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

Comparing libev/ev.c (file contents):
Revision 1.181 by root, Wed Dec 12 00:17:08 2007 UTC vs.
Revision 1.199 by root, Tue Dec 25 07:05:45 2007 UTC

…		…
2	* libev event processing core, watcher management	2	* libev event processing core, watcher management
3	*	3	*
4	* Copyright (c) 2007 Marc Alexander Lehmann <libev@schmorp.de>	4	* Copyright (c) 2007 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	7	* Redistribution and use in source and binary forms, with or without modifica-
8	* modification, are permitted provided that the following conditions are	8	* tion, are permitted provided that the following conditions are met:
9	* met:	9	*
		10	* 1. Redistributions of source code must retain the above copyright notice,
		11	* this list of conditions and the following disclaimer.
		12	*
		13	* 2. Redistributions in binary form must reproduce the above copyright
		14	* notice, this list of conditions and the following disclaimer in the
		15	* documentation and/or other materials provided with the distribution.
		16	*
		17	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
		18	* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER-
		19	* CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
		20	* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE-
		21	* CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
		22	* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
		23	* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
		24	* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH-
		25	* ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
		26	* OF THE POSSIBILITY OF SUCH DAMAGE.
10	*	27	*
11	* * Redistributions of source code must retain the above copyright	28	* Alternatively, the contents of this file may be used under the terms of
12	* notice, this list of conditions and the following disclaimer.	29	* the GNU General Public License ("GPL") version 2 or any later version,
13	*	30	* in which case the provisions of the GPL are applicable instead of
14	* * Redistributions in binary form must reproduce the above	31	* the above. If you wish to allow the use of your version of this file
15	* copyright notice, this list of conditions and the following	32	* only under the terms of the GPL and not to allow others to use your
16	* disclaimer in the documentation and/or other materials provided	33	* version of this file under the BSD license, indicate your decision
17	* with the distribution.	34	* by deleting the provisions above and replace them with the notice
18	*	35	* and other provisions required by the GPL. If you do not delete the
19	* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS	36	* provisions above, a recipient may use your version of this file under
20	* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT	37	* either the BSD or the GPL.
21	* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
22	* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
23	* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
24	* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
25	* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
29	* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30	*/	38	*/
31		39
32	#ifdef __cplusplus	40	#ifdef __cplusplus
33	extern "C" {	41	extern "C" {
34	#endif	42	#endif
…		…
51	# ifndef EV_USE_MONOTONIC	59	# ifndef EV_USE_MONOTONIC
52	# define EV_USE_MONOTONIC 0	60	# define EV_USE_MONOTONIC 0
53	# endif	61	# endif
