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Comparing libev/ev.c (file contents):
Revision 1.277 by root, Sun Dec 14 21:58:08 2008 UTC vs.
Revision 1.304 by root, Sun Jul 19 03:12:28 2009 UTC

1	/*	1	/*
2	* libev event processing core, watcher management	2	* libev event processing core, watcher management
3	*	3	*
4	* Copyright (c) 2007,2008 Marc Alexander Lehmann <libev@schmorp.de>	4	* Copyright (c) 2007,2008,2009 Marc Alexander Lehmann <libev@schmorp.de>
5	* All rights reserved.	5	* All rights reserved.
6	*	6	*
7	* Redistribution and use in source and binary forms, with or without modifica-	7	* Redistribution and use in source and binary forms, with or without modifica-
8	* tion, are permitted provided that the following conditions are met:	8	* tion, are permitted provided that the following conditions are met:
9	*	9	*
…		…
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
…		…
131	# else	133	# else
132	# define EV_USE_INOTIFY 0	134	# define EV_USE_INOTIFY 0
133	# endif	135	# endif
134	# endif	136	# endif
135		137
		138	# ifndef EV_USE_SIGNALFD
		139	# if HAVE_SIGNALFD && HAVE_SYS_SIGNALFD_H
		140	# define EV_USE_SIGNALFD 1
		141	# else
		142	# define EV_USE_SIGNALFD 0
		143	# endif
		144	# endif
		145
136	# ifndef EV_USE_EVENTFD	146	# ifndef EV_USE_EVENTFD
137	# if HAVE_EVENTFD	147	# if HAVE_EVENTFD
138	# define EV_USE_EVENTFD 1	148	# define EV_USE_EVENTFD 1
139	# else	149	# else
140	# define EV_USE_EVENTFD 0	150	# define EV_USE_EVENTFD 0
…		…
193	# define EV_USE_MONOTONIC 0	203	# define EV_USE_MONOTONIC 0
194	# endif	204	# endif
195	#endif	205	#endif
196		206
197	#ifndef EV_USE_REALTIME	207	#ifndef EV_USE_REALTIME
198	# define EV_USE_REALTIME 0	208	# define EV_USE_REALTIME !EV_USE_CLOCK_SYSCALL
199	#endif	209	#endif
200		210
201	#ifndef EV_USE_NANOSLEEP	211	#ifndef EV_USE_NANOSLEEP
202	# if _POSIX_C_SOURCE >= 199309L	212	# if _POSIX_C_SOURCE >= 199309L
203	# define EV_USE_NANOSLEEP 1	213	# define EV_USE_NANOSLEEP 1
…		…
264	# else	274	# else
265	# define EV_USE_EVENTFD 0	275	# define EV_USE_EVENTFD 0
266	# endif	276	# endif
267	#endif	277	#endif
268		278
		279	#ifndef EV_USE_SIGNALFD
		280	# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 9))
		281	# define EV_USE_SIGNALFD 1
		282	# else
		283	# define EV_USE_SIGNALFD 0
		284	# endif
		285	#endif
		286
269	#if 0 /* debugging */	287	#if 0 /* debugging */
270	# define EV_VERIFY 3	288	# define EV_VERIFY 3
271	# define EV_USE_4HEAP 1	289	# define EV_USE_4HEAP 1
272	# define EV_HEAP_CACHE_AT 1	290	# define EV_HEAP_CACHE_AT 1
273	#endif	291	#endif
…		…
280	# define EV_USE_4HEAP !EV_MINIMAL	298	# define EV_USE_4HEAP !EV_MINIMAL
281	#endif	299	#endif
282		300
283	#ifndef EV_HEAP_CACHE_AT	301	#ifndef EV_HEAP_CACHE_AT
284	# define EV_HEAP_CACHE_AT !EV_MINIMAL	302	# define EV_HEAP_CACHE_AT !EV_MINIMAL
		303	#endif
		304
		305	/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */
		306	/* which makes programs even slower. might work on other unices, too. */
		307	#if EV_USE_CLOCK_SYSCALL
		308	# include <syscall.h>
		309	# ifdef SYS_clock_gettime
		310	# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))
		311	# undef EV_USE_MONOTONIC
		312	# define EV_USE_MONOTONIC 1
		313	# else
		314	# undef EV_USE_CLOCK_SYSCALL
		315	# define EV_USE_CLOCK_SYSCALL 0
		316	# endif
285	#endif	317	#endif
286		318
287	/* this block fixes any misconfiguration where we know we run into trouble otherwise */	319	/* this block fixes any misconfiguration where we know we run into trouble otherwise */
288		320
289	#ifndef CLOCK_MONOTONIC	321	#ifndef CLOCK_MONOTONIC
…		…
320		352
321	#if EV_SELECT_IS_WINSOCKET	353	#if EV_SELECT_IS_WINSOCKET
322	# include <winsock.h>	354	# include <winsock.h>
323	#endif	355	#endif
324		356
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	357	#if EV_USE_EVENTFD
335	/* our minimum requirement is glibc 2.7 which has the stub, but not the header */	358	/* our minimum requirement is glibc 2.7 which has the stub, but not the header */
336	# include <stdint.h>	359	# include <stdint.h>
		360	# ifndef EFD_NONBLOCK
		361	# define EFD_NONBLOCK O_NONBLOCK
		362	# endif
		363	# ifndef EFD_CLOEXEC
		364	# define EFD_CLOEXEC O_CLOEXEC
		365	# endif
337	# ifdef __cplusplus	366	# ifdef __cplusplus
338	extern "C" {	367	extern "C" {
339	# endif	368	# endif
340	int eventfd (unsigned int initval, int flags);	369	int eventfd (unsigned int initval, int flags);
341	# ifdef __cplusplus	370	# ifdef __cplusplus
342	}	371	}
343	# endif	372	# endif
		373	#endif
		374
		375	#if EV_USE_SIGNALFD
		376	# include <sys/signalfd.h>
344	#endif	377	#endif
345		378
346	/**/	379	/**/
347		380
348	#if EV_VERIFY >= 3	381	#if EV_VERIFY >= 3
…		…
384	# define inline_speed static noinline	417	# define inline_speed static noinline
385	#else	418	#else
386	# define inline_speed static inline	419	# define inline_speed static inline
387	#endif	420	#endif
388		421
389	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)	422	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
		423
		424	#if EV_MINPRI == EV_MAXPRI
		425	# define ABSPRI(w) (((W)w), 0)
		426	#else
390	#define ABSPRI(w) (((W)w)->priority - EV_MINPRI)	427	# define ABSPRI(w) (((W)w)->priority - EV_MINPRI)
		428	#endif
391		429
392	#define EMPTY /* required for microsofts broken pseudo-c compiler */	430	#define EMPTY /* required for microsofts broken pseudo-c compiler */
393	#define EMPTY2(a,b) /* used to suppress some warnings */	431	#define EMPTY2(a,b) /* used to suppress some warnings */
394		432
395	typedef ev_watcher *W;	433	typedef ev_watcher *W;
…		…
397	typedef ev_watcher_time *WT;	435	typedef ev_watcher_time *WT;
398		436
399	#define ev_active(w) ((W)(w))->active	437	#define ev_active(w) ((W)(w))->active
400	#define ev_at(w) ((WT)(w))->at	438	#define ev_at(w) ((WT)(w))->at
401		439
402	#if EV_USE_MONOTONIC	440	#if EV_USE_REALTIME
403	/* sig_atomic_t is used to avoid per-thread variables or locking but still */	441	/* 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 */	442	/* giving it a reasonably high chance of working on typical architetcures */
		443	static EV_ATOMIC_T have_realtime; /* did clock_gettime (CLOCK_REALTIME) work? */
		444	#endif
		445
		446	#if EV_USE_MONOTONIC
405	static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */	447	static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */
406	#endif	448	#endif
407		449
408	#ifdef _WIN32	450	#ifdef _WIN32
409	# include "ev_win32.c"	451	# include "ev_win32.c"
…		…
474	#define ev_malloc(size) ev_realloc (0, (size))	516	#define ev_malloc(size) ev_realloc (0, (size))
475	#define ev_free(ptr) ev_realloc ((ptr), 0)	517	#define ev_free(ptr) ev_realloc ((ptr), 0)
476		518
477	/*****************************************************************************/	519	/*****************************************************************************/
478		520
		521	/* set in reify when reification needed */
		522	#define EV_ANFD_REIFY 1
		523
		524	/* file descriptor info structure */
479	typedef struct	525	typedef struct
480	{	526	{
481	WL head;	527	WL head;
482	unsigned char events;	528	unsigned char events; /* the events watched for */
483	unsigned char reify;	529	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 */	530	unsigned char emask; /* the epoll backend stores the actual kernel mask in here */
485	unsigned char unused;	531	unsigned char unused;
486	#if EV_USE_EPOLL	532	#if EV_USE_EPOLL
487	unsigned int egen; /* generation counter to counter epoll bugs */	533	unsigned int egen; /* generation counter to counter epoll bugs */
488	#endif	534	#endif
489	#if EV_SELECT_IS_WINSOCKET	535	#if EV_SELECT_IS_WINSOCKET
490	SOCKET handle;	536	SOCKET handle;
491	#endif	537	#endif
492	} ANFD;	538	} ANFD;
493		539
		540	/* stores the pending event set for a given watcher */
494	typedef struct	541	typedef struct
495	{	542	{
496	W w;	543	W w;
497	int events;	544	int events; /* the pending event set for the given watcher */
498	} ANPENDING;	545	} ANPENDING;
499		546
500	#if EV_USE_INOTIFY	547	#if EV_USE_INOTIFY
501	/* hash table entry per inotify-id */	548	/* hash table entry per inotify-id */
502	typedef struct	549	typedef struct
…		…
505	} ANFS;	552	} ANFS;
506	#endif	553	#endif
507		554
508	/* Heap Entry */	555	/* Heap Entry */
509	#if EV_HEAP_CACHE_AT	556	#if EV_HEAP_CACHE_AT
		557	/* a heap element */
510	typedef struct {	558	typedef struct {
511	ev_tstamp at;	559	ev_tstamp at;
512	WT w;	560	WT w;
513	} ANHE;	561	} ANHE;
514		562
515	#define ANHE_w(he) (he).w /* access watcher, read-write */	563	#define ANHE_w(he) (he).w /* access watcher, read-write */
516	#define ANHE_at(he) (he).at /* access cached at, read-only */	564	#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 */	565	#define ANHE_at_cache(he) (he).at = (he).w->at /* update at from watcher */
518	#else	566	#else
		567	/* a heap element */
519	typedef WT ANHE;	568	typedef WT ANHE;
520		569
521	#define ANHE_w(he) (he)	570	#define ANHE_w(he) (he)
522	#define ANHE_at(he) (he)->at	571	#define ANHE_at(he) (he)->at
523	#define ANHE_at_cache(he)	572	#define ANHE_at_cache(he)
…		…
547		596
548	static int ev_default_loop_ptr;	597	static int ev_default_loop_ptr;
549		598
550	#endif	599	#endif
551		600
		601	#if EV_MINIMAL < 2
		602	# define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A)
