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Comparing libev/ev.c (file contents):
Revision 1.206 by root, Fri Jan 25 15:45:08 2008 UTC vs.
Revision 1.231 by root, Mon May 5 20:47:33 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 modifica- 7 * Redistribution and use in source and binary forms, with or without modifica-
8 * tion, are permitted provided that the following conditions are met: 8 * tion, are permitted provided that the following conditions are met:
9 * 9 *
39 39
40#ifdef __cplusplus 40#ifdef __cplusplus
41extern "C" { 41extern "C" {
42#endif 42#endif
43 43
44/* this big block deduces configuration from config.h */
44#ifndef EV_STANDALONE 45#ifndef EV_STANDALONE
45# ifdef EV_CONFIG_H 46# ifdef EV_CONFIG_H
46# include EV_CONFIG_H 47# include EV_CONFIG_H
47# else 48# else
48# include "config.h" 49# include "config.h"
118# else 119# else
119# define EV_USE_INOTIFY 0 120# define EV_USE_INOTIFY 0
120# endif 121# endif
121# endif 122# endif
122 123
124# ifndef EV_USE_EVENTFD
125# if HAVE_EVENTFD
126# define EV_USE_EVENTFD 1
127# else
128# define EV_USE_EVENTFD 0
129# endif
130# endif
131
123#endif 132#endif
124 133
125#include <math.h> 134#include <math.h>
126#include <stdlib.h> 135#include <stdlib.h>
127#include <fcntl.h> 136#include <fcntl.h>
152# ifndef EV_SELECT_IS_WINSOCKET 161# ifndef EV_SELECT_IS_WINSOCKET
153# define EV_SELECT_IS_WINSOCKET 1 162# define EV_SELECT_IS_WINSOCKET 1
154# endif 163# endif
155#endif 164#endif
156 165
157/**/ 166/* this block tries to deduce configuration from header-defined symbols and defaults */
158 167
159#ifndef EV_USE_MONOTONIC 168#ifndef EV_USE_MONOTONIC
160# define EV_USE_MONOTONIC 0 169# define EV_USE_MONOTONIC 0
161#endif 170#endif
162 171
179# define EV_USE_POLL 1 188# define EV_USE_POLL 1
180# endif 189# endif
181#endif 190#endif
182 191
183#ifndef EV_USE_EPOLL 192#ifndef EV_USE_EPOLL
193# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))
194# define EV_USE_EPOLL 1
195# else
184# define EV_USE_EPOLL 0 196# define EV_USE_EPOLL 0
197# endif
185#endif 198#endif
186 199
187#ifndef EV_USE_KQUEUE 200#ifndef EV_USE_KQUEUE
188# define EV_USE_KQUEUE 0 201# define EV_USE_KQUEUE 0
189#endif 202#endif
191#ifndef EV_USE_PORT 204#ifndef EV_USE_PORT
192# define EV_USE_PORT 0 205# define EV_USE_PORT 0
193#endif 206#endif
194 207
195#ifndef EV_USE_INOTIFY 208#ifndef EV_USE_INOTIFY
209# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))
210# define EV_USE_INOTIFY 1
211# else
196# define EV_USE_INOTIFY 0 212# define EV_USE_INOTIFY 0
213# endif
197#endif 214#endif
198 215
199#ifndef EV_PID_HASHSIZE 216#ifndef EV_PID_HASHSIZE
200# if EV_MINIMAL 217# if EV_MINIMAL
201# define EV_PID_HASHSIZE 1 218# define EV_PID_HASHSIZE 1
210# else 227# else
211# define EV_INOTIFY_HASHSIZE 16 228# define EV_INOTIFY_HASHSIZE 16
212# endif 229# endif
213#endif 230#endif
214 231
215/**/ 232#ifndef EV_USE_EVENTFD
233# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7))
234# define EV_USE_EVENTFD 1
235# else
236# define EV_USE_EVENTFD 0
237# endif
238#endif
239
240/* this block fixes any misconfiguration where we know we run into trouble otherwise */
216 241
217#ifndef CLOCK_MONOTONIC 242#ifndef CLOCK_MONOTONIC
218# undef EV_USE_MONOTONIC 243# undef EV_USE_MONOTONIC
219# define EV_USE_MONOTONIC 0 244# define EV_USE_MONOTONIC 0
220#endif 245#endif
239# include <sys/inotify.h> 264# include <sys/inotify.h>
240#endif 265#endif
241 266
242#if EV_SELECT_IS_WINSOCKET 267#if EV_SELECT_IS_WINSOCKET
243# include <winsock.h> 268# include <winsock.h>
269#endif
270
271#if EV_USE_EVENTFD
272/* our minimum requirement is glibc 2.7 which has the stub, but not the header */
273# include <stdint.h>
274# ifdef __cplusplus
275extern "C" {
276# endif
277int eventfd (unsigned int initval, int flags);
278# ifdef __cplusplus
279}
280# endif
244#endif 281#endif
245 282
246/**/ 283/**/
247 284
248/* 285/*
263# define expect(expr,value) __builtin_expect ((expr),(value)) 300# define expect(expr,value) __builtin_expect ((expr),(value))
264# define noinline __attribute__ ((noinline)) 301# define noinline __attribute__ ((noinline))
265#else 302#else
266# define expect(expr,value) (expr) 303# define expect(expr,value) (expr)
267# define noinline 304# define noinline
268# if __STDC_VERSION__ < 199901L 305# if __STDC_VERSION__ < 199901L && __GNUC__ < 2
269# define inline 306# define inline
270# endif 307# endif
271#endif 308#endif
272 309
273#define expect_false(expr) expect ((expr) != 0, 0) 310#define expect_false(expr) expect ((expr) != 0, 0)
288 325
289typedef ev_watcher *W; 326typedef ev_watcher *W;
290typedef ev_watcher_list *WL; 327typedef ev_watcher_list *WL;
291typedef ev_watcher_time *WT; 328typedef ev_watcher_time *WT;
292 329
330#define ev_active(w) ((W)(w))->active
331#define ev_at(w) ((WT)(w))->at
332
293#if EV_USE_MONOTONIC 333#if EV_USE_MONOTONIC
294/* sig_atomic_t is used to avoid per-thread variables or locking but still */ 334/* sig_atomic_t is used to avoid per-thread variables or locking but still */
295/* giving it a reasonably high chance of working on typical architetcures */ 335/* giving it a reasonably high chance of working on typical architetcures */
296static sig_atomic_t have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ 336static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */
297#endif 337#endif
298 338
299#ifdef _WIN32 339#ifdef _WIN32
300# include "ev_win32.c" 340# include "ev_win32.c"
301#endif 341#endif
323 perror (msg); 363 perror (msg);
324 abort (); 364 abort ();
325 } 365 }
326} 366}
327 367
368static void *
369ev_realloc_emul (void *ptr, long size)
370{
371 /* some systems, notably openbsd and darwin, fail to properly
372 * implement realloc (x, 0) (as required by both ansi c-98 and
373 * the single unix specification, so work around them here.
