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

Comparing libev/ev.c (file contents):
Revision 1.242 by root, Fri May 9 14:07:19 2008 UTC vs.
Revision 1.254 by root, Wed Jun 4 20:26:55 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>
…		…
164	#endif	164	#endif
165		165
166	/* this block tries to deduce configuration from header-defined symbols and defaults */	166	/* this block tries to deduce configuration from header-defined symbols and defaults */
167		167
168	#ifndef EV_USE_MONOTONIC	168	#ifndef EV_USE_MONOTONIC
		169	# if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0
		170	# define EV_USE_MONOTONIC 1
		171	# else
169	# define EV_USE_MONOTONIC 0	172	# define EV_USE_MONOTONIC 0
		173	# endif
170	#endif	174	#endif
171		175
172	#ifndef EV_USE_REALTIME	176	#ifndef EV_USE_REALTIME
173	# define EV_USE_REALTIME 0	177	# define EV_USE_REALTIME 0
174	#endif	178	#endif
175		179
176	#ifndef EV_USE_NANOSLEEP	180	#ifndef EV_USE_NANOSLEEP
		181	# if _POSIX_C_SOURCE >= 199309L
		182	# define EV_USE_NANOSLEEP 1
		183	# else
177	# define EV_USE_NANOSLEEP 0	184	# define EV_USE_NANOSLEEP 0
		185	# endif
178	#endif	186	#endif
179		187
180	#ifndef EV_USE_SELECT	188	#ifndef EV_USE_SELECT
181	# define EV_USE_SELECT 1	189	# define EV_USE_SELECT 1
182	#endif	190	#endif
…		…
233	# if __linux && (__GLIBC__ > 2 \|\| (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7))	241	# if __linux && (__GLIBC__ > 2 \|\| (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7))
234	# define EV_USE_EVENTFD 1	242	# define EV_USE_EVENTFD 1
235	# else	243	# else
236	# define EV_USE_EVENTFD 0	244	# define EV_USE_EVENTFD 0
237	# endif	245	# endif
		246	#endif
		247
		248	#if 0 /* debugging */
		249	# define EV_VERIFY 3
		250	# define EV_USE_4HEAP 1
		251	# define EV_HEAP_CACHE_AT 1
		252	#endif
		253
		254	#ifndef EV_VERIFY
		255	# define EV_VERIFY !EV_MINIMAL
		256	#endif
		257
		258	#ifndef EV_USE_4HEAP
		259	# define EV_USE_4HEAP !EV_MINIMAL
		260	#endif
		261
		262	#ifndef EV_HEAP_CACHE_AT
		263	# define EV_HEAP_CACHE_AT !EV_MINIMAL
238	#endif	264	#endif
239		265
240	/* this block fixes any misconfiguration where we know we run into trouble otherwise */	266	/* this block fixes any misconfiguration where we know we run into trouble otherwise */
241		267
242	#ifndef CLOCK_MONOTONIC	268	#ifndef CLOCK_MONOTONIC
…		…
279	}	305	}
280	# endif	306	# endif
281	#endif	307	#endif
282		308
283	/**/	309	/**/
		310
		311	#if EV_VERIFY >= 3
		312	# define EV_FREQUENT_CHECK ev_loop_verify (EV_A)
		313	#else
		314	# define EV_FREQUENT_CHECK do { } while (0)
		315	#endif
284		316
285	/*	317	/*
286	* This is used to avoid floating point rounding problems.	318	* This is used to avoid floating point rounding problems.
287	* It is added to ev_rt_now when scheduling periodics	319	* It is added to ev_rt_now when scheduling periodics
288	* to ensure progress, time-wise, even when rounding	320	* to ensure progress, time-wise, even when rounding
…		…
430	WL head;	462	WL head;
431	} ANFS;	463	} ANFS;
432	#endif	464	#endif
433		465
434	/* Heap Entry */	466	/* Heap Entry */
435	#define EV_HEAP_CACHE_AT 0
436	#if EV_HEAP_CACHE_AT	467	#if EV_HEAP_CACHE_AT
437	typedef struct {	468	typedef struct {
		469	ev_tstamp at;
438	WT w;	470	WT w;
439	ev_tstamp at;
440	} ANHE;	471	} ANHE;
441		472
442	#define ANHE_w(he) (he).w /* access watcher, read-write */	473	#define ANHE_w(he) (he).w /* access watcher, read-write */
443	#define ANHE_at(he) (he).at /* access cached at, read-only */	474	#define ANHE_at(he) (he).at /* access cached at, read-only */
444	#define ANHE_at_set(he) (he).at = (he).w->at /* update at from watcher */	475	#define ANHE_at_cache(he) (he).at = (he).w->at /* update at from watcher */
445	#else	476	#else
446	typedef WT ANHE;	477	typedef WT ANHE;
447		478
448	#define ANHE_w(he) (he)	479	#define ANHE_w(he) (he)
449	#define ANHE_at(he) (he)->at	480	#define ANHE_at(he) (he)->at
450	#define ANHE_at_set(he)	481	#define ANHE_at_cache(he)
451	#endif	482	#endif
452		483
453	#if EV_MULTIPLICITY	484	#if EV_MULTIPLICITY
454		485
455	struct ev_loop	486	struct ev_loop
…		…
676	events \|= (unsigned char)w->events;	707	events \|= (unsigned char)w->events;
677		708
678	#if EV_SELECT_IS_WINSOCKET	709	#if EV_SELECT_IS_WINSOCKET
679	if (events)	710	if (events)
680	{	711	{
681	unsigned long argp;	712	unsigned long arg;
682	#ifdef EV_FD_TO_WIN32_HANDLE	713	#ifdef EV_FD_TO_WIN32_HANDLE
683	anfd->handle = EV_FD_TO_WIN32_HANDLE (fd);	714	anfd->handle = EV_FD_TO_WIN32_HANDLE (fd);
684	#else	715	#else
685	anfd->handle = _get_osfhandle (fd);	716	anfd->handle = _get_osfhandle (fd);
686	#endif	717	#endif
687	assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0));	718	assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0));
688	}	719	}
689	#endif	720	#endif
690		721
691	{	722	{
692	unsigned char o_events = anfd->events;	723	unsigned char o_events = anfd->events;
…		…
745	{	776	{
746	int fd;	777	int fd;
747		778
748	for (fd = 0; fd < anfdmax; ++fd)	779	for (fd = 0; fd < anfdmax; ++fd)
749	if (anfds [fd].events)	780	if (anfds [fd].events)
750	if (!fd_valid (fd) == -1 && errno == EBADF)	781	if (!fd_valid (fd) && errno == EBADF)
751	fd_kill (EV_A_ fd);	782	fd_kill (EV_A_ fd);
752	}	783	}
753		784
754	/* called on ENOMEM in select/poll to kill some fds and retry */	785	/* called on ENOMEM in select/poll to kill some fds and retry */
755	static void noinline	786	static void noinline
…		…
791	* at the moment we allow libev the luxury of two heaps,	822	* at the moment we allow libev the luxury of two heaps,
792	* a small-code-size 2-heap one and a ~1.5kb larger 4-heap	823	* a small-code-size 2-heap one and a ~1.5kb larger 4-heap
793	* which is more cache-efficient.	824	* which is more cache-efficient.
