[ViewVC] Diff of: cvs/libev/ev.c

Comparing libev/ev.c (file contents):
Revision 1.258 by root, Sun Sep 7 18:15:12 2008 UTC vs.
Revision 1.279 by root, Fri Feb 6 20:17:43 2009 UTC

…		…
1	/*	1	/*
2	* libev event processing core, watcher management	2	* libev event processing core, watcher management
3	*	3	*
4	* Copyright (c) 2007,2008 Marc Alexander Lehmann <libev@schmorp.de>	4	* Copyright (c) 2007,2008,2009 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	*
47	# include EV_CONFIG_H	47	# include EV_CONFIG_H
48	# else	48	# else
49	# include "config.h"	49	# include "config.h"
50	# endif	50	# endif
51		51
		52	# if HAVE_CLOCK_SYSCALL
		53	# ifndef EV_USE_CLOCK_SYSCALL
		54	# define EV_USE_CLOCK_SYSCALL 1
		55	# ifndef EV_USE_REALTIME
		56	# define EV_USE_REALTIME 0
		57	# endif
		58	# ifndef EV_USE_MONOTONIC
		59	# define EV_USE_MONOTONIC 1
		60	# endif
		61	# endif
		62	# endif
		63
52	# if HAVE_CLOCK_GETTIME	64	# if HAVE_CLOCK_GETTIME
53	# ifndef EV_USE_MONOTONIC	65	# ifndef EV_USE_MONOTONIC
54	# define EV_USE_MONOTONIC 1	66	# define EV_USE_MONOTONIC 1
55	# endif	67	# endif
56	# ifndef EV_USE_REALTIME	68	# ifndef EV_USE_REALTIME
57	# define EV_USE_REALTIME 1	69	# define EV_USE_REALTIME 0
58	# endif	70	# endif
59	# else	71	# else
60	# ifndef EV_USE_MONOTONIC	72	# ifndef EV_USE_MONOTONIC
61	# define EV_USE_MONOTONIC 0	73	# define EV_USE_MONOTONIC 0
62	# endif	74	# endif
…		…
164	# endif	176	# endif
165	#endif	177	#endif
166		178
167	/* this block tries to deduce configuration from header-defined symbols and defaults */	179	/* this block tries to deduce configuration from header-defined symbols and defaults */
168		180
		181	#ifndef EV_USE_CLOCK_SYSCALL
		182	# if __linux && __GLIBC__ >= 2
		183	# define EV_USE_CLOCK_SYSCALL 1
		184	# else
		185	# define EV_USE_CLOCK_SYSCALL 0
		186	# endif
		187	#endif
		188
169	#ifndef EV_USE_MONOTONIC	189	#ifndef EV_USE_MONOTONIC
170	# if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0	190	# if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0
171	# define EV_USE_MONOTONIC 1	191	# define EV_USE_MONOTONIC 1
172	# else	192	# else
173	# define EV_USE_MONOTONIC 0	193	# define EV_USE_MONOTONIC 0
174	# endif	194	# endif
175	#endif	195	#endif
176		196
177	#ifndef EV_USE_REALTIME	197	#ifndef EV_USE_REALTIME
178	# define EV_USE_REALTIME 0	198	# define EV_USE_REALTIME !EV_USE_CLOCK_SYSCALL
179	#endif	199	#endif
180		200
181	#ifndef EV_USE_NANOSLEEP	201	#ifndef EV_USE_NANOSLEEP
182	# if _POSIX_C_SOURCE >= 199309L	202	# if _POSIX_C_SOURCE >= 199309L
183	# define EV_USE_NANOSLEEP 1	203	# define EV_USE_NANOSLEEP 1
…		…
286	# include <sys/select.h>	306	# include <sys/select.h>
287	# endif	307	# endif
288	#endif	308	#endif
289		309
290	#if EV_USE_INOTIFY	310	#if EV_USE_INOTIFY
		311	# include <sys/utsname.h>
		312	# include <sys/statfs.h>
291	# include <sys/inotify.h>	313	# include <sys/inotify.h>
		314	/* some very old inotify.h headers don't have IN_DONT_FOLLOW */
		315	# ifndef IN_DONT_FOLLOW
		316	# undef EV_USE_INOTIFY
		317	# define EV_USE_INOTIFY 0
		318	# endif
292	#endif	319	#endif
293		320
294	#if EV_SELECT_IS_WINSOCKET	321	#if EV_SELECT_IS_WINSOCKET
295	# include <winsock.h>	322	# include <winsock.h>
		323	#endif
		324
		325	/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */
		326	/* which makes programs even slower. might work on other unices, too. */
		327	#if EV_USE_CLOCK_SYSCALL
		328	# include <syscall.h>
		329	# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))
		330	# undef EV_USE_MONOTONIC
		331	# define EV_USE_MONOTONIC 1
296	#endif	332	#endif
297		333
298	#if EV_USE_EVENTFD	334	#if EV_USE_EVENTFD
299	/* our minimum requirement is glibc 2.7 which has the stub, but not the header */	335	/* our minimum requirement is glibc 2.7 which has the stub, but not the header */
300	# include <stdint.h>	336	# include <stdint.h>
…		…
361	typedef ev_watcher_time *WT;	397	typedef ev_watcher_time *WT;
362		398
363	#define ev_active(w) ((W)(w))->active	399	#define ev_active(w) ((W)(w))->active
364	#define ev_at(w) ((WT)(w))->at	400	#define ev_at(w) ((WT)(w))->at
365		401
366	#if EV_USE_MONOTONIC	402	#if EV_USE_REALTIME
367	/* sig_atomic_t is used to avoid per-thread variables or locking but still */	403	/* sig_atomic_t is used to avoid per-thread variables or locking but still */
368	/* giving it a reasonably high chance of working on typical architetcures */	404	/* giving it a reasonably high chance of working on typical architetcures */
		405	static EV_ATOMIC_T have_realtime; /* did clock_gettime (CLOCK_REALTIME) work? */
		406	#endif
		407
		408	#if EV_USE_MONOTONIC
369	static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */	409	static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */
370	#endif	410	#endif
371		411
372	#ifdef _WIN32	412	#ifdef _WIN32
373	# include "ev_win32.c"	413	# include "ev_win32.c"
…		…
382	{	422	{
383	syserr_cb = cb;	423	syserr_cb = cb;
384	}	424	}
385		425
386	static void noinline	426	static void noinline
387	syserr (const char *msg)	427	ev_syserr (const char *msg)
