… | |
… | |
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 |
… | |
… | |
349 | { |
388 | { |
350 | syserr_cb = cb; |
389 | syserr_cb = cb; |
351 | } |
390 | } |
352 | |
391 | |
353 | static void noinline |
392 | static void noinline |
354 | syserr (const char *msg) |
393 | ev_syserr (const char *msg) |
355 | { |
394 | { |
356 | if (!msg) |
395 | if (!msg) |
357 | msg = "(libev) system error"; |
396 | msg = "(libev) system error"; |
358 | |
397 | |
359 | if (syserr_cb) |
398 | if (syserr_cb) |
… | |
… | |
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 unused; |
|
|
456 | #if EV_USE_EPOLL |
|
|
457 | unsigned int egen; /* generation counter to counter epoll bugs */ |
|
|
458 | #endif |
415 | #if EV_SELECT_IS_WINSOCKET |
459 | #if EV_SELECT_IS_WINSOCKET |
416 | SOCKET handle; |
460 | SOCKET handle; |
417 | #endif |
461 | #endif |
418 | } ANFD; |
462 | } ANFD; |
419 | |
463 | |
… | |
… | |
422 | W w; |
466 | W w; |
423 | int events; |
467 | int events; |
424 | } ANPENDING; |
468 | } ANPENDING; |
425 | |
469 | |
426 | #if EV_USE_INOTIFY |
470 | #if EV_USE_INOTIFY |
|
|
471 | /* hash table entry per inotify-id */ |
427 | typedef struct |
472 | typedef struct |
428 | { |
473 | { |
429 | WL head; |
474 | WL head; |
430 | } 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) |
431 | #endif |
494 | #endif |
432 | |
495 | |
433 | #if EV_MULTIPLICITY |
496 | #if EV_MULTIPLICITY |
434 | |
497 | |
435 | struct ev_loop |
498 | struct ev_loop |
… | |
… | |
513 | struct timeval tv; |
576 | struct timeval tv; |
514 | |
577 | |
515 | tv.tv_sec = (time_t)delay; |
578 | tv.tv_sec = (time_t)delay; |
516 | tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); |
579 | tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); |
517 | |
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 */ |
518 | select (0, 0, 0, 0, &tv); |
584 | select (0, 0, 0, 0, &tv); |
519 | #endif |
585 | #endif |
520 | } |
586 | } |
521 | } |
587 | } |
522 | |
588 | |
… | |
… | |
549 | array_realloc (int elem, void *base, int *cur, int cnt) |
615 | array_realloc (int elem, void *base, int *cur, int cnt) |
550 | { |
616 | { |
551 | *cur = array_nextsize (elem, *cur, cnt); |
617 | *cur = array_nextsize (elem, *cur, cnt); |
552 | return ev_realloc (base, elem * *cur); |
618 | return ev_realloc (base, elem * *cur); |
553 | } |
619 | } |
|
|
620 | |
|
|
621 | #define array_init_zero(base,count) \ |
|
|
622 | memset ((void *)(base), 0, sizeof (*(base)) * (count)) |
554 | |
623 | |
555 | #define array_needsize(type,base,cur,cnt,init) \ |
624 | #define array_needsize(type,base,cur,cnt,init) \ |
556 | if (expect_false ((cnt) > (cur))) \ |
625 | if (expect_false ((cnt) > (cur))) \ |
557 | { \ |
626 | { \ |
558 | int ocur_ = (cur); \ |
627 | int ocur_ = (cur); \ |
… | |
… | |
602 | ev_feed_event (EV_A_ events [i], type); |
671 | ev_feed_event (EV_A_ events [i], type); |
603 | } |
672 | } |
604 | |
673 | |
605 | /*****************************************************************************/ |
674 | /*****************************************************************************/ |
606 | |
675 | |
607 | void inline_size |
|
|
608 | anfds_init (ANFD *base, int count) |
|
|
609 | { |
|
|
610 | while (count--) |
|
|
611 | { |
|
|
612 | base->head = 0; |
|
|
613 | base->events = EV_NONE; |
|
|
614 | base->reify = 0; |
|
|
615 | |
|
|
616 | ++base; |
|
|
617 | } |
|
|
618 | } |
|
|
619 | |
|
|
620 | void inline_speed |
676 | void inline_speed |
621 | fd_event (EV_P_ int fd, int revents) |
677 | fd_event (EV_P_ int fd, int revents) |
622 | { |
678 | { |
623 | ANFD *anfd = anfds + fd; |
679 | ANFD *anfd = anfds + fd; |
624 | ev_io *w; |
680 | ev_io *w; |
… | |
… | |
656 | events |= (unsigned char)w->events; |
712 | events |= (unsigned char)w->events; |
657 | |
713 | |
658 | #if EV_SELECT_IS_WINSOCKET |
714 | #if EV_SELECT_IS_WINSOCKET |
659 | if (events) |
715 | if (events) |
660 | { |
716 | { |
661 | unsigned long argp; |
717 | unsigned long arg; |
662 | #ifdef EV_FD_TO_WIN32_HANDLE |
718 | #ifdef EV_FD_TO_WIN32_HANDLE |
663 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
719 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
664 | #else |
720 | #else |
665 | anfd->handle = _get_osfhandle (fd); |
721 | anfd->handle = _get_osfhandle (fd); |
666 | #endif |
722 | #endif |
667 | 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)); |
668 | } |
724 | } |
669 | #endif |
725 | #endif |
670 | |
726 | |
671 | { |
727 | { |
672 | unsigned char o_events = anfd->events; |
728 | unsigned char o_events = anfd->events; |
… | |
… | |
725 | { |
781 | { |
726 | int fd; |
782 | int fd; |
727 | |
783 | |
728 | for (fd = 0; fd < anfdmax; ++fd) |
784 | for (fd = 0; fd < anfdmax; ++fd) |
729 | if (anfds [fd].events) |
785 | if (anfds [fd].events) |
730 | if (!fd_valid (fd) == -1 && errno == EBADF) |
786 | if (!fd_valid (fd) && errno == EBADF) |
731 | fd_kill (EV_A_ fd); |
787 | fd_kill (EV_A_ fd); |
732 | } |
788 | } |
733 | |
789 | |
734 | /* 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 */ |
735 | static void noinline |
791 | static void noinline |
… | |
… | |
753 | |
809 | |
754 | for (fd = 0; fd < anfdmax; ++fd) |
810 | for (fd = 0; fd < anfdmax; ++fd) |
755 | if (anfds [fd].events) |
811 | if (anfds [fd].events) |
756 | { |
812 | { |
757 | anfds [fd].events = 0; |
813 | anfds [fd].events = 0; |
|
|
814 | anfds [fd].emask = 0; |
758 | fd_change (EV_A_ fd, EV_IOFDSET | 1); |
815 | fd_change (EV_A_ fd, EV_IOFDSET | 1); |
759 | } |
816 | } |
760 | } |
817 | } |
761 | |
818 | |
762 | /*****************************************************************************/ |
819 | /*****************************************************************************/ |
|
|
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 | */ |
763 | |
826 | |
764 | /* |
827 | /* |
765 | * at the moment we allow libev the luxury of two heaps, |
828 | * at the moment we allow libev the luxury of two heaps, |
766 | * a small-code-size 2-heap one and a ~1.5kb larger 4-heap |
829 | * a small-code-size 2-heap one and a ~1.5kb larger 4-heap |
767 | * which is more cache-efficient. |
830 | * which is more cache-efficient. |
768 | * the difference is about 5% with 50000+ watchers. |
831 | * the difference is about 5% with 50000+ watchers. |
769 | */ |
832 | */ |
770 | #define USE_4HEAP !EV_MINIMAL |
|
|
771 | #if USE_4HEAP |
833 | #if EV_USE_4HEAP |
772 | |
834 | |
|
|
835 | #define DHEAP 4 |
773 | #define HEAP0 3 /* index of first element in heap */ |
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 */ |
|
|
841 | void inline_speed |
|
|
842 | downheap (ANHE *heap, int N, int k) |
