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Comparing libev/ev.c (file contents):
Revision 1.242 by root, Fri May 9 14:07:19 2008 UTC vs.
Revision 1.270 by root, Thu Oct 30 13:07:10 2008 UTC

126# define EV_USE_EVENTFD 1 126# define EV_USE_EVENTFD 1
127# else 127# else
128# define EV_USE_EVENTFD 0 128# define EV_USE_EVENTFD 0
129# endif 129# endif
130# endif 130# endif
131 131
132#endif 132#endif
133 133
134#include <math.h> 134#include <math.h>
135#include <stdlib.h> 135#include <stdlib.h>
136#include <fcntl.h> 136#include <fcntl.h>
154#ifndef _WIN32 154#ifndef _WIN32
155# include <sys/time.h> 155# include <sys/time.h>
156# include <sys/wait.h> 156# include <sys/wait.h>
157# include <unistd.h> 157# include <unistd.h>
158#else 158#else
159# include <io.h>
159# define WIN32_LEAN_AND_MEAN 160# define WIN32_LEAN_AND_MEAN
160# include <windows.h> 161# include <windows.h>
161# ifndef EV_SELECT_IS_WINSOCKET 162# ifndef EV_SELECT_IS_WINSOCKET
162# define EV_SELECT_IS_WINSOCKET 1 163# define EV_SELECT_IS_WINSOCKET 1
163# endif 164# endif
164#endif 165#endif
165 166
166/* this block tries to deduce configuration from header-defined symbols and defaults */ 167/* this block tries to deduce configuration from header-defined symbols and defaults */
167 168
168#ifndef EV_USE_MONOTONIC 169#ifndef EV_USE_MONOTONIC
170# if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0
171# define EV_USE_MONOTONIC 1
172# else
169# define EV_USE_MONOTONIC 0 173# define EV_USE_MONOTONIC 0
174# endif
170#endif 175#endif
171 176
172#ifndef EV_USE_REALTIME 177#ifndef EV_USE_REALTIME
173# define EV_USE_REALTIME 0 178# define EV_USE_REALTIME 0
174#endif 179#endif
175 180
176#ifndef EV_USE_NANOSLEEP 181#ifndef EV_USE_NANOSLEEP
182# if _POSIX_C_SOURCE >= 199309L
183# define EV_USE_NANOSLEEP 1
184# else
177# define EV_USE_NANOSLEEP 0 185# define EV_USE_NANOSLEEP 0
186# endif
178#endif 187#endif
179 188
180#ifndef EV_USE_SELECT 189#ifndef EV_USE_SELECT
181# define EV_USE_SELECT 1 190# define EV_USE_SELECT 1
182#endif 191#endif
235# else 244# else
236# define EV_USE_EVENTFD 0 245# define EV_USE_EVENTFD 0
237# endif 246# endif
238#endif 247#endif
239 248
249#if 0 /* debugging */
250# define EV_VERIFY 3
251# define EV_USE_4HEAP 1
252# define EV_HEAP_CACHE_AT 1
253#endif
254
255#ifndef EV_VERIFY
256# define EV_VERIFY !EV_MINIMAL
257#endif
258
259#ifndef EV_USE_4HEAP
260# define EV_USE_4HEAP !EV_MINIMAL
261#endif
262
263#ifndef EV_HEAP_CACHE_AT
264# define EV_HEAP_CACHE_AT !EV_MINIMAL
265#endif
266
240/* this block fixes any misconfiguration where we know we run into trouble otherwise */ 267/* this block fixes any misconfiguration where we know we run into trouble otherwise */
241 268
242#ifndef CLOCK_MONOTONIC 269#ifndef CLOCK_MONOTONIC
243# undef EV_USE_MONOTONIC 270# undef EV_USE_MONOTONIC
244# define EV_USE_MONOTONIC 0 271# define EV_USE_MONOTONIC 0
259# include <sys/select.h> 286# include <sys/select.h>
260# endif 287# endif
261#endif 288#endif
262 289
263#if EV_USE_INOTIFY 290#if EV_USE_INOTIFY
291# include <sys/utsname.h>
264# include <sys/inotify.h> 292# include <sys/inotify.h>
293/* some very old inotify.h headers don't have IN_DONT_FOLLOW */
294# ifndef IN_DONT_FOLLOW
295# undef EV_USE_INOTIFY
296# define EV_USE_INOTIFY 0
297# endif
265#endif 298#endif
266 299
267#if EV_SELECT_IS_WINSOCKET 300#if EV_SELECT_IS_WINSOCKET
268# include <winsock.h> 301# include <winsock.h>
269#endif 302#endif
279} 312}
280# endif 313# endif
281#endif 314#endif
282 315
283/**/ 316/**/
317
318#if EV_VERIFY >= 3
319# define EV_FREQUENT_CHECK ev_loop_verify (EV_A)
320#else
321# define EV_FREQUENT_CHECK do { } while (0)
322#endif
284 323
285/* 324/*
286 * This is used to avoid floating point rounding problems. 325 * This is used to avoid floating point rounding problems.
287 * It is added to ev_rt_now when scheduling periodics 326 * It is added to ev_rt_now when scheduling periodics
288 * to ensure progress, time-wise, even when rounding 327 * to ensure progress, time-wise, even when rounding
349{ 388{
350 syserr_cb = cb; 389 syserr_cb = cb;
351} 390}
352 391
353static void noinline 392static void noinline
354syserr (const char *msg) 393ev_syserr (const char *msg)
355{ 394{
356 if (!msg) 395 if (!msg)
357 msg = "(libev) system error"; 396 msg = "(libev) system error";
358 397
359 if (syserr_cb) 398 if (syserr_cb)
410typedef struct 449typedef struct
411{ 450{
412 WL head; 451 WL head;
413 unsigned char events; 452 unsigned char events;
414 unsigned char reify; 453 unsigned char reify;
454 unsigned char emask; /* the epoll backend stores the actual kernel mask in here */
455 unsigned char unused;
456#if EV_USE_EPOLL
457 unsigned int egen; /* generation counter to counter epoll bugs */
458#endif
415#if EV_SELECT_IS_WINSOCKET 459#if EV_SELECT_IS_WINSOCKET
416 SOCKET handle; 460 SOCKET handle;
417#endif 461#endif
418} ANFD; 462} ANFD;
419 463
430 WL head; 474 WL head;
431} ANFS; 475} ANFS;
432#endif 476#endif
433 477
434/* Heap Entry */ 478/* Heap Entry */
435#define EV_HEAP_CACHE_AT 0
436#if EV_HEAP_CACHE_AT 479#if EV_HEAP_CACHE_AT
437 typedef struct { 480 typedef struct {
481 ev_tstamp at;
438 WT w; 482 WT w;
439 ev_tstamp at;
440 } ANHE; 483 } ANHE;
441 484
442 #define ANHE_w(he) (he).w /* access watcher, read-write */ 485 #define ANHE_w(he) (he).w /* access watcher, read-write */
443 #define ANHE_at(he) (he).at /* access cached at, read-only */ 486 #define ANHE_at(he) (he).at /* access cached at, read-only */
444 #define ANHE_at_set(he) (he).at = (he).w->at /* update at from watcher */ 487 #define ANHE_at_cache(he) (he).at = (he).w->at /* update at from watcher */
445#else 488#else
446 typedef WT ANHE; 489 typedef WT ANHE;
447 490
448 #define ANHE_w(he) (he) 491 #define ANHE_w(he) (he)
449 #define ANHE_at(he) (he)->at 492 #define ANHE_at(he) (he)->at
450 #define ANHE_at_set(he) 493 #define ANHE_at_cache(he)
451#endif 494#endif
452 495
453#if EV_MULTIPLICITY 496#if EV_MULTIPLICITY
454 497
455 struct ev_loop 498 struct ev_loop
533 struct timeval tv; 576 struct timeval tv;
534 577
535 tv.tv_sec = (time_t)delay; 578 tv.tv_sec = (time_t)delay;
536 tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); 579 tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6);
537 580
581 /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */
582 /* somehting nto guaranteed by newer posix versions, but guaranteed */
583 /* by older ones */
538 select (0, 0, 0, 0, &tv); 584 select (0, 0, 0, 0, &tv);
539#endif 585#endif
540 } 586 }
541} 587}
542 588
569array_realloc (int elem, void *base, int *cur, int cnt) 615array_realloc (int elem, void *base, int *cur, int cnt)
570{ 616{
571 *cur = array_nextsize (elem, *cur, cnt); 617 *cur = array_nextsize (elem, *cur, cnt);