388	{	428	{
389	if (!msg)	429	if (!msg)
390	msg = "(libev) system error";	430	msg = "(libev) system error";
391		431
392	if (syserr_cb)	432	if (syserr_cb)
…		…
443	typedef struct	483	typedef struct
444	{	484	{
445	WL head;	485	WL head;
446	unsigned char events;	486	unsigned char events;
447	unsigned char reify;	487	unsigned char reify;
		488	unsigned char emask; /* the epoll backend stores the actual kernel mask in here */
		489	unsigned char unused;
		490	#if EV_USE_EPOLL
		491	unsigned int egen; /* generation counter to counter epoll bugs */
		492	#endif
448	#if EV_SELECT_IS_WINSOCKET	493	#if EV_SELECT_IS_WINSOCKET
449	SOCKET handle;	494	SOCKET handle;
450	#endif	495	#endif
451	} ANFD;	496	} ANFD;
452		497
…		…
512		557
513	ev_tstamp	558	ev_tstamp
514	ev_time (void)	559	ev_time (void)
515	{	560	{
516	#if EV_USE_REALTIME	561	#if EV_USE_REALTIME
		562	if (expect_true (have_realtime))
		563	{
517	struct timespec ts;	564	struct timespec ts;
518	clock_gettime (CLOCK_REALTIME, &ts);	565	clock_gettime (CLOCK_REALTIME, &ts);
519	return ts.tv_sec + ts.tv_nsec * 1e-9;	566	return ts.tv_sec + ts.tv_nsec * 1e-9;
520	#else	567	}
		568	#endif
		569
521	struct timeval tv;	570	struct timeval tv;
522	gettimeofday (&tv, 0);	571	gettimeofday (&tv, 0);
523	return tv.tv_sec + tv.tv_usec * 1e-6;	572	return tv.tv_sec + tv.tv_usec * 1e-6;
524	#endif
525	}	573	}
526		574
527	ev_tstamp inline_size	575	ev_tstamp inline_size
528	get_clock (void)	576	get_clock (void)
529	{	577	{
…		…
604	array_realloc (int elem, void base, int cur, int cnt)	652	array_realloc (int elem, void base, int cur, int cnt)
605	{	653	{
606	cur = array_nextsize (elem, cur, cnt);	654	cur = array_nextsize (elem, cur, cnt);
607	return ev_realloc (base, elem * *cur);	655	return ev_realloc (base, elem * *cur);
608	}	656	}
		657
		658	#define array_init_zero(base,count) \
		659	memset ((void )(base), 0, sizeof ((base)) * (count))
609		660
610	#define array_needsize(type,base,cur,cnt,init) \	661	#define array_needsize(type,base,cur,cnt,init) \
611	if (expect_false ((cnt) > (cur))) \	662	if (expect_false ((cnt) > (cur))) \
612	{ \	663	{ \
613	int ocur_ = (cur); \	664	int ocur_ = (cur); \
…		…
656	for (i = 0; i < eventcnt; ++i)	707	for (i = 0; i < eventcnt; ++i)
657	ev_feed_event (EV_A_ events [i], type);	708	ev_feed_event (EV_A_ events [i], type);
658	}	709	}
659		710
660	/*****************************************************************************/	711	/*****************************************************************************/
661
662	void inline_size
663	anfds_init (ANFD *base, int count)
664	{
665	while (count--)
666	{
667	base->head = 0;
668	base->events = EV_NONE;
669	base->reify = 0;
670
671	++base;
672	}
673	}
674		712
675	void inline_speed	713	void inline_speed
676	fd_event (EV_P_ int fd, int revents)	714	fd_event (EV_P_ int fd, int revents)
677	{	715	{
678	ANFD *anfd = anfds + fd;	716	ANFD *anfd = anfds + fd;
…		…
717	#ifdef EV_FD_TO_WIN32_HANDLE	755	#ifdef EV_FD_TO_WIN32_HANDLE
718	anfd->handle = EV_FD_TO_WIN32_HANDLE (fd);	756	anfd->handle = EV_FD_TO_WIN32_HANDLE (fd);
719	#else	757	#else
720	anfd->handle = _get_osfhandle (fd);	758	anfd->handle = _get_osfhandle (fd);
721	#endif	759	#endif
722	assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0));	760	assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0));
723	}	761	}
724	#endif	762	#endif
725		763
726	{	764	{
727	unsigned char o_events = anfd->events;	765	unsigned char o_events = anfd->events;
…		…
808		846
809	for (fd = 0; fd < anfdmax; ++fd)	847	for (fd = 0; fd < anfdmax; ++fd)
810	if (anfds [fd].events)	848	if (anfds [fd].events)
811	{	849	{
812	anfds [fd].events = 0;	850	anfds [fd].events = 0;
		851	anfds [fd].emask = 0;
813	fd_change (EV_A_ fd, EV_IOFDSET \| 1);	852	fd_change (EV_A_ fd, EV_IOFDSET \| 1);
814	}	853	}
815	}	854	}
816		855
817	/*****************************************************************************/	856	/*****************************************************************************/
…		…
969	static ANSIG *signals;	1008	static ANSIG *signals;
970	static int signalmax;	1009	static int signalmax;
971		1010
972	static EV_ATOMIC_T gotsig;	1011	static EV_ATOMIC_T gotsig;
973		1012
974	void inline_size
975	signals_init (ANSIG *base, int count)
976	{
977	while (count--)
978	{
979	base->head = 0;
980	base->gotsig = 0;
981
982	++base;
983	}
984	}
985
986	/*****************************************************************************/	1013	/*****************************************************************************/
987		1014
988	void inline_speed	1015	void inline_speed
989	fd_intern (int fd)	1016	fd_intern (int fd)
990	{	1017	{
…		…
1011	}	1038	}
1012	else	1039	else
1013	#endif	1040	#endif
1014	{	1041	{
1015	while (pipe (evpipe))	1042	while (pipe (evpipe))
1016	syserr ("(libev) error creating signal/async pipe");	1043	ev_syserr ("(libev) error creating signal/async pipe");
1017		1044
1018	fd_intern (evpipe [0]);	1045	fd_intern (evpipe [0]);
1019	fd_intern (evpipe [1]);	1046	fd_intern (evpipe [1]);
