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Comparing libev/ev.c (file contents):
Revision 1.361 by root, Sun Oct 24 19:01:01 2010 UTC vs.
Revision 1.367 by root, Tue Jan 11 02:15:58 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 *
… …
591 if (syserr_cb) 591 if (syserr_cb)
592 syserr_cb (msg); 592 syserr_cb (msg);
593 else 593 else
594 { 594 {
595#if EV_AVOID_STDIO 595#if EV_AVOID_STDIO
596 const char *err = strerror (errno);
597
598 ev_printerr (msg); 596 ev_printerr (msg);
599 ev_printerr (": "); 597 ev_printerr (": ");
600 ev_printerr (err); 598 ev_printerr (strerror (errno));
601 ev_printerr ("\n"); 599 ev_printerr ("\n");
602#else 600#else
603 perror (msg); 601 perror (msg);
604#endif 602#endif
605 abort (); 603 abort ();
… …
639 ptr = alloc (ptr, size); 637 ptr = alloc (ptr, size);
640 638
641 if (!ptr && size) 639 if (!ptr && size)
642 { 640 {
643#if EV_AVOID_STDIO 641#if EV_AVOID_STDIO
644 ev_printerr ("libev: memory allocation failed, aborting.\n"); 642 ev_printerr ("(libev) memory allocation failed, aborting.\n");
645#else 643#else
646 fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); 644 fprintf (stderr, "(libev) cannot allocate %ld bytes, aborting.", size);
647#endif 645#endif
648 abort (); 646 abort ();
649 } 647 }
650 648
651 return ptr; 649 return ptr;
… …
1371#endif 1369#endif
1372} 1370}
1373 1371
1374/*****************************************************************************/ 1372/*****************************************************************************/
1375 1373
1374void
1375ev_feed_signal (int signum)
1376{
1377#if EV_MULTIPLICITY
1378 EV_P = signals [signum - 1].loop;
1379
1380 if (!EV_A)
1381 return;
1382#endif
1383
1384 signals [signum - 1].pending = 1;
1385 evpipe_write (EV_A_ &sig_pending);
1386}
1387
1376static void 1388static void
1377ev_sighandler (int signum) 1389ev_sighandler (int signum)
1378{ 1390{
1379#if EV_MULTIPLICITY
1380 EV_P = signals [signum - 1].loop;
1381#endif
1382
1383#ifdef _WIN32 1391#ifdef _WIN32
1384 signal (signum, ev_sighandler); 1392 signal (signum, ev_sighandler);
1385#endif 1393#endif
1386 1394
1387 signals [signum - 1].pending = 1; 1395 ev_feed_signal (signum);
1388 evpipe_write (EV_A_ &sig_pending);
1389} 1396}
1390 1397
1391void noinline 1398void noinline
1392ev_feed_signal_event (EV_P_ int signum) 1399ev_feed_signal_event (EV_P_ int signum)
1393{ 1400{
… …
1645static void noinline 1652static void noinline
1646loop_init (EV_P_ unsigned int flags) 1653loop_init (EV_P_ unsigned int flags)
1647{ 1654{
1648 if (!backend) 1655 if (!backend)
1649 { 1656 {
1657 origflags = flags;
1658
1650#if EV_USE_REALTIME 1659#if EV_USE_REALTIME
1651 if (!have_realtime) 1660 if (!have_realtime)
1652 { 1661 {
1653 struct timespec ts; 1662 struct timespec ts;
1654 1663
… …
1699#endif 1708#endif
1700#if EV_USE_SIGNALFD 1709#if EV_USE_SIGNALFD
1701 sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1; 1710 sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;
1702#endif 1711#endif
1703 1712
1704 if (!(flags & 0x0000ffffU)) 1713 if (!(flags & EVBACKEND_MASK))
1705 flags |= ev_recommended_backends (); 1714 flags |= ev_recommended_backends ();
1706 1715