|
|
843 | { |
|
|
844 | ANHE he = heap [k]; |
|
|
845 | ANHE *E = heap + N + HEAP0; |
|
|
846 | |
|
|
847 | for (;;) |
|
|
848 | { |
|
|
849 | ev_tstamp minat; |
|
|
850 | ANHE *minpos; |
|
|
851 | ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0 + 1; |
|
|
852 | |
|
|
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 |
|
|
869 | break; |
|
|
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 |
774 | |
919 | |
775 | /* towards the root */ |
920 | /* towards the root */ |
776 | void inline_speed |
921 | void inline_speed |
777 | upheap (WT *heap, int k) |
922 | upheap (ANHE *heap, int k) |
778 | { |
923 | { |
779 | WT w = heap [k]; |
924 | ANHE he = heap [k]; |
780 | |
925 | |
781 | for (;;) |
926 | for (;;) |
782 | { |
927 | { |
783 | int p = ((k - HEAP0 - 1) / 4) + HEAP0; |
928 | int p = HPARENT (k); |
784 | |
929 | |
785 | if (p >= HEAP0 || heap [p]->at <= w->at) |
930 | if (UPHEAP_DONE (p, k) || ANHE_at (heap [p]) <= ANHE_at (he)) |
786 | break; |
931 | break; |
787 | |
932 | |
788 | heap [k] = heap [p]; |
933 | heap [k] = heap [p]; |
789 | ev_active (heap [k]) = k; |
934 | ev_active (ANHE_w (heap [k])) = k; |
790 | k = p; |
935 | k = p; |
791 | } |
936 | } |
792 | |
937 | |
793 | heap [k] = w; |
938 | heap [k] = he; |
794 | ev_active (heap [k]) = k; |
939 | ev_active (ANHE_w (he)) = k; |
795 | } |
940 | } |
796 | |
|
|
797 | /* away from the root */ |
|
|
798 | void inline_speed |
|
|
799 | downheap (WT *heap, int N, int k) |
|
|
800 | { |
|
|
801 | WT w = heap [k]; |
|
|
802 | WT *E = heap + N + HEAP0; |
|
|
803 | |
|
|
804 | for (;;) |
|
|
805 | { |
|
|
806 | ev_tstamp minat; |
|
|
807 | WT *minpos; |
|
|
808 | WT *pos = heap + 4 * (k - HEAP0) + HEAP0; |
|
|
809 | |
|
|
810 | // find minimum child |
|
|
811 | if (expect_true (pos +3 < E)) |
|
|
812 | { |
|
|
813 | (minpos = pos + 0), (minat = (*minpos)->at); |
|
|
814 | if (pos [1]->at < minat) (minpos = pos + 1), (minat = (*minpos)->at); |
|
|
815 | if (pos [2]->at < minat) (minpos = pos + 2), (minat = (*minpos)->at); |
|
|
816 | if (pos [3]->at < minat) (minpos = pos + 3), (minat = (*minpos)->at); |
|
|
817 | } |
|
|
818 | else |
|
|
819 | { |
|
|
820 | if (pos >= E) |
|
|
821 | break; |
|
|
822 | |
|
|
823 | (minpos = pos + 0), (minat = (*minpos)->at); |
|
|
824 | if (pos + 1 < E && pos [1]->at < minat) (minpos = pos + 1), (minat = (*minpos)->at); |
|
|
825 | if (pos + 2 < E && pos [2]->at < minat) (minpos = pos + 2), (minat = (*minpos)->at); |
|
|
826 | if (pos + 3 < E && pos [3]->at < minat) (minpos = pos + 3), (minat = (*minpos)->at); |
|
|
827 | } |
|
|
828 | |
|
|
829 | if (w->at <= minat) |
|
|
830 | break; |
|
|
831 | |
|
|
832 | ev_active (*minpos) = k; |
|
|
833 | heap [k] = *minpos; |
|
|
834 | |
|
|
835 | k = minpos - heap; |
|
|
836 | } |
|
|
837 | |
|
|
838 | heap [k] = w; |
|
|
839 | ev_active (heap [k]) = k; |
|
|
840 | } |
|
|
841 | |
|
|
842 | #else // 4HEAP |
|
|
843 | |
|
|
844 | #define HEAP0 1 |
|
|
845 | |
|
|
846 | /* towards the root */ |
|
|
847 | void inline_speed |
|
|
848 | upheap (WT *heap, int k) |
|
|
849 | { |
|
|
850 | WT w = heap [k]; |
|
|
851 | |
|
|
852 | for (;;) |
|
|
853 | { |
|
|
854 | int p = k >> 1; |
|
|
855 | |
|
|
856 | /* maybe we could use a dummy element at heap [0]? */ |
|
|
857 | if (!p || heap [p]->at <= w->at) |
|
|
858 | break; |
|
|
859 | |
|
|
860 | heap [k] = heap [p]; |
|
|
861 | ev_active (heap [k]) = k; |
|
|
862 | k = p; |
|
|
863 | } |
|
|
864 | |
|
|
865 | heap [k] = w; |
|
|
866 | ev_active (heap [k]) = k; |
|
|
867 | } |
|
|
868 | |
|
|
869 | /* away from the root */ |
|
|
870 | void inline_speed |
|
|
871 | downheap (WT *heap, int N, int k) |
|
|
872 | { |
|
|
873 | WT w = heap [k]; |
|
|
874 | |
|
|
875 | for (;;) |
|
|
876 | { |
|
|
877 | int c = k << 1; |
|
|
878 | |
|
|
879 | if (c > N) |
|
|
880 | break; |
|
|
881 | |
|
|
882 | c += c + 1 < N && heap [c]->at > heap [c + 1]->at |
|
|
883 | ? 1 : 0; |
|
|
884 | |
|
|
885 | if (w->at <= heap [c]->at) |
|
|
886 | break; |
|
|
887 | |
|
|
888 | heap [k] = heap [c]; |
|
|
889 | ((W)heap [k])->active = k; |
|
|
890 | |
|
|
891 | k = c; |
|
|
892 | } |
|
|
893 | |
|
|
894 | heap [k] = w; |
|
|
895 | ev_active (heap [k]) = k; |
|
|
896 | } |
|
|
897 | #endif |
|
|
898 | |
941 | |
899 | void inline_size |
942 | void inline_size |
900 | adjustheap (WT *heap, int N, int k) |
943 | adjustheap (ANHE *heap, int N, int k) |
901 | { |
944 | { |
|
|
945 | if (k > HEAP0 && ANHE_at (heap [HPARENT (k)]) >= ANHE_at (heap [k])) |
902 | upheap (heap, k); |
946 | upheap (heap, k); |
|
|
947 | else |
903 | 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); |
904 | } |
961 | } |
905 | |
962 | |
906 | /*****************************************************************************/ |
963 | /*****************************************************************************/ |
907 | |
964 | |
908 | typedef struct |
965 | typedef struct |
… | |
… | |
914 | static ANSIG *signals; |
971 | static ANSIG *signals; |
915 | static int signalmax; |
972 | static int signalmax; |
916 | |
973 | |
917 | static EV_ATOMIC_T gotsig; |
974 | static EV_ATOMIC_T gotsig; |
918 | |
975 | |
919 | void inline_size |
|
|
920 | signals_init (ANSIG *base, int count) |
|
|
921 | { |
|
|
922 | while (count--) |
|
|
923 | { |
|
|
924 | base->head = 0; |
|
|
925 | base->gotsig = 0; |
|
|
926 | |
|
|
927 | ++base; |
|
|
928 | } |
|
|
929 | } |
|
|
930 | |
|
|
931 | /*****************************************************************************/ |
976 | /*****************************************************************************/ |
932 | |
977 | |
933 | void inline_speed |
978 | void inline_speed |
934 | fd_intern (int fd) |
979 | fd_intern (int fd) |
935 | { |
980 | { |
936 | #ifdef _WIN32 |
981 | #ifdef _WIN32 |
937 | int arg = 1; |
982 | unsigned long arg = 1; |
938 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
983 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
939 | #else |
984 | #else |
940 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
985 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
941 | fcntl (fd, F_SETFL, O_NONBLOCK); |
986 | fcntl (fd, F_SETFL, O_NONBLOCK); |
942 | #endif |
987 | #endif |
… | |
… | |
956 | } |
1001 | } |
957 | else |
1002 | else |
958 | #endif |
1003 | #endif |
959 | { |
1004 | { |
960 | while (pipe (evpipe)) |
1005 | while (pipe (evpipe)) |
961 | syserr ("(libev) error creating signal/async pipe"); |
1006 | ev_syserr ("(libev) error creating signal/async pipe"); |
962 | |
1007 | |
963 | fd_intern (evpipe [0]); |
1008 | fd_intern (evpipe [0]); |
964 | fd_intern (evpipe [1]); |
