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Comparing libev/ev.c (file contents):
Revision 1.355 by root, Fri Oct 22 10:09:12 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
387# include <sys/utsname.h>
388# include <sys/statfs.h> 388# include <sys/statfs.h>
389# include <sys/inotify.h> 389# include <sys/inotify.h>
390/* some very old inotify.h headers don't have IN_DONT_FOLLOW */ 390/* some very old inotify.h headers don't have IN_DONT_FOLLOW */
391# ifndef IN_DONT_FOLLOW 391# ifndef IN_DONT_FOLLOW
392# undef EV_USE_INOTIFY 392# undef EV_USE_INOTIFY
… …
523# include "ev_win32.c" 523# include "ev_win32.c"
524#endif 524#endif
525 525
526/*****************************************************************************/ 526/*****************************************************************************/
527 527
528#ifdef __linux
529# include <sys/utsname.h>
530#endif
531
528static unsigned int noinline 532static unsigned int noinline
529ev_linux_version (void) 533ev_linux_version (void)
530{ 534{
531#ifdef __linux 535#ifdef __linux
536 unsigned int v = 0;
532 struct utsname buf; 537 struct utsname buf;
533 unsigned int v;
534 int i; 538 int i;
535 char *p = buf.release; 539 char *p = buf.release;
536 540
537 if (uname (&buf)) 541 if (uname (&buf))
538 return 0; 542 return 0;
… …
588 if (syserr_cb) 592 if (syserr_cb)
589 syserr_cb (msg); 593 syserr_cb (msg);
590 else 594 else
591 { 595 {
592#if EV_AVOID_STDIO 596#if EV_AVOID_STDIO
593 const char *err = strerror (errno);
594
595 ev_printerr (msg); 597 ev_printerr (msg);
596 ev_printerr (": "); 598 ev_printerr (": ");
597 ev_printerr (err); 599 ev_printerr (strerror (errno));
598 ev_printerr ("\n"); 600 ev_printerr ("\n");
599#else 601#else
600 perror (msg); 602 perror (msg);
601#endif 603#endif
602 abort (); 604 abort ();
… …
636 ptr = alloc (ptr, size); 638 ptr = alloc (ptr, size);
637 639
638 if (!ptr && size) 640 if (!ptr && size)
639 { 641 {
640#if EV_AVOID_STDIO 642#if EV_AVOID_STDIO
641 ev_printerr ("libev: memory allocation failed, aborting.\n"); 643 ev_printerr ("(libev) memory allocation failed, aborting.\n");
642#else 644#else
643 fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); 645 fprintf (stderr, "(libev) cannot allocate %ld bytes, aborting.", size);
644#endif 646#endif
645 abort (); 647 abort ();
646 } 648 }
647 649
648 return ptr; 650 return ptr;
… …
665 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 */
666 unsigned char unused; 668 unsigned char unused;
667#if EV_USE_EPOLL 669#if EV_USE_EPOLL
668 unsigned int egen; /* generation counter to counter epoll bugs */ 670 unsigned int egen; /* generation counter to counter epoll bugs */
669#endif 671#endif
670#if EV_SELECT_IS_WINSOCKET 672#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP
671 SOCKET handle; 673 SOCKET handle;
674#endif
675#if EV_USE_IOCP
676 OVERLAPPED or, ow;
672#endif 677#endif
673} ANFD; 678} ANFD;
674 679
675/* stores the pending event set for a given watcher */ 680/* stores the pending event set for a given watcher */
676typedef struct 681typedef struct
… …
811 select (0, 0, 0, 0, &tv); 816 select (0, 0, 0, 0, &tv);
812#endif 817#endif
813 } 818 }
814} 819}
815 820
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
