… | |
… | |
202 | #ifndef CLOCK_REALTIME |
202 | #ifndef CLOCK_REALTIME |
203 | # undef EV_USE_REALTIME |
203 | # undef EV_USE_REALTIME |
204 | # define EV_USE_REALTIME 0 |
204 | # define EV_USE_REALTIME 0 |
205 | #endif |
205 | #endif |
206 | |
206 | |
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207 | #if !EV_STAT_ENABLE |
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208 | # undef EV_USE_INOTIFY |
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209 | # define EV_USE_INOTIFY 0 |
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210 | #endif |
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211 | |
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212 | #if EV_USE_INOTIFY |
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213 | # include <sys/inotify.h> |
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214 | #endif |
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215 | |
207 | #if EV_SELECT_IS_WINSOCKET |
216 | #if EV_SELECT_IS_WINSOCKET |
208 | # include <winsock.h> |
217 | # include <winsock.h> |
209 | #endif |
218 | #endif |
210 | |
219 | |
211 | #if !EV_STAT_ENABLE |
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212 | # define EV_USE_INOTIFY 0 |
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213 | #endif |
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214 | |
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215 | #if EV_USE_INOTIFY |
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216 | # include <sys/inotify.h> |
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217 | #endif |
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218 | |
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219 | /**/ |
220 | /**/ |
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221 | |
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222 | /* |
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223 | * This is used to avoid floating point rounding problems. |
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224 | * It is added to ev_rt_now when scheduling periodics |
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225 | * to ensure progress, time-wise, even when rounding |
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226 | * errors are against us. |
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227 | * This value is good at least till the year 4000. |
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228 | * Better solutions welcome. |
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229 | */ |
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230 | #define TIME_EPSILON 0.0001220703125 /* 1/8192 */ |
220 | |
231 | |
221 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
232 | #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) */ |
233 | #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 */ |
234 | /*#define CLEANUP_INTERVAL (MAX_BLOCKTIME * 5.) /* how often to try to free memory and re-check fds, TODO */ |
224 | |
235 | |
225 | #if __GNUC__ >= 3 |
236 | #if __GNUC__ >= 4 |
226 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
237 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
227 | # define inline_size static inline /* inline for codesize */ |
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228 | # if EV_MINIMAL |
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229 | # define noinline __attribute__ ((noinline)) |
238 | # define noinline __attribute__ ((noinline)) |
230 | # define inline_speed static noinline |
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231 | # else |
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232 | # define noinline |
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233 | # define inline_speed static inline |
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234 | # endif |
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235 | #else |
239 | #else |
236 | # define expect(expr,value) (expr) |
240 | # define expect(expr,value) (expr) |
237 | # define inline_speed static |
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238 | # define inline_size static |
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239 | # define noinline |
241 | # define noinline |
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242 | # if __STDC_VERSION__ < 199901L |
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243 | # define inline |
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244 | # endif |
240 | #endif |
245 | #endif |
241 | |
246 | |
242 | #define expect_false(expr) expect ((expr) != 0, 0) |
247 | #define expect_false(expr) expect ((expr) != 0, 0) |
243 | #define expect_true(expr) expect ((expr) != 0, 1) |
248 | #define expect_true(expr) expect ((expr) != 0, 1) |
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249 | #define inline_size static inline |
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250 | |
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251 | #if EV_MINIMAL |
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252 | # define inline_speed static noinline |
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253 | #else |
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254 | # define inline_speed static inline |
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255 | #endif |
244 | |
256 | |
245 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
257 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
246 | #define ABSPRI(w) ((w)->priority - EV_MINPRI) |
258 | #define ABSPRI(w) (((W)w)->priority - EV_MINPRI) |
247 | |
259 | |
248 | #define EMPTY0 /* required for microsofts broken pseudo-c compiler */ |
260 | #define EMPTY /* required for microsofts broken pseudo-c compiler */ |
249 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
261 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
250 | |
262 | |
251 | typedef ev_watcher *W; |
263 | typedef ev_watcher *W; |
252 | typedef ev_watcher_list *WL; |
264 | typedef ev_watcher_list *WL; |
253 | typedef ev_watcher_time *WT; |
265 | typedef ev_watcher_time *WT; |
… | |
… | |
417 | } |
429 | } |
418 | |
430 | |
419 | return ncur; |
431 | return ncur; |
420 | } |
432 | } |
421 | |
433 | |
422 | inline_speed void * |
434 | static noinline void * |
423 | array_realloc (int elem, void *base, int *cur, int cnt) |
435 | array_realloc (int elem, void *base, int *cur, int cnt) |
424 | { |
436 | { |
425 | *cur = array_nextsize (elem, *cur, cnt); |
437 | *cur = array_nextsize (elem, *cur, cnt); |
426 | return ev_realloc (base, elem * *cur); |
438 | return ev_realloc (base, elem * *cur); |
427 | } |
439 | } |
… | |
… | |
452 | |
464 | |
453 | void noinline |
465 | void noinline |
