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Comparing libev/ev.c (file contents):
Revision 1.249 by root, Wed May 21 23:30:52 2008 UTC vs.
Revision 1.263 by root, Wed Oct 1 18:50:03 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
236# define EV_USE_EVENTFD 0 245# define EV_USE_EVENTFD 0
237# endif 246# endif
238#endif 247#endif
239 248
240#if 0 /* debugging */ 249#if 0 /* debugging */
241# define EV_VERIFY 1 250# define EV_VERIFY 3
242# define EV_USE_4HEAP 1 251# define EV_USE_4HEAP 1
243# define EV_HEAP_CACHE_AT 1 252# define EV_HEAP_CACHE_AT 1
253#endif
254
255#ifndef EV_VERIFY
256# define EV_VERIFY !EV_MINIMAL
244#endif 257#endif
245 258
246#ifndef EV_USE_4HEAP 259#ifndef EV_USE_4HEAP
247# define EV_USE_4HEAP !EV_MINIMAL 260# define EV_USE_4HEAP !EV_MINIMAL
248#endif 261#endif
274# endif 287# endif
275#endif 288#endif
276 289
277#if EV_USE_INOTIFY 290#if EV_USE_INOTIFY
278# include <sys/inotify.h> 291# include <sys/inotify.h>
292/* some very old inotify.h headers don't have IN_DONT_FOLLOW */
293# ifndef IN_DONT_FOLLOW
294# undef EV_USE_INOTIFY
295# define EV_USE_INOTIFY 0
296# endif
279#endif 297#endif
280 298
281#if EV_SELECT_IS_WINSOCKET 299#if EV_SELECT_IS_WINSOCKET
282# include <winsock.h> 300# include <winsock.h>
283#endif 301#endif
294# endif 312# endif
295#endif 313#endif
296 314
297/**/ 315/**/
298 316
299/* EV_VERIFY: enable internal consistency checks
300 * undefined or zero: no verification done or available
301 * 1 or higher: ev_loop_verify function available
302 * 2 or higher: ev_loop_verify is called frequently
303 */
304#if EV_VERIFY >= 1 317#if EV_VERIFY >= 3
305# define EV_FREQUENT_CHECK ev_loop_verify (EV_A) 318# define EV_FREQUENT_CHECK ev_loop_verify (EV_A)
306#else 319#else
307# define EV_FREQUENT_CHECK do { } while (0) 320# define EV_FREQUENT_CHECK do { } while (0)
308#endif 321#endif
309 322
557 struct timeval tv; 570 struct timeval tv;
558 571
559 tv.tv_sec = (time_t)delay; 572 tv.tv_sec = (time_t)delay;
560 tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); 573 tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6);
561 574
575 /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */
576 /* somehting nto guaranteed by newer posix versions, but guaranteed */
577 /* by older ones */
562 select (0, 0, 0, 0, &tv); 578 select (0, 0, 0, 0, &tv);
563#endif 579#endif
564 } 580 }
565} 581}
566 582
700 events |= (unsigned char)w->events; 716 events |= (unsigned char)w->events;
701 717
702#if EV_SELECT_IS_WINSOCKET 718#if EV_SELECT_IS_WINSOCKET
703 if (events) 719 if (events)
704 { 720 {
705 unsigned long argp; 721 unsigned long arg;
706 #ifdef EV_FD_TO_WIN32_HANDLE 722 #ifdef EV_FD_TO_WIN32_HANDLE
707 anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); 723 anfd->handle = EV_FD_TO_WIN32_HANDLE (fd);
708 #else 724 #else
709 anfd->handle = _get_osfhandle (fd); 725 anfd->handle = _get_osfhandle (fd);
710 #endif 726 #endif
711 assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0)); 727 assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0));
712 } 728 }
713#endif 729#endif
714 730
715 { 731 {
716 unsigned char o_events = anfd->events; 732 unsigned char o_events = anfd->events;
769{ 785{
770 int fd; 786 int fd;
771 787
772 for (fd = 0; fd < anfdmax; ++fd) 788 for (fd = 0; fd < anfdmax; ++fd)
773 if (anfds [fd].events) 789 if (anfds [fd].events)
