… | |
… | |
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 |
… | |
… | |
410 | typedef struct |
449 | typedef struct |
411 | { |
450 | { |
412 | WL head; |
451 | WL head; |
413 | unsigned char events; |
452 | unsigned char events; |
414 | unsigned char reify; |
453 | unsigned char reify; |
|
|
454 | unsigned char emask; /* the epoll backend stores the actual kernel mask in here */ |
|
|
455 | unsigned char egen; /* generation counter to counter epoll bugs */ |
415 | #if EV_SELECT_IS_WINSOCKET |
456 | #if EV_SELECT_IS_WINSOCKET |
416 | SOCKET handle; |
457 | SOCKET handle; |
417 | #endif |
458 | #endif |
418 | } ANFD; |
459 | } ANFD; |
419 | |
460 | |
… | |
… | |
422 | W w; |
463 | W w; |
423 | int events; |
464 | int events; |
424 | } ANPENDING; |
465 | } ANPENDING; |
425 | |
466 | |
426 | #if EV_USE_INOTIFY |
467 | #if EV_USE_INOTIFY |
|
|
468 | /* hash table entry per inotify-id */ |
427 | typedef struct |
469 | typedef struct |
428 | { |
470 | { |
429 | WL head; |
471 | WL head; |
430 | } ANFS; |
472 | } ANFS; |
|
|
473 | #endif |
|
|
474 | |
|
|
475 | /* Heap Entry */ |
|
|
476 | #if EV_HEAP_CACHE_AT |
|
|
477 | typedef struct { |
|
|
478 | ev_tstamp at; |
|
|
479 | WT w; |
|
|
480 | } ANHE; |
|
|
481 | |
|
|
482 | #define ANHE_w(he) (he).w /* access watcher, read-write */ |
|
|
483 | #define ANHE_at(he) (he).at /* access cached at, read-only */ |
|
|
484 | #define ANHE_at_cache(he) (he).at = (he).w->at /* update at from watcher */ |
|
|
485 | #else |
|
|
486 | typedef WT ANHE; |
|
|
487 | |
|
|
488 | #define ANHE_w(he) (he) |
|
|
489 | #define ANHE_at(he) (he)->at |
|
|
490 | #define ANHE_at_cache(he) |
431 | #endif |
491 | #endif |
432 | |
492 | |
433 | #if EV_MULTIPLICITY |
493 | #if EV_MULTIPLICITY |
434 | |
494 | |
435 | struct ev_loop |
495 | struct ev_loop |
… | |
… | |
513 | struct timeval tv; |
573 | struct timeval tv; |
514 | |
574 | |
515 | tv.tv_sec = (time_t)delay; |
575 | tv.tv_sec = (time_t)delay; |
516 | tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); |
576 | tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); |
517 | |
577 | |
|
|
578 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
|
|
579 | /* somehting nto guaranteed by newer posix versions, but guaranteed */ |
|
|
580 | /* by older ones */ |
518 | select (0, 0, 0, 0, &tv); |
581 | select (0, 0, 0, 0, &tv); |
519 | #endif |
582 | #endif |
520 | } |
583 | } |
521 | } |
584 | } |
522 | |
585 | |
523 | /*****************************************************************************/ |
586 | /*****************************************************************************/ |
|
|
587 | |
|
|
588 | #define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */ |
524 | |
589 | |
525 | int inline_size |
590 | int inline_size |
526 | array_nextsize (int elem, int cur, int cnt) |
591 | array_nextsize (int elem, int cur, int cnt) |
527 | { |
592 | { |
528 | int ncur = cur + 1; |
593 | int ncur = cur + 1; |
529 | |
594 | |
530 | do |
595 | do |
531 | ncur <<= 1; |
596 | ncur <<= 1; |
532 | while (cnt > ncur); |
597 | while (cnt > ncur); |
533 | |
598 | |
534 | /* if size > 4096, round to 4096 - 4 * longs to accomodate malloc overhead */ |
599 | /* if size is large, round to MALLOC_ROUND - 4 * longs to accomodate malloc overhead */ |
535 | if (elem * ncur > 4096) |
600 | if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4) |
536 | { |
601 | { |
537 | ncur *= elem; |
602 | ncur *= elem; |
538 | ncur = (ncur + elem + 4095 + sizeof (void *) * 4) & ~4095; |
603 | ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void *) * 4) & ~(MALLOC_ROUND - 1); |
539 | ncur = ncur - sizeof (void *) * 4; |
604 | ncur = ncur - sizeof (void *) * 4; |
540 | ncur /= elem; |
605 | ncur /= elem; |
541 | } |
606 | } |
542 | |
607 | |
543 | return ncur; |
608 | return ncur; |
… | |
… | |
547 | array_realloc (int elem, void *base, int *cur, int cnt) |
612 | array_realloc (int elem, void *base, int *cur, int cnt) |
548 | { |
613 | { |
549 | *cur = array_nextsize (elem, *cur, cnt); |
614 | *cur = array_nextsize (elem, *cur, cnt); |
550 | return ev_realloc (base, elem * *cur); |
615 | return ev_realloc (base, elem * *cur); |
551 | } |
616 | } |
|
|
617 | |
|
|
618 | #define array_init_zero(base,count) \ |
|
|
619 | memset ((void *)(base), 0, sizeof (*(base)) * (count)) |
552 | |
620 | |
553 | #define array_needsize(type,base,cur,cnt,init) \ |
621 | #define array_needsize(type,base,cur,cnt,init) \ |
554 | if (expect_false ((cnt) > (cur))) \ |
622 | if (expect_false ((cnt) > (cur))) \ |
555 | { \ |
623 | { \ |
556 | int ocur_ = (cur); \ |
624 | int ocur_ = (cur); \ |
… | |
… | |
600 | ev_feed_event (EV_A_ events [i], type); |
668 | ev_feed_event (EV_A_ events [i], type); |
601 | } |
669 | } |
602 | |
670 | |
603 | /*****************************************************************************/ |
671 | /*****************************************************************************/ |
604 | |
672 | |
605 | void inline_size |
|
|
606 | anfds_init (ANFD *base, int count) |
|
|
607 | { |
|
|
608 | while (count--) |
|
|
609 | { |
|
|
610 | base->head = 0; |
|
|
611 | base->events = EV_NONE; |
|
|
612 | base->reify = 0; |
|
|
613 | |
|
|
614 | ++base; |
|
|
615 | } |
|
|
616 | } |
|
|
617 | |
|
|
618 | void inline_speed |
673 | void inline_speed |
619 | fd_event (EV_P_ int fd, int revents) |
674 | fd_event (EV_P_ int fd, int revents) |
620 | { |
675 | { |
621 | ANFD *anfd = anfds + fd; |
676 | ANFD *anfd = anfds + fd; |
622 | ev_io *w; |
677 | ev_io *w; |
… | |
… | |
654 | events |= (unsigned char)w->events; |
709 | events |= (unsigned char)w->events; |
655 | |
710 | |
656 | #if EV_SELECT_IS_WINSOCKET |
711 | #if EV_SELECT_IS_WINSOCKET |
657 | if (events) |
712 | if (events) |
658 | { |
713 | { |
659 | unsigned long argp; |
714 | unsigned long arg; |
660 | #ifdef EV_FD_TO_WIN32_HANDLE |
715 | #ifdef EV_FD_TO_WIN32_HANDLE |
661 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
716 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
662 | #else |
717 | #else |
663 | anfd->handle = _get_osfhandle (fd); |
718 | anfd->handle = _get_osfhandle (fd); |
664 | #endif |
719 | #endif |
665 | assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0)); |
720 | assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); |
666 | } |
721 | } |
667 | #endif |
722 | #endif |
668 | |
723 | |
669 | { |
724 | { |
670 | unsigned char o_events = anfd->events; |
725 | unsigned char o_events = anfd->events; |
… | |
… | |
723 | { |
778 | { |
724 | int fd; |
779 | int fd; |
725 | |
780 | |
726 | for (fd = 0; fd < anfdmax; ++fd) |
781 | for (fd = 0; fd < anfdmax; ++fd) |
727 | if (anfds [fd].events) |
782 | if (anfds [fd].events) |
728 | if (!fd_valid (fd) == -1 && errno == EBADF) |
783 | if (!fd_valid (fd) && errno == EBADF) |
729 | fd_kill (EV_A_ fd); |
784 | fd_kill (EV_A_ fd); |
730 | } |
785 | } |
731 | |
786 | |
732 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
787 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
733 | static void noinline |
788 | static void noinline |
… | |
… | |
757 | } |
812 | } |
758 | } |
813 | } |
759 | |
814 | |
760 | /*****************************************************************************/ |
815 | /*****************************************************************************/ |
761 | |
816 | |
|
|
817 | /* |
|
|
818 | * the heap functions want a real array index. array index 0 uis guaranteed to not |
|
|
819 | * be in-use at any time. the first heap entry is at array [HEAP0]. DHEAP gives |
|
|
820 | * the branching factor of the d-tree. |
|
|
821 | */ |
|
|
822 | |
|
|
823 | /* |
|
|
824 | * at the moment we allow libev the luxury of two heaps, |
|
|
825 | * a small-code-size 2-heap one and a ~1.5kb larger 4-heap |
|
|
826 | * which is more cache-efficient. |
|
|
827 | * the difference is about 5% with 50000+ watchers. |
|
|