816/*****************************************************************************/ 829/*****************************************************************************/
817 830
818#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 */
819 832
820/* find a suitable new size for the given array, */ 833/* find a suitable new size for the given array, */
… …
972 unsigned char o_events = anfd->events; 985 unsigned char o_events = anfd->events;
973 unsigned char o_reify = anfd->reify; 986 unsigned char o_reify = anfd->reify;
974 987
975 anfd->reify = 0; 988 anfd->reify = 0;
976 989
977#if EV_SELECT_IS_WINSOCKET 990#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP
978 if (o_reify & EV__IOFDSET) 991 if (o_reify & EV__IOFDSET)
979 { 992 {
980 unsigned long arg; 993 unsigned long arg;
981 anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); 994 anfd->handle = EV_FD_TO_WIN32_HANDLE (fd);
982 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
983 } 997 }
984#endif 998#endif
985 999
986 /*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */ 1000 /*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */
987 { 1001 {
… …
1338 char dummy; 1352 char dummy;
1339 /* 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 */
1340 read (evpipe [0], &dummy, 1); 1354 read (evpipe [0], &dummy, 1);
1341 } 1355 }
1342 1356
1357#if EV_SIGNAL_ENABLE
1343 if (sig_pending) 1358 if (sig_pending)
1344 { 1359 {
1345 sig_pending = 0; 1360 sig_pending = 0;
1346 1361
1347 for (i = EV_NSIG - 1; i--; ) 1362 for (i = EV_NSIG - 1; i--; )
1348 if (expect_false (signals [i].pending)) 1363 if (expect_false (signals [i].pending))
1349 ev_feed_signal_event (EV_A_ i + 1); 1364 ev_feed_signal_event (EV_A_ i + 1);
1350 } 1365 }
1366#endif
1351 1367
1352#if EV_ASYNC_ENABLE 1368#if EV_ASYNC_ENABLE
1353 if (async_pending) 1369 if (async_pending)
1354 { 1370 {
1355 async_pending = 0; 1371 async_pending = 0;
… …
1364#endif 1380#endif
1365} 1381}
1366 1382
1367/*****************************************************************************/ 1383/*****************************************************************************/
1368 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
1369static void 1399static void
1370ev_sighandler (int signum) 1400ev_sighandler (int signum)
1371{ 1401{
1372#if EV_MULTIPLICITY
1373 EV_P = signals [signum - 1].loop;
1374#endif
1375
1376#ifdef _WIN32 1402#ifdef _WIN32
1377 signal (signum, ev_sighandler); 1403 signal (signum, ev_sighandler);
1378#endif 1404#endif
1379 1405
1380 signals [signum - 1].pending = 1; 1406 ev_feed_signal (signum);
1381 evpipe_write (EV_A_ &sig_pending);
1382} 1407}
1383 1408
1384void noinline 1409void noinline
1385ev_feed_signal_event (EV_P_ int signum) 1410ev_feed_signal_event (EV_P_ int signum)
1386{ 1411{
… …
1486 1511
1487#endif 1512#endif
1488 1513
1489/*****************************************************************************/ 1514/*****************************************************************************/
1490 1515
1516#if EV_USE_IOCP
1517# include "ev_iocp.c"
1518#endif
1491#if EV_USE_PORT 1519#if EV_USE_PORT
1492# include "ev_port.c" 1520# include "ev_port.c"
1493#endif 1521#endif
1494#if EV_USE_KQUEUE 1522#if EV_USE_KQUEUE
1495# include "ev_kqueue.c" 1523# include "ev_kqueue.c"
… …
1635static void noinline 1663static void noinline
1636loop_init (EV_P_ unsigned int flags) 1664loop_init (EV_P_ unsigned int flags)
