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Comparing libev/ev.c (file contents):
Revision 1.278 by root, Tue Jan 6 19:46:56 2009 UTC vs.
Revision 1.299 by root, Tue Jul 14 00:09:59 2009 UTC

…		…
57	# endif	57	# endif
58	# ifndef EV_USE_MONOTONIC	58	# ifndef EV_USE_MONOTONIC
59	# define EV_USE_MONOTONIC 1	59	# define EV_USE_MONOTONIC 1
60	# endif	60	# endif
61	# endif	61	# endif
		62	# elif !defined(EV_USE_CLOCK_SYSCALL)
		63	# define EV_USE_CLOCK_SYSCALL 0
62	# endif	64	# endif
63		65
64	# if HAVE_CLOCK_GETTIME	66	# if HAVE_CLOCK_GETTIME
65	# ifndef EV_USE_MONOTONIC	67	# ifndef EV_USE_MONOTONIC
66	# define EV_USE_MONOTONIC 1	68	# define EV_USE_MONOTONIC 1
67	# endif	69	# endif
68	# ifndef EV_USE_REALTIME	70	# ifndef EV_USE_REALTIME
69	# define EV_USE_REALTIME 1	71	# define EV_USE_REALTIME 0
70	# endif	72	# endif
71	# else	73	# else
72	# ifndef EV_USE_MONOTONIC	74	# ifndef EV_USE_MONOTONIC
73	# define EV_USE_MONOTONIC 0	75	# define EV_USE_MONOTONIC 0
74	# endif	76	# endif
…		…
193	# define EV_USE_MONOTONIC 0	195	# define EV_USE_MONOTONIC 0
194	# endif	196	# endif
195	#endif	197	#endif
196		198
197	#ifndef EV_USE_REALTIME	199	#ifndef EV_USE_REALTIME
198	# define EV_USE_REALTIME 0	200	# define EV_USE_REALTIME !EV_USE_CLOCK_SYSCALL
199	#endif	201	#endif
200		202
201	#ifndef EV_USE_NANOSLEEP	203	#ifndef EV_USE_NANOSLEEP
202	# if _POSIX_C_SOURCE >= 199309L	204	# if _POSIX_C_SOURCE >= 199309L
203	# define EV_USE_NANOSLEEP 1	205	# define EV_USE_NANOSLEEP 1
…		…
280	# define EV_USE_4HEAP !EV_MINIMAL	282	# define EV_USE_4HEAP !EV_MINIMAL
281	#endif	283	#endif
282		284
283	#ifndef EV_HEAP_CACHE_AT	285	#ifndef EV_HEAP_CACHE_AT
284	# define EV_HEAP_CACHE_AT !EV_MINIMAL	286	# define EV_HEAP_CACHE_AT !EV_MINIMAL
		287	#endif
		288
		289	/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */
		290	/* which makes programs even slower. might work on other unices, too. */
		291	#if EV_USE_CLOCK_SYSCALL
		292	# include <syscall.h>
		293	# ifdef SYS_clock_gettime
		294	# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))
		295	# undef EV_USE_MONOTONIC
		296	# define EV_USE_MONOTONIC 1
		297	# else
		298	# undef EV_USE_CLOCK_SYSCALL
		299	# define EV_USE_CLOCK_SYSCALL 0
		300	# endif
285	#endif	301	#endif
286		302
287	/* this block fixes any misconfiguration where we know we run into trouble otherwise */	303	/* this block fixes any misconfiguration where we know we run into trouble otherwise */
288		304
289	#ifndef CLOCK_MONOTONIC	305	#ifndef CLOCK_MONOTONIC
…		…
320		336
321	#if EV_SELECT_IS_WINSOCKET	337	#if EV_SELECT_IS_WINSOCKET
322	# include <winsock.h>	338	# include <winsock.h>
323	#endif	339	#endif
324		340
325	/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */
326	/* which makes programs even slower. might work on other unices, too. */
327	#if EV_USE_CLOCK_SYSCALL
328	# include <syscall.h>
329	# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))
330	# undef EV_USE_MONOTONIC
331	# define EV_USE_MONOTONIC 1
332	#endif
333
334	#if EV_USE_EVENTFD	341	#if EV_USE_EVENTFD
335	/* our minimum requirement is glibc 2.7 which has the stub, but not the header */	342	/* our minimum requirement is glibc 2.7 which has the stub, but not the header */
336	# include <stdint.h>	343	# include <stdint.h>
337	# ifdef __cplusplus	344	# ifdef __cplusplus
338	extern "C" {	345	extern "C" {
…		…
384	# define inline_speed static noinline	391	# define inline_speed static noinline
385	#else	392	#else
386	# define inline_speed static inline	393	# define inline_speed static inline
387	#endif	394	#endif
388		395
389	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)	396	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
		397
		398	#if EV_MINPRI == EV_MAXPRI
		399	# define ABSPRI(w) (((W)w), 0)
		400	#else
390	#define ABSPRI(w) (((W)w)->priority - EV_MINPRI)	401	# define ABSPRI(w) (((W)w)->priority - EV_MINPRI)
		402	#endif
391		403
392	#define EMPTY /* required for microsofts broken pseudo-c compiler */	404	#define EMPTY /* required for microsofts broken pseudo-c compiler */
393	#define EMPTY2(a,b) /* used to suppress some warnings */	405	#define EMPTY2(a,b) /* used to suppress some warnings */
394		406
395	typedef ev_watcher *W;	407	typedef ev_watcher *W;
…		…
397	typedef ev_watcher_time *WT;	409	typedef ev_watcher_time *WT;
398		410
399	#define ev_active(w) ((W)(w))->active	411	#define ev_active(w) ((W)(w))->active
400	#define ev_at(w) ((WT)(w))->at	412	#define ev_at(w) ((WT)(w))->at
401		413
402	#if EV_USE_MONOTONIC	414	#if EV_USE_REALTIME
403	/* sig_atomic_t is used to avoid per-thread variables or locking but still */	415	/* sig_atomic_t is used to avoid per-thread variables or locking but still */
404	/* giving it a reasonably high chance of working on typical architetcures */	416	/* giving it a reasonably high chance of working on typical architetcures */
		417	static EV_ATOMIC_T have_realtime; /* did clock_gettime (CLOCK_REALTIME) work? */
		418	#endif
		419
		420	#if EV_USE_MONOTONIC
405	static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */	421	static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */
406	#endif	422	#endif
407		423
408	#ifdef _WIN32	424	#ifdef _WIN32
409	# include "ev_win32.c"	425	# include "ev_win32.c"
…		…
474	#define ev_malloc(size) ev_realloc (0, (size))	490	#define ev_malloc(size) ev_realloc (0, (size))
475	#define ev_free(ptr) ev_realloc ((ptr), 0)	491	#define ev_free(ptr) ev_realloc ((ptr), 0)
476		492
477	/*****************************************************************************/	493	/*****************************************************************************/
478		494
		495	/* set in reify when reification needed */
		496	#define EV_ANFD_REIFY 1
		497
		498	/* file descriptor info structure */
479	typedef struct	499	typedef struct
480	{	500	{
481	WL head;	501	WL head;
482	unsigned char events;	502	unsigned char events; /* the events watched for */
483	unsigned char reify;	503	unsigned char reify; /* flag set when this ANFD needs reification (EV_ANFD_REIFY, EV__IOFDSET) */
484	unsigned char emask; /* the epoll backend stores the actual kernel mask in here */	504	unsigned char emask; /* the epoll backend stores the actual kernel mask in here */
485	unsigned char unused;	505	unsigned char unused;
486	#if EV_USE_EPOLL	506	#if EV_USE_EPOLL
487	unsigned int egen; /* generation counter to counter epoll bugs */	507	unsigned int egen; /* generation counter to counter epoll bugs */
488	#endif	508	#endif
489	#if EV_SELECT_IS_WINSOCKET	509	#if EV_SELECT_IS_WINSOCKET
490	SOCKET handle;	510	SOCKET handle;
491	#endif	511	#endif
492	} ANFD;	512	} ANFD;
493		513
		514	/* stores the pending event set for a given watcher */
494	typedef struct	515	typedef struct
495	{	516	{
496	W w;	517	W w;
497	int events;	518	int events; /* the pending event set for the given watcher */
498	} ANPENDING;	519	} ANPENDING;
499		520
500	#if EV_USE_INOTIFY	521	#if EV_USE_INOTIFY
501	/* hash table entry per inotify-id */	522	/* hash table entry per inotify-id */
502	typedef struct	523	typedef struct
…		…
505	} ANFS;	526	} ANFS;
506	#endif	527	#endif
507		528
508	/* Heap Entry */	529	/* Heap Entry */
509	#if EV_HEAP_CACHE_AT	530	#if EV_HEAP_CACHE_AT
		531	/* a heap element */
510	typedef struct {	532	typedef struct {
511	ev_tstamp at;	533	ev_tstamp at;
512	WT w;	534	WT w;
513	} ANHE;	535	} ANHE;
514		536
515	#define ANHE_w(he) (he).w /* access watcher, read-write */	537	#define ANHE_w(he) (he).w /* access watcher, read-write */