828 | */ |
|
|
829 | #if EV_USE_4HEAP |
|
|
830 | |
|
|
831 | #define DHEAP 4 |
|
|
832 | #define HEAP0 (DHEAP - 1) /* index of first element in heap */ |
|
|
833 | #define HPARENT(k) ((((k) - HEAP0 - 1) / DHEAP) + HEAP0) |
|
|
834 | #define UPHEAP_DONE(p,k) ((p) == (k)) |
|
|
835 | |
|
|
836 | /* away from the root */ |
|
|
837 | void inline_speed |
|
|
838 | downheap (ANHE *heap, int N, int k) |
|
|
839 | { |
|
|
840 | ANHE he = heap [k]; |
|
|
841 | ANHE *E = heap + N + HEAP0; |
|
|
842 | |
|
|
843 | for (;;) |
|
|
844 | { |
|
|
845 | ev_tstamp minat; |
|
|
846 | ANHE *minpos; |
|
|
847 | ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0 + 1; |
|
|
848 | |
|
|
849 | /* find minimum child */ |
|
|
850 | if (expect_true (pos + DHEAP - 1 < E)) |
|
|
851 | { |
|
|
852 | /* fast path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); |
|
|
853 | if ( ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos)); |
|
|
854 | if ( ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos)); |
|
|
855 | if ( ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos)); |
|
|
856 | } |
|
|
857 | else if (pos < E) |
|
|
858 | { |
|
|
859 | /* slow path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); |
|
|
860 | if (pos + 1 < E && ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos)); |
|
|
861 | if (pos + 2 < E && ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos)); |
|
|
862 | if (pos + 3 < E && ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos)); |
|
|
863 | } |
|
|
864 | else |
|
|
865 | break; |
|
|
866 | |
|
|
867 | if (ANHE_at (he) <= minat) |
|
|
868 | break; |
|
|
869 | |
|
|
870 | heap [k] = *minpos; |
|
|
871 | ev_active (ANHE_w (*minpos)) = k; |
|
|
872 | |
|
|
873 | k = minpos - heap; |
|
|
874 | } |
|
|
875 | |
|
|
876 | heap [k] = he; |
|
|
877 | ev_active (ANHE_w (he)) = k; |
|
|
878 | } |
|
|
879 | |
|
|
880 | #else /* 4HEAP */ |
|
|
881 | |
|
|
882 | #define HEAP0 1 |
|
|
883 | #define HPARENT(k) ((k) >> 1) |
|
|
884 | #define UPHEAP_DONE(p,k) (!(p)) |
|
|
885 | |
|
|
886 | /* away from the root */ |
|
|
887 | void inline_speed |
|
|
888 | downheap (ANHE *heap, int N, int k) |
|
|
889 | { |
|
|
890 | ANHE he = heap [k]; |
|
|
891 | |
|
|
892 | for (;;) |
|
|
893 | { |
|
|
894 | int c = k << 1; |
|
|
895 | |
|
|
896 | if (c > N + HEAP0 - 1) |
|
|
897 | break; |
|
|
898 | |
|
|
899 | c += c + 1 < N + HEAP0 && ANHE_at (heap [c]) > ANHE_at (heap [c + 1]) |
|
|
900 | ? 1 : 0; |
|
|
901 | |
|
|
902 | if (ANHE_at (he) <= ANHE_at (heap [c])) |
|
|
903 | break; |
|
|
904 | |
|
|
905 | heap [k] = heap [c]; |
|
|
906 | ev_active (ANHE_w (heap [k])) = k; |
|
|
907 | |
|
|
908 | k = c; |
|
|
909 | } |
|
|
910 | |
|
|
911 | heap [k] = he; |
|
|
912 | ev_active (ANHE_w (he)) = k; |
|
|
913 | } |
|
|
914 | #endif |
|
|
915 | |
762 | /* towards the root */ |
916 | /* towards the root */ |
763 | void inline_speed |
917 | void inline_speed |
764 | upheap (WT *heap, int k) |
918 | upheap (ANHE *heap, int k) |
765 | { |
919 | { |
766 | WT w = heap [k]; |
920 | ANHE he = heap [k]; |
767 | |
921 | |
768 | for (;;) |
922 | for (;;) |
769 | { |
923 | { |
770 | int p = k >> 1; |
924 | int p = HPARENT (k); |
771 | |
925 | |
772 | /* maybe we could use a dummy element at heap [0]? */ |
926 | if (UPHEAP_DONE (p, k) || ANHE_at (heap [p]) <= ANHE_at (he)) |
773 | if (!p || heap [p]->at <= w->at) |
|
|
774 | break; |
927 | break; |
775 | |
928 | |
776 | heap [k] = heap [p]; |
929 | heap [k] = heap [p]; |
777 | ((W)heap [k])->active = k; |
930 | ev_active (ANHE_w (heap [k])) = k; |
778 | k = p; |
931 | k = p; |
779 | } |
932 | } |
780 | |
933 | |
781 | heap [k] = w; |
934 | heap [k] = he; |
782 | ((W)heap [k])->active = k; |
935 | ev_active (ANHE_w (he)) = k; |
783 | } |
|
|
784 | |
|
|
785 | /* away from the root */ |
|
|
786 | void inline_speed |
|
|
787 | downheap (WT *heap, int N, int k) |
|
|
788 | { |
|
|
789 | WT w = heap [k]; |
|
|
790 | |
|
|
791 | for (;;) |
|
|
792 | { |
|
|
793 | int c = k << 1; |
|
|
794 | |
|
|
795 | if (c > N) |
|
|
796 | break; |
|
|
797 | |
|
|
798 | c += c < N && heap [c]->at > heap [c + 1]->at |
|
|
799 | ? 1 : 0; |
|
|
800 | |
|
|
801 | if (w->at <= heap [c]->at) |
|
|
802 | break; |
|
|
803 | |
|
|
804 | heap [k] = heap [c]; |
|
|
805 | ((W)heap [k])->active = k; |
|
|
806 | |
|
|
807 | k = c; |
|
|
808 | } |
|
|
809 | |
|
|
810 | heap [k] = w; |
|
|
811 | ((W)heap [k])->active = k; |
|
|
812 | } |
936 | } |
813 | |
937 | |
814 | void inline_size |
938 | void inline_size |
815 | adjustheap (WT *heap, int N, int k) |
939 | adjustheap (ANHE *heap, int N, int k) |
816 | { |
940 | { |
|
|
941 | if (k > HEAP0 && ANHE_at (heap [HPARENT (k)]) >= ANHE_at (heap [k])) |
817 | upheap (heap, k); |
942 | upheap (heap, k); |
|
|
943 | else |
818 | downheap (heap, N, k); |
944 | downheap (heap, N, k); |
|
|
945 | } |
|
|
946 | |
|
|
947 | /* rebuild the heap: this function is used only once and executed rarely */ |
|
|
948 | void inline_size |
|
|
949 | reheap (ANHE *heap, int N) |
|
|
950 | { |
|
|
951 | int i; |
|
|
952 | |
|
|
953 | /* we don't use floyds algorithm, upheap is simpler and is more cache-efficient */ |
|
|
954 | /* also, this is easy to implement and correct for both 2-heaps and 4-heaps */ |
|
|
955 | for (i = 0; i < N; ++i) |
|
|
956 | upheap (heap, i + HEAP0); |
819 | } |
957 | } |
820 | |
958 | |
821 | /*****************************************************************************/ |
959 | /*****************************************************************************/ |
822 | |
960 | |
823 | typedef struct |
961 | typedef struct |
… | |
… | |
829 | static ANSIG *signals; |
967 | static ANSIG *signals; |
830 | static int signalmax; |
968 | static int signalmax; |
831 | |
969 | |
832 | static EV_ATOMIC_T gotsig; |
970 | static EV_ATOMIC_T gotsig; |
833 | |
971 | |
834 | void inline_size |
|
|
835 | signals_init (ANSIG *base, int count) |
|
|
836 | { |
|
|
837 | while (count--) |
|
|
838 | { |
|
|
839 | base->head = 0; |
|
|
840 | base->gotsig = 0; |
|
|
841 | |
|
|
842 | ++base; |
|
|
843 | } |
|
|
844 | } |
|
|
845 | |
|
|
846 | /*****************************************************************************/ |
972 | /*****************************************************************************/ |
847 | |
973 | |
848 | void inline_speed |
974 | void inline_speed |
849 | fd_intern (int fd) |
975 | fd_intern (int fd) |
850 | { |
976 | { |
851 | #ifdef _WIN32 |
977 | #ifdef _WIN32 |
852 | int arg = 1; |
978 | unsigned long arg = 1; |
853 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
979 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
854 | #else |
980 | #else |
855 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
981 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
856 | fcntl (fd, F_SETFL, O_NONBLOCK); |
982 | fcntl (fd, F_SETFL, O_NONBLOCK); |
857 | #endif |
983 | #endif |
… | |
… | |
912 | pipecb (EV_P_ ev_io *iow, int revents) |
1038 | pipecb (EV_P_ ev_io *iow, int revents) |
913 | { |
1039 | { |
914 | #if EV_USE_EVENTFD |
1040 | #if EV_USE_EVENTFD |
915 | if (evfd >= 0) |
1041 | if (evfd >= 0) |
916 | { |
1042 | { |
917 | uint64_t counter = 1; |
1043 | uint64_t counter; |
918 | read (evfd, &counter, sizeof (uint64_t)); |
1044 | read (evfd, &counter, sizeof (uint64_t)); |
919 | } |
1045 | } |
920 | else |
1046 | else |
921 | #endif |
1047 | #endif |
922 | { |
1048 | { |
… | |
… | |
1341 | |
1467 | |
1342 | postfork = 0; |
1468 | postfork = 0; |
1343 | } |
1469 | } |
1344 | |
1470 | |
1345 | #if EV_MULTIPLICITY |
1471 | #if EV_MULTIPLICITY |
|
|
1472 | |
1346 | struct ev_loop * |
1473 | struct ev_loop * |
1347 | ev_loop_new (unsigned int flags) |
1474 | ev_loop_new (unsigned int flags) |
1348 | { |
1475 | { |
1349 | struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
1476 | struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
1350 | |
