1 | /* |
1 | /* |
2 | * libev event processing core, watcher management |
2 | * libev event processing core, watcher management |
3 | * |
3 | * |
4 | * Copyright (c) 2007 Marc Alexander Lehmann <libev@schmorp.de> |
4 | * Copyright (c) 2007,2008 Marc Alexander Lehmann <libev@schmorp.de> |
5 | * All rights reserved. |
5 | * All rights reserved. |
6 | * |
6 | * |
7 | * Redistribution and use in source and binary forms, with or without |
7 | * Redistribution and use in source and binary forms, with or without modifica- |
8 | * modification, are permitted provided that the following conditions are |
8 | * tion, are permitted provided that the following conditions are met: |
9 | * met: |
9 | * |
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10 | * 1. Redistributions of source code must retain the above copyright notice, |
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11 | * this list of conditions and the following disclaimer. |
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12 | * |
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13 | * 2. Redistributions in binary form must reproduce the above copyright |
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14 | * notice, this list of conditions and the following disclaimer in the |
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15 | * documentation and/or other materials provided with the distribution. |
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16 | * |
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17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED |
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18 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER- |
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19 | * CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO |
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20 | * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE- |
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21 | * CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
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22 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
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23 | * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
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24 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH- |
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25 | * ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
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26 | * OF THE POSSIBILITY OF SUCH DAMAGE. |
10 | * |
27 | * |
11 | * * Redistributions of source code must retain the above copyright |
28 | * Alternatively, the contents of this file may be used under the terms of |
12 | * notice, this list of conditions and the following disclaimer. |
29 | * the GNU General Public License ("GPL") version 2 or any later version, |
13 | * |
30 | * in which case the provisions of the GPL are applicable instead of |
14 | * * Redistributions in binary form must reproduce the above |
31 | * the above. If you wish to allow the use of your version of this file |
15 | * copyright notice, this list of conditions and the following |
32 | * only under the terms of the GPL and not to allow others to use your |
16 | * disclaimer in the documentation and/or other materials provided |
33 | * version of this file under the BSD license, indicate your decision |
17 | * with the distribution. |
34 | * by deleting the provisions above and replace them with the notice |
18 | * |
35 | * and other provisions required by the GPL. If you do not delete the |
19 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
36 | * provisions above, a recipient may use your version of this file under |
20 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
37 | * either the BSD or the GPL. |
21 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