572 return ev_realloc (base, elem * *cur); 618 return ev_realloc (base, elem * *cur);
573} 619}
620
621#define array_init_zero(base,count) \
622 memset ((void *)(base), 0, sizeof (*(base)) * (count))
574 623
575#define array_needsize(type,base,cur,cnt,init) \ 624#define array_needsize(type,base,cur,cnt,init) \
576 if (expect_false ((cnt) > (cur))) \ 625 if (expect_false ((cnt) > (cur))) \
577 { \ 626 { \
578 int ocur_ = (cur); \ 627 int ocur_ = (cur); \
622 ev_feed_event (EV_A_ events [i], type); 671 ev_feed_event (EV_A_ events [i], type);
623} 672}
624 673
625/*****************************************************************************/ 674/*****************************************************************************/
626 675
627void inline_size
628anfds_init (ANFD *base, int count)
629{
630 while (count--)
631 {
632 base->head = 0;
633 base->events = EV_NONE;
634 base->reify = 0;
635
636 ++base;
637 }
638}
639
640void inline_speed 676void inline_speed
641fd_event (EV_P_ int fd, int revents) 677fd_event (EV_P_ int fd, int revents)
642{ 678{
643 ANFD *anfd = anfds + fd; 679 ANFD *anfd = anfds + fd;
644 ev_io *w; 680 ev_io *w;
676 events |= (unsigned char)w->events; 712 events |= (unsigned char)w->events;
677 713
678#if EV_SELECT_IS_WINSOCKET 714#if EV_SELECT_IS_WINSOCKET
679 if (events) 715 if (events)
680 { 716 {
681 unsigned long argp; 717 unsigned long arg;
682 #ifdef EV_FD_TO_WIN32_HANDLE 718 #ifdef EV_FD_TO_WIN32_HANDLE
683 anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); 719 anfd->handle = EV_FD_TO_WIN32_HANDLE (fd);
684 #else 720 #else
685 anfd->handle = _get_osfhandle (fd); 721 anfd->handle = _get_osfhandle (fd);
686 #endif 722 #endif
687 assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0)); 723 assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0));
688 } 724 }
689#endif 725#endif
690 726
691 { 727 {
692 unsigned char o_events = anfd->events; 728 unsigned char o_events = anfd->events;
745{ 781{
746 int fd; 782 int fd;
747 783
748 for (fd = 0; fd < anfdmax; ++fd) 784 for (fd = 0; fd < anfdmax; ++fd)
749 if (anfds [fd].events) 785 if (anfds [fd].events)
750 if (!fd_valid (fd) == -1 && errno == EBADF) 786 if (!fd_valid (fd) && errno == EBADF)
751 fd_kill (EV_A_ fd); 787 fd_kill (EV_A_ fd);
752} 788}
753 789
754/* called on ENOMEM in select/poll to kill some fds and retry */ 790/* called on ENOMEM in select/poll to kill some fds and retry */
755static void noinline 791static void noinline
773 809
774 for (fd = 0; fd < anfdmax; ++fd) 810 for (fd = 0; fd < anfdmax; ++fd)
775 if (anfds [fd].events) 811 if (anfds [fd].events)
776 { 812 {
777 anfds [fd].events = 0; 813 anfds [fd].events = 0;
814 anfds [fd].emask = 0;
778 fd_change (EV_A_ fd, EV_IOFDSET | 1); 815 fd_change (EV_A_ fd, EV_IOFDSET | 1);
779 } 816 }
780} 817}
781 818
782/*****************************************************************************/ 819/*****************************************************************************/
791 * at the moment we allow libev the luxury of two heaps, 828 * at the moment we allow libev the luxury of two heaps,
792 * a small-code-size 2-heap one and a ~1.5kb larger 4-heap 829 * a small-code-size 2-heap one and a ~1.5kb larger 4-heap
793 * which is more cache-efficient. 830 * which is more cache-efficient.
794 * the difference is about 5% with 50000+ watchers. 831 * the difference is about 5% with 50000+ watchers.
795 */ 832 */
796#define EV_USE_4HEAP !EV_MINIMAL
797#if EV_USE_4HEAP 833#if EV_USE_4HEAP
798 834
799#define DHEAP 4 835#define DHEAP 4
800#define HEAP0 (DHEAP - 1) /* index of first element in heap */ 836#define HEAP0 (DHEAP - 1) /* index of first element in heap */
801 837#define HPARENT(k) ((((k) - HEAP0 - 1) / DHEAP) + HEAP0)
802/* towards the root */ 838#define UPHEAP_DONE(p,k) ((p) == (k))
803void inline_speed
804upheap (ANHE *heap, int k)
805{
806 ANHE he = heap [k];
807
808 for (;;)
809 {
810 int p = ((k - HEAP0 - 1) / DHEAP) + HEAP0;
811
812 if (p == k || ANHE_at (heap [p]) <= ANHE_at (he))
813 break;
814
815 heap [k] = heap [p];
816 ev_active (ANHE_w (heap [k])) = k;
817 k = p;
818 }
819
820 ev_active (ANHE_w (he)) = k;
821 heap [k] = he;
822}
823 839
824/* away from the root */ 840/* away from the root */
825void inline_speed 841void inline_speed
826downheap (ANHE *heap, int N, int k) 842downheap (ANHE *heap, int N, int k)
827{ 843{
830 846
831 for (;;) 847 for (;;)
832 { 848 {
833 ev_tstamp minat; 849 ev_tstamp minat;
834 ANHE *minpos; 850 ANHE *minpos;
835 ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0; 851 ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0 + 1;
836 852
837 // find minimum child 853 /* find minimum child */
838 if (expect_true (pos + DHEAP - 1 < E)) 854 if (expect_true (pos + DHEAP - 1 < E))
839 { 855 {
840 /* fast path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); 856 /* fast path */ (minpos = pos + 0), (minat = ANHE_at (*minpos));
841 if (ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos)); 857 if ( ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos));
842 if (ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos)); 858 if ( ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos));
843 if (ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos)); 859 if ( ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos));
844 } 860 }
845 else if (pos < E) 861 else if (pos < E)
846 { 862 {
847 /* slow path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); 863 /* slow path */ (minpos = pos + 0), (minat = ANHE_at (*minpos));
848 if (pos + 1 < E && ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos)); 864 if (pos + 1 < E && ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos));
853 break; 869 break;
854 870
855 if (ANHE_at (he) <= minat) 871 if (ANHE_at (he) <= minat)
856 break; 872 break;
857 873
874 heap [k] = *minpos;
858 ev_active (ANHE_w (*minpos)) = k; 875 ev_active (ANHE_w (*minpos)) = k;
859 heap [k] = *minpos;
860 876
861 k = minpos - heap; 877 k = minpos - heap;
862 } 878 }
863 879
880 heap [k] = he;
864 ev_active (ANHE_w (he)) = k; 881 ev_active (ANHE_w (he)) = k;
865 heap [k] = he;
866} 882}
867 883
868#else // 4HEAP 884#else /* 4HEAP */
869 885
870#define HEAP0 1 886#define HEAP0 1
871 887#define HPARENT(k) ((k) >> 1)
872/* towards the root */ 888#define UPHEAP_DONE(p,k) (!(p))
873void inline_speed
874upheap (ANHE *heap, int k)
875{
876 ANHE he = heap [k];
877
878 for (;;)
879 {
880 int p = k >> 1;
881
882 /* maybe we could use a dummy element at heap [0]? */
883 if (!p || ANHE_at (heap [p]) <= ANHE_at (he))
884 break;
885
886 heap [k] = heap [p];
887 ev_active (ANHE_w (heap [k])) = k;
888 k = p;
889 }
890
891 heap [k] = w;
892 ev_active (ANHE_w (heap [k])) = k;
