… | |
… | |
111 | #include <time.h> |
111 | #include <time.h> |
112 | |
112 | |
113 | #include <signal.h> |
113 | #include <signal.h> |
114 | |
114 | |
115 | #ifndef _WIN32 |
115 | #ifndef _WIN32 |
116 | # include <unistd.h> |
|
|
117 | # include <sys/time.h> |
116 | # include <sys/time.h> |
118 | # include <sys/wait.h> |
117 | # include <sys/wait.h> |
|
|
118 | # include <unistd.h> |
119 | #else |
119 | #else |
120 | # define WIN32_LEAN_AND_MEAN |
120 | # define WIN32_LEAN_AND_MEAN |
121 | # include <windows.h> |
121 | # include <windows.h> |
122 | # ifndef EV_SELECT_IS_WINSOCKET |
122 | # ifndef EV_SELECT_IS_WINSOCKET |
123 | # define EV_SELECT_IS_WINSOCKET 1 |
123 | # define EV_SELECT_IS_WINSOCKET 1 |
… | |
… | |
187 | # include "ev.h" |
187 | # include "ev.h" |
188 | #endif |
188 | #endif |
189 | |
189 | |
190 | #if __GNUC__ >= 3 |
190 | #if __GNUC__ >= 3 |
191 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
191 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
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|
192 | # define inline_size static inline /* inline for codesize */ |
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|
193 | # if EV_MINIMAL |
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|
194 | # define noinline __attribute__ ((noinline)) |
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|
195 | # define inline_speed static noinline |
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|
196 | # else |
|
|
197 | # define noinline |
192 | # define inline static inline |
198 | # define inline_speed static inline |
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|
199 | # endif |
193 | #else |
200 | #else |
194 | # define expect(expr,value) (expr) |
201 | # define expect(expr,value) (expr) |
195 | # define inline static |
202 | # define inline_speed static |
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|
203 | # define inline_minimal static |
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|
204 | # define noinline |
196 | #endif |
205 | #endif |
197 | |
206 | |
198 | #define expect_false(expr) expect ((expr) != 0, 0) |
207 | #define expect_false(expr) expect ((expr) != 0, 0) |
199 | #define expect_true(expr) expect ((expr) != 0, 1) |
208 | #define expect_true(expr) expect ((expr) != 0, 1) |
200 | |
209 | |
… | |
… | |
216 | |
225 | |
217 | /*****************************************************************************/ |
226 | /*****************************************************************************/ |
218 | |
227 | |
219 | static void (*syserr_cb)(const char *msg); |
228 | static void (*syserr_cb)(const char *msg); |
220 | |
229 | |
|
|
230 | void |
221 | void ev_set_syserr_cb (void (*cb)(const char *msg)) |
231 | ev_set_syserr_cb (void (*cb)(const char *msg)) |
222 | { |
232 | { |
223 | syserr_cb = cb; |
233 | syserr_cb = cb; |
224 | } |
234 | } |
225 | |
235 | |
226 | static void |
236 | static void noinline |
227 | syserr (const char *msg) |
237 | syserr (const char *msg) |
228 | { |
238 | { |
229 | if (!msg) |
239 | if (!msg) |
230 | msg = "(libev) system error"; |
240 | msg = "(libev) system error"; |
231 | |
241 | |
… | |
… | |
238 | } |
248 | } |
239 | } |
249 | } |
240 | |
250 | |
241 | static void *(*alloc)(void *ptr, long size); |
251 | static void *(*alloc)(void *ptr, long size); |
242 | |
252 | |
|
|
253 | void |
243 | void ev_set_allocator (void *(*cb)(void *ptr, long size)) |
254 | ev_set_allocator (void *(*cb)(void *ptr, long size)) |
244 | { |
255 | { |
245 | alloc = cb; |
256 | alloc = cb; |
246 | } |
257 | } |
247 | |
258 | |
248 | static void * |
259 | static void * |
… | |
… | |
320 | gettimeofday (&tv, 0); |
331 | gettimeofday (&tv, 0); |
321 | return tv.tv_sec + tv.tv_usec * 1e-6; |
332 | return tv.tv_sec + tv.tv_usec * 1e-6; |
322 | #endif |
333 | #endif |
323 | } |
334 | } |
324 | |
335 | |
325 | inline ev_tstamp |
336 | ev_tstamp inline_size |
326 | get_clock (void) |
337 | get_clock (void) |
327 | { |
338 | { |
328 | #if EV_USE_MONOTONIC |
339 | #if EV_USE_MONOTONIC |
329 | if (expect_true (have_monotonic)) |
340 | if (expect_true (have_monotonic)) |
330 | { |
341 | { |
… | |
… | |
373 | #define array_free(stem, idx) \ |
384 | #define array_free(stem, idx) \ |
374 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; |
385 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; |
375 | |
386 | |
376 | /*****************************************************************************/ |
387 | /*****************************************************************************/ |
377 | |
388 | |
378 | static void |
