… | |
… | |
32 | #ifdef __cplusplus |
32 | #ifdef __cplusplus |
33 | extern "C" { |
33 | extern "C" { |
34 | #endif |
34 | #endif |
35 | |
35 | |
36 | #ifndef EV_STANDALONE |
36 | #ifndef EV_STANDALONE |
|
|
37 | # ifdef EV_CONFIG_H |
|
|
38 | # include EV_CONFIG_H |
|
|
39 | # else |
37 | # include "config.h" |
40 | # include "config.h" |
|
|
41 | # endif |
38 | |
42 | |
39 | # if HAVE_CLOCK_GETTIME |
43 | # if HAVE_CLOCK_GETTIME |
40 | # ifndef EV_USE_MONOTONIC |
44 | # ifndef EV_USE_MONOTONIC |
41 | # define EV_USE_MONOTONIC 1 |
45 | # define EV_USE_MONOTONIC 1 |
42 | # endif |
46 | # endif |
… | |
… | |
198 | #define ABSPRI(w) ((w)->priority - EV_MINPRI) |
202 | #define ABSPRI(w) ((w)->priority - EV_MINPRI) |
199 | |
203 | |
200 | #define EMPTY0 /* required for microsofts broken pseudo-c compiler */ |
204 | #define EMPTY0 /* required for microsofts broken pseudo-c compiler */ |
201 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
205 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
202 | |
206 | |
203 | typedef struct ev_watcher *W; |
207 | typedef ev_watcher *W; |
204 | typedef struct ev_watcher_list *WL; |
208 | typedef ev_watcher_list *WL; |
205 | typedef struct ev_watcher_time *WT; |
209 | typedef ev_watcher_time *WT; |
206 | |
210 | |
207 | static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
211 | static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
208 | |
212 | |
209 | #ifdef _WIN32 |
213 | #ifdef _WIN32 |
210 | # include "ev_win32.c" |
214 | # include "ev_win32.c" |
… | |
… | |
412 | |
416 | |
413 | inline void |
417 | inline void |
414 | fd_event (EV_P_ int fd, int revents) |
418 | fd_event (EV_P_ int fd, int revents) |
415 | { |
419 | { |
416 | ANFD *anfd = anfds + fd; |
420 | ANFD *anfd = anfds + fd; |
417 | struct ev_io *w; |
421 | ev_io *w; |
418 | |
422 | |
419 | for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next) |
423 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
420 | { |
424 | { |
421 | int ev = w->events & revents; |
425 | int ev = w->events & revents; |
422 | |
426 | |
423 | if (ev) |
427 | if (ev) |
424 | ev_feed_event (EV_A_ (W)w, ev); |
428 | ev_feed_event (EV_A_ (W)w, ev); |
… | |
… | |
440 | |
444 | |
441 | for (i = 0; i < fdchangecnt; ++i) |
445 | for (i = 0; i < fdchangecnt; ++i) |
442 | { |
446 | { |
443 | int fd = fdchanges [i]; |
447 | int fd = fdchanges [i]; |
444 | ANFD *anfd = anfds + fd; |
448 | ANFD *anfd = anfds + fd; |
445 | struct ev_io *w; |
449 | ev_io *w; |
446 | |
450 | |
447 | int events = 0; |
451 | int events = 0; |
448 | |
452 | |
449 | for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next) |
453 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
450 | events |= w->events; |
454 | events |= w->events; |
451 | |
455 | |
452 | #if EV_SELECT_IS_WINSOCKET |
456 | #if EV_SELECT_IS_WINSOCKET |
453 | if (events) |
457 | if (events) |
454 | { |
458 | { |
… | |
… | |
458 | } |
462 | } |
459 | #endif |
463 | #endif |
460 | |
464 | |
461 | anfd->reify = 0; |
465 | anfd->reify = 0; |
462 | |
466 | |
463 | method_modify (EV_A_ fd, anfd->events, events); |
467 | backend_modify (EV_A_ fd, anfd->events, events); |
464 | anfd->events = events; |
468 | anfd->events = events; |
465 | } |
469 | } |
466 | |
470 | |
467 | fdchangecnt = 0; |
471 | fdchangecnt = 0; |
468 | } |
472 | } |
… | |
… | |
481 | } |
485 | } |
482 | |
486 | |
483 | static void |
487 | static void |
484 | fd_kill (EV_P_ int fd) |
488 | fd_kill (EV_P_ int fd) |
485 | { |
489 | { |
486 | struct ev_io *w; |
490 | ev_io *w; |
487 | |
491 | |
488 | while ((w = (struct ev_io *)anfds [fd].head)) |
492 | while ((w = (ev_io *)anfds [fd].head)) |
489 | { |
493 | { |
490 | ev_io_stop (EV_A_ w); |
494 | ev_io_stop (EV_A_ w); |
491 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
495 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
492 | } |
496 | } |
493 | } |
497 | } |
… | |
… | |
526 | fd_kill (EV_A_ fd); |
530 | fd_kill (EV_A_ fd); |
527 | return; |
531 | return; |
528 | } |
532 | } |
529 | } |
533 | } |
530 | |
534 | |
531 | /* usually called after fork if method needs to re-arm all fds from scratch */ |
535 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
532 | static void |
536 | static void |
533 | fd_rearm_all (EV_P) |
537 | fd_rearm_all (EV_P) |
534 | { |
538 | { |
535 | int fd; |
539 | int fd; |
536 | |
540 | |
… | |
… | |
604 | static ANSIG *signals; |
608 | static ANSIG *signals; |
605 | static int signalmax; |
609 | static int signalmax; |
606 | |
610 | |
607 | static int sigpipe [2]; |
611 | static int sigpipe [2]; |
608 | static sig_atomic_t volatile gotsig; |
612 | static sig_atomic_t volatile gotsig; |
609 | static struct ev_io sigev; |
613 | static ev_io sigev; |
610 | |
614 | |
611 | static void |
615 | static void |
612 | signals_init (ANSIG *base, int count) |
616 | signals_init (ANSIG *base, int count) |
613 | { |
617 | { |
614 | while (count--) |
618 | while (count--) |
… | |
… | |
657 | for (w = signals [signum].head; w; w = w->next) |
661 | for (w = signals [signum].head; w; w = w->next) |
