… | |
… | |
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 |
… | |
… | |
154 | # define EV_USE_PORT 0 |
158 | # define EV_USE_PORT 0 |
155 | #endif |
159 | #endif |
156 | |
160 | |
157 | /**/ |
161 | /**/ |
158 | |
162 | |
159 | /* darwin simply cannot be helped */ |
|
|
160 | #ifdef __APPLE__ |
|
|
161 | # undef EV_USE_POLL |
|
|
162 | # undef EV_USE_KQUEUE |
|
|
163 | #endif |
|
|
164 | |
|
|
165 | #ifndef CLOCK_MONOTONIC |
163 | #ifndef CLOCK_MONOTONIC |
166 | # undef EV_USE_MONOTONIC |
164 | # undef EV_USE_MONOTONIC |
167 | # define EV_USE_MONOTONIC 0 |
165 | # define EV_USE_MONOTONIC 0 |
168 | #endif |
166 | #endif |
169 | |
167 | |
… | |
… | |
204 | #define ABSPRI(w) ((w)->priority - EV_MINPRI) |
202 | #define ABSPRI(w) ((w)->priority - EV_MINPRI) |
205 | |
203 | |
206 | #define EMPTY0 /* required for microsofts broken pseudo-c compiler */ |
204 | #define EMPTY0 /* required for microsofts broken pseudo-c compiler */ |
207 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
205 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
208 | |
206 | |
209 | typedef struct ev_watcher *W; |
207 | typedef ev_watcher *W; |
210 | typedef struct ev_watcher_list *WL; |
208 | typedef ev_watcher_list *WL; |
211 | typedef struct ev_watcher_time *WT; |
209 | typedef ev_watcher_time *WT; |
212 | |
210 | |
213 | static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
211 | static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
214 | |
212 | |
215 | #ifdef _WIN32 |
213 | #ifdef _WIN32 |
216 | # include "ev_win32.c" |
214 | # include "ev_win32.c" |
… | |
… | |
418 | |
416 | |
419 | inline void |
417 | inline void |
420 | fd_event (EV_P_ int fd, int revents) |
418 | fd_event (EV_P_ int fd, int revents) |
421 | { |
419 | { |
422 | ANFD *anfd = anfds + fd; |
420 | ANFD *anfd = anfds + fd; |
423 | struct ev_io *w; |
421 | ev_io *w; |
424 | |
422 | |
425 | 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) |
426 | { |
424 | { |
427 | int ev = w->events & revents; |
425 | int ev = w->events & revents; |
428 | |
426 | |
429 | if (ev) |
427 | if (ev) |
430 | ev_feed_event (EV_A_ (W)w, ev); |
428 | ev_feed_event (EV_A_ (W)w, ev); |
… | |
… | |
446 | |
444 | |
447 | for (i = 0; i < fdchangecnt; ++i) |
445 | for (i = 0; i < fdchangecnt; ++i) |
448 | { |
446 | { |
449 | int fd = fdchanges [i]; |
447 | int fd = fdchanges [i]; |
450 | ANFD *anfd = anfds + fd; |
448 | ANFD *anfd = anfds + fd; |
451 | struct ev_io *w; |
449 | ev_io *w; |
452 | |
450 | |
453 | int events = 0; |
451 | int events = 0; |
454 | |
452 | |
455 | 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) |
456 | events |= w->events; |
454 | events |= w->events; |
457 | |
455 | |
458 | #if EV_SELECT_IS_WINSOCKET |
456 | #if EV_SELECT_IS_WINSOCKET |
459 | if (events) |
457 | if (events) |
460 | { |
458 | { |
… | |
… | |
464 | } |
462 | } |
465 | #endif |
463 | #endif |
466 | |
464 | |
467 | anfd->reify = 0; |
465 | anfd->reify = 0; |
468 | |
466 | |
469 | method_modify (EV_A_ fd, anfd->events, events); |
467 | backend_modify (EV_A_ fd, anfd->events, events); |
470 | anfd->events = events; |
468 | anfd->events = events; |
471 | } |
469 | } |
472 | |
470 | |
473 | fdchangecnt = 0; |
471 | fdchangecnt = 0; |
474 | } |
472 | } |
… | |
… | |
487 | } |
485 | } |
488 | |
486 | |
489 | static void |
487 | static void |
490 | fd_kill (EV_P_ int fd) |
488 | fd_kill (EV_P_ int fd) |
491 | { |
489 | { |
492 | struct ev_io *w; |
490 | ev_io *w; |
493 | |
491 | |
494 | while ((w = (struct ev_io *)anfds [fd].head)) |
492 | while ((w = (ev_io *)anfds [fd].head)) |
495 | { |
493 | { |
496 | ev_io_stop (EV_A_ w); |
494 | ev_io_stop (EV_A_ w); |
497 | 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); |
498 | } |
496 | } |
499 | } |
497 | } |
… | |
… | |
532 | fd_kill (EV_A_ fd); |
530 | fd_kill (EV_A_ fd); |
533 | return; |
531 | return; |
534 | } |
532 | } |
535 | } |
533 | } |
536 | |
534 | |
537 | /* 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 */ |
538 | static void |
536 | static void |
539 | fd_rearm_all (EV_P) |
537 | fd_rearm_all (EV_P) |
540 | { |
538 | { |
541 | int fd; |
539 | int fd; |
542 | |
540 | |
… | |
… | |
610 | static ANSIG *signals; |
608 | static ANSIG *signals; |
611 | static int signalmax; |
609 | static int signalmax; |
612 | |
610 | |
613 | static int sigpipe [2]; |
611 | static int sigpipe [2]; |
614 | static sig_atomic_t volatile gotsig; |
612 | static sig_atomic_t volatile gotsig; |
615 | static struct ev_io sigev; |
613 | static ev_io sigev; |
616 | |
614 | |
617 | static void |
615 | static void |
618 | signals_init (ANSIG *base, int count) |
616 | signals_init (ANSIG *base, int count) |
