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

Comparing libev/ev.c (file contents):
Revision 1.251 by root, Thu May 22 03:42:34 2008 UTC vs.
Revision 1.278 by root, Tue Jan 6 19:46:56 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
…		…
154	#ifndef _WIN32	166	#ifndef _WIN32
155	# include <sys/time.h>	167	# include <sys/time.h>
156	# include <sys/wait.h>	168	# include <sys/wait.h>
157	# include <unistd.h>	169	# include <unistd.h>
158	#else	170	#else
		171	# include <io.h>
159	# define WIN32_LEAN_AND_MEAN	172	# define WIN32_LEAN_AND_MEAN
160	# include <windows.h>	173	# include <windows.h>
161	# ifndef EV_SELECT_IS_WINSOCKET	174	# ifndef EV_SELECT_IS_WINSOCKET
162	# define EV_SELECT_IS_WINSOCKET 1	175	# define EV_SELECT_IS_WINSOCKET 1
163	# endif	176	# endif
164	#endif	177	#endif
165		178
166	/* 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 */
167		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
168	#ifndef EV_USE_MONOTONIC	189	#ifndef EV_USE_MONOTONIC
		190	# if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0
		191	# define EV_USE_MONOTONIC 1
		192	# else
169	# define EV_USE_MONOTONIC 0	193	# define EV_USE_MONOTONIC 0
		194	# endif
170	#endif	195	#endif
171		196
172	#ifndef EV_USE_REALTIME	197	#ifndef EV_USE_REALTIME
173	# define EV_USE_REALTIME 0	198	# define EV_USE_REALTIME 0
174	#endif	199	#endif
175		200
176	#ifndef EV_USE_NANOSLEEP	201	#ifndef EV_USE_NANOSLEEP
		202	# if _POSIX_C_SOURCE >= 199309L
		203	# define EV_USE_NANOSLEEP 1
		204	# else
177	# define EV_USE_NANOSLEEP 0	205	# define EV_USE_NANOSLEEP 0
		206	# endif
178	#endif	207	#endif
179		208
180	#ifndef EV_USE_SELECT	209	#ifndef EV_USE_SELECT
181	# define EV_USE_SELECT 1	210	# define EV_USE_SELECT 1
182	#endif	211	#endif
…		…
277	# include <sys/select.h>	306	# include <sys/select.h>
278	# endif	307	# endif
279	#endif	308	#endif
280		309
281	#if EV_USE_INOTIFY	310	#if EV_USE_INOTIFY
		311	# include <sys/utsname.h>
		312	# include <sys/statfs.h>
282	# 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
283	#endif	319	#endif
284		320
285	#if EV_SELECT_IS_WINSOCKET	321	#if EV_SELECT_IS_WINSOCKET
286	# 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
287	#endif	332	#endif
288		333
289	#if EV_USE_EVENTFD	334	#if EV_USE_EVENTFD
290	/* 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 */
291	# include <stdint.h>	336	# include <stdint.h>
…		…
373	{	418	{
374	syserr_cb = cb;	419	syserr_cb = cb;
375	}	420	}
376		421
377	static void noinline	422	static void noinline
378	syserr (const char *msg)	423	ev_syserr (const char *msg)
379	{	424	{
380	if (!msg)	425	if (!msg)
381	msg = "(libev) system error";	426	msg = "(libev) system error";
382		427
383	if (syserr_cb)	428	if (syserr_cb)
…		…
434	typedef struct	479	typedef struct
435	{	480	{
436	WL head;	481	WL head;
437	unsigned char events;	482	unsigned char events;
438	unsigned char reify;	483	unsigned char reify;
		484	unsigned char emask; /* the epoll backend stores the actual kernel mask in here */
		485	unsigned char unused;
		486	#if EV_USE_EPOLL
		487	unsigned int egen; /* generation counter to counter epoll bugs */
		488	#endif
439	#if EV_SELECT_IS_WINSOCKET	489	#if EV_SELECT_IS_WINSOCKET
440	SOCKET handle;	490	SOCKET handle;
441	#endif	491	#endif
442	} ANFD;	492	} ANFD;
443		493
…		…
556	struct timeval tv;	606	struct timeval tv;
557		607
558	tv.tv_sec = (time_t)delay;	608	tv.tv_sec = (time_t)delay;
559	tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6);	609	tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6);
560		610
		611	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */
		612	/* somehting nto guaranteed by newer posix versions, but guaranteed */
		613	/* by older ones */
561	select (0, 0, 0, 0, &tv);	614	select (0, 0, 0, 0, &tv);
562	#endif	615	#endif
563	}	616	}
564	}	617	}
565		618
…		…
592	array_realloc (int elem, void base, int cur, int cnt)	645	array_realloc (int elem, void base, int cur, int cnt)
593	{	646	{
594	cur = array_nextsize (elem, cur, cnt);	647	cur = array_nextsize (elem, cur, cnt);
595	return ev_realloc (base, elem * *cur);	648	return ev_realloc (base, elem * *cur);
596	}	649	}
		650
		651	#define array_init_zero(base,count) \
		652	memset ((void )(base), 0, sizeof ((base)) * (count))
597		653
598	#define array_needsize(type,base,cur,cnt,init) \	654	#define array_needsize(type,base,cur,cnt,init) \
599	if (expect_false ((cnt) > (cur))) \	655	if (expect_false ((cnt) > (cur))) \
600	{ \	656	{ \
601	int ocur_ = (cur); \	657	int ocur_ = (cur); \
…		…
645	ev_feed_event (EV_A_ events [i], type);	701	ev_feed_event (EV_A_ events [i], type);
646	}	702	}
647		703
648	/*****************************************************************************/	704	/*****************************************************************************/
649		705
650	void inline_size
