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Comparing libev/ev.c (file contents):
Revision 1.244 by root, Tue May 20 23:49:41 2008 UTC vs.
Revision 1.273 by root, Mon Nov 3 14:27:06 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
240	#ifndef EV_USE_4HEAP	259	#ifndef EV_USE_4HEAP
241	# define EV_USE_4HEAP !EV_MINIMAL	260	# define EV_USE_4HEAP !EV_MINIMAL
242	#endif	261	#endif
243		262
244	#ifndef EV_HEAP_CACHE_AT	263	#ifndef EV_HEAP_CACHE_AT
…		…
267	# include <sys/select.h>	286	# include <sys/select.h>
268	# endif	287	# endif
269	#endif	288	#endif
270		289
271	#if EV_USE_INOTIFY	290	#if EV_USE_INOTIFY
		291	# include <sys/utsname.h>
		292	# include <sys/statfs.h>
272	# include <sys/inotify.h>	293	# include <sys/inotify.h>
		294	/* some very old inotify.h headers don't have IN_DONT_FOLLOW */
		295	# ifndef IN_DONT_FOLLOW
		296	# undef EV_USE_INOTIFY
		297	# define EV_USE_INOTIFY 0
		298	# endif
273	#endif	299	#endif
274		300
275	#if EV_SELECT_IS_WINSOCKET	301	#if EV_SELECT_IS_WINSOCKET
276	# include <winsock.h>	302	# include <winsock.h>
277	#endif	303	#endif
…		…
287	}	313	}
288	# endif	314	# endif
289	#endif	315	#endif
290		316
291	/**/	317	/**/
		318
		319	#if EV_VERIFY >= 3
		320	# define EV_FREQUENT_CHECK ev_loop_verify (EV_A)
		321	#else
		322	# define EV_FREQUENT_CHECK do { } while (0)
		323	#endif
292		324
293	/*	325	/*
294	* This is used to avoid floating point rounding problems.	326	* This is used to avoid floating point rounding problems.
295	* It is added to ev_rt_now when scheduling periodics	327	* It is added to ev_rt_now when scheduling periodics
296	* to ensure progress, time-wise, even when rounding	328	* to ensure progress, time-wise, even when rounding
…		…
357	{	389	{
358	syserr_cb = cb;	390	syserr_cb = cb;
359	}	391	}
360		392
361	static void noinline	393	static void noinline
362	syserr (const char *msg)	394	ev_syserr (const char *msg)
363	{	395	{
364	if (!msg)	396	if (!msg)
365	msg = "(libev) system error";	397	msg = "(libev) system error";
366		398
367	if (syserr_cb)	399	if (syserr_cb)
…		…
418	typedef struct	450	typedef struct
419	{	451	{
420	WL head;	452	WL head;
421	unsigned char events;	453	unsigned char events;
422	unsigned char reify;	454	unsigned char reify;
		455	unsigned char emask; /* the epoll backend stores the actual kernel mask in here */
		456	unsigned char unused;
		457	#if EV_USE_EPOLL
		458	unsigned int egen; /* generation counter to counter epoll bugs */
		459	#endif
423	#if EV_SELECT_IS_WINSOCKET	460	#if EV_SELECT_IS_WINSOCKET
424	SOCKET handle;	461	SOCKET handle;
425	#endif	462	#endif
426	} ANFD;	463	} ANFD;
427		464
…		…
444	typedef struct {	481	typedef struct {
445	ev_tstamp at;	482	ev_tstamp at;
446	WT w;	483	WT w;
447	} ANHE;	484	} ANHE;
448		485
449	#define ANHE_w(he) (he).w /* access watcher, read-write */	486	#define ANHE_w(he) (he).w /* access watcher, read-write */
450	#define ANHE_at(he) (he).at /* access cached at, read-only */	487	#define ANHE_at(he) (he).at /* access cached at, read-only */
451	#define ANHE_at_set(he) (he).at = (he).w->at /* update at from watcher */	488	#define ANHE_at_cache(he) (he).at = (he).w->at /* update at from watcher */
452	#else	489	#else
453	typedef WT ANHE;	490	typedef WT ANHE;
454		491
455	#define ANHE_w(he) (he)	492	#define ANHE_w(he) (he)
456	#define ANHE_at(he) (he)->at	493	#define ANHE_at(he) (he)->at
457	#define ANHE_at_set(he)	494	#define ANHE_at_cache(he)
458	#endif	495	#endif
459		496
460	#if EV_MULTIPLICITY	497	#if EV_MULTIPLICITY
461		498
462	struct ev_loop	499	struct ev_loop
…		…
540	struct timeval tv;	577	struct timeval tv;
541		578
542	tv.tv_sec = (time_t)delay;	579	tv.tv_sec = (time_t)delay;
543	tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6);	580	tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6);
544		581
		582	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */
		583	/* somehting nto guaranteed by newer posix versions, but guaranteed */
		584	/* by older ones */
545	select (0, 0, 0, 0, &tv);	585	select (0, 0, 0, 0, &tv);
546	#endif	586	#endif
547	}	587	}
548	}	588	}
549		589
…		…
576	array_realloc (int elem, void *base, int *cur, int cnt)	616	array_realloc (int elem, void *base, int *cur, int cnt)
577	{	617	{
578	*cur = array_nextsize (elem, *cur, cnt);	618	*cur = array_nextsize (elem, *cur, cnt);
579	return ev_realloc (base, elem * *cur);	619	return ev_realloc (base, elem * *cur);
580	}	620	}
		621
		622	#define array_init_zero(base,count) \
		623	memset ((void *)(base), 0, sizeof (*(base)) * (count))
581		624
582	#define array_needsize(type,base,cur,cnt,init) \	625	#define array_needsize(type,base,cur,cnt,init) \
583	if (expect_false ((cnt) > (cur))) \	626	if (expect_false ((cnt) > (cur))) \
584	{ \	627	{ \
585	int ocur_ = (cur); \	628	int ocur_ = (cur); \
…		…
629	ev_feed_event (EV_A_ events [i], type);	672	ev_feed_event (EV_A_ events [i], type);
630	}	673	}
631		674
632	/*****************************************************************************/	675	/*****************************************************************************/
633		676
634	void inline_size
635	anfds_init (ANFD *base, int count)
636	{
637	while (count--)
638	{
639	base->head = 0;
640	base->events = EV_NONE;
641	base->reify = 0;
642
643	++base;
644	}
645	}
646
647	void inline_speed	677	void inline_speed
648	fd_event (EV_P_ int fd, int revents)	678	fd_event (EV_P_ int fd, int revents)
649	{	679	{
650	ANFD *anfd = anfds + fd;	680	ANFD *anfd = anfds + fd;
651	ev_io *w;	681	ev_io *w;
…		…
683	events |= (unsigned char)w->events;	713	events |= (unsigned char)w->events;
684		714
685	#if EV_SELECT_IS_WINSOCKET	715	#if EV_SELECT_IS_WINSOCKET
686	if (events)	716	if (events)
687	{	717	{
688	unsigned long argp;	718	unsigned long arg;
689	#ifdef EV_FD_TO_WIN32_HANDLE	719	#ifdef EV_FD_TO_WIN32_HANDLE
690	anfd->handle = EV_FD_TO_WIN32_HANDLE (fd);	720	anfd->handle = EV_FD_TO_WIN32_HANDLE (fd);
691	#else	721	#else
692	anfd->handle = _get_osfhandle (fd);	722	anfd->handle = _get_osfhandle (fd);
693	#endif	723	#endif
694	assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0));	724	assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0));
695	}	725	}
696	#endif	726	#endif
697		727
698	{	728	{
699	unsigned char o_events = anfd->events;	729	unsigned char o_events = anfd->events;
…		…
752	{	782	{
753	int fd;	783	int fd;
754		784
755	for (fd = 0; fd < anfdmax; ++fd)	785	for (fd = 0; fd < anfdmax; ++fd)
756	if (anfds [fd].events)	786	if (anfds [fd].events)
757	if (!fd_valid (fd) == -1 && errno == EBADF)	787	if (!fd_valid (fd) && errno == EBADF)
758	fd_kill (EV_A_ fd);	788	fd_kill (EV_A_ fd);
759	}	789	}
760		790
761	/* called on ENOMEM in select/poll to kill some fds and retry */	791	/* called on ENOMEM in select/poll to kill some fds and retry */
762	static void noinline	792	static void noinline
…		…
780		810
781	for (fd = 0; fd < anfdmax; ++fd)	811	for (fd = 0; fd < anfdmax; ++fd)
782	if (anfds [fd].events)	812	if (anfds [fd].events)
783	{	813	{
784	anfds [fd].events = 0;	814	anfds [fd].events = 0;
		815	anfds [fd].emask = 0;
