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

Comparing libev/ev.c (file contents):
Revision 1.243 by root, Fri May 9 15:52:13 2008 UTC vs.
Revision 1.263 by root, Wed Oct 1 18:50:03 2008 UTC

…		…
126	# define EV_USE_EVENTFD 1	126	# define EV_USE_EVENTFD 1
127	# else	127	# else
128	# define EV_USE_EVENTFD 0	128	# define EV_USE_EVENTFD 0
129	# endif	129	# endif
130	# endif	130	# endif
131		131
132	#endif	132	#endif
133		133
134	#include <math.h>	134	#include <math.h>
135	#include <stdlib.h>	135	#include <stdlib.h>
136	#include <fcntl.h>	136	#include <fcntl.h>
…		…
154	#ifndef _WIN32	154	#ifndef _WIN32
155	# include <sys/time.h>	155	# include <sys/time.h>
156	# include <sys/wait.h>	156	# include <sys/wait.h>
157	# include <unistd.h>	157	# include <unistd.h>
158	#else	158	#else
		159	# include <io.h>
159	# define WIN32_LEAN_AND_MEAN	160	# define WIN32_LEAN_AND_MEAN
160	# include <windows.h>	161	# include <windows.h>
161	# ifndef EV_SELECT_IS_WINSOCKET	162	# ifndef EV_SELECT_IS_WINSOCKET
162	# define EV_SELECT_IS_WINSOCKET 1	163	# define EV_SELECT_IS_WINSOCKET 1
163	# endif	164	# endif
164	#endif	165	#endif
165		166
166	/* this block tries to deduce configuration from header-defined symbols and defaults */	167	/* this block tries to deduce configuration from header-defined symbols and defaults */
167		168
168	#ifndef EV_USE_MONOTONIC	169	#ifndef EV_USE_MONOTONIC
		170	# if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0
		171	# define EV_USE_MONOTONIC 1
		172	# else
169	# define EV_USE_MONOTONIC 0	173	# define EV_USE_MONOTONIC 0
		174	# endif
170	#endif	175	#endif
171		176
172	#ifndef EV_USE_REALTIME	177	#ifndef EV_USE_REALTIME
173	# define EV_USE_REALTIME 0	178	# define EV_USE_REALTIME 0
174	#endif	179	#endif
175		180
176	#ifndef EV_USE_NANOSLEEP	181	#ifndef EV_USE_NANOSLEEP
		182	# if _POSIX_C_SOURCE >= 199309L
		183	# define EV_USE_NANOSLEEP 1
		184	# else
177	# define EV_USE_NANOSLEEP 0	185	# define EV_USE_NANOSLEEP 0
		186	# endif
178	#endif	187	#endif
179		188
180	#ifndef EV_USE_SELECT	189	#ifndef EV_USE_SELECT
181	# define EV_USE_SELECT 1	190	# define EV_USE_SELECT 1
182	#endif	191	#endif
…		…
235	# else	244	# else
236	# define EV_USE_EVENTFD 0	245	# define EV_USE_EVENTFD 0
237	# endif	246	# endif
238	#endif	247	#endif
239		248
		249	#if 0 /* debugging */
		250	# define EV_VERIFY 3
		251	# define EV_USE_4HEAP 1
		252	# define EV_HEAP_CACHE_AT 1
		253	#endif
		254
		255	#ifndef EV_VERIFY
		256	# define EV_VERIFY !EV_MINIMAL
		257	#endif
		258
240	#ifndef EV_USE_4HEAP	259	#ifndef EV_USE_4HEAP
241	# define EV_USE_4HEAP !EV_MINIMAL	260	# define EV_USE_4HEAP !EV_MINIMAL
242	#endif	261	#endif
243		262
244	#ifndef EV_HEAP_CACHE_AT	263	#ifndef EV_HEAP_CACHE_AT
…		…
268	# endif	287	# endif
269	#endif	288	#endif
270		289
271	#if EV_USE_INOTIFY	290	#if EV_USE_INOTIFY
272	# include <sys/inotify.h>	291	# include <sys/inotify.h>
		292	/* some very old inotify.h headers don't have IN_DONT_FOLLOW */
		293	# ifndef IN_DONT_FOLLOW
		294	# undef EV_USE_INOTIFY
		295	# define EV_USE_INOTIFY 0
		296	# endif
273	#endif	297	#endif
274		298
275	#if EV_SELECT_IS_WINSOCKET	299	#if EV_SELECT_IS_WINSOCKET
276	# include <winsock.h>	300	# include <winsock.h>
277	#endif	301	#endif
…		…
287	}	311	}
288	# endif	312	# endif
289	#endif	313	#endif
290		314
291	/**/	315	/**/
		316
		317	#if EV_VERIFY >= 3
		318	# define EV_FREQUENT_CHECK ev_loop_verify (EV_A)
		319	#else
		320	# define EV_FREQUENT_CHECK do { } while (0)
		321	#endif
292		322
293	/*	323	/*
294	* This is used to avoid floating point rounding problems.	324	* This is used to avoid floating point rounding problems.
295	* It is added to ev_rt_now when scheduling periodics	325	* It is added to ev_rt_now when scheduling periodics
296	* to ensure progress, time-wise, even when rounding	326	* to ensure progress, time-wise, even when rounding
…		…
444	typedef struct {	474	typedef struct {
445	ev_tstamp at;	475	ev_tstamp at;
446	WT w;	476	WT w;
447	} ANHE;	477	} ANHE;
448		478
449	#define ANHE_w(he) (he).w /* access watcher, read-write */	479	#define ANHE_w(he) (he).w /* access watcher, read-write */
450	#define ANHE_at(he) (he).at /* access cached at, read-only */	480	#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 */	481	#define ANHE_at_cache(he) (he).at = (he).w->at /* update at from watcher */
452	#else	482	#else
453	typedef WT ANHE;	483	typedef WT ANHE;
454		484
455	#define ANHE_w(he) (he)	485	#define ANHE_w(he) (he)
456	#define ANHE_at(he) (he)->at	486	#define ANHE_at(he) (he)->at
457	#define ANHE_at_set(he)	487	#define ANHE_at_cache(he)
458	#endif	488	#endif
459		489
460	#if EV_MULTIPLICITY	490	#if EV_MULTIPLICITY
461		491
462	struct ev_loop	492	struct ev_loop
…		…
540	struct timeval tv;	570	struct timeval tv;
541		571
542	tv.tv_sec = (time_t)delay;	572	tv.tv_sec = (time_t)delay;
543	tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6);	573	tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6);
544		574
		575	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */
		576	/* somehting nto guaranteed by newer posix versions, but guaranteed */
		577	/* by older ones */
545	select (0, 0, 0, 0, &tv);	578	select (0, 0, 0, 0, &tv);
546	#endif	579	#endif
547	}	580	}
548	}	581	}
549		582
…		…
683	events \|= (unsigned char)w->events;	716	events \|= (unsigned char)w->events;
684		717
685	#if EV_SELECT_IS_WINSOCKET	718	#if EV_SELECT_IS_WINSOCKET
686	if (events)	719	if (events)
687	{	720	{
688	unsigned long argp;	721	unsigned long arg;
689	#ifdef EV_FD_TO_WIN32_HANDLE	722	#ifdef EV_FD_TO_WIN32_HANDLE
690	anfd->handle = EV_FD_TO_WIN32_HANDLE (fd);	723	anfd->handle = EV_FD_TO_WIN32_HANDLE (fd);
691	#else	724	#else
692	anfd->handle = _get_osfhandle (fd);	725	anfd->handle = _get_osfhandle (fd);
