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

Comparing libev/ev.c (file contents):
Revision 1.310 by root, Sun Jul 26 04:43:03 2009 UTC vs.
Revision 1.336 by root, Wed Mar 10 08:19:38 2010 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 Marc Alexander Lehmann <libev@schmorp.de>	4	* Copyright (c) 2007,2008,2009,2010 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	*
110	# define EV_USE_EPOLL 0	110	# define EV_USE_EPOLL 0
111	# endif	111	# endif
112	# endif	112	# endif
113		113
114	# ifndef EV_USE_KQUEUE	114	# ifndef EV_USE_KQUEUE
115	# if HAVE_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H	115	# if HAVE_KQUEUE && HAVE_SYS_EVENT_H
116	# define EV_USE_KQUEUE 1	116	# define EV_USE_KQUEUE 1
117	# else	117	# else
118	# define EV_USE_KQUEUE 0	118	# define EV_USE_KQUEUE 0
119	# endif	119	# endif
120	# endif	120	# endif
…		…
153		153
154	#endif	154	#endif
155		155
156	#include <math.h>	156	#include <math.h>
157	#include <stdlib.h>	157	#include <stdlib.h>
		158	#include <string.h>
158	#include <fcntl.h>	159	#include <fcntl.h>
159	#include <stddef.h>	160	#include <stddef.h>
160		161
161	#include <stdio.h>	162	#include <stdio.h>
162		163
163	#include <assert.h>	164	#include <assert.h>
164	#include <errno.h>	165	#include <errno.h>
165	#include <sys/types.h>	166	#include <sys/types.h>
166	#include <time.h>	167	#include <time.h>
		168	#include <limits.h>
167		169
168	#include <signal.h>	170	#include <signal.h>
169		171
170	#ifdef EV_H	172	#ifdef EV_H
171	# include EV_H	173	# include EV_H
…		…
182	# define WIN32_LEAN_AND_MEAN	184	# define WIN32_LEAN_AND_MEAN
183	# include <windows.h>	185	# include <windows.h>
184	# ifndef EV_SELECT_IS_WINSOCKET	186	# ifndef EV_SELECT_IS_WINSOCKET
185	# define EV_SELECT_IS_WINSOCKET 1	187	# define EV_SELECT_IS_WINSOCKET 1
186	# endif	188	# endif
		189	# undef EV_AVOID_STDIO
187	#endif	190	#endif
188		191
189	/* this block tries to deduce configuration from header-defined symbols and defaults */	192	/* this block tries to deduce configuration from header-defined symbols and defaults */
190		193
191	/* try to deduce the maximum number of signals on this platform */	194	/* try to deduce the maximum number of signals on this platform */
…		…
204	#elif defined (MAXSIG)	207	#elif defined (MAXSIG)
205	# define EV_NSIG (MAXSIG+1)	208	# define EV_NSIG (MAXSIG+1)
206	#elif defined (MAX_SIG)	209	#elif defined (MAX_SIG)
207	# define EV_NSIG (MAX_SIG+1)	210	# define EV_NSIG (MAX_SIG+1)
208	#elif defined (SIGARRAYSIZE)	211	#elif defined (SIGARRAYSIZE)
209	# define EV_NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */	212	# define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */
210	#elif defined (_sys_nsig)	213	#elif defined (_sys_nsig)
211	# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */	214	# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */
212	#else	215	#else
213	# error "unable to find value for NSIG, please report"	216	# error "unable to find value for NSIG, please report"
214	/* to make it compile regardless, just remove the above line */	217	/* to make it compile regardless, just remove the above line, */
		218	/* but consider reporting it, too! :) */
215	# define EV_NSIG 65	219	# define EV_NSIG 65
216	#endif	220	#endif
217		221
218	#ifndef EV_USE_CLOCK_SYSCALL	222	#ifndef EV_USE_CLOCK_SYSCALL
219	# if __linux && __GLIBC__ >= 2	223	# if __linux && __GLIBC__ >= 2
…		…
302	# define EV_USE_EVENTFD 0	306	# define EV_USE_EVENTFD 0
303	# endif	307	# endif
304	#endif	308	#endif
305		309
306	#ifndef EV_USE_SIGNALFD	310	#ifndef EV_USE_SIGNALFD
307	# if __linux && (__GLIBC__ > 2 \|\| (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 9))	311	# if __linux && (__GLIBC__ > 2 \|\| (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7))
308	# define EV_USE_SIGNALFD 1	312	# define EV_USE_SIGNALFD 1
309	# else	313	# else
310	# define EV_USE_SIGNALFD 0	314	# define EV_USE_SIGNALFD 0
311	# endif	315	# endif
312	#endif	316	#endif
…		…
343	# endif	347	# endif
344	#endif	348	#endif
345		349
346	/* this block fixes any misconfiguration where we know we run into trouble otherwise */	350	/* this block fixes any misconfiguration where we know we run into trouble otherwise */
347		351
		352	#ifdef _AIX
		353	/* AIX has a completely broken poll.h header */
		354	# undef EV_USE_POLL
		355	# define EV_USE_POLL 0
		356	#endif
		357
348	#ifndef CLOCK_MONOTONIC	358	#ifndef CLOCK_MONOTONIC
349	# undef EV_USE_MONOTONIC	359	# undef EV_USE_MONOTONIC
350	# define EV_USE_MONOTONIC 0	360	# define EV_USE_MONOTONIC 0
351	#endif	361	#endif
352		362
…		…
386	# include <stdint.h>	396	# include <stdint.h>
387	# ifndef EFD_NONBLOCK	397	# ifndef EFD_NONBLOCK
