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

Comparing libev/ev.c (file contents):
Revision 1.247 by root, Wed May 21 21:22:10 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
…		…
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	#define HPARENT(k) ((((k) - HEAP0 - 1) / DHEAP) + HEAP0)	840	#define HPARENT(k) ((((k) - HEAP0 - 1) / DHEAP) + HEAP0)
808		841	#define UPHEAP_DONE(p,k) ((p) == (k))
809	/* towards the root */
810	void inline_speed
811	upheap (ANHE *heap, int k)
812	{
813	ANHE he = heap [k];
814
815	for (;;)
816	{
817	int p = HPARENT (k);
818
819	if (p == k \|\| ANHE_at (heap [p]) <= ANHE_at (he))
820	break;
821
822	heap [k] = heap [p];
823	ev_active (ANHE_w (heap [k])) = k;
824	k = p;
825	}
826
827	heap [k] = he;
828	ev_active (ANHE_w (he)) = k;
829	}
830		842
831	/* away from the root */	843	/* away from the root */
832	void inline_speed	844	void inline_speed
833	downheap (ANHE *heap, int N, int k)	845	downheap (ANHE *heap, int N, int k)
834	{	846	{
…		…
837		849
838	for (;;)	850	for (;;)
839	{	851	{
840	ev_tstamp minat;	852	ev_tstamp minat;
841	ANHE *minpos;	853	ANHE *minpos;
842	ANHE pos = heap + DHEAP (k - HEAP0) + HEAP0;	854	ANHE pos = heap + DHEAP (k - HEAP0) + HEAP0 + 1;
843		855
844	// find minimum child	856	/* find minimum child */
845	if (expect_true (pos + DHEAP - 1 < E))	857	if (expect_true (pos + DHEAP - 1 < E))
846	{	858	{
847	/* fast path / (minpos = pos + 0), (minat = ANHE_at (minpos));	859	/* fast path / (minpos = pos + 0), (minat = ANHE_at (minpos));
848	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));
849	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));
…		…
870		882
871	heap [k] = he;	883	heap [k] = he;
872	ev_active (ANHE_w (he)) = k;	884	ev_active (ANHE_w (he)) = k;
873	}	885	}
874		886
875	#else // 4HEAP	887	#else /* 4HEAP */
876		888
877	#define HEAP0 1	889	#define HEAP0 1
878	#define HPARENT(k) ((k) >> 1)	890	#define HPARENT(k) ((k) >> 1)
879		891	#define UPHEAP_DONE(p,k) (!(p))
880	/* towards the root */
881	void inline_speed
882	upheap (ANHE *heap, int k)
883	{
884	ANHE he = heap [k];
885
886	for (;;)
887	{
888	int p = HPARENT (k);
889
890	/* maybe we could use a dummy element at heap [0]? */
891	if (!p \|\| ANHE_at (heap [p]) <= ANHE_at (he))
892	break;
893
894	heap [k] = heap [p];
895	ev_active (ANHE_w (heap [k])) = k;
896	k = p;
897	}
898
899	heap [k] = he;
900	ev_active (ANHE_w (heap [k])) = k;
901	}
902		892
903	/* away from the root */	893	/* away from the root */
904	void inline_speed	894	void inline_speed
905	downheap (ANHE *heap, int N, int k)	895	downheap (ANHE *heap, int N, int k)
906	{	896	{
…		…
908		898
909	for (;;)	899	for (;;)
910	{	900	{
911	int c = k << 1;	901	int c = k << 1;
912		902
913	if (c > N)	903	if (c > N + HEAP0 - 1)
914	break;	904	break;
915		905
916	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])
917	? 1 : 0;	907	? 1 : 0;
918		908
919	if (ANHE_at (he) <= ANHE_at (heap [c]))	909	if (ANHE_at (he) <= ANHE_at (heap [c]))
920	break;	910	break;
921		911
…		…
928	heap [k] = he;	918	heap [k] = he;
929	ev_active (ANHE_w (he)) = k;	919	ev_active (ANHE_w (he)) = k;
930	}	920	}
931	#endif	921	#endif
932		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
933	void inline_size	945	void inline_size
934	adjustheap (ANHE *heap, int N, int k)	946	adjustheap (ANHE *heap, int N, int k)
935	{	947	{
936	if (k > HEAP0 && ANHE_at (heap [HPARENT (k)]) >= ANHE_at (heap [k]))	948	if (k > HEAP0 && ANHE_at (heap [HPARENT (k)]) >= ANHE_at (heap [k]))
937	upheap (heap, k);	949	upheap (heap, k);
938	else	950	else
939	downheap (heap, N, k);	951	downheap (heap, N, k);
940	}	952	}
941		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);
		964	}
		965
942	/*****************************************************************************/	966	/*****************************************************************************/
943		967
944	typedef struct	968	typedef struct
945	{	969	{
946	WL head;	970	WL head;
…		…
968		992
969	void inline_speed	993	void inline_speed
970	fd_intern (int fd)	994	fd_intern (int fd)
971	{	995	{
972	#ifdef _WIN32	996	#ifdef _WIN32