54	# ifndef EV_USE_REALTIME	62	# ifndef EV_USE_REALTIME
55	# define EV_USE_REALTIME 0	63	# define EV_USE_REALTIME 0
		64	# endif
		65	# endif
		66
		67	# ifndef EV_USE_NANOSLEEP
		68	# if HAVE_NANOSLEEP
		69	# define EV_USE_NANOSLEEP 1
		70	# else
		71	# define EV_USE_NANOSLEEP 0
56	# endif	72	# endif
57	# endif	73	# endif
58		74
59	# ifndef EV_USE_SELECT	75	# ifndef EV_USE_SELECT
60	# if HAVE_SELECT && HAVE_SYS_SELECT_H	76	# if HAVE_SELECT && HAVE_SYS_SELECT_H
…		…
146		162
147	#ifndef EV_USE_REALTIME	163	#ifndef EV_USE_REALTIME
148	# define EV_USE_REALTIME 0	164	# define EV_USE_REALTIME 0
149	#endif	165	#endif
150		166
		167	#ifndef EV_USE_NANOSLEEP
		168	# define EV_USE_NANOSLEEP 0
		169	#endif
		170
151	#ifndef EV_USE_SELECT	171	#ifndef EV_USE_SELECT
152	# define EV_USE_SELECT 1	172	# define EV_USE_SELECT 1
153	#endif	173	#endif
154		174
155	#ifndef EV_USE_POLL	175	#ifndef EV_USE_POLL
…		…
202	#ifndef CLOCK_REALTIME	222	#ifndef CLOCK_REALTIME
203	# undef EV_USE_REALTIME	223	# undef EV_USE_REALTIME
204	# define EV_USE_REALTIME 0	224	# define EV_USE_REALTIME 0
205	#endif	225	#endif
206		226
		227	#if !EV_STAT_ENABLE
		228	# undef EV_USE_INOTIFY
		229	# define EV_USE_INOTIFY 0
		230	#endif
		231
		232	#if !EV_USE_NANOSLEEP
		233	# ifndef _WIN32
		234	# include <sys/select.h>
		235	# endif
		236	#endif
		237
		238	#if EV_USE_INOTIFY
		239	# include <sys/inotify.h>
		240	#endif
		241
207	#if EV_SELECT_IS_WINSOCKET	242	#if EV_SELECT_IS_WINSOCKET
208	# include <winsock.h>	243	# include <winsock.h>
209	#endif
210
211	#if !EV_STAT_ENABLE
212	# define EV_USE_INOTIFY 0
213	#endif
214
215	#if EV_USE_INOTIFY
216	# include <sys/inotify.h>
217	#endif	244	#endif
218		245
219	/**/	246	/**/
220		247
221	/*	248	/*
…		…
230		257
231	#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */	258	#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */
232	#define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */	259	#define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */
233	/#define CLEANUP_INTERVAL (MAX_BLOCKTIME 5.) /* how often to try to free memory and re-check fds, TODO */	260	/#define CLEANUP_INTERVAL (MAX_BLOCKTIME 5.) /* how often to try to free memory and re-check fds, TODO */
234		261
235	#if __GNUC__ >= 3	262	#if __GNUC__ >= 4
236	# define expect(expr,value) __builtin_expect ((expr),(value))	263	# define expect(expr,value) __builtin_expect ((expr),(value))
237	# define noinline __attribute__ ((noinline))	264	# define noinline __attribute__ ((noinline))
238	#else	265	#else
239	# define expect(expr,value) (expr)	266	# define expect(expr,value) (expr)
240	# define noinline	267	# define noinline
…		…
261		288
262	typedef ev_watcher *W;	289	typedef ev_watcher *W;
263	typedef ev_watcher_list *WL;	290	typedef ev_watcher_list *WL;
264	typedef ev_watcher_time *WT;	291	typedef ev_watcher_time *WT;
265		292
		293	#if EV_USE_MONOTONIC
		294	/* sig_atomic_t is used to avoid per-thread variables or locking but still */
		295	/* giving it a reasonably high chance of working on typical architetcures */
266	static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */	296	static sig_atomic_t have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */
		297	#endif
267		298
268	#ifdef _WIN32	299	#ifdef _WIN32
269	# include "ev_win32.c"	300	# include "ev_win32.c"
270	#endif	301	#endif
271		302
…		…
407	{	438	{
408	return ev_rt_now;	439	return ev_rt_now;
409	}	440	}
410	#endif	441	#endif
411		442
		443	void
		444	ev_sleep (ev_tstamp delay)
		445	{
		446	if (delay > 0.)