388	# define EFD_NONBLOCK O_NONBLOCK	398	# define EFD_NONBLOCK O_NONBLOCK
389	# endif	399	# endif
390	# ifndef EFD_CLOEXEC	400	# ifndef EFD_CLOEXEC
		401	# ifdef O_CLOEXEC
391	# define EFD_CLOEXEC O_CLOEXEC	402	# define EFD_CLOEXEC O_CLOEXEC
		403	# else
		404	# define EFD_CLOEXEC 02000000
		405	# endif
392	# endif	406	# endif
393	# ifdef __cplusplus	407	# ifdef __cplusplus
394	extern "C" {	408	extern "C" {
395	# endif	409	# endif
396	int eventfd (unsigned int initval, int flags);	410	int (eventfd) (unsigned int initval, int flags);
397	# ifdef __cplusplus	411	# ifdef __cplusplus
398	}	412	}
399	# endif	413	# endif
400	#endif	414	#endif
401		415
402	#if EV_USE_SIGNALFD	416	#if EV_USE_SIGNALFD
403	# include <sys/signalfd.h>	417	/* our minimum requirement is glibc 2.7 which has the stub, but not the header */
		418	# include <stdint.h>
		419	# ifndef SFD_NONBLOCK
		420	# define SFD_NONBLOCK O_NONBLOCK
404	#endif	421	# endif
		422	# ifndef SFD_CLOEXEC
		423	# ifdef O_CLOEXEC
		424	# define SFD_CLOEXEC O_CLOEXEC
		425	# else
		426	# define SFD_CLOEXEC 02000000
		427	# endif
		428	# endif
		429	# ifdef __cplusplus
		430	extern "C" {
		431	# endif
		432	int signalfd (int fd, const sigset_t *mask, int flags);
		433
		434	struct signalfd_siginfo
		435	{
		436	uint32_t ssi_signo;
		437	char pad[128 - sizeof (uint32_t)];
		438	};
		439	# ifdef __cplusplus
		440	}
		441	# endif
		442	#endif
		443
405		444
406	/**/	445	/**/
407		446
408	#if EV_VERIFY >= 3	447	#if EV_VERIFY >= 3
409	# define EV_FREQUENT_CHECK ev_loop_verify (EV_A)	448	# define EV_FREQUENT_CHECK ev_loop_verify (EV_A)
…		…
421	*/	460	*/
422	#define TIME_EPSILON 0.0001220703125 /* 1/8192 */	461	#define TIME_EPSILON 0.0001220703125 /* 1/8192 */
423		462
424	#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */	463	#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */
425	#define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */	464	#define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */
426	/#define CLEANUP_INTERVAL (MAX_BLOCKTIME 5.) /* how often to try to free memory and re-check fds, TODO */
427		465
428	#if __GNUC__ >= 4	466	#if __GNUC__ >= 4
429	# define expect(expr,value) __builtin_expect ((expr),(value))	467	# define expect(expr,value) __builtin_expect ((expr),(value))
430	# define noinline __attribute__ ((noinline))	468	# define noinline __attribute__ ((noinline))
431	#else	469	#else
…		…
472		510
473	#if EV_USE_MONOTONIC	511	#if EV_USE_MONOTONIC
474	static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */	512	static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */
475	#endif	513	#endif
476		514
		515	#ifndef EV_FD_TO_WIN32_HANDLE
		516	# define EV_FD_TO_WIN32_HANDLE(fd) _get_osfhandle (fd)
		517	#endif
		518	#ifndef EV_WIN32_HANDLE_TO_FD
		519	# define EV_WIN32_HANDLE_TO_FD(handle) _open_osfhandle (handle, 0)
		520	#endif
		521	#ifndef EV_WIN32_CLOSE_FD
		522	# define EV_WIN32_CLOSE_FD(fd) close (fd)
		523	#endif
		524
477	#ifdef _WIN32	525	#ifdef _WIN32
478	# include "ev_win32.c"	526	# include "ev_win32.c"
479	#endif	527	#endif
480		528
481	/*****************************************************************************/	529	/*****************************************************************************/
		530
		531	#if EV_AVOID_STDIO
		532	static void noinline
		533	ev_printerr (const char *msg)
		534	{
		535	write (STDERR_FILENO, msg, strlen (msg));
		536	}
		537	#endif
482		538
483	static void (syserr_cb)(const char msg);	539	static void (syserr_cb)(const char msg);
484		540
485	void	541	void
486	ev_set_syserr_cb (void (cb)(const char msg))	542	ev_set_syserr_cb (void (cb)(const char msg))
…		…
496		552
497	if (syserr_cb)	553	if (syserr_cb)
498	syserr_cb (msg);	554	syserr_cb (msg);
499	else	555	else
500	{	556	{
		557	#if EV_AVOID_STDIO
		558	const char *err = strerror (errno);
		559
		560	ev_printerr (msg);
		561	ev_printerr (": ");
		562	ev_printerr (err);
		563	ev_printerr ("\n");
		564	#else
501	perror (msg);	565	perror (msg);
		566	#endif
502	abort ();	567	abort ();
503	}	568	}
504	}	569	}
505		570
506	static void *	571	static void *
507	ev_realloc_emul (void *ptr, long size)	572	ev_realloc_emul (void *ptr, long size)
508	{	573	{
		574	#if __GLIBC__
		575	return realloc (ptr, size);
		576	#else
509	/* some systems, notably openbsd and darwin, fail to properly	577	/* some systems, notably openbsd and darwin, fail to properly
510	* implement realloc (x, 0) (as required by both ansi c-98 and	578	* implement realloc (x, 0) (as required by both ansi c-89 and
511	* the single unix specification, so work around them here.	579	* the single unix specification, so work around them here.
