ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/libev/ev.c
(Generate patch)

Comparing libev/ev.c (file contents):
Revision 1.355 by root, Fri Oct 22 10:09:12 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
528static unsigned int noinline 531static unsigned int noinline
529ev_linux_version (void) 532ev_linux_version (void)
530{ 533{
531#ifdef __linux 534#ifdef __linux
535 unsigned int v = 0;
532 struct utsname buf; 536 struct utsname buf;
533 unsigned int v;
534 int i; 537 int i;
535 char *p = buf.release; 538 char *p = buf.release;
536 539
537 if (uname (&buf)) 540 if (uname (&buf))
538 return 0; 541 return 0;
… …
665 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 */
666 unsigned char unused; 669 unsigned char unused;
667#if EV_USE_EPOLL 670#if EV_USE_EPOLL
668 unsigned int egen; /* generation counter to counter epoll bugs */ 671 unsigned int egen; /* generation counter to counter epoll bugs */
669#endif 672#endif
670#if EV_SELECT_IS_WINSOCKET 673#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP
671 SOCKET handle; 674 SOCKET handle;
675#endif
676#if EV_USE_IOCP
677 OVERLAPPED or, ow;
672#endif 678#endif
673} ANFD; 679} ANFD;
674 680
675/* stores the pending event set for a given watcher */ 681/* stores the pending event set for a given watcher */
676typedef struct 682typedef struct
… …
972 unsigned char o_events = anfd->events; 978 unsigned char o_events = anfd->events;
973 unsigned char o_reify = anfd->reify; 979 unsigned char o_reify = anfd->reify;
974 980
975 anfd->reify = 0; 981 anfd->reify = 0;
976 982
977#if EV_SELECT_IS_WINSOCKET 983#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP
978 if (o_reify & EV__IOFDSET) 984 if (o_reify & EV__IOFDSET)
979 { 985 {
980 unsigned long arg; 986 unsigned long arg;
981 anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); 987 anfd->handle = EV_FD_TO_WIN32_HANDLE (fd);
982 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
983 } 990 }
984#endif 991#endif
985 992
986 /*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */ 993 /*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */
987 { 994 {
… …
1486 1493
1487#endif 1494#endif
1488 1495
1489/*****************************************************************************/ 1496/*****************************************************************************/
1490 1497
1498#if EV_USE_IOCP
1499# include "ev_iocp.c"
1500#endif
1491#if EV_USE_PORT 1501#if EV_USE_PORT
1492# include "ev_port.c" 1502# include "ev_port.c"
1493#endif 1503#endif
1494#if EV_USE_KQUEUE 1504#if EV_USE_KQUEUE
1495# include "ev_kqueue.c" 1505# include "ev_kqueue.c"
… …
1692#endif 1702#endif
1693 1703
1694 if (!(flags & 0x0000ffffU)) 1704 if (!(flags & 0x0000ffffU))
1695 flags |= ev_recommended_backends (); 1705 flags |= ev_recommended_backends ();
1696 1706
1707#if EV_USE_IOCP
1708 if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags);
1709#endif
1697#if EV_USE_PORT 1710#if EV_USE_PORT
1698 if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); 1711 if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);
1699#endif 1712#endif
1700#if EV_USE_KQUEUE 1713#if EV_USE_KQUEUE
1701 if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); 1714 if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags);
… …
1718#endif 1731#endif
1719 } 1732 }
1720} 1733}
1721 1734
1722/* free up a loop structure */ 1735/* free up a loop structure */
1723static void noinline 1736void
1724loop_destroy (EV_P) 1737ev_loop_destroy (EV_P)
1725{ 1738{
1726 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
1727 1748
1728 if (ev_is_active (&pipe_w)) 1749 if (ev_is_active (&pipe_w))
1729 { 1750 {
1730 /*ev_ref (EV_A);*/ 1751 /*ev_ref (EV_A);*/
1731 /*ev_io_stop (EV_A_ &pipe_w);*/ 1752 /*ev_io_stop (EV_A_ &pipe_w);*/
… …
1753#endif 1774#endif
1754 1775
1755 if (backend_fd >= 0) 1776 if (backend_fd >= 0)
1756 close (backend_fd); 1777 close (backend_fd);
1757 1778
1779#if EV_USE_IOCP
1780 if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A);
1781#endif
1758#if EV_USE_PORT 1782#if EV_USE_PORT
1759 if (backend == EVBACKEND_PORT ) port_destroy (EV_A); 1783 if (backend == EVBACKEND_PORT ) port_destroy (EV_A);
1760#endif 1784#endif