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22 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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23 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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24 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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25 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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26 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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27 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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28 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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29 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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30 | */ |
38 | */ |
31 | |
39 | |
32 | #ifdef __cplusplus |
40 | #ifdef __cplusplus |
33 | extern "C" { |
41 | extern "C" { |
34 | #endif |
42 | #endif |
… | |
… | |
280 | |
288 | |
281 | typedef ev_watcher *W; |
289 | typedef ev_watcher *W; |
282 | typedef ev_watcher_list *WL; |
290 | typedef ev_watcher_list *WL; |
283 | typedef ev_watcher_time *WT; |
291 | typedef ev_watcher_time *WT; |
284 | |
292 | |
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|
293 | #if EV_USE_MONOTONIC |
285 | /* sig_atomic_t is used to avoid per-thread variables or locking but still */ |
294 | /* sig_atomic_t is used to avoid per-thread variables or locking but still */ |
286 | /* giving it a reasonably high chance of working on typical architetcures */ |
295 | /* giving it a reasonably high chance of working on typical architetcures */ |
287 | static sig_atomic_t have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
296 | static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
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|
297 | #endif |
288 | |
298 | |
289 | #ifdef _WIN32 |
299 | #ifdef _WIN32 |
290 | # include "ev_win32.c" |
300 | # include "ev_win32.c" |
291 | #endif |
301 | #endif |
292 | |
302 | |
… | |
… | |
590 | |
600 | |
591 | #if EV_SELECT_IS_WINSOCKET |
601 | #if EV_SELECT_IS_WINSOCKET |
592 | if (events) |
602 | if (events) |
593 | { |
603 | { |
594 | unsigned long argp; |
604 | unsigned long argp; |
|
|
605 | #ifdef EV_FD_TO_WIN32_HANDLE |
|
|
606 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
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|
607 | #else |
595 | anfd->handle = _get_osfhandle (fd); |
608 | anfd->handle = _get_osfhandle (fd); |
|
|
609 | #endif |
596 | assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0)); |
610 | assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0)); |
597 | } |
611 | } |
598 | #endif |
612 | #endif |
599 | |
613 | |
600 | { |
614 | { |
… | |
… | |
749 | /*****************************************************************************/ |
763 | /*****************************************************************************/ |
750 | |
764 | |
751 | typedef struct |
765 | typedef struct |
752 | { |
766 | { |
753 | WL head; |
767 | WL head; |
754 | sig_atomic_t volatile gotsig; |
768 | EV_ATOMIC_T gotsig; |
755 | } ANSIG; |
769 | } ANSIG; |
756 | |
770 | |
757 | static ANSIG *signals; |
771 | static ANSIG *signals; |
758 | static int signalmax; |
772 | static int signalmax; |
759 | |
773 | |
760 | static int sigpipe [2]; |
774 | static EV_ATOMIC_T gotsig; |
761 | static sig_atomic_t volatile gotsig; |
|
|
762 | static ev_io sigev; |
|
|
763 | |
775 | |
764 | void inline_size |
776 | void inline_size |
765 | signals_init (ANSIG *base, int count) |
777 | signals_init (ANSIG *base, int count) |
766 | { |
778 | { |
767 | while (count--) |
779 | while (count--) |
… | |
… | |
771 | |
783 | |
772 | ++base; |
784 | ++base; |
773 | } |
785 | } |
774 | } |
786 | } |
775 | |
787 | |
776 | static void |
788 | /*****************************************************************************/ |
777 | sighandler (int signum) |
|
|
778 | { |
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|