1020	ev_io_set (&pipeev, evpipe [0], EV_READ);	1047	ev_io_set (&pipeev, evpipe [0], EV_READ);
1021	}	1048	}
…		…
1111	ev_feed_signal_event (EV_P_ int signum)	1138	ev_feed_signal_event (EV_P_ int signum)
1112	{	1139	{
1113	WL w;	1140	WL w;
1114		1141
1115	#if EV_MULTIPLICITY	1142	#if EV_MULTIPLICITY
1116	assert (("feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr));	1143	assert (("libev: feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr));
1117	#endif	1144	#endif
1118		1145
1119	--signum;	1146	--signum;
1120		1147
1121	if (signum < 0 \|\| signum >= signalmax)	1148	if (signum < 0 \|\| signum >= signalmax)
…		…
1250	/* kqueue is borked on everything but netbsd apparently */	1277	/* kqueue is borked on everything but netbsd apparently */
1251	/* it usually doesn't work correctly on anything but sockets and pipes */	1278	/* it usually doesn't work correctly on anything but sockets and pipes */
1252	flags &= ~EVBACKEND_KQUEUE;	1279	flags &= ~EVBACKEND_KQUEUE;
1253	#endif	1280	#endif
1254	#ifdef __APPLE__	1281	#ifdef __APPLE__
1255	// flags &= ~EVBACKEND_KQUEUE; for documentation	1282	/* only select works correctly on that "unix-certified" platform */
1256	flags &= ~EVBACKEND_POLL;	1283	flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */
		1284	flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */
1257	#endif	1285	#endif
1258		1286
1259	return flags;	1287	return flags;
1260	}	1288	}
1261		1289
…		…
1298	static void noinline	1326	static void noinline
1299	loop_init (EV_P_ unsigned int flags)	1327	loop_init (EV_P_ unsigned int flags)
1300	{	1328	{
1301	if (!backend)	1329	if (!backend)
1302	{	1330	{
		1331	#if EV_USE_REALTIME
		1332	if (!have_realtime)
		1333	{
		1334	struct timespec ts;
		1335
		1336	if (!clock_gettime (CLOCK_REALTIME, &ts))
		1337	have_realtime = 1;
		1338	}
		1339	#endif
		1340
1303	#if EV_USE_MONOTONIC	1341	#if EV_USE_MONOTONIC
		1342	if (!have_monotonic)
1304	{	1343	{
1305	struct timespec ts;	1344	struct timespec ts;
		1345
1306	if (!clock_gettime (CLOCK_MONOTONIC, &ts))	1346	if (!clock_gettime (CLOCK_MONOTONIC, &ts))
1307	have_monotonic = 1;	1347	have_monotonic = 1;
1308	}	1348	}
1309	#endif	1349	#endif
1310		1350
1311	ev_rt_now = ev_time ();	1351	ev_rt_now = ev_time ();
1312	mn_now = get_clock ();	1352	mn_now = get_clock ();
1313	now_floor = mn_now;	1353	now_floor = mn_now;
…		…
1514		1554
1515	#if EV_VERIFY	1555	#if EV_VERIFY
1516	static void noinline	1556	static void noinline
1517	verify_watcher (EV_P_ W w)	1557	verify_watcher (EV_P_ W w)
1518	{	1558	{
1519	assert (("watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI));	1559	assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI));
1520		1560
1521	if (w->pending)	1561	if (w->pending)
1522	assert (("pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w));	1562	assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w));
1523	}	1563	}
1524		1564
1525	static void noinline	1565	static void noinline
1526	verify_heap (EV_P_ ANHE *heap, int N)	1566	verify_heap (EV_P_ ANHE *heap, int N)
1527	{	1567	{
1528	int i;	1568	int i;
1529		1569
1530	for (i = HEAP0; i < N + HEAP0; ++i)	1570	for (i = HEAP0; i < N + HEAP0; ++i)
1531	{	1571	{
1532	assert (("active index mismatch in heap", ev_active (ANHE_w (heap [i])) == i));	1572	assert (("libev: active index mismatch in heap", ev_active (ANHE_w (heap [i])) == i));
1533	assert (("heap condition violated", i == HEAP0 \|\| ANHE_at (heap [HPARENT (i)]) <= ANHE_at (heap [i])));	1573	assert (("libev: heap condition violated", i == HEAP0 \|\| ANHE_at (heap [HPARENT (i)]) <= ANHE_at (heap [i])));
1534	assert (("heap at cache mismatch", ANHE_at (heap [i]) == ev_at (ANHE_w (heap [i]))));	1574	assert (("libev: heap at cache mismatch", ANHE_at (heap [i]) == ev_at (ANHE_w (heap [i]))));
1535		1575
1536	verify_watcher (EV_A_ (W)ANHE_w (heap [i]));	1576	verify_watcher (EV_A_ (W)ANHE_w (heap [i]));
1537	}	1577	}
1538	}	1578	}
1539		1579
1540	static void noinline	1580	static void noinline
1541	array_verify (EV_P_ W *ws, int cnt)	1581	array_verify (EV_P_ W *ws, int cnt)
1542	{	1582	{
1543	while (cnt--)	1583	while (cnt--)
1544	{	1584	{
1545	assert (("active index mismatch", ev_active (ws [cnt]) == cnt + 1));	1585	assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1));
1546	verify_watcher (EV_A_ ws [cnt]);	1586	verify_watcher (EV_A_ ws [cnt]);
1547	}	1587	}
1548	}	1588	}
1549	#endif	1589	#endif
1550		1590
…		…
1557		1597
1558	assert (activecnt >= -1);	1598	assert (activecnt >= -1);
1559		1599
1560	assert (fdchangemax >= fdchangecnt);	1600	assert (fdchangemax >= fdchangecnt);
1561	for (i = 0; i < fdchangecnt; ++i)	1601	for (i = 0; i < fdchangecnt; ++i)
1562	assert (("negative fd in fdchanges", fdchanges [i] >= 0));	1602	assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));
1563		1603
1564	assert (anfdmax >= 0);	1604	assert (anfdmax >= 0);
1565	for (i = 0; i < anfdmax; ++i)	1605	for (i = 0; i < anfdmax; ++i)
1566	for (w = anfds [i].head; w; w = w->next)	1606	for (w = anfds [i].head; w; w = w->next)
1567	{	1607	{
