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Comparing libev/ev.c (file contents):
Revision 1.241 by root, Fri May 9 13:57:00 2008 UTC vs.
Revision 1.272 by root, Mon Nov 3 12:17:40 2008 UTC

…		…
126	# define EV_USE_EVENTFD 1	126	# define EV_USE_EVENTFD 1
127	# else	127	# else
128	# define EV_USE_EVENTFD 0	128	# define EV_USE_EVENTFD 0
129	# endif	129	# endif
130	# endif	130	# endif
131		131
132	#endif	132	#endif
133		133
134	#include <math.h>	134	#include <math.h>
135	#include <stdlib.h>	135	#include <stdlib.h>
136	#include <fcntl.h>	136	#include <fcntl.h>
…		…
154	#ifndef _WIN32	154	#ifndef _WIN32
155	# include <sys/time.h>	155	# include <sys/time.h>
156	# include <sys/wait.h>	156	# include <sys/wait.h>
157	# include <unistd.h>	157	# include <unistd.h>
158	#else	158	#else
		159	# include <io.h>
159	# define WIN32_LEAN_AND_MEAN	160	# define WIN32_LEAN_AND_MEAN
160	# include <windows.h>	161	# include <windows.h>
161	# ifndef EV_SELECT_IS_WINSOCKET	162	# ifndef EV_SELECT_IS_WINSOCKET
162	# define EV_SELECT_IS_WINSOCKET 1	163	# define EV_SELECT_IS_WINSOCKET 1
163	# endif	164	# endif
164	#endif	165	#endif
165		166
166	/* this block tries to deduce configuration from header-defined symbols and defaults */	167	/* this block tries to deduce configuration from header-defined symbols and defaults */
167		168
168	#ifndef EV_USE_MONOTONIC	169	#ifndef EV_USE_MONOTONIC
		170	# if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0
		171	# define EV_USE_MONOTONIC 1
		172	# else
169	# define EV_USE_MONOTONIC 0	173	# define EV_USE_MONOTONIC 0
		174	# endif
170	#endif	175	#endif
171		176
172	#ifndef EV_USE_REALTIME	177	#ifndef EV_USE_REALTIME
173	# define EV_USE_REALTIME 0	178	# define EV_USE_REALTIME 0
174	#endif	179	#endif
175		180
176	#ifndef EV_USE_NANOSLEEP	181	#ifndef EV_USE_NANOSLEEP
		182	# if _POSIX_C_SOURCE >= 199309L
		183	# define EV_USE_NANOSLEEP 1
		184	# else
177	# define EV_USE_NANOSLEEP 0	185	# define EV_USE_NANOSLEEP 0
		186	# endif
178	#endif	187	#endif
179		188
180	#ifndef EV_USE_SELECT	189	#ifndef EV_USE_SELECT
181	# define EV_USE_SELECT 1	190	# define EV_USE_SELECT 1
182	#endif	191	#endif
…		…
235	# else	244	# else
236	# define EV_USE_EVENTFD 0	245	# define EV_USE_EVENTFD 0
237	# endif	246	# endif
238	#endif	247	#endif
239		248
		249	#if 0 /* debugging */
		250	# define EV_VERIFY 3
		251	# define EV_USE_4HEAP 1
		252	# define EV_HEAP_CACHE_AT 1
		253	#endif
		254
		255	#ifndef EV_VERIFY
		256	# define EV_VERIFY !EV_MINIMAL
		257	#endif
		258
		259	#ifndef EV_USE_4HEAP
		260	# define EV_USE_4HEAP !EV_MINIMAL
		261	#endif
		262
		263	#ifndef EV_HEAP_CACHE_AT
		264	# define EV_HEAP_CACHE_AT !EV_MINIMAL
		265	#endif
		266
240	/* this block fixes any misconfiguration where we know we run into trouble otherwise */	267	/* this block fixes any misconfiguration where we know we run into trouble otherwise */
241		268
242	#ifndef CLOCK_MONOTONIC	269	#ifndef CLOCK_MONOTONIC
243	# undef EV_USE_MONOTONIC	270	# undef EV_USE_MONOTONIC
244	# define EV_USE_MONOTONIC 0	271	# define EV_USE_MONOTONIC 0
…		…
259	# include <sys/select.h>	286	# include <sys/select.h>
260	# endif	287	# endif
261	#endif	288	#endif
262		289
263	#if EV_USE_INOTIFY	290	#if EV_USE_INOTIFY
		291	# include <sys/utsname.h>
264	# include <sys/inotify.h>	292	# include <sys/inotify.h>
		293	/* some very old inotify.h headers don't have IN_DONT_FOLLOW */
		294	# ifndef IN_DONT_FOLLOW
		295	# undef EV_USE_INOTIFY
		296	# define EV_USE_INOTIFY 0
		297	# endif
265	#endif	298	#endif
266		299
267	#if EV_SELECT_IS_WINSOCKET	300	#if EV_SELECT_IS_WINSOCKET
268	# include <winsock.h>	301	# include <winsock.h>
269	#endif	302	#endif
…		…
279	}	312	}
280	# endif	313	# endif
281	#endif	314	#endif
282		315
283	/**/	316	/**/
		317
		318	#if EV_VERIFY >= 3
		319	# define EV_FREQUENT_CHECK ev_loop_verify (EV_A)
		320	#else
		321	# define EV_FREQUENT_CHECK do { } while (0)
		322	#endif
284		323
285	/*	324	/*
286	* This is used to avoid floating point rounding problems.	325	* This is used to avoid floating point rounding problems.
287	* It is added to ev_rt_now when scheduling periodics	326	* It is added to ev_rt_now when scheduling periodics
288	* to ensure progress, time-wise, even when rounding	327	* to ensure progress, time-wise, even when rounding
…		…
349	{	388	{
350	syserr_cb = cb;	389	syserr_cb = cb;
351	}	390	}
352		391
353	static void noinline	392	static void noinline
354	syserr (const char *msg)	393	ev_syserr (const char *msg)
355	{	394	{
356	if (!msg)	395	if (!msg)
357	msg = "(libev) system error";	396	msg = "(libev) system error";
358		397
359	if (syserr_cb)	398	if (syserr_cb)
…		…
410	typedef struct	449	typedef struct
411	{	450	{
412	WL head;	451	WL head;
413	unsigned char events;	452	unsigned char events;
414	unsigned char reify;	453	unsigned char reify;
		454	unsigned char emask; /* the epoll backend stores the actual kernel mask in here */
		455	unsigned char unused;
		456	#if EV_USE_EPOLL
		457	unsigned int egen; /* generation counter to counter epoll bugs */
		458	#endif
415	#if EV_SELECT_IS_WINSOCKET	459	#if EV_SELECT_IS_WINSOCKET
416	SOCKET handle;	460	SOCKET handle;
417	#endif	461	#endif
418	} ANFD;	462	} ANFD;
419		463
…		…
432	#endif	476	#endif
433		477
434	/* Heap Entry */	478	/* Heap Entry */
435	#if EV_HEAP_CACHE_AT	479	#if EV_HEAP_CACHE_AT
436	typedef struct {	480	typedef struct {
		481	ev_tstamp at;
437	WT w;	482	WT w;
438	ev_tstamp at;
439	} ANHE;	483	} ANHE;
440		484
441	#define ANHE_w(he) (he) /* access watcher, read-write */	485	#define ANHE_w(he) (he).w /* access watcher, read-write */
442	#define ANHE_at(he) (he)->at /* acces cahced at, read-only */	486	#define ANHE_at(he) (he).at /* access cached at, read-only */
443	#define ANHE_at_set(he) (he)->at = (he)->w->at /* update at from watcher */	487	#define ANHE_at_cache(he) (he).at = (he).w->at /* update at from watcher */
444	#else	488	#else
445	typedef WT ANHE;	489	typedef WT ANHE;
446		490
447	#define ANHE_w(he) (he)	491	#define ANHE_w(he) (he)
448	#define ANHE_at(he) (he)->at	492	#define ANHE_at(he) (he)->at
449	#define ANHE_at_set(he)	493	#define ANHE_at_cache(he)
450	#endif	494	#endif
451		495
452	#if EV_MULTIPLICITY	496	#if EV_MULTIPLICITY
453		497
454	struct ev_loop	498	struct ev_loop
…		…
532	struct timeval tv;	576	struct timeval tv;
533		577
534	tv.tv_sec = (time_t)delay;	578	tv.tv_sec = (time_t)delay;
535	tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6);	579	tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6);
536		580
		581	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */
		582	/* somehting nto guaranteed by newer posix versions, but guaranteed */
		583	/* by older ones */
537	select (0, 0, 0, 0, &tv);	584	select (0, 0, 0, 0, &tv);
538	#endif	585	#endif
539	}	586	}
540	}	587	}
541		588
…		…
568	array_realloc (int elem, void *base, int *cur, int cnt)	615	array_realloc (int elem, void *base, int *cur, int cnt)
569	{	616	{
570	*cur = array_nextsize (elem, *cur, cnt);	617	*cur = array_nextsize (elem, *cur, cnt);
