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

Comparing libev/ev.c (file contents):
Revision 1.341 by root, Tue Mar 16 20:48:29 2010 UTC vs.
Revision 1.378 by root, Mon Jun 13 09:52:36 2011 UTC

…		…
1	/*	1	/*
2	* libev event processing core, watcher management	2	* libev event processing core, watcher management
3	*	3	*
4	* Copyright (c) 2007,2008,2009,2010 Marc Alexander Lehmann <libev@schmorp.de>	4	* Copyright (c) 2007,2008,2009,2010,2011 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	*
10	* 1. Redistributions of source code must retain the above copyright notice,	10	* 1. Redistributions of source code must retain the above copyright notice,
11	* this list of conditions and the following disclaimer.	11	* this list of conditions and the following disclaimer.
12	*	12	*
13	* 2. Redistributions in binary form must reproduce the above copyright	13	* 2. Redistributions in binary form must reproduce the above copyright
14	* notice, this list of conditions and the following disclaimer in the	14	* notice, this list of conditions and the following disclaimer in the
15	* documentation and/or other materials provided with the distribution.	15	* documentation and/or other materials provided with the distribution.
16	*	16	*
17	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED	17	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
18	* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER-	18	* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER-
19	* CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO	19	* CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
20	* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE-	20	* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE-
21	* CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,	21	* CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
35	* and other provisions required by the GPL. If you do not delete the	35	* and other provisions required by the GPL. If you do not delete the
36	* provisions above, a recipient may use your version of this file under	36	* provisions above, a recipient may use your version of this file under
37	* either the BSD or the GPL.	37	* either the BSD or the GPL.
38	*/	38	*/
39		39
40	#ifdef __cplusplus
41	extern "C" {
42	#endif
43
44	/* this big block deduces configuration from config.h */	40	/* this big block deduces configuration from config.h */
45	#ifndef EV_STANDALONE	41	#ifndef EV_STANDALONE
46	# ifdef EV_CONFIG_H	42	# ifdef EV_CONFIG_H
47	# include EV_CONFIG_H	43	# include EV_CONFIG_H
48	# else	44	# else
49	# include "config.h"	45	# include "config.h"
50	# endif	46	# endif
		47
		48	#if HAVE_FLOOR
		49	# ifndef EV_USE_FLOOR
		50	# define EV_USE_FLOOR 1
		51	# endif
		52	#endif
51		53
52	# if HAVE_CLOCK_SYSCALL	54	# if HAVE_CLOCK_SYSCALL
53	# ifndef EV_USE_CLOCK_SYSCALL	55	# ifndef EV_USE_CLOCK_SYSCALL
54	# define EV_USE_CLOCK_SYSCALL 1	56	# define EV_USE_CLOCK_SYSCALL 1
55	# ifndef EV_USE_REALTIME	57	# ifndef EV_USE_REALTIME
…		…
77	# ifndef EV_USE_REALTIME	79	# ifndef EV_USE_REALTIME
78	# define EV_USE_REALTIME 0	80	# define EV_USE_REALTIME 0
79	# endif	81	# endif
80	# endif	82	# endif
81		83
		84	# if HAVE_NANOSLEEP
82	# ifndef EV_USE_NANOSLEEP	85	# ifndef EV_USE_NANOSLEEP
83	# if HAVE_NANOSLEEP
84	# define EV_USE_NANOSLEEP EV_FEATURE_OS	86	# define EV_USE_NANOSLEEP EV_FEATURE_OS
		87	# endif
85	# else	88	# else
		89	# undef EV_USE_NANOSLEEP
86	# define EV_USE_NANOSLEEP 0	90	# define EV_USE_NANOSLEEP 0
		91	# endif
		92
		93	# if HAVE_SELECT && HAVE_SYS_SELECT_H
		94	# ifndef EV_USE_SELECT
		95	# define EV_USE_SELECT EV_FEATURE_BACKENDS
87	# endif	96	# endif
		97	# else
		98	# undef EV_USE_SELECT
		99	# define EV_USE_SELECT 0
88	# endif	100	# endif
89		101
		102	# if HAVE_POLL && HAVE_POLL_H
90	# ifndef EV_USE_SELECT	103	# ifndef EV_USE_POLL
91	# if HAVE_SELECT && HAVE_SYS_SELECT_H
92	# define EV_USE_SELECT EV_FEATURE_BACKENDS	104	# define EV_USE_POLL EV_FEATURE_BACKENDS
93	# else
94	# define EV_USE_SELECT 0
95	# endif	105	# endif
96	# endif
97
98	# ifndef EV_USE_POLL
99	# if HAVE_POLL && HAVE_POLL_H
100	# define EV_USE_POLL EV_FEATURE_BACKENDS
101	# else	106	# else
		107	# undef EV_USE_POLL
102	# define EV_USE_POLL 0	108	# define EV_USE_POLL 0
