ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/libev/ev.c

Comparing libev/ev.c (file contents):
Revision 1.287 by root, Mon Apr 20 19:45:58 2009 UTC vs.
Revision 1.309 by root, Sun Jul 26 04:24:17 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	# define EFD_CLOEXEC O_CLOEXEC
		392	# endif
337	# ifdef __cplusplus	393	# ifdef __cplusplus
338	extern "C" {	394	extern "C" {
339	# endif	395	# endif
340	int eventfd (unsigned int initval, int flags);	396	int eventfd (unsigned int initval, int flags);
341	# ifdef __cplusplus	397	# ifdef __cplusplus
342	}	398	}
343	# endif	399	# endif
		400	#endif
		401
		402	#if EV_USE_SIGNALFD
		403	# include <sys/signalfd.h>
344	#endif	404	#endif
345		405
346	/**/	406	/**/
347		407
348	#if EV_VERIFY >= 3	408	#if EV_VERIFY >= 3
…		…
384	# define inline_speed static noinline	444	# define inline_speed static noinline
385	#else	445	#else
386	# define inline_speed static inline	446	# define inline_speed static inline
387	#endif	447	#endif
388		448
389	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)	449	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
		450
		451	#if EV_MINPRI == EV_MAXPRI
		452	# define ABSPRI(w) (((W)w), 0)
		453	#else
390	#define ABSPRI(w) (((W)w)->priority - EV_MINPRI)	454	# define ABSPRI(w) (((W)w)->priority - EV_MINPRI)
		455	#endif
391		456
392	#define EMPTY /* required for microsofts broken pseudo-c compiler */	457	#define EMPTY /* required for microsofts broken pseudo-c compiler */
393	#define EMPTY2(a,b) /* used to suppress some warnings */	458	#define EMPTY2(a,b) /* used to suppress some warnings */
394		459
395	typedef ev_watcher *W;	460	typedef ev_watcher *W;
…		…
478	#define ev_malloc(size) ev_realloc (0, (size))	543	#define ev_malloc(size) ev_realloc (0, (size))
479	#define ev_free(ptr) ev_realloc ((ptr), 0)	544	#define ev_free(ptr) ev_realloc ((ptr), 0)
480		545
481	/*****************************************************************************/	546	/*****************************************************************************/
482		547
		548	/* set in reify when reification needed */
		549	#define EV_ANFD_REIFY 1
		550
		551	/* file descriptor info structure */
483	typedef struct	552	typedef struct
484	{	553	{
485	WL head;	554	WL head;
486	unsigned char events;	555	unsigned char events; /* the events watched for */
487	unsigned char reify;	556	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 */	557	unsigned char emask; /* the epoll backend stores the actual kernel mask in here */
489	unsigned char unused;	558	unsigned char unused;
490	#if EV_USE_EPOLL	559	#if EV_USE_EPOLL
491	unsigned int egen; /* generation counter to counter epoll bugs */	560	unsigned int egen; /* generation counter to counter epoll bugs */
492	#endif	561	#endif
493	#if EV_SELECT_IS_WINSOCKET	562	#if EV_SELECT_IS_WINSOCKET
494	SOCKET handle;	563	SOCKET handle;
495	#endif	564	#endif
496	} ANFD;	565	} ANFD;
497		566
		567	/* stores the pending event set for a given watcher */
498	typedef struct	568	typedef struct
499	{	569	{
500	W w;	570	W w;
501	int events;	571	int events; /* the pending event set for the given watcher */
502	} ANPENDING;	572	} ANPENDING;
503		573
504	#if EV_USE_INOTIFY	574	#if EV_USE_INOTIFY
505	/* hash table entry per inotify-id */	575	/* hash table entry per inotify-id */
506	typedef struct	576	typedef struct
…		…
509	} ANFS;	579	} ANFS;
510	#endif	580	#endif
511		581
512	/* Heap Entry */	582	/* Heap Entry */
513	#if EV_HEAP_CACHE_AT	583	#if EV_HEAP_CACHE_AT
		584	/* a heap element */
514	typedef struct {	585	typedef struct {
515	ev_tstamp at;	586	ev_tstamp at;
516	WT w;	587	WT w;
517	} ANHE;	588	} ANHE;
518		589
519	#define ANHE_w(he) (he).w /* access watcher, read-write */	590	#define ANHE_w(he) (he).w /* access watcher, read-write */
520	#define ANHE_at(he) (he).at /* access cached at, read-only */	591	#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 */	592	#define ANHE_at_cache(he) (he).at = (he).w->at /* update at from watcher */
522	#else	593	#else
		594	/* a heap element */
523	typedef WT ANHE;	595	typedef WT ANHE;
524		596
525	#define ANHE_w(he) (he)	597	#define ANHE_w(he) (he)
526	#define ANHE_at(he) (he)->at	598	#define ANHE_at(he) (he)->at
527	#define ANHE_at_cache(he)	599	#define ANHE_at_cache(he)
…		…
551		623
552	static int ev_default_loop_ptr;	624	static int ev_default_loop_ptr;
553		625
554	#endif	626	#endif
555		627
		628	#if EV_MINIMAL < 2
		629	# define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A)
		630	# define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A)
		631	# define EV_INVOKE_PENDING invoke_cb (EV_A)
		632	#else
		633	# define EV_RELEASE_CB (void)0
		634	# define EV_ACQUIRE_CB (void)0
		635	# define EV_INVOKE_PENDING ev_invoke_pending (EV_A)
		636	#endif
		637
		638	#define EVUNLOOP_RECURSE 0x80
		639
556	/*****************************************************************************/	640	/*****************************************************************************/
557		641
		642	#ifndef EV_HAVE_EV_TIME
558	ev_tstamp	643	ev_tstamp
559	ev_time (void)	644	ev_time (void)
560	{	645	{
561	#if EV_USE_REALTIME	646	#if EV_USE_REALTIME
562	if (expect_true (have_realtime))	647	if (expect_true (have_realtime))
…		…
569		654
570	struct timeval tv;	655	struct timeval tv;
571	gettimeofday (&tv, 0);	656	gettimeofday (&tv, 0);
572	return tv.tv_sec + tv.tv_usec * 1e-6;	657	return tv.tv_sec + tv.tv_usec * 1e-6;
573	}	658	}
		659	#endif
574		660
575	inline_size ev_tstamp	661	inline_size ev_tstamp
576	get_clock (void)	662	get_clock (void)
577	{	663	{
578	#if EV_USE_MONOTONIC	664	#if EV_USE_MONOTONIC
…		…
614		700
615	tv.tv_sec = (time_t)delay;	701	tv.tv_sec = (time_t)delay;
616	tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6);	702	tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6);
617		703
618	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */	704	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */
619	/* somehting nto guaranteed by newer posix versions, but guaranteed */	705	/* something not guaranteed by newer posix versions, but guaranteed */
620	/* by older ones */	706	/* by older ones */
621	select (0, 0, 0, 0, &tv);	707	select (0, 0, 0, 0, &tv);
622	#endif	708	#endif
623	}	709	}
624	}	710	}
625		711
626	/*****************************************************************************/	712	/*****************************************************************************/