794	* the difference is about 5% with 50000+ watchers.	825	* the difference is about 5% with 50000+ watchers.
795	*/	826	*/
796	#define EV_USE_4HEAP !EV_MINIMAL
797	#if EV_USE_4HEAP	827	#if EV_USE_4HEAP
798		828
799	#define DHEAP 4	829	#define DHEAP 4
800	#define HEAP0 (DHEAP - 1) /* index of first element in heap */	830	#define HEAP0 (DHEAP - 1) /* index of first element in heap */
801		831	#define HPARENT(k) ((((k) - HEAP0 - 1) / DHEAP) + HEAP0)
802	/* towards the root */	832	#define UPHEAP_DONE(p,k) ((p) == (k))
803	void inline_speed
804	upheap (ANHE *heap, int k)
805	{
806	ANHE he = heap [k];
807
808	for (;;)
809	{
810	int p = ((k - HEAP0 - 1) / DHEAP) + HEAP0;
811
812	if (p == k \|\| ANHE_at (heap [p]) <= ANHE_at (he))
813	break;
814
815	heap [k] = heap [p];
816	ev_active (ANHE_w (heap [k])) = k;
817	k = p;
818	}
819
820	ev_active (ANHE_w (he)) = k;
821	heap [k] = he;
822	}
823		833
824	/* away from the root */	834	/* away from the root */
825	void inline_speed	835	void inline_speed
826	downheap (ANHE *heap, int N, int k)	836	downheap (ANHE *heap, int N, int k)
827	{	837	{
…		…
830		840
831	for (;;)	841	for (;;)
832	{	842	{
833	ev_tstamp minat;	843	ev_tstamp minat;
834	ANHE *minpos;	844	ANHE *minpos;
835	ANHE pos = heap + DHEAP (k - HEAP0) + HEAP0;	845	ANHE pos = heap + DHEAP (k - HEAP0) + HEAP0 + 1;
836		846
837	// find minimum child	847	/* find minimum child */
838	if (expect_true (pos + DHEAP - 1 < E))	848	if (expect_true (pos + DHEAP - 1 < E))
839	{	849	{
840	/* fast path / (minpos = pos + 0), (minat = ANHE_at (minpos));	850	/* fast path / (minpos = pos + 0), (minat = ANHE_at (minpos));
841	if (ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos));	851	if ( ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos));
842	if (ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos));	852	if ( ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos));
843	if (ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos));	853	if ( ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos));
844	}	854	}
845	else if (pos < E)	855	else if (pos < E)
846	{	856	{
847	/* slow path / (minpos = pos + 0), (minat = ANHE_at (minpos));	857	/* slow path / (minpos = pos + 0), (minat = ANHE_at (minpos));
848	if (pos + 1 < E && ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos));	858	if (pos + 1 < E && ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos));
…		…
853	break;	863	break;
854		864
855	if (ANHE_at (he) <= minat)	865	if (ANHE_at (he) <= minat)
856	break;	866	break;
857		867
		868	heap [k] = *minpos;
858	ev_active (ANHE_w (*minpos)) = k;	869	ev_active (ANHE_w (*minpos)) = k;
859	heap [k] = *minpos;
860		870
861	k = minpos - heap;	871	k = minpos - heap;
862	}	872	}
863		873
		874	heap [k] = he;
864	ev_active (ANHE_w (he)) = k;	875	ev_active (ANHE_w (he)) = k;
865	heap [k] = he;
866	}	876	}
867		877
868	#else // 4HEAP	878	#else /* 4HEAP */
869		879
870	#define HEAP0 1	880	#define HEAP0 1
871		881	#define HPARENT(k) ((k) >> 1)
872	/* towards the root */	882	#define UPHEAP_DONE(p,k) (!(p))
873	void inline_speed
874	upheap (ANHE *heap, int k)
875	{
876	ANHE he = heap [k];
877
878	for (;;)
879	{
880	int p = k >> 1;
881
882	/* maybe we could use a dummy element at heap [0]? */
883	if (!p \|\| ANHE_at (heap [p]) <= ANHE_at (he))
884	break;
885
886	heap [k] = heap [p];
887	ev_active (ANHE_w (heap [k])) = k;
888	k = p;
889	}
890
891	heap [k] = w;
892	ev_active (ANHE_w (heap [k])) = k;
893	}
894		883
895	/* away from the root */	884	/* away from the root */
896	void inline_speed	885	void inline_speed
897	downheap (ANHE *heap, int N, int k)	886	downheap (ANHE *heap, int N, int k)
898	{	887	{
…		…
900		889
901	for (;;)	890	for (;;)
902	{	891	{
903	int c = k << 1;	892	int c = k << 1;
904		893
905	if (c > N)	894	if (c > N + HEAP0 - 1)
906	break;	895	break;
907		896
908	c += c + 1 < N && ANHE_at (heap [c]) > ANHE_at (heap [c + 1])	897	c += c + 1 < N + HEAP0 && ANHE_at (heap [c]) > ANHE_at (heap [c + 1])
909	? 1 : 0;	898	? 1 : 0;
910		899
911	if (w->at <= ANHE_at (heap [c]))	900	if (ANHE_at (he) <= ANHE_at (heap [c]))
912	break;	901	break;
913		902
914	heap [k] = heap [c];	903	heap [k] = heap [c];
915	ev_active (ANHE_w (heap [k])) = k;	904	ev_active (ANHE_w (heap [k])) = k;
916		905
…		…
920	heap [k] = he;	909	heap [k] = he;
921	ev_active (ANHE_w (he)) = k;	910	ev_active (ANHE_w (he)) = k;
922	}	911	}
923	#endif	912	#endif
924		913
		914	/* towards the root */
		915	void inline_speed
		916	upheap (ANHE *heap, int k)
		917	{
		918	ANHE he = heap [k];
		919
		920	for (;;)
		921	{
		922	int p = HPARENT (k);
		923
		924	if (UPHEAP_DONE (p, k) \|\| ANHE_at (heap [p]) <= ANHE_at (he))
		925	break;
		926
		927	heap [k] = heap [p];
		928	ev_active (ANHE_w (heap [k])) = k;
		929	k = p;
		930	}
		931
		932	heap [k] = he;
		933	ev_active (ANHE_w (he)) = k;
		934	}
		935
925	void inline_size	936	void inline_size
926	adjustheap (ANHE *heap, int N, int k)	937	adjustheap (ANHE *heap, int N, int k)
927	{	938	{
		939	if (k > HEAP0 && ANHE_at (heap [HPARENT (k)]) >= ANHE_at (heap [k]))
928	upheap (heap, k);	940	upheap (heap, k);
		941	else
929	downheap (heap, N, k);	942	downheap (heap, N, k);
		943	}
		944
		945	/* rebuild the heap: this function is used only once and executed rarely */
		946	void inline_size
		947	reheap (ANHE *heap, int N)
		948	{
		949	int i;
		950
