ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/libev/ev.c
(Generate patch)

Comparing libev/ev.c (file contents):
Revision 1.356 by root, Fri Oct 22 11:21:52 2010 UTC vs.
Revision 1.370 by root, Sun Jan 30 19:05:41 2011 UTC

1/* 1/*
2 * libev event processing core, watcher management 2 * libev event processing core, watcher management
3 * 3 *
4 * Copyright (c) 2007,2008,2009,2010 Marc Alexander Lehmann <libev@schmorp.de> 4 * Copyright (c) 2007,2008,2009,2010,2011 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 *
… …
376# undef EV_USE_INOTIFY 376# undef EV_USE_INOTIFY
377# define EV_USE_INOTIFY 0 377# define EV_USE_INOTIFY 0
378#endif 378#endif
379 379
380#if !EV_USE_NANOSLEEP 380#if !EV_USE_NANOSLEEP
381# ifndef _WIN32 381/* hp-ux has it in sys/time.h, which we unconditionally include above */
382# if !defined(_WIN32) && !defined(__hpux)
382# include <sys/select.h> 383# include <sys/select.h>
383# endif 384# endif
384#endif 385#endif
385 386
386#if EV_USE_INOTIFY 387#if EV_USE_INOTIFY
… …
530 531
531static unsigned int noinline 532static unsigned int noinline
532ev_linux_version (void) 533ev_linux_version (void)
533{ 534{
534#ifdef __linux 535#ifdef __linux
536 unsigned int v = 0;
535 struct utsname buf; 537 struct utsname buf;
536 unsigned int v;
537 int i; 538 int i;
538 char *p = buf.release; 539 char *p = buf.release;
539 540
540 if (uname (&buf)) 541 if (uname (&buf))
541 return 0; 542 return 0;
… …
591 if (syserr_cb) 592 if (syserr_cb)
592 syserr_cb (msg); 593 syserr_cb (msg);
593 else 594 else
594 { 595 {
595#if EV_AVOID_STDIO 596#if EV_AVOID_STDIO
596 const char *err = strerror (errno);
597
598 ev_printerr (msg); 597 ev_printerr (msg);
599 ev_printerr (": "); 598 ev_printerr (": ");
600 ev_printerr (err); 599 ev_printerr (strerror (errno));
601 ev_printerr ("\n"); 600 ev_printerr ("\n");
602#else 601#else
603 perror (msg); 602 perror (msg);
604#endif 603#endif
605 abort (); 604 abort ();
… …
639 ptr = alloc (ptr, size); 638 ptr = alloc (ptr, size);
640 639
641 if (!ptr && size) 640 if (!ptr && size)
642 { 641 {
643#if EV_AVOID_STDIO 642#if EV_AVOID_STDIO
644 ev_printerr ("libev: memory allocation failed, aborting.\n"); 643 ev_printerr ("(libev) memory allocation failed, aborting.\n");
645#else 644#else
646 fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); 645 fprintf (stderr, "(libev) cannot allocate %ld bytes, aborting.", size);
647#endif 646#endif
648 abort (); 647 abort ();
649 } 648 }
650 649
651 return ptr; 650 return ptr;
… …
668 unsigned char emask; /* the epoll backend stores the actual kernel mask in here */ 667 unsigned char emask; /* the epoll backend stores the actual kernel mask in here */
669 unsigned char unused; 668 unsigned char unused;
670#if EV_USE_EPOLL 669#if EV_USE_EPOLL
671 unsigned int egen; /* generation counter to counter epoll bugs */ 670 unsigned int egen; /* generation counter to counter epoll bugs */
672#endif 671#endif
673#if EV_SELECT_IS_WINSOCKET 672#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP
674 SOCKET handle; 673 SOCKET handle;
674#endif
675#if EV_USE_IOCP
676 OVERLAPPED or, ow;
675#endif 677#endif
676} ANFD; 678} ANFD;
677 679
678/* stores the pending event set for a given watcher */ 680/* stores the pending event set for a given watcher */
