… | |
… | |
126 | # define EV_USE_EVENTFD 1 |
126 | # define EV_USE_EVENTFD 1 |
127 | # else |
127 | # else |
128 | # define EV_USE_EVENTFD 0 |
128 | # define EV_USE_EVENTFD 0 |
129 | # endif |
129 | # endif |
130 | # endif |
130 | # endif |
131 | |
131 | |
132 | #endif |
132 | #endif |
133 | |
133 | |
134 | #include <math.h> |
134 | #include <math.h> |
135 | #include <stdlib.h> |
135 | #include <stdlib.h> |
136 | #include <fcntl.h> |
136 | #include <fcntl.h> |
… | |
… | |
154 | #ifndef _WIN32 |
154 | #ifndef _WIN32 |
155 | # include <sys/time.h> |
155 | # include <sys/time.h> |
156 | # include <sys/wait.h> |
156 | # include <sys/wait.h> |
157 | # include <unistd.h> |
157 | # include <unistd.h> |
158 | #else |
158 | #else |
|
|
159 | # include <io.h> |
159 | # define WIN32_LEAN_AND_MEAN |
160 | # define WIN32_LEAN_AND_MEAN |
160 | # include <windows.h> |
161 | # include <windows.h> |
161 | # ifndef EV_SELECT_IS_WINSOCKET |
162 | # ifndef EV_SELECT_IS_WINSOCKET |
162 | # define EV_SELECT_IS_WINSOCKET 1 |
163 | # define EV_SELECT_IS_WINSOCKET 1 |
163 | # endif |
164 | # endif |
164 | #endif |
165 | #endif |
165 | |
166 | |
166 | /* this block tries to deduce configuration from header-defined symbols and defaults */ |
167 | /* this block tries to deduce configuration from header-defined symbols and defaults */ |
167 | |
168 | |
168 | #ifndef EV_USE_MONOTONIC |
169 | #ifndef EV_USE_MONOTONIC |
|
|
170 | # if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0 |
|
|
171 | # define EV_USE_MONOTONIC 1 |
|
|
172 | # else |
169 | # define EV_USE_MONOTONIC 0 |
173 | # define EV_USE_MONOTONIC 0 |
|
|
174 | # endif |
170 | #endif |
175 | #endif |
171 | |
176 | |
172 | #ifndef EV_USE_REALTIME |
177 | #ifndef EV_USE_REALTIME |
173 | # define EV_USE_REALTIME 0 |
178 | # define EV_USE_REALTIME 0 |
174 | #endif |
179 | #endif |
175 | |
180 | |
176 | #ifndef EV_USE_NANOSLEEP |
181 | #ifndef EV_USE_NANOSLEEP |
|
|
182 | # if _POSIX_C_SOURCE >= 199309L |
|
|
183 | # define EV_USE_NANOSLEEP 1 |
|
|
184 | # else |
177 | # define EV_USE_NANOSLEEP 0 |
185 | # define EV_USE_NANOSLEEP 0 |
|
|
186 | # endif |
178 | #endif |
187 | #endif |
179 | |
188 | |
180 | #ifndef EV_USE_SELECT |
189 | #ifndef EV_USE_SELECT |
181 | # define EV_USE_SELECT 1 |
190 | # define EV_USE_SELECT 1 |
182 | #endif |
191 | #endif |
… | |
… | |
235 | # else |
244 | # else |
236 | # define EV_USE_EVENTFD 0 |
245 | # define EV_USE_EVENTFD 0 |
237 | # endif |
246 | # endif |
238 | #endif |
247 | #endif |
239 | |
248 | |
|
|
249 | #if 0 /* debugging */ |
|
|
250 | # define EV_VERIFY 3 |
|
|
251 | # define EV_USE_4HEAP 1 |
|
|
252 | # define EV_HEAP_CACHE_AT 1 |
|
|
253 | #endif |
|
|
254 | |
|
|
255 | #ifndef EV_VERIFY |
|
|
256 | # define EV_VERIFY !EV_MINIMAL |
|
|
257 | #endif |
|
|
258 | |
|
|
259 | #ifndef EV_USE_4HEAP |
|
|
260 | # define EV_USE_4HEAP !EV_MINIMAL |
|
|
261 | #endif |
|
|
262 | |
|
|
263 | #ifndef EV_HEAP_CACHE_AT |
|
|
264 | # define EV_HEAP_CACHE_AT !EV_MINIMAL |
|
|
265 | #endif |
|
|
266 | |
240 | /* this block fixes any misconfiguration where we know we run into trouble otherwise */ |
267 | /* this block fixes any misconfiguration where we know we run into trouble otherwise */ |
241 | |
268 | |
242 | #ifndef CLOCK_MONOTONIC |
269 | #ifndef CLOCK_MONOTONIC |
243 | # undef EV_USE_MONOTONIC |
270 | # undef EV_USE_MONOTONIC |
244 | # define EV_USE_MONOTONIC 0 |
271 | # define EV_USE_MONOTONIC 0 |
… | |
… | |
259 | # include <sys/select.h> |
286 | # include <sys/select.h> |
260 | # endif |
287 | # endif |
261 | #endif |
288 | #endif |
262 | |
289 | |
263 | #if EV_USE_INOTIFY |
290 | #if EV_USE_INOTIFY |
|
|
291 | # include <sys/utsname.h> |
264 | # include <sys/inotify.h> |
292 | # include <sys/inotify.h> |
|
|
293 | /* some very old inotify.h headers don't have IN_DONT_FOLLOW */ |
|
|
294 | # ifndef IN_DONT_FOLLOW |
|
|
295 | # undef EV_USE_INOTIFY |
|
|
296 | # define EV_USE_INOTIFY 0 |
|
|
297 | # endif |
265 | #endif |
298 | #endif |
266 | |
299 | |
267 | #if EV_SELECT_IS_WINSOCKET |
300 | #if EV_SELECT_IS_WINSOCKET |
268 | # include <winsock.h> |
301 | # include <winsock.h> |
269 | #endif |
302 | #endif |
… | |
… | |
279 | } |
312 | } |
280 | # endif |
313 | # endif |
281 | #endif |
314 | #endif |
282 | |
315 | |
283 | /**/ |
316 | /**/ |
|
|
317 | |
|
|
318 | #if EV_VERIFY >= 3 |
|
|
319 | # define EV_FREQUENT_CHECK ev_loop_verify (EV_A) |
|
|
320 | #else |
|
|
321 | # define EV_FREQUENT_CHECK do { } while (0) |
|
|
322 | #endif |
284 | |
323 | |
285 | /* |
324 | /* |
286 | * This is used to avoid floating point rounding problems. |
325 | * This is used to avoid floating point rounding problems. |
287 | * It is added to ev_rt_now when scheduling periodics |
326 | * It is added to ev_rt_now when scheduling periodics |
288 | * to ensure progress, time-wise, even when rounding |
327 | * to ensure progress, time-wise, even when rounding |
… | |
… | |
325 | |
364 | |
326 | typedef ev_watcher *W; |
365 | typedef ev_watcher *W; |
327 | typedef ev_watcher_list *WL; |
366 | typedef ev_watcher_list *WL; |
328 | typedef ev_watcher_time *WT; |
367 | typedef ev_watcher_time *WT; |
329 | |
368 | |
|
|
369 | #define ev_active(w) ((W)(w))->active |
|
|
370 | #define ev_at(w) ((WT)(w))->at |
|
|
371 | |
330 | #if EV_USE_MONOTONIC |
372 | #if EV_USE_MONOTONIC |
331 | /* sig_atomic_t is used to avoid per-thread variables or locking but still */ |
373 | /* sig_atomic_t is used to avoid per-thread variables or locking but still */ |
332 | /* giving it a reasonably high chance of working on typical architetcures */ |
374 | /* giving it a reasonably high chance of working on typical architetcures */ |
333 | static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
375 | static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
334 | #endif |
376 | #endif |
… | |
… | |
346 | { |
388 | { |
347 | syserr_cb = cb; |
389 | syserr_cb = cb; |
348 | } |
390 | } |
349 | |
391 | |
350 | static void noinline |
392 | static void noinline |
351 | syserr (const char *msg) |
393 | ev_syserr (const char *msg) |
352 | { |
394 | { |
353 | if (!msg) |
395 | if (!msg) |
354 | msg = "(libev) system error"; |
396 | msg = "(libev) system error"; |
355 | |
397 | |
356 | if (syserr_cb) |
398 | if (syserr_cb) |
… | |
… | |
407 | typedef struct |
449 | typedef struct |
408 | { |
450 | { |
409 | WL head; |
451 | WL head; |
410 | unsigned char events; |
452 | unsigned char events; |
411 | unsigned char reify; |
453 | unsigned char reify; |
|
|
454 | unsigned char emask; /* the epoll backend stores the actual kernel mask in here */ |
|
|
455 | unsigned char unused; |
|
|
456 | #if EV_USE_EPOLL |
|
|
457 | unsigned int egen; /* generation counter to counter epoll bugs */ |
|
|
458 | #endif |
412 | #if EV_SELECT_IS_WINSOCKET |
459 | #if EV_SELECT_IS_WINSOCKET |
413 | SOCKET handle; |
460 | SOCKET handle; |
414 | #endif |
461 | #endif |
415 | } ANFD; |
462 | } ANFD; |
416 | |
463 | |
… | |
… | |
419 | W w; |
466 | W w; |
420 | int events; |
467 | int events; |
421 | } ANPENDING; |
468 | } ANPENDING; |
422 | |
469 | |
423 | #if EV_USE_INOTIFY |
470 | #if EV_USE_INOTIFY |
|
|
471 | /* hash table entry per inotify-id */ |
424 | typedef struct |
472 | typedef struct |
425 | { |
473 | { |
426 | WL head; |
474 | WL head; |
427 | } ANFS; |
475 | } ANFS; |
|
|
476 | #endif |
|
|
477 | |
|
|
478 | /* Heap Entry */ |
|
|
479 | #if EV_HEAP_CACHE_AT |
|
|
480 | typedef struct { |
|
|
481 | ev_tstamp at; |
|
|
482 | WT w; |
|
|
483 | } ANHE; |
|
|
484 | |
|
|
485 | #define ANHE_w(he) (he).w /* access watcher, read-write */ |
|
|
486 | #define ANHE_at(he) (he).at /* access cached at, read-only */ |
|
|
487 | #define ANHE_at_cache(he) (he).at = (he).w->at /* update at from watcher */ |
|
|
488 | #else |
|
|
489 | typedef WT ANHE; |
|
|
490 | |
|
|
491 | #define ANHE_w(he) (he) |
|
|
492 | #define ANHE_at(he) (he)->at |
|
|
493 | #define ANHE_at_cache(he) |
428 | #endif |
494 | #endif |
429 | |
495 | |
430 | #if EV_MULTIPLICITY |
496 | #if EV_MULTIPLICITY |
431 | |
497 | |
432 | struct ev_loop |
498 | struct ev_loop |
… | |
… | |
510 | struct timeval tv; |
576 | struct timeval tv; |
511 | |
577 | |
512 | tv.tv_sec = (time_t)delay; |
578 | tv.tv_sec = (time_t)delay; |
513 | tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); |
579 | tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); |
514 | |
580 | |
|
|
581 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
|
|
582 | /* somehting nto guaranteed by newer posix versions, but guaranteed */ |
|
|
583 | /* by older ones */ |
515 | select (0, 0, 0, 0, &tv); |
584 | select (0, 0, 0, 0, &tv); |
516 | #endif |
585 | #endif |
517 | } |
586 | } |
518 | } |
587 | } |
519 | |
588 | |
520 | /*****************************************************************************/ |
589 | /*****************************************************************************/ |
|
|
590 | |
|
|
591 | #define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */ |
521 | |
592 | |
522 | int inline_size |
593 | int inline_size |
523 | array_nextsize (int elem, int cur, int cnt) |