1477 | |
… | |
… | |
1369 | ev_loop_fork (EV_P) |
1496 | ev_loop_fork (EV_P) |
1370 | { |
1497 | { |
1371 | postfork = 1; /* must be in line with ev_default_fork */ |
1498 | postfork = 1; /* must be in line with ev_default_fork */ |
1372 | } |
1499 | } |
1373 | |
1500 | |
|
|
1501 | #if EV_VERIFY |
|
|
1502 | static void noinline |
|
|
1503 | verify_watcher (EV_P_ W w) |
|
|
1504 | { |
|
|
1505 | assert (("watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
|
|
1506 | |
|
|
1507 | if (w->pending) |
|
|
1508 | assert (("pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
|
|
1509 | } |
|
|
1510 | |
|
|
1511 | static void noinline |
|
|
1512 | verify_heap (EV_P_ ANHE *heap, int N) |
|
|
1513 | { |
|
|
1514 | int i; |
|
|
1515 | |
|
|
1516 | for (i = HEAP0; i < N + HEAP0; ++i) |
|
|
1517 | { |
|
|
1518 | assert (("active index mismatch in heap", ev_active (ANHE_w (heap [i])) == i)); |
|
|
1519 | assert (("heap condition violated", i == HEAP0 || ANHE_at (heap [HPARENT (i)]) <= ANHE_at (heap [i]))); |
|
|
1520 | assert (("heap at cache mismatch", ANHE_at (heap [i]) == ev_at (ANHE_w (heap [i])))); |
|
|
1521 | |
|
|
1522 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
|
|
1523 | } |
|
|
1524 | } |
|
|
1525 | |
|
|
1526 | static void noinline |
|
|
1527 | array_verify (EV_P_ W *ws, int cnt) |
|
|
1528 | { |
|
|
1529 | while (cnt--) |
|
|
1530 | { |
|
|
1531 | assert (("active index mismatch", ev_active (ws [cnt]) == cnt + 1)); |
|
|
1532 | verify_watcher (EV_A_ ws [cnt]); |
|
|
1533 | } |
|
|
1534 | } |
|
|
1535 | #endif |
|
|
1536 | |
|
|
1537 | void |
|
|
1538 | ev_loop_verify (EV_P) |
|
|
1539 | { |
|
|
1540 | #if EV_VERIFY |
|
|
1541 | int i; |
|
|
1542 | WL w; |
|
|
1543 | |
|
|
1544 | assert (activecnt >= -1); |
|
|
1545 | |
|
|
1546 | assert (fdchangemax >= fdchangecnt); |
|
|
1547 | for (i = 0; i < fdchangecnt; ++i) |
|
|
1548 | assert (("negative fd in fdchanges", fdchanges [i] >= 0)); |
|
|
1549 | |
|
|
1550 | assert (anfdmax >= 0); |
|
|
1551 | for (i = 0; i < anfdmax; ++i) |
|
|
1552 | for (w = anfds [i].head; w; w = w->next) |
|
|
1553 | { |
|
|
1554 | verify_watcher (EV_A_ (W)w); |
|
|
1555 | assert (("inactive fd watcher on anfd list", ev_active (w) == 1)); |
|
|
1556 | assert (("fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i)); |
|
|
1557 | } |
|
|
1558 | |
|
|
1559 | assert (timermax >= timercnt); |
|
|
1560 | verify_heap (EV_A_ timers, timercnt); |
|
|
1561 | |
|
|
1562 | #if EV_PERIODIC_ENABLE |
|
|
1563 | assert (periodicmax >= periodiccnt); |
|
|
1564 | verify_heap (EV_A_ periodics, periodiccnt); |
|
|
1565 | #endif |
|
|
1566 | |
|
|
1567 | for (i = NUMPRI; i--; ) |
|
|
1568 | { |
|
|
1569 | assert (pendingmax [i] >= pendingcnt [i]); |
|
|
1570 | #if EV_IDLE_ENABLE |
|
|
1571 | assert (idleall >= 0); |
|
|
1572 | assert (idlemax [i] >= idlecnt [i]); |
|
|
1573 | array_verify (EV_A_ (W *)idles [i], idlecnt [i]); |
|
|
1574 | #endif |
|
|
1575 | } |
|
|
1576 | |
|
|
1577 | #if EV_FORK_ENABLE |
|
|
1578 | assert (forkmax >= forkcnt); |
|
|
1579 | array_verify (EV_A_ (W *)forks, forkcnt); |
|
|
1580 | #endif |
|
|
1581 | |
|
|
1582 | #if EV_ASYNC_ENABLE |
|
|
1583 | assert (asyncmax >= asynccnt); |
|
|
1584 | array_verify (EV_A_ (W *)asyncs, asynccnt); |
|
|
1585 | #endif |
|
|
1586 | |
|
|
1587 | assert (preparemax >= preparecnt); |
|
|
1588 | array_verify (EV_A_ (W *)prepares, preparecnt); |
|
|
1589 | |
|
|
1590 | assert (checkmax >= checkcnt); |
|
|
1591 | array_verify (EV_A_ (W *)checks, checkcnt); |
|
|
1592 | |
|
|
1593 | # if 0 |
|
|
1594 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
|
|
1595 | for (signum = signalmax; signum--; ) if (signals [signum].gotsig) |
1374 | #endif |
1596 | # endif |
|
|
1597 | #endif |
|
|
1598 | } |
|
|
1599 | |
|
|
1600 | #endif /* multiplicity */ |
1375 | |
1601 | |
1376 | #if EV_MULTIPLICITY |
1602 | #if EV_MULTIPLICITY |
1377 | struct ev_loop * |
1603 | struct ev_loop * |
1378 | ev_default_loop_init (unsigned int flags) |
1604 | ev_default_loop_init (unsigned int flags) |
1379 | #else |
1605 | #else |
… | |
… | |
1412 | { |
1638 | { |
1413 | #if EV_MULTIPLICITY |
1639 | #if EV_MULTIPLICITY |
1414 | struct ev_loop *loop = ev_default_loop_ptr; |
1640 | struct ev_loop *loop = ev_default_loop_ptr; |
1415 | #endif |
1641 | #endif |
1416 | |
1642 | |
|
|
1643 | ev_default_loop_ptr = 0; |
|
|
1644 | |
1417 | #ifndef _WIN32 |
1645 | #ifndef _WIN32 |
1418 | ev_ref (EV_A); /* child watcher */ |
1646 | ev_ref (EV_A); /* child watcher */ |
1419 | ev_signal_stop (EV_A_ &childev); |
1647 | ev_signal_stop (EV_A_ &childev); |
1420 | #endif |
1648 | #endif |
1421 | |
1649 | |
… | |
… | |
1455 | { |
1683 | { |
1456 | /*assert (("non-pending watcher on pending list", p->w->pending));*/ |
1684 | /*assert (("non-pending watcher on pending list", p->w->pending));*/ |
1457 | |
1685 | |
1458 | p->w->pending = 0; |
1686 | p->w->pending = 0; |
1459 | EV_CB_INVOKE (p->w, p->events); |
1687 | EV_CB_INVOKE (p->w, p->events); |
|
|
1688 | EV_FREQUENT_CHECK; |
1460 | } |
1689 | } |
1461 | } |
1690 | } |
1462 | } |
1691 | } |
1463 | |
|
|
1464 | void inline_size |
|
|
1465 | timers_reify (EV_P) |
|
|
1466 | { |
|
|
1467 | while (timercnt && ev_at (timers [1]) <= mn_now) |
|
|
1468 | { |
|
|
1469 | ev_timer *w = (ev_timer *)timers [1]; |
|
|
1470 | |
|
|
1471 | /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/ |
|
|
1472 | |
|
|
1473 | /* first reschedule or stop timer */ |
|
|
1474 | if (w->repeat) |
|
|
1475 | { |
|
|
1476 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
|
|
1477 | |
|
|
1478 | ev_at (w) += w->repeat; |
|
|
1479 | if (ev_at (w) < mn_now) |
|
|
1480 | ev_at (w) = mn_now; |
|
|
1481 | |
|
|
1482 | downheap (timers, timercnt, 1); |
|
|
1483 | } |
|
|
1484 | else |
|
|
1485 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1486 | |
|
|
1487 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
|
|
1488 | } |
|
|
1489 | } |
|
|
1490 | |
|
|
1491 | #if EV_PERIODIC_ENABLE |
|
|
1492 | void inline_size |
|
|
1493 | periodics_reify (EV_P) |
|
|
1494 | { |
|
|
1495 | while (periodiccnt && ev_at (periodics [1]) <= ev_rt_now) |
|
|
1496 | { |
|
|
1497 | ev_periodic *w = (ev_periodic *)periodics [1]; |
|
|
1498 | |
|
|
1499 | /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ |
|
|
1500 | |
|
|
1501 | /* first reschedule or stop timer */ |
|
|
1502 | if (w->reschedule_cb) |
|
|
1503 | { |
|
|
1504 | ev_at (w) = w->reschedule_cb (w, ev_rt_now + TIME_EPSILON); |
|
|
1505 | assert (("ev_periodic reschedule callback returned time in the past", ev_at (w) > ev_rt_now)); |
|
|
1506 | downheap (periodics, periodiccnt, 1); |
|
|
1507 | } |
|
|
1508 | else if (w->interval) |
|
|
1509 | { |
|
|
1510 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1511 | if (ev_at (w) - ev_rt_now <= TIME_EPSILON) ev_at (w) += w->interval; |
|
|
1512 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ev_at (w) > ev_rt_now)); |
|
|
1513 | downheap (periodics, periodiccnt, 1); |
|
|
1514 | } |
|
|
1515 | else |
|
|
1516 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1517 | |
|
|
1518 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
|
|
1519 | } |
|
|
1520 | } |
|
|
1521 | |
|
|
1522 | static void noinline |
|
|
1523 | periodics_reschedule (EV_P) |
|
|
1524 | { |
|
|
1525 | int i; |
|
|
1526 | |
|
|
1527 | /* adjust periodics after time jump */ |
|
|
1528 | for (i = 0; i < periodiccnt; ++i) |
|
|
1529 | { |
|
|
1530 | ev_periodic *w = (ev_periodic *)periodics [i]; |
|
|
1531 | |
|
|
1532 | if (w->reschedule_cb) |
|
|
1533 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
|
|
1534 | else if (w->interval) |
|
|
1535 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1536 | } |
|
|
1537 | |
|
|
1538 | /* now rebuild the heap */ |
|
|
1539 | for (i = periodiccnt >> 1; i--; ) |
|
|
1540 | downheap (periodics, periodiccnt, i); |
|
|
1541 | } |
|
|