785	fd_change (EV_A_ fd, EV_IOFDSET | 1);	816	fd_change (EV_A_ fd, EV_IOFDSET | 1);
786	}	817	}
787	}	818	}
788		819
789	/*****************************************************************************/	820	/*****************************************************************************/
…		…
802	*/	833	*/
803	#if EV_USE_4HEAP	834	#if EV_USE_4HEAP
804		835
805	#define DHEAP 4	836	#define DHEAP 4
806	#define HEAP0 (DHEAP - 1) /* index of first element in heap */	837	#define HEAP0 (DHEAP - 1) /* index of first element in heap */
807		838	#define HPARENT(k) ((((k) - HEAP0 - 1) / DHEAP) + HEAP0)
808	/* towards the root */	839	#define UPHEAP_DONE(p,k) ((p) == (k))
809	void inline_speed
810	upheap (ANHE *heap, int k)
811	{
812	ANHE he = heap [k];
813
814	for (;;)
815	{
816	int p = ((k - HEAP0 - 1) / DHEAP) + HEAP0;
817
818	if (p == k || ANHE_at (heap [p]) <= ANHE_at (he))
819	break;
820
821	heap [k] = heap [p];
822	ev_active (ANHE_w (heap [k])) = k;
823	k = p;
824	}
825
826	ev_active (ANHE_w (he)) = k;
827	heap [k] = he;
828	}
829		840
830	/* away from the root */	841	/* away from the root */
831	void inline_speed	842	void inline_speed
832	downheap (ANHE *heap, int N, int k)	843	downheap (ANHE *heap, int N, int k)
833	{	844	{
…		…
836		847
837	for (;;)	848	for (;;)
838	{	849	{
839	ev_tstamp minat;	850	ev_tstamp minat;
840	ANHE *minpos;	851	ANHE *minpos;
841	ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0;	852	ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0 + 1;
842		853
843	// find minimum child	854	/* find minimum child */
844	if (expect_true (pos + DHEAP - 1 < E))	855	if (expect_true (pos + DHEAP - 1 < E))
845	{	856	{
846	/* fast path */ (minpos = pos + 0), (minat = ANHE_at (*minpos));	857	/* fast path */ (minpos = pos + 0), (minat = ANHE_at (*minpos));
847	if (ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos));	858	if ( ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos));
848	if (ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos));	859	if ( ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos));
849	if (ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos));	860	if ( ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos));
850	}	861	}
851	else if (pos < E)	862	else if (pos < E)
852	{	863	{
853	/* slow path */ (minpos = pos + 0), (minat = ANHE_at (*minpos));	864	/* slow path */ (minpos = pos + 0), (minat = ANHE_at (*minpos));
854	if (pos + 1 < E && ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos));	865	if (pos + 1 < E && ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos));
…		…
859	break;	870	break;
860		871
861	if (ANHE_at (he) <= minat)	872	if (ANHE_at (he) <= minat)
862	break;	873	break;
863		874
		875	heap [k] = *minpos;
864	ev_active (ANHE_w (*minpos)) = k;	876	ev_active (ANHE_w (*minpos)) = k;
865	heap [k] = *minpos;
866		877
867	k = minpos - heap;	878	k = minpos - heap;
868	}	879	}
869		880
		881	heap [k] = he;
870	ev_active (ANHE_w (he)) = k;	882	ev_active (ANHE_w (he)) = k;
871	heap [k] = he;
872	}	883	}
873		884
874	#else // 4HEAP	885	#else /* 4HEAP */
875		886
876	#define HEAP0 1	887	#define HEAP0 1
877		888	#define HPARENT(k) ((k) >> 1)
878	/* towards the root */	889	#define UPHEAP_DONE(p,k) (!(p))
879	void inline_speed
880	upheap (ANHE *heap, int k)
881	{
882	ANHE he = heap [k];
883
884	for (;;)
885	{
886	int p = k >> 1;
887
888	/* maybe we could use a dummy element at heap [0]? */
889	if (!p || ANHE_at (heap [p]) <= ANHE_at (he))
890	break;
891
892	heap [k] = heap [p];
893	ev_active (ANHE_w (heap [k])) = k;
894	k = p;
895	}
896
897	heap [k] = he;
898	ev_active (ANHE_w (heap [k])) = k;
899	}
900		890
901	/* away from the root */	891	/* away from the root */
902	void inline_speed	892	void inline_speed
903	downheap (ANHE *heap, int N, int k)	893	downheap (ANHE *heap, int N, int k)
904	{	894	{
…		…
906		896
907	for (;;)	897	for (;;)
908	{	898	{
909	int c = k << 1;	899	int c = k << 1;
910		900
911	if (c > N)	901	if (c > N + HEAP0 - 1)
912	break;	902	break;
913		903
914	c += c + 1 < N && ANHE_at (heap [c]) > ANHE_at (heap [c + 1])	904	c += c + 1 < N + HEAP0 && ANHE_at (heap [c]) > ANHE_at (heap [c + 1])
915	? 1 : 0;	905	? 1 : 0;
916		906
917	if (ANHE_at (he) <= ANHE_at (heap [c]))	907	if (ANHE_at (he) <= ANHE_at (heap [c]))
918	break;	908	break;
919		909
…		…
926	heap [k] = he;	916	heap [k] = he;
927	ev_active (ANHE_w (he)) = k;	917	ev_active (ANHE_w (he)) = k;
928	}	918	}
929	#endif	919	#endif
930		920
		921	/* towards the root */
		922	void inline_speed
		923	upheap (ANHE *heap, int k)
		924	{
		925	ANHE he = heap [k];
		926
		927	for (;;)
		928	{
		929	int p = HPARENT (k);
		930
		931	if (UPHEAP_DONE (p, k) || ANHE_at (heap [p]) <= ANHE_at (he))
		932	break;
		933
		934	heap [k] = heap [p];
		935	ev_active (ANHE_w (heap [k])) = k;
		936	k = p;
		937	}
		938
		939	heap [k] = he;
		940	ev_active (ANHE_w (he)) = k;
		941	}
		942
931	void inline_size	943	void inline_size
932	adjustheap (ANHE *heap, int N, int k)	944	adjustheap (ANHE *heap, int N, int k)
933	{	945	{
		946	if (k > HEAP0 && ANHE_at (heap [HPARENT (k)]) >= ANHE_at (heap [k]))
934	upheap (heap, k);	947	upheap (heap, k);
		948	else
935	downheap (heap, N, k);	949	downheap (heap, N, k);
		950	}
		951
		952	/* rebuild the heap: this function is used only once and executed rarely */
		953	void inline_size
		954	reheap (ANHE *heap, int N)
		955	{
		956	int i;
		957
		958	/* we don't use floyds algorithm, upheap is simpler and is more cache-efficient */
		959	/* also, this is easy to implement and correct for both 2-heaps and 4-heaps */
		960	for (i = 0; i < N; ++i)
		961	upheap (heap, i + HEAP0);
936	}	962	}
937		963
938	/*****************************************************************************/	964	/*****************************************************************************/
939		965
940	typedef struct	966	typedef struct
…		…
946	static ANSIG *signals;	972	static ANSIG *signals;
947	static int signalmax;	973	static int signalmax;
948		974
949	static EV_ATOMIC_T gotsig;	975	static EV_ATOMIC_T gotsig;
950		976
951	void inline_size
952	signals_init (ANSIG *base, int count)
953	{
954	while (count--)
955	{
956	base->head = 0;
957	base->gotsig = 0;
958
959	++base;
960	}
961	}
962
963	/*****************************************************************************/	977	/*****************************************************************************/
964		978
965	void inline_speed	979	void inline_speed
966	fd_intern (int fd)	980	fd_intern (int fd)
967	{	981	{
968	#ifdef _WIN32	982	#ifdef _WIN32
969	int arg = 1;	983	unsigned long arg = 1;
970	ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg);	984	ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg);
971	#else	985	#else
972	fcntl (fd, F_SETFD, FD_CLOEXEC);	986	fcntl (fd, F_SETFD, FD_CLOEXEC);
973	fcntl (fd, F_SETFL, O_NONBLOCK);	987	fcntl (fd, F_SETFL, O_NONBLOCK);
974	#endif	988	#endif
…		…
988	}	1002	}
989	else	1003	else
990	#endif	1004	#endif
991	{	1005	{
992	while (pipe (evpipe))	1006	while (pipe (evpipe))
993	syserr ("(libev) error creating signal/async pipe");	1007	ev_syserr ("(libev) error creating signal/async pipe");