679typedef struct 681typedef struct
… …
814 select (0, 0, 0, 0, &tv); 816 select (0, 0, 0, 0, &tv);
815#endif 817#endif
816 } 818 }
817} 819}
818 820
821inline_speed int
822ev_timeout_to_ms (ev_tstamp timeout)
823{
824 int ms = timeout * 1000. + .999999;
825
826 return expect_true (ms) ? ms : timeout < 1e-6 ? 0 : 1;
827}
828
819/*****************************************************************************/ 829/*****************************************************************************/
820 830
821#define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */ 831#define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */
822 832
823/* find a suitable new size for the given array, */ 833/* find a suitable new size for the given array, */
… …
975 unsigned char o_events = anfd->events; 985 unsigned char o_events = anfd->events;
976 unsigned char o_reify = anfd->reify; 986 unsigned char o_reify = anfd->reify;
977 987
978 anfd->reify = 0; 988 anfd->reify = 0;
979 989
980#if EV_SELECT_IS_WINSOCKET 990#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP
981 if (o_reify & EV__IOFDSET) 991 if (o_reify & EV__IOFDSET)
982 { 992 {
983 unsigned long arg; 993 unsigned long arg;
984 anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); 994 anfd->handle = EV_FD_TO_WIN32_HANDLE (fd);
985 assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); 995 assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0));
996 printf ("oi %d %x\n", fd, anfd->handle);//D
986 } 997 }
987#endif 998#endif
988 999
989 /*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */ 1000 /*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */
990 { 1001 {
… …
1341 char dummy; 1352 char dummy;
1342 /* see discussion in evpipe_write when you think this read should be recv in win32 */ 1353 /* see discussion in evpipe_write when you think this read should be recv in win32 */
1343 read (evpipe [0], &dummy, 1); 1354 read (evpipe [0], &dummy, 1);
1344 } 1355 }
1345 1356
1357#if EV_SIGNAL_ENABLE
1346 if (sig_pending) 1358 if (sig_pending)
1347 { 1359 {
1348 sig_pending = 0; 1360 sig_pending = 0;
1349 1361
1350 for (i = EV_NSIG - 1; i--; ) 1362 for (i = EV_NSIG - 1; i--; )
1351 if (expect_false (signals [i].pending)) 1363 if (expect_false (signals [i].pending))
1352 ev_feed_signal_event (EV_A_ i + 1); 1364 ev_feed_signal_event (EV_A_ i + 1);
1353 } 1365 }
1366#endif
1354 1367
1355#if EV_ASYNC_ENABLE 1368#if EV_ASYNC_ENABLE
1356 if (async_pending) 1369 if (async_pending)
1357 { 1370 {
1358 async_pending = 0; 1371 async_pending = 0;
… …
1367#endif 1380#endif
1368} 1381}
1369 1382
1370/*****************************************************************************/ 1383/*****************************************************************************/
1371 1384
1385void
1386ev_feed_signal (int signum)
1387{
1388#if EV_MULTIPLICITY
1389 EV_P = signals [signum - 1].loop;
1390
1391 if (!EV_A)
1392 return;
1393#endif
1394
1395 signals [signum - 1].pending = 1;
1396 evpipe_write (EV_A_ &sig_pending);
1397}
1398
1372static void 1399static void
1373ev_sighandler (int signum) 1400ev_sighandler (int signum)
1374{ 1401{
1375#if EV_MULTIPLICITY
1376 EV_P = signals [signum - 1].loop;
1377#endif
1378