893}
894 889
895/* away from the root */ 890/* away from the root */
896void inline_speed 891void inline_speed
897downheap (ANHE *heap, int N, int k) 892downheap (ANHE *heap, int N, int k)
898{ 893{
900 895
901 for (;;) 896 for (;;)
902 { 897 {
903 int c = k << 1; 898 int c = k << 1;
904 899
905 if (c > N) 900 if (c > N + HEAP0 - 1)
906 break; 901 break;
907 902
908 c += c + 1 < N && ANHE_at (heap [c]) > ANHE_at (heap [c + 1]) 903 c += c + 1 < N + HEAP0 && ANHE_at (heap [c]) > ANHE_at (heap [c + 1])
909 ? 1 : 0; 904 ? 1 : 0;
910 905
911 if (w->at <= ANHE_at (heap [c])) 906 if (ANHE_at (he) <= ANHE_at (heap [c]))
912 break; 907 break;
913 908
914 heap [k] = heap [c]; 909 heap [k] = heap [c];
915 ev_active (ANHE_w (heap [k])) = k; 910 ev_active (ANHE_w (heap [k])) = k;
916 911
920 heap [k] = he; 915 heap [k] = he;
921 ev_active (ANHE_w (he)) = k; 916 ev_active (ANHE_w (he)) = k;
922} 917}
923#endif 918#endif
924 919
920/* towards the root */
921void inline_speed
922upheap (ANHE *heap, int k)
923{
924 ANHE he = heap [k];
925
926 for (;;)
927 {
928 int p = HPARENT (k);
929
930 if (UPHEAP_DONE (p, k) || ANHE_at (heap [p]) <= ANHE_at (he))
931 break;
932
933 heap [k] = heap [p];
934 ev_active (ANHE_w (heap [k])) = k;
935 k = p;
936 }
937
938 heap [k] = he;
939 ev_active (ANHE_w (he)) = k;
940}
941
925void inline_size 942void inline_size
926adjustheap (ANHE *heap, int N, int k) 943adjustheap (ANHE *heap, int N, int k)
927{ 944{
945 if (k > HEAP0 && ANHE_at (heap [HPARENT (k)]) >= ANHE_at (heap [k]))
928 upheap (heap, k); 946 upheap (heap, k);
947 else
929 downheap (heap, N, k); 948 downheap (heap, N, k);
949}
950
951/* rebuild the heap: this function is used only once and executed rarely */
952void inline_size
953reheap (ANHE *heap, int N)
954{
955 int i;
956
957 /* we don't use floyds algorithm, upheap is simpler and is more cache-efficient */
958 /* also, this is easy to implement and correct for both 2-heaps and 4-heaps */
959 for (i = 0; i < N; ++i)
960 upheap (heap, i + HEAP0);
930} 961}
931 962
932/*****************************************************************************/ 963/*****************************************************************************/
933 964
934typedef struct 965typedef struct
940static ANSIG *signals; 971static ANSIG *signals;
941static int signalmax; 972static int signalmax;
942 973
943static EV_ATOMIC_T gotsig; 974static EV_ATOMIC_T gotsig;
944 975
945void inline_size
946signals_init (ANSIG *base, int count)
947{
948 while (count--)
949 {
950 base->head = 0;
951 base->gotsig = 0;
952
953 ++base;
954 }
955}
956
957/*****************************************************************************/ 976/*****************************************************************************/
958 977
959void inline_speed 978void inline_speed
960fd_intern (int fd) 979fd_intern (int fd)
961{ 980{
962#ifdef _WIN32 981#ifdef _WIN32
963 int arg = 1; 982 unsigned long arg = 1;
964 ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); 983 ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg);
965#else 984#else
966 fcntl (fd, F_SETFD, FD_CLOEXEC); 985 fcntl (fd, F_SETFD, FD_CLOEXEC);
967 fcntl (fd, F_SETFL, O_NONBLOCK); 986 fcntl (fd, F_SETFL, O_NONBLOCK);
968#endif 987#endif
982 } 1001 }
983 else 1002 else
984#endif 1003#endif
985 { 1004 {
986 while (pipe (evpipe)) 1005 while (pipe (evpipe))
987 syserr ("(libev) error creating signal/async pipe"); 1006 ev_syserr ("(libev) error creating signal/async pipe");
988 1007
989 fd_intern (evpipe [0]); 1008 fd_intern (evpipe [0]);
990 fd_intern (evpipe [1]); 1009 fd_intern (evpipe [1]);
991 ev_io_set (&pipeev, evpipe [0], EV_READ); 1010 ev_io_set (&pipeev, evpipe [0], EV_READ);
992 } 1011 }
1452 1471
1453 postfork = 0; 1472 postfork = 0;
1454} 1473}
1455 1474
1456#if EV_MULTIPLICITY 1475#if EV_MULTIPLICITY
1476
1457struct ev_loop * 1477struct ev_loop *
1458ev_loop_new (unsigned int flags) 1478ev_loop_new (unsigned int flags)
1459{ 1479{
1460 struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); 1480 struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
1461 1481
1479void 1499void
1480ev_loop_fork (EV_P) 1500ev_loop_fork (EV_P)
1481{ 1501{
1482 postfork = 1; /* must be in line with ev_default_fork */ 1502 postfork = 1; /* must be in line with ev_default_fork */
1483} 1503}
1504
1505#if EV_VERIFY
1506static void noinline
1507verify_watcher (EV_P_ W w)
1508{
1509 assert (("watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI));
1510
1511 if (w->pending)
1512 assert (("pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w));
1513}
1514
1515static void noinline
1516verify_heap (EV_P_ ANHE *heap, int N)
1517{
1518 int i;
1519
1520 for (i = HEAP0; i < N + HEAP0; ++i)
1521 {
1522 assert (("active index mismatch in heap", ev_active (ANHE_w (heap [i])) == i));
1523 assert (("heap condition violated", i == HEAP0 || ANHE_at (heap [HPARENT (i)]) <= ANHE_at (heap [i])));
1524 assert (("heap at cache mismatch", ANHE_at (heap [i]) == ev_at (ANHE_w (heap [i]))));
1525
1526 verify_watcher (EV_A_ (W)ANHE_w (heap [i]));
1527 }
1528}
1529
1530static void noinline
1531array_verify (EV_P_ W *ws, int cnt)
1532{
1533 while (cnt--)
1534 {
1535 assert (("active index mismatch", ev_active (ws [cnt]) == cnt + 1));
1536 verify_watcher (EV_A_ ws [cnt]);
1537 }
1538}
1539#endif
1540
1541void
1542ev_loop_verify (EV_P)
1543{
1544#if EV_VERIFY
1545 int i;
1546 WL w;
1547
1548 assert (activecnt >= -1);
1549
1550 assert (fdchangemax >= fdchangecnt);
1551 for (i = 0; i < fdchangecnt; ++i)
1552 assert (("negative fd in fdchanges", fdchanges [i] >= 0));
1553
1554 assert (anfdmax >= 0);
1555 for (i = 0; i < anfdmax; ++i)
1556 for (w = anfds [i].head; w; w = w->next)
1557 {
1558 verify_watcher (EV_A_ (W)w);
1559 assert (("inactive fd watcher on anfd list", ev_active (w) == 1));
1560 assert (("fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i));
1561 }
1562
1563 assert (timermax >= timercnt);
1564 verify_heap (EV_A_ timers, timercnt);
1565
1566#if EV_PERIODIC_ENABLE
1567 assert (periodicmax >= periodiccnt);
1568 verify_heap (EV_A_ periodics, periodiccnt);
1569#endif
1570
1571 for (i = NUMPRI; i--; )
1572 {
1573 assert (pendingmax [i] >= pendingcnt [i]);
1574#if EV_IDLE_ENABLE
1575 assert (idleall >= 0);
1576 assert (idlemax [i] >= idlecnt [i]);
1577 array_verify (EV_A_ (W *)idles [i], idlecnt [i]);
1578#endif
1579 }
1580
1581#if EV_FORK_ENABLE
1582 assert (forkmax >= forkcnt);
1583 array_verify (EV_A_ (W *)forks, forkcnt);
1584#endif
1585
1586#if EV_ASYNC_ENABLE
1587 assert (asyncmax >= asynccnt);
1588 array_verify (EV_A_ (W *)asyncs, asynccnt);
1589#endif
1590
1591 assert (preparemax >= preparecnt);
1592 array_verify (EV_A_ (W *)prepares, preparecnt);