994		1008
995	fd_intern (evpipe [0]);	1009	fd_intern (evpipe [0]);
996	fd_intern (evpipe [1]);	1010	fd_intern (evpipe [1]);
997	ev_io_set (&pipeev, evpipe [0], EV_READ);	1011	ev_io_set (&pipeev, evpipe [0], EV_READ);
998	}	1012	}
…		…
1458		1472
1459	postfork = 0;	1473	postfork = 0;
1460	}	1474	}
1461		1475
1462	#if EV_MULTIPLICITY	1476	#if EV_MULTIPLICITY
		1477
1463	struct ev_loop *	1478	struct ev_loop *
1464	ev_loop_new (unsigned int flags)	1479	ev_loop_new (unsigned int flags)
1465	{	1480	{
1466	struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));	1481	struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
1467		1482
…		…
1485	void	1500	void
1486	ev_loop_fork (EV_P)	1501	ev_loop_fork (EV_P)
1487	{	1502	{
1488	postfork = 1; /* must be in line with ev_default_fork */	1503	postfork = 1; /* must be in line with ev_default_fork */
1489	}	1504	}
		1505
		1506	#if EV_VERIFY
		1507	static void noinline
		1508	verify_watcher (EV_P_ W w)
		1509	{
		1510	assert (("watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI));
		1511
		1512	if (w->pending)
		1513	assert (("pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w));
		1514	}
		1515
		1516	static void noinline
		1517	verify_heap (EV_P_ ANHE *heap, int N)
		1518	{
		1519	int i;
		1520
		1521	for (i = HEAP0; i < N + HEAP0; ++i)
		1522	{
		1523	assert (("active index mismatch in heap", ev_active (ANHE_w (heap [i])) == i));
		1524	assert (("heap condition violated", i == HEAP0 || ANHE_at (heap [HPARENT (i)]) <= ANHE_at (heap [i])));
		1525	assert (("heap at cache mismatch", ANHE_at (heap [i]) == ev_at (ANHE_w (heap [i]))));
		1526
		1527	verify_watcher (EV_A_ (W)ANHE_w (heap [i]));
		1528	}
		1529	}
		1530
		1531	static void noinline
		1532	array_verify (EV_P_ W *ws, int cnt)
		1533	{
		1534	while (cnt--)
		1535	{
		1536	assert (("active index mismatch", ev_active (ws [cnt]) == cnt + 1));
		1537	verify_watcher (EV_A_ ws [cnt]);
		1538	}
		1539	}
		1540	#endif
		1541
		1542	void
		1543	ev_loop_verify (EV_P)
		1544	{
		1545	#if EV_VERIFY
		1546	int i;
		1547	WL w;
		1548
		1549	assert (activecnt >= -1);
		1550
		1551	assert (fdchangemax >= fdchangecnt);
		1552	for (i = 0; i < fdchangecnt; ++i)
		1553	assert (("negative fd in fdchanges", fdchanges [i] >= 0));
		1554
		1555	assert (anfdmax >= 0);
		1556	for (i = 0; i < anfdmax; ++i)
		1557	for (w = anfds [i].head; w; w = w->next)
		1558	{
		1559	verify_watcher (EV_A_ (W)w);
		1560	assert (("inactive fd watcher on anfd list", ev_active (w) == 1));
		1561	assert (("fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i));
		1562	}
		1563
		1564	assert (timermax >= timercnt);
		1565	verify_heap (EV_A_ timers, timercnt);
		1566
		1567	#if EV_PERIODIC_ENABLE
		1568	assert (periodicmax >= periodiccnt);
		1569	verify_heap (EV_A_ periodics, periodiccnt);
		1570	#endif
		1571
		1572	for (i = NUMPRI; i--; )
		1573	{
		1574	assert (pendingmax [i] >= pendingcnt [i]);
		1575	#if EV_IDLE_ENABLE
		1576	assert (idleall >= 0);
		1577	assert (idlemax [i] >= idlecnt [i]);
		1578	array_verify (EV_A_ (W *)idles [i], idlecnt [i]);
		1579	#endif
		1580	}
		1581
		1582	#if EV_FORK_ENABLE
		1583	assert (forkmax >= forkcnt);
		1584	array_verify (EV_A_ (W *)forks, forkcnt);
		1585	#endif
		1586
		1587	#if EV_ASYNC_ENABLE
		1588	assert (asyncmax >= asynccnt);
		1589	array_verify (EV_A_ (W *)asyncs, asynccnt);
		1590	#endif
		1591
		1592	assert (preparemax >= preparecnt);
		1593	array_verify (EV_A_ (W *)prepares, preparecnt);
		1594
		1595	assert (checkmax >= checkcnt);
		1596	array_verify (EV_A_ (W *)checks, checkcnt);
		1597
		1598	# if 0
		1599	for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next)
		1600	for (signum = signalmax; signum--; ) if (signals [signum].gotsig)
1490	#endif	1601	# endif
		1602	#endif
		1603	}
		1604
		1605	#endif /* multiplicity */
1491		1606
1492	#if EV_MULTIPLICITY	1607	#if EV_MULTIPLICITY
1493	struct ev_loop *	1608	struct ev_loop *
1494	ev_default_loop_init (unsigned int flags)	1609	ev_default_loop_init (unsigned int flags)
1495	#else	1610	#else
…		…
1528	{	1643	{
1529	#if EV_MULTIPLICITY	1644	#if EV_MULTIPLICITY
1530	struct ev_loop *loop = ev_default_loop_ptr;	1645	struct ev_loop *loop = ev_default_loop_ptr;
1531	#endif	1646	#endif
1532		1647
		1648	ev_default_loop_ptr = 0;
		1649
1533	#ifndef _WIN32	1650	#ifndef _WIN32
1534	ev_ref (EV_A); /* child watcher */	1651	ev_ref (EV_A); /* child watcher */
1535	ev_signal_stop (EV_A_ &childev);	1652	ev_signal_stop (EV_A_ &childev);
1536	#endif	1653	#endif
1537		1654
…		…
1543	{	1660	{
1544	#if EV_MULTIPLICITY	1661	#if EV_MULTIPLICITY
1545	struct ev_loop *loop = ev_default_loop_ptr;	1662	struct ev_loop *loop = ev_default_loop_ptr;
1546	#endif	1663	#endif
1547		1664
1548	if (backend)
1549	postfork = 1; /* must be in line with ev_loop_fork */	1665	postfork = 1; /* must be in line with ev_loop_fork */
1550	}	1666	}
1551		1667
1552	/*****************************************************************************/	1668	/*****************************************************************************/
1553		1669
1554	void	1670	void
…		…
1571	{	1687	{
1572	/*assert (("non-pending watcher on pending list", p->w->pending));*/	1688	/*assert (("non-pending watcher on pending list", p->w->pending));*/
1573		1689
1574	p->w->pending = 0;	1690	p->w->pending = 0;
1575	EV_CB_INVOKE (p->w, p->events);	1691	EV_CB_INVOKE (p->w, p->events);
		1692	EV_FREQUENT_CHECK;
1576	}	1693	}
1577	}	1694	}
1578	}	1695	}
1579		1696
1580	#if EV_IDLE_ENABLE	1697	#if EV_IDLE_ENABLE
…		…
1601	#endif	1718	#endif
1602		1719
1603	void inline_size	1720	void inline_size
1604	timers_reify (EV_P)	1721	timers_reify (EV_P)
1605	{	1722	{
		1723	EV_FREQUENT_CHECK;
		1724
1606	while (timercnt && ANHE_at (timers [HEAP0]) < mn_now)	1725	while (timercnt && ANHE_at (timers [HEAP0]) < mn_now)
1607	{	1726	{
1608	ev_timer *w = (ev_timer *)ANHE_w (timers [HEAP0]);	1727	ev_timer *w = (ev_timer *)ANHE_w (timers [HEAP0]);
1609		1728
1610	/*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/	1729	/*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/
…		…
1616	if (ev_at (w) < mn_now)	1735	if (ev_at (w) < mn_now)
1617	ev_at (w) = mn_now;	1736	ev_at (w) = mn_now;
1618		1737
1619	assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));	1738	assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));
1620		1739
1621	ANHE_at_set (timers [HEAP0]);	1740	ANHE_at_cache (timers [HEAP0]);
1622	downheap (timers, timercnt, HEAP0);	1741	downheap (timers, timercnt, HEAP0);
1623	}	1742	}
1624	else	1743	else
1625	ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */	1744	ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */
1626		1745
		1746	EV_FREQUENT_CHECK;
1627	ev_feed_event (EV_A_ (W)w, EV_TIMEOUT);	1747	ev_feed_event (EV_A_ (W)w, EV_TIMEOUT);
1628	}	1748	}
1629	}	1749	}
1630		1750
1631	#if EV_PERIODIC_ENABLE	1751	#if EV_PERIODIC_ENABLE
1632	void inline_size	1752	void inline_size
1633	periodics_reify (EV_P)	1753	periodics_reify (EV_P)
1634	{	1754	{
		1755	EV_FREQUENT_CHECK;
		1756
1635	while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)	1757	while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)
