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Comparing libev/ev.c (file contents):
Revision 1.343 by root, Fri Apr 2 21:03:46 2010 UTC vs.
Revision 1.371 by root, Mon Feb 7 21:45:32 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
… …
195# ifndef EV_SELECT_IS_WINSOCKET 193# ifndef EV_SELECT_IS_WINSOCKET
196# define EV_SELECT_IS_WINSOCKET 1 194# define EV_SELECT_IS_WINSOCKET 1
197# endif 195# endif
198# undef EV_AVOID_STDIO 196# undef EV_AVOID_STDIO
199#endif 197#endif
198
199/* OS X, in its infinite idiocy, actually HARDCODES
200 * a limit of 1024 into their select. Where people have brains,
201 * OS X engineers apparently have a vacuum. Or maybe they were
202 * ordered to have a vacuum, or they do anything for money.
203 * This might help. Or not.
204 */
205#define _DARWIN_UNLIMITED_SELECT 1
200 206
201/* this block tries to deduce configuration from header-defined symbols and defaults */ 207/* this block tries to deduce configuration from header-defined symbols and defaults */
202 208
203/* try to deduce the maximum number of signals on this platform */ 209/* try to deduce the maximum number of signals on this platform */
204#if defined (EV_NSIG) 210#if defined (EV_NSIG)
… …
370# undef EV_USE_INOTIFY 376# undef EV_USE_INOTIFY
371# define EV_USE_INOTIFY 0 377# define EV_USE_INOTIFY 0
372#endif 378#endif
373 379
374#if !EV_USE_NANOSLEEP 380#if !EV_USE_NANOSLEEP
375# ifndef _WIN32 381/* hp-ux has it in sys/time.h, which we unconditionally include above */
382# if !defined(_WIN32) && !defined(__hpux)
376# include <sys/select.h> 383# include <sys/select.h>
377# endif 384# endif
378#endif 385#endif
379 386
380#if EV_USE_INOTIFY 387#if EV_USE_INOTIFY
381# include <sys/utsname.h>
382# include <sys/statfs.h> 388# include <sys/statfs.h>
383# include <sys/inotify.h> 389# include <sys/inotify.h>
384/* some very old inotify.h headers don't have IN_DONT_FOLLOW */ 390/* some very old inotify.h headers don't have IN_DONT_FOLLOW */
385# ifndef IN_DONT_FOLLOW 391# ifndef IN_DONT_FOLLOW
386# undef EV_USE_INOTIFY 392# undef EV_USE_INOTIFY
… …
403# define EFD_CLOEXEC O_CLOEXEC 409# define EFD_CLOEXEC O_CLOEXEC
404# else 410# else
405# define EFD_CLOEXEC 02000000 411# define EFD_CLOEXEC 02000000
406# endif 412# endif
407# endif 413# endif
408# ifdef __cplusplus
409extern "C" {
410# endif
411int (eventfd) (unsigned int initval, int flags); 414EV_CPP(extern "C") int (eventfd) (unsigned int initval, int flags);
412# ifdef __cplusplus
413}
414# endif
415#endif 415#endif
416 416
417#if EV_USE_SIGNALFD 417#if EV_USE_SIGNALFD
418/* our minimum requirement is glibc 2.7 which has the stub, but not the header */ 418/* our minimum requirement is glibc 2.7 which has the stub, but not the header */
419# include <stdint.h> 419# include <stdint.h>
… …
425# define SFD_CLOEXEC O_CLOEXEC 425# define SFD_CLOEXEC O_CLOEXEC
426# else 426# else
427# define SFD_CLOEXEC 02000000 427# define SFD_CLOEXEC 02000000
428# endif 428# endif
429# endif 429# endif
430# ifdef __cplusplus
431extern "C" {
432# endif
433int signalfd (int fd, const sigset_t *mask, int flags); 430EV_CPP (extern "C") int signalfd (int fd, const sigset_t *mask, int flags);
434 431
435struct signalfd_siginfo 432struct signalfd_siginfo
436{ 433{
437 uint32_t ssi_signo; 434 uint32_t ssi_signo;
438 char pad[128 - sizeof (uint32_t)]; 435 char pad[128 - sizeof (uint32_t)];
439}; 436};
440# ifdef __cplusplus
441}
442# endif 437#endif
443#endif
444
445 438
446/**/ 439/**/
447 440
448#if EV_VERIFY >= 3 441#if EV_VERIFY >= 3
449# define EV_FREQUENT_CHECK ev_verify (EV_A) 442# define EV_FREQUENT_CHECK ev_verify (EV_A)
… …
462#define TIME_EPSILON 0.0001220703125 /* 1/8192 */ 455#define TIME_EPSILON 0.0001220703125 /* 1/8192 */
463 456
464#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ 457#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */
465#define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ 458#define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */
466 459
460#define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } while (0)
461#define EV_TS_SET(ts,t) do { ts.tv_sec = (long)t; ts.tv_nsec = (long)((t - ts.tv_sec) * 1e9); } while (0)
462
467#if __GNUC__ >= 4 463#if __GNUC__ >= 4
468# define expect(expr,value) __builtin_expect ((expr),(value)) 464# define expect(expr,value) __builtin_expect ((expr),(value))
469# define noinline __attribute__ ((noinline)) 465# define noinline __attribute__ ((noinline))
470#else 466#else
471# define expect(expr,value) (expr) 467# define expect(expr,value) (expr)