619 | { |
617 | { |
620 | while (count--) |
618 | while (count--) |
… | |
… | |
663 | for (w = signals [signum].head; w; w = w->next) |
661 | for (w = signals [signum].head; w; w = w->next) |
664 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
662 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
665 | } |
663 | } |
666 | |
664 | |
667 | static void |
665 | static void |
668 | sigcb (EV_P_ struct ev_io *iow, int revents) |
666 | sigcb (EV_P_ ev_io *iow, int revents) |
669 | { |
667 | { |
670 | int signum; |
668 | int signum; |
671 | |
669 | |
672 | read (sigpipe [0], &revents, 1); |
670 | read (sigpipe [0], &revents, 1); |
673 | gotsig = 0; |
671 | gotsig = 0; |
… | |
… | |
700 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
698 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
701 | } |
699 | } |
702 | |
700 | |
703 | /*****************************************************************************/ |
701 | /*****************************************************************************/ |
704 | |
702 | |
705 | static struct ev_child *childs [PID_HASHSIZE]; |
703 | static ev_child *childs [PID_HASHSIZE]; |
706 | |
704 | |
707 | #ifndef _WIN32 |
705 | #ifndef _WIN32 |
708 | |
706 | |
709 | static struct ev_signal childev; |
707 | static ev_signal childev; |
710 | |
708 | |
711 | #ifndef WCONTINUED |
709 | #ifndef WCONTINUED |
712 | # define WCONTINUED 0 |
710 | # define WCONTINUED 0 |
713 | #endif |
711 | #endif |
714 | |
712 | |
715 | static void |
713 | static void |
716 | 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) |
717 | { |
715 | { |
718 | struct ev_child *w; |
716 | ev_child *w; |
719 | |
717 | |
720 | 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) |
721 | if (w->pid == pid || !w->pid) |
719 | if (w->pid == pid || !w->pid) |
722 | { |
720 | { |
723 | ev_priority (w) = ev_priority (sw); /* need to do it *now* */ |
721 | ev_priority (w) = ev_priority (sw); /* need to do it *now* */ |
724 | w->rpid = pid; |
722 | w->rpid = pid; |
725 | w->rstatus = status; |
723 | w->rstatus = status; |
726 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
724 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
727 | } |
725 | } |
728 | } |
726 | } |
729 | |
727 | |
730 | static void |
728 | static void |
731 | childcb (EV_P_ struct ev_signal *sw, int revents) |
729 | childcb (EV_P_ ev_signal *sw, int revents) |
732 | { |
730 | { |
733 | int pid, status; |
731 | int pid, status; |
734 | |
732 | |
735 | if (0 < (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED))) |
733 | if (0 < (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED))) |
736 | { |
734 | { |
737 | /* 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 */ |
738 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
737 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
739 | |
738 | |
740 | child_reap (EV_A_ sw, pid, pid, status); |
739 | child_reap (EV_A_ sw, pid, pid, status); |
741 | 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 */ |
742 | } |
741 | } |
743 | } |
742 | } |
744 | |
743 | |
745 | #endif |
744 | #endif |
746 | |
745 | |
… | |
… | |
785 | || getgid () != getegid (); |
784 | || getgid () != getegid (); |
786 | #endif |
785 | #endif |
787 | } |
786 | } |
788 | |
787 | |
789 | unsigned int |
788 | unsigned int |
790 | ev_method (EV_P) |
789 | ev_supported_backends (void) |
791 | { |
790 | { |
792 | return method; |
791 | unsigned int flags = 0; |
|
|
792 | |
|
|
793 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
|
|
794 | if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; |
|
|
795 | if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL; |
|
|
796 | if (EV_USE_POLL ) flags |= EVBACKEND_POLL; |
|
|
797 | if (EV_USE_SELECT) flags |= EVBACKEND_SELECT; |
|
|
798 | |
|
|
799 | return flags; |
|
|
800 | } |
|
|
801 | |
|
|
802 | unsigned int |
|
|
803 | ev_recommended_backends (void) |
|
|
804 | { |
|
|
805 | unsigned int flags = ev_supported_backends (); |
|
|
806 | |
|
|
807 | #ifndef __NetBSD__ |
|
|
808 | /* kqueue is borked on everything but netbsd apparently */ |
|
|
809 | /* it usually doesn't work correctly on anything but sockets and pipes */ |
|
|
810 | flags &= ~EVBACKEND_KQUEUE; |
|
|
811 | #endif |
|
|
812 | #ifdef __APPLE__ |
|
|
813 | // flags &= ~EVBACKEND_KQUEUE; for documentation |
|
|
814 | flags &= ~EVBACKEND_POLL; |
|
|
815 | #endif |
|
|
816 | |
|
|
817 | return flags; |
|
|
818 | } |
|
|
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; |
793 | } |
832 | } |
794 | |
833 | |
795 | static void |
834 | static void |
796 | loop_init (EV_P_ unsigned int flags) |
835 | loop_init (EV_P_ unsigned int flags) |
