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Comparing libev/ev.c (file contents):
Revision 1.247 by root, Wed May 21 21:22:10 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	/*****************************************************************************/
…		…
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	#define HPARENT(k) ((((k) - HEAP0 - 1) / DHEAP) + HEAP0)	838	#define HPARENT(k) ((((k) - HEAP0 - 1) / DHEAP) + HEAP0)
808		839	#define UPHEAP_DONE(p,k) ((p) == (k))
809	/* towards the root */
810	void inline_speed
811	upheap (ANHE *heap, int k)
812	{
813	ANHE he = heap [k];
814
815	for (;;)
816	{
817	int p = HPARENT (k);
818
819	if (p == k || ANHE_at (heap [p]) <= ANHE_at (he))
820	break;
821
822	heap [k] = heap [p];
823	ev_active (ANHE_w (heap [k])) = k;
824	k = p;
825	}
826
827	heap [k] = he;
828	ev_active (ANHE_w (he)) = k;
829	}
830		840
831	/* away from the root */	841	/* away from the root */
832	void inline_speed	842	void inline_speed
833	downheap (ANHE *heap, int N, int k)	843	downheap (ANHE *heap, int N, int k)
834	{	844	{
…		…
837		847
838	for (;;)	848	for (;;)
839	{	849	{
840	ev_tstamp minat;	850	ev_tstamp minat;
841	ANHE *minpos;	851	ANHE *minpos;
842	ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0;	852	ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0 + 1;
843		853
844	// find minimum child	854	/* find minimum child */
845	if (expect_true (pos + DHEAP - 1 < E))	855	if (expect_true (pos + DHEAP - 1 < E))
846	{	856	{
847	/* fast path */ (minpos = pos + 0), (minat = ANHE_at (*minpos));	857	/* fast path */ (minpos = pos + 0), (minat = ANHE_at (*minpos));
848	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));
849	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));
…		…
870		880
871	heap [k] = he;	881	heap [k] = he;
872	ev_active (ANHE_w (he)) = k;	882	ev_active (ANHE_w (he)) = k;
873	}	883	}
874		884
875	#else // 4HEAP	885	#else /* 4HEAP */
876		886
877	#define HEAP0 1	887	#define HEAP0 1
878	#define HPARENT(k) ((k) >> 1)	888	#define HPARENT(k) ((k) >> 1)
879		889	#define UPHEAP_DONE(p,k) (!(p))
880	/* towards the root */
881	void inline_speed
882	upheap (ANHE *heap, int k)
883	{
884	ANHE he = heap [k];
885
886	for (;;)
887	{
888	int p = HPARENT (k);
889
890	/* maybe we could use a dummy element at heap [0]? */
891	if (!p || ANHE_at (heap [p]) <= ANHE_at (he))
892	break;
893
894	heap [k] = heap [p];
895	ev_active (ANHE_w (heap [k])) = k;
896	k = p;
897	}
898
899	heap [k] = he;
900	ev_active (ANHE_w (heap [k])) = k;
901	}
902		890
903	/* away from the root */	891	/* away from the root */
904	void inline_speed	892	void inline_speed
905	downheap (ANHE *heap, int N, int k)	893	downheap (ANHE *heap, int N, int k)
906	{	894	{
…		…
908		896
909	for (;;)	897	for (;;)
910	{	898	{
911	int c = k << 1;	899	int c = k << 1;
912		900
913	if (c > N)	901	if (c > N + HEAP0 - 1)
914	break;	902	break;
915		903
916	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])
917	? 1 : 0;	905	? 1 : 0;
918		906
919	if (ANHE_at (he) <= ANHE_at (heap [c]))	907	if (ANHE_at (he) <= ANHE_at (heap [c]))
920	break;	908	break;
921		909
…		…
928	heap [k] = he;	916	heap [k] = he;
929	ev_active (ANHE_w (he)) = k;	917	ev_active (ANHE_w (he)) = k;
930	}	918	}
931	#endif	919	#endif
932		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
933	void inline_size	943	void inline_size
934	adjustheap (ANHE *heap, int N, int k)	944	adjustheap (ANHE *heap, int N, int k)
935	{	945	{
936	if (k > HEAP0 && ANHE_at (heap [HPARENT (k)]) >= ANHE_at (heap [k]))	946	if (k > HEAP0 && ANHE_at (heap [HPARENT (k)]) >= ANHE_at (heap [k]))
937	upheap (heap, k);	947	upheap (heap, k);
938	else	948	else
939	downheap (heap, N, k);	949	downheap (heap, N, k);
940	}	950	}
941		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);
		962	}
		963
942	/*****************************************************************************/	964	/*****************************************************************************/
943		965
944	typedef struct	966	typedef struct
945	{	967	{
946	WL head;	968	WL head;
…		…
950	static ANSIG *signals;	972	static ANSIG *signals;
951	static int signalmax;	973	static int signalmax;
952		974
953	static EV_ATOMIC_T gotsig;	975	static EV_ATOMIC_T gotsig;
954		976
955	void inline_size
956	signals_init (ANSIG *base, int count)
957	{
958	while (count--)
959	{
960	base->head = 0;
961	base->gotsig = 0;
962
963	++base;
964	}
965	}
966
967	/*****************************************************************************/	977	/*****************************************************************************/
968		978
969	void inline_speed	979	void inline_speed
970	fd_intern (int fd)	980	fd_intern (int fd)
971	{	981	{
972	#ifdef _WIN32	982	#ifdef _WIN32
973	int arg = 1;	983	unsigned long arg = 1;
974	ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg);	984	ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg);
975	#else	985	#else
976	fcntl (fd, F_SETFD, FD_CLOEXEC);	986	fcntl (fd, F_SETFD, FD_CLOEXEC);
