
|
|
624 | /*TODO*/ |
|
|
625 | free (loop); |
|
|
626 | } |
|
|
627 | |
|
|
628 | #else |
|
|
629 | |
|
|
630 | int |
|
|
631 | ev_init (int methods) |
|
|
632 | { |
|
|
633 | return loop_init (methods); |
|
|
634 | } |
|
|
635 | |
|
|
636 | #endif |
751 | #endif |
637 | |
752 | |
638 | /*****************************************************************************/ |
753 | ev_ref (EV_A); /* child watcher */ |
|
|
754 | ev_signal_stop (EV_A_ &childev); |
639 | |
755 | |
640 | void |
756 | ev_ref (EV_A); /* signal watcher */ |
641 | ev_fork_prepare (void) |
757 | ev_io_stop (EV_A_ &sigev); |
642 | { |
|
|
643 | /* nop */ |
|
|
644 | } |
|
|
645 | |
758 | |
646 | void |
759 | close (sigpipe [0]); sigpipe [0] = 0; |
647 | ev_fork_parent (void) |
760 | close (sigpipe [1]); sigpipe [1] = 0; |
648 | { |
|
|
649 | /* nop */ |
|
|
650 | } |
|
|
651 | |
761 | |
|
|
762 | loop_destroy (EV_A); |
|
|
763 | } |
|
|
764 | |
652 | void |
765 | void |
653 | ev_fork_child (void) |
766 | ev_default_fork (void) |
654 | { |
767 | { |
655 | /*TODO*/ |
|
|
656 | #if !EV_MULTIPLICITY |
768 | #if EV_MULTIPLICITY |
657 | #if EV_USE_EPOLL |
769 | struct ev_loop *loop = default_loop; |
658 | if (method == EVMETHOD_EPOLL) |
|
|
659 | epoll_postfork_child (EV_A); |
|
|
660 | #endif |
770 | #endif |
|
|
771 | |
|
|
772 | loop_fork (EV_A); |
661 | |
773 | |
662 | ev_io_stop (EV_A_ &sigev); |
774 | ev_io_stop (EV_A_ &sigev); |
663 | close (sigpipe [0]); |
775 | close (sigpipe [0]); |
664 | close (sigpipe [1]); |
776 | close (sigpipe [1]); |
665 | pipe (sigpipe); |
777 | pipe (sigpipe); |
|
|
778 | |
|
|
779 | ev_ref (EV_A); /* signal watcher */ |
666 | siginit (EV_A); |
780 | siginit (EV_A); |
667 | #endif |
|
|
668 | } |
781 | } |
669 | |
782 | |
670 | /*****************************************************************************/ |
783 | /*****************************************************************************/ |
671 | |
784 | |
672 | static void |
785 | static void |
… | |
… | |
680 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
793 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
681 | |
794 | |
682 | if (p->w) |
795 | if (p->w) |
683 | { |
796 | { |
684 | p->w->pending = 0; |
797 | p->w->pending = 0; |
|
|
798 | |
685 | p->w->cb (EV_A_ p->w, p->events); |
799 | (*(void (**)(EV_P_ W, int))&p->w->cb) (EV_A_ p->w, p->events); |
686 | } |
800 | } |
687 | } |
801 | } |
688 | } |
802 | } |
689 | |
803 | |
690 | static void |
804 | static void |
691 | timers_reify (EV_P) |
805 | timers_reify (EV_P) |
692 | { |
806 | { |
693 | while (timercnt && timers [0]->at <= mn_now) |
807 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
694 | { |
808 | { |
695 | struct ev_timer *w = timers [0]; |
809 | struct ev_timer *w = timers [0]; |
|
|
810 | |
|
|
811 | assert (("inactive timer on timer heap detected", ev_is_active (w))); |
696 | |
812 | |