1593
1594 assert (checkmax >= checkcnt);
1595 array_verify (EV_A_ (W *)checks, checkcnt);
1596
1597# if 0
1598 for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next)
1599 for (signum = signalmax; signum--; ) if (signals [signum].gotsig)
1484#endif 1600# endif
1601#endif
1602}
1603
1604#endif /* multiplicity */
1485 1605
1486#if EV_MULTIPLICITY 1606#if EV_MULTIPLICITY
1487struct ev_loop * 1607struct ev_loop *
1488ev_default_loop_init (unsigned int flags) 1608ev_default_loop_init (unsigned int flags)
1489#else 1609#else
1522{ 1642{
1523#if EV_MULTIPLICITY 1643#if EV_MULTIPLICITY
1524 struct ev_loop *loop = ev_default_loop_ptr; 1644 struct ev_loop *loop = ev_default_loop_ptr;
1525#endif 1645#endif
1526 1646
1647 ev_default_loop_ptr = 0;
1648
1527#ifndef _WIN32 1649#ifndef _WIN32
1528 ev_ref (EV_A); /* child watcher */ 1650 ev_ref (EV_A); /* child watcher */
1529 ev_signal_stop (EV_A_ &childev); 1651 ev_signal_stop (EV_A_ &childev);
1530#endif 1652#endif
1531 1653
1537{ 1659{
1538#if EV_MULTIPLICITY 1660#if EV_MULTIPLICITY
1539 struct ev_loop *loop = ev_default_loop_ptr; 1661 struct ev_loop *loop = ev_default_loop_ptr;
1540#endif 1662#endif
1541 1663
1542 if (backend)
1543 postfork = 1; /* must be in line with ev_loop_fork */ 1664 postfork = 1; /* must be in line with ev_loop_fork */
1544} 1665}
1545 1666
1546/*****************************************************************************/ 1667/*****************************************************************************/
1547 1668
1548void 1669void
1565 { 1686 {
1566 /*assert (("non-pending watcher on pending list", p->w->pending));*/ 1687 /*assert (("non-pending watcher on pending list", p->w->pending));*/
1567 1688
1568 p->w->pending = 0; 1689 p->w->pending = 0;
1569 EV_CB_INVOKE (p->w, p->events); 1690 EV_CB_INVOKE (p->w, p->events);
1691 EV_FREQUENT_CHECK;
1570 } 1692 }
1571 } 1693 }
1572} 1694}
1573 1695
1574#if EV_IDLE_ENABLE 1696#if EV_IDLE_ENABLE
1595#endif 1717#endif
1596 1718
1597void inline_size 1719void inline_size
1598timers_reify (EV_P) 1720timers_reify (EV_P)
1599{ 1721{
1722 EV_FREQUENT_CHECK;
1723
1600 while (timercnt && ANHE_at (timers [HEAP0]) <= mn_now) 1724 while (timercnt && ANHE_at (timers [HEAP0]) < mn_now)
1601 { 1725 {
1602 ev_timer *w = (ev_timer *)ANHE_w (timers [HEAP0]); 1726 ev_timer *w = (ev_timer *)ANHE_w (timers [HEAP0]);
1603 1727
1604 /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/ 1728 /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/
1605 1729
1606 /* first reschedule or stop timer */ 1730 /* first reschedule or stop timer */
1607 if (w->repeat) 1731 if (w->repeat)
1608 { 1732 {
1609 assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));
1610
1611 ev_at (w) += w->repeat; 1733 ev_at (w) += w->repeat;
1612 if (ev_at (w) < mn_now) 1734 if (ev_at (w) < mn_now)
1613 ev_at (w) = mn_now; 1735 ev_at (w) = mn_now;
1614 1736
1737 assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));
1738
1615 ANHE_at_set (timers [HEAP0]); 1739 ANHE_at_cache (timers [HEAP0]);
1616 downheap (timers, timercnt, HEAP0); 1740 downheap (timers, timercnt, HEAP0);
1617 } 1741 }
1618 else 1742 else
1619 ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ 1743 ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */
1620 1744
1745 EV_FREQUENT_CHECK;
1621 ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); 1746 ev_feed_event (EV_A_ (W)w, EV_TIMEOUT);
1622 } 1747 }
1623} 1748}
1624 1749
1625#if EV_PERIODIC_ENABLE 1750#if EV_PERIODIC_ENABLE
1626void inline_size 1751void inline_size
1627periodics_reify (EV_P) 1752periodics_reify (EV_P)
1628{ 1753{
1754 EV_FREQUENT_CHECK;
1755
1629 while (periodiccnt && ANHE_at (periodics [HEAP0]) <= ev_rt_now) 1756 while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)
1630 { 1757 {
1631 ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]); 1758 ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]);
1632 1759
1633 /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ 1760 /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/
1634 1761
1635 /* first reschedule or stop timer */ 1762 /* first reschedule or stop timer */
1636 if (w->reschedule_cb) 1763 if (w->reschedule_cb)
1637 { 1764 {
1638 ev_at (w) = w->reschedule_cb (w, ev_rt_now + TIME_EPSILON); 1765 ev_at (w) = w->reschedule_cb (w, ev_rt_now);
1766
1639 assert (("ev_periodic reschedule callback returned time in the past", ev_at (w) > ev_rt_now)); 1767 assert (("ev_periodic reschedule callback returned time in the past", ev_at (w) >= ev_rt_now));
1768
1640 ANHE_at_set (periodics [HEAP0]); 1769 ANHE_at_cache (periodics [HEAP0]);
1641 downheap (periodics, periodiccnt, HEAP0); 1770 downheap (periodics, periodiccnt, HEAP0);
1642 } 1771 }
1643 else if (w->interval) 1772 else if (w->interval)
1644 { 1773 {
1645 ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; 1774 ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
1775 /* if next trigger time is not sufficiently in the future, put it there */
1776 /* this might happen because of floating point inexactness */
1646 if (ev_at (w) - ev_rt_now <= TIME_EPSILON) ev_at (w) += w->interval; 1777 if (ev_at (w) - ev_rt_now < TIME_EPSILON)
1647 assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ev_at (w) > ev_rt_now)); 1778 {
1779 ev_at (w) += w->interval;
1780
1781 /* if interval is unreasonably low we might still have a time in the past */
1782 /* so correct this. this will make the periodic very inexact, but the user */
1783 /* has effectively asked to get triggered more often than possible */
1784 if (ev_at (w) < ev_rt_now)
1785 ev_at (w) = ev_rt_now;
1786 }
1787
1648 ANHE_at_set (periodics [HEAP0]); 1788 ANHE_at_cache (periodics [HEAP0]);
1649 downheap (periodics, periodiccnt, HEAP0); 1789 downheap (periodics, periodiccnt, HEAP0);
1650 } 1790 }
1651 else 1791 else
1652 ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ 1792 ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */
1653 1793
1794 EV_FREQUENT_CHECK;
1654 ev_feed_event (EV_A_ (W)w, EV_PERIODIC); 1795 ev_feed_event (EV_A_ (W)w, EV_PERIODIC);
1655 } 1796 }
1656} 1797}
1657 1798
1658static void noinline 1799static void noinline
1668 if (w->reschedule_cb) 1809 if (w->reschedule_cb)
1669 ev_at (w) = w->reschedule_cb (w, ev_rt_now); 1810 ev_at (w) = w->reschedule_cb (w, ev_rt_now);
1670 else if (w->interval) 1811 else if (w->interval)
1671 ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; 1812 ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
1672 1813
1673 ANHE_at_set (periodics [i]); 1814 ANHE_at_cache (periodics [i]);
1674 } 1815 }
1675 1816
1676 /* now rebuild the heap, this for the 2-heap, inefficient for the 4-heap, but correct */
1677 for (i = periodiccnt >> 1; --i; )