374 */
375
376 if (size)
377 return realloc (ptr, size);
378
379 free (ptr);
380 return 0;
381}
382
328static void *(*alloc)(void *ptr, long size); 383static void *(*alloc)(void *ptr, long size) = ev_realloc_emul;
329 384
330void 385void
331ev_set_allocator (void *(*cb)(void *ptr, long size)) 386ev_set_allocator (void *(*cb)(void *ptr, long size))
332{ 387{
333 alloc = cb; 388 alloc = cb;
334} 389}
335 390
336inline_speed void * 391inline_speed void *
337ev_realloc (void *ptr, long size) 392ev_realloc (void *ptr, long size)
338{ 393{
339 ptr = alloc ? alloc (ptr, size) : realloc (ptr, size); 394 ptr = alloc (ptr, size);
340 395
341 if (!ptr && size) 396 if (!ptr && size)
342 { 397 {
343 fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); 398 fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size);
344 abort (); 399 abort ();
451 ts.tv_sec = (time_t)delay; 506 ts.tv_sec = (time_t)delay;
452 ts.tv_nsec = (long)((delay - (ev_tstamp)(ts.tv_sec)) * 1e9); 507 ts.tv_nsec = (long)((delay - (ev_tstamp)(ts.tv_sec)) * 1e9);
453 508
454 nanosleep (&ts, 0); 509 nanosleep (&ts, 0);
455#elif defined(_WIN32) 510#elif defined(_WIN32)
456 Sleep (delay * 1e3); 511 Sleep ((unsigned long)(delay * 1e3));
457#else 512#else
458 struct timeval tv; 513 struct timeval tv;
459 514
460 tv.tv_sec = (time_t)delay; 515 tv.tv_sec = (time_t)delay;
461 tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); 516 tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6);
702 } 757 }
703} 758}
704 759
705/*****************************************************************************/ 760/*****************************************************************************/
706 761
762/* towards the root */
707void inline_speed 763void inline_speed
708upheap (WT *heap, int k) 764upheap (WT *heap, int k)
709{ 765{
710 WT w = heap [k]; 766 WT w = heap [k];
711 767
712 while (k) 768 for (;;)
713 { 769 {
714 int p = (k - 1) >> 1; 770 int p = k >> 1;
715 771
772 /* maybe we could use a dummy element at heap [0]? */
716 if (heap [p]->at <= w->at) 773 if (!p || heap [p]->at <= w->at)
717 break; 774 break;
718 775
719 heap [k] = heap [p]; 776 heap [k] = heap [p];
720 ((W)heap [k])->active = k + 1; 777 ev_active (heap [k]) = k;
721 k = p; 778 k = p;
722 } 779 }
723 780
724 heap [k] = w; 781 heap [k] = w;
725 ((W)heap [k])->active = k + 1; 782 ev_active (heap [k]) = k;
726} 783}
727 784
785/* away from the root */
728void inline_speed 786void inline_speed
729downheap (WT *heap, int N, int k) 787downheap (WT *heap, int N, int k)
730{ 788{
731 WT w = heap [k]; 789 WT w = heap [k];
732 790
733 for (;;) 791 for (;;)
734 { 792 {
735 int c = (k << 1) + 1; 793 int c = k << 1;
736 794
737 if (c >= N) 795 if (c > N)
738 break; 796 break;
739 797
740 c += c + 1 < N && heap [c]->at > heap [c + 1]->at 798 c += c < N && heap [c]->at > heap [c + 1]->at
741 ? 1 : 0; 799 ? 1 : 0;
742 800
743 if (w->at <= heap [c]->at) 801 if (w->at <= heap [c]->at)
744 break; 802 break;
745 803
746 heap [k] = heap [c]; 804 heap [k] = heap [c];
747 ((W)heap [k])->active = k + 1; 805 ev_active (heap [k]) = k;
748 806
749 k = c; 807 k = c;
750 } 808 }
751 809
752 heap [k] = w; 810 heap [k] = w;
753 ((W)heap [k])->active = k + 1; 811 ev_active (heap [k]) = k;
754} 812}
755 813
756void inline_size 814void inline_size
757adjustheap (WT *heap, int N, int k) 815adjustheap (WT *heap, int N, int k)
758{ 816{
763/*****************************************************************************/ 821/*****************************************************************************/
764 822
765typedef struct 823typedef struct
766{ 824{
767 WL head; 825 WL head;
768 sig_atomic_t volatile gotsig; 826 EV_ATOMIC_T gotsig;
769} ANSIG; 827} ANSIG;
770 828
771static ANSIG *signals; 829static ANSIG *signals;
772static int signalmax; 830static int signalmax;
773 831
774static int sigpipe [2]; 832static EV_ATOMIC_T gotsig;
775static sig_atomic_t volatile gotsig;
776static ev_io sigev;
777 833
778void inline_size 834void inline_size
779signals_init (ANSIG *base, int count) 835signals_init (ANSIG *base, int count)
780{ 836{
781 while (count--) 837 while (count--)
785 841
786 ++base; 842 ++base;
787 } 843 }
788} 844}
789 845
790static void 846/*****************************************************************************/
791sighandler (int signum)
792{
793#if _WIN32
794 signal (signum, sighandler);
795#endif
796
797 signals [signum - 1].gotsig = 1;
798
799 if (!gotsig)
800 {
801 int old_errno = errno;
802 gotsig = 1;
803 write (sigpipe [1], &signum, 1);
804 errno = old_errno;
805 }
806}
807
808void noinline
809ev_feed_signal_event (EV_P_ int signum)
810{
811 WL w;
812
813#if EV_MULTIPLICITY
814 assert (("feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr));
815#endif
816
817 --signum;
818
819 if (signum < 0 || signum >= signalmax)
820 return;
821