512	*/	580	*/
513		581
514	if (size)	582	if (size)
515	return realloc (ptr, size);	583	return realloc (ptr, size);
516		584
517	free (ptr);	585	free (ptr);
518	return 0;	586	return 0;
		587	#endif
519	}	588	}
520		589
521	static void (alloc)(void *ptr, long size) = ev_realloc_emul;	590	static void (alloc)(void *ptr, long size) = ev_realloc_emul;
522		591
523	void	592	void
…		…
531	{	600	{
532	ptr = alloc (ptr, size);	601	ptr = alloc (ptr, size);
533		602
534	if (!ptr && size)	603	if (!ptr && size)
535	{	604	{
		605	#if EV_AVOID_STDIO
		606	ev_printerr ("libev: memory allocation failed, aborting.\n");
		607	#else
536	fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size);	608	fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size);
		609	#endif
537	abort ();	610	abort ();
538	}	611	}
539		612
540	return ptr;	613	return ptr;
541	}	614	}
…		…
872		945
873	#if EV_SELECT_IS_WINSOCKET	946	#if EV_SELECT_IS_WINSOCKET
874	if (events)	947	if (events)
875	{	948	{
876	unsigned long arg;	949	unsigned long arg;
877	#ifdef EV_FD_TO_WIN32_HANDLE
878	anfd->handle = EV_FD_TO_WIN32_HANDLE (fd);	950	anfd->handle = EV_FD_TO_WIN32_HANDLE (fd);
879	#else
880	anfd->handle = _get_osfhandle (fd);
881	#endif
882	assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0));	951	assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0));
883	}	952	}
884	#endif	953	#endif
885		954
886	{	955	{
…		…
924	ev_io_stop (EV_A_ w);	993	ev_io_stop (EV_A_ w);
925	ev_feed_event (EV_A_ (W)w, EV_ERROR \| EV_READ \| EV_WRITE);	994	ev_feed_event (EV_A_ (W)w, EV_ERROR \| EV_READ \| EV_WRITE);
926	}	995	}
927	}	996	}
928		997
929	/* check whether the given fd is atcually valid, for error recovery */	998	/* check whether the given fd is actually valid, for error recovery */
930	inline_size int	999	inline_size int
931	fd_valid (int fd)	1000	fd_valid (int fd)
932	{	1001	{
933	#ifdef _WIN32	1002	#ifdef _WIN32
934	return _get_osfhandle (fd) != -1;	1003	return EV_FD_TO_WIN32_HANDLE (fd) != -1;
935	#else	1004	#else
936	return fcntl (fd, F_GETFD) != -1;	1005	return fcntl (fd, F_GETFD) != -1;
937	#endif	1006	#endif
938	}	1007	}
939		1008
…		…
974	{	1043	{
975	anfds [fd].events = 0;	1044	anfds [fd].events = 0;
976	anfds [fd].emask = 0;	1045	anfds [fd].emask = 0;
977	fd_change (EV_A_ fd, EV__IOFDSET \| EV_ANFD_REIFY);	1046	fd_change (EV_A_ fd, EV__IOFDSET \| EV_ANFD_REIFY);
978	}	1047	}
		1048	}
		1049
		1050	/* used to prepare libev internal fd's */
		1051	/* this is not fork-safe */
		1052	inline_speed void
		1053	fd_intern (int fd)
		1054	{
		1055	#ifdef _WIN32
		1056	unsigned long arg = 1;
		1057	ioctlsocket (EV_FD_TO_WIN32_HANDLE (fd), FIONBIO, &arg);
		1058	#else
		1059	fcntl (fd, F_SETFD, FD_CLOEXEC);
		1060	fcntl (fd, F_SETFL, O_NONBLOCK);
		1061	#endif
979	}	1062	}
980		1063
981	/*****************************************************************************/	1064	/*****************************************************************************/
982		1065
983	/*	1066	/*
…		…
1137		1220
1138	static ANSIG signals [EV_NSIG - 1];	1221	static ANSIG signals [EV_NSIG - 1];
1139		1222
1140	/*****************************************************************************/	1223	/*****************************************************************************/
1141		1224
1142	/* used to prepare libev internal fd's */	1225	#if EV_SIGNAL_ENABLE \|\| EV_ASYNC_ENABLE
1143	/* this is not fork-safe */
1144	inline_speed void
1145	fd_intern (int fd)
1146	{
1147	#ifdef _WIN32
1148	unsigned long arg = 1;
1149	ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg);
1150	#else
1151	fcntl (fd, F_SETFD, FD_CLOEXEC);
1152	fcntl (fd, F_SETFL, O_NONBLOCK);
1153	#endif
1154	}
1155		1226
1156	static void noinline	1227	static void noinline
1157	evpipe_init (EV_P)	1228	evpipe_init (EV_P)
1158	{	1229	{
1159	if (!ev_is_active (&pipe_w))	1230	if (!ev_is_active (&pipe_w))
1160	{	1231	{
1161	#if EV_USE_EVENTFD	1232	# if EV_USE_EVENTFD
1162	evfd = eventfd (0, EFD_NONBLOCK \| EFD_CLOEXEC);	1233	evfd = eventfd (0, EFD_NONBLOCK \| EFD_CLOEXEC);
1163	if (evfd < 0 && errno == EINVAL)	1234	if (evfd < 0 && errno == EINVAL)
1164	evfd = eventfd (0, 0);	1235	evfd = eventfd (0, 0);
1165		1236
1166	if (evfd >= 0)	1237	if (evfd >= 0)
…		…
1168	evpipe [0] = -1;	1239	evpipe [0] = -1;
1169	fd_intern (evfd); /* doing it twice doesn't hurt */	1240	fd_intern (evfd); /* doing it twice doesn't hurt */
1170	ev_io_set (&pipe_w, evfd, EV_READ);	1241	ev_io_set (&pipe_w, evfd, EV_READ);
1171	}	1242	}
1172	else	1243	else
1173	#endif	1244	# endif
1174	{	1245	{
1175	while (pipe (evpipe))	1246	while (pipe (evpipe))
1176	ev_syserr ("(libev) error creating signal/async pipe");	1247	ev_syserr ("(libev) error creating signal/async pipe");
1177		1248