1568	verify_watcher (EV_A_ (W)w);	1608	verify_watcher (EV_A_ (W)w);
1569	assert (("inactive fd watcher on anfd list", ev_active (w) == 1));	1609	assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1));
1570	assert (("fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i));	1610	assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i));
1571	}	1611	}
1572		1612
1573	assert (timermax >= timercnt);	1613	assert (timermax >= timercnt);
1574	verify_heap (EV_A_ timers, timercnt);	1614	verify_heap (EV_A_ timers, timercnt);
1575		1615
…		…
1652	{	1692	{
1653	#if EV_MULTIPLICITY	1693	#if EV_MULTIPLICITY
1654	struct ev_loop *loop = ev_default_loop_ptr;	1694	struct ev_loop *loop = ev_default_loop_ptr;
1655	#endif	1695	#endif
1656		1696
		1697	ev_default_loop_ptr = 0;
		1698
1657	#ifndef _WIN32	1699	#ifndef _WIN32
1658	ev_ref (EV_A); /* child watcher */	1700	ev_ref (EV_A); /* child watcher */
1659	ev_signal_stop (EV_A_ &childev);	1701	ev_signal_stop (EV_A_ &childev);
1660	#endif	1702	#endif
1661		1703
…		…
1667	{	1709	{
1668	#if EV_MULTIPLICITY	1710	#if EV_MULTIPLICITY
1669	struct ev_loop *loop = ev_default_loop_ptr;	1711	struct ev_loop *loop = ev_default_loop_ptr;
1670	#endif	1712	#endif
1671		1713
1672	if (backend)
1673	postfork = 1; /* must be in line with ev_loop_fork */	1714	postfork = 1; /* must be in line with ev_loop_fork */
1674	}	1715	}
1675		1716
1676	/*****************************************************************************/	1717	/*****************************************************************************/
1677		1718
1678	void	1719	void
…		…
1691	{	1732	{
1692	ANPENDING *p = pendings [pri] + --pendingcnt [pri];	1733	ANPENDING *p = pendings [pri] + --pendingcnt [pri];
1693		1734
1694	if (expect_true (p->w))	1735	if (expect_true (p->w))
1695	{	1736	{
1696	/assert (("non-pending watcher on pending list", p->w->pending));/	1737	/assert (("libev: non-pending watcher on pending list", p->w->pending));/
1697		1738
1698	p->w->pending = 0;	1739	p->w->pending = 0;
1699	EV_CB_INVOKE (p->w, p->events);	1740	EV_CB_INVOKE (p->w, p->events);
1700	EV_FREQUENT_CHECK;	1741	EV_FREQUENT_CHECK;
1701	}	1742	}
…		…
1732		1773
1733	while (timercnt && ANHE_at (timers [HEAP0]) < mn_now)	1774	while (timercnt && ANHE_at (timers [HEAP0]) < mn_now)
1734	{	1775	{
1735	ev_timer w = (ev_timer )ANHE_w (timers [HEAP0]);	1776	ev_timer w = (ev_timer )ANHE_w (timers [HEAP0]);
1736		1777
1737	/assert (("inactive timer on timer heap detected", ev_is_active (w)));/	1778	/assert (("libev: inactive timer on timer heap detected", ev_is_active (w)));/
1738		1779
1739	/* first reschedule or stop timer */	1780	/* first reschedule or stop timer */
1740	if (w->repeat)	1781	if (w->repeat)
1741	{	1782	{
1742	ev_at (w) += w->repeat;	1783	ev_at (w) += w->repeat;
1743	if (ev_at (w) < mn_now)	1784	if (ev_at (w) < mn_now)
1744	ev_at (w) = mn_now;	1785	ev_at (w) = mn_now;
1745		1786
1746	assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));	1787	assert (("libev: negative ev_timer repeat value found while processing timers", w->repeat > 0.));
1747		1788
1748	ANHE_at_cache (timers [HEAP0]);	1789	ANHE_at_cache (timers [HEAP0]);
1749	downheap (timers, timercnt, HEAP0);	1790	downheap (timers, timercnt, HEAP0);
1750	}	1791	}
1751	else	1792	else
…		…
1764		1805
1765	while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)	1806	while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)
1766	{	1807	{
1767	ev_periodic w = (ev_periodic )ANHE_w (periodics [HEAP0]);	1808	ev_periodic w = (ev_periodic )ANHE_w (periodics [HEAP0]);
1768		1809
1769	/assert (("inactive timer on periodic heap detected", ev_is_active (w)));/	1810	/assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));/
1770		1811
1771	/* first reschedule or stop timer */	1812	/* first reschedule or stop timer */
1772	if (w->reschedule_cb)	1813	if (w->reschedule_cb)
1773	{	1814	{
1774	ev_at (w) = w->reschedule_cb (w, ev_rt_now);	1815	ev_at (w) = w->reschedule_cb (w, ev_rt_now);
1775		1816
1776	assert (("ev_periodic reschedule callback returned time in the past", ev_at (w) >= ev_rt_now));	1817	assert (("libev: ev_periodic reschedule callback returned time in the past", ev_at (w) >= ev_rt_now));
1777		1818
1778	ANHE_at_cache (periodics [HEAP0]);	1819	ANHE_at_cache (periodics [HEAP0]);
1779	downheap (periodics, periodiccnt, HEAP0);	1820	downheap (periodics, periodiccnt, HEAP0);
1780	}	1821	}
1781	else if (w->interval)	1822	else if (w->interval)
…		…
1909	ev_unref (EV_P)	1950	ev_unref (EV_P)
1910	{	1951	{
1911	--activecnt;	1952	--activecnt;
1912	}	1953	}
1913		1954
		1955	void
		1956	ev_now_update (EV_P)
		1957	{
		1958	time_update (EV_A_ 1e100);
		1959	}
		1960
1914	static int loop_done;	1961	static int loop_done;
1915		1962
1916	void	1963	void
1917	ev_loop (EV_P_ int flags)	1964	ev_loop (EV_P_ int flags)
1918	{	1965	{
…		…
2126	int fd = w->fd;	2173	int fd = w->fd;
2127		2174
2128	if (expect_false (ev_is_active (w)))	2175	if (expect_false (ev_is_active (w)))
2129	return;	2176	return;
2130		2177
