… | |
… | |
154 | # define EV_USE_PORT 0 |
154 | # define EV_USE_PORT 0 |
155 | #endif |
155 | #endif |
156 | |
156 | |
157 | /**/ |
157 | /**/ |
158 | |
158 | |
159 | /* darwin simply cannot be helped */ |
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|
160 | #ifdef __APPLE__ |
|
|
161 | # undef EV_USE_POLL |
|
|
162 | # undef EV_USE_KQUEUE |
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|
163 | #endif |
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|
164 | |
|
|
165 | #ifndef CLOCK_MONOTONIC |
159 | #ifndef CLOCK_MONOTONIC |
166 | # undef EV_USE_MONOTONIC |
160 | # undef EV_USE_MONOTONIC |
167 | # define EV_USE_MONOTONIC 0 |
161 | # define EV_USE_MONOTONIC 0 |
168 | #endif |
162 | #endif |
169 | |
163 | |
… | |
… | |
464 | } |
458 | } |
465 | #endif |
459 | #endif |
466 | |
460 | |
467 | anfd->reify = 0; |
461 | anfd->reify = 0; |
468 | |
462 | |
469 | method_modify (EV_A_ fd, anfd->events, events); |
463 | backend_modify (EV_A_ fd, anfd->events, events); |
470 | anfd->events = events; |
464 | anfd->events = events; |
471 | } |
465 | } |
472 | |
466 | |
473 | fdchangecnt = 0; |
467 | fdchangecnt = 0; |
474 | } |
468 | } |
… | |
… | |
532 | fd_kill (EV_A_ fd); |
526 | fd_kill (EV_A_ fd); |
533 | return; |
527 | return; |
534 | } |
528 | } |
535 | } |
529 | } |
536 | |
530 | |
537 | /* usually called after fork if method needs to re-arm all fds from scratch */ |
531 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
538 | static void |
532 | static void |
539 | fd_rearm_all (EV_P) |
533 | fd_rearm_all (EV_P) |
540 | { |
534 | { |
541 | int fd; |
535 | int fd; |
542 | |
536 | |
… | |
… | |
733 | int pid, status; |
727 | int pid, status; |
734 | |
728 | |
735 | if (0 < (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED))) |
729 | if (0 < (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED))) |
736 | { |
730 | { |
737 | /* make sure we are called again until all childs have been reaped */ |
731 | /* make sure we are called again until all childs have been reaped */ |
|
|
732 | /* 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); |
733 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
739 | |
734 | |
740 | child_reap (EV_A_ sw, pid, pid, status); |
735 | 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 */ |
736 | child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
742 | } |
737 | } |
743 | } |
738 | } |
744 | |
739 | |
745 | #endif |
740 | #endif |
746 | |
741 | |
… | |
… | |
785 | || getgid () != getegid (); |
780 | || getgid () != getegid (); |
786 | #endif |
781 | #endif |
787 | } |
782 | } |
788 | |
783 | |
789 | unsigned int |
784 | unsigned int |
790 | ev_method (EV_P) |
785 | ev_supported_backends (void) |
791 | { |
786 | { |
792 | return method; |
787 | unsigned int flags = 0; |
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|
788 | |
|
|
789 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
|
|
790 | if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; |
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|
791 | if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL; |
|
|
792 | if (EV_USE_POLL ) flags |= EVBACKEND_POLL; |
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|
793 | if (EV_USE_SELECT) flags |= EVBACKEND_SELECT; |
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|
794 | |
|
|
795 | return flags; |
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|
796 | } |
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|
797 | |
|
|
798 | unsigned int |
|
|
799 | ev_recommended_backends (void) |
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|
800 | { |
|
|
801 | unsigned int flags = ev_supported_backends (); |
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|
802 | |
|
|
803 | #ifndef __NetBSD__ |
|
|
804 | /* kqueue is borked on everything but netbsd apparently */ |
|
|
805 | /* it usually doesn't work correctly on anything but sockets and pipes */ |
|
|
806 | flags &= ~EVBACKEND_KQUEUE; |
|
|
807 | #endif |
|
|
808 | #ifdef __APPLE__ |
|
|