774 if (!fd_valid (fd) == -1 && errno == EBADF) 790 if (!fd_valid (fd) && errno == EBADF)
775 fd_kill (EV_A_ fd); 791 fd_kill (EV_A_ fd);
776} 792}
777 793
778/* called on ENOMEM in select/poll to kill some fds and retry */ 794/* called on ENOMEM in select/poll to kill some fds and retry */
779static void noinline 795static void noinline
938/* rebuild the heap: this function is used only once and executed rarely */ 954/* rebuild the heap: this function is used only once and executed rarely */
939void inline_size 955void inline_size
940reheap (ANHE *heap, int N) 956reheap (ANHE *heap, int N)
941{ 957{
942 int i; 958 int i;
959
943 /* we don't use floyds algorithm, upheap is simpler and is more cache-efficient */ 960 /* we don't use floyds algorithm, upheap is simpler and is more cache-efficient */
944 /* also, this is easy to implement and correct for both 2-heaps and 4-heaps */ 961 /* also, this is easy to implement and correct for both 2-heaps and 4-heaps */
945 for (i = 0; i < N; ++i) 962 for (i = 0; i < N; ++i)
946 upheap (heap, i + HEAP0); 963 upheap (heap, i + HEAP0);
947} 964}
948 965
949#if EV_VERIFY
950static void
951checkheap (ANHE *heap, int N)
952{
953 int i;
954
955 for (i = HEAP0; i < N + HEAP0; ++i)
956 {
957 assert (("active index mismatch in heap", ev_active (ANHE_w (heap [i])) == i));
958 assert (("heap condition violated", i == HEAP0 || ANHE_at (heap [HPARENT (i)]) <= ANHE_at (heap [i])));
959 assert (("heap at cache mismatch", ANHE_at (heap [i]) == ev_at (ANHE_w (heap [i]))));
960 }
961}
962#endif
963
964/*****************************************************************************/ 966/*****************************************************************************/
965 967
966typedef struct 968typedef struct
967{ 969{
968 WL head; 970 WL head;
990 992
991void inline_speed 993void inline_speed
992fd_intern (int fd) 994fd_intern (int fd)
993{ 995{
994#ifdef _WIN32 996#ifdef _WIN32
995 int arg = 1; 997 unsigned long arg = 1;
996 ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); 998 ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg);
997#else 999#else
998 fcntl (fd, F_SETFD, FD_CLOEXEC); 1000 fcntl (fd, F_SETFD, FD_CLOEXEC);
999 fcntl (fd, F_SETFL, O_NONBLOCK); 1001 fcntl (fd, F_SETFL, O_NONBLOCK);
1000#endif 1002#endif
1484 1486
1485 postfork = 0; 1487 postfork = 0;
1486} 1488}
1487 1489
1488#if EV_MULTIPLICITY 1490#if EV_MULTIPLICITY
1491
1489struct ev_loop * 1492struct ev_loop *
1490ev_loop_new (unsigned int flags) 1493ev_loop_new (unsigned int flags)
1491{ 1494{
1492 struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); 1495 struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
1493 1496
1513{ 1516{
1514 postfork = 1; /* must be in line with ev_default_fork */ 1517 postfork = 1; /* must be in line with ev_default_fork */
1515} 1518}
1516 1519
1517#if EV_VERIFY 1520#if EV_VERIFY
1518static void 1521static void noinline
1522verify_watcher (EV_P_ W w)
1523{
1524 assert (("watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI));
1525
1526 if (w->pending)
1527 assert (("pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w));
1528}
1529
1530static void noinline
1531verify_heap (EV_P_ ANHE *heap, int N)
1532{
1533 int i;
1534
1535 for (i = HEAP0; i < N + HEAP0; ++i)
1536 {