454 | ev_feed_event (EV_P_ void *w, int revents) |
466 | ev_feed_event (EV_P_ void *w, int revents) |
455 | { |
467 | { |
456 | W w_ = (W)w; |
468 | W w_ = (W)w; |
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|
469 | int pri = ABSPRI (w_); |
457 | |
470 | |
458 | if (expect_false (w_->pending)) |
471 | if (expect_false (w_->pending)) |
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472 | pendings [pri][w_->pending - 1].events |= revents; |
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473 | else |
459 | { |
474 | { |
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475 | w_->pending = ++pendingcnt [pri]; |
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476 | array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2); |
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477 | pendings [pri][w_->pending - 1].w = w_; |
460 | pendings [ABSPRI (w_)][w_->pending - 1].events |= revents; |
478 | pendings [pri][w_->pending - 1].events = revents; |
461 | return; |
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|
462 | } |
479 | } |
463 | |
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464 | w_->pending = ++pendingcnt [ABSPRI (w_)]; |
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465 | array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], EMPTY2); |
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466 | pendings [ABSPRI (w_)][w_->pending - 1].w = w_; |
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467 | pendings [ABSPRI (w_)][w_->pending - 1].events = revents; |
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468 | } |
480 | } |
469 | |
481 | |
470 | void inline_size |
482 | void inline_speed |
471 | queue_events (EV_P_ W *events, int eventcnt, int type) |
483 | queue_events (EV_P_ W *events, int eventcnt, int type) |
472 | { |
484 | { |
473 | int i; |
485 | int i; |
474 | |
486 | |
475 | for (i = 0; i < eventcnt; ++i) |
487 | for (i = 0; i < eventcnt; ++i) |
… | |
… | |
507 | } |
519 | } |
508 | |
520 | |
509 | void |
521 | void |
510 | ev_feed_fd_event (EV_P_ int fd, int revents) |
522 | ev_feed_fd_event (EV_P_ int fd, int revents) |
511 | { |
523 | { |
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|
524 | if (fd >= 0 && fd < anfdmax) |
512 | fd_event (EV_A_ fd, revents); |
525 | fd_event (EV_A_ fd, revents); |
513 | } |
526 | } |
514 | |
527 | |
515 | void inline_size |
528 | void inline_size |
516 | fd_reify (EV_P) |
529 | fd_reify (EV_P) |
517 | { |
530 | { |
… | |
… | |
521 | { |
534 | { |
522 | int fd = fdchanges [i]; |
535 | int fd = fdchanges [i]; |
523 | ANFD *anfd = anfds + fd; |
536 | ANFD *anfd = anfds + fd; |
524 | ev_io *w; |
537 | ev_io *w; |
525 | |
538 | |
526 | int events = 0; |
539 | unsigned char events = 0; |
527 | |
540 | |
528 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
541 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
529 | events |= w->events; |
542 | events |= (unsigned char)w->events; |
530 | |
543 | |
531 | #if EV_SELECT_IS_WINSOCKET |
544 | #if EV_SELECT_IS_WINSOCKET |
532 | if (events) |
545 | if (events) |
533 | { |
546 | { |
534 | unsigned long argp; |
547 | unsigned long argp; |
535 | anfd->handle = _get_osfhandle (fd); |
548 | anfd->handle = _get_osfhandle (fd); |
536 | assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0)); |
549 | assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0)); |
537 | } |
550 | } |
538 | #endif |
551 | #endif |
539 | |
552 | |
|
|
553 | { |
|
|
554 | unsigned char o_events = anfd->events; |
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555 | unsigned char o_reify = anfd->reify; |
|
|
556 | |
540 | anfd->reify = 0; |
557 | anfd->reify = 0; |
541 | |
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|
542 | backend_modify (EV_A_ fd, anfd->events, events); |
|
|
543 | anfd->events = events; |
558 | anfd->events = events; |
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|
559 | |
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|
560 | if (o_events != events || o_reify & EV_IOFDSET) |
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|
561 | backend_modify (EV_A_ fd, o_events, events); |
|
|
562 | } |
544 | } |
563 | } |
545 | |
564 | |
546 | fdchangecnt = 0; |
565 | fdchangecnt = 0; |
547 | } |
566 | } |
548 | |
567 | |
549 | void inline_size |
568 | void inline_size |
550 | fd_change (EV_P_ int fd) |
569 | fd_change (EV_P_ int fd, int flags) |
551 | { |
570 | { |
552 | if (expect_false (anfds [fd].reify)) |
571 | unsigned char reify = anfds [fd].reify; |
553 | return; |
|
|
554 | |
|
|
555 | anfds [fd].reify = 1; |
572 | anfds [fd].reify |= flags; |
556 | |
573 | |
|
|
574 | if (expect_true (!reify)) |
|
|
575 | { |
557 | ++fdchangecnt; |
576 | ++fdchangecnt; |
558 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
577 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
559 | fdchanges [fdchangecnt - 1] = fd; |
578 | fdchanges [fdchangecnt - 1] = fd; |
|
|
579 | } |
560 | } |
580 | } |
561 | |
581 | |
562 | void inline_speed |
582 | void inline_speed |
563 | fd_kill (EV_P_ int fd) |
583 | fd_kill (EV_P_ int fd) |
564 | { |
584 | { |
… | |
… | |
615 | |
635 | |
616 | for (fd = 0; fd < anfdmax; ++fd) |
636 | for (fd = 0; fd < anfdmax; ++fd) |
617 | if (anfds [fd].events) |
637 | if (anfds [fd].events) |
618 | { |
638 | { |
619 | anfds [fd].events = 0; |
639 | anfds [fd].events = 0; |
620 | fd_change (EV_A_ fd); |
640 | fd_change (EV_A_ fd, EV_IOFDSET | 1); |
621 | } |
641 | } |
622 | } |
642 | } |
623 | |
643 | |
624 | /*****************************************************************************/ |
644 | /*****************************************************************************/ |
625 | |
645 | |
626 | void inline_speed |
646 | void inline_speed |
627 | upheap (WT *heap, int k) |
647 | upheap (WT *heap, int k) |
628 | { |
648 | { |
629 | WT w = heap [k]; |
649 | WT w = heap [k]; |
630 | |
650 | |
631 | while (k && heap [k >> 1]->at > w->at) |
651 | while (k) |
632 | { |
652 | { |
|
|
653 | int p = (k - 1) >> 1; |
|
|
654 | |
|
|
655 | if (heap [p]->at <= w->at) |
|
|
656 | break; |
|
|
657 | |
633 | heap [k] = heap [k >> 1]; |
658 | heap [k] = heap [p]; |
634 | ((W)heap [k])->active = k + 1; |
659 | ((W)heap [k])->active = k + 1; |
635 | k >>= 1; |
660 | k = p; |
636 | } |
661 | } |
637 | |
662 | |
638 | heap [k] = w; |
663 | heap [k] = w; |
639 | ((W)heap [k])->active = k + 1; |
664 | ((W)heap [k])->active = k + 1; |
640 | |
|
|
641 | } |
665 | } |
642 | |
666 | |
643 | void inline_speed |
667 | void inline_speed |
644 | downheap (WT *heap, int N, int k) |
668 | downheap (WT *heap, int N, int k) |
645 | { |
669 | { |
646 | WT w = heap [k]; |
670 | WT w = heap [k]; |
647 | |
671 | |
648 | while (k < (N >> 1)) |