779 | #if _WIN32 |
|
|
780 | signal (signum, sighandler); |
|
|
781 | #endif |
|
|
782 | |
|
|
783 | signals [signum - 1].gotsig = 1; |
|
|
784 | |
|
|
785 | if (!gotsig) |
|
|
786 | { |
|
|
787 | int old_errno = errno; |
|
|
788 | gotsig = 1; |
|
|
789 | write (sigpipe [1], &signum, 1); |
|
|
790 | errno = old_errno; |
|
|
791 | } |
|
|
792 | } |
|
|
793 | |
|
|
794 | void noinline |
|
|
795 | ev_feed_signal_event (EV_P_ int signum) |
|
|
796 | { |
|
|
797 | WL w; |
|
|
798 | |
|
|
799 | #if EV_MULTIPLICITY |
|
|
800 | assert (("feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr)); |
|
|
801 | #endif |
|
|
802 | |
|
|
803 | --signum; |
|
|
804 | |
|
|
805 | if (signum < 0 || signum >= signalmax) |
|
|
806 | return; |
|
|
807 | |
|
|
808 | signals [signum].gotsig = 0; |
|
|
809 | |
|
|
810 | for (w = signals [signum].head; w; w = w->next) |
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811 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
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812 | } |
|
|
813 | |
|
|
814 | static void |
|
|
815 | sigcb (EV_P_ ev_io *iow, int revents) |
|
|
816 | { |
|
|
817 | int signum; |
|
|
818 | |
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819 | read (sigpipe [0], &revents, 1); |
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820 | gotsig = 0; |
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|
821 | |
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822 | for (signum = signalmax; signum--; ) |
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823 | if (signals [signum].gotsig) |
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824 | ev_feed_signal_event (EV_A_ signum + 1); |
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|
825 | } |
|
|
826 | |
789 | |
827 | void inline_speed |
790 | void inline_speed |
828 | fd_intern (int fd) |
791 | fd_intern (int fd) |
829 | { |
792 | { |
830 | #ifdef _WIN32 |
793 | #ifdef _WIN32 |
… | |
… | |
835 | fcntl (fd, F_SETFL, O_NONBLOCK); |
798 | fcntl (fd, F_SETFL, O_NONBLOCK); |
836 | #endif |
799 | #endif |
837 | } |
800 | } |
838 | |
801 | |
839 | static void noinline |
802 | static void noinline |
840 | siginit (EV_P) |
803 | evpipe_init (EV_P) |
841 | { |
804 | { |
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|
805 | if (!ev_is_active (&pipeev)) |
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|
806 | { |
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807 | while (pipe (evpipe)) |
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|
808 | syserr ("(libev) error creating signal/async pipe"); |
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|
809 | |
842 | fd_intern (sigpipe [0]); |
810 | fd_intern (evpipe [0]); |
843 | fd_intern (sigpipe [1]); |
811 | fd_intern (evpipe [1]); |
844 | |
812 | |
845 | ev_io_set (&sigev, sigpipe [0], EV_READ); |
813 | ev_io_set (&pipeev, evpipe [0], EV_READ); |
846 | ev_io_start (EV_A_ &sigev); |
814 | ev_io_start (EV_A_ &pipeev); |
847 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
815 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
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|
816 | } |
|
|
817 | } |
|
|
818 | |
|
|
819 | void inline_size |
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|
820 | evpipe_write (EV_P_ int sig, int async) |
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|
821 | { |
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822 | if (!(gotasync || gotsig)) |
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|
823 | { |
|
|
824 | int old_errno = errno; |
|
|
825 | |
|
|
826 | if (sig) gotsig = 1; |
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|
827 | if (async) gotasync = 1; |
|
|
828 | |
|
|
829 | write (evpipe [1], &old_errno, 1); |
|
|
830 | errno = old_errno; |
|
|
831 | } |
|
|
832 | } |
|
|
833 | |
|
|
834 | static void |
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|
835 | pipecb (EV_P_ ev_io *iow, int revents) |
|
|
836 | { |