		603	# define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A)
		604	# define EV_INVOKE_PENDING invoke_cb (EV_A)
		605	#else
		606	# define EV_RELEASE_CB (void)0
		607	# define EV_ACQUIRE_CB (void)0
		608	# define EV_INVOKE_PENDING ev_invoke_pending (EV_A)
		609	#endif
		610
		611	#define EVUNLOOP_RECURSE 0x80
		612
552	/*****************************************************************************/	613	/*****************************************************************************/
553		614
		615	#ifndef EV_HAVE_EV_TIME
554	ev_tstamp	616	ev_tstamp
555	ev_time (void)	617	ev_time (void)
556	{	618	{
557	#if EV_USE_REALTIME	619	#if EV_USE_REALTIME
		620	if (expect_true (have_realtime))
		621	{
558	struct timespec ts;	622	struct timespec ts;
559	clock_gettime (CLOCK_REALTIME, &ts);	623	clock_gettime (CLOCK_REALTIME, &ts);
560	return ts.tv_sec + ts.tv_nsec * 1e-9;	624	return ts.tv_sec + ts.tv_nsec * 1e-9;
561	#else	625	}
		626	#endif
		627
562	struct timeval tv;	628	struct timeval tv;
563	gettimeofday (&tv, 0);	629	gettimeofday (&tv, 0);
564	return tv.tv_sec + tv.tv_usec * 1e-6;	630	return tv.tv_sec + tv.tv_usec * 1e-6;
565	#endif
566	}	631	}
		632	#endif
567		633
568	ev_tstamp inline_size	634	inline_size ev_tstamp
569	get_clock (void)	635	get_clock (void)
570	{	636	{
571	#if EV_USE_MONOTONIC	637	#if EV_USE_MONOTONIC
572	if (expect_true (have_monotonic))	638	if (expect_true (have_monotonic))
573	{	639	{
…		…
607		673
608	tv.tv_sec = (time_t)delay;	674	tv.tv_sec = (time_t)delay;
609	tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6);	675	tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6);
610		676
611	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */	677	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */
612	/* somehting nto guaranteed by newer posix versions, but guaranteed */	678	/* something not guaranteed by newer posix versions, but guaranteed */
613	/* by older ones */	679	/* by older ones */
614	select (0, 0, 0, 0, &tv);	680	select (0, 0, 0, 0, &tv);
615	#endif	681	#endif
616	}	682	}
617	}	683	}
618		684
619	/*****************************************************************************/	685	/*****************************************************************************/
620		686
621	#define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */	687	#define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */
622		688
623	int inline_size	689	/* find a suitable new size for the given array, */
		690	/* hopefully by rounding to a ncie-to-malloc size */
		691	inline_size int
624	array_nextsize (int elem, int cur, int cnt)	692	array_nextsize (int elem, int cur, int cnt)
625	{	693	{
626	int ncur = cur + 1;	694	int ncur = cur + 1;
627		695
628	do	696	do
…		…
669	fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\	737	fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\
670	}	738	}
671	#endif	739	#endif
672		740
673	#define array_free(stem, idx) \	741	#define array_free(stem, idx) \
674	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0;	742	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0
675		743
676	/*****************************************************************************/	744	/*****************************************************************************/
		745
		746	/* dummy callback for pending events */
		747	static void noinline
		748	pendingcb (EV_P_ ev_prepare *w, int revents)
		749	{
		750	}
677		751
678	void noinline	752	void noinline
679	ev_feed_event (EV_P_ void *w, int revents)	753	ev_feed_event (EV_P_ void *w, int revents)
680	{	754	{
681	W w_ = (W)w;	755	W w_ = (W)w;
…		…
690	pendings [pri][w_->pending - 1].w = w_;	764	pendings [pri][w_->pending - 1].w = w_;
691	pendings [pri][w_->pending - 1].events = revents;	765	pendings [pri][w_->pending - 1].events = revents;
692	}	766	}
693	}	767	}
694		768
695	void inline_speed	769	inline_speed void
		770	feed_reverse (EV_P_ W w)
		771	{
		772	array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, EMPTY2);
		773	rfeeds [rfeedcnt++] = w;
		774	}
		775
		776	inline_size void
		777	feed_reverse_done (EV_P_ int revents)
		778	{
		779	do
		780	ev_feed_event (EV_A_ rfeeds [--rfeedcnt], revents);
		781	while (rfeedcnt);
		782	}
		783
		784	inline_speed void
696	queue_events (EV_P_ W *events, int eventcnt, int type)	785	queue_events (EV_P_ W *events, int eventcnt, int type)
697	{	786	{
698	int i;	787	int i;
699		788
700	for (i = 0; i < eventcnt; ++i)	789	for (i = 0; i < eventcnt; ++i)
701	ev_feed_event (EV_A_ events [i], type);	790	ev_feed_event (EV_A_ events [i], type);
702	}	791	}
703		792
704	/*****************************************************************************/	793	/*****************************************************************************/
705		794
706	void inline_speed	795	inline_speed void
707	fd_event (EV_P_ int fd, int revents)	796	fd_event_nc (EV_P_ int fd, int revents)
708	{	797	{
709	ANFD *anfd = anfds + fd;	798	ANFD *anfd = anfds + fd;
710	ev_io *w;	799	ev_io *w;
711		800
712	for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next)	801	for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next)
…		…
716	if (ev)	805	if (ev)
717	ev_feed_event (EV_A_ (W)w, ev);	806	ev_feed_event (EV_A_ (W)w, ev);
718	}	807	}
719	}	808	}
720		809
		810	/* do not submit kernel events for fds that have reify set */
		811	/* because that means they changed while we were polling for new events */
		812	inline_speed void
		813	fd_event (EV_P_ int fd, int revents)
		814	{
		815	ANFD *anfd = anfds + fd;
		816
		817	if (expect_true (!anfd->reify))
		818	fd_event_nc (EV_A_ fd, revents);
		819	}
		820
721	void	821	void
722	ev_feed_fd_event (EV_P_ int fd, int revents)	822	ev_feed_fd_event (EV_P_ int fd, int revents)
723	{	823	{
724	if (fd >= 0 && fd < anfdmax)	824	if (fd >= 0 && fd < anfdmax)
725	fd_event (EV_A_ fd, revents);	825	fd_event_nc (EV_A_ fd, revents);
726	}	826	}
727		827
728	void inline_size	828	/* make sure the external fd watch events are in-sync */
		829	/* with the kernel/libev internal state */
		830	inline_size void
729	fd_reify (EV_P)	831	fd_reify (EV_P)
730	{	832	{
731	int i;	833	int i;
732		834
733	for (i = 0; i < fdchangecnt; ++i)	835	for (i = 0; i < fdchangecnt; ++i)
…		…
748	#ifdef EV_FD_TO_WIN32_HANDLE	850	#ifdef EV_FD_TO_WIN32_HANDLE
749	anfd->handle = EV_FD_TO_WIN32_HANDLE (fd);	851	anfd->handle = EV_FD_TO_WIN32_HANDLE (fd);
750	#else	852	#else
751	anfd->handle = _get_osfhandle (fd);	853	anfd->handle = _get_osfhandle (fd);
752	#endif	854	#endif
753	assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0));	855	assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0));
754	}	856	}
755	#endif	857	#endif
756		858
757	{	859	{
758	unsigned char o_events = anfd->events;	860	unsigned char o_events = anfd->events;
759	unsigned char o_reify = anfd->reify;	861	unsigned char o_reify = anfd->reify;
760		862
761	anfd->reify = 0;	863	anfd->reify = 0;
762	anfd->events = events;	864	anfd->events = events;
763		865
764	if (o_events != events || o_reify & EV_IOFDSET)	866	if (o_events != events || o_reify & EV__IOFDSET)
765	backend_modify (EV_A_ fd, o_events, events);	867	backend_modify (EV_A_ fd, o_events, events);
766	}	868	}
767	}	869	}
768		870
769	fdchangecnt = 0;	871	fdchangecnt = 0;
770	}	872	}
771		873
772	void inline_size	874	/* something about the given fd changed */
		875	inline_size void
773	fd_change (EV_P_ int fd, int flags)	876	fd_change (EV_P_ int fd, int flags)
774	{	877	{
775	unsigned char reify = anfds [fd].reify;	878	unsigned char reify = anfds [fd].reify;
776	anfds [fd].reify |= flags;	879	anfds [fd].reify |= flags;
777		880
…		…
781	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2);	884	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2);
782	fdchanges [fdchangecnt - 1] = fd;	885	fdchanges [fdchangecnt - 1] = fd;
783	}	886	}
784	}	887	}
785		888
786	void inline_speed	889	/* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */
		890	inline_speed void
787	fd_kill (EV_P_ int fd)	891	fd_kill (EV_P_ int fd)
788	{	892	{
789	ev_io *w;	893	ev_io *w;
790		894
791	while ((w = (ev_io *)anfds [fd].head))	895	while ((w = (ev_io *)anfds [fd].head))
…		…
793	ev_io_stop (EV_A_ w);	897	ev_io_stop (EV_A_ w);
794	ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE);	898	ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE);
795	}	899	}
796	}	900	}
797		901
798	int inline_size	902	/* check whether the given fd is atcually valid, for error recovery */
		903	inline_size int
799	fd_valid (int fd)	904	fd_valid (int fd)
800	{	905	{
801	#ifdef _WIN32	906	#ifdef _WIN32
802	return _get_osfhandle (fd) != -1;	907	return _get_osfhandle (fd) != -1;
803	#else	908	#else
…		…
840	for (fd = 0; fd < anfdmax; ++fd)	945	for (fd = 0; fd < anfdmax; ++fd)
841	if (anfds [fd].events)	946	if (anfds [fd].events)
842	{	947	{
843	anfds [fd].events = 0;	948	anfds [fd].events = 0;
844	anfds [fd].emask = 0;	949	anfds [fd].emask = 0;
845	fd_change (EV_A_ fd, EV_IOFDSET | 1);	950	fd_change (EV_A_ fd, EV__IOFDSET | EV_ANFD_REIFY);
846	}	951	}
847	}	952	}
848		953
849	/*****************************************************************************/	954	/*****************************************************************************/
850		955
…		…