1542 | #endif |
|
|
1543 | |
1692 | |
1544 | #if EV_IDLE_ENABLE |
1693 | #if EV_IDLE_ENABLE |
1545 | void inline_size |
1694 | void inline_size |
1546 | idle_reify (EV_P) |
1695 | idle_reify (EV_P) |
1547 | { |
1696 | { |
… | |
… | |
1559 | queue_events (EV_A_ (W *)idles [pri], idlecnt [pri], EV_IDLE); |
1708 | queue_events (EV_A_ (W *)idles [pri], idlecnt [pri], EV_IDLE); |
1560 | break; |
1709 | break; |
1561 | } |
1710 | } |
1562 | } |
1711 | } |
1563 | } |
1712 | } |
|
|
1713 | } |
|
|
1714 | #endif |
|
|
1715 | |
|
|
1716 | void inline_size |
|
|
1717 | timers_reify (EV_P) |
|
|
1718 | { |
|
|
1719 | EV_FREQUENT_CHECK; |
|
|
1720 | |
|
|
1721 | while (timercnt && ANHE_at (timers [HEAP0]) < mn_now) |
|
|
1722 | { |
|
|
1723 | ev_timer *w = (ev_timer *)ANHE_w (timers [HEAP0]); |
|
|
1724 | |
|
|
1725 | /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/ |
|
|
1726 | |
|
|
1727 | /* first reschedule or stop timer */ |
|
|
1728 | if (w->repeat) |
|
|
1729 | { |
|
|
1730 | ev_at (w) += w->repeat; |
|
|
1731 | if (ev_at (w) < mn_now) |
|
|
1732 | ev_at (w) = mn_now; |
|
|
1733 | |
|
|
1734 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
|
|
1735 | |
|
|
1736 | ANHE_at_cache (timers [HEAP0]); |
|
|
1737 | downheap (timers, timercnt, HEAP0); |
|
|
1738 | } |
|
|
1739 | else |
|
|
1740 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1741 | |
|
|
1742 | EV_FREQUENT_CHECK; |
|
|
1743 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
|
|
1744 | } |
|
|
1745 | } |
|
|
1746 | |
|
|
1747 | #if EV_PERIODIC_ENABLE |
|
|
1748 | void inline_size |
|
|
1749 | periodics_reify (EV_P) |
|
|
1750 | { |
|
|
1751 | EV_FREQUENT_CHECK; |
|
|
1752 | |
|
|
1753 | while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now) |
|
|
1754 | { |
|
|
1755 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]); |
|
|
1756 | |
|
|
1757 | /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ |
|
|
1758 | |
|
|
1759 | /* first reschedule or stop timer */ |
|
|
1760 | if (w->reschedule_cb) |
|
|
1761 | { |
|
|
1762 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
|
|
1763 | |
|
|
1764 | assert (("ev_periodic reschedule callback returned time in the past", ev_at (w) >= ev_rt_now)); |
|
|
1765 | |
|
|
1766 | ANHE_at_cache (periodics [HEAP0]); |
|
|
1767 | downheap (periodics, periodiccnt, HEAP0); |
|
|
1768 | } |
|
|
1769 | else if (w->interval) |
|
|
1770 | { |
|
|
1771 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1772 | /* if next trigger time is not sufficiently in the future, put it there */ |
|
|
1773 | /* this might happen because of floating point inexactness */ |
|
|
1774 | if (ev_at (w) - ev_rt_now < TIME_EPSILON) |
|
|
1775 | { |
|
|
1776 | ev_at (w) += w->interval; |
|
|
1777 | |
|
|
1778 | /* if interval is unreasonably low we might still have a time in the past */ |
|
|
1779 | /* so correct this. this will make the periodic very inexact, but the user */ |
|
|
1780 | /* has effectively asked to get triggered more often than possible */ |
|
|
1781 | if (ev_at (w) < ev_rt_now) |
|
|
1782 | ev_at (w) = ev_rt_now; |
|
|
1783 | } |
|
|
1784 | |
|
|
1785 | ANHE_at_cache (periodics [HEAP0]); |
|
|
1786 | downheap (periodics, periodiccnt, HEAP0); |
|
|
1787 | } |
|
|
1788 | else |
|
|
1789 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1790 | |
|
|
1791 | EV_FREQUENT_CHECK; |
|
|
1792 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
|
|
1793 | } |
|
|
1794 | } |
|
|
1795 | |
|
|
1796 | static void noinline |
|
|
1797 | periodics_reschedule (EV_P) |
|
|
1798 | { |
|
|
1799 | int i; |
|
|
1800 | |
|
|
1801 | /* adjust periodics after time jump */ |
|
|
1802 | for (i = HEAP0; i < periodiccnt + HEAP0; ++i) |
|
|
1803 | { |
|
|
1804 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [i]); |
|
|
1805 | |
|
|
1806 | if (w->reschedule_cb) |
|
|
1807 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
|
|
1808 | else if (w->interval) |
|
|
1809 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1810 | |
|
|
1811 | ANHE_at_cache (periodics [i]); |
|
|
1812 | } |
|
|
1813 | |
|
|
1814 | reheap (periodics, periodiccnt); |
1564 | } |
1815 | } |
1565 | #endif |
1816 | #endif |
1566 | |
1817 | |
1567 | void inline_speed |
1818 | void inline_speed |
1568 | time_update (EV_P_ ev_tstamp max_block) |
1819 | time_update (EV_P_ ev_tstamp max_block) |
… | |
… | |
1597 | */ |
1848 | */ |
1598 | for (i = 4; --i; ) |
1849 | for (i = 4; --i; ) |
1599 | { |
1850 | { |
1600 | rtmn_diff = ev_rt_now - mn_now; |
1851 | rtmn_diff = ev_rt_now - mn_now; |
1601 | |
1852 | |
1602 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
1853 | if (expect_true (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)) |
1603 | return; /* all is well */ |
1854 | return; /* all is well */ |
1604 | |
1855 | |
1605 | ev_rt_now = ev_time (); |
1856 | ev_rt_now = ev_time (); |
1606 | mn_now = get_clock (); |
1857 | mn_now = get_clock (); |
1607 | now_floor = mn_now; |
1858 | now_floor = mn_now; |
… | |
… | |
1622 | { |
1873 | { |
1623 | #if EV_PERIODIC_ENABLE |
1874 | #if EV_PERIODIC_ENABLE |
1624 | periodics_reschedule (EV_A); |
1875 | periodics_reschedule (EV_A); |
1625 | #endif |
1876 | #endif |
1626 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
1877 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
1627 | for (i = 1; i <= timercnt; ++i) |
1878 | for (i = 0; i < timercnt; ++i) |
1628 | ev_at (timers [i]) += ev_rt_now - mn_now; |
1879 | { |
|
|
1880 | ANHE *he = timers + i + HEAP0; |
|
|
1881 | ANHE_w (*he)->at += ev_rt_now - mn_now; |
|
|
1882 | ANHE_at_cache (*he); |
|
|
1883 | } |
1629 | } |
1884 | } |
1630 | |
1885 | |
1631 | mn_now = ev_rt_now; |
1886 | mn_now = ev_rt_now; |
1632 | } |
1887 | } |
1633 | } |
1888 | } |
… | |
… | |
1642 | ev_unref (EV_P) |
1897 | ev_unref (EV_P) |
1643 | { |
1898 | { |
1644 | --activecnt; |
1899 | --activecnt; |
1645 | } |
1900 | } |
1646 | |
1901 | |
|
|
1902 | void |
|
|
1903 | ev_now_update (EV_P) |
|
|
1904 | { |
|
|
1905 | time_update (EV_A_ 1e100); |
|
|
1906 | } |
|
|
1907 | |
1647 | static int loop_done; |
1908 | static int loop_done; |
1648 | |
1909 | |
1649 | void |
1910 | void |
1650 | ev_loop (EV_P_ int flags) |
1911 | ev_loop (EV_P_ int flags) |
1651 | { |
1912 | { |
… | |
… | |
1653 | |
1914 | |
1654 | call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */ |
1915 | call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */ |
1655 | |
1916 | |
1656 | do |
1917 | do |
1657 | { |
1918 | { |
|
|
1919 | #if EV_VERIFY >= 2 |
|
|
1920 | ev_loop_verify (EV_A); |
|
|
1921 | #endif |
|
|
1922 | |
1658 | #ifndef _WIN32 |
1923 | #ifndef _WIN32 |
1659 | if (expect_false (curpid)) /* penalise the forking check even more */ |
1924 | if (expect_false (curpid)) /* penalise the forking check even more */ |
1660 | if (expect_false (getpid () != curpid)) |
1925 | if (expect_false (getpid () != curpid)) |
1661 | { |
1926 | { |
1662 | curpid = getpid (); |
1927 | curpid = getpid (); |
… | |
… | |
1703 | |
1968 | |
1704 | waittime = MAX_BLOCKTIME; |
1969 | waittime = MAX_BLOCKTIME; |
1705 | |
1970 | |
1706 | if (timercnt) |
1971 | if (timercnt) |
1707 | { |
1972 | { |
1708 | ev_tstamp to = ev_at (timers [1]) - mn_now + backend_fudge; |
1973 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge; |
1709 | if (waittime > to) waittime = to; |
1974 | if (waittime > to) waittime = to; |
1710 | } |
1975 | } |
1711 | |
1976 | |
1712 | #if EV_PERIODIC_ENABLE |
1977 | #if EV_PERIODIC_ENABLE |
1713 | if (periodiccnt) |
1978 | if (periodiccnt) |
1714 | { |
1979 | { |
1715 | ev_tstamp to = ev_at (periodics [1]) - ev_rt_now + backend_fudge; |
1980 | ev_tstamp to = ANHE_at (periodics [HEAP0]) - ev_rt_now + backend_fudge; |
1716 | if (waittime > to) waittime = to; |
1981 | if (waittime > to) waittime = to; |
1717 | } |
1982 | } |
1718 | #endif |
1983 | #endif |
1719 | |
1984 | |