389 | void noinline |
379 | anfds_init (ANFD *base, int count) |
|
|
380 | { |
|
|
381 | while (count--) |
|
|
382 | { |
|
|
383 | base->head = 0; |
|
|
384 | base->events = EV_NONE; |
|
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385 | base->reify = 0; |
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386 | |
|
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387 | ++base; |
|
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388 | } |
|
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389 | } |
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390 | |
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391 | void |
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|
392 | ev_feed_event (EV_P_ void *w, int revents) |
390 | ev_feed_event (EV_P_ void *w, int revents) |
393 | { |
391 | { |
394 | W w_ = (W)w; |
392 | W w_ = (W)w; |
395 | |
393 | |
396 | if (expect_false (w_->pending)) |
394 | if (expect_false (w_->pending)) |
… | |
… | |
403 | array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], EMPTY2); |
401 | array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], EMPTY2); |
404 | pendings [ABSPRI (w_)][w_->pending - 1].w = w_; |
402 | pendings [ABSPRI (w_)][w_->pending - 1].w = w_; |
405 | pendings [ABSPRI (w_)][w_->pending - 1].events = revents; |
403 | pendings [ABSPRI (w_)][w_->pending - 1].events = revents; |
406 | } |
404 | } |
407 | |
405 | |
408 | static void |
406 | void inline_size |
409 | queue_events (EV_P_ W *events, int eventcnt, int type) |
407 | queue_events (EV_P_ W *events, int eventcnt, int type) |
410 | { |
408 | { |
411 | int i; |
409 | int i; |
412 | |
410 | |
413 | for (i = 0; i < eventcnt; ++i) |
411 | for (i = 0; i < eventcnt; ++i) |
414 | ev_feed_event (EV_A_ events [i], type); |
412 | ev_feed_event (EV_A_ events [i], type); |
415 | } |
413 | } |
416 | |
414 | |
417 | inline void |
415 | /*****************************************************************************/ |
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|
416 | |
|
|
417 | void inline_size |
|
|
418 | anfds_init (ANFD *base, int count) |
|
|
419 | { |
|
|
420 | while (count--) |
|
|
421 | { |
|
|
422 | base->head = 0; |
|
|
423 | base->events = EV_NONE; |
|
|
424 | base->reify = 0; |
|
|
425 | |
|
|
426 | ++base; |
|
|
427 | } |
|
|
428 | } |
|
|
429 | |
|
|
430 | void inline_speed |
418 | fd_event (EV_P_ int fd, int revents) |
431 | fd_event (EV_P_ int fd, int revents) |
419 | { |
432 | { |
420 | ANFD *anfd = anfds + fd; |
433 | ANFD *anfd = anfds + fd; |
421 | ev_io *w; |
434 | ev_io *w; |
422 | |
435 | |
… | |
… | |
433 | ev_feed_fd_event (EV_P_ int fd, int revents) |
446 | ev_feed_fd_event (EV_P_ int fd, int revents) |
434 | { |
447 | { |
435 | fd_event (EV_A_ fd, revents); |
448 | fd_event (EV_A_ fd, revents); |
436 | } |
449 | } |
437 | |
450 | |
438 | /*****************************************************************************/ |
451 | void inline_size |
439 | |
|
|
440 | inline void |
|
|
441 | fd_reify (EV_P) |
452 | fd_reify (EV_P) |
442 | { |
453 | { |
443 | int i; |
454 | int i; |
444 | |
455 | |
445 | for (i = 0; i < fdchangecnt; ++i) |
456 | for (i = 0; i < fdchangecnt; ++i) |
… | |
… | |
469 | } |
480 | } |
470 | |
481 | |
471 | fdchangecnt = 0; |
482 | fdchangecnt = 0; |
472 | } |
483 | } |
473 | |
484 | |
474 | static void |
485 | void inline_size |
475 | fd_change (EV_P_ int fd) |
486 | fd_change (EV_P_ int fd) |
476 | { |
487 | { |
477 | if (expect_false (anfds [fd].reify)) |
488 | if (expect_false (anfds [fd].reify)) |
478 | return; |
489 | return; |
479 | |
490 | |
… | |
… | |
482 | ++fdchangecnt; |
493 | ++fdchangecnt; |
483 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
494 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
484 | fdchanges [fdchangecnt - 1] = fd; |
495 | fdchanges [fdchangecnt - 1] = fd; |
485 | } |
496 | } |
486 | |
497 | |
487 | static void |
498 | void inline_speed |
488 | fd_kill (EV_P_ int fd) |
499 | fd_kill (EV_P_ int fd) |
489 | { |
500 | { |
490 | ev_io *w; |
501 | ev_io *w; |
491 | |
502 | |
492 | while ((w = (ev_io *)anfds [fd].head)) |
503 | while ((w = (ev_io *)anfds [fd].head)) |
… | |
… | |
494 | ev_io_stop (EV_A_ w); |
505 | ev_io_stop (EV_A_ w); |
495 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
506 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
496 | } |
507 | } |
497 | } |
508 | } |
498 | |
509 | |
499 | inline int |
510 | int inline_size |
500 | fd_valid (int fd) |
511 | fd_valid (int fd) |
501 | { |
512 | { |
502 | #ifdef _WIN32 |
513 | #ifdef _WIN32 |
503 | return _get_osfhandle (fd) != -1; |