1636	{	1758	{
1637	ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]);	1759	ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]);
1638		1760
1639	/*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/	1761	/*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/
…		…
1643	{	1765	{
1644	ev_at (w) = w->reschedule_cb (w, ev_rt_now);	1766	ev_at (w) = w->reschedule_cb (w, ev_rt_now);
1645		1767
1646	assert (("ev_periodic reschedule callback returned time in the past", ev_at (w) >= ev_rt_now));	1768	assert (("ev_periodic reschedule callback returned time in the past", ev_at (w) >= ev_rt_now));
1647		1769
1648	ANHE_at_set (periodics [HEAP0]);	1770	ANHE_at_cache (periodics [HEAP0]);
1649	downheap (periodics, periodiccnt, HEAP0);	1771	downheap (periodics, periodiccnt, HEAP0);
1650	}	1772	}
1651	else if (w->interval)	1773	else if (w->interval)
1652	{	1774	{
1653	ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;	1775	ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
		1776	/* if next trigger time is not sufficiently in the future, put it there */
		1777	/* this might happen because of floating point inexactness */
1654	if (ev_at (w) - ev_rt_now <= TIME_EPSILON) ev_at (w) += w->interval;	1778	if (ev_at (w) - ev_rt_now < TIME_EPSILON)
		1779	{
		1780	ev_at (w) += w->interval;
1655		1781
1656	assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ev_at (w) >= ev_rt_now));	1782	/* if interval is unreasonably low we might still have a time in the past */
		1783	/* so correct this. this will make the periodic very inexact, but the user */
		1784	/* has effectively asked to get triggered more often than possible */
		1785	if (ev_at (w) < ev_rt_now)
		1786	ev_at (w) = ev_rt_now;
		1787	}
1657		1788
1658	ANHE_at_set (periodics [HEAP0]);	1789	ANHE_at_cache (periodics [HEAP0]);
1659	downheap (periodics, periodiccnt, HEAP0);	1790	downheap (periodics, periodiccnt, HEAP0);
1660	}	1791	}
1661	else	1792	else
1662	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */	1793	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */
1663		1794
		1795	EV_FREQUENT_CHECK;
1664	ev_feed_event (EV_A_ (W)w, EV_PERIODIC);	1796	ev_feed_event (EV_A_ (W)w, EV_PERIODIC);
1665	}	1797	}
1666	}	1798	}
1667		1799
1668	static void noinline	1800	static void noinline
…		…
1678	if (w->reschedule_cb)	1810	if (w->reschedule_cb)
1679	ev_at (w) = w->reschedule_cb (w, ev_rt_now);	1811	ev_at (w) = w->reschedule_cb (w, ev_rt_now);
1680	else if (w->interval)	1812	else if (w->interval)
1681	ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;	1813	ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
1682		1814
1683	ANHE_at_set (periodics [i]);	1815	ANHE_at_cache (periodics [i]);
1684	}	1816	}
1685		1817
1686	/* we don't use floyds algorithm, uphead is simpler and is more cache-efficient */	1818	reheap (periodics, periodiccnt);
1687	/* also, this is easy and corretc for both 2-heaps and 4-heaps */
1688	for (i = 0; i < periodiccnt; ++i)
1689	upheap (periodics, i + HEAP0);
1690	}	1819	}
1691	#endif	1820	#endif
1692		1821
1693	void inline_speed	1822	void inline_speed
1694	time_update (EV_P_ ev_tstamp max_block)	1823	time_update (EV_P_ ev_tstamp max_block)
…		…
1752	/* adjust timers. this is easy, as the offset is the same for all of them */	1881	/* adjust timers. this is easy, as the offset is the same for all of them */
1753	for (i = 0; i < timercnt; ++i)	1882	for (i = 0; i < timercnt; ++i)
1754	{	1883	{
1755	ANHE *he = timers + i + HEAP0;	1884	ANHE *he = timers + i + HEAP0;
1756	ANHE_w (*he)->at += ev_rt_now - mn_now;	1885	ANHE_w (*he)->at += ev_rt_now - mn_now;
1757	ANHE_at_set (*he);	1886	ANHE_at_cache (*he);
1758	}	1887	}
1759	}	1888	}
1760		1889
1761	mn_now = ev_rt_now;	1890	mn_now = ev_rt_now;
1762	}	1891	}
…		…
1772	ev_unref (EV_P)	1901	ev_unref (EV_P)
1773	{	1902	{
1774	--activecnt;	1903	--activecnt;
1775	}	1904	}
1776		1905
		1906	void
		1907	ev_now_update (EV_P)
		1908	{
		1909	time_update (EV_A_ 1e100);
		1910	}
		1911
1777	static int loop_done;	1912	static int loop_done;
1778		1913
1779	void	1914	void
1780	ev_loop (EV_P_ int flags)	1915	ev_loop (EV_P_ int flags)
1781	{	1916	{
…		…
1783		1918
1784	call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */	1919	call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */
1785		1920
1786	do	1921	do
1787	{	1922	{
		1923	#if EV_VERIFY >= 2
		1924	ev_loop_verify (EV_A);
		1925	#endif
		1926
1788	#ifndef _WIN32	1927	#ifndef _WIN32
1789	if (expect_false (curpid)) /* penalise the forking check even more */	1928	if (expect_false (curpid)) /* penalise the forking check even more */
1790	if (expect_false (getpid () != curpid))	1929	if (expect_false (getpid () != curpid))
1791	{	1930	{
1792	curpid = getpid ();	1931	curpid = getpid ();
…		…
1986		2125
1987	if (expect_false (ev_is_active (w)))	2126	if (expect_false (ev_is_active (w)))
1988	return;	2127	return;
1989		2128
1990	assert (("ev_io_start called with negative fd", fd >= 0));	2129	assert (("ev_io_start called with negative fd", fd >= 0));
		2130	assert (("ev_io start called with illegal event mask", !(w->events & ~(EV_IOFDSET | EV_READ | EV_WRITE))));
		2131
		2132	EV_FREQUENT_CHECK;
1991		2133
1992	ev_start (EV_A_ (W)w, 1);	2134	ev_start (EV_A_ (W)w, 1);
1993	array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init);	2135	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);
1994	wlist_add (&anfds[fd].head, (WL)w);	2136	wlist_add (&anfds[fd].head, (WL)w);
1995		2137
1996	fd_change (EV_A_ fd, w->events & EV_IOFDSET | 1);	2138	fd_change (EV_A_ fd, w->events & EV_IOFDSET | 1);
1997	w->events &= ~EV_IOFDSET;	2139	w->events &= ~EV_IOFDSET;
		2140
		2141	EV_FREQUENT_CHECK;
1998	}	2142	}
1999		2143
2000	void noinline	2144	void noinline
2001	ev_io_stop (EV_P_ ev_io *w)	2145	ev_io_stop (EV_P_ ev_io *w)
2002	{	2146	{
…		…
2004	if (expect_false (!ev_is_active (w)))	2148	if (expect_false (!ev_is_active (w)))
2005	return;	2149	return;
2006		2150
2007	assert (("ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));	2151	assert (("ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));
2008		2152
		2153	EV_FREQUENT_CHECK;
		2154
2009	wlist_del (&anfds[w->fd].head, (WL)w);	2155	wlist_del (&anfds[w->fd].head, (WL)w);
2010	ev_stop (EV_A_ (W)w);	2156	ev_stop (EV_A_ (W)w);
2011		2157
2012	fd_change (EV_A_ w->fd, 1);	2158	fd_change (EV_A_ w->fd, 1);
		2159
		2160	EV_FREQUENT_CHECK;
2013	}	2161	}
2014		2162
2015	void noinline	2163	void noinline
2016	ev_timer_start (EV_P_ ev_timer *w)	2164	ev_timer_start (EV_P_ ev_timer *w)
2017	{	2165	{
…		…
2020		2168
2021	ev_at (w) += mn_now;	2169	ev_at (w) += mn_now;
2022		2170
2023	assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));	2171	assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));
2024		2172
		2173	EV_FREQUENT_CHECK;
		2174
		2175	++timercnt;
2025	ev_start (EV_A_ (W)w, ++timercnt + HEAP0 - 1);	2176	ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1);
2026	array_needsize (ANHE, timers, timermax, ev_active (w) + 1, EMPTY2);	2177	array_needsize (ANHE, timers, timermax, ev_active (w) + 1, EMPTY2);
