[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 1.320 by root, Fri Dec 4 20:25:06 2009 UTC

…		…
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
…		…
339	#endif	383	#endif
340		384
341	#if EV_USE_EVENTFD	385	#if EV_USE_EVENTFD
342	/* our minimum requirement is glibc 2.7 which has the stub, but not the header */	386	/* our minimum requirement is glibc 2.7 which has the stub, but not the header */
343	# include <stdint.h>	387	# include <stdint.h>
		388	# ifndef EFD_NONBLOCK
		389	# define EFD_NONBLOCK O_NONBLOCK
		390	# endif
		391	# ifndef EFD_CLOEXEC
		392	# ifdef O_CLOEXEC
		393	# define EFD_CLOEXEC O_CLOEXEC
		394	# else
		395	# define EFD_CLOEXEC 02000000
		396	# endif
		397	# endif
344	# ifdef __cplusplus	398	# ifdef __cplusplus
345	extern "C" {	399	extern "C" {
346	# endif	400	# endif
347	int eventfd (unsigned int initval, int flags);	401	int eventfd (unsigned int initval, int flags);
348	# ifdef __cplusplus	402	# ifdef __cplusplus
349	}	403	}
350	# endif	404	# endif
351	#endif	405	#endif
		406
		407	#if EV_USE_SIGNALFD
		408	/* our minimum requirement is glibc 2.7 which has the stub, but not the header */
		409	# include <stdint.h>
		410	# ifndef SFD_NONBLOCK
		411	# define SFD_NONBLOCK O_NONBLOCK
		412	# endif
		413	# ifndef SFD_CLOEXEC
		414	# ifdef O_CLOEXEC
		415	# define SFD_CLOEXEC O_CLOEXEC
		416	# else
		417	# define SFD_CLOEXEC 02000000
		418	# endif
		419	# endif
		420	# ifdef __cplusplus
		421	extern "C" {
		422	# endif
		423	int signalfd (int fd, const sigset_t *mask, int flags);
		424
		425	struct signalfd_siginfo
		426	{
		427	uint32_t ssi_signo;
		428	char pad[128 - sizeof (uint32_t)];
		429	};
		430	# ifdef __cplusplus
		431	}
		432	# endif
		433	#endif
		434
352		435
353	/**/	436	/**/
354		437
355	#if EV_VERIFY >= 3	438	#if EV_VERIFY >= 3
356	# define EV_FREQUENT_CHECK ev_loop_verify (EV_A)	439	# define EV_FREQUENT_CHECK ev_loop_verify (EV_A)
…		…
368	*/	451	*/
369	#define TIME_EPSILON 0.0001220703125 /* 1/8192 */	452	#define TIME_EPSILON 0.0001220703125 /* 1/8192 */
370		453
371	#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */	454	#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) */	455	#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		456
375	#if __GNUC__ >= 4	457	#if __GNUC__ >= 4
376	# define expect(expr,value) __builtin_expect ((expr),(value))	458	# define expect(expr,value) __builtin_expect ((expr),(value))
377	# define noinline __attribute__ ((noinline))	459	# define noinline __attribute__ ((noinline))
378	#else	460	#else
…		…
417	static EV_ATOMIC_T have_realtime; /* did clock_gettime (CLOCK_REALTIME) work? */	499	static EV_ATOMIC_T have_realtime; /* did clock_gettime (CLOCK_REALTIME) work? */
418	#endif	500	#endif
419		501
420	#if EV_USE_MONOTONIC	502	#if EV_USE_MONOTONIC
421	static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */	503	static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */
		504	#endif
		505
		506	#ifndef EV_FD_TO_WIN32_HANDLE
		507	# define EV_FD_TO_WIN32_HANDLE(fd) _get_osfhandle (fd)
		508	#endif
		509	#ifndef EV_WIN32_HANDLE_TO_FD
		510	# define EV_WIN32_HANDLE_TO_FD(handle) _open_osfhandle (fd, 0)
		511	#endif
		512	#ifndef EV_WIN32_CLOSE_FD
		513	# define EV_WIN32_CLOSE_FD(fd) close (fd)
422	#endif	514	#endif
423		515
424	#ifdef _WIN32	516	#ifdef _WIN32
425	# include "ev_win32.c"	517	# include "ev_win32.c"
426	#endif	518	#endif
…		…
819		911
820	#if EV_SELECT_IS_WINSOCKET	912	#if EV_SELECT_IS_WINSOCKET
821	if (events)	913	if (events)
822	{	914	{
823	unsigned long arg;	915	unsigned long arg;
824	#ifdef EV_FD_TO_WIN32_HANDLE
825	anfd->handle = EV_FD_TO_WIN32_HANDLE (fd);	916	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));	917	assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0));
830	}	918	}
831	#endif	919	#endif
832		920
833	{	921	{
…		…
904		992
905	for (fd = anfdmax; fd--; )	993	for (fd = anfdmax; fd--; )
906	if (anfds [fd].events)	994	if (anfds [fd].events)
907	{	995	{
908	fd_kill (EV_A_ fd);	996	fd_kill (EV_A_ fd);
909	return;	997	break;
910	}	998	}
911	}	999	}
912		1000
913	/* usually called after fork if backend needs to re-arm all fds from scratch */	1001	/* usually called after fork if backend needs to re-arm all fds from scratch */
