… | |
… | |
216 | # include <sys/inotify.h> |
216 | # include <sys/inotify.h> |
217 | #endif |
217 | #endif |
218 | |
218 | |
219 | /**/ |
219 | /**/ |
220 | |
220 | |
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221 | /* |
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222 | * This is used to avoid floating point rounding problems. |
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223 | * It is added to ev_rt_now when scheduling periodics |
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224 | * to ensure progress, time-wise, even when rounding |
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225 | * errors are against us. |
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226 | * This value is good at least till the year 4000. |
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227 | * Better solutions welcome. |
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228 | */ |
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229 | #define TIME_EPSILON 0.0001220703125 /* 1/8192 */ |
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230 | |
221 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
231 | #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) */ |
232 | #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 */ |
233 | /*#define CLEANUP_INTERVAL (MAX_BLOCKTIME * 5.) /* how often to try to free memory and re-check fds, TODO */ |
224 | |
234 | |
225 | #if __GNUC__ >= 3 |
235 | #if __GNUC__ >= 3 |
226 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
236 | # 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)) |
237 | # 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 |
238 | #else |
236 | # define expect(expr,value) (expr) |
239 | # 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 |
240 | # define noinline |
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241 | # if __STDC_VERSION__ < 199901L |
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242 | # define inline |
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243 | # endif |
240 | #endif |
244 | #endif |
241 | |
245 | |
242 | #define expect_false(expr) expect ((expr) != 0, 0) |
246 | #define expect_false(expr) expect ((expr) != 0, 0) |
243 | #define expect_true(expr) expect ((expr) != 0, 1) |
247 | #define expect_true(expr) expect ((expr) != 0, 1) |
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248 | #define inline_size static inline |
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249 | |
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250 | #if EV_MINIMAL |
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251 | # define inline_speed static noinline |
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252 | #else |
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253 | # define inline_speed static inline |
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254 | #endif |
244 | |
255 | |
245 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
256 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
246 | #define ABSPRI(w) ((w)->priority - EV_MINPRI) |
257 | #define ABSPRI(w) (((W)w)->priority - EV_MINPRI) |
247 | |
258 | |
248 | #define EMPTY0 /* required for microsofts broken pseudo-c compiler */ |
259 | #define EMPTY /* required for microsofts broken pseudo-c compiler */ |
249 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
260 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
250 | |
261 | |
251 | typedef ev_watcher *W; |
262 | typedef ev_watcher *W; |
252 | typedef ev_watcher_list *WL; |
263 | typedef ev_watcher_list *WL; |
253 | typedef ev_watcher_time *WT; |
264 | typedef ev_watcher_time *WT; |
… | |
… | |
396 | { |
407 | { |
397 | return ev_rt_now; |
408 | return ev_rt_now; |
398 | } |
409 | } |
399 | #endif |
410 | #endif |
400 | |
411 | |
401 | #define array_roundsize(type,n) (((n) | 4) & ~3) |
412 | int inline_size |
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413 | array_nextsize (int elem, int cur, int cnt) |
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414 | { |
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415 | int ncur = cur + 1; |
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416 | |
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417 | do |
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418 | ncur <<= 1; |
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419 | while (cnt > ncur); |
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420 | |
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421 | /* if size > 4096, round to 4096 - 4 * longs to accomodate malloc overhead */ |
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422 | if (elem * ncur > 4096) |
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423 | { |
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424 | ncur *= elem; |
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425 | ncur = (ncur + elem + 4095 + sizeof (void *) * 4) & ~4095; |
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426 | ncur = ncur - sizeof (void *) * 4; |
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427 | ncur /= elem; |
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428 | } |
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429 | |
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430 | return ncur; |
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431 | } |
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432 | |
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433 | static noinline void * |
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434 | array_realloc (int elem, void *base, int *cur, int cnt) |
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435 | { |
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436 | *cur = array_nextsize (elem, *cur, cnt); |
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437 | return ev_realloc (base, elem * *cur); |
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438 | } |
402 | |
439 | |
403 | #define array_needsize(type,base,cur,cnt,init) \ |
440 | #define array_needsize(type,base,cur,cnt,init) \ |
404 | if (expect_false ((cnt) > cur)) \ |
441 | if (expect_false ((cnt) > (cur))) \ |
405 | { \ |
442 | { \ |
406 | int newcnt = cur; \ |
443 | int ocur_ = (cur); \ |
407 | do \ |
