… | |
… | |
57 | # endif |
57 | # endif |
58 | # ifndef EV_USE_MONOTONIC |
58 | # ifndef EV_USE_MONOTONIC |
59 | # define EV_USE_MONOTONIC 1 |
59 | # define EV_USE_MONOTONIC 1 |
60 | # endif |
60 | # endif |
61 | # endif |
61 | # endif |
|
|
62 | # elif !defined(EV_USE_CLOCK_SYSCALL) |
|
|
63 | # define EV_USE_CLOCK_SYSCALL 0 |
62 | # endif |
64 | # endif |
63 | |
65 | |
64 | # if HAVE_CLOCK_GETTIME |
66 | # if HAVE_CLOCK_GETTIME |
65 | # ifndef EV_USE_MONOTONIC |
67 | # ifndef EV_USE_MONOTONIC |
66 | # define EV_USE_MONOTONIC 1 |
68 | # define EV_USE_MONOTONIC 1 |
… | |
… | |
324 | |
326 | |
325 | /* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */ |
327 | /* 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. */ |
328 | /* which makes programs even slower. might work on other unices, too. */ |
327 | #if EV_USE_CLOCK_SYSCALL |
329 | #if EV_USE_CLOCK_SYSCALL |
328 | # include <syscall.h> |
330 | # include <syscall.h> |
|
|
331 | # ifdef SYS_clock_gettime |
329 | # define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) |
332 | # define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) |
330 | # undef EV_USE_MONOTONIC |
333 | # undef EV_USE_MONOTONIC |
331 | # define EV_USE_MONOTONIC 1 |
334 | # define EV_USE_MONOTONIC 1 |
|
|
335 | # else |
|
|
336 | # undef EV_USE_CLOCK_SYSCALL |
|
|
337 | # define EV_USE_CLOCK_SYSCALL 0 |
|
|
338 | # endif |
332 | #endif |
339 | #endif |
333 | |
340 | |
334 | #if EV_USE_EVENTFD |
341 | #if EV_USE_EVENTFD |
335 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
342 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
336 | # include <stdint.h> |
343 | # include <stdint.h> |
… | |
… | |
478 | #define ev_malloc(size) ev_realloc (0, (size)) |
485 | #define ev_malloc(size) ev_realloc (0, (size)) |
479 | #define ev_free(ptr) ev_realloc ((ptr), 0) |
486 | #define ev_free(ptr) ev_realloc ((ptr), 0) |
480 | |
487 | |
481 | /*****************************************************************************/ |
488 | /*****************************************************************************/ |
482 | |
489 | |
|
|
490 | /* file descriptor info structure */ |
483 | typedef struct |
491 | typedef struct |
484 | { |
492 | { |
485 | WL head; |
493 | WL head; |
486 | unsigned char events; |
494 | unsigned char events; /* the events watched for */ |
487 | unsigned char reify; |
495 | unsigned char reify; /* flag set when this ANFD needs reification */ |
488 | unsigned char emask; /* the epoll backend stores the actual kernel mask in here */ |
496 | unsigned char emask; /* the epoll backend stores the actual kernel mask in here */ |
489 | unsigned char unused; |
497 | unsigned char unused; |
490 | #if EV_USE_EPOLL |
498 | #if EV_USE_EPOLL |
491 | unsigned int egen; /* generation counter to counter epoll bugs */ |
499 | unsigned int egen; /* generation counter to counter epoll bugs */ |
492 | #endif |
500 | #endif |
493 | #if EV_SELECT_IS_WINSOCKET |
501 | #if EV_SELECT_IS_WINSOCKET |
494 | SOCKET handle; |
502 | SOCKET handle; |
495 | #endif |
503 | #endif |
496 | } ANFD; |
504 | } ANFD; |
497 | |
505 | |
|
|
506 | /* stores the pending event set for a given watcher */ |
498 | typedef struct |
507 | typedef struct |
499 | { |
508 | { |
500 | W w; |
509 | W w; |
501 | int events; |
510 | int events; /* the pending event set for the given watcher */ |
502 | } ANPENDING; |
511 | } ANPENDING; |
503 | |
512 | |
504 | #if EV_USE_INOTIFY |
513 | #if EV_USE_INOTIFY |
505 | /* hash table entry per inotify-id */ |
514 | /* hash table entry per inotify-id */ |
506 | typedef struct |
515 | typedef struct |
… | |
… | |
509 | } ANFS; |
518 | } ANFS; |
510 | #endif |
519 | #endif |
511 | |
520 | |
512 | /* Heap Entry */ |
521 | /* Heap Entry */ |
513 | #if EV_HEAP_CACHE_AT |
522 | #if EV_HEAP_CACHE_AT |
|
|
523 | /* a heap element */ |
514 | typedef struct { |
524 | typedef struct { |
515 | ev_tstamp at; |
525 | ev_tstamp at; |
516 | WT w; |
526 | WT w; |
517 | } ANHE; |
527 | } ANHE; |
518 | |
528 | |
519 | #define ANHE_w(he) (he).w /* access watcher, read-write */ |
529 | #define ANHE_w(he) (he).w /* access watcher, read-write */ |
520 | #define ANHE_at(he) (he).at /* access cached at, read-only */ |
530 | #define ANHE_at(he) (he).at /* access cached at, read-only */ |
521 | #define ANHE_at_cache(he) (he).at = (he).w->at /* update at from watcher */ |
531 | #define ANHE_at_cache(he) (he).at = (he).w->at /* update at from watcher */ |
522 | #else |
532 | #else |
|
|
533 | /* a heap element */ |
523 | typedef WT ANHE; |
534 | typedef WT ANHE; |
524 | |
535 | |
525 | #define ANHE_w(he) (he) |
536 | #define ANHE_w(he) (he) |
526 | #define ANHE_at(he) (he)->at |
537 | #define ANHE_at(he) (he)->at |
527 | #define ANHE_at_cache(he) |
538 | #define ANHE_at_cache(he) |
… | |
… | |
570 | struct timeval tv; |
581 | struct timeval tv; |
571 | gettimeofday (&tv, 0); |
582 | gettimeofday (&tv, 0); |
572 | return tv.tv_sec + tv.tv_usec * 1e-6; |
583 | return tv.tv_sec + tv.tv_usec * 1e-6; |
573 | } |
584 | } |
574 | |
585 | |
575 | ev_tstamp inline_size |
586 | inline_size ev_tstamp |
576 | get_clock (void) |
587 | get_clock (void) |
577 | { |
588 | { |
578 | #if EV_USE_MONOTONIC |
589 | #if EV_USE_MONOTONIC |
579 | if (expect_true (have_monotonic)) |
590 | if (expect_true (have_monotonic)) |
580 | { |
591 | { |
… | |
