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

Comparing libev/ev.c (file contents):
Revision 1.285 by root, Wed Apr 15 19:35:53 2009 UTC vs.
Revision 1.312 by root, Wed Aug 12 18:48:17 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
…		…
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
…		…
176	# endif	186	# endif
177	#endif	187	#endif
178		188
179	/* this block tries to deduce configuration from header-defined symbols and defaults */	189	/* this block tries to deduce configuration from header-defined symbols and defaults */
180		190
		191	/* try to deduce the maximum number of signals on this platform */
		192	#if defined (EV_NSIG)
		193	/* use what's provided */
		194	#elif defined (NSIG)
		195	# define EV_NSIG (NSIG)
		196	#elif defined(_NSIG)
		197	# define EV_NSIG (_NSIG)
		198	#elif defined (SIGMAX)
		199	# define EV_NSIG (SIGMAX+1)
		200	#elif defined (SIG_MAX)
		201	# define EV_NSIG (SIG_MAX+1)
		202	#elif defined (_SIG_MAX)
		203	# define EV_NSIG (_SIG_MAX+1)
		204	#elif defined (MAXSIG)
		205	# define EV_NSIG (MAXSIG+1)
		206	#elif defined (MAX_SIG)
		207	# define EV_NSIG (MAX_SIG+1)
		208	#elif defined (SIGARRAYSIZE)
		209	# define EV_NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */
		210	#elif defined (_sys_nsig)
		211	# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */
		212	#else
		213	# error "unable to find value for NSIG, please report"
		214	/* to make it compile regardless, just remove the above line */
		215	# define EV_NSIG 65
		216	#endif
		217
181	#ifndef EV_USE_CLOCK_SYSCALL	218	#ifndef EV_USE_CLOCK_SYSCALL
182	# if __linux && __GLIBC__ >= 2	219	# if __linux && __GLIBC__ >= 2
183	# define EV_USE_CLOCK_SYSCALL 1	220	# define EV_USE_CLOCK_SYSCALL 1
184	# else	221	# else
185	# define EV_USE_CLOCK_SYSCALL 0	222	# define EV_USE_CLOCK_SYSCALL 0
…		…
264	# else	301	# else
265	# define EV_USE_EVENTFD 0	302	# define EV_USE_EVENTFD 0
266	# endif	303	# endif
267	#endif	304	#endif
268		305
		306	#ifndef EV_USE_SIGNALFD
		307	# if __linux && (__GLIBC__ > 2 \|\| (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 9))
		308	# define EV_USE_SIGNALFD 1
		309	# else
		310	# define EV_USE_SIGNALFD 0
		311	# endif
		312	#endif
		313
269	#if 0 /* debugging */	314	#if 0 /* debugging */
270	# define EV_VERIFY 3	315	# define EV_VERIFY 3
271	# define EV_USE_4HEAP 1	316	# define EV_USE_4HEAP 1
272	# define EV_HEAP_CACHE_AT 1	317	# define EV_HEAP_CACHE_AT 1
273	#endif	318	#endif
…		…
280	# define EV_USE_4HEAP !EV_MINIMAL	325	# define EV_USE_4HEAP !EV_MINIMAL
281	#endif	326	#endif
282		327
283	#ifndef EV_HEAP_CACHE_AT	328	#ifndef EV_HEAP_CACHE_AT
284	# define EV_HEAP_CACHE_AT !EV_MINIMAL	329	# define EV_HEAP_CACHE_AT !EV_MINIMAL
		330	#endif
		331
		332	/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */
		333	/* which makes programs even slower. might work on other unices, too. */
		334	#if EV_USE_CLOCK_SYSCALL
		335	# include <syscall.h>
		336	# ifdef SYS_clock_gettime
		337	# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))
		338	# undef EV_USE_MONOTONIC
		339	# define EV_USE_MONOTONIC 1
		340	# else
		341	# undef EV_USE_CLOCK_SYSCALL
		342	# define EV_USE_CLOCK_SYSCALL 0
		343	# endif
285	#endif	344	#endif
286		345
287	/* this block fixes any misconfiguration where we know we run into trouble otherwise */	346	/* this block fixes any misconfiguration where we know we run into trouble otherwise */
288		347
289	#ifndef CLOCK_MONOTONIC	348	#ifndef CLOCK_MONOTONIC
…		…
320		379
321	#if EV_SELECT_IS_WINSOCKET	380	#if EV_SELECT_IS_WINSOCKET
322	# include <winsock.h>	381	# include <winsock.h>
323	#endif	382	#endif
324		383
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	384	#if EV_USE_EVENTFD
335	/* our minimum requirement is glibc 2.7 which has the stub, but not the header */	385	/* our minimum requirement is glibc 2.7 which has the stub, but not the header */
336	# include <stdint.h>	386	# include <stdint.h>
		387	# ifndef EFD_NONBLOCK
		388	# define EFD_NONBLOCK O_NONBLOCK
		389	# endif
		390	# ifndef EFD_CLOEXEC
		391	# ifdef O_CLOEXEC
		392	# define EFD_CLOEXEC O_CLOEXEC
		393	# else
		394	# define EFD_CLOEXEC 02000000
		395	# endif
		396	# endif
337	# ifdef __cplusplus	397	# ifdef __cplusplus
338	extern "C" {	398	extern "C" {
339	# endif	399	# endif
340	int eventfd (unsigned int initval, int flags);	400	int eventfd (unsigned int initval, int flags);
341	# ifdef __cplusplus	401	# ifdef __cplusplus
342	}	402	}
343	# endif	403	# endif
		404	#endif
		405
		406	#if EV_USE_SIGNALFD
		407	# include <sys/signalfd.h>
344	#endif	408	#endif
345		409
346	/**/	410	/**/
347		411
348	#if EV_VERIFY >= 3	412	#if EV_VERIFY >= 3
…		…
384	# define inline_speed static noinline	448	# define inline_speed static noinline
385	#else	449	#else
386	# define inline_speed static inline	450	# define inline_speed static inline
387	#endif	451	#endif
388		452
389	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)	453	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
		454
		455	#if EV_MINPRI == EV_MAXPRI
		456	# define ABSPRI(w) (((W)w), 0)
		457	#else
390	#define ABSPRI(w) (((W)w)->priority - EV_MINPRI)	458	# define ABSPRI(w) (((W)w)->priority - EV_MINPRI)
		459	#endif
391		460
392	#define EMPTY /* required for microsofts broken pseudo-c compiler */	461	#define EMPTY /* required for microsofts broken pseudo-c compiler */
393	#define EMPTY2(a,b) /* used to suppress some warnings */	462	#define EMPTY2(a,b) /* used to suppress some warnings */
394		463
395	typedef ev_watcher *W;	464	typedef ev_watcher *W;
…		…
478	#define ev_malloc(size) ev_realloc (0, (size))	547	#define ev_malloc(size) ev_realloc (0, (size))
479	#define ev_free(ptr) ev_realloc ((ptr), 0)	548	#define ev_free(ptr) ev_realloc ((ptr), 0)
480		549
481	/*****************************************************************************/	550	/*****************************************************************************/
482		551
		552	/* set in reify when reification needed */
		553	#define EV_ANFD_REIFY 1
		554
		555	/* file descriptor info structure */
483	typedef struct	556	typedef struct
484	{	557	{
485	WL head;	558	WL head;
486	unsigned char events;	559	unsigned char events; /* the events watched for */
487	unsigned char reify;	560	unsigned char reify; /* flag set when this ANFD needs reification (EV_ANFD_REIFY, EV__IOFDSET) */
488	unsigned char emask; /* the epoll backend stores the actual kernel mask in here */	561	unsigned char emask; /* the epoll backend stores the actual kernel mask in here */
489	unsigned char unused;	562	unsigned char unused;
490	#if EV_USE_EPOLL	563	#if EV_USE_EPOLL
491	unsigned int egen; /* generation counter to counter epoll bugs */	564	unsigned int egen; /* generation counter to counter epoll bugs */
492	#endif	565	#endif
493	#if EV_SELECT_IS_WINSOCKET	566	#if EV_SELECT_IS_WINSOCKET
494	SOCKET handle;	567	SOCKET handle;
495	#endif	568	#endif
496	} ANFD;	569	} ANFD;
497		570
		571	/* stores the pending event set for a given watcher */
498	typedef struct	572	typedef struct
499	{	573	{
500	W w;	574	W w;
501	int events;	575	int events; /* the pending event set for the given watcher */
502	} ANPENDING;	576	} ANPENDING;
503		577