516	#define ANHE_at(he) (he).at /* access cached at, read-only */	538	#define ANHE_at(he) (he).at /* access cached at, read-only */
517	#define ANHE_at_cache(he) (he).at = (he).w->at /* update at from watcher */	539	#define ANHE_at_cache(he) (he).at = (he).w->at /* update at from watcher */
518	#else	540	#else
		541	/* a heap element */
519	typedef WT ANHE;	542	typedef WT ANHE;
520		543
521	#define ANHE_w(he) (he)	544	#define ANHE_w(he) (he)
522	#define ANHE_at(he) (he)->at	545	#define ANHE_at(he) (he)->at
523	#define ANHE_at_cache(he)	546	#define ANHE_at_cache(he)
…		…
547		570
548	static int ev_default_loop_ptr;	571	static int ev_default_loop_ptr;
549		572
550	#endif	573	#endif
551		574
		575	#if EV_MINIMAL < 2
		576	# define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A)
		577	# define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A)
		578	# define EV_INVOKE_PENDING invoke_cb (EV_A)
		579	#else
		580	# define EV_RELEASE_CB (void)0
		581	# define EV_ACQUIRE_CB (void)0
		582	# define EV_INVOKE_PENDING ev_invoke_pending (EV_A)
		583	#endif
		584
		585	#define EVUNLOOP_RECURSE 0x80
		586
552	/*****************************************************************************/	587	/*****************************************************************************/
553		588
		589	#ifndef EV_HAVE_EV_TIME
554	ev_tstamp	590	ev_tstamp
555	ev_time (void)	591	ev_time (void)
556	{	592	{
557	#if EV_USE_REALTIME	593	#if EV_USE_REALTIME
		594	if (expect_true (have_realtime))
		595	{
558	struct timespec ts;	596	struct timespec ts;
559	clock_gettime (CLOCK_REALTIME, &ts);	597	clock_gettime (CLOCK_REALTIME, &ts);
560	return ts.tv_sec + ts.tv_nsec * 1e-9;	598	return ts.tv_sec + ts.tv_nsec * 1e-9;
561	#else	599	}
		600	#endif
		601
562	struct timeval tv;	602	struct timeval tv;
563	gettimeofday (&tv, 0);	603	gettimeofday (&tv, 0);
564	return tv.tv_sec + tv.tv_usec * 1e-6;	604	return tv.tv_sec + tv.tv_usec * 1e-6;
565	#endif
566	}	605	}
		606	#endif
567		607
568	ev_tstamp inline_size	608	inline_size ev_tstamp
569	get_clock (void)	609	get_clock (void)
570	{	610	{
571	#if EV_USE_MONOTONIC	611	#if EV_USE_MONOTONIC
572	if (expect_true (have_monotonic))	612	if (expect_true (have_monotonic))
573	{	613	{
…		…
607		647
608	tv.tv_sec = (time_t)delay;	648	tv.tv_sec = (time_t)delay;
609	tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6);	649	tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6);
610		650
611	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */	651	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */
612	/* somehting nto guaranteed by newer posix versions, but guaranteed */	652	/* somehting not guaranteed by newer posix versions, but guaranteed */
613	/* by older ones */	653	/* by older ones */
614	select (0, 0, 0, 0, &tv);	654	select (0, 0, 0, 0, &tv);
615	#endif	655	#endif
616	}	656	}
617	}	657	}
618		658
619	/*****************************************************************************/	659	/*****************************************************************************/
620		660
621	#define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */	661	#define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */
622		662
623	int inline_size	663	/* find a suitable new size for the given array, */
		664	/* hopefully by rounding to a ncie-to-malloc size */
		665	inline_size int
624	array_nextsize (int elem, int cur, int cnt)	666	array_nextsize (int elem, int cur, int cnt)
625	{	667	{
626	int ncur = cur + 1;	668	int ncur = cur + 1;
627		669
628	do	670	do
…		…
669	fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\	711	fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\
670	}	712	}
671	#endif	713	#endif
672		714
673	#define array_free(stem, idx) \	715	#define array_free(stem, idx) \
674	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0;	716	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0
675		717
676	/*****************************************************************************/	718	/*****************************************************************************/
		719
		720	/* dummy callback for pending events */
		721	static void noinline
		722	pendingcb (EV_P_ ev_prepare *w, int revents)
		723	{
		724	}
677		725
678	void noinline	726	void noinline
679	ev_feed_event (EV_P_ void *w, int revents)	727	ev_feed_event (EV_P_ void *w, int revents)
680	{	728	{
681	W w_ = (W)w;	729	W w_ = (W)w;
…		…
690	pendings [pri][w_->pending - 1].w = w_;	738	pendings [pri][w_->pending - 1].w = w_;
691	pendings [pri][w_->pending - 1].events = revents;	739	pendings [pri][w_->pending - 1].events = revents;
692	}	740	}
693	}	741	}
694		742
695	void inline_speed	743	inline_speed void
		744	feed_reverse (EV_P_ W w)
		745	{
		746	array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, EMPTY2);
		747	rfeeds [rfeedcnt++] = w;
		748	}
		749
		750	inline_size void
		751	feed_reverse_done (EV_P_ int revents)
		752	{
		753	do
		754	ev_feed_event (EV_A_ rfeeds [--rfeedcnt], revents);
		755	while (rfeedcnt);
		756	}
		757
		758	inline_speed void
696	queue_events (EV_P_ W *events, int eventcnt, int type)	759	queue_events (EV_P_ W *events, int eventcnt, int type)
697	{	760	{
698	int i;	761	int i;
699		762
700	for (i = 0; i < eventcnt; ++i)	763	for (i = 0; i < eventcnt; ++i)
701	ev_feed_event (EV_A_ events [i], type);	764	ev_feed_event (EV_A_ events [i], type);
702	}	765	}
703		766
704	/*****************************************************************************/	767	/*****************************************************************************/
705		768
706	void inline_speed	769	inline_speed void
707	fd_event (EV_P_ int fd, int revents)	770	fd_event_nc (EV_P_ int fd, int revents)
708	{	771	{
709	ANFD *anfd = anfds + fd;	772	ANFD *anfd = anfds + fd;
710	ev_io *w;	773	ev_io *w;
711		774
712	for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next)	775	for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next)
…		…
716	if (ev)	779	if (ev)
717	ev_feed_event (EV_A_ (W)w, ev);	780	ev_feed_event (EV_A_ (W)w, ev);
718	}	781	}
719	}	782	}
720		783
		784	/* do not submit kernel events for fds that have reify set */
		785	/* because that means they changed while we were polling for new events */
		786	inline_speed void
		787	fd_event (EV_P_ int fd, int revents)
		788	{
		789	ANFD *anfd = anfds + fd;
		790
		791	if (expect_true (!anfd->reify))
		792	fd_event_nc (EV_A_ fd, revents);
		793	}
		794
721	void	795	void
722	ev_feed_fd_event (EV_P_ int fd, int revents)	796	ev_feed_fd_event (EV_P_ int fd, int revents)
723	{	797	{
724	if (fd >= 0 && fd < anfdmax)	798	if (fd >= 0 && fd < anfdmax)
725	fd_event (EV_A_ fd, revents);	799	fd_event_nc (EV_A_ fd, revents);
726	}	800	}
727		801
728	void inline_size	802	/* make sure the external fd watch events are in-sync */
		803	/* with the kernel/libev internal state */
		804	inline_size void
729	fd_reify (EV_P)	805	fd_reify (EV_P)
730	{	806	{
731	int i;	807	int i;
732		808
733	for (i = 0; i < fdchangecnt; ++i)	809	for (i = 0; i < fdchangecnt; ++i)
…		…
759	unsigned char o_reify = anfd->reify;	835	unsigned char o_reify = anfd->reify;
760		836
761	anfd->reify = 0;	837	anfd->reify = 0;
762	anfd->events = events;	838	anfd->events = events;
763		839
764	if (o_events != events || o_reify & EV_IOFDSET)	840	if (o_events != events || o_reify & EV__IOFDSET)
765	backend_modify (EV_A_ fd, o_events, events);	841	backend_modify (EV_A_ fd, o_events, events);
766	}	842	}
767	}	843	}
768		844
769	fdchangecnt = 0;	845	fdchangecnt = 0;
770	}	846	}