697 | /* first reschedule or stop timer */ |
813 | /* first reschedule or stop timer */ |
698 | if (w->repeat) |
814 | if (w->repeat) |
699 | { |
815 | { |
700 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
816 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
701 | w->at = mn_now + w->repeat; |
817 | ((WT)w)->at = mn_now + w->repeat; |
702 | downheap ((WT *)timers, timercnt, 0); |
818 | downheap ((WT *)timers, timercnt, 0); |
703 | } |
819 | } |
704 | else |
820 | else |
705 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
821 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
706 | |
822 | |
… | |
… | |
709 | } |
825 | } |
710 | |
826 | |
711 | static void |
827 | static void |
712 | periodics_reify (EV_P) |
828 | periodics_reify (EV_P) |
713 | { |
829 | { |
714 | while (periodiccnt && periodics [0]->at <= rt_now) |
830 | while (periodiccnt && ((WT)periodics [0])->at <= rt_now) |
715 | { |
831 | { |
716 | struct ev_periodic *w = periodics [0]; |
832 | struct ev_periodic *w = periodics [0]; |
|
|
833 | |
|
|
834 | assert (("inactive timer on periodic heap detected", ev_is_active (w))); |
717 | |
835 | |
718 | /* first reschedule or stop timer */ |
836 | /* first reschedule or stop timer */ |
719 | if (w->interval) |
837 | if (w->interval) |
720 | { |
838 | { |
721 | w->at += floor ((rt_now - w->at) / w->interval + 1.) * w->interval; |
839 | ((WT)w)->at += floor ((rt_now - ((WT)w)->at) / w->interval + 1.) * w->interval; |
722 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", w->at > rt_now)); |
840 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > rt_now)); |
723 | downheap ((WT *)periodics, periodiccnt, 0); |
841 | downheap ((WT *)periodics, periodiccnt, 0); |
724 | } |
842 | } |
725 | else |
843 | else |
726 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
844 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
727 | |
845 | |
… | |
… | |
739 | { |
857 | { |
740 | struct ev_periodic *w = periodics [i]; |
858 | struct ev_periodic *w = periodics [i]; |
741 | |
859 | |
742 | if (w->interval) |
860 | if (w->interval) |
743 | { |
861 | { |
744 | ev_tstamp diff = ceil ((rt_now - w->at) / w->interval) * w->interval; |
862 | ev_tstamp diff = ceil ((rt_now - ((WT)w)->at) / w->interval) * w->interval; |
745 | |
863 | |
746 | if (fabs (diff) >= 1e-4) |
864 | if (fabs (diff) >= 1e-4) |
747 | { |
865 | { |
748 | ev_periodic_stop (EV_A_ w); |
866 | ev_periodic_stop (EV_A_ w); |
749 | ev_periodic_start (EV_A_ w); |
867 | ev_periodic_start (EV_A_ w); |
… | |
… | |
810 | { |
928 | { |
811 | periodics_reschedule (EV_A); |
929 | periodics_reschedule (EV_A); |
812 | |
930 | |
813 | /* adjust timers. this is easy, as the offset is the same for all */ |
931 | /* adjust timers. this is easy, as the offset is the same for all */ |
814 | for (i = 0; i < timercnt; ++i) |
932 | for (i = 0; i < timercnt; ++i) |
815 | timers [i]->at += rt_now - mn_now; |