		951	/* we don't use floyds algorithm, upheap is simpler and is more cache-efficient */
		952	/* also, this is easy to implement and correct for both 2-heaps and 4-heaps */
		953	for (i = 0; i < N; ++i)
		954	upheap (heap, i + HEAP0);
930	}	955	}
931		956
932	/*****************************************************************************/	957	/*****************************************************************************/
933		958
934	typedef struct	959	typedef struct
…		…
958		983
959	void inline_speed	984	void inline_speed
960	fd_intern (int fd)	985	fd_intern (int fd)
961	{	986	{
962	#ifdef _WIN32	987	#ifdef _WIN32
963	int arg = 1;	988	unsigned long arg = 1;
964	ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg);	989	ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg);
965	#else	990	#else
966	fcntl (fd, F_SETFD, FD_CLOEXEC);	991	fcntl (fd, F_SETFD, FD_CLOEXEC);
967	fcntl (fd, F_SETFL, O_NONBLOCK);	992	fcntl (fd, F_SETFL, O_NONBLOCK);
968	#endif	993	#endif
…		…
1452		1477
1453	postfork = 0;	1478	postfork = 0;
1454	}	1479	}
1455		1480
1456	#if EV_MULTIPLICITY	1481	#if EV_MULTIPLICITY
		1482
1457	struct ev_loop *	1483	struct ev_loop *
1458	ev_loop_new (unsigned int flags)	1484	ev_loop_new (unsigned int flags)
1459	{	1485	{
1460	struct ev_loop loop = (struct ev_loop )ev_malloc (sizeof (struct ev_loop));	1486	struct ev_loop loop = (struct ev_loop )ev_malloc (sizeof (struct ev_loop));
1461		1487
…		…
1479	void	1505	void
1480	ev_loop_fork (EV_P)	1506	ev_loop_fork (EV_P)
1481	{	1507	{
1482	postfork = 1; /* must be in line with ev_default_fork */	1508	postfork = 1; /* must be in line with ev_default_fork */
1483	}	1509	}
		1510
		1511	#if EV_VERIFY
		1512	void noinline
		1513	verify_watcher (EV_P_ W w)
		1514	{
		1515	assert (("watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI));
		1516
		1517	if (w->pending)
		1518	assert (("pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w));
		1519	}
		1520
		1521	static void noinline
		1522	verify_heap (EV_P_ ANHE *heap, int N)
		1523	{
		1524	int i;
		1525
		1526	for (i = HEAP0; i < N + HEAP0; ++i)
		1527	{
		1528	assert (("active index mismatch in heap", ev_active (ANHE_w (heap [i])) == i));
		1529	assert (("heap condition violated", i == HEAP0 \|\| ANHE_at (heap [HPARENT (i)]) <= ANHE_at (heap [i])));
		1530	assert (("heap at cache mismatch", ANHE_at (heap [i]) == ev_at (ANHE_w (heap [i]))));
		1531
		1532	verify_watcher (EV_A_ (W)ANHE_w (heap [i]));
		1533	}
		1534	}
		1535
		1536	static void noinline
		1537	array_verify (EV_P_ W *ws, int cnt)
		1538	{
		1539	while (cnt--)
		1540	{
		1541	assert (("active index mismatch", ev_active (ws [cnt]) == cnt + 1));
		1542	verify_watcher (EV_A_ ws [cnt]);
		1543	}
		1544	}
		1545	#endif
		1546
		1547	void
		1548	ev_loop_verify (EV_P)
		1549	{
		1550	#if EV_VERIFY
		1551	int i;
		1552	WL w;
		1553
		1554	assert (activecnt >= -1);
		1555
		1556	assert (fdchangemax >= fdchangecnt);
		1557	for (i = 0; i < fdchangecnt; ++i)
		1558	assert (("negative fd in fdchanges", fdchanges [i] >= 0));
		1559
		1560	assert (anfdmax >= 0);
		1561	for (i = 0; i < anfdmax; ++i)
		1562	for (w = anfds [i].head; w; w = w->next)
		1563	{
		1564	verify_watcher (EV_A_ (W)w);
		1565	assert (("inactive fd watcher on anfd list", ev_active (w) == 1));
		1566	assert (("fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i));
		1567	}
		1568
		1569	assert (timermax >= timercnt);
		1570	verify_heap (EV_A_ timers, timercnt);
		1571
		1572	#if EV_PERIODIC_ENABLE
		1573	assert (periodicmax >= periodiccnt);
		1574	verify_heap (EV_A_ periodics, periodiccnt);
		1575	#endif
		1576
		1577	for (i = NUMPRI; i--; )
		1578	{
		1579	assert (pendingmax [i] >= pendingcnt [i]);
		1580	#if EV_IDLE_ENABLE
		1581	assert (idleall >= 0);
		1582	assert (idlemax [i] >= idlecnt [i]);
		1583	array_verify (EV_A_ (W *)idles [i], idlecnt [i]);
		1584	#endif
		1585	}
		1586
		1587	#if EV_FORK_ENABLE
		1588	assert (forkmax >= forkcnt);
		1589	array_verify (EV_A_ (W *)forks, forkcnt);
		1590	#endif
		1591
		1592	#if EV_ASYNC_ENABLE
		1593	assert (asyncmax >= asynccnt);
		1594	array_verify (EV_A_ (W *)asyncs, asynccnt);
		1595	#endif
		1596
		1597	assert (preparemax >= preparecnt);
		1598	array_verify (EV_A_ (W *)prepares, preparecnt);
		1599
		1600	assert (checkmax >= checkcnt);
		1601	array_verify (EV_A_ (W *)checks, checkcnt);
		1602
		1603	# if 0
		1604	for (w = (ev_child )childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child )((WL)w)->next)
		1605	for (signum = signalmax; signum--; ) if (signals [signum].gotsig)
1484	#endif	1606	# endif
		1607	#endif
		1608	}
		1609
		1610	#endif /* multiplicity */
1485		1611
1486	#if EV_MULTIPLICITY	1612	#if EV_MULTIPLICITY
1487	struct ev_loop *	1613	struct ev_loop *
1488	ev_default_loop_init (unsigned int flags)	1614	ev_default_loop_init (unsigned int flags)
1489	#else	1615	#else
…		…
1565	{	1691	{
1566	/assert (("non-pending watcher on pending list", p->w->pending));/	1692	/assert (("non-pending watcher on pending list", p->w->pending));/
1567		1693
1568	p->w->pending = 0;	1694	p->w->pending = 0;
1569	EV_CB_INVOKE (p->w, p->events);	1695	EV_CB_INVOKE (p->w, p->events);
		1696	EV_FREQUENT_CHECK;
1570	}	1697	}
1571	}	1698	}
1572	}	1699	}
1573		1700
1574	#if EV_IDLE_ENABLE	1701	#if EV_IDLE_ENABLE
…		…
1595	#endif	1722	#endif
1596		1723
1597	void inline_size	1724	void inline_size