		447	{
		448	#if EV_USE_NANOSLEEP
		449	struct timespec ts;
		450
		451	ts.tv_sec = (time_t)delay;
		452	ts.tv_nsec = (long)((delay - (ev_tstamp)(ts.tv_sec)) * 1e9);
		453
		454	nanosleep (&ts, 0);
		455	#elif defined(_WIN32)
		456	Sleep (delay * 1e3);
		457	#else
		458	struct timeval tv;
		459
		460	tv.tv_sec = (time_t)delay;
		461	tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6);
		462
		463	select (0, 0, 0, 0, &tv);
		464	#endif
		465	}
		466	}
		467
		468	/*****************************************************************************/
		469
412	int inline_size	470	int inline_size
413	array_nextsize (int elem, int cur, int cnt)	471	array_nextsize (int elem, int cur, int cnt)
414	{	472	{
415	int ncur = cur + 1;	473	int ncur = cur + 1;
416		474
…		…
533	{	591	{
534	int fd = fdchanges [i];	592	int fd = fdchanges [i];
535	ANFD *anfd = anfds + fd;	593	ANFD *anfd = anfds + fd;
536	ev_io *w;	594	ev_io *w;
537		595
538	int events = 0;	596	unsigned char events = 0;
539		597
540	for (w = (ev_io )anfd->head; w; w = (ev_io )((WL)w)->next)	598	for (w = (ev_io )anfd->head; w; w = (ev_io )((WL)w)->next)
541	events \|= w->events;	599	events \|= (unsigned char)w->events;
542		600
543	#if EV_SELECT_IS_WINSOCKET	601	#if EV_SELECT_IS_WINSOCKET
544	if (events)	602	if (events)
545	{	603	{
546	unsigned long argp;	604	unsigned long argp;
547	anfd->handle = _get_osfhandle (fd);	605	anfd->handle = _get_osfhandle (fd);
548	assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0));	606	assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0));
549	}	607	}
550	#endif	608	#endif
551		609
		610	{
		611	unsigned char o_events = anfd->events;
		612	unsigned char o_reify = anfd->reify;
		613
552	anfd->reify = 0;	614	anfd->reify = 0;
553
554	backend_modify (EV_A_ fd, anfd->events, events);
555	anfd->events = events;	615	anfd->events = events;
		616
		617	if (o_events != events \|\| o_reify & EV_IOFDSET)
		618	backend_modify (EV_A_ fd, o_events, events);
		619	}
556	}	620	}
557		621
558	fdchangecnt = 0;	622	fdchangecnt = 0;
559	}	623	}
560		624
561	void inline_size	625	void inline_size
562	fd_change (EV_P_ int fd)	626	fd_change (EV_P_ int fd, int flags)
563	{	627	{
564	if (expect_false (anfds [fd].reify))	628	unsigned char reify = anfds [fd].reify;
565	return;
566
567	anfds [fd].reify = 1;	629	anfds [fd].reify \|= flags;
568		630
		631	if (expect_true (!reify))
		632	{
569	++fdchangecnt;	633	++fdchangecnt;
570	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2);	634	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2);
571	fdchanges [fdchangecnt - 1] = fd;	635	fdchanges [fdchangecnt - 1] = fd;
		636	}
572	}	637	}
573		638
574	void inline_speed	639	void inline_speed
575	fd_kill (EV_P_ int fd)	640	fd_kill (EV_P_ int fd)
576	{	641	{
…		…
627		692
628	for (fd = 0; fd < anfdmax; ++fd)	693	for (fd = 0; fd < anfdmax; ++fd)
629	if (anfds [fd].events)	694	if (anfds [fd].events)
630	{	695	{
631	anfds [fd].events = 0;	696	anfds [fd].events = 0;
632	fd_change (EV_A_ fd);	697	fd_change (EV_A_ fd, EV_IOFDSET \| 1);
633	}	698	}
634	}	699	}
635		700
636	/*****************************************************************************/	701	/*****************************************************************************/