2131	assert (("ev_io_start called with negative fd", fd >= 0));	2178	assert (("libev: ev_io_start called with negative fd", fd >= 0));
		2179	assert (("libev: ev_io start called with illegal event mask", !(w->events & ~(EV_IOFDSET \| EV_READ \| EV_WRITE))));
2132		2180
2133	EV_FREQUENT_CHECK;	2181	EV_FREQUENT_CHECK;
2134		2182
2135	ev_start (EV_A_ (W)w, 1);	2183	ev_start (EV_A_ (W)w, 1);
2136	array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init);	2184	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);
2137	wlist_add (&anfds[fd].head, (WL)w);	2185	wlist_add (&anfds[fd].head, (WL)w);
2138		2186
2139	fd_change (EV_A_ fd, w->events & EV_IOFDSET \| 1);	2187	fd_change (EV_A_ fd, w->events & EV_IOFDSET \| 1);
2140	w->events &= ~EV_IOFDSET;	2188	w->events &= ~EV_IOFDSET;
2141		2189
…		…
2147	{	2195	{
2148	clear_pending (EV_A_ (W)w);	2196	clear_pending (EV_A_ (W)w);
2149	if (expect_false (!ev_is_active (w)))	2197	if (expect_false (!ev_is_active (w)))
2150	return;	2198	return;
2151		2199
2152	assert (("ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));	2200	assert (("libev: ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));
2153		2201
2154	EV_FREQUENT_CHECK;	2202	EV_FREQUENT_CHECK;
2155		2203
2156	wlist_del (&anfds[w->fd].head, (WL)w);	2204	wlist_del (&anfds[w->fd].head, (WL)w);
2157	ev_stop (EV_A_ (W)w);	2205	ev_stop (EV_A_ (W)w);
…		…
2167	if (expect_false (ev_is_active (w)))	2215	if (expect_false (ev_is_active (w)))
2168	return;	2216	return;
2169		2217
2170	ev_at (w) += mn_now;	2218	ev_at (w) += mn_now;
2171		2219
2172	assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));	2220	assert (("libev: ev_timer_start called with negative timer repeat value", w->repeat >= 0.));
2173		2221
2174	EV_FREQUENT_CHECK;	2222	EV_FREQUENT_CHECK;
2175		2223
2176	++timercnt;	2224	++timercnt;
2177	ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1);	2225	ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1);
…		…
2180	ANHE_at_cache (timers [ev_active (w)]);	2228	ANHE_at_cache (timers [ev_active (w)]);
2181	upheap (timers, ev_active (w));	2229	upheap (timers, ev_active (w));
2182		2230
2183	EV_FREQUENT_CHECK;	2231	EV_FREQUENT_CHECK;
2184		2232
2185	/assert (("internal timer heap corruption", timers [ev_active (w)] == (WT)w));/	2233	/assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));/
2186	}	2234	}
2187		2235
2188	void noinline	2236	void noinline
2189	ev_timer_stop (EV_P_ ev_timer *w)	2237	ev_timer_stop (EV_P_ ev_timer *w)
2190	{	2238	{
…		…
2195	EV_FREQUENT_CHECK;	2243	EV_FREQUENT_CHECK;
2196		2244
2197	{	2245	{
2198	int active = ev_active (w);	2246	int active = ev_active (w);
2199		2247
2200	assert (("internal timer heap corruption", ANHE_w (timers [active]) == (WT)w));	2248	assert (("libev: internal timer heap corruption", ANHE_w (timers [active]) == (WT)w));
2201		2249
2202	--timercnt;	2250	--timercnt;
2203		2251
2204	if (expect_true (active < timercnt + HEAP0))	2252	if (expect_true (active < timercnt + HEAP0))
2205	{	2253	{
…		…
2249		2297
2250	if (w->reschedule_cb)	2298	if (w->reschedule_cb)
2251	ev_at (w) = w->reschedule_cb (w, ev_rt_now);	2299	ev_at (w) = w->reschedule_cb (w, ev_rt_now);
2252	else if (w->interval)	2300	else if (w->interval)
2253	{	2301	{
2254	assert (("ev_periodic_start called with negative interval value", w->interval >= 0.));	2302	assert (("libev: ev_periodic_start called with negative interval value", w->interval >= 0.));
2255	/* this formula differs from the one in periodic_reify because we do not always round up */	2303	/* this formula differs from the one in periodic_reify because we do not always round up */
2256	ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;	2304	ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
2257	}	2305	}
2258	else	2306	else
2259	ev_at (w) = w->offset;	2307	ev_at (w) = w->offset;
…		…
2267	ANHE_at_cache (periodics [ev_active (w)]);	2315	ANHE_at_cache (periodics [ev_active (w)]);
2268	upheap (periodics, ev_active (w));	2316	upheap (periodics, ev_active (w));
2269		2317
2270	EV_FREQUENT_CHECK;	2318	EV_FREQUENT_CHECK;
2271		2319
2272	/assert (("internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));/	2320	/assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));/
2273	}	2321	}
2274		2322
2275	void noinline	2323	void noinline
2276	ev_periodic_stop (EV_P_ ev_periodic *w)	2324	ev_periodic_stop (EV_P_ ev_periodic *w)
2277	{	2325	{
…		…
2282	EV_FREQUENT_CHECK;	2330	EV_FREQUENT_CHECK;
2283		2331
2284	{	2332	{
2285	int active = ev_active (w);	2333	int active = ev_active (w);
2286		2334
2287	assert (("internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w));	2335	assert (("libev: internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w));
2288		2336
2289	--periodiccnt;	2337	--periodiccnt;
2290		2338
2291	if (expect_true (active < periodiccnt + HEAP0))	2339	if (expect_true (active < periodiccnt + HEAP0))
2292	{	2340	{
…		…
2315		2363
2316	void noinline	2364	void noinline
2317	ev_signal_start (EV_P_ ev_signal *w)	2365	ev_signal_start (EV_P_ ev_signal *w)
2318	{	2366	{
