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

Comparing libev/ev.c (file contents):
Revision 1.246 by root, Wed May 21 12:51:38 2008 UTC vs.
Revision 1.262 by root, Wed Oct 1 04:25:25 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;
…		…
1662	/* has effectively asked to get triggered more often than possible */	1792	/* has effectively asked to get triggered more often than possible */
1663	if (ev_at (w) < ev_rt_now)	1793	if (ev_at (w) < ev_rt_now)
1664	ev_at (w) = ev_rt_now;	1794	ev_at (w) = ev_rt_now;
1665	}	1795	}
1666		1796
1667	ANHE_at_set (periodics [HEAP0]);	1797	ANHE_at_cache (periodics [HEAP0]);
1668	downheap (periodics, periodiccnt, HEAP0);	1798	downheap (periodics, periodiccnt, HEAP0);
1669	}	1799	}
1670	else	1800	else
1671	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */	1801	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */
1672		1802
		1803	EV_FREQUENT_CHECK;
1673	ev_feed_event (EV_A_ (W)w, EV_PERIODIC);	1804	ev_feed_event (EV_A_ (W)w, EV_PERIODIC);
1674	}	1805	}
1675	}	1806	}
1676		1807
1677	static void noinline	1808	static void noinline
…		…
1687	if (w->reschedule_cb)	1818	if (w->reschedule_cb)
1688	ev_at (w) = w->reschedule_cb (w, ev_rt_now);	1819	ev_at (w) = w->reschedule_cb (w, ev_rt_now);
1689	else if (w->interval)	1820	else if (w->interval)
1690	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;
1691		1822
1692	ANHE_at_set (periodics [i]);	1823	ANHE_at_cache (periodics [i]);
1693	}	1824	}
1694		1825
1695	/* we don't use floyds algorithm, uphead is simpler and is more cache-efficient */	1826	reheap (periodics, periodiccnt);
1696	/* also, this is easy and corretc for both 2-heaps and 4-heaps */
1697	for (i = 0; i < periodiccnt; ++i)
1698	upheap (periodics, i + HEAP0);
1699	}	1827	}
1700	#endif	1828	#endif
1701		1829
1702	void inline_speed	1830	void inline_speed
1703	time_update (EV_P_ ev_tstamp max_block)	1831	time_update (EV_P_ ev_tstamp max_block)
…		…
1761	/* 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 */
1762	for (i = 0; i < timercnt; ++i)	1890	for (i = 0; i < timercnt; ++i)
1763	{	1891	{
1764	ANHE *he = timers + i + HEAP0;	1892	ANHE *he = timers + i + HEAP0;
1765	ANHE_w (*he)->at += ev_rt_now - mn_now;	1893	ANHE_w (*he)->at += ev_rt_now - mn_now;
1766	ANHE_at_set (*he);	1894	ANHE_at_cache (*he);
1767	}	1895	}
1768	}	1896	}
1769		1897
1770	mn_now = ev_rt_now;	1898	mn_now = ev_rt_now;
1771	}	1899	}
…		…
1781	ev_unref (EV_P)	1909	ev_unref (EV_P)
1782	{	1910	{
1783	--activecnt;	1911	--activecnt;
1784	}	1912	}
1785		1913
		1914	void
		1915	ev_now_update (EV_P)
		1916	{
		1917	time_update (EV_A_ 1e100);
		1918	}
		1919
1786	static int loop_done;	1920	static int loop_done;
1787		1921
1788	void	1922	void
1789	ev_loop (EV_P_ int flags)	1923	ev_loop (EV_P_ int flags)
1790	{	1924	{
…		…
1792		1926
1793	call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */	1927	call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */
1794		1928
1795	do	1929	do
1796	{	1930	{
		1931	#if EV_VERIFY >= 2
		1932	ev_loop_verify (EV_A);
		1933	#endif
		1934
1797	#ifndef _WIN32	1935	#ifndef _WIN32
1798	if (expect_false (curpid)) /* penalise the forking check even more */	1936	if (expect_false (curpid)) /* penalise the forking check even more */
1799	if (expect_false (getpid () != curpid))	1937	if (expect_false (getpid () != curpid))
1800	{	1938	{
