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Comparing libev/ev.c (file contents):
Revision 1.353 by root, Thu Oct 21 12:32:47 2010 UTC vs.
Revision 1.368 by root, Mon Jan 17 12:11:11 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 *
… …
34 * by deleting the provisions above and replace them with the notice 34 * by deleting the provisions above and replace them with the notice
35 * and other provisions required by the GPL. If you do not delete the 35 * and other provisions required by the GPL. If you do not delete the
36 * provisions above, a recipient may use your version of this file under 36 * provisions above, a recipient may use your version of this file under
37 * either the BSD or the GPL. 37 * either the BSD or the GPL.
38 */ 38 */
39
40#ifdef __cplusplus
41extern "C" {
42#endif
43 39
44/* this big block deduces configuration from config.h */ 40/* this big block deduces configuration from config.h */
45#ifndef EV_STANDALONE 41#ifndef EV_STANDALONE
46# ifdef EV_CONFIG_H 42# ifdef EV_CONFIG_H
47# include EV_CONFIG_H 43# include EV_CONFIG_H
… …
182# include EV_H 178# include EV_H
183#else 179#else
184# include "ev.h" 180# include "ev.h"
185#endif 181#endif
186 182
183EV_CPP(extern "C" {)
184
187#ifndef _WIN32 185#ifndef _WIN32
188# include <sys/time.h> 186# include <sys/time.h>
189# include <sys/wait.h> 187# include <sys/wait.h>
190# include <unistd.h> 188# include <unistd.h>
191#else 189#else
… …
384# include <sys/select.h> 382# include <sys/select.h>
385# endif 383# endif
386#endif 384#endif
387 385
388#if EV_USE_INOTIFY 386#if EV_USE_INOTIFY
389# include <sys/utsname.h>
390# include <sys/statfs.h> 387# include <sys/statfs.h>
391# include <sys/inotify.h> 388# include <sys/inotify.h>
392/* 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 */
393# ifndef IN_DONT_FOLLOW 390# ifndef IN_DONT_FOLLOW
394# undef EV_USE_INOTIFY 391# undef EV_USE_INOTIFY
… …
411# define EFD_CLOEXEC O_CLOEXEC 408# define EFD_CLOEXEC O_CLOEXEC
412# else 409# else
413# define EFD_CLOEXEC 02000000 410# define EFD_CLOEXEC 02000000
414# endif 411# endif
415# endif 412# endif
416# ifdef __cplusplus
417extern "C" {
418# endif
419int (eventfd) (unsigned int initval, int flags); 413EV_CPP(extern "C") int (eventfd) (unsigned int initval, int flags);
420# ifdef __cplusplus
421}
422# endif
423#endif 414#endif
424 415
425#if EV_USE_SIGNALFD 416#if EV_USE_SIGNALFD
426/* our minimum requirement is glibc 2.7 which has the stub, but not the header */ 417/* our minimum requirement is glibc 2.7 which has the stub, but not the header */
427# include <stdint.h> 418# include <stdint.h>
… …
433# define SFD_CLOEXEC O_CLOEXEC 424# define SFD_CLOEXEC O_CLOEXEC
434# else 425# else
435# define SFD_CLOEXEC 02000000 426# define SFD_CLOEXEC 02000000
436# endif 427# endif
437# endif 428# endif
438# ifdef __cplusplus
439extern "C" {
440# endif
441int signalfd (int fd, const sigset_t *mask, int flags); 429EV_CPP (extern "C") int signalfd (int fd, const sigset_t *mask, int flags);
442 430
443struct signalfd_siginfo 431struct signalfd_siginfo
444{ 432{
445 uint32_t ssi_signo; 433 uint32_t ssi_signo;
446 char pad[128 - sizeof (uint32_t)]; 434 char pad[128 - sizeof (uint32_t)];
447}; 435};
448# ifdef __cplusplus
449}
450# endif
451#endif 436#endif
452 437
453/**/ 438/**/
454 439