658 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
662 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
659 | } |
663 | } |
660 | |
664 | |
661 | static void |
665 | static void |
662 | sigcb (EV_P_ struct ev_io *iow, int revents) |
666 | sigcb (EV_P_ ev_io *iow, int revents) |
663 | { |
667 | { |
664 | int signum; |
668 | int signum; |
665 | |
669 | |
666 | read (sigpipe [0], &revents, 1); |
670 | read (sigpipe [0], &revents, 1); |
667 | gotsig = 0; |
671 | gotsig = 0; |
… | |
… | |
694 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
698 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
695 | } |
699 | } |
696 | |
700 | |
697 | /*****************************************************************************/ |
701 | /*****************************************************************************/ |
698 | |
702 | |
699 | static struct ev_child *childs [PID_HASHSIZE]; |
703 | static ev_child *childs [PID_HASHSIZE]; |
700 | |
704 | |
701 | #ifndef _WIN32 |
705 | #ifndef _WIN32 |
702 | |
706 | |
703 | static struct ev_signal childev; |
707 | static ev_signal childev; |
704 | |
708 | |
705 | #ifndef WCONTINUED |
709 | #ifndef WCONTINUED |
706 | # define WCONTINUED 0 |
710 | # define WCONTINUED 0 |
707 | #endif |
711 | #endif |
708 | |
712 | |
709 | static void |
713 | static void |
710 | child_reap (EV_P_ struct ev_signal *sw, int chain, int pid, int status) |
714 | child_reap (EV_P_ ev_signal *sw, int chain, int pid, int status) |
711 | { |
715 | { |
712 | struct ev_child *w; |
716 | ev_child *w; |
713 | |
717 | |
714 | for (w = (struct ev_child *)childs [chain & (PID_HASHSIZE - 1)]; w; w = (struct ev_child *)((WL)w)->next) |
718 | for (w = (ev_child *)childs [chain & (PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
715 | if (w->pid == pid || !w->pid) |
719 | if (w->pid == pid || !w->pid) |
716 | { |
720 | { |
717 | ev_priority (w) = ev_priority (sw); /* need to do it *now* */ |
721 | ev_priority (w) = ev_priority (sw); /* need to do it *now* */ |
718 | w->rpid = pid; |
722 | w->rpid = pid; |
719 | w->rstatus = status; |
723 | w->rstatus = status; |
720 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
724 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
721 | } |
725 | } |
722 | } |
726 | } |
723 | |
727 | |
724 | static void |
728 | static void |
725 | childcb (EV_P_ struct ev_signal *sw, int revents) |
729 | childcb (EV_P_ ev_signal *sw, int revents) |
726 | { |
730 | { |
727 | int pid, status; |
731 | int pid, status; |
728 | |
732 | |
729 | if (0 < (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED))) |
733 | if (0 < (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED))) |
730 | { |
734 | { |
731 | /* make sure we are called again until all childs have been reaped */ |
735 | /* make sure we are called again until all childs have been reaped */ |
|
|
736 | /* we need to do it this way so that the callback gets called before we continue */ |
732 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
737 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
733 | |
738 | |
734 | child_reap (EV_A_ sw, pid, pid, status); |
739 | child_reap (EV_A_ sw, pid, pid, status); |
735 | child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but event catches that */ |
740 | child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
736 | } |
741 | } |
737 | } |
742 | } |
738 | |
743 | |
739 | #endif |
744 | #endif |
740 | |
745 | |
… | |
… | |
781 | } |
786 | } |
782 | |
787 | |
783 | unsigned int |
788 | unsigned int |
784 | ev_supported_backends (void) |
789 | ev_supported_backends (void) |
785 | { |
790 | { |
786 | } |
|
|
787 | |
|
|
788 | unsigned int |
|
|
789 | ev_recommended_backends (void) |
|
|
790 | { |
|
|
791 | unsigned int flags; |
791 | unsigned int flags = 0; |
792 | |
792 | |
793 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
793 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
794 | if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; |
794 | if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; |
795 | if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL; |
795 | if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL; |
796 | if (EV_USE_POLL ) flags |= EVBACKEND_POLL; |
796 | if (EV_USE_POLL ) flags |= EVBACKEND_POLL; |
… | |
… | |
798 | |
798 | |
799 | return flags; |
799 | return flags; |
800 | } |
800 | } |
801 | |
801 | |
802 | unsigned int |
802 | unsigned int |
803 | ev_backend (EV_P) |
803 | ev_recommended_backends (void) |
804 | { |
804 | { |
805 | unsigned int flags = ev_recommended_backends (); |
805 | unsigned int flags = ev_supported_backends (); |
806 | |
806 | |
807 | #ifndef __NetBSD__ |
807 | #ifndef __NetBSD__ |
808 | /* kqueue is borked on everything but netbsd apparently */ |
808 | /* kqueue is borked on everything but netbsd apparently */ |
809 | /* it usually doesn't work correctly on anything but sockets and pipes */ |
809 | /* it usually doesn't work correctly on anything but sockets and pipes */ |
810 | flags &= ~EVBACKEND_KQUEUE; |
810 | flags &= ~EVBACKEND_KQUEUE; |