… | |
625 | |
636 | |
626 | /*****************************************************************************/ |
637 | /*****************************************************************************/ |
627 | |
638 | |
628 | #define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */ |
639 | #define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */ |
629 | |
640 | |
630 | int inline_size |
641 | /* find a suitable new size for the given array, */ |
|
|
642 | /* hopefully by rounding to a ncie-to-malloc size */ |
|
|
643 | inline_size int |
631 | array_nextsize (int elem, int cur, int cnt) |
644 | array_nextsize (int elem, int cur, int cnt) |
632 | { |
645 | { |
633 | int ncur = cur + 1; |
646 | int ncur = cur + 1; |
634 | |
647 | |
635 | do |
648 | do |
… | |
… | |
680 | #define array_free(stem, idx) \ |
693 | #define array_free(stem, idx) \ |
681 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0 |
694 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0 |
682 | |
695 | |
683 | /*****************************************************************************/ |
696 | /*****************************************************************************/ |
684 | |
697 | |
|
|
698 | /* dummy callback for pending events */ |
|
|
699 | static void noinline |
|
|
700 | pendingcb (EV_P_ ev_prepare *w, int revents) |
|
|
701 | { |
|
|
702 | } |
|
|
703 | |
685 | void noinline |
704 | void noinline |
686 | ev_feed_event (EV_P_ void *w, int revents) |
705 | ev_feed_event (EV_P_ void *w, int revents) |
687 | { |
706 | { |
688 | W w_ = (W)w; |
707 | W w_ = (W)w; |
689 | int pri = ABSPRI (w_); |
708 | int pri = ABSPRI (w_); |
… | |
… | |
697 | pendings [pri][w_->pending - 1].w = w_; |
716 | pendings [pri][w_->pending - 1].w = w_; |
698 | pendings [pri][w_->pending - 1].events = revents; |
717 | pendings [pri][w_->pending - 1].events = revents; |
699 | } |
718 | } |
700 | } |
719 | } |
701 | |
720 | |
702 | void inline_speed |
721 | inline_speed void |
|
|
722 | feed_reverse (EV_P_ W w) |
|
|
723 | { |
|
|
724 | array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, EMPTY2); |
|
|
725 | rfeeds [rfeedcnt++] = w; |
|
|
726 | } |
|
|
727 | |
|
|
728 | inline_size void |
|
|
729 | feed_reverse_done (EV_P_ int revents) |
|
|
730 | { |
|
|
731 | do |
|
|
732 | ev_feed_event (EV_A_ rfeeds [--rfeedcnt], revents); |
|
|
733 | while (rfeedcnt); |
|
|
734 | } |
|
|
735 | |
|
|
736 | inline_speed void |
703 | queue_events (EV_P_ W *events, int eventcnt, int type) |
737 | queue_events (EV_P_ W *events, int eventcnt, int type) |
704 | { |
738 | { |
705 | int i; |
739 | int i; |
706 | |
740 | |
707 | for (i = 0; i < eventcnt; ++i) |
741 | for (i = 0; i < eventcnt; ++i) |
708 | ev_feed_event (EV_A_ events [i], type); |
742 | ev_feed_event (EV_A_ events [i], type); |
709 | } |
743 | } |
710 | |
744 | |
711 | /*****************************************************************************/ |
745 | /*****************************************************************************/ |
712 | |
746 | |
713 | void inline_speed |
747 | inline_speed void |
714 | fd_event (EV_P_ int fd, int revents) |
748 | fd_event (EV_P_ int fd, int revents) |
715 | { |
749 | { |
716 | ANFD *anfd = anfds + fd; |
750 | ANFD *anfd = anfds + fd; |
717 | ev_io *w; |
751 | ev_io *w; |
718 | |
752 | |
… | |
… | |
730 | { |
764 | { |
731 | if (fd >= 0 && fd < anfdmax) |
765 | if (fd >= 0 && fd < anfdmax) |
732 | fd_event (EV_A_ fd, revents); |
766 | fd_event (EV_A_ fd, revents); |
733 | } |
767 | } |
734 | |
768 | |
735 | void inline_size |
769 | /* make sure the external fd watch events are in-sync */ |
|
|
770 | /* with the kernel/libev internal state */ |
|
|
771 | inline_size void |
736 | fd_reify (EV_P) |
772 | fd_reify (EV_P) |
737 | { |
773 | { |
738 | int i; |
774 | int i; |
739 | |
775 | |
740 | for (i = 0; i < fdchangecnt; ++i) |
776 | for (i = 0; i < fdchangecnt; ++i) |
… | |
… | |
774 | } |
810 | } |
775 | |
811 | |
776 | fdchangecnt = 0; |
812 | fdchangecnt = 0; |
777 | } |
813 | } |
778 | |
814 | |
779 | void inline_size |
815 | /* something about the given fd changed */ |
|
|
816 | inline_size void |
780 | fd_change (EV_P_ int fd, int flags) |
817 | fd_change (EV_P_ int fd, int flags) |
781 | { |
818 | { |
782 | unsigned char reify = anfds [fd].reify; |
819 | unsigned char reify = anfds [fd].reify; |
783 | anfds [fd].reify |= flags; |
820 | anfds [fd].reify |= flags; |
784 | |
821 | |
… | |
… | |
788 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
825 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
789 | fdchanges [fdchangecnt - 1] = fd; |
826 | fdchanges [fdchangecnt - 1] = fd; |
790 | } |
827 | } |
791 | } |
828 | } |
792 | |
829 | |
793 | void inline_speed |
830 | /* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */ |
|
|
831 | inline_speed void |
794 | fd_kill (EV_P_ int fd) |
832 | fd_kill (EV_P_ int fd) |
795 | { |
833 | { |
796 | ev_io *w; |
834 | ev_io *w; |
797 | |
835 | |
798 | while ((w = (ev_io *)anfds [fd].head)) |
836 | while ((w = (ev_io *)anfds [fd].head)) |
… | |
… | |
800 | ev_io_stop (EV_A_ w); |
838 | ev_io_stop (EV_A_ w); |
801 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
839 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
802 | } |
840 | } |
803 | } |
841 | } |
804 | |
842 | |
805 | int inline_size |