2319	#if EV_MULTIPLICITY	2367	#if EV_MULTIPLICITY
2320	assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr));	2368	assert (("libev: signal watchers are only supported in the default loop", loop == ev_default_loop_ptr));
2321	#endif	2369	#endif
2322	if (expect_false (ev_is_active (w)))	2370	if (expect_false (ev_is_active (w)))
2323	return;	2371	return;
2324		2372
2325	assert (("ev_signal_start called with illegal signal number", w->signum > 0));	2373	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0));
2326		2374
2327	evpipe_init (EV_A);	2375	evpipe_init (EV_A);
2328		2376
2329	EV_FREQUENT_CHECK;	2377	EV_FREQUENT_CHECK;
2330		2378
…		…
2333	sigset_t full, prev;	2381	sigset_t full, prev;
2334	sigfillset (&full);	2382	sigfillset (&full);
2335	sigprocmask (SIG_SETMASK, &full, &prev);	2383	sigprocmask (SIG_SETMASK, &full, &prev);
2336	#endif	2384	#endif
2337		2385
2338	array_needsize (ANSIG, signals, signalmax, w->signum, signals_init);	2386	array_needsize (ANSIG, signals, signalmax, w->signum, array_init_zero);
2339		2387
2340	#ifndef _WIN32	2388	#ifndef _WIN32
2341	sigprocmask (SIG_SETMASK, &prev, 0);	2389	sigprocmask (SIG_SETMASK, &prev, 0);
2342	#endif	2390	#endif
2343	}	2391	}
…		…
2381		2429
2382	void	2430	void
2383	ev_child_start (EV_P_ ev_child *w)	2431	ev_child_start (EV_P_ ev_child *w)
2384	{	2432	{
2385	#if EV_MULTIPLICITY	2433	#if EV_MULTIPLICITY
2386	assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr));	2434	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
2387	#endif	2435	#endif
2388	if (expect_false (ev_is_active (w)))	2436	if (expect_false (ev_is_active (w)))
2389	return;	2437	return;
2390		2438
2391	EV_FREQUENT_CHECK;	2439	EV_FREQUENT_CHECK;
…		…
2416	# ifdef _WIN32	2464	# ifdef _WIN32
2417	# undef lstat	2465	# undef lstat
2418	# define lstat(a,b) _stati64 (a,b)	2466	# define lstat(a,b) _stati64 (a,b)
2419	# endif	2467	# endif
2420		2468
2421	#define DEF_STAT_INTERVAL 5.0074891	2469	#define DEF_STAT_INTERVAL 5.0074891
		2470	#define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */
2422	#define MIN_STAT_INTERVAL 0.1074891	2471	#define MIN_STAT_INTERVAL 0.1074891
2423		2472
2424	static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents);	2473	static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents);
2425		2474
2426	#if EV_USE_INOTIFY	2475	#if EV_USE_INOTIFY
2427	# define EV_INOTIFY_BUFSIZE 8192	2476	# define EV_INOTIFY_BUFSIZE 8192
…		…
2431	{	2480	{
2432	w->wd = inotify_add_watch (fs_fd, w->path, IN_ATTRIB \| IN_DELETE_SELF \| IN_MOVE_SELF \| IN_MODIFY \| IN_DONT_FOLLOW \| IN_MASK_ADD);	2481	w->wd = inotify_add_watch (fs_fd, w->path, IN_ATTRIB \| IN_DELETE_SELF \| IN_MOVE_SELF \| IN_MODIFY \| IN_DONT_FOLLOW \| IN_MASK_ADD);
2433		2482
2434	if (w->wd < 0)	2483	if (w->wd < 0)
2435	{	2484	{
		2485	w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;
2436	ev_timer_start (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */	2486	ev_timer_again (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */
2437		2487
2438	/* monitor some parent directory for speedup hints */	2488	/* monitor some parent directory for speedup hints */
2439	/* note that exceeding the hardcoded limit is not a correctness issue, */	2489	/* note that exceeding the hardcoded path limit is not a correctness issue, */
2440	/* but an efficiency issue only */	2490	/* but an efficiency issue only */
2441	if ((errno == ENOENT \|\| errno == EACCES) && strlen (w->path) < 4096)	2491	if ((errno == ENOENT \|\| errno == EACCES) && strlen (w->path) < 4096)
2442	{	2492	{
2443	char path [4096];	2493	char path [4096];
2444	strcpy (path, w->path);	2494	strcpy (path, w->path);
…		…
2448	int mask = IN_MASK_ADD \| IN_DELETE_SELF \| IN_MOVE_SELF	2498	int mask = IN_MASK_ADD \| IN_DELETE_SELF \| IN_MOVE_SELF
2449	\| (errno == EACCES ? IN_ATTRIB : IN_CREATE \| IN_MOVED_TO);	2499	\| (errno == EACCES ? IN_ATTRIB : IN_CREATE \| IN_MOVED_TO);
2450		2500
2451	char *pend = strrchr (path, '/');	2501	char *pend = strrchr (path, '/');
2452		2502
2453	if (!pend)	2503	if (!pend \|\| pend == path)
2454	break; /* whoops, no '/', complain to your admin */	2504	break;
2455		2505
2456	*pend = 0;	2506	*pend = 0;
2457	w->wd = inotify_add_watch (fs_fd, path, mask);	2507	w->wd = inotify_add_watch (fs_fd, path, mask);
2458	}	2508	}
2459	while (w->wd < 0 && (errno == ENOENT \|\| errno == EACCES));	2509	while (w->wd < 0 && (errno == ENOENT \|\| errno == EACCES));
2460	}	2510	}
2461	}	2511	}
2462	else
2463	ev_timer_stop (EV_A_ &w->timer); /* we can watch this in a race-free way */
2464		2512
2465	if (w->wd >= 0)	2513	if (w->wd >= 0)
		2514	{
2466	wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w);	2515	wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w);
		2516
		2517	/* now local changes will be tracked by inotify, but remote changes won't */
		2518	/* unless the filesystem it known to be local, we therefore still poll */
		2519	/* also do poll on <2.6.25, but with normal frequency */
		2520	struct statfs sfs;
		2521
		2522	if (fs_2625 && !statfs (w->path, &sfs))