1678 downheap (periodics, periodiccnt, i + HEAP0); 1817 reheap (periodics, periodiccnt);
1679} 1818}
1680#endif 1819#endif
1681 1820
1682void inline_speed 1821void inline_speed
1683time_update (EV_P_ ev_tstamp max_block) 1822time_update (EV_P_ ev_tstamp max_block)
1741 /* adjust timers. this is easy, as the offset is the same for all of them */ 1880 /* adjust timers. this is easy, as the offset is the same for all of them */
1742 for (i = 0; i < timercnt; ++i) 1881 for (i = 0; i < timercnt; ++i)
1743 { 1882 {
1744 ANHE *he = timers + i + HEAP0; 1883 ANHE *he = timers + i + HEAP0;
1745 ANHE_w (*he)->at += ev_rt_now - mn_now; 1884 ANHE_w (*he)->at += ev_rt_now - mn_now;
1746 ANHE_at_set (*he); 1885 ANHE_at_cache (*he);
1747 } 1886 }
1748 } 1887 }
1749 1888
1750 mn_now = ev_rt_now; 1889 mn_now = ev_rt_now;
1751 } 1890 }
1761ev_unref (EV_P) 1900ev_unref (EV_P)
1762{ 1901{
1763 --activecnt; 1902 --activecnt;
1764} 1903}
1765 1904
1905void
1906ev_now_update (EV_P)
1907{
1908 time_update (EV_A_ 1e100);
1909}
1910
1766static int loop_done; 1911static int loop_done;
1767 1912
1768void 1913void
1769ev_loop (EV_P_ int flags) 1914ev_loop (EV_P_ int flags)
1770{ 1915{
1772 1917
1773 call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */ 1918 call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */
1774 1919
1775 do 1920 do
1776 { 1921 {
1922#if EV_VERIFY >= 2
1923 ev_loop_verify (EV_A);
1924#endif
1925
1777#ifndef _WIN32 1926#ifndef _WIN32
1778 if (expect_false (curpid)) /* penalise the forking check even more */ 1927 if (expect_false (curpid)) /* penalise the forking check even more */
1779 if (expect_false (getpid () != curpid)) 1928 if (expect_false (getpid () != curpid))
1780 { 1929 {
1781 curpid = getpid (); 1930 curpid = getpid ();
1975 2124
1976 if (expect_false (ev_is_active (w))) 2125 if (expect_false (ev_is_active (w)))
1977 return; 2126 return;
1978 2127
1979 assert (("ev_io_start called with negative fd", fd >= 0)); 2128 assert (("ev_io_start called with negative fd", fd >= 0));
2129 assert (("ev_io start called with illegal event mask", !(w->events & ~(EV_IOFDSET | EV_READ | EV_WRITE))));
2130
2131 EV_FREQUENT_CHECK;
1980 2132
1981 ev_start (EV_A_ (W)w, 1); 2133 ev_start (EV_A_ (W)w, 1);
1982 array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init); 2134 array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);
1983 wlist_add (&anfds[fd].head, (WL)w); 2135 wlist_add (&anfds[fd].head, (WL)w);
1984 2136
1985 fd_change (EV_A_ fd, w->events & EV_IOFDSET | 1); 2137 fd_change (EV_A_ fd, w->events & EV_IOFDSET | 1);
1986 w->events &= ~EV_IOFDSET; 2138 w->events &= ~EV_IOFDSET;
2139
2140 EV_FREQUENT_CHECK;
1987} 2141}
1988 2142
1989void noinline 2143void noinline
1990ev_io_stop (EV_P_ ev_io *w) 2144ev_io_stop (EV_P_ ev_io *w)
1991{ 2145{
1993 if (expect_false (!ev_is_active (w))) 2147 if (expect_false (!ev_is_active (w)))
1994 return; 2148 return;
1995 2149
1996 assert (("ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); 2150 assert (("ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));
1997 2151
2152 EV_FREQUENT_CHECK;
2153
1998 wlist_del (&anfds[w->fd].head, (WL)w); 2154 wlist_del (&anfds[w->fd].head, (WL)w);
1999 ev_stop (EV_A_ (W)w); 2155 ev_stop (EV_A_ (W)w);
2000 2156
2001 fd_change (EV_A_ w->fd, 1); 2157 fd_change (EV_A_ w->fd, 1);
2158
2159 EV_FREQUENT_CHECK;
2002} 2160}
2003 2161
2004void noinline 2162void noinline
2005ev_timer_start (EV_P_ ev_timer *w) 2163ev_timer_start (EV_P_ ev_timer *w)
2006{ 2164{
2009 2167
2010 ev_at (w) += mn_now; 2168 ev_at (w) += mn_now;
2011 2169
2012 assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); 2170 assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));
2013 2171
2172 EV_FREQUENT_CHECK;
2173
2174 ++timercnt;
2014 ev_start (EV_A_ (W)w, ++timercnt + HEAP0 - 1); 2175 ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1);
2015 array_needsize (ANHE, timers, timermax, ev_active (w) + 1, EMPTY2); 2176 array_needsize (ANHE, timers, timermax, ev_active (w) + 1, EMPTY2);
2016 ANHE_w (timers [ev_active (w)]) = (WT)w; 2177 ANHE_w (timers [ev_active (w)]) = (WT)w;
2017 ANHE_at_set (timers [ev_active (w)]); 2178 ANHE_at_cache (timers [ev_active (w)]);
2018 upheap (timers, ev_active (w)); 2179 upheap (timers, ev_active (w));
2180
2181 EV_FREQUENT_CHECK;
2019 2182
2020 /*assert (("internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ 2183 /*assert (("internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
2021} 2184}
2022 2185
2023void noinline 2186void noinline
2025{ 2188{
2026 clear_pending (EV_A_ (W)w); 2189 clear_pending (EV_A_ (W)w);
2027 if (expect_false (!ev_is_active (w))) 2190 if (expect_false (!ev_is_active (w)))
2028 return; 2191 return;
2029 2192
2193 EV_FREQUENT_CHECK;
2194
2030 { 2195 {
2031 int active = ev_active (w); 2196 int active = ev_active (w);
2032 2197
2033 assert (("internal timer heap corruption", ANHE_w (timers [active]) == (WT)w)); 2198 assert (("internal timer heap corruption", ANHE_w (timers [active]) == (WT)w));
2034 2199
2200 --timercnt;
2201
2035 if (expect_true (active < timercnt + HEAP0 - 1)) 2202 if (expect_true (active < timercnt + HEAP0))
2036 { 2203 {
2037 timers [active] = timers [timercnt + HEAP0 - 1]; 2204 timers [active] = timers [timercnt + HEAP0];
2038 adjustheap (timers, timercnt, active); 2205 adjustheap (timers, timercnt, active);
2039 } 2206 }
2040
2041 --timercnt;
2042 } 2207 }
2208
2209 EV_FREQUENT_CHECK;
2043 2210
2044 ev_at (w) -= mn_now; 2211 ev_at (w) -= mn_now;
2045 2212
2046 ev_stop (EV_A_ (W)w); 2213 ev_stop (EV_A_ (W)w);
2047} 2214}
2048 2215
2049void noinline 2216void noinline
2050ev_timer_again (EV_P_ ev_timer *w) 2217ev_timer_again (EV_P_ ev_timer *w)
2051{ 2218{
2219 EV_FREQUENT_CHECK;
2220
2052 if (ev_is_active (w)) 2221 if (ev_is_active (w))
2053 { 2222 {
2054 if (w->repeat) 2223 if (w->repeat)
2055 { 2224 {
2056 ev_at (w) = mn_now + w->repeat; 2225 ev_at (w) = mn_now + w->repeat;
2057 ANHE_at_set (timers [ev_active (w)]); 2226 ANHE_at_cache (timers [ev_active (w)]);
2058 adjustheap (timers, timercnt, ev_active (w)); 2227 adjustheap (timers, timercnt, ev_active (w));
2059 } 2228 }
2060 else 2229 else
2061 ev_timer_stop (EV_A_ w); 2230 ev_timer_stop (EV_A_ w);
2062 } 2231 }
2063 else if (w->repeat) 2232 else if (w->repeat)
2064 { 2233 {
2065 ev_at (w) = w->repeat; 2234 ev_at (w) = w->repeat;
2066 ev_timer_start (EV_A_ w); 2235 ev_timer_start (EV_A_ w);
2067 } 2236 }
2237
2238 EV_FREQUENT_CHECK;
2068} 2239}
2069 2240
2070#if EV_PERIODIC_ENABLE 2241#if EV_PERIODIC_ENABLE
2071void noinline 2242void noinline
2072ev_periodic_start (EV_P_ ev_periodic *w) 2243ev_periodic_start (EV_P_ ev_periodic *w)