843 | /* check whether the given fd is atcually valid, for error recovery */ |
|
|
844 | inline_size int |
806 | fd_valid (int fd) |
845 | fd_valid (int fd) |
807 | { |
846 | { |
808 | #ifdef _WIN32 |
847 | #ifdef _WIN32 |
809 | return _get_osfhandle (fd) != -1; |
848 | return _get_osfhandle (fd) != -1; |
810 | #else |
849 | #else |
… | |
… | |
873 | #define HEAP0 (DHEAP - 1) /* index of first element in heap */ |
912 | #define HEAP0 (DHEAP - 1) /* index of first element in heap */ |
874 | #define HPARENT(k) ((((k) - HEAP0 - 1) / DHEAP) + HEAP0) |
913 | #define HPARENT(k) ((((k) - HEAP0 - 1) / DHEAP) + HEAP0) |
875 | #define UPHEAP_DONE(p,k) ((p) == (k)) |
914 | #define UPHEAP_DONE(p,k) ((p) == (k)) |
876 | |
915 | |
877 | /* away from the root */ |
916 | /* away from the root */ |
878 | void inline_speed |
917 | inline_speed void |
879 | downheap (ANHE *heap, int N, int k) |
918 | downheap (ANHE *heap, int N, int k) |
880 | { |
919 | { |
881 | ANHE he = heap [k]; |
920 | ANHE he = heap [k]; |
882 | ANHE *E = heap + N + HEAP0; |
921 | ANHE *E = heap + N + HEAP0; |
883 | |
922 | |
… | |
… | |
923 | #define HEAP0 1 |
962 | #define HEAP0 1 |
924 | #define HPARENT(k) ((k) >> 1) |
963 | #define HPARENT(k) ((k) >> 1) |
925 | #define UPHEAP_DONE(p,k) (!(p)) |
964 | #define UPHEAP_DONE(p,k) (!(p)) |
926 | |
965 | |
927 | /* away from the root */ |
966 | /* away from the root */ |
928 | void inline_speed |
967 | inline_speed void |
929 | downheap (ANHE *heap, int N, int k) |
968 | downheap (ANHE *heap, int N, int k) |
930 | { |
969 | { |
931 | ANHE he = heap [k]; |
970 | ANHE he = heap [k]; |
932 | |
971 | |
933 | for (;;) |
972 | for (;;) |
… | |
… | |
953 | ev_active (ANHE_w (he)) = k; |
992 | ev_active (ANHE_w (he)) = k; |
954 | } |
993 | } |
955 | #endif |
994 | #endif |
956 | |
995 | |
957 | /* towards the root */ |
996 | /* towards the root */ |
958 | void inline_speed |
997 | inline_speed void |
959 | upheap (ANHE *heap, int k) |
998 | upheap (ANHE *heap, int k) |
960 | { |
999 | { |
961 | ANHE he = heap [k]; |
1000 | ANHE he = heap [k]; |
962 | |
1001 | |
963 | for (;;) |
1002 | for (;;) |
… | |
… | |
974 | |
1013 | |
975 | heap [k] = he; |
1014 | heap [k] = he; |
976 | ev_active (ANHE_w (he)) = k; |
1015 | ev_active (ANHE_w (he)) = k; |
977 | } |
1016 | } |
978 | |
1017 | |
979 | void inline_size |
1018 | /* move an element suitably so it is in a correct place */ |
|
|
1019 | inline_size void |
980 | adjustheap (ANHE *heap, int N, int k) |
1020 | adjustheap (ANHE *heap, int N, int k) |
981 | { |
1021 | { |
982 | if (k > HEAP0 && ANHE_at (heap [HPARENT (k)]) >= ANHE_at (heap [k])) |
1022 | if (k > HEAP0 && ANHE_at (heap [HPARENT (k)]) >= ANHE_at (heap [k])) |
983 | upheap (heap, k); |
1023 | upheap (heap, k); |
984 | else |
1024 | else |
985 | downheap (heap, N, k); |
1025 | downheap (heap, N, k); |
986 | } |
1026 | } |
987 | |
1027 | |
988 | /* rebuild the heap: this function is used only once and executed rarely */ |
1028 | /* rebuild the heap: this function is used only once and executed rarely */ |
989 | void inline_size |
1029 | inline_size void |
990 | reheap (ANHE *heap, int N) |
1030 | reheap (ANHE *heap, int N) |
991 | { |
1031 | { |
992 | int i; |
1032 | int i; |
993 | |
1033 | |
994 | /* we don't use floyds algorithm, upheap is simpler and is more cache-efficient */ |
1034 | /* we don't use floyds algorithm, upheap is simpler and is more cache-efficient */ |
… | |
… | |
997 | upheap (heap, i + HEAP0); |
1037 | upheap (heap, i + HEAP0); |
998 | } |
1038 | } |
999 | |
1039 | |
1000 | /*****************************************************************************/ |
1040 | /*****************************************************************************/ |
1001 | |
1041 | |
|
|
1042 | /* associate signal watchers to a signal signal */ |
1002 | typedef struct |
1043 | typedef struct |
1003 | { |
1044 | { |
1004 | WL head; |
1045 | WL head; |
1005 | EV_ATOMIC_T gotsig; |
1046 | EV_ATOMIC_T gotsig; |
1006 | } ANSIG; |
1047 | } ANSIG; |
… | |
… | |
1010 | |
1051 | |
1011 | static EV_ATOMIC_T gotsig; |
1052 | static EV_ATOMIC_T gotsig; |
1012 | |
1053 | |
1013 | /*****************************************************************************/ |
1054 | /*****************************************************************************/ |
1014 | |
1055 | |
1015 | void inline_speed |
1056 | /* used to prepare libev internal fd's */ |
|
|
1057 | /* this is not fork-safe */ |
|
|
1058 | inline_speed void |
1016 | fd_intern (int fd) |
1059 | fd_intern (int fd) |
1017 | { |
1060 | { |
1018 | #ifdef _WIN32 |
1061 | #ifdef _WIN32 |
1019 | unsigned long arg = 1; |
1062 | unsigned long arg = 1; |
1020 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
1063 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
… | |
… | |
1025 | } |
1068 | } |
1026 | |
1069 | |
1027 | static void noinline |
1070 | static void noinline |
1028 | evpipe_init (EV_P) |
1071 | evpipe_init (EV_P) |
1029 | { |
1072 | { |
1030 | if (!ev_is_active (&pipeev)) |
1073 | if (!ev_is_active (&pipe_w)) |
1031 | { |
1074 | { |
1032 | #if EV_USE_EVENTFD |
1075 | #if EV_USE_EVENTFD |
1033 | if ((evfd = eventfd (0, 0)) >= 0) |
1076 | if ((evfd = eventfd (0, 0)) >= 0) |
1034 | { |
1077 | { |
1035 | evpipe [0] = -1; |
1078 | evpipe [0] = -1; |
1036 | fd_intern (evfd); |
1079 | fd_intern (evfd); |
