ViewVC Help

View File | Revision Log | Show Annotations | Download File

/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 1.327 by root, Sun Feb 14 19:09:04 2010 UTC

1	/*	1	/*
2	* libev event processing core, watcher management	2	* libev event processing core, watcher management
3	*	3	*
4	* Copyright (c) 2007,2008,2009 Marc Alexander Lehmann <libev@schmorp.de>	4	* Copyright (c) 2007,2008,2009,2010 Marc Alexander Lehmann <libev@schmorp.de>
5	* All rights reserved.	5	* All rights reserved.
6	*	6	*
7	* Redistribution and use in source and binary forms, with or without modifica-	7	* Redistribution and use in source and binary forms, with or without modifica-
8	* tion, are permitted provided that the following conditions are met:	8	* tion, are permitted provided that the following conditions are met:
9	*	9	*
…		…
57	# endif	57	# endif
58	# ifndef EV_USE_MONOTONIC	58	# ifndef EV_USE_MONOTONIC
59	# define EV_USE_MONOTONIC 1	59	# define EV_USE_MONOTONIC 1
60	# endif	60	# endif
61	# endif	61	# endif
		62	# elif !defined(EV_USE_CLOCK_SYSCALL)
		63	# define EV_USE_CLOCK_SYSCALL 0
62	# endif	64	# endif
63		65
64	# if HAVE_CLOCK_GETTIME	66	# if HAVE_CLOCK_GETTIME
65	# ifndef EV_USE_MONOTONIC	67	# ifndef EV_USE_MONOTONIC
66	# define EV_USE_MONOTONIC 1	68	# define EV_USE_MONOTONIC 1
…		…
108	# define EV_USE_EPOLL 0	110	# define EV_USE_EPOLL 0
109	# endif	111	# endif
110	# endif	112	# endif
111		113
112	# ifndef EV_USE_KQUEUE	114	# ifndef EV_USE_KQUEUE
113	# if HAVE_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H	115	# if HAVE_KQUEUE && HAVE_SYS_EVENT_H
114	# define EV_USE_KQUEUE 1	116	# define EV_USE_KQUEUE 1
115	# else	117	# else
116	# define EV_USE_KQUEUE 0	118	# define EV_USE_KQUEUE 0
117	# endif	119	# endif
118	# endif	120	# endif
…		…
131	# else	133	# else
132	# define EV_USE_INOTIFY 0	134	# define EV_USE_INOTIFY 0
133	# endif	135	# endif
134	# endif	136	# endif
135		137
		138	# ifndef EV_USE_SIGNALFD
		139	# if HAVE_SIGNALFD && HAVE_SYS_SIGNALFD_H
		140	# define EV_USE_SIGNALFD 1
		141	# else
		142	# define EV_USE_SIGNALFD 0
		143	# endif
		144	# endif
		145
136	# ifndef EV_USE_EVENTFD	146	# ifndef EV_USE_EVENTFD
137	# if HAVE_EVENTFD	147	# if HAVE_EVENTFD
138	# define EV_USE_EVENTFD 1	148	# define EV_USE_EVENTFD 1
139	# else	149	# else
140	# define EV_USE_EVENTFD 0	150	# define EV_USE_EVENTFD 0
…		…
143		153
144	#endif	154	#endif
145		155
146	#include <math.h>	156	#include <math.h>
147	#include <stdlib.h>	157	#include <stdlib.h>
		158	#include <string.h>
148	#include <fcntl.h>	159	#include <fcntl.h>
149	#include <stddef.h>	160	#include <stddef.h>
150		161
151	#include <stdio.h>	162	#include <stdio.h>
152		163
153	#include <assert.h>	164	#include <assert.h>
154	#include <errno.h>	165	#include <errno.h>
155	#include <sys/types.h>	166	#include <sys/types.h>
156	#include <time.h>	167	#include <time.h>
		168	#include <limits.h>
157		169
158	#include <signal.h>	170	#include <signal.h>
159		171
160	#ifdef EV_H	172	#ifdef EV_H
161	# include EV_H	173	# include EV_H
…		…
176	# endif	188	# endif
177	#endif	189	#endif
178		190
179	/* this block tries to deduce configuration from header-defined symbols and defaults */	191	/* this block tries to deduce configuration from header-defined symbols and defaults */
180		192
		193	/* try to deduce the maximum number of signals on this platform */
		194	#if defined (EV_NSIG)
		195	/* use what's provided */
		196	#elif defined (NSIG)
		197	# define EV_NSIG (NSIG)
		198	#elif defined(_NSIG)
		199	# define EV_NSIG (_NSIG)
		200	#elif defined (SIGMAX)
		201	# define EV_NSIG (SIGMAX+1)
		202	#elif defined (SIG_MAX)
		203	# define EV_NSIG (SIG_MAX+1)
		204	#elif defined (_SIG_MAX)
		205	# define EV_NSIG (_SIG_MAX+1)
		206	#elif defined (MAXSIG)
		207	# define EV_NSIG (MAXSIG+1)
		208	#elif defined (MAX_SIG)
		209	# define EV_NSIG (MAX_SIG+1)
		210	#elif defined (SIGARRAYSIZE)
		211	# define EV_NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */
		212	#elif defined (_sys_nsig)
		213	# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */
		214	#else
		215	# error "unable to find value for NSIG, please report"
		216	/* to make it compile regardless, just remove the above line */
		217	# define EV_NSIG 65
		218	#endif
		219
181	#ifndef EV_USE_CLOCK_SYSCALL	220	#ifndef EV_USE_CLOCK_SYSCALL
182	# if __linux && __GLIBC__ >= 2	221	# if __linux && __GLIBC__ >= 2
183	# define EV_USE_CLOCK_SYSCALL 1	222	# define EV_USE_CLOCK_SYSCALL 1
184	# else	223	# else
185	# define EV_USE_CLOCK_SYSCALL 0	224	# define EV_USE_CLOCK_SYSCALL 0
…		…
264	# else	303	# else
265	# define EV_USE_EVENTFD 0	304	# define EV_USE_EVENTFD 0
266	# endif	305	# endif
267	#endif	306	#endif
268		307
		308	#ifndef EV_USE_SIGNALFD
		309	# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7))
		310	# define EV_USE_SIGNALFD 1
		311	# else
		312	# define EV_USE_SIGNALFD 0
		313	# endif
		314	#endif
		315
269	#if 0 /* debugging */	316	#if 0 /* debugging */
270	# define EV_VERIFY 3	317	# define EV_VERIFY 3
271	# define EV_USE_4HEAP 1	318	# define EV_USE_4HEAP 1
272	# define EV_HEAP_CACHE_AT 1	319	# define EV_HEAP_CACHE_AT 1
273	#endif	320	#endif
…		…
282		329
283	#ifndef EV_HEAP_CACHE_AT	330	#ifndef EV_HEAP_CACHE_AT
284	# define EV_HEAP_CACHE_AT !EV_MINIMAL	331	# define EV_HEAP_CACHE_AT !EV_MINIMAL
285	#endif	332	#endif
286		333
		334	/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */
		335	/* which makes programs even slower. might work on other unices, too. */
		336	#if EV_USE_CLOCK_SYSCALL
		337	# include <syscall.h>
		338	# ifdef SYS_clock_gettime
		339	# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))
		340	# undef EV_USE_MONOTONIC
		341	# define EV_USE_MONOTONIC 1
		342	# else
		343	# undef EV_USE_CLOCK_SYSCALL
		344	# define EV_USE_CLOCK_SYSCALL 0
		345	# endif
		346	#endif
		347
287	/* this block fixes any misconfiguration where we know we run into trouble otherwise */	348	/* this block fixes any misconfiguration where we know we run into trouble otherwise */
		349
		350	#ifdef _AIX
		351	/* AIX has a completely broken poll.h header */
		352	# undef EV_USE_POLL
		353	# define EV_USE_POLL 0
		354	#endif
288		355
289	#ifndef CLOCK_MONOTONIC	356	#ifndef CLOCK_MONOTONIC
290	# undef EV_USE_MONOTONIC	357	# undef EV_USE_MONOTONIC
291	# define EV_USE_MONOTONIC 0	358	# define EV_USE_MONOTONIC 0
292	#endif	359	#endif
…		…
320		387
321	#if EV_SELECT_IS_WINSOCKET	388	#if EV_SELECT_IS_WINSOCKET
322	# include <winsock.h>	389	# include <winsock.h>
323	#endif	390	#endif
324		391
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	392	#if EV_USE_EVENTFD
335	/* our minimum requirement is glibc 2.7 which has the stub, but not the header */	393	/* our minimum requirement is glibc 2.7 which has the stub, but not the header */
336	# include <stdint.h>	394	# include <stdint.h>
		395	# ifndef EFD_NONBLOCK
		396	# define EFD_NONBLOCK O_NONBLOCK
		397	# endif
		398	# ifndef EFD_CLOEXEC
		399	# ifdef O_CLOEXEC
		400	# define EFD_CLOEXEC O_CLOEXEC
		401	# else
		402	# define EFD_CLOEXEC 02000000
		403	# endif
		404	# endif
337	# ifdef __cplusplus	405	# ifdef __cplusplus
338	extern "C" {	406	extern "C" {
339	# endif	407	# endif
340	int eventfd (unsigned int initval, int flags);	408	int eventfd (unsigned int initval, int flags);
341	# ifdef __cplusplus	409	# ifdef __cplusplus
342	}	410	}
343	# endif	411	# endif
344	#endif	412	#endif
		413
		414	#if EV_USE_SIGNALFD
		415	/* our minimum requirement is glibc 2.7 which has the stub, but not the header */
		416	# include <stdint.h>
		417	# ifndef SFD_NONBLOCK
		418	# define SFD_NONBLOCK O_NONBLOCK
		419	# endif
		420	# ifndef SFD_CLOEXEC
		421	# ifdef O_CLOEXEC
		422	# define SFD_CLOEXEC O_CLOEXEC
		423	# else
		424	# define SFD_CLOEXEC 02000000
		425	# endif
		426	# endif
		427	# ifdef __cplusplus
		428	extern "C" {
		429	# endif
		430	int signalfd (int fd, const sigset_t *mask, int flags);
		431
		432	struct signalfd_siginfo
		433	{
		434	uint32_t ssi_signo;
		435	char pad[128 - sizeof (uint32_t)];
		436	};
		437	# ifdef __cplusplus
		438	}
		439	# endif
		440	#endif
		441
345		442
346	/**/	443	/**/
347		444
348	#if EV_VERIFY >= 3	445	#if EV_VERIFY >= 3
349	# define EV_FREQUENT_CHECK ev_loop_verify (EV_A)	446	# define EV_FREQUENT_CHECK ev_loop_verify (EV_A)
…		…
361	*/	458	*/
362	#define TIME_EPSILON 0.0001220703125 /* 1/8192 */	459	#define TIME_EPSILON 0.0001220703125 /* 1/8192 */
363		460
364	#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */	461	#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */
365	#define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */	462	#define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */
366	/*#define CLEANUP_INTERVAL (MAX_BLOCKTIME * 5.) /* how often to try to free memory and re-check fds, TODO */
367		463
368	#if __GNUC__ >= 4	464	#if __GNUC__ >= 4
369	# define expect(expr,value) __builtin_expect ((expr),(value))	465	# define expect(expr,value) __builtin_expect ((expr),(value))
370	# define noinline __attribute__ ((noinline))	466	# define noinline __attribute__ ((noinline))
371	#else	467	#else
…		…
384	# define inline_speed static noinline	480	# define inline_speed static noinline
385	#else	481	#else