1761#if EV_USE_KQUEUE 1785#if EV_USE_KQUEUE
1762 if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); 1786 if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A);
… …
1789 array_free (periodic, EMPTY); 1813 array_free (periodic, EMPTY);
1790#endif 1814#endif
1791#if EV_FORK_ENABLE 1815#if EV_FORK_ENABLE
1792 array_free (fork, EMPTY); 1816 array_free (fork, EMPTY);
1793#endif 1817#endif
1818#if EV_CLEANUP_ENABLE
1819 array_free (cleanup, EMPTY);
1820#endif
1794 array_free (prepare, EMPTY); 1821 array_free (prepare, EMPTY);
1795 array_free (check, EMPTY); 1822 array_free (check, EMPTY);
1796#if EV_ASYNC_ENABLE 1823#if EV_ASYNC_ENABLE
1797 array_free (async, EMPTY); 1824 array_free (async, EMPTY);
1798#endif 1825#endif
1799 1826
1800 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
1801} 1837}
1802 1838
1803#if EV_USE_INOTIFY 1839#if EV_USE_INOTIFY
1804inline_size void infy_fork (EV_P); 1840inline_size void infy_fork (EV_P);
1805#endif 1841#endif
… …
1864 loop_init (EV_A_ flags); 1900 loop_init (EV_A_ flags);
1865 1901
1866 if (ev_backend (EV_A)) 1902 if (ev_backend (EV_A))
1867 return EV_A; 1903 return EV_A;
1868 1904
1905 ev_free (EV_A);
1869 return 0; 1906 return 0;
1870} 1907}
1871 1908
1872void
1873ev_loop_destroy (EV_P)
1874{
1875 loop_destroy (EV_A);
1876 ev_free (loop);
1877}
1878
1879void
1880ev_loop_fork (EV_P)
1881{
1882 postfork = 1; /* must be in line with ev_default_fork */
1883}
1884#endif /* multiplicity */ 1909#endif /* multiplicity */
1885 1910
1886#if EV_VERIFY 1911#if EV_VERIFY
1887static void noinline 1912static void noinline
1888verify_watcher (EV_P_ W w) 1913verify_watcher (EV_P_ W w)
… …
1963#if EV_FORK_ENABLE 1988#if EV_FORK_ENABLE
1964 assert (forkmax >= forkcnt); 1989 assert (forkmax >= forkcnt);
1965 array_verify (EV_A_ (W *)forks, forkcnt); 1990 array_verify (EV_A_ (W *)forks, forkcnt);
1966#endif 1991#endif
1967 1992
1993#if EV_CLEANUP_ENABLE
1994 assert (cleanupmax >= cleanupcnt);
1995 array_verify (EV_A_ (W *)cleanups, cleanupcnt);
1996#endif
1997
1968#if EV_ASYNC_ENABLE 1998#if EV_ASYNC_ENABLE
1969 assert (asyncmax >= asynccnt); 1999 assert (asyncmax >= asynccnt);
1970 array_verify (EV_A_ (W *)asyncs, asynccnt); 2000 array_verify (EV_A_ (W *)asyncs, asynccnt);
1971#endif 2001#endif
1972 2002
… …
1990} 2020}
1991#endif 2021#endif
1992 2022
1993#if EV_MULTIPLICITY 2023#if EV_MULTIPLICITY
1994struct ev_loop * 2024struct ev_loop *
1995ev_default_loop_init (unsigned int flags)
1996#else 2025#else
1997int 2026int
2027#endif
1998ev_default_loop (unsigned int flags) 2028ev_default_loop (unsigned int flags)
1999#endif
2000{ 2029{
2001 if (!ev_default_loop_ptr) 2030 if (!ev_default_loop_ptr)
2002 { 2031 {
2003#if EV_MULTIPLICITY 2032#if EV_MULTIPLICITY
2004 EV_P = ev_default_loop_ptr = &default_loop_struct; 2033 EV_P = ev_default_loop_ptr = &default_loop_struct;
… …
2023 2052
2024 return ev_default_loop_ptr; 2053 return ev_default_loop_ptr;
2025} 2054}
2026 2055
2027void 2056void
2028ev_default_destroy (void) 2057ev_loop_fork (EV_P)
2029{ 2058{
2030#if EV_MULTIPLICITY
2031 EV_P = ev_default_loop_ptr;
2032#endif
2033
2034 ev_default_loop_ptr = 0;
2035
2036#if EV_CHILD_ENABLE
2037 ev_ref (EV_A); /* child watcher */
2038 ev_signal_stop (EV_A_ &childev);
2039#endif
2040
2041 loop_destroy (EV_A);
2042}
2043
2044void
2045ev_default_fork (void)
2046{
2047#if EV_MULTIPLICITY
2048 EV_P = ev_default_loop_ptr;
2049#endif
2050
2051 postfork = 1; /* must be in line with ev_loop_fork */ 2059 postfork = 1; /* must be in line with ev_default_fork */
2052} 2060}
2053 2061
2054/*****************************************************************************/ 2062/*****************************************************************************/
2055 2063
2056void 2064void
… …
3562 3570
3563 EV_FREQUENT_CHECK; 3571 EV_FREQUENT_CHECK;
3564} 3572}
3565#endif 3573#endif
3566 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
3567#if EV_ASYNC_ENABLE 3613#if EV_ASYNC_ENABLE
3568void 3614void
3569ev_async_start (EV_P_ ev_async *w) 3615ev_async_start (EV_P_ ev_async *w)
3570{ 3616{
3571 if (expect_false (ev_is_active (w))) 3617 if (expect_false (ev_is_active (w)))

Diff Legend

– Removed lines
+ Added lines
< Changed lines
> Changed lines