651	anfds_init (ANFD *base, int count)
652	{
653	while (count--)
654	{
655	base->head = 0;
656	base->events = EV_NONE;
657	base->reify = 0;
658
659	++base;
660	}
661	}
662
663	void inline_speed	706	void inline_speed
664	fd_event (EV_P_ int fd, int revents)	707	fd_event (EV_P_ int fd, int revents)
665	{	708	{
666	ANFD *anfd = anfds + fd;	709	ANFD *anfd = anfds + fd;
667	ev_io *w;	710	ev_io *w;
…		…
699	events \|= (unsigned char)w->events;	742	events \|= (unsigned char)w->events;
700		743
701	#if EV_SELECT_IS_WINSOCKET	744	#if EV_SELECT_IS_WINSOCKET
702	if (events)	745	if (events)
703	{	746	{
704	unsigned long argp;	747	unsigned long arg;
705	#ifdef EV_FD_TO_WIN32_HANDLE	748	#ifdef EV_FD_TO_WIN32_HANDLE
706	anfd->handle = EV_FD_TO_WIN32_HANDLE (fd);	749	anfd->handle = EV_FD_TO_WIN32_HANDLE (fd);
707	#else	750	#else
708	anfd->handle = _get_osfhandle (fd);	751	anfd->handle = _get_osfhandle (fd);
709	#endif	752	#endif
710	assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0));	753	assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0));
711	}	754	}
712	#endif	755	#endif
713		756
714	{	757	{
715	unsigned char o_events = anfd->events;	758	unsigned char o_events = anfd->events;
…		…
768	{	811	{
769	int fd;	812	int fd;
770		813
771	for (fd = 0; fd < anfdmax; ++fd)	814	for (fd = 0; fd < anfdmax; ++fd)
772	if (anfds [fd].events)	815	if (anfds [fd].events)
773	if (!fd_valid (fd) == -1 && errno == EBADF)	816	if (!fd_valid (fd) && errno == EBADF)
774	fd_kill (EV_A_ fd);	817	fd_kill (EV_A_ fd);
775	}	818	}
776		819
777	/* called on ENOMEM in select/poll to kill some fds and retry */	820	/* called on ENOMEM in select/poll to kill some fds and retry */
778	static void noinline	821	static void noinline
…		…
796		839
797	for (fd = 0; fd < anfdmax; ++fd)	840	for (fd = 0; fd < anfdmax; ++fd)
798	if (anfds [fd].events)	841	if (anfds [fd].events)
799	{	842	{
800	anfds [fd].events = 0;	843	anfds [fd].events = 0;
		844	anfds [fd].emask = 0;
801	fd_change (EV_A_ fd, EV_IOFDSET \| 1);	845	fd_change (EV_A_ fd, EV_IOFDSET \| 1);
802	}	846	}
803	}	847	}
804		848
805	/*****************************************************************************/	849	/*****************************************************************************/
…		…
957	static ANSIG *signals;	1001	static ANSIG *signals;
958	static int signalmax;	1002	static int signalmax;
959		1003
960	static EV_ATOMIC_T gotsig;	1004	static EV_ATOMIC_T gotsig;
961		1005
962	void inline_size
963	signals_init (ANSIG *base, int count)
964	{
965	while (count--)
966	{
967	base->head = 0;
968	base->gotsig = 0;
969
970	++base;
971	}
972	}
973
974	/*****************************************************************************/	1006	/*****************************************************************************/
975		1007
976	void inline_speed	1008	void inline_speed
977	fd_intern (int fd)	1009	fd_intern (int fd)
978	{	1010	{
979	#ifdef _WIN32	1011	#ifdef _WIN32
980	int arg = 1;	1012	unsigned long arg = 1;
981	ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg);	1013	ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg);
982	#else	1014	#else
983	fcntl (fd, F_SETFD, FD_CLOEXEC);	1015	fcntl (fd, F_SETFD, FD_CLOEXEC);
984	fcntl (fd, F_SETFL, O_NONBLOCK);	1016	fcntl (fd, F_SETFL, O_NONBLOCK);
985	#endif	1017	#endif
…		…
999	}	1031	}
1000	else	1032	else
1001	#endif	1033	#endif
1002	{	1034	{
1003	while (pipe (evpipe))	1035	while (pipe (evpipe))
1004	syserr ("(libev) error creating signal/async pipe");	1036	ev_syserr ("(libev) error creating signal/async pipe");
1005		1037
1006	fd_intern (evpipe [0]);	1038	fd_intern (evpipe [0]);
1007	fd_intern (evpipe [1]);	1039	fd_intern (evpipe [1]);
1008	ev_io_set (&pipeev, evpipe [0], EV_READ);	1040	ev_io_set (&pipeev, evpipe [0], EV_READ);
1009	}	1041	}
…		…
1099	ev_feed_signal_event (EV_P_ int signum)	1131	ev_feed_signal_event (EV_P_ int signum)
1100	{	1132	{
1101	WL w;	1133	WL w;
1102		1134
1103	#if EV_MULTIPLICITY	1135	#if EV_MULTIPLICITY
1104	assert (("feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr));	1136	assert (("libev: feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr));
1105	#endif	1137	#endif
1106		1138
1107	--signum;	1139	--signum;
1108		1140
1109	if (signum < 0 \|\| signum >= signalmax)	1141	if (signum < 0 \|\| signum >= signalmax)
…		…
1238	/* kqueue is borked on everything but netbsd apparently */	1270	/* kqueue is borked on everything but netbsd apparently */
1239	/* it usually doesn't work correctly on anything but sockets and pipes */	1271	/* it usually doesn't work correctly on anything but sockets and pipes */
1240	flags &= ~EVBACKEND_KQUEUE;	1272	flags &= ~EVBACKEND_KQUEUE;
1241	#endif	1273	#endif
1242	#ifdef __APPLE__	1274	#ifdef __APPLE__
1243	// flags &= ~EVBACKEND_KQUEUE; for documentation	1275	/* only select works correctly on that "unix-certified" platform */