822 signals [signum].gotsig = 0;
823
824 for (w = signals [signum].head; w; w = w->next)
825 ev_feed_event (EV_A_ (W)w, EV_SIGNAL);
826}
827
828static void
829sigcb (EV_P_ ev_io *iow, int revents)
830{
831 int signum;
832
833 read (sigpipe [0], &revents, 1);
834 gotsig = 0;
835
836 for (signum = signalmax; signum--; )
837 if (signals [signum].gotsig)
838 ev_feed_signal_event (EV_A_ signum + 1);
839}
840 847
841void inline_speed 848void inline_speed
842fd_intern (int fd) 849fd_intern (int fd)
843{ 850{
844#ifdef _WIN32 851#ifdef _WIN32
849 fcntl (fd, F_SETFL, O_NONBLOCK); 856 fcntl (fd, F_SETFL, O_NONBLOCK);
850#endif 857#endif
851} 858}
852 859
853static void noinline 860static void noinline
854siginit (EV_P) 861evpipe_init (EV_P)
855{ 862{
863 if (!ev_is_active (&pipeev))
864 {
865#if EV_USE_EVENTFD
866 if ((evfd = eventfd (0, 0)) >= 0)
867 {
868 evpipe [0] = -1;
869 fd_intern (evfd);
870 ev_io_set (&pipeev, evfd, EV_READ);
871 }
872 else
873#endif
874 {
875 while (pipe (evpipe))
876 syserr ("(libev) error creating signal/async pipe");
877
856 fd_intern (sigpipe [0]); 878 fd_intern (evpipe [0]);
857 fd_intern (sigpipe [1]); 879 fd_intern (evpipe [1]);
880 ev_io_set (&pipeev, evpipe [0], EV_READ);
881 }
858 882
859 ev_io_set (&sigev, sigpipe [0], EV_READ);
860 ev_io_start (EV_A_ &sigev); 883 ev_io_start (EV_A_ &pipeev);
861 ev_unref (EV_A); /* child watcher should not keep loop alive */ 884 ev_unref (EV_A); /* watcher should not keep loop alive */
885 }
886}
887
888void inline_size
889evpipe_write (EV_P_ EV_ATOMIC_T *flag)
890{
891 if (!*flag)
892 {
893 int old_errno = errno; /* save errno because write might clobber it */
894
895 *flag = 1;
896
897#if EV_USE_EVENTFD
898 if (evfd >= 0)
899 {
900 uint64_t counter = 1;
901 write (evfd, &counter, sizeof (uint64_t));
902 }
903 else
904#endif
905 write (evpipe [1], &old_errno, 1);
906
907 errno = old_errno;
908 }
909}
910
911static void
912pipecb (EV_P_ ev_io *iow, int revents)
913{
914#if EV_USE_EVENTFD
915 if (evfd >= 0)
916 {
917 uint64_t counter = 1;
918 read (evfd, &counter, sizeof (uint64_t));
919 }
920 else
921#endif
922 {
923 char dummy;
924 read (evpipe [0], &dummy, 1);
925 }
926
927 if (gotsig && ev_is_default_loop (EV_A))
928 {
929 int signum;
930 gotsig = 0;
931
932 for (signum = signalmax; signum--; )
933 if (signals [signum].gotsig)
934 ev_feed_signal_event (EV_A_ signum + 1);
935 }
936
937#if EV_ASYNC_ENABLE
938 if (gotasync)
939 {
940 int i;
941 gotasync = 0;
942
943 for (i = asynccnt; i--; )
944 if (asyncs [i]->sent)
945 {
946 asyncs [i]->sent = 0;
947 ev_feed_event (EV_A_ asyncs [i], EV_ASYNC);
948 }
949 }
950#endif
951}
952
953/*****************************************************************************/
954
955static void
956ev_sighandler (int signum)
957{
958#if EV_MULTIPLICITY
959 struct ev_loop *loop = &default_loop_struct;
960#endif
961
962#if _WIN32
963 signal (signum, ev_sighandler);
964#endif
965
966 signals [signum - 1].gotsig = 1;
967 evpipe_write (EV_A_ &gotsig);
968}
969
970void noinline
971ev_feed_signal_event (EV_P_ int signum)
972{
973 WL w;
974
975#if EV_MULTIPLICITY
976 assert (("feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr));
977#endif
978
979 --signum;
980
981 if (signum < 0 || signum >= signalmax)
982 return;
983
984 signals [signum].gotsig = 0;
985
986 for (w = signals [signum].head; w; w = w->next)
987 ev_feed_event (EV_A_ (W)w, EV_SIGNAL);
862} 988}
863 989
864/*****************************************************************************/ 990/*****************************************************************************/
865 991
866static WL childs [EV_PID_HASHSIZE]; 992static WL childs [EV_PID_HASHSIZE];
872#ifndef WIFCONTINUED 998#ifndef WIFCONTINUED
873# define WIFCONTINUED(status) 0 999# define WIFCONTINUED(status) 0
874#endif 1000#endif
875 1001
876void inline_speed 1002void inline_speed
877child_reap (EV_P_ ev_signal *sw, int chain, int pid, int status) 1003child_reap (EV_P_ int chain, int pid, int status)
878{ 1004{
879 ev_child *w; 1005 ev_child *w;
880 int traced = WIFSTOPPED (status) || WIFCONTINUED (status); 1006 int traced = WIFSTOPPED (status) || WIFCONTINUED (status);
881 1007
882 for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) 1008 for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next)
883 { 1009 {
884 if ((w->pid == pid || !w->pid) 1010 if ((w->pid == pid || !w->pid)
885 && (!traced || (w->flags & 1))) 1011 && (!traced || (w->flags & 1)))
886 { 1012 {
887 ev_set_priority (w, ev_priority (sw)); /* need to do it *now* */ 1013 ev_set_priority (w, EV_MAXPRI); /* need to do it *now*, this *must* be the same prio as the signal watcher itself */
888 w->rpid = pid; 1014 w->rpid = pid;
889 w->rstatus = status; 1015 w->rstatus = status;
890 ev_feed_event (EV_A_ (W)w, EV_CHILD); 1016 ev_feed_event (EV_A_ (W)w, EV_CHILD);