… …
503#define ev_active(w) ((W)(w))->active 499#define ev_active(w) ((W)(w))->active
504#define ev_at(w) ((WT)(w))->at 500#define ev_at(w) ((WT)(w))->at
505 501
506#if EV_USE_REALTIME 502#if EV_USE_REALTIME
507/* sig_atomic_t is used to avoid per-thread variables or locking but still */ 503/* sig_atomic_t is used to avoid per-thread variables or locking but still */
508/* giving it a reasonably high chance of working on typical architetcures */ 504/* giving it a reasonably high chance of working on typical architectures */
509static EV_ATOMIC_T have_realtime; /* did clock_gettime (CLOCK_REALTIME) work? */ 505static EV_ATOMIC_T have_realtime; /* did clock_gettime (CLOCK_REALTIME) work? */
510#endif 506#endif
511 507
512#if EV_USE_MONOTONIC 508#if EV_USE_MONOTONIC
513static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ 509static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */
… …
524#endif 520#endif
525 521
526#ifdef _WIN32 522#ifdef _WIN32
527# include "ev_win32.c" 523# include "ev_win32.c"
528#endif 524#endif
525
526/*****************************************************************************/
527
528#ifdef __linux
529# include <sys/utsname.h>
530#endif
531
532static unsigned int noinline
533ev_linux_version (void)
534{
535#ifdef __linux
536 unsigned int v = 0;
537 struct utsname buf;
538 int i;
539 char *p = buf.release;
540
541 if (uname (&buf))
542 return 0;
543
544 for (i = 3+1; --i; )
545 {
546 unsigned int c = 0;
547
548 for (;;)
549 {
550 if (*p >= '0' && *p <= '9')
551 c = c * 10 + *p++ - '0';
552 else
553 {
554 p += *p == '.';
555 break;
556 }
557 }
558
559 v = (v << 8) | c;
560 }
561
562 return v;
563#else
564 return 0;
565#endif
566}
529 567
530/*****************************************************************************/ 568/*****************************************************************************/
531 569
532#if EV_AVOID_STDIO 570#if EV_AVOID_STDIO
533static void noinline 571static void noinline
… …
554 if (syserr_cb) 592 if (syserr_cb)
555 syserr_cb (msg); 593 syserr_cb (msg);
556 else 594 else
557 { 595 {
558#if EV_AVOID_STDIO 596#if EV_AVOID_STDIO
559 const char *err = strerror (errno);
560
561 ev_printerr (msg); 597 ev_printerr (msg);
562 ev_printerr (": "); 598 ev_printerr (": ");
563 ev_printerr (err); 599 ev_printerr (strerror (errno));
564 ev_printerr ("\n"); 600 ev_printerr ("\n");
565#else 601#else
566 perror (msg); 602 perror (msg);
567#endif 603#endif
568 abort (); 604 abort ();
… …
602 ptr = alloc (ptr, size); 638 ptr = alloc (ptr, size);
603 639
604 if (!ptr && size) 640 if (!ptr && size)
605 { 641 {
606#if EV_AVOID_STDIO 642#if EV_AVOID_STDIO
607 ev_printerr ("libev: memory allocation failed, aborting.\n"); 643 ev_printerr ("(libev) memory allocation failed, aborting.\n");
608#else 644#else
609 fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); 645 fprintf (stderr, "(libev) cannot allocate %ld bytes, aborting.", size);
610#endif 646#endif
611 abort (); 647 abort ();
612 } 648 }
613 649
614 return ptr; 650 return ptr;
… …
631 unsigned char emask; /* the epoll backend stores the actual kernel mask in here */ 667 unsigned char emask; /* the epoll backend stores the actual kernel mask in here */
632 unsigned char unused; 668 unsigned char unused;
633#if EV_USE_EPOLL 669#if EV_USE_EPOLL
634 unsigned int egen; /* generation counter to counter epoll bugs */ 670 unsigned int egen; /* generation counter to counter epoll bugs */
635#endif 671#endif
636#if EV_SELECT_IS_WINSOCKET 672#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP
637 SOCKET handle; 673 SOCKET handle;
674#endif
675#if EV_USE_IOCP
676 OVERLAPPED or, ow;
638#endif 677#endif
639} ANFD; 678} ANFD;
640 679
641/* stores the pending event set for a given watcher */ 680/* stores the pending event set for a given watcher */
642typedef struct 681typedef struct
… …
707# define EV_RELEASE_CB (void)0 746# define EV_RELEASE_CB (void)0
708# define EV_ACQUIRE_CB (void)0 747# define EV_ACQUIRE_CB (void)0
709# define EV_INVOKE_PENDING ev_invoke_pending (EV_A) 748# define EV_INVOKE_PENDING ev_invoke_pending (EV_A)
710#endif 749#endif
711 750
712#define EVUNLOOP_RECURSE 0x80 751#define EVBREAK_RECURSE 0x80
713 752
714/*****************************************************************************/ 753/*****************************************************************************/
715 754
716#ifndef EV_HAVE_EV_TIME 755#ifndef EV_HAVE_EV_TIME
717ev_tstamp 756ev_tstamp
… …
761 if (delay > 0.) 800 if (delay > 0.)
