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Comparing libev/ev.c (file contents):
Revision 1.263 by root, Wed Oct 1 18:50:03 2008 UTC vs.
Revision 1.284 by root, Wed Apr 15 17:49:26 2009 UTC

1/* 1/*
2 * libev event processing core, watcher management 2 * libev event processing core, watcher management
3 * 3 *
4 * Copyright (c) 2007,2008 Marc Alexander Lehmann <libev@schmorp.de> 4 * Copyright (c) 2007,2008,2009 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 *
… …
47# include EV_CONFIG_H 47# include EV_CONFIG_H
48# else 48# else
49# include "config.h" 49# include "config.h"
50# endif 50# endif
51 51
52# if HAVE_CLOCK_SYSCALL
53# ifndef EV_USE_CLOCK_SYSCALL
54# define EV_USE_CLOCK_SYSCALL 1
55# ifndef EV_USE_REALTIME
56# define EV_USE_REALTIME 0
57# endif
58# ifndef EV_USE_MONOTONIC
59# define EV_USE_MONOTONIC 1
60# endif
61# endif
62# endif
63
52# if HAVE_CLOCK_GETTIME 64# if HAVE_CLOCK_GETTIME
53# ifndef EV_USE_MONOTONIC 65# ifndef EV_USE_MONOTONIC
54# define EV_USE_MONOTONIC 1 66# define EV_USE_MONOTONIC 1
55# endif 67# endif
56# ifndef EV_USE_REALTIME 68# ifndef EV_USE_REALTIME
57# define EV_USE_REALTIME 1 69# define EV_USE_REALTIME 0
58# endif 70# endif
59# else 71# else
60# ifndef EV_USE_MONOTONIC 72# ifndef EV_USE_MONOTONIC
61# define EV_USE_MONOTONIC 0 73# define EV_USE_MONOTONIC 0
62# endif 74# endif
… …
164# endif 176# endif
165#endif 177#endif
166 178
167/* this block tries to deduce configuration from header-defined symbols and defaults */ 179/* this block tries to deduce configuration from header-defined symbols and defaults */
168 180
181#ifndef EV_USE_CLOCK_SYSCALL
182# if __linux && __GLIBC__ >= 2
183# define EV_USE_CLOCK_SYSCALL 1
184# else
185# define EV_USE_CLOCK_SYSCALL 0
186# endif
187#endif
188
169#ifndef EV_USE_MONOTONIC 189#ifndef EV_USE_MONOTONIC
170# if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0 190# if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0
171# define EV_USE_MONOTONIC 1 191# define EV_USE_MONOTONIC 1
172# else 192# else
173# define EV_USE_MONOTONIC 0 193# define EV_USE_MONOTONIC 0
174# endif 194# endif
175#endif 195#endif
176 196
177#ifndef EV_USE_REALTIME 197#ifndef EV_USE_REALTIME
178# define EV_USE_REALTIME 0 198# define EV_USE_REALTIME !EV_USE_CLOCK_SYSCALL
179#endif 199#endif
180 200
181#ifndef EV_USE_NANOSLEEP 201#ifndef EV_USE_NANOSLEEP
182# if _POSIX_C_SOURCE >= 199309L 202# if _POSIX_C_SOURCE >= 199309L
183# define EV_USE_NANOSLEEP 1 203# define EV_USE_NANOSLEEP 1
… …
286# include <sys/select.h> 306# include <sys/select.h>
287# endif 307# endif
288#endif 308#endif
289 309
290#if EV_USE_INOTIFY 310#if EV_USE_INOTIFY
311# include <sys/utsname.h>
312# include <sys/statfs.h>
291# include <sys/inotify.h> 313# include <sys/inotify.h>
292/* some very old inotify.h headers don't have IN_DONT_FOLLOW */ 314/* some very old inotify.h headers don't have IN_DONT_FOLLOW */
293# ifndef IN_DONT_FOLLOW 315# ifndef IN_DONT_FOLLOW
294# undef EV_USE_INOTIFY 316# undef EV_USE_INOTIFY
295# define EV_USE_INOTIFY 0 317# define EV_USE_INOTIFY 0
296# endif 318# endif
297#endif 319#endif
298 320
299#if EV_SELECT_IS_WINSOCKET 321#if EV_SELECT_IS_WINSOCKET
300# include <winsock.h> 322# include <winsock.h>
323#endif
324
325/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */
326/* which makes programs even slower. might work on other unices, too. */
327#if EV_USE_CLOCK_SYSCALL
328# include <syscall.h>
329# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))
330# undef EV_USE_MONOTONIC
331# define EV_USE_MONOTONIC 1
301#endif 332#endif
302 333
303#if EV_USE_EVENTFD 334#if EV_USE_EVENTFD
304/* our minimum requirement is glibc 2.7 which has the stub, but not the header */ 335/* our minimum requirement is glibc 2.7 which has the stub, but not the header */
305# include <stdint.h> 336# include <stdint.h>
… …
366typedef ev_watcher_time *WT; 397typedef ev_watcher_time *WT;
367 398
368#define ev_active(w) ((W)(w))->active 399#define ev_active(w) ((W)(w))->active
369#define ev_at(w) ((WT)(w))->at 400#define ev_at(w) ((WT)(w))->at
370 401
371#if EV_USE_MONOTONIC 402#if EV_USE_REALTIME
372/* sig_atomic_t is used to avoid per-thread variables or locking but still */ 403/* sig_atomic_t is used to avoid per-thread variables or locking but still */
373/* giving it a reasonably high chance of working on typical architetcures */ 404/* giving it a reasonably high chance of working on typical architetcures */
405static EV_ATOMIC_T have_realtime; /* did clock_gettime (CLOCK_REALTIME) work? */
406#endif
407
408#if EV_USE_MONOTONIC
374static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ 409static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */
375#endif 410#endif
376 411
377#ifdef _WIN32 412#ifdef _WIN32
378# include "ev_win32.c" 413# include "ev_win32.c"
… …
387{ 422{
388 syserr_cb = cb; 423 syserr_cb = cb;
389} 424}
390 425
391static void noinline 426static void noinline
392syserr (const char *msg) 427ev_syserr (const char *msg)
393{ 428{
394 if (!msg) 429 if (!msg)
395 msg = "(libev) system error"; 430 msg = "(libev) system error";
396 431
397 if (syserr_cb) 432 if (syserr_cb)
… …
448typedef struct 483typedef struct
449{ 484{
450 WL head; 485 WL head;
451 unsigned char events; 486 unsigned char events;
452 unsigned char reify; 487 unsigned char reify;
488 unsigned char emask; /* the epoll backend stores the actual kernel mask in here */
489 unsigned char unused;
490#if EV_USE_EPOLL
491 unsigned int egen; /* generation counter to counter epoll bugs */
492#endif
453#if EV_SELECT_IS_WINSOCKET 493#if EV_SELECT_IS_WINSOCKET
454 SOCKET handle; 494 SOCKET handle;
455#endif 495#endif
456} ANFD; 496} ANFD;
457 497
… …
517 557
518ev_tstamp 558ev_tstamp
519ev_time (void) 559ev_time (void)
520{ 560{
521#if EV_USE_REALTIME 561#if EV_USE_REALTIME
562 if (expect_true (have_realtime))
563 {
522 struct timespec ts; 564 struct timespec ts;
523 clock_gettime (CLOCK_REALTIME, &ts); 565 clock_gettime (CLOCK_REALTIME, &ts);
524 return ts.tv_sec + ts.tv_nsec * 1e-9; 566 return ts.tv_sec + ts.tv_nsec * 1e-9;
525#else 567 }
568#endif
569
526 struct timeval tv; 570 struct timeval tv;
527 gettimeofday (&tv, 0); 571 gettimeofday (&tv, 0);
528 return tv.tv_sec + tv.tv_usec * 1e-6; 572 return tv.tv_sec + tv.tv_usec * 1e-6;
529#endif
530} 573}
531 574
532ev_tstamp inline_size 575inline_size ev_tstamp
533get_clock (void) 576get_clock (void)
534{ 577{
535#if EV_USE_MONOTONIC 578#if EV_USE_MONOTONIC
536 if (expect_true (have_monotonic)) 579 if (expect_true (have_monotonic))
537 { 580 {
… …
582 625
583/*****************************************************************************/ 626/*****************************************************************************/
584 627
585#define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */ 628#define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */
586 629
587int inline_size 630inline_size int
588array_nextsize (int elem, int cur, int cnt) 631array_nextsize (int elem, int cur, int cnt)