977	fcntl (fd, F_SETFL, O_NONBLOCK);	987	fcntl (fd, F_SETFL, O_NONBLOCK);
978	#endif	988	#endif
…		…
992	}	1002	}
993	else	1003	else
994	#endif	1004	#endif
995	{	1005	{
996	while (pipe (evpipe))	1006	while (pipe (evpipe))
997	syserr ("(libev) error creating signal/async pipe");	1007	ev_syserr ("(libev) error creating signal/async pipe");
998		1008
999	fd_intern (evpipe [0]);	1009	fd_intern (evpipe [0]);
1000	fd_intern (evpipe [1]);	1010	fd_intern (evpipe [1]);
1001	ev_io_set (&pipeev, evpipe [0], EV_READ);	1011	ev_io_set (&pipeev, evpipe [0], EV_READ);
1002	}	1012	}
…		…
1462		1472
1463	postfork = 0;	1473	postfork = 0;
1464	}	1474	}
1465		1475
1466	#if EV_MULTIPLICITY	1476	#if EV_MULTIPLICITY
		1477
1467	struct ev_loop *	1478	struct ev_loop *
1468	ev_loop_new (unsigned int flags)	1479	ev_loop_new (unsigned int flags)
1469	{	1480	{
1470	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));
1471		1482
…		…
1489	void	1500	void
1490	ev_loop_fork (EV_P)	1501	ev_loop_fork (EV_P)
1491	{	1502	{
1492	postfork = 1; /* must be in line with ev_default_fork */	1503	postfork = 1; /* must be in line with ev_default_fork */
1493	}	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)
1494	#endif	1601	# endif
		1602	#endif
		1603	}
		1604
		1605	#endif /* multiplicity */
1495		1606
1496	#if EV_MULTIPLICITY	1607	#if EV_MULTIPLICITY
1497	struct ev_loop *	1608	struct ev_loop *
1498	ev_default_loop_init (unsigned int flags)	1609	ev_default_loop_init (unsigned int flags)
1499	#else	1610	#else
…		…
1532	{	1643	{
1533	#if EV_MULTIPLICITY	1644	#if EV_MULTIPLICITY
1534	struct ev_loop *loop = ev_default_loop_ptr;	1645	struct ev_loop *loop = ev_default_loop_ptr;
1535	#endif	1646	#endif
1536		1647
		1648	ev_default_loop_ptr = 0;
		1649
1537	#ifndef _WIN32	1650	#ifndef _WIN32
1538	ev_ref (EV_A); /* child watcher */	1651	ev_ref (EV_A); /* child watcher */
1539	ev_signal_stop (EV_A_ &childev);	1652	ev_signal_stop (EV_A_ &childev);
1540	#endif	1653	#endif
1541		1654
…		…
1547	{	1660	{
1548	#if EV_MULTIPLICITY	1661	#if EV_MULTIPLICITY
1549	struct ev_loop *loop = ev_default_loop_ptr;	1662	struct ev_loop *loop = ev_default_loop_ptr;
1550	#endif	1663	#endif
1551		1664
1552	if (backend)
1553	postfork = 1; /* must be in line with ev_loop_fork */	1665	postfork = 1; /* must be in line with ev_loop_fork */
1554	}	1666	}
1555		1667
1556	/*****************************************************************************/	1668	/*****************************************************************************/
1557		1669
1558	void	1670	void
…		…
1575	{	1687	{
1576	/*assert (("non-pending watcher on pending list", p->w->pending));*/	1688	/*assert (("non-pending watcher on pending list", p->w->pending));*/
1577		1689
1578	p->w->pending = 0;	1690	p->w->pending = 0;
1579	EV_CB_INVOKE (p->w, p->events);	1691	EV_CB_INVOKE (p->w, p->events);
		1692	EV_FREQUENT_CHECK;
1580	}	1693	}
1581	}	1694	}
1582	}	1695	}
1583		1696
1584	#if EV_IDLE_ENABLE	1697	#if EV_IDLE_ENABLE
…		…
1605	#endif	1718	#endif
1606		1719
1607	void inline_size	1720	void inline_size
1608	timers_reify (EV_P)	1721	timers_reify (EV_P)
1609	{	1722	{
		1723	EV_FREQUENT_CHECK;
		1724
1610	while (timercnt && ANHE_at (timers [HEAP0]) < mn_now)	1725	while (timercnt && ANHE_at (timers [HEAP0]) < mn_now)
1611	{	1726	{
1612	ev_timer *w = (ev_timer *)ANHE_w (timers [HEAP0]);	1727	ev_timer *w = (ev_timer *)ANHE_w (timers [HEAP0]);
1613		1728
1614	/*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/	1729	/*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/
…		…
1620	if (ev_at (w) < mn_now)	1735	if (ev_at (w) < mn_now)
1621	ev_at (w) = mn_now;	1736	ev_at (w) = mn_now;
1622		1737
1623	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.));
1624		1739
1625	ANHE_at_set (timers [HEAP0]);	1740	ANHE_at_cache (timers [HEAP0]);
1626	downheap (timers, timercnt, HEAP0);	1741	downheap (timers, timercnt, HEAP0);
1627	}	1742	}
1628	else	1743	else
1629	ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */	1744	ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */
1630		1745
		1746	EV_FREQUENT_CHECK;
1631	ev_feed_event (EV_A_ (W)w, EV_TIMEOUT);	1747	ev_feed_event (EV_A_ (W)w, EV_TIMEOUT);
1632	}	1748	}
1633	}	1749	}
1634		1750
1635	#if EV_PERIODIC_ENABLE	1751	#if EV_PERIODIC_ENABLE
1636	void inline_size	1752	void inline_size
1637	periodics_reify (EV_P)	1753	periodics_reify (EV_P)
1638	{	1754	{
		1755	EV_FREQUENT_CHECK;
		1756
1639	while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)	1757	while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)
1640	{	1758	{
1641	ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]);	1759	ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]);
1642		1760
1643	/*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/	1761	/*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/
…		…
1647	{	1765	{
1648	ev_at (w) = w->reschedule_cb (w, ev_rt_now);	1766	ev_at (w) = w->reschedule_cb (w, ev_rt_now);
1649		1767
1650	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));
1651		1769