1801	curpid = getpid ();	1939	curpid = getpid ();
…		…
1996	if (expect_false (ev_is_active (w)))	2134	if (expect_false (ev_is_active (w)))
1997	return;	2135	return;
1998		2136
1999	assert (("ev_io_start called with negative fd", fd >= 0));	2137	assert (("ev_io_start called with negative fd", fd >= 0));
2000		2138
		2139	EV_FREQUENT_CHECK;
		2140
2001	ev_start (EV_A_ (W)w, 1);	2141	ev_start (EV_A_ (W)w, 1);
2002	array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init);	2142	array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init);
2003	wlist_add (&anfds[fd].head, (WL)w);	2143	wlist_add (&anfds[fd].head, (WL)w);
2004		2144
2005	fd_change (EV_A_ fd, w->events & EV_IOFDSET \| 1);	2145	fd_change (EV_A_ fd, w->events & EV_IOFDSET \| 1);
2006	w->events &= ~EV_IOFDSET;	2146	w->events &= ~EV_IOFDSET;
		2147
		2148	EV_FREQUENT_CHECK;
2007	}	2149	}
2008		2150
2009	void noinline	2151	void noinline
2010	ev_io_stop (EV_P_ ev_io *w)	2152	ev_io_stop (EV_P_ ev_io *w)
2011	{	2153	{
…		…
2013	if (expect_false (!ev_is_active (w)))	2155	if (expect_false (!ev_is_active (w)))
2014	return;	2156	return;
2015		2157
2016	assert (("ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));	2158	assert (("ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));
2017		2159
		2160	EV_FREQUENT_CHECK;
		2161
2018	wlist_del (&anfds[w->fd].head, (WL)w);	2162	wlist_del (&anfds[w->fd].head, (WL)w);
2019	ev_stop (EV_A_ (W)w);	2163	ev_stop (EV_A_ (W)w);
2020		2164
2021	fd_change (EV_A_ w->fd, 1);	2165	fd_change (EV_A_ w->fd, 1);
		2166
		2167	EV_FREQUENT_CHECK;
2022	}	2168	}
2023		2169
2024	void noinline	2170	void noinline
2025	ev_timer_start (EV_P_ ev_timer *w)	2171	ev_timer_start (EV_P_ ev_timer *w)
2026	{	2172	{
…		…
2029		2175
2030	ev_at (w) += mn_now;	2176	ev_at (w) += mn_now;
2031		2177
2032	assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));	2178	assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));
2033		2179
		2180	EV_FREQUENT_CHECK;
		2181
		2182	++timercnt;
2034	ev_start (EV_A_ (W)w, ++timercnt + HEAP0 - 1);	2183	ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1);
2035	array_needsize (ANHE, timers, timermax, ev_active (w) + 1, EMPTY2);	2184	array_needsize (ANHE, timers, timermax, ev_active (w) + 1, EMPTY2);
2036	ANHE_w (timers [ev_active (w)]) = (WT)w;	2185	ANHE_w (timers [ev_active (w)]) = (WT)w;
2037	ANHE_at_set (timers [ev_active (w)]);	2186	ANHE_at_cache (timers [ev_active (w)]);
2038	upheap (timers, ev_active (w));	2187	upheap (timers, ev_active (w));
		2188
		2189	EV_FREQUENT_CHECK;
2039		2190
2040	/assert (("internal timer heap corruption", timers [ev_active (w)] == (WT)w));/	2191	/assert (("internal timer heap corruption", timers [ev_active (w)] == (WT)w));/
2041	}	2192	}
2042		2193
2043	void noinline	2194	void noinline
…		…
2045	{	2196	{
2046	clear_pending (EV_A_ (W)w);	2197	clear_pending (EV_A_ (W)w);
2047	if (expect_false (!ev_is_active (w)))	2198	if (expect_false (!ev_is_active (w)))
2048	return;	2199	return;
2049		2200
		2201	EV_FREQUENT_CHECK;
		2202
2050	{	2203	{
2051	int active = ev_active (w);	2204	int active = ev_active (w);
2052		2205
2053	assert (("internal timer heap corruption", ANHE_w (timers [active]) == (WT)w));	2206	assert (("internal timer heap corruption", ANHE_w (timers [active]) == (WT)w));
2054		2207
		2208	--timercnt;
		2209
