[ViewVC] Diff of: cvs/libev/ev.c

Comparing libev/ev.c (file contents):
Revision 1.245 by root, Wed May 21 00:26:01 2008 UTC vs.
Revision 1.259 by root, Mon Sep 8 13:14:23 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
…		…
233	# if __linux && (__GLIBC__ > 2 \|\| (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7))	242	# if __linux && (__GLIBC__ > 2 \|\| (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7))
234	# define EV_USE_EVENTFD 1	243	# define EV_USE_EVENTFD 1
235	# else	244	# else
236	# define EV_USE_EVENTFD 0	245	# define EV_USE_EVENTFD 0
237	# endif	246	# endif
		247	#endif
		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
238	#endif	257	#endif
239		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
…		…
287	}	306	}
288	# endif	307	# endif
289	#endif	308	#endif
290		309
291	/**/	310	/**/
		311
		312	#if EV_VERIFY >= 3
		313	# define EV_FREQUENT_CHECK ev_loop_verify (EV_A)
		314	#else
		315	# define EV_FREQUENT_CHECK do { } while (0)
		316	#endif
292		317
293	/*	318	/*
294	* This is used to avoid floating point rounding problems.	319	* This is used to avoid floating point rounding problems.
295	* It is added to ev_rt_now when scheduling periodics	320	* It is added to ev_rt_now when scheduling periodics
296	* to ensure progress, time-wise, even when rounding	321	* to ensure progress, time-wise, even when rounding
…		…
444	typedef struct {	469	typedef struct {
445	ev_tstamp at;	470	ev_tstamp at;
446	WT w;	471	WT w;
447	} ANHE;	472	} ANHE;
448		473
449	#define ANHE_w(he) (he).w /* access watcher, read-write */	474	#define ANHE_w(he) (he).w /* access watcher, read-write */
450	#define ANHE_at(he) (he).at /* access cached at, read-only */	475	#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 */	476	#define ANHE_at_cache(he) (he).at = (he).w->at /* update at from watcher */
452	#else	477	#else
453	typedef WT ANHE;	478	typedef WT ANHE;
454		479
455	#define ANHE_w(he) (he)	480	#define ANHE_w(he) (he)
456	#define ANHE_at(he) (he)->at	481	#define ANHE_at(he) (he)->at
457	#define ANHE_at_set(he)	482	#define ANHE_at_cache(he)
458	#endif	483	#endif
459		484
460	#if EV_MULTIPLICITY	485	#if EV_MULTIPLICITY
461		486
462	struct ev_loop	487	struct ev_loop
…		…
540	struct timeval tv;	565	struct timeval tv;
541		566
542	tv.tv_sec = (time_t)delay;	567	tv.tv_sec = (time_t)delay;
543	tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6);	568	tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6);
544		569
		570	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */
		571	/* somehting nto guaranteed by newer posix versions, but guaranteed */
		572	/* by older ones */
545	select (0, 0, 0, 0, &tv);	573	select (0, 0, 0, 0, &tv);
546	#endif	574	#endif
547	}	575	}
548	}	576	}
549		577
…		…
683	events \|= (unsigned char)w->events;	711	events \|= (unsigned char)w->events;
684		712
685	#if EV_SELECT_IS_WINSOCKET	713	#if EV_SELECT_IS_WINSOCKET
686	if (events)	714	if (events)
687	{	715	{
688	unsigned long argp;	716	unsigned long arg;
689	#ifdef EV_FD_TO_WIN32_HANDLE	717	#ifdef EV_FD_TO_WIN32_HANDLE
690	anfd->handle = EV_FD_TO_WIN32_HANDLE (fd);	718	anfd->handle = EV_FD_TO_WIN32_HANDLE (fd);
691	#else	719	#else
692	anfd->handle = _get_osfhandle (fd);	720	anfd->handle = _get_osfhandle (fd);
693	#endif	721	#endif
694	assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0));	722	assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0));
695	}	723	}
696	#endif	724	#endif
697		725
698	{	726	{
699	unsigned char o_events = anfd->events;	727	unsigned char o_events = anfd->events;
…		…
752	{	780	{
753	int fd;	781	int fd;
754		782
755	for (fd = 0; fd < anfdmax; ++fd)	783	for (fd = 0; fd < anfdmax; ++fd)
756	if (anfds [fd].events)	784	if (anfds [fd].events)
757	if (!fd_valid (fd) == -1 && errno == EBADF)	785	if (!fd_valid (fd) && errno == EBADF)
758	fd_kill (EV_A_ fd);	786	fd_kill (EV_A_ fd);
759	}	787	}
760		788
761	/* called on ENOMEM in select/poll to kill some fds and retry */	789	/* called on ENOMEM in select/poll to kill some fds and retry */
762	static void noinline	790	static void noinline
…		…
802	*/	830	*/
803	#if EV_USE_4HEAP	831	#if EV_USE_4HEAP
804		832
805	#define DHEAP 4	833	#define DHEAP 4
806	#define HEAP0 (DHEAP - 1) /* index of first element in heap */	834	#define HEAP0 (DHEAP - 1) /* index of first element in heap */
807		835	#define HPARENT(k) ((((k) - HEAP0 - 1) / DHEAP) + HEAP0)
808	/* towards the root */	836	#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		837
830	/* away from the root */	838	/* away from the root */
831	void inline_speed	839	void inline_speed
832	downheap (ANHE *heap, int N, int k)	840	downheap (ANHE *heap, int N, int k)
833	{	841	{
…		…
836		844
837	for (;;)	845	for (;;)
838	{	846	{
839	ev_tstamp minat;	847	ev_tstamp minat;
840	ANHE *minpos;	848	ANHE *minpos;
841	ANHE pos = heap + DHEAP (k - HEAP0) + HEAP0;	849	ANHE pos = heap + DHEAP (k - HEAP0) + HEAP0 + 1;
842		850
843	// find minimum child	851	/* find minimum child */
844	if (expect_true (pos + DHEAP - 1 < E))	852	if (expect_true (pos + DHEAP - 1 < E))