973	int arg = 1;	997	unsigned long arg = 1;
974	ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg);	998	ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg);
975	#else	999	#else
976	fcntl (fd, F_SETFD, FD_CLOEXEC);	1000	fcntl (fd, F_SETFD, FD_CLOEXEC);
977	fcntl (fd, F_SETFL, O_NONBLOCK);	1001	fcntl (fd, F_SETFL, O_NONBLOCK);
978	#endif	1002	#endif
…		…
1462		1486
1463	postfork = 0;	1487	postfork = 0;
1464	}	1488	}
1465		1489
1466	#if EV_MULTIPLICITY	1490	#if EV_MULTIPLICITY
		1491
1467	struct ev_loop *	1492	struct ev_loop *
1468	ev_loop_new (unsigned int flags)	1493	ev_loop_new (unsigned int flags)
1469	{	1494	{
1470	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));
1471		1496
…		…
1489	void	1514	void
1490	ev_loop_fork (EV_P)	1515	ev_loop_fork (EV_P)
1491	{	1516	{
1492	postfork = 1; /* must be in line with ev_default_fork */	1517	postfork = 1; /* must be in line with ev_default_fork */
1493	}	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)
1494	#endif	1615	# endif
		1616	#endif
		1617	}
		1618
		1619	#endif /* multiplicity */
1495		1620
1496	#if EV_MULTIPLICITY	1621	#if EV_MULTIPLICITY
1497	struct ev_loop *	1622	struct ev_loop *
1498	ev_default_loop_init (unsigned int flags)	1623	ev_default_loop_init (unsigned int flags)
1499	#else	1624	#else
…		…
1575	{	1700	{
1576	/assert (("non-pending watcher on pending list", p->w->pending));/	1701	/assert (("non-pending watcher on pending list", p->w->pending));/
1577		1702
1578	p->w->pending = 0;	1703	p->w->pending = 0;
1579	EV_CB_INVOKE (p->w, p->events);	1704	EV_CB_INVOKE (p->w, p->events);
		1705	EV_FREQUENT_CHECK;
1580	}	1706	}
1581	}	1707	}
1582	}	1708	}
1583		1709
1584	#if EV_IDLE_ENABLE	1710	#if EV_IDLE_ENABLE
…		…
1605	#endif	1731	#endif
1606		1732
1607	void inline_size	1733	void inline_size
1608	timers_reify (EV_P)	1734	timers_reify (EV_P)
1609	{	1735	{
		1736	EV_FREQUENT_CHECK;
		1737
1610	while (timercnt && ANHE_at (timers [HEAP0]) < mn_now)	1738	while (timercnt && ANHE_at (timers [HEAP0]) < mn_now)
1611	{	1739	{
1612	ev_timer w = (ev_timer )ANHE_w (timers [HEAP0]);	1740	ev_timer w = (ev_timer )ANHE_w (timers [HEAP0]);
1613		1741
1614	/assert (("inactive timer on timer heap detected", ev_is_active (w)));/	1742	/assert (("inactive timer on timer heap detected", ev_is_active (w)));/
…		…
1620	if (ev_at (w) < mn_now)	1748	if (ev_at (w) < mn_now)
1621	ev_at (w) = mn_now;	1749	ev_at (w) = mn_now;
1622		1750
1623	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.));
1624		1752
1625	ANHE_at_set (timers [HEAP0]);	1753	ANHE_at_cache (timers [HEAP0]);
1626	downheap (timers, timercnt, HEAP0);	1754	downheap (timers, timercnt, HEAP0);
1627	}	1755	}
1628	else	1756	else
1629	ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */	1757	ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */
1630		1758
		1759	EV_FREQUENT_CHECK;
1631	ev_feed_event (EV_A_ (W)w, EV_TIMEOUT);	1760	ev_feed_event (EV_A_ (W)w, EV_TIMEOUT);
1632	}	1761	}
1633	}	1762	}
1634		1763
1635	#if EV_PERIODIC_ENABLE	1764	#if EV_PERIODIC_ENABLE
1636	void inline_size	1765	void inline_size
1637	periodics_reify (EV_P)	1766	periodics_reify (EV_P)
1638	{	1767	{
		1768	EV_FREQUENT_CHECK;
		1769
1639	while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)	1770	while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)
1640	{	1771	{
1641	ev_periodic w = (ev_periodic )ANHE_w (periodics [HEAP0]);	1772	ev_periodic w = (ev_periodic )ANHE_w (periodics [HEAP0]);
1642		1773
1643	/assert (("inactive timer on periodic heap detected", ev_is_active (w)));/	1774	/assert (("inactive timer on periodic heap detected", ev_is_active (w)));/
…		…
1647	{	1778	{
1648	ev_at (w) = w->reschedule_cb (w, ev_rt_now);	1779	ev_at (w) = w->reschedule_cb (w, ev_rt_now);
1649		1780
1650	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));
1651		1782
1652	ANHE_at_set (periodics [HEAP0]);	1783	ANHE_at_cache (periodics [HEAP0]);
1653	downheap (periodics, periodiccnt, HEAP0);	1784	downheap (periodics, periodiccnt, HEAP0);
1654	}	1785	}
1655	else if (w->interval)	1786	else if (w->interval)
1656	{	1787	{
1657	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;