866	#define HEAP0 (DHEAP - 1) /* index of first element in heap */	971	#define HEAP0 (DHEAP - 1) /* index of first element in heap */
867	#define HPARENT(k) ((((k) - HEAP0 - 1) / DHEAP) + HEAP0)	972	#define HPARENT(k) ((((k) - HEAP0 - 1) / DHEAP) + HEAP0)
868	#define UPHEAP_DONE(p,k) ((p) == (k))	973	#define UPHEAP_DONE(p,k) ((p) == (k))
869		974
870	/* away from the root */	975	/* away from the root */
871	void inline_speed	976	inline_speed void
872	downheap (ANHE *heap, int N, int k)	977	downheap (ANHE *heap, int N, int k)
873	{	978	{
874	ANHE he = heap [k];	979	ANHE he = heap [k];
875	ANHE *E = heap + N + HEAP0;	980	ANHE *E = heap + N + HEAP0;
876		981
…		…
916	#define HEAP0 1	1021	#define HEAP0 1
917	#define HPARENT(k) ((k) >> 1)	1022	#define HPARENT(k) ((k) >> 1)
918	#define UPHEAP_DONE(p,k) (!(p))	1023	#define UPHEAP_DONE(p,k) (!(p))
919		1024
920	/* away from the root */	1025	/* away from the root */
921	void inline_speed	1026	inline_speed void
922	downheap (ANHE *heap, int N, int k)	1027	downheap (ANHE *heap, int N, int k)
923	{	1028	{
924	ANHE he = heap [k];	1029	ANHE he = heap [k];
925		1030
926	for (;;)	1031	for (;;)
…		…
946	ev_active (ANHE_w (he)) = k;	1051	ev_active (ANHE_w (he)) = k;
947	}	1052	}
948	#endif	1053	#endif
949		1054
950	/* towards the root */	1055	/* towards the root */
951	void inline_speed	1056	inline_speed void
952	upheap (ANHE *heap, int k)	1057	upheap (ANHE *heap, int k)
953	{	1058	{
954	ANHE he = heap [k];	1059	ANHE he = heap [k];
955		1060
956	for (;;)	1061	for (;;)
…		…
967		1072
968	heap [k] = he;	1073	heap [k] = he;
969	ev_active (ANHE_w (he)) = k;	1074	ev_active (ANHE_w (he)) = k;
970	}	1075	}
971		1076
972	void inline_size	1077	/* move an element suitably so it is in a correct place */
		1078	inline_size void
973	adjustheap (ANHE *heap, int N, int k)	1079	adjustheap (ANHE *heap, int N, int k)
974	{	1080	{
975	if (k > HEAP0 && ANHE_at (heap [HPARENT (k)]) >= ANHE_at (heap [k]))	1081	if (k > HEAP0 && ANHE_at (heap [HPARENT (k)]) >= ANHE_at (heap [k]))
976	upheap (heap, k);	1082	upheap (heap, k);
977	else	1083	else
978	downheap (heap, N, k);	1084	downheap (heap, N, k);
979	}	1085	}
980		1086
981	/* rebuild the heap: this function is used only once and executed rarely */	1087	/* rebuild the heap: this function is used only once and executed rarely */
982	void inline_size	1088	inline_size void
983	reheap (ANHE *heap, int N)	1089	reheap (ANHE *heap, int N)
984	{	1090	{
985	int i;	1091	int i;
986		1092
987	/* we don't use floyds algorithm, upheap is simpler and is more cache-efficient */	1093	/* we don't use floyds algorithm, upheap is simpler and is more cache-efficient */
…		…
990	upheap (heap, i + HEAP0);	1096	upheap (heap, i + HEAP0);
991	}	1097	}
992		1098
993	/*****************************************************************************/	1099	/*****************************************************************************/
994		1100
		1101	/* associate signal watchers to a signal signal */
995	typedef struct	1102	typedef struct
996	{	1103	{
997	WL head;	1104	WL head;
998	EV_ATOMIC_T gotsig;	1105	EV_ATOMIC_T gotsig;
999	} ANSIG;	1106	} ANSIG;
…		…
1003		1110
1004	static EV_ATOMIC_T gotsig;	1111	static EV_ATOMIC_T gotsig;
1005		1112
1006	/*****************************************************************************/	1113	/*****************************************************************************/
1007		1114
1008	void inline_speed	1115	/* used to prepare libev internal fd's */
		1116	/* this is not fork-safe */
		1117	inline_speed void
1009	fd_intern (int fd)	1118	fd_intern (int fd)
1010	{	1119	{
1011	#ifdef _WIN32	1120	#ifdef _WIN32
1012	unsigned long arg = 1;	1121	unsigned long arg = 1;
1013	ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg);	1122	ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg);
…		…
1018	}	1127	}
1019		1128
1020	static void noinline	1129	static void noinline
1021	evpipe_init (EV_P)	1130	evpipe_init (EV_P)
1022	{	1131	{
1023	if (!ev_is_active (&pipeev))	1132	if (!ev_is_active (&pipe_w))
1024	{	1133	{
1025	#if EV_USE_EVENTFD	1134	#if EV_USE_EVENTFD
		1135	evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC);
		1136	if (evfd < 0 && errno == EINVAL)
1026	if ((evfd = eventfd (0, 0)) >= 0)	1137	evfd = eventfd (0, 0);
		1138
		1139	if (evfd >= 0)
1027	{	1140	{
1028	evpipe [0] = -1;	1141	evpipe [0] = -1;
1029	fd_intern (evfd);	1142	fd_intern (evfd); /* doing it twice doesn't hurt */
1030	ev_io_set (&pipeev, evfd, EV_READ);	1143	ev_io_set (&pipe_w, evfd, EV_READ);
1031	}	1144	}
1032	else	1145	else
1033	#endif	1146	#endif
1034	{	1147	{
1035	while (pipe (evpipe))	1148	while (pipe (evpipe))
1036	ev_syserr ("(libev) error creating signal/async pipe");	1149	ev_syserr ("(libev) error creating signal/async pipe");
1037		1150
1038	fd_intern (evpipe [0]);	1151	fd_intern (evpipe [0]);
1039	fd_intern (evpipe [1]);	1152	fd_intern (evpipe [1]);
1040	ev_io_set (&pipeev, evpipe [0], EV_READ);	1153	ev_io_set (&pipe_w, evpipe [0], EV_READ);
1041	}	1154	}
1042		1155
1043	ev_io_start (EV_A_ &pipeev);	1156	ev_io_start (EV_A_ &pipe_w);
1044	ev_unref (EV_A); /* watcher should not keep loop alive */	1157	ev_unref (EV_A); /* watcher should not keep loop alive */
1045	}	1158	}
1046	}	1159	}
1047		1160
1048	void inline_size	1161	inline_size void
1049	evpipe_write (EV_P_ EV_ATOMIC_T *flag)	1162	evpipe_write (EV_P_ EV_ATOMIC_T *flag)
1050	{	1163	{
1051	if (!*flag)	1164	if (!*flag)
1052	{	1165	{
1053	int old_errno = errno; /* save errno because write might clobber it */	1166	int old_errno = errno; /* save errno because write might clobber it */
…		…
1066		1179
1067	errno = old_errno;	1180	errno = old_errno;
1068	}	1181	}
1069	}	1182	}
1070		1183
		1184	/* called whenever the libev signal pipe */
		1185	/* got some events (signal, async) */
1071	static void	1186	static void
1072	pipecb (EV_P_ ev_io *iow, int revents)	1187	pipecb (EV_P_ ev_io *iow, int revents)
1073	{	1188	{
1074	#if EV_USE_EVENTFD	1189	#if EV_USE_EVENTFD
1075	if (evfd >= 0)	1190	if (evfd >= 0)
…		…
1131	ev_feed_signal_event (EV_P_ int signum)	1246	ev_feed_signal_event (EV_P_ int signum)
1132	{	1247	{
1133	WL w;	1248	WL w;
1134		1249
1135	#if EV_MULTIPLICITY	1250	#if EV_MULTIPLICITY
1136	assert (("feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr));	1251	assert (("libev: feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr));
1137	#endif	1252	#endif
1138		1253
1139	--signum;	1254	--signum;
1140		1255
1141	if (signum < 0 || signum >= signalmax)	1256	if (signum < 0 || signum >= signalmax)
…		…
1145		1260
1146	for (w = signals [signum].head; w; w = w->next)	1261	for (w = signals [signum].head; w; w = w->next)
1147	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);	1262	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);
1148	}	1263	}
1149		1264
		1265	#if EV_USE_SIGNALFD
		1266	static void
		1267	sigfdcb (EV_P_ ev_io *iow, int revents)
		1268	{
		1269	struct signalfd_siginfo si[4], *sip;
		1270
		1271	for (;;)
		1272	{
		1273	ssize_t res = read (sigfd, si, sizeof (si));
		1274
		1275	/* not ISO-C, as res might be -1, but works with SuS */
		1276	for (sip = si; (char *)sip < (char *)si + res; ++sip)
		1277	ev_feed_signal_event (EV_A_ sip->ssi_signo);
		1278
		1279	if (res < (ssize_t)sizeof (si))
		1280	break;
		1281	}
		1282	}
		1283	#endif
		1284
1150	/*****************************************************************************/	1285	/*****************************************************************************/
1151		1286
1152	static WL childs [EV_PID_HASHSIZE];	1287	static WL childs [EV_PID_HASHSIZE];
1153		1288
1154	#ifndef _WIN32	1289	#ifndef _WIN32
…		…
1157		1292
1158	#ifndef WIFCONTINUED	1293	#ifndef WIFCONTINUED
1159	# define WIFCONTINUED(status) 0	1294	# define WIFCONTINUED(status) 0
1160	#endif	1295	#endif
1161		1296
1162	void inline_speed	1297	/* handle a single child status event */
		1298	inline_speed void
1163	child_reap (EV_P_ int chain, int pid, int status)	1299	child_reap (EV_P_ int chain, int pid, int status)
1164	{	1300	{
1165	ev_child *w;	1301	ev_child *w;
1166	int traced = WIFSTOPPED (status) || WIFCONTINUED (status);	1302	int traced = WIFSTOPPED (status) || WIFCONTINUED (status);
1167		1303
…		…
1180		1316
1181	#ifndef WCONTINUED	1317	#ifndef WCONTINUED
1182	# define WCONTINUED 0	1318	# define WCONTINUED 0
1183	#endif	1319	#endif
1184		1320
		1321	/* called on sigchld etc., calls waitpid */
1185	static void	1322	static void
1186	childcb (EV_P_ ev_signal *sw, int revents)	1323	childcb (EV_P_ ev_signal *sw, int revents)
1187	{	1324	{
1188	int pid, status;	1325	int pid, status;
1189		1326
…		…
1270	/* kqueue is borked on everything but netbsd apparently */	1407	/* kqueue is borked on everything but netbsd apparently */
1271	/* it usually doesn't work correctly on anything but sockets and pipes */	1408	/* it usually doesn't work correctly on anything but sockets and pipes */
1272	flags &= ~EVBACKEND_KQUEUE;	1409	flags &= ~EVBACKEND_KQUEUE;
1273	#endif	1410	#endif
1274	#ifdef __APPLE__	1411	#ifdef __APPLE__
1275	// flags &= ~EVBACKEND_KQUEUE & ~EVBACKEND_POLL; for documentation	1412	/* only select works correctly on that "unix-certified" platform */
1276	flags &= ~EVBACKEND_SELECT;	1413	flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */
		1414	flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */
1277	#endif	1415	#endif
1278		1416
1279	return flags;	1417	return flags;
1280	}	1418	}
1281		1419
…		…
1295	ev_backend (EV_P)	1433	ev_backend (EV_P)
1296	{	1434	{
1297	return backend;	1435	return backend;
1298	}	1436	}
1299		1437
		1438	#if EV_MINIMAL < 2
1300	unsigned int	1439	unsigned int
1301	ev_loop_count (EV_P)	1440	ev_loop_count (EV_P)
1302	{	1441	{
1303	return loop_count;	1442	return loop_count;
1304	}	1443	}
1305		1444
		1445	unsigned int
		1446	ev_loop_depth (EV_P)
		1447	{
		1448	return loop_depth;
		1449	}
		1450
1306	void	1451	void
1307	ev_set_io_collect_interval (EV_P_ ev_tstamp interval)	1452	ev_set_io_collect_interval (EV_P_ ev_tstamp interval)
1308	{	1453	{
1309	io_blocktime = interval;	1454	io_blocktime = interval;
1310	}	1455	}
…		…
1313	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval)	1458	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval)
1314	{	1459	{
1315	timeout_blocktime = interval;	1460	timeout_blocktime = interval;
1316	}	1461	}
1317		1462
		1463	void
		1464	ev_set_userdata (EV_P_ void *data)
		1465	{
		1466	userdata = data;
		1467	}
		1468
		1469	void *
		1470	ev_userdata (EV_P)
		1471	{
		1472	return userdata;
		1473	}
		1474
		1475	void ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P))
		1476	{
		1477	invoke_cb = invoke_pending_cb;
		1478	}
		1479
		1480	void ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P))
		1481	{
		1482	release_cb = release;
		1483	acquire_cb = acquire;
		1484	}
		1485	#endif
		1486
		1487	/* initialise a loop structure, must be zero-initialised */
1318	static void noinline	1488	static void noinline
1319	loop_init (EV_P_ unsigned int flags)	1489	loop_init (EV_P_ unsigned int flags)
1320	{	1490	{
1321	if (!backend)	1491	if (!backend)
1322	{	1492	{
		1493	#if EV_USE_REALTIME
		1494	if (!have_realtime)
		1495	{
		1496	struct timespec ts;
		1497
		1498	if (!clock_gettime (CLOCK_REALTIME, &ts))
		1499	have_realtime = 1;
		1500	}
		1501	#endif
		1502
1323	#if EV_USE_MONOTONIC	1503	#if EV_USE_MONOTONIC
		1504	if (!have_monotonic)
1324	{	1505	{
1325	struct timespec ts;	1506	struct timespec ts;
		1507
1326	if (!clock_gettime (CLOCK_MONOTONIC, &ts))	1508	if (!clock_gettime (CLOCK_MONOTONIC, &ts))
1327	have_monotonic = 1;	1509	have_monotonic = 1;
1328	}	1510	}
1329	#endif	1511	#endif
1330		1512
1331	ev_rt_now = ev_time ();	1513	ev_rt_now = ev_time ();
1332	mn_now = get_clock ();	1514	mn_now = get_clock ();
1333	now_floor = mn_now;	1515	now_floor = mn_now;
1334	rtmn_diff = ev_rt_now - mn_now;	1516	rtmn_diff = ev_rt_now - mn_now;
		1517	#if EV_MINIMAL < 2
		1518	invoke_cb = ev_invoke_pending;
		1519	#endif
1335		1520
1336	io_blocktime = 0.;	1521	io_blocktime = 0.;
1337	timeout_blocktime = 0.;	1522	timeout_blocktime = 0.;
1338	backend = 0;	1523	backend = 0;
1339	backend_fd = -1;	1524	backend_fd = -1;
1340	gotasync = 0;	1525	gotasync = 0;
1341	#if EV_USE_INOTIFY	1526	#if EV_USE_INOTIFY
1342	fs_fd = -2;	1527	fs_fd = -2;
1343	#endif	1528	#endif
		1529	#if EV_USE_SIGNALFD
		1530	sigfd = -2;
		1531	#endif
1344		1532
1345	/* pid check not overridable via env */	1533	/* pid check not overridable via env */
1346	#ifndef _WIN32	1534	#ifndef _WIN32
1347	if (flags & EVFLAG_FORKCHECK)	1535	if (flags & EVFLAG_FORKCHECK)
1348	curpid = getpid ();	1536	curpid = getpid ();
…		…
1370	#endif	1558	#endif
1371	#if EV_USE_SELECT	1559	#if EV_USE_SELECT
1372	if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags);	1560	if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags);
1373	#endif	1561	#endif
1374		1562
		1563	ev_prepare_init (&pending_w, pendingcb);
		1564
1375	ev_init (&pipeev, pipecb);	1565	ev_init (&pipe_w, pipecb);
1376	ev_set_priority (&pipeev, EV_MAXPRI);	1566	ev_set_priority (&pipe_w, EV_MAXPRI);
1377	}	1567	}
1378	}	1568	}
1379		1569
		1570	/* free up a loop structure */
1380	static void noinline	1571	static void noinline
1381	loop_destroy (EV_P)	1572	loop_destroy (EV_P)
1382	{	1573	{
1383	int i;	1574	int i;
1384		1575
1385	if (ev_is_active (&pipeev))	1576	if (ev_is_active (&pipe_w))
1386	{	1577	{
1387	ev_ref (EV_A); /* signal watcher */	1578	/*ev_ref (EV_A);*/
1388	ev_io_stop (EV_A_ &pipeev);	1579	/*ev_io_stop (EV_A_ &pipe_w);*/
1389		1580
1390	#if EV_USE_EVENTFD	1581	#if EV_USE_EVENTFD
1391	if (evfd >= 0)	1582	if (evfd >= 0)
1392	close (evfd);	1583	close (evfd);
1393	#endif	1584	#endif
…		…
1397	close (evpipe [0]);	1588	close (evpipe [0]);
1398	close (evpipe [1]);	1589	close (evpipe [1]);
1399	}	1590	}
1400	}	1591	}
1401		1592
		1593	#if EV_USE_SIGNALFD
		1594	if (ev_is_active (&sigfd_w))
		1595	{
		1596	/*ev_ref (EV_A);*/
		1597	/*ev_io_stop (EV_A_ &sigfd_w);*/
		1598
		1599	close (sigfd);
		1600	}
		1601	#endif
		1602
1402	#if EV_USE_INOTIFY	1603	#if EV_USE_INOTIFY
1403	if (fs_fd >= 0)	1604	if (fs_fd >= 0)
1404	close (fs_fd);	1605	close (fs_fd);
1405	#endif	1606	#endif
1406		1607
…		…
1432	}	1633	}
1433		1634
1434	ev_free (anfds); anfdmax = 0;	1635	ev_free (anfds); anfdmax = 0;
1435		1636
1436	/* have to use the microsoft-never-gets-it-right macro */	1637	/* have to use the microsoft-never-gets-it-right macro */
		1638	array_free (rfeed, EMPTY);
1437	array_free (fdchange, EMPTY);	1639	array_free (fdchange, EMPTY);
1438	array_free (timer, EMPTY);	1640	array_free (timer, EMPTY);
1439	#if EV_PERIODIC_ENABLE	1641	#if EV_PERIODIC_ENABLE
1440	array_free (periodic, EMPTY);	1642	array_free (periodic, EMPTY);
1441	#endif	1643	#endif
…		…
1450		1652
1451	backend = 0;	1653	backend = 0;
1452	}	1654	}
1453		1655
1454	#if EV_USE_INOTIFY	1656	#if EV_USE_INOTIFY
1455	void inline_size infy_fork (EV_P);	1657	inline_size void infy_fork (EV_P);
1456	#endif	1658	#endif
1457		1659
1458	void inline_size	1660	inline_size void
1459	loop_fork (EV_P)	1661	loop_fork (EV_P)
1460	{	1662	{
1461	#if EV_USE_PORT	1663	#if EV_USE_PORT
1462	if (backend == EVBACKEND_PORT ) port_fork (EV_A);	1664	if (backend == EVBACKEND_PORT ) port_fork (EV_A);
1463	#endif	1665	#endif
…		…
1469	#endif	1671	#endif
1470	#if EV_USE_INOTIFY	1672	#if EV_USE_INOTIFY
1471	infy_fork (EV_A);	1673	infy_fork (EV_A);
1472	#endif	1674	#endif
1473		1675
1474	if (ev_is_active (&pipeev))	1676	if (ev_is_active (&pipe_w))
1475	{	1677	{
1476	/* this "locks" the handlers against writing to the pipe */	1678	/* this "locks" the handlers against writing to the pipe */
1477	/* while we modify the fd vars */	1679	/* while we modify the fd vars */
1478	gotsig = 1;	1680	gotsig = 1;
1479	#if EV_ASYNC_ENABLE	1681	#if EV_ASYNC_ENABLE
1480	gotasync = 1;	1682	gotasync = 1;
1481	#endif	1683	#endif
1482		1684
1483	ev_ref (EV_A);	1685	ev_ref (EV_A);
1484	ev_io_stop (EV_A_ &pipeev);	1686	ev_io_stop (EV_A_ &pipe_w);
1485		1687
1486	#if EV_USE_EVENTFD	1688	#if EV_USE_EVENTFD
1487	if (evfd >= 0)	1689	if (evfd >= 0)
1488	close (evfd);	1690	close (evfd);
1489	#endif	1691	#endif
…		…
1494	close (evpipe [1]);	1696	close (evpipe [1]);
1495	}	1697	}
1496		1698
1497	evpipe_init (EV_A);	1699	evpipe_init (EV_A);
1498	/* now iterate over everything, in case we missed something */	1700	/* now iterate over everything, in case we missed something */
1499	pipecb (EV_A_ &pipeev, EV_READ);	1701	pipecb (EV_A_ &pipe_w, EV_READ);
1500	}	1702	}
1501		1703
1502	postfork = 0;	1704	postfork = 0;
1503	}	1705	}
1504		1706
…		…
1508	ev_loop_new (unsigned int flags)	1710	ev_loop_new (unsigned int flags)
1509	{	1711	{
1510	struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));	1712	struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
1511		1713
1512	memset (loop, 0, sizeof (struct ev_loop));	1714	memset (loop, 0, sizeof (struct ev_loop));
1513
1514	loop_init (EV_A_ flags);	1715	loop_init (EV_A_ flags);
1515		1716
1516	if (ev_backend (EV_A))	1717	if (ev_backend (EV_A))
1517	return loop;	1718	return loop;
1518		1719
…		…
1529	void	1730	void
1530	ev_loop_fork (EV_P)	1731	ev_loop_fork (EV_P)
1531	{	1732	{
1532	postfork = 1; /* must be in line with ev_default_fork */	1733	postfork = 1; /* must be in line with ev_default_fork */
1533	}	1734	}
		1735	#endif /* multiplicity */
1534		1736
1535	#if EV_VERIFY	1737	#if EV_VERIFY
1536	static void noinline	1738	static void noinline
1537	verify_watcher (EV_P_ W w)	1739	verify_watcher (EV_P_ W w)
1538	{	1740	{
1539	assert (("watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI));	1741	assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI));
1540		1742
1541	if (w->pending)	1743	if (w->pending)
1542	assert (("pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w));	1744	assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w));
1543	}	1745	}
1544		1746
1545	static void noinline	1747	static void noinline
1546	verify_heap (EV_P_ ANHE *heap, int N)	1748	verify_heap (EV_P_ ANHE *heap, int N)
1547	{	1749	{
1548	int i;	1750	int i;
1549		1751
1550	for (i = HEAP0; i < N + HEAP0; ++i)	1752	for (i = HEAP0; i < N + HEAP0; ++i)
1551	{	1753	{
1552	assert (("active index mismatch in heap", ev_active (ANHE_w (heap [i])) == i));	1754	assert (("libev: active index mismatch in heap", ev_active (ANHE_w (heap [i])) == i));
1553	assert (("heap condition violated", i == HEAP0 || ANHE_at (heap [HPARENT (i)]) <= ANHE_at (heap [i])));	1755	assert (("libev: heap condition violated", i == HEAP0 || ANHE_at (heap [HPARENT (i)]) <= ANHE_at (heap [i])));