762 { 801 {
763#if EV_USE_NANOSLEEP 802#if EV_USE_NANOSLEEP
764 struct timespec ts; 803 struct timespec ts;
765 804
766 ts.tv_sec = (time_t)delay; 805 EV_TS_SET (ts, delay);
767 ts.tv_nsec = (long)((delay - (ev_tstamp)(ts.tv_sec)) * 1e9);
768
769 nanosleep (&ts, 0); 806 nanosleep (&ts, 0);
770#elif defined(_WIN32) 807#elif defined(_WIN32)
771 Sleep ((unsigned long)(delay * 1e3)); 808 Sleep ((unsigned long)(delay * 1e3));
772#else 809#else
773 struct timeval tv; 810 struct timeval tv;
774 811
775 tv.tv_sec = (time_t)delay;
776 tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6);
777
778 /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ 812 /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */
779 /* something not guaranteed by newer posix versions, but guaranteed */ 813 /* something not guaranteed by newer posix versions, but guaranteed */
780 /* by older ones */ 814 /* by older ones */
815 EV_TV_SET (tv, delay);
781 select (0, 0, 0, 0, &tv); 816 select (0, 0, 0, 0, &tv);
782#endif 817#endif
783 } 818 }
784} 819}
785 820
821inline_speed int
822ev_timeout_to_ms (ev_tstamp timeout)
823{
824 int ms = timeout * 1000. + .999999;
825
826 return expect_true (ms) ? ms : timeout < 1e-6 ? 0 : 1;
827}
828
786/*****************************************************************************/ 829/*****************************************************************************/
787 830
788#define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */ 831#define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */
789 832
790/* find a suitable new size for the given array, */ 833/* find a suitable new size for the given array, */
791/* hopefully by rounding to a ncie-to-malloc size */ 834/* hopefully by rounding to a nice-to-malloc size */
792inline_size int 835inline_size int
793array_nextsize (int elem, int cur, int cnt) 836array_nextsize (int elem, int cur, int cnt)
794{ 837{
795 int ncur = cur + 1; 838 int ncur = cur + 1;
796 839
… …
931inline_size void 974inline_size void
932fd_reify (EV_P) 975fd_reify (EV_P)
933{ 976{
934 int i; 977 int i;
935 978
979#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP
980 for (i = 0; i < fdchangecnt; ++i)
981 {
982 int fd = fdchanges [i];
983 ANFD *anfd = anfds + fd;
984
985 if (anfd->reify & EV__IOFDSET)
986 {
987 SOCKET handle = EV_FD_TO_WIN32_HANDLE (fd);
988
989 if (handle != anfd->handle)
990 {
991 unsigned long arg;
992
993 assert (("libev: only socket fds supported in this configuration", ioctlsocket (handle, FIONREAD, &arg) == 0));
994
995 /* handle changed, but fd didn't - we need to do it in two steps */
996 backend_modify (EV_A_ fd, anfd->events, 0);
997 anfd->events = 0;
998 anfd->handle = handle;
999 }
1000 }
1001 }
1002#endif
1003
936 for (i = 0; i < fdchangecnt; ++i) 1004 for (i = 0; i < fdchangecnt; ++i)
937 { 1005 {
938 int fd = fdchanges [i]; 1006 int fd = fdchanges [i];
939 ANFD *anfd = anfds + fd; 1007 ANFD *anfd = anfds + fd;
940 ev_io *w; 1008 ev_io *w;
941 1009
942 unsigned char events = 0; 1010 unsigned char o_events = anfd->events;
1011 unsigned char o_reify = anfd->reify;
943 1012
944 for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) 1013 anfd->reify = 0;
945 events |= (unsigned char)w->events;
946 1014
947#if EV_SELECT_IS_WINSOCKET 1015 /*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */
948 if (events)
949 { 1016 {
950 unsigned long arg; 1017 anfd->events = 0;
951 anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); 1018
952 assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); 1019 for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next)
1020 anfd->events |= (unsigned char)w->events;
1021
1022 if (o_events != anfd->events)
1023 o_reify = EV__IOFDSET; /* actually |= */
953 } 1024 }
954#endif
955 1025
956 { 1026 if (o_reify & EV__IOFDSET)
957 unsigned char o_events = anfd->events;
958 unsigned char o_reify = anfd->reify;
959
960 anfd->reify = 0;
961 anfd->events = events;
962
963 if (o_events != events || o_reify & EV__IOFDSET)
964 backend_modify (EV_A_ fd, o_events, events); 1027 backend_modify (EV_A_ fd, o_events, anfd->events);
965 }
966 } 1028 }
967 1029
968 fdchangecnt = 0; 1030 fdchangecnt = 0;
969} 1031}
970 1032
… …
1063} 1125}
1064 1126
1065/*****************************************************************************/ 1127/*****************************************************************************/
1066 1128
1067/* 1129/*
1068 * the heap functions want a real array index. array index 0 uis guaranteed to not 1130 * the heap functions want a real array index. array index 0 is guaranteed to not
1069 * be in-use at any time. the first heap entry is at array [HEAP0]. DHEAP gives 1131 * be in-use at any time. the first heap entry is at array [HEAP0]. DHEAP gives
1070 * the branching factor of the d-tree. 1132 * the branching factor of the d-tree.
