… | |
… | |
41 | # define EV_USE_MONOTONIC 1 |
41 | # define EV_USE_MONOTONIC 1 |
42 | # endif |
42 | # endif |
43 | # ifndef EV_USE_REALTIME |
43 | # ifndef EV_USE_REALTIME |
44 | # define EV_USE_REALTIME 1 |
44 | # define EV_USE_REALTIME 1 |
45 | # endif |
45 | # endif |
|
|
46 | # else |
|
|
47 | # ifndef EV_USE_MONOTONIC |
|
|
48 | # define EV_USE_MONOTONIC 0 |
|
|
49 | # endif |
|
|
50 | # ifndef EV_USE_REALTIME |
|
|
51 | # define EV_USE_REALTIME 0 |
|
|
52 | # endif |
46 | # endif |
53 | # endif |
47 | |
54 | |
48 | # if HAVE_SELECT && HAVE_SYS_SELECT_H && !defined (EV_USE_SELECT) |
55 | # ifndef EV_USE_SELECT |
|
|
56 | # if HAVE_SELECT && HAVE_SYS_SELECT_H |
49 | # define EV_USE_SELECT 1 |
57 | # define EV_USE_SELECT 1 |
|
|
58 | # else |
|
|
59 | # define EV_USE_SELECT 0 |
|
|
60 | # endif |
50 | # endif |
61 | # endif |
51 | |
62 | |
52 | # if HAVE_POLL && HAVE_POLL_H && !defined (EV_USE_POLL) |
63 | # ifndef EV_USE_POLL |
|
|
64 | # if HAVE_POLL && HAVE_POLL_H |
53 | # define EV_USE_POLL 1 |
65 | # define EV_USE_POLL 1 |
|
|
66 | # else |
|
|
67 | # define EV_USE_POLL 0 |
|
|
68 | # endif |
54 | # endif |
69 | # endif |
55 | |
70 | |
56 | # if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H && !defined (EV_USE_EPOLL) |
71 | # ifndef EV_USE_EPOLL |
|
|
72 | # if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H |
57 | # define EV_USE_EPOLL 1 |
73 | # define EV_USE_EPOLL 1 |
|
|
74 | # else |
|
|
75 | # define EV_USE_EPOLL 0 |
|
|
76 | # endif |
58 | # endif |
77 | # endif |
59 | |
78 | |
|
|
79 | # ifndef EV_USE_KQUEUE |
60 | # if HAVE_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H && !defined (EV_USE_KQUEUE) |
80 | # if HAVE_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H |
61 | # define EV_USE_KQUEUE 1 |
81 | # define EV_USE_KQUEUE 1 |
|
|
82 | # else |
|
|
83 | # define EV_USE_KQUEUE 0 |
|
|
84 | # endif |
62 | # endif |
85 | # endif |
63 | |
86 | |
64 | # if HAVE_PORT_H && HAVE_PORT_CREATE && !defined (EV_USE_PORT) |
87 | # ifndef EV_USE_PORT |
|
|
88 | # if HAVE_PORT_H && HAVE_PORT_CREATE |
65 | # define EV_USE_PORT 1 |
89 | # define EV_USE_PORT 1 |
|
|
90 | # else |
|
|
91 | # define EV_USE_PORT 0 |
|
|
92 | # endif |
66 | # endif |
93 | # endif |
67 | |
94 | |
68 | #endif |
95 | #endif |
69 | |
96 | |
70 | #include <math.h> |
97 | #include <math.h> |
… | |
… | |
126 | #ifndef EV_USE_PORT |
153 | #ifndef EV_USE_PORT |
127 | # define EV_USE_PORT 0 |
154 | # define EV_USE_PORT 0 |
128 | #endif |
155 | #endif |
129 | |
156 | |
130 | /**/ |
157 | /**/ |
131 | |
|
|
132 | /* darwin simply cannot be helped */ |
|
|
133 | #ifdef __APPLE__ |
|
|
134 | # undef EV_USE_POLL |
|
|
135 | # undef EV_USE_KQUEUE |
|
|
136 | #endif |
|
|
137 | |
158 | |
138 | #ifndef CLOCK_MONOTONIC |
159 | #ifndef CLOCK_MONOTONIC |
139 | # undef EV_USE_MONOTONIC |
160 | # undef EV_USE_MONOTONIC |
140 | # define EV_USE_MONOTONIC 0 |
161 | # define EV_USE_MONOTONIC 0 |
141 | #endif |
162 | #endif |
… | |
… | |
437 | } |
458 | } |
438 | #endif |
459 | #endif |
439 | |
460 | |
440 | anfd->reify = 0; |
461 | anfd->reify = 0; |
441 | |
462 | |
442 | method_modify (EV_A_ fd, anfd->events, events); |
463 | backend_modify (EV_A_ fd, anfd->events, events); |
443 | anfd->events = events; |
464 | anfd->events = events; |
444 | } |
465 | } |
445 | |
466 | |
446 | fdchangecnt = 0; |
