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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 1.366 by root, Mon Jan 10 01:58:54 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
2881 sa.sa_handler = ev_sighandler; 2890 sa.sa_handler = ev_sighandler;
2882 sigfillset (&sa.sa_mask); 2891 sigfillset (&sa.sa_mask);
2883 sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ 2892 sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */
2884 sigaction (w->signum, &sa, 0); 2893 sigaction (w->signum, &sa, 0);
2885 2894
2895 if (origflags & EVFLAG_NOSIGMASK)
2896 {
2886 sigemptyset (&sa.sa_mask); 2897 sigemptyset (&sa.sa_mask);
2887 sigaddset (&sa.sa_mask, w->signum); 2898 sigaddset (&sa.sa_mask, w->signum);
2888 sigprocmask (SIG_UNBLOCK, &sa.sa_mask, 0); 2899 sigprocmask (SIG_UNBLOCK, &sa.sa_mask, 0);
2900 }
2889#endif 2901#endif
2890 } 2902 }
2891 2903
2892 EV_FREQUENT_CHECK; 2904 EV_FREQUENT_CHECK;
2893} 2905}

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