1244	flags &= ~EVBACKEND_POLL;	1276	flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */
		1277	flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */
1245	#endif	1278	#endif
1246		1279
1247	return flags;	1280	return flags;
1248	}	1281	}
1249		1282
…		…
1499	{	1532	{
1500	postfork = 1; /* must be in line with ev_default_fork */	1533	postfork = 1; /* must be in line with ev_default_fork */
1501	}	1534	}
1502		1535
1503	#if EV_VERIFY	1536	#if EV_VERIFY
1504	void noinline	1537	static void noinline
1505	verify_watcher (EV_P_ W w)	1538	verify_watcher (EV_P_ W w)
1506	{	1539	{
1507	assert (("watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI));	1540	assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI));
1508		1541
1509	if (w->pending)	1542	if (w->pending)
1510	assert (("pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w));	1543	assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w));
1511	}	1544	}
1512		1545
1513	static void noinline	1546	static void noinline
1514	verify_heap (EV_P_ ANHE *heap, int N)	1547	verify_heap (EV_P_ ANHE *heap, int N)
1515	{	1548	{
1516	int i;	1549	int i;
1517		1550
1518	for (i = HEAP0; i < N + HEAP0; ++i)	1551	for (i = HEAP0; i < N + HEAP0; ++i)
1519	{	1552	{
1520	assert (("active index mismatch in heap", ev_active (ANHE_w (heap [i])) == i));	1553	assert (("libev: active index mismatch in heap", ev_active (ANHE_w (heap [i])) == i));
1521	assert (("heap condition violated", i == HEAP0 \|\| ANHE_at (heap [HPARENT (i)]) <= ANHE_at (heap [i])));	1554	assert (("libev: heap condition violated", i == HEAP0 \|\| ANHE_at (heap [HPARENT (i)]) <= ANHE_at (heap [i])));
1522	assert (("heap at cache mismatch", ANHE_at (heap [i]) == ev_at (ANHE_w (heap [i]))));	1555	assert (("libev: heap at cache mismatch", ANHE_at (heap [i]) == ev_at (ANHE_w (heap [i]))));
1523		1556
1524	verify_watcher (EV_A_ (W)ANHE_w (heap [i]));	1557	verify_watcher (EV_A_ (W)ANHE_w (heap [i]));
1525	}	1558	}
1526	}	1559	}
1527		1560
1528	static void noinline	1561	static void noinline
1529	array_verify (EV_P_ W *ws, int cnt)	1562	array_verify (EV_P_ W *ws, int cnt)
1530	{	1563	{
1531	while (cnt--)	1564	while (cnt--)
1532	{	1565	{
1533	assert (("active index mismatch", ev_active (ws [cnt]) == cnt + 1));	1566	assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1));
1534	verify_watcher (EV_A_ ws [cnt]);	1567	verify_watcher (EV_A_ ws [cnt]);
1535	}	1568	}
1536	}	1569	}
1537	#endif	1570	#endif
1538		1571
…		…
1545		1578
1546	assert (activecnt >= -1);	1579	assert (activecnt >= -1);
1547		1580
1548	assert (fdchangemax >= fdchangecnt);	1581	assert (fdchangemax >= fdchangecnt);
1549	for (i = 0; i < fdchangecnt; ++i)	1582	for (i = 0; i < fdchangecnt; ++i)
1550	assert (("negative fd in fdchanges", fdchanges [i] >= 0));	1583	assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));
1551		1584
1552	assert (anfdmax >= 0);	1585	assert (anfdmax >= 0);
1553	for (i = 0; i < anfdmax; ++i)	1586	for (i = 0; i < anfdmax; ++i)
1554	for (w = anfds [i].head; w; w = w->next)	1587	for (w = anfds [i].head; w; w = w->next)
1555	{	1588	{
1556	verify_watcher (EV_A_ (W)w);	1589	verify_watcher (EV_A_ (W)w);
1557	assert (("inactive fd watcher on anfd list", ev_active (w) == 1));	1590	assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1));
1558	assert (("fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i));	1591	assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i));
1559	}	1592	}
1560		1593
1561	assert (timermax >= timercnt);	1594	assert (timermax >= timercnt);
1562	verify_heap (EV_A_ timers, timercnt);	1595	verify_heap (EV_A_ timers, timercnt);
1563		1596
…		…
1568		1601
1569	for (i = NUMPRI; i--; )	1602	for (i = NUMPRI; i--; )
1570	{	1603	{
1571	assert (pendingmax [i] >= pendingcnt [i]);	1604	assert (pendingmax [i] >= pendingcnt [i]);
1572	#if EV_IDLE_ENABLE	1605	#if EV_IDLE_ENABLE
		1606	assert (idleall >= 0);
1573	assert (idlemax [i] >= idlecnt [i]);	1607	assert (idlemax [i] >= idlecnt [i]);
1574	array_verify (EV_A_ (W *)idles [i], idlecnt [i]);	1608	array_verify (EV_A_ (W *)idles [i], idlecnt [i]);
1575	#endif	1609	#endif
1576	}	1610	}
1577		1611
…		…
1639	{	1673	{
1640	#if EV_MULTIPLICITY	1674	#if EV_MULTIPLICITY
1641	struct ev_loop *loop = ev_default_loop_ptr;	1675	struct ev_loop *loop = ev_default_loop_ptr;
1642	#endif	1676	#endif
1643		1677
		1678	ev_default_loop_ptr = 0;
		1679
1644	#ifndef _WIN32	1680	#ifndef _WIN32
1645	ev_ref (EV_A); /* child watcher */	1681	ev_ref (EV_A); /* child watcher */
1646	ev_signal_stop (EV_A_ &childev);	1682	ev_signal_stop (EV_A_ &childev);
1647	#endif	1683	#endif
1648		1684
…		…
1654	{	1690	{
1655	#if EV_MULTIPLICITY	1691	#if EV_MULTIPLICITY
1656	struct ev_loop *loop = ev_default_loop_ptr;	1692	struct ev_loop *loop = ev_default_loop_ptr;