627		713
628	#define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */	714	#define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */
629		715
		716	/* find a suitable new size for the given array, */
		717	/* hopefully by rounding to a ncie-to-malloc size */
630	inline_size int	718	inline_size int
631	array_nextsize (int elem, int cur, int cnt)	719	array_nextsize (int elem, int cur, int cnt)
632	{	720	{
633	int ncur = cur + 1;	721	int ncur = cur + 1;
634		722
…		…
680	#define array_free(stem, idx) \	768	#define array_free(stem, idx) \
681	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0	769	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0
682		770
683	/*****************************************************************************/	771	/*****************************************************************************/
684		772
		773	/* dummy callback for pending events */
		774	static void noinline
		775	pendingcb (EV_P_ ev_prepare *w, int revents)
		776	{
		777	}
		778
685	void noinline	779	void noinline
686	ev_feed_event (EV_P_ void *w, int revents)	780	ev_feed_event (EV_P_ void *w, int revents)
687	{	781	{
688	W w_ = (W)w;	782	W w_ = (W)w;
689	int pri = ABSPRI (w_);	783	int pri = ABSPRI (w_);
…		…
724	}	818	}
725		819
726	/*****************************************************************************/	820	/*****************************************************************************/
727		821
728	inline_speed void	822	inline_speed void
729	fd_event (EV_P_ int fd, int revents)	823	fd_event_nc (EV_P_ int fd, int revents)
730	{	824	{
731	ANFD *anfd = anfds + fd;	825	ANFD *anfd = anfds + fd;
732	ev_io *w;	826	ev_io *w;
733		827
734	for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next)	828	for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next)
…		…
738	if (ev)	832	if (ev)
739	ev_feed_event (EV_A_ (W)w, ev);	833	ev_feed_event (EV_A_ (W)w, ev);
740	}	834	}
741	}	835	}
742		836
		837	/* do not submit kernel events for fds that have reify set */
		838	/* because that means they changed while we were polling for new events */
		839	inline_speed void
		840	fd_event (EV_P_ int fd, int revents)
		841	{
		842	ANFD *anfd = anfds + fd;
		843
		844	if (expect_true (!anfd->reify))
		845	fd_event_nc (EV_A_ fd, revents);
		846	}
		847
743	void	848	void
744	ev_feed_fd_event (EV_P_ int fd, int revents)	849	ev_feed_fd_event (EV_P_ int fd, int revents)
745	{	850	{
746	if (fd >= 0 && fd < anfdmax)	851	if (fd >= 0 && fd < anfdmax)
747	fd_event (EV_A_ fd, revents);	852	fd_event_nc (EV_A_ fd, revents);
748	}	853	}
749		854
		855	/* make sure the external fd watch events are in-sync */
		856	/* with the kernel/libev internal state */
750	inline_size void	857	inline_size void
751	fd_reify (EV_P)	858	fd_reify (EV_P)
752	{	859	{
753	int i;	860	int i;
754		861
…		…
789	}	896	}
790		897
791	fdchangecnt = 0;	898	fdchangecnt = 0;
792	}	899	}
793		900
		901	/* something about the given fd changed */
794	inline_size void	902	inline_size void
795	fd_change (EV_P_ int fd, int flags)	903	fd_change (EV_P_ int fd, int flags)
796	{	904	{
797	unsigned char reify = anfds [fd].reify;	905	unsigned char reify = anfds [fd].reify;
798	anfds [fd].reify |= flags;	906	anfds [fd].reify |= flags;
…		…
803	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2);	911	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2);
804	fdchanges [fdchangecnt - 1] = fd;	912	fdchanges [fdchangecnt - 1] = fd;
805	}	913	}
806	}	914	}
807		915
		916	/* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */
808	inline_speed void	917	inline_speed void
809	fd_kill (EV_P_ int fd)	918	fd_kill (EV_P_ int fd)
810	{	919	{
811	ev_io *w;	920	ev_io *w;
812		921
…		…
815	ev_io_stop (EV_A_ w);	924	ev_io_stop (EV_A_ w);
816	ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE);	925	ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE);
817	}	926	}
818	}	927	}
819		928
		929	/* check whether the given fd is atcually valid, for error recovery */
820	inline_size int	930	inline_size int
821	fd_valid (int fd)	931	fd_valid (int fd)
822	{	932	{
823	#ifdef _WIN32	933	#ifdef _WIN32
824	return _get_osfhandle (fd) != -1;	934	return _get_osfhandle (fd) != -1;
…		…
847		957
848	for (fd = anfdmax; fd--; )	958	for (fd = anfdmax; fd--; )
849	if (anfds [fd].events)	959	if (anfds [fd].events)
850	{	960	{
851	fd_kill (EV_A_ fd);	961	fd_kill (EV_A_ fd);
852	return;	962	break;
853	}	963	}
854	}	964	}
855		965
856	/* usually called after fork if backend needs to re-arm all fds from scratch */	966	/* usually called after fork if backend needs to re-arm all fds from scratch */
857	static void noinline	967	static void noinline
…		…
862	for (fd = 0; fd < anfdmax; ++fd)	972	for (fd = 0; fd < anfdmax; ++fd)
863	if (anfds [fd].events)	973	if (anfds [fd].events)
864	{	974	{
865	anfds [fd].events = 0;	975	anfds [fd].events = 0;
866	anfds [fd].emask = 0;	976	anfds [fd].emask = 0;
867	fd_change (EV_A_ fd, EV__IOFDSET | 1);	977	fd_change (EV_A_ fd, EV__IOFDSET | EV_ANFD_REIFY);
868	}	978	}
869	}	979	}
870		980
871	/*****************************************************************************/	981	/*****************************************************************************/
872		982
…		…
947		1057
948	for (;;)	1058	for (;;)
949	{	1059	{
950	int c = k << 1;	1060	int c = k << 1;
951		1061
952	if (c > N + HEAP0 - 1)	1062	if (c >= N + HEAP0)
953	break;	1063	break;
954		1064
955	c += c + 1 < N + HEAP0 && ANHE_at (heap [c]) > ANHE_at (heap [c + 1])	1065	c += c + 1 < N + HEAP0 && ANHE_at (heap [c]) > ANHE_at (heap [c + 1])
956	? 1 : 0;	1066	? 1 : 0;
957		1067
…		…
989		1099
990	heap [k] = he;	1100	heap [k] = he;
991	ev_active (ANHE_w (he)) = k;	1101	ev_active (ANHE_w (he)) = k;
992	}	1102	}
993		1103
		1104	/* move an element suitably so it is in a correct place */
994	inline_size void	1105	inline_size void
995	adjustheap (ANHE *heap, int N, int k)	1106	adjustheap (ANHE *heap, int N, int k)
996	{	1107	{
997	if (k > HEAP0 && ANHE_at (heap [HPARENT (k)]) >= ANHE_at (heap [k]))	1108	if (k > HEAP0 && ANHE_at (heap [HPARENT (k)]) >= ANHE_at (heap [k]))
998	upheap (heap, k);	1109	upheap (heap, k);
…		…
1012	upheap (heap, i + HEAP0);	1123	upheap (heap, i + HEAP0);
1013	}	1124	}
1014		1125
1015	/*****************************************************************************/	1126	/*****************************************************************************/