… | |
… | |
815 | #endif |
815 | #endif |
816 | |
816 | |
817 | return flags; |
817 | return flags; |
818 | } |
818 | } |
819 | |
819 | |
|
|
820 | unsigned int |
|
|
821 | ev_embeddable_backends (void) |
|
|
822 | { |
|
|
823 | return EVBACKEND_EPOLL |
|
|
824 | | EVBACKEND_KQUEUE |
|
|
825 | | EVBACKEND_PORT; |
|
|
826 | } |
|
|
827 | |
|
|
828 | unsigned int |
|
|
829 | ev_backend (EV_P) |
|
|
830 | { |
|
|
831 | return backend; |
|
|
832 | } |
|
|
833 | |
820 | static void |
834 | static void |
821 | loop_init (EV_P_ unsigned int flags) |
835 | loop_init (EV_P_ unsigned int flags) |
822 | { |
836 | { |
823 | if (!method) |
837 | if (!backend) |
824 | { |
838 | { |
825 | #if EV_USE_MONOTONIC |
839 | #if EV_USE_MONOTONIC |
826 | { |
840 | { |
827 | struct timespec ts; |
841 | struct timespec ts; |
828 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
842 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
… | |
… | |
841 | flags = atoi (getenv ("LIBEV_FLAGS")); |
855 | flags = atoi (getenv ("LIBEV_FLAGS")); |
842 | |
856 | |
843 | if (!(flags & 0x0000ffffUL)) |
857 | if (!(flags & 0x0000ffffUL)) |
844 | flags |= ev_recommended_backends (); |
858 | flags |= ev_recommended_backends (); |
845 | |
859 | |
846 | method = 0; |
860 | backend = 0; |
847 | #if EV_USE_PORT |
861 | #if EV_USE_PORT |
848 | if (!method && (flags & EVBACKEND_PORT )) method = port_init (EV_A_ flags); |
862 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
849 | #endif |
863 | #endif |
850 | #if EV_USE_KQUEUE |
864 | #if EV_USE_KQUEUE |
851 | if (!method && (flags & EVBACKEND_KQUEUE)) method = kqueue_init (EV_A_ flags); |
865 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
852 | #endif |
866 | #endif |
853 | #if EV_USE_EPOLL |
867 | #if EV_USE_EPOLL |
854 | if (!method && (flags & EVBACKEND_EPOLL )) method = epoll_init (EV_A_ flags); |
868 | if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags); |
855 | #endif |
869 | #endif |
856 | #if EV_USE_POLL |
870 | #if EV_USE_POLL |
857 | if (!method && (flags & EVBACKEND_POLL )) method = poll_init (EV_A_ flags); |
871 | if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags); |
858 | #endif |
872 | #endif |
859 | #if EV_USE_SELECT |
873 | #if EV_USE_SELECT |
860 | if (!method && (flags & EVBACKEND_SELECT)) method = select_init (EV_A_ flags); |
874 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
861 | #endif |
875 | #endif |
862 | |
876 | |
863 | ev_init (&sigev, sigcb); |
877 | ev_init (&sigev, sigcb); |
864 | ev_set_priority (&sigev, EV_MAXPRI); |
878 | ev_set_priority (&sigev, EV_MAXPRI); |
865 | } |
879 | } |
… | |
… | |
869 | loop_destroy (EV_P) |
883 | loop_destroy (EV_P) |
870 | { |
884 | { |
871 | int i; |
885 | int i; |
872 | |
886 | |
873 | #if EV_USE_PORT |
887 | #if EV_USE_PORT |
874 | if (method == EVBACKEND_PORT ) port_destroy (EV_A); |
888 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
875 | #endif |
889 | #endif |
876 | #if EV_USE_KQUEUE |
890 | #if EV_USE_KQUEUE |
877 | if (method == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); |
891 | if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); |
878 | #endif |
892 | #endif |
879 | #if EV_USE_EPOLL |
893 | #if EV_USE_EPOLL |
880 | if (method == EVBACKEND_EPOLL ) epoll_destroy (EV_A); |
894 | if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A); |
881 | #endif |
895 | #endif |
882 | #if EV_USE_POLL |
896 | #if EV_USE_POLL |
883 | if (method == EVBACKEND_POLL ) poll_destroy (EV_A); |
897 | if (backend == EVBACKEND_POLL ) poll_destroy (EV_A); |
884 | #endif |
898 | #endif |
885 | #if EV_USE_SELECT |
899 | #if EV_USE_SELECT |
886 | if (method == EVBACKEND_SELECT) select_destroy (EV_A); |
900 | if (backend == EVBACKEND_SELECT) select_destroy (EV_A); |
887 | #endif |
901 | #endif |
888 | |
902 | |
889 | for (i = NUMPRI; i--; ) |
903 | for (i = NUMPRI; i--; ) |
890 | array_free (pending, [i]); |
904 | array_free (pending, [i]); |
891 | |
905 | |
… | |
… | |
897 | #endif |
911 | #endif |
898 | array_free (idle, EMPTY0); |
912 | array_free (idle, EMPTY0); |
899 | array_free (prepare, EMPTY0); |
913 | array_free (prepare, EMPTY0); |
900 | array_free (check, EMPTY0); |
914 | array_free (check, EMPTY0); |
901 | |
915 | |
902 | method = 0; |
916 | backend = 0; |
903 | } |
917 | } |
904 | |
918 | |
905 | static void |
919 | static void |
906 | loop_fork (EV_P) |
920 | loop_fork (EV_P) |
907 | { |
921 | { |
908 | #if EV_USE_PORT |
922 | #if EV_USE_PORT |
909 | if (method == EVBACKEND_PORT ) port_fork (EV_A); |
923 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
910 | #endif |
924 | #endif |
911 | #if EV_USE_KQUEUE |
925 | #if EV_USE_KQUEUE |
912 | if (method == EVBACKEND_KQUEUE) kqueue_fork (EV_A); |
926 | if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A); |
913 | #endif |
927 | #endif |
914 | #if EV_USE_EPOLL |
928 | #if EV_USE_EPOLL |
915 | if (method == EVBACKEND_EPOLL ) epoll_fork (EV_A); |
929 | if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A); |
916 | #endif |
930 | #endif |
917 | |
931 | |
918 | if (ev_is_active (&sigev)) |