1554	assert (("heap at cache mismatch", ANHE_at (heap [i]) == ev_at (ANHE_w (heap [i]))));	1756	assert (("libev: heap at cache mismatch", ANHE_at (heap [i]) == ev_at (ANHE_w (heap [i]))));
1555		1757
1556	verify_watcher (EV_A_ (W)ANHE_w (heap [i]));	1758	verify_watcher (EV_A_ (W)ANHE_w (heap [i]));
1557	}	1759	}
1558	}	1760	}
1559		1761
1560	static void noinline	1762	static void noinline
1561	array_verify (EV_P_ W *ws, int cnt)	1763	array_verify (EV_P_ W *ws, int cnt)
1562	{	1764	{
1563	while (cnt--)	1765	while (cnt--)
1564	{	1766	{
1565	assert (("active index mismatch", ev_active (ws [cnt]) == cnt + 1));	1767	assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1));
1566	verify_watcher (EV_A_ ws [cnt]);	1768	verify_watcher (EV_A_ ws [cnt]);
1567	}	1769	}
1568	}	1770	}
1569	#endif	1771	#endif
1570		1772
		1773	#if EV_MINIMAL < 2
1571	void	1774	void
1572	ev_loop_verify (EV_P)	1775	ev_loop_verify (EV_P)
1573	{	1776	{
1574	#if EV_VERIFY	1777	#if EV_VERIFY
1575	int i;	1778	int i;
…		…
1577		1780
1578	assert (activecnt >= -1);	1781	assert (activecnt >= -1);
1579		1782
1580	assert (fdchangemax >= fdchangecnt);	1783	assert (fdchangemax >= fdchangecnt);
1581	for (i = 0; i < fdchangecnt; ++i)	1784	for (i = 0; i < fdchangecnt; ++i)
1582	assert (("negative fd in fdchanges", fdchanges [i] >= 0));	1785	assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));
1583		1786
1584	assert (anfdmax >= 0);	1787	assert (anfdmax >= 0);
1585	for (i = 0; i < anfdmax; ++i)	1788	for (i = 0; i < anfdmax; ++i)
1586	for (w = anfds [i].head; w; w = w->next)	1789	for (w = anfds [i].head; w; w = w->next)
1587	{	1790	{
1588	verify_watcher (EV_A_ (W)w);	1791	verify_watcher (EV_A_ (W)w);
1589	assert (("inactive fd watcher on anfd list", ev_active (w) == 1));	1792	assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1));
1590	assert (("fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i));	1793	assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i));
1591	}	1794	}
1592		1795
1593	assert (timermax >= timercnt);	1796	assert (timermax >= timercnt);
1594	verify_heap (EV_A_ timers, timercnt);	1797	verify_heap (EV_A_ timers, timercnt);
1595		1798
…		…
1628	for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next)	1831	for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next)
1629	for (signum = signalmax; signum--; ) if (signals [signum].gotsig)	1832	for (signum = signalmax; signum--; ) if (signals [signum].gotsig)
1630	# endif	1833	# endif
1631	#endif	1834	#endif
1632	}	1835	}
1633		1836	#endif
1634	#endif /* multiplicity */
1635		1837
1636	#if EV_MULTIPLICITY	1838	#if EV_MULTIPLICITY
1637	struct ev_loop *	1839	struct ev_loop *
1638	ev_default_loop_init (unsigned int flags)	1840	ev_default_loop_init (unsigned int flags)
1639	#else	1841	#else
…		…
1700	ev_invoke (EV_P_ void *w, int revents)	1902	ev_invoke (EV_P_ void *w, int revents)
1701	{	1903	{
1702	EV_CB_INVOKE ((W)w, revents);	1904	EV_CB_INVOKE ((W)w, revents);
1703	}	1905	}
1704		1906
1705	void inline_speed	1907	unsigned int
1706	call_pending (EV_P)	1908	ev_pending_count (EV_P)
		1909	{
		1910	int pri;
		1911	unsigned int count = 0;
		1912
		1913	for (pri = NUMPRI; pri--; )
		1914	count += pendingcnt [pri];
		1915
		1916	return count;
		1917	}
		1918
		1919	void noinline
		1920	ev_invoke_pending (EV_P)
1707	{	1921	{
1708	int pri;	1922	int pri;
1709		1923
1710	for (pri = NUMPRI; pri--; )	1924	for (pri = NUMPRI; pri--; )
1711	while (pendingcnt [pri])	1925	while (pendingcnt [pri])
1712	{	1926	{
1713	ANPENDING *p = pendings [pri] + --pendingcnt [pri];	1927	ANPENDING *p = pendings [pri] + --pendingcnt [pri];
1714		1928
1715	if (expect_true (p->w))
1716	{
1717	/*assert (("non-pending watcher on pending list", p->w->pending));*/	1929	/*assert (("libev: non-pending watcher on pending list", p->w->pending));*/
		1930	/* ^ this is no longer true, as pending_w could be here */
1718		1931
1719	p->w->pending = 0;	1932	p->w->pending = 0;
1720	EV_CB_INVOKE (p->w, p->events);	1933	EV_CB_INVOKE (p->w, p->events);
1721	EV_FREQUENT_CHECK;	1934	EV_FREQUENT_CHECK;
1722	}
1723	}	1935	}
1724	}	1936	}
1725		1937
1726	#if EV_IDLE_ENABLE	1938	#if EV_IDLE_ENABLE
1727	void inline_size	1939	/* make idle watchers pending. this handles the "call-idle */
		1940	/* only when higher priorities are idle" logic */
		1941	inline_size void
1728	idle_reify (EV_P)	1942	idle_reify (EV_P)
1729	{	1943	{
1730	if (expect_false (idleall))	1944	if (expect_false (idleall))
1731	{	1945	{
1732	int pri;	1946	int pri;
…		…
1744	}	1958	}
1745	}	1959	}
1746	}	1960	}
1747	#endif	1961	#endif
1748		1962
1749	void inline_size	1963	/* make timers pending */
		1964	inline_size void
1750	timers_reify (EV_P)	1965	timers_reify (EV_P)
1751	{	1966	{
1752	EV_FREQUENT_CHECK;	1967	EV_FREQUENT_CHECK;
1753		1968
1754	while (timercnt && ANHE_at (timers [HEAP0]) < mn_now)	1969	if (timercnt && ANHE_at (timers [HEAP0]) < mn_now)
1755	{	1970	{
1756	ev_timer *w = (ev_timer *)ANHE_w (timers [HEAP0]);	1971	do
1757
1758	/*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/
1759
1760	/* first reschedule or stop timer */
1761	if (w->repeat)
1762	{	1972	{
		1973	ev_timer *w = (ev_timer *)ANHE_w (timers [HEAP0]);
		1974
		1975	/*assert (("libev: inactive timer on timer heap detected", ev_is_active (w)));*/
		1976
		1977	/* first reschedule or stop timer */
		1978	if (w->repeat)
		1979	{
1763	ev_at (w) += w->repeat;	1980	ev_at (w) += w->repeat;
1764	if (ev_at (w) < mn_now)	1981	if (ev_at (w) < mn_now)
1765	ev_at (w) = mn_now;	1982	ev_at (w) = mn_now;
1766		1983
1767	assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));	1984	assert (("libev: negative ev_timer repeat value found while processing timers", w->repeat > 0.));
1768		1985
1769	ANHE_at_cache (timers [HEAP0]);	1986	ANHE_at_cache (timers [HEAP0]);
1770	downheap (timers, timercnt, HEAP0);	1987	downheap (timers, timercnt, HEAP0);
		1988	}
		1989	else
		1990	ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */
		1991
		1992	EV_FREQUENT_CHECK;
		1993	feed_reverse (EV_A_ (W)w);
1771	}	1994	}
1772	else	1995	while (timercnt && ANHE_at (timers [HEAP0]) < mn_now);
1773	ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */
1774		1996
1775	EV_FREQUENT_CHECK;
1776	ev_feed_event (EV_A_ (W)w, EV_TIMEOUT);	1997	feed_reverse_done (EV_A_ EV_TIMEOUT);
1777	}	1998	}
1778	}	1999	}
1779		2000
1780	#if EV_PERIODIC_ENABLE	2001	#if EV_PERIODIC_ENABLE
1781	void inline_size	2002	/* make periodics pending */
		2003	inline_size void
1782	periodics_reify (EV_P)	2004	periodics_reify (EV_P)
1783	{	2005	{
1784	EV_FREQUENT_CHECK;	2006	EV_FREQUENT_CHECK;
1785		2007
1786	while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)	2008	while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)
1787	{	2009	{
1788	ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]);	2010	int feed_count = 0;
1789		2011
1790	/*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/	2012	do
1791
1792	/* first reschedule or stop timer */
1793	if (w->reschedule_cb)
1794	{	2013	{
		2014	ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]);
		2015
		2016	/*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/
		2017
		2018	/* first reschedule or stop timer */
		2019	if (w->reschedule_cb)
		2020	{
1795	ev_at (w) = w->reschedule_cb (w, ev_rt_now);	2021	ev_at (w) = w->reschedule_cb (w, ev_rt_now);
1796		2022
1797	assert (("ev_periodic reschedule callback returned time in the past", ev_at (w) >= ev_rt_now));	2023	assert (("libev: ev_periodic reschedule callback returned time in the past", ev_at (w) >= ev_rt_now));
1798		2024
1799	ANHE_at_cache (periodics [HEAP0]);	2025	ANHE_at_cache (periodics [HEAP0]);
1800	downheap (periodics, periodiccnt, HEAP0);	2026	downheap (periodics, periodiccnt, HEAP0);
		2027	}
		2028	else if (w->interval)
		2029	{
		2030	ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
		2031	/* if next trigger time is not sufficiently in the future, put it there */
		2032	/* this might happen because of floating point inexactness */
		2033	if (ev_at (w) - ev_rt_now < TIME_EPSILON)
		2034	{
		2035	ev_at (w) += w->interval;
		2036
		2037	/* if interval is unreasonably low we might still have a time in the past */
		2038	/* so correct this. this will make the periodic very inexact, but the user */
		2039	/* has effectively asked to get triggered more often than possible */
		2040	if (ev_at (w) < ev_rt_now)
		2041	ev_at (w) = ev_rt_now;
		2042	}
		2043
		2044	ANHE_at_cache (periodics [HEAP0]);
		2045	downheap (periodics, periodiccnt, HEAP0);
		2046	}
		2047	else
		2048	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */
		2049
		2050	EV_FREQUENT_CHECK;
		2051	feed_reverse (EV_A_ (W)w);
1801	}	2052	}
1802	else if (w->interval)	2053	while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now);
1803	{
1804	ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
1805	/* if next trigger time is not sufficiently in the future, put it there */
1806	/* this might happen because of floating point inexactness */
1807	if (ev_at (w) - ev_rt_now < TIME_EPSILON)
1808	{
1809	ev_at (w) += w->interval;
1810		2054
1811	/* if interval is unreasonably low we might still have a time in the past */
1812	/* so correct this. this will make the periodic very inexact, but the user */