771		847
772	void inline_size	848	/* something about the given fd changed */
		849	inline_size void
773	fd_change (EV_P_ int fd, int flags)	850	fd_change (EV_P_ int fd, int flags)
774	{	851	{
775	unsigned char reify = anfds [fd].reify;	852	unsigned char reify = anfds [fd].reify;
776	anfds [fd].reify |= flags;	853	anfds [fd].reify |= flags;
777		854
…		…
781	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2);	858	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2);
782	fdchanges [fdchangecnt - 1] = fd;	859	fdchanges [fdchangecnt - 1] = fd;
783	}	860	}
784	}	861	}
785		862
786	void inline_speed	863	/* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */
		864	inline_speed void
787	fd_kill (EV_P_ int fd)	865	fd_kill (EV_P_ int fd)
788	{	866	{
789	ev_io *w;	867	ev_io *w;
790		868
791	while ((w = (ev_io *)anfds [fd].head))	869	while ((w = (ev_io *)anfds [fd].head))
…		…
793	ev_io_stop (EV_A_ w);	871	ev_io_stop (EV_A_ w);
794	ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE);	872	ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE);
795	}	873	}
796	}	874	}
797		875
798	int inline_size	876	/* check whether the given fd is atcually valid, for error recovery */
		877	inline_size int
799	fd_valid (int fd)	878	fd_valid (int fd)
800	{	879	{
801	#ifdef _WIN32	880	#ifdef _WIN32
802	return _get_osfhandle (fd) != -1;	881	return _get_osfhandle (fd) != -1;
803	#else	882	#else
…		…
840	for (fd = 0; fd < anfdmax; ++fd)	919	for (fd = 0; fd < anfdmax; ++fd)
841	if (anfds [fd].events)	920	if (anfds [fd].events)
842	{	921	{
843	anfds [fd].events = 0;	922	anfds [fd].events = 0;
844	anfds [fd].emask = 0;	923	anfds [fd].emask = 0;
845	fd_change (EV_A_ fd, EV_IOFDSET | 1);	924	fd_change (EV_A_ fd, EV__IOFDSET | EV_ANFD_REIFY);
846	}	925	}
847	}	926	}
848		927
849	/*****************************************************************************/	928	/*****************************************************************************/
850		929
…		…
866	#define HEAP0 (DHEAP - 1) /* index of first element in heap */	945	#define HEAP0 (DHEAP - 1) /* index of first element in heap */
867	#define HPARENT(k) ((((k) - HEAP0 - 1) / DHEAP) + HEAP0)	946	#define HPARENT(k) ((((k) - HEAP0 - 1) / DHEAP) + HEAP0)
868	#define UPHEAP_DONE(p,k) ((p) == (k))	947	#define UPHEAP_DONE(p,k) ((p) == (k))
869		948
870	/* away from the root */	949	/* away from the root */
871	void inline_speed	950	inline_speed void
872	downheap (ANHE *heap, int N, int k)	951	downheap (ANHE *heap, int N, int k)
873	{	952	{
874	ANHE he = heap [k];	953	ANHE he = heap [k];
875	ANHE *E = heap + N + HEAP0;	954	ANHE *E = heap + N + HEAP0;
876		955
…		…
916	#define HEAP0 1	995	#define HEAP0 1
917	#define HPARENT(k) ((k) >> 1)	996	#define HPARENT(k) ((k) >> 1)
918	#define UPHEAP_DONE(p,k) (!(p))	997	#define UPHEAP_DONE(p,k) (!(p))
919		998
920	/* away from the root */	999	/* away from the root */
921	void inline_speed	1000	inline_speed void
922	downheap (ANHE *heap, int N, int k)	1001	downheap (ANHE *heap, int N, int k)
923	{	1002	{
924	ANHE he = heap [k];	1003	ANHE he = heap [k];
925		1004
926	for (;;)	1005	for (;;)
…		…
946	ev_active (ANHE_w (he)) = k;	1025	ev_active (ANHE_w (he)) = k;
947	}	1026	}
948	#endif	1027	#endif
949		1028
950	/* towards the root */	1029	/* towards the root */
951	void inline_speed	1030	inline_speed void
952	upheap (ANHE *heap, int k)	1031	upheap (ANHE *heap, int k)
953	{	1032	{
954	ANHE he = heap [k];	1033	ANHE he = heap [k];
955		1034
956	for (;;)	1035	for (;;)
…		…
967		1046
968	heap [k] = he;	1047	heap [k] = he;
969	ev_active (ANHE_w (he)) = k;	1048	ev_active (ANHE_w (he)) = k;
970	}	1049	}
971		1050
972	void inline_size	1051	/* move an element suitably so it is in a correct place */
		1052	inline_size void
973	adjustheap (ANHE *heap, int N, int k)	1053	adjustheap (ANHE *heap, int N, int k)
974	{	1054	{
975	if (k > HEAP0 && ANHE_at (heap [HPARENT (k)]) >= ANHE_at (heap [k]))	1055	if (k > HEAP0 && ANHE_at (heap [HPARENT (k)]) >= ANHE_at (heap [k]))
976	upheap (heap, k);	1056	upheap (heap, k);
977	else	1057	else
978	downheap (heap, N, k);	1058	downheap (heap, N, k);
979	}	1059	}
980		1060
981	/* rebuild the heap: this function is used only once and executed rarely */	1061	/* rebuild the heap: this function is used only once and executed rarely */
982	void inline_size	1062	inline_size void
983	reheap (ANHE *heap, int N)	1063	reheap (ANHE *heap, int N)
984	{	1064	{
985	int i;	1065	int i;
986		1066
987	/* we don't use floyds algorithm, upheap is simpler and is more cache-efficient */	1067	/* we don't use floyds algorithm, upheap is simpler and is more cache-efficient */
…		…
990	upheap (heap, i + HEAP0);	1070	upheap (heap, i + HEAP0);
991	}	1071	}
992		1072
993	/*****************************************************************************/	1073	/*****************************************************************************/
994		1074
		1075	/* associate signal watchers to a signal signal */
995	typedef struct	1076	typedef struct
996	{	1077	{
997	WL head;	1078	WL head;
998	EV_ATOMIC_T gotsig;	1079	EV_ATOMIC_T gotsig;
999	} ANSIG;	1080	} ANSIG;
…		…
1003		1084
1004	static EV_ATOMIC_T gotsig;	1085	static EV_ATOMIC_T gotsig;
1005		1086
1006	/*****************************************************************************/	1087	/*****************************************************************************/
1007		1088
1008	void inline_speed	1089	/* used to prepare libev internal fd's */
		1090	/* this is not fork-safe */
		1091	inline_speed void
1009	fd_intern (int fd)	1092	fd_intern (int fd)
1010	{	1093	{
1011	#ifdef _WIN32	1094	#ifdef _WIN32
1012	unsigned long arg = 1;	1095	unsigned long arg = 1;
1013	ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg);	1096	ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg);
…		…
1018	}	1101	}
1019		1102
1020	static void noinline	1103	static void noinline
1021	evpipe_init (EV_P)	1104	evpipe_init (EV_P)
1022	{	1105	{
1023	if (!ev_is_active (&pipeev))	1106	if (!ev_is_active (&pipe_w))
1024	{	1107	{
1025	#if EV_USE_EVENTFD	1108	#if EV_USE_EVENTFD
1026	if ((evfd = eventfd (0, 0)) >= 0)	1109	if ((evfd = eventfd (0, 0)) >= 0)
1027	{	1110	{
1028	evpipe [0] = -1;	1111	evpipe [0] = -1;
1029	fd_intern (evfd);	1112	fd_intern (evfd);
1030	ev_io_set (&pipeev, evfd, EV_READ);	1113	ev_io_set (&pipe_w, evfd, EV_READ);
1031	}	1114	}
1032	else	1115	else
1033	#endif	1116	#endif
1034	{	1117	{
1035	while (pipe (evpipe))	1118	while (pipe (evpipe))
1036	ev_syserr ("(libev) error creating signal/async pipe");	1119	ev_syserr ("(libev) error creating signal/async pipe");
1037		1120
1038	fd_intern (evpipe [0]);	1121	fd_intern (evpipe [0]);
1039	fd_intern (evpipe [1]);	1122	fd_intern (evpipe [1]);
1040	ev_io_set (&pipeev, evpipe [0], EV_READ);	1123	ev_io_set (&pipe_w, evpipe [0], EV_READ);
1041	}	1124	}
1042		1125
1043	ev_io_start (EV_A_ &pipeev);	1126	ev_io_start (EV_A_ &pipe_w);
1044	ev_unref (EV_A); /* watcher should not keep loop alive */	1127	ev_unref (EV_A); /* watcher should not keep loop alive */
1045	}	1128	}
1046	}	1129	}
1047		1130
1048	void inline_size	1131	inline_size void
1049	evpipe_write (EV_P_ EV_ATOMIC_T *flag)	1132	evpipe_write (EV_P_ EV_ATOMIC_T *flag)
1050	{	1133	{
1051	if (!*flag)	1134	if (!*flag)
1052	{	1135	{
1053	int old_errno = errno; /* save errno because write might clobber it */	1136	int old_errno = errno; /* save errno because write might clobber it */
…		…
1066		1149
1067	errno = old_errno;	1150	errno = old_errno;
1068	}	1151	}
1069	}	1152	}