1637{ 1665{
1638 if (!backend) 1666 if (!backend)
1639 { 1667 {
1668 origflags = flags;
1669
1640#if EV_USE_REALTIME 1670#if EV_USE_REALTIME
1641 if (!have_realtime) 1671 if (!have_realtime)
1642 { 1672 {
1643 struct timespec ts; 1673 struct timespec ts;
1644 1674
… …
1689#endif 1719#endif
1690#if EV_USE_SIGNALFD 1720#if EV_USE_SIGNALFD
1691 sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1; 1721 sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;
1692#endif 1722#endif
1693 1723
1694 if (!(flags & 0x0000ffffU)) 1724 if (!(flags & EVBACKEND_MASK))
1695 flags |= ev_recommended_backends (); 1725 flags |= ev_recommended_backends ();
1696 1726
1727#if EV_USE_IOCP
1728 if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags);
1729#endif
1697#if EV_USE_PORT 1730#if EV_USE_PORT
1698 if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); 1731 if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);
1699#endif 1732#endif
1700#if EV_USE_KQUEUE 1733#if EV_USE_KQUEUE
1701 if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); 1734 if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags);
… …
1718#endif 1751#endif
1719 } 1752 }
1720} 1753}
1721 1754
1722/* free up a loop structure */ 1755/* free up a loop structure */
1723static void noinline 1756void
1724loop_destroy (EV_P) 1757ev_loop_destroy (EV_P)
1725{ 1758{
1726 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
1727 1783
1728 if (ev_is_active (&pipe_w)) 1784 if (ev_is_active (&pipe_w))
1729 { 1785 {
1730 /*ev_ref (EV_A);*/ 1786 /*ev_ref (EV_A);*/
1731 /*ev_io_stop (EV_A_ &pipe_w);*/ 1787 /*ev_io_stop (EV_A_ &pipe_w);*/
… …
1753#endif 1809#endif
1754 1810
1755 if (backend_fd >= 0) 1811 if (backend_fd >= 0)
1756 close (backend_fd); 1812 close (backend_fd);
1757 1813
1814#if EV_USE_IOCP
1815 if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A);
1816#endif
1758#if EV_USE_PORT 1817#if EV_USE_PORT
1759 if (backend == EVBACKEND_PORT ) port_destroy (EV_A); 1818 if (backend == EVBACKEND_PORT ) port_destroy (EV_A);
1760#endif 1819#endif
1761#if EV_USE_KQUEUE 1820#if EV_USE_KQUEUE
1762 if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); 1821 if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A);
… …
1789 array_free (periodic, EMPTY); 1848 array_free (periodic, EMPTY);
1790#endif 1849#endif
1791#if EV_FORK_ENABLE 1850#if EV_FORK_ENABLE
1792 array_free (fork, EMPTY); 1851 array_free (fork, EMPTY);
1793#endif 1852#endif
1853#if EV_CLEANUP_ENABLE
1854 array_free (cleanup, EMPTY);
1855#endif
1794 array_free (prepare, EMPTY); 1856 array_free (prepare, EMPTY);
1795 array_free (check, EMPTY); 1857 array_free (check, EMPTY);
1796#if EV_ASYNC_ENABLE 1858#if EV_ASYNC_ENABLE
1797 array_free (async, EMPTY); 1859 array_free (async, EMPTY);
1798#endif 1860#endif
1799 1861
1800 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
1801} 1872}
1802 1873
1803#if EV_USE_INOTIFY 1874#if EV_USE_INOTIFY
1804inline_size void infy_fork (EV_P); 1875inline_size void infy_fork (EV_P);
1805#endif 1876#endif
… …
1864 loop_init (EV_A_ flags); 1935 loop_init (EV_A_ flags);
1865 1936
1866 if (ev_backend (EV_A)) 1937 if (ev_backend (EV_A))
1867 return EV_A; 1938 return EV_A;
1868 1939
1940 ev_free (EV_A);
1869 return 0; 1941 return 0;
1870} 1942}
1871 1943
1872void
1873ev_loop_destroy (EV_P)
