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

Comparing libev/ev.c (file contents):
Revision 1.302 by root, Thu Jul 16 15:08:08 2009 UTC vs.
Revision 1.325 by root, Sun Jan 24 12:31:55 2010 UTC

…		…
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
…		…
133	# else	133	# else
134	# define EV_USE_INOTIFY 0	134	# define EV_USE_INOTIFY 0
135	# endif	135	# endif
136	# endif	136	# endif
137		137
		138	# ifndef EV_USE_SIGNALFD
		139	# if HAVE_SIGNALFD && HAVE_SYS_SIGNALFD_H
		140	# define EV_USE_SIGNALFD 1
		141	# else
		142	# define EV_USE_SIGNALFD 0
		143	# endif
		144	# endif
		145
138	# ifndef EV_USE_EVENTFD	146	# ifndef EV_USE_EVENTFD
139	# if HAVE_EVENTFD	147	# if HAVE_EVENTFD
140	# define EV_USE_EVENTFD 1	148	# define EV_USE_EVENTFD 1
141	# else	149	# else
142	# define EV_USE_EVENTFD 0	150	# define EV_USE_EVENTFD 0
…		…
145		153
146	#endif	154	#endif
147		155
148	#include <math.h>	156	#include <math.h>
149	#include <stdlib.h>	157	#include <stdlib.h>
		158	#include <string.h>
150	#include <fcntl.h>	159	#include <fcntl.h>
151	#include <stddef.h>	160	#include <stddef.h>
152		161
153	#include <stdio.h>	162	#include <stdio.h>
154		163
…		…
178	# endif	187	# endif
179	#endif	188	#endif
180		189
181	/* this block tries to deduce configuration from header-defined symbols and defaults */	190	/* this block tries to deduce configuration from header-defined symbols and defaults */
182		191
		192	/* try to deduce the maximum number of signals on this platform */
		193	#if defined (EV_NSIG)
		194	/* use what's provided */
		195	#elif defined (NSIG)
		196	# define EV_NSIG (NSIG)
		197	#elif defined(_NSIG)
		198	# define EV_NSIG (_NSIG)
		199	#elif defined (SIGMAX)
		200	# define EV_NSIG (SIGMAX+1)
		201	#elif defined (SIG_MAX)
		202	# define EV_NSIG (SIG_MAX+1)
		203	#elif defined (_SIG_MAX)
		204	# define EV_NSIG (_SIG_MAX+1)
		205	#elif defined (MAXSIG)
		206	# define EV_NSIG (MAXSIG+1)
		207	#elif defined (MAX_SIG)
		208	# define EV_NSIG (MAX_SIG+1)
		209	#elif defined (SIGARRAYSIZE)
		210	# define EV_NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */
		211	#elif defined (_sys_nsig)
		212	# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */
		213	#else
		214	# error "unable to find value for NSIG, please report"
		215	/* to make it compile regardless, just remove the above line */
		216	# define EV_NSIG 65
		217	#endif
		218
183	#ifndef EV_USE_CLOCK_SYSCALL	219	#ifndef EV_USE_CLOCK_SYSCALL
184	# if __linux && __GLIBC__ >= 2	220	# if __linux && __GLIBC__ >= 2
185	# define EV_USE_CLOCK_SYSCALL 1	221	# define EV_USE_CLOCK_SYSCALL 1
186	# else	222	# else
187	# define EV_USE_CLOCK_SYSCALL 0	223	# define EV_USE_CLOCK_SYSCALL 0
…		…
263	#ifndef EV_USE_EVENTFD	299	#ifndef EV_USE_EVENTFD
264	# if __linux && (__GLIBC__ > 2 \|\| (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7))	300	# if __linux && (__GLIBC__ > 2 \|\| (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7))
265	# define EV_USE_EVENTFD 1	301	# define EV_USE_EVENTFD 1
266	# else	302	# else
267	# define EV_USE_EVENTFD 0	303	# define EV_USE_EVENTFD 0
		304	# endif
		305	#endif
		306
		307	#ifndef EV_USE_SIGNALFD
		308	# if __linux && (__GLIBC__ > 2 \|\| (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7))
		309	# define EV_USE_SIGNALFD 1
		310	# else
		311	# define EV_USE_SIGNALFD 0
268	# endif	312	# endif
269	#endif	313	#endif
270		314
271	#if 0 /* debugging */	315	#if 0 /* debugging */
272	# define EV_VERIFY 3	316	# define EV_VERIFY 3
…		…
300	# endif	344	# endif
301	#endif	345	#endif
302		346
303	/* this block fixes any misconfiguration where we know we run into trouble otherwise */	347	/* this block fixes any misconfiguration where we know we run into trouble otherwise */
304		348
		349	#ifdef _AIX
		350	/* AIX has a completely broken poll.h header */
		351	# undef EV_USE_POLL
		352	# define EV_USE_POLL 0
		353	#endif
		354
305	#ifndef CLOCK_MONOTONIC	355	#ifndef CLOCK_MONOTONIC
306	# undef EV_USE_MONOTONIC	356	# undef EV_USE_MONOTONIC
307	# define EV_USE_MONOTONIC 0	357	# define EV_USE_MONOTONIC 0
308	#endif	358	#endif
309		359
…		…
339	#endif	389	#endif
340		390
341	#if EV_USE_EVENTFD	391	#if EV_USE_EVENTFD
342	/* our minimum requirement is glibc 2.7 which has the stub, but not the header */	392	/* our minimum requirement is glibc 2.7 which has the stub, but not the header */
343	# include <stdint.h>	393	# include <stdint.h>
		394	# ifndef EFD_NONBLOCK
		395	# define EFD_NONBLOCK O_NONBLOCK
		396	# endif
		397	# ifndef EFD_CLOEXEC
		398	# ifdef O_CLOEXEC
		399	# define EFD_CLOEXEC O_CLOEXEC
		400	# else
		401	# define EFD_CLOEXEC 02000000
		402	# endif
		403	# endif
344	# ifdef __cplusplus	404	# ifdef __cplusplus
345	extern "C" {	405	extern "C" {
346	# endif	406	# endif
347	int eventfd (unsigned int initval, int flags);	407	int eventfd (unsigned int initval, int flags);
348	# ifdef __cplusplus	408	# ifdef __cplusplus
349	}	409	}
350	# endif	410	# endif
351	#endif	411	#endif
		412
		413	#if EV_USE_SIGNALFD
		414	/* our minimum requirement is glibc 2.7 which has the stub, but not the header */
		415	# include <stdint.h>