594 | array_nextsize (int elem, int cur, int cnt) |
524 | { |
595 | { |
525 | int ncur = cur + 1; |
596 | int ncur = cur + 1; |
526 | |
597 | |
527 | do |
598 | do |
528 | ncur <<= 1; |
599 | ncur <<= 1; |
529 | while (cnt > ncur); |
600 | while (cnt > ncur); |
530 | |
601 | |
531 | /* if size > 4096, round to 4096 - 4 * longs to accomodate malloc overhead */ |
602 | /* if size is large, round to MALLOC_ROUND - 4 * longs to accomodate malloc overhead */ |
532 | if (elem * ncur > 4096) |
603 | if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4) |
533 | { |
604 | { |
534 | ncur *= elem; |
605 | ncur *= elem; |
535 | ncur = (ncur + elem + 4095 + sizeof (void *) * 4) & ~4095; |
606 | ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void *) * 4) & ~(MALLOC_ROUND - 1); |
536 | ncur = ncur - sizeof (void *) * 4; |
607 | ncur = ncur - sizeof (void *) * 4; |
537 | ncur /= elem; |
608 | ncur /= elem; |
538 | } |
609 | } |
539 | |
610 | |
540 | return ncur; |
611 | return ncur; |
… | |
… | |
544 | array_realloc (int elem, void *base, int *cur, int cnt) |
615 | array_realloc (int elem, void *base, int *cur, int cnt) |
545 | { |
616 | { |
546 | *cur = array_nextsize (elem, *cur, cnt); |
617 | *cur = array_nextsize (elem, *cur, cnt); |
547 | return ev_realloc (base, elem * *cur); |
618 | return ev_realloc (base, elem * *cur); |
548 | } |
619 | } |
|
|
620 | |
|
|
621 | #define array_init_zero(base,count) \ |
|
|
622 | memset ((void *)(base), 0, sizeof (*(base)) * (count)) |
549 | |
623 | |
550 | #define array_needsize(type,base,cur,cnt,init) \ |
624 | #define array_needsize(type,base,cur,cnt,init) \ |
551 | if (expect_false ((cnt) > (cur))) \ |
625 | if (expect_false ((cnt) > (cur))) \ |
552 | { \ |
626 | { \ |
553 | int ocur_ = (cur); \ |
627 | int ocur_ = (cur); \ |
… | |
… | |
597 | ev_feed_event (EV_A_ events [i], type); |
671 | ev_feed_event (EV_A_ events [i], type); |
598 | } |
672 | } |
599 | |
673 | |
600 | /*****************************************************************************/ |
674 | /*****************************************************************************/ |
601 | |
675 | |
602 | void inline_size |
|
|
603 | anfds_init (ANFD *base, int count) |
|
|
604 | { |
|
|
605 | while (count--) |
|
|
606 | { |
|
|
607 | base->head = 0; |
|
|
608 | base->events = EV_NONE; |
|
|
609 | base->reify = 0; |
|
|
610 | |
|
|
611 | ++base; |
|
|
612 | } |
|
|
613 | } |
|
|
614 | |
|
|
615 | void inline_speed |
676 | void inline_speed |
616 | fd_event (EV_P_ int fd, int revents) |
677 | fd_event (EV_P_ int fd, int revents) |
617 | { |
678 | { |
618 | ANFD *anfd = anfds + fd; |
679 | ANFD *anfd = anfds + fd; |
619 | ev_io *w; |
680 | ev_io *w; |
… | |
… | |
651 | events |= (unsigned char)w->events; |
712 | events |= (unsigned char)w->events; |
652 | |
713 | |
653 | #if EV_SELECT_IS_WINSOCKET |
714 | #if EV_SELECT_IS_WINSOCKET |
654 | if (events) |
715 | if (events) |
655 | { |
716 | { |
656 | unsigned long argp; |
717 | unsigned long arg; |
657 | #ifdef EV_FD_TO_WIN32_HANDLE |
718 | #ifdef EV_FD_TO_WIN32_HANDLE |
658 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
719 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
659 | #else |
720 | #else |
660 | anfd->handle = _get_osfhandle (fd); |
721 | anfd->handle = _get_osfhandle (fd); |
661 | #endif |
722 | #endif |
662 | assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0)); |
723 | assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); |
663 | } |
724 | } |
664 | #endif |
725 | #endif |
665 | |
726 | |
666 | { |
727 | { |
667 | unsigned char o_events = anfd->events; |
728 | unsigned char o_events = anfd->events; |
… | |
… | |
720 | { |
781 | { |
721 | int fd; |
782 | int fd; |
722 | |
783 | |
723 | for (fd = 0; fd < anfdmax; ++fd) |
784 | for (fd = 0; fd < anfdmax; ++fd) |
724 | if (anfds [fd].events) |
785 | if (anfds [fd].events) |
725 | if (!fd_valid (fd) == -1 && errno == EBADF) |
786 | if (!fd_valid (fd) && errno == EBADF) |
726 | fd_kill (EV_A_ fd); |
787 | fd_kill (EV_A_ fd); |
727 | } |
788 | } |
728 | |
789 | |
729 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
790 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
730 | static void noinline |
791 | static void noinline |
… | |
… | |
748 | |
809 | |
749 | for (fd = 0; fd < anfdmax; ++fd) |
810 | for (fd = 0; fd < anfdmax; ++fd) |
750 | if (anfds [fd].events) |
811 | if (anfds [fd].events) |
751 | { |
812 | { |
752 | anfds [fd].events = 0; |
813 | anfds [fd].events = 0; |
|
|
814 | anfds [fd].emask = 0; |
753 | fd_change (EV_A_ fd, EV_IOFDSET | 1); |
815 | fd_change (EV_A_ fd, EV_IOFDSET | 1); |
754 | } |
816 | } |
755 | } |
817 | } |
756 | |
818 | |
757 | /*****************************************************************************/ |
819 | /*****************************************************************************/ |
758 | |
820 | |
|
|
821 | /* |
|
|
822 | * the heap functions want a real array index. array index 0 uis guaranteed to not |
|
|
823 | * be in-use at any time. the first heap entry is at array [HEAP0]. DHEAP gives |
|
|
824 | * the branching factor of the d-tree. |
|
|
825 | */ |
|
|
826 | |
|
|
827 | /* |
|
|
828 | * at the moment we allow libev the luxury of two heaps, |
|
|
829 | * a small-code-size 2-heap one and a ~1.5kb larger 4-heap |
|
|
830 | * which is more cache-efficient. |
|
|
831 | * the difference is about 5% with 50000+ watchers. |
|
|
832 | */ |
|
|
833 | #if EV_USE_4HEAP |
|
|
834 | |
|
|
835 | #define DHEAP 4 |
|
|
836 | #define HEAP0 (DHEAP - 1) /* index of first element in heap */ |
|
|
837 | #define HPARENT(k) ((((k) - HEAP0 - 1) / DHEAP) + HEAP0) |
|
|
838 | #define UPHEAP_DONE(p,k) ((p) == (k)) |
|
|
839 | |
|
|
840 | /* away from the root */ |
759 | void inline_speed |
841 | void inline_speed |
760 | upheap (WT *heap, int k) |
842 | downheap (ANHE *heap, int N, int k) |
761 | { |
843 | { |
762 | WT w = heap [k]; |
844 | ANHE he = heap [k]; |
|
|
845 | ANHE *E = heap + N + HEAP0; |
763 | |
846 | |
764 | while (k) |
847 | for (;;) |
765 | { |
848 | { |
766 | int p = (k - 1) >> 1; |
849 | ev_tstamp minat; |
|
|
850 | ANHE *minpos; |
|
|
851 | ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0 + 1; |
767 | |
852 | |
768 | if (heap [p]->at <= w->at) |
853 | /* find minimum child */ |
|
|
854 | if (expect_true (pos + DHEAP - 1 < E)) |
|
|
855 | { |
|
|
856 | /* fast path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); |
|
|
857 | if ( ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos)); |
|
|
858 | if ( ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos)); |
|
|
859 | if ( ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos)); |
|
|
860 | } |
|
|
861 | else if (pos < E) |
|
|
862 | { |
|
|
863 | /* slow path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); |
|
|
864 | if (pos + 1 < E && ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos)); |
|
|
865 | if (pos + 2 < E && ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos)); |
|
|
866 | if (pos + 3 < E && ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos)); |
|
|
867 | } |
|
|
868 | else |
769 | break; |
869 | break; |
770 | |
870 | |
|
|
871 | if (ANHE_at (he) <= minat) |
|
|
872 | break; |
|
|
873 | |
|
|
874 | heap [k] = *minpos; |
|
|
875 | ev_active (ANHE_w (*minpos)) = k; |
|
|
876 | |
|
|
877 | k = minpos - heap; |
|
|
878 | } |
|
|
879 | |
|
|
880 | heap [k] = he; |
|
|
881 | ev_active (ANHE_w (he)) = k; |
|
|
882 | } |
|
|
883 | |
|
|
884 | #else /* 4HEAP */ |
|
|
885 | |
|
|
886 | #define HEAP0 1 |
|
|
887 | #define HPARENT(k) ((k) >> 1) |
|
|
888 | #define UPHEAP_DONE(p,k) (!(p)) |
|
|
889 | |
|
|
890 | /* away from the root */ |
|
|
891 | void inline_speed |
|
|
892 | downheap (ANHE *heap, int N, int k) |
|
|
893 | { |
|
|
894 | ANHE he = heap [k]; |
|
|
895 | |
|
|
896 | for (;;) |
|
|
897 | { |
|
|
898 | int c = k << 1; |
|
|
899 | |
|
|
900 | if (c > N + HEAP0 - 1) |
|
|
901 | break; |
|
|
902 | |
|
|
903 | c += c + 1 < N + HEAP0 && ANHE_at (heap [c]) > ANHE_at (heap [c + 1]) |
|
|
904 | ? 1 : 0; |
|
|
905 | |
|
|
906 | if (ANHE_at (he) <= ANHE_at (heap [c])) |
|
|
907 | break; |
|
|
908 | |
|
|
909 | heap [k] = heap [c]; |
|
|
910 | ev_active (ANHE_w (heap [k])) = k; |
|
|
911 | |
|
|
912 | k = c; |
|
|
913 | } |
|
|
914 | |
|
|
915 | heap [k] = he; |
|
|
916 | ev_active (ANHE_w (he)) = k; |
|
|
917 | } |
|
|
918 | #endif |
|
|
919 | |
|
|
920 | /* towards the root */ |
|
|
921 | void inline_speed |
|
|
922 | upheap (ANHE *heap, int k) |
|
|
923 | { |
|
|
924 | ANHE he = heap [k]; |
|
|
925 | |
|
|
926 | for (;;) |
|
|
927 | { |
|
|
928 | int p = HPARENT (k); |
|
|
929 | |
|
|
930 | if (UPHEAP_DONE (p, k) || ANHE_at (heap [p]) <= ANHE_at (he)) |
|
|
931 | break; |
|
|
932 | |
771 | heap [k] = heap [p]; |
933 | heap [k] = heap [p]; |
772 | ((W)heap [k])->active = k + 1; |
934 | ev_active (ANHE_w (heap [k])) = k; |
773 | k = p; |
935 | k = p; |
774 | } |
936 | } |
775 | |
937 | |
776 | heap [k] = w; |
938 | heap [k] = he; |
777 | ((W)heap [k])->active = k + 1; |
939 | ev_active (ANHE_w (he)) = k; |