1037 | ev_io_set (&pipeev, evfd, EV_READ); |
1080 | ev_io_set (&pipe_w, evfd, EV_READ); |
1038 | } |
1081 | } |
1039 | else |
1082 | else |
1040 | #endif |
1083 | #endif |
1041 | { |
1084 | { |
1042 | while (pipe (evpipe)) |
1085 | while (pipe (evpipe)) |
1043 | ev_syserr ("(libev) error creating signal/async pipe"); |
1086 | ev_syserr ("(libev) error creating signal/async pipe"); |
1044 | |
1087 | |
1045 | fd_intern (evpipe [0]); |
1088 | fd_intern (evpipe [0]); |
1046 | fd_intern (evpipe [1]); |
1089 | fd_intern (evpipe [1]); |
1047 | ev_io_set (&pipeev, evpipe [0], EV_READ); |
1090 | ev_io_set (&pipe_w, evpipe [0], EV_READ); |
1048 | } |
1091 | } |
1049 | |
1092 | |
1050 | ev_io_start (EV_A_ &pipeev); |
1093 | ev_io_start (EV_A_ &pipe_w); |
1051 | ev_unref (EV_A); /* watcher should not keep loop alive */ |
1094 | ev_unref (EV_A); /* watcher should not keep loop alive */ |
1052 | } |
1095 | } |
1053 | } |
1096 | } |
1054 | |
1097 | |
1055 | void inline_size |
1098 | inline_size void |
1056 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
1099 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
1057 | { |
1100 | { |
1058 | if (!*flag) |
1101 | if (!*flag) |
1059 | { |
1102 | { |
1060 | int old_errno = errno; /* save errno because write might clobber it */ |
1103 | int old_errno = errno; /* save errno because write might clobber it */ |
… | |
… | |
1073 | |
1116 | |
1074 | errno = old_errno; |
1117 | errno = old_errno; |
1075 | } |
1118 | } |
1076 | } |
1119 | } |
1077 | |
1120 | |
|
|
1121 | /* called whenever the libev signal pipe */ |
|
|
1122 | /* got some events (signal, async) */ |
1078 | static void |
1123 | static void |
1079 | pipecb (EV_P_ ev_io *iow, int revents) |
1124 | pipecb (EV_P_ ev_io *iow, int revents) |
1080 | { |
1125 | { |
1081 | #if EV_USE_EVENTFD |
1126 | #if EV_USE_EVENTFD |
1082 | if (evfd >= 0) |
1127 | if (evfd >= 0) |
… | |
… | |
1164 | |
1209 | |
1165 | #ifndef WIFCONTINUED |
1210 | #ifndef WIFCONTINUED |
1166 | # define WIFCONTINUED(status) 0 |
1211 | # define WIFCONTINUED(status) 0 |
1167 | #endif |
1212 | #endif |
1168 | |
1213 | |
1169 | void inline_speed |
1214 | /* handle a single child status event */ |
|
|
1215 | inline_speed void |
1170 | child_reap (EV_P_ int chain, int pid, int status) |
1216 | child_reap (EV_P_ int chain, int pid, int status) |
1171 | { |
1217 | { |
1172 | ev_child *w; |
1218 | ev_child *w; |
1173 | int traced = WIFSTOPPED (status) || WIFCONTINUED (status); |
1219 | int traced = WIFSTOPPED (status) || WIFCONTINUED (status); |
1174 | |
1220 | |
… | |
… | |
1187 | |
1233 | |
1188 | #ifndef WCONTINUED |
1234 | #ifndef WCONTINUED |
1189 | # define WCONTINUED 0 |
1235 | # define WCONTINUED 0 |
1190 | #endif |
1236 | #endif |
1191 | |
1237 | |
|
|
1238 | /* called on sigchld etc., calls waitpid */ |
1192 | static void |
1239 | static void |
1193 | childcb (EV_P_ ev_signal *sw, int revents) |
1240 | childcb (EV_P_ ev_signal *sw, int revents) |
1194 | { |
1241 | { |
1195 | int pid, status; |
1242 | int pid, status; |
1196 | |
1243 | |
… | |
… | |
1321 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) |
1368 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) |
1322 | { |
1369 | { |
1323 | timeout_blocktime = interval; |
1370 | timeout_blocktime = interval; |
1324 | } |
1371 | } |
1325 | |
1372 | |
|
|
1373 | /* initialise a loop structure, must be zero-initialised */ |
1326 | static void noinline |
1374 | static void noinline |
1327 | loop_init (EV_P_ unsigned int flags) |
1375 | loop_init (EV_P_ unsigned int flags) |
1328 | { |
1376 | { |
1329 | if (!backend) |
1377 | if (!backend) |
1330 | { |
1378 | { |
… | |
… | |
1390 | #endif |
1438 | #endif |
1391 | #if EV_USE_SELECT |
1439 | #if EV_USE_SELECT |
1392 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
1440 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
1393 | #endif |
1441 | #endif |
1394 | |
1442 | |
|
|
1443 | ev_prepare_init (&pending_w, pendingcb); |
|
|
1444 | |
1395 | ev_init (&pipeev, pipecb); |
1445 | ev_init (&pipe_w, pipecb); |
1396 | ev_set_priority (&pipeev, EV_MAXPRI); |
1446 | ev_set_priority (&pipe_w, EV_MAXPRI); |
1397 | } |
1447 | } |
1398 | } |
1448 | } |
1399 | |
1449 | |
|
|
1450 | /* free up a loop structure */ |
1400 | static void noinline |
1451 | static void noinline |
1401 | loop_destroy (EV_P) |
1452 | loop_destroy (EV_P) |
1402 | { |
1453 | { |
1403 | int i; |
1454 | int i; |
1404 | |
1455 | |
1405 | if (ev_is_active (&pipeev)) |
1456 | if (ev_is_active (&pipe_w)) |
1406 | { |
1457 | { |
1407 | ev_ref (EV_A); /* signal watcher */ |
1458 | ev_ref (EV_A); /* signal watcher */ |
1408 | ev_io_stop (EV_A_ &pipeev); |
1459 | ev_io_stop (EV_A_ &pipe_w); |
1409 | |
1460 | |
1410 | #if EV_USE_EVENTFD |
1461 | #if EV_USE_EVENTFD |
1411 | if (evfd >= 0) |
1462 | if (evfd >= 0) |
1412 | close (evfd); |
1463 | close (evfd); |
1413 | #endif |
1464 | #endif |
… | |
… | |
1452 | } |
1503 | } |
1453 | |
1504 | |
1454 | ev_free (anfds); anfdmax = 0; |
1505 | ev_free (anfds); anfdmax = 0; |
1455 | |
1506 | |
1456 | /* have to use the microsoft-never-gets-it-right macro */ |
1507 | /* have to use the microsoft-never-gets-it-right macro */ |
|
|
1508 | array_free (rfeed, EMPTY); |
1457 | array_free (fdchange, EMPTY); |
1509 | array_free (fdchange, EMPTY); |
1458 | array_free (timer, EMPTY); |
1510 | array_free (timer, EMPTY); |