693	#endif	726	#endif
694	assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0));	727	assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0));
695	}	728	}
696	#endif	729	#endif
697		730
698	{	731	{
699	unsigned char o_events = anfd->events;	732	unsigned char o_events = anfd->events;
…		…
752	{	785	{
753	int fd;	786	int fd;
754		787
755	for (fd = 0; fd < anfdmax; ++fd)	788	for (fd = 0; fd < anfdmax; ++fd)
756	if (anfds [fd].events)	789	if (anfds [fd].events)
757	if (!fd_valid (fd) == -1 && errno == EBADF)	790	if (!fd_valid (fd) && errno == EBADF)
758	fd_kill (EV_A_ fd);	791	fd_kill (EV_A_ fd);
759	}	792	}
760		793
761	/* called on ENOMEM in select/poll to kill some fds and retry */	794	/* called on ENOMEM in select/poll to kill some fds and retry */
762	static void noinline	795	static void noinline
…		…
802	*/	835	*/
803	#if EV_USE_4HEAP	836	#if EV_USE_4HEAP
804		837
805	#define DHEAP 4	838	#define DHEAP 4
806	#define HEAP0 (DHEAP - 1) /* index of first element in heap */	839	#define HEAP0 (DHEAP - 1) /* index of first element in heap */
807		840	#define HPARENT(k) ((((k) - HEAP0 - 1) / DHEAP) + HEAP0)
808	/* towards the root */	841	#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		842
830	/* away from the root */	843	/* away from the root */
831	void inline_speed	844	void inline_speed
832	downheap (ANHE *heap, int N, int k)	845	downheap (ANHE *heap, int N, int k)
833	{	846	{
…		…
836		849
837	for (;;)	850	for (;;)
838	{	851	{
839	ev_tstamp minat;	852	ev_tstamp minat;
840	ANHE *minpos;	853	ANHE *minpos;
841	ANHE pos = heap + DHEAP (k - HEAP0) + HEAP0;	854	ANHE pos = heap + DHEAP (k - HEAP0) + HEAP0 + 1;
842		855
843	// find minimum child	856	/* find minimum child */
844	if (expect_true (pos + DHEAP - 1 < E))	857	if (expect_true (pos + DHEAP - 1 < E))
845	{	858	{
846	/* fast path / (minpos = pos + 0), (minat = ANHE_at (minpos));	859	/* fast path / (minpos = pos + 0), (minat = ANHE_at (minpos));
847	if (ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos));	860	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));	861	if ( ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos));
849	if (ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos));	862	if ( ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos));
850	}	863	}
851	else if (pos < E)	864	else if (pos < E)
852	{	865	{
853	/* slow path / (minpos = pos + 0), (minat = ANHE_at (minpos));	866	/* slow path / (minpos = pos + 0), (minat = ANHE_at (minpos));
854	if (pos + 1 < E && ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos));	867	if (pos + 1 < E && ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos));
…		…
859	break;	872	break;
860		873
861	if (ANHE_at (he) <= minat)	874	if (ANHE_at (he) <= minat)
862	break;	875	break;
863		876
		877	heap [k] = *minpos;
864	ev_active (ANHE_w (*minpos)) = k;	878	ev_active (ANHE_w (*minpos)) = k;
865	heap [k] = *minpos;
866		879
867	k = minpos - heap;	880	k = minpos - heap;
868	}	881	}
869		882
		883	heap [k] = he;
870	ev_active (ANHE_w (he)) = k;	884	ev_active (ANHE_w (he)) = k;
871	heap [k] = he;
872	}	885	}
873		886
874	#else // 4HEAP	887	#else /* 4HEAP */
875		888
876	#define HEAP0 1	889	#define HEAP0 1
877		890	#define HPARENT(k) ((k) >> 1)
878	/* towards the root */	891	#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		892
901	/* away from the root */	893	/* away from the root */
902	void inline_speed	894	void inline_speed
903	downheap (ANHE *heap, int N, int k)	895	downheap (ANHE *heap, int N, int k)
904	{	896	{
…		…
906		898
907	for (;;)	899	for (;;)
908	{	900	{
909	int c = k << 1;	901	int c = k << 1;
910		902
911	if (c > N)	903	if (c > N + HEAP0 - 1)
912	break;	904	break;
913		905
914	c += c + 1 < N && ANHE_at (heap [c]) > ANHE_at (heap [c + 1])	906	c += c + 1 < N + HEAP0 && ANHE_at (heap [c]) > ANHE_at (heap [c + 1])
915	? 1 : 0;	907	? 1 : 0;
916		908
917	if (ANHE_at (he) <= ANHE_at (heap [c]))	909	if (ANHE_at (he) <= ANHE_at (heap [c]))
918	break;	910	break;
919		911
…		…
926	heap [k] = he;	918	heap [k] = he;
927	ev_active (ANHE_w (he)) = k;	919	ev_active (ANHE_w (he)) = k;
928	}	920	}
929	#endif	921	#endif
930		922
		923	/* towards the root */
		924	void inline_speed
		925	upheap (ANHE *heap, int k)
		926	{
		927	ANHE he = heap [k];
		928
		929	for (;;)
		930	{
		931	int p = HPARENT (k);
		932
		933	if (UPHEAP_DONE (p, k) \|\| ANHE_at (heap [p]) <= ANHE_at (he))
		934	break;
		935
		936	heap [k] = heap [p];
		937	ev_active (ANHE_w (heap [k])) = k;
		938	k = p;
		939	}
		940
		941	heap [k] = he;
		942	ev_active (ANHE_w (he)) = k;
		943	}
		944
931	void inline_size	945	void inline_size
932	adjustheap (ANHE *heap, int N, int k)	946	adjustheap (ANHE *heap, int N, int k)
933	{	947	{
		948	if (k > HEAP0 && ANHE_at (heap [HPARENT (k)]) >= ANHE_at (heap [k]))
934	upheap (heap, k);	949	upheap (heap, k);
		950	else
935	downheap (heap, N, k);	951	downheap (heap, N, k);
		952	}
		953
		954	/* rebuild the heap: this function is used only once and executed rarely */
		955	void inline_size
		956	reheap (ANHE *heap, int N)
		957	{
		958	int i;
		959
		960	/* we don't use floyds algorithm, upheap is simpler and is more cache-efficient */
		961	/* also, this is easy to implement and correct for both 2-heaps and 4-heaps */
		962	for (i = 0; i < N; ++i)
		963	upheap (heap, i + HEAP0);
936	}	964	}
937		965
938	/*****************************************************************************/	966	/*****************************************************************************/
939		967
940	typedef struct	968	typedef struct
…		…
964		992
965	void inline_speed	993	void inline_speed
966	fd_intern (int fd)	994	fd_intern (int fd)
967	{	995	{
968	#ifdef _WIN32	996	#ifdef _WIN32