589{ 632{
590 int ncur = cur + 1; 633 int ncur = cur + 1;
591 634
592 do 635 do
… …
609array_realloc (int elem, void *base, int *cur, int cnt) 652array_realloc (int elem, void *base, int *cur, int cnt)
610{ 653{
611 *cur = array_nextsize (elem, *cur, cnt); 654 *cur = array_nextsize (elem, *cur, cnt);
612 return ev_realloc (base, elem * *cur); 655 return ev_realloc (base, elem * *cur);
613} 656}
657
658#define array_init_zero(base,count) \
659 memset ((void *)(base), 0, sizeof (*(base)) * (count))
614 660
615#define array_needsize(type,base,cur,cnt,init) \ 661#define array_needsize(type,base,cur,cnt,init) \
616 if (expect_false ((cnt) > (cur))) \ 662 if (expect_false ((cnt) > (cur))) \
617 { \ 663 { \
618 int ocur_ = (cur); \ 664 int ocur_ = (cur); \
… …
630 fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ 676 fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\
631 } 677 }
632#endif 678#endif
633 679
634#define array_free(stem, idx) \ 680#define array_free(stem, idx) \
635 ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; 681 ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0
636 682
637/*****************************************************************************/ 683/*****************************************************************************/
638 684
639void noinline 685void noinline
640ev_feed_event (EV_P_ void *w, int revents) 686ev_feed_event (EV_P_ void *w, int revents)
… …
651 pendings [pri][w_->pending - 1].w = w_; 697 pendings [pri][w_->pending - 1].w = w_;
652 pendings [pri][w_->pending - 1].events = revents; 698 pendings [pri][w_->pending - 1].events = revents;
653 } 699 }
654} 700}
655 701
656void inline_speed 702inline_speed void
703feed_reverse (EV_P_ W w)
704{
705 array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, EMPTY2);
706 rfeeds [rfeedcnt++] = w;
707}
708
709inline_size void
710feed_reverse_done (EV_P_ int revents)
711{
712 do
713 ev_feed_event (EV_A_ rfeeds [--rfeedcnt], revents);
714 while (rfeedcnt);
715}
716
717inline_speed void
657queue_events (EV_P_ W *events, int eventcnt, int type) 718queue_events (EV_P_ W *events, int eventcnt, int type)
658{ 719{
659 int i; 720 int i;
660 721
661 for (i = 0; i < eventcnt; ++i) 722 for (i = 0; i < eventcnt; ++i)
662 ev_feed_event (EV_A_ events [i], type); 723 ev_feed_event (EV_A_ events [i], type);
663} 724}
664 725
665/*****************************************************************************/ 726/*****************************************************************************/
666 727
667void inline_size 728inline_speed void
668anfds_init (ANFD *base, int count)
669{
670 while (count--)
671 {
672 base->head = 0;
673 base->events = EV_NONE;
674 base->reify = 0;
675
676 ++base;
677 }
678}
679
680void inline_speed
681fd_event (EV_P_ int fd, int revents) 729fd_event (EV_P_ int fd, int revents)
682{ 730{
683 ANFD *anfd = anfds + fd; 731 ANFD *anfd = anfds + fd;
684 ev_io *w; 732 ev_io *w;
685 733
… …
697{ 745{
698 if (fd >= 0 && fd < anfdmax) 746 if (fd >= 0 && fd < anfdmax)
699 fd_event (EV_A_ fd, revents); 747 fd_event (EV_A_ fd, revents);
700} 748}
701 749
702void inline_size 750inline_size void
703fd_reify (EV_P) 751fd_reify (EV_P)
704{ 752{
705 int i; 753 int i;
706 754
707 for (i = 0; i < fdchangecnt; ++i) 755 for (i = 0; i < fdchangecnt; ++i)
… …
722 #ifdef EV_FD_TO_WIN32_HANDLE 770 #ifdef EV_FD_TO_WIN32_HANDLE
723 anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); 771 anfd->handle = EV_FD_TO_WIN32_HANDLE (fd);
724 #else 772 #else
725 anfd->handle = _get_osfhandle (fd); 773 anfd->handle = _get_osfhandle (fd);
726 #endif 774 #endif
727 assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); 775 assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0));
728 } 776 }
729#endif 777#endif
730 778
731 { 779 {
732 unsigned char o_events = anfd->events; 780 unsigned char o_events = anfd->events;
733 unsigned char o_reify = anfd->reify; 781 unsigned char o_reify = anfd->reify;
734 782
735 anfd->reify = 0; 783 anfd->reify = 0;
736 anfd->events = events; 784 anfd->events = events;
737 785
738 if (o_events != events || o_reify & EV_IOFDSET) 786 if (o_events != events || o_reify & EV__IOFDSET)
739 backend_modify (EV_A_ fd, o_events, events); 787 backend_modify (EV_A_ fd, o_events, events);
740 } 788 }
741 } 789 }
742 790
743 fdchangecnt = 0; 791 fdchangecnt = 0;
744} 792}
745 793
746void inline_size 794inline_size void
747fd_change (EV_P_ int fd, int flags) 795fd_change (EV_P_ int fd, int flags)
748{ 796{
749 unsigned char reify = anfds [fd].reify; 797 unsigned char reify = anfds [fd].reify;
750 anfds [fd].reify |= flags; 798 anfds [fd].reify |= flags;
751 799
… …
755 array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); 803 array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2);
756 fdchanges [fdchangecnt - 1] = fd; 804 fdchanges [fdchangecnt - 1] = fd;
757 } 805 }
758} 806}
759 807
760void inline_speed 808inline_speed void
761fd_kill (EV_P_ int fd) 809fd_kill (EV_P_ int fd)
762{ 810{
763 ev_io *w; 811 ev_io *w;
764 812
765 while ((w = (ev_io *)anfds [fd].head)) 813 while ((w = (ev_io *)anfds [fd].head))
… …
767 ev_io_stop (EV_A_ w); 815 ev_io_stop (EV_A_ w);
768 ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); 816 ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE);
769 } 817 }
770} 818}
771 819
772int inline_size 820inline_size int
773fd_valid (int fd) 821fd_valid (int fd)
774{ 822{
775#ifdef _WIN32 823#ifdef _WIN32
776 return _get_osfhandle (fd) != -1; 824 return _get_osfhandle (fd) != -1;
777#else 825#else
… …
813 861
814 for (fd = 0; fd < anfdmax; ++fd) 862 for (fd = 0; fd < anfdmax; ++fd)
815 if (anfds [fd].events) 863 if (anfds [fd].events)
816 { 864 {
817 anfds [fd].events = 0; 865 anfds [fd].events = 0;
866 anfds [fd].emask = 0;
818 fd_change (EV_A_ fd, EV_IOFDSET | 1); 867 fd_change (EV_A_ fd, EV__IOFDSET | 1);
819 } 868 }
820} 869}
821 870
822/*****************************************************************************/ 871/*****************************************************************************/
823 872
… …
839#define HEAP0 (DHEAP - 1) /* index of first element in heap */ 888#define HEAP0 (DHEAP - 1) /* index of first element in heap */
840#define HPARENT(k) ((((k) - HEAP0 - 1) / DHEAP) + HEAP0) 889#define HPARENT(k) ((((k) - HEAP0 - 1) / DHEAP) + HEAP0)
841#define UPHEAP_DONE(p,k) ((p) == (k)) 890#define UPHEAP_DONE(p,k) ((p) == (k))
842 891
843/* away from the root */ 892/* away from the root */
844void inline_speed 893inline_speed void
845downheap (ANHE *heap, int N, int k) 894downheap (ANHE *heap, int N, int k)
846{ 895{
847 ANHE he = heap [k]; 896 ANHE he = heap [k];
848 ANHE *E = heap + N + HEAP0; 897 ANHE *E = heap + N + HEAP0;
849 898
… …
889#define HEAP0 1 938#define HEAP0 1
890#define HPARENT(k) ((k) >> 1) 939#define HPARENT(k) ((k) >> 1)
891#define UPHEAP_DONE(p,k) (!(p)) 940#define UPHEAP_DONE(p,k) (!(p))
892 941
893/* away from the root */ 942/* away from the root */