514 | return _get_osfhandle (fd) != -1; |
504 | #else |
515 | #else |
505 | return fcntl (fd, F_GETFD) != -1; |
516 | return fcntl (fd, F_GETFD) != -1; |
506 | #endif |
517 | #endif |
507 | } |
518 | } |
508 | |
519 | |
509 | /* called on EBADF to verify fds */ |
520 | /* called on EBADF to verify fds */ |
510 | static void |
521 | static void noinline |
511 | fd_ebadf (EV_P) |
522 | fd_ebadf (EV_P) |
512 | { |
523 | { |
513 | int fd; |
524 | int fd; |
514 | |
525 | |
515 | for (fd = 0; fd < anfdmax; ++fd) |
526 | for (fd = 0; fd < anfdmax; ++fd) |
… | |
… | |
517 | if (!fd_valid (fd) == -1 && errno == EBADF) |
528 | if (!fd_valid (fd) == -1 && errno == EBADF) |
518 | fd_kill (EV_A_ fd); |
529 | fd_kill (EV_A_ fd); |
519 | } |
530 | } |
520 | |
531 | |
521 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
532 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
522 | static void |
533 | static void noinline |
523 | fd_enomem (EV_P) |
534 | fd_enomem (EV_P) |
524 | { |
535 | { |
525 | int fd; |
536 | int fd; |
526 | |
537 | |
527 | for (fd = anfdmax; fd--; ) |
538 | for (fd = anfdmax; fd--; ) |
… | |
… | |
531 | return; |
542 | return; |
532 | } |
543 | } |
533 | } |
544 | } |
534 | |
545 | |
535 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
546 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
536 | static void |
547 | static void noinline |
537 | fd_rearm_all (EV_P) |
548 | fd_rearm_all (EV_P) |
538 | { |
549 | { |
539 | int fd; |
550 | int fd; |
540 | |
551 | |
541 | /* this should be highly optimised to not do anything but set a flag */ |
552 | /* this should be highly optimised to not do anything but set a flag */ |
… | |
… | |
547 | } |
558 | } |
548 | } |
559 | } |
549 | |
560 | |
550 | /*****************************************************************************/ |
561 | /*****************************************************************************/ |
551 | |
562 | |
552 | static void |
563 | void inline_speed |
553 | upheap (WT *heap, int k) |
564 | upheap (WT *heap, int k) |
554 | { |
565 | { |
555 | WT w = heap [k]; |
566 | WT w = heap [k]; |
556 | |
567 | |
557 | while (k && heap [k >> 1]->at > w->at) |
568 | while (k && heap [k >> 1]->at > w->at) |
… | |
… | |
564 | heap [k] = w; |
575 | heap [k] = w; |
565 | ((W)heap [k])->active = k + 1; |
576 | ((W)heap [k])->active = k + 1; |
566 | |
577 | |
567 | } |
578 | } |
568 | |
579 | |
569 | static void |
580 | void inline_speed |
570 | downheap (WT *heap, int N, int k) |
581 | downheap (WT *heap, int N, int k) |
571 | { |
582 | { |
572 | WT w = heap [k]; |
583 | WT w = heap [k]; |
573 | |
584 | |
574 | while (k < (N >> 1)) |
585 | while (k < (N >> 1)) |
… | |
… | |
588 | |
599 | |
589 | heap [k] = w; |
600 | heap [k] = w; |
590 | ((W)heap [k])->active = k + 1; |
601 | ((W)heap [k])->active = k + 1; |
591 | } |
602 | } |
592 | |
603 | |
593 | inline void |
604 | void inline_size |
594 | adjustheap (WT *heap, int N, int k) |
605 | adjustheap (WT *heap, int N, int k) |
595 | { |
606 | { |
596 | upheap (heap, k); |
607 | upheap (heap, k); |
597 | downheap (heap, N, k); |
608 | downheap (heap, N, k); |
598 | } |
609 | } |
… | |
… | |
610 | |
621 | |
611 | static int sigpipe [2]; |
622 | static int sigpipe [2]; |
612 | static sig_atomic_t volatile gotsig; |
623 | static sig_atomic_t volatile gotsig; |
613 | static ev_io sigev; |
624 | static ev_io sigev; |
614 | |
625 | |
615 | static void |
626 | void inline_size |
616 | signals_init (ANSIG *base, int count) |
627 | signals_init (ANSIG *base, int count) |
617 | { |
628 | { |
618 | while (count--) |
629 | while (count--) |
619 | { |
630 | { |
620 | base->head = 0; |
631 | base->head = 0; |
… | |
… | |
640 | write (sigpipe [1], &signum, 1); |
651 | write (sigpipe [1], &signum, 1); |
641 | errno = old_errno; |
652 | errno = old_errno; |
642 | } |
653 | } |
643 | } |
654 | } |
644 | |
655 | |
645 | void |
656 | void noinline |
646 | ev_feed_signal_event (EV_P_ int signum) |
657 | ev_feed_signal_event (EV_P_ int signum) |
647 | { |
658 | { |
648 | WL w; |
659 | WL w; |
649 | |
660 | |
650 | #if EV_MULTIPLICITY |
661 | #if EV_MULTIPLICITY |
… | |
… | |
673 | for (signum = signalmax; signum--; ) |
684 | for (signum = signalmax; signum--; ) |
674 | if (signals [signum].gotsig) |
685 | if (signals [signum].gotsig) |
675 | ev_feed_signal_event (EV_A_ signum + 1); |
686 | ev_feed_signal_event (EV_A_ signum + 1); |
676 | } |
687 | } |
677 | |
688 | |
678 | static void |
689 | void inline_size |
679 | fd_intern (int fd) |
690 | fd_intern (int fd) |
680 | { |
691 | { |
681 | #ifdef _WIN32 |
