… | |
… | |
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 | |
… | |
… | |
399 | { |
397 | { |
400 | pendings [ABSPRI (w_)][w_->pending - 1].events |= revents; |
398 | pendings [ABSPRI (w_)][w_->pending - 1].events |= revents; |
401 | return; |
399 | return; |
402 | } |
400 | } |
403 | |
401 | |
|
|
402 | if (expect_false (!w_->cb)) |
|
|
403 | return; |
|
|
404 | |
404 | w_->pending = ++pendingcnt [ABSPRI (w_)]; |
405 | w_->pending = ++pendingcnt [ABSPRI (w_)]; |
405 | array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], EMPTY2); |
406 | array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], EMPTY2); |
406 | pendings [ABSPRI (w_)][w_->pending - 1].w = w_; |
407 | pendings [ABSPRI (w_)][w_->pending - 1].w = w_; |
407 | pendings [ABSPRI (w_)][w_->pending - 1].events = revents; |
408 | pendings [ABSPRI (w_)][w_->pending - 1].events = revents; |
408 | } |
409 | } |
… | |
… | |
464 | } |
465 | } |
465 | #endif |
466 | #endif |
466 | |
467 | |
467 | anfd->reify = 0; |
468 | anfd->reify = 0; |
468 | |
469 | |
469 | method_modify (EV_A_ fd, anfd->events, events); |
470 | backend_modify (EV_A_ fd, anfd->events, events); |
470 | anfd->events = events; |
471 | anfd->events = events; |
471 | } |
472 | } |
472 | |
473 | |
473 | fdchangecnt = 0; |
474 | fdchangecnt = 0; |
474 | } |
475 | } |
… | |
… | |
532 | fd_kill (EV_A_ fd); |
533 | fd_kill (EV_A_ fd); |
533 | return; |
534 | return; |
534 | } |
535 | } |
535 | } |
536 | } |
536 | |
537 | |
537 | /* usually called after fork if method needs to re-arm all fds from scratch */ |
538 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
538 | static void |
539 | static void |
539 | fd_rearm_all (EV_P) |
540 | fd_rearm_all (EV_P) |
540 | { |
541 | { |
541 | int fd; |
542 | int fd; |
542 | |
543 | |
… | |
… | |
733 | int pid, status; |
734 | int pid, status; |
734 | |
735 | |
735 | if (0 < (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED))) |
736 | if (0 < (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED))) |
736 | { |
737 | { |
737 | /* make sure we are called again until all childs have been reaped */ |
738 | /* make sure we are called again until all childs have been reaped */ |
|
|
739 | /* 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); |
740 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
739 | |
741 | |
740 | child_reap (EV_A_ sw, pid, pid, status); |
742 | 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 */ |
743 | child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
742 | } |
744 | } |
743 | } |
745 | } |
744 | |
746 | |
745 | #endif |
747 | #endif |
746 | |
748 | |
… | |
… | |
785 | || getgid () != getegid (); |
787 | || getgid () != getegid (); |
786 | #endif |
788 | #endif |
787 | } |
789 | } |
788 | |
790 | |
789 | unsigned int |
791 | unsigned int |
790 | ev_method (EV_P) |
792 | ev_supported_backends (void) |
791 | { |
793 | { |
792 | return method; |
794 | unsigned int flags = 0; |
|
|
795 | |
|
|
796 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
|
|
797 | if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; |
|
|
798 | if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL; |
|
|
799 | if (EV_USE_POLL ) flags |= EVBACKEND_POLL; |
|
|
800 | if (EV_USE_SELECT) flags |= EVBACKEND_SELECT; |
|
|
801 | |
|
|
802 | return flags; |
|
|
803 | } |
|
|
804 | |
|
|