455#if EV_VERIFY >= 3 440#if EV_VERIFY >= 3
… …
537# include "ev_win32.c" 522# include "ev_win32.c"
538#endif 523#endif
539 524
540/*****************************************************************************/ 525/*****************************************************************************/
541 526
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
542#if EV_AVOID_STDIO 569#if EV_AVOID_STDIO
543static void noinline 570static void noinline
544ev_printerr (const char *msg) 571ev_printerr (const char *msg)
545{ 572{
546 write (STDERR_FILENO, msg, strlen (msg)); 573 write (STDERR_FILENO, msg, strlen (msg));
… …
564 if (syserr_cb) 591 if (syserr_cb)
565 syserr_cb (msg); 592 syserr_cb (msg);
566 else 593 else
567 { 594 {
568#if EV_AVOID_STDIO 595#if EV_AVOID_STDIO
569 const char *err = strerror (errno);
570
571 ev_printerr (msg); 596 ev_printerr (msg);
572 ev_printerr (": "); 597 ev_printerr (": ");
573 ev_printerr (err); 598 ev_printerr (strerror (errno));
574 ev_printerr ("\n"); 599 ev_printerr ("\n");
575#else 600#else
576 perror (msg); 601 perror (msg);
577#endif 602#endif
578 abort (); 603 abort ();
… …
612 ptr = alloc (ptr, size); 637 ptr = alloc (ptr, size);
613 638
614 if (!ptr && size) 639 if (!ptr && size)
615 { 640 {
616#if EV_AVOID_STDIO 641#if EV_AVOID_STDIO
617 ev_printerr ("libev: memory allocation failed, aborting.\n"); 642 ev_printerr ("(libev) memory allocation failed, aborting.\n");
618#else 643#else
619 fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); 644 fprintf (stderr, "(libev) cannot allocate %ld bytes, aborting.", size);
620#endif 645#endif
621 abort (); 646 abort ();
622 } 647 }
623 648
624 return ptr; 649 return ptr;
… …
641 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 */
642 unsigned char unused; 667 unsigned char unused;
643#if EV_USE_EPOLL 668#if EV_USE_EPOLL
644 unsigned int egen; /* generation counter to counter epoll bugs */ 669 unsigned int egen; /* generation counter to counter epoll bugs */
645#endif 670#endif
646#if EV_SELECT_IS_WINSOCKET 671#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP
647 SOCKET handle; 672 SOCKET handle;
673#endif
674#if EV_USE_IOCP
675 OVERLAPPED or, ow;
648#endif 676#endif
649} ANFD; 677} ANFD;
650 678
651/* stores the pending event set for a given watcher */ 679/* stores the pending event set for a given watcher */
652typedef struct 680typedef struct
… …
787 select (0, 0, 0, 0, &tv); 815 select (0, 0, 0, 0, &tv);
788#endif 816#endif
789 } 817 }
790} 818}
791 819
820inline_speed int
821ev_timeout_to_ms (ev_tstamp timeout)
822{
823 int ms = timeout * 1000. + .999999;
824
825 return expect_true (ms) ? ms : timeout < 1e-6 ? 0 : 1;
826}
827
792/*****************************************************************************/ 828/*****************************************************************************/
793 829
794#define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */ 830#define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */
795 831
796/* find a suitable new size for the given array, */ 832/* find a suitable new size for the given array, */
… …
948 unsigned char o_events = anfd->events; 984 unsigned char o_events = anfd->events;
949 unsigned char o_reify = anfd->reify; 985 unsigned char o_reify = anfd->reify;
950 986
951 anfd->reify = 0; 987 anfd->reify = 0;