1009 | fd_intern (evpipe [1]); |
965 | ev_io_set (&pipeev, evpipe [0], EV_READ); |
1010 | ev_io_set (&pipeev, evpipe [0], EV_READ); |
966 | } |
1011 | } |
… | |
… | |
1426 | |
1471 | |
1427 | postfork = 0; |
1472 | postfork = 0; |
1428 | } |
1473 | } |
1429 | |
1474 | |
1430 | #if EV_MULTIPLICITY |
1475 | #if EV_MULTIPLICITY |
|
|
1476 | |
1431 | struct ev_loop * |
1477 | struct ev_loop * |
1432 | ev_loop_new (unsigned int flags) |
1478 | ev_loop_new (unsigned int flags) |
1433 | { |
1479 | { |
1434 | 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)); |
1435 | |
1481 | |
… | |
… | |
1453 | void |
1499 | void |
1454 | ev_loop_fork (EV_P) |
1500 | ev_loop_fork (EV_P) |
1455 | { |
1501 | { |
1456 | postfork = 1; /* must be in line with ev_default_fork */ |
1502 | postfork = 1; /* must be in line with ev_default_fork */ |
1457 | } |
1503 | } |
|
|
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) |
1458 | #endif |
1600 | # endif |
|
|
1601 | #endif |
|
|
1602 | } |
|
|
1603 | |
|
|
1604 | #endif /* multiplicity */ |
1459 | |
1605 | |
1460 | #if EV_MULTIPLICITY |
1606 | #if EV_MULTIPLICITY |
1461 | struct ev_loop * |
1607 | struct ev_loop * |
1462 | ev_default_loop_init (unsigned int flags) |
1608 | ev_default_loop_init (unsigned int flags) |
1463 | #else |
1609 | #else |
… | |
… | |
1496 | { |
1642 | { |
1497 | #if EV_MULTIPLICITY |
1643 | #if EV_MULTIPLICITY |
1498 | struct ev_loop *loop = ev_default_loop_ptr; |
1644 | struct ev_loop *loop = ev_default_loop_ptr; |
1499 | #endif |
1645 | #endif |
1500 | |
1646 | |
|
|
1647 | ev_default_loop_ptr = 0; |
|
|
1648 | |
1501 | #ifndef _WIN32 |
1649 | #ifndef _WIN32 |
1502 | ev_ref (EV_A); /* child watcher */ |
1650 | ev_ref (EV_A); /* child watcher */ |
1503 | ev_signal_stop (EV_A_ &childev); |
1651 | ev_signal_stop (EV_A_ &childev); |
1504 | #endif |
1652 | #endif |
1505 | |
1653 | |
… | |
… | |
1511 | { |
1659 | { |
1512 | #if EV_MULTIPLICITY |
1660 | #if EV_MULTIPLICITY |
1513 | struct ev_loop *loop = ev_default_loop_ptr; |
1661 | struct ev_loop *loop = ev_default_loop_ptr; |
1514 | #endif |
1662 | #endif |
1515 | |
1663 | |
1516 | if (backend) |
|
|
1517 | postfork = 1; /* must be in line with ev_loop_fork */ |
1664 | postfork = 1; /* must be in line with ev_loop_fork */ |
1518 | } |
1665 | } |
1519 | |
1666 | |
1520 | /*****************************************************************************/ |
1667 | /*****************************************************************************/ |
1521 | |
1668 | |
1522 | void |
1669 | void |
… | |
… | |
1539 | { |
1686 | { |
1540 | /*assert (("non-pending watcher on pending list", p->w->pending));*/ |
1687 | /*assert (("non-pending watcher on pending list", p->w->pending));*/ |
1541 | |
1688 | |
1542 | p->w->pending = 0; |
1689 | p->w->pending = 0; |
1543 | EV_CB_INVOKE (p->w, p->events); |
1690 | EV_CB_INVOKE (p->w, p->events); |
|
|
1691 | EV_FREQUENT_CHECK; |
1544 | } |
1692 | } |
1545 | } |
1693 | } |
1546 | } |
1694 | } |
1547 | |
1695 | |
1548 | #if EV_IDLE_ENABLE |
1696 | #if EV_IDLE_ENABLE |
… | |
… | |
1569 | #endif |
1717 | #endif |
1570 | |
1718 | |
1571 | void inline_size |
1719 | void inline_size |
1572 | timers_reify (EV_P) |
1720 | timers_reify (EV_P) |
1573 | { |
1721 | { |
|
|
1722 | EV_FREQUENT_CHECK; |
|
|
1723 | |
1574 | while (timercnt && ev_at (timers [HEAP0]) <= mn_now) |
1724 | while (timercnt && ANHE_at (timers [HEAP0]) < mn_now) |
1575 | { |
1725 | { |
1576 | ev_timer *w = (ev_timer *)timers [HEAP0]; |
1726 | ev_timer *w = (ev_timer *)ANHE_w (timers [HEAP0]); |
1577 | |
1727 | |
1578 | /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/ |
1728 | /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/ |
1579 | |
1729 | |
1580 | /* first reschedule or stop timer */ |
1730 | /* first reschedule or stop timer */ |
1581 | if (w->repeat) |
1731 | if (w->repeat) |
1582 | { |
1732 | { |
1583 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
|
|
1584 | |
|
|
1585 | ev_at (w) += w->repeat; |
1733 | ev_at (w) += w->repeat; |
1586 | if (ev_at (w) < mn_now) |
1734 | if (ev_at (w) < mn_now) |
1587 | ev_at (w) = mn_now; |
1735 | ev_at (w) = mn_now; |
1588 | |
1736 | |
|
|
1737 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
|
|
1738 | |
|
|
1739 | ANHE_at_cache (timers [HEAP0]); |
1589 | downheap (timers, timercnt, HEAP0); |
1740 | downheap (timers, timercnt, HEAP0); |
1590 | } |
1741 | } |
1591 | else |
1742 | else |
1592 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1743 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1593 | |
1744 | |
|
|
1745 | EV_FREQUENT_CHECK; |
1594 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
1746 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
1595 | } |
1747 | } |
1596 | } |
1748 | } |
1597 | |
1749 | |
1598 | #if EV_PERIODIC_ENABLE |
1750 | #if EV_PERIODIC_ENABLE |
1599 | void inline_size |
1751 | void inline_size |
1600 | periodics_reify (EV_P) |
1752 | periodics_reify (EV_P) |
1601 | { |
1753 | { |
|
|
1754 | EV_FREQUENT_CHECK; |
|
|
1755 | |
1602 | while (periodiccnt && ev_at (periodics [HEAP0]) <= ev_rt_now) |
1756 | while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now) |
1603 | { |
1757 | { |
1604 | ev_periodic *w = (ev_periodic *)periodics [HEAP0]; |
1758 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]); |
1605 | |
1759 | |
1606 | /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ |
1760 | /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ |
1607 | |
1761 | |
1608 | /* first reschedule or stop timer */ |
1762 | /* first reschedule or stop timer */ |
1609 | if (w->reschedule_cb) |
1763 | if (w->reschedule_cb) |
1610 | { |
1764 | { |
1611 | ev_at (w) = w->reschedule_cb (w, ev_rt_now + TIME_EPSILON); |
1765 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
|
|
1766 | |
1612 | assert (("ev_periodic reschedule callback returned time in the past", ev_at (w) > ev_rt_now)); |
1767 | assert (("ev_periodic reschedule callback returned time in the past", ev_at (w) >= ev_rt_now)); |
|
|
1768 | |
|
|
1769 | ANHE_at_cache (periodics [HEAP0]); |
1613 | downheap (periodics, periodiccnt, 1); |
1770 | downheap (periodics, periodiccnt, HEAP0); |
1614 | } |
1771 | } |
1615 | else if (w->interval) |
1772 | else if (w->interval) |
1616 | { |
1773 | { |
1617 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
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 */ |
1618 | if (ev_at (w) - ev_rt_now <= TIME_EPSILON) ev_at (w) += w->interval; |
1777 | if (ev_at (w) - ev_rt_now < TIME_EPSILON) |
1619 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ev_at (w) > ev_rt_now)); |