2027	ANHE_w (timers [ev_active (w)]) = (WT)w;	2178	ANHE_w (timers [ev_active (w)]) = (WT)w;
2028	ANHE_at_set (timers [ev_active (w)]);	2179	ANHE_at_cache (timers [ev_active (w)]);
2029	upheap (timers, ev_active (w));	2180	upheap (timers, ev_active (w));
		2181
		2182	EV_FREQUENT_CHECK;
2030		2183
2031	/*assert (("internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/	2184	/*assert (("internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
2032	}	2185	}
2033		2186
2034	void noinline	2187	void noinline
…		…
2036	{	2189	{
2037	clear_pending (EV_A_ (W)w);	2190	clear_pending (EV_A_ (W)w);
2038	if (expect_false (!ev_is_active (w)))	2191	if (expect_false (!ev_is_active (w)))
2039	return;	2192	return;
2040		2193
		2194	EV_FREQUENT_CHECK;
		2195
2041	{	2196	{
2042	int active = ev_active (w);	2197	int active = ev_active (w);
2043		2198
2044	assert (("internal timer heap corruption", ANHE_w (timers [active]) == (WT)w));	2199	assert (("internal timer heap corruption", ANHE_w (timers [active]) == (WT)w));
2045		2200
		2201	--timercnt;
		2202
2046	if (expect_true (active < timercnt + HEAP0 - 1))	2203	if (expect_true (active < timercnt + HEAP0))
2047	{	2204	{
2048	timers [active] = timers [timercnt + HEAP0 - 1];	2205	timers [active] = timers [timercnt + HEAP0];
2049	adjustheap (timers, timercnt, active);	2206	adjustheap (timers, timercnt, active);
2050	}	2207	}
2051
2052	--timercnt;
2053	}	2208	}
		2209
		2210	EV_FREQUENT_CHECK;
2054		2211
2055	ev_at (w) -= mn_now;	2212	ev_at (w) -= mn_now;
2056		2213
2057	ev_stop (EV_A_ (W)w);	2214	ev_stop (EV_A_ (W)w);
2058	}	2215	}
2059		2216
2060	void noinline	2217	void noinline
2061	ev_timer_again (EV_P_ ev_timer *w)	2218	ev_timer_again (EV_P_ ev_timer *w)
2062	{	2219	{
		2220	EV_FREQUENT_CHECK;
		2221
2063	if (ev_is_active (w))	2222	if (ev_is_active (w))
2064	{	2223	{
2065	if (w->repeat)	2224	if (w->repeat)
2066	{	2225	{
2067	ev_at (w) = mn_now + w->repeat;	2226	ev_at (w) = mn_now + w->repeat;
2068	ANHE_at_set (timers [ev_active (w)]);	2227	ANHE_at_cache (timers [ev_active (w)]);
2069	adjustheap (timers, timercnt, ev_active (w));	2228	adjustheap (timers, timercnt, ev_active (w));
2070	}	2229	}
2071	else	2230	else
2072	ev_timer_stop (EV_A_ w);	2231	ev_timer_stop (EV_A_ w);
2073	}	2232	}
2074	else if (w->repeat)	2233	else if (w->repeat)
2075	{	2234	{
2076	ev_at (w) = w->repeat;	2235	ev_at (w) = w->repeat;
2077	ev_timer_start (EV_A_ w);	2236	ev_timer_start (EV_A_ w);
2078	}	2237	}
		2238
		2239	EV_FREQUENT_CHECK;
2079	}	2240	}
2080		2241
2081	#if EV_PERIODIC_ENABLE	2242	#if EV_PERIODIC_ENABLE
2082	void noinline	2243	void noinline
2083	ev_periodic_start (EV_P_ ev_periodic *w)	2244	ev_periodic_start (EV_P_ ev_periodic *w)
…		…
2094	ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;	2255	ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
2095	}	2256	}
2096	else	2257	else
2097	ev_at (w) = w->offset;	2258	ev_at (w) = w->offset;
2098		2259
		2260	EV_FREQUENT_CHECK;
		2261
		2262	++periodiccnt;
2099	ev_start (EV_A_ (W)w, ++periodiccnt + HEAP0 - 1);	2263	ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1);
2100	array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, EMPTY2);	2264	array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, EMPTY2);
2101	ANHE_w (periodics [ev_active (w)]) = (WT)w;	2265	ANHE_w (periodics [ev_active (w)]) = (WT)w;
2102	ANHE_at_set (periodics [ev_active (w)]);	2266	ANHE_at_cache (periodics [ev_active (w)]);
2103	upheap (periodics, ev_active (w));	2267	upheap (periodics, ev_active (w));
		2268
		2269	EV_FREQUENT_CHECK;
2104		2270
2105	/*assert (("internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/	2271	/*assert (("internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
2106	}	2272	}
2107		2273
2108	void noinline	2274	void noinline
…		…
2110	{	2276	{
2111	clear_pending (EV_A_ (W)w);	2277	clear_pending (EV_A_ (W)w);
2112	if (expect_false (!ev_is_active (w)))	2278	if (expect_false (!ev_is_active (w)))
2113	return;	2279	return;
2114		2280
		2281	EV_FREQUENT_CHECK;
		2282
2115	{	2283	{
2116	int active = ev_active (w);	2284	int active = ev_active (w);
2117		2285
2118	assert (("internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w));	2286	assert (("internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w));
2119		2287
		2288	--periodiccnt;
		2289
2120	if (expect_true (active < periodiccnt + HEAP0 - 1))	2290	if (expect_true (active < periodiccnt + HEAP0))
2121	{	2291	{
2122	periodics [active] = periodics [periodiccnt + HEAP0 - 1];	2292	periodics [active] = periodics [periodiccnt + HEAP0];
2123	adjustheap (periodics, periodiccnt, active);	2293	adjustheap (periodics, periodiccnt, active);
2124	}	2294	}
2125
2126	--periodiccnt;
2127	}	2295	}
		2296
		2297	EV_FREQUENT_CHECK;
2128		2298
2129	ev_stop (EV_A_ (W)w);	2299	ev_stop (EV_A_ (W)w);
2130	}	2300	}
2131		2301
2132	void noinline	2302	void noinline
…		…
2152	return;	2322	return;
2153		2323
2154	assert (("ev_signal_start called with illegal signal number", w->signum > 0));	2324	assert (("ev_signal_start called with illegal signal number", w->signum > 0));
2155		2325
2156	evpipe_init (EV_A);	2326	evpipe_init (EV_A);
		2327
		2328	EV_FREQUENT_CHECK;
2157		2329
2158	{	2330	{
2159	#ifndef _WIN32	2331	#ifndef _WIN32
2160	sigset_t full, prev;	2332	sigset_t full, prev;
2161	sigfillset (&full);	2333	sigfillset (&full);
2162	sigprocmask (SIG_SETMASK, &full, &prev);	2334	sigprocmask (SIG_SETMASK, &full, &prev);
2163	#endif	2335	#endif
2164		2336
2165	array_needsize (ANSIG, signals, signalmax, w->signum, signals_init);	2337	array_needsize (ANSIG, signals, signalmax, w->signum, array_init_zero);
2166		2338
2167	#ifndef _WIN32	2339	#ifndef _WIN32
2168	sigprocmask (SIG_SETMASK, &prev, 0);	2340	sigprocmask (SIG_SETMASK, &prev, 0);
2169	#endif	2341	#endif
2170	}	2342	}
…		…
2182	sigfillset (&sa.sa_mask);	2354	sigfillset (&sa.sa_mask);
2183	sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */	2355	sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */
2184	sigaction (w->signum, &sa, 0);	2356	sigaction (w->signum, &sa, 0);
2185	#endif	2357	#endif
2186	}	2358	}
		2359
		2360	EV_FREQUENT_CHECK;
2187	}	2361	}
2188		2362
2189	void noinline	2363	void noinline
2190	ev_signal_stop (EV_P_ ev_signal *w)	2364	ev_signal_stop (EV_P_ ev_signal *w)
2191	{	2365	{
2192	clear_pending (EV_A_ (W)w);	2366	clear_pending (EV_A_ (W)w);
2193	if (expect_false (!ev_is_active (w)))	2367	if (expect_false (!ev_is_active (w)))
2194	return;	2368	return;
2195		2369
		2370	EV_FREQUENT_CHECK;
		2371
2196	wlist_del (&signals [w->signum - 1].head, (WL)w);	2372	wlist_del (&signals [w->signum - 1].head, (WL)w);
2197	ev_stop (EV_A_ (W)w);	2373	ev_stop (EV_A_ (W)w);
2198		2374
2199	if (!signals [w->signum - 1].head)	2375	if (!signals [w->signum - 1].head)
2200	signal (w->signum, SIG_DFL);	2376	signal (w->signum, SIG_DFL);
		2377
		2378	EV_FREQUENT_CHECK;
2201	}	2379	}
2202		2380
2203	void	2381	void
2204	ev_child_start (EV_P_ ev_child *w)	2382	ev_child_start (EV_P_ ev_child *w)
2205	{	2383	{
…		…