1178	fd_intern (evpipe [0]);	1249	fd_intern (evpipe [0]);
…		…
1189	evpipe_write (EV_P_ EV_ATOMIC_T *flag)	1260	evpipe_write (EV_P_ EV_ATOMIC_T *flag)
1190	{	1261	{
1191	if (!*flag)	1262	if (!*flag)
1192	{	1263	{
1193	int old_errno = errno; /* save errno because write might clobber it */	1264	int old_errno = errno; /* save errno because write might clobber it */
		1265	char dummy;
1194		1266
1195	*flag = 1;	1267	*flag = 1;
1196		1268
1197	#if EV_USE_EVENTFD	1269	#if EV_USE_EVENTFD
1198	if (evfd >= 0)	1270	if (evfd >= 0)
…		…
1200	uint64_t counter = 1;	1272	uint64_t counter = 1;
1201	write (evfd, &counter, sizeof (uint64_t));	1273	write (evfd, &counter, sizeof (uint64_t));
1202	}	1274	}
1203	else	1275	else
1204	#endif	1276	#endif
1205	write (evpipe [1], &old_errno, 1);	1277	write (evpipe [1], &dummy, 1);
1206		1278
1207	errno = old_errno;	1279	errno = old_errno;
1208	}	1280	}
1209	}	1281	}
1210		1282
…		…
1259	{	1331	{
1260	#if EV_MULTIPLICITY	1332	#if EV_MULTIPLICITY
1261	EV_P = signals [signum - 1].loop;	1333	EV_P = signals [signum - 1].loop;
1262	#endif	1334	#endif
1263		1335
1264	#if _WIN32	1336	#ifdef _WIN32
1265	signal (signum, ev_sighandler);	1337	signal (signum, ev_sighandler);
1266	#endif	1338	#endif
1267		1339
1268	signals [signum - 1].pending = 1;	1340	signals [signum - 1].pending = 1;
1269	evpipe_write (EV_A_ &sig_pending);	1341	evpipe_write (EV_A_ &sig_pending);
…		…
1311	break;	1383	break;
1312	}	1384	}
1313	}	1385	}
1314	#endif	1386	#endif
1315		1387
		1388	#endif
		1389
1316	/*****************************************************************************/	1390	/*****************************************************************************/
1317		1391
		1392	#if EV_CHILD_ENABLE
1318	static WL childs [EV_PID_HASHSIZE];	1393	static WL childs [EV_PID_HASHSIZE];
1319
1320	#ifndef _WIN32
1321		1394
1322	static ev_signal childev;	1395	static ev_signal childev;
1323		1396
1324	#ifndef WIFCONTINUED	1397	#ifndef WIFCONTINUED
1325	# define WIFCONTINUED(status) 0	1398	# define WIFCONTINUED(status) 0
…		…
1570	#endif	1643	#endif
1571	#if EV_USE_INOTIFY	1644	#if EV_USE_INOTIFY
1572	fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;	1645	fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;
1573	#endif	1646	#endif
1574	#if EV_USE_SIGNALFD	1647	#if EV_USE_SIGNALFD
1575	sigfd = flags & EVFLAG_NOSIGFD ? -1 : -2;	1648	sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;
1576	#endif	1649	#endif
1577		1650
1578	if (!(flags & 0x0000ffffU))	1651	if (!(flags & 0x0000ffffU))
1579	flags \|= ev_recommended_backends ();	1652	flags \|= ev_recommended_backends ();
1580		1653
…		…
1594	if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags);	1667	if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags);
1595	#endif	1668	#endif
1596		1669
1597	ev_prepare_init (&pending_w, pendingcb);	1670	ev_prepare_init (&pending_w, pendingcb);
1598		1671
		1672	#if EV_SIGNAL_ENABLE \|\| EV_ASYNC_ENABLE
1599	ev_init (&pipe_w, pipecb);	1673	ev_init (&pipe_w, pipecb);
1600	ev_set_priority (&pipe_w, EV_MAXPRI);	1674	ev_set_priority (&pipe_w, EV_MAXPRI);
		1675	#endif
1601	}	1676	}
1602	}	1677	}
1603		1678
1604	/* free up a loop structure */	1679	/* free up a loop structure */
1605	static void noinline	1680	static void noinline
…		…
1617	close (evfd);	1692	close (evfd);
1618	#endif	1693	#endif
1619		1694
1620	if (evpipe [0] >= 0)	1695	if (evpipe [0] >= 0)
1621	{	1696	{
1622	close (evpipe [0]);	1697	EV_WIN32_CLOSE_FD (evpipe [0]);
1623	close (evpipe [1]);	1698	EV_WIN32_CLOSE_FD (evpipe [1]);
1624	}	1699	}
1625	}	1700	}
1626		1701
1627	#if EV_USE_SIGNALFD	1702	#if EV_USE_SIGNALFD
1628	if (ev_is_active (&sigfd_w))	1703	if (ev_is_active (&sigfd_w))
1629	{
1630	/ev_ref (EV_A);/
1631	/ev_io_stop (EV_A_ &sigfd_w);/
1632
1633	close (sigfd);	1704	close (sigfd);
1634	}
1635	#endif	1705	#endif
1636		1706
1637	#if EV_USE_INOTIFY	1707	#if EV_USE_INOTIFY
1638	if (fs_fd >= 0)	1708	if (fs_fd >= 0)
1639	close (fs_fd);	1709	close (fs_fd);
…		…
1724	close (evfd);	1794	close (evfd);
1725	#endif	1795	#endif
1726		1796
1727	if (evpipe [0] >= 0)	1797	if (evpipe [0] >= 0)
1728	{	1798	{
1729	close (evpipe [0]);	1799	EV_WIN32_CLOSE_FD (evpipe [0]);
1730	close (evpipe [1]);	1800	EV_WIN32_CLOSE_FD (evpipe [1]);
1731	}	1801	}
1732		1802
1733	evpipe_init (EV_A);	1803	evpipe_init (EV_A);
1734	/* now iterate over everything, in case we missed something */	1804	/* now iterate over everything, in case we missed something */
1735	pipecb (EV_A_ &pipe_w, EV_READ);	1805	pipecb (EV_A_ &pipe_w, EV_READ);
…		…
1860		1930
1861	assert (checkmax >= checkcnt);	1931	assert (checkmax >= checkcnt);
1862	array_verify (EV_A_ (W *)checks, checkcnt);	1932	array_verify (EV_A_ (W *)checks, checkcnt);
1863		1933
1864	# if 0	1934	# if 0