845	{	853	{
846	/* fast path / (minpos = pos + 0), (minat = ANHE_at (minpos));	854	/* fast path / (minpos = pos + 0), (minat = ANHE_at (minpos));
847	if ( ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos));	855	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));	856	if ( ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos));
…		…
859	break;	867	break;
860		868
861	if (ANHE_at (he) <= minat)	869	if (ANHE_at (he) <= minat)
862	break;	870	break;
863		871
		872	heap [k] = *minpos;
864	ev_active (ANHE_w (*minpos)) = k;	873	ev_active (ANHE_w (*minpos)) = k;
865	heap [k] = *minpos;
866		874
867	k = minpos - heap;	875	k = minpos - heap;
868	}	876	}
869		877
		878	heap [k] = he;
870	ev_active (ANHE_w (he)) = k;	879	ev_active (ANHE_w (he)) = k;
871	heap [k] = he;
872	}	880	}
873		881
874	#else // 4HEAP	882	#else /* 4HEAP */
875		883
876	#define HEAP0 1	884	#define HEAP0 1
877		885	#define HPARENT(k) ((k) >> 1)
878	/* towards the root */	886	#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		887
901	/* away from the root */	888	/* away from the root */
902	void inline_speed	889	void inline_speed
903	downheap (ANHE *heap, int N, int k)	890	downheap (ANHE *heap, int N, int k)
904	{	891	{
…		…
906		893
907	for (;;)	894	for (;;)
908	{	895	{
909	int c = k << 1;	896	int c = k << 1;
910		897
911	if (c > N)	898	if (c > N + HEAP0 - 1)
912	break;	899	break;
913		900
914	c += c + 1 < N && ANHE_at (heap [c]) > ANHE_at (heap [c + 1])	901	c += c + 1 < N + HEAP0 && ANHE_at (heap [c]) > ANHE_at (heap [c + 1])
915	? 1 : 0;	902	? 1 : 0;
916		903
917	if (ANHE_at (he) <= ANHE_at (heap [c]))	904	if (ANHE_at (he) <= ANHE_at (heap [c]))
918	break;	905	break;
919		906
…		…
926	heap [k] = he;	913	heap [k] = he;
927	ev_active (ANHE_w (he)) = k;	914	ev_active (ANHE_w (he)) = k;
928	}	915	}
929	#endif	916	#endif
930		917
		918	/* towards the root */
		919	void inline_speed
		920	upheap (ANHE *heap, int k)
		921	{
		922	ANHE he = heap [k];
		923
		924	for (;;)
		925	{
		926	int p = HPARENT (k);
		927
		928	if (UPHEAP_DONE (p, k) \|\| ANHE_at (heap [p]) <= ANHE_at (he))
		929	break;
		930
		931	heap [k] = heap [p];
		932	ev_active (ANHE_w (heap [k])) = k;
		933	k = p;
		934	}
		935
		936	heap [k] = he;
		937	ev_active (ANHE_w (he)) = k;
		938	}
		939
931	void inline_size	940	void inline_size
932	adjustheap (ANHE *heap, int N, int k)	941	adjustheap (ANHE *heap, int N, int k)
933	{	942	{
		943	if (k > HEAP0 && ANHE_at (heap [HPARENT (k)]) >= ANHE_at (heap [k]))
934	upheap (heap, k);	944	upheap (heap, k);
		945	else
935	downheap (heap, N, k);	946	downheap (heap, N, k);
		947	}
		948
		949	/* rebuild the heap: this function is used only once and executed rarely */
		950	void inline_size
		951	reheap (ANHE *heap, int N)
		952	{
		953	int i;
		954
		955	/* we don't use floyds algorithm, upheap is simpler and is more cache-efficient */
		956	/* also, this is easy to implement and correct for both 2-heaps and 4-heaps */
		957	for (i = 0; i < N; ++i)
		958	upheap (heap, i + HEAP0);
936	}	959	}
937		960
938	/*****************************************************************************/	961	/*****************************************************************************/
939		962
940	typedef struct	963	typedef struct
…		…
964		987
965	void inline_speed	988	void inline_speed
966	fd_intern (int fd)	989	fd_intern (int fd)
967	{	990	{
968	#ifdef _WIN32	991	#ifdef _WIN32
969	int arg = 1;	992	unsigned long arg = 1;
970	ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg);	993	ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg);
971	#else	994	#else
972	fcntl (fd, F_SETFD, FD_CLOEXEC);	995	fcntl (fd, F_SETFD, FD_CLOEXEC);
973	fcntl (fd, F_SETFL, O_NONBLOCK);	996	fcntl (fd, F_SETFL, O_NONBLOCK);
974	#endif	997	#endif
…		…
1458		1481
1459	postfork = 0;	1482	postfork = 0;
1460	}	1483	}
1461		1484
1462	#if EV_MULTIPLICITY	1485	#if EV_MULTIPLICITY
		1486
1463	struct ev_loop *	1487	struct ev_loop *
1464	ev_loop_new (unsigned int flags)	1488	ev_loop_new (unsigned int flags)
1465	{	1489	{
1466	struct ev_loop loop = (struct ev_loop )ev_malloc (sizeof (struct ev_loop));	1490	struct ev_loop loop = (struct ev_loop )ev_malloc (sizeof (struct ev_loop));
1467		1491
…		…
1485	void	1509	void
1486	ev_loop_fork (EV_P)	1510	ev_loop_fork (EV_P)
1487	{	1511	{
1488	postfork = 1; /* must be in line with ev_default_fork */	1512	postfork = 1; /* must be in line with ev_default_fork */
1489	}	1513	}
		1514
		1515	#if EV_VERIFY
		1516	static void noinline
		1517	verify_watcher (EV_P_ W w)
		1518	{
		1519	assert (("watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI));
		1520
		1521	if (w->pending)
		1522	assert (("pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w));
		1523	}
		1524
		1525	static void noinline
		1526	verify_heap (EV_P_ ANHE *heap, int N)
		1527	{
		1528	int i;
		1529
		1530	for (i = HEAP0; i < N + HEAP0; ++i)
		1531	{
		1532	assert (("active index mismatch in heap", ev_active (ANHE_w (heap [i])) == i));
		1533	assert (("heap condition violated", i == HEAP0 \|\| ANHE_at (heap [HPARENT (i)]) <= ANHE_at (heap [i])));