504	#if EV_USE_INOTIFY	578	#if EV_USE_INOTIFY
505	/* hash table entry per inotify-id */	579	/* hash table entry per inotify-id */
506	typedef struct	580	typedef struct
…		…
509	} ANFS;	583	} ANFS;
510	#endif	584	#endif
511		585
512	/* Heap Entry */	586	/* Heap Entry */
513	#if EV_HEAP_CACHE_AT	587	#if EV_HEAP_CACHE_AT
		588	/* a heap element */
514	typedef struct {	589	typedef struct {
515	ev_tstamp at;	590	ev_tstamp at;
516	WT w;	591	WT w;
517	} ANHE;	592	} ANHE;
518		593
519	#define ANHE_w(he) (he).w /* access watcher, read-write */	594	#define ANHE_w(he) (he).w /* access watcher, read-write */
520	#define ANHE_at(he) (he).at /* access cached at, read-only */	595	#define ANHE_at(he) (he).at /* access cached at, read-only */
521	#define ANHE_at_cache(he) (he).at = (he).w->at /* update at from watcher */	596	#define ANHE_at_cache(he) (he).at = (he).w->at /* update at from watcher */
522	#else	597	#else
		598	/* a heap element */
523	typedef WT ANHE;	599	typedef WT ANHE;
524		600
525	#define ANHE_w(he) (he)	601	#define ANHE_w(he) (he)
526	#define ANHE_at(he) (he)->at	602	#define ANHE_at(he) (he)->at
527	#define ANHE_at_cache(he)	603	#define ANHE_at_cache(he)
…		…
551		627
552	static int ev_default_loop_ptr;	628	static int ev_default_loop_ptr;
553		629
554	#endif	630	#endif
555		631
		632	#if EV_MINIMAL < 2
		633	# define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A)
		634	# define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A)
		635	# define EV_INVOKE_PENDING invoke_cb (EV_A)
		636	#else
		637	# define EV_RELEASE_CB (void)0
		638	# define EV_ACQUIRE_CB (void)0
		639	# define EV_INVOKE_PENDING ev_invoke_pending (EV_A)
		640	#endif
		641
		642	#define EVUNLOOP_RECURSE 0x80
		643
556	/*****************************************************************************/	644	/*****************************************************************************/
557		645
		646	#ifndef EV_HAVE_EV_TIME
558	ev_tstamp	647	ev_tstamp
559	ev_time (void)	648	ev_time (void)
560	{	649	{
561	#if EV_USE_REALTIME	650	#if EV_USE_REALTIME
562	if (expect_true (have_realtime))	651	if (expect_true (have_realtime))
…		…
569		658
570	struct timeval tv;	659	struct timeval tv;
571	gettimeofday (&tv, 0);	660	gettimeofday (&tv, 0);
572	return tv.tv_sec + tv.tv_usec * 1e-6;	661	return tv.tv_sec + tv.tv_usec * 1e-6;
573	}	662	}
		663	#endif
574		664
575	inline_size ev_tstamp	665	inline_size ev_tstamp
576	get_clock (void)	666	get_clock (void)
577	{	667	{
578	#if EV_USE_MONOTONIC	668	#if EV_USE_MONOTONIC
…		…
614		704
615	tv.tv_sec = (time_t)delay;	705	tv.tv_sec = (time_t)delay;
616	tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6);	706	tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6);
617		707
618	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */	708	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */
619	/* somehting nto guaranteed by newer posix versions, but guaranteed */	709	/* something not guaranteed by newer posix versions, but guaranteed */
620	/* by older ones */	710	/* by older ones */
621	select (0, 0, 0, 0, &tv);	711	select (0, 0, 0, 0, &tv);
622	#endif	712	#endif
623	}	713	}
624	}	714	}
625		715
626	/*****************************************************************************/	716	/*****************************************************************************/
627		717
628	#define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2*n and >> 4 longs /	718	#define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2*n and >> 4 longs /
629		719
		720	/* find a suitable new size for the given array, */
		721	/* hopefully by rounding to a ncie-to-malloc size */
630	inline_size int	722	inline_size int
631	array_nextsize (int elem, int cur, int cnt)	723	array_nextsize (int elem, int cur, int cnt)
632	{	724	{
633	int ncur = cur + 1;	725	int ncur = cur + 1;
634		726
…		…
680	#define array_free(stem, idx) \	772	#define array_free(stem, idx) \
681	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0	773	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0
682		774
683	/*****************************************************************************/	775	/*****************************************************************************/
684		776
		777	/* dummy callback for pending events */
		778	static void noinline
		779	pendingcb (EV_P_ ev_prepare *w, int revents)
		780	{
		781	}
		782
685	void noinline	783	void noinline
686	ev_feed_event (EV_P_ void *w, int revents)	784	ev_feed_event (EV_P_ void *w, int revents)
687	{	785	{
688	W w_ = (W)w;	786	W w_ = (W)w;
689	int pri = ABSPRI (w_);	787	int pri = ABSPRI (w_);
…		…
724	}	822	}
725		823
726	/*****************************************************************************/	824	/*****************************************************************************/
727		825
728	inline_speed void	826	inline_speed void
729	fd_event (EV_P_ int fd, int revents)	827	fd_event_nc (EV_P_ int fd, int revents)
730	{	828	{
731	ANFD *anfd = anfds + fd;	829	ANFD *anfd = anfds + fd;
732	ev_io *w;	830	ev_io *w;
733		831
734	for (w = (ev_io )anfd->head; w; w = (ev_io )((WL)w)->next)	832	for (w = (ev_io )anfd->head; w; w = (ev_io )((WL)w)->next)
…		…
738	if (ev)	836	if (ev)
739	ev_feed_event (EV_A_ (W)w, ev);	837	ev_feed_event (EV_A_ (W)w, ev);
740	}	838	}
741	}	839	}
742		840
		841	/* do not submit kernel events for fds that have reify set */
		842	/* because that means they changed while we were polling for new events */
		843	inline_speed void
		844	fd_event (EV_P_ int fd, int revents)
		845	{
		846	ANFD *anfd = anfds + fd;
		847
		848	if (expect_true (!anfd->reify))
		849	fd_event_nc (EV_A_ fd, revents);
		850	}
		851
743	void	852	void
744	ev_feed_fd_event (EV_P_ int fd, int revents)	853	ev_feed_fd_event (EV_P_ int fd, int revents)
745	{	854	{
746	if (fd >= 0 && fd < anfdmax)	855	if (fd >= 0 && fd < anfdmax)
747	fd_event (EV_A_ fd, revents);	856	fd_event_nc (EV_A_ fd, revents);
748	}	857	}
749		858
		859	/* make sure the external fd watch events are in-sync */
		860	/* with the kernel/libev internal state */
750	inline_size void	861	inline_size void
751	fd_reify (EV_P)	862	fd_reify (EV_P)
752	{	863	{
753	int i;	864	int i;
754		865
…		…
789	}	900	}
790		901
791	fdchangecnt = 0;	902	fdchangecnt = 0;
792	}	903	}
793		904
		905	/* something about the given fd changed */
794	inline_size void	906	inline_size void
795	fd_change (EV_P_ int fd, int flags)	907	fd_change (EV_P_ int fd, int flags)
796	{	908	{
797	unsigned char reify = anfds [fd].reify;	909	unsigned char reify = anfds [fd].reify;
798	anfds [fd].reify \|= flags;	910	anfds [fd].reify \|= flags;
…		…
803	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2);	915	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2);
804	fdchanges [fdchangecnt - 1] = fd;	916	fdchanges [fdchangecnt - 1] = fd;
805	}	917	}
806	}	918	}
807		919
		920	/* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */
808	inline_speed void	921	inline_speed void
809	fd_kill (EV_P_ int fd)	922	fd_kill (EV_P_ int fd)
810	{	923	{
811	ev_io *w;	924	ev_io *w;
812		925
…		…
815	ev_io_stop (EV_A_ w);	928	ev_io_stop (EV_A_ w);
816	ev_feed_event (EV_A_ (W)w, EV_ERROR \| EV_READ \| EV_WRITE);	929	ev_feed_event (EV_A_ (W)w, EV_ERROR \| EV_READ \| EV_WRITE);
