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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 1.360 by root, Sun Oct 24 18:12:41 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);
… …
1751 array_free (periodic, EMPTY); 1813 array_free (periodic, EMPTY);
1752#endif 1814#endif
1753#if EV_FORK_ENABLE 1815#if EV_FORK_ENABLE
1754 array_free (fork, EMPTY); 1816 array_free (fork, EMPTY);
1755#endif 1817#endif
1818#if EV_CLEANUP_ENABLE
1819 array_free (cleanup, EMPTY);
1820#endif
1756 array_free (prepare, EMPTY); 1821 array_free (prepare, EMPTY);
1757 array_free (check, EMPTY); 1822 array_free (check, EMPTY);
1758#if EV_ASYNC_ENABLE 1823#if EV_ASYNC_ENABLE
1759 array_free (async, EMPTY); 1824 array_free (async, EMPTY);
1760#endif 1825#endif
1761 1826
1762 backend = 0; 1827 backend = 0;
1828
1829#if EV_MULTIPLICITY
1830 if (ev_is_default_loop (EV_A))
1831#endif
1832 ev_default_loop_ptr = 0;
1833#if EV_MULTIPLICITY
1834 else
1835 ev_free (EV_A);
1836#endif
1763} 1837}
1764 1838
1765#if EV_USE_INOTIFY 1839#if EV_USE_INOTIFY
1766inline_size void infy_fork (EV_P); 1840inline_size void infy_fork (EV_P);
1767#endif 1841#endif
… …
1826 loop_init (EV_A_ flags); 1900 loop_init (EV_A_ flags);
1827 1901
1828 if (ev_backend (EV_A)) 1902 if (ev_backend (EV_A))
1829 return EV_A; 1903 return EV_A;
1830 1904
1905 ev_free (EV_A);
1831 return 0; 1906 return 0;
1832} 1907}
1833 1908
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 */ 1909#endif /* multiplicity */
1847 1910
1848#if EV_VERIFY 1911#if EV_VERIFY
1849static void noinline 1912static void noinline
1850verify_watcher (EV_P_ W w) 1913verify_watcher (EV_P_ W w)
… …
1925#if EV_FORK_ENABLE 1988#if EV_FORK_ENABLE
1926 assert (forkmax >= forkcnt); 1989 assert (forkmax >= forkcnt);
1927 array_verify (EV_A_ (W *)forks, forkcnt); 1990 array_verify (EV_A_ (W *)forks, forkcnt);
1928#endif 1991#endif
1929 1992
1993#if EV_CLEANUP_ENABLE
1994 assert (cleanupmax >= cleanupcnt);
1995 array_verify (EV_A_ (W *)cleanups, cleanupcnt);
1996#endif
1997
1930#if EV_ASYNC_ENABLE 1998#if EV_ASYNC_ENABLE
1931 assert (asyncmax >= asynccnt); 1999 assert (asyncmax >= asynccnt);
1932 array_verify (EV_A_ (W *)asyncs, asynccnt); 2000 array_verify (EV_A_ (W *)asyncs, asynccnt);
1933#endif 2001#endif
1934 2002
… …
1952} 2020}
1953#endif 2021#endif
1954 2022
1955#if EV_MULTIPLICITY 2023#if EV_MULTIPLICITY
1956struct ev_loop * 2024struct ev_loop *
1957ev_default_loop_init (unsigned int flags)
1958#else 2025#else
1959int 2026int
2027#endif
1960ev_default_loop (unsigned int flags) 2028ev_default_loop (unsigned int flags)
1961#endif
1962{ 2029{
1963 if (!ev_default_loop_ptr) 2030 if (!ev_default_loop_ptr)
1964 { 2031 {
1965#if EV_MULTIPLICITY 2032#if EV_MULTIPLICITY
1966 EV_P = ev_default_loop_ptr = &default_loop_struct; 2033 EV_P = ev_default_loop_ptr = &default_loop_struct;
… …
1985 2052
1986 return ev_default_loop_ptr; 2053 return ev_default_loop_ptr;
1987} 2054}
1988 2055
1989void 2056void
1990ev_default_destroy (void) 2057ev_loop_fork (EV_P)
1991{ 2058{
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 */ 2059 postfork = 1; /* must be in line with ev_default_fork */
2014} 2060}
2015 2061
2016/*****************************************************************************/ 2062/*****************************************************************************/
2017 2063
2018void 2064void
… …
3048 { 3094 {
3049 struct inotify_event *ev = (struct inotify_event *)(buf + ofs); 3095 struct inotify_event *ev = (struct inotify_event *)(buf + ofs);
3050 infy_wd (EV_A_ ev->wd, ev->wd, ev); 3096 infy_wd (EV_A_ ev->wd, ev->wd, ev);
3051 ofs += sizeof (struct inotify_event) + ev->len; 3097 ofs += sizeof (struct inotify_event) + ev->len;
3052 } 3098 }
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} 3099}
3086 3100
3087inline_size void 3101inline_size void
3088ev_check_2625 (EV_P) 3102ev_check_2625 (EV_P)
3089{ 3103{
… …
3556 3570
3557 EV_FREQUENT_CHECK; 3571 EV_FREQUENT_CHECK;
3558} 3572}
3559#endif 3573#endif
3560 3574
3575#if EV_CLEANUP_ENABLE
3576void
3577ev_cleanup_start (EV_P_ ev_cleanup *w)
3578{
3579 if (expect_false (ev_is_active (w)))
3580 return;
3581
3582 EV_FREQUENT_CHECK;
3583
3584 ev_start (EV_A_ (W)w, ++cleanupcnt);
3585 array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, EMPTY2);
3586 cleanups [cleanupcnt - 1] = w;
3587
3588 EV_FREQUENT_CHECK;
3589}
3590
3591void
3592ev_cleanup_stop (EV_P_ ev_cleanup *w)
3593{
3594 clear_pending (EV_A_ (W)w);
3595 if (expect_false (!ev_is_active (w)))
3596 return;
3597
3598 EV_FREQUENT_CHECK;
3599
3600 {
3601 int active = ev_active (w);
3602
3603 cleanups [active - 1] = cleanups [--cleanupcnt];
3604 ev_active (cleanups [active - 1]) = active;
3605 }
3606
3607 ev_stop (EV_A_ (W)w);
3608
3609 EV_FREQUENT_CHECK;
3610}
3611#endif
3612
3561#if EV_ASYNC_ENABLE 3613#if EV_ASYNC_ENABLE
3562void 3614void
3563ev_async_start (EV_P_ ev_async *w) 3615ev_async_start (EV_P_ ev_async *w)
3564{ 3616{
3565 if (expect_false (ev_is_active (w))) 3617 if (expect_false (ev_is_active (w)))

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