2055	if (expect_true (active < timercnt + HEAP0 - 1))	2210	if (expect_true (active < timercnt + HEAP0))
2056	{	2211	{
2057	timers [active] = timers [timercnt + HEAP0 - 1];	2212	timers [active] = timers [timercnt + HEAP0];
2058	adjustheap (timers, timercnt, active);	2213	adjustheap (timers, timercnt, active);
2059	}	2214	}
2060
2061	--timercnt;
2062	}	2215	}
		2216
		2217	EV_FREQUENT_CHECK;
2063		2218
2064	ev_at (w) -= mn_now;	2219	ev_at (w) -= mn_now;
2065		2220
2066	ev_stop (EV_A_ (W)w);	2221	ev_stop (EV_A_ (W)w);
2067	}	2222	}
2068		2223
2069	void noinline	2224	void noinline
2070	ev_timer_again (EV_P_ ev_timer *w)	2225	ev_timer_again (EV_P_ ev_timer *w)
2071	{	2226	{
		2227	EV_FREQUENT_CHECK;
		2228
2072	if (ev_is_active (w))	2229	if (ev_is_active (w))
2073	{	2230	{
2074	if (w->repeat)	2231	if (w->repeat)
2075	{	2232	{
2076	ev_at (w) = mn_now + w->repeat;	2233	ev_at (w) = mn_now + w->repeat;
2077	ANHE_at_set (timers [ev_active (w)]);	2234	ANHE_at_cache (timers [ev_active (w)]);
2078	adjustheap (timers, timercnt, ev_active (w));	2235	adjustheap (timers, timercnt, ev_active (w));
2079	}	2236	}
2080	else	2237	else
2081	ev_timer_stop (EV_A_ w);	2238	ev_timer_stop (EV_A_ w);
2082	}	2239	}
2083	else if (w->repeat)	2240	else if (w->repeat)
2084	{	2241	{
2085	ev_at (w) = w->repeat;	2242	ev_at (w) = w->repeat;
2086	ev_timer_start (EV_A_ w);	2243	ev_timer_start (EV_A_ w);
2087	}	2244	}
		2245
		2246	EV_FREQUENT_CHECK;
2088	}	2247	}
2089		2248
2090	#if EV_PERIODIC_ENABLE	2249	#if EV_PERIODIC_ENABLE
2091	void noinline	2250	void noinline
2092	ev_periodic_start (EV_P_ ev_periodic *w)	2251	ev_periodic_start (EV_P_ ev_periodic *w)
…		…
2103	ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;	2262	ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
2104	}	2263	}
2105	else	2264	else
2106	ev_at (w) = w->offset;	2265	ev_at (w) = w->offset;
2107		2266
		2267	EV_FREQUENT_CHECK;
		2268
		2269	++periodiccnt;
2108	ev_start (EV_A_ (W)w, ++periodiccnt + HEAP0 - 1);	2270	ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1);
2109	array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, EMPTY2);	2271	array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, EMPTY2);
2110	ANHE_w (periodics [ev_active (w)]) = (WT)w;	2272	ANHE_w (periodics [ev_active (w)]) = (WT)w;
2111	ANHE_at_set (periodics [ev_active (w)]);	2273	ANHE_at_cache (periodics [ev_active (w)]);
2112	upheap (periodics, ev_active (w));	2274	upheap (periodics, ev_active (w));
		2275
		2276	EV_FREQUENT_CHECK;
2113		2277
2114	/assert (("internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));/	2278	/assert (("internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));/
2115	}	2279	}
2116		2280
2117	void noinline	2281	void noinline
…		…
2119	{	2283	{
2120	clear_pending (EV_A_ (W)w);	2284	clear_pending (EV_A_ (W)w);
2121	if (expect_false (!ev_is_active (w)))	2285	if (expect_false (!ev_is_active (w)))
2122	return;	2286	return;
2123		2287
		2288	EV_FREQUENT_CHECK;
		2289
2124	{	2290	{
2125	int active = ev_active (w);	2291	int active = ev_active (w);
2126		2292
2127	assert (("internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w));	2293	assert (("internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w));
2128		2294
		2295	--periodiccnt;
		2296
2129	if (expect_true (active < periodiccnt + HEAP0 - 1))	2297	if (expect_true (active < periodiccnt + HEAP0))