692 | #ifdef _WIN32 |
682 | int arg = 1; |
693 | int arg = 1; |
683 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
694 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
… | |
… | |
685 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
696 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
686 | fcntl (fd, F_SETFL, O_NONBLOCK); |
697 | fcntl (fd, F_SETFL, O_NONBLOCK); |
687 | #endif |
698 | #endif |
688 | } |
699 | } |
689 | |
700 | |
690 | static void |
701 | static void noinline |
691 | siginit (EV_P) |
702 | siginit (EV_P) |
692 | { |
703 | { |
693 | fd_intern (sigpipe [0]); |
704 | fd_intern (sigpipe [0]); |
694 | fd_intern (sigpipe [1]); |
705 | fd_intern (sigpipe [1]); |
695 | |
706 | |
… | |
… | |
704 | |
715 | |
705 | #ifndef _WIN32 |
716 | #ifndef _WIN32 |
706 | |
717 | |
707 | static ev_signal childev; |
718 | static ev_signal childev; |
708 | |
719 | |
709 | #ifndef WCONTINUED |
720 | void inline_speed |
710 | # define WCONTINUED 0 |
|
|
711 | #endif |
|
|
712 | |
|
|
713 | static void |
|
|
714 | child_reap (EV_P_ ev_signal *sw, int chain, int pid, int status) |
721 | child_reap (EV_P_ ev_signal *sw, int chain, int pid, int status) |
715 | { |
722 | { |
716 | ev_child *w; |
723 | ev_child *w; |
717 | |
724 | |
718 | for (w = (ev_child *)childs [chain & (PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
725 | for (w = (ev_child *)childs [chain & (PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
… | |
… | |
723 | w->rstatus = status; |
730 | w->rstatus = status; |
724 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
731 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
725 | } |
732 | } |
726 | } |
733 | } |
727 | |
734 | |
|
|
735 | #ifndef WCONTINUED |
|
|
736 | # define WCONTINUED 0 |
|
|
737 | #endif |
|
|
738 | |
728 | static void |
739 | static void |
729 | childcb (EV_P_ ev_signal *sw, int revents) |
740 | childcb (EV_P_ ev_signal *sw, int revents) |
730 | { |
741 | { |
731 | int pid, status; |
742 | int pid, status; |
732 | |
743 | |
|
|
744 | /* some systems define WCONTINUED but then fail to support it (linux 2.4) */ |
733 | if (0 < (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED))) |
745 | if (0 >= (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED))) |
734 | { |
746 | if (!WCONTINUED |
|
|
747 | || errno != EINVAL |
|
|
748 | || 0 >= (pid = waitpid (-1, &status, WNOHANG | WUNTRACED))) |
|
|
749 | return; |
|
|
750 | |
735 | /* make sure we are called again until all childs have been reaped */ |
751 | /* make sure we are called again until all childs have been reaped */ |
736 | /* we need to do it this way so that the callback gets called before we continue */ |
752 | /* we need to do it this way so that the callback gets called before we continue */ |
737 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
753 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
738 | |
754 | |
739 | child_reap (EV_A_ sw, pid, pid, status); |
755 | child_reap (EV_A_ sw, pid, pid, status); |
740 | child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
756 | child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
741 | } |
|
|
742 | } |
757 | } |
743 | |
758 | |
744 | #endif |
759 | #endif |
745 | |
760 | |
746 | /*****************************************************************************/ |
761 | /*****************************************************************************/ |
… | |
… | |
772 | { |
787 | { |
773 | return EV_VERSION_MINOR; |
788 | return EV_VERSION_MINOR; |
774 | } |
789 | } |
775 | |
790 | |
776 | /* return true if we are running with elevated privileges and should ignore env variables */ |
791 | /* return true if we are running with elevated privileges and should ignore env variables */ |
777 | static int |
792 | int inline_size |
778 | enable_secure (void) |
793 | enable_secure (void) |
779 | { |
794 | { |
780 | #ifdef _WIN32 |
795 | #ifdef _WIN32 |
781 | return 0; |
796 | return 0; |
782 | #else |
797 | #else |
… | |
… | |
904 | array_free (pending, [i]); |
919 | array_free (pending, [i]); |
905 | |
920 | |
906 | /* have to use the microsoft-never-gets-it-right macro */ |
921 | /* have to use the microsoft-never-gets-it-right macro */ |
907 | array_free (fdchange, EMPTY0); |
922 | array_free (fdchange, EMPTY0); |
908 | array_free (timer, EMPTY0); |
923 | array_free (timer, EMPTY0); |
909 | #if EV_PERIODICS |
924 | #if EV_PERIODIC_ENABLE |
910 | array_free (periodic, EMPTY0); |
925 | array_free (periodic, EMPTY0); |
911 | #endif |
926 | #endif |
912 | array_free (idle, EMPTY0); |
927 | array_free (idle, EMPTY0); |