932 | if (ev_is_active (&sigev)) |
919 | { |
933 | { |
920 | /* default loop */ |
934 | /* default loop */ |
… | |
… | |
941 | |
955 | |
942 | memset (loop, 0, sizeof (struct ev_loop)); |
956 | memset (loop, 0, sizeof (struct ev_loop)); |
943 | |
957 | |
944 | loop_init (EV_A_ flags); |
958 | loop_init (EV_A_ flags); |
945 | |
959 | |
946 | if (ev_method (EV_A)) |
960 | if (ev_backend (EV_A)) |
947 | return loop; |
961 | return loop; |
948 | |
962 | |
949 | return 0; |
963 | return 0; |
950 | } |
964 | } |
951 | |
965 | |
… | |
… | |
984 | ev_default_loop_ptr = 1; |
998 | ev_default_loop_ptr = 1; |
985 | #endif |
999 | #endif |
986 | |
1000 | |
987 | loop_init (EV_A_ flags); |
1001 | loop_init (EV_A_ flags); |
988 | |
1002 | |
989 | if (ev_method (EV_A)) |
1003 | if (ev_backend (EV_A)) |
990 | { |
1004 | { |
991 | siginit (EV_A); |
1005 | siginit (EV_A); |
992 | |
1006 | |
993 | #ifndef _WIN32 |
1007 | #ifndef _WIN32 |
994 | ev_signal_init (&childev, childcb, SIGCHLD); |
1008 | ev_signal_init (&childev, childcb, SIGCHLD); |
… | |
… | |
1030 | { |
1044 | { |
1031 | #if EV_MULTIPLICITY |
1045 | #if EV_MULTIPLICITY |
1032 | struct ev_loop *loop = ev_default_loop_ptr; |
1046 | struct ev_loop *loop = ev_default_loop_ptr; |
1033 | #endif |
1047 | #endif |
1034 | |
1048 | |
1035 | if (method) |
1049 | if (backend) |
1036 | postfork = 1; |
1050 | postfork = 1; |
1037 | } |
1051 | } |
1038 | |
1052 | |
1039 | /*****************************************************************************/ |
1053 | /*****************************************************************************/ |
1040 | |
1054 | |
… | |
… | |
1060 | { |
1074 | { |
1061 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
1075 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
1062 | |
1076 | |
1063 | if (expect_true (p->w)) |
1077 | if (expect_true (p->w)) |
1064 | { |
1078 | { |
|
|
1079 | assert (("non-pending watcher on pending list", p->w->pending)); |
|
|
1080 | |
1065 | p->w->pending = 0; |
1081 | p->w->pending = 0; |
1066 | EV_CB_INVOKE (p->w, p->events); |
1082 | EV_CB_INVOKE (p->w, p->events); |
1067 | } |
1083 | } |
1068 | } |
1084 | } |
1069 | } |
1085 | } |
… | |
… | |
1071 | inline void |
1087 | inline void |
1072 | timers_reify (EV_P) |
1088 | timers_reify (EV_P) |
1073 | { |
1089 | { |
1074 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
1090 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
1075 | { |
1091 | { |
1076 | struct ev_timer *w = timers [0]; |
1092 | ev_timer *w = timers [0]; |
1077 | |
1093 | |
1078 | assert (("inactive timer on timer heap detected", ev_is_active (w))); |
1094 | assert (("inactive timer on timer heap detected", ev_is_active (w))); |
1079 | |
1095 | |
1080 | /* first reschedule or stop timer */ |
1096 | /* first reschedule or stop timer */ |
1081 | if (w->repeat) |
1097 | if (w->repeat) |
… | |
… | |
1099 | inline void |
1115 | inline void |
1100 | periodics_reify (EV_P) |
1116 | periodics_reify (EV_P) |
1101 | { |
1117 | { |
1102 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
1118 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
1103 | { |
1119 | { |
1104 | struct ev_periodic *w = periodics [0]; |
1120 | ev_periodic *w = periodics [0]; |
1105 | |
1121 | |
1106 | assert (("inactive timer on periodic heap detected", ev_is_active (w))); |
1122 | assert (("inactive timer on periodic heap detected", ev_is_active (w))); |
1107 | |
1123 | |
1108 | /* first reschedule or stop timer */ |
1124 | /* first reschedule or stop timer */ |
1109 | if (w->reschedule_cb) |
1125 | if (w->reschedule_cb) |
… | |
… | |
1131 | int i; |
1147 | int i; |
1132 | |
1148 | |
1133 | /* adjust periodics after time jump */ |
1149 | /* adjust periodics after time jump */ |
1134 | for (i = 0; i < periodiccnt; ++i) |
1150 | for (i = 0; i < periodiccnt; ++i) |
1135 | { |
1151 | { |
1136 | struct ev_periodic *w = periodics [i]; |
1152 | ev_periodic *w = periodics [i]; |
1137 | |
1153 | |
1138 | if (w->reschedule_cb) |
1154 | if (w->reschedule_cb) |
1139 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1155 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1140 | else if (w->interval) |
1156 | else if (w->interval) |
1141 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1157 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
… | |
… | |
1175 | { |
1191 | { |
1176 | if (time_update_monotonic (EV_A)) |
1192 | if (time_update_monotonic (EV_A)) |
1177 | { |
1193 | { |
1178 | ev_tstamp odiff = rtmn_diff; |
1194 | ev_tstamp odiff = rtmn_diff; |
1179 | |
1195 | |
1180 | for (i = 4; --i; ) /* loop a few times, before making important decisions */ |
1196 | /* loop a few times, before making important decisions. |
|
|
1197 | * on the choice of "4": one iteration isn't enough, |
|
|
1198 | * in case we get preempted during the calls to |
|
|
1199 | * ev_time and get_clock. a second call is almost guarenteed |
|
|
1200 | * to succeed in that case, though. and looping a few more times |
|
|
1201 | * doesn't hurt either as we only do this on time-jumps or |
|
|