817	}	930	}
818	}	931	}
819		932
		933	/* check whether the given fd is atcually valid, for error recovery */
820	inline_size int	934	inline_size int
821	fd_valid (int fd)	935	fd_valid (int fd)
822	{	936	{
823	#ifdef _WIN32	937	#ifdef _WIN32
824	return _get_osfhandle (fd) != -1;	938	return _get_osfhandle (fd) != -1;
…		…
847		961
848	for (fd = anfdmax; fd--; )	962	for (fd = anfdmax; fd--; )
849	if (anfds [fd].events)	963	if (anfds [fd].events)
850	{	964	{
851	fd_kill (EV_A_ fd);	965	fd_kill (EV_A_ fd);
852	return;	966	break;
853	}	967	}
854	}	968	}
855		969
856	/* usually called after fork if backend needs to re-arm all fds from scratch */	970	/* usually called after fork if backend needs to re-arm all fds from scratch */
857	static void noinline	971	static void noinline
…		…
862	for (fd = 0; fd < anfdmax; ++fd)	976	for (fd = 0; fd < anfdmax; ++fd)
863	if (anfds [fd].events)	977	if (anfds [fd].events)
864	{	978	{
865	anfds [fd].events = 0;	979	anfds [fd].events = 0;
866	anfds [fd].emask = 0;	980	anfds [fd].emask = 0;
867	fd_change (EV_A_ fd, EV__IOFDSET \| 1);	981	fd_change (EV_A_ fd, EV__IOFDSET \| EV_ANFD_REIFY);
868	}	982	}
869	}	983	}
870		984
871	/*****************************************************************************/	985	/*****************************************************************************/
872		986
…		…
947		1061
948	for (;;)	1062	for (;;)
949	{	1063	{
950	int c = k << 1;	1064	int c = k << 1;
951		1065
952	if (c > N + HEAP0 - 1)	1066	if (c >= N + HEAP0)
953	break;	1067	break;
954		1068
955	c += c + 1 < N + HEAP0 && ANHE_at (heap [c]) > ANHE_at (heap [c + 1])	1069	c += c + 1 < N + HEAP0 && ANHE_at (heap [c]) > ANHE_at (heap [c + 1])
956	? 1 : 0;	1070	? 1 : 0;
957		1071
…		…
989		1103
990	heap [k] = he;	1104	heap [k] = he;
991	ev_active (ANHE_w (he)) = k;	1105	ev_active (ANHE_w (he)) = k;
992	}	1106	}
993		1107
		1108	/* move an element suitably so it is in a correct place */
994	inline_size void	1109	inline_size void
995	adjustheap (ANHE *heap, int N, int k)	1110	adjustheap (ANHE *heap, int N, int k)
996	{	1111	{
997	if (k > HEAP0 && ANHE_at (heap [HPARENT (k)]) >= ANHE_at (heap [k]))	1112	if (k > HEAP0 && ANHE_at (heap [k]) <= ANHE_at (heap [HPARENT (k)]))
998	upheap (heap, k);	1113	upheap (heap, k);
999	else	1114	else
1000	downheap (heap, N, k);	1115	downheap (heap, N, k);
1001	}	1116	}
1002		1117
…		…
1012	upheap (heap, i + HEAP0);	1127	upheap (heap, i + HEAP0);
1013	}	1128	}
1014		1129
1015	/*****************************************************************************/	1130	/*****************************************************************************/
1016		1131
		1132	/* associate signal watchers to a signal signal */
1017	typedef struct	1133	typedef struct
1018	{	1134	{
		1135	EV_ATOMIC_T pending;
		1136	#if EV_MULTIPLICITY
		1137	EV_P;
		1138	#endif
1019	WL head;	1139	WL head;
1020	EV_ATOMIC_T gotsig;
1021	} ANSIG;	1140	} ANSIG;
1022		1141
1023	static ANSIG *signals;	1142	static ANSIG signals [EV_NSIG - 1];
1024	static int signalmax;
1025
1026	static EV_ATOMIC_T gotsig;
1027		1143
1028	/*****************************************************************************/	1144	/*****************************************************************************/
1029		1145
		1146	/* used to prepare libev internal fd's */
		1147	/* this is not fork-safe */
1030	inline_speed void	1148	inline_speed void
1031	fd_intern (int fd)	1149	fd_intern (int fd)
1032	{	1150	{
1033	#ifdef _WIN32	1151	#ifdef _WIN32
1034	unsigned long arg = 1;	1152	unsigned long arg = 1;
…		…
1040	}	1158	}
1041		1159
1042	static void noinline	1160	static void noinline
1043	evpipe_init (EV_P)	1161	evpipe_init (EV_P)
1044	{	1162	{
1045	if (!ev_is_active (&pipeev))	1163	if (!ev_is_active (&pipe_w))
1046	{	1164	{
1047	#if EV_USE_EVENTFD	1165	#if EV_USE_EVENTFD
		1166	evfd = eventfd (0, EFD_NONBLOCK \| EFD_CLOEXEC);
		1167	if (evfd < 0 && errno == EINVAL)
1048	if ((evfd = eventfd (0, 0)) >= 0)	1168	evfd = eventfd (0, 0);
		1169
		1170	if (evfd >= 0)
1049	{	1171	{
1050	evpipe [0] = -1;	1172	evpipe [0] = -1;
1051	fd_intern (evfd);	1173	fd_intern (evfd); /* doing it twice doesn't hurt */
1052	ev_io_set (&pipeev, evfd, EV_READ);	1174	ev_io_set (&pipe_w, evfd, EV_READ);
1053	}	1175	}
1054	else	1176	else
1055	#endif	1177	#endif
1056	{	1178	{
1057	while (pipe (evpipe))	1179	while (pipe (evpipe))
1058	ev_syserr ("(libev) error creating signal/async pipe");	1180	ev_syserr ("(libev) error creating signal/async pipe");
1059		1181
1060	fd_intern (evpipe [0]);	1182	fd_intern (evpipe [0]);
1061	fd_intern (evpipe [1]);	1183	fd_intern (evpipe [1]);
1062	ev_io_set (&pipeev, evpipe [0], EV_READ);	1184	ev_io_set (&pipe_w, evpipe [0], EV_READ);
1063	}	1185	}
1064		1186
1065	ev_io_start (EV_A_ &pipeev);	1187	ev_io_start (EV_A_ &pipe_w);
1066	ev_unref (EV_A); /* watcher should not keep loop alive */	1188	ev_unref (EV_A); /* watcher should not keep loop alive */
1067	}	1189	}
1068	}	1190	}
1069		1191
1070	inline_size void	1192	inline_size void
…		…
1088		1210
1089	errno = old_errno;	1211	errno = old_errno;
1090	}	1212	}
1091	}	1213	}
1092		1214
		1215	/* called whenever the libev signal pipe */
		1216	/* got some events (signal, async) */
1093	static void	1217	static void
1094	pipecb (EV_P_ ev_io *iow, int revents)	1218	pipecb (EV_P_ ev_io *iow, int revents)
1095	{	1219	{
		1220	int i;
		1221
1096	#if EV_USE_EVENTFD	1222	#if EV_USE_EVENTFD
1097	if (evfd >= 0)	1223	if (evfd >= 0)
1098	{	1224	{
1099	uint64_t counter;	1225	uint64_t counter;
1100	read (evfd, &counter, sizeof (uint64_t));	1226	read (evfd, &counter, sizeof (uint64_t));
…		…
1104	{	1230	{
1105	char dummy;	1231	char dummy;
1106	read (evpipe [0], &dummy, 1);	1232	read (evpipe [0], &dummy, 1);
1107	}	1233	}
1108		1234
1109	if (gotsig && ev_is_default_loop (EV_A))	1235	if (sig_pending)
1110	{	1236	{
1111	int signum;	1237	sig_pending = 0;
1112	gotsig = 0;
1113		1238
1114	for (signum = signalmax; signum--; )	1239	for (i = EV_NSIG - 1; i--; )
1115	if (signals [signum].gotsig)	1240	if (expect_false (signals [i].pending))
1116	ev_feed_signal_event (EV_A_ signum + 1);	1241	ev_feed_signal_event (EV_A_ i + 1);
1117	}	1242	}
1118		1243
1119	#if EV_ASYNC_ENABLE	1244	#if EV_ASYNC_ENABLE
1120	if (gotasync)	1245	if (async_pending)
1121	{	1246	{
1122	int i;	1247	async_pending = 0;
1123	gotasync = 0;
1124		1248
1125	for (i = asynccnt; i--; )	1249	for (i = asynccnt; i--; )
1126	if (asyncs [i]->sent)	1250	if (asyncs [i]->sent)
1127	{	1251	{
1128	asyncs [i]->sent = 0;	1252	asyncs [i]->sent = 0;
…		…
1136		1260
1137	static void	1261	static void
1138	ev_sighandler (int signum)	1262	ev_sighandler (int signum)
1139	{	1263	{
1140	#if EV_MULTIPLICITY	1264	#if EV_MULTIPLICITY
1141	struct ev_loop *loop = &default_loop_struct;	1265	EV_P = signals [signum - 1].loop;
1142	#endif	1266	#endif
1143		1267
1144	#if _WIN32	1268	#if _WIN32
1145	signal (signum, ev_sighandler);	1269	signal (signum, ev_sighandler);
1146	#endif	1270	#endif
1147		1271
1148	signals [signum - 1].gotsig = 1;	1272	signals [signum - 1].pending = 1;
1149	evpipe_write (EV_A_ &gotsig);	1273	evpipe_write (EV_A_ &sig_pending);