778 | } |
|
|
779 | |
|
|
780 | void inline_speed |
|
|
781 | downheap (WT *heap, int N, int k) |
|
|
782 | { |
|
|
783 | WT w = heap [k]; |
|
|
784 | |
|
|
785 | for (;;) |
|
|
786 | { |
|
|
787 | int c = (k << 1) + 1; |
|
|
788 | |
|
|
789 | if (c >= N) |
|
|
790 | break; |
|
|
791 | |
|
|
792 | c += c + 1 < N && heap [c]->at > heap [c + 1]->at |
|
|
793 | ? 1 : 0; |
|
|
794 | |
|
|
795 | if (w->at <= heap [c]->at) |
|
|
796 | break; |
|
|
797 | |
|
|
798 | heap [k] = heap [c]; |
|
|
799 | ((W)heap [k])->active = k + 1; |
|
|
800 | |
|
|
801 | k = c; |
|
|
802 | } |
|
|
803 | |
|
|
804 | heap [k] = w; |
|
|
805 | ((W)heap [k])->active = k + 1; |
|
|
806 | } |
940 | } |
807 | |
941 | |
808 | void inline_size |
942 | void inline_size |
809 | adjustheap (WT *heap, int N, int k) |
943 | adjustheap (ANHE *heap, int N, int k) |
810 | { |
944 | { |
|
|
945 | if (k > HEAP0 && ANHE_at (heap [HPARENT (k)]) >= ANHE_at (heap [k])) |
811 | upheap (heap, k); |
946 | upheap (heap, k); |
|
|
947 | else |
812 | downheap (heap, N, k); |
948 | downheap (heap, N, k); |
|
|
949 | } |
|
|
950 | |
|
|
951 | /* rebuild the heap: this function is used only once and executed rarely */ |
|
|
952 | void inline_size |
|
|
953 | reheap (ANHE *heap, int N) |
|
|
954 | { |
|
|
955 | int i; |
|
|
956 | |
|
|
957 | /* we don't use floyds algorithm, upheap is simpler and is more cache-efficient */ |
|
|
958 | /* also, this is easy to implement and correct for both 2-heaps and 4-heaps */ |
|
|
959 | for (i = 0; i < N; ++i) |
|
|
960 | upheap (heap, i + HEAP0); |
813 | } |
961 | } |
814 | |
962 | |
815 | /*****************************************************************************/ |
963 | /*****************************************************************************/ |
816 | |
964 | |
817 | typedef struct |
965 | typedef struct |
… | |
… | |
823 | static ANSIG *signals; |
971 | static ANSIG *signals; |
824 | static int signalmax; |
972 | static int signalmax; |
825 | |
973 | |
826 | static EV_ATOMIC_T gotsig; |
974 | static EV_ATOMIC_T gotsig; |
827 | |
975 | |
828 | void inline_size |
|
|
829 | signals_init (ANSIG *base, int count) |
|
|
830 | { |
|
|
831 | while (count--) |
|
|
832 | { |
|
|
833 | base->head = 0; |
|
|
834 | base->gotsig = 0; |
|
|
835 | |
|
|
836 | ++base; |
|
|
837 | } |
|
|
838 | } |
|
|
839 | |
|
|
840 | /*****************************************************************************/ |
976 | /*****************************************************************************/ |
841 | |
977 | |
842 | void inline_speed |
978 | void inline_speed |
843 | fd_intern (int fd) |
979 | fd_intern (int fd) |
844 | { |
980 | { |
845 | #ifdef _WIN32 |
981 | #ifdef _WIN32 |
846 | int arg = 1; |
982 | unsigned long arg = 1; |
847 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
983 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
848 | #else |
984 | #else |
849 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
985 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
850 | fcntl (fd, F_SETFL, O_NONBLOCK); |
986 | fcntl (fd, F_SETFL, O_NONBLOCK); |
851 | #endif |
987 | #endif |
… | |
… | |
865 | } |
1001 | } |
866 | else |
1002 | else |
867 | #endif |
1003 | #endif |
868 | { |
1004 | { |
869 | while (pipe (evpipe)) |
1005 | while (pipe (evpipe)) |
870 | syserr ("(libev) error creating signal/async pipe"); |
1006 | ev_syserr ("(libev) error creating signal/async pipe"); |
871 | |
1007 | |
872 | fd_intern (evpipe [0]); |
1008 | fd_intern (evpipe [0]); |
873 | fd_intern (evpipe [1]); |
1009 | fd_intern (evpipe [1]); |
874 | ev_io_set (&pipeev, evpipe [0], EV_READ); |
1010 | ev_io_set (&pipeev, evpipe [0], EV_READ); |
875 | } |
1011 | } |
… | |
… | |
906 | pipecb (EV_P_ ev_io *iow, int revents) |
1042 | pipecb (EV_P_ ev_io *iow, int revents) |
907 | { |
1043 | { |
908 | #if EV_USE_EVENTFD |
1044 | #if EV_USE_EVENTFD |
909 | if (evfd >= 0) |
1045 | if (evfd >= 0) |
910 | { |
1046 | { |
911 | uint64_t counter = 1; |
1047 | uint64_t counter; |
912 | read (evfd, &counter, sizeof (uint64_t)); |
1048 | read (evfd, &counter, sizeof (uint64_t)); |
913 | } |
1049 | } |
914 | else |
1050 | else |
915 | #endif |
1051 | #endif |
916 | { |
1052 | { |
… | |
… | |
1185 | if (!(flags & EVFLAG_NOENV) |
1321 | if (!(flags & EVFLAG_NOENV) |
1186 | && !enable_secure () |
1322 | && !enable_secure () |
1187 | && getenv ("LIBEV_FLAGS")) |
1323 | && getenv ("LIBEV_FLAGS")) |
1188 | flags = atoi (getenv ("LIBEV_FLAGS")); |
1324 | flags = atoi (getenv ("LIBEV_FLAGS")); |
1189 | |
1325 | |
1190 | if (!(flags & 0x0000ffffUL)) |
1326 | if (!(flags & 0x0000ffffU)) |
1191 | flags |= ev_recommended_backends (); |
1327 | flags |= ev_recommended_backends (); |
1192 | |
1328 | |
1193 | #if EV_USE_PORT |
1329 | #if EV_USE_PORT |
1194 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
1330 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
1195 | #endif |
1331 | #endif |
… | |
… | |
1283 | #endif |
1419 | #endif |
1284 | |
1420 | |
1285 | backend = 0; |
1421 | backend = 0; |
1286 | } |
1422 | } |
1287 | |
1423 | |
|
|
1424 | #if EV_USE_INOTIFY |
1288 | void inline_size infy_fork (EV_P); |
1425 | void inline_size infy_fork (EV_P); |
|
|
1426 | #endif |
1289 | |
1427 | |
1290 | void inline_size |
1428 | void inline_size |
1291 | loop_fork (EV_P) |
1429 | loop_fork (EV_P) |
1292 | { |
1430 | { |
1293 | #if EV_USE_PORT |
1431 | #if EV_USE_PORT |
… | |
… | |
1333 | |
1471 | |
1334 | postfork = 0; |
1472 | postfork = 0; |
1335 | } |
1473 | } |
1336 | |
1474 | |
1337 | #if EV_MULTIPLICITY |
1475 | #if EV_MULTIPLICITY |
|
|
1476 | |
1338 | struct ev_loop * |
1477 | struct ev_loop * |
1339 | ev_loop_new (unsigned int flags) |
1478 | ev_loop_new (unsigned int flags) |
1340 | { |
1479 | { |
1341 | struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
1480 | struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
1342 | |
1481 | |
… | |
… | |
1361 | ev_loop_fork (EV_P) |
1500 | ev_loop_fork (EV_P) |
1362 | { |
1501 | { |
1363 | postfork = 1; /* must be in line with ev_default_fork */ |
1502 | postfork = 1; /* must be in line with ev_default_fork */ |
1364 | } |
1503 | } |
1365 | |
1504 | |
|
|
1505 | #if EV_VERIFY |
|
|
1506 | static void noinline |
|
|
1507 | verify_watcher (EV_P_ W w) |
|
|
1508 | { |
|
|
1509 | assert (("watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
|
|
1510 | |
|
|
1511 | if (w->pending) |
|
|
1512 | assert (("pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
|
|
1513 | } |
|
|
1514 | |
|
|
1515 | static void noinline |
|
|
1516 | verify_heap (EV_P_ ANHE *heap, int N) |
|
|
1517 | { |
|
|
1518 | int i; |
|
|
1519 | |
|
|
1520 | for (i = HEAP0; i < N + HEAP0; ++i) |
|
|
1521 | { |
|
|
1522 | assert (("active index mismatch in heap", ev_active (ANHE_w (heap [i])) == i)); |
|
|
1523 | assert (("heap condition violated", i == HEAP0 || ANHE_at (heap [HPARENT (i)]) <= ANHE_at (heap [i]))); |
|
|
1524 | assert (("heap at cache mismatch", ANHE_at (heap [i]) == ev_at (ANHE_w (heap [i])))); |
|
|
1525 | |
|
|
1526 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
|
|
1527 | } |
|
|
1528 | } |
|
|
1529 | |
|
|
1530 | static void noinline |
|
|
1531 | array_verify (EV_P_ W *ws, int cnt) |
|
|
1532 | { |
|
|
1533 | while (cnt--) |
|
|
1534 | { |
|
|
1535 | assert (("active index mismatch", ev_active (ws [cnt]) == cnt + 1)); |
|
|
1536 | verify_watcher (EV_A_ ws [cnt]); |
|
|
1537 | } |
|
|
1538 | } |
|
|
1539 | #endif |
|
|
1540 | |
|
|
1541 | void |
|
|
1542 | ev_loop_verify (EV_P) |
|
|
1543 | { |
|
|
1544 | #if EV_VERIFY |
|
|
1545 | int i; |
|
|
1546 | WL w; |
|
|
1547 | |
|
|
1548 | assert (activecnt >= -1); |
|
|
1549 | |
|
|
1550 | assert (fdchangemax >= fdchangecnt); |
|
|
1551 | for (i = 0; i < fdchangecnt; ++i) |
|
|
1552 | assert (("negative fd in fdchanges", fdchanges [i] >= 0)); |
|
|
1553 | |
|
|
1554 | assert (anfdmax >= 0); |
|
|
1555 | for (i = 0; i < anfdmax; ++i) |
|
|
1556 | for (w = anfds [i].head; w; w = w->next) |
|
|
1557 | { |
|
|
1558 | verify_watcher (EV_A_ (W)w); |
|
|
1559 | assert (("inactive fd watcher on anfd list", ev_active (w) == 1)); |
|
|
1560 | assert (("fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i)); |
|
|
1561 | } |
|
|
1562 | |
|
|
1563 | assert (timermax >= timercnt); |
|
|
1564 | verify_heap (EV_A_ timers, timercnt); |
|
|
1565 | |
|
|
1566 | #if EV_PERIODIC_ENABLE |
|
|
1567 | assert (periodicmax >= periodiccnt); |
|
|
1568 | verify_heap (EV_A_ periodics, periodiccnt); |
|
|
1569 | #endif |
|
|
1570 | |
|
|
1571 | for (i = NUMPRI; i--; ) |
|
|
1572 | { |
|
|
1573 | assert (pendingmax [i] >= pendingcnt [i]); |
|
|
1574 | #if EV_IDLE_ENABLE |
|
|
1575 | assert (idleall >= 0); |
|
|
1576 | assert (idlemax [i] >= idlecnt [i]); |
|
|
1577 | array_verify (EV_A_ (W *)idles [i], idlecnt [i]); |
|
|
1578 | #endif |
|
|
1579 | } |
|
|
1580 | |
|
|
1581 | #if EV_FORK_ENABLE |
|
|
1582 | assert (forkmax >= forkcnt); |
|
|
1583 | array_verify (EV_A_ (W *)forks, forkcnt); |
|
|
1584 | #endif |
|
|
1585 | |
|
|
1586 | #if EV_ASYNC_ENABLE |
|
|
1587 | assert (asyncmax >= asynccnt); |