1016		1127
		1128	/* associate signal watchers to a signal signal */
1017	typedef struct	1129	typedef struct
1018	{	1130	{
		1131	EV_ATOMIC_T pending;
		1132	#if EV_MULTIPLICITY
		1133	EV_P;
		1134	#endif
1019	WL head;	1135	WL head;
1020	EV_ATOMIC_T gotsig;
1021	} ANSIG;	1136	} ANSIG;
1022		1137
1023	static ANSIG *signals;	1138	static ANSIG signals [EV_NSIG - 1];
1024	static int signalmax;
1025
1026	static EV_ATOMIC_T gotsig;
1027		1139
1028	/*****************************************************************************/	1140	/*****************************************************************************/
1029		1141
		1142	/* used to prepare libev internal fd's */
		1143	/* this is not fork-safe */
1030	inline_speed void	1144	inline_speed void
1031	fd_intern (int fd)	1145	fd_intern (int fd)
1032	{	1146	{
1033	#ifdef _WIN32	1147	#ifdef _WIN32
1034	unsigned long arg = 1;	1148	unsigned long arg = 1;
…		…
1040	}	1154	}
1041		1155
1042	static void noinline	1156	static void noinline
1043	evpipe_init (EV_P)	1157	evpipe_init (EV_P)
1044	{	1158	{
1045	if (!ev_is_active (&pipeev))	1159	if (!ev_is_active (&pipe_w))
1046	{	1160	{
1047	#if EV_USE_EVENTFD	1161	#if EV_USE_EVENTFD
		1162	evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC);
		1163	if (evfd < 0 && errno == EINVAL)
1048	if ((evfd = eventfd (0, 0)) >= 0)	1164	evfd = eventfd (0, 0);
		1165
		1166	if (evfd >= 0)
1049	{	1167	{
1050	evpipe [0] = -1;	1168	evpipe [0] = -1;
1051	fd_intern (evfd);	1169	fd_intern (evfd); /* doing it twice doesn't hurt */
1052	ev_io_set (&pipeev, evfd, EV_READ);	1170	ev_io_set (&pipe_w, evfd, EV_READ);
1053	}	1171	}
1054	else	1172	else
1055	#endif	1173	#endif
1056	{	1174	{
1057	while (pipe (evpipe))	1175	while (pipe (evpipe))
1058	ev_syserr ("(libev) error creating signal/async pipe");	1176	ev_syserr ("(libev) error creating signal/async pipe");
1059		1177
1060	fd_intern (evpipe [0]);	1178	fd_intern (evpipe [0]);
1061	fd_intern (evpipe [1]);	1179	fd_intern (evpipe [1]);
1062	ev_io_set (&pipeev, evpipe [0], EV_READ);	1180	ev_io_set (&pipe_w, evpipe [0], EV_READ);
1063	}	1181	}
1064		1182
1065	ev_io_start (EV_A_ &pipeev);	1183	ev_io_start (EV_A_ &pipe_w);
1066	ev_unref (EV_A); /* watcher should not keep loop alive */	1184	ev_unref (EV_A); /* watcher should not keep loop alive */
1067	}	1185	}
1068	}	1186	}
1069		1187
1070	inline_size void	1188	inline_size void
…		…
1088		1206
1089	errno = old_errno;	1207	errno = old_errno;
1090	}	1208	}
1091	}	1209	}
1092		1210
		1211	/* called whenever the libev signal pipe */
		1212	/* got some events (signal, async) */
1093	static void	1213	static void
1094	pipecb (EV_P_ ev_io *iow, int revents)	1214	pipecb (EV_P_ ev_io *iow, int revents)
1095	{	1215	{
		1216	int i;
		1217
1096	#if EV_USE_EVENTFD	1218	#if EV_USE_EVENTFD
1097	if (evfd >= 0)	1219	if (evfd >= 0)
1098	{	1220	{
1099	uint64_t counter;	1221	uint64_t counter;
1100	read (evfd, &counter, sizeof (uint64_t));	1222	read (evfd, &counter, sizeof (uint64_t));
…		…
1104	{	1226	{
1105	char dummy;	1227	char dummy;
1106	read (evpipe [0], &dummy, 1);	1228	read (evpipe [0], &dummy, 1);
1107	}	1229	}
1108		1230
1109	if (gotsig && ev_is_default_loop (EV_A))	1231	if (sig_pending)
1110	{	1232	{
1111	int signum;	1233	sig_pending = 0;
1112	gotsig = 0;
1113		1234
1114	for (signum = signalmax; signum--; )	1235	for (i = EV_NSIG - 1; i--; )
1115	if (signals [signum].gotsig)	1236	if (expect_false (signals [i].pending))
1116	ev_feed_signal_event (EV_A_ signum + 1);	1237	ev_feed_signal_event (EV_A_ i + 1);
1117	}	1238	}
1118		1239
1119	#if EV_ASYNC_ENABLE	1240	#if EV_ASYNC_ENABLE
1120	if (gotasync)	1241	if (async_pending)
1121	{	1242	{
1122	int i;	1243	async_pending = 0;
1123	gotasync = 0;
1124		1244
1125	for (i = asynccnt; i--; )	1245	for (i = asynccnt; i--; )
1126	if (asyncs [i]->sent)	1246	if (asyncs [i]->sent)
1127	{	1247	{
1128	asyncs [i]->sent = 0;	1248	asyncs [i]->sent = 0;
…		…
1136		1256
1137	static void	1257	static void
1138	ev_sighandler (int signum)	1258	ev_sighandler (int signum)
1139	{	1259	{
1140	#if EV_MULTIPLICITY	1260	#if EV_MULTIPLICITY
1141	struct ev_loop *loop = &default_loop_struct;	1261	EV_P = signals [signum - 1].loop;
1142	#endif	1262	#endif
1143		1263
1144	#if _WIN32	1264	#if _WIN32
1145	signal (signum, ev_sighandler);	1265	signal (signum, ev_sighandler);
1146	#endif	1266	#endif
1147		1267
1148	signals [signum - 1].gotsig = 1;	1268	signals [signum - 1].pending = 1;
1149	evpipe_write (EV_A_ &gotsig);	1269	evpipe_write (EV_A_ &sig_pending);
1150	}	1270	}
1151		1271
1152	void noinline	1272	void noinline
1153	ev_feed_signal_event (EV_P_ int signum)	1273	ev_feed_signal_event (EV_P_ int signum)
1154	{	1274	{
1155	WL w;	1275	WL w;
1156		1276
		1277	if (expect_false (signum <= 0 || signum > EV_NSIG))
		1278	return;
		1279
		1280	--signum;
		1281
1157	#if EV_MULTIPLICITY	1282	#if EV_MULTIPLICITY
1158	assert (("libev: feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr));	1283	/* it is permissible to try to feed a signal to the wrong loop */
1159	#endif	1284	/* or, likely more useful, feeding a signal nobody is waiting for */
1160		1285
1161	--signum;	1286	if (expect_false (signals [signum].loop != EV_A))
1162
1163	if (signum < 0 || signum >= signalmax)
1164	return;	1287	return;
		1288	#endif
1165		1289
1166	signals [signum].gotsig = 0;	1290	signals [signum].pending = 0;
1167		1291
1168	for (w = signals [signum].head; w; w = w->next)	1292	for (w = signals [signum].head; w; w = w->next)
1169	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);	1293	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);
1170	}	1294	}
1171		1295
		1296	#if EV_USE_SIGNALFD
		1297	static void
		1298	sigfdcb (EV_P_ ev_io *iow, int revents)
		1299	{
		1300	struct signalfd_siginfo si[2], *sip; /* these structs are big */
		1301
		1302	for (;;)
		1303	{
		1304	ssize_t res = read (sigfd, si, sizeof (si));
		1305
		1306	/* not ISO-C, as res might be -1, but works with SuS */
		1307	for (sip = si; (char *)sip < (char *)si + res; ++sip)
		1308	ev_feed_signal_event (EV_A_ sip->ssi_signo);
		1309
		1310	if (res < (ssize_t)sizeof (si))
		1311	break;
		1312	}
		1313	}
		1314	#endif
		1315
1172	/*****************************************************************************/	1316	/*****************************************************************************/
1173		1317
1174	static WL childs [EV_PID_HASHSIZE];	1318	static WL childs [EV_PID_HASHSIZE];