		1534	assert (("heap at cache mismatch", ANHE_at (heap [i]) == ev_at (ANHE_w (heap [i]))));
		1535
		1536	verify_watcher (EV_A_ (W)ANHE_w (heap [i]));
		1537	}
		1538	}
		1539
		1540	static void noinline
		1541	array_verify (EV_P_ W *ws, int cnt)
		1542	{
		1543	while (cnt--)
		1544	{
		1545	assert (("active index mismatch", ev_active (ws [cnt]) == cnt + 1));
		1546	verify_watcher (EV_A_ ws [cnt]);
		1547	}
		1548	}
		1549	#endif
		1550
		1551	void
		1552	ev_loop_verify (EV_P)
		1553	{
		1554	#if EV_VERIFY
		1555	int i;
		1556	WL w;
		1557
		1558	assert (activecnt >= -1);
		1559
		1560	assert (fdchangemax >= fdchangecnt);
		1561	for (i = 0; i < fdchangecnt; ++i)
		1562	assert (("negative fd in fdchanges", fdchanges [i] >= 0));
		1563
		1564	assert (anfdmax >= 0);
		1565	for (i = 0; i < anfdmax; ++i)
		1566	for (w = anfds [i].head; w; w = w->next)
		1567	{
		1568	verify_watcher (EV_A_ (W)w);
		1569	assert (("inactive fd watcher on anfd list", ev_active (w) == 1));
		1570	assert (("fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i));
		1571	}
		1572
		1573	assert (timermax >= timercnt);
		1574	verify_heap (EV_A_ timers, timercnt);
		1575
		1576	#if EV_PERIODIC_ENABLE
		1577	assert (periodicmax >= periodiccnt);
		1578	verify_heap (EV_A_ periodics, periodiccnt);
		1579	#endif
		1580
		1581	for (i = NUMPRI; i--; )
		1582	{
		1583	assert (pendingmax [i] >= pendingcnt [i]);
		1584	#if EV_IDLE_ENABLE
		1585	assert (idleall >= 0);
		1586	assert (idlemax [i] >= idlecnt [i]);
		1587	array_verify (EV_A_ (W *)idles [i], idlecnt [i]);
		1588	#endif
		1589	}
		1590
		1591	#if EV_FORK_ENABLE
		1592	assert (forkmax >= forkcnt);
		1593	array_verify (EV_A_ (W *)forks, forkcnt);
		1594	#endif
		1595
		1596	#if EV_ASYNC_ENABLE
		1597	assert (asyncmax >= asynccnt);
		1598	array_verify (EV_A_ (W *)asyncs, asynccnt);
		1599	#endif
		1600
		1601	assert (preparemax >= preparecnt);
		1602	array_verify (EV_A_ (W *)prepares, preparecnt);
		1603
		1604	assert (checkmax >= checkcnt);
		1605	array_verify (EV_A_ (W *)checks, checkcnt);
		1606
		1607	# if 0
		1608	for (w = (ev_child )childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child )((WL)w)->next)
		1609	for (signum = signalmax; signum--; ) if (signals [signum].gotsig)
1490	#endif	1610	# endif
		1611	#endif
		1612	}
		1613
		1614	#endif /* multiplicity */
1491		1615
1492	#if EV_MULTIPLICITY	1616	#if EV_MULTIPLICITY
1493	struct ev_loop *	1617	struct ev_loop *
1494	ev_default_loop_init (unsigned int flags)	1618	ev_default_loop_init (unsigned int flags)
1495	#else	1619	#else
…		…
1571	{	1695	{
1572	/assert (("non-pending watcher on pending list", p->w->pending));/	1696	/assert (("non-pending watcher on pending list", p->w->pending));/
1573		1697
1574	p->w->pending = 0;	1698	p->w->pending = 0;
1575	EV_CB_INVOKE (p->w, p->events);	1699	EV_CB_INVOKE (p->w, p->events);
		1700	EV_FREQUENT_CHECK;
1576	}	1701	}
1577	}	1702	}
1578	}	1703	}
1579		1704
1580	#if EV_IDLE_ENABLE	1705	#if EV_IDLE_ENABLE
…		…
1601	#endif	1726	#endif
1602		1727
1603	void inline_size	1728	void inline_size
1604	timers_reify (EV_P)	1729	timers_reify (EV_P)
1605	{	1730	{
		1731	EV_FREQUENT_CHECK;
		1732
1606	while (timercnt && ANHE_at (timers [HEAP0]) < mn_now)	1733	while (timercnt && ANHE_at (timers [HEAP0]) < mn_now)
1607	{	1734	{
1608	ev_timer w = (ev_timer )ANHE_w (timers [HEAP0]);	1735	ev_timer w = (ev_timer )ANHE_w (timers [HEAP0]);
1609		1736
1610	/assert (("inactive timer on timer heap detected", ev_is_active (w)));/	1737	/assert (("inactive timer on timer heap detected", ev_is_active (w)));/
…		…
1616	if (ev_at (w) < mn_now)	1743	if (ev_at (w) < mn_now)
1617	ev_at (w) = mn_now;	1744	ev_at (w) = mn_now;
1618		1745
1619	assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));	1746	assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));
1620		1747
1621	ANHE_at_set (timers [HEAP0]);	1748	ANHE_at_cache (timers [HEAP0]);
1622	downheap (timers, timercnt, HEAP0);	1749	downheap (timers, timercnt, HEAP0);
1623	}	1750	}
1624	else	1751	else
1625	ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */	1752	ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */
1626		1753
		1754	EV_FREQUENT_CHECK;
1627	ev_feed_event (EV_A_ (W)w, EV_TIMEOUT);	1755	ev_feed_event (EV_A_ (W)w, EV_TIMEOUT);
1628	}	1756	}
1629	}	1757	}
1630		1758
1631	#if EV_PERIODIC_ENABLE	1759	#if EV_PERIODIC_ENABLE
1632	void inline_size	1760	void inline_size
1633	periodics_reify (EV_P)	1761	periodics_reify (EV_P)
1634	{	1762	{
		1763	EV_FREQUENT_CHECK;
		1764
1635	while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)	1765	while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)
1636	{	1766	{
1637	ev_periodic w = (ev_periodic )ANHE_w (periodics [HEAP0]);	1767	ev_periodic w = (ev_periodic )ANHE_w (periodics [HEAP0]);
1638		1768
1639	/assert (("inactive timer on periodic heap detected", ev_is_active (w)));/	1769	/assert (("inactive timer on periodic heap detected", ev_is_active (w)));/
…		…
1643	{	1773	{
1644	ev_at (w) = w->reschedule_cb (w, ev_rt_now);	1774	ev_at (w) = w->reschedule_cb (w, ev_rt_now);