891 } 1017 }
892 } 1018 }
906 if (!WCONTINUED 1032 if (!WCONTINUED
907 || errno != EINVAL 1033 || errno != EINVAL
908 || 0 >= (pid = waitpid (-1, &status, WNOHANG | WUNTRACED))) 1034 || 0 >= (pid = waitpid (-1, &status, WNOHANG | WUNTRACED)))
909 return; 1035 return;
910 1036
911 /* make sure we are called again until all childs have been reaped */ 1037 /* make sure we are called again until all children have been reaped */
912 /* we need to do it this way so that the callback gets called before we continue */ 1038 /* we need to do it this way so that the callback gets called before we continue */
913 ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); 1039 ev_feed_event (EV_A_ (W)sw, EV_SIGNAL);
914 1040
915 child_reap (EV_A_ sw, pid, pid, status); 1041 child_reap (EV_A_ pid, pid, status);
916 if (EV_PID_HASHSIZE > 1) 1042 if (EV_PID_HASHSIZE > 1)
917 child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ 1043 child_reap (EV_A_ 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */
918} 1044}
919 1045
920#endif 1046#endif
921 1047
922/*****************************************************************************/ 1048/*****************************************************************************/
1040 if (!clock_gettime (CLOCK_MONOTONIC, &ts)) 1166 if (!clock_gettime (CLOCK_MONOTONIC, &ts))
1041 have_monotonic = 1; 1167 have_monotonic = 1;
1042 } 1168 }
1043#endif 1169#endif
1044 1170
1045 ev_rt_now = ev_time (); 1171 ev_rt_now = ev_time ();
1046 mn_now = get_clock (); 1172 mn_now = get_clock ();
1047 now_floor = mn_now; 1173 now_floor = mn_now;
1048 rtmn_diff = ev_rt_now - mn_now; 1174 rtmn_diff = ev_rt_now - mn_now;
1049 1175
1050 io_blocktime = 0.; 1176 io_blocktime = 0.;
1051 timeout_blocktime = 0.; 1177 timeout_blocktime = 0.;
1178 backend = 0;
1179 backend_fd = -1;
1180 gotasync = 0;
1181#if EV_USE_INOTIFY
1182 fs_fd = -2;
1183#endif
1052 1184
1053 /* pid check not overridable via env */ 1185 /* pid check not overridable via env */
1054#ifndef _WIN32 1186#ifndef _WIN32
1055 if (flags & EVFLAG_FORKCHECK) 1187 if (flags & EVFLAG_FORKCHECK)
1056 curpid = getpid (); 1188 curpid = getpid ();
1059 if (!(flags & EVFLAG_NOENV) 1191 if (!(flags & EVFLAG_NOENV)
1060 && !enable_secure () 1192 && !enable_secure ()
1061 && getenv ("LIBEV_FLAGS")) 1193 && getenv ("LIBEV_FLAGS"))
1062 flags = atoi (getenv ("LIBEV_FLAGS")); 1194 flags = atoi (getenv ("LIBEV_FLAGS"));
1063 1195
1064 if (!(flags & 0x0000ffffUL)) 1196 if (!(flags & 0x0000ffffU))
1065 flags |= ev_recommended_backends (); 1197 flags |= ev_recommended_backends ();
1066
1067 backend = 0;
1068 backend_fd = -1;
1069#if EV_USE_INOTIFY
1070 fs_fd = -2;
1071#endif
1072 1198
1073#if EV_USE_PORT 1199#if EV_USE_PORT
1074 if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); 1200 if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);
1075#endif 1201#endif
1076#if EV_USE_KQUEUE 1202#if EV_USE_KQUEUE
1084#endif 1210#endif
1085#if EV_USE_SELECT 1211#if EV_USE_SELECT
1086 if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); 1212 if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags);
1087#endif 1213#endif
1088 1214
1089 ev_init (&sigev, sigcb); 1215 ev_init (&pipeev, pipecb);
1090 ev_set_priority (&sigev, EV_MAXPRI); 1216 ev_set_priority (&pipeev, EV_MAXPRI);
1091 } 1217 }
1092} 1218}
1093 1219
1094static void noinline 1220static void noinline
1095loop_destroy (EV_P) 1221loop_destroy (EV_P)
1096{ 1222{
1097 int i; 1223 int i;
1224
1225 if (ev_is_active (&pipeev))
1226 {
1227 ev_ref (EV_A); /* signal watcher */
1228 ev_io_stop (EV_A_ &pipeev);
1229
1230#if EV_USE_EVENTFD
1231 if (evfd >= 0)
1232 close (evfd);
1233#endif
1234
1235 if (evpipe [0] >= 0)
1236 {
1237 close (evpipe [0]);
1238 close (evpipe [1]);
1239 }
1240 }
1098 1241
1099#if EV_USE_INOTIFY 1242#if EV_USE_INOTIFY
1100 if (fs_fd >= 0) 1243 if (fs_fd >= 0)
1101 close (fs_fd); 1244 close (fs_fd);
1102#endif 1245#endif
1139#if EV_FORK_ENABLE 1282#if EV_FORK_ENABLE
1140 array_free (fork, EMPTY); 1283 array_free (fork, EMPTY);
1141#endif 1284#endif
1142 array_free (prepare, EMPTY); 1285 array_free (prepare, EMPTY);
1143 array_free (check, EMPTY); 1286 array_free (check, EMPTY);
1287#if EV_ASYNC_ENABLE
1288 array_free (async, EMPTY);
1289#endif
1144 1290
1145 backend = 0; 1291 backend = 0;
1146} 1292}
1147 1293
1294#if EV_USE_INOTIFY
1148void inline_size infy_fork (EV_P); 1295void inline_size infy_fork (EV_P);
1296#endif
1149 1297
1150void inline_size 1298void inline_size
1151loop_fork (EV_P) 1299loop_fork (EV_P)
1152{ 1300{
1153#if EV_USE_PORT 1301#if EV_USE_PORT
1161#endif 1309#endif
1162#if EV_USE_INOTIFY 1310#if EV_USE_INOTIFY
1163 infy_fork (EV_A); 1311 infy_fork (EV_A);
1164#endif 1312#endif
1165 1313
1166 if (ev_is_active (&sigev)) 1314 if (ev_is_active (&pipeev))
1167 { 1315 {
