1 | /* |
1 | /* |
2 | * libev event processing core, watcher management |
2 | * libev event processing core, watcher management |
3 | * |
3 | * |
4 | * Copyright (c) 2007,2008 Marc Alexander Lehmann <libev@schmorp.de> |
4 | * Copyright (c) 2007,2008,2009 Marc Alexander Lehmann <libev@schmorp.de> |
5 | * All rights reserved. |
5 | * All rights reserved. |
6 | * |
6 | * |
7 | * Redistribution and use in source and binary forms, with or without modifica- |
7 | * Redistribution and use in source and binary forms, with or without modifica- |
8 | * tion, are permitted provided that the following conditions are met: |
8 | * tion, are permitted provided that the following conditions are met: |
9 | * |
9 | * |
… | |
… | |
47 | # include EV_CONFIG_H |
47 | # include EV_CONFIG_H |
48 | # else |
48 | # else |
49 | # include "config.h" |
49 | # include "config.h" |
50 | # endif |
50 | # endif |
51 | |
51 | |
|
|
52 | # if HAVE_CLOCK_SYSCALL |
|
|
53 | # ifndef EV_USE_CLOCK_SYSCALL |
|
|
54 | # define EV_USE_CLOCK_SYSCALL 1 |
|
|
55 | # ifndef EV_USE_REALTIME |
|
|
56 | # define EV_USE_REALTIME 0 |
|
|
57 | # endif |
|
|
58 | # ifndef EV_USE_MONOTONIC |
|
|
59 | # define EV_USE_MONOTONIC 1 |
|
|
60 | # endif |
|
|
61 | # endif |
|
|
62 | # endif |
|
|
63 | |
52 | # if HAVE_CLOCK_GETTIME |
64 | # if HAVE_CLOCK_GETTIME |
53 | # ifndef EV_USE_MONOTONIC |
65 | # ifndef EV_USE_MONOTONIC |
54 | # define EV_USE_MONOTONIC 1 |
66 | # define EV_USE_MONOTONIC 1 |
55 | # endif |
67 | # endif |
56 | # ifndef EV_USE_REALTIME |
68 | # ifndef EV_USE_REALTIME |
57 | # define EV_USE_REALTIME 1 |
69 | # define EV_USE_REALTIME 0 |
58 | # endif |
70 | # endif |
59 | # else |
71 | # else |
60 | # ifndef EV_USE_MONOTONIC |
72 | # ifndef EV_USE_MONOTONIC |
61 | # define EV_USE_MONOTONIC 0 |
73 | # define EV_USE_MONOTONIC 0 |
62 | # endif |
74 | # endif |
… | |
… | |
164 | # endif |
176 | # endif |
165 | #endif |
177 | #endif |
166 | |
178 | |
167 | /* this block tries to deduce configuration from header-defined symbols and defaults */ |
179 | /* this block tries to deduce configuration from header-defined symbols and defaults */ |
168 | |
180 | |
|
|
181 | #ifndef EV_USE_CLOCK_SYSCALL |
|
|
182 | # if __linux && __GLIBC__ >= 2 |
|
|
183 | # define EV_USE_CLOCK_SYSCALL 1 |
|
|
184 | # else |
|
|
185 | # define EV_USE_CLOCK_SYSCALL 0 |
|
|
186 | # endif |
|
|
187 | #endif |
|
|
188 | |
169 | #ifndef EV_USE_MONOTONIC |
189 | #ifndef EV_USE_MONOTONIC |
170 | # if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0 |
190 | # if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0 |
171 | # define EV_USE_MONOTONIC 1 |
191 | # define EV_USE_MONOTONIC 1 |
172 | # else |
192 | # else |
173 | # define EV_USE_MONOTONIC 0 |
193 | # define EV_USE_MONOTONIC 0 |
174 | # endif |
194 | # endif |
175 | #endif |
195 | #endif |
176 | |
196 | |
177 | #ifndef EV_USE_REALTIME |
197 | #ifndef EV_USE_REALTIME |
178 | # define EV_USE_REALTIME 0 |
198 | # define EV_USE_REALTIME !EV_USE_CLOCK_SYSCALL |
179 | #endif |
199 | #endif |
180 | |
200 | |
181 | #ifndef EV_USE_NANOSLEEP |
201 | #ifndef EV_USE_NANOSLEEP |
182 | # if _POSIX_C_SOURCE >= 199309L |
202 | # if _POSIX_C_SOURCE >= 199309L |
183 | # define EV_USE_NANOSLEEP 1 |
203 | # define EV_USE_NANOSLEEP 1 |
… | |
… | |
287 | # endif |
307 | # endif |
288 | #endif |
308 | #endif |
289 | |
309 | |
290 | #if EV_USE_INOTIFY |
310 | #if EV_USE_INOTIFY |
291 | # include <sys/utsname.h> |
311 | # include <sys/utsname.h> |
|
|
312 | # include <sys/statfs.h> |
292 | # include <sys/inotify.h> |
313 | # include <sys/inotify.h> |
293 | /* some very old inotify.h headers don't have IN_DONT_FOLLOW */ |
314 | /* some very old inotify.h headers don't have IN_DONT_FOLLOW */ |
294 | # ifndef IN_DONT_FOLLOW |
315 | # ifndef IN_DONT_FOLLOW |
295 | # undef EV_USE_INOTIFY |
316 | # undef EV_USE_INOTIFY |
296 | # define EV_USE_INOTIFY 0 |
317 | # define EV_USE_INOTIFY 0 |
297 | # endif |
318 | # endif |
298 | #endif |
319 | #endif |
299 | |
320 | |
300 | #if EV_SELECT_IS_WINSOCKET |
321 | #if EV_SELECT_IS_WINSOCKET |
301 | # include <winsock.h> |
322 | # include <winsock.h> |
|
|
323 | #endif |
|
|
324 | |
|
|
325 | /* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */ |
|
|
326 | /* which makes programs even slower. might work on other unices, too. */ |
|
|
327 | #if EV_USE_CLOCK_SYSCALL |
|
|
328 | # include <syscall.h> |
|
|
329 | # define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) |
|
|
330 | # undef EV_USE_MONOTONIC |
|
|
331 | # define EV_USE_MONOTONIC 1 |
302 | #endif |
332 | #endif |
303 | |
333 | |
304 | #if EV_USE_EVENTFD |
334 | #if EV_USE_EVENTFD |
305 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
335 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
306 | # include <stdint.h> |
336 | # include <stdint.h> |
… | |
… | |
367 | typedef ev_watcher_time *WT; |
397 | typedef ev_watcher_time *WT; |
368 | |
398 | |
369 | #define ev_active(w) ((W)(w))->active |
399 | #define ev_active(w) ((W)(w))->active |
370 | #define ev_at(w) ((WT)(w))->at |
400 | #define ev_at(w) ((WT)(w))->at |
371 | |
401 | |
372 | #if EV_USE_MONOTONIC |
402 | #if EV_USE_REALTIME |
373 | /* sig_atomic_t is used to avoid per-thread variables or locking but still */ |
403 | /* sig_atomic_t is used to avoid per-thread variables or locking but still */ |
374 | /* giving it a reasonably high chance of working on typical architetcures */ |
404 | /* giving it a reasonably high chance of working on typical architetcures */ |
|
|
405 | static EV_ATOMIC_T have_realtime; /* did clock_gettime (CLOCK_REALTIME) work? */ |
|
|
406 | #endif |
|
|
407 | |
|
|
408 | #if EV_USE_MONOTONIC |
375 | static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
409 | static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
376 | #endif |
410 | #endif |
377 | |
411 | |
378 | #ifdef _WIN32 |
412 | #ifdef _WIN32 |
379 | # include "ev_win32.c" |
413 | # include "ev_win32.c" |
… | |
… | |
388 | { |
422 | { |
389 | syserr_cb = cb; |
423 | syserr_cb = cb; |
390 | } |
424 | } |
391 | |
425 | |
392 | static void noinline |
426 | static void noinline |
393 | syserr (const char *msg) |
427 | ev_syserr (const char *msg) |
394 | { |
428 | { |
395 | if (!msg) |
429 | if (!msg) |
396 | msg = "(libev) system error"; |
430 | msg = "(libev) system error"; |
397 | |
431 | |
398 | if (syserr_cb) |
432 | if (syserr_cb) |
… | |
… | |
450 | { |
484 | { |
451 | WL head; |
485 | WL head; |
452 | unsigned char events; |
486 | unsigned char events; |
453 | unsigned char reify; |
487 | unsigned char reify; |
454 | unsigned char emask; /* the epoll backend stores the actual kernel mask in here */ |
488 | unsigned char emask; /* the epoll backend stores the actual kernel mask in here */ |
|
|
489 | unsigned char unused; |
|
|
490 | #if EV_USE_EPOLL |
455 | unsigned char egen; /* generation counter to counter epoll bugs */ |
491 | unsigned int egen; /* generation counter to counter epoll bugs */ |
|
|
492 | #endif |
456 | #if EV_SELECT_IS_WINSOCKET |
493 | #if EV_SELECT_IS_WINSOCKET |
457 | SOCKET handle; |
494 | SOCKET handle; |
458 | #endif |
495 | #endif |
459 | } ANFD; |
496 | } ANFD; |
460 | |
497 | |
… | |
… | |
520 | |
557 | |
521 | ev_tstamp |
558 | ev_tstamp |
522 | ev_time (void) |
559 | ev_time (void) |
523 | { |
560 | { |
524 | #if EV_USE_REALTIME |
561 | #if EV_USE_REALTIME |
|
|
562 | if (expect_true (have_realtime)) |
|
|
563 | { |
525 | struct timespec ts; |
564 | struct timespec ts; |
526 | clock_gettime (CLOCK_REALTIME, &ts); |
565 | clock_gettime (CLOCK_REALTIME, &ts); |
527 | return ts.tv_sec + ts.tv_nsec * 1e-9; |
566 | return ts.tv_sec + ts.tv_nsec * 1e-9; |
528 | #else |
567 | } |
|
|
568 | #endif |
|
|
569 | |
529 | struct timeval tv; |
570 | struct timeval tv; |
530 | gettimeofday (&tv, 0); |
571 | gettimeofday (&tv, 0); |
531 | return tv.tv_sec + tv.tv_usec * 1e-6; |
572 | return tv.tv_sec + tv.tv_usec * 1e-6; |
532 | #endif |
|
|
533 | } |
573 | } |
534 | |
574 | |
535 | ev_tstamp inline_size |
575 | inline_size ev_tstamp |
536 | get_clock (void) |
576 | get_clock (void) |
537 | { |
577 | { |
538 | #if EV_USE_MONOTONIC |
578 | #if EV_USE_MONOTONIC |
539 | if (expect_true (have_monotonic)) |
579 | if (expect_true (have_monotonic)) |
540 | { |
580 | { |
… | |
… | |
585 | |
625 | |