1598	timers_reify (EV_P)	1725	timers_reify (EV_P)
1599	{	1726	{
		1727	EV_FREQUENT_CHECK;
		1728
1600	while (timercnt && ANHE_at (timers [HEAP0]) <= mn_now)	1729	while (timercnt && ANHE_at (timers [HEAP0]) < mn_now)
1601	{	1730	{
1602	ev_timer w = (ev_timer )ANHE_w (timers [HEAP0]);	1731	ev_timer w = (ev_timer )ANHE_w (timers [HEAP0]);
1603		1732
1604	/assert (("inactive timer on timer heap detected", ev_is_active (w)));/	1733	/assert (("inactive timer on timer heap detected", ev_is_active (w)));/
1605		1734
1606	/* first reschedule or stop timer */	1735	/* first reschedule or stop timer */
1607	if (w->repeat)	1736	if (w->repeat)
1608	{	1737	{
1609	assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));
1610
1611	ev_at (w) += w->repeat;	1738	ev_at (w) += w->repeat;
1612	if (ev_at (w) < mn_now)	1739	if (ev_at (w) < mn_now)
1613	ev_at (w) = mn_now;	1740	ev_at (w) = mn_now;
1614		1741
		1742	assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));
		1743
1615	ANHE_at_set (timers [HEAP0]);	1744	ANHE_at_cache (timers [HEAP0]);
1616	downheap (timers, timercnt, HEAP0);	1745	downheap (timers, timercnt, HEAP0);
1617	}	1746	}
1618	else	1747	else
1619	ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */	1748	ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */
1620		1749
		1750	EV_FREQUENT_CHECK;
1621	ev_feed_event (EV_A_ (W)w, EV_TIMEOUT);	1751	ev_feed_event (EV_A_ (W)w, EV_TIMEOUT);
1622	}	1752	}
1623	}	1753	}
1624		1754
1625	#if EV_PERIODIC_ENABLE	1755	#if EV_PERIODIC_ENABLE
1626	void inline_size	1756	void inline_size
1627	periodics_reify (EV_P)	1757	periodics_reify (EV_P)
1628	{	1758	{
		1759	EV_FREQUENT_CHECK;
		1760
1629	while (periodiccnt && ANHE_at (periodics [HEAP0]) <= ev_rt_now)	1761	while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)
1630	{	1762	{
1631	ev_periodic w = (ev_periodic )ANHE_w (periodics [HEAP0]);	1763	ev_periodic w = (ev_periodic )ANHE_w (periodics [HEAP0]);
1632		1764
1633	/assert (("inactive timer on periodic heap detected", ev_is_active (w)));/	1765	/assert (("inactive timer on periodic heap detected", ev_is_active (w)));/
1634		1766
1635	/* first reschedule or stop timer */	1767	/* first reschedule or stop timer */
1636	if (w->reschedule_cb)	1768	if (w->reschedule_cb)
1637	{	1769	{
1638	ev_at (w) = w->reschedule_cb (w, ev_rt_now + TIME_EPSILON);	1770	ev_at (w) = w->reschedule_cb (w, ev_rt_now);
		1771
1639	assert (("ev_periodic reschedule callback returned time in the past", ev_at (w) > ev_rt_now));	1772	assert (("ev_periodic reschedule callback returned time in the past", ev_at (w) >= ev_rt_now));
		1773
1640	ANHE_at_set (periodics [HEAP0]);	1774	ANHE_at_cache (periodics [HEAP0]);
1641	downheap (periodics, periodiccnt, HEAP0);	1775	downheap (periodics, periodiccnt, HEAP0);
1642	}	1776	}
1643	else if (w->interval)	1777	else if (w->interval)
1644	{	1778	{
1645	ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;	1779	ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
		1780	/* if next trigger time is not sufficiently in the future, put it there */
		1781	/* this might happen because of floating point inexactness */
1646	if (ev_at (w) - ev_rt_now <= TIME_EPSILON) ev_at (w) += w->interval;	1782	if (ev_at (w) - ev_rt_now < TIME_EPSILON)
1647	assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ev_at (w) > ev_rt_now));	1783	{
		1784	ev_at (w) += w->interval;
		1785
		1786	/* if interval is unreasonably low we might still have a time in the past */
		1787	/* so correct this. this will make the periodic very inexact, but the user */
		1788	/* has effectively asked to get triggered more often than possible */
		1789	if (ev_at (w) < ev_rt_now)
		1790	ev_at (w) = ev_rt_now;
		1791	}
		1792
1648	ANHE_at_set (periodics [HEAP0]);	1793	ANHE_at_cache (periodics [HEAP0]);
1649	downheap (periodics, periodiccnt, HEAP0);	1794	downheap (periodics, periodiccnt, HEAP0);
1650	}	1795	}
1651	else	1796	else
1652	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */	1797	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */
1653		1798
		1799	EV_FREQUENT_CHECK;
1654	ev_feed_event (EV_A_ (W)w, EV_PERIODIC);	1800	ev_feed_event (EV_A_ (W)w, EV_PERIODIC);
1655	}	1801	}
1656	}	1802	}
1657		1803
1658	static void noinline	1804	static void noinline
…		…
1668	if (w->reschedule_cb)	1814	if (w->reschedule_cb)
1669	ev_at (w) = w->reschedule_cb (w, ev_rt_now);	1815	ev_at (w) = w->reschedule_cb (w, ev_rt_now);
1670	else if (w->interval)	1816	else if (w->interval)
1671	ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;	1817	ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
1672		1818
1673	ANHE_at_set (periodics [i]);	1819	ANHE_at_cache (periodics [i]);
1674	}	1820	}
1675		1821
1676	/* now rebuild the heap, this for the 2-heap, inefficient for the 4-heap, but correct */
1677	for (i = periodiccnt >> 1; --i; )
1678	downheap (periodics, periodiccnt, i + HEAP0);	1822	reheap (periodics, periodiccnt);
1679	}	1823	}
1680	#endif	1824	#endif
1681		1825
1682	void inline_speed	1826	void inline_speed
1683	time_update (EV_P_ ev_tstamp max_block)	1827	time_update (EV_P_ ev_tstamp max_block)
…		…
1741	/* adjust timers. this is easy, as the offset is the same for all of them */	1885	/* adjust timers. this is easy, as the offset is the same for all of them */
1742	for (i = 0; i < timercnt; ++i)	1886	for (i = 0; i < timercnt; ++i)
1743	{	1887	{
