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Comparing libev/ev.c (file contents):
Revision 1.349 by sf-exg, Fri Oct 15 22:59:59 2010 UTC vs.
Revision 1.361 by root, Sun Oct 24 19:01:01 2010 UTC

… …
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 39
40#ifdef __cplusplus
41extern "C" {
42#endif
43
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
48# else 44# else
… …
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));
… …
641 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 */
642 unsigned char unused; 669 unsigned char unused;
643#if EV_USE_EPOLL 670#if EV_USE_EPOLL
644 unsigned int egen; /* generation counter to counter epoll bugs */ 671 unsigned int egen; /* generation counter to counter epoll bugs */
645#endif 672#endif
646#if EV_SELECT_IS_WINSOCKET 673#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP
647 SOCKET handle; 674 SOCKET handle;
675#endif
676#if EV_USE_IOCP
677 OVERLAPPED or, ow;
648#endif 678#endif
649} ANFD; 679} ANFD;
650 680
651/* stores the pending event set for a given watcher */ 681/* stores the pending event set for a given watcher */
652typedef struct 682typedef struct
… …
717# define EV_RELEASE_CB (void)0 747# define EV_RELEASE_CB (void)0
718# define EV_ACQUIRE_CB (void)0 748# define EV_ACQUIRE_CB (void)0
719# define EV_INVOKE_PENDING ev_invoke_pending (EV_A) 749# define EV_INVOKE_PENDING ev_invoke_pending (EV_A)
720#endif 750#endif
721 751
722#define EVUNLOOP_RECURSE 0x80 752#define EVBREAK_RECURSE 0x80
723 753
724/*****************************************************************************/ 754/*****************************************************************************/
725 755
726#ifndef EV_HAVE_EV_TIME 756#ifndef EV_HAVE_EV_TIME
727ev_tstamp 757ev_tstamp
… …
943 { 973 {
944 int fd = fdchanges [i]; 974 int fd = fdchanges [i];
945 ANFD *anfd = anfds + fd; 975 ANFD *anfd = anfds + fd;
946 ev_io *w; 976 ev_io *w;
947 977
948 unsigned char events = 0; 978 unsigned char o_events = anfd->events;
979 unsigned char o_reify = anfd->reify;
949 980
950 for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) 981 anfd->reify = 0;
951 events |= (unsigned char)w->events;
952 982
953#if EV_SELECT_IS_WINSOCKET 983#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP
954 if (events) 984 if (o_reify & EV__IOFDSET)
955 { 985 {
956 unsigned long arg; 986 unsigned long arg;
957 anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); 987 anfd->handle = EV_FD_TO_WIN32_HANDLE (fd);
958 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
959 } 990 }
960#endif 991#endif
961 992
993 /*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */
962 { 994 {
963 unsigned char o_events = anfd->events;
964 unsigned char o_reify = anfd->reify;
965
966 anfd->reify = 0;
967 anfd->events = events; 995 anfd->events = 0;
968 996
969 if (o_events != events || o_reify & EV__IOFDSET) 997 for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next)
998 anfd->events |= (unsigned char)w->events;
999
1000 if (o_events != anfd->events)