797 | { |
836 | { |
798 | if (!method) |
837 | if (!backend) |
799 | { |
838 | { |
800 | #if EV_USE_MONOTONIC |
839 | #if EV_USE_MONOTONIC |
801 | { |
840 | { |
802 | struct timespec ts; |
841 | struct timespec ts; |
803 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
842 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
… | |
… | |
813 | if (!(flags & EVFLAG_NOENV) |
852 | if (!(flags & EVFLAG_NOENV) |
814 | && !enable_secure () |
853 | && !enable_secure () |
815 | && getenv ("LIBEV_FLAGS")) |
854 | && getenv ("LIBEV_FLAGS")) |
816 | flags = atoi (getenv ("LIBEV_FLAGS")); |
855 | flags = atoi (getenv ("LIBEV_FLAGS")); |
817 | |
856 | |
818 | if (!(flags & EVMETHOD_ALL)) |
857 | if (!(flags & 0x0000ffffUL)) |
819 | { |
858 | flags |= ev_recommended_backends (); |
820 | flags |= EVMETHOD_ALL; |
|
|
821 | #if EV_USE_KQUEUE && !defined (__NetBSD__) |
|
|
822 | /* kqueue is borked on everything but netbsd apparently */ |
|
|
823 | /* it usually doesn't work correctly on anything but sockets and pipes */ |
|
|
824 | flags &= ~EVMETHOD_KQUEUE; |
|
|
825 | #endif |
|
|
826 | } |
|
|
827 | |
859 | |
828 | method = 0; |
860 | backend = 0; |
829 | #if EV_USE_PORT |
861 | #if EV_USE_PORT |
830 | if (!method && (flags & EVMETHOD_PORT )) method = port_init (EV_A_ flags); |
862 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
831 | #endif |
863 | #endif |
832 | #if EV_USE_KQUEUE |
864 | #if EV_USE_KQUEUE |
833 | if (!method && (flags & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ flags); |
865 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
834 | #endif |
866 | #endif |
835 | #if EV_USE_EPOLL |
867 | #if EV_USE_EPOLL |
836 | if (!method && (flags & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ flags); |
868 | if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags); |
837 | #endif |
869 | #endif |
838 | #if EV_USE_POLL |
870 | #if EV_USE_POLL |
839 | if (!method && (flags & EVMETHOD_POLL )) method = poll_init (EV_A_ flags); |
871 | if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags); |
840 | #endif |
872 | #endif |
841 | #if EV_USE_SELECT |
873 | #if EV_USE_SELECT |
842 | if (!method && (flags & EVMETHOD_SELECT)) method = select_init (EV_A_ flags); |
874 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
843 | #endif |
875 | #endif |
844 | |
876 | |
845 | ev_init (&sigev, sigcb); |
877 | ev_init (&sigev, sigcb); |
846 | ev_set_priority (&sigev, EV_MAXPRI); |
878 | ev_set_priority (&sigev, EV_MAXPRI); |
847 | } |
879 | } |
… | |
… | |
851 | loop_destroy (EV_P) |
883 | loop_destroy (EV_P) |
852 | { |
884 | { |
853 | int i; |
885 | int i; |
854 | |
886 | |
855 | #if EV_USE_PORT |
887 | #if EV_USE_PORT |
856 | if (method == EVMETHOD_PORT ) port_destroy (EV_A); |
888 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
857 | #endif |
889 | #endif |
858 | #if EV_USE_KQUEUE |
890 | #if EV_USE_KQUEUE |
859 | if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A); |
891 | if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); |
860 | #endif |
892 | #endif |
861 | #if EV_USE_EPOLL |
893 | #if EV_USE_EPOLL |
862 | if (method == EVMETHOD_EPOLL ) epoll_destroy (EV_A); |
894 | if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A); |
863 | #endif |
895 | #endif |
864 | #if EV_USE_POLL |
896 | #if EV_USE_POLL |
865 | if (method == EVMETHOD_POLL ) poll_destroy (EV_A); |
897 | if (backend == EVBACKEND_POLL ) poll_destroy (EV_A); |
866 | #endif |
898 | #endif |
867 | #if EV_USE_SELECT |
899 | #if EV_USE_SELECT |
868 | if (method == EVMETHOD_SELECT) select_destroy (EV_A); |
900 | if (backend == EVBACKEND_SELECT) select_destroy (EV_A); |
869 | #endif |
901 | #endif |
870 | |
902 | |
871 | for (i = NUMPRI; i--; ) |
903 | for (i = NUMPRI; i--; ) |
872 | array_free (pending, [i]); |
904 | array_free (pending, [i]); |
873 | |
905 | |
… | |
… | |
879 | #endif |
911 | #endif |
880 | array_free (idle, EMPTY0); |
912 | array_free (idle, EMPTY0); |
881 | array_free (prepare, EMPTY0); |
913 | array_free (prepare, EMPTY0); |
882 | array_free (check, EMPTY0); |
914 | array_free (check, EMPTY0); |
883 | |
915 | |
884 | method = 0; |
916 | backend = 0; |
885 | } |
917 | } |
886 | |
918 | |
887 | static void |
919 | static void |
888 | loop_fork (EV_P) |
920 | loop_fork (EV_P) |
889 | { |
921 | { |
890 | #if EV_USE_PORT |
922 | #if EV_USE_PORT |
891 | if (method == EVMETHOD_PORT ) port_fork (EV_A); |
923 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
892 | #endif |
924 | #endif |
893 | #if EV_USE_KQUEUE |
925 | #if EV_USE_KQUEUE |
894 | if (method == EVMETHOD_KQUEUE) kqueue_fork (EV_A); |
926 | if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A); |