		416	# ifndef SFD_NONBLOCK
		417	# define SFD_NONBLOCK O_NONBLOCK
		418	# endif
		419	# ifndef SFD_CLOEXEC
		420	# ifdef O_CLOEXEC
		421	# define SFD_CLOEXEC O_CLOEXEC
		422	# else
		423	# define SFD_CLOEXEC 02000000
		424	# endif
		425	# endif
		426	# ifdef __cplusplus
		427	extern "C" {
		428	# endif
		429	int signalfd (int fd, const sigset_t *mask, int flags);
		430
		431	struct signalfd_siginfo
		432	{
		433	uint32_t ssi_signo;
		434	char pad[128 - sizeof (uint32_t)];
		435	};
		436	# ifdef __cplusplus
		437	}
		438	# endif
		439	#endif
		440
352		441
353	/**/	442	/**/
354		443
355	#if EV_VERIFY >= 3	444	#if EV_VERIFY >= 3
356	# define EV_FREQUENT_CHECK ev_loop_verify (EV_A)	445	# define EV_FREQUENT_CHECK ev_loop_verify (EV_A)
…		…
368	*/	457	*/
369	#define TIME_EPSILON 0.0001220703125 /* 1/8192 */	458	#define TIME_EPSILON 0.0001220703125 /* 1/8192 */
370		459
371	#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */	460	#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */
372	#define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */	461	#define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */
373	/#define CLEANUP_INTERVAL (MAX_BLOCKTIME 5.) /* how often to try to free memory and re-check fds, TODO */
374		462
375	#if __GNUC__ >= 4	463	#if __GNUC__ >= 4
376	# define expect(expr,value) __builtin_expect ((expr),(value))	464	# define expect(expr,value) __builtin_expect ((expr),(value))
377	# define noinline __attribute__ ((noinline))	465	# define noinline __attribute__ ((noinline))
378	#else	466	#else
…		…
417	static EV_ATOMIC_T have_realtime; /* did clock_gettime (CLOCK_REALTIME) work? */	505	static EV_ATOMIC_T have_realtime; /* did clock_gettime (CLOCK_REALTIME) work? */
418	#endif	506	#endif
419		507
420	#if EV_USE_MONOTONIC	508	#if EV_USE_MONOTONIC
421	static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */	509	static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */
		510	#endif
		511
		512	#ifndef EV_FD_TO_WIN32_HANDLE
		513	# define EV_FD_TO_WIN32_HANDLE(fd) _get_osfhandle (fd)
		514	#endif
		515	#ifndef EV_WIN32_HANDLE_TO_FD
		516	# define EV_WIN32_HANDLE_TO_FD(handle) _open_osfhandle (handle, 0)
		517	#endif
		518	#ifndef EV_WIN32_CLOSE_FD
		519	# define EV_WIN32_CLOSE_FD(fd) close (fd)
422	#endif	520	#endif
423		521
424	#ifdef _WIN32	522	#ifdef _WIN32
425	# include "ev_win32.c"	523	# include "ev_win32.c"
426	#endif	524	#endif
…		…
819		917
820	#if EV_SELECT_IS_WINSOCKET	918	#if EV_SELECT_IS_WINSOCKET
821	if (events)	919	if (events)
822	{	920	{
823	unsigned long arg;	921	unsigned long arg;
824	#ifdef EV_FD_TO_WIN32_HANDLE
825	anfd->handle = EV_FD_TO_WIN32_HANDLE (fd);	922	anfd->handle = EV_FD_TO_WIN32_HANDLE (fd);
826	#else
827	anfd->handle = _get_osfhandle (fd);
828	#endif
829	assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0));	923	assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0));
830	}	924	}
831	#endif	925	#endif
832		926
833	{	927	{
…		…
876	/* check whether the given fd is atcually valid, for error recovery */	970	/* check whether the given fd is atcually valid, for error recovery */
877	inline_size int	971	inline_size int
878	fd_valid (int fd)	972	fd_valid (int fd)
879	{	973	{
880	#ifdef _WIN32	974	#ifdef _WIN32
881	return _get_osfhandle (fd) != -1;	975	return EV_FD_TO_WIN32_HANDLE (fd) != -1;
882	#else	976	#else
883	return fcntl (fd, F_GETFD) != -1;	977	return fcntl (fd, F_GETFD) != -1;
884	#endif	978	#endif
885	}	979	}
886		980
…		…
904		998
905	for (fd = anfdmax; fd--; )	999	for (fd = anfdmax; fd--; )
906	if (anfds [fd].events)	1000	if (anfds [fd].events)
907	{	1001	{
908	fd_kill (EV_A_ fd);	1002	fd_kill (EV_A_ fd);
909	return;	1003	break;
910	}	1004	}
911	}	1005	}
912		1006
913	/* usually called after fork if backend needs to re-arm all fds from scratch */	1007	/* usually called after fork if backend needs to re-arm all fds from scratch */
914	static void noinline	1008	static void noinline
…		…
1004		1098
1005	for (;;)	1099	for (;;)
1006	{	1100	{
1007	int c = k << 1;	1101	int c = k << 1;
1008		1102
1009	if (c > N + HEAP0 - 1)	1103	if (c >= N + HEAP0)
1010	break;	1104	break;
1011		1105
1012	c += c + 1 < N + HEAP0 && ANHE_at (heap [c]) > ANHE_at (heap [c + 1])	1106	c += c + 1 < N + HEAP0 && ANHE_at (heap [c]) > ANHE_at (heap [c + 1])
1013	? 1 : 0;	1107	? 1 : 0;
1014		1108
…		…
1050		1144
1051	/* move an element suitably so it is in a correct place */	1145	/* move an element suitably so it is in a correct place */
1052	inline_size void	1146	inline_size void
1053	adjustheap (ANHE *heap, int N, int k)	1147	adjustheap (ANHE *heap, int N, int k)
1054	{	1148	{
1055	if (k > HEAP0 && ANHE_at (heap [HPARENT (k)]) >= ANHE_at (heap [k]))	1149	if (k > HEAP0 && ANHE_at (heap [k]) <= ANHE_at (heap [HPARENT (k)]))
1056	upheap (heap, k);	1150	upheap (heap, k);
1057	else	1151	else
1058	downheap (heap, N, k);	1152	downheap (heap, N, k);
1059	}	1153	}
1060		1154
…		…
1073	/*****************************************************************************/	1167	/*****************************************************************************/
1074		1168