1168 /* default loop */ 1316 /* this "locks" the handlers against writing to the pipe */
1317 /* while we modify the fd vars */
1318 gotsig = 1;
1319#if EV_ASYNC_ENABLE
1320 gotasync = 1;
1321#endif
1169 1322
1170 ev_ref (EV_A); 1323 ev_ref (EV_A);
1171 ev_io_stop (EV_A_ &sigev); 1324 ev_io_stop (EV_A_ &pipeev);
1325
1326#if EV_USE_EVENTFD
1327 if (evfd >= 0)
1328 close (evfd);
1329#endif
1330
1331 if (evpipe [0] >= 0)
1332 {
1172 close (sigpipe [0]); 1333 close (evpipe [0]);
1173 close (sigpipe [1]); 1334 close (evpipe [1]);
1335 }
1174 1336
1175 while (pipe (sigpipe))
1176 syserr ("(libev) error creating pipe");
1177
1178 siginit (EV_A); 1337 evpipe_init (EV_A);
1338 /* now iterate over everything, in case we missed something */
1179 sigcb (EV_A_ &sigev, EV_READ); 1339 pipecb (EV_A_ &pipeev, EV_READ);
1180 } 1340 }
1181 1341
1182 postfork = 0; 1342 postfork = 0;
1183} 1343}
1184 1344
1219#else 1379#else
1220int 1380int
1221ev_default_loop (unsigned int flags) 1381ev_default_loop (unsigned int flags)
1222#endif 1382#endif
1223{ 1383{
1224 if (sigpipe [0] == sigpipe [1])
1225 if (pipe (sigpipe))
1226 return 0;
1227
1228 if (!ev_default_loop_ptr) 1384 if (!ev_default_loop_ptr)
1229 { 1385 {
1230#if EV_MULTIPLICITY 1386#if EV_MULTIPLICITY
1231 struct ev_loop *loop = ev_default_loop_ptr = &default_loop_struct; 1387 struct ev_loop *loop = ev_default_loop_ptr = &default_loop_struct;
1232#else 1388#else
1235 1391
1236 loop_init (EV_A_ flags); 1392 loop_init (EV_A_ flags);
1237 1393
1238 if (ev_backend (EV_A)) 1394 if (ev_backend (EV_A))
1239 { 1395 {
1240 siginit (EV_A);
1241
1242#ifndef _WIN32 1396#ifndef _WIN32
1243 ev_signal_init (&childev, childcb, SIGCHLD); 1397 ev_signal_init (&childev, childcb, SIGCHLD);
1244 ev_set_priority (&childev, EV_MAXPRI); 1398 ev_set_priority (&childev, EV_MAXPRI);
1245 ev_signal_start (EV_A_ &childev); 1399 ev_signal_start (EV_A_ &childev);
1246 ev_unref (EV_A); /* child watcher should not keep loop alive */ 1400 ev_unref (EV_A); /* child watcher should not keep loop alive */
1263#ifndef _WIN32 1417#ifndef _WIN32
1264 ev_ref (EV_A); /* child watcher */ 1418 ev_ref (EV_A); /* child watcher */
1265 ev_signal_stop (EV_A_ &childev); 1419 ev_signal_stop (EV_A_ &childev);
1266#endif 1420#endif
1267 1421
1268 ev_ref (EV_A); /* signal watcher */
1269 ev_io_stop (EV_A_ &sigev);
1270
1271 close (sigpipe [0]); sigpipe [0] = 0;
1272 close (sigpipe [1]); sigpipe [1] = 0;
1273
1274 loop_destroy (EV_A); 1422 loop_destroy (EV_A);
1275} 1423}
1276 1424
1277void 1425void
1278ev_default_fork (void) 1426ev_default_fork (void)
1314} 1462}
1315 1463
1316void inline_size 1464void inline_size
1317timers_reify (EV_P) 1465timers_reify (EV_P)
1318{ 1466{
1319 while (timercnt && ((WT)timers [0])->at <= mn_now) 1467 while (timercnt && ev_at (timers [1]) <= mn_now)
1320 { 1468 {
1321 ev_timer *w = (ev_timer *)timers [0]; 1469 ev_timer *w = (ev_timer *)timers [1];
1322 1470
1323 /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/ 1471 /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/
1324 1472
1325 /* first reschedule or stop timer */ 1473 /* first reschedule or stop timer */
1326 if (w->repeat) 1474 if (w->repeat)
1327 { 1475 {
1328 assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); 1476 assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));
1329 1477
1330 ((WT)w)->at += w->repeat; 1478 ev_at (w) += w->repeat;
1331 if (((WT)w)->at < mn_now) 1479 if (ev_at (w) < mn_now)
1332 ((WT)w)->at = mn_now; 1480 ev_at (w) = mn_now;
1333 1481
1334 downheap (timers, timercnt, 0); 1482 downheap (timers, timercnt, 1);
1335 } 1483 }
1336 else 1484 else
1337 ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ 1485 ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */
1338 1486
1339 ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); 1487 ev_feed_event (EV_A_ (W)w, EV_TIMEOUT);
1342 1490
1343#if EV_PERIODIC_ENABLE 1491#if EV_PERIODIC_ENABLE
1344void inline_size 1492void inline_size
1345periodics_reify (EV_P) 1493periodics_reify (EV_P)
1346{ 1494{
1347 while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) 1495 while (periodiccnt && ev_at (periodics [1]) <= ev_rt_now)
1348 { 1496 {
1349 ev_periodic *w = (ev_periodic *)periodics [0]; 1497 ev_periodic *w = (ev_periodic *)periodics [1];
1350 1498
1351 /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ 1499 /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/
1352 1500
1353 /* first reschedule or stop timer */ 1501 /* first reschedule or stop timer */
1354 if (w->reschedule_cb) 1502 if (w->reschedule_cb)
1355 { 1503 {
1356 ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + TIME_EPSILON); 1504 ev_at (w) = w->reschedule_cb (w, ev_rt_now + TIME_EPSILON);
1357 assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now)); 1505 assert (("ev_periodic reschedule callback returned time in the past", ev_at (w) > ev_rt_now));