		2523	if (sfs.f_type == 0x1373 /* devfs */
		2524	\|\| sfs.f_type == 0xEF53 /* ext2/3 */
		2525	\|\| sfs.f_type == 0x3153464a /* jfs */
		2526	\|\| sfs.f_type == 0x52654973 /* reiser3 */
		2527	\|\| sfs.f_type == 0x01021994 /* tempfs */
		2528	\|\| sfs.f_type == 0x58465342 /* xfs */)
		2529	return;
		2530
		2531	w->timer.repeat = w->interval ? w->interval : fs_2625 ? NFS_STAT_INTERVAL : DEF_STAT_INTERVAL;
		2532	ev_timer_again (EV_A_ &w->timer);
		2533	}
2467	}	2534	}
2468		2535
2469	static void noinline	2536	static void noinline
2470	infy_del (EV_P_ ev_stat *w)	2537	infy_del (EV_P_ ev_stat *w)
2471	{	2538	{
…		…
2485		2552
2486	static void noinline	2553	static void noinline
2487	infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)	2554	infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)
2488	{	2555	{
2489	if (slot < 0)	2556	if (slot < 0)
2490	/* overflow, need to check for all hahs slots */	2557	/* overflow, need to check for all hash slots */
2491	for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot)	2558	for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot)
2492	infy_wd (EV_A_ slot, wd, ev);	2559	infy_wd (EV_A_ slot, wd, ev);
2493	else	2560	else
2494	{	2561	{
2495	WL w_;	2562	WL w_;
…		…
2501		2568
2502	if (w->wd == wd \|\| wd == -1)	2569	if (w->wd == wd \|\| wd == -1)
2503	{	2570	{
2504	if (ev->mask & (IN_IGNORED \| IN_UNMOUNT \| IN_DELETE_SELF))	2571	if (ev->mask & (IN_IGNORED \| IN_UNMOUNT \| IN_DELETE_SELF))
2505	{	2572	{
		2573	wlist_del (&fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w);
2506	w->wd = -1;	2574	w->wd = -1;
2507	infy_add (EV_A_ w); /* re-add, no matter what */	2575	infy_add (EV_A_ w); /* re-add, no matter what */
2508	}	2576	}
2509		2577
2510	stat_timer_cb (EV_A_ &w->timer, 0);	2578	stat_timer_cb (EV_A_ &w->timer, 0);
…		…
2524	for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len)	2592	for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len)
2525	infy_wd (EV_A_ ev->wd, ev->wd, ev);	2593	infy_wd (EV_A_ ev->wd, ev->wd, ev);
2526	}	2594	}
2527		2595
2528	void inline_size	2596	void inline_size
		2597	check_2625 (EV_P)
		2598	{
		2599	/* kernels < 2.6.25 are borked
		2600	* http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html
		2601	*/
		2602	struct utsname buf;
		2603	int major, minor, micro;
		2604
		2605	if (uname (&buf))
		2606	return;
		2607
		2608	if (sscanf (buf.release, "%d.%d.%d", &major, &minor, &micro) != 3)
		2609	return;
		2610
		2611	if (major < 2
		2612	\|\| (major == 2 && minor < 6)
		2613	\|\| (major == 2 && minor == 6 && micro < 25))
		2614	return;
		2615
		2616	fs_2625 = 1;
		2617	}
		2618
		2619	void inline_size
2529	infy_init (EV_P)	2620	infy_init (EV_P)
2530	{	2621	{
2531	if (fs_fd != -2)	2622	if (fs_fd != -2)
2532	return;	2623	return;
		2624
		2625	fs_fd = -1;
		2626
		2627	check_2625 (EV_A);
2533		2628
2534	fs_fd = inotify_init ();	2629	fs_fd = inotify_init ();
2535		2630
2536	if (fs_fd >= 0)	2631	if (fs_fd >= 0)
2537	{	2632	{
…		…
2565	w->wd = -1;	2660	w->wd = -1;
2566		2661
2567	if (fs_fd >= 0)	2662	if (fs_fd >= 0)
2568	infy_add (EV_A_ w); /* re-add, no matter what */	2663	infy_add (EV_A_ w); /* re-add, no matter what */
2569	else	2664	else
2570	ev_timer_start (EV_A_ &w->timer);	2665	ev_timer_again (EV_A_ &w->timer);
2571	}	2666	}
2572
2573	}	2667	}
2574	}	2668	}
2575		2669
2576	#endif	2670	#endif
2577		2671
…		…
2613	\|\| w->prev.st_atime != w->attr.st_atime	2707	\|\| w->prev.st_atime != w->attr.st_atime
2614	\|\| w->prev.st_mtime != w->attr.st_mtime	2708	\|\| w->prev.st_mtime != w->attr.st_mtime
2615	\|\| w->prev.st_ctime != w->attr.st_ctime	2709	\|\| w->prev.st_ctime != w->attr.st_ctime
2616	) {	2710	) {
2617	#if EV_USE_INOTIFY	2711	#if EV_USE_INOTIFY
		2712	if (fs_fd >= 0)
		2713	{
2618	infy_del (EV_A_ w);	2714	infy_del (EV_A_ w);
2619	infy_add (EV_A_ w);	2715	infy_add (EV_A_ w);
2620	ev_stat_stat (EV_A_ w); /* avoid race... */	2716	ev_stat_stat (EV_A_ w); /* avoid race... */
		2717	}
2621	#endif	2718	#endif
2622		2719
2623	ev_feed_event (EV_A_ w, EV_STAT);	2720	ev_feed_event (EV_A_ w, EV_STAT);
2624	}	2721	}
2625	}	2722	}
…		…
2628	ev_stat_start (EV_P_ ev_stat *w)	2725	ev_stat_start (EV_P_ ev_stat *w)
2629	{	2726	{
2630	if (expect_false (ev_is_active (w)))	2727	if (expect_false (ev_is_active (w)))
2631	return;	2728	return;
2632		2729
2633	/* since we use memcmp, we need to clear any padding data etc. */
2634	memset (&w->prev, 0, sizeof (ev_statdata));
2635	memset (&w->attr, 0, sizeof (ev_statdata));
2636
2637	ev_stat_stat (EV_A_ w);	2730	ev_stat_stat (EV_A_ w);
2638		2731
		2732	if (w->interval < MIN_STAT_INTERVAL && w->interval)
2639	if (w->interval < MIN_STAT_INTERVAL)	2733	w->interval = MIN_STAT_INTERVAL;
2640	w->interval = w->interval ? MIN_STAT_INTERVAL : DEF_STAT_INTERVAL;
2641		2734
2642	ev_timer_init (&w->timer, stat_timer_cb, w->interval, w->interval);	2735	ev_timer_init (&w->timer, stat_timer_cb, 0., w->interval ? w->interval : DEF_STAT_INTERVAL);
2643	ev_set_priority (&w->timer, ev_priority (w));	2736	ev_set_priority (&w->timer, ev_priority (w));