1657	#endif	1693	#endif
1658		1694
1659	if (backend)
1660	postfork = 1; /* must be in line with ev_loop_fork */	1695	postfork = 1; /* must be in line with ev_loop_fork */
1661	}	1696	}
1662		1697
1663	/*****************************************************************************/	1698	/*****************************************************************************/
1664		1699
1665	void	1700	void
…		…
1678	{	1713	{
1679	ANPENDING *p = pendings [pri] + --pendingcnt [pri];	1714	ANPENDING *p = pendings [pri] + --pendingcnt [pri];
1680		1715
1681	if (expect_true (p->w))	1716	if (expect_true (p->w))
1682	{	1717	{
1683	/assert (("non-pending watcher on pending list", p->w->pending));/	1718	/assert (("libev: non-pending watcher on pending list", p->w->pending));/
1684		1719
1685	p->w->pending = 0;	1720	p->w->pending = 0;
1686	EV_CB_INVOKE (p->w, p->events);	1721	EV_CB_INVOKE (p->w, p->events);
1687	EV_FREQUENT_CHECK;	1722	EV_FREQUENT_CHECK;
1688	}	1723	}
…		…
1719		1754
1720	while (timercnt && ANHE_at (timers [HEAP0]) < mn_now)	1755	while (timercnt && ANHE_at (timers [HEAP0]) < mn_now)
1721	{	1756	{
1722	ev_timer w = (ev_timer )ANHE_w (timers [HEAP0]);	1757	ev_timer w = (ev_timer )ANHE_w (timers [HEAP0]);
1723		1758
1724	/assert (("inactive timer on timer heap detected", ev_is_active (w)));/	1759	/assert (("libev: inactive timer on timer heap detected", ev_is_active (w)));/
1725		1760
1726	/* first reschedule or stop timer */	1761	/* first reschedule or stop timer */
1727	if (w->repeat)	1762	if (w->repeat)
1728	{	1763	{
1729	ev_at (w) += w->repeat;	1764	ev_at (w) += w->repeat;
1730	if (ev_at (w) < mn_now)	1765	if (ev_at (w) < mn_now)
1731	ev_at (w) = mn_now;	1766	ev_at (w) = mn_now;
1732		1767
1733	assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));	1768	assert (("libev: negative ev_timer repeat value found while processing timers", w->repeat > 0.));
1734		1769
1735	ANHE_at_cache (timers [HEAP0]);	1770	ANHE_at_cache (timers [HEAP0]);
1736	downheap (timers, timercnt, HEAP0);	1771	downheap (timers, timercnt, HEAP0);
1737	}	1772	}
1738	else	1773	else
…		…
1751		1786
1752	while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)	1787	while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)
1753	{	1788	{
1754	ev_periodic w = (ev_periodic )ANHE_w (periodics [HEAP0]);	1789	ev_periodic w = (ev_periodic )ANHE_w (periodics [HEAP0]);
1755		1790
1756	/assert (("inactive timer on periodic heap detected", ev_is_active (w)));/	1791	/assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));/
1757		1792
1758	/* first reschedule or stop timer */	1793	/* first reschedule or stop timer */
1759	if (w->reschedule_cb)	1794	if (w->reschedule_cb)
1760	{	1795	{
1761	ev_at (w) = w->reschedule_cb (w, ev_rt_now);	1796	ev_at (w) = w->reschedule_cb (w, ev_rt_now);
1762		1797
1763	assert (("ev_periodic reschedule callback returned time in the past", ev_at (w) >= ev_rt_now));	1798	assert (("libev: ev_periodic reschedule callback returned time in the past", ev_at (w) >= ev_rt_now));
1764		1799
1765	ANHE_at_cache (periodics [HEAP0]);	1800	ANHE_at_cache (periodics [HEAP0]);
1766	downheap (periodics, periodiccnt, HEAP0);	1801	downheap (periodics, periodiccnt, HEAP0);
1767	}	1802	}
1768	else if (w->interval)	1803	else if (w->interval)
…		…
1896	ev_unref (EV_P)	1931	ev_unref (EV_P)
1897	{	1932	{
1898	--activecnt;	1933	--activecnt;
1899	}	1934	}
1900		1935
		1936	void
		1937	ev_now_update (EV_P)
		1938	{
		1939	time_update (EV_A_ 1e100);
		1940	}
		1941
1901	static int loop_done;	1942	static int loop_done;
1902		1943
1903	void	1944	void
1904	ev_loop (EV_P_ int flags)	1945	ev_loop (EV_P_ int flags)
1905	{	1946	{
…		…
2113	int fd = w->fd;	2154	int fd = w->fd;
2114		2155
2115	if (expect_false (ev_is_active (w)))	2156	if (expect_false (ev_is_active (w)))
2116	return;	2157	return;
2117		2158
2118	assert (("ev_io_start called with negative fd", fd >= 0));	2159	assert (("libev: ev_io_start called with negative fd", fd >= 0));
		2160	assert (("libev: ev_io start called with illegal event mask", !(w->events & ~(EV_IOFDSET \| EV_READ \| EV_WRITE))));
2119		2161
2120	EV_FREQUENT_CHECK;	2162	EV_FREQUENT_CHECK;
2121		2163
2122	ev_start (EV_A_ (W)w, 1);	2164	ev_start (EV_A_ (W)w, 1);
2123	array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init);	2165	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);
2124	wlist_add (&anfds[fd].head, (WL)w);	2166	wlist_add (&anfds[fd].head, (WL)w);
2125		2167
2126	fd_change (EV_A_ fd, w->events & EV_IOFDSET \| 1);	2168	fd_change (EV_A_ fd, w->events & EV_IOFDSET \| 1);
2127	w->events &= ~EV_IOFDSET;	2169	w->events &= ~EV_IOFDSET;
2128		2170
…		…
2134	{	2176	{
2135	clear_pending (EV_A_ (W)w);	2177	clear_pending (EV_A_ (W)w);
2136	if (expect_false (!ev_is_active (w)))	2178	if (expect_false (!ev_is_active (w)))
2137	return;	2179	return;