672 | for (;;) |
649 | { |
673 | { |
650 | int j = k << 1; |
674 | int c = (k << 1) + 1; |
651 | |
675 | |
652 | if (j + 1 < N && heap [j]->at > heap [j + 1]->at) |
676 | if (c >= N) |
653 | ++j; |
|
|
654 | |
|
|
655 | if (w->at <= heap [j]->at) |
|
|
656 | break; |
677 | break; |
657 | |
678 | |
|
|
679 | c += c + 1 < N && heap [c]->at > heap [c + 1]->at |
|
|
680 | ? 1 : 0; |
|
|
681 | |
|
|
682 | if (w->at <= heap [c]->at) |
|
|
683 | break; |
|
|
684 | |
658 | heap [k] = heap [j]; |
685 | heap [k] = heap [c]; |
659 | ((W)heap [k])->active = k + 1; |
686 | ((W)heap [k])->active = k + 1; |
|
|
687 | |
660 | k = j; |
688 | k = c; |
661 | } |
689 | } |
662 | |
690 | |
663 | heap [k] = w; |
691 | heap [k] = w; |
664 | ((W)heap [k])->active = k + 1; |
692 | ((W)heap [k])->active = k + 1; |
665 | } |
693 | } |
… | |
… | |
747 | for (signum = signalmax; signum--; ) |
775 | for (signum = signalmax; signum--; ) |
748 | if (signals [signum].gotsig) |
776 | if (signals [signum].gotsig) |
749 | ev_feed_signal_event (EV_A_ signum + 1); |
777 | ev_feed_signal_event (EV_A_ signum + 1); |
750 | } |
778 | } |
751 | |
779 | |
752 | void inline_size |
780 | void inline_speed |
753 | fd_intern (int fd) |
781 | fd_intern (int fd) |
754 | { |
782 | { |
755 | #ifdef _WIN32 |
783 | #ifdef _WIN32 |
756 | int arg = 1; |
784 | int arg = 1; |
757 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
785 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
… | |
… | |
772 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
800 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
773 | } |
801 | } |
774 | |
802 | |
775 | /*****************************************************************************/ |
803 | /*****************************************************************************/ |
776 | |
804 | |
777 | static ev_child *childs [EV_PID_HASHSIZE]; |
805 | static WL childs [EV_PID_HASHSIZE]; |
778 | |
806 | |
779 | #ifndef _WIN32 |
807 | #ifndef _WIN32 |
780 | |
808 | |
781 | static ev_signal childev; |
809 | static ev_signal childev; |
782 | |
810 | |
… | |
… | |
786 | ev_child *w; |
814 | ev_child *w; |
787 | |
815 | |
788 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
816 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
789 | if (w->pid == pid || !w->pid) |
817 | if (w->pid == pid || !w->pid) |
790 | { |
818 | { |
791 | ev_priority (w) = ev_priority (sw); /* need to do it *now* */ |
819 | ev_set_priority (w, ev_priority (sw)); /* need to do it *now* */ |
792 | w->rpid = pid; |
820 | w->rpid = pid; |
793 | w->rstatus = status; |
821 | w->rstatus = status; |
794 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
822 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
795 | } |
823 | } |
796 | } |
824 | } |
797 | |
825 | |
798 | #ifndef WCONTINUED |
826 | #ifndef WCONTINUED |
… | |
… | |
897 | } |
925 | } |
898 | |
926 | |
899 | unsigned int |
927 | unsigned int |
900 | ev_embeddable_backends (void) |
928 | ev_embeddable_backends (void) |
901 | { |
929 | { |
|
|
930 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
902 | return EVBACKEND_EPOLL |
931 | return EVBACKEND_KQUEUE |
903 | | EVBACKEND_KQUEUE |
|
|
904 | | EVBACKEND_PORT; |
932 | | EVBACKEND_PORT; |
905 | } |
933 | } |
906 | |
934 | |
907 | unsigned int |
935 | unsigned int |
908 | ev_backend (EV_P) |
936 | ev_backend (EV_P) |
… | |
… | |
1003 | #if EV_USE_SELECT |
1031 | #if EV_USE_SELECT |
1004 | if (backend == EVBACKEND_SELECT) select_destroy (EV_A); |
1032 | if (backend == EVBACKEND_SELECT) select_destroy (EV_A); |
1005 | #endif |
1033 | #endif |
1006 | |
1034 | |
1007 | for (i = NUMPRI; i--; ) |
1035 | for (i = NUMPRI; i--; ) |
|
|
1036 | { |
1008 | array_free (pending, [i]); |
1037 | array_free (pending, [i]); |
|
|
1038 | #if EV_IDLE_ENABLE |
|
|
1039 | array_free (idle, [i]); |
|
|
1040 | #endif |
|
|
1041 | } |
|
|
1042 | |
|
|
1043 | ev_free (anfds); anfdmax = 0; |
1009 | |
1044 | |
1010 | /* have to use the microsoft-never-gets-it-right macro */ |
1045 | /* have to use the microsoft-never-gets-it-right macro */ |
1011 | array_free (fdchange, EMPTY0); |
1046 | array_free (fdchange, EMPTY); |
1012 | array_free (timer, EMPTY0); |
1047 | array_free (timer, EMPTY); |
1013 | #if EV_PERIODIC_ENABLE |
1048 | #if EV_PERIODIC_ENABLE |
1014 | array_free (periodic, EMPTY0); |
1049 | array_free (periodic, EMPTY); |
1015 | #endif |
1050 | #endif |
|
|
1051 | #if EV_FORK_ENABLE |
1016 | array_free (idle, EMPTY0); |
1052 | array_free (fork, EMPTY); |
|
|
1053 | #endif |
1017 | array_free (prepare, EMPTY0); |
1054 | array_free (prepare, EMPTY); |
1018 | array_free (check, EMPTY0); |
1055 | array_free (check, EMPTY); |
1019 | |
1056 | |
1020 | backend = 0; |
1057 | backend = 0; |
1021 | } |
1058 | } |
1022 | |
1059 | |
1023 | void inline_size infy_fork (EV_P); |
1060 | void inline_size infy_fork (EV_P); |
… | |
… | |
1159 | postfork = 1; |
1196 | postfork = 1; |
1160 | } |
1197 | } |
1161 | |
1198 | |
1162 | /*****************************************************************************/ |
1199 | /*****************************************************************************/ |
1163 | |
1200 | |
1164 | int inline_size |
1201 | void |
1165 | any_pending (EV_P) |
1202 | ev_invoke (EV_P_ void *w, int revents) |
1166 | { |
1203 | { |
1167 | int pri; |
1204 | EV_CB_INVOKE ((W)w, revents); |
1168 | |
|
|
1169 | for (pri = NUMPRI; pri--; ) |
|
|
1170 | if (pendingcnt [pri]) |
|
|
1171 | return 1; |
|
|
1172 | |
|
|
1173 | return 0; |
|
|
1174 | } |
1205 | } |
1175 | |
1206 | |
1176 | void inline_speed |
1207 | void inline_speed |
1177 | call_pending (EV_P) |
1208 | call_pending (EV_P) |
1178 | { |
1209 | { |
… | |
… | |
1196 | void inline_size |
1227 | void inline_size |
1197 | timers_reify (EV_P) |
1228 | timers_reify (EV_P) |
1198 | { |
1229 | { |
1199 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
1230 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
1200 | { |
1231 | { |
1201 | ev_timer *w = timers [0]; |
1232 | ev_timer *w = (ev_timer *)timers [0]; |
1202 | |
1233 | |
1203 | /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/ |
1234 | /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/ |
1204 | |
1235 | |
1205 | /* first reschedule or stop timer */ |
1236 | /* first reschedule or stop timer */ |
1206 | if (w->repeat) |
1237 | if (w->repeat) |
… | |
… | |
1209 | |
1240 | |
1210 | ((WT)w)->at += w->repeat; |
1241 | ((WT)w)->at += w->repeat; |
1211 | if (((WT)w)->at < mn_now) |
1242 | if (((WT)w)->at < mn_now) |
1212 | ((WT)w)->at = mn_now; |
1243 | ((WT)w)->at = mn_now; |
1213 | |
1244 | |
1214 | downheap ((WT *)timers, timercnt, 0); |
1245 | downheap (timers, timercnt, 0); |
1215 | } |
1246 | } |
1216 | else |