…		…
1666	/* has effectively asked to get triggered more often than possible */	1797	/* has effectively asked to get triggered more often than possible */
1667	if (ev_at (w) < ev_rt_now)	1798	if (ev_at (w) < ev_rt_now)
1668	ev_at (w) = ev_rt_now;	1799	ev_at (w) = ev_rt_now;
1669	}	1800	}
1670		1801
1671	ANHE_at_set (periodics [HEAP0]);	1802	ANHE_at_cache (periodics [HEAP0]);
1672	downheap (periodics, periodiccnt, HEAP0);	1803	downheap (periodics, periodiccnt, HEAP0);
1673	}	1804	}
1674	else	1805	else
1675	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */	1806	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */
1676		1807
		1808	EV_FREQUENT_CHECK;
1677	ev_feed_event (EV_A_ (W)w, EV_PERIODIC);	1809	ev_feed_event (EV_A_ (W)w, EV_PERIODIC);
1678	}	1810	}
1679	}	1811	}
1680		1812
1681	static void noinline	1813	static void noinline
…		…
1691	if (w->reschedule_cb)	1823	if (w->reschedule_cb)
1692	ev_at (w) = w->reschedule_cb (w, ev_rt_now);	1824	ev_at (w) = w->reschedule_cb (w, ev_rt_now);
1693	else if (w->interval)	1825	else if (w->interval)
1694	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;
1695		1827
1696	ANHE_at_set (periodics [i]);	1828	ANHE_at_cache (periodics [i]);
1697	}	1829	}
1698		1830
1699	/* we don't use floyds algorithm, uphead is simpler and is more cache-efficient */	1831	reheap (periodics, periodiccnt);
1700	/* also, this is easy and corretc for both 2-heaps and 4-heaps */
1701	for (i = 0; i < periodiccnt; ++i)
1702	upheap (periodics, i + HEAP0);
1703	}	1832	}
1704	#endif	1833	#endif
1705		1834
1706	void inline_speed	1835	void inline_speed
1707	time_update (EV_P_ ev_tstamp max_block)	1836	time_update (EV_P_ ev_tstamp max_block)
…		…
1765	/* 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 */
1766	for (i = 0; i < timercnt; ++i)	1895	for (i = 0; i < timercnt; ++i)
1767	{	1896	{
1768	ANHE *he = timers + i + HEAP0;	1897	ANHE *he = timers + i + HEAP0;
1769	ANHE_w (*he)->at += ev_rt_now - mn_now;	1898	ANHE_w (*he)->at += ev_rt_now - mn_now;
1770	ANHE_at_set (*he);	1899	ANHE_at_cache (*he);
1771	}	1900	}
1772	}	1901	}
1773		1902
1774	mn_now = ev_rt_now;	1903	mn_now = ev_rt_now;
1775	}	1904	}
…		…
1785	ev_unref (EV_P)	1914	ev_unref (EV_P)
1786	{	1915	{
1787	--activecnt;	1916	--activecnt;
1788	}	1917	}
1789		1918
		1919	void
		1920	ev_now_update (EV_P)
		1921	{
		1922	time_update (EV_A_ 1e100);
		1923	}
		1924
1790	static int loop_done;	1925	static int loop_done;
1791		1926
1792	void	1927	void
1793	ev_loop (EV_P_ int flags)	1928	ev_loop (EV_P_ int flags)
1794	{	1929	{
…		…
1796		1931
1797	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 */
1798		1933
1799	do	1934	do
1800	{	1935	{
		1936	#if EV_VERIFY >= 2
		1937	ev_loop_verify (EV_A);
		1938	#endif
		1939
1801	#ifndef _WIN32	1940	#ifndef _WIN32
1802	if (expect_false (curpid)) /* penalise the forking check even more */	1941	if (expect_false (curpid)) /* penalise the forking check even more */
1803	if (expect_false (getpid () != curpid))	1942	if (expect_false (getpid () != curpid))
1804	{	1943	{
1805	curpid = getpid ();	1944	curpid = getpid ();
…		…
2000	if (expect_false (ev_is_active (w)))	2139	if (expect_false (ev_is_active (w)))
2001	return;	2140	return;
2002		2141
2003	assert (("ev_io_start called with negative fd", fd >= 0));	2142	assert (("ev_io_start called with negative fd", fd >= 0));
2004		2143
		2144	EV_FREQUENT_CHECK;
		2145
2005	ev_start (EV_A_ (W)w, 1);	2146	ev_start (EV_A_ (W)w, 1);
2006	array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init);	2147	array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init);
2007	wlist_add (&anfds[fd].head, (WL)w);	2148	wlist_add (&anfds[fd].head, (WL)w);
2008		2149
2009	fd_change (EV_A_ fd, w->events & EV_IOFDSET \| 1);	2150	fd_change (EV_A_ fd, w->events & EV_IOFDSET \| 1);
2010	w->events &= ~EV_IOFDSET;	2151	w->events &= ~EV_IOFDSET;
		2152
		2153	EV_FREQUENT_CHECK;
2011	}	2154	}
2012		2155
2013	void noinline	2156	void noinline
2014	ev_io_stop (EV_P_ ev_io *w)	2157	ev_io_stop (EV_P_ ev_io *w)
2015	{	2158	{
…		…
2017	if (expect_false (!ev_is_active (w)))	2160	if (expect_false (!ev_is_active (w)))