1459 | #if EV_PERIODIC_ENABLE |
1511 | #if EV_PERIODIC_ENABLE |
1460 | array_free (periodic, EMPTY); |
1512 | array_free (periodic, EMPTY); |
1461 | #endif |
1513 | #endif |
… | |
… | |
1470 | |
1522 | |
1471 | backend = 0; |
1523 | backend = 0; |
1472 | } |
1524 | } |
1473 | |
1525 | |
1474 | #if EV_USE_INOTIFY |
1526 | #if EV_USE_INOTIFY |
1475 | void inline_size infy_fork (EV_P); |
1527 | inline_size void infy_fork (EV_P); |
1476 | #endif |
1528 | #endif |
1477 | |
1529 | |
1478 | void inline_size |
1530 | inline_size void |
1479 | loop_fork (EV_P) |
1531 | loop_fork (EV_P) |
1480 | { |
1532 | { |
1481 | #if EV_USE_PORT |
1533 | #if EV_USE_PORT |
1482 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
1534 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
1483 | #endif |
1535 | #endif |
… | |
… | |
1489 | #endif |
1541 | #endif |
1490 | #if EV_USE_INOTIFY |
1542 | #if EV_USE_INOTIFY |
1491 | infy_fork (EV_A); |
1543 | infy_fork (EV_A); |
1492 | #endif |
1544 | #endif |
1493 | |
1545 | |
1494 | if (ev_is_active (&pipeev)) |
1546 | if (ev_is_active (&pipe_w)) |
1495 | { |
1547 | { |
1496 | /* this "locks" the handlers against writing to the pipe */ |
1548 | /* this "locks" the handlers against writing to the pipe */ |
1497 | /* while we modify the fd vars */ |
1549 | /* while we modify the fd vars */ |
1498 | gotsig = 1; |
1550 | gotsig = 1; |
1499 | #if EV_ASYNC_ENABLE |
1551 | #if EV_ASYNC_ENABLE |
1500 | gotasync = 1; |
1552 | gotasync = 1; |
1501 | #endif |
1553 | #endif |
1502 | |
1554 | |
1503 | ev_ref (EV_A); |
1555 | ev_ref (EV_A); |
1504 | ev_io_stop (EV_A_ &pipeev); |
1556 | ev_io_stop (EV_A_ &pipe_w); |
1505 | |
1557 | |
1506 | #if EV_USE_EVENTFD |
1558 | #if EV_USE_EVENTFD |
1507 | if (evfd >= 0) |
1559 | if (evfd >= 0) |
1508 | close (evfd); |
1560 | close (evfd); |
1509 | #endif |
1561 | #endif |
… | |
… | |
1514 | close (evpipe [1]); |
1566 | close (evpipe [1]); |
1515 | } |
1567 | } |
1516 | |
1568 | |
1517 | evpipe_init (EV_A); |
1569 | evpipe_init (EV_A); |
1518 | /* now iterate over everything, in case we missed something */ |
1570 | /* now iterate over everything, in case we missed something */ |
1519 | pipecb (EV_A_ &pipeev, EV_READ); |
1571 | pipecb (EV_A_ &pipe_w, EV_READ); |
1520 | } |
1572 | } |
1521 | |
1573 | |
1522 | postfork = 0; |
1574 | postfork = 0; |
1523 | } |
1575 | } |
1524 | |
1576 | |
… | |
… | |
1720 | ev_invoke (EV_P_ void *w, int revents) |
1772 | ev_invoke (EV_P_ void *w, int revents) |
1721 | { |
1773 | { |
1722 | EV_CB_INVOKE ((W)w, revents); |
1774 | EV_CB_INVOKE ((W)w, revents); |
1723 | } |
1775 | } |
1724 | |
1776 | |
1725 | void inline_speed |
1777 | inline_speed void |
1726 | call_pending (EV_P) |
1778 | call_pending (EV_P) |
1727 | { |
1779 | { |
1728 | int pri; |
1780 | int pri; |
1729 | |
1781 | |
1730 | for (pri = NUMPRI; pri--; ) |
1782 | for (pri = NUMPRI; pri--; ) |
1731 | while (pendingcnt [pri]) |
1783 | while (pendingcnt [pri]) |
1732 | { |
1784 | { |
1733 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
1785 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
1734 | |
1786 | |
1735 | if (expect_true (p->w)) |
|
|
1736 | { |
|
|
1737 | /*assert (("libev: non-pending watcher on pending list", p->w->pending));*/ |
1787 | /*assert (("libev: non-pending watcher on pending list", p->w->pending));*/ |
|
|
1788 | /* ^ this is no longer true, as pending_w could be here */ |
1738 | |
1789 | |
1739 | p->w->pending = 0; |
1790 | p->w->pending = 0; |
1740 | EV_CB_INVOKE (p->w, p->events); |
1791 | EV_CB_INVOKE (p->w, p->events); |
1741 | EV_FREQUENT_CHECK; |
1792 | EV_FREQUENT_CHECK; |
1742 | } |
|
|
1743 | } |
1793 | } |
1744 | } |
1794 | } |
1745 | |
1795 | |
1746 | #if EV_IDLE_ENABLE |
1796 | #if EV_IDLE_ENABLE |
1747 | void inline_size |
1797 | /* make idle watchers pending. this handles the "call-idle */ |
|
|
1798 | /* only when higher priorities are idle" logic */ |
|
|
1799 | inline_size void |
1748 | idle_reify (EV_P) |
1800 | idle_reify (EV_P) |
1749 | { |
1801 | { |
1750 | if (expect_false (idleall)) |
1802 | if (expect_false (idleall)) |
1751 | { |
1803 | { |
1752 | int pri; |
1804 | int pri; |
… | |
… | |
1764 | } |
1816 | } |
1765 | } |
1817 | } |
1766 | } |
1818 | } |
1767 | #endif |
1819 | #endif |
1768 | |
1820 | |
1769 | void inline_size |
1821 | /* make timers pending */ |
|
|
1822 | inline_size void |
1770 | timers_reify (EV_P) |
1823 | timers_reify (EV_P) |
1771 | { |
1824 | { |
1772 | EV_FREQUENT_CHECK; |
1825 | EV_FREQUENT_CHECK; |
1773 | |
1826 | |
1774 | while (timercnt && ANHE_at (timers [HEAP0]) < mn_now) |
1827 | if (timercnt && ANHE_at (timers [HEAP0]) < mn_now) |
1775 | { |
1828 | { |
1776 | ev_timer *w = (ev_timer *)ANHE_w (timers [HEAP0]); |
1829 | do |
1777 | |
|
|
1778 | /*assert (("libev: inactive timer on timer heap detected", ev_is_active (w)));*/ |
|
|
1779 | |
|
|
1780 | /* first reschedule or stop timer */ |
|
|
1781 | if (w->repeat) |
|
|
1782 | { |
1830 | { |
|
|
1831 | ev_timer *w = (ev_timer *)ANHE_w (timers [HEAP0]); |
|
|
1832 | |
|
|
1833 | /*assert (("libev: inactive timer on timer heap detected", ev_is_active (w)));*/ |
|
|
1834 | |
|
|
1835 | /* first reschedule or stop timer */ |
|
|
1836 | if (w->repeat) |
|
|
1837 | { |
1783 | ev_at (w) += w->repeat; |
1838 | ev_at (w) += w->repeat; |