1070		1153
		1154	/* called whenever the libev signal pipe */
		1155	/* got some events (signal, async) */
1071	static void	1156	static void
1072	pipecb (EV_P_ ev_io *iow, int revents)	1157	pipecb (EV_P_ ev_io *iow, int revents)
1073	{	1158	{
1074	#if EV_USE_EVENTFD	1159	#if EV_USE_EVENTFD
1075	if (evfd >= 0)	1160	if (evfd >= 0)
…		…
1157		1242
1158	#ifndef WIFCONTINUED	1243	#ifndef WIFCONTINUED
1159	# define WIFCONTINUED(status) 0	1244	# define WIFCONTINUED(status) 0
1160	#endif	1245	#endif
1161		1246
1162	void inline_speed	1247	/* handle a single child status event */
		1248	inline_speed void
1163	child_reap (EV_P_ int chain, int pid, int status)	1249	child_reap (EV_P_ int chain, int pid, int status)
1164	{	1250	{
1165	ev_child *w;	1251	ev_child *w;
1166	int traced = WIFSTOPPED (status) || WIFCONTINUED (status);	1252	int traced = WIFSTOPPED (status) || WIFCONTINUED (status);
1167		1253
…		…
1180		1266
1181	#ifndef WCONTINUED	1267	#ifndef WCONTINUED
1182	# define WCONTINUED 0	1268	# define WCONTINUED 0
1183	#endif	1269	#endif
1184		1270
		1271	/* called on sigchld etc., calls waitpid */
1185	static void	1272	static void
1186	childcb (EV_P_ ev_signal *sw, int revents)	1273	childcb (EV_P_ ev_signal *sw, int revents)
1187	{	1274	{
1188	int pid, status;	1275	int pid, status;
1189		1276
…		…
1296	ev_backend (EV_P)	1383	ev_backend (EV_P)
1297	{	1384	{
1298	return backend;	1385	return backend;
1299	}	1386	}
1300		1387
		1388	#if EV_MINIMAL < 2
1301	unsigned int	1389	unsigned int
1302	ev_loop_count (EV_P)	1390	ev_loop_count (EV_P)
1303	{	1391	{
1304	return loop_count;	1392	return loop_count;
1305	}	1393	}
1306		1394
		1395	unsigned int
		1396	ev_loop_depth (EV_P)
		1397	{
		1398	return loop_depth;
		1399	}
		1400
1307	void	1401	void
1308	ev_set_io_collect_interval (EV_P_ ev_tstamp interval)	1402	ev_set_io_collect_interval (EV_P_ ev_tstamp interval)
1309	{	1403	{
1310	io_blocktime = interval;	1404	io_blocktime = interval;
1311	}	1405	}
…		…
1314	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval)	1408	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval)
1315	{	1409	{
1316	timeout_blocktime = interval;	1410	timeout_blocktime = interval;
1317	}	1411	}
1318		1412
		1413	void
		1414	ev_set_userdata (EV_P_ void *data)
		1415	{
		1416	userdata = data;
		1417	}
		1418
		1419	void *
		1420	ev_userdata (EV_P)
		1421	{
		1422	return userdata;
		1423	}
		1424
		1425	void ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P))
		1426	{
		1427	invoke_cb = invoke_pending_cb;
		1428	}
		1429
		1430	void ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P))
		1431	{
		1432	release_cb = release;
		1433	acquire_cb = acquire;
		1434	}
		1435	#endif
		1436
		1437	/* initialise a loop structure, must be zero-initialised */
1319	static void noinline	1438	static void noinline
1320	loop_init (EV_P_ unsigned int flags)	1439	loop_init (EV_P_ unsigned int flags)
1321	{	1440	{
1322	if (!backend)	1441	if (!backend)
1323	{	1442	{
		1443	#if EV_USE_REALTIME
		1444	if (!have_realtime)
		1445	{
		1446	struct timespec ts;
		1447
		1448	if (!clock_gettime (CLOCK_REALTIME, &ts))
		1449	have_realtime = 1;
		1450	}
		1451	#endif
		1452
1324	#if EV_USE_MONOTONIC	1453	#if EV_USE_MONOTONIC
		1454	if (!have_monotonic)
1325	{	1455	{
1326	struct timespec ts;	1456	struct timespec ts;
		1457
1327	if (!clock_gettime (CLOCK_MONOTONIC, &ts))	1458	if (!clock_gettime (CLOCK_MONOTONIC, &ts))
1328	have_monotonic = 1;	1459	have_monotonic = 1;
1329	}	1460	}
1330	#endif	1461	#endif
1331		1462
1332	ev_rt_now = ev_time ();	1463	ev_rt_now = ev_time ();
1333	mn_now = get_clock ();	1464	mn_now = get_clock ();
1334	now_floor = mn_now;	1465	now_floor = mn_now;
1335	rtmn_diff = ev_rt_now - mn_now;	1466	rtmn_diff = ev_rt_now - mn_now;
		1467	#if EV_MINIMAL < 2
		1468	invoke_cb = ev_invoke_pending;
		1469	#endif
1336		1470
1337	io_blocktime = 0.;	1471	io_blocktime = 0.;
1338	timeout_blocktime = 0.;	1472	timeout_blocktime = 0.;
1339	backend = 0;	1473	backend = 0;
1340	backend_fd = -1;	1474	backend_fd = -1;
…		…
1371	#endif	1505	#endif
1372	#if EV_USE_SELECT	1506	#if EV_USE_SELECT
1373	if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags);	1507	if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags);
1374	#endif	1508	#endif
1375		1509
		1510	ev_prepare_init (&pending_w, pendingcb);
		1511
1376	ev_init (&pipeev, pipecb);	1512	ev_init (&pipe_w, pipecb);
1377	ev_set_priority (&pipeev, EV_MAXPRI);	1513	ev_set_priority (&pipe_w, EV_MAXPRI);
1378	}	1514	}
1379	}	1515	}
1380		1516
		1517	/* free up a loop structure */
1381	static void noinline	1518	static void noinline
1382	loop_destroy (EV_P)	1519	loop_destroy (EV_P)
1383	{	1520	{
1384	int i;	1521	int i;
1385		1522
1386	if (ev_is_active (&pipeev))	1523	if (ev_is_active (&pipe_w))
1387	{	1524	{
1388	ev_ref (EV_A); /* signal watcher */	1525	ev_ref (EV_A); /* signal watcher */
1389	ev_io_stop (EV_A_ &pipeev);	1526	ev_io_stop (EV_A_ &pipe_w);
1390		1527
1391	#if EV_USE_EVENTFD	1528	#if EV_USE_EVENTFD
1392	if (evfd >= 0)	1529	if (evfd >= 0)
1393	close (evfd);	1530	close (evfd);
1394	#endif	1531	#endif
…		…
1433	}	1570	}
1434		1571
1435	ev_free (anfds); anfdmax = 0;	1572	ev_free (anfds); anfdmax = 0;
1436		1573
1437	/* have to use the microsoft-never-gets-it-right macro */	1574	/* have to use the microsoft-never-gets-it-right macro */
		1575	array_free (rfeed, EMPTY);
1438	array_free (fdchange, EMPTY);	1576	array_free (fdchange, EMPTY);
1439	array_free (timer, EMPTY);	1577	array_free (timer, EMPTY);
1440	#if EV_PERIODIC_ENABLE	1578	#if EV_PERIODIC_ENABLE
1441	array_free (periodic, EMPTY);	1579	array_free (periodic, EMPTY);
1442	#endif	1580	#endif
…		…
1451		1589
1452	backend = 0;	1590	backend = 0;
1453	}	1591	}
1454		1592
1455	#if EV_USE_INOTIFY	1593	#if EV_USE_INOTIFY
1456	void inline_size infy_fork (EV_P);	1594	inline_size void infy_fork (EV_P);
1457	#endif	1595	#endif
1458		1596
1459	void inline_size	1597	inline_size void
1460	loop_fork (EV_P)	1598	loop_fork (EV_P)
1461	{	1599	{
1462	#if EV_USE_PORT	1600	#if EV_USE_PORT
1463	if (backend == EVBACKEND_PORT ) port_fork (EV_A);	1601	if (backend == EVBACKEND_PORT ) port_fork (EV_A);
1464	#endif	1602	#endif
…		…
1470	#endif	1608	#endif
1471	#if EV_USE_INOTIFY	1609	#if EV_USE_INOTIFY
1472	infy_fork (EV_A);	1610	infy_fork (EV_A);
1473	#endif	1611	#endif
1474		1612
1475	if (ev_is_active (&pipeev))	1613	if (ev_is_active (&pipe_w))
1476	{	1614	{
1477	/* this "locks" the handlers against writing to the pipe */	1615	/* this "locks" the handlers against writing to the pipe */
1478	/* while we modify the fd vars */	1616	/* while we modify the fd vars */
1479	gotsig = 1;	1617	gotsig = 1;
1480	#if EV_ASYNC_ENABLE	1618	#if EV_ASYNC_ENABLE
1481	gotasync = 1;	1619	gotasync = 1;
1482	#endif	1620	#endif
1483		1621
1484	ev_ref (EV_A);	1622	ev_ref (EV_A);
1485	ev_io_stop (EV_A_ &pipeev);	1623	ev_io_stop (EV_A_ &pipe_w);
1486		1624
1487	#if EV_USE_EVENTFD	1625	#if EV_USE_EVENTFD
1488	if (evfd >= 0)	1626	if (evfd >= 0)
1489	close (evfd);	1627	close (evfd);
1490	#endif	1628	#endif
…		…
1495	close (evpipe [1]);	1633	close (evpipe [1]);
1496	}	1634	}
1497		1635
1498	evpipe_init (EV_A);	1636	evpipe_init (EV_A);
1499	/* now iterate over everything, in case we missed something */	1637	/* now iterate over everything, in case we missed something */
1500	pipecb (EV_A_ &pipeev, EV_READ);	1638	pipecb (EV_A_ &pipe_w, EV_READ);
1501	}	1639	}
1502		1640
1503	postfork = 0;	1641	postfork = 0;
1504	}	1642	}
1505		1643
…		…