1707#if EV_USE_IOCP 1716#if EV_USE_IOCP
1708 if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags); 1717 if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags);
1709#endif 1718#endif
… …
1735/* free up a loop structure */ 1744/* free up a loop structure */
1736void 1745void
1737ev_loop_destroy (EV_P) 1746ev_loop_destroy (EV_P)
1738{ 1747{
1739 int i; 1748 int i;
1749
1750#if EV_MULTIPLICITY
1751 /* mimic free (0) */
1752 if (!EV_A)
1753 return;
1754#endif
1740 1755
1741#if EV_CLEANUP_ENABLE 1756#if EV_CLEANUP_ENABLE
1742 /* queue cleanup watchers (and execute them) */ 1757 /* queue cleanup watchers (and execute them) */
1743 if (expect_false (cleanupcnt)) 1758 if (expect_false (cleanupcnt))
1744 { 1759 {
… …
2095 2110
2096 for (pri = NUMPRI; pri--; ) 2111 for (pri = NUMPRI; pri--; )
2097 while (pendingcnt [pri]) 2112 while (pendingcnt [pri])
2098 { 2113 {
2099 ANPENDING *p = pendings [pri] + --pendingcnt [pri]; 2114 ANPENDING *p = pendings [pri] + --pendingcnt [pri];
2100
2101 /*assert (("libev: non-pending watcher on pending list", p->w->pending));*/
2102 /* ^ this is no longer true, as pending_w could be here */
2103 2115
2104 p->w->pending = 0; 2116 p->w->pending = 0;
2105 EV_CB_INVOKE (p->w, p->events); 2117 EV_CB_INVOKE (p->w, p->events);
2106 EV_FREQUENT_CHECK; 2118 EV_FREQUENT_CHECK;
2107 } 2119 }
… …
2875 sa.sa_handler = ev_sighandler; 2887 sa.sa_handler = ev_sighandler;
2876 sigfillset (&sa.sa_mask); 2888 sigfillset (&sa.sa_mask);
2877 sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ 2889 sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */
2878 sigaction (w->signum, &sa, 0); 2890 sigaction (w->signum, &sa, 0);
2879 2891
2892 if (origflags & EVFLAG_NOSIGMASK)
2893 {
2880 sigemptyset (&sa.sa_mask); 2894 sigemptyset (&sa.sa_mask);
2881 sigaddset (&sa.sa_mask, w->signum); 2895 sigaddset (&sa.sa_mask, w->signum);
2882 sigprocmask (SIG_UNBLOCK, &sa.sa_mask, 0); 2896 sigprocmask (SIG_UNBLOCK, &sa.sa_mask, 0);
2897 }
2883#endif 2898#endif
2884 } 2899 }
2885 2900
2886 EV_FREQUENT_CHECK; 2901 EV_FREQUENT_CHECK;
2887} 2902}
… …
3592 3607
3593 ev_start (EV_A_ (W)w, ++cleanupcnt); 3608 ev_start (EV_A_ (W)w, ++cleanupcnt);
3594 array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, EMPTY2); 3609 array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, EMPTY2);
3595 cleanups [cleanupcnt - 1] = w; 3610 cleanups [cleanupcnt - 1] = w;
3596 3611
3612 /* cleanup watchers should never keep a refcount on the loop */
3613 ev_unref (EV_A);
3597 EV_FREQUENT_CHECK; 3614 EV_FREQUENT_CHECK;
3598} 3615}
3599 3616
3600void 3617void
3601ev_cleanup_stop (EV_P_ ev_cleanup *w) 3618ev_cleanup_stop (EV_P_ ev_cleanup *w)
… …
3603 clear_pending (EV_A_ (W)w); 3620 clear_pending (EV_A_ (W)w);
3604 if (expect_false (!ev_is_active (w))) 3621 if (expect_false (!ev_is_active (w)))
3605 return; 3622 return;
3606 3623
3607 EV_FREQUENT_CHECK; 3624 EV_FREQUENT_CHECK;
3625 ev_ref (EV_A);
3608 3626
3609 { 3627 {
3610 int active = ev_active (w); 3628 int active = ev_active (w);
3611 3629
3612 cleanups [active - 1] = cleanups [--cleanupcnt]; 3630 cleanups [active - 1] = cleanups [--cleanupcnt];

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