386	# define inline_speed static inline	482	# define inline_speed static inline
387	#endif	483	#endif
388		484
389	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)	485	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
		486
		487	#if EV_MINPRI == EV_MAXPRI
		488	# define ABSPRI(w) (((W)w), 0)
		489	#else
390	#define ABSPRI(w) (((W)w)->priority - EV_MINPRI)	490	# define ABSPRI(w) (((W)w)->priority - EV_MINPRI)
		491	#endif
391		492
392	#define EMPTY /* required for microsofts broken pseudo-c compiler */	493	#define EMPTY /* required for microsofts broken pseudo-c compiler */
393	#define EMPTY2(a,b) /* used to suppress some warnings */	494	#define EMPTY2(a,b) /* used to suppress some warnings */
394		495
395	typedef ev_watcher *W;	496	typedef ev_watcher *W;
…		…
407		508
408	#if EV_USE_MONOTONIC	509	#if EV_USE_MONOTONIC
409	static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */	510	static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */
410	#endif	511	#endif
411		512
		513	#ifndef EV_FD_TO_WIN32_HANDLE
		514	# define EV_FD_TO_WIN32_HANDLE(fd) _get_osfhandle (fd)
		515	#endif
		516	#ifndef EV_WIN32_HANDLE_TO_FD
		517	# define EV_WIN32_HANDLE_TO_FD(handle) _open_osfhandle (handle, 0)
		518	#endif
		519	#ifndef EV_WIN32_CLOSE_FD
		520	# define EV_WIN32_CLOSE_FD(fd) close (fd)
		521	#endif
		522
412	#ifdef _WIN32	523	#ifdef _WIN32
413	# include "ev_win32.c"	524	# include "ev_win32.c"
414	#endif	525	#endif
415		526
416	/*****************************************************************************/	527	/*****************************************************************************/
…		…
478	#define ev_malloc(size) ev_realloc (0, (size))	589	#define ev_malloc(size) ev_realloc (0, (size))
479	#define ev_free(ptr) ev_realloc ((ptr), 0)	590	#define ev_free(ptr) ev_realloc ((ptr), 0)
480		591
481	/*****************************************************************************/	592	/*****************************************************************************/
482		593
		594	/* set in reify when reification needed */
		595	#define EV_ANFD_REIFY 1
		596
		597	/* file descriptor info structure */
483	typedef struct	598	typedef struct
484	{	599	{
485	WL head;	600	WL head;
486	unsigned char events;	601	unsigned char events; /* the events watched for */
487	unsigned char reify;	602	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 */	603	unsigned char emask; /* the epoll backend stores the actual kernel mask in here */
489	unsigned char unused;	604	unsigned char unused;
490	#if EV_USE_EPOLL	605	#if EV_USE_EPOLL
491	unsigned int egen; /* generation counter to counter epoll bugs */	606	unsigned int egen; /* generation counter to counter epoll bugs */
492	#endif	607	#endif
493	#if EV_SELECT_IS_WINSOCKET	608	#if EV_SELECT_IS_WINSOCKET
494	SOCKET handle;	609	SOCKET handle;
495	#endif	610	#endif
496	} ANFD;	611	} ANFD;
497		612
		613	/* stores the pending event set for a given watcher */
498	typedef struct	614	typedef struct
499	{	615	{
500	W w;	616	W w;
501	int events;	617	int events; /* the pending event set for the given watcher */
502	} ANPENDING;	618	} ANPENDING;
503		619
504	#if EV_USE_INOTIFY	620	#if EV_USE_INOTIFY
505	/* hash table entry per inotify-id */	621	/* hash table entry per inotify-id */
506	typedef struct	622	typedef struct
…		…
509	} ANFS;	625	} ANFS;
510	#endif	626	#endif
511		627
512	/* Heap Entry */	628	/* Heap Entry */
513	#if EV_HEAP_CACHE_AT	629	#if EV_HEAP_CACHE_AT
		630	/* a heap element */
514	typedef struct {	631	typedef struct {
515	ev_tstamp at;	632	ev_tstamp at;
516	WT w;	633	WT w;
517	} ANHE;	634	} ANHE;
518		635
519	#define ANHE_w(he) (he).w /* access watcher, read-write */	636	#define ANHE_w(he) (he).w /* access watcher, read-write */
520	#define ANHE_at(he) (he).at /* access cached at, read-only */	637	#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 */	638	#define ANHE_at_cache(he) (he).at = (he).w->at /* update at from watcher */
522	#else	639	#else
		640	/* a heap element */
523	typedef WT ANHE;	641	typedef WT ANHE;
524		642
525	#define ANHE_w(he) (he)	643	#define ANHE_w(he) (he)
526	#define ANHE_at(he) (he)->at	644	#define ANHE_at(he) (he)->at
527	#define ANHE_at_cache(he)	645	#define ANHE_at_cache(he)
…		…
551		669
552	static int ev_default_loop_ptr;	670	static int ev_default_loop_ptr;
553		671
554	#endif	672	#endif
555		673
		674	#if EV_MINIMAL < 2
		675	# define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A)
		676	# define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A)
		677	# define EV_INVOKE_PENDING invoke_cb (EV_A)
		678	#else
		679	# define EV_RELEASE_CB (void)0
		680	# define EV_ACQUIRE_CB (void)0
		681	# define EV_INVOKE_PENDING ev_invoke_pending (EV_A)
		682	#endif
		683
		684	#define EVUNLOOP_RECURSE 0x80
		685
556	/*****************************************************************************/	686	/*****************************************************************************/
557		687
		688	#ifndef EV_HAVE_EV_TIME
558	ev_tstamp	689	ev_tstamp
559	ev_time (void)	690	ev_time (void)
560	{	691	{
561	#if EV_USE_REALTIME	692	#if EV_USE_REALTIME
562	if (expect_true (have_realtime))	693	if (expect_true (have_realtime))
…		…
569		700
570	struct timeval tv;	701	struct timeval tv;
571	gettimeofday (&tv, 0);	702	gettimeofday (&tv, 0);
572	return tv.tv_sec + tv.tv_usec * 1e-6;	703	return tv.tv_sec + tv.tv_usec * 1e-6;
573	}	704	}
		705	#endif
574		706
575	inline_size ev_tstamp	707	inline_size ev_tstamp
576	get_clock (void)	708	get_clock (void)
577	{	709	{
578	#if EV_USE_MONOTONIC	710	#if EV_USE_MONOTONIC
…		…
614		746
615	tv.tv_sec = (time_t)delay;	747	tv.tv_sec = (time_t)delay;
616	tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6);	748	tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6);
617		749
618	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */	750	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */
619	/* somehting nto guaranteed by newer posix versions, but guaranteed */	751	/* something not guaranteed by newer posix versions, but guaranteed */
620	/* by older ones */	752	/* by older ones */
621	select (0, 0, 0, 0, &tv);	753	select (0, 0, 0, 0, &tv);
622	#endif	754	#endif
623	}	755	}
624	}	756	}
625		757
626	/*****************************************************************************/	758	/*****************************************************************************/
627		759
628	#define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */	760	#define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */
629		761
		762	/* find a suitable new size for the given array, */
		763	/* hopefully by rounding to a ncie-to-malloc size */
630	inline_size int	764	inline_size int
631	array_nextsize (int elem, int cur, int cnt)	765	array_nextsize (int elem, int cur, int cnt)
632	{	766	{
633	int ncur = cur + 1;	767	int ncur = cur + 1;
634		768
…		…
680	#define array_free(stem, idx) \	814	#define array_free(stem, idx) \
681	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0	815	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0
682		816
683	/*****************************************************************************/	817	/*****************************************************************************/
684		818
		819	/* dummy callback for pending events */
		820	static void noinline
		821	pendingcb (EV_P_ ev_prepare *w, int revents)
		822	{
		823	}
		824
685	void noinline	825	void noinline
686	ev_feed_event (EV_P_ void *w, int revents)	826	ev_feed_event (EV_P_ void *w, int revents)
687	{	827	{
688	W w_ = (W)w;	828	W w_ = (W)w;
689	int pri = ABSPRI (w_);	829	int pri = ABSPRI (w_);
…		…
724	}	864	}
725		865
726	/*****************************************************************************/	866	/*****************************************************************************/
727		867
728	inline_speed void	868	inline_speed void
729	fd_event (EV_P_ int fd, int revents)	869	fd_event_nc (EV_P_ int fd, int revents)
730	{	870	{
731	ANFD *anfd = anfds + fd;	871	ANFD *anfd = anfds + fd;
732	ev_io *w;	872	ev_io *w;
733		873
734	for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next)	874	for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next)
…		…
738	if (ev)	878	if (ev)
739	ev_feed_event (EV_A_ (W)w, ev);	879	ev_feed_event (EV_A_ (W)w, ev);
740	}	880	}
741	}	881	}
742		882
		883	/* do not submit kernel events for fds that have reify set */
		884	/* because that means they changed while we were polling for new events */
		885	inline_speed void
		886	fd_event (EV_P_ int fd, int revents)
		887	{
		888	ANFD *anfd = anfds + fd;
		889
		890	if (expect_true (!anfd->reify))
		891	fd_event_nc (EV_A_ fd, revents);
		892	}
		893
743	void	894	void
744	ev_feed_fd_event (EV_P_ int fd, int revents)	895	ev_feed_fd_event (EV_P_ int fd, int revents)
745	{	896	{
746	if (fd >= 0 && fd < anfdmax)	897	if (fd >= 0 && fd < anfdmax)
747	fd_event (EV_A_ fd, revents);	898	fd_event_nc (EV_A_ fd, revents);
748	}	899	}
749		900
		901	/* make sure the external fd watch events are in-sync */
		902	/* with the kernel/libev internal state */
750	inline_size void	903	inline_size void
751	fd_reify (EV_P)	904	fd_reify (EV_P)
752	{	905	{
753	int i;	906	int i;