933 | ((WT)timers [i])->at += rt_now - mn_now; |
816 | } |
934 | } |
817 | |
935 | |
818 | mn_now = rt_now; |
936 | mn_now = rt_now; |
819 | } |
937 | } |
820 | } |
938 | } |
… | |
… | |
871 | { |
989 | { |
872 | block = MAX_BLOCKTIME; |
990 | block = MAX_BLOCKTIME; |
873 | |
991 | |
874 | if (timercnt) |
992 | if (timercnt) |
875 | { |
993 | { |
876 | ev_tstamp to = timers [0]->at - mn_now + method_fudge; |
994 | ev_tstamp to = ((WT)timers [0])->at - mn_now + method_fudge; |
877 | if (block > to) block = to; |
995 | if (block > to) block = to; |
878 | } |
996 | } |
879 | |
997 | |
880 | if (periodiccnt) |
998 | if (periodiccnt) |
881 | { |
999 | { |
882 | ev_tstamp to = periodics [0]->at - rt_now + method_fudge; |
1000 | ev_tstamp to = ((WT)periodics [0])->at - rt_now + method_fudge; |
883 | if (block > to) block = to; |
1001 | if (block > to) block = to; |
884 | } |
1002 | } |
885 | |
1003 | |
886 | if (block < 0.) block = 0.; |
1004 | if (block < 0.) block = 0.; |
887 | } |
1005 | } |
… | |
… | |
1004 | ev_timer_start (EV_P_ struct ev_timer *w) |
1122 | ev_timer_start (EV_P_ struct ev_timer *w) |
1005 | { |
1123 | { |
1006 | if (ev_is_active (w)) |
1124 | if (ev_is_active (w)) |
1007 | return; |
1125 | return; |
1008 | |
1126 | |
1009 | w->at += mn_now; |
1127 | ((WT)w)->at += mn_now; |
1010 | |
1128 | |
1011 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1129 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1012 | |
1130 | |
1013 | ev_start (EV_A_ (W)w, ++timercnt); |
1131 | ev_start (EV_A_ (W)w, ++timercnt); |
1014 | array_needsize (timers, timermax, timercnt, ); |
1132 | array_needsize (timers, timermax, timercnt, ); |
1015 | timers [timercnt - 1] = w; |
1133 | timers [timercnt - 1] = w; |
1016 | upheap ((WT *)timers, timercnt - 1); |
1134 | upheap ((WT *)timers, timercnt - 1); |
|
|
1135 | |
|
|
1136 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1017 | } |
1137 | } |
1018 | |
1138 | |
1019 | void |
1139 | void |
1020 | ev_timer_stop (EV_P_ struct ev_timer *w) |
1140 | ev_timer_stop (EV_P_ struct ev_timer *w) |
1021 | { |
1141 | { |
1022 | ev_clear_pending (EV_A_ (W)w); |
1142 | ev_clear_pending (EV_A_ (W)w); |
1023 | if (!ev_is_active (w)) |
1143 | if (!ev_is_active (w)) |
1024 | return; |
1144 | return; |
1025 | |
1145 | |
|
|
1146 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
|
|
1147 | |
1026 | if (w->active < timercnt--) |
1148 | if (((W)w)->active < timercnt--) |
1027 | { |
1149 | { |
1028 | timers [w->active - 1] = timers [timercnt]; |
1150 | timers [((W)w)->active - 1] = timers [timercnt]; |
1029 | downheap ((WT *)timers, timercnt, w->active - 1); |
1151 | downheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1030 | } |
1152 | } |
1031 | |
1153 | |
1032 | w->at = w->repeat; |
1154 | ((WT)w)->at = w->repeat; |
1033 | |
1155 | |
1034 | ev_stop (EV_A_ (W)w); |
1156 | ev_stop (EV_A_ (W)w); |