914	static void noinline	1002	static void noinline
…		…
1004		1092
1005	for (;;)	1093	for (;;)
1006	{	1094	{
1007	int c = k << 1;	1095	int c = k << 1;
1008		1096
1009	if (c > N + HEAP0 - 1)	1097	if (c >= N + HEAP0)
1010	break;	1098	break;
1011		1099
1012	c += c + 1 < N + HEAP0 && ANHE_at (heap [c]) > ANHE_at (heap [c + 1])	1100	c += c + 1 < N + HEAP0 && ANHE_at (heap [c]) > ANHE_at (heap [c + 1])
1013	? 1 : 0;	1101	? 1 : 0;
1014		1102
…		…
1050		1138
1051	/* move an element suitably so it is in a correct place */	1139	/* move an element suitably so it is in a correct place */
1052	inline_size void	1140	inline_size void
1053	adjustheap (ANHE *heap, int N, int k)	1141	adjustheap (ANHE *heap, int N, int k)
1054	{	1142	{
1055	if (k > HEAP0 && ANHE_at (heap [HPARENT (k)]) >= ANHE_at (heap [k]))	1143	if (k > HEAP0 && ANHE_at (heap [k]) <= ANHE_at (heap [HPARENT (k)]))
1056	upheap (heap, k);	1144	upheap (heap, k);
1057	else	1145	else
1058	downheap (heap, N, k);	1146	downheap (heap, N, k);
1059	}	1147	}
1060		1148
…		…
1073	/*****************************************************************************/	1161	/*****************************************************************************/
1074		1162
1075	/* associate signal watchers to a signal signal */	1163	/* associate signal watchers to a signal signal */
1076	typedef struct	1164	typedef struct
1077	{	1165	{
		1166	EV_ATOMIC_T pending;
		1167	#if EV_MULTIPLICITY
		1168	EV_P;
		1169	#endif
1078	WL head;	1170	WL head;
1079	EV_ATOMIC_T gotsig;
1080	} ANSIG;	1171	} ANSIG;
1081		1172
1082	static ANSIG *signals;	1173	static ANSIG signals [EV_NSIG - 1];
1083	static int signalmax;
1084
1085	static EV_ATOMIC_T gotsig;
1086		1174
1087	/*****************************************************************************/	1175	/*****************************************************************************/
1088		1176
1089	/* used to prepare libev internal fd's */	1177	/* used to prepare libev internal fd's */
1090	/* this is not fork-safe */	1178	/* this is not fork-safe */
…		…
1104	evpipe_init (EV_P)	1192	evpipe_init (EV_P)
1105	{	1193	{
1106	if (!ev_is_active (&pipe_w))	1194	if (!ev_is_active (&pipe_w))
1107	{	1195	{
1108	#if EV_USE_EVENTFD	1196	#if EV_USE_EVENTFD
		1197	evfd = eventfd (0, EFD_NONBLOCK \| EFD_CLOEXEC);
		1198	if (evfd < 0 && errno == EINVAL)
1109	if ((evfd = eventfd (0, 0)) >= 0)	1199	evfd = eventfd (0, 0);
		1200
		1201	if (evfd >= 0)
1110	{	1202	{
1111	evpipe [0] = -1;	1203	evpipe [0] = -1;
1112	fd_intern (evfd);	1204	fd_intern (evfd); /* doing it twice doesn't hurt */
1113	ev_io_set (&pipe_w, evfd, EV_READ);	1205	ev_io_set (&pipe_w, evfd, EV_READ);
1114	}	1206	}
1115	else	1207	else
1116	#endif	1208	#endif
1117	{	1209	{
…		…
1154	/* called whenever the libev signal pipe */	1246	/* called whenever the libev signal pipe */
1155	/* got some events (signal, async) */	1247	/* got some events (signal, async) */
1156	static void	1248	static void
1157	pipecb (EV_P_ ev_io *iow, int revents)	1249	pipecb (EV_P_ ev_io *iow, int revents)
1158	{	1250	{
		1251	int i;
		1252
1159	#if EV_USE_EVENTFD	1253	#if EV_USE_EVENTFD
1160	if (evfd >= 0)	1254	if (evfd >= 0)
1161	{	1255	{
1162	uint64_t counter;	1256	uint64_t counter;
1163	read (evfd, &counter, sizeof (uint64_t));	1257	read (evfd, &counter, sizeof (uint64_t));
…		…
1167	{	1261	{
1168	char dummy;	1262	char dummy;
1169	read (evpipe [0], &dummy, 1);	1263	read (evpipe [0], &dummy, 1);
1170	}	1264	}
1171		1265
1172	if (gotsig && ev_is_default_loop (EV_A))	1266	if (sig_pending)
1173	{	1267	{
1174	int signum;	1268	sig_pending = 0;
1175	gotsig = 0;
1176		1269
1177	for (signum = signalmax; signum--; )	1270	for (i = EV_NSIG - 1; i--; )
1178	if (signals [signum].gotsig)	1271	if (expect_false (signals [i].pending))
1179	ev_feed_signal_event (EV_A_ signum + 1);	1272	ev_feed_signal_event (EV_A_ i + 1);
1180	}	1273	}
1181		1274
1182	#if EV_ASYNC_ENABLE	1275	#if EV_ASYNC_ENABLE
1183	if (gotasync)	1276	if (async_pending)
1184	{	1277	{
1185	int i;	1278	async_pending = 0;
1186	gotasync = 0;
1187		1279
1188	for (i = asynccnt; i--; )	1280	for (i = asynccnt; i--; )
1189	if (asyncs [i]->sent)	1281	if (asyncs [i]->sent)