1652	ANHE_at_set (periodics [HEAP0]);	1770	ANHE_at_cache (periodics [HEAP0]);
1653	downheap (periodics, periodiccnt, HEAP0);	1771	downheap (periodics, periodiccnt, HEAP0);
1654	}	1772	}
1655	else if (w->interval)	1773	else if (w->interval)
1656	{	1774	{
1657	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;
…		…
1666	/* has effectively asked to get triggered more often than possible */	1784	/* has effectively asked to get triggered more often than possible */
1667	if (ev_at (w) < ev_rt_now)	1785	if (ev_at (w) < ev_rt_now)
1668	ev_at (w) = ev_rt_now;	1786	ev_at (w) = ev_rt_now;
1669	}	1787	}
1670		1788
1671	ANHE_at_set (periodics [HEAP0]);	1789	ANHE_at_cache (periodics [HEAP0]);
1672	downheap (periodics, periodiccnt, HEAP0);	1790	downheap (periodics, periodiccnt, HEAP0);
1673	}	1791	}
1674	else	1792	else
1675	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */	1793	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */
1676		1794
		1795	EV_FREQUENT_CHECK;
1677	ev_feed_event (EV_A_ (W)w, EV_PERIODIC);	1796	ev_feed_event (EV_A_ (W)w, EV_PERIODIC);
1678	}	1797	}
1679	}	1798	}
1680		1799
1681	static void noinline	1800	static void noinline
…		…
1691	if (w->reschedule_cb)	1810	if (w->reschedule_cb)
1692	ev_at (w) = w->reschedule_cb (w, ev_rt_now);	1811	ev_at (w) = w->reschedule_cb (w, ev_rt_now);
1693	else if (w->interval)	1812	else if (w->interval)
1694	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;
1695		1814
1696	ANHE_at_set (periodics [i]);	1815	ANHE_at_cache (periodics [i]);
1697	}	1816	}
1698		1817
1699	/* we don't use floyds algorithm, uphead is simpler and is more cache-efficient */	1818	reheap (periodics, periodiccnt);
1700	/* also, this is easy and corretc for both 2-heaps and 4-heaps */
1701	for (i = 0; i < periodiccnt; ++i)
1702	upheap (periodics, i + HEAP0);
1703	}	1819	}
1704	#endif	1820	#endif
1705		1821
1706	void inline_speed	1822	void inline_speed
1707	time_update (EV_P_ ev_tstamp max_block)	1823	time_update (EV_P_ ev_tstamp max_block)
…		…
1765	/* 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 */
1766	for (i = 0; i < timercnt; ++i)	1882	for (i = 0; i < timercnt; ++i)
1767	{	1883	{
1768	ANHE *he = timers + i + HEAP0;	1884	ANHE *he = timers + i + HEAP0;
1769	ANHE_w (*he)->at += ev_rt_now - mn_now;	1885	ANHE_w (*he)->at += ev_rt_now - mn_now;
1770	ANHE_at_set (*he);	1886	ANHE_at_cache (*he);
1771	}	1887	}
1772	}	1888	}
1773		1889
1774	mn_now = ev_rt_now;	1890	mn_now = ev_rt_now;
1775	}	1891	}
…		…
1785	ev_unref (EV_P)	1901	ev_unref (EV_P)
1786	{	1902	{
1787	--activecnt;	1903	--activecnt;
1788	}	1904	}
1789		1905
		1906	void
		1907	ev_now_update (EV_P)
		1908	{
		1909	time_update (EV_A_ 1e100);
		1910	}
		1911
1790	static int loop_done;	1912	static int loop_done;
1791		1913
1792	void	1914	void
1793	ev_loop (EV_P_ int flags)	1915	ev_loop (EV_P_ int flags)
1794	{	1916	{
…		…
1796		1918
1797	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 */
1798		1920
1799	do	1921	do
1800	{	1922	{
		1923	#if EV_VERIFY >= 2
		1924	ev_loop_verify (EV_A);
		1925	#endif
		1926
1801	#ifndef _WIN32	1927	#ifndef _WIN32
1802	if (expect_false (curpid)) /* penalise the forking check even more */	1928	if (expect_false (curpid)) /* penalise the forking check even more */
1803	if (expect_false (getpid () != curpid))	1929	if (expect_false (getpid () != curpid))
1804	{	1930	{
1805	curpid = getpid ();	1931	curpid = getpid ();
…		…
1999		2125
2000	if (expect_false (ev_is_active (w)))	2126	if (expect_false (ev_is_active (w)))
2001	return;	2127	return;
2002		2128
2003	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;
2004		2133
2005	ev_start (EV_A_ (W)w, 1);	2134	ev_start (EV_A_ (W)w, 1);
2006	array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init);	2135	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);
2007	wlist_add (&anfds[fd].head, (WL)w);	2136	wlist_add (&anfds[fd].head, (WL)w);
2008		2137
2009	fd_change (EV_A_ fd, w->events & EV_IOFDSET | 1);	2138	fd_change (EV_A_ fd, w->events & EV_IOFDSET | 1);
2010	w->events &= ~EV_IOFDSET;	2139	w->events &= ~EV_IOFDSET;
		2140
		2141	EV_FREQUENT_CHECK;
2011	}	2142	}
2012		2143
2013	void noinline	2144	void noinline
2014	ev_io_stop (EV_P_ ev_io *w)	2145	ev_io_stop (EV_P_ ev_io *w)
2015	{	2146	{
…		…
2017	if (expect_false (!ev_is_active (w)))	2148	if (expect_false (!ev_is_active (w)))
2018	return;	2149	return;
2019		2150
2020	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));
2021		2152
		2153	EV_FREQUENT_CHECK;
		2154
2022	wlist_del (&anfds[w->fd].head, (WL)w);	2155	wlist_del (&anfds[w->fd].head, (WL)w);
2023	ev_stop (EV_A_ (W)w);	2156	ev_stop (EV_A_ (W)w);
2024		2157
2025	fd_change (EV_A_ w->fd, 1);	2158	fd_change (EV_A_ w->fd, 1);
		2159
		2160	EV_FREQUENT_CHECK;
2026	}	2161	}
2027		2162
2028	void noinline	2163	void noinline
2029	ev_timer_start (EV_P_ ev_timer *w)	2164	ev_timer_start (EV_P_ ev_timer *w)
2030	{	2165	{
…		…
2033		2168
2034	ev_at (w) += mn_now;	2169	ev_at (w) += mn_now;
2035		2170
2036	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.));
2037		2172
		2173	EV_FREQUENT_CHECK;