571	return ev_realloc (base, elem * *cur);	618	return ev_realloc (base, elem * *cur);
572	}	619	}
		620
		621	#define array_init_zero(base,count) \
		622	memset ((void *)(base), 0, sizeof (*(base)) * (count))
573		623
574	#define array_needsize(type,base,cur,cnt,init) \	624	#define array_needsize(type,base,cur,cnt,init) \
575	if (expect_false ((cnt) > (cur))) \	625	if (expect_false ((cnt) > (cur))) \
576	{ \	626	{ \
577	int ocur_ = (cur); \	627	int ocur_ = (cur); \
…		…
621	ev_feed_event (EV_A_ events [i], type);	671	ev_feed_event (EV_A_ events [i], type);
622	}	672	}
623		673
624	/*****************************************************************************/	674	/*****************************************************************************/
625		675
626	void inline_size
627	anfds_init (ANFD *base, int count)
628	{
629	while (count--)
630	{
631	base->head = 0;
632	base->events = EV_NONE;
633	base->reify = 0;
634
635	++base;
636	}
637	}
638
639	void inline_speed	676	void inline_speed
640	fd_event (EV_P_ int fd, int revents)	677	fd_event (EV_P_ int fd, int revents)
641	{	678	{
642	ANFD *anfd = anfds + fd;	679	ANFD *anfd = anfds + fd;
643	ev_io *w;	680	ev_io *w;
…		…
675	events |= (unsigned char)w->events;	712	events |= (unsigned char)w->events;
676		713
677	#if EV_SELECT_IS_WINSOCKET	714	#if EV_SELECT_IS_WINSOCKET
678	if (events)	715	if (events)
679	{	716	{
680	unsigned long argp;	717	unsigned long arg;
681	#ifdef EV_FD_TO_WIN32_HANDLE	718	#ifdef EV_FD_TO_WIN32_HANDLE
682	anfd->handle = EV_FD_TO_WIN32_HANDLE (fd);	719	anfd->handle = EV_FD_TO_WIN32_HANDLE (fd);
683	#else	720	#else
684	anfd->handle = _get_osfhandle (fd);	721	anfd->handle = _get_osfhandle (fd);
685	#endif	722	#endif
686	assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0));	723	assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0));
687	}	724	}
688	#endif	725	#endif
689		726
690	{	727	{
691	unsigned char o_events = anfd->events;	728	unsigned char o_events = anfd->events;
…		…
744	{	781	{
745	int fd;	782	int fd;
746		783
747	for (fd = 0; fd < anfdmax; ++fd)	784	for (fd = 0; fd < anfdmax; ++fd)
748	if (anfds [fd].events)	785	if (anfds [fd].events)
749	if (!fd_valid (fd) == -1 && errno == EBADF)	786	if (!fd_valid (fd) && errno == EBADF)
750	fd_kill (EV_A_ fd);	787	fd_kill (EV_A_ fd);
751	}	788	}
752		789
753	/* called on ENOMEM in select/poll to kill some fds and retry */	790	/* called on ENOMEM in select/poll to kill some fds and retry */
754	static void noinline	791	static void noinline
…		…
772		809
773	for (fd = 0; fd < anfdmax; ++fd)	810	for (fd = 0; fd < anfdmax; ++fd)
774	if (anfds [fd].events)	811	if (anfds [fd].events)
775	{	812	{
776	anfds [fd].events = 0;	813	anfds [fd].events = 0;
		814	anfds [fd].emask = 0;
777	fd_change (EV_A_ fd, EV_IOFDSET | 1);	815	fd_change (EV_A_ fd, EV_IOFDSET | 1);
778	}	816	}
779	}	817	}
780		818
781	/*****************************************************************************/	819	/*****************************************************************************/
…		…
790	* at the moment we allow libev the luxury of two heaps,	828	* at the moment we allow libev the luxury of two heaps,
791	* a small-code-size 2-heap one and a ~1.5kb larger 4-heap	829	* a small-code-size 2-heap one and a ~1.5kb larger 4-heap
792	* which is more cache-efficient.	830	* which is more cache-efficient.
793	* the difference is about 5% with 50000+ watchers.	831	* the difference is about 5% with 50000+ watchers.
794	*/	832	*/
795	#define EV_USE_4HEAP !EV_MINIMAL
796	#if EV_USE_4HEAP	833	#if EV_USE_4HEAP
797		834
798	#define DHEAP 4	835	#define DHEAP 4
799	#define HEAP0 (DHEAP - 1) /* index of first element in heap */	836	#define HEAP0 (DHEAP - 1) /* index of first element in heap */
800		837	#define HPARENT(k) ((((k) - HEAP0 - 1) / DHEAP) + HEAP0)
801	/* towards the root */	838	#define UPHEAP_DONE(p,k) ((p) == (k))
802	void inline_speed
803	upheap (ANHE *heap, int k)
804	{
805	ANHE he = heap [k];
806
807	for (;;)
808	{
809	int p = ((k - HEAP0 - 1) / DHEAP) + HEAP0;
810
811	if (p == k || ANHE_at (heap [p]) <= ANHE_at (he))
812	break;
813
814	heap [k] = heap [p];
815	ev_active (ANHE_w (heap [k])) = k;
816	k = p;
817	}
818
819	ev_active (ANHE_w (he)) = k;
820	heap [k] = he;
821	}
822		839
823	/* away from the root */	840	/* away from the root */
824	void inline_speed	841	void inline_speed
825	downheap (ANHE *heap, int N, int k)	842	downheap (ANHE *heap, int N, int k)
826	{	843	{
…		…
829		846
830	for (;;)	847	for (;;)
831	{	848	{
832	ev_tstamp minat;	849	ev_tstamp minat;
833	ANHE *minpos;	850	ANHE *minpos;
834	ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0;	851	ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0 + 1;
835		852
836	// find minimum child	853	/* find minimum child */
837	if (expect_true (pos + DHEAP - 1 < E))	854	if (expect_true (pos + DHEAP - 1 < E))
838	{	855	{
839	/* fast path */ (minpos = pos + 0), (minat = ANHE_at (*minpos));	856	/* fast path */ (minpos = pos + 0), (minat = ANHE_at (*minpos));
840	if (ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos));	857	if ( ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos));
841	if (ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos));	858	if ( ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos));
842	if (ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos));	859	if ( ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos));
843	}	860	}
844	else if (pos < E)	861	else if (pos < E)
845	{	862	{
846	/* slow path */ (minpos = pos + 0), (minat = ANHE_at (*minpos));	863	/* slow path */ (minpos = pos + 0), (minat = ANHE_at (*minpos));
847	if (pos + 1 < E && ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos));	864	if (pos + 1 < E && ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos));
…		…
852	break;	869	break;
853		870
854	if (ANHE_at (he) <= minat)	871	if (ANHE_at (he) <= minat)
855	break;	872	break;
856		873
		874	heap [k] = *minpos;
857	ev_active (ANHE_w (*minpos)) = k;	875	ev_active (ANHE_w (*minpos)) = k;
858	heap [k] = *minpos;
859		876
860	k = minpos - heap;	877	k = minpos - heap;
861	}	878	}
862		879
		880	heap [k] = he;
863	ev_active (ANHE_w (he)) = k;	881	ev_active (ANHE_w (he)) = k;
864	heap [k] = he;
865	}	882	}
866		883
867	#else // 4HEAP	884	#else /* 4HEAP */
868		885
869	#define HEAP0 1	886	#define HEAP0 1
870		887	#define HPARENT(k) ((k) >> 1)
871	/* towards the root */	888	#define UPHEAP_DONE(p,k) (!(p))
872	void inline_speed
873	upheap (ANHE *heap, int k)
874	{
875	ANHE he = heap [k];
876
877	for (;;)
878	{
879	int p = k >> 1;
880
881	/* maybe we could use a dummy element at heap [0]? */
882	if (!p || ANHE_at (heap [p]) <= ANHE_at (he))
883	break;
884
885	heap [k] = heap [p];
886	ev_active (ANHE_w (heap [k])) = k;
887	k = p;
888	}
889
890	heap [k] = w;
891	ev_active (ANHE_w (heap [k])) = k;
892	}
893		889
894	/* away from the root */	890	/* away from the root */
895	void inline_speed	891	void inline_speed
896	downheap (ANHE *heap, int N, int k)	892	downheap (ANHE *heap, int N, int k)
897	{	893	{
…		…
899		895
900	for (;;)	896	for (;;)
901	{	897	{