444 | (base) = (type *)array_realloc \ |
408 | { \ |
445 | (sizeof (type), (base), &(cur), (cnt)); \ |
409 | newcnt = array_roundsize (type, newcnt << 1); \ |
446 | init ((base) + (ocur_), (cur) - ocur_); \ |
410 | } \ |
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411 | while ((cnt) > newcnt); \ |
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412 | \ |
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413 | base = (type *)ev_realloc (base, sizeof (type) * (newcnt));\ |
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414 | init (base + cur, newcnt - cur); \ |
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415 | cur = newcnt; \ |
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416 | } |
447 | } |
417 | |
448 | |
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449 | #if 0 |
418 | #define array_slim(type,stem) \ |
450 | #define array_slim(type,stem) \ |
419 | if (stem ## max < array_roundsize (stem ## cnt >> 2)) \ |
451 | if (stem ## max < array_roundsize (stem ## cnt >> 2)) \ |
420 | { \ |
452 | { \ |
421 | stem ## max = array_roundsize (stem ## cnt >> 1); \ |
453 | stem ## max = array_roundsize (stem ## cnt >> 1); \ |
422 | base = (type *)ev_realloc (base, sizeof (type) * (stem ## max));\ |
454 | base = (type *)ev_realloc (base, sizeof (type) * (stem ## max));\ |
423 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
455 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
424 | } |
456 | } |
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457 | #endif |
425 | |
458 | |
426 | #define array_free(stem, idx) \ |
459 | #define array_free(stem, idx) \ |
427 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; |
460 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; |
428 | |
461 | |
429 | /*****************************************************************************/ |
462 | /*****************************************************************************/ |
430 | |
463 | |
431 | void noinline |
464 | void noinline |
432 | ev_feed_event (EV_P_ void *w, int revents) |
465 | ev_feed_event (EV_P_ void *w, int revents) |
433 | { |
466 | { |
434 | W w_ = (W)w; |
467 | W w_ = (W)w; |
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468 | int pri = ABSPRI (w_); |
435 | |
469 | |
436 | if (expect_false (w_->pending)) |
470 | if (expect_false (w_->pending)) |
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471 | pendings [pri][w_->pending - 1].events |= revents; |
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472 | else |
437 | { |
473 | { |
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474 | w_->pending = ++pendingcnt [pri]; |
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475 | array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2); |
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476 | pendings [pri][w_->pending - 1].w = w_; |
438 | pendings [ABSPRI (w_)][w_->pending - 1].events |= revents; |
477 | pendings [pri][w_->pending - 1].events = revents; |
439 | return; |
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440 | } |
478 | } |
441 | |
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442 | w_->pending = ++pendingcnt [ABSPRI (w_)]; |
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443 | array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], EMPTY2); |
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444 | pendings [ABSPRI (w_)][w_->pending - 1].w = w_; |
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445 | pendings [ABSPRI (w_)][w_->pending - 1].events = revents; |
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446 | } |
479 | } |
447 | |
480 | |
448 | void inline_size |
481 | void inline_speed |
449 | queue_events (EV_P_ W *events, int eventcnt, int type) |
482 | queue_events (EV_P_ W *events, int eventcnt, int type) |
450 | { |
483 | { |
451 | int i; |
484 | int i; |
452 | |
485 | |
453 | for (i = 0; i < eventcnt; ++i) |
486 | for (i = 0; i < eventcnt; ++i) |
… | |
… | |
485 | } |
518 | } |
486 | |
519 | |
487 | void |
520 | void |
488 | ev_feed_fd_event (EV_P_ int fd, int revents) |
521 | ev_feed_fd_event (EV_P_ int fd, int revents) |
489 | { |
522 | { |
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523 | if (fd >= 0 && fd < anfdmax) |
490 | fd_event (EV_A_ fd, revents); |
524 | fd_event (EV_A_ fd, revents); |
491 | } |
525 | } |
492 | |
526 | |
493 | void inline_size |
527 | void inline_size |
494 | fd_reify (EV_P) |
528 | fd_reify (EV_P) |
495 | { |
529 | { |
… | |
… | |
604 | void inline_speed |
638 | void inline_speed |
605 | upheap (WT *heap, int k) |
639 | upheap (WT *heap, int k) |
606 | { |
640 | { |
607 | WT w = heap [k]; |
641 | WT w = heap [k]; |
608 | |
642 | |
609 | while (k && heap [k >> 1]->at > w->at) |
643 | while (k) |
610 | { |
644 | { |
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645 | int p = (k - 1) >> 1; |
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646 | |
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647 | if (heap [p]->at <= w->at) |
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|
648 | break; |
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|
649 | |
611 | heap [k] = heap [k >> 1]; |
650 | heap [k] = heap [p]; |
612 | ((W)heap [k])->active = k + 1; |
651 | ((W)heap [k])->active = k + 1; |
613 | k >>= 1; |
652 | k = p; |
614 | } |
653 | } |
615 | |
654 | |
616 | heap [k] = w; |
655 | heap [k] = w; |
617 | ((W)heap [k])->active = k + 1; |
656 | ((W)heap [k])->active = k + 1; |
618 | |
|
|
619 | } |
657 | } |
620 | |
658 | |
621 | void inline_speed |
659 | void inline_speed |
622 | downheap (WT *heap, int N, int k) |
660 | downheap (WT *heap, int N, int k) |
623 | { |
661 | { |
624 | WT w = heap [k]; |
662 | WT w = heap [k]; |
625 | |
663 | |
626 | while (k < (N >> 1)) |
664 | for (;;) |
627 | { |
665 | { |
628 | int j = k << 1; |
666 | int c = (k << 1) + 1; |
629 | |
667 | |
630 | if (j + 1 < N && heap [j]->at > heap [j + 1]->at) |
668 | if (c >= N) |
631 | ++j; |
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|
632 | |
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633 | if (w->at <= heap [j]->at) |
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634 | break; |
669 | break; |
635 | |
670 | |
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|
671 | c += c + 1 < N && heap [c]->at > heap [c + 1]->at |