1190	{	1282	{
1191	asyncs [i]->sent = 0;	1283	asyncs [i]->sent = 0;
…		…
1199		1291
1200	static void	1292	static void
1201	ev_sighandler (int signum)	1293	ev_sighandler (int signum)
1202	{	1294	{
1203	#if EV_MULTIPLICITY	1295	#if EV_MULTIPLICITY
1204	struct ev_loop *loop = &default_loop_struct;	1296	EV_P = signals [signum - 1].loop;
1205	#endif	1297	#endif
1206		1298
1207	#if _WIN32	1299	#if _WIN32
1208	signal (signum, ev_sighandler);	1300	signal (signum, ev_sighandler);
1209	#endif	1301	#endif
1210		1302
1211	signals [signum - 1].gotsig = 1;	1303	signals [signum - 1].pending = 1;
1212	evpipe_write (EV_A_ &gotsig);	1304	evpipe_write (EV_A_ &sig_pending);
1213	}	1305	}
1214		1306
1215	void noinline	1307	void noinline
1216	ev_feed_signal_event (EV_P_ int signum)	1308	ev_feed_signal_event (EV_P_ int signum)
1217	{	1309	{
1218	WL w;	1310	WL w;
1219		1311
		1312	if (expect_false (signum <= 0 \|\| signum > EV_NSIG))
		1313	return;
		1314
		1315	--signum;
		1316
1220	#if EV_MULTIPLICITY	1317	#if EV_MULTIPLICITY
1221	assert (("libev: feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr));	1318	/* it is permissible to try to feed a signal to the wrong loop */
1222	#endif	1319	/* or, likely more useful, feeding a signal nobody is waiting for */
1223		1320
1224	--signum;	1321	if (expect_false (signals [signum].loop != EV_A))
1225
1226	if (signum < 0 \|\| signum >= signalmax)
1227	return;	1322	return;
		1323	#endif
1228		1324
1229	signals [signum].gotsig = 0;	1325	signals [signum].pending = 0;
1230		1326
1231	for (w = signals [signum].head; w; w = w->next)	1327	for (w = signals [signum].head; w; w = w->next)
1232	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);	1328	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);
1233	}	1329	}
		1330
		1331	#if EV_USE_SIGNALFD
		1332	static void
		1333	sigfdcb (EV_P_ ev_io *iow, int revents)
		1334	{
		1335	struct signalfd_siginfo si[2], sip; / these structs are big */
		1336
		1337	for (;;)
		1338	{
		1339	ssize_t res = read (sigfd, si, sizeof (si));
		1340
		1341	/* not ISO-C, as res might be -1, but works with SuS */
		1342	for (sip = si; (char )sip < (char )si + res; ++sip)
		1343	ev_feed_signal_event (EV_A_ sip->ssi_signo);
		1344
		1345	if (res < (ssize_t)sizeof (si))
		1346	break;
		1347	}
		1348	}
		1349	#endif
1234		1350
1235	/*****************************************************************************/	1351	/*****************************************************************************/
1236		1352
1237	static WL childs [EV_PID_HASHSIZE];	1353	static WL childs [EV_PID_HASHSIZE];
1238		1354
…		…
1458	if (!clock_gettime (CLOCK_MONOTONIC, &ts))	1574	if (!clock_gettime (CLOCK_MONOTONIC, &ts))
1459	have_monotonic = 1;	1575	have_monotonic = 1;
1460	}	1576	}
1461	#endif	1577	#endif
1462		1578
		1579	/* pid check not overridable via env */
		1580	#ifndef _WIN32
		1581	if (flags & EVFLAG_FORKCHECK)
		1582	curpid = getpid ();
		1583	#endif
		1584
		1585	if (!(flags & EVFLAG_NOENV)
		1586	&& !enable_secure ()
		1587	&& getenv ("LIBEV_FLAGS"))
		1588	flags = atoi (getenv ("LIBEV_FLAGS"));
		1589
1463	ev_rt_now = ev_time ();	1590	ev_rt_now = ev_time ();
1464	mn_now = get_clock ();	1591	mn_now = get_clock ();
1465	now_floor = mn_now;	1592	now_floor = mn_now;
1466	rtmn_diff = ev_rt_now - mn_now;	1593	rtmn_diff = ev_rt_now - mn_now;
1467	#if EV_MINIMAL < 2	1594	#if EV_MINIMAL < 2
…		…
1470		1597
1471	io_blocktime = 0.;	1598	io_blocktime = 0.;
1472	timeout_blocktime = 0.;	1599	timeout_blocktime = 0.;
1473	backend = 0;	1600	backend = 0;
1474	backend_fd = -1;	1601	backend_fd = -1;
1475	gotasync = 0;	1602	sig_pending = 0;
		1603	#if EV_ASYNC_ENABLE
		1604	async_pending = 0;
		1605	#endif
1476	#if EV_USE_INOTIFY	1606	#if EV_USE_INOTIFY
1477	fs_fd = -2;	1607	fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;
1478	#endif	1608	#endif
1479		1609	#if EV_USE_SIGNALFD
1480	/* pid check not overridable via env */	1610	sigfd = flags & EVFLAG_NOSIGFD ? -1 : -2;
1481	#ifndef _WIN32
1482	if (flags & EVFLAG_FORKCHECK)
1483	curpid = getpid ();
1484	#endif	1611	#endif
1485
1486	if (!(flags & EVFLAG_NOENV)
1487	&& !enable_secure ()
1488	&& getenv ("LIBEV_FLAGS"))
1489	flags = atoi (getenv ("LIBEV_FLAGS"));