913 | array_free (prepare, EMPTY0); |
928 | array_free (prepare, EMPTY0); |
914 | array_free (check, EMPTY0); |
929 | array_free (check, EMPTY0); |
… | |
… | |
1050 | postfork = 1; |
1065 | postfork = 1; |
1051 | } |
1066 | } |
1052 | |
1067 | |
1053 | /*****************************************************************************/ |
1068 | /*****************************************************************************/ |
1054 | |
1069 | |
1055 | static int |
1070 | int inline_size |
1056 | any_pending (EV_P) |
1071 | any_pending (EV_P) |
1057 | { |
1072 | { |
1058 | int pri; |
1073 | int pri; |
1059 | |
1074 | |
1060 | for (pri = NUMPRI; pri--; ) |
1075 | for (pri = NUMPRI; pri--; ) |
… | |
… | |
1062 | return 1; |
1077 | return 1; |
1063 | |
1078 | |
1064 | return 0; |
1079 | return 0; |
1065 | } |
1080 | } |
1066 | |
1081 | |
1067 | inline void |
1082 | void inline_speed |
1068 | call_pending (EV_P) |
1083 | call_pending (EV_P) |
1069 | { |
1084 | { |
1070 | int pri; |
1085 | int pri; |
1071 | |
1086 | |
1072 | for (pri = NUMPRI; pri--; ) |
1087 | for (pri = NUMPRI; pri--; ) |
… | |
… | |
1074 | { |
1089 | { |
1075 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
1090 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
1076 | |
1091 | |
1077 | if (expect_true (p->w)) |
1092 | if (expect_true (p->w)) |
1078 | { |
1093 | { |
|
|
1094 | assert (("non-pending watcher on pending list", p->w->pending)); |
|
|
1095 | |
1079 | p->w->pending = 0; |
1096 | p->w->pending = 0; |
1080 | EV_CB_INVOKE (p->w, p->events); |
1097 | EV_CB_INVOKE (p->w, p->events); |
1081 | } |
1098 | } |
1082 | } |
1099 | } |
1083 | } |
1100 | } |
1084 | |
1101 | |
1085 | inline void |
1102 | void inline_size |
1086 | timers_reify (EV_P) |
1103 | timers_reify (EV_P) |
1087 | { |
1104 | { |
1088 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
1105 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
1089 | { |
1106 | { |
1090 | ev_timer *w = timers [0]; |
1107 | ev_timer *w = timers [0]; |
… | |
… | |
1107 | |
1124 | |
1108 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
1125 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
1109 | } |
1126 | } |
1110 | } |
1127 | } |
1111 | |
1128 | |
1112 | #if EV_PERIODICS |
1129 | #if EV_PERIODIC_ENABLE |
1113 | inline void |
1130 | void inline_size |
1114 | periodics_reify (EV_P) |
1131 | periodics_reify (EV_P) |
1115 | { |
1132 | { |
1116 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
1133 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
1117 | { |
1134 | { |
1118 | ev_periodic *w = periodics [0]; |
1135 | ev_periodic *w = periodics [0]; |
… | |
… | |
1137 | |
1154 | |
1138 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
1155 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
1139 | } |
1156 | } |
1140 | } |
1157 | } |
1141 | |
1158 | |
1142 | static void |
1159 | static void noinline |
1143 | periodics_reschedule (EV_P) |
1160 | periodics_reschedule (EV_P) |
1144 | { |
1161 | { |
1145 | int i; |
1162 | int i; |
1146 | |
1163 | |
1147 | /* adjust periodics after time jump */ |
1164 | /* adjust periodics after time jump */ |
… | |
… | |
1159 | for (i = periodiccnt >> 1; i--; ) |
1176 | for (i = periodiccnt >> 1; i--; ) |
1160 | downheap ((WT *)periodics, periodiccnt, i); |
1177 | downheap ((WT *)periodics, periodiccnt, i); |
1161 | } |
1178 | } |
1162 | #endif |
1179 | #endif |
1163 | |
1180 | |
1164 | inline int |
1181 | int inline_size |
1165 | time_update_monotonic (EV_P) |
1182 | time_update_monotonic (EV_P) |
1166 | { |
1183 | { |
1167 | mn_now = get_clock (); |
1184 | mn_now = get_clock (); |
1168 | |
1185 | |
1169 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
1186 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
… | |
… | |
1177 | ev_rt_now = ev_time (); |
1194 | ev_rt_now = ev_time (); |
1178 | return 1; |
1195 | return 1; |
1179 | } |
1196 | } |
1180 | } |
1197 | } |
1181 | |
1198 | |
1182 | inline void |
1199 | void inline_size |
1183 | time_update (EV_P) |
1200 | time_update (EV_P) |
1184 | { |
1201 | { |
1185 | int i; |
1202 | int i; |
1186 | |
1203 | |
1187 | #if EV_USE_MONOTONIC |
1204 | #if EV_USE_MONOTONIC |
… | |
… | |
1189 | { |
1206 | { |
1190 | if (time_update_monotonic (EV_A)) |
1207 | if (time_update_monotonic (EV_A)) |
1191 | { |
1208 | { |
1192 | ev_tstamp odiff = rtmn_diff; |
1209 | ev_tstamp odiff = rtmn_diff; |
1193 | |
1210 | |
1194 | for (i = 4; --i; ) /* loop a few times, before making important decisions */ |
1211 | /* loop a few times, before making important decisions. |
|
|
1212 | * on the choice of "4": one iteration isn't enough, |