1744	ANHE *he = timers + i + HEAP0;	1888	ANHE *he = timers + i + HEAP0;
1745	ANHE_w (*he)->at += ev_rt_now - mn_now;	1889	ANHE_w (*he)->at += ev_rt_now - mn_now;
1746	ANHE_at_set (*he);	1890	ANHE_at_cache (*he);
1747	}	1891	}
1748	}	1892	}
1749		1893
1750	mn_now = ev_rt_now;	1894	mn_now = ev_rt_now;
1751	}	1895	}
…		…
1772		1916
1773	call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */	1917	call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */
1774		1918
1775	do	1919	do
1776	{	1920	{
		1921	#if EV_VERIFY >= 2
		1922	ev_loop_verify (EV_A);
		1923	#endif
		1924
1777	#ifndef _WIN32	1925	#ifndef _WIN32
1778	if (expect_false (curpid)) /* penalise the forking check even more */	1926	if (expect_false (curpid)) /* penalise the forking check even more */
1779	if (expect_false (getpid () != curpid))	1927	if (expect_false (getpid () != curpid))
1780	{	1928	{
1781	curpid = getpid ();	1929	curpid = getpid ();
…		…
1976	if (expect_false (ev_is_active (w)))	2124	if (expect_false (ev_is_active (w)))
1977	return;	2125	return;
1978		2126
1979	assert (("ev_io_start called with negative fd", fd >= 0));	2127	assert (("ev_io_start called with negative fd", fd >= 0));
1980		2128
		2129	EV_FREQUENT_CHECK;
		2130
1981	ev_start (EV_A_ (W)w, 1);	2131	ev_start (EV_A_ (W)w, 1);
1982	array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init);	2132	array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init);
1983	wlist_add (&anfds[fd].head, (WL)w);	2133	wlist_add (&anfds[fd].head, (WL)w);
1984		2134
1985	fd_change (EV_A_ fd, w->events & EV_IOFDSET \| 1);	2135	fd_change (EV_A_ fd, w->events & EV_IOFDSET \| 1);
1986	w->events &= ~EV_IOFDSET;	2136	w->events &= ~EV_IOFDSET;
		2137
		2138	EV_FREQUENT_CHECK;
1987	}	2139	}
1988		2140
1989	void noinline	2141	void noinline
1990	ev_io_stop (EV_P_ ev_io *w)	2142	ev_io_stop (EV_P_ ev_io *w)
1991	{	2143	{
…		…
1993	if (expect_false (!ev_is_active (w)))	2145	if (expect_false (!ev_is_active (w)))
1994	return;	2146	return;
1995		2147
1996	assert (("ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));	2148	assert (("ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));
1997		2149
		2150	EV_FREQUENT_CHECK;
		2151
1998	wlist_del (&anfds[w->fd].head, (WL)w);	2152	wlist_del (&anfds[w->fd].head, (WL)w);
1999	ev_stop (EV_A_ (W)w);	2153	ev_stop (EV_A_ (W)w);
2000		2154
2001	fd_change (EV_A_ w->fd, 1);	2155	fd_change (EV_A_ w->fd, 1);
		2156
		2157	EV_FREQUENT_CHECK;
2002	}	2158	}
2003		2159
2004	void noinline	2160	void noinline
2005	ev_timer_start (EV_P_ ev_timer *w)	2161	ev_timer_start (EV_P_ ev_timer *w)
2006	{	2162	{
…		…
2009		2165
2010	ev_at (w) += mn_now;	2166	ev_at (w) += mn_now;
2011		2167
2012	assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));	2168	assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));
2013		2169
		2170	EV_FREQUENT_CHECK;
		2171
		2172	++timercnt;
2014	ev_start (EV_A_ (W)w, ++timercnt + HEAP0 - 1);	2173	ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1);
2015	array_needsize (ANHE, timers, timermax, ev_active (w) + 1, EMPTY2);	2174	array_needsize (ANHE, timers, timermax, ev_active (w) + 1, EMPTY2);
2016	ANHE_w (timers [ev_active (w)]) = (WT)w;	2175	ANHE_w (timers [ev_active (w)]) = (WT)w;
2017	ANHE_at_set (timers [ev_active (w)]);	2176	ANHE_at_cache (timers [ev_active (w)]);
2018	upheap (timers, ev_active (w));	2177	upheap (timers, ev_active (w));
		2178
		2179	EV_FREQUENT_CHECK;
2019		2180
2020	/assert (("internal timer heap corruption", timers [ev_active (w)] == (WT)w));/	2181	/assert (("internal timer heap corruption", timers [ev_active (w)] == (WT)w));/
2021	}	2182	}
2022		2183
2023	void noinline	2184	void noinline
…		…
2025	{	2186	{
2026	clear_pending (EV_A_ (W)w);	2187	clear_pending (EV_A_ (W)w);
2027	if (expect_false (!ev_is_active (w)))	2188	if (expect_false (!ev_is_active (w)))
2028	return;	2189	return;
2029		2190
		2191	EV_FREQUENT_CHECK;
		2192
2030	{	2193	{
2031	int active = ev_active (w);	2194	int active = ev_active (w);
2032		2195
2033	assert (("internal timer heap corruption", ANHE_w (timers [active]) == (WT)w));	2196	assert (("internal timer heap corruption", ANHE_w (timers [active]) == (WT)w));
2034		2197
		2198	--timercnt;
		2199
2035	if (expect_true (active < timercnt + HEAP0 - 1))	2200	if (expect_true (active < timercnt + HEAP0))
2036	{	2201	{
2037	timers [active] = timers [timercnt + HEAP0 - 1];	2202	timers [active] = timers [timercnt + HEAP0];
2038	adjustheap (timers, timercnt, active);	2203	adjustheap (timers, timercnt, active);
2039	}	2204	}
2040
2041	--timercnt;
2042	}	2205	}
		2206
		2207	EV_FREQUENT_CHECK;
2043		2208
2044	ev_at (w) -= mn_now;	2209	ev_at (w) -= mn_now;
2045		2210
2046	ev_stop (EV_A_ (W)w);	2211	ev_stop (EV_A_ (W)w);
2047	}	2212	}
2048		2213
2049	void noinline	2214	void noinline
2050	ev_timer_again (EV_P_ ev_timer *w)	2215	ev_timer_again (EV_P_ ev_timer *w)
2051	{	2216	{
		2217	EV_FREQUENT_CHECK;
		2218
2052	if (ev_is_active (w))	2219	if (ev_is_active (w))
2053	{	2220	{
2054	if (w->repeat)	2221	if (w->repeat)
2055	{	2222	{
2056	ev_at (w) = mn_now + w->repeat;	2223	ev_at (w) = mn_now + w->repeat;
2057	ANHE_at_set (timers [ev_active (w)]);	2224	ANHE_at_cache (timers [ev_active (w)]);
2058	adjustheap (timers, timercnt, ev_active (w));	2225	adjustheap (timers, timercnt, ev_active (w));
2059	}	2226	}
2060	else	2227	else
2061	ev_timer_stop (EV_A_ w);	2228	ev_timer_stop (EV_A_ w);
