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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 1.269 by root, Wed Oct 29 06:32:48 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
…		…
422	W w;	466	W w;
423	int events;	467	int events;
424	} ANPENDING;	468	} ANPENDING;
425		469
426	#if EV_USE_INOTIFY	470	#if EV_USE_INOTIFY
		471	/* hash table entry per inotify-id */
427	typedef struct	472	typedef struct
428	{	473	{
429	WL head;	474	WL head;
430	} ANFS;	475	} ANFS;
		476	#endif
		477
		478	/* Heap Entry */
		479	#if EV_HEAP_CACHE_AT
		480	typedef struct {
		481	ev_tstamp at;
		482	WT w;
		483	} ANHE;
		484
		485	#define ANHE_w(he) (he).w /* access watcher, read-write */
		486	#define ANHE_at(he) (he).at /* access cached at, read-only */
		487	#define ANHE_at_cache(he) (he).at = (he).w->at /* update at from watcher */
		488	#else
		489	typedef WT ANHE;
		490
		491	#define ANHE_w(he) (he)
		492	#define ANHE_at(he) (he)->at
		493	#define ANHE_at_cache(he)
431	#endif	494	#endif
432		495
433	#if EV_MULTIPLICITY	496	#if EV_MULTIPLICITY
434		497
435	struct ev_loop	498	struct ev_loop
…		…
513	struct timeval tv;	576	struct timeval tv;
514		577
515	tv.tv_sec = (time_t)delay;	578	tv.tv_sec = (time_t)delay;
516	tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6);	579	tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6);
517		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 */
518	select (0, 0, 0, 0, &tv);	584	select (0, 0, 0, 0, &tv);
519	#endif	585	#endif
520	}	586	}
521	}	587	}
522		588
…		…
549	array_realloc (int elem, void *base, int *cur, int cnt)	615	array_realloc (int elem, void *base, int *cur, int cnt)
550	{	616	{
551	*cur = array_nextsize (elem, *cur, cnt);	617	*cur = array_nextsize (elem, *cur, cnt);
552	return ev_realloc (base, elem * *cur);	618	return ev_realloc (base, elem * *cur);
553	}	619	}
		620
		621	#define array_init_zero(base,count) \
		622	memset ((void *)(base), 0, sizeof (*(base)) * (count))
554		623
555	#define array_needsize(type,base,cur,cnt,init) \	624	#define array_needsize(type,base,cur,cnt,init) \
556	if (expect_false ((cnt) > (cur))) \	625	if (expect_false ((cnt) > (cur))) \
557	{ \	626	{ \
558	int ocur_ = (cur); \	627	int ocur_ = (cur); \
…		…
602	ev_feed_event (EV_A_ events [i], type);	671	ev_feed_event (EV_A_ events [i], type);
603	}	672	}
604		673
605	/*****************************************************************************/	674	/*****************************************************************************/
606		675
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	676	void inline_speed
621	fd_event (EV_P_ int fd, int revents)	677	fd_event (EV_P_ int fd, int revents)
622	{	678	{
623	ANFD *anfd = anfds + fd;	679	ANFD *anfd = anfds + fd;
624	ev_io *w;	680	ev_io *w;
…		…
656	events |= (unsigned char)w->events;	712	events |= (unsigned char)w->events;
657		713
658	#if EV_SELECT_IS_WINSOCKET	714	#if EV_SELECT_IS_WINSOCKET
659	if (events)	715	if (events)
660	{	716	{
661	unsigned long argp;	717	unsigned long arg;
662	#ifdef EV_FD_TO_WIN32_HANDLE	718	#ifdef EV_FD_TO_WIN32_HANDLE
663	anfd->handle = EV_FD_TO_WIN32_HANDLE (fd);	719	anfd->handle = EV_FD_TO_WIN32_HANDLE (fd);
664	#else	720	#else
665	anfd->handle = _get_osfhandle (fd);	721	anfd->handle = _get_osfhandle (fd);
666	#endif	722	#endif
667	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));
668	}	724	}
669	#endif	725	#endif
670		726
671	{	727	{
672	unsigned char o_events = anfd->events;	728	unsigned char o_events = anfd->events;
…		…
725	{	781	{
726	int fd;	782	int fd;
727		783
728	for (fd = 0; fd < anfdmax; ++fd)	784	for (fd = 0; fd < anfdmax; ++fd)
729	if (anfds [fd].events)	785	if (anfds [fd].events)
730	if (!fd_valid (fd) == -1 && errno == EBADF)	786	if (!fd_valid (fd) && errno == EBADF)
731	fd_kill (EV_A_ fd);	787	fd_kill (EV_A_ fd);
732	}	788	}
733		789
734	/* 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 */
735	static void noinline	791	static void noinline
…		…
753		809
754	for (fd = 0; fd < anfdmax; ++fd)	810	for (fd = 0; fd < anfdmax; ++fd)
755	if (anfds [fd].events)	811	if (anfds [fd].events)
756	{	812	{
757	anfds [fd].events = 0;	813	anfds [fd].events = 0;
		814	anfds [fd].emask = 0;
758	fd_change (EV_A_ fd, EV_IOFDSET | 1);	815	fd_change (EV_A_ fd, EV_IOFDSET | 1);
759	}	816	}
760	}	817	}
761		818
762	/*****************************************************************************/	819	/*****************************************************************************/
		820
		821	/*
		822	* the heap functions want a real array index. array index 0 uis guaranteed to not
		823	* be in-use at any time. the first heap entry is at array [HEAP0]. DHEAP gives
		824	* the branching factor of the d-tree.
		825	*/
763		826
764	/*	827	/*
765	* at the moment we allow libev the luxury of two heaps,	828	* 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	829	* a small-code-size 2-heap one and a ~1.5kb larger 4-heap
767	* which is more cache-efficient.	830	* which is more cache-efficient.
768	* the difference is about 5% with 50000+ watchers.	831	* the difference is about 5% with 50000+ watchers.