1071 */ 1133 */
1072 1134
1073/* 1135/*
… …
1273 uint64_t counter = 1; 1335 uint64_t counter = 1;
1274 write (evfd, &counter, sizeof (uint64_t)); 1336 write (evfd, &counter, sizeof (uint64_t));
1275 } 1337 }
1276 else 1338 else
1277#endif 1339#endif
1340 /* win32 people keep sending patches that change this write() to send() */
1341 /* and then run away. but send() is wrong, it wants a socket handle on win32 */
1342 /* so when you think this write should be a send instead, please find out */
1343 /* where your send() is from - it's definitely not the microsoft send, and */
1344 /* tell me. thank you. */
1278 write (evpipe [1], &dummy, 1); 1345 write (evpipe [1], &dummy, 1);
1279 1346
1280 errno = old_errno; 1347 errno = old_errno;
1281 } 1348 }
1282} 1349}
… …
1296 } 1363 }
1297 else 1364 else
1298#endif 1365#endif
1299 { 1366 {
1300 char dummy; 1367 char dummy;
1368 /* see discussion in evpipe_write when you think this read should be recv in win32 */
1301 read (evpipe [0], &dummy, 1); 1369 read (evpipe [0], &dummy, 1);
1302 } 1370 }
1303 1371
1372#if EV_SIGNAL_ENABLE
1304 if (sig_pending) 1373 if (sig_pending)
1305 { 1374 {
1306 sig_pending = 0; 1375 sig_pending = 0;
1307 1376
1308 for (i = EV_NSIG - 1; i--; ) 1377 for (i = EV_NSIG - 1; i--; )
1309 if (expect_false (signals [i].pending)) 1378 if (expect_false (signals [i].pending))
1310 ev_feed_signal_event (EV_A_ i + 1); 1379 ev_feed_signal_event (EV_A_ i + 1);
1311 } 1380 }
1381#endif
1312 1382
1313#if EV_ASYNC_ENABLE 1383#if EV_ASYNC_ENABLE
1314 if (async_pending) 1384 if (async_pending)
1315 { 1385 {
1316 async_pending = 0; 1386 async_pending = 0;
… …
1325#endif 1395#endif
1326} 1396}
1327 1397
1328/*****************************************************************************/ 1398/*****************************************************************************/
1329 1399
1400void
1401ev_feed_signal (int signum)
1402{
1403#if EV_MULTIPLICITY
1404 EV_P = signals [signum - 1].loop;
1405
1406 if (!EV_A)
1407 return;
1408#endif
1409
1410 signals [signum - 1].pending = 1;
1411 evpipe_write (EV_A_ &sig_pending);
1412}
1413
1330static void 1414static void
1331ev_sighandler (int signum) 1415ev_sighandler (int signum)
1332{ 1416{
1333#if EV_MULTIPLICITY
1334 EV_P = signals [signum - 1].loop;
1335#endif
1336
1337#ifdef _WIN32 1417#ifdef _WIN32
1338 signal (signum, ev_sighandler); 1418 signal (signum, ev_sighandler);
1339#endif 1419#endif
1340 1420
1341 signals [signum - 1].pending = 1; 1421 ev_feed_signal (signum);
1342 evpipe_write (EV_A_ &sig_pending);
1343} 1422}
1344 1423
1345void noinline 1424void noinline
1346ev_feed_signal_event (EV_P_ int signum) 1425ev_feed_signal_event (EV_P_ int signum)
1347{ 1426{
… …
1447 1526
1448#endif 1527#endif
1449 1528
1450/*****************************************************************************/ 1529/*****************************************************************************/
1451 1530
1531#if EV_USE_IOCP
1532# include "ev_iocp.c"
1533#endif
1452#if EV_USE_PORT 1534#if EV_USE_PORT
1453# include "ev_port.c" 1535# include "ev_port.c"
1454#endif 1536#endif
1455#if EV_USE_KQUEUE 1537#if EV_USE_KQUEUE
1456# include "ev_kqueue.c" 1538# include "ev_kqueue.c"
… …
1529ev_embeddable_backends (void) 1611ev_embeddable_backends (void)
1530{ 1612{
1531 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; 1613 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
1532 1614
1533 /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ 1615 /* epoll embeddability broken on all linux versions up to at least 2.6.23 */
1534 /* please fix it and tell me how to detect the fix */ 1616 if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
1535 flags &= ~EVBACKEND_EPOLL; 1617 flags &= ~EVBACKEND_EPOLL;
1536 1618
1537 return flags; 1619 return flags;
1538} 1620}
1539 1621
1540unsigned int 1622unsigned int
… …
1596static void noinline 1678static void noinline
1597loop_init (EV_P_ unsigned int flags) 1679loop_init (EV_P_ unsigned int flags)
1598{ 1680{
1599 if (!backend) 1681 if (!backend)
1600 { 1682 {
1683 origflags = flags;
1684
1601#if EV_USE_REALTIME 1685#if EV_USE_REALTIME
1602 if (!have_realtime) 1686 if (!have_realtime)
1603 { 1687 {
1604 struct timespec ts; 1688 struct timespec ts;
1605 1689
… …
1650#endif 1734#endif
1651#if EV_USE_SIGNALFD 1735#if EV_USE_SIGNALFD
1652 sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1; 1736 sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;
1653#endif 1737#endif
1654 1738
1655 if (!(flags & 0x0000ffffU)) 1739 if (!(flags & EVBACKEND_MASK))
1656 flags |= ev_recommended_backends (); 1740 flags |= ev_recommended_backends ();