2138		2180
2139	assert (("ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));	2181	assert (("libev: ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));
2140		2182
2141	EV_FREQUENT_CHECK;	2183	EV_FREQUENT_CHECK;
2142		2184
2143	wlist_del (&anfds[w->fd].head, (WL)w);	2185	wlist_del (&anfds[w->fd].head, (WL)w);
2144	ev_stop (EV_A_ (W)w);	2186	ev_stop (EV_A_ (W)w);
…		…
2154	if (expect_false (ev_is_active (w)))	2196	if (expect_false (ev_is_active (w)))
2155	return;	2197	return;
2156		2198
2157	ev_at (w) += mn_now;	2199	ev_at (w) += mn_now;
2158		2200
2159	assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));	2201	assert (("libev: ev_timer_start called with negative timer repeat value", w->repeat >= 0.));
2160		2202
2161	EV_FREQUENT_CHECK;	2203	EV_FREQUENT_CHECK;
2162		2204
2163	++timercnt;	2205	++timercnt;
2164	ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1);	2206	ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1);
…		…
2167	ANHE_at_cache (timers [ev_active (w)]);	2209	ANHE_at_cache (timers [ev_active (w)]);
2168	upheap (timers, ev_active (w));	2210	upheap (timers, ev_active (w));
2169		2211
2170	EV_FREQUENT_CHECK;	2212	EV_FREQUENT_CHECK;
2171		2213
2172	/assert (("internal timer heap corruption", timers [ev_active (w)] == (WT)w));/	2214	/assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));/
2173	}	2215	}
2174		2216
2175	void noinline	2217	void noinline
2176	ev_timer_stop (EV_P_ ev_timer *w)	2218	ev_timer_stop (EV_P_ ev_timer *w)
2177	{	2219	{
…		…
2182	EV_FREQUENT_CHECK;	2224	EV_FREQUENT_CHECK;
2183		2225
2184	{	2226	{
2185	int active = ev_active (w);	2227	int active = ev_active (w);
2186		2228
2187	assert (("internal timer heap corruption", ANHE_w (timers [active]) == (WT)w));	2229	assert (("libev: internal timer heap corruption", ANHE_w (timers [active]) == (WT)w));
2188		2230
2189	--timercnt;	2231	--timercnt;
2190		2232
2191	if (expect_true (active < timercnt + HEAP0))	2233	if (expect_true (active < timercnt + HEAP0))
2192	{	2234	{
…		…
2236		2278
2237	if (w->reschedule_cb)	2279	if (w->reschedule_cb)
2238	ev_at (w) = w->reschedule_cb (w, ev_rt_now);	2280	ev_at (w) = w->reschedule_cb (w, ev_rt_now);
2239	else if (w->interval)	2281	else if (w->interval)
2240	{	2282	{
2241	assert (("ev_periodic_start called with negative interval value", w->interval >= 0.));	2283	assert (("libev: ev_periodic_start called with negative interval value", w->interval >= 0.));
2242	/* this formula differs from the one in periodic_reify because we do not always round up */	2284	/* this formula differs from the one in periodic_reify because we do not always round up */
2243	ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;	2285	ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
2244	}	2286	}
2245	else	2287	else
2246	ev_at (w) = w->offset;	2288	ev_at (w) = w->offset;
…		…
2254	ANHE_at_cache (periodics [ev_active (w)]);	2296	ANHE_at_cache (periodics [ev_active (w)]);
2255	upheap (periodics, ev_active (w));	2297	upheap (periodics, ev_active (w));
2256		2298
2257	EV_FREQUENT_CHECK;	2299	EV_FREQUENT_CHECK;
2258		2300
2259	/assert (("internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));/	2301	/assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));/
2260	}	2302	}
2261		2303
2262	void noinline	2304	void noinline
2263	ev_periodic_stop (EV_P_ ev_periodic *w)	2305	ev_periodic_stop (EV_P_ ev_periodic *w)
2264	{	2306	{
…		…
2269	EV_FREQUENT_CHECK;	2311	EV_FREQUENT_CHECK;
2270		2312
2271	{	2313	{
2272	int active = ev_active (w);	2314	int active = ev_active (w);
2273		2315
2274	assert (("internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w));	2316	assert (("libev: internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w));
2275		2317
2276	--periodiccnt;	2318	--periodiccnt;
2277		2319
2278	if (expect_true (active < periodiccnt + HEAP0))	2320	if (expect_true (active < periodiccnt + HEAP0))
2279	{	2321	{
…		…
2302		2344
2303	void noinline	2345	void noinline
2304	ev_signal_start (EV_P_ ev_signal *w)	2346	ev_signal_start (EV_P_ ev_signal *w)
2305	{	2347	{
2306	#if EV_MULTIPLICITY	2348	#if EV_MULTIPLICITY
2307	assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr));	2349	assert (("libev: signal watchers are only supported in the default loop", loop == ev_default_loop_ptr));
2308	#endif	2350	#endif
2309	if (expect_false (ev_is_active (w)))	2351	if (expect_false (ev_is_active (w)))
2310	return;	2352	return;
2311		2353
2312	assert (("ev_signal_start called with illegal signal number", w->signum > 0));	2354	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0));
2313		2355
2314	evpipe_init (EV_A);	2356	evpipe_init (EV_A);
2315		2357
2316	EV_FREQUENT_CHECK;	2358	EV_FREQUENT_CHECK;
2317		2359
…		…
2320	sigset_t full, prev;	2362	sigset_t full, prev;
2321	sigfillset (&full);	2363	sigfillset (&full);