1075	/* associate signal watchers to a signal signal */	1169	/* associate signal watchers to a signal signal */
1076	typedef struct	1170	typedef struct
1077	{	1171	{
		1172	EV_ATOMIC_T pending;
		1173	#if EV_MULTIPLICITY
		1174	EV_P;
		1175	#endif
1078	WL head;	1176	WL head;
1079	EV_ATOMIC_T gotsig;
1080	} ANSIG;	1177	} ANSIG;
1081		1178
1082	static ANSIG *signals;	1179	static ANSIG signals [EV_NSIG - 1];
1083	static int signalmax;
1084
1085	static EV_ATOMIC_T gotsig;
1086		1180
1087	/*****************************************************************************/	1181	/*****************************************************************************/
1088		1182
1089	/* used to prepare libev internal fd's */	1183	/* used to prepare libev internal fd's */
1090	/* this is not fork-safe */	1184	/* this is not fork-safe */
1091	inline_speed void	1185	inline_speed void
1092	fd_intern (int fd)	1186	fd_intern (int fd)
1093	{	1187	{
1094	#ifdef _WIN32	1188	#ifdef _WIN32
1095	unsigned long arg = 1;	1189	unsigned long arg = 1;
1096	ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg);	1190	ioctlsocket (EV_FD_TO_WIN32_HANDLE (fd), FIONBIO, &arg);
1097	#else	1191	#else
1098	fcntl (fd, F_SETFD, FD_CLOEXEC);	1192	fcntl (fd, F_SETFD, FD_CLOEXEC);
1099	fcntl (fd, F_SETFL, O_NONBLOCK);	1193	fcntl (fd, F_SETFL, O_NONBLOCK);
1100	#endif	1194	#endif
1101	}	1195	}
…		…
1104	evpipe_init (EV_P)	1198	evpipe_init (EV_P)
1105	{	1199	{
1106	if (!ev_is_active (&pipe_w))	1200	if (!ev_is_active (&pipe_w))
1107	{	1201	{
1108	#if EV_USE_EVENTFD	1202	#if EV_USE_EVENTFD
		1203	evfd = eventfd (0, EFD_NONBLOCK \| EFD_CLOEXEC);
		1204	if (evfd < 0 && errno == EINVAL)
1109	if ((evfd = eventfd (0, 0)) >= 0)	1205	evfd = eventfd (0, 0);
		1206
		1207	if (evfd >= 0)
1110	{	1208	{
1111	evpipe [0] = -1;	1209	evpipe [0] = -1;
1112	fd_intern (evfd);	1210	fd_intern (evfd); /* doing it twice doesn't hurt */
1113	ev_io_set (&pipe_w, evfd, EV_READ);	1211	ev_io_set (&pipe_w, evfd, EV_READ);
1114	}	1212	}
1115	else	1213	else
1116	#endif	1214	#endif
1117	{	1215	{
…		…
1154	/* called whenever the libev signal pipe */	1252	/* called whenever the libev signal pipe */
1155	/* got some events (signal, async) */	1253	/* got some events (signal, async) */
1156	static void	1254	static void
1157	pipecb (EV_P_ ev_io *iow, int revents)	1255	pipecb (EV_P_ ev_io *iow, int revents)
1158	{	1256	{
		1257	int i;
		1258
1159	#if EV_USE_EVENTFD	1259	#if EV_USE_EVENTFD
1160	if (evfd >= 0)	1260	if (evfd >= 0)
1161	{	1261	{
1162	uint64_t counter;	1262	uint64_t counter;
1163	read (evfd, &counter, sizeof (uint64_t));	1263	read (evfd, &counter, sizeof (uint64_t));
…		…
1167	{	1267	{
1168	char dummy;	1268	char dummy;
1169	read (evpipe [0], &dummy, 1);	1269	read (evpipe [0], &dummy, 1);
1170	}	1270	}
1171		1271
1172	if (gotsig && ev_is_default_loop (EV_A))	1272	if (sig_pending)
1173	{	1273	{
1174	int signum;	1274	sig_pending = 0;
1175	gotsig = 0;
1176		1275
1177	for (signum = signalmax; signum--; )	1276	for (i = EV_NSIG - 1; i--; )
1178	if (signals [signum].gotsig)	1277	if (expect_false (signals [i].pending))
1179	ev_feed_signal_event (EV_A_ signum + 1);	1278	ev_feed_signal_event (EV_A_ i + 1);
1180	}	1279	}
1181		1280
1182	#if EV_ASYNC_ENABLE	1281	#if EV_ASYNC_ENABLE
1183	if (gotasync)	1282	if (async_pending)
1184	{	1283	{
1185	int i;	1284	async_pending = 0;
1186	gotasync = 0;
1187		1285
1188	for (i = asynccnt; i--; )	1286	for (i = asynccnt; i--; )
1189	if (asyncs [i]->sent)	1287	if (asyncs [i]->sent)
1190	{	1288	{
1191	asyncs [i]->sent = 0;	1289	asyncs [i]->sent = 0;
…		…
1199		1297
1200	static void	1298	static void
1201	ev_sighandler (int signum)	1299	ev_sighandler (int signum)
1202	{	1300	{
1203	#if EV_MULTIPLICITY	1301	#if EV_MULTIPLICITY
1204	struct ev_loop *loop = &default_loop_struct;	1302	EV_P = signals [signum - 1].loop;
1205	#endif	1303	#endif
1206		1304
1207	#if _WIN32	1305	#ifdef _WIN32
1208	signal (signum, ev_sighandler);	1306	signal (signum, ev_sighandler);
1209	#endif	1307	#endif
1210		1308
1211	signals [signum - 1].gotsig = 1;	1309	signals [signum - 1].pending = 1;
1212	evpipe_write (EV_A_ &gotsig);	1310	evpipe_write (EV_A_ &sig_pending);
1213	}	1311	}
1214		1312
1215	void noinline	1313	void noinline
1216	ev_feed_signal_event (EV_P_ int signum)	1314	ev_feed_signal_event (EV_P_ int signum)
1217	{	1315	{
1218	WL w;	1316	WL w;
1219		1317
		1318	if (expect_false (signum <= 0 \|\| signum > EV_NSIG))
		1319	return;
		1320
		1321	--signum;
		1322
1220	#if EV_MULTIPLICITY	1323	#if EV_MULTIPLICITY
1221	assert (("libev: feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr));	1324	/* it is permissible to try to feed a signal to the wrong loop */
1222	#endif	1325	/* or, likely more useful, feeding a signal nobody is waiting for */
1223		1326
1224	--signum;	1327	if (expect_false (signals [signum].loop != EV_A))
1225
1226	if (signum < 0 \|\| signum >= signalmax)
1227	return;	1328	return;
		1329	#endif
1228		1330
1229	signals [signum].gotsig = 0;	1331	signals [signum].pending = 0;
1230		1332
1231	for (w = signals [signum].head; w; w = w->next)	1333	for (w = signals [signum].head; w; w = w->next)