1530	void	1668	void
1531	ev_loop_fork (EV_P)	1669	ev_loop_fork (EV_P)
1532	{	1670	{
1533	postfork = 1; /* must be in line with ev_default_fork */	1671	postfork = 1; /* must be in line with ev_default_fork */
1534	}	1672	}
		1673	#endif /* multiplicity */
1535		1674
1536	#if EV_VERIFY	1675	#if EV_VERIFY
1537	static void noinline	1676	static void noinline
1538	verify_watcher (EV_P_ W w)	1677	verify_watcher (EV_P_ W w)
1539	{	1678	{
…		…
1567	verify_watcher (EV_A_ ws [cnt]);	1706	verify_watcher (EV_A_ ws [cnt]);
1568	}	1707	}
1569	}	1708	}
1570	#endif	1709	#endif
1571		1710
		1711	#if EV_MINIMAL < 2
1572	void	1712	void
1573	ev_loop_verify (EV_P)	1713	ev_loop_verify (EV_P)
1574	{	1714	{
1575	#if EV_VERIFY	1715	#if EV_VERIFY
1576	int i;	1716	int i;
…		…
1629	for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next)	1769	for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next)
1630	for (signum = signalmax; signum--; ) if (signals [signum].gotsig)	1770	for (signum = signalmax; signum--; ) if (signals [signum].gotsig)
1631	# endif	1771	# endif
1632	#endif	1772	#endif
1633	}	1773	}
1634		1774	#endif
1635	#endif /* multiplicity */
1636		1775
1637	#if EV_MULTIPLICITY	1776	#if EV_MULTIPLICITY
1638	struct ev_loop *	1777	struct ev_loop *
1639	ev_default_loop_init (unsigned int flags)	1778	ev_default_loop_init (unsigned int flags)
1640	#else	1779	#else
…		…
1701	ev_invoke (EV_P_ void *w, int revents)	1840	ev_invoke (EV_P_ void *w, int revents)
1702	{	1841	{
1703	EV_CB_INVOKE ((W)w, revents);	1842	EV_CB_INVOKE ((W)w, revents);
1704	}	1843	}
1705		1844
1706	void inline_speed	1845	void noinline
1707	call_pending (EV_P)	1846	ev_invoke_pending (EV_P)
1708	{	1847	{
1709	int pri;	1848	int pri;
1710		1849
1711	for (pri = NUMPRI; pri--; )	1850	for (pri = NUMPRI; pri--; )
1712	while (pendingcnt [pri])	1851	while (pendingcnt [pri])
1713	{	1852	{
1714	ANPENDING *p = pendings [pri] + --pendingcnt [pri];	1853	ANPENDING *p = pendings [pri] + --pendingcnt [pri];
1715		1854
1716	if (expect_true (p->w))
1717	{
1718	/*assert (("libev: non-pending watcher on pending list", p->w->pending));*/	1855	/*assert (("libev: non-pending watcher on pending list", p->w->pending));*/
		1856	/* ^ this is no longer true, as pending_w could be here */
1719		1857
1720	p->w->pending = 0;	1858	p->w->pending = 0;
1721	EV_CB_INVOKE (p->w, p->events);	1859	EV_CB_INVOKE (p->w, p->events);
1722	EV_FREQUENT_CHECK;	1860	EV_FREQUENT_CHECK;
1723	}
1724	}	1861	}
1725	}	1862	}
1726		1863
1727	#if EV_IDLE_ENABLE	1864	#if EV_IDLE_ENABLE
1728	void inline_size	1865	/* make idle watchers pending. this handles the "call-idle */
		1866	/* only when higher priorities are idle" logic */
		1867	inline_size void
1729	idle_reify (EV_P)	1868	idle_reify (EV_P)
1730	{	1869	{
1731	if (expect_false (idleall))	1870	if (expect_false (idleall))
1732	{	1871	{
1733	int pri;	1872	int pri;
…		…
1745	}	1884	}
1746	}	1885	}
1747	}	1886	}
1748	#endif	1887	#endif
1749		1888
1750	void inline_size	1889	/* make timers pending */
		1890	inline_size void
1751	timers_reify (EV_P)	1891	timers_reify (EV_P)
1752	{	1892	{
1753	EV_FREQUENT_CHECK;	1893	EV_FREQUENT_CHECK;
1754		1894
1755	while (timercnt && ANHE_at (timers [HEAP0]) < mn_now)	1895	if (timercnt && ANHE_at (timers [HEAP0]) < mn_now)
1756	{	1896	{
1757	ev_timer *w = (ev_timer *)ANHE_w (timers [HEAP0]);	1897	do
1758
1759	/*assert (("libev: inactive timer on timer heap detected", ev_is_active (w)));*/
1760
1761	/* first reschedule or stop timer */
1762	if (w->repeat)
1763	{	1898	{
		1899	ev_timer *w = (ev_timer *)ANHE_w (timers [HEAP0]);
		1900
		1901	/*assert (("libev: inactive timer on timer heap detected", ev_is_active (w)));*/
		1902
		1903	/* first reschedule or stop timer */
		1904	if (w->repeat)
		1905	{
1764	ev_at (w) += w->repeat;	1906	ev_at (w) += w->repeat;
1765	if (ev_at (w) < mn_now)	1907	if (ev_at (w) < mn_now)
1766	ev_at (w) = mn_now;	1908	ev_at (w) = mn_now;
1767		1909
1768	assert (("libev: negative ev_timer repeat value found while processing timers", w->repeat > 0.));	1910	assert (("libev: negative ev_timer repeat value found while processing timers", w->repeat > 0.));
1769		1911
1770	ANHE_at_cache (timers [HEAP0]);	1912	ANHE_at_cache (timers [HEAP0]);
1771	downheap (timers, timercnt, HEAP0);	1913	downheap (timers, timercnt, HEAP0);
		1914	}
		1915	else
		1916	ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */
		1917
		1918	EV_FREQUENT_CHECK;
		1919	feed_reverse (EV_A_ (W)w);
1772	}	1920	}
1773	else	1921	while (timercnt && ANHE_at (timers [HEAP0]) < mn_now);
1774	ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */
1775		1922
1776	EV_FREQUENT_CHECK;
1777	ev_feed_event (EV_A_ (W)w, EV_TIMEOUT);	1923	feed_reverse_done (EV_A_ EV_TIMEOUT);
1778	}	1924	}
1779	}	1925	}
1780		1926
1781	#if EV_PERIODIC_ENABLE	1927	#if EV_PERIODIC_ENABLE
1782	void inline_size	1928	/* make periodics pending */
		1929	inline_size void
1783	periodics_reify (EV_P)	1930	periodics_reify (EV_P)
1784	{	1931	{
1785	EV_FREQUENT_CHECK;	1932	EV_FREQUENT_CHECK;
1786		1933
1787	while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)	1934	while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)
1788	{	1935	{
1789	ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]);	1936	int feed_count = 0;
1790		1937
1791	/*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/	1938	do
1792
1793	/* first reschedule or stop timer */
1794	if (w->reschedule_cb)
1795	{	1939	{
		1940	ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]);
		1941
		1942	/*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/
		1943
		1944	/* first reschedule or stop timer */
		1945	if (w->reschedule_cb)
		1946	{
1796	ev_at (w) = w->reschedule_cb (w, ev_rt_now);	1947	ev_at (w) = w->reschedule_cb (w, ev_rt_now);
1797		1948
1798	assert (("libev: ev_periodic reschedule callback returned time in the past", ev_at (w) >= ev_rt_now));	1949	assert (("libev: ev_periodic reschedule callback returned time in the past", ev_at (w) >= ev_rt_now));
1799		1950
1800	ANHE_at_cache (periodics [HEAP0]);	1951	ANHE_at_cache (periodics [HEAP0]);
1801	downheap (periodics, periodiccnt, HEAP0);	1952	downheap (periodics, periodiccnt, HEAP0);
		1953	}
		1954	else if (w->interval)
		1955	{
		1956	ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
		1957	/* if next trigger time is not sufficiently in the future, put it there */
		1958	/* this might happen because of floating point inexactness */
		1959	if (ev_at (w) - ev_rt_now < TIME_EPSILON)
		1960	{
		1961	ev_at (w) += w->interval;
		1962
		1963	/* if interval is unreasonably low we might still have a time in the past */
		1964	/* so correct this. this will make the periodic very inexact, but the user */
		1965	/* has effectively asked to get triggered more often than possible */
		1966	if (ev_at (w) < ev_rt_now)
		1967	ev_at (w) = ev_rt_now;
		1968	}
		1969
		1970	ANHE_at_cache (periodics [HEAP0]);
		1971	downheap (periodics, periodiccnt, HEAP0);
		1972	}
		1973	else
		1974	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */
		1975
		1976	EV_FREQUENT_CHECK;
		1977	feed_reverse (EV_A_ (W)w);
1802	}	1978	}
1803	else if (w->interval)	1979	while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now);
1804	{
1805	ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
1806	/* if next trigger time is not sufficiently in the future, put it there */
1807	/* this might happen because of floating point inexactness */
1808	if (ev_at (w) - ev_rt_now < TIME_EPSILON)
1809	{
1810	ev_at (w) += w->interval;