2083 ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; 2254 ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
2084 } 2255 }
2085 else 2256 else
2086 ev_at (w) = w->offset; 2257 ev_at (w) = w->offset;
2087 2258
2259 EV_FREQUENT_CHECK;
2260
2261 ++periodiccnt;
2088 ev_start (EV_A_ (W)w, ++periodiccnt + HEAP0 - 1); 2262 ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1);
2089 array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, EMPTY2); 2263 array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, EMPTY2);
2090 ANHE_w (periodics [ev_active (w)]) = (WT)w; 2264 ANHE_w (periodics [ev_active (w)]) = (WT)w;
2265 ANHE_at_cache (periodics [ev_active (w)]);
2091 upheap (periodics, ev_active (w)); 2266 upheap (periodics, ev_active (w));
2267
2268 EV_FREQUENT_CHECK;
2092 2269
2093 /*assert (("internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ 2270 /*assert (("internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
2094} 2271}
2095 2272
2096void noinline 2273void noinline
2098{ 2275{
2099 clear_pending (EV_A_ (W)w); 2276 clear_pending (EV_A_ (W)w);
2100 if (expect_false (!ev_is_active (w))) 2277 if (expect_false (!ev_is_active (w)))
2101 return; 2278 return;
2102 2279
2280 EV_FREQUENT_CHECK;
2281
2103 { 2282 {
2104 int active = ev_active (w); 2283 int active = ev_active (w);
2105 2284
2106 assert (("internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w)); 2285 assert (("internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w));
2107 2286
2287 --periodiccnt;
2288
2108 if (expect_true (active < periodiccnt + HEAP0 - 1)) 2289 if (expect_true (active < periodiccnt + HEAP0))
2109 { 2290 {
2110 periodics [active] = periodics [periodiccnt + HEAP0 - 1]; 2291 periodics [active] = periodics [periodiccnt + HEAP0];
2111 adjustheap (periodics, periodiccnt, active); 2292 adjustheap (periodics, periodiccnt, active);
2112 } 2293 }
2113
2114 --periodiccnt;
2115 } 2294 }
2295
2296 EV_FREQUENT_CHECK;
2116 2297
2117 ev_stop (EV_A_ (W)w); 2298 ev_stop (EV_A_ (W)w);
2118} 2299}
2119 2300
2120void noinline 2301void noinline
2140 return; 2321 return;
2141 2322
2142 assert (("ev_signal_start called with illegal signal number", w->signum > 0)); 2323 assert (("ev_signal_start called with illegal signal number", w->signum > 0));
2143 2324
2144 evpipe_init (EV_A); 2325 evpipe_init (EV_A);
2326
2327 EV_FREQUENT_CHECK;
2145 2328
2146 { 2329 {
2147#ifndef _WIN32 2330#ifndef _WIN32
2148 sigset_t full, prev; 2331 sigset_t full, prev;
2149 sigfillset (&full); 2332 sigfillset (&full);
2150 sigprocmask (SIG_SETMASK, &full, &prev); 2333 sigprocmask (SIG_SETMASK, &full, &prev);
2151#endif 2334#endif
2152 2335
2153 array_needsize (ANSIG, signals, signalmax, w->signum, signals_init); 2336 array_needsize (ANSIG, signals, signalmax, w->signum, array_init_zero);
2154 2337
2155#ifndef _WIN32 2338#ifndef _WIN32
2156 sigprocmask (SIG_SETMASK, &prev, 0); 2339 sigprocmask (SIG_SETMASK, &prev, 0);
2157#endif 2340#endif
2158 } 2341 }
2170 sigfillset (&sa.sa_mask); 2353 sigfillset (&sa.sa_mask);
2171 sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ 2354 sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */
2172 sigaction (w->signum, &sa, 0); 2355 sigaction (w->signum, &sa, 0);
2173#endif 2356#endif
2174 } 2357 }
2358
2359 EV_FREQUENT_CHECK;
2175} 2360}
2176 2361
2177void noinline 2362void noinline
2178ev_signal_stop (EV_P_ ev_signal *w) 2363ev_signal_stop (EV_P_ ev_signal *w)
2179{ 2364{
2180 clear_pending (EV_A_ (W)w); 2365 clear_pending (EV_A_ (W)w);
2181 if (expect_false (!ev_is_active (w))) 2366 if (expect_false (!ev_is_active (w)))
2182 return; 2367 return;
2183 2368
2369 EV_FREQUENT_CHECK;
2370
2184 wlist_del (&signals [w->signum - 1].head, (WL)w); 2371 wlist_del (&signals [w->signum - 1].head, (WL)w);
2185 ev_stop (EV_A_ (W)w); 2372 ev_stop (EV_A_ (W)w);
2186 2373
2187 if (!signals [w->signum - 1].head) 2374 if (!signals [w->signum - 1].head)
2188 signal (w->signum, SIG_DFL); 2375 signal (w->signum, SIG_DFL);
2376
2377 EV_FREQUENT_CHECK;
2189} 2378}
2190 2379
2191void 2380void
2192ev_child_start (EV_P_ ev_child *w) 2381ev_child_start (EV_P_ ev_child *w)
2193{ 2382{
2195 assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); 2384 assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
2196#endif 2385#endif
2197 if (expect_false (ev_is_active (w))) 2386 if (expect_false (ev_is_active (w)))
2198 return; 2387 return;
2199 2388
2389 EV_FREQUENT_CHECK;
2390
2200 ev_start (EV_A_ (W)w, 1); 2391 ev_start (EV_A_ (W)w, 1);
2201 wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); 2392 wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);
2393
2394 EV_FREQUENT_CHECK;
2202} 2395}
2203 2396
2204void 2397void
2205ev_child_stop (EV_P_ ev_child *w) 2398ev_child_stop (EV_P_ ev_child *w)
2206{ 2399{
2207 clear_pending (EV_A_ (W)w); 2400 clear_pending (EV_A_ (W)w);
2208 if (expect_false (!ev_is_active (w))) 2401 if (expect_false (!ev_is_active (w)))
2209 return; 2402 return;
2210 2403
2404 EV_FREQUENT_CHECK;
2405
2211 wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); 2406 wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);
2212 ev_stop (EV_A_ (W)w); 2407 ev_stop (EV_A_ (W)w);
2408
2409 EV_FREQUENT_CHECK;
2213} 2410}
2214 2411
2215#if EV_STAT_ENABLE 2412#if EV_STAT_ENABLE
2216 2413
2217# ifdef _WIN32 2414# ifdef _WIN32
2286 2483
2287static void noinline 2484static void noinline
2288infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) 2485infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)
2289{ 2486{
2290 if (slot < 0) 2487 if (slot < 0)
2291 /* overflow, need to check for all hahs slots */ 2488 /* overflow, need to check for all hash slots */
2292 for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) 2489 for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot)
2293 infy_wd (EV_A_ slot, wd, ev); 2490 infy_wd (EV_A_ slot, wd, ev);
2294 else 2491 else
2295 { 2492 {
2296 WL w_; 2493 WL w_;
2330infy_init (EV_P) 2527infy_init (EV_P)
2331{ 2528{
2332 if (fs_fd != -2) 2529 if (fs_fd != -2)
2333 return; 2530 return;
2334 2531
2532 /* kernels < 2.6.25 are borked
2533 * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html
2534 */
2535 {
2536 struct utsname buf;
2537 int major, minor, micro;
2538
2539 fs_fd = -1;
2540
2541 if (uname (&buf))
2542 return;
2543
2544 if (sscanf (buf.release, "%d.%d.%d", &major, &minor, &micro) != 3)
2545 return;
2546
2547 if (major < 2
2548 || (major == 2 && minor < 6)
2549 || (major == 2 && minor == 6 && micro < 25))
2550 return;
2551 }
2552
2335 fs_fd = inotify_init (); 2553 fs_fd = inotify_init ();
2336 2554
2337 if (fs_fd >= 0) 2555 if (fs_fd >= 0)
2338 { 2556 {
2339 ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ); 2557 ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ);