2644		2737
2645	#if EV_USE_INOTIFY	2738	#if EV_USE_INOTIFY
2646	infy_init (EV_A);	2739	infy_init (EV_A);
2647		2740
2648	if (fs_fd >= 0)	2741	if (fs_fd >= 0)
2649	infy_add (EV_A_ w);	2742	infy_add (EV_A_ w);
2650	else	2743	else
2651	#endif	2744	#endif
2652	ev_timer_start (EV_A_ &w->timer);	2745	ev_timer_again (EV_A_ &w->timer);
2653		2746
2654	ev_start (EV_A_ (W)w, 1);	2747	ev_start (EV_A_ (W)w, 1);
2655		2748
2656	EV_FREQUENT_CHECK;	2749	EV_FREQUENT_CHECK;
2657	}	2750	}
…		…
2827	ev_loop (EV_A_ EVLOOP_NONBLOCK);	2920	ev_loop (EV_A_ EVLOOP_NONBLOCK);
2828	}	2921	}
2829	}	2922	}
2830	}	2923	}
2831		2924
		2925	static void
		2926	embed_fork_cb (EV_P_ ev_fork *fork_w, int revents)
		2927	{
		2928	ev_embed w = (ev_embed )(((char *)fork_w) - offsetof (ev_embed, fork));
		2929
		2930	ev_embed_stop (EV_A_ w);
		2931
		2932	{
		2933	struct ev_loop *loop = w->other;
		2934
		2935	ev_loop_fork (EV_A);
		2936	ev_loop (EV_A_ EVLOOP_NONBLOCK);
		2937	}
		2938
		2939	ev_embed_start (EV_A_ w);
		2940	}
		2941
2832	#if 0	2942	#if 0
2833	static void	2943	static void
2834	embed_idle_cb (EV_P_ ev_idle *idle, int revents)	2944	embed_idle_cb (EV_P_ ev_idle *idle, int revents)
2835	{	2945	{
2836	ev_idle_stop (EV_A_ idle);	2946	ev_idle_stop (EV_A_ idle);
…		…
2843	if (expect_false (ev_is_active (w)))	2953	if (expect_false (ev_is_active (w)))
2844	return;	2954	return;
2845		2955
2846	{	2956	{
2847	struct ev_loop *loop = w->other;	2957	struct ev_loop *loop = w->other;
2848	assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ()));	2958	assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ()));
2849	ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ);	2959	ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ);
2850	}	2960	}
2851		2961
2852	EV_FREQUENT_CHECK;	2962	EV_FREQUENT_CHECK;
2853		2963
…		…
2856		2966
2857	ev_prepare_init (&w->prepare, embed_prepare_cb);	2967	ev_prepare_init (&w->prepare, embed_prepare_cb);
2858	ev_set_priority (&w->prepare, EV_MINPRI);	2968	ev_set_priority (&w->prepare, EV_MINPRI);
2859	ev_prepare_start (EV_A_ &w->prepare);	2969	ev_prepare_start (EV_A_ &w->prepare);
2860		2970
		2971	ev_fork_init (&w->fork, embed_fork_cb);
		2972	ev_fork_start (EV_A_ &w->fork);
		2973
2861	/ev_idle_init (&w->idle, e,bed_idle_cb);/	2974	/ev_idle_init (&w->idle, e,bed_idle_cb);/
2862		2975
2863	ev_start (EV_A_ (W)w, 1);	2976	ev_start (EV_A_ (W)w, 1);
2864		2977
2865	EV_FREQUENT_CHECK;	2978	EV_FREQUENT_CHECK;
…		…
2872	if (expect_false (!ev_is_active (w)))	2985	if (expect_false (!ev_is_active (w)))
2873	return;	2986	return;
2874		2987
2875	EV_FREQUENT_CHECK;	2988	EV_FREQUENT_CHECK;
2876		2989
2877	ev_io_stop (EV_A_ &w->io);	2990	ev_io_stop (EV_A_ &w->io);
2878	ev_prepare_stop (EV_A_ &w->prepare);	2991	ev_prepare_stop (EV_A_ &w->prepare);
2879		2992	ev_fork_stop (EV_A_ &w->fork);
2880	ev_stop (EV_A_ (W)w);
2881		2993
2882	EV_FREQUENT_CHECK;	2994	EV_FREQUENT_CHECK;
2883	}	2995	}
2884	#endif	2996	#endif
2885		2997
…		…
2982	once_cb (EV_P_ struct ev_once *once, int revents)	3094	once_cb (EV_P_ struct ev_once *once, int revents)
2983	{	3095	{
2984	void (cb)(int revents, void arg) = once->cb;	3096	void (cb)(int revents, void arg) = once->cb;
2985	void *arg = once->arg;	3097	void *arg = once->arg;
2986		3098
2987	ev_io_stop (EV_A_ &once->io);	3099	ev_io_stop (EV_A_ &once->io);
2988	ev_timer_stop (EV_A_ &once->to);	3100	ev_timer_stop (EV_A_ &once->to);
2989	ev_free (once);	3101	ev_free (once);
2990		3102
2991	cb (revents, arg);	3103	cb (revents, arg);
2992	}	3104	}
2993		3105
2994	static void	3106	static void
2995	once_cb_io (EV_P_ ev_io *w, int revents)	3107	once_cb_io (EV_P_ ev_io *w, int revents)
2996	{	3108	{
2997	once_cb (EV_A_ (struct ev_once )(((char )w) - offsetof (struct ev_once, io)), revents);	3109	struct ev_once once = (struct ev_once )(((char *)w) - offsetof (struct ev_once, io));
		3110
		3111	once_cb (EV_A_ once, revents \| ev_clear_pending (EV_A_ &once->to));
2998	}	3112	}
2999		3113
3000	static void	3114	static void
3001	once_cb_to (EV_P_ ev_timer *w, int revents)	3115	once_cb_to (EV_P_ ev_timer *w, int revents)
3002	{	3116	{
3003	once_cb (EV_A_ (struct ev_once )(((char )w) - offsetof (struct ev_once, to)), revents);	3117	struct ev_once once = (struct ev_once )(((char *)w) - offsetof (struct ev_once, to));
		3118
		3119	once_cb (EV_A_ once, revents \| ev_clear_pending (EV_A_ &once->io));
3004	}	3120	}
3005		3121
3006	void	3122	void
3007	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (cb)(int revents, void arg), void *arg)	3123	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (cb)(int revents, void arg), void *arg)
3008	{	3124	{

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Comparing libev/ev.c (file contents): Revision 1.258 by root, Sun Sep 7 18:15:12 2008 UTC vs. Revision 1.279 by root, Fri Feb 6 20:17:43 2009 UTC

Diff Legend

Comparing libev/ev.c (file contents):
Revision 1.258 by root, Sun Sep 7 18:15:12 2008 UTC vs.
Revision 1.279 by root, Fri Feb 6 20:17:43 2009 UTC