1202 | * in the unlikely event of getting preempted here. |
|
|
1203 | */ |
|
|
1204 | for (i = 4; --i; ) |
1181 | { |
1205 | { |
1182 | rtmn_diff = ev_rt_now - mn_now; |
1206 | rtmn_diff = ev_rt_now - mn_now; |
1183 | |
1207 | |
1184 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
1208 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
1185 | return; /* all is well */ |
1209 | return; /* all is well */ |
… | |
… | |
1231 | static int loop_done; |
1255 | static int loop_done; |
1232 | |
1256 | |
1233 | void |
1257 | void |
1234 | ev_loop (EV_P_ int flags) |
1258 | ev_loop (EV_P_ int flags) |
1235 | { |
1259 | { |
1236 | double block; |
|
|
1237 | loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) ? 1 : 0; |
1260 | loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) |
|
|
1261 | ? EVUNLOOP_ONE |
|
|
1262 | : EVUNLOOP_CANCEL; |
1238 | |
1263 | |
1239 | while (activecnt) |
1264 | while (activecnt) |
1240 | { |
1265 | { |
1241 | /* queue check watchers (and execute them) */ |
1266 | /* queue check watchers (and execute them) */ |
1242 | if (expect_false (preparecnt)) |
1267 | if (expect_false (preparecnt)) |
… | |
… | |
1251 | |
1276 | |
1252 | /* update fd-related kernel structures */ |
1277 | /* update fd-related kernel structures */ |
1253 | fd_reify (EV_A); |
1278 | fd_reify (EV_A); |
1254 | |
1279 | |
1255 | /* calculate blocking time */ |
1280 | /* calculate blocking time */ |
|
|
1281 | { |
|
|
1282 | double block; |
1256 | |
1283 | |
1257 | /* we only need this for !monotonic clock or timers, but as we basically |
1284 | if (flags & EVLOOP_NONBLOCK || idlecnt) |
1258 | always have timers, we just calculate it always */ |
1285 | block = 0.; /* do not block at all */ |
|
|
1286 | else |
|
|
1287 | { |
|
|
1288 | /* update time to cancel out callback processing overhead */ |
1259 | #if EV_USE_MONOTONIC |
1289 | #if EV_USE_MONOTONIC |
1260 | if (expect_true (have_monotonic)) |
1290 | if (expect_true (have_monotonic)) |
1261 | time_update_monotonic (EV_A); |
1291 | time_update_monotonic (EV_A); |
1262 | else |
1292 | else |
1263 | #endif |
1293 | #endif |
1264 | { |
1294 | { |
1265 | ev_rt_now = ev_time (); |
1295 | ev_rt_now = ev_time (); |
1266 | mn_now = ev_rt_now; |
1296 | mn_now = ev_rt_now; |
1267 | } |
1297 | } |
1268 | |
1298 | |
1269 | if (flags & EVLOOP_NONBLOCK || idlecnt) |
|
|
1270 | block = 0.; |
|
|
1271 | else |
|
|
1272 | { |
|
|
1273 | block = MAX_BLOCKTIME; |
1299 | block = MAX_BLOCKTIME; |
1274 | |
1300 | |
1275 | if (timercnt) |
1301 | if (timercnt) |
1276 | { |
1302 | { |
1277 | ev_tstamp to = ((WT)timers [0])->at - mn_now + method_fudge; |
1303 | ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge; |
1278 | if (block > to) block = to; |
1304 | if (block > to) block = to; |
1279 | } |
1305 | } |
1280 | |
1306 | |
1281 | #if EV_PERIODICS |
1307 | #if EV_PERIODICS |
1282 | if (periodiccnt) |
1308 | if (periodiccnt) |
1283 | { |
1309 | { |
1284 | ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + method_fudge; |
1310 | ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + backend_fudge; |
1285 | if (block > to) block = to; |
1311 | if (block > to) block = to; |
1286 | } |
1312 | } |
1287 | #endif |
1313 | #endif |
1288 | |
1314 | |
1289 | if (expect_false (block < 0.)) block = 0.; |
1315 | if (expect_false (block < 0.)) block = 0.; |
1290 | } |
1316 | } |
1291 | |
1317 | |
1292 | method_poll (EV_A_ block); |
1318 | backend_poll (EV_A_ block); |
|
|
1319 | } |
1293 | |
1320 | |
1294 | /* update ev_rt_now, do magic */ |
1321 | /* update ev_rt_now, do magic */ |
1295 | time_update (EV_A); |
1322 | time_update (EV_A); |
1296 | |
1323 | |
1297 | /* queue pending timers and reschedule them */ |
1324 | /* queue pending timers and reschedule them */ |
1298 | timers_reify (EV_A); /* relative timers called last */ |
1325 | timers_reify (EV_A); /* relative timers called last */ |
1299 | #if EV_PERIODICS |
1326 | #if EV_PERIODICS |
1300 | periodics_reify (EV_A); /* absolute timers called first */ |
1327 | periodics_reify (EV_A); /* absolute timers called first */ |
1301 | #endif |
1328 | #endif |
1302 | |
1329 | |
1303 | /* queue idle watchers unless io or timers are pending */ |
1330 | /* queue idle watchers unless other events are pending */ |
1304 | if (idlecnt && !any_pending (EV_A)) |
1331 | if (idlecnt && !any_pending (EV_A)) |
1305 | queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE); |
1332 | queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE); |
1306 | |
1333 | |
1307 | /* queue check watchers, to be executed first */ |
1334 | /* queue check watchers, to be executed first */ |
1308 | if (expect_false (checkcnt)) |
1335 | if (expect_false (checkcnt)) |
… | |
… | |
1312 | |
1339 | |
1313 | if (expect_false (loop_done)) |
1340 | if (expect_false (loop_done)) |
1314 | break; |
1341 | break; |
1315 | } |
1342 | } |
1316 | |
1343 | |
1317 | if (loop_done != 2) |
1344 | if (loop_done == EVUNLOOP_ONE) |
1318 | loop_done = 0; |
1345 | loop_done = EVUNLOOP_CANCEL; |
1319 | } |
1346 | } |
1320 | |
1347 | |
1321 | void |
1348 | void |