809 | // flags &= ~EVBACKEND_KQUEUE; for documentation |
|
|
810 | flags &= ~EVBACKEND_POLL; |
|
|
811 | #endif |
|
|
812 | |
|
|
813 | return flags; |
|
|
814 | } |
|
|
815 | |
|
|
816 | unsigned int |
|
|
817 | ev_backend (EV_P) |
|
|
818 | { |
|
|
819 | return backend; |
793 | } |
820 | } |
794 | |
821 | |
795 | static void |
822 | static void |
796 | loop_init (EV_P_ unsigned int flags) |
823 | loop_init (EV_P_ unsigned int flags) |
797 | { |
824 | { |
798 | if (!method) |
825 | if (!backend) |
799 | { |
826 | { |
800 | #if EV_USE_MONOTONIC |
827 | #if EV_USE_MONOTONIC |
801 | { |
828 | { |
802 | struct timespec ts; |
829 | struct timespec ts; |
803 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
830 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
… | |
… | |
813 | if (!(flags & EVFLAG_NOENV) |
840 | if (!(flags & EVFLAG_NOENV) |
814 | && !enable_secure () |
841 | && !enable_secure () |
815 | && getenv ("LIBEV_FLAGS")) |
842 | && getenv ("LIBEV_FLAGS")) |
816 | flags = atoi (getenv ("LIBEV_FLAGS")); |
843 | flags = atoi (getenv ("LIBEV_FLAGS")); |
817 | |
844 | |
818 | if (!(flags & EVMETHOD_ALL)) |
845 | if (!(flags & 0x0000ffffUL)) |
819 | { |
846 | 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 | |
847 | |
828 | method = 0; |
848 | backend = 0; |
829 | #if EV_USE_PORT |
849 | #if EV_USE_PORT |
830 | if (!method && (flags & EVMETHOD_PORT )) method = port_init (EV_A_ flags); |
850 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
831 | #endif |
851 | #endif |
832 | #if EV_USE_KQUEUE |
852 | #if EV_USE_KQUEUE |
833 | if (!method && (flags & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ flags); |
853 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
834 | #endif |
854 | #endif |
835 | #if EV_USE_EPOLL |
855 | #if EV_USE_EPOLL |
836 | if (!method && (flags & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ flags); |
856 | if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags); |
837 | #endif |
857 | #endif |
838 | #if EV_USE_POLL |
858 | #if EV_USE_POLL |
839 | if (!method && (flags & EVMETHOD_POLL )) method = poll_init (EV_A_ flags); |
859 | if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags); |
840 | #endif |
860 | #endif |
841 | #if EV_USE_SELECT |
861 | #if EV_USE_SELECT |
842 | if (!method && (flags & EVMETHOD_SELECT)) method = select_init (EV_A_ flags); |
862 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
843 | #endif |
863 | #endif |
844 | |
864 | |
845 | ev_init (&sigev, sigcb); |
865 | ev_init (&sigev, sigcb); |
846 | ev_set_priority (&sigev, EV_MAXPRI); |
866 | ev_set_priority (&sigev, EV_MAXPRI); |
847 | } |
867 | } |
… | |
… | |
851 | loop_destroy (EV_P) |
871 | loop_destroy (EV_P) |
852 | { |
872 | { |
853 | int i; |
873 | int i; |
854 | |
874 | |
855 | #if EV_USE_PORT |
875 | #if EV_USE_PORT |
856 | if (method == EVMETHOD_PORT ) port_destroy (EV_A); |
876 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
857 | #endif |
877 | #endif |
858 | #if EV_USE_KQUEUE |
878 | #if EV_USE_KQUEUE |
859 | if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A); |
879 | if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); |
860 | #endif |
880 | #endif |
861 | #if EV_USE_EPOLL |
881 | #if EV_USE_EPOLL |
862 | if (method == EVMETHOD_EPOLL ) epoll_destroy (EV_A); |
882 | if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A); |
863 | #endif |
883 | #endif |
864 | #if EV_USE_POLL |
884 | #if EV_USE_POLL |
865 | if (method == EVMETHOD_POLL ) poll_destroy (EV_A); |
885 | if (backend == EVBACKEND_POLL ) poll_destroy (EV_A); |
866 | #endif |
886 | #endif |
867 | #if EV_USE_SELECT |
887 | #if EV_USE_SELECT |
868 | if (method == EVMETHOD_SELECT) select_destroy (EV_A); |
888 | if (backend == EVBACKEND_SELECT) select_destroy (EV_A); |
869 | #endif |
889 | #endif |
870 | |
890 | |
871 | for (i = NUMPRI; i--; ) |
891 | for (i = NUMPRI; i--; ) |
872 | array_free (pending, [i]); |
892 | array_free (pending, [i]); |
873 | |
893 | |
… | |
… | |
879 | #endif |
899 | #endif |
880 | array_free (idle, EMPTY0); |