1175		1319
1176	#ifndef _WIN32	1320	#ifndef _WIN32
…		…
1179		1323
1180	#ifndef WIFCONTINUED	1324	#ifndef WIFCONTINUED
1181	# define WIFCONTINUED(status) 0	1325	# define WIFCONTINUED(status) 0
1182	#endif	1326	#endif
1183		1327
		1328	/* handle a single child status event */
1184	inline_speed void	1329	inline_speed void
1185	child_reap (EV_P_ int chain, int pid, int status)	1330	child_reap (EV_P_ int chain, int pid, int status)
1186	{	1331	{
1187	ev_child *w;	1332	ev_child *w;
1188	int traced = WIFSTOPPED (status) || WIFCONTINUED (status);	1333	int traced = WIFSTOPPED (status) || WIFCONTINUED (status);
…		…
1202		1347
1203	#ifndef WCONTINUED	1348	#ifndef WCONTINUED
1204	# define WCONTINUED 0	1349	# define WCONTINUED 0
1205	#endif	1350	#endif
1206		1351
		1352	/* called on sigchld etc., calls waitpid */
1207	static void	1353	static void
1208	childcb (EV_P_ ev_signal *sw, int revents)	1354	childcb (EV_P_ ev_signal *sw, int revents)
1209	{	1355	{
1210	int pid, status;	1356	int pid, status;
1211		1357
…		…
1318	ev_backend (EV_P)	1464	ev_backend (EV_P)
1319	{	1465	{
1320	return backend;	1466	return backend;
1321	}	1467	}
1322		1468
		1469	#if EV_MINIMAL < 2
1323	unsigned int	1470	unsigned int
1324	ev_loop_count (EV_P)	1471	ev_loop_count (EV_P)
1325	{	1472	{
1326	return loop_count;	1473	return loop_count;
1327	}	1474	}
1328		1475
		1476	unsigned int
		1477	ev_loop_depth (EV_P)
		1478	{
		1479	return loop_depth;
		1480	}
		1481
1329	void	1482	void
1330	ev_set_io_collect_interval (EV_P_ ev_tstamp interval)	1483	ev_set_io_collect_interval (EV_P_ ev_tstamp interval)
1331	{	1484	{
1332	io_blocktime = interval;	1485	io_blocktime = interval;
1333	}	1486	}
…		…
1336	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval)	1489	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval)
1337	{	1490	{
1338	timeout_blocktime = interval;	1491	timeout_blocktime = interval;
1339	}	1492	}
1340		1493
		1494	void
		1495	ev_set_userdata (EV_P_ void *data)
		1496	{
		1497	userdata = data;
		1498	}
		1499
		1500	void *
		1501	ev_userdata (EV_P)
		1502	{
		1503	return userdata;
		1504	}
		1505
		1506	void ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P))
		1507	{
		1508	invoke_cb = invoke_pending_cb;
		1509	}
		1510
		1511	void ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P))
		1512	{
		1513	release_cb = release;
		1514	acquire_cb = acquire;
		1515	}
		1516	#endif
		1517
		1518	/* initialise a loop structure, must be zero-initialised */
1341	static void noinline	1519	static void noinline
1342	loop_init (EV_P_ unsigned int flags)	1520	loop_init (EV_P_ unsigned int flags)
1343	{	1521	{
1344	if (!backend)	1522	if (!backend)
1345	{	1523	{
…		…
1361	if (!clock_gettime (CLOCK_MONOTONIC, &ts))	1539	if (!clock_gettime (CLOCK_MONOTONIC, &ts))
1362	have_monotonic = 1;	1540	have_monotonic = 1;
1363	}	1541	}
1364	#endif	1542	#endif
1365		1543
		1544	/* pid check not overridable via env */
		1545	#ifndef _WIN32
		1546	if (flags & EVFLAG_FORKCHECK)
		1547	curpid = getpid ();
		1548	#endif
		1549
		1550	if (!(flags & EVFLAG_NOENV)
		1551	&& !enable_secure ()
		1552	&& getenv ("LIBEV_FLAGS"))
		1553	flags = atoi (getenv ("LIBEV_FLAGS"));
		1554
1366	ev_rt_now = ev_time ();	1555	ev_rt_now = ev_time ();
1367	mn_now = get_clock ();	1556	mn_now = get_clock ();
1368	now_floor = mn_now;	1557	now_floor = mn_now;
1369	rtmn_diff = ev_rt_now - mn_now;	1558	rtmn_diff = ev_rt_now - mn_now;
		1559	#if EV_MINIMAL < 2
		1560	invoke_cb = ev_invoke_pending;
		1561	#endif
1370		1562
1371	io_blocktime = 0.;	1563	io_blocktime = 0.;
1372	timeout_blocktime = 0.;	1564	timeout_blocktime = 0.;
1373	backend = 0;	1565	backend = 0;
1374	backend_fd = -1;	1566	backend_fd = -1;
1375	gotasync = 0;	1567	sig_pending = 0;
		1568	#if EV_ASYNC_ENABLE
		1569	async_pending = 0;
		1570	#endif
1376	#if EV_USE_INOTIFY	1571	#if EV_USE_INOTIFY
1377	fs_fd = -2;	1572	fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;
1378	#endif	1573	#endif
1379		1574	#if EV_USE_SIGNALFD
1380	/* pid check not overridable via env */	1575	sigfd = flags & EVFLAG_NOSIGFD ? -1 : -2;
1381	#ifndef _WIN32
1382	if (flags & EVFLAG_FORKCHECK)
1383	curpid = getpid ();
1384	#endif	1576	#endif
1385
1386	if (!(flags & EVFLAG_NOENV)
1387	&& !enable_secure ()
1388	&& getenv ("LIBEV_FLAGS"))
1389	flags = atoi (getenv ("LIBEV_FLAGS"));
1390		1577
1391	if (!(flags & 0x0000ffffU))	1578	if (!(flags & 0x0000ffffU))
1392	flags |= ev_recommended_backends ();	1579	flags |= ev_recommended_backends ();
1393		1580
1394	#if EV_USE_PORT	1581	#if EV_USE_PORT
…		…
1405	#endif	1592	#endif
1406	#if EV_USE_SELECT	1593	#if EV_USE_SELECT
1407	if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags);	1594	if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags);
1408	#endif	1595	#endif
1409		1596
		1597	ev_prepare_init (&pending_w, pendingcb);
		1598
1410	ev_init (&pipeev, pipecb);	1599	ev_init (&pipe_w, pipecb);
1411	ev_set_priority (&pipeev, EV_MAXPRI);	1600	ev_set_priority (&pipe_w, EV_MAXPRI);
1412	}	1601	}
1413	}	1602	}
1414		1603
		1604	/* free up a loop structure */
1415	static void noinline	1605	static void noinline
1416	loop_destroy (EV_P)	1606	loop_destroy (EV_P)
1417	{	1607	{
1418	int i;	1608	int i;
1419		1609
1420	if (ev_is_active (&pipeev))	1610	if (ev_is_active (&pipe_w))
1421	{	1611	{
1422	ev_ref (EV_A); /* signal watcher */	1612	/*ev_ref (EV_A);*/
1423	ev_io_stop (EV_A_ &pipeev);	1613	/*ev_io_stop (EV_A_ &pipe_w);*/
1424		1614
1425	#if EV_USE_EVENTFD	1615	#if EV_USE_EVENTFD
1426	if (evfd >= 0)	1616	if (evfd >= 0)
1427	close (evfd);	1617	close (evfd);
1428	#endif	1618	#endif
…		…
1432	close (evpipe [0]);	1622	close (evpipe [0]);
1433	close (evpipe [1]);	1623	close (evpipe [1]);
1434	}	1624	}
1435	}	1625	}
1436		1626
		1627	#if EV_USE_SIGNALFD
		1628	if (ev_is_active (&sigfd_w))
		1629	{
		1630	/*ev_ref (EV_A);*/
		1631	/*ev_io_stop (EV_A_ &sigfd_w);*/
		1632
		1633	close (sigfd);
		1634	}
		1635	#endif
		1636
1437	#if EV_USE_INOTIFY	1637	#if EV_USE_INOTIFY
1438	if (fs_fd >= 0)	1638	if (fs_fd >= 0)
1439	close (fs_fd);	1639	close (fs_fd);
1440	#endif	1640	#endif
1441		1641
…		…
1464	#if EV_IDLE_ENABLE	1664	#if EV_IDLE_ENABLE
1465	array_free (idle, [i]);	1665	array_free (idle, [i]);
1466	#endif	1666	#endif
1467	}	1667	}
1468		1668
1469	ev_free (anfds); anfdmax = 0;	1669	ev_free (anfds); anfds = 0; anfdmax = 0;
1470		1670