637		702
…		…
792	ev_unref (EV_A); /* child watcher should not keep loop alive */	857	ev_unref (EV_A); /* child watcher should not keep loop alive */
793	}	858	}
794		859
795	/*****************************************************************************/	860	/*****************************************************************************/
796		861
797	static ev_child *childs [EV_PID_HASHSIZE];	862	static WL childs [EV_PID_HASHSIZE];
798		863
799	#ifndef _WIN32	864	#ifndef _WIN32
800		865
801	static ev_signal childev;	866	static ev_signal childev;
802		867
…		…
917	}	982	}
918		983
919	unsigned int	984	unsigned int
920	ev_embeddable_backends (void)	985	ev_embeddable_backends (void)
921	{	986	{
922	return EVBACKEND_EPOLL	987	int flags = EVBACKEND_EPOLL \| EVBACKEND_KQUEUE \| EVBACKEND_PORT;
923	\| EVBACKEND_KQUEUE	988
924	\| EVBACKEND_PORT;	989	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */
		990	/* please fix it and tell me how to detect the fix */
		991	flags &= ~EVBACKEND_EPOLL;
		992
		993	return flags;
925	}	994	}
926		995
927	unsigned int	996	unsigned int
928	ev_backend (EV_P)	997	ev_backend (EV_P)
929	{	998	{
…		…
932		1001
933	unsigned int	1002	unsigned int
934	ev_loop_count (EV_P)	1003	ev_loop_count (EV_P)
935	{	1004	{
936	return loop_count;	1005	return loop_count;
		1006	}
		1007
		1008	void
		1009	ev_set_io_collect_interval (EV_P_ ev_tstamp interval)
		1010	{
		1011	io_blocktime = interval;
		1012	}
		1013
		1014	void
		1015	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval)
		1016	{
		1017	timeout_blocktime = interval;
937	}	1018	}
938		1019
939	static void noinline	1020	static void noinline
940	loop_init (EV_P_ unsigned int flags)	1021	loop_init (EV_P_ unsigned int flags)
941	{	1022	{
…		…
952	ev_rt_now = ev_time ();	1033	ev_rt_now = ev_time ();
953	mn_now = get_clock ();	1034	mn_now = get_clock ();
954	now_floor = mn_now;	1035	now_floor = mn_now;
955	rtmn_diff = ev_rt_now - mn_now;	1036	rtmn_diff = ev_rt_now - mn_now;
956		1037
		1038	io_blocktime = 0.;
		1039	timeout_blocktime = 0.;
		1040
957	/* pid check not overridable via env */	1041	/* pid check not overridable via env */
958	#ifndef _WIN32	1042	#ifndef _WIN32
959	if (flags & EVFLAG_FORKCHECK)	1043	if (flags & EVFLAG_FORKCHECK)
960	curpid = getpid ();	1044	curpid = getpid ();
961	#endif	1045	#endif
…		…
1029	array_free (pending, [i]);	1113	array_free (pending, [i]);
1030	#if EV_IDLE_ENABLE	1114	#if EV_IDLE_ENABLE
1031	array_free (idle, [i]);	1115	array_free (idle, [i]);
1032	#endif	1116	#endif
1033	}	1117	}
		1118
		1119	ev_free (anfds); anfdmax = 0;
1034		1120
1035	/* have to use the microsoft-never-gets-it-right macro */	1121	/* have to use the microsoft-never-gets-it-right macro */
1036	array_free (fdchange, EMPTY);	1122	array_free (fdchange, EMPTY);
1037	array_free (timer, EMPTY);	1123	array_free (timer, EMPTY);
1038	#if EV_PERIODIC_ENABLE	1124	#if EV_PERIODIC_ENABLE
1039	array_free (periodic, EMPTY);	1125	array_free (periodic, EMPTY);
		1126	#endif
		1127	#if EV_FORK_ENABLE
		1128	array_free (fork, EMPTY);
1040	#endif	1129	#endif
1041	array_free (prepare, EMPTY);	1130	array_free (prepare, EMPTY);
1042	array_free (check, EMPTY);	1131	array_free (check, EMPTY);