1645		1775
1646	assert (("ev_periodic reschedule callback returned time in the past", ev_at (w) >= ev_rt_now));	1776	assert (("ev_periodic reschedule callback returned time in the past", ev_at (w) >= ev_rt_now));
1647		1777
1648	ANHE_at_set (periodics [HEAP0]);	1778	ANHE_at_cache (periodics [HEAP0]);
1649	downheap (periodics, periodiccnt, HEAP0);	1779	downheap (periodics, periodiccnt, HEAP0);
1650	}	1780	}
1651	else if (w->interval)	1781	else if (w->interval)
1652	{	1782	{
1653	ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;	1783	ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
		1784	/* if next trigger time is not sufficiently in the future, put it there */
		1785	/* this might happen because of floating point inexactness */
1654	if (ev_at (w) - ev_rt_now <= TIME_EPSILON) ev_at (w) += w->interval;	1786	if (ev_at (w) - ev_rt_now < TIME_EPSILON)
		1787	{
		1788	ev_at (w) += w->interval;
1655		1789
1656	assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ev_at (w) >= ev_rt_now));	1790	/* if interval is unreasonably low we might still have a time in the past */
		1791	/* so correct this. this will make the periodic very inexact, but the user */
		1792	/* has effectively asked to get triggered more often than possible */
		1793	if (ev_at (w) < ev_rt_now)
		1794	ev_at (w) = ev_rt_now;
		1795	}
1657		1796
1658	ANHE_at_set (periodics [HEAP0]);	1797	ANHE_at_cache (periodics [HEAP0]);
1659	downheap (periodics, periodiccnt, HEAP0);	1798	downheap (periodics, periodiccnt, HEAP0);
1660	}	1799	}
1661	else	1800	else
1662	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */	1801	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */
1663		1802
		1803	EV_FREQUENT_CHECK;
1664	ev_feed_event (EV_A_ (W)w, EV_PERIODIC);	1804	ev_feed_event (EV_A_ (W)w, EV_PERIODIC);
1665	}	1805	}
1666	}	1806	}
1667		1807
1668	static void noinline	1808	static void noinline
…		…
1678	if (w->reschedule_cb)	1818	if (w->reschedule_cb)
1679	ev_at (w) = w->reschedule_cb (w, ev_rt_now);	1819	ev_at (w) = w->reschedule_cb (w, ev_rt_now);
1680	else if (w->interval)	1820	else if (w->interval)
1681	ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;	1821	ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
1682		1822
1683	ANHE_at_set (periodics [i]);	1823	ANHE_at_cache (periodics [i]);
1684	}	1824	}
1685		1825
1686	/* we don't use floyds algorithm, uphead is simpler and is more cache-efficient */	1826	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	}	1827	}
1691	#endif	1828	#endif
1692		1829
1693	void inline_speed	1830	void inline_speed
1694	time_update (EV_P_ ev_tstamp max_block)	1831	time_update (EV_P_ ev_tstamp max_block)
…		…
1752	/* adjust timers. this is easy, as the offset is the same for all of them */	1889	/* adjust timers. this is easy, as the offset is the same for all of them */
1753	for (i = 0; i < timercnt; ++i)	1890	for (i = 0; i < timercnt; ++i)
1754	{	1891	{
1755	ANHE *he = timers + i + HEAP0;	1892	ANHE *he = timers + i + HEAP0;
1756	ANHE_w (*he)->at += ev_rt_now - mn_now;	1893	ANHE_w (*he)->at += ev_rt_now - mn_now;
1757	ANHE_at_set (*he);	1894	ANHE_at_cache (*he);
1758	}	1895	}
1759	}	1896	}
1760		1897
1761	mn_now = ev_rt_now;	1898	mn_now = ev_rt_now;
1762	}	1899	}
…		…
1783		1920
1784	call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */	1921	call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */
1785		1922
1786	do	1923	do
1787	{	1924	{
		1925	#if EV_VERIFY >= 2
		1926	ev_loop_verify (EV_A);
		1927	#endif
		1928
1788	#ifndef _WIN32	1929	#ifndef _WIN32
1789	if (expect_false (curpid)) /* penalise the forking check even more */	1930	if (expect_false (curpid)) /* penalise the forking check even more */
1790	if (expect_false (getpid () != curpid))	1931	if (expect_false (getpid () != curpid))
1791	{	1932	{
1792	curpid = getpid ();	1933	curpid = getpid ();
…		…
1987	if (expect_false (ev_is_active (w)))	2128	if (expect_false (ev_is_active (w)))
1988	return;	2129	return;
1989		2130
1990	assert (("ev_io_start called with negative fd", fd >= 0));	2131	assert (("ev_io_start called with negative fd", fd >= 0));
1991		2132
		2133	EV_FREQUENT_CHECK;
		2134
1992	ev_start (EV_A_ (W)w, 1);	2135	ev_start (EV_A_ (W)w, 1);
1993	array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init);	2136	array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init);
1994	wlist_add (&anfds[fd].head, (WL)w);	2137	wlist_add (&anfds[fd].head, (WL)w);
1995		2138
1996	fd_change (EV_A_ fd, w->events & EV_IOFDSET \| 1);	2139	fd_change (EV_A_ fd, w->events & EV_IOFDSET \| 1);
1997	w->events &= ~EV_IOFDSET;	2140	w->events &= ~EV_IOFDSET;
		2141
		2142	EV_FREQUENT_CHECK;
1998	}	2143	}
1999		2144
2000	void noinline	2145	void noinline
2001	ev_io_stop (EV_P_ ev_io *w)	2146	ev_io_stop (EV_P_ ev_io *w)
2002	{	2147	{
…		…
2004	if (expect_false (!ev_is_active (w)))	2149	if (expect_false (!ev_is_active (w)))
2005	return;	2150	return;
2006		2151
2007	assert (("ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));	2152	assert (("ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));