467 | fdchangecnt = 0; |
447 | } |
468 | } |
… | |
… | |
505 | fd_kill (EV_A_ fd); |
526 | fd_kill (EV_A_ fd); |
506 | return; |
527 | return; |
507 | } |
528 | } |
508 | } |
529 | } |
509 | |
530 | |
510 | /* 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 */ |
511 | static void |
532 | static void |
512 | fd_rearm_all (EV_P) |
533 | fd_rearm_all (EV_P) |
513 | { |
534 | { |
514 | int fd; |
535 | int fd; |
515 | |
536 | |
… | |
… | |
706 | int pid, status; |
727 | int pid, status; |
707 | |
728 | |
708 | if (0 < (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED))) |
729 | if (0 < (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED))) |
709 | { |
730 | { |
710 | /* 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 */ |
711 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
733 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
712 | |
734 | |
713 | child_reap (EV_A_ sw, pid, pid, status); |
735 | child_reap (EV_A_ sw, pid, pid, status); |
714 | 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 */ |
715 | } |
737 | } |
716 | } |
738 | } |
717 | |
739 | |
718 | #endif |
740 | #endif |
719 | |
741 | |
… | |
… | |
758 | || getgid () != getegid (); |
780 | || getgid () != getegid (); |
759 | #endif |
781 | #endif |
760 | } |
782 | } |
761 | |
783 | |
762 | unsigned int |
784 | unsigned int |
763 | ev_method (EV_P) |
785 | ev_supported_backends (void) |
764 | { |
786 | { |
765 | return method; |
787 | unsigned int flags = 0; |
|
|
788 | |
|
|
789 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
|
|
790 | if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; |
|
|
791 | if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL; |
|
|
792 | if (EV_USE_POLL ) flags |= EVBACKEND_POLL; |
|
|
793 | if (EV_USE_SELECT) flags |= EVBACKEND_SELECT; |
|
|
794 | |
|
|
795 | return flags; |
|
|
796 | } |
|
|
797 | |
|
|
798 | unsigned int |
|
|
799 | ev_recommended_backends (void) |
|
|
800 | { |
|
|
801 | unsigned int flags = ev_supported_backends (); |
|
|
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; |
766 | } |
820 | } |
767 | |
821 | |
768 | static void |
822 | static void |
769 | loop_init (EV_P_ unsigned int flags) |
823 | loop_init (EV_P_ unsigned int flags) |
770 | { |
824 | { |
771 | if (!method) |
825 | if (!backend) |
772 | { |
826 | { |
773 | #if EV_USE_MONOTONIC |
827 | #if EV_USE_MONOTONIC |
774 | { |
828 | { |
775 | struct timespec ts; |
829 | struct timespec ts; |
776 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
830 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
… | |
… | |
781 | ev_rt_now = ev_time (); |
835 | ev_rt_now = ev_time (); |
782 | mn_now = get_clock (); |
836 | mn_now = get_clock (); |
783 | now_floor = mn_now; |
837 | now_floor = mn_now; |
784 | rtmn_diff = ev_rt_now - mn_now; |
838 | rtmn_diff = ev_rt_now - mn_now; |
785 | |
839 | |
786 | if (!(flags & EVFLAG_NOENV) && !enable_secure () && getenv ("LIBEV_FLAGS")) |
840 | if (!(flags & EVFLAG_NOENV) |
|
|
841 | && !enable_secure () |
|
|
842 | && getenv ("LIBEV_FLAGS")) |
787 | flags = atoi (getenv ("LIBEV_FLAGS")); |
843 | flags = atoi (getenv ("LIBEV_FLAGS")); |
788 | |
844 | |
789 | if (!(flags & 0x0000ffff)) |
845 | if (!(flags & 0x0000ffffUL)) |
790 | flags |= 0x0000ffff; |
846 | flags |= ev_recommended_backends (); |
791 | |
847 | |
792 | method = 0; |