894void inline_speed 943inline_speed void
895downheap (ANHE *heap, int N, int k) 944downheap (ANHE *heap, int N, int k)
896{ 945{
897 ANHE he = heap [k]; 946 ANHE he = heap [k];
898 947
899 for (;;) 948 for (;;)
… …
919 ev_active (ANHE_w (he)) = k; 968 ev_active (ANHE_w (he)) = k;
920} 969}
921#endif 970#endif
922 971
923/* towards the root */ 972/* towards the root */
924void inline_speed 973inline_speed void
925upheap (ANHE *heap, int k) 974upheap (ANHE *heap, int k)
926{ 975{
927 ANHE he = heap [k]; 976 ANHE he = heap [k];
928 977
929 for (;;) 978 for (;;)
… …
940 989
941 heap [k] = he; 990 heap [k] = he;
942 ev_active (ANHE_w (he)) = k; 991 ev_active (ANHE_w (he)) = k;
943} 992}
944 993
945void inline_size 994inline_size void
946adjustheap (ANHE *heap, int N, int k) 995adjustheap (ANHE *heap, int N, int k)
947{ 996{
948 if (k > HEAP0 && ANHE_at (heap [HPARENT (k)]) >= ANHE_at (heap [k])) 997 if (k > HEAP0 && ANHE_at (heap [HPARENT (k)]) >= ANHE_at (heap [k]))
949 upheap (heap, k); 998 upheap (heap, k);
950 else 999 else
951 downheap (heap, N, k); 1000 downheap (heap, N, k);
952} 1001}
953 1002
954/* rebuild the heap: this function is used only once and executed rarely */ 1003/* rebuild the heap: this function is used only once and executed rarely */
955void inline_size 1004inline_size void
956reheap (ANHE *heap, int N) 1005reheap (ANHE *heap, int N)
957{ 1006{
958 int i; 1007 int i;
959 1008
960 /* we don't use floyds algorithm, upheap is simpler and is more cache-efficient */ 1009 /* we don't use floyds algorithm, upheap is simpler and is more cache-efficient */
… …
974static ANSIG *signals; 1023static ANSIG *signals;
975static int signalmax; 1024static int signalmax;
976 1025
977static EV_ATOMIC_T gotsig; 1026static EV_ATOMIC_T gotsig;
978 1027
979void inline_size
980signals_init (ANSIG *base, int count)
981{
982 while (count--)
983 {
984 base->head = 0;
985 base->gotsig = 0;
986
987 ++base;
988 }
989}
990
991/*****************************************************************************/ 1028/*****************************************************************************/
992 1029
993void inline_speed 1030inline_speed void
994fd_intern (int fd) 1031fd_intern (int fd)
995{ 1032{
996#ifdef _WIN32 1033#ifdef _WIN32
997 unsigned long arg = 1; 1034 unsigned long arg = 1;
998 ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); 1035 ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg);
… …
1016 } 1053 }
1017 else 1054 else
1018#endif 1055#endif
1019 { 1056 {
1020 while (pipe (evpipe)) 1057 while (pipe (evpipe))
1021 syserr ("(libev) error creating signal/async pipe"); 1058 ev_syserr ("(libev) error creating signal/async pipe");
1022 1059
1023 fd_intern (evpipe [0]); 1060 fd_intern (evpipe [0]);
1024 fd_intern (evpipe [1]); 1061 fd_intern (evpipe [1]);
1025 ev_io_set (&pipeev, evpipe [0], EV_READ); 1062 ev_io_set (&pipeev, evpipe [0], EV_READ);
1026 } 1063 }
… …
1028 ev_io_start (EV_A_ &pipeev); 1065 ev_io_start (EV_A_ &pipeev);
1029 ev_unref (EV_A); /* watcher should not keep loop alive */ 1066 ev_unref (EV_A); /* watcher should not keep loop alive */
1030 } 1067 }
1031} 1068}
1032 1069
1033void inline_size 1070inline_size void
1034evpipe_write (EV_P_ EV_ATOMIC_T *flag) 1071evpipe_write (EV_P_ EV_ATOMIC_T *flag)
1035{ 1072{
1036 if (!*flag) 1073 if (!*flag)
1037 { 1074 {
1038 int old_errno = errno; /* save errno because write might clobber it */ 1075 int old_errno = errno; /* save errno because write might clobber it */
… …
1116ev_feed_signal_event (EV_P_ int signum) 1153ev_feed_signal_event (EV_P_ int signum)
1117{ 1154{
1118 WL w; 1155 WL w;
1119 1156
1120#if EV_MULTIPLICITY 1157#if EV_MULTIPLICITY
1121 assert (("feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr)); 1158 assert (("libev: feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr));
1122#endif 1159#endif
1123 1160
1124 --signum; 1161 --signum;
1125 1162
1126 if (signum < 0 || signum >= signalmax) 1163 if (signum < 0 || signum >= signalmax)
… …
1142 1179
1143#ifndef WIFCONTINUED 1180#ifndef WIFCONTINUED
1144# define WIFCONTINUED(status) 0 1181# define WIFCONTINUED(status) 0
1145#endif 1182#endif
1146 1183
1147void inline_speed 1184inline_speed void
1148child_reap (EV_P_ int chain, int pid, int status) 1185child_reap (EV_P_ int chain, int pid, int status)
1149{ 1186{
1150 ev_child *w; 1187 ev_child *w;
1151 int traced = WIFSTOPPED (status) || WIFCONTINUED (status); 1188 int traced = WIFSTOPPED (status) || WIFCONTINUED (status);
1152 1189
… …
1255 /* kqueue is borked on everything but netbsd apparently */ 1292 /* kqueue is borked on everything but netbsd apparently */
1256 /* it usually doesn't work correctly on anything but sockets and pipes */ 1293 /* it usually doesn't work correctly on anything but sockets and pipes */
1257 flags &= ~EVBACKEND_KQUEUE; 1294 flags &= ~EVBACKEND_KQUEUE;
1258#endif 1295#endif
1259#ifdef __APPLE__ 1296#ifdef __APPLE__
1260 // flags &= ~EVBACKEND_KQUEUE; for documentation 1297 /* only select works correctly on that "unix-certified" platform */
1261 flags &= ~EVBACKEND_POLL; 1298 flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */
1299 flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */
1262#endif 1300#endif
1263 1301
1264 return flags; 1302 return flags;
1265} 1303}
1266 1304
… …
1303static void noinline 1341static void noinline
1304loop_init (EV_P_ unsigned int flags) 1342loop_init (EV_P_ unsigned int flags)
1305{ 1343{
1306 if (!backend) 1344 if (!backend)
1307 { 1345 {
1346#if EV_USE_REALTIME
1347 if (!have_realtime)
1348 {
1349 struct timespec ts;
1350
1351 if (!clock_gettime (CLOCK_REALTIME, &ts))
1352 have_realtime = 1;
1353 }
1354#endif
1355
1308#if EV_USE_MONOTONIC 1356#if EV_USE_MONOTONIC
1357 if (!have_monotonic)
1309 { 1358 {
1310 struct timespec ts; 1359 struct timespec ts;
1360
1311 if (!clock_gettime (CLOCK_MONOTONIC, &ts)) 1361 if (!clock_gettime (CLOCK_MONOTONIC, &ts))
1312 have_monotonic = 1; 1362 have_monotonic = 1;
1313 } 1363 }
1314#endif 1364#endif
1315 1365
1316 ev_rt_now = ev_time (); 1366 ev_rt_now = ev_time ();
1317 mn_now = get_clock (); 1367 mn_now = get_clock ();
1318 now_floor = mn_now; 1368 now_floor = mn_now;
… …
1417 } 1467 }
1418 1468
1419 ev_free (anfds); anfdmax = 0; 1469 ev_free (anfds); anfdmax = 0;
1420 1470
1421 /* have to use the microsoft-never-gets-it-right macro */ 1471 /* have to use the microsoft-never-gets-it-right macro */
1472 array_free (rfeed, EMPTY);
1422 array_free (fdchange, EMPTY); 1473 array_free (fdchange, EMPTY);
1423 array_free (timer, EMPTY); 1474 array_free (timer, EMPTY);
1424#if EV_PERIODIC_ENABLE 1475#if EV_PERIODIC_ENABLE
1425 array_free (periodic, EMPTY); 1476 array_free (periodic, EMPTY);
1426#endif 1477#endif
… …
1435 1486
1436 backend = 0; 1487 backend = 0;
1437} 1488}
1438 1489
1439#if EV_USE_INOTIFY 1490#if EV_USE_INOTIFY
1440void inline_size infy_fork (EV_P); 1491inline_size void infy_fork (EV_P);
1441#endif 1492#endif
1442 1493