769	*/	832	*/
770	#define USE_4HEAP !EV_MINIMAL
771	#if USE_4HEAP	833	#if EV_USE_4HEAP
772		834
773	#define DHEAP 4	835	#define DHEAP 4
774	#define HEAP0 (DHEAP - 1) /* index of first element in heap */	836	#define HEAP0 (DHEAP - 1) /* index of first element in heap */
775		837	#define HPARENT(k) ((((k) - HEAP0 - 1) / DHEAP) + HEAP0)
776	/* towards the root */	838	#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		839
799	/* away from the root */	840	/* away from the root */
800	void inline_speed	841	void inline_speed
801	downheap (WT *heap, int N, int k)	842	downheap (ANHE *heap, int N, int k)
802	{	843	{
803	WT w = heap [k];	844	ANHE he = heap [k];
804	WT *E = heap + N + HEAP0;	845	ANHE *E = heap + N + HEAP0;
805		846
806	for (;;)	847	for (;;)
807	{	848	{
808	ev_tstamp minat;	849	ev_tstamp minat;
809	WT *minpos;	850	ANHE *minpos;
810	WT *pos = heap + DHEAP * (k - HEAP0) + HEAP0;	851	ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0 + 1;
811		852
812	// find minimum child	853	/* find minimum child */
813	if (expect_true (pos + DHEAP - 1 < E))	854	if (expect_true (pos + DHEAP - 1 < E))
814	{	855	{
815	/* fast path */ (minpos = pos + 0), (minat = (*minpos)->at);	856	/* fast path */ (minpos = pos + 0), (minat = ANHE_at (*minpos));
816	if (pos [1]->at < minat) (minpos = pos + 1), (minat = (*minpos)->at);	857	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);	858	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);	859	if ( ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos));
819	}	860	}
820	else if (pos < E)	861	else if (pos < E)
821	{	862	{
822	/* slow path */ (minpos = pos + 0), (minat = (*minpos)->at);	863	/* slow path */ (minpos = pos + 0), (minat = ANHE_at (*minpos));
823	if (pos + 1 < E && pos [1]->at < minat) (minpos = pos + 1), (minat = (*minpos)->at);	864	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);	865	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);	866	if (pos + 3 < E && ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos));
826	}	867	}
827	else	868	else
828	break;	869	break;
829		870
830	if (w->at <= minat)	871	if (ANHE_at (he) <= minat)
831	break;	872	break;
832		873
833	ev_active (*minpos) = k;
834	heap [k] = *minpos;	874	heap [k] = *minpos;
		875	ev_active (ANHE_w (*minpos)) = k;
835		876
836	k = minpos - heap;	877	k = minpos - heap;
837	}	878	}
838		879
839	heap [k] = w;	880	heap [k] = he;
840	ev_active (heap [k]) = k;	881	ev_active (ANHE_w (he)) = k;
841	}	882	}
842		883
843	#else // 4HEAP	884	#else /* 4HEAP */
844		885
845	#define HEAP0 1	886	#define HEAP0 1
		887	#define HPARENT(k) ((k) >> 1)
		888	#define UPHEAP_DONE(p,k) (!(p))
		889
		890	/* away from the root */
		891	void inline_speed
		892	downheap (ANHE *heap, int N, int k)
		893	{
		894	ANHE he = heap [k];
		895
		896	for (;;)
		897	{
		898	int c = k << 1;
		899
		900	if (c > N + HEAP0 - 1)
		901	break;
		902
		903	c += c + 1 < N + HEAP0 && ANHE_at (heap [c]) > ANHE_at (heap [c + 1])
		904	? 1 : 0;
		905
		906	if (ANHE_at (he) <= ANHE_at (heap [c]))
		907	break;
		908
		909	heap [k] = heap [c];
		910	ev_active (ANHE_w (heap [k])) = k;
		911
		912	k = c;
		913	}
		914
		915	heap [k] = he;
		916	ev_active (ANHE_w (he)) = k;
		917	}
		918	#endif
846		919
847	/* towards the root */	920	/* towards the root */
848	void inline_speed	921	void inline_speed
849	upheap (WT *heap, int k)	922	upheap (ANHE *heap, int k)
850	{	923	{
851	WT w = heap [k];	924	ANHE he = heap [k];
852		925
853	for (;;)	926	for (;;)
854	{	927	{
855	int p = k >> 1;	928	int p = HPARENT (k);
856		929
857	/* maybe we could use a dummy element at heap [0]? */	930	if (UPHEAP_DONE (p, k) || ANHE_at (heap [p]) <= ANHE_at (he))
858	if (!p || heap [p]->at <= w->at)
859	break;	931	break;
860		932
861	heap [k] = heap [p];	933	heap [k] = heap [p];
862	ev_active (heap [k]) = k;	934	ev_active (ANHE_w (heap [k])) = k;
863	k = p;	935	k = p;
864	}	936	}
865		937
866	heap [k] = w;	938	heap [k] = he;
867	ev_active (heap [k]) = k;	939	ev_active (ANHE_w (he)) = k;
868	}	940	}
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		941
900	void inline_size	942	void inline_size
901	adjustheap (WT *heap, int N, int k)	943	adjustheap (ANHE *heap, int N, int k)
902	{	944	{
		945	if (k > HEAP0 && ANHE_at (heap [HPARENT (k)]) >= ANHE_at (heap [k]))
903	upheap (heap, k);	946	upheap (heap, k);
		947	else
904	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);
905	}	961	}
906		962
907	/*****************************************************************************/	963	/*****************************************************************************/
908		964
909	typedef struct	965	typedef struct
…		…
915	static ANSIG *signals;	971	static ANSIG *signals;
916	static int signalmax;	972	static int signalmax;
917		973
918	static EV_ATOMIC_T gotsig;	974	static EV_ATOMIC_T gotsig;
919		975
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	/*****************************************************************************/	976	/*****************************************************************************/
933		977
934	void inline_speed	978	void inline_speed
935	fd_intern (int fd)	979	fd_intern (int fd)
936	{	980	{
937	#ifdef _WIN32	981	#ifdef _WIN32
938	int arg = 1;	982	unsigned long arg = 1;
939	ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg);	983	ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg);
940	#else	984	#else
941	fcntl (fd, F_SETFD, FD_CLOEXEC);	985	fcntl (fd, F_SETFD, FD_CLOEXEC);
942	fcntl (fd, F_SETFL, O_NONBLOCK);	986	fcntl (fd, F_SETFL, O_NONBLOCK);
943	#endif	987	#endif
…		…
957	}	1001	}