1247 | else |
1217 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1248 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1218 | |
1249 | |
1219 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
1250 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
… | |
… | |
1224 | void inline_size |
1255 | void inline_size |
1225 | periodics_reify (EV_P) |
1256 | periodics_reify (EV_P) |
1226 | { |
1257 | { |
1227 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
1258 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
1228 | { |
1259 | { |
1229 | ev_periodic *w = periodics [0]; |
1260 | ev_periodic *w = (ev_periodic *)periodics [0]; |
1230 | |
1261 | |
1231 | /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ |
1262 | /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ |
1232 | |
1263 | |
1233 | /* first reschedule or stop timer */ |
1264 | /* first reschedule or stop timer */ |
1234 | if (w->reschedule_cb) |
1265 | if (w->reschedule_cb) |
1235 | { |
1266 | { |
1236 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001); |
1267 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + TIME_EPSILON); |
1237 | assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now)); |
1268 | assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now)); |
1238 | downheap ((WT *)periodics, periodiccnt, 0); |
1269 | downheap (periodics, periodiccnt, 0); |
1239 | } |
1270 | } |
1240 | else if (w->interval) |
1271 | else if (w->interval) |
1241 | { |
1272 | { |
1242 | ((WT)w)->at += floor ((ev_rt_now - ((WT)w)->at) / w->interval + 1.) * w->interval; |
1273 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1274 | if (((WT)w)->at - ev_rt_now <= TIME_EPSILON) ((WT)w)->at += w->interval; |
1243 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now)); |
1275 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now)); |
1244 | downheap ((WT *)periodics, periodiccnt, 0); |
1276 | downheap (periodics, periodiccnt, 0); |
1245 | } |
1277 | } |
1246 | else |
1278 | else |
1247 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1279 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1248 | |
1280 | |
1249 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
1281 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
… | |
… | |
1256 | int i; |
1288 | int i; |
1257 | |
1289 | |
1258 | /* adjust periodics after time jump */ |
1290 | /* adjust periodics after time jump */ |
1259 | for (i = 0; i < periodiccnt; ++i) |
1291 | for (i = 0; i < periodiccnt; ++i) |
1260 | { |
1292 | { |
1261 | ev_periodic *w = periodics [i]; |
1293 | ev_periodic *w = (ev_periodic *)periodics [i]; |
1262 | |
1294 | |
1263 | if (w->reschedule_cb) |
1295 | if (w->reschedule_cb) |
1264 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1296 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1265 | else if (w->interval) |
1297 | else if (w->interval) |
1266 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1298 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
1267 | } |
1299 | } |
1268 | |
1300 | |
1269 | /* now rebuild the heap */ |
1301 | /* now rebuild the heap */ |
1270 | for (i = periodiccnt >> 1; i--; ) |
1302 | for (i = periodiccnt >> 1; i--; ) |
1271 | downheap ((WT *)periodics, periodiccnt, i); |
1303 | downheap (periodics, periodiccnt, i); |
1272 | } |
1304 | } |
1273 | #endif |
1305 | #endif |
1274 | |
1306 | |
|
|
1307 | #if EV_IDLE_ENABLE |
1275 | int inline_size |
1308 | void inline_size |
1276 | time_update_monotonic (EV_P) |
1309 | idle_reify (EV_P) |
1277 | { |
1310 | { |
|
|
1311 | if (expect_false (idleall)) |
|
|
1312 | { |
|
|
1313 | int pri; |
|
|
1314 | |
|
|
1315 | for (pri = NUMPRI; pri--; ) |
|
|
1316 | { |
|
|
1317 | if (pendingcnt [pri]) |
|
|
1318 | break; |
|
|
1319 | |
|
|
1320 | if (idlecnt [pri]) |
|
|
1321 | { |
|
|
1322 | queue_events (EV_A_ (W *)idles [pri], idlecnt [pri], EV_IDLE); |
|
|
1323 | break; |
|
|
1324 | } |
|
|
1325 | } |
|
|
1326 | } |
|
|
1327 | } |
|
|
1328 | #endif |
|
|
1329 | |
|
|
1330 | void inline_speed |
|
|
1331 | time_update (EV_P_ ev_tstamp max_block) |
|
|
1332 | { |
|
|
1333 | int i; |
|
|
1334 | |
|
|
1335 | #if EV_USE_MONOTONIC |
|
|
1336 | if (expect_true (have_monotonic)) |
|
|
1337 | { |
|
|
1338 | ev_tstamp odiff = rtmn_diff; |
|
|
1339 | |
1278 | mn_now = get_clock (); |
1340 | mn_now = get_clock (); |
1279 | |
1341 | |
|
|
1342 | /* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */ |
|
|
1343 | /* interpolate in the meantime */ |
1280 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
1344 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
1281 | { |
1345 | { |
1282 | ev_rt_now = rtmn_diff + mn_now; |
1346 | ev_rt_now = rtmn_diff + mn_now; |
1283 | return 0; |
1347 | return; |
1284 | } |
1348 | } |
1285 | else |
1349 | |
1286 | { |
|
|
1287 | now_floor = mn_now; |
1350 | now_floor = mn_now; |
1288 | ev_rt_now = ev_time (); |
1351 | ev_rt_now = ev_time (); |
1289 | return 1; |
|
|
1290 | } |
|
|
1291 | } |
|
|
1292 | |
1352 | |
1293 | void inline_size |
1353 | /* loop a few times, before making important decisions. |
1294 | time_update (EV_P) |
1354 | * on the choice of "4": one iteration isn't enough, |
1295 | { |
1355 | * in case we get preempted during the calls to |
1296 | int i; |
1356 | * ev_time and get_clock. a second call is almost guaranteed |
1297 | |
1357 | * to succeed in that case, though. and looping a few more times |
1298 | #if EV_USE_MONOTONIC |
1358 | * doesn't hurt either as we only do this on time-jumps or |
1299 | if (expect_true (have_monotonic)) |
1359 | * in the unlikely event of having been preempted here. |
1300 | { |
1360 | */ |
1301 | if (time_update_monotonic (EV_A)) |
1361 | for (i = 4; --i; ) |
1302 | { |
1362 | { |
1303 | ev_tstamp odiff = rtmn_diff; |
|
|
1304 | |
|
|
1305 | /* loop a few times, before making important decisions. |
|
|
1306 | * on the choice of "4": one iteration isn't enough, |
|
|
1307 | * in case we get preempted during the calls to |
|
|
1308 | * ev_time and get_clock. a second call is almost guaranteed |
|
|
1309 | * to succeed in that case, though. and looping a few more times |
|
|
1310 | * doesn't hurt either as we only do this on time-jumps or |
|
|
1311 | * in the unlikely event of having been preempted here. |
|
|
1312 | */ |
|
|
1313 | for (i = 4; --i; ) |
|
|
1314 | { |
|
|
1315 | rtmn_diff = ev_rt_now - mn_now; |
1363 | rtmn_diff = ev_rt_now - mn_now; |
1316 | |
1364 | |
1317 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
1365 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
1318 | return; /* all is well */ |
1366 | return; /* all is well */ |
1319 | |
1367 | |
1320 | ev_rt_now = ev_time (); |
1368 | ev_rt_now = ev_time (); |
1321 | mn_now = get_clock (); |