1537 assert (("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])));
1539 assert (("heap at cache mismatch", ANHE_at (heap [i]) == ev_at (ANHE_w (heap [i]))));
1540
1541 verify_watcher (EV_A_ (W)ANHE_w (heap [i]));
1542 }
1543}
1544
1545static void noinline
1519array_check (W **ws, int cnt) 1546array_verify (EV_P_ W *ws, int cnt)
1520{ 1547{
1521 while (cnt--) 1548 while (cnt--)
1549 {
1522 assert (("active index mismatch", ev_active (ws [cnt]) == cnt + 1)); 1550 assert (("active index mismatch", ev_active (ws [cnt]) == cnt + 1));
1551 verify_watcher (EV_A_ ws [cnt]);
1552 }
1523} 1553}
1554#endif
1524 1555
1525static void 1556void
1526ev_loop_verify (EV_P) 1557ev_loop_verify (EV_P)
1527{ 1558{
1559#if EV_VERIFY
1528 int i; 1560 int i;
1561 WL w;
1529 1562
1563 assert (activecnt >= -1);
1564
1565 assert (fdchangemax >= fdchangecnt);
1566 for (i = 0; i < fdchangecnt; ++i)
1567 assert (("negative fd in fdchanges", fdchanges [i] >= 0));
1568
1569 assert (anfdmax >= 0);
1570 for (i = 0; i < anfdmax; ++i)
1571 for (w = anfds [i].head; w; w = w->next)
1572 {
1573 verify_watcher (EV_A_ (W)w);
1574 assert (("inactive fd watcher on anfd list", ev_active (w) == 1));
1575 assert (("fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i));
1576 }
1577
1578 assert (timermax >= timercnt);
1530 checkheap (timers, timercnt); 1579 verify_heap (EV_A_ timers, timercnt);
1580
1531#if EV_PERIODIC_ENABLE 1581#if EV_PERIODIC_ENABLE
1582 assert (periodicmax >= periodiccnt);
1532 checkheap (periodics, periodiccnt); 1583 verify_heap (EV_A_ periodics, periodiccnt);
1533#endif 1584#endif
1534 1585
1586 for (i = NUMPRI; i--; )
1587 {
1588 assert (pendingmax [i] >= pendingcnt [i]);
1535#if EV_IDLE_ENABLE 1589#if EV_IDLE_ENABLE
1536 for (i = NUMPRI; i--; ) 1590 assert (idleall >= 0);
1591 assert (idlemax [i] >= idlecnt [i]);
1537 array_check ((W **)idles [i], idlecnt [i]); 1592 array_verify (EV_A_ (W *)idles [i], idlecnt [i]);
1538#endif 1593#endif
1594 }
1595
1539#if EV_FORK_ENABLE 1596#if EV_FORK_ENABLE
1597 assert (forkmax >= forkcnt);
1540 array_check ((W **)forks, forkcnt); 1598 array_verify (EV_A_ (W *)forks, forkcnt);
1541#endif 1599#endif
1542 array_check ((W **)prepares, preparecnt); 1600
1543 array_check ((W **)checks, checkcnt);
1544#if EV_ASYNC_ENABLE 1601#if EV_ASYNC_ENABLE
1602 assert (asyncmax >= asynccnt);
1545 array_check ((W **)asyncs, asynccnt); 1603 array_verify (EV_A_ (W *)asyncs, asynccnt);
1604#endif
1605
1606 assert (preparemax >= preparecnt);
1607 array_verify (EV_A_ (W *)prepares, preparecnt);
1608
1609 assert (checkmax >= checkcnt);
1610 array_verify (EV_A_ (W *)checks, checkcnt);
1611
1612# if 0
1613 for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next)
1614 for (signum = signalmax; signum--; ) if (signals [signum].gotsig)
1546#endif 1615# endif
1547}
1548#endif 1616#endif
1617}
1549 1618
1550#endif 1619#endif /* multiplicity */
1551 1620
1552#if EV_MULTIPLICITY 1621#if EV_MULTIPLICITY
1553struct ev_loop * 1622struct ev_loop *
1554ev_default_loop_init (unsigned int flags) 1623ev_default_loop_init (unsigned int flags)
1555#else 1624#else
1620void inline_speed 1689void inline_speed
1621call_pending (EV_P) 1690call_pending (EV_P)
1622{ 1691{
1623 int pri; 1692 int pri;
1624 1693
1625 EV_FREQUENT_CHECK;
1626
1627 for (pri = NUMPRI; pri--; ) 1694 for (pri = NUMPRI; pri--; )