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]); |
1620 | downheap (periodics, periodiccnt, HEAP0); |
1789 | downheap (periodics, periodiccnt, HEAP0); |
1621 | } |
1790 | } |
1622 | else |
1791 | else |
1623 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1792 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1624 | |
1793 | |
|
|
1794 | EV_FREQUENT_CHECK; |
1625 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
1795 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
1626 | } |
1796 | } |
1627 | } |
1797 | } |
1628 | |
1798 | |
1629 | static void noinline |
1799 | static void noinline |
1630 | periodics_reschedule (EV_P) |
1800 | periodics_reschedule (EV_P) |
1631 | { |
1801 | { |
1632 | int i; |
1802 | int i; |
1633 | |
1803 | |
1634 | /* adjust periodics after time jump */ |
1804 | /* adjust periodics after time jump */ |
1635 | for (i = 1; i <= periodiccnt; ++i) |
1805 | for (i = HEAP0; i < periodiccnt + HEAP0; ++i) |
1636 | { |
1806 | { |
1637 | ev_periodic *w = (ev_periodic *)periodics [i]; |
1807 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [i]); |
1638 | |
1808 | |
1639 | if (w->reschedule_cb) |
1809 | if (w->reschedule_cb) |
1640 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
1810 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
1641 | else if (w->interval) |
1811 | else if (w->interval) |
1642 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
1812 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
1643 | } |
|
|
1644 | |
1813 | |
1645 | /* now rebuild the heap */ |
1814 | ANHE_at_cache (periodics [i]); |
1646 | for (i = periodiccnt >> 1; --i; ) |
1815 | } |
|
|
1816 | |
1647 | downheap (periodics, periodiccnt, i + HEAP0); |
1817 | reheap (periodics, periodiccnt); |
1648 | } |
1818 | } |
1649 | #endif |
1819 | #endif |
1650 | |
1820 | |
1651 | void inline_speed |
1821 | void inline_speed |
1652 | time_update (EV_P_ ev_tstamp max_block) |
1822 | time_update (EV_P_ ev_tstamp max_block) |
… | |
… | |
1706 | { |
1876 | { |
1707 | #if EV_PERIODIC_ENABLE |
1877 | #if EV_PERIODIC_ENABLE |
1708 | periodics_reschedule (EV_A); |
1878 | periodics_reschedule (EV_A); |
1709 | #endif |
1879 | #endif |
1710 | /* 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 */ |
1711 | for (i = 1; i <= timercnt; ++i) |
1881 | for (i = 0; i < timercnt; ++i) |
1712 | ev_at (timers [i]) += ev_rt_now - mn_now; |
1882 | { |
|
|
1883 | ANHE *he = timers + i + HEAP0; |
|
|
1884 | ANHE_w (*he)->at += ev_rt_now - mn_now; |
|
|
1885 | ANHE_at_cache (*he); |
|
|
1886 | } |
1713 | } |
1887 | } |
1714 | |
1888 | |
1715 | mn_now = ev_rt_now; |
1889 | mn_now = ev_rt_now; |
1716 | } |
1890 | } |
1717 | } |
1891 | } |
… | |
… | |
1726 | ev_unref (EV_P) |
1900 | ev_unref (EV_P) |
1727 | { |
1901 | { |
1728 | --activecnt; |
1902 | --activecnt; |
1729 | } |
1903 | } |
1730 | |
1904 | |
|
|
1905 | void |
|
|
1906 | ev_now_update (EV_P) |
|
|
1907 | { |
|
|
1908 | time_update (EV_A_ 1e100); |
|
|
1909 | } |
|
|
1910 | |
1731 | static int loop_done; |
1911 | static int loop_done; |
1732 | |
1912 | |
1733 | void |
1913 | void |
1734 | ev_loop (EV_P_ int flags) |
1914 | ev_loop (EV_P_ int flags) |
1735 | { |
1915 | { |
… | |
… | |
1737 | |
1917 | |
1738 | 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 */ |
1739 | |
1919 | |
1740 | do |
1920 | do |
1741 | { |
1921 | { |
|
|
1922 | #if EV_VERIFY >= 2 |
|
|
1923 | ev_loop_verify (EV_A); |
|
|
1924 | #endif |
|
|
1925 | |
1742 | #ifndef _WIN32 |
1926 | #ifndef _WIN32 |
1743 | if (expect_false (curpid)) /* penalise the forking check even more */ |
1927 | if (expect_false (curpid)) /* penalise the forking check even more */ |
1744 | if (expect_false (getpid () != curpid)) |
1928 | if (expect_false (getpid () != curpid)) |
1745 | { |
1929 | { |
1746 | curpid = getpid (); |
1930 | curpid = getpid (); |
… | |
… | |
1787 | |
1971 | |
1788 | waittime = MAX_BLOCKTIME; |
1972 | waittime = MAX_BLOCKTIME; |
1789 | |
1973 | |
1790 | if (timercnt) |
1974 | if (timercnt) |
1791 | { |
1975 | { |
1792 | ev_tstamp to = ev_at (timers [HEAP0]) - mn_now + backend_fudge; |
1976 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge; |
1793 | if (waittime > to) waittime = to; |
1977 | if (waittime > to) waittime = to; |
1794 | } |
1978 | } |
1795 | |
1979 | |
1796 | #if EV_PERIODIC_ENABLE |
1980 | #if EV_PERIODIC_ENABLE |
1797 | if (periodiccnt) |
1981 | if (periodiccnt) |
1798 | { |
1982 | { |
1799 | ev_tstamp to = ev_at (periodics [HEAP0]) - ev_rt_now + backend_fudge; |
1983 | ev_tstamp to = ANHE_at (periodics [HEAP0]) - ev_rt_now + backend_fudge; |
1800 | if (waittime > to) waittime = to; |
1984 | if (waittime > to) waittime = to; |
1801 | } |
1985 | } |
1802 | #endif |
1986 | #endif |
1803 | |
1987 | |
1804 | if (expect_false (waittime < timeout_blocktime)) |
1988 | if (expect_false (waittime < timeout_blocktime)) |
… | |
… | |
1940 | |
2124 | |
1941 | if (expect_false (ev_is_active (w))) |
2125 | if (expect_false (ev_is_active (w))) |
1942 | return; |
2126 | return; |
1943 | |
2127 | |
1944 | 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; |
1945 | |
2132 | |
1946 | ev_start (EV_A_ (W)w, 1); |
2133 | ev_start (EV_A_ (W)w, 1); |
1947 | array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init); |
2134 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
1948 | wlist_add (&anfds[fd].head, (WL)w); |
2135 | wlist_add (&anfds[fd].head, (WL)w); |
1949 | |
2136 | |
1950 | fd_change (EV_A_ fd, w->events & EV_IOFDSET | 1); |
2137 | fd_change (EV_A_ fd, w->events & EV_IOFDSET | 1); |
1951 | w->events &= ~EV_IOFDSET; |
2138 | w->events &= ~EV_IOFDSET; |
|
|
2139 | |
|
|
2140 | EV_FREQUENT_CHECK; |
1952 | } |
2141 | } |
1953 | |
2142 | |
1954 | void noinline |
2143 | void noinline |
1955 | ev_io_stop (EV_P_ ev_io *w) |
2144 | ev_io_stop (EV_P_ ev_io *w) |
1956 | { |
2145 | { |
1957 | clear_pending (EV_A_ (W)w); |
2146 | clear_pending (EV_A_ (W)w); |
1958 | if (expect_false (!ev_is_active (w))) |
2147 | if (expect_false (!ev_is_active (w))) |
1959 | return; |
2148 | return; |
1960 | |
2149 | |
1961 | 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; |
1962 | |
2153 | |
1963 | wlist_del (&anfds[w->fd].head, (WL)w); |
2154 | wlist_del (&anfds[w->fd].head, (WL)w); |
1964 | ev_stop (EV_A_ (W)w); |
2155 | ev_stop (EV_A_ (W)w); |
1965 | |
2156 | |
1966 | fd_change (EV_A_ w->fd, 1); |
2157 | fd_change (EV_A_ w->fd, 1); |
|
|
2158 | |
|
|
2159 | EV_FREQUENT_CHECK; |
1967 | } |
2160 | } |
1968 | |
2161 | |
1969 | void noinline |
2162 | void noinline |
1970 | ev_timer_start (EV_P_ ev_timer *w) |
2163 | ev_timer_start (EV_P_ ev_timer *w) |
1971 | { |
2164 | { |
… | |