958	else	1002	else
959	#endif	1003	#endif
960	{	1004	{
961	while (pipe (evpipe))	1005	while (pipe (evpipe))
962	syserr ("(libev) error creating signal/async pipe");	1006	ev_syserr ("(libev) error creating signal/async pipe");
963		1007
964	fd_intern (evpipe [0]);	1008	fd_intern (evpipe [0]);
965	fd_intern (evpipe [1]);	1009	fd_intern (evpipe [1]);
966	ev_io_set (&pipeev, evpipe [0], EV_READ);	1010	ev_io_set (&pipeev, evpipe [0], EV_READ);
967	}	1011	}
…		…
1427		1471
1428	postfork = 0;	1472	postfork = 0;
1429	}	1473	}
1430		1474
1431	#if EV_MULTIPLICITY	1475	#if EV_MULTIPLICITY
		1476
1432	struct ev_loop *	1477	struct ev_loop *
1433	ev_loop_new (unsigned int flags)	1478	ev_loop_new (unsigned int flags)
1434	{	1479	{
1435	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));
1436		1481
…		…
1454	void	1499	void
1455	ev_loop_fork (EV_P)	1500	ev_loop_fork (EV_P)
1456	{	1501	{
1457	postfork = 1; /* must be in line with ev_default_fork */	1502	postfork = 1; /* must be in line with ev_default_fork */
1458	}	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)
1459	#endif	1600	# endif
		1601	#endif
		1602	}
		1603
		1604	#endif /* multiplicity */
1460		1605
1461	#if EV_MULTIPLICITY	1606	#if EV_MULTIPLICITY
1462	struct ev_loop *	1607	struct ev_loop *
1463	ev_default_loop_init (unsigned int flags)	1608	ev_default_loop_init (unsigned int flags)
1464	#else	1609	#else
…		…
1497	{	1642	{
1498	#if EV_MULTIPLICITY	1643	#if EV_MULTIPLICITY
1499	struct ev_loop *loop = ev_default_loop_ptr;	1644	struct ev_loop *loop = ev_default_loop_ptr;
1500	#endif	1645	#endif
1501		1646
		1647	ev_default_loop_ptr = 0;
		1648
1502	#ifndef _WIN32	1649	#ifndef _WIN32
1503	ev_ref (EV_A); /* child watcher */	1650	ev_ref (EV_A); /* child watcher */
1504	ev_signal_stop (EV_A_ &childev);	1651	ev_signal_stop (EV_A_ &childev);
1505	#endif	1652	#endif
1506		1653
…		…
1512	{	1659	{
1513	#if EV_MULTIPLICITY	1660	#if EV_MULTIPLICITY
1514	struct ev_loop *loop = ev_default_loop_ptr;	1661	struct ev_loop *loop = ev_default_loop_ptr;
1515	#endif	1662	#endif
1516		1663
1517	if (backend)	1664	ev_loop_fork (EV_A);
1518	postfork = 1; /* must be in line with ev_loop_fork */
1519	}	1665	}
1520		1666
1521	/*****************************************************************************/	1667	/*****************************************************************************/
1522		1668
1523	void	1669	void
…		…
1540	{	1686	{
1541	/*assert (("non-pending watcher on pending list", p->w->pending));*/	1687	/*assert (("non-pending watcher on pending list", p->w->pending));*/
1542		1688
1543	p->w->pending = 0;	1689	p->w->pending = 0;
1544	EV_CB_INVOKE (p->w, p->events);	1690	EV_CB_INVOKE (p->w, p->events);
		1691	EV_FREQUENT_CHECK;
1545	}	1692	}
1546	}	1693	}
1547	}	1694	}
1548		1695
1549	#if EV_IDLE_ENABLE	1696	#if EV_IDLE_ENABLE
…		…
1570	#endif	1717	#endif
1571		1718
1572	void inline_size	1719	void inline_size
1573	timers_reify (EV_P)	1720	timers_reify (EV_P)
1574	{	1721	{
		1722	EV_FREQUENT_CHECK;
		1723
1575	while (timercnt && ev_at (timers [HEAP0]) <= mn_now)	1724	while (timercnt && ANHE_at (timers [HEAP0]) < mn_now)
1576	{	1725	{
1577	ev_timer *w = (ev_timer *)timers [HEAP0];	1726	ev_timer *w = (ev_timer *)ANHE_w (timers [HEAP0]);
1578		1727
1579	/*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/	1728	/*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/
1580		1729
1581	/* first reschedule or stop timer */	1730	/* first reschedule or stop timer */
1582	if (w->repeat)	1731	if (w->repeat)
1583	{	1732	{
1584	assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));
1585
1586	ev_at (w) += w->repeat;	1733	ev_at (w) += w->repeat;
1587	if (ev_at (w) < mn_now)	1734	if (ev_at (w) < mn_now)
1588	ev_at (w) = mn_now;	1735	ev_at (w) = mn_now;
1589		1736
		1737	assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));
		1738
		1739	ANHE_at_cache (timers [HEAP0]);
1590	downheap (timers, timercnt, HEAP0);	1740	downheap (timers, timercnt, HEAP0);
1591	}	1741	}
1592	else	1742	else
1593	ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */	1743	ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */
1594		1744
		1745	EV_FREQUENT_CHECK;
1595	ev_feed_event (EV_A_ (W)w, EV_TIMEOUT);	1746	ev_feed_event (EV_A_ (W)w, EV_TIMEOUT);
1596	}	1747	}
1597	}	1748	}
1598		1749
1599	#if EV_PERIODIC_ENABLE	1750	#if EV_PERIODIC_ENABLE
1600	void inline_size	1751	void inline_size
1601	periodics_reify (EV_P)	1752	periodics_reify (EV_P)
1602	{	1753	{
		1754	EV_FREQUENT_CHECK;
		1755
1603	while (periodiccnt && ev_at (periodics [HEAP0]) <= ev_rt_now)	1756	while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)
1604	{	1757	{
1605	ev_periodic *w = (ev_periodic *)periodics [HEAP0];	1758	ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]);
1606		1759
1607	/*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/	1760	/*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/
1608		1761
1609	/* first reschedule or stop timer */	1762	/* first reschedule or stop timer */
1610	if (w->reschedule_cb)	1763	if (w->reschedule_cb)
1611	{	1764	{
1612	ev_at (w) = w->reschedule_cb (w, ev_rt_now + TIME_EPSILON);	1765	ev_at (w) = w->reschedule_cb (w, ev_rt_now);
		1766
1613	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]);
1614	downheap (periodics, periodiccnt, 1);	1770	downheap (periodics, periodiccnt, HEAP0);
1615	}	1771	}
1616	else if (w->interval)	1772	else if (w->interval)
1617	{	1773	{
1618	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 */