902	int c = k << 1;	898	int c = k << 1;
903		899
904	if (c > N)	900	if (c > N + HEAP0 - 1)
905	break;	901	break;
906		902
907	c += c + 1 < N && ANHE_at (heap [c]) > ANHE_at (heap [c + 1])	903	c += c + 1 < N + HEAP0 && ANHE_at (heap [c]) > ANHE_at (heap [c + 1])
908	? 1 : 0;	904	? 1 : 0;
909		905
910	if (w->at <= ANHE_at (heap [c]))	906	if (ANHE_at (he) <= ANHE_at (heap [c]))
911	break;	907	break;
912		908
913	heap [k] = heap [c];	909	heap [k] = heap [c];
914	ev_active (ANHE_w (heap [k])) = k;	910	ev_active (ANHE_w (heap [k])) = k;
915		911
…		…
919	heap [k] = he;	915	heap [k] = he;
920	ev_active (ANHE_w (he)) = k;	916	ev_active (ANHE_w (he)) = k;
921	}	917	}
922	#endif	918	#endif
923		919
		920	/* towards the root */
		921	void inline_speed
		922	upheap (ANHE *heap, int k)
		923	{
		924	ANHE he = heap [k];
		925
		926	for (;;)
		927	{
		928	int p = HPARENT (k);
		929
		930	if (UPHEAP_DONE (p, k) || ANHE_at (heap [p]) <= ANHE_at (he))
		931	break;
		932
		933	heap [k] = heap [p];
		934	ev_active (ANHE_w (heap [k])) = k;
		935	k = p;
		936	}
		937
		938	heap [k] = he;
		939	ev_active (ANHE_w (he)) = k;
		940	}
		941
924	void inline_size	942	void inline_size
925	adjustheap (ANHE *heap, int N, int k)	943	adjustheap (ANHE *heap, int N, int k)
926	{	944	{
		945	if (k > HEAP0 && ANHE_at (heap [HPARENT (k)]) >= ANHE_at (heap [k]))
927	upheap (heap, k);	946	upheap (heap, k);
		947	else
928	downheap (heap, N, k);	948	downheap (heap, N, k);
		949	}
		950
		951	/* rebuild the heap: this function is used only once and executed rarely */
		952	void inline_size
		953	reheap (ANHE *heap, int N)
		954	{
		955	int i;
		956
		957	/* we don't use floyds algorithm, upheap is simpler and is more cache-efficient */
		958	/* also, this is easy to implement and correct for both 2-heaps and 4-heaps */
		959	for (i = 0; i < N; ++i)
		960	upheap (heap, i + HEAP0);
929	}	961	}
930		962
931	/*****************************************************************************/	963	/*****************************************************************************/
932		964
933	typedef struct	965	typedef struct
…		…
939	static ANSIG *signals;	971	static ANSIG *signals;
940	static int signalmax;	972	static int signalmax;
941		973
942	static EV_ATOMIC_T gotsig;	974	static EV_ATOMIC_T gotsig;
943		975
944	void inline_size
945	signals_init (ANSIG *base, int count)
946	{
947	while (count--)
948	{
949	base->head = 0;
950	base->gotsig = 0;
951
952	++base;
953	}
954	}
955
956	/*****************************************************************************/	976	/*****************************************************************************/
957		977
958	void inline_speed	978	void inline_speed
959	fd_intern (int fd)	979	fd_intern (int fd)
960	{	980	{
961	#ifdef _WIN32	981	#ifdef _WIN32
962	int arg = 1;	982	unsigned long arg = 1;
963	ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg);	983	ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg);
964	#else	984	#else
965	fcntl (fd, F_SETFD, FD_CLOEXEC);	985	fcntl (fd, F_SETFD, FD_CLOEXEC);
966	fcntl (fd, F_SETFL, O_NONBLOCK);	986	fcntl (fd, F_SETFL, O_NONBLOCK);
967	#endif	987	#endif
…		…
981	}	1001	}
982	else	1002	else
983	#endif	1003	#endif
984	{	1004	{
985	while (pipe (evpipe))	1005	while (pipe (evpipe))
986	syserr ("(libev) error creating signal/async pipe");	1006	ev_syserr ("(libev) error creating signal/async pipe");
987		1007
988	fd_intern (evpipe [0]);	1008	fd_intern (evpipe [0]);
989	fd_intern (evpipe [1]);	1009	fd_intern (evpipe [1]);
990	ev_io_set (&pipeev, evpipe [0], EV_READ);	1010	ev_io_set (&pipeev, evpipe [0], EV_READ);
991	}	1011	}
…		…
1451		1471
1452	postfork = 0;	1472	postfork = 0;
1453	}	1473	}
1454		1474
1455	#if EV_MULTIPLICITY	1475	#if EV_MULTIPLICITY
		1476
1456	struct ev_loop *	1477	struct ev_loop *
1457	ev_loop_new (unsigned int flags)	1478	ev_loop_new (unsigned int flags)
1458	{	1479	{
1459	struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));	1480	struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
1460		1481
…		…
1478	void	1499	void
1479	ev_loop_fork (EV_P)	1500	ev_loop_fork (EV_P)
1480	{	1501	{
1481	postfork = 1; /* must be in line with ev_default_fork */	1502	postfork = 1; /* must be in line with ev_default_fork */
1482	}	1503	}
		1504
		1505	#if EV_VERIFY
		1506	static void noinline
		1507	verify_watcher (EV_P_ W w)
		1508	{
		1509	assert (("watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI));
		1510
		1511	if (w->pending)
		1512	assert (("pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w));
		1513	}
		1514
		1515	static void noinline
		1516	verify_heap (EV_P_ ANHE *heap, int N)
		1517	{
		1518	int i;
		1519
		1520	for (i = HEAP0; i < N + HEAP0; ++i)
		1521	{
		1522	assert (("active index mismatch in heap", ev_active (ANHE_w (heap [i])) == i));
		1523	assert (("heap condition violated", i == HEAP0 || ANHE_at (heap [HPARENT (i)]) <= ANHE_at (heap [i])));
		1524	assert (("heap at cache mismatch", ANHE_at (heap [i]) == ev_at (ANHE_w (heap [i]))));
		1525
		1526	verify_watcher (EV_A_ (W)ANHE_w (heap [i]));
		1527	}
		1528	}
		1529
		1530	static void noinline
		1531	array_verify (EV_P_ W *ws, int cnt)
		1532	{
		1533	while (cnt--)
		1534	{
		1535	assert (("active index mismatch", ev_active (ws [cnt]) == cnt + 1));
		1536	verify_watcher (EV_A_ ws [cnt]);
		1537	}
		1538	}
		1539	#endif
		1540
		1541	void
		1542	ev_loop_verify (EV_P)
		1543	{
		1544	#if EV_VERIFY
		1545	int i;
		1546	WL w;
		1547
		1548	assert (activecnt >= -1);
		1549
		1550	assert (fdchangemax >= fdchangecnt);
		1551	for (i = 0; i < fdchangecnt; ++i)
		1552	assert (("negative fd in fdchanges", fdchanges [i] >= 0));
		1553
		1554	assert (anfdmax >= 0);
		1555	for (i = 0; i < anfdmax; ++i)
		1556	for (w = anfds [i].head; w; w = w->next)
		1557	{
		1558	verify_watcher (EV_A_ (W)w);
		1559	assert (("inactive fd watcher on anfd list", ev_active (w) == 1));
		1560	assert (("fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i));
		1561	}
		1562
		1563	assert (timermax >= timercnt);
		1564	verify_heap (EV_A_ timers, timercnt);
		1565
		1566	#if EV_PERIODIC_ENABLE
		1567	assert (periodicmax >= periodiccnt);
		1568	verify_heap (EV_A_ periodics, periodiccnt);
		1569	#endif
		1570
		1571	for (i = NUMPRI; i--; )
		1572	{
		1573	assert (pendingmax [i] >= pendingcnt [i]);
		1574	#if EV_IDLE_ENABLE
		1575	assert (idleall >= 0);
		1576	assert (idlemax [i] >= idlecnt [i]);
		1577	array_verify (EV_A_ (W *)idles [i], idlecnt [i]);
		1578	#endif
		1579	}
		1580
		1581	#if EV_FORK_ENABLE
		1582	assert (forkmax >= forkcnt);
		1583	array_verify (EV_A_ (W *)forks, forkcnt);
		1584	#endif
		1585
		1586	#if EV_ASYNC_ENABLE
		1587	assert (asyncmax >= asynccnt);
		1588	array_verify (EV_A_ (W *)asyncs, asynccnt);
		1589	#endif
		1590
		1591	assert (preparemax >= preparecnt);
		1592	array_verify (EV_A_ (W *)prepares, preparecnt);
		1593
		1594	assert (checkmax >= checkcnt);
		1595	array_verify (EV_A_ (W *)checks, checkcnt);
		1596
		1597	# if 0
		1598	for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next)