2207	assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr));	2385	assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
2208	#endif	2386	#endif
2209	if (expect_false (ev_is_active (w)))	2387	if (expect_false (ev_is_active (w)))
2210	return;	2388	return;
2211		2389
		2390	EV_FREQUENT_CHECK;
		2391
2212	ev_start (EV_A_ (W)w, 1);	2392	ev_start (EV_A_ (W)w, 1);
2213	wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);	2393	wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);
		2394
		2395	EV_FREQUENT_CHECK;
2214	}	2396	}
2215		2397
2216	void	2398	void
2217	ev_child_stop (EV_P_ ev_child *w)	2399	ev_child_stop (EV_P_ ev_child *w)
2218	{	2400	{
2219	clear_pending (EV_A_ (W)w);	2401	clear_pending (EV_A_ (W)w);
2220	if (expect_false (!ev_is_active (w)))	2402	if (expect_false (!ev_is_active (w)))
2221	return;	2403	return;
2222		2404
		2405	EV_FREQUENT_CHECK;
		2406
2223	wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);	2407	wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);
2224	ev_stop (EV_A_ (W)w);	2408	ev_stop (EV_A_ (W)w);
		2409
		2410	EV_FREQUENT_CHECK;
2225	}	2411	}
2226		2412
2227	#if EV_STAT_ENABLE	2413	#if EV_STAT_ENABLE
2228		2414
2229	# ifdef _WIN32	2415	# ifdef _WIN32
2230	# undef lstat	2416	# undef lstat
2231	# define lstat(a,b) _stati64 (a,b)	2417	# define lstat(a,b) _stati64 (a,b)
2232	# endif	2418	# endif
2233		2419
2234	#define DEF_STAT_INTERVAL 5.0074891	2420	#define DEF_STAT_INTERVAL 5.0074891
		2421	#define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */
2235	#define MIN_STAT_INTERVAL 0.1074891	2422	#define MIN_STAT_INTERVAL 0.1074891
2236		2423
2237	static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents);	2424	static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents);
2238		2425
2239	#if EV_USE_INOTIFY	2426	#if EV_USE_INOTIFY
2240	# define EV_INOTIFY_BUFSIZE 8192	2427	# define EV_INOTIFY_BUFSIZE 8192
…		…
2244	{	2431	{
2245	w->wd = inotify_add_watch (fs_fd, w->path, IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY | IN_DONT_FOLLOW | IN_MASK_ADD);	2432	w->wd = inotify_add_watch (fs_fd, w->path, IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY | IN_DONT_FOLLOW | IN_MASK_ADD);
2246		2433
2247	if (w->wd < 0)	2434	if (w->wd < 0)
2248	{	2435	{
		2436	w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;
2249	ev_timer_start (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */	2437	ev_timer_again (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */
2250		2438
2251	/* monitor some parent directory for speedup hints */	2439	/* monitor some parent directory for speedup hints */
2252	/* note that exceeding the hardcoded limit is not a correctness issue, */	2440	/* note that exceeding the hardcoded path limit is not a correctness issue, */
2253	/* but an efficiency issue only */	2441	/* but an efficiency issue only */
2254	if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096)	2442	if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096)
2255	{	2443	{
2256	char path [4096];	2444	char path [4096];
2257	strcpy (path, w->path);	2445	strcpy (path, w->path);
…		…
2271	}	2459	}
2272	while (w->wd < 0 && (errno == ENOENT || errno == EACCES));	2460	while (w->wd < 0 && (errno == ENOENT || errno == EACCES));
2273	}	2461	}
2274	}	2462	}
2275	else	2463	else
2276	ev_timer_stop (EV_A_ &w->timer); /* we can watch this in a race-free way */	2464	{
2277
2278	if (w->wd >= 0)
2279	wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w);	2465	wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w);
		2466
		2467	/* now local changes will be tracked by inotify, but remote changes won't */
		2468	/* unless the filesystem it known to be local, we therefore still poll */
		2469	/* also do poll on <2.6.25, but with normal frequency */
		2470	struct statfs sfs;
		2471
		2472	if (fs_2625 && !statfs (w->path, &sfs))
		2473	if (sfs.f_type == 0x1373 /* devfs */
		2474	|| sfs.f_type == 0xEF53 /* ext2/3 */
		2475	|| sfs.f_type == 0x3153464a /* jfs */
		2476	|| sfs.f_type == 0x52654973 /* reiser3 */
		2477	|| sfs.f_type == 0x01021994 /* tempfs */
		2478	|| sfs.f_type == 0x58465342 /* xfs */)
		2479	return;
		2480
		2481	w->timer.repeat = w->interval ? w->interval : fs_2625 ? NFS_STAT_INTERVAL : DEF_STAT_INTERVAL;
		2482	ev_timer_again (EV_A_ &w->timer);
		2483	}
2280	}	2484	}
2281		2485
2282	static void noinline	2486	static void noinline
2283	infy_del (EV_P_ ev_stat *w)	2487	infy_del (EV_P_ ev_stat *w)
2284	{	2488	{
…		…
2298		2502
2299	static void noinline	2503	static void noinline
2300	infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)	2504	infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)
2301	{	2505	{
2302	if (slot < 0)	2506	if (slot < 0)
2303	/* overflow, need to check for all hahs slots */	2507	/* overflow, need to check for all hash slots */
2304	for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot)	2508	for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot)
2305	infy_wd (EV_A_ slot, wd, ev);	2509	infy_wd (EV_A_ slot, wd, ev);
2306	else	2510	else
2307	{	2511	{
2308	WL w_;	2512	WL w_;
…		…
2337	for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len)	2541	for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len)
2338	infy_wd (EV_A_ ev->wd, ev->wd, ev);	2542	infy_wd (EV_A_ ev->wd, ev->wd, ev);
2339	}	2543	}
2340		2544
2341	void inline_size	2545	void inline_size
		2546	check_2625 (EV_P)
		2547	{
		2548	/* kernels < 2.6.25 are borked
		2549	* http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html
		2550	*/
		2551	struct utsname buf;
		2552	int major, minor, micro;
		2553
		2554	if (uname (&buf))
		2555	return;
		2556
		2557	if (sscanf (buf.release, "%d.%d.%d", &major, &minor, &micro) != 3)
		2558	return;
		2559
		2560	if (major < 2
		2561	|| (major == 2 && minor < 6)
		2562	|| (major == 2 && minor == 6 && micro < 25))
		2563	return;
		2564
		2565	fs_2625 = 1;
		2566	}
		2567
		2568	void inline_size
2342	infy_init (EV_P)	2569	infy_init (EV_P)
2343	{	2570	{
2344	if (fs_fd != -2)	2571	if (fs_fd != -2)
2345	return;	2572	return;
		2573
		2574	fs_fd = -1;
		2575
		2576	check_2625 (EV_A);
2346		2577
2347	fs_fd = inotify_init ();	2578	fs_fd = inotify_init ();
2348		2579
2349	if (fs_fd >= 0)	2580	if (fs_fd >= 0)
2350	{	2581	{
…		…
2378	w->wd = -1;	2609	w->wd = -1;
2379		2610
2380	if (fs_fd >= 0)	2611	if (fs_fd >= 0)
2381	infy_add (EV_A_ w); /* re-add, no matter what */	2612	infy_add (EV_A_ w); /* re-add, no matter what */
2382	else	2613	else
2383	ev_timer_start (EV_A_ &w->timer);	2614	ev_timer_again (EV_A_ &w->timer);
2384	}	2615	}
2385
2386	}	2616	}
2387	}	2617	}
2388		2618
		2619	#endif
		2620
		2621	#ifdef _WIN32
		2622	# define EV_LSTAT(p,b) _stati64 (p, b)
		2623	#else
		2624	# define EV_LSTAT(p,b) lstat (p, b)
2389	#endif	2625	#endif
2390		2626
2391	void	2627	void
2392	ev_stat_stat (EV_P_ ev_stat *w)	2628	ev_stat_stat (EV_P_ ev_stat *w)
2393	{	2629	{
…		…
2420	|| w->prev.st_atime != w->attr.st_atime	2656	|| w->prev.st_atime != w->attr.st_atime
2421	|| w->prev.st_mtime != w->attr.st_mtime	2657	|| w->prev.st_mtime != w->attr.st_mtime
2422	|| w->prev.st_ctime != w->attr.st_ctime	2658	|| w->prev.st_ctime != w->attr.st_ctime