1784 | if (ev_at (w) < mn_now) |
1839 | if (ev_at (w) < mn_now) |
1785 | ev_at (w) = mn_now; |
1840 | ev_at (w) = mn_now; |
1786 | |
1841 | |
1787 | assert (("libev: negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
1842 | assert (("libev: negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
1788 | |
1843 | |
1789 | ANHE_at_cache (timers [HEAP0]); |
1844 | ANHE_at_cache (timers [HEAP0]); |
1790 | downheap (timers, timercnt, HEAP0); |
1845 | downheap (timers, timercnt, HEAP0); |
|
|
1846 | } |
|
|
1847 | else |
|
|
1848 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1849 | |
|
|
1850 | EV_FREQUENT_CHECK; |
|
|
1851 | feed_reverse (EV_A_ (W)w); |
1791 | } |
1852 | } |
1792 | else |
1853 | while (timercnt && ANHE_at (timers [HEAP0]) < mn_now); |
1793 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1794 | |
1854 | |
1795 | EV_FREQUENT_CHECK; |
|
|
1796 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
1855 | feed_reverse_done (EV_A_ EV_TIMEOUT); |
1797 | } |
1856 | } |
1798 | } |
1857 | } |
1799 | |
1858 | |
1800 | #if EV_PERIODIC_ENABLE |
1859 | #if EV_PERIODIC_ENABLE |
1801 | void inline_size |
1860 | /* make periodics pending */ |
|
|
1861 | inline_size void |
1802 | periodics_reify (EV_P) |
1862 | periodics_reify (EV_P) |
1803 | { |
1863 | { |
1804 | EV_FREQUENT_CHECK; |
1864 | EV_FREQUENT_CHECK; |
1805 | |
1865 | |
1806 | while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now) |
1866 | while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now) |
1807 | { |
1867 | { |
1808 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]); |
1868 | int feed_count = 0; |
1809 | |
1869 | |
1810 | /*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/ |
1870 | do |
1811 | |
|
|
1812 | /* first reschedule or stop timer */ |
|
|
1813 | if (w->reschedule_cb) |
|
|
1814 | { |
1871 | { |
|
|
1872 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]); |
|
|
1873 | |
|
|
1874 | /*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/ |
|
|
1875 | |
|
|
1876 | /* first reschedule or stop timer */ |
|
|
1877 | if (w->reschedule_cb) |
|
|
1878 | { |
1815 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
1879 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
1816 | |
1880 | |
1817 | assert (("libev: ev_periodic reschedule callback returned time in the past", ev_at (w) >= ev_rt_now)); |
1881 | assert (("libev: ev_periodic reschedule callback returned time in the past", ev_at (w) >= ev_rt_now)); |
1818 | |
1882 | |
1819 | ANHE_at_cache (periodics [HEAP0]); |
1883 | ANHE_at_cache (periodics [HEAP0]); |
1820 | downheap (periodics, periodiccnt, HEAP0); |
1884 | downheap (periodics, periodiccnt, HEAP0); |
|
|
1885 | } |
|
|
1886 | else if (w->interval) |
|
|
1887 | { |
|
|
1888 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1889 | /* if next trigger time is not sufficiently in the future, put it there */ |
|
|
1890 | /* this might happen because of floating point inexactness */ |
|
|
1891 | if (ev_at (w) - ev_rt_now < TIME_EPSILON) |
|
|
1892 | { |
|
|
1893 | ev_at (w) += w->interval; |
|
|
1894 | |
|
|
1895 | /* if interval is unreasonably low we might still have a time in the past */ |
|
|
1896 | /* so correct this. this will make the periodic very inexact, but the user */ |
|
|
1897 | /* has effectively asked to get triggered more often than possible */ |
|
|
1898 | if (ev_at (w) < ev_rt_now) |
|
|
1899 | ev_at (w) = ev_rt_now; |
|
|
1900 | } |
|
|
1901 | |
|
|
1902 | ANHE_at_cache (periodics [HEAP0]); |
|
|
1903 | downheap (periodics, periodiccnt, HEAP0); |
|
|
1904 | } |
|
|
1905 | else |
|
|
1906 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1907 | |
|
|
1908 | EV_FREQUENT_CHECK; |
|
|
1909 | feed_reverse (EV_A_ (W)w); |
1821 | } |
1910 | } |
1822 | else if (w->interval) |
1911 | while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now); |
1823 | { |
|
|
1824 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1825 | /* if next trigger time is not sufficiently in the future, put it there */ |
|
|
1826 | /* this might happen because of floating point inexactness */ |
|
|
1827 | if (ev_at (w) - ev_rt_now < TIME_EPSILON) |
|
|
1828 | { |
|
|
1829 | ev_at (w) += w->interval; |
|
|
1830 | |
1912 | |
1831 | /* if interval is unreasonably low we might still have a time in the past */ |
|
|
1832 | /* so correct this. this will make the periodic very inexact, but the user */ |
|
|
1833 | /* has effectively asked to get triggered more often than possible */ |
|
|
1834 | if (ev_at (w) < ev_rt_now) |
|
|
1835 | ev_at (w) = ev_rt_now; |
|
|
1836 | } |
|
|
1837 | |
|
|
1838 | ANHE_at_cache (periodics [HEAP0]); |
|
|
1839 | downheap (periodics, periodiccnt, HEAP0); |
|
|
1840 | } |
|
|
1841 | else |
|
|
1842 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1843 | |
|
|
1844 | EV_FREQUENT_CHECK; |
|
|
1845 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
1913 | feed_reverse_done (EV_A_ EV_PERIODIC); |
1846 | } |
1914 | } |
1847 | } |
1915 | } |
1848 | |
1916 | |
|
|
1917 | /* simply recalculate all periodics */ |
|
|
1918 | /* TODO: maybe ensure that at leats one event happens when jumping forward? */ |
1849 | static void noinline |
1919 | static void noinline |
1850 | periodics_reschedule (EV_P) |
1920 | periodics_reschedule (EV_P) |
1851 | { |
1921 | { |
1852 | int i; |
1922 | int i; |
1853 | |
1923 | |
… | |