848 | backend = 0; |
793 | #if EV_USE_PORT |
849 | #if EV_USE_PORT |
794 | if (!method && (flags & EVMETHOD_PORT )) method = port_init (EV_A_ flags); |
850 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
795 | #endif |
851 | #endif |
796 | #if EV_USE_KQUEUE |
852 | #if EV_USE_KQUEUE |
797 | if (!method && (flags & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ flags); |
853 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
798 | #endif |
854 | #endif |
799 | #if EV_USE_EPOLL |
855 | #if EV_USE_EPOLL |
800 | if (!method && (flags & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ flags); |
856 | if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags); |
801 | #endif |
857 | #endif |
802 | #if EV_USE_POLL |
858 | #if EV_USE_POLL |
803 | if (!method && (flags & EVMETHOD_POLL )) method = poll_init (EV_A_ flags); |
859 | if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags); |
804 | #endif |
860 | #endif |
805 | #if EV_USE_SELECT |
861 | #if EV_USE_SELECT |
806 | if (!method && (flags & EVMETHOD_SELECT)) method = select_init (EV_A_ flags); |
862 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
807 | #endif |
863 | #endif |
808 | |
864 | |
809 | ev_init (&sigev, sigcb); |
865 | ev_init (&sigev, sigcb); |
810 | ev_set_priority (&sigev, EV_MAXPRI); |
866 | ev_set_priority (&sigev, EV_MAXPRI); |
811 | } |
867 | } |
… | |
… | |
815 | loop_destroy (EV_P) |
871 | loop_destroy (EV_P) |
816 | { |
872 | { |
817 | int i; |
873 | int i; |
818 | |
874 | |
819 | #if EV_USE_PORT |
875 | #if EV_USE_PORT |
820 | if (method == EVMETHOD_PORT ) port_destroy (EV_A); |
876 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
821 | #endif |
877 | #endif |
822 | #if EV_USE_KQUEUE |
878 | #if EV_USE_KQUEUE |
823 | if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A); |
879 | if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); |
824 | #endif |
880 | #endif |
825 | #if EV_USE_EPOLL |
881 | #if EV_USE_EPOLL |
826 | if (method == EVMETHOD_EPOLL ) epoll_destroy (EV_A); |
882 | if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A); |
827 | #endif |
883 | #endif |
828 | #if EV_USE_POLL |
884 | #if EV_USE_POLL |
829 | if (method == EVMETHOD_POLL ) poll_destroy (EV_A); |
885 | if (backend == EVBACKEND_POLL ) poll_destroy (EV_A); |
830 | #endif |
886 | #endif |
831 | #if EV_USE_SELECT |
887 | #if EV_USE_SELECT |
832 | if (method == EVMETHOD_SELECT) select_destroy (EV_A); |
888 | if (backend == EVBACKEND_SELECT) select_destroy (EV_A); |
833 | #endif |
889 | #endif |
834 | |
890 | |
835 | for (i = NUMPRI; i--; ) |
891 | for (i = NUMPRI; i--; ) |
836 | array_free (pending, [i]); |
892 | array_free (pending, [i]); |
837 | |
893 | |
… | |
… | |
843 | #endif |
899 | #endif |
844 | array_free (idle, EMPTY0); |
900 | array_free (idle, EMPTY0); |
845 | array_free (prepare, EMPTY0); |
901 | array_free (prepare, EMPTY0); |
846 | array_free (check, EMPTY0); |
902 | array_free (check, EMPTY0); |
847 | |
903 | |
848 | method = 0; |
904 | backend = 0; |
849 | } |
905 | } |
850 | |
906 | |
851 | static void |
907 | static void |
852 | loop_fork (EV_P) |
908 | loop_fork (EV_P) |
853 | { |
909 | { |
854 | #if EV_USE_PORT |
910 | #if EV_USE_PORT |
855 | if (method == EVMETHOD_PORT ) port_fork (EV_A); |
911 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
856 | #endif |
912 | #endif |