969	int arg = 1;	997	unsigned long arg = 1;
970	ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg);	998	ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg);
971	#else	999	#else
972	fcntl (fd, F_SETFD, FD_CLOEXEC);	1000	fcntl (fd, F_SETFD, FD_CLOEXEC);
973	fcntl (fd, F_SETFL, O_NONBLOCK);	1001	fcntl (fd, F_SETFL, O_NONBLOCK);
974	#endif	1002	#endif
…		…
1458		1486
1459	postfork = 0;	1487	postfork = 0;
1460	}	1488	}
1461		1489
1462	#if EV_MULTIPLICITY	1490	#if EV_MULTIPLICITY
		1491
1463	struct ev_loop *	1492	struct ev_loop *
1464	ev_loop_new (unsigned int flags)	1493	ev_loop_new (unsigned int flags)
1465	{	1494	{
1466	struct ev_loop loop = (struct ev_loop )ev_malloc (sizeof (struct ev_loop));	1495	struct ev_loop loop = (struct ev_loop )ev_malloc (sizeof (struct ev_loop));
1467		1496
…		…
1485	void	1514	void
1486	ev_loop_fork (EV_P)	1515	ev_loop_fork (EV_P)
1487	{	1516	{
1488	postfork = 1; /* must be in line with ev_default_fork */	1517	postfork = 1; /* must be in line with ev_default_fork */
1489	}	1518	}
		1519
		1520	#if EV_VERIFY
		1521	static void noinline
		1522	verify_watcher (EV_P_ W w)
		1523	{
		1524	assert (("watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI));
		1525
		1526	if (w->pending)
		1527	assert (("pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w));
		1528	}
		1529
		1530	static void noinline
		1531	verify_heap (EV_P_ ANHE *heap, int N)
		1532	{
		1533	int i;
		1534
		1535	for (i = HEAP0; i < N + HEAP0; ++i)
		1536	{
		1537	assert (("active index mismatch in heap", ev_active (ANHE_w (heap [i])) == i));
		1538	assert (("heap condition violated", i == HEAP0 \|\| ANHE_at (heap [HPARENT (i)]) <= ANHE_at (heap [i])));
		1539	assert (("heap at cache mismatch", ANHE_at (heap [i]) == ev_at (ANHE_w (heap [i]))));
		1540
		1541	verify_watcher (EV_A_ (W)ANHE_w (heap [i]));
		1542	}
		1543	}
		1544
		1545	static void noinline
		1546	array_verify (EV_P_ W *ws, int cnt)
		1547	{
		1548	while (cnt--)
		1549	{
		1550	assert (("active index mismatch", ev_active (ws [cnt]) == cnt + 1));
		1551	verify_watcher (EV_A_ ws [cnt]);
		1552	}
		1553	}
		1554	#endif
		1555
		1556	void
		1557	ev_loop_verify (EV_P)
		1558	{
		1559	#if EV_VERIFY
		1560	int i;
		1561	WL w;
		1562
		1563	assert (activecnt >= -1);
		1564
		1565	assert (fdchangemax >= fdchangecnt);
		1566	for (i = 0; i < fdchangecnt; ++i)
		1567	assert (("negative fd in fdchanges", fdchanges [i] >= 0));
		1568
		1569	assert (anfdmax >= 0);
		1570	for (i = 0; i < anfdmax; ++i)
		1571	for (w = anfds [i].head; w; w = w->next)
		1572	{
		1573	verify_watcher (EV_A_ (W)w);
		1574	assert (("inactive fd watcher on anfd list", ev_active (w) == 1));
		1575	assert (("fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i));
		1576	}
		1577
		1578	assert (timermax >= timercnt);
		1579	verify_heap (EV_A_ timers, timercnt);
		1580
		1581	#if EV_PERIODIC_ENABLE
		1582	assert (periodicmax >= periodiccnt);
		1583	verify_heap (EV_A_ periodics, periodiccnt);
		1584	#endif
		1585
		1586	for (i = NUMPRI; i--; )
		1587	{
		1588	assert (pendingmax [i] >= pendingcnt [i]);
		1589	#if EV_IDLE_ENABLE
		1590	assert (idleall >= 0);
		1591	assert (idlemax [i] >= idlecnt [i]);
		1592	array_verify (EV_A_ (W *)idles [i], idlecnt [i]);
		1593	#endif
		1594	}
		1595
		1596	#if EV_FORK_ENABLE
		1597	assert (forkmax >= forkcnt);
		1598	array_verify (EV_A_ (W *)forks, forkcnt);
		1599	#endif
		1600
		1601	#if EV_ASYNC_ENABLE
		1602	assert (asyncmax >= asynccnt);
		1603	array_verify (EV_A_ (W *)asyncs, asynccnt);
		1604	#endif
		1605
		1606	assert (preparemax >= preparecnt);
		1607	array_verify (EV_A_ (W *)prepares, preparecnt);
		1608
		1609	assert (checkmax >= checkcnt);
		1610	array_verify (EV_A_ (W *)checks, checkcnt);
		1611
		1612	# if 0
		1613	for (w = (ev_child )childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child )((WL)w)->next)
		1614	for (signum = signalmax; signum--; ) if (signals [signum].gotsig)
1490	#endif	1615	# endif
		1616	#endif
		1617	}
		1618
		1619	#endif /* multiplicity */
1491		1620
1492	#if EV_MULTIPLICITY	1621	#if EV_MULTIPLICITY
1493	struct ev_loop *	1622	struct ev_loop *
1494	ev_default_loop_init (unsigned int flags)	1623	ev_default_loop_init (unsigned int flags)
1495	#else	1624	#else
…		…
1571	{	1700	{
1572	/assert (("non-pending watcher on pending list", p->w->pending));/	1701	/assert (("non-pending watcher on pending list", p->w->pending));/
1573		1702
1574	p->w->pending = 0;	1703	p->w->pending = 0;
1575	EV_CB_INVOKE (p->w, p->events);	1704	EV_CB_INVOKE (p->w, p->events);
		1705	EV_FREQUENT_CHECK;
1576	}	1706	}
1577	}	1707	}
1578	}	1708	}
1579		1709
1580	#if EV_IDLE_ENABLE	1710	#if EV_IDLE_ENABLE
…		…
1601	#endif	1731	#endif
1602		1732
1603	void inline_size	1733	void inline_size
1604	timers_reify (EV_P)	1734	timers_reify (EV_P)
1605	{	1735	{
		1736	EV_FREQUENT_CHECK;
		1737
1606	while (timercnt && ANHE_at (timers [HEAP0]) <= mn_now)	1738	while (timercnt && ANHE_at (timers [HEAP0]) < mn_now)
1607	{	1739	{
1608	ev_timer w = (ev_timer )ANHE_w (timers [HEAP0]);	1740	ev_timer w = (ev_timer )ANHE_w (timers [HEAP0]);
1609		1741
1610	/assert (("inactive timer on timer heap detected", ev_is_active (w)));/	1742	/assert (("inactive timer on timer heap detected", ev_is_active (w)));/
1611		1743
…		…
1616	if (ev_at (w) < mn_now)	1748	if (ev_at (w) < mn_now)
1617	ev_at (w) = mn_now;	1749	ev_at (w) = mn_now;
1618		1750
1619	assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));	1751	assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));
1620		1752
1621	ANHE_at_set (timers [HEAP0]);	1753	ANHE_at_cache (timers [HEAP0]);
1622	downheap (timers, timercnt, HEAP0);	1754	downheap (timers, timercnt, HEAP0);
1623	}	1755	}
1624	else	1756	else