1232	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);	1334	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);
1233	}	1335	}
		1336
		1337	#if EV_USE_SIGNALFD
		1338	static void
		1339	sigfdcb (EV_P_ ev_io *iow, int revents)
		1340	{
		1341	struct signalfd_siginfo si[2], sip; / these structs are big */
		1342
		1343	for (;;)
		1344	{
		1345	ssize_t res = read (sigfd, si, sizeof (si));
		1346
		1347	/* not ISO-C, as res might be -1, but works with SuS */
		1348	for (sip = si; (char )sip < (char )si + res; ++sip)
		1349	ev_feed_signal_event (EV_A_ sip->ssi_signo);
		1350
		1351	if (res < (ssize_t)sizeof (si))
		1352	break;
		1353	}
		1354	}
		1355	#endif
1234		1356
1235	/*****************************************************************************/	1357	/*****************************************************************************/
1236		1358
1237	static WL childs [EV_PID_HASHSIZE];	1359	static WL childs [EV_PID_HASHSIZE];
1238		1360
…		…
1458	if (!clock_gettime (CLOCK_MONOTONIC, &ts))	1580	if (!clock_gettime (CLOCK_MONOTONIC, &ts))
1459	have_monotonic = 1;	1581	have_monotonic = 1;
1460	}	1582	}
1461	#endif	1583	#endif
1462		1584
		1585	/* pid check not overridable via env */
		1586	#ifndef _WIN32
		1587	if (flags & EVFLAG_FORKCHECK)
		1588	curpid = getpid ();
		1589	#endif
		1590
		1591	if (!(flags & EVFLAG_NOENV)
		1592	&& !enable_secure ()
		1593	&& getenv ("LIBEV_FLAGS"))
		1594	flags = atoi (getenv ("LIBEV_FLAGS"));
		1595
1463	ev_rt_now = ev_time ();	1596	ev_rt_now = ev_time ();
1464	mn_now = get_clock ();	1597	mn_now = get_clock ();
1465	now_floor = mn_now;	1598	now_floor = mn_now;
1466	rtmn_diff = ev_rt_now - mn_now;	1599	rtmn_diff = ev_rt_now - mn_now;
1467	#if EV_MINIMAL < 2	1600	#if EV_MINIMAL < 2
…		…
1470		1603
1471	io_blocktime = 0.;	1604	io_blocktime = 0.;
1472	timeout_blocktime = 0.;	1605	timeout_blocktime = 0.;
1473	backend = 0;	1606	backend = 0;
1474	backend_fd = -1;	1607	backend_fd = -1;
1475	gotasync = 0;	1608	sig_pending = 0;
		1609	#if EV_ASYNC_ENABLE
		1610	async_pending = 0;
		1611	#endif
1476	#if EV_USE_INOTIFY	1612	#if EV_USE_INOTIFY
1477	fs_fd = -2;	1613	fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;
1478	#endif	1614	#endif
1479		1615	#if EV_USE_SIGNALFD
1480	/* pid check not overridable via env */	1616	sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;
1481	#ifndef _WIN32
1482	if (flags & EVFLAG_FORKCHECK)
1483	curpid = getpid ();
1484	#endif	1617	#endif
1485
1486	if (!(flags & EVFLAG_NOENV)
1487	&& !enable_secure ()
1488	&& getenv ("LIBEV_FLAGS"))
1489	flags = atoi (getenv ("LIBEV_FLAGS"));
1490		1618
1491	if (!(flags & 0x0000ffffU))	1619	if (!(flags & 0x0000ffffU))
1492	flags \|= ev_recommended_backends ();	1620	flags \|= ev_recommended_backends ();
1493		1621
1494	#if EV_USE_PORT	1622	#if EV_USE_PORT
…		…
1520	{	1648	{
1521	int i;	1649	int i;
1522		1650
1523	if (ev_is_active (&pipe_w))	1651	if (ev_is_active (&pipe_w))
1524	{	1652	{
1525	ev_ref (EV_A); /* signal watcher */	1653	/ev_ref (EV_A);/
1526	ev_io_stop (EV_A_ &pipe_w);	1654	/ev_io_stop (EV_A_ &pipe_w);/
1527		1655
1528	#if EV_USE_EVENTFD	1656	#if EV_USE_EVENTFD
1529	if (evfd >= 0)	1657	if (evfd >= 0)
1530	close (evfd);	1658	close (evfd);
1531	#endif	1659	#endif
1532		1660
1533	if (evpipe [0] >= 0)	1661	if (evpipe [0] >= 0)
1534	{	1662	{
1535	close (evpipe [0]);	1663	EV_WIN32_CLOSE_FD (evpipe [0]);
1536	close (evpipe [1]);	1664	EV_WIN32_CLOSE_FD (evpipe [1]);
1537	}	1665	}
1538	}	1666	}
		1667
		1668	#if EV_USE_SIGNALFD
		1669	if (ev_is_active (&sigfd_w))
		1670	close (sigfd);
		1671	#endif
1539		1672
1540	#if EV_USE_INOTIFY	1673	#if EV_USE_INOTIFY
1541	if (fs_fd >= 0)	1674	if (fs_fd >= 0)
1542	close (fs_fd);	1675	close (fs_fd);
1543	#endif	1676	#endif
…		…
1567	#if EV_IDLE_ENABLE	1700	#if EV_IDLE_ENABLE
1568	array_free (idle, [i]);	1701	array_free (idle, [i]);
1569	#endif	1702	#endif
1570	}	1703	}
1571		1704
1572	ev_free (anfds); anfdmax = 0;	1705	ev_free (anfds); anfds = 0; anfdmax = 0;
1573		1706
1574	/* have to use the microsoft-never-gets-it-right macro */	1707	/* have to use the microsoft-never-gets-it-right macro */
1575	array_free (rfeed, EMPTY);	1708	array_free (rfeed, EMPTY);
1576	array_free (fdchange, EMPTY);	1709	array_free (fdchange, EMPTY);
1577	array_free (timer, EMPTY);	1710	array_free (timer, EMPTY);
…		…
1612		1745
1613	if (ev_is_active (&pipe_w))	1746	if (ev_is_active (&pipe_w))
1614	{	1747	{
1615	/* this "locks" the handlers against writing to the pipe */	1748	/* this "locks" the handlers against writing to the pipe */
1616	/* while we modify the fd vars */	1749	/* while we modify the fd vars */
1617	gotsig = 1;	1750	sig_pending = 1;
1618	#if EV_ASYNC_ENABLE	1751	#if EV_ASYNC_ENABLE
1619	gotasync = 1;	1752	async_pending = 1;
1620	#endif	1753	#endif
1621		1754
1622	ev_ref (EV_A);	1755	ev_ref (EV_A);
1623	ev_io_stop (EV_A_ &pipe_w);	1756	ev_io_stop (EV_A_ &pipe_w);
1624		1757
…		…
1627	close (evfd);	1760	close (evfd);
1628	#endif	1761	#endif
1629		1762
1630	if (evpipe [0] >= 0)	1763	if (evpipe [0] >= 0)
1631	{	1764	{
1632	close (evpipe [0]);	1765	EV_WIN32_CLOSE_FD (evpipe [0]);