		1935	#if EV_CHILD_ENABLE
1865	for (w = (ev_child )childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child )((WL)w)->next)	1936	for (w = (ev_child )childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child )((WL)w)->next)
1866	for (signum = EV_NSIG; signum--; ) if (signals [signum].pending)	1937	for (signum = EV_NSIG; signum--; ) if (signals [signum].pending)
		1938	#endif
1867	# endif	1939	# endif
1868	#endif	1940	#endif
1869	}	1941	}
1870	#endif	1942	#endif
1871		1943
…		…
1887		1959
1888	loop_init (EV_A_ flags);	1960	loop_init (EV_A_ flags);
1889		1961
1890	if (ev_backend (EV_A))	1962	if (ev_backend (EV_A))
1891	{	1963	{
1892	#ifndef _WIN32	1964	#if EV_CHILD_ENABLE
1893	ev_signal_init (&childev, childcb, SIGCHLD);	1965	ev_signal_init (&childev, childcb, SIGCHLD);
1894	ev_set_priority (&childev, EV_MAXPRI);	1966	ev_set_priority (&childev, EV_MAXPRI);
1895	ev_signal_start (EV_A_ &childev);	1967	ev_signal_start (EV_A_ &childev);
1896	ev_unref (EV_A); /* child watcher should not keep loop alive */	1968	ev_unref (EV_A); /* child watcher should not keep loop alive */
1897	#endif	1969	#endif
…		…
1910	EV_P = ev_default_loop_ptr;	1982	EV_P = ev_default_loop_ptr;
1911	#endif	1983	#endif
1912		1984
1913	ev_default_loop_ptr = 0;	1985	ev_default_loop_ptr = 0;
1914		1986
1915	#ifndef _WIN32	1987	#if EV_CHILD_ENABLE
1916	ev_ref (EV_A); /* child watcher */	1988	ev_ref (EV_A); /* child watcher */
1917	ev_signal_stop (EV_A_ &childev);	1989	ev_signal_stop (EV_A_ &childev);
1918	#endif	1990	#endif
1919		1991
1920	loop_destroy (EV_A);	1992	loop_destroy (EV_A);
…		…
2127	ANHE_at_cache (*he);	2199	ANHE_at_cache (*he);
2128	}	2200	}
2129	}	2201	}
2130		2202
2131	/* fetch new monotonic and realtime times from the kernel */	2203	/* fetch new monotonic and realtime times from the kernel */
2132	/* also detetc if there was a timejump, and act accordingly */	2204	/* also detect if there was a timejump, and act accordingly */
2133	inline_speed void	2205	inline_speed void
2134	time_update (EV_P_ ev_tstamp max_block)	2206	time_update (EV_P_ ev_tstamp max_block)
2135	{	2207	{
2136	#if EV_USE_MONOTONIC	2208	#if EV_USE_MONOTONIC
2137	if (expect_true (have_monotonic))	2209	if (expect_true (have_monotonic))
…		…
2471		2543
2472	if (expect_false (ev_is_active (w)))	2544	if (expect_false (ev_is_active (w)))
2473	return;	2545	return;
2474		2546
2475	assert (("libev: ev_io_start called with negative fd", fd >= 0));	2547	assert (("libev: ev_io_start called with negative fd", fd >= 0));
2476	assert (("libev: ev_io start called with illegal event mask", !(w->events & ~(EV__IOFDSET \| EV_READ \| EV_WRITE))));	2548	assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET \| EV_READ \| EV_WRITE))));
2477		2549
2478	EV_FREQUENT_CHECK;	2550	EV_FREQUENT_CHECK;
2479		2551
2480	ev_start (EV_A_ (W)w, 1);	2552	ev_start (EV_A_ (W)w, 1);
2481	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);	2553	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);
…		…
2551	timers [active] = timers [timercnt + HEAP0];	2623	timers [active] = timers [timercnt + HEAP0];
2552	adjustheap (timers, timercnt, active);	2624	adjustheap (timers, timercnt, active);
2553	}	2625	}
2554	}	2626	}
2555		2627
2556	EV_FREQUENT_CHECK;
2557
2558	ev_at (w) -= mn_now;	2628	ev_at (w) -= mn_now;
2559		2629
2560	ev_stop (EV_A_ (W)w);	2630	ev_stop (EV_A_ (W)w);
		2631
		2632	EV_FREQUENT_CHECK;
2561	}	2633	}
2562		2634
2563	void noinline	2635	void noinline
2564	ev_timer_again (EV_P_ ev_timer *w)	2636	ev_timer_again (EV_P_ ev_timer *w)
2565	{	2637	{
…		…
2644	periodics [active] = periodics [periodiccnt + HEAP0];	2716	periodics [active] = periodics [periodiccnt + HEAP0];
2645	adjustheap (periodics, periodiccnt, active);	2717	adjustheap (periodics, periodiccnt, active);
2646	}	2718	}
2647	}	2719	}
2648		2720
2649	EV_FREQUENT_CHECK;
2650
2651	ev_stop (EV_A_ (W)w);	2721	ev_stop (EV_A_ (W)w);
		2722
		2723	EV_FREQUENT_CHECK;
2652	}	2724	}
2653		2725
2654	void noinline	2726	void noinline
2655	ev_periodic_again (EV_P_ ev_periodic *w)	2727	ev_periodic_again (EV_P_ ev_periodic *w)
2656	{	2728	{
…		…
2661	#endif	2733	#endif
2662		2734
2663	#ifndef SA_RESTART	2735	#ifndef SA_RESTART
2664	# define SA_RESTART 0	2736	# define SA_RESTART 0
2665	#endif	2737	#endif
		2738
		2739	#if EV_SIGNAL_ENABLE
2666		2740
2667	void noinline	2741	void noinline
2668	ev_signal_start (EV_P_ ev_signal *w)	2742	ev_signal_start (EV_P_ ev_signal *w)
2669	{	2743	{
2670	if (expect_false (ev_is_active (w)))	2744	if (expect_false (ev_is_active (w)))
…		…
2717	if (!((WL)w)->next)	2791	if (!((WL)w)->next)
2718	# if EV_USE_SIGNALFD	2792	# if EV_USE_SIGNALFD
2719	if (sigfd < 0) /TODO/	2793	if (sigfd < 0) /TODO/
2720	# endif	2794	# endif
2721	{	2795	{