1490		1612
1491	if (!(flags & 0x0000ffffU))	1613	if (!(flags & 0x0000ffffU))
1492	flags \|= ev_recommended_backends ();	1614	flags \|= ev_recommended_backends ();
1493		1615
1494	#if EV_USE_PORT	1616	#if EV_USE_PORT
…		…
1520	{	1642	{
1521	int i;	1643	int i;
1522		1644
1523	if (ev_is_active (&pipe_w))	1645	if (ev_is_active (&pipe_w))
1524	{	1646	{
1525	ev_ref (EV_A); /* signal watcher */	1647	/ev_ref (EV_A);/
1526	ev_io_stop (EV_A_ &pipe_w);	1648	/ev_io_stop (EV_A_ &pipe_w);/
1527		1649
1528	#if EV_USE_EVENTFD	1650	#if EV_USE_EVENTFD
1529	if (evfd >= 0)	1651	if (evfd >= 0)
1530	close (evfd);	1652	close (evfd);
1531	#endif	1653	#endif
1532		1654
1533	if (evpipe [0] >= 0)	1655	if (evpipe [0] >= 0)
1534	{	1656	{
1535	close (evpipe [0]);	1657	EV_WIN32_CLOSE_FD (evpipe [0]);
1536	close (evpipe [1]);	1658	EV_WIN32_CLOSE_FD (evpipe [1]);
1537	}	1659	}
1538	}	1660	}
		1661
		1662	#if EV_USE_SIGNALFD
		1663	if (ev_is_active (&sigfd_w))
		1664	close (sigfd);
		1665	#endif
1539		1666
1540	#if EV_USE_INOTIFY	1667	#if EV_USE_INOTIFY
1541	if (fs_fd >= 0)	1668	if (fs_fd >= 0)
1542	close (fs_fd);	1669	close (fs_fd);
1543	#endif	1670	#endif
…		…
1567	#if EV_IDLE_ENABLE	1694	#if EV_IDLE_ENABLE
1568	array_free (idle, [i]);	1695	array_free (idle, [i]);
1569	#endif	1696	#endif
1570	}	1697	}
1571		1698
1572	ev_free (anfds); anfdmax = 0;	1699	ev_free (anfds); anfds = 0; anfdmax = 0;
1573		1700
1574	/* have to use the microsoft-never-gets-it-right macro */	1701	/* have to use the microsoft-never-gets-it-right macro */
1575	array_free (rfeed, EMPTY);	1702	array_free (rfeed, EMPTY);
1576	array_free (fdchange, EMPTY);	1703	array_free (fdchange, EMPTY);
1577	array_free (timer, EMPTY);	1704	array_free (timer, EMPTY);
…		…
1612		1739
1613	if (ev_is_active (&pipe_w))	1740	if (ev_is_active (&pipe_w))
1614	{	1741	{
1615	/* this "locks" the handlers against writing to the pipe */	1742	/* this "locks" the handlers against writing to the pipe */
1616	/* while we modify the fd vars */	1743	/* while we modify the fd vars */
1617	gotsig = 1;	1744	sig_pending = 1;
1618	#if EV_ASYNC_ENABLE	1745	#if EV_ASYNC_ENABLE
1619	gotasync = 1;	1746	async_pending = 1;
1620	#endif	1747	#endif
1621		1748
1622	ev_ref (EV_A);	1749	ev_ref (EV_A);
1623	ev_io_stop (EV_A_ &pipe_w);	1750	ev_io_stop (EV_A_ &pipe_w);
1624		1751
…		…
1627	close (evfd);	1754	close (evfd);
1628	#endif	1755	#endif
1629		1756
1630	if (evpipe [0] >= 0)	1757	if (evpipe [0] >= 0)
1631	{	1758	{
1632	close (evpipe [0]);	1759	EV_WIN32_CLOSE_FD (evpipe [0]);
1633	close (evpipe [1]);	1760	EV_WIN32_CLOSE_FD (evpipe [1]);
1634	}	1761	}
1635		1762
1636	evpipe_init (EV_A);	1763	evpipe_init (EV_A);
1637	/* now iterate over everything, in case we missed something */	1764	/* now iterate over everything, in case we missed something */
1638	pipecb (EV_A_ &pipe_w, EV_READ);	1765	pipecb (EV_A_ &pipe_w, EV_READ);
…		…
1644	#if EV_MULTIPLICITY	1771	#if EV_MULTIPLICITY
1645		1772
1646	struct ev_loop *	1773	struct ev_loop *
1647	ev_loop_new (unsigned int flags)	1774	ev_loop_new (unsigned int flags)
1648	{	1775	{
1649	struct ev_loop loop = (struct ev_loop )ev_malloc (sizeof (struct ev_loop));	1776	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
1650		1777
1651	memset (loop, 0, sizeof (struct ev_loop));	1778	memset (EV_A, 0, sizeof (struct ev_loop));
1652
1653	loop_init (EV_A_ flags);	1779	loop_init (EV_A_ flags);
1654		1780
1655	if (ev_backend (EV_A))	1781	if (ev_backend (EV_A))
1656	return loop;	1782	return EV_A;
1657		1783
1658	return 0;	1784	return 0;
1659	}	1785	}
1660		1786
1661	void	1787	void
…		…
1765	assert (checkmax >= checkcnt);	1891	assert (checkmax >= checkcnt);
1766	array_verify (EV_A_ (W *)checks, checkcnt);	1892	array_verify (EV_A_ (W *)checks, checkcnt);
1767		1893
1768	# if 0	1894	# if 0
1769	for (w = (ev_child )childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child )((WL)w)->next)	1895	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)	1896	for (signum = EV_NSIG; signum--; ) if (signals [signum].pending)
1771	# endif	1897	# endif
1772	#endif	1898	#endif
1773	}	1899	}
1774	#endif	1900	#endif
1775		1901
…		…
1782	#endif	1908	#endif
1783	{	1909	{
1784	if (!ev_default_loop_ptr)	1910	if (!ev_default_loop_ptr)