1720 | if (expect_false (waittime < timeout_blocktime)) |
1985 | if (expect_false (waittime < timeout_blocktime)) |
… | |
… | |
1856 | |
2121 | |
1857 | if (expect_false (ev_is_active (w))) |
2122 | if (expect_false (ev_is_active (w))) |
1858 | return; |
2123 | return; |
1859 | |
2124 | |
1860 | assert (("ev_io_start called with negative fd", fd >= 0)); |
2125 | assert (("ev_io_start called with negative fd", fd >= 0)); |
|
|
2126 | assert (("ev_io start called with illegal event mask", !(w->events & ~(EV_IOFDSET | EV_READ | EV_WRITE)))); |
|
|
2127 | |
|
|
2128 | EV_FREQUENT_CHECK; |
1861 | |
2129 | |
1862 | ev_start (EV_A_ (W)w, 1); |
2130 | ev_start (EV_A_ (W)w, 1); |
1863 | array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init); |
2131 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
1864 | wlist_add (&anfds[fd].head, (WL)w); |
2132 | wlist_add (&anfds[fd].head, (WL)w); |
1865 | |
2133 | |
1866 | fd_change (EV_A_ fd, w->events & EV_IOFDSET | 1); |
2134 | fd_change (EV_A_ fd, w->events & EV_IOFDSET | 1); |
1867 | w->events &= ~EV_IOFDSET; |
2135 | w->events &= ~EV_IOFDSET; |
|
|
2136 | |
|
|
2137 | EV_FREQUENT_CHECK; |
1868 | } |
2138 | } |
1869 | |
2139 | |
1870 | void noinline |
2140 | void noinline |
1871 | ev_io_stop (EV_P_ ev_io *w) |
2141 | ev_io_stop (EV_P_ ev_io *w) |
1872 | { |
2142 | { |
1873 | clear_pending (EV_A_ (W)w); |
2143 | clear_pending (EV_A_ (W)w); |
1874 | if (expect_false (!ev_is_active (w))) |
2144 | if (expect_false (!ev_is_active (w))) |
1875 | return; |
2145 | return; |
1876 | |
2146 | |
1877 | assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
2147 | assert (("ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
|
|
2148 | |
|
|
2149 | EV_FREQUENT_CHECK; |
1878 | |
2150 | |
1879 | wlist_del (&anfds[w->fd].head, (WL)w); |
2151 | wlist_del (&anfds[w->fd].head, (WL)w); |
1880 | ev_stop (EV_A_ (W)w); |
2152 | ev_stop (EV_A_ (W)w); |
1881 | |
2153 | |
1882 | fd_change (EV_A_ w->fd, 1); |
2154 | fd_change (EV_A_ w->fd, 1); |
|
|
2155 | |
|
|
2156 | EV_FREQUENT_CHECK; |
1883 | } |
2157 | } |
1884 | |
2158 | |
1885 | void noinline |
2159 | void noinline |
1886 | ev_timer_start (EV_P_ ev_timer *w) |
2160 | ev_timer_start (EV_P_ ev_timer *w) |
1887 | { |
2161 | { |
… | |
… | |
1890 | |
2164 | |
1891 | ev_at (w) += mn_now; |
2165 | ev_at (w) += mn_now; |
1892 | |
2166 | |
1893 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
2167 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1894 | |
2168 | |
|
|
2169 | EV_FREQUENT_CHECK; |
|
|
2170 | |
|
|
2171 | ++timercnt; |
1895 | ev_start (EV_A_ (W)w, ++timercnt); |
2172 | ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1); |
1896 | array_needsize (WT, timers, timermax, timercnt + 1, EMPTY2); |
2173 | array_needsize (ANHE, timers, timermax, ev_active (w) + 1, EMPTY2); |
1897 | timers [timercnt] = (WT)w; |
2174 | ANHE_w (timers [ev_active (w)]) = (WT)w; |
|
|
2175 | ANHE_at_cache (timers [ev_active (w)]); |
1898 | upheap (timers, timercnt); |
2176 | upheap (timers, ev_active (w)); |
1899 | |
2177 | |
|
|
2178 | EV_FREQUENT_CHECK; |
|
|
2179 | |
1900 | /*assert (("internal timer heap corruption", timers [((W)w)->active] == w));*/ |
2180 | /*assert (("internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
1901 | } |
2181 | } |
1902 | |
2182 | |
1903 | void noinline |
2183 | void noinline |
1904 | ev_timer_stop (EV_P_ ev_timer *w) |
2184 | ev_timer_stop (EV_P_ ev_timer *w) |
1905 | { |
2185 | { |
1906 | clear_pending (EV_A_ (W)w); |
2186 | clear_pending (EV_A_ (W)w); |
1907 | if (expect_false (!ev_is_active (w))) |
2187 | if (expect_false (!ev_is_active (w))) |
1908 | return; |
2188 | return; |
1909 | |
2189 | |
1910 | assert (("internal timer heap corruption", timers [((W)w)->active] == (WT)w)); |
2190 | EV_FREQUENT_CHECK; |
1911 | |
2191 | |
1912 | { |
2192 | { |
1913 | int active = ((W)w)->active; |
2193 | int active = ev_active (w); |
1914 | |
2194 | |
|
|
2195 | assert (("internal timer heap corruption", ANHE_w (timers [active]) == (WT)w)); |
|
|
2196 | |
|
|
2197 | --timercnt; |
|
|
2198 | |
1915 | if (expect_true (active < timercnt)) |
2199 | if (expect_true (active < timercnt + HEAP0)) |
1916 | { |
2200 | { |
1917 | timers [active] = timers [timercnt]; |
2201 | timers [active] = timers [timercnt + HEAP0]; |
1918 | adjustheap (timers, timercnt, active); |
2202 | adjustheap (timers, timercnt, active); |
1919 | } |
2203 | } |
1920 | |
|
|
1921 | --timercnt; |
|
|
1922 | } |
2204 | } |
|
|
2205 | |
|
|
2206 | EV_FREQUENT_CHECK; |
1923 | |
2207 | |
1924 | ev_at (w) -= mn_now; |
2208 | ev_at (w) -= mn_now; |
1925 | |
2209 | |
1926 | ev_stop (EV_A_ (W)w); |
2210 | ev_stop (EV_A_ (W)w); |
1927 | } |
2211 | } |
1928 | |
2212 | |
1929 | void noinline |
2213 | void noinline |
1930 | ev_timer_again (EV_P_ ev_timer *w) |
2214 | ev_timer_again (EV_P_ ev_timer *w) |
1931 | { |
2215 | { |
|
|
2216 | EV_FREQUENT_CHECK; |
|
|
2217 | |
1932 | if (ev_is_active (w)) |
2218 | if (ev_is_active (w)) |
1933 | { |
2219 | { |
1934 | if (w->repeat) |
2220 | if (w->repeat) |
1935 | { |
2221 | { |
1936 | ev_at (w) = mn_now + w->repeat; |
2222 | ev_at (w) = mn_now + w->repeat; |
|
|
2223 | ANHE_at_cache (timers [ev_active (w)]); |
1937 | adjustheap (timers, timercnt, ((W)w)->active); |
2224 | adjustheap (timers, timercnt, ev_active (w)); |
1938 | } |
2225 | } |
1939 | else |
2226 | else |
1940 | ev_timer_stop (EV_A_ w); |
2227 | ev_timer_stop (EV_A_ w); |
1941 | } |
2228 | } |
1942 | else if (w->repeat) |
2229 | else if (w->repeat) |
1943 | { |
2230 | { |
1944 | ev_at (w) = w->repeat; |
2231 | ev_at (w) = w->repeat; |
1945 | ev_timer_start (EV_A_ w); |
2232 | ev_timer_start (EV_A_ w); |
1946 | } |
2233 | } |
|
|
2234 | |
|
|
2235 | EV_FREQUENT_CHECK; |
1947 | } |
2236 | } |
1948 | |
2237 | |
1949 | #if EV_PERIODIC_ENABLE |
2238 | #if EV_PERIODIC_ENABLE |
1950 | void noinline |
2239 | void noinline |
1951 | ev_periodic_start (EV_P_ ev_periodic *w) |
2240 | ev_periodic_start (EV_P_ ev_periodic *w) |
… | |
… | |
1962 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
2251 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
1963 | } |
2252 | } |
1964 | else |
2253 | else |
1965 | ev_at (w) = w->offset; |
2254 | ev_at (w) = w->offset; |
1966 | |
2255 | |
|
|
2256 | EV_FREQUENT_CHECK; |
|
|
2257 | |
|
|
2258 | ++periodiccnt; |
1967 | ev_start (EV_A_ (W)w, ++periodiccnt); |
2259 | ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1); |
1968 | array_needsize (WT, periodics, periodicmax, periodiccnt + 1, EMPTY2); |
2260 | array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, EMPTY2); |
1969 | periodics [periodiccnt] = (WT)w; |
2261 | ANHE_w (periodics [ev_active (w)]) = (WT)w; |
1970 | upheap (periodics, periodiccnt); |
2262 | ANHE_at_cache (periodics [ev_active (w)]); |
|
|
2263 | upheap (periodics, ev_active (w)); |
1971 | |
2264 | |
|
|
2265 | EV_FREQUENT_CHECK; |
|
|
2266 | |
1972 | /*assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));*/ |
2267 | /*assert (("internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
1973 | } |
2268 | } |
1974 | |
2269 | |
1975 | void noinline |
2270 | void noinline |
1976 | ev_periodic_stop (EV_P_ ev_periodic *w) |
2271 | ev_periodic_stop (EV_P_ ev_periodic *w) |
1977 | { |
2272 | { |
1978 | clear_pending (EV_A_ (W)w); |
2273 | clear_pending (EV_A_ (W)w); |
1979 | if (expect_false (!ev_is_active (w))) |
2274 | if (expect_false (!ev_is_active (w))) |
1980 | return; |
2275 | return; |
1981 | |
2276 | |
1982 | assert (("internal periodic heap corruption", periodics [((W)w)->active] == (WT)w)); |
2277 | EV_FREQUENT_CHECK; |
1983 | |
2278 | |
1984 | { |
2279 | { |
1985 | int active = ((W)w)->active; |
2280 | int active = ev_active (w); |
1986 | |
2281 | |
|
|
2282 | assert (("internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w)); |
|
|
2283 | |
|
|
2284 | --periodiccnt; |
|
|
2285 | |