		1599	for (signum = signalmax; signum--; ) if (signals [signum].gotsig)
1483	#endif	1600	# endif
		1601	#endif
		1602	}
		1603
		1604	#endif /* multiplicity */
1484		1605
1485	#if EV_MULTIPLICITY	1606	#if EV_MULTIPLICITY
1486	struct ev_loop *	1607	struct ev_loop *
1487	ev_default_loop_init (unsigned int flags)	1608	ev_default_loop_init (unsigned int flags)
1488	#else	1609	#else
…		…
1521	{	1642	{
1522	#if EV_MULTIPLICITY	1643	#if EV_MULTIPLICITY
1523	struct ev_loop *loop = ev_default_loop_ptr;	1644	struct ev_loop *loop = ev_default_loop_ptr;
1524	#endif	1645	#endif
1525		1646
		1647	ev_default_loop_ptr = 0;
		1648
1526	#ifndef _WIN32	1649	#ifndef _WIN32
1527	ev_ref (EV_A); /* child watcher */	1650	ev_ref (EV_A); /* child watcher */
1528	ev_signal_stop (EV_A_ &childev);	1651	ev_signal_stop (EV_A_ &childev);
1529	#endif	1652	#endif
1530		1653
…		…
1536	{	1659	{
1537	#if EV_MULTIPLICITY	1660	#if EV_MULTIPLICITY
1538	struct ev_loop *loop = ev_default_loop_ptr;	1661	struct ev_loop *loop = ev_default_loop_ptr;
1539	#endif	1662	#endif
1540		1663
1541	if (backend)
1542	postfork = 1; /* must be in line with ev_loop_fork */	1664	postfork = 1; /* must be in line with ev_loop_fork */
1543	}	1665	}
1544		1666
1545	/*****************************************************************************/	1667	/*****************************************************************************/
1546		1668
1547	void	1669	void
…		…
1564	{	1686	{
1565	/*assert (("non-pending watcher on pending list", p->w->pending));*/	1687	/*assert (("non-pending watcher on pending list", p->w->pending));*/
1566		1688
1567	p->w->pending = 0;	1689	p->w->pending = 0;
1568	EV_CB_INVOKE (p->w, p->events);	1690	EV_CB_INVOKE (p->w, p->events);
		1691	EV_FREQUENT_CHECK;
1569	}	1692	}
1570	}	1693	}
1571	}	1694	}
1572		1695
1573	#if EV_IDLE_ENABLE	1696	#if EV_IDLE_ENABLE
…		…
1594	#endif	1717	#endif
1595		1718
1596	void inline_size	1719	void inline_size
1597	timers_reify (EV_P)	1720	timers_reify (EV_P)
1598	{	1721	{
		1722	EV_FREQUENT_CHECK;
		1723
1599	while (timercnt && ANHE_at (timers [HEAP0]) <= mn_now)	1724	while (timercnt && ANHE_at (timers [HEAP0]) < mn_now)
1600	{	1725	{
1601	ev_timer *w = (ev_timer *)ANHE_w (timers [HEAP0]);	1726	ev_timer *w = (ev_timer *)ANHE_w (timers [HEAP0]);
1602		1727
1603	/*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/	1728	/*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/
1604		1729
1605	/* first reschedule or stop timer */	1730	/* first reschedule or stop timer */
1606	if (w->repeat)	1731	if (w->repeat)
1607	{	1732	{
1608	assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));
1609
1610	ev_at (w) += w->repeat;	1733	ev_at (w) += w->repeat;
1611	if (ev_at (w) < mn_now)	1734	if (ev_at (w) < mn_now)
1612	ev_at (w) = mn_now;	1735	ev_at (w) = mn_now;
1613		1736
		1737	assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));
		1738
		1739	ANHE_at_cache (timers [HEAP0]);
1614	downheap (timers, timercnt, HEAP0);	1740	downheap (timers, timercnt, HEAP0);
1615	}	1741	}
1616	else	1742	else
1617	ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */	1743	ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */
1618		1744
		1745	EV_FREQUENT_CHECK;
1619	ev_feed_event (EV_A_ (W)w, EV_TIMEOUT);	1746	ev_feed_event (EV_A_ (W)w, EV_TIMEOUT);
1620	}	1747	}
1621	}	1748	}
1622		1749
1623	#if EV_PERIODIC_ENABLE	1750	#if EV_PERIODIC_ENABLE
1624	void inline_size	1751	void inline_size
1625	periodics_reify (EV_P)	1752	periodics_reify (EV_P)
1626	{	1753	{
		1754	EV_FREQUENT_CHECK;
		1755
1627	while (periodiccnt && ANHE_at (periodics [HEAP0]) <= ev_rt_now)	1756	while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)
1628	{	1757	{
1629	ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]);	1758	ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]);
1630		1759
1631	/*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/	1760	/*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/
1632		1761
1633	/* first reschedule or stop timer */	1762	/* first reschedule or stop timer */
1634	if (w->reschedule_cb)	1763	if (w->reschedule_cb)
1635	{	1764	{
1636	ev_at (w) = w->reschedule_cb (w, ev_rt_now + TIME_EPSILON);	1765	ev_at (w) = w->reschedule_cb (w, ev_rt_now);
		1766
1637	assert (("ev_periodic reschedule callback returned time in the past", ev_at (w) > ev_rt_now));	1767	assert (("ev_periodic reschedule callback returned time in the past", ev_at (w) >= ev_rt_now));
		1768
		1769	ANHE_at_cache (periodics [HEAP0]);
1638	downheap (periodics, periodiccnt, 1);	1770	downheap (periodics, periodiccnt, HEAP0);
1639	}	1771	}
1640	else if (w->interval)	1772	else if (w->interval)
1641	{	1773	{
1642	ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;	1774	ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
		1775	/* if next trigger time is not sufficiently in the future, put it there */
		1776	/* this might happen because of floating point inexactness */
1643	if (ev_at (w) - ev_rt_now <= TIME_EPSILON) ev_at (w) += w->interval;	1777	if (ev_at (w) - ev_rt_now < TIME_EPSILON)
1644	assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ev_at (w) > ev_rt_now));	1778	{
		1779	ev_at (w) += w->interval;
		1780
		1781	/* if interval is unreasonably low we might still have a time in the past */
		1782	/* so correct this. this will make the periodic very inexact, but the user */
		1783	/* has effectively asked to get triggered more often than possible */
		1784	if (ev_at (w) < ev_rt_now)
		1785	ev_at (w) = ev_rt_now;
		1786	}
		1787
		1788	ANHE_at_cache (periodics [HEAP0]);
1645	downheap (periodics, periodiccnt, HEAP0);	1789	downheap (periodics, periodiccnt, HEAP0);
1646	}	1790	}
1647	else	1791	else
1648	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */	1792	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */
1649		1793
		1794	EV_FREQUENT_CHECK;
1650	ev_feed_event (EV_A_ (W)w, EV_PERIODIC);	1795	ev_feed_event (EV_A_ (W)w, EV_PERIODIC);
1651	}	1796	}
1652	}	1797	}
1653		1798
1654	static void noinline	1799	static void noinline
…		…
1663		1808
1664	if (w->reschedule_cb)	1809	if (w->reschedule_cb)
1665	ev_at (w) = w->reschedule_cb (w, ev_rt_now);	1810	ev_at (w) = w->reschedule_cb (w, ev_rt_now);
1666	else if (w->interval)	1811	else if (w->interval)
1667	ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;	1812	ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
1668	}
1669		1813
1670	/* now rebuild the heap, this for the 2-heap, inefficient for the 4-heap, but correct */	1814	ANHE_at_cache (periodics [i]);
1671	for (i = periodiccnt >> 1; --i; )	1815	}
		1816
1672	downheap (periodics, periodiccnt, i + HEAP0);	1817	reheap (periodics, periodiccnt);
1673	}	1818	}
1674	#endif	1819	#endif
1675		1820
1676	void inline_speed	1821	void inline_speed
1677	time_update (EV_P_ ev_tstamp max_block)	1822	time_update (EV_P_ ev_tstamp max_block)
…		…
1735	/* adjust timers. this is easy, as the offset is the same for all of them */	1880	/* adjust timers. this is easy, as the offset is the same for all of them */
1736	for (i = 0; i < timercnt; ++i)	1881	for (i = 0; i < timercnt; ++i)