1785	{	1911	{
1786	#if EV_MULTIPLICITY	1912	#if EV_MULTIPLICITY
1787	struct ev_loop *loop = ev_default_loop_ptr = &default_loop_struct;	1913	EV_P = ev_default_loop_ptr = &default_loop_struct;
1788	#else	1914	#else
1789	ev_default_loop_ptr = 1;	1915	ev_default_loop_ptr = 1;
1790	#endif	1916	#endif
1791		1917
1792	loop_init (EV_A_ flags);	1918	loop_init (EV_A_ flags);
…		…
1809		1935
1810	void	1936	void
1811	ev_default_destroy (void)	1937	ev_default_destroy (void)
1812	{	1938	{
1813	#if EV_MULTIPLICITY	1939	#if EV_MULTIPLICITY
1814	struct ev_loop *loop = ev_default_loop_ptr;	1940	EV_P = ev_default_loop_ptr;
1815	#endif	1941	#endif
1816		1942
1817	ev_default_loop_ptr = 0;	1943	ev_default_loop_ptr = 0;
1818		1944
1819	#ifndef _WIN32	1945	#ifndef _WIN32
…		…
1826		1952
1827	void	1953	void
1828	ev_default_fork (void)	1954	ev_default_fork (void)
1829	{	1955	{
1830	#if EV_MULTIPLICITY	1956	#if EV_MULTIPLICITY
1831	struct ev_loop *loop = ev_default_loop_ptr;	1957	EV_P = ev_default_loop_ptr;
1832	#endif	1958	#endif
1833		1959
1834	postfork = 1; /* must be in line with ev_loop_fork */	1960	postfork = 1; /* must be in line with ev_loop_fork */
1835	}	1961	}
1836		1962
…		…
2302	inline_size void	2428	inline_size void
2303	wlist_del (WL *head, WL elem)	2429	wlist_del (WL *head, WL elem)
2304	{	2430	{
2305	while (*head)	2431	while (*head)
2306	{	2432	{
2307	if (*head == elem)	2433	if (expect_true (*head == elem))
2308	{	2434	{
2309	*head = elem->next;	2435	*head = elem->next;
2310	return;	2436	break;
2311	}	2437	}
2312		2438
2313	head = &(*head)->next;	2439	head = &(*head)->next;
2314	}	2440	}
2315	}	2441	}
…		…
2569	#endif	2695	#endif
2570		2696
2571	void noinline	2697	void noinline
2572	ev_signal_start (EV_P_ ev_signal *w)	2698	ev_signal_start (EV_P_ ev_signal *w)
2573	{	2699	{
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)))	2700	if (expect_false (ev_is_active (w)))
2578	return;	2701	return;
2579		2702
2580	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0));	2703	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));
2581		2704
2582	evpipe_init (EV_A);	2705	#if EV_MULTIPLICITY
		2706	assert (("libev: a signal must not be attached to two different loops",
		2707	!signals [w->signum - 1].loop \|\| signals [w->signum - 1].loop == loop));
2583		2708
2584	EV_FREQUENT_CHECK;	2709	signals [w->signum - 1].loop = EV_A;
		2710	#endif
2585		2711
		2712	EV_FREQUENT_CHECK;
		2713
		2714	#if EV_USE_SIGNALFD
		2715	if (sigfd == -2)
2586	{	2716	{
2587	#ifndef _WIN32	2717	sigfd = signalfd (-1, &sigfd_set, SFD_NONBLOCK \| SFD_CLOEXEC);
2588	sigset_t full, prev;	2718	if (sigfd < 0 && errno == EINVAL)
2589	sigfillset (&full);	2719	sigfd = signalfd (-1, &sigfd_set, 0); /* retry without flags */
2590	sigprocmask (SIG_SETMASK, &full, &prev);
2591	#endif
2592		2720
2593	array_needsize (ANSIG, signals, signalmax, w->signum, array_init_zero);	2721	if (sigfd >= 0)
		2722	{
		2723	fd_intern (sigfd); /* doing it twice will not hurt */
2594		2724
2595	#ifndef _WIN32	2725	sigemptyset (&sigfd_set);
2596	sigprocmask (SIG_SETMASK, &prev, 0);	2726
2597	#endif	2727	ev_io_init (&sigfd_w, sigfdcb, sigfd, EV_READ);
		2728	ev_set_priority (&sigfd_w, EV_MAXPRI);
		2729	ev_io_start (EV_A_ &sigfd_w);
		2730	ev_unref (EV_A); /* signalfd watcher should not keep loop alive */
		2731	}
2598	}	2732	}
		2733
		2734	if (sigfd >= 0)
		2735	{
		2736	/* TODO: check .head */
		2737	sigaddset (&sigfd_set, w->signum);
		2738	sigprocmask (SIG_BLOCK, &sigfd_set, 0);
		2739
		2740	signalfd (sigfd, &sigfd_set, 0);
		2741	}
		2742	#endif
2599		2743
2600	ev_start (EV_A_ (W)w, 1);	2744	ev_start (EV_A_ (W)w, 1);
2601	wlist_add (&signals [w->signum - 1].head, (WL)w);	2745	wlist_add (&signals [w->signum - 1].head, (WL)w);
2602		2746
2603	if (!((WL)w)->next)	2747	if (!((WL)w)->next)
		2748	# if EV_USE_SIGNALFD
		2749	if (sigfd < 0) /TODO/
		2750	# endif
2604	{	2751	{
2605	#if _WIN32	2752	# if _WIN32
		2753	evpipe_init (EV_A);
		2754
2606	signal (w->signum, ev_sighandler);	2755	signal (w->signum, ev_sighandler);
2607	#else	2756	# else
2608	struct sigaction sa = { };	2757	struct sigaction sa;
		2758
		2759	evpipe_init (EV_A);
		2760