1813	/* has effectively asked to get triggered more often than possible */
1814	if (ev_at (w) < ev_rt_now)
1815	ev_at (w) = ev_rt_now;
1816	}
1817
1818	ANHE_at_cache (periodics [HEAP0]);
1819	downheap (periodics, periodiccnt, HEAP0);
1820	}
1821	else
1822	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */
1823
1824	EV_FREQUENT_CHECK;
1825	ev_feed_event (EV_A_ (W)w, EV_PERIODIC);	2055	feed_reverse_done (EV_A_ EV_PERIODIC);
1826	}	2056	}
1827	}	2057	}
1828		2058
		2059	/* simply recalculate all periodics */
		2060	/* TODO: maybe ensure that at leats one event happens when jumping forward? */
1829	static void noinline	2061	static void noinline
1830	periodics_reschedule (EV_P)	2062	periodics_reschedule (EV_P)
1831	{	2063	{
1832	int i;	2064	int i;
1833		2065
…		…
1846		2078
1847	reheap (periodics, periodiccnt);	2079	reheap (periodics, periodiccnt);
1848	}	2080	}
1849	#endif	2081	#endif
1850		2082
1851	void inline_speed	2083	/* adjust all timers by a given offset */
		2084	static void noinline
		2085	timers_reschedule (EV_P_ ev_tstamp adjust)
		2086	{
		2087	int i;
		2088
		2089	for (i = 0; i < timercnt; ++i)
		2090	{
		2091	ANHE *he = timers + i + HEAP0;
		2092	ANHE_w (*he)->at += adjust;
		2093	ANHE_at_cache (*he);
		2094	}
		2095	}
		2096
		2097	/* fetch new monotonic and realtime times from the kernel */
		2098	/* also detetc if there was a timejump, and act accordingly */
		2099	inline_speed void
1852	time_update (EV_P_ ev_tstamp max_block)	2100	time_update (EV_P_ ev_tstamp max_block)
1853	{	2101	{
1854	int i;
1855
1856	#if EV_USE_MONOTONIC	2102	#if EV_USE_MONOTONIC
1857	if (expect_true (have_monotonic))	2103	if (expect_true (have_monotonic))
1858	{	2104	{
		2105	int i;
1859	ev_tstamp odiff = rtmn_diff;	2106	ev_tstamp odiff = rtmn_diff;
1860		2107
1861	mn_now = get_clock ();	2108	mn_now = get_clock ();
1862		2109
1863	/* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */	2110	/* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */
…		…
1889	ev_rt_now = ev_time ();	2136	ev_rt_now = ev_time ();
1890	mn_now = get_clock ();	2137	mn_now = get_clock ();
1891	now_floor = mn_now;	2138	now_floor = mn_now;
1892	}	2139	}
1893		2140
		2141	/* no timer adjustment, as the monotonic clock doesn't jump */
		2142	/* timers_reschedule (EV_A_ rtmn_diff - odiff) */
1894	# if EV_PERIODIC_ENABLE	2143	# if EV_PERIODIC_ENABLE
1895	periodics_reschedule (EV_A);	2144	periodics_reschedule (EV_A);
1896	# endif	2145	# endif
1897	/* no timer adjustment, as the monotonic clock doesn't jump */
1898	/* timers_reschedule (EV_A_ rtmn_diff - odiff) */
1899	}	2146	}
1900	else	2147	else
1901	#endif	2148	#endif
1902	{	2149	{
1903	ev_rt_now = ev_time ();	2150	ev_rt_now = ev_time ();
1904		2151
1905	if (expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP))	2152	if (expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP))
1906	{	2153	{
		2154	/* adjust timers. this is easy, as the offset is the same for all of them */
		2155	timers_reschedule (EV_A_ ev_rt_now - mn_now);
1907	#if EV_PERIODIC_ENABLE	2156	#if EV_PERIODIC_ENABLE
1908	periodics_reschedule (EV_A);	2157	periodics_reschedule (EV_A);
1909	#endif	2158	#endif
1910	/* adjust timers. this is easy, as the offset is the same for all of them */
1911	for (i = 0; i < timercnt; ++i)
1912	{
1913	ANHE *he = timers + i + HEAP0;
1914	ANHE_w (*he)->at += ev_rt_now - mn_now;
1915	ANHE_at_cache (*he);
1916	}
1917	}	2159	}
1918		2160
1919	mn_now = ev_rt_now;	2161	mn_now = ev_rt_now;
1920	}	2162	}
1921	}	2163	}
1922		2164
1923	void	2165	void
1924	ev_ref (EV_P)
1925	{
1926	++activecnt;
1927	}
1928
1929	void
1930	ev_unref (EV_P)
1931	{
1932	--activecnt;
1933	}
1934
1935	void
1936	ev_now_update (EV_P)
1937	{
1938	time_update (EV_A_ 1e100);
1939	}
1940
1941	static int loop_done;
1942
1943	void
1944	ev_loop (EV_P_ int flags)	2166	ev_loop (EV_P_ int flags)
1945	{	2167	{
		2168	#if EV_MINIMAL < 2
		2169	++loop_depth;
		2170	#endif
		2171
		2172	assert (("libev: ev_loop recursion during release detected", loop_done != EVUNLOOP_RECURSE));
		2173
1946	loop_done = EVUNLOOP_CANCEL;	2174	loop_done = EVUNLOOP_CANCEL;
1947		2175
1948	call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */	2176	EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */
1949		2177
1950	do	2178	do
1951	{	2179	{
1952	#if EV_VERIFY >= 2	2180	#if EV_VERIFY >= 2
1953	ev_loop_verify (EV_A);	2181	ev_loop_verify (EV_A);
…		…
1966	/* we might have forked, so queue fork handlers */	2194	/* we might have forked, so queue fork handlers */
1967	if (expect_false (postfork))	2195	if (expect_false (postfork))
1968	if (forkcnt)	2196	if (forkcnt)
1969	{	2197	{
1970	queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);	2198	queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);
1971	call_pending (EV_A);	2199	EV_INVOKE_PENDING;
1972	}	2200	}
1973	#endif	2201	#endif
1974		2202
1975	/* queue prepare watchers (and execute them) */	2203	/* queue prepare watchers (and execute them) */
1976	if (expect_false (preparecnt))	2204	if (expect_false (preparecnt))
1977	{	2205	{
1978	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);	2206	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
1979	call_pending (EV_A);	2207	EV_INVOKE_PENDING;
1980	}	2208	}
1981		2209
1982	if (expect_false (!activecnt))	2210	if (expect_false (loop_done))
1983	break;	2211	break;
1984		2212
1985	/* we might have forked, so reify kernel state if necessary */	2213	/* we might have forked, so reify kernel state if necessary */
1986	if (expect_false (postfork))	2214	if (expect_false (postfork))
1987	loop_fork (EV_A);	2215	loop_fork (EV_A);
…		…
1994	ev_tstamp waittime = 0.;	2222	ev_tstamp waittime = 0.;
1995	ev_tstamp sleeptime = 0.;	2223	ev_tstamp sleeptime = 0.;
1996		2224
1997	if (expect_true (!(flags & EVLOOP_NONBLOCK || idleall || !activecnt)))	2225	if (expect_true (!(flags & EVLOOP_NONBLOCK || idleall || !activecnt)))
1998	{	2226	{
		2227	/* remember old timestamp for io_blocktime calculation */
		2228	ev_tstamp prev_mn_now = mn_now;
		2229
1999	/* update time to cancel out callback processing overhead */	2230	/* update time to cancel out callback processing overhead */
2000	time_update (EV_A_ 1e100);	2231	time_update (EV_A_ 1e100);
2001		2232
2002	waittime = MAX_BLOCKTIME;	2233	waittime = MAX_BLOCKTIME;
2003		2234
…		…
2013	ev_tstamp to = ANHE_at (periodics [HEAP0]) - ev_rt_now + backend_fudge;	2244	ev_tstamp to = ANHE_at (periodics [HEAP0]) - ev_rt_now + backend_fudge;
2014	if (waittime > to) waittime = to;	2245	if (waittime > to) waittime = to;
2015	}	2246	}
2016	#endif	2247	#endif
2017		2248
		2249	/* don't let timeouts decrease the waittime below timeout_blocktime */
2018	if (expect_false (waittime < timeout_blocktime))	2250	if (expect_false (waittime < timeout_blocktime))
2019	waittime = timeout_blocktime;	2251	waittime = timeout_blocktime;
2020		2252
2021	sleeptime = waittime - backend_fudge;	2253	/* extra check because io_blocktime is commonly 0 */
2022
2023	if (expect_true (sleeptime > io_blocktime))	2254	if (expect_false (io_blocktime))
2024	sleeptime = io_blocktime;
2025
2026	if (sleeptime)
2027	{	2255	{
		2256	sleeptime = io_blocktime - (mn_now - prev_mn_now);
		2257
		2258	if (sleeptime > waittime - backend_fudge)
		2259	sleeptime = waittime - backend_fudge;
		2260
		2261	if (expect_true (sleeptime > 0.))
		2262	{
2028	ev_sleep (sleeptime);	2263	ev_sleep (sleeptime);
2029	waittime -= sleeptime;	2264	waittime -= sleeptime;
		2265	}
2030	}	2266	}
2031	}	2267	}
2032		2268
		2269	#if EV_MINIMAL < 2
2033	++loop_count;	2270	++loop_count;
		2271	#endif
		2272	assert ((loop_done = EVUNLOOP_RECURSE, 1)); /* assert for side effect */
2034	backend_poll (EV_A_ waittime);	2273	backend_poll (EV_A_ waittime);
		2274	assert ((loop_done = EVUNLOOP_CANCEL, 1)); /* assert for side effect */
2035		2275
2036	/* update ev_rt_now, do magic */	2276	/* update ev_rt_now, do magic */
2037	time_update (EV_A_ waittime + sleeptime);	2277	time_update (EV_A_ waittime + sleeptime);
2038	}	2278	}
2039		2279
…		…
2050		2290
2051	/* queue check watchers, to be executed first */	2291	/* queue check watchers, to be executed first */
2052	if (expect_false (checkcnt))	2292	if (expect_false (checkcnt))
2053	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);	2293	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
2054		2294
2055	call_pending (EV_A);	2295	EV_INVOKE_PENDING;
2056	}	2296	}
2057	while (expect_true (	2297	while (expect_true (
2058	activecnt	2298	activecnt
2059	&& !loop_done	2299	&& !loop_done
2060	&& !(flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK))	2300	&& !(flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK))
2061	));	2301	));
2062		2302
2063	if (loop_done == EVUNLOOP_ONE)	2303	if (loop_done == EVUNLOOP_ONE)
2064	loop_done = EVUNLOOP_CANCEL;	2304	loop_done = EVUNLOOP_CANCEL;
		2305
		2306	#if EV_MINIMAL < 2
		2307	--loop_depth;
		2308	#endif
2065	}	2309	}
2066		2310
2067	void	2311	void
2068	ev_unloop (EV_P_ int how)	2312	ev_unloop (EV_P_ int how)
2069	{	2313	{
2070	loop_done = how;	2314	loop_done = how;
2071	}	2315	}
2072		2316
		2317	void
		2318	ev_ref (EV_P)
		2319	{
		2320	++activecnt;
		2321	}
		2322
		2323	void
		2324	ev_unref (EV_P)
		2325	{
		2326	--activecnt;
		2327	}
		2328
		2329	void
		2330	ev_now_update (EV_P)
		2331	{
		2332	time_update (EV_A_ 1e100);