1379#ifdef _WIN32 1402#ifdef _WIN32
1380 signal (signum, ev_sighandler); 1403 signal (signum, ev_sighandler);
1381#endif 1404#endif
1382 1405
1383 signals [signum - 1].pending = 1; 1406 ev_feed_signal (signum);
1384 evpipe_write (EV_A_ &sig_pending);
1385} 1407}
1386 1408
1387void noinline 1409void noinline
1388ev_feed_signal_event (EV_P_ int signum) 1410ev_feed_signal_event (EV_P_ int signum)
1389{ 1411{
… …
1489 1511
1490#endif 1512#endif
1491 1513
1492/*****************************************************************************/ 1514/*****************************************************************************/
1493 1515
1516#if EV_USE_IOCP
1517# include "ev_iocp.c"
1518#endif
1494#if EV_USE_PORT 1519#if EV_USE_PORT
1495# include "ev_port.c" 1520# include "ev_port.c"
1496#endif 1521#endif
1497#if EV_USE_KQUEUE 1522#if EV_USE_KQUEUE
1498# include "ev_kqueue.c" 1523# include "ev_kqueue.c"
… …
1638static void noinline 1663static void noinline
1639loop_init (EV_P_ unsigned int flags) 1664loop_init (EV_P_ unsigned int flags)
1640{ 1665{
1641 if (!backend) 1666 if (!backend)
1642 { 1667 {
1668 origflags = flags;
1669
1643#if EV_USE_REALTIME 1670#if EV_USE_REALTIME
1644 if (!have_realtime) 1671 if (!have_realtime)
1645 { 1672 {
1646 struct timespec ts; 1673 struct timespec ts;
1647 1674
… …
1692#endif 1719#endif
1693#if EV_USE_SIGNALFD 1720#if EV_USE_SIGNALFD
1694 sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1; 1721 sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;
1695#endif 1722#endif
1696 1723
1697 if (!(flags & 0x0000ffffU)) 1724 if (!(flags & EVBACKEND_MASK))
1698 flags |= ev_recommended_backends (); 1725 flags |= ev_recommended_backends ();
1699 1726
1727#if EV_USE_IOCP
1728 if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags);
1729#endif
1700#if EV_USE_PORT 1730#if EV_USE_PORT
1701 if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); 1731 if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);
1702#endif 1732#endif
1703#if EV_USE_KQUEUE 1733#if EV_USE_KQUEUE
1704 if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); 1734 if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags);
… …
1721#endif 1751#endif
1722 } 1752 }
1723} 1753}
1724 1754
1725/* free up a loop structure */ 1755/* free up a loop structure */
1726static void noinline 1756void
1727loop_destroy (EV_P) 1757ev_loop_destroy (EV_P)
1728{ 1758{
1729 int i; 1759 int i;
1760
1761#if EV_MULTIPLICITY
1762 /* mimic free (0) */
1763 if (!EV_A)
1764 return;
1765#endif
1766
1767#if EV_CLEANUP_ENABLE
1768 /* queue cleanup watchers (and execute them) */
1769 if (expect_false (cleanupcnt))
1770 {
1771 queue_events (EV_A_ (W *)cleanups, cleanupcnt, EV_CLEANUP);
1772 EV_INVOKE_PENDING;
1773 }
1774#endif
1775
1776#if EV_CHILD_ENABLE
1777 if (ev_is_active (&childev))
1778 {
1779 ev_ref (EV_A); /* child watcher */
1780 ev_signal_stop (EV_A_ &childev);
1781 }
1782#endif
1730 1783
1731 if (ev_is_active (&pipe_w)) 1784 if (ev_is_active (&pipe_w))
1732 { 1785 {
1733 /*ev_ref (EV_A);*/ 1786 /*ev_ref (EV_A);*/
1734 /*ev_io_stop (EV_A_ &pipe_w);*/ 1787 /*ev_io_stop (EV_A_ &pipe_w);*/
… …
1756#endif 1809#endif
1757 1810
1758 if (backend_fd >= 0) 1811 if (backend_fd >= 0)
1759 close (backend_fd); 1812 close (backend_fd);