|
|
1588 | array_verify (EV_A_ (W *)asyncs, asynccnt); |
|
|
1589 | #endif |
|
|
1590 | |
|
|
1591 | assert (preparemax >= preparecnt); |
|
|
1592 | array_verify (EV_A_ (W *)prepares, preparecnt); |
|
|
1593 | |
|
|
1594 | assert (checkmax >= checkcnt); |
|
|
1595 | array_verify (EV_A_ (W *)checks, checkcnt); |
|
|
1596 | |
|
|
1597 | # if 0 |
|
|
1598 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
|
|
1599 | for (signum = signalmax; signum--; ) if (signals [signum].gotsig) |
1366 | #endif |
1600 | # endif |
|
|
1601 | #endif |
|
|
1602 | } |
|
|
1603 | |
|
|
1604 | #endif /* multiplicity */ |
1367 | |
1605 | |
1368 | #if EV_MULTIPLICITY |
1606 | #if EV_MULTIPLICITY |
1369 | struct ev_loop * |
1607 | struct ev_loop * |
1370 | ev_default_loop_init (unsigned int flags) |
1608 | ev_default_loop_init (unsigned int flags) |
1371 | #else |
1609 | #else |
… | |
… | |
1404 | { |
1642 | { |
1405 | #if EV_MULTIPLICITY |
1643 | #if EV_MULTIPLICITY |
1406 | struct ev_loop *loop = ev_default_loop_ptr; |
1644 | struct ev_loop *loop = ev_default_loop_ptr; |
1407 | #endif |
1645 | #endif |
1408 | |
1646 | |
|
|
1647 | ev_default_loop_ptr = 0; |
|
|
1648 | |
1409 | #ifndef _WIN32 |
1649 | #ifndef _WIN32 |
1410 | ev_ref (EV_A); /* child watcher */ |
1650 | ev_ref (EV_A); /* child watcher */ |
1411 | ev_signal_stop (EV_A_ &childev); |
1651 | ev_signal_stop (EV_A_ &childev); |
1412 | #endif |
1652 | #endif |
1413 | |
1653 | |
… | |
… | |
1419 | { |
1659 | { |
1420 | #if EV_MULTIPLICITY |
1660 | #if EV_MULTIPLICITY |
1421 | struct ev_loop *loop = ev_default_loop_ptr; |
1661 | struct ev_loop *loop = ev_default_loop_ptr; |
1422 | #endif |
1662 | #endif |
1423 | |
1663 | |
1424 | if (backend) |
|
|
1425 | postfork = 1; /* must be in line with ev_loop_fork */ |
1664 | postfork = 1; /* must be in line with ev_loop_fork */ |
1426 | } |
1665 | } |
1427 | |
1666 | |
1428 | /*****************************************************************************/ |
1667 | /*****************************************************************************/ |
1429 | |
1668 | |
1430 | void |
1669 | void |
… | |
… | |
1447 | { |
1686 | { |
1448 | /*assert (("non-pending watcher on pending list", p->w->pending));*/ |
1687 | /*assert (("non-pending watcher on pending list", p->w->pending));*/ |
1449 | |
1688 | |
1450 | p->w->pending = 0; |
1689 | p->w->pending = 0; |
1451 | EV_CB_INVOKE (p->w, p->events); |
1690 | EV_CB_INVOKE (p->w, p->events); |
|
|
1691 | EV_FREQUENT_CHECK; |
1452 | } |
1692 | } |
1453 | } |
1693 | } |
1454 | } |
1694 | } |
1455 | |
|
|
1456 | void inline_size |
|
|
1457 | timers_reify (EV_P) |
|
|
1458 | { |
|
|
1459 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
|
|
1460 | { |
|
|
1461 | ev_timer *w = (ev_timer *)timers [0]; |
|
|
1462 | |
|
|
1463 | /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/ |
|
|
1464 | |
|
|
1465 | /* first reschedule or stop timer */ |
|
|
1466 | if (w->repeat) |
|
|
1467 | { |
|
|
1468 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
|
|
1469 | |
|
|
1470 | ((WT)w)->at += w->repeat; |
|
|
1471 | if (((WT)w)->at < mn_now) |
|
|
1472 | ((WT)w)->at = mn_now; |
|
|
1473 | |
|
|
1474 | downheap (timers, timercnt, 0); |
|
|
1475 | } |
|
|
1476 | else |
|
|
1477 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1478 | |
|
|
1479 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
|
|
1480 | } |
|
|
1481 | } |
|
|
1482 | |
|
|
1483 | #if EV_PERIODIC_ENABLE |
|
|
1484 | void inline_size |
|
|
1485 | periodics_reify (EV_P) |
|
|
1486 | { |
|
|
1487 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
|
|
1488 | { |
|
|
1489 | ev_periodic *w = (ev_periodic *)periodics [0]; |
|
|
1490 | |
|
|
1491 | /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ |
|
|
1492 | |
|
|
1493 | /* first reschedule or stop timer */ |
|
|
1494 | if (w->reschedule_cb) |
|
|
1495 | { |
|
|
1496 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + TIME_EPSILON); |
|
|
1497 | assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now)); |
|
|
1498 | downheap (periodics, periodiccnt, 0); |
|
|
1499 | } |
|
|
1500 | else if (w->interval) |
|
|
1501 | { |
|
|
1502 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1503 | if (((WT)w)->at - ev_rt_now <= TIME_EPSILON) ((WT)w)->at += w->interval; |
|
|
1504 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now)); |
|
|
1505 | downheap (periodics, periodiccnt, 0); |
|
|
1506 | } |
|
|
1507 | else |
|
|
1508 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1509 | |
|
|
1510 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
|
|
1511 | } |
|
|
1512 | } |
|
|
1513 | |
|
|
1514 | static void noinline |
|
|
1515 | periodics_reschedule (EV_P) |
|
|
1516 | { |
|
|
1517 | int i; |
|
|
1518 | |
|
|
1519 | /* adjust periodics after time jump */ |
|
|
1520 | for (i = 0; i < periodiccnt; ++i) |
|
|
1521 | { |
|
|
1522 | ev_periodic *w = (ev_periodic *)periodics [i]; |
|
|
1523 | |
|
|
1524 | if (w->reschedule_cb) |
|
|
1525 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
|
|
1526 | else if (w->interval) |
|
|
1527 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1528 | } |
|
|
1529 | |
|
|
1530 | /* now rebuild the heap */ |
|
|
1531 | for (i = periodiccnt >> 1; i--; ) |
|
|
1532 | downheap (periodics, periodiccnt, i); |
|
|
1533 | } |
|
|
1534 | #endif |
|
|
1535 | |
1695 | |
1536 | #if EV_IDLE_ENABLE |
1696 | #if EV_IDLE_ENABLE |
1537 | void inline_size |
1697 | void inline_size |
1538 | idle_reify (EV_P) |
1698 | idle_reify (EV_P) |
1539 | { |
1699 | { |
… | |
… | |
1551 | queue_events (EV_A_ (W *)idles [pri], idlecnt [pri], EV_IDLE); |
1711 | queue_events (EV_A_ (W *)idles [pri], idlecnt [pri], EV_IDLE); |
1552 | break; |
1712 | break; |
1553 | } |
1713 | } |
1554 | } |
1714 | } |
1555 | } |
1715 | } |
|
|
1716 | } |
|
|
1717 | #endif |
|
|
1718 | |
|
|
1719 | void inline_size |
|
|
1720 | timers_reify (EV_P) |
|
|
1721 | { |
|
|
1722 | EV_FREQUENT_CHECK; |
|
|
1723 | |
|
|
1724 | while (timercnt && ANHE_at (timers [HEAP0]) < mn_now) |
|
|
1725 | { |
|
|
1726 | ev_timer *w = (ev_timer *)ANHE_w (timers [HEAP0]); |
|
|
1727 | |
|
|
1728 | /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/ |
|
|
1729 | |
|
|
1730 | /* first reschedule or stop timer */ |
|
|
1731 | if (w->repeat) |
|
|
1732 | { |
|
|
1733 | ev_at (w) += w->repeat; |
|
|
1734 | if (ev_at (w) < mn_now) |
|
|
1735 | ev_at (w) = mn_now; |
|
|
1736 | |
|
|
1737 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
|
|
1738 | |
|
|
1739 | ANHE_at_cache (timers [HEAP0]); |
|
|
1740 | downheap (timers, timercnt, HEAP0); |
|
|
1741 | } |
|
|
1742 | else |
|
|
1743 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1744 | |
|
|
1745 | EV_FREQUENT_CHECK; |
|
|
1746 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
|
|
1747 | } |
|
|
1748 | } |
|
|
1749 | |
|
|
1750 | #if EV_PERIODIC_ENABLE |
|
|
1751 | void inline_size |
|
|
1752 | periodics_reify (EV_P) |
|
|
1753 | { |
|
|
1754 | EV_FREQUENT_CHECK; |
|
|
1755 | |
|
|
1756 | while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now) |
|
|
1757 | { |
|
|
1758 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]); |
|
|
1759 | |
|
|
1760 | /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ |
|
|
1761 | |
|
|
1762 | /* first reschedule or stop timer */ |
|
|
1763 | if (w->reschedule_cb) |
|
|
1764 | { |
|
|
1765 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
|
|
1766 | |
|
|
1767 | assert (("ev_periodic reschedule callback returned time in the past", ev_at (w) >= ev_rt_now)); |
|
|
1768 | |
|
|
1769 | ANHE_at_cache (periodics [HEAP0]); |
|
|
1770 | downheap (periodics, periodiccnt, HEAP0); |
|
|
1771 | } |
|
|
1772 | else if (w->interval) |
|
|
1773 | { |
|
|
1774 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1775 | /* if next trigger time is not sufficiently in the future, put it there */ |
|
|
1776 | /* this might happen because of floating point inexactness */ |
|
|
1777 | if (ev_at (w) - ev_rt_now < TIME_EPSILON) |
|
|
1778 | { |
|
|
1779 | ev_at (w) += w->interval; |
|
|
1780 | |
|
|
1781 | /* if interval is unreasonably low we might still have a time in the past */ |
|
|
1782 | /* so correct this. this will make the periodic very inexact, but the user */ |
|
|
1783 | /* has effectively asked to get triggered more often than possible */ |
|
|
1784 | if (ev_at (w) < ev_rt_now) |
|
|
1785 | ev_at (w) = ev_rt_now; |
|
|
1786 | } |
|
|
1787 | |
|
|
1788 | ANHE_at_cache (periodics [HEAP0]); |
|
|
1789 | downheap (periodics, periodiccnt, HEAP0); |
|
|
1790 | } |
|
|
1791 | else |
|
|
1792 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1793 | |
|
|
1794 | EV_FREQUENT_CHECK; |
|
|
1795 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
|
|
1796 | } |
|
|
1797 | } |
|
|
1798 | |
|
|
1799 | static void noinline |
|
|
1800 | periodics_reschedule (EV_P) |
|
|
1801 | { |
|
|
1802 | int i; |
|
|
1803 | |
|
|
1804 | /* adjust periodics after time jump */ |
|
|
1805 | for (i = HEAP0; i < periodiccnt + HEAP0; ++i) |
|
|
1806 | { |
|
|
1807 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [i]); |