1657 1741
1742#if EV_USE_IOCP
1743 if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags);
1744#endif
1658#if EV_USE_PORT 1745#if EV_USE_PORT
1659 if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); 1746 if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);
1660#endif 1747#endif
1661#if EV_USE_KQUEUE 1748#if EV_USE_KQUEUE
1662 if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); 1749 if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags);
… …
1679#endif 1766#endif
1680 } 1767 }
1681} 1768}
1682 1769
1683/* free up a loop structure */ 1770/* free up a loop structure */
1684static void noinline 1771void
1685loop_destroy (EV_P) 1772ev_loop_destroy (EV_P)
1686{ 1773{
1687 int i; 1774 int i;
1775
1776#if EV_MULTIPLICITY
1777 /* mimic free (0) */
1778 if (!EV_A)
1779 return;
1780#endif
1781
1782#if EV_CLEANUP_ENABLE
1783 /* queue cleanup watchers (and execute them) */
1784 if (expect_false (cleanupcnt))
1785 {
1786 queue_events (EV_A_ (W *)cleanups, cleanupcnt, EV_CLEANUP);
1787 EV_INVOKE_PENDING;
1788 }
1789#endif
1790
1791#if EV_CHILD_ENABLE
1792 if (ev_is_active (&childev))
1793 {
1794 ev_ref (EV_A); /* child watcher */
1795 ev_signal_stop (EV_A_ &childev);
1796 }
1797#endif
1688 1798
1689 if (ev_is_active (&pipe_w)) 1799 if (ev_is_active (&pipe_w))
1690 { 1800 {
1691 /*ev_ref (EV_A);*/ 1801 /*ev_ref (EV_A);*/
1692 /*ev_io_stop (EV_A_ &pipe_w);*/ 1802 /*ev_io_stop (EV_A_ &pipe_w);*/
… …
1714#endif 1824#endif
1715 1825
1716 if (backend_fd >= 0) 1826 if (backend_fd >= 0)
1717 close (backend_fd); 1827 close (backend_fd);
1718 1828
1829#if EV_USE_IOCP
1830 if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A);
1831#endif
1719#if EV_USE_PORT 1832#if EV_USE_PORT
1720 if (backend == EVBACKEND_PORT ) port_destroy (EV_A); 1833 if (backend == EVBACKEND_PORT ) port_destroy (EV_A);
1721#endif 1834#endif
1722#if EV_USE_KQUEUE 1835#if EV_USE_KQUEUE
1723 if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); 1836 if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A);
… …
1750 array_free (periodic, EMPTY); 1863 array_free (periodic, EMPTY);
1751#endif 1864#endif
1752#if EV_FORK_ENABLE 1865#if EV_FORK_ENABLE
1753 array_free (fork, EMPTY); 1866 array_free (fork, EMPTY);
1754#endif 1867#endif
1868#if EV_CLEANUP_ENABLE
1869 array_free (cleanup, EMPTY);
1870#endif
1755 array_free (prepare, EMPTY); 1871 array_free (prepare, EMPTY);
1756 array_free (check, EMPTY); 1872 array_free (check, EMPTY);
1757#if EV_ASYNC_ENABLE 1873#if EV_ASYNC_ENABLE
1758 array_free (async, EMPTY); 1874 array_free (async, EMPTY);
1759#endif 1875#endif
1760 1876
1761 backend = 0; 1877 backend = 0;
1878
1879#if EV_MULTIPLICITY
1880 if (ev_is_default_loop (EV_A))
1881#endif
1882 ev_default_loop_ptr = 0;
1883#if EV_MULTIPLICITY
1884 else
1885 ev_free (EV_A);
1886#endif
1762} 1887}
1763 1888
1764#if EV_USE_INOTIFY 1889#if EV_USE_INOTIFY
1765inline_size void infy_fork (EV_P); 1890inline_size void infy_fork (EV_P);
1766#endif 1891#endif
… …
1825 loop_init (EV_A_ flags); 1950 loop_init (EV_A_ flags);
1826 1951
1827 if (ev_backend (EV_A)) 1952 if (ev_backend (EV_A))
1828 return EV_A; 1953 return EV_A;
1829 1954
1955 ev_free (EV_A);
1830 return 0; 1956 return 0;
1831} 1957}
1832 1958
1833void
1834ev_loop_destroy (EV_P)
1835{
1836 loop_destroy (EV_A);
1837 ev_free (loop);
1838}
1839
1840void
1841ev_loop_fork (EV_P)
1842{
1843 postfork = 1; /* must be in line with ev_default_fork */
1844}
1845#endif /* multiplicity */ 1959#endif /* multiplicity */
1846 1960
1847#if EV_VERIFY 1961#if EV_VERIFY
1848static void noinline 1962static void noinline
1849verify_watcher (EV_P_ W w) 1963verify_watcher (EV_P_ W w)
… …
1924#if EV_FORK_ENABLE 2038#if EV_FORK_ENABLE
1925 assert (forkmax >= forkcnt); 2039 assert (forkmax >= forkcnt);
1926 array_verify (EV_A_ (W *)forks, forkcnt); 2040 array_verify (EV_A_ (W *)forks, forkcnt);
1927#endif 2041#endif
1928 2042
2043#if EV_CLEANUP_ENABLE
2044 assert (cleanupmax >= cleanupcnt);
2045 array_verify (EV_A_ (W *)cleanups, cleanupcnt);
2046#endif
2047
1929#if EV_ASYNC_ENABLE 2048#if EV_ASYNC_ENABLE
1930 assert (asyncmax >= asynccnt); 2049 assert (asyncmax >= asynccnt);
1931 array_verify (EV_A_ (W *)asyncs, asynccnt); 2050 array_verify (EV_A_ (W *)asyncs, asynccnt);
1932#endif 2051#endif
1933 2052
… …
1951} 2070}
1952#endif 2071#endif
1953 2072
1954#if EV_MULTIPLICITY 2073#if EV_MULTIPLICITY
1955struct ev_loop * 2074struct ev_loop *
1956ev_default_loop_init (unsigned int flags)
1957#else 2075#else
1958int 2076int
2077#endif
1959ev_default_loop (unsigned int flags) 2078ev_default_loop (unsigned int flags)
1960#endif