1633	close (evpipe [1]);	1766	EV_WIN32_CLOSE_FD (evpipe [1]);
1634	}	1767	}
1635		1768
1636	evpipe_init (EV_A);	1769	evpipe_init (EV_A);
1637	/* now iterate over everything, in case we missed something */	1770	/* now iterate over everything, in case we missed something */
1638	pipecb (EV_A_ &pipe_w, EV_READ);	1771	pipecb (EV_A_ &pipe_w, EV_READ);
…		…
1644	#if EV_MULTIPLICITY	1777	#if EV_MULTIPLICITY
1645		1778
1646	struct ev_loop *	1779	struct ev_loop *
1647	ev_loop_new (unsigned int flags)	1780	ev_loop_new (unsigned int flags)
1648	{	1781	{
1649	struct ev_loop loop = (struct ev_loop )ev_malloc (sizeof (struct ev_loop));	1782	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
1650		1783
1651	memset (loop, 0, sizeof (struct ev_loop));	1784	memset (EV_A, 0, sizeof (struct ev_loop));
1652
1653	loop_init (EV_A_ flags);	1785	loop_init (EV_A_ flags);
1654		1786
1655	if (ev_backend (EV_A))	1787	if (ev_backend (EV_A))
1656	return loop;	1788	return EV_A;
1657		1789
1658	return 0;	1790	return 0;
1659	}	1791	}
1660		1792
1661	void	1793	void
…		…
1765	assert (checkmax >= checkcnt);	1897	assert (checkmax >= checkcnt);
1766	array_verify (EV_A_ (W *)checks, checkcnt);	1898	array_verify (EV_A_ (W *)checks, checkcnt);
1767		1899
1768	# if 0	1900	# if 0
1769	for (w = (ev_child )childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child )((WL)w)->next)	1901	for (w = (ev_child )childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child )((WL)w)->next)
1770	for (signum = signalmax; signum--; ) if (signals [signum].gotsig)	1902	for (signum = EV_NSIG; signum--; ) if (signals [signum].pending)
1771	# endif	1903	# endif
1772	#endif	1904	#endif
1773	}	1905	}
1774	#endif	1906	#endif
1775		1907
…		…
1782	#endif	1914	#endif
1783	{	1915	{
1784	if (!ev_default_loop_ptr)	1916	if (!ev_default_loop_ptr)
1785	{	1917	{
1786	#if EV_MULTIPLICITY	1918	#if EV_MULTIPLICITY
1787	struct ev_loop *loop = ev_default_loop_ptr = &default_loop_struct;	1919	EV_P = ev_default_loop_ptr = &default_loop_struct;
1788	#else	1920	#else
1789	ev_default_loop_ptr = 1;	1921	ev_default_loop_ptr = 1;
1790	#endif	1922	#endif
1791		1923
1792	loop_init (EV_A_ flags);	1924	loop_init (EV_A_ flags);
…		…
1809		1941
1810	void	1942	void
1811	ev_default_destroy (void)	1943	ev_default_destroy (void)
1812	{	1944	{
1813	#if EV_MULTIPLICITY	1945	#if EV_MULTIPLICITY
1814	struct ev_loop *loop = ev_default_loop_ptr;	1946	EV_P = ev_default_loop_ptr;
1815	#endif	1947	#endif
1816		1948
1817	ev_default_loop_ptr = 0;	1949	ev_default_loop_ptr = 0;
1818		1950
1819	#ifndef _WIN32	1951	#ifndef _WIN32
…		…
1826		1958
1827	void	1959	void
1828	ev_default_fork (void)	1960	ev_default_fork (void)
1829	{	1961	{
1830	#if EV_MULTIPLICITY	1962	#if EV_MULTIPLICITY
1831	struct ev_loop *loop = ev_default_loop_ptr;	1963	EV_P = ev_default_loop_ptr;
1832	#endif	1964	#endif
1833		1965
1834	postfork = 1; /* must be in line with ev_loop_fork */	1966	postfork = 1; /* must be in line with ev_loop_fork */
1835	}	1967	}
1836		1968
…		…
2031	ANHE_at_cache (*he);	2163	ANHE_at_cache (*he);
2032	}	2164	}
2033	}	2165	}
2034		2166
2035	/* fetch new monotonic and realtime times from the kernel */	2167	/* fetch new monotonic and realtime times from the kernel */
2036	/* also detetc if there was a timejump, and act accordingly */	2168	/* also detect if there was a timejump, and act accordingly */
2037	inline_speed void	2169	inline_speed void
2038	time_update (EV_P_ ev_tstamp max_block)	2170	time_update (EV_P_ ev_tstamp max_block)
2039	{	2171	{
2040	#if EV_USE_MONOTONIC	2172	#if EV_USE_MONOTONIC
2041	if (expect_true (have_monotonic))	2173	if (expect_true (have_monotonic))
…		…
2302	inline_size void	2434	inline_size void
2303	wlist_del (WL *head, WL elem)	2435	wlist_del (WL *head, WL elem)
2304	{	2436	{
2305	while (*head)	2437	while (*head)
2306	{	2438	{
2307	if (*head == elem)	2439	if (expect_true (*head == elem))
2308	{	2440	{
2309	*head = elem->next;	2441	*head = elem->next;
2310	return;	2442	break;
2311	}	2443	}
2312		2444
2313	head = &(*head)->next;	2445	head = &(*head)->next;
2314	}	2446	}
2315	}	2447	}
…		…
2569	#endif	2701	#endif
2570		2702
2571	void noinline	2703	void noinline
2572	ev_signal_start (EV_P_ ev_signal *w)	2704	ev_signal_start (EV_P_ ev_signal *w)
2573	{	2705	{
2574	#if EV_MULTIPLICITY
2575	assert (("libev: signal watchers are only supported in the default loop", loop == ev_default_loop_ptr));
2576	#endif
2577	if (expect_false (ev_is_active (w)))	2706	if (expect_false (ev_is_active (w)))
2578	return;	2707	return;
2579		2708
2580	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0));	2709	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));
2581		2710
2582	evpipe_init (EV_A);	2711	#if EV_MULTIPLICITY
		2712	assert (("libev: a signal must not be attached to two different loops",
		2713	!signals [w->signum - 1].loop \|\| signals [w->signum - 1].loop == loop));
2583		2714
2584	EV_FREQUENT_CHECK;	2715	signals [w->signum - 1].loop = EV_A;
		2716	#endif
2585		2717
		2718	EV_FREQUENT_CHECK;
		2719
		2720	#if EV_USE_SIGNALFD
		2721	if (sigfd == -2)
2586	{	2722	{