… | |
1866 | |
1936 | |
1867 | reheap (periodics, periodiccnt); |
1937 | reheap (periodics, periodiccnt); |
1868 | } |
1938 | } |
1869 | #endif |
1939 | #endif |
1870 | |
1940 | |
1871 | void inline_speed |
1941 | /* adjust all timers by a given offset */ |
|
|
1942 | static void noinline |
|
|
1943 | timers_reschedule (EV_P_ ev_tstamp adjust) |
|
|
1944 | { |
|
|
1945 | int i; |
|
|
1946 | |
|
|
1947 | for (i = 0; i < timercnt; ++i) |
|
|
1948 | { |
|
|
1949 | ANHE *he = timers + i + HEAP0; |
|
|
1950 | ANHE_w (*he)->at += adjust; |
|
|
1951 | ANHE_at_cache (*he); |
|
|
1952 | } |
|
|
1953 | } |
|
|
1954 | |
|
|
1955 | /* fetch new monotonic and realtime times from the kernel */ |
|
|
1956 | /* also detetc if there was a timejump, and act accordingly */ |
|
|
1957 | inline_speed void |
1872 | time_update (EV_P_ ev_tstamp max_block) |
1958 | time_update (EV_P_ ev_tstamp max_block) |
1873 | { |
1959 | { |
1874 | int i; |
|
|
1875 | |
|
|
1876 | #if EV_USE_MONOTONIC |
1960 | #if EV_USE_MONOTONIC |
1877 | if (expect_true (have_monotonic)) |
1961 | if (expect_true (have_monotonic)) |
1878 | { |
1962 | { |
|
|
1963 | int i; |
1879 | ev_tstamp odiff = rtmn_diff; |
1964 | ev_tstamp odiff = rtmn_diff; |
1880 | |
1965 | |
1881 | mn_now = get_clock (); |
1966 | mn_now = get_clock (); |
1882 | |
1967 | |
1883 | /* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */ |
1968 | /* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */ |
… | |
… | |
1909 | ev_rt_now = ev_time (); |
1994 | ev_rt_now = ev_time (); |
1910 | mn_now = get_clock (); |
1995 | mn_now = get_clock (); |
1911 | now_floor = mn_now; |
1996 | now_floor = mn_now; |
1912 | } |
1997 | } |
1913 | |
1998 | |
|
|
1999 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
|
|
2000 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
1914 | # if EV_PERIODIC_ENABLE |
2001 | # if EV_PERIODIC_ENABLE |
1915 | periodics_reschedule (EV_A); |
2002 | periodics_reschedule (EV_A); |
1916 | # endif |
2003 | # endif |
1917 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
|
|
1918 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
|
|
1919 | } |
2004 | } |
1920 | else |
2005 | else |
1921 | #endif |
2006 | #endif |
1922 | { |
2007 | { |
1923 | ev_rt_now = ev_time (); |
2008 | ev_rt_now = ev_time (); |
1924 | |
2009 | |
1925 | if (expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP)) |
2010 | if (expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP)) |
1926 | { |
2011 | { |
|
|
2012 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
|
|
2013 | timers_reschedule (EV_A_ ev_rt_now - mn_now); |
1927 | #if EV_PERIODIC_ENABLE |
2014 | #if EV_PERIODIC_ENABLE |
1928 | periodics_reschedule (EV_A); |
2015 | periodics_reschedule (EV_A); |
1929 | #endif |
2016 | #endif |
1930 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
|
|
1931 | for (i = 0; i < timercnt; ++i) |
|
|
1932 | { |
|
|
1933 | ANHE *he = timers + i + HEAP0; |
|
|
1934 | ANHE_w (*he)->at += ev_rt_now - mn_now; |
|
|
1935 | ANHE_at_cache (*he); |
|
|
1936 | } |
|
|
1937 | } |
2017 | } |
1938 | |
2018 | |
1939 | mn_now = ev_rt_now; |
2019 | mn_now = ev_rt_now; |
1940 | } |
2020 | } |
1941 | } |
|
|
1942 | |
|
|
1943 | void |
|
|
1944 | ev_ref (EV_P) |
|
|
1945 | { |
|
|
1946 | ++activecnt; |
|
|
1947 | } |
|
|
1948 | |
|
|
1949 | void |
|
|
1950 | ev_unref (EV_P) |
|
|
1951 | { |
|
|
1952 | --activecnt; |
|
|
1953 | } |
|
|
1954 | |
|
|
1955 | void |
|
|
1956 | ev_now_update (EV_P) |
|
|
1957 | { |
|
|
1958 | time_update (EV_A_ 1e100); |
|
|
1959 | } |
2021 | } |
1960 | |
2022 | |
1961 | static int loop_done; |
2023 | static int loop_done; |
1962 | |
2024 | |
1963 | void |
2025 | void |
… | |
… | |
2085 | ev_unloop (EV_P_ int how) |
2147 | ev_unloop (EV_P_ int how) |
2086 | { |
2148 | { |
2087 | loop_done = how; |
2149 | loop_done = how; |
2088 | } |
2150 | } |
2089 | |
2151 | |
|
|
2152 | void |
|
|
2153 | ev_ref (EV_P) |
|
|
2154 | { |
|
|
2155 | ++activecnt; |
|
|
2156 | } |
|
|
2157 | |
|
|
2158 | void |
|
|
2159 | ev_unref (EV_P) |
|
|
2160 | { |
|
|
2161 | --activecnt; |
|
|
2162 | } |
|
|
2163 | |
|
|
2164 | void |
|
|
2165 | ev_now_update (EV_P) |
|
|
2166 | { |
|
|
2167 | time_update (EV_A_ 1e100); |
|
|
2168 | } |
|
|
2169 | |
|
|
2170 | void |
|
|
2171 | ev_suspend (EV_P) |
|
|
2172 | { |
|
|
2173 | ev_now_update (EV_A); |
|
|
2174 | } |
|
|
2175 | |
|
|
2176 | void |
|
|
2177 | ev_resume (EV_P) |
|
|
2178 | { |
|
|
2179 | ev_tstamp mn_prev = mn_now; |
|
|
2180 | |
|
|
2181 | ev_now_update (EV_A); |
|
|
2182 | timers_reschedule (EV_A_ mn_now - mn_prev); |
|
|
2183 | #if EV_PERIODIC_ENABLE |
|
|
2184 | /* TODO: really do this? */ |
|
|
2185 | periodics_reschedule (EV_A); |
|
|
2186 | #endif |
|
|
2187 | } |
|
|
2188 | |
2090 | /*****************************************************************************/ |
2189 | /*****************************************************************************/ |
|
|
2190 | /* singly-linked list management, used when the expected list length is short */ |
2091 | |
2191 | |
2092 | void inline_size |
2192 | inline_size void |
2093 | wlist_add (WL *head, WL elem) |
2193 | wlist_add (WL *head, WL elem) |
2094 | { |
2194 | { |
2095 | elem->next = *head; |
2195 | elem->next = *head; |
2096 | *head = elem; |
2196 | *head = elem; |
2097 | } |
2197 | } |
2098 | |
2198 | |