		2174
		2175	++timercnt;
2038	ev_start (EV_A_ (W)w, ++timercnt + HEAP0 - 1);	2176	ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1);
2039	array_needsize (ANHE, timers, timermax, ev_active (w) + 1, EMPTY2);	2177	array_needsize (ANHE, timers, timermax, ev_active (w) + 1, EMPTY2);
2040	ANHE_w (timers [ev_active (w)]) = (WT)w;	2178	ANHE_w (timers [ev_active (w)]) = (WT)w;
2041	ANHE_at_set (timers [ev_active (w)]);	2179	ANHE_at_cache (timers [ev_active (w)]);
2042	upheap (timers, ev_active (w));	2180	upheap (timers, ev_active (w));
		2181
		2182	EV_FREQUENT_CHECK;
2043		2183
2044	/*assert (("internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/	2184	/*assert (("internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
2045	}	2185	}
2046		2186
2047	void noinline	2187	void noinline
…		…
2049	{	2189	{
2050	clear_pending (EV_A_ (W)w);	2190	clear_pending (EV_A_ (W)w);
2051	if (expect_false (!ev_is_active (w)))	2191	if (expect_false (!ev_is_active (w)))
2052	return;	2192	return;
2053		2193
		2194	EV_FREQUENT_CHECK;
		2195
2054	{	2196	{
2055	int active = ev_active (w);	2197	int active = ev_active (w);
2056		2198
2057	assert (("internal timer heap corruption", ANHE_w (timers [active]) == (WT)w));	2199	assert (("internal timer heap corruption", ANHE_w (timers [active]) == (WT)w));
2058		2200
		2201	--timercnt;
		2202
2059	if (expect_true (active < timercnt + HEAP0 - 1))	2203	if (expect_true (active < timercnt + HEAP0))
2060	{	2204	{
2061	timers [active] = timers [timercnt + HEAP0 - 1];	2205	timers [active] = timers [timercnt + HEAP0];
2062	adjustheap (timers, timercnt, active);	2206	adjustheap (timers, timercnt, active);
2063	}	2207	}
2064
2065	--timercnt;
2066	}	2208	}
		2209
		2210	EV_FREQUENT_CHECK;
2067		2211
2068	ev_at (w) -= mn_now;	2212	ev_at (w) -= mn_now;
2069		2213
2070	ev_stop (EV_A_ (W)w);	2214	ev_stop (EV_A_ (W)w);
2071	}	2215	}
2072		2216
2073	void noinline	2217	void noinline
2074	ev_timer_again (EV_P_ ev_timer *w)	2218	ev_timer_again (EV_P_ ev_timer *w)
2075	{	2219	{
		2220	EV_FREQUENT_CHECK;
		2221
2076	if (ev_is_active (w))	2222	if (ev_is_active (w))
2077	{	2223	{
2078	if (w->repeat)	2224	if (w->repeat)
2079	{	2225	{
2080	ev_at (w) = mn_now + w->repeat;	2226	ev_at (w) = mn_now + w->repeat;
2081	ANHE_at_set (timers [ev_active (w)]);	2227	ANHE_at_cache (timers [ev_active (w)]);
2082	adjustheap (timers, timercnt, ev_active (w));	2228	adjustheap (timers, timercnt, ev_active (w));
2083	}	2229	}
2084	else	2230	else
2085	ev_timer_stop (EV_A_ w);	2231	ev_timer_stop (EV_A_ w);
2086	}	2232	}
2087	else if (w->repeat)	2233	else if (w->repeat)
2088	{	2234	{
2089	ev_at (w) = w->repeat;	2235	ev_at (w) = w->repeat;
2090	ev_timer_start (EV_A_ w);	2236	ev_timer_start (EV_A_ w);
2091	}	2237	}
		2238
		2239	EV_FREQUENT_CHECK;
2092	}	2240	}
2093		2241
2094	#if EV_PERIODIC_ENABLE	2242	#if EV_PERIODIC_ENABLE
2095	void noinline	2243	void noinline
2096	ev_periodic_start (EV_P_ ev_periodic *w)	2244	ev_periodic_start (EV_P_ ev_periodic *w)
…		…
2107	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;
2108	}	2256	}
2109	else	2257	else
2110	ev_at (w) = w->offset;	2258	ev_at (w) = w->offset;
2111		2259
		2260	EV_FREQUENT_CHECK;
		2261
		2262	++periodiccnt;
2112	ev_start (EV_A_ (W)w, ++periodiccnt + HEAP0 - 1);	2263	ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1);
2113	array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, EMPTY2);	2264	array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, EMPTY2);
2114	ANHE_w (periodics [ev_active (w)]) = (WT)w;	2265	ANHE_w (periodics [ev_active (w)]) = (WT)w;
2115	ANHE_at_set (periodics [ev_active (w)]);	2266	ANHE_at_cache (periodics [ev_active (w)]);
2116	upheap (periodics, ev_active (w));	2267	upheap (periodics, ev_active (w));
		2268
		2269	EV_FREQUENT_CHECK;
2117		2270
2118	/*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));*/
2119	}	2272	}
2120		2273
2121	void noinline	2274	void noinline
…		…
2123	{	2276	{
2124	clear_pending (EV_A_ (W)w);	2277	clear_pending (EV_A_ (W)w);
2125	if (expect_false (!ev_is_active (w)))	2278	if (expect_false (!ev_is_active (w)))
2126	return;	2279	return;
2127		2280
		2281	EV_FREQUENT_CHECK;
		2282
2128	{	2283	{
2129	int active = ev_active (w);	2284	int active = ev_active (w);
2130		2285
2131	assert (("internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w));	2286	assert (("internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w));
2132		2287
		2288	--periodiccnt;
		2289
2133	if (expect_true (active < periodiccnt + HEAP0 - 1))	2290	if (expect_true (active < periodiccnt + HEAP0))
2134	{	2291	{
2135	periodics [active] = periodics [periodiccnt + HEAP0 - 1];	2292	periodics [active] = periodics [periodiccnt + HEAP0];
2136	adjustheap (periodics, periodiccnt, active);	2293	adjustheap (periodics, periodiccnt, active);
2137	}	2294	}
2138
2139	--periodiccnt;
2140	}	2295	}
		2296
		2297	EV_FREQUENT_CHECK;
2141		2298
2142	ev_stop (EV_A_ (W)w);	2299	ev_stop (EV_A_ (W)w);
2143	}	2300	}
2144		2301
2145	void noinline	2302	void noinline