754		907
…		…
765		918
766	#if EV_SELECT_IS_WINSOCKET	919	#if EV_SELECT_IS_WINSOCKET
767	if (events)	920	if (events)
768	{	921	{
769	unsigned long arg;	922	unsigned long arg;
770	#ifdef EV_FD_TO_WIN32_HANDLE
771	anfd->handle = EV_FD_TO_WIN32_HANDLE (fd);	923	anfd->handle = EV_FD_TO_WIN32_HANDLE (fd);
772	#else
773	anfd->handle = _get_osfhandle (fd);
774	#endif
775	assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0));	924	assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0));
776	}	925	}
777	#endif	926	#endif
778		927
779	{	928	{
…		…
789	}	938	}
790		939
791	fdchangecnt = 0;	940	fdchangecnt = 0;
792	}	941	}
793		942
		943	/* something about the given fd changed */
794	inline_size void	944	inline_size void
795	fd_change (EV_P_ int fd, int flags)	945	fd_change (EV_P_ int fd, int flags)
796	{	946	{
797	unsigned char reify = anfds [fd].reify;	947	unsigned char reify = anfds [fd].reify;
798	anfds [fd].reify |= flags;	948	anfds [fd].reify |= flags;
…		…
803	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2);	953	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2);
804	fdchanges [fdchangecnt - 1] = fd;	954	fdchanges [fdchangecnt - 1] = fd;
805	}	955	}
806	}	956	}
807		957
		958	/* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */
808	inline_speed void	959	inline_speed void
809	fd_kill (EV_P_ int fd)	960	fd_kill (EV_P_ int fd)
810	{	961	{
811	ev_io *w;	962	ev_io *w;
812		963
…		…
815	ev_io_stop (EV_A_ w);	966	ev_io_stop (EV_A_ w);
816	ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE);	967	ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE);
817	}	968	}
818	}	969	}
819		970
		971	/* check whether the given fd is atcually valid, for error recovery */
820	inline_size int	972	inline_size int
821	fd_valid (int fd)	973	fd_valid (int fd)
822	{	974	{
823	#ifdef _WIN32	975	#ifdef _WIN32
824	return _get_osfhandle (fd) != -1;	976	return EV_FD_TO_WIN32_HANDLE (fd) != -1;
825	#else	977	#else
826	return fcntl (fd, F_GETFD) != -1;	978	return fcntl (fd, F_GETFD) != -1;
827	#endif	979	#endif
828	}	980	}
829		981
…		…
847		999
848	for (fd = anfdmax; fd--; )	1000	for (fd = anfdmax; fd--; )
849	if (anfds [fd].events)	1001	if (anfds [fd].events)
850	{	1002	{
851	fd_kill (EV_A_ fd);	1003	fd_kill (EV_A_ fd);
852	return;	1004	break;
853	}	1005	}
854	}	1006	}
855		1007
856	/* usually called after fork if backend needs to re-arm all fds from scratch */	1008	/* usually called after fork if backend needs to re-arm all fds from scratch */
857	static void noinline	1009	static void noinline
…		…
862	for (fd = 0; fd < anfdmax; ++fd)	1014	for (fd = 0; fd < anfdmax; ++fd)
863	if (anfds [fd].events)	1015	if (anfds [fd].events)
864	{	1016	{
865	anfds [fd].events = 0;	1017	anfds [fd].events = 0;
866	anfds [fd].emask = 0;	1018	anfds [fd].emask = 0;
867	fd_change (EV_A_ fd, EV__IOFDSET | 1);	1019	fd_change (EV_A_ fd, EV__IOFDSET | EV_ANFD_REIFY);
868	}	1020	}
869	}	1021	}
870		1022
871	/*****************************************************************************/	1023	/*****************************************************************************/
872		1024
…		…
947		1099
948	for (;;)	1100	for (;;)
949	{	1101	{
950	int c = k << 1;	1102	int c = k << 1;
951		1103
952	if (c > N + HEAP0 - 1)	1104	if (c >= N + HEAP0)
953	break;	1105	break;
954		1106
955	c += c + 1 < N + HEAP0 && ANHE_at (heap [c]) > ANHE_at (heap [c + 1])	1107	c += c + 1 < N + HEAP0 && ANHE_at (heap [c]) > ANHE_at (heap [c + 1])
956	? 1 : 0;	1108	? 1 : 0;
957		1109
…		…
989		1141
990	heap [k] = he;	1142	heap [k] = he;
991	ev_active (ANHE_w (he)) = k;	1143	ev_active (ANHE_w (he)) = k;
992	}	1144	}
993		1145
		1146	/* move an element suitably so it is in a correct place */
994	inline_size void	1147	inline_size void
995	adjustheap (ANHE *heap, int N, int k)	1148	adjustheap (ANHE *heap, int N, int k)
996	{	1149	{
997	if (k > HEAP0 && ANHE_at (heap [HPARENT (k)]) >= ANHE_at (heap [k]))	1150	if (k > HEAP0 && ANHE_at (heap [k]) <= ANHE_at (heap [HPARENT (k)]))
998	upheap (heap, k);	1151	upheap (heap, k);
999	else	1152	else
1000	downheap (heap, N, k);	1153	downheap (heap, N, k);
1001	}	1154	}
1002		1155
…		…
1012	upheap (heap, i + HEAP0);	1165	upheap (heap, i + HEAP0);
1013	}	1166	}
1014		1167
1015	/*****************************************************************************/	1168	/*****************************************************************************/
1016		1169
		1170	/* associate signal watchers to a signal signal */
1017	typedef struct	1171	typedef struct
1018	{	1172	{
		1173	EV_ATOMIC_T pending;
		1174	#if EV_MULTIPLICITY
		1175	EV_P;
		1176	#endif
1019	WL head;	1177	WL head;
1020	EV_ATOMIC_T gotsig;
1021	} ANSIG;	1178	} ANSIG;
1022		1179
1023	static ANSIG *signals;	1180	static ANSIG signals [EV_NSIG - 1];
1024	static int signalmax;
1025
1026	static EV_ATOMIC_T gotsig;
1027		1181
1028	/*****************************************************************************/	1182	/*****************************************************************************/
1029		1183
		1184	/* used to prepare libev internal fd's */
		1185	/* this is not fork-safe */
1030	inline_speed void	1186	inline_speed void
1031	fd_intern (int fd)	1187	fd_intern (int fd)
1032	{	1188	{
1033	#ifdef _WIN32	1189	#ifdef _WIN32
1034	unsigned long arg = 1;	1190	unsigned long arg = 1;
1035	ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg);	1191	ioctlsocket (EV_FD_TO_WIN32_HANDLE (fd), FIONBIO, &arg);
1036	#else	1192	#else
1037	fcntl (fd, F_SETFD, FD_CLOEXEC);	1193	fcntl (fd, F_SETFD, FD_CLOEXEC);
1038	fcntl (fd, F_SETFL, O_NONBLOCK);	1194	fcntl (fd, F_SETFL, O_NONBLOCK);
1039	#endif	1195	#endif
1040	}	1196	}
1041		1197
1042	static void noinline	1198	static void noinline
1043	evpipe_init (EV_P)	1199	evpipe_init (EV_P)
1044	{	1200	{
1045	if (!ev_is_active (&pipeev))	1201	if (!ev_is_active (&pipe_w))
1046	{	1202	{
1047	#if EV_USE_EVENTFD	1203	#if EV_USE_EVENTFD
		1204	evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC);
		1205	if (evfd < 0 && errno == EINVAL)
1048	if ((evfd = eventfd (0, 0)) >= 0)	1206	evfd = eventfd (0, 0);
		1207
		1208	if (evfd >= 0)
1049	{	1209	{
1050	evpipe [0] = -1;	1210	evpipe [0] = -1;
1051	fd_intern (evfd);	1211	fd_intern (evfd); /* doing it twice doesn't hurt */
1052	ev_io_set (&pipeev, evfd, EV_READ);	1212	ev_io_set (&pipe_w, evfd, EV_READ);
1053	}	1213	}
1054	else	1214	else
1055	#endif	1215	#endif
1056	{	1216	{
1057	while (pipe (evpipe))	1217	while (pipe (evpipe))
1058	ev_syserr ("(libev) error creating signal/async pipe");	1218	ev_syserr ("(libev) error creating signal/async pipe");
1059		1219
1060	fd_intern (evpipe [0]);	1220	fd_intern (evpipe [0]);
1061	fd_intern (evpipe [1]);	1221	fd_intern (evpipe [1]);
1062	ev_io_set (&pipeev, evpipe [0], EV_READ);	1222	ev_io_set (&pipe_w, evpipe [0], EV_READ);
1063	}	1223	}
1064		1224
1065	ev_io_start (EV_A_ &pipeev);	1225	ev_io_start (EV_A_ &pipe_w);
1066	ev_unref (EV_A); /* watcher should not keep loop alive */	1226	ev_unref (EV_A); /* watcher should not keep loop alive */
1067	}	1227	}
1068	}	1228	}
1069		1229
1070	inline_size void	1230	inline_size void
…		…
1088		1248
1089	errno = old_errno;	1249	errno = old_errno;
1090	}	1250	}
1091	}	1251	}
1092		1252
		1253	/* called whenever the libev signal pipe */
		1254	/* got some events (signal, async) */
1093	static void	1255	static void
1094	pipecb (EV_P_ ev_io *iow, int revents)	1256	pipecb (EV_P_ ev_io *iow, int revents)
1095	{	1257	{
		1258	int i;
		1259
1096	#if EV_USE_EVENTFD	1260	#if EV_USE_EVENTFD
1097	if (evfd >= 0)	1261	if (evfd >= 0)
1098	{	1262	{
1099	uint64_t counter;	1263	uint64_t counter;
1100	read (evfd, &counter, sizeof (uint64_t));	1264	read (evfd, &counter, sizeof (uint64_t));
…		…
1104	{	1268	{
1105	char dummy;	1269	char dummy;
1106	read (evpipe [0], &dummy, 1);	1270	read (evpipe [0], &dummy, 1);
1107	}	1271	}
1108		1272
1109	if (gotsig && ev_is_default_loop (EV_A))	1273	if (sig_pending)
1110	{	1274	{
1111	int signum;	1275	sig_pending = 0;
1112	gotsig = 0;
1113		1276
1114	for (signum = signalmax; signum--; )	1277	for (i = EV_NSIG - 1; i--; )
1115	if (signals [signum].gotsig)	1278	if (expect_false (signals [i].pending))
1116	ev_feed_signal_event (EV_A_ signum + 1);	1279	ev_feed_signal_event (EV_A_ i + 1);
1117	}	1280	}
1118		1281
1119	#if EV_ASYNC_ENABLE	1282	#if EV_ASYNC_ENABLE
1120	if (gotasync)	1283	if (async_pending)
1121	{	1284	{
1122	int i;	1285	async_pending = 0;
1123	gotasync = 0;
1124		1286
1125	for (i = asynccnt; i--; )	1287	for (i = asynccnt; i--; )
1126	if (asyncs [i]->sent)	1288	if (asyncs [i]->sent)
1127	{	1289	{
1128	asyncs [i]->sent = 0;	1290	asyncs [i]->sent = 0;
…		…
1136		1298
1137	static void	1299	static void
1138	ev_sighandler (int signum)	1300	ev_sighandler (int signum)
1139	{	1301	{
1140	#if EV_MULTIPLICITY	1302	#if EV_MULTIPLICITY
1141	struct ev_loop *loop = &default_loop_struct;	1303	EV_P = signals [signum - 1].loop;
1142	#endif	1304	#endif
1143		1305
1144	#if _WIN32	1306	#ifdef _WIN32
1145	signal (signum, ev_sighandler);	1307	signal (signum, ev_sighandler);
1146	#endif	1308	#endif
1147		1309
1148	signals [signum - 1].gotsig = 1;	1310	signals [signum - 1].pending = 1;
1149	evpipe_write (EV_A_ &gotsig);	1311	evpipe_write (EV_A_ &sig_pending);