|
|
1808 | |
|
|
1809 | if (w->reschedule_cb) |
|
|
1810 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
|
|
1811 | else if (w->interval) |
|
|
1812 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1813 | |
|
|
1814 | ANHE_at_cache (periodics [i]); |
|
|
1815 | } |
|
|
1816 | |
|
|
1817 | reheap (periodics, periodiccnt); |
1556 | } |
1818 | } |
1557 | #endif |
1819 | #endif |
1558 | |
1820 | |
1559 | void inline_speed |
1821 | void inline_speed |
1560 | time_update (EV_P_ ev_tstamp max_block) |
1822 | time_update (EV_P_ ev_tstamp max_block) |
… | |
… | |
1589 | */ |
1851 | */ |
1590 | for (i = 4; --i; ) |
1852 | for (i = 4; --i; ) |
1591 | { |
1853 | { |
1592 | rtmn_diff = ev_rt_now - mn_now; |
1854 | rtmn_diff = ev_rt_now - mn_now; |
1593 | |
1855 | |
1594 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
1856 | if (expect_true (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)) |
1595 | return; /* all is well */ |
1857 | return; /* all is well */ |
1596 | |
1858 | |
1597 | ev_rt_now = ev_time (); |
1859 | ev_rt_now = ev_time (); |
1598 | mn_now = get_clock (); |
1860 | mn_now = get_clock (); |
1599 | now_floor = mn_now; |
1861 | now_floor = mn_now; |
… | |
… | |
1615 | #if EV_PERIODIC_ENABLE |
1877 | #if EV_PERIODIC_ENABLE |
1616 | periodics_reschedule (EV_A); |
1878 | periodics_reschedule (EV_A); |
1617 | #endif |
1879 | #endif |
1618 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
1880 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
1619 | for (i = 0; i < timercnt; ++i) |
1881 | for (i = 0; i < timercnt; ++i) |
|
|
1882 | { |
|
|
1883 | ANHE *he = timers + i + HEAP0; |
1620 | ((WT)timers [i])->at += ev_rt_now - mn_now; |
1884 | ANHE_w (*he)->at += ev_rt_now - mn_now; |
|
|
1885 | ANHE_at_cache (*he); |
|
|
1886 | } |
1621 | } |
1887 | } |
1622 | |
1888 | |
1623 | mn_now = ev_rt_now; |
1889 | mn_now = ev_rt_now; |
1624 | } |
1890 | } |
1625 | } |
1891 | } |
… | |
… | |
1634 | ev_unref (EV_P) |
1900 | ev_unref (EV_P) |
1635 | { |
1901 | { |
1636 | --activecnt; |
1902 | --activecnt; |
1637 | } |
1903 | } |
1638 | |
1904 | |
|
|
1905 | void |
|
|
1906 | ev_now_update (EV_P) |
|
|
1907 | { |
|
|
1908 | time_update (EV_A_ 1e100); |
|
|
1909 | } |
|
|
1910 | |
1639 | static int loop_done; |
1911 | static int loop_done; |
1640 | |
1912 | |
1641 | void |
1913 | void |
1642 | ev_loop (EV_P_ int flags) |
1914 | ev_loop (EV_P_ int flags) |
1643 | { |
1915 | { |
… | |
… | |
1645 | |
1917 | |
1646 | call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */ |
1918 | call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */ |
1647 | |
1919 | |
1648 | do |
1920 | do |
1649 | { |
1921 | { |
|
|
1922 | #if EV_VERIFY >= 2 |
|
|
1923 | ev_loop_verify (EV_A); |
|
|
1924 | #endif |
|
|
1925 | |
1650 | #ifndef _WIN32 |
1926 | #ifndef _WIN32 |
1651 | if (expect_false (curpid)) /* penalise the forking check even more */ |
1927 | if (expect_false (curpid)) /* penalise the forking check even more */ |
1652 | if (expect_false (getpid () != curpid)) |
1928 | if (expect_false (getpid () != curpid)) |
1653 | { |
1929 | { |
1654 | curpid = getpid (); |
1930 | curpid = getpid (); |
… | |
… | |
1695 | |
1971 | |
1696 | waittime = MAX_BLOCKTIME; |
1972 | waittime = MAX_BLOCKTIME; |
1697 | |
1973 | |
1698 | if (timercnt) |
1974 | if (timercnt) |
1699 | { |
1975 | { |
1700 | ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge; |
1976 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge; |
1701 | if (waittime > to) waittime = to; |
1977 | if (waittime > to) waittime = to; |
1702 | } |
1978 | } |
1703 | |
1979 | |
1704 | #if EV_PERIODIC_ENABLE |
1980 | #if EV_PERIODIC_ENABLE |
1705 | if (periodiccnt) |
1981 | if (periodiccnt) |
1706 | { |
1982 | { |
1707 | ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + backend_fudge; |
1983 | ev_tstamp to = ANHE_at (periodics [HEAP0]) - ev_rt_now + backend_fudge; |
1708 | if (waittime > to) waittime = to; |
1984 | if (waittime > to) waittime = to; |
1709 | } |
1985 | } |
1710 | #endif |
1986 | #endif |
1711 | |
1987 | |
1712 | if (expect_false (waittime < timeout_blocktime)) |
1988 | if (expect_false (waittime < timeout_blocktime)) |
… | |
… | |
1848 | |
2124 | |
1849 | if (expect_false (ev_is_active (w))) |
2125 | if (expect_false (ev_is_active (w))) |
1850 | return; |
2126 | return; |
1851 | |
2127 | |
1852 | assert (("ev_io_start called with negative fd", fd >= 0)); |
2128 | assert (("ev_io_start called with negative fd", fd >= 0)); |
|
|
2129 | assert (("ev_io start called with illegal event mask", !(w->events & ~(EV_IOFDSET | EV_READ | EV_WRITE)))); |
|
|
2130 | |
|
|
2131 | EV_FREQUENT_CHECK; |
1853 | |
2132 | |
1854 | ev_start (EV_A_ (W)w, 1); |
2133 | ev_start (EV_A_ (W)w, 1); |
1855 | array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init); |
2134 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
1856 | wlist_add (&anfds[fd].head, (WL)w); |
2135 | wlist_add (&anfds[fd].head, (WL)w); |
1857 | |
2136 | |
1858 | fd_change (EV_A_ fd, w->events & EV_IOFDSET | 1); |
2137 | fd_change (EV_A_ fd, w->events & EV_IOFDSET | 1); |
1859 | w->events &= ~EV_IOFDSET; |
2138 | w->events &= ~EV_IOFDSET; |
|
|
2139 | |
|
|
2140 | EV_FREQUENT_CHECK; |
1860 | } |
2141 | } |
1861 | |
2142 | |
1862 | void noinline |
2143 | void noinline |
1863 | ev_io_stop (EV_P_ ev_io *w) |
2144 | ev_io_stop (EV_P_ ev_io *w) |
1864 | { |
2145 | { |
1865 | clear_pending (EV_A_ (W)w); |
2146 | clear_pending (EV_A_ (W)w); |
1866 | if (expect_false (!ev_is_active (w))) |
2147 | if (expect_false (!ev_is_active (w))) |
1867 | return; |
2148 | return; |
1868 | |
2149 | |
1869 | assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
2150 | assert (("ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
|
|
2151 | |
|
|
2152 | EV_FREQUENT_CHECK; |
1870 | |
2153 | |
1871 | wlist_del (&anfds[w->fd].head, (WL)w); |
2154 | wlist_del (&anfds[w->fd].head, (WL)w); |
1872 | ev_stop (EV_A_ (W)w); |
2155 | ev_stop (EV_A_ (W)w); |
1873 | |
2156 | |
1874 | fd_change (EV_A_ w->fd, 1); |
2157 | fd_change (EV_A_ w->fd, 1); |
|
|
2158 | |
|
|
2159 | EV_FREQUENT_CHECK; |
1875 | } |
2160 | } |
1876 | |
2161 | |
1877 | void noinline |
2162 | void noinline |
1878 | ev_timer_start (EV_P_ ev_timer *w) |
2163 | ev_timer_start (EV_P_ ev_timer *w) |
1879 | { |
2164 | { |
1880 | if (expect_false (ev_is_active (w))) |
2165 | if (expect_false (ev_is_active (w))) |
1881 | return; |
2166 | return; |
1882 | |
2167 | |
1883 | ((WT)w)->at += mn_now; |
2168 | ev_at (w) += mn_now; |
1884 | |
2169 | |
1885 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
2170 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1886 | |
2171 | |
|
|
2172 | EV_FREQUENT_CHECK; |
|
|
2173 | |
|
|
2174 | ++timercnt; |
1887 | ev_start (EV_A_ (W)w, ++timercnt); |
2175 | ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1); |
1888 | array_needsize (WT, timers, timermax, timercnt, EMPTY2); |
2176 | array_needsize (ANHE, timers, timermax, ev_active (w) + 1, EMPTY2); |
1889 | timers [timercnt - 1] = (WT)w; |
2177 | ANHE_w (timers [ev_active (w)]) = (WT)w; |
1890 | upheap (timers, timercnt - 1); |
2178 | ANHE_at_cache (timers [ev_active (w)]); |
|
|
2179 | upheap (timers, ev_active (w)); |
1891 | |
2180 | |
|
|
2181 | EV_FREQUENT_CHECK; |
|
|
2182 | |
1892 | /*assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));*/ |
2183 | /*assert (("internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
1893 | } |
2184 | } |
1894 | |
2185 | |
1895 | void noinline |
2186 | void noinline |
1896 | ev_timer_stop (EV_P_ ev_timer *w) |
2187 | ev_timer_stop (EV_P_ ev_timer *w) |
1897 | { |
2188 | { |
1898 | clear_pending (EV_A_ (W)w); |
2189 | clear_pending (EV_A_ (W)w); |
1899 | if (expect_false (!ev_is_active (w))) |
2190 | if (expect_false (!ev_is_active (w))) |
1900 | return; |
2191 | return; |
1901 | |
2192 | |
1902 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == (WT)w)); |
2193 | EV_FREQUENT_CHECK; |
1903 | |
2194 | |
1904 | { |
2195 | { |
1905 | int active = ((W)w)->active; |
2196 | int active = ev_active (w); |
1906 | |
2197 | |
|
|
2198 | assert (("internal timer heap corruption", ANHE_w (timers [active]) == (WT)w)); |
|
|
2199 | |
|
|
2200 | --timercnt; |
|
|
2201 | |
1907 | if (expect_true (--active < --timercnt)) |
2202 | if (expect_true (active < timercnt + HEAP0)) |
1908 | { |
2203 | { |
1909 | timers [active] = timers [timercnt]; |
2204 | timers [active] = timers [timercnt + HEAP0]; |
1910 | adjustheap (timers, timercnt, active); |
2205 | adjustheap (timers, timercnt, active); |
1911 | } |
2206 | } |
1912 | } |
2207 | } |
1913 | |
2208 | |
1914 | ((WT)w)->at -= mn_now; |
2209 | EV_FREQUENT_CHECK; |
|
|
2210 | |
|
|
2211 | ev_at (w) -= mn_now; |
1915 | |
2212 | |
1916 | ev_stop (EV_A_ (W)w); |
2213 | ev_stop (EV_A_ (W)w); |
1917 | } |
2214 | } |
1918 | |
2215 | |
1919 | void noinline |
2216 | void noinline |
1920 | ev_timer_again (EV_P_ ev_timer *w) |
2217 | ev_timer_again (EV_P_ ev_timer *w) |
1921 | { |
2218 | { |
|
|
2219 | EV_FREQUENT_CHECK; |
|
|
2220 | |
1922 | if (ev_is_active (w)) |
2221 | if (ev_is_active (w)) |