1001 o_reify = EV__IOFDSET; /* actually |= */
1002 }
1003
1004 if (o_reify & EV__IOFDSET)
970 backend_modify (EV_A_ fd, o_events, events); 1005 backend_modify (EV_A_ fd, o_events, anfd->events);
971 }
972 } 1006 }
973 1007
974 fdchangecnt = 0; 1008 fdchangecnt = 0;
975} 1009}
976 1010
… …
1459 1493
1460#endif 1494#endif
1461 1495
1462/*****************************************************************************/ 1496/*****************************************************************************/
1463 1497
1498#if EV_USE_IOCP
1499# include "ev_iocp.c"
1500#endif
1464#if EV_USE_PORT 1501#if EV_USE_PORT
1465# include "ev_port.c" 1502# include "ev_port.c"
1466#endif 1503#endif
1467#if EV_USE_KQUEUE 1504#if EV_USE_KQUEUE
1468# include "ev_kqueue.c" 1505# include "ev_kqueue.c"
… …
1541ev_embeddable_backends (void) 1578ev_embeddable_backends (void)
1542{ 1579{
1543 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; 1580 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
1544 1581
1545 /* 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 */
1546 /* please fix it and tell me how to detect the fix */ 1583 if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
1547 flags &= ~EVBACKEND_EPOLL; 1584 flags &= ~EVBACKEND_EPOLL;
1548 1585
1549 return flags; 1586 return flags;
1550} 1587}
1551 1588
1552unsigned int 1589unsigned int
… …
1665#endif 1702#endif
1666 1703
1667 if (!(flags & 0x0000ffffU)) 1704 if (!(flags & 0x0000ffffU))
1668 flags |= ev_recommended_backends (); 1705 flags |= ev_recommended_backends ();
1669 1706
1707#if EV_USE_IOCP
1708 if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags);
1709#endif
1670#if EV_USE_PORT 1710#if EV_USE_PORT
1671 if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); 1711 if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);
1672#endif 1712#endif
1673#if EV_USE_KQUEUE 1713#if EV_USE_KQUEUE
1674 if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); 1714 if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags);
… …
1691#endif 1731#endif
1692 } 1732 }
1693} 1733}
1694 1734
1695/* free up a loop structure */ 1735/* free up a loop structure */
1696static void noinline 1736void
1697loop_destroy (EV_P) 1737ev_loop_destroy (EV_P)
1698{ 1738{
1699 int i; 1739 int i;
1740
1741#if EV_CLEANUP_ENABLE
1742 /* queue cleanup watchers (and execute them) */
1743 if (expect_false (cleanupcnt))
1744 {
1745 queue_events (EV_A_ (W *)cleanups, cleanupcnt, EV_CLEANUP);
1746 EV_INVOKE_PENDING;
1747 }
1748#endif
1749
1750#if EV_CHILD_ENABLE
1751 if (ev_is_active (&childev))
1752 {
1753 ev_ref (EV_A); /* child watcher */
1754 ev_signal_stop (EV_A_ &childev);
1755 }
1756#endif
1700 1757
1701 if (ev_is_active (&pipe_w)) 1758 if (ev_is_active (&pipe_w))
1702 { 1759 {
1703 /*ev_ref (EV_A);*/ 1760 /*ev_ref (EV_A);*/
1704 /*ev_io_stop (EV_A_ &pipe_w);*/ 1761 /*ev_io_stop (EV_A_ &pipe_w);*/
… …
1726#endif 1783#endif
1727 1784
1728 if (backend_fd >= 0) 1785 if (backend_fd >= 0)
1729 close (backend_fd); 1786 close (backend_fd);