1150	}	1312	}
1151		1313
1152	void noinline	1314	void noinline
1153	ev_feed_signal_event (EV_P_ int signum)	1315	ev_feed_signal_event (EV_P_ int signum)
1154	{	1316	{
1155	WL w;	1317	WL w;
1156		1318
		1319	if (expect_false (signum <= 0 || signum > EV_NSIG))
		1320	return;
		1321
		1322	--signum;
		1323
1157	#if EV_MULTIPLICITY	1324	#if EV_MULTIPLICITY
1158	assert (("libev: feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr));	1325	/* it is permissible to try to feed a signal to the wrong loop */
1159	#endif	1326	/* or, likely more useful, feeding a signal nobody is waiting for */
1160		1327
1161	--signum;	1328	if (expect_false (signals [signum].loop != EV_A))
1162
1163	if (signum < 0 || signum >= signalmax)
1164	return;	1329	return;
		1330	#endif
1165		1331
1166	signals [signum].gotsig = 0;	1332	signals [signum].pending = 0;
1167		1333
1168	for (w = signals [signum].head; w; w = w->next)	1334	for (w = signals [signum].head; w; w = w->next)
1169	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);	1335	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);
1170	}	1336	}
1171		1337
		1338	#if EV_USE_SIGNALFD
		1339	static void
		1340	sigfdcb (EV_P_ ev_io *iow, int revents)
		1341	{
		1342	struct signalfd_siginfo si[2], *sip; /* these structs are big */
		1343
		1344	for (;;)
		1345	{
		1346	ssize_t res = read (sigfd, si, sizeof (si));
		1347
		1348	/* not ISO-C, as res might be -1, but works with SuS */
		1349	for (sip = si; (char *)sip < (char *)si + res; ++sip)
		1350	ev_feed_signal_event (EV_A_ sip->ssi_signo);
		1351
		1352	if (res < (ssize_t)sizeof (si))
		1353	break;
		1354	}
		1355	}
		1356	#endif
		1357
1172	/*****************************************************************************/	1358	/*****************************************************************************/
1173		1359
1174	static WL childs [EV_PID_HASHSIZE];	1360	static WL childs [EV_PID_HASHSIZE];
1175		1361
1176	#ifndef _WIN32	1362	#ifndef _WIN32
…		…
1179		1365
1180	#ifndef WIFCONTINUED	1366	#ifndef WIFCONTINUED
1181	# define WIFCONTINUED(status) 0	1367	# define WIFCONTINUED(status) 0
1182	#endif	1368	#endif
1183		1369
		1370	/* handle a single child status event */
1184	inline_speed void	1371	inline_speed void
1185	child_reap (EV_P_ int chain, int pid, int status)	1372	child_reap (EV_P_ int chain, int pid, int status)
1186	{	1373	{
1187	ev_child *w;	1374	ev_child *w;
1188	int traced = WIFSTOPPED (status) || WIFCONTINUED (status);	1375	int traced = WIFSTOPPED (status) || WIFCONTINUED (status);
…		…
1202		1389
1203	#ifndef WCONTINUED	1390	#ifndef WCONTINUED
1204	# define WCONTINUED 0	1391	# define WCONTINUED 0
1205	#endif	1392	#endif
1206		1393
		1394	/* called on sigchld etc., calls waitpid */
1207	static void	1395	static void
1208	childcb (EV_P_ ev_signal *sw, int revents)	1396	childcb (EV_P_ ev_signal *sw, int revents)
1209	{	1397	{
1210	int pid, status;	1398	int pid, status;
1211		1399
…		…
1318	ev_backend (EV_P)	1506	ev_backend (EV_P)
1319	{	1507	{
1320	return backend;	1508	return backend;
1321	}	1509	}
1322		1510
		1511	#if EV_MINIMAL < 2
1323	unsigned int	1512	unsigned int
1324	ev_loop_count (EV_P)	1513	ev_loop_count (EV_P)
1325	{	1514	{
1326	return loop_count;	1515	return loop_count;
1327	}	1516	}
1328		1517
		1518	unsigned int
		1519	ev_loop_depth (EV_P)
		1520	{
		1521	return loop_depth;
		1522	}
		1523
1329	void	1524	void
1330	ev_set_io_collect_interval (EV_P_ ev_tstamp interval)	1525	ev_set_io_collect_interval (EV_P_ ev_tstamp interval)
1331	{	1526	{
1332	io_blocktime = interval;	1527	io_blocktime = interval;
1333	}	1528	}
…		…
1336	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval)	1531	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval)
1337	{	1532	{
1338	timeout_blocktime = interval;	1533	timeout_blocktime = interval;
1339	}	1534	}
1340		1535
		1536	void
		1537	ev_set_userdata (EV_P_ void *data)
		1538	{
		1539	userdata = data;
		1540	}
		1541
		1542	void *
		1543	ev_userdata (EV_P)
		1544	{
		1545	return userdata;
		1546	}
		1547
		1548	void ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P))
		1549	{
		1550	invoke_cb = invoke_pending_cb;
		1551	}
		1552
		1553	void ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P))
		1554	{
		1555	release_cb = release;
		1556	acquire_cb = acquire;
		1557	}
		1558	#endif
		1559
		1560	/* initialise a loop structure, must be zero-initialised */
1341	static void noinline	1561	static void noinline
1342	loop_init (EV_P_ unsigned int flags)	1562	loop_init (EV_P_ unsigned int flags)
1343	{	1563	{
1344	if (!backend)	1564	if (!backend)
1345	{	1565	{
…		…
1361	if (!clock_gettime (CLOCK_MONOTONIC, &ts))	1581	if (!clock_gettime (CLOCK_MONOTONIC, &ts))
1362	have_monotonic = 1;	1582	have_monotonic = 1;
1363	}	1583	}
1364	#endif	1584	#endif
1365		1585
		1586	/* pid check not overridable via env */
		1587	#ifndef _WIN32
		1588	if (flags & EVFLAG_FORKCHECK)
		1589	curpid = getpid ();
		1590	#endif
		1591
		1592	if (!(flags & EVFLAG_NOENV)
		1593	&& !enable_secure ()
		1594	&& getenv ("LIBEV_FLAGS"))
		1595	flags = atoi (getenv ("LIBEV_FLAGS"));
		1596
1366	ev_rt_now = ev_time ();	1597	ev_rt_now = ev_time ();
1367	mn_now = get_clock ();	1598	mn_now = get_clock ();
1368	now_floor = mn_now;	1599	now_floor = mn_now;
1369	rtmn_diff = ev_rt_now - mn_now;	1600	rtmn_diff = ev_rt_now - mn_now;
		1601	#if EV_MINIMAL < 2
		1602	invoke_cb = ev_invoke_pending;
		1603	#endif
1370		1604
1371	io_blocktime = 0.;	1605	io_blocktime = 0.;
1372	timeout_blocktime = 0.;	1606	timeout_blocktime = 0.;
1373	backend = 0;	1607	backend = 0;
1374	backend_fd = -1;	1608	backend_fd = -1;
1375	gotasync = 0;	1609	sig_pending = 0;
		1610	#if EV_ASYNC_ENABLE
		1611	async_pending = 0;
		1612	#endif
1376	#if EV_USE_INOTIFY	1613	#if EV_USE_INOTIFY
1377	fs_fd = -2;	1614	fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;
1378	#endif	1615	#endif
1379		1616	#if EV_USE_SIGNALFD
1380	/* pid check not overridable via env */	1617	sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;
1381	#ifndef _WIN32
1382	if (flags & EVFLAG_FORKCHECK)
1383	curpid = getpid ();
1384	#endif	1618	#endif
1385
1386	if (!(flags & EVFLAG_NOENV)
1387	&& !enable_secure ()
1388	&& getenv ("LIBEV_FLAGS"))
1389	flags = atoi (getenv ("LIBEV_FLAGS"));
1390		1619
1391	if (!(flags & 0x0000ffffU))	1620	if (!(flags & 0x0000ffffU))
1392	flags |= ev_recommended_backends ();	1621	flags |= ev_recommended_backends ();
1393		1622
1394	#if EV_USE_PORT	1623	#if EV_USE_PORT
…		…
1405	#endif	1634	#endif
1406	#if EV_USE_SELECT	1635	#if EV_USE_SELECT
1407	if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags);	1636	if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags);
1408	#endif	1637	#endif
1409		1638
		1639	ev_prepare_init (&pending_w, pendingcb);
		1640
1410	ev_init (&pipeev, pipecb);	1641	ev_init (&pipe_w, pipecb);
1411	ev_set_priority (&pipeev, EV_MAXPRI);	1642	ev_set_priority (&pipe_w, EV_MAXPRI);
1412	}	1643	}
1413	}	1644	}
1414		1645
		1646	/* free up a loop structure */
1415	static void noinline	1647	static void noinline
1416	loop_destroy (EV_P)	1648	loop_destroy (EV_P)
1417	{	1649	{
1418	int i;	1650	int i;
1419		1651
1420	if (ev_is_active (&pipeev))	1652	if (ev_is_active (&pipe_w))
1421	{	1653	{
1422	ev_ref (EV_A); /* signal watcher */	1654	/*ev_ref (EV_A);*/
1423	ev_io_stop (EV_A_ &pipeev);	1655	/*ev_io_stop (EV_A_ &pipe_w);*/
1424		1656
1425	#if EV_USE_EVENTFD	1657	#if EV_USE_EVENTFD
1426	if (evfd >= 0)	1658	if (evfd >= 0)
1427	close (evfd);	1659	close (evfd);
1428	#endif	1660	#endif
1429		1661
1430	if (evpipe [0] >= 0)	1662	if (evpipe [0] >= 0)
1431	{	1663	{
1432	close (evpipe [0]);	1664	EV_WIN32_CLOSE_FD (evpipe [0]);
1433	close (evpipe [1]);	1665	EV_WIN32_CLOSE_FD (evpipe [1]);
1434	}	1666	}
1435	}	1667	}
		1668
		1669	#if EV_USE_SIGNALFD
		1670	if (ev_is_active (&sigfd_w))
		1671	close (sigfd);
		1672	#endif
1436		1673
1437	#if EV_USE_INOTIFY	1674	#if EV_USE_INOTIFY
1438	if (fs_fd >= 0)	1675	if (fs_fd >= 0)
1439	close (fs_fd);	1676	close (fs_fd);
1440	#endif	1677	#endif
…		…
1464	#if EV_IDLE_ENABLE	1701	#if EV_IDLE_ENABLE
1465	array_free (idle, [i]);	1702	array_free (idle, [i]);
1466	#endif	1703	#endif
1467	}	1704	}
1468		1705
1469	ev_free (anfds); anfdmax = 0;	1706	ev_free (anfds); anfds = 0; anfdmax = 0;
1470		1707
1471	/* have to use the microsoft-never-gets-it-right macro */	1708	/* have to use the microsoft-never-gets-it-right macro */
1472	array_free (rfeed, EMPTY);	1709	array_free (rfeed, EMPTY);
1473	array_free (fdchange, EMPTY);	1710	array_free (fdchange, EMPTY);
1474	array_free (timer, EMPTY);	1711	array_free (timer, EMPTY);
…		…
1505	#endif	1742	#endif
1506	#if EV_USE_INOTIFY	1743	#if EV_USE_INOTIFY
1507	infy_fork (EV_A);	1744	infy_fork (EV_A);
1508	#endif	1745	#endif
1509		1746
1510	if (ev_is_active (&pipeev))	1747	if (ev_is_active (&pipe_w))
1511	{	1748	{
1512	/* this "locks" the handlers against writing to the pipe */	1749	/* this "locks" the handlers against writing to the pipe */
1513	/* while we modify the fd vars */	1750	/* while we modify the fd vars */
1514	gotsig = 1;	1751	sig_pending = 1;
1515	#if EV_ASYNC_ENABLE	1752	#if EV_ASYNC_ENABLE