1471	/* have to use the microsoft-never-gets-it-right macro */	1671	/* have to use the microsoft-never-gets-it-right macro */
1472	array_free (rfeed, EMPTY);	1672	array_free (rfeed, EMPTY);
1473	array_free (fdchange, EMPTY);	1673	array_free (fdchange, EMPTY);
1474	array_free (timer, EMPTY);	1674	array_free (timer, EMPTY);
…		…
1505	#endif	1705	#endif
1506	#if EV_USE_INOTIFY	1706	#if EV_USE_INOTIFY
1507	infy_fork (EV_A);	1707	infy_fork (EV_A);
1508	#endif	1708	#endif
1509		1709
1510	if (ev_is_active (&pipeev))	1710	if (ev_is_active (&pipe_w))
1511	{	1711	{
1512	/* this "locks" the handlers against writing to the pipe */	1712	/* this "locks" the handlers against writing to the pipe */
1513	/* while we modify the fd vars */	1713	/* while we modify the fd vars */
1514	gotsig = 1;	1714	sig_pending = 1;
1515	#if EV_ASYNC_ENABLE	1715	#if EV_ASYNC_ENABLE
1516	gotasync = 1;	1716	async_pending = 1;
1517	#endif	1717	#endif
1518		1718
1519	ev_ref (EV_A);	1719	ev_ref (EV_A);
1520	ev_io_stop (EV_A_ &pipeev);	1720	ev_io_stop (EV_A_ &pipe_w);
1521		1721
1522	#if EV_USE_EVENTFD	1722	#if EV_USE_EVENTFD
1523	if (evfd >= 0)	1723	if (evfd >= 0)
1524	close (evfd);	1724	close (evfd);
1525	#endif	1725	#endif
…		…
1530	close (evpipe [1]);	1730	close (evpipe [1]);
1531	}	1731	}
1532		1732
1533	evpipe_init (EV_A);	1733	evpipe_init (EV_A);
1534	/* now iterate over everything, in case we missed something */	1734	/* now iterate over everything, in case we missed something */
1535	pipecb (EV_A_ &pipeev, EV_READ);	1735	pipecb (EV_A_ &pipe_w, EV_READ);
1536	}	1736	}
1537		1737
1538	postfork = 0;	1738	postfork = 0;
1539	}	1739	}
1540		1740
1541	#if EV_MULTIPLICITY	1741	#if EV_MULTIPLICITY
1542		1742
1543	struct ev_loop *	1743	struct ev_loop *
1544	ev_loop_new (unsigned int flags)	1744	ev_loop_new (unsigned int flags)
1545	{	1745	{
1546	struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));	1746	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
1547		1747
1548	memset (loop, 0, sizeof (struct ev_loop));	1748	memset (EV_A, 0, sizeof (struct ev_loop));
1549
1550	loop_init (EV_A_ flags);	1749	loop_init (EV_A_ flags);
1551		1750
1552	if (ev_backend (EV_A))	1751	if (ev_backend (EV_A))
1553	return loop;	1752	return EV_A;
1554		1753
1555	return 0;	1754	return 0;
1556	}	1755	}
1557		1756
1558	void	1757	void
…		…
1565	void	1764	void
1566	ev_loop_fork (EV_P)	1765	ev_loop_fork (EV_P)
1567	{	1766	{
1568	postfork = 1; /* must be in line with ev_default_fork */	1767	postfork = 1; /* must be in line with ev_default_fork */
1569	}	1768	}
		1769	#endif /* multiplicity */
1570		1770
1571	#if EV_VERIFY	1771	#if EV_VERIFY
1572	static void noinline	1772	static void noinline
1573	verify_watcher (EV_P_ W w)	1773	verify_watcher (EV_P_ W w)
1574	{	1774	{
…		…
1602	verify_watcher (EV_A_ ws [cnt]);	1802	verify_watcher (EV_A_ ws [cnt]);
1603	}	1803	}
1604	}	1804	}
1605	#endif	1805	#endif
1606		1806
		1807	#if EV_MINIMAL < 2
1607	void	1808	void
1608	ev_loop_verify (EV_P)	1809	ev_loop_verify (EV_P)
1609	{	1810	{
1610	#if EV_VERIFY	1811	#if EV_VERIFY
1611	int i;	1812	int i;
…		…
1660	assert (checkmax >= checkcnt);	1861	assert (checkmax >= checkcnt);
1661	array_verify (EV_A_ (W *)checks, checkcnt);	1862	array_verify (EV_A_ (W *)checks, checkcnt);
1662		1863
1663	# if 0	1864	# if 0
1664	for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next)	1865	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)	1866	for (signum = EV_NSIG; signum--; ) if (signals [signum].pending)
1666	# endif	1867	# endif
1667	#endif	1868	#endif
1668	}	1869	}
1669		1870	#endif
1670	#endif /* multiplicity */
1671		1871
1672	#if EV_MULTIPLICITY	1872	#if EV_MULTIPLICITY
1673	struct ev_loop *	1873	struct ev_loop *
1674	ev_default_loop_init (unsigned int flags)	1874	ev_default_loop_init (unsigned int flags)
1675	#else	1875	#else
…		…
1678	#endif	1878	#endif
1679	{	1879	{
1680	if (!ev_default_loop_ptr)	1880	if (!ev_default_loop_ptr)
1681	{	1881	{
1682	#if EV_MULTIPLICITY	1882	#if EV_MULTIPLICITY
1683	struct ev_loop *loop = ev_default_loop_ptr = &default_loop_struct;	1883	EV_P = ev_default_loop_ptr = &default_loop_struct;
1684	#else	1884	#else
1685	ev_default_loop_ptr = 1;	1885	ev_default_loop_ptr = 1;
1686	#endif	1886	#endif
1687		1887
1688	loop_init (EV_A_ flags);	1888	loop_init (EV_A_ flags);
…		…
1705		1905
1706	void	1906	void
1707	ev_default_destroy (void)	1907	ev_default_destroy (void)
1708	{	1908	{
1709	#if EV_MULTIPLICITY	1909	#if EV_MULTIPLICITY
1710	struct ev_loop *loop = ev_default_loop_ptr;	1910	EV_P = ev_default_loop_ptr;
1711	#endif	1911	#endif
1712		1912
1713	ev_default_loop_ptr = 0;	1913	ev_default_loop_ptr = 0;
1714		1914
1715	#ifndef _WIN32	1915	#ifndef _WIN32
…		…
1722		1922
1723	void	1923	void
1724	ev_default_fork (void)	1924	ev_default_fork (void)
1725	{	1925	{
1726	#if EV_MULTIPLICITY	1926	#if EV_MULTIPLICITY
1727	struct ev_loop *loop = ev_default_loop_ptr;	1927	EV_P = ev_default_loop_ptr;
1728	#endif	1928	#endif
1729		1929
1730	postfork = 1; /* must be in line with ev_loop_fork */	1930	postfork = 1; /* must be in line with ev_loop_fork */
1731	}	1931	}
1732		1932
…		…
1736	ev_invoke (EV_P_ void *w, int revents)	1936	ev_invoke (EV_P_ void *w, int revents)
1737	{	1937	{
1738	EV_CB_INVOKE ((W)w, revents);	1938	EV_CB_INVOKE ((W)w, revents);
1739	}	1939	}
1740		1940
1741	inline_speed void	1941	unsigned int
1742	call_pending (EV_P)	1942	ev_pending_count (EV_P)
		1943	{
		1944	int pri;
		1945	unsigned int count = 0;
		1946
		1947	for (pri = NUMPRI; pri--; )
		1948	count += pendingcnt [pri];
		1949
		1950	return count;
		1951	}
		1952
		1953	void noinline
		1954	ev_invoke_pending (EV_P)
1743	{	1955	{
1744	int pri;	1956	int pri;
1745		1957
1746	for (pri = NUMPRI; pri--; )	1958	for (pri = NUMPRI; pri--; )
1747	while (pendingcnt [pri])	1959	while (pendingcnt [pri])
1748	{	1960	{
1749	ANPENDING *p = pendings [pri] + --pendingcnt [pri];	1961	ANPENDING *p = pendings [pri] + --pendingcnt [pri];
1750		1962
1751	if (expect_true (p->w))
1752	{
1753	/*assert (("libev: non-pending watcher on pending list", p->w->pending));*/	1963	/*assert (("libev: non-pending watcher on pending list", p->w->pending));*/
		1964	/* ^ this is no longer true, as pending_w could be here */
1754		1965
1755	p->w->pending = 0;	1966	p->w->pending = 0;
1756	EV_CB_INVOKE (p->w, p->events);	1967	EV_CB_INVOKE (p->w, p->events);
1757	EV_FREQUENT_CHECK;	1968	EV_FREQUENT_CHECK;
1758	}
1759	}	1969	}
1760	}	1970	}
1761		1971