1443void inline_size 1494inline_size void
1444loop_fork (EV_P) 1495loop_fork (EV_P)
1445{ 1496{
1446#if EV_USE_PORT 1497#if EV_USE_PORT
1447 if (backend == EVBACKEND_PORT ) port_fork (EV_A); 1498 if (backend == EVBACKEND_PORT ) port_fork (EV_A);
1448#endif 1499#endif
… …
1519 1570
1520#if EV_VERIFY 1571#if EV_VERIFY
1521static void noinline 1572static void noinline
1522verify_watcher (EV_P_ W w) 1573verify_watcher (EV_P_ W w)
1523{ 1574{
1524 assert (("watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); 1575 assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI));
1525 1576
1526 if (w->pending) 1577 if (w->pending)
1527 assert (("pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); 1578 assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w));
1528} 1579}
1529 1580
1530static void noinline 1581static void noinline
1531verify_heap (EV_P_ ANHE *heap, int N) 1582verify_heap (EV_P_ ANHE *heap, int N)
1532{ 1583{
1533 int i; 1584 int i;
1534 1585
1535 for (i = HEAP0; i < N + HEAP0; ++i) 1586 for (i = HEAP0; i < N + HEAP0; ++i)
1536 { 1587 {
1537 assert (("active index mismatch in heap", ev_active (ANHE_w (heap [i])) == i)); 1588 assert (("libev: active index mismatch in heap", ev_active (ANHE_w (heap [i])) == i));
1538 assert (("heap condition violated", i == HEAP0 || ANHE_at (heap [HPARENT (i)]) <= ANHE_at (heap [i]))); 1589 assert (("libev: heap condition violated", i == HEAP0 || ANHE_at (heap [HPARENT (i)]) <= ANHE_at (heap [i])));
1539 assert (("heap at cache mismatch", ANHE_at (heap [i]) == ev_at (ANHE_w (heap [i])))); 1590 assert (("libev: heap at cache mismatch", ANHE_at (heap [i]) == ev_at (ANHE_w (heap [i]))));
1540 1591
1541 verify_watcher (EV_A_ (W)ANHE_w (heap [i])); 1592 verify_watcher (EV_A_ (W)ANHE_w (heap [i]));
1542 } 1593 }
1543} 1594}
1544 1595
1545static void noinline 1596static void noinline
1546array_verify (EV_P_ W *ws, int cnt) 1597array_verify (EV_P_ W *ws, int cnt)
1547{ 1598{
1548 while (cnt--) 1599 while (cnt--)
1549 { 1600 {
1550 assert (("active index mismatch", ev_active (ws [cnt]) == cnt + 1)); 1601 assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1));
1551 verify_watcher (EV_A_ ws [cnt]); 1602 verify_watcher (EV_A_ ws [cnt]);
1552 } 1603 }
1553} 1604}
1554#endif 1605#endif
1555 1606
… …
1562 1613
1563 assert (activecnt >= -1); 1614 assert (activecnt >= -1);
1564 1615
1565 assert (fdchangemax >= fdchangecnt); 1616 assert (fdchangemax >= fdchangecnt);
1566 for (i = 0; i < fdchangecnt; ++i) 1617 for (i = 0; i < fdchangecnt; ++i)
1567 assert (("negative fd in fdchanges", fdchanges [i] >= 0)); 1618 assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));
1568 1619
1569 assert (anfdmax >= 0); 1620 assert (anfdmax >= 0);
1570 for (i = 0; i < anfdmax; ++i) 1621 for (i = 0; i < anfdmax; ++i)
1571 for (w = anfds [i].head; w; w = w->next) 1622 for (w = anfds [i].head; w; w = w->next)
1572 { 1623 {
1573 verify_watcher (EV_A_ (W)w); 1624 verify_watcher (EV_A_ (W)w);
1574 assert (("inactive fd watcher on anfd list", ev_active (w) == 1)); 1625 assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1));
1575 assert (("fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i)); 1626 assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i));
1576 } 1627 }
1577 1628
1578 assert (timermax >= timercnt); 1629 assert (timermax >= timercnt);
1579 verify_heap (EV_A_ timers, timercnt); 1630 verify_heap (EV_A_ timers, timercnt);
1580 1631
… …
1657{ 1708{
1658#if EV_MULTIPLICITY 1709#if EV_MULTIPLICITY
1659 struct ev_loop *loop = ev_default_loop_ptr; 1710 struct ev_loop *loop = ev_default_loop_ptr;
1660#endif 1711#endif
1661 1712
1713 ev_default_loop_ptr = 0;
1714
1662#ifndef _WIN32 1715#ifndef _WIN32
1663 ev_ref (EV_A); /* child watcher */ 1716 ev_ref (EV_A); /* child watcher */
1664 ev_signal_stop (EV_A_ &childev); 1717 ev_signal_stop (EV_A_ &childev);
1665#endif 1718#endif
1666 1719
… …
1672{ 1725{
1673#if EV_MULTIPLICITY 1726#if EV_MULTIPLICITY
1674 struct ev_loop *loop = ev_default_loop_ptr; 1727 struct ev_loop *loop = ev_default_loop_ptr;
1675#endif 1728#endif
1676 1729
1677 if (backend)
1678 postfork = 1; /* must be in line with ev_loop_fork */ 1730 postfork = 1; /* must be in line with ev_loop_fork */
1679} 1731}
1680 1732
1681/*****************************************************************************/ 1733/*****************************************************************************/
1682 1734
1683void 1735void
1684ev_invoke (EV_P_ void *w, int revents) 1736ev_invoke (EV_P_ void *w, int revents)
1685{ 1737{
1686 EV_CB_INVOKE ((W)w, revents); 1738 EV_CB_INVOKE ((W)w, revents);
1687} 1739}
1688 1740
1689void inline_speed 1741inline_speed void
1690call_pending (EV_P) 1742call_pending (EV_P)
1691{ 1743{
1692 int pri; 1744 int pri;
1693 1745
1694 for (pri = NUMPRI; pri--; ) 1746 for (pri = NUMPRI; pri--; )
… …
1696 { 1748 {
1697 ANPENDING *p = pendings [pri] + --pendingcnt [pri]; 1749 ANPENDING *p = pendings [pri] + --pendingcnt [pri];
1698 1750
1699 if (expect_true (p->w)) 1751 if (expect_true (p->w))
1700 { 1752 {
1701 /*assert (("non-pending watcher on pending list", p->w->pending));*/ 1753 /*assert (("libev: non-pending watcher on pending list", p->w->pending));*/
1702 1754
1703 p->w->pending = 0; 1755 p->w->pending = 0;
1704 EV_CB_INVOKE (p->w, p->events); 1756 EV_CB_INVOKE (p->w, p->events);
1705 EV_FREQUENT_CHECK; 1757 EV_FREQUENT_CHECK;
1706 } 1758 }
1707 } 1759 }
1708} 1760}
1709 1761
1710#if EV_IDLE_ENABLE 1762#if EV_IDLE_ENABLE
1711void inline_size 1763inline_size void
1712idle_reify (EV_P) 1764idle_reify (EV_P)
1713{ 1765{
1714 if (expect_false (idleall)) 1766 if (expect_false (idleall))
1715 { 1767 {
1716 int pri; 1768 int pri;
… …
1728 } 1780 }
1729 } 1781 }
1730} 1782}
1731#endif 1783#endif
1732 1784
1733void inline_size 1785inline_size void
1734timers_reify (EV_P) 1786timers_reify (EV_P)
1735{ 1787{
1736 EV_FREQUENT_CHECK; 1788 EV_FREQUENT_CHECK;
1737 1789
1738 while (timercnt && ANHE_at (timers [HEAP0]) < mn_now) 1790 if (timercnt && ANHE_at (timers [HEAP0]) < mn_now)
1739 { 1791 {
1740 ev_timer *w = (ev_timer *)ANHE_w (timers [HEAP0]); 1792 do
1741
1742 /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/
1743
1744 /* first reschedule or stop timer */
1745 if (w->repeat)
1746 { 1793 {
1794 ev_timer *w = (ev_timer *)ANHE_w (timers [HEAP0]);
1795
1796 /*assert (("libev: inactive timer on timer heap detected", ev_is_active (w)));*/
1797
1798 /* first reschedule or stop timer */
1799 if (w->repeat)
1800 {
1747 ev_at (w) += w->repeat; 1801 ev_at (w) += w->repeat;
1748 if (ev_at (w) < mn_now) 1802 if (ev_at (w) < mn_now)
1749 ev_at (w) = mn_now; 1803 ev_at (w) = mn_now;
1750 1804
1751 assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); 1805 assert (("libev: negative ev_timer repeat value found while processing timers", w->repeat > 0.));
1752 1806
1753 ANHE_at_cache (timers [HEAP0]); 1807 ANHE_at_cache (timers [HEAP0]);
1754 downheap (timers, timercnt, HEAP0); 1808 downheap (timers, timercnt, HEAP0);