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|
837 | { |
|
|
838 | int dummy; |
|
|
839 | read (evpipe [0], &dummy, 1); |
|
|
840 | } |
|
|
841 | |
|
|
842 | if (gotsig) |
|
|
843 | { |
|
|
844 | int signum; |
|
|
845 | gotsig = 0; |
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|
846 | |
|
|
847 | for (signum = signalmax; signum--; ) |
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|
848 | if (signals [signum].gotsig) |
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|
849 | ev_feed_signal_event (EV_A_ signum + 1); |
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|
850 | } |
|
|
851 | |
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|
852 | if (gotasync) |
|
|
853 | { |
|
|
854 | int i; |
|
|
855 | gotasync = 0; |
|
|
856 | |
|
|
857 | for (i = asynccnt; i--; ) |
|
|
858 | if (asyncs [i]->sent) |
|
|
859 | { |
|
|
860 | asyncs [i]->sent = 0; |
|
|
861 | ev_feed_event (EV_A_ asyncs [i], EV_ASYNC); |
|
|
862 | } |
|
|
863 | } |
848 | } |
864 | } |
849 | |
865 | |
850 | /*****************************************************************************/ |
866 | /*****************************************************************************/ |
851 | |
867 | |
|
|
868 | static void |
|
|
869 | sighandler (int signum) |
|
|
870 | { |
|
|
871 | #if EV_MULTIPLICITY |
|
|
872 | struct ev_loop *loop = &default_loop_struct; |
|
|
873 | #endif |
|
|
874 | |
|
|
875 | #if _WIN32 |
|
|
876 | signal (signum, sighandler); |
|
|
877 | #endif |
|
|
878 | |
|
|
879 | signals [signum - 1].gotsig = 1; |
|
|
880 | evpipe_write (EV_A_ 1, 0); |
|
|
881 | } |
|
|
882 | |
|
|
883 | void noinline |
|
|
884 | ev_feed_signal_event (EV_P_ int signum) |
|
|
885 | { |
|
|
886 | WL w; |
|
|
887 | |
|
|
888 | #if EV_MULTIPLICITY |
|
|
889 | assert (("feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr)); |
|
|
890 | #endif |
|
|
891 | |
|
|
892 | --signum; |
|
|
893 | |
|
|
894 | if (signum < 0 || signum >= signalmax) |
|
|
895 | return; |
|
|
896 | |
|
|
897 | signals [signum].gotsig = 0; |
|
|
898 | |
|
|
899 | for (w = signals [signum].head; w; w = w->next) |
|
|
900 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
|
|
901 | } |
|
|
902 | |
|
|
903 | /*****************************************************************************/ |
|
|
904 | |
852 | static WL childs [EV_PID_HASHSIZE]; |
905 | static WL childs [EV_PID_HASHSIZE]; |
853 | |
906 | |
854 | #ifndef _WIN32 |
907 | #ifndef _WIN32 |
855 | |
908 | |
856 | static ev_signal childev; |
909 | static ev_signal childev; |
|
|
910 | |
|
|
911 | #ifndef WIFCONTINUED |
|
|
912 | # define WIFCONTINUED(status) 0 |
|
|
913 | #endif |
857 | |
914 | |
858 | void inline_speed |
915 | void inline_speed |
859 | child_reap (EV_P_ ev_signal *sw, int chain, int pid, int status) |
916 | child_reap (EV_P_ ev_signal *sw, int chain, int pid, int status) |
860 | { |
917 | { |
861 | ev_child *w; |
918 | ev_child *w; |
|
|
919 | int traced = WIFSTOPPED (status) || WIFCONTINUED (status); |
862 | |
920 | |
863 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
921 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
|
|
922 | { |
864 | if (w->pid == pid || !w->pid) |
923 | if ((w->pid == pid || !w->pid) |
|
|
924 | && (!traced || (w->flags & 1))) |
865 | { |
925 | { |
866 | ev_set_priority (w, ev_priority (sw)); /* need to do it *now* */ |
926 | ev_set_priority (w, ev_priority (sw)); /* need to do it *now* */ |
867 | w->rpid = pid; |
927 | w->rpid = pid; |
868 | w->rstatus = status; |
928 | w->rstatus = status; |
869 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
929 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
870 | } |
930 | } |
|
|
931 | } |
871 | } |
932 | } |
872 | |
933 | |
873 | #ifndef WCONTINUED |
934 | #ifndef WCONTINUED |
874 | # define WCONTINUED 0 |
935 | # define WCONTINUED 0 |
875 | #endif |
936 | #endif |
… | |
… | |
972 | } |
1033 | } |
973 | |
1034 | |
974 | unsigned int |
1035 | unsigned int |
975 | ev_embeddable_backends (void) |
1036 | ev_embeddable_backends (void) |