1150	}	1274	}
1151		1275
1152	void noinline	1276	void noinline
1153	ev_feed_signal_event (EV_P_ int signum)	1277	ev_feed_signal_event (EV_P_ int signum)
1154	{	1278	{
1155	WL w;	1279	WL w;
1156		1280
		1281	if (expect_false (signum <= 0 \|\| signum > EV_NSIG))
		1282	return;
		1283
		1284	--signum;
		1285
1157	#if EV_MULTIPLICITY	1286	#if EV_MULTIPLICITY
1158	assert (("libev: feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr));	1287	/* it is permissible to try to feed a signal to the wrong loop */
1159	#endif	1288	/* or, likely more useful, feeding a signal nobody is waiting for */
1160		1289
1161	--signum;	1290	if (expect_false (signals [signum].loop != EV_A))
1162
1163	if (signum < 0 \|\| signum >= signalmax)
1164	return;	1291	return;
		1292	#endif
1165		1293
1166	signals [signum].gotsig = 0;	1294	signals [signum].pending = 0;
1167		1295
1168	for (w = signals [signum].head; w; w = w->next)	1296	for (w = signals [signum].head; w; w = w->next)
1169	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);	1297	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);
1170	}	1298	}
1171		1299
		1300	#if EV_USE_SIGNALFD
		1301	static void
		1302	sigfdcb (EV_P_ ev_io *iow, int revents)
		1303	{
		1304	struct signalfd_siginfo si[2], sip; / these structs are big */
		1305
		1306	for (;;)
		1307	{
		1308	ssize_t res = read (sigfd, si, sizeof (si));
		1309
		1310	/* not ISO-C, as res might be -1, but works with SuS */
		1311	for (sip = si; (char )sip < (char )si + res; ++sip)
		1312	ev_feed_signal_event (EV_A_ sip->ssi_signo);
		1313
		1314	if (res < (ssize_t)sizeof (si))
		1315	break;
		1316	}
		1317	}
		1318	#endif
		1319
1172	/*****************************************************************************/	1320	/*****************************************************************************/
1173		1321
1174	static WL childs [EV_PID_HASHSIZE];	1322	static WL childs [EV_PID_HASHSIZE];
1175		1323
1176	#ifndef _WIN32	1324	#ifndef _WIN32
…		…
1179		1327
1180	#ifndef WIFCONTINUED	1328	#ifndef WIFCONTINUED
1181	# define WIFCONTINUED(status) 0	1329	# define WIFCONTINUED(status) 0
1182	#endif	1330	#endif
1183		1331
		1332	/* handle a single child status event */
1184	inline_speed void	1333	inline_speed void
1185	child_reap (EV_P_ int chain, int pid, int status)	1334	child_reap (EV_P_ int chain, int pid, int status)
1186	{	1335	{
1187	ev_child *w;	1336	ev_child *w;
1188	int traced = WIFSTOPPED (status) \|\| WIFCONTINUED (status);	1337	int traced = WIFSTOPPED (status) \|\| WIFCONTINUED (status);
…		…
1202		1351
1203	#ifndef WCONTINUED	1352	#ifndef WCONTINUED
1204	# define WCONTINUED 0	1353	# define WCONTINUED 0
1205	#endif	1354	#endif
1206		1355
		1356	/* called on sigchld etc., calls waitpid */
1207	static void	1357	static void
1208	childcb (EV_P_ ev_signal *sw, int revents)	1358	childcb (EV_P_ ev_signal *sw, int revents)
1209	{	1359	{
1210	int pid, status;	1360	int pid, status;
1211		1361
…		…
1318	ev_backend (EV_P)	1468	ev_backend (EV_P)
1319	{	1469	{
1320	return backend;	1470	return backend;
1321	}	1471	}
1322		1472
		1473	#if EV_MINIMAL < 2
1323	unsigned int	1474	unsigned int
1324	ev_loop_count (EV_P)	1475	ev_loop_count (EV_P)
1325	{	1476	{
1326	return loop_count;	1477	return loop_count;
1327	}	1478	}
1328		1479
		1480	unsigned int
		1481	ev_loop_depth (EV_P)
		1482	{
		1483	return loop_depth;
		1484	}
		1485
1329	void	1486	void
1330	ev_set_io_collect_interval (EV_P_ ev_tstamp interval)	1487	ev_set_io_collect_interval (EV_P_ ev_tstamp interval)
1331	{	1488	{
1332	io_blocktime = interval;	1489	io_blocktime = interval;
1333	}	1490	}
…		…
1336	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval)	1493	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval)
1337	{	1494	{
1338	timeout_blocktime = interval;	1495	timeout_blocktime = interval;
1339	}	1496	}
1340		1497
		1498	void
		1499	ev_set_userdata (EV_P_ void *data)
		1500	{
		1501	userdata = data;
		1502	}
		1503
		1504	void *
		1505	ev_userdata (EV_P)
		1506	{
		1507	return userdata;
		1508	}
		1509
		1510	void ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P))
		1511	{
		1512	invoke_cb = invoke_pending_cb;
		1513	}
		1514
		1515	void ev_set_loop_release_cb (EV_P_ void (release)(EV_P), void (acquire)(EV_P))
		1516	{
		1517	release_cb = release;
		1518	acquire_cb = acquire;
		1519	}
		1520	#endif
		1521
		1522	/* initialise a loop structure, must be zero-initialised */
1341	static void noinline	1523	static void noinline
1342	loop_init (EV_P_ unsigned int flags)	1524	loop_init (EV_P_ unsigned int flags)
1343	{	1525	{
1344	if (!backend)	1526	if (!backend)
1345	{	1527	{
…		…
1361	if (!clock_gettime (CLOCK_MONOTONIC, &ts))	1543	if (!clock_gettime (CLOCK_MONOTONIC, &ts))
1362	have_monotonic = 1;	1544	have_monotonic = 1;
1363	}	1545	}
1364	#endif	1546	#endif
1365		1547
		1548	/* pid check not overridable via env */
		1549	#ifndef _WIN32
		1550	if (flags & EVFLAG_FORKCHECK)
		1551	curpid = getpid ();
		1552	#endif
		1553
		1554	if (!(flags & EVFLAG_NOENV)
		1555	&& !enable_secure ()
		1556	&& getenv ("LIBEV_FLAGS"))
		1557	flags = atoi (getenv ("LIBEV_FLAGS"));
		1558
1366	ev_rt_now = ev_time ();	1559	ev_rt_now = ev_time ();
1367	mn_now = get_clock ();	1560	mn_now = get_clock ();
1368	now_floor = mn_now;	1561	now_floor = mn_now;
1369	rtmn_diff = ev_rt_now - mn_now;	1562	rtmn_diff = ev_rt_now - mn_now;
		1563	#if EV_MINIMAL < 2
		1564	invoke_cb = ev_invoke_pending;
		1565	#endif
1370		1566
1371	io_blocktime = 0.;	1567	io_blocktime = 0.;
1372	timeout_blocktime = 0.;	1568	timeout_blocktime = 0.;
1373	backend = 0;	1569	backend = 0;
1374	backend_fd = -1;	1570	backend_fd = -1;
1375	gotasync = 0;	1571	sig_pending = 0;
		1572	#if EV_ASYNC_ENABLE
		1573	async_pending = 0;
		1574	#endif
1376	#if EV_USE_INOTIFY	1575	#if EV_USE_INOTIFY
1377	fs_fd = -2;	1576	fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;
1378	#endif	1577	#endif
1379		1578	#if EV_USE_SIGNALFD
1380	/* pid check not overridable via env */	1579	sigfd = flags & EVFLAG_NOSIGFD ? -1 : -2;
1381	#ifndef _WIN32
1382	if (flags & EVFLAG_FORKCHECK)
1383	curpid = getpid ();
1384	#endif	1580	#endif
1385
1386	if (!(flags & EVFLAG_NOENV)
1387	&& !enable_secure ()
1388	&& getenv ("LIBEV_FLAGS"))
1389	flags = atoi (getenv ("LIBEV_FLAGS"));
1390		1581
1391	if (!(flags & 0x0000ffffU))	1582	if (!(flags & 0x0000ffffU))
1392	flags \|= ev_recommended_backends ();	1583	flags \|= ev_recommended_backends ();
1393		1584
1394	#if EV_USE_PORT	1585	#if EV_USE_PORT
…		…
1405	#endif	1596	#endif
1406	#if EV_USE_SELECT	1597	#if EV_USE_SELECT
1407	if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags);	1598	if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags);
1408	#endif	1599	#endif
1409		1600
		1601	ev_prepare_init (&pending_w, pendingcb);
		1602
1410	ev_init (&pipeev, pipecb);	1603	ev_init (&pipe_w, pipecb);
1411	ev_set_priority (&pipeev, EV_MAXPRI);	1604	ev_set_priority (&pipe_w, EV_MAXPRI);
1412	}	1605	}
1413	}	1606	}
1414		1607
		1608	/* free up a loop structure */
1415	static void noinline	1609	static void noinline
1416	loop_destroy (EV_P)	1610	loop_destroy (EV_P)
1417	{	1611	{
1418	int i;	1612	int i;
1419		1613
1420	if (ev_is_active (&pipeev))	1614	if (ev_is_active (&pipe_w))