		2333	}
		2334
		2335	void
		2336	ev_suspend (EV_P)
		2337	{
		2338	ev_now_update (EV_A);
		2339	}
		2340
		2341	void
		2342	ev_resume (EV_P)
		2343	{
		2344	ev_tstamp mn_prev = mn_now;
		2345
		2346	ev_now_update (EV_A);
		2347	timers_reschedule (EV_A_ mn_now - mn_prev);
		2348	#if EV_PERIODIC_ENABLE
		2349	/* TODO: really do this? */
		2350	periodics_reschedule (EV_A);
		2351	#endif
		2352	}
		2353
2073	/*****************************************************************************/	2354	/*****************************************************************************/
		2355	/* singly-linked list management, used when the expected list length is short */
2074		2356
2075	void inline_size	2357	inline_size void
2076	wlist_add (WL *head, WL elem)	2358	wlist_add (WL *head, WL elem)
2077	{	2359	{
2078	elem->next = *head;	2360	elem->next = *head;
2079	*head = elem;	2361	*head = elem;
2080	}	2362	}
2081		2363
2082	void inline_size	2364	inline_size void
2083	wlist_del (WL *head, WL elem)	2365	wlist_del (WL *head, WL elem)
2084	{	2366	{
2085	while (*head)	2367	while (*head)
2086	{	2368	{
2087	if (*head == elem)	2369	if (*head == elem)
…		…
2092		2374
2093	head = &(*head)->next;	2375	head = &(*head)->next;
2094	}	2376	}
2095	}	2377	}
2096		2378
2097	void inline_speed	2379	/* internal, faster, version of ev_clear_pending */
		2380	inline_speed void
2098	clear_pending (EV_P_ W w)	2381	clear_pending (EV_P_ W w)
2099	{	2382	{
2100	if (w->pending)	2383	if (w->pending)
2101	{	2384	{
2102	pendings [ABSPRI (w)][w->pending - 1].w = 0;	2385	pendings [ABSPRI (w)][w->pending - 1].w = (W)&pending_w;
2103	w->pending = 0;	2386	w->pending = 0;
2104	}	2387	}
2105	}	2388	}
2106		2389
2107	int	2390	int
…		…
2111	int pending = w_->pending;	2394	int pending = w_->pending;
2112		2395
2113	if (expect_true (pending))	2396	if (expect_true (pending))
2114	{	2397	{
2115	ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1;	2398	ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1;
		2399	p->w = (W)&pending_w;
2116	w_->pending = 0;	2400	w_->pending = 0;
2117	p->w = 0;
2118	return p->events;	2401	return p->events;
2119	}	2402	}
2120	else	2403	else
2121	return 0;	2404	return 0;
2122	}	2405	}
2123		2406
2124	void inline_size	2407	inline_size void
2125	pri_adjust (EV_P_ W w)	2408	pri_adjust (EV_P_ W w)
2126	{	2409	{
2127	int pri = w->priority;	2410	int pri = ev_priority (w);
2128	pri = pri < EV_MINPRI ? EV_MINPRI : pri;	2411	pri = pri < EV_MINPRI ? EV_MINPRI : pri;
2129	pri = pri > EV_MAXPRI ? EV_MAXPRI : pri;	2412	pri = pri > EV_MAXPRI ? EV_MAXPRI : pri;
2130	w->priority = pri;	2413	ev_set_priority (w, pri);
2131	}	2414	}
2132		2415
2133	void inline_speed	2416	inline_speed void
2134	ev_start (EV_P_ W w, int active)	2417	ev_start (EV_P_ W w, int active)
2135	{	2418	{
2136	pri_adjust (EV_A_ w);	2419	pri_adjust (EV_A_ w);
2137	w->active = active;	2420	w->active = active;
2138	ev_ref (EV_A);	2421	ev_ref (EV_A);
2139	}	2422	}
2140		2423
2141	void inline_size	2424	inline_size void
2142	ev_stop (EV_P_ W w)	2425	ev_stop (EV_P_ W w)
2143	{	2426	{
2144	ev_unref (EV_A);	2427	ev_unref (EV_A);
2145	w->active = 0;	2428	w->active = 0;
2146	}	2429	}
…		…
2153	int fd = w->fd;	2436	int fd = w->fd;
2154		2437
2155	if (expect_false (ev_is_active (w)))	2438	if (expect_false (ev_is_active (w)))
2156	return;	2439	return;
2157		2440
2158	assert (("ev_io_start called with negative fd", fd >= 0));	2441	assert (("libev: ev_io_start called with negative fd", fd >= 0));
2159	assert (("ev_io start called with illegal event mask", !(w->events & ~(EV_IOFDSET | EV_READ | EV_WRITE))));	2442	assert (("libev: ev_io start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE))));
2160		2443
2161	EV_FREQUENT_CHECK;	2444	EV_FREQUENT_CHECK;
2162		2445
2163	ev_start (EV_A_ (W)w, 1);	2446	ev_start (EV_A_ (W)w, 1);
2164	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);	2447	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);
2165	wlist_add (&anfds[fd].head, (WL)w);	2448	wlist_add (&anfds[fd].head, (WL)w);
2166		2449
2167	fd_change (EV_A_ fd, w->events & EV_IOFDSET | 1);	2450	fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY);
2168	w->events &= ~EV_IOFDSET;	2451	w->events &= ~EV__IOFDSET;
2169		2452
2170	EV_FREQUENT_CHECK;	2453	EV_FREQUENT_CHECK;
2171	}	2454	}
2172		2455
2173	void noinline	2456	void noinline
…		…
2175	{	2458	{
2176	clear_pending (EV_A_ (W)w);	2459	clear_pending (EV_A_ (W)w);
2177	if (expect_false (!ev_is_active (w)))	2460	if (expect_false (!ev_is_active (w)))
2178	return;	2461	return;
2179		2462
2180	assert (("ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));	2463	assert (("libev: ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));
2181		2464
2182	EV_FREQUENT_CHECK;	2465	EV_FREQUENT_CHECK;
2183		2466
2184	wlist_del (&anfds[w->fd].head, (WL)w);	2467	wlist_del (&anfds[w->fd].head, (WL)w);
2185	ev_stop (EV_A_ (W)w);	2468	ev_stop (EV_A_ (W)w);
…		…
2195	if (expect_false (ev_is_active (w)))	2478	if (expect_false (ev_is_active (w)))
2196	return;	2479	return;
2197		2480
2198	ev_at (w) += mn_now;	2481	ev_at (w) += mn_now;
2199		2482
2200	assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));	2483	assert (("libev: ev_timer_start called with negative timer repeat value", w->repeat >= 0.));
2201		2484
2202	EV_FREQUENT_CHECK;	2485	EV_FREQUENT_CHECK;
2203		2486
2204	++timercnt;	2487	++timercnt;
2205	ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1);	2488	ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1);
…		…
2208	ANHE_at_cache (timers [ev_active (w)]);	2491	ANHE_at_cache (timers [ev_active (w)]);
2209	upheap (timers, ev_active (w));	2492	upheap (timers, ev_active (w));
2210		2493
2211	EV_FREQUENT_CHECK;	2494	EV_FREQUENT_CHECK;
2212		2495
2213	/*assert (("internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/	2496	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
2214	}	2497	}
2215		2498
2216	void noinline	2499	void noinline
2217	ev_timer_stop (EV_P_ ev_timer *w)	2500	ev_timer_stop (EV_P_ ev_timer *w)
2218	{	2501	{
…		…
2223	EV_FREQUENT_CHECK;	2506	EV_FREQUENT_CHECK;
2224		2507
2225	{	2508	{
2226	int active = ev_active (w);	2509	int active = ev_active (w);
2227		2510
2228	assert (("internal timer heap corruption", ANHE_w (timers [active]) == (WT)w));	2511	assert (("libev: internal timer heap corruption", ANHE_w (timers [active]) == (WT)w));
2229		2512
2230	--timercnt;	2513	--timercnt;
2231		2514
2232	if (expect_true (active < timercnt + HEAP0))	2515	if (expect_true (active < timercnt + HEAP0))
2233	{	2516	{
…		…
2266	}	2549	}
2267		2550
2268	EV_FREQUENT_CHECK;	2551	EV_FREQUENT_CHECK;
2269	}	2552	}
2270		2553
		2554	ev_tstamp
		2555	ev_timer_remaining (EV_P_ ev_timer *w)
		2556	{
		2557	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
		2558	}
		2559
2271	#if EV_PERIODIC_ENABLE	2560	#if EV_PERIODIC_ENABLE
2272	void noinline	2561	void noinline
2273	ev_periodic_start (EV_P_ ev_periodic *w)	2562	ev_periodic_start (EV_P_ ev_periodic *w)
2274	{	2563	{
2275	if (expect_false (ev_is_active (w)))	2564	if (expect_false (ev_is_active (w)))
…		…
2277		2566
2278	if (w->reschedule_cb)	2567	if (w->reschedule_cb)
2279	ev_at (w) = w->reschedule_cb (w, ev_rt_now);	2568	ev_at (w) = w->reschedule_cb (w, ev_rt_now);
2280	else if (w->interval)	2569	else if (w->interval)
2281	{	2570	{
2282	assert (("ev_periodic_start called with negative interval value", w->interval >= 0.));	2571	assert (("libev: ev_periodic_start called with negative interval value", w->interval >= 0.));
2283	/* this formula differs from the one in periodic_reify because we do not always round up */	2572	/* this formula differs from the one in periodic_reify because we do not always round up */
2284	ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;	2573	ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
2285	}	2574	}
2286	else	2575	else
2287	ev_at (w) = w->offset;	2576	ev_at (w) = w->offset;
…		…
2295	ANHE_at_cache (periodics [ev_active (w)]);	2584	ANHE_at_cache (periodics [ev_active (w)]);
2296	upheap (periodics, ev_active (w));	2585	upheap (periodics, ev_active (w));
2297		2586
2298	EV_FREQUENT_CHECK;	2587	EV_FREQUENT_CHECK;
2299		2588
2300	/*assert (("internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/	2589	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
2301	}	2590	}
2302		2591
2303	void noinline	2592	void noinline
2304	ev_periodic_stop (EV_P_ ev_periodic *w)	2593	ev_periodic_stop (EV_P_ ev_periodic *w)
2305	{	2594	{
…		…
2310	EV_FREQUENT_CHECK;	2599	EV_FREQUENT_CHECK;
2311		2600
2312	{	2601	{
2313	int active = ev_active (w);	2602	int active = ev_active (w);
2314		2603
2315	assert (("internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w));	2604	assert (("libev: internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w));
2316		2605
2317	--periodiccnt;	2606	--periodiccnt;
2318		2607
2319	if (expect_true (active < periodiccnt + HEAP0))	2608	if (expect_true (active < periodiccnt + HEAP0))
2320	{	2609	{
…		…
2343		2632
2344	void noinline	2633	void noinline
2345	ev_signal_start (EV_P_ ev_signal *w)	2634	ev_signal_start (EV_P_ ev_signal *w)
2346	{	2635	{
2347	#if EV_MULTIPLICITY	2636	#if EV_MULTIPLICITY
2348	assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr));	2637	assert (("libev: signal watchers are only supported in the default loop", loop == ev_default_loop_ptr));