1369 | mn_now = get_clock (); |
1322 | now_floor = mn_now; |
1370 | now_floor = mn_now; |
1323 | } |
1371 | } |
1324 | |
1372 | |
1325 | # if EV_PERIODIC_ENABLE |
1373 | # if EV_PERIODIC_ENABLE |
1326 | periodics_reschedule (EV_A); |
1374 | periodics_reschedule (EV_A); |
1327 | # endif |
1375 | # endif |
1328 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
1376 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
1329 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
1377 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
1330 | } |
|
|
1331 | } |
1378 | } |
1332 | else |
1379 | else |
1333 | #endif |
1380 | #endif |
1334 | { |
1381 | { |
1335 | ev_rt_now = ev_time (); |
1382 | ev_rt_now = ev_time (); |
1336 | |
1383 | |
1337 | if (expect_false (mn_now > ev_rt_now || mn_now < ev_rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP)) |
1384 | if (expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP)) |
1338 | { |
1385 | { |
1339 | #if EV_PERIODIC_ENABLE |
1386 | #if EV_PERIODIC_ENABLE |
1340 | periodics_reschedule (EV_A); |
1387 | periodics_reschedule (EV_A); |
1341 | #endif |
1388 | #endif |
1342 | |
|
|
1343 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
1389 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
1344 | for (i = 0; i < timercnt; ++i) |
1390 | for (i = 0; i < timercnt; ++i) |
1345 | ((WT)timers [i])->at += ev_rt_now - mn_now; |
1391 | ((WT)timers [i])->at += ev_rt_now - mn_now; |
1346 | } |
1392 | } |
1347 | |
1393 | |
… | |
… | |
1391 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
1437 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
1392 | call_pending (EV_A); |
1438 | call_pending (EV_A); |
1393 | } |
1439 | } |
1394 | #endif |
1440 | #endif |
1395 | |
1441 | |
1396 | /* queue check watchers (and execute them) */ |
1442 | /* queue prepare watchers (and execute them) */ |
1397 | if (expect_false (preparecnt)) |
1443 | if (expect_false (preparecnt)) |
1398 | { |
1444 | { |
1399 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
1445 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
1400 | call_pending (EV_A); |
1446 | call_pending (EV_A); |
1401 | } |
1447 | } |
… | |
… | |
1412 | |
1458 | |
1413 | /* calculate blocking time */ |
1459 | /* calculate blocking time */ |
1414 | { |
1460 | { |
1415 | ev_tstamp block; |
1461 | ev_tstamp block; |
1416 | |
1462 | |
1417 | if (expect_false (flags & EVLOOP_NONBLOCK || idlecnt || !activecnt)) |
1463 | if (expect_false (flags & EVLOOP_NONBLOCK || idleall || !activecnt)) |
1418 | block = 0.; /* do not block at all */ |
1464 | block = 0.; /* do not block at all */ |
1419 | else |
1465 | else |
1420 | { |
1466 | { |
1421 | /* update time to cancel out callback processing overhead */ |
1467 | /* update time to cancel out callback processing overhead */ |
1422 | #if EV_USE_MONOTONIC |
|
|
1423 | if (expect_true (have_monotonic)) |
|
|
1424 | time_update_monotonic (EV_A); |
1468 | time_update (EV_A_ 1e100); |
1425 | else |
|
|
1426 | #endif |
|
|
1427 | { |
|
|
1428 | ev_rt_now = ev_time (); |
|
|
1429 | mn_now = ev_rt_now; |
|
|
1430 | } |
|
|
1431 | |
1469 | |
1432 | block = MAX_BLOCKTIME; |
1470 | block = MAX_BLOCKTIME; |
1433 | |
1471 | |
1434 | if (timercnt) |
1472 | if (timercnt) |
1435 | { |
1473 | { |
… | |
… | |
1448 | if (expect_false (block < 0.)) block = 0.; |
1486 | if (expect_false (block < 0.)) block = 0.; |
1449 | } |
1487 | } |
1450 | |
1488 | |
1451 | ++loop_count; |
1489 | ++loop_count; |
1452 | backend_poll (EV_A_ block); |
1490 | backend_poll (EV_A_ block); |
|
|
1491 | |
|
|
1492 | /* update ev_rt_now, do magic */ |
|
|
1493 | time_update (EV_A_ block); |
1453 | } |
1494 | } |
1454 | |
|
|
1455 | /* update ev_rt_now, do magic */ |
|
|
1456 | time_update (EV_A); |
|
|
1457 | |
1495 | |
1458 | /* queue pending timers and reschedule them */ |
1496 | /* queue pending timers and reschedule them */ |
1459 | timers_reify (EV_A); /* relative timers called last */ |
1497 | timers_reify (EV_A); /* relative timers called last */ |
1460 | #if EV_PERIODIC_ENABLE |
1498 | #if EV_PERIODIC_ENABLE |
1461 | periodics_reify (EV_A); /* absolute timers called first */ |
1499 | periodics_reify (EV_A); /* absolute timers called first */ |
1462 | #endif |
1500 | #endif |
1463 | |
1501 | |
|
|
1502 | #if EV_IDLE_ENABLE |
1464 | /* queue idle watchers unless other events are pending */ |
1503 | /* queue idle watchers unless other events are pending */ |
1465 | if (idlecnt && !any_pending (EV_A)) |
1504 | idle_reify (EV_A); |
1466 | queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE); |
1505 | #endif |
1467 | |
1506 | |
1468 | /* queue check watchers, to be executed first */ |
1507 | /* queue check watchers, to be executed first */ |
1469 | if (expect_false (checkcnt)) |
1508 | if (expect_false (checkcnt)) |
1470 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1509 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1471 | |
1510 | |
… | |
… | |
1507 | head = &(*head)->next; |
1546 | head = &(*head)->next; |
1508 | } |
1547 | } |
1509 | } |
1548 | } |
1510 | |
1549 | |
1511 | void inline_speed |
1550 | void inline_speed |
1512 | ev_clear_pending (EV_P_ W w) |
1551 | clear_pending (EV_P_ W w) |
1513 | { |
1552 | { |
1514 | if (w->pending) |
1553 | if (w->pending) |
1515 | { |
1554 | { |
1516 | pendings [ABSPRI (w)][w->pending - 1].w = 0; |
1555 | pendings [ABSPRI (w)][w->pending - 1].w = 0; |
1517 | w->pending = 0; |
1556 | w->pending = 0; |
1518 | } |
1557 | } |
1519 | } |
1558 | } |
1520 | |
1559 | |
|
|
1560 | int |
|
|
1561 | ev_clear_pending (EV_P_ void *w) |
|
|
1562 | { |
|
|
1563 | W w_ = (W)w; |
|
|
1564 | int pending = w_->pending; |
|
|
1565 | |
|
|
1566 | if (expect_true (pending)) |
|
|
1567 | { |
|
|
1568 | ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1; |
|
|
1569 | w_->pending = 0; |
|
|
1570 | p->w = 0; |
|
|
1571 | return p->events; |
|
|
1572 | } |
|
|
1573 | else |
|
|
1574 | return 0; |
|
|
1575 | } |
|
|
1576 | |
|
|
1577 | void inline_size |
|
|
1578 | pri_adjust (EV_P_ W w) |
|
|
1579 | { |
|
|
1580 | int pri = w->priority; |
|
|
1581 | pri = pri < EV_MINPRI ? EV_MINPRI : pri; |
|
|
1582 | pri = pri > EV_MAXPRI ? EV_MAXPRI : pri; |
|
|
1583 | w->priority = pri; |
|
|
1584 | } |
|
|
1585 | |
1521 | void inline_speed |
1586 | void inline_speed |
1522 | ev_start (EV_P_ W w, int active) |
1587 | ev_start (EV_P_ W w, int active) |
1523 | { |
1588 | { |
1524 | if (w->priority < EV_MINPRI) w->priority = EV_MINPRI; |
1589 | pri_adjust (EV_A_ w); |
1525 | if (w->priority > EV_MAXPRI) w->priority = EV_MAXPRI; |
|
|
1526 | |
|
|
1527 | w->active = active; |
1590 | w->active = active; |
1528 | ev_ref (EV_A); |
1591 | ev_ref (EV_A); |
1529 | } |