1421	{	1615	{
1422	ev_ref (EV_A); /* signal watcher */	1616	/ev_ref (EV_A);/
1423	ev_io_stop (EV_A_ &pipeev);	1617	/ev_io_stop (EV_A_ &pipe_w);/
1424		1618
1425	#if EV_USE_EVENTFD	1619	#if EV_USE_EVENTFD
1426	if (evfd >= 0)	1620	if (evfd >= 0)
1427	close (evfd);	1621	close (evfd);
1428	#endif	1622	#endif
…		…
1432	close (evpipe [0]);	1626	close (evpipe [0]);
1433	close (evpipe [1]);	1627	close (evpipe [1]);
1434	}	1628	}
1435	}	1629	}
1436		1630
		1631	#if EV_USE_SIGNALFD
		1632	if (ev_is_active (&sigfd_w))
		1633	{
		1634	/ev_ref (EV_A);/
		1635	/ev_io_stop (EV_A_ &sigfd_w);/
		1636
		1637	close (sigfd);
		1638	}
		1639	#endif
		1640
1437	#if EV_USE_INOTIFY	1641	#if EV_USE_INOTIFY
1438	if (fs_fd >= 0)	1642	if (fs_fd >= 0)
1439	close (fs_fd);	1643	close (fs_fd);
1440	#endif	1644	#endif
1441		1645
…		…
1464	#if EV_IDLE_ENABLE	1668	#if EV_IDLE_ENABLE
1465	array_free (idle, [i]);	1669	array_free (idle, [i]);
1466	#endif	1670	#endif
1467	}	1671	}
1468		1672
1469	ev_free (anfds); anfdmax = 0;	1673	ev_free (anfds); anfds = 0; anfdmax = 0;
1470		1674
1471	/* have to use the microsoft-never-gets-it-right macro */	1675	/* have to use the microsoft-never-gets-it-right macro */
1472	array_free (rfeed, EMPTY);	1676	array_free (rfeed, EMPTY);
1473	array_free (fdchange, EMPTY);	1677	array_free (fdchange, EMPTY);
1474	array_free (timer, EMPTY);	1678	array_free (timer, EMPTY);
…		…
1505	#endif	1709	#endif
1506	#if EV_USE_INOTIFY	1710	#if EV_USE_INOTIFY
1507	infy_fork (EV_A);	1711	infy_fork (EV_A);
1508	#endif	1712	#endif
1509		1713
1510	if (ev_is_active (&pipeev))	1714	if (ev_is_active (&pipe_w))
1511	{	1715	{
1512	/* this "locks" the handlers against writing to the pipe */	1716	/* this "locks" the handlers against writing to the pipe */
1513	/* while we modify the fd vars */	1717	/* while we modify the fd vars */
1514	gotsig = 1;	1718	sig_pending = 1;
1515	#if EV_ASYNC_ENABLE	1719	#if EV_ASYNC_ENABLE
1516	gotasync = 1;	1720	async_pending = 1;
1517	#endif	1721	#endif
1518		1722
1519	ev_ref (EV_A);	1723	ev_ref (EV_A);
1520	ev_io_stop (EV_A_ &pipeev);	1724	ev_io_stop (EV_A_ &pipe_w);
1521		1725
1522	#if EV_USE_EVENTFD	1726	#if EV_USE_EVENTFD
1523	if (evfd >= 0)	1727	if (evfd >= 0)
1524	close (evfd);	1728	close (evfd);
1525	#endif	1729	#endif
…		…
1530	close (evpipe [1]);	1734	close (evpipe [1]);
1531	}	1735	}
1532		1736
1533	evpipe_init (EV_A);	1737	evpipe_init (EV_A);
1534	/* now iterate over everything, in case we missed something */	1738	/* now iterate over everything, in case we missed something */
1535	pipecb (EV_A_ &pipeev, EV_READ);	1739	pipecb (EV_A_ &pipe_w, EV_READ);
1536	}	1740	}
1537		1741
1538	postfork = 0;	1742	postfork = 0;
1539	}	1743	}
1540		1744
1541	#if EV_MULTIPLICITY	1745	#if EV_MULTIPLICITY
1542		1746
1543	struct ev_loop *	1747	struct ev_loop *
1544	ev_loop_new (unsigned int flags)	1748	ev_loop_new (unsigned int flags)
1545	{	1749	{
1546	struct ev_loop loop = (struct ev_loop )ev_malloc (sizeof (struct ev_loop));	1750	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
1547		1751
1548	memset (loop, 0, sizeof (struct ev_loop));	1752	memset (EV_A, 0, sizeof (struct ev_loop));
1549
1550	loop_init (EV_A_ flags);	1753	loop_init (EV_A_ flags);
1551		1754
1552	if (ev_backend (EV_A))	1755	if (ev_backend (EV_A))
1553	return loop;	1756	return EV_A;
1554		1757
1555	return 0;	1758	return 0;
1556	}	1759	}
1557		1760
1558	void	1761	void
…		…
1565	void	1768	void
1566	ev_loop_fork (EV_P)	1769	ev_loop_fork (EV_P)
1567	{	1770	{
1568	postfork = 1; /* must be in line with ev_default_fork */	1771	postfork = 1; /* must be in line with ev_default_fork */
1569	}	1772	}
		1773	#endif /* multiplicity */
1570		1774
1571	#if EV_VERIFY	1775	#if EV_VERIFY
1572	static void noinline	1776	static void noinline
1573	verify_watcher (EV_P_ W w)	1777	verify_watcher (EV_P_ W w)
1574	{	1778	{
…		…
1602	verify_watcher (EV_A_ ws [cnt]);	1806	verify_watcher (EV_A_ ws [cnt]);
1603	}	1807	}
1604	}	1808	}
1605	#endif	1809	#endif
1606		1810
		1811	#if EV_MINIMAL < 2
1607	void	1812	void
1608	ev_loop_verify (EV_P)	1813	ev_loop_verify (EV_P)
1609	{	1814	{
1610	#if EV_VERIFY	1815	#if EV_VERIFY
1611	int i;	1816	int i;
…		…
1660	assert (checkmax >= checkcnt);	1865	assert (checkmax >= checkcnt);
1661	array_verify (EV_A_ (W *)checks, checkcnt);	1866	array_verify (EV_A_ (W *)checks, checkcnt);
1662		1867
1663	# if 0	1868	# if 0
1664	for (w = (ev_child )childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child )((WL)w)->next)	1869	for (w = (ev_child )childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child )((WL)w)->next)
1665	for (signum = signalmax; signum--; ) if (signals [signum].gotsig)	1870	for (signum = EV_NSIG; signum--; ) if (signals [signum].pending)
1666	# endif	1871	# endif
1667	#endif	1872	#endif
1668	}	1873	}
1669		1874	#endif
1670	#endif /* multiplicity */
1671		1875
1672	#if EV_MULTIPLICITY	1876	#if EV_MULTIPLICITY
1673	struct ev_loop *	1877	struct ev_loop *
1674	ev_default_loop_init (unsigned int flags)	1878	ev_default_loop_init (unsigned int flags)
1675	#else	1879	#else
…		…
1678	#endif	1882	#endif
1679	{	1883	{
1680	if (!ev_default_loop_ptr)	1884	if (!ev_default_loop_ptr)
1681	{	1885	{
1682	#if EV_MULTIPLICITY	1886	#if EV_MULTIPLICITY
1683	struct ev_loop *loop = ev_default_loop_ptr = &default_loop_struct;	1887	EV_P = ev_default_loop_ptr = &default_loop_struct;
1684	#else	1888	#else
1685	ev_default_loop_ptr = 1;	1889	ev_default_loop_ptr = 1;
1686	#endif	1890	#endif
1687		1891
1688	loop_init (EV_A_ flags);	1892	loop_init (EV_A_ flags);
…		…
1705		1909
1706	void	1910	void
1707	ev_default_destroy (void)	1911	ev_default_destroy (void)
1708	{	1912	{
1709	#if EV_MULTIPLICITY	1913	#if EV_MULTIPLICITY
1710	struct ev_loop *loop = ev_default_loop_ptr;	1914	EV_P = ev_default_loop_ptr;
1711	#endif	1915	#endif
1712		1916
1713	ev_default_loop_ptr = 0;	1917	ev_default_loop_ptr = 0;
1714		1918
1715	#ifndef _WIN32	1919	#ifndef _WIN32
…		…
1722		1926
1723	void	1927	void
1724	ev_default_fork (void)	1928	ev_default_fork (void)
1725	{	1929	{
1726	#if EV_MULTIPLICITY	1930	#if EV_MULTIPLICITY
1727	struct ev_loop *loop = ev_default_loop_ptr;	1931	EV_P = ev_default_loop_ptr;
1728	#endif	1932	#endif
1729		1933
1730	postfork = 1; /* must be in line with ev_loop_fork */	1934	postfork = 1; /* must be in line with ev_loop_fork */
1731	}	1935	}
1732		1936
…		…
1736	ev_invoke (EV_P_ void *w, int revents)	1940	ev_invoke (EV_P_ void *w, int revents)
1737	{	1941	{
1738	EV_CB_INVOKE ((W)w, revents);	1942	EV_CB_INVOKE ((W)w, revents);
1739	}	1943	}
1740		1944
1741	inline_speed void	1945	unsigned int
1742	call_pending (EV_P)	1946	ev_pending_count (EV_P)
		1947	{
		1948	int pri;
		1949	unsigned int count = 0;
		1950
		1951	for (pri = NUMPRI; pri--; )
		1952	count += pendingcnt [pri];
		1953
		1954	return count;
		1955	}
		1956
		1957	void noinline
		1958	ev_invoke_pending (EV_P)
1743	{	1959	{
1744	int pri;	1960	int pri;
1745		1961
1746	for (pri = NUMPRI; pri--; )	1962	for (pri = NUMPRI; pri--; )
1747	while (pendingcnt [pri])	1963	while (pendingcnt [pri])
1748	{	1964	{
1749	ANPENDING *p = pendings [pri] + --pendingcnt [pri];	1965	ANPENDING *p = pendings [pri] + --pendingcnt [pri];