2368 if (fs_fd >= 0) 2586 if (fs_fd >= 0)
2369 infy_add (EV_A_ w); /* re-add, no matter what */ 2587 infy_add (EV_A_ w); /* re-add, no matter what */
2370 else 2588 else
2371 ev_timer_start (EV_A_ &w->timer); 2589 ev_timer_start (EV_A_ &w->timer);
2372 } 2590 }
2373
2374 } 2591 }
2375} 2592}
2376 2593
2594#endif
2595
2596#ifdef _WIN32
2597# define EV_LSTAT(p,b) _stati64 (p, b)
2598#else
2599# define EV_LSTAT(p,b) lstat (p, b)
2377#endif 2600#endif
2378 2601
2379void 2602void
2380ev_stat_stat (EV_P_ ev_stat *w) 2603ev_stat_stat (EV_P_ ev_stat *w)
2381{ 2604{
2408 || w->prev.st_atime != w->attr.st_atime 2631 || w->prev.st_atime != w->attr.st_atime
2409 || w->prev.st_mtime != w->attr.st_mtime 2632 || w->prev.st_mtime != w->attr.st_mtime
2410 || w->prev.st_ctime != w->attr.st_ctime 2633 || w->prev.st_ctime != w->attr.st_ctime
2411 ) { 2634 ) {
2412 #if EV_USE_INOTIFY 2635 #if EV_USE_INOTIFY
2636 if (fs_fd >= 0)
2637 {
2413 infy_del (EV_A_ w); 2638 infy_del (EV_A_ w);
2414 infy_add (EV_A_ w); 2639 infy_add (EV_A_ w);
2415 ev_stat_stat (EV_A_ w); /* avoid race... */ 2640 ev_stat_stat (EV_A_ w); /* avoid race... */
2641 }
2416 #endif 2642 #endif
2417 2643
2418 ev_feed_event (EV_A_ w, EV_STAT); 2644 ev_feed_event (EV_A_ w, EV_STAT);
2419 } 2645 }
2420} 2646}
2445 else 2671 else
2446#endif 2672#endif
2447 ev_timer_start (EV_A_ &w->timer); 2673 ev_timer_start (EV_A_ &w->timer);
2448 2674
2449 ev_start (EV_A_ (W)w, 1); 2675 ev_start (EV_A_ (W)w, 1);
2676
2677 EV_FREQUENT_CHECK;
2450} 2678}
2451 2679
2452void 2680void
2453ev_stat_stop (EV_P_ ev_stat *w) 2681ev_stat_stop (EV_P_ ev_stat *w)
2454{ 2682{
2455 clear_pending (EV_A_ (W)w); 2683 clear_pending (EV_A_ (W)w);
2456 if (expect_false (!ev_is_active (w))) 2684 if (expect_false (!ev_is_active (w)))
2457 return; 2685 return;
2458 2686
2687 EV_FREQUENT_CHECK;
2688
2459#if EV_USE_INOTIFY 2689#if EV_USE_INOTIFY
2460 infy_del (EV_A_ w); 2690 infy_del (EV_A_ w);
2461#endif 2691#endif
2462 ev_timer_stop (EV_A_ &w->timer); 2692 ev_timer_stop (EV_A_ &w->timer);
2463 2693
2464 ev_stop (EV_A_ (W)w); 2694 ev_stop (EV_A_ (W)w);
2695
2696 EV_FREQUENT_CHECK;
2465} 2697}
2466#endif 2698#endif
2467 2699
2468#if EV_IDLE_ENABLE 2700#if EV_IDLE_ENABLE
2469void 2701void
2471{ 2703{
2472 if (expect_false (ev_is_active (w))) 2704 if (expect_false (ev_is_active (w)))
2473 return; 2705 return;
2474 2706
2475 pri_adjust (EV_A_ (W)w); 2707 pri_adjust (EV_A_ (W)w);
2708
2709 EV_FREQUENT_CHECK;
2476 2710
2477 { 2711 {
2478 int active = ++idlecnt [ABSPRI (w)]; 2712 int active = ++idlecnt [ABSPRI (w)];
2479 2713
2480 ++idleall; 2714 ++idleall;
2481 ev_start (EV_A_ (W)w, active); 2715 ev_start (EV_A_ (W)w, active);
2482 2716
2483 array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2); 2717 array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2);
2484 idles [ABSPRI (w)][active - 1] = w; 2718 idles [ABSPRI (w)][active - 1] = w;
2485 } 2719 }
2720
2721 EV_FREQUENT_CHECK;
2486} 2722}
2487 2723
2488void 2724void
2489ev_idle_stop (EV_P_ ev_idle *w) 2725ev_idle_stop (EV_P_ ev_idle *w)
2490{ 2726{
2491 clear_pending (EV_A_ (W)w); 2727 clear_pending (EV_A_ (W)w);
2492 if (expect_false (!ev_is_active (w))) 2728 if (expect_false (!ev_is_active (w)))
2493 return; 2729 return;
2494 2730
2731 EV_FREQUENT_CHECK;
2732
2495 { 2733 {
2496 int active = ev_active (w); 2734 int active = ev_active (w);
2497 2735
2498 idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]]; 2736 idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]];
2499 ev_active (idles [ABSPRI (w)][active - 1]) = active; 2737 ev_active (idles [ABSPRI (w)][active - 1]) = active;
2500 2738
2501 ev_stop (EV_A_ (W)w); 2739 ev_stop (EV_A_ (W)w);
2502 --idleall; 2740 --idleall;
2503 } 2741 }
2742
2743 EV_FREQUENT_CHECK;
2504} 2744}
2505#endif 2745#endif
2506 2746
2507void 2747void
2508ev_prepare_start (EV_P_ ev_prepare *w) 2748ev_prepare_start (EV_P_ ev_prepare *w)
2509{ 2749{
2510 if (expect_false (ev_is_active (w))) 2750 if (expect_false (ev_is_active (w)))
2511 return; 2751 return;
2752
2753 EV_FREQUENT_CHECK;
2512 2754
2513 ev_start (EV_A_ (W)w, ++preparecnt); 2755 ev_start (EV_A_ (W)w, ++preparecnt);
2514 array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); 2756 array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2);
2515 prepares [preparecnt - 1] = w; 2757 prepares [preparecnt - 1] = w;
2758
2759 EV_FREQUENT_CHECK;
2516} 2760}
2517 2761
2518void 2762void
2519ev_prepare_stop (EV_P_ ev_prepare *w) 2763ev_prepare_stop (EV_P_ ev_prepare *w)
2520{ 2764{
2521 clear_pending (EV_A_ (W)w); 2765 clear_pending (EV_A_ (W)w);
2522 if (expect_false (!ev_is_active (w))) 2766 if (expect_false (!ev_is_active (w)))
2523 return; 2767 return;
2524 2768
2769 EV_FREQUENT_CHECK;
2770
2525 { 2771 {
2526 int active = ev_active (w); 2772 int active = ev_active (w);
2527 2773
2528 prepares [active - 1] = prepares [--preparecnt]; 2774 prepares [active - 1] = prepares [--preparecnt];
2529 ev_active (prepares [active - 1]) = active; 2775 ev_active (prepares [active - 1]) = active;
2530 } 2776 }
2531 2777
2532 ev_stop (EV_A_ (W)w); 2778 ev_stop (EV_A_ (W)w);
2779
2780 EV_FREQUENT_CHECK;
2533} 2781}
2534 2782
2535void 2783void
2536ev_check_start (EV_P_ ev_check *w) 2784ev_check_start (EV_P_ ev_check *w)
2537{ 2785{
2538 if (expect_false (ev_is_active (w))) 2786 if (expect_false (ev_is_active (w)))
2539 return; 2787 return;
2788
2789 EV_FREQUENT_CHECK;
2540 2790
2541 ev_start (EV_A_ (W)w, ++checkcnt); 2791 ev_start (EV_A_ (W)w, ++checkcnt);
2542 array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); 2792 array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2);
2543 checks [checkcnt - 1] = w; 2793 checks [checkcnt - 1] = w;
2794
2795 EV_FREQUENT_CHECK;
2544} 2796}
2545 2797
2546void 2798void
2547ev_check_stop (EV_P_ ev_check *w) 2799ev_check_stop (EV_P_ ev_check *w)
2548{ 2800{
2549 clear_pending (EV_A_ (W)w); 2801 clear_pending (EV_A_ (W)w);
2550 if (expect_false (!ev_is_active (w))) 2802 if (expect_false (!ev_is_active (w)))
2551 return; 2803 return;
2552 2804
2805 EV_FREQUENT_CHECK;
2806
2553 { 2807 {
2554 int active = ev_active (w); 2808 int active = ev_active (w);
2555 2809
2556 checks [active - 1] = checks [--checkcnt]; 2810 checks [active - 1] = checks [--checkcnt];
2557 ev_active (checks [active - 1]) = active; 2811 ev_active (checks [active - 1]) = active;
2558 } 2812 }
2559 2813
2560 ev_stop (EV_A_ (W)w); 2814 ev_stop (EV_A_ (W)w);
2815
2816 EV_FREQUENT_CHECK;
2561} 2817}
2562 2818
2563#if EV_EMBED_ENABLE 2819#if EV_EMBED_ENABLE
2564void noinline 2820void noinline
2565ev_embed_sweep (EV_P_ ev_embed *w) 2821ev_embed_sweep (EV_P_ ev_embed *w)
2592 ev_loop (EV_A_ EVLOOP_NONBLOCK); 2848 ev_loop (EV_A_ EVLOOP_NONBLOCK);