2018	return;	2161	return;
2019		2162
2020	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));
2021		2164
		2165	EV_FREQUENT_CHECK;
		2166
2022	wlist_del (&anfds[w->fd].head, (WL)w);	2167	wlist_del (&anfds[w->fd].head, (WL)w);
2023	ev_stop (EV_A_ (W)w);	2168	ev_stop (EV_A_ (W)w);
2024		2169
2025	fd_change (EV_A_ w->fd, 1);	2170	fd_change (EV_A_ w->fd, 1);
		2171
		2172	EV_FREQUENT_CHECK;
2026	}	2173	}
2027		2174
2028	void noinline	2175	void noinline
2029	ev_timer_start (EV_P_ ev_timer *w)	2176	ev_timer_start (EV_P_ ev_timer *w)
2030	{	2177	{
…		…
2033		2180
2034	ev_at (w) += mn_now;	2181	ev_at (w) += mn_now;
2035		2182
2036	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.));
2037		2184
		2185	EV_FREQUENT_CHECK;
		2186
		2187	++timercnt;
2038	ev_start (EV_A_ (W)w, ++timercnt + HEAP0 - 1);	2188	ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1);
2039	array_needsize (ANHE, timers, timermax, ev_active (w) + 1, EMPTY2);	2189	array_needsize (ANHE, timers, timermax, ev_active (w) + 1, EMPTY2);
2040	ANHE_w (timers [ev_active (w)]) = (WT)w;	2190	ANHE_w (timers [ev_active (w)]) = (WT)w;
2041	ANHE_at_set (timers [ev_active (w)]);	2191	ANHE_at_cache (timers [ev_active (w)]);
2042	upheap (timers, ev_active (w));	2192	upheap (timers, ev_active (w));
		2193
		2194	EV_FREQUENT_CHECK;
2043		2195
2044	/assert (("internal timer heap corruption", timers [ev_active (w)] == (WT)w));/	2196	/assert (("internal timer heap corruption", timers [ev_active (w)] == (WT)w));/
2045	}	2197	}
2046		2198
2047	void noinline	2199	void noinline
…		…
2049	{	2201	{
2050	clear_pending (EV_A_ (W)w);	2202	clear_pending (EV_A_ (W)w);
2051	if (expect_false (!ev_is_active (w)))	2203	if (expect_false (!ev_is_active (w)))
2052	return;	2204	return;
2053		2205
		2206	EV_FREQUENT_CHECK;
		2207
2054	{	2208	{
2055	int active = ev_active (w);	2209	int active = ev_active (w);
2056		2210
2057	assert (("internal timer heap corruption", ANHE_w (timers [active]) == (WT)w));	2211	assert (("internal timer heap corruption", ANHE_w (timers [active]) == (WT)w));
2058		2212
		2213	--timercnt;
		2214
2059	if (expect_true (active < timercnt + HEAP0 - 1))	2215	if (expect_true (active < timercnt + HEAP0))
2060	{	2216	{
2061	timers [active] = timers [timercnt + HEAP0 - 1];	2217	timers [active] = timers [timercnt + HEAP0];
2062	adjustheap (timers, timercnt, active);	2218	adjustheap (timers, timercnt, active);
2063	}	2219	}
2064
2065	--timercnt;
2066	}	2220	}
		2221
		2222	EV_FREQUENT_CHECK;
2067		2223
2068	ev_at (w) -= mn_now;	2224	ev_at (w) -= mn_now;
2069		2225
2070	ev_stop (EV_A_ (W)w);	2226	ev_stop (EV_A_ (W)w);
2071	}	2227	}
2072		2228
2073	void noinline	2229	void noinline
2074	ev_timer_again (EV_P_ ev_timer *w)	2230	ev_timer_again (EV_P_ ev_timer *w)
2075	{	2231	{
		2232	EV_FREQUENT_CHECK;
		2233
2076	if (ev_is_active (w))	2234	if (ev_is_active (w))
2077	{	2235	{
2078	if (w->repeat)	2236	if (w->repeat)
2079	{	2237	{
2080	ev_at (w) = mn_now + w->repeat;	2238	ev_at (w) = mn_now + w->repeat;
2081	ANHE_at_set (timers [ev_active (w)]);	2239	ANHE_at_cache (timers [ev_active (w)]);
2082	adjustheap (timers, timercnt, ev_active (w));	2240	adjustheap (timers, timercnt, ev_active (w));
2083	}	2241	}
2084	else	2242	else
2085	ev_timer_stop (EV_A_ w);	2243	ev_timer_stop (EV_A_ w);
2086	}	2244	}
2087	else if (w->repeat)	2245	else if (w->repeat)
2088	{	2246	{
2089	ev_at (w) = w->repeat;	2247	ev_at (w) = w->repeat;
2090	ev_timer_start (EV_A_ w);	2248	ev_timer_start (EV_A_ w);
2091	}	2249	}
		2250
		2251	EV_FREQUENT_CHECK;
2092	}	2252	}
2093		2253
2094	#if EV_PERIODIC_ENABLE	2254	#if EV_PERIODIC_ENABLE
2095	void noinline	2255	void noinline
2096	ev_periodic_start (EV_P_ ev_periodic *w)	2256	ev_periodic_start (EV_P_ ev_periodic *w)
…		…
2107	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;
2108	}	2268	}
2109	else	2269	else
2110	ev_at (w) = w->offset;	2270	ev_at (w) = w->offset;
2111		2271
		2272	EV_FREQUENT_CHECK;
		2273
		2274	++periodiccnt;
2112	ev_start (EV_A_ (W)w, ++periodiccnt + HEAP0 - 1);	2275	ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1);