1750		1966
1751	if (expect_true (p->w))
1752	{
1753	/assert (("libev: non-pending watcher on pending list", p->w->pending));/	1967	/assert (("libev: non-pending watcher on pending list", p->w->pending));/
		1968	/* ^ this is no longer true, as pending_w could be here */
1754		1969
1755	p->w->pending = 0;	1970	p->w->pending = 0;
1756	EV_CB_INVOKE (p->w, p->events);	1971	EV_CB_INVOKE (p->w, p->events);
1757	EV_FREQUENT_CHECK;	1972	EV_FREQUENT_CHECK;
1758	}
1759	}	1973	}
1760	}	1974	}
1761		1975
1762	#if EV_IDLE_ENABLE	1976	#if EV_IDLE_ENABLE
		1977	/* make idle watchers pending. this handles the "call-idle */
		1978	/* only when higher priorities are idle" logic */
1763	inline_size void	1979	inline_size void
1764	idle_reify (EV_P)	1980	idle_reify (EV_P)
1765	{	1981	{
1766	if (expect_false (idleall))	1982	if (expect_false (idleall))
1767	{	1983	{
…		…
1780	}	1996	}
1781	}	1997	}
1782	}	1998	}
1783	#endif	1999	#endif
1784		2000
		2001	/* make timers pending */
1785	inline_size void	2002	inline_size void
1786	timers_reify (EV_P)	2003	timers_reify (EV_P)
1787	{	2004	{
1788	EV_FREQUENT_CHECK;	2005	EV_FREQUENT_CHECK;
1789		2006
…		…
1818	feed_reverse_done (EV_A_ EV_TIMEOUT);	2035	feed_reverse_done (EV_A_ EV_TIMEOUT);
1819	}	2036	}
1820	}	2037	}
1821		2038
1822	#if EV_PERIODIC_ENABLE	2039	#if EV_PERIODIC_ENABLE
		2040	/* make periodics pending */
1823	inline_size void	2041	inline_size void
1824	periodics_reify (EV_P)	2042	periodics_reify (EV_P)
1825	{	2043	{
1826	EV_FREQUENT_CHECK;	2044	EV_FREQUENT_CHECK;
1827		2045
…		…
1874		2092
1875	feed_reverse_done (EV_A_ EV_PERIODIC);	2093	feed_reverse_done (EV_A_ EV_PERIODIC);
1876	}	2094	}
1877	}	2095	}
1878		2096
		2097	/* simply recalculate all periodics */
		2098	/* TODO: maybe ensure that at leats one event happens when jumping forward? */
1879	static void noinline	2099	static void noinline
1880	periodics_reschedule (EV_P)	2100	periodics_reschedule (EV_P)
1881	{	2101	{
1882	int i;	2102	int i;
1883		2103
…		…
1896		2116
1897	reheap (periodics, periodiccnt);	2117	reheap (periodics, periodiccnt);
1898	}	2118	}
1899	#endif	2119	#endif
1900		2120
		2121	/* adjust all timers by a given offset */
1901	static void noinline	2122	static void noinline
1902	timers_reschedule (EV_P_ ev_tstamp adjust)	2123	timers_reschedule (EV_P_ ev_tstamp adjust)
1903	{	2124	{
1904	int i;	2125	int i;
1905		2126
…		…
1909	ANHE_w (*he)->at += adjust;	2130	ANHE_w (*he)->at += adjust;
1910	ANHE_at_cache (*he);	2131	ANHE_at_cache (*he);
1911	}	2132	}
1912	}	2133	}
1913		2134
		2135	/* fetch new monotonic and realtime times from the kernel */
		2136	/* also detetc if there was a timejump, and act accordingly */
1914	inline_speed void	2137	inline_speed void
1915	time_update (EV_P_ ev_tstamp max_block)	2138	time_update (EV_P_ ev_tstamp max_block)
1916	{	2139	{
1917	int i;
1918
1919	#if EV_USE_MONOTONIC	2140	#if EV_USE_MONOTONIC
1920	if (expect_true (have_monotonic))	2141	if (expect_true (have_monotonic))
1921	{	2142	{
		2143	int i;
1922	ev_tstamp odiff = rtmn_diff;	2144	ev_tstamp odiff = rtmn_diff;
1923		2145
1924	mn_now = get_clock ();	2146	mn_now = get_clock ();
1925		2147
1926	/* only fetch the realtime clock every 0.5MIN_TIMEJUMP seconds /	2148	/* only fetch the realtime clock every 0.5MIN_TIMEJUMP seconds /
…		…
1976		2198
1977	mn_now = ev_rt_now;	2199	mn_now = ev_rt_now;
1978	}	2200	}
1979	}	2201	}
1980		2202
1981	static int loop_done;
1982
1983	void	2203	void
1984	ev_loop (EV_P_ int flags)	2204	ev_loop (EV_P_ int flags)
1985	{	2205	{
		2206	#if EV_MINIMAL < 2
		2207	++loop_depth;
		2208	#endif
		2209
		2210	assert (("libev: ev_loop recursion during release detected", loop_done != EVUNLOOP_RECURSE));
		2211
1986	loop_done = EVUNLOOP_CANCEL;	2212	loop_done = EVUNLOOP_CANCEL;
1987		2213
1988	call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */	2214	EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */
1989		2215
1990	do	2216	do
1991	{	2217	{
1992	#if EV_VERIFY >= 2	2218	#if EV_VERIFY >= 2
1993	ev_loop_verify (EV_A);	2219	ev_loop_verify (EV_A);
…		…
2006	/* we might have forked, so queue fork handlers */	2232	/* we might have forked, so queue fork handlers */
2007	if (expect_false (postfork))	2233	if (expect_false (postfork))
2008	if (forkcnt)	2234	if (forkcnt)
2009	{	2235	{
2010	queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);	2236	queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);
2011	call_pending (EV_A);	2237	EV_INVOKE_PENDING;
2012	}	2238	}
2013	#endif	2239	#endif
2014		2240
2015	/* queue prepare watchers (and execute them) */	2241	/* queue prepare watchers (and execute them) */
2016	if (expect_false (preparecnt))	2242	if (expect_false (preparecnt))
2017	{	2243	{
2018	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);	2244	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
2019	call_pending (EV_A);	2245	EV_INVOKE_PENDING;
2020	}	2246	}
		2247
		2248	if (expect_false (loop_done))
		2249	break;
2021		2250
2022	/* we might have forked, so reify kernel state if necessary */	2251	/* we might have forked, so reify kernel state if necessary */
2023	if (expect_false (postfork))	2252	if (expect_false (postfork))
2024	loop_fork (EV_A);	2253	loop_fork (EV_A);
2025		2254
…		…
2031	ev_tstamp waittime = 0.;	2260	ev_tstamp waittime = 0.;
2032	ev_tstamp sleeptime = 0.;	2261	ev_tstamp sleeptime = 0.;
2033		2262
2034	if (expect_true (!(flags & EVLOOP_NONBLOCK \|\| idleall \|\| !activecnt)))	2263	if (expect_true (!(flags & EVLOOP_NONBLOCK \|\| idleall \|\| !activecnt)))
2035	{	2264	{
		2265	/* remember old timestamp for io_blocktime calculation */
		2266	ev_tstamp prev_mn_now = mn_now;
		2267
2036	/* update time to cancel out callback processing overhead */	2268	/* update time to cancel out callback processing overhead */
2037	time_update (EV_A_ 1e100);	2269	time_update (EV_A_ 1e100);
		2270
		2271	waittime = MAX_BLOCKTIME;
2038		2272
2039	if (timercnt)	2273	if (timercnt)
2040	{	2274	{
2041	ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge;	2275	ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge;
2042	if (waittime > to) waittime = to;	2276	if (waittime > to) waittime = to;
…		…
2048	ev_tstamp to = ANHE_at (periodics [HEAP0]) - ev_rt_now + backend_fudge;	2282	ev_tstamp to = ANHE_at (periodics [HEAP0]) - ev_rt_now + backend_fudge;
2049	if (waittime > to) waittime = to;	2283	if (waittime > to) waittime = to;
2050	}	2284	}
2051	#endif	2285	#endif
2052		2286
		2287	/* don't let timeouts decrease the waittime below timeout_blocktime */
2053	if (expect_false (waittime < timeout_blocktime))	2288	if (expect_false (waittime < timeout_blocktime))
2054	waittime = timeout_blocktime;	2289	waittime = timeout_blocktime;
2055		2290
2056	sleeptime = waittime - backend_fudge;	2291	/* extra check because io_blocktime is commonly 0 */
2057
2058	if (expect_true (sleeptime > io_blocktime))	2292	if (expect_false (io_blocktime))
2059	sleeptime = io_blocktime;
2060
2061	if (sleeptime)
2062	{	2293	{
		2294	sleeptime = io_blocktime - (mn_now - prev_mn_now);
		2295
		2296	if (sleeptime > waittime - backend_fudge)
		2297	sleeptime = waittime - backend_fudge;
		2298
		2299	if (expect_true (sleeptime > 0.))