1737	{	1882	{
1738	ANHE *he = timers + i + HEAP0;	1883	ANHE *he = timers + i + HEAP0;
1739	ANHE_w (*he)->at += ev_rt_now - mn_now;	1884	ANHE_w (*he)->at += ev_rt_now - mn_now;
1740	ANHE_at_set (*he);	1885	ANHE_at_cache (*he);
1741	}	1886	}
1742	}	1887	}
1743		1888
1744	mn_now = ev_rt_now;	1889	mn_now = ev_rt_now;
1745	}	1890	}
…		…
1755	ev_unref (EV_P)	1900	ev_unref (EV_P)
1756	{	1901	{
1757	--activecnt;	1902	--activecnt;
1758	}	1903	}
1759		1904
		1905	void
		1906	ev_now_update (EV_P)
		1907	{
		1908	time_update (EV_A_ 1e100);
		1909	}
		1910
1760	static int loop_done;	1911	static int loop_done;
1761		1912
1762	void	1913	void
1763	ev_loop (EV_P_ int flags)	1914	ev_loop (EV_P_ int flags)
1764	{	1915	{
…		…
1766		1917
1767	call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */	1918	call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */
1768		1919
1769	do	1920	do
1770	{	1921	{
		1922	#if EV_VERIFY >= 2
		1923	ev_loop_verify (EV_A);
		1924	#endif
		1925
1771	#ifndef _WIN32	1926	#ifndef _WIN32
1772	if (expect_false (curpid)) /* penalise the forking check even more */	1927	if (expect_false (curpid)) /* penalise the forking check even more */
1773	if (expect_false (getpid () != curpid))	1928	if (expect_false (getpid () != curpid))
1774	{	1929	{
1775	curpid = getpid ();	1930	curpid = getpid ();
…		…
1969		2124
1970	if (expect_false (ev_is_active (w)))	2125	if (expect_false (ev_is_active (w)))
1971	return;	2126	return;
1972		2127
1973	assert (("ev_io_start called with negative fd", fd >= 0));	2128	assert (("ev_io_start called with negative fd", fd >= 0));
		2129	assert (("ev_io start called with illegal event mask", !(w->events & ~(EV_IOFDSET | EV_READ | EV_WRITE))));
		2130
		2131	EV_FREQUENT_CHECK;
1974		2132
1975	ev_start (EV_A_ (W)w, 1);	2133	ev_start (EV_A_ (W)w, 1);
1976	array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init);	2134	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);
1977	wlist_add (&anfds[fd].head, (WL)w);	2135	wlist_add (&anfds[fd].head, (WL)w);
1978		2136
1979	fd_change (EV_A_ fd, w->events & EV_IOFDSET | 1);	2137	fd_change (EV_A_ fd, w->events & EV_IOFDSET | 1);
1980	w->events &= ~EV_IOFDSET;	2138	w->events &= ~EV_IOFDSET;
		2139
		2140	EV_FREQUENT_CHECK;
1981	}	2141	}
1982		2142
1983	void noinline	2143	void noinline
1984	ev_io_stop (EV_P_ ev_io *w)	2144	ev_io_stop (EV_P_ ev_io *w)
1985	{	2145	{
1986	clear_pending (EV_A_ (W)w);	2146	clear_pending (EV_A_ (W)w);
1987	if (expect_false (!ev_is_active (w)))	2147	if (expect_false (!ev_is_active (w)))
1988	return;	2148	return;
1989		2149
1990	assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));	2150	assert (("ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));
		2151
		2152	EV_FREQUENT_CHECK;
1991		2153
1992	wlist_del (&anfds[w->fd].head, (WL)w);	2154	wlist_del (&anfds[w->fd].head, (WL)w);
1993	ev_stop (EV_A_ (W)w);	2155	ev_stop (EV_A_ (W)w);
1994		2156
1995	fd_change (EV_A_ w->fd, 1);	2157	fd_change (EV_A_ w->fd, 1);
		2158
		2159	EV_FREQUENT_CHECK;
1996	}	2160	}
1997		2161
1998	void noinline	2162	void noinline
1999	ev_timer_start (EV_P_ ev_timer *w)	2163	ev_timer_start (EV_P_ ev_timer *w)
2000	{	2164	{
…		…
2003		2167
2004	ev_at (w) += mn_now;	2168	ev_at (w) += mn_now;
2005		2169
2006	assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));	2170	assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));
2007		2171
		2172	EV_FREQUENT_CHECK;
		2173
		2174	++timercnt;
2008	ev_start (EV_A_ (W)w, ++timercnt + HEAP0 - 1);	2175	ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1);
2009	array_needsize (ANHE, timers, timermax, ev_active (w) + 1, EMPTY2);	2176	array_needsize (ANHE, timers, timermax, ev_active (w) + 1, EMPTY2);
2010	ANHE_w (timers [ev_active (w)]) = (WT)w;	2177	ANHE_w (timers [ev_active (w)]) = (WT)w;
2011	ANHE_at_set (timers [ev_active (w)]);	2178	ANHE_at_cache (timers [ev_active (w)]);
2012	upheap (timers, ev_active (w));	2179	upheap (timers, ev_active (w));
2013		2180
		2181	EV_FREQUENT_CHECK;
		2182
2014	/*assert (("internal timer heap corruption", timers [ev_active (w)] == w));*/	2183	/*assert (("internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
2015	}	2184	}
2016		2185
2017	void noinline	2186	void noinline
2018	ev_timer_stop (EV_P_ ev_timer *w)	2187	ev_timer_stop (EV_P_ ev_timer *w)
2019	{	2188	{
2020	clear_pending (EV_A_ (W)w);	2189	clear_pending (EV_A_ (W)w);
2021	if (expect_false (!ev_is_active (w)))	2190	if (expect_false (!ev_is_active (w)))
2022	return;	2191	return;
2023		2192
		2193	EV_FREQUENT_CHECK;
		2194
2024	{	2195	{
2025	int active = ev_active (w);	2196	int active = ev_active (w);
2026		2197
2027	assert (("internal timer heap corruption", ANHE_w (timers [active]) == (WT)w));	2198	assert (("internal timer heap corruption", ANHE_w (timers [active]) == (WT)w));
2028		2199
		2200	--timercnt;
		2201
2029	if (expect_true (active < timercnt + HEAP0 - 1))	2202	if (expect_true (active < timercnt + HEAP0))
2030	{	2203	{
2031	timers [active] = timers [timercnt + HEAP0 - 1];	2204	timers [active] = timers [timercnt + HEAP0];
2032	adjustheap (timers, timercnt, active);	2205	adjustheap (timers, timercnt, active);
2033	}	2206	}
2034
2035	--timercnt;
2036	}	2207	}
		2208
		2209	EV_FREQUENT_CHECK;
2037		2210
2038	ev_at (w) -= mn_now;	2211	ev_at (w) -= mn_now;
2039		2212
2040	ev_stop (EV_A_ (W)w);	2213	ev_stop (EV_A_ (W)w);
2041	}	2214	}
2042		2215
2043	void noinline	2216	void noinline
2044	ev_timer_again (EV_P_ ev_timer *w)	2217	ev_timer_again (EV_P_ ev_timer *w)
2045	{	2218	{
		2219	EV_FREQUENT_CHECK;
		2220
2046	if (ev_is_active (w))	2221	if (ev_is_active (w))
2047	{	2222	{
2048	if (w->repeat)	2223	if (w->repeat)
2049	{	2224	{
2050	ev_at (w) = mn_now + w->repeat;	2225	ev_at (w) = mn_now + w->repeat;
2051	ANHE_at_set (timers [ev_active (w)]);	2226	ANHE_at_cache (timers [ev_active (w)]);
2052	adjustheap (timers, timercnt, ev_active (w));	2227	adjustheap (timers, timercnt, ev_active (w));
2053	}	2228	}
2054	else	2229	else
2055	ev_timer_stop (EV_A_ w);	2230	ev_timer_stop (EV_A_ w);
2056	}	2231	}
2057	else if (w->repeat)	2232	else if (w->repeat)
2058	{	2233	{
2059	ev_at (w) = w->repeat;	2234	ev_at (w) = w->repeat;
2060	ev_timer_start (EV_A_ w);	2235	ev_timer_start (EV_A_ w);
2061	}	2236	}
		2237
		2238	EV_FREQUENT_CHECK;
2062	}	2239	}
2063		2240
2064	#if EV_PERIODIC_ENABLE	2241	#if EV_PERIODIC_ENABLE
2065	void noinline	2242	void noinline
2066	ev_periodic_start (EV_P_ ev_periodic *w)	2243	ev_periodic_start (EV_P_ ev_periodic *w)
…		…
2077	ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;	2254	ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
2078	}	2255	}
2079	else	2256	else
2080	ev_at (w) = w->offset;	2257	ev_at (w) = w->offset;
2081		2258
		2259	EV_FREQUENT_CHECK;
		2260
		2261	++periodiccnt;
2082	ev_start (EV_A_ (W)w, ++periodiccnt + HEAP0 - 1);	2262	ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1);
2083	array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, EMPTY2);	2263	array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, EMPTY2);