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|
672 | ? 1 : 0; |
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|
673 | |
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674 | if (w->at <= heap [c]->at) |
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|
675 | break; |
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|
676 | |
636 | heap [k] = heap [j]; |
677 | heap [k] = heap [c]; |
637 | ((W)heap [k])->active = k + 1; |
678 | ((W)heap [k])->active = k + 1; |
|
|
679 | |
638 | k = j; |
680 | k = c; |
639 | } |
681 | } |
640 | |
682 | |
641 | heap [k] = w; |
683 | heap [k] = w; |
642 | ((W)heap [k])->active = k + 1; |
684 | ((W)heap [k])->active = k + 1; |
643 | } |
685 | } |
… | |
… | |
725 | for (signum = signalmax; signum--; ) |
767 | for (signum = signalmax; signum--; ) |
726 | if (signals [signum].gotsig) |
768 | if (signals [signum].gotsig) |
727 | ev_feed_signal_event (EV_A_ signum + 1); |
769 | ev_feed_signal_event (EV_A_ signum + 1); |
728 | } |
770 | } |
729 | |
771 | |
730 | void inline_size |
772 | void inline_speed |
731 | fd_intern (int fd) |
773 | fd_intern (int fd) |
732 | { |
774 | { |
733 | #ifdef _WIN32 |
775 | #ifdef _WIN32 |
734 | int arg = 1; |
776 | int arg = 1; |
735 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
777 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
… | |
… | |
764 | ev_child *w; |
806 | ev_child *w; |
765 | |
807 | |
766 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
808 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
767 | if (w->pid == pid || !w->pid) |
809 | if (w->pid == pid || !w->pid) |
768 | { |
810 | { |
769 | ev_priority (w) = ev_priority (sw); /* need to do it *now* */ |
811 | ev_set_priority (w, ev_priority (sw)); /* need to do it *now* */ |
770 | w->rpid = pid; |
812 | w->rpid = pid; |
771 | w->rstatus = status; |
813 | w->rstatus = status; |
772 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
814 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
773 | } |
815 | } |
774 | } |
816 | } |
775 | |
817 | |
776 | #ifndef WCONTINUED |
818 | #ifndef WCONTINUED |
… | |
… | |
886 | ev_backend (EV_P) |
928 | ev_backend (EV_P) |
887 | { |
929 | { |
888 | return backend; |
930 | return backend; |
889 | } |
931 | } |
890 | |
932 | |
|
|
933 | unsigned int |
|
|
934 | ev_loop_count (EV_P) |
|
|
935 | { |
|
|
936 | return loop_count; |
|
|
937 | } |
|
|
938 | |
891 | static void noinline |
939 | static void noinline |
892 | loop_init (EV_P_ unsigned int flags) |
940 | loop_init (EV_P_ unsigned int flags) |
893 | { |
941 | { |
894 | if (!backend) |
942 | if (!backend) |
895 | { |
943 | { |
… | |
… | |
904 | ev_rt_now = ev_time (); |
952 | ev_rt_now = ev_time (); |
905 | mn_now = get_clock (); |
953 | mn_now = get_clock (); |
906 | now_floor = mn_now; |
954 | now_floor = mn_now; |
907 | rtmn_diff = ev_rt_now - mn_now; |
955 | rtmn_diff = ev_rt_now - mn_now; |
908 | |
956 | |
|
|
957 | /* pid check not overridable via env */ |
|
|
958 | #ifndef _WIN32 |
|
|
959 | if (flags & EVFLAG_FORKCHECK) |
|
|
960 | curpid = getpid (); |
|
|
961 | #endif |
|
|
962 | |
909 | if (!(flags & EVFLAG_NOENV) |
963 | if (!(flags & EVFLAG_NOENV) |
910 | && !enable_secure () |
964 | && !enable_secure () |
911 | && getenv ("LIBEV_FLAGS")) |
965 | && getenv ("LIBEV_FLAGS")) |
912 | flags = atoi (getenv ("LIBEV_FLAGS")); |
966 | flags = atoi (getenv ("LIBEV_FLAGS")); |
913 | |
967 | |
… | |
… | |
969 | #if EV_USE_SELECT |
1023 | #if EV_USE_SELECT |
970 | if (backend == EVBACKEND_SELECT) select_destroy (EV_A); |
1024 | if (backend == EVBACKEND_SELECT) select_destroy (EV_A); |
971 | #endif |
1025 | #endif |
972 | |
1026 | |
973 | for (i = NUMPRI; i--; ) |
1027 | for (i = NUMPRI; i--; ) |
|
|
1028 | { |
974 | array_free (pending, [i]); |
1029 | array_free (pending, [i]); |
|
|
1030 | #if EV_IDLE_ENABLE |
|
|
1031 | array_free (idle, [i]); |
|
|
1032 | #endif |
|
|
1033 | } |
975 | |
1034 | |
976 | /* have to use the microsoft-never-gets-it-right macro */ |
1035 | /* have to use the microsoft-never-gets-it-right macro */ |
977 | array_free (fdchange, EMPTY0); |
1036 | array_free (fdchange, EMPTY); |
978 | array_free (timer, EMPTY0); |
1037 | array_free (timer, EMPTY); |
979 | #if EV_PERIODIC_ENABLE |
1038 | #if EV_PERIODIC_ENABLE |
980 | array_free (periodic, EMPTY0); |
1039 | array_free (periodic, EMPTY); |
981 | #endif |
1040 | #endif |
982 | array_free (idle, EMPTY0); |
|
|
983 | array_free (prepare, EMPTY0); |
1041 | array_free (prepare, EMPTY); |
984 | array_free (check, EMPTY0); |
1042 | array_free (check, EMPTY); |
985 | |
1043 | |
986 | backend = 0; |
1044 | backend = 0; |
987 | } |
1045 | } |
988 | |
1046 | |
989 | void inline_size infy_fork (EV_P); |
1047 | void inline_size infy_fork (EV_P); |
… | |
… | |
1125 | postfork = 1; |
1183 | postfork = 1; |
1126 | } |
1184 | } |
1127 | |
1185 | |
1128 | /*****************************************************************************/ |
1186 | /*****************************************************************************/ |
1129 | |
1187 | |
1130 | int inline_size |
1188 | void |
1131 | any_pending (EV_P) |
1189 | ev_invoke (EV_P_ void *w, int revents) |
1132 | { |
1190 | { |
1133 | int pri; |
1191 | EV_CB_INVOKE ((W)w, revents); |
1134 | |
|
|
1135 | for (pri = NUMPRI; pri--; ) |
|
|
1136 | if (pendingcnt [pri]) |
|
|
1137 | return 1; |
|
|
1138 | |
|
|
1139 | return 0; |
|
|
1140 | } |
1192 | } |
1141 | |
1193 | |
1142 | void inline_speed |
1194 | void inline_speed |
1143 | call_pending (EV_P) |
1195 | call_pending (EV_P) |
1144 | { |
1196 | { |
… | |
… | |
1162 | void inline_size |
1214 | void inline_size |
1163 | timers_reify (EV_P) |
1215 | timers_reify (EV_P) |
1164 | { |
1216 | { |
1165 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
1217 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
1166 | { |
1218 | { |
1167 | ev_timer *w = timers [0]; |
1219 | ev_timer *w = (ev_timer *)timers [0]; |
1168 | |
1220 | |
1169 | /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/ |
1221 | /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/ |
1170 | |
1222 | |
1171 | /* first reschedule or stop timer */ |
1223 | /* first reschedule or stop timer */ |
1172 | if (w->repeat) |
1224 | if (w->repeat) |
… | |
… | |
1175 | |
1227 | |