1628 while (pendingcnt [pri]) 1695 while (pendingcnt [pri])
1629 { 1696 {
1630 ANPENDING *p = pendings [pri] + --pendingcnt [pri]; 1697 ANPENDING *p = pendings [pri] + --pendingcnt [pri];
1631 1698
1633 { 1700 {
1634 /*assert (("non-pending watcher on pending list", p->w->pending));*/ 1701 /*assert (("non-pending watcher on pending list", p->w->pending));*/
1635 1702
1636 p->w->pending = 0; 1703 p->w->pending = 0;
1637 EV_CB_INVOKE (p->w, p->events); 1704 EV_CB_INVOKE (p->w, p->events);
1705 EV_FREQUENT_CHECK;
1638 } 1706 }
1639 } 1707 }
1640
1641 EV_FREQUENT_CHECK;
1642} 1708}
1643 1709
1644#if EV_IDLE_ENABLE 1710#if EV_IDLE_ENABLE
1645void inline_size 1711void inline_size
1646idle_reify (EV_P) 1712idle_reify (EV_P)
1698#if EV_PERIODIC_ENABLE 1764#if EV_PERIODIC_ENABLE
1699void inline_size 1765void inline_size
1700periodics_reify (EV_P) 1766periodics_reify (EV_P)
1701{ 1767{
1702 EV_FREQUENT_CHECK; 1768 EV_FREQUENT_CHECK;
1769
1703 while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now) 1770 while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)
1704 { 1771 {
1705 ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]); 1772 ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]);
1706 1773
1707 /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ 1774 /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/
1713 1780
1714 assert (("ev_periodic reschedule callback returned time in the past", ev_at (w) >= ev_rt_now)); 1781 assert (("ev_periodic reschedule callback returned time in the past", ev_at (w) >= ev_rt_now));
1715 1782
1716 ANHE_at_cache (periodics [HEAP0]); 1783 ANHE_at_cache (periodics [HEAP0]);
1717 downheap (periodics, periodiccnt, HEAP0); 1784 downheap (periodics, periodiccnt, HEAP0);
1718 EV_FREQUENT_CHECK;
1719 } 1785 }
1720 else if (w->interval) 1786 else if (w->interval)
1721 { 1787 {
1722 ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; 1788 ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
1723 /* if next trigger time is not sufficiently in the future, put it there */ 1789 /* if next trigger time is not sufficiently in the future, put it there */
1848ev_unref (EV_P) 1914ev_unref (EV_P)
1849{ 1915{
1850 --activecnt; 1916 --activecnt;
1851} 1917}
1852 1918
1919void
1920ev_now_update (EV_P)
1921{
1922 time_update (EV_A_ 1e100);
1923}
1924
1853static int loop_done; 1925static int loop_done;
1854 1926
1855void 1927void
1856ev_loop (EV_P_ int flags) 1928ev_loop (EV_P_ int flags)
1857{ 1929{
1859 1931
1860 call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */ 1932 call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */
1861 1933
1862 do 1934 do
1863 { 1935 {
1936#if EV_VERIFY >= 2
1937 ev_loop_verify (EV_A);
1938#endif
1939
1864#ifndef _WIN32 1940#ifndef _WIN32
1865 if (expect_false (curpid)) /* penalise the forking check even more */ 1941 if (expect_false (curpid)) /* penalise the forking check even more */
1866 if (expect_false (getpid () != curpid)) 1942 if (expect_false (getpid () != curpid))
1867 { 1943 {
1868 curpid = getpid (); 1944 curpid = getpid ();
2506 } 2582 }
2507 2583
2508 } 2584 }
2509} 2585}
2510 2586
2587#endif
2588
2589#ifdef _WIN32
2590# define EV_LSTAT(p,b) _stati64 (p, b)
2591#else
2592# define EV_LSTAT(p,b) lstat (p, b)
2511#endif 2593#endif
2512 2594
2513void 2595void
2514ev_stat_stat (EV_P_ ev_stat *w) 2596ev_stat_stat (EV_P_ ev_stat *w)