2008		2153
		2154	EV_FREQUENT_CHECK;
		2155
2009	wlist_del (&anfds[w->fd].head, (WL)w);	2156	wlist_del (&anfds[w->fd].head, (WL)w);
2010	ev_stop (EV_A_ (W)w);	2157	ev_stop (EV_A_ (W)w);
2011		2158
2012	fd_change (EV_A_ w->fd, 1);	2159	fd_change (EV_A_ w->fd, 1);
		2160
		2161	EV_FREQUENT_CHECK;
2013	}	2162	}
2014		2163
2015	void noinline	2164	void noinline
2016	ev_timer_start (EV_P_ ev_timer *w)	2165	ev_timer_start (EV_P_ ev_timer *w)
2017	{	2166	{
…		…
2020		2169
2021	ev_at (w) += mn_now;	2170	ev_at (w) += mn_now;
2022		2171
2023	assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));	2172	assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));
2024		2173
		2174	EV_FREQUENT_CHECK;
		2175
		2176	++timercnt;
2025	ev_start (EV_A_ (W)w, ++timercnt + HEAP0 - 1);	2177	ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1);
2026	array_needsize (ANHE, timers, timermax, ev_active (w) + 1, EMPTY2);	2178	array_needsize (ANHE, timers, timermax, ev_active (w) + 1, EMPTY2);
2027	ANHE_w (timers [ev_active (w)]) = (WT)w;	2179	ANHE_w (timers [ev_active (w)]) = (WT)w;
2028	ANHE_at_set (timers [ev_active (w)]);	2180	ANHE_at_cache (timers [ev_active (w)]);
2029	upheap (timers, ev_active (w));	2181	upheap (timers, ev_active (w));
		2182
		2183	EV_FREQUENT_CHECK;
2030		2184
2031	/assert (("internal timer heap corruption", timers [ev_active (w)] == (WT)w));/	2185	/assert (("internal timer heap corruption", timers [ev_active (w)] == (WT)w));/
2032	}	2186	}
2033		2187
2034	void noinline	2188	void noinline
…		…
2036	{	2190	{
2037	clear_pending (EV_A_ (W)w);	2191	clear_pending (EV_A_ (W)w);
2038	if (expect_false (!ev_is_active (w)))	2192	if (expect_false (!ev_is_active (w)))
2039	return;	2193	return;
2040		2194
		2195	EV_FREQUENT_CHECK;
		2196
2041	{	2197	{
2042	int active = ev_active (w);	2198	int active = ev_active (w);
2043		2199
2044	assert (("internal timer heap corruption", ANHE_w (timers [active]) == (WT)w));	2200	assert (("internal timer heap corruption", ANHE_w (timers [active]) == (WT)w));
2045		2201
		2202	--timercnt;
		2203
2046	if (expect_true (active < timercnt + HEAP0 - 1))	2204	if (expect_true (active < timercnt + HEAP0))
2047	{	2205	{
2048	timers [active] = timers [timercnt + HEAP0 - 1];	2206	timers [active] = timers [timercnt + HEAP0];
2049	adjustheap (timers, timercnt, active);	2207	adjustheap (timers, timercnt, active);
2050	}	2208	}
2051
2052	--timercnt;
2053	}	2209	}
		2210
		2211	EV_FREQUENT_CHECK;
2054		2212
2055	ev_at (w) -= mn_now;	2213	ev_at (w) -= mn_now;
2056		2214
2057	ev_stop (EV_A_ (W)w);	2215	ev_stop (EV_A_ (W)w);
2058	}	2216	}
2059		2217
2060	void noinline	2218	void noinline
2061	ev_timer_again (EV_P_ ev_timer *w)	2219	ev_timer_again (EV_P_ ev_timer *w)
2062	{	2220	{
		2221	EV_FREQUENT_CHECK;
		2222
2063	if (ev_is_active (w))	2223	if (ev_is_active (w))
2064	{	2224	{
2065	if (w->repeat)	2225	if (w->repeat)
2066	{	2226	{
2067	ev_at (w) = mn_now + w->repeat;	2227	ev_at (w) = mn_now + w->repeat;
2068	ANHE_at_set (timers [ev_active (w)]);	2228	ANHE_at_cache (timers [ev_active (w)]);
2069	adjustheap (timers, timercnt, ev_active (w));	2229	adjustheap (timers, timercnt, ev_active (w));
2070	}	2230	}
2071	else	2231	else
2072	ev_timer_stop (EV_A_ w);	2232	ev_timer_stop (EV_A_ w);
2073	}	2233	}
2074	else if (w->repeat)	2234	else if (w->repeat)
2075	{	2235	{
2076	ev_at (w) = w->repeat;	2236	ev_at (w) = w->repeat;
2077	ev_timer_start (EV_A_ w);	2237	ev_timer_start (EV_A_ w);
2078	}	2238	}
		2239
		2240	EV_FREQUENT_CHECK;
2079	}	2241	}
2080		2242
2081	#if EV_PERIODIC_ENABLE	2243	#if EV_PERIODIC_ENABLE
2082	void noinline	2244	void noinline
2083	ev_periodic_start (EV_P_ ev_periodic *w)	2245	ev_periodic_start (EV_P_ ev_periodic *w)
…		…
2094	ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;	2256	ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
2095	}	2257	}
2096	else	2258	else
2097	ev_at (w) = w->offset;	2259	ev_at (w) = w->offset;
2098		2260
		2261	EV_FREQUENT_CHECK;
		2262
		2263	++periodiccnt;
2099	ev_start (EV_A_ (W)w, ++periodiccnt + HEAP0 - 1);	2264	ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1);
2100	array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, EMPTY2);	2265	array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, EMPTY2);
2101	ANHE_w (periodics [ev_active (w)]) = (WT)w;	2266	ANHE_w (periodics [ev_active (w)]) = (WT)w;
2102	ANHE_at_set (periodics [ev_active (w)]);	2267	ANHE_at_cache (periodics [ev_active (w)]);
2103	upheap (periodics, ev_active (w));	2268	upheap (periodics, ev_active (w));
		2269
		2270	EV_FREQUENT_CHECK;
2104		2271
2105	/assert (("internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));/	2272	/assert (("internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));/
2106	}	2273	}
2107		2274
2108	void noinline	2275	void noinline
…		…
2110	{	2277	{
2111	clear_pending (EV_A_ (W)w);	2278	clear_pending (EV_A_ (W)w);
2112	if (expect_false (!ev_is_active (w)))	2279	if (expect_false (!ev_is_active (w)))
2113	return;	2280	return;
2114		2281
		2282	EV_FREQUENT_CHECK;
		2283
2115	{	2284	{
2116	int active = ev_active (w);	2285	int active = ev_active (w);
2117		2286
2118	assert (("internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w));	2287	assert (("internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w));
2119		2288
		2289	--periodiccnt;
		2290
2120	if (expect_true (active < periodiccnt + HEAP0 - 1))	2291	if (expect_true (active < periodiccnt + HEAP0))
2121	{	2292	{
2122	periodics [active] = periodics [periodiccnt + HEAP0 - 1];	2293	periodics [active] = periodics [periodiccnt + HEAP0];
2123	adjustheap (periodics, periodiccnt, active);	2294	adjustheap (periodics, periodiccnt, active);
2124	}	2295	}
2125
2126	--periodiccnt;
2127	}	2296	}
		2297
		2298	EV_FREQUENT_CHECK;
2128		2299
2129	ev_stop (EV_A_ (W)w);	2300	ev_stop (EV_A_ (W)w);
2130	}	2301	}
2131		2302
2132	void noinline	2303	void noinline
…		…
2152	return;	2323	return;
2153		2324
2154	assert (("ev_signal_start called with illegal signal number", w->signum > 0));	2325	assert (("ev_signal_start called with illegal signal number", w->signum > 0));
2155		2326
2156	evpipe_init (EV_A);	2327	evpipe_init (EV_A);
		2328
		2329	EV_FREQUENT_CHECK;
2157		2330
2158	{	2331	{
2159	#ifndef _WIN32	2332	#ifndef _WIN32
2160	sigset_t full, prev;	2333	sigset_t full, prev;
2161	sigfillset (&full);	2334	sigfillset (&full);
…		…
2182	sigfillset (&sa.sa_mask);	2355	sigfillset (&sa.sa_mask);
2183	sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */	2356	sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */
2184	sigaction (w->signum, &sa, 0);	2357	sigaction (w->signum, &sa, 0);
2185	#endif	2358	#endif
2186	}	2359	}
		2360
		2361	EV_FREQUENT_CHECK;
2187	}	2362	}
2188		2363
2189	void noinline	2364	void noinline
2190	ev_signal_stop (EV_P_ ev_signal *w)	2365	ev_signal_stop (EV_P_ ev_signal *w)
2191	{	2366	{
2192	clear_pending (EV_A_ (W)w);	2367	clear_pending (EV_A_ (W)w);
2193	if (expect_false (!ev_is_active (w)))	2368	if (expect_false (!ev_is_active (w)))
2194	return;	2369	return;
2195		2370
		2371	EV_FREQUENT_CHECK;
		2372
2196	wlist_del (&signals [w->signum - 1].head, (WL)w);	2373	wlist_del (&signals [w->signum - 1].head, (WL)w);
2197	ev_stop (EV_A_ (W)w);	2374	ev_stop (EV_A_ (W)w);
2198		2375
2199	if (!signals [w->signum - 1].head)	2376	if (!signals [w->signum - 1].head)
2200	signal (w->signum, SIG_DFL);	2377	signal (w->signum, SIG_DFL);
		2378
		2379	EV_FREQUENT_CHECK;
2201	}	2380	}
2202		2381
2203	void	2382	void
2204	ev_child_start (EV_P_ ev_child *w)	2383	ev_child_start (EV_P_ ev_child *w)
2205	{	2384	{
…		…
2207	assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr));	2386	assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
2208	#endif	2387	#endif
2209	if (expect_false (ev_is_active (w)))	2388	if (expect_false (ev_is_active (w)))
2210	return;	2389	return;
2211		2390
		2391	EV_FREQUENT_CHECK;
		2392
2212	ev_start (EV_A_ (W)w, 1);	2393	ev_start (EV_A_ (W)w, 1);
2213	wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);	2394	wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);
		2395
		2396	EV_FREQUENT_CHECK;
2214	}	2397	}
2215		2398
2216	void	2399	void
2217	ev_child_stop (EV_P_ ev_child *w)	2400	ev_child_stop (EV_P_ ev_child *w)
2218	{	2401	{
2219	clear_pending (EV_A_ (W)w);	2402	clear_pending (EV_A_ (W)w);
2220	if (expect_false (!ev_is_active (w)))	2403	if (expect_false (!ev_is_active (w)))
2221	return;	2404	return;
2222		2405
		2406	EV_FREQUENT_CHECK;
		2407
2223	wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);	2408	wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);
2224	ev_stop (EV_A_ (W)w);	2409	ev_stop (EV_A_ (W)w);
		2410
		2411	EV_FREQUENT_CHECK;
2225	}	2412	}
2226		2413
2227	#if EV_STAT_ENABLE	2414	#if EV_STAT_ENABLE
2228		2415
2229	# ifdef _WIN32	2416	# ifdef _WIN32
…		…
2384	}	2571	}
2385		2572
2386	}	2573	}
2387	}	2574	}
2388		2575
		2576	#endif
		2577
		2578	#ifdef _WIN32
		2579	# define EV_LSTAT(p,b) _stati64 (p, b)
		2580	#else
		2581	# define EV_LSTAT(p,b) lstat (p, b)
2389	#endif	2582	#endif
2390		2583
2391	void	2584	void
2392	ev_stat_stat (EV_P_ ev_stat *w)	2585	ev_stat_stat (EV_P_ ev_stat *w)
2393	{	2586	{
…		…
2457	else	2650	else
2458	#endif	2651	#endif
2459	ev_timer_start (EV_A_ &w->timer);	2652	ev_timer_start (EV_A_ &w->timer);
2460		2653
2461	ev_start (EV_A_ (W)w, 1);	2654	ev_start (EV_A_ (W)w, 1);
		2655
		2656	EV_FREQUENT_CHECK;
2462	}	2657	}
2463		2658
2464	void	2659	void
2465	ev_stat_stop (EV_P_ ev_stat *w)	2660	ev_stat_stop (EV_P_ ev_stat *w)
2466	{	2661	{
2467	clear_pending (EV_A_ (W)w);	2662	clear_pending (EV_A_ (W)w);
2468	if (expect_false (!ev_is_active (w)))	2663	if (expect_false (!ev_is_active (w)))
2469	return;	2664	return;
2470		2665
		2666	EV_FREQUENT_CHECK;
		2667
2471	#if EV_USE_INOTIFY	2668	#if EV_USE_INOTIFY
2472	infy_del (EV_A_ w);	2669	infy_del (EV_A_ w);
2473	#endif	2670	#endif
2474	ev_timer_stop (EV_A_ &w->timer);	2671	ev_timer_stop (EV_A_ &w->timer);
2475		2672
2476	ev_stop (EV_A_ (W)w);	2673	ev_stop (EV_A_ (W)w);
		2674
		2675	EV_FREQUENT_CHECK;
2477	}	2676	}
2478	#endif	2677	#endif
2479		2678
2480	#if EV_IDLE_ENABLE	2679	#if EV_IDLE_ENABLE
2481	void	2680	void
…		…
2483	{	2682	{
2484	if (expect_false (ev_is_active (w)))	2683	if (expect_false (ev_is_active (w)))
2485	return;	2684	return;
2486		2685
2487	pri_adjust (EV_A_ (W)w);	2686	pri_adjust (EV_A_ (W)w);
		2687
		2688	EV_FREQUENT_CHECK;
2488		2689
2489	{	2690	{
2490	int active = ++idlecnt [ABSPRI (w)];	2691	int active = ++idlecnt [ABSPRI (w)];
2491		2692
2492	++idleall;	2693	++idleall;
2493	ev_start (EV_A_ (W)w, active);	2694	ev_start (EV_A_ (W)w, active);
2494		2695
2495	array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2);	2696	array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2);
2496	idles [ABSPRI (w)][active - 1] = w;	2697	idles [ABSPRI (w)][active - 1] = w;
2497	}	2698	}
		2699
		2700	EV_FREQUENT_CHECK;
2498	}	2701	}
2499		2702
2500	void	2703	void
2501	ev_idle_stop (EV_P_ ev_idle *w)	2704	ev_idle_stop (EV_P_ ev_idle *w)
2502	{	2705	{
2503	clear_pending (EV_A_ (W)w);	2706	clear_pending (EV_A_ (W)w);
2504	if (expect_false (!ev_is_active (w)))	2707	if (expect_false (!ev_is_active (w)))
2505	return;	2708	return;
2506		2709
		2710	EV_FREQUENT_CHECK;
		2711
2507	{	2712	{
2508	int active = ev_active (w);	2713	int active = ev_active (w);
2509		2714
2510	idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]];	2715	idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]];
2511	ev_active (idles [ABSPRI (w)][active - 1]) = active;	2716	ev_active (idles [ABSPRI (w)][active - 1]) = active;
2512		2717
2513	ev_stop (EV_A_ (W)w);	2718	ev_stop (EV_A_ (W)w);
2514	--idleall;	2719	--idleall;
2515	}	2720	}
		2721
		2722	EV_FREQUENT_CHECK;
2516	}	2723	}
2517	#endif	2724	#endif
2518		2725
2519	void	2726	void
2520	ev_prepare_start (EV_P_ ev_prepare *w)	2727	ev_prepare_start (EV_P_ ev_prepare *w)
2521	{	2728	{
2522	if (expect_false (ev_is_active (w)))	2729	if (expect_false (ev_is_active (w)))
2523	return;	2730	return;
		2731
		2732	EV_FREQUENT_CHECK;
2524		2733
2525	ev_start (EV_A_ (W)w, ++preparecnt);	2734	ev_start (EV_A_ (W)w, ++preparecnt);
2526	array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2);	2735	array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2);
2527	prepares [preparecnt - 1] = w;	2736	prepares [preparecnt - 1] = w;
		2737
		2738	EV_FREQUENT_CHECK;
2528	}	2739	}
2529		2740
2530	void	2741	void
2531	ev_prepare_stop (EV_P_ ev_prepare *w)	2742	ev_prepare_stop (EV_P_ ev_prepare *w)
2532	{	2743	{
2533	clear_pending (EV_A_ (W)w);	2744	clear_pending (EV_A_ (W)w);
2534	if (expect_false (!ev_is_active (w)))	2745	if (expect_false (!ev_is_active (w)))
2535	return;	2746	return;
2536		2747
		2748	EV_FREQUENT_CHECK;
		2749
2537	{	2750	{
2538	int active = ev_active (w);	2751	int active = ev_active (w);
2539		2752
2540	prepares [active - 1] = prepares [--preparecnt];	2753	prepares [active - 1] = prepares [--preparecnt];
2541	ev_active (prepares [active - 1]) = active;	2754	ev_active (prepares [active - 1]) = active;
2542	}	2755	}
2543		2756
2544	ev_stop (EV_A_ (W)w);	2757	ev_stop (EV_A_ (W)w);
		2758
		2759	EV_FREQUENT_CHECK;
2545	}	2760	}
2546		2761
2547	void	2762	void
2548	ev_check_start (EV_P_ ev_check *w)	2763	ev_check_start (EV_P_ ev_check *w)
2549	{	2764	{
2550	if (expect_false (ev_is_active (w)))	2765	if (expect_false (ev_is_active (w)))
2551	return;	2766	return;
		2767
		2768	EV_FREQUENT_CHECK;
2552		2769
2553	ev_start (EV_A_ (W)w, ++checkcnt);	2770	ev_start (EV_A_ (W)w, ++checkcnt);
2554	array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2);	2771	array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2);
2555	checks [checkcnt - 1] = w;	2772	checks [checkcnt - 1] = w;
		2773
		2774	EV_FREQUENT_CHECK;
2556	}	2775	}
2557		2776
2558	void	2777	void
2559	ev_check_stop (EV_P_ ev_check *w)	2778	ev_check_stop (EV_P_ ev_check *w)
2560	{	2779	{
2561	clear_pending (EV_A_ (W)w);	2780	clear_pending (EV_A_ (W)w);
2562	if (expect_false (!ev_is_active (w)))	2781	if (expect_false (!ev_is_active (w)))
2563	return;	2782	return;
2564		2783
		2784	EV_FREQUENT_CHECK;
		2785
2565	{	2786	{
2566	int active = ev_active (w);	2787	int active = ev_active (w);
2567		2788
2568	checks [active - 1] = checks [--checkcnt];	2789	checks [active - 1] = checks [--checkcnt];
2569	ev_active (checks [active - 1]) = active;	2790	ev_active (checks [active - 1]) = active;
2570	}	2791	}
2571		2792
2572	ev_stop (EV_A_ (W)w);	2793	ev_stop (EV_A_ (W)w);
		2794
		2795	EV_FREQUENT_CHECK;
2573	}	2796	}
2574		2797
2575	#if EV_EMBED_ENABLE	2798	#if EV_EMBED_ENABLE
2576	void noinline	2799	void noinline
2577	ev_embed_sweep (EV_P_ ev_embed *w)	2800	ev_embed_sweep (EV_P_ ev_embed *w)
…		…
2624	struct ev_loop *loop = w->other;	2847	struct ev_loop *loop = w->other;
2625	assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ()));	2848	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);	2849	ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ);
2627	}	2850	}
2628		2851
		2852	EV_FREQUENT_CHECK;
		2853
2629	ev_set_priority (&w->io, ev_priority (w));	2854	ev_set_priority (&w->io, ev_priority (w));
2630	ev_io_start (EV_A_ &w->io);	2855	ev_io_start (EV_A_ &w->io);
2631		2856
2632	ev_prepare_init (&w->prepare, embed_prepare_cb);	2857	ev_prepare_init (&w->prepare, embed_prepare_cb);
2633	ev_set_priority (&w->prepare, EV_MINPRI);	2858	ev_set_priority (&w->prepare, EV_MINPRI);
2634	ev_prepare_start (EV_A_ &w->prepare);	2859	ev_prepare_start (EV_A_ &w->prepare);
2635		2860
2636	/ev_idle_init (&w->idle, e,bed_idle_cb);/	2861	/ev_idle_init (&w->idle, e,bed_idle_cb);/
2637		2862
2638	ev_start (EV_A_ (W)w, 1);	2863	ev_start (EV_A_ (W)w, 1);
		2864
		2865	EV_FREQUENT_CHECK;
2639	}	2866	}
2640		2867
2641	void	2868	void
2642	ev_embed_stop (EV_P_ ev_embed *w)	2869	ev_embed_stop (EV_P_ ev_embed *w)
2643	{	2870	{
2644	clear_pending (EV_A_ (W)w);	2871	clear_pending (EV_A_ (W)w);
2645	if (expect_false (!ev_is_active (w)))	2872	if (expect_false (!ev_is_active (w)))
2646	return;	2873	return;
2647		2874
		2875	EV_FREQUENT_CHECK;
		2876
2648	ev_io_stop (EV_A_ &w->io);	2877	ev_io_stop (EV_A_ &w->io);
2649	ev_prepare_stop (EV_A_ &w->prepare);	2878	ev_prepare_stop (EV_A_ &w->prepare);
2650		2879
2651	ev_stop (EV_A_ (W)w);	2880	ev_stop (EV_A_ (W)w);
		2881
		2882	EV_FREQUENT_CHECK;
2652	}	2883	}
2653	#endif	2884	#endif
2654		2885
2655	#if EV_FORK_ENABLE	2886	#if EV_FORK_ENABLE
2656	void	2887	void
2657	ev_fork_start (EV_P_ ev_fork *w)	2888	ev_fork_start (EV_P_ ev_fork *w)
2658	{	2889	{
2659	if (expect_false (ev_is_active (w)))	2890	if (expect_false (ev_is_active (w)))
2660	return;	2891	return;
		2892
		2893	EV_FREQUENT_CHECK;
2661		2894
2662	ev_start (EV_A_ (W)w, ++forkcnt);	2895	ev_start (EV_A_ (W)w, ++forkcnt);
2663	array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2);	2896	array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2);
2664	forks [forkcnt - 1] = w;	2897	forks [forkcnt - 1] = w;
		2898
		2899	EV_FREQUENT_CHECK;
2665	}	2900	}
2666		2901
2667	void	2902	void
2668	ev_fork_stop (EV_P_ ev_fork *w)	2903	ev_fork_stop (EV_P_ ev_fork *w)
2669	{	2904	{
2670	clear_pending (EV_A_ (W)w);	2905	clear_pending (EV_A_ (W)w);
2671	if (expect_false (!ev_is_active (w)))	2906	if (expect_false (!ev_is_active (w)))
2672	return;	2907	return;
2673		2908
		2909	EV_FREQUENT_CHECK;
		2910
2674	{	2911	{
2675	int active = ev_active (w);	2912	int active = ev_active (w);
2676		2913
2677	forks [active - 1] = forks [--forkcnt];	2914	forks [active - 1] = forks [--forkcnt];
2678	ev_active (forks [active - 1]) = active;	2915	ev_active (forks [active - 1]) = active;
2679	}	2916	}
2680		2917
2681	ev_stop (EV_A_ (W)w);	2918	ev_stop (EV_A_ (W)w);
		2919
		2920	EV_FREQUENT_CHECK;
2682	}	2921	}
2683	#endif	2922	#endif
2684		2923
2685	#if EV_ASYNC_ENABLE	2924	#if EV_ASYNC_ENABLE
2686	void	2925	void
…		…
2688	{	2927	{
2689	if (expect_false (ev_is_active (w)))	2928	if (expect_false (ev_is_active (w)))
2690	return;	2929	return;
2691		2930
2692	evpipe_init (EV_A);	2931	evpipe_init (EV_A);
		2932
		2933	EV_FREQUENT_CHECK;
2693		2934
2694	ev_start (EV_A_ (W)w, ++asynccnt);	2935	ev_start (EV_A_ (W)w, ++asynccnt);
2695	array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2);	2936	array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2);
2696	asyncs [asynccnt - 1] = w;	2937	asyncs [asynccnt - 1] = w;
		2938
		2939	EV_FREQUENT_CHECK;
2697	}	2940	}
2698		2941
2699	void	2942	void
2700	ev_async_stop (EV_P_ ev_async *w)	2943	ev_async_stop (EV_P_ ev_async *w)
2701	{	2944	{
2702	clear_pending (EV_A_ (W)w);	2945	clear_pending (EV_A_ (W)w);
2703	if (expect_false (!ev_is_active (w)))	2946	if (expect_false (!ev_is_active (w)))
2704	return;	2947	return;
2705		2948
		2949	EV_FREQUENT_CHECK;
		2950
2706	{	2951	{
2707	int active = ev_active (w);	2952	int active = ev_active (w);
2708		2953
2709	asyncs [active - 1] = asyncs [--asynccnt];	2954	asyncs [active - 1] = asyncs [--asynccnt];
2710	ev_active (asyncs [active - 1]) = active;	2955	ev_active (asyncs [active - 1]) = active;
2711	}	2956	}
2712		2957
2713	ev_stop (EV_A_ (W)w);	2958	ev_stop (EV_A_ (W)w);
		2959
		2960	EV_FREQUENT_CHECK;
2714	}	2961	}
2715		2962
2716	void	2963	void
2717	ev_async_send (EV_P_ ev_async *w)	2964	ev_async_send (EV_P_ ev_async *w)
2718	{	2965	{
…		…
2735	once_cb (EV_P_ struct ev_once *once, int revents)	2982	once_cb (EV_P_ struct ev_once *once, int revents)
2736	{	2983	{
2737	void (cb)(int revents, void arg) = once->cb;	2984	void (cb)(int revents, void arg) = once->cb;
2738	void *arg = once->arg;	2985	void *arg = once->arg;
2739		2986
2740	ev_io_stop (EV_A_ &once->io);	2987	ev_io_stop (EV_A_ &once->io);
2741	ev_timer_stop (EV_A_ &once->to);	2988	ev_timer_stop (EV_A_ &once->to);
2742	ev_free (once);	2989	ev_free (once);
2743		2990
2744	cb (revents, arg);	2991	cb (revents, arg);
2745	}	2992	}

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Comparing libev/ev.c (file contents): Revision 1.245 by root, Wed May 21 00:26:01 2008 UTC vs. Revision 1.259 by root, Mon Sep 8 13:14:23 2008 UTC

Diff Legend

Comparing libev/ev.c (file contents):
Revision 1.245 by root, Wed May 21 00:26:01 2008 UTC vs.
Revision 1.259 by root, Mon Sep 8 13:14:23 2008 UTC