…		…
2165	return;	2322	return;
2166		2323
2167	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));
2168		2325
2169	evpipe_init (EV_A);	2326	evpipe_init (EV_A);
		2327
		2328	EV_FREQUENT_CHECK;
2170		2329
2171	{	2330	{
2172	#ifndef _WIN32	2331	#ifndef _WIN32
2173	sigset_t full, prev;	2332	sigset_t full, prev;
2174	sigfillset (&full);	2333	sigfillset (&full);
2175	sigprocmask (SIG_SETMASK, &full, &prev);	2334	sigprocmask (SIG_SETMASK, &full, &prev);
2176	#endif	2335	#endif
2177		2336
2178	array_needsize (ANSIG, signals, signalmax, w->signum, signals_init);	2337	array_needsize (ANSIG, signals, signalmax, w->signum, array_init_zero);
2179		2338
2180	#ifndef _WIN32	2339	#ifndef _WIN32
2181	sigprocmask (SIG_SETMASK, &prev, 0);	2340	sigprocmask (SIG_SETMASK, &prev, 0);
2182	#endif	2341	#endif
2183	}	2342	}
…		…
2195	sigfillset (&sa.sa_mask);	2354	sigfillset (&sa.sa_mask);
2196	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 */
2197	sigaction (w->signum, &sa, 0);	2356	sigaction (w->signum, &sa, 0);
2198	#endif	2357	#endif
2199	}	2358	}
		2359
		2360	EV_FREQUENT_CHECK;
2200	}	2361	}
2201		2362
2202	void noinline	2363	void noinline
2203	ev_signal_stop (EV_P_ ev_signal *w)	2364	ev_signal_stop (EV_P_ ev_signal *w)
2204	{	2365	{
2205	clear_pending (EV_A_ (W)w);	2366	clear_pending (EV_A_ (W)w);
2206	if (expect_false (!ev_is_active (w)))	2367	if (expect_false (!ev_is_active (w)))
2207	return;	2368	return;
2208		2369
		2370	EV_FREQUENT_CHECK;
		2371
2209	wlist_del (&signals [w->signum - 1].head, (WL)w);	2372	wlist_del (&signals [w->signum - 1].head, (WL)w);
2210	ev_stop (EV_A_ (W)w);	2373	ev_stop (EV_A_ (W)w);
2211		2374
2212	if (!signals [w->signum - 1].head)	2375	if (!signals [w->signum - 1].head)
2213	signal (w->signum, SIG_DFL);	2376	signal (w->signum, SIG_DFL);
		2377
		2378	EV_FREQUENT_CHECK;
2214	}	2379	}
2215		2380
2216	void	2381	void
2217	ev_child_start (EV_P_ ev_child *w)	2382	ev_child_start (EV_P_ ev_child *w)
2218	{	2383	{
…		…
2220	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));
2221	#endif	2386	#endif
2222	if (expect_false (ev_is_active (w)))	2387	if (expect_false (ev_is_active (w)))
2223	return;	2388	return;
2224		2389
		2390	EV_FREQUENT_CHECK;
		2391
2225	ev_start (EV_A_ (W)w, 1);	2392	ev_start (EV_A_ (W)w, 1);
2226	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;
2227	}	2396	}
2228		2397
2229	void	2398	void
2230	ev_child_stop (EV_P_ ev_child *w)	2399	ev_child_stop (EV_P_ ev_child *w)
2231	{	2400	{
2232	clear_pending (EV_A_ (W)w);	2401	clear_pending (EV_A_ (W)w);
2233	if (expect_false (!ev_is_active (w)))	2402	if (expect_false (!ev_is_active (w)))
2234	return;	2403	return;
2235		2404
		2405	EV_FREQUENT_CHECK;
		2406
2236	wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);	2407	wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);
2237	ev_stop (EV_A_ (W)w);	2408	ev_stop (EV_A_ (W)w);
		2409
		2410	EV_FREQUENT_CHECK;
2238	}	2411	}
2239		2412
2240	#if EV_STAT_ENABLE	2413	#if EV_STAT_ENABLE
2241		2414
2242	# ifdef _WIN32	2415	# ifdef _WIN32
2243	# undef lstat	2416	# undef lstat
2244	# define lstat(a,b) _stati64 (a,b)	2417	# define lstat(a,b) _stati64 (a,b)
2245	# endif	2418	# endif
2246		2419
2247	#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 */
2248	#define MIN_STAT_INTERVAL 0.1074891	2422	#define MIN_STAT_INTERVAL 0.1074891
2249		2423
2250	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);
2251		2425
2252	#if EV_USE_INOTIFY	2426	#if EV_USE_INOTIFY
2253	# define EV_INOTIFY_BUFSIZE 8192	2427	# define EV_INOTIFY_BUFSIZE 8192
…		…
2257	{	2431	{
2258	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);
2259		2433
2260	if (w->wd < 0)	2434	if (w->wd < 0)
2261	{	2435	{
		2436	w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;
2262	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 */
2263		2438
2264	/* monitor some parent directory for speedup hints */	2439	/* monitor some parent directory for speedup hints */
2265	/* note that exceeding the hardcoded limit is not a correctness issue, */	2440	/* note that exceeding the hardcoded path limit is not a correctness issue, */
2266	/* but an efficiency issue only */	2441	/* but an efficiency issue only */
2267	if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096)	2442	if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096)
2268	{	2443	{
2269	char path [4096];	2444	char path [4096];
2270	strcpy (path, w->path);	2445	strcpy (path, w->path);
…		…
2284	}	2459	}
2285	while (w->wd < 0 && (errno == ENOENT || errno == EACCES));	2460	while (w->wd < 0 && (errno == ENOENT || errno == EACCES));
2286	}	2461	}
2287	}	2462	}
2288	else	2463	else
2289	ev_timer_stop (EV_A_ &w->timer); /* we can watch this in a race-free way */	2464	{
2290
2291	if (w->wd >= 0)
2292	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	}
2293	}	2484	}
2294		2485
2295	static void noinline	2486	static void noinline
2296	infy_del (EV_P_ ev_stat *w)	2487	infy_del (EV_P_ ev_stat *w)
2297	{	2488	{
…		…
2311		2502
2312	static void noinline	2503	static void noinline