1035 | } |
1157 | } |
1036 | |
1158 | |
1037 | void |
1159 | void |
… | |
… | |
1039 | { |
1161 | { |
1040 | if (ev_is_active (w)) |
1162 | if (ev_is_active (w)) |
1041 | { |
1163 | { |
1042 | if (w->repeat) |
1164 | if (w->repeat) |
1043 | { |
1165 | { |
1044 | w->at = mn_now + w->repeat; |
1166 | ((WT)w)->at = mn_now + w->repeat; |
1045 | downheap ((WT *)timers, timercnt, w->active - 1); |
1167 | downheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1046 | } |
1168 | } |
1047 | else |
1169 | else |
1048 | ev_timer_stop (EV_A_ w); |
1170 | ev_timer_stop (EV_A_ w); |
1049 | } |
1171 | } |
1050 | else if (w->repeat) |
1172 | else if (w->repeat) |
… | |
… | |
1059 | |
1181 | |
1060 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
1182 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
1061 | |
1183 | |
1062 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1184 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1063 | if (w->interval) |
1185 | if (w->interval) |
1064 | w->at += ceil ((rt_now - w->at) / w->interval) * w->interval; |
1186 | ((WT)w)->at += ceil ((rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1065 | |
1187 | |
1066 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1188 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1067 | array_needsize (periodics, periodicmax, periodiccnt, ); |
1189 | array_needsize (periodics, periodicmax, periodiccnt, ); |
1068 | periodics [periodiccnt - 1] = w; |
1190 | periodics [periodiccnt - 1] = w; |
1069 | upheap ((WT *)periodics, periodiccnt - 1); |
1191 | upheap ((WT *)periodics, periodiccnt - 1); |
|
|
1192 | |
|
|
1193 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1070 | } |
1194 | } |
1071 | |
1195 | |
1072 | void |
1196 | void |
1073 | ev_periodic_stop (EV_P_ struct ev_periodic *w) |
1197 | ev_periodic_stop (EV_P_ struct ev_periodic *w) |
1074 | { |
1198 | { |
1075 | ev_clear_pending (EV_A_ (W)w); |
1199 | ev_clear_pending (EV_A_ (W)w); |
1076 | if (!ev_is_active (w)) |
1200 | if (!ev_is_active (w)) |
1077 | return; |
1201 | return; |
1078 | |
1202 | |
|
|
1203 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
|
|
1204 | |
1079 | if (w->active < periodiccnt--) |
1205 | if (((W)w)->active < periodiccnt--) |
1080 | { |
1206 | { |
1081 | periodics [w->active - 1] = periodics [periodiccnt]; |
1207 | periodics [((W)w)->active - 1] = periodics [periodiccnt]; |
1082 | downheap ((WT *)periodics, periodiccnt, w->active - 1); |
1208 | downheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1); |
1083 | } |
1209 | } |
1084 | |
1210 | |
|
|
1211 | ev_stop (EV_A_ (W)w); |
|
|
1212 | } |
|
|
1213 | |
|
|
1214 | void |
|
|
1215 | ev_idle_start (EV_P_ struct ev_idle *w) |
|
|
1216 | { |
|
|
1217 | if (ev_is_active (w)) |
|
|
1218 | return; |
|
|
1219 | |
|
|
1220 | ev_start (EV_A_ (W)w, ++idlecnt); |
|
|
1221 | array_needsize (idles, idlemax, idlecnt, ); |
