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Comparing libev/ev.c (file contents):
Revision 1.198 by root, Sun Dec 23 04:45:51 2007 UTC vs.
Revision 1.216 by root, Sat Mar 8 07:04:55 2008 UTC

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 *
10 * 1. Redistributions of source code must retain the above copyright notice,
11 * this list of conditions and the following disclaimer.
12 *
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
18 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER-
19 * CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
20 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE-
21 * CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
22 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
23 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
24 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH-
25 * ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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
22 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
23 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
24 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
25 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
29 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 */ 38 */
31 39
32#ifdef __cplusplus 40#ifdef __cplusplus
33extern "C" { 41extern "C" {
34#endif 42#endif
… …
283typedef ev_watcher_time *WT; 291typedef ev_watcher_time *WT;
284 292
285#if EV_USE_MONOTONIC 293#if EV_USE_MONOTONIC
286/* 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 */
287/* giving it a reasonably high chance of working on typical architetcures */ 295/* giving it a reasonably high chance of working on typical architetcures */
288static sig_atomic_t have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ 296static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */
289#endif 297#endif
290 298
291#ifdef _WIN32 299#ifdef _WIN32
292# include "ev_win32.c" 300# include "ev_win32.c"
293#endif 301#endif
… …
592 600
593#if EV_SELECT_IS_WINSOCKET 601#if EV_SELECT_IS_WINSOCKET
594 if (events) 602 if (events)
595 { 603 {
596 unsigned long argp; 604 unsigned long argp;
605 #ifdef EV_FD_TO_WIN32_HANDLE
606 anfd->handle = EV_FD_TO_WIN32_HANDLE (fd);
607 #else
597 anfd->handle = _get_osfhandle (fd); 608 anfd->handle = _get_osfhandle (fd);
609 #endif
598 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));
599 } 611 }
600#endif 612#endif
601 613
602 { 614 {
… …
751/*****************************************************************************/ 763/*****************************************************************************/
752 764
753typedef struct 765typedef struct
754{ 766{
755 WL head; 767 WL head;
756 sig_atomic_t volatile gotsig; 768 EV_ATOMIC_T gotsig;
757} ANSIG; 769} ANSIG;
758 770
759static ANSIG *signals; 771static ANSIG *signals;
760static int signalmax; 772static int signalmax;
761 773
762static int sigpipe [2]; 774static EV_ATOMIC_T gotsig;
763static sig_atomic_t volatile gotsig;
764static ev_io sigev;
765 775
766void inline_size 776void inline_size
767signals_init (ANSIG *base, int count) 777signals_init (ANSIG *base, int count)
768{ 778{
769 while (count--) 779 while (count--)
… …
773 783
774 ++base; 784 ++base;
775 } 785 }
776} 786}
777 787
778static void 788/*****************************************************************************/
779sighandler (int signum)
780{
781#if _WIN32
782 signal (signum, sighandler);
783#endif
784
785 signals [signum - 1].gotsig = 1;
786
787 if (!gotsig)
