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Comparing libev/ev.c (file contents):
Revision 1.240 by root, Thu May 8 21:21:41 2008 UTC vs.
Revision 1.267 by root, Mon Oct 27 11:08:29 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
…		…
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 egen; /* generation counter to counter epoll bugs */
415	#if EV_SELECT_IS_WINSOCKET	456	#if EV_SELECT_IS_WINSOCKET
416	SOCKET handle;	457	SOCKET handle;
417	#endif	458	#endif
418	} ANFD;	459	} ANFD;
419		460
…		…
422	W w;	463	W w;
423	int events;	464	int events;
424	} ANPENDING;	465	} ANPENDING;
425		466
426	#if EV_USE_INOTIFY	467	#if EV_USE_INOTIFY
		468	/* hash table entry per inotify-id */
427	typedef struct	469	typedef struct
428	{	470	{
429	WL head;	471	WL head;
430	} ANFS;	472	} ANFS;
		473	#endif
		474
		475	/* Heap Entry */
		476	#if EV_HEAP_CACHE_AT
		477	typedef struct {
		478	ev_tstamp at;
		479	WT w;
		480	} ANHE;
		481
		482	#define ANHE_w(he) (he).w /* access watcher, read-write */
		483	#define ANHE_at(he) (he).at /* access cached at, read-only */
		484	#define ANHE_at_cache(he) (he).at = (he).w->at /* update at from watcher */
		485	#else
		486	typedef WT ANHE;
		487
		488	#define ANHE_w(he) (he)
		489	#define ANHE_at(he) (he)->at
		490	#define ANHE_at_cache(he)
431	#endif	491	#endif
432		492
433	#if EV_MULTIPLICITY	493	#if EV_MULTIPLICITY
434		494
435	struct ev_loop	495	struct ev_loop
…		…
513	struct timeval tv;	573	struct timeval tv;
514		574
515	tv.tv_sec = (time_t)delay;	575	tv.tv_sec = (time_t)delay;
516	tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6);	576	tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6);
517		577
		578	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */
		579	/* somehting nto guaranteed by newer posix versions, but guaranteed */
		580	/* by older ones */
518	select (0, 0, 0, 0, &tv);	581	select (0, 0, 0, 0, &tv);
519	#endif	582	#endif
520	}	583	}
521	}	584	}
522		585
…		…
549	array_realloc (int elem, void *base, int *cur, int cnt)	612	array_realloc (int elem, void *base, int *cur, int cnt)
550	{	613	{
551	*cur = array_nextsize (elem, *cur, cnt);	614	*cur = array_nextsize (elem, *cur, cnt);
552	return ev_realloc (base, elem * *cur);	615	return ev_realloc (base, elem * *cur);
553	}	616	}
		617
		618	#define array_init_zero(base,count) \
		619	memset ((void *)(base), 0, sizeof (*(base)) * (count))
554		620
555	#define array_needsize(type,base,cur,cnt,init) \	621	#define array_needsize(type,base,cur,cnt,init) \
556	if (expect_false ((cnt) > (cur))) \	622	if (expect_false ((cnt) > (cur))) \
557	{ \	623	{ \
558	int ocur_ = (cur); \	624	int ocur_ = (cur); \
…		…
602	ev_feed_event (EV_A_ events [i], type);	668	ev_feed_event (EV_A_ events [i], type);
603	}	669	}
604		670
605	/*****************************************************************************/	671	/*****************************************************************************/
606		672
607	void inline_size
608	anfds_init (ANFD *base, int count)
609	{
610	while (count--)
611	{
612	base->head = 0;
613	base->events = EV_NONE;
614	base->reify = 0;
615
616	++base;
617	}
618	}
619
620	void inline_speed	673	void inline_speed
621	fd_event (EV_P_ int fd, int revents)	674	fd_event (EV_P_ int fd, int revents)
622	{	675	{
623	ANFD *anfd = anfds + fd;	676	ANFD *anfd = anfds + fd;
624	ev_io *w;	677	ev_io *w;
…		…
656	events |= (unsigned char)w->events;	709	events |= (unsigned char)w->events;
657		710
658	#if EV_SELECT_IS_WINSOCKET	711	#if EV_SELECT_IS_WINSOCKET
659	if (events)	712	if (events)
660	{	713	{
661	unsigned long argp;	714	unsigned long arg;
662	#ifdef EV_FD_TO_WIN32_HANDLE	715	#ifdef EV_FD_TO_WIN32_HANDLE
663	anfd->handle = EV_FD_TO_WIN32_HANDLE (fd);	716	anfd->handle = EV_FD_TO_WIN32_HANDLE (fd);
664	#else	717	#else
665	anfd->handle = _get_osfhandle (fd);	718	anfd->handle = _get_osfhandle (fd);
666	#endif	719	#endif
667	assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0));	720	assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0));
668	}	721	}
669	#endif	722	#endif
670		723
671	{	724	{
672	unsigned char o_events = anfd->events;	725	unsigned char o_events = anfd->events;
…		…
725	{	778	{
726	int fd;	779	int fd;
727		780
728	for (fd = 0; fd < anfdmax; ++fd)	781	for (fd = 0; fd < anfdmax; ++fd)
729	if (anfds [fd].events)	782	if (anfds [fd].events)
730	if (!fd_valid (fd) == -1 && errno == EBADF)	783	if (!fd_valid (fd) && errno == EBADF)
731	fd_kill (EV_A_ fd);	784	fd_kill (EV_A_ fd);
732	}	785	}
733		786
734	/* called on ENOMEM in select/poll to kill some fds and retry */	787	/* called on ENOMEM in select/poll to kill some fds and retry */
735	static void noinline	788	static void noinline
…		…
760	}	813	}
761		814
762	/*****************************************************************************/	815	/*****************************************************************************/
763		816
764	/*	817	/*
		818	* the heap functions want a real array index. array index 0 uis guaranteed to not
		819	* be in-use at any time. the first heap entry is at array [HEAP0]. DHEAP gives
		820	* the branching factor of the d-tree.
		821	*/
		822
		823	/*
765	* at the moment we allow libev the luxury of two heaps,	824	* at the moment we allow libev the luxury of two heaps,
766	* a small-code-size 2-heap one and a ~1.5kb larger 4-heap	825	* a small-code-size 2-heap one and a ~1.5kb larger 4-heap
767	* which is more cache-efficient.	826	* which is more cache-efficient.
768	* the difference is about 5% with 50000+ watchers.	827	* the difference is about 5% with 50000+ watchers.
769	*/	828	*/
770	#define USE_4HEAP !EV_MINIMAL
771	#if USE_4HEAP	829	#if EV_USE_4HEAP
772		830
773	#define DHEAP 4	831	#define DHEAP 4
774	#define HEAP0 (DHEAP - 1) /* index of first element in heap */	832	#define HEAP0 (DHEAP - 1) /* index of first element in heap */
775		833	#define HPARENT(k) ((((k) - HEAP0 - 1) / DHEAP) + HEAP0)
776	/* towards the root */	834	#define UPHEAP_DONE(p,k) ((p) == (k))
777	void inline_speed
778	upheap (WT *heap, int k)
779	{
780	WT w = heap [k];
781	ev_tstamp w_at = w->at;
782
783	for (;;)
784	{
785	int p = ((k - HEAP0 - 1) / DHEAP) + HEAP0;
786
787	if (p == k || heap [p]->at <= w_at)
788	break;
789
790	heap [k] = heap [p];
791	ev_active (heap [k]) = k;
792	k = p;
793	}
794
795	heap [k] = w;
796	ev_active (heap [k]) = k;
797	}
798		835
799	/* away from the root */	836	/* away from the root */
800	void inline_speed	837	void inline_speed
801	downheap (WT *heap, int N, int k)	838	downheap (ANHE *heap, int N, int k)
802	{	839	{
803	WT w = heap [k];	840	ANHE he = heap [k];
804	WT *E = heap + N + HEAP0;	841	ANHE *E = heap + N + HEAP0;
805		842
806	for (;;)	843	for (;;)
807	{	844	{
808	ev_tstamp minat;	845	ev_tstamp minat;
809	WT *minpos;	846	ANHE *minpos;
810	WT *pos = heap + DHEAP * (k - HEAP0) + HEAP0;	847	ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0 + 1;
811		848
812	// find minimum child	849	/* find minimum child */
813	if (expect_true (pos + DHEAP - 1 < E))	850	if (expect_true (pos + DHEAP - 1 < E))
814	{	851	{
815	/* fast path */ (minpos = pos + 0), (minat = (*minpos)->at);	852	/* fast path */ (minpos = pos + 0), (minat = ANHE_at (*minpos));
816	if (pos [1]->at < minat) (minpos = pos + 1), (minat = (*minpos)->at);	853	if ( ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos));
817	if (pos [2]->at < minat) (minpos = pos + 2), (minat = (*minpos)->at);	854	if ( ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos));
818	if (pos [3]->at < minat) (minpos = pos + 3), (minat = (*minpos)->at);	855	if ( ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos));
819	}	856	}
820	else if (pos < E)	857	else if (pos < E)
821	{	858	{
822	/* slow path */ (minpos = pos + 0), (minat = (*minpos)->at);	859	/* slow path */ (minpos = pos + 0), (minat = ANHE_at (*minpos));
823	if (pos + 1 < E && pos [1]->at < minat) (minpos = pos + 1), (minat = (*minpos)->at);	860	if (pos + 1 < E && ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos));
824	if (pos + 2 < E && pos [2]->at < minat) (minpos = pos + 2), (minat = (*minpos)->at);	861	if (pos + 2 < E && ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos));
825	if (pos + 3 < E && pos [3]->at < minat) (minpos = pos + 3), (minat = (*minpos)->at);	862	if (pos + 3 < E && ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos));
826	}	863	}
827	else	864	else
828	break;	865	break;
829		866
830	if (w->at <= minat)	867	if (ANHE_at (he) <= minat)
831	break;	868	break;
832		869
833	ev_active (*minpos) = k;
834	heap [k] = *minpos;	870	heap [k] = *minpos;
		871	ev_active (ANHE_w (*minpos)) = k;
835		872
836	k = minpos - heap;	873	k = minpos - heap;
837	}	874	}
838		875
839	heap [k] = w;	876	heap [k] = he;
840	ev_active (heap [k]) = k;	877	ev_active (ANHE_w (he)) = k;
841	}	878	}
842		879
843	#else // 4HEAP	880	#else /* 4HEAP */
844		881
845	#define HEAP0 1	882	#define HEAP0 1
		883	#define HPARENT(k) ((k) >> 1)
		884	#define UPHEAP_DONE(p,k) (!(p))
		885
		886	/* away from the root */
		887	void inline_speed
		888	downheap (ANHE *heap, int N, int k)
		889	{
		890	ANHE he = heap [k];
		891
		892	for (;;)
		893	{
		894	int c = k << 1;
		895
		896	if (c > N + HEAP0 - 1)
		897	break;
		898
		899	c += c + 1 < N + HEAP0 && ANHE_at (heap [c]) > ANHE_at (heap [c + 1])
		900	? 1 : 0;
		901
		902	if (ANHE_at (he) <= ANHE_at (heap [c]))
		903	break;
		904
		905	heap [k] = heap [c];
		906	ev_active (ANHE_w (heap [k])) = k;
		907
		908	k = c;
		909	}
		910
		911	heap [k] = he;
		912	ev_active (ANHE_w (he)) = k;
		913	}
		914	#endif
846		915
847	/* towards the root */	916	/* towards the root */
848	void inline_speed	917	void inline_speed
849	upheap (WT *heap, int k)	918	upheap (ANHE *heap, int k)
850	{	919	{
851	WT w = heap [k];	920	ANHE he = heap [k];
852		921
853	for (;;)	922	for (;;)
854	{	923	{
855	int p = k >> 1;	924	int p = HPARENT (k);
856		925
857	/* maybe we could use a dummy element at heap [0]? */	926	if (UPHEAP_DONE (p, k) || ANHE_at (heap [p]) <= ANHE_at (he))
858	if (!p || heap [p]->at <= w->at)
859	break;	927	break;
860		928
861	heap [k] = heap [p];	929	heap [k] = heap [p];
862	ev_active (heap [k]) = k;	930	ev_active (ANHE_w (heap [k])) = k;
863	k = p;	931	k = p;
864	}	932	}
865		933
866	heap [k] = w;	934	heap [k] = he;
867	ev_active (heap [k]) = k;	935	ev_active (ANHE_w (he)) = k;
868	}	936	}
869
870	/* away from the root */
871	void inline_speed
872	downheap (WT *heap, int N, int k)
873	{
874	WT w = heap [k];
875
876	for (;;)
877	{
878	int c = k << 1;
879
880	if (c > N)
881	break;
882
883	c += c + 1 < N && heap [c]->at > heap [c + 1]->at
884	? 1 : 0;
885
886	if (w->at <= heap [c]->at)
887	break;
888
889	heap [k] = heap [c];
890	((W)heap [k])->active = k;
891
892	k = c;
893	}
894
895	heap [k] = w;
896	ev_active (heap [k]) = k;
897	}
898	#endif
899		937
900	void inline_size	938	void inline_size
901	adjustheap (WT *heap, int N, int k)	939	adjustheap (ANHE *heap, int N, int k)
902	{	940	{
		941	if (k > HEAP0 && ANHE_at (heap [HPARENT (k)]) >= ANHE_at (heap [k]))
903	upheap (heap, k);	942	upheap (heap, k);
		943	else
904	downheap (heap, N, k);	944	downheap (heap, N, k);
		945	}
		946
		947	/* rebuild the heap: this function is used only once and executed rarely */
		948	void inline_size
		949	reheap (ANHE *heap, int N)
		950	{
		951	int i;
		952
		953	/* we don't use floyds algorithm, upheap is simpler and is more cache-efficient */
		954	/* also, this is easy to implement and correct for both 2-heaps and 4-heaps */
		955	for (i = 0; i < N; ++i)
		956	upheap (heap, i + HEAP0);
905	}	957	}
906		958
907	/*****************************************************************************/	959	/*****************************************************************************/
908		960
909	typedef struct	961	typedef struct
…		…
915	static ANSIG *signals;	967	static ANSIG *signals;
916	static int signalmax;	968	static int signalmax;
917		969
918	static EV_ATOMIC_T gotsig;	970	static EV_ATOMIC_T gotsig;
919		971
920	void inline_size
921	signals_init (ANSIG *base, int count)
922	{
923	while (count--)
924	{
925	base->head = 0;
926	base->gotsig = 0;
927
928	++base;
929	}
930	}
931
932	/*****************************************************************************/	972	/*****************************************************************************/
933		973
934	void inline_speed	974	void inline_speed
935	fd_intern (int fd)	975	fd_intern (int fd)
936	{	976	{
937	#ifdef _WIN32	977	#ifdef _WIN32
938	int arg = 1;	978	unsigned long arg = 1;
939	ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg);	979	ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg);
940	#else	980	#else
941	fcntl (fd, F_SETFD, FD_CLOEXEC);	981	fcntl (fd, F_SETFD, FD_CLOEXEC);
942	fcntl (fd, F_SETFL, O_NONBLOCK);	982	fcntl (fd, F_SETFL, O_NONBLOCK);
943	#endif	983	#endif
…		…
1427		1467
1428	postfork = 0;	1468	postfork = 0;
1429	}	1469	}
1430		1470
1431	#if EV_MULTIPLICITY	1471	#if EV_MULTIPLICITY
		1472
1432	struct ev_loop *	1473	struct ev_loop *
1433	ev_loop_new (unsigned int flags)	1474	ev_loop_new (unsigned int flags)
1434	{	1475	{
1435	struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));	1476	struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
1436		1477
…		…
1454	void	1495	void
1455	ev_loop_fork (EV_P)	1496	ev_loop_fork (EV_P)
1456	{	1497	{
1457	postfork = 1; /* must be in line with ev_default_fork */	1498	postfork = 1; /* must be in line with ev_default_fork */
1458	}	1499	}
		1500
		1501	#if EV_VERIFY
		1502	static void noinline
		1503	verify_watcher (EV_P_ W w)
		1504	{
		1505	assert (("watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI));
		1506
		1507	if (w->pending)
		1508	assert (("pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w));
		1509	}
		1510
		1511	static void noinline
		1512	verify_heap (EV_P_ ANHE *heap, int N)
		1513	{
		1514	int i;
		1515
		1516	for (i = HEAP0; i < N + HEAP0; ++i)
		1517	{
		1518	assert (("active index mismatch in heap", ev_active (ANHE_w (heap [i])) == i));
		1519	assert (("heap condition violated", i == HEAP0 || ANHE_at (heap [HPARENT (i)]) <= ANHE_at (heap [i])));
		1520	assert (("heap at cache mismatch", ANHE_at (heap [i]) == ev_at (ANHE_w (heap [i]))));
		1521
		1522	verify_watcher (EV_A_ (W)ANHE_w (heap [i]));
		1523	}
		1524	}
		1525
		1526	static void noinline
		1527	array_verify (EV_P_ W *ws, int cnt)
		1528	{
		1529	while (cnt--)
		1530	{
		1531	assert (("active index mismatch", ev_active (ws [cnt]) == cnt + 1));
		1532	verify_watcher (EV_A_ ws [cnt]);
		1533	}
		1534	}
		1535	#endif
		1536
		1537	void
		1538	ev_loop_verify (EV_P)
		1539	{
		1540	#if EV_VERIFY
		1541	int i;
		1542	WL w;
		1543
		1544	assert (activecnt >= -1);
		1545
		1546	assert (fdchangemax >= fdchangecnt);
		1547	for (i = 0; i < fdchangecnt; ++i)
		1548	assert (("negative fd in fdchanges", fdchanges [i] >= 0));
		1549
		1550	assert (anfdmax >= 0);
		1551	for (i = 0; i < anfdmax; ++i)
		1552	for (w = anfds [i].head; w; w = w->next)
		1553	{
		1554	verify_watcher (EV_A_ (W)w);
		1555	assert (("inactive fd watcher on anfd list", ev_active (w) == 1));
		1556	assert (("fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i));
		1557	}
		1558
		1559	assert (timermax >= timercnt);
		1560	verify_heap (EV_A_ timers, timercnt);
		1561
		1562	#if EV_PERIODIC_ENABLE
		1563	assert (periodicmax >= periodiccnt);
		1564	verify_heap (EV_A_ periodics, periodiccnt);
		1565	#endif
		1566
		1567	for (i = NUMPRI; i--; )
		1568	{
		1569	assert (pendingmax [i] >= pendingcnt [i]);
		1570	#if EV_IDLE_ENABLE
		1571	assert (idleall >= 0);
		1572	assert (idlemax [i] >= idlecnt [i]);
		1573	array_verify (EV_A_ (W *)idles [i], idlecnt [i]);
		1574	#endif
		1575	}
		1576
		1577	#if EV_FORK_ENABLE
		1578	assert (forkmax >= forkcnt);
		1579	array_verify (EV_A_ (W *)forks, forkcnt);
		1580	#endif
		1581
		1582	#if EV_ASYNC_ENABLE
		1583	assert (asyncmax >= asynccnt);
		1584	array_verify (EV_A_ (W *)asyncs, asynccnt);
		1585	#endif
		1586
		1587	assert (preparemax >= preparecnt);
		1588	array_verify (EV_A_ (W *)prepares, preparecnt);
		1589
		1590	assert (checkmax >= checkcnt);
		1591	array_verify (EV_A_ (W *)checks, checkcnt);
		1592
		1593	# if 0
		1594	for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next)
		1595	for (signum = signalmax; signum--; ) if (signals [signum].gotsig)
1459	#endif	1596	# endif
		1597	#endif
		1598	}
		1599
		1600	#endif /* multiplicity */
1460		1601
1461	#if EV_MULTIPLICITY	1602	#if EV_MULTIPLICITY
1462	struct ev_loop *	1603	struct ev_loop *
1463	ev_default_loop_init (unsigned int flags)	1604	ev_default_loop_init (unsigned int flags)
1464	#else	1605	#else
…		…
1497	{	1638	{
1498	#if EV_MULTIPLICITY	1639	#if EV_MULTIPLICITY
1499	struct ev_loop *loop = ev_default_loop_ptr;	1640	struct ev_loop *loop = ev_default_loop_ptr;
1500	#endif	1641	#endif
1501		1642
		1643	ev_default_loop_ptr = 0;
		1644
1502	#ifndef _WIN32	1645	#ifndef _WIN32
1503	ev_ref (EV_A); /* child watcher */	1646	ev_ref (EV_A); /* child watcher */
1504	ev_signal_stop (EV_A_ &childev);	1647	ev_signal_stop (EV_A_ &childev);
1505	#endif	1648	#endif
1506		1649
…		…
1540	{	1683	{
1541	/*assert (("non-pending watcher on pending list", p->w->pending));*/	1684	/*assert (("non-pending watcher on pending list", p->w->pending));*/
1542		1685
1543	p->w->pending = 0;	1686	p->w->pending = 0;
1544	EV_CB_INVOKE (p->w, p->events);	1687	EV_CB_INVOKE (p->w, p->events);
		1688	EV_FREQUENT_CHECK;
1545	}	1689	}
1546	}	1690	}
1547	}	1691	}
1548		1692
1549	#if EV_IDLE_ENABLE	1693	#if EV_IDLE_ENABLE
…		…
1570	#endif	1714	#endif
1571		1715
1572	void inline_size	1716	void inline_size
1573	timers_reify (EV_P)	1717	timers_reify (EV_P)
1574	{	1718	{
		1719	EV_FREQUENT_CHECK;
		1720
1575	while (timercnt && ev_at (timers [HEAP0]) <= mn_now)	1721	while (timercnt && ANHE_at (timers [HEAP0]) < mn_now)
1576	{	1722	{
1577	ev_timer *w = (ev_timer *)timers [HEAP0];	1723	ev_timer *w = (ev_timer *)ANHE_w (timers [HEAP0]);
1578		1724
1579	/*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/	1725	/*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/
1580		1726
1581	/* first reschedule or stop timer */	1727	/* first reschedule or stop timer */
1582	if (w->repeat)	1728	if (w->repeat)
1583	{	1729	{
1584	assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));
1585
1586	ev_at (w) += w->repeat;	1730	ev_at (w) += w->repeat;
1587	if (ev_at (w) < mn_now)	1731	if (ev_at (w) < mn_now)
1588	ev_at (w) = mn_now;	1732	ev_at (w) = mn_now;
1589		1733
		1734	assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));
		1735
		1736	ANHE_at_cache (timers [HEAP0]);
1590	downheap (timers, timercnt, HEAP0);	1737	downheap (timers, timercnt, HEAP0);
1591	}	1738	}
1592	else	1739	else
1593	ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */	1740	ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */
1594		1741
		1742	EV_FREQUENT_CHECK;
1595	ev_feed_event (EV_A_ (W)w, EV_TIMEOUT);	1743	ev_feed_event (EV_A_ (W)w, EV_TIMEOUT);
1596	}	1744	}
1597	}	1745	}
1598		1746
1599	#if EV_PERIODIC_ENABLE	1747	#if EV_PERIODIC_ENABLE
1600	void inline_size	1748	void inline_size
1601	periodics_reify (EV_P)	1749	periodics_reify (EV_P)
1602	{	1750	{
		1751	EV_FREQUENT_CHECK;
		1752
1603	while (periodiccnt && ev_at (periodics [HEAP0]) <= ev_rt_now)	1753	while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)
1604	{	1754	{
1605	ev_periodic *w = (ev_periodic *)periodics [HEAP0];	1755	ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]);
1606		1756
1607	/*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/	1757	/*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/
1608		1758
1609	/* first reschedule or stop timer */	1759	/* first reschedule or stop timer */
1610	if (w->reschedule_cb)	1760	if (w->reschedule_cb)
1611	{	1761	{
1612	ev_at (w) = w->reschedule_cb (w, ev_rt_now + TIME_EPSILON);	1762	ev_at (w) = w->reschedule_cb (w, ev_rt_now);
		1763
1613	assert (("ev_periodic reschedule callback returned time in the past", ev_at (w) > ev_rt_now));	1764	assert (("ev_periodic reschedule callback returned time in the past", ev_at (w) >= ev_rt_now));
		1765
		1766	ANHE_at_cache (periodics [HEAP0]);
1614	downheap (periodics, periodiccnt, 1);	1767	downheap (periodics, periodiccnt, HEAP0);
1615	}	1768	}
1616	else if (w->interval)	1769	else if (w->interval)
1617	{	1770	{
1618	ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;	1771	ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
		1772	/* if next trigger time is not sufficiently in the future, put it there */
		1773	/* this might happen because of floating point inexactness */
1619	if (ev_at (w) - ev_rt_now <= TIME_EPSILON) ev_at (w) += w->interval;	1774	if (ev_at (w) - ev_rt_now < TIME_EPSILON)
1620	assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ev_at (w) > ev_rt_now));	1775	{
		1776	ev_at (w) += w->interval;
		1777
		1778	/* if interval is unreasonably low we might still have a time in the past */
		1779	/* so correct this. this will make the periodic very inexact, but the user */
		1780	/* has effectively asked to get triggered more often than possible */
		1781	if (ev_at (w) < ev_rt_now)
		1782	ev_at (w) = ev_rt_now;
		1783	}
		1784
		1785	ANHE_at_cache (periodics [HEAP0]);
1621	downheap (periodics, periodiccnt, HEAP0);	1786	downheap (periodics, periodiccnt, HEAP0);
1622	}	1787	}
1623	else	1788	else
1624	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */	1789	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */
1625		1790
		1791	EV_FREQUENT_CHECK;
1626	ev_feed_event (EV_A_ (W)w, EV_PERIODIC);	1792	ev_feed_event (EV_A_ (W)w, EV_PERIODIC);
1627	}	1793	}
1628	}	1794	}
1629		1795
1630	static void noinline	1796	static void noinline
1631	periodics_reschedule (EV_P)	1797	periodics_reschedule (EV_P)
1632	{	1798	{
1633	int i;	1799	int i;
1634		1800
1635	/* adjust periodics after time jump */	1801	/* adjust periodics after time jump */
1636	for (i = 1; i <= periodiccnt; ++i)	1802	for (i = HEAP0; i < periodiccnt + HEAP0; ++i)
1637	{	1803	{
1638	ev_periodic *w = (ev_periodic *)periodics [i];	1804	ev_periodic *w = (ev_periodic *)ANHE_w (periodics [i]);
1639		1805
1640	if (w->reschedule_cb)	1806	if (w->reschedule_cb)
1641	ev_at (w) = w->reschedule_cb (w, ev_rt_now);	1807	ev_at (w) = w->reschedule_cb (w, ev_rt_now);
1642	else if (w->interval)	1808	else if (w->interval)
1643	ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;	1809	ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
1644	}
1645		1810
1646	/* now rebuild the heap */	1811	ANHE_at_cache (periodics [i]);
1647	for (i = periodiccnt >> 1; --i; )	1812	}
		1813
1648	downheap (periodics, periodiccnt, i + HEAP0);	1814	reheap (periodics, periodiccnt);
1649	}	1815	}
1650	#endif	1816	#endif
1651		1817
1652	void inline_speed	1818	void inline_speed
1653	time_update (EV_P_ ev_tstamp max_block)	1819	time_update (EV_P_ ev_tstamp max_block)
…		…
1707	{	1873	{
1708	#if EV_PERIODIC_ENABLE	1874	#if EV_PERIODIC_ENABLE
1709	periodics_reschedule (EV_A);	1875	periodics_reschedule (EV_A);
1710	#endif	1876	#endif
1711	/* adjust timers. this is easy, as the offset is the same for all of them */	1877	/* adjust timers. this is easy, as the offset is the same for all of them */
1712	for (i = 1; i <= timercnt; ++i)	1878	for (i = 0; i < timercnt; ++i)
1713	ev_at (timers [i]) += ev_rt_now - mn_now;	1879	{
		1880	ANHE *he = timers + i + HEAP0;
		1881	ANHE_w (*he)->at += ev_rt_now - mn_now;
		1882	ANHE_at_cache (*he);
		1883	}
1714	}	1884	}
1715		1885
1716	mn_now = ev_rt_now;	1886	mn_now = ev_rt_now;
1717	}	1887	}
1718	}	1888	}
…		…
1727	ev_unref (EV_P)	1897	ev_unref (EV_P)
1728	{	1898	{
1729	--activecnt;	1899	--activecnt;
1730	}	1900	}
1731		1901
		1902	void
		1903	ev_now_update (EV_P)
		1904	{
		1905	time_update (EV_A_ 1e100);
		1906	}
		1907
1732	static int loop_done;	1908	static int loop_done;
1733		1909
1734	void	1910	void
1735	ev_loop (EV_P_ int flags)	1911	ev_loop (EV_P_ int flags)
1736	{	1912	{
…		…
1738		1914
1739	call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */	1915	call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */
1740		1916
1741	do	1917	do
1742	{	1918	{
		1919	#if EV_VERIFY >= 2
		1920	ev_loop_verify (EV_A);
		1921	#endif
		1922
1743	#ifndef _WIN32	1923	#ifndef _WIN32
1744	if (expect_false (curpid)) /* penalise the forking check even more */	1924	if (expect_false (curpid)) /* penalise the forking check even more */
1745	if (expect_false (getpid () != curpid))	1925	if (expect_false (getpid () != curpid))
1746	{	1926	{
1747	curpid = getpid ();	1927	curpid = getpid ();
…		…
1788		1968
1789	waittime = MAX_BLOCKTIME;	1969	waittime = MAX_BLOCKTIME;
1790		1970
1791	if (timercnt)	1971	if (timercnt)
1792	{	1972	{
1793	ev_tstamp to = ev_at (timers [HEAP0]) - mn_now + backend_fudge;	1973	ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge;
1794	if (waittime > to) waittime = to;	1974	if (waittime > to) waittime = to;
1795	}	1975	}
1796		1976
1797	#if EV_PERIODIC_ENABLE	1977	#if EV_PERIODIC_ENABLE
1798	if (periodiccnt)	1978	if (periodiccnt)
1799	{	1979	{
1800	ev_tstamp to = ev_at (periodics [HEAP0]) - ev_rt_now + backend_fudge;	1980	ev_tstamp to = ANHE_at (periodics [HEAP0]) - ev_rt_now + backend_fudge;
1801	if (waittime > to) waittime = to;	1981	if (waittime > to) waittime = to;
1802	}	1982	}
1803	#endif	1983	#endif
1804		1984
1805	if (expect_false (waittime < timeout_blocktime))	1985	if (expect_false (waittime < timeout_blocktime))
…		…
1941		2121
1942	if (expect_false (ev_is_active (w)))	2122	if (expect_false (ev_is_active (w)))
1943	return;	2123	return;
1944		2124
1945	assert (("ev_io_start called with negative fd", fd >= 0));	2125	assert (("ev_io_start called with negative fd", fd >= 0));
		2126	assert (("ev_io start called with illegal event mask", !(w->events & ~(EV_IOFDSET | EV_READ | EV_WRITE))));
		2127
		2128	EV_FREQUENT_CHECK;
1946		2129
1947	ev_start (EV_A_ (W)w, 1);	2130	ev_start (EV_A_ (W)w, 1);
1948	array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init);	2131	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);
1949	wlist_add (&anfds[fd].head, (WL)w);	2132	wlist_add (&anfds[fd].head, (WL)w);
1950		2133
1951	fd_change (EV_A_ fd, w->events & EV_IOFDSET | 1);	2134	fd_change (EV_A_ fd, w->events & EV_IOFDSET | 1);
1952	w->events &= ~EV_IOFDSET;	2135	w->events &= ~EV_IOFDSET;
		2136
		2137	EV_FREQUENT_CHECK;
1953	}	2138	}
1954		2139
1955	void noinline	2140	void noinline
1956	ev_io_stop (EV_P_ ev_io *w)	2141	ev_io_stop (EV_P_ ev_io *w)
1957	{	2142	{
1958	clear_pending (EV_A_ (W)w);	2143	clear_pending (EV_A_ (W)w);
1959	if (expect_false (!ev_is_active (w)))	2144	if (expect_false (!ev_is_active (w)))
1960	return;	2145	return;
1961		2146
1962	assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));	2147	assert (("ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));
		2148
		2149	EV_FREQUENT_CHECK;
1963		2150
1964	wlist_del (&anfds[w->fd].head, (WL)w);	2151	wlist_del (&anfds[w->fd].head, (WL)w);
1965	ev_stop (EV_A_ (W)w);	2152	ev_stop (EV_A_ (W)w);
1966		2153
1967	fd_change (EV_A_ w->fd, 1);	2154	fd_change (EV_A_ w->fd, 1);
		2155
		2156	EV_FREQUENT_CHECK;
1968	}	2157	}
1969		2158
1970	void noinline	2159	void noinline
1971	ev_timer_start (EV_P_ ev_timer *w)	2160	ev_timer_start (EV_P_ ev_timer *w)
1972	{	2161	{
…		…
1975		2164
1976	ev_at (w) += mn_now;	2165	ev_at (w) += mn_now;
1977		2166
1978	assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));	2167	assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));
1979		2168
		2169	EV_FREQUENT_CHECK;
		2170
		2171	++timercnt;
1980	ev_start (EV_A_ (W)w, ++timercnt + HEAP0 - 1);	2172	ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1);
1981	array_needsize (WT, timers, timermax, timercnt + HEAP0, EMPTY2);	2173	array_needsize (ANHE, timers, timermax, ev_active (w) + 1, EMPTY2);
1982	timers [ev_active (w)] = (WT)w;	2174	ANHE_w (timers [ev_active (w)]) = (WT)w;
		2175	ANHE_at_cache (timers [ev_active (w)]);
1983	upheap (timers, ev_active (w));	2176	upheap (timers, ev_active (w));
1984		2177
		2178	EV_FREQUENT_CHECK;
		2179
1985	/*assert (("internal timer heap corruption", timers [ev_active (w)] == w));*/	2180	/*assert (("internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
1986	}	2181	}
1987		2182
1988	void noinline	2183	void noinline
1989	ev_timer_stop (EV_P_ ev_timer *w)	2184	ev_timer_stop (EV_P_ ev_timer *w)
1990	{	2185	{
1991	clear_pending (EV_A_ (W)w);	2186	clear_pending (EV_A_ (W)w);
1992	if (expect_false (!ev_is_active (w)))	2187	if (expect_false (!ev_is_active (w)))
1993	return;	2188	return;
1994		2189
		2190	EV_FREQUENT_CHECK;
		2191
1995	{	2192	{
1996	int active = ev_active (w);	2193	int active = ev_active (w);
1997		2194
1998	assert (("internal timer heap corruption", timers [active] == (WT)w));	2195	assert (("internal timer heap corruption", ANHE_w (timers [active]) == (WT)w));
1999		2196
		2197	--timercnt;
		2198
2000	if (expect_true (active < timercnt + HEAP0 - 1))	2199	if (expect_true (active < timercnt + HEAP0))
2001	{	2200	{
2002	timers [active] = timers [timercnt + HEAP0 - 1];	2201	timers [active] = timers [timercnt + HEAP0];
2003	adjustheap (timers, timercnt, active);	2202	adjustheap (timers, timercnt, active);
2004	}	2203	}
2005
2006	--timercnt;
2007	}	2204	}
		2205
		2206	EV_FREQUENT_CHECK;
2008		2207
2009	ev_at (w) -= mn_now;	2208	ev_at (w) -= mn_now;
2010		2209
2011	ev_stop (EV_A_ (W)w);	2210	ev_stop (EV_A_ (W)w);
2012	}	2211	}
2013		2212
2014	void noinline	2213	void noinline
2015	ev_timer_again (EV_P_ ev_timer *w)	2214	ev_timer_again (EV_P_ ev_timer *w)
2016	{	2215	{
		2216	EV_FREQUENT_CHECK;
		2217
2017	if (ev_is_active (w))	2218	if (ev_is_active (w))
2018	{	2219	{
2019	if (w->repeat)	2220	if (w->repeat)
2020	{	2221	{
2021	ev_at (w) = mn_now + w->repeat;	2222	ev_at (w) = mn_now + w->repeat;
		2223	ANHE_at_cache (timers [ev_active (w)]);
2022	adjustheap (timers, timercnt, ev_active (w));	2224	adjustheap (timers, timercnt, ev_active (w));
2023	}	2225	}
2024	else	2226	else
2025	ev_timer_stop (EV_A_ w);	2227	ev_timer_stop (EV_A_ w);
2026	}	2228	}
2027	else if (w->repeat)	2229	else if (w->repeat)
2028	{	2230	{
2029	ev_at (w) = w->repeat;	2231	ev_at (w) = w->repeat;
2030	ev_timer_start (EV_A_ w);	2232	ev_timer_start (EV_A_ w);
2031	}	2233	}
		2234
		2235	EV_FREQUENT_CHECK;
2032	}	2236	}
2033		2237
2034	#if EV_PERIODIC_ENABLE	2238	#if EV_PERIODIC_ENABLE
2035	void noinline	2239	void noinline
2036	ev_periodic_start (EV_P_ ev_periodic *w)	2240	ev_periodic_start (EV_P_ ev_periodic *w)
…		…
2047	ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;	2251	ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
2048	}	2252	}
2049	else	2253	else
2050	ev_at (w) = w->offset;	2254	ev_at (w) = w->offset;
2051		2255
		2256	EV_FREQUENT_CHECK;
		2257
		2258	++periodiccnt;
2052	ev_start (EV_A_ (W)w, ++periodiccnt + HEAP0 - 1);	2259	ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1);
2053	array_needsize (WT, periodics, periodicmax, periodiccnt + HEAP0, EMPTY2);	2260	array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, EMPTY2);
2054	periodics [ev_active (w)] = (WT)w;	2261	ANHE_w (periodics [ev_active (w)]) = (WT)w;
		2262	ANHE_at_cache (periodics [ev_active (w)]);
2055	upheap (periodics, ev_active (w));	2263	upheap (periodics, ev_active (w));
2056		2264
		2265	EV_FREQUENT_CHECK;
		2266
2057	/*assert (("internal periodic heap corruption", periodics [ev_active (w)] == w));*/	2267	/*assert (("internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
2058	}	2268	}
2059		2269
2060	void noinline	2270	void noinline
2061	ev_periodic_stop (EV_P_ ev_periodic *w)	2271	ev_periodic_stop (EV_P_ ev_periodic *w)
2062	{	2272	{
2063	clear_pending (EV_A_ (W)w);	2273	clear_pending (EV_A_ (W)w);
2064	if (expect_false (!ev_is_active (w)))	2274	if (expect_false (!ev_is_active (w)))
2065	return;	2275	return;
2066		2276
		2277	EV_FREQUENT_CHECK;
		2278
2067	{	2279	{
2068	int active = ev_active (w);	2280	int active = ev_active (w);
2069		2281
2070	assert (("internal periodic heap corruption", periodics [active] == (WT)w));	2282	assert (("internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w));
2071		2283
		2284	--periodiccnt;
		2285
2072	if (expect_true (active < periodiccnt + HEAP0 - 1))	2286	if (expect_true (active < periodiccnt + HEAP0))
2073	{	2287	{
2074	periodics [active] = periodics [periodiccnt + HEAP0 - 1];	2288	periodics [active] = periodics [periodiccnt + HEAP0];
2075	adjustheap (periodics, periodiccnt, active);	2289	adjustheap (periodics, periodiccnt, active);
2076	}	2290	}
2077
2078	--periodiccnt;
2079	}	2291	}
		2292
		2293	EV_FREQUENT_CHECK;
2080		2294
2081	ev_stop (EV_A_ (W)w);	2295	ev_stop (EV_A_ (W)w);
2082	}	2296	}
2083		2297
2084	void noinline	2298	void noinline
…		…
2104	return;	2318	return;
2105		2319
2106	assert (("ev_signal_start called with illegal signal number", w->signum > 0));	2320	assert (("ev_signal_start called with illegal signal number", w->signum > 0));
2107		2321
2108	evpipe_init (EV_A);	2322	evpipe_init (EV_A);
		2323
		2324	EV_FREQUENT_CHECK;
2109		2325
2110	{	2326	{
2111	#ifndef _WIN32	2327	#ifndef _WIN32
2112	sigset_t full, prev;	2328	sigset_t full, prev;
2113	sigfillset (&full);	2329	sigfillset (&full);
2114	sigprocmask (SIG_SETMASK, &full, &prev);	2330	sigprocmask (SIG_SETMASK, &full, &prev);
2115	#endif	2331	#endif
2116		2332
2117	array_needsize (ANSIG, signals, signalmax, w->signum, signals_init);	2333	array_needsize (ANSIG, signals, signalmax, w->signum, array_init_zero);
2118		2334
2119	#ifndef _WIN32	2335	#ifndef _WIN32
2120	sigprocmask (SIG_SETMASK, &prev, 0);	2336	sigprocmask (SIG_SETMASK, &prev, 0);
2121	#endif	2337	#endif
2122	}	2338	}
…		…
2134	sigfillset (&sa.sa_mask);	2350	sigfillset (&sa.sa_mask);
2135	sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */	2351	sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */
2136	sigaction (w->signum, &sa, 0);	2352	sigaction (w->signum, &sa, 0);
2137	#endif	2353	#endif
2138	}	2354	}
		2355
		2356	EV_FREQUENT_CHECK;
2139	}	2357	}
2140		2358
2141	void noinline	2359	void noinline
2142	ev_signal_stop (EV_P_ ev_signal *w)	2360	ev_signal_stop (EV_P_ ev_signal *w)
2143	{	2361	{
2144	clear_pending (EV_A_ (W)w);	2362	clear_pending (EV_A_ (W)w);
2145	if (expect_false (!ev_is_active (w)))	2363	if (expect_false (!ev_is_active (w)))
2146	return;	2364	return;
2147		2365
		2366	EV_FREQUENT_CHECK;
		2367
2148	wlist_del (&signals [w->signum - 1].head, (WL)w);	2368	wlist_del (&signals [w->signum - 1].head, (WL)w);
2149	ev_stop (EV_A_ (W)w);	2369	ev_stop (EV_A_ (W)w);
2150		2370
2151	if (!signals [w->signum - 1].head)	2371	if (!signals [w->signum - 1].head)
2152	signal (w->signum, SIG_DFL);	2372	signal (w->signum, SIG_DFL);
		2373
		2374	EV_FREQUENT_CHECK;
2153	}	2375	}
2154		2376
2155	void	2377	void
2156	ev_child_start (EV_P_ ev_child *w)	2378	ev_child_start (EV_P_ ev_child *w)
2157	{	2379	{
…		…
2159	assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr));	2381	assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
2160	#endif	2382	#endif
2161	if (expect_false (ev_is_active (w)))	2383	if (expect_false (ev_is_active (w)))
2162	return;	2384	return;
2163		2385
		2386	EV_FREQUENT_CHECK;
		2387
2164	ev_start (EV_A_ (W)w, 1);	2388	ev_start (EV_A_ (W)w, 1);
2165	wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);	2389	wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);
		2390
		2391	EV_FREQUENT_CHECK;
2166	}	2392	}
2167		2393
2168	void	2394	void
2169	ev_child_stop (EV_P_ ev_child *w)	2395	ev_child_stop (EV_P_ ev_child *w)
2170	{	2396	{
2171	clear_pending (EV_A_ (W)w);	2397	clear_pending (EV_A_ (W)w);
2172	if (expect_false (!ev_is_active (w)))	2398	if (expect_false (!ev_is_active (w)))
2173	return;	2399	return;
2174		2400
		2401	EV_FREQUENT_CHECK;
		2402
2175	wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);	2403	wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);
2176	ev_stop (EV_A_ (W)w);	2404	ev_stop (EV_A_ (W)w);
		2405
		2406	EV_FREQUENT_CHECK;
2177	}	2407	}
2178		2408
2179	#if EV_STAT_ENABLE	2409	#if EV_STAT_ENABLE
2180		2410
2181	# ifdef _WIN32	2411	# ifdef _WIN32
…		…
2250		2480
2251	static void noinline	2481	static void noinline
2252	infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)	2482	infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)
2253	{	2483	{
2254	if (slot < 0)	2484	if (slot < 0)
2255	/* overflow, need to check for all hahs slots */	2485	/* overflow, need to check for all hash slots */
2256	for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot)	2486	for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot)
2257	infy_wd (EV_A_ slot, wd, ev);	2487	infy_wd (EV_A_ slot, wd, ev);
2258	else	2488	else
2259	{	2489	{
2260	WL w_;	2490	WL w_;
…		…
2294	infy_init (EV_P)	2524	infy_init (EV_P)
2295	{	2525	{
2296	if (fs_fd != -2)	2526	if (fs_fd != -2)
2297	return;	2527	return;
2298		2528
		2529	/* kernels < 2.6.25 are borked
		2530	* http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html
		2531	*/
		2532	{
		2533	struct utsname buf;
		2534	int major, minor, micro;
		2535
		2536	fs_fd = -1;
		2537
		2538	if (uname (&buf))
		2539	return;
		2540
		2541	if (sscanf (buf.release, "%d.%d.%d", &major, &minor, &micro) != 3)
		2542	return;
		2543
		2544	if (major < 2
		2545	|| (major == 2 && minor < 6)
		2546	|| (major == 2 && minor == 6 && micro < 25))
		2547	return;
		2548	}
		2549
2299	fs_fd = inotify_init ();	2550	fs_fd = inotify_init ();
2300		2551
2301	if (fs_fd >= 0)	2552	if (fs_fd >= 0)
2302	{	2553	{
2303	ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ);	2554	ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ);
…		…
2332	if (fs_fd >= 0)	2583	if (fs_fd >= 0)
2333	infy_add (EV_A_ w); /* re-add, no matter what */	2584	infy_add (EV_A_ w); /* re-add, no matter what */
2334	else	2585	else
2335	ev_timer_start (EV_A_ &w->timer);	2586	ev_timer_start (EV_A_ &w->timer);
2336	}	2587	}
2337
2338	}	2588	}
2339	}	2589	}
2340		2590
		2591	#endif
		2592
		2593	#ifdef _WIN32
		2594	# define EV_LSTAT(p,b) _stati64 (p, b)
		2595	#else
		2596	# define EV_LSTAT(p,b) lstat (p, b)
2341	#endif	2597	#endif
2342		2598
2343	void	2599	void
2344	ev_stat_stat (EV_P_ ev_stat *w)	2600	ev_stat_stat (EV_P_ ev_stat *w)
2345	{	2601	{
…		…
2372	|| w->prev.st_atime != w->attr.st_atime	2628	|| w->prev.st_atime != w->attr.st_atime
2373	|| w->prev.st_mtime != w->attr.st_mtime	2629	|| w->prev.st_mtime != w->attr.st_mtime
2374	|| w->prev.st_ctime != w->attr.st_ctime	2630	|| w->prev.st_ctime != w->attr.st_ctime
2375	) {	2631	) {
2376	#if EV_USE_INOTIFY	2632	#if EV_USE_INOTIFY
		2633	if (fs_fd >= 0)
		2634	{
2377	infy_del (EV_A_ w);	2635	infy_del (EV_A_ w);
2378	infy_add (EV_A_ w);	2636	infy_add (EV_A_ w);
2379	ev_stat_stat (EV_A_ w); /* avoid race... */	2637	ev_stat_stat (EV_A_ w); /* avoid race... */
		2638	}
2380	#endif	2639	#endif
2381		2640
2382	ev_feed_event (EV_A_ w, EV_STAT);	2641	ev_feed_event (EV_A_ w, EV_STAT);
2383	}	2642	}
2384	}	2643	}
…		…
2409	else	2668	else
2410	#endif	2669	#endif
2411	ev_timer_start (EV_A_ &w->timer);	2670	ev_timer_start (EV_A_ &w->timer);
2412		2671
2413	ev_start (EV_A_ (W)w, 1);	2672	ev_start (EV_A_ (W)w, 1);
		2673
		2674	EV_FREQUENT_CHECK;
2414	}	2675	}
2415		2676
2416	void	2677	void
2417	ev_stat_stop (EV_P_ ev_stat *w)	2678	ev_stat_stop (EV_P_ ev_stat *w)
2418	{	2679	{
2419	clear_pending (EV_A_ (W)w);	2680	clear_pending (EV_A_ (W)w);
2420	if (expect_false (!ev_is_active (w)))	2681	if (expect_false (!ev_is_active (w)))
2421	return;	2682	return;
2422		2683
		2684	EV_FREQUENT_CHECK;
		2685
2423	#if EV_USE_INOTIFY	2686	#if EV_USE_INOTIFY
2424	infy_del (EV_A_ w);	2687	infy_del (EV_A_ w);
2425	#endif	2688	#endif
2426	ev_timer_stop (EV_A_ &w->timer);	2689	ev_timer_stop (EV_A_ &w->timer);
2427		2690
2428	ev_stop (EV_A_ (W)w);	2691	ev_stop (EV_A_ (W)w);
		2692
		2693	EV_FREQUENT_CHECK;
2429	}	2694	}
2430	#endif	2695	#endif
2431		2696
2432	#if EV_IDLE_ENABLE	2697	#if EV_IDLE_ENABLE
2433	void	2698	void
…		…
2435	{	2700	{
2436	if (expect_false (ev_is_active (w)))	2701	if (expect_false (ev_is_active (w)))
2437	return;	2702	return;
2438		2703
2439	pri_adjust (EV_A_ (W)w);	2704	pri_adjust (EV_A_ (W)w);
		2705
		2706	EV_FREQUENT_CHECK;
2440		2707
2441	{	2708	{
2442	int active = ++idlecnt [ABSPRI (w)];	2709	int active = ++idlecnt [ABSPRI (w)];
2443		2710
2444	++idleall;	2711	++idleall;
2445	ev_start (EV_A_ (W)w, active);	2712	ev_start (EV_A_ (W)w, active);
2446		2713
2447	array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2);	2714	array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2);
2448	idles [ABSPRI (w)][active - 1] = w;	2715	idles [ABSPRI (w)][active - 1] = w;
2449	}	2716	}
		2717
		2718	EV_FREQUENT_CHECK;
2450	}	2719	}
2451		2720
2452	void	2721	void
2453	ev_idle_stop (EV_P_ ev_idle *w)	2722	ev_idle_stop (EV_P_ ev_idle *w)
2454	{	2723	{
2455	clear_pending (EV_A_ (W)w);	2724	clear_pending (EV_A_ (W)w);
2456	if (expect_false (!ev_is_active (w)))	2725	if (expect_false (!ev_is_active (w)))
2457	return;	2726	return;
2458		2727
		2728	EV_FREQUENT_CHECK;
		2729
2459	{	2730	{
2460	int active = ev_active (w);	2731	int active = ev_active (w);
2461		2732
2462	idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]];	2733	idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]];
2463	ev_active (idles [ABSPRI (w)][active - 1]) = active;	2734	ev_active (idles [ABSPRI (w)][active - 1]) = active;
2464		2735
2465	ev_stop (EV_A_ (W)w);	2736	ev_stop (EV_A_ (W)w);
2466	--idleall;	2737	--idleall;
2467	}	2738	}
		2739
		2740	EV_FREQUENT_CHECK;
2468	}	2741	}
2469	#endif	2742	#endif
2470		2743
2471	void	2744	void
2472	ev_prepare_start (EV_P_ ev_prepare *w)	2745	ev_prepare_start (EV_P_ ev_prepare *w)
2473	{	2746	{
2474	if (expect_false (ev_is_active (w)))	2747	if (expect_false (ev_is_active (w)))
2475	return;	2748	return;
		2749
		2750	EV_FREQUENT_CHECK;
2476		2751
2477	ev_start (EV_A_ (W)w, ++preparecnt);	2752	ev_start (EV_A_ (W)w, ++preparecnt);
2478	array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2);	2753	array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2);
2479	prepares [preparecnt - 1] = w;	2754	prepares [preparecnt - 1] = w;
		2755
		2756	EV_FREQUENT_CHECK;
2480	}	2757	}
2481		2758
2482	void	2759	void
2483	ev_prepare_stop (EV_P_ ev_prepare *w)	2760	ev_prepare_stop (EV_P_ ev_prepare *w)
2484	{	2761	{
2485	clear_pending (EV_A_ (W)w);	2762	clear_pending (EV_A_ (W)w);
2486	if (expect_false (!ev_is_active (w)))	2763	if (expect_false (!ev_is_active (w)))
2487	return;	2764	return;
2488		2765
		2766	EV_FREQUENT_CHECK;
		2767
2489	{	2768	{
2490	int active = ev_active (w);	2769	int active = ev_active (w);
2491		2770
2492	prepares [active - 1] = prepares [--preparecnt];	2771	prepares [active - 1] = prepares [--preparecnt];
2493	ev_active (prepares [active - 1]) = active;	2772	ev_active (prepares [active - 1]) = active;
2494	}	2773	}
2495		2774
2496	ev_stop (EV_A_ (W)w);	2775	ev_stop (EV_A_ (W)w);
		2776
		2777	EV_FREQUENT_CHECK;
2497	}	2778	}
2498		2779
2499	void	2780	void
2500	ev_check_start (EV_P_ ev_check *w)	2781	ev_check_start (EV_P_ ev_check *w)
2501	{	2782	{
2502	if (expect_false (ev_is_active (w)))	2783	if (expect_false (ev_is_active (w)))
2503	return;	2784	return;
		2785
		2786	EV_FREQUENT_CHECK;
2504		2787
2505	ev_start (EV_A_ (W)w, ++checkcnt);	2788	ev_start (EV_A_ (W)w, ++checkcnt);
2506	array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2);	2789	array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2);
2507	checks [checkcnt - 1] = w;	2790	checks [checkcnt - 1] = w;
		2791
		2792	EV_FREQUENT_CHECK;
2508	}	2793	}
2509		2794
2510	void	2795	void
2511	ev_check_stop (EV_P_ ev_check *w)	2796	ev_check_stop (EV_P_ ev_check *w)
2512	{	2797	{
2513	clear_pending (EV_A_ (W)w);	2798	clear_pending (EV_A_ (W)w);
2514	if (expect_false (!ev_is_active (w)))	2799	if (expect_false (!ev_is_active (w)))
2515	return;	2800	return;
2516		2801
		2802	EV_FREQUENT_CHECK;
		2803
2517	{	2804	{
2518	int active = ev_active (w);	2805	int active = ev_active (w);
2519		2806
2520	checks [active - 1] = checks [--checkcnt];	2807	checks [active - 1] = checks [--checkcnt];
2521	ev_active (checks [active - 1]) = active;	2808	ev_active (checks [active - 1]) = active;
2522	}	2809	}
2523		2810
2524	ev_stop (EV_A_ (W)w);	2811	ev_stop (EV_A_ (W)w);
		2812
		2813	EV_FREQUENT_CHECK;
2525	}	2814	}
2526		2815
2527	#if EV_EMBED_ENABLE	2816	#if EV_EMBED_ENABLE
2528	void noinline	2817	void noinline
2529	ev_embed_sweep (EV_P_ ev_embed *w)	2818	ev_embed_sweep (EV_P_ ev_embed *w)
…		…
2556	ev_loop (EV_A_ EVLOOP_NONBLOCK);	2845	ev_loop (EV_A_ EVLOOP_NONBLOCK);
2557	}	2846	}
2558	}	2847	}
2559	}	2848	}
2560		2849
		2850	static void
		2851	embed_fork_cb (EV_P_ ev_fork *fork_w, int revents)
		2852	{
		2853	ev_embed *w = (ev_embed *)(((char *)fork_w) - offsetof (ev_embed, fork));
		2854
		2855	{
		2856	struct ev_loop *loop = w->other;
		2857
		2858	ev_loop_fork (EV_A);
		2859	}
		2860	}
		2861
2561	#if 0	2862	#if 0
2562	static void	2863	static void
2563	embed_idle_cb (EV_P_ ev_idle *idle, int revents)	2864	embed_idle_cb (EV_P_ ev_idle *idle, int revents)
2564	{	2865	{
2565	ev_idle_stop (EV_A_ idle);	2866	ev_idle_stop (EV_A_ idle);
…		…
2576	struct ev_loop *loop = w->other;	2877	struct ev_loop *loop = w->other;
2577	assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ()));	2878	assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ()));
2578	ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ);	2879	ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ);
2579	}	2880	}
2580		2881
		2882	EV_FREQUENT_CHECK;
		2883
2581	ev_set_priority (&w->io, ev_priority (w));	2884	ev_set_priority (&w->io, ev_priority (w));
2582	ev_io_start (EV_A_ &w->io);	2885	ev_io_start (EV_A_ &w->io);
2583		2886
2584	ev_prepare_init (&w->prepare, embed_prepare_cb);	2887	ev_prepare_init (&w->prepare, embed_prepare_cb);
2585	ev_set_priority (&w->prepare, EV_MINPRI);	2888	ev_set_priority (&w->prepare, EV_MINPRI);
2586	ev_prepare_start (EV_A_ &w->prepare);	2889	ev_prepare_start (EV_A_ &w->prepare);
2587		2890
		2891	ev_fork_init (&w->fork, embed_fork_cb);
		2892	ev_fork_start (EV_A_ &w->fork);
		2893
2588	/*ev_idle_init (&w->idle, e,bed_idle_cb);*/	2894	/*ev_idle_init (&w->idle, e,bed_idle_cb);*/
2589		2895
2590	ev_start (EV_A_ (W)w, 1);	2896	ev_start (EV_A_ (W)w, 1);
		2897
		2898	EV_FREQUENT_CHECK;
2591	}	2899	}
2592		2900
2593	void	2901	void
2594	ev_embed_stop (EV_P_ ev_embed *w)	2902	ev_embed_stop (EV_P_ ev_embed *w)
2595	{	2903	{
2596	clear_pending (EV_A_ (W)w);	2904	clear_pending (EV_A_ (W)w);
2597	if (expect_false (!ev_is_active (w)))	2905	if (expect_false (!ev_is_active (w)))
2598	return;	2906	return;
2599		2907
		2908	EV_FREQUENT_CHECK;
		2909
2600	ev_io_stop (EV_A_ &w->io);	2910	ev_io_stop (EV_A_ &w->io);
2601	ev_prepare_stop (EV_A_ &w->prepare);	2911	ev_prepare_stop (EV_A_ &w->prepare);
		2912	ev_fork_stop (EV_A_ &w->fork);
2602		2913
2603	ev_stop (EV_A_ (W)w);	2914	EV_FREQUENT_CHECK;
2604	}	2915	}
2605	#endif	2916	#endif
2606		2917
2607	#if EV_FORK_ENABLE	2918	#if EV_FORK_ENABLE
2608	void	2919	void
2609	ev_fork_start (EV_P_ ev_fork *w)	2920	ev_fork_start (EV_P_ ev_fork *w)
2610	{	2921	{
2611	if (expect_false (ev_is_active (w)))	2922	if (expect_false (ev_is_active (w)))
2612	return;	2923	return;
		2924
		2925	EV_FREQUENT_CHECK;
2613		2926
2614	ev_start (EV_A_ (W)w, ++forkcnt);	2927	ev_start (EV_A_ (W)w, ++forkcnt);
2615	array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2);	2928	array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2);
2616	forks [forkcnt - 1] = w;	2929	forks [forkcnt - 1] = w;
		2930
		2931	EV_FREQUENT_CHECK;
2617	}	2932	}
2618		2933
2619	void	2934	void
2620	ev_fork_stop (EV_P_ ev_fork *w)	2935	ev_fork_stop (EV_P_ ev_fork *w)
2621	{	2936	{
2622	clear_pending (EV_A_ (W)w);	2937	clear_pending (EV_A_ (W)w);
2623	if (expect_false (!ev_is_active (w)))	2938	if (expect_false (!ev_is_active (w)))
2624	return;	2939	return;
2625		2940
		2941	EV_FREQUENT_CHECK;
		2942
2626	{	2943	{
2627	int active = ev_active (w);	2944	int active = ev_active (w);
2628		2945
2629	forks [active - 1] = forks [--forkcnt];	2946	forks [active - 1] = forks [--forkcnt];
2630	ev_active (forks [active - 1]) = active;	2947	ev_active (forks [active - 1]) = active;
2631	}	2948	}
2632		2949
2633	ev_stop (EV_A_ (W)w);	2950	ev_stop (EV_A_ (W)w);
		2951
		2952	EV_FREQUENT_CHECK;
2634	}	2953	}
2635	#endif	2954	#endif
2636		2955
2637	#if EV_ASYNC_ENABLE	2956	#if EV_ASYNC_ENABLE
2638	void	2957	void
…		…
2640	{	2959	{
2641	if (expect_false (ev_is_active (w)))	2960	if (expect_false (ev_is_active (w)))
2642	return;	2961	return;
2643		2962
2644	evpipe_init (EV_A);	2963	evpipe_init (EV_A);
		2964
		2965	EV_FREQUENT_CHECK;
2645		2966
2646	ev_start (EV_A_ (W)w, ++asynccnt);	2967	ev_start (EV_A_ (W)w, ++asynccnt);
2647	array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2);	2968	array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2);
2648	asyncs [asynccnt - 1] = w;	2969	asyncs [asynccnt - 1] = w;
		2970
		2971	EV_FREQUENT_CHECK;
2649	}	2972	}
2650		2973
2651	void	2974	void
2652	ev_async_stop (EV_P_ ev_async *w)	2975	ev_async_stop (EV_P_ ev_async *w)
2653	{	2976	{
2654	clear_pending (EV_A_ (W)w);	2977	clear_pending (EV_A_ (W)w);
2655	if (expect_false (!ev_is_active (w)))	2978	if (expect_false (!ev_is_active (w)))
2656	return;	2979	return;
2657		2980
		2981	EV_FREQUENT_CHECK;
		2982
2658	{	2983	{
2659	int active = ev_active (w);	2984	int active = ev_active (w);
2660		2985
2661	asyncs [active - 1] = asyncs [--asynccnt];	2986	asyncs [active - 1] = asyncs [--asynccnt];
2662	ev_active (asyncs [active - 1]) = active;	2987	ev_active (asyncs [active - 1]) = active;
2663	}	2988	}
2664		2989
2665	ev_stop (EV_A_ (W)w);	2990	ev_stop (EV_A_ (W)w);
		2991
		2992	EV_FREQUENT_CHECK;
2666	}	2993	}
2667		2994
2668	void	2995	void
2669	ev_async_send (EV_P_ ev_async *w)	2996	ev_async_send (EV_P_ ev_async *w)
2670	{	2997	{
…		…
2687	once_cb (EV_P_ struct ev_once *once, int revents)	3014	once_cb (EV_P_ struct ev_once *once, int revents)
2688	{	3015	{
2689	void (*cb)(int revents, void *arg) = once->cb;	3016	void (*cb)(int revents, void *arg) = once->cb;
2690	void *arg = once->arg;	3017	void *arg = once->arg;
2691		3018
2692	ev_io_stop (EV_A_ &once->io);	3019	ev_io_stop (EV_A_ &once->io);
2693	ev_timer_stop (EV_A_ &once->to);	3020	ev_timer_stop (EV_A_ &once->to);
2694	ev_free (once);	3021	ev_free (once);
2695		3022
2696	cb (revents, arg);	3023	cb (revents, arg);
2697	}	3024	}
2698		3025
2699	static void	3026	static void
2700	once_cb_io (EV_P_ ev_io *w, int revents)	3027	once_cb_io (EV_P_ ev_io *w, int revents)
2701	{	3028	{
2702	once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, io)), revents);	3029	struct ev_once *once = (struct ev_once *)(((char *)w) - offsetof (struct ev_once, io));
		3030
		3031	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->to));
2703	}	3032	}
2704		3033
2705	static void	3034	static void
2706	once_cb_to (EV_P_ ev_timer *w, int revents)	3035	once_cb_to (EV_P_ ev_timer *w, int revents)
2707	{	3036	{
2708	once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, to)), revents);	3037	struct ev_once *once = (struct ev_once *)(((char *)w) - offsetof (struct ev_once, to));
		3038
		3039	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));
2709	}	3040	}
2710		3041
2711	void	3042	void
2712	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg)	3043	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg)
2713	{	3044	{

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