2062	}	2229	}
2063	else if (w->repeat)	2230	else if (w->repeat)
2064	{	2231	{
2065	ev_at (w) = w->repeat;	2232	ev_at (w) = w->repeat;
2066	ev_timer_start (EV_A_ w);	2233	ev_timer_start (EV_A_ w);
2067	}	2234	}
		2235
		2236	EV_FREQUENT_CHECK;
2068	}	2237	}
2069		2238
2070	#if EV_PERIODIC_ENABLE	2239	#if EV_PERIODIC_ENABLE
2071	void noinline	2240	void noinline
2072	ev_periodic_start (EV_P_ ev_periodic *w)	2241	ev_periodic_start (EV_P_ ev_periodic *w)
…		…
2083	ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;	2252	ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
2084	}	2253	}
2085	else	2254	else
2086	ev_at (w) = w->offset;	2255	ev_at (w) = w->offset;
2087		2256
		2257	EV_FREQUENT_CHECK;
		2258
		2259	++periodiccnt;
2088	ev_start (EV_A_ (W)w, ++periodiccnt + HEAP0 - 1);	2260	ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1);
2089	array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, EMPTY2);	2261	array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, EMPTY2);
2090	ANHE_w (periodics [ev_active (w)]) = (WT)w;	2262	ANHE_w (periodics [ev_active (w)]) = (WT)w;
		2263	ANHE_at_cache (periodics [ev_active (w)]);
2091	upheap (periodics, ev_active (w));	2264	upheap (periodics, ev_active (w));
		2265
		2266	EV_FREQUENT_CHECK;
2092		2267
2093	/assert (("internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));/	2268	/assert (("internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));/
2094	}	2269	}
2095		2270
2096	void noinline	2271	void noinline
…		…
2098	{	2273	{
2099	clear_pending (EV_A_ (W)w);	2274	clear_pending (EV_A_ (W)w);
2100	if (expect_false (!ev_is_active (w)))	2275	if (expect_false (!ev_is_active (w)))
2101	return;	2276	return;
2102		2277
		2278	EV_FREQUENT_CHECK;
		2279
2103	{	2280	{
2104	int active = ev_active (w);	2281	int active = ev_active (w);
2105		2282
2106	assert (("internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w));	2283	assert (("internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w));
2107		2284
		2285	--periodiccnt;
		2286
2108	if (expect_true (active < periodiccnt + HEAP0 - 1))	2287	if (expect_true (active < periodiccnt + HEAP0))
2109	{	2288	{
2110	periodics [active] = periodics [periodiccnt + HEAP0 - 1];	2289	periodics [active] = periodics [periodiccnt + HEAP0];
2111	adjustheap (periodics, periodiccnt, active);	2290	adjustheap (periodics, periodiccnt, active);
2112	}	2291	}
2113
2114	--periodiccnt;
2115	}	2292	}
		2293
		2294	EV_FREQUENT_CHECK;
2116		2295
2117	ev_stop (EV_A_ (W)w);	2296	ev_stop (EV_A_ (W)w);
2118	}	2297	}
2119		2298
2120	void noinline	2299	void noinline
…		…
2140	return;	2319	return;
2141		2320
2142	assert (("ev_signal_start called with illegal signal number", w->signum > 0));	2321	assert (("ev_signal_start called with illegal signal number", w->signum > 0));
2143		2322
2144	evpipe_init (EV_A);	2323	evpipe_init (EV_A);
		2324
		2325	EV_FREQUENT_CHECK;
2145		2326
2146	{	2327	{
2147	#ifndef _WIN32	2328	#ifndef _WIN32
2148	sigset_t full, prev;	2329	sigset_t full, prev;
2149	sigfillset (&full);	2330	sigfillset (&full);
…		…
2170	sigfillset (&sa.sa_mask);	2351	sigfillset (&sa.sa_mask);
2171	sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */	2352	sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */
2172	sigaction (w->signum, &sa, 0);	2353	sigaction (w->signum, &sa, 0);
2173	#endif	2354	#endif
2174	}	2355	}
		2356
		2357	EV_FREQUENT_CHECK;
2175	}	2358	}
2176		2359
2177	void noinline	2360	void noinline
2178	ev_signal_stop (EV_P_ ev_signal *w)	2361	ev_signal_stop (EV_P_ ev_signal *w)
2179	{	2362	{
2180	clear_pending (EV_A_ (W)w);	2363	clear_pending (EV_A_ (W)w);
2181	if (expect_false (!ev_is_active (w)))	2364	if (expect_false (!ev_is_active (w)))
2182	return;	2365	return;
2183		2366
		2367	EV_FREQUENT_CHECK;
		2368
2184	wlist_del (&signals [w->signum - 1].head, (WL)w);	2369	wlist_del (&signals [w->signum - 1].head, (WL)w);
2185	ev_stop (EV_A_ (W)w);	2370	ev_stop (EV_A_ (W)w);
2186		2371
2187	if (!signals [w->signum - 1].head)	2372	if (!signals [w->signum - 1].head)
2188	signal (w->signum, SIG_DFL);	2373	signal (w->signum, SIG_DFL);
		2374
		2375	EV_FREQUENT_CHECK;
2189	}	2376	}
2190		2377
2191	void	2378	void
2192	ev_child_start (EV_P_ ev_child *w)	2379	ev_child_start (EV_P_ ev_child *w)
2193	{	2380	{
…		…
2195	assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr));	2382	assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
2196	#endif	2383	#endif
2197	if (expect_false (ev_is_active (w)))	2384	if (expect_false (ev_is_active (w)))
2198	return;	2385	return;
2199		2386
		2387	EV_FREQUENT_CHECK;
		2388
2200	ev_start (EV_A_ (W)w, 1);	2389	ev_start (EV_A_ (W)w, 1);
2201	wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);	2390	wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);
		2391
		2392	EV_FREQUENT_CHECK;
2202	}	2393	}
2203		2394
2204	void	2395	void
2205	ev_child_stop (EV_P_ ev_child *w)	2396	ev_child_stop (EV_P_ ev_child *w)
2206	{	2397	{
2207	clear_pending (EV_A_ (W)w);	2398	clear_pending (EV_A_ (W)w);
2208	if (expect_false (!ev_is_active (w)))	2399	if (expect_false (!ev_is_active (w)))
2209	return;	2400	return;
2210		2401
		2402	EV_FREQUENT_CHECK;
		2403
2211	wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);	2404	wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);
2212	ev_stop (EV_A_ (W)w);	2405	ev_stop (EV_A_ (W)w);