895 | #endif |
927 | #endif |
896 | #if EV_USE_EPOLL |
928 | #if EV_USE_EPOLL |
897 | if (method == EVMETHOD_EPOLL ) epoll_fork (EV_A); |
929 | if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A); |
898 | #endif |
930 | #endif |
899 | |
931 | |
900 | if (ev_is_active (&sigev)) |
932 | if (ev_is_active (&sigev)) |
901 | { |
933 | { |
902 | /* default loop */ |
934 | /* default loop */ |
… | |
… | |
923 | |
955 | |
924 | memset (loop, 0, sizeof (struct ev_loop)); |
956 | memset (loop, 0, sizeof (struct ev_loop)); |
925 | |
957 | |
926 | loop_init (EV_A_ flags); |
958 | loop_init (EV_A_ flags); |
927 | |
959 | |
928 | if (ev_method (EV_A)) |
960 | if (ev_backend (EV_A)) |
929 | return loop; |
961 | return loop; |
930 | |
962 | |
931 | return 0; |
963 | return 0; |
932 | } |
964 | } |
933 | |
965 | |
… | |
… | |
966 | ev_default_loop_ptr = 1; |
998 | ev_default_loop_ptr = 1; |
967 | #endif |
999 | #endif |
968 | |
1000 | |
969 | loop_init (EV_A_ flags); |
1001 | loop_init (EV_A_ flags); |
970 | |
1002 | |
971 | if (ev_method (EV_A)) |
1003 | if (ev_backend (EV_A)) |
972 | { |
1004 | { |
973 | siginit (EV_A); |
1005 | siginit (EV_A); |
974 | |
1006 | |
975 | #ifndef _WIN32 |
1007 | #ifndef _WIN32 |
976 | ev_signal_init (&childev, childcb, SIGCHLD); |
1008 | ev_signal_init (&childev, childcb, SIGCHLD); |
… | |
… | |
1012 | { |
1044 | { |
1013 | #if EV_MULTIPLICITY |
1045 | #if EV_MULTIPLICITY |
1014 | struct ev_loop *loop = ev_default_loop_ptr; |
1046 | struct ev_loop *loop = ev_default_loop_ptr; |
1015 | #endif |
1047 | #endif |
1016 | |
1048 | |
1017 | if (method) |
1049 | if (backend) |
1018 | postfork = 1; |
1050 | postfork = 1; |
1019 | } |
1051 | } |
1020 | |
1052 | |
1021 | /*****************************************************************************/ |
1053 | /*****************************************************************************/ |
1022 | |
1054 | |
… | |
… | |
1053 | inline void |
1085 | inline void |
1054 | timers_reify (EV_P) |
1086 | timers_reify (EV_P) |
1055 | { |
1087 | { |
1056 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
1088 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
1057 | { |
1089 | { |
1058 | struct ev_timer *w = timers [0]; |
1090 | ev_timer *w = timers [0]; |
1059 | |
1091 | |
1060 | assert (("inactive timer on timer heap detected", ev_is_active (w))); |
1092 | assert (("inactive timer on timer heap detected", ev_is_active (w))); |
1061 | |
1093 | |
1062 | /* first reschedule or stop timer */ |
1094 | /* first reschedule or stop timer */ |
1063 | if (w->repeat) |
1095 | if (w->repeat) |
… | |
… | |
1081 | inline void |
1113 | inline void |
1082 | periodics_reify (EV_P) |
1114 | periodics_reify (EV_P) |
1083 | { |
1115 | { |
1084 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
1116 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
1085 | { |
1117 | { |
1086 | struct ev_periodic *w = periodics [0]; |
1118 | ev_periodic *w = periodics [0]; |
1087 | |
1119 | |
1088 | assert (("inactive timer on periodic heap detected", ev_is_active (w))); |
1120 | assert (("inactive timer on periodic heap detected", ev_is_active (w))); |
1089 | |
1121 | |
1090 | /* first reschedule or stop timer */ |
1122 | /* first reschedule or stop timer */ |
1091 | if (w->reschedule_cb) |
1123 | if (w->reschedule_cb) |
… | |
… | |
1113 | int i; |
1145 | int i; |
1114 | |
1146 | |
1115 | /* adjust periodics after time jump */ |
1147 | /* adjust periodics after time jump */ |
1116 | for (i = 0; i < periodiccnt; ++i) |
1148 | for (i = 0; i < periodiccnt; ++i) |
1117 | { |
1149 | { |
1118 | struct ev_periodic *w = periodics [i]; |
1150 | ev_periodic *w = periodics [i]; |
1119 | |
1151 | |
1120 | if (w->reschedule_cb) |
1152 | if (w->reschedule_cb) |
1121 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1153 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1122 | else if (w->interval) |
1154 | else if (w->interval) |
1123 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1155 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
… | |
… | |
1213 | static int loop_done; |
1245 | static int loop_done; |
1214 | |
1246 | |
1215 | void |
1247 | void |
1216 | ev_loop (EV_P_ int flags) |
1248 | ev_loop (EV_P_ int flags) |
1217 | { |
1249 | { |
1218 | double block; |
|
|
1219 | loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) ? 1 : 0; |
1250 | loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) |
|
|
1251 | ? EVUNLOOP_ONE |
|
|
1252 | : EVUNLOOP_CANCEL; |
1220 | |
1253 | |
1221 | while (activecnt) |
1254 | while (activecnt) |
1222 | { |
1255 | { |
1223 | /* queue check watchers (and execute them) */ |
1256 | /* queue check watchers (and execute them) */ |