2113	array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, EMPTY2);	2276	array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, EMPTY2);
2114	ANHE_w (periodics [ev_active (w)]) = (WT)w;	2277	ANHE_w (periodics [ev_active (w)]) = (WT)w;
2115	ANHE_at_set (periodics [ev_active (w)]);	2278	ANHE_at_cache (periodics [ev_active (w)]);
2116	upheap (periodics, ev_active (w));	2279	upheap (periodics, ev_active (w));
		2280
		2281	EV_FREQUENT_CHECK;
2117		2282
2118	/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));/
2119	}	2284	}
2120		2285
2121	void noinline	2286	void noinline
…		…
2123	{	2288	{
2124	clear_pending (EV_A_ (W)w);	2289	clear_pending (EV_A_ (W)w);
2125	if (expect_false (!ev_is_active (w)))	2290	if (expect_false (!ev_is_active (w)))
2126	return;	2291	return;
2127		2292
		2293	EV_FREQUENT_CHECK;
		2294
2128	{	2295	{
2129	int active = ev_active (w);	2296	int active = ev_active (w);
2130		2297
2131	assert (("internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w));	2298	assert (("internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w));
2132		2299
		2300	--periodiccnt;
		2301
2133	if (expect_true (active < periodiccnt + HEAP0 - 1))	2302	if (expect_true (active < periodiccnt + HEAP0))
2134	{	2303	{
2135	periodics [active] = periodics [periodiccnt + HEAP0 - 1];	2304	periodics [active] = periodics [periodiccnt + HEAP0];
2136	adjustheap (periodics, periodiccnt, active);	2305	adjustheap (periodics, periodiccnt, active);
2137	}	2306	}
2138
2139	--periodiccnt;
2140	}	2307	}
		2308
		2309	EV_FREQUENT_CHECK;
2141		2310
2142	ev_stop (EV_A_ (W)w);	2311	ev_stop (EV_A_ (W)w);
2143	}	2312	}
2144		2313
2145	void noinline	2314	void noinline
…		…
2165	return;	2334	return;
2166		2335
2167	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));
2168		2337
2169	evpipe_init (EV_A);	2338	evpipe_init (EV_A);
		2339
		2340	EV_FREQUENT_CHECK;
2170		2341
2171	{	2342	{
2172	#ifndef _WIN32	2343	#ifndef _WIN32
2173	sigset_t full, prev;	2344	sigset_t full, prev;
2174	sigfillset (&full);	2345	sigfillset (&full);
…		…
2195	sigfillset (&sa.sa_mask);	2366	sigfillset (&sa.sa_mask);
2196	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 */
2197	sigaction (w->signum, &sa, 0);	2368	sigaction (w->signum, &sa, 0);
2198	#endif	2369	#endif
2199	}	2370	}
		2371
		2372	EV_FREQUENT_CHECK;
2200	}	2373	}
2201		2374
2202	void noinline	2375	void noinline
2203	ev_signal_stop (EV_P_ ev_signal *w)	2376	ev_signal_stop (EV_P_ ev_signal *w)
2204	{	2377	{
2205	clear_pending (EV_A_ (W)w);	2378	clear_pending (EV_A_ (W)w);
2206	if (expect_false (!ev_is_active (w)))	2379	if (expect_false (!ev_is_active (w)))
2207	return;	2380	return;
2208		2381
		2382	EV_FREQUENT_CHECK;
		2383
2209	wlist_del (&signals [w->signum - 1].head, (WL)w);	2384	wlist_del (&signals [w->signum - 1].head, (WL)w);
2210	ev_stop (EV_A_ (W)w);	2385	ev_stop (EV_A_ (W)w);
2211		2386
2212	if (!signals [w->signum - 1].head)	2387	if (!signals [w->signum - 1].head)
2213	signal (w->signum, SIG_DFL);	2388	signal (w->signum, SIG_DFL);
		2389
		2390	EV_FREQUENT_CHECK;
2214	}	2391	}
2215		2392
2216	void	2393	void
2217	ev_child_start (EV_P_ ev_child *w)	2394	ev_child_start (EV_P_ ev_child *w)
2218	{	2395	{
…		…
2220	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));
2221	#endif	2398	#endif
2222	if (expect_false (ev_is_active (w)))	2399	if (expect_false (ev_is_active (w)))
2223	return;	2400	return;
2224		2401
		2402	EV_FREQUENT_CHECK;
		2403
2225	ev_start (EV_A_ (W)w, 1);	2404	ev_start (EV_A_ (W)w, 1);
2226	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;
2227	}	2408	}
2228		2409
2229	void	2410	void
2230	ev_child_stop (EV_P_ ev_child *w)	2411	ev_child_stop (EV_P_ ev_child *w)
2231	{	2412	{
2232	clear_pending (EV_A_ (W)w);	2413	clear_pending (EV_A_ (W)w);
2233	if (expect_false (!ev_is_active (w)))	2414	if (expect_false (!ev_is_active (w)))
2234	return;	2415	return;
2235		2416
		2417	EV_FREQUENT_CHECK;
		2418
2236	wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);	2419	wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);
2237	ev_stop (EV_A_ (W)w);	2420	ev_stop (EV_A_ (W)w);
		2421
		2422	EV_FREQUENT_CHECK;
2238	}	2423	}