1811		1980
1812	/* if interval is unreasonably low we might still have a time in the past */
1813	/* so correct this. this will make the periodic very inexact, but the user */
1814	/* has effectively asked to get triggered more often than possible */
1815	if (ev_at (w) < ev_rt_now)
1816	ev_at (w) = ev_rt_now;
1817	}
1818
1819	ANHE_at_cache (periodics [HEAP0]);
1820	downheap (periodics, periodiccnt, HEAP0);
1821	}
1822	else
1823	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */
1824
1825	EV_FREQUENT_CHECK;
1826	ev_feed_event (EV_A_ (W)w, EV_PERIODIC);	1981	feed_reverse_done (EV_A_ EV_PERIODIC);
1827	}	1982	}
1828	}	1983	}
1829		1984
		1985	/* simply recalculate all periodics */
		1986	/* TODO: maybe ensure that at leats one event happens when jumping forward? */
1830	static void noinline	1987	static void noinline
1831	periodics_reschedule (EV_P)	1988	periodics_reschedule (EV_P)
1832	{	1989	{
1833	int i;	1990	int i;
1834		1991
…		…
1847		2004
1848	reheap (periodics, periodiccnt);	2005	reheap (periodics, periodiccnt);
1849	}	2006	}
1850	#endif	2007	#endif
1851		2008
1852	void inline_speed	2009	/* adjust all timers by a given offset */
		2010	static void noinline
		2011	timers_reschedule (EV_P_ ev_tstamp adjust)
		2012	{
		2013	int i;
		2014
		2015	for (i = 0; i < timercnt; ++i)
		2016	{
		2017	ANHE *he = timers + i + HEAP0;
		2018	ANHE_w (*he)->at += adjust;
		2019	ANHE_at_cache (*he);
		2020	}
		2021	}
		2022
		2023	/* fetch new monotonic and realtime times from the kernel */
		2024	/* also detetc if there was a timejump, and act accordingly */
		2025	inline_speed void
1853	time_update (EV_P_ ev_tstamp max_block)	2026	time_update (EV_P_ ev_tstamp max_block)
1854	{	2027	{
1855	int i;
1856
1857	#if EV_USE_MONOTONIC	2028	#if EV_USE_MONOTONIC
1858	if (expect_true (have_monotonic))	2029	if (expect_true (have_monotonic))
1859	{	2030	{
		2031	int i;
1860	ev_tstamp odiff = rtmn_diff;	2032	ev_tstamp odiff = rtmn_diff;
1861		2033
1862	mn_now = get_clock ();	2034	mn_now = get_clock ();
1863		2035
1864	/* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */	2036	/* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */
…		…
1890	ev_rt_now = ev_time ();	2062	ev_rt_now = ev_time ();
1891	mn_now = get_clock ();	2063	mn_now = get_clock ();
1892	now_floor = mn_now;	2064	now_floor = mn_now;
1893	}	2065	}
1894		2066
		2067	/* no timer adjustment, as the monotonic clock doesn't jump */
		2068	/* timers_reschedule (EV_A_ rtmn_diff - odiff) */
1895	# if EV_PERIODIC_ENABLE	2069	# if EV_PERIODIC_ENABLE
1896	periodics_reschedule (EV_A);	2070	periodics_reschedule (EV_A);
1897	# endif	2071	# endif
1898	/* no timer adjustment, as the monotonic clock doesn't jump */
1899	/* timers_reschedule (EV_A_ rtmn_diff - odiff) */
1900	}	2072	}
1901	else	2073	else
1902	#endif	2074	#endif
1903	{	2075	{
1904	ev_rt_now = ev_time ();	2076	ev_rt_now = ev_time ();
1905		2077
1906	if (expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP))	2078	if (expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP))
1907	{	2079	{
		2080	/* adjust timers. this is easy, as the offset is the same for all of them */
		2081	timers_reschedule (EV_A_ ev_rt_now - mn_now);
1908	#if EV_PERIODIC_ENABLE	2082	#if EV_PERIODIC_ENABLE
1909	periodics_reschedule (EV_A);	2083	periodics_reschedule (EV_A);
1910	#endif	2084	#endif
1911	/* adjust timers. this is easy, as the offset is the same for all of them */
1912	for (i = 0; i < timercnt; ++i)
1913	{
1914	ANHE *he = timers + i + HEAP0;
1915	ANHE_w (*he)->at += ev_rt_now - mn_now;
1916	ANHE_at_cache (*he);
1917	}
1918	}	2085	}
1919		2086
1920	mn_now = ev_rt_now;	2087	mn_now = ev_rt_now;
1921	}	2088	}
1922	}	2089	}
1923		2090
1924	void	2091	void
1925	ev_ref (EV_P)
1926	{
1927	++activecnt;
1928	}
1929
1930	void
1931	ev_unref (EV_P)
1932	{
1933	--activecnt;
1934	}
1935
1936	void
1937	ev_now_update (EV_P)
1938	{
1939	time_update (EV_A_ 1e100);
1940	}
1941
1942	static int loop_done;
1943
1944	void
1945	ev_loop (EV_P_ int flags)	2092	ev_loop (EV_P_ int flags)
1946	{	2093	{
		2094	#if EV_MINIMAL < 2
		2095	++loop_depth;
		2096	#endif
		2097
		2098	assert (("libev: ev_loop recursion during release detected", loop_done != EVUNLOOP_RECURSE));
		2099
1947	loop_done = EVUNLOOP_CANCEL;	2100	loop_done = EVUNLOOP_CANCEL;
1948		2101
1949	call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */	2102	EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */
1950		2103
1951	do	2104	do
1952	{	2105	{
1953	#if EV_VERIFY >= 2	2106	#if EV_VERIFY >= 2
1954	ev_loop_verify (EV_A);	2107	ev_loop_verify (EV_A);
…		…
1967	/* we might have forked, so queue fork handlers */	2120	/* we might have forked, so queue fork handlers */
1968	if (expect_false (postfork))	2121	if (expect_false (postfork))
1969	if (forkcnt)	2122	if (forkcnt)
1970	{	2123	{
1971	queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);	2124	queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);
1972	call_pending (EV_A);	2125	EV_INVOKE_PENDING;
1973	}	2126	}
1974	#endif	2127	#endif
1975		2128
1976	/* queue prepare watchers (and execute them) */	2129	/* queue prepare watchers (and execute them) */
1977	if (expect_false (preparecnt))	2130	if (expect_false (preparecnt))
1978	{	2131	{
1979	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);	2132	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
1980	call_pending (EV_A);	2133	EV_INVOKE_PENDING;
1981	}	2134	}
1982		2135
1983	if (expect_false (!activecnt))	2136	if (expect_false (loop_done))
1984	break;	2137	break;
1985		2138
1986	/* we might have forked, so reify kernel state if necessary */	2139	/* we might have forked, so reify kernel state if necessary */
1987	if (expect_false (postfork))	2140	if (expect_false (postfork))
1988	loop_fork (EV_A);	2141	loop_fork (EV_A);
…		…
1995	ev_tstamp waittime = 0.;	2148	ev_tstamp waittime = 0.;
1996	ev_tstamp sleeptime = 0.;	2149	ev_tstamp sleeptime = 0.;
1997		2150
1998	if (expect_true (!(flags & EVLOOP_NONBLOCK || idleall || !activecnt)))	2151	if (expect_true (!(flags & EVLOOP_NONBLOCK || idleall || !activecnt)))
1999	{	2152	{
		2153	/* remember old timestamp for io_blocktime calculation */
		2154	ev_tstamp prev_mn_now = mn_now;
		2155
2000	/* update time to cancel out callback processing overhead */	2156	/* update time to cancel out callback processing overhead */
2001	time_update (EV_A_ 1e100);	2157	time_update (EV_A_ 1e100);
2002		2158
2003	waittime = MAX_BLOCKTIME;	2159	waittime = MAX_BLOCKTIME;
2004		2160
…		…
2014	ev_tstamp to = ANHE_at (periodics [HEAP0]) - ev_rt_now + backend_fudge;	2170	ev_tstamp to = ANHE_at (periodics [HEAP0]) - ev_rt_now + backend_fudge;
2015	if (waittime > to) waittime = to;	2171	if (waittime > to) waittime = to;
2016	}	2172	}
2017	#endif	2173	#endif
2018		2174
		2175	/* don't let timeouts decrease the waittime below timeout_blocktime */
2019	if (expect_false (waittime < timeout_blocktime))	2176	if (expect_false (waittime < timeout_blocktime))
2020	waittime = timeout_blocktime;	2177	waittime = timeout_blocktime;
2021		2178
2022	sleeptime = waittime - backend_fudge;	2179	/* extra check because io_blocktime is commonly 0 */
2023
2024	if (expect_true (sleeptime > io_blocktime))	2180	if (expect_false (io_blocktime))
2025	sleeptime = io_blocktime;
2026
2027	if (sleeptime)
2028	{	2181	{
		2182	sleeptime = io_blocktime - (mn_now - prev_mn_now);
		2183
		2184	if (sleeptime > waittime - backend_fudge)
		2185	sleeptime = waittime - backend_fudge;
		2186
		2187	if (expect_true (sleeptime > 0.))