1322 | ev_unloop (EV_P_ int how) |
1349 | ev_unloop (EV_P_ int how) |
1323 | { |
1350 | { |
… | |
… | |
1376 | } |
1403 | } |
1377 | |
1404 | |
1378 | /*****************************************************************************/ |
1405 | /*****************************************************************************/ |
1379 | |
1406 | |
1380 | void |
1407 | void |
1381 | ev_io_start (EV_P_ struct ev_io *w) |
1408 | ev_io_start (EV_P_ ev_io *w) |
1382 | { |
1409 | { |
1383 | int fd = w->fd; |
1410 | int fd = w->fd; |
1384 | |
1411 | |
1385 | if (expect_false (ev_is_active (w))) |
1412 | if (expect_false (ev_is_active (w))) |
1386 | return; |
1413 | return; |
… | |
… | |
1393 | |
1420 | |
1394 | fd_change (EV_A_ fd); |
1421 | fd_change (EV_A_ fd); |
1395 | } |
1422 | } |
1396 | |
1423 | |
1397 | void |
1424 | void |
1398 | ev_io_stop (EV_P_ struct ev_io *w) |
1425 | ev_io_stop (EV_P_ ev_io *w) |
1399 | { |
1426 | { |
1400 | ev_clear_pending (EV_A_ (W)w); |
1427 | ev_clear_pending (EV_A_ (W)w); |
1401 | if (expect_false (!ev_is_active (w))) |
1428 | if (expect_false (!ev_is_active (w))) |
1402 | return; |
1429 | return; |
1403 | |
1430 | |
… | |
… | |
1408 | |
1435 | |
1409 | fd_change (EV_A_ w->fd); |
1436 | fd_change (EV_A_ w->fd); |
1410 | } |
1437 | } |
1411 | |
1438 | |
1412 | void |
1439 | void |
1413 | ev_timer_start (EV_P_ struct ev_timer *w) |
1440 | ev_timer_start (EV_P_ ev_timer *w) |
1414 | { |
1441 | { |
1415 | if (expect_false (ev_is_active (w))) |
1442 | if (expect_false (ev_is_active (w))) |
1416 | return; |
1443 | return; |
1417 | |
1444 | |
1418 | ((WT)w)->at += mn_now; |
1445 | ((WT)w)->at += mn_now; |
1419 | |
1446 | |
1420 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1447 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1421 | |
1448 | |
1422 | ev_start (EV_A_ (W)w, ++timercnt); |
1449 | ev_start (EV_A_ (W)w, ++timercnt); |
1423 | array_needsize (struct ev_timer *, timers, timermax, timercnt, EMPTY2); |
1450 | array_needsize (ev_timer *, timers, timermax, timercnt, EMPTY2); |
1424 | timers [timercnt - 1] = w; |
1451 | timers [timercnt - 1] = w; |
1425 | upheap ((WT *)timers, timercnt - 1); |
1452 | upheap ((WT *)timers, timercnt - 1); |
1426 | |
1453 | |
1427 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1454 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1428 | } |
1455 | } |
1429 | |
1456 | |
1430 | void |
1457 | void |
1431 | ev_timer_stop (EV_P_ struct ev_timer *w) |
1458 | ev_timer_stop (EV_P_ ev_timer *w) |
1432 | { |
1459 | { |
1433 | ev_clear_pending (EV_A_ (W)w); |
1460 | ev_clear_pending (EV_A_ (W)w); |
1434 | if (expect_false (!ev_is_active (w))) |
1461 | if (expect_false (!ev_is_active (w))) |
1435 | return; |
1462 | return; |
1436 | |
1463 | |
… | |
… | |
1446 | |
1473 | |
1447 | ev_stop (EV_A_ (W)w); |
1474 | ev_stop (EV_A_ (W)w); |
1448 | } |
1475 | } |
1449 | |
1476 | |
1450 | void |
1477 | void |
1451 | ev_timer_again (EV_P_ struct ev_timer *w) |
1478 | ev_timer_again (EV_P_ ev_timer *w) |
1452 | { |
1479 | { |
1453 | if (ev_is_active (w)) |
1480 | if (ev_is_active (w)) |
1454 | { |
1481 | { |
1455 | if (w->repeat) |
1482 | if (w->repeat) |
1456 | { |
1483 | { |
… | |
… | |
1467 | } |
1494 | } |
1468 | } |
1495 | } |
1469 | |
1496 | |
1470 | #if EV_PERIODICS |
1497 | #if EV_PERIODICS |
1471 | void |
1498 | void |
1472 | ev_periodic_start (EV_P_ struct ev_periodic *w) |
1499 | ev_periodic_start (EV_P_ ev_periodic *w) |
1473 | { |
1500 | { |
1474 | if (expect_false (ev_is_active (w))) |
1501 | if (expect_false (ev_is_active (w))) |
1475 | return; |
1502 | return; |
1476 | |
1503 | |
1477 | if (w->reschedule_cb) |
1504 | if (w->reschedule_cb) |
… | |
… | |
1482 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1509 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1483 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1510 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1484 | } |
1511 | } |
1485 | |
1512 | |
1486 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1513 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1487 | array_needsize (struct ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2); |
1514 | array_needsize (ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2); |
1488 | periodics [periodiccnt - 1] = w; |
1515 | periodics [periodiccnt - 1] = w; |
1489 | upheap ((WT *)periodics, periodiccnt - 1); |
1516 | upheap ((WT *)periodics, periodiccnt - 1); |
1490 | |
1517 | |
1491 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1518 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1492 | } |
1519 | } |
1493 | |
1520 | |
1494 | void |
1521 | void |
1495 | ev_periodic_stop (EV_P_ struct ev_periodic *w) |
1522 | ev_periodic_stop (EV_P_ ev_periodic *w) |
1496 | { |
1523 | { |
1497 | ev_clear_pending (EV_A_ (W)w); |
1524 | ev_clear_pending (EV_A_ (W)w); |
1498 | if (expect_false (!ev_is_active (w))) |
1525 | if (expect_false (!ev_is_active (w))) |
1499 | return; |
1526 | return; |
1500 | |
1527 | |
… | |
… | |
1508 | |
1535 | |
1509 | ev_stop (EV_A_ (W)w); |
1536 | ev_stop (EV_A_ (W)w); |