2587	#ifndef _WIN32	2723	sigfd = signalfd (-1, &sigfd_set, SFD_NONBLOCK \| SFD_CLOEXEC);
2588	sigset_t full, prev;	2724	if (sigfd < 0 && errno == EINVAL)
2589	sigfillset (&full);	2725	sigfd = signalfd (-1, &sigfd_set, 0); /* retry without flags */
2590	sigprocmask (SIG_SETMASK, &full, &prev);
2591	#endif
2592		2726
2593	array_needsize (ANSIG, signals, signalmax, w->signum, array_init_zero);	2727	if (sigfd >= 0)
		2728	{
		2729	fd_intern (sigfd); /* doing it twice will not hurt */
2594		2730
2595	#ifndef _WIN32	2731	sigemptyset (&sigfd_set);
2596	sigprocmask (SIG_SETMASK, &prev, 0);	2732
2597	#endif	2733	ev_io_init (&sigfd_w, sigfdcb, sigfd, EV_READ);
		2734	ev_set_priority (&sigfd_w, EV_MAXPRI);
		2735	ev_io_start (EV_A_ &sigfd_w);
		2736	ev_unref (EV_A); /* signalfd watcher should not keep loop alive */
		2737	}
2598	}	2738	}
		2739
		2740	if (sigfd >= 0)
		2741	{
		2742	/* TODO: check .head */
		2743	sigaddset (&sigfd_set, w->signum);
		2744	sigprocmask (SIG_BLOCK, &sigfd_set, 0);
		2745
		2746	signalfd (sigfd, &sigfd_set, 0);
		2747	}
		2748	#endif
2599		2749
2600	ev_start (EV_A_ (W)w, 1);	2750	ev_start (EV_A_ (W)w, 1);
2601	wlist_add (&signals [w->signum - 1].head, (WL)w);	2751	wlist_add (&signals [w->signum - 1].head, (WL)w);
2602		2752
2603	if (!((WL)w)->next)	2753	if (!((WL)w)->next)
		2754	# if EV_USE_SIGNALFD
		2755	if (sigfd < 0) /TODO/
		2756	# endif
2604	{	2757	{
2605	#if _WIN32	2758	# ifdef _WIN32
		2759	evpipe_init (EV_A);
		2760
2606	signal (w->signum, ev_sighandler);	2761	signal (w->signum, ev_sighandler);
2607	#else	2762	# else
2608	struct sigaction sa = { };	2763	struct sigaction sa;
		2764
		2765	evpipe_init (EV_A);
		2766
2609	sa.sa_handler = ev_sighandler;	2767	sa.sa_handler = ev_sighandler;
2610	sigfillset (&sa.sa_mask);	2768	sigfillset (&sa.sa_mask);
2611	sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */	2769	sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */
2612	sigaction (w->signum, &sa, 0);	2770	sigaction (w->signum, &sa, 0);
		2771
		2772	sigemptyset (&sa.sa_mask);
		2773	sigaddset (&sa.sa_mask, w->signum);
		2774	sigprocmask (SIG_UNBLOCK, &sa.sa_mask, 0);
2613	#endif	2775	#endif
2614	}	2776	}
2615		2777
2616	EV_FREQUENT_CHECK;	2778	EV_FREQUENT_CHECK;
2617	}	2779	}
2618		2780
2619	void noinline	2781	void noinline
…		…
2627		2789
2628	wlist_del (&signals [w->signum - 1].head, (WL)w);	2790	wlist_del (&signals [w->signum - 1].head, (WL)w);
2629	ev_stop (EV_A_ (W)w);	2791	ev_stop (EV_A_ (W)w);
2630		2792
2631	if (!signals [w->signum - 1].head)	2793	if (!signals [w->signum - 1].head)
		2794	{
		2795	#if EV_MULTIPLICITY
		2796	signals [w->signum - 1].loop = 0; /* unattach from signal */
		2797	#endif
		2798	#if EV_USE_SIGNALFD
		2799	if (sigfd >= 0)
		2800	{
		2801	sigset_t ss;
		2802
		2803	sigemptyset (&ss);
		2804	sigaddset (&ss, w->signum);
		2805	sigdelset (&sigfd_set, w->signum);
		2806
		2807	signalfd (sigfd, &sigfd_set, 0);
		2808	sigprocmask (SIG_UNBLOCK, &ss, 0);
		2809	}
		2810	else
		2811	#endif
2632	signal (w->signum, SIG_DFL);	2812	signal (w->signum, SIG_DFL);
		2813	}
2633		2814
2634	EV_FREQUENT_CHECK;	2815	EV_FREQUENT_CHECK;
2635	}	2816	}
2636		2817
2637	void	2818	void
…		…
2685	static void noinline	2866	static void noinline
2686	infy_add (EV_P_ ev_stat *w)	2867	infy_add (EV_P_ ev_stat *w)
2687	{	2868	{
2688	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);	2869	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);
2689		2870
2690	if (w->wd < 0)	2871	if (w->wd >= 0)
		2872	{
		2873	struct statfs sfs;
		2874
		2875	/* now local changes will be tracked by inotify, but remote changes won't */
		2876	/* unless the filesystem is known to be local, we therefore still poll */
		2877	/* also do poll on <2.6.25, but with normal frequency */
		2878
		2879	if (!fs_2625)
		2880	w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;
		2881	else if (!statfs (w->path, &sfs)
		2882	&& (sfs.f_type == 0x1373 /* devfs */
		2883	\|\| sfs.f_type == 0xEF53 /* ext2/3 */
		2884	\|\| sfs.f_type == 0x3153464a /* jfs */
		2885	\|\| sfs.f_type == 0x52654973 /* reiser3 */
		2886	\|\| sfs.f_type == 0x01021994 /* tempfs */
		2887	\|\| sfs.f_type == 0x58465342 /* xfs */))
		2888	w->timer.repeat = 0.; /* filesystem is local, kernel new enough */
		2889	else
		2890	w->timer.repeat = w->interval ? w->interval : NFS_STAT_INTERVAL; /* remote, use reduced frequency */
2691	{	2891	}
		2892	else
		2893	{
		2894	/* can't use inotify, continue to stat */
2692	w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;	2895	w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;
2693	ev_timer_again (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */
2694		2896
2695	/* monitor some parent directory for speedup hints */	2897	/* if path is not there, monitor some parent directory for speedup hints */
2696	/* note that exceeding the hardcoded path limit is not a correctness issue, */	2898	/* note that exceeding the hardcoded path limit is not a correctness issue, */
2697	/* but an efficiency issue only */	2899	/* but an efficiency issue only */