1619	if (ev_at (w) - ev_rt_now <= TIME_EPSILON) ev_at (w) += w->interval;	1777	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));	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]);
1621	downheap (periodics, periodiccnt, HEAP0);	1789	downheap (periodics, periodiccnt, HEAP0);
1622	}	1790	}
1623	else	1791	else
1624	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */	1792	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */
1625		1793
		1794	EV_FREQUENT_CHECK;
1626	ev_feed_event (EV_A_ (W)w, EV_PERIODIC);	1795	ev_feed_event (EV_A_ (W)w, EV_PERIODIC);
1627	}	1796	}
1628	}	1797	}
1629		1798
1630	static void noinline	1799	static void noinline
1631	periodics_reschedule (EV_P)	1800	periodics_reschedule (EV_P)
1632	{	1801	{
1633	int i;	1802	int i;
1634		1803
1635	/* adjust periodics after time jump */	1804	/* adjust periodics after time jump */
1636	for (i = 1; i <= periodiccnt; ++i)	1805	for (i = HEAP0; i < periodiccnt + HEAP0; ++i)
1637	{	1806	{
1638	ev_periodic *w = (ev_periodic *)periodics [i];	1807	ev_periodic *w = (ev_periodic *)ANHE_w (periodics [i]);
1639		1808
1640	if (w->reschedule_cb)	1809	if (w->reschedule_cb)
1641	ev_at (w) = w->reschedule_cb (w, ev_rt_now);	1810	ev_at (w) = w->reschedule_cb (w, ev_rt_now);
1642	else if (w->interval)	1811	else if (w->interval)
1643	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;
1644	}
1645		1813
1646	/* now rebuild the heap */	1814	ANHE_at_cache (periodics [i]);
1647	for (i = periodiccnt >> 1; --i; )	1815	}
		1816
1648	downheap (periodics, periodiccnt, i + HEAP0);	1817	reheap (periodics, periodiccnt);
1649	}	1818	}
1650	#endif	1819	#endif
1651		1820
1652	void inline_speed	1821	void inline_speed
1653	time_update (EV_P_ ev_tstamp max_block)	1822	time_update (EV_P_ ev_tstamp max_block)
…		…
1707	{	1876	{
1708	#if EV_PERIODIC_ENABLE	1877	#if EV_PERIODIC_ENABLE
1709	periodics_reschedule (EV_A);	1878	periodics_reschedule (EV_A);
1710	#endif	1879	#endif
1711	/* 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 */
1712	for (i = 1; i <= timercnt; ++i)	1881	for (i = 0; i < timercnt; ++i)
1713	ev_at (timers [i]) += ev_rt_now - mn_now;	1882	{
		1883	ANHE *he = timers + i + HEAP0;
		1884	ANHE_w (*he)->at += ev_rt_now - mn_now;
		1885	ANHE_at_cache (*he);
		1886	}
1714	}	1887	}
1715		1888
1716	mn_now = ev_rt_now;	1889	mn_now = ev_rt_now;
1717	}	1890	}
1718	}	1891	}
…		…
1727	ev_unref (EV_P)	1900	ev_unref (EV_P)
1728	{	1901	{
1729	--activecnt;	1902	--activecnt;
1730	}	1903	}
1731		1904
		1905	void
		1906	ev_now_update (EV_P)
		1907	{
		1908	time_update (EV_A_ 1e100);
		1909	}
		1910
1732	static int loop_done;	1911	static int loop_done;
1733		1912
1734	void	1913	void
1735	ev_loop (EV_P_ int flags)	1914	ev_loop (EV_P_ int flags)
1736	{	1915	{
…		…
1738		1917
1739	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 */
1740		1919
1741	do	1920	do
1742	{	1921	{
		1922	#if EV_VERIFY >= 2
		1923	ev_loop_verify (EV_A);
		1924	#endif
		1925
1743	#ifndef _WIN32	1926	#ifndef _WIN32
1744	if (expect_false (curpid)) /* penalise the forking check even more */	1927	if (expect_false (curpid)) /* penalise the forking check even more */
1745	if (expect_false (getpid () != curpid))	1928	if (expect_false (getpid () != curpid))
1746	{	1929	{
1747	curpid = getpid ();	1930	curpid = getpid ();
…		…
1788		1971
1789	waittime = MAX_BLOCKTIME;	1972	waittime = MAX_BLOCKTIME;
1790		1973
1791	if (timercnt)	1974	if (timercnt)
1792	{	1975	{
1793	ev_tstamp to = ev_at (timers [HEAP0]) - mn_now + backend_fudge;	1976	ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge;
1794	if (waittime > to) waittime = to;	1977	if (waittime > to) waittime = to;
1795	}	1978	}
1796		1979
1797	#if EV_PERIODIC_ENABLE	1980	#if EV_PERIODIC_ENABLE
1798	if (periodiccnt)	1981	if (periodiccnt)
1799	{	1982	{
1800	ev_tstamp to = ev_at (periodics [HEAP0]) - ev_rt_now + backend_fudge;	1983	ev_tstamp to = ANHE_at (periodics [HEAP0]) - ev_rt_now + backend_fudge;
1801	if (waittime > to) waittime = to;	1984	if (waittime > to) waittime = to;
1802	}	1985	}
1803	#endif	1986	#endif
1804		1987
1805	if (expect_false (waittime < timeout_blocktime))	1988	if (expect_false (waittime < timeout_blocktime))
…		…
1941		2124
1942	if (expect_false (ev_is_active (w)))	2125	if (expect_false (ev_is_active (w)))
1943	return;	2126	return;
1944		2127
1945	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;
1946		2132
1947	ev_start (EV_A_ (W)w, 1);	2133	ev_start (EV_A_ (W)w, 1);
1948	array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init);	2134	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);
1949	wlist_add (&anfds[fd].head, (WL)w);	2135	wlist_add (&anfds[fd].head, (WL)w);
1950		2136
1951	fd_change (EV_A_ fd, w->events & EV_IOFDSET | 1);	2137	fd_change (EV_A_ fd, w->events & EV_IOFDSET | 1);
1952	w->events &= ~EV_IOFDSET;	2138	w->events &= ~EV_IOFDSET;
		2139
		2140	EV_FREQUENT_CHECK;
1953	}	2141	}
1954		2142
1955	void noinline	2143	void noinline
1956	ev_io_stop (EV_P_ ev_io *w)	2144	ev_io_stop (EV_P_ ev_io *w)
1957	{	2145	{
1958	clear_pending (EV_A_ (W)w);	2146	clear_pending (EV_A_ (W)w);
1959	if (expect_false (!ev_is_active (w)))	2147	if (expect_false (!ev_is_active (w)))
1960	return;	2148	return;
1961		2149
1962	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;
1963		2153
1964	wlist_del (&anfds[w->fd].head, (WL)w);	2154	wlist_del (&anfds[w->fd].head, (WL)w);
1965	ev_stop (EV_A_ (W)w);	2155	ev_stop (EV_A_ (W)w);
1966		2156
1967	fd_change (EV_A_ w->fd, 1);	2157	fd_change (EV_A_ w->fd, 1);
		2158
		2159	EV_FREQUENT_CHECK;
1968	}	2160	}
1969		2161
1970	void noinline	2162	void noinline
1971	ev_timer_start (EV_P_ ev_timer *w)	2163	ev_timer_start (EV_P_ ev_timer *w)