1762	#if EV_IDLE_ENABLE	1972	#if EV_IDLE_ENABLE
		1973	/* make idle watchers pending. this handles the "call-idle */
		1974	/* only when higher priorities are idle" logic */
1763	inline_size void	1975	inline_size void
1764	idle_reify (EV_P)	1976	idle_reify (EV_P)
1765	{	1977	{
1766	if (expect_false (idleall))	1978	if (expect_false (idleall))
1767	{	1979	{
…		…
1780	}	1992	}
1781	}	1993	}
1782	}	1994	}
1783	#endif	1995	#endif
1784		1996
		1997	/* make timers pending */
1785	inline_size void	1998	inline_size void
1786	timers_reify (EV_P)	1999	timers_reify (EV_P)
1787	{	2000	{
1788	EV_FREQUENT_CHECK;	2001	EV_FREQUENT_CHECK;
1789		2002
…		…
1818	feed_reverse_done (EV_A_ EV_TIMEOUT);	2031	feed_reverse_done (EV_A_ EV_TIMEOUT);
1819	}	2032	}
1820	}	2033	}
1821		2034
1822	#if EV_PERIODIC_ENABLE	2035	#if EV_PERIODIC_ENABLE
		2036	/* make periodics pending */
1823	inline_size void	2037	inline_size void
1824	periodics_reify (EV_P)	2038	periodics_reify (EV_P)
1825	{	2039	{
1826	EV_FREQUENT_CHECK;	2040	EV_FREQUENT_CHECK;
1827		2041
…		…
1874		2088
1875	feed_reverse_done (EV_A_ EV_PERIODIC);	2089	feed_reverse_done (EV_A_ EV_PERIODIC);
1876	}	2090	}
1877	}	2091	}
1878		2092
		2093	/* simply recalculate all periodics */
		2094	/* TODO: maybe ensure that at leats one event happens when jumping forward? */
1879	static void noinline	2095	static void noinline
1880	periodics_reschedule (EV_P)	2096	periodics_reschedule (EV_P)
1881	{	2097	{
1882	int i;	2098	int i;
1883		2099
…		…
1896		2112
1897	reheap (periodics, periodiccnt);	2113	reheap (periodics, periodiccnt);
1898	}	2114	}
1899	#endif	2115	#endif
1900		2116
		2117	/* adjust all timers by a given offset */
1901	static void noinline	2118	static void noinline
1902	timers_reschedule (EV_P_ ev_tstamp adjust)	2119	timers_reschedule (EV_P_ ev_tstamp adjust)
1903	{	2120	{
1904	int i;	2121	int i;
1905		2122
…		…
1909	ANHE_w (*he)->at += adjust;	2126	ANHE_w (*he)->at += adjust;
1910	ANHE_at_cache (*he);	2127	ANHE_at_cache (*he);
1911	}	2128	}
1912	}	2129	}
1913		2130
		2131	/* fetch new monotonic and realtime times from the kernel */
		2132	/* also detetc if there was a timejump, and act accordingly */
1914	inline_speed void	2133	inline_speed void
1915	time_update (EV_P_ ev_tstamp max_block)	2134	time_update (EV_P_ ev_tstamp max_block)
1916	{	2135	{
1917	int i;
1918
1919	#if EV_USE_MONOTONIC	2136	#if EV_USE_MONOTONIC
1920	if (expect_true (have_monotonic))	2137	if (expect_true (have_monotonic))
1921	{	2138	{
		2139	int i;
1922	ev_tstamp odiff = rtmn_diff;	2140	ev_tstamp odiff = rtmn_diff;
1923		2141
1924	mn_now = get_clock ();	2142	mn_now = get_clock ();
1925		2143
1926	/* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */	2144	/* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */
…		…
1976		2194
1977	mn_now = ev_rt_now;	2195	mn_now = ev_rt_now;
1978	}	2196	}
1979	}	2197	}
1980		2198
1981	static int loop_done;
1982
1983	void	2199	void
1984	ev_loop (EV_P_ int flags)	2200	ev_loop (EV_P_ int flags)
1985	{	2201	{
		2202	#if EV_MINIMAL < 2
		2203	++loop_depth;
		2204	#endif
		2205
		2206	assert (("libev: ev_loop recursion during release detected", loop_done != EVUNLOOP_RECURSE));
		2207
1986	loop_done = EVUNLOOP_CANCEL;	2208	loop_done = EVUNLOOP_CANCEL;
1987		2209
1988	call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */	2210	EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */
1989		2211
1990	do	2212	do
1991	{	2213	{
1992	#if EV_VERIFY >= 2	2214	#if EV_VERIFY >= 2
1993	ev_loop_verify (EV_A);	2215	ev_loop_verify (EV_A);
…		…
2006	/* we might have forked, so queue fork handlers */	2228	/* we might have forked, so queue fork handlers */
2007	if (expect_false (postfork))	2229	if (expect_false (postfork))
2008	if (forkcnt)	2230	if (forkcnt)
2009	{	2231	{
2010	queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);	2232	queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);
2011	call_pending (EV_A);	2233	EV_INVOKE_PENDING;
2012	}	2234	}
2013	#endif	2235	#endif
2014		2236
2015	/* queue prepare watchers (and execute them) */	2237	/* queue prepare watchers (and execute them) */
2016	if (expect_false (preparecnt))	2238	if (expect_false (preparecnt))
2017	{	2239	{
2018	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);	2240	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
2019	call_pending (EV_A);	2241	EV_INVOKE_PENDING;
2020	}	2242	}
		2243
		2244	if (expect_false (loop_done))
		2245	break;
2021		2246
2022	/* we might have forked, so reify kernel state if necessary */	2247	/* we might have forked, so reify kernel state if necessary */
2023	if (expect_false (postfork))	2248	if (expect_false (postfork))
2024	loop_fork (EV_A);	2249	loop_fork (EV_A);
2025		2250
…		…
2031	ev_tstamp waittime = 0.;	2256	ev_tstamp waittime = 0.;
2032	ev_tstamp sleeptime = 0.;	2257	ev_tstamp sleeptime = 0.;
2033		2258
2034	if (expect_true (!(flags & EVLOOP_NONBLOCK || idleall || !activecnt)))	2259	if (expect_true (!(flags & EVLOOP_NONBLOCK || idleall || !activecnt)))
2035	{	2260	{
		2261	/* remember old timestamp for io_blocktime calculation */
		2262	ev_tstamp prev_mn_now = mn_now;
		2263
2036	/* update time to cancel out callback processing overhead */	2264	/* update time to cancel out callback processing overhead */
2037	time_update (EV_A_ 1e100);	2265	time_update (EV_A_ 1e100);
2038		2266
2039	waittime = MAX_BLOCKTIME;	2267	waittime = MAX_BLOCKTIME;
2040		2268
…		…
2050	ev_tstamp to = ANHE_at (periodics [HEAP0]) - ev_rt_now + backend_fudge;	2278	ev_tstamp to = ANHE_at (periodics [HEAP0]) - ev_rt_now + backend_fudge;
2051	if (waittime > to) waittime = to;	2279	if (waittime > to) waittime = to;
2052	}	2280	}
2053	#endif	2281	#endif
2054		2282
		2283	/* don't let timeouts decrease the waittime below timeout_blocktime */
2055	if (expect_false (waittime < timeout_blocktime))	2284	if (expect_false (waittime < timeout_blocktime))
2056	waittime = timeout_blocktime;	2285	waittime = timeout_blocktime;
2057		2286
2058	sleeptime = waittime - backend_fudge;	2287	/* extra check because io_blocktime is commonly 0 */
2059
2060	if (expect_true (sleeptime > io_blocktime))	2288	if (expect_false (io_blocktime))
2061	sleeptime = io_blocktime;
2062
2063	if (sleeptime)
2064	{	2289	{
		2290	sleeptime = io_blocktime - (mn_now - prev_mn_now);
		2291
		2292	if (sleeptime > waittime - backend_fudge)
		2293	sleeptime = waittime - backend_fudge;
		2294
		2295	if (expect_true (sleeptime > 0.))
