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Comparing libev/ev.c (file contents):
Revision 1.354 by root, Fri Oct 22 09:24:11 2010 UTC vs.
Revision 1.359 by root, Sun Oct 24 17:58:41 2010 UTC

… …
382# include <sys/select.h> 382# include <sys/select.h>
383# endif 383# endif
384#endif 384#endif
385 385
386#if EV_USE_INOTIFY 386#if EV_USE_INOTIFY
387# include <sys/utsname.h>
388# include <sys/statfs.h> 387# include <sys/statfs.h>
389# include <sys/inotify.h> 388# include <sys/inotify.h>
390/* some very old inotify.h headers don't have IN_DONT_FOLLOW */ 389/* some very old inotify.h headers don't have IN_DONT_FOLLOW */
391# ifndef IN_DONT_FOLLOW 390# ifndef IN_DONT_FOLLOW
392# undef EV_USE_INOTIFY 391# undef EV_USE_INOTIFY
… …
523# include "ev_win32.c" 522# include "ev_win32.c"
524#endif 523#endif
525 524
526/*****************************************************************************/ 525/*****************************************************************************/
527 526
527#ifdef __linux
528# include <sys/utsname.h>
529#endif
530
531static unsigned int noinline
532ev_linux_version (void)
533{
534#ifdef __linux
535 unsigned int v = 0;
536 struct utsname buf;
537 int i;
538 char *p = buf.release;
539
540 if (uname (&buf))
541 return 0;
542
543 for (i = 3+1; --i; )
544 {
545 unsigned int c = 0;
546
547 for (;;)
548 {
549 if (*p >= '0' && *p <= '9')
550 c = c * 10 + *p++ - '0';
551 else
552 {
553 p += *p == '.';
554 break;
555 }
556 }
557
558 v = (v << 8) | c;
559 }
560
561 return v;
562#else
563 return 0;
564#endif
565}
566
567/*****************************************************************************/
568
528#if EV_AVOID_STDIO 569#if EV_AVOID_STDIO
529static void noinline 570static void noinline
530ev_printerr (const char *msg) 571ev_printerr (const char *msg)
531{ 572{
532 write (STDERR_FILENO, msg, strlen (msg)); 573 write (STDERR_FILENO, msg, strlen (msg));
… …
627 unsigned char emask; /* the epoll backend stores the actual kernel mask in here */ 668 unsigned char emask; /* the epoll backend stores the actual kernel mask in here */
628 unsigned char unused; 669 unsigned char unused;
629#if EV_USE_EPOLL 670#if EV_USE_EPOLL
630 unsigned int egen; /* generation counter to counter epoll bugs */ 671 unsigned int egen; /* generation counter to counter epoll bugs */
631#endif 672#endif
632#if EV_SELECT_IS_WINSOCKET 673#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP
633 SOCKET handle; 674 SOCKET handle;
675#endif
676#if EV_USE_IOCP
677 OVERLAPPED or, ow;
634#endif 678#endif
635} ANFD; 679} ANFD;
636 680
637/* stores the pending event set for a given watcher */ 681/* stores the pending event set for a given watcher */
638typedef struct 682typedef struct
… …
934 unsigned char o_events = anfd->events; 978 unsigned char o_events = anfd->events;
935 unsigned char o_reify = anfd->reify; 979 unsigned char o_reify = anfd->reify;
936 980
937 anfd->reify = 0; 981 anfd->reify = 0;
938 982
939#if EV_SELECT_IS_WINSOCKET 983#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP
940 if (o_reify & EV__IOFDSET) 984 if (o_reify & EV__IOFDSET)
941 { 985 {
942 unsigned long arg; 986 unsigned long arg;
943 anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); 987 anfd->handle = EV_FD_TO_WIN32_HANDLE (fd);
944 assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); 988 assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0));
989 printf ("oi %d %x\n", fd, anfd->handle);//D