1972	{	2164	{
…		…
1975		2167
1976	ev_at (w) += mn_now;	2168	ev_at (w) += mn_now;
1977		2169
1978	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.));
1979		2171
		2172	EV_FREQUENT_CHECK;
		2173
		2174	++timercnt;
1980	ev_start (EV_A_ (W)w, ++timercnt + HEAP0 - 1);	2175	ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1);
1981	array_needsize (WT, timers, timermax, timercnt + HEAP0, EMPTY2);	2176	array_needsize (ANHE, timers, timermax, ev_active (w) + 1, EMPTY2);
1982	timers [ev_active (w)] = (WT)w;	2177	ANHE_w (timers [ev_active (w)]) = (WT)w;
		2178	ANHE_at_cache (timers [ev_active (w)]);
1983	upheap (timers, ev_active (w));	2179	upheap (timers, ev_active (w));
1984		2180
		2181	EV_FREQUENT_CHECK;
		2182
1985	/*assert (("internal timer heap corruption", timers [ev_active (w)] == w));*/	2183	/*assert (("internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
1986	}	2184	}
1987		2185
1988	void noinline	2186	void noinline
1989	ev_timer_stop (EV_P_ ev_timer *w)	2187	ev_timer_stop (EV_P_ ev_timer *w)
1990	{	2188	{
1991	clear_pending (EV_A_ (W)w);	2189	clear_pending (EV_A_ (W)w);
1992	if (expect_false (!ev_is_active (w)))	2190	if (expect_false (!ev_is_active (w)))
1993	return;	2191	return;
1994		2192
		2193	EV_FREQUENT_CHECK;
		2194
1995	{	2195	{
1996	int active = ev_active (w);	2196	int active = ev_active (w);
1997		2197
1998	assert (("internal timer heap corruption", timers [active] == (WT)w));	2198	assert (("internal timer heap corruption", ANHE_w (timers [active]) == (WT)w));
1999		2199
		2200	--timercnt;
		2201
2000	if (expect_true (active < timercnt + HEAP0 - 1))	2202	if (expect_true (active < timercnt + HEAP0))
2001	{	2203	{
2002	timers [active] = timers [timercnt + HEAP0 - 1];	2204	timers [active] = timers [timercnt + HEAP0];
2003	adjustheap (timers, timercnt, active);	2205	adjustheap (timers, timercnt, active);
2004	}	2206	}
2005
2006	--timercnt;
2007	}	2207	}
		2208
		2209	EV_FREQUENT_CHECK;
2008		2210
2009	ev_at (w) -= mn_now;	2211	ev_at (w) -= mn_now;
2010		2212
2011	ev_stop (EV_A_ (W)w);	2213	ev_stop (EV_A_ (W)w);
2012	}	2214	}
2013		2215
2014	void noinline	2216	void noinline
2015	ev_timer_again (EV_P_ ev_timer *w)	2217	ev_timer_again (EV_P_ ev_timer *w)
2016	{	2218	{
		2219	EV_FREQUENT_CHECK;
		2220
2017	if (ev_is_active (w))	2221	if (ev_is_active (w))
2018	{	2222	{
2019	if (w->repeat)	2223	if (w->repeat)
2020	{	2224	{
2021	ev_at (w) = mn_now + w->repeat;	2225	ev_at (w) = mn_now + w->repeat;
		2226	ANHE_at_cache (timers [ev_active (w)]);
2022	adjustheap (timers, timercnt, ev_active (w));	2227	adjustheap (timers, timercnt, ev_active (w));
2023	}	2228	}
2024	else	2229	else
2025	ev_timer_stop (EV_A_ w);	2230	ev_timer_stop (EV_A_ w);
2026	}	2231	}
2027	else if (w->repeat)	2232	else if (w->repeat)
2028	{	2233	{
2029	ev_at (w) = w->repeat;	2234	ev_at (w) = w->repeat;
2030	ev_timer_start (EV_A_ w);	2235	ev_timer_start (EV_A_ w);
2031	}	2236	}
		2237
		2238	EV_FREQUENT_CHECK;
2032	}	2239	}
2033		2240
2034	#if EV_PERIODIC_ENABLE	2241	#if EV_PERIODIC_ENABLE
2035	void noinline	2242	void noinline
2036	ev_periodic_start (EV_P_ ev_periodic *w)	2243	ev_periodic_start (EV_P_ ev_periodic *w)
…		…
2047	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;
2048	}	2255	}
2049	else	2256	else
2050	ev_at (w) = w->offset;	2257	ev_at (w) = w->offset;
2051		2258
		2259	EV_FREQUENT_CHECK;
		2260
		2261	++periodiccnt;
2052	ev_start (EV_A_ (W)w, ++periodiccnt + HEAP0 - 1);	2262	ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1);
2053	array_needsize (WT, periodics, periodicmax, periodiccnt + HEAP0, EMPTY2);	2263	array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, EMPTY2);
2054	periodics [ev_active (w)] = (WT)w;	2264	ANHE_w (periodics [ev_active (w)]) = (WT)w;
		2265	ANHE_at_cache (periodics [ev_active (w)]);
2055	upheap (periodics, ev_active (w));	2266	upheap (periodics, ev_active (w));
2056		2267
		2268	EV_FREQUENT_CHECK;
		2269
2057	/*assert (("internal periodic heap corruption", periodics [ev_active (w)] == w));*/	2270	/*assert (("internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
2058	}	2271	}
2059		2272
2060	void noinline	2273	void noinline
2061	ev_periodic_stop (EV_P_ ev_periodic *w)	2274	ev_periodic_stop (EV_P_ ev_periodic *w)
2062	{	2275	{
2063	clear_pending (EV_A_ (W)w);	2276	clear_pending (EV_A_ (W)w);
2064	if (expect_false (!ev_is_active (w)))	2277	if (expect_false (!ev_is_active (w)))
2065	return;	2278	return;
2066		2279
		2280	EV_FREQUENT_CHECK;
		2281
2067	{	2282	{
2068	int active = ev_active (w);	2283	int active = ev_active (w);
2069		2284
2070	assert (("internal periodic heap corruption", periodics [active] == (WT)w));	2285	assert (("internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w));
2071		2286
		2287	--periodiccnt;
		2288
2072	if (expect_true (active < periodiccnt + HEAP0 - 1))	2289	if (expect_true (active < periodiccnt + HEAP0))
2073	{	2290	{
2074	periodics [active] = periodics [periodiccnt + HEAP0 - 1];	2291	periodics [active] = periodics [periodiccnt + HEAP0];
2075	adjustheap (periodics, periodiccnt, active);	2292	adjustheap (periodics, periodiccnt, active);
2076	}	2293	}
2077
2078	--periodiccnt;
2079	}	2294	}
		2295
		2296	EV_FREQUENT_CHECK;
2080		2297
2081	ev_stop (EV_A_ (W)w);	2298	ev_stop (EV_A_ (W)w);
2082	}	2299	}
2083		2300
2084	void noinline	2301	void noinline
…		…
2104	return;	2321	return;
2105		2322
2106	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));
2107		2324
2108	evpipe_init (EV_A);	2325	evpipe_init (EV_A);
		2326
		2327	EV_FREQUENT_CHECK;
2109		2328
2110	{	2329	{