1176 | ((WT)w)->at += w->repeat; |
1228 | ((WT)w)->at += w->repeat; |
1177 | if (((WT)w)->at < mn_now) |
1229 | if (((WT)w)->at < mn_now) |
1178 | ((WT)w)->at = mn_now; |
1230 | ((WT)w)->at = mn_now; |
1179 | |
1231 | |
1180 | downheap ((WT *)timers, timercnt, 0); |
1232 | downheap (timers, timercnt, 0); |
1181 | } |
1233 | } |
1182 | else |
1234 | else |
1183 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1235 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1184 | |
1236 | |
1185 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
1237 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
… | |
… | |
1190 | void inline_size |
1242 | void inline_size |
1191 | periodics_reify (EV_P) |
1243 | periodics_reify (EV_P) |
1192 | { |
1244 | { |
1193 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
1245 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
1194 | { |
1246 | { |
1195 | ev_periodic *w = periodics [0]; |
1247 | ev_periodic *w = (ev_periodic *)periodics [0]; |
1196 | |
1248 | |
1197 | /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ |
1249 | /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ |
1198 | |
1250 | |
1199 | /* first reschedule or stop timer */ |
1251 | /* first reschedule or stop timer */ |
1200 | if (w->reschedule_cb) |
1252 | if (w->reschedule_cb) |
1201 | { |
1253 | { |
1202 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001); |
1254 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + TIME_EPSILON); |
1203 | assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now)); |
1255 | assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now)); |
1204 | downheap ((WT *)periodics, periodiccnt, 0); |
1256 | downheap (periodics, periodiccnt, 0); |
1205 | } |
1257 | } |
1206 | else if (w->interval) |
1258 | else if (w->interval) |
1207 | { |
1259 | { |
1208 | ((WT)w)->at += floor ((ev_rt_now - ((WT)w)->at) / w->interval + 1.) * w->interval; |
1260 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1261 | if (((WT)w)->at - ev_rt_now <= TIME_EPSILON) ((WT)w)->at += w->interval; |
1209 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now)); |
1262 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now)); |
1210 | downheap ((WT *)periodics, periodiccnt, 0); |
1263 | downheap (periodics, periodiccnt, 0); |
1211 | } |
1264 | } |
1212 | else |
1265 | else |
1213 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1266 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1214 | |
1267 | |
1215 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
1268 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
… | |
… | |
1222 | int i; |
1275 | int i; |
1223 | |
1276 | |
1224 | /* adjust periodics after time jump */ |
1277 | /* adjust periodics after time jump */ |
1225 | for (i = 0; i < periodiccnt; ++i) |
1278 | for (i = 0; i < periodiccnt; ++i) |
1226 | { |
1279 | { |
1227 | ev_periodic *w = periodics [i]; |
1280 | ev_periodic *w = (ev_periodic *)periodics [i]; |
1228 | |
1281 | |
1229 | if (w->reschedule_cb) |
1282 | if (w->reschedule_cb) |
1230 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1283 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1231 | else if (w->interval) |
1284 | else if (w->interval) |
1232 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1285 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
1233 | } |
1286 | } |
1234 | |
1287 | |
1235 | /* now rebuild the heap */ |
1288 | /* now rebuild the heap */ |
1236 | for (i = periodiccnt >> 1; i--; ) |
1289 | for (i = periodiccnt >> 1; i--; ) |
1237 | downheap ((WT *)periodics, periodiccnt, i); |
1290 | downheap (periodics, periodiccnt, i); |
1238 | } |
1291 | } |
1239 | #endif |
1292 | #endif |
1240 | |
1293 | |
|
|
1294 | #if EV_IDLE_ENABLE |
1241 | int inline_size |
1295 | void inline_size |
1242 | time_update_monotonic (EV_P) |
1296 | idle_reify (EV_P) |
1243 | { |
1297 | { |
|
|
1298 | if (expect_false (idleall)) |
|
|
1299 | { |
|
|
1300 | int pri; |
|
|
1301 | |
|
|
1302 | for (pri = NUMPRI; pri--; ) |
|
|
1303 | { |
|
|
1304 | if (pendingcnt [pri]) |
|
|
1305 | break; |
|
|
1306 | |
|
|
1307 | if (idlecnt [pri]) |
|
|
1308 | { |
|
|
1309 | queue_events (EV_A_ (W *)idles [pri], idlecnt [pri], EV_IDLE); |
|
|
1310 | break; |
|
|
1311 | } |
|
|
1312 | } |
|
|
1313 | } |
|
|
1314 | } |
|
|
1315 | #endif |
|
|
1316 | |
|
|
1317 | void inline_speed |
|
|
1318 | time_update (EV_P_ ev_tstamp max_block) |
|
|
1319 | { |
|
|
1320 | int i; |
|
|
1321 | |
|
|
1322 | #if EV_USE_MONOTONIC |
|
|
1323 | if (expect_true (have_monotonic)) |
|
|
1324 | { |
|
|
1325 | ev_tstamp odiff = rtmn_diff; |
|
|
1326 | |
1244 | mn_now = get_clock (); |
1327 | mn_now = get_clock (); |
1245 | |
1328 | |
|
|
1329 | /* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */ |
|
|
1330 | /* interpolate in the meantime */ |
1246 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
1331 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
1247 | { |
1332 | { |
1248 | ev_rt_now = rtmn_diff + mn_now; |
1333 | ev_rt_now = rtmn_diff + mn_now; |
1249 | return 0; |
1334 | return; |
1250 | } |
1335 | } |
1251 | else |
1336 | |
1252 | { |
|
|
1253 | now_floor = mn_now; |
1337 | now_floor = mn_now; |
1254 | ev_rt_now = ev_time (); |
1338 | ev_rt_now = ev_time (); |
1255 | return 1; |
|
|
1256 | } |
|
|
1257 | } |
|
|
1258 | |
1339 | |
1259 | void inline_size |
1340 | /* loop a few times, before making important decisions. |
1260 | time_update (EV_P) |
1341 | * on the choice of "4": one iteration isn't enough, |
1261 | { |
1342 | * in case we get preempted during the calls to |
1262 | int i; |
1343 | * ev_time and get_clock. a second call is almost guaranteed |
1263 | |
1344 | * to succeed in that case, though. and looping a few more times |
1264 | #if EV_USE_MONOTONIC |
1345 | * doesn't hurt either as we only do this on time-jumps or |
1265 | if (expect_true (have_monotonic)) |
1346 | * in the unlikely event of having been preempted here. |
1266 | { |
1347 | */ |
1267 | if (time_update_monotonic (EV_A)) |
1348 | for (i = 4; --i; ) |
1268 | { |
1349 | { |
1269 | ev_tstamp odiff = rtmn_diff; |
|
|
1270 | |
|
|
1271 | /* loop a few times, before making important decisions. |
|
|
1272 | * on the choice of "4": one iteration isn't enough, |
|
|
1273 | * in case we get preempted during the calls to |
|
|