1730 1787
1788#if EV_USE_IOCP
1789 if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A);
1790#endif
1731#if EV_USE_PORT 1791#if EV_USE_PORT
1732 if (backend == EVBACKEND_PORT ) port_destroy (EV_A); 1792 if (backend == EVBACKEND_PORT ) port_destroy (EV_A);
1733#endif 1793#endif
1734#if EV_USE_KQUEUE 1794#if EV_USE_KQUEUE
1735 if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); 1795 if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A);
… …
1762 array_free (periodic, EMPTY); 1822 array_free (periodic, EMPTY);
1763#endif 1823#endif
1764#if EV_FORK_ENABLE 1824#if EV_FORK_ENABLE
1765 array_free (fork, EMPTY); 1825 array_free (fork, EMPTY);
1766#endif 1826#endif
1827#if EV_CLEANUP_ENABLE
1828 array_free (cleanup, EMPTY);
1829#endif
1767 array_free (prepare, EMPTY); 1830 array_free (prepare, EMPTY);
1768 array_free (check, EMPTY); 1831 array_free (check, EMPTY);
1769#if EV_ASYNC_ENABLE 1832#if EV_ASYNC_ENABLE
1770 array_free (async, EMPTY); 1833 array_free (async, EMPTY);
1771#endif 1834#endif
1772 1835
1773 backend = 0; 1836 backend = 0;
1837
1838#if EV_MULTIPLICITY
1839 if (ev_is_default_loop (EV_A))
1840#endif
1841 ev_default_loop_ptr = 0;
1842#if EV_MULTIPLICITY
1843 else
1844 ev_free (EV_A);
1845#endif
1774} 1846}
1775 1847
1776#if EV_USE_INOTIFY 1848#if EV_USE_INOTIFY
1777inline_size void infy_fork (EV_P); 1849inline_size void infy_fork (EV_P);
1778#endif 1850#endif
… …
1837 loop_init (EV_A_ flags); 1909 loop_init (EV_A_ flags);
1838 1910
1839 if (ev_backend (EV_A)) 1911 if (ev_backend (EV_A))
1840 return EV_A; 1912 return EV_A;
1841 1913
1914 ev_free (EV_A);
1842 return 0; 1915 return 0;
1843} 1916}
1844 1917
1845void
1846ev_loop_destroy (EV_P)
1847{
1848 loop_destroy (EV_A);
1849 ev_free (loop);
1850}
1851
1852void
1853ev_loop_fork (EV_P)
1854{
1855 postfork = 1; /* must be in line with ev_default_fork */
1856}
1857#endif /* multiplicity */ 1918#endif /* multiplicity */
1858 1919
1859#if EV_VERIFY 1920#if EV_VERIFY
1860static void noinline 1921static void noinline
1861verify_watcher (EV_P_ W w) 1922verify_watcher (EV_P_ W w)
… …
1936#if EV_FORK_ENABLE 1997#if EV_FORK_ENABLE
1937 assert (forkmax >= forkcnt); 1998 assert (forkmax >= forkcnt);
1938 array_verify (EV_A_ (W *)forks, forkcnt); 1999 array_verify (EV_A_ (W *)forks, forkcnt);
1939#endif 2000#endif
1940 2001
2002#if EV_CLEANUP_ENABLE
2003 assert (cleanupmax >= cleanupcnt);
2004 array_verify (EV_A_ (W *)cleanups, cleanupcnt);
2005#endif
2006
1941#if EV_ASYNC_ENABLE 2007#if EV_ASYNC_ENABLE
1942 assert (asyncmax >= asynccnt); 2008 assert (asyncmax >= asynccnt);
1943 array_verify (EV_A_ (W *)asyncs, asynccnt); 2009 array_verify (EV_A_ (W *)asyncs, asynccnt);
1944#endif 2010#endif
1945 2011
… …
1963} 2029}
1964#endif 2030#endif
1965 2031
1966#if EV_MULTIPLICITY 2032#if EV_MULTIPLICITY
1967struct ev_loop * 2033struct ev_loop *
1968ev_default_loop_init (unsigned int flags)
1969#else 2034#else
1970int 2035int
2036#endif
1971ev_default_loop (unsigned int flags) 2037ev_default_loop (unsigned int flags)