2322	sigprocmask (SIG_SETMASK, &full, &prev);	2364	sigprocmask (SIG_SETMASK, &full, &prev);
2323	#endif	2365	#endif
2324		2366
2325	array_needsize (ANSIG, signals, signalmax, w->signum, signals_init);	2367	array_needsize (ANSIG, signals, signalmax, w->signum, array_init_zero);
2326		2368
2327	#ifndef _WIN32	2369	#ifndef _WIN32
2328	sigprocmask (SIG_SETMASK, &prev, 0);	2370	sigprocmask (SIG_SETMASK, &prev, 0);
2329	#endif	2371	#endif
2330	}	2372	}
…		…
2368		2410
2369	void	2411	void
2370	ev_child_start (EV_P_ ev_child *w)	2412	ev_child_start (EV_P_ ev_child *w)
2371	{	2413	{
2372	#if EV_MULTIPLICITY	2414	#if EV_MULTIPLICITY
2373	assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr));	2415	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
2374	#endif	2416	#endif
2375	if (expect_false (ev_is_active (w)))	2417	if (expect_false (ev_is_active (w)))
2376	return;	2418	return;
2377		2419
2378	EV_FREQUENT_CHECK;	2420	EV_FREQUENT_CHECK;
…		…
2403	# ifdef _WIN32	2445	# ifdef _WIN32
2404	# undef lstat	2446	# undef lstat
2405	# define lstat(a,b) _stati64 (a,b)	2447	# define lstat(a,b) _stati64 (a,b)
2406	# endif	2448	# endif
2407		2449
2408	#define DEF_STAT_INTERVAL 5.0074891	2450	#define DEF_STAT_INTERVAL 5.0074891
		2451	#define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */
2409	#define MIN_STAT_INTERVAL 0.1074891	2452	#define MIN_STAT_INTERVAL 0.1074891
2410		2453
2411	static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents);	2454	static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents);
2412		2455
2413	#if EV_USE_INOTIFY	2456	#if EV_USE_INOTIFY
2414	# define EV_INOTIFY_BUFSIZE 8192	2457	# define EV_INOTIFY_BUFSIZE 8192
…		…
2418	{	2461	{
2419	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);	2462	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);
2420		2463
2421	if (w->wd < 0)	2464	if (w->wd < 0)
2422	{	2465	{
		2466	w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;
2423	ev_timer_start (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */	2467	ev_timer_again (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */
2424		2468
2425	/* monitor some parent directory for speedup hints */	2469	/* monitor some parent directory for speedup hints */
2426	/* note that exceeding the hardcoded limit is not a correctness issue, */	2470	/* note that exceeding the hardcoded path limit is not a correctness issue, */
2427	/* but an efficiency issue only */	2471	/* but an efficiency issue only */
2428	if ((errno == ENOENT \|\| errno == EACCES) && strlen (w->path) < 4096)	2472	if ((errno == ENOENT \|\| errno == EACCES) && strlen (w->path) < 4096)
2429	{	2473	{
2430	char path [4096];	2474	char path [4096];
2431	strcpy (path, w->path);	2475	strcpy (path, w->path);
…		…
2435	int mask = IN_MASK_ADD \| IN_DELETE_SELF \| IN_MOVE_SELF	2479	int mask = IN_MASK_ADD \| IN_DELETE_SELF \| IN_MOVE_SELF
2436	\| (errno == EACCES ? IN_ATTRIB : IN_CREATE \| IN_MOVED_TO);	2480	\| (errno == EACCES ? IN_ATTRIB : IN_CREATE \| IN_MOVED_TO);
2437		2481
2438	char *pend = strrchr (path, '/');	2482	char *pend = strrchr (path, '/');
2439		2483
2440	if (!pend)	2484	if (!pend \|\| pend == path)
2441	break; /* whoops, no '/', complain to your admin */	2485	break;
2442		2486
2443	*pend = 0;	2487	*pend = 0;
2444	w->wd = inotify_add_watch (fs_fd, path, mask);	2488	w->wd = inotify_add_watch (fs_fd, path, mask);
2445	}	2489	}
2446	while (w->wd < 0 && (errno == ENOENT \|\| errno == EACCES));	2490	while (w->wd < 0 && (errno == ENOENT \|\| errno == EACCES));
2447	}	2491	}
2448	}	2492	}
2449	else
2450	ev_timer_stop (EV_A_ &w->timer); /* we can watch this in a race-free way */
2451		2493
2452	if (w->wd >= 0)	2494	if (w->wd >= 0)
		2495	{
2453	wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w);	2496	wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w);
		2497
		2498	/* now local changes will be tracked by inotify, but remote changes won't */
		2499	/* unless the filesystem it known to be local, we therefore still poll */
		2500	/* also do poll on <2.6.25, but with normal frequency */
		2501	struct statfs sfs;
		2502
		2503	if (fs_2625 && !statfs (w->path, &sfs))
		2504	if (sfs.f_type == 0x1373 /* devfs */
		2505	\|\| sfs.f_type == 0xEF53 /* ext2/3 */
		2506	\|\| sfs.f_type == 0x3153464a /* jfs */
		2507	\|\| sfs.f_type == 0x52654973 /* reiser3 */
		2508	\|\| sfs.f_type == 0x01021994 /* tempfs */
		2509	\|\| sfs.f_type == 0x58465342 /* xfs */)
		2510	return;
		2511
		2512	w->timer.repeat = w->interval ? w->interval : fs_2625 ? NFS_STAT_INTERVAL : DEF_STAT_INTERVAL;
		2513	ev_timer_again (EV_A_ &w->timer);
		2514	}
2454	}	2515	}
2455		2516
2456	static void noinline	2517	static void noinline
2457	infy_del (EV_P_ ev_stat *w)	2518	infy_del (EV_P_ ev_stat *w)
2458	{	2519	{
…		…
2472		2533
2473	static void noinline	2534	static void noinline