976 | { |
1037 | { |
|
|
1038 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
|
|
1039 | |
977 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
1040 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
978 | return EVBACKEND_KQUEUE |
1041 | /* please fix it and tell me how to detect the fix */ |
979 | | EVBACKEND_PORT; |
1042 | flags &= ~EVBACKEND_EPOLL; |
|
|
1043 | |
|
|
1044 | return flags; |
980 | } |
1045 | } |
981 | |
1046 | |
982 | unsigned int |
1047 | unsigned int |
983 | ev_backend (EV_P) |
1048 | ev_backend (EV_P) |
984 | { |
1049 | { |
… | |
… | |
1058 | #endif |
1123 | #endif |
1059 | #if EV_USE_SELECT |
1124 | #if EV_USE_SELECT |
1060 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
1125 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
1061 | #endif |
1126 | #endif |
1062 | |
1127 | |
1063 | ev_init (&sigev, sigcb); |
1128 | ev_init (&pipeev, pipecb); |
1064 | ev_set_priority (&sigev, EV_MAXPRI); |
1129 | ev_set_priority (&pipeev, EV_MAXPRI); |
1065 | } |
1130 | } |
1066 | } |
1131 | } |
1067 | |
1132 | |
1068 | static void noinline |
1133 | static void noinline |
1069 | loop_destroy (EV_P) |
1134 | loop_destroy (EV_P) |
1070 | { |
1135 | { |
1071 | int i; |
1136 | int i; |
|
|
1137 | |
|
|
1138 | if (ev_is_active (&pipeev)) |
|
|
1139 | { |
|
|
1140 | ev_ref (EV_A); /* signal watcher */ |
|
|
1141 | ev_io_stop (EV_A_ &pipeev); |
|
|
1142 | |
|
|
1143 | close (evpipe [0]); evpipe [0] = 0; |
|
|
1144 | close (evpipe [1]); evpipe [1] = 0; |
|
|
1145 | } |
1072 | |
1146 | |
1073 | #if EV_USE_INOTIFY |
1147 | #if EV_USE_INOTIFY |
1074 | if (fs_fd >= 0) |
1148 | if (fs_fd >= 0) |
1075 | close (fs_fd); |
1149 | close (fs_fd); |
1076 | #endif |
1150 | #endif |
… | |
… | |
1135 | #endif |
1209 | #endif |
1136 | #if EV_USE_INOTIFY |
1210 | #if EV_USE_INOTIFY |
1137 | infy_fork (EV_A); |
1211 | infy_fork (EV_A); |
1138 | #endif |
1212 | #endif |
1139 | |
1213 | |
1140 | if (ev_is_active (&sigev)) |
1214 | if (ev_is_active (&pipeev)) |
1141 | { |
1215 | { |
1142 | /* default loop */ |
1216 | /* this "locks" the handlers against writing to the pipe */ |
|
|
1217 | gotsig = gotasync = 1; |
1143 | |
1218 | |
1144 | ev_ref (EV_A); |
1219 | ev_ref (EV_A); |
1145 | ev_io_stop (EV_A_ &sigev); |
1220 | ev_io_stop (EV_A_ &pipeev); |
1146 | close (sigpipe [0]); |
1221 | close (evpipe [0]); |
1147 | close (sigpipe [1]); |
1222 | close (evpipe [1]); |
1148 | |
1223 | |
1149 | while (pipe (sigpipe)) |
|
|
1150 | syserr ("(libev) error creating pipe"); |
|
|
1151 | |
|
|
1152 | siginit (EV_A); |
1224 | evpipe_init (EV_A); |
|
|
1225 | /* now iterate over everything, in case we missed something */ |
|
|
1226 | pipecb (EV_A_ &pipeev, EV_READ); |
1153 | } |
1227 | } |
1154 | |
1228 | |
1155 | postfork = 0; |
1229 | postfork = 0; |
1156 | } |
1230 | } |
1157 | |
1231 | |
… | |
… | |
1179 | } |
1253 | } |
1180 | |
1254 | |
1181 | void |
1255 | void |
1182 | ev_loop_fork (EV_P) |
1256 | ev_loop_fork (EV_P) |
1183 | { |
1257 | { |
1184 | postfork = 1; |
1258 | postfork = 1; /* must be in line with ev_default_fork */ |
1185 | } |
1259 | } |
1186 | |
1260 | |
1187 | #endif |
1261 | #endif |
1188 | |
1262 | |
1189 | #if EV_MULTIPLICITY |
1263 | #if EV_MULTIPLICITY |
… | |
… | |
1192 | #else |
1266 | #else |
1193 | int |
1267 | int |
1194 | ev_default_loop (unsigned int flags) |
1268 | ev_default_loop (unsigned int flags) |
1195 | #endif |
1269 | #endif |
1196 | { |
1270 | { |
1197 | if (sigpipe [0] == sigpipe [1]) |
|
|
1198 | if (pipe (sigpipe)) |
|
|
1199 | return 0; |
|
|
1200 | |
|
|
1201 | if (!ev_default_loop_ptr) |
1271 | if (!ev_default_loop_ptr) |
1202 | { |
1272 | { |
1203 | #if EV_MULTIPLICITY |
1273 | #if EV_MULTIPLICITY |
1204 | struct ev_loop *loop = ev_default_loop_ptr = &default_loop_struct; |
1274 | struct ev_loop *loop = ev_default_loop_ptr = &default_loop_struct; |
1205 | #else |
1275 | #else |
… | |
… | |
1208 | |
1278 | |
1209 | loop_init (EV_A_ flags); |
1279 | loop_init (EV_A_ flags); |
1210 | |
1280 | |