2111	#ifndef _WIN32	2330	#ifndef _WIN32
2112	sigset_t full, prev;	2331	sigset_t full, prev;
2113	sigfillset (&full);	2332	sigfillset (&full);
2114	sigprocmask (SIG_SETMASK, &full, &prev);	2333	sigprocmask (SIG_SETMASK, &full, &prev);
2115	#endif	2334	#endif
2116		2335
2117	array_needsize (ANSIG, signals, signalmax, w->signum, signals_init);	2336	array_needsize (ANSIG, signals, signalmax, w->signum, array_init_zero);
2118		2337
2119	#ifndef _WIN32	2338	#ifndef _WIN32
2120	sigprocmask (SIG_SETMASK, &prev, 0);	2339	sigprocmask (SIG_SETMASK, &prev, 0);
2121	#endif	2340	#endif
2122	}	2341	}
…		…
2134	sigfillset (&sa.sa_mask);	2353	sigfillset (&sa.sa_mask);
2135	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 */
2136	sigaction (w->signum, &sa, 0);	2355	sigaction (w->signum, &sa, 0);
2137	#endif	2356	#endif
2138	}	2357	}
		2358
		2359	EV_FREQUENT_CHECK;
2139	}	2360	}
2140		2361
2141	void noinline	2362	void noinline
2142	ev_signal_stop (EV_P_ ev_signal *w)	2363	ev_signal_stop (EV_P_ ev_signal *w)
2143	{	2364	{
2144	clear_pending (EV_A_ (W)w);	2365	clear_pending (EV_A_ (W)w);
2145	if (expect_false (!ev_is_active (w)))	2366	if (expect_false (!ev_is_active (w)))
2146	return;	2367	return;
2147		2368
		2369	EV_FREQUENT_CHECK;
		2370
2148	wlist_del (&signals [w->signum - 1].head, (WL)w);	2371	wlist_del (&signals [w->signum - 1].head, (WL)w);
2149	ev_stop (EV_A_ (W)w);	2372	ev_stop (EV_A_ (W)w);
2150		2373
2151	if (!signals [w->signum - 1].head)	2374	if (!signals [w->signum - 1].head)
2152	signal (w->signum, SIG_DFL);	2375	signal (w->signum, SIG_DFL);
		2376
		2377	EV_FREQUENT_CHECK;
2153	}	2378	}
2154		2379
2155	void	2380	void
2156	ev_child_start (EV_P_ ev_child *w)	2381	ev_child_start (EV_P_ ev_child *w)
2157	{	2382	{
…		…
2159	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));
2160	#endif	2385	#endif
2161	if (expect_false (ev_is_active (w)))	2386	if (expect_false (ev_is_active (w)))
2162	return;	2387	return;
2163		2388
		2389	EV_FREQUENT_CHECK;
		2390
2164	ev_start (EV_A_ (W)w, 1);	2391	ev_start (EV_A_ (W)w, 1);
2165	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;
2166	}	2395	}
2167		2396
2168	void	2397	void
2169	ev_child_stop (EV_P_ ev_child *w)	2398	ev_child_stop (EV_P_ ev_child *w)
2170	{	2399	{
2171	clear_pending (EV_A_ (W)w);	2400	clear_pending (EV_A_ (W)w);
2172	if (expect_false (!ev_is_active (w)))	2401	if (expect_false (!ev_is_active (w)))
2173	return;	2402	return;
2174		2403
		2404	EV_FREQUENT_CHECK;
		2405
2175	wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);	2406	wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);
2176	ev_stop (EV_A_ (W)w);	2407	ev_stop (EV_A_ (W)w);
		2408
		2409	EV_FREQUENT_CHECK;
2177	}	2410	}
2178		2411
2179	#if EV_STAT_ENABLE	2412	#if EV_STAT_ENABLE
2180		2413
2181	# ifdef _WIN32	2414	# ifdef _WIN32
…		…
2250		2483
2251	static void noinline	2484	static void noinline
2252	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)
2253	{	2486	{
2254	if (slot < 0)	2487	if (slot < 0)
2255	/* overflow, need to check for all hahs slots */	2488	/* overflow, need to check for all hash slots */
2256	for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot)	2489	for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot)
2257	infy_wd (EV_A_ slot, wd, ev);	2490	infy_wd (EV_A_ slot, wd, ev);
2258	else	2491	else
2259	{	2492	{
2260	WL w_;	2493	WL w_;
…		…
2294	infy_init (EV_P)	2527	infy_init (EV_P)
2295	{	2528	{
2296	if (fs_fd != -2)	2529	if (fs_fd != -2)
2297	return;	2530	return;
2298		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
2299	fs_fd = inotify_init ();	2553	fs_fd = inotify_init ();
2300		2554
2301	if (fs_fd >= 0)	2555	if (fs_fd >= 0)
2302	{	2556	{
2303	ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ);	2557	ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ);
…		…
2332	if (fs_fd >= 0)	2586	if (fs_fd >= 0)
2333	infy_add (EV_A_ w); /* re-add, no matter what */	2587	infy_add (EV_A_ w); /* re-add, no matter what */
2334	else	2588	else
2335	ev_timer_start (EV_A_ &w->timer);	2589	ev_timer_start (EV_A_ &w->timer);
2336	}	2590	}
2337
2338	}	2591	}
2339	}	2592	}
2340		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)
2341	#endif	2600	#endif
2342		2601
2343	void	2602	void
2344	ev_stat_stat (EV_P_ ev_stat *w)	2603	ev_stat_stat (EV_P_ ev_stat *w)
2345	{	2604	{
…		…
2372	|| w->prev.st_atime != w->attr.st_atime	2631	|| w->prev.st_atime != w->attr.st_atime
2373	|| w->prev.st_mtime != w->attr.st_mtime	2632	|| w->prev.st_mtime != w->attr.st_mtime
2374	|| w->prev.st_ctime != w->attr.st_ctime	2633	|| w->prev.st_ctime != w->attr.st_ctime
2375	) {	2634	) {
2376	#if EV_USE_INOTIFY	2635	#if EV_USE_INOTIFY
		2636	if (fs_fd >= 0)
		2637	{
2377	infy_del (EV_A_ w);	2638	infy_del (EV_A_ w);
2378	infy_add (EV_A_ w);	2639	infy_add (EV_A_ w);
2379	ev_stat_stat (EV_A_ w); /* avoid race... */	2640	ev_stat_stat (EV_A_ w); /* avoid race... */
		2641	}
2380	#endif	2642	#endif
2381		2643
2382	ev_feed_event (EV_A_ w, EV_STAT);	2644	ev_feed_event (EV_A_ w, EV_STAT);
2383	}	2645	}
2384	}	2646	}
…		…
2409	else	2671	else
2410	#endif	2672	#endif
2411	ev_timer_start (EV_A_ &w->timer);	2673	ev_timer_start (EV_A_ &w->timer);
2412		2674
2413	ev_start (EV_A_ (W)w, 1);	2675	ev_start (EV_A_ (W)w, 1);
		2676
		2677	EV_FREQUENT_CHECK;
2414	}	2678	}
2415		2679
2416	void	2680	void
2417	ev_stat_stop (EV_P_ ev_stat *w)	2681	ev_stat_stop (EV_P_ ev_stat *w)
2418	{	2682	{
2419	clear_pending (EV_A_ (W)w);	2683	clear_pending (EV_A_ (W)w);
2420	if (expect_false (!ev_is_active (w)))	2684	if (expect_false (!ev_is_active (w)))
2421	return;	2685	return;
2422		2686