2130	{	2298	{
2131	periodics [active] = periodics [periodiccnt + HEAP0 - 1];	2299	periodics [active] = periodics [periodiccnt + HEAP0];
2132	adjustheap (periodics, periodiccnt, active);	2300	adjustheap (periodics, periodiccnt, active);
2133	}	2301	}
2134
2135	--periodiccnt;
2136	}	2302	}
		2303
		2304	EV_FREQUENT_CHECK;
2137		2305
2138	ev_stop (EV_A_ (W)w);	2306	ev_stop (EV_A_ (W)w);
2139	}	2307	}
2140		2308
2141	void noinline	2309	void noinline
…		…
2161	return;	2329	return;
2162		2330
2163	assert (("ev_signal_start called with illegal signal number", w->signum > 0));	2331	assert (("ev_signal_start called with illegal signal number", w->signum > 0));
2164		2332
2165	evpipe_init (EV_A);	2333	evpipe_init (EV_A);
		2334
		2335	EV_FREQUENT_CHECK;
2166		2336
2167	{	2337	{
2168	#ifndef _WIN32	2338	#ifndef _WIN32
2169	sigset_t full, prev;	2339	sigset_t full, prev;
2170	sigfillset (&full);	2340	sigfillset (&full);
…		…
2191	sigfillset (&sa.sa_mask);	2361	sigfillset (&sa.sa_mask);
2192	sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */	2362	sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */
2193	sigaction (w->signum, &sa, 0);	2363	sigaction (w->signum, &sa, 0);
2194	#endif	2364	#endif
2195	}	2365	}
		2366
		2367	EV_FREQUENT_CHECK;
2196	}	2368	}
2197		2369
2198	void noinline	2370	void noinline
2199	ev_signal_stop (EV_P_ ev_signal *w)	2371	ev_signal_stop (EV_P_ ev_signal *w)
2200	{	2372	{
2201	clear_pending (EV_A_ (W)w);	2373	clear_pending (EV_A_ (W)w);
2202	if (expect_false (!ev_is_active (w)))	2374	if (expect_false (!ev_is_active (w)))
2203	return;	2375	return;
2204		2376
		2377	EV_FREQUENT_CHECK;
		2378
2205	wlist_del (&signals [w->signum - 1].head, (WL)w);	2379	wlist_del (&signals [w->signum - 1].head, (WL)w);
2206	ev_stop (EV_A_ (W)w);	2380	ev_stop (EV_A_ (W)w);
2207		2381
2208	if (!signals [w->signum - 1].head)	2382	if (!signals [w->signum - 1].head)
2209	signal (w->signum, SIG_DFL);	2383	signal (w->signum, SIG_DFL);
		2384
		2385	EV_FREQUENT_CHECK;
2210	}	2386	}
2211		2387
2212	void	2388	void
2213	ev_child_start (EV_P_ ev_child *w)	2389	ev_child_start (EV_P_ ev_child *w)
2214	{	2390	{
…		…
2216	assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr));	2392	assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
2217	#endif	2393	#endif
2218	if (expect_false (ev_is_active (w)))	2394	if (expect_false (ev_is_active (w)))
2219	return;	2395	return;
2220		2396
		2397	EV_FREQUENT_CHECK;
		2398
2221	ev_start (EV_A_ (W)w, 1);	2399	ev_start (EV_A_ (W)w, 1);
2222	wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);	2400	wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);
		2401
		2402	EV_FREQUENT_CHECK;
2223	}	2403	}
2224		2404
2225	void	2405	void
2226	ev_child_stop (EV_P_ ev_child *w)	2406	ev_child_stop (EV_P_ ev_child *w)
2227	{	2407	{
2228	clear_pending (EV_A_ (W)w);	2408	clear_pending (EV_A_ (W)w);
2229	if (expect_false (!ev_is_active (w)))	2409	if (expect_false (!ev_is_active (w)))
2230	return;	2410	return;
2231		2411
		2412	EV_FREQUENT_CHECK;
		2413
2232	wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);	2414	wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);
2233	ev_stop (EV_A_ (W)w);	2415	ev_stop (EV_A_ (W)w);
		2416
		2417	EV_FREQUENT_CHECK;
2234	}	2418	}
2235		2419
2236	#if EV_STAT_ENABLE	2420	#if EV_STAT_ENABLE
2237		2421