1987 | if (expect_true (active < periodiccnt)) |
2286 | if (expect_true (active < periodiccnt + HEAP0)) |
1988 | { |
2287 | { |
1989 | periodics [active] = periodics [periodiccnt]; |
2288 | periodics [active] = periodics [periodiccnt + HEAP0]; |
1990 | adjustheap (periodics, periodiccnt, active); |
2289 | adjustheap (periodics, periodiccnt, active); |
1991 | } |
2290 | } |
1992 | |
|
|
1993 | --periodiccnt; |
|
|
1994 | } |
2291 | } |
|
|
2292 | |
|
|
2293 | EV_FREQUENT_CHECK; |
1995 | |
2294 | |
1996 | ev_stop (EV_A_ (W)w); |
2295 | ev_stop (EV_A_ (W)w); |
1997 | } |
2296 | } |
1998 | |
2297 | |
1999 | void noinline |
2298 | void noinline |
… | |
… | |
2019 | return; |
2318 | return; |
2020 | |
2319 | |
2021 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
2320 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
2022 | |
2321 | |
2023 | evpipe_init (EV_A); |
2322 | evpipe_init (EV_A); |
|
|
2323 | |
|
|
2324 | EV_FREQUENT_CHECK; |
2024 | |
2325 | |
2025 | { |
2326 | { |
2026 | #ifndef _WIN32 |
2327 | #ifndef _WIN32 |
2027 | sigset_t full, prev; |
2328 | sigset_t full, prev; |
2028 | sigfillset (&full); |
2329 | sigfillset (&full); |
2029 | sigprocmask (SIG_SETMASK, &full, &prev); |
2330 | sigprocmask (SIG_SETMASK, &full, &prev); |
2030 | #endif |
2331 | #endif |
2031 | |
2332 | |
2032 | array_needsize (ANSIG, signals, signalmax, w->signum, signals_init); |
2333 | array_needsize (ANSIG, signals, signalmax, w->signum, array_init_zero); |
2033 | |
2334 | |
2034 | #ifndef _WIN32 |
2335 | #ifndef _WIN32 |
2035 | sigprocmask (SIG_SETMASK, &prev, 0); |
2336 | sigprocmask (SIG_SETMASK, &prev, 0); |
2036 | #endif |
2337 | #endif |
2037 | } |
2338 | } |
… | |
… | |
2049 | sigfillset (&sa.sa_mask); |
2350 | sigfillset (&sa.sa_mask); |
2050 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
2351 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
2051 | sigaction (w->signum, &sa, 0); |
2352 | sigaction (w->signum, &sa, 0); |
2052 | #endif |
2353 | #endif |
2053 | } |
2354 | } |
|
|
2355 | |
|
|
2356 | EV_FREQUENT_CHECK; |
2054 | } |
2357 | } |
2055 | |
2358 | |
2056 | void noinline |
2359 | void noinline |
2057 | ev_signal_stop (EV_P_ ev_signal *w) |
2360 | ev_signal_stop (EV_P_ ev_signal *w) |
2058 | { |
2361 | { |
2059 | clear_pending (EV_A_ (W)w); |
2362 | clear_pending (EV_A_ (W)w); |
2060 | if (expect_false (!ev_is_active (w))) |
2363 | if (expect_false (!ev_is_active (w))) |
2061 | return; |
2364 | return; |
2062 | |
2365 | |
|
|
2366 | EV_FREQUENT_CHECK; |
|
|
2367 | |
2063 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
2368 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
2064 | ev_stop (EV_A_ (W)w); |
2369 | ev_stop (EV_A_ (W)w); |
2065 | |
2370 | |
2066 | if (!signals [w->signum - 1].head) |
2371 | if (!signals [w->signum - 1].head) |
2067 | signal (w->signum, SIG_DFL); |
2372 | signal (w->signum, SIG_DFL); |
|
|
2373 | |
|
|
2374 | EV_FREQUENT_CHECK; |
2068 | } |
2375 | } |
2069 | |
2376 | |
2070 | void |
2377 | void |
2071 | ev_child_start (EV_P_ ev_child *w) |
2378 | ev_child_start (EV_P_ ev_child *w) |
2072 | { |
2379 | { |
… | |
… | |
2074 | assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
2381 | assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
2075 | #endif |
2382 | #endif |
2076 | if (expect_false (ev_is_active (w))) |
2383 | if (expect_false (ev_is_active (w))) |
2077 | return; |
2384 | return; |
2078 | |
2385 | |
|
|
2386 | EV_FREQUENT_CHECK; |
|
|
2387 | |
2079 | ev_start (EV_A_ (W)w, 1); |
2388 | ev_start (EV_A_ (W)w, 1); |
2080 | wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
2389 | wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
|
|
2390 | |
|
|
2391 | EV_FREQUENT_CHECK; |
2081 | } |
2392 | } |
2082 | |
2393 | |
2083 | void |
2394 | void |
2084 | ev_child_stop (EV_P_ ev_child *w) |
2395 | ev_child_stop (EV_P_ ev_child *w) |
2085 | { |
2396 | { |
2086 | clear_pending (EV_A_ (W)w); |
2397 | clear_pending (EV_A_ (W)w); |
2087 | if (expect_false (!ev_is_active (w))) |
2398 | if (expect_false (!ev_is_active (w))) |
2088 | return; |
2399 | return; |
2089 | |
2400 | |
|
|
2401 | EV_FREQUENT_CHECK; |
|
|
2402 | |
2090 | wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
2403 | wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
2091 | ev_stop (EV_A_ (W)w); |
2404 | ev_stop (EV_A_ (W)w); |
|
|
2405 | |
|
|
2406 | EV_FREQUENT_CHECK; |
2092 | } |
2407 | } |
2093 | |
2408 | |
2094 | #if EV_STAT_ENABLE |
2409 | #if EV_STAT_ENABLE |
2095 | |
2410 | |
2096 | # ifdef _WIN32 |
2411 | # ifdef _WIN32 |
… | |
… | |
2114 | if (w->wd < 0) |
2429 | if (w->wd < 0) |
2115 | { |
2430 | { |
2116 | ev_timer_start (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */ |
2431 | ev_timer_start (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */ |
2117 | |
2432 | |
2118 | /* monitor some parent directory for speedup hints */ |
2433 | /* monitor some parent directory for speedup hints */ |
|
|
2434 | /* note that exceeding the hardcoded limit is not a correctness issue, */ |
|
|
2435 | /* but an efficiency issue only */ |
2119 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
2436 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
2120 | { |
2437 | { |
2121 | char path [4096]; |
2438 | char path [4096]; |
2122 | strcpy (path, w->path); |
2439 | strcpy (path, w->path); |
2123 | |
2440 | |
… | |
… | |
2163 | |
2480 | |
2164 | static void noinline |
2481 | static void noinline |
2165 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
2482 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
2166 | { |
2483 | { |
2167 | if (slot < 0) |
2484 | if (slot < 0) |
2168 | /* overflow, need to check for all hahs slots */ |
2485 | /* overflow, need to check for all hash slots */ |
2169 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
2486 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
2170 | infy_wd (EV_A_ slot, wd, ev); |
2487 | infy_wd (EV_A_ slot, wd, ev); |
2171 | else |
2488 | else |
2172 | { |
2489 | { |
2173 | WL w_; |
2490 | WL w_; |
… | |
… | |
2207 | infy_init (EV_P) |
2524 | infy_init (EV_P) |
2208 | { |
2525 | { |
2209 | if (fs_fd != -2) |
2526 | if (fs_fd != -2) |
2210 | return; |
2527 | return; |
2211 | |
2528 | |
|
|
2529 | /* kernels < 2.6.25 are borked |
|
|
2530 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
|
|
2531 | */ |
|
|
2532 | { |
|
|
2533 | struct utsname buf; |
|
|
2534 | int major, minor, micro; |
|
|
2535 | |
|
|
2536 | fs_fd = -1; |
|
|
2537 | |
|
|
2538 | if (uname (&buf)) |
|
|
2539 | return; |
|
|
2540 | |
|
|
2541 | if (sscanf (buf.release, "%d.%d.%d", &major, &minor, µ) != 3) |
|
|
2542 | return; |
|
|
2543 | |
|
|
2544 | if (major < 2 |
|
|
2545 | || (major == 2 && minor < 6) |
|
|
2546 | || (major == 2 && minor == 6 && micro < 25)) |
|
|
2547 | return; |
|
|
2548 | } |
|
|
2549 | |
2212 | fs_fd = inotify_init (); |
2550 | fs_fd = inotify_init (); |
2213 | |
2551 | |
2214 | if (fs_fd >= 0) |
2552 | if (fs_fd >= 0) |
2215 | { |
2553 | { |
2216 | ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ); |
2554 | ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ); |
… | |
… | |
2245 | if (fs_fd >= 0) |
2583 | if (fs_fd >= 0) |
2246 | infy_add (EV_A_ w); /* re-add, no matter what */ |
2584 | infy_add (EV_A_ w); /* re-add, no matter what */ |
2247 | else |
2585 | else |
2248 | ev_timer_start (EV_A_ &w->timer); |
2586 | ev_timer_start (EV_A_ &w->timer); |
2249 | } |
2587 | } |
2250 | |
|
|
2251 | } |
2588 | } |
2252 | } |
2589 | } |
2253 | |
2590 | |
|
|
2591 | #endif |
|
|
2592 | |
|
|
2593 | #ifdef _WIN32 |
|
|
2594 | # define EV_LSTAT(p,b) _stati64 (p, b) |
|
|
2595 | #else |
|
|
2596 | # define EV_LSTAT(p,b) lstat (p, b) |
2254 | #endif |
2597 | #endif |
2255 | |
2598 | |
2256 | void |
2599 | void |
2257 | ev_stat_stat (EV_P_ ev_stat *w) |
2600 | ev_stat_stat (EV_P_ ev_stat *w) |
2258 | { |
2601 | { |
… | |
… | |