1224 | if (expect_false (preparecnt)) |
1257 | if (expect_false (preparecnt)) |
… | |
… | |
1233 | |
1266 | |
1234 | /* update fd-related kernel structures */ |
1267 | /* update fd-related kernel structures */ |
1235 | fd_reify (EV_A); |
1268 | fd_reify (EV_A); |
1236 | |
1269 | |
1237 | /* calculate blocking time */ |
1270 | /* calculate blocking time */ |
|
|
1271 | { |
|
|
1272 | double block; |
1238 | |
1273 | |
1239 | /* we only need this for !monotonic clock or timers, but as we basically |
1274 | if (flags & EVLOOP_NONBLOCK || idlecnt) |
1240 | always have timers, we just calculate it always */ |
1275 | block = 0.; /* do not block at all */ |
|
|
1276 | else |
|
|
1277 | { |
|
|
1278 | /* update time to cancel out callback processing overhead */ |
1241 | #if EV_USE_MONOTONIC |
1279 | #if EV_USE_MONOTONIC |
1242 | if (expect_true (have_monotonic)) |
1280 | if (expect_true (have_monotonic)) |
1243 | time_update_monotonic (EV_A); |
1281 | time_update_monotonic (EV_A); |
1244 | else |
1282 | else |
1245 | #endif |
1283 | #endif |
1246 | { |
1284 | { |
1247 | ev_rt_now = ev_time (); |
1285 | ev_rt_now = ev_time (); |
1248 | mn_now = ev_rt_now; |
1286 | mn_now = ev_rt_now; |
1249 | } |
1287 | } |
1250 | |
1288 | |
1251 | if (flags & EVLOOP_NONBLOCK || idlecnt) |
|
|
1252 | block = 0.; |
|
|
1253 | else |
|
|
1254 | { |
|
|
1255 | block = MAX_BLOCKTIME; |
1289 | block = MAX_BLOCKTIME; |
1256 | |
1290 | |
1257 | if (timercnt) |
1291 | if (timercnt) |
1258 | { |
1292 | { |
1259 | ev_tstamp to = ((WT)timers [0])->at - mn_now + method_fudge; |
1293 | ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge; |
1260 | if (block > to) block = to; |
1294 | if (block > to) block = to; |
1261 | } |
1295 | } |
1262 | |
1296 | |
1263 | #if EV_PERIODICS |
1297 | #if EV_PERIODICS |
1264 | if (periodiccnt) |
1298 | if (periodiccnt) |
1265 | { |
1299 | { |
1266 | ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + method_fudge; |
1300 | ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + backend_fudge; |
1267 | if (block > to) block = to; |
1301 | if (block > to) block = to; |
1268 | } |
1302 | } |
1269 | #endif |
1303 | #endif |
1270 | |
1304 | |
1271 | if (expect_false (block < 0.)) block = 0.; |
1305 | if (expect_false (block < 0.)) block = 0.; |
1272 | } |
1306 | } |
1273 | |
1307 | |
1274 | method_poll (EV_A_ block); |
1308 | backend_poll (EV_A_ block); |
|
|
1309 | } |
1275 | |
1310 | |
1276 | /* update ev_rt_now, do magic */ |
1311 | /* update ev_rt_now, do magic */ |
1277 | time_update (EV_A); |
1312 | time_update (EV_A); |
1278 | |
1313 | |
1279 | /* queue pending timers and reschedule them */ |
1314 | /* queue pending timers and reschedule them */ |
1280 | timers_reify (EV_A); /* relative timers called last */ |
1315 | timers_reify (EV_A); /* relative timers called last */ |
1281 | #if EV_PERIODICS |
1316 | #if EV_PERIODICS |
1282 | periodics_reify (EV_A); /* absolute timers called first */ |
1317 | periodics_reify (EV_A); /* absolute timers called first */ |
1283 | #endif |
1318 | #endif |
1284 | |
1319 | |
1285 | /* queue idle watchers unless io or timers are pending */ |
1320 | /* queue idle watchers unless other events are pending */ |
1286 | if (idlecnt && !any_pending (EV_A)) |
1321 | if (idlecnt && !any_pending (EV_A)) |
1287 | queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE); |
1322 | queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE); |
1288 | |
1323 | |
1289 | /* queue check watchers, to be executed first */ |
1324 | /* queue check watchers, to be executed first */ |
1290 | if (expect_false (checkcnt)) |
1325 | if (expect_false (checkcnt)) |
… | |
… | |
1294 | |
1329 | |
1295 | if (expect_false (loop_done)) |
1330 | if (expect_false (loop_done)) |
1296 | break; |
1331 | break; |
1297 | } |
1332 | } |
1298 | |
1333 | |
1299 | if (loop_done != 2) |
1334 | if (loop_done == EVUNLOOP_ONE) |
1300 | loop_done = 0; |
1335 | loop_done = EVUNLOOP_CANCEL; |
1301 | } |
1336 | } |
1302 | |
1337 | |
1303 | void |
1338 | void |
1304 | ev_unloop (EV_P_ int how) |
1339 | ev_unloop (EV_P_ int how) |
1305 | { |
1340 | { |
… | |
… | |
1358 | } |
1393 | } |
1359 | |
1394 | |
1360 | /*****************************************************************************/ |
1395 | /*****************************************************************************/ |
1361 | |
1396 | |
1362 | void |
1397 | void |
1363 | ev_io_start (EV_P_ struct ev_io *w) |
1398 | ev_io_start (EV_P_ ev_io *w) |
1364 | { |
1399 | { |
1365 | int fd = w->fd; |
1400 | int fd = w->fd; |
1366 | |
1401 | |
1367 | if (expect_false (ev_is_active (w))) |
1402 | if (expect_false (ev_is_active (w))) |