788 {
789 int old_errno = errno;
790 gotsig = 1;
791 write (sigpipe [1], &signum, 1);
792 errno = old_errno;
793 }
794}
795
796void noinline
797ev_feed_signal_event (EV_P_ int signum)
798{
799 WL w;
800
801#if EV_MULTIPLICITY
802 assert (("feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr));
803#endif
804
805 --signum;
806
807 if (signum < 0 || signum >= signalmax)
808 return;
809
810 signals [signum].gotsig = 0;
811
812 for (w = signals [signum].head; w; w = w->next)
813 ev_feed_event (EV_A_ (W)w, EV_SIGNAL);
814}
815
816static void
817sigcb (EV_P_ ev_io *iow, int revents)
818{
819 int signum;
820
821 read (sigpipe [0], &revents, 1);
822 gotsig = 0;
823
824 for (signum = signalmax; signum--; )
825 if (signals [signum].gotsig)
826 ev_feed_signal_event (EV_A_ signum + 1);
827}
828 789
829void inline_speed 790void inline_speed
830fd_intern (int fd) 791fd_intern (int fd)
831{ 792{
832#ifdef _WIN32 793#ifdef _WIN32
… …
837 fcntl (fd, F_SETFL, O_NONBLOCK); 798 fcntl (fd, F_SETFL, O_NONBLOCK);
838#endif 799#endif
839} 800}
840 801
841static void noinline 802static void noinline
842siginit (EV_P) 803evpipe_init (EV_P)
843{ 804{
805 if (!ev_is_active (&pipeev))
806 {
807 while (pipe (evpipe))
808 syserr ("(libev) error creating signal/async pipe");
809
844 fd_intern (sigpipe [0]); 810 fd_intern (evpipe [0]);
845 fd_intern (sigpipe [1]); 811 fd_intern (evpipe [1]);
846 812
847 ev_io_set (&sigev, sigpipe [0], EV_READ); 813 ev_io_set (&pipeev, evpipe [0], EV_READ);
848 ev_io_start (EV_A_ &sigev); 814 ev_io_start (EV_A_ &pipeev);
849 ev_unref (EV_A); /* child watcher should not keep loop alive */ 815 ev_unref (EV_A); /* watcher should not keep loop alive */
816 }
817}
818
819void inline_size
820evpipe_write (EV_P_ EV_ATOMIC_T *flag)
821{
822 if (!*flag)
823 {
824 int old_errno = errno; /* save errno because write might clobber it */
825
826 *flag = 1;
827 write (evpipe [1], &old_errno, 1);
828
829 errno = old_errno;
830 }
831}
832
833static void
834pipecb (EV_P_ ev_io *iow, int revents)
835{
836 {
837 int dummy;
838 read (evpipe [0], &dummy, 1);
839 }
840
841 if (gotsig && ev_is_default_loop (EV_A))
842 {
843 int signum;
844 gotsig = 0;
845
846 for (signum = signalmax; signum--; )
847 if (signals [signum].gotsig)
848 ev_feed_signal_event (EV_A_ signum + 1);
849 }
850
851#if EV_ASYNC_ENABLE
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 }
864#endif
850} 865}
851 866
852/*****************************************************************************/ 867/*****************************************************************************/
853 868
869static void
870sighandler (int signum)
871{
872#if EV_MULTIPLICITY
873 struct ev_loop *loop = &default_loop_struct;
874#endif
875
876#if _WIN32
877 signal (signum, sighandler);
878#endif
879
880 signals [signum - 1].gotsig = 1;
881 evpipe_write (EV_A_ &gotsig);
882}
883
884void noinline
885ev_feed_signal_event (EV_P_ int signum)
886{
887 WL w;
888
889#if EV_MULTIPLICITY
890 assert (("feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr));
891#endif
892
893 --signum;
894
895 if (signum < 0 || signum >= signalmax)
896 return;
897
898 signals [signum].gotsig = 0;
899
900 for (w = signals [signum].head; w; w = w->next)
901 ev_feed_event (EV_A_ (W)w, EV_SIGNAL);
902}
903
904/*****************************************************************************/
905
854static WL childs [EV_PID_HASHSIZE]; 906static WL childs [EV_PID_HASHSIZE];
855 907
856#ifndef _WIN32 908#ifndef _WIN32
857 909
858static ev_signal childev; 910static ev_signal childev;