857 | #if EV_USE_KQUEUE |
913 | #if EV_USE_KQUEUE |
858 | if (method == EVMETHOD_KQUEUE) kqueue_fork (EV_A); |
914 | if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A); |
859 | #endif |
915 | #endif |
860 | #if EV_USE_EPOLL |
916 | #if EV_USE_EPOLL |
861 | if (method == EVMETHOD_EPOLL ) epoll_fork (EV_A); |
917 | if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A); |
862 | #endif |
918 | #endif |
863 | |
919 | |
864 | if (ev_is_active (&sigev)) |
920 | if (ev_is_active (&sigev)) |
865 | { |
921 | { |
866 | /* default loop */ |
922 | /* default loop */ |
… | |
… | |
887 | |
943 | |
888 | memset (loop, 0, sizeof (struct ev_loop)); |
944 | memset (loop, 0, sizeof (struct ev_loop)); |
889 | |
945 | |
890 | loop_init (EV_A_ flags); |
946 | loop_init (EV_A_ flags); |
891 | |
947 | |
892 | if (ev_method (EV_A)) |
948 | if (ev_backend (EV_A)) |
893 | return loop; |
949 | return loop; |
894 | |
950 | |
895 | return 0; |
951 | return 0; |
896 | } |
952 | } |
897 | |
953 | |
… | |
… | |
930 | ev_default_loop_ptr = 1; |
986 | ev_default_loop_ptr = 1; |
931 | #endif |
987 | #endif |
932 | |
988 | |
933 | loop_init (EV_A_ flags); |
989 | loop_init (EV_A_ flags); |
934 | |
990 | |
935 | if (ev_method (EV_A)) |
991 | if (ev_backend (EV_A)) |
936 | { |
992 | { |
937 | siginit (EV_A); |
993 | siginit (EV_A); |
938 | |
994 | |
939 | #ifndef _WIN32 |
995 | #ifndef _WIN32 |
940 | ev_signal_init (&childev, childcb, SIGCHLD); |
996 | ev_signal_init (&childev, childcb, SIGCHLD); |
… | |
… | |
976 | { |
1032 | { |
977 | #if EV_MULTIPLICITY |
1033 | #if EV_MULTIPLICITY |
978 | struct ev_loop *loop = ev_default_loop_ptr; |
1034 | struct ev_loop *loop = ev_default_loop_ptr; |
979 | #endif |
1035 | #endif |
980 | |
1036 | |
981 | if (method) |
1037 | if (backend) |
982 | postfork = 1; |
1038 | postfork = 1; |
983 | } |
1039 | } |
984 | |
1040 | |
985 | /*****************************************************************************/ |
1041 | /*****************************************************************************/ |
986 | |
1042 | |
… | |
… | |
1218 | { |
1274 | { |
1219 | block = MAX_BLOCKTIME; |
1275 | block = MAX_BLOCKTIME; |
1220 | |
1276 | |
1221 | if (timercnt) |
1277 | if (timercnt) |
1222 | { |
1278 | { |
1223 | ev_tstamp to = ((WT)timers [0])->at - mn_now + method_fudge; |
1279 | ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge; |
1224 | if (block > to) block = to; |
1280 | if (block > to) block = to; |
1225 | } |
1281 | } |
1226 | |
1282 | |
1227 | #if EV_PERIODICS |
1283 | #if EV_PERIODICS |
1228 | if (periodiccnt) |
1284 | if (periodiccnt) |
1229 | { |
1285 | { |
1230 | 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; |
1231 | if (block > to) block = to; |
1287 | if (block > to) block = to; |
1232 | } |
1288 | } |
1233 | #endif |
1289 | #endif |
1234 | |
1290 | |
1235 | if (expect_false (block < 0.)) block = 0.; |
1291 | if (expect_false (block < 0.)) block = 0.; |
1236 | } |
1292 | } |
1237 | |
1293 | |
1238 | method_poll (EV_A_ block); |
1294 | backend_poll (EV_A_ block); |
1239 | |
1295 | |
1240 | /* update ev_rt_now, do magic */ |
1296 | /* update ev_rt_now, do magic */ |
1241 | time_update (EV_A); |
1297 | time_update (EV_A); |
1242 | |
1298 | |
1243 | /* queue pending timers and reschedule them */ |
1299 | /* queue pending timers and reschedule them */ |