2084	ANHE_w (periodics [ev_active (w)]) = (WT)w;	2264	ANHE_w (periodics [ev_active (w)]) = (WT)w;
		2265	ANHE_at_cache (periodics [ev_active (w)]);
2085	upheap (periodics, ev_active (w));	2266	upheap (periodics, ev_active (w));
		2267
		2268	EV_FREQUENT_CHECK;
2086		2269
2087	/*assert (("internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/	2270	/*assert (("internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
2088	}	2271	}
2089		2272
2090	void noinline	2273	void noinline
…		…
2092	{	2275	{
2093	clear_pending (EV_A_ (W)w);	2276	clear_pending (EV_A_ (W)w);
2094	if (expect_false (!ev_is_active (w)))	2277	if (expect_false (!ev_is_active (w)))
2095	return;	2278	return;
2096		2279
		2280	EV_FREQUENT_CHECK;
		2281
2097	{	2282	{
2098	int active = ev_active (w);	2283	int active = ev_active (w);
2099		2284
2100	assert (("internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w));	2285	assert (("internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w));
2101		2286
		2287	--periodiccnt;
		2288
2102	if (expect_true (active < periodiccnt + HEAP0 - 1))	2289	if (expect_true (active < periodiccnt + HEAP0))
2103	{	2290	{
2104	periodics [active] = periodics [periodiccnt + HEAP0 - 1];	2291	periodics [active] = periodics [periodiccnt + HEAP0];
2105	adjustheap (periodics, periodiccnt, active);	2292	adjustheap (periodics, periodiccnt, active);
2106	}	2293	}
2107
2108	--periodiccnt;
2109	}	2294	}
		2295
		2296	EV_FREQUENT_CHECK;
2110		2297
2111	ev_stop (EV_A_ (W)w);	2298	ev_stop (EV_A_ (W)w);
2112	}	2299	}
2113		2300
2114	void noinline	2301	void noinline
…		…
2134	return;	2321	return;
2135		2322
2136	assert (("ev_signal_start called with illegal signal number", w->signum > 0));	2323	assert (("ev_signal_start called with illegal signal number", w->signum > 0));
2137		2324
2138	evpipe_init (EV_A);	2325	evpipe_init (EV_A);
		2326
		2327	EV_FREQUENT_CHECK;
2139		2328
2140	{	2329	{
2141	#ifndef _WIN32	2330	#ifndef _WIN32
2142	sigset_t full, prev;	2331	sigset_t full, prev;
2143	sigfillset (&full);	2332	sigfillset (&full);
2144	sigprocmask (SIG_SETMASK, &full, &prev);	2333	sigprocmask (SIG_SETMASK, &full, &prev);
2145	#endif	2334	#endif
2146		2335
2147	array_needsize (ANSIG, signals, signalmax, w->signum, signals_init);	2336	array_needsize (ANSIG, signals, signalmax, w->signum, array_init_zero);
2148		2337
2149	#ifndef _WIN32	2338	#ifndef _WIN32
2150	sigprocmask (SIG_SETMASK, &prev, 0);	2339	sigprocmask (SIG_SETMASK, &prev, 0);
2151	#endif	2340	#endif
2152	}	2341	}
…		…
2164	sigfillset (&sa.sa_mask);	2353	sigfillset (&sa.sa_mask);
2165	sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */	2354	sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */
2166	sigaction (w->signum, &sa, 0);	2355	sigaction (w->signum, &sa, 0);
2167	#endif	2356	#endif
2168	}	2357	}
		2358
		2359	EV_FREQUENT_CHECK;
2169	}	2360	}
2170		2361
2171	void noinline	2362	void noinline
2172	ev_signal_stop (EV_P_ ev_signal *w)	2363	ev_signal_stop (EV_P_ ev_signal *w)
2173	{	2364	{
2174	clear_pending (EV_A_ (W)w);	2365	clear_pending (EV_A_ (W)w);
2175	if (expect_false (!ev_is_active (w)))	2366	if (expect_false (!ev_is_active (w)))
2176	return;	2367	return;
2177		2368
		2369	EV_FREQUENT_CHECK;
		2370
2178	wlist_del (&signals [w->signum - 1].head, (WL)w);	2371	wlist_del (&signals [w->signum - 1].head, (WL)w);
2179	ev_stop (EV_A_ (W)w);	2372	ev_stop (EV_A_ (W)w);
2180		2373
2181	if (!signals [w->signum - 1].head)	2374	if (!signals [w->signum - 1].head)
2182	signal (w->signum, SIG_DFL);	2375	signal (w->signum, SIG_DFL);
		2376
		2377	EV_FREQUENT_CHECK;
2183	}	2378	}
2184		2379
2185	void	2380	void
2186	ev_child_start (EV_P_ ev_child *w)	2381	ev_child_start (EV_P_ ev_child *w)
2187	{	2382	{
…		…
2189	assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr));	2384	assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
2190	#endif	2385	#endif
2191	if (expect_false (ev_is_active (w)))	2386	if (expect_false (ev_is_active (w)))
2192	return;	2387	return;
2193		2388
		2389	EV_FREQUENT_CHECK;
		2390
2194	ev_start (EV_A_ (W)w, 1);	2391	ev_start (EV_A_ (W)w, 1);
2195	wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);	2392	wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);
		2393
		2394	EV_FREQUENT_CHECK;
2196	}	2395	}
2197		2396
2198	void	2397	void
2199	ev_child_stop (EV_P_ ev_child *w)	2398	ev_child_stop (EV_P_ ev_child *w)
2200	{	2399	{
2201	clear_pending (EV_A_ (W)w);	2400	clear_pending (EV_A_ (W)w);
2202	if (expect_false (!ev_is_active (w)))	2401	if (expect_false (!ev_is_active (w)))
2203	return;	2402	return;
2204		2403
		2404	EV_FREQUENT_CHECK;
		2405
2205	wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);	2406	wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);
2206	ev_stop (EV_A_ (W)w);	2407	ev_stop (EV_A_ (W)w);
		2408
		2409	EV_FREQUENT_CHECK;
2207	}	2410	}
2208		2411
2209	#if EV_STAT_ENABLE	2412	#if EV_STAT_ENABLE
2210		2413
2211	# ifdef _WIN32	2414	# ifdef _WIN32
…		…
2229	if (w->wd < 0)	2432	if (w->wd < 0)
2230	{	2433	{
2231	ev_timer_start (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */	2434	ev_timer_start (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */
2232		2435
2233	/* monitor some parent directory for speedup hints */	2436	/* monitor some parent directory for speedup hints */
2234	/* note that exceeding the hardcoded limit is not a correctness issue, */	2437	/* note that exceeding the hardcoded path limit is not a correctness issue, */
2235	/* but an efficiency issue only */	2438	/* but an efficiency issue only */
2236	if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096)	2439	if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096)
2237	{	2440	{
2238	char path [4096];	2441	char path [4096];
2239	strcpy (path, w->path);	2442	strcpy (path, w->path);
…		…
2280		2483
2281	static void noinline	2484	static void noinline
2282	infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)	2485	infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)
2283	{	2486	{
2284	if (slot < 0)	2487	if (slot < 0)
2285	/* overflow, need to check for all hahs slots */	2488	/* overflow, need to check for all hash slots */
2286	for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot)	2489	for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot)
2287	infy_wd (EV_A_ slot, wd, ev);	2490	infy_wd (EV_A_ slot, wd, ev);
2288	else	2491	else
2289	{	2492	{
2290	WL w_;	2493	WL w_;
…		…
2324	infy_init (EV_P)	2527	infy_init (EV_P)
2325	{	2528	{
2326	if (fs_fd != -2)	2529	if (fs_fd != -2)
2327	return;	2530	return;
2328		2531
		2532	/* kernels < 2.6.25 are borked
		2533	* http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html
		2534	*/
		2535	{
		2536	struct utsname buf;
		2537	int major, minor, micro;
		2538
		2539	fs_fd = -1;
		2540
		2541	if (uname (&buf))
		2542	return;
		2543
		2544	if (sscanf (buf.release, "%d.%d.%d", &major, &minor, &micro) != 3)
		2545	return;
		2546
		2547	if (major < 2
		2548	|| (major == 2 && minor < 6)
		2549	|| (major == 2 && minor == 6 && micro < 25))
		2550	return;
		2551	}
		2552