2239		2424
2240	#if EV_STAT_ENABLE	2425	#if EV_STAT_ENABLE
2241		2426
2242	# ifdef _WIN32	2427	# ifdef _WIN32
…		…
2397	}	2582	}
2398		2583
2399	}	2584	}
2400	}	2585	}
2401		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)
2402	#endif	2593	#endif
2403		2594
2404	void	2595	void
2405	ev_stat_stat (EV_P_ ev_stat *w)	2596	ev_stat_stat (EV_P_ ev_stat *w)
2406	{	2597	{
…		…
2470	else	2661	else
2471	#endif	2662	#endif
2472	ev_timer_start (EV_A_ &w->timer);	2663	ev_timer_start (EV_A_ &w->timer);
2473		2664
2474	ev_start (EV_A_ (W)w, 1);	2665	ev_start (EV_A_ (W)w, 1);
		2666
		2667	EV_FREQUENT_CHECK;
2475	}	2668	}
2476		2669
2477	void	2670	void
2478	ev_stat_stop (EV_P_ ev_stat *w)	2671	ev_stat_stop (EV_P_ ev_stat *w)
2479	{	2672	{
2480	clear_pending (EV_A_ (W)w);	2673	clear_pending (EV_A_ (W)w);
2481	if (expect_false (!ev_is_active (w)))	2674	if (expect_false (!ev_is_active (w)))
2482	return;	2675	return;
2483		2676
		2677	EV_FREQUENT_CHECK;
		2678
2484	#if EV_USE_INOTIFY	2679	#if EV_USE_INOTIFY
2485	infy_del (EV_A_ w);	2680	infy_del (EV_A_ w);
2486	#endif	2681	#endif
2487	ev_timer_stop (EV_A_ &w->timer);	2682	ev_timer_stop (EV_A_ &w->timer);
2488		2683
2489	ev_stop (EV_A_ (W)w);	2684	ev_stop (EV_A_ (W)w);
		2685
		2686	EV_FREQUENT_CHECK;
2490	}	2687	}
2491	#endif	2688	#endif
2492		2689
2493	#if EV_IDLE_ENABLE	2690	#if EV_IDLE_ENABLE
2494	void	2691	void
…		…
2496	{	2693	{
2497	if (expect_false (ev_is_active (w)))	2694	if (expect_false (ev_is_active (w)))
2498	return;	2695	return;
2499		2696
2500	pri_adjust (EV_A_ (W)w);	2697	pri_adjust (EV_A_ (W)w);
		2698
		2699	EV_FREQUENT_CHECK;
2501		2700
2502	{	2701	{
2503	int active = ++idlecnt [ABSPRI (w)];	2702	int active = ++idlecnt [ABSPRI (w)];
2504		2703
2505	++idleall;	2704	++idleall;
2506	ev_start (EV_A_ (W)w, active);	2705	ev_start (EV_A_ (W)w, active);
2507		2706
2508	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);
2509	idles [ABSPRI (w)][active - 1] = w;	2708	idles [ABSPRI (w)][active - 1] = w;
2510	}	2709	}
		2710
		2711	EV_FREQUENT_CHECK;
2511	}	2712	}
2512		2713
2513	void	2714	void
2514	ev_idle_stop (EV_P_ ev_idle *w)	2715	ev_idle_stop (EV_P_ ev_idle *w)
2515	{	2716	{
2516	clear_pending (EV_A_ (W)w);	2717	clear_pending (EV_A_ (W)w);
2517	if (expect_false (!ev_is_active (w)))	2718	if (expect_false (!ev_is_active (w)))
2518	return;	2719	return;
2519		2720
		2721	EV_FREQUENT_CHECK;
		2722
2520	{	2723	{
2521	int active = ev_active (w);	2724	int active = ev_active (w);
2522		2725
2523	idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]];	2726	idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]];
2524	ev_active (idles [ABSPRI (w)][active - 1]) = active;	2727	ev_active (idles [ABSPRI (w)][active - 1]) = active;
2525		2728
2526	ev_stop (EV_A_ (W)w);	2729	ev_stop (EV_A_ (W)w);
2527	--idleall;	2730	--idleall;
2528	}	2731	}
		2732
		2733	EV_FREQUENT_CHECK;
2529	}	2734	}
2530	#endif	2735	#endif
2531		2736
2532	void	2737	void
2533	ev_prepare_start (EV_P_ ev_prepare *w)	2738	ev_prepare_start (EV_P_ ev_prepare *w)
2534	{	2739	{
2535	if (expect_false (ev_is_active (w)))	2740	if (expect_false (ev_is_active (w)))
2536	return;	2741	return;
		2742
		2743	EV_FREQUENT_CHECK;
2537		2744
2538	ev_start (EV_A_ (W)w, ++preparecnt);	2745	ev_start (EV_A_ (W)w, ++preparecnt);
2539	array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2);	2746	array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2);
2540	prepares [preparecnt - 1] = w;	2747	prepares [preparecnt - 1] = w;
		2748
		2749	EV_FREQUENT_CHECK;
2541	}	2750	}
2542		2751
2543	void	2752	void
2544	ev_prepare_stop (EV_P_ ev_prepare *w)	2753	ev_prepare_stop (EV_P_ ev_prepare *w)
2545	{	2754	{
2546	clear_pending (EV_A_ (W)w);	2755	clear_pending (EV_A_ (W)w);
2547	if (expect_false (!ev_is_active (w)))	2756	if (expect_false (!ev_is_active (w)))
2548	return;	2757	return;
2549		2758
		2759	EV_FREQUENT_CHECK;
		2760
2550	{	2761	{
2551	int active = ev_active (w);	2762	int active = ev_active (w);
2552		2763
2553	prepares [active - 1] = prepares [--preparecnt];	2764	prepares [active - 1] = prepares [--preparecnt];