2722	# if _WIN32	2796	# ifdef _WIN32
		2797	evpipe_init (EV_A);
		2798
2723	signal (w->signum, ev_sighandler);	2799	signal (w->signum, ev_sighandler);
2724	# else	2800	# else
2725	struct sigaction sa;	2801	struct sigaction sa;
2726		2802
2727	evpipe_init (EV_A);	2803	evpipe_init (EV_A);
…		…
2758	signals [w->signum - 1].loop = 0; /* unattach from signal */	2834	signals [w->signum - 1].loop = 0; /* unattach from signal */
2759	#endif	2835	#endif
2760	#if EV_USE_SIGNALFD	2836	#if EV_USE_SIGNALFD
2761	if (sigfd >= 0)	2837	if (sigfd >= 0)
2762	{	2838	{
2763	sigprocmask (SIG_UNBLOCK, &sigfd_set, 0);//D	2839	sigset_t ss;
		2840
		2841	sigemptyset (&ss);
		2842	sigaddset (&ss, w->signum);
2764	sigdelset (&sigfd_set, w->signum);	2843	sigdelset (&sigfd_set, w->signum);
		2844
2765	signalfd (sigfd, &sigfd_set, 0);	2845	signalfd (sigfd, &sigfd_set, 0);
2766	sigprocmask (SIG_BLOCK, &sigfd_set, 0);//D	2846	sigprocmask (SIG_UNBLOCK, &ss, 0);
2767	/TODO: maybe unblock signal? /
2768	}	2847	}
2769	else	2848	else
2770	#endif	2849	#endif
2771	signal (w->signum, SIG_DFL);	2850	signal (w->signum, SIG_DFL);
2772	}	2851	}
2773		2852
2774	EV_FREQUENT_CHECK;	2853	EV_FREQUENT_CHECK;
2775	}	2854	}
		2855
		2856	#endif
		2857
		2858	#if EV_CHILD_ENABLE
2776		2859
2777	void	2860	void
2778	ev_child_start (EV_P_ ev_child *w)	2861	ev_child_start (EV_P_ ev_child *w)
2779	{	2862	{
2780	#if EV_MULTIPLICITY	2863	#if EV_MULTIPLICITY
…		…
2804	ev_stop (EV_A_ (W)w);	2887	ev_stop (EV_A_ (W)w);
2805		2888
2806	EV_FREQUENT_CHECK;	2889	EV_FREQUENT_CHECK;
2807	}	2890	}
2808		2891
		2892	#endif
		2893
2809	#if EV_STAT_ENABLE	2894	#if EV_STAT_ENABLE
2810		2895
2811	# ifdef _WIN32	2896	# ifdef _WIN32
2812	# undef lstat	2897	# undef lstat
2813	# define lstat(a,b) _stati64 (a,b)	2898	# define lstat(a,b) _stati64 (a,b)
…		…
2818	#define MIN_STAT_INTERVAL 0.1074891	2903	#define MIN_STAT_INTERVAL 0.1074891
2819		2904
2820	static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents);	2905	static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents);
2821		2906
2822	#if EV_USE_INOTIFY	2907	#if EV_USE_INOTIFY
2823	# define EV_INOTIFY_BUFSIZE 8192	2908
		2909	/* the * 2 is to allow for alignment padding, which for some reason is >> 8 */
		2910	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)
2824		2911
2825	static void noinline	2912	static void noinline
2826	infy_add (EV_P_ ev_stat *w)	2913	infy_add (EV_P_ ev_stat *w)
2827	{	2914	{
2828	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);	2915	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);
2829		2916
2830	if (w->wd < 0)	2917	if (w->wd >= 0)
		2918	{
		2919	struct statfs sfs;
		2920
		2921	/* now local changes will be tracked by inotify, but remote changes won't */
		2922	/* unless the filesystem is known to be local, we therefore still poll */
		2923	/* also do poll on <2.6.25, but with normal frequency */
		2924
		2925	if (!fs_2625)
		2926	w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;
		2927	else if (!statfs (w->path, &sfs)
		2928	&& (sfs.f_type == 0x1373 /* devfs */
		2929	\|\| sfs.f_type == 0xEF53 /* ext2/3 */
		2930	\|\| sfs.f_type == 0x3153464a /* jfs */
		2931	\|\| sfs.f_type == 0x52654973 /* reiser3 */
		2932	\|\| sfs.f_type == 0x01021994 /* tempfs */
		2933	\|\| sfs.f_type == 0x58465342 /* xfs */))
		2934	w->timer.repeat = 0.; /* filesystem is local, kernel new enough */
		2935	else
		2936	w->timer.repeat = w->interval ? w->interval : NFS_STAT_INTERVAL; /* remote, use reduced frequency */
2831	{	2937	}
		2938	else
		2939	{
		2940	/* can't use inotify, continue to stat */
2832	w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;	2941	w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;
2833	ev_timer_again (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */
2834		2942
2835	/* monitor some parent directory for speedup hints */	2943	/* if path is not there, monitor some parent directory for speedup hints */
2836	/* note that exceeding the hardcoded path limit is not a correctness issue, */	2944	/* note that exceeding the hardcoded path limit is not a correctness issue, */
2837	/* but an efficiency issue only */	2945	/* but an efficiency issue only */
2838	if ((errno == ENOENT \|\| errno == EACCES) && strlen (w->path) < 4096)	2946	if ((errno == ENOENT \|\| errno == EACCES) && strlen (w->path) < 4096)
2839	{	2947	{
2840	char path [4096];	2948	char path [4096];
…		…
2856	while (w->wd < 0 && (errno == ENOENT \|\| errno == EACCES));	2964	while (w->wd < 0 && (errno == ENOENT \|\| errno == EACCES));
2857	}	2965	}
2858	}	2966	}
2859		2967
2860	if (w->wd >= 0)	2968	if (w->wd >= 0)
2861	{
2862	wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w);	2969	wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w);