2238	# ifdef _WIN32	2422	# ifdef _WIN32
…		…
2393	}	2577	}
2394		2578
2395	}	2579	}
2396	}	2580	}
2397		2581
		2582	#endif
		2583
		2584	#ifdef _WIN32
		2585	# define EV_LSTAT(p,b) _stati64 (p, b)
		2586	#else
		2587	# define EV_LSTAT(p,b) lstat (p, b)
2398	#endif	2588	#endif
2399		2589
2400	void	2590	void
2401	ev_stat_stat (EV_P_ ev_stat *w)	2591	ev_stat_stat (EV_P_ ev_stat *w)
2402	{	2592	{
…		…
2466	else	2656	else
2467	#endif	2657	#endif
2468	ev_timer_start (EV_A_ &w->timer);	2658	ev_timer_start (EV_A_ &w->timer);
2469		2659
2470	ev_start (EV_A_ (W)w, 1);	2660	ev_start (EV_A_ (W)w, 1);
		2661
		2662	EV_FREQUENT_CHECK;
2471	}	2663	}
2472		2664
2473	void	2665	void
2474	ev_stat_stop (EV_P_ ev_stat *w)	2666	ev_stat_stop (EV_P_ ev_stat *w)
2475	{	2667	{
2476	clear_pending (EV_A_ (W)w);	2668	clear_pending (EV_A_ (W)w);
2477	if (expect_false (!ev_is_active (w)))	2669	if (expect_false (!ev_is_active (w)))
2478	return;	2670	return;
2479		2671
		2672	EV_FREQUENT_CHECK;
		2673
2480	#if EV_USE_INOTIFY	2674	#if EV_USE_INOTIFY
2481	infy_del (EV_A_ w);	2675	infy_del (EV_A_ w);
2482	#endif	2676	#endif
2483	ev_timer_stop (EV_A_ &w->timer);	2677	ev_timer_stop (EV_A_ &w->timer);
2484		2678
2485	ev_stop (EV_A_ (W)w);	2679	ev_stop (EV_A_ (W)w);
		2680
		2681	EV_FREQUENT_CHECK;
2486	}	2682	}
2487	#endif	2683	#endif
2488		2684
2489	#if EV_IDLE_ENABLE	2685	#if EV_IDLE_ENABLE
2490	void	2686	void
…		…
2492	{	2688	{
2493	if (expect_false (ev_is_active (w)))	2689	if (expect_false (ev_is_active (w)))
2494	return;	2690	return;
2495		2691
2496	pri_adjust (EV_A_ (W)w);	2692	pri_adjust (EV_A_ (W)w);
		2693
		2694	EV_FREQUENT_CHECK;
2497		2695
2498	{	2696	{
2499	int active = ++idlecnt [ABSPRI (w)];	2697	int active = ++idlecnt [ABSPRI (w)];
2500		2698
2501	++idleall;	2699	++idleall;
2502	ev_start (EV_A_ (W)w, active);	2700	ev_start (EV_A_ (W)w, active);
2503		2701
2504	array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2);	2702	array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2);
2505	idles [ABSPRI (w)][active - 1] = w;	2703	idles [ABSPRI (w)][active - 1] = w;
2506	}	2704	}
		2705
		2706	EV_FREQUENT_CHECK;
2507	}	2707	}
2508		2708
2509	void	2709	void
2510	ev_idle_stop (EV_P_ ev_idle *w)	2710	ev_idle_stop (EV_P_ ev_idle *w)
2511	{	2711	{
2512	clear_pending (EV_A_ (W)w);	2712	clear_pending (EV_A_ (W)w);
2513	if (expect_false (!ev_is_active (w)))	2713	if (expect_false (!ev_is_active (w)))
2514	return;	2714	return;
2515		2715
		2716	EV_FREQUENT_CHECK;
		2717
2516	{	2718	{
2517	int active = ev_active (w);	2719	int active = ev_active (w);
2518		2720
2519	idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]];	2721	idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]];
2520	ev_active (idles [ABSPRI (w)][active - 1]) = active;	2722	ev_active (idles [ABSPRI (w)][active - 1]) = active;
2521		2723
2522	ev_stop (EV_A_ (W)w);	2724	ev_stop (EV_A_ (W)w);
2523	--idleall;	2725	--idleall;
2524	}	2726	}
		2727
		2728	EV_FREQUENT_CHECK;
2525	}	2729	}
2526	#endif	2730	#endif
2527		2731
2528	void	2732	void
2529	ev_prepare_start (EV_P_ ev_prepare *w)	2733	ev_prepare_start (EV_P_ ev_prepare *w)
2530	{	2734	{
2531	if (expect_false (ev_is_active (w)))	2735	if (expect_false (ev_is_active (w)))
2532	return;	2736	return;
		2737
		2738	EV_FREQUENT_CHECK;
2533		2739
2534	ev_start (EV_A_ (W)w, ++preparecnt);	2740	ev_start (EV_A_ (W)w, ++preparecnt);
2535	array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2);	2741	array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2);
2536	prepares [preparecnt - 1] = w;	2742	prepares [preparecnt - 1] = w;
		2743
		2744	EV_FREQUENT_CHECK;
2537	}	2745	}
2538		2746
2539	void	2747	void
2540	ev_prepare_stop (EV_P_ ev_prepare *w)	2748	ev_prepare_stop (EV_P_ ev_prepare *w)
2541	{	2749	{
2542	clear_pending (EV_A_ (W)w);	2750	clear_pending (EV_A_ (W)w);
2543	if (expect_false (!ev_is_active (w)))	2751	if (expect_false (!ev_is_active (w)))
2544	return;	2752	return;
2545		2753
		2754	EV_FREQUENT_CHECK;
		2755
2546	{	2756	{
2547	int active = ev_active (w);	2757	int active = ev_active (w);
2548		2758
2549	prepares [active - 1] = prepares [--preparecnt];	2759	prepares [active - 1] = prepares [--preparecnt];
2550	ev_active (prepares [active - 1]) = active;	2760	ev_active (prepares [active - 1]) = active;
2551	}	2761	}
2552		2762
2553	ev_stop (EV_A_ (W)w);	2763	ev_stop (EV_A_ (W)w);
		2764
		2765	EV_FREQUENT_CHECK;
2554	}	2766	}
2555		2767
2556	void	2768	void
2557	ev_check_start (EV_P_ ev_check *w)	2769	ev_check_start (EV_P_ ev_check *w)
2558	{	2770	{
2559	if (expect_false (ev_is_active (w)))	2771	if (expect_false (ev_is_active (w)))
2560	return;	2772	return;
		2773
		2774	EV_FREQUENT_CHECK;
2561		2775
2562	ev_start (EV_A_ (W)w, ++checkcnt);	2776	ev_start (EV_A_ (W)w, ++checkcnt);
2563	array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2);	2777	array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2);
2564	checks [checkcnt - 1] = w;	2778	checks [checkcnt - 1] = w;
		2779
		2780	EV_FREQUENT_CHECK;
2565	}	2781	}
2566		2782
2567	void	2783	void
2568	ev_check_stop (EV_P_ ev_check *w)	2784	ev_check_stop (EV_P_ ev_check *w)
2569	{	2785	{
2570	clear_pending (EV_A_ (W)w);	2786	clear_pending (EV_A_ (W)w);
2571	if (expect_false (!ev_is_active (w)))	2787	if (expect_false (!ev_is_active (w)))
2572	return;	2788	return;
2573		2789
		2790	EV_FREQUENT_CHECK;
		2791
2574	{	2792	{
2575	int active = ev_active (w);	2793	int active = ev_active (w);
2576		2794
2577	checks [active - 1] = checks [--checkcnt];	2795	checks [active - 1] = checks [--checkcnt];
2578	ev_active (checks [active - 1]) = active;	2796	ev_active (checks [active - 1]) = active;
2579	}	2797	}
2580		2798
2581	ev_stop (EV_A_ (W)w);	2799	ev_stop (EV_A_ (W)w);
		2800
		2801	EV_FREQUENT_CHECK;
2582	}	2802	}
2583		2803
2584	#if EV_EMBED_ENABLE	2804	#if EV_EMBED_ENABLE
2585	void noinline	2805	void noinline
2586	ev_embed_sweep (EV_P_ ev_embed *w)	2806	ev_embed_sweep (EV_P_ ev_embed *w)
…		…
2613	ev_loop (EV_A_ EVLOOP_NONBLOCK);	2833	ev_loop (EV_A_ EVLOOP_NONBLOCK);
2614	}	2834	}
2615	}	2835	}
2616	}	2836	}
2617		2837
		2838	static void
		2839	embed_fork_cb (EV_P_ ev_fork *fork_w, int revents)
		2840	{
		2841	ev_embed w = (ev_embed )(((char *)fork_w) - offsetof (ev_embed, fork));
		2842
		2843	{
		2844	struct ev_loop *loop = w->other;
		2845
		2846	ev_loop_fork (EV_A);
		2847	}
		2848	}
		2849
2618	#if 0	2850	#if 0
2619	static void	2851	static void
2620	embed_idle_cb (EV_P_ ev_idle *idle, int revents)	2852	embed_idle_cb (EV_P_ ev_idle *idle, int revents)
2621	{	2853	{
2622	ev_idle_stop (EV_A_ idle);	2854	ev_idle_stop (EV_A_ idle);
…		…
2633	struct ev_loop *loop = w->other;	2865	struct ev_loop *loop = w->other;
2634	assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ()));	2866	assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ()));
2635	ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ);	2867	ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ);
2636	}	2868	}
2637		2869
		2870	EV_FREQUENT_CHECK;
		2871
2638	ev_set_priority (&w->io, ev_priority (w));	2872	ev_set_priority (&w->io, ev_priority (w));
2639	ev_io_start (EV_A_ &w->io);	2873	ev_io_start (EV_A_ &w->io);
2640		2874
2641	ev_prepare_init (&w->prepare, embed_prepare_cb);	2875	ev_prepare_init (&w->prepare, embed_prepare_cb);
2642	ev_set_priority (&w->prepare, EV_MINPRI);	2876	ev_set_priority (&w->prepare, EV_MINPRI);
2643	ev_prepare_start (EV_A_ &w->prepare);	2877	ev_prepare_start (EV_A_ &w->prepare);
2644		2878
		2879	ev_fork_init (&w->fork, embed_fork_cb);
		2880	ev_fork_start (EV_A_ &w->fork);
		2881
2645	/ev_idle_init (&w->idle, e,bed_idle_cb);/	2882	/ev_idle_init (&w->idle, e,bed_idle_cb);/
2646		2883
2647	ev_start (EV_A_ (W)w, 1);	2884	ev_start (EV_A_ (W)w, 1);
		2885
		2886	EV_FREQUENT_CHECK;
2648	}	2887	}
2649		2888
2650	void	2889	void
2651	ev_embed_stop (EV_P_ ev_embed *w)	2890	ev_embed_stop (EV_P_ ev_embed *w)
2652	{	2891	{
2653	clear_pending (EV_A_ (W)w);	2892	clear_pending (EV_A_ (W)w);
2654	if (expect_false (!ev_is_active (w)))	2893	if (expect_false (!ev_is_active (w)))
2655	return;	2894	return;
2656		2895
		2896	EV_FREQUENT_CHECK;
		2897
2657	ev_io_stop (EV_A_ &w->io);	2898	ev_io_stop (EV_A_ &w->io);
2658	ev_prepare_stop (EV_A_ &w->prepare);	2899	ev_prepare_stop (EV_A_ &w->prepare);
		2900	ev_fork_stop (EV_A_ &w->fork);
2659		2901
2660	ev_stop (EV_A_ (W)w);	2902	EV_FREQUENT_CHECK;
2661	}	2903	}
2662	#endif	2904	#endif
2663		2905
2664	#if EV_FORK_ENABLE	2906	#if EV_FORK_ENABLE
2665	void	2907	void
2666	ev_fork_start (EV_P_ ev_fork *w)	2908	ev_fork_start (EV_P_ ev_fork *w)
2667	{	2909	{
2668	if (expect_false (ev_is_active (w)))	2910	if (expect_false (ev_is_active (w)))
2669	return;	2911	return;
		2912
		2913	EV_FREQUENT_CHECK;
2670		2914
2671	ev_start (EV_A_ (W)w, ++forkcnt);	2915	ev_start (EV_A_ (W)w, ++forkcnt);
2672	array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2);	2916	array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2);
2673	forks [forkcnt - 1] = w;	2917	forks [forkcnt - 1] = w;
		2918
		2919	EV_FREQUENT_CHECK;
2674	}	2920	}
2675		2921
2676	void	2922	void
2677	ev_fork_stop (EV_P_ ev_fork *w)	2923	ev_fork_stop (EV_P_ ev_fork *w)
2678	{	2924	{
2679	clear_pending (EV_A_ (W)w);	2925	clear_pending (EV_A_ (W)w);
2680	if (expect_false (!ev_is_active (w)))	2926	if (expect_false (!ev_is_active (w)))
2681	return;	2927	return;
2682		2928
		2929	EV_FREQUENT_CHECK;
		2930
2683	{	2931	{
2684	int active = ev_active (w);	2932	int active = ev_active (w);
2685		2933
2686	forks [active - 1] = forks [--forkcnt];	2934	forks [active - 1] = forks [--forkcnt];
2687	ev_active (forks [active - 1]) = active;	2935	ev_active (forks [active - 1]) = active;
2688	}	2936	}
2689		2937
2690	ev_stop (EV_A_ (W)w);	2938	ev_stop (EV_A_ (W)w);
		2939
		2940	EV_FREQUENT_CHECK;
2691	}	2941	}
2692	#endif	2942	#endif
2693		2943
2694	#if EV_ASYNC_ENABLE	2944	#if EV_ASYNC_ENABLE
2695	void	2945	void
…		…
2697	{	2947	{
2698	if (expect_false (ev_is_active (w)))	2948	if (expect_false (ev_is_active (w)))
2699	return;	2949	return;
2700		2950
2701	evpipe_init (EV_A);	2951	evpipe_init (EV_A);
		2952
		2953	EV_FREQUENT_CHECK;
2702		2954
2703	ev_start (EV_A_ (W)w, ++asynccnt);	2955	ev_start (EV_A_ (W)w, ++asynccnt);
2704	array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2);	2956	array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2);
2705	asyncs [asynccnt - 1] = w;	2957	asyncs [asynccnt - 1] = w;
		2958
		2959	EV_FREQUENT_CHECK;
2706	}	2960	}
2707		2961
2708	void	2962	void
2709	ev_async_stop (EV_P_ ev_async *w)	2963	ev_async_stop (EV_P_ ev_async *w)
2710	{	2964	{
2711	clear_pending (EV_A_ (W)w);	2965	clear_pending (EV_A_ (W)w);
2712	if (expect_false (!ev_is_active (w)))	2966	if (expect_false (!ev_is_active (w)))
2713	return;	2967	return;
2714		2968
		2969	EV_FREQUENT_CHECK;
		2970
2715	{	2971	{
2716	int active = ev_active (w);	2972	int active = ev_active (w);
2717		2973
2718	asyncs [active - 1] = asyncs [--asynccnt];	2974	asyncs [active - 1] = asyncs [--asynccnt];
2719	ev_active (asyncs [active - 1]) = active;	2975	ev_active (asyncs [active - 1]) = active;
2720	}	2976	}
2721		2977
2722	ev_stop (EV_A_ (W)w);	2978	ev_stop (EV_A_ (W)w);
		2979
		2980	EV_FREQUENT_CHECK;
2723	}	2981	}
2724		2982
2725	void	2983	void
2726	ev_async_send (EV_P_ ev_async *w)	2984	ev_async_send (EV_P_ ev_async *w)
2727	{	2985	{
…		…
2744	once_cb (EV_P_ struct ev_once *once, int revents)	3002	once_cb (EV_P_ struct ev_once *once, int revents)
2745	{	3003	{
2746	void (cb)(int revents, void arg) = once->cb;	3004	void (cb)(int revents, void arg) = once->cb;
2747	void *arg = once->arg;	3005	void *arg = once->arg;
2748		3006
2749	ev_io_stop (EV_A_ &once->io);	3007	ev_io_stop (EV_A_ &once->io);
2750	ev_timer_stop (EV_A_ &once->to);	3008	ev_timer_stop (EV_A_ &once->to);
2751	ev_free (once);	3009	ev_free (once);
2752		3010
2753	cb (revents, arg);	3011	cb (revents, arg);
2754	}	3012	}
2755		3013
2756	static void	3014	static void
2757	once_cb_io (EV_P_ ev_io *w, int revents)	3015	once_cb_io (EV_P_ ev_io *w, int revents)
2758	{	3016	{
2759	once_cb (EV_A_ (struct ev_once )(((char )w) - offsetof (struct ev_once, io)), revents);	3017	struct ev_once once = (struct ev_once )(((char *)w) - offsetof (struct ev_once, io));
		3018
		3019	once_cb (EV_A_ once, revents \| ev_clear_pending (EV_A_ &once->to));
2760	}	3020	}
2761		3021
2762	static void	3022	static void
2763	once_cb_to (EV_P_ ev_timer *w, int revents)	3023	once_cb_to (EV_P_ ev_timer *w, int revents)
2764	{	3024	{
2765	once_cb (EV_A_ (struct ev_once )(((char )w) - offsetof (struct ev_once, to)), revents);	3025	struct ev_once once = (struct ev_once )(((char *)w) - offsetof (struct ev_once, to));
		3026
		3027	once_cb (EV_A_ once, revents \| ev_clear_pending (EV_A_ &once->io));
2766	}	3028	}
2767		3029
2768	void	3030	void
2769	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (cb)(int revents, void arg), void *arg)	3031	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (cb)(int revents, void arg), void *arg)
2770	{	3032	{

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Comparing libev/ev.c (file contents): Revision 1.246 by root, Wed May 21 12:51:38 2008 UTC vs. Revision 1.262 by root, Wed Oct 1 04:25:25 2008 UTC

Diff Legend

Comparing libev/ev.c (file contents):
Revision 1.246 by root, Wed May 21 12:51:38 2008 UTC vs.
Revision 1.262 by root, Wed Oct 1 04:25:25 2008 UTC