2593 } 2849 }
2594 } 2850 }
2595} 2851}
2596 2852
2853static void
2854embed_fork_cb (EV_P_ ev_fork *fork_w, int revents)
2855{
2856 ev_embed *w = (ev_embed *)(((char *)fork_w) - offsetof (ev_embed, fork));
2857
2858 {
2859 struct ev_loop *loop = w->other;
2860
2861 ev_loop_fork (EV_A);
2862 }
2863}
2864
2597#if 0 2865#if 0
2598static void 2866static void
2599embed_idle_cb (EV_P_ ev_idle *idle, int revents) 2867embed_idle_cb (EV_P_ ev_idle *idle, int revents)
2600{ 2868{
2601 ev_idle_stop (EV_A_ idle); 2869 ev_idle_stop (EV_A_ idle);
2612 struct ev_loop *loop = w->other; 2880 struct ev_loop *loop = w->other;
2613 assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); 2881 assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ()));
2614 ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ); 2882 ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ);
2615 } 2883 }
2616 2884
2885 EV_FREQUENT_CHECK;
2886
2617 ev_set_priority (&w->io, ev_priority (w)); 2887 ev_set_priority (&w->io, ev_priority (w));
2618 ev_io_start (EV_A_ &w->io); 2888 ev_io_start (EV_A_ &w->io);
2619 2889
2620 ev_prepare_init (&w->prepare, embed_prepare_cb); 2890 ev_prepare_init (&w->prepare, embed_prepare_cb);
2621 ev_set_priority (&w->prepare, EV_MINPRI); 2891 ev_set_priority (&w->prepare, EV_MINPRI);
2622 ev_prepare_start (EV_A_ &w->prepare); 2892 ev_prepare_start (EV_A_ &w->prepare);
2623 2893
2894 ev_fork_init (&w->fork, embed_fork_cb);
2895 ev_fork_start (EV_A_ &w->fork);
2896
2624 /*ev_idle_init (&w->idle, e,bed_idle_cb);*/ 2897 /*ev_idle_init (&w->idle, e,bed_idle_cb);*/
2625 2898
2626 ev_start (EV_A_ (W)w, 1); 2899 ev_start (EV_A_ (W)w, 1);
2900
2901 EV_FREQUENT_CHECK;
2627} 2902}
2628 2903
2629void 2904void
2630ev_embed_stop (EV_P_ ev_embed *w) 2905ev_embed_stop (EV_P_ ev_embed *w)
2631{ 2906{
2632 clear_pending (EV_A_ (W)w); 2907 clear_pending (EV_A_ (W)w);
2633 if (expect_false (!ev_is_active (w))) 2908 if (expect_false (!ev_is_active (w)))
2634 return; 2909 return;
2635 2910
2911 EV_FREQUENT_CHECK;
2912
2636 ev_io_stop (EV_A_ &w->io); 2913 ev_io_stop (EV_A_ &w->io);
2637 ev_prepare_stop (EV_A_ &w->prepare); 2914 ev_prepare_stop (EV_A_ &w->prepare);
2915 ev_fork_stop (EV_A_ &w->fork);
2638 2916
2639 ev_stop (EV_A_ (W)w); 2917 EV_FREQUENT_CHECK;
2640} 2918}
2641#endif 2919#endif
2642 2920
2643#if EV_FORK_ENABLE 2921#if EV_FORK_ENABLE
2644void 2922void
2645ev_fork_start (EV_P_ ev_fork *w) 2923ev_fork_start (EV_P_ ev_fork *w)
2646{ 2924{
2647 if (expect_false (ev_is_active (w))) 2925 if (expect_false (ev_is_active (w)))
2648 return; 2926 return;
2927
2928 EV_FREQUENT_CHECK;
2649 2929
2650 ev_start (EV_A_ (W)w, ++forkcnt); 2930 ev_start (EV_A_ (W)w, ++forkcnt);
2651 array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2); 2931 array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2);
2652 forks [forkcnt - 1] = w; 2932 forks [forkcnt - 1] = w;
2933
2934 EV_FREQUENT_CHECK;
2653} 2935}
2654 2936
2655void 2937void
2656ev_fork_stop (EV_P_ ev_fork *w) 2938ev_fork_stop (EV_P_ ev_fork *w)
2657{ 2939{
2658 clear_pending (EV_A_ (W)w); 2940 clear_pending (EV_A_ (W)w);
2659 if (expect_false (!ev_is_active (w))) 2941 if (expect_false (!ev_is_active (w)))
2660 return; 2942 return;
2661 2943
2944 EV_FREQUENT_CHECK;
2945
2662 { 2946 {
2663 int active = ev_active (w); 2947 int active = ev_active (w);
2664 2948
2665 forks [active - 1] = forks [--forkcnt]; 2949 forks [active - 1] = forks [--forkcnt];
2666 ev_active (forks [active - 1]) = active; 2950 ev_active (forks [active - 1]) = active;
2667 } 2951 }
2668 2952
2669 ev_stop (EV_A_ (W)w); 2953 ev_stop (EV_A_ (W)w);
2954
2955 EV_FREQUENT_CHECK;
2670} 2956}
2671#endif 2957#endif
2672 2958
2673#if EV_ASYNC_ENABLE 2959#if EV_ASYNC_ENABLE
2674void 2960void
2676{ 2962{
2677 if (expect_false (ev_is_active (w))) 2963 if (expect_false (ev_is_active (w)))
2678 return; 2964 return;
2679 2965
2680 evpipe_init (EV_A); 2966 evpipe_init (EV_A);
2967
2968 EV_FREQUENT_CHECK;
2681 2969
2682 ev_start (EV_A_ (W)w, ++asynccnt); 2970 ev_start (EV_A_ (W)w, ++asynccnt);
2683 array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2); 2971 array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2);
2684 asyncs [asynccnt - 1] = w; 2972 asyncs [asynccnt - 1] = w;
2973
2974 EV_FREQUENT_CHECK;
2685} 2975}
2686 2976
2687void 2977void
2688ev_async_stop (EV_P_ ev_async *w) 2978ev_async_stop (EV_P_ ev_async *w)
2689{ 2979{
2690 clear_pending (EV_A_ (W)w); 2980 clear_pending (EV_A_ (W)w);
2691 if (expect_false (!ev_is_active (w))) 2981 if (expect_false (!ev_is_active (w)))
2692 return; 2982 return;
2693 2983
2984 EV_FREQUENT_CHECK;
2985
2694 { 2986 {
2695 int active = ev_active (w); 2987 int active = ev_active (w);
2696 2988
2697 asyncs [active - 1] = asyncs [--asynccnt]; 2989 asyncs [active - 1] = asyncs [--asynccnt];
2698 ev_active (asyncs [active - 1]) = active; 2990 ev_active (asyncs [active - 1]) = active;
2699 } 2991 }
2700 2992
2701 ev_stop (EV_A_ (W)w); 2993 ev_stop (EV_A_ (W)w);
2994
2995 EV_FREQUENT_CHECK;
2702} 2996}
2703 2997
2704void 2998void
2705ev_async_send (EV_P_ ev_async *w) 2999ev_async_send (EV_P_ ev_async *w)
2706{ 3000{
2723once_cb (EV_P_ struct ev_once *once, int revents) 3017once_cb (EV_P_ struct ev_once *once, int revents)
2724{ 3018{
2725 void (*cb)(int revents, void *arg) = once->cb; 3019 void (*cb)(int revents, void *arg) = once->cb;
2726 void *arg = once->arg; 3020 void *arg = once->arg;
2727 3021
2728 ev_io_stop (EV_A_ &once->io); 3022 ev_io_stop (EV_A_ &once->io);
2729 ev_timer_stop (EV_A_ &once->to); 3023 ev_timer_stop (EV_A_ &once->to);
2730 ev_free (once); 3024 ev_free (once);
2731 3025
2732 cb (revents, arg); 3026 cb (revents, arg);
2733} 3027}
2734 3028
2735static void 3029static void
2736once_cb_io (EV_P_ ev_io *w, int revents) 3030once_cb_io (EV_P_ ev_io *w, int revents)
2737{ 3031{
2738 once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, io)), revents); 3032 struct ev_once *once = (struct ev_once *)(((char *)w) - offsetof (struct ev_once, io));
3033
3034 once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->to));
2739} 3035}
2740 3036
2741static void 3037static void
2742once_cb_to (EV_P_ ev_timer *w, int revents) 3038once_cb_to (EV_P_ ev_timer *w, int revents)
2743{ 3039{
2744 once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, to)), revents); 3040 struct ev_once *once = (struct ev_once *)(((char *)w) - offsetof (struct ev_once, to));
3041
3042 once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));
2745} 3043}
2746 3044
2747void 3045void
2748ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) 3046ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg)
2749{ 3047{

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