1809 }
1810 else
1811 ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */
1812
1813 EV_FREQUENT_CHECK;
1814 feed_reverse (EV_A_ (W)w);
1755 } 1815 }
1756 else 1816 while (timercnt && ANHE_at (timers [HEAP0]) < mn_now);
1757 ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */
1758 1817
1759 EV_FREQUENT_CHECK;
1760 ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); 1818 feed_reverse_done (EV_A_ EV_TIMEOUT);
1761 } 1819 }
1762} 1820}
1763 1821
1764#if EV_PERIODIC_ENABLE 1822#if EV_PERIODIC_ENABLE
1765void inline_size 1823inline_size void
1766periodics_reify (EV_P) 1824periodics_reify (EV_P)
1767{ 1825{
1768 EV_FREQUENT_CHECK; 1826 EV_FREQUENT_CHECK;
1769 1827
1770 while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now) 1828 while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)
1771 { 1829 {
1772 ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]); 1830 int feed_count = 0;
1773 1831
1774 /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ 1832 do
1775
1776 /* first reschedule or stop timer */
1777 if (w->reschedule_cb)
1778 { 1833 {
1834 ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]);
1835
1836 /*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/
1837
1838 /* first reschedule or stop timer */
1839 if (w->reschedule_cb)
1840 {
1779 ev_at (w) = w->reschedule_cb (w, ev_rt_now); 1841 ev_at (w) = w->reschedule_cb (w, ev_rt_now);
1780 1842
1781 assert (("ev_periodic reschedule callback returned time in the past", ev_at (w) >= ev_rt_now)); 1843 assert (("libev: ev_periodic reschedule callback returned time in the past", ev_at (w) >= ev_rt_now));
1782 1844
1783 ANHE_at_cache (periodics [HEAP0]); 1845 ANHE_at_cache (periodics [HEAP0]);
1784 downheap (periodics, periodiccnt, HEAP0); 1846 downheap (periodics, periodiccnt, HEAP0);
1847 }
1848 else if (w->interval)
1849 {
1850 ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
1851 /* if next trigger time is not sufficiently in the future, put it there */
1852 /* this might happen because of floating point inexactness */
1853 if (ev_at (w) - ev_rt_now < TIME_EPSILON)
1854 {
1855 ev_at (w) += w->interval;
1856
1857 /* if interval is unreasonably low we might still have a time in the past */
1858 /* so correct this. this will make the periodic very inexact, but the user */
1859 /* has effectively asked to get triggered more often than possible */
1860 if (ev_at (w) < ev_rt_now)
1861 ev_at (w) = ev_rt_now;
1862 }
1863
1864 ANHE_at_cache (periodics [HEAP0]);
1865 downheap (periodics, periodiccnt, HEAP0);
1866 }
1867 else
1868 ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */
1869
1870 EV_FREQUENT_CHECK;
1871 feed_reverse (EV_A_ (W)w);
1785 } 1872 }
1786 else if (w->interval) 1873 while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now);
1787 {
1788 ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
1789 /* if next trigger time is not sufficiently in the future, put it there */
1790 /* this might happen because of floating point inexactness */
1791 if (ev_at (w) - ev_rt_now < TIME_EPSILON)
1792 {
1793 ev_at (w) += w->interval;
1794 1874
1795 /* if interval is unreasonably low we might still have a time in the past */
1796 /* so correct this. this will make the periodic very inexact, but the user */
1797 /* has effectively asked to get triggered more often than possible */
1798 if (ev_at (w) < ev_rt_now)
1799 ev_at (w) = ev_rt_now;
1800 }
1801
1802 ANHE_at_cache (periodics [HEAP0]);
1803 downheap (periodics, periodiccnt, HEAP0);
1804 }
1805 else
1806 ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */
1807
1808 EV_FREQUENT_CHECK;
1809 ev_feed_event (EV_A_ (W)w, EV_PERIODIC); 1875 feed_reverse_done (EV_A_ EV_PERIODIC);
1810 } 1876 }
1811} 1877}
1812 1878
1813static void noinline 1879static void noinline
1814periodics_reschedule (EV_P) 1880periodics_reschedule (EV_P)
… …
1830 1896
1831 reheap (periodics, periodiccnt); 1897 reheap (periodics, periodiccnt);
1832} 1898}
1833#endif 1899#endif
1834 1900
1835void inline_speed 1901inline_speed void
1836time_update (EV_P_ ev_tstamp max_block) 1902time_update (EV_P_ ev_tstamp max_block)
1837{ 1903{
1838 int i; 1904 int i;
1839 1905
1840#if EV_USE_MONOTONIC 1906#if EV_USE_MONOTONIC
… …
1961 { 2027 {
1962 queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); 2028 queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
1963 call_pending (EV_A); 2029 call_pending (EV_A);
1964 } 2030 }
1965 2031
1966 if (expect_false (!activecnt))
1967 break;
1968
1969 /* we might have forked, so reify kernel state if necessary */ 2032 /* we might have forked, so reify kernel state if necessary */
1970 if (expect_false (postfork)) 2033 if (expect_false (postfork))
1971 loop_fork (EV_A); 2034 loop_fork (EV_A);
1972 2035
1973 /* update fd-related kernel structures */ 2036 /* update fd-related kernel structures */
… …
1980 2043
1981 if (expect_true (!(flags & EVLOOP_NONBLOCK || idleall || !activecnt))) 2044 if (expect_true (!(flags & EVLOOP_NONBLOCK || idleall || !activecnt)))
1982 { 2045 {
1983 /* update time to cancel out callback processing overhead */ 2046 /* update time to cancel out callback processing overhead */
1984 time_update (EV_A_ 1e100); 2047 time_update (EV_A_ 1e100);
1985
1986 waittime = MAX_BLOCKTIME;
1987 2048
1988 if (timercnt) 2049 if (timercnt)
1989 { 2050 {
1990 ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge; 2051 ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge;
1991 if (waittime > to) waittime = to; 2052 if (waittime > to) waittime = to;
… …
2054 loop_done = how; 2115 loop_done = how;
2055} 2116}
2056 2117
2057/*****************************************************************************/ 2118/*****************************************************************************/
2058 2119
2059void inline_size 2120inline_size void
2060wlist_add (WL *head, WL elem) 2121wlist_add (WL *head, WL elem)
2061{ 2122{
2062 elem->next = *head; 2123 elem->next = *head;
2063 *head = elem; 2124 *head = elem;
2064} 2125}
2065 2126
2066void inline_size 2127inline_size void
2067wlist_del (WL *head, WL elem) 2128wlist_del (WL *head, WL elem)
2068{ 2129{
2069 while (*head) 2130 while (*head)
2070 { 2131 {
2071 if (*head == elem) 2132 if (*head == elem)
… …
2076 2137
2077 head = &(*head)->next; 2138 head = &(*head)->next;
2078 } 2139 }
2079} 2140}
2080 2141
2081void inline_speed 2142inline_speed void
2082clear_pending (EV_P_ W w) 2143clear_pending (EV_P_ W w)
2083{ 2144{
2084 if (w->pending) 2145 if (w->pending)
2085 { 2146 {
2086 pendings [ABSPRI (w)][w->pending - 1].w = 0; 2147 pendings [ABSPRI (w)][w->pending - 1].w = 0;
… …
2103 } 2164 }
2104 else 2165 else
2105 return 0; 2166 return 0;
2106} 2167}
2107 2168
2108void inline_size 2169inline_size void
2109pri_adjust (EV_P_ W w) 2170pri_adjust (EV_P_ W w)
2110{ 2171{
2111 int pri = w->priority; 2172 int pri = w->priority;
2112 pri = pri < EV_MINPRI ? EV_MINPRI : pri; 2173 pri = pri < EV_MINPRI ? EV_MINPRI : pri;