		2300	{
2063	ev_sleep (sleeptime);	2301	ev_sleep (sleeptime);
2064	waittime -= sleeptime;	2302	waittime -= sleeptime;
		2303	}
2065	}	2304	}
2066	}	2305	}
2067		2306
		2307	#if EV_MINIMAL < 2
2068	++loop_count;	2308	++loop_count;
		2309	#endif
		2310	assert ((loop_done = EVUNLOOP_RECURSE, 1)); /* assert for side effect */
2069	backend_poll (EV_A_ waittime);	2311	backend_poll (EV_A_ waittime);
		2312	assert ((loop_done = EVUNLOOP_CANCEL, 1)); /* assert for side effect */
2070		2313
2071	/* update ev_rt_now, do magic */	2314	/* update ev_rt_now, do magic */
2072	time_update (EV_A_ waittime + sleeptime);	2315	time_update (EV_A_ waittime + sleeptime);
2073	}	2316	}
2074		2317
…		…
2085		2328
2086	/* queue check watchers, to be executed first */	2329	/* queue check watchers, to be executed first */
2087	if (expect_false (checkcnt))	2330	if (expect_false (checkcnt))
2088	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);	2331	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
2089		2332
2090	call_pending (EV_A);	2333	EV_INVOKE_PENDING;
2091	}	2334	}
2092	while (expect_true (	2335	while (expect_true (
2093	activecnt	2336	activecnt
2094	&& !loop_done	2337	&& !loop_done
2095	&& !(flags & (EVLOOP_ONESHOT \| EVLOOP_NONBLOCK))	2338	&& !(flags & (EVLOOP_ONESHOT \| EVLOOP_NONBLOCK))
2096	));	2339	));
2097		2340
2098	if (loop_done == EVUNLOOP_ONE)	2341	if (loop_done == EVUNLOOP_ONE)
2099	loop_done = EVUNLOOP_CANCEL;	2342	loop_done = EVUNLOOP_CANCEL;
		2343
		2344	#if EV_MINIMAL < 2
		2345	--loop_depth;
		2346	#endif
2100	}	2347	}
2101		2348
2102	void	2349	void
2103	ev_unloop (EV_P_ int how)	2350	ev_unloop (EV_P_ int how)
2104	{	2351	{
…		…
2133	ev_resume (EV_P)	2380	ev_resume (EV_P)
2134	{	2381	{
2135	ev_tstamp mn_prev = mn_now;	2382	ev_tstamp mn_prev = mn_now;
2136		2383
2137	ev_now_update (EV_A);	2384	ev_now_update (EV_A);
2138	printf ("update %f\n", mn_now - mn_prev);//D
2139	timers_reschedule (EV_A_ mn_now - mn_prev);	2385	timers_reschedule (EV_A_ mn_now - mn_prev);
		2386	#if EV_PERIODIC_ENABLE
		2387	/* TODO: really do this? */
2140	periodics_reschedule (EV_A);	2388	periodics_reschedule (EV_A);
		2389	#endif
2141	}	2390	}
2142		2391
2143	/*****************************************************************************/	2392	/*****************************************************************************/
		2393	/* singly-linked list management, used when the expected list length is short */
2144		2394
2145	inline_size void	2395	inline_size void
2146	wlist_add (WL *head, WL elem)	2396	wlist_add (WL *head, WL elem)
2147	{	2397	{
2148	elem->next = *head;	2398	elem->next = *head;
…		…
2152	inline_size void	2402	inline_size void
2153	wlist_del (WL *head, WL elem)	2403	wlist_del (WL *head, WL elem)
2154	{	2404	{
2155	while (*head)	2405	while (*head)
2156	{	2406	{
2157	if (*head == elem)	2407	if (expect_true (*head == elem))
2158	{	2408	{
2159	*head = elem->next;	2409	*head = elem->next;
2160	return;	2410	break;
2161	}	2411	}
2162		2412
2163	head = &(*head)->next;	2413	head = &(*head)->next;
2164	}	2414	}
2165	}	2415	}
2166		2416
		2417	/* internal, faster, version of ev_clear_pending */
2167	inline_speed void	2418	inline_speed void
2168	clear_pending (EV_P_ W w)	2419	clear_pending (EV_P_ W w)
2169	{	2420	{
2170	if (w->pending)	2421	if (w->pending)
2171	{	2422	{
2172	pendings [ABSPRI (w)][w->pending - 1].w = 0;	2423	pendings [ABSPRI (w)][w->pending - 1].w = (W)&pending_w;
2173	w->pending = 0;	2424	w->pending = 0;
2174	}	2425	}
2175	}	2426	}
2176		2427
2177	int	2428	int
…		…
2181	int pending = w_->pending;	2432	int pending = w_->pending;
2182		2433
2183	if (expect_true (pending))	2434	if (expect_true (pending))
2184	{	2435	{
2185	ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1;	2436	ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1;
		2437	p->w = (W)&pending_w;
2186	w_->pending = 0;	2438	w_->pending = 0;
2187	p->w = 0;
2188	return p->events;	2439	return p->events;
2189	}	2440	}
2190	else	2441	else
2191	return 0;	2442	return 0;
2192	}	2443	}
2193		2444
2194	inline_size void	2445	inline_size void
2195	pri_adjust (EV_P_ W w)	2446	pri_adjust (EV_P_ W w)
2196	{	2447	{
2197	int pri = w->priority;	2448	int pri = ev_priority (w);
2198	pri = pri < EV_MINPRI ? EV_MINPRI : pri;	2449	pri = pri < EV_MINPRI ? EV_MINPRI : pri;
2199	pri = pri > EV_MAXPRI ? EV_MAXPRI : pri;	2450	pri = pri > EV_MAXPRI ? EV_MAXPRI : pri;
2200	w->priority = pri;	2451	ev_set_priority (w, pri);
2201	}	2452	}
2202		2453
2203	inline_speed void	2454	inline_speed void
2204	ev_start (EV_P_ W w, int active)	2455	ev_start (EV_P_ W w, int active)
2205	{	2456	{
…		…
2232		2483
2233	ev_start (EV_A_ (W)w, 1);	2484	ev_start (EV_A_ (W)w, 1);
2234	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);	2485	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);
2235	wlist_add (&anfds[fd].head, (WL)w);	2486	wlist_add (&anfds[fd].head, (WL)w);
2236		2487
2237	fd_change (EV_A_ fd, w->events & EV__IOFDSET \| 1);	2488	fd_change (EV_A_ fd, w->events & EV__IOFDSET \| EV_ANFD_REIFY);
2238	w->events &= ~EV__IOFDSET;	2489	w->events &= ~EV__IOFDSET;
2239		2490
2240	EV_FREQUENT_CHECK;	2491	EV_FREQUENT_CHECK;
2241	}	2492	}
2242		2493
…		…
2336	}	2587	}
2337		2588
2338	EV_FREQUENT_CHECK;	2589	EV_FREQUENT_CHECK;
2339	}	2590	}
2340		2591
		2592	ev_tstamp
		2593	ev_timer_remaining (EV_P_ ev_timer *w)
		2594	{
		2595	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
		2596	}
		2597
2341	#if EV_PERIODIC_ENABLE	2598	#if EV_PERIODIC_ENABLE
2342	void noinline	2599	void noinline
2343	ev_periodic_start (EV_P_ ev_periodic *w)	2600	ev_periodic_start (EV_P_ ev_periodic *w)
2344	{	2601	{
2345	if (expect_false (ev_is_active (w)))	2602	if (expect_false (ev_is_active (w)))
…		…
2412	#endif	2669	#endif
2413		2670
2414	void noinline	2671	void noinline
2415	ev_signal_start (EV_P_ ev_signal *w)	2672	ev_signal_start (EV_P_ ev_signal *w)
2416	{	2673	{
2417	#if EV_MULTIPLICITY
2418	assert (("libev: signal watchers are only supported in the default loop", loop == ev_default_loop_ptr));
2419	#endif
2420	if (expect_false (ev_is_active (w)))	2674	if (expect_false (ev_is_active (w)))
2421	return;	2675	return;
2422		2676
2423	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0));	2677	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));
2424		2678
2425	evpipe_init (EV_A);	2679	#if EV_MULTIPLICITY
		2680	assert (("libev: a signal must not be attached to two different loops",
		2681	!signals [w->signum - 1].loop \|\| signals [w->signum - 1].loop == loop));
2426		2682
2427	EV_FREQUENT_CHECK;	2683	signals [w->signum - 1].loop = EV_A;
		2684	#endif
2428		2685
		2686	EV_FREQUENT_CHECK;
		2687
		2688	#if EV_USE_SIGNALFD
		2689	if (sigfd == -2)
2429	{	2690	{
2430	#ifndef _WIN32	2691	sigfd = signalfd (-1, &sigfd_set, SFD_NONBLOCK \| SFD_CLOEXEC);
2431	sigset_t full, prev;	2692	if (sigfd < 0 && errno == EINVAL)
2432	sigfillset (&full);	2693	sigfd = signalfd (-1, &sigfd_set, 0); /* retry without flags */
2433	sigprocmask (SIG_SETMASK, &full, &prev);
2434	#endif
2435		2694
2436	array_needsize (ANSIG, signals, signalmax, w->signum, array_init_zero);	2695	if (sigfd >= 0)
		2696	{
		2697	fd_intern (sigfd); /* doing it twice will not hurt */
2437		2698
2438	#ifndef _WIN32	2699	sigemptyset (&sigfd_set);
2439	sigprocmask (SIG_SETMASK, &prev, 0);	2700
2440	#endif	2701	ev_io_init (&sigfd_w, sigfdcb, sigfd, EV_READ);
		2702	ev_set_priority (&sigfd_w, EV_MAXPRI);
		2703	ev_io_start (EV_A_ &sigfd_w);