1274 | * ev_time and get_clock. a second call is almost guaranteed |
|
|
1275 | * to succeed in that case, though. and looping a few more times |
|
|
1276 | * doesn't hurt either as we only do this on time-jumps or |
|
|
1277 | * in the unlikely event of having been preempted here. |
|
|
1278 | */ |
|
|
1279 | for (i = 4; --i; ) |
|
|
1280 | { |
|
|
1281 | rtmn_diff = ev_rt_now - mn_now; |
1350 | rtmn_diff = ev_rt_now - mn_now; |
1282 | |
1351 | |
1283 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
1352 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
1284 | return; /* all is well */ |
1353 | return; /* all is well */ |
1285 | |
1354 | |
1286 | ev_rt_now = ev_time (); |
1355 | ev_rt_now = ev_time (); |
1287 | mn_now = get_clock (); |
1356 | mn_now = get_clock (); |
1288 | now_floor = mn_now; |
1357 | now_floor = mn_now; |
1289 | } |
1358 | } |
1290 | |
1359 | |
1291 | # if EV_PERIODIC_ENABLE |
1360 | # if EV_PERIODIC_ENABLE |
1292 | periodics_reschedule (EV_A); |
1361 | periodics_reschedule (EV_A); |
1293 | # endif |
1362 | # endif |
1294 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
1363 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
1295 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
1364 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
1296 | } |
|
|
1297 | } |
1365 | } |
1298 | else |
1366 | else |
1299 | #endif |
1367 | #endif |
1300 | { |
1368 | { |
1301 | ev_rt_now = ev_time (); |
1369 | ev_rt_now = ev_time (); |
1302 | |
1370 | |
1303 | if (expect_false (mn_now > ev_rt_now || mn_now < ev_rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP)) |
1371 | if (expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP)) |
1304 | { |
1372 | { |
1305 | #if EV_PERIODIC_ENABLE |
1373 | #if EV_PERIODIC_ENABLE |
1306 | periodics_reschedule (EV_A); |
1374 | periodics_reschedule (EV_A); |
1307 | #endif |
1375 | #endif |
1308 | |
|
|
1309 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
1376 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
1310 | for (i = 0; i < timercnt; ++i) |
1377 | for (i = 0; i < timercnt; ++i) |
1311 | ((WT)timers [i])->at += ev_rt_now - mn_now; |
1378 | ((WT)timers [i])->at += ev_rt_now - mn_now; |
1312 | } |
1379 | } |
1313 | |
1380 | |
… | |
… | |
1334 | { |
1401 | { |
1335 | loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) |
1402 | loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) |
1336 | ? EVUNLOOP_ONE |
1403 | ? EVUNLOOP_ONE |
1337 | : EVUNLOOP_CANCEL; |
1404 | : EVUNLOOP_CANCEL; |
1338 | |
1405 | |
1339 | while (activecnt) |
1406 | call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */ |
|
|
1407 | |
|
|
1408 | do |
1340 | { |
1409 | { |
|
|
1410 | #ifndef _WIN32 |
|
|
1411 | if (expect_false (curpid)) /* penalise the forking check even more */ |
|
|
1412 | if (expect_false (getpid () != curpid)) |
|
|
1413 | { |
|
|
1414 | curpid = getpid (); |
|
|
1415 | postfork = 1; |
|
|
1416 | } |
|
|
1417 | #endif |
|
|
1418 | |
1341 | #if EV_FORK_ENABLE |
1419 | #if EV_FORK_ENABLE |
1342 | /* we might have forked, so queue fork handlers */ |
1420 | /* we might have forked, so queue fork handlers */ |
1343 | if (expect_false (postfork)) |
1421 | if (expect_false (postfork)) |
1344 | if (forkcnt) |
1422 | if (forkcnt) |
1345 | { |
1423 | { |
1346 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
1424 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
1347 | call_pending (EV_A); |
1425 | call_pending (EV_A); |
1348 | } |
1426 | } |
1349 | #endif |
1427 | #endif |
1350 | |
1428 | |
1351 | /* queue check watchers (and execute them) */ |
1429 | /* queue prepare watchers (and execute them) */ |
1352 | if (expect_false (preparecnt)) |
1430 | if (expect_false (preparecnt)) |
1353 | { |
1431 | { |
1354 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
1432 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
1355 | call_pending (EV_A); |
1433 | call_pending (EV_A); |
1356 | } |
1434 | } |
1357 | |
1435 | |
|
|
1436 | if (expect_false (!activecnt)) |
|
|
1437 | break; |
|
|
1438 | |
1358 | /* we might have forked, so reify kernel state if necessary */ |
1439 | /* we might have forked, so reify kernel state if necessary */ |
1359 | if (expect_false (postfork)) |
1440 | if (expect_false (postfork)) |
1360 | loop_fork (EV_A); |
1441 | loop_fork (EV_A); |
1361 | |
1442 | |
1362 | /* update fd-related kernel structures */ |
1443 | /* update fd-related kernel structures */ |
… | |
… | |
1364 | |
1445 | |
1365 | /* calculate blocking time */ |
1446 | /* calculate blocking time */ |
1366 | { |
1447 | { |
1367 | ev_tstamp block; |
1448 | ev_tstamp block; |
1368 | |
1449 | |
1369 | if (flags & EVLOOP_NONBLOCK || idlecnt) |
1450 | if (expect_false (flags & EVLOOP_NONBLOCK || idleall || !activecnt)) |
1370 | block = 0.; /* do not block at all */ |
1451 | block = 0.; /* do not block at all */ |
1371 | else |
1452 | else |
1372 | { |
1453 | { |
1373 | /* update time to cancel out callback processing overhead */ |
1454 | /* update time to cancel out callback processing overhead */ |
1374 | #if EV_USE_MONOTONIC |
|
|
1375 | if (expect_true (have_monotonic)) |
|
|
1376 | time_update_monotonic (EV_A); |
1455 | time_update (EV_A_ 1e100); |
1377 | else |
|
|
1378 | #endif |
|
|
1379 | { |
|
|
1380 | ev_rt_now = ev_time (); |
|
|
1381 | mn_now = ev_rt_now; |
|
|
1382 | } |
|
|
1383 | |
1456 | |
1384 | block = MAX_BLOCKTIME; |
1457 | block = MAX_BLOCKTIME; |
1385 | |
1458 | |
1386 | if (timercnt) |
1459 | if (timercnt) |
1387 | { |
1460 | { |
… | |
… | |
1398 | #endif |
1471 | #endif |
1399 | |
1472 | |
1400 | if (expect_false (block < 0.)) block = 0.; |
1473 | if (expect_false (block < 0.)) block = 0.; |
1401 | } |
1474 | } |
1402 | |
1475 | |
|
|
1476 | ++loop_count; |
1403 | backend_poll (EV_A_ block); |
1477 | backend_poll (EV_A_ block); |
|
|
1478 | |
|
|
1479 | /* update ev_rt_now, do magic */ |
|
|
1480 | time_update (EV_A_ block); |
1404 | } |
1481 | } |
1405 | |
|
|
1406 | /* update ev_rt_now, do magic */ |
|
|
1407 | time_update (EV_A); |
|
|
1408 | |
1482 | |
1409 | /* queue pending timers and reschedule them */ |
1483 | /* queue pending timers and reschedule them */ |
1410 | timers_reify (EV_A); /* relative timers called last */ |
1484 | timers_reify (EV_A); /* relative timers called last */ |
