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

Comparing libev/ev.c (file contents):
Revision 1.166 by root, Sat Dec 8 03:53:36 2007 UTC vs.
Revision 1.208 by root, Fri Feb 1 13:22:48 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
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	244	#endif
210		245
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
218
219	/**/	246	/**/
		247
		248	/*
		249	* This is used to avoid floating point rounding problems.
		250	* It is added to ev_rt_now when scheduling periodics
		251	* to ensure progress, time-wise, even when rounding
		252	* errors are against us.
		253	* This value is good at least till the year 4000.
		254	* Better solutions welcome.
		255	*/
		256	#define TIME_EPSILON 0.0001220703125 /* 1/8192 */
220		257
221	#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) */
222	#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) */
223	/#define CLEANUP_INTERVAL (MAX_BLOCKTIME 5.) /* how often to try to free memory and re-check fds */	260	/#define CLEANUP_INTERVAL (MAX_BLOCKTIME 5.) /* how often to try to free memory and re-check fds, TODO */
224		261
225	#if __GNUC__ >= 3	262	#if __GNUC__ >= 4
226	# define expect(expr,value) __builtin_expect ((expr),(value))	263	# define expect(expr,value) __builtin_expect ((expr),(value))
227	# define inline_size static inline /* inline for codesize */
228	# if EV_MINIMAL
229	# define noinline __attribute__ ((noinline))	264	# define noinline __attribute__ ((noinline))
230	# define inline_speed static noinline
231	# else
232	# define noinline
233	# define inline_speed static inline
234	# endif
235	#else	265	#else
236	# define expect(expr,value) (expr)	266	# define expect(expr,value) (expr)
237	# define inline_speed static
238	# define inline_size static
239	# define noinline	267	# define noinline
		268	# if __STDC_VERSION__ < 199901L
		269	# define inline
		270	# endif
240	#endif	271	#endif
241		272
242	#define expect_false(expr) expect ((expr) != 0, 0)	273	#define expect_false(expr) expect ((expr) != 0, 0)
243	#define expect_true(expr) expect ((expr) != 0, 1)	274	#define expect_true(expr) expect ((expr) != 0, 1)
		275	#define inline_size static inline
		276
		277	#if EV_MINIMAL
		278	# define inline_speed static noinline
		279	#else
		280	# define inline_speed static inline
		281	#endif
244		282
245	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)	283	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
246	#define ABSPRI(w) (((W)w)->priority - EV_MINPRI)	284	#define ABSPRI(w) (((W)w)->priority - EV_MINPRI)
247		285
248	#define EMPTY /* required for microsofts broken pseudo-c compiler */	286	#define EMPTY /* required for microsofts broken pseudo-c compiler */
…		…
250		288
251	typedef ev_watcher *W;	289	typedef ev_watcher *W;
252	typedef ev_watcher_list *WL;	290	typedef ev_watcher_list *WL;
253	typedef ev_watcher_time *WT;	291	typedef ev_watcher_time *WT;
254		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 */
255	static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */	296	static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */
		297	#endif
256		298
257	#ifdef _WIN32	299	#ifdef _WIN32
258	# include "ev_win32.c"	300	# include "ev_win32.c"
259	#endif	301	#endif
260		302
…		…
396	{	438	{
397	return ev_rt_now;	439	return ev_rt_now;
398	}	440	}
399	#endif	441	#endif
400		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
401	int inline_size	470	int inline_size
402	array_nextsize (int elem, int cur, int cnt)	471	array_nextsize (int elem, int cur, int cnt)
403	{	472	{
404	int ncur = cur + 1;	473	int ncur = cur + 1;
405		474
…		…
417	}	486	}
418		487
419	return ncur;	488	return ncur;
420	}	489	}
421		490
422	inline_speed void *	491	static noinline void *
423	array_realloc (int elem, void base, int cur, int cnt)	492	array_realloc (int elem, void base, int cur, int cnt)
424	{	493	{
425	cur = array_nextsize (elem, cur, cnt);	494	cur = array_nextsize (elem, cur, cnt);
426	return ev_realloc (base, elem * *cur);	495	return ev_realloc (base, elem * *cur);
427	}	496	}
…		…
452		521
453	void noinline	522	void noinline
454	ev_feed_event (EV_P_ void *w, int revents)	523	ev_feed_event (EV_P_ void *w, int revents)
455	{	524	{
456	W w_ = (W)w;	525	W w_ = (W)w;
		526	int pri = ABSPRI (w_);
457		527
458	if (expect_false (w_->pending))	528	if (expect_false (w_->pending))
		529	pendings [pri][w_->pending - 1].events \|= revents;
		530	else
459	{	531	{
		532	w_->pending = ++pendingcnt [pri];
		533	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);
		534	pendings [pri][w_->pending - 1].w = w_;
460	pendings [ABSPRI (w_)][w_->pending - 1].events \|= revents;	535	pendings [pri][w_->pending - 1].events = revents;
461	return;
462	}	536	}
463
464	w_->pending = ++pendingcnt [ABSPRI (w_)];
465	array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], EMPTY2);
466	pendings [ABSPRI (w_)][w_->pending - 1].w = w_;
467	pendings [ABSPRI (w_)][w_->pending - 1].events = revents;
468	}	537	}
469		538
470	void inline_size	539	void inline_speed
471	queue_events (EV_P_ W *events, int eventcnt, int type)	540	queue_events (EV_P_ W *events, int eventcnt, int type)
472	{	541	{
473	int i;	542	int i;
474		543
475	for (i = 0; i < eventcnt; ++i)	544	for (i = 0; i < eventcnt; ++i)
…		…
507	}	576	}
508		577
509	void	578	void
510	ev_feed_fd_event (EV_P_ int fd, int revents)	579	ev_feed_fd_event (EV_P_ int fd, int revents)
511	{	580	{
		581	if (fd >= 0 && fd < anfdmax)
512	fd_event (EV_A_ fd, revents);	582	fd_event (EV_A_ fd, revents);
513	}	583	}
514		584
515	void inline_size	585	void inline_size
516	fd_reify (EV_P)	586	fd_reify (EV_P)
517	{	587	{
…		…
521	{	591	{
522	int fd = fdchanges [i];	592	int fd = fdchanges [i];
523	ANFD *anfd = anfds + fd;	593	ANFD *anfd = anfds + fd;
524	ev_io *w;	594	ev_io *w;
525		595
526	int events = 0;	596	unsigned char events = 0;
527		597
528	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)
529	events \|= w->events;	599	events \|= (unsigned char)w->events;
530		600
531	#if EV_SELECT_IS_WINSOCKET	601	#if EV_SELECT_IS_WINSOCKET
532	if (events)	602	if (events)
533	{	603	{
534	unsigned long argp;	604	unsigned long argp;
		605	#ifdef EV_FD_TO_WIN32_HANDLE
		606	anfd->handle = EV_FD_TO_WIN32_HANDLE (fd);
		607	#else
535	anfd->handle = _get_osfhandle (fd);	608	anfd->handle = _get_osfhandle (fd);
		609	#endif
536	assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0));	610	assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0));
537	}	611	}
538	#endif	612	#endif
539		613
		614	{
		615	unsigned char o_events = anfd->events;
		616	unsigned char o_reify = anfd->reify;
		617
540	anfd->reify = 0;	618	anfd->reify = 0;
541
542	backend_modify (EV_A_ fd, anfd->events, events);
543	anfd->events = events;	619	anfd->events = events;
		620
		621	if (o_events != events \|\| o_reify & EV_IOFDSET)
		622	backend_modify (EV_A_ fd, o_events, events);
		623	}
544	}	624	}
545		625
546	fdchangecnt = 0;	626	fdchangecnt = 0;
547	}	627	}
548		628
549	void inline_size	629	void inline_size
550	fd_change (EV_P_ int fd)	630	fd_change (EV_P_ int fd, int flags)
551	{	631	{
552	if (expect_false (anfds [fd].reify))	632	unsigned char reify = anfds [fd].reify;
553	return;
554
555	anfds [fd].reify = 1;	633	anfds [fd].reify \|= flags;
556		634
		635	if (expect_true (!reify))
		636	{
557	++fdchangecnt;	637	++fdchangecnt;
558	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2);	638	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2);
559	fdchanges [fdchangecnt - 1] = fd;	639	fdchanges [fdchangecnt - 1] = fd;
		640	}
560	}	641	}
561		642
562	void inline_speed	643	void inline_speed
563	fd_kill (EV_P_ int fd)	644	fd_kill (EV_P_ int fd)
564	{	645	{
…		…
615		696
616	for (fd = 0; fd < anfdmax; ++fd)	697	for (fd = 0; fd < anfdmax; ++fd)
617	if (anfds [fd].events)	698	if (anfds [fd].events)
618	{	699	{
619	anfds [fd].events = 0;	700	anfds [fd].events = 0;
620	fd_change (EV_A_ fd);	701	fd_change (EV_A_ fd, EV_IOFDSET \| 1);
621	}	702	}
622	}	703	}
623		704
624	/*****************************************************************************/	705	/*****************************************************************************/
625		706
626	void inline_speed	707	void inline_speed
627	upheap (WT *heap, int k)	708	upheap (WT *heap, int k)
628	{	709	{
629	WT w = heap [k];	710	WT w = heap [k];
630		711
631	while (k && heap [k >> 1]->at > w->at)	712	while (k)
632	{	713	{
		714	int p = (k - 1) >> 1;
		715
		716	if (heap [p]->at <= w->at)
		717	break;
		718
633	heap [k] = heap [k >> 1];	719	heap [k] = heap [p];
634	((W)heap [k])->active = k + 1;	720	((W)heap [k])->active = k + 1;
635	k >>= 1;	721	k = p;
636	}	722	}
637		723
638	heap [k] = w;	724	heap [k] = w;
639	((W)heap [k])->active = k + 1;	725	((W)heap [k])->active = k + 1;
640
641	}	726	}
642		727
643	void inline_speed	728	void inline_speed
644	downheap (WT *heap, int N, int k)	729	downheap (WT *heap, int N, int k)
645	{	730	{
646	WT w = heap [k];	731	WT w = heap [k];
647		732
648	while (k < (N >> 1))	733	for (;;)
649	{	734	{
650	int j = k << 1;	735	int c = (k << 1) + 1;
651		736
652	if (j + 1 < N && heap [j]->at > heap [j + 1]->at)	737	if (c >= N)
653	++j;
654
655	if (w->at <= heap [j]->at)
656	break;	738	break;
657		739
		740	c += c + 1 < N && heap [c]->at > heap [c + 1]->at
		741	? 1 : 0;
		742
		743	if (w->at <= heap [c]->at)
		744	break;
		745
658	heap [k] = heap [j];	746	heap [k] = heap [c];
659	((W)heap [k])->active = k + 1;	747	((W)heap [k])->active = k + 1;
		748
660	k = j;	749	k = c;
661	}	750	}
662		751
663	heap [k] = w;	752	heap [k] = w;
664	((W)heap [k])->active = k + 1;	753	((W)heap [k])->active = k + 1;
665	}	754	}
…		…
674	/*****************************************************************************/	763	/*****************************************************************************/
675		764
676	typedef struct	765	typedef struct
677	{	766	{
678	WL head;	767	WL head;
679	sig_atomic_t volatile gotsig;	768	EV_ATOMIC_T gotsig;
680	} ANSIG;	769	} ANSIG;
681		770
682	static ANSIG *signals;	771	static ANSIG *signals;
683	static int signalmax;	772	static int signalmax;
684		773
685	static int sigpipe [2];	774	static EV_ATOMIC_T gotsig;
686	static sig_atomic_t volatile gotsig;
687	static ev_io sigev;
688		775
689	void inline_size	776	void inline_size
690	signals_init (ANSIG *base, int count)	777	signals_init (ANSIG *base, int count)
691	{	778	{
692	while (count--)	779	while (count--)
…		…
696		783
697	++base;	784	++base;
698	}	785	}
699	}	786	}
700		787
701	static void	788	/*****************************************************************************/
702	sighandler (int signum)
703	{
704	#if _WIN32
705	signal (signum, sighandler);
706	#endif
707		789
708	signals [signum - 1].gotsig = 1;
709
710	if (!gotsig)
711	{
712	int old_errno = errno;
713	gotsig = 1;
714	write (sigpipe [1], &signum, 1);
715	errno = old_errno;
716	}
717	}
718
719	void noinline
720	ev_feed_signal_event (EV_P_ int signum)
721	{
722	WL w;
723
724	#if EV_MULTIPLICITY
725	assert (("feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr));
726	#endif
727
728	--signum;
729
730	if (signum < 0 \|\| signum >= signalmax)
731	return;
732
733	signals [signum].gotsig = 0;
734
735	for (w = signals [signum].head; w; w = w->next)
736	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);
737	}
738
739	static void
740	sigcb (EV_P_ ev_io *iow, int revents)
741	{
742	int signum;
743
744	read (sigpipe [0], &revents, 1);
745	gotsig = 0;
746
747	for (signum = signalmax; signum--; )
748	if (signals [signum].gotsig)
749	ev_feed_signal_event (EV_A_ signum + 1);
750	}
751
752	void inline_size	790	void inline_speed
753	fd_intern (int fd)	791	fd_intern (int fd)
754	{	792	{
755	#ifdef _WIN32	793	#ifdef _WIN32
756	int arg = 1;	794	int arg = 1;
757	ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg);	795	ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg);
…		…
760	fcntl (fd, F_SETFL, O_NONBLOCK);	798	fcntl (fd, F_SETFL, O_NONBLOCK);
761	#endif	799	#endif
762	}	800	}
763		801
764	static void noinline	802	static void noinline
765	siginit (EV_P)	803	evpipe_init (EV_P)
766	{	804	{
		805	if (!ev_is_active (&pipeev))
		806	{
		807	while (pipe (evpipe))
		808	syserr ("(libev) error creating signal/async pipe");
		809
767	fd_intern (sigpipe [0]);	810	fd_intern (evpipe [0]);
768	fd_intern (sigpipe [1]);	811	fd_intern (evpipe [1]);
769		812
770	ev_io_set (&sigev, sigpipe [0], EV_READ);	813	ev_io_set (&pipeev, evpipe [0], EV_READ);
771	ev_io_start (EV_A_ &sigev);	814	ev_io_start (EV_A_ &pipeev);
772	ev_unref (EV_A); /* child watcher should not keep loop alive */	815	ev_unref (EV_A); /* child watcher should not keep loop alive */
		816	}
		817	}
		818
		819	void inline_size
		820	evpipe_write (EV_P_ int sig, int async)
		821	{
		822	if (!(gotasync \|\| gotsig))
		823	{
		824	int old_errno = errno;
		825
		826	if (sig) gotsig = 1;
		827	if (async) gotasync = 1;
		828
		829	write (evpipe [1], &old_errno, 1);
		830	errno = old_errno;
		831	}
		832	}
		833
		834	static void
		835	pipecb (EV_P_ ev_io *iow, int revents)
		836	{
		837	{
		838	int dummy;
		839	read (evpipe [0], &dummy, 1);
		840	}
		841
		842	if (gotsig)
		843	{
		844	int signum;
		845	gotsig = 0;
		846
		847	for (signum = signalmax; signum--; )
		848	if (signals [signum].gotsig)
		849	ev_feed_signal_event (EV_A_ signum + 1);
		850	}
		851
		852	if (gotasync)
		853	{
		854	int i;
		855	gotasync = 0;
		856
		857	for (i = asynccnt; i--; )
		858	if (asyncs [i]->sent)
		859	{
		860	asyncs [i]->sent = 0;
		861	ev_feed_event (EV_A_ asyncs [i], EV_ASYNC);
		862	}
		863	}
773	}	864	}
774		865
775	/*****************************************************************************/	866	/*****************************************************************************/
776		867
		868	static void
		869	sighandler (int signum)
		870	{
		871	#if EV_MULTIPLICITY
		872	struct ev_loop *loop = &default_loop_struct;
		873	#endif
		874
		875	#if _WIN32
		876	signal (signum, sighandler);
		877	#endif
		878
		879	signals [signum - 1].gotsig = 1;
		880	evpipe_write (EV_A_ 1, 0);
		881	}
		882
		883	void noinline
		884	ev_feed_signal_event (EV_P_ int signum)
		885	{
		886	WL w;
		887
		888	#if EV_MULTIPLICITY
		889	assert (("feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr));
		890	#endif
		891
		892	--signum;
		893
		894	if (signum < 0 \|\| signum >= signalmax)
		895	return;
		896
		897	signals [signum].gotsig = 0;
		898
		899	for (w = signals [signum].head; w; w = w->next)
		900	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);
		901	}
		902
		903	/*****************************************************************************/
		904
777	static ev_child *childs [EV_PID_HASHSIZE];	905	static WL childs [EV_PID_HASHSIZE];
778		906
779	#ifndef _WIN32	907	#ifndef _WIN32
780		908
781	static ev_signal childev;	909	static ev_signal childev;
		910
		911	#ifndef WIFCONTINUED
		912	# define WIFCONTINUED(status) 0
		913	#endif
782		914
783	void inline_speed	915	void inline_speed
784	child_reap (EV_P_ ev_signal *sw, int chain, int pid, int status)	916	child_reap (EV_P_ ev_signal *sw, int chain, int pid, int status)
785	{	917	{
786	ev_child *w;	918	ev_child *w;
		919	int traced = WIFSTOPPED (status) \|\| WIFCONTINUED (status);
787		920
788	for (w = (ev_child )childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child )((WL)w)->next)	921	for (w = (ev_child )childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child )((WL)w)->next)
		922	{
789	if (w->pid == pid \|\| !w->pid)	923	if ((w->pid == pid \|\| !w->pid)
		924	&& (!traced \|\| (w->flags & 1)))
790	{	925	{
791	ev_set_priority (w, ev_priority (sw)); /* need to do it now */	926	ev_set_priority (w, ev_priority (sw)); /* need to do it now */
792	w->rpid = pid;	927	w->rpid = pid;
793	w->rstatus = status;	928	w->rstatus = status;
794	ev_feed_event (EV_A_ (W)w, EV_CHILD);	929	ev_feed_event (EV_A_ (W)w, EV_CHILD);
795	}	930	}
		931	}
796	}	932	}
797		933
798	#ifndef WCONTINUED	934	#ifndef WCONTINUED
799	# define WCONTINUED 0	935	# define WCONTINUED 0
800	#endif	936	#endif
…		…
897	}	1033	}
898		1034
899	unsigned int	1035	unsigned int
900	ev_embeddable_backends (void)	1036	ev_embeddable_backends (void)
901	{	1037	{
902	return EVBACKEND_EPOLL	1038	int flags = EVBACKEND_EPOLL \| EVBACKEND_KQUEUE \| EVBACKEND_PORT;
903	\| EVBACKEND_KQUEUE	1039
904	\| EVBACKEND_PORT;	1040	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */
		1041	/* please fix it and tell me how to detect the fix */
		1042	flags &= ~EVBACKEND_EPOLL;
		1043
		1044	return flags;
905	}	1045	}
906		1046
907	unsigned int	1047	unsigned int
908	ev_backend (EV_P)	1048	ev_backend (EV_P)
909	{	1049	{
…		…
912		1052
913	unsigned int	1053	unsigned int
914	ev_loop_count (EV_P)	1054	ev_loop_count (EV_P)
915	{	1055	{
916	return loop_count;	1056	return loop_count;
		1057	}
		1058
		1059	void
		1060	ev_set_io_collect_interval (EV_P_ ev_tstamp interval)
		1061	{
		1062	io_blocktime = interval;
		1063	}
		1064
		1065	void
		1066	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval)
		1067	{
		1068	timeout_blocktime = interval;
917	}	1069	}
918		1070
919	static void noinline	1071	static void noinline
920	loop_init (EV_P_ unsigned int flags)	1072	loop_init (EV_P_ unsigned int flags)
921	{	1073	{
…		…
932	ev_rt_now = ev_time ();	1084	ev_rt_now = ev_time ();
933	mn_now = get_clock ();	1085	mn_now = get_clock ();
934	now_floor = mn_now;	1086	now_floor = mn_now;
935	rtmn_diff = ev_rt_now - mn_now;	1087	rtmn_diff = ev_rt_now - mn_now;
936		1088
		1089	io_blocktime = 0.;
		1090	timeout_blocktime = 0.;
		1091
937	/* pid check not overridable via env */	1092	/* pid check not overridable via env */
938	#ifndef _WIN32	1093	#ifndef _WIN32
939	if (flags & EVFLAG_FORKCHECK)	1094	if (flags & EVFLAG_FORKCHECK)
940	curpid = getpid ();	1095	curpid = getpid ();
941	#endif	1096	#endif
…		…
968	#endif	1123	#endif
969	#if EV_USE_SELECT	1124	#if EV_USE_SELECT
970	if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags);	1125	if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags);
971	#endif	1126	#endif
972		1127
973	ev_init (&sigev, sigcb);	1128	ev_init (&pipeev, pipecb);
974	ev_set_priority (&sigev, EV_MAXPRI);	1129	ev_set_priority (&pipeev, EV_MAXPRI);
975	}	1130	}
976	}	1131	}
977		1132
978	static void noinline	1133	static void noinline
979	loop_destroy (EV_P)	1134	loop_destroy (EV_P)
980	{	1135	{
981	int i;	1136	int i;
		1137
		1138	if (ev_is_active (&pipeev))
		1139	{
		1140	ev_ref (EV_A); /* signal watcher */
		1141	ev_io_stop (EV_A_ &pipeev);
		1142
		1143	close (evpipe [0]); evpipe [0] = 0;
		1144	close (evpipe [1]); evpipe [1] = 0;
		1145	}
982		1146
983	#if EV_USE_INOTIFY	1147	#if EV_USE_INOTIFY
984	if (fs_fd >= 0)	1148	if (fs_fd >= 0)
985	close (fs_fd);	1149	close (fs_fd);
986	#endif	1150	#endif
…		…
1009	array_free (pending, [i]);	1173	array_free (pending, [i]);
1010	#if EV_IDLE_ENABLE	1174	#if EV_IDLE_ENABLE
1011	array_free (idle, [i]);	1175	array_free (idle, [i]);
1012	#endif	1176	#endif
1013	}	1177	}
		1178
		1179	ev_free (anfds); anfdmax = 0;
1014		1180
1015	/* have to use the microsoft-never-gets-it-right macro */	1181	/* have to use the microsoft-never-gets-it-right macro */
1016	array_free (fdchange, EMPTY);	1182	array_free (fdchange, EMPTY);
1017	array_free (timer, EMPTY);	1183	array_free (timer, EMPTY);
1018	#if EV_PERIODIC_ENABLE	1184	#if EV_PERIODIC_ENABLE
1019	array_free (periodic, EMPTY);	1185	array_free (periodic, EMPTY);
1020	#endif	1186	#endif
		1187	#if EV_FORK_ENABLE
		1188	array_free (fork, EMPTY);
		1189	#endif
1021	array_free (prepare, EMPTY);	1190	array_free (prepare, EMPTY);
1022	array_free (check, EMPTY);	1191	array_free (check, EMPTY);
1023		1192
1024	backend = 0;	1193	backend = 0;
1025	}	1194	}
…		…
1040	#endif	1209	#endif
1041	#if EV_USE_INOTIFY	1210	#if EV_USE_INOTIFY
1042	infy_fork (EV_A);	1211	infy_fork (EV_A);
1043	#endif	1212	#endif
1044		1213
1045	if (ev_is_active (&sigev))	1214	if (ev_is_active (&pipeev))
1046	{	1215	{
1047	/* default loop */	1216	/* this "locks" the handlers against writing to the pipe */
		1217	gotsig = gotasync = 1;
1048		1218
1049	ev_ref (EV_A);	1219	ev_ref (EV_A);
1050	ev_io_stop (EV_A_ &sigev);	1220	ev_io_stop (EV_A_ &pipeev);
1051	close (sigpipe [0]);	1221	close (evpipe [0]);
1052	close (sigpipe [1]);	1222	close (evpipe [1]);
1053		1223
1054	while (pipe (sigpipe))
1055	syserr ("(libev) error creating pipe");
1056
1057	siginit (EV_A);	1224	evpipe_init (EV_A);
		1225	/* now iterate over everything, in case we missed something */
		1226	pipecb (EV_A_ &pipeev, EV_READ);
1058	}	1227	}
1059		1228
1060	postfork = 0;	1229	postfork = 0;
1061	}	1230	}
1062		1231
…		…
1084	}	1253	}
1085		1254
1086	void	1255	void
1087	ev_loop_fork (EV_P)	1256	ev_loop_fork (EV_P)
1088	{	1257	{
1089	postfork = 1;	1258	postfork = 1; /* must be in line with ev_default_fork */
1090	}	1259	}
1091		1260
1092	#endif	1261	#endif
1093		1262
1094	#if EV_MULTIPLICITY	1263	#if EV_MULTIPLICITY
…		…
1097	#else	1266	#else
1098	int	1267	int
1099	ev_default_loop (unsigned int flags)	1268	ev_default_loop (unsigned int flags)
1100	#endif	1269	#endif
1101	{	1270	{
1102	if (sigpipe [0] == sigpipe [1])
1103	if (pipe (sigpipe))
1104	return 0;
1105
1106	if (!ev_default_loop_ptr)	1271	if (!ev_default_loop_ptr)
1107	{	1272	{
1108	#if EV_MULTIPLICITY	1273	#if EV_MULTIPLICITY
1109	struct ev_loop *loop = ev_default_loop_ptr = &default_loop_struct;	1274	struct ev_loop *loop = ev_default_loop_ptr = &default_loop_struct;
1110	#else	1275	#else
…		…
1113		1278
1114	loop_init (EV_A_ flags);	1279	loop_init (EV_A_ flags);
1115		1280
1116	if (ev_backend (EV_A))	1281	if (ev_backend (EV_A))
1117	{	1282	{
1118	siginit (EV_A);
1119
1120	#ifndef _WIN32	1283	#ifndef _WIN32
1121	ev_signal_init (&childev, childcb, SIGCHLD);	1284	ev_signal_init (&childev, childcb, SIGCHLD);
1122	ev_set_priority (&childev, EV_MAXPRI);	1285	ev_set_priority (&childev, EV_MAXPRI);
1123	ev_signal_start (EV_A_ &childev);	1286	ev_signal_start (EV_A_ &childev);
1124	ev_unref (EV_A); /* child watcher should not keep loop alive */	1287	ev_unref (EV_A); /* child watcher should not keep loop alive */
…		…
1141	#ifndef _WIN32	1304	#ifndef _WIN32
1142	ev_ref (EV_A); /* child watcher */	1305	ev_ref (EV_A); /* child watcher */
1143	ev_signal_stop (EV_A_ &childev);	1306	ev_signal_stop (EV_A_ &childev);
1144	#endif	1307	#endif
1145		1308
1146	ev_ref (EV_A); /* signal watcher */
1147	ev_io_stop (EV_A_ &sigev);
1148
1149	close (sigpipe [0]); sigpipe [0] = 0;
1150	close (sigpipe [1]); sigpipe [1] = 0;
1151
1152	loop_destroy (EV_A);	1309	loop_destroy (EV_A);
1153	}	1310	}
1154		1311
1155	void	1312	void
1156	ev_default_fork (void)	1313	ev_default_fork (void)
…		…
1158	#if EV_MULTIPLICITY	1315	#if EV_MULTIPLICITY
1159	struct ev_loop *loop = ev_default_loop_ptr;	1316	struct ev_loop *loop = ev_default_loop_ptr;
1160	#endif	1317	#endif
1161		1318
1162	if (backend)	1319	if (backend)
1163	postfork = 1;	1320	postfork = 1; /* must be in line with ev_loop_fork */
1164	}	1321	}
1165		1322
1166	/*****************************************************************************/	1323	/*****************************************************************************/
		1324
		1325	void
		1326	ev_invoke (EV_P_ void *w, int revents)
		1327	{
		1328	EV_CB_INVOKE ((W)w, revents);
		1329	}
1167		1330
1168	void inline_speed	1331	void inline_speed
1169	call_pending (EV_P)	1332	call_pending (EV_P)
1170	{	1333	{
1171	int pri;	1334	int pri;
…		…
1188	void inline_size	1351	void inline_size
1189	timers_reify (EV_P)	1352	timers_reify (EV_P)
1190	{	1353	{
1191	while (timercnt && ((WT)timers [0])->at <= mn_now)	1354	while (timercnt && ((WT)timers [0])->at <= mn_now)
1192	{	1355	{
1193	ev_timer *w = timers [0];	1356	ev_timer w = (ev_timer )timers [0];
1194		1357
1195	/assert (("inactive timer on timer heap detected", ev_is_active (w)));/	1358	/assert (("inactive timer on timer heap detected", ev_is_active (w)));/
1196		1359
1197	/* first reschedule or stop timer */	1360	/* first reschedule or stop timer */
1198	if (w->repeat)	1361	if (w->repeat)
…		…
1201		1364
1202	((WT)w)->at += w->repeat;	1365	((WT)w)->at += w->repeat;
1203	if (((WT)w)->at < mn_now)	1366	if (((WT)w)->at < mn_now)
1204	((WT)w)->at = mn_now;	1367	((WT)w)->at = mn_now;
1205		1368
1206	downheap ((WT *)timers, timercnt, 0);	1369	downheap (timers, timercnt, 0);
1207	}	1370	}
1208	else	1371	else
1209	ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */	1372	ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */
1210		1373
1211	ev_feed_event (EV_A_ (W)w, EV_TIMEOUT);	1374	ev_feed_event (EV_A_ (W)w, EV_TIMEOUT);
…		…
1216	void inline_size	1379	void inline_size
1217	periodics_reify (EV_P)	1380	periodics_reify (EV_P)
1218	{	1381	{
1219	while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now)	1382	while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now)
1220	{	1383	{
1221	ev_periodic *w = periodics [0];	1384	ev_periodic w = (ev_periodic )periodics [0];
1222		1385
1223	/assert (("inactive timer on periodic heap detected", ev_is_active (w)));/	1386	/assert (("inactive timer on periodic heap detected", ev_is_active (w)));/
1224		1387
1225	/* first reschedule or stop timer */	1388	/* first reschedule or stop timer */
1226	if (w->reschedule_cb)	1389	if (w->reschedule_cb)
1227	{	1390	{
1228	((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001);	1391	((WT)w)->at = w->reschedule_cb (w, ev_rt_now + TIME_EPSILON);
1229	assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now));	1392	assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now));
1230	downheap ((WT *)periodics, periodiccnt, 0);	1393	downheap (periodics, periodiccnt, 0);
1231	}	1394	}
1232	else if (w->interval)	1395	else if (w->interval)
1233	{	1396	{
1234	((WT)w)->at += floor ((ev_rt_now - ((WT)w)->at) / w->interval + 1.) * w->interval;	1397	((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
		1398	if (((WT)w)->at - ev_rt_now <= TIME_EPSILON) ((WT)w)->at += w->interval;
1235	assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now));	1399	assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now));
1236	downheap ((WT *)periodics, periodiccnt, 0);	1400	downheap (periodics, periodiccnt, 0);
1237	}	1401	}
1238	else	1402	else
1239	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */	1403	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */
1240		1404
1241	ev_feed_event (EV_A_ (W)w, EV_PERIODIC);	1405	ev_feed_event (EV_A_ (W)w, EV_PERIODIC);
…		…
1248	int i;	1412	int i;
1249		1413
1250	/* adjust periodics after time jump */	1414	/* adjust periodics after time jump */
1251	for (i = 0; i < periodiccnt; ++i)	1415	for (i = 0; i < periodiccnt; ++i)
1252	{	1416	{
1253	ev_periodic *w = periodics [i];	1417	ev_periodic w = (ev_periodic )periodics [i];
1254		1418
1255	if (w->reschedule_cb)	1419	if (w->reschedule_cb)
1256	((WT)w)->at = w->reschedule_cb (w, ev_rt_now);	1420	((WT)w)->at = w->reschedule_cb (w, ev_rt_now);
1257	else if (w->interval)	1421	else if (w->interval)
1258	((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval;	1422	((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
1259	}	1423	}
1260		1424
1261	/* now rebuild the heap */	1425	/* now rebuild the heap */
1262	for (i = periodiccnt >> 1; i--; )	1426	for (i = periodiccnt >> 1; i--; )
1263	downheap ((WT *)periodics, periodiccnt, i);	1427	downheap (periodics, periodiccnt, i);
1264	}	1428	}
1265	#endif	1429	#endif
1266		1430
1267	#if EV_IDLE_ENABLE	1431	#if EV_IDLE_ENABLE
1268	void inline_size	1432	void inline_size
…		…
1285	}	1449	}
1286	}	1450	}
1287	}	1451	}
1288	#endif	1452	#endif
1289		1453
1290	int inline_size	1454	void inline_speed
1291	time_update_monotonic (EV_P)	1455	time_update (EV_P_ ev_tstamp max_block)
1292	{	1456	{
		1457	int i;
		1458
		1459	#if EV_USE_MONOTONIC
		1460	if (expect_true (have_monotonic))
		1461	{
		1462	ev_tstamp odiff = rtmn_diff;
		1463
1293	mn_now = get_clock ();	1464	mn_now = get_clock ();
1294		1465
		1466	/* only fetch the realtime clock every 0.5MIN_TIMEJUMP seconds /
		1467	/* interpolate in the meantime */
1295	if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5))	1468	if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5))
1296	{	1469	{
1297	ev_rt_now = rtmn_diff + mn_now;	1470	ev_rt_now = rtmn_diff + mn_now;
1298	return 0;	1471	return;
1299	}	1472	}
1300	else	1473
1301	{
1302	now_floor = mn_now;	1474	now_floor = mn_now;
1303	ev_rt_now = ev_time ();	1475	ev_rt_now = ev_time ();
1304	return 1;
1305	}
1306	}
1307		1476
1308	void inline_size	1477	/* loop a few times, before making important decisions.
1309	time_update (EV_P)	1478	* on the choice of "4": one iteration isn't enough,
1310	{	1479	* in case we get preempted during the calls to
1311	int i;	1480	* ev_time and get_clock. a second call is almost guaranteed
1312		1481	* to succeed in that case, though. and looping a few more times
1313	#if EV_USE_MONOTONIC	1482	* doesn't hurt either as we only do this on time-jumps or
1314	if (expect_true (have_monotonic))	1483	* in the unlikely event of having been preempted here.
1315	{	1484	*/
1316	if (time_update_monotonic (EV_A))	1485	for (i = 4; --i; )
1317	{	1486	{
1318	ev_tstamp odiff = rtmn_diff;
1319
1320	/* loop a few times, before making important decisions.
1321	* on the choice of "4": one iteration isn't enough,
1322	* in case we get preempted during the calls to
1323	* ev_time and get_clock. a second call is almost guaranteed
1324	* to succeed in that case, though. and looping a few more times
1325	* doesn't hurt either as we only do this on time-jumps or
1326	* in the unlikely event of having been preempted here.
1327	*/
1328	for (i = 4; --i; )
1329	{
1330	rtmn_diff = ev_rt_now - mn_now;	1487	rtmn_diff = ev_rt_now - mn_now;
1331		1488
1332	if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)	1489	if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)
1333	return; /* all is well */	1490	return; /* all is well */
1334		1491
1335	ev_rt_now = ev_time ();	1492	ev_rt_now = ev_time ();
1336	mn_now = get_clock ();	1493	mn_now = get_clock ();
1337	now_floor = mn_now;	1494	now_floor = mn_now;
1338	}	1495	}
1339		1496
1340	# if EV_PERIODIC_ENABLE	1497	# if EV_PERIODIC_ENABLE
1341	periodics_reschedule (EV_A);	1498	periodics_reschedule (EV_A);
1342	# endif	1499	# endif
1343	/* no timer adjustment, as the monotonic clock doesn't jump */	1500	/* no timer adjustment, as the monotonic clock doesn't jump */
1344	/* timers_reschedule (EV_A_ rtmn_diff - odiff) */	1501	/* timers_reschedule (EV_A_ rtmn_diff - odiff) */
1345	}
1346	}	1502	}
1347	else	1503	else
1348	#endif	1504	#endif
1349	{	1505	{
1350	ev_rt_now = ev_time ();	1506	ev_rt_now = ev_time ();
1351		1507
1352	if (expect_false (mn_now > ev_rt_now \|\| mn_now < ev_rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP))	1508	if (expect_false (mn_now > ev_rt_now \|\| ev_rt_now > mn_now + max_block + MIN_TIMEJUMP))
1353	{	1509	{
1354	#if EV_PERIODIC_ENABLE	1510	#if EV_PERIODIC_ENABLE
1355	periodics_reschedule (EV_A);	1511	periodics_reschedule (EV_A);
1356	#endif	1512	#endif
1357
1358	/* adjust timers. this is easy, as the offset is the same for all of them */	1513	/* adjust timers. this is easy, as the offset is the same for all of them */
1359	for (i = 0; i < timercnt; ++i)	1514	for (i = 0; i < timercnt; ++i)
1360	((WT)timers [i])->at += ev_rt_now - mn_now;	1515	((WT)timers [i])->at += ev_rt_now - mn_now;
1361	}	1516	}
1362		1517
…		…
1406	queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);	1561	queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);
1407	call_pending (EV_A);	1562	call_pending (EV_A);
1408	}	1563	}
1409	#endif	1564	#endif
1410		1565
1411	/* queue check watchers (and execute them) */	1566	/* queue prepare watchers (and execute them) */
1412	if (expect_false (preparecnt))	1567	if (expect_false (preparecnt))
1413	{	1568	{
1414	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);	1569	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
1415	call_pending (EV_A);	1570	call_pending (EV_A);
1416	}	1571	}
…		…
1425	/* update fd-related kernel structures */	1580	/* update fd-related kernel structures */
1426	fd_reify (EV_A);	1581	fd_reify (EV_A);
1427		1582
1428	/* calculate blocking time */	1583	/* calculate blocking time */
1429	{	1584	{
1430	ev_tstamp block;	1585	ev_tstamp waittime = 0.;
		1586	ev_tstamp sleeptime = 0.;
1431		1587
1432	if (expect_false (flags & EVLOOP_NONBLOCK \|\| idleall \|\| !activecnt))	1588	if (expect_true (!(flags & EVLOOP_NONBLOCK \|\| idleall \|\| !activecnt)))
1433	block = 0.; /* do not block at all */
1434	else
1435	{	1589	{
1436	/* update time to cancel out callback processing overhead */	1590	/* update time to cancel out callback processing overhead */
1437	#if EV_USE_MONOTONIC
1438	if (expect_true (have_monotonic))
1439	time_update_monotonic (EV_A);	1591	time_update (EV_A_ 1e100);
1440	else
1441	#endif
1442	{
1443	ev_rt_now = ev_time ();
1444	mn_now = ev_rt_now;
1445	}
1446		1592
1447	block = MAX_BLOCKTIME;	1593	waittime = MAX_BLOCKTIME;
1448		1594
1449	if (timercnt)	1595	if (timercnt)
1450	{	1596	{
1451	ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge;	1597	ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge;
1452	if (block > to) block = to;	1598	if (waittime > to) waittime = to;
1453	}	1599	}
1454		1600
1455	#if EV_PERIODIC_ENABLE	1601	#if EV_PERIODIC_ENABLE
1456	if (periodiccnt)	1602	if (periodiccnt)
1457	{	1603	{
1458	ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + backend_fudge;	1604	ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + backend_fudge;
1459	if (block > to) block = to;	1605	if (waittime > to) waittime = to;
1460	}	1606	}
1461	#endif	1607	#endif
1462		1608
1463	if (expect_false (block < 0.)) block = 0.;	1609	if (expect_false (waittime < timeout_blocktime))
		1610	waittime = timeout_blocktime;
		1611
		1612	sleeptime = waittime - backend_fudge;
		1613
		1614	if (expect_true (sleeptime > io_blocktime))
		1615	sleeptime = io_blocktime;
		1616
		1617	if (sleeptime)
		1618	{
		1619	ev_sleep (sleeptime);
		1620	waittime -= sleeptime;
		1621	}
1464	}	1622	}
1465		1623
1466	++loop_count;	1624	++loop_count;
1467	backend_poll (EV_A_ block);	1625	backend_poll (EV_A_ waittime);
		1626
		1627	/* update ev_rt_now, do magic */
		1628	time_update (EV_A_ waittime + sleeptime);
1468	}	1629	}
1469
1470	/* update ev_rt_now, do magic */
1471	time_update (EV_A);
1472		1630
1473	/* queue pending timers and reschedule them */	1631	/* queue pending timers and reschedule them */
1474	timers_reify (EV_A); /* relative timers called last */	1632	timers_reify (EV_A); /* relative timers called last */
1475	#if EV_PERIODIC_ENABLE	1633	#if EV_PERIODIC_ENABLE
1476	periodics_reify (EV_A); /* absolute timers called first */	1634	periodics_reify (EV_A); /* absolute timers called first */
…		…
1532	pendings [ABSPRI (w)][w->pending - 1].w = 0;	1690	pendings [ABSPRI (w)][w->pending - 1].w = 0;
1533	w->pending = 0;	1691	w->pending = 0;
1534	}	1692	}
1535	}	1693	}
1536		1694
1537	void	1695	int
1538	ev_clear_pending (EV_P_ void *w, int invoke)	1696	ev_clear_pending (EV_P_ void *w)
1539	{	1697	{
1540	W w_ = (W)w;	1698	W w_ = (W)w;
1541	int pending = w_->pending;	1699	int pending = w_->pending;
1542		1700
1543	if (pending)	1701	if (expect_true (pending))
1544	{	1702	{
1545	ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1;	1703	ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1;
1546
1547	w_->pending = 0;	1704	w_->pending = 0;
1548	p->w = 0;	1705	p->w = 0;
1549		1706	return p->events;
1550	if (invoke)
1551	EV_CB_INVOKE (w_, p->events);
1552	}	1707	}
		1708	else
		1709	return 0;
1553	}	1710	}
1554		1711
1555	void inline_size	1712	void inline_size
1556	pri_adjust (EV_P_ W w)	1713	pri_adjust (EV_P_ W w)
1557	{	1714	{
…		…
1576	w->active = 0;	1733	w->active = 0;
1577	}	1734	}
1578		1735
1579	/*****************************************************************************/	1736	/*****************************************************************************/
1580		1737
1581	void	1738	void noinline
1582	ev_io_start (EV_P_ ev_io *w)	1739	ev_io_start (EV_P_ ev_io *w)
1583	{	1740	{
1584	int fd = w->fd;	1741	int fd = w->fd;
1585		1742
1586	if (expect_false (ev_is_active (w)))	1743	if (expect_false (ev_is_active (w)))
…		…
1588		1745
1589	assert (("ev_io_start called with negative fd", fd >= 0));	1746	assert (("ev_io_start called with negative fd", fd >= 0));
1590		1747
1591	ev_start (EV_A_ (W)w, 1);	1748	ev_start (EV_A_ (W)w, 1);
1592	array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init);	1749	array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init);
1593	wlist_add ((WL *)&anfds[fd].head, (WL)w);	1750	wlist_add (&anfds[fd].head, (WL)w);
1594		1751
1595	fd_change (EV_A_ fd);	1752	fd_change (EV_A_ fd, w->events & EV_IOFDSET \| 1);
		1753	w->events &= ~EV_IOFDSET;
1596	}	1754	}
1597		1755
1598	void	1756	void noinline
1599	ev_io_stop (EV_P_ ev_io *w)	1757	ev_io_stop (EV_P_ ev_io *w)
1600	{	1758	{
1601	clear_pending (EV_A_ (W)w);	1759	clear_pending (EV_A_ (W)w);
1602	if (expect_false (!ev_is_active (w)))	1760	if (expect_false (!ev_is_active (w)))
1603	return;	1761	return;
1604		1762
1605	assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));	1763	assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));
1606		1764
1607	wlist_del ((WL *)&anfds[w->fd].head, (WL)w);	1765	wlist_del (&anfds[w->fd].head, (WL)w);
1608	ev_stop (EV_A_ (W)w);	1766	ev_stop (EV_A_ (W)w);
1609		1767
1610	fd_change (EV_A_ w->fd);	1768	fd_change (EV_A_ w->fd, 1);
1611	}	1769	}
1612		1770
1613	void	1771	void noinline
1614	ev_timer_start (EV_P_ ev_timer *w)	1772	ev_timer_start (EV_P_ ev_timer *w)
1615	{	1773	{
1616	if (expect_false (ev_is_active (w)))	1774	if (expect_false (ev_is_active (w)))
1617	return;	1775	return;
1618		1776
1619	((WT)w)->at += mn_now;	1777	((WT)w)->at += mn_now;
1620		1778
1621	assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));	1779	assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));
1622		1780
1623	ev_start (EV_A_ (W)w, ++timercnt);	1781	ev_start (EV_A_ (W)w, ++timercnt);
1624	array_needsize (ev_timer *, timers, timermax, timercnt, EMPTY2);	1782	array_needsize (WT, timers, timermax, timercnt, EMPTY2);
1625	timers [timercnt - 1] = w;	1783	timers [timercnt - 1] = (WT)w;
1626	upheap ((WT *)timers, timercnt - 1);	1784	upheap (timers, timercnt - 1);
1627		1785
1628	/assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));/	1786	/assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));/
1629	}	1787	}
1630		1788
1631	void	1789	void noinline
1632	ev_timer_stop (EV_P_ ev_timer *w)	1790	ev_timer_stop (EV_P_ ev_timer *w)
1633	{	1791	{
1634	clear_pending (EV_A_ (W)w);	1792	clear_pending (EV_A_ (W)w);
1635	if (expect_false (!ev_is_active (w)))	1793	if (expect_false (!ev_is_active (w)))
1636	return;	1794	return;
1637		1795
1638	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));	1796	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == (WT)w));
1639		1797
1640	{	1798	{
1641	int active = ((W)w)->active;	1799	int active = ((W)w)->active;
1642		1800
1643	if (expect_true (--active < --timercnt))	1801	if (expect_true (--active < --timercnt))
1644	{	1802	{
1645	timers [active] = timers [timercnt];	1803	timers [active] = timers [timercnt];
1646	adjustheap ((WT *)timers, timercnt, active);	1804	adjustheap (timers, timercnt, active);
1647	}	1805	}
1648	}	1806	}
1649		1807
1650	((WT)w)->at -= mn_now;	1808	((WT)w)->at -= mn_now;
1651		1809
1652	ev_stop (EV_A_ (W)w);	1810	ev_stop (EV_A_ (W)w);
1653	}	1811	}
1654		1812
1655	void	1813	void noinline
1656	ev_timer_again (EV_P_ ev_timer *w)	1814	ev_timer_again (EV_P_ ev_timer *w)
1657	{	1815	{
1658	if (ev_is_active (w))	1816	if (ev_is_active (w))
1659	{	1817	{
1660	if (w->repeat)	1818	if (w->repeat)
1661	{	1819	{
1662	((WT)w)->at = mn_now + w->repeat;	1820	((WT)w)->at = mn_now + w->repeat;
1663	adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1);	1821	adjustheap (timers, timercnt, ((W)w)->active - 1);
1664	}	1822	}
1665	else	1823	else
1666	ev_timer_stop (EV_A_ w);	1824	ev_timer_stop (EV_A_ w);
1667	}	1825	}
1668	else if (w->repeat)	1826	else if (w->repeat)
…		…
1671	ev_timer_start (EV_A_ w);	1829	ev_timer_start (EV_A_ w);
1672	}	1830	}
1673	}	1831	}
1674		1832
1675	#if EV_PERIODIC_ENABLE	1833	#if EV_PERIODIC_ENABLE
1676	void	1834	void noinline
1677	ev_periodic_start (EV_P_ ev_periodic *w)	1835	ev_periodic_start (EV_P_ ev_periodic *w)
1678	{	1836	{
1679	if (expect_false (ev_is_active (w)))	1837	if (expect_false (ev_is_active (w)))
1680	return;	1838	return;
1681		1839
…		…
1683	((WT)w)->at = w->reschedule_cb (w, ev_rt_now);	1841	((WT)w)->at = w->reschedule_cb (w, ev_rt_now);
1684	else if (w->interval)	1842	else if (w->interval)
1685	{	1843	{
1686	assert (("ev_periodic_start called with negative interval value", w->interval >= 0.));	1844	assert (("ev_periodic_start called with negative interval value", w->interval >= 0.));
1687	/* this formula differs from the one in periodic_reify because we do not always round up */	1845	/* this formula differs from the one in periodic_reify because we do not always round up */
1688	((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval;	1846	((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
1689	}	1847	}
		1848	else
		1849	((WT)w)->at = w->offset;
1690		1850
1691	ev_start (EV_A_ (W)w, ++periodiccnt);	1851	ev_start (EV_A_ (W)w, ++periodiccnt);
1692	array_needsize (ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2);	1852	array_needsize (WT, periodics, periodicmax, periodiccnt, EMPTY2);
1693	periodics [periodiccnt - 1] = w;	1853	periodics [periodiccnt - 1] = (WT)w;
1694	upheap ((WT *)periodics, periodiccnt - 1);	1854	upheap (periodics, periodiccnt - 1);
1695		1855
1696	/assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));/	1856	/assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));/
1697	}	1857	}
1698		1858
1699	void	1859	void noinline
1700	ev_periodic_stop (EV_P_ ev_periodic *w)	1860	ev_periodic_stop (EV_P_ ev_periodic *w)
1701	{	1861	{
1702	clear_pending (EV_A_ (W)w);	1862	clear_pending (EV_A_ (W)w);
1703	if (expect_false (!ev_is_active (w)))	1863	if (expect_false (!ev_is_active (w)))
1704	return;	1864	return;
1705		1865
1706	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));	1866	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == (WT)w));
1707		1867
1708	{	1868	{
1709	int active = ((W)w)->active;	1869	int active = ((W)w)->active;
1710		1870
1711	if (expect_true (--active < --periodiccnt))	1871	if (expect_true (--active < --periodiccnt))
1712	{	1872	{
1713	periodics [active] = periodics [periodiccnt];	1873	periodics [active] = periodics [periodiccnt];
1714	adjustheap ((WT *)periodics, periodiccnt, active);	1874	adjustheap (periodics, periodiccnt, active);
1715	}	1875	}
1716	}	1876	}
1717		1877
1718	ev_stop (EV_A_ (W)w);	1878	ev_stop (EV_A_ (W)w);
1719	}	1879	}
1720		1880
1721	void	1881	void noinline
1722	ev_periodic_again (EV_P_ ev_periodic *w)	1882	ev_periodic_again (EV_P_ ev_periodic *w)
1723	{	1883	{
1724	/* TODO: use adjustheap and recalculation */	1884	/* TODO: use adjustheap and recalculation */
1725	ev_periodic_stop (EV_A_ w);	1885	ev_periodic_stop (EV_A_ w);
1726	ev_periodic_start (EV_A_ w);	1886	ev_periodic_start (EV_A_ w);
…		…
1729		1889
1730	#ifndef SA_RESTART	1890	#ifndef SA_RESTART
1731	# define SA_RESTART 0	1891	# define SA_RESTART 0
1732	#endif	1892	#endif
1733		1893
1734	void	1894	void noinline
1735	ev_signal_start (EV_P_ ev_signal *w)	1895	ev_signal_start (EV_P_ ev_signal *w)
1736	{	1896	{
1737	#if EV_MULTIPLICITY	1897	#if EV_MULTIPLICITY
1738	assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr));	1898	assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr));
1739	#endif	1899	#endif
1740	if (expect_false (ev_is_active (w)))	1900	if (expect_false (ev_is_active (w)))
1741	return;	1901	return;
1742		1902
1743	assert (("ev_signal_start called with illegal signal number", w->signum > 0));	1903	assert (("ev_signal_start called with illegal signal number", w->signum > 0));
1744		1904
		1905	evpipe_init (EV_A);
		1906
		1907	{
		1908	#ifndef _WIN32
		1909	sigset_t full, prev;
		1910	sigfillset (&full);
		1911	sigprocmask (SIG_SETMASK, &full, &prev);
		1912	#endif
		1913
		1914	array_needsize (ANSIG, signals, signalmax, w->signum, signals_init);
		1915
		1916	#ifndef _WIN32
		1917	sigprocmask (SIG_SETMASK, &prev, 0);
		1918	#endif
		1919	}
		1920
1745	ev_start (EV_A_ (W)w, 1);	1921	ev_start (EV_A_ (W)w, 1);
1746	array_needsize (ANSIG, signals, signalmax, w->signum, signals_init);
1747	wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);	1922	wlist_add (&signals [w->signum - 1].head, (WL)w);
1748		1923
1749	if (!((WL)w)->next)	1924	if (!((WL)w)->next)
1750	{	1925	{
1751	#if _WIN32	1926	#if _WIN32
1752	signal (w->signum, sighandler);	1927	signal (w->signum, sighandler);
…		…
1758	sigaction (w->signum, &sa, 0);	1933	sigaction (w->signum, &sa, 0);
1759	#endif	1934	#endif
1760	}	1935	}
1761	}	1936	}
1762		1937
1763	void	1938	void noinline
1764	ev_signal_stop (EV_P_ ev_signal *w)	1939	ev_signal_stop (EV_P_ ev_signal *w)
1765	{	1940	{
1766	clear_pending (EV_A_ (W)w);	1941	clear_pending (EV_A_ (W)w);
1767	if (expect_false (!ev_is_active (w)))	1942	if (expect_false (!ev_is_active (w)))
1768	return;	1943	return;
1769		1944
1770	wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w);	1945	wlist_del (&signals [w->signum - 1].head, (WL)w);
1771	ev_stop (EV_A_ (W)w);	1946	ev_stop (EV_A_ (W)w);
1772		1947
1773	if (!signals [w->signum - 1].head)	1948	if (!signals [w->signum - 1].head)
1774	signal (w->signum, SIG_DFL);	1949	signal (w->signum, SIG_DFL);
1775	}	1950	}
…		…
1782	#endif	1957	#endif
1783	if (expect_false (ev_is_active (w)))	1958	if (expect_false (ev_is_active (w)))
1784	return;	1959	return;
1785		1960
1786	ev_start (EV_A_ (W)w, 1);	1961	ev_start (EV_A_ (W)w, 1);
1787	wlist_add ((WL *)&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);	1962	wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);
1788	}	1963	}
1789		1964
1790	void	1965	void
1791	ev_child_stop (EV_P_ ev_child *w)	1966	ev_child_stop (EV_P_ ev_child *w)
1792	{	1967	{
1793	clear_pending (EV_A_ (W)w);	1968	clear_pending (EV_A_ (W)w);
1794	if (expect_false (!ev_is_active (w)))	1969	if (expect_false (!ev_is_active (w)))
1795	return;	1970	return;
1796		1971
1797	wlist_del ((WL *)&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);	1972	wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);
1798	ev_stop (EV_A_ (W)w);	1973	ev_stop (EV_A_ (W)w);
1799	}	1974	}
1800		1975
1801	#if EV_STAT_ENABLE	1976	#if EV_STAT_ENABLE
1802		1977
…		…
2144		2319
2145	#if EV_EMBED_ENABLE	2320	#if EV_EMBED_ENABLE
2146	void noinline	2321	void noinline
2147	ev_embed_sweep (EV_P_ ev_embed *w)	2322	ev_embed_sweep (EV_P_ ev_embed *w)
2148	{	2323	{
2149	ev_loop (w->loop, EVLOOP_NONBLOCK);	2324	ev_loop (w->other, EVLOOP_NONBLOCK);
2150	}	2325	}
2151		2326
2152	static void	2327	static void
2153	embed_cb (EV_P_ ev_io *io, int revents)	2328	embed_io_cb (EV_P_ ev_io *io, int revents)
2154	{	2329	{
2155	ev_embed w = (ev_embed )(((char *)io) - offsetof (ev_embed, io));	2330	ev_embed w = (ev_embed )(((char *)io) - offsetof (ev_embed, io));
2156		2331
2157	if (ev_cb (w))	2332	if (ev_cb (w))
2158	ev_feed_event (EV_A_ (W)w, EV_EMBED);	2333	ev_feed_event (EV_A_ (W)w, EV_EMBED);
2159	else	2334	else
2160	ev_embed_sweep (loop, w);	2335	ev_loop (w->other, EVLOOP_NONBLOCK);
2161	}	2336	}
		2337
		2338	static void
		2339	embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents)
		2340	{
		2341	ev_embed w = (ev_embed )(((char *)prepare) - offsetof (ev_embed, prepare));
		2342
		2343	{
		2344	struct ev_loop *loop = w->other;
		2345
		2346	while (fdchangecnt)
		2347	{
		2348	fd_reify (EV_A);
		2349	ev_loop (EV_A_ EVLOOP_NONBLOCK);
		2350	}
		2351	}
		2352	}
		2353
		2354	#if 0
		2355	static void
		2356	embed_idle_cb (EV_P_ ev_idle *idle, int revents)
		2357	{
		2358	ev_idle_stop (EV_A_ idle);
		2359	}
		2360	#endif
2162		2361
2163	void	2362	void
2164	ev_embed_start (EV_P_ ev_embed *w)	2363	ev_embed_start (EV_P_ ev_embed *w)
2165	{	2364	{
2166	if (expect_false (ev_is_active (w)))	2365	if (expect_false (ev_is_active (w)))
2167	return;	2366	return;
2168		2367
2169	{	2368	{
2170	struct ev_loop *loop = w->loop;	2369	struct ev_loop *loop = w->other;
2171	assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ()));	2370	assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ()));
2172	ev_io_init (&w->io, embed_cb, backend_fd, EV_READ);	2371	ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ);
2173	}	2372	}
2174		2373
2175	ev_set_priority (&w->io, ev_priority (w));	2374	ev_set_priority (&w->io, ev_priority (w));
2176	ev_io_start (EV_A_ &w->io);	2375	ev_io_start (EV_A_ &w->io);
2177		2376
		2377	ev_prepare_init (&w->prepare, embed_prepare_cb);
		2378	ev_set_priority (&w->prepare, EV_MINPRI);
		2379	ev_prepare_start (EV_A_ &w->prepare);
		2380
		2381	/ev_idle_init (&w->idle, e,bed_idle_cb);/
		2382
2178	ev_start (EV_A_ (W)w, 1);	2383	ev_start (EV_A_ (W)w, 1);
2179	}	2384	}
2180		2385
2181	void	2386	void
2182	ev_embed_stop (EV_P_ ev_embed *w)	2387	ev_embed_stop (EV_P_ ev_embed *w)
…		…
2184	clear_pending (EV_A_ (W)w);	2389	clear_pending (EV_A_ (W)w);
2185	if (expect_false (!ev_is_active (w)))	2390	if (expect_false (!ev_is_active (w)))
2186	return;	2391	return;
2187		2392
2188	ev_io_stop (EV_A_ &w->io);	2393	ev_io_stop (EV_A_ &w->io);
		2394	ev_prepare_stop (EV_A_ &w->prepare);
2189		2395
2190	ev_stop (EV_A_ (W)w);	2396	ev_stop (EV_A_ (W)w);
2191	}	2397	}
2192	#endif	2398	#endif
2193		2399
…		…
2218		2424
2219	ev_stop (EV_A_ (W)w);	2425	ev_stop (EV_A_ (W)w);
2220	}	2426	}
2221	#endif	2427	#endif
2222		2428
		2429	#if EV_ASYNC_ENABLE
		2430	void
		2431	ev_async_start (EV_P_ ev_async *w)
		2432	{
		2433	if (expect_false (ev_is_active (w)))
		2434	return;
		2435
		2436	evpipe_init (EV_A);
		2437
		2438	ev_start (EV_A_ (W)w, ++asynccnt);
		2439	array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2);
		2440	asyncs [asynccnt - 1] = w;
		2441	}
		2442
		2443	void
		2444	ev_async_stop (EV_P_ ev_async *w)
		2445	{
		2446	clear_pending (EV_A_ (W)w);
		2447	if (expect_false (!ev_is_active (w)))
		2448	return;
		2449
		2450	{
		2451	int active = ((W)w)->active;
		2452	asyncs [active - 1] = asyncs [--asynccnt];
		2453	((W)asyncs [active - 1])->active = active;
		2454	}
		2455
		2456	ev_stop (EV_A_ (W)w);
		2457	}
		2458
		2459	void
		2460	ev_async_send (EV_P_ ev_async *w)
		2461	{
		2462	w->sent = 1;
		2463	evpipe_write (EV_A_ 0, 1);
		2464	}
		2465	#endif
		2466
2223	/*****************************************************************************/	2467	/*****************************************************************************/
2224		2468
2225	struct ev_once	2469	struct ev_once
2226	{	2470	{
2227	ev_io io;	2471	ev_io io;
…		…
2282	ev_timer_set (&once->to, timeout, 0.);	2526	ev_timer_set (&once->to, timeout, 0.);
2283	ev_timer_start (EV_A_ &once->to);	2527	ev_timer_start (EV_A_ &once->to);
2284	}	2528	}
2285	}	2529	}
2286		2530
		2531	#if EV_MULTIPLICITY
		2532	#include "ev_wrap.h"
		2533	#endif
		2534
2287	#ifdef __cplusplus	2535	#ifdef __cplusplus
2288	}	2536	}
2289	#endif	2537	#endif
2290		2538

Diff Legend

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

Comparing libev/ev.c (file contents): Revision 1.166 by root, Sat Dec 8 03:53:36 2007 UTC vs. Revision 1.208 by root, Fri Feb 1 13:22:48 2008 UTC

Diff Legend

Comparing libev/ev.c (file contents):
Revision 1.166 by root, Sat Dec 8 03:53:36 2007 UTC vs.
Revision 1.208 by root, Fri Feb 1 13:22:48 2008 UTC