1625	ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */	1757	ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */
1626		1758
		1759	EV_FREQUENT_CHECK;
1627	ev_feed_event (EV_A_ (W)w, EV_TIMEOUT);	1760	ev_feed_event (EV_A_ (W)w, EV_TIMEOUT);
1628	}	1761	}
1629	}	1762	}
1630		1763
1631	#if EV_PERIODIC_ENABLE	1764	#if EV_PERIODIC_ENABLE
1632	void inline_size	1765	void inline_size
1633	periodics_reify (EV_P)	1766	periodics_reify (EV_P)
1634	{	1767	{
		1768	EV_FREQUENT_CHECK;
		1769
1635	while (periodiccnt && ANHE_at (periodics [HEAP0]) <= ev_rt_now)	1770	while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)
1636	{	1771	{
1637	ev_periodic w = (ev_periodic )ANHE_w (periodics [HEAP0]);	1772	ev_periodic w = (ev_periodic )ANHE_w (periodics [HEAP0]);
1638		1773
1639	/assert (("inactive timer on periodic heap detected", ev_is_active (w)));/	1774	/assert (("inactive timer on periodic heap detected", ev_is_active (w)));/
1640		1775
1641	/* first reschedule or stop timer */	1776	/* first reschedule or stop timer */
1642	if (w->reschedule_cb)	1777	if (w->reschedule_cb)
1643	{	1778	{
1644	ev_at (w) = w->reschedule_cb (w, ev_rt_now + TIME_EPSILON);	1779	ev_at (w) = w->reschedule_cb (w, ev_rt_now);
1645		1780
1646	assert (("ev_periodic reschedule callback returned time in the past", ev_at (w) > ev_rt_now));	1781	assert (("ev_periodic reschedule callback returned time in the past", ev_at (w) >= ev_rt_now));
1647		1782
1648	ANHE_at_set (periodics [HEAP0]);	1783	ANHE_at_cache (periodics [HEAP0]);
1649	downheap (periodics, periodiccnt, HEAP0);	1784	downheap (periodics, periodiccnt, HEAP0);
1650	}	1785	}
1651	else if (w->interval)	1786	else if (w->interval)
1652	{	1787	{
1653	ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;	1788	ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
		1789	/* if next trigger time is not sufficiently in the future, put it there */
		1790	/* this might happen because of floating point inexactness */
1654	if (ev_at (w) - ev_rt_now <= TIME_EPSILON) ev_at (w) += w->interval;	1791	if (ev_at (w) - ev_rt_now < TIME_EPSILON)
		1792	{
		1793	ev_at (w) += w->interval;
1655		1794
1656	assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ev_at (w) > ev_rt_now));	1795	/* if interval is unreasonably low we might still have a time in the past */
		1796	/* so correct this. this will make the periodic very inexact, but the user */
		1797	/* has effectively asked to get triggered more often than possible */
		1798	if (ev_at (w) < ev_rt_now)
		1799	ev_at (w) = ev_rt_now;
		1800	}
1657		1801
1658	ANHE_at_set (periodics [HEAP0]);	1802	ANHE_at_cache (periodics [HEAP0]);
1659	downheap (periodics, periodiccnt, HEAP0);	1803	downheap (periodics, periodiccnt, HEAP0);
1660	}	1804	}
1661	else	1805	else
1662	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */	1806	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */
1663		1807
		1808	EV_FREQUENT_CHECK;
1664	ev_feed_event (EV_A_ (W)w, EV_PERIODIC);	1809	ev_feed_event (EV_A_ (W)w, EV_PERIODIC);
1665	}	1810	}
1666	}	1811	}
1667		1812
1668	static void noinline	1813	static void noinline
…		…
1678	if (w->reschedule_cb)	1823	if (w->reschedule_cb)
1679	ev_at (w) = w->reschedule_cb (w, ev_rt_now);	1824	ev_at (w) = w->reschedule_cb (w, ev_rt_now);
1680	else if (w->interval)	1825	else if (w->interval)
1681	ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;	1826	ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
1682		1827
1683	ANHE_at_set (periodics [i]);	1828	ANHE_at_cache (periodics [i]);
1684	}	1829	}
1685		1830
1686	/* we don't use floyds algorithm, uphead is simpler and is more cache-efficient */	1831	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	}	1832	}
1691	#endif	1833	#endif
1692		1834
1693	void inline_speed	1835	void inline_speed
1694	time_update (EV_P_ ev_tstamp max_block)	1836	time_update (EV_P_ ev_tstamp max_block)
…		…
1752	/* adjust timers. this is easy, as the offset is the same for all of them */	1894	/* adjust timers. this is easy, as the offset is the same for all of them */
1753	for (i = 0; i < timercnt; ++i)	1895	for (i = 0; i < timercnt; ++i)
1754	{	1896	{
1755	ANHE *he = timers + i + HEAP0;	1897	ANHE *he = timers + i + HEAP0;
1756	ANHE_w (*he)->at += ev_rt_now - mn_now;	1898	ANHE_w (*he)->at += ev_rt_now - mn_now;
1757	ANHE_at_set (*he);	1899	ANHE_at_cache (*he);
1758	}	1900	}
1759	}	1901	}
1760		1902
1761	mn_now = ev_rt_now;	1903	mn_now = ev_rt_now;
1762	}	1904	}
…		…
1772	ev_unref (EV_P)	1914	ev_unref (EV_P)
1773	{	1915	{
1774	--activecnt;	1916	--activecnt;
1775	}	1917	}
1776		1918
		1919	void
		1920	ev_now_update (EV_P)
		1921	{
		1922	time_update (EV_A_ 1e100);
		1923	}
		1924
1777	static int loop_done;	1925	static int loop_done;
1778		1926
1779	void	1927	void
1780	ev_loop (EV_P_ int flags)	1928	ev_loop (EV_P_ int flags)
1781	{	1929	{
…		…
1783		1931
1784	call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */	1932	call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */
1785		1933
1786	do	1934	do
1787	{	1935	{
		1936	#if EV_VERIFY >= 2
		1937	ev_loop_verify (EV_A);
		1938	#endif
		1939
1788	#ifndef _WIN32	1940	#ifndef _WIN32
1789	if (expect_false (curpid)) /* penalise the forking check even more */	1941	if (expect_false (curpid)) /* penalise the forking check even more */
1790	if (expect_false (getpid () != curpid))	1942	if (expect_false (getpid () != curpid))
1791	{	1943	{
1792	curpid = getpid ();	1944	curpid = getpid ();
…		…
1987	if (expect_false (ev_is_active (w)))	2139	if (expect_false (ev_is_active (w)))
1988	return;	2140	return;
1989		2141
1990	assert (("ev_io_start called with negative fd", fd >= 0));	2142	assert (("ev_io_start called with negative fd", fd >= 0));
1991		2143
		2144	EV_FREQUENT_CHECK;
		2145
1992	ev_start (EV_A_ (W)w, 1);	2146	ev_start (EV_A_ (W)w, 1);