2554	ev_active (prepares [active - 1]) = active;	2765	ev_active (prepares [active - 1]) = active;
2555	}	2766	}
2556		2767
2557	ev_stop (EV_A_ (W)w);	2768	ev_stop (EV_A_ (W)w);
		2769
		2770	EV_FREQUENT_CHECK;
2558	}	2771	}
2559		2772
2560	void	2773	void
2561	ev_check_start (EV_P_ ev_check *w)	2774	ev_check_start (EV_P_ ev_check *w)
2562	{	2775	{
2563	if (expect_false (ev_is_active (w)))	2776	if (expect_false (ev_is_active (w)))
2564	return;	2777	return;
		2778
		2779	EV_FREQUENT_CHECK;
2565		2780
2566	ev_start (EV_A_ (W)w, ++checkcnt);	2781	ev_start (EV_A_ (W)w, ++checkcnt);
2567	array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2);	2782	array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2);
2568	checks [checkcnt - 1] = w;	2783	checks [checkcnt - 1] = w;
		2784
		2785	EV_FREQUENT_CHECK;
2569	}	2786	}
2570		2787
2571	void	2788	void
2572	ev_check_stop (EV_P_ ev_check *w)	2789	ev_check_stop (EV_P_ ev_check *w)
2573	{	2790	{
2574	clear_pending (EV_A_ (W)w);	2791	clear_pending (EV_A_ (W)w);
2575	if (expect_false (!ev_is_active (w)))	2792	if (expect_false (!ev_is_active (w)))
2576	return;	2793	return;
2577		2794
		2795	EV_FREQUENT_CHECK;
		2796
2578	{	2797	{
2579	int active = ev_active (w);	2798	int active = ev_active (w);
2580		2799
2581	checks [active - 1] = checks [--checkcnt];	2800	checks [active - 1] = checks [--checkcnt];
2582	ev_active (checks [active - 1]) = active;	2801	ev_active (checks [active - 1]) = active;
2583	}	2802	}
2584		2803
2585	ev_stop (EV_A_ (W)w);	2804	ev_stop (EV_A_ (W)w);
		2805
		2806	EV_FREQUENT_CHECK;
2586	}	2807	}
2587		2808
2588	#if EV_EMBED_ENABLE	2809	#if EV_EMBED_ENABLE
2589	void noinline	2810	void noinline
2590	ev_embed_sweep (EV_P_ ev_embed *w)	2811	ev_embed_sweep (EV_P_ ev_embed *w)
…		…
2617	ev_loop (EV_A_ EVLOOP_NONBLOCK);	2838	ev_loop (EV_A_ EVLOOP_NONBLOCK);
2618	}	2839	}
2619	}	2840	}
2620	}	2841	}
2621		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
2622	#if 0	2855	#if 0
2623	static void	2856	static void
2624	embed_idle_cb (EV_P_ ev_idle *idle, int revents)	2857	embed_idle_cb (EV_P_ ev_idle *idle, int revents)
2625	{	2858	{
2626	ev_idle_stop (EV_A_ idle);	2859	ev_idle_stop (EV_A_ idle);
…		…
2637	struct ev_loop *loop = w->other;	2870	struct ev_loop *loop = w->other;
2638	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 ()));
2639	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);
2640	}	2873	}
2641		2874
		2875	EV_FREQUENT_CHECK;
		2876
2642	ev_set_priority (&w->io, ev_priority (w));	2877	ev_set_priority (&w->io, ev_priority (w));
2643	ev_io_start (EV_A_ &w->io);	2878	ev_io_start (EV_A_ &w->io);
2644		2879
2645	ev_prepare_init (&w->prepare, embed_prepare_cb);	2880	ev_prepare_init (&w->prepare, embed_prepare_cb);
2646	ev_set_priority (&w->prepare, EV_MINPRI);	2881	ev_set_priority (&w->prepare, EV_MINPRI);
2647	ev_prepare_start (EV_A_ &w->prepare);	2882	ev_prepare_start (EV_A_ &w->prepare);
2648		2883
		2884	ev_fork_init (&w->fork, embed_fork_cb);
		2885	ev_fork_start (EV_A_ &w->fork);
		2886
2649	/ev_idle_init (&w->idle, e,bed_idle_cb);/	2887	/ev_idle_init (&w->idle, e,bed_idle_cb);/
2650		2888
2651	ev_start (EV_A_ (W)w, 1);	2889	ev_start (EV_A_ (W)w, 1);
		2890
		2891	EV_FREQUENT_CHECK;
2652	}	2892	}
2653		2893
2654	void	2894	void
2655	ev_embed_stop (EV_P_ ev_embed *w)	2895	ev_embed_stop (EV_P_ ev_embed *w)
2656	{	2896	{
2657	clear_pending (EV_A_ (W)w);	2897	clear_pending (EV_A_ (W)w);
2658	if (expect_false (!ev_is_active (w)))	2898	if (expect_false (!ev_is_active (w)))
2659	return;	2899	return;
2660		2900
		2901	EV_FREQUENT_CHECK;
		2902
2661	ev_io_stop (EV_A_ &w->io);	2903	ev_io_stop (EV_A_ &w->io);
2662	ev_prepare_stop (EV_A_ &w->prepare);	2904	ev_prepare_stop (EV_A_ &w->prepare);
		2905	ev_fork_stop (EV_A_ &w->fork);
2663		2906
2664	ev_stop (EV_A_ (W)w);	2907	EV_FREQUENT_CHECK;
2665	}	2908	}
2666	#endif	2909	#endif
2667		2910
2668	#if EV_FORK_ENABLE	2911	#if EV_FORK_ENABLE
2669	void	2912	void
2670	ev_fork_start (EV_P_ ev_fork *w)	2913	ev_fork_start (EV_P_ ev_fork *w)
2671	{	2914	{
2672	if (expect_false (ev_is_active (w)))	2915	if (expect_false (ev_is_active (w)))
2673	return;	2916	return;
		2917