		2704	ev_unref (EV_A); /* signalfd watcher should not keep loop alive */
		2705	}
2441	}	2706	}
		2707
		2708	if (sigfd >= 0)
		2709	{
		2710	/* TODO: check .head */
		2711	sigaddset (&sigfd_set, w->signum);
		2712	sigprocmask (SIG_BLOCK, &sigfd_set, 0);
		2713
		2714	signalfd (sigfd, &sigfd_set, 0);
		2715	}
		2716	#endif
2442		2717
2443	ev_start (EV_A_ (W)w, 1);	2718	ev_start (EV_A_ (W)w, 1);
2444	wlist_add (&signals [w->signum - 1].head, (WL)w);	2719	wlist_add (&signals [w->signum - 1].head, (WL)w);
2445		2720
2446	if (!((WL)w)->next)	2721	if (!((WL)w)->next)
		2722	# if EV_USE_SIGNALFD
		2723	if (sigfd < 0) /TODO/
		2724	# endif
2447	{	2725	{
2448	#if _WIN32	2726	# if _WIN32
2449	signal (w->signum, ev_sighandler);	2727	signal (w->signum, ev_sighandler);
2450	#else	2728	# else
2451	struct sigaction sa;	2729	struct sigaction sa;
		2730
		2731	evpipe_init (EV_A);
		2732
2452	sa.sa_handler = ev_sighandler;	2733	sa.sa_handler = ev_sighandler;
2453	sigfillset (&sa.sa_mask);	2734	sigfillset (&sa.sa_mask);
2454	sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */	2735	sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */
2455	sigaction (w->signum, &sa, 0);	2736	sigaction (w->signum, &sa, 0);
		2737
		2738	sigemptyset (&sa.sa_mask);
		2739	sigaddset (&sa.sa_mask, w->signum);
		2740	sigprocmask (SIG_UNBLOCK, &sa.sa_mask, 0);
2456	#endif	2741	#endif
2457	}	2742	}
2458		2743
2459	EV_FREQUENT_CHECK;	2744	EV_FREQUENT_CHECK;
2460	}	2745	}
2461		2746
2462	void noinline	2747	void noinline
…		…
2470		2755
2471	wlist_del (&signals [w->signum - 1].head, (WL)w);	2756	wlist_del (&signals [w->signum - 1].head, (WL)w);
2472	ev_stop (EV_A_ (W)w);	2757	ev_stop (EV_A_ (W)w);
2473		2758
2474	if (!signals [w->signum - 1].head)	2759	if (!signals [w->signum - 1].head)
		2760	{
		2761	#if EV_MULTIPLICITY
		2762	signals [w->signum - 1].loop = 0; /* unattach from signal */
		2763	#endif
		2764	#if EV_USE_SIGNALFD
		2765	if (sigfd >= 0)
		2766	{
		2767	sigprocmask (SIG_UNBLOCK, &sigfd_set, 0);//D
		2768	sigdelset (&sigfd_set, w->signum);
		2769	signalfd (sigfd, &sigfd_set, 0);
		2770	sigprocmask (SIG_BLOCK, &sigfd_set, 0);//D
		2771	/TODO: maybe unblock signal? /
		2772	}
		2773	else
		2774	#endif
2475	signal (w->signum, SIG_DFL);	2775	signal (w->signum, SIG_DFL);
		2776	}
2476		2777
2477	EV_FREQUENT_CHECK;	2778	EV_FREQUENT_CHECK;
2478	}	2779	}
2479		2780
2480	void	2781	void
…		…
2560	}	2861	}
2561	}	2862	}
2562		2863
2563	if (w->wd >= 0)	2864	if (w->wd >= 0)
2564	{	2865	{
		2866	struct statfs sfs;
		2867
2565	wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w);	2868	wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w);
2566		2869
2567	/* now local changes will be tracked by inotify, but remote changes won't */	2870	/* now local changes will be tracked by inotify, but remote changes won't */
2568	/* unless the filesystem it known to be local, we therefore still poll */	2871	/* unless the filesystem it known to be local, we therefore still poll */
2569	/* also do poll on <2.6.25, but with normal frequency */	2872	/* also do poll on <2.6.25, but with normal frequency */
2570	struct statfs sfs;
2571		2873
2572	if (fs_2625 && !statfs (w->path, &sfs))	2874	if (fs_2625 && !statfs (w->path, &sfs))
2573	if (sfs.f_type == 0x1373 /* devfs */	2875	if (sfs.f_type == 0x1373 /* devfs */
2574	\|\| sfs.f_type == 0xEF53 /* ext2/3 */	2876	\|\| sfs.f_type == 0xEF53 /* ext2/3 */
2575	\|\| sfs.f_type == 0x3153464a /* jfs */	2877	\|\| sfs.f_type == 0x3153464a /* jfs */
…		…
2960	embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents)	3262	embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents)
2961	{	3263	{
2962	ev_embed w = (ev_embed )(((char *)prepare) - offsetof (ev_embed, prepare));	3264	ev_embed w = (ev_embed )(((char *)prepare) - offsetof (ev_embed, prepare));
2963		3265
2964	{	3266	{
2965	struct ev_loop *loop = w->other;	3267	EV_P = w->other;
2966		3268
2967	while (fdchangecnt)	3269	while (fdchangecnt)
2968	{	3270	{
2969	fd_reify (EV_A);	3271	fd_reify (EV_A);
2970	ev_loop (EV_A_ EVLOOP_NONBLOCK);	3272	ev_loop (EV_A_ EVLOOP_NONBLOCK);
…		…
2978	ev_embed w = (ev_embed )(((char *)fork_w) - offsetof (ev_embed, fork));	3280	ev_embed w = (ev_embed )(((char *)fork_w) - offsetof (ev_embed, fork));
2979		3281
2980	ev_embed_stop (EV_A_ w);	3282	ev_embed_stop (EV_A_ w);
2981		3283
2982	{	3284	{
2983	struct ev_loop *loop = w->other;	3285	EV_P = w->other;
2984		3286
2985	ev_loop_fork (EV_A);	3287	ev_loop_fork (EV_A);
2986	ev_loop (EV_A_ EVLOOP_NONBLOCK);	3288	ev_loop (EV_A_ EVLOOP_NONBLOCK);
2987	}	3289	}
2988		3290
…		…
3002	{	3304	{
3003	if (expect_false (ev_is_active (w)))	3305	if (expect_false (ev_is_active (w)))
3004	return;	3306	return;
3005		3307
3006	{	3308	{
3007	struct ev_loop *loop = w->other;	3309	EV_P = w->other;
3008	assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ()));	3310	assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ()));
3009	ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ);	3311	ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ);
3010	}	3312	}
3011		3313
3012	EV_FREQUENT_CHECK;	3314	EV_FREQUENT_CHECK;
…		…
3124		3426
3125	void	3427	void
3126	ev_async_send (EV_P_ ev_async *w)	3428	ev_async_send (EV_P_ ev_async *w)
3127	{	3429	{
3128	w->sent = 1;	3430	w->sent = 1;
3129	evpipe_write (EV_A_ &gotasync);	3431	evpipe_write (EV_A_ &async_pending);
3130	}	3432	}
3131	#endif	3433	#endif
3132		3434
3133	/*****************************************************************************/	3435	/*****************************************************************************/
3134		3436
…		…
3198	}	3500	}
3199	}	3501	}
3200		3502
3201	/*****************************************************************************/	3503	/*****************************************************************************/
3202		3504
3203	#if 0	3505	#if EV_WALK_ENABLE
3204	void	3506	void
3205	ev_walk (EV_P_ int types, void (cb)(EV_P_ int type, void w))	3507	ev_walk (EV_P_ int types, void (cb)(EV_P_ int type, void w))
3206	{	3508	{
3207	int i, j;	3509	int i, j;
3208	ev_watcher_list wl, wn;	3510	ev_watcher_list wl, wn;
…		…
3224	#if EV_USE_INOTIFY	3526	#if EV_USE_INOTIFY
3225	if (ev_cb ((ev_io *)wl) == infy_cb)	3527	if (ev_cb ((ev_io *)wl) == infy_cb)
3226	;	3528	;
3227	else	3529	else
3228	#endif	3530	#endif
3229	if ((ev_io *)wl != &pipeev)	3531	if ((ev_io *)wl != &pipe_w)
3230	if (types & EV_IO)	3532	if (types & EV_IO)
3231	cb (EV_A_ EV_IO, wl);	3533	cb (EV_A_ EV_IO, wl);
3232		3534
3233	wl = wn;	3535	wl = wn;
3234	}	3536	}
…		…
3283	if (types & EV_CHECK)	3585	if (types & EV_CHECK)
3284	for (i = checkcnt; i--; )	3586	for (i = checkcnt; i--; )
3285	cb (EV_A_ EV_CHECK, checks [i]);	3587	cb (EV_A_ EV_CHECK, checks [i]);
3286		3588
3287	if (types & EV_SIGNAL)	3589	if (types & EV_SIGNAL)
3288	for (i = 0; i < signalmax; ++i)	3590	for (i = 0; i < EV_NSIG - 1; ++i)
3289	for (wl = signals [i].head; wl; )	3591	for (wl = signals [i].head; wl; )
3290	{	3592	{
3291	wn = wl->next;	3593	wn = wl->next;
3292	cb (EV_A_ EV_SIGNAL, wl);	3594	cb (EV_A_ EV_SIGNAL, wl);
3293	wl = wn;	3595	wl = wn;

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Comparing libev/ev.c (file contents): Revision 1.285 by root, Wed Apr 15 19:35:53 2009 UTC vs. Revision 1.312 by root, Wed Aug 12 18:48:17 2009 UTC

Diff Legend

Comparing libev/ev.c (file contents):
Revision 1.285 by root, Wed Apr 15 19:35:53 2009 UTC vs.
Revision 1.312 by root, Wed Aug 12 18:48:17 2009 UTC