2863		2970
2864	/* now local changes will be tracked by inotify, but remote changes won't */	2971	/* now re-arm timer, if required */
2865	/* unless the filesystem it known to be local, we therefore still poll */	2972	if (ev_is_active (&w->timer)) ev_ref (EV_A);
2866	/* also do poll on <2.6.25, but with normal frequency */
2867	struct statfs sfs;
2868
2869	if (fs_2625 && !statfs (w->path, &sfs))
2870	if (sfs.f_type == 0x1373 /* devfs */
2871	\|\| sfs.f_type == 0xEF53 /* ext2/3 */
2872	\|\| sfs.f_type == 0x3153464a /* jfs */
2873	\|\| sfs.f_type == 0x52654973 /* reiser3 */
2874	\|\| sfs.f_type == 0x01021994 /* tempfs */
2875	\|\| sfs.f_type == 0x58465342 /* xfs */)
2876	return;
2877
2878	w->timer.repeat = w->interval ? w->interval : fs_2625 ? NFS_STAT_INTERVAL : DEF_STAT_INTERVAL;
2879	ev_timer_again (EV_A_ &w->timer);	2973	ev_timer_again (EV_A_ &w->timer);
2880	}	2974	if (ev_is_active (&w->timer)) ev_unref (EV_A);
2881	}	2975	}
2882		2976
2883	static void noinline	2977	static void noinline
2884	infy_del (EV_P_ ev_stat *w)	2978	infy_del (EV_P_ ev_stat *w)
2885	{	2979	{
…		…
2930		3024
2931	static void	3025	static void
2932	infy_cb (EV_P_ ev_io *w, int revents)	3026	infy_cb (EV_P_ ev_io *w, int revents)
2933	{	3027	{
2934	char buf [EV_INOTIFY_BUFSIZE];	3028	char buf [EV_INOTIFY_BUFSIZE];
2935	struct inotify_event ev = (struct inotify_event )buf;
2936	int ofs;	3029	int ofs;
2937	int len = read (fs_fd, buf, sizeof (buf));	3030	int len = read (fs_fd, buf, sizeof (buf));
2938		3031
2939	for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len)	3032	for (ofs = 0; ofs < len; )
		3033	{
		3034	struct inotify_event ev = (struct inotify_event )(buf + ofs);
2940	infy_wd (EV_A_ ev->wd, ev->wd, ev);	3035	infy_wd (EV_A_ ev->wd, ev->wd, ev);
		3036	ofs += sizeof (struct inotify_event) + ev->len;
		3037	}
		3038	}
		3039
		3040	inline_size unsigned int
		3041	ev_linux_version (void)
		3042	{
		3043	struct utsname buf;
		3044	unsigned int v;
		3045	int i;
		3046	char *p = buf.release;
		3047
		3048	if (uname (&buf))
		3049	return 0;
		3050
		3051	for (i = 3+1; --i; )
		3052	{
		3053	unsigned int c = 0;
		3054
		3055	for (;;)
		3056	{
		3057	if (p >= '0' && p <= '9')
		3058	c = c * 10 + *p++ - '0';
		3059	else
		3060	{
		3061	p += *p == '.';
		3062	break;
		3063	}
		3064	}
		3065
		3066	v = (v << 8) \| c;
		3067	}
		3068
		3069	return v;
2941	}	3070	}
2942		3071
2943	inline_size void	3072	inline_size void
2944	check_2625 (EV_P)	3073	ev_check_2625 (EV_P)
2945	{	3074	{
2946	/* kernels < 2.6.25 are borked	3075	/* kernels < 2.6.25 are borked
2947	* http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html	3076	* http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html
2948	*/	3077	*/
2949	struct utsname buf;	3078	if (ev_linux_version () < 0x020619)
2950	int major, minor, micro;
2951
2952	if (uname (&buf))
2953	return;	3079	return;
2954		3080
2955	if (sscanf (buf.release, "%d.%d.%d", &major, &minor, &micro) != 3)
2956	return;
2957
2958	if (major < 2
2959	\|\| (major == 2 && minor < 6)
2960	\|\| (major == 2 && minor == 6 && micro < 25))
2961	return;
2962
2963	fs_2625 = 1;	3081	fs_2625 = 1;
		3082	}
		3083
		3084	inline_size int
		3085	infy_newfd (void)
		3086	{
		3087	#if defined (IN_CLOEXEC) && defined (IN_NONBLOCK)
		3088	int fd = inotify_init1 (IN_CLOEXEC \| IN_NONBLOCK);
		3089	if (fd >= 0)
		3090	return fd;
		3091	#endif
		3092	return inotify_init ();
2964	}	3093	}
2965		3094
2966	inline_size void	3095	inline_size void
2967	infy_init (EV_P)	3096	infy_init (EV_P)
2968	{	3097	{
2969	if (fs_fd != -2)	3098	if (fs_fd != -2)
2970	return;	3099	return;
2971		3100
2972	fs_fd = -1;	3101	fs_fd = -1;
2973		3102
2974	check_2625 (EV_A);	3103	ev_check_2625 (EV_A);
2975		3104
2976	fs_fd = inotify_init ();	3105	fs_fd = infy_newfd ();
2977		3106
2978	if (fs_fd >= 0)	3107	if (fs_fd >= 0)
2979	{	3108	{
		3109	fd_intern (fs_fd);
2980	ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ);	3110	ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ);
2981	ev_set_priority (&fs_w, EV_MAXPRI);	3111	ev_set_priority (&fs_w, EV_MAXPRI);
2982	ev_io_start (EV_A_ &fs_w);	3112	ev_io_start (EV_A_ &fs_w);
		3113	ev_unref (EV_A);
2983	}	3114	}
2984	}	3115	}
2985		3116
2986	inline_size void	3117	inline_size void
2987	infy_fork (EV_P)	3118	infy_fork (EV_P)
…		…
2989	int slot;	3120	int slot;
2990		3121
2991	if (fs_fd < 0)	3122	if (fs_fd < 0)
2992	return;	3123	return;
2993		3124
		3125	ev_ref (EV_A);
		3126	ev_io_stop (EV_A_ &fs_w);
2994	close (fs_fd);	3127	close (fs_fd);
2995	fs_fd = inotify_init ();	3128	fs_fd = infy_newfd ();
		3129
		3130	if (fs_fd >= 0)
		3131	{
		3132	fd_intern (fs_fd);
		3133	ev_io_set (&fs_w, fs_fd, EV_READ);
		3134	ev_io_start (EV_A_ &fs_w);