900 | array_free (idle, EMPTY0); |
881 | array_free (prepare, EMPTY0); |
901 | array_free (prepare, EMPTY0); |
882 | array_free (check, EMPTY0); |
902 | array_free (check, EMPTY0); |
883 | |
903 | |
884 | method = 0; |
904 | backend = 0; |
885 | } |
905 | } |
886 | |
906 | |
887 | static void |
907 | static void |
888 | loop_fork (EV_P) |
908 | loop_fork (EV_P) |
889 | { |
909 | { |
890 | #if EV_USE_PORT |
910 | #if EV_USE_PORT |
891 | if (method == EVMETHOD_PORT ) port_fork (EV_A); |
911 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
892 | #endif |
912 | #endif |
893 | #if EV_USE_KQUEUE |
913 | #if EV_USE_KQUEUE |
894 | if (method == EVMETHOD_KQUEUE) kqueue_fork (EV_A); |
914 | if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A); |
895 | #endif |
915 | #endif |
896 | #if EV_USE_EPOLL |
916 | #if EV_USE_EPOLL |
897 | if (method == EVMETHOD_EPOLL ) epoll_fork (EV_A); |
917 | if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A); |
898 | #endif |
918 | #endif |
899 | |
919 | |
900 | if (ev_is_active (&sigev)) |
920 | if (ev_is_active (&sigev)) |
901 | { |
921 | { |
902 | /* default loop */ |
922 | /* default loop */ |
… | |
… | |
923 | |
943 | |
924 | memset (loop, 0, sizeof (struct ev_loop)); |
944 | memset (loop, 0, sizeof (struct ev_loop)); |
925 | |
945 | |
926 | loop_init (EV_A_ flags); |
946 | loop_init (EV_A_ flags); |
927 | |
947 | |
928 | if (ev_method (EV_A)) |
948 | if (ev_backend (EV_A)) |
929 | return loop; |
949 | return loop; |
930 | |
950 | |
931 | return 0; |
951 | return 0; |
932 | } |
952 | } |
933 | |
953 | |
… | |
… | |
966 | ev_default_loop_ptr = 1; |
986 | ev_default_loop_ptr = 1; |
967 | #endif |
987 | #endif |
968 | |
988 | |
969 | loop_init (EV_A_ flags); |
989 | loop_init (EV_A_ flags); |
970 | |
990 | |
971 | if (ev_method (EV_A)) |
991 | if (ev_backend (EV_A)) |
972 | { |
992 | { |
973 | siginit (EV_A); |
993 | siginit (EV_A); |
974 | |
994 | |
975 | #ifndef _WIN32 |
995 | #ifndef _WIN32 |
976 | ev_signal_init (&childev, childcb, SIGCHLD); |
996 | ev_signal_init (&childev, childcb, SIGCHLD); |
… | |
… | |
1012 | { |
1032 | { |
1013 | #if EV_MULTIPLICITY |
1033 | #if EV_MULTIPLICITY |
1014 | struct ev_loop *loop = ev_default_loop_ptr; |
1034 | struct ev_loop *loop = ev_default_loop_ptr; |
1015 | #endif |
1035 | #endif |
1016 | |
1036 | |
1017 | if (method) |
1037 | if (backend) |
1018 | postfork = 1; |
1038 | postfork = 1; |
1019 | } |
1039 | } |
1020 | |
1040 | |
1021 | /*****************************************************************************/ |
1041 | /*****************************************************************************/ |
1022 | |
1042 | |
… | |
… | |
1254 | { |
1274 | { |
1255 | block = MAX_BLOCKTIME; |
1275 | block = MAX_BLOCKTIME; |
1256 | |
1276 | |
1257 | if (timercnt) |
1277 | if (timercnt) |
1258 | { |
1278 | { |
1259 | ev_tstamp to = ((WT)timers [0])->at - mn_now + method_fudge; |
1279 | ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge; |
1260 | if (block > to) block = to; |
1280 | if (block > to) block = to; |
1261 | } |
1281 | } |
1262 | |
1282 | |
1263 | #if EV_PERIODICS |
1283 | #if EV_PERIODICS |
1264 | if (periodiccnt) |
1284 | if (periodiccnt) |
1265 | { |
1285 | { |
1266 | ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + method_fudge; |
1286 | ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + backend_fudge; |
1267 | if (block > to) block = to; |
1287 | if (block > to) block = to; |
1268 | } |
1288 | } |
1269 | #endif |
1289 | #endif |
1270 | |
1290 | |
1271 | if (expect_false (block < 0.)) block = 0.; |
1291 | if (expect_false (block < 0.)) block = 0.; |
1272 | } |
1292 | } |
1273 | |
1293 | |
1274 | method_poll (EV_A_ block); |
1294 | backend_poll (EV_A_ block); |
1275 | |
1295 | |
1276 | /* update ev_rt_now, do magic */ |
1296 | /* update ev_rt_now, do magic */ |
1277 | time_update (EV_A); |
1297 | time_update (EV_A); |
1278 | |
1298 | |
1279 | /* queue pending timers and reschedule them */ |
1299 | /* queue pending timers and reschedule them */ |