1592 | } |
1530 | |
1593 | |
1531 | void inline_size |
1594 | void inline_size |
… | |
… | |
1535 | w->active = 0; |
1598 | w->active = 0; |
1536 | } |
1599 | } |
1537 | |
1600 | |
1538 | /*****************************************************************************/ |
1601 | /*****************************************************************************/ |
1539 | |
1602 | |
1540 | void |
1603 | void noinline |
1541 | ev_io_start (EV_P_ ev_io *w) |
1604 | ev_io_start (EV_P_ ev_io *w) |
1542 | { |
1605 | { |
1543 | int fd = w->fd; |
1606 | int fd = w->fd; |
1544 | |
1607 | |
1545 | if (expect_false (ev_is_active (w))) |
1608 | if (expect_false (ev_is_active (w))) |
… | |
… | |
1547 | |
1610 | |
1548 | assert (("ev_io_start called with negative fd", fd >= 0)); |
1611 | assert (("ev_io_start called with negative fd", fd >= 0)); |
1549 | |
1612 | |
1550 | ev_start (EV_A_ (W)w, 1); |
1613 | ev_start (EV_A_ (W)w, 1); |
1551 | array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init); |
1614 | array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init); |
1552 | wlist_add ((WL *)&anfds[fd].head, (WL)w); |
1615 | wlist_add (&anfds[fd].head, (WL)w); |
1553 | |
1616 | |
1554 | fd_change (EV_A_ fd); |
1617 | fd_change (EV_A_ fd, w->events & EV_IOFDSET | 1); |
|
|
1618 | w->events &= ~EV_IOFDSET; |
1555 | } |
1619 | } |
1556 | |
1620 | |
1557 | void |
1621 | void noinline |
1558 | ev_io_stop (EV_P_ ev_io *w) |
1622 | ev_io_stop (EV_P_ ev_io *w) |
1559 | { |
1623 | { |
1560 | ev_clear_pending (EV_A_ (W)w); |
1624 | clear_pending (EV_A_ (W)w); |
1561 | if (expect_false (!ev_is_active (w))) |
1625 | if (expect_false (!ev_is_active (w))) |
1562 | return; |
1626 | return; |
1563 | |
1627 | |
1564 | assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
1628 | assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
1565 | |
1629 | |
1566 | wlist_del ((WL *)&anfds[w->fd].head, (WL)w); |
1630 | wlist_del (&anfds[w->fd].head, (WL)w); |
1567 | ev_stop (EV_A_ (W)w); |
1631 | ev_stop (EV_A_ (W)w); |
1568 | |
1632 | |
1569 | fd_change (EV_A_ w->fd); |
1633 | fd_change (EV_A_ w->fd, 1); |
1570 | } |
1634 | } |
1571 | |
1635 | |
1572 | void |
1636 | void noinline |
1573 | ev_timer_start (EV_P_ ev_timer *w) |
1637 | ev_timer_start (EV_P_ ev_timer *w) |
1574 | { |
1638 | { |
1575 | if (expect_false (ev_is_active (w))) |
1639 | if (expect_false (ev_is_active (w))) |
1576 | return; |
1640 | return; |
1577 | |
1641 | |
1578 | ((WT)w)->at += mn_now; |
1642 | ((WT)w)->at += mn_now; |
1579 | |
1643 | |
1580 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1644 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1581 | |
1645 | |
1582 | ev_start (EV_A_ (W)w, ++timercnt); |
1646 | ev_start (EV_A_ (W)w, ++timercnt); |
1583 | array_needsize (ev_timer *, timers, timermax, timercnt, EMPTY2); |
1647 | array_needsize (WT, timers, timermax, timercnt, EMPTY2); |
1584 | timers [timercnt - 1] = w; |
1648 | timers [timercnt - 1] = (WT)w; |
1585 | upheap ((WT *)timers, timercnt - 1); |
1649 | upheap (timers, timercnt - 1); |
1586 | |
1650 | |
1587 | /*assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));*/ |
1651 | /*assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));*/ |
1588 | } |
1652 | } |
1589 | |
1653 | |
1590 | void |
1654 | void noinline |
1591 | ev_timer_stop (EV_P_ ev_timer *w) |
1655 | ev_timer_stop (EV_P_ ev_timer *w) |
1592 | { |
1656 | { |
1593 | ev_clear_pending (EV_A_ (W)w); |
1657 | clear_pending (EV_A_ (W)w); |
1594 | if (expect_false (!ev_is_active (w))) |
1658 | if (expect_false (!ev_is_active (w))) |
1595 | return; |
1659 | return; |
1596 | |
1660 | |
1597 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1661 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == (WT)w)); |
1598 | |
1662 | |
1599 | { |
1663 | { |
1600 | int active = ((W)w)->active; |
1664 | int active = ((W)w)->active; |
1601 | |
1665 | |
1602 | if (expect_true (--active < --timercnt)) |
1666 | if (expect_true (--active < --timercnt)) |
1603 | { |
1667 | { |
1604 | timers [active] = timers [timercnt]; |
1668 | timers [active] = timers [timercnt]; |
1605 | adjustheap ((WT *)timers, timercnt, active); |
1669 | adjustheap (timers, timercnt, active); |
1606 | } |
1670 | } |
1607 | } |
1671 | } |
1608 | |
1672 | |
1609 | ((WT)w)->at -= mn_now; |
1673 | ((WT)w)->at -= mn_now; |
1610 | |
1674 | |
1611 | ev_stop (EV_A_ (W)w); |
1675 | ev_stop (EV_A_ (W)w); |
1612 | } |
1676 | } |
1613 | |
1677 | |
1614 | void |
1678 | void noinline |
1615 | ev_timer_again (EV_P_ ev_timer *w) |
1679 | ev_timer_again (EV_P_ ev_timer *w) |
1616 | { |
1680 | { |
1617 | if (ev_is_active (w)) |
1681 | if (ev_is_active (w)) |
1618 | { |
1682 | { |
1619 | if (w->repeat) |
1683 | if (w->repeat) |
1620 | { |
1684 | { |
1621 | ((WT)w)->at = mn_now + w->repeat; |
1685 | ((WT)w)->at = mn_now + w->repeat; |
1622 | adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1686 | adjustheap (timers, timercnt, ((W)w)->active - 1); |
1623 | } |
1687 | } |
1624 | else |
1688 | else |
1625 | ev_timer_stop (EV_A_ w); |
1689 | ev_timer_stop (EV_A_ w); |
1626 | } |
1690 | } |
1627 | else if (w->repeat) |
1691 | else if (w->repeat) |
… | |
… | |
1630 | ev_timer_start (EV_A_ w); |
1694 | ev_timer_start (EV_A_ w); |
1631 | } |
1695 | } |
1632 | } |
1696 | } |
1633 | |
1697 | |
1634 | #if EV_PERIODIC_ENABLE |
1698 | #if EV_PERIODIC_ENABLE |
1635 | void |
1699 | void noinline |
1636 | ev_periodic_start (EV_P_ ev_periodic *w) |
1700 | ev_periodic_start (EV_P_ ev_periodic *w) |
1637 | { |
1701 | { |
1638 | if (expect_false (ev_is_active (w))) |
1702 | if (expect_false (ev_is_active (w))) |
1639 | return; |
1703 | return; |
1640 | |
1704 | |
… | |
… | |
1642 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1706 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1643 | else if (w->interval) |
1707 | else if (w->interval) |
1644 | { |
1708 | { |
1645 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
1709 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
1646 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1710 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1647 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1711 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
1648 | } |
1712 | } |
|
|
1713 | else |
|
|
1714 | ((WT)w)->at = w->offset; |
1649 | |
1715 | |
1650 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1716 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1651 | array_needsize (ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2); |
1717 | array_needsize (WT, periodics, periodicmax, periodiccnt, EMPTY2); |
1652 | periodics [periodiccnt - 1] = w; |
1718 | periodics [periodiccnt - 1] = (WT)w; |