586 | /*****************************************************************************/ |
626 | /*****************************************************************************/ |
587 | |
627 | |
588 | #define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */ |
628 | #define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */ |
589 | |
629 | |
590 | int inline_size |
630 | inline_size int |
591 | array_nextsize (int elem, int cur, int cnt) |
631 | array_nextsize (int elem, int cur, int cnt) |
592 | { |
632 | { |
593 | int ncur = cur + 1; |
633 | int ncur = cur + 1; |
594 | |
634 | |
595 | do |
635 | do |
… | |
… | |
636 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
676 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
637 | } |
677 | } |
638 | #endif |
678 | #endif |
639 | |
679 | |
640 | #define array_free(stem, idx) \ |
680 | #define array_free(stem, idx) \ |
641 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; |
681 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0 |
642 | |
682 | |
643 | /*****************************************************************************/ |
683 | /*****************************************************************************/ |
644 | |
684 | |
645 | void noinline |
685 | void noinline |
646 | ev_feed_event (EV_P_ void *w, int revents) |
686 | ev_feed_event (EV_P_ void *w, int revents) |
… | |
… | |
657 | pendings [pri][w_->pending - 1].w = w_; |
697 | pendings [pri][w_->pending - 1].w = w_; |
658 | pendings [pri][w_->pending - 1].events = revents; |
698 | pendings [pri][w_->pending - 1].events = revents; |
659 | } |
699 | } |
660 | } |
700 | } |
661 | |
701 | |
662 | void inline_speed |
702 | inline_speed void |
|
|
703 | feed_reverse (EV_P_ W w) |
|
|
704 | { |
|
|
705 | array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, EMPTY2); |
|
|
706 | rfeeds [rfeedcnt++] = w; |
|
|
707 | } |
|
|
708 | |
|
|
709 | inline_size void |
|
|
710 | feed_reverse_done (EV_P_ int revents) |
|
|
711 | { |
|
|
712 | do |
|
|
713 | ev_feed_event (EV_A_ rfeeds [--rfeedcnt], revents); |
|
|
714 | while (rfeedcnt); |
|
|
715 | } |
|
|
716 | |
|
|
717 | inline_speed void |
663 | queue_events (EV_P_ W *events, int eventcnt, int type) |
718 | queue_events (EV_P_ W *events, int eventcnt, int type) |
664 | { |
719 | { |
665 | int i; |
720 | int i; |
666 | |
721 | |
667 | for (i = 0; i < eventcnt; ++i) |
722 | for (i = 0; i < eventcnt; ++i) |
668 | ev_feed_event (EV_A_ events [i], type); |
723 | ev_feed_event (EV_A_ events [i], type); |
669 | } |
724 | } |
670 | |
725 | |
671 | /*****************************************************************************/ |
726 | /*****************************************************************************/ |
672 | |
727 | |
673 | void inline_speed |
728 | inline_speed void |
674 | fd_event (EV_P_ int fd, int revents) |
729 | fd_event (EV_P_ int fd, int revents) |
675 | { |
730 | { |
676 | ANFD *anfd = anfds + fd; |
731 | ANFD *anfd = anfds + fd; |
677 | ev_io *w; |
732 | ev_io *w; |
678 | |
733 | |
… | |
… | |
690 | { |
745 | { |
691 | if (fd >= 0 && fd < anfdmax) |
746 | if (fd >= 0 && fd < anfdmax) |
692 | fd_event (EV_A_ fd, revents); |
747 | fd_event (EV_A_ fd, revents); |
693 | } |
748 | } |
694 | |
749 | |
695 | void inline_size |
750 | inline_size void |
696 | fd_reify (EV_P) |
751 | fd_reify (EV_P) |
697 | { |
752 | { |
698 | int i; |
753 | int i; |
699 | |
754 | |
700 | for (i = 0; i < fdchangecnt; ++i) |
755 | for (i = 0; i < fdchangecnt; ++i) |
… | |
… | |
715 | #ifdef EV_FD_TO_WIN32_HANDLE |
770 | #ifdef EV_FD_TO_WIN32_HANDLE |
716 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
771 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
717 | #else |
772 | #else |
718 | anfd->handle = _get_osfhandle (fd); |
773 | anfd->handle = _get_osfhandle (fd); |
719 | #endif |
774 | #endif |
720 | assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); |
775 | assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); |
721 | } |
776 | } |
722 | #endif |
777 | #endif |
723 | |
778 | |
724 | { |
779 | { |
725 | unsigned char o_events = anfd->events; |
780 | unsigned char o_events = anfd->events; |
726 | unsigned char o_reify = anfd->reify; |
781 | unsigned char o_reify = anfd->reify; |
727 | |
782 | |
728 | anfd->reify = 0; |
783 | anfd->reify = 0; |
729 | anfd->events = events; |
784 | anfd->events = events; |
730 | |
785 | |
731 | if (o_events != events || o_reify & EV_IOFDSET) |
786 | if (o_events != events || o_reify & EV__IOFDSET) |
732 | backend_modify (EV_A_ fd, o_events, events); |
787 | backend_modify (EV_A_ fd, o_events, events); |
733 | } |
788 | } |
734 | } |
789 | } |
735 | |
790 | |
736 | fdchangecnt = 0; |
791 | fdchangecnt = 0; |
737 | } |
792 | } |
738 | |
793 | |
739 | void inline_size |
794 | inline_size void |
740 | fd_change (EV_P_ int fd, int flags) |
795 | fd_change (EV_P_ int fd, int flags) |
741 | { |
796 | { |
742 | unsigned char reify = anfds [fd].reify; |
797 | unsigned char reify = anfds [fd].reify; |
743 | anfds [fd].reify |= flags; |
798 | anfds [fd].reify |= flags; |
744 | |
799 | |
… | |
… | |
748 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
803 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
749 | fdchanges [fdchangecnt - 1] = fd; |
804 | fdchanges [fdchangecnt - 1] = fd; |
750 | } |
805 | } |
751 | } |
806 | } |
752 | |
807 | |
753 | void inline_speed |
808 | inline_speed void |
754 | fd_kill (EV_P_ int fd) |
809 | fd_kill (EV_P_ int fd) |
755 | { |
810 | { |
756 | ev_io *w; |
811 | ev_io *w; |
757 | |
812 | |
758 | while ((w = (ev_io *)anfds [fd].head)) |
813 | while ((w = (ev_io *)anfds [fd].head)) |
… | |
… | |
760 | ev_io_stop (EV_A_ w); |
815 | ev_io_stop (EV_A_ w); |
761 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
816 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
762 | } |
817 | } |
763 | } |
818 | } |
764 | |
819 | |
765 | int inline_size |
820 | inline_size int |
766 | fd_valid (int fd) |
821 | fd_valid (int fd) |
767 | { |
822 | { |
768 | #ifdef _WIN32 |
823 | #ifdef _WIN32 |
769 | return _get_osfhandle (fd) != -1; |
824 | return _get_osfhandle (fd) != -1; |
770 | #else |
825 | #else |
… | |
… | |
807 | for (fd = 0; fd < anfdmax; ++fd) |
862 | for (fd = 0; fd < anfdmax; ++fd) |
808 | if (anfds [fd].events) |
863 | if (anfds [fd].events) |
809 | { |
864 | { |
810 | anfds [fd].events = 0; |
865 | anfds [fd].events = 0; |
811 | anfds [fd].emask = 0; |
866 | anfds [fd].emask = 0; |
812 | fd_change (EV_A_ fd, EV_IOFDSET | 1); |
867 | fd_change (EV_A_ fd, EV__IOFDSET | 1); |
813 | } |
868 | } |
814 | } |
869 | } |
815 | |
870 | |
816 | /*****************************************************************************/ |
871 | /*****************************************************************************/ |
817 | |
872 | |
… | |
… | |
833 | #define HEAP0 (DHEAP - 1) /* index of first element in heap */ |
888 | #define HEAP0 (DHEAP - 1) /* index of first element in heap */ |
834 | #define HPARENT(k) ((((k) - HEAP0 - 1) / DHEAP) + HEAP0) |
889 | #define HPARENT(k) ((((k) - HEAP0 - 1) / DHEAP) + HEAP0) |
835 | #define UPHEAP_DONE(p,k) ((p) == (k)) |
890 | #define UPHEAP_DONE(p,k) ((p) == (k)) |
836 | |
891 | |
837 | /* away from the root */ |
892 | /* away from the root */ |
838 | void inline_speed |
893 | inline_speed void |
839 | downheap (ANHE *heap, int N, int k) |
894 | downheap (ANHE *heap, int N, int k) |
840 | { |
895 | { |
841 | ANHE he = heap [k]; |
896 | ANHE he = heap [k]; |
842 | ANHE *E = heap + N + HEAP0; |
897 | ANHE *E = heap + N + HEAP0; |
843 | |
898 | |
… | |
… | |
883 | #define HEAP0 1 |
938 | #define HEAP0 1 |
884 | #define HPARENT(k) ((k) >> 1) |
939 | #define HPARENT(k) ((k) >> 1) |
885 | #define UPHEAP_DONE(p,k) (!(p)) |
940 | #define UPHEAP_DONE(p,k) (!(p)) |
886 | |
941 | |
887 | /* away from the root */ |
942 | /* away from the root */ |
888 | void inline_speed |
943 | inline_speed void |
889 | downheap (ANHE *heap, int N, int k) |
944 | downheap (ANHE *heap, int N, int k) |
890 | { |
945 | { |
891 | ANHE he = heap [k]; |
946 | ANHE he = heap [k]; |
892 | |
947 | |
893 | for (;;) |
948 | for (;;) |
… | |
… | |
913 | ev_active (ANHE_w (he)) = k; |
968 | ev_active (ANHE_w (he)) = k; |
914 | } |
969 | } |
915 | #endif |
970 | #endif |
916 | |
971 | |
917 | /* towards the root */ |
972 | /* towards the root */ |