1516	gotasync = 1;	1753	async_pending = 1;
1517	#endif	1754	#endif
1518		1755
1519	ev_ref (EV_A);	1756	ev_ref (EV_A);
1520	ev_io_stop (EV_A_ &pipeev);	1757	ev_io_stop (EV_A_ &pipe_w);
1521		1758
1522	#if EV_USE_EVENTFD	1759	#if EV_USE_EVENTFD
1523	if (evfd >= 0)	1760	if (evfd >= 0)
1524	close (evfd);	1761	close (evfd);
1525	#endif	1762	#endif
1526		1763
1527	if (evpipe [0] >= 0)	1764	if (evpipe [0] >= 0)
1528	{	1765	{
1529	close (evpipe [0]);	1766	EV_WIN32_CLOSE_FD (evpipe [0]);
1530	close (evpipe [1]);	1767	EV_WIN32_CLOSE_FD (evpipe [1]);
1531	}	1768	}
1532		1769
1533	evpipe_init (EV_A);	1770	evpipe_init (EV_A);
1534	/* now iterate over everything, in case we missed something */	1771	/* now iterate over everything, in case we missed something */
1535	pipecb (EV_A_ &pipeev, EV_READ);	1772	pipecb (EV_A_ &pipe_w, EV_READ);
1536	}	1773	}
1537		1774
1538	postfork = 0;	1775	postfork = 0;
1539	}	1776	}
1540		1777
1541	#if EV_MULTIPLICITY	1778	#if EV_MULTIPLICITY
1542		1779
1543	struct ev_loop *	1780	struct ev_loop *
1544	ev_loop_new (unsigned int flags)	1781	ev_loop_new (unsigned int flags)
1545	{	1782	{
1546	struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));	1783	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
1547		1784
1548	memset (loop, 0, sizeof (struct ev_loop));	1785	memset (EV_A, 0, sizeof (struct ev_loop));
1549
1550	loop_init (EV_A_ flags);	1786	loop_init (EV_A_ flags);
1551		1787
1552	if (ev_backend (EV_A))	1788	if (ev_backend (EV_A))
1553	return loop;	1789	return EV_A;
1554		1790
1555	return 0;	1791	return 0;
1556	}	1792	}
1557		1793
1558	void	1794	void
…		…
1565	void	1801	void
1566	ev_loop_fork (EV_P)	1802	ev_loop_fork (EV_P)
1567	{	1803	{
1568	postfork = 1; /* must be in line with ev_default_fork */	1804	postfork = 1; /* must be in line with ev_default_fork */
1569	}	1805	}
		1806	#endif /* multiplicity */
1570		1807
1571	#if EV_VERIFY	1808	#if EV_VERIFY
1572	static void noinline	1809	static void noinline
1573	verify_watcher (EV_P_ W w)	1810	verify_watcher (EV_P_ W w)
1574	{	1811	{
…		…
1602	verify_watcher (EV_A_ ws [cnt]);	1839	verify_watcher (EV_A_ ws [cnt]);
1603	}	1840	}
1604	}	1841	}
1605	#endif	1842	#endif
1606		1843
		1844	#if EV_MINIMAL < 2
1607	void	1845	void
1608	ev_loop_verify (EV_P)	1846	ev_loop_verify (EV_P)
1609	{	1847	{
1610	#if EV_VERIFY	1848	#if EV_VERIFY
1611	int i;	1849	int i;
…		…
1660	assert (checkmax >= checkcnt);	1898	assert (checkmax >= checkcnt);
1661	array_verify (EV_A_ (W *)checks, checkcnt);	1899	array_verify (EV_A_ (W *)checks, checkcnt);
1662		1900
1663	# if 0	1901	# if 0
1664	for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next)	1902	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)	1903	for (signum = EV_NSIG; signum--; ) if (signals [signum].pending)
1666	# endif
1667	#endif	1904	# endif
		1905	#endif
1668	}	1906	}
1669		1907	#endif
1670	#endif /* multiplicity */
1671		1908
1672	#if EV_MULTIPLICITY	1909	#if EV_MULTIPLICITY
1673	struct ev_loop *	1910	struct ev_loop *
1674	ev_default_loop_init (unsigned int flags)	1911	ev_default_loop_init (unsigned int flags)
1675	#else	1912	#else
…		…
1678	#endif	1915	#endif
1679	{	1916	{
1680	if (!ev_default_loop_ptr)	1917	if (!ev_default_loop_ptr)
1681	{	1918	{
1682	#if EV_MULTIPLICITY	1919	#if EV_MULTIPLICITY
1683	struct ev_loop *loop = ev_default_loop_ptr = &default_loop_struct;	1920	EV_P = ev_default_loop_ptr = &default_loop_struct;
1684	#else	1921	#else
1685	ev_default_loop_ptr = 1;	1922	ev_default_loop_ptr = 1;
1686	#endif	1923	#endif
1687		1924
1688	loop_init (EV_A_ flags);	1925	loop_init (EV_A_ flags);
…		…
1705		1942
1706	void	1943	void
1707	ev_default_destroy (void)	1944	ev_default_destroy (void)
1708	{	1945	{
1709	#if EV_MULTIPLICITY	1946	#if EV_MULTIPLICITY
1710	struct ev_loop *loop = ev_default_loop_ptr;	1947	EV_P = ev_default_loop_ptr;
1711	#endif	1948	#endif
1712		1949
1713	ev_default_loop_ptr = 0;	1950	ev_default_loop_ptr = 0;
1714		1951
1715	#ifndef _WIN32	1952	#ifndef _WIN32
…		…
1722		1959
1723	void	1960	void
1724	ev_default_fork (void)	1961	ev_default_fork (void)
1725	{	1962	{
1726	#if EV_MULTIPLICITY	1963	#if EV_MULTIPLICITY
1727	struct ev_loop *loop = ev_default_loop_ptr;	1964	EV_P = ev_default_loop_ptr;
1728	#endif	1965	#endif
1729		1966
1730	postfork = 1; /* must be in line with ev_loop_fork */	1967	postfork = 1; /* must be in line with ev_loop_fork */
1731	}	1968	}
1732		1969
…		…
1736	ev_invoke (EV_P_ void *w, int revents)	1973	ev_invoke (EV_P_ void *w, int revents)
1737	{	1974	{
1738	EV_CB_INVOKE ((W)w, revents);	1975	EV_CB_INVOKE ((W)w, revents);
1739	}	1976	}
1740		1977
1741	inline_speed void	1978	unsigned int
1742	call_pending (EV_P)	1979	ev_pending_count (EV_P)
		1980	{
		1981	int pri;
		1982	unsigned int count = 0;
		1983
		1984	for (pri = NUMPRI; pri--; )
		1985	count += pendingcnt [pri];
		1986
		1987	return count;
		1988	}
		1989
		1990	void noinline
		1991	ev_invoke_pending (EV_P)
1743	{	1992	{
1744	int pri;	1993	int pri;
1745		1994
1746	for (pri = NUMPRI; pri--; )	1995	for (pri = NUMPRI; pri--; )
1747	while (pendingcnt [pri])	1996	while (pendingcnt [pri])
1748	{	1997	{
1749	ANPENDING *p = pendings [pri] + --pendingcnt [pri];	1998	ANPENDING *p = pendings [pri] + --pendingcnt [pri];
1750		1999
1751	if (expect_true (p->w))
1752	{
1753	/*assert (("libev: non-pending watcher on pending list", p->w->pending));*/	2000	/*assert (("libev: non-pending watcher on pending list", p->w->pending));*/
		2001	/* ^ this is no longer true, as pending_w could be here */
1754		2002
1755	p->w->pending = 0;	2003	p->w->pending = 0;
1756	EV_CB_INVOKE (p->w, p->events);	2004	EV_CB_INVOKE (p->w, p->events);
1757	EV_FREQUENT_CHECK;	2005	EV_FREQUENT_CHECK;
1758	}
1759	}	2006	}
1760	}	2007	}
1761		2008
1762	#if EV_IDLE_ENABLE	2009	#if EV_IDLE_ENABLE
		2010	/* make idle watchers pending. this handles the "call-idle */
		2011	/* only when higher priorities are idle" logic */
1763	inline_size void	2012	inline_size void
1764	idle_reify (EV_P)	2013	idle_reify (EV_P)
1765	{	2014	{
1766	if (expect_false (idleall))	2015	if (expect_false (idleall))
1767	{	2016	{
…		…
1780	}	2029	}
1781	}	2030	}
1782	}	2031	}
1783	#endif	2032	#endif
1784		2033
		2034	/* make timers pending */
1785	inline_size void	2035	inline_size void
1786	timers_reify (EV_P)	2036	timers_reify (EV_P)
1787	{	2037	{
1788	EV_FREQUENT_CHECK;	2038	EV_FREQUENT_CHECK;
1789		2039
…		…
1818	feed_reverse_done (EV_A_ EV_TIMEOUT);	2068	feed_reverse_done (EV_A_ EV_TIMEOUT);
1819	}	2069	}
1820	}	2070	}
1821		2071
1822	#if EV_PERIODIC_ENABLE	2072	#if EV_PERIODIC_ENABLE
		2073	/* make periodics pending */
1823	inline_size void	2074	inline_size void
1824	periodics_reify (EV_P)	2075	periodics_reify (EV_P)
1825	{	2076	{
1826	EV_FREQUENT_CHECK;	2077	EV_FREQUENT_CHECK;
1827		2078
…		…
1874		2125
1875	feed_reverse_done (EV_A_ EV_PERIODIC);	2126	feed_reverse_done (EV_A_ EV_PERIODIC);
1876	}	2127	}
1877	}	2128	}
1878		2129
		2130	/* simply recalculate all periodics */
		2131	/* TODO: maybe ensure that at leats one event happens when jumping forward? */
1879	static void noinline	2132	static void noinline
1880	periodics_reschedule (EV_P)	2133	periodics_reschedule (EV_P)
1881	{	2134	{
1882	int i;	2135	int i;
1883		2136
…		…
1896		2149
1897	reheap (periodics, periodiccnt);	2150	reheap (periodics, periodiccnt);
1898	}	2151	}
1899	#endif	2152	#endif
1900		2153
		2154	/* adjust all timers by a given offset */
1901	static void noinline	2155	static void noinline
1902	timers_reschedule (EV_P_ ev_tstamp adjust)	2156	timers_reschedule (EV_P_ ev_tstamp adjust)
1903	{	2157	{
1904	int i;	2158	int i;
1905		2159
…		…
1909	ANHE_w (*he)->at += adjust;	2163	ANHE_w (*he)->at += adjust;
1910	ANHE_at_cache (*he);	2164	ANHE_at_cache (*he);
1911	}	2165	}
1912	}	2166	}
1913		2167
		2168	/* fetch new monotonic and realtime times from the kernel */
		2169	/* also detect if there was a timejump, and act accordingly */
1914	inline_speed void	2170	inline_speed void
1915	time_update (EV_P_ ev_tstamp max_block)	2171	time_update (EV_P_ ev_tstamp max_block)
1916	{	2172	{
1917	int i;
1918
1919	#if EV_USE_MONOTONIC	2173	#if EV_USE_MONOTONIC
1920	if (expect_true (have_monotonic))	2174	if (expect_true (have_monotonic))
1921	{	2175	{
		2176	int i;
1922	ev_tstamp odiff = rtmn_diff;	2177	ev_tstamp odiff = rtmn_diff;
1923		2178
1924	mn_now = get_clock ();	2179	mn_now = get_clock ();
1925		2180
1926	/* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */	2181	/* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */
…		…
1976		2231
1977	mn_now = ev_rt_now;	2232	mn_now = ev_rt_now;
1978	}	2233	}
1979	}	2234	}
1980		2235
1981	static int loop_done;
1982
1983	void	2236	void
1984	ev_loop (EV_P_ int flags)	2237	ev_loop (EV_P_ int flags)
1985	{	2238	{
		2239	#if EV_MINIMAL < 2
		2240	++loop_depth;
		2241	#endif
		2242
		2243	assert (("libev: ev_loop recursion during release detected", loop_done != EVUNLOOP_RECURSE));
		2244
1986	loop_done = EVUNLOOP_CANCEL;	2245	loop_done = EVUNLOOP_CANCEL;
1987		2246
1988	call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */	2247	EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */
1989		2248
1990	do	2249	do
1991	{	2250	{
1992	#if EV_VERIFY >= 2	2251	#if EV_VERIFY >= 2