1411 | #if EV_PERIODIC_ENABLE |
1485 | #if EV_PERIODIC_ENABLE |
1412 | periodics_reify (EV_A); /* absolute timers called first */ |
1486 | periodics_reify (EV_A); /* absolute timers called first */ |
1413 | #endif |
1487 | #endif |
1414 | |
1488 | |
|
|
1489 | #if EV_IDLE_ENABLE |
1415 | /* queue idle watchers unless other events are pending */ |
1490 | /* queue idle watchers unless other events are pending */ |
1416 | if (idlecnt && !any_pending (EV_A)) |
1491 | idle_reify (EV_A); |
1417 | queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE); |
1492 | #endif |
1418 | |
1493 | |
1419 | /* queue check watchers, to be executed first */ |
1494 | /* queue check watchers, to be executed first */ |
1420 | if (expect_false (checkcnt)) |
1495 | if (expect_false (checkcnt)) |
1421 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1496 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1422 | |
1497 | |
1423 | call_pending (EV_A); |
1498 | call_pending (EV_A); |
1424 | |
1499 | |
1425 | if (expect_false (loop_done)) |
|
|
1426 | break; |
|
|
1427 | } |
1500 | } |
|
|
1501 | while (expect_true (activecnt && !loop_done)); |
1428 | |
1502 | |
1429 | if (loop_done == EVUNLOOP_ONE) |
1503 | if (loop_done == EVUNLOOP_ONE) |
1430 | loop_done = EVUNLOOP_CANCEL; |
1504 | loop_done = EVUNLOOP_CANCEL; |
1431 | } |
1505 | } |
1432 | |
1506 | |
… | |
… | |
1459 | head = &(*head)->next; |
1533 | head = &(*head)->next; |
1460 | } |
1534 | } |
1461 | } |
1535 | } |
1462 | |
1536 | |
1463 | void inline_speed |
1537 | void inline_speed |
1464 | ev_clear_pending (EV_P_ W w) |
1538 | clear_pending (EV_P_ W w) |
1465 | { |
1539 | { |
1466 | if (w->pending) |
1540 | if (w->pending) |
1467 | { |
1541 | { |
1468 | pendings [ABSPRI (w)][w->pending - 1].w = 0; |
1542 | pendings [ABSPRI (w)][w->pending - 1].w = 0; |
1469 | w->pending = 0; |
1543 | w->pending = 0; |
1470 | } |
1544 | } |
1471 | } |
1545 | } |
1472 | |
1546 | |
|
|
1547 | int |
|
|
1548 | ev_clear_pending (EV_P_ void *w) |
|
|
1549 | { |
|
|
1550 | W w_ = (W)w; |
|
|
1551 | int pending = w_->pending; |
|
|
1552 | |
|
|
1553 | if (expect_true (pending)) |
|
|
1554 | { |
|
|
1555 | ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1; |
|
|
1556 | w_->pending = 0; |
|
|
1557 | p->w = 0; |
|
|
1558 | return p->events; |
|
|
1559 | } |
|
|
1560 | else |
|
|
1561 | return 0; |
|
|
1562 | } |
|
|
1563 | |
|
|
1564 | void inline_size |
|
|
1565 | pri_adjust (EV_P_ W w) |
|
|
1566 | { |
|
|
1567 | int pri = w->priority; |
|
|
1568 | pri = pri < EV_MINPRI ? EV_MINPRI : pri; |
|
|
1569 | pri = pri > EV_MAXPRI ? EV_MAXPRI : pri; |
|
|
1570 | w->priority = pri; |
|
|
1571 | } |
|
|
1572 | |
1473 | void inline_speed |
1573 | void inline_speed |
1474 | ev_start (EV_P_ W w, int active) |
1574 | ev_start (EV_P_ W w, int active) |
1475 | { |
1575 | { |
1476 | if (w->priority < EV_MINPRI) w->priority = EV_MINPRI; |
1576 | pri_adjust (EV_A_ w); |
1477 | if (w->priority > EV_MAXPRI) w->priority = EV_MAXPRI; |
|
|
1478 | |
|
|
1479 | w->active = active; |
1577 | w->active = active; |
1480 | ev_ref (EV_A); |
1578 | ev_ref (EV_A); |
1481 | } |
1579 | } |
1482 | |
1580 | |
1483 | void inline_size |
1581 | void inline_size |
… | |
… | |
1487 | w->active = 0; |
1585 | w->active = 0; |
1488 | } |
1586 | } |
1489 | |
1587 | |
1490 | /*****************************************************************************/ |
1588 | /*****************************************************************************/ |
1491 | |
1589 | |
1492 | void |
1590 | void noinline |
1493 | ev_io_start (EV_P_ ev_io *w) |
1591 | ev_io_start (EV_P_ ev_io *w) |
1494 | { |
1592 | { |
1495 | int fd = w->fd; |
1593 | int fd = w->fd; |
1496 | |
1594 | |
1497 | if (expect_false (ev_is_active (w))) |
1595 | if (expect_false (ev_is_active (w))) |
… | |
… | |
1504 | wlist_add ((WL *)&anfds[fd].head, (WL)w); |
1602 | wlist_add ((WL *)&anfds[fd].head, (WL)w); |
1505 | |
1603 | |
1506 | fd_change (EV_A_ fd); |
1604 | fd_change (EV_A_ fd); |
1507 | } |
1605 | } |
1508 | |
1606 | |
1509 | void |
1607 | void noinline |
1510 | ev_io_stop (EV_P_ ev_io *w) |
1608 | ev_io_stop (EV_P_ ev_io *w) |
1511 | { |
1609 | { |
1512 | ev_clear_pending (EV_A_ (W)w); |
1610 | clear_pending (EV_A_ (W)w); |
1513 | if (expect_false (!ev_is_active (w))) |
1611 | if (expect_false (!ev_is_active (w))) |
1514 | return; |
1612 | return; |
1515 | |
1613 | |
1516 | assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
1614 | assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
1517 | |
1615 | |
… | |
… | |
1519 | ev_stop (EV_A_ (W)w); |
1617 | ev_stop (EV_A_ (W)w); |
1520 | |
1618 | |
1521 | fd_change (EV_A_ w->fd); |
1619 | fd_change (EV_A_ w->fd); |
1522 | } |
1620 | } |
1523 | |
1621 | |
1524 | void |
1622 | void noinline |
1525 | ev_timer_start (EV_P_ ev_timer *w) |
1623 | ev_timer_start (EV_P_ ev_timer *w) |
1526 | { |
1624 | { |
1527 | if (expect_false (ev_is_active (w))) |
1625 | if (expect_false (ev_is_active (w))) |
1528 | return; |
1626 | return; |
1529 | |
1627 | |
1530 | ((WT)w)->at += mn_now; |
1628 | ((WT)w)->at += mn_now; |
1531 | |
1629 | |
1532 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1630 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1533 | |
1631 | |
1534 | ev_start (EV_A_ (W)w, ++timercnt); |
1632 | ev_start (EV_A_ (W)w, ++timercnt); |
1535 | array_needsize (ev_timer *, timers, timermax, timercnt, EMPTY2); |
1633 | array_needsize (WT, timers, timermax, timercnt, EMPTY2); |
1536 | timers [timercnt - 1] = w; |
1634 | timers [timercnt - 1] = (WT)w; |
1537 | upheap ((WT *)timers, timercnt - 1); |
1635 | upheap (timers, timercnt - 1); |
1538 | |
1636 | |
1539 | /*assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));*/ |
1637 | /*assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));*/ |
1540 | } |
1638 | } |
1541 | |
1639 | |
1542 | void |
1640 | void noinline |
1543 | ev_timer_stop (EV_P_ ev_timer *w) |
1641 | ev_timer_stop (EV_P_ ev_timer *w) |
1544 | { |
1642 | { |
1545 | ev_clear_pending (EV_A_ (W)w); |
1643 | clear_pending (EV_A_ (W)w); |
1546 | if (expect_false (!ev_is_active (w))) |
1644 | if (expect_false (!ev_is_active (w))) |
1547 | return; |
1645 | return; |
1548 | |
1646 | |
1549 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1647 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == (WT)w)); |