1760 1813
1814#if EV_USE_IOCP
1815 if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A);
1816#endif
1761#if EV_USE_PORT 1817#if EV_USE_PORT
1762 if (backend == EVBACKEND_PORT ) port_destroy (EV_A); 1818 if (backend == EVBACKEND_PORT ) port_destroy (EV_A);
1763#endif 1819#endif
1764#if EV_USE_KQUEUE 1820#if EV_USE_KQUEUE
1765 if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); 1821 if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A);
… …
1792 array_free (periodic, EMPTY); 1848 array_free (periodic, EMPTY);
1793#endif 1849#endif
1794#if EV_FORK_ENABLE 1850#if EV_FORK_ENABLE
1795 array_free (fork, EMPTY); 1851 array_free (fork, EMPTY);
1796#endif 1852#endif
1853#if EV_CLEANUP_ENABLE
1854 array_free (cleanup, EMPTY);
1855#endif
1797 array_free (prepare, EMPTY); 1856 array_free (prepare, EMPTY);
1798 array_free (check, EMPTY); 1857 array_free (check, EMPTY);
1799#if EV_ASYNC_ENABLE 1858#if EV_ASYNC_ENABLE
1800 array_free (async, EMPTY); 1859 array_free (async, EMPTY);
1801#endif 1860#endif
1802 1861
1803 backend = 0; 1862 backend = 0;
1863
1864#if EV_MULTIPLICITY
1865 if (ev_is_default_loop (EV_A))
1866#endif
1867 ev_default_loop_ptr = 0;
1868#if EV_MULTIPLICITY
1869 else
1870 ev_free (EV_A);
1871#endif
1804} 1872}
1805 1873
1806#if EV_USE_INOTIFY 1874#if EV_USE_INOTIFY
1807inline_size void infy_fork (EV_P); 1875inline_size void infy_fork (EV_P);
1808#endif 1876#endif
… …
1867 loop_init (EV_A_ flags); 1935 loop_init (EV_A_ flags);
1868 1936
1869 if (ev_backend (EV_A)) 1937 if (ev_backend (EV_A))
1870 return EV_A; 1938 return EV_A;
1871 1939
1940 ev_free (EV_A);
1872 return 0; 1941 return 0;
1873} 1942}
1874 1943
1875void
1876ev_loop_destroy (EV_P)
1877{
1878 loop_destroy (EV_A);
1879 ev_free (loop);
1880}
1881
1882void
1883ev_loop_fork (EV_P)
1884{
1885 postfork = 1; /* must be in line with ev_default_fork */
1886}
1887#endif /* multiplicity */ 1944#endif /* multiplicity */
1888 1945
1889#if EV_VERIFY 1946#if EV_VERIFY
1890static void noinline 1947static void noinline
1891verify_watcher (EV_P_ W w) 1948verify_watcher (EV_P_ W w)
… …
1966#if EV_FORK_ENABLE 2023#if EV_FORK_ENABLE
1967 assert (forkmax >= forkcnt); 2024 assert (forkmax >= forkcnt);
1968 array_verify (EV_A_ (W *)forks, forkcnt); 2025 array_verify (EV_A_ (W *)forks, forkcnt);
1969#endif 2026#endif
1970 2027
2028#if EV_CLEANUP_ENABLE
2029 assert (cleanupmax >= cleanupcnt);
2030 array_verify (EV_A_ (W *)cleanups, cleanupcnt);
2031#endif
2032
1971#if EV_ASYNC_ENABLE 2033#if EV_ASYNC_ENABLE
1972 assert (asyncmax >= asynccnt); 2034 assert (asyncmax >= asynccnt);
1973 array_verify (EV_A_ (W *)asyncs, asynccnt); 2035 array_verify (EV_A_ (W *)asyncs, asynccnt);
1974#endif 2036#endif
1975 2037
… …
1993} 2055}
1994#endif 2056#endif
1995 2057
1996#if EV_MULTIPLICITY 2058#if EV_MULTIPLICITY
1997struct ev_loop * 2059struct ev_loop *
1998ev_default_loop_init (unsigned int flags)
1999#else 2060#else
2000int 2061int
2062#endif
2001ev_default_loop (unsigned int flags) 2063ev_default_loop (unsigned int flags)
2002#endif
2003{ 2064{
2004 if (!ev_default_loop_ptr) 2065 if (!ev_default_loop_ptr)
2005 { 2066 {
2006#if EV_MULTIPLICITY 2067#if EV_MULTIPLICITY
2007 EV_P = ev_default_loop_ptr = &default_loop_struct; 2068 EV_P = ev_default_loop_ptr = &default_loop_struct;