|
|
1213 | * in case we get preempted during the calls to |
|
|
1214 | * ev_time and get_clock. a second call is almost guarenteed |
|
|
1215 | * to succeed in that case, though. and looping a few more times |
|
|
1216 | * doesn't hurt either as we only do this on time-jumps or |
|
|
1217 | * in the unlikely event of getting preempted here. |
|
|
1218 | */ |
|
|
1219 | for (i = 4; --i; ) |
1195 | { |
1220 | { |
1196 | rtmn_diff = ev_rt_now - mn_now; |
1221 | rtmn_diff = ev_rt_now - mn_now; |
1197 | |
1222 | |
1198 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
1223 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
1199 | return; /* all is well */ |
1224 | return; /* all is well */ |
… | |
… | |
1201 | ev_rt_now = ev_time (); |
1226 | ev_rt_now = ev_time (); |
1202 | mn_now = get_clock (); |
1227 | mn_now = get_clock (); |
1203 | now_floor = mn_now; |
1228 | now_floor = mn_now; |
1204 | } |
1229 | } |
1205 | |
1230 | |
1206 | # if EV_PERIODICS |
1231 | # if EV_PERIODIC_ENABLE |
1207 | periodics_reschedule (EV_A); |
1232 | periodics_reschedule (EV_A); |
1208 | # endif |
1233 | # endif |
1209 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
1234 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
1210 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
1235 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
1211 | } |
1236 | } |
… | |
… | |
1215 | { |
1240 | { |
1216 | ev_rt_now = ev_time (); |
1241 | ev_rt_now = ev_time (); |
1217 | |
1242 | |
1218 | if (expect_false (mn_now > ev_rt_now || mn_now < ev_rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP)) |
1243 | if (expect_false (mn_now > ev_rt_now || mn_now < ev_rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP)) |
1219 | { |
1244 | { |
1220 | #if EV_PERIODICS |
1245 | #if EV_PERIODIC_ENABLE |
1221 | periodics_reschedule (EV_A); |
1246 | periodics_reschedule (EV_A); |
1222 | #endif |
1247 | #endif |
1223 | |
1248 | |
1224 | /* adjust timers. this is easy, as the offset is the same for all */ |
1249 | /* adjust timers. this is easy, as the offset is the same for all */ |
1225 | for (i = 0; i < timercnt; ++i) |
1250 | for (i = 0; i < timercnt; ++i) |
… | |
… | |
1292 | { |
1317 | { |
1293 | ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge; |
1318 | ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge; |
1294 | if (block > to) block = to; |
1319 | if (block > to) block = to; |
1295 | } |
1320 | } |
1296 | |
1321 | |
1297 | #if EV_PERIODICS |
1322 | #if EV_PERIODIC_ENABLE |
1298 | if (periodiccnt) |
1323 | if (periodiccnt) |
1299 | { |
1324 | { |
1300 | ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + backend_fudge; |
1325 | ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + backend_fudge; |
1301 | if (block > to) block = to; |
1326 | if (block > to) block = to; |
1302 | } |
1327 | } |
… | |
… | |
1311 | /* update ev_rt_now, do magic */ |
1336 | /* update ev_rt_now, do magic */ |
1312 | time_update (EV_A); |
1337 | time_update (EV_A); |
1313 | |
1338 | |
1314 | /* queue pending timers and reschedule them */ |
1339 | /* queue pending timers and reschedule them */ |
1315 | timers_reify (EV_A); /* relative timers called last */ |
1340 | timers_reify (EV_A); /* relative timers called last */ |
1316 | #if EV_PERIODICS |
1341 | #if EV_PERIODIC_ENABLE |
1317 | periodics_reify (EV_A); /* absolute timers called first */ |
1342 | periodics_reify (EV_A); /* absolute timers called first */ |
1318 | #endif |
1343 | #endif |
1319 | |
1344 | |
1320 | /* queue idle watchers unless io or timers are pending */ |
1345 | /* queue idle watchers unless other events are pending */ |
1321 | if (idlecnt && !any_pending (EV_A)) |
1346 | if (idlecnt && !any_pending (EV_A)) |
1322 | queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE); |
1347 | queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE); |
1323 | |
1348 | |
1324 | /* queue check watchers, to be executed first */ |
1349 | /* queue check watchers, to be executed first */ |
1325 | if (expect_false (checkcnt)) |
1350 | if (expect_false (checkcnt)) |
… | |
… | |
1341 | loop_done = how; |
1366 | loop_done = how; |
1342 | } |
1367 | } |
1343 | |
1368 | |
1344 | /*****************************************************************************/ |
1369 | /*****************************************************************************/ |
1345 | |
1370 | |
1346 | inline void |
1371 | void inline_size |
1347 | wlist_add (WL *head, WL elem) |
1372 | wlist_add (WL *head, WL elem) |
1348 | { |
1373 | { |
1349 | elem->next = *head; |
1374 | elem->next = *head; |
1350 | *head = elem; |