1993	array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init);	2147	array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init);
1994	wlist_add (&anfds[fd].head, (WL)w);	2148	wlist_add (&anfds[fd].head, (WL)w);
1995		2149
1996	fd_change (EV_A_ fd, w->events & EV_IOFDSET \| 1);	2150	fd_change (EV_A_ fd, w->events & EV_IOFDSET \| 1);
1997	w->events &= ~EV_IOFDSET;	2151	w->events &= ~EV_IOFDSET;
		2152
		2153	EV_FREQUENT_CHECK;
1998	}	2154	}
1999		2155
2000	void noinline	2156	void noinline
2001	ev_io_stop (EV_P_ ev_io *w)	2157	ev_io_stop (EV_P_ ev_io *w)
2002	{	2158	{
…		…
2004	if (expect_false (!ev_is_active (w)))	2160	if (expect_false (!ev_is_active (w)))
2005	return;	2161	return;
2006		2162
2007	assert (("ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));	2163	assert (("ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));
2008		2164
		2165	EV_FREQUENT_CHECK;
		2166
2009	wlist_del (&anfds[w->fd].head, (WL)w);	2167	wlist_del (&anfds[w->fd].head, (WL)w);
2010	ev_stop (EV_A_ (W)w);	2168	ev_stop (EV_A_ (W)w);
2011		2169
2012	fd_change (EV_A_ w->fd, 1);	2170	fd_change (EV_A_ w->fd, 1);
		2171
		2172	EV_FREQUENT_CHECK;
2013	}	2173	}
2014		2174
2015	void noinline	2175	void noinline
2016	ev_timer_start (EV_P_ ev_timer *w)	2176	ev_timer_start (EV_P_ ev_timer *w)
2017	{	2177	{
…		…
2020		2180
2021	ev_at (w) += mn_now;	2181	ev_at (w) += mn_now;
2022		2182
2023	assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));	2183	assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));
2024		2184
		2185	EV_FREQUENT_CHECK;
		2186
		2187	++timercnt;
2025	ev_start (EV_A_ (W)w, ++timercnt + HEAP0 - 1);	2188	ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1);
2026	array_needsize (ANHE, timers, timermax, ev_active (w) + 1, EMPTY2);	2189	array_needsize (ANHE, timers, timermax, ev_active (w) + 1, EMPTY2);
2027	ANHE_w (timers [ev_active (w)]) = (WT)w;	2190	ANHE_w (timers [ev_active (w)]) = (WT)w;
2028	ANHE_at_set (timers [ev_active (w)]);	2191	ANHE_at_cache (timers [ev_active (w)]);
2029	upheap (timers, ev_active (w));	2192	upheap (timers, ev_active (w));
		2193
		2194	EV_FREQUENT_CHECK;
2030		2195
2031	/assert (("internal timer heap corruption", timers [ev_active (w)] == (WT)w));/	2196	/assert (("internal timer heap corruption", timers [ev_active (w)] == (WT)w));/
2032	}	2197	}
2033		2198
2034	void noinline	2199	void noinline
…		…
2036	{	2201	{
2037	clear_pending (EV_A_ (W)w);	2202	clear_pending (EV_A_ (W)w);
2038	if (expect_false (!ev_is_active (w)))	2203	if (expect_false (!ev_is_active (w)))
2039	return;	2204	return;
2040		2205
		2206	EV_FREQUENT_CHECK;
		2207
2041	{	2208	{
2042	int active = ev_active (w);	2209	int active = ev_active (w);
2043		2210
2044	assert (("internal timer heap corruption", ANHE_w (timers [active]) == (WT)w));	2211	assert (("internal timer heap corruption", ANHE_w (timers [active]) == (WT)w));
2045		2212
		2213	--timercnt;
		2214
2046	if (expect_true (active < timercnt + HEAP0 - 1))	2215	if (expect_true (active < timercnt + HEAP0))
2047	{	2216	{
2048	timers [active] = timers [timercnt + HEAP0 - 1];	2217	timers [active] = timers [timercnt + HEAP0];
2049	adjustheap (timers, timercnt, active);	2218	adjustheap (timers, timercnt, active);
2050	}	2219	}
2051
2052	--timercnt;
2053	}	2220	}
		2221
		2222	EV_FREQUENT_CHECK;
2054		2223
2055	ev_at (w) -= mn_now;	2224	ev_at (w) -= mn_now;
2056		2225
2057	ev_stop (EV_A_ (W)w);	2226	ev_stop (EV_A_ (W)w);
2058	}	2227	}
2059		2228
2060	void noinline	2229	void noinline
2061	ev_timer_again (EV_P_ ev_timer *w)	2230	ev_timer_again (EV_P_ ev_timer *w)
2062	{	2231	{
		2232	EV_FREQUENT_CHECK;
		2233
2063	if (ev_is_active (w))	2234	if (ev_is_active (w))
2064	{	2235	{
2065	if (w->repeat)	2236	if (w->repeat)
2066	{	2237	{
2067	ev_at (w) = mn_now + w->repeat;	2238	ev_at (w) = mn_now + w->repeat;
2068	ANHE_at_set (timers [ev_active (w)]);	2239	ANHE_at_cache (timers [ev_active (w)]);
2069	adjustheap (timers, timercnt, ev_active (w));	2240	adjustheap (timers, timercnt, ev_active (w));
2070	}	2241	}
2071	else	2242	else
2072	ev_timer_stop (EV_A_ w);	2243	ev_timer_stop (EV_A_ w);
2073	}	2244	}
2074	else if (w->repeat)	2245	else if (w->repeat)
2075	{	2246	{
2076	ev_at (w) = w->repeat;	2247	ev_at (w) = w->repeat;
2077	ev_timer_start (EV_A_ w);	2248	ev_timer_start (EV_A_ w);
2078	}	2249	}
		2250
		2251	EV_FREQUENT_CHECK;
2079	}	2252	}
2080		2253
2081	#if EV_PERIODIC_ENABLE	2254	#if EV_PERIODIC_ENABLE
2082	void noinline	2255	void noinline
2083	ev_periodic_start (EV_P_ ev_periodic *w)	2256	ev_periodic_start (EV_P_ ev_periodic *w)
…		…
2094	ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;	2267	ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
2095	}	2268	}
2096	else	2269	else
2097	ev_at (w) = w->offset;	2270	ev_at (w) = w->offset;
2098		2271
		2272	EV_FREQUENT_CHECK;
		2273
		2274	++periodiccnt;
2099	ev_start (EV_A_ (W)w, ++periodiccnt + HEAP0 - 1);	2275	ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1);
2100	array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, EMPTY2);	2276	array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, EMPTY2);
2101	ANHE_w (periodics [ev_active (w)]) = (WT)w;	2277	ANHE_w (periodics [ev_active (w)]) = (WT)w;
2102	ANHE_at_set (periodics [ev_active (w)]);	2278	ANHE_at_cache (periodics [ev_active (w)]);
2103	upheap (periodics, ev_active (w));	2279	upheap (periodics, ev_active (w));
		2280
		2281	EV_FREQUENT_CHECK;
2104		2282
2105	/assert (("internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));/	2283	/assert (("internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));/
2106	}	2284	}
2107		2285
2108	void noinline	2286	void noinline
…		…
2110	{	2288	{
2111	clear_pending (EV_A_ (W)w);	2289	clear_pending (EV_A_ (W)w);