952 988
953#if EV_SELECT_IS_WINSOCKET 989#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP
954 if (o_reify & EV__IOFDSET) 990 if (o_reify & EV__IOFDSET)
955 { 991 {
956 unsigned long arg; 992 unsigned long arg;
957 anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); 993 anfd->handle = EV_FD_TO_WIN32_HANDLE (fd);
958 assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); 994 assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0));
995 printf ("oi %d %x\n", fd, anfd->handle);//D
959 } 996 }
960#endif 997#endif
961 998
962 /*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */ 999 /*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */
963 { 1000 {
… …
1340#endif 1377#endif
1341} 1378}
1342 1379
1343/*****************************************************************************/ 1380/*****************************************************************************/
1344 1381
1382void
1383ev_feed_signal (int signum)
1384{
1385#if EV_MULTIPLICITY
1386 EV_P = signals [signum - 1].loop;
1387
1388 if (!EV_A)
1389 return;
1390#endif
1391
1392 signals [signum - 1].pending = 1;
1393 evpipe_write (EV_A_ &sig_pending);
1394}
1395
1345static void 1396static void
1346ev_sighandler (int signum) 1397ev_sighandler (int signum)
1347{ 1398{
1348#if EV_MULTIPLICITY
1349 EV_P = signals [signum - 1].loop;
1350#endif
1351
1352#ifdef _WIN32 1399#ifdef _WIN32
1353 signal (signum, ev_sighandler); 1400 signal (signum, ev_sighandler);
1354#endif 1401#endif
1355 1402
1356 signals [signum - 1].pending = 1; 1403 ev_feed_signal (signum);
1357 evpipe_write (EV_A_ &sig_pending);
1358} 1404}
1359 1405
1360void noinline 1406void noinline
1361ev_feed_signal_event (EV_P_ int signum) 1407ev_feed_signal_event (EV_P_ int signum)
1362{ 1408{
… …
1462 1508
1463#endif 1509#endif
1464 1510
1465/*****************************************************************************/ 1511/*****************************************************************************/
1466 1512
1513#if EV_USE_IOCP
1514# include "ev_iocp.c"
1515#endif
1467#if EV_USE_PORT 1516#if EV_USE_PORT
1468# include "ev_port.c" 1517# include "ev_port.c"
1469#endif 1518#endif
1470#if EV_USE_KQUEUE 1519#if EV_USE_KQUEUE
1471# include "ev_kqueue.c" 1520# include "ev_kqueue.c"
… …
1544ev_embeddable_backends (void) 1593ev_embeddable_backends (void)
1545{ 1594{
1546 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; 1595 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
1547 1596
1548 /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ 1597 /* epoll embeddability broken on all linux versions up to at least 2.6.23 */
1549 /* please fix it and tell me how to detect the fix */ 1598 if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
1550 flags &= ~EVBACKEND_EPOLL; 1599 flags &= ~EVBACKEND_EPOLL;
1551 1600
1552 return flags; 1601 return flags;
1553} 1602}
1554 1603
1555unsigned int 1604unsigned int
… …
1611static void noinline 1660static void noinline
1612loop_init (EV_P_ unsigned int flags) 1661loop_init (EV_P_ unsigned int flags)
1613{ 1662{
1614 if (!backend) 1663 if (!backend)
1615 { 1664 {
1665 origflags = flags;
1666
1616#if EV_USE_REALTIME 1667#if EV_USE_REALTIME
1617 if (!have_realtime) 1668 if (!have_realtime)
1618 { 1669 {
1619 struct timespec ts; 1670 struct timespec ts;
1620 1671
… …
1665#endif 1716#endif