1874{
1875 loop_destroy (EV_A);
1876 ev_free (loop);
1877}
1878
1879void
1880ev_loop_fork (EV_P)
1881{
1882 postfork = 1; /* must be in line with ev_default_fork */
1883}
1884#endif /* multiplicity */ 1944#endif /* multiplicity */
1885 1945
1886#if EV_VERIFY 1946#if EV_VERIFY
1887static void noinline 1947static void noinline
1888verify_watcher (EV_P_ W w) 1948verify_watcher (EV_P_ W w)
… …
1963#if EV_FORK_ENABLE 2023#if EV_FORK_ENABLE
1964 assert (forkmax >= forkcnt); 2024 assert (forkmax >= forkcnt);
1965 array_verify (EV_A_ (W *)forks, forkcnt); 2025 array_verify (EV_A_ (W *)forks, forkcnt);
1966#endif 2026#endif
1967 2027
2028#if EV_CLEANUP_ENABLE
2029 assert (cleanupmax >= cleanupcnt);
2030 array_verify (EV_A_ (W *)cleanups, cleanupcnt);
2031#endif
2032
1968#if EV_ASYNC_ENABLE 2033#if EV_ASYNC_ENABLE
1969 assert (asyncmax >= asynccnt); 2034 assert (asyncmax >= asynccnt);
1970 array_verify (EV_A_ (W *)asyncs, asynccnt); 2035 array_verify (EV_A_ (W *)asyncs, asynccnt);
1971#endif 2036#endif
1972 2037
… …
1990} 2055}
1991#endif 2056#endif
1992 2057
1993#if EV_MULTIPLICITY 2058#if EV_MULTIPLICITY
1994struct ev_loop * 2059struct ev_loop *
1995ev_default_loop_init (unsigned int flags)
1996#else 2060#else
1997int 2061int
2062#endif
1998ev_default_loop (unsigned int flags) 2063ev_default_loop (unsigned int flags)
1999#endif
2000{ 2064{
2001 if (!ev_default_loop_ptr) 2065 if (!ev_default_loop_ptr)
2002 { 2066 {
2003#if EV_MULTIPLICITY 2067#if EV_MULTIPLICITY
2004 EV_P = ev_default_loop_ptr = &default_loop_struct; 2068 EV_P = ev_default_loop_ptr = &default_loop_struct;
… …
2023 2087
2024 return ev_default_loop_ptr; 2088 return ev_default_loop_ptr;
2025} 2089}
2026 2090
2027void 2091void
2028ev_default_destroy (void) 2092ev_loop_fork (EV_P)
2029{ 2093{
2030#if EV_MULTIPLICITY
2031 EV_P = ev_default_loop_ptr;
2032#endif
2033
2034 ev_default_loop_ptr = 0;
2035
2036#if EV_CHILD_ENABLE
2037 ev_ref (EV_A); /* child watcher */
2038 ev_signal_stop (EV_A_ &childev);
2039#endif
2040
2041 loop_destroy (EV_A);
2042}
2043
2044void
2045ev_default_fork (void)
2046{
2047#if EV_MULTIPLICITY
2048 EV_P = ev_default_loop_ptr;
2049#endif
2050
2051 postfork = 1; /* must be in line with ev_loop_fork */ 2094 postfork = 1; /* must be in line with ev_default_fork */
2052} 2095}
2053 2096
2054/*****************************************************************************/ 2097/*****************************************************************************/
2055 2098
2056void 2099void
… …
2078 2121
2079 for (pri = NUMPRI; pri--; ) 2122 for (pri = NUMPRI; pri--; )
2080 while (pendingcnt [pri]) 2123 while (pendingcnt [pri])
2081 { 2124 {
2082 ANPENDING *p = pendings [pri] + --pendingcnt [pri]; 2125 ANPENDING *p = pendings [pri] + --pendingcnt [pri];
2083
2084 /*assert (("libev: non-pending watcher on pending list", p->w->pending));*/
2085 /* ^ this is no longer true, as pending_w could be here */
2086 2126
2087 p->w->pending = 0; 2127 p->w->pending = 0;
2088 EV_CB_INVOKE (p->w, p->events); 2128 EV_CB_INVOKE (p->w, p->events);
2089 EV_FREQUENT_CHECK; 2129 EV_FREQUENT_CHECK;
2090 } 2130 }
… …
2152 feed_reverse_done (EV_A_ EV_TIMER); 2192 feed_reverse_done (EV_A_ EV_TIMER);
2153 } 2193 }
2154} 2194}
2155 2195
2156#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