1653 | upheap ((WT *)periodics, periodiccnt - 1); |
1719 | upheap (periodics, periodiccnt - 1); |
1654 | |
1720 | |
1655 | /*assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));*/ |
1721 | /*assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));*/ |
1656 | } |
1722 | } |
1657 | |
1723 | |
1658 | void |
1724 | void noinline |
1659 | ev_periodic_stop (EV_P_ ev_periodic *w) |
1725 | ev_periodic_stop (EV_P_ ev_periodic *w) |
1660 | { |
1726 | { |
1661 | ev_clear_pending (EV_A_ (W)w); |
1727 | clear_pending (EV_A_ (W)w); |
1662 | if (expect_false (!ev_is_active (w))) |
1728 | if (expect_false (!ev_is_active (w))) |
1663 | return; |
1729 | return; |
1664 | |
1730 | |
1665 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1731 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == (WT)w)); |
1666 | |
1732 | |
1667 | { |
1733 | { |
1668 | int active = ((W)w)->active; |
1734 | int active = ((W)w)->active; |
1669 | |
1735 | |
1670 | if (expect_true (--active < --periodiccnt)) |
1736 | if (expect_true (--active < --periodiccnt)) |
1671 | { |
1737 | { |
1672 | periodics [active] = periodics [periodiccnt]; |
1738 | periodics [active] = periodics [periodiccnt]; |
1673 | adjustheap ((WT *)periodics, periodiccnt, active); |
1739 | adjustheap (periodics, periodiccnt, active); |
1674 | } |
1740 | } |
1675 | } |
1741 | } |
1676 | |
1742 | |
1677 | ev_stop (EV_A_ (W)w); |
1743 | ev_stop (EV_A_ (W)w); |
1678 | } |
1744 | } |
1679 | |
1745 | |
1680 | void |
1746 | void noinline |
1681 | ev_periodic_again (EV_P_ ev_periodic *w) |
1747 | ev_periodic_again (EV_P_ ev_periodic *w) |
1682 | { |
1748 | { |
1683 | /* TODO: use adjustheap and recalculation */ |
1749 | /* TODO: use adjustheap and recalculation */ |
1684 | ev_periodic_stop (EV_A_ w); |
1750 | ev_periodic_stop (EV_A_ w); |
1685 | ev_periodic_start (EV_A_ w); |
1751 | ev_periodic_start (EV_A_ w); |
… | |
… | |
1688 | |
1754 | |
1689 | #ifndef SA_RESTART |
1755 | #ifndef SA_RESTART |
1690 | # define SA_RESTART 0 |
1756 | # define SA_RESTART 0 |
1691 | #endif |
1757 | #endif |
1692 | |
1758 | |
1693 | void |
1759 | void noinline |
1694 | ev_signal_start (EV_P_ ev_signal *w) |
1760 | ev_signal_start (EV_P_ ev_signal *w) |
1695 | { |
1761 | { |
1696 | #if EV_MULTIPLICITY |
1762 | #if EV_MULTIPLICITY |
1697 | assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1763 | assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1698 | #endif |
1764 | #endif |
1699 | if (expect_false (ev_is_active (w))) |
1765 | if (expect_false (ev_is_active (w))) |
1700 | return; |
1766 | return; |
1701 | |
1767 | |
1702 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
1768 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
1703 | |
1769 | |
|
|
1770 | { |
|
|
1771 | #ifndef _WIN32 |
|
|
1772 | sigset_t full, prev; |
|
|
1773 | sigfillset (&full); |
|
|
1774 | sigprocmask (SIG_SETMASK, &full, &prev); |
|
|
1775 | #endif |
|
|
1776 | |
|
|
1777 | array_needsize (ANSIG, signals, signalmax, w->signum, signals_init); |
|
|
1778 | |
|
|
1779 | #ifndef _WIN32 |
|
|
1780 | sigprocmask (SIG_SETMASK, &prev, 0); |
|
|
1781 | #endif |
|
|
1782 | } |
|
|
1783 | |
1704 | ev_start (EV_A_ (W)w, 1); |
1784 | ev_start (EV_A_ (W)w, 1); |
1705 | array_needsize (ANSIG, signals, signalmax, w->signum, signals_init); |
|
|
1706 | wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w); |
1785 | wlist_add (&signals [w->signum - 1].head, (WL)w); |
1707 | |
1786 | |
1708 | if (!((WL)w)->next) |
1787 | if (!((WL)w)->next) |
1709 | { |
1788 | { |
1710 | #if _WIN32 |
1789 | #if _WIN32 |
1711 | signal (w->signum, sighandler); |
1790 | signal (w->signum, sighandler); |
… | |
… | |
1717 | sigaction (w->signum, &sa, 0); |
1796 | sigaction (w->signum, &sa, 0); |
1718 | #endif |
1797 | #endif |
1719 | } |
1798 | } |
1720 | } |
1799 | } |
1721 | |
1800 | |
1722 | void |
1801 | void noinline |
1723 | ev_signal_stop (EV_P_ ev_signal *w) |
1802 | ev_signal_stop (EV_P_ ev_signal *w) |
1724 | { |
1803 | { |
1725 | ev_clear_pending (EV_A_ (W)w); |
1804 | clear_pending (EV_A_ (W)w); |
1726 | if (expect_false (!ev_is_active (w))) |
1805 | if (expect_false (!ev_is_active (w))) |
1727 | return; |
1806 | return; |
1728 | |
1807 | |
1729 | wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w); |
1808 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
1730 | ev_stop (EV_A_ (W)w); |
1809 | ev_stop (EV_A_ (W)w); |
1731 | |
1810 | |
1732 | if (!signals [w->signum - 1].head) |
1811 | if (!signals [w->signum - 1].head) |
1733 | signal (w->signum, SIG_DFL); |
1812 | signal (w->signum, SIG_DFL); |
1734 | } |
1813 | } |
… | |
… | |
1741 | #endif |
1820 | #endif |
1742 | if (expect_false (ev_is_active (w))) |
1821 | if (expect_false (ev_is_active (w))) |
1743 | return; |
1822 | return; |
1744 | |
1823 | |
1745 | ev_start (EV_A_ (W)w, 1); |
1824 | ev_start (EV_A_ (W)w, 1); |
1746 | wlist_add ((WL *)&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
1825 | wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
1747 | } |
1826 | } |
1748 | |
1827 | |
1749 | void |
1828 | void |
1750 | ev_child_stop (EV_P_ ev_child *w) |
1829 | ev_child_stop (EV_P_ ev_child *w) |
1751 | { |
1830 | { |
1752 | ev_clear_pending (EV_A_ (W)w); |
1831 | clear_pending (EV_A_ (W)w); |
1753 | if (expect_false (!ev_is_active (w))) |
1832 | if (expect_false (!ev_is_active (w))) |
1754 | return; |
1833 | return; |
1755 | |
1834 | |
1756 | wlist_del ((WL *)&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
1835 | wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
1757 | ev_stop (EV_A_ (W)w); |
1836 | ev_stop (EV_A_ (W)w); |
1758 | } |
1837 | } |
1759 | |
1838 | |
1760 | #if EV_STAT_ENABLE |
1839 | #if EV_STAT_ENABLE |
1761 | |
1840 | |
… | |
… | |
1993 | } |
2072 | } |
1994 | |
2073 | |
1995 | void |
2074 | void |
1996 | ev_stat_stop (EV_P_ ev_stat *w) |
2075 | ev_stat_stop (EV_P_ ev_stat *w) |
1997 | { |
2076 | { |
1998 | ev_clear_pending (EV_A_ (W)w); |
2077 | clear_pending (EV_A_ (W)w); |
1999 | if (expect_false (!ev_is_active (w))) |
2078 | if (expect_false (!ev_is_active (w))) |
2000 | return; |
2079 | return; |
2001 | |
2080 | |
2002 | #if EV_USE_INOTIFY |
2081 | #if EV_USE_INOTIFY |
2003 | infy_del (EV_A_ w); |
2082 | infy_del (EV_A_ w); |
… | |
… | |
2006 | |
2085 | |
2007 | ev_stop (EV_A_ (W)w); |
2086 | ev_stop (EV_A_ (W)w); |
2008 | } |
2087 | } |
2009 | #endif |
2088 | #endif |
2010 | |
2089 | |
|
|
2090 | #if EV_IDLE_ENABLE |
2011 | void |
2091 | void |
2012 | ev_idle_start (EV_P_ ev_idle *w) |
2092 | ev_idle_start (EV_P_ ev_idle *w) |
2013 | { |
2093 | { |
2014 | if (expect_false (ev_is_active (w))) |
2094 | if (expect_false (ev_is_active (w))) |
2015 | return; |
2095 | return; |
2016 | |
2096 | |
|
|
2097 | pri_adjust (EV_A_ (W)w); |