		2687	EV_FREQUENT_CHECK;
		2688
2423	#if EV_USE_INOTIFY	2689	#if EV_USE_INOTIFY
2424	infy_del (EV_A_ w);	2690	infy_del (EV_A_ w);
2425	#endif	2691	#endif
2426	ev_timer_stop (EV_A_ &w->timer);	2692	ev_timer_stop (EV_A_ &w->timer);
2427		2693
2428	ev_stop (EV_A_ (W)w);	2694	ev_stop (EV_A_ (W)w);
		2695
		2696	EV_FREQUENT_CHECK;
2429	}	2697	}
2430	#endif	2698	#endif
2431		2699
2432	#if EV_IDLE_ENABLE	2700	#if EV_IDLE_ENABLE
2433	void	2701	void
…		…
2435	{	2703	{
2436	if (expect_false (ev_is_active (w)))	2704	if (expect_false (ev_is_active (w)))
2437	return;	2705	return;
2438		2706
2439	pri_adjust (EV_A_ (W)w);	2707	pri_adjust (EV_A_ (W)w);
		2708
		2709	EV_FREQUENT_CHECK;
2440		2710
2441	{	2711	{
2442	int active = ++idlecnt [ABSPRI (w)];	2712	int active = ++idlecnt [ABSPRI (w)];
2443		2713
2444	++idleall;	2714	++idleall;
2445	ev_start (EV_A_ (W)w, active);	2715	ev_start (EV_A_ (W)w, active);
2446		2716
2447	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);
2448	idles [ABSPRI (w)][active - 1] = w;	2718	idles [ABSPRI (w)][active - 1] = w;
2449	}	2719	}
		2720
		2721	EV_FREQUENT_CHECK;
2450	}	2722	}
2451		2723
2452	void	2724	void
2453	ev_idle_stop (EV_P_ ev_idle *w)	2725	ev_idle_stop (EV_P_ ev_idle *w)
2454	{	2726	{
2455	clear_pending (EV_A_ (W)w);	2727	clear_pending (EV_A_ (W)w);
2456	if (expect_false (!ev_is_active (w)))	2728	if (expect_false (!ev_is_active (w)))
2457	return;	2729	return;
2458		2730
		2731	EV_FREQUENT_CHECK;
		2732
2459	{	2733	{
2460	int active = ev_active (w);	2734	int active = ev_active (w);
2461		2735
2462	idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]];	2736	idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]];
2463	ev_active (idles [ABSPRI (w)][active - 1]) = active;	2737	ev_active (idles [ABSPRI (w)][active - 1]) = active;
2464		2738
2465	ev_stop (EV_A_ (W)w);	2739	ev_stop (EV_A_ (W)w);
2466	--idleall;	2740	--idleall;
2467	}	2741	}
		2742
		2743	EV_FREQUENT_CHECK;
2468	}	2744	}
2469	#endif	2745	#endif
2470		2746
2471	void	2747	void
2472	ev_prepare_start (EV_P_ ev_prepare *w)	2748	ev_prepare_start (EV_P_ ev_prepare *w)
2473	{	2749	{
2474	if (expect_false (ev_is_active (w)))	2750	if (expect_false (ev_is_active (w)))
2475	return;	2751	return;
		2752
		2753	EV_FREQUENT_CHECK;
2476		2754
2477	ev_start (EV_A_ (W)w, ++preparecnt);	2755	ev_start (EV_A_ (W)w, ++preparecnt);
2478	array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2);	2756	array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2);
2479	prepares [preparecnt - 1] = w;	2757	prepares [preparecnt - 1] = w;
		2758
		2759	EV_FREQUENT_CHECK;
2480	}	2760	}
2481		2761
2482	void	2762	void
2483	ev_prepare_stop (EV_P_ ev_prepare *w)	2763	ev_prepare_stop (EV_P_ ev_prepare *w)
2484	{	2764	{
2485	clear_pending (EV_A_ (W)w);	2765	clear_pending (EV_A_ (W)w);
2486	if (expect_false (!ev_is_active (w)))	2766	if (expect_false (!ev_is_active (w)))
2487	return;	2767	return;
2488		2768
		2769	EV_FREQUENT_CHECK;
		2770
2489	{	2771	{
2490	int active = ev_active (w);	2772	int active = ev_active (w);
2491		2773
2492	prepares [active - 1] = prepares [--preparecnt];	2774	prepares [active - 1] = prepares [--preparecnt];
2493	ev_active (prepares [active - 1]) = active;	2775	ev_active (prepares [active - 1]) = active;
2494	}	2776	}
2495		2777
2496	ev_stop (EV_A_ (W)w);	2778	ev_stop (EV_A_ (W)w);
		2779
		2780	EV_FREQUENT_CHECK;
2497	}	2781	}
2498		2782
2499	void	2783	void
2500	ev_check_start (EV_P_ ev_check *w)	2784	ev_check_start (EV_P_ ev_check *w)
2501	{	2785	{
2502	if (expect_false (ev_is_active (w)))	2786	if (expect_false (ev_is_active (w)))
2503	return;	2787	return;
		2788
		2789	EV_FREQUENT_CHECK;
2504		2790
2505	ev_start (EV_A_ (W)w, ++checkcnt);	2791	ev_start (EV_A_ (W)w, ++checkcnt);
2506	array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2);	2792	array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2);
2507	checks [checkcnt - 1] = w;	2793	checks [checkcnt - 1] = w;
		2794
		2795	EV_FREQUENT_CHECK;
2508	}	2796	}
2509		2797
2510	void	2798	void
2511	ev_check_stop (EV_P_ ev_check *w)	2799	ev_check_stop (EV_P_ ev_check *w)
2512	{	2800	{
2513	clear_pending (EV_A_ (W)w);	2801	clear_pending (EV_A_ (W)w);
2514	if (expect_false (!ev_is_active (w)))	2802	if (expect_false (!ev_is_active (w)))
2515	return;	2803	return;
2516		2804
		2805	EV_FREQUENT_CHECK;
		2806
2517	{	2807	{
2518	int active = ev_active (w);	2808	int active = ev_active (w);
2519		2809
2520	checks [active - 1] = checks [--checkcnt];	2810	checks [active - 1] = checks [--checkcnt];
2521	ev_active (checks [active - 1]) = active;	2811	ev_active (checks [active - 1]) = active;
2522	}	2812	}
2523		2813
2524	ev_stop (EV_A_ (W)w);	2814	ev_stop (EV_A_ (W)w);
		2815
		2816	EV_FREQUENT_CHECK;
2525	}	2817	}
2526		2818
2527	#if EV_EMBED_ENABLE	2819	#if EV_EMBED_ENABLE
2528	void noinline	2820	void noinline
2529	ev_embed_sweep (EV_P_ ev_embed *w)	2821	ev_embed_sweep (EV_P_ ev_embed *w)
…		…
2556	ev_loop (EV_A_ EVLOOP_NONBLOCK);	2848	ev_loop (EV_A_ EVLOOP_NONBLOCK);
2557	}	2849	}
2558	}	2850	}
2559	}	2851	}
2560		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
2561	#if 0	2865	#if 0
2562	static void	2866	static void
2563	embed_idle_cb (EV_P_ ev_idle *idle, int revents)	2867	embed_idle_cb (EV_P_ ev_idle *idle, int revents)
2564	{	2868	{
2565	ev_idle_stop (EV_A_ idle);	2869	ev_idle_stop (EV_A_ idle);
…		…
2576	struct ev_loop *loop = w->other;	2880	struct ev_loop *loop = w->other;
2577	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 ()));
2578	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);
2579	}	2883	}