2698	if ((errno == ENOENT \|\| errno == EACCES) && strlen (w->path) < 4096)	2900	if ((errno == ENOENT \|\| errno == EACCES) && strlen (w->path) < 4096)
2699	{	2901	{
2700	char path [4096];	2902	char path [4096];
…		…
2716	while (w->wd < 0 && (errno == ENOENT \|\| errno == EACCES));	2918	while (w->wd < 0 && (errno == ENOENT \|\| errno == EACCES));
2717	}	2919	}
2718	}	2920	}
2719		2921
2720	if (w->wd >= 0)	2922	if (w->wd >= 0)
2721	{
2722	wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w);	2923	wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w);
2723		2924
2724	/* now local changes will be tracked by inotify, but remote changes won't */	2925	/* now re-arm timer, if required */
2725	/* unless the filesystem it known to be local, we therefore still poll */	2926	if (ev_is_active (&w->timer)) ev_ref (EV_A);
2726	/* also do poll on <2.6.25, but with normal frequency */
2727	struct statfs sfs;
2728
2729	if (fs_2625 && !statfs (w->path, &sfs))
2730	if (sfs.f_type == 0x1373 /* devfs */
2731	\|\| sfs.f_type == 0xEF53 /* ext2/3 */
2732	\|\| sfs.f_type == 0x3153464a /* jfs */
2733	\|\| sfs.f_type == 0x52654973 /* reiser3 */
2734	\|\| sfs.f_type == 0x01021994 /* tempfs */
2735	\|\| sfs.f_type == 0x58465342 /* xfs */)
2736	return;
2737
2738	w->timer.repeat = w->interval ? w->interval : fs_2625 ? NFS_STAT_INTERVAL : DEF_STAT_INTERVAL;
2739	ev_timer_again (EV_A_ &w->timer);	2927	ev_timer_again (EV_A_ &w->timer);
2740	}	2928	if (ev_is_active (&w->timer)) ev_unref (EV_A);
2741	}	2929	}
2742		2930
2743	static void noinline	2931	static void noinline
2744	infy_del (EV_P_ ev_stat *w)	2932	infy_del (EV_P_ ev_stat *w)
2745	{	2933	{
…		…
2821	return;	3009	return;
2822		3010
2823	fs_2625 = 1;	3011	fs_2625 = 1;
2824	}	3012	}
2825		3013
		3014	inline_size int
		3015	infy_newfd (void)
		3016	{
		3017	#if defined (IN_CLOEXEC) && defined (IN_NONBLOCK)
		3018	int fd = inotify_init1 (IN_CLOEXEC \| IN_NONBLOCK);
		3019	if (fd >= 0)
		3020	return fd;
		3021	#endif
		3022	return inotify_init ();
		3023	}
		3024
2826	inline_size void	3025	inline_size void
2827	infy_init (EV_P)	3026	infy_init (EV_P)
2828	{	3027	{
2829	if (fs_fd != -2)	3028	if (fs_fd != -2)
2830	return;	3029	return;
2831		3030
2832	fs_fd = -1;	3031	fs_fd = -1;
2833		3032
2834	check_2625 (EV_A);	3033	check_2625 (EV_A);
2835		3034
2836	fs_fd = inotify_init ();	3035	fs_fd = infy_newfd ();
2837		3036
2838	if (fs_fd >= 0)	3037	if (fs_fd >= 0)
2839	{	3038	{
		3039	fd_intern (fs_fd);
2840	ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ);	3040	ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ);
2841	ev_set_priority (&fs_w, EV_MAXPRI);	3041	ev_set_priority (&fs_w, EV_MAXPRI);
2842	ev_io_start (EV_A_ &fs_w);	3042	ev_io_start (EV_A_ &fs_w);
		3043	ev_unref (EV_A);
2843	}	3044	}
2844	}	3045	}
2845		3046
2846	inline_size void	3047	inline_size void
2847	infy_fork (EV_P)	3048	infy_fork (EV_P)
…		…
2849	int slot;	3050	int slot;
2850		3051
2851	if (fs_fd < 0)	3052	if (fs_fd < 0)
2852	return;	3053	return;
2853		3054
		3055	ev_ref (EV_A);
		3056	ev_io_stop (EV_A_ &fs_w);
2854	close (fs_fd);	3057	close (fs_fd);
2855	fs_fd = inotify_init ();	3058	fs_fd = infy_newfd ();
		3059
		3060	if (fs_fd >= 0)
		3061	{
		3062	fd_intern (fs_fd);
		3063	ev_io_set (&fs_w, fs_fd, EV_READ);
		3064	ev_io_start (EV_A_ &fs_w);
		3065	ev_unref (EV_A);
		3066	}
2856		3067
2857	for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot)	3068	for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot)
2858	{	3069	{
2859	WL w_ = fs_hash [slot].head;	3070	WL w_ = fs_hash [slot].head;
2860	fs_hash [slot].head = 0;	3071	fs_hash [slot].head = 0;
…		…
2867	w->wd = -1;	3078	w->wd = -1;
2868		3079
2869	if (fs_fd >= 0)	3080	if (fs_fd >= 0)
2870	infy_add (EV_A_ w); /* re-add, no matter what */	3081	infy_add (EV_A_ w); /* re-add, no matter what */
2871	else	3082	else
		3083	{
		3084	w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;
		3085	if (ev_is_active (&w->timer)) ev_ref (EV_A);
2872	ev_timer_again (EV_A_ &w->timer);	3086	ev_timer_again (EV_A_ &w->timer);
		3087	if (ev_is_active (&w->timer)) ev_unref (EV_A);
		3088	}
2873	}	3089	}
2874	}	3090	}
2875	}	3091	}
2876		3092
2877	#endif	3093	#endif
…		…
2894	static void noinline	3110	static void noinline
2895	stat_timer_cb (EV_P_ ev_timer *w_, int revents)	3111	stat_timer_cb (EV_P_ ev_timer *w_, int revents)
2896	{	3112	{
2897	ev_stat w = (ev_stat )(((char *)w_) - offsetof (ev_stat, timer));	3113	ev_stat w = (ev_stat )(((char *)w_) - offsetof (ev_stat, timer));
2898		3114
2899	/* we copy this here each the time so that */	3115	ev_statdata prev = w->attr;
2900	/* prev has the old value when the callback gets invoked */
2901	w->prev = w->attr;
2902	ev_stat_stat (EV_A_ w);	3116	ev_stat_stat (EV_A_ w);
2903		3117
2904	/* memcmp doesn't work on netbsd, they.... do stuff to their struct stat */	3118	/* memcmp doesn't work on netbsd, they.... do stuff to their struct stat */
2905	if (	3119	if (
2906	w->prev.st_dev != w->attr.st_dev	3120	prev.st_dev != w->attr.st_dev
2907	\|\| w->prev.st_ino != w->attr.st_ino	3121	\|\| prev.st_ino != w->attr.st_ino
2908	\|\| w->prev.st_mode != w->attr.st_mode	3122	\|\| prev.st_mode != w->attr.st_mode