1972#endif
1973{ 2038{
1974 if (!ev_default_loop_ptr) 2039 if (!ev_default_loop_ptr)
1975 { 2040 {
1976#if EV_MULTIPLICITY 2041#if EV_MULTIPLICITY
1977 EV_P = ev_default_loop_ptr = &default_loop_struct; 2042 EV_P = ev_default_loop_ptr = &default_loop_struct;
… …
1996 2061
1997 return ev_default_loop_ptr; 2062 return ev_default_loop_ptr;
1998} 2063}
1999 2064
2000void 2065void
2001ev_default_destroy (void) 2066ev_loop_fork (EV_P)
2002{ 2067{
2003#if EV_MULTIPLICITY
2004 EV_P = ev_default_loop_ptr;
2005#endif
2006
2007 ev_default_loop_ptr = 0;
2008
2009#if EV_CHILD_ENABLE
2010 ev_ref (EV_A); /* child watcher */
2011 ev_signal_stop (EV_A_ &childev);
2012#endif
2013
2014 loop_destroy (EV_A);
2015}
2016
2017void
2018ev_default_fork (void)
2019{
2020#if EV_MULTIPLICITY
2021 EV_P = ev_default_loop_ptr;
2022#endif
2023
2024 postfork = 1; /* must be in line with ev_loop_fork */ 2068 postfork = 1; /* must be in line with ev_default_fork */
2025} 2069}
2026 2070
2027/*****************************************************************************/ 2071/*****************************************************************************/
2028 2072
2029void 2073void
… …
2289 mn_now = ev_rt_now; 2333 mn_now = ev_rt_now;
2290 } 2334 }
2291} 2335}
2292 2336
2293void 2337void
2294ev_loop (EV_P_ int flags) 2338ev_run (EV_P_ int flags)
2295{ 2339{
2296#if EV_FEATURE_API 2340#if EV_FEATURE_API
2297 ++loop_depth; 2341 ++loop_depth;
2298#endif 2342#endif
2299 2343
2300 assert (("libev: ev_loop recursion during release detected", loop_done != EVUNLOOP_RECURSE)); 2344 assert (("libev: ev_loop recursion during release detected", loop_done != EVBREAK_RECURSE));
2301 2345
2302 loop_done = EVUNLOOP_CANCEL; 2346 loop_done = EVBREAK_CANCEL;
2303 2347
2304 EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */ 2348 EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */
2305 2349
2306 do 2350 do
2307 { 2351 {
… …
2350 /* calculate blocking time */ 2394 /* calculate blocking time */
2351 { 2395 {
2352 ev_tstamp waittime = 0.; 2396 ev_tstamp waittime = 0.;
2353 ev_tstamp sleeptime = 0.; 2397 ev_tstamp sleeptime = 0.;
2354 2398
2399 /* remember old timestamp for io_blocktime calculation */
2400 ev_tstamp prev_mn_now = mn_now;
2401
2402 /* update time to cancel out callback processing overhead */
2403 time_update (EV_A_ 1e100);
2404
2355 if (expect_true (!(flags & EVLOOP_NONBLOCK || idleall || !activecnt))) 2405 if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt)))
2356 { 2406 {
2357 /* remember old timestamp for io_blocktime calculation */
2358 ev_tstamp prev_mn_now = mn_now;
2359
2360 /* update time to cancel out callback processing overhead */
2361 time_update (EV_A_ 1e100);
2362
2363 waittime = MAX_BLOCKTIME; 2407 waittime = MAX_BLOCKTIME;
2364 2408
2365 if (timercnt) 2409 if (timercnt)
2366 { 2410 {
2367 ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge; 2411 ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge;
… …
2397 } 2441 }
2398 2442