2313	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)
2314	{	2505	{
2315	if (slot < 0)	2506	if (slot < 0)
2316	/* overflow, need to check for all hahs slots */	2507	/* overflow, need to check for all hash slots */
2317	for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot)	2508	for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot)
2318	infy_wd (EV_A_ slot, wd, ev);	2509	infy_wd (EV_A_ slot, wd, ev);
2319	else	2510	else
2320	{	2511	{
2321	WL w_;	2512	WL w_;
…		…
2350	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)
2351	infy_wd (EV_A_ ev->wd, ev->wd, ev);	2542	infy_wd (EV_A_ ev->wd, ev->wd, ev);
2352	}	2543	}
2353		2544
2354	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
2355	infy_init (EV_P)	2569	infy_init (EV_P)
2356	{	2570	{
2357	if (fs_fd != -2)	2571	if (fs_fd != -2)
2358	return;	2572	return;
		2573
		2574	fs_fd = -1;
		2575
		2576	check_2625 (EV_A);
2359		2577
2360	fs_fd = inotify_init ();	2578	fs_fd = inotify_init ();
2361		2579
2362	if (fs_fd >= 0)	2580	if (fs_fd >= 0)
2363	{	2581	{
…		…
2391	w->wd = -1;	2609	w->wd = -1;
2392		2610
2393	if (fs_fd >= 0)	2611	if (fs_fd >= 0)
2394	infy_add (EV_A_ w); /* re-add, no matter what */	2612	infy_add (EV_A_ w); /* re-add, no matter what */
2395	else	2613	else
2396	ev_timer_start (EV_A_ &w->timer);	2614	ev_timer_again (EV_A_ &w->timer);
2397	}	2615	}
2398
2399	}	2616	}
2400	}	2617	}
2401		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)
2402	#endif	2625	#endif
2403		2626
2404	void	2627	void
2405	ev_stat_stat (EV_P_ ev_stat *w)	2628	ev_stat_stat (EV_P_ ev_stat *w)
2406	{	2629	{
…		…
2433	|| w->prev.st_atime != w->attr.st_atime	2656	|| w->prev.st_atime != w->attr.st_atime
2434	|| w->prev.st_mtime != w->attr.st_mtime	2657	|| w->prev.st_mtime != w->attr.st_mtime
2435	|| w->prev.st_ctime != w->attr.st_ctime	2658	|| w->prev.st_ctime != w->attr.st_ctime
2436	) {	2659	) {
2437	#if EV_USE_INOTIFY	2660	#if EV_USE_INOTIFY
		2661	if (fs_fd >= 0)
		2662	{
2438	infy_del (EV_A_ w);	2663	infy_del (EV_A_ w);
2439	infy_add (EV_A_ w);	2664	infy_add (EV_A_ w);
2440	ev_stat_stat (EV_A_ w); /* avoid race... */	2665	ev_stat_stat (EV_A_ w); /* avoid race... */
		2666	}
2441	#endif	2667	#endif
2442		2668
2443	ev_feed_event (EV_A_ w, EV_STAT);	2669	ev_feed_event (EV_A_ w, EV_STAT);
2444	}	2670	}
2445	}	2671	}
…		…
2448	ev_stat_start (EV_P_ ev_stat *w)	2674	ev_stat_start (EV_P_ ev_stat *w)
2449	{	2675	{
2450	if (expect_false (ev_is_active (w)))	2676	if (expect_false (ev_is_active (w)))
2451	return;	2677	return;
2452		2678
2453	/* since we use memcmp, we need to clear any padding data etc. */
2454	memset (&w->prev, 0, sizeof (ev_statdata));
2455	memset (&w->attr, 0, sizeof (ev_statdata));
2456
2457	ev_stat_stat (EV_A_ w);	2679	ev_stat_stat (EV_A_ w);
2458		2680
		2681	if (w->interval < MIN_STAT_INTERVAL && w->interval)
2459	if (w->interval < MIN_STAT_INTERVAL)	2682	w->interval = MIN_STAT_INTERVAL;
2460	w->interval = w->interval ? MIN_STAT_INTERVAL : DEF_STAT_INTERVAL;
2461		2683
2462	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);
2463	ev_set_priority (&w->timer, ev_priority (w));	2685	ev_set_priority (&w->timer, ev_priority (w));
2464		2686
2465	#if EV_USE_INOTIFY	2687	#if EV_USE_INOTIFY
2466	infy_init (EV_A);	2688	infy_init (EV_A);
2467		2689
2468	if (fs_fd >= 0)	2690	if (fs_fd >= 0)
2469	infy_add (EV_A_ w);	2691	infy_add (EV_A_ w);
2470	else	2692	else
2471	#endif	2693	#endif
2472	ev_timer_start (EV_A_ &w->timer);	2694	ev_timer_again (EV_A_ &w->timer);
2473		2695
2474	ev_start (EV_A_ (W)w, 1);	2696	ev_start (EV_A_ (W)w, 1);
		2697
		2698	EV_FREQUENT_CHECK;
2475	}	2699	}
2476		2700
2477	void	2701	void
2478	ev_stat_stop (EV_P_ ev_stat *w)	2702	ev_stat_stop (EV_P_ ev_stat *w)
2479	{	2703	{
2480	clear_pending (EV_A_ (W)w);	2704	clear_pending (EV_A_ (W)w);
2481	if (expect_false (!ev_is_active (w)))	2705	if (expect_false (!ev_is_active (w)))
2482	return;	2706	return;
2483		2707
		2708	EV_FREQUENT_CHECK;
		2709
2484	#if EV_USE_INOTIFY	2710	#if EV_USE_INOTIFY
2485	infy_del (EV_A_ w);	2711	infy_del (EV_A_ w);
2486	#endif	2712	#endif
2487	ev_timer_stop (EV_A_ &w->timer);	2713	ev_timer_stop (EV_A_ &w->timer);
2488		2714
2489	ev_stop (EV_A_ (W)w);	2715	ev_stop (EV_A_ (W)w);
		2716
		2717	EV_FREQUENT_CHECK;
2490	}	2718	}
2491	#endif	2719	#endif
2492		2720
2493	#if EV_IDLE_ENABLE	2721	#if EV_IDLE_ENABLE
2494	void	2722	void
…		…
2496	{	2724	{
2497	if (expect_false (ev_is_active (w)))	2725	if (expect_false (ev_is_active (w)))
2498	return;	2726	return;
2499		2727
2500	pri_adjust (EV_A_ (W)w);	2728	pri_adjust (EV_A_ (W)w);
		2729
		2730	EV_FREQUENT_CHECK;
2501		2731
2502	{	2732	{
2503	int active = ++idlecnt [ABSPRI (w)];	2733	int active = ++idlecnt [ABSPRI (w)];
2504		2734
2505	++idleall;	2735	++idleall;
2506	ev_start (EV_A_ (W)w, active);	2736	ev_start (EV_A_ (W)w, active);
2507		2737
2508	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);
2509	idles [ABSPRI (w)][active - 1] = w;	2739	idles [ABSPRI (w)][active - 1] = w;
2510	}	2740	}
		2741
		2742	EV_FREQUENT_CHECK;