805 | unsigned int |
|
|
806 | ev_recommended_backends (void) |
|
|
807 | { |
|
|
808 | unsigned int flags = ev_supported_backends (); |
|
|
809 | |
|
|
810 | #ifndef __NetBSD__ |
|
|
811 | /* kqueue is borked on everything but netbsd apparently */ |
|
|
812 | /* it usually doesn't work correctly on anything but sockets and pipes */ |
|
|
813 | flags &= ~EVBACKEND_KQUEUE; |
|
|
814 | #endif |
|
|
815 | #ifdef __APPLE__ |
|
|
816 | // flags &= ~EVBACKEND_KQUEUE; for documentation |
|
|
817 | flags &= ~EVBACKEND_POLL; |
|
|
818 | #endif |
|
|
819 | |
|
|
820 | return flags; |
|
|
821 | } |
|
|
822 | |
|
|
823 | unsigned int |
|
|
824 | ev_embeddable_backends (void) |
|
|
825 | { |
|
|
826 | return EVBACKEND_EPOLL |
|
|
827 | | EVBACKEND_KQUEUE |
|
|
828 | | EVBACKEND_PORT; |
|
|
829 | } |
|
|
830 | |
|
|
831 | unsigned int |
|
|
832 | ev_backend (EV_P) |
|
|
833 | { |
|
|
834 | return backend; |
793 | } |
835 | } |
794 | |
836 | |
795 | static void |
837 | static void |
796 | loop_init (EV_P_ unsigned int flags) |
838 | loop_init (EV_P_ unsigned int flags) |
797 | { |
839 | { |
798 | if (!method) |
840 | if (!backend) |
799 | { |
841 | { |
800 | #if EV_USE_MONOTONIC |
842 | #if EV_USE_MONOTONIC |
801 | { |
843 | { |
802 | struct timespec ts; |
844 | struct timespec ts; |
803 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
845 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
… | |
… | |
813 | if (!(flags & EVFLAG_NOENV) |
855 | if (!(flags & EVFLAG_NOENV) |
814 | && !enable_secure () |
856 | && !enable_secure () |
815 | && getenv ("LIBEV_FLAGS")) |
857 | && getenv ("LIBEV_FLAGS")) |
816 | flags = atoi (getenv ("LIBEV_FLAGS")); |
858 | flags = atoi (getenv ("LIBEV_FLAGS")); |
817 | |
859 | |
818 | if (!(flags & EVMETHOD_ALL)) |
860 | if (!(flags & 0x0000ffffUL)) |
819 | { |
861 | 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 | |
862 | |
828 | method = 0; |
863 | backend = 0; |
829 | #if EV_USE_PORT |
864 | #if EV_USE_PORT |
830 | if (!method && (flags & EVMETHOD_PORT )) method = port_init (EV_A_ flags); |
865 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
831 | #endif |
866 | #endif |
832 | #if EV_USE_KQUEUE |
867 | #if EV_USE_KQUEUE |
833 | if (!method && (flags & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ flags); |
868 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
834 | #endif |
869 | #endif |
835 | #if EV_USE_EPOLL |
870 | #if EV_USE_EPOLL |
836 | if (!method && (flags & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ flags); |
871 | if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags); |
837 | #endif |
872 | #endif |
838 | #if EV_USE_POLL |
873 | #if EV_USE_POLL |
839 | if (!method && (flags & EVMETHOD_POLL )) method = poll_init (EV_A_ flags); |
874 | if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags); |
840 | #endif |
875 | #endif |
841 | #if EV_USE_SELECT |
876 | #if EV_USE_SELECT |
842 | if (!method && (flags & EVMETHOD_SELECT)) method = select_init (EV_A_ flags); |
877 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
843 | #endif |
878 | #endif |
844 | |
879 | |
845 | ev_init (&sigev, sigcb); |
880 | ev_init (&sigev, sigcb); |
846 | ev_set_priority (&sigev, EV_MAXPRI); |
881 | ev_set_priority (&sigev, EV_MAXPRI); |
847 | } |
882 | } |
… | |
… | |
851 | loop_destroy (EV_P) |
886 | loop_destroy (EV_P) |
852 | { |