|
|
1222 | idles [idlecnt - 1] = w; |
|
|
1223 | } |
|
|
1224 | |
|
|
1225 | void |
|
|
1226 | ev_idle_stop (EV_P_ struct ev_idle *w) |
|
|
1227 | { |
|
|
1228 | ev_clear_pending (EV_A_ (W)w); |
|
|
1229 | if (ev_is_active (w)) |
|
|
1230 | return; |
|
|
1231 | |
|
|
1232 | idles [((W)w)->active - 1] = idles [--idlecnt]; |
|
|
1233 | ev_stop (EV_A_ (W)w); |
|
|
1234 | } |
|
|
1235 | |
|
|
1236 | void |
|
|
1237 | ev_prepare_start (EV_P_ struct ev_prepare *w) |
|
|
1238 | { |
|
|
1239 | if (ev_is_active (w)) |
|
|
1240 | return; |
|
|
1241 | |
|
|
1242 | ev_start (EV_A_ (W)w, ++preparecnt); |
|
|
1243 | array_needsize (prepares, preparemax, preparecnt, ); |
|
|
1244 | prepares [preparecnt - 1] = w; |
|
|
1245 | } |
|
|
1246 | |
|
|
1247 | void |
|
|
1248 | ev_prepare_stop (EV_P_ struct ev_prepare *w) |
|
|
1249 | { |
|
|
1250 | ev_clear_pending (EV_A_ (W)w); |
|
|
1251 | if (ev_is_active (w)) |
|
|
1252 | return; |
|
|
1253 | |
|
|
1254 | prepares [((W)w)->active - 1] = prepares [--preparecnt]; |
|
|
1255 | ev_stop (EV_A_ (W)w); |
|
|
1256 | } |
|
|
1257 | |
|
|
1258 | void |
|
|
1259 | ev_check_start (EV_P_ struct ev_check *w) |
|
|
1260 | { |
|
|
1261 | if (ev_is_active (w)) |
|
|
1262 | return; |
|
|
1263 | |
|
|
1264 | ev_start (EV_A_ (W)w, ++checkcnt); |
|
|
1265 | array_needsize (checks, checkmax, checkcnt, ); |
|
|
1266 | checks [checkcnt - 1] = w; |
|
|
1267 | } |
|
|
1268 | |
|
|
1269 | void |
|
|
1270 | ev_check_stop (EV_P_ struct ev_check *w) |
|
|
1271 | { |
|
|
1272 | ev_clear_pending (EV_A_ (W)w); |
|
|
1273 | if (ev_is_active (w)) |
|
|
1274 | return; |
|
|
1275 | |
|
|
1276 | checks [((W)w)->active - 1] = checks [--checkcnt]; |
1085 | ev_stop (EV_A_ (W)w); |
1277 | ev_stop (EV_A_ (W)w); |
1086 | } |
1278 | } |
1087 | |
1279 | |
1088 | #ifndef SA_RESTART |
1280 | #ifndef SA_RESTART |
1089 | # define SA_RESTART 0 |
1281 | # define SA_RESTART 0 |
1090 | #endif |
1282 | #endif |
1091 | |
1283 | |
1092 | void |
1284 | void |
1093 | ev_signal_start (EV_P_ struct ev_signal *w) |
1285 | ev_signal_start (EV_P_ struct ev_signal *w) |
1094 | { |
1286 | { |
|
|
1287 | #if EV_MULTIPLICITY |
|
|
1288 | assert (("signal watchers are only supported in the default loop", loop == default_loop)); |
|
|
1289 | #endif |
1095 | if (ev_is_active (w)) |
1290 | if (ev_is_active (w)) |
1096 | return; |
1291 | return; |
1097 | |
1292 | |
1098 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
1293 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
1099 | |
1294 | |
1100 | ev_start (EV_A_ (W)w, 1); |
1295 | ev_start (EV_A_ (W)w, 1); |
1101 | array_needsize (signals, signalmax, w->signum, signals_init); |
1296 | array_needsize (signals, signalmax, w->signum, signals_init); |
1102 | wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w); |
1297 | wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w); |
1103 | |
1298 | |
1104 | if (!w->next) |
