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Comparing libev/ev.c (file contents):
Revision 1.355 by root, Fri Oct 22 10:09:12 2010 UTC vs.
Revision 1.365 by root, Sun Oct 31 22:01:20 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;
… …
588 if (syserr_cb) 591 if (syserr_cb)
589 syserr_cb (msg); 592 syserr_cb (msg);
590 else 593 else
591 { 594 {
592#if EV_AVOID_STDIO 595#if EV_AVOID_STDIO
593 const char *err = strerror (errno);
594
595 ev_printerr (msg); 596 ev_printerr (msg);
596 ev_printerr (": "); 597 ev_printerr (": ");
597 ev_printerr (err); 598 ev_printerr (strerror (errno));
598 ev_printerr ("\n"); 599 ev_printerr ("\n");
599#else 600#else
600 perror (msg); 601 perror (msg);
601#endif 602#endif
602 abort (); 603 abort ();
… …
636 ptr = alloc (ptr, size); 637 ptr = alloc (ptr, size);
637 638
638 if (!ptr && size) 639 if (!ptr && size)
639 { 640 {
640#if EV_AVOID_STDIO 641#if EV_AVOID_STDIO
641 ev_printerr ("libev: memory allocation failed, aborting.\n"); 642 ev_printerr ("(libev) memory allocation failed, aborting.\n");
642#else 643#else
643 fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); 644 fprintf (stderr, "(libev) cannot allocate %ld bytes, aborting.", size);
644#endif 645#endif
645 abort (); 646 abort ();
646 } 647 }
647 648
648 return ptr; 649 return ptr;
… …
665 unsigned char emask; /* the epoll backend stores the actual kernel mask in here */ 666 unsigned char emask; /* the epoll backend stores the actual kernel mask in here */
666 unsigned char unused; 667 unsigned char unused;
667#if EV_USE_EPOLL 668#if EV_USE_EPOLL
668 unsigned int egen; /* generation counter to counter epoll bugs */ 669 unsigned int egen; /* generation counter to counter epoll bugs */
669#endif 670#endif
670#if EV_SELECT_IS_WINSOCKET 671#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP
671 SOCKET handle; 672 SOCKET handle;
673#endif
674#if EV_USE_IOCP
675 OVERLAPPED or, ow;
672#endif 676#endif
673} ANFD; 677} ANFD;
674 678
675/* stores the pending event set for a given watcher */ 679/* stores the pending event set for a given watcher */
676typedef struct 680typedef struct
… …
972 unsigned char o_events = anfd->events; 976 unsigned char o_events = anfd->events;
973 unsigned char o_reify = anfd->reify; 977 unsigned char o_reify = anfd->reify;
974 978
975 anfd->reify = 0; 979 anfd->reify = 0;
976 980
977#if EV_SELECT_IS_WINSOCKET 981#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP
978 if (o_reify & EV__IOFDSET) 982 if (o_reify & EV__IOFDSET)
979 { 983 {
980 unsigned long arg; 984 unsigned long arg;
981 anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); 985 anfd->handle = EV_FD_TO_WIN32_HANDLE (fd);
982 assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); 986 assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0));
987 printf ("oi %d %x\n", fd, anfd->handle);//D
983 } 988 }
984#endif 989#endif
985 990
986 /*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */ 991 /*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */
987 { 992 {
… …
1486 1491
1487#endif 1492#endif
1488 1493
1489/*****************************************************************************/ 1494/*****************************************************************************/
1490 1495
1496#if EV_USE_IOCP
1497# include "ev_iocp.c"
1498#endif
1491#if EV_USE_PORT 1499#if EV_USE_PORT
1492# include "ev_port.c" 1500# include "ev_port.c"