945 } 990 }
946#endif 991#endif
947 992
948 /*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */ 993 /*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */
949 { 994 {
… …
1448 1493
1449#endif 1494#endif
1450 1495
1451/*****************************************************************************/ 1496/*****************************************************************************/
1452 1497
1498#if EV_USE_IOCP
1499# include "ev_iocp.c"
1500#endif
1453#if EV_USE_PORT 1501#if EV_USE_PORT
1454# include "ev_port.c" 1502# include "ev_port.c"
1455#endif 1503#endif
1456#if EV_USE_KQUEUE 1504#if EV_USE_KQUEUE
1457# include "ev_kqueue.c" 1505# include "ev_kqueue.c"
… …
1530ev_embeddable_backends (void) 1578ev_embeddable_backends (void)
1531{ 1579{
1532 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; 1580 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
1533 1581
1534 /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ 1582 /* epoll embeddability broken on all linux versions up to at least 2.6.23 */
1535 /* please fix it and tell me how to detect the fix */ 1583 if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
1536 flags &= ~EVBACKEND_EPOLL; 1584 flags &= ~EVBACKEND_EPOLL;
1537 1585
1538 return flags; 1586 return flags;
1539} 1587}
1540 1588
1541unsigned int 1589unsigned int
… …
1654#endif 1702#endif
1655 1703
1656 if (!(flags & 0x0000ffffU)) 1704 if (!(flags & 0x0000ffffU))
1657 flags |= ev_recommended_backends (); 1705 flags |= ev_recommended_backends ();
1658 1706
1707#if EV_USE_IOCP
1708 if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags);
1709#endif
1659#if EV_USE_PORT 1710#if EV_USE_PORT
1660 if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); 1711 if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);
1661#endif 1712#endif
1662#if EV_USE_KQUEUE 1713#if EV_USE_KQUEUE
1663 if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); 1714 if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags);
… …
1680#endif 1731#endif
1681 } 1732 }
1682} 1733}
1683 1734
1684/* free up a loop structure */ 1735/* free up a loop structure */
1685static void noinline 1736void
1686loop_destroy (EV_P) 1737ev_loop_destroy (EV_P)
1687{ 1738{
1688 int i; 1739 int i;
1740
1741#if EV_CHILD_ENABLE
1742 if (ev_is_active (&childev))
1743 {
1744 ev_ref (EV_A); /* child watcher */
1745 ev_signal_stop (EV_A_ &childev);
1746 }
1747#endif
1689 1748
1690 if (ev_is_active (&pipe_w)) 1749 if (ev_is_active (&pipe_w))
1691 { 1750 {
1692 /*ev_ref (EV_A);*/ 1751 /*ev_ref (EV_A);*/
1693 /*ev_io_stop (EV_A_ &pipe_w);*/ 1752 /*ev_io_stop (EV_A_ &pipe_w);*/
… …
1715#endif 1774#endif
1716 1775
1717 if (backend_fd >= 0) 1776 if (backend_fd >= 0)
1718 close (backend_fd); 1777 close (backend_fd);
1719 1778
1779#if EV_USE_IOCP
1780 if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A);
1781#endif
1720#if EV_USE_PORT 1782#if EV_USE_PORT
1721 if (backend == EVBACKEND_PORT ) port_destroy (EV_A); 1783 if (backend == EVBACKEND_PORT ) port_destroy (EV_A);
1722#endif 1784#endif
1723#if EV_USE_KQUEUE 1785#if EV_USE_KQUEUE
1724 if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); 1786 if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A);
… …
1758#if EV_ASYNC_ENABLE 1820#if EV_ASYNC_ENABLE
1759 array_free (async, EMPTY); 1821 array_free (async, EMPTY);
1760#endif 1822#endif
1761 1823
1762 backend = 0; 1824 backend = 0;
1825
1826#if EV_MULTIPLICITY
1827 if (ev_is_default_loop (EV_A))