… …
2026 2087
2027 return ev_default_loop_ptr; 2088 return ev_default_loop_ptr;
2028} 2089}
2029 2090
2030void 2091void
2031ev_default_destroy (void) 2092ev_loop_fork (EV_P)
2032{ 2093{
2033#if EV_MULTIPLICITY
2034 EV_P = ev_default_loop_ptr;
2035#endif
2036
2037 ev_default_loop_ptr = 0;
2038
2039#if EV_CHILD_ENABLE
2040 ev_ref (EV_A); /* child watcher */
2041 ev_signal_stop (EV_A_ &childev);
2042#endif
2043
2044 loop_destroy (EV_A);
2045}
2046
2047void
2048ev_default_fork (void)
2049{
2050#if EV_MULTIPLICITY
2051 EV_P = ev_default_loop_ptr;
2052#endif
2053
2054 postfork = 1; /* must be in line with ev_loop_fork */ 2094 postfork = 1; /* must be in line with ev_default_fork */
2055} 2095}
2056 2096
2057/*****************************************************************************/ 2097/*****************************************************************************/
2058 2098
2059void 2099void
… …
2081 2121
2082 for (pri = NUMPRI; pri--; ) 2122 for (pri = NUMPRI; pri--; )
2083 while (pendingcnt [pri]) 2123 while (pendingcnt [pri])
2084 { 2124 {
2085 ANPENDING *p = pendings [pri] + --pendingcnt [pri]; 2125 ANPENDING *p = pendings [pri] + --pendingcnt [pri];
2086
2087 /*assert (("libev: non-pending watcher on pending list", p->w->pending));*/
2088 /* ^ this is no longer true, as pending_w could be here */
2089 2126
2090 p->w->pending = 0; 2127 p->w->pending = 0;
2091 EV_CB_INVOKE (p->w, p->events); 2128 EV_CB_INVOKE (p->w, p->events);
2092 EV_FREQUENT_CHECK; 2129 EV_FREQUENT_CHECK;
2093 } 2130 }
… …
2155 feed_reverse_done (EV_A_ EV_TIMER); 2192 feed_reverse_done (EV_A_ EV_TIMER);
2156 } 2193 }
2157} 2194}
2158 2195
2159#if EV_PERIODIC_ENABLE 2196#if EV_PERIODIC_ENABLE
2197
2198inline_speed
2199periodic_recalc (EV_P_ ev_periodic *w)
2200{
2201 /* TODO: use slow but potentially more correct incremental algo, */
2202 /* also do not rely on ceil */
2203 ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
2204}
2205
2160/* make periodics pending */ 2206/* make periodics pending */
2161inline_size void 2207inline_size void
2162periodics_reify (EV_P) 2208periodics_reify (EV_P)
2163{ 2209{
2164 EV_FREQUENT_CHECK; 2210 EV_FREQUENT_CHECK;
… …
2183 ANHE_at_cache (periodics [HEAP0]); 2229 ANHE_at_cache (periodics [HEAP0]);
2184 downheap (periodics, periodiccnt, HEAP0); 2230 downheap (periodics, periodiccnt, HEAP0);
2185 } 2231 }
2186 else if (w->interval) 2232 else if (w->interval)
2187 { 2233 {
2188 ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; 2234 periodic_recalc (EV_A_ w);
2235
2189 /* if next trigger time is not sufficiently in the future, put it there */ 2236 /* if next trigger time is not sufficiently in the future, put it there */
2190 /* this might happen because of floating point inexactness */ 2237 /* this might happen because of floating point inexactness */
2191 if (ev_at (w) - ev_rt_now < TIME_EPSILON) 2238 if (ev_at (w) - ev_rt_now < TIME_EPSILON)
2192 { 2239 {
2193 ev_at (w) += w->interval; 2240 ev_at (w) += w->interval;
… …
2227 ev_periodic *w = (ev_periodic *)ANHE_w (periodics [i]); 2274 ev_periodic *w = (ev_periodic *)ANHE_w (periodics [i]);
2228 2275
2229 if (w->reschedule_cb) 2276 if (w->reschedule_cb)