2113 pri = pri > EV_MAXPRI ? EV_MAXPRI : pri; 2174 pri = pri > EV_MAXPRI ? EV_MAXPRI : pri;
2114 w->priority = pri; 2175 w->priority = pri;
2115} 2176}
2116 2177
2117void inline_speed 2178inline_speed void
2118ev_start (EV_P_ W w, int active) 2179ev_start (EV_P_ W w, int active)
2119{ 2180{
2120 pri_adjust (EV_A_ w); 2181 pri_adjust (EV_A_ w);
2121 w->active = active; 2182 w->active = active;
2122 ev_ref (EV_A); 2183 ev_ref (EV_A);
2123} 2184}
2124 2185
2125void inline_size 2186inline_size void
2126ev_stop (EV_P_ W w) 2187ev_stop (EV_P_ W w)
2127{ 2188{
2128 ev_unref (EV_A); 2189 ev_unref (EV_A);
2129 w->active = 0; 2190 w->active = 0;
2130} 2191}
… …
2137 int fd = w->fd; 2198 int fd = w->fd;
2138 2199
2139 if (expect_false (ev_is_active (w))) 2200 if (expect_false (ev_is_active (w)))
2140 return; 2201 return;
2141 2202
2142 assert (("ev_io_start called with negative fd", fd >= 0)); 2203 assert (("libev: ev_io_start called with negative fd", fd >= 0));
2204 assert (("libev: ev_io start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE))));
2143 2205
2144 EV_FREQUENT_CHECK; 2206 EV_FREQUENT_CHECK;
2145 2207
2146 ev_start (EV_A_ (W)w, 1); 2208 ev_start (EV_A_ (W)w, 1);
2147 array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init); 2209 array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);
2148 wlist_add (&anfds[fd].head, (WL)w); 2210 wlist_add (&anfds[fd].head, (WL)w);
2149 2211
2150 fd_change (EV_A_ fd, w->events & EV_IOFDSET | 1); 2212 fd_change (EV_A_ fd, w->events & EV__IOFDSET | 1);
2151 w->events &= ~EV_IOFDSET; 2213 w->events &= ~EV__IOFDSET;
2152 2214
2153 EV_FREQUENT_CHECK; 2215 EV_FREQUENT_CHECK;
2154} 2216}
2155 2217
2156void noinline 2218void noinline
… …
2158{ 2220{
2159 clear_pending (EV_A_ (W)w); 2221 clear_pending (EV_A_ (W)w);
2160 if (expect_false (!ev_is_active (w))) 2222 if (expect_false (!ev_is_active (w)))
2161 return; 2223 return;
2162 2224
2163 assert (("ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); 2225 assert (("libev: ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));
2164 2226
2165 EV_FREQUENT_CHECK; 2227 EV_FREQUENT_CHECK;
2166 2228
2167 wlist_del (&anfds[w->fd].head, (WL)w); 2229 wlist_del (&anfds[w->fd].head, (WL)w);
2168 ev_stop (EV_A_ (W)w); 2230 ev_stop (EV_A_ (W)w);
… …
2178 if (expect_false (ev_is_active (w))) 2240 if (expect_false (ev_is_active (w)))
2179 return; 2241 return;
2180 2242
2181 ev_at (w) += mn_now; 2243 ev_at (w) += mn_now;
2182 2244
2183 assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); 2245 assert (("libev: ev_timer_start called with negative timer repeat value", w->repeat >= 0.));
2184 2246
2185 EV_FREQUENT_CHECK; 2247 EV_FREQUENT_CHECK;
2186 2248
2187 ++timercnt; 2249 ++timercnt;
2188 ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1); 2250 ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1);
… …
2191 ANHE_at_cache (timers [ev_active (w)]); 2253 ANHE_at_cache (timers [ev_active (w)]);
2192 upheap (timers, ev_active (w)); 2254 upheap (timers, ev_active (w));
2193 2255
2194 EV_FREQUENT_CHECK; 2256 EV_FREQUENT_CHECK;
2195 2257
2196 /*assert (("internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ 2258 /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
2197} 2259}
2198 2260
2199void noinline 2261void noinline
2200ev_timer_stop (EV_P_ ev_timer *w) 2262ev_timer_stop (EV_P_ ev_timer *w)
2201{ 2263{
… …
2206 EV_FREQUENT_CHECK; 2268 EV_FREQUENT_CHECK;
2207 2269
2208 { 2270 {
2209 int active = ev_active (w); 2271 int active = ev_active (w);
2210 2272
2211 assert (("internal timer heap corruption", ANHE_w (timers [active]) == (WT)w)); 2273 assert (("libev: internal timer heap corruption", ANHE_w (timers [active]) == (WT)w));
2212 2274
2213 --timercnt; 2275 --timercnt;
2214 2276
2215 if (expect_true (active < timercnt + HEAP0)) 2277 if (expect_true (active < timercnt + HEAP0))
2216 { 2278 {
… …
2260 2322
2261 if (w->reschedule_cb) 2323 if (w->reschedule_cb)
2262 ev_at (w) = w->reschedule_cb (w, ev_rt_now); 2324 ev_at (w) = w->reschedule_cb (w, ev_rt_now);
2263 else if (w->interval) 2325 else if (w->interval)
2264 { 2326 {
2265 assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); 2327 assert (("libev: ev_periodic_start called with negative interval value", w->interval >= 0.));
2266 /* this formula differs from the one in periodic_reify because we do not always round up */ 2328 /* this formula differs from the one in periodic_reify because we do not always round up */
2267 ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; 2329 ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
2268 } 2330 }
2269 else 2331 else
2270 ev_at (w) = w->offset; 2332 ev_at (w) = w->offset;
… …
2278 ANHE_at_cache (periodics [ev_active (w)]); 2340 ANHE_at_cache (periodics [ev_active (w)]);
2279 upheap (periodics, ev_active (w)); 2341 upheap (periodics, ev_active (w));
2280 2342
2281 EV_FREQUENT_CHECK; 2343 EV_FREQUENT_CHECK;
2282 2344
2283 /*assert (("internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ 2345 /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
2284} 2346}
2285 2347
2286void noinline 2348void noinline
2287ev_periodic_stop (EV_P_ ev_periodic *w) 2349ev_periodic_stop (EV_P_ ev_periodic *w)
2288{ 2350{
… …
2293 EV_FREQUENT_CHECK; 2355 EV_FREQUENT_CHECK;
2294 2356
2295 { 2357 {
2296 int active = ev_active (w); 2358 int active = ev_active (w);
2297 2359
2298 assert (("internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w)); 2360 assert (("libev: internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w));
2299 2361
2300 --periodiccnt; 2362 --periodiccnt;
2301 2363
2302 if (expect_true (active < periodiccnt + HEAP0)) 2364 if (expect_true (active < periodiccnt + HEAP0))
2303 { 2365 {
… …
2326 2388
2327void noinline 2389void noinline
2328ev_signal_start (EV_P_ ev_signal *w) 2390ev_signal_start (EV_P_ ev_signal *w)
2329{ 2391{
2330#if EV_MULTIPLICITY 2392#if EV_MULTIPLICITY
2331 assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); 2393 assert (("libev: signal watchers are only supported in the default loop", loop == ev_default_loop_ptr));
2332#endif 2394#endif
2333 if (expect_false (ev_is_active (w))) 2395 if (expect_false (ev_is_active (w)))
2334 return; 2396 return;
2335 2397
2336 assert (("ev_signal_start called with illegal signal number", w->signum > 0)); 2398 assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0));
2337 2399
2338 evpipe_init (EV_A); 2400 evpipe_init (EV_A);
2339 2401
2340 EV_FREQUENT_CHECK; 2402 EV_FREQUENT_CHECK;
2341 2403
… …
2344 sigset_t full, prev; 2406 sigset_t full, prev;
2345 sigfillset (&full); 2407 sigfillset (&full);
2346 sigprocmask (SIG_SETMASK, &full, &prev); 2408 sigprocmask (SIG_SETMASK, &full, &prev);
2347#endif 2409#endif
2348 2410
2349 array_needsize (ANSIG, signals, signalmax, w->signum, signals_init); 2411 array_needsize (ANSIG, signals, signalmax, w->signum, array_init_zero);
2350 2412
2351#ifndef _WIN32 2413#ifndef _WIN32
2352 sigprocmask (SIG_SETMASK, &prev, 0); 2414 sigprocmask (SIG_SETMASK, &prev, 0);