1550 | |
1648 | |
1551 | { |
1649 | { |
1552 | int active = ((W)w)->active; |
1650 | int active = ((W)w)->active; |
1553 | |
1651 | |
1554 | if (expect_true (--active < --timercnt)) |
1652 | if (expect_true (--active < --timercnt)) |
1555 | { |
1653 | { |
1556 | timers [active] = timers [timercnt]; |
1654 | timers [active] = timers [timercnt]; |
1557 | adjustheap ((WT *)timers, timercnt, active); |
1655 | adjustheap (timers, timercnt, active); |
1558 | } |
1656 | } |
1559 | } |
1657 | } |
1560 | |
1658 | |
1561 | ((WT)w)->at -= mn_now; |
1659 | ((WT)w)->at -= mn_now; |
1562 | |
1660 | |
1563 | ev_stop (EV_A_ (W)w); |
1661 | ev_stop (EV_A_ (W)w); |
1564 | } |
1662 | } |
1565 | |
1663 | |
1566 | void |
1664 | void noinline |
1567 | ev_timer_again (EV_P_ ev_timer *w) |
1665 | ev_timer_again (EV_P_ ev_timer *w) |
1568 | { |
1666 | { |
1569 | if (ev_is_active (w)) |
1667 | if (ev_is_active (w)) |
1570 | { |
1668 | { |
1571 | if (w->repeat) |
1669 | if (w->repeat) |
1572 | { |
1670 | { |
1573 | ((WT)w)->at = mn_now + w->repeat; |
1671 | ((WT)w)->at = mn_now + w->repeat; |
1574 | adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1672 | adjustheap (timers, timercnt, ((W)w)->active - 1); |
1575 | } |
1673 | } |
1576 | else |
1674 | else |
1577 | ev_timer_stop (EV_A_ w); |
1675 | ev_timer_stop (EV_A_ w); |
1578 | } |
1676 | } |
1579 | else if (w->repeat) |
1677 | else if (w->repeat) |
… | |
… | |
1582 | ev_timer_start (EV_A_ w); |
1680 | ev_timer_start (EV_A_ w); |
1583 | } |
1681 | } |
1584 | } |
1682 | } |
1585 | |
1683 | |
1586 | #if EV_PERIODIC_ENABLE |
1684 | #if EV_PERIODIC_ENABLE |
1587 | void |
1685 | void noinline |
1588 | ev_periodic_start (EV_P_ ev_periodic *w) |
1686 | ev_periodic_start (EV_P_ ev_periodic *w) |
1589 | { |
1687 | { |
1590 | if (expect_false (ev_is_active (w))) |
1688 | if (expect_false (ev_is_active (w))) |
1591 | return; |
1689 | return; |
1592 | |
1690 | |
… | |
… | |
1594 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1692 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1595 | else if (w->interval) |
1693 | else if (w->interval) |
1596 | { |
1694 | { |
1597 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
1695 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
1598 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1696 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1599 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1697 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
1600 | } |
1698 | } |
|
|
1699 | else |
|
|
1700 | ((WT)w)->at = w->offset; |
1601 | |
1701 | |
1602 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1702 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1603 | array_needsize (ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2); |
1703 | array_needsize (WT, periodics, periodicmax, periodiccnt, EMPTY2); |
1604 | periodics [periodiccnt - 1] = w; |
1704 | periodics [periodiccnt - 1] = (WT)w; |
1605 | upheap ((WT *)periodics, periodiccnt - 1); |
1705 | upheap (periodics, periodiccnt - 1); |
1606 | |
1706 | |
1607 | /*assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));*/ |
1707 | /*assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));*/ |
1608 | } |
1708 | } |
1609 | |
1709 | |
1610 | void |
1710 | void noinline |
1611 | ev_periodic_stop (EV_P_ ev_periodic *w) |
1711 | ev_periodic_stop (EV_P_ ev_periodic *w) |
1612 | { |
1712 | { |
1613 | ev_clear_pending (EV_A_ (W)w); |
1713 | clear_pending (EV_A_ (W)w); |
1614 | if (expect_false (!ev_is_active (w))) |
1714 | if (expect_false (!ev_is_active (w))) |
1615 | return; |
1715 | return; |
1616 | |
1716 | |
1617 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1717 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == (WT)w)); |
1618 | |
1718 | |
1619 | { |
1719 | { |
1620 | int active = ((W)w)->active; |
1720 | int active = ((W)w)->active; |
1621 | |
1721 | |
1622 | if (expect_true (--active < --periodiccnt)) |
1722 | if (expect_true (--active < --periodiccnt)) |
1623 | { |
1723 | { |
1624 | periodics [active] = periodics [periodiccnt]; |
1724 | periodics [active] = periodics [periodiccnt]; |
1625 | adjustheap ((WT *)periodics, periodiccnt, active); |
1725 | adjustheap (periodics, periodiccnt, active); |
1626 | } |
1726 | } |
1627 | } |
1727 | } |
1628 | |
1728 | |
1629 | ev_stop (EV_A_ (W)w); |
1729 | ev_stop (EV_A_ (W)w); |
1630 | } |
1730 | } |
1631 | |
1731 | |
1632 | void |
1732 | void noinline |
1633 | ev_periodic_again (EV_P_ ev_periodic *w) |
1733 | ev_periodic_again (EV_P_ ev_periodic *w) |
1634 | { |
1734 | { |
1635 | /* TODO: use adjustheap and recalculation */ |
1735 | /* TODO: use adjustheap and recalculation */ |
1636 | ev_periodic_stop (EV_A_ w); |
1736 | ev_periodic_stop (EV_A_ w); |
1637 | ev_periodic_start (EV_A_ w); |
1737 | ev_periodic_start (EV_A_ w); |
… | |
… | |
1640 | |
1740 | |
1641 | #ifndef SA_RESTART |
1741 | #ifndef SA_RESTART |
1642 | # define SA_RESTART 0 |
1742 | # define SA_RESTART 0 |
1643 | #endif |
1743 | #endif |
1644 | |
1744 | |
1645 | void |
1745 | void noinline |
1646 | ev_signal_start (EV_P_ ev_signal *w) |
1746 | ev_signal_start (EV_P_ ev_signal *w) |
1647 | { |
1747 | { |
1648 | #if EV_MULTIPLICITY |
1748 | #if EV_MULTIPLICITY |
1649 | assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1749 | assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1650 | #endif |
1750 | #endif |
1651 | if (expect_false (ev_is_active (w))) |
1751 | if (expect_false (ev_is_active (w))) |
1652 | return; |
1752 | return; |
1653 | |
1753 | |
1654 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
1754 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
1655 | |
1755 | |
|
|
1756 | { |
|
|
1757 | #ifndef _WIN32 |
|
|
1758 | sigset_t full, prev; |
|
|
1759 | sigfillset (&full); |
|
|
1760 | sigprocmask (SIG_SETMASK, &full, &prev); |
|
|
1761 | #endif |
|
|
1762 | |
|
|
1763 | array_needsize (ANSIG, signals, signalmax, w->signum, signals_init); |
|
|
1764 | |
|
|
1765 | #ifndef _WIN32 |
|
|
1766 | sigprocmask (SIG_SETMASK, &prev, 0); |
|
|
1767 | #endif |
|
|
1768 | } |
|
|
1769 | |
1656 | ev_start (EV_A_ (W)w, 1); |
1770 | ev_start (EV_A_ (W)w, 1); |
1657 | array_needsize (ANSIG, signals, signalmax, w->signum, signals_init); |
|
|
1658 | wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w); |