1961{ 2079{
1962 if (!ev_default_loop_ptr) 2080 if (!ev_default_loop_ptr)
1963 { 2081 {
1964#if EV_MULTIPLICITY 2082#if EV_MULTIPLICITY
1965 EV_P = ev_default_loop_ptr = &default_loop_struct; 2083 EV_P = ev_default_loop_ptr = &default_loop_struct;
… …
1984 2102
1985 return ev_default_loop_ptr; 2103 return ev_default_loop_ptr;
1986} 2104}
1987 2105
1988void 2106void
1989ev_default_destroy (void) 2107ev_loop_fork (EV_P)
1990{ 2108{
1991#if EV_MULTIPLICITY
1992 EV_P = ev_default_loop_ptr;
1993#endif
1994
1995 ev_default_loop_ptr = 0;
1996
1997#if EV_CHILD_ENABLE
1998 ev_ref (EV_A); /* child watcher */
1999 ev_signal_stop (EV_A_ &childev);
2000#endif
2001
2002 loop_destroy (EV_A);
2003}
2004
2005void
2006ev_default_fork (void)
2007{
2008#if EV_MULTIPLICITY
2009 EV_P = ev_default_loop_ptr;
2010#endif
2011
2012 postfork = 1; /* must be in line with ev_loop_fork */ 2109 postfork = 1; /* must be in line with ev_default_fork */
2013} 2110}
2014 2111
2015/*****************************************************************************/ 2112/*****************************************************************************/
2016 2113
2017void 2114void
… …
2039 2136
2040 for (pri = NUMPRI; pri--; ) 2137 for (pri = NUMPRI; pri--; )
2041 while (pendingcnt [pri]) 2138 while (pendingcnt [pri])
2042 { 2139 {
2043 ANPENDING *p = pendings [pri] + --pendingcnt [pri]; 2140 ANPENDING *p = pendings [pri] + --pendingcnt [pri];
2044
2045 /*assert (("libev: non-pending watcher on pending list", p->w->pending));*/
2046 /* ^ this is no longer true, as pending_w could be here */
2047 2141
2048 p->w->pending = 0; 2142 p->w->pending = 0;
2049 EV_CB_INVOKE (p->w, p->events); 2143 EV_CB_INVOKE (p->w, p->events);
2050 EV_FREQUENT_CHECK; 2144 EV_FREQUENT_CHECK;
2051 } 2145 }
… …
2113 feed_reverse_done (EV_A_ EV_TIMER); 2207 feed_reverse_done (EV_A_ EV_TIMER);
2114 } 2208 }
2115} 2209}
2116 2210
2117#if EV_PERIODIC_ENABLE 2211#if EV_PERIODIC_ENABLE
2212
2213inline_speed void
2214periodic_recalc (EV_P_ ev_periodic *w)
2215{
2216 /* TODO: use slow but potentially more correct incremental algo, */
2217 /* also do not rely on ceil */
2218 ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
2219}
2220
2118/* make periodics pending */ 2221/* make periodics pending */
2119inline_size void 2222inline_size void
2120periodics_reify (EV_P) 2223periodics_reify (EV_P)
2121{ 2224{
2122 EV_FREQUENT_CHECK; 2225 EV_FREQUENT_CHECK;
… …
2141 ANHE_at_cache (periodics [HEAP0]); 2244 ANHE_at_cache (periodics [HEAP0]);
2142 downheap (periodics, periodiccnt, HEAP0); 2245 downheap (periodics, periodiccnt, HEAP0);
2143 } 2246 }
2144 else if (w->interval) 2247 else if (w->interval)
2145 { 2248 {
2146 ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; 2249 periodic_recalc (EV_A_ w);
2250
2147 /* if next trigger time is not sufficiently in the future, put it there */ 2251 /* if next trigger time is not sufficiently in the future, put it there */
2148 /* this might happen because of floating point inexactness */ 2252 /* this might happen because of floating point inexactness */
2149 if (ev_at (w) - ev_rt_now < TIME_EPSILON) 2253 if (ev_at (w) - ev_rt_now < TIME_EPSILON)
2150 { 2254 {
2151 ev_at (w) += w->interval; 2255 ev_at (w) += w->interval;
… …
2171 feed_reverse_done (EV_A_ EV_PERIODIC); 2275 feed_reverse_done (EV_A_ EV_PERIODIC);
2172 } 2276 }
2173} 2277}
2174 2278
2175/* simply recalculate all periodics */ 2279/* simply recalculate all periodics */
2176/* TODO: maybe ensure that at leats one event happens when jumping forward? */ 2280/* TODO: maybe ensure that at least one event happens when jumping forward? */
2177static void noinline 2281static void noinline
2178periodics_reschedule (EV_P) 2282periodics_reschedule (EV_P)
2179{ 2283{
2180 int i; 2284 int i;
2181 2285
… …
2185 ev_periodic *w = (ev_periodic *)ANHE_w (periodics [i]); 2289 ev_periodic *w = (ev_periodic *)ANHE_w (periodics [i]);
2186 2290
2187 if (w->reschedule_cb) 2291 if (w->reschedule_cb)
2188 ev_at (w) = w->reschedule_cb (w, ev_rt_now); 2292 ev_at (w) = w->reschedule_cb (w, ev_rt_now);
2189 else if (w->interval) 2293 else if (w->interval)
2190 ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; 2294 periodic_recalc (EV_A_ w);
2191 2295
2192 ANHE_at_cache (periodics [i]); 2296 ANHE_at_cache (periodics [i]);
2193 } 2297 }
2194 2298
2195 reheap (periodics, periodiccnt); 2299 reheap (periodics, periodiccnt);
… …
2277 mn_now = ev_rt_now; 2381 mn_now = ev_rt_now;
2278 } 2382 }
2279} 2383}
2280 2384
2281void 2385void
2282ev_loop (EV_P_ int flags) 2386ev_run (EV_P_ int flags)
2283{ 2387{
2284#if EV_FEATURE_API 2388#if EV_FEATURE_API