1993	ev_loop_verify (EV_A);	2252	ev_loop_verify (EV_A);
…		…
2006	/* we might have forked, so queue fork handlers */	2265	/* we might have forked, so queue fork handlers */
2007	if (expect_false (postfork))	2266	if (expect_false (postfork))
2008	if (forkcnt)	2267	if (forkcnt)
2009	{	2268	{
2010	queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);	2269	queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);
2011	call_pending (EV_A);	2270	EV_INVOKE_PENDING;
2012	}	2271	}
2013	#endif	2272	#endif
2014		2273
2015	/* queue prepare watchers (and execute them) */	2274	/* queue prepare watchers (and execute them) */
2016	if (expect_false (preparecnt))	2275	if (expect_false (preparecnt))
2017	{	2276	{
2018	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);	2277	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
2019	call_pending (EV_A);	2278	EV_INVOKE_PENDING;
2020	}	2279	}
		2280
		2281	if (expect_false (loop_done))
		2282	break;
2021		2283
2022	/* we might have forked, so reify kernel state if necessary */	2284	/* we might have forked, so reify kernel state if necessary */
2023	if (expect_false (postfork))	2285	if (expect_false (postfork))
2024	loop_fork (EV_A);	2286	loop_fork (EV_A);
2025		2287
…		…
2031	ev_tstamp waittime = 0.;	2293	ev_tstamp waittime = 0.;
2032	ev_tstamp sleeptime = 0.;	2294	ev_tstamp sleeptime = 0.;
2033		2295
2034	if (expect_true (!(flags & EVLOOP_NONBLOCK || idleall || !activecnt)))	2296	if (expect_true (!(flags & EVLOOP_NONBLOCK || idleall || !activecnt)))
2035	{	2297	{
		2298	/* remember old timestamp for io_blocktime calculation */
		2299	ev_tstamp prev_mn_now = mn_now;
		2300
2036	/* update time to cancel out callback processing overhead */	2301	/* update time to cancel out callback processing overhead */
2037	time_update (EV_A_ 1e100);	2302	time_update (EV_A_ 1e100);
		2303
		2304	waittime = MAX_BLOCKTIME;
2038		2305
2039	if (timercnt)	2306	if (timercnt)
2040	{	2307	{
2041	ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge;	2308	ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge;
2042	if (waittime > to) waittime = to;	2309	if (waittime > to) waittime = to;
…		…
2048	ev_tstamp to = ANHE_at (periodics [HEAP0]) - ev_rt_now + backend_fudge;	2315	ev_tstamp to = ANHE_at (periodics [HEAP0]) - ev_rt_now + backend_fudge;
2049	if (waittime > to) waittime = to;	2316	if (waittime > to) waittime = to;
2050	}	2317	}
2051	#endif	2318	#endif
2052		2319
		2320	/* don't let timeouts decrease the waittime below timeout_blocktime */
2053	if (expect_false (waittime < timeout_blocktime))	2321	if (expect_false (waittime < timeout_blocktime))
2054	waittime = timeout_blocktime;	2322	waittime = timeout_blocktime;
2055		2323
2056	sleeptime = waittime - backend_fudge;	2324	/* extra check because io_blocktime is commonly 0 */
2057
2058	if (expect_true (sleeptime > io_blocktime))	2325	if (expect_false (io_blocktime))
2059	sleeptime = io_blocktime;
2060
2061	if (sleeptime)
2062	{	2326	{
		2327	sleeptime = io_blocktime - (mn_now - prev_mn_now);
		2328
		2329	if (sleeptime > waittime - backend_fudge)
		2330	sleeptime = waittime - backend_fudge;
		2331
		2332	if (expect_true (sleeptime > 0.))
		2333	{
2063	ev_sleep (sleeptime);	2334	ev_sleep (sleeptime);
2064	waittime -= sleeptime;	2335	waittime -= sleeptime;
		2336	}
2065	}	2337	}
2066	}	2338	}
2067		2339
		2340	#if EV_MINIMAL < 2
2068	++loop_count;	2341	++loop_count;
		2342	#endif
		2343	assert ((loop_done = EVUNLOOP_RECURSE, 1)); /* assert for side effect */
2069	backend_poll (EV_A_ waittime);	2344	backend_poll (EV_A_ waittime);
		2345	assert ((loop_done = EVUNLOOP_CANCEL, 1)); /* assert for side effect */
2070		2346
2071	/* update ev_rt_now, do magic */	2347	/* update ev_rt_now, do magic */
2072	time_update (EV_A_ waittime + sleeptime);	2348	time_update (EV_A_ waittime + sleeptime);
2073	}	2349	}
2074		2350
…		…
2085		2361
2086	/* queue check watchers, to be executed first */	2362	/* queue check watchers, to be executed first */
2087	if (expect_false (checkcnt))	2363	if (expect_false (checkcnt))
2088	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);	2364	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
2089		2365
2090	call_pending (EV_A);	2366	EV_INVOKE_PENDING;
2091	}	2367	}
2092	while (expect_true (	2368	while (expect_true (
2093	activecnt	2369	activecnt
2094	&& !loop_done	2370	&& !loop_done
2095	&& !(flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK))	2371	&& !(flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK))
2096	));	2372	));
2097		2373
2098	if (loop_done == EVUNLOOP_ONE)	2374	if (loop_done == EVUNLOOP_ONE)
2099	loop_done = EVUNLOOP_CANCEL;	2375	loop_done = EVUNLOOP_CANCEL;
		2376
		2377	#if EV_MINIMAL < 2
		2378	--loop_depth;
		2379	#endif
2100	}	2380	}
2101		2381
2102	void	2382	void
2103	ev_unloop (EV_P_ int how)	2383	ev_unloop (EV_P_ int how)
2104	{	2384	{
…		…
2133	ev_resume (EV_P)	2413	ev_resume (EV_P)
2134	{	2414	{
2135	ev_tstamp mn_prev = mn_now;	2415	ev_tstamp mn_prev = mn_now;
2136		2416
2137	ev_now_update (EV_A);	2417	ev_now_update (EV_A);
2138	printf ("update %f\n", mn_now - mn_prev);//D
2139	timers_reschedule (EV_A_ mn_now - mn_prev);	2418	timers_reschedule (EV_A_ mn_now - mn_prev);
		2419	#if EV_PERIODIC_ENABLE
		2420	/* TODO: really do this? */
2140	periodics_reschedule (EV_A);	2421	periodics_reschedule (EV_A);
		2422	#endif
2141	}	2423	}
2142		2424
2143	/*****************************************************************************/	2425	/*****************************************************************************/
		2426	/* singly-linked list management, used when the expected list length is short */
2144		2427
2145	inline_size void	2428	inline_size void
2146	wlist_add (WL *head, WL elem)	2429	wlist_add (WL *head, WL elem)
2147	{	2430	{
2148	elem->next = *head;	2431	elem->next = *head;
…		…
2152	inline_size void	2435	inline_size void
2153	wlist_del (WL *head, WL elem)	2436	wlist_del (WL *head, WL elem)
2154	{	2437	{
2155	while (*head)	2438	while (*head)
2156	{	2439	{
2157	if (*head == elem)	2440	if (expect_true (*head == elem))
2158	{	2441	{
2159	*head = elem->next;	2442	*head = elem->next;
2160	return;	2443	break;
2161	}	2444	}
2162		2445
2163	head = &(*head)->next;	2446	head = &(*head)->next;
2164	}	2447	}
2165	}	2448	}
2166		2449
		2450	/* internal, faster, version of ev_clear_pending */
2167	inline_speed void	2451	inline_speed void
2168	clear_pending (EV_P_ W w)	2452	clear_pending (EV_P_ W w)
2169	{	2453	{
2170	if (w->pending)	2454	if (w->pending)
2171	{	2455	{
2172	pendings [ABSPRI (w)][w->pending - 1].w = 0;	2456	pendings [ABSPRI (w)][w->pending - 1].w = (W)&pending_w;
2173	w->pending = 0;	2457	w->pending = 0;
2174	}	2458	}
2175	}	2459	}
2176		2460
2177	int	2461	int
…		…
2181	int pending = w_->pending;	2465	int pending = w_->pending;
2182		2466
2183	if (expect_true (pending))	2467	if (expect_true (pending))
2184	{	2468	{
2185	ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1;	2469	ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1;
		2470	p->w = (W)&pending_w;
2186	w_->pending = 0;	2471	w_->pending = 0;
2187	p->w = 0;
2188	return p->events;	2472	return p->events;
2189	}	2473	}
2190	else	2474	else
2191	return 0;	2475	return 0;
2192	}	2476	}
2193		2477
2194	inline_size void	2478	inline_size void
2195	pri_adjust (EV_P_ W w)	2479	pri_adjust (EV_P_ W w)
2196	{	2480	{
2197	int pri = w->priority;	2481	int pri = ev_priority (w);
2198	pri = pri < EV_MINPRI ? EV_MINPRI : pri;	2482	pri = pri < EV_MINPRI ? EV_MINPRI : pri;
2199	pri = pri > EV_MAXPRI ? EV_MAXPRI : pri;	2483	pri = pri > EV_MAXPRI ? EV_MAXPRI : pri;
2200	w->priority = pri;	2484	ev_set_priority (w, pri);
2201	}	2485	}
2202		2486
2203	inline_speed void	2487	inline_speed void
2204	ev_start (EV_P_ W w, int active)	2488	ev_start (EV_P_ W w, int active)
2205	{	2489	{
…		…
2224		2508
2225	if (expect_false (ev_is_active (w)))	2509	if (expect_false (ev_is_active (w)))
2226	return;	2510	return;
2227		2511
2228	assert (("libev: ev_io_start called with negative fd", fd >= 0));	2512	assert (("libev: ev_io_start called with negative fd", fd >= 0));
2229	assert (("libev: ev_io start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE))));	2513	assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE))));
2230		2514
2231	EV_FREQUENT_CHECK;	2515	EV_FREQUENT_CHECK;
2232		2516
2233	ev_start (EV_A_ (W)w, 1);	2517	ev_start (EV_A_ (W)w, 1);
2234	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);	2518	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);
2235	wlist_add (&anfds[fd].head, (WL)w);	2519	wlist_add (&anfds[fd].head, (WL)w);
2236		2520
2237	fd_change (EV_A_ fd, w->events & EV__IOFDSET | 1);	2521	fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY);
2238	w->events &= ~EV__IOFDSET;	2522	w->events &= ~EV__IOFDSET;
2239		2523
2240	EV_FREQUENT_CHECK;	2524	EV_FREQUENT_CHECK;
2241	}	2525	}
2242		2526
…		…
2336	}	2620	}
2337		2621
2338	EV_FREQUENT_CHECK;	2622	EV_FREQUENT_CHECK;
2339	}	2623	}
2340		2624
		2625	ev_tstamp
		2626	ev_timer_remaining (EV_P_ ev_timer *w)
		2627	{
		2628	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
		2629	}
		2630
2341	#if EV_PERIODIC_ENABLE	2631	#if EV_PERIODIC_ENABLE