2511	}	2743	}
2512		2744
2513	void	2745	void
2514	ev_idle_stop (EV_P_ ev_idle *w)	2746	ev_idle_stop (EV_P_ ev_idle *w)
2515	{	2747	{
2516	clear_pending (EV_A_ (W)w);	2748	clear_pending (EV_A_ (W)w);
2517	if (expect_false (!ev_is_active (w)))	2749	if (expect_false (!ev_is_active (w)))
2518	return;	2750	return;
2519		2751
		2752	EV_FREQUENT_CHECK;
		2753
2520	{	2754	{
2521	int active = ev_active (w);	2755	int active = ev_active (w);
2522		2756
2523	idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]];	2757	idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]];
2524	ev_active (idles [ABSPRI (w)][active - 1]) = active;	2758	ev_active (idles [ABSPRI (w)][active - 1]) = active;
2525		2759
2526	ev_stop (EV_A_ (W)w);	2760	ev_stop (EV_A_ (W)w);
2527	--idleall;	2761	--idleall;
2528	}	2762	}
		2763
		2764	EV_FREQUENT_CHECK;
2529	}	2765	}
2530	#endif	2766	#endif
2531		2767
2532	void	2768	void
2533	ev_prepare_start (EV_P_ ev_prepare *w)	2769	ev_prepare_start (EV_P_ ev_prepare *w)
2534	{	2770	{
2535	if (expect_false (ev_is_active (w)))	2771	if (expect_false (ev_is_active (w)))
2536	return;	2772	return;
		2773
		2774	EV_FREQUENT_CHECK;
2537		2775
2538	ev_start (EV_A_ (W)w, ++preparecnt);	2776	ev_start (EV_A_ (W)w, ++preparecnt);
2539	array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2);	2777	array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2);
2540	prepares [preparecnt - 1] = w;	2778	prepares [preparecnt - 1] = w;
		2779
		2780	EV_FREQUENT_CHECK;
2541	}	2781	}
2542		2782
2543	void	2783	void
2544	ev_prepare_stop (EV_P_ ev_prepare *w)	2784	ev_prepare_stop (EV_P_ ev_prepare *w)
2545	{	2785	{
2546	clear_pending (EV_A_ (W)w);	2786	clear_pending (EV_A_ (W)w);
2547	if (expect_false (!ev_is_active (w)))	2787	if (expect_false (!ev_is_active (w)))
2548	return;	2788	return;
2549		2789
		2790	EV_FREQUENT_CHECK;
		2791
2550	{	2792	{
2551	int active = ev_active (w);	2793	int active = ev_active (w);
2552		2794
2553	prepares [active - 1] = prepares [--preparecnt];	2795	prepares [active - 1] = prepares [--preparecnt];
2554	ev_active (prepares [active - 1]) = active;	2796	ev_active (prepares [active - 1]) = active;
2555	}	2797	}
2556		2798
2557	ev_stop (EV_A_ (W)w);	2799	ev_stop (EV_A_ (W)w);
		2800
		2801	EV_FREQUENT_CHECK;
2558	}	2802	}
2559		2803
2560	void	2804	void
2561	ev_check_start (EV_P_ ev_check *w)	2805	ev_check_start (EV_P_ ev_check *w)
2562	{	2806	{
2563	if (expect_false (ev_is_active (w)))	2807	if (expect_false (ev_is_active (w)))
2564	return;	2808	return;
		2809
		2810	EV_FREQUENT_CHECK;
2565		2811
2566	ev_start (EV_A_ (W)w, ++checkcnt);	2812	ev_start (EV_A_ (W)w, ++checkcnt);
2567	array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2);	2813	array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2);
2568	checks [checkcnt - 1] = w;	2814	checks [checkcnt - 1] = w;
		2815
		2816	EV_FREQUENT_CHECK;
2569	}	2817	}
2570		2818
2571	void	2819	void
2572	ev_check_stop (EV_P_ ev_check *w)	2820	ev_check_stop (EV_P_ ev_check *w)
2573	{	2821	{
2574	clear_pending (EV_A_ (W)w);	2822	clear_pending (EV_A_ (W)w);
2575	if (expect_false (!ev_is_active (w)))	2823	if (expect_false (!ev_is_active (w)))
2576	return;	2824	return;
2577		2825
		2826	EV_FREQUENT_CHECK;
		2827
2578	{	2828	{
2579	int active = ev_active (w);	2829	int active = ev_active (w);
2580		2830
2581	checks [active - 1] = checks [--checkcnt];	2831	checks [active - 1] = checks [--checkcnt];
2582	ev_active (checks [active - 1]) = active;	2832	ev_active (checks [active - 1]) = active;
2583	}	2833	}
2584		2834
2585	ev_stop (EV_A_ (W)w);	2835	ev_stop (EV_A_ (W)w);
		2836
		2837	EV_FREQUENT_CHECK;
2586	}	2838	}
2587		2839
2588	#if EV_EMBED_ENABLE	2840	#if EV_EMBED_ENABLE
2589	void noinline	2841	void noinline
2590	ev_embed_sweep (EV_P_ ev_embed *w)	2842	ev_embed_sweep (EV_P_ ev_embed *w)
…		…
2617	ev_loop (EV_A_ EVLOOP_NONBLOCK);	2869	ev_loop (EV_A_ EVLOOP_NONBLOCK);
2618	}	2870	}
2619	}	2871	}
2620	}	2872	}
2621		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
2622	#if 0	2886	#if 0
2623	static void	2887	static void
2624	embed_idle_cb (EV_P_ ev_idle *idle, int revents)	2888	embed_idle_cb (EV_P_ ev_idle *idle, int revents)
2625	{	2889	{
2626	ev_idle_stop (EV_A_ idle);	2890	ev_idle_stop (EV_A_ idle);
…		…
2637	struct ev_loop *loop = w->other;	2901	struct ev_loop *loop = w->other;
2638	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 ()));
2639	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);
2640	}	2904	}
2641		2905
		2906	EV_FREQUENT_CHECK;
		2907
2642	ev_set_priority (&w->io, ev_priority (w));	2908	ev_set_priority (&w->io, ev_priority (w));
2643	ev_io_start (EV_A_ &w->io);	2909	ev_io_start (EV_A_ &w->io);
2644		2910
2645	ev_prepare_init (&w->prepare, embed_prepare_cb);	2911	ev_prepare_init (&w->prepare, embed_prepare_cb);
2646	ev_set_priority (&w->prepare, EV_MINPRI);	2912	ev_set_priority (&w->prepare, EV_MINPRI);
2647	ev_prepare_start (EV_A_ &w->prepare);	2913	ev_prepare_start (EV_A_ &w->prepare);
2648		2914
		2915	ev_fork_init (&w->fork, embed_fork_cb);