1493#endif 1501#endif
1494#if EV_USE_KQUEUE 1502#if EV_USE_KQUEUE
1495# include "ev_kqueue.c" 1503# include "ev_kqueue.c"
… …
1692#endif 1700#endif
1693 1701
1694 if (!(flags & 0x0000ffffU)) 1702 if (!(flags & 0x0000ffffU))
1695 flags |= ev_recommended_backends (); 1703 flags |= ev_recommended_backends ();
1696 1704
1705#if EV_USE_IOCP
1706 if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags);
1707#endif
1697#if EV_USE_PORT 1708#if EV_USE_PORT
1698 if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); 1709 if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);
1699#endif 1710#endif
1700#if EV_USE_KQUEUE 1711#if EV_USE_KQUEUE
1701 if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); 1712 if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags);
… …
1718#endif 1729#endif
1719 } 1730 }
1720} 1731}
1721 1732
1722/* free up a loop structure */ 1733/* free up a loop structure */
1723static void noinline 1734void
1724loop_destroy (EV_P) 1735ev_loop_destroy (EV_P)
1725{ 1736{
1726 int i; 1737 int i;
1738
1739#if EV_MULTIPLICITY
1740 /* mimic free (0) */
1741 if (!EV_A)
1742 return;
1743#endif
1744
1745#if EV_CLEANUP_ENABLE
1746 /* queue cleanup watchers (and execute them) */
1747 if (expect_false (cleanupcnt))
1748 {
1749 queue_events (EV_A_ (W *)cleanups, cleanupcnt, EV_CLEANUP);
1750 EV_INVOKE_PENDING;
1751 }
1752#endif
1753
1754#if EV_CHILD_ENABLE
1755 if (ev_is_active (&childev))
1756 {
1757 ev_ref (EV_A); /* child watcher */
1758 ev_signal_stop (EV_A_ &childev);
1759 }
1760#endif
1727 1761
1728 if (ev_is_active (&pipe_w)) 1762 if (ev_is_active (&pipe_w))
1729 { 1763 {
1730 /*ev_ref (EV_A);*/ 1764 /*ev_ref (EV_A);*/
1731 /*ev_io_stop (EV_A_ &pipe_w);*/ 1765 /*ev_io_stop (EV_A_ &pipe_w);*/
… …
1753#endif 1787#endif
1754 1788
1755 if (backend_fd >= 0) 1789 if (backend_fd >= 0)
1756 close (backend_fd); 1790 close (backend_fd);
1757 1791
1792#if EV_USE_IOCP
1793 if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A);
1794#endif
1758#if EV_USE_PORT 1795#if EV_USE_PORT
1759 if (backend == EVBACKEND_PORT ) port_destroy (EV_A); 1796 if (backend == EVBACKEND_PORT ) port_destroy (EV_A);
1760#endif 1797#endif
1761#if EV_USE_KQUEUE 1798#if EV_USE_KQUEUE
1762 if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); 1799 if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A);
… …
1789 array_free (periodic, EMPTY); 1826 array_free (periodic, EMPTY);
1790#endif 1827#endif
1791#if EV_FORK_ENABLE 1828#if EV_FORK_ENABLE
1792 array_free (fork, EMPTY); 1829 array_free (fork, EMPTY);
1793#endif 1830#endif
1831#if EV_CLEANUP_ENABLE
1832 array_free (cleanup, EMPTY);
1833#endif
1794 array_free (prepare, EMPTY); 1834 array_free (prepare, EMPTY);
1795 array_free (check, EMPTY); 1835 array_free (check, EMPTY);
1796#if EV_ASYNC_ENABLE 1836#if EV_ASYNC_ENABLE
1797 array_free (async, EMPTY); 1837 array_free (async, EMPTY);
1798#endif 1838#endif
1799 1839
1800 backend = 0; 1840 backend = 0;
1841
1842#if EV_MULTIPLICITY
1843 if (ev_is_default_loop (EV_A))
1844#endif
1845 ev_default_loop_ptr = 0;
1846#if EV_MULTIPLICITY
1847 else
1848 ev_free (EV_A);
1849#endif
1801} 1850}
1802 1851
1803#if EV_USE_INOTIFY 1852#if EV_USE_INOTIFY
1804inline_size void infy_fork (EV_P); 1853inline_size void infy_fork (EV_P);
1805#endif 1854#endif
… …
1864 loop_init (EV_A_ flags); 1913 loop_init (EV_A_ flags);
1865 1914
1866 if (ev_backend (EV_A)) 1915 if (ev_backend (EV_A))