2099 | void inline_size |
2199 | inline_size void |
2100 | wlist_del (WL *head, WL elem) |
2200 | wlist_del (WL *head, WL elem) |
2101 | { |
2201 | { |
2102 | while (*head) |
2202 | while (*head) |
2103 | { |
2203 | { |
2104 | if (*head == elem) |
2204 | if (*head == elem) |
… | |
… | |
2109 | |
2209 | |
2110 | head = &(*head)->next; |
2210 | head = &(*head)->next; |
2111 | } |
2211 | } |
2112 | } |
2212 | } |
2113 | |
2213 | |
2114 | void inline_speed |
2214 | /* internal, faster, version of ev_clear_pending */ |
|
|
2215 | inline_speed void |
2115 | clear_pending (EV_P_ W w) |
2216 | clear_pending (EV_P_ W w) |
2116 | { |
2217 | { |
2117 | if (w->pending) |
2218 | if (w->pending) |
2118 | { |
2219 | { |
2119 | pendings [ABSPRI (w)][w->pending - 1].w = 0; |
2220 | pendings [ABSPRI (w)][w->pending - 1].w = (W)&pending_w; |
2120 | w->pending = 0; |
2221 | w->pending = 0; |
2121 | } |
2222 | } |
2122 | } |
2223 | } |
2123 | |
2224 | |
2124 | int |
2225 | int |
… | |
… | |
2128 | int pending = w_->pending; |
2229 | int pending = w_->pending; |
2129 | |
2230 | |
2130 | if (expect_true (pending)) |
2231 | if (expect_true (pending)) |
2131 | { |
2232 | { |
2132 | ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1; |
2233 | ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1; |
|
|
2234 | p->w = (W)&pending_w; |
2133 | w_->pending = 0; |
2235 | w_->pending = 0; |
2134 | p->w = 0; |
|
|
2135 | return p->events; |
2236 | return p->events; |
2136 | } |
2237 | } |
2137 | else |
2238 | else |
2138 | return 0; |
2239 | return 0; |
2139 | } |
2240 | } |
2140 | |
2241 | |
2141 | void inline_size |
2242 | inline_size void |
2142 | pri_adjust (EV_P_ W w) |
2243 | pri_adjust (EV_P_ W w) |
2143 | { |
2244 | { |
2144 | int pri = w->priority; |
2245 | int pri = w->priority; |
2145 | pri = pri < EV_MINPRI ? EV_MINPRI : pri; |
2246 | pri = pri < EV_MINPRI ? EV_MINPRI : pri; |
2146 | pri = pri > EV_MAXPRI ? EV_MAXPRI : pri; |
2247 | pri = pri > EV_MAXPRI ? EV_MAXPRI : pri; |
2147 | w->priority = pri; |
2248 | w->priority = pri; |
2148 | } |
2249 | } |
2149 | |
2250 | |
2150 | void inline_speed |
2251 | inline_speed void |
2151 | ev_start (EV_P_ W w, int active) |
2252 | ev_start (EV_P_ W w, int active) |
2152 | { |
2253 | { |
2153 | pri_adjust (EV_A_ w); |
2254 | pri_adjust (EV_A_ w); |
2154 | w->active = active; |
2255 | w->active = active; |
2155 | ev_ref (EV_A); |
2256 | ev_ref (EV_A); |
2156 | } |
2257 | } |
2157 | |
2258 | |
2158 | void inline_size |
2259 | inline_size void |
2159 | ev_stop (EV_P_ W w) |
2260 | ev_stop (EV_P_ W w) |
2160 | { |
2261 | { |
2161 | ev_unref (EV_A); |
2262 | ev_unref (EV_A); |
2162 | w->active = 0; |
2263 | w->active = 0; |
2163 | } |
2264 | } |
… | |
… | |
2588 | |
2689 | |
2589 | for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len) |
2690 | for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len) |
2590 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
2691 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
2591 | } |
2692 | } |
2592 | |
2693 | |
2593 | void inline_size |
2694 | inline_size void |
2594 | check_2625 (EV_P) |
2695 | check_2625 (EV_P) |
2595 | { |
2696 | { |
2596 | /* kernels < 2.6.25 are borked |
2697 | /* kernels < 2.6.25 are borked |
2597 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
2698 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
2598 | */ |
2699 | */ |
… | |
… | |
2611 | return; |
2712 | return; |
2612 | |
2713 | |
2613 | fs_2625 = 1; |
2714 | fs_2625 = 1; |
2614 | } |
2715 | } |
2615 | |
2716 | |
2616 | void inline_size |
2717 | inline_size void |
2617 | infy_init (EV_P) |
2718 | infy_init (EV_P) |
2618 | { |
2719 | { |
2619 | if (fs_fd != -2) |
2720 | if (fs_fd != -2) |
2620 | return; |
2721 | return; |
2621 | |
2722 | |
… | |
… | |
2631 | ev_set_priority (&fs_w, EV_MAXPRI); |
2732 | ev_set_priority (&fs_w, EV_MAXPRI); |
2632 | ev_io_start (EV_A_ &fs_w); |
2733 | ev_io_start (EV_A_ &fs_w); |
2633 | } |
2734 | } |
2634 | } |
2735 | } |
2635 | |
2736 | |
2636 | void inline_size |
2737 | inline_size void |
2637 | infy_fork (EV_P) |
2738 | infy_fork (EV_P) |
2638 | { |
2739 | { |
2639 | int slot; |
2740 | int slot; |
2640 | |
2741 | |
2641 | if (fs_fd < 0) |
2742 | if (fs_fd < 0) |
… | |
… | |
3145 | } |
3246 | } |
3146 | } |
3247 | } |
3147 | |
3248 | |
3148 | /*****************************************************************************/ |
3249 | /*****************************************************************************/ |
3149 | |
3250 | |
3150 | #if 0 |
3251 | #if EV_WALK_ENABLE |
3151 | void |
3252 | void |
3152 | ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) |
3253 | ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) |
3153 | { |
3254 | { |
3154 | int i, j; |
3255 | int i, j; |
3155 | ev_watcher_list *wl, *wn; |
3256 | ev_watcher_list *wl, *wn; |
… | |
… | |
3171 | #if EV_USE_INOTIFY |
3272 | #if EV_USE_INOTIFY |
3172 | if (ev_cb ((ev_io *)wl) == infy_cb) |
3273 | if (ev_cb ((ev_io *)wl) == infy_cb) |
3173 | ; |
3274 | ; |
3174 | else |
3275 | else |
3175 | #endif |
3276 | #endif |
3176 | if ((ev_io *)wl != &pipeev) |
3277 | if ((ev_io *)wl != &pipe_w) |
3177 | if (types & EV_IO) |
3278 | if (types & EV_IO) |
3178 | cb (EV_A_ EV_IO, wl); |
3279 | cb (EV_A_ EV_IO, wl); |
3179 | |
3280 | |
3180 | wl = wn; |
3281 | wl = wn; |
3181 | } |
3282 | } |