1510 | } |
1537 | } |
1511 | |
1538 | |
1512 | void |
1539 | void |
1513 | ev_periodic_again (EV_P_ struct ev_periodic *w) |
1540 | ev_periodic_again (EV_P_ ev_periodic *w) |
1514 | { |
1541 | { |
1515 | /* TODO: use adjustheap and recalculation */ |
1542 | /* TODO: use adjustheap and recalculation */ |
1516 | ev_periodic_stop (EV_A_ w); |
1543 | ev_periodic_stop (EV_A_ w); |
1517 | ev_periodic_start (EV_A_ w); |
1544 | ev_periodic_start (EV_A_ w); |
1518 | } |
1545 | } |
1519 | #endif |
1546 | #endif |
1520 | |
1547 | |
1521 | void |
1548 | void |
1522 | ev_idle_start (EV_P_ struct ev_idle *w) |
1549 | ev_idle_start (EV_P_ ev_idle *w) |
1523 | { |
1550 | { |
1524 | if (expect_false (ev_is_active (w))) |
1551 | if (expect_false (ev_is_active (w))) |
1525 | return; |
1552 | return; |
1526 | |
1553 | |
1527 | ev_start (EV_A_ (W)w, ++idlecnt); |
1554 | ev_start (EV_A_ (W)w, ++idlecnt); |
1528 | array_needsize (struct ev_idle *, idles, idlemax, idlecnt, EMPTY2); |
1555 | array_needsize (ev_idle *, idles, idlemax, idlecnt, EMPTY2); |
1529 | idles [idlecnt - 1] = w; |
1556 | idles [idlecnt - 1] = w; |
1530 | } |
1557 | } |
1531 | |
1558 | |
1532 | void |
1559 | void |
1533 | ev_idle_stop (EV_P_ struct ev_idle *w) |
1560 | ev_idle_stop (EV_P_ ev_idle *w) |
1534 | { |
1561 | { |
1535 | ev_clear_pending (EV_A_ (W)w); |
1562 | ev_clear_pending (EV_A_ (W)w); |
1536 | if (expect_false (!ev_is_active (w))) |
1563 | if (expect_false (!ev_is_active (w))) |
1537 | return; |
1564 | return; |
1538 | |
1565 | |
|
|
1566 | { |
|
|
1567 | int active = ((W)w)->active; |
1539 | idles [((W)w)->active - 1] = idles [--idlecnt]; |
1568 | idles [active - 1] = idles [--idlecnt]; |
|
|
1569 | ((W)idles [active - 1])->active = active; |
|
|
1570 | } |
|
|
1571 | |
1540 | ev_stop (EV_A_ (W)w); |
1572 | ev_stop (EV_A_ (W)w); |
1541 | } |
1573 | } |
1542 | |
1574 | |
1543 | void |
1575 | void |
1544 | ev_prepare_start (EV_P_ struct ev_prepare *w) |
1576 | ev_prepare_start (EV_P_ ev_prepare *w) |
1545 | { |
1577 | { |
1546 | if (expect_false (ev_is_active (w))) |
1578 | if (expect_false (ev_is_active (w))) |
1547 | return; |
1579 | return; |
1548 | |
1580 | |
1549 | ev_start (EV_A_ (W)w, ++preparecnt); |
1581 | ev_start (EV_A_ (W)w, ++preparecnt); |
1550 | array_needsize (struct ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
1582 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
1551 | prepares [preparecnt - 1] = w; |
1583 | prepares [preparecnt - 1] = w; |
1552 | } |
1584 | } |
1553 | |
1585 | |
1554 | void |
1586 | void |
1555 | ev_prepare_stop (EV_P_ struct ev_prepare *w) |
1587 | ev_prepare_stop (EV_P_ ev_prepare *w) |
1556 | { |
1588 | { |
1557 | ev_clear_pending (EV_A_ (W)w); |
1589 | ev_clear_pending (EV_A_ (W)w); |
1558 | if (expect_false (!ev_is_active (w))) |
1590 | if (expect_false (!ev_is_active (w))) |
1559 | return; |
1591 | return; |
1560 | |
1592 | |
|
|
1593 | { |
|
|
1594 | int active = ((W)w)->active; |
1561 | prepares [((W)w)->active - 1] = prepares [--preparecnt]; |
1595 | prepares [active - 1] = prepares [--preparecnt]; |
|
|
1596 | ((W)prepares [active - 1])->active = active; |
|
|
1597 | } |
|
|
1598 | |
1562 | ev_stop (EV_A_ (W)w); |
1599 | ev_stop (EV_A_ (W)w); |
1563 | } |
1600 | } |
1564 | |
1601 | |
1565 | void |
1602 | void |
1566 | ev_check_start (EV_P_ struct ev_check *w) |
1603 | ev_check_start (EV_P_ ev_check *w) |
1567 | { |
1604 | { |
1568 | if (expect_false (ev_is_active (w))) |
1605 | if (expect_false (ev_is_active (w))) |
1569 | return; |
1606 | return; |
1570 | |
1607 | |
1571 | ev_start (EV_A_ (W)w, ++checkcnt); |
1608 | ev_start (EV_A_ (W)w, ++checkcnt); |
1572 | array_needsize (struct ev_check *, checks, checkmax, checkcnt, EMPTY2); |
1609 | array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); |
1573 | checks [checkcnt - 1] = w; |
1610 | checks [checkcnt - 1] = w; |
1574 | } |
1611 | } |
1575 | |
1612 | |
1576 | void |
1613 | void |
1577 | ev_check_stop (EV_P_ struct ev_check *w) |
1614 | ev_check_stop (EV_P_ ev_check *w) |
1578 | { |
1615 | { |
1579 | ev_clear_pending (EV_A_ (W)w); |
1616 | ev_clear_pending (EV_A_ (W)w); |
1580 | if (expect_false (!ev_is_active (w))) |
1617 | if (expect_false (!ev_is_active (w))) |
1581 | return; |
1618 | return; |
1582 | |
1619 | |
|
|
1620 | { |
|
|
1621 | int active = ((W)w)->active; |
1583 | checks [((W)w)->active - 1] = checks [--checkcnt]; |
1622 | checks [active - 1] = checks [--checkcnt]; |
|
|
1623 | ((W)checks [active - 1])->active = active; |
|
|
1624 | } |
|
|
1625 | |
1584 | ev_stop (EV_A_ (W)w); |
1626 | ev_stop (EV_A_ (W)w); |
1585 | } |
1627 | } |
1586 | |
1628 | |
1587 | #ifndef SA_RESTART |
1629 | #ifndef SA_RESTART |
1588 | # define SA_RESTART 0 |
1630 | # define SA_RESTART 0 |
1589 | #endif |
1631 | #endif |
1590 | |
1632 | |
1591 | void |
1633 | void |
1592 | ev_signal_start (EV_P_ struct ev_signal *w) |
1634 | ev_signal_start (EV_P_ ev_signal *w) |
1593 | { |
1635 | { |
1594 | #if EV_MULTIPLICITY |
1636 | #if EV_MULTIPLICITY |