1368 | return; |
1403 | return; |
… | |
… | |
1375 | |
1410 | |
1376 | fd_change (EV_A_ fd); |
1411 | fd_change (EV_A_ fd); |
1377 | } |
1412 | } |
1378 | |
1413 | |
1379 | void |
1414 | void |
1380 | ev_io_stop (EV_P_ struct ev_io *w) |
1415 | ev_io_stop (EV_P_ ev_io *w) |
1381 | { |
1416 | { |
1382 | ev_clear_pending (EV_A_ (W)w); |
1417 | ev_clear_pending (EV_A_ (W)w); |
1383 | if (expect_false (!ev_is_active (w))) |
1418 | if (expect_false (!ev_is_active (w))) |
1384 | return; |
1419 | return; |
1385 | |
1420 | |
… | |
… | |
1390 | |
1425 | |
1391 | fd_change (EV_A_ w->fd); |
1426 | fd_change (EV_A_ w->fd); |
1392 | } |
1427 | } |
1393 | |
1428 | |
1394 | void |
1429 | void |
1395 | ev_timer_start (EV_P_ struct ev_timer *w) |
1430 | ev_timer_start (EV_P_ ev_timer *w) |
1396 | { |
1431 | { |
1397 | if (expect_false (ev_is_active (w))) |
1432 | if (expect_false (ev_is_active (w))) |
1398 | return; |
1433 | return; |
1399 | |
1434 | |
1400 | ((WT)w)->at += mn_now; |
1435 | ((WT)w)->at += mn_now; |
1401 | |
1436 | |
1402 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1437 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1403 | |
1438 | |
1404 | ev_start (EV_A_ (W)w, ++timercnt); |
1439 | ev_start (EV_A_ (W)w, ++timercnt); |
1405 | array_needsize (struct ev_timer *, timers, timermax, timercnt, EMPTY2); |
1440 | array_needsize (ev_timer *, timers, timermax, timercnt, EMPTY2); |
1406 | timers [timercnt - 1] = w; |
1441 | timers [timercnt - 1] = w; |
1407 | upheap ((WT *)timers, timercnt - 1); |
1442 | upheap ((WT *)timers, timercnt - 1); |
1408 | |
1443 | |
1409 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1444 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1410 | } |
1445 | } |
1411 | |
1446 | |
1412 | void |
1447 | void |
1413 | ev_timer_stop (EV_P_ struct ev_timer *w) |
1448 | ev_timer_stop (EV_P_ ev_timer *w) |
1414 | { |
1449 | { |
1415 | ev_clear_pending (EV_A_ (W)w); |
1450 | ev_clear_pending (EV_A_ (W)w); |
1416 | if (expect_false (!ev_is_active (w))) |
1451 | if (expect_false (!ev_is_active (w))) |
1417 | return; |
1452 | return; |
1418 | |
1453 | |
… | |
… | |
1428 | |
1463 | |
1429 | ev_stop (EV_A_ (W)w); |
1464 | ev_stop (EV_A_ (W)w); |
1430 | } |
1465 | } |
1431 | |
1466 | |
1432 | void |
1467 | void |
1433 | ev_timer_again (EV_P_ struct ev_timer *w) |
1468 | ev_timer_again (EV_P_ ev_timer *w) |
1434 | { |
1469 | { |
1435 | if (ev_is_active (w)) |
1470 | if (ev_is_active (w)) |
1436 | { |
1471 | { |
1437 | if (w->repeat) |
1472 | if (w->repeat) |
1438 | { |
1473 | { |
… | |
… | |
1449 | } |
1484 | } |
1450 | } |
1485 | } |
1451 | |
1486 | |
1452 | #if EV_PERIODICS |
1487 | #if EV_PERIODICS |
1453 | void |
1488 | void |
1454 | ev_periodic_start (EV_P_ struct ev_periodic *w) |
1489 | ev_periodic_start (EV_P_ ev_periodic *w) |
1455 | { |
1490 | { |
1456 | if (expect_false (ev_is_active (w))) |
1491 | if (expect_false (ev_is_active (w))) |
1457 | return; |
1492 | return; |
1458 | |
1493 | |
1459 | if (w->reschedule_cb) |
1494 | if (w->reschedule_cb) |
… | |
… | |
1464 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1499 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1465 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1500 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1466 | } |
1501 | } |
1467 | |
1502 | |
1468 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1503 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1469 | array_needsize (struct ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2); |
1504 | array_needsize (ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2); |
1470 | periodics [periodiccnt - 1] = w; |
1505 | periodics [periodiccnt - 1] = w; |
1471 | upheap ((WT *)periodics, periodiccnt - 1); |
1506 | upheap ((WT *)periodics, periodiccnt - 1); |
1472 | |
1507 | |
1473 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1508 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1474 | } |
1509 | } |
1475 | |
1510 | |
1476 | void |
1511 | void |
1477 | ev_periodic_stop (EV_P_ struct ev_periodic *w) |
1512 | ev_periodic_stop (EV_P_ ev_periodic *w) |
1478 | { |
1513 | { |
1479 | ev_clear_pending (EV_A_ (W)w); |
1514 | ev_clear_pending (EV_A_ (W)w); |
1480 | if (expect_false (!ev_is_active (w))) |
1515 | if (expect_false (!ev_is_active (w))) |
1481 | return; |
1516 | return; |
1482 | |
1517 | |
… | |
… | |
1490 | |
1525 | |
1491 | ev_stop (EV_A_ (W)w); |
1526 | ev_stop (EV_A_ (W)w); |
1492 | } |
1527 | } |
1493 | |
1528 | |
1494 | void |
1529 | void |
1495 | ev_periodic_again (EV_P_ struct ev_periodic *w) |
1530 | ev_periodic_again (EV_P_ ev_periodic *w) |
1496 | { |
1531 | { |