2342	void noinline	2632	void noinline
2343	ev_periodic_start (EV_P_ ev_periodic *w)	2633	ev_periodic_start (EV_P_ ev_periodic *w)
2344	{	2634	{
2345	if (expect_false (ev_is_active (w)))	2635	if (expect_false (ev_is_active (w)))
…		…
2412	#endif	2702	#endif
2413		2703
2414	void noinline	2704	void noinline
2415	ev_signal_start (EV_P_ ev_signal *w)	2705	ev_signal_start (EV_P_ ev_signal *w)
2416	{	2706	{
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)))	2707	if (expect_false (ev_is_active (w)))
2421	return;	2708	return;
2422		2709
2423	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0));	2710	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));
2424		2711
2425	evpipe_init (EV_A);	2712	#if EV_MULTIPLICITY
		2713	assert (("libev: a signal must not be attached to two different loops",
		2714	!signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop));
2426		2715
2427	EV_FREQUENT_CHECK;	2716	signals [w->signum - 1].loop = EV_A;
		2717	#endif
2428		2718
		2719	EV_FREQUENT_CHECK;
		2720
		2721	#if EV_USE_SIGNALFD
		2722	if (sigfd == -2)
2429	{	2723	{
2430	#ifndef _WIN32	2724	sigfd = signalfd (-1, &sigfd_set, SFD_NONBLOCK | SFD_CLOEXEC);
2431	sigset_t full, prev;	2725	if (sigfd < 0 && errno == EINVAL)
2432	sigfillset (&full);	2726	sigfd = signalfd (-1, &sigfd_set, 0); /* retry without flags */
2433	sigprocmask (SIG_SETMASK, &full, &prev);
2434	#endif
2435		2727
2436	array_needsize (ANSIG, signals, signalmax, w->signum, array_init_zero);	2728	if (sigfd >= 0)
		2729	{
		2730	fd_intern (sigfd); /* doing it twice will not hurt */
2437		2731
2438	#ifndef _WIN32	2732	sigemptyset (&sigfd_set);
2439	sigprocmask (SIG_SETMASK, &prev, 0);	2733
2440	#endif	2734	ev_io_init (&sigfd_w, sigfdcb, sigfd, EV_READ);
		2735	ev_set_priority (&sigfd_w, EV_MAXPRI);
		2736	ev_io_start (EV_A_ &sigfd_w);
		2737	ev_unref (EV_A); /* signalfd watcher should not keep loop alive */
		2738	}
2441	}	2739	}
		2740
		2741	if (sigfd >= 0)
		2742	{
		2743	/* TODO: check .head */
		2744	sigaddset (&sigfd_set, w->signum);
		2745	sigprocmask (SIG_BLOCK, &sigfd_set, 0);
		2746
		2747	signalfd (sigfd, &sigfd_set, 0);
		2748	}
		2749	#endif
2442		2750
2443	ev_start (EV_A_ (W)w, 1);	2751	ev_start (EV_A_ (W)w, 1);
2444	wlist_add (&signals [w->signum - 1].head, (WL)w);	2752	wlist_add (&signals [w->signum - 1].head, (WL)w);
2445		2753
2446	if (!((WL)w)->next)	2754	if (!((WL)w)->next)
		2755	# if EV_USE_SIGNALFD
		2756	if (sigfd < 0) /*TODO*/
		2757	# endif
2447	{	2758	{
2448	#if _WIN32	2759	# ifdef _WIN32
		2760	evpipe_init (EV_A);
		2761
2449	signal (w->signum, ev_sighandler);	2762	signal (w->signum, ev_sighandler);
2450	#else	2763	# else
2451	struct sigaction sa;	2764	struct sigaction sa;
		2765
		2766	evpipe_init (EV_A);
		2767
2452	sa.sa_handler = ev_sighandler;	2768	sa.sa_handler = ev_sighandler;
2453	sigfillset (&sa.sa_mask);	2769	sigfillset (&sa.sa_mask);
2454	sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */	2770	sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */
2455	sigaction (w->signum, &sa, 0);	2771	sigaction (w->signum, &sa, 0);
		2772
		2773	sigemptyset (&sa.sa_mask);
		2774	sigaddset (&sa.sa_mask, w->signum);
		2775	sigprocmask (SIG_UNBLOCK, &sa.sa_mask, 0);
2456	#endif	2776	#endif
2457	}	2777	}
2458		2778
2459	EV_FREQUENT_CHECK;	2779	EV_FREQUENT_CHECK;
2460	}	2780	}
2461		2781
2462	void noinline	2782	void noinline
…		…
2470		2790
2471	wlist_del (&signals [w->signum - 1].head, (WL)w);	2791	wlist_del (&signals [w->signum - 1].head, (WL)w);
2472	ev_stop (EV_A_ (W)w);	2792	ev_stop (EV_A_ (W)w);
2473		2793
2474	if (!signals [w->signum - 1].head)	2794	if (!signals [w->signum - 1].head)
		2795	{
		2796	#if EV_MULTIPLICITY
		2797	signals [w->signum - 1].loop = 0; /* unattach from signal */
		2798	#endif
		2799	#if EV_USE_SIGNALFD
		2800	if (sigfd >= 0)
		2801	{
		2802	sigset_t ss;
		2803
		2804	sigemptyset (&ss);
		2805	sigaddset (&ss, w->signum);
		2806	sigdelset (&sigfd_set, w->signum);
		2807
		2808	signalfd (sigfd, &sigfd_set, 0);
		2809	sigprocmask (SIG_UNBLOCK, &ss, 0);
		2810	}
		2811	else
		2812	#endif
2475	signal (w->signum, SIG_DFL);	2813	signal (w->signum, SIG_DFL);
		2814	}
2476		2815
2477	EV_FREQUENT_CHECK;	2816	EV_FREQUENT_CHECK;
2478	}	2817	}
2479		2818
2480	void	2819	void
…		…
2521	#define MIN_STAT_INTERVAL 0.1074891	2860	#define MIN_STAT_INTERVAL 0.1074891
2522		2861
2523	static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents);	2862	static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents);
2524		2863
2525	#if EV_USE_INOTIFY	2864	#if EV_USE_INOTIFY
2526	# define EV_INOTIFY_BUFSIZE 8192	2865
		2866	/* the * 2 is to allow for alignment padding, which for some reason is >> 8 */
		2867	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)
2527		2868
2528	static void noinline	2869	static void noinline
2529	infy_add (EV_P_ ev_stat *w)	2870	infy_add (EV_P_ ev_stat *w)
2530	{	2871	{
2531	w->wd = inotify_add_watch (fs_fd, w->path, IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY | IN_DONT_FOLLOW | IN_MASK_ADD);	2872	w->wd = inotify_add_watch (fs_fd, w->path, IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY | IN_DONT_FOLLOW | IN_MASK_ADD);
2532		2873
2533	if (w->wd < 0)	2874	if (w->wd >= 0)
		2875	{
		2876	struct statfs sfs;
		2877
		2878	/* now local changes will be tracked by inotify, but remote changes won't */
		2879	/* unless the filesystem is known to be local, we therefore still poll */
		2880	/* also do poll on <2.6.25, but with normal frequency */
		2881
		2882	if (!fs_2625)
		2883	w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;
		2884	else if (!statfs (w->path, &sfs)
		2885	&& (sfs.f_type == 0x1373 /* devfs */
		2886	|| sfs.f_type == 0xEF53 /* ext2/3 */
		2887	|| sfs.f_type == 0x3153464a /* jfs */
		2888	|| sfs.f_type == 0x52654973 /* reiser3 */
		2889	|| sfs.f_type == 0x01021994 /* tempfs */
		2890	|| sfs.f_type == 0x58465342 /* xfs */))
		2891	w->timer.repeat = 0.; /* filesystem is local, kernel new enough */
		2892	else
		2893	w->timer.repeat = w->interval ? w->interval : NFS_STAT_INTERVAL; /* remote, use reduced frequency */
2534	{	2894	}
		2895	else
		2896	{
		2897	/* can't use inotify, continue to stat */
2535	w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;	2898	w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;
2536	ev_timer_again (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */
2537		2899
2538	/* monitor some parent directory for speedup hints */	2900	/* if path is not there, monitor some parent directory for speedup hints */
2539	/* note that exceeding the hardcoded path limit is not a correctness issue, */	2901	/* note that exceeding the hardcoded path limit is not a correctness issue, */
2540	/* but an efficiency issue only */	2902	/* but an efficiency issue only */
2541	if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096)	2903	if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096)
2542	{	2904	{
2543	char path [4096];	2905	char path [4096];
…		…
2559	while (w->wd < 0 && (errno == ENOENT || errno == EACCES));	2921	while (w->wd < 0 && (errno == ENOENT || errno == EACCES));
2560	}	2922	}
2561	}	2923	}
2562		2924
2563	if (w->wd >= 0)	2925	if (w->wd >= 0)
2564	{
2565	wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w);	2926	wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w);
2566		2927
2567	/* now local changes will be tracked by inotify, but remote changes won't */	2928	/* now re-arm timer, if required */
2568	/* unless the filesystem it known to be local, we therefore still poll */	2929	if (ev_is_active (&w->timer)) ev_ref (EV_A);
2569	/* also do poll on <2.6.25, but with normal frequency */
2570	struct statfs sfs;
2571
2572	if (fs_2625 && !statfs (w->path, &sfs))
2573	if (sfs.f_type == 0x1373 /* devfs */
2574	|| sfs.f_type == 0xEF53 /* ext2/3 */
2575	|| sfs.f_type == 0x3153464a /* jfs */
2576	|| sfs.f_type == 0x52654973 /* reiser3 */
2577	|| sfs.f_type == 0x01021994 /* tempfs */
2578	|| sfs.f_type == 0x58465342 /* xfs */)
2579	return;
2580
2581	w->timer.repeat = w->interval ? w->interval : fs_2625 ? NFS_STAT_INTERVAL : DEF_STAT_INTERVAL;
2582	ev_timer_again (EV_A_ &w->timer);	2930	ev_timer_again (EV_A_ &w->timer);
2583	}	2931	if (ev_is_active (&w->timer)) ev_unref (EV_A);
2584	}	2932	}
2585		2933
2586	static void noinline	2934	static void noinline
2587	infy_del (EV_P_ ev_stat *w)	2935	infy_del (EV_P_ ev_stat *w)
2588	{	2936	{
…		…
2633		2981
2634	static void	2982	static void
2635	infy_cb (EV_P_ ev_io *w, int revents)	2983	infy_cb (EV_P_ ev_io *w, int revents)
2636	{	2984	{
2637	char buf [EV_INOTIFY_BUFSIZE];	2985	char buf [EV_INOTIFY_BUFSIZE];
2638	struct inotify_event *ev = (struct inotify_event *)buf;
2639	int ofs;	2986	int ofs;
2640	int len = read (fs_fd, buf, sizeof (buf));	2987	int len = read (fs_fd, buf, sizeof (buf));
2641		2988
2642	for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len)	2989	for (ofs = 0; ofs < len; )
		2990	{
		2991	struct inotify_event *ev = (struct inotify_event *)(buf + ofs);
2643	infy_wd (EV_A_ ev->wd, ev->wd, ev);	2992	infy_wd (EV_A_ ev->wd, ev->wd, ev);
		2993	ofs += sizeof (struct inotify_event) + ev->len;
		2994	}
2644	}	2995	}
2645		2996
2646	inline_size void	2997	inline_size void