887 | { |
853 | int i; |
888 | int i; |
854 | |
889 | |
855 | #if EV_USE_PORT |
890 | #if EV_USE_PORT |
856 | if (method == EVMETHOD_PORT ) port_destroy (EV_A); |
891 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
857 | #endif |
892 | #endif |
858 | #if EV_USE_KQUEUE |
893 | #if EV_USE_KQUEUE |
859 | if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A); |
894 | if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); |
860 | #endif |
895 | #endif |
861 | #if EV_USE_EPOLL |
896 | #if EV_USE_EPOLL |
862 | if (method == EVMETHOD_EPOLL ) epoll_destroy (EV_A); |
897 | if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A); |
863 | #endif |
898 | #endif |
864 | #if EV_USE_POLL |
899 | #if EV_USE_POLL |
865 | if (method == EVMETHOD_POLL ) poll_destroy (EV_A); |
900 | if (backend == EVBACKEND_POLL ) poll_destroy (EV_A); |
866 | #endif |
901 | #endif |
867 | #if EV_USE_SELECT |
902 | #if EV_USE_SELECT |
868 | if (method == EVMETHOD_SELECT) select_destroy (EV_A); |
903 | if (backend == EVBACKEND_SELECT) select_destroy (EV_A); |
869 | #endif |
904 | #endif |
870 | |
905 | |
871 | for (i = NUMPRI; i--; ) |
906 | for (i = NUMPRI; i--; ) |
872 | array_free (pending, [i]); |
907 | array_free (pending, [i]); |
873 | |
908 | |
… | |
… | |
879 | #endif |
914 | #endif |
880 | array_free (idle, EMPTY0); |
915 | array_free (idle, EMPTY0); |
881 | array_free (prepare, EMPTY0); |
916 | array_free (prepare, EMPTY0); |
882 | array_free (check, EMPTY0); |
917 | array_free (check, EMPTY0); |
883 | |
918 | |
884 | method = 0; |
919 | backend = 0; |
885 | } |
920 | } |
886 | |
921 | |
887 | static void |
922 | static void |
888 | loop_fork (EV_P) |
923 | loop_fork (EV_P) |
889 | { |
924 | { |
890 | #if EV_USE_PORT |
925 | #if EV_USE_PORT |
891 | if (method == EVMETHOD_PORT ) port_fork (EV_A); |
926 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
892 | #endif |
927 | #endif |
893 | #if EV_USE_KQUEUE |
928 | #if EV_USE_KQUEUE |
894 | if (method == EVMETHOD_KQUEUE) kqueue_fork (EV_A); |
929 | if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A); |
895 | #endif |
930 | #endif |
896 | #if EV_USE_EPOLL |
931 | #if EV_USE_EPOLL |
897 | if (method == EVMETHOD_EPOLL ) epoll_fork (EV_A); |
932 | if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A); |
898 | #endif |
933 | #endif |
899 | |
934 | |
900 | if (ev_is_active (&sigev)) |
935 | if (ev_is_active (&sigev)) |
901 | { |
936 | { |
902 | /* default loop */ |
937 | /* default loop */ |
… | |
… | |
923 | |
958 | |
924 | memset (loop, 0, sizeof (struct ev_loop)); |
959 | memset (loop, 0, sizeof (struct ev_loop)); |
925 | |
960 | |
926 | loop_init (EV_A_ flags); |
961 | loop_init (EV_A_ flags); |
927 | |
962 | |
928 | if (ev_method (EV_A)) |
963 | if (ev_backend (EV_A)) |
929 | return loop; |
964 | return loop; |
930 | |
965 | |
931 | return 0; |
966 | return 0; |
932 | } |
967 | } |
933 | |
968 | |
… | |
… | |
966 | ev_default_loop_ptr = 1; |
1001 | ev_default_loop_ptr = 1; |
967 | #endif |
1002 | #endif |
968 | |
1003 | |
969 | loop_init (EV_A_ flags); |
1004 | loop_init (EV_A_ flags); |
970 | |
1005 | |
971 | if (ev_method (EV_A)) |
1006 | if (ev_backend (EV_A)) |
972 | { |
1007 | { |
973 | siginit (EV_A); |
1008 | siginit (EV_A); |
974 | |
1009 | |
975 | #ifndef _WIN32 |
1010 | #ifndef _WIN32 |
976 | ev_signal_init (&childev, childcb, SIGCHLD); |
