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

Comparing libev/ev.c (file contents):
Revision 1.186 by root, Sat Dec 15 23:14:38 2007 UTC vs.
Revision 1.226 by root, Fri Apr 18 17:16:44 2008 UTC

…		…
1	/*	1	/*
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) 2007,2008 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
35		43
		44	/* this big block deduces configuration from config.h */
36	#ifndef EV_STANDALONE	45	#ifndef EV_STANDALONE
37	# ifdef EV_CONFIG_H	46	# ifdef EV_CONFIG_H
38	# include EV_CONFIG_H	47	# include EV_CONFIG_H
39	# else	48	# else
40	# include "config.h"	49	# include "config.h"
51	# ifndef EV_USE_MONOTONIC	60	# ifndef EV_USE_MONOTONIC
52	# define EV_USE_MONOTONIC 0	61	# define EV_USE_MONOTONIC 0
53	# endif	62	# endif
54	# ifndef EV_USE_REALTIME	63	# ifndef EV_USE_REALTIME
55	# define EV_USE_REALTIME 0	64	# define EV_USE_REALTIME 0
		65	# endif
		66	# endif
		67
		68	# ifndef EV_USE_NANOSLEEP
		69	# if HAVE_NANOSLEEP
		70	# define EV_USE_NANOSLEEP 1
		71	# else
		72	# define EV_USE_NANOSLEEP 0
56	# endif	73	# endif
57	# endif	74	# endif
58		75
59	# ifndef EV_USE_SELECT	76	# ifndef EV_USE_SELECT
60	# if HAVE_SELECT && HAVE_SYS_SELECT_H	77	# if HAVE_SELECT && HAVE_SYS_SELECT_H
…		…
102	# else	119	# else
103	# define EV_USE_INOTIFY 0	120	# define EV_USE_INOTIFY 0
104	# endif	121	# endif
105	# endif	122	# endif
106		123
		124	# ifndef EV_USE_EVENTFD
		125	# if HAVE_EVENTFD
		126	# define EV_USE_EVENTFD 1
		127	# else
		128	# define EV_USE_EVENTFD 0
		129	# endif
		130	# endif
		131
107	#endif	132	#endif
108		133
109	#include <math.h>	134	#include <math.h>
110	#include <stdlib.h>	135	#include <stdlib.h>
111	#include <fcntl.h>	136	#include <fcntl.h>
…		…
136	# ifndef EV_SELECT_IS_WINSOCKET	161	# ifndef EV_SELECT_IS_WINSOCKET
137	# define EV_SELECT_IS_WINSOCKET 1	162	# define EV_SELECT_IS_WINSOCKET 1
138	# endif	163	# endif
139	#endif	164	#endif
140		165
141	/**/	166	/* this block tries to deduce configuration from header-defined symbols and defaults */
142		167
143	#ifndef EV_USE_MONOTONIC	168	#ifndef EV_USE_MONOTONIC
144	# define EV_USE_MONOTONIC 0	169	# define EV_USE_MONOTONIC 0
145	#endif	170	#endif
146		171
147	#ifndef EV_USE_REALTIME	172	#ifndef EV_USE_REALTIME
148	# define EV_USE_REALTIME 0	173	# define EV_USE_REALTIME 0
		174	#endif
		175
		176	#ifndef EV_USE_NANOSLEEP
		177	# define EV_USE_NANOSLEEP 0
149	#endif	178	#endif
150		179
151	#ifndef EV_USE_SELECT	180	#ifndef EV_USE_SELECT
152	# define EV_USE_SELECT 1	181	# define EV_USE_SELECT 1
153	#endif	182	#endif
…		…
159	# define EV_USE_POLL 1	188	# define EV_USE_POLL 1
160	# endif	189	# endif
161	#endif	190	#endif
162		191
163	#ifndef EV_USE_EPOLL	192	#ifndef EV_USE_EPOLL
		193	# if __linux && (__GLIBC__ > 2 \|\| (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))
		194	# define EV_USE_EPOLL 1
		195	# else
164	# define EV_USE_EPOLL 0	196	# define EV_USE_EPOLL 0
		197	# endif
165	#endif	198	#endif
166		199
167	#ifndef EV_USE_KQUEUE	200	#ifndef EV_USE_KQUEUE
168	# define EV_USE_KQUEUE 0	201	# define EV_USE_KQUEUE 0
169	#endif	202	#endif
…		…
171	#ifndef EV_USE_PORT	204	#ifndef EV_USE_PORT
172	# define EV_USE_PORT 0	205	# define EV_USE_PORT 0
173	#endif	206	#endif
174		207
175	#ifndef EV_USE_INOTIFY	208	#ifndef EV_USE_INOTIFY
		209	# if __linux && (__GLIBC__ > 2 \|\| (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))
		210	# define EV_USE_INOTIFY 1
		211	# else
176	# define EV_USE_INOTIFY 0	212	# define EV_USE_INOTIFY 0
		213	# endif
177	#endif	214	#endif
178		215
179	#ifndef EV_PID_HASHSIZE	216	#ifndef EV_PID_HASHSIZE
180	# if EV_MINIMAL	217	# if EV_MINIMAL
181	# define EV_PID_HASHSIZE 1	218	# define EV_PID_HASHSIZE 1
…		…
190	# else	227	# else
191	# define EV_INOTIFY_HASHSIZE 16	228	# define EV_INOTIFY_HASHSIZE 16
192	# endif	229	# endif
193	#endif	230	#endif
194		231
195	/**/	232	#ifndef EV_USE_EVENTFD
		233	# if __linux && (__GLIBC__ > 2 \|\| (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7))
		234	# define EV_USE_EVENTFD 1
		235	# else
		236	# define EV_USE_EVENTFD 0
		237	# endif
		238	#endif
		239
		240	/* this block fixes any misconfiguration where we know we run into trouble otherwise */
196		241
197	#ifndef CLOCK_MONOTONIC	242	#ifndef CLOCK_MONOTONIC
198	# undef EV_USE_MONOTONIC	243	# undef EV_USE_MONOTONIC
199	# define EV_USE_MONOTONIC 0	244	# define EV_USE_MONOTONIC 0
200	#endif	245	#endif
…		…
207	#if !EV_STAT_ENABLE	252	#if !EV_STAT_ENABLE
208	# undef EV_USE_INOTIFY	253	# undef EV_USE_INOTIFY
209	# define EV_USE_INOTIFY 0	254	# define EV_USE_INOTIFY 0
210	#endif	255	#endif
211		256
		257	#if !EV_USE_NANOSLEEP
		258	# ifndef _WIN32
		259	# include <sys/select.h>
		260	# endif
		261	#endif
		262
212	#if EV_USE_INOTIFY	263	#if EV_USE_INOTIFY
213	# include <sys/inotify.h>	264	# include <sys/inotify.h>
214	#endif	265	#endif
215		266
216	#if EV_SELECT_IS_WINSOCKET	267	#if EV_SELECT_IS_WINSOCKET
217	# include <winsock.h>	268	# include <winsock.h>
		269	#endif
		270
		271	#if EV_USE_EVENTFD
		272	/* our minimum requirement is glibc 2.7 which has the stub, but not the header */
		273	# include <stdint.h>
		274	# ifdef __cplusplus
		275	extern "C" {
		276	# endif
		277	int eventfd (unsigned int initval, int flags);
		278	# ifdef __cplusplus
		279	}
		280	# endif
218	#endif	281	#endif
219		282
220	/**/	283	/**/
221		284
222	/*	285	/*
…		…
237	# define expect(expr,value) __builtin_expect ((expr),(value))	300	# define expect(expr,value) __builtin_expect ((expr),(value))
238	# define noinline __attribute__ ((noinline))	301	# define noinline __attribute__ ((noinline))
239	#else	302	#else
240	# define expect(expr,value) (expr)	303	# define expect(expr,value) (expr)
241	# define noinline	304	# define noinline
242	# if __STDC_VERSION__ < 199901L	305	# if __STDC_VERSION__ < 199901L && __GNUC__ < 2
243	# define inline	306	# define inline
244	# endif	307	# endif
245	#endif	308	#endif
246		309
247	#define expect_false(expr) expect ((expr) != 0, 0)	310	#define expect_false(expr) expect ((expr) != 0, 0)
…		…
262		325
263	typedef ev_watcher *W;	326	typedef ev_watcher *W;
264	typedef ev_watcher_list *WL;	327	typedef ev_watcher_list *WL;
265	typedef ev_watcher_time *WT;	328	typedef ev_watcher_time *WT;
266		329
		330	#if EV_USE_MONOTONIC
		331	/* sig_atomic_t is used to avoid per-thread variables or locking but still */
		332	/* giving it a reasonably high chance of working on typical architetcures */
267	static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */	333	static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */
		334	#endif
268		335
269	#ifdef _WIN32	336	#ifdef _WIN32
270	# include "ev_win32.c"	337	# include "ev_win32.c"
271	#endif	338	#endif
272		339
…		…
293	perror (msg);	360	perror (msg);
294	abort ();	361	abort ();
295	}	362	}
296	}	363	}
297		364
		365	static void *
		366	ev_realloc_emul (void *ptr, long size)
		367	{
		368	/* some systems, notably openbsd and darwin, fail to properly
		369	* implement realloc (x, 0) (as required by both ansi c-98 and
		370	* the single unix specification, so work around them here.
		371	*/
		372
		373	if (size)
		374	return realloc (ptr, size);
		375
		376	free (ptr);
		377	return 0;
		378	}
		379
298	static void (alloc)(void *ptr, long size);	380	static void (alloc)(void *ptr, long size) = ev_realloc_emul;
299		381
300	void	382	void
301	ev_set_allocator (void (cb)(void *ptr, long size))	383	ev_set_allocator (void (cb)(void *ptr, long size))
302	{	384	{
303	alloc = cb;	385	alloc = cb;
304	}	386	}
305		387
306	inline_speed void *	388	inline_speed void *
307	ev_realloc (void *ptr, long size)	389	ev_realloc (void *ptr, long size)
308	{	390	{
309	ptr = alloc ? alloc (ptr, size) : realloc (ptr, size);	391	ptr = alloc (ptr, size);
310		392
311	if (!ptr && size)	393	if (!ptr && size)
312	{	394	{
313	fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size);	395	fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size);
314	abort ();	396	abort ();
…		…
408	{	490	{
409	return ev_rt_now;	491	return ev_rt_now;
410	}	492	}
411	#endif	493	#endif
412		494
		495	void
		496	ev_sleep (ev_tstamp delay)
		497	{
		498	if (delay > 0.)
		499	{
		500	#if EV_USE_NANOSLEEP
		501	struct timespec ts;
		502
		503	ts.tv_sec = (time_t)delay;
		504	ts.tv_nsec = (long)((delay - (ev_tstamp)(ts.tv_sec)) * 1e9);
		505
		506	nanosleep (&ts, 0);
		507	#elif defined(_WIN32)
		508	Sleep ((unsigned long)(delay * 1e3));
		509	#else
		510	struct timeval tv;
		511
		512	tv.tv_sec = (time_t)delay;
		513	tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6);
		514
		515	select (0, 0, 0, 0, &tv);
		516	#endif
		517	}
		518	}
		519
		520	/*****************************************************************************/
		521
413	int inline_size	522	int inline_size
414	array_nextsize (int elem, int cur, int cnt)	523	array_nextsize (int elem, int cur, int cnt)
415	{	524	{
416	int ncur = cur + 1;	525	int ncur = cur + 1;
417		526
…		…
543		652
544	#if EV_SELECT_IS_WINSOCKET	653	#if EV_SELECT_IS_WINSOCKET
545	if (events)	654	if (events)
546	{	655	{
547	unsigned long argp;	656	unsigned long argp;
		657	#ifdef EV_FD_TO_WIN32_HANDLE
		658	anfd->handle = EV_FD_TO_WIN32_HANDLE (fd);
		659	#else
548	anfd->handle = _get_osfhandle (fd);	660	anfd->handle = _get_osfhandle (fd);
		661	#endif
549	assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0));	662	assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0));
550	}	663	}
551	#endif	664	#endif
552		665
553	{	666	{
…		…
702	/*****************************************************************************/	815	/*****************************************************************************/
703		816
704	typedef struct	817	typedef struct
705	{	818	{
706	WL head;	819	WL head;
707	sig_atomic_t volatile gotsig;	820	EV_ATOMIC_T gotsig;
708	} ANSIG;	821	} ANSIG;
709		822
710	static ANSIG *signals;	823	static ANSIG *signals;
711	static int signalmax;	824	static int signalmax;
712		825
713	static int sigpipe [2];	826	static EV_ATOMIC_T gotsig;
714	static sig_atomic_t volatile gotsig;
715	static ev_io sigev;
716		827
717	void inline_size	828	void inline_size
718	signals_init (ANSIG *base, int count)	829	signals_init (ANSIG *base, int count)
719	{	830	{
720	while (count--)	831	while (count--)
…		…
724		835
725	++base;	836	++base;
726	}	837	}
727	}	838	}
728		839
729	static void	840	/*****************************************************************************/
730	sighandler (int signum)
731	{
732	#if _WIN32
733	signal (signum, sighandler);
734	#endif
735
736	signals [signum - 1].gotsig = 1;
737
738	if (!gotsig)
739	{
740	int old_errno = errno;
741	gotsig = 1;
742	write (sigpipe [1], &signum, 1);
743	errno = old_errno;
744	}
745	}
746
747	void noinline
748	ev_feed_signal_event (EV_P_ int signum)
749	{
750	WL w;
751
752	#if EV_MULTIPLICITY
753	assert (("feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr));
754	#endif
755
756	--signum;
757
758	if (signum < 0 \|\| signum >= signalmax)
759	return;
760
761	signals [signum].gotsig = 0;
762
763	for (w = signals [signum].head; w; w = w->next)
764	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);
765	}
766
767	static void
768	sigcb (EV_P_ ev_io *iow, int revents)
769	{
770	int signum;
771
772	read (sigpipe [0], &revents, 1);
773	gotsig = 0;
774
775	for (signum = signalmax; signum--; )
776	if (signals [signum].gotsig)
777	ev_feed_signal_event (EV_A_ signum + 1);
778	}
779		841
780	void inline_speed	842	void inline_speed
781	fd_intern (int fd)	843	fd_intern (int fd)
782	{	844	{
783	#ifdef _WIN32	845	#ifdef _WIN32
…		…
788	fcntl (fd, F_SETFL, O_NONBLOCK);	850	fcntl (fd, F_SETFL, O_NONBLOCK);
789	#endif	851	#endif
790	}	852	}
791		853
792	static void noinline	854	static void noinline
793	siginit (EV_P)	855	evpipe_init (EV_P)
794	{	856	{
		857	if (!ev_is_active (&pipeev))
		858	{
		859	#if EV_USE_EVENTFD
		860	if ((evfd = eventfd (0, 0)) >= 0)
		861	{
		862	evpipe [0] = -1;
		863	fd_intern (evfd);
		864	ev_io_set (&pipeev, evfd, EV_READ);
		865	}
		866	else
		867	#endif
		868	{
		869	while (pipe (evpipe))
		870	syserr ("(libev) error creating signal/async pipe");
		871
795	fd_intern (sigpipe [0]);	872	fd_intern (evpipe [0]);
796	fd_intern (sigpipe [1]);	873	fd_intern (evpipe [1]);
		874	ev_io_set (&pipeev, evpipe [0], EV_READ);
		875	}
797		876
798	ev_io_set (&sigev, sigpipe [0], EV_READ);
799	ev_io_start (EV_A_ &sigev);	877	ev_io_start (EV_A_ &pipeev);
800	ev_unref (EV_A); /* child watcher should not keep loop alive */	878	ev_unref (EV_A); /* watcher should not keep loop alive */
		879	}
		880	}
		881
		882	void inline_size
		883	evpipe_write (EV_P_ EV_ATOMIC_T *flag)
		884	{
		885	if (!*flag)
		886	{
		887	int old_errno = errno; /* save errno because write might clobber it */
		888
		889	*flag = 1;
		890
		891	#if EV_USE_EVENTFD
		892	if (evfd >= 0)
		893	{
		894	uint64_t counter = 1;
		895	write (evfd, &counter, sizeof (uint64_t));
		896	}
		897	else
		898	#endif
		899	write (evpipe [1], &old_errno, 1);
		900
		901	errno = old_errno;
		902	}
		903	}
		904
		905	static void
		906	pipecb (EV_P_ ev_io *iow, int revents)
		907	{
		908	#if EV_USE_EVENTFD
		909	if (evfd >= 0)
		910	{
		911	uint64_t counter = 1;
		912	read (evfd, &counter, sizeof (uint64_t));
		913	}
		914	else
		915	#endif
		916	{
		917	char dummy;
		918	read (evpipe [0], &dummy, 1);
		919	}
		920
		921	if (gotsig && ev_is_default_loop (EV_A))
		922	{
		923	int signum;
		924	gotsig = 0;
		925
		926	for (signum = signalmax; signum--; )
		927	if (signals [signum].gotsig)
		928	ev_feed_signal_event (EV_A_ signum + 1);
		929	}
		930
		931	#if EV_ASYNC_ENABLE
		932	if (gotasync)
		933	{
		934	int i;
		935	gotasync = 0;
		936
		937	for (i = asynccnt; i--; )
		938	if (asyncs [i]->sent)
		939	{
		940	asyncs [i]->sent = 0;
		941	ev_feed_event (EV_A_ asyncs [i], EV_ASYNC);
		942	}
		943	}
		944	#endif
801	}	945	}
802		946
803	/*****************************************************************************/	947	/*****************************************************************************/
804		948
		949	static void
		950	ev_sighandler (int signum)
		951	{
		952	#if EV_MULTIPLICITY
		953	struct ev_loop *loop = &default_loop_struct;
		954	#endif
		955
		956	#if _WIN32
		957	signal (signum, ev_sighandler);
		958	#endif
		959
		960	signals [signum - 1].gotsig = 1;
		961	evpipe_write (EV_A_ &gotsig);
		962	}
		963
		964	void noinline
		965	ev_feed_signal_event (EV_P_ int signum)
		966	{
		967	WL w;
		968
		969	#if EV_MULTIPLICITY
		970	assert (("feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr));
		971	#endif
		972
		973	--signum;
		974
		975	if (signum < 0 \|\| signum >= signalmax)
		976	return;
		977
		978	signals [signum].gotsig = 0;
		979
		980	for (w = signals [signum].head; w; w = w->next)
		981	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);
		982	}
		983
		984	/*****************************************************************************/
		985
805	static WL childs [EV_PID_HASHSIZE];	986	static WL childs [EV_PID_HASHSIZE];
806		987
807	#ifndef _WIN32	988	#ifndef _WIN32
808		989
809	static ev_signal childev;	990	static ev_signal childev;
810		991
		992	#ifndef WIFCONTINUED
		993	# define WIFCONTINUED(status) 0
		994	#endif
		995
811	void inline_speed	996	void inline_speed
812	child_reap (EV_P_ ev_signal *sw, int chain, int pid, int status)	997	child_reap (EV_P_ int chain, int pid, int status)
813	{	998	{
814	ev_child *w;	999	ev_child *w;
		1000	int traced = WIFSTOPPED (status) \|\| WIFCONTINUED (status);
815		1001
816	for (w = (ev_child )childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child )((WL)w)->next)	1002	for (w = (ev_child )childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child )((WL)w)->next)
		1003	{
817	if (w->pid == pid \|\| !w->pid)	1004	if ((w->pid == pid \|\| !w->pid)
		1005	&& (!traced \|\| (w->flags & 1)))
818	{	1006	{
819	ev_set_priority (w, ev_priority (sw)); /* need to do it now */	1007	ev_set_priority (w, EV_MAXPRI); /* need to do it now, this must be the same prio as the signal watcher itself */
820	w->rpid = pid;	1008	w->rpid = pid;
821	w->rstatus = status;	1009	w->rstatus = status;
822	ev_feed_event (EV_A_ (W)w, EV_CHILD);	1010	ev_feed_event (EV_A_ (W)w, EV_CHILD);
823	}	1011	}
		1012	}
824	}	1013	}
825		1014
826	#ifndef WCONTINUED	1015	#ifndef WCONTINUED
827	# define WCONTINUED 0	1016	# define WCONTINUED 0
828	#endif	1017	#endif
…		…
837	if (!WCONTINUED	1026	if (!WCONTINUED
838	\|\| errno != EINVAL	1027	\|\| errno != EINVAL
839	\|\| 0 >= (pid = waitpid (-1, &status, WNOHANG \| WUNTRACED)))	1028	\|\| 0 >= (pid = waitpid (-1, &status, WNOHANG \| WUNTRACED)))
840	return;	1029	return;
841		1030
842	/* make sure we are called again until all childs have been reaped */	1031	/* make sure we are called again until all children have been reaped */
843	/* we need to do it this way so that the callback gets called before we continue */	1032	/* we need to do it this way so that the callback gets called before we continue */
844	ev_feed_event (EV_A_ (W)sw, EV_SIGNAL);	1033	ev_feed_event (EV_A_ (W)sw, EV_SIGNAL);
845		1034
846	child_reap (EV_A_ sw, pid, pid, status);	1035	child_reap (EV_A_ pid, pid, status);
847	if (EV_PID_HASHSIZE > 1)	1036	if (EV_PID_HASHSIZE > 1)
848	child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */	1037	child_reap (EV_A_ 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */
849	}	1038	}
850		1039
851	#endif	1040	#endif
852		1041
853	/*****************************************************************************/	1042	/*****************************************************************************/
…		…
925	}	1114	}
926		1115
927	unsigned int	1116	unsigned int
928	ev_embeddable_backends (void)	1117	ev_embeddable_backends (void)
929	{	1118	{
930	return EVBACKEND_EPOLL	1119	int flags = EVBACKEND_EPOLL \| EVBACKEND_KQUEUE \| EVBACKEND_PORT;
931	\| EVBACKEND_KQUEUE	1120
932	\| EVBACKEND_PORT;	1121	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */
		1122	/* please fix it and tell me how to detect the fix */
		1123	flags &= ~EVBACKEND_EPOLL;
		1124
		1125	return flags;
933	}	1126	}
934		1127
935	unsigned int	1128	unsigned int
936	ev_backend (EV_P)	1129	ev_backend (EV_P)
937	{	1130	{
…		…
940		1133
941	unsigned int	1134	unsigned int
942	ev_loop_count (EV_P)	1135	ev_loop_count (EV_P)
943	{	1136	{
944	return loop_count;	1137	return loop_count;
		1138	}
		1139
		1140	void
		1141	ev_set_io_collect_interval (EV_P_ ev_tstamp interval)
		1142	{
		1143	io_blocktime = interval;
		1144	}
		1145
		1146	void
		1147	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval)
		1148	{
		1149	timeout_blocktime = interval;
945	}	1150	}
946		1151
947	static void noinline	1152	static void noinline
948	loop_init (EV_P_ unsigned int flags)	1153	loop_init (EV_P_ unsigned int flags)
949	{	1154	{
…		…
955	if (!clock_gettime (CLOCK_MONOTONIC, &ts))	1160	if (!clock_gettime (CLOCK_MONOTONIC, &ts))
956	have_monotonic = 1;	1161	have_monotonic = 1;
957	}	1162	}
958	#endif	1163	#endif
959		1164
960	ev_rt_now = ev_time ();	1165	ev_rt_now = ev_time ();
961	mn_now = get_clock ();	1166	mn_now = get_clock ();
962	now_floor = mn_now;	1167	now_floor = mn_now;
963	rtmn_diff = ev_rt_now - mn_now;	1168	rtmn_diff = ev_rt_now - mn_now;
		1169
		1170	io_blocktime = 0.;
		1171	timeout_blocktime = 0.;
		1172	backend = 0;
		1173	backend_fd = -1;
		1174	gotasync = 0;
		1175	#if EV_USE_INOTIFY
		1176	fs_fd = -2;
		1177	#endif
964		1178
965	/* pid check not overridable via env */	1179	/* pid check not overridable via env */
966	#ifndef _WIN32	1180	#ifndef _WIN32
967	if (flags & EVFLAG_FORKCHECK)	1181	if (flags & EVFLAG_FORKCHECK)
968	curpid = getpid ();	1182	curpid = getpid ();
…		…
971	if (!(flags & EVFLAG_NOENV)	1185	if (!(flags & EVFLAG_NOENV)
972	&& !enable_secure ()	1186	&& !enable_secure ()
973	&& getenv ("LIBEV_FLAGS"))	1187	&& getenv ("LIBEV_FLAGS"))
974	flags = atoi (getenv ("LIBEV_FLAGS"));	1188	flags = atoi (getenv ("LIBEV_FLAGS"));
975		1189
976	if (!(flags & 0x0000ffffUL))	1190	if (!(flags & 0x0000ffffU))
977	flags \|= ev_recommended_backends ();	1191	flags \|= ev_recommended_backends ();
978
979	backend = 0;
980	backend_fd = -1;
981	#if EV_USE_INOTIFY
982	fs_fd = -2;
983	#endif
984		1192
985	#if EV_USE_PORT	1193	#if EV_USE_PORT
986	if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);	1194	if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);
987	#endif	1195	#endif
988	#if EV_USE_KQUEUE	1196	#if EV_USE_KQUEUE
…		…
996	#endif	1204	#endif
997	#if EV_USE_SELECT	1205	#if EV_USE_SELECT
998	if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags);	1206	if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags);
999	#endif	1207	#endif
1000		1208
1001	ev_init (&sigev, sigcb);	1209	ev_init (&pipeev, pipecb);
1002	ev_set_priority (&sigev, EV_MAXPRI);	1210	ev_set_priority (&pipeev, EV_MAXPRI);
1003	}	1211	}
1004	}	1212	}
1005		1213
1006	static void noinline	1214	static void noinline
1007	loop_destroy (EV_P)	1215	loop_destroy (EV_P)
1008	{	1216	{
1009	int i;	1217	int i;
		1218
		1219	if (ev_is_active (&pipeev))
		1220	{
		1221	ev_ref (EV_A); /* signal watcher */
		1222	ev_io_stop (EV_A_ &pipeev);
		1223
		1224	#if EV_USE_EVENTFD
		1225	if (evfd >= 0)
		1226	close (evfd);
		1227	#endif
		1228
		1229	if (evpipe [0] >= 0)
		1230	{
		1231	close (evpipe [0]);
		1232	close (evpipe [1]);
		1233	}
		1234	}
1010		1235
1011	#if EV_USE_INOTIFY	1236	#if EV_USE_INOTIFY
1012	if (fs_fd >= 0)	1237	if (fs_fd >= 0)
1013	close (fs_fd);	1238	close (fs_fd);
1014	#endif	1239	#endif
…		…
1046	array_free (fdchange, EMPTY);	1271	array_free (fdchange, EMPTY);
1047	array_free (timer, EMPTY);	1272	array_free (timer, EMPTY);
1048	#if EV_PERIODIC_ENABLE	1273	#if EV_PERIODIC_ENABLE
1049	array_free (periodic, EMPTY);	1274	array_free (periodic, EMPTY);
1050	#endif	1275	#endif
		1276	#if EV_FORK_ENABLE
		1277	array_free (fork, EMPTY);
		1278	#endif
1051	array_free (prepare, EMPTY);	1279	array_free (prepare, EMPTY);
1052	array_free (check, EMPTY);	1280	array_free (check, EMPTY);
		1281	#if EV_ASYNC_ENABLE
1053	array_free (fork, EMPTY);	1282	array_free (async, EMPTY);
		1283	#endif
1054		1284
1055	backend = 0;	1285	backend = 0;
1056	}	1286	}
1057		1287
		1288	#if EV_USE_INOTIFY
1058	void inline_size infy_fork (EV_P);	1289	void inline_size infy_fork (EV_P);
		1290	#endif
1059		1291
1060	void inline_size	1292	void inline_size
1061	loop_fork (EV_P)	1293	loop_fork (EV_P)
1062	{	1294	{
1063	#if EV_USE_PORT	1295	#if EV_USE_PORT
…		…
1071	#endif	1303	#endif
1072	#if EV_USE_INOTIFY	1304	#if EV_USE_INOTIFY
1073	infy_fork (EV_A);	1305	infy_fork (EV_A);
1074	#endif	1306	#endif
1075		1307
1076	if (ev_is_active (&sigev))	1308	if (ev_is_active (&pipeev))
1077	{	1309	{
1078	/* default loop */	1310	/* this "locks" the handlers against writing to the pipe */
		1311	/* while we modify the fd vars */
		1312	gotsig = 1;
		1313	#if EV_ASYNC_ENABLE
		1314	gotasync = 1;
		1315	#endif
1079		1316
1080	ev_ref (EV_A);	1317	ev_ref (EV_A);
1081	ev_io_stop (EV_A_ &sigev);	1318	ev_io_stop (EV_A_ &pipeev);
		1319
		1320	#if EV_USE_EVENTFD
		1321	if (evfd >= 0)
		1322	close (evfd);
		1323	#endif
		1324
		1325	if (evpipe [0] >= 0)
		1326	{
1082	close (sigpipe [0]);	1327	close (evpipe [0]);
1083	close (sigpipe [1]);	1328	close (evpipe [1]);
		1329	}
1084		1330
1085	while (pipe (sigpipe))
1086	syserr ("(libev) error creating pipe");
1087
1088	siginit (EV_A);	1331	evpipe_init (EV_A);
		1332	/* now iterate over everything, in case we missed something */
		1333	pipecb (EV_A_ &pipeev, EV_READ);
1089	}	1334	}
1090		1335
1091	postfork = 0;	1336	postfork = 0;
1092	}	1337	}
1093		1338
…		…
1115	}	1360	}
1116		1361
1117	void	1362	void
1118	ev_loop_fork (EV_P)	1363	ev_loop_fork (EV_P)
1119	{	1364	{
1120	postfork = 1;	1365	postfork = 1; /* must be in line with ev_default_fork */
1121	}	1366	}
1122		1367
1123	#endif	1368	#endif
1124		1369
1125	#if EV_MULTIPLICITY	1370	#if EV_MULTIPLICITY
…		…
1128	#else	1373	#else
1129	int	1374	int
1130	ev_default_loop (unsigned int flags)	1375	ev_default_loop (unsigned int flags)
1131	#endif	1376	#endif
1132	{	1377	{
1133	if (sigpipe [0] == sigpipe [1])
1134	if (pipe (sigpipe))
1135	return 0;
1136
1137	if (!ev_default_loop_ptr)	1378	if (!ev_default_loop_ptr)
1138	{	1379	{
1139	#if EV_MULTIPLICITY	1380	#if EV_MULTIPLICITY
1140	struct ev_loop *loop = ev_default_loop_ptr = &default_loop_struct;	1381	struct ev_loop *loop = ev_default_loop_ptr = &default_loop_struct;
1141	#else	1382	#else
…		…
1144		1385
1145	loop_init (EV_A_ flags);	1386	loop_init (EV_A_ flags);
1146		1387
1147	if (ev_backend (EV_A))	1388	if (ev_backend (EV_A))
1148	{	1389	{
1149	siginit (EV_A);
1150
1151	#ifndef _WIN32	1390	#ifndef _WIN32
1152	ev_signal_init (&childev, childcb, SIGCHLD);	1391	ev_signal_init (&childev, childcb, SIGCHLD);
1153	ev_set_priority (&childev, EV_MAXPRI);	1392	ev_set_priority (&childev, EV_MAXPRI);
1154	ev_signal_start (EV_A_ &childev);	1393	ev_signal_start (EV_A_ &childev);
1155	ev_unref (EV_A); /* child watcher should not keep loop alive */	1394	ev_unref (EV_A); /* child watcher should not keep loop alive */
…		…
1172	#ifndef _WIN32	1411	#ifndef _WIN32
1173	ev_ref (EV_A); /* child watcher */	1412	ev_ref (EV_A); /* child watcher */
1174	ev_signal_stop (EV_A_ &childev);	1413	ev_signal_stop (EV_A_ &childev);
1175	#endif	1414	#endif
1176		1415
1177	ev_ref (EV_A); /* signal watcher */
1178	ev_io_stop (EV_A_ &sigev);
1179
1180	close (sigpipe [0]); sigpipe [0] = 0;
1181	close (sigpipe [1]); sigpipe [1] = 0;
1182
1183	loop_destroy (EV_A);	1416	loop_destroy (EV_A);
1184	}	1417	}
1185		1418
1186	void	1419	void
1187	ev_default_fork (void)	1420	ev_default_fork (void)
…		…
1189	#if EV_MULTIPLICITY	1422	#if EV_MULTIPLICITY
1190	struct ev_loop *loop = ev_default_loop_ptr;	1423	struct ev_loop *loop = ev_default_loop_ptr;
1191	#endif	1424	#endif
1192		1425
1193	if (backend)	1426	if (backend)
1194	postfork = 1;	1427	postfork = 1; /* must be in line with ev_loop_fork */
1195	}	1428	}
1196		1429
1197	/*****************************************************************************/	1430	/*****************************************************************************/
1198		1431
1199	void	1432	void
…		…
1408	static int loop_done;	1641	static int loop_done;
1409		1642
1410	void	1643	void
1411	ev_loop (EV_P_ int flags)	1644	ev_loop (EV_P_ int flags)
1412	{	1645	{
1413	loop_done = flags & (EVLOOP_ONESHOT \| EVLOOP_NONBLOCK)	1646	loop_done = EVUNLOOP_CANCEL;
1414	? EVUNLOOP_ONE
1415	: EVUNLOOP_CANCEL;
1416		1647
1417	call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */	1648	call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */
1418		1649
1419	do	1650	do
1420	{	1651	{
…		…
1454	/* update fd-related kernel structures */	1685	/* update fd-related kernel structures */
1455	fd_reify (EV_A);	1686	fd_reify (EV_A);
1456		1687
1457	/* calculate blocking time */	1688	/* calculate blocking time */
1458	{	1689	{
1459	ev_tstamp block;	1690	ev_tstamp waittime = 0.;
		1691	ev_tstamp sleeptime = 0.;
1460		1692
1461	if (expect_false (flags & EVLOOP_NONBLOCK \|\| idleall \|\| !activecnt))	1693	if (expect_true (!(flags & EVLOOP_NONBLOCK \|\| idleall \|\| !activecnt)))
1462	block = 0.; /* do not block at all */
1463	else
1464	{	1694	{
1465	/* update time to cancel out callback processing overhead */	1695	/* update time to cancel out callback processing overhead */
1466	time_update (EV_A_ 1e100);	1696	time_update (EV_A_ 1e100);
1467		1697
1468	block = MAX_BLOCKTIME;	1698	waittime = MAX_BLOCKTIME;
1469		1699
1470	if (timercnt)	1700	if (timercnt)
1471	{	1701	{
1472	ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge;	1702	ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge;
1473	if (block > to) block = to;	1703	if (waittime > to) waittime = to;
1474	}	1704	}
1475		1705
1476	#if EV_PERIODIC_ENABLE	1706	#if EV_PERIODIC_ENABLE
1477	if (periodiccnt)	1707	if (periodiccnt)
1478	{	1708	{
1479	ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + backend_fudge;	1709	ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + backend_fudge;
1480	if (block > to) block = to;	1710	if (waittime > to) waittime = to;
1481	}	1711	}
1482	#endif	1712	#endif
1483		1713
1484	if (expect_false (block < 0.)) block = 0.;	1714	if (expect_false (waittime < timeout_blocktime))
		1715	waittime = timeout_blocktime;
		1716
		1717	sleeptime = waittime - backend_fudge;
		1718
		1719	if (expect_true (sleeptime > io_blocktime))
		1720	sleeptime = io_blocktime;
		1721
		1722	if (sleeptime)
		1723	{
		1724	ev_sleep (sleeptime);
		1725	waittime -= sleeptime;
		1726	}
1485	}	1727	}
1486		1728
1487	++loop_count;	1729	++loop_count;
1488	backend_poll (EV_A_ block);	1730	backend_poll (EV_A_ waittime);
1489		1731
1490	/* update ev_rt_now, do magic */	1732	/* update ev_rt_now, do magic */
1491	time_update (EV_A_ block);	1733	time_update (EV_A_ waittime + sleeptime);
1492	}	1734	}
1493		1735
1494	/* queue pending timers and reschedule them */	1736	/* queue pending timers and reschedule them */
1495	timers_reify (EV_A); /* relative timers called last */	1737	timers_reify (EV_A); /* relative timers called last */
1496	#if EV_PERIODIC_ENABLE	1738	#if EV_PERIODIC_ENABLE
…		…
1505	/* queue check watchers, to be executed first */	1747	/* queue check watchers, to be executed first */
1506	if (expect_false (checkcnt))	1748	if (expect_false (checkcnt))
1507	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);	1749	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
1508		1750
1509	call_pending (EV_A);	1751	call_pending (EV_A);
1510
1511	}	1752	}
1512	while (expect_true (activecnt && !loop_done));	1753	while (expect_true (
		1754	activecnt
		1755	&& !loop_done
		1756	&& !(flags & (EVLOOP_ONESHOT \| EVLOOP_NONBLOCK))
		1757	));
1513		1758
1514	if (loop_done == EVUNLOOP_ONE)	1759	if (loop_done == EVUNLOOP_ONE)
1515	loop_done = EVUNLOOP_CANCEL;	1760	loop_done = EVUNLOOP_CANCEL;
1516	}	1761	}
1517		1762
…		…
1763	if (expect_false (ev_is_active (w)))	2008	if (expect_false (ev_is_active (w)))
1764	return;	2009	return;
1765		2010
1766	assert (("ev_signal_start called with illegal signal number", w->signum > 0));	2011	assert (("ev_signal_start called with illegal signal number", w->signum > 0));
1767		2012
		2013	evpipe_init (EV_A);
		2014
1768	{	2015	{
1769	#ifndef _WIN32	2016	#ifndef _WIN32
1770	sigset_t full, prev;	2017	sigset_t full, prev;
1771	sigfillset (&full);	2018	sigfillset (&full);
1772	sigprocmask (SIG_SETMASK, &full, &prev);	2019	sigprocmask (SIG_SETMASK, &full, &prev);
…		…
1783	wlist_add (&signals [w->signum - 1].head, (WL)w);	2030	wlist_add (&signals [w->signum - 1].head, (WL)w);
1784		2031
1785	if (!((WL)w)->next)	2032	if (!((WL)w)->next)
1786	{	2033	{
1787	#if _WIN32	2034	#if _WIN32
1788	signal (w->signum, sighandler);	2035	signal (w->signum, ev_sighandler);
1789	#else	2036	#else
1790	struct sigaction sa;	2037	struct sigaction sa;
1791	sa.sa_handler = sighandler;	2038	sa.sa_handler = ev_sighandler;
1792	sigfillset (&sa.sa_mask);	2039	sigfillset (&sa.sa_mask);
1793	sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */	2040	sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */
1794	sigaction (w->signum, &sa, 0);	2041	sigaction (w->signum, &sa, 0);
1795	#endif	2042	#endif
1796	}	2043	}
…		…
2180		2427
2181	#if EV_EMBED_ENABLE	2428	#if EV_EMBED_ENABLE
2182	void noinline	2429	void noinline
2183	ev_embed_sweep (EV_P_ ev_embed *w)	2430	ev_embed_sweep (EV_P_ ev_embed *w)
2184	{	2431	{
2185	ev_loop (w->loop, EVLOOP_NONBLOCK);	2432	ev_loop (w->other, EVLOOP_NONBLOCK);
2186	}	2433	}
2187		2434
2188	static void	2435	static void
2189	embed_cb (EV_P_ ev_io *io, int revents)	2436	embed_io_cb (EV_P_ ev_io *io, int revents)
2190	{	2437	{
2191	ev_embed w = (ev_embed )(((char *)io) - offsetof (ev_embed, io));	2438	ev_embed w = (ev_embed )(((char *)io) - offsetof (ev_embed, io));
2192		2439
2193	if (ev_cb (w))	2440	if (ev_cb (w))
2194	ev_feed_event (EV_A_ (W)w, EV_EMBED);	2441	ev_feed_event (EV_A_ (W)w, EV_EMBED);
2195	else	2442	else
2196	ev_embed_sweep (loop, w);	2443	ev_loop (w->other, EVLOOP_NONBLOCK);
2197	}	2444	}
		2445
		2446	static void
		2447	embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents)
		2448	{
		2449	ev_embed w = (ev_embed )(((char *)prepare) - offsetof (ev_embed, prepare));
		2450
		2451	{
		2452	struct ev_loop *loop = w->other;
		2453
		2454	while (fdchangecnt)
		2455	{
		2456	fd_reify (EV_A);
		2457	ev_loop (EV_A_ EVLOOP_NONBLOCK);
		2458	}
		2459	}
		2460	}
		2461
		2462	#if 0
		2463	static void
		2464	embed_idle_cb (EV_P_ ev_idle *idle, int revents)
		2465	{
		2466	ev_idle_stop (EV_A_ idle);
		2467	}
		2468	#endif
2198		2469
2199	void	2470	void
2200	ev_embed_start (EV_P_ ev_embed *w)	2471	ev_embed_start (EV_P_ ev_embed *w)
2201	{	2472	{
2202	if (expect_false (ev_is_active (w)))	2473	if (expect_false (ev_is_active (w)))
2203	return;	2474	return;
2204		2475
2205	{	2476	{
2206	struct ev_loop *loop = w->loop;	2477	struct ev_loop *loop = w->other;
2207	assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ()));	2478	assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ()));
2208	ev_io_init (&w->io, embed_cb, backend_fd, EV_READ);	2479	ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ);
2209	}	2480	}
2210		2481
2211	ev_set_priority (&w->io, ev_priority (w));	2482	ev_set_priority (&w->io, ev_priority (w));
2212	ev_io_start (EV_A_ &w->io);	2483	ev_io_start (EV_A_ &w->io);
2213		2484
		2485	ev_prepare_init (&w->prepare, embed_prepare_cb);
		2486	ev_set_priority (&w->prepare, EV_MINPRI);
		2487	ev_prepare_start (EV_A_ &w->prepare);
		2488
		2489	/ev_idle_init (&w->idle, e,bed_idle_cb);/
		2490
2214	ev_start (EV_A_ (W)w, 1);	2491	ev_start (EV_A_ (W)w, 1);
2215	}	2492	}
2216		2493
2217	void	2494	void
2218	ev_embed_stop (EV_P_ ev_embed *w)	2495	ev_embed_stop (EV_P_ ev_embed *w)
…		…
2220	clear_pending (EV_A_ (W)w);	2497	clear_pending (EV_A_ (W)w);
2221	if (expect_false (!ev_is_active (w)))	2498	if (expect_false (!ev_is_active (w)))
2222	return;	2499	return;
2223		2500
2224	ev_io_stop (EV_A_ &w->io);	2501	ev_io_stop (EV_A_ &w->io);
		2502	ev_prepare_stop (EV_A_ &w->prepare);
2225		2503
2226	ev_stop (EV_A_ (W)w);	2504	ev_stop (EV_A_ (W)w);
2227	}	2505	}
2228	#endif	2506	#endif
2229		2507
…		…
2254		2532
2255	ev_stop (EV_A_ (W)w);	2533	ev_stop (EV_A_ (W)w);
2256	}	2534	}
2257	#endif	2535	#endif
2258		2536
		2537	#if EV_ASYNC_ENABLE
		2538	void
		2539	ev_async_start (EV_P_ ev_async *w)
		2540	{
		2541	if (expect_false (ev_is_active (w)))
		2542	return;
		2543
		2544	evpipe_init (EV_A);
		2545
		2546	ev_start (EV_A_ (W)w, ++asynccnt);
		2547	array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2);
		2548	asyncs [asynccnt - 1] = w;
		2549	}
		2550
		2551	void
		2552	ev_async_stop (EV_P_ ev_async *w)
		2553	{
		2554	clear_pending (EV_A_ (W)w);
		2555	if (expect_false (!ev_is_active (w)))
		2556	return;
		2557
		2558	{
		2559	int active = ((W)w)->active;
		2560	asyncs [active - 1] = asyncs [--asynccnt];
		2561	((W)asyncs [active - 1])->active = active;
		2562	}
		2563
		2564	ev_stop (EV_A_ (W)w);
		2565	}
		2566
		2567	void
		2568	ev_async_send (EV_P_ ev_async *w)
		2569	{
		2570	w->sent = 1;
		2571	evpipe_write (EV_A_ &gotasync);
		2572	}
		2573	#endif
		2574
2259	/*****************************************************************************/	2575	/*****************************************************************************/
2260		2576
2261	struct ev_once	2577	struct ev_once
2262	{	2578	{
2263	ev_io io;	2579	ev_io io;
…		…
2318	ev_timer_set (&once->to, timeout, 0.);	2634	ev_timer_set (&once->to, timeout, 0.);
2319	ev_timer_start (EV_A_ &once->to);	2635	ev_timer_start (EV_A_ &once->to);
2320	}	2636	}
2321	}	2637	}
2322		2638
		2639	#if EV_MULTIPLICITY
		2640	#include "ev_wrap.h"
		2641	#endif
		2642
2323	#ifdef __cplusplus	2643	#ifdef __cplusplus
2324	}	2644	}
2325	#endif	2645	#endif
2326		2646

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Comparing libev/ev.c (file contents): Revision 1.186 by root, Sat Dec 15 23:14:38 2007 UTC vs. Revision 1.226 by root, Fri Apr 18 17:16:44 2008 UTC

Diff Legend

Comparing libev/ev.c (file contents):
Revision 1.186 by root, Sat Dec 15 23:14:38 2007 UTC vs.
Revision 1.226 by root, Fri Apr 18 17:16:44 2008 UTC