2423	) {	2659	) {
2424	#if EV_USE_INOTIFY	2660	#if EV_USE_INOTIFY
		2661	if (fs_fd >= 0)
		2662	{
2425	infy_del (EV_A_ w);	2663	infy_del (EV_A_ w);
2426	infy_add (EV_A_ w);	2664	infy_add (EV_A_ w);
2427	ev_stat_stat (EV_A_ w); /* avoid race... */	2665	ev_stat_stat (EV_A_ w); /* avoid race... */
		2666	}
2428	#endif	2667	#endif
2429		2668
2430	ev_feed_event (EV_A_ w, EV_STAT);	2669	ev_feed_event (EV_A_ w, EV_STAT);
2431	}	2670	}
2432	}	2671	}
…		…
2435	ev_stat_start (EV_P_ ev_stat *w)	2674	ev_stat_start (EV_P_ ev_stat *w)
2436	{	2675	{
2437	if (expect_false (ev_is_active (w)))	2676	if (expect_false (ev_is_active (w)))
2438	return;	2677	return;
2439		2678
2440	/* since we use memcmp, we need to clear any padding data etc. */
2441	memset (&w->prev, 0, sizeof (ev_statdata));
2442	memset (&w->attr, 0, sizeof (ev_statdata));
2443
2444	ev_stat_stat (EV_A_ w);	2679	ev_stat_stat (EV_A_ w);
2445		2680
		2681	if (w->interval < MIN_STAT_INTERVAL && w->interval)
2446	if (w->interval < MIN_STAT_INTERVAL)	2682	w->interval = MIN_STAT_INTERVAL;
2447	w->interval = w->interval ? MIN_STAT_INTERVAL : DEF_STAT_INTERVAL;
2448		2683
2449	ev_timer_init (&w->timer, stat_timer_cb, w->interval, w->interval);	2684	ev_timer_init (&w->timer, stat_timer_cb, 0., w->interval ? w->interval : DEF_STAT_INTERVAL);
2450	ev_set_priority (&w->timer, ev_priority (w));	2685	ev_set_priority (&w->timer, ev_priority (w));
2451		2686
2452	#if EV_USE_INOTIFY	2687	#if EV_USE_INOTIFY
2453	infy_init (EV_A);	2688	infy_init (EV_A);
2454		2689
2455	if (fs_fd >= 0)	2690	if (fs_fd >= 0)
2456	infy_add (EV_A_ w);	2691	infy_add (EV_A_ w);
2457	else	2692	else
2458	#endif	2693	#endif
2459	ev_timer_start (EV_A_ &w->timer);	2694	ev_timer_again (EV_A_ &w->timer);
2460		2695
2461	ev_start (EV_A_ (W)w, 1);	2696	ev_start (EV_A_ (W)w, 1);
		2697
		2698	EV_FREQUENT_CHECK;
2462	}	2699	}
2463		2700
2464	void	2701	void
2465	ev_stat_stop (EV_P_ ev_stat *w)	2702	ev_stat_stop (EV_P_ ev_stat *w)
2466	{	2703	{
2467	clear_pending (EV_A_ (W)w);	2704	clear_pending (EV_A_ (W)w);
2468	if (expect_false (!ev_is_active (w)))	2705	if (expect_false (!ev_is_active (w)))
2469	return;	2706	return;
2470		2707
		2708	EV_FREQUENT_CHECK;
		2709
2471	#if EV_USE_INOTIFY	2710	#if EV_USE_INOTIFY
2472	infy_del (EV_A_ w);	2711	infy_del (EV_A_ w);
2473	#endif	2712	#endif
2474	ev_timer_stop (EV_A_ &w->timer);	2713	ev_timer_stop (EV_A_ &w->timer);
2475		2714
2476	ev_stop (EV_A_ (W)w);	2715	ev_stop (EV_A_ (W)w);
		2716
		2717	EV_FREQUENT_CHECK;
2477	}	2718	}
2478	#endif	2719	#endif
2479		2720
2480	#if EV_IDLE_ENABLE	2721	#if EV_IDLE_ENABLE
2481	void	2722	void
…		…
2483	{	2724	{
2484	if (expect_false (ev_is_active (w)))	2725	if (expect_false (ev_is_active (w)))
2485	return;	2726	return;
2486		2727
2487	pri_adjust (EV_A_ (W)w);	2728	pri_adjust (EV_A_ (W)w);
		2729
		2730	EV_FREQUENT_CHECK;
2488		2731
2489	{	2732	{
2490	int active = ++idlecnt [ABSPRI (w)];	2733	int active = ++idlecnt [ABSPRI (w)];
2491		2734
2492	++idleall;	2735	++idleall;
2493	ev_start (EV_A_ (W)w, active);	2736	ev_start (EV_A_ (W)w, active);
2494		2737
2495	array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2);	2738	array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2);
2496	idles [ABSPRI (w)][active - 1] = w;	2739	idles [ABSPRI (w)][active - 1] = w;
2497	}	2740	}
		2741
		2742	EV_FREQUENT_CHECK;
2498	}	2743	}
2499		2744
2500	void	2745	void
2501	ev_idle_stop (EV_P_ ev_idle *w)	2746	ev_idle_stop (EV_P_ ev_idle *w)
2502	{	2747	{
2503	clear_pending (EV_A_ (W)w);	2748	clear_pending (EV_A_ (W)w);
2504	if (expect_false (!ev_is_active (w)))	2749	if (expect_false (!ev_is_active (w)))
2505	return;	2750	return;
2506		2751
		2752	EV_FREQUENT_CHECK;
		2753
2507	{	2754	{
2508	int active = ev_active (w);	2755	int active = ev_active (w);
2509		2756
2510	idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]];	2757	idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]];
2511	ev_active (idles [ABSPRI (w)][active - 1]) = active;	2758	ev_active (idles [ABSPRI (w)][active - 1]) = active;
2512		2759
2513	ev_stop (EV_A_ (W)w);	2760	ev_stop (EV_A_ (W)w);
2514	--idleall;	2761	--idleall;
2515	}	2762	}
		2763
		2764	EV_FREQUENT_CHECK;
2516	}	2765	}
2517	#endif	2766	#endif
2518		2767
2519	void	2768	void
2520	ev_prepare_start (EV_P_ ev_prepare *w)	2769	ev_prepare_start (EV_P_ ev_prepare *w)
2521	{	2770	{
2522	if (expect_false (ev_is_active (w)))	2771	if (expect_false (ev_is_active (w)))
2523	return;	2772	return;
		2773
		2774	EV_FREQUENT_CHECK;
2524		2775
2525	ev_start (EV_A_ (W)w, ++preparecnt);	2776	ev_start (EV_A_ (W)w, ++preparecnt);
2526	array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2);	2777	array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2);
2527	prepares [preparecnt - 1] = w;	2778	prepares [preparecnt - 1] = w;
		2779
		2780	EV_FREQUENT_CHECK;
2528	}	2781	}
2529		2782
2530	void	2783	void
2531	ev_prepare_stop (EV_P_ ev_prepare *w)	2784	ev_prepare_stop (EV_P_ ev_prepare *w)
2532	{	2785	{
2533	clear_pending (EV_A_ (W)w);	2786	clear_pending (EV_A_ (W)w);
2534	if (expect_false (!ev_is_active (w)))	2787	if (expect_false (!ev_is_active (w)))
2535	return;	2788	return;
2536		2789
		2790	EV_FREQUENT_CHECK;
		2791
2537	{	2792	{
2538	int active = ev_active (w);	2793	int active = ev_active (w);
2539		2794
2540	prepares [active - 1] = prepares [--preparecnt];	2795	prepares [active - 1] = prepares [--preparecnt];
2541	ev_active (prepares [active - 1]) = active;	2796	ev_active (prepares [active - 1]) = active;
2542	}	2797	}
2543		2798
2544	ev_stop (EV_A_ (W)w);	2799	ev_stop (EV_A_ (W)w);
		2800
		2801	EV_FREQUENT_CHECK;
2545	}	2802	}
2546		2803
2547	void	2804	void
2548	ev_check_start (EV_P_ ev_check *w)	2805	ev_check_start (EV_P_ ev_check *w)
2549	{	2806	{
2550	if (expect_false (ev_is_active (w)))	2807	if (expect_false (ev_is_active (w)))
2551	return;	2808	return;
		2809
		2810	EV_FREQUENT_CHECK;
2552		2811
2553	ev_start (EV_A_ (W)w, ++checkcnt);	2812	ev_start (EV_A_ (W)w, ++checkcnt);
2554	array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2);	2813	array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2);
2555	checks [checkcnt - 1] = w;	2814	checks [checkcnt - 1] = w;
		2815
		2816	EV_FREQUENT_CHECK;
2556	}	2817	}
2557		2818
2558	void	2819	void
2559	ev_check_stop (EV_P_ ev_check *w)	2820	ev_check_stop (EV_P_ ev_check *w)
2560	{	2821	{
2561	clear_pending (EV_A_ (W)w);	2822	clear_pending (EV_A_ (W)w);
2562	if (expect_false (!ev_is_active (w)))	2823	if (expect_false (!ev_is_active (w)))
2563	return;	2824	return;
2564		2825
		2826	EV_FREQUENT_CHECK;
		2827
2565	{	2828	{
2566	int active = ev_active (w);	2829	int active = ev_active (w);
2567		2830
2568	checks [active - 1] = checks [--checkcnt];	2831	checks [active - 1] = checks [--checkcnt];
2569	ev_active (checks [active - 1]) = active;	2832	ev_active (checks [active - 1]) = active;
2570	}	2833	}
2571		2834
2572	ev_stop (EV_A_ (W)w);	2835	ev_stop (EV_A_ (W)w);
		2836
		2837	EV_FREQUENT_CHECK;
2573	}	2838	}
2574		2839
2575	#if EV_EMBED_ENABLE	2840	#if EV_EMBED_ENABLE
2576	void noinline	2841	void noinline