1497 | /* TODO: use adjustheap and recalculation */ |
1532 | /* TODO: use adjustheap and recalculation */ |
1498 | ev_periodic_stop (EV_A_ w); |
1533 | ev_periodic_stop (EV_A_ w); |
1499 | ev_periodic_start (EV_A_ w); |
1534 | ev_periodic_start (EV_A_ w); |
1500 | } |
1535 | } |
1501 | #endif |
1536 | #endif |
1502 | |
1537 | |
1503 | void |
1538 | void |
1504 | ev_idle_start (EV_P_ struct ev_idle *w) |
1539 | ev_idle_start (EV_P_ ev_idle *w) |
1505 | { |
1540 | { |
1506 | if (expect_false (ev_is_active (w))) |
1541 | if (expect_false (ev_is_active (w))) |
1507 | return; |
1542 | return; |
1508 | |
1543 | |
1509 | ev_start (EV_A_ (W)w, ++idlecnt); |
1544 | ev_start (EV_A_ (W)w, ++idlecnt); |
1510 | array_needsize (struct ev_idle *, idles, idlemax, idlecnt, EMPTY2); |
1545 | array_needsize (ev_idle *, idles, idlemax, idlecnt, EMPTY2); |
1511 | idles [idlecnt - 1] = w; |
1546 | idles [idlecnt - 1] = w; |
1512 | } |
1547 | } |
1513 | |
1548 | |
1514 | void |
1549 | void |
1515 | ev_idle_stop (EV_P_ struct ev_idle *w) |
1550 | ev_idle_stop (EV_P_ ev_idle *w) |
1516 | { |
1551 | { |
1517 | ev_clear_pending (EV_A_ (W)w); |
1552 | ev_clear_pending (EV_A_ (W)w); |
1518 | if (expect_false (!ev_is_active (w))) |
1553 | if (expect_false (!ev_is_active (w))) |
1519 | return; |
1554 | return; |
1520 | |
1555 | |
1521 | idles [((W)w)->active - 1] = idles [--idlecnt]; |
1556 | idles [((W)w)->active - 1] = idles [--idlecnt]; |
1522 | ev_stop (EV_A_ (W)w); |
1557 | ev_stop (EV_A_ (W)w); |
1523 | } |
1558 | } |
1524 | |
1559 | |
1525 | void |
1560 | void |
1526 | ev_prepare_start (EV_P_ struct ev_prepare *w) |
1561 | ev_prepare_start (EV_P_ ev_prepare *w) |
1527 | { |
1562 | { |
1528 | if (expect_false (ev_is_active (w))) |
1563 | if (expect_false (ev_is_active (w))) |
1529 | return; |
1564 | return; |
1530 | |
1565 | |
1531 | ev_start (EV_A_ (W)w, ++preparecnt); |
1566 | ev_start (EV_A_ (W)w, ++preparecnt); |
1532 | array_needsize (struct ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
1567 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
1533 | prepares [preparecnt - 1] = w; |
1568 | prepares [preparecnt - 1] = w; |
1534 | } |
1569 | } |
1535 | |
1570 | |
1536 | void |
1571 | void |
1537 | ev_prepare_stop (EV_P_ struct ev_prepare *w) |
1572 | ev_prepare_stop (EV_P_ ev_prepare *w) |
1538 | { |
1573 | { |
1539 | ev_clear_pending (EV_A_ (W)w); |
1574 | ev_clear_pending (EV_A_ (W)w); |
1540 | if (expect_false (!ev_is_active (w))) |
1575 | if (expect_false (!ev_is_active (w))) |
1541 | return; |
1576 | return; |
1542 | |
1577 | |
1543 | prepares [((W)w)->active - 1] = prepares [--preparecnt]; |
1578 | prepares [((W)w)->active - 1] = prepares [--preparecnt]; |
1544 | ev_stop (EV_A_ (W)w); |
1579 | ev_stop (EV_A_ (W)w); |
1545 | } |
1580 | } |
1546 | |
1581 | |
1547 | void |
1582 | void |
1548 | ev_check_start (EV_P_ struct ev_check *w) |
1583 | ev_check_start (EV_P_ ev_check *w) |
1549 | { |
1584 | { |
1550 | if (expect_false (ev_is_active (w))) |
1585 | if (expect_false (ev_is_active (w))) |
1551 | return; |
1586 | return; |
1552 | |
1587 | |
1553 | ev_start (EV_A_ (W)w, ++checkcnt); |
1588 | ev_start (EV_A_ (W)w, ++checkcnt); |
1554 | array_needsize (struct ev_check *, checks, checkmax, checkcnt, EMPTY2); |
1589 | array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); |
1555 | checks [checkcnt - 1] = w; |
1590 | checks [checkcnt - 1] = w; |
1556 | } |
1591 | } |
1557 | |
1592 | |
1558 | void |
1593 | void |
1559 | ev_check_stop (EV_P_ struct ev_check *w) |
1594 | ev_check_stop (EV_P_ ev_check *w) |
1560 | { |
1595 | { |
1561 | ev_clear_pending (EV_A_ (W)w); |
1596 | ev_clear_pending (EV_A_ (W)w); |
1562 | if (expect_false (!ev_is_active (w))) |
1597 | if (expect_false (!ev_is_active (w))) |
1563 | return; |
1598 | return; |
1564 | |
1599 | |
… | |
… | |
1569 | #ifndef SA_RESTART |
1604 | #ifndef SA_RESTART |
1570 | # define SA_RESTART 0 |
1605 | # define SA_RESTART 0 |
1571 | #endif |
1606 | #endif |
1572 | |
1607 | |
1573 | void |
1608 | void |
1574 | ev_signal_start (EV_P_ struct ev_signal *w) |
1609 | ev_signal_start (EV_P_ ev_signal *w) |
1575 | { |
1610 | { |
1576 | #if EV_MULTIPLICITY |
1611 | #if EV_MULTIPLICITY |
1577 | assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1612 | assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1578 | #endif |
1613 | #endif |
1579 | if (expect_false (ev_is_active (w))) |
1614 | if (expect_false (ev_is_active (w))) |
… | |
… | |
1598 | #endif |
1633 | #endif |
1599 | } |
1634 | } |
1600 | } |
1635 | } |
1601 | |
1636 | |
1602 | void |
1637 | void |
1603 | ev_signal_stop (EV_P_ struct ev_signal *w) |
1638 | ev_signal_stop (EV_P_ ev_signal *w) |
