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Comparing libev/ev.c (file contents):
Revision 1.364 by root, Sun Oct 24 21:51:03 2010 UTC vs.
Revision 1.368 by root, Mon Jan 17 12:11:11 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;
… …
815 /* by older ones */ 813 /* by older ones */
816 EV_TV_SET (tv, delay); 814 EV_TV_SET (tv, delay);
817 select (0, 0, 0, 0, &tv); 815 select (0, 0, 0, 0, &tv);
818#endif 816#endif
819 } 817 }
818}
819
820inline_speed int
821ev_timeout_to_ms (ev_tstamp timeout)
822{
823 int ms = timeout * 1000. + .999999;
824
825 return expect_true (ms) ? ms : timeout < 1e-6 ? 0 : 1;
820} 826}
821 827
822/*****************************************************************************/ 828/*****************************************************************************/
823 829
824#define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */ 830#define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */
… …
1371#endif 1377#endif
1372} 1378}
1373 1379
1374/*****************************************************************************/ 1380/*****************************************************************************/
1375 1381
1382void
1383ev_feed_signal (int signum)
1384{
1385#if EV_MULTIPLICITY
1386 EV_P = signals [signum - 1].loop;
1387
1388 if (!EV_A)
1389 return;
1390#endif
1391
1392 signals [signum - 1].pending = 1;
1393 evpipe_write (EV_A_ &sig_pending);
1394}
1395
1376static void 1396static void
1377ev_sighandler (int signum) 1397ev_sighandler (int signum)
1378{ 1398{
1379#if EV_MULTIPLICITY
1380 EV_P = signals [signum - 1].loop;
1381#endif
1382
1383#ifdef _WIN32 1399#ifdef _WIN32
1384 signal (signum, ev_sighandler); 1400 signal (signum, ev_sighandler);
1385#endif 1401#endif
1386 1402
1387 signals [signum - 1].pending = 1; 1403 ev_feed_signal (signum);
1388 evpipe_write (EV_A_ &sig_pending);
1389} 1404}
1390 1405
1391void noinline 1406void noinline
1392ev_feed_signal_event (EV_P_ int signum) 1407ev_feed_signal_event (EV_P_ int signum)
1393{ 1408{
… …
1645static void noinline 1660static void noinline
1646loop_init (EV_P_ unsigned int flags) 1661loop_init (EV_P_ unsigned int flags)
1647{ 1662{
1648 if (!backend) 1663 if (!backend)
1649 { 1664 {
1665 origflags = flags;
1666
1650#if EV_USE_REALTIME 1667#if EV_USE_REALTIME
1651 if (!have_realtime) 1668 if (!have_realtime)
1652 { 1669 {
1653 struct timespec ts; 1670 struct timespec ts;
1654 1671
… …
1699#endif 1716#endif
1700#if EV_USE_SIGNALFD 1717#if EV_USE_SIGNALFD
1701 sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1; 1718 sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;
1702#endif 1719#endif
1703 1720
1704 if (!(flags & 0x0000ffffU)) 1721 if (!(flags & EVBACKEND_MASK))
1705 flags |= ev_recommended_backends (); 1722 flags |= ev_recommended_backends ();
1706 1723
1707#if EV_USE_IOCP 1724#if EV_USE_IOCP
1708 if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags); 1725 if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags);
1709#endif 1726#endif
… …
2101 2118
2102 for (pri = NUMPRI; pri--; ) 2119 for (pri = NUMPRI; pri--; )
2103 while (pendingcnt [pri]) 2120 while (pendingcnt [pri])
2104 { 2121 {
2105 ANPENDING *p = pendings [pri] + --pendingcnt [pri]; 2122 ANPENDING *p = pendings [pri] + --pendingcnt [pri];
2106
2107 /*assert (("libev: non-pending watcher on pending list", p->w->pending));*/
2108 /* ^ this is no longer true, as pending_w could be here */
2109 2123
2110 p->w->pending = 0; 2124 p->w->pending = 0;
2111 EV_CB_INVOKE (p->w, p->events); 2125 EV_CB_INVOKE (p->w, p->events);
2112 EV_FREQUENT_CHECK; 2126 EV_FREQUENT_CHECK;
2113 } 2127 }
… …
2881 sa.sa_handler = ev_sighandler; 2895 sa.sa_handler = ev_sighandler;
2882 sigfillset (&sa.sa_mask); 2896 sigfillset (&sa.sa_mask);
2883 sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ 2897 sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */
2884 sigaction (w->signum, &sa, 0); 2898 sigaction (w->signum, &sa, 0);
2885 2899
2900 if (origflags & EVFLAG_NOSIGMASK)
2901 {
2886 sigemptyset (&sa.sa_mask); 2902 sigemptyset (&sa.sa_mask);
2887 sigaddset (&sa.sa_mask, w->signum); 2903 sigaddset (&sa.sa_mask, w->signum);
2888 sigprocmask (SIG_UNBLOCK, &sa.sa_mask, 0); 2904 sigprocmask (SIG_UNBLOCK, &sa.sa_mask, 0);
2905 }
2889#endif 2906#endif
2890 } 2907 }
2891 2908
2892 EV_FREQUENT_CHECK; 2909 EV_FREQUENT_CHECK;
2893} 2910}

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