2285 ++loop_depth; 2389 ++loop_depth;
2286#endif 2390#endif
2287 2391
2288 assert (("libev: ev_loop recursion during release detected", loop_done != EVUNLOOP_RECURSE)); 2392 assert (("libev: ev_loop recursion during release detected", loop_done != EVBREAK_RECURSE));
2289 2393
2290 loop_done = EVUNLOOP_CANCEL; 2394 loop_done = EVBREAK_CANCEL;
2291 2395
2292 EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */ 2396 EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */
2293 2397
2294 do 2398 do
2295 { 2399 {
… …
2338 /* calculate blocking time */ 2442 /* calculate blocking time */
2339 { 2443 {
2340 ev_tstamp waittime = 0.; 2444 ev_tstamp waittime = 0.;
2341 ev_tstamp sleeptime = 0.; 2445 ev_tstamp sleeptime = 0.;
2342 2446
2447 /* remember old timestamp for io_blocktime calculation */
2448 ev_tstamp prev_mn_now = mn_now;
2449
2450 /* update time to cancel out callback processing overhead */
2451 time_update (EV_A_ 1e100);
2452
2343 if (expect_true (!(flags & EVLOOP_NONBLOCK || idleall || !activecnt))) 2453 if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt)))
2344 { 2454 {
2345 /* remember old timestamp for io_blocktime calculation */
2346 ev_tstamp prev_mn_now = mn_now;
2347
2348 /* update time to cancel out callback processing overhead */
2349 time_update (EV_A_ 1e100);
2350
2351 waittime = MAX_BLOCKTIME; 2455 waittime = MAX_BLOCKTIME;
2352 2456
2353 if (timercnt) 2457 if (timercnt)
2354 { 2458 {
2355 ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge; 2459 ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge;
… …
2385 } 2489 }
2386 2490
2387#if EV_FEATURE_API 2491#if EV_FEATURE_API
2388 ++loop_count; 2492 ++loop_count;
2389#endif 2493#endif
2390 assert ((loop_done = EVUNLOOP_RECURSE, 1)); /* assert for side effect */ 2494 assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */
2391 backend_poll (EV_A_ waittime); 2495 backend_poll (EV_A_ waittime);
2392 assert ((loop_done = EVUNLOOP_CANCEL, 1)); /* assert for side effect */ 2496 assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */
2393 2497
2394 /* update ev_rt_now, do magic */ 2498 /* update ev_rt_now, do magic */
2395 time_update (EV_A_ waittime + sleeptime); 2499 time_update (EV_A_ waittime + sleeptime);
2396 } 2500 }
2397 2501
… …
2415 EV_INVOKE_PENDING; 2519 EV_INVOKE_PENDING;
2416 } 2520 }
2417 while (expect_true ( 2521 while (expect_true (
2418 activecnt 2522 activecnt
2419 && !loop_done 2523 && !loop_done
2420 && !(flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK)) 2524 && !(flags & (EVRUN_ONCE | EVRUN_NOWAIT))
2421 )); 2525 ));
2422 2526
2423 if (loop_done == EVUNLOOP_ONE) 2527 if (loop_done == EVBREAK_ONE)
2424 loop_done = EVUNLOOP_CANCEL; 2528 loop_done = EVBREAK_CANCEL;
2425 2529
2426#if EV_FEATURE_API 2530#if EV_FEATURE_API
2427 --loop_depth; 2531 --loop_depth;
2428#endif 2532#endif
2429} 2533}
2430 2534
2431void 2535void
2432ev_unloop (EV_P_ int how) 2536ev_break (EV_P_ int how)
2433{ 2537{
2434 loop_done = how; 2538 loop_done = how;
2435} 2539}
2436 2540
2437void 2541void
… …
2585 EV_FREQUENT_CHECK; 2689 EV_FREQUENT_CHECK;
2586 2690
2587 wlist_del (&anfds[w->fd].head, (WL)w); 2691 wlist_del (&anfds[w->fd].head, (WL)w);
2588 ev_stop (EV_A_ (W)w); 2692 ev_stop (EV_A_ (W)w);
2589 2693
2590 fd_change (EV_A_ w->fd, 1); 2694 fd_change (EV_A_ w->fd, EV_ANFD_REIFY);
2591 2695
2592 EV_FREQUENT_CHECK; 2696 EV_FREQUENT_CHECK;
2593} 2697}
2594 2698
2595void noinline 2699void noinline
… …
2687 if (w->reschedule_cb) 2791 if (w->reschedule_cb)
2688 ev_at (w) = w->reschedule_cb (w, ev_rt_now); 2792 ev_at (w) = w->reschedule_cb (w, ev_rt_now);
2689 else if (w->interval) 2793 else if (w->interval)
2690 { 2794 {
2691 assert (("libev: ev_periodic_start called with negative interval value", w->interval >= 0.)); 2795 assert (("libev: ev_periodic_start called with negative interval value", w->interval >= 0.));
2692 /* this formula differs from the one in periodic_reify because we do not always round up */ 2796 periodic_recalc (EV_A_ w);
2693 ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
2694 } 2797 }
2695 else 2798 else
2696 ev_at (w) = w->offset; 2799 ev_at (w) = w->offset;
2697 2800
2698 EV_FREQUENT_CHECK; 2801 EV_FREQUENT_CHECK;
… …
2819 sa.sa_handler = ev_sighandler; 2922 sa.sa_handler = ev_sighandler;
2820 sigfillset (&sa.sa_mask); 2923 sigfillset (&sa.sa_mask);
2821 sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ 2924 sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */
2822 sigaction (w->signum, &sa, 0); 2925 sigaction (w->signum, &sa, 0);
2823 2926
2927 if (origflags & EVFLAG_NOSIGMASK)
2928 {