1828#endif
1829 ev_default_loop_ptr = 0;
1830#if EV_MULTIPLICITY
1831 else
1832 ev_free (EV_A);
1833#endif
1763} 1834}
1764 1835
1765#if EV_USE_INOTIFY 1836#if EV_USE_INOTIFY
1766inline_size void infy_fork (EV_P); 1837inline_size void infy_fork (EV_P);
1767#endif 1838#endif
… …
1826 loop_init (EV_A_ flags); 1897 loop_init (EV_A_ flags);
1827 1898
1828 if (ev_backend (EV_A)) 1899 if (ev_backend (EV_A))
1829 return EV_A; 1900 return EV_A;
1830 1901
1902 ev_free (EV_A);
1831 return 0; 1903 return 0;
1832} 1904}
1833 1905
1834void
1835ev_loop_destroy (EV_P)
1836{
1837 loop_destroy (EV_A);
1838 ev_free (loop);
1839}
1840
1841void
1842ev_loop_fork (EV_P)
1843{
1844 postfork = 1; /* must be in line with ev_default_fork */
1845}
1846#endif /* multiplicity */ 1906#endif /* multiplicity */
1847 1907
1848#if EV_VERIFY 1908#if EV_VERIFY
1849static void noinline 1909static void noinline
1850verify_watcher (EV_P_ W w) 1910verify_watcher (EV_P_ W w)
… …
1952} 2012}
1953#endif 2013#endif
1954 2014
1955#if EV_MULTIPLICITY 2015#if EV_MULTIPLICITY
1956struct ev_loop * 2016struct ev_loop *
1957ev_default_loop_init (unsigned int flags)
1958#else 2017#else
1959int 2018int
2019#endif
1960ev_default_loop (unsigned int flags) 2020ev_default_loop (unsigned int flags)
1961#endif
1962{ 2021{
1963 if (!ev_default_loop_ptr) 2022 if (!ev_default_loop_ptr)
1964 { 2023 {
1965#if EV_MULTIPLICITY 2024#if EV_MULTIPLICITY
1966 EV_P = ev_default_loop_ptr = &default_loop_struct; 2025 EV_P = ev_default_loop_ptr = &default_loop_struct;
… …
1985 2044
1986 return ev_default_loop_ptr; 2045 return ev_default_loop_ptr;
1987} 2046}
1988 2047
1989void 2048void
1990ev_default_destroy (void) 2049ev_loop_fork (EV_P)
1991{ 2050{
1992#if EV_MULTIPLICITY
1993 EV_P = ev_default_loop_ptr;
1994#endif
1995
1996 ev_default_loop_ptr = 0;
1997
1998#if EV_CHILD_ENABLE
1999 ev_ref (EV_A); /* child watcher */
2000 ev_signal_stop (EV_A_ &childev);
2001#endif
2002
2003 loop_destroy (EV_A);
2004}
2005
2006void
2007ev_default_fork (void)
2008{
2009#if EV_MULTIPLICITY
2010 EV_P = ev_default_loop_ptr;
2011#endif
2012
2013 postfork = 1; /* must be in line with ev_loop_fork */ 2051 postfork = 1; /* must be in line with ev_default_fork */
2014} 2052}
2015 2053
2016/*****************************************************************************/ 2054/*****************************************************************************/
2017 2055
2018void 2056void
… …
3048 { 3086 {
3049 struct inotify_event *ev = (struct inotify_event *)(buf + ofs); 3087 struct inotify_event *ev = (struct inotify_event *)(buf + ofs);
3050 infy_wd (EV_A_ ev->wd, ev->wd, ev); 3088 infy_wd (EV_A_ ev->wd, ev->wd, ev);
3051 ofs += sizeof (struct inotify_event) + ev->len; 3089 ofs += sizeof (struct inotify_event) + ev->len;
3052 } 3090 }
3053}
3054
3055inline_size unsigned int
3056ev_linux_version (void)
3057{
3058 struct utsname buf;
3059 unsigned int v;
3060 int i;
3061 char *p = buf.release;
3062
3063 if (uname (&buf))
3064 return 0;
3065
3066 for (i = 3+1; --i; )
3067 {
3068 unsigned int c = 0;
3069
3070 for (;;)
3071 {
3072 if (*p >= '0' && *p <= '9')
3073 c = c * 10 + *p++ - '0';
3074 else
3075 {
3076 p += *p == '.';
3077 break;
3078 }
3079 }
3080
3081 v = (v << 8) | c;
3082 }
3083
3084 return v;
3085} 3091}
3086 3092
3087inline_size void 3093inline_size void
3088ev_check_2625 (EV_P) 3094ev_check_2625 (EV_P)
3089{ 3095{

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