859 911
912#ifndef WIFCONTINUED
913# define WIFCONTINUED(status) 0
914#endif
915
860void inline_speed 916void inline_speed
861child_reap (EV_P_ ev_signal *sw, int chain, int pid, int status) 917child_reap (EV_P_ int chain, int pid, int status)
862{ 918{
863 ev_child *w; 919 ev_child *w;
920 int traced = WIFSTOPPED (status) || WIFCONTINUED (status);
864 921
865 for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) 922 for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next)
923 {
866 if (w->pid == pid || !w->pid) 924 if ((w->pid == pid || !w->pid)
925 && (!traced || (w->flags & 1)))
867 { 926 {
868 ev_set_priority (w, ev_priority (sw)); /* need to do it *now* */ 927 ev_set_priority (w, EV_MAXPRI); /* need to do it *now*, this *must* be the same prio as the signal watcher itself */
869 w->rpid = pid; 928 w->rpid = pid;
870 w->rstatus = status; 929 w->rstatus = status;
871 ev_feed_event (EV_A_ (W)w, EV_CHILD); 930 ev_feed_event (EV_A_ (W)w, EV_CHILD);
872 } 931 }
932 }
873} 933}
874 934
875#ifndef WCONTINUED 935#ifndef WCONTINUED
876# define WCONTINUED 0 936# define WCONTINUED 0
877#endif 937#endif
… …
886 if (!WCONTINUED 946 if (!WCONTINUED
887 || errno != EINVAL 947 || errno != EINVAL
888 || 0 >= (pid = waitpid (-1, &status, WNOHANG | WUNTRACED))) 948 || 0 >= (pid = waitpid (-1, &status, WNOHANG | WUNTRACED)))
889 return; 949 return;
890 950
891 /* make sure we are called again until all childs have been reaped */ 951 /* make sure we are called again until all children have been reaped */
892 /* we need to do it this way so that the callback gets called before we continue */ 952 /* we need to do it this way so that the callback gets called before we continue */
893 ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); 953 ev_feed_event (EV_A_ (W)sw, EV_SIGNAL);
894 954
895 child_reap (EV_A_ sw, pid, pid, status); 955 child_reap (EV_A_ pid, pid, status);
896 if (EV_PID_HASHSIZE > 1) 956 if (EV_PID_HASHSIZE > 1)
897 child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ 957 child_reap (EV_A_ 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */
898} 958}
899 959
900#endif 960#endif
901 961
902/*****************************************************************************/ 962/*****************************************************************************/
… …
1020 if (!clock_gettime (CLOCK_MONOTONIC, &ts)) 1080 if (!clock_gettime (CLOCK_MONOTONIC, &ts))
1021 have_monotonic = 1; 1081 have_monotonic = 1;
1022 } 1082 }
1023#endif 1083#endif
1024 1084
1025 ev_rt_now = ev_time (); 1085 ev_rt_now = ev_time ();
1026 mn_now = get_clock (); 1086 mn_now = get_clock ();
1027 now_floor = mn_now; 1087 now_floor = mn_now;
1028 rtmn_diff = ev_rt_now - mn_now; 1088 rtmn_diff = ev_rt_now - mn_now;
1029 1089
1030 io_blocktime = 0.; 1090 io_blocktime = 0.;
1031 timeout_blocktime = 0.; 1091 timeout_blocktime = 0.;
1092 backend = 0;
1093 backend_fd = -1;
1094 gotasync = 0;
1095#if EV_USE_INOTIFY
1096 fs_fd = -2;
1097#endif
1032 1098
1033 /* pid check not overridable via env */ 1099 /* pid check not overridable via env */
1034#ifndef _WIN32 1100#ifndef _WIN32
1035 if (flags & EVFLAG_FORKCHECK) 1101 if (flags & EVFLAG_FORKCHECK)
1036 curpid = getpid (); 1102 curpid = getpid ();
… …
1042 flags = atoi (getenv ("LIBEV_FLAGS")); 1108 flags = atoi (getenv ("LIBEV_FLAGS"));
1043 1109
1044 if (!(flags & 0x0000ffffUL)) 1110 if (!(flags & 0x0000ffffUL))
1045 flags |= ev_recommended_backends (); 1111 flags |= ev_recommended_backends ();
1046 1112