1666#if EV_USE_SIGNALFD 1717#if EV_USE_SIGNALFD
1667 sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1; 1718 sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;
1668#endif 1719#endif
1669 1720
1670 if (!(flags & 0x0000ffffU)) 1721 if (!(flags & EVBACKEND_MASK))
1671 flags |= ev_recommended_backends (); 1722 flags |= ev_recommended_backends ();
1672 1723
1724#if EV_USE_IOCP
1725 if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags);
1726#endif
1673#if EV_USE_PORT 1727#if EV_USE_PORT
1674 if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); 1728 if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);
1675#endif 1729#endif
1676#if EV_USE_KQUEUE 1730#if EV_USE_KQUEUE
1677 if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); 1731 if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags);
… …
1694#endif 1748#endif
1695 } 1749 }
1696} 1750}
1697 1751
1698/* free up a loop structure */ 1752/* free up a loop structure */
1699static void noinline 1753void
1700loop_destroy (EV_P) 1754ev_loop_destroy (EV_P)
1701{ 1755{
1702 int i; 1756 int i;
1757
1758#if EV_MULTIPLICITY
1759 /* mimic free (0) */
1760 if (!EV_A)
1761 return;
1762#endif
1763
1764#if EV_CLEANUP_ENABLE
1765 /* queue cleanup watchers (and execute them) */
1766 if (expect_false (cleanupcnt))
1767 {
1768 queue_events (EV_A_ (W *)cleanups, cleanupcnt, EV_CLEANUP);
1769 EV_INVOKE_PENDING;
1770 }
1771#endif
1772
1773#if EV_CHILD_ENABLE
1774 if (ev_is_active (&childev))
1775 {
1776 ev_ref (EV_A); /* child watcher */
1777 ev_signal_stop (EV_A_ &childev);
1778 }
1779#endif
1703 1780
1704 if (ev_is_active (&pipe_w)) 1781 if (ev_is_active (&pipe_w))
1705 { 1782 {
1706 /*ev_ref (EV_A);*/ 1783 /*ev_ref (EV_A);*/
1707 /*ev_io_stop (EV_A_ &pipe_w);*/ 1784 /*ev_io_stop (EV_A_ &pipe_w);*/
… …
1729#endif 1806#endif
1730 1807
1731 if (backend_fd >= 0) 1808 if (backend_fd >= 0)
1732 close (backend_fd); 1809 close (backend_fd);
1733 1810
1811#if EV_USE_IOCP
1812 if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A);
1813#endif
1734#if EV_USE_PORT 1814#if EV_USE_PORT
1735 if (backend == EVBACKEND_PORT ) port_destroy (EV_A); 1815 if (backend == EVBACKEND_PORT ) port_destroy (EV_A);
1736#endif 1816#endif
1737#if EV_USE_KQUEUE 1817#if EV_USE_KQUEUE
1738 if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); 1818 if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A);
… …
1765 array_free (periodic, EMPTY); 1845 array_free (periodic, EMPTY);
1766#endif 1846#endif
1767#if EV_FORK_ENABLE 1847#if EV_FORK_ENABLE
1768 array_free (fork, EMPTY); 1848 array_free (fork, EMPTY);
1769#endif 1849#endif
1850#if EV_CLEANUP_ENABLE
1851 array_free (cleanup, EMPTY);
1852#endif
1770 array_free (prepare, EMPTY); 1853 array_free (prepare, EMPTY);
1771 array_free (check, EMPTY); 1854 array_free (check, EMPTY);
1772#if EV_ASYNC_ENABLE 1855#if EV_ASYNC_ENABLE
1773 array_free (async, EMPTY); 1856 array_free (async, EMPTY);
1774#endif 1857#endif
1775 1858
1776 backend = 0; 1859 backend = 0;
1860
1861#if EV_MULTIPLICITY
1862 if (ev_is_default_loop (EV_A))
1863#endif
1864 ev_default_loop_ptr = 0;
1865#if EV_MULTIPLICITY
1866 else
1867 ev_free (EV_A);
1868#endif
1777} 1869}
1778 1870
1779#if EV_USE_INOTIFY 1871#if EV_USE_INOTIFY
1780inline_size void infy_fork (EV_P); 1872inline_size void infy_fork (EV_P);