2647	check_2625 (EV_P)	2998	check_2625 (EV_P)
2648	{	2999	{
…		…
2664	return;	3015	return;
2665		3016
2666	fs_2625 = 1;	3017	fs_2625 = 1;
2667	}	3018	}
2668		3019
		3020	inline_size int
		3021	infy_newfd (void)
		3022	{
		3023	#if defined (IN_CLOEXEC) && defined (IN_NONBLOCK)
		3024	int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK);
		3025	if (fd >= 0)
		3026	return fd;
		3027	#endif
		3028	return inotify_init ();
		3029	}
		3030
2669	inline_size void	3031	inline_size void
2670	infy_init (EV_P)	3032	infy_init (EV_P)
2671	{	3033	{
2672	if (fs_fd != -2)	3034	if (fs_fd != -2)
2673	return;	3035	return;
2674		3036
2675	fs_fd = -1;	3037	fs_fd = -1;
2676		3038
2677	check_2625 (EV_A);	3039	check_2625 (EV_A);
2678		3040
2679	fs_fd = inotify_init ();	3041	fs_fd = infy_newfd ();
2680		3042
2681	if (fs_fd >= 0)	3043	if (fs_fd >= 0)
2682	{	3044	{
		3045	fd_intern (fs_fd);
2683	ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ);	3046	ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ);
2684	ev_set_priority (&fs_w, EV_MAXPRI);	3047	ev_set_priority (&fs_w, EV_MAXPRI);
2685	ev_io_start (EV_A_ &fs_w);	3048	ev_io_start (EV_A_ &fs_w);
		3049	ev_unref (EV_A);
2686	}	3050	}
2687	}	3051	}
2688		3052
2689	inline_size void	3053	inline_size void
2690	infy_fork (EV_P)	3054	infy_fork (EV_P)
…		…
2692	int slot;	3056	int slot;
2693		3057
2694	if (fs_fd < 0)	3058	if (fs_fd < 0)
2695	return;	3059	return;
2696		3060
		3061	ev_ref (EV_A);
		3062	ev_io_stop (EV_A_ &fs_w);
2697	close (fs_fd);	3063	close (fs_fd);
2698	fs_fd = inotify_init ();	3064	fs_fd = infy_newfd ();
		3065
		3066	if (fs_fd >= 0)
		3067	{
		3068	fd_intern (fs_fd);
		3069	ev_io_set (&fs_w, fs_fd, EV_READ);
		3070	ev_io_start (EV_A_ &fs_w);
		3071	ev_unref (EV_A);
		3072	}
2699		3073
2700	for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot)	3074	for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot)
2701	{	3075	{
2702	WL w_ = fs_hash [slot].head;	3076	WL w_ = fs_hash [slot].head;
2703	fs_hash [slot].head = 0;	3077	fs_hash [slot].head = 0;
…		…
2710	w->wd = -1;	3084	w->wd = -1;
2711		3085
2712	if (fs_fd >= 0)	3086	if (fs_fd >= 0)
2713	infy_add (EV_A_ w); /* re-add, no matter what */	3087	infy_add (EV_A_ w); /* re-add, no matter what */
2714	else	3088	else
		3089	{
		3090	w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;
		3091	if (ev_is_active (&w->timer)) ev_ref (EV_A);
2715	ev_timer_again (EV_A_ &w->timer);	3092	ev_timer_again (EV_A_ &w->timer);
		3093	if (ev_is_active (&w->timer)) ev_unref (EV_A);
		3094	}
2716	}	3095	}
2717	}	3096	}
2718	}	3097	}
2719		3098
2720	#endif	3099	#endif
…		…
2737	static void noinline	3116	static void noinline
2738	stat_timer_cb (EV_P_ ev_timer *w_, int revents)	3117	stat_timer_cb (EV_P_ ev_timer *w_, int revents)
2739	{	3118	{
2740	ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer));	3119	ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer));
2741		3120
2742	/* we copy this here each the time so that */	3121	ev_statdata prev = w->attr;
2743	/* prev has the old value when the callback gets invoked */
2744	w->prev = w->attr;
2745	ev_stat_stat (EV_A_ w);	3122	ev_stat_stat (EV_A_ w);
2746		3123
2747	/* memcmp doesn't work on netbsd, they.... do stuff to their struct stat */	3124	/* memcmp doesn't work on netbsd, they.... do stuff to their struct stat */
2748	if (	3125	if (
2749	w->prev.st_dev != w->attr.st_dev	3126	prev.st_dev != w->attr.st_dev
2750	|| w->prev.st_ino != w->attr.st_ino	3127	|| prev.st_ino != w->attr.st_ino
2751	|| w->prev.st_mode != w->attr.st_mode	3128	|| prev.st_mode != w->attr.st_mode
2752	|| w->prev.st_nlink != w->attr.st_nlink	3129	|| prev.st_nlink != w->attr.st_nlink
2753	|| w->prev.st_uid != w->attr.st_uid	3130	|| prev.st_uid != w->attr.st_uid
2754	|| w->prev.st_gid != w->attr.st_gid	3131	|| prev.st_gid != w->attr.st_gid
2755	|| w->prev.st_rdev != w->attr.st_rdev	3132	|| prev.st_rdev != w->attr.st_rdev
2756	|| w->prev.st_size != w->attr.st_size	3133	|| prev.st_size != w->attr.st_size
2757	|| w->prev.st_atime != w->attr.st_atime	3134	|| prev.st_atime != w->attr.st_atime
2758	|| w->prev.st_mtime != w->attr.st_mtime	3135	|| prev.st_mtime != w->attr.st_mtime
2759	|| w->prev.st_ctime != w->attr.st_ctime	3136	|| prev.st_ctime != w->attr.st_ctime
2760	) {	3137	) {
		3138	/* we only update w->prev on actual differences */
		3139	/* in case we test more often than invoke the callback, */
		3140	/* to ensure that prev is always different to attr */
		3141	w->prev = prev;
		3142
2761	#if EV_USE_INOTIFY	3143	#if EV_USE_INOTIFY
2762	if (fs_fd >= 0)	3144	if (fs_fd >= 0)
2763	{	3145	{
2764	infy_del (EV_A_ w);	3146	infy_del (EV_A_ w);
2765	infy_add (EV_A_ w);	3147	infy_add (EV_A_ w);
…		…
2790		3172
2791	if (fs_fd >= 0)	3173	if (fs_fd >= 0)
2792	infy_add (EV_A_ w);	3174	infy_add (EV_A_ w);
2793	else	3175	else
2794	#endif	3176	#endif
		3177	{
2795	ev_timer_again (EV_A_ &w->timer);	3178	ev_timer_again (EV_A_ &w->timer);
		3179	ev_unref (EV_A);
		3180	}
2796		3181
2797	ev_start (EV_A_ (W)w, 1);	3182	ev_start (EV_A_ (W)w, 1);
2798		3183
2799	EV_FREQUENT_CHECK;	3184	EV_FREQUENT_CHECK;
2800	}	3185	}
…		…
2809	EV_FREQUENT_CHECK;	3194	EV_FREQUENT_CHECK;
2810		3195
2811	#if EV_USE_INOTIFY	3196	#if EV_USE_INOTIFY
2812	infy_del (EV_A_ w);	3197	infy_del (EV_A_ w);
2813	#endif	3198	#endif
		3199
		3200	if (ev_is_active (&w->timer))
		3201	{
		3202	ev_ref (EV_A);
2814	ev_timer_stop (EV_A_ &w->timer);	3203	ev_timer_stop (EV_A_ &w->timer);
		3204	}
2815		3205
2816	ev_stop (EV_A_ (W)w);	3206	ev_stop (EV_A_ (W)w);
2817		3207
2818	EV_FREQUENT_CHECK;	3208	EV_FREQUENT_CHECK;
2819	}	3209	}
…		…
2960	embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents)	3350	embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents)
2961	{	3351	{
2962	ev_embed *w = (ev_embed *)(((char *)prepare) - offsetof (ev_embed, prepare));	3352	ev_embed *w = (ev_embed *)(((char *)prepare) - offsetof (ev_embed, prepare));
2963		3353
2964	{	3354	{
2965	struct ev_loop *loop = w->other;	3355	EV_P = w->other;
2966		3356
2967	while (fdchangecnt)	3357	while (fdchangecnt)
2968	{	3358	{
2969	fd_reify (EV_A);	3359	fd_reify (EV_A);
2970	ev_loop (EV_A_ EVLOOP_NONBLOCK);	3360	ev_loop (EV_A_ EVLOOP_NONBLOCK);
…		…
2978	ev_embed *w = (ev_embed *)(((char *)fork_w) - offsetof (ev_embed, fork));	3368	ev_embed *w = (ev_embed *)(((char *)fork_w) - offsetof (ev_embed, fork));
2979		3369
2980	ev_embed_stop (EV_A_ w);	3370	ev_embed_stop (EV_A_ w);
2981		3371
2982	{	3372	{
2983	struct ev_loop *loop = w->other;	3373	EV_P = w->other;
2984		3374
2985	ev_loop_fork (EV_A);	3375	ev_loop_fork (EV_A);
2986	ev_loop (EV_A_ EVLOOP_NONBLOCK);	3376	ev_loop (EV_A_ EVLOOP_NONBLOCK);
2987	}	3377	}
2988		3378
…		…
3002	{	3392	{
3003	if (expect_false (ev_is_active (w)))	3393	if (expect_false (ev_is_active (w)))
3004	return;	3394	return;
3005		3395
3006	{	3396	{
3007	struct ev_loop *loop = w->other;	3397	EV_P = w->other;
3008	assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ()));	3398	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);	3399	ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ);
3010	}	3400	}
3011		3401
3012	EV_FREQUENT_CHECK;	3402	EV_FREQUENT_CHECK;
…		…
3124		3514
3125	void	3515	void
3126	ev_async_send (EV_P_ ev_async *w)	3516	ev_async_send (EV_P_ ev_async *w)
3127	{	3517	{
3128	w->sent = 1;	3518	w->sent = 1;
3129	evpipe_write (EV_A_ &gotasync);	3519	evpipe_write (EV_A_ &async_pending);
3130	}	3520	}
3131	#endif	3521	#endif
3132		3522
3133	/*****************************************************************************/	3523	/*****************************************************************************/
3134		3524
…		…
3198	}	3588	}
3199	}	3589	}
3200		3590
3201	/*****************************************************************************/	3591	/*****************************************************************************/
3202		3592
3203	#if 0	3593	#if EV_WALK_ENABLE
3204	void	3594	void
3205	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w))	3595	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w))
3206	{	3596	{
3207	int i, j;	3597	int i, j;
3208	ev_watcher_list *wl, *wn;	3598	ev_watcher_list *wl, *wn;
…		…
3224	#if EV_USE_INOTIFY	3614	#if EV_USE_INOTIFY
3225	if (ev_cb ((ev_io *)wl) == infy_cb)	3615	if (ev_cb ((ev_io *)wl) == infy_cb)
3226	;	3616	;
3227	else	3617	else
3228	#endif	3618	#endif
3229	if ((ev_io *)wl != &pipeev)	3619	if ((ev_io *)wl != &pipe_w)
3230	if (types & EV_IO)	3620	if (types & EV_IO)
3231	cb (EV_A_ EV_IO, wl);	3621	cb (EV_A_ EV_IO, wl);
3232		3622
3233	wl = wn;	3623	wl = wn;
3234	}	3624	}
…		…
3283	if (types & EV_CHECK)	3673	if (types & EV_CHECK)
3284	for (i = checkcnt; i--; )	3674	for (i = checkcnt; i--; )
3285	cb (EV_A_ EV_CHECK, checks [i]);	3675	cb (EV_A_ EV_CHECK, checks [i]);
3286		3676
3287	if (types & EV_SIGNAL)	3677	if (types & EV_SIGNAL)
3288	for (i = 0; i < signalmax; ++i)	3678	for (i = 0; i < EV_NSIG - 1; ++i)
3289	for (wl = signals [i].head; wl; )	3679	for (wl = signals [i].head; wl; )
3290	{	3680	{
3291	wn = wl->next;	3681	wn = wl->next;
3292	cb (EV_A_ EV_SIGNAL, wl);	3682	cb (EV_A_ EV_SIGNAL, wl);
3293	wl = wn;	3683	wl = wn;

Diff Legend

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