2515{ 2597{
2756 ev_loop (EV_A_ EVLOOP_NONBLOCK); 2838 ev_loop (EV_A_ EVLOOP_NONBLOCK);
2757 } 2839 }
2758 } 2840 }
2759} 2841}
2760 2842
2843static void
2844embed_fork_cb (EV_P_ ev_fork *fork_w, int revents)
2845{
2846 ev_embed *w = (ev_embed *)(((char *)fork_w) - offsetof (ev_embed, fork));
2847
2848 {
2849 struct ev_loop *loop = w->other;
2850
2851 ev_loop_fork (EV_A);
2852 }
2853}
2854
2761#if 0 2855#if 0
2762static void 2856static void
2763embed_idle_cb (EV_P_ ev_idle *idle, int revents) 2857embed_idle_cb (EV_P_ ev_idle *idle, int revents)
2764{ 2858{
2765 ev_idle_stop (EV_A_ idle); 2859 ev_idle_stop (EV_A_ idle);
2785 2879
2786 ev_prepare_init (&w->prepare, embed_prepare_cb); 2880 ev_prepare_init (&w->prepare, embed_prepare_cb);
2787 ev_set_priority (&w->prepare, EV_MINPRI); 2881 ev_set_priority (&w->prepare, EV_MINPRI);
2788 ev_prepare_start (EV_A_ &w->prepare); 2882 ev_prepare_start (EV_A_ &w->prepare);
2789 2883
2884 ev_fork_init (&w->fork, embed_fork_cb);
2885 ev_fork_start (EV_A_ &w->fork);
2886
2790 /*ev_idle_init (&w->idle, e,bed_idle_cb);*/ 2887 /*ev_idle_init (&w->idle, e,bed_idle_cb);*/
2791 2888
2792 ev_start (EV_A_ (W)w, 1); 2889 ev_start (EV_A_ (W)w, 1);
2793 2890
2794 EV_FREQUENT_CHECK; 2891 EV_FREQUENT_CHECK;
2801 if (expect_false (!ev_is_active (w))) 2898 if (expect_false (!ev_is_active (w)))
2802 return; 2899 return;
2803 2900
2804 EV_FREQUENT_CHECK; 2901 EV_FREQUENT_CHECK;
2805 2902
2806 ev_io_stop (EV_A_ &w->io); 2903 ev_io_stop (EV_A_ &w->io);
2807 ev_prepare_stop (EV_A_ &w->prepare); 2904 ev_prepare_stop (EV_A_ &w->prepare);
2808 2905 ev_fork_stop (EV_A_ &w->fork);
2809 ev_stop (EV_A_ (W)w);
2810 2906
2811 EV_FREQUENT_CHECK; 2907 EV_FREQUENT_CHECK;
2812} 2908}
2813#endif 2909#endif
2814 2910
2911once_cb (EV_P_ struct ev_once *once, int revents) 3007once_cb (EV_P_ struct ev_once *once, int revents)
2912{ 3008{
2913 void (*cb)(int revents, void *arg) = once->cb; 3009 void (*cb)(int revents, void *arg) = once->cb;
2914 void *arg = once->arg; 3010 void *arg = once->arg;
2915 3011
2916 ev_io_stop (EV_A_ &once->io); 3012 ev_io_stop (EV_A_ &once->io);
2917 ev_timer_stop (EV_A_ &once->to); 3013 ev_timer_stop (EV_A_ &once->to);
2918 ev_free (once); 3014 ev_free (once);
2919 3015
2920 cb (revents, arg); 3016 cb (revents, arg);
2921} 3017}
2922 3018
2923static void 3019static void
2924once_cb_io (EV_P_ ev_io *w, int revents) 3020once_cb_io (EV_P_ ev_io *w, int revents)
2925{ 3021{
2926 once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, io)), revents); 3022 struct ev_once *once = (struct ev_once *)(((char *)w) - offsetof (struct ev_once, io));
3023
3024 once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->to));
2927} 3025}
2928 3026
2929static void 3027static void
2930once_cb_to (EV_P_ ev_timer *w, int revents) 3028once_cb_to (EV_P_ ev_timer *w, int revents)
2931{ 3029{
2932 once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, to)), revents); 3030 struct ev_once *once = (struct ev_once *)(((char *)w) - offsetof (struct ev_once, to));
3031
3032 once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));
2933} 3033}
2934 3034
2935void 3035void
2936ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) 3036ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg)
2937{ 3037{

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