		2188	{
2029	ev_sleep (sleeptime);	2189	ev_sleep (sleeptime);
2030	waittime -= sleeptime;	2190	waittime -= sleeptime;
		2191	}
2031	}	2192	}
2032	}	2193	}
2033		2194
		2195	#if EV_MINIMAL < 2
2034	++loop_count;	2196	++loop_count;
		2197	#endif
		2198	assert ((loop_done = EVUNLOOP_RECURSE, 1)); /* assert for side effect */
2035	backend_poll (EV_A_ waittime);	2199	backend_poll (EV_A_ waittime);
		2200	assert ((loop_done = EVUNLOOP_CANCEL, 1)); /* assert for side effect */
2036		2201
2037	/* update ev_rt_now, do magic */	2202	/* update ev_rt_now, do magic */
2038	time_update (EV_A_ waittime + sleeptime);	2203	time_update (EV_A_ waittime + sleeptime);
2039	}	2204	}
2040		2205
…		…
2051		2216
2052	/* queue check watchers, to be executed first */	2217	/* queue check watchers, to be executed first */
2053	if (expect_false (checkcnt))	2218	if (expect_false (checkcnt))
2054	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);	2219	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
2055		2220
2056	call_pending (EV_A);	2221	EV_INVOKE_PENDING;
2057	}	2222	}
2058	while (expect_true (	2223	while (expect_true (
2059	activecnt	2224	activecnt
2060	&& !loop_done	2225	&& !loop_done
2061	&& !(flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK))	2226	&& !(flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK))
2062	));	2227	));
2063		2228
2064	if (loop_done == EVUNLOOP_ONE)	2229	if (loop_done == EVUNLOOP_ONE)
2065	loop_done = EVUNLOOP_CANCEL;	2230	loop_done = EVUNLOOP_CANCEL;
		2231
		2232	#if EV_MINIMAL < 2
		2233	--loop_depth;
		2234	#endif
2066	}	2235	}
2067		2236
2068	void	2237	void
2069	ev_unloop (EV_P_ int how)	2238	ev_unloop (EV_P_ int how)
2070	{	2239	{
2071	loop_done = how;	2240	loop_done = how;
2072	}	2241	}
2073		2242
		2243	void
		2244	ev_ref (EV_P)
		2245	{
		2246	++activecnt;
		2247	}
		2248
		2249	void
		2250	ev_unref (EV_P)
		2251	{
		2252	--activecnt;
		2253	}
		2254
		2255	void
		2256	ev_now_update (EV_P)
		2257	{
		2258	time_update (EV_A_ 1e100);
		2259	}
		2260
		2261	void
		2262	ev_suspend (EV_P)
		2263	{
		2264	ev_now_update (EV_A);
		2265	}
		2266
		2267	void
		2268	ev_resume (EV_P)
		2269	{
		2270	ev_tstamp mn_prev = mn_now;
		2271
		2272	ev_now_update (EV_A);
		2273	timers_reschedule (EV_A_ mn_now - mn_prev);
		2274	#if EV_PERIODIC_ENABLE
		2275	/* TODO: really do this? */
		2276	periodics_reschedule (EV_A);
		2277	#endif
		2278	}
		2279
2074	/*****************************************************************************/	2280	/*****************************************************************************/
		2281	/* singly-linked list management, used when the expected list length is short */
2075		2282
2076	void inline_size	2283	inline_size void
2077	wlist_add (WL *head, WL elem)	2284	wlist_add (WL *head, WL elem)
2078	{	2285	{
2079	elem->next = *head;	2286	elem->next = *head;
2080	*head = elem;	2287	*head = elem;
2081	}	2288	}
2082		2289
2083	void inline_size	2290	inline_size void
2084	wlist_del (WL *head, WL elem)	2291	wlist_del (WL *head, WL elem)
2085	{	2292	{
2086	while (*head)	2293	while (*head)
2087	{	2294	{
2088	if (*head == elem)	2295	if (*head == elem)
…		…
2093		2300
2094	head = &(*head)->next;	2301	head = &(*head)->next;
2095	}	2302	}
2096	}	2303	}
2097		2304
2098	void inline_speed	2305	/* internal, faster, version of ev_clear_pending */
		2306	inline_speed void
2099	clear_pending (EV_P_ W w)	2307	clear_pending (EV_P_ W w)
2100	{	2308	{
2101	if (w->pending)	2309	if (w->pending)
2102	{	2310	{
2103	pendings [ABSPRI (w)][w->pending - 1].w = 0;	2311	pendings [ABSPRI (w)][w->pending - 1].w = (W)&pending_w;
2104	w->pending = 0;	2312	w->pending = 0;
2105	}	2313	}
2106	}	2314	}
2107		2315
2108	int	2316	int
…		…
2112	int pending = w_->pending;	2320	int pending = w_->pending;
2113		2321
2114	if (expect_true (pending))	2322	if (expect_true (pending))
2115	{	2323	{
2116	ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1;	2324	ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1;
		2325	p->w = (W)&pending_w;
2117	w_->pending = 0;	2326	w_->pending = 0;
2118	p->w = 0;
2119	return p->events;	2327	return p->events;
2120	}	2328	}
2121	else	2329	else
2122	return 0;	2330	return 0;
2123	}	2331	}
2124		2332
2125	void inline_size	2333	inline_size void
2126	pri_adjust (EV_P_ W w)	2334	pri_adjust (EV_P_ W w)
2127	{	2335	{
2128	int pri = w->priority;	2336	int pri = ev_priority (w);
2129	pri = pri < EV_MINPRI ? EV_MINPRI : pri;	2337	pri = pri < EV_MINPRI ? EV_MINPRI : pri;
2130	pri = pri > EV_MAXPRI ? EV_MAXPRI : pri;	2338	pri = pri > EV_MAXPRI ? EV_MAXPRI : pri;
2131	w->priority = pri;	2339	ev_set_priority (w, pri);
2132	}	2340	}
2133		2341
2134	void inline_speed	2342	inline_speed void
2135	ev_start (EV_P_ W w, int active)	2343	ev_start (EV_P_ W w, int active)
2136	{	2344	{
2137	pri_adjust (EV_A_ w);	2345	pri_adjust (EV_A_ w);
2138	w->active = active;	2346	w->active = active;
2139	ev_ref (EV_A);	2347	ev_ref (EV_A);
2140	}	2348	}
2141		2349
2142	void inline_size	2350	inline_size void
2143	ev_stop (EV_P_ W w)	2351	ev_stop (EV_P_ W w)
2144	{	2352	{
2145	ev_unref (EV_A);	2353	ev_unref (EV_A);
2146	w->active = 0;	2354	w->active = 0;
2147	}	2355	}
…		…
2155		2363
2156	if (expect_false (ev_is_active (w)))	2364	if (expect_false (ev_is_active (w)))
2157	return;	2365	return;
2158		2366
2159	assert (("libev: ev_io_start called with negative fd", fd >= 0));	2367	assert (("libev: ev_io_start called with negative fd", fd >= 0));
2160	assert (("libev: ev_io start called with illegal event mask", !(w->events & ~(EV_IOFDSET | EV_READ | EV_WRITE))));	2368	assert (("libev: ev_io start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE))));
2161		2369
2162	EV_FREQUENT_CHECK;	2370	EV_FREQUENT_CHECK;
2163		2371
2164	ev_start (EV_A_ (W)w, 1);	2372	ev_start (EV_A_ (W)w, 1);