1375 | *head = elem; |
1351 | } |
1376 | } |
1352 | |
1377 | |
1353 | inline void |
1378 | void inline_size |
1354 | wlist_del (WL *head, WL elem) |
1379 | wlist_del (WL *head, WL elem) |
1355 | { |
1380 | { |
1356 | while (*head) |
1381 | while (*head) |
1357 | { |
1382 | { |
1358 | if (*head == elem) |
1383 | if (*head == elem) |
… | |
… | |
1363 | |
1388 | |
1364 | head = &(*head)->next; |
1389 | head = &(*head)->next; |
1365 | } |
1390 | } |
1366 | } |
1391 | } |
1367 | |
1392 | |
1368 | inline void |
1393 | void inline_speed |
1369 | ev_clear_pending (EV_P_ W w) |
1394 | ev_clear_pending (EV_P_ W w) |
1370 | { |
1395 | { |
1371 | if (w->pending) |
1396 | if (w->pending) |
1372 | { |
1397 | { |
1373 | pendings [ABSPRI (w)][w->pending - 1].w = 0; |
1398 | pendings [ABSPRI (w)][w->pending - 1].w = 0; |
1374 | w->pending = 0; |
1399 | w->pending = 0; |
1375 | } |
1400 | } |
1376 | } |
1401 | } |
1377 | |
1402 | |
1378 | inline void |
1403 | void inline_speed |
1379 | ev_start (EV_P_ W w, int active) |
1404 | ev_start (EV_P_ W w, int active) |
1380 | { |
1405 | { |
1381 | if (w->priority < EV_MINPRI) w->priority = EV_MINPRI; |
1406 | if (w->priority < EV_MINPRI) w->priority = EV_MINPRI; |
1382 | if (w->priority > EV_MAXPRI) w->priority = EV_MAXPRI; |
1407 | if (w->priority > EV_MAXPRI) w->priority = EV_MAXPRI; |
1383 | |
1408 | |
1384 | w->active = active; |
1409 | w->active = active; |
1385 | ev_ref (EV_A); |
1410 | ev_ref (EV_A); |
1386 | } |
1411 | } |
1387 | |
1412 | |
1388 | inline void |
1413 | void inline_size |
1389 | ev_stop (EV_P_ W w) |
1414 | ev_stop (EV_P_ W w) |
1390 | { |
1415 | { |
1391 | ev_unref (EV_A); |
1416 | ev_unref (EV_A); |
1392 | w->active = 0; |
1417 | w->active = 0; |
1393 | } |
1418 | } |
… | |
… | |
1482 | w->at = w->repeat; |
1507 | w->at = w->repeat; |
1483 | ev_timer_start (EV_A_ w); |
1508 | ev_timer_start (EV_A_ w); |
1484 | } |
1509 | } |
1485 | } |
1510 | } |
1486 | |
1511 | |
1487 | #if EV_PERIODICS |
1512 | #if EV_PERIODIC_ENABLE |
1488 | void |
1513 | void |
1489 | ev_periodic_start (EV_P_ ev_periodic *w) |
1514 | ev_periodic_start (EV_P_ ev_periodic *w) |
1490 | { |
1515 | { |
1491 | if (expect_false (ev_is_active (w))) |
1516 | if (expect_false (ev_is_active (w))) |
1492 | return; |
1517 | return; |
… | |
… | |
1551 | { |
1576 | { |
1552 | ev_clear_pending (EV_A_ (W)w); |
1577 | ev_clear_pending (EV_A_ (W)w); |
1553 | if (expect_false (!ev_is_active (w))) |
1578 | if (expect_false (!ev_is_active (w))) |
1554 | return; |
1579 | return; |
1555 | |
1580 | |
|
|
1581 | { |
|
|
1582 | int active = ((W)w)->active; |
1556 | idles [((W)w)->active - 1] = idles [--idlecnt]; |
1583 | idles [active - 1] = idles [--idlecnt]; |
|
|
1584 | ((W)idles [active - 1])->active = active; |
|
|
1585 | } |
|
|
1586 | |
1557 | ev_stop (EV_A_ (W)w); |
1587 | ev_stop (EV_A_ (W)w); |
1558 | } |
1588 | } |
1559 | |
1589 | |
1560 | void |
1590 | void |
1561 | ev_prepare_start (EV_P_ ev_prepare *w) |
1591 | ev_prepare_start (EV_P_ ev_prepare *w) |
… | |
… | |
1573 | { |
1603 | { |
1574 | ev_clear_pending (EV_A_ (W)w); |
1604 | ev_clear_pending (EV_A_ (W)w); |
1575 | if (expect_false (!ev_is_active (w))) |
1605 | if (expect_false (!ev_is_active (w))) |
1576 | return; |
1606 | return; |
1577 | |
1607 | |
|
|
1608 | { |
|
|
1609 | int active = ((W)w)->active; |
1578 | prepares [((W)w)->active - 1] = prepares [--preparecnt]; |
1610 | prepares [active - 1] = prepares [--preparecnt]; |
|
|
1611 | ((W)prepares [active - 1])->active = active; |
|
|
1612 | } |
|
|
1613 | |
1579 | ev_stop (EV_A_ (W)w); |
1614 | ev_stop (EV_A_ (W)w); |
1580 | } |
1615 | } |
1581 | |
1616 | |
1582 | void |
1617 | void |
1583 | ev_check_start (EV_P_ ev_check *w) |
1618 | ev_check_start (EV_P_ ev_check *w) |
… | |
… | |
1595 | { |
1630 | { |
1596 | ev_clear_pending (EV_A_ (W)w); |
1631 | ev_clear_pending (EV_A_ (W)w); |
1597 | if (expect_false (!ev_is_active (w))) |
1632 | if (expect_false (!ev_is_active (w))) |
1598 | return; |
1633 | return; |
1599 | |
1634 | |
|
|
1635 | { |
|
|
1636 | int active = ((W)w)->active; |
1600 | checks [((W)w)->active - 1] = checks [--checkcnt]; |
1637 | checks [active - 1] = checks [--checkcnt]; |
|
|
1638 | ((W)checks [active - 1])->active = active; |
|
|
1639 | } |
|
|
1640 | |
1601 | ev_stop (EV_A_ (W)w); |
1641 | ev_stop (EV_A_ (W)w); |
1602 | } |
1642 | } |
1603 | |
1643 | |
1604 | #ifndef SA_RESTART |
1644 | #ifndef SA_RESTART |
1605 | # define SA_RESTART 0 |
1645 | # define SA_RESTART 0 |
… | |
… | |
1670 | |
1710 | |