2353#endif 2415#endif
2354 } 2416 }
… …
2392 2454
2393void 2455void
2394ev_child_start (EV_P_ ev_child *w) 2456ev_child_start (EV_P_ ev_child *w)
2395{ 2457{
2396#if EV_MULTIPLICITY 2458#if EV_MULTIPLICITY
2397 assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); 2459 assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
2398#endif 2460#endif
2399 if (expect_false (ev_is_active (w))) 2461 if (expect_false (ev_is_active (w)))
2400 return; 2462 return;
2401 2463
2402 EV_FREQUENT_CHECK; 2464 EV_FREQUENT_CHECK;
… …
2427# ifdef _WIN32 2489# ifdef _WIN32
2428# undef lstat 2490# undef lstat
2429# define lstat(a,b) _stati64 (a,b) 2491# define lstat(a,b) _stati64 (a,b)
2430# endif 2492# endif
2431 2493
2432#define DEF_STAT_INTERVAL 5.0074891 2494#define DEF_STAT_INTERVAL 5.0074891
2495#define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */
2433#define MIN_STAT_INTERVAL 0.1074891 2496#define MIN_STAT_INTERVAL 0.1074891
2434 2497
2435static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); 2498static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents);
2436 2499
2437#if EV_USE_INOTIFY 2500#if EV_USE_INOTIFY
2438# define EV_INOTIFY_BUFSIZE 8192 2501# define EV_INOTIFY_BUFSIZE 8192
… …
2442{ 2505{
2443 w->wd = inotify_add_watch (fs_fd, w->path, IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY | IN_DONT_FOLLOW | IN_MASK_ADD); 2506 w->wd = inotify_add_watch (fs_fd, w->path, IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY | IN_DONT_FOLLOW | IN_MASK_ADD);
2444 2507
2445 if (w->wd < 0) 2508 if (w->wd < 0)
2446 { 2509 {
2510 w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;
2447 ev_timer_start (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */ 2511 ev_timer_again (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */
2448 2512
2449 /* monitor some parent directory for speedup hints */ 2513 /* monitor some parent directory for speedup hints */
2450 /* note that exceeding the hardcoded limit is not a correctness issue, */ 2514 /* note that exceeding the hardcoded path limit is not a correctness issue, */
2451 /* but an efficiency issue only */ 2515 /* but an efficiency issue only */
2452 if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) 2516 if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096)
2453 { 2517 {
2454 char path [4096]; 2518 char path [4096];
2455 strcpy (path, w->path); 2519 strcpy (path, w->path);
… …
2459 int mask = IN_MASK_ADD | IN_DELETE_SELF | IN_MOVE_SELF 2523 int mask = IN_MASK_ADD | IN_DELETE_SELF | IN_MOVE_SELF
2460 | (errno == EACCES ? IN_ATTRIB : IN_CREATE | IN_MOVED_TO); 2524 | (errno == EACCES ? IN_ATTRIB : IN_CREATE | IN_MOVED_TO);
2461 2525
2462 char *pend = strrchr (path, '/'); 2526 char *pend = strrchr (path, '/');
2463 2527
2464 if (!pend) 2528 if (!pend || pend == path)
2465 break; /* whoops, no '/', complain to your admin */ 2529 break;
2466 2530
2467 *pend = 0; 2531 *pend = 0;
2468 w->wd = inotify_add_watch (fs_fd, path, mask); 2532 w->wd = inotify_add_watch (fs_fd, path, mask);
2469 } 2533 }
2470 while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); 2534 while (w->wd < 0 && (errno == ENOENT || errno == EACCES));
2471 } 2535 }
2472 } 2536 }
2473 else
2474 ev_timer_stop (EV_A_ &w->timer); /* we can watch this in a race-free way */
2475 2537
2476 if (w->wd >= 0) 2538 if (w->wd >= 0)
2539 {
2477 wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); 2540 wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w);
2541
2542 /* now local changes will be tracked by inotify, but remote changes won't */
2543 /* unless the filesystem it known to be local, we therefore still poll */
2544 /* also do poll on <2.6.25, but with normal frequency */
2545 struct statfs sfs;
2546
2547 if (fs_2625 && !statfs (w->path, &sfs))
2548 if (sfs.f_type == 0x1373 /* devfs */
2549 || sfs.f_type == 0xEF53 /* ext2/3 */
2550 || sfs.f_type == 0x3153464a /* jfs */
2551 || sfs.f_type == 0x52654973 /* reiser3 */
2552 || sfs.f_type == 0x01021994 /* tempfs */
2553 || sfs.f_type == 0x58465342 /* xfs */)
2554 return;
2555
2556 w->timer.repeat = w->interval ? w->interval : fs_2625 ? NFS_STAT_INTERVAL : DEF_STAT_INTERVAL;
2557 ev_timer_again (EV_A_ &w->timer);
2558 }
2478} 2559}
2479 2560
2480static void noinline 2561static void noinline
2481infy_del (EV_P_ ev_stat *w) 2562infy_del (EV_P_ ev_stat *w)
2482{ 2563{
… …
2496 2577
2497static void noinline 2578static void noinline
2498infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) 2579infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)
2499{ 2580{
2500 if (slot < 0) 2581 if (slot < 0)
2501 /* overflow, need to check for all hahs slots */ 2582 /* overflow, need to check for all hash slots */
2502 for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) 2583 for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot)
2503 infy_wd (EV_A_ slot, wd, ev); 2584 infy_wd (EV_A_ slot, wd, ev);
2504 else 2585 else
2505 { 2586 {
2506 WL w_; 2587 WL w_;
… …
2512 2593
2513 if (w->wd == wd || wd == -1) 2594 if (w->wd == wd || wd == -1)
2514 { 2595 {
2515 if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) 2596 if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF))
2516 { 2597 {
2598 wlist_del (&fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w);
2517 w->wd = -1; 2599 w->wd = -1;
2518 infy_add (EV_A_ w); /* re-add, no matter what */ 2600 infy_add (EV_A_ w); /* re-add, no matter what */
2519 } 2601 }
2520 2602
2521 stat_timer_cb (EV_A_ &w->timer, 0); 2603 stat_timer_cb (EV_A_ &w->timer, 0);
… …
2534 2616
2535 for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len) 2617 for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len)
2536 infy_wd (EV_A_ ev->wd, ev->wd, ev); 2618 infy_wd (EV_A_ ev->wd, ev->wd, ev);
2537} 2619}
2538 2620
2539void inline_size 2621inline_size void
2622check_2625 (EV_P)
2623{
2624 /* kernels < 2.6.25 are borked
2625 * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html
2626 */
2627 struct utsname buf;
2628 int major, minor, micro;
2629
2630 if (uname (&buf))
2631 return;
2632
2633 if (sscanf (buf.release, "%d.%d.%d", &major, &minor, &micro) != 3)
2634 return;
2635
2636 if (major < 2
2637 || (major == 2 && minor < 6)
2638 || (major == 2 && minor == 6 && micro < 25))
2639 return;
2640
2641 fs_2625 = 1;
2642}
2643
2644inline_size void
2540infy_init (EV_P) 2645infy_init (EV_P)
2541{ 2646{
2542 if (fs_fd != -2) 2647 if (fs_fd != -2)
2543 return; 2648 return;
2649
2650 fs_fd = -1;
2651
2652 check_2625 (EV_A);
2544 2653
2545 fs_fd = inotify_init (); 2654 fs_fd = inotify_init ();
2546 2655
2547 if (fs_fd >= 0) 2656 if (fs_fd >= 0)
2548 { 2657 {
… …
2550 ev_set_priority (&fs_w, EV_MAXPRI); 2659 ev_set_priority (&fs_w, EV_MAXPRI);
2551 ev_io_start (EV_A_ &fs_w); 2660 ev_io_start (EV_A_ &fs_w);
2552 } 2661 }
2553} 2662}
2554 2663
2555void inline_size 2664inline_size void
2556infy_fork (EV_P) 2665infy_fork (EV_P)
2557{ 2666{
2558 int slot; 2667 int slot;
2559 2668
2560 if (fs_fd < 0) 2669 if (fs_fd < 0)