		2406
		2407	EV_FREQUENT_CHECK;
2213	}	2408	}
2214		2409
2215	#if EV_STAT_ENABLE	2410	#if EV_STAT_ENABLE
2216		2411
2217	# ifdef _WIN32	2412	# ifdef _WIN32
…		…
2445	else	2640	else
2446	#endif	2641	#endif
2447	ev_timer_start (EV_A_ &w->timer);	2642	ev_timer_start (EV_A_ &w->timer);
2448		2643
2449	ev_start (EV_A_ (W)w, 1);	2644	ev_start (EV_A_ (W)w, 1);
		2645
		2646	EV_FREQUENT_CHECK;
2450	}	2647	}
2451		2648
2452	void	2649	void
2453	ev_stat_stop (EV_P_ ev_stat *w)	2650	ev_stat_stop (EV_P_ ev_stat *w)
2454	{	2651	{
2455	clear_pending (EV_A_ (W)w);	2652	clear_pending (EV_A_ (W)w);
2456	if (expect_false (!ev_is_active (w)))	2653	if (expect_false (!ev_is_active (w)))
2457	return;	2654	return;
2458		2655
		2656	EV_FREQUENT_CHECK;
		2657
2459	#if EV_USE_INOTIFY	2658	#if EV_USE_INOTIFY
2460	infy_del (EV_A_ w);	2659	infy_del (EV_A_ w);
2461	#endif	2660	#endif
2462	ev_timer_stop (EV_A_ &w->timer);	2661	ev_timer_stop (EV_A_ &w->timer);
2463		2662
2464	ev_stop (EV_A_ (W)w);	2663	ev_stop (EV_A_ (W)w);
		2664
		2665	EV_FREQUENT_CHECK;
2465	}	2666	}
2466	#endif	2667	#endif
2467		2668
2468	#if EV_IDLE_ENABLE	2669	#if EV_IDLE_ENABLE
2469	void	2670	void
…		…
2471	{	2672	{
2472	if (expect_false (ev_is_active (w)))	2673	if (expect_false (ev_is_active (w)))
2473	return;	2674	return;
2474		2675
2475	pri_adjust (EV_A_ (W)w);	2676	pri_adjust (EV_A_ (W)w);
		2677
		2678	EV_FREQUENT_CHECK;
2476		2679
2477	{	2680	{
2478	int active = ++idlecnt [ABSPRI (w)];	2681	int active = ++idlecnt [ABSPRI (w)];
2479		2682
2480	++idleall;	2683	++idleall;
2481	ev_start (EV_A_ (W)w, active);	2684	ev_start (EV_A_ (W)w, active);
2482		2685
2483	array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2);	2686	array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2);
2484	idles [ABSPRI (w)][active - 1] = w;	2687	idles [ABSPRI (w)][active - 1] = w;
2485	}	2688	}
		2689
		2690	EV_FREQUENT_CHECK;
2486	}	2691	}
2487		2692
2488	void	2693	void
2489	ev_idle_stop (EV_P_ ev_idle *w)	2694	ev_idle_stop (EV_P_ ev_idle *w)
2490	{	2695	{
2491	clear_pending (EV_A_ (W)w);	2696	clear_pending (EV_A_ (W)w);
2492	if (expect_false (!ev_is_active (w)))	2697	if (expect_false (!ev_is_active (w)))
2493	return;	2698	return;
2494		2699
		2700	EV_FREQUENT_CHECK;
		2701
2495	{	2702	{
2496	int active = ev_active (w);	2703	int active = ev_active (w);
2497		2704
2498	idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]];	2705	idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]];
2499	ev_active (idles [ABSPRI (w)][active - 1]) = active;	2706	ev_active (idles [ABSPRI (w)][active - 1]) = active;
2500		2707
2501	ev_stop (EV_A_ (W)w);	2708	ev_stop (EV_A_ (W)w);
2502	--idleall;	2709	--idleall;
2503	}	2710	}
		2711
		2712	EV_FREQUENT_CHECK;
2504	}	2713	}
2505	#endif	2714	#endif
2506		2715
2507	void	2716	void
2508	ev_prepare_start (EV_P_ ev_prepare *w)	2717	ev_prepare_start (EV_P_ ev_prepare *w)
2509	{	2718	{
2510	if (expect_false (ev_is_active (w)))	2719	if (expect_false (ev_is_active (w)))
2511	return;	2720	return;
		2721
		2722	EV_FREQUENT_CHECK;
2512		2723
2513	ev_start (EV_A_ (W)w, ++preparecnt);	2724	ev_start (EV_A_ (W)w, ++preparecnt);
2514	array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2);	2725	array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2);
2515	prepares [preparecnt - 1] = w;	2726	prepares [preparecnt - 1] = w;
		2727
		2728	EV_FREQUENT_CHECK;
2516	}	2729	}
2517		2730
2518	void	2731	void
2519	ev_prepare_stop (EV_P_ ev_prepare *w)	2732	ev_prepare_stop (EV_P_ ev_prepare *w)
2520	{	2733	{
2521	clear_pending (EV_A_ (W)w);	2734	clear_pending (EV_A_ (W)w);
2522	if (expect_false (!ev_is_active (w)))	2735	if (expect_false (!ev_is_active (w)))
2523	return;	2736	return;
2524		2737
		2738	EV_FREQUENT_CHECK;
		2739
2525	{	2740	{
2526	int active = ev_active (w);	2741	int active = ev_active (w);
2527		2742
2528	prepares [active - 1] = prepares [--preparecnt];	2743	prepares [active - 1] = prepares [--preparecnt];
2529	ev_active (prepares [active - 1]) = active;	2744	ev_active (prepares [active - 1]) = active;
2530	}	2745	}
2531		2746
2532	ev_stop (EV_A_ (W)w);	2747	ev_stop (EV_A_ (W)w);
		2748
		2749	EV_FREQUENT_CHECK;
2533	}	2750	}
2534		2751
2535	void	2752	void
2536	ev_check_start (EV_P_ ev_check *w)	2753	ev_check_start (EV_P_ ev_check *w)
2537	{	2754	{
2538	if (expect_false (ev_is_active (w)))	2755	if (expect_false (ev_is_active (w)))
2539	return;	2756	return;
		2757
		2758	EV_FREQUENT_CHECK;
2540		2759
2541	ev_start (EV_A_ (W)w, ++checkcnt);	2760	ev_start (EV_A_ (W)w, ++checkcnt);
2542	array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2);	2761	array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2);
2543	checks [checkcnt - 1] = w;	2762	checks [checkcnt - 1] = w;
		2763
		2764	EV_FREQUENT_CHECK;
2544	}	2765	}
2545		2766
2546	void	2767	void
2547	ev_check_stop (EV_P_ ev_check *w)	2768	ev_check_stop (EV_P_ ev_check *w)
2548	{	2769	{
2549	clear_pending (EV_A_ (W)w);	2770	clear_pending (EV_A_ (W)w);
2550	if (expect_false (!ev_is_active (w)))	2771	if (expect_false (!ev_is_active (w)))
2551	return;	2772	return;
2552		2773
		2774	EV_FREQUENT_CHECK;
		2775
2553	{	2776	{
2554	int active = ev_active (w);	2777	int active = ev_active (w);
2555		2778
2556	checks [active - 1] = checks [--checkcnt];	2779	checks [active - 1] = checks [--checkcnt];
2557	ev_active (checks [active - 1]) = active;	2780	ev_active (checks [active - 1]) = active;
2558	}	2781	}
2559		2782
2560	ev_stop (EV_A_ (W)w);	2783	ev_stop (EV_A_ (W)w);
		2784
		2785	EV_FREQUENT_CHECK;
2561	}	2786	}
2562		2787
2563	#if EV_EMBED_ENABLE	2788	#if EV_EMBED_ENABLE
2564	void noinline	2789	void noinline
2565	ev_embed_sweep (EV_P_ ev_embed *w)	2790	ev_embed_sweep (EV_P_ ev_embed *w)
…		…
2612	struct ev_loop *loop = w->other;	2837	struct ev_loop *loop = w->other;
2613	assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ()));	2838	assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ()));
2614	ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ);	2839	ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ);
2615	}	2840	}
2616		2841
		2842	EV_FREQUENT_CHECK;
		2843
2617	ev_set_priority (&w->io, ev_priority (w));	2844	ev_set_priority (&w->io, ev_priority (w));
2618	ev_io_start (EV_A_ &w->io);	2845	ev_io_start (EV_A_ &w->io);
2619		2846
2620	ev_prepare_init (&w->prepare, embed_prepare_cb);	2847	ev_prepare_init (&w->prepare, embed_prepare_cb);
2621	ev_set_priority (&w->prepare, EV_MINPRI);	2848	ev_set_priority (&w->prepare, EV_MINPRI);
2622	ev_prepare_start (EV_A_ &w->prepare);	2849	ev_prepare_start (EV_A_ &w->prepare);
2623		2850
2624	/ev_idle_init (&w->idle, e,bed_idle_cb);/	2851	/ev_idle_init (&w->idle, e,bed_idle_cb);/
2625		2852
2626	ev_start (EV_A_ (W)w, 1);	2853	ev_start (EV_A_ (W)w, 1);
		2854
		2855	EV_FREQUENT_CHECK;
2627	}	2856	}
2628		2857
2629	void	2858	void
2630	ev_embed_stop (EV_P_ ev_embed *w)	2859	ev_embed_stop (EV_P_ ev_embed *w)
2631	{	2860	{
2632	clear_pending (EV_A_ (W)w);	2861	clear_pending (EV_A_ (W)w);
2633	if (expect_false (!ev_is_active (w)))	2862	if (expect_false (!ev_is_active (w)))
2634	return;	2863	return;
2635		2864
		2865	EV_FREQUENT_CHECK;
		2866
2636	ev_io_stop (EV_A_ &w->io);	2867	ev_io_stop (EV_A_ &w->io);
2637	ev_prepare_stop (EV_A_ &w->prepare);	2868	ev_prepare_stop (EV_A_ &w->prepare);
2638		2869
2639	ev_stop (EV_A_ (W)w);	2870	ev_stop (EV_A_ (W)w);
		2871
		2872	EV_FREQUENT_CHECK;
2640	}	2873	}
2641	#endif	2874	#endif
2642		2875
2643	#if EV_FORK_ENABLE	2876	#if EV_FORK_ENABLE
2644	void	2877	void
2645	ev_fork_start (EV_P_ ev_fork *w)	2878	ev_fork_start (EV_P_ ev_fork *w)
2646	{	2879	{
2647	if (expect_false (ev_is_active (w)))	2880	if (expect_false (ev_is_active (w)))
2648	return;	2881	return;
		2882
		2883	EV_FREQUENT_CHECK;
2649		2884
2650	ev_start (EV_A_ (W)w, ++forkcnt);	2885	ev_start (EV_A_ (W)w, ++forkcnt);
2651	array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2);	2886	array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2);
2652	forks [forkcnt - 1] = w;	2887	forks [forkcnt - 1] = w;
		2888
		2889	EV_FREQUENT_CHECK;
2653	}	2890	}
2654		2891
2655	void	2892	void
2656	ev_fork_stop (EV_P_ ev_fork *w)	2893	ev_fork_stop (EV_P_ ev_fork *w)
2657	{	2894	{
2658	clear_pending (EV_A_ (W)w);	2895	clear_pending (EV_A_ (W)w);
2659	if (expect_false (!ev_is_active (w)))	2896	if (expect_false (!ev_is_active (w)))
2660	return;	2897	return;
2661		2898
		2899	EV_FREQUENT_CHECK;
		2900
2662	{	2901	{
2663	int active = ev_active (w);	2902	int active = ev_active (w);
2664		2903
2665	forks [active - 1] = forks [--forkcnt];	2904	forks [active - 1] = forks [--forkcnt];
2666	ev_active (forks [active - 1]) = active;	2905	ev_active (forks [active - 1]) = active;
2667	}	2906	}
2668		2907
2669	ev_stop (EV_A_ (W)w);	2908	ev_stop (EV_A_ (W)w);
		2909
		2910	EV_FREQUENT_CHECK;
2670	}	2911	}
2671	#endif	2912	#endif
2672		2913
2673	#if EV_ASYNC_ENABLE	2914	#if EV_ASYNC_ENABLE
2674	void	2915	void
…		…
2676	{	2917	{
2677	if (expect_false (ev_is_active (w)))	2918	if (expect_false (ev_is_active (w)))
2678	return;	2919	return;
2679		2920
2680	evpipe_init (EV_A);	2921	evpipe_init (EV_A);
		2922
		2923	EV_FREQUENT_CHECK;
2681		2924
2682	ev_start (EV_A_ (W)w, ++asynccnt);	2925	ev_start (EV_A_ (W)w, ++asynccnt);
2683	array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2);	2926	array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2);
2684	asyncs [asynccnt - 1] = w;	2927	asyncs [asynccnt - 1] = w;
		2928
		2929	EV_FREQUENT_CHECK;
2685	}	2930	}
2686		2931
2687	void	2932	void
2688	ev_async_stop (EV_P_ ev_async *w)	2933	ev_async_stop (EV_P_ ev_async *w)
2689	{	2934	{
2690	clear_pending (EV_A_ (W)w);	2935	clear_pending (EV_A_ (W)w);
2691	if (expect_false (!ev_is_active (w)))	2936	if (expect_false (!ev_is_active (w)))
2692	return;	2937	return;
2693		2938
		2939	EV_FREQUENT_CHECK;
		2940
2694	{	2941	{
2695	int active = ev_active (w);	2942	int active = ev_active (w);
2696		2943
2697	asyncs [active - 1] = asyncs [--asynccnt];	2944	asyncs [active - 1] = asyncs [--asynccnt];
2698	ev_active (asyncs [active - 1]) = active;	2945	ev_active (asyncs [active - 1]) = active;
2699	}	2946	}
2700		2947
2701	ev_stop (EV_A_ (W)w);	2948	ev_stop (EV_A_ (W)w);
		2949
		2950	EV_FREQUENT_CHECK;
2702	}	2951	}
2703		2952
2704	void	2953	void
2705	ev_async_send (EV_P_ ev_async *w)	2954	ev_async_send (EV_P_ ev_async *w)
2706	{	2955	{

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Comparing libev/ev.c (file contents): Revision 1.242 by root, Fri May 9 14:07:19 2008 UTC vs. Revision 1.254 by root, Wed Jun 4 20:26:55 2008 UTC

Diff Legend

Comparing libev/ev.c (file contents):
Revision 1.242 by root, Fri May 9 14:07:19 2008 UTC vs.
Revision 1.254 by root, Wed Jun 4 20:26:55 2008 UTC