1358 downheap (periodics, periodiccnt, 0); 1506 downheap (periodics, periodiccnt, 1);
1359 } 1507 }
1360 else if (w->interval) 1508 else if (w->interval)
1361 { 1509 {
1362 ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; 1510 ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
1363 if (((WT)w)->at - ev_rt_now <= TIME_EPSILON) ((WT)w)->at += w->interval; 1511 if (ev_at (w) - ev_rt_now <= TIME_EPSILON) ev_at (w) += w->interval;
1364 assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now)); 1512 assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ev_at (w) > ev_rt_now));
1365 downheap (periodics, periodiccnt, 0); 1513 downheap (periodics, periodiccnt, 1);
1366 } 1514 }
1367 else 1515 else
1368 ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ 1516 ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */
1369 1517
1370 ev_feed_event (EV_A_ (W)w, EV_PERIODIC); 1518 ev_feed_event (EV_A_ (W)w, EV_PERIODIC);
1375periodics_reschedule (EV_P) 1523periodics_reschedule (EV_P)
1376{ 1524{
1377 int i; 1525 int i;
1378 1526
1379 /* adjust periodics after time jump */ 1527 /* adjust periodics after time jump */
1380 for (i = 0; i < periodiccnt; ++i) 1528 for (i = 1; i <= periodiccnt; ++i)
1381 { 1529 {
1382 ev_periodic *w = (ev_periodic *)periodics [i]; 1530 ev_periodic *w = (ev_periodic *)periodics [i];
1383 1531
1384 if (w->reschedule_cb) 1532 if (w->reschedule_cb)
1385 ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); 1533 ev_at (w) = w->reschedule_cb (w, ev_rt_now);
1386 else if (w->interval) 1534 else if (w->interval)
1387 ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; 1535 ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
1388 } 1536 }
1389 1537
1390 /* now rebuild the heap */ 1538 /* now rebuild the heap */
1391 for (i = periodiccnt >> 1; i--; ) 1539 for (i = periodiccnt >> 1; i--; )
1392 downheap (periodics, periodiccnt, i); 1540 downheap (periodics, periodiccnt, i);
1474 { 1622 {
1475#if EV_PERIODIC_ENABLE 1623#if EV_PERIODIC_ENABLE
1476 periodics_reschedule (EV_A); 1624 periodics_reschedule (EV_A);
1477#endif 1625#endif
1478 /* adjust timers. this is easy, as the offset is the same for all of them */ 1626 /* adjust timers. this is easy, as the offset is the same for all of them */
1479 for (i = 0; i < timercnt; ++i) 1627 for (i = 1; i <= timercnt; ++i)
1480 ((WT)timers [i])->at += ev_rt_now - mn_now; 1628 ev_at (timers [i]) += ev_rt_now - mn_now;
1481 } 1629 }
1482 1630
1483 mn_now = ev_rt_now; 1631 mn_now = ev_rt_now;
1484 } 1632 }
1485} 1633}
1499static int loop_done; 1647static int loop_done;
1500 1648
1501void 1649void
1502ev_loop (EV_P_ int flags) 1650ev_loop (EV_P_ int flags)
1503{ 1651{
1504 loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) 1652 loop_done = EVUNLOOP_CANCEL;
1505 ? EVUNLOOP_ONE
1506 : EVUNLOOP_CANCEL;
1507 1653
1508 call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */ 1654 call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */
1509 1655
1510 do 1656 do
1511 { 1657 {
1557 1703
1558 waittime = MAX_BLOCKTIME; 1704 waittime = MAX_BLOCKTIME;
1559 1705
1560 if (timercnt) 1706 if (timercnt)
1561 { 1707 {
1562 ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge; 1708 ev_tstamp to = ev_at (timers [1]) - mn_now + backend_fudge;
1563 if (waittime > to) waittime = to; 1709 if (waittime > to) waittime = to;
1564 } 1710 }
1565 1711
1566#if EV_PERIODIC_ENABLE 1712#if EV_PERIODIC_ENABLE
1567 if (periodiccnt) 1713 if (periodiccnt)
1568 { 1714 {
1569 ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + backend_fudge; 1715 ev_tstamp to = ev_at (periodics [1]) - ev_rt_now + backend_fudge;
1570 if (waittime > to) waittime = to; 1716 if (waittime > to) waittime = to;
1571 } 1717 }
1572#endif 1718#endif
1573 1719
1574 if (expect_false (waittime < timeout_blocktime)) 1720 if (expect_false (waittime < timeout_blocktime))
1607 /* queue check watchers, to be executed first */ 1753 /* queue check watchers, to be executed first */
1608 if (expect_false (checkcnt)) 1754 if (expect_false (checkcnt))
1609 queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); 1755 queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
1610 1756
1611 call_pending (EV_A); 1757 call_pending (EV_A);
1612
1613 } 1758 }
1614 while (expect_true (activecnt && !loop_done)); 1759 while (expect_true (
1760 activecnt
1761 && !loop_done
1762 && !(flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK))
1763 ));
1615 1764
1616 if (loop_done == EVUNLOOP_ONE) 1765 if (loop_done == EVUNLOOP_ONE)
1617 loop_done = EVUNLOOP_CANCEL; 1766 loop_done = EVUNLOOP_CANCEL;
1618} 1767}
1619 1768
1737ev_timer_start (EV_P_ ev_timer *w) 1886ev_timer_start (EV_P_ ev_timer *w)
1738{ 1887{
1739 if (expect_false (ev_is_active (w))) 1888 if (expect_false (ev_is_active (w)))
1740 return; 1889 return;
1741 1890