2349	#endif	2638	#endif
2350	if (expect_false (ev_is_active (w)))	2639	if (expect_false (ev_is_active (w)))
2351	return;	2640	return;
2352		2641
2353	assert (("ev_signal_start called with illegal signal number", w->signum > 0));	2642	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0));
2354		2643
		2644	EV_FREQUENT_CHECK;
		2645
		2646	#if EV_USE_SIGNALFD
		2647	if (sigfd == -2)
		2648	{
		2649	sigfd = signalfd (-1, &sigfd_set, SFD_NONBLOCK | SFD_CLOEXEC);
		2650	if (sigfd < 0 && errno == EINVAL)
		2651	sigfd = signalfd (-1, &sigfd_set, 0); /* retry without flags */
		2652
		2653	if (sigfd >= 0)
		2654	{
		2655	fd_intern (sigfd); /* doing it twice will not hurt */
		2656
		2657	sigemptyset (&sigfd_set);
		2658
		2659	ev_io_init (&sigfd_w, sigfdcb, sigfd, EV_READ);
		2660	ev_set_priority (&sigfd_w, EV_MAXPRI);
		2661	ev_io_start (EV_A_ &sigfd_w);
		2662	ev_unref (EV_A); /* signalfd watcher should not keep loop alive */
		2663	}
		2664	}
		2665
		2666	if (sigfd >= 0)
		2667	{
		2668	/* TODO: check .head */
		2669	sigaddset (&sigfd_set, w->signum);
		2670	sigprocmask (SIG_BLOCK, &sigfd_set, 0);
		2671
		2672	signalfd (sigfd, &sigfd_set, 0);
		2673	}
		2674	else
		2675	#endif
2355	evpipe_init (EV_A);	2676	evpipe_init (EV_A);
2356
2357	EV_FREQUENT_CHECK;
2358		2677
2359	{	2678	{
2360	#ifndef _WIN32	2679	#ifndef _WIN32
2361	sigset_t full, prev;	2680	sigset_t full, prev;
2362	sigfillset (&full);	2681	sigfillset (&full);
…		…
2364	#endif	2683	#endif
2365		2684
2366	array_needsize (ANSIG, signals, signalmax, w->signum, array_init_zero);	2685	array_needsize (ANSIG, signals, signalmax, w->signum, array_init_zero);
2367		2686
2368	#ifndef _WIN32	2687	#ifndef _WIN32
		2688	# if EV_USE_SIGNALFD
		2689	if (sigfd < 0)/*TODO*/
		2690	# endif
		2691	sigdelset (&prev, w->signum);
2369	sigprocmask (SIG_SETMASK, &prev, 0);	2692	sigprocmask (SIG_SETMASK, &prev, 0);
2370	#endif	2693	#endif
2371	}	2694	}
2372		2695
2373	ev_start (EV_A_ (W)w, 1);	2696	ev_start (EV_A_ (W)w, 1);
…		…
2376	if (!((WL)w)->next)	2699	if (!((WL)w)->next)
2377	{	2700	{
2378	#if _WIN32	2701	#if _WIN32
2379	signal (w->signum, ev_sighandler);	2702	signal (w->signum, ev_sighandler);
2380	#else	2703	#else
		2704	# if EV_USE_SIGNALFD
		2705	if (sigfd < 0) /*TODO*/
		2706	# endif
		2707	{
2381	struct sigaction sa;	2708	struct sigaction sa = { };
2382	sa.sa_handler = ev_sighandler;	2709	sa.sa_handler = ev_sighandler;
2383	sigfillset (&sa.sa_mask);	2710	sigfillset (&sa.sa_mask);
2384	sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */	2711	sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */
2385	sigaction (w->signum, &sa, 0);	2712	sigaction (w->signum, &sa, 0);
		2713	}
2386	#endif	2714	#endif
2387	}	2715	}
2388		2716
2389	EV_FREQUENT_CHECK;	2717	EV_FREQUENT_CHECK;
2390	}	2718	}
…		…
2400		2728
2401	wlist_del (&signals [w->signum - 1].head, (WL)w);	2729	wlist_del (&signals [w->signum - 1].head, (WL)w);
2402	ev_stop (EV_A_ (W)w);	2730	ev_stop (EV_A_ (W)w);
2403		2731
2404	if (!signals [w->signum - 1].head)	2732	if (!signals [w->signum - 1].head)
		2733	#if EV_USE_SIGNALFD
		2734	if (sigfd >= 0)
		2735	{
		2736	sigprocmask (SIG_UNBLOCK, &sigfd_set, 0);//D
		2737	sigdelset (&sigfd_set, w->signum);
		2738	signalfd (sigfd, &sigfd_set, 0);
		2739	sigprocmask (SIG_BLOCK, &sigfd_set, 0);//D
		2740	/*TODO: maybe unblock signal? */
		2741	}
		2742	else
		2743	#endif
2405	signal (w->signum, SIG_DFL);	2744	signal (w->signum, SIG_DFL);
2406		2745
2407	EV_FREQUENT_CHECK;	2746	EV_FREQUENT_CHECK;
2408	}	2747	}
2409		2748
2410	void	2749	void
2411	ev_child_start (EV_P_ ev_child *w)	2750	ev_child_start (EV_P_ ev_child *w)
2412	{	2751	{
2413	#if EV_MULTIPLICITY	2752	#if EV_MULTIPLICITY
2414	assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr));	2753	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
2415	#endif	2754	#endif
2416	if (expect_false (ev_is_active (w)))	2755	if (expect_false (ev_is_active (w)))
2417	return;	2756	return;
2418		2757
2419	EV_FREQUENT_CHECK;	2758	EV_FREQUENT_CHECK;
…		…
2571		2910
2572	for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len)	2911	for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len)
2573	infy_wd (EV_A_ ev->wd, ev->wd, ev);	2912	infy_wd (EV_A_ ev->wd, ev->wd, ev);
2574	}	2913	}
2575		2914
2576	void inline_size	2915	inline_size void
2577	check_2625 (EV_P)	2916	check_2625 (EV_P)
2578	{	2917	{
2579	/* kernels < 2.6.25 are borked	2918	/* kernels < 2.6.25 are borked
2580	* http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html	2919	* http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html
2581	*/	2920	*/
…		…
2594	return;	2933	return;
2595		2934
2596	fs_2625 = 1;	2935	fs_2625 = 1;
2597	}	2936	}
2598		2937
2599	void inline_size	2938	inline_size void
2600	infy_init (EV_P)	2939	infy_init (EV_P)
2601	{	2940	{
2602	if (fs_fd != -2)	2941	if (fs_fd != -2)
2603	return;	2942	return;
2604		2943
…		…
2614	ev_set_priority (&fs_w, EV_MAXPRI);	2953	ev_set_priority (&fs_w, EV_MAXPRI);
2615	ev_io_start (EV_A_ &fs_w);	2954	ev_io_start (EV_A_ &fs_w);
2616	}	2955	}
2617	}	2956	}
2618		2957
2619	void inline_size	2958	inline_size void
2620	infy_fork (EV_P)	2959	infy_fork (EV_P)
2621	{	2960	{
2622	int slot;	2961	int slot;
2623		2962
2624	if (fs_fd < 0)	2963	if (fs_fd < 0)
…		…
2933	if (expect_false (ev_is_active (w)))	3272	if (expect_false (ev_is_active (w)))
2934	return;	3273	return;
2935		3274
2936	{	3275	{
2937	struct ev_loop *loop = w->other;	3276	struct ev_loop *loop = w->other;
2938	assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ()));	3277	assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ()));
2939	ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ);	3278	ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ);
2940	}	3279	}
2941		3280
2942	EV_FREQUENT_CHECK;	3281	EV_FREQUENT_CHECK;
2943		3282
…		…
3126	ev_timer_set (&once->to, timeout, 0.);	3465	ev_timer_set (&once->to, timeout, 0.);
3127	ev_timer_start (EV_A_ &once->to);	3466	ev_timer_start (EV_A_ &once->to);
3128	}	3467	}
3129	}	3468	}
3130		3469
		3470	/*****************************************************************************/
		3471
		3472	#if EV_WALK_ENABLE
		3473	void
		3474	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w))
		3475	{
		3476	int i, j;
		3477	ev_watcher_list *wl, *wn;
		3478
		3479	if (types & (EV_IO | EV_EMBED))
		3480	for (i = 0; i < anfdmax; ++i)
		3481	for (wl = anfds [i].head; wl; )
		3482	{
		3483	wn = wl->next;
		3484
		3485	#if EV_EMBED_ENABLE
		3486	if (ev_cb ((ev_io *)wl) == embed_io_cb)
		3487	{
		3488	if (types & EV_EMBED)
		3489	cb (EV_A_ EV_EMBED, ((char *)wl) - offsetof (struct ev_embed, io));
		3490	}
		3491	else
		3492	#endif
		3493	#if EV_USE_INOTIFY
		3494	if (ev_cb ((ev_io *)wl) == infy_cb)
		3495	;
		3496	else
		3497	#endif
		3498	if ((ev_io *)wl != &pipe_w)
		3499	if (types & EV_IO)
		3500	cb (EV_A_ EV_IO, wl);
		3501
		3502	wl = wn;
		3503	}
		3504
		3505	if (types & (EV_TIMER | EV_STAT))
		3506	for (i = timercnt + HEAP0; i-- > HEAP0; )
		3507	#if EV_STAT_ENABLE
		3508	/*TODO: timer is not always active*/
		3509	if (ev_cb ((ev_timer *)ANHE_w (timers [i])) == stat_timer_cb)
		3510	{
		3511	if (types & EV_STAT)
		3512	cb (EV_A_ EV_STAT, ((char *)ANHE_w (timers [i])) - offsetof (struct ev_stat, timer));
		3513	}
		3514	else
		3515	#endif
		3516	if (types & EV_TIMER)
		3517	cb (EV_A_ EV_TIMER, ANHE_w (timers [i]));
		3518
		3519	#if EV_PERIODIC_ENABLE
		3520	if (types & EV_PERIODIC)
		3521	for (i = periodiccnt + HEAP0; i-- > HEAP0; )
		3522	cb (EV_A_ EV_PERIODIC, ANHE_w (periodics [i]));
		3523	#endif
		3524
		3525	#if EV_IDLE_ENABLE
		3526	if (types & EV_IDLE)
		3527	for (j = NUMPRI; i--; )
		3528	for (i = idlecnt [j]; i--; )
		3529	cb (EV_A_ EV_IDLE, idles [j][i]);
		3530	#endif
		3531
		3532	#if EV_FORK_ENABLE
		3533	if (types & EV_FORK)
		3534	for (i = forkcnt; i--; )
		3535	if (ev_cb (forks [i]) != embed_fork_cb)
		3536	cb (EV_A_ EV_FORK, forks [i]);
		3537	#endif
		3538
		3539	#if EV_ASYNC_ENABLE
		3540	if (types & EV_ASYNC)
		3541	for (i = asynccnt; i--; )
		3542	cb (EV_A_ EV_ASYNC, asyncs [i]);
		3543	#endif
		3544
		3545	if (types & EV_PREPARE)
		3546	for (i = preparecnt; i--; )
		3547	#if EV_EMBED_ENABLE
		3548	if (ev_cb (prepares [i]) != embed_prepare_cb)
		3549	#endif
		3550	cb (EV_A_ EV_PREPARE, prepares [i]);
		3551
		3552	if (types & EV_CHECK)
		3553	for (i = checkcnt; i--; )
		3554	cb (EV_A_ EV_CHECK, checks [i]);
		3555
		3556	if (types & EV_SIGNAL)
		3557	for (i = 0; i < signalmax; ++i)
		3558	for (wl = signals [i].head; wl; )
		3559	{
		3560	wn = wl->next;
		3561	cb (EV_A_ EV_SIGNAL, wl);
		3562	wl = wn;
		3563	}
		3564
		3565	if (types & EV_CHILD)
		3566	for (i = EV_PID_HASHSIZE; i--; )
		3567	for (wl = childs [i]; wl; )
		3568	{
		3569	wn = wl->next;
		3570	cb (EV_A_ EV_CHILD, wl);
		3571	wl = wn;
		3572	}
		3573	/* EV_STAT 0x00001000 /* stat data changed */
		3574	/* EV_EMBED 0x00010000 /* embedded event loop needs sweep */
		3575	}
		3576	#endif
		3577
3131	#if EV_MULTIPLICITY	3578	#if EV_MULTIPLICITY
3132	#include "ev_wrap.h"	3579	#include "ev_wrap.h"
3133	#endif	3580	#endif
3134		3581
3135	#ifdef __cplusplus	3582	#ifdef __cplusplus

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