1781#endif 1873#endif
… …
1840 loop_init (EV_A_ flags); 1932 loop_init (EV_A_ flags);
1841 1933
1842 if (ev_backend (EV_A)) 1934 if (ev_backend (EV_A))
1843 return EV_A; 1935 return EV_A;
1844 1936
1937 ev_free (EV_A);
1845 return 0; 1938 return 0;
1846} 1939}
1847 1940
1848void
1849ev_loop_destroy (EV_P)
1850{
1851 loop_destroy (EV_A);
1852 ev_free (loop);
1853}
1854
1855void
1856ev_loop_fork (EV_P)
1857{
1858 postfork = 1; /* must be in line with ev_default_fork */
1859}
1860#endif /* multiplicity */ 1941#endif /* multiplicity */
1861 1942
1862#if EV_VERIFY 1943#if EV_VERIFY
1863static void noinline 1944static void noinline
1864verify_watcher (EV_P_ W w) 1945verify_watcher (EV_P_ W w)
… …
1939#if EV_FORK_ENABLE 2020#if EV_FORK_ENABLE
1940 assert (forkmax >= forkcnt); 2021 assert (forkmax >= forkcnt);
1941 array_verify (EV_A_ (W *)forks, forkcnt); 2022 array_verify (EV_A_ (W *)forks, forkcnt);
1942#endif 2023#endif
1943 2024
2025#if EV_CLEANUP_ENABLE
2026 assert (cleanupmax >= cleanupcnt);
2027 array_verify (EV_A_ (W *)cleanups, cleanupcnt);
2028#endif
2029
1944#if EV_ASYNC_ENABLE 2030#if EV_ASYNC_ENABLE
1945 assert (asyncmax >= asynccnt); 2031 assert (asyncmax >= asynccnt);
1946 array_verify (EV_A_ (W *)asyncs, asynccnt); 2032 array_verify (EV_A_ (W *)asyncs, asynccnt);
1947#endif 2033#endif
1948 2034
… …
1966} 2052}
1967#endif 2053#endif
1968 2054
1969#if EV_MULTIPLICITY 2055#if EV_MULTIPLICITY
1970struct ev_loop * 2056struct ev_loop *
1971ev_default_loop_init (unsigned int flags)
1972#else 2057#else
1973int 2058int
2059#endif
1974ev_default_loop (unsigned int flags) 2060ev_default_loop (unsigned int flags)
1975#endif
1976{ 2061{
1977 if (!ev_default_loop_ptr) 2062 if (!ev_default_loop_ptr)
1978 { 2063 {
1979#if EV_MULTIPLICITY 2064#if EV_MULTIPLICITY
1980 EV_P = ev_default_loop_ptr = &default_loop_struct; 2065 EV_P = ev_default_loop_ptr = &default_loop_struct;
… …
1999 2084
2000 return ev_default_loop_ptr; 2085 return ev_default_loop_ptr;
2001} 2086}
2002 2087
2003void 2088void
2004ev_default_destroy (void) 2089ev_loop_fork (EV_P)
2005{ 2090{
2006#if EV_MULTIPLICITY
2007 EV_P = ev_default_loop_ptr;
2008#endif
2009
2010 ev_default_loop_ptr = 0;
2011
2012#if EV_CHILD_ENABLE
2013 ev_ref (EV_A); /* child watcher */
2014 ev_signal_stop (EV_A_ &childev);
2015#endif
2016
2017 loop_destroy (EV_A);
2018}
2019
2020void
2021ev_default_fork (void)
2022{
2023#if EV_MULTIPLICITY
2024 EV_P = ev_default_loop_ptr;
2025#endif
2026
2027 postfork = 1; /* must be in line with ev_loop_fork */ 2091 postfork = 1; /* must be in line with ev_default_fork */
2028} 2092}
2029 2093
2030/*****************************************************************************/ 2094/*****************************************************************************/
2031 2095
2032void 2096void
… …
2054 2118
2055 for (pri = NUMPRI; pri--; ) 2119 for (pri = NUMPRI; pri--; )
2056 while (pendingcnt [pri]) 2120 while (pendingcnt [pri])
2057 { 2121 {
2058 ANPENDING *p = pendings [pri] + --pendingcnt [pri]; 2122 ANPENDING *p = pendings [pri] + --pendingcnt [pri];
2059
2060 /*assert (("libev: non-pending watcher on pending list", p->w->pending));*/
2061 /* ^ this is no longer true, as pending_w could be here */
2062 2123
2063 p->w->pending = 0; 2124 p->w->pending = 0;