2230 ev_at (w) = w->reschedule_cb (w, ev_rt_now); 2277 ev_at (w) = w->reschedule_cb (w, ev_rt_now);
2231 else if (w->interval) 2278 else if (w->interval)
2232 ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; 2279 periodic_recalc (EV_A_ w);
2233 2280
2234 ANHE_at_cache (periodics [i]); 2281 ANHE_at_cache (periodics [i]);
2235 } 2282 }
2236 2283
2237 reheap (periodics, periodiccnt); 2284 reheap (periodics, periodiccnt);
… …
2729 if (w->reschedule_cb) 2776 if (w->reschedule_cb)
2730 ev_at (w) = w->reschedule_cb (w, ev_rt_now); 2777 ev_at (w) = w->reschedule_cb (w, ev_rt_now);
2731 else if (w->interval) 2778 else if (w->interval)
2732 { 2779 {
2733 assert (("libev: ev_periodic_start called with negative interval value", w->interval >= 0.)); 2780 assert (("libev: ev_periodic_start called with negative interval value", w->interval >= 0.));
2734 /* this formula differs from the one in periodic_reify because we do not always round up */ 2781 periodic_recalc (EV_A_ w);
2735 ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
2736 } 2782 }
2737 else 2783 else
2738 ev_at (w) = w->offset; 2784 ev_at (w) = w->offset;
2739 2785
2740 EV_FREQUENT_CHECK; 2786 EV_FREQUENT_CHECK;
… …
2861 sa.sa_handler = ev_sighandler; 2907 sa.sa_handler = ev_sighandler;
2862 sigfillset (&sa.sa_mask); 2908 sigfillset (&sa.sa_mask);
2863 sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ 2909 sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */
2864 sigaction (w->signum, &sa, 0); 2910 sigaction (w->signum, &sa, 0);
2865 2911
2912 if (origflags & EVFLAG_NOSIGMASK)
2913 {
2866 sigemptyset (&sa.sa_mask); 2914 sigemptyset (&sa.sa_mask);
2867 sigaddset (&sa.sa_mask, w->signum); 2915 sigaddset (&sa.sa_mask, w->signum);
2868 sigprocmask (SIG_UNBLOCK, &sa.sa_mask, 0); 2916 sigprocmask (SIG_UNBLOCK, &sa.sa_mask, 0);
2917 }
2869#endif 2918#endif
2870 } 2919 }
2871 2920
2872 EV_FREQUENT_CHECK; 2921 EV_FREQUENT_CHECK;
2873} 2922}
… …
3565 3614
3566 EV_FREQUENT_CHECK; 3615 EV_FREQUENT_CHECK;
3567} 3616}
3568#endif 3617#endif
3569 3618
3619#if EV_CLEANUP_ENABLE
3620void
3621ev_cleanup_start (EV_P_ ev_cleanup *w)
3622{
3623 if (expect_false (ev_is_active (w)))
3624 return;
3625
3626 EV_FREQUENT_CHECK;
3627
3628 ev_start (EV_A_ (W)w, ++cleanupcnt);
3629 array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, EMPTY2);
3630 cleanups [cleanupcnt - 1] = w;
3631
3632 /* cleanup watchers should never keep a refcount on the loop */
3633 ev_unref (EV_A);
3634 EV_FREQUENT_CHECK;
3635}
3636
3637void
3638ev_cleanup_stop (EV_P_ ev_cleanup *w)
3639{
3640 clear_pending (EV_A_ (W)w);
3641 if (expect_false (!ev_is_active (w)))
3642 return;
3643
3644 EV_FREQUENT_CHECK;
3645 ev_ref (EV_A);
3646
3647 {
3648 int active = ev_active (w);
3649
3650 cleanups [active - 1] = cleanups [--cleanupcnt];
3651 ev_active (cleanups [active - 1]) = active;
3652 }
3653
3654 ev_stop (EV_A_ (W)w);
3655
3656 EV_FREQUENT_CHECK;
3657}
3658#endif
3659
3570#if EV_ASYNC_ENABLE 3660#if EV_ASYNC_ENABLE
3571void 3661void
3572ev_async_start (EV_P_ ev_async *w) 3662ev_async_start (EV_P_ ev_async *w)
3573{ 3663{
3574 if (expect_false (ev_is_active (w))) 3664 if (expect_false (ev_is_active (w)))

Diff Legend

– Removed lines
+ Added lines
< Changed lines
> Changed lines