… | |
1974 | |
2167 | |
1975 | ev_at (w) += mn_now; |
2168 | ev_at (w) += mn_now; |
1976 | |
2169 | |
1977 | 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.)); |
1978 | |
2171 | |
|
|
2172 | EV_FREQUENT_CHECK; |
|
|
2173 | |
|
|
2174 | ++timercnt; |
1979 | ev_start (EV_A_ (W)w, ++timercnt + HEAP0 - 1); |
2175 | ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1); |
1980 | array_needsize (WT, timers, timermax, timercnt + HEAP0, EMPTY2); |
2176 | array_needsize (ANHE, timers, timermax, ev_active (w) + 1, EMPTY2); |
1981 | timers [ev_active (w)] = (WT)w; |
2177 | ANHE_w (timers [ev_active (w)]) = (WT)w; |
|
|
2178 | ANHE_at_cache (timers [ev_active (w)]); |
1982 | upheap (timers, ev_active (w)); |
2179 | upheap (timers, ev_active (w)); |
1983 | |
2180 | |
|
|
2181 | EV_FREQUENT_CHECK; |
|
|
2182 | |
1984 | /*assert (("internal timer heap corruption", timers [ev_active (w)] == w));*/ |
2183 | /*assert (("internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
1985 | } |
2184 | } |
1986 | |
2185 | |
1987 | void noinline |
2186 | void noinline |
1988 | ev_timer_stop (EV_P_ ev_timer *w) |
2187 | ev_timer_stop (EV_P_ ev_timer *w) |
1989 | { |
2188 | { |
1990 | clear_pending (EV_A_ (W)w); |
2189 | clear_pending (EV_A_ (W)w); |
1991 | if (expect_false (!ev_is_active (w))) |
2190 | if (expect_false (!ev_is_active (w))) |
1992 | return; |
2191 | return; |
1993 | |
2192 | |
|
|
2193 | EV_FREQUENT_CHECK; |
|
|
2194 | |
1994 | { |
2195 | { |
1995 | int active = ev_active (w); |
2196 | int active = ev_active (w); |
1996 | |
2197 | |
1997 | assert (("internal timer heap corruption", timers [active] == (WT)w)); |
2198 | assert (("internal timer heap corruption", ANHE_w (timers [active]) == (WT)w)); |
1998 | |
2199 | |
|
|
2200 | --timercnt; |
|
|
2201 | |
1999 | if (expect_true (active < timercnt + HEAP0 - 1)) |
2202 | if (expect_true (active < timercnt + HEAP0)) |
2000 | { |
2203 | { |
2001 | timers [active] = timers [timercnt + HEAP0 - 1]; |
2204 | timers [active] = timers [timercnt + HEAP0]; |
2002 | adjustheap (timers, timercnt, active); |
2205 | adjustheap (timers, timercnt, active); |
2003 | } |
2206 | } |
2004 | |
|
|
2005 | --timercnt; |
|
|
2006 | } |
2207 | } |
|
|
2208 | |
|
|
2209 | EV_FREQUENT_CHECK; |
2007 | |
2210 | |
2008 | ev_at (w) -= mn_now; |
2211 | ev_at (w) -= mn_now; |
2009 | |
2212 | |
2010 | ev_stop (EV_A_ (W)w); |
2213 | ev_stop (EV_A_ (W)w); |
2011 | } |
2214 | } |
2012 | |
2215 | |
2013 | void noinline |
2216 | void noinline |
2014 | ev_timer_again (EV_P_ ev_timer *w) |
2217 | ev_timer_again (EV_P_ ev_timer *w) |
2015 | { |
2218 | { |
|
|
2219 | EV_FREQUENT_CHECK; |
|
|
2220 | |
2016 | if (ev_is_active (w)) |
2221 | if (ev_is_active (w)) |
2017 | { |
2222 | { |
2018 | if (w->repeat) |
2223 | if (w->repeat) |
2019 | { |
2224 | { |
2020 | ev_at (w) = mn_now + w->repeat; |
2225 | ev_at (w) = mn_now + w->repeat; |
|
|
2226 | ANHE_at_cache (timers [ev_active (w)]); |
2021 | adjustheap (timers, timercnt, ev_active (w)); |
2227 | adjustheap (timers, timercnt, ev_active (w)); |
2022 | } |
2228 | } |
2023 | else |
2229 | else |
2024 | ev_timer_stop (EV_A_ w); |
2230 | ev_timer_stop (EV_A_ w); |
2025 | } |
2231 | } |
2026 | else if (w->repeat) |
2232 | else if (w->repeat) |
2027 | { |
2233 | { |
2028 | ev_at (w) = w->repeat; |
2234 | ev_at (w) = w->repeat; |
2029 | ev_timer_start (EV_A_ w); |
2235 | ev_timer_start (EV_A_ w); |
2030 | } |
2236 | } |
|
|
2237 | |
|
|
2238 | EV_FREQUENT_CHECK; |
2031 | } |
2239 | } |
2032 | |
2240 | |
2033 | #if EV_PERIODIC_ENABLE |
2241 | #if EV_PERIODIC_ENABLE |
2034 | void noinline |
2242 | void noinline |
2035 | ev_periodic_start (EV_P_ ev_periodic *w) |
2243 | ev_periodic_start (EV_P_ ev_periodic *w) |
… | |
… | |
2046 | ev_at (w) = 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; |
2047 | } |
2255 | } |
2048 | else |
2256 | else |
2049 | ev_at (w) = w->offset; |
2257 | ev_at (w) = w->offset; |
2050 | |
2258 | |
|
|
2259 | EV_FREQUENT_CHECK; |
|
|
2260 | |
|
|
2261 | ++periodiccnt; |
2051 | ev_start (EV_A_ (W)w, ++periodiccnt + HEAP0 - 1); |
2262 | ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1); |
2052 | array_needsize (WT, periodics, periodicmax, periodiccnt + HEAP0, EMPTY2); |
2263 | array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, EMPTY2); |
2053 | periodics [ev_active (w)] = (WT)w; |
2264 | ANHE_w (periodics [ev_active (w)]) = (WT)w; |
|
|
2265 | ANHE_at_cache (periodics [ev_active (w)]); |
2054 | upheap (periodics, ev_active (w)); |
2266 | upheap (periodics, ev_active (w)); |
2055 | |
2267 | |
|
|
2268 | EV_FREQUENT_CHECK; |
|
|
2269 | |
2056 | /*assert (("internal periodic heap corruption", periodics [ev_active (w)] == w));*/ |
2270 | /*assert (("internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
2057 | } |
2271 | } |
2058 | |
2272 | |
2059 | void noinline |
2273 | void noinline |
2060 | ev_periodic_stop (EV_P_ ev_periodic *w) |
2274 | ev_periodic_stop (EV_P_ ev_periodic *w) |
2061 | { |
2275 | { |
2062 | clear_pending (EV_A_ (W)w); |
2276 | clear_pending (EV_A_ (W)w); |
2063 | if (expect_false (!ev_is_active (w))) |
2277 | if (expect_false (!ev_is_active (w))) |
2064 | return; |
2278 | return; |
2065 | |
2279 | |
|
|
2280 | EV_FREQUENT_CHECK; |
|
|
2281 | |
2066 | { |
2282 | { |
2067 | int active = ev_active (w); |
2283 | int active = ev_active (w); |
2068 | |
2284 | |
2069 | assert (("internal periodic heap corruption", periodics [active] == (WT)w)); |
2285 | assert (("internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w)); |
2070 | |
2286 | |
|
|
2287 | --periodiccnt; |
|
|
2288 | |
2071 | if (expect_true (active < periodiccnt + HEAP0 - 1)) |
2289 | if (expect_true (active < periodiccnt + HEAP0)) |
2072 | { |
2290 | { |
2073 | periodics [active] = periodics [periodiccnt + HEAP0 - 1]; |
2291 | periodics [active] = periodics [periodiccnt + HEAP0]; |
2074 | adjustheap (periodics, periodiccnt, active); |
2292 | adjustheap (periodics, periodiccnt, active); |
2075 | } |
2293 | } |
2076 | |
|
|
2077 | --periodiccnt; |
|
|
2078 | } |
2294 | } |
|
|
2295 | |
|
|
2296 | EV_FREQUENT_CHECK; |
2079 | |
2297 | |
2080 | ev_stop (EV_A_ (W)w); |
2298 | ev_stop (EV_A_ (W)w); |
2081 | } |
2299 | } |
2082 | |
2300 | |
2083 | void noinline |
2301 | void noinline |
… | |
… | |
2103 | return; |
2321 | return; |
2104 | |
2322 | |
2105 | 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)); |
2106 | |
2324 | |
2107 | evpipe_init (EV_A); |
2325 | evpipe_init (EV_A); |
|
|
2326 | |
|
|
2327 | EV_FREQUENT_CHECK; |
2108 | |
2328 | |
2109 | { |
2329 | { |
2110 | #ifndef _WIN32 |
2330 | #ifndef _WIN32 |