		2918	EV_FREQUENT_CHECK;
2674		2919
2675	ev_start (EV_A_ (W)w, ++forkcnt);	2920	ev_start (EV_A_ (W)w, ++forkcnt);
2676	array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2);	2921	array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2);
2677	forks [forkcnt - 1] = w;	2922	forks [forkcnt - 1] = w;
		2923
		2924	EV_FREQUENT_CHECK;
2678	}	2925	}
2679		2926
2680	void	2927	void
2681	ev_fork_stop (EV_P_ ev_fork *w)	2928	ev_fork_stop (EV_P_ ev_fork *w)
2682	{	2929	{
2683	clear_pending (EV_A_ (W)w);	2930	clear_pending (EV_A_ (W)w);
2684	if (expect_false (!ev_is_active (w)))	2931	if (expect_false (!ev_is_active (w)))
2685	return;	2932	return;
2686		2933
		2934	EV_FREQUENT_CHECK;
		2935
2687	{	2936	{
2688	int active = ev_active (w);	2937	int active = ev_active (w);
2689		2938
2690	forks [active - 1] = forks [--forkcnt];	2939	forks [active - 1] = forks [--forkcnt];
2691	ev_active (forks [active - 1]) = active;	2940	ev_active (forks [active - 1]) = active;
2692	}	2941	}
2693		2942
2694	ev_stop (EV_A_ (W)w);	2943	ev_stop (EV_A_ (W)w);
		2944
		2945	EV_FREQUENT_CHECK;
2695	}	2946	}
2696	#endif	2947	#endif
2697		2948
2698	#if EV_ASYNC_ENABLE	2949	#if EV_ASYNC_ENABLE
2699	void	2950	void
…		…
2701	{	2952	{
2702	if (expect_false (ev_is_active (w)))	2953	if (expect_false (ev_is_active (w)))
2703	return;	2954	return;
2704		2955
2705	evpipe_init (EV_A);	2956	evpipe_init (EV_A);
		2957
		2958	EV_FREQUENT_CHECK;
2706		2959
2707	ev_start (EV_A_ (W)w, ++asynccnt);	2960	ev_start (EV_A_ (W)w, ++asynccnt);
2708	array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2);	2961	array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2);
2709	asyncs [asynccnt - 1] = w;	2962	asyncs [asynccnt - 1] = w;
		2963
		2964	EV_FREQUENT_CHECK;
2710	}	2965	}
2711		2966
2712	void	2967	void
2713	ev_async_stop (EV_P_ ev_async *w)	2968	ev_async_stop (EV_P_ ev_async *w)
2714	{	2969	{
2715	clear_pending (EV_A_ (W)w);	2970	clear_pending (EV_A_ (W)w);
2716	if (expect_false (!ev_is_active (w)))	2971	if (expect_false (!ev_is_active (w)))
2717	return;	2972	return;
2718		2973
		2974	EV_FREQUENT_CHECK;
		2975
2719	{	2976	{
2720	int active = ev_active (w);	2977	int active = ev_active (w);
2721		2978
2722	asyncs [active - 1] = asyncs [--asynccnt];	2979	asyncs [active - 1] = asyncs [--asynccnt];
2723	ev_active (asyncs [active - 1]) = active;	2980	ev_active (asyncs [active - 1]) = active;
2724	}	2981	}
2725		2982
2726	ev_stop (EV_A_ (W)w);	2983	ev_stop (EV_A_ (W)w);
		2984
		2985	EV_FREQUENT_CHECK;
2727	}	2986	}
2728		2987
2729	void	2988	void
2730	ev_async_send (EV_P_ ev_async *w)	2989	ev_async_send (EV_P_ ev_async *w)
2731	{	2990	{
…		…
2748	once_cb (EV_P_ struct ev_once *once, int revents)	3007	once_cb (EV_P_ struct ev_once *once, int revents)
2749	{	3008	{
2750	void (cb)(int revents, void arg) = once->cb;	3009	void (cb)(int revents, void arg) = once->cb;
2751	void *arg = once->arg;	3010	void *arg = once->arg;
2752		3011
2753	ev_io_stop (EV_A_ &once->io);	3012	ev_io_stop (EV_A_ &once->io);
2754	ev_timer_stop (EV_A_ &once->to);	3013	ev_timer_stop (EV_A_ &once->to);
2755	ev_free (once);	3014	ev_free (once);
2756		3015
2757	cb (revents, arg);	3016	cb (revents, arg);
2758	}	3017	}
2759		3018
2760	static void	3019	static void
2761	once_cb_io (EV_P_ ev_io *w, int revents)	3020	once_cb_io (EV_P_ ev_io *w, int revents)
2762	{	3021	{
2763	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));
2764	}	3025	}
2765		3026
2766	static void	3027	static void
2767	once_cb_to (EV_P_ ev_timer *w, int revents)	3028	once_cb_to (EV_P_ ev_timer *w, int revents)
2768	{	3029	{
2769	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));
2770	}	3033	}
2771		3034
2772	void	3035	void
2773	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)
2774	{	3037	{

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Comparing libev/ev.c (file contents): Revision 1.247 by root, Wed May 21 21:22:10 2008 UTC vs. Revision 1.263 by root, Wed Oct 1 18:50:03 2008 UTC

Diff Legend

Comparing libev/ev.c (file contents):
Revision 1.247 by root, Wed May 21 21:22:10 2008 UTC vs.
Revision 1.263 by root, Wed Oct 1 18:50:03 2008 UTC