1211 | if (ev_backend (EV_A)) |
1281 | if (ev_backend (EV_A)) |
1212 | { |
1282 | { |
1213 | siginit (EV_A); |
|
|
1214 | |
|
|
1215 | #ifndef _WIN32 |
1283 | #ifndef _WIN32 |
1216 | ev_signal_init (&childev, childcb, SIGCHLD); |
1284 | ev_signal_init (&childev, childcb, SIGCHLD); |
1217 | ev_set_priority (&childev, EV_MAXPRI); |
1285 | ev_set_priority (&childev, EV_MAXPRI); |
1218 | ev_signal_start (EV_A_ &childev); |
1286 | ev_signal_start (EV_A_ &childev); |
1219 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
1287 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
… | |
… | |
1236 | #ifndef _WIN32 |
1304 | #ifndef _WIN32 |
1237 | ev_ref (EV_A); /* child watcher */ |
1305 | ev_ref (EV_A); /* child watcher */ |
1238 | ev_signal_stop (EV_A_ &childev); |
1306 | ev_signal_stop (EV_A_ &childev); |
1239 | #endif |
1307 | #endif |
1240 | |
1308 | |
1241 | ev_ref (EV_A); /* signal watcher */ |
|
|
1242 | ev_io_stop (EV_A_ &sigev); |
|
|
1243 | |
|
|
1244 | close (sigpipe [0]); sigpipe [0] = 0; |
|
|
1245 | close (sigpipe [1]); sigpipe [1] = 0; |
|
|
1246 | |
|
|
1247 | loop_destroy (EV_A); |
1309 | loop_destroy (EV_A); |
1248 | } |
1310 | } |
1249 | |
1311 | |
1250 | void |
1312 | void |
1251 | ev_default_fork (void) |
1313 | ev_default_fork (void) |
… | |
… | |
1253 | #if EV_MULTIPLICITY |
1315 | #if EV_MULTIPLICITY |
1254 | struct ev_loop *loop = ev_default_loop_ptr; |
1316 | struct ev_loop *loop = ev_default_loop_ptr; |
1255 | #endif |
1317 | #endif |
1256 | |
1318 | |
1257 | if (backend) |
1319 | if (backend) |
1258 | postfork = 1; |
1320 | postfork = 1; /* must be in line with ev_loop_fork */ |
1259 | } |
1321 | } |
1260 | |
1322 | |
1261 | /*****************************************************************************/ |
1323 | /*****************************************************************************/ |
1262 | |
1324 | |
1263 | void |
1325 | void |
… | |
… | |
1837 | #endif |
1899 | #endif |
1838 | if (expect_false (ev_is_active (w))) |
1900 | if (expect_false (ev_is_active (w))) |
1839 | return; |
1901 | return; |
1840 | |
1902 | |
1841 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
1903 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
|
|
1904 | |
|
|
1905 | evpipe_init (EV_A); |
1842 | |
1906 | |
1843 | { |
1907 | { |
1844 | #ifndef _WIN32 |
1908 | #ifndef _WIN32 |
1845 | sigset_t full, prev; |
1909 | sigset_t full, prev; |
1846 | sigfillset (&full); |
1910 | sigfillset (&full); |
… | |
… | |
2360 | |
2424 | |
2361 | ev_stop (EV_A_ (W)w); |
2425 | ev_stop (EV_A_ (W)w); |
2362 | } |
2426 | } |
2363 | #endif |
2427 | #endif |
2364 | |
2428 | |
|
|
2429 | #if EV_ASYNC_ENABLE |
|
|
2430 | void |
|
|
2431 | ev_async_start (EV_P_ ev_async *w) |
|
|
2432 | { |
|
|
2433 | if (expect_false (ev_is_active (w))) |
|
|
2434 | return; |
|
|
2435 | |
|
|
2436 | evpipe_init (EV_A); |
|
|
2437 | |
|
|
2438 | ev_start (EV_A_ (W)w, ++asynccnt); |
|
|
2439 | array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2); |
|
|
2440 | asyncs [asynccnt - 1] = w; |
|
|
2441 | } |
|
|
2442 | |
|
|
2443 | void |
|
|
2444 | ev_async_stop (EV_P_ ev_async *w) |
|
|
2445 | { |
|
|
2446 | clear_pending (EV_A_ (W)w); |
|
|
2447 | if (expect_false (!ev_is_active (w))) |
|
|
2448 | return; |
|
|
2449 | |
|
|
2450 | { |
|
|
2451 | int active = ((W)w)->active; |
|
|
2452 | asyncs [active - 1] = asyncs [--asynccnt]; |
|
|
2453 | ((W)asyncs [active - 1])->active = active; |
|
|
2454 | } |
|
|
2455 | |
|
|
2456 | ev_stop (EV_A_ (W)w); |
|
|
2457 | } |
|
|
2458 | |
|
|
2459 | void |
|
|
2460 | ev_async_send (EV_P_ ev_async *w) |
|
|
2461 | { |
|
|
2462 | w->sent = 1; |
|
|
2463 | evpipe_write (EV_A_ 0, 1); |
|
|
2464 | } |
|
|
2465 | #endif |
|
|
2466 | |
2365 | /*****************************************************************************/ |
2467 | /*****************************************************************************/ |
2366 | |
2468 | |
2367 | struct ev_once |
2469 | struct ev_once |
2368 | { |
2470 | { |
2369 | ev_io io; |
2471 | ev_io io; |