2399#if EV_FEATURE_API 2443#if EV_FEATURE_API
2400 ++loop_count; 2444 ++loop_count;
2401#endif 2445#endif
2402 assert ((loop_done = EVUNLOOP_RECURSE, 1)); /* assert for side effect */ 2446 assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */
2403 backend_poll (EV_A_ waittime); 2447 backend_poll (EV_A_ waittime);
2404 assert ((loop_done = EVUNLOOP_CANCEL, 1)); /* assert for side effect */ 2448 assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */
2405 2449
2406 /* update ev_rt_now, do magic */ 2450 /* update ev_rt_now, do magic */
2407 time_update (EV_A_ waittime + sleeptime); 2451 time_update (EV_A_ waittime + sleeptime);
2408 } 2452 }
2409 2453
… …
2427 EV_INVOKE_PENDING; 2471 EV_INVOKE_PENDING;
2428 } 2472 }
2429 while (expect_true ( 2473 while (expect_true (
2430 activecnt 2474 activecnt
2431 && !loop_done 2475 && !loop_done
2432 && !(flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK)) 2476 && !(flags & (EVRUN_ONCE | EVRUN_NOWAIT))
2433 )); 2477 ));
2434 2478
2435 if (loop_done == EVUNLOOP_ONE) 2479 if (loop_done == EVBREAK_ONE)
2436 loop_done = EVUNLOOP_CANCEL; 2480 loop_done = EVBREAK_CANCEL;
2437 2481
2438#if EV_FEATURE_API 2482#if EV_FEATURE_API
2439 --loop_depth; 2483 --loop_depth;
2440#endif 2484#endif
2441} 2485}
2442 2486
2443void 2487void
2444ev_unloop (EV_P_ int how) 2488ev_break (EV_P_ int how)
2445{ 2489{
2446 loop_done = how; 2490 loop_done = how;
2447} 2491}
2448 2492
2449void 2493void
… …
2597 EV_FREQUENT_CHECK; 2641 EV_FREQUENT_CHECK;
2598 2642
2599 wlist_del (&anfds[w->fd].head, (WL)w); 2643 wlist_del (&anfds[w->fd].head, (WL)w);
2600 ev_stop (EV_A_ (W)w); 2644 ev_stop (EV_A_ (W)w);
2601 2645
2602 fd_change (EV_A_ w->fd, 1); 2646 fd_change (EV_A_ w->fd, EV_ANFD_REIFY);
2603 2647
2604 EV_FREQUENT_CHECK; 2648 EV_FREQUENT_CHECK;
2605} 2649}
2606 2650
2607void noinline 2651void noinline
… …
3059 { 3103 {
3060 struct inotify_event *ev = (struct inotify_event *)(buf + ofs); 3104 struct inotify_event *ev = (struct inotify_event *)(buf + ofs);
3061 infy_wd (EV_A_ ev->wd, ev->wd, ev); 3105 infy_wd (EV_A_ ev->wd, ev->wd, ev);
3062 ofs += sizeof (struct inotify_event) + ev->len; 3106 ofs += sizeof (struct inotify_event) + ev->len;
3063 } 3107 }
3064}
3065
3066inline_size unsigned int
3067ev_linux_version (void)
3068{
3069 struct utsname buf;
3070 unsigned int v;
3071 int i;
3072 char *p = buf.release;
3073
3074 if (uname (&buf))
3075 return 0;
3076
3077 for (i = 3+1; --i; )
3078 {
3079 unsigned int c = 0;
3080
3081 for (;;)
3082 {
3083 if (*p >= '0' && *p <= '9')
3084 c = c * 10 + *p++ - '0';
3085 else
3086 {
3087 p += *p == '.';
3088 break;
3089 }
3090 }
3091
3092 v = (v << 8) | c;
3093 }
3094
3095 return v;
3096} 3108}
3097 3109
3098inline_size void 3110inline_size void
3099ev_check_2625 (EV_P) 3111ev_check_2625 (EV_P)
3100{ 3112{
… …
3424 3436
3425#if EV_EMBED_ENABLE 3437#if EV_EMBED_ENABLE
3426void noinline 3438void noinline
3427ev_embed_sweep (EV_P_ ev_embed *w) 3439ev_embed_sweep (EV_P_ ev_embed *w)
3428{ 3440{