1923 | { |
2222 | { |
1924 | if (w->repeat) |
2223 | if (w->repeat) |
1925 | { |
2224 | { |
1926 | ((WT)w)->at = mn_now + w->repeat; |
2225 | ev_at (w) = mn_now + w->repeat; |
|
|
2226 | ANHE_at_cache (timers [ev_active (w)]); |
1927 | adjustheap (timers, timercnt, ((W)w)->active - 1); |
2227 | adjustheap (timers, timercnt, ev_active (w)); |
1928 | } |
2228 | } |
1929 | else |
2229 | else |
1930 | ev_timer_stop (EV_A_ w); |
2230 | ev_timer_stop (EV_A_ w); |
1931 | } |
2231 | } |
1932 | else if (w->repeat) |
2232 | else if (w->repeat) |
1933 | { |
2233 | { |
1934 | w->at = w->repeat; |
2234 | ev_at (w) = w->repeat; |
1935 | ev_timer_start (EV_A_ w); |
2235 | ev_timer_start (EV_A_ w); |
1936 | } |
2236 | } |
|
|
2237 | |
|
|
2238 | EV_FREQUENT_CHECK; |
1937 | } |
2239 | } |
1938 | |
2240 | |
1939 | #if EV_PERIODIC_ENABLE |
2241 | #if EV_PERIODIC_ENABLE |
1940 | void noinline |
2242 | void noinline |
1941 | ev_periodic_start (EV_P_ ev_periodic *w) |
2243 | ev_periodic_start (EV_P_ ev_periodic *w) |
1942 | { |
2244 | { |
1943 | if (expect_false (ev_is_active (w))) |
2245 | if (expect_false (ev_is_active (w))) |
1944 | return; |
2246 | return; |
1945 | |
2247 | |
1946 | if (w->reschedule_cb) |
2248 | if (w->reschedule_cb) |
1947 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
2249 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
1948 | else if (w->interval) |
2250 | else if (w->interval) |
1949 | { |
2251 | { |
1950 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
2252 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
1951 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
2253 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1952 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
2254 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
1953 | } |
2255 | } |
1954 | else |
2256 | else |
1955 | ((WT)w)->at = w->offset; |
2257 | ev_at (w) = w->offset; |
1956 | |
2258 | |
|
|
2259 | EV_FREQUENT_CHECK; |
|
|
2260 | |
|
|
2261 | ++periodiccnt; |
1957 | ev_start (EV_A_ (W)w, ++periodiccnt); |
2262 | ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1); |
1958 | array_needsize (WT, periodics, periodicmax, periodiccnt, EMPTY2); |
2263 | array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, EMPTY2); |
1959 | periodics [periodiccnt - 1] = (WT)w; |
2264 | ANHE_w (periodics [ev_active (w)]) = (WT)w; |
1960 | upheap (periodics, periodiccnt - 1); |
2265 | ANHE_at_cache (periodics [ev_active (w)]); |
|
|
2266 | upheap (periodics, ev_active (w)); |
1961 | |
2267 | |
|
|
2268 | EV_FREQUENT_CHECK; |
|
|
2269 | |
1962 | /*assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));*/ |
2270 | /*assert (("internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
1963 | } |
2271 | } |
1964 | |
2272 | |
1965 | void noinline |
2273 | void noinline |
1966 | ev_periodic_stop (EV_P_ ev_periodic *w) |
2274 | ev_periodic_stop (EV_P_ ev_periodic *w) |
1967 | { |
2275 | { |
1968 | clear_pending (EV_A_ (W)w); |
2276 | clear_pending (EV_A_ (W)w); |
1969 | if (expect_false (!ev_is_active (w))) |
2277 | if (expect_false (!ev_is_active (w))) |
1970 | return; |
2278 | return; |
1971 | |
2279 | |
1972 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == (WT)w)); |
2280 | EV_FREQUENT_CHECK; |
1973 | |
2281 | |
1974 | { |
2282 | { |
1975 | int active = ((W)w)->active; |
2283 | int active = ev_active (w); |
1976 | |
2284 | |
|
|
2285 | assert (("internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w)); |
|
|
2286 | |
|
|
2287 | --periodiccnt; |
|
|
2288 | |
1977 | if (expect_true (--active < --periodiccnt)) |
2289 | if (expect_true (active < periodiccnt + HEAP0)) |
1978 | { |
2290 | { |
1979 | periodics [active] = periodics [periodiccnt]; |
2291 | periodics [active] = periodics [periodiccnt + HEAP0]; |
1980 | adjustheap (periodics, periodiccnt, active); |
2292 | adjustheap (periodics, periodiccnt, active); |
1981 | } |
2293 | } |
1982 | } |
2294 | } |
1983 | |
2295 | |
|
|
2296 | EV_FREQUENT_CHECK; |
|
|
2297 | |
1984 | ev_stop (EV_A_ (W)w); |
2298 | ev_stop (EV_A_ (W)w); |
1985 | } |
2299 | } |
1986 | |
2300 | |
1987 | void noinline |
2301 | void noinline |
1988 | ev_periodic_again (EV_P_ ev_periodic *w) |
2302 | ev_periodic_again (EV_P_ ev_periodic *w) |
… | |
… | |
2007 | return; |
2321 | return; |
2008 | |
2322 | |
2009 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
2323 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
2010 | |
2324 | |
2011 | evpipe_init (EV_A); |
2325 | evpipe_init (EV_A); |
|
|
2326 | |
|
|
2327 | EV_FREQUENT_CHECK; |
2012 | |
2328 | |
2013 | { |
2329 | { |
2014 | #ifndef _WIN32 |
2330 | #ifndef _WIN32 |
2015 | sigset_t full, prev; |
2331 | sigset_t full, prev; |
2016 | sigfillset (&full); |
2332 | sigfillset (&full); |
2017 | sigprocmask (SIG_SETMASK, &full, &prev); |
2333 | sigprocmask (SIG_SETMASK, &full, &prev); |
2018 | #endif |
2334 | #endif |
2019 | |
2335 | |
2020 | array_needsize (ANSIG, signals, signalmax, w->signum, signals_init); |
2336 | array_needsize (ANSIG, signals, signalmax, w->signum, array_init_zero); |
2021 | |
2337 | |
2022 | #ifndef _WIN32 |
2338 | #ifndef _WIN32 |
2023 | sigprocmask (SIG_SETMASK, &prev, 0); |
2339 | sigprocmask (SIG_SETMASK, &prev, 0); |
2024 | #endif |
2340 | #endif |
2025 | } |
2341 | } |
… | |
… | |
2037 | sigfillset (&sa.sa_mask); |
2353 | sigfillset (&sa.sa_mask); |
2038 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
2354 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
2039 | sigaction (w->signum, &sa, 0); |
2355 | sigaction (w->signum, &sa, 0); |
2040 | #endif |
2356 | #endif |
2041 | } |
2357 | } |
|
|
2358 | |
|
|
2359 | EV_FREQUENT_CHECK; |
2042 | } |
2360 | } |
2043 | |
2361 | |
2044 | void noinline |
2362 | void noinline |
2045 | ev_signal_stop (EV_P_ ev_signal *w) |
2363 | ev_signal_stop (EV_P_ ev_signal *w) |
2046 | { |
2364 | { |
2047 | clear_pending (EV_A_ (W)w); |
2365 | clear_pending (EV_A_ (W)w); |
2048 | if (expect_false (!ev_is_active (w))) |
2366 | if (expect_false (!ev_is_active (w))) |
2049 | return; |
2367 | return; |
2050 | |
2368 | |
|
|
2369 | EV_FREQUENT_CHECK; |
|
|
2370 | |
2051 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
2371 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
2052 | ev_stop (EV_A_ (W)w); |
2372 | ev_stop (EV_A_ (W)w); |
2053 | |
2373 | |
2054 | if (!signals [w->signum - 1].head) |
2374 | if (!signals [w->signum - 1].head) |
2055 | signal (w->signum, SIG_DFL); |
2375 | signal (w->signum, SIG_DFL); |
|
|
2376 | |
|
|
2377 | EV_FREQUENT_CHECK; |
2056 | } |
2378 | } |
2057 | |
2379 | |
2058 | void |
2380 | void |
2059 | ev_child_start (EV_P_ ev_child *w) |
2381 | ev_child_start (EV_P_ ev_child *w) |
2060 | { |
2382 | { |
… | |
… | |
2062 | assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
2384 | assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
2063 | #endif |
2385 | #endif |
2064 | if (expect_false (ev_is_active (w))) |
2386 | if (expect_false (ev_is_active (w))) |
2065 | return; |
2387 | return; |
2066 | |
2388 | |
|
|
2389 | EV_FREQUENT_CHECK; |
|
|
2390 | |
2067 | ev_start (EV_A_ (W)w, 1); |
2391 | ev_start (EV_A_ (W)w, 1); |
2068 | wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
2392 | wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
|
|
2393 | |
|
|
2394 | EV_FREQUENT_CHECK; |
2069 | } |
2395 | } |
2070 | |
2396 | |
2071 | void |
2397 | void |
2072 | ev_child_stop (EV_P_ ev_child *w) |
2398 | ev_child_stop (EV_P_ ev_child *w) |
2073 | { |
2399 | { |
2074 | clear_pending (EV_A_ (W)w); |
2400 | clear_pending (EV_A_ (W)w); |
2075 | if (expect_false (!ev_is_active (w))) |
2401 | if (expect_false (!ev_is_active (w))) |
2076 | return; |
2402 | return; |
2077 | |
2403 | |
|
|
2404 | EV_FREQUENT_CHECK; |
|
|
2405 | |
2078 | wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
2406 | wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
2079 | ev_stop (EV_A_ (W)w); |
2407 | ev_stop (EV_A_ (W)w); |
|
|
2408 | |
|
|
2409 | EV_FREQUENT_CHECK; |
2080 | } |
2410 | } |
2081 | |
2411 | |
2082 | #if EV_STAT_ENABLE |
2412 | #if EV_STAT_ENABLE |
2083 | |
2413 | |
2084 | # ifdef _WIN32 |
2414 | # ifdef _WIN32 |
… | |
… | |
2102 | if (w->wd < 0) |
2432 | if (w->wd < 0) |
2103 | { |
2433 | { |
2104 | ev_timer_start (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */ |
2434 | ev_timer_start (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */ |
2105 | |
2435 | |
2106 | /* monitor some parent directory for speedup hints */ |
2436 | /* monitor some parent directory for speedup hints */ |
|
|
2437 | /* note that exceeding the hardcoded path limit is not a correctness issue, */ |
|
|
2438 | /* but an efficiency issue only */ |
2107 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
2439 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
2108 | { |
2440 | { |
2109 | char path [4096]; |
2441 | char path [4096]; |
2110 | strcpy (path, w->path); |
2442 | strcpy (path, w->path); |
2111 | |
2443 | |
… | |
… | |
2151 | |
2483 | |
2152 | static void noinline |
2484 | static void noinline |