2474	infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)	2535	infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)
2475	{	2536	{
2476	if (slot < 0)	2537	if (slot < 0)
2477	/* overflow, need to check for all hahs slots */	2538	/* overflow, need to check for all hash slots */
2478	for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot)	2539	for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot)
2479	infy_wd (EV_A_ slot, wd, ev);	2540	infy_wd (EV_A_ slot, wd, ev);
2480	else	2541	else
2481	{	2542	{
2482	WL w_;	2543	WL w_;
…		…
2488		2549
2489	if (w->wd == wd \|\| wd == -1)	2550	if (w->wd == wd \|\| wd == -1)
2490	{	2551	{
2491	if (ev->mask & (IN_IGNORED \| IN_UNMOUNT \| IN_DELETE_SELF))	2552	if (ev->mask & (IN_IGNORED \| IN_UNMOUNT \| IN_DELETE_SELF))
2492	{	2553	{
		2554	wlist_del (&fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w);
2493	w->wd = -1;	2555	w->wd = -1;
2494	infy_add (EV_A_ w); /* re-add, no matter what */	2556	infy_add (EV_A_ w); /* re-add, no matter what */
2495	}	2557	}
2496		2558
2497	stat_timer_cb (EV_A_ &w->timer, 0);	2559	stat_timer_cb (EV_A_ &w->timer, 0);
…		…
2511	for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len)	2573	for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len)
2512	infy_wd (EV_A_ ev->wd, ev->wd, ev);	2574	infy_wd (EV_A_ ev->wd, ev->wd, ev);
2513	}	2575	}
2514		2576
2515	void inline_size	2577	void inline_size
		2578	check_2625 (EV_P)
		2579	{
		2580	/* kernels < 2.6.25 are borked
		2581	* http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html
		2582	*/
		2583	struct utsname buf;
		2584	int major, minor, micro;
		2585
		2586	if (uname (&buf))
		2587	return;
		2588
		2589	if (sscanf (buf.release, "%d.%d.%d", &major, &minor, &micro) != 3)
		2590	return;
		2591
		2592	if (major < 2
		2593	\|\| (major == 2 && minor < 6)
		2594	\|\| (major == 2 && minor == 6 && micro < 25))
		2595	return;
		2596
		2597	fs_2625 = 1;
		2598	}
		2599
		2600	void inline_size
2516	infy_init (EV_P)	2601	infy_init (EV_P)
2517	{	2602	{
2518	if (fs_fd != -2)	2603	if (fs_fd != -2)
2519	return;	2604	return;
		2605
		2606	fs_fd = -1;
		2607
		2608	check_2625 (EV_A);
2520		2609
2521	fs_fd = inotify_init ();	2610	fs_fd = inotify_init ();
2522		2611
2523	if (fs_fd >= 0)	2612	if (fs_fd >= 0)
2524	{	2613	{
…		…
2552	w->wd = -1;	2641	w->wd = -1;
2553		2642
2554	if (fs_fd >= 0)	2643	if (fs_fd >= 0)
2555	infy_add (EV_A_ w); /* re-add, no matter what */	2644	infy_add (EV_A_ w); /* re-add, no matter what */
2556	else	2645	else
2557	ev_timer_start (EV_A_ &w->timer);	2646	ev_timer_again (EV_A_ &w->timer);
2558	}	2647	}
2559
2560	}	2648	}
2561	}	2649	}
2562		2650
		2651	#endif
		2652
		2653	#ifdef _WIN32
		2654	# define EV_LSTAT(p,b) _stati64 (p, b)
		2655	#else
		2656	# define EV_LSTAT(p,b) lstat (p, b)
2563	#endif	2657	#endif
2564		2658
2565	void	2659	void
2566	ev_stat_stat (EV_P_ ev_stat *w)	2660	ev_stat_stat (EV_P_ ev_stat *w)
2567	{	2661	{
…		…
2594	\|\| w->prev.st_atime != w->attr.st_atime	2688	\|\| w->prev.st_atime != w->attr.st_atime
2595	\|\| w->prev.st_mtime != w->attr.st_mtime	2689	\|\| w->prev.st_mtime != w->attr.st_mtime
2596	\|\| w->prev.st_ctime != w->attr.st_ctime	2690	\|\| w->prev.st_ctime != w->attr.st_ctime
2597	) {	2691	) {
2598	#if EV_USE_INOTIFY	2692	#if EV_USE_INOTIFY
		2693	if (fs_fd >= 0)
		2694	{
2599	infy_del (EV_A_ w);	2695	infy_del (EV_A_ w);
2600	infy_add (EV_A_ w);	2696	infy_add (EV_A_ w);
2601	ev_stat_stat (EV_A_ w); /* avoid race... */	2697	ev_stat_stat (EV_A_ w); /* avoid race... */
		2698	}
2602	#endif	2699	#endif
2603		2700
2604	ev_feed_event (EV_A_ w, EV_STAT);	2701	ev_feed_event (EV_A_ w, EV_STAT);
2605	}	2702	}
2606	}	2703	}
…		…
2609	ev_stat_start (EV_P_ ev_stat *w)	2706	ev_stat_start (EV_P_ ev_stat *w)
2610	{	2707	{
2611	if (expect_false (ev_is_active (w)))	2708	if (expect_false (ev_is_active (w)))
2612	return;	2709	return;
2613		2710
2614	/* since we use memcmp, we need to clear any padding data etc. */
2615	memset (&w->prev, 0, sizeof (ev_statdata));
2616	memset (&w->attr, 0, sizeof (ev_statdata));
2617
2618	ev_stat_stat (EV_A_ w);	2711	ev_stat_stat (EV_A_ w);
2619		2712
		2713	if (w->interval < MIN_STAT_INTERVAL && w->interval)
2620	if (w->interval < MIN_STAT_INTERVAL)	2714	w->interval = MIN_STAT_INTERVAL;
2621	w->interval = w->interval ? MIN_STAT_INTERVAL : DEF_STAT_INTERVAL;
2622		2715
2623	ev_timer_init (&w->timer, stat_timer_cb, w->interval, w->interval);	2716	ev_timer_init (&w->timer, stat_timer_cb, 0., w->interval ? w->interval : DEF_STAT_INTERVAL);
2624	ev_set_priority (&w->timer, ev_priority (w));	2717	ev_set_priority (&w->timer, ev_priority (w));
2625		2718
2626	#if EV_USE_INOTIFY	2719	#if EV_USE_INOTIFY
2627	infy_init (EV_A);	2720	infy_init (EV_A);
2628		2721
2629	if (fs_fd >= 0)	2722	if (fs_fd >= 0)