		2296	{
2065	ev_sleep (sleeptime);	2297	ev_sleep (sleeptime);
2066	waittime -= sleeptime;	2298	waittime -= sleeptime;
		2299	}
2067	}	2300	}
2068	}	2301	}
2069		2302
		2303	#if EV_MINIMAL < 2
2070	++loop_count;	2304	++loop_count;
		2305	#endif
		2306	assert ((loop_done = EVUNLOOP_RECURSE, 1)); /* assert for side effect */
2071	backend_poll (EV_A_ waittime);	2307	backend_poll (EV_A_ waittime);
		2308	assert ((loop_done = EVUNLOOP_CANCEL, 1)); /* assert for side effect */
2072		2309
2073	/* update ev_rt_now, do magic */	2310	/* update ev_rt_now, do magic */
2074	time_update (EV_A_ waittime + sleeptime);	2311	time_update (EV_A_ waittime + sleeptime);
2075	}	2312	}
2076		2313
…		…
2087		2324
2088	/* queue check watchers, to be executed first */	2325	/* queue check watchers, to be executed first */
2089	if (expect_false (checkcnt))	2326	if (expect_false (checkcnt))
2090	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);	2327	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
2091		2328
2092	call_pending (EV_A);	2329	EV_INVOKE_PENDING;
2093	}	2330	}
2094	while (expect_true (	2331	while (expect_true (
2095	activecnt	2332	activecnt
2096	&& !loop_done	2333	&& !loop_done
2097	&& !(flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK))	2334	&& !(flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK))
2098	));	2335	));
2099		2336
2100	if (loop_done == EVUNLOOP_ONE)	2337	if (loop_done == EVUNLOOP_ONE)
2101	loop_done = EVUNLOOP_CANCEL;	2338	loop_done = EVUNLOOP_CANCEL;
		2339
		2340	#if EV_MINIMAL < 2
		2341	--loop_depth;
		2342	#endif
2102	}	2343	}
2103		2344
2104	void	2345	void
2105	ev_unloop (EV_P_ int how)	2346	ev_unloop (EV_P_ int how)
2106	{	2347	{
…		…
2137	ev_tstamp mn_prev = mn_now;	2378	ev_tstamp mn_prev = mn_now;
2138		2379
2139	ev_now_update (EV_A);	2380	ev_now_update (EV_A);
2140	timers_reschedule (EV_A_ mn_now - mn_prev);	2381	timers_reschedule (EV_A_ mn_now - mn_prev);
2141	#if EV_PERIODIC_ENABLE	2382	#if EV_PERIODIC_ENABLE
		2383	/* TODO: really do this? */
2142	periodics_reschedule (EV_A);	2384	periodics_reschedule (EV_A);
2143	#endif	2385	#endif
2144	}	2386	}
2145		2387
2146	/*****************************************************************************/	2388	/*****************************************************************************/
		2389	/* singly-linked list management, used when the expected list length is short */
2147		2390
2148	inline_size void	2391	inline_size void
2149	wlist_add (WL *head, WL elem)	2392	wlist_add (WL *head, WL elem)
2150	{	2393	{
2151	elem->next = *head;	2394	elem->next = *head;
…		…
2155	inline_size void	2398	inline_size void
2156	wlist_del (WL *head, WL elem)	2399	wlist_del (WL *head, WL elem)
2157	{	2400	{
2158	while (*head)	2401	while (*head)
2159	{	2402	{
2160	if (*head == elem)	2403	if (expect_true (*head == elem))
2161	{	2404	{
2162	*head = elem->next;	2405	*head = elem->next;
2163	return;	2406	break;
2164	}	2407	}
2165		2408
2166	head = &(*head)->next;	2409	head = &(*head)->next;
2167	}	2410	}
2168	}	2411	}
2169		2412
		2413	/* internal, faster, version of ev_clear_pending */
2170	inline_speed void	2414	inline_speed void
2171	clear_pending (EV_P_ W w)	2415	clear_pending (EV_P_ W w)
2172	{	2416	{
2173	if (w->pending)	2417	if (w->pending)
2174	{	2418	{
2175	pendings [ABSPRI (w)][w->pending - 1].w = 0;	2419	pendings [ABSPRI (w)][w->pending - 1].w = (W)&pending_w;
2176	w->pending = 0;	2420	w->pending = 0;
2177	}	2421	}
2178	}	2422	}
2179		2423
2180	int	2424	int
…		…
2184	int pending = w_->pending;	2428	int pending = w_->pending;
2185		2429
2186	if (expect_true (pending))	2430	if (expect_true (pending))
2187	{	2431	{
2188	ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1;	2432	ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1;
		2433	p->w = (W)&pending_w;
2189	w_->pending = 0;	2434	w_->pending = 0;
2190	p->w = 0;
2191	return p->events;	2435	return p->events;
2192	}	2436	}
2193	else	2437	else
2194	return 0;	2438	return 0;
2195	}	2439	}
2196		2440
2197	inline_size void	2441	inline_size void
2198	pri_adjust (EV_P_ W w)	2442	pri_adjust (EV_P_ W w)
2199	{	2443	{
2200	int pri = w->priority;	2444	int pri = ev_priority (w);
2201	pri = pri < EV_MINPRI ? EV_MINPRI : pri;	2445	pri = pri < EV_MINPRI ? EV_MINPRI : pri;
2202	pri = pri > EV_MAXPRI ? EV_MAXPRI : pri;	2446	pri = pri > EV_MAXPRI ? EV_MAXPRI : pri;
2203	w->priority = pri;	2447	ev_set_priority (w, pri);
2204	}	2448	}
2205		2449
2206	inline_speed void	2450	inline_speed void
2207	ev_start (EV_P_ W w, int active)	2451	ev_start (EV_P_ W w, int active)
2208	{	2452	{
…		…
2235		2479
2236	ev_start (EV_A_ (W)w, 1);	2480	ev_start (EV_A_ (W)w, 1);
2237	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);	2481	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);
2238	wlist_add (&anfds[fd].head, (WL)w);	2482	wlist_add (&anfds[fd].head, (WL)w);
2239		2483
2240	fd_change (EV_A_ fd, w->events & EV__IOFDSET | 1);	2484	fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY);
2241	w->events &= ~EV__IOFDSET;	2485	w->events &= ~EV__IOFDSET;
2242		2486
2243	EV_FREQUENT_CHECK;	2487	EV_FREQUENT_CHECK;
2244	}	2488	}
2245		2489
…		…
2339	}	2583	}
2340		2584
2341	EV_FREQUENT_CHECK;	2585	EV_FREQUENT_CHECK;
2342	}	2586	}
2343		2587
		2588	ev_tstamp
		2589	ev_timer_remaining (EV_P_ ev_timer *w)
		2590	{
		2591	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
		2592	}
		2593
2344	#if EV_PERIODIC_ENABLE	2594	#if EV_PERIODIC_ENABLE
2345	void noinline	2595	void noinline
2346	ev_periodic_start (EV_P_ ev_periodic *w)	2596	ev_periodic_start (EV_P_ ev_periodic *w)
2347	{	2597	{
2348	if (expect_false (ev_is_active (w)))	2598	if (expect_false (ev_is_active (w)))
…		…
2415	#endif	2665	#endif
2416		2666
2417	void noinline	2667	void noinline
2418	ev_signal_start (EV_P_ ev_signal *w)	2668	ev_signal_start (EV_P_ ev_signal *w)
2419	{	2669	{
2420	#if EV_MULTIPLICITY
2421	assert (("libev: signal watchers are only supported in the default loop", loop == ev_default_loop_ptr));
2422	#endif
2423	if (expect_false (ev_is_active (w)))	2670	if (expect_false (ev_is_active (w)))
2424	return;	2671	return;
2425		2672
2426	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0));	2673	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));
2427		2674
2428	evpipe_init (EV_A);	2675	#if EV_MULTIPLICITY
		2676	assert (("libev: a signal must not be attached to two different loops",
		2677	!signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop));
2429		2678
2430	EV_FREQUENT_CHECK;	2679	signals [w->signum - 1].loop = EV_A;
		2680	#endif
2431		2681
		2682	EV_FREQUENT_CHECK;
		2683
		2684	#if EV_USE_SIGNALFD
		2685	if (sigfd == -2)
2432	{	2686	{
2433	#ifndef _WIN32	2687	sigfd = signalfd (-1, &sigfd_set, SFD_NONBLOCK | SFD_CLOEXEC);