1867 return EV_A; 1916 return EV_A;
1868 1917
1918 ev_free (EV_A);
1869 return 0; 1919 return 0;
1870} 1920}
1871 1921
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 */ 1922#endif /* multiplicity */
1885 1923
1886#if EV_VERIFY 1924#if EV_VERIFY
1887static void noinline 1925static void noinline
1888verify_watcher (EV_P_ W w) 1926verify_watcher (EV_P_ W w)
… …
1963#if EV_FORK_ENABLE 2001#if EV_FORK_ENABLE
1964 assert (forkmax >= forkcnt); 2002 assert (forkmax >= forkcnt);
1965 array_verify (EV_A_ (W *)forks, forkcnt); 2003 array_verify (EV_A_ (W *)forks, forkcnt);
1966#endif 2004#endif
1967 2005
2006#if EV_CLEANUP_ENABLE
2007 assert (cleanupmax >= cleanupcnt);
2008 array_verify (EV_A_ (W *)cleanups, cleanupcnt);
2009#endif
2010
1968#if EV_ASYNC_ENABLE 2011#if EV_ASYNC_ENABLE
1969 assert (asyncmax >= asynccnt); 2012 assert (asyncmax >= asynccnt);
1970 array_verify (EV_A_ (W *)asyncs, asynccnt); 2013 array_verify (EV_A_ (W *)asyncs, asynccnt);
1971#endif 2014#endif
1972 2015
… …
1990} 2033}
1991#endif 2034#endif
1992 2035
1993#if EV_MULTIPLICITY 2036#if EV_MULTIPLICITY
1994struct ev_loop * 2037struct ev_loop *
1995ev_default_loop_init (unsigned int flags)
1996#else 2038#else
1997int 2039int
2040#endif
1998ev_default_loop (unsigned int flags) 2041ev_default_loop (unsigned int flags)
1999#endif
2000{ 2042{
2001 if (!ev_default_loop_ptr) 2043 if (!ev_default_loop_ptr)
2002 { 2044 {
2003#if EV_MULTIPLICITY 2045#if EV_MULTIPLICITY
2004 EV_P = ev_default_loop_ptr = &default_loop_struct; 2046 EV_P = ev_default_loop_ptr = &default_loop_struct;
… …
2023 2065
2024 return ev_default_loop_ptr; 2066 return ev_default_loop_ptr;
2025} 2067}
2026 2068
2027void 2069void
2028ev_default_destroy (void) 2070ev_loop_fork (EV_P)
2029{ 2071{
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 */ 2072 postfork = 1; /* must be in line with ev_default_fork */
2052} 2073}
2053 2074
2054/*****************************************************************************/ 2075/*****************************************************************************/
2055 2076
2056void 2077void
… …
3562 3583
3563 EV_FREQUENT_CHECK; 3584 EV_FREQUENT_CHECK;
3564} 3585}
3565#endif 3586#endif
3566 3587
3588#if EV_CLEANUP_ENABLE
3589void
3590ev_cleanup_start (EV_P_ ev_cleanup *w)
3591{
3592 if (expect_false (ev_is_active (w)))
3593 return;
3594
3595 EV_FREQUENT_CHECK;
3596
3597 ev_start (EV_A_ (W)w, ++cleanupcnt);
3598 array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, EMPTY2);
3599 cleanups [cleanupcnt - 1] = w;
3600
3601 /* cleanup watchers should never keep a refcount on the loop */
3602 ev_unref (EV_A);
3603 EV_FREQUENT_CHECK;
3604}
3605
3606void
3607ev_cleanup_stop (EV_P_ ev_cleanup *w)
3608{
3609 clear_pending (EV_A_ (W)w);
3610 if (expect_false (!ev_is_active (w)))
3611 return;
3612
3613 EV_FREQUENT_CHECK;
3614 ev_ref (EV_A);
3615
3616 {
3617 int active = ev_active (w);
3618
3619 cleanups [active - 1] = cleanups [--cleanupcnt];
3620 ev_active (cleanups [active - 1]) = active;
3621 }
3622
3623 ev_stop (EV_A_ (W)w);
3624
3625 EV_FREQUENT_CHECK;
3626}
3627#endif
3628
3567#if EV_ASYNC_ENABLE 3629#if EV_ASYNC_ENABLE
3568void 3630void
3569ev_async_start (EV_P_ ev_async *w) 3631ev_async_start (EV_P_ ev_async *w)
3570{ 3632{
3571 if (expect_false (ev_is_active (w))) 3633 if (expect_false (ev_is_active (w)))

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