2329	fs_fd = inotify_init ();	2553	fs_fd = inotify_init ();
2330		2554
2331	if (fs_fd >= 0)	2555	if (fs_fd >= 0)
2332	{	2556	{
2333	ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ);	2557	ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ);
…		…
2362	if (fs_fd >= 0)	2586	if (fs_fd >= 0)
2363	infy_add (EV_A_ w); /* re-add, no matter what */	2587	infy_add (EV_A_ w); /* re-add, no matter what */
2364	else	2588	else
2365	ev_timer_start (EV_A_ &w->timer);	2589	ev_timer_start (EV_A_ &w->timer);
2366	}	2590	}
2367
2368	}	2591	}
2369	}	2592	}
2370		2593
		2594	#endif
		2595
		2596	#ifdef _WIN32
		2597	# define EV_LSTAT(p,b) _stati64 (p, b)
		2598	#else
		2599	# define EV_LSTAT(p,b) lstat (p, b)
2371	#endif	2600	#endif
2372		2601
2373	void	2602	void
2374	ev_stat_stat (EV_P_ ev_stat *w)	2603	ev_stat_stat (EV_P_ ev_stat *w)
2375	{	2604	{
…		…
2402	|| w->prev.st_atime != w->attr.st_atime	2631	|| w->prev.st_atime != w->attr.st_atime
2403	|| w->prev.st_mtime != w->attr.st_mtime	2632	|| w->prev.st_mtime != w->attr.st_mtime
2404	|| w->prev.st_ctime != w->attr.st_ctime	2633	|| w->prev.st_ctime != w->attr.st_ctime
2405	) {	2634	) {
2406	#if EV_USE_INOTIFY	2635	#if EV_USE_INOTIFY
		2636	if (fs_fd >= 0)
		2637	{
2407	infy_del (EV_A_ w);	2638	infy_del (EV_A_ w);
2408	infy_add (EV_A_ w);	2639	infy_add (EV_A_ w);
2409	ev_stat_stat (EV_A_ w); /* avoid race... */	2640	ev_stat_stat (EV_A_ w); /* avoid race... */
		2641	}
2410	#endif	2642	#endif
2411		2643
2412	ev_feed_event (EV_A_ w, EV_STAT);	2644	ev_feed_event (EV_A_ w, EV_STAT);
2413	}	2645	}
2414	}	2646	}
…		…
2439	else	2671	else
2440	#endif	2672	#endif
2441	ev_timer_start (EV_A_ &w->timer);	2673	ev_timer_start (EV_A_ &w->timer);
2442		2674
2443	ev_start (EV_A_ (W)w, 1);	2675	ev_start (EV_A_ (W)w, 1);
		2676
		2677	EV_FREQUENT_CHECK;
2444	}	2678	}
2445		2679
2446	void	2680	void
2447	ev_stat_stop (EV_P_ ev_stat *w)	2681	ev_stat_stop (EV_P_ ev_stat *w)
2448	{	2682	{
2449	clear_pending (EV_A_ (W)w);	2683	clear_pending (EV_A_ (W)w);
2450	if (expect_false (!ev_is_active (w)))	2684	if (expect_false (!ev_is_active (w)))
2451	return;	2685	return;
2452		2686
		2687	EV_FREQUENT_CHECK;
		2688
2453	#if EV_USE_INOTIFY	2689	#if EV_USE_INOTIFY
2454	infy_del (EV_A_ w);	2690	infy_del (EV_A_ w);
2455	#endif	2691	#endif
2456	ev_timer_stop (EV_A_ &w->timer);	2692	ev_timer_stop (EV_A_ &w->timer);
2457		2693
2458	ev_stop (EV_A_ (W)w);	2694	ev_stop (EV_A_ (W)w);
		2695
		2696	EV_FREQUENT_CHECK;
2459	}	2697	}
2460	#endif	2698	#endif
2461		2699
2462	#if EV_IDLE_ENABLE	2700	#if EV_IDLE_ENABLE
2463	void	2701	void
…		…
2465	{	2703	{
2466	if (expect_false (ev_is_active (w)))	2704	if (expect_false (ev_is_active (w)))
2467	return;	2705	return;
2468		2706
2469	pri_adjust (EV_A_ (W)w);	2707	pri_adjust (EV_A_ (W)w);
		2708
		2709	EV_FREQUENT_CHECK;
2470		2710
2471	{	2711	{
2472	int active = ++idlecnt [ABSPRI (w)];	2712	int active = ++idlecnt [ABSPRI (w)];
2473		2713
2474	++idleall;	2714	++idleall;
2475	ev_start (EV_A_ (W)w, active);	2715	ev_start (EV_A_ (W)w, active);
2476		2716
2477	array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2);	2717	array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2);
2478	idles [ABSPRI (w)][active - 1] = w;	2718	idles [ABSPRI (w)][active - 1] = w;
2479	}	2719	}
		2720
		2721	EV_FREQUENT_CHECK;
2480	}	2722	}
2481		2723
2482	void	2724	void
2483	ev_idle_stop (EV_P_ ev_idle *w)	2725	ev_idle_stop (EV_P_ ev_idle *w)
2484	{	2726	{
2485	clear_pending (EV_A_ (W)w);	2727	clear_pending (EV_A_ (W)w);
2486	if (expect_false (!ev_is_active (w)))	2728	if (expect_false (!ev_is_active (w)))
2487	return;	2729	return;
2488		2730
		2731	EV_FREQUENT_CHECK;
		2732
2489	{	2733	{
2490	int active = ev_active (w);	2734	int active = ev_active (w);
2491		2735
2492	idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]];	2736	idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]];
2493	ev_active (idles [ABSPRI (w)][active - 1]) = active;	2737	ev_active (idles [ABSPRI (w)][active - 1]) = active;
2494		2738
2495	ev_stop (EV_A_ (W)w);	2739	ev_stop (EV_A_ (W)w);
2496	--idleall;	2740	--idleall;
2497	}	2741	}
		2742
		2743	EV_FREQUENT_CHECK;
2498	}	2744	}
2499	#endif	2745	#endif
2500		2746
2501	void	2747	void
2502	ev_prepare_start (EV_P_ ev_prepare *w)	2748	ev_prepare_start (EV_P_ ev_prepare *w)
2503	{	2749	{
2504	if (expect_false (ev_is_active (w)))	2750	if (expect_false (ev_is_active (w)))
2505	return;	2751	return;
		2752
		2753	EV_FREQUENT_CHECK;
2506		2754
2507	ev_start (EV_A_ (W)w, ++preparecnt);	2755	ev_start (EV_A_ (W)w, ++preparecnt);
2508	array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2);	2756	array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2);
2509	prepares [preparecnt - 1] = w;	2757	prepares [preparecnt - 1] = w;
		2758
		2759	EV_FREQUENT_CHECK;
2510	}	2760	}
2511		2761
2512	void	2762	void
2513	ev_prepare_stop (EV_P_ ev_prepare *w)	2763	ev_prepare_stop (EV_P_ ev_prepare *w)
2514	{	2764	{
2515	clear_pending (EV_A_ (W)w);	2765	clear_pending (EV_A_ (W)w);
2516	if (expect_false (!ev_is_active (w)))	2766	if (expect_false (!ev_is_active (w)))
2517	return;	2767	return;
2518		2768
		2769	EV_FREQUENT_CHECK;
		2770
2519	{	2771	{
2520	int active = ev_active (w);	2772	int active = ev_active (w);
2521		2773
2522	prepares [active - 1] = prepares [--preparecnt];	2774	prepares [active - 1] = prepares [--preparecnt];
2523	ev_active (prepares [active - 1]) = active;	2775	ev_active (prepares [active - 1]) = active;
2524	}	2776	}
2525		2777
2526	ev_stop (EV_A_ (W)w);	2778	ev_stop (EV_A_ (W)w);
		2779
		2780	EV_FREQUENT_CHECK;
2527	}	2781	}
2528		2782
2529	void	2783	void
2530	ev_check_start (EV_P_ ev_check *w)	2784	ev_check_start (EV_P_ ev_check *w)
2531	{	2785	{
2532	if (expect_false (ev_is_active (w)))	2786	if (expect_false (ev_is_active (w)))
2533	return;	2787	return;
		2788
		2789	EV_FREQUENT_CHECK;
2534		2790
2535	ev_start (EV_A_ (W)w, ++checkcnt);	2791	ev_start (EV_A_ (W)w, ++checkcnt);
2536	array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2);	2792	array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2);
2537	checks [checkcnt - 1] = w;	2793	checks [checkcnt - 1] = w;
		2794
		2795	EV_FREQUENT_CHECK;
2538	}	2796	}
2539		2797
2540	void	2798	void
2541	ev_check_stop (EV_P_ ev_check *w)	2799	ev_check_stop (EV_P_ ev_check *w)
2542	{	2800	{
2543	clear_pending (EV_A_ (W)w);	2801	clear_pending (EV_A_ (W)w);
2544	if (expect_false (!ev_is_active (w)))	2802	if (expect_false (!ev_is_active (w)))
2545	return;	2803	return;
2546		2804
		2805	EV_FREQUENT_CHECK;
		2806
2547	{	2807	{
2548	int active = ev_active (w);	2808	int active = ev_active (w);
2549		2809
2550	checks [active - 1] = checks [--checkcnt];	2810	checks [active - 1] = checks [--checkcnt];
2551	ev_active (checks [active - 1]) = active;	2811	ev_active (checks [active - 1]) = active;
2552	}	2812	}
2553		2813
2554	ev_stop (EV_A_ (W)w);	2814	ev_stop (EV_A_ (W)w);
		2815
		2816	EV_FREQUENT_CHECK;
2555	}	2817	}
2556		2818
2557	#if EV_EMBED_ENABLE	2819	#if EV_EMBED_ENABLE
2558	void noinline	2820	void noinline
2559	ev_embed_sweep (EV_P_ ev_embed *w)	2821	ev_embed_sweep (EV_P_ ev_embed *w)
…		…
2586	ev_loop (EV_A_ EVLOOP_NONBLOCK);	2848	ev_loop (EV_A_ EVLOOP_NONBLOCK);
2587	}	2849	}
2588	}	2850	}
2589	}	2851	}
2590		2852
		2853	static void
		2854	embed_fork_cb (EV_P_ ev_fork *fork_w, int revents)
		2855	{
		2856	ev_embed *w = (ev_embed *)(((char *)fork_w) - offsetof (ev_embed, fork));
		2857
		2858	{
		2859	struct ev_loop *loop = w->other;
		2860
		2861	ev_loop_fork (EV_A);
		2862	}
		2863	}
		2864
2591	#if 0	2865	#if 0
2592	static void	2866	static void
2593	embed_idle_cb (EV_P_ ev_idle *idle, int revents)	2867	embed_idle_cb (EV_P_ ev_idle *idle, int revents)
2594	{	2868	{
2595	ev_idle_stop (EV_A_ idle);	2869	ev_idle_stop (EV_A_ idle);
…		…
2606	struct ev_loop *loop = w->other;	2880	struct ev_loop *loop = w->other;
2607	assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ()));	2881	assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ()));
2608	ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ);	2882	ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ);
2609	}	2883	}
2610		2884
		2885	EV_FREQUENT_CHECK;
		2886
2611	ev_set_priority (&w->io, ev_priority (w));	2887	ev_set_priority (&w->io, ev_priority (w));
2612	ev_io_start (EV_A_ &w->io);	2888	ev_io_start (EV_A_ &w->io);
2613		2889
2614	ev_prepare_init (&w->prepare, embed_prepare_cb);	2890	ev_prepare_init (&w->prepare, embed_prepare_cb);
2615	ev_set_priority (&w->prepare, EV_MINPRI);	2891	ev_set_priority (&w->prepare, EV_MINPRI);
2616	ev_prepare_start (EV_A_ &w->prepare);	2892	ev_prepare_start (EV_A_ &w->prepare);
2617		2893
		2894	ev_fork_init (&w->fork, embed_fork_cb);
		2895	ev_fork_start (EV_A_ &w->fork);
		2896
2618	/*ev_idle_init (&w->idle, e,bed_idle_cb);*/	2897	/*ev_idle_init (&w->idle, e,bed_idle_cb);*/
2619		2898
2620	ev_start (EV_A_ (W)w, 1);	2899	ev_start (EV_A_ (W)w, 1);
		2900
		2901	EV_FREQUENT_CHECK;
2621	}	2902	}
2622		2903
2623	void	2904	void
2624	ev_embed_stop (EV_P_ ev_embed *w)	2905	ev_embed_stop (EV_P_ ev_embed *w)
2625	{	2906	{
2626	clear_pending (EV_A_ (W)w);	2907	clear_pending (EV_A_ (W)w);
2627	if (expect_false (!ev_is_active (w)))	2908	if (expect_false (!ev_is_active (w)))
2628	return;	2909	return;
2629		2910
		2911	EV_FREQUENT_CHECK;
		2912
2630	ev_io_stop (EV_A_ &w->io);	2913	ev_io_stop (EV_A_ &w->io);
2631	ev_prepare_stop (EV_A_ &w->prepare);	2914	ev_prepare_stop (EV_A_ &w->prepare);
		2915	ev_fork_stop (EV_A_ &w->fork);
2632		2916
2633	ev_stop (EV_A_ (W)w);	2917	EV_FREQUENT_CHECK;
2634	}	2918	}
2635	#endif	2919	#endif
2636		2920
2637	#if EV_FORK_ENABLE	2921	#if EV_FORK_ENABLE
2638	void	2922	void
2639	ev_fork_start (EV_P_ ev_fork *w)	2923	ev_fork_start (EV_P_ ev_fork *w)
2640	{	2924	{
2641	if (expect_false (ev_is_active (w)))	2925	if (expect_false (ev_is_active (w)))
2642	return;	2926	return;
		2927
		2928	EV_FREQUENT_CHECK;
2643		2929
2644	ev_start (EV_A_ (W)w, ++forkcnt);	2930	ev_start (EV_A_ (W)w, ++forkcnt);
2645	array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2);	2931	array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2);
2646	forks [forkcnt - 1] = w;	2932	forks [forkcnt - 1] = w;
		2933
		2934	EV_FREQUENT_CHECK;
2647	}	2935	}
2648		2936
2649	void	2937	void
2650	ev_fork_stop (EV_P_ ev_fork *w)	2938	ev_fork_stop (EV_P_ ev_fork *w)
2651	{	2939	{
2652	clear_pending (EV_A_ (W)w);	2940	clear_pending (EV_A_ (W)w);
2653	if (expect_false (!ev_is_active (w)))	2941	if (expect_false (!ev_is_active (w)))
2654	return;	2942	return;
2655		2943
		2944	EV_FREQUENT_CHECK;
		2945
2656	{	2946	{
2657	int active = ev_active (w);	2947	int active = ev_active (w);
2658		2948
2659	forks [active - 1] = forks [--forkcnt];	2949	forks [active - 1] = forks [--forkcnt];
2660	ev_active (forks [active - 1]) = active;	2950	ev_active (forks [active - 1]) = active;
2661	}	2951	}
2662		2952
2663	ev_stop (EV_A_ (W)w);	2953	ev_stop (EV_A_ (W)w);
		2954
		2955	EV_FREQUENT_CHECK;
2664	}	2956	}
2665	#endif	2957	#endif
2666		2958
2667	#if EV_ASYNC_ENABLE	2959	#if EV_ASYNC_ENABLE
2668	void	2960	void
…		…
2670	{	2962	{
2671	if (expect_false (ev_is_active (w)))	2963	if (expect_false (ev_is_active (w)))
2672	return;	2964	return;
2673		2965
2674	evpipe_init (EV_A);	2966	evpipe_init (EV_A);
		2967
		2968	EV_FREQUENT_CHECK;
2675		2969
2676	ev_start (EV_A_ (W)w, ++asynccnt);	2970	ev_start (EV_A_ (W)w, ++asynccnt);
2677	array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2);	2971	array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2);
2678	asyncs [asynccnt - 1] = w;	2972	asyncs [asynccnt - 1] = w;
		2973
		2974	EV_FREQUENT_CHECK;
2679	}	2975	}
2680		2976
2681	void	2977	void
2682	ev_async_stop (EV_P_ ev_async *w)	2978	ev_async_stop (EV_P_ ev_async *w)
2683	{	2979	{
2684	clear_pending (EV_A_ (W)w);	2980	clear_pending (EV_A_ (W)w);
2685	if (expect_false (!ev_is_active (w)))	2981	if (expect_false (!ev_is_active (w)))
2686	return;	2982	return;
2687		2983
		2984	EV_FREQUENT_CHECK;
		2985
2688	{	2986	{
2689	int active = ev_active (w);	2987	int active = ev_active (w);
2690		2988
2691	asyncs [active - 1] = asyncs [--asynccnt];	2989	asyncs [active - 1] = asyncs [--asynccnt];
2692	ev_active (asyncs [active - 1]) = active;	2990	ev_active (asyncs [active - 1]) = active;
2693	}	2991	}
2694		2992
2695	ev_stop (EV_A_ (W)w);	2993	ev_stop (EV_A_ (W)w);
		2994
		2995	EV_FREQUENT_CHECK;
2696	}	2996	}
2697		2997
2698	void	2998	void
2699	ev_async_send (EV_P_ ev_async *w)	2999	ev_async_send (EV_P_ ev_async *w)
2700	{	3000	{
…		…
2717	once_cb (EV_P_ struct ev_once *once, int revents)	3017	once_cb (EV_P_ struct ev_once *once, int revents)
2718	{	3018	{
2719	void (*cb)(int revents, void *arg) = once->cb;	3019	void (*cb)(int revents, void *arg) = once->cb;
2720	void *arg = once->arg;	3020	void *arg = once->arg;
2721		3021
2722	ev_io_stop (EV_A_ &once->io);	3022	ev_io_stop (EV_A_ &once->io);
2723	ev_timer_stop (EV_A_ &once->to);	3023	ev_timer_stop (EV_A_ &once->to);
2724	ev_free (once);	3024	ev_free (once);
2725		3025
2726	cb (revents, arg);	3026	cb (revents, arg);
2727	}	3027	}
2728		3028
2729	static void	3029	static void
2730	once_cb_io (EV_P_ ev_io *w, int revents)	3030	once_cb_io (EV_P_ ev_io *w, int revents)
2731	{	3031	{
2732	once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, io)), revents);	3032	struct ev_once *once = (struct ev_once *)(((char *)w) - offsetof (struct ev_once, io));
		3033
		3034	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->to));
2733	}	3035	}
2734		3036
2735	static void	3037	static void
2736	once_cb_to (EV_P_ ev_timer *w, int revents)	3038	once_cb_to (EV_P_ ev_timer *w, int revents)
2737	{	3039	{
2738	once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, to)), revents);	3040	struct ev_once *once = (struct ev_once *)(((char *)w) - offsetof (struct ev_once, to));
		3041
		3042	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));
2739	}	3043	}
2740		3044
2741	void	3045	void
2742	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg)	3046	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg)
2743	{	3047	{

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