		3135	ev_unref (EV_A);
		3136	}
2996		3137
2997	for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot)	3138	for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot)
2998	{	3139	{
2999	WL w_ = fs_hash [slot].head;	3140	WL w_ = fs_hash [slot].head;
3000	fs_hash [slot].head = 0;	3141	fs_hash [slot].head = 0;
…		…
3007	w->wd = -1;	3148	w->wd = -1;
3008		3149
3009	if (fs_fd >= 0)	3150	if (fs_fd >= 0)
3010	infy_add (EV_A_ w); /* re-add, no matter what */	3151	infy_add (EV_A_ w); /* re-add, no matter what */
3011	else	3152	else
		3153	{
		3154	w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;
		3155	if (ev_is_active (&w->timer)) ev_ref (EV_A);
3012	ev_timer_again (EV_A_ &w->timer);	3156	ev_timer_again (EV_A_ &w->timer);
		3157	if (ev_is_active (&w->timer)) ev_unref (EV_A);
		3158	}
3013	}	3159	}
3014	}	3160	}
3015	}	3161	}
3016		3162
3017	#endif	3163	#endif
…		…
3034	static void noinline	3180	static void noinline
3035	stat_timer_cb (EV_P_ ev_timer *w_, int revents)	3181	stat_timer_cb (EV_P_ ev_timer *w_, int revents)
3036	{	3182	{
3037	ev_stat w = (ev_stat )(((char *)w_) - offsetof (ev_stat, timer));	3183	ev_stat w = (ev_stat )(((char *)w_) - offsetof (ev_stat, timer));
3038		3184
3039	/* we copy this here each the time so that */	3185	ev_statdata prev = w->attr;
3040	/* prev has the old value when the callback gets invoked */
3041	w->prev = w->attr;
3042	ev_stat_stat (EV_A_ w);	3186	ev_stat_stat (EV_A_ w);
3043		3187
3044	/* memcmp doesn't work on netbsd, they.... do stuff to their struct stat */	3188	/* memcmp doesn't work on netbsd, they.... do stuff to their struct stat */
3045	if (	3189	if (
3046	w->prev.st_dev != w->attr.st_dev	3190	prev.st_dev != w->attr.st_dev
3047	\|\| w->prev.st_ino != w->attr.st_ino	3191	\|\| prev.st_ino != w->attr.st_ino
3048	\|\| w->prev.st_mode != w->attr.st_mode	3192	\|\| prev.st_mode != w->attr.st_mode
3049	\|\| w->prev.st_nlink != w->attr.st_nlink	3193	\|\| prev.st_nlink != w->attr.st_nlink
3050	\|\| w->prev.st_uid != w->attr.st_uid	3194	\|\| prev.st_uid != w->attr.st_uid
3051	\|\| w->prev.st_gid != w->attr.st_gid	3195	\|\| prev.st_gid != w->attr.st_gid
3052	\|\| w->prev.st_rdev != w->attr.st_rdev	3196	\|\| prev.st_rdev != w->attr.st_rdev
3053	\|\| w->prev.st_size != w->attr.st_size	3197	\|\| prev.st_size != w->attr.st_size
3054	\|\| w->prev.st_atime != w->attr.st_atime	3198	\|\| prev.st_atime != w->attr.st_atime
3055	\|\| w->prev.st_mtime != w->attr.st_mtime	3199	\|\| prev.st_mtime != w->attr.st_mtime
3056	\|\| w->prev.st_ctime != w->attr.st_ctime	3200	\|\| prev.st_ctime != w->attr.st_ctime
3057	) {	3201	) {
		3202	/* we only update w->prev on actual differences */
		3203	/* in case we test more often than invoke the callback, */
		3204	/* to ensure that prev is always different to attr */
		3205	w->prev = prev;
		3206
3058	#if EV_USE_INOTIFY	3207	#if EV_USE_INOTIFY
3059	if (fs_fd >= 0)	3208	if (fs_fd >= 0)
3060	{	3209	{
3061	infy_del (EV_A_ w);	3210	infy_del (EV_A_ w);
3062	infy_add (EV_A_ w);	3211	infy_add (EV_A_ w);
…		…
3087		3236
3088	if (fs_fd >= 0)	3237	if (fs_fd >= 0)
3089	infy_add (EV_A_ w);	3238	infy_add (EV_A_ w);
3090	else	3239	else
3091	#endif	3240	#endif
		3241	{
3092	ev_timer_again (EV_A_ &w->timer);	3242	ev_timer_again (EV_A_ &w->timer);
		3243	ev_unref (EV_A);
		3244	}
3093		3245
3094	ev_start (EV_A_ (W)w, 1);	3246	ev_start (EV_A_ (W)w, 1);
3095		3247
3096	EV_FREQUENT_CHECK;	3248	EV_FREQUENT_CHECK;
3097	}	3249	}
…		…
3106	EV_FREQUENT_CHECK;	3258	EV_FREQUENT_CHECK;
3107		3259
3108	#if EV_USE_INOTIFY	3260	#if EV_USE_INOTIFY
3109	infy_del (EV_A_ w);	3261	infy_del (EV_A_ w);
3110	#endif	3262	#endif
		3263
		3264	if (ev_is_active (&w->timer))
		3265	{
		3266	ev_ref (EV_A);
3111	ev_timer_stop (EV_A_ &w->timer);	3267	ev_timer_stop (EV_A_ &w->timer);
		3268	}
3112		3269
3113	ev_stop (EV_A_ (W)w);	3270	ev_stop (EV_A_ (W)w);
3114		3271
3115	EV_FREQUENT_CHECK;	3272	EV_FREQUENT_CHECK;
3116	}	3273	}
…		…
3335	EV_FREQUENT_CHECK;	3492	EV_FREQUENT_CHECK;
3336		3493
3337	ev_io_stop (EV_A_ &w->io);	3494	ev_io_stop (EV_A_ &w->io);
3338	ev_prepare_stop (EV_A_ &w->prepare);	3495	ev_prepare_stop (EV_A_ &w->prepare);
3339	ev_fork_stop (EV_A_ &w->fork);	3496	ev_fork_stop (EV_A_ &w->fork);
		3497
		3498	ev_stop (EV_A_ (W)w);
3340		3499
3341	EV_FREQUENT_CHECK;	3500	EV_FREQUENT_CHECK;
3342	}	3501	}
3343	#endif	3502	#endif
3344		3503

Diff Legend

-–
+Removed lines
-+
+Added lines
-<
+Changed lines
->
+Changed lines

Comparing libev/ev.c (file contents): Revision 1.310 by root, Sun Jul 26 04:43:03 2009 UTC vs. Revision 1.336 by root, Wed Mar 10 08:19:38 2010 UTC

Diff Legend

Comparing libev/ev.c (file contents):
Revision 1.310 by root, Sun Jul 26 04:43:03 2009 UTC vs.
Revision 1.336 by root, Wed Mar 10 08:19:38 2010 UTC