|
|
2098 | |
|
|
2099 | { |
|
|
2100 | int active = ++idlecnt [ABSPRI (w)]; |
|
|
2101 | |
|
|
2102 | ++idleall; |
2017 | ev_start (EV_A_ (W)w, ++idlecnt); |
2103 | ev_start (EV_A_ (W)w, active); |
|
|
2104 | |
2018 | array_needsize (ev_idle *, idles, idlemax, idlecnt, EMPTY2); |
2105 | array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2); |
2019 | idles [idlecnt - 1] = w; |
2106 | idles [ABSPRI (w)][active - 1] = w; |
|
|
2107 | } |
2020 | } |
2108 | } |
2021 | |
2109 | |
2022 | void |
2110 | void |
2023 | ev_idle_stop (EV_P_ ev_idle *w) |
2111 | ev_idle_stop (EV_P_ ev_idle *w) |
2024 | { |
2112 | { |
2025 | ev_clear_pending (EV_A_ (W)w); |
2113 | clear_pending (EV_A_ (W)w); |
2026 | if (expect_false (!ev_is_active (w))) |
2114 | if (expect_false (!ev_is_active (w))) |
2027 | return; |
2115 | return; |
2028 | |
2116 | |
2029 | { |
2117 | { |
2030 | int active = ((W)w)->active; |
2118 | int active = ((W)w)->active; |
2031 | idles [active - 1] = idles [--idlecnt]; |
2119 | |
|
|
2120 | idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]]; |
2032 | ((W)idles [active - 1])->active = active; |
2121 | ((W)idles [ABSPRI (w)][active - 1])->active = active; |
|
|
2122 | |
|
|
2123 | ev_stop (EV_A_ (W)w); |
|
|
2124 | --idleall; |
2033 | } |
2125 | } |
2034 | |
|
|
2035 | ev_stop (EV_A_ (W)w); |
|
|
2036 | } |
2126 | } |
|
|
2127 | #endif |
2037 | |
2128 | |
2038 | void |
2129 | void |
2039 | ev_prepare_start (EV_P_ ev_prepare *w) |
2130 | ev_prepare_start (EV_P_ ev_prepare *w) |
2040 | { |
2131 | { |
2041 | if (expect_false (ev_is_active (w))) |
2132 | if (expect_false (ev_is_active (w))) |
… | |
… | |
2047 | } |
2138 | } |
2048 | |
2139 | |
2049 | void |
2140 | void |
2050 | ev_prepare_stop (EV_P_ ev_prepare *w) |
2141 | ev_prepare_stop (EV_P_ ev_prepare *w) |
2051 | { |
2142 | { |
2052 | ev_clear_pending (EV_A_ (W)w); |
2143 | clear_pending (EV_A_ (W)w); |
2053 | if (expect_false (!ev_is_active (w))) |
2144 | if (expect_false (!ev_is_active (w))) |
2054 | return; |
2145 | return; |
2055 | |
2146 | |
2056 | { |
2147 | { |
2057 | int active = ((W)w)->active; |
2148 | int active = ((W)w)->active; |
… | |
… | |
2074 | } |
2165 | } |
2075 | |
2166 | |
2076 | void |
2167 | void |
2077 | ev_check_stop (EV_P_ ev_check *w) |
2168 | ev_check_stop (EV_P_ ev_check *w) |
2078 | { |
2169 | { |
2079 | ev_clear_pending (EV_A_ (W)w); |
2170 | clear_pending (EV_A_ (W)w); |
2080 | if (expect_false (!ev_is_active (w))) |
2171 | if (expect_false (!ev_is_active (w))) |
2081 | return; |
2172 | return; |
2082 | |
2173 | |
2083 | { |
2174 | { |
2084 | int active = ((W)w)->active; |
2175 | int active = ((W)w)->active; |
… | |
… | |
2091 | |
2182 | |
2092 | #if EV_EMBED_ENABLE |
2183 | #if EV_EMBED_ENABLE |
2093 | void noinline |
2184 | void noinline |
2094 | ev_embed_sweep (EV_P_ ev_embed *w) |
2185 | ev_embed_sweep (EV_P_ ev_embed *w) |
2095 | { |
2186 | { |
2096 | ev_loop (w->loop, EVLOOP_NONBLOCK); |
2187 | ev_loop (w->other, EVLOOP_NONBLOCK); |
2097 | } |
2188 | } |
2098 | |
2189 | |
2099 | static void |
2190 | static void |
2100 | embed_cb (EV_P_ ev_io *io, int revents) |
2191 | embed_io_cb (EV_P_ ev_io *io, int revents) |
2101 | { |
2192 | { |
2102 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
2193 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
2103 | |
2194 | |
2104 | if (ev_cb (w)) |
2195 | if (ev_cb (w)) |
2105 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
2196 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
2106 | else |
2197 | else |
2107 | ev_embed_sweep (loop, w); |
2198 | ev_embed_sweep (loop, w); |
2108 | } |
2199 | } |
2109 | |
2200 | |
|
|
2201 | static void |
|
|
2202 | embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) |
|
|
2203 | { |
|
|
2204 | ev_embed *w = (ev_embed *)(((char *)prepare) - offsetof (ev_embed, prepare)); |
|
|
2205 | |
|
|
2206 | fd_reify (w->other); |
|
|
2207 | } |
|
|
2208 | |
2110 | void |
2209 | void |
2111 | ev_embed_start (EV_P_ ev_embed *w) |
2210 | ev_embed_start (EV_P_ ev_embed *w) |
2112 | { |
2211 | { |
2113 | if (expect_false (ev_is_active (w))) |
2212 | if (expect_false (ev_is_active (w))) |
2114 | return; |
2213 | return; |
2115 | |
2214 | |
2116 | { |
2215 | { |
2117 | struct ev_loop *loop = w->loop; |
2216 | struct ev_loop *loop = w->other; |
2118 | assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
2217 | assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
2119 | ev_io_init (&w->io, embed_cb, backend_fd, EV_READ); |
2218 | ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ); |
2120 | } |
2219 | } |
2121 | |
2220 | |
2122 | ev_set_priority (&w->io, ev_priority (w)); |
2221 | ev_set_priority (&w->io, ev_priority (w)); |
2123 | ev_io_start (EV_A_ &w->io); |
2222 | ev_io_start (EV_A_ &w->io); |
2124 | |
2223 | |
|
|
2224 | ev_prepare_init (&w->prepare, embed_prepare_cb); |
|
|
2225 | ev_set_priority (&w->prepare, EV_MINPRI); |
|
|
2226 | ev_prepare_start (EV_A_ &w->prepare); |
|
|
2227 | |
2125 | ev_start (EV_A_ (W)w, 1); |
2228 | ev_start (EV_A_ (W)w, 1); |
2126 | } |
2229 | } |
2127 | |
2230 | |
2128 | void |
2231 | void |
2129 | ev_embed_stop (EV_P_ ev_embed *w) |
2232 | ev_embed_stop (EV_P_ ev_embed *w) |
2130 | { |
2233 | { |
2131 | ev_clear_pending (EV_A_ (W)w); |
2234 | clear_pending (EV_A_ (W)w); |
2132 | if (expect_false (!ev_is_active (w))) |
2235 | if (expect_false (!ev_is_active (w))) |
2133 | return; |
2236 | return; |
2134 | |
2237 | |
2135 | ev_io_stop (EV_A_ &w->io); |
2238 | ev_io_stop (EV_A_ &w->io); |
|
|
2239 | ev_prepare_stop (EV_A_ &w->prepare); |
2136 | |
2240 | |
2137 | ev_stop (EV_A_ (W)w); |
2241 | ev_stop (EV_A_ (W)w); |
2138 | } |
2242 | } |
2139 | #endif |
2243 | #endif |
2140 | |
2244 | |
… | |
… | |
2151 | } |
2255 | } |
2152 | |
2256 | |
2153 | void |
2257 | void |
2154 | ev_fork_stop (EV_P_ ev_fork *w) |
2258 | ev_fork_stop (EV_P_ ev_fork *w) |
2155 | { |
2259 | { |
2156 | ev_clear_pending (EV_A_ (W)w); |
2260 | clear_pending (EV_A_ (W)w); |
2157 | if (expect_false (!ev_is_active (w))) |
2261 | if (expect_false (!ev_is_active (w))) |
2158 | return; |
2262 | return; |
2159 | |
2263 | |
2160 | { |
2264 | { |
2161 | int active = ((W)w)->active; |
2265 | int active = ((W)w)->active; |
… | |
… | |
2229 | ev_timer_set (&once->to, timeout, 0.); |
2333 | ev_timer_set (&once->to, timeout, 0.); |
2230 | ev_timer_start (EV_A_ &once->to); |
2334 | ev_timer_start (EV_A_ &once->to); |
2231 | } |
2335 | } |
2232 | } |
2336 | } |
2233 | |
2337 | |
|
|
2338 | #if EV_MULTIPLICITY |
|
|
2339 | #include "ev_wrap.h" |
|
|
2340 | #endif |
|
|
2341 | |
2234 | #ifdef __cplusplus |
2342 | #ifdef __cplusplus |
2235 | } |
2343 | } |
2236 | #endif |
2344 | #endif |
2237 | |
2345 | |