1011 | ev_signal_init (&childev, childcb, SIGCHLD); |
… | |
… | |
1012 | { |
1047 | { |
1013 | #if EV_MULTIPLICITY |
1048 | #if EV_MULTIPLICITY |
1014 | struct ev_loop *loop = ev_default_loop_ptr; |
1049 | struct ev_loop *loop = ev_default_loop_ptr; |
1015 | #endif |
1050 | #endif |
1016 | |
1051 | |
1017 | if (method) |
1052 | if (backend) |
1018 | postfork = 1; |
1053 | postfork = 1; |
1019 | } |
1054 | } |
1020 | |
1055 | |
1021 | /*****************************************************************************/ |
1056 | /*****************************************************************************/ |
1022 | |
1057 | |
… | |
… | |
1254 | { |
1289 | { |
1255 | block = MAX_BLOCKTIME; |
1290 | block = MAX_BLOCKTIME; |
1256 | |
1291 | |
1257 | if (timercnt) |
1292 | if (timercnt) |
1258 | { |
1293 | { |
1259 | ev_tstamp to = ((WT)timers [0])->at - mn_now + method_fudge; |
1294 | ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge; |
1260 | if (block > to) block = to; |
1295 | if (block > to) block = to; |
1261 | } |
1296 | } |
1262 | |
1297 | |
1263 | #if EV_PERIODICS |
1298 | #if EV_PERIODICS |
1264 | if (periodiccnt) |
1299 | if (periodiccnt) |
1265 | { |
1300 | { |
1266 | ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + method_fudge; |
1301 | ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + backend_fudge; |
1267 | if (block > to) block = to; |
1302 | if (block > to) block = to; |
1268 | } |
1303 | } |
1269 | #endif |
1304 | #endif |
1270 | |
1305 | |
1271 | if (expect_false (block < 0.)) block = 0.; |
1306 | if (expect_false (block < 0.)) block = 0.; |
1272 | } |
1307 | } |
1273 | |
1308 | |
1274 | method_poll (EV_A_ block); |
1309 | backend_poll (EV_A_ block); |
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 */ |
… | |
… | |
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 | static void |
|
|
1677 | embed_cb (EV_P_ struct ev_io *io, int revents) |
|
|
1678 | { |
|
|
1679 | struct ev_embed *w = (struct ev_embed *)(((char *)io) - offsetof (struct ev_embed, io)); |
|
|
1680 | |
|
|
1681 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
|
|
1682 | ev_loop (w->loop, EVLOOP_NONBLOCK); |
|
|
1683 | } |
|
|
1684 | |
|
|
1685 | void |
|
|
1686 | ev_embed_start (EV_P_ struct ev_embed *w) |
|
|
1687 | { |
|
|
1688 | if (expect_false (ev_is_active (w))) |
|
|
1689 | return; |
|
|
1690 | |
|
|
1691 | { |
|
|
1692 | struct ev_loop *loop = w->loop; |
|
|
1693 | assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
|
|
1694 | ev_io_init (&w->io, embed_cb, backend_fd, EV_READ); |
|
|
1695 | } |
|
|
1696 | |
|
|
1697 | ev_io_start (EV_A_ &w->io); |
|
|
1698 | ev_start (EV_A_ (W)w, 1); |
|
|
1699 | } |
|
|
1700 | |
|
|
1701 | void |
|
|
1702 | ev_embed_stop (EV_P_ struct ev_embed *w) |
|
|
1703 | { |
|
|
1704 | ev_clear_pending (EV_A_ (W)w); |
|
|
1705 | if (expect_false (!ev_is_active (w))) |
|
|
1706 | return; |
|
|
1707 | |
|
|
1708 | ev_io_stop (EV_A_ &w->io); |
|
|
1709 | ev_stop (EV_A_ (W)w); |
|
|
1710 | } |
|
|
1711 | #endif |
|
|
1712 | |
1640 | /*****************************************************************************/ |
1713 | /*****************************************************************************/ |
1641 | |
1714 | |
1642 | struct ev_once |
1715 | struct ev_once |
1643 | { |
1716 | { |
1644 | struct ev_io io; |
1717 | struct ev_io io; |