1043		1132
1044	backend = 0;	1133	backend = 0;
…		…
1443	/* update fd-related kernel structures */	1532	/* update fd-related kernel structures */
1444	fd_reify (EV_A);	1533	fd_reify (EV_A);
1445		1534
1446	/* calculate blocking time */	1535	/* calculate blocking time */
1447	{	1536	{
1448	ev_tstamp block;	1537	ev_tstamp waittime = 0.;
		1538	ev_tstamp sleeptime = 0.;
1449		1539
1450	if (expect_false (flags & EVLOOP_NONBLOCK \|\| idleall \|\| !activecnt))	1540	if (expect_true (!(flags & EVLOOP_NONBLOCK \|\| idleall \|\| !activecnt)))
1451	block = 0.; /* do not block at all */
1452	else
1453	{	1541	{
1454	/* update time to cancel out callback processing overhead */	1542	/* update time to cancel out callback processing overhead */
1455	time_update (EV_A_ 1e100);	1543	time_update (EV_A_ 1e100);
1456		1544
1457	block = MAX_BLOCKTIME;	1545	waittime = MAX_BLOCKTIME;
1458		1546
1459	if (timercnt)	1547	if (timercnt)
1460	{	1548	{
1461	ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge;	1549	ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge;
1462	if (block > to) block = to;	1550	if (waittime > to) waittime = to;
1463	}	1551	}
1464		1552
1465	#if EV_PERIODIC_ENABLE	1553	#if EV_PERIODIC_ENABLE
1466	if (periodiccnt)	1554	if (periodiccnt)
1467	{	1555	{
1468	ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + backend_fudge;	1556	ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + backend_fudge;
1469	if (block > to) block = to;	1557	if (waittime > to) waittime = to;
1470	}	1558	}
1471	#endif	1559	#endif
1472		1560
1473	if (expect_false (block < 0.)) block = 0.;	1561	if (expect_false (waittime < timeout_blocktime))
		1562	waittime = timeout_blocktime;
		1563
		1564	sleeptime = waittime - backend_fudge;
		1565
		1566	if (expect_true (sleeptime > io_blocktime))
		1567	sleeptime = io_blocktime;
		1568
		1569	if (sleeptime)
		1570	{
		1571	ev_sleep (sleeptime);
		1572	waittime -= sleeptime;
		1573	}
1474	}	1574	}
1475		1575
1476	++loop_count;	1576	++loop_count;
1477	backend_poll (EV_A_ block);	1577	backend_poll (EV_A_ waittime);
1478		1578
1479	/* update ev_rt_now, do magic */	1579	/* update ev_rt_now, do magic */
1480	time_update (EV_A_ block);	1580	time_update (EV_A_ waittime + sleeptime);
1481	}	1581	}
1482		1582
1483	/* queue pending timers and reschedule them */	1583	/* queue pending timers and reschedule them */
1484	timers_reify (EV_A); /* relative timers called last */	1584	timers_reify (EV_A); /* relative timers called last */
1485	#if EV_PERIODIC_ENABLE	1585	#if EV_PERIODIC_ENABLE
…		…
1597		1697
1598	assert (("ev_io_start called with negative fd", fd >= 0));	1698	assert (("ev_io_start called with negative fd", fd >= 0));
1599		1699
1600	ev_start (EV_A_ (W)w, 1);	1700	ev_start (EV_A_ (W)w, 1);
1601	array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init);	1701	array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init);
1602	wlist_add ((WL *)&anfds[fd].head, (WL)w);	1702	wlist_add (&anfds[fd].head, (WL)w);
1603		1703
1604	fd_change (EV_A_ fd);	1704	fd_change (EV_A_ fd, w->events & EV_IOFDSET \| 1);
		1705	w->events &= ~EV_IOFDSET;
1605	}	1706	}
1606		1707
1607	void noinline	1708	void noinline
1608	ev_io_stop (EV_P_ ev_io *w)	1709	ev_io_stop (EV_P_ ev_io *w)
1609	{	1710	{
…		…
1611	if (expect_false (!ev_is_active (w)))	1712	if (expect_false (!ev_is_active (w)))
1612	return;	1713	return;
1613		1714
1614	assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));	1715	assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));
1615		1716
1616	wlist_del ((WL *)&anfds[w->fd].head, (WL)w);	1717	wlist_del (&anfds[w->fd].head, (WL)w);
1617	ev_stop (EV_A_ (W)w);	1718	ev_stop (EV_A_ (W)w);
1618		1719
1619	fd_change (EV_A_ w->fd);	1720	fd_change (EV_A_ w->fd, 1);
1620	}	1721	}
1621		1722
1622	void noinline	1723	void noinline
1623	ev_timer_start (EV_P_ ev_timer *w)	1724	ev_timer_start (EV_P_ ev_timer *w)
1624	{	1725	{
…		…
1766	sigprocmask (SIG_SETMASK, &prev, 0);	1867	sigprocmask (SIG_SETMASK, &prev, 0);
1767	#endif	1868	#endif
1768	}	1869	}
1769		1870
1770	ev_start (EV_A_ (W)w, 1);	1871	ev_start (EV_A_ (W)w, 1);
1771	wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);	1872	wlist_add (&signals [w->signum - 1].head, (WL)w);
1772		1873
1773	if (!((WL)w)->next)	1874	if (!((WL)w)->next)
1774	{	1875	{
1775	#if _WIN32	1876	#if _WIN32
1776	signal (w->signum, sighandler);	1877	signal (w->signum, sighandler);
…		…
1789	{	1890	{
1790	clear_pending (EV_A_ (W)w);	1891	clear_pending (EV_A_ (W)w);
1791	if (expect_false (!ev_is_active (w)))	1892	if (expect_false (!ev_is_active (w)))
1792	return;	1893	return;
1793		1894
1794	wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w);	1895	wlist_del (&signals [w->signum - 1].head, (WL)w);
1795	ev_stop (EV_A_ (W)w);	1896	ev_stop (EV_A_ (W)w);
1796		1897
1797	if (!signals [w->signum - 1].head)	1898	if (!signals [w->signum - 1].head)
1798	signal (w->signum, SIG_DFL);	1899	signal (w->signum, SIG_DFL);
1799	}	1900	}
…		…
1806	#endif	1907	#endif
1807	if (expect_false (ev_is_active (w)))	1908	if (expect_false (ev_is_active (w)))
1808	return;	1909	return;
1809		1910
1810	ev_start (EV_A_ (W)w, 1);	1911	ev_start (EV_A_ (W)w, 1);
1811	wlist_add ((WL *)&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);	1912	wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);
1812	}	1913	}
1813		1914
1814	void	1915	void
1815	ev_child_stop (EV_P_ ev_child *w)	1916	ev_child_stop (EV_P_ ev_child *w)
1816	{	1917	{
1817	clear_pending (EV_A_ (W)w);	1918	clear_pending (EV_A_ (W)w);
1818	if (expect_false (!ev_is_active (w)))	1919	if (expect_false (!ev_is_active (w)))
1819	return;	1920	return;
1820		1921
1821	wlist_del ((WL *)&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);	1922	wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);
1822	ev_stop (EV_A_ (W)w);	1923	ev_stop (EV_A_ (W)w);
1823	}	1924	}
1824		1925
1825	#if EV_STAT_ENABLE	1926	#if EV_STAT_ENABLE
1826		1927
…		…
2168		2269
2169	#if EV_EMBED_ENABLE	2270	#if EV_EMBED_ENABLE
2170	void noinline	2271	void noinline
2171	ev_embed_sweep (EV_P_ ev_embed *w)	2272	ev_embed_sweep (EV_P_ ev_embed *w)
2172	{	2273	{
2173	ev_loop (w->loop, EVLOOP_NONBLOCK);	2274	ev_loop (w->other, EVLOOP_NONBLOCK);
2174	}	2275	}
2175		2276
2176	static void	2277	static void
2177	embed_cb (EV_P_ ev_io *io, int revents)	2278	embed_io_cb (EV_P_ ev_io *io, int revents)
2178	{	2279	{
2179	ev_embed w = (ev_embed )(((char *)io) - offsetof (ev_embed, io));	2280	ev_embed w = (ev_embed )(((char *)io) - offsetof (ev_embed, io));
2180		2281
2181	if (ev_cb (w))	2282	if (ev_cb (w))
2182	ev_feed_event (EV_A_ (W)w, EV_EMBED);	2283	ev_feed_event (EV_A_ (W)w, EV_EMBED);
2183	else	2284	else
2184	ev_embed_sweep (loop, w);	2285	ev_loop (w->other, EVLOOP_NONBLOCK);
2185	}	2286	}
		2287
		2288	static void
		2289	embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents)
		2290	{
		2291	ev_embed w = (ev_embed )(((char *)prepare) - offsetof (ev_embed, prepare));
		2292
		2293	{
		2294	struct ev_loop *loop = w->other;
		2295
		2296	while (fdchangecnt)
		2297	{
		2298	fd_reify (EV_A);
		2299	ev_loop (EV_A_ EVLOOP_NONBLOCK);
		2300	}
		2301	}
		2302	}
		2303
		2304	#if 0
		2305	static void
		2306	embed_idle_cb (EV_P_ ev_idle *idle, int revents)
		2307	{
		2308	ev_idle_stop (EV_A_ idle);
		2309	}
		2310	#endif
2186		2311
2187	void	2312	void
2188	ev_embed_start (EV_P_ ev_embed *w)	2313	ev_embed_start (EV_P_ ev_embed *w)
2189	{	2314	{
2190	if (expect_false (ev_is_active (w)))	2315	if (expect_false (ev_is_active (w)))
2191	return;	2316	return;
2192		2317
2193	{	2318	{
2194	struct ev_loop *loop = w->loop;	2319	struct ev_loop *loop = w->other;
2195	assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ()));	2320	assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ()));
2196	ev_io_init (&w->io, embed_cb, backend_fd, EV_READ);	2321	ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ);
2197	}	2322	}
2198		2323
2199	ev_set_priority (&w->io, ev_priority (w));	2324	ev_set_priority (&w->io, ev_priority (w));
2200	ev_io_start (EV_A_ &w->io);	2325	ev_io_start (EV_A_ &w->io);
2201		2326
		2327	ev_prepare_init (&w->prepare, embed_prepare_cb);
		2328	ev_set_priority (&w->prepare, EV_MINPRI);
		2329	ev_prepare_start (EV_A_ &w->prepare);
		2330
		2331	/ev_idle_init (&w->idle, e,bed_idle_cb);/
		2332
2202	ev_start (EV_A_ (W)w, 1);	2333	ev_start (EV_A_ (W)w, 1);
2203	}	2334	}
2204		2335
2205	void	2336	void
2206	ev_embed_stop (EV_P_ ev_embed *w)	2337	ev_embed_stop (EV_P_ ev_embed *w)
…		…
2208	clear_pending (EV_A_ (W)w);	2339	clear_pending (EV_A_ (W)w);
2209	if (expect_false (!ev_is_active (w)))	2340	if (expect_false (!ev_is_active (w)))
2210	return;	2341	return;
2211		2342
2212	ev_io_stop (EV_A_ &w->io);	2343	ev_io_stop (EV_A_ &w->io);
		2344	ev_prepare_stop (EV_A_ &w->prepare);
2213		2345
2214	ev_stop (EV_A_ (W)w);	2346	ev_stop (EV_A_ (W)w);
2215	}	2347	}
2216	#endif	2348	#endif
2217		2349
…		…
2306	ev_timer_set (&once->to, timeout, 0.);	2438	ev_timer_set (&once->to, timeout, 0.);
2307	ev_timer_start (EV_A_ &once->to);	2439	ev_timer_start (EV_A_ &once->to);
2308	}	2440	}
2309	}	2441	}
2310		2442
		2443	#if EV_MULTIPLICITY
		2444	#include "ev_wrap.h"
		2445	#endif
		2446
2311	#ifdef __cplusplus	2447	#ifdef __cplusplus
2312	}	2448	}
2313	#endif	2449	#endif
2314		2450

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Comparing libev/ev.c (file contents): Revision 1.181 by root, Wed Dec 12 00:17:08 2007 UTC vs. Revision 1.199 by root, Tue Dec 25 07:05:45 2007 UTC

Diff Legend

Comparing libev/ev.c (file contents):
Revision 1.181 by root, Wed Dec 12 00:17:08 2007 UTC vs.
Revision 1.199 by root, Tue Dec 25 07:05:45 2007 UTC