918 | void inline_speed |
973 | inline_speed void |
919 | upheap (ANHE *heap, int k) |
974 | upheap (ANHE *heap, int k) |
920 | { |
975 | { |
921 | ANHE he = heap [k]; |
976 | ANHE he = heap [k]; |
922 | |
977 | |
923 | for (;;) |
978 | for (;;) |
… | |
… | |
934 | |
989 | |
935 | heap [k] = he; |
990 | heap [k] = he; |
936 | ev_active (ANHE_w (he)) = k; |
991 | ev_active (ANHE_w (he)) = k; |
937 | } |
992 | } |
938 | |
993 | |
939 | void inline_size |
994 | inline_size void |
940 | adjustheap (ANHE *heap, int N, int k) |
995 | adjustheap (ANHE *heap, int N, int k) |
941 | { |
996 | { |
942 | if (k > HEAP0 && ANHE_at (heap [HPARENT (k)]) >= ANHE_at (heap [k])) |
997 | if (k > HEAP0 && ANHE_at (heap [HPARENT (k)]) >= ANHE_at (heap [k])) |
943 | upheap (heap, k); |
998 | upheap (heap, k); |
944 | else |
999 | else |
945 | downheap (heap, N, k); |
1000 | downheap (heap, N, k); |
946 | } |
1001 | } |
947 | |
1002 | |
948 | /* rebuild the heap: this function is used only once and executed rarely */ |
1003 | /* rebuild the heap: this function is used only once and executed rarely */ |
949 | void inline_size |
1004 | inline_size void |
950 | reheap (ANHE *heap, int N) |
1005 | reheap (ANHE *heap, int N) |
951 | { |
1006 | { |
952 | int i; |
1007 | int i; |
953 | |
1008 | |
954 | /* we don't use floyds algorithm, upheap is simpler and is more cache-efficient */ |
1009 | /* we don't use floyds algorithm, upheap is simpler and is more cache-efficient */ |
… | |
… | |
970 | |
1025 | |
971 | static EV_ATOMIC_T gotsig; |
1026 | static EV_ATOMIC_T gotsig; |
972 | |
1027 | |
973 | /*****************************************************************************/ |
1028 | /*****************************************************************************/ |
974 | |
1029 | |
975 | void inline_speed |
1030 | inline_speed void |
976 | fd_intern (int fd) |
1031 | fd_intern (int fd) |
977 | { |
1032 | { |
978 | #ifdef _WIN32 |
1033 | #ifdef _WIN32 |
979 | unsigned long arg = 1; |
1034 | unsigned long arg = 1; |
980 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
1035 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
… | |
… | |
998 | } |
1053 | } |
999 | else |
1054 | else |
1000 | #endif |
1055 | #endif |
1001 | { |
1056 | { |
1002 | while (pipe (evpipe)) |
1057 | while (pipe (evpipe)) |
1003 | syserr ("(libev) error creating signal/async pipe"); |
1058 | ev_syserr ("(libev) error creating signal/async pipe"); |
1004 | |
1059 | |
1005 | fd_intern (evpipe [0]); |
1060 | fd_intern (evpipe [0]); |
1006 | fd_intern (evpipe [1]); |
1061 | fd_intern (evpipe [1]); |
1007 | ev_io_set (&pipeev, evpipe [0], EV_READ); |
1062 | ev_io_set (&pipeev, evpipe [0], EV_READ); |
1008 | } |
1063 | } |
… | |
… | |
1010 | ev_io_start (EV_A_ &pipeev); |
1065 | ev_io_start (EV_A_ &pipeev); |
1011 | ev_unref (EV_A); /* watcher should not keep loop alive */ |
1066 | ev_unref (EV_A); /* watcher should not keep loop alive */ |
1012 | } |
1067 | } |
1013 | } |
1068 | } |
1014 | |
1069 | |
1015 | void inline_size |
1070 | inline_size void |
1016 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
1071 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
1017 | { |
1072 | { |
1018 | if (!*flag) |
1073 | if (!*flag) |
1019 | { |
1074 | { |
1020 | int old_errno = errno; /* save errno because write might clobber it */ |
1075 | int old_errno = errno; /* save errno because write might clobber it */ |
… | |
… | |
1098 | ev_feed_signal_event (EV_P_ int signum) |
1153 | ev_feed_signal_event (EV_P_ int signum) |
1099 | { |
1154 | { |
1100 | WL w; |
1155 | WL w; |
1101 | |
1156 | |
1102 | #if EV_MULTIPLICITY |
1157 | #if EV_MULTIPLICITY |
1103 | assert (("feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr)); |
1158 | assert (("libev: feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr)); |
1104 | #endif |
1159 | #endif |
1105 | |
1160 | |
1106 | --signum; |
1161 | --signum; |
1107 | |
1162 | |
1108 | if (signum < 0 || signum >= signalmax) |
1163 | if (signum < 0 || signum >= signalmax) |
… | |
… | |
1124 | |
1179 | |
1125 | #ifndef WIFCONTINUED |
1180 | #ifndef WIFCONTINUED |
1126 | # define WIFCONTINUED(status) 0 |
1181 | # define WIFCONTINUED(status) 0 |
1127 | #endif |
1182 | #endif |
1128 | |
1183 | |
1129 | void inline_speed |
1184 | inline_speed void |
1130 | child_reap (EV_P_ int chain, int pid, int status) |
1185 | child_reap (EV_P_ int chain, int pid, int status) |
1131 | { |
1186 | { |
1132 | ev_child *w; |
1187 | ev_child *w; |
1133 | int traced = WIFSTOPPED (status) || WIFCONTINUED (status); |
1188 | int traced = WIFSTOPPED (status) || WIFCONTINUED (status); |
1134 | |
1189 | |
… | |
… | |
1237 | /* kqueue is borked on everything but netbsd apparently */ |
1292 | /* kqueue is borked on everything but netbsd apparently */ |
1238 | /* it usually doesn't work correctly on anything but sockets and pipes */ |
1293 | /* it usually doesn't work correctly on anything but sockets and pipes */ |
1239 | flags &= ~EVBACKEND_KQUEUE; |
1294 | flags &= ~EVBACKEND_KQUEUE; |
1240 | #endif |
1295 | #endif |
1241 | #ifdef __APPLE__ |
1296 | #ifdef __APPLE__ |
1242 | // flags &= ~EVBACKEND_KQUEUE; for documentation |
1297 | /* only select works correctly on that "unix-certified" platform */ |
1243 | flags &= ~EVBACKEND_POLL; |
1298 | flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */ |
|
|
1299 | flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */ |
1244 | #endif |
1300 | #endif |
1245 | |
1301 | |
1246 | return flags; |
1302 | return flags; |
1247 | } |
1303 | } |
1248 | |
1304 | |
… | |
… | |
1285 | static void noinline |
1341 | static void noinline |
1286 | loop_init (EV_P_ unsigned int flags) |
1342 | loop_init (EV_P_ unsigned int flags) |
1287 | { |
1343 | { |
1288 | if (!backend) |
1344 | if (!backend) |
1289 | { |
1345 | { |
|
|
1346 | #if EV_USE_REALTIME |
|
|
1347 | if (!have_realtime) |
|
|
1348 | { |
|
|
1349 | struct timespec ts; |
|
|
1350 | |
|
|
1351 | if (!clock_gettime (CLOCK_REALTIME, &ts)) |
|
|
1352 | have_realtime = 1; |
|
|
1353 | } |
|
|
1354 | #endif |
|
|
1355 | |
1290 | #if EV_USE_MONOTONIC |
1356 | #if EV_USE_MONOTONIC |
|
|
1357 | if (!have_monotonic) |
1291 | { |
1358 | { |
1292 | struct timespec ts; |
1359 | struct timespec ts; |
|
|
1360 | |
1293 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
1361 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
1294 | have_monotonic = 1; |
1362 | have_monotonic = 1; |
1295 | } |
1363 | } |
1296 | #endif |
1364 | #endif |
1297 | |
1365 | |
1298 | ev_rt_now = ev_time (); |
1366 | ev_rt_now = ev_time (); |
1299 | mn_now = get_clock (); |
1367 | mn_now = get_clock (); |
1300 | now_floor = mn_now; |
1368 | now_floor = mn_now; |
… | |
… | |
1399 | } |
1467 | } |
1400 | |
1468 | |
1401 | ev_free (anfds); anfdmax = 0; |
1469 | ev_free (anfds); anfdmax = 0; |
1402 | |
1470 | |
1403 | /* have to use the microsoft-never-gets-it-right macro */ |
1471 | /* have to use the microsoft-never-gets-it-right macro */ |
|
|
1472 | array_free (rfeed, EMPTY); |
1404 | array_free (fdchange, EMPTY); |
1473 | array_free (fdchange, EMPTY); |
1405 | array_free (timer, EMPTY); |
1474 | array_free (timer, EMPTY); |
1406 | #if EV_PERIODIC_ENABLE |
1475 | #if EV_PERIODIC_ENABLE |
1407 | array_free (periodic, EMPTY); |
1476 | array_free (periodic, EMPTY); |
1408 | #endif |
1477 | #endif |
… | |
… | |
1417 | |
1486 | |
1418 | backend = 0; |
1487 | backend = 0; |
1419 | } |
1488 | } |
1420 | |
1489 | |
1421 | #if EV_USE_INOTIFY |
1490 | #if EV_USE_INOTIFY |
1422 | void inline_size infy_fork (EV_P); |
1491 | inline_size void infy_fork (EV_P); |
1423 | #endif |
1492 | #endif |
1424 | |
1493 | |
1425 | void inline_size |
1494 | inline_size void |
1426 | loop_fork (EV_P) |
1495 | loop_fork (EV_P) |
1427 | { |
1496 | { |
1428 | #if EV_USE_PORT |
1497 | #if EV_USE_PORT |
1429 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
1498 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
1430 | #endif |
1499 | #endif |
… | |
… | |
1501 | |
1570 | |
1502 | #if EV_VERIFY |
1571 | #if EV_VERIFY |
1503 | static void noinline |
1572 | static void noinline |
1504 | verify_watcher (EV_P_ W w) |
1573 | verify_watcher (EV_P_ W w) |
1505 | { |
1574 | { |
1506 | assert (("watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