2630	infy_add (EV_A_ w);	2723	infy_add (EV_A_ w);
2631	else	2724	else
2632	#endif	2725	#endif
2633	ev_timer_start (EV_A_ &w->timer);	2726	ev_timer_again (EV_A_ &w->timer);
2634		2727
2635	ev_start (EV_A_ (W)w, 1);	2728	ev_start (EV_A_ (W)w, 1);
2636		2729
2637	EV_FREQUENT_CHECK;	2730	EV_FREQUENT_CHECK;
2638	}	2731	}
…		…
2808	ev_loop (EV_A_ EVLOOP_NONBLOCK);	2901	ev_loop (EV_A_ EVLOOP_NONBLOCK);
2809	}	2902	}
2810	}	2903	}
2811	}	2904	}
2812		2905
		2906	static void
		2907	embed_fork_cb (EV_P_ ev_fork *fork_w, int revents)
		2908	{
		2909	ev_embed w = (ev_embed )(((char *)fork_w) - offsetof (ev_embed, fork));
		2910
		2911	ev_embed_stop (EV_A_ w);
		2912
		2913	{
		2914	struct ev_loop *loop = w->other;
		2915
		2916	ev_loop_fork (EV_A);
		2917	ev_loop (EV_A_ EVLOOP_NONBLOCK);
		2918	}
		2919
		2920	ev_embed_start (EV_A_ w);
		2921	}
		2922
2813	#if 0	2923	#if 0
2814	static void	2924	static void
2815	embed_idle_cb (EV_P_ ev_idle *idle, int revents)	2925	embed_idle_cb (EV_P_ ev_idle *idle, int revents)
2816	{	2926	{
2817	ev_idle_stop (EV_A_ idle);	2927	ev_idle_stop (EV_A_ idle);
…		…
2824	if (expect_false (ev_is_active (w)))	2934	if (expect_false (ev_is_active (w)))
2825	return;	2935	return;
2826		2936
2827	{	2937	{
2828	struct ev_loop *loop = w->other;	2938	struct ev_loop *loop = w->other;
2829	assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ()));	2939	assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ()));
2830	ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ);	2940	ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ);
2831	}	2941	}
2832		2942
2833	EV_FREQUENT_CHECK;	2943	EV_FREQUENT_CHECK;
2834		2944
…		…
2837		2947
2838	ev_prepare_init (&w->prepare, embed_prepare_cb);	2948	ev_prepare_init (&w->prepare, embed_prepare_cb);
2839	ev_set_priority (&w->prepare, EV_MINPRI);	2949	ev_set_priority (&w->prepare, EV_MINPRI);
2840	ev_prepare_start (EV_A_ &w->prepare);	2950	ev_prepare_start (EV_A_ &w->prepare);
2841		2951
		2952	ev_fork_init (&w->fork, embed_fork_cb);
		2953	ev_fork_start (EV_A_ &w->fork);
		2954
2842	/ev_idle_init (&w->idle, e,bed_idle_cb);/	2955	/ev_idle_init (&w->idle, e,bed_idle_cb);/
2843		2956
2844	ev_start (EV_A_ (W)w, 1);	2957	ev_start (EV_A_ (W)w, 1);
2845		2958
2846	EV_FREQUENT_CHECK;	2959	EV_FREQUENT_CHECK;
…		…
2853	if (expect_false (!ev_is_active (w)))	2966	if (expect_false (!ev_is_active (w)))
2854	return;	2967	return;
2855		2968
2856	EV_FREQUENT_CHECK;	2969	EV_FREQUENT_CHECK;
2857		2970
2858	ev_io_stop (EV_A_ &w->io);	2971	ev_io_stop (EV_A_ &w->io);
2859	ev_prepare_stop (EV_A_ &w->prepare);	2972	ev_prepare_stop (EV_A_ &w->prepare);
2860		2973	ev_fork_stop (EV_A_ &w->fork);
2861	ev_stop (EV_A_ (W)w);
2862		2974
2863	EV_FREQUENT_CHECK;	2975	EV_FREQUENT_CHECK;
2864	}	2976	}
2865	#endif	2977	#endif
2866		2978
…		…
2963	once_cb (EV_P_ struct ev_once *once, int revents)	3075	once_cb (EV_P_ struct ev_once *once, int revents)
2964	{	3076	{
2965	void (cb)(int revents, void arg) = once->cb;	3077	void (cb)(int revents, void arg) = once->cb;
2966	void *arg = once->arg;	3078	void *arg = once->arg;
2967		3079
2968	ev_io_stop (EV_A_ &once->io);	3080	ev_io_stop (EV_A_ &once->io);
2969	ev_timer_stop (EV_A_ &once->to);	3081	ev_timer_stop (EV_A_ &once->to);
2970	ev_free (once);	3082	ev_free (once);
2971		3083
2972	cb (revents, arg);	3084	cb (revents, arg);
2973	}	3085	}
2974		3086
2975	static void	3087	static void
2976	once_cb_io (EV_P_ ev_io *w, int revents)	3088	once_cb_io (EV_P_ ev_io *w, int revents)
2977	{	3089	{
2978	once_cb (EV_A_ (struct ev_once )(((char )w) - offsetof (struct ev_once, io)), revents);	3090	struct ev_once once = (struct ev_once )(((char *)w) - offsetof (struct ev_once, io));
		3091
		3092	once_cb (EV_A_ once, revents \| ev_clear_pending (EV_A_ &once->to));
2979	}	3093	}
2980		3094
2981	static void	3095	static void
2982	once_cb_to (EV_P_ ev_timer *w, int revents)	3096	once_cb_to (EV_P_ ev_timer *w, int revents)
2983	{	3097	{
2984	once_cb (EV_A_ (struct ev_once )(((char )w) - offsetof (struct ev_once, to)), revents);	3098	struct ev_once once = (struct ev_once )(((char *)w) - offsetof (struct ev_once, to));
		3099
		3100	once_cb (EV_A_ once, revents \| ev_clear_pending (EV_A_ &once->io));
2985	}	3101	}
2986		3102
2987	void	3103	void
2988	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (cb)(int revents, void arg), void *arg)	3104	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (cb)(int revents, void arg), void *arg)
2989	{	3105	{

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Comparing libev/ev.c (file contents): Revision 1.251 by root, Thu May 22 03:42:34 2008 UTC vs. Revision 1.278 by root, Tue Jan 6 19:46:56 2009 UTC

Diff Legend

Comparing libev/ev.c (file contents):
Revision 1.251 by root, Thu May 22 03:42:34 2008 UTC vs.
Revision 1.278 by root, Tue Jan 6 19:46:56 2009 UTC