… …
2576 w->wd = -1; 2685 w->wd = -1;
2577 2686
2578 if (fs_fd >= 0) 2687 if (fs_fd >= 0)
2579 infy_add (EV_A_ w); /* re-add, no matter what */ 2688 infy_add (EV_A_ w); /* re-add, no matter what */
2580 else 2689 else
2581 ev_timer_start (EV_A_ &w->timer); 2690 ev_timer_again (EV_A_ &w->timer);
2582 } 2691 }
2583
2584 } 2692 }
2585} 2693}
2586 2694
2587#endif 2695#endif
2588 2696
… …
2624 || w->prev.st_atime != w->attr.st_atime 2732 || w->prev.st_atime != w->attr.st_atime
2625 || w->prev.st_mtime != w->attr.st_mtime 2733 || w->prev.st_mtime != w->attr.st_mtime
2626 || w->prev.st_ctime != w->attr.st_ctime 2734 || w->prev.st_ctime != w->attr.st_ctime
2627 ) { 2735 ) {
2628 #if EV_USE_INOTIFY 2736 #if EV_USE_INOTIFY
2737 if (fs_fd >= 0)
2738 {
2629 infy_del (EV_A_ w); 2739 infy_del (EV_A_ w);
2630 infy_add (EV_A_ w); 2740 infy_add (EV_A_ w);
2631 ev_stat_stat (EV_A_ w); /* avoid race... */ 2741 ev_stat_stat (EV_A_ w); /* avoid race... */
2742 }
2632 #endif 2743 #endif
2633 2744
2634 ev_feed_event (EV_A_ w, EV_STAT); 2745 ev_feed_event (EV_A_ w, EV_STAT);
2635 } 2746 }
2636} 2747}
… …
2639ev_stat_start (EV_P_ ev_stat *w) 2750ev_stat_start (EV_P_ ev_stat *w)
2640{ 2751{
2641 if (expect_false (ev_is_active (w))) 2752 if (expect_false (ev_is_active (w)))
2642 return; 2753 return;
2643 2754
2644 /* since we use memcmp, we need to clear any padding data etc. */
2645 memset (&w->prev, 0, sizeof (ev_statdata));
2646 memset (&w->attr, 0, sizeof (ev_statdata));
2647
2648 ev_stat_stat (EV_A_ w); 2755 ev_stat_stat (EV_A_ w);
2649 2756
2757 if (w->interval < MIN_STAT_INTERVAL && w->interval)
2650 if (w->interval < MIN_STAT_INTERVAL) 2758 w->interval = MIN_STAT_INTERVAL;
2651 w->interval = w->interval ? MIN_STAT_INTERVAL : DEF_STAT_INTERVAL;
2652 2759
2653 ev_timer_init (&w->timer, stat_timer_cb, w->interval, w->interval); 2760 ev_timer_init (&w->timer, stat_timer_cb, 0., w->interval ? w->interval : DEF_STAT_INTERVAL);
2654 ev_set_priority (&w->timer, ev_priority (w)); 2761 ev_set_priority (&w->timer, ev_priority (w));
2655 2762
2656#if EV_USE_INOTIFY 2763#if EV_USE_INOTIFY
2657 infy_init (EV_A); 2764 infy_init (EV_A);
2658 2765
2659 if (fs_fd >= 0) 2766 if (fs_fd >= 0)
2660 infy_add (EV_A_ w); 2767 infy_add (EV_A_ w);
2661 else 2768 else
2662#endif 2769#endif
2663 ev_timer_start (EV_A_ &w->timer); 2770 ev_timer_again (EV_A_ &w->timer);
2664 2771
2665 ev_start (EV_A_ (W)w, 1); 2772 ev_start (EV_A_ (W)w, 1);
2666 2773
2667 EV_FREQUENT_CHECK; 2774 EV_FREQUENT_CHECK;
2668} 2775}
… …
2843static void 2950static void
2844embed_fork_cb (EV_P_ ev_fork *fork_w, int revents) 2951embed_fork_cb (EV_P_ ev_fork *fork_w, int revents)
2845{ 2952{
2846 ev_embed *w = (ev_embed *)(((char *)fork_w) - offsetof (ev_embed, fork)); 2953 ev_embed *w = (ev_embed *)(((char *)fork_w) - offsetof (ev_embed, fork));
2847 2954
2955 ev_embed_stop (EV_A_ w);
2956
2848 { 2957 {
2849 struct ev_loop *loop = w->other; 2958 struct ev_loop *loop = w->other;
2850 2959
2851 ev_loop_fork (EV_A); 2960 ev_loop_fork (EV_A);
2961 ev_loop (EV_A_ EVLOOP_NONBLOCK);
2852 } 2962 }
2963
2964 ev_embed_start (EV_A_ w);
2853} 2965}
2854 2966
2855#if 0 2967#if 0
2856static void 2968static void
2857embed_idle_cb (EV_P_ ev_idle *idle, int revents) 2969embed_idle_cb (EV_P_ ev_idle *idle, int revents)
… …
2866 if (expect_false (ev_is_active (w))) 2978 if (expect_false (ev_is_active (w)))
2867 return; 2979 return;
2868 2980
2869 { 2981 {
2870 struct ev_loop *loop = w->other; 2982 struct ev_loop *loop = w->other;
2871 assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); 2983 assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ()));
2872 ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ); 2984 ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ);
2873 } 2985 }
2874 2986
2875 EV_FREQUENT_CHECK; 2987 EV_FREQUENT_CHECK;
2876 2988
… …
3059 ev_timer_set (&once->to, timeout, 0.); 3171 ev_timer_set (&once->to, timeout, 0.);
3060 ev_timer_start (EV_A_ &once->to); 3172 ev_timer_start (EV_A_ &once->to);
3061 } 3173 }
3062} 3174}
3063 3175
3176/*****************************************************************************/
3177
3178#if 0
3179void
3180ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w))
3181{
3182 int i, j;
3183 ev_watcher_list *wl, *wn;
3184
3185 if (types & (EV_IO | EV_EMBED))
3186 for (i = 0; i < anfdmax; ++i)
3187 for (wl = anfds [i].head; wl; )
3188 {
3189 wn = wl->next;
3190
3191#if EV_EMBED_ENABLE
3192 if (ev_cb ((ev_io *)wl) == embed_io_cb)
3193 {
3194 if (types & EV_EMBED)
3195 cb (EV_A_ EV_EMBED, ((char *)wl) - offsetof (struct ev_embed, io));
3196 }
3197 else
3198#endif
3199#if EV_USE_INOTIFY
3200 if (ev_cb ((ev_io *)wl) == infy_cb)
3201 ;
3202 else
3203#endif
3204 if ((ev_io *)wl != &pipeev)
3205 if (types & EV_IO)
3206 cb (EV_A_ EV_IO, wl);
3207
3208 wl = wn;
3209 }
3210
3211 if (types & (EV_TIMER | EV_STAT))
3212 for (i = timercnt + HEAP0; i-- > HEAP0; )
3213#if EV_STAT_ENABLE
3214 /*TODO: timer is not always active*/
3215 if (ev_cb ((ev_timer *)ANHE_w (timers [i])) == stat_timer_cb)
3216 {
3217 if (types & EV_STAT)
3218 cb (EV_A_ EV_STAT, ((char *)ANHE_w (timers [i])) - offsetof (struct ev_stat, timer));
3219 }
3220 else
3221#endif
3222 if (types & EV_TIMER)
3223 cb (EV_A_ EV_TIMER, ANHE_w (timers [i]));
3224
3225#if EV_PERIODIC_ENABLE
3226 if (types & EV_PERIODIC)
3227 for (i = periodiccnt + HEAP0; i-- > HEAP0; )
3228 cb (EV_A_ EV_PERIODIC, ANHE_w (periodics [i]));
3229#endif
3230
3231#if EV_IDLE_ENABLE
3232 if (types & EV_IDLE)
3233 for (j = NUMPRI; i--; )
3234 for (i = idlecnt [j]; i--; )
3235 cb (EV_A_ EV_IDLE, idles [j][i]);
3236#endif
3237
3238#if EV_FORK_ENABLE
3239 if (types & EV_FORK)
3240 for (i = forkcnt; i--; )
3241 if (ev_cb (forks [i]) != embed_fork_cb)
3242 cb (EV_A_ EV_FORK, forks [i]);
3243#endif
3244
3245#if EV_ASYNC_ENABLE
3246 if (types & EV_ASYNC)
3247 for (i = asynccnt; i--; )
3248 cb (EV_A_ EV_ASYNC, asyncs [i]);
3249#endif
3250
3251 if (types & EV_PREPARE)
3252 for (i = preparecnt; i--; )
3253#if EV_EMBED_ENABLE
3254 if (ev_cb (prepares [i]) != embed_prepare_cb)
3255#endif
3256 cb (EV_A_ EV_PREPARE, prepares [i]);
3257
3258 if (types & EV_CHECK)
3259 for (i = checkcnt; i--; )
3260 cb (EV_A_ EV_CHECK, checks [i]);
3261
3262 if (types & EV_SIGNAL)
3263 for (i = 0; i < signalmax; ++i)
3264 for (wl = signals [i].head; wl; )
3265 {
3266 wn = wl->next;
3267 cb (EV_A_ EV_SIGNAL, wl);
3268 wl = wn;
3269 }
3270
3271 if (types & EV_CHILD)
3272 for (i = EV_PID_HASHSIZE; i--; )
3273 for (wl = childs [i]; wl; )
3274 {
3275 wn = wl->next;
3276 cb (EV_A_ EV_CHILD, wl);
3277 wl = wn;
3278 }
3279/* EV_STAT 0x00001000 /* stat data changed */
3280/* EV_EMBED 0x00010000 /* embedded event loop needs sweep */
3281}
3282#endif
3283
3064#if EV_MULTIPLICITY 3284#if EV_MULTIPLICITY
3065 #include "ev_wrap.h" 3285 #include "ev_wrap.h"
3066#endif 3286#endif
3067 3287
3068#ifdef __cplusplus 3288#ifdef __cplusplus

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