2609	sa.sa_handler = ev_sighandler;	2761	sa.sa_handler = ev_sighandler;
2610	sigfillset (&sa.sa_mask);	2762	sigfillset (&sa.sa_mask);
2611	sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */	2763	sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */
2612	sigaction (w->signum, &sa, 0);	2764	sigaction (w->signum, &sa, 0);
		2765
		2766	sigemptyset (&sa.sa_mask);
		2767	sigaddset (&sa.sa_mask, w->signum);
		2768	sigprocmask (SIG_UNBLOCK, &sa.sa_mask, 0);
2613	#endif	2769	#endif
2614	}	2770	}
2615		2771
2616	EV_FREQUENT_CHECK;	2772	EV_FREQUENT_CHECK;
2617	}	2773	}
2618		2774
2619	void noinline	2775	void noinline
…		…
2627		2783
2628	wlist_del (&signals [w->signum - 1].head, (WL)w);	2784	wlist_del (&signals [w->signum - 1].head, (WL)w);
2629	ev_stop (EV_A_ (W)w);	2785	ev_stop (EV_A_ (W)w);
2630		2786
2631	if (!signals [w->signum - 1].head)	2787	if (!signals [w->signum - 1].head)
		2788	{
		2789	#if EV_MULTIPLICITY
		2790	signals [w->signum - 1].loop = 0; /* unattach from signal */
		2791	#endif
		2792	#if EV_USE_SIGNALFD
		2793	if (sigfd >= 0)
		2794	{
		2795	sigprocmask (SIG_UNBLOCK, &sigfd_set, 0);//D
		2796	sigdelset (&sigfd_set, w->signum);
		2797	signalfd (sigfd, &sigfd_set, 0);
		2798	sigprocmask (SIG_BLOCK, &sigfd_set, 0);//D
		2799	/TODO: maybe unblock signal? /
		2800	}
		2801	else
		2802	#endif
2632	signal (w->signum, SIG_DFL);	2803	signal (w->signum, SIG_DFL);
		2804	}
2633		2805
2634	EV_FREQUENT_CHECK;	2806	EV_FREQUENT_CHECK;
2635	}	2807	}
2636		2808
2637	void	2809	void
…		…
2685	static void noinline	2857	static void noinline
2686	infy_add (EV_P_ ev_stat *w)	2858	infy_add (EV_P_ ev_stat *w)
2687	{	2859	{
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);	2860	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		2861
2690	if (w->wd < 0)	2862	if (w->wd >= 0)
		2863	{
		2864	struct statfs sfs;
		2865
		2866	/* now local changes will be tracked by inotify, but remote changes won't */
		2867	/* unless the filesystem is known to be local, we therefore still poll */
		2868	/* also do poll on <2.6.25, but with normal frequency */
		2869
		2870	if (!fs_2625)
		2871	w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;
		2872	else if (!statfs (w->path, &sfs)
		2873	&& (sfs.f_type == 0x1373 /* devfs */
		2874	\|\| sfs.f_type == 0xEF53 /* ext2/3 */
		2875	\|\| sfs.f_type == 0x3153464a /* jfs */
		2876	\|\| sfs.f_type == 0x52654973 /* reiser3 */
		2877	\|\| sfs.f_type == 0x01021994 /* tempfs */
		2878	\|\| sfs.f_type == 0x58465342 /* xfs */))
		2879	w->timer.repeat = 0.; /* filesystem is local, kernel new enough */
		2880	else
		2881	w->timer.repeat = w->interval ? w->interval : NFS_STAT_INTERVAL; /* remote, use reduced frequency */
2691	{	2882	}
		2883	else
		2884	{
		2885	/* can't use inotify, continue to stat */
2692	w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;	2886	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		2887
2695	/* monitor some parent directory for speedup hints */	2888	/* 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, */	2889	/* note that exceeding the hardcoded path limit is not a correctness issue, */
2697	/* but an efficiency issue only */	2890	/* but an efficiency issue only */
2698	if ((errno == ENOENT \|\| errno == EACCES) && strlen (w->path) < 4096)	2891	if ((errno == ENOENT \|\| errno == EACCES) && strlen (w->path) < 4096)
2699	{	2892	{
2700	char path [4096];	2893	char path [4096];
…		…
2716	while (w->wd < 0 && (errno == ENOENT \|\| errno == EACCES));	2909	while (w->wd < 0 && (errno == ENOENT \|\| errno == EACCES));
2717	}	2910	}
2718	}	2911	}
2719		2912
2720	if (w->wd >= 0)	2913	if (w->wd >= 0)
2721	{
2722	wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w);	2914	wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w);
2723		2915
2724	/* now local changes will be tracked by inotify, but remote changes won't */	2916	/* now re-arm timer, if required */
2725	/* unless the filesystem it known to be local, we therefore still poll */	2917	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);	2918	ev_timer_again (EV_A_ &w->timer);
2740	}	2919	if (ev_is_active (&w->timer)) ev_unref (EV_A);
2741	}	2920	}
2742		2921
2743	static void noinline	2922	static void noinline