1047 backend = 0;
1048 backend_fd = -1;
1049#if EV_USE_INOTIFY
1050 fs_fd = -2;
1051#endif
1052
1053#if EV_USE_PORT 1113#if EV_USE_PORT
1054 if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); 1114 if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);
1055#endif 1115#endif
1056#if EV_USE_KQUEUE 1116#if EV_USE_KQUEUE
1057 if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); 1117 if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags);
… …
1064#endif 1124#endif
1065#if EV_USE_SELECT 1125#if EV_USE_SELECT
1066 if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); 1126 if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags);
1067#endif 1127#endif
1068 1128
1069 ev_init (&sigev, sigcb); 1129 ev_init (&pipeev, pipecb);
1070 ev_set_priority (&sigev, EV_MAXPRI); 1130 ev_set_priority (&pipeev, EV_MAXPRI);
1071 } 1131 }
1072} 1132}
1073 1133
1074static void noinline 1134static void noinline
1075loop_destroy (EV_P) 1135loop_destroy (EV_P)
1076{ 1136{
1077 int i; 1137 int i;
1138
1139 if (ev_is_active (&pipeev))
1140 {
1141 ev_ref (EV_A); /* signal watcher */
1142 ev_io_stop (EV_A_ &pipeev);
1143
1144 close (evpipe [0]); evpipe [0] = 0;
1145 close (evpipe [1]); evpipe [1] = 0;
1146 }
1078 1147
1079#if EV_USE_INOTIFY 1148#if EV_USE_INOTIFY
1080 if (fs_fd >= 0) 1149 if (fs_fd >= 0)
1081 close (fs_fd); 1150 close (fs_fd);
1082#endif 1151#endif
… …
1119#if EV_FORK_ENABLE 1188#if EV_FORK_ENABLE
1120 array_free (fork, EMPTY); 1189 array_free (fork, EMPTY);
1121#endif 1190#endif
1122 array_free (prepare, EMPTY); 1191 array_free (prepare, EMPTY);
1123 array_free (check, EMPTY); 1192 array_free (check, EMPTY);
1193#if EV_ASYNC_ENABLE
1194 array_free (async, EMPTY);
1195#endif
1124 1196
1125 backend = 0; 1197 backend = 0;
1126} 1198}
1127 1199
1128void inline_size infy_fork (EV_P); 1200void inline_size infy_fork (EV_P);
… …
1141#endif 1213#endif
1142#if EV_USE_INOTIFY 1214#if EV_USE_INOTIFY
1143 infy_fork (EV_A); 1215 infy_fork (EV_A);
1144#endif 1216#endif
1145 1217
1146 if (ev_is_active (&sigev)) 1218 if (ev_is_active (&pipeev))
1147 { 1219 {
1148 /* default loop */ 1220 /* this "locks" the handlers against writing to the pipe */
1221 /* while we modify the fd vars */
1222 gotsig = 1;
1223#if EV_ASYNC_ENABLE
1224 gotasync = 1;
1225#endif
1149 1226
1150 ev_ref (EV_A); 1227 ev_ref (EV_A);
1151 ev_io_stop (EV_A_ &sigev); 1228 ev_io_stop (EV_A_ &pipeev);
1152 close (sigpipe [0]); 1229 close (evpipe [0]);
1153 close (sigpipe [1]); 1230 close (evpipe [1]);
1154 1231
1155 while (pipe (sigpipe))
1156 syserr ("(libev) error creating pipe");
1157
1158 siginit (EV_A); 1232 evpipe_init (EV_A);
1233 /* now iterate over everything, in case we missed something */
1234 pipecb (EV_A_ &pipeev, EV_READ);
1159 } 1235 }
1160 1236
1161 postfork = 0; 1237 postfork = 0;
1162} 1238}
1163 1239
… …
1185} 1261}
1186 1262
1187void 1263void
1188ev_loop_fork (EV_P) 1264ev_loop_fork (EV_P)
1189{ 1265{
1190 postfork = 1; 1266 postfork = 1; /* must be in line with ev_default_fork */
1191} 1267}
1192 1268
1193#endif 1269#endif
1194 1270
1195#if EV_MULTIPLICITY 1271#if EV_MULTIPLICITY
… …
1198#else 1274#else
1199int 1275int
1200ev_default_loop (unsigned int flags) 1276ev_default_loop (unsigned int flags)
1201#endif 1277#endif
1202{ 1278{
1203 if (sigpipe [0] == sigpipe [1])
1204 if (pipe (sigpipe))
1205 return 0;
1206
1207 if (!ev_default_loop_ptr) 1279 if (!ev_default_loop_ptr)
1208 { 1280 {
1209#if EV_MULTIPLICITY 1281#if EV_MULTIPLICITY