2909	\|\| w->prev.st_nlink != w->attr.st_nlink	3123	\|\| prev.st_nlink != w->attr.st_nlink
2910	\|\| w->prev.st_uid != w->attr.st_uid	3124	\|\| prev.st_uid != w->attr.st_uid
2911	\|\| w->prev.st_gid != w->attr.st_gid	3125	\|\| prev.st_gid != w->attr.st_gid
2912	\|\| w->prev.st_rdev != w->attr.st_rdev	3126	\|\| prev.st_rdev != w->attr.st_rdev
2913	\|\| w->prev.st_size != w->attr.st_size	3127	\|\| prev.st_size != w->attr.st_size
2914	\|\| w->prev.st_atime != w->attr.st_atime	3128	\|\| prev.st_atime != w->attr.st_atime
2915	\|\| w->prev.st_mtime != w->attr.st_mtime	3129	\|\| prev.st_mtime != w->attr.st_mtime
2916	\|\| w->prev.st_ctime != w->attr.st_ctime	3130	\|\| prev.st_ctime != w->attr.st_ctime
2917	) {	3131	) {
		3132	/* we only update w->prev on actual differences */
		3133	/* in case we test more often than invoke the callback, */
		3134	/* to ensure that prev is always different to attr */
		3135	w->prev = prev;
		3136
2918	#if EV_USE_INOTIFY	3137	#if EV_USE_INOTIFY
2919	if (fs_fd >= 0)	3138	if (fs_fd >= 0)
2920	{	3139	{
2921	infy_del (EV_A_ w);	3140	infy_del (EV_A_ w);
2922	infy_add (EV_A_ w);	3141	infy_add (EV_A_ w);
…		…
2947		3166
2948	if (fs_fd >= 0)	3167	if (fs_fd >= 0)
2949	infy_add (EV_A_ w);	3168	infy_add (EV_A_ w);
2950	else	3169	else
2951	#endif	3170	#endif
		3171	{
2952	ev_timer_again (EV_A_ &w->timer);	3172	ev_timer_again (EV_A_ &w->timer);
		3173	ev_unref (EV_A);
		3174	}
2953		3175
2954	ev_start (EV_A_ (W)w, 1);	3176	ev_start (EV_A_ (W)w, 1);
2955		3177
2956	EV_FREQUENT_CHECK;	3178	EV_FREQUENT_CHECK;
2957	}	3179	}
…		…
2966	EV_FREQUENT_CHECK;	3188	EV_FREQUENT_CHECK;
2967		3189
2968	#if EV_USE_INOTIFY	3190	#if EV_USE_INOTIFY
2969	infy_del (EV_A_ w);	3191	infy_del (EV_A_ w);
2970	#endif	3192	#endif
		3193
		3194	if (ev_is_active (&w->timer))
		3195	{
		3196	ev_ref (EV_A);
2971	ev_timer_stop (EV_A_ &w->timer);	3197	ev_timer_stop (EV_A_ &w->timer);
		3198	}
2972		3199
2973	ev_stop (EV_A_ (W)w);	3200	ev_stop (EV_A_ (W)w);
2974		3201
2975	EV_FREQUENT_CHECK;	3202	EV_FREQUENT_CHECK;
2976	}	3203	}
…		…
3117	embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents)	3344	embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents)
3118	{	3345	{
3119	ev_embed w = (ev_embed )(((char *)prepare) - offsetof (ev_embed, prepare));	3346	ev_embed w = (ev_embed )(((char *)prepare) - offsetof (ev_embed, prepare));
3120		3347
3121	{	3348	{
3122	struct ev_loop *loop = w->other;	3349	EV_P = w->other;
3123		3350
3124	while (fdchangecnt)	3351	while (fdchangecnt)
3125	{	3352	{
3126	fd_reify (EV_A);	3353	fd_reify (EV_A);
3127	ev_loop (EV_A_ EVLOOP_NONBLOCK);	3354	ev_loop (EV_A_ EVLOOP_NONBLOCK);
…		…
3135	ev_embed w = (ev_embed )(((char *)fork_w) - offsetof (ev_embed, fork));	3362	ev_embed w = (ev_embed )(((char *)fork_w) - offsetof (ev_embed, fork));
3136		3363
3137	ev_embed_stop (EV_A_ w);	3364	ev_embed_stop (EV_A_ w);
3138		3365
3139	{	3366	{
3140	struct ev_loop *loop = w->other;	3367	EV_P = w->other;
3141		3368
3142	ev_loop_fork (EV_A);	3369	ev_loop_fork (EV_A);
3143	ev_loop (EV_A_ EVLOOP_NONBLOCK);	3370	ev_loop (EV_A_ EVLOOP_NONBLOCK);
3144	}	3371	}
3145		3372
…		…
3159	{	3386	{
3160	if (expect_false (ev_is_active (w)))	3387	if (expect_false (ev_is_active (w)))
3161	return;	3388	return;
3162		3389
3163	{	3390	{
3164	struct ev_loop *loop = w->other;	3391	EV_P = w->other;
3165	assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ()));	3392	assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ()));
3166	ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ);	3393	ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ);
3167	}	3394	}
3168		3395
3169	EV_FREQUENT_CHECK;	3396	EV_FREQUENT_CHECK;
…		…
3281		3508
3282	void	3509	void
3283	ev_async_send (EV_P_ ev_async *w)	3510	ev_async_send (EV_P_ ev_async *w)
3284	{	3511	{
3285	w->sent = 1;	3512	w->sent = 1;
3286	evpipe_write (EV_A_ &gotasync);	3513	evpipe_write (EV_A_ &async_pending);
3287	}	3514	}
3288	#endif	3515	#endif
3289		3516
3290	/*****************************************************************************/	3517	/*****************************************************************************/
3291		3518
…		…
3440	if (types & EV_CHECK)	3667	if (types & EV_CHECK)
3441	for (i = checkcnt; i--; )	3668	for (i = checkcnt; i--; )
3442	cb (EV_A_ EV_CHECK, checks [i]);	3669	cb (EV_A_ EV_CHECK, checks [i]);
3443		3670
3444	if (types & EV_SIGNAL)	3671	if (types & EV_SIGNAL)
3445	for (i = 0; i < signalmax; ++i)	3672	for (i = 0; i < EV_NSIG - 1; ++i)
3446	for (wl = signals [i].head; wl; )	3673	for (wl = signals [i].head; wl; )
3447	{	3674	{
3448	wn = wl->next;	3675	wn = wl->next;
3449	cb (EV_A_ EV_SIGNAL, wl);	3676	cb (EV_A_ EV_SIGNAL, wl);
3450	wl = wn;	3677	wl = wn;

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Comparing libev/ev.c (file contents): Revision 1.302 by root, Thu Jul 16 15:08:08 2009 UTC vs. Revision 1.325 by root, Sun Jan 24 12:31:55 2010 UTC

Diff Legend

Comparing libev/ev.c (file contents):
Revision 1.302 by root, Thu Jul 16 15:08:08 2009 UTC vs.
Revision 1.325 by root, Sun Jan 24 12:31:55 2010 UTC