1742 ((WT)w)->at += mn_now; 1891 ev_at (w) += mn_now;
1743 1892
1744 assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); 1893 assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));
1745 1894
1746 ev_start (EV_A_ (W)w, ++timercnt); 1895 ev_start (EV_A_ (W)w, ++timercnt);
1747 array_needsize (WT, timers, timermax, timercnt, EMPTY2); 1896 array_needsize (WT, timers, timermax, timercnt + 1, EMPTY2);
1748 timers [timercnt - 1] = (WT)w; 1897 timers [timercnt] = (WT)w;
1749 upheap (timers, timercnt - 1); 1898 upheap (timers, timercnt);
1750 1899
1751 /*assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));*/ 1900 /*assert (("internal timer heap corruption", timers [ev_active (w)] == w));*/
1752} 1901}
1753 1902
1754void noinline 1903void noinline
1755ev_timer_stop (EV_P_ ev_timer *w) 1904ev_timer_stop (EV_P_ ev_timer *w)
1756{ 1905{
1757 clear_pending (EV_A_ (W)w); 1906 clear_pending (EV_A_ (W)w);
1758 if (expect_false (!ev_is_active (w))) 1907 if (expect_false (!ev_is_active (w)))
1759 return; 1908 return;
1760 1909
1761 assert (("internal timer heap corruption", timers [((W)w)->active - 1] == (WT)w));
1762
1763 { 1910 {
1764 int active = ((W)w)->active; 1911 int active = ev_active (w);
1765 1912
1913 assert (("internal timer heap corruption", timers [active] == (WT)w));
1914
1766 if (expect_true (--active < --timercnt)) 1915 if (expect_true (active < timercnt))
1767 { 1916 {
1768 timers [active] = timers [timercnt]; 1917 timers [active] = timers [timercnt];
1769 adjustheap (timers, timercnt, active); 1918 adjustheap (timers, timercnt, active);
1770 } 1919 }
1920
1921 --timercnt;
1771 } 1922 }
1772 1923
1773 ((WT)w)->at -= mn_now; 1924 ev_at (w) -= mn_now;
1774 1925
1775 ev_stop (EV_A_ (W)w); 1926 ev_stop (EV_A_ (W)w);
1776} 1927}
1777 1928
1778void noinline 1929void noinline
1780{ 1931{
1781 if (ev_is_active (w)) 1932 if (ev_is_active (w))
1782 { 1933 {
1783 if (w->repeat) 1934 if (w->repeat)
1784 { 1935 {
1785 ((WT)w)->at = mn_now + w->repeat; 1936 ev_at (w) = mn_now + w->repeat;
1786 adjustheap (timers, timercnt, ((W)w)->active - 1); 1937 adjustheap (timers, timercnt, ev_active (w));
1787 } 1938 }
1788 else 1939 else
1789 ev_timer_stop (EV_A_ w); 1940 ev_timer_stop (EV_A_ w);
1790 } 1941 }
1791 else if (w->repeat) 1942 else if (w->repeat)
1792 { 1943 {
1793 w->at = w->repeat; 1944 ev_at (w) = w->repeat;
1794 ev_timer_start (EV_A_ w); 1945 ev_timer_start (EV_A_ w);
1795 } 1946 }
1796} 1947}
1797 1948
1798#if EV_PERIODIC_ENABLE 1949#if EV_PERIODIC_ENABLE
1801{ 1952{
1802 if (expect_false (ev_is_active (w))) 1953 if (expect_false (ev_is_active (w)))
1803 return; 1954 return;
1804 1955
1805 if (w->reschedule_cb) 1956 if (w->reschedule_cb)
1806 ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); 1957 ev_at (w) = w->reschedule_cb (w, ev_rt_now);
1807 else if (w->interval) 1958 else if (w->interval)
1808 { 1959 {
1809 assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); 1960 assert (("ev_periodic_start called with negative interval value", w->interval >= 0.));
1810 /* this formula differs from the one in periodic_reify because we do not always round up */ 1961 /* this formula differs from the one in periodic_reify because we do not always round up */
1811 ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; 1962 ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
1812 } 1963 }
1813 else 1964 else
1814 ((WT)w)->at = w->offset; 1965 ev_at (w) = w->offset;
1815 1966
1816 ev_start (EV_A_ (W)w, ++periodiccnt); 1967 ev_start (EV_A_ (W)w, ++periodiccnt);
1817 array_needsize (WT, periodics, periodicmax, periodiccnt, EMPTY2); 1968 array_needsize (WT, periodics, periodicmax, periodiccnt + 1, EMPTY2);
1818 periodics [periodiccnt - 1] = (WT)w; 1969 periodics [periodiccnt] = (WT)w;
1819 upheap (periodics, periodiccnt - 1); 1970 upheap (periodics, periodiccnt);
1820 1971
1821 /*assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));*/ 1972 /*assert (("internal periodic heap corruption", periodics [ev_active (w)] == w));*/
1822} 1973}
1823 1974
1824void noinline 1975void noinline
1825ev_periodic_stop (EV_P_ ev_periodic *w) 1976ev_periodic_stop (EV_P_ ev_periodic *w)
1826{ 1977{
1827 clear_pending (EV_A_ (W)w); 1978 clear_pending (EV_A_ (W)w);
1828 if (expect_false (!ev_is_active (w))) 1979 if (expect_false (!ev_is_active (w)))
1829 return; 1980 return;
1830 1981
1831 assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == (WT)w));
1832
1833 { 1982 {
1834 int active = ((W)w)->active; 1983 int active = ev_active (w);
1835 1984
1985 assert (("internal periodic heap corruption", periodics [active] == (WT)w));
1986
1836 if (expect_true (--active < --periodiccnt)) 1987 if (expect_true (active < periodiccnt))
1837 { 1988 {
1838 periodics [active] = periodics [periodiccnt]; 1989 periodics [active] = periodics [periodiccnt];