2434	sigset_t full, prev;	2688	if (sigfd < 0 && errno == EINVAL)
2435	sigfillset (&full);	2689	sigfd = signalfd (-1, &sigfd_set, 0); /* retry without flags */
2436	sigprocmask (SIG_SETMASK, &full, &prev);
2437	#endif
2438		2690
2439	array_needsize (ANSIG, signals, signalmax, w->signum, array_init_zero);	2691	if (sigfd >= 0)
		2692	{
		2693	fd_intern (sigfd); /* doing it twice will not hurt */
2440		2694
2441	#ifndef _WIN32	2695	sigemptyset (&sigfd_set);
2442	sigprocmask (SIG_SETMASK, &prev, 0);	2696
2443	#endif	2697	ev_io_init (&sigfd_w, sigfdcb, sigfd, EV_READ);
		2698	ev_set_priority (&sigfd_w, EV_MAXPRI);
		2699	ev_io_start (EV_A_ &sigfd_w);
		2700	ev_unref (EV_A); /* signalfd watcher should not keep loop alive */
		2701	}
2444	}	2702	}
		2703
		2704	if (sigfd >= 0)
		2705	{
		2706	/* TODO: check .head */
		2707	sigaddset (&sigfd_set, w->signum);
		2708	sigprocmask (SIG_BLOCK, &sigfd_set, 0);
		2709
		2710	signalfd (sigfd, &sigfd_set, 0);
		2711	}
		2712	#endif
2445		2713
2446	ev_start (EV_A_ (W)w, 1);	2714	ev_start (EV_A_ (W)w, 1);
2447	wlist_add (&signals [w->signum - 1].head, (WL)w);	2715	wlist_add (&signals [w->signum - 1].head, (WL)w);
2448		2716
2449	if (!((WL)w)->next)	2717	if (!((WL)w)->next)
		2718	# if EV_USE_SIGNALFD
		2719	if (sigfd < 0) /*TODO*/
		2720	# endif
2450	{	2721	{
2451	#if _WIN32	2722	# if _WIN32
2452	signal (w->signum, ev_sighandler);	2723	signal (w->signum, ev_sighandler);
2453	#else	2724	# else
2454	struct sigaction sa;	2725	struct sigaction sa;
		2726
		2727	evpipe_init (EV_A);
		2728
2455	sa.sa_handler = ev_sighandler;	2729	sa.sa_handler = ev_sighandler;
2456	sigfillset (&sa.sa_mask);	2730	sigfillset (&sa.sa_mask);
2457	sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */	2731	sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */
2458	sigaction (w->signum, &sa, 0);	2732	sigaction (w->signum, &sa, 0);
		2733
		2734	sigemptyset (&sa.sa_mask);
		2735	sigaddset (&sa.sa_mask, w->signum);
		2736	sigprocmask (SIG_UNBLOCK, &sa.sa_mask, 0);
2459	#endif	2737	#endif
2460	}	2738	}
2461		2739
2462	EV_FREQUENT_CHECK;	2740	EV_FREQUENT_CHECK;
2463	}	2741	}
2464		2742
2465	void noinline	2743	void noinline
…		…
2473		2751
2474	wlist_del (&signals [w->signum - 1].head, (WL)w);	2752	wlist_del (&signals [w->signum - 1].head, (WL)w);
2475	ev_stop (EV_A_ (W)w);	2753	ev_stop (EV_A_ (W)w);
2476		2754
2477	if (!signals [w->signum - 1].head)	2755	if (!signals [w->signum - 1].head)
		2756	{
		2757	#if EV_MULTIPLICITY
		2758	signals [w->signum - 1].loop = 0; /* unattach from signal */
		2759	#endif
		2760	#if EV_USE_SIGNALFD
		2761	if (sigfd >= 0)
		2762	{
		2763	sigprocmask (SIG_UNBLOCK, &sigfd_set, 0);//D
		2764	sigdelset (&sigfd_set, w->signum);
		2765	signalfd (sigfd, &sigfd_set, 0);
		2766	sigprocmask (SIG_BLOCK, &sigfd_set, 0);//D
		2767	/*TODO: maybe unblock signal? */
		2768	}
		2769	else
		2770	#endif
2478	signal (w->signum, SIG_DFL);	2771	signal (w->signum, SIG_DFL);
		2772	}
2479		2773
2480	EV_FREQUENT_CHECK;	2774	EV_FREQUENT_CHECK;
2481	}	2775	}
2482		2776
2483	void	2777	void
…		…
2963	embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents)	3257	embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents)
2964	{	3258	{
2965	ev_embed *w = (ev_embed *)(((char *)prepare) - offsetof (ev_embed, prepare));	3259	ev_embed *w = (ev_embed *)(((char *)prepare) - offsetof (ev_embed, prepare));
2966		3260
2967	{	3261	{
2968	struct ev_loop *loop = w->other;	3262	EV_P = w->other;
2969		3263
2970	while (fdchangecnt)	3264	while (fdchangecnt)
2971	{	3265	{
2972	fd_reify (EV_A);	3266	fd_reify (EV_A);
2973	ev_loop (EV_A_ EVLOOP_NONBLOCK);	3267	ev_loop (EV_A_ EVLOOP_NONBLOCK);
…		…
2981	ev_embed *w = (ev_embed *)(((char *)fork_w) - offsetof (ev_embed, fork));	3275	ev_embed *w = (ev_embed *)(((char *)fork_w) - offsetof (ev_embed, fork));
2982		3276
2983	ev_embed_stop (EV_A_ w);	3277	ev_embed_stop (EV_A_ w);
2984		3278
2985	{	3279	{
2986	struct ev_loop *loop = w->other;	3280	EV_P = w->other;
2987		3281
2988	ev_loop_fork (EV_A);	3282	ev_loop_fork (EV_A);
2989	ev_loop (EV_A_ EVLOOP_NONBLOCK);	3283	ev_loop (EV_A_ EVLOOP_NONBLOCK);
2990	}	3284	}
2991		3285
…		…
3005	{	3299	{
3006	if (expect_false (ev_is_active (w)))	3300	if (expect_false (ev_is_active (w)))
3007	return;	3301	return;
3008		3302
3009	{	3303	{
3010	struct ev_loop *loop = w->other;	3304	EV_P = w->other;
3011	assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ()));	3305	assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ()));
3012	ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ);	3306	ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ);
3013	}	3307	}
3014		3308
3015	EV_FREQUENT_CHECK;	3309	EV_FREQUENT_CHECK;
…		…
3127		3421
3128	void	3422	void
3129	ev_async_send (EV_P_ ev_async *w)	3423	ev_async_send (EV_P_ ev_async *w)
3130	{	3424	{
3131	w->sent = 1;	3425	w->sent = 1;
3132	evpipe_write (EV_A_ &gotasync);	3426	evpipe_write (EV_A_ &async_pending);
3133	}	3427	}
3134	#endif	3428	#endif
3135		3429
3136	/*****************************************************************************/	3430	/*****************************************************************************/
3137		3431
…		…
3201	}	3495	}
3202	}	3496	}
3203		3497
3204	/*****************************************************************************/	3498	/*****************************************************************************/
3205		3499
3206	#if 0	3500	#if EV_WALK_ENABLE
3207	void	3501	void
3208	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w))	3502	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w))
3209	{	3503	{
3210	int i, j;	3504	int i, j;
3211	ev_watcher_list *wl, *wn;	3505	ev_watcher_list *wl, *wn;
…		…
3227	#if EV_USE_INOTIFY	3521	#if EV_USE_INOTIFY
3228	if (ev_cb ((ev_io *)wl) == infy_cb)	3522	if (ev_cb ((ev_io *)wl) == infy_cb)
3229	;	3523	;
3230	else	3524	else
3231	#endif	3525	#endif
3232	if ((ev_io *)wl != &pipeev)	3526	if ((ev_io *)wl != &pipe_w)
3233	if (types & EV_IO)	3527	if (types & EV_IO)
3234	cb (EV_A_ EV_IO, wl);	3528	cb (EV_A_ EV_IO, wl);
3235		3529
3236	wl = wn;	3530	wl = wn;
3237	}	3531	}
…		…
3286	if (types & EV_CHECK)	3580	if (types & EV_CHECK)
3287	for (i = checkcnt; i--; )	3581	for (i = checkcnt; i--; )
3288	cb (EV_A_ EV_CHECK, checks [i]);	3582	cb (EV_A_ EV_CHECK, checks [i]);
3289		3583
3290	if (types & EV_SIGNAL)	3584	if (types & EV_SIGNAL)
3291	for (i = 0; i < signalmax; ++i)	3585	for (i = 0; i < EV_NSIG - 1; ++i)
3292	for (wl = signals [i].head; wl; )	3586	for (wl = signals [i].head; wl; )
3293	{	3587	{
3294	wn = wl->next;	3588	wn = wl->next;
3295	cb (EV_A_ EV_SIGNAL, wl);	3589	cb (EV_A_ EV_SIGNAL, wl);
3296	wl = wn;	3590	wl = wn;

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines