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

Comparing libev/ev.c (file contents):
Revision 1.187 by root, Sun Dec 16 21:54:28 2007 UTC vs.
Revision 1.249 by root, Wed May 21 23:30:52 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	#if 0 /* debugging */
		241	# define EV_VERIFY 1
		242	# define EV_USE_4HEAP 1
		243	# define EV_HEAP_CACHE_AT 1
		244	#endif
		245
		246	#ifndef EV_USE_4HEAP
		247	# define EV_USE_4HEAP !EV_MINIMAL
		248	#endif
		249
		250	#ifndef EV_HEAP_CACHE_AT
		251	# define EV_HEAP_CACHE_AT !EV_MINIMAL
		252	#endif
		253
		254	/* this block fixes any misconfiguration where we know we run into trouble otherwise */
196		255
197	#ifndef CLOCK_MONOTONIC	256	#ifndef CLOCK_MONOTONIC
198	# undef EV_USE_MONOTONIC	257	# undef EV_USE_MONOTONIC
199	# define EV_USE_MONOTONIC 0	258	# define EV_USE_MONOTONIC 0
200	#endif	259	#endif
…		…
207	#if !EV_STAT_ENABLE	266	#if !EV_STAT_ENABLE
208	# undef EV_USE_INOTIFY	267	# undef EV_USE_INOTIFY
209	# define EV_USE_INOTIFY 0	268	# define EV_USE_INOTIFY 0
210	#endif	269	#endif
211		270
		271	#if !EV_USE_NANOSLEEP
		272	# ifndef _WIN32
		273	# include <sys/select.h>
		274	# endif
		275	#endif
		276
212	#if EV_USE_INOTIFY	277	#if EV_USE_INOTIFY
213	# include <sys/inotify.h>	278	# include <sys/inotify.h>
214	#endif	279	#endif
215		280
216	#if EV_SELECT_IS_WINSOCKET	281	#if EV_SELECT_IS_WINSOCKET
217	# include <winsock.h>	282	# include <winsock.h>
218	#endif	283	#endif
219		284
		285	#if EV_USE_EVENTFD
		286	/* our minimum requirement is glibc 2.7 which has the stub, but not the header */
		287	# include <stdint.h>
		288	# ifdef __cplusplus
		289	extern "C" {
		290	# endif
		291	int eventfd (unsigned int initval, int flags);
		292	# ifdef __cplusplus
		293	}
		294	# endif
		295	#endif
		296
220	/**/	297	/**/
		298
		299	/* EV_VERIFY: enable internal consistency checks
		300	* undefined or zero: no verification done or available
		301	* 1 or higher: ev_loop_verify function available
		302	* 2 or higher: ev_loop_verify is called frequently
		303	*/
		304	#if EV_VERIFY >= 1
		305	# define EV_FREQUENT_CHECK ev_loop_verify (EV_A)
		306	#else
		307	# define EV_FREQUENT_CHECK do { } while (0)
		308	#endif
221		309
222	/*	310	/*
223	* This is used to avoid floating point rounding problems.	311	* This is used to avoid floating point rounding problems.
224	* It is added to ev_rt_now when scheduling periodics	312	* It is added to ev_rt_now when scheduling periodics
225	* to ensure progress, time-wise, even when rounding	313	* to ensure progress, time-wise, even when rounding
…		…
237	# define expect(expr,value) __builtin_expect ((expr),(value))	325	# define expect(expr,value) __builtin_expect ((expr),(value))
238	# define noinline __attribute__ ((noinline))	326	# define noinline __attribute__ ((noinline))
239	#else	327	#else
240	# define expect(expr,value) (expr)	328	# define expect(expr,value) (expr)
241	# define noinline	329	# define noinline
242	# if __STDC_VERSION__ < 199901L	330	# if __STDC_VERSION__ < 199901L && __GNUC__ < 2
243	# define inline	331	# define inline
244	# endif	332	# endif
245	#endif	333	#endif
246		334
247	#define expect_false(expr) expect ((expr) != 0, 0)	335	#define expect_false(expr) expect ((expr) != 0, 0)
…		…
262		350
263	typedef ev_watcher *W;	351	typedef ev_watcher *W;
264	typedef ev_watcher_list *WL;	352	typedef ev_watcher_list *WL;
265	typedef ev_watcher_time *WT;	353	typedef ev_watcher_time *WT;
266		354
		355	#define ev_active(w) ((W)(w))->active
		356	#define ev_at(w) ((WT)(w))->at
		357
		358	#if EV_USE_MONOTONIC
		359	/* sig_atomic_t is used to avoid per-thread variables or locking but still */
		360	/* giving it a reasonably high chance of working on typical architetcures */
267	static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */	361	static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */
		362	#endif
268		363
269	#ifdef _WIN32	364	#ifdef _WIN32
270	# include "ev_win32.c"	365	# include "ev_win32.c"
271	#endif	366	#endif
272		367
…		…
293	perror (msg);	388	perror (msg);
294	abort ();	389	abort ();
295	}	390	}
296	}	391	}
297		392
		393	static void *
		394	ev_realloc_emul (void *ptr, long size)
		395	{
		396	/* some systems, notably openbsd and darwin, fail to properly
		397	* implement realloc (x, 0) (as required by both ansi c-98 and
		398	* the single unix specification, so work around them here.
		399	*/
		400
		401	if (size)
		402	return realloc (ptr, size);
		403
		404	free (ptr);
		405	return 0;
		406	}
		407
298	static void (alloc)(void *ptr, long size);	408	static void (alloc)(void *ptr, long size) = ev_realloc_emul;
299		409
300	void	410	void
301	ev_set_allocator (void (cb)(void *ptr, long size))	411	ev_set_allocator (void (cb)(void *ptr, long size))
302	{	412	{
303	alloc = cb;	413	alloc = cb;
304	}	414	}
305		415
306	inline_speed void *	416	inline_speed void *
307	ev_realloc (void *ptr, long size)	417	ev_realloc (void *ptr, long size)
308	{	418	{
309	ptr = alloc ? alloc (ptr, size) : realloc (ptr, size);	419	ptr = alloc (ptr, size);
310		420
311	if (!ptr && size)	421	if (!ptr && size)
312	{	422	{
313	fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size);	423	fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size);
314	abort ();	424	abort ();
…		…
337	W w;	447	W w;
338	int events;	448	int events;
339	} ANPENDING;	449	} ANPENDING;
340		450
341	#if EV_USE_INOTIFY	451	#if EV_USE_INOTIFY
		452	/* hash table entry per inotify-id */
342	typedef struct	453	typedef struct
343	{	454	{
344	WL head;	455	WL head;
345	} ANFS;	456	} ANFS;
		457	#endif
		458
		459	/* Heap Entry */
		460	#if EV_HEAP_CACHE_AT
		461	typedef struct {
		462	ev_tstamp at;
		463	WT w;
		464	} ANHE;
		465
		466	#define ANHE_w(he) (he).w /* access watcher, read-write */
		467	#define ANHE_at(he) (he).at /* access cached at, read-only */
		468	#define ANHE_at_cache(he) (he).at = (he).w->at /* update at from watcher */
		469	#else
		470	typedef WT ANHE;
		471
		472	#define ANHE_w(he) (he)
		473	#define ANHE_at(he) (he)->at
		474	#define ANHE_at_cache(he)
346	#endif	475	#endif
347		476
348	#if EV_MULTIPLICITY	477	#if EV_MULTIPLICITY
349		478
350	struct ev_loop	479	struct ev_loop
…		…
408	{	537	{
409	return ev_rt_now;	538	return ev_rt_now;
410	}	539	}
411	#endif	540	#endif
412		541
		542	void
		543	ev_sleep (ev_tstamp delay)
		544	{
		545	if (delay > 0.)
		546	{
		547	#if EV_USE_NANOSLEEP
		548	struct timespec ts;
		549
		550	ts.tv_sec = (time_t)delay;
		551	ts.tv_nsec = (long)((delay - (ev_tstamp)(ts.tv_sec)) * 1e9);
		552
		553	nanosleep (&ts, 0);
		554	#elif defined(_WIN32)
		555	Sleep ((unsigned long)(delay * 1e3));
		556	#else
		557	struct timeval tv;
		558
		559	tv.tv_sec = (time_t)delay;
		560	tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6);
		561
		562	select (0, 0, 0, 0, &tv);
		563	#endif
		564	}
		565	}
		566
		567	/*****************************************************************************/
		568
		569	#define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2*n and >> 4 longs /
		570
413	int inline_size	571	int inline_size
414	array_nextsize (int elem, int cur, int cnt)	572	array_nextsize (int elem, int cur, int cnt)
415	{	573	{
416	int ncur = cur + 1;	574	int ncur = cur + 1;
417		575
418	do	576	do
419	ncur <<= 1;	577	ncur <<= 1;
420	while (cnt > ncur);	578	while (cnt > ncur);
421		579
422	/* if size > 4096, round to 4096 - 4 * longs to accomodate malloc overhead */	580	/* if size is large, round to MALLOC_ROUND - 4 * longs to accomodate malloc overhead */
423	if (elem * ncur > 4096)	581	if (elem * ncur > MALLOC_ROUND - sizeof (void ) 4)
424	{	582	{
425	ncur *= elem;	583	ncur *= elem;
426	ncur = (ncur + elem + 4095 + sizeof (void ) 4) & ~4095;	584	ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void ) 4) & ~(MALLOC_ROUND - 1);
427	ncur = ncur - sizeof (void ) 4;	585	ncur = ncur - sizeof (void ) 4;
428	ncur /= elem;	586	ncur /= elem;
429	}	587	}
430		588
431	return ncur;	589	return ncur;
…		…
543		701
544	#if EV_SELECT_IS_WINSOCKET	702	#if EV_SELECT_IS_WINSOCKET
545	if (events)	703	if (events)
546	{	704	{
547	unsigned long argp;	705	unsigned long argp;
		706	#ifdef EV_FD_TO_WIN32_HANDLE
		707	anfd->handle = EV_FD_TO_WIN32_HANDLE (fd);
		708	#else
548	anfd->handle = _get_osfhandle (fd);	709	anfd->handle = _get_osfhandle (fd);
		710	#endif
549	assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0));	711	assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0));
550	}	712	}
551	#endif	713	#endif
552		714
553	{	715	{
…		…
641	}	803	}
642	}	804	}
643		805
644	/*****************************************************************************/	806	/*****************************************************************************/
645		807
		808	/*
		809	* the heap functions want a real array index. array index 0 uis guaranteed to not
		810	* be in-use at any time. the first heap entry is at array [HEAP0]. DHEAP gives
		811	* the branching factor of the d-tree.
		812	*/
		813
		814	/*
		815	* at the moment we allow libev the luxury of two heaps,
		816	* a small-code-size 2-heap one and a ~1.5kb larger 4-heap
		817	* which is more cache-efficient.
		818	* the difference is about 5% with 50000+ watchers.
		819	*/
		820	#if EV_USE_4HEAP
		821
		822	#define DHEAP 4
		823	#define HEAP0 (DHEAP - 1) /* index of first element in heap */
		824	#define HPARENT(k) ((((k) - HEAP0 - 1) / DHEAP) + HEAP0)
		825	#define UPHEAP_DONE(p,k) ((p) == (k))
		826
		827	/* away from the root */
646	void inline_speed	828	void inline_speed
647	upheap (WT *heap, int k)	829	downheap (ANHE *heap, int N, int k)
648	{	830	{
649	WT w = heap [k];	831	ANHE he = heap [k];
		832	ANHE *E = heap + N + HEAP0;
650		833
651	while (k)	834	for (;;)
652	{	835	{
653	int p = (k - 1) >> 1;	836	ev_tstamp minat;
		837	ANHE *minpos;
		838	ANHE pos = heap + DHEAP (k - HEAP0) + HEAP0 + 1;
654		839
655	if (heap [p]->at <= w->at)	840	/* find minimum child */
		841	if (expect_true (pos + DHEAP - 1 < E))
		842	{
		843	/* fast path / (minpos = pos + 0), (minat = ANHE_at (minpos));
		844	if ( ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos));
		845	if ( ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos));
		846	if ( ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos));
		847	}
		848	else if (pos < E)
		849	{
		850	/* slow path / (minpos = pos + 0), (minat = ANHE_at (minpos));
		851	if (pos + 1 < E && ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos));
		852	if (pos + 2 < E && ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos));
		853	if (pos + 3 < E && ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos));
		854	}
		855	else
656	break;	856	break;
657		857
		858	if (ANHE_at (he) <= minat)
		859	break;
		860
		861	heap [k] = *minpos;
		862	ev_active (ANHE_w (*minpos)) = k;
		863
		864	k = minpos - heap;
		865	}
		866
		867	heap [k] = he;
		868	ev_active (ANHE_w (he)) = k;
		869	}
		870
		871	#else /* 4HEAP */
		872
		873	#define HEAP0 1
		874	#define HPARENT(k) ((k) >> 1)
		875	#define UPHEAP_DONE(p,k) (!(p))
		876
		877	/* away from the root */
		878	void inline_speed
		879	downheap (ANHE *heap, int N, int k)
		880	{
		881	ANHE he = heap [k];
		882
		883	for (;;)
		884	{
		885	int c = k << 1;
		886
		887	if (c > N + HEAP0 - 1)
		888	break;
		889
		890	c += c + 1 < N + HEAP0 && ANHE_at (heap [c]) > ANHE_at (heap [c + 1])
		891	? 1 : 0;
		892
		893	if (ANHE_at (he) <= ANHE_at (heap [c]))
		894	break;
		895
		896	heap [k] = heap [c];
		897	ev_active (ANHE_w (heap [k])) = k;
		898
		899	k = c;
		900	}
		901
		902	heap [k] = he;
		903	ev_active (ANHE_w (he)) = k;
		904	}
		905	#endif
		906
		907	/* towards the root */
		908	void inline_speed
		909	upheap (ANHE *heap, int k)
		910	{
		911	ANHE he = heap [k];
		912
		913	for (;;)
		914	{
		915	int p = HPARENT (k);
		916
		917	if (UPHEAP_DONE (p, k) \|\| ANHE_at (heap [p]) <= ANHE_at (he))
		918	break;
		919
658	heap [k] = heap [p];	920	heap [k] = heap [p];
659	((W)heap [k])->active = k + 1;	921	ev_active (ANHE_w (heap [k])) = k;
660	k = p;	922	k = p;
661	}	923	}
662		924
663	heap [k] = w;	925	heap [k] = he;
664	((W)heap [k])->active = k + 1;	926	ev_active (ANHE_w (he)) = k;
665	}
666
667	void inline_speed
668	downheap (WT *heap, int N, int k)
669	{
670	WT w = heap [k];
671
672	for (;;)
673	{
674	int c = (k << 1) + 1;
675
676	if (c >= N)
677	break;
678
679	c += c + 1 < N && heap [c]->at > heap [c + 1]->at
680	? 1 : 0;
681
682	if (w->at <= heap [c]->at)
683	break;
684
685	heap [k] = heap [c];
686	((W)heap [k])->active = k + 1;
687
688	k = c;
689	}
690
691	heap [k] = w;
692	((W)heap [k])->active = k + 1;
693	}	927	}
694		928
695	void inline_size	929	void inline_size
696	adjustheap (WT *heap, int N, int k)	930	adjustheap (ANHE *heap, int N, int k)
697	{	931	{
		932	if (k > HEAP0 && ANHE_at (heap [HPARENT (k)]) >= ANHE_at (heap [k]))
698	upheap (heap, k);	933	upheap (heap, k);
		934	else
699	downheap (heap, N, k);	935	downheap (heap, N, k);
700	}	936	}
		937
		938	/* rebuild the heap: this function is used only once and executed rarely */
		939	void inline_size
		940	reheap (ANHE *heap, int N)
		941	{
		942	int i;
		943	/* we don't use floyds algorithm, upheap is simpler and is more cache-efficient */
		944	/* also, this is easy to implement and correct for both 2-heaps and 4-heaps */
		945	for (i = 0; i < N; ++i)
		946	upheap (heap, i + HEAP0);
		947	}
		948
		949	#if EV_VERIFY
		950	static void
		951	checkheap (ANHE *heap, int N)
		952	{
		953	int i;
		954
		955	for (i = HEAP0; i < N + HEAP0; ++i)
		956	{
		957	assert (("active index mismatch in heap", ev_active (ANHE_w (heap [i])) == i));
		958	assert (("heap condition violated", i == HEAP0 \|\| ANHE_at (heap [HPARENT (i)]) <= ANHE_at (heap [i])));
		959	assert (("heap at cache mismatch", ANHE_at (heap [i]) == ev_at (ANHE_w (heap [i]))));
		960	}
		961	}
		962	#endif
701		963
702	/*****************************************************************************/	964	/*****************************************************************************/
703		965
704	typedef struct	966	typedef struct
705	{	967	{
706	WL head;	968	WL head;
707	sig_atomic_t volatile gotsig;	969	EV_ATOMIC_T gotsig;
708	} ANSIG;	970	} ANSIG;
709		971
710	static ANSIG *signals;	972	static ANSIG *signals;
711	static int signalmax;	973	static int signalmax;
712		974
713	static int sigpipe [2];	975	static EV_ATOMIC_T gotsig;
714	static sig_atomic_t volatile gotsig;
715	static ev_io sigev;
716		976
717	void inline_size	977	void inline_size
718	signals_init (ANSIG *base, int count)	978	signals_init (ANSIG *base, int count)
719	{	979	{
720	while (count--)	980	while (count--)
…		…
724		984
725	++base;	985	++base;
726	}	986	}
727	}	987	}
728		988
729	static void	989	/*****************************************************************************/
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		990
780	void inline_speed	991	void inline_speed
781	fd_intern (int fd)	992	fd_intern (int fd)
782	{	993	{
783	#ifdef _WIN32	994	#ifdef _WIN32
…		…
788	fcntl (fd, F_SETFL, O_NONBLOCK);	999	fcntl (fd, F_SETFL, O_NONBLOCK);
789	#endif	1000	#endif
790	}	1001	}
791		1002
792	static void noinline	1003	static void noinline
793	siginit (EV_P)	1004	evpipe_init (EV_P)
794	{	1005	{
		1006	if (!ev_is_active (&pipeev))
		1007	{
		1008	#if EV_USE_EVENTFD
		1009	if ((evfd = eventfd (0, 0)) >= 0)
		1010	{
		1011	evpipe [0] = -1;
		1012	fd_intern (evfd);
		1013	ev_io_set (&pipeev, evfd, EV_READ);
		1014	}
		1015	else
		1016	#endif
		1017	{
		1018	while (pipe (evpipe))
		1019	syserr ("(libev) error creating signal/async pipe");
		1020
795	fd_intern (sigpipe [0]);	1021	fd_intern (evpipe [0]);
796	fd_intern (sigpipe [1]);	1022	fd_intern (evpipe [1]);
		1023	ev_io_set (&pipeev, evpipe [0], EV_READ);
		1024	}
797		1025
798	ev_io_set (&sigev, sigpipe [0], EV_READ);
799	ev_io_start (EV_A_ &sigev);	1026	ev_io_start (EV_A_ &pipeev);
800	ev_unref (EV_A); /* child watcher should not keep loop alive */	1027	ev_unref (EV_A); /* watcher should not keep loop alive */
		1028	}
		1029	}
		1030
		1031	void inline_size
		1032	evpipe_write (EV_P_ EV_ATOMIC_T *flag)
		1033	{
		1034	if (!*flag)
		1035	{
		1036	int old_errno = errno; /* save errno because write might clobber it */
		1037
		1038	*flag = 1;
		1039
		1040	#if EV_USE_EVENTFD
		1041	if (evfd >= 0)
		1042	{
		1043	uint64_t counter = 1;
		1044	write (evfd, &counter, sizeof (uint64_t));
		1045	}
		1046	else
		1047	#endif
		1048	write (evpipe [1], &old_errno, 1);
		1049
		1050	errno = old_errno;
		1051	}
		1052	}
		1053
		1054	static void
		1055	pipecb (EV_P_ ev_io *iow, int revents)
		1056	{
		1057	#if EV_USE_EVENTFD
		1058	if (evfd >= 0)
		1059	{
		1060	uint64_t counter;
		1061	read (evfd, &counter, sizeof (uint64_t));
		1062	}
		1063	else
		1064	#endif
		1065	{
		1066	char dummy;
		1067	read (evpipe [0], &dummy, 1);
		1068	}
		1069
		1070	if (gotsig && ev_is_default_loop (EV_A))
		1071	{
		1072	int signum;
		1073	gotsig = 0;
		1074
		1075	for (signum = signalmax; signum--; )
		1076	if (signals [signum].gotsig)
		1077	ev_feed_signal_event (EV_A_ signum + 1);
		1078	}
		1079
		1080	#if EV_ASYNC_ENABLE
		1081	if (gotasync)
		1082	{
		1083	int i;
		1084	gotasync = 0;
		1085
		1086	for (i = asynccnt; i--; )
		1087	if (asyncs [i]->sent)
		1088	{
		1089	asyncs [i]->sent = 0;
		1090	ev_feed_event (EV_A_ asyncs [i], EV_ASYNC);
		1091	}
		1092	}
		1093	#endif
801	}	1094	}
802		1095
803	/*****************************************************************************/	1096	/*****************************************************************************/
804		1097
		1098	static void
		1099	ev_sighandler (int signum)
		1100	{
		1101	#if EV_MULTIPLICITY
		1102	struct ev_loop *loop = &default_loop_struct;
		1103	#endif
		1104
		1105	#if _WIN32
		1106	signal (signum, ev_sighandler);
		1107	#endif
		1108
		1109	signals [signum - 1].gotsig = 1;
		1110	evpipe_write (EV_A_ &gotsig);
		1111	}
		1112
		1113	void noinline
		1114	ev_feed_signal_event (EV_P_ int signum)
		1115	{
		1116	WL w;
		1117
		1118	#if EV_MULTIPLICITY
		1119	assert (("feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr));
		1120	#endif
		1121
		1122	--signum;
		1123
		1124	if (signum < 0 \|\| signum >= signalmax)
		1125	return;
		1126
		1127	signals [signum].gotsig = 0;
		1128
		1129	for (w = signals [signum].head; w; w = w->next)
		1130	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);
		1131	}
		1132
		1133	/*****************************************************************************/
		1134
805	static WL childs [EV_PID_HASHSIZE];	1135	static WL childs [EV_PID_HASHSIZE];
806		1136
807	#ifndef _WIN32	1137	#ifndef _WIN32
808		1138
809	static ev_signal childev;	1139	static ev_signal childev;
810		1140
		1141	#ifndef WIFCONTINUED
		1142	# define WIFCONTINUED(status) 0
		1143	#endif
		1144
811	void inline_speed	1145	void inline_speed
812	child_reap (EV_P_ ev_signal *sw, int chain, int pid, int status)	1146	child_reap (EV_P_ int chain, int pid, int status)
813	{	1147	{
814	ev_child *w;	1148	ev_child *w;
		1149	int traced = WIFSTOPPED (status) \|\| WIFCONTINUED (status);
815		1150
816	for (w = (ev_child )childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child )((WL)w)->next)	1151	for (w = (ev_child )childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child )((WL)w)->next)
		1152	{
817	if (w->pid == pid \|\| !w->pid)	1153	if ((w->pid == pid \|\| !w->pid)
		1154	&& (!traced \|\| (w->flags & 1)))
818	{	1155	{
819	ev_set_priority (w, ev_priority (sw)); /* need to do it now */	1156	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;	1157	w->rpid = pid;
821	w->rstatus = status;	1158	w->rstatus = status;
822	ev_feed_event (EV_A_ (W)w, EV_CHILD);	1159	ev_feed_event (EV_A_ (W)w, EV_CHILD);
823	}	1160	}
		1161	}
824	}	1162	}
825		1163
826	#ifndef WCONTINUED	1164	#ifndef WCONTINUED
827	# define WCONTINUED 0	1165	# define WCONTINUED 0
828	#endif	1166	#endif
…		…
837	if (!WCONTINUED	1175	if (!WCONTINUED
838	\|\| errno != EINVAL	1176	\|\| errno != EINVAL
839	\|\| 0 >= (pid = waitpid (-1, &status, WNOHANG \| WUNTRACED)))	1177	\|\| 0 >= (pid = waitpid (-1, &status, WNOHANG \| WUNTRACED)))
840	return;	1178	return;
841		1179
842	/* make sure we are called again until all childs have been reaped */	1180	/* 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 */	1181	/* 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);	1182	ev_feed_event (EV_A_ (W)sw, EV_SIGNAL);
845		1183
846	child_reap (EV_A_ sw, pid, pid, status);	1184	child_reap (EV_A_ pid, pid, status);
847	if (EV_PID_HASHSIZE > 1)	1185	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 */	1186	child_reap (EV_A_ 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */
849	}	1187	}
850		1188
851	#endif	1189	#endif
852		1190
853	/*****************************************************************************/	1191	/*****************************************************************************/
…		…
925	}	1263	}
926		1264
927	unsigned int	1265	unsigned int
928	ev_embeddable_backends (void)	1266	ev_embeddable_backends (void)
929	{	1267	{
930	return EVBACKEND_EPOLL	1268	int flags = EVBACKEND_EPOLL \| EVBACKEND_KQUEUE \| EVBACKEND_PORT;
931	\| EVBACKEND_KQUEUE	1269
932	\| EVBACKEND_PORT;	1270	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */
		1271	/* please fix it and tell me how to detect the fix */
		1272	flags &= ~EVBACKEND_EPOLL;
		1273
		1274	return flags;
933	}	1275	}
934		1276
935	unsigned int	1277	unsigned int
936	ev_backend (EV_P)	1278	ev_backend (EV_P)
937	{	1279	{
…		…
940		1282
941	unsigned int	1283	unsigned int
942	ev_loop_count (EV_P)	1284	ev_loop_count (EV_P)
943	{	1285	{
944	return loop_count;	1286	return loop_count;
		1287	}
		1288
		1289	void
		1290	ev_set_io_collect_interval (EV_P_ ev_tstamp interval)
		1291	{
		1292	io_blocktime = interval;
		1293	}
		1294
		1295	void
		1296	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval)
		1297	{
		1298	timeout_blocktime = interval;
945	}	1299	}
946		1300
947	static void noinline	1301	static void noinline
948	loop_init (EV_P_ unsigned int flags)	1302	loop_init (EV_P_ unsigned int flags)
949	{	1303	{
…		…
955	if (!clock_gettime (CLOCK_MONOTONIC, &ts))	1309	if (!clock_gettime (CLOCK_MONOTONIC, &ts))
956	have_monotonic = 1;	1310	have_monotonic = 1;
957	}	1311	}
958	#endif	1312	#endif
959		1313
960	ev_rt_now = ev_time ();	1314	ev_rt_now = ev_time ();
961	mn_now = get_clock ();	1315	mn_now = get_clock ();
962	now_floor = mn_now;	1316	now_floor = mn_now;
963	rtmn_diff = ev_rt_now - mn_now;	1317	rtmn_diff = ev_rt_now - mn_now;
		1318
		1319	io_blocktime = 0.;
		1320	timeout_blocktime = 0.;
		1321	backend = 0;
		1322	backend_fd = -1;
		1323	gotasync = 0;
		1324	#if EV_USE_INOTIFY
		1325	fs_fd = -2;
		1326	#endif
964		1327
965	/* pid check not overridable via env */	1328	/* pid check not overridable via env */
966	#ifndef _WIN32	1329	#ifndef _WIN32
967	if (flags & EVFLAG_FORKCHECK)	1330	if (flags & EVFLAG_FORKCHECK)
968	curpid = getpid ();	1331	curpid = getpid ();
…		…
971	if (!(flags & EVFLAG_NOENV)	1334	if (!(flags & EVFLAG_NOENV)
972	&& !enable_secure ()	1335	&& !enable_secure ()
973	&& getenv ("LIBEV_FLAGS"))	1336	&& getenv ("LIBEV_FLAGS"))
974	flags = atoi (getenv ("LIBEV_FLAGS"));	1337	flags = atoi (getenv ("LIBEV_FLAGS"));
975		1338
976	if (!(flags & 0x0000ffffUL))	1339	if (!(flags & 0x0000ffffU))
977	flags \|= ev_recommended_backends ();	1340	flags \|= ev_recommended_backends ();
978
979	backend = 0;
980	backend_fd = -1;
981	#if EV_USE_INOTIFY
982	fs_fd = -2;
983	#endif
984		1341
985	#if EV_USE_PORT	1342	#if EV_USE_PORT
986	if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);	1343	if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);
987	#endif	1344	#endif
988	#if EV_USE_KQUEUE	1345	#if EV_USE_KQUEUE
…		…
996	#endif	1353	#endif
997	#if EV_USE_SELECT	1354	#if EV_USE_SELECT
998	if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags);	1355	if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags);
999	#endif	1356	#endif
1000		1357
1001	ev_init (&sigev, sigcb);	1358	ev_init (&pipeev, pipecb);
1002	ev_set_priority (&sigev, EV_MAXPRI);	1359	ev_set_priority (&pipeev, EV_MAXPRI);
1003	}	1360	}
1004	}	1361	}
1005		1362
1006	static void noinline	1363	static void noinline
1007	loop_destroy (EV_P)	1364	loop_destroy (EV_P)
1008	{	1365	{
1009	int i;	1366	int i;
		1367
		1368	if (ev_is_active (&pipeev))
		1369	{
		1370	ev_ref (EV_A); /* signal watcher */
		1371	ev_io_stop (EV_A_ &pipeev);
		1372
		1373	#if EV_USE_EVENTFD
		1374	if (evfd >= 0)
		1375	close (evfd);
		1376	#endif
		1377
		1378	if (evpipe [0] >= 0)
		1379	{
		1380	close (evpipe [0]);
		1381	close (evpipe [1]);
		1382	}
		1383	}
1010		1384
1011	#if EV_USE_INOTIFY	1385	#if EV_USE_INOTIFY
1012	if (fs_fd >= 0)	1386	if (fs_fd >= 0)
1013	close (fs_fd);	1387	close (fs_fd);
1014	#endif	1388	#endif
…		…
1051	#if EV_FORK_ENABLE	1425	#if EV_FORK_ENABLE
1052	array_free (fork, EMPTY);	1426	array_free (fork, EMPTY);
1053	#endif	1427	#endif
1054	array_free (prepare, EMPTY);	1428	array_free (prepare, EMPTY);
1055	array_free (check, EMPTY);	1429	array_free (check, EMPTY);
		1430	#if EV_ASYNC_ENABLE
		1431	array_free (async, EMPTY);
		1432	#endif
1056		1433
1057	backend = 0;	1434	backend = 0;
1058	}	1435	}
1059		1436
		1437	#if EV_USE_INOTIFY
1060	void inline_size infy_fork (EV_P);	1438	void inline_size infy_fork (EV_P);
		1439	#endif
1061		1440
1062	void inline_size	1441	void inline_size
1063	loop_fork (EV_P)	1442	loop_fork (EV_P)
1064	{	1443	{
1065	#if EV_USE_PORT	1444	#if EV_USE_PORT
…		…
1073	#endif	1452	#endif
1074	#if EV_USE_INOTIFY	1453	#if EV_USE_INOTIFY
1075	infy_fork (EV_A);	1454	infy_fork (EV_A);
1076	#endif	1455	#endif
1077		1456
1078	if (ev_is_active (&sigev))	1457	if (ev_is_active (&pipeev))
1079	{	1458	{
1080	/* default loop */	1459	/* this "locks" the handlers against writing to the pipe */
		1460	/* while we modify the fd vars */
		1461	gotsig = 1;
		1462	#if EV_ASYNC_ENABLE
		1463	gotasync = 1;
		1464	#endif
1081		1465
1082	ev_ref (EV_A);	1466	ev_ref (EV_A);
1083	ev_io_stop (EV_A_ &sigev);	1467	ev_io_stop (EV_A_ &pipeev);
		1468
		1469	#if EV_USE_EVENTFD
		1470	if (evfd >= 0)
		1471	close (evfd);
		1472	#endif
		1473
		1474	if (evpipe [0] >= 0)
		1475	{
1084	close (sigpipe [0]);	1476	close (evpipe [0]);
1085	close (sigpipe [1]);	1477	close (evpipe [1]);
		1478	}
1086		1479
1087	while (pipe (sigpipe))
1088	syserr ("(libev) error creating pipe");
1089
1090	siginit (EV_A);	1480	evpipe_init (EV_A);
		1481	/* now iterate over everything, in case we missed something */
		1482	pipecb (EV_A_ &pipeev, EV_READ);
1091	}	1483	}
1092		1484
1093	postfork = 0;	1485	postfork = 0;
1094	}	1486	}
1095		1487
…		…
1117	}	1509	}
1118		1510
1119	void	1511	void
1120	ev_loop_fork (EV_P)	1512	ev_loop_fork (EV_P)
1121	{	1513	{
1122	postfork = 1;	1514	postfork = 1; /* must be in line with ev_default_fork */
1123	}	1515	}
		1516
		1517	#if EV_VERIFY
		1518	static void
		1519	array_check (W **ws, int cnt)
		1520	{
		1521	while (cnt--)
		1522	assert (("active index mismatch", ev_active (ws [cnt]) == cnt + 1));
		1523	}
		1524
		1525	static void
		1526	ev_loop_verify (EV_P)
		1527	{
		1528	int i;
		1529
		1530	checkheap (timers, timercnt);
		1531	#if EV_PERIODIC_ENABLE
		1532	checkheap (periodics, periodiccnt);
		1533	#endif
		1534
		1535	#if EV_IDLE_ENABLE
		1536	for (i = NUMPRI; i--; )
		1537	array_check ((W **)idles [i], idlecnt [i]);
		1538	#endif
		1539	#if EV_FORK_ENABLE
		1540	array_check ((W **)forks, forkcnt);
		1541	#endif
		1542	array_check ((W **)prepares, preparecnt);
		1543	array_check ((W **)checks, checkcnt);
		1544	#if EV_ASYNC_ENABLE
		1545	array_check ((W **)asyncs, asynccnt);
		1546	#endif
		1547	}
		1548	#endif
1124		1549
1125	#endif	1550	#endif
1126		1551
1127	#if EV_MULTIPLICITY	1552	#if EV_MULTIPLICITY
1128	struct ev_loop *	1553	struct ev_loop *
…		…
1130	#else	1555	#else
1131	int	1556	int
1132	ev_default_loop (unsigned int flags)	1557	ev_default_loop (unsigned int flags)
1133	#endif	1558	#endif
1134	{	1559	{
1135	if (sigpipe [0] == sigpipe [1])
1136	if (pipe (sigpipe))
1137	return 0;
1138
1139	if (!ev_default_loop_ptr)	1560	if (!ev_default_loop_ptr)
1140	{	1561	{
1141	#if EV_MULTIPLICITY	1562	#if EV_MULTIPLICITY
1142	struct ev_loop *loop = ev_default_loop_ptr = &default_loop_struct;	1563	struct ev_loop *loop = ev_default_loop_ptr = &default_loop_struct;
1143	#else	1564	#else
…		…
1146		1567
1147	loop_init (EV_A_ flags);	1568	loop_init (EV_A_ flags);
1148		1569
1149	if (ev_backend (EV_A))	1570	if (ev_backend (EV_A))
1150	{	1571	{
1151	siginit (EV_A);
1152
1153	#ifndef _WIN32	1572	#ifndef _WIN32
1154	ev_signal_init (&childev, childcb, SIGCHLD);	1573	ev_signal_init (&childev, childcb, SIGCHLD);
1155	ev_set_priority (&childev, EV_MAXPRI);	1574	ev_set_priority (&childev, EV_MAXPRI);
1156	ev_signal_start (EV_A_ &childev);	1575	ev_signal_start (EV_A_ &childev);
1157	ev_unref (EV_A); /* child watcher should not keep loop alive */	1576	ev_unref (EV_A); /* child watcher should not keep loop alive */
…		…
1174	#ifndef _WIN32	1593	#ifndef _WIN32
1175	ev_ref (EV_A); /* child watcher */	1594	ev_ref (EV_A); /* child watcher */
1176	ev_signal_stop (EV_A_ &childev);	1595	ev_signal_stop (EV_A_ &childev);
1177	#endif	1596	#endif
1178		1597
1179	ev_ref (EV_A); /* signal watcher */
1180	ev_io_stop (EV_A_ &sigev);
1181
1182	close (sigpipe [0]); sigpipe [0] = 0;
1183	close (sigpipe [1]); sigpipe [1] = 0;
1184
1185	loop_destroy (EV_A);	1598	loop_destroy (EV_A);
1186	}	1599	}
1187		1600
1188	void	1601	void
1189	ev_default_fork (void)	1602	ev_default_fork (void)
…		…
1191	#if EV_MULTIPLICITY	1604	#if EV_MULTIPLICITY
1192	struct ev_loop *loop = ev_default_loop_ptr;	1605	struct ev_loop *loop = ev_default_loop_ptr;
1193	#endif	1606	#endif
1194		1607
1195	if (backend)	1608	if (backend)
1196	postfork = 1;	1609	postfork = 1; /* must be in line with ev_loop_fork */
1197	}	1610	}
1198		1611
1199	/*****************************************************************************/	1612	/*****************************************************************************/
1200		1613
1201	void	1614	void
…		…
1206		1619
1207	void inline_speed	1620	void inline_speed
1208	call_pending (EV_P)	1621	call_pending (EV_P)
1209	{	1622	{
1210	int pri;	1623	int pri;
		1624
		1625	EV_FREQUENT_CHECK;
1211		1626
1212	for (pri = NUMPRI; pri--; )	1627	for (pri = NUMPRI; pri--; )
1213	while (pendingcnt [pri])	1628	while (pendingcnt [pri])
1214	{	1629	{
1215	ANPENDING *p = pendings [pri] + --pendingcnt [pri];	1630	ANPENDING *p = pendings [pri] + --pendingcnt [pri];
…		…
1220		1635
1221	p->w->pending = 0;	1636	p->w->pending = 0;
1222	EV_CB_INVOKE (p->w, p->events);	1637	EV_CB_INVOKE (p->w, p->events);
1223	}	1638	}
1224	}	1639	}
1225	}
1226		1640
1227	void inline_size	1641	EV_FREQUENT_CHECK;
1228	timers_reify (EV_P)
1229	{
1230	while (timercnt && ((WT)timers [0])->at <= mn_now)
1231	{
1232	ev_timer w = (ev_timer )timers [0];
1233
1234	/assert (("inactive timer on timer heap detected", ev_is_active (w)));/
1235
1236	/* first reschedule or stop timer */
1237	if (w->repeat)
1238	{
1239	assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));
1240
1241	((WT)w)->at += w->repeat;
1242	if (((WT)w)->at < mn_now)
1243	((WT)w)->at = mn_now;
1244
1245	downheap (timers, timercnt, 0);
1246	}
1247	else
1248	ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */
1249
1250	ev_feed_event (EV_A_ (W)w, EV_TIMEOUT);
1251	}
1252	}	1642	}
1253
1254	#if EV_PERIODIC_ENABLE
1255	void inline_size
1256	periodics_reify (EV_P)
1257	{
1258	while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now)
1259	{
1260	ev_periodic w = (ev_periodic )periodics [0];
1261
1262	/assert (("inactive timer on periodic heap detected", ev_is_active (w)));/
1263
1264	/* first reschedule or stop timer */
1265	if (w->reschedule_cb)
1266	{
1267	((WT)w)->at = w->reschedule_cb (w, ev_rt_now + TIME_EPSILON);
1268	assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now));
1269	downheap (periodics, periodiccnt, 0);
1270	}
1271	else if (w->interval)
1272	{
1273	((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
1274	if (((WT)w)->at - ev_rt_now <= TIME_EPSILON) ((WT)w)->at += w->interval;
1275	assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now));
1276	downheap (periodics, periodiccnt, 0);
1277	}
1278	else
1279	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */
1280
1281	ev_feed_event (EV_A_ (W)w, EV_PERIODIC);
1282	}
1283	}
1284
1285	static void noinline
1286	periodics_reschedule (EV_P)
1287	{
1288	int i;
1289
1290	/* adjust periodics after time jump */
1291	for (i = 0; i < periodiccnt; ++i)
1292	{
1293	ev_periodic w = (ev_periodic )periodics [i];
1294
1295	if (w->reschedule_cb)
1296	((WT)w)->at = w->reschedule_cb (w, ev_rt_now);
1297	else if (w->interval)
1298	((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
1299	}
1300
1301	/* now rebuild the heap */
1302	for (i = periodiccnt >> 1; i--; )
1303	downheap (periodics, periodiccnt, i);
1304	}
1305	#endif
1306		1643
1307	#if EV_IDLE_ENABLE	1644	#if EV_IDLE_ENABLE
1308	void inline_size	1645	void inline_size
1309	idle_reify (EV_P)	1646	idle_reify (EV_P)
1310	{	1647	{
…		…
1322	queue_events (EV_A_ (W *)idles [pri], idlecnt [pri], EV_IDLE);	1659	queue_events (EV_A_ (W *)idles [pri], idlecnt [pri], EV_IDLE);
1323	break;	1660	break;
1324	}	1661	}
1325	}	1662	}
1326	}	1663	}
		1664	}
		1665	#endif
		1666
		1667	void inline_size
		1668	timers_reify (EV_P)
		1669	{
		1670	EV_FREQUENT_CHECK;
		1671
		1672	while (timercnt && ANHE_at (timers [HEAP0]) < mn_now)
		1673	{
		1674	ev_timer w = (ev_timer )ANHE_w (timers [HEAP0]);
		1675
		1676	/assert (("inactive timer on timer heap detected", ev_is_active (w)));/
		1677
		1678	/* first reschedule or stop timer */
		1679	if (w->repeat)
		1680	{
		1681	ev_at (w) += w->repeat;
		1682	if (ev_at (w) < mn_now)
		1683	ev_at (w) = mn_now;
		1684
		1685	assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));
		1686
		1687	ANHE_at_cache (timers [HEAP0]);
		1688	downheap (timers, timercnt, HEAP0);
		1689	}
		1690	else
		1691	ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */
		1692
		1693	EV_FREQUENT_CHECK;
		1694	ev_feed_event (EV_A_ (W)w, EV_TIMEOUT);
		1695	}
		1696	}
		1697
		1698	#if EV_PERIODIC_ENABLE
		1699	void inline_size
		1700	periodics_reify (EV_P)
		1701	{
		1702	EV_FREQUENT_CHECK;
		1703	while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)
		1704	{
		1705	ev_periodic w = (ev_periodic )ANHE_w (periodics [HEAP0]);
		1706
		1707	/assert (("inactive timer on periodic heap detected", ev_is_active (w)));/
		1708
		1709	/* first reschedule or stop timer */
		1710	if (w->reschedule_cb)
		1711	{
		1712	ev_at (w) = w->reschedule_cb (w, ev_rt_now);
		1713
		1714	assert (("ev_periodic reschedule callback returned time in the past", ev_at (w) >= ev_rt_now));
		1715
		1716	ANHE_at_cache (periodics [HEAP0]);
		1717	downheap (periodics, periodiccnt, HEAP0);
		1718	EV_FREQUENT_CHECK;
		1719	}
		1720	else if (w->interval)
		1721	{
		1722	ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
		1723	/* if next trigger time is not sufficiently in the future, put it there */
		1724	/* this might happen because of floating point inexactness */
		1725	if (ev_at (w) - ev_rt_now < TIME_EPSILON)
		1726	{
		1727	ev_at (w) += w->interval;
		1728
		1729	/* if interval is unreasonably low we might still have a time in the past */
		1730	/* so correct this. this will make the periodic very inexact, but the user */
		1731	/* has effectively asked to get triggered more often than possible */
		1732	if (ev_at (w) < ev_rt_now)
		1733	ev_at (w) = ev_rt_now;
		1734	}
		1735
		1736	ANHE_at_cache (periodics [HEAP0]);
		1737	downheap (periodics, periodiccnt, HEAP0);
		1738	}
		1739	else
		1740	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */
		1741
		1742	EV_FREQUENT_CHECK;
		1743	ev_feed_event (EV_A_ (W)w, EV_PERIODIC);
		1744	}
		1745	}
		1746
		1747	static void noinline
		1748	periodics_reschedule (EV_P)
		1749	{
		1750	int i;
		1751
		1752	/* adjust periodics after time jump */
		1753	for (i = HEAP0; i < periodiccnt + HEAP0; ++i)
		1754	{
		1755	ev_periodic w = (ev_periodic )ANHE_w (periodics [i]);
		1756
		1757	if (w->reschedule_cb)
		1758	ev_at (w) = w->reschedule_cb (w, ev_rt_now);
		1759	else if (w->interval)
		1760	ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
		1761
		1762	ANHE_at_cache (periodics [i]);
		1763	}
		1764
		1765	reheap (periodics, periodiccnt);
1327	}	1766	}
1328	#endif	1767	#endif
1329		1768
1330	void inline_speed	1769	void inline_speed
1331	time_update (EV_P_ ev_tstamp max_block)	1770	time_update (EV_P_ ev_tstamp max_block)
…		…
1360	*/	1799	*/
1361	for (i = 4; --i; )	1800	for (i = 4; --i; )
1362	{	1801	{
1363	rtmn_diff = ev_rt_now - mn_now;	1802	rtmn_diff = ev_rt_now - mn_now;
1364		1803
1365	if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)	1804	if (expect_true (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP))
1366	return; /* all is well */	1805	return; /* all is well */
1367		1806
1368	ev_rt_now = ev_time ();	1807	ev_rt_now = ev_time ();
1369	mn_now = get_clock ();	1808	mn_now = get_clock ();
1370	now_floor = mn_now;	1809	now_floor = mn_now;
…		…
1386	#if EV_PERIODIC_ENABLE	1825	#if EV_PERIODIC_ENABLE
1387	periodics_reschedule (EV_A);	1826	periodics_reschedule (EV_A);
1388	#endif	1827	#endif
1389	/* adjust timers. this is easy, as the offset is the same for all of them */	1828	/* adjust timers. this is easy, as the offset is the same for all of them */
1390	for (i = 0; i < timercnt; ++i)	1829	for (i = 0; i < timercnt; ++i)
		1830	{
		1831	ANHE *he = timers + i + HEAP0;
1391	((WT)timers [i])->at += ev_rt_now - mn_now;	1832	ANHE_w (*he)->at += ev_rt_now - mn_now;
		1833	ANHE_at_cache (*he);
		1834	}
1392	}	1835	}
1393		1836
1394	mn_now = ev_rt_now;	1837	mn_now = ev_rt_now;
1395	}	1838	}
1396	}	1839	}
…		…
1410	static int loop_done;	1853	static int loop_done;
1411		1854
1412	void	1855	void
1413	ev_loop (EV_P_ int flags)	1856	ev_loop (EV_P_ int flags)
1414	{	1857	{
1415	loop_done = flags & (EVLOOP_ONESHOT \| EVLOOP_NONBLOCK)	1858	loop_done = EVUNLOOP_CANCEL;
1416	? EVUNLOOP_ONE
1417	: EVUNLOOP_CANCEL;
1418		1859
1419	call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */	1860	call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */
1420		1861
1421	do	1862	do
1422	{	1863	{
…		…
1456	/* update fd-related kernel structures */	1897	/* update fd-related kernel structures */
1457	fd_reify (EV_A);	1898	fd_reify (EV_A);
1458		1899
1459	/* calculate blocking time */	1900	/* calculate blocking time */
1460	{	1901	{
1461	ev_tstamp block;	1902	ev_tstamp waittime = 0.;
		1903	ev_tstamp sleeptime = 0.;
1462		1904
1463	if (expect_false (flags & EVLOOP_NONBLOCK \|\| idleall \|\| !activecnt))	1905	if (expect_true (!(flags & EVLOOP_NONBLOCK \|\| idleall \|\| !activecnt)))
1464	block = 0.; /* do not block at all */
1465	else
1466	{	1906	{
1467	/* update time to cancel out callback processing overhead */	1907	/* update time to cancel out callback processing overhead */
1468	time_update (EV_A_ 1e100);	1908	time_update (EV_A_ 1e100);
1469		1909
1470	block = MAX_BLOCKTIME;	1910	waittime = MAX_BLOCKTIME;
1471		1911
1472	if (timercnt)	1912	if (timercnt)
1473	{	1913	{
1474	ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge;	1914	ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge;
1475	if (block > to) block = to;	1915	if (waittime > to) waittime = to;
1476	}	1916	}
1477		1917
1478	#if EV_PERIODIC_ENABLE	1918	#if EV_PERIODIC_ENABLE
1479	if (periodiccnt)	1919	if (periodiccnt)
1480	{	1920	{
1481	ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + backend_fudge;	1921	ev_tstamp to = ANHE_at (periodics [HEAP0]) - ev_rt_now + backend_fudge;
1482	if (block > to) block = to;	1922	if (waittime > to) waittime = to;
1483	}	1923	}
1484	#endif	1924	#endif
1485		1925
1486	if (expect_false (block < 0.)) block = 0.;	1926	if (expect_false (waittime < timeout_blocktime))
		1927	waittime = timeout_blocktime;
		1928
		1929	sleeptime = waittime - backend_fudge;
		1930
		1931	if (expect_true (sleeptime > io_blocktime))
		1932	sleeptime = io_blocktime;
		1933
		1934	if (sleeptime)
		1935	{
		1936	ev_sleep (sleeptime);
		1937	waittime -= sleeptime;
		1938	}
1487	}	1939	}
1488		1940
1489	++loop_count;	1941	++loop_count;
1490	backend_poll (EV_A_ block);	1942	backend_poll (EV_A_ waittime);
1491		1943
1492	/* update ev_rt_now, do magic */	1944	/* update ev_rt_now, do magic */
1493	time_update (EV_A_ block);	1945	time_update (EV_A_ waittime + sleeptime);
1494	}	1946	}
1495		1947
1496	/* queue pending timers and reschedule them */	1948	/* queue pending timers and reschedule them */
1497	timers_reify (EV_A); /* relative timers called last */	1949	timers_reify (EV_A); /* relative timers called last */
1498	#if EV_PERIODIC_ENABLE	1950	#if EV_PERIODIC_ENABLE
…		…
1507	/* queue check watchers, to be executed first */	1959	/* queue check watchers, to be executed first */
1508	if (expect_false (checkcnt))	1960	if (expect_false (checkcnt))
1509	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);	1961	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
1510		1962
1511	call_pending (EV_A);	1963	call_pending (EV_A);
1512
1513	}	1964	}
1514	while (expect_true (activecnt && !loop_done));	1965	while (expect_true (
		1966	activecnt
		1967	&& !loop_done
		1968	&& !(flags & (EVLOOP_ONESHOT \| EVLOOP_NONBLOCK))
		1969	));
1515		1970
1516	if (loop_done == EVUNLOOP_ONE)	1971	if (loop_done == EVUNLOOP_ONE)
1517	loop_done = EVUNLOOP_CANCEL;	1972	loop_done = EVUNLOOP_CANCEL;
1518	}	1973	}
1519		1974
…		…
1608	if (expect_false (ev_is_active (w)))	2063	if (expect_false (ev_is_active (w)))
1609	return;	2064	return;
1610		2065
1611	assert (("ev_io_start called with negative fd", fd >= 0));	2066	assert (("ev_io_start called with negative fd", fd >= 0));
1612		2067
		2068	EV_FREQUENT_CHECK;
		2069
1613	ev_start (EV_A_ (W)w, 1);	2070	ev_start (EV_A_ (W)w, 1);
1614	array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init);	2071	array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init);
1615	wlist_add (&anfds[fd].head, (WL)w);	2072	wlist_add (&anfds[fd].head, (WL)w);
1616		2073
1617	fd_change (EV_A_ fd, w->events & EV_IOFDSET \| 1);	2074	fd_change (EV_A_ fd, w->events & EV_IOFDSET \| 1);
1618	w->events &= ~EV_IOFDSET;	2075	w->events &= ~EV_IOFDSET;
		2076
		2077	EV_FREQUENT_CHECK;
1619	}	2078	}
1620		2079
1621	void noinline	2080	void noinline
1622	ev_io_stop (EV_P_ ev_io *w)	2081	ev_io_stop (EV_P_ ev_io *w)
1623	{	2082	{
1624	clear_pending (EV_A_ (W)w);	2083	clear_pending (EV_A_ (W)w);
1625	if (expect_false (!ev_is_active (w)))	2084	if (expect_false (!ev_is_active (w)))
1626	return;	2085	return;
1627		2086
1628	assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));	2087	assert (("ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));
		2088
		2089	EV_FREQUENT_CHECK;
1629		2090
1630	wlist_del (&anfds[w->fd].head, (WL)w);	2091	wlist_del (&anfds[w->fd].head, (WL)w);
1631	ev_stop (EV_A_ (W)w);	2092	ev_stop (EV_A_ (W)w);
1632		2093
1633	fd_change (EV_A_ w->fd, 1);	2094	fd_change (EV_A_ w->fd, 1);
		2095
		2096	EV_FREQUENT_CHECK;
1634	}	2097	}
1635		2098
1636	void noinline	2099	void noinline
1637	ev_timer_start (EV_P_ ev_timer *w)	2100	ev_timer_start (EV_P_ ev_timer *w)
1638	{	2101	{
1639	if (expect_false (ev_is_active (w)))	2102	if (expect_false (ev_is_active (w)))
1640	return;	2103	return;
1641		2104
1642	((WT)w)->at += mn_now;	2105	ev_at (w) += mn_now;
1643		2106
1644	assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));	2107	assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));
1645		2108
		2109	EV_FREQUENT_CHECK;
		2110
		2111	++timercnt;
1646	ev_start (EV_A_ (W)w, ++timercnt);	2112	ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1);
1647	array_needsize (WT, timers, timermax, timercnt, EMPTY2);	2113	array_needsize (ANHE, timers, timermax, ev_active (w) + 1, EMPTY2);
1648	timers [timercnt - 1] = (WT)w;	2114	ANHE_w (timers [ev_active (w)]) = (WT)w;
1649	upheap (timers, timercnt - 1);	2115	ANHE_at_cache (timers [ev_active (w)]);
		2116	upheap (timers, ev_active (w));
1650		2117
		2118	EV_FREQUENT_CHECK;
		2119
1651	/assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));/	2120	/assert (("internal timer heap corruption", timers [ev_active (w)] == (WT)w));/
1652	}	2121	}
1653		2122
1654	void noinline	2123	void noinline
1655	ev_timer_stop (EV_P_ ev_timer *w)	2124	ev_timer_stop (EV_P_ ev_timer *w)
1656	{	2125	{
1657	clear_pending (EV_A_ (W)w);	2126	clear_pending (EV_A_ (W)w);
1658	if (expect_false (!ev_is_active (w)))	2127	if (expect_false (!ev_is_active (w)))
1659	return;	2128	return;
1660		2129
1661	assert (("internal timer heap corruption", timers [((W)w)->active - 1] == (WT)w));	2130	EV_FREQUENT_CHECK;
1662		2131
1663	{	2132	{
1664	int active = ((W)w)->active;	2133	int active = ev_active (w);
1665		2134
		2135	assert (("internal timer heap corruption", ANHE_w (timers [active]) == (WT)w));
		2136
		2137	--timercnt;
		2138
1666	if (expect_true (--active < --timercnt))	2139	if (expect_true (active < timercnt + HEAP0))
1667	{	2140	{
1668	timers [active] = timers [timercnt];	2141	timers [active] = timers [timercnt + HEAP0];
1669	adjustheap (timers, timercnt, active);	2142	adjustheap (timers, timercnt, active);
1670	}	2143	}
1671	}	2144	}
1672		2145
1673	((WT)w)->at -= mn_now;	2146	EV_FREQUENT_CHECK;
		2147
		2148	ev_at (w) -= mn_now;
1674		2149
1675	ev_stop (EV_A_ (W)w);	2150	ev_stop (EV_A_ (W)w);
1676	}	2151	}
1677		2152
1678	void noinline	2153	void noinline
1679	ev_timer_again (EV_P_ ev_timer *w)	2154	ev_timer_again (EV_P_ ev_timer *w)
1680	{	2155	{
		2156	EV_FREQUENT_CHECK;
		2157
1681	if (ev_is_active (w))	2158	if (ev_is_active (w))
1682	{	2159	{
1683	if (w->repeat)	2160	if (w->repeat)
1684	{	2161	{
1685	((WT)w)->at = mn_now + w->repeat;	2162	ev_at (w) = mn_now + w->repeat;
		2163	ANHE_at_cache (timers [ev_active (w)]);
1686	adjustheap (timers, timercnt, ((W)w)->active - 1);	2164	adjustheap (timers, timercnt, ev_active (w));
1687	}	2165	}
1688	else	2166	else
1689	ev_timer_stop (EV_A_ w);	2167	ev_timer_stop (EV_A_ w);
1690	}	2168	}
1691	else if (w->repeat)	2169	else if (w->repeat)
1692	{	2170	{
1693	w->at = w->repeat;	2171	ev_at (w) = w->repeat;
1694	ev_timer_start (EV_A_ w);	2172	ev_timer_start (EV_A_ w);
1695	}	2173	}
		2174
		2175	EV_FREQUENT_CHECK;
1696	}	2176	}
1697		2177
1698	#if EV_PERIODIC_ENABLE	2178	#if EV_PERIODIC_ENABLE
1699	void noinline	2179	void noinline
1700	ev_periodic_start (EV_P_ ev_periodic *w)	2180	ev_periodic_start (EV_P_ ev_periodic *w)
1701	{	2181	{
1702	if (expect_false (ev_is_active (w)))	2182	if (expect_false (ev_is_active (w)))
1703	return;	2183	return;
1704		2184
1705	if (w->reschedule_cb)	2185	if (w->reschedule_cb)
1706	((WT)w)->at = w->reschedule_cb (w, ev_rt_now);	2186	ev_at (w) = w->reschedule_cb (w, ev_rt_now);
1707	else if (w->interval)	2187	else if (w->interval)
1708	{	2188	{
1709	assert (("ev_periodic_start called with negative interval value", w->interval >= 0.));	2189	assert (("ev_periodic_start called with negative interval value", w->interval >= 0.));
1710	/* this formula differs from the one in periodic_reify because we do not always round up */	2190	/* this formula differs from the one in periodic_reify because we do not always round up */
1711	((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;	2191	ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
1712	}	2192	}
1713	else	2193	else
1714	((WT)w)->at = w->offset;	2194	ev_at (w) = w->offset;
1715		2195
		2196	EV_FREQUENT_CHECK;
		2197
		2198	++periodiccnt;
1716	ev_start (EV_A_ (W)w, ++periodiccnt);	2199	ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1);
1717	array_needsize (WT, periodics, periodicmax, periodiccnt, EMPTY2);	2200	array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, EMPTY2);
1718	periodics [periodiccnt - 1] = (WT)w;	2201	ANHE_w (periodics [ev_active (w)]) = (WT)w;
1719	upheap (periodics, periodiccnt - 1);	2202	ANHE_at_cache (periodics [ev_active (w)]);
		2203	upheap (periodics, ev_active (w));
1720		2204
		2205	EV_FREQUENT_CHECK;
		2206
1721	/assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));/	2207	/assert (("internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));/
1722	}	2208	}
1723		2209
1724	void noinline	2210	void noinline
1725	ev_periodic_stop (EV_P_ ev_periodic *w)	2211	ev_periodic_stop (EV_P_ ev_periodic *w)
1726	{	2212	{
1727	clear_pending (EV_A_ (W)w);	2213	clear_pending (EV_A_ (W)w);
1728	if (expect_false (!ev_is_active (w)))	2214	if (expect_false (!ev_is_active (w)))
1729	return;	2215	return;
1730		2216
1731	assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == (WT)w));	2217	EV_FREQUENT_CHECK;
1732		2218
1733	{	2219	{
1734	int active = ((W)w)->active;	2220	int active = ev_active (w);
1735		2221
		2222	assert (("internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w));
		2223
		2224	--periodiccnt;
		2225
1736	if (expect_true (--active < --periodiccnt))	2226	if (expect_true (active < periodiccnt + HEAP0))
1737	{	2227	{
1738	periodics [active] = periodics [periodiccnt];	2228	periodics [active] = periodics [periodiccnt + HEAP0];
1739	adjustheap (periodics, periodiccnt, active);	2229	adjustheap (periodics, periodiccnt, active);
1740	}	2230	}
1741	}	2231	}
1742		2232
		2233	EV_FREQUENT_CHECK;
		2234
1743	ev_stop (EV_A_ (W)w);	2235	ev_stop (EV_A_ (W)w);
1744	}	2236	}
1745		2237
1746	void noinline	2238	void noinline
1747	ev_periodic_again (EV_P_ ev_periodic *w)	2239	ev_periodic_again (EV_P_ ev_periodic *w)
…		…
1764	#endif	2256	#endif
1765	if (expect_false (ev_is_active (w)))	2257	if (expect_false (ev_is_active (w)))
1766	return;	2258	return;
1767		2259
1768	assert (("ev_signal_start called with illegal signal number", w->signum > 0));	2260	assert (("ev_signal_start called with illegal signal number", w->signum > 0));
		2261
		2262	evpipe_init (EV_A);
		2263
		2264	EV_FREQUENT_CHECK;
1769		2265
1770	{	2266	{
1771	#ifndef _WIN32	2267	#ifndef _WIN32
1772	sigset_t full, prev;	2268	sigset_t full, prev;
1773	sigfillset (&full);	2269	sigfillset (&full);
…		…
1785	wlist_add (&signals [w->signum - 1].head, (WL)w);	2281	wlist_add (&signals [w->signum - 1].head, (WL)w);
1786		2282
1787	if (!((WL)w)->next)	2283	if (!((WL)w)->next)
1788	{	2284	{
1789	#if _WIN32	2285	#if _WIN32
1790	signal (w->signum, sighandler);	2286	signal (w->signum, ev_sighandler);
1791	#else	2287	#else
1792	struct sigaction sa;	2288	struct sigaction sa;
1793	sa.sa_handler = sighandler;	2289	sa.sa_handler = ev_sighandler;
1794	sigfillset (&sa.sa_mask);	2290	sigfillset (&sa.sa_mask);
1795	sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */	2291	sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */
1796	sigaction (w->signum, &sa, 0);	2292	sigaction (w->signum, &sa, 0);
1797	#endif	2293	#endif
1798	}	2294	}
		2295
		2296	EV_FREQUENT_CHECK;
1799	}	2297	}
1800		2298
1801	void noinline	2299	void noinline
1802	ev_signal_stop (EV_P_ ev_signal *w)	2300	ev_signal_stop (EV_P_ ev_signal *w)
1803	{	2301	{
1804	clear_pending (EV_A_ (W)w);	2302	clear_pending (EV_A_ (W)w);
1805	if (expect_false (!ev_is_active (w)))	2303	if (expect_false (!ev_is_active (w)))
1806	return;	2304	return;
1807		2305
		2306	EV_FREQUENT_CHECK;
		2307
1808	wlist_del (&signals [w->signum - 1].head, (WL)w);	2308	wlist_del (&signals [w->signum - 1].head, (WL)w);
1809	ev_stop (EV_A_ (W)w);	2309	ev_stop (EV_A_ (W)w);
1810		2310
1811	if (!signals [w->signum - 1].head)	2311	if (!signals [w->signum - 1].head)
1812	signal (w->signum, SIG_DFL);	2312	signal (w->signum, SIG_DFL);
		2313
		2314	EV_FREQUENT_CHECK;
1813	}	2315	}
1814		2316
1815	void	2317	void
1816	ev_child_start (EV_P_ ev_child *w)	2318	ev_child_start (EV_P_ ev_child *w)
1817	{	2319	{
…		…
1819	assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr));	2321	assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
1820	#endif	2322	#endif
1821	if (expect_false (ev_is_active (w)))	2323	if (expect_false (ev_is_active (w)))
1822	return;	2324	return;
1823		2325
		2326	EV_FREQUENT_CHECK;
		2327
1824	ev_start (EV_A_ (W)w, 1);	2328	ev_start (EV_A_ (W)w, 1);
1825	wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);	2329	wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);
		2330
		2331	EV_FREQUENT_CHECK;
1826	}	2332	}
1827		2333
1828	void	2334	void
1829	ev_child_stop (EV_P_ ev_child *w)	2335	ev_child_stop (EV_P_ ev_child *w)
1830	{	2336	{
1831	clear_pending (EV_A_ (W)w);	2337	clear_pending (EV_A_ (W)w);
1832	if (expect_false (!ev_is_active (w)))	2338	if (expect_false (!ev_is_active (w)))
1833	return;	2339	return;
1834		2340
		2341	EV_FREQUENT_CHECK;
		2342
1835	wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);	2343	wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);
1836	ev_stop (EV_A_ (W)w);	2344	ev_stop (EV_A_ (W)w);
		2345
		2346	EV_FREQUENT_CHECK;
1837	}	2347	}
1838		2348
1839	#if EV_STAT_ENABLE	2349	#if EV_STAT_ENABLE
1840		2350
1841	# ifdef _WIN32	2351	# ifdef _WIN32
…		…
1859	if (w->wd < 0)	2369	if (w->wd < 0)
1860	{	2370	{
1861	ev_timer_start (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */	2371	ev_timer_start (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */
1862		2372
1863	/* monitor some parent directory for speedup hints */	2373	/* monitor some parent directory for speedup hints */
		2374	/* note that exceeding the hardcoded limit is not a correctness issue, */
		2375	/* but an efficiency issue only */
1864	if ((errno == ENOENT \|\| errno == EACCES) && strlen (w->path) < 4096)	2376	if ((errno == ENOENT \|\| errno == EACCES) && strlen (w->path) < 4096)
1865	{	2377	{
1866	char path [4096];	2378	char path [4096];
1867	strcpy (path, w->path);	2379	strcpy (path, w->path);
1868		2380
…		…
2067	else	2579	else
2068	#endif	2580	#endif
2069	ev_timer_start (EV_A_ &w->timer);	2581	ev_timer_start (EV_A_ &w->timer);
2070		2582
2071	ev_start (EV_A_ (W)w, 1);	2583	ev_start (EV_A_ (W)w, 1);
		2584
		2585	EV_FREQUENT_CHECK;
2072	}	2586	}
2073		2587
2074	void	2588	void
2075	ev_stat_stop (EV_P_ ev_stat *w)	2589	ev_stat_stop (EV_P_ ev_stat *w)
2076	{	2590	{
2077	clear_pending (EV_A_ (W)w);	2591	clear_pending (EV_A_ (W)w);
2078	if (expect_false (!ev_is_active (w)))	2592	if (expect_false (!ev_is_active (w)))
2079	return;	2593	return;
2080		2594
		2595	EV_FREQUENT_CHECK;
		2596
2081	#if EV_USE_INOTIFY	2597	#if EV_USE_INOTIFY
2082	infy_del (EV_A_ w);	2598	infy_del (EV_A_ w);
2083	#endif	2599	#endif
2084	ev_timer_stop (EV_A_ &w->timer);	2600	ev_timer_stop (EV_A_ &w->timer);
2085		2601
2086	ev_stop (EV_A_ (W)w);	2602	ev_stop (EV_A_ (W)w);
		2603
		2604	EV_FREQUENT_CHECK;
2087	}	2605	}
2088	#endif	2606	#endif
2089		2607
2090	#if EV_IDLE_ENABLE	2608	#if EV_IDLE_ENABLE
2091	void	2609	void
…		…
2093	{	2611	{
2094	if (expect_false (ev_is_active (w)))	2612	if (expect_false (ev_is_active (w)))
2095	return;	2613	return;
2096		2614
2097	pri_adjust (EV_A_ (W)w);	2615	pri_adjust (EV_A_ (W)w);
		2616
		2617	EV_FREQUENT_CHECK;
2098		2618
2099	{	2619	{
2100	int active = ++idlecnt [ABSPRI (w)];	2620	int active = ++idlecnt [ABSPRI (w)];
2101		2621
2102	++idleall;	2622	++idleall;
2103	ev_start (EV_A_ (W)w, active);	2623	ev_start (EV_A_ (W)w, active);
2104		2624
2105	array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2);	2625	array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2);
2106	idles [ABSPRI (w)][active - 1] = w;	2626	idles [ABSPRI (w)][active - 1] = w;
2107	}	2627	}
		2628
		2629	EV_FREQUENT_CHECK;
2108	}	2630	}
2109		2631
2110	void	2632	void
2111	ev_idle_stop (EV_P_ ev_idle *w)	2633	ev_idle_stop (EV_P_ ev_idle *w)
2112	{	2634	{
2113	clear_pending (EV_A_ (W)w);	2635	clear_pending (EV_A_ (W)w);
2114	if (expect_false (!ev_is_active (w)))	2636	if (expect_false (!ev_is_active (w)))
2115	return;	2637	return;
2116		2638
		2639	EV_FREQUENT_CHECK;
		2640
2117	{	2641	{
2118	int active = ((W)w)->active;	2642	int active = ev_active (w);
2119		2643
2120	idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]];	2644	idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]];
2121	((W)idles [ABSPRI (w)][active - 1])->active = active;	2645	ev_active (idles [ABSPRI (w)][active - 1]) = active;
2122		2646
2123	ev_stop (EV_A_ (W)w);	2647	ev_stop (EV_A_ (W)w);
2124	--idleall;	2648	--idleall;
2125	}	2649	}
		2650
		2651	EV_FREQUENT_CHECK;
2126	}	2652	}
2127	#endif	2653	#endif
2128		2654
2129	void	2655	void
2130	ev_prepare_start (EV_P_ ev_prepare *w)	2656	ev_prepare_start (EV_P_ ev_prepare *w)
2131	{	2657	{
2132	if (expect_false (ev_is_active (w)))	2658	if (expect_false (ev_is_active (w)))
2133	return;	2659	return;
		2660
		2661	EV_FREQUENT_CHECK;
2134		2662
2135	ev_start (EV_A_ (W)w, ++preparecnt);	2663	ev_start (EV_A_ (W)w, ++preparecnt);
2136	array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2);	2664	array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2);
2137	prepares [preparecnt - 1] = w;	2665	prepares [preparecnt - 1] = w;
		2666
		2667	EV_FREQUENT_CHECK;
2138	}	2668	}
2139		2669
2140	void	2670	void
2141	ev_prepare_stop (EV_P_ ev_prepare *w)	2671	ev_prepare_stop (EV_P_ ev_prepare *w)
2142	{	2672	{
2143	clear_pending (EV_A_ (W)w);	2673	clear_pending (EV_A_ (W)w);
2144	if (expect_false (!ev_is_active (w)))	2674	if (expect_false (!ev_is_active (w)))
2145	return;	2675	return;
2146		2676
		2677	EV_FREQUENT_CHECK;
		2678
2147	{	2679	{
2148	int active = ((W)w)->active;	2680	int active = ev_active (w);
		2681
2149	prepares [active - 1] = prepares [--preparecnt];	2682	prepares [active - 1] = prepares [--preparecnt];
2150	((W)prepares [active - 1])->active = active;	2683	ev_active (prepares [active - 1]) = active;
2151	}	2684	}
2152		2685
2153	ev_stop (EV_A_ (W)w);	2686	ev_stop (EV_A_ (W)w);
		2687
		2688	EV_FREQUENT_CHECK;
2154	}	2689	}
2155		2690
2156	void	2691	void
2157	ev_check_start (EV_P_ ev_check *w)	2692	ev_check_start (EV_P_ ev_check *w)
2158	{	2693	{
2159	if (expect_false (ev_is_active (w)))	2694	if (expect_false (ev_is_active (w)))
2160	return;	2695	return;
		2696
		2697	EV_FREQUENT_CHECK;
2161		2698
2162	ev_start (EV_A_ (W)w, ++checkcnt);	2699	ev_start (EV_A_ (W)w, ++checkcnt);
2163	array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2);	2700	array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2);
2164	checks [checkcnt - 1] = w;	2701	checks [checkcnt - 1] = w;
		2702
		2703	EV_FREQUENT_CHECK;
2165	}	2704	}
2166		2705
2167	void	2706	void
2168	ev_check_stop (EV_P_ ev_check *w)	2707	ev_check_stop (EV_P_ ev_check *w)
2169	{	2708	{
2170	clear_pending (EV_A_ (W)w);	2709	clear_pending (EV_A_ (W)w);
2171	if (expect_false (!ev_is_active (w)))	2710	if (expect_false (!ev_is_active (w)))
2172	return;	2711	return;
2173		2712
		2713	EV_FREQUENT_CHECK;
		2714
2174	{	2715	{
2175	int active = ((W)w)->active;	2716	int active = ev_active (w);
		2717
2176	checks [active - 1] = checks [--checkcnt];	2718	checks [active - 1] = checks [--checkcnt];
2177	((W)checks [active - 1])->active = active;	2719	ev_active (checks [active - 1]) = active;
2178	}	2720	}
2179		2721
2180	ev_stop (EV_A_ (W)w);	2722	ev_stop (EV_A_ (W)w);
		2723
		2724	EV_FREQUENT_CHECK;
2181	}	2725	}
2182		2726
2183	#if EV_EMBED_ENABLE	2727	#if EV_EMBED_ENABLE
2184	void noinline	2728	void noinline
2185	ev_embed_sweep (EV_P_ ev_embed *w)	2729	ev_embed_sweep (EV_P_ ev_embed *w)
2186	{	2730	{
2187	ev_loop (w->loop, EVLOOP_NONBLOCK);	2731	ev_loop (w->other, EVLOOP_NONBLOCK);
2188	}	2732	}
2189		2733
2190	static void	2734	static void
2191	embed_cb (EV_P_ ev_io *io, int revents)	2735	embed_io_cb (EV_P_ ev_io *io, int revents)
2192	{	2736	{
2193	ev_embed w = (ev_embed )(((char *)io) - offsetof (ev_embed, io));	2737	ev_embed w = (ev_embed )(((char *)io) - offsetof (ev_embed, io));
2194		2738
2195	if (ev_cb (w))	2739	if (ev_cb (w))
2196	ev_feed_event (EV_A_ (W)w, EV_EMBED);	2740	ev_feed_event (EV_A_ (W)w, EV_EMBED);
2197	else	2741	else
2198	ev_embed_sweep (loop, w);	2742	ev_loop (w->other, EVLOOP_NONBLOCK);
2199	}	2743	}
		2744
		2745	static void
		2746	embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents)
		2747	{
		2748	ev_embed w = (ev_embed )(((char *)prepare) - offsetof (ev_embed, prepare));
		2749
		2750	{
		2751	struct ev_loop *loop = w->other;
		2752
		2753	while (fdchangecnt)
		2754	{
		2755	fd_reify (EV_A);
		2756	ev_loop (EV_A_ EVLOOP_NONBLOCK);
		2757	}
		2758	}
		2759	}
		2760
		2761	#if 0
		2762	static void
		2763	embed_idle_cb (EV_P_ ev_idle *idle, int revents)
		2764	{
		2765	ev_idle_stop (EV_A_ idle);
		2766	}
		2767	#endif
2200		2768
2201	void	2769	void
2202	ev_embed_start (EV_P_ ev_embed *w)	2770	ev_embed_start (EV_P_ ev_embed *w)
2203	{	2771	{
2204	if (expect_false (ev_is_active (w)))	2772	if (expect_false (ev_is_active (w)))
2205	return;	2773	return;
2206		2774
2207	{	2775	{
2208	struct ev_loop *loop = w->loop;	2776	struct ev_loop *loop = w->other;
2209	assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ()));	2777	assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ()));
2210	ev_io_init (&w->io, embed_cb, backend_fd, EV_READ);	2778	ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ);
2211	}	2779	}
		2780
		2781	EV_FREQUENT_CHECK;
2212		2782
2213	ev_set_priority (&w->io, ev_priority (w));	2783	ev_set_priority (&w->io, ev_priority (w));
2214	ev_io_start (EV_A_ &w->io);	2784	ev_io_start (EV_A_ &w->io);
2215		2785
		2786	ev_prepare_init (&w->prepare, embed_prepare_cb);
		2787	ev_set_priority (&w->prepare, EV_MINPRI);
		2788	ev_prepare_start (EV_A_ &w->prepare);
		2789
		2790	/ev_idle_init (&w->idle, e,bed_idle_cb);/
		2791
2216	ev_start (EV_A_ (W)w, 1);	2792	ev_start (EV_A_ (W)w, 1);
		2793
		2794	EV_FREQUENT_CHECK;
2217	}	2795	}
2218		2796
2219	void	2797	void
2220	ev_embed_stop (EV_P_ ev_embed *w)	2798	ev_embed_stop (EV_P_ ev_embed *w)
2221	{	2799	{
2222	clear_pending (EV_A_ (W)w);	2800	clear_pending (EV_A_ (W)w);
2223	if (expect_false (!ev_is_active (w)))	2801	if (expect_false (!ev_is_active (w)))
2224	return;	2802	return;
2225		2803
		2804	EV_FREQUENT_CHECK;
		2805
2226	ev_io_stop (EV_A_ &w->io);	2806	ev_io_stop (EV_A_ &w->io);
		2807	ev_prepare_stop (EV_A_ &w->prepare);
2227		2808
2228	ev_stop (EV_A_ (W)w);	2809	ev_stop (EV_A_ (W)w);
		2810
		2811	EV_FREQUENT_CHECK;
2229	}	2812	}
2230	#endif	2813	#endif
2231		2814
2232	#if EV_FORK_ENABLE	2815	#if EV_FORK_ENABLE
2233	void	2816	void
2234	ev_fork_start (EV_P_ ev_fork *w)	2817	ev_fork_start (EV_P_ ev_fork *w)
2235	{	2818	{
2236	if (expect_false (ev_is_active (w)))	2819	if (expect_false (ev_is_active (w)))
2237	return;	2820	return;
		2821
		2822	EV_FREQUENT_CHECK;
2238		2823
2239	ev_start (EV_A_ (W)w, ++forkcnt);	2824	ev_start (EV_A_ (W)w, ++forkcnt);
2240	array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2);	2825	array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2);
2241	forks [forkcnt - 1] = w;	2826	forks [forkcnt - 1] = w;
		2827
		2828	EV_FREQUENT_CHECK;
2242	}	2829	}
2243		2830
2244	void	2831	void
2245	ev_fork_stop (EV_P_ ev_fork *w)	2832	ev_fork_stop (EV_P_ ev_fork *w)
2246	{	2833	{
2247	clear_pending (EV_A_ (W)w);	2834	clear_pending (EV_A_ (W)w);
2248	if (expect_false (!ev_is_active (w)))	2835	if (expect_false (!ev_is_active (w)))
2249	return;	2836	return;
2250		2837
		2838	EV_FREQUENT_CHECK;
		2839
2251	{	2840	{
2252	int active = ((W)w)->active;	2841	int active = ev_active (w);
		2842
2253	forks [active - 1] = forks [--forkcnt];	2843	forks [active - 1] = forks [--forkcnt];
2254	((W)forks [active - 1])->active = active;	2844	ev_active (forks [active - 1]) = active;
2255	}	2845	}
2256		2846
2257	ev_stop (EV_A_ (W)w);	2847	ev_stop (EV_A_ (W)w);
		2848
		2849	EV_FREQUENT_CHECK;
		2850	}
		2851	#endif
		2852
		2853	#if EV_ASYNC_ENABLE
		2854	void
		2855	ev_async_start (EV_P_ ev_async *w)
		2856	{
		2857	if (expect_false (ev_is_active (w)))
		2858	return;
		2859
		2860	evpipe_init (EV_A);
		2861
		2862	EV_FREQUENT_CHECK;
		2863
		2864	ev_start (EV_A_ (W)w, ++asynccnt);
		2865	array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2);
		2866	asyncs [asynccnt - 1] = w;
		2867
		2868	EV_FREQUENT_CHECK;
		2869	}
		2870
		2871	void
		2872	ev_async_stop (EV_P_ ev_async *w)
		2873	{
		2874	clear_pending (EV_A_ (W)w);
		2875	if (expect_false (!ev_is_active (w)))
		2876	return;
		2877
		2878	EV_FREQUENT_CHECK;
		2879
		2880	{
		2881	int active = ev_active (w);
		2882
		2883	asyncs [active - 1] = asyncs [--asynccnt];
		2884	ev_active (asyncs [active - 1]) = active;
		2885	}
		2886
		2887	ev_stop (EV_A_ (W)w);
		2888
		2889	EV_FREQUENT_CHECK;
		2890	}
		2891
		2892	void
		2893	ev_async_send (EV_P_ ev_async *w)
		2894	{
		2895	w->sent = 1;
		2896	evpipe_write (EV_A_ &gotasync);
2258	}	2897	}
2259	#endif	2898	#endif
2260		2899
2261	/*****************************************************************************/	2900	/*****************************************************************************/
2262		2901
…		…
2320	ev_timer_set (&once->to, timeout, 0.);	2959	ev_timer_set (&once->to, timeout, 0.);
2321	ev_timer_start (EV_A_ &once->to);	2960	ev_timer_start (EV_A_ &once->to);
2322	}	2961	}
2323	}	2962	}
2324		2963
		2964	#if EV_MULTIPLICITY
		2965	#include "ev_wrap.h"
		2966	#endif
		2967
2325	#ifdef __cplusplus	2968	#ifdef __cplusplus
2326	}	2969	}
2327	#endif	2970	#endif
2328		2971

Diff Legend

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

Comparing libev/ev.c (file contents): Revision 1.187 by root, Sun Dec 16 21:54:28 2007 UTC vs. Revision 1.249 by root, Wed May 21 23:30:52 2008 UTC

Diff Legend

Comparing libev/ev.c (file contents):
Revision 1.187 by root, Sun Dec 16 21:54:28 2007 UTC vs.
Revision 1.249 by root, Wed May 21 23:30:52 2008 UTC