2744	infy_del (EV_P_ ev_stat *w)	2923	infy_del (EV_P_ ev_stat *w)
2745	{	2924	{
…		…
2821	return;	3000	return;
2822		3001
2823	fs_2625 = 1;	3002	fs_2625 = 1;
2824	}	3003	}
2825		3004
		3005	inline_size int
		3006	infy_newfd (void)
		3007	{
		3008	#if defined (IN_CLOEXEC) && defined (IN_NONBLOCK)
		3009	int fd = inotify_init1 (IN_CLOEXEC \| IN_NONBLOCK);
		3010	if (fd >= 0)
		3011	return fd;
		3012	#endif
		3013	return inotify_init ();
		3014	}
		3015
2826	inline_size void	3016	inline_size void
2827	infy_init (EV_P)	3017	infy_init (EV_P)
2828	{	3018	{
2829	if (fs_fd != -2)	3019	if (fs_fd != -2)
2830	return;	3020	return;
2831		3021
2832	fs_fd = -1;	3022	fs_fd = -1;
2833		3023
2834	check_2625 (EV_A);	3024	check_2625 (EV_A);
2835		3025
2836	fs_fd = inotify_init ();	3026	fs_fd = infy_newfd ();
2837		3027
2838	if (fs_fd >= 0)	3028	if (fs_fd >= 0)
2839	{	3029	{
		3030	fd_intern (fs_fd);
2840	ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ);	3031	ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ);
2841	ev_set_priority (&fs_w, EV_MAXPRI);	3032	ev_set_priority (&fs_w, EV_MAXPRI);
2842	ev_io_start (EV_A_ &fs_w);	3033	ev_io_start (EV_A_ &fs_w);
		3034	ev_unref (EV_A);
2843	}	3035	}
2844	}	3036	}
2845		3037
2846	inline_size void	3038	inline_size void
2847	infy_fork (EV_P)	3039	infy_fork (EV_P)
…		…
2849	int slot;	3041	int slot;
2850		3042
2851	if (fs_fd < 0)	3043	if (fs_fd < 0)
2852	return;	3044	return;
2853		3045
		3046	ev_ref (EV_A);
		3047	ev_io_stop (EV_A_ &fs_w);
2854	close (fs_fd);	3048	close (fs_fd);
2855	fs_fd = inotify_init ();	3049	fs_fd = infy_newfd ();
		3050
		3051	if (fs_fd >= 0)
		3052	{
		3053	fd_intern (fs_fd);
		3054	ev_io_set (&fs_w, fs_fd, EV_READ);
		3055	ev_io_start (EV_A_ &fs_w);
		3056	ev_unref (EV_A);
		3057	}
2856		3058
2857	for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot)	3059	for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot)
2858	{	3060	{
2859	WL w_ = fs_hash [slot].head;	3061	WL w_ = fs_hash [slot].head;
2860	fs_hash [slot].head = 0;	3062	fs_hash [slot].head = 0;
…		…
2867	w->wd = -1;	3069	w->wd = -1;
2868		3070
2869	if (fs_fd >= 0)	3071	if (fs_fd >= 0)
2870	infy_add (EV_A_ w); /* re-add, no matter what */	3072	infy_add (EV_A_ w); /* re-add, no matter what */
2871	else	3073	else
		3074	{
		3075	w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;
		3076	if (ev_is_active (&w->timer)) ev_ref (EV_A);
2872	ev_timer_again (EV_A_ &w->timer);	3077	ev_timer_again (EV_A_ &w->timer);
		3078	if (ev_is_active (&w->timer)) ev_unref (EV_A);
		3079	}
2873	}	3080	}
2874	}	3081	}
2875	}	3082	}
2876		3083
2877	#endif	3084	#endif
…		…
2894	static void noinline	3101	static void noinline
2895	stat_timer_cb (EV_P_ ev_timer *w_, int revents)	3102	stat_timer_cb (EV_P_ ev_timer *w_, int revents)
2896	{	3103	{
2897	ev_stat w = (ev_stat )(((char *)w_) - offsetof (ev_stat, timer));	3104	ev_stat w = (ev_stat )(((char *)w_) - offsetof (ev_stat, timer));
2898		3105
2899	/* we copy this here each the time so that */	3106	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);	3107	ev_stat_stat (EV_A_ w);
2903		3108
2904	/* memcmp doesn't work on netbsd, they.... do stuff to their struct stat */	3109	/* memcmp doesn't work on netbsd, they.... do stuff to their struct stat */
2905	if (	3110	if (
2906	w->prev.st_dev != w->attr.st_dev	3111	prev.st_dev != w->attr.st_dev
2907	\|\| w->prev.st_ino != w->attr.st_ino	3112	\|\| prev.st_ino != w->attr.st_ino
2908	\|\| w->prev.st_mode != w->attr.st_mode	3113	\|\| prev.st_mode != w->attr.st_mode
2909	\|\| w->prev.st_nlink != w->attr.st_nlink	3114	\|\| prev.st_nlink != w->attr.st_nlink
2910	\|\| w->prev.st_uid != w->attr.st_uid	3115	\|\| prev.st_uid != w->attr.st_uid
2911	\|\| w->prev.st_gid != w->attr.st_gid	3116	\|\| prev.st_gid != w->attr.st_gid
2912	\|\| w->prev.st_rdev != w->attr.st_rdev	3117	\|\| prev.st_rdev != w->attr.st_rdev
2913	\|\| w->prev.st_size != w->attr.st_size	3118	\|\| prev.st_size != w->attr.st_size
2914	\|\| w->prev.st_atime != w->attr.st_atime	3119	\|\| prev.st_atime != w->attr.st_atime
2915	\|\| w->prev.st_mtime != w->attr.st_mtime	3120	\|\| prev.st_mtime != w->attr.st_mtime
2916	\|\| w->prev.st_ctime != w->attr.st_ctime	3121	\|\| prev.st_ctime != w->attr.st_ctime