1595 | assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1637 | assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1596 | #endif |
1638 | #endif |
1597 | if (expect_false (ev_is_active (w))) |
1639 | if (expect_false (ev_is_active (w))) |
… | |
… | |
1616 | #endif |
1658 | #endif |
1617 | } |
1659 | } |
1618 | } |
1660 | } |
1619 | |
1661 | |
1620 | void |
1662 | void |
1621 | ev_signal_stop (EV_P_ struct ev_signal *w) |
1663 | ev_signal_stop (EV_P_ ev_signal *w) |
1622 | { |
1664 | { |
1623 | ev_clear_pending (EV_A_ (W)w); |
1665 | ev_clear_pending (EV_A_ (W)w); |
1624 | if (expect_false (!ev_is_active (w))) |
1666 | if (expect_false (!ev_is_active (w))) |
1625 | return; |
1667 | return; |
1626 | |
1668 | |
… | |
… | |
1630 | if (!signals [w->signum - 1].head) |
1672 | if (!signals [w->signum - 1].head) |
1631 | signal (w->signum, SIG_DFL); |
1673 | signal (w->signum, SIG_DFL); |
1632 | } |
1674 | } |
1633 | |
1675 | |
1634 | void |
1676 | void |
1635 | ev_child_start (EV_P_ struct ev_child *w) |
1677 | ev_child_start (EV_P_ ev_child *w) |
1636 | { |
1678 | { |
1637 | #if EV_MULTIPLICITY |
1679 | #if EV_MULTIPLICITY |
1638 | assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1680 | assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1639 | #endif |
1681 | #endif |
1640 | if (expect_false (ev_is_active (w))) |
1682 | if (expect_false (ev_is_active (w))) |
… | |
… | |
1643 | ev_start (EV_A_ (W)w, 1); |
1685 | ev_start (EV_A_ (W)w, 1); |
1644 | wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1686 | wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1645 | } |
1687 | } |
1646 | |
1688 | |
1647 | void |
1689 | void |
1648 | ev_child_stop (EV_P_ struct ev_child *w) |
1690 | ev_child_stop (EV_P_ ev_child *w) |
1649 | { |
1691 | { |
1650 | ev_clear_pending (EV_A_ (W)w); |
1692 | ev_clear_pending (EV_A_ (W)w); |
1651 | if (expect_false (!ev_is_active (w))) |
1693 | if (expect_false (!ev_is_active (w))) |
1652 | return; |
1694 | return; |
1653 | |
1695 | |
1654 | wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1696 | wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1655 | ev_stop (EV_A_ (W)w); |
1697 | ev_stop (EV_A_ (W)w); |
1656 | } |
1698 | } |
1657 | |
1699 | |
|
|
1700 | #if EV_MULTIPLICITY |
|
|
1701 | void |
|
|
1702 | ev_embed_sweep (EV_P_ ev_embed *w) |
|
|
1703 | { |
|
|
1704 | ev_loop (w->loop, EVLOOP_NONBLOCK); |
|
|
1705 | } |
|
|
1706 | |
|
|
1707 | static void |
|
|
1708 | embed_cb (EV_P_ ev_io *io, int revents) |
|
|
1709 | { |
|
|
1710 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
|
|
1711 | |
|
|
1712 | if (ev_cb (w)) |
|
|
1713 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
|
|
1714 | else |
|
|
1715 | ev_embed_sweep (loop, w); |
|
|
1716 | } |
|
|
1717 | |
|
|
1718 | void |
|
|
1719 | ev_embed_start (EV_P_ ev_embed *w) |
|
|
1720 | { |
|
|
1721 | if (expect_false (ev_is_active (w))) |
|
|
1722 | return; |
|
|
1723 | |
|
|
1724 | { |
|
|
1725 | struct ev_loop *loop = w->loop; |
|
|
1726 | assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
|
|
1727 | ev_io_init (&w->io, embed_cb, backend_fd, EV_READ); |
|
|
1728 | } |
|
|
1729 | |
|
|
1730 | ev_set_priority (&w->io, ev_priority (w)); |
|
|
1731 | ev_io_start (EV_A_ &w->io); |
|
|
1732 | ev_start (EV_A_ (W)w, 1); |
|
|
1733 | } |
|
|
1734 | |
|
|
1735 | void |
|
|
1736 | ev_embed_stop (EV_P_ ev_embed *w) |
|
|
1737 | { |
|
|
1738 | ev_clear_pending (EV_A_ (W)w); |
|
|
1739 | if (expect_false (!ev_is_active (w))) |
|
|
1740 | return; |
|
|
1741 | |
|
|
1742 | ev_io_stop (EV_A_ &w->io); |
|
|
1743 | ev_stop (EV_A_ (W)w); |
|
|
1744 | } |
|
|
1745 | #endif |
|
|
1746 | |
1658 | /*****************************************************************************/ |
1747 | /*****************************************************************************/ |
1659 | |
1748 | |
1660 | struct ev_once |
1749 | struct ev_once |
1661 | { |
1750 | { |
1662 | struct ev_io io; |
1751 | ev_io io; |
1663 | struct ev_timer to; |
1752 | ev_timer to; |
1664 | void (*cb)(int revents, void *arg); |
1753 | void (*cb)(int revents, void *arg); |
1665 | void *arg; |
1754 | void *arg; |
1666 | }; |
1755 | }; |
1667 | |
1756 | |
1668 | static void |
1757 | static void |
… | |
… | |
1677 | |
1766 | |
1678 | cb (revents, arg); |
1767 | cb (revents, arg); |
1679 | } |
1768 | } |
1680 | |
1769 | |
1681 | static void |
1770 | static void |
1682 | once_cb_io (EV_P_ struct ev_io *w, int revents) |
1771 | once_cb_io (EV_P_ ev_io *w, int revents) |
1683 | { |
1772 | { |
1684 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, io)), revents); |
1773 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, io)), revents); |
1685 | } |
1774 | } |
1686 | |
1775 | |
1687 | static void |
1776 | static void |
1688 | once_cb_to (EV_P_ struct ev_timer *w, int revents) |
1777 | once_cb_to (EV_P_ ev_timer *w, int revents) |
1689 | { |
1778 | { |
1690 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, to)), revents); |
1779 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, to)), revents); |
1691 | } |
1780 | } |
1692 | |
1781 | |
1693 | void |
1782 | void |