1210 struct ev_loop *loop = ev_default_loop_ptr = &default_loop_struct; 1282 struct ev_loop *loop = ev_default_loop_ptr = &default_loop_struct;
1211#else 1283#else
… …
1214 1286
1215 loop_init (EV_A_ flags); 1287 loop_init (EV_A_ flags);
1216 1288
1217 if (ev_backend (EV_A)) 1289 if (ev_backend (EV_A))
1218 { 1290 {
1219 siginit (EV_A);
1220
1221#ifndef _WIN32 1291#ifndef _WIN32
1222 ev_signal_init (&childev, childcb, SIGCHLD); 1292 ev_signal_init (&childev, childcb, SIGCHLD);
1223 ev_set_priority (&childev, EV_MAXPRI); 1293 ev_set_priority (&childev, EV_MAXPRI);
1224 ev_signal_start (EV_A_ &childev); 1294 ev_signal_start (EV_A_ &childev);
1225 ev_unref (EV_A); /* child watcher should not keep loop alive */ 1295 ev_unref (EV_A); /* child watcher should not keep loop alive */
… …
1242#ifndef _WIN32 1312#ifndef _WIN32
1243 ev_ref (EV_A); /* child watcher */ 1313 ev_ref (EV_A); /* child watcher */
1244 ev_signal_stop (EV_A_ &childev); 1314 ev_signal_stop (EV_A_ &childev);
1245#endif 1315#endif
1246 1316
1247 ev_ref (EV_A); /* signal watcher */
1248 ev_io_stop (EV_A_ &sigev);
1249
1250 close (sigpipe [0]); sigpipe [0] = 0;
1251 close (sigpipe [1]); sigpipe [1] = 0;
1252
1253 loop_destroy (EV_A); 1317 loop_destroy (EV_A);
1254} 1318}
1255 1319
1256void 1320void
1257ev_default_fork (void) 1321ev_default_fork (void)
… …
1259#if EV_MULTIPLICITY 1323#if EV_MULTIPLICITY
1260 struct ev_loop *loop = ev_default_loop_ptr; 1324 struct ev_loop *loop = ev_default_loop_ptr;
1261#endif 1325#endif
1262 1326
1263 if (backend) 1327 if (backend)
1264 postfork = 1; 1328 postfork = 1; /* must be in line with ev_loop_fork */
1265} 1329}
1266 1330
1267/*****************************************************************************/ 1331/*****************************************************************************/
1268 1332
1269void 1333void
… …
1843#endif 1907#endif
1844 if (expect_false (ev_is_active (w))) 1908 if (expect_false (ev_is_active (w)))
1845 return; 1909 return;
1846 1910
1847 assert (("ev_signal_start called with illegal signal number", w->signum > 0)); 1911 assert (("ev_signal_start called with illegal signal number", w->signum > 0));
1912
1913 evpipe_init (EV_A);
1848 1914
1849 { 1915 {
1850#ifndef _WIN32 1916#ifndef _WIN32
1851 sigset_t full, prev; 1917 sigset_t full, prev;
1852 sigfillset (&full); 1918 sigfillset (&full);
… …
2366 2432
2367 ev_stop (EV_A_ (W)w); 2433 ev_stop (EV_A_ (W)w);
2368} 2434}
2369#endif 2435#endif
2370 2436
2437#if EV_ASYNC_ENABLE
2438void
2439ev_async_start (EV_P_ ev_async *w)
2440{
2441 if (expect_false (ev_is_active (w)))
2442 return;
2443
2444 evpipe_init (EV_A);
2445
2446 ev_start (EV_A_ (W)w, ++asynccnt);
2447 array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2);
2448 asyncs [asynccnt - 1] = w;
2449}
2450
2451void
2452ev_async_stop (EV_P_ ev_async *w)
2453{
2454 clear_pending (EV_A_ (W)w);
2455 if (expect_false (!ev_is_active (w)))
2456 return;
2457
2458 {
2459 int active = ((W)w)->active;
2460 asyncs [active - 1] = asyncs [--asynccnt];
2461 ((W)asyncs [active - 1])->active = active;
2462 }
2463
2464 ev_stop (EV_A_ (W)w);
2465}
2466
2467void
2468ev_async_send (EV_P_ ev_async *w)
2469{
2470 w->sent = 1;
2471 evpipe_write (EV_A_ &gotasync);
2472}
2473#endif
2474
2371/*****************************************************************************/ 2475/*****************************************************************************/
2372 2476
2373struct ev_once 2477struct ev_once
2374{ 2478{
2375 ev_io io; 2479 ev_io io;

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