2112	if (expect_false (!ev_is_active (w)))	2290	if (expect_false (!ev_is_active (w)))
2113	return;	2291	return;
2114		2292
		2293	EV_FREQUENT_CHECK;
		2294
2115	{	2295	{
2116	int active = ev_active (w);	2296	int active = ev_active (w);
2117		2297
2118	assert (("internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w));	2298	assert (("internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w));
2119		2299
		2300	--periodiccnt;
		2301
2120	if (expect_true (active < periodiccnt + HEAP0 - 1))	2302	if (expect_true (active < periodiccnt + HEAP0))
2121	{	2303	{
2122	periodics [active] = periodics [periodiccnt + HEAP0 - 1];	2304	periodics [active] = periodics [periodiccnt + HEAP0];
2123	adjustheap (periodics, periodiccnt, active);	2305	adjustheap (periodics, periodiccnt, active);
2124	}	2306	}
2125
2126	--periodiccnt;
2127	}	2307	}
		2308
		2309	EV_FREQUENT_CHECK;
2128		2310
2129	ev_stop (EV_A_ (W)w);	2311	ev_stop (EV_A_ (W)w);
2130	}	2312	}
2131		2313
2132	void noinline	2314	void noinline
…		…
2152	return;	2334	return;
2153		2335
2154	assert (("ev_signal_start called with illegal signal number", w->signum > 0));	2336	assert (("ev_signal_start called with illegal signal number", w->signum > 0));
2155		2337
2156	evpipe_init (EV_A);	2338	evpipe_init (EV_A);
		2339
		2340	EV_FREQUENT_CHECK;
2157		2341
2158	{	2342	{
2159	#ifndef _WIN32	2343	#ifndef _WIN32
2160	sigset_t full, prev;	2344	sigset_t full, prev;
2161	sigfillset (&full);	2345	sigfillset (&full);
…		…
2182	sigfillset (&sa.sa_mask);	2366	sigfillset (&sa.sa_mask);
2183	sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */	2367	sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */
2184	sigaction (w->signum, &sa, 0);	2368	sigaction (w->signum, &sa, 0);
2185	#endif	2369	#endif
2186	}	2370	}
		2371
		2372	EV_FREQUENT_CHECK;
2187	}	2373	}
2188		2374
2189	void noinline	2375	void noinline
2190	ev_signal_stop (EV_P_ ev_signal *w)	2376	ev_signal_stop (EV_P_ ev_signal *w)
2191	{	2377	{
2192	clear_pending (EV_A_ (W)w);	2378	clear_pending (EV_A_ (W)w);
2193	if (expect_false (!ev_is_active (w)))	2379	if (expect_false (!ev_is_active (w)))
2194	return;	2380	return;
2195		2381
		2382	EV_FREQUENT_CHECK;
		2383
2196	wlist_del (&signals [w->signum - 1].head, (WL)w);	2384	wlist_del (&signals [w->signum - 1].head, (WL)w);
2197	ev_stop (EV_A_ (W)w);	2385	ev_stop (EV_A_ (W)w);
2198		2386
2199	if (!signals [w->signum - 1].head)	2387	if (!signals [w->signum - 1].head)
2200	signal (w->signum, SIG_DFL);	2388	signal (w->signum, SIG_DFL);
		2389
		2390	EV_FREQUENT_CHECK;
2201	}	2391	}
2202		2392
2203	void	2393	void
2204	ev_child_start (EV_P_ ev_child *w)	2394	ev_child_start (EV_P_ ev_child *w)
2205	{	2395	{
…		…
2207	assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr));	2397	assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
2208	#endif	2398	#endif
2209	if (expect_false (ev_is_active (w)))	2399	if (expect_false (ev_is_active (w)))
2210	return;	2400	return;
2211		2401
		2402	EV_FREQUENT_CHECK;
		2403
2212	ev_start (EV_A_ (W)w, 1);	2404	ev_start (EV_A_ (W)w, 1);
2213	wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);	2405	wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);
		2406
		2407	EV_FREQUENT_CHECK;
2214	}	2408	}
2215		2409
2216	void	2410	void
2217	ev_child_stop (EV_P_ ev_child *w)	2411	ev_child_stop (EV_P_ ev_child *w)
2218	{	2412	{
2219	clear_pending (EV_A_ (W)w);	2413	clear_pending (EV_A_ (W)w);
2220	if (expect_false (!ev_is_active (w)))	2414	if (expect_false (!ev_is_active (w)))
2221	return;	2415	return;
2222		2416
		2417	EV_FREQUENT_CHECK;
		2418
2223	wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);	2419	wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);
2224	ev_stop (EV_A_ (W)w);	2420	ev_stop (EV_A_ (W)w);
		2421
		2422	EV_FREQUENT_CHECK;
2225	}	2423	}
2226		2424
2227	#if EV_STAT_ENABLE	2425	#if EV_STAT_ENABLE
2228		2426
2229	# ifdef _WIN32	2427	# ifdef _WIN32
…		…
2384	}	2582	}
2385		2583
2386	}	2584	}
2387	}	2585	}
2388		2586
		2587	#endif
		2588
		2589	#ifdef _WIN32
		2590	# define EV_LSTAT(p,b) _stati64 (p, b)
		2591	#else
		2592	# define EV_LSTAT(p,b) lstat (p, b)
2389	#endif	2593	#endif
2390		2594
2391	void	2595	void
2392	ev_stat_stat (EV_P_ ev_stat *w)	2596	ev_stat_stat (EV_P_ ev_stat *w)
2393	{	2597	{
…		…
2457	else	2661	else
2458	#endif	2662	#endif
2459	ev_timer_start (EV_A_ &w->timer);	2663	ev_timer_start (EV_A_ &w->timer);
2460		2664
2461	ev_start (EV_A_ (W)w, 1);	2665	ev_start (EV_A_ (W)w, 1);
		2666
		2667	EV_FREQUENT_CHECK;
2462	}	2668	}
2463		2669
2464	void	2670	void
2465	ev_stat_stop (EV_P_ ev_stat *w)	2671	ev_stat_stop (EV_P_ ev_stat *w)
2466	{	2672	{
2467	clear_pending (EV_A_ (W)w);	2673	clear_pending (EV_A_ (W)w);
2468	if (expect_false (!ev_is_active (w)))	2674	if (expect_false (!ev_is_active (w)))
2469	return;	2675	return;
2470		2676
		2677	EV_FREQUENT_CHECK;
		2678
2471	#if EV_USE_INOTIFY	2679	#if EV_USE_INOTIFY
2472	infy_del (EV_A_ w);	2680	infy_del (EV_A_ w);
2473	#endif	2681	#endif
2474	ev_timer_stop (EV_A_ &w->timer);	2682	ev_timer_stop (EV_A_ &w->timer);
2475		2683
2476	ev_stop (EV_A_ (W)w);	2684	ev_stop (EV_A_ (W)w);
		2685
		2686	EV_FREQUENT_CHECK;
2477	}	2687	}
2478	#endif	2688	#endif
2479		2689
2480	#if EV_IDLE_ENABLE	2690	#if EV_IDLE_ENABLE
2481	void	2691	void
…		…
2483	{	2693	{
2484	if (expect_false (ev_is_active (w)))	2694	if (expect_false (ev_is_active (w)))
2485	return;	2695	return;
2486		2696
2487	pri_adjust (EV_A_ (W)w);	2697	pri_adjust (EV_A_ (W)w);
		2698
		2699	EV_FREQUENT_CHECK;
2488		2700
2489	{	2701	{
2490	int active = ++idlecnt [ABSPRI (w)];	2702	int active = ++idlecnt [ABSPRI (w)];
2491		2703
2492	++idleall;	2704	++idleall;
2493	ev_start (EV_A_ (W)w, active);	2705	ev_start (EV_A_ (W)w, active);