2153 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
2485 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
2154 | { |
2486 | { |
2155 | if (slot < 0) |
2487 | if (slot < 0) |
2156 | /* overflow, need to check for all hahs slots */ |
2488 | /* overflow, need to check for all hash slots */ |
2157 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
2489 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
2158 | infy_wd (EV_A_ slot, wd, ev); |
2490 | infy_wd (EV_A_ slot, wd, ev); |
2159 | else |
2491 | else |
2160 | { |
2492 | { |
2161 | WL w_; |
2493 | WL w_; |
… | |
… | |
2195 | infy_init (EV_P) |
2527 | infy_init (EV_P) |
2196 | { |
2528 | { |
2197 | if (fs_fd != -2) |
2529 | if (fs_fd != -2) |
2198 | return; |
2530 | return; |
2199 | |
2531 | |
|
|
2532 | /* kernels < 2.6.25 are borked |
|
|
2533 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
|
|
2534 | */ |
|
|
2535 | { |
|
|
2536 | struct utsname buf; |
|
|
2537 | int major, minor, micro; |
|
|
2538 | |
|
|
2539 | fs_fd = -1; |
|
|
2540 | |
|
|
2541 | if (uname (&buf)) |
|
|
2542 | return; |
|
|
2543 | |
|
|
2544 | if (sscanf (buf.release, "%d.%d.%d", &major, &minor, µ) != 3) |
|
|
2545 | return; |
|
|
2546 | |
|
|
2547 | if (major < 2 |
|
|
2548 | || (major == 2 && minor < 6) |
|
|
2549 | || (major == 2 && minor == 6 && micro < 25)) |
|
|
2550 | return; |
|
|
2551 | } |
|
|
2552 | |
2200 | fs_fd = inotify_init (); |
2553 | fs_fd = inotify_init (); |
2201 | |
2554 | |
2202 | if (fs_fd >= 0) |
2555 | if (fs_fd >= 0) |
2203 | { |
2556 | { |
2204 | ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ); |
2557 | ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ); |
… | |
… | |
2233 | if (fs_fd >= 0) |
2586 | if (fs_fd >= 0) |
2234 | infy_add (EV_A_ w); /* re-add, no matter what */ |
2587 | infy_add (EV_A_ w); /* re-add, no matter what */ |
2235 | else |
2588 | else |
2236 | ev_timer_start (EV_A_ &w->timer); |
2589 | ev_timer_start (EV_A_ &w->timer); |
2237 | } |
2590 | } |
2238 | |
|
|
2239 | } |
2591 | } |
2240 | } |
2592 | } |
2241 | |
2593 | |
|
|
2594 | #endif |
|
|
2595 | |
|
|
2596 | #ifdef _WIN32 |
|
|
2597 | # define EV_LSTAT(p,b) _stati64 (p, b) |
|
|
2598 | #else |
|
|
2599 | # define EV_LSTAT(p,b) lstat (p, b) |
2242 | #endif |
2600 | #endif |
2243 | |
2601 | |
2244 | void |
2602 | void |
2245 | ev_stat_stat (EV_P_ ev_stat *w) |
2603 | ev_stat_stat (EV_P_ ev_stat *w) |
2246 | { |
2604 | { |
… | |
… | |
2273 | || w->prev.st_atime != w->attr.st_atime |
2631 | || w->prev.st_atime != w->attr.st_atime |
2274 | || w->prev.st_mtime != w->attr.st_mtime |
2632 | || w->prev.st_mtime != w->attr.st_mtime |
2275 | || w->prev.st_ctime != w->attr.st_ctime |
2633 | || w->prev.st_ctime != w->attr.st_ctime |
2276 | ) { |
2634 | ) { |
2277 | #if EV_USE_INOTIFY |
2635 | #if EV_USE_INOTIFY |
|
|
2636 | if (fs_fd >= 0) |
|
|
2637 | { |
2278 | infy_del (EV_A_ w); |
2638 | infy_del (EV_A_ w); |
2279 | infy_add (EV_A_ w); |
2639 | infy_add (EV_A_ w); |
2280 | ev_stat_stat (EV_A_ w); /* avoid race... */ |
2640 | ev_stat_stat (EV_A_ w); /* avoid race... */ |
|
|
2641 | } |
2281 | #endif |
2642 | #endif |
2282 | |
2643 | |
2283 | ev_feed_event (EV_A_ w, EV_STAT); |
2644 | ev_feed_event (EV_A_ w, EV_STAT); |
2284 | } |
2645 | } |
2285 | } |
2646 | } |
… | |
… | |
2310 | else |
2671 | else |
2311 | #endif |
2672 | #endif |
2312 | ev_timer_start (EV_A_ &w->timer); |
2673 | ev_timer_start (EV_A_ &w->timer); |
2313 | |
2674 | |
2314 | ev_start (EV_A_ (W)w, 1); |
2675 | ev_start (EV_A_ (W)w, 1); |
|
|
2676 | |
|
|
2677 | EV_FREQUENT_CHECK; |
2315 | } |
2678 | } |
2316 | |
2679 | |
2317 | void |
2680 | void |
2318 | ev_stat_stop (EV_P_ ev_stat *w) |
2681 | ev_stat_stop (EV_P_ ev_stat *w) |
2319 | { |
2682 | { |
2320 | clear_pending (EV_A_ (W)w); |
2683 | clear_pending (EV_A_ (W)w); |
2321 | if (expect_false (!ev_is_active (w))) |
2684 | if (expect_false (!ev_is_active (w))) |
2322 | return; |
2685 | return; |
2323 | |
2686 | |
|
|
2687 | EV_FREQUENT_CHECK; |
|
|
2688 | |
2324 | #if EV_USE_INOTIFY |
2689 | #if EV_USE_INOTIFY |
2325 | infy_del (EV_A_ w); |
2690 | infy_del (EV_A_ w); |
2326 | #endif |
2691 | #endif |
2327 | ev_timer_stop (EV_A_ &w->timer); |
2692 | ev_timer_stop (EV_A_ &w->timer); |
2328 | |
2693 | |
2329 | ev_stop (EV_A_ (W)w); |
2694 | ev_stop (EV_A_ (W)w); |
|
|
2695 | |
|
|
2696 | EV_FREQUENT_CHECK; |
2330 | } |
2697 | } |
2331 | #endif |
2698 | #endif |
2332 | |
2699 | |
2333 | #if EV_IDLE_ENABLE |
2700 | #if EV_IDLE_ENABLE |
2334 | void |
2701 | void |
… | |
… | |
2336 | { |
2703 | { |
2337 | if (expect_false (ev_is_active (w))) |
2704 | if (expect_false (ev_is_active (w))) |
2338 | return; |
2705 | return; |
2339 | |
2706 | |
2340 | pri_adjust (EV_A_ (W)w); |
2707 | pri_adjust (EV_A_ (W)w); |
|
|
2708 | |
|
|
2709 | EV_FREQUENT_CHECK; |
2341 | |
2710 | |
2342 | { |
2711 | { |
2343 | int active = ++idlecnt [ABSPRI (w)]; |
2712 | int active = ++idlecnt [ABSPRI (w)]; |
2344 | |
2713 | |
2345 | ++idleall; |
2714 | ++idleall; |
2346 | ev_start (EV_A_ (W)w, active); |
2715 | ev_start (EV_A_ (W)w, active); |
2347 | |
2716 | |
2348 | array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2); |
2717 | array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2); |
2349 | idles [ABSPRI (w)][active - 1] = w; |
2718 | idles [ABSPRI (w)][active - 1] = w; |
2350 | } |
2719 | } |
|
|
2720 | |
|
|
2721 | EV_FREQUENT_CHECK; |
2351 | } |
2722 | } |
2352 | |
2723 | |
2353 | void |
2724 | void |
2354 | ev_idle_stop (EV_P_ ev_idle *w) |
2725 | ev_idle_stop (EV_P_ ev_idle *w) |
2355 | { |
2726 | { |
2356 | clear_pending (EV_A_ (W)w); |
2727 | clear_pending (EV_A_ (W)w); |
2357 | if (expect_false (!ev_is_active (w))) |
2728 | if (expect_false (!ev_is_active (w))) |
2358 | return; |
2729 | return; |
2359 | |
2730 | |
|
|
2731 | EV_FREQUENT_CHECK; |
|
|
2732 | |
2360 | { |
2733 | { |
2361 | int active = ((W)w)->active; |
2734 | int active = ev_active (w); |
2362 | |
2735 | |
2363 | idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]]; |
2736 | idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]]; |
2364 | ((W)idles [ABSPRI (w)][active - 1])->active = active; |
2737 | ev_active (idles [ABSPRI (w)][active - 1]) = active; |
2365 | |
2738 | |
2366 | ev_stop (EV_A_ (W)w); |
2739 | ev_stop (EV_A_ (W)w); |
2367 | --idleall; |
2740 | --idleall; |
2368 | } |
2741 | } |
|
|
2742 | |
|
|
2743 | EV_FREQUENT_CHECK; |
2369 | } |
2744 | } |
2370 | #endif |
2745 | #endif |
2371 | |
2746 | |
2372 | void |
2747 | void |
2373 | ev_prepare_start (EV_P_ ev_prepare *w) |
2748 | ev_prepare_start (EV_P_ ev_prepare *w) |
2374 | { |
2749 | { |
2375 | if (expect_false (ev_is_active (w))) |
2750 | if (expect_false (ev_is_active (w))) |
2376 | return; |
2751 | return; |
|
|
2752 | |
|
|
2753 | EV_FREQUENT_CHECK; |
2377 | |
2754 | |
2378 | ev_start (EV_A_ (W)w, ++preparecnt); |
2755 | ev_start (EV_A_ (W)w, ++preparecnt); |
2379 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
2756 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
2380 | prepares [preparecnt - 1] = w; |
2757 | prepares [preparecnt - 1] = w; |
|
|
2758 | |
|
|
2759 | EV_FREQUENT_CHECK; |
2381 | } |
2760 | } |
2382 | |
2761 | |
2383 | void |
2762 | void |
2384 | ev_prepare_stop (EV_P_ ev_prepare *w) |
2763 | ev_prepare_stop (EV_P_ ev_prepare *w) |
2385 | { |
2764 | { |
2386 | clear_pending (EV_A_ (W)w); |
2765 | clear_pending (EV_A_ (W)w); |
2387 | if (expect_false (!ev_is_active (w))) |
2766 | if (expect_false (!ev_is_active (w))) |
2388 | return; |
2767 | return; |
2389 | |
2768 | |
|
|
2769 | EV_FREQUENT_CHECK; |
|
|
2770 | |
2390 | { |
2771 | { |
2391 | int active = ((W)w)->active; |
2772 | int active = ev_active (w); |
|
|
2773 | |
2392 | prepares [active - 1] = prepares [--preparecnt]; |
2774 | prepares [active - 1] = prepares [--preparecnt]; |
2393 | ((W)prepares [active - 1])->active = active; |
2775 | ev_active (prepares [active - 1]) = active; |
2394 | } |
2776 | } |
2395 | |
2777 | |
2396 | ev_stop (EV_A_ (W)w); |
2778 | ev_stop (EV_A_ (W)w); |
|
|
2779 | |
|
|
2780 | EV_FREQUENT_CHECK; |
2397 | } |
2781 | } |
2398 | |
2782 | |
2399 | void |
2783 | void |
2400 | ev_check_start (EV_P_ ev_check *w) |
2784 | ev_check_start (EV_P_ ev_check *w) |
2401 | { |
2785 | { |
2402 | if (expect_false (ev_is_active (w))) |
2786 | if (expect_false (ev_is_active (w))) |
2403 | return; |
2787 | return; |
|
|
2788 | |
|
|
2789 | EV_FREQUENT_CHECK; |
2404 | |
2790 | |
2405 | ev_start (EV_A_ (W)w, ++checkcnt); |
2791 | ev_start (EV_A_ (W)w, ++checkcnt); |
2406 | array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); |
2792 | array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); |
2407 | checks [checkcnt - 1] = w; |
2793 | checks [checkcnt - 1] = w; |
|
|
2794 | |
|
|
2795 | EV_FREQUENT_CHECK; |
2408 | } |
2796 | } |
2409 | |
2797 | |
2410 | void |
2798 | void |
2411 | ev_check_stop (EV_P_ ev_check *w) |
2799 | ev_check_stop (EV_P_ ev_check *w) |
2412 | { |
2800 | { |
2413 | clear_pending (EV_A_ (W)w); |
2801 | clear_pending (EV_A_ (W)w); |
2414 | if (expect_false (!ev_is_active (w))) |