2285 | || w->prev.st_atime != w->attr.st_atime |
2628 | || w->prev.st_atime != w->attr.st_atime |
2286 | || w->prev.st_mtime != w->attr.st_mtime |
2629 | || w->prev.st_mtime != w->attr.st_mtime |
2287 | || w->prev.st_ctime != w->attr.st_ctime |
2630 | || w->prev.st_ctime != w->attr.st_ctime |
2288 | ) { |
2631 | ) { |
2289 | #if EV_USE_INOTIFY |
2632 | #if EV_USE_INOTIFY |
|
|
2633 | if (fs_fd >= 0) |
|
|
2634 | { |
2290 | infy_del (EV_A_ w); |
2635 | infy_del (EV_A_ w); |
2291 | infy_add (EV_A_ w); |
2636 | infy_add (EV_A_ w); |
2292 | ev_stat_stat (EV_A_ w); /* avoid race... */ |
2637 | ev_stat_stat (EV_A_ w); /* avoid race... */ |
|
|
2638 | } |
2293 | #endif |
2639 | #endif |
2294 | |
2640 | |
2295 | ev_feed_event (EV_A_ w, EV_STAT); |
2641 | ev_feed_event (EV_A_ w, EV_STAT); |
2296 | } |
2642 | } |
2297 | } |
2643 | } |
… | |
… | |
2322 | else |
2668 | else |
2323 | #endif |
2669 | #endif |
2324 | ev_timer_start (EV_A_ &w->timer); |
2670 | ev_timer_start (EV_A_ &w->timer); |
2325 | |
2671 | |
2326 | ev_start (EV_A_ (W)w, 1); |
2672 | ev_start (EV_A_ (W)w, 1); |
|
|
2673 | |
|
|
2674 | EV_FREQUENT_CHECK; |
2327 | } |
2675 | } |
2328 | |
2676 | |
2329 | void |
2677 | void |
2330 | ev_stat_stop (EV_P_ ev_stat *w) |
2678 | ev_stat_stop (EV_P_ ev_stat *w) |
2331 | { |
2679 | { |
2332 | clear_pending (EV_A_ (W)w); |
2680 | clear_pending (EV_A_ (W)w); |
2333 | if (expect_false (!ev_is_active (w))) |
2681 | if (expect_false (!ev_is_active (w))) |
2334 | return; |
2682 | return; |
2335 | |
2683 | |
|
|
2684 | EV_FREQUENT_CHECK; |
|
|
2685 | |
2336 | #if EV_USE_INOTIFY |
2686 | #if EV_USE_INOTIFY |
2337 | infy_del (EV_A_ w); |
2687 | infy_del (EV_A_ w); |
2338 | #endif |
2688 | #endif |
2339 | ev_timer_stop (EV_A_ &w->timer); |
2689 | ev_timer_stop (EV_A_ &w->timer); |
2340 | |
2690 | |
2341 | ev_stop (EV_A_ (W)w); |
2691 | ev_stop (EV_A_ (W)w); |
|
|
2692 | |
|
|
2693 | EV_FREQUENT_CHECK; |
2342 | } |
2694 | } |
2343 | #endif |
2695 | #endif |
2344 | |
2696 | |
2345 | #if EV_IDLE_ENABLE |
2697 | #if EV_IDLE_ENABLE |
2346 | void |
2698 | void |
… | |
… | |
2348 | { |
2700 | { |
2349 | if (expect_false (ev_is_active (w))) |
2701 | if (expect_false (ev_is_active (w))) |
2350 | return; |
2702 | return; |
2351 | |
2703 | |
2352 | pri_adjust (EV_A_ (W)w); |
2704 | pri_adjust (EV_A_ (W)w); |
|
|
2705 | |
|
|
2706 | EV_FREQUENT_CHECK; |
2353 | |
2707 | |
2354 | { |
2708 | { |
2355 | int active = ++idlecnt [ABSPRI (w)]; |
2709 | int active = ++idlecnt [ABSPRI (w)]; |
2356 | |
2710 | |
2357 | ++idleall; |
2711 | ++idleall; |
2358 | ev_start (EV_A_ (W)w, active); |
2712 | ev_start (EV_A_ (W)w, active); |
2359 | |
2713 | |
2360 | array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2); |
2714 | array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2); |
2361 | idles [ABSPRI (w)][active - 1] = w; |
2715 | idles [ABSPRI (w)][active - 1] = w; |
2362 | } |
2716 | } |
|
|
2717 | |
|
|
2718 | EV_FREQUENT_CHECK; |
2363 | } |
2719 | } |
2364 | |
2720 | |
2365 | void |
2721 | void |
2366 | ev_idle_stop (EV_P_ ev_idle *w) |
2722 | ev_idle_stop (EV_P_ ev_idle *w) |
2367 | { |
2723 | { |
2368 | clear_pending (EV_A_ (W)w); |
2724 | clear_pending (EV_A_ (W)w); |
2369 | if (expect_false (!ev_is_active (w))) |
2725 | if (expect_false (!ev_is_active (w))) |
2370 | return; |
2726 | return; |
2371 | |
2727 | |
|
|
2728 | EV_FREQUENT_CHECK; |
|
|
2729 | |
2372 | { |
2730 | { |
2373 | int active = ((W)w)->active; |
2731 | int active = ev_active (w); |
2374 | |
2732 | |
2375 | idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]]; |
2733 | idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]]; |
2376 | ((W)idles [ABSPRI (w)][active - 1])->active = active; |
2734 | ev_active (idles [ABSPRI (w)][active - 1]) = active; |
2377 | |
2735 | |
2378 | ev_stop (EV_A_ (W)w); |
2736 | ev_stop (EV_A_ (W)w); |
2379 | --idleall; |
2737 | --idleall; |
2380 | } |
2738 | } |
|
|
2739 | |
|
|
2740 | EV_FREQUENT_CHECK; |
2381 | } |
2741 | } |
2382 | #endif |
2742 | #endif |
2383 | |
2743 | |
2384 | void |
2744 | void |
2385 | ev_prepare_start (EV_P_ ev_prepare *w) |
2745 | ev_prepare_start (EV_P_ ev_prepare *w) |
2386 | { |
2746 | { |
2387 | if (expect_false (ev_is_active (w))) |
2747 | if (expect_false (ev_is_active (w))) |
2388 | return; |
2748 | return; |
|
|
2749 | |
|
|
2750 | EV_FREQUENT_CHECK; |
2389 | |
2751 | |
2390 | ev_start (EV_A_ (W)w, ++preparecnt); |
2752 | ev_start (EV_A_ (W)w, ++preparecnt); |
2391 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
2753 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
2392 | prepares [preparecnt - 1] = w; |
2754 | prepares [preparecnt - 1] = w; |
|
|
2755 | |
|
|
2756 | EV_FREQUENT_CHECK; |
2393 | } |
2757 | } |
2394 | |
2758 | |
2395 | void |
2759 | void |
2396 | ev_prepare_stop (EV_P_ ev_prepare *w) |
2760 | ev_prepare_stop (EV_P_ ev_prepare *w) |
2397 | { |
2761 | { |
2398 | clear_pending (EV_A_ (W)w); |
2762 | clear_pending (EV_A_ (W)w); |
2399 | if (expect_false (!ev_is_active (w))) |
2763 | if (expect_false (!ev_is_active (w))) |
2400 | return; |
2764 | return; |
2401 | |
2765 | |
|
|
2766 | EV_FREQUENT_CHECK; |
|
|
2767 | |
2402 | { |
2768 | { |
2403 | int active = ((W)w)->active; |
2769 | int active = ev_active (w); |
|
|
2770 | |
2404 | prepares [active - 1] = prepares [--preparecnt]; |
2771 | prepares [active - 1] = prepares [--preparecnt]; |
2405 | ((W)prepares [active - 1])->active = active; |
2772 | ev_active (prepares [active - 1]) = active; |
2406 | } |
2773 | } |
2407 | |
2774 | |
2408 | ev_stop (EV_A_ (W)w); |
2775 | ev_stop (EV_A_ (W)w); |
|
|
2776 | |
|
|
2777 | EV_FREQUENT_CHECK; |
2409 | } |
2778 | } |
2410 | |
2779 | |
2411 | void |
2780 | void |
2412 | ev_check_start (EV_P_ ev_check *w) |
2781 | ev_check_start (EV_P_ ev_check *w) |
2413 | { |
2782 | { |
2414 | if (expect_false (ev_is_active (w))) |
2783 | if (expect_false (ev_is_active (w))) |
2415 | return; |
2784 | return; |
|
|
2785 | |
|
|
2786 | EV_FREQUENT_CHECK; |
2416 | |
2787 | |
2417 | ev_start (EV_A_ (W)w, ++checkcnt); |
2788 | ev_start (EV_A_ (W)w, ++checkcnt); |
2418 | array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); |
2789 | array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); |
2419 | checks [checkcnt - 1] = w; |
2790 | checks [checkcnt - 1] = w; |
|
|
2791 | |
|
|
2792 | EV_FREQUENT_CHECK; |
2420 | } |
2793 | } |
2421 | |
2794 | |
2422 | void |
2795 | void |
2423 | ev_check_stop (EV_P_ ev_check *w) |
2796 | ev_check_stop (EV_P_ ev_check *w) |
2424 | { |
2797 | { |
2425 | clear_pending (EV_A_ (W)w); |
2798 | clear_pending (EV_A_ (W)w); |
2426 | if (expect_false (!ev_is_active (w))) |
2799 | if (expect_false (!ev_is_active (w))) |
2427 | return; |
2800 | return; |
2428 | |
2801 | |
|
|
2802 | EV_FREQUENT_CHECK; |
|
|
2803 | |
2429 | { |
2804 | { |
2430 | int active = ((W)w)->active; |
2805 | int active = ev_active (w); |
|
|
2806 | |
2431 | checks [active - 1] = checks [--checkcnt]; |
2807 | checks [active - 1] = checks [--checkcnt]; |
2432 | ((W)checks [active - 1])->active = active; |
2808 | ev_active (checks [active - 1]) = active; |
2433 | } |
2809 | } |
2434 | |
2810 | |
2435 | ev_stop (EV_A_ (W)w); |
2811 | ev_stop (EV_A_ (W)w); |
|
|
2812 | |
|
|
2813 | EV_FREQUENT_CHECK; |
2436 | } |
2814 | } |
2437 | |
2815 | |
2438 | #if EV_EMBED_ENABLE |
2816 | #if EV_EMBED_ENABLE |
2439 | void noinline |
2817 | void noinline |
2440 | ev_embed_sweep (EV_P_ ev_embed *w) |
2818 | ev_embed_sweep (EV_P_ ev_embed *w) |
… | |
… | |
2467 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
2845 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
2468 | } |
2846 | } |
2469 | } |
2847 | } |
2470 | } |
2848 | } |
2471 | |
2849 | |
|
|
2850 | static void |
|
|
2851 | embed_fork_cb (EV_P_ ev_fork *fork_w, int revents) |
|
|
2852 | { |
|
|
2853 | ev_embed *w = (ev_embed *)(((char *)fork_w) - offsetof (ev_embed, fork)); |