2157/* make periodics pending */ 2206/* make periodics pending */
2158inline_size void 2207inline_size void
2159periodics_reify (EV_P) 2208periodics_reify (EV_P)
2160{ 2209{
2161 EV_FREQUENT_CHECK; 2210 EV_FREQUENT_CHECK;
… …
2180 ANHE_at_cache (periodics [HEAP0]); 2229 ANHE_at_cache (periodics [HEAP0]);
2181 downheap (periodics, periodiccnt, HEAP0); 2230 downheap (periodics, periodiccnt, HEAP0);
2182 } 2231 }
2183 else if (w->interval) 2232 else if (w->interval)
2184 { 2233 {
2185 ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; 2234 periodic_recalc (EV_A_ w);
2235
2186 /* 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 */
2187 /* this might happen because of floating point inexactness */ 2237 /* this might happen because of floating point inexactness */
2188 if (ev_at (w) - ev_rt_now < TIME_EPSILON) 2238 if (ev_at (w) - ev_rt_now < TIME_EPSILON)
2189 { 2239 {
2190 ev_at (w) += w->interval; 2240 ev_at (w) += w->interval;
… …
2224 ev_periodic *w = (ev_periodic *)ANHE_w (periodics [i]); 2274 ev_periodic *w = (ev_periodic *)ANHE_w (periodics [i]);
2225 2275
2226 if (w->reschedule_cb) 2276 if (w->reschedule_cb)
2227 ev_at (w) = w->reschedule_cb (w, ev_rt_now); 2277 ev_at (w) = w->reschedule_cb (w, ev_rt_now);
2228 else if (w->interval) 2278 else if (w->interval)
2229 ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; 2279 periodic_recalc (EV_A_ w);
2230 2280
2231 ANHE_at_cache (periodics [i]); 2281 ANHE_at_cache (periodics [i]);
2232 } 2282 }
2233 2283
2234 reheap (periodics, periodiccnt); 2284 reheap (periodics, periodiccnt);
… …
2726 if (w->reschedule_cb) 2776 if (w->reschedule_cb)
2727 ev_at (w) = w->reschedule_cb (w, ev_rt_now); 2777 ev_at (w) = w->reschedule_cb (w, ev_rt_now);
2728 else if (w->interval) 2778 else if (w->interval)
2729 { 2779 {
2730 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.));
2731 /* this formula differs from the one in periodic_reify because we do not always round up */ 2781 periodic_recalc (EV_A_ w);
2732 ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
2733 } 2782 }
2734 else 2783 else
2735 ev_at (w) = w->offset; 2784 ev_at (w) = w->offset;
2736 2785
2737 EV_FREQUENT_CHECK; 2786 EV_FREQUENT_CHECK;
… …
2858 sa.sa_handler = ev_sighandler; 2907 sa.sa_handler = ev_sighandler;
2859 sigfillset (&sa.sa_mask); 2908 sigfillset (&sa.sa_mask);
2860 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 */
2861 sigaction (w->signum, &sa, 0); 2910 sigaction (w->signum, &sa, 0);
2862 2911
2912 if (origflags & EVFLAG_NOSIGMASK)
2913 {
2863 sigemptyset (&sa.sa_mask); 2914 sigemptyset (&sa.sa_mask);
2864 sigaddset (&sa.sa_mask, w->signum); 2915 sigaddset (&sa.sa_mask, w->signum);
2865 sigprocmask (SIG_UNBLOCK, &sa.sa_mask, 0); 2916 sigprocmask (SIG_UNBLOCK, &sa.sa_mask, 0);
2917 }
2866#endif 2918#endif
2867 } 2919 }
2868 2920
2869 EV_FREQUENT_CHECK; 2921 EV_FREQUENT_CHECK;
2870} 2922}
… …
3562 3614
3563 EV_FREQUENT_CHECK; 3615 EV_FREQUENT_CHECK;
3564} 3616}
3565#endif 3617#endif
3566 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
3567#if EV_ASYNC_ENABLE 3660#if EV_ASYNC_ENABLE
3568void 3661void
3569ev_async_start (EV_P_ ev_async *w) 3662ev_async_start (EV_P_ ev_async *w)
3570{ 3663{
3571 if (expect_false (ev_is_active (w))) 3664 if (expect_false (ev_is_active (w)))

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