2802 | if (expect_false (!ev_is_active (w))) |
2415 | return; |
2803 | return; |
2416 | |
2804 | |
|
|
2805 | EV_FREQUENT_CHECK; |
|
|
2806 | |
2417 | { |
2807 | { |
2418 | int active = ((W)w)->active; |
2808 | int active = ev_active (w); |
|
|
2809 | |
2419 | checks [active - 1] = checks [--checkcnt]; |
2810 | checks [active - 1] = checks [--checkcnt]; |
2420 | ((W)checks [active - 1])->active = active; |
2811 | ev_active (checks [active - 1]) = active; |
2421 | } |
2812 | } |
2422 | |
2813 | |
2423 | ev_stop (EV_A_ (W)w); |
2814 | ev_stop (EV_A_ (W)w); |
|
|
2815 | |
|
|
2816 | EV_FREQUENT_CHECK; |
2424 | } |
2817 | } |
2425 | |
2818 | |
2426 | #if EV_EMBED_ENABLE |
2819 | #if EV_EMBED_ENABLE |
2427 | void noinline |
2820 | void noinline |
2428 | ev_embed_sweep (EV_P_ ev_embed *w) |
2821 | ev_embed_sweep (EV_P_ ev_embed *w) |
… | |
… | |
2455 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
2848 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
2456 | } |
2849 | } |
2457 | } |
2850 | } |
2458 | } |
2851 | } |
2459 | |
2852 | |
|
|
2853 | static void |
|
|
2854 | embed_fork_cb (EV_P_ ev_fork *fork_w, int revents) |
|
|
2855 | { |
|
|
2856 | ev_embed *w = (ev_embed *)(((char *)fork_w) - offsetof (ev_embed, fork)); |
|
|
2857 | |
|
|
2858 | { |
|
|
2859 | struct ev_loop *loop = w->other; |
|
|
2860 | |
|
|
2861 | ev_loop_fork (EV_A); |
|
|
2862 | } |
|
|
2863 | } |
|
|
2864 | |
2460 | #if 0 |
2865 | #if 0 |
2461 | static void |
2866 | static void |
2462 | embed_idle_cb (EV_P_ ev_idle *idle, int revents) |
2867 | embed_idle_cb (EV_P_ ev_idle *idle, int revents) |
2463 | { |
2868 | { |
2464 | ev_idle_stop (EV_A_ idle); |
2869 | ev_idle_stop (EV_A_ idle); |
… | |
… | |
2475 | struct ev_loop *loop = w->other; |
2880 | struct ev_loop *loop = w->other; |
2476 | assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
2881 | assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
2477 | ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ); |
2882 | ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ); |
2478 | } |
2883 | } |
2479 | |
2884 | |
|
|
2885 | EV_FREQUENT_CHECK; |
|
|
2886 | |
2480 | ev_set_priority (&w->io, ev_priority (w)); |
2887 | ev_set_priority (&w->io, ev_priority (w)); |
2481 | ev_io_start (EV_A_ &w->io); |
2888 | ev_io_start (EV_A_ &w->io); |
2482 | |
2889 | |
2483 | ev_prepare_init (&w->prepare, embed_prepare_cb); |
2890 | ev_prepare_init (&w->prepare, embed_prepare_cb); |
2484 | ev_set_priority (&w->prepare, EV_MINPRI); |
2891 | ev_set_priority (&w->prepare, EV_MINPRI); |
2485 | ev_prepare_start (EV_A_ &w->prepare); |
2892 | ev_prepare_start (EV_A_ &w->prepare); |
2486 | |
2893 | |
|
|
2894 | ev_fork_init (&w->fork, embed_fork_cb); |
|
|
2895 | ev_fork_start (EV_A_ &w->fork); |
|
|
2896 | |
2487 | /*ev_idle_init (&w->idle, e,bed_idle_cb);*/ |
2897 | /*ev_idle_init (&w->idle, e,bed_idle_cb);*/ |
2488 | |
2898 | |
2489 | ev_start (EV_A_ (W)w, 1); |
2899 | ev_start (EV_A_ (W)w, 1); |
|
|
2900 | |
|
|
2901 | EV_FREQUENT_CHECK; |
2490 | } |
2902 | } |
2491 | |
2903 | |
2492 | void |
2904 | void |
2493 | ev_embed_stop (EV_P_ ev_embed *w) |
2905 | ev_embed_stop (EV_P_ ev_embed *w) |
2494 | { |
2906 | { |
2495 | clear_pending (EV_A_ (W)w); |
2907 | clear_pending (EV_A_ (W)w); |
2496 | if (expect_false (!ev_is_active (w))) |
2908 | if (expect_false (!ev_is_active (w))) |
2497 | return; |
2909 | return; |
2498 | |
2910 | |
|
|
2911 | EV_FREQUENT_CHECK; |
|
|
2912 | |
2499 | ev_io_stop (EV_A_ &w->io); |
2913 | ev_io_stop (EV_A_ &w->io); |
2500 | ev_prepare_stop (EV_A_ &w->prepare); |
2914 | ev_prepare_stop (EV_A_ &w->prepare); |
|
|
2915 | ev_fork_stop (EV_A_ &w->fork); |
2501 | |
2916 | |
2502 | ev_stop (EV_A_ (W)w); |
2917 | EV_FREQUENT_CHECK; |
2503 | } |
2918 | } |
2504 | #endif |
2919 | #endif |
2505 | |
2920 | |
2506 | #if EV_FORK_ENABLE |
2921 | #if EV_FORK_ENABLE |
2507 | void |
2922 | void |
2508 | ev_fork_start (EV_P_ ev_fork *w) |
2923 | ev_fork_start (EV_P_ ev_fork *w) |
2509 | { |
2924 | { |
2510 | if (expect_false (ev_is_active (w))) |
2925 | if (expect_false (ev_is_active (w))) |
2511 | return; |
2926 | return; |
|
|
2927 | |
|
|
2928 | EV_FREQUENT_CHECK; |
2512 | |
2929 | |
2513 | ev_start (EV_A_ (W)w, ++forkcnt); |
2930 | ev_start (EV_A_ (W)w, ++forkcnt); |
2514 | array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2); |
2931 | array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2); |
2515 | forks [forkcnt - 1] = w; |
2932 | forks [forkcnt - 1] = w; |
|
|
2933 | |
|
|
2934 | EV_FREQUENT_CHECK; |
2516 | } |
2935 | } |
2517 | |
2936 | |
2518 | void |
2937 | void |
2519 | ev_fork_stop (EV_P_ ev_fork *w) |
2938 | ev_fork_stop (EV_P_ ev_fork *w) |
2520 | { |
2939 | { |
2521 | clear_pending (EV_A_ (W)w); |
2940 | clear_pending (EV_A_ (W)w); |
2522 | if (expect_false (!ev_is_active (w))) |
2941 | if (expect_false (!ev_is_active (w))) |
2523 | return; |
2942 | return; |
2524 | |
2943 | |
|
|
2944 | EV_FREQUENT_CHECK; |
|
|
2945 | |
2525 | { |
2946 | { |
2526 | int active = ((W)w)->active; |
2947 | int active = ev_active (w); |
|
|
2948 | |
2527 | forks [active - 1] = forks [--forkcnt]; |
2949 | forks [active - 1] = forks [--forkcnt]; |
2528 | ((W)forks [active - 1])->active = active; |
2950 | ev_active (forks [active - 1]) = active; |
2529 | } |
2951 | } |
2530 | |
2952 | |
2531 | ev_stop (EV_A_ (W)w); |
2953 | ev_stop (EV_A_ (W)w); |
|
|
2954 | |
|
|
2955 | EV_FREQUENT_CHECK; |
2532 | } |
2956 | } |
2533 | #endif |
2957 | #endif |
2534 | |
2958 | |
2535 | #if EV_ASYNC_ENABLE |
2959 | #if EV_ASYNC_ENABLE |
2536 | void |
2960 | void |
… | |
… | |
2538 | { |
2962 | { |
2539 | if (expect_false (ev_is_active (w))) |
2963 | if (expect_false (ev_is_active (w))) |
2540 | return; |
2964 | return; |
2541 | |
2965 | |
2542 | evpipe_init (EV_A); |
2966 | evpipe_init (EV_A); |
|
|
2967 | |
|
|
2968 | EV_FREQUENT_CHECK; |
2543 | |
2969 | |
2544 | ev_start (EV_A_ (W)w, ++asynccnt); |
2970 | ev_start (EV_A_ (W)w, ++asynccnt); |
2545 | array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2); |
2971 | array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2); |
2546 | asyncs [asynccnt - 1] = w; |
2972 | asyncs [asynccnt - 1] = w; |
|
|
2973 | |
|
|
2974 | EV_FREQUENT_CHECK; |
2547 | } |
2975 | } |
2548 | |
2976 | |
2549 | void |
2977 | void |
2550 | ev_async_stop (EV_P_ ev_async *w) |
2978 | ev_async_stop (EV_P_ ev_async *w) |
2551 | { |
2979 | { |
2552 | clear_pending (EV_A_ (W)w); |
2980 | clear_pending (EV_A_ (W)w); |
2553 | if (expect_false (!ev_is_active (w))) |
2981 | if (expect_false (!ev_is_active (w))) |
2554 | return; |
2982 | return; |
2555 | |
2983 | |
|
|
2984 | EV_FREQUENT_CHECK; |
|
|
2985 | |
2556 | { |
2986 | { |
2557 | int active = ((W)w)->active; |
2987 | int active = ev_active (w); |
|
|
2988 | |
2558 | asyncs [active - 1] = asyncs [--asynccnt]; |
2989 | asyncs [active - 1] = asyncs [--asynccnt]; |
2559 | ((W)asyncs [active - 1])->active = active; |
2990 | ev_active (asyncs [active - 1]) = active; |
2560 | } |
2991 | } |
2561 | |
2992 | |
2562 | ev_stop (EV_A_ (W)w); |
2993 | ev_stop (EV_A_ (W)w); |
|
|
2994 | |
|
|
2995 | EV_FREQUENT_CHECK; |
2563 | } |
2996 | } |
2564 | |
2997 | |
2565 | void |
2998 | void |
2566 | ev_async_send (EV_P_ ev_async *w) |
2999 | ev_async_send (EV_P_ ev_async *w) |
2567 | { |
3000 | { |
… | |
… | |
2584 | once_cb (EV_P_ struct ev_once *once, int revents) |
3017 | once_cb (EV_P_ struct ev_once *once, int revents) |
2585 | { |
3018 | { |
2586 | void (*cb)(int revents, void *arg) = once->cb; |
3019 | void (*cb)(int revents, void *arg) = once->cb; |
2587 | void *arg = once->arg; |
3020 | void *arg = once->arg; |
2588 | |
3021 | |
2589 | ev_io_stop (EV_A_ &once->io); |
3022 | ev_io_stop (EV_A_ &once->io); |
2590 | ev_timer_stop (EV_A_ &once->to); |
3023 | ev_timer_stop (EV_A_ &once->to); |
2591 | ev_free (once); |
3024 | ev_free (once); |
2592 | |
3025 | |
2593 | cb (revents, arg); |
3026 | cb (revents, arg); |
2594 | } |
3027 | } |
2595 | |
3028 | |
2596 | static void |
3029 | static void |
2597 | once_cb_io (EV_P_ ev_io *w, int revents) |
3030 | once_cb_io (EV_P_ ev_io *w, int revents) |
2598 | { |
3031 | { |
2599 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, io)), revents); |
3032 | struct ev_once *once = (struct ev_once *)(((char *)w) - offsetof (struct ev_once, io)); |
|
|
3033 | |
|
|
3034 | once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->to)); |
2600 | } |
3035 | } |
2601 | |
3036 | |
2602 | static void |
3037 | static void |
2603 | once_cb_to (EV_P_ ev_timer *w, int revents) |
3038 | once_cb_to (EV_P_ ev_timer *w, int revents) |
2604 | { |
3039 | { |
2605 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, to)), revents); |
3040 | struct ev_once *once = (struct ev_once *)(((char *)w) - offsetof (struct ev_once, to)); |
|
|
3041 | |
|
|
3042 | once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); |
2606 | } |
3043 | } |
2607 | |
3044 | |
2608 | void |
3045 | void |
2609 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
3046 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
2610 | { |
3047 | { |