2494		2706
2495	array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2);	2707	array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2);
2496	idles [ABSPRI (w)][active - 1] = w;	2708	idles [ABSPRI (w)][active - 1] = w;
2497	}	2709	}
		2710
		2711	EV_FREQUENT_CHECK;
2498	}	2712	}
2499		2713
2500	void	2714	void
2501	ev_idle_stop (EV_P_ ev_idle *w)	2715	ev_idle_stop (EV_P_ ev_idle *w)
2502	{	2716	{
2503	clear_pending (EV_A_ (W)w);	2717	clear_pending (EV_A_ (W)w);
2504	if (expect_false (!ev_is_active (w)))	2718	if (expect_false (!ev_is_active (w)))
2505	return;	2719	return;
2506		2720
		2721	EV_FREQUENT_CHECK;
		2722
2507	{	2723	{
2508	int active = ev_active (w);	2724	int active = ev_active (w);
2509		2725
2510	idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]];	2726	idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]];
2511	ev_active (idles [ABSPRI (w)][active - 1]) = active;	2727	ev_active (idles [ABSPRI (w)][active - 1]) = active;
2512		2728
2513	ev_stop (EV_A_ (W)w);	2729	ev_stop (EV_A_ (W)w);
2514	--idleall;	2730	--idleall;
2515	}	2731	}
		2732
		2733	EV_FREQUENT_CHECK;
2516	}	2734	}
2517	#endif	2735	#endif
2518		2736
2519	void	2737	void
2520	ev_prepare_start (EV_P_ ev_prepare *w)	2738	ev_prepare_start (EV_P_ ev_prepare *w)
2521	{	2739	{
2522	if (expect_false (ev_is_active (w)))	2740	if (expect_false (ev_is_active (w)))
2523	return;	2741	return;
		2742
		2743	EV_FREQUENT_CHECK;
2524		2744
2525	ev_start (EV_A_ (W)w, ++preparecnt);	2745	ev_start (EV_A_ (W)w, ++preparecnt);
2526	array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2);	2746	array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2);
2527	prepares [preparecnt - 1] = w;	2747	prepares [preparecnt - 1] = w;
		2748
		2749	EV_FREQUENT_CHECK;
2528	}	2750	}
2529		2751
2530	void	2752	void
2531	ev_prepare_stop (EV_P_ ev_prepare *w)	2753	ev_prepare_stop (EV_P_ ev_prepare *w)
2532	{	2754	{
2533	clear_pending (EV_A_ (W)w);	2755	clear_pending (EV_A_ (W)w);
2534	if (expect_false (!ev_is_active (w)))	2756	if (expect_false (!ev_is_active (w)))
2535	return;	2757	return;
2536		2758
		2759	EV_FREQUENT_CHECK;
		2760
2537	{	2761	{
2538	int active = ev_active (w);	2762	int active = ev_active (w);
2539		2763
2540	prepares [active - 1] = prepares [--preparecnt];	2764	prepares [active - 1] = prepares [--preparecnt];
2541	ev_active (prepares [active - 1]) = active;	2765	ev_active (prepares [active - 1]) = active;
2542	}	2766	}
2543		2767
2544	ev_stop (EV_A_ (W)w);	2768	ev_stop (EV_A_ (W)w);
		2769
		2770	EV_FREQUENT_CHECK;
2545	}	2771	}
2546		2772
2547	void	2773	void
2548	ev_check_start (EV_P_ ev_check *w)	2774	ev_check_start (EV_P_ ev_check *w)
2549	{	2775	{
2550	if (expect_false (ev_is_active (w)))	2776	if (expect_false (ev_is_active (w)))
2551	return;	2777	return;
		2778
		2779	EV_FREQUENT_CHECK;
2552		2780
2553	ev_start (EV_A_ (W)w, ++checkcnt);	2781	ev_start (EV_A_ (W)w, ++checkcnt);
2554	array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2);	2782	array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2);
2555	checks [checkcnt - 1] = w;	2783	checks [checkcnt - 1] = w;
		2784
		2785	EV_FREQUENT_CHECK;
2556	}	2786	}
2557		2787
2558	void	2788	void
2559	ev_check_stop (EV_P_ ev_check *w)	2789	ev_check_stop (EV_P_ ev_check *w)
2560	{	2790	{
2561	clear_pending (EV_A_ (W)w);	2791	clear_pending (EV_A_ (W)w);
2562	if (expect_false (!ev_is_active (w)))	2792	if (expect_false (!ev_is_active (w)))
2563	return;	2793	return;
2564		2794
		2795	EV_FREQUENT_CHECK;
		2796
2565	{	2797	{
2566	int active = ev_active (w);	2798	int active = ev_active (w);
2567		2799
2568	checks [active - 1] = checks [--checkcnt];	2800	checks [active - 1] = checks [--checkcnt];
2569	ev_active (checks [active - 1]) = active;	2801	ev_active (checks [active - 1]) = active;
2570	}	2802	}
2571		2803
2572	ev_stop (EV_A_ (W)w);	2804	ev_stop (EV_A_ (W)w);
		2805
		2806	EV_FREQUENT_CHECK;
2573	}	2807	}
2574		2808
2575	#if EV_EMBED_ENABLE	2809	#if EV_EMBED_ENABLE
2576	void noinline	2810	void noinline
2577	ev_embed_sweep (EV_P_ ev_embed *w)	2811	ev_embed_sweep (EV_P_ ev_embed *w)
…		…
2604	ev_loop (EV_A_ EVLOOP_NONBLOCK);	2838	ev_loop (EV_A_ EVLOOP_NONBLOCK);
2605	}	2839	}
2606	}	2840	}
2607	}	2841	}
2608		2842
		2843	static void
		2844	embed_fork_cb (EV_P_ ev_fork *fork_w, int revents)
		2845	{
		2846	ev_embed w = (ev_embed )(((char *)fork_w) - offsetof (ev_embed, fork));
		2847
		2848	{
		2849	struct ev_loop *loop = w->other;
		2850
		2851	ev_loop_fork (EV_A);
		2852	}
		2853	}
		2854
2609	#if 0	2855	#if 0
2610	static void	2856	static void
2611	embed_idle_cb (EV_P_ ev_idle *idle, int revents)	2857	embed_idle_cb (EV_P_ ev_idle *idle, int revents)
2612	{	2858	{
2613	ev_idle_stop (EV_A_ idle);	2859	ev_idle_stop (EV_A_ idle);
…		…
2624	struct ev_loop *loop = w->other;	2870	struct ev_loop *loop = w->other;
2625	assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ()));	2871	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);	2872	ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ);
2627	}	2873	}
2628		2874
		2875	EV_FREQUENT_CHECK;
		2876
2629	ev_set_priority (&w->io, ev_priority (w));	2877	ev_set_priority (&w->io, ev_priority (w));
2630	ev_io_start (EV_A_ &w->io);	2878	ev_io_start (EV_A_ &w->io);
2631		2879
2632	ev_prepare_init (&w->prepare, embed_prepare_cb);	2880	ev_prepare_init (&w->prepare, embed_prepare_cb);
2633	ev_set_priority (&w->prepare, EV_MINPRI);	2881	ev_set_priority (&w->prepare, EV_MINPRI);
2634	ev_prepare_start (EV_A_ &w->prepare);	2882	ev_prepare_start (EV_A_ &w->prepare);
2635		2883
		2884	ev_fork_init (&w->fork, embed_fork_cb);
		2885	ev_fork_start (EV_A_ &w->fork);
		2886
2636	/ev_idle_init (&w->idle, e,bed_idle_cb);/	2887	/ev_idle_init (&w->idle, e,bed_idle_cb);/