2824 sigemptyset (&sa.sa_mask); 2929 sigemptyset (&sa.sa_mask);
2825 sigaddset (&sa.sa_mask, w->signum); 2930 sigaddset (&sa.sa_mask, w->signum);
2826 sigprocmask (SIG_UNBLOCK, &sa.sa_mask, 0); 2931 sigprocmask (SIG_UNBLOCK, &sa.sa_mask, 0);
2932 }
2827#endif 2933#endif
2828 } 2934 }
2829 2935
2830 EV_FREQUENT_CHECK; 2936 EV_FREQUENT_CHECK;
2831} 2937}
… …
3047 { 3153 {
3048 struct inotify_event *ev = (struct inotify_event *)(buf + ofs); 3154 struct inotify_event *ev = (struct inotify_event *)(buf + ofs);
3049 infy_wd (EV_A_ ev->wd, ev->wd, ev); 3155 infy_wd (EV_A_ ev->wd, ev->wd, ev);
3050 ofs += sizeof (struct inotify_event) + ev->len; 3156 ofs += sizeof (struct inotify_event) + ev->len;
3051 } 3157 }
3052}
3053
3054inline_size unsigned int
3055ev_linux_version (void)
3056{
3057 struct utsname buf;
3058 unsigned int v;
3059 int i;
3060 char *p = buf.release;
3061
3062 if (uname (&buf))
3063 return 0;
3064
3065 for (i = 3+1; --i; )
3066 {
3067 unsigned int c = 0;
3068
3069 for (;;)
3070 {
3071 if (*p >= '0' && *p <= '9')
3072 c = c * 10 + *p++ - '0';
3073 else
3074 {
3075 p += *p == '.';
3076 break;
3077 }
3078 }
3079
3080 v = (v << 8) | c;
3081 }
3082
3083 return v;
3084} 3158}
3085 3159
3086inline_size void 3160inline_size void
3087ev_check_2625 (EV_P) 3161ev_check_2625 (EV_P)
3088{ 3162{
… …
3412 3486
3413#if EV_EMBED_ENABLE 3487#if EV_EMBED_ENABLE
3414void noinline 3488void noinline
3415ev_embed_sweep (EV_P_ ev_embed *w) 3489ev_embed_sweep (EV_P_ ev_embed *w)
3416{ 3490{
3417 ev_loop (w->other, EVLOOP_NONBLOCK); 3491 ev_run (w->other, EVRUN_NOWAIT);
3418} 3492}
3419 3493
3420static void 3494static void
3421embed_io_cb (EV_P_ ev_io *io, int revents) 3495embed_io_cb (EV_P_ ev_io *io, int revents)
3422{ 3496{
3423 ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); 3497 ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io));
3424 3498
3425 if (ev_cb (w)) 3499 if (ev_cb (w))
3426 ev_feed_event (EV_A_ (W)w, EV_EMBED); 3500 ev_feed_event (EV_A_ (W)w, EV_EMBED);
3427 else 3501 else
3428 ev_loop (w->other, EVLOOP_NONBLOCK); 3502 ev_run (w->other, EVRUN_NOWAIT);
3429} 3503}
3430 3504
3431static void 3505static void
3432embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) 3506embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents)
3433{ 3507{
… …
3437 EV_P = w->other; 3511 EV_P = w->other;
3438 3512
3439 while (fdchangecnt) 3513 while (fdchangecnt)
3440 { 3514 {
3441 fd_reify (EV_A); 3515 fd_reify (EV_A);
3442 ev_loop (EV_A_ EVLOOP_NONBLOCK); 3516 ev_run (EV_A_ EVRUN_NOWAIT);
3443 } 3517 }
3444 } 3518 }
3445} 3519}
3446 3520
3447static void 3521static void
… …
3453 3527
3454 { 3528 {
3455 EV_P = w->other; 3529 EV_P = w->other;
3456 3530
3457 ev_loop_fork (EV_A); 3531 ev_loop_fork (EV_A);
3458 ev_loop (EV_A_ EVLOOP_NONBLOCK); 3532 ev_run (EV_A_ EVRUN_NOWAIT);
3459 } 3533 }
3460 3534
3461 ev_embed_start (EV_A_ w); 3535 ev_embed_start (EV_A_ w);
3462} 3536}
3463 3537
… …
3555 3629
3556 EV_FREQUENT_CHECK; 3630 EV_FREQUENT_CHECK;
3557} 3631}
3558#endif 3632#endif
3559 3633
3560#if EV_ASYNC_ENABLE 3634#if EV_CLEANUP_ENABLE
3561void 3635void
3562ev_async_start (EV_P_ ev_async *w) 3636ev_cleanup_start (EV_P_ ev_cleanup *w)
3563{ 3637{
3564 if (expect_false (ev_is_active (w))) 3638 if (expect_false (ev_is_active (w)))
3565 return; 3639 return;
3640
3641 EV_FREQUENT_CHECK;
3642
3643 ev_start (EV_A_ (W)w, ++cleanupcnt);
3644 array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, EMPTY2);
3645 cleanups [cleanupcnt - 1] = w;
3646
3647 /* cleanup watchers should never keep a refcount on the loop */
3648 ev_unref (EV_A);
3649 EV_FREQUENT_CHECK;
3650}
3651
3652void
3653ev_cleanup_stop (EV_P_ ev_cleanup *w)
3654{
3655 clear_pending (EV_A_ (W)w);
3656 if (expect_false (!ev_is_active (w)))
3657 return;
3658
3659 EV_FREQUENT_CHECK;
3660 ev_ref (EV_A);
3661
3662 {
3663 int active = ev_active (w);
3664
3665 cleanups [active - 1] = cleanups [--cleanupcnt];
3666 ev_active (cleanups [active - 1]) = active;
3667 }
3668
3669 ev_stop (EV_A_ (W)w);
3670
3671 EV_FREQUENT_CHECK;
3672}
3673#endif
3674
3675#if EV_ASYNC_ENABLE
3676void
3677ev_async_start (EV_P_ ev_async *w)
3678{
3679 if (expect_false (ev_is_active (w)))
3680 return;
3681
3682 w->sent = 0;
3566 3683
3567 evpipe_init (EV_A); 3684 evpipe_init (EV_A);
3568 3685
3569 EV_FREQUENT_CHECK; 3686 EV_FREQUENT_CHECK;
3570 3687
… …
3790 3907
3791#if EV_MULTIPLICITY 3908#if EV_MULTIPLICITY
3792 #include "ev_wrap.h" 3909 #include "ev_wrap.h"
3793#endif 3910#endif
3794 3911
3795#ifdef __cplusplus 3912EV_CPP(})
3796}
3797#endif
3798 3913

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