2111 | sigset_t full, prev; |
2331 | sigset_t full, prev; |
2112 | sigfillset (&full); |
2332 | sigfillset (&full); |
2113 | sigprocmask (SIG_SETMASK, &full, &prev); |
2333 | sigprocmask (SIG_SETMASK, &full, &prev); |
2114 | #endif |
2334 | #endif |
2115 | |
2335 | |
2116 | array_needsize (ANSIG, signals, signalmax, w->signum, signals_init); |
2336 | array_needsize (ANSIG, signals, signalmax, w->signum, array_init_zero); |
2117 | |
2337 | |
2118 | #ifndef _WIN32 |
2338 | #ifndef _WIN32 |
2119 | sigprocmask (SIG_SETMASK, &prev, 0); |
2339 | sigprocmask (SIG_SETMASK, &prev, 0); |
2120 | #endif |
2340 | #endif |
2121 | } |
2341 | } |
… | |
… | |
2133 | sigfillset (&sa.sa_mask); |
2353 | sigfillset (&sa.sa_mask); |
2134 | 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 */ |
2135 | sigaction (w->signum, &sa, 0); |
2355 | sigaction (w->signum, &sa, 0); |
2136 | #endif |
2356 | #endif |
2137 | } |
2357 | } |
|
|
2358 | |
|
|
2359 | EV_FREQUENT_CHECK; |
2138 | } |
2360 | } |
2139 | |
2361 | |
2140 | void noinline |
2362 | void noinline |
2141 | ev_signal_stop (EV_P_ ev_signal *w) |
2363 | ev_signal_stop (EV_P_ ev_signal *w) |
2142 | { |
2364 | { |
2143 | clear_pending (EV_A_ (W)w); |
2365 | clear_pending (EV_A_ (W)w); |
2144 | if (expect_false (!ev_is_active (w))) |
2366 | if (expect_false (!ev_is_active (w))) |
2145 | return; |
2367 | return; |
2146 | |
2368 | |
|
|
2369 | EV_FREQUENT_CHECK; |
|
|
2370 | |
2147 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
2371 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
2148 | ev_stop (EV_A_ (W)w); |
2372 | ev_stop (EV_A_ (W)w); |
2149 | |
2373 | |
2150 | if (!signals [w->signum - 1].head) |
2374 | if (!signals [w->signum - 1].head) |
2151 | signal (w->signum, SIG_DFL); |
2375 | signal (w->signum, SIG_DFL); |
|
|
2376 | |
|
|
2377 | EV_FREQUENT_CHECK; |
2152 | } |
2378 | } |
2153 | |
2379 | |
2154 | void |
2380 | void |
2155 | ev_child_start (EV_P_ ev_child *w) |
2381 | ev_child_start (EV_P_ ev_child *w) |
2156 | { |
2382 | { |
… | |
… | |
2158 | 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)); |
2159 | #endif |
2385 | #endif |
2160 | if (expect_false (ev_is_active (w))) |
2386 | if (expect_false (ev_is_active (w))) |
2161 | return; |
2387 | return; |
2162 | |
2388 | |
|
|
2389 | EV_FREQUENT_CHECK; |
|
|
2390 | |
2163 | ev_start (EV_A_ (W)w, 1); |
2391 | ev_start (EV_A_ (W)w, 1); |
2164 | 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; |
2165 | } |
2395 | } |
2166 | |
2396 | |
2167 | void |
2397 | void |
2168 | ev_child_stop (EV_P_ ev_child *w) |
2398 | ev_child_stop (EV_P_ ev_child *w) |
2169 | { |
2399 | { |
2170 | clear_pending (EV_A_ (W)w); |
2400 | clear_pending (EV_A_ (W)w); |
2171 | if (expect_false (!ev_is_active (w))) |
2401 | if (expect_false (!ev_is_active (w))) |
2172 | return; |
2402 | return; |
2173 | |
2403 | |
|
|
2404 | EV_FREQUENT_CHECK; |
|
|
2405 | |
2174 | wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
2406 | wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
2175 | ev_stop (EV_A_ (W)w); |
2407 | ev_stop (EV_A_ (W)w); |
|
|
2408 | |
|
|
2409 | EV_FREQUENT_CHECK; |
2176 | } |
2410 | } |
2177 | |
2411 | |
2178 | #if EV_STAT_ENABLE |
2412 | #if EV_STAT_ENABLE |
2179 | |
2413 | |
2180 | # ifdef _WIN32 |
2414 | # ifdef _WIN32 |
… | |
… | |
2249 | |
2483 | |
2250 | static void noinline |
2484 | static void noinline |
2251 | 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) |
2252 | { |
2486 | { |
2253 | if (slot < 0) |
2487 | if (slot < 0) |
2254 | /* overflow, need to check for all hahs slots */ |
2488 | /* overflow, need to check for all hash slots */ |
2255 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
2489 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
2256 | infy_wd (EV_A_ slot, wd, ev); |
2490 | infy_wd (EV_A_ slot, wd, ev); |
2257 | else |
2491 | else |
2258 | { |
2492 | { |
2259 | WL w_; |
2493 | WL w_; |
… | |
… | |
2293 | infy_init (EV_P) |
2527 | infy_init (EV_P) |
2294 | { |
2528 | { |
2295 | if (fs_fd != -2) |
2529 | if (fs_fd != -2) |
2296 | return; |
2530 | return; |
2297 | |
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 | |
2298 | fs_fd = inotify_init (); |
2553 | fs_fd = inotify_init (); |
2299 | |
2554 | |
2300 | if (fs_fd >= 0) |
2555 | if (fs_fd >= 0) |
2301 | { |
2556 | { |
2302 | ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ); |
2557 | ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ); |
… | |
… | |
2331 | if (fs_fd >= 0) |
2586 | if (fs_fd >= 0) |
2332 | infy_add (EV_A_ w); /* re-add, no matter what */ |
2587 | infy_add (EV_A_ w); /* re-add, no matter what */ |
2333 | else |
2588 | else |
2334 | ev_timer_start (EV_A_ &w->timer); |
2589 | ev_timer_start (EV_A_ &w->timer); |
2335 | } |
2590 | } |
2336 | |
|
|
2337 | } |
2591 | } |
2338 | } |
2592 | } |
2339 | |
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) |
2340 | #endif |
2600 | #endif |
2341 | |
2601 | |
2342 | void |
2602 | void |
2343 | ev_stat_stat (EV_P_ ev_stat *w) |
2603 | ev_stat_stat (EV_P_ ev_stat *w) |
2344 | { |
2604 | { |
… | |
… | |
2371 | || w->prev.st_atime != w->attr.st_atime |
2631 | || w->prev.st_atime != w->attr.st_atime |
2372 | || w->prev.st_mtime != w->attr.st_mtime |
2632 | || w->prev.st_mtime != w->attr.st_mtime |
2373 | || w->prev.st_ctime != w->attr.st_ctime |
2633 | || w->prev.st_ctime != w->attr.st_ctime |
2374 | ) { |
2634 | ) { |
2375 | #if EV_USE_INOTIFY |
2635 | #if EV_USE_INOTIFY |
|
|
2636 | if (fs_fd >= 0) |
|
|
2637 | { |
2376 | infy_del (EV_A_ w); |
2638 | infy_del (EV_A_ w); |
2377 | infy_add (EV_A_ w); |
2639 | infy_add (EV_A_ w); |
2378 | ev_stat_stat (EV_A_ w); /* avoid race... */ |
2640 | ev_stat_stat (EV_A_ w); /* avoid race... */ |
|
|
2641 | } |
2379 | #endif |
2642 | #endif |
2380 | |
2643 | |
2381 | ev_feed_event (EV_A_ w, EV_STAT); |
2644 | ev_feed_event (EV_A_ w, EV_STAT); |
2382 | } |
2645 | } |
2383 | } |
2646 | } |
… | |
… | |
2408 | else |
2671 | else |
2409 | #endif |
2672 | #endif |
2410 | ev_timer_start (EV_A_ &w->timer); |
2673 | ev_timer_start (EV_A_ &w->timer); |
2411 | |
2674 | |
2412 | ev_start (EV_A_ (W)w, 1); |
2675 | ev_start (EV_A_ (W)w, 1); |
|
|
2676 | |
|
|
2677 | EV_FREQUENT_CHECK; |
2413 | } |
2678 | } |
2414 | |
2679 | |
2415 | void |
2680 | void |
2416 | ev_stat_stop (EV_P_ ev_stat *w) |
2681 | ev_stat_stop (EV_P_ ev_stat *w) |
2417 | { |
2682 | { |
2418 | clear_pending (EV_A_ (W)w); |
2683 | clear_pending (EV_A_ (W)w); |
2419 | if (expect_false (!ev_is_active (w))) |
2684 | if (expect_false (!ev_is_active (w))) |
2420 | return; |
2685 | return; |
2421 | |
2686 | |
|
|
2687 | EV_FREQUENT_CHECK; |
|
|