2637		2888
2638	ev_start (EV_A_ (W)w, 1);	2889	ev_start (EV_A_ (W)w, 1);
		2890
		2891	EV_FREQUENT_CHECK;
2639	}	2892	}
2640		2893
2641	void	2894	void
2642	ev_embed_stop (EV_P_ ev_embed *w)	2895	ev_embed_stop (EV_P_ ev_embed *w)
2643	{	2896	{
2644	clear_pending (EV_A_ (W)w);	2897	clear_pending (EV_A_ (W)w);
2645	if (expect_false (!ev_is_active (w)))	2898	if (expect_false (!ev_is_active (w)))
2646	return;	2899	return;
2647		2900
		2901	EV_FREQUENT_CHECK;
		2902
2648	ev_io_stop (EV_A_ &w->io);	2903	ev_io_stop (EV_A_ &w->io);
2649	ev_prepare_stop (EV_A_ &w->prepare);	2904	ev_prepare_stop (EV_A_ &w->prepare);
		2905	ev_fork_stop (EV_A_ &w->fork);
2650		2906
2651	ev_stop (EV_A_ (W)w);	2907	EV_FREQUENT_CHECK;
2652	}	2908	}
2653	#endif	2909	#endif
2654		2910
2655	#if EV_FORK_ENABLE	2911	#if EV_FORK_ENABLE
2656	void	2912	void
2657	ev_fork_start (EV_P_ ev_fork *w)	2913	ev_fork_start (EV_P_ ev_fork *w)
2658	{	2914	{
2659	if (expect_false (ev_is_active (w)))	2915	if (expect_false (ev_is_active (w)))
2660	return;	2916	return;
		2917
		2918	EV_FREQUENT_CHECK;
2661		2919
2662	ev_start (EV_A_ (W)w, ++forkcnt);	2920	ev_start (EV_A_ (W)w, ++forkcnt);
2663	array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2);	2921	array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2);
2664	forks [forkcnt - 1] = w;	2922	forks [forkcnt - 1] = w;
		2923
		2924	EV_FREQUENT_CHECK;
2665	}	2925	}
2666		2926
2667	void	2927	void
2668	ev_fork_stop (EV_P_ ev_fork *w)	2928	ev_fork_stop (EV_P_ ev_fork *w)
2669	{	2929	{
2670	clear_pending (EV_A_ (W)w);	2930	clear_pending (EV_A_ (W)w);
2671	if (expect_false (!ev_is_active (w)))	2931	if (expect_false (!ev_is_active (w)))
2672	return;	2932	return;
2673		2933
		2934	EV_FREQUENT_CHECK;
		2935
2674	{	2936	{
2675	int active = ev_active (w);	2937	int active = ev_active (w);
2676		2938
2677	forks [active - 1] = forks [--forkcnt];	2939	forks [active - 1] = forks [--forkcnt];
2678	ev_active (forks [active - 1]) = active;	2940	ev_active (forks [active - 1]) = active;
2679	}	2941	}
2680		2942
2681	ev_stop (EV_A_ (W)w);	2943	ev_stop (EV_A_ (W)w);
		2944
		2945	EV_FREQUENT_CHECK;
2682	}	2946	}
2683	#endif	2947	#endif
2684		2948
2685	#if EV_ASYNC_ENABLE	2949	#if EV_ASYNC_ENABLE
2686	void	2950	void
…		…
2688	{	2952	{
2689	if (expect_false (ev_is_active (w)))	2953	if (expect_false (ev_is_active (w)))
2690	return;	2954	return;
2691		2955
2692	evpipe_init (EV_A);	2956	evpipe_init (EV_A);
		2957
		2958	EV_FREQUENT_CHECK;
2693		2959
2694	ev_start (EV_A_ (W)w, ++asynccnt);	2960	ev_start (EV_A_ (W)w, ++asynccnt);
2695	array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2);	2961	array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2);
2696	asyncs [asynccnt - 1] = w;	2962	asyncs [asynccnt - 1] = w;
		2963
		2964	EV_FREQUENT_CHECK;
2697	}	2965	}
2698		2966
2699	void	2967	void
2700	ev_async_stop (EV_P_ ev_async *w)	2968	ev_async_stop (EV_P_ ev_async *w)
2701	{	2969	{
2702	clear_pending (EV_A_ (W)w);	2970	clear_pending (EV_A_ (W)w);
2703	if (expect_false (!ev_is_active (w)))	2971	if (expect_false (!ev_is_active (w)))
2704	return;	2972	return;
2705		2973
		2974	EV_FREQUENT_CHECK;
		2975
2706	{	2976	{
2707	int active = ev_active (w);	2977	int active = ev_active (w);
2708		2978
2709	asyncs [active - 1] = asyncs [--asynccnt];	2979	asyncs [active - 1] = asyncs [--asynccnt];
2710	ev_active (asyncs [active - 1]) = active;	2980	ev_active (asyncs [active - 1]) = active;
2711	}	2981	}
2712		2982
2713	ev_stop (EV_A_ (W)w);	2983	ev_stop (EV_A_ (W)w);
		2984
		2985	EV_FREQUENT_CHECK;
2714	}	2986	}
2715		2987
2716	void	2988	void
2717	ev_async_send (EV_P_ ev_async *w)	2989	ev_async_send (EV_P_ ev_async *w)
2718	{	2990	{
…		…
2735	once_cb (EV_P_ struct ev_once *once, int revents)	3007	once_cb (EV_P_ struct ev_once *once, int revents)
2736	{	3008	{
2737	void (cb)(int revents, void arg) = once->cb;	3009	void (cb)(int revents, void arg) = once->cb;
2738	void *arg = once->arg;	3010	void *arg = once->arg;
2739		3011
2740	ev_io_stop (EV_A_ &once->io);	3012	ev_io_stop (EV_A_ &once->io);
2741	ev_timer_stop (EV_A_ &once->to);	3013	ev_timer_stop (EV_A_ &once->to);
2742	ev_free (once);	3014	ev_free (once);
2743		3015
2744	cb (revents, arg);	3016	cb (revents, arg);
2745	}	3017	}
2746		3018
2747	static void	3019	static void
2748	once_cb_io (EV_P_ ev_io *w, int revents)	3020	once_cb_io (EV_P_ ev_io *w, int revents)
2749	{	3021	{
2750	once_cb (EV_A_ (struct ev_once )(((char )w) - offsetof (struct ev_once, io)), revents);	3022	struct ev_once once = (struct ev_once )(((char *)w) - offsetof (struct ev_once, io));
		3023
		3024	once_cb (EV_A_ once, revents \| ev_clear_pending (EV_A_ &once->to));
2751	}	3025	}
2752		3026
2753	static void	3027	static void
2754	once_cb_to (EV_P_ ev_timer *w, int revents)	3028	once_cb_to (EV_P_ ev_timer *w, int revents)
2755	{	3029	{
2756	once_cb (EV_A_ (struct ev_once )(((char )w) - offsetof (struct ev_once, to)), revents);	3030	struct ev_once once = (struct ev_once )(((char *)w) - offsetof (struct ev_once, to));
		3031
		3032	once_cb (EV_A_ once, revents \| ev_clear_pending (EV_A_ &once->io));
2757	}	3033	}
2758		3034
2759	void	3035	void
2760	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (cb)(int revents, void arg), void *arg)	3036	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (cb)(int revents, void arg), void *arg)
2761	{	3037	{

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Comparing libev/ev.c (file contents): Revision 1.243 by root, Fri May 9 15:52:13 2008 UTC vs. Revision 1.263 by root, Wed Oct 1 18:50:03 2008 UTC

Diff Legend

Comparing libev/ev.c (file contents):
Revision 1.243 by root, Fri May 9 15:52:13 2008 UTC vs.
Revision 1.263 by root, Wed Oct 1 18:50:03 2008 UTC