1604 | { |
1639 | { |
1605 | ev_clear_pending (EV_A_ (W)w); |
1640 | ev_clear_pending (EV_A_ (W)w); |
1606 | if (expect_false (!ev_is_active (w))) |
1641 | if (expect_false (!ev_is_active (w))) |
1607 | return; |
1642 | return; |
1608 | |
1643 | |
… | |
… | |
1612 | if (!signals [w->signum - 1].head) |
1647 | if (!signals [w->signum - 1].head) |
1613 | signal (w->signum, SIG_DFL); |
1648 | signal (w->signum, SIG_DFL); |
1614 | } |
1649 | } |
1615 | |
1650 | |
1616 | void |
1651 | void |
1617 | ev_child_start (EV_P_ struct ev_child *w) |
1652 | ev_child_start (EV_P_ ev_child *w) |
1618 | { |
1653 | { |
1619 | #if EV_MULTIPLICITY |
1654 | #if EV_MULTIPLICITY |
1620 | assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1655 | assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1621 | #endif |
1656 | #endif |
1622 | if (expect_false (ev_is_active (w))) |
1657 | if (expect_false (ev_is_active (w))) |
… | |
… | |
1625 | ev_start (EV_A_ (W)w, 1); |
1660 | ev_start (EV_A_ (W)w, 1); |
1626 | wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1661 | wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1627 | } |
1662 | } |
1628 | |
1663 | |
1629 | void |
1664 | void |
1630 | ev_child_stop (EV_P_ struct ev_child *w) |
1665 | ev_child_stop (EV_P_ ev_child *w) |
1631 | { |
1666 | { |
1632 | ev_clear_pending (EV_A_ (W)w); |
1667 | ev_clear_pending (EV_A_ (W)w); |
1633 | if (expect_false (!ev_is_active (w))) |
1668 | if (expect_false (!ev_is_active (w))) |
1634 | return; |
1669 | return; |
1635 | |
1670 | |
1636 | wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1671 | wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1637 | ev_stop (EV_A_ (W)w); |
1672 | ev_stop (EV_A_ (W)w); |
1638 | } |
1673 | } |
1639 | |
1674 | |
|
|
1675 | #if EV_MULTIPLICITY |
|
|
1676 | void |
|
|
1677 | ev_embed_sweep (EV_P_ ev_embed *w) |
|
|
1678 | { |
|
|
1679 | ev_loop (w->loop, EVLOOP_NONBLOCK); |
|
|
1680 | } |
|
|
1681 | |
|
|
1682 | static void |
|
|
1683 | embed_cb (EV_P_ ev_io *io, int revents) |
|
|
1684 | { |
|
|
1685 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
|
|
1686 | |
|
|
1687 | if (ev_cb (w)) |
|
|
1688 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
|
|
1689 | else |
|
|
1690 | ev_embed_sweep (loop, w); |
|
|
1691 | } |
|
|
1692 | |
|
|
1693 | void |
|
|
1694 | ev_embed_start (EV_P_ ev_embed *w) |
|
|
1695 | { |
|
|
1696 | if (expect_false (ev_is_active (w))) |
|
|
1697 | return; |
|
|
1698 | |
|
|
1699 | { |
|
|
1700 | struct ev_loop *loop = w->loop; |
|
|
1701 | assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
|
|
1702 | ev_io_init (&w->io, embed_cb, backend_fd, EV_READ); |
|
|
1703 | } |
|
|
1704 | |
|
|
1705 | ev_set_priority (&w->io, ev_priority (w)); |
|
|
1706 | ev_io_start (EV_A_ &w->io); |
|
|
1707 | ev_start (EV_A_ (W)w, 1); |
|
|
1708 | } |
|
|
1709 | |
|
|
1710 | void |
|
|
1711 | ev_embed_stop (EV_P_ ev_embed *w) |
|
|
1712 | { |
|
|
1713 | ev_clear_pending (EV_A_ (W)w); |
|
|
1714 | if (expect_false (!ev_is_active (w))) |
|
|
1715 | return; |
|
|
1716 | |
|
|
1717 | ev_io_stop (EV_A_ &w->io); |
|
|
1718 | ev_stop (EV_A_ (W)w); |
|
|
1719 | } |
|
|
1720 | #endif |
|
|
1721 | |
1640 | /*****************************************************************************/ |
1722 | /*****************************************************************************/ |
1641 | |
1723 | |
1642 | struct ev_once |
1724 | struct ev_once |
1643 | { |
1725 | { |
1644 | struct ev_io io; |
1726 | ev_io io; |
1645 | struct ev_timer to; |
1727 | ev_timer to; |
1646 | void (*cb)(int revents, void *arg); |
1728 | void (*cb)(int revents, void *arg); |
1647 | void *arg; |
1729 | void *arg; |
1648 | }; |
1730 | }; |
1649 | |
1731 | |
1650 | static void |
1732 | static void |
… | |
… | |
1659 | |
1741 | |
1660 | cb (revents, arg); |
1742 | cb (revents, arg); |
1661 | } |
1743 | } |
1662 | |
1744 | |
1663 | static void |
1745 | static void |
1664 | once_cb_io (EV_P_ struct ev_io *w, int revents) |
1746 | once_cb_io (EV_P_ ev_io *w, int revents) |
1665 | { |
1747 | { |
1666 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, io)), revents); |
1748 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, io)), revents); |
1667 | } |
1749 | } |
1668 | |
1750 | |
1669 | static void |
1751 | static void |
1670 | once_cb_to (EV_P_ struct ev_timer *w, int revents) |
1752 | once_cb_to (EV_P_ ev_timer *w, int revents) |
1671 | { |
1753 | { |
1672 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, to)), revents); |
1754 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, to)), revents); |
1673 | } |
1755 | } |
1674 | |
1756 | |
1675 | void |
1757 | void |