2688 | |
2422 | #if EV_USE_INOTIFY |
2689 | #if EV_USE_INOTIFY |
2423 | infy_del (EV_A_ w); |
2690 | infy_del (EV_A_ w); |
2424 | #endif |
2691 | #endif |
2425 | ev_timer_stop (EV_A_ &w->timer); |
2692 | ev_timer_stop (EV_A_ &w->timer); |
2426 | |
2693 | |
2427 | ev_stop (EV_A_ (W)w); |
2694 | ev_stop (EV_A_ (W)w); |
|
|
2695 | |
|
|
2696 | EV_FREQUENT_CHECK; |
2428 | } |
2697 | } |
2429 | #endif |
2698 | #endif |
2430 | |
2699 | |
2431 | #if EV_IDLE_ENABLE |
2700 | #if EV_IDLE_ENABLE |
2432 | void |
2701 | void |
… | |
… | |
2434 | { |
2703 | { |
2435 | if (expect_false (ev_is_active (w))) |
2704 | if (expect_false (ev_is_active (w))) |
2436 | return; |
2705 | return; |
2437 | |
2706 | |
2438 | pri_adjust (EV_A_ (W)w); |
2707 | pri_adjust (EV_A_ (W)w); |
|
|
2708 | |
|
|
2709 | EV_FREQUENT_CHECK; |
2439 | |
2710 | |
2440 | { |
2711 | { |
2441 | int active = ++idlecnt [ABSPRI (w)]; |
2712 | int active = ++idlecnt [ABSPRI (w)]; |
2442 | |
2713 | |
2443 | ++idleall; |
2714 | ++idleall; |
2444 | ev_start (EV_A_ (W)w, active); |
2715 | ev_start (EV_A_ (W)w, active); |
2445 | |
2716 | |
2446 | 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); |
2447 | idles [ABSPRI (w)][active - 1] = w; |
2718 | idles [ABSPRI (w)][active - 1] = w; |
2448 | } |
2719 | } |
|
|
2720 | |
|
|
2721 | EV_FREQUENT_CHECK; |
2449 | } |
2722 | } |
2450 | |
2723 | |
2451 | void |
2724 | void |
2452 | ev_idle_stop (EV_P_ ev_idle *w) |
2725 | ev_idle_stop (EV_P_ ev_idle *w) |
2453 | { |
2726 | { |
2454 | clear_pending (EV_A_ (W)w); |
2727 | clear_pending (EV_A_ (W)w); |
2455 | if (expect_false (!ev_is_active (w))) |
2728 | if (expect_false (!ev_is_active (w))) |
2456 | return; |
2729 | return; |
2457 | |
2730 | |
|
|
2731 | EV_FREQUENT_CHECK; |
|
|
2732 | |
2458 | { |
2733 | { |
2459 | int active = ev_active (w); |
2734 | int active = ev_active (w); |
2460 | |
2735 | |
2461 | idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]]; |
2736 | idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]]; |
2462 | ev_active (idles [ABSPRI (w)][active - 1]) = active; |
2737 | ev_active (idles [ABSPRI (w)][active - 1]) = active; |
2463 | |
2738 | |
2464 | ev_stop (EV_A_ (W)w); |
2739 | ev_stop (EV_A_ (W)w); |
2465 | --idleall; |
2740 | --idleall; |
2466 | } |
2741 | } |
|
|
2742 | |
|
|
2743 | EV_FREQUENT_CHECK; |
2467 | } |
2744 | } |
2468 | #endif |
2745 | #endif |
2469 | |
2746 | |
2470 | void |
2747 | void |
2471 | ev_prepare_start (EV_P_ ev_prepare *w) |
2748 | ev_prepare_start (EV_P_ ev_prepare *w) |
2472 | { |
2749 | { |
2473 | if (expect_false (ev_is_active (w))) |
2750 | if (expect_false (ev_is_active (w))) |
2474 | return; |
2751 | return; |
|
|
2752 | |
|
|
2753 | EV_FREQUENT_CHECK; |
2475 | |
2754 | |
2476 | ev_start (EV_A_ (W)w, ++preparecnt); |
2755 | ev_start (EV_A_ (W)w, ++preparecnt); |
2477 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
2756 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
2478 | prepares [preparecnt - 1] = w; |
2757 | prepares [preparecnt - 1] = w; |
|
|
2758 | |
|
|
2759 | EV_FREQUENT_CHECK; |
2479 | } |
2760 | } |
2480 | |
2761 | |
2481 | void |
2762 | void |
2482 | ev_prepare_stop (EV_P_ ev_prepare *w) |
2763 | ev_prepare_stop (EV_P_ ev_prepare *w) |
2483 | { |
2764 | { |
2484 | clear_pending (EV_A_ (W)w); |
2765 | clear_pending (EV_A_ (W)w); |
2485 | if (expect_false (!ev_is_active (w))) |
2766 | if (expect_false (!ev_is_active (w))) |
2486 | return; |
2767 | return; |
2487 | |
2768 | |
|
|
2769 | EV_FREQUENT_CHECK; |
|
|
2770 | |
2488 | { |
2771 | { |
2489 | int active = ev_active (w); |
2772 | int active = ev_active (w); |
2490 | |
2773 | |
2491 | prepares [active - 1] = prepares [--preparecnt]; |
2774 | prepares [active - 1] = prepares [--preparecnt]; |
2492 | ev_active (prepares [active - 1]) = active; |
2775 | ev_active (prepares [active - 1]) = active; |
2493 | } |
2776 | } |
2494 | |
2777 | |
2495 | ev_stop (EV_A_ (W)w); |
2778 | ev_stop (EV_A_ (W)w); |
|
|
2779 | |
|
|
2780 | EV_FREQUENT_CHECK; |
2496 | } |
2781 | } |
2497 | |
2782 | |
2498 | void |
2783 | void |
2499 | ev_check_start (EV_P_ ev_check *w) |
2784 | ev_check_start (EV_P_ ev_check *w) |
2500 | { |
2785 | { |
2501 | if (expect_false (ev_is_active (w))) |
2786 | if (expect_false (ev_is_active (w))) |
2502 | return; |
2787 | return; |
|
|
2788 | |
|
|
2789 | EV_FREQUENT_CHECK; |
2503 | |
2790 | |
2504 | ev_start (EV_A_ (W)w, ++checkcnt); |
2791 | ev_start (EV_A_ (W)w, ++checkcnt); |
2505 | array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); |
2792 | array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); |
2506 | checks [checkcnt - 1] = w; |
2793 | checks [checkcnt - 1] = w; |
|
|
2794 | |
|
|
2795 | EV_FREQUENT_CHECK; |
2507 | } |
2796 | } |
2508 | |
2797 | |
2509 | void |
2798 | void |
2510 | ev_check_stop (EV_P_ ev_check *w) |
2799 | ev_check_stop (EV_P_ ev_check *w) |
2511 | { |
2800 | { |
2512 | clear_pending (EV_A_ (W)w); |
2801 | clear_pending (EV_A_ (W)w); |
2513 | if (expect_false (!ev_is_active (w))) |
2802 | if (expect_false (!ev_is_active (w))) |
2514 | return; |
2803 | return; |
2515 | |
2804 | |
|
|
2805 | EV_FREQUENT_CHECK; |
|
|
2806 | |
2516 | { |
2807 | { |
2517 | int active = ev_active (w); |
2808 | int active = ev_active (w); |
2518 | |
2809 | |
2519 | checks [active - 1] = checks [--checkcnt]; |
2810 | checks [active - 1] = checks [--checkcnt]; |
2520 | ev_active (checks [active - 1]) = active; |
2811 | ev_active (checks [active - 1]) = active; |
2521 | } |
2812 | } |
2522 | |
2813 | |
2523 | ev_stop (EV_A_ (W)w); |
2814 | ev_stop (EV_A_ (W)w); |
|
|
2815 | |
|
|
2816 | EV_FREQUENT_CHECK; |
2524 | } |
2817 | } |
2525 | |
2818 | |
2526 | #if EV_EMBED_ENABLE |
2819 | #if EV_EMBED_ENABLE |
2527 | void noinline |
2820 | void noinline |
2528 | ev_embed_sweep (EV_P_ ev_embed *w) |
2821 | ev_embed_sweep (EV_P_ ev_embed *w) |
… | |
… | |
2555 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
2848 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
2556 | } |
2849 | } |
2557 | } |
2850 | } |
2558 | } |
2851 | } |
2559 | |
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 | |
2560 | #if 0 |
2865 | #if 0 |
2561 | static void |
2866 | static void |
2562 | embed_idle_cb (EV_P_ ev_idle *idle, int revents) |
2867 | embed_idle_cb (EV_P_ ev_idle *idle, int revents) |
2563 | { |
2868 | { |
2564 | ev_idle_stop (EV_A_ idle); |
2869 | ev_idle_stop (EV_A_ idle); |
… | |
… | |
2575 | struct ev_loop *loop = w->other; |
2880 | struct ev_loop *loop = w->other; |
2576 | 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 ())); |
2577 | 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); |
2578 | } |
2883 | } |
2579 | |
2884 | |
|
|
2885 | EV_FREQUENT_CHECK; |
|
|
2886 | |
2580 | ev_set_priority (&w->io, ev_priority (w)); |
2887 | ev_set_priority (&w->io, ev_priority (w)); |
2581 | ev_io_start (EV_A_ &w->io); |
2888 | ev_io_start (EV_A_ &w->io); |
2582 | |
2889 | |
2583 | ev_prepare_init (&w->prepare, embed_prepare_cb); |
2890 | ev_prepare_init (&w->prepare, embed_prepare_cb); |
2584 | ev_set_priority (&w->prepare, EV_MINPRI); |
2891 | ev_set_priority (&w->prepare, EV_MINPRI); |
2585 | ev_prepare_start (EV_A_ &w->prepare); |
2892 | ev_prepare_start (EV_A_ &w->prepare); |
2586 | |
2893 | |
|
|
2894 | ev_fork_init (&w->fork, embed_fork_cb); |
|
|
2895 | ev_fork_start (EV_A_ &w->fork); |
|
|
2896 | |
2587 | /*ev_idle_init (&w->idle, e,bed_idle_cb);*/ |
2897 | /*ev_idle_init (&w->idle, e,bed_idle_cb);*/ |
2588 | |
2898 | |
2589 | ev_start (EV_A_ (W)w, 1); |
2899 | ev_start (EV_A_ (W)w, 1); |
|
|
2900 | |
|
|
2901 | EV_FREQUENT_CHECK; |
2590 | } |
2902 | } |
2591 | |
2903 | |
2592 | void |
2904 | void |
2593 | ev_embed_stop (EV_P_ ev_embed *w) |
2905 | ev_embed_stop (EV_P_ ev_embed *w) |
2594 | { |
2906 | { |
2595 | clear_pending (EV_A_ (W)w); |
2907 | clear_pending (EV_A_ (W)w); |
2596 | if (expect_false (!ev_is_active (w))) |
2908 | if (expect_false (!ev_is_active (w))) |
2597 | return; |
2909 | return; |
2598 | |
2910 | |
|
|
2911 | EV_FREQUENT_CHECK; |
|
|
2912 | |
2599 | ev_io_stop (EV_A_ &w->io); |
2913 | ev_io_stop (EV_A_ &w->io); |
2600 | ev_prepare_stop (EV_A_ &w->prepare); |
2914 | ev_prepare_stop (EV_A_ &w->prepare); |
|
|
2915 | ev_fork_stop (EV_A_ &w->fork); |
2601 | |
2916 | |
2602 | ev_stop (EV_A_ (W)w); |
2917 | EV_FREQUENT_CHECK; |
2603 | } |
2918 | } |
2604 | #endif |
2919 | #endif |
2605 | |
2920 | |
2606 | #if EV_FORK_ENABLE |
2921 | #if EV_FORK_ENABLE |
2607 | void |
2922 | void |
2608 | ev_fork_start (EV_P_ ev_fork *w) |
2923 | ev_fork_start (EV_P_ ev_fork *w) |
2609 | { |
2924 | { |
2610 | if (expect_false (ev_is_active (w))) |
2925 | if (expect_false (ev_is_active (w))) |
2611 | return; |
2926 | return; |
|
|
2927 | |
|
|
2928 | EV_FREQUENT_CHECK; |
2612 | |
2929 | |
2613 | ev_start (EV_A_ (W)w, ++forkcnt); |
2930 | ev_start (EV_A_ (W)w, ++forkcnt); |
2614 | array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2); |
2931 | array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2); |
2615 | forks [forkcnt - 1] = w; |
2932 | forks [forkcnt - 1] = w; |
|
|
2933 | |
|
|
2934 | EV_FREQUENT_CHECK; |
2616 | } |
2935 | } |
2617 | |
2936 | |
2618 | void |
2937 | void |
2619 | ev_fork_stop (EV_P_ ev_fork *w) |
2938 | ev_fork_stop (EV_P_ ev_fork *w) |
2620 | { |
2939 | { |
2621 | clear_pending (EV_A_ (W)w); |
2940 | clear_pending (EV_A_ (W)w); |
2622 | if (expect_false (!ev_is_active (w))) |
2941 | if (expect_false (!ev_is_active (w))) |
2623 | return; |
2942 | return; |
2624 | |
2943 | |
|
|
2944 | EV_FREQUENT_CHECK; |
|
|
2945 | |
2625 | { |
2946 | { |
2626 | int active = ev_active (w); |
2947 | int active = ev_active (w); |
2627 | |
2948 | |
2628 | forks [active - 1] = forks [--forkcnt]; |
2949 | forks [active - 1] = forks [--forkcnt]; |
2629 | ev_active (forks [active - 1]) = active; |
2950 | ev_active (forks [active - 1]) = active; |
2630 | } |
2951 | } |
2631 | |
2952 | |
2632 | ev_stop (EV_A_ (W)w); |
2953 | ev_stop (EV_A_ (W)w); |
|
|
2954 | |
|
|
2955 | EV_FREQUENT_CHECK; |
2633 | } |
2956 | } |
2634 | #endif |
2957 | #endif |
2635 | |
2958 | |
2636 | #if EV_ASYNC_ENABLE |
2959 | #if EV_ASYNC_ENABLE |
2637 | void |
2960 | void |
… | |
… | |
2639 | { |
2962 | { |
2640 | if (expect_false (ev_is_active (w))) |
2963 | if (expect_false (ev_is_active (w))) |
2641 | return; |
2964 | return; |
2642 | |
2965 | |
2643 | evpipe_init (EV_A); |
2966 | evpipe_init (EV_A); |
|
|
2967 | |
|
|
2968 | EV_FREQUENT_CHECK; |
2644 | |
2969 | |
2645 | ev_start (EV_A_ (W)w, ++asynccnt); |
2970 | ev_start (EV_A_ (W)w, ++asynccnt); |
2646 | array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2); |
2971 | array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2); |
2647 | asyncs [asynccnt - 1] = w; |
2972 | asyncs [asynccnt - 1] = w; |
|
|
2973 | |
|
|
2974 | EV_FREQUENT_CHECK; |
2648 | } |
2975 | } |
2649 | |
2976 | |
2650 | void |
2977 | void |
2651 | ev_async_stop (EV_P_ ev_async *w) |
2978 | ev_async_stop (EV_P_ ev_async *w) |
2652 | { |
2979 | { |
2653 | clear_pending (EV_A_ (W)w); |
2980 | clear_pending (EV_A_ (W)w); |
2654 | if (expect_false (!ev_is_active (w))) |
2981 | if (expect_false (!ev_is_active (w))) |
2655 | return; |
2982 | return; |
2656 | |
2983 | |
|
|
2984 | EV_FREQUENT_CHECK; |
|
|
2985 | |
2657 | { |
2986 | { |
2658 | int active = ev_active (w); |
2987 | int active = ev_active (w); |
2659 | |
2988 | |
2660 | asyncs [active - 1] = asyncs [--asynccnt]; |
2989 | asyncs [active - 1] = asyncs [--asynccnt]; |
2661 | ev_active (asyncs [active - 1]) = active; |
2990 | ev_active (asyncs [active - 1]) = active; |
2662 | } |
2991 | } |
2663 | |
2992 | |
2664 | ev_stop (EV_A_ (W)w); |
2993 | ev_stop (EV_A_ (W)w); |
|
|
2994 | |
|
|
2995 | EV_FREQUENT_CHECK; |
2665 | } |
2996 | } |
2666 | |
2997 | |
2667 | void |
2998 | void |
2668 | ev_async_send (EV_P_ ev_async *w) |
2999 | ev_async_send (EV_P_ ev_async *w) |
2669 | { |
3000 | { |
… | |
… | |
2686 | once_cb (EV_P_ struct ev_once *once, int revents) |
3017 | once_cb (EV_P_ struct ev_once *once, int revents) |
2687 | { |
3018 | { |
2688 | void (*cb)(int revents, void *arg) = once->cb; |
3019 | void (*cb)(int revents, void *arg) = once->cb; |
2689 | void *arg = once->arg; |
3020 | void *arg = once->arg; |
2690 | |
3021 | |
2691 | ev_io_stop (EV_A_ &once->io); |
3022 | ev_io_stop (EV_A_ &once->io); |
2692 | ev_timer_stop (EV_A_ &once->to); |
3023 | ev_timer_stop (EV_A_ &once->to); |
2693 | ev_free (once); |
3024 | ev_free (once); |
2694 | |
3025 | |
2695 | cb (revents, arg); |
3026 | cb (revents, arg); |
2696 | } |
3027 | } |
2697 | |
3028 | |
2698 | static void |
3029 | static void |
2699 | once_cb_io (EV_P_ ev_io *w, int revents) |
3030 | once_cb_io (EV_P_ ev_io *w, int revents) |
2700 | { |
3031 | { |
2701 | 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)); |
2702 | } |
3035 | } |
2703 | |
3036 | |
2704 | static void |
3037 | static void |
2705 | once_cb_to (EV_P_ ev_timer *w, int revents) |
3038 | once_cb_to (EV_P_ ev_timer *w, int revents) |
2706 | { |
3039 | { |
2707 | 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)); |
2708 | } |
3043 | } |
2709 | |
3044 | |
2710 | void |
3045 | void |
2711 | 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) |
2712 | { |
3047 | { |