2917	) {	3122	) {
		3123	/* we only update w->prev on actual differences */
		3124	/* in case we test more often than invoke the callback, */
		3125	/* to ensure that prev is always different to attr */
		3126	w->prev = prev;
		3127
2918	#if EV_USE_INOTIFY	3128	#if EV_USE_INOTIFY
2919	if (fs_fd >= 0)	3129	if (fs_fd >= 0)
2920	{	3130	{
2921	infy_del (EV_A_ w);	3131	infy_del (EV_A_ w);
2922	infy_add (EV_A_ w);	3132	infy_add (EV_A_ w);
…		…
2947		3157
2948	if (fs_fd >= 0)	3158	if (fs_fd >= 0)
2949	infy_add (EV_A_ w);	3159	infy_add (EV_A_ w);
2950	else	3160	else
2951	#endif	3161	#endif
		3162	{
2952	ev_timer_again (EV_A_ &w->timer);	3163	ev_timer_again (EV_A_ &w->timer);
		3164	ev_unref (EV_A);
		3165	}
2953		3166
2954	ev_start (EV_A_ (W)w, 1);	3167	ev_start (EV_A_ (W)w, 1);
2955		3168
2956	EV_FREQUENT_CHECK;	3169	EV_FREQUENT_CHECK;
2957	}	3170	}
…		…
2966	EV_FREQUENT_CHECK;	3179	EV_FREQUENT_CHECK;
2967		3180
2968	#if EV_USE_INOTIFY	3181	#if EV_USE_INOTIFY
2969	infy_del (EV_A_ w);	3182	infy_del (EV_A_ w);
2970	#endif	3183	#endif
		3184
		3185	if (ev_is_active (&w->timer))
		3186	{
		3187	ev_ref (EV_A);
2971	ev_timer_stop (EV_A_ &w->timer);	3188	ev_timer_stop (EV_A_ &w->timer);
		3189	}
2972		3190
2973	ev_stop (EV_A_ (W)w);	3191	ev_stop (EV_A_ (W)w);
2974		3192
2975	EV_FREQUENT_CHECK;	3193	EV_FREQUENT_CHECK;
2976	}	3194	}
…		…
3117	embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents)	3335	embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents)
3118	{	3336	{
3119	ev_embed w = (ev_embed )(((char *)prepare) - offsetof (ev_embed, prepare));	3337	ev_embed w = (ev_embed )(((char *)prepare) - offsetof (ev_embed, prepare));
3120		3338
3121	{	3339	{
3122	struct ev_loop *loop = w->other;	3340	EV_P = w->other;
3123		3341
3124	while (fdchangecnt)	3342	while (fdchangecnt)
3125	{	3343	{
3126	fd_reify (EV_A);	3344	fd_reify (EV_A);
3127	ev_loop (EV_A_ EVLOOP_NONBLOCK);	3345	ev_loop (EV_A_ EVLOOP_NONBLOCK);
…		…
3135	ev_embed w = (ev_embed )(((char *)fork_w) - offsetof (ev_embed, fork));	3353	ev_embed w = (ev_embed )(((char *)fork_w) - offsetof (ev_embed, fork));
3136		3354
3137	ev_embed_stop (EV_A_ w);	3355	ev_embed_stop (EV_A_ w);
3138		3356
3139	{	3357	{
3140	struct ev_loop *loop = w->other;	3358	EV_P = w->other;
3141		3359
3142	ev_loop_fork (EV_A);	3360	ev_loop_fork (EV_A);
3143	ev_loop (EV_A_ EVLOOP_NONBLOCK);	3361	ev_loop (EV_A_ EVLOOP_NONBLOCK);
3144	}	3362	}
3145		3363
…		…
3159	{	3377	{
3160	if (expect_false (ev_is_active (w)))	3378	if (expect_false (ev_is_active (w)))
3161	return;	3379	return;
3162		3380
3163	{	3381	{
3164	struct ev_loop *loop = w->other;	3382	EV_P = w->other;
3165	assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ()));	3383	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);	3384	ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ);
3167	}	3385	}
3168		3386
3169	EV_FREQUENT_CHECK;	3387	EV_FREQUENT_CHECK;
…		…
3281		3499
3282	void	3500	void
3283	ev_async_send (EV_P_ ev_async *w)	3501	ev_async_send (EV_P_ ev_async *w)
3284	{	3502	{
3285	w->sent = 1;	3503	w->sent = 1;
3286	evpipe_write (EV_A_ &gotasync);	3504	evpipe_write (EV_A_ &async_pending);
3287	}	3505	}
3288	#endif	3506	#endif
3289		3507
3290	/*****************************************************************************/	3508	/*****************************************************************************/
3291		3509
…		…
3440	if (types & EV_CHECK)	3658	if (types & EV_CHECK)
3441	for (i = checkcnt; i--; )	3659	for (i = checkcnt; i--; )
3442	cb (EV_A_ EV_CHECK, checks [i]);	3660	cb (EV_A_ EV_CHECK, checks [i]);
3443		3661
3444	if (types & EV_SIGNAL)	3662	if (types & EV_SIGNAL)
3445	for (i = 0; i < signalmax; ++i)	3663	for (i = 0; i < EV_NSIG - 1; ++i)
3446	for (wl = signals [i].head; wl; )	3664	for (wl = signals [i].head; wl; )
3447	{	3665	{
3448	wn = wl->next;	3666	wn = wl->next;
3449	cb (EV_A_ EV_SIGNAL, wl);	3667	cb (EV_A_ EV_SIGNAL, wl);
3450	wl = wn;	3668	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 1.320 by root, Fri Dec 4 20:25:06 2009 UTC

Diff Legend

Comparing libev/ev.c (file contents):
Revision 1.302 by root, Thu Jul 16 15:08:08 2009 UTC vs.
Revision 1.320 by root, Fri Dec 4 20:25:06 2009 UTC