1575 | assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
1507 | |
1576 | |
1508 | if (w->pending) |
1577 | if (w->pending) |
1509 | assert (("pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
1578 | assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
1510 | } |
1579 | } |
1511 | |
1580 | |
1512 | static void noinline |
1581 | static void noinline |
1513 | verify_heap (EV_P_ ANHE *heap, int N) |
1582 | verify_heap (EV_P_ ANHE *heap, int N) |
1514 | { |
1583 | { |
1515 | int i; |
1584 | int i; |
1516 | |
1585 | |
1517 | for (i = HEAP0; i < N + HEAP0; ++i) |
1586 | for (i = HEAP0; i < N + HEAP0; ++i) |
1518 | { |
1587 | { |
1519 | assert (("active index mismatch in heap", ev_active (ANHE_w (heap [i])) == i)); |
1588 | assert (("libev: active index mismatch in heap", ev_active (ANHE_w (heap [i])) == i)); |
1520 | assert (("heap condition violated", i == HEAP0 || ANHE_at (heap [HPARENT (i)]) <= ANHE_at (heap [i]))); |
1589 | assert (("libev: heap condition violated", i == HEAP0 || ANHE_at (heap [HPARENT (i)]) <= ANHE_at (heap [i]))); |
1521 | assert (("heap at cache mismatch", ANHE_at (heap [i]) == ev_at (ANHE_w (heap [i])))); |
1590 | assert (("libev: heap at cache mismatch", ANHE_at (heap [i]) == ev_at (ANHE_w (heap [i])))); |
1522 | |
1591 | |
1523 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
1592 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
1524 | } |
1593 | } |
1525 | } |
1594 | } |
1526 | |
1595 | |
1527 | static void noinline |
1596 | static void noinline |
1528 | array_verify (EV_P_ W *ws, int cnt) |
1597 | array_verify (EV_P_ W *ws, int cnt) |
1529 | { |
1598 | { |
1530 | while (cnt--) |
1599 | while (cnt--) |
1531 | { |
1600 | { |
1532 | assert (("active index mismatch", ev_active (ws [cnt]) == cnt + 1)); |
1601 | assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1)); |
1533 | verify_watcher (EV_A_ ws [cnt]); |
1602 | verify_watcher (EV_A_ ws [cnt]); |
1534 | } |
1603 | } |
1535 | } |
1604 | } |
1536 | #endif |
1605 | #endif |
1537 | |
1606 | |
… | |
… | |
1544 | |
1613 | |
1545 | assert (activecnt >= -1); |
1614 | assert (activecnt >= -1); |
1546 | |
1615 | |
1547 | assert (fdchangemax >= fdchangecnt); |
1616 | assert (fdchangemax >= fdchangecnt); |
1548 | for (i = 0; i < fdchangecnt; ++i) |
1617 | for (i = 0; i < fdchangecnt; ++i) |
1549 | assert (("negative fd in fdchanges", fdchanges [i] >= 0)); |
1618 | assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0)); |
1550 | |
1619 | |
1551 | assert (anfdmax >= 0); |
1620 | assert (anfdmax >= 0); |
1552 | for (i = 0; i < anfdmax; ++i) |
1621 | for (i = 0; i < anfdmax; ++i) |
1553 | for (w = anfds [i].head; w; w = w->next) |
1622 | for (w = anfds [i].head; w; w = w->next) |
1554 | { |
1623 | { |
1555 | verify_watcher (EV_A_ (W)w); |
1624 | verify_watcher (EV_A_ (W)w); |
1556 | assert (("inactive fd watcher on anfd list", ev_active (w) == 1)); |
1625 | assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1)); |
1557 | assert (("fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i)); |
1626 | assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i)); |
1558 | } |
1627 | } |
1559 | |
1628 | |
1560 | assert (timermax >= timercnt); |
1629 | assert (timermax >= timercnt); |
1561 | verify_heap (EV_A_ timers, timercnt); |
1630 | verify_heap (EV_A_ timers, timercnt); |
1562 | |
1631 | |
… | |
… | |
1656 | { |
1725 | { |
1657 | #if EV_MULTIPLICITY |
1726 | #if EV_MULTIPLICITY |
1658 | struct ev_loop *loop = ev_default_loop_ptr; |
1727 | struct ev_loop *loop = ev_default_loop_ptr; |
1659 | #endif |
1728 | #endif |
1660 | |
1729 | |
1661 | if (backend) |
|
|
1662 | postfork = 1; /* must be in line with ev_loop_fork */ |
1730 | postfork = 1; /* must be in line with ev_loop_fork */ |
1663 | } |
1731 | } |
1664 | |
1732 | |
1665 | /*****************************************************************************/ |
1733 | /*****************************************************************************/ |
1666 | |
1734 | |
1667 | void |
1735 | void |
1668 | ev_invoke (EV_P_ void *w, int revents) |
1736 | ev_invoke (EV_P_ void *w, int revents) |
1669 | { |
1737 | { |
1670 | EV_CB_INVOKE ((W)w, revents); |
1738 | EV_CB_INVOKE ((W)w, revents); |
1671 | } |
1739 | } |
1672 | |
1740 | |
1673 | void inline_speed |
1741 | inline_speed void |
1674 | call_pending (EV_P) |
1742 | call_pending (EV_P) |
1675 | { |
1743 | { |
1676 | int pri; |
1744 | int pri; |
1677 | |
1745 | |
1678 | for (pri = NUMPRI; pri--; ) |
1746 | for (pri = NUMPRI; pri--; ) |
… | |
… | |
1680 | { |
1748 | { |
1681 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
1749 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
1682 | |
1750 | |
1683 | if (expect_true (p->w)) |
1751 | if (expect_true (p->w)) |
1684 | { |
1752 | { |
1685 | /*assert (("non-pending watcher on pending list", p->w->pending));*/ |
1753 | /*assert (("libev: non-pending watcher on pending list", p->w->pending));*/ |
1686 | |
1754 | |
1687 | p->w->pending = 0; |
1755 | p->w->pending = 0; |
1688 | EV_CB_INVOKE (p->w, p->events); |
1756 | EV_CB_INVOKE (p->w, p->events); |
1689 | EV_FREQUENT_CHECK; |
1757 | EV_FREQUENT_CHECK; |
1690 | } |
1758 | } |
1691 | } |
1759 | } |
1692 | } |
1760 | } |
1693 | |
1761 | |
1694 | #if EV_IDLE_ENABLE |
1762 | #if EV_IDLE_ENABLE |
1695 | void inline_size |
1763 | inline_size void |
1696 | idle_reify (EV_P) |
1764 | idle_reify (EV_P) |
1697 | { |
1765 | { |
1698 | if (expect_false (idleall)) |
1766 | if (expect_false (idleall)) |
1699 | { |
1767 | { |
1700 | int pri; |
1768 | int pri; |
… | |
… | |
1712 | } |
1780 | } |
1713 | } |
1781 | } |
1714 | } |
1782 | } |
1715 | #endif |
1783 | #endif |
1716 | |
1784 | |
1717 | void inline_size |
1785 | inline_size void |
1718 | timers_reify (EV_P) |
1786 | timers_reify (EV_P) |
1719 | { |
1787 | { |
1720 | EV_FREQUENT_CHECK; |
1788 | EV_FREQUENT_CHECK; |
1721 | |
1789 | |
1722 | while (timercnt && ANHE_at (timers [HEAP0]) < mn_now) |
1790 | if (timercnt && ANHE_at (timers [HEAP0]) < mn_now) |
1723 | { |
1791 | { |
1724 | ev_timer *w = (ev_timer *)ANHE_w (timers [HEAP0]); |
1792 | do |
1725 | |
|
|
1726 | /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/ |
|
|
1727 | |
|
|
1728 | /* first reschedule or stop timer */ |
|
|
1729 | if (w->repeat) |
|
|
1730 | { |
1793 | { |
|
|
1794 | ev_timer *w = (ev_timer *)ANHE_w (timers [HEAP0]); |
|
|
1795 | |
|
|
1796 | /*assert (("libev: inactive timer on timer heap detected", ev_is_active (w)));*/ |
|
|
1797 | |
|
|
1798 | /* first reschedule or stop timer */ |
|
|
1799 | if (w->repeat) |
|
|
1800 | { |
1731 | ev_at (w) += w->repeat; |
1801 | ev_at (w) += w->repeat; |
1732 | if (ev_at (w) < mn_now) |
1802 | if (ev_at (w) < mn_now) |
1733 | ev_at (w) = mn_now; |
1803 | ev_at (w) = mn_now; |
1734 | |
1804 | |
1735 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
1805 | assert (("libev: negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
1736 | |
1806 | |
1737 | ANHE_at_cache (timers [HEAP0]); |
1807 | ANHE_at_cache (timers [HEAP0]); |
1738 | downheap (timers, timercnt, HEAP0); |
1808 | downheap (timers, timercnt, HEAP0); |
|
|
1809 | } |
|
|
1810 | else |
|
|
1811 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1812 | |
|
|
1813 | EV_FREQUENT_CHECK; |
|
|
1814 | feed_reverse (EV_A_ (W)w); |
1739 | } |
1815 | } |
1740 | else |
1816 | while (timercnt && ANHE_at (timers [HEAP0]) < mn_now); |
1741 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1742 | |
1817 | |
1743 | EV_FREQUENT_CHECK; |
|
|
1744 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
1818 | feed_reverse_done (EV_A_ EV_TIMEOUT); |
1745 | } |
1819 | } |
1746 | } |
1820 | } |
1747 | |
1821 | |
1748 | #if EV_PERIODIC_ENABLE |
1822 | #if EV_PERIODIC_ENABLE |
1749 | void inline_size |
1823 | inline_size void |
1750 | periodics_reify (EV_P) |
1824 | periodics_reify (EV_P) |
1751 | { |
1825 | { |
1752 | EV_FREQUENT_CHECK; |
1826 | EV_FREQUENT_CHECK; |
1753 | |
1827 | |
1754 | while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now) |
1828 | while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now) |
1755 | { |
1829 | { |
1756 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]); |
1830 | int feed_count = 0; |
1757 | |
1831 | |
1758 | /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ |
1832 | do |
1759 | |
|
|
1760 | /* first reschedule or stop timer */ |
|
|
1761 | if (w->reschedule_cb) |
|
|
1762 | { |
1833 | { |
|
|
1834 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]); |
|
|
1835 | |
|
|
1836 | /*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/ |
|
|
1837 | |
|
|
1838 | /* first reschedule or stop timer */ |
|
|
1839 | if (w->reschedule_cb) |
|
|
1840 | { |
1763 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
1841 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
1764 | |
1842 | |
1765 | assert (("ev_periodic reschedule callback returned time in the past", ev_at (w) >= ev_rt_now)); |
1843 | assert (("libev: ev_periodic reschedule callback returned time in the past", ev_at (w) >= ev_rt_now)); |
1766 | |
1844 | |
1767 | ANHE_at_cache (periodics [HEAP0]); |
1845 | ANHE_at_cache (periodics [HEAP0]); |
1768 | downheap (periodics, periodiccnt, HEAP0); |
1846 | downheap (periodics, periodiccnt, HEAP0); |
|
|
1847 | } |
|
|
1848 | else if (w->interval) |
|
|
1849 | { |
|
|
1850 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1851 | /* if next trigger time is not sufficiently in the future, put it there */ |
|
|
1852 | /* this might happen because of floating point inexactness */ |
|
|
1853 | if (ev_at (w) - ev_rt_now < TIME_EPSILON) |
|
|
1854 | { |
|
|
1855 | ev_at (w) += w->interval; |
|
|
1856 | |
|
|
1857 | /* if interval is unreasonably low we might still have a time in the past */ |
|
|
1858 | /* so correct this. this will make the periodic very inexact, but the user */ |
|
|
1859 | /* has effectively asked to get triggered more often than possible */ |
|
|
1860 | if (ev_at (w) < ev_rt_now) |
|
|
1861 | ev_at (w) = ev_rt_now; |
|
|
1862 | } |
|
|
1863 | |
|
|
1864 | ANHE_at_cache (periodics [HEAP0]); |
|
|
1865 | downheap (periodics, periodiccnt, HEAP0); |
|
|
1866 | } |
|
|
1867 | else |
|
|
1868 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1869 | |
|
|
1870 | EV_FREQUENT_CHECK; |
|
|
1871 | feed_reverse (EV_A_ (W)w); |
1769 | } |
1872 | } |
1770 | else if (w->interval) |
1873 | while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now); |
1771 | { |
|
|
1772 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1773 | /* if next trigger time is not sufficiently in the future, put it there */ |
|
|
1774 | /* this might happen because of floating point inexactness */ |
|
|
1775 | if (ev_at (w) - ev_rt_now < TIME_EPSILON) |
|
|
1776 | { |
|
|
1777 | ev_at (w) += w->interval; |
|
|
1778 | |
1874 | |
1779 | /* if interval is unreasonably low we might still have a time in the past */ |
|
|
1780 | /* so correct this. this will make the periodic very inexact, but the user */ |
|
|
1781 | /* has effectively asked to get triggered more often than possible */ |
|
|
1782 | if (ev_at (w) < ev_rt_now) |
|
|
1783 | ev_at (w) = ev_rt_now; |
|
|
1784 | } |
|
|
1785 | |
|
|
1786 | ANHE_at_cache (periodics [HEAP0]); |
|
|
1787 | downheap (periodics, periodiccnt, HEAP0); |
|
|
1788 | } |
|
|
1789 | else |
|
|
1790 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1791 | |
|
|
1792 | EV_FREQUENT_CHECK; |
|
|
1793 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
1875 | feed_reverse_done (EV_A_ EV_PERIODIC); |
1794 | } |
1876 | } |
1795 | } |
1877 | } |
1796 | |
1878 | |
1797 | static void noinline |
1879 | static void noinline |
1798 | periodics_reschedule (EV_P) |
1880 | periodics_reschedule (EV_P) |
… | |
… | |
1814 | |
1896 | |
1815 | reheap (periodics, periodiccnt); |
1897 | reheap (periodics, periodiccnt); |
1816 | } |
1898 | } |
1817 | #endif |
1899 | #endif |
1818 | |
1900 | |
1819 | void inline_speed |
1901 | static void noinline |
|
|
1902 | timers_reschedule (EV_P_ ev_tstamp adjust) |
|
|
1903 | { |
|
|
1904 | int i; |
|
|
1905 | |
|
|
1906 | for (i = 0; i < timercnt; ++i) |
|
|
1907 | { |
|
|
1908 | ANHE *he = timers + i + HEAP0; |
|
|
1909 | ANHE_w (*he)->at += adjust; |
|
|
1910 | ANHE_at_cache (*he); |
|
|
1911 | } |
|
|
1912 | } |
|
|
1913 | |
|
|
1914 | inline_speed void |
1820 | time_update (EV_P_ ev_tstamp max_block) |
1915 | time_update (EV_P_ ev_tstamp max_block) |
1821 | { |
1916 | { |
1822 | int i; |
1917 | int i; |
1823 | |
1918 | |
1824 | #if EV_USE_MONOTONIC |
1919 | #if EV_USE_MONOTONIC |
… | |
… | |
1857 | ev_rt_now = ev_time (); |
1952 | ev_rt_now = ev_time (); |
1858 | mn_now = get_clock (); |
1953 | mn_now = get_clock (); |
1859 | now_floor = mn_now; |
1954 | now_floor = mn_now; |
1860 | } |
1955 | } |
1861 | |
1956 | |
|
|
1957 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
|
|
1958 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
1862 | # if EV_PERIODIC_ENABLE |
1959 | # if EV_PERIODIC_ENABLE |
1863 | periodics_reschedule (EV_A); |
1960 | periodics_reschedule (EV_A); |
1864 | # endif |
1961 | # endif |
1865 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
|
|
1866 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
|
|
1867 | } |
1962 | } |
1868 | else |
1963 | else |
1869 | #endif |
1964 | #endif |
1870 | { |
1965 | { |
1871 | ev_rt_now = ev_time (); |
1966 | ev_rt_now = ev_time (); |
1872 | |
1967 | |
1873 | if (expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP)) |
1968 | if (expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP)) |
1874 | { |
1969 | { |
|
|
1970 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
|
|
1971 | timers_reschedule (EV_A_ ev_rt_now - mn_now); |
1875 | #if EV_PERIODIC_ENABLE |
1972 | #if EV_PERIODIC_ENABLE |
1876 | periodics_reschedule (EV_A); |
1973 | periodics_reschedule (EV_A); |
1877 | #endif |
1974 | #endif |
1878 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
|
|
1879 | for (i = 0; i < timercnt; ++i) |
|
|
1880 | { |
|
|
1881 | ANHE *he = timers + i + HEAP0; |
|
|
1882 | ANHE_w (*he)->at += ev_rt_now - mn_now; |
|
|
1883 | ANHE_at_cache (*he); |
|
|
1884 | } |
|
|
1885 | } |
1975 | } |
1886 | |
1976 | |
1887 | mn_now = ev_rt_now; |
1977 | mn_now = ev_rt_now; |
1888 | } |
1978 | } |
1889 | } |
|
|
1890 | |
|
|
1891 | void |
|
|
1892 | ev_ref (EV_P) |
|
|
1893 | { |
|
|
1894 | ++activecnt; |
|
|
1895 | } |
|
|
1896 | |
|
|
1897 | void |
|
|
1898 | ev_unref (EV_P) |
|
|
1899 | { |
|
|
1900 | --activecnt; |
|
|
1901 | } |
|
|
1902 | |
|
|
1903 | void |
|
|
1904 | ev_now_update (EV_P) |
|
|
1905 | { |
|
|
1906 | time_update (EV_A_ 1e100); |
|
|
1907 | } |
1979 | } |
1908 | |
1980 | |
1909 | static int loop_done; |
1981 | static int loop_done; |
1910 | |
1982 | |
1911 | void |
1983 | void |
… | |
… | |
1945 | { |
2017 | { |
1946 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
2018 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
1947 | call_pending (EV_A); |
2019 | call_pending (EV_A); |
1948 | } |
2020 | } |
1949 | |
2021 | |
1950 | if (expect_false (!activecnt)) |
|
|
1951 | break; |
|
|
1952 | |
|
|
1953 | /* we might have forked, so reify kernel state if necessary */ |
2022 | /* we might have forked, so reify kernel state if necessary */ |
1954 | if (expect_false (postfork)) |
2023 | if (expect_false (postfork)) |
1955 | loop_fork (EV_A); |
2024 | loop_fork (EV_A); |
1956 | |
2025 | |
1957 | /* update fd-related kernel structures */ |
2026 | /* update fd-related kernel structures */ |
… | |
… | |
2036 | ev_unloop (EV_P_ int how) |
2105 | ev_unloop (EV_P_ int how) |
2037 | { |
2106 | { |
2038 | loop_done = how; |
2107 | loop_done = how; |
2039 | } |
2108 | } |
2040 | |
2109 | |
|
|
2110 | void |
|
|
2111 | ev_ref (EV_P) |
|
|
2112 | { |
|
|
2113 | ++activecnt; |
|
|
2114 | } |
|
|
2115 | |
|
|
2116 | void |
|
|
2117 | ev_unref (EV_P) |
|
|
2118 | { |
|
|
2119 | --activecnt; |
|
|
2120 | } |
|
|
2121 | |
|
|
2122 | void |
|
|
2123 | ev_now_update (EV_P) |
|
|
2124 | { |
|
|
2125 | time_update (EV_A_ 1e100); |
|
|
2126 | } |
|
|
2127 | |
|
|
2128 | void |
|
|
2129 | ev_suspend (EV_P) |
|
|
2130 | { |
|
|
2131 | ev_now_update (EV_A); |
|
|
2132 | } |
|
|
2133 | |
|
|
2134 | void |
|
|
2135 | ev_resume (EV_P) |
|
|
2136 | { |
|
|
2137 | ev_tstamp mn_prev = mn_now; |
|
|
2138 | |
|
|
2139 | ev_now_update (EV_A); |
|
|
2140 | timers_reschedule (EV_A_ mn_now - mn_prev); |
|
|
2141 | #if EV_PERIODIC_ENABLE |
|
|
2142 | periodics_reschedule (EV_A); |
|
|
2143 | #endif |
|
|
2144 | } |
|
|
2145 | |
2041 | /*****************************************************************************/ |
2146 | /*****************************************************************************/ |
2042 | |
2147 | |
2043 | void inline_size |
2148 | inline_size void |
2044 | wlist_add (WL *head, WL elem) |
2149 | wlist_add (WL *head, WL elem) |
2045 | { |
2150 | { |
2046 | elem->next = *head; |
2151 | elem->next = *head; |
2047 | *head = elem; |
2152 | *head = elem; |
2048 | } |
2153 | } |
2049 | |
2154 | |
2050 | void inline_size |
2155 | inline_size void |
2051 | wlist_del (WL *head, WL elem) |
2156 | wlist_del (WL *head, WL elem) |
2052 | { |
2157 | { |
2053 | while (*head) |
2158 | while (*head) |
2054 | { |
2159 | { |
2055 | if (*head == elem) |
2160 | if (*head == elem) |
… | |
… | |
2060 | |
2165 | |
2061 | head = &(*head)->next; |
2166 | head = &(*head)->next; |
2062 | } |
2167 | } |
2063 | } |
2168 | } |
2064 | |
2169 | |
2065 | void inline_speed |
2170 | inline_speed void |
2066 | clear_pending (EV_P_ W w) |
2171 | clear_pending (EV_P_ W w) |
2067 | { |
2172 | { |
2068 | if (w->pending) |
2173 | if (w->pending) |
2069 | { |
2174 | { |
2070 | pendings [ABSPRI (w)][w->pending - 1].w = 0; |
2175 | pendings [ABSPRI (w)][w->pending - 1].w = 0; |
… | |
… | |
2087 | } |
2192 | } |
2088 | else |
2193 | else |
2089 | return 0; |
2194 | return 0; |
2090 | } |
2195 | } |
2091 | |
2196 | |
2092 | void inline_size |
2197 | inline_size void |
2093 | pri_adjust (EV_P_ W w) |
2198 | pri_adjust (EV_P_ W w) |
2094 | { |
2199 | { |
2095 | int pri = w->priority; |
2200 | int pri = w->priority; |
2096 | pri = pri < EV_MINPRI ? EV_MINPRI : pri; |
2201 | pri = pri < EV_MINPRI ? EV_MINPRI : pri; |
2097 | pri = pri > EV_MAXPRI ? EV_MAXPRI : pri; |
2202 | pri = pri > EV_MAXPRI ? EV_MAXPRI : pri; |
2098 | w->priority = pri; |
2203 | w->priority = pri; |
2099 | } |
2204 | } |
2100 | |
2205 | |
2101 | void inline_speed |
2206 | inline_speed void |
2102 | ev_start (EV_P_ W w, int active) |
2207 | ev_start (EV_P_ W w, int active) |
2103 | { |
2208 | { |
2104 | pri_adjust (EV_A_ w); |
2209 | pri_adjust (EV_A_ w); |
2105 | w->active = active; |
2210 | w->active = active; |
2106 | ev_ref (EV_A); |
2211 | ev_ref (EV_A); |
2107 | } |
2212 | } |
2108 | |
2213 | |
2109 | void inline_size |
2214 | inline_size void |
2110 | ev_stop (EV_P_ W w) |
2215 | ev_stop (EV_P_ W w) |
2111 | { |
2216 | { |
2112 | ev_unref (EV_A); |
2217 | ev_unref (EV_A); |
2113 | w->active = 0; |
2218 | w->active = 0; |
2114 | } |
2219 | } |
… | |
… | |
2121 | int fd = w->fd; |
2226 | int fd = w->fd; |
2122 | |
2227 | |
2123 | if (expect_false (ev_is_active (w))) |
2228 | if (expect_false (ev_is_active (w))) |
2124 | return; |
2229 | return; |
2125 | |
2230 | |
2126 | assert (("ev_io_start called with negative fd", fd >= 0)); |
2231 | assert (("libev: ev_io_start called with negative fd", fd >= 0)); |
2127 | assert (("ev_io start called with illegal event mask", !(w->events & ~(EV_IOFDSET | EV_READ | EV_WRITE)))); |
2232 | assert (("libev: ev_io start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); |
2128 | |
2233 | |
2129 | EV_FREQUENT_CHECK; |
2234 | EV_FREQUENT_CHECK; |
2130 | |
2235 | |
2131 | ev_start (EV_A_ (W)w, 1); |
2236 | ev_start (EV_A_ (W)w, 1); |
2132 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
2237 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
2133 | wlist_add (&anfds[fd].head, (WL)w); |
2238 | wlist_add (&anfds[fd].head, (WL)w); |
2134 | |
2239 | |
2135 | fd_change (EV_A_ fd, w->events & EV_IOFDSET | 1); |
2240 | fd_change (EV_A_ fd, w->events & EV__IOFDSET | 1); |
2136 | w->events &= ~EV_IOFDSET; |
2241 | w->events &= ~EV__IOFDSET; |
2137 | |
2242 | |
2138 | EV_FREQUENT_CHECK; |
2243 | EV_FREQUENT_CHECK; |
2139 | } |
2244 | } |
2140 | |
2245 | |
2141 | void noinline |
2246 | void noinline |
… | |
… | |
2143 | { |
2248 | { |
2144 | clear_pending (EV_A_ (W)w); |
2249 | clear_pending (EV_A_ (W)w); |
2145 | if (expect_false (!ev_is_active (w))) |
2250 | if (expect_false (!ev_is_active (w))) |
2146 | return; |
2251 | return; |
2147 | |
2252 | |
2148 | assert (("ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
2253 | assert (("libev: ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
2149 | |
2254 | |
2150 | EV_FREQUENT_CHECK; |
2255 | EV_FREQUENT_CHECK; |
2151 | |
2256 | |
2152 | wlist_del (&anfds[w->fd].head, (WL)w); |
2257 | wlist_del (&anfds[w->fd].head, (WL)w); |
2153 | ev_stop (EV_A_ (W)w); |
2258 | ev_stop (EV_A_ (W)w); |
… | |
… | |
2163 | if (expect_false (ev_is_active (w))) |
2268 | if (expect_false (ev_is_active (w))) |
2164 | return; |
2269 | return; |
2165 | |
2270 | |
2166 | ev_at (w) += mn_now; |
2271 | ev_at (w) += mn_now; |
2167 | |
2272 | |
2168 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
2273 | assert (("libev: ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
2169 | |
2274 | |
2170 | EV_FREQUENT_CHECK; |
2275 | EV_FREQUENT_CHECK; |
2171 | |
2276 | |
2172 | ++timercnt; |
2277 | ++timercnt; |
2173 | ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1); |
2278 | ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1); |
… | |
… | |
2176 | ANHE_at_cache (timers [ev_active (w)]); |
2281 | ANHE_at_cache (timers [ev_active (w)]); |
2177 | upheap (timers, ev_active (w)); |
2282 | upheap (timers, ev_active (w)); |
2178 | |
2283 | |
2179 | EV_FREQUENT_CHECK; |
2284 | EV_FREQUENT_CHECK; |
2180 | |
2285 | |
2181 | /*assert (("internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
2286 | /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
2182 | } |
2287 | } |
2183 | |
2288 | |
2184 | void noinline |
2289 | void noinline |
2185 | ev_timer_stop (EV_P_ ev_timer *w) |
2290 | ev_timer_stop (EV_P_ ev_timer *w) |
2186 | { |
2291 | { |
… | |
… | |
2191 | EV_FREQUENT_CHECK; |
2296 | EV_FREQUENT_CHECK; |
2192 | |
2297 | |
2193 | { |
2298 | { |
2194 | int active = ev_active (w); |
2299 | int active = ev_active (w); |
2195 | |
2300 | |
2196 | assert (("internal timer heap corruption", ANHE_w (timers [active]) == (WT)w)); |
2301 | assert (("libev: internal timer heap corruption", ANHE_w (timers [active]) == (WT)w)); |
2197 | |
2302 | |
2198 | --timercnt; |
2303 | --timercnt; |
2199 | |
2304 | |
2200 | if (expect_true (active < timercnt + HEAP0)) |
2305 | if (expect_true (active < timercnt + HEAP0)) |
2201 | { |
2306 | { |
… | |
… | |
2245 | |
2350 | |
2246 | if (w->reschedule_cb) |
2351 | if (w->reschedule_cb) |
2247 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
2352 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
2248 | else if (w->interval) |
2353 | else if (w->interval) |
2249 | { |
2354 | { |
2250 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
2355 | assert (("libev: ev_periodic_start called with negative interval value", w->interval >= 0.)); |
2251 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
2356 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
2252 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
2357 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
2253 | } |
2358 | } |
2254 | else |
2359 | else |
2255 | ev_at (w) = w->offset; |
2360 | ev_at (w) = w->offset; |
… | |
… | |
2263 | ANHE_at_cache (periodics [ev_active (w)]); |
2368 | ANHE_at_cache (periodics [ev_active (w)]); |
2264 | upheap (periodics, ev_active (w)); |
2369 | upheap (periodics, ev_active (w)); |
2265 | |
2370 | |
2266 | EV_FREQUENT_CHECK; |
2371 | EV_FREQUENT_CHECK; |
2267 | |
2372 | |
2268 | /*assert (("internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
2373 | /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
2269 | } |
2374 | } |
2270 | |
2375 | |
2271 | void noinline |
2376 | void noinline |
2272 | ev_periodic_stop (EV_P_ ev_periodic *w) |
2377 | ev_periodic_stop (EV_P_ ev_periodic *w) |
2273 | { |
2378 | { |
… | |
… | |
2278 | EV_FREQUENT_CHECK; |
2383 | EV_FREQUENT_CHECK; |
2279 | |
2384 | |
2280 | { |
2385 | { |
2281 | int active = ev_active (w); |
2386 | int active = ev_active (w); |
2282 | |
2387 | |
2283 | assert (("internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w)); |
2388 | assert (("libev: internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w)); |
2284 | |
2389 | |
2285 | --periodiccnt; |
2390 | --periodiccnt; |
2286 | |
2391 | |
2287 | if (expect_true (active < periodiccnt + HEAP0)) |
2392 | if (expect_true (active < periodiccnt + HEAP0)) |
2288 | { |
2393 | { |
… | |
… | |
2311 | |
2416 | |
2312 | void noinline |
2417 | void noinline |
2313 | ev_signal_start (EV_P_ ev_signal *w) |
2418 | ev_signal_start (EV_P_ ev_signal *w) |
2314 | { |
2419 | { |
2315 | #if EV_MULTIPLICITY |
2420 | #if EV_MULTIPLICITY |
2316 | assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
2421 | assert (("libev: signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
2317 | #endif |
2422 | #endif |
2318 | if (expect_false (ev_is_active (w))) |
2423 | if (expect_false (ev_is_active (w))) |
2319 | return; |
2424 | return; |
2320 | |
2425 | |
2321 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
2426 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0)); |
2322 | |
2427 | |
2323 | evpipe_init (EV_A); |
2428 | evpipe_init (EV_A); |
2324 | |
2429 | |
2325 | EV_FREQUENT_CHECK; |
2430 | EV_FREQUENT_CHECK; |
2326 | |
2431 | |
… | |
… | |
2377 | |
2482 | |
2378 | void |
2483 | void |
2379 | ev_child_start (EV_P_ ev_child *w) |
2484 | ev_child_start (EV_P_ ev_child *w) |
2380 | { |
2485 | { |
2381 | #if EV_MULTIPLICITY |
2486 | #if EV_MULTIPLICITY |
2382 | assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
2487 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
2383 | #endif |
2488 | #endif |
2384 | if (expect_false (ev_is_active (w))) |
2489 | if (expect_false (ev_is_active (w))) |
2385 | return; |
2490 | return; |
2386 | |
2491 | |
2387 | EV_FREQUENT_CHECK; |
2492 | EV_FREQUENT_CHECK; |
… | |
… | |
2412 | # ifdef _WIN32 |
2517 | # ifdef _WIN32 |
2413 | # undef lstat |
2518 | # undef lstat |
2414 | # define lstat(a,b) _stati64 (a,b) |
2519 | # define lstat(a,b) _stati64 (a,b) |
2415 | # endif |
2520 | # endif |
2416 | |
2521 | |
2417 | #define DEF_STAT_INTERVAL 5.0074891 |
2522 | #define DEF_STAT_INTERVAL 5.0074891 |
|
|
2523 | #define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */ |
2418 | #define MIN_STAT_INTERVAL 0.1074891 |
2524 | #define MIN_STAT_INTERVAL 0.1074891 |
2419 | |
2525 | |
2420 | static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
2526 | static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
2421 | |
2527 | |
2422 | #if EV_USE_INOTIFY |
2528 | #if EV_USE_INOTIFY |
2423 | # define EV_INOTIFY_BUFSIZE 8192 |
2529 | # define EV_INOTIFY_BUFSIZE 8192 |
… | |
… | |
2427 | { |
2533 | { |
2428 | w->wd = inotify_add_watch (fs_fd, w->path, IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY | IN_DONT_FOLLOW | IN_MASK_ADD); |
2534 | w->wd = inotify_add_watch (fs_fd, w->path, IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY | IN_DONT_FOLLOW | IN_MASK_ADD); |
2429 | |
2535 | |
2430 | if (w->wd < 0) |
2536 | if (w->wd < 0) |
2431 | { |
2537 | { |
|
|
2538 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
2432 | ev_timer_start (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */ |
2539 | ev_timer_again (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */ |
2433 | |
2540 | |
2434 | /* monitor some parent directory for speedup hints */ |
2541 | /* monitor some parent directory for speedup hints */ |
2435 | /* note that exceeding the hardcoded limit is not a correctness issue, */ |
2542 | /* note that exceeding the hardcoded path limit is not a correctness issue, */ |
2436 | /* but an efficiency issue only */ |
2543 | /* but an efficiency issue only */ |
2437 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
2544 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
2438 | { |
2545 | { |
2439 | char path [4096]; |
2546 | char path [4096]; |
2440 | strcpy (path, w->path); |
2547 | strcpy (path, w->path); |
… | |
… | |
2444 | int mask = IN_MASK_ADD | IN_DELETE_SELF | IN_MOVE_SELF |
2551 | int mask = IN_MASK_ADD | IN_DELETE_SELF | IN_MOVE_SELF |
2445 | | (errno == EACCES ? IN_ATTRIB : IN_CREATE | IN_MOVED_TO); |
2552 | | (errno == EACCES ? IN_ATTRIB : IN_CREATE | IN_MOVED_TO); |
2446 | |
2553 | |
2447 | char *pend = strrchr (path, '/'); |
2554 | char *pend = strrchr (path, '/'); |
2448 | |
2555 | |
2449 | if (!pend) |
2556 | if (!pend || pend == path) |
2450 | break; /* whoops, no '/', complain to your admin */ |
2557 | break; |
2451 | |
2558 | |
2452 | *pend = 0; |
2559 | *pend = 0; |
2453 | w->wd = inotify_add_watch (fs_fd, path, mask); |
2560 | w->wd = inotify_add_watch (fs_fd, path, mask); |
2454 | } |
2561 | } |
2455 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
2562 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
2456 | } |
2563 | } |
2457 | } |
2564 | } |
2458 | else |
|
|
2459 | ev_timer_stop (EV_A_ &w->timer); /* we can watch this in a race-free way */ |
|
|
2460 | |
2565 | |
2461 | if (w->wd >= 0) |
2566 | if (w->wd >= 0) |
|
|
2567 | { |
2462 | wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
2568 | wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
|
|
2569 | |
|
|
2570 | /* now local changes will be tracked by inotify, but remote changes won't */ |
|
|
2571 | /* unless the filesystem it known to be local, we therefore still poll */ |
|
|
2572 | /* also do poll on <2.6.25, but with normal frequency */ |
|
|
2573 | struct statfs sfs; |
|
|
2574 | |
|
|
2575 | if (fs_2625 && !statfs (w->path, &sfs)) |
|
|
2576 | if (sfs.f_type == 0x1373 /* devfs */ |
|
|
2577 | || sfs.f_type == 0xEF53 /* ext2/3 */ |
|
|
2578 | || sfs.f_type == 0x3153464a /* jfs */ |
|
|
2579 | || sfs.f_type == 0x52654973 /* reiser3 */ |
|
|
2580 | || sfs.f_type == 0x01021994 /* tempfs */ |
|
|
2581 | || sfs.f_type == 0x58465342 /* xfs */) |
|
|
2582 | return; |
|
|
2583 | |
|
|
2584 | w->timer.repeat = w->interval ? w->interval : fs_2625 ? NFS_STAT_INTERVAL : DEF_STAT_INTERVAL; |
|
|
2585 | ev_timer_again (EV_A_ &w->timer); |
|
|
2586 | } |
2463 | } |
2587 | } |
2464 | |
2588 | |
2465 | static void noinline |
2589 | static void noinline |
2466 | infy_del (EV_P_ ev_stat *w) |
2590 | infy_del (EV_P_ ev_stat *w) |
2467 | { |
2591 | { |
… | |
… | |
2497 | |
2621 | |
2498 | if (w->wd == wd || wd == -1) |
2622 | if (w->wd == wd || wd == -1) |
2499 | { |
2623 | { |
2500 | if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) |
2624 | if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) |
2501 | { |
2625 | { |
|
|
2626 | wlist_del (&fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
2502 | w->wd = -1; |
2627 | w->wd = -1; |
2503 | infy_add (EV_A_ w); /* re-add, no matter what */ |
2628 | infy_add (EV_A_ w); /* re-add, no matter what */ |
2504 | } |
2629 | } |
2505 | |
2630 | |
2506 | stat_timer_cb (EV_A_ &w->timer, 0); |
2631 | stat_timer_cb (EV_A_ &w->timer, 0); |
… | |
… | |
2519 | |
2644 | |
2520 | for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len) |
2645 | for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len) |
2521 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
2646 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
2522 | } |
2647 | } |
2523 | |
2648 | |
2524 | void inline_size |
2649 | inline_size void |
2525 | infy_init (EV_P) |
2650 | check_2625 (EV_P) |
2526 | { |
2651 | { |
2527 | if (fs_fd != -2) |
|
|
2528 | return; |
|
|
2529 | |
|
|
2530 | /* kernels < 2.6.25 are borked |
2652 | /* kernels < 2.6.25 are borked |
2531 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
2653 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
2532 | */ |
2654 | */ |
2533 | { |
|
|
2534 | struct utsname buf; |
2655 | struct utsname buf; |
2535 | int major, minor, micro; |
2656 | int major, minor, micro; |
2536 | |
2657 | |
2537 | fs_fd = -1; |
|
|
2538 | |
|
|
2539 | if (uname (&buf)) |
2658 | if (uname (&buf)) |
2540 | return; |
2659 | return; |
2541 | |
2660 | |
2542 | if (sscanf (buf.release, "%d.%d.%d", &major, &minor, µ) != 3) |
2661 | if (sscanf (buf.release, "%d.%d.%d", &major, &minor, µ) != 3) |
2543 | return; |
2662 | return; |
2544 | |
2663 | |
2545 | if (major < 2 |
2664 | if (major < 2 |
2546 | || (major == 2 && minor < 6) |
2665 | || (major == 2 && minor < 6) |
2547 | || (major == 2 && minor == 6 && micro < 25)) |
2666 | || (major == 2 && minor == 6 && micro < 25)) |
2548 | return; |
2667 | return; |
2549 | } |
2668 | |
|
|
2669 | fs_2625 = 1; |
|
|
2670 | } |
|
|
2671 | |
|
|
2672 | inline_size void |
|
|
2673 | infy_init (EV_P) |
|
|
2674 | { |
|
|
2675 | if (fs_fd != -2) |
|
|
2676 | return; |
|
|
2677 | |
|
|
2678 | fs_fd = -1; |
|
|
2679 | |
|
|
2680 | check_2625 (EV_A); |
2550 | |
2681 | |
2551 | fs_fd = inotify_init (); |
2682 | fs_fd = inotify_init (); |
2552 | |
2683 | |
2553 | if (fs_fd >= 0) |
2684 | if (fs_fd >= 0) |