1771 | wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w); |
1659 | |
1772 | |
1660 | if (!((WL)w)->next) |
1773 | if (!((WL)w)->next) |
1661 | { |
1774 | { |
1662 | #if _WIN32 |
1775 | #if _WIN32 |
… | |
… | |
1669 | sigaction (w->signum, &sa, 0); |
1782 | sigaction (w->signum, &sa, 0); |
1670 | #endif |
1783 | #endif |
1671 | } |
1784 | } |
1672 | } |
1785 | } |
1673 | |
1786 | |
1674 | void |
1787 | void noinline |
1675 | ev_signal_stop (EV_P_ ev_signal *w) |
1788 | ev_signal_stop (EV_P_ ev_signal *w) |
1676 | { |
1789 | { |
1677 | ev_clear_pending (EV_A_ (W)w); |
1790 | clear_pending (EV_A_ (W)w); |
1678 | if (expect_false (!ev_is_active (w))) |
1791 | if (expect_false (!ev_is_active (w))) |
1679 | return; |
1792 | return; |
1680 | |
1793 | |
1681 | wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w); |
1794 | wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w); |
1682 | ev_stop (EV_A_ (W)w); |
1795 | ev_stop (EV_A_ (W)w); |
… | |
… | |
1699 | } |
1812 | } |
1700 | |
1813 | |
1701 | void |
1814 | void |
1702 | ev_child_stop (EV_P_ ev_child *w) |
1815 | ev_child_stop (EV_P_ ev_child *w) |
1703 | { |
1816 | { |
1704 | ev_clear_pending (EV_A_ (W)w); |
1817 | clear_pending (EV_A_ (W)w); |
1705 | if (expect_false (!ev_is_active (w))) |
1818 | if (expect_false (!ev_is_active (w))) |
1706 | return; |
1819 | return; |
1707 | |
1820 | |
1708 | wlist_del ((WL *)&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
1821 | wlist_del ((WL *)&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
1709 | ev_stop (EV_A_ (W)w); |
1822 | ev_stop (EV_A_ (W)w); |
… | |
… | |
1945 | } |
2058 | } |
1946 | |
2059 | |
1947 | void |
2060 | void |
1948 | ev_stat_stop (EV_P_ ev_stat *w) |
2061 | ev_stat_stop (EV_P_ ev_stat *w) |
1949 | { |
2062 | { |
1950 | ev_clear_pending (EV_A_ (W)w); |
2063 | clear_pending (EV_A_ (W)w); |
1951 | if (expect_false (!ev_is_active (w))) |
2064 | if (expect_false (!ev_is_active (w))) |
1952 | return; |
2065 | return; |
1953 | |
2066 | |
1954 | #if EV_USE_INOTIFY |
2067 | #if EV_USE_INOTIFY |
1955 | infy_del (EV_A_ w); |
2068 | infy_del (EV_A_ w); |
… | |
… | |
1958 | |
2071 | |
1959 | ev_stop (EV_A_ (W)w); |
2072 | ev_stop (EV_A_ (W)w); |
1960 | } |
2073 | } |
1961 | #endif |
2074 | #endif |
1962 | |
2075 | |
|
|
2076 | #if EV_IDLE_ENABLE |
1963 | void |
2077 | void |
1964 | ev_idle_start (EV_P_ ev_idle *w) |
2078 | ev_idle_start (EV_P_ ev_idle *w) |
1965 | { |
2079 | { |
1966 | if (expect_false (ev_is_active (w))) |
2080 | if (expect_false (ev_is_active (w))) |
1967 | return; |
2081 | return; |
1968 | |
2082 | |
|
|
2083 | pri_adjust (EV_A_ (W)w); |
|
|
2084 | |
|
|
2085 | { |
|
|
2086 | int active = ++idlecnt [ABSPRI (w)]; |
|
|
2087 | |
|
|
2088 | ++idleall; |
1969 | ev_start (EV_A_ (W)w, ++idlecnt); |
2089 | ev_start (EV_A_ (W)w, active); |
|
|
2090 | |
1970 | array_needsize (ev_idle *, idles, idlemax, idlecnt, EMPTY2); |
2091 | array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2); |
1971 | idles [idlecnt - 1] = w; |
2092 | idles [ABSPRI (w)][active - 1] = w; |
|
|
2093 | } |
1972 | } |
2094 | } |
1973 | |
2095 | |
1974 | void |
2096 | void |
1975 | ev_idle_stop (EV_P_ ev_idle *w) |
2097 | ev_idle_stop (EV_P_ ev_idle *w) |
1976 | { |
2098 | { |
1977 | ev_clear_pending (EV_A_ (W)w); |
2099 | clear_pending (EV_A_ (W)w); |
1978 | if (expect_false (!ev_is_active (w))) |
2100 | if (expect_false (!ev_is_active (w))) |
1979 | return; |
2101 | return; |
1980 | |
2102 | |
1981 | { |
2103 | { |
1982 | int active = ((W)w)->active; |
2104 | int active = ((W)w)->active; |
1983 | idles [active - 1] = idles [--idlecnt]; |
2105 | |
|
|
2106 | idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]]; |
1984 | ((W)idles [active - 1])->active = active; |
2107 | ((W)idles [ABSPRI (w)][active - 1])->active = active; |
|
|
2108 | |
|
|
2109 | ev_stop (EV_A_ (W)w); |
|
|
2110 | --idleall; |
1985 | } |
2111 | } |
1986 | |
|
|
1987 | ev_stop (EV_A_ (W)w); |
|
|
1988 | } |
2112 | } |
|
|
2113 | #endif |
1989 | |
2114 | |
1990 | void |
2115 | void |
1991 | ev_prepare_start (EV_P_ ev_prepare *w) |
2116 | ev_prepare_start (EV_P_ ev_prepare *w) |
1992 | { |
2117 | { |
1993 | if (expect_false (ev_is_active (w))) |
2118 | if (expect_false (ev_is_active (w))) |
… | |
… | |
1999 | } |
2124 | } |
2000 | |
2125 | |
2001 | void |
2126 | void |
2002 | ev_prepare_stop (EV_P_ ev_prepare *w) |
2127 | ev_prepare_stop (EV_P_ ev_prepare *w) |
2003 | { |
2128 | { |
2004 | ev_clear_pending (EV_A_ (W)w); |
2129 | clear_pending (EV_A_ (W)w); |
2005 | if (expect_false (!ev_is_active (w))) |
2130 | if (expect_false (!ev_is_active (w))) |
2006 | return; |
2131 | return; |
2007 | |
2132 | |
2008 | { |
2133 | { |
2009 | int active = ((W)w)->active; |
2134 | int active = ((W)w)->active; |
… | |
… | |
2026 | } |
2151 | } |
2027 | |
2152 | |
2028 | void |
2153 | void |
2029 | ev_check_stop (EV_P_ ev_check *w) |
2154 | ev_check_stop (EV_P_ ev_check *w) |
2030 | { |
2155 | { |
2031 | ev_clear_pending (EV_A_ (W)w); |
2156 | clear_pending (EV_A_ (W)w); |
2032 | if (expect_false (!ev_is_active (w))) |
2157 | if (expect_false (!ev_is_active (w))) |
2033 | return; |
2158 | return; |
2034 | |
2159 | |
2035 | { |
2160 | { |
2036 | int active = ((W)w)->active; |
2161 | int active = ((W)w)->active; |
… | |
… | |
2078 | } |
2203 | } |
2079 | |
2204 | |
2080 | void |
2205 | void |
2081 | ev_embed_stop (EV_P_ ev_embed *w) |
2206 | ev_embed_stop (EV_P_ ev_embed *w) |
2082 | { |
2207 | { |
2083 | ev_clear_pending (EV_A_ (W)w); |
2208 | clear_pending (EV_A_ (W)w); |
2084 | if (expect_false (!ev_is_active (w))) |
2209 | if (expect_false (!ev_is_active (w))) |
2085 | return; |
2210 | return; |
2086 | |
2211 | |
2087 | ev_io_stop (EV_A_ &w->io); |
2212 | ev_io_stop (EV_A_ &w->io); |
2088 | |
2213 | |
… | |
… | |
2103 | } |
2228 | } |
2104 | |
2229 | |
2105 | void |
2230 | void |
2106 | ev_fork_stop (EV_P_ ev_fork *w) |
2231 | ev_fork_stop (EV_P_ ev_fork *w) |
2107 | { |
2232 | { |
2108 | ev_clear_pending (EV_A_ (W)w); |
2233 | clear_pending (EV_A_ (W)w); |
2109 | if (expect_false (!ev_is_active (w))) |
2234 | if (expect_false (!ev_is_active (w))) |
2110 | return; |
2235 | return; |
2111 | |
2236 | |
2112 | { |
2237 | { |
2113 | int active = ((W)w)->active; |
2238 | int active = ((W)w)->active; |