2165	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);	2373	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);
2166	wlist_add (&anfds[fd].head, (WL)w);	2374	wlist_add (&anfds[fd].head, (WL)w);
2167		2375
2168	fd_change (EV_A_ fd, w->events & EV_IOFDSET | 1);	2376	fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY);
2169	w->events &= ~EV_IOFDSET;	2377	w->events &= ~EV__IOFDSET;
2170		2378
2171	EV_FREQUENT_CHECK;	2379	EV_FREQUENT_CHECK;
2172	}	2380	}
2173		2381
2174	void noinline	2382	void noinline
…		…
2377	if (!((WL)w)->next)	2585	if (!((WL)w)->next)
2378	{	2586	{
2379	#if _WIN32	2587	#if _WIN32
2380	signal (w->signum, ev_sighandler);	2588	signal (w->signum, ev_sighandler);
2381	#else	2589	#else
2382	struct sigaction sa;	2590	struct sigaction sa = { };
2383	sa.sa_handler = ev_sighandler;	2591	sa.sa_handler = ev_sighandler;
2384	sigfillset (&sa.sa_mask);	2592	sigfillset (&sa.sa_mask);
2385	sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */	2593	sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */
2386	sigaction (w->signum, &sa, 0);	2594	sigaction (w->signum, &sa, 0);
2387	#endif	2595	#endif
…		…
2572		2780
2573	for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len)	2781	for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len)
2574	infy_wd (EV_A_ ev->wd, ev->wd, ev);	2782	infy_wd (EV_A_ ev->wd, ev->wd, ev);
2575	}	2783	}
2576		2784
2577	void inline_size	2785	inline_size void
2578	check_2625 (EV_P)	2786	check_2625 (EV_P)
2579	{	2787	{
2580	/* kernels < 2.6.25 are borked	2788	/* kernels < 2.6.25 are borked
2581	* http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html	2789	* http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html
2582	*/	2790	*/
…		…
2595	return;	2803	return;
2596		2804
2597	fs_2625 = 1;	2805	fs_2625 = 1;
2598	}	2806	}
2599		2807
2600	void inline_size	2808	inline_size void
2601	infy_init (EV_P)	2809	infy_init (EV_P)
2602	{	2810	{
2603	if (fs_fd != -2)	2811	if (fs_fd != -2)
2604	return;	2812	return;
2605		2813
…		…
2615	ev_set_priority (&fs_w, EV_MAXPRI);	2823	ev_set_priority (&fs_w, EV_MAXPRI);
2616	ev_io_start (EV_A_ &fs_w);	2824	ev_io_start (EV_A_ &fs_w);
2617	}	2825	}
2618	}	2826	}
2619		2827
2620	void inline_size	2828	inline_size void
2621	infy_fork (EV_P)	2829	infy_fork (EV_P)
2622	{	2830	{
2623	int slot;	2831	int slot;
2624		2832
2625	if (fs_fd < 0)	2833	if (fs_fd < 0)
…		…
3127	ev_timer_set (&once->to, timeout, 0.);	3335	ev_timer_set (&once->to, timeout, 0.);
3128	ev_timer_start (EV_A_ &once->to);	3336	ev_timer_start (EV_A_ &once->to);
3129	}	3337	}
3130	}	3338	}
3131		3339
		3340	/*****************************************************************************/
		3341
		3342	#if EV_WALK_ENABLE
		3343	void
		3344	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w))
		3345	{
		3346	int i, j;
		3347	ev_watcher_list *wl, *wn;
		3348
		3349	if (types & (EV_IO | EV_EMBED))
		3350	for (i = 0; i < anfdmax; ++i)
		3351	for (wl = anfds [i].head; wl; )
		3352	{
		3353	wn = wl->next;
		3354
		3355	#if EV_EMBED_ENABLE
		3356	if (ev_cb ((ev_io *)wl) == embed_io_cb)
		3357	{
		3358	if (types & EV_EMBED)
		3359	cb (EV_A_ EV_EMBED, ((char *)wl) - offsetof (struct ev_embed, io));
		3360	}
		3361	else
		3362	#endif
		3363	#if EV_USE_INOTIFY
		3364	if (ev_cb ((ev_io *)wl) == infy_cb)
		3365	;
		3366	else
		3367	#endif
		3368	if ((ev_io *)wl != &pipe_w)
		3369	if (types & EV_IO)
		3370	cb (EV_A_ EV_IO, wl);
		3371
		3372	wl = wn;
		3373	}
		3374
		3375	if (types & (EV_TIMER | EV_STAT))
		3376	for (i = timercnt + HEAP0; i-- > HEAP0; )
		3377	#if EV_STAT_ENABLE
		3378	/*TODO: timer is not always active*/
		3379	if (ev_cb ((ev_timer *)ANHE_w (timers [i])) == stat_timer_cb)
		3380	{
		3381	if (types & EV_STAT)
		3382	cb (EV_A_ EV_STAT, ((char *)ANHE_w (timers [i])) - offsetof (struct ev_stat, timer));
		3383	}
		3384	else
		3385	#endif
		3386	if (types & EV_TIMER)
		3387	cb (EV_A_ EV_TIMER, ANHE_w (timers [i]));
		3388
		3389	#if EV_PERIODIC_ENABLE
		3390	if (types & EV_PERIODIC)
		3391	for (i = periodiccnt + HEAP0; i-- > HEAP0; )
		3392	cb (EV_A_ EV_PERIODIC, ANHE_w (periodics [i]));
		3393	#endif
		3394
		3395	#if EV_IDLE_ENABLE
		3396	if (types & EV_IDLE)
		3397	for (j = NUMPRI; i--; )
		3398	for (i = idlecnt [j]; i--; )
		3399	cb (EV_A_ EV_IDLE, idles [j][i]);
		3400	#endif
		3401
		3402	#if EV_FORK_ENABLE
		3403	if (types & EV_FORK)
		3404	for (i = forkcnt; i--; )
		3405	if (ev_cb (forks [i]) != embed_fork_cb)
		3406	cb (EV_A_ EV_FORK, forks [i]);
		3407	#endif
		3408
		3409	#if EV_ASYNC_ENABLE
		3410	if (types & EV_ASYNC)
		3411	for (i = asynccnt; i--; )
		3412	cb (EV_A_ EV_ASYNC, asyncs [i]);
		3413	#endif
		3414
		3415	if (types & EV_PREPARE)
		3416	for (i = preparecnt; i--; )
		3417	#if EV_EMBED_ENABLE
		3418	if (ev_cb (prepares [i]) != embed_prepare_cb)
		3419	#endif
		3420	cb (EV_A_ EV_PREPARE, prepares [i]);
		3421
		3422	if (types & EV_CHECK)
		3423	for (i = checkcnt; i--; )
		3424	cb (EV_A_ EV_CHECK, checks [i]);
		3425
		3426	if (types & EV_SIGNAL)
		3427	for (i = 0; i < signalmax; ++i)
		3428	for (wl = signals [i].head; wl; )
		3429	{
		3430	wn = wl->next;
		3431	cb (EV_A_ EV_SIGNAL, wl);
		3432	wl = wn;
		3433	}
		3434
		3435	if (types & EV_CHILD)
		3436	for (i = EV_PID_HASHSIZE; i--; )
		3437	for (wl = childs [i]; wl; )
		3438	{
		3439	wn = wl->next;
		3440	cb (EV_A_ EV_CHILD, wl);
		3441	wl = wn;
		3442	}
		3443	/* EV_STAT 0x00001000 /* stat data changed */
		3444	/* EV_EMBED 0x00010000 /* embedded event loop needs sweep */
		3445	}
		3446	#endif
		3447
3132	#if EV_MULTIPLICITY	3448	#if EV_MULTIPLICITY
3133	#include "ev_wrap.h"	3449	#include "ev_wrap.h"
3134	#endif	3450	#endif
3135		3451
3136	#ifdef __cplusplus	3452	#ifdef __cplusplus

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