1299 | if (!((WL)w)->next) |
1105 | { |
1300 | { |
1106 | struct sigaction sa; |
1301 | struct sigaction sa; |
1107 | sa.sa_handler = sighandler; |
1302 | sa.sa_handler = sighandler; |
1108 | sigfillset (&sa.sa_mask); |
1303 | sigfillset (&sa.sa_mask); |
1109 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
1304 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
… | |
… | |
1124 | if (!signals [w->signum - 1].head) |
1319 | if (!signals [w->signum - 1].head) |
1125 | signal (w->signum, SIG_DFL); |
1320 | signal (w->signum, SIG_DFL); |
1126 | } |
1321 | } |
1127 | |
1322 | |
1128 | void |
1323 | void |
1129 | ev_idle_start (EV_P_ struct ev_idle *w) |
|
|
1130 | { |
|
|
1131 | if (ev_is_active (w)) |
|
|
1132 | return; |
|
|
1133 | |
|
|
1134 | ev_start (EV_A_ (W)w, ++idlecnt); |
|
|
1135 | array_needsize (idles, idlemax, idlecnt, ); |
|
|
1136 | idles [idlecnt - 1] = w; |
|
|
1137 | } |
|
|
1138 | |
|
|
1139 | void |
|
|
1140 | ev_idle_stop (EV_P_ struct ev_idle *w) |
|
|
1141 | { |
|
|
1142 | ev_clear_pending (EV_A_ (W)w); |
|
|
1143 | if (ev_is_active (w)) |
|
|
1144 | return; |
|
|
1145 | |
|
|
1146 | idles [w->active - 1] = idles [--idlecnt]; |
|
|
1147 | ev_stop (EV_A_ (W)w); |
|
|
1148 | } |
|
|
1149 | |
|
|
1150 | void |
|
|
1151 | ev_prepare_start (EV_P_ struct ev_prepare *w) |
|
|
1152 | { |
|
|
1153 | if (ev_is_active (w)) |
|
|
1154 | return; |
|
|
1155 | |
|
|
1156 | ev_start (EV_A_ (W)w, ++preparecnt); |
|
|
1157 | array_needsize (prepares, preparemax, preparecnt, ); |
|
|
1158 | prepares [preparecnt - 1] = w; |
|
|
1159 | } |
|
|
1160 | |
|
|
1161 | void |
|
|
1162 | ev_prepare_stop (EV_P_ struct ev_prepare *w) |
|
|
1163 | { |
|
|
1164 | ev_clear_pending (EV_A_ (W)w); |
|
|
1165 | if (ev_is_active (w)) |
|
|
1166 | return; |
|
|
1167 | |
|
|
1168 | prepares [w->active - 1] = prepares [--preparecnt]; |
|
|
1169 | ev_stop (EV_A_ (W)w); |
|
|
1170 | } |
|
|
1171 | |
|
|
1172 | void |
|
|
1173 | ev_check_start (EV_P_ struct ev_check *w) |
|
|
1174 | { |
|
|
1175 | if (ev_is_active (w)) |
|
|
1176 | return; |
|
|
1177 | |
|
|
1178 | ev_start (EV_A_ (W)w, ++checkcnt); |
|
|
1179 | array_needsize (checks, checkmax, checkcnt, ); |
|
|
1180 | checks [checkcnt - 1] = w; |
|
|
1181 | } |
|
|
1182 | |
|
|
1183 | void |
|
|
1184 | ev_check_stop (EV_P_ struct ev_check *w) |
|
|
1185 | { |
|
|
1186 | ev_clear_pending (EV_A_ (W)w); |
|
|
1187 | if (ev_is_active (w)) |
|
|
1188 | return; |
|
|
1189 | |
|
|
1190 | checks [w->active - 1] = checks [--checkcnt]; |
|
|
1191 | ev_stop (EV_A_ (W)w); |
|
|
1192 | } |
|
|
1193 | |
|
|
1194 | void |
|
|
1195 | ev_child_start (EV_P_ struct ev_child *w) |
1324 | ev_child_start (EV_P_ struct ev_child *w) |
1196 | { |
1325 | { |
|
|
1326 | #if EV_MULTIPLICITY |
|
|
1327 | assert (("child watchers are only supported in the default loop", loop == default_loop)); |
|
|
1328 | #endif |