3429 ev_loop (w->other, EVLOOP_NONBLOCK); 3441 ev_run (w->other, EVRUN_NOWAIT);
3430} 3442}
3431 3443
3432static void 3444static void
3433embed_io_cb (EV_P_ ev_io *io, int revents) 3445embed_io_cb (EV_P_ ev_io *io, int revents)
3434{ 3446{
3435 ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); 3447 ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io));
3436 3448
3437 if (ev_cb (w)) 3449 if (ev_cb (w))
3438 ev_feed_event (EV_A_ (W)w, EV_EMBED); 3450 ev_feed_event (EV_A_ (W)w, EV_EMBED);
3439 else 3451 else
3440 ev_loop (w->other, EVLOOP_NONBLOCK); 3452 ev_run (w->other, EVRUN_NOWAIT);
3441} 3453}
3442 3454
3443static void 3455static void
3444embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) 3456embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents)
3445{ 3457{
… …
3449 EV_P = w->other; 3461 EV_P = w->other;
3450 3462
3451 while (fdchangecnt) 3463 while (fdchangecnt)
3452 { 3464 {
3453 fd_reify (EV_A); 3465 fd_reify (EV_A);
3454 ev_loop (EV_A_ EVLOOP_NONBLOCK); 3466 ev_run (EV_A_ EVRUN_NOWAIT);
3455 } 3467 }
3456 } 3468 }
3457} 3469}
3458 3470
3459static void 3471static void
… …
3465 3477
3466 { 3478 {
3467 EV_P = w->other; 3479 EV_P = w->other;
3468 3480
3469 ev_loop_fork (EV_A); 3481 ev_loop_fork (EV_A);
3470 ev_loop (EV_A_ EVLOOP_NONBLOCK); 3482 ev_run (EV_A_ EVRUN_NOWAIT);
3471 } 3483 }
3472 3484
3473 ev_embed_start (EV_A_ w); 3485 ev_embed_start (EV_A_ w);
3474} 3486}
3475 3487
… …
3567 3579
3568 EV_FREQUENT_CHECK; 3580 EV_FREQUENT_CHECK;
3569} 3581}
3570#endif 3582#endif
3571 3583
3572#if EV_ASYNC_ENABLE 3584#if EV_CLEANUP_ENABLE
3573void 3585void
3574ev_async_start (EV_P_ ev_async *w) 3586ev_cleanup_start (EV_P_ ev_cleanup *w)
3575{ 3587{
3576 if (expect_false (ev_is_active (w))) 3588 if (expect_false (ev_is_active (w)))
3577 return; 3589 return;
3590
3591 EV_FREQUENT_CHECK;
3592
3593 ev_start (EV_A_ (W)w, ++cleanupcnt);
3594 array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, EMPTY2);
3595 cleanups [cleanupcnt - 1] = w;
3596
3597 EV_FREQUENT_CHECK;
3598}
3599
3600void
3601ev_cleanup_stop (EV_P_ ev_cleanup *w)
3602{
3603 clear_pending (EV_A_ (W)w);
3604 if (expect_false (!ev_is_active (w)))
3605 return;
3606
3607 EV_FREQUENT_CHECK;
3608
3609 {
3610 int active = ev_active (w);
3611
3612 cleanups [active - 1] = cleanups [--cleanupcnt];
3613 ev_active (cleanups [active - 1]) = active;
3614 }
3615
3616 ev_stop (EV_A_ (W)w);
3617
3618 EV_FREQUENT_CHECK;
3619}
3620#endif
3621
3622#if EV_ASYNC_ENABLE
3623void
3624ev_async_start (EV_P_ ev_async *w)
3625{
3626 if (expect_false (ev_is_active (w)))
3627 return;
3628
3629 w->sent = 0;
3578 3630
3579 evpipe_init (EV_A); 3631 evpipe_init (EV_A);
3580 3632
3581 EV_FREQUENT_CHECK; 3633 EV_FREQUENT_CHECK;
3582 3634
… …
3802 3854
3803#if EV_MULTIPLICITY 3855#if EV_MULTIPLICITY
3804 #include "ev_wrap.h" 3856 #include "ev_wrap.h"
3805#endif 3857#endif
3806 3858
3807#ifdef __cplusplus 3859EV_CPP(})
3808}
3809#endif
3810 3860

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