2554 | { |
2685 | { |
… | |
… | |
2556 | ev_set_priority (&fs_w, EV_MAXPRI); |
2687 | ev_set_priority (&fs_w, EV_MAXPRI); |
2557 | ev_io_start (EV_A_ &fs_w); |
2688 | ev_io_start (EV_A_ &fs_w); |
2558 | } |
2689 | } |
2559 | } |
2690 | } |
2560 | |
2691 | |
2561 | void inline_size |
2692 | inline_size void |
2562 | infy_fork (EV_P) |
2693 | infy_fork (EV_P) |
2563 | { |
2694 | { |
2564 | int slot; |
2695 | int slot; |
2565 | |
2696 | |
2566 | if (fs_fd < 0) |
2697 | if (fs_fd < 0) |
… | |
… | |
2582 | w->wd = -1; |
2713 | w->wd = -1; |
2583 | |
2714 | |
2584 | if (fs_fd >= 0) |
2715 | if (fs_fd >= 0) |
2585 | infy_add (EV_A_ w); /* re-add, no matter what */ |
2716 | infy_add (EV_A_ w); /* re-add, no matter what */ |
2586 | else |
2717 | else |
2587 | ev_timer_start (EV_A_ &w->timer); |
2718 | ev_timer_again (EV_A_ &w->timer); |
2588 | } |
2719 | } |
2589 | } |
2720 | } |
2590 | } |
2721 | } |
2591 | |
2722 | |
2592 | #endif |
2723 | #endif |
… | |
… | |
2647 | ev_stat_start (EV_P_ ev_stat *w) |
2778 | ev_stat_start (EV_P_ ev_stat *w) |
2648 | { |
2779 | { |
2649 | if (expect_false (ev_is_active (w))) |
2780 | if (expect_false (ev_is_active (w))) |
2650 | return; |
2781 | return; |
2651 | |
2782 | |
2652 | /* since we use memcmp, we need to clear any padding data etc. */ |
|
|
2653 | memset (&w->prev, 0, sizeof (ev_statdata)); |
|
|
2654 | memset (&w->attr, 0, sizeof (ev_statdata)); |
|
|
2655 | |
|
|
2656 | ev_stat_stat (EV_A_ w); |
2783 | ev_stat_stat (EV_A_ w); |
2657 | |
2784 | |
|
|
2785 | if (w->interval < MIN_STAT_INTERVAL && w->interval) |
2658 | if (w->interval < MIN_STAT_INTERVAL) |
2786 | w->interval = MIN_STAT_INTERVAL; |
2659 | w->interval = w->interval ? MIN_STAT_INTERVAL : DEF_STAT_INTERVAL; |
|
|
2660 | |
2787 | |
2661 | ev_timer_init (&w->timer, stat_timer_cb, w->interval, w->interval); |
2788 | ev_timer_init (&w->timer, stat_timer_cb, 0., w->interval ? w->interval : DEF_STAT_INTERVAL); |
2662 | ev_set_priority (&w->timer, ev_priority (w)); |
2789 | ev_set_priority (&w->timer, ev_priority (w)); |
2663 | |
2790 | |
2664 | #if EV_USE_INOTIFY |
2791 | #if EV_USE_INOTIFY |
2665 | infy_init (EV_A); |
2792 | infy_init (EV_A); |
2666 | |
2793 | |
2667 | if (fs_fd >= 0) |
2794 | if (fs_fd >= 0) |
2668 | infy_add (EV_A_ w); |
2795 | infy_add (EV_A_ w); |
2669 | else |
2796 | else |
2670 | #endif |
2797 | #endif |
2671 | ev_timer_start (EV_A_ &w->timer); |
2798 | ev_timer_again (EV_A_ &w->timer); |
2672 | |
2799 | |
2673 | ev_start (EV_A_ (W)w, 1); |
2800 | ev_start (EV_A_ (W)w, 1); |
2674 | |
2801 | |
2675 | EV_FREQUENT_CHECK; |
2802 | EV_FREQUENT_CHECK; |
2676 | } |
2803 | } |
… | |
… | |
2851 | static void |
2978 | static void |
2852 | embed_fork_cb (EV_P_ ev_fork *fork_w, int revents) |
2979 | embed_fork_cb (EV_P_ ev_fork *fork_w, int revents) |
2853 | { |
2980 | { |
2854 | ev_embed *w = (ev_embed *)(((char *)fork_w) - offsetof (ev_embed, fork)); |
2981 | ev_embed *w = (ev_embed *)(((char *)fork_w) - offsetof (ev_embed, fork)); |
2855 | |
2982 | |
|
|
2983 | ev_embed_stop (EV_A_ w); |
|
|
2984 | |
2856 | { |
2985 | { |
2857 | struct ev_loop *loop = w->other; |
2986 | struct ev_loop *loop = w->other; |
2858 | |
2987 | |
2859 | ev_loop_fork (EV_A); |
2988 | ev_loop_fork (EV_A); |
|
|
2989 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
2860 | } |
2990 | } |
|
|
2991 | |
|
|
2992 | ev_embed_start (EV_A_ w); |
2861 | } |
2993 | } |
2862 | |
2994 | |
2863 | #if 0 |
2995 | #if 0 |
2864 | static void |
2996 | static void |
2865 | embed_idle_cb (EV_P_ ev_idle *idle, int revents) |
2997 | embed_idle_cb (EV_P_ ev_idle *idle, int revents) |
… | |
… | |
2874 | if (expect_false (ev_is_active (w))) |
3006 | if (expect_false (ev_is_active (w))) |
2875 | return; |
3007 | return; |
2876 | |
3008 | |
2877 | { |
3009 | { |
2878 | struct ev_loop *loop = w->other; |
3010 | struct ev_loop *loop = w->other; |
2879 | assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
3011 | assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
2880 | ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ); |
3012 | ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ); |
2881 | } |
3013 | } |
2882 | |
3014 | |
2883 | EV_FREQUENT_CHECK; |
3015 | EV_FREQUENT_CHECK; |
2884 | |
3016 | |
… | |
… | |
3067 | ev_timer_set (&once->to, timeout, 0.); |
3199 | ev_timer_set (&once->to, timeout, 0.); |
3068 | ev_timer_start (EV_A_ &once->to); |
3200 | ev_timer_start (EV_A_ &once->to); |
3069 | } |
3201 | } |
3070 | } |
3202 | } |
3071 | |
3203 | |
|
|
3204 | /*****************************************************************************/ |
|
|
3205 | |
|
|
3206 | #if 0 |
|
|
3207 | void |
|
|
3208 | ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) |
|
|
3209 | { |
|
|
3210 | int i, j; |
|
|
3211 | ev_watcher_list *wl, *wn; |
|
|
3212 | |
|
|
3213 | if (types & (EV_IO | EV_EMBED)) |
|
|
3214 | for (i = 0; i < anfdmax; ++i) |
|
|
3215 | for (wl = anfds [i].head; wl; ) |
|
|
3216 | { |
|
|
3217 | wn = wl->next; |
|
|
3218 | |
|
|
3219 | #if EV_EMBED_ENABLE |
|
|
3220 | if (ev_cb ((ev_io *)wl) == embed_io_cb) |
|
|
3221 | { |
|
|
3222 | if (types & EV_EMBED) |
|
|
3223 | cb (EV_A_ EV_EMBED, ((char *)wl) - offsetof (struct ev_embed, io)); |
|
|
3224 | } |
|
|
3225 | else |
|
|
3226 | #endif |
|
|
3227 | #if EV_USE_INOTIFY |
|
|
3228 | if (ev_cb ((ev_io *)wl) == infy_cb) |
|
|
3229 | ; |
|
|
3230 | else |
|
|
3231 | #endif |
|
|
3232 | if ((ev_io *)wl != &pipeev) |
|
|
3233 | if (types & EV_IO) |
|
|
3234 | cb (EV_A_ EV_IO, wl); |
|
|
3235 | |
|
|
3236 | wl = wn; |
|
|
3237 | } |
|
|
3238 | |
|
|
3239 | if (types & (EV_TIMER | EV_STAT)) |
|
|
3240 | for (i = timercnt + HEAP0; i-- > HEAP0; ) |
|
|
3241 | #if EV_STAT_ENABLE |
|
|
3242 | /*TODO: timer is not always active*/ |
|
|
3243 | if (ev_cb ((ev_timer *)ANHE_w (timers [i])) == stat_timer_cb) |
|
|
3244 | { |
|
|
3245 | if (types & EV_STAT) |
|
|
3246 | cb (EV_A_ EV_STAT, ((char *)ANHE_w (timers [i])) - offsetof (struct ev_stat, timer)); |
|
|
3247 | } |
|
|
3248 | else |
|
|
3249 | #endif |
|
|
3250 | if (types & EV_TIMER) |
|
|
3251 | cb (EV_A_ EV_TIMER, ANHE_w (timers [i])); |
|
|
3252 | |
|
|
3253 | #if EV_PERIODIC_ENABLE |
|
|
3254 | if (types & EV_PERIODIC) |
|
|
3255 | for (i = periodiccnt + HEAP0; i-- > HEAP0; ) |
|
|
3256 | cb (EV_A_ EV_PERIODIC, ANHE_w (periodics [i])); |
|
|
3257 | #endif |
|
|
3258 | |
|
|
3259 | #if EV_IDLE_ENABLE |
|
|
3260 | if (types & EV_IDLE) |
|
|
3261 | for (j = NUMPRI; i--; ) |
|
|
3262 | for (i = idlecnt [j]; i--; ) |
|
|
3263 | cb (EV_A_ EV_IDLE, idles [j][i]); |
|
|
3264 | #endif |
|
|
3265 | |
|
|
3266 | #if EV_FORK_ENABLE |
|
|
3267 | if (types & EV_FORK) |
|
|
3268 | for (i = forkcnt; i--; ) |
|
|
3269 | if (ev_cb (forks [i]) != embed_fork_cb) |
|
|
3270 | cb (EV_A_ EV_FORK, forks [i]); |
|
|
3271 | #endif |
|
|
3272 | |
|
|
3273 | #if EV_ASYNC_ENABLE |
|
|
3274 | if (types & EV_ASYNC) |
|
|
3275 | for (i = asynccnt; i--; ) |
|
|
3276 | cb (EV_A_ EV_ASYNC, asyncs [i]); |
|
|
3277 | #endif |
|
|
3278 | |
|
|
3279 | if (types & EV_PREPARE) |
|
|
3280 | for (i = preparecnt; i--; ) |
|
|
3281 | #if EV_EMBED_ENABLE |
|
|
3282 | if (ev_cb (prepares [i]) != embed_prepare_cb) |
|
|
3283 | #endif |
|
|
3284 | cb (EV_A_ EV_PREPARE, prepares [i]); |
|
|
3285 | |
|
|
3286 | if (types & EV_CHECK) |
|
|
3287 | for (i = checkcnt; i--; ) |
|
|
3288 | cb (EV_A_ EV_CHECK, checks [i]); |
|
|
3289 | |
|
|
3290 | if (types & EV_SIGNAL) |
|
|
3291 | for (i = 0; i < signalmax; ++i) |
|
|
3292 | for (wl = signals [i].head; wl; ) |
|
|
3293 | { |
|
|
3294 | wn = wl->next; |
|
|
3295 | cb (EV_A_ EV_SIGNAL, wl); |
|
|
3296 | wl = wn; |
|
|
3297 | } |
|
|
3298 | |
|
|
3299 | if (types & EV_CHILD) |
|
|
3300 | for (i = EV_PID_HASHSIZE; i--; ) |
|
|
3301 | for (wl = childs [i]; wl; ) |
|
|
3302 | { |
|
|
3303 | wn = wl->next; |
|
|
3304 | cb (EV_A_ EV_CHILD, wl); |
|
|
3305 | wl = wn; |
|
|
3306 | } |
|
|
3307 | /* EV_STAT 0x00001000 /* stat data changed */ |
|
|
3308 | /* EV_EMBED 0x00010000 /* embedded event loop needs sweep */ |
|
|
3309 | } |
|
|
3310 | #endif |
|
|
3311 | |
3072 | #if EV_MULTIPLICITY |
3312 | #if EV_MULTIPLICITY |
3073 | #include "ev_wrap.h" |
3313 | #include "ev_wrap.h" |
3074 | #endif |
3314 | #endif |
3075 | |
3315 | |
3076 | #ifdef __cplusplus |
3316 | #ifdef __cplusplus |