2577	ev_embed_sweep (EV_P_ ev_embed *w)	2842	ev_embed_sweep (EV_P_ ev_embed *w)
…		…
2604	ev_loop (EV_A_ EVLOOP_NONBLOCK);	2869	ev_loop (EV_A_ EVLOOP_NONBLOCK);
2605	}	2870	}
2606	}	2871	}
2607	}	2872	}
2608		2873
		2874	static void
		2875	embed_fork_cb (EV_P_ ev_fork *fork_w, int revents)
		2876	{
		2877	ev_embed *w = (ev_embed *)(((char *)fork_w) - offsetof (ev_embed, fork));
		2878
		2879	{
		2880	struct ev_loop *loop = w->other;
		2881
		2882	ev_loop_fork (EV_A);
		2883	}
		2884	}
		2885
2609	#if 0	2886	#if 0
2610	static void	2887	static void
2611	embed_idle_cb (EV_P_ ev_idle *idle, int revents)	2888	embed_idle_cb (EV_P_ ev_idle *idle, int revents)
2612	{	2889	{
2613	ev_idle_stop (EV_A_ idle);	2890	ev_idle_stop (EV_A_ idle);
…		…
2624	struct ev_loop *loop = w->other;	2901	struct ev_loop *loop = w->other;
2625	assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ()));	2902	assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ()));
2626	ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ);	2903	ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ);
2627	}	2904	}
2628		2905
		2906	EV_FREQUENT_CHECK;
		2907
2629	ev_set_priority (&w->io, ev_priority (w));	2908	ev_set_priority (&w->io, ev_priority (w));
2630	ev_io_start (EV_A_ &w->io);	2909	ev_io_start (EV_A_ &w->io);
2631		2910
2632	ev_prepare_init (&w->prepare, embed_prepare_cb);	2911	ev_prepare_init (&w->prepare, embed_prepare_cb);
2633	ev_set_priority (&w->prepare, EV_MINPRI);	2912	ev_set_priority (&w->prepare, EV_MINPRI);
2634	ev_prepare_start (EV_A_ &w->prepare);	2913	ev_prepare_start (EV_A_ &w->prepare);
2635		2914
		2915	ev_fork_init (&w->fork, embed_fork_cb);
		2916	ev_fork_start (EV_A_ &w->fork);
		2917
2636	/*ev_idle_init (&w->idle, e,bed_idle_cb);*/	2918	/*ev_idle_init (&w->idle, e,bed_idle_cb);*/
2637		2919
2638	ev_start (EV_A_ (W)w, 1);	2920	ev_start (EV_A_ (W)w, 1);
		2921
		2922	EV_FREQUENT_CHECK;
2639	}	2923	}
2640		2924
2641	void	2925	void
2642	ev_embed_stop (EV_P_ ev_embed *w)	2926	ev_embed_stop (EV_P_ ev_embed *w)
2643	{	2927	{
2644	clear_pending (EV_A_ (W)w);	2928	clear_pending (EV_A_ (W)w);
2645	if (expect_false (!ev_is_active (w)))	2929	if (expect_false (!ev_is_active (w)))
2646	return;	2930	return;
2647		2931
		2932	EV_FREQUENT_CHECK;
		2933
2648	ev_io_stop (EV_A_ &w->io);	2934	ev_io_stop (EV_A_ &w->io);
2649	ev_prepare_stop (EV_A_ &w->prepare);	2935	ev_prepare_stop (EV_A_ &w->prepare);
		2936	ev_fork_stop (EV_A_ &w->fork);
2650		2937
2651	ev_stop (EV_A_ (W)w);	2938	EV_FREQUENT_CHECK;
2652	}	2939	}
2653	#endif	2940	#endif
2654		2941
2655	#if EV_FORK_ENABLE	2942	#if EV_FORK_ENABLE
2656	void	2943	void
2657	ev_fork_start (EV_P_ ev_fork *w)	2944	ev_fork_start (EV_P_ ev_fork *w)
2658	{	2945	{
2659	if (expect_false (ev_is_active (w)))	2946	if (expect_false (ev_is_active (w)))
2660	return;	2947	return;
		2948
		2949	EV_FREQUENT_CHECK;
2661		2950
2662	ev_start (EV_A_ (W)w, ++forkcnt);	2951	ev_start (EV_A_ (W)w, ++forkcnt);
2663	array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2);	2952	array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2);
2664	forks [forkcnt - 1] = w;	2953	forks [forkcnt - 1] = w;
		2954
		2955	EV_FREQUENT_CHECK;
2665	}	2956	}
2666		2957
2667	void	2958	void
2668	ev_fork_stop (EV_P_ ev_fork *w)	2959	ev_fork_stop (EV_P_ ev_fork *w)
2669	{	2960	{
2670	clear_pending (EV_A_ (W)w);	2961	clear_pending (EV_A_ (W)w);
2671	if (expect_false (!ev_is_active (w)))	2962	if (expect_false (!ev_is_active (w)))
2672	return;	2963	return;
2673		2964
		2965	EV_FREQUENT_CHECK;
		2966
2674	{	2967	{
2675	int active = ev_active (w);	2968	int active = ev_active (w);
2676		2969
2677	forks [active - 1] = forks [--forkcnt];	2970	forks [active - 1] = forks [--forkcnt];
2678	ev_active (forks [active - 1]) = active;	2971	ev_active (forks [active - 1]) = active;
2679	}	2972	}
2680		2973
2681	ev_stop (EV_A_ (W)w);	2974	ev_stop (EV_A_ (W)w);
		2975
		2976	EV_FREQUENT_CHECK;
2682	}	2977	}
2683	#endif	2978	#endif
2684		2979
2685	#if EV_ASYNC_ENABLE	2980	#if EV_ASYNC_ENABLE
2686	void	2981	void
…		…
2688	{	2983	{
2689	if (expect_false (ev_is_active (w)))	2984	if (expect_false (ev_is_active (w)))
2690	return;	2985	return;
2691		2986
2692	evpipe_init (EV_A);	2987	evpipe_init (EV_A);
		2988
		2989	EV_FREQUENT_CHECK;
2693		2990
2694	ev_start (EV_A_ (W)w, ++asynccnt);	2991	ev_start (EV_A_ (W)w, ++asynccnt);
2695	array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2);	2992	array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2);
2696	asyncs [asynccnt - 1] = w;	2993	asyncs [asynccnt - 1] = w;
		2994
		2995	EV_FREQUENT_CHECK;
2697	}	2996	}
2698		2997
2699	void	2998	void
2700	ev_async_stop (EV_P_ ev_async *w)	2999	ev_async_stop (EV_P_ ev_async *w)
2701	{	3000	{
2702	clear_pending (EV_A_ (W)w);	3001	clear_pending (EV_A_ (W)w);
2703	if (expect_false (!ev_is_active (w)))	3002	if (expect_false (!ev_is_active (w)))
2704	return;	3003	return;
2705		3004
		3005	EV_FREQUENT_CHECK;
		3006
2706	{	3007	{
2707	int active = ev_active (w);	3008	int active = ev_active (w);
2708		3009
2709	asyncs [active - 1] = asyncs [--asynccnt];	3010	asyncs [active - 1] = asyncs [--asynccnt];
2710	ev_active (asyncs [active - 1]) = active;	3011	ev_active (asyncs [active - 1]) = active;
2711	}	3012	}
2712		3013
2713	ev_stop (EV_A_ (W)w);	3014	ev_stop (EV_A_ (W)w);
		3015
		3016	EV_FREQUENT_CHECK;
2714	}	3017	}
2715		3018
2716	void	3019	void
2717	ev_async_send (EV_P_ ev_async *w)	3020	ev_async_send (EV_P_ ev_async *w)
2718	{	3021	{
…		…
2735	once_cb (EV_P_ struct ev_once *once, int revents)	3038	once_cb (EV_P_ struct ev_once *once, int revents)
2736	{	3039	{
2737	void (*cb)(int revents, void *arg) = once->cb;	3040	void (*cb)(int revents, void *arg) = once->cb;
2738	void *arg = once->arg;	3041	void *arg = once->arg;
2739		3042
2740	ev_io_stop (EV_A_ &once->io);	3043	ev_io_stop (EV_A_ &once->io);
2741	ev_timer_stop (EV_A_ &once->to);	3044	ev_timer_stop (EV_A_ &once->to);
2742	ev_free (once);	3045	ev_free (once);
2743		3046
2744	cb (revents, arg);	3047	cb (revents, arg);
2745	}	3048	}
2746		3049
2747	static void	3050	static void
2748	once_cb_io (EV_P_ ev_io *w, int revents)	3051	once_cb_io (EV_P_ ev_io *w, int revents)
2749	{	3052	{
2750	once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, io)), revents);	3053	struct ev_once *once = (struct ev_once *)(((char *)w) - offsetof (struct ev_once, io));
		3054
		3055	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->to));
2751	}	3056	}
2752		3057
2753	static void	3058	static void
2754	once_cb_to (EV_P_ ev_timer *w, int revents)	3059	once_cb_to (EV_P_ ev_timer *w, int revents)
2755	{	3060	{
2756	once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, to)), revents);	3061	struct ev_once *once = (struct ev_once *)(((char *)w) - offsetof (struct ev_once, to));
		3062
		3063	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));
2757	}	3064	}
2758		3065
2759	void	3066	void
2760	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg)	3067	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg)
2761	{	3068	{

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