2580		2884
		2885	EV_FREQUENT_CHECK;
		2886
2581	ev_set_priority (&w->io, ev_priority (w));	2887	ev_set_priority (&w->io, ev_priority (w));
2582	ev_io_start (EV_A_ &w->io);	2888	ev_io_start (EV_A_ &w->io);
2583		2889
2584	ev_prepare_init (&w->prepare, embed_prepare_cb);	2890	ev_prepare_init (&w->prepare, embed_prepare_cb);
2585	ev_set_priority (&w->prepare, EV_MINPRI);	2891	ev_set_priority (&w->prepare, EV_MINPRI);
2586	ev_prepare_start (EV_A_ &w->prepare);	2892	ev_prepare_start (EV_A_ &w->prepare);
2587		2893
		2894	ev_fork_init (&w->fork, embed_fork_cb);
		2895	ev_fork_start (EV_A_ &w->fork);
		2896
2588	/*ev_idle_init (&w->idle, e,bed_idle_cb);*/	2897	/*ev_idle_init (&w->idle, e,bed_idle_cb);*/
2589		2898
2590	ev_start (EV_A_ (W)w, 1);	2899	ev_start (EV_A_ (W)w, 1);
		2900
		2901	EV_FREQUENT_CHECK;
2591	}	2902	}
2592		2903
2593	void	2904	void
2594	ev_embed_stop (EV_P_ ev_embed *w)	2905	ev_embed_stop (EV_P_ ev_embed *w)
2595	{	2906	{
2596	clear_pending (EV_A_ (W)w);	2907	clear_pending (EV_A_ (W)w);
2597	if (expect_false (!ev_is_active (w)))	2908	if (expect_false (!ev_is_active (w)))
2598	return;	2909	return;
2599		2910
		2911	EV_FREQUENT_CHECK;
		2912
2600	ev_io_stop (EV_A_ &w->io);	2913	ev_io_stop (EV_A_ &w->io);
2601	ev_prepare_stop (EV_A_ &w->prepare);	2914	ev_prepare_stop (EV_A_ &w->prepare);
		2915	ev_fork_stop (EV_A_ &w->fork);
2602		2916
2603	ev_stop (EV_A_ (W)w);	2917	EV_FREQUENT_CHECK;
2604	}	2918	}
2605	#endif	2919	#endif
2606		2920
2607	#if EV_FORK_ENABLE	2921	#if EV_FORK_ENABLE
2608	void	2922	void
2609	ev_fork_start (EV_P_ ev_fork *w)	2923	ev_fork_start (EV_P_ ev_fork *w)
2610	{	2924	{
2611	if (expect_false (ev_is_active (w)))	2925	if (expect_false (ev_is_active (w)))
2612	return;	2926	return;
		2927
		2928	EV_FREQUENT_CHECK;
2613		2929
2614	ev_start (EV_A_ (W)w, ++forkcnt);	2930	ev_start (EV_A_ (W)w, ++forkcnt);
2615	array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2);	2931	array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2);
2616	forks [forkcnt - 1] = w;	2932	forks [forkcnt - 1] = w;
		2933
		2934	EV_FREQUENT_CHECK;
2617	}	2935	}
2618		2936
2619	void	2937	void
2620	ev_fork_stop (EV_P_ ev_fork *w)	2938	ev_fork_stop (EV_P_ ev_fork *w)
2621	{	2939	{
2622	clear_pending (EV_A_ (W)w);	2940	clear_pending (EV_A_ (W)w);
2623	if (expect_false (!ev_is_active (w)))	2941	if (expect_false (!ev_is_active (w)))
2624	return;	2942	return;
2625		2943
		2944	EV_FREQUENT_CHECK;
		2945
2626	{	2946	{
2627	int active = ev_active (w);	2947	int active = ev_active (w);
2628		2948
2629	forks [active - 1] = forks [--forkcnt];	2949	forks [active - 1] = forks [--forkcnt];
2630	ev_active (forks [active - 1]) = active;	2950	ev_active (forks [active - 1]) = active;
2631	}	2951	}
2632		2952
2633	ev_stop (EV_A_ (W)w);	2953	ev_stop (EV_A_ (W)w);
		2954
		2955	EV_FREQUENT_CHECK;
2634	}	2956	}
2635	#endif	2957	#endif
2636		2958
2637	#if EV_ASYNC_ENABLE	2959	#if EV_ASYNC_ENABLE
2638	void	2960	void
…		…
2640	{	2962	{
2641	if (expect_false (ev_is_active (w)))	2963	if (expect_false (ev_is_active (w)))
2642	return;	2964	return;
2643		2965
2644	evpipe_init (EV_A);	2966	evpipe_init (EV_A);
		2967
		2968	EV_FREQUENT_CHECK;
2645		2969
2646	ev_start (EV_A_ (W)w, ++asynccnt);	2970	ev_start (EV_A_ (W)w, ++asynccnt);
2647	array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2);	2971	array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2);
2648	asyncs [asynccnt - 1] = w;	2972	asyncs [asynccnt - 1] = w;
		2973
		2974	EV_FREQUENT_CHECK;
2649	}	2975	}
2650		2976
2651	void	2977	void
2652	ev_async_stop (EV_P_ ev_async *w)	2978	ev_async_stop (EV_P_ ev_async *w)
2653	{	2979	{
2654	clear_pending (EV_A_ (W)w);	2980	clear_pending (EV_A_ (W)w);
2655	if (expect_false (!ev_is_active (w)))	2981	if (expect_false (!ev_is_active (w)))
2656	return;	2982	return;
2657		2983
		2984	EV_FREQUENT_CHECK;
		2985
2658	{	2986	{
2659	int active = ev_active (w);	2987	int active = ev_active (w);
2660		2988
2661	asyncs [active - 1] = asyncs [--asynccnt];	2989	asyncs [active - 1] = asyncs [--asynccnt];
2662	ev_active (asyncs [active - 1]) = active;	2990	ev_active (asyncs [active - 1]) = active;
2663	}	2991	}
2664		2992
2665	ev_stop (EV_A_ (W)w);	2993	ev_stop (EV_A_ (W)w);
		2994
		2995	EV_FREQUENT_CHECK;
2666	}	2996	}
2667		2997
2668	void	2998	void
2669	ev_async_send (EV_P_ ev_async *w)	2999	ev_async_send (EV_P_ ev_async *w)
2670	{	3000	{
…		…
2687	once_cb (EV_P_ struct ev_once *once, int revents)	3017	once_cb (EV_P_ struct ev_once *once, int revents)
2688	{	3018	{
2689	void (*cb)(int revents, void *arg) = once->cb;	3019	void (*cb)(int revents, void *arg) = once->cb;
2690	void *arg = once->arg;	3020	void *arg = once->arg;
2691		3021
2692	ev_io_stop (EV_A_ &once->io);	3022	ev_io_stop (EV_A_ &once->io);
2693	ev_timer_stop (EV_A_ &once->to);	3023	ev_timer_stop (EV_A_ &once->to);
2694	ev_free (once);	3024	ev_free (once);
2695		3025
2696	cb (revents, arg);	3026	cb (revents, arg);
2697	}	3027	}
2698		3028
2699	static void	3029	static void
2700	once_cb_io (EV_P_ ev_io *w, int revents)	3030	once_cb_io (EV_P_ ev_io *w, int revents)
2701	{	3031	{
2702	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));
2703	}	3035	}
2704		3036
2705	static void	3037	static void
2706	once_cb_to (EV_P_ ev_timer *w, int revents)	3038	once_cb_to (EV_P_ ev_timer *w, int revents)
2707	{	3039	{
2708	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));
2709	}	3043	}
2710		3044
2711	void	3045	void
2712	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)
2713	{	3047	{

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