1197 | if (ev_is_active (w)) |
1329 | if (ev_is_active (w)) |
1198 | return; |
1330 | return; |
1199 | |
1331 | |
1200 | ev_start (EV_A_ (W)w, 1); |
1332 | ev_start (EV_A_ (W)w, 1); |
1201 | wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1333 | wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
… | |
… | |
1273 | ev_timer_start (EV_A_ &once->to); |
1405 | ev_timer_start (EV_A_ &once->to); |
1274 | } |
1406 | } |
1275 | } |
1407 | } |
1276 | } |
1408 | } |
1277 | |
1409 | |
1278 | /*****************************************************************************/ |
|
|
1279 | |
|
|
1280 | #if 0 |
|
|
1281 | |
|
|
1282 | struct ev_io wio; |
|
|
1283 | |
|
|
1284 | static void |
|
|
1285 | sin_cb (struct ev_io *w, int revents) |
|
|
1286 | { |
|
|
1287 | fprintf (stderr, "sin %d, revents %d\n", w->fd, revents); |
|
|
1288 | } |
|
|
1289 | |
|
|
1290 | static void |
|
|
1291 | ocb (struct ev_timer *w, int revents) |
|
|
1292 | { |
|
|
1293 | //fprintf (stderr, "timer %f,%f (%x) (%f) d%p\n", w->at, w->repeat, revents, w->at - ev_time (), w->data); |
|
|
1294 | ev_timer_stop (w); |
|
|
1295 | ev_timer_start (w); |
|
|
1296 | } |
|
|
1297 | |
|
|
1298 | static void |
|
|
1299 | scb (struct ev_signal *w, int revents) |
|
|
1300 | { |
|
|
1301 | fprintf (stderr, "signal %x,%d\n", revents, w->signum); |
|
|
1302 | ev_io_stop (&wio); |
|
|
1303 | ev_io_start (&wio); |
|
|
1304 | } |
|
|
1305 | |
|
|
1306 | static void |
|
|
1307 | gcb (struct ev_signal *w, int revents) |
|
|
1308 | { |
|
|
1309 | fprintf (stderr, "generic %x\n", revents); |
|
|
1310 | |
|
|
1311 | } |
|
|
1312 | |
|
|
1313 | int main (void) |
|
|
1314 | { |
|
|
1315 | ev_init (0); |
|
|
1316 | |
|
|
1317 | ev_io_init (&wio, sin_cb, 0, EV_READ); |
|
|
1318 | ev_io_start (&wio); |
|
|
1319 | |
|
|
1320 | struct ev_timer t[10000]; |
|
|
1321 | |
|
|
1322 | #if 0 |
|
|
1323 | int i; |
|
|
1324 | for (i = 0; i < 10000; ++i) |
|
|
1325 | { |
|
|
1326 | struct ev_timer *w = t + i; |
|
|
1327 | ev_watcher_init (w, ocb, i); |
|
|
1328 | ev_timer_init_abs (w, ocb, drand48 (), 0.99775533); |
|
|
1329 | ev_timer_start (w); |
|
|
1330 | if (drand48 () < 0.5) |
|
|
1331 | ev_timer_stop (w); |
|
|
1332 | } |
|
|
1333 | #endif |
|
|
1334 | |
|
|
1335 | struct ev_timer t1; |
|
|
1336 | ev_timer_init (&t1, ocb, 5, 10); |
|
|
1337 | ev_timer_start (&t1); |
|
|
1338 | |
|
|
1339 | struct ev_signal sig; |
|
|
1340 | ev_signal_init (&sig, scb, SIGQUIT); |
|
|
1341 | ev_signal_start (&sig); |
|
|
1342 | |
|
|
1343 | struct ev_check cw; |
|
|
1344 | ev_check_init (&cw, gcb); |
|
|
1345 | ev_check_start (&cw); |
|
|
1346 | |
|
|
1347 | struct ev_idle iw; |
|
|
1348 | ev_idle_init (&iw, gcb); |
|
|
1349 | ev_idle_start (&iw); |
|
|
1350 | |
|
|
1351 | ev_loop (0); |
|
|
1352 | |
|
|
1353 | return 0; |
|
|
1354 | } |
|
|
1355 | |
|
|
1356 | #endif |
|
|
1357 | |
|
|
1358 | |
|
|
1359 | |
|
|
1360 | |
|
|