1839 adjustheap (periodics, periodiccnt, active); 1990 adjustheap (periodics, periodiccnt, active);
1840 } 1991 }
1992
1993 --periodiccnt;
1841 } 1994 }
1842 1995
1843 ev_stop (EV_A_ (W)w); 1996 ev_stop (EV_A_ (W)w);
1844} 1997}
1845 1998
1864#endif 2017#endif
1865 if (expect_false (ev_is_active (w))) 2018 if (expect_false (ev_is_active (w)))
1866 return; 2019 return;
1867 2020
1868 assert (("ev_signal_start called with illegal signal number", w->signum > 0)); 2021 assert (("ev_signal_start called with illegal signal number", w->signum > 0));
2022
2023 evpipe_init (EV_A);
1869 2024
1870 { 2025 {
1871#ifndef _WIN32 2026#ifndef _WIN32
1872 sigset_t full, prev; 2027 sigset_t full, prev;
1873 sigfillset (&full); 2028 sigfillset (&full);
1885 wlist_add (&signals [w->signum - 1].head, (WL)w); 2040 wlist_add (&signals [w->signum - 1].head, (WL)w);
1886 2041
1887 if (!((WL)w)->next) 2042 if (!((WL)w)->next)
1888 { 2043 {
1889#if _WIN32 2044#if _WIN32
1890 signal (w->signum, sighandler); 2045 signal (w->signum, ev_sighandler);
1891#else 2046#else
1892 struct sigaction sa; 2047 struct sigaction sa;
1893 sa.sa_handler = sighandler; 2048 sa.sa_handler = ev_sighandler;
1894 sigfillset (&sa.sa_mask); 2049 sigfillset (&sa.sa_mask);
1895 sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ 2050 sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */
1896 sigaction (w->signum, &sa, 0); 2051 sigaction (w->signum, &sa, 0);
1897#endif 2052#endif
1898 } 2053 }
2213 clear_pending (EV_A_ (W)w); 2368 clear_pending (EV_A_ (W)w);
2214 if (expect_false (!ev_is_active (w))) 2369 if (expect_false (!ev_is_active (w)))
2215 return; 2370 return;
2216 2371
2217 { 2372 {
2218 int active = ((W)w)->active; 2373 int active = ev_active (w);
2219 2374
2220 idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]]; 2375 idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]];
2221 ((W)idles [ABSPRI (w)][active - 1])->active = active; 2376 ev_active (idles [ABSPRI (w)][active - 1]) = active;
2222 2377
2223 ev_stop (EV_A_ (W)w); 2378 ev_stop (EV_A_ (W)w);
2224 --idleall; 2379 --idleall;
2225 } 2380 }
2226} 2381}
2243 clear_pending (EV_A_ (W)w); 2398 clear_pending (EV_A_ (W)w);
2244 if (expect_false (!ev_is_active (w))) 2399 if (expect_false (!ev_is_active (w)))
2245 return; 2400 return;
2246 2401
2247 { 2402 {
2248 int active = ((W)w)->active; 2403 int active = ev_active (w);
2404
2249 prepares [active - 1] = prepares [--preparecnt]; 2405 prepares [active - 1] = prepares [--preparecnt];
2250 ((W)prepares [active - 1])->active = active; 2406 ev_active (prepares [active - 1]) = active;
2251 } 2407 }
2252 2408
2253 ev_stop (EV_A_ (W)w); 2409 ev_stop (EV_A_ (W)w);
2254} 2410}
2255 2411
2270 clear_pending (EV_A_ (W)w); 2426 clear_pending (EV_A_ (W)w);
2271 if (expect_false (!ev_is_active (w))) 2427 if (expect_false (!ev_is_active (w)))
2272 return; 2428 return;
2273 2429
2274 { 2430 {
2275 int active = ((W)w)->active; 2431 int active = ev_active (w);
2432
2276 checks [active - 1] = checks [--checkcnt]; 2433 checks [active - 1] = checks [--checkcnt];
2277 ((W)checks [active - 1])->active = active; 2434 ev_active (checks [active - 1]) = active;
2278 } 2435 }
2279 2436
2280 ev_stop (EV_A_ (W)w); 2437 ev_stop (EV_A_ (W)w);
2281} 2438}
2282 2439
2378 clear_pending (EV_A_ (W)w); 2535 clear_pending (EV_A_ (W)w);
2379 if (expect_false (!ev_is_active (w))) 2536 if (expect_false (!ev_is_active (w)))
2380 return; 2537 return;
2381 2538
2382 { 2539 {
2383 int active = ((W)w)->active; 2540 int active = ev_active (w);
2541
2384 forks [active - 1] = forks [--forkcnt]; 2542 forks [active - 1] = forks [--forkcnt];
2385 ((W)forks [active - 1])->active = active; 2543 ev_active (forks [active - 1]) = active;
2386 } 2544 }
2387 2545
2388 ev_stop (EV_A_ (W)w); 2546 ev_stop (EV_A_ (W)w);
2547}
2548#endif
2549
2550#if EV_ASYNC_ENABLE
2551void
2552ev_async_start (EV_P_ ev_async *w)
2553{
2554 if (expect_false (ev_is_active (w)))
2555 return;
2556
2557 evpipe_init (EV_A);
2558
2559 ev_start (EV_A_ (W)w, ++asynccnt);
2560 array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2);
2561 asyncs [asynccnt - 1] = w;
2562}
2563
2564void
2565ev_async_stop (EV_P_ ev_async *w)
2566{
2567 clear_pending (EV_A_ (W)w);
2568 if (expect_false (!ev_is_active (w)))
2569 return;
2570
2571 {
2572 int active = ev_active (w);
2573
2574 asyncs [active - 1] = asyncs [--asynccnt];
2575 ev_active (asyncs [active - 1]) = active;
2576 }
2577
2578 ev_stop (EV_A_ (W)w);
2579}
2580
2581void
2582ev_async_send (EV_P_ ev_async *w)
2583{
2584 w->sent = 1;
2585 evpipe_write (EV_A_ &gotasync);
2389} 2586}
2390#endif 2587#endif
2391 2588
2392/*****************************************************************************/ 2589/*****************************************************************************/
2393 2590

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