2064 EV_CB_INVOKE (p->w, p->events); 2125 EV_CB_INVOKE (p->w, p->events);
2065 EV_FREQUENT_CHECK; 2126 EV_FREQUENT_CHECK;
2066 } 2127 }
… …
2834 sa.sa_handler = ev_sighandler; 2895 sa.sa_handler = ev_sighandler;
2835 sigfillset (&sa.sa_mask); 2896 sigfillset (&sa.sa_mask);
2836 sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ 2897 sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */
2837 sigaction (w->signum, &sa, 0); 2898 sigaction (w->signum, &sa, 0);
2838 2899
2900 if (origflags & EVFLAG_NOSIGMASK)
2901 {
2839 sigemptyset (&sa.sa_mask); 2902 sigemptyset (&sa.sa_mask);
2840 sigaddset (&sa.sa_mask, w->signum); 2903 sigaddset (&sa.sa_mask, w->signum);
2841 sigprocmask (SIG_UNBLOCK, &sa.sa_mask, 0); 2904 sigprocmask (SIG_UNBLOCK, &sa.sa_mask, 0);
2905 }
2842#endif 2906#endif
2843 } 2907 }
2844 2908
2845 EV_FREQUENT_CHECK; 2909 EV_FREQUENT_CHECK;
2846} 2910}
… …
3062 { 3126 {
3063 struct inotify_event *ev = (struct inotify_event *)(buf + ofs); 3127 struct inotify_event *ev = (struct inotify_event *)(buf + ofs);
3064 infy_wd (EV_A_ ev->wd, ev->wd, ev); 3128 infy_wd (EV_A_ ev->wd, ev->wd, ev);
3065 ofs += sizeof (struct inotify_event) + ev->len; 3129 ofs += sizeof (struct inotify_event) + ev->len;
3066 } 3130 }
3067}
3068
3069inline_size unsigned int
3070ev_linux_version (void)
3071{
3072 struct utsname buf;
3073 unsigned int v;
3074 int i;
3075 char *p = buf.release;
3076
3077 if (uname (&buf))
3078 return 0;
3079
3080 for (i = 3+1; --i; )
3081 {
3082 unsigned int c = 0;
3083
3084 for (;;)
3085 {
3086 if (*p >= '0' && *p <= '9')
3087 c = c * 10 + *p++ - '0';
3088 else
3089 {
3090 p += *p == '.';
3091 break;
3092 }
3093 }
3094
3095 v = (v << 8) | c;
3096 }
3097
3098 return v;
3099} 3131}
3100 3132
3101inline_size void 3133inline_size void
3102ev_check_2625 (EV_P) 3134ev_check_2625 (EV_P)
3103{ 3135{
… …
3570 3602
3571 EV_FREQUENT_CHECK; 3603 EV_FREQUENT_CHECK;
3572} 3604}
3573#endif 3605#endif
3574 3606
3607#if EV_CLEANUP_ENABLE
3608void
3609ev_cleanup_start (EV_P_ ev_cleanup *w)
3610{
3611 if (expect_false (ev_is_active (w)))
3612 return;
3613
3614 EV_FREQUENT_CHECK;
3615
3616 ev_start (EV_A_ (W)w, ++cleanupcnt);
3617 array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, EMPTY2);
3618 cleanups [cleanupcnt - 1] = w;
3619
3620 /* cleanup watchers should never keep a refcount on the loop */
3621 ev_unref (EV_A);
3622 EV_FREQUENT_CHECK;
3623}
3624
3625void
3626ev_cleanup_stop (EV_P_ ev_cleanup *w)
3627{
3628 clear_pending (EV_A_ (W)w);
3629 if (expect_false (!ev_is_active (w)))
3630 return;
3631
3632 EV_FREQUENT_CHECK;
3633 ev_ref (EV_A);
3634
3635 {
3636 int active = ev_active (w);
3637
3638 cleanups [active - 1] = cleanups [--cleanupcnt];
3639 ev_active (cleanups [active - 1]) = active;
3640 }
3641
3642 ev_stop (EV_A_ (W)w);
3643
3644 EV_FREQUENT_CHECK;
3645}
3646#endif
3647
3575#if EV_ASYNC_ENABLE 3648#if EV_ASYNC_ENABLE
3576void 3649void
3577ev_async_start (EV_P_ ev_async *w) 3650ev_async_start (EV_P_ ev_async *w)
3578{ 3651{
3579 if (expect_false (ev_is_active (w))) 3652 if (expect_false (ev_is_active (w)))
… …
3807 3880
3808#if EV_MULTIPLICITY 3881#if EV_MULTIPLICITY
3809 #include "ev_wrap.h" 3882 #include "ev_wrap.h"
3810#endif 3883#endif
3811 3884
3812#ifdef __cplusplus 3885EV_CPP(})
3813}
3814#endif
3815 3886

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