|
|
2854 | |
|
|
2855 | { |
|
|
2856 | struct ev_loop *loop = w->other; |
|
|
2857 | |
|
|
2858 | ev_loop_fork (EV_A); |
|
|
2859 | } |
|
|
2860 | } |
|
|
2861 | |
2472 | #if 0 |
2862 | #if 0 |
2473 | static void |
2863 | static void |
2474 | embed_idle_cb (EV_P_ ev_idle *idle, int revents) |
2864 | embed_idle_cb (EV_P_ ev_idle *idle, int revents) |
2475 | { |
2865 | { |
2476 | ev_idle_stop (EV_A_ idle); |
2866 | ev_idle_stop (EV_A_ idle); |
… | |
… | |
2487 | struct ev_loop *loop = w->other; |
2877 | struct ev_loop *loop = w->other; |
2488 | assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
2878 | assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
2489 | ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ); |
2879 | ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ); |
2490 | } |
2880 | } |
2491 | |
2881 | |
|
|
2882 | EV_FREQUENT_CHECK; |
|
|
2883 | |
2492 | ev_set_priority (&w->io, ev_priority (w)); |
2884 | ev_set_priority (&w->io, ev_priority (w)); |
2493 | ev_io_start (EV_A_ &w->io); |
2885 | ev_io_start (EV_A_ &w->io); |
2494 | |
2886 | |
2495 | ev_prepare_init (&w->prepare, embed_prepare_cb); |
2887 | ev_prepare_init (&w->prepare, embed_prepare_cb); |
2496 | ev_set_priority (&w->prepare, EV_MINPRI); |
2888 | ev_set_priority (&w->prepare, EV_MINPRI); |
2497 | ev_prepare_start (EV_A_ &w->prepare); |
2889 | ev_prepare_start (EV_A_ &w->prepare); |
2498 | |
2890 | |
|
|
2891 | ev_fork_init (&w->fork, embed_fork_cb); |
|
|
2892 | ev_fork_start (EV_A_ &w->fork); |
|
|
2893 | |
2499 | /*ev_idle_init (&w->idle, e,bed_idle_cb);*/ |
2894 | /*ev_idle_init (&w->idle, e,bed_idle_cb);*/ |
2500 | |
2895 | |
2501 | ev_start (EV_A_ (W)w, 1); |
2896 | ev_start (EV_A_ (W)w, 1); |
|
|
2897 | |
|
|
2898 | EV_FREQUENT_CHECK; |
2502 | } |
2899 | } |
2503 | |
2900 | |
2504 | void |
2901 | void |
2505 | ev_embed_stop (EV_P_ ev_embed *w) |
2902 | ev_embed_stop (EV_P_ ev_embed *w) |
2506 | { |
2903 | { |
2507 | clear_pending (EV_A_ (W)w); |
2904 | clear_pending (EV_A_ (W)w); |
2508 | if (expect_false (!ev_is_active (w))) |
2905 | if (expect_false (!ev_is_active (w))) |
2509 | return; |
2906 | return; |
2510 | |
2907 | |
|
|
2908 | EV_FREQUENT_CHECK; |
|
|
2909 | |
2511 | ev_io_stop (EV_A_ &w->io); |
2910 | ev_io_stop (EV_A_ &w->io); |
2512 | ev_prepare_stop (EV_A_ &w->prepare); |
2911 | ev_prepare_stop (EV_A_ &w->prepare); |
|
|
2912 | ev_fork_stop (EV_A_ &w->fork); |
2513 | |
2913 | |
2514 | ev_stop (EV_A_ (W)w); |
2914 | EV_FREQUENT_CHECK; |
2515 | } |
2915 | } |
2516 | #endif |
2916 | #endif |
2517 | |
2917 | |
2518 | #if EV_FORK_ENABLE |
2918 | #if EV_FORK_ENABLE |
2519 | void |
2919 | void |
2520 | ev_fork_start (EV_P_ ev_fork *w) |
2920 | ev_fork_start (EV_P_ ev_fork *w) |
2521 | { |
2921 | { |
2522 | if (expect_false (ev_is_active (w))) |
2922 | if (expect_false (ev_is_active (w))) |
2523 | return; |
2923 | return; |
|
|
2924 | |
|
|
2925 | EV_FREQUENT_CHECK; |
2524 | |
2926 | |
2525 | ev_start (EV_A_ (W)w, ++forkcnt); |
2927 | ev_start (EV_A_ (W)w, ++forkcnt); |
2526 | array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2); |
2928 | array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2); |
2527 | forks [forkcnt - 1] = w; |
2929 | forks [forkcnt - 1] = w; |
|
|
2930 | |
|
|
2931 | EV_FREQUENT_CHECK; |
2528 | } |
2932 | } |
2529 | |
2933 | |
2530 | void |
2934 | void |
2531 | ev_fork_stop (EV_P_ ev_fork *w) |
2935 | ev_fork_stop (EV_P_ ev_fork *w) |
2532 | { |
2936 | { |
2533 | clear_pending (EV_A_ (W)w); |
2937 | clear_pending (EV_A_ (W)w); |
2534 | if (expect_false (!ev_is_active (w))) |
2938 | if (expect_false (!ev_is_active (w))) |
2535 | return; |
2939 | return; |
2536 | |
2940 | |
|
|
2941 | EV_FREQUENT_CHECK; |
|
|
2942 | |
2537 | { |
2943 | { |
2538 | int active = ((W)w)->active; |
2944 | int active = ev_active (w); |
|
|
2945 | |
2539 | forks [active - 1] = forks [--forkcnt]; |
2946 | forks [active - 1] = forks [--forkcnt]; |
2540 | ((W)forks [active - 1])->active = active; |
2947 | ev_active (forks [active - 1]) = active; |
2541 | } |
2948 | } |
2542 | |
2949 | |
2543 | ev_stop (EV_A_ (W)w); |
2950 | ev_stop (EV_A_ (W)w); |
|
|
2951 | |
|
|
2952 | EV_FREQUENT_CHECK; |
2544 | } |
2953 | } |
2545 | #endif |
2954 | #endif |
2546 | |
2955 | |
2547 | #if EV_ASYNC_ENABLE |
2956 | #if EV_ASYNC_ENABLE |
2548 | void |
2957 | void |
… | |
… | |
2550 | { |
2959 | { |
2551 | if (expect_false (ev_is_active (w))) |
2960 | if (expect_false (ev_is_active (w))) |
2552 | return; |
2961 | return; |
2553 | |
2962 | |
2554 | evpipe_init (EV_A); |
2963 | evpipe_init (EV_A); |
|
|
2964 | |
|
|
2965 | EV_FREQUENT_CHECK; |
2555 | |
2966 | |
2556 | ev_start (EV_A_ (W)w, ++asynccnt); |
2967 | ev_start (EV_A_ (W)w, ++asynccnt); |
2557 | array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2); |
2968 | array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2); |
2558 | asyncs [asynccnt - 1] = w; |
2969 | asyncs [asynccnt - 1] = w; |
|
|
2970 | |
|
|
2971 | EV_FREQUENT_CHECK; |
2559 | } |
2972 | } |
2560 | |
2973 | |
2561 | void |
2974 | void |
2562 | ev_async_stop (EV_P_ ev_async *w) |
2975 | ev_async_stop (EV_P_ ev_async *w) |
2563 | { |
2976 | { |
2564 | clear_pending (EV_A_ (W)w); |
2977 | clear_pending (EV_A_ (W)w); |
2565 | if (expect_false (!ev_is_active (w))) |
2978 | if (expect_false (!ev_is_active (w))) |
2566 | return; |
2979 | return; |
2567 | |
2980 | |
|
|
2981 | EV_FREQUENT_CHECK; |
|
|
2982 | |
2568 | { |
2983 | { |
2569 | int active = ((W)w)->active; |
2984 | int active = ev_active (w); |
|
|
2985 | |
2570 | asyncs [active - 1] = asyncs [--asynccnt]; |
2986 | asyncs [active - 1] = asyncs [--asynccnt]; |
2571 | ((W)asyncs [active - 1])->active = active; |
2987 | ev_active (asyncs [active - 1]) = active; |
2572 | } |
2988 | } |
2573 | |
2989 | |
2574 | ev_stop (EV_A_ (W)w); |
2990 | ev_stop (EV_A_ (W)w); |
|
|
2991 | |
|
|
2992 | EV_FREQUENT_CHECK; |
2575 | } |
2993 | } |
2576 | |
2994 | |
2577 | void |
2995 | void |
2578 | ev_async_send (EV_P_ ev_async *w) |
2996 | ev_async_send (EV_P_ ev_async *w) |
2579 | { |
2997 | { |
… | |
… | |
2596 | once_cb (EV_P_ struct ev_once *once, int revents) |
3014 | once_cb (EV_P_ struct ev_once *once, int revents) |
2597 | { |
3015 | { |
2598 | void (*cb)(int revents, void *arg) = once->cb; |
3016 | void (*cb)(int revents, void *arg) = once->cb; |
2599 | void *arg = once->arg; |
3017 | void *arg = once->arg; |
2600 | |
3018 | |
2601 | ev_io_stop (EV_A_ &once->io); |
3019 | ev_io_stop (EV_A_ &once->io); |
2602 | ev_timer_stop (EV_A_ &once->to); |
3020 | ev_timer_stop (EV_A_ &once->to); |
2603 | ev_free (once); |
3021 | ev_free (once); |
2604 | |
3022 | |
2605 | cb (revents, arg); |
3023 | cb (revents, arg); |
2606 | } |
3024 | } |
2607 | |
3025 | |
2608 | static void |
3026 | static void |
2609 | once_cb_io (EV_P_ ev_io *w, int revents) |
3027 | once_cb_io (EV_P_ ev_io *w, int revents) |
2610 | { |
3028 | { |
2611 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, io)), revents); |
3029 | struct ev_once *once = (struct ev_once *)(((char *)w) - offsetof (struct ev_once, io)); |
|
|
3030 | |
|
|
3031 | once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->to)); |
2612 | } |
3032 | } |
2613 | |
3033 | |
2614 | static void |
3034 | static void |
2615 | once_cb_to (EV_P_ ev_timer *w, int revents) |
3035 | once_cb_to (EV_P_ ev_timer *w, int revents) |
2616 | { |
3036 | { |
2617 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, to)), revents); |
3037 | struct ev_once *once = (struct ev_once *)(((char *)w) - offsetof (struct ev_once, to)); |
|
|
3038 | |
|
|
3039 | once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); |
2618 | } |
3040 | } |
2619 | |
3041 | |
2620 | void |
3042 | void |
2621 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
3043 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
2622 | { |
3044 | { |