1671 | wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1711 | wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1672 | ev_stop (EV_A_ (W)w); |
1712 | ev_stop (EV_A_ (W)w); |
1673 | } |
1713 | } |
1674 | |
1714 | |
1675 | #if EV_MULTIPLICITY |
1715 | #if EV_EMBED_ENABLE |
1676 | void |
1716 | void noinline |
1677 | ev_embed_loop (EV_P_ ev_embed *w) |
1717 | ev_embed_sweep (EV_P_ ev_embed *w) |
1678 | { |
1718 | { |
1679 | ev_loop (w->loop, EVLOOP_NONBLOCK); |
1719 | ev_loop (w->loop, EVLOOP_NONBLOCK); |
1680 | } |
1720 | } |
1681 | |
1721 | |
1682 | static void |
1722 | static void |
… | |
… | |
1685 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
1725 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
1686 | |
1726 | |
1687 | if (ev_cb (w)) |
1727 | if (ev_cb (w)) |
1688 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
1728 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
1689 | else |
1729 | else |
1690 | ev_embed_loop (loop, w); |
1730 | ev_embed_sweep (loop, w); |
1691 | } |
1731 | } |
1692 | |
1732 | |
1693 | void |
1733 | void |
1694 | ev_embed_start (EV_P_ ev_embed *w) |
1734 | ev_embed_start (EV_P_ ev_embed *w) |
1695 | { |
1735 | { |
… | |
… | |
1702 | ev_io_init (&w->io, embed_cb, backend_fd, EV_READ); |
1742 | ev_io_init (&w->io, embed_cb, backend_fd, EV_READ); |
1703 | } |
1743 | } |
1704 | |
1744 | |
1705 | ev_set_priority (&w->io, ev_priority (w)); |
1745 | ev_set_priority (&w->io, ev_priority (w)); |
1706 | ev_io_start (EV_A_ &w->io); |
1746 | ev_io_start (EV_A_ &w->io); |
|
|
1747 | |
1707 | ev_start (EV_A_ (W)w, 1); |
1748 | ev_start (EV_A_ (W)w, 1); |
1708 | } |
1749 | } |
1709 | |
1750 | |
1710 | void |
1751 | void |
1711 | ev_embed_stop (EV_P_ ev_embed *w) |
1752 | ev_embed_stop (EV_P_ ev_embed *w) |
… | |
… | |
1713 | ev_clear_pending (EV_A_ (W)w); |
1754 | ev_clear_pending (EV_A_ (W)w); |
1714 | if (expect_false (!ev_is_active (w))) |
1755 | if (expect_false (!ev_is_active (w))) |
1715 | return; |
1756 | return; |
1716 | |
1757 | |
1717 | ev_io_stop (EV_A_ &w->io); |
1758 | ev_io_stop (EV_A_ &w->io); |
|
|
1759 | |
|
|
1760 | ev_stop (EV_A_ (W)w); |
|
|
1761 | } |
|
|
1762 | #endif |
|
|
1763 | |
|
|
1764 | #if EV_STAT_ENABLE |
|
|
1765 | |
|
|
1766 | # ifdef _WIN32 |
|
|
1767 | # define lstat(a,b) stat(a,b) |
|
|
1768 | # endif |
|
|
1769 | |
|
|
1770 | #define DEF_STAT_INTERVAL 5.0074891 |
|
|
1771 | #define MIN_STAT_INTERVAL 0.1074891 |
|
|
1772 | |
|
|
1773 | void |
|
|
1774 | ev_stat_stat (EV_P_ ev_stat *w) |
|
|
1775 | { |
|
|
1776 | if (lstat (w->path, &w->attr) < 0) |
|
|
1777 | w->attr.st_nlink = 0; |
|
|
1778 | else if (!w->attr.st_nlink) |
|
|
1779 | w->attr.st_nlink = 1; |
|
|
1780 | } |
|
|
1781 | |
|
|
1782 | static void |
|
|
1783 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
|
|
1784 | { |
|
|
1785 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
|
|
1786 | |
|
|
1787 | /* we copy this here each the time so that */ |
|
|
1788 | /* prev has the old value when the callback gets invoked */ |
|
|
1789 | w->prev = w->attr; |
|
|
1790 | ev_stat_stat (EV_A_ w); |
|
|
1791 | |
|
|
1792 | if (memcmp (&w->prev, &w->attr, sizeof (ev_statdata))) |
|
|
1793 | ev_feed_event (EV_A_ w, EV_STAT); |
|
|
1794 | } |
|
|
1795 | |
|
|
1796 | void |
|
|
1797 | ev_stat_start (EV_P_ ev_stat *w) |
|
|
1798 | { |
|
|
1799 | if (expect_false (ev_is_active (w))) |
|
|
1800 | return; |
|
|
1801 | |
|
|
1802 | /* since we use memcmp, we need to clear any padding data etc. */ |
|
|
1803 | memset (&w->prev, 0, sizeof (ev_statdata)); |
|
|
1804 | memset (&w->attr, 0, sizeof (ev_statdata)); |
|
|
1805 | |
|
|
1806 | ev_stat_stat (EV_A_ w); |
|
|
1807 | |
|
|
1808 | if (w->interval < MIN_STAT_INTERVAL) |
|
|
1809 | w->interval = w->interval ? MIN_STAT_INTERVAL : DEF_STAT_INTERVAL; |
|
|
1810 | |
|
|
1811 | ev_timer_init (&w->timer, stat_timer_cb, w->interval, w->interval); |
|
|
1812 | ev_set_priority (&w->timer, ev_priority (w)); |
|
|
1813 | ev_timer_start (EV_A_ &w->timer); |
|
|
1814 | |
|
|
1815 | ev_start (EV_A_ (W)w, 1); |
|
|
1816 | } |
|
|
1817 | |
|
|
1818 | void |
|
|
1819 | ev_stat_stop (EV_P_ ev_stat *w) |
|
|
1820 | { |
|
|
1821 | ev_clear_pending (EV_A_ (W)w); |
|
|
1822 | if (expect_false (!ev_is_active (w))) |
|
|
1823 | return; |
|
|
1824 | |
|
|
1825 | ev_timer_stop (EV_A_ &w->timer); |
|
|
1826 | |
1718 | ev_stop (EV_A_ (W)w); |
1827 | ev_stop (EV_A_ (W)w); |
1719 | } |
1828 | } |
1720 | #endif |
1829 | #endif |
1721 | |
1830 | |
1722 | /*****************************************************************************/ |
1831 | /*****************************************************************************/ |