		2916	ev_fork_start (EV_A_ &w->fork);
		2917
2649	/*ev_idle_init (&w->idle, e,bed_idle_cb);*/	2918	/*ev_idle_init (&w->idle, e,bed_idle_cb);*/
2650		2919
2651	ev_start (EV_A_ (W)w, 1);	2920	ev_start (EV_A_ (W)w, 1);
		2921
		2922	EV_FREQUENT_CHECK;
2652	}	2923	}
2653		2924
2654	void	2925	void
2655	ev_embed_stop (EV_P_ ev_embed *w)	2926	ev_embed_stop (EV_P_ ev_embed *w)
2656	{	2927	{
2657	clear_pending (EV_A_ (W)w);	2928	clear_pending (EV_A_ (W)w);
2658	if (expect_false (!ev_is_active (w)))	2929	if (expect_false (!ev_is_active (w)))
2659	return;	2930	return;
2660		2931
		2932	EV_FREQUENT_CHECK;
		2933
2661	ev_io_stop (EV_A_ &w->io);	2934	ev_io_stop (EV_A_ &w->io);
2662	ev_prepare_stop (EV_A_ &w->prepare);	2935	ev_prepare_stop (EV_A_ &w->prepare);
		2936	ev_fork_stop (EV_A_ &w->fork);
2663		2937
2664	ev_stop (EV_A_ (W)w);	2938	EV_FREQUENT_CHECK;
2665	}	2939	}
2666	#endif	2940	#endif
2667		2941
2668	#if EV_FORK_ENABLE	2942	#if EV_FORK_ENABLE
2669	void	2943	void
2670	ev_fork_start (EV_P_ ev_fork *w)	2944	ev_fork_start (EV_P_ ev_fork *w)
2671	{	2945	{
2672	if (expect_false (ev_is_active (w)))	2946	if (expect_false (ev_is_active (w)))
2673	return;	2947	return;
		2948
		2949	EV_FREQUENT_CHECK;
2674		2950
2675	ev_start (EV_A_ (W)w, ++forkcnt);	2951	ev_start (EV_A_ (W)w, ++forkcnt);
2676	array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2);	2952	array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2);
2677	forks [forkcnt - 1] = w;	2953	forks [forkcnt - 1] = w;
		2954
		2955	EV_FREQUENT_CHECK;
2678	}	2956	}
2679		2957
2680	void	2958	void
2681	ev_fork_stop (EV_P_ ev_fork *w)	2959	ev_fork_stop (EV_P_ ev_fork *w)
2682	{	2960	{
2683	clear_pending (EV_A_ (W)w);	2961	clear_pending (EV_A_ (W)w);
2684	if (expect_false (!ev_is_active (w)))	2962	if (expect_false (!ev_is_active (w)))
2685	return;	2963	return;
2686		2964
		2965	EV_FREQUENT_CHECK;
		2966
2687	{	2967	{
2688	int active = ev_active (w);	2968	int active = ev_active (w);
2689		2969
2690	forks [active - 1] = forks [--forkcnt];	2970	forks [active - 1] = forks [--forkcnt];
2691	ev_active (forks [active - 1]) = active;	2971	ev_active (forks [active - 1]) = active;
2692	}	2972	}
2693		2973
2694	ev_stop (EV_A_ (W)w);	2974	ev_stop (EV_A_ (W)w);
		2975
		2976	EV_FREQUENT_CHECK;
2695	}	2977	}
2696	#endif	2978	#endif
2697		2979
2698	#if EV_ASYNC_ENABLE	2980	#if EV_ASYNC_ENABLE
2699	void	2981	void
…		…
2701	{	2983	{
2702	if (expect_false (ev_is_active (w)))	2984	if (expect_false (ev_is_active (w)))
2703	return;	2985	return;
2704		2986
2705	evpipe_init (EV_A);	2987	evpipe_init (EV_A);
		2988
		2989	EV_FREQUENT_CHECK;
2706		2990
2707	ev_start (EV_A_ (W)w, ++asynccnt);	2991	ev_start (EV_A_ (W)w, ++asynccnt);
2708	array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2);	2992	array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2);
2709	asyncs [asynccnt - 1] = w;	2993	asyncs [asynccnt - 1] = w;
		2994
		2995	EV_FREQUENT_CHECK;
2710	}	2996	}
2711		2997
2712	void	2998	void
2713	ev_async_stop (EV_P_ ev_async *w)	2999	ev_async_stop (EV_P_ ev_async *w)
2714	{	3000	{
2715	clear_pending (EV_A_ (W)w);	3001	clear_pending (EV_A_ (W)w);
2716	if (expect_false (!ev_is_active (w)))	3002	if (expect_false (!ev_is_active (w)))
2717	return;	3003	return;
2718		3004
		3005	EV_FREQUENT_CHECK;
		3006
2719	{	3007	{
2720	int active = ev_active (w);	3008	int active = ev_active (w);
2721		3009
2722	asyncs [active - 1] = asyncs [--asynccnt];	3010	asyncs [active - 1] = asyncs [--asynccnt];
2723	ev_active (asyncs [active - 1]) = active;	3011	ev_active (asyncs [active - 1]) = active;
2724	}	3012	}
2725		3013
2726	ev_stop (EV_A_ (W)w);	3014	ev_stop (EV_A_ (W)w);
		3015
		3016	EV_FREQUENT_CHECK;
2727	}	3017	}
2728		3018
2729	void	3019	void
2730	ev_async_send (EV_P_ ev_async *w)	3020	ev_async_send (EV_P_ ev_async *w)
2731	{	3021	{
…		…
2748	once_cb (EV_P_ struct ev_once *once, int revents)	3038	once_cb (EV_P_ struct ev_once *once, int revents)
2749	{	3039	{
2750	void (*cb)(int revents, void *arg) = once->cb;	3040	void (*cb)(int revents, void *arg) = once->cb;
2751	void *arg = once->arg;	3041	void *arg = once->arg;
2752		3042
2753	ev_io_stop (EV_A_ &once->io);	3043	ev_io_stop (EV_A_ &once->io);
2754	ev_timer_stop (EV_A_ &once->to);	3044	ev_timer_stop (EV_A_ &once->to);
2755	ev_free (once);	3045	ev_free (once);
2756		3046
2757	cb (revents, arg);	3047	cb (revents, arg);
2758	}	3048	}
2759		3049
2760	static void	3050	static void
2761	once_cb_io (EV_P_ ev_io *w, int revents)	3051	once_cb_io (EV_P_ ev_io *w, int revents)
2762	{	3052	{
2763	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));
2764	}	3056	}
2765		3057
2766	static void	3058	static void
2767	once_cb_to (EV_P_ ev_timer *w, int revents)	3059	once_cb_to (EV_P_ ev_timer *w, int revents)
2768	{	3060	{
2769	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));
2770	}	3064	}
2771		3065
2772	void	3066	void
2773	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)
2774	{	3068	{

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