103	# endif
104	# endif	109	# endif
105		110
106	# ifndef EV_USE_EPOLL
107	# if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H	111	# if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H
		112	# ifndef EV_USE_EPOLL
108	# define EV_USE_EPOLL EV_FEATURE_BACKENDS	113	# define EV_USE_EPOLL EV_FEATURE_BACKENDS
109	# else
110	# define EV_USE_EPOLL 0
111	# endif	114	# endif
		115	# else
		116	# undef EV_USE_EPOLL
		117	# define EV_USE_EPOLL 0
112	# endif	118	# endif
113		119
114	# ifndef EV_USE_KQUEUE
115	# if HAVE_KQUEUE && HAVE_SYS_EVENT_H	120	# if HAVE_KQUEUE && HAVE_SYS_EVENT_H
		121	# ifndef EV_USE_KQUEUE
116	# define EV_USE_KQUEUE EV_FEATURE_BACKENDS	122	# define EV_USE_KQUEUE EV_FEATURE_BACKENDS
117	# else
118	# define EV_USE_KQUEUE 0
119	# endif	123	# endif
		124	# else
		125	# undef EV_USE_KQUEUE
		126	# define EV_USE_KQUEUE 0
120	# endif	127	# endif
121		128
122	# ifndef EV_USE_PORT
123	# if HAVE_PORT_H && HAVE_PORT_CREATE	129	# if HAVE_PORT_H && HAVE_PORT_CREATE
		130	# ifndef EV_USE_PORT
124	# define EV_USE_PORT EV_FEATURE_BACKENDS	131	# define EV_USE_PORT EV_FEATURE_BACKENDS
125	# else
126	# define EV_USE_PORT 0
127	# endif	132	# endif
		133	# else
		134	# undef EV_USE_PORT
		135	# define EV_USE_PORT 0
128	# endif	136	# endif
129		137
130	# ifndef EV_USE_INOTIFY
131	# if HAVE_INOTIFY_INIT && HAVE_SYS_INOTIFY_H	138	# if HAVE_INOTIFY_INIT && HAVE_SYS_INOTIFY_H
		139	# ifndef EV_USE_INOTIFY
132	# define EV_USE_INOTIFY EV_FEATURE_OS	140	# define EV_USE_INOTIFY EV_FEATURE_OS
133	# else
134	# define EV_USE_INOTIFY 0
135	# endif	141	# endif
		142	# else
		143	# undef EV_USE_INOTIFY
		144	# define EV_USE_INOTIFY 0
136	# endif	145	# endif
137		146
138	# ifndef EV_USE_SIGNALFD
139	# if HAVE_SIGNALFD && HAVE_SYS_SIGNALFD_H	147	# if HAVE_SIGNALFD && HAVE_SYS_SIGNALFD_H
		148	# ifndef EV_USE_SIGNALFD
140	# define EV_USE_SIGNALFD EV_FEATURE_OS	149	# define EV_USE_SIGNALFD EV_FEATURE_OS
141	# else
142	# define EV_USE_SIGNALFD 0
143	# endif	150	# endif
		151	# else
		152	# undef EV_USE_SIGNALFD
		153	# define EV_USE_SIGNALFD 0
144	# endif	154	# endif
145		155
		156	# if HAVE_EVENTFD
146	# ifndef EV_USE_EVENTFD	157	# ifndef EV_USE_EVENTFD
147	# if HAVE_EVENTFD
148	# define EV_USE_EVENTFD EV_FEATURE_OS	158	# define EV_USE_EVENTFD EV_FEATURE_OS
149	# else
150	# define EV_USE_EVENTFD 0
151	# endif	159	# endif
		160	# else
		161	# undef EV_USE_EVENTFD
		162	# define EV_USE_EVENTFD 0
152	# endif	163	# endif
153		164
154	#endif	165	#endif
155		166
156	#include <math.h>
157	#include <stdlib.h>	167	#include <stdlib.h>
158	#include <string.h>	168	#include <string.h>
159	#include <fcntl.h>	169	#include <fcntl.h>
160	#include <stddef.h>	170	#include <stddef.h>
161		171
…		…
172	#ifdef EV_H	182	#ifdef EV_H
173	# include EV_H	183	# include EV_H
174	#else	184	#else
175	# include "ev.h"	185	# include "ev.h"
176	#endif	186	#endif
		187
		188	EV_CPP(extern "C" {)
177		189
178	#ifndef _WIN32	190	#ifndef _WIN32
179	# include <sys/time.h>	191	# include <sys/time.h>
180	# include <sys/wait.h>	192	# include <sys/wait.h>
181	# include <unistd.h>	193	# include <unistd.h>
…		…
186	# ifndef EV_SELECT_IS_WINSOCKET	198	# ifndef EV_SELECT_IS_WINSOCKET
187	# define EV_SELECT_IS_WINSOCKET 1	199	# define EV_SELECT_IS_WINSOCKET 1
188	# endif	200	# endif
189	# undef EV_AVOID_STDIO	201	# undef EV_AVOID_STDIO
190	#endif	202	#endif
		203
		204	/* OS X, in its infinite idiocy, actually HARDCODES
		205	* a limit of 1024 into their select. Where people have brains,
		206	* OS X engineers apparently have a vacuum. Or maybe they were
		207	* ordered to have a vacuum, or they do anything for money.
		208	* This might help. Or not.
		209	*/
		210	#define _DARWIN_UNLIMITED_SELECT 1
191		211
192	/* this block tries to deduce configuration from header-defined symbols and defaults */	212	/* this block tries to deduce configuration from header-defined symbols and defaults */
193		213
194	/* try to deduce the maximum number of signals on this platform */	214	/* try to deduce the maximum number of signals on this platform */
195	#if defined (EV_NSIG)	215	#if defined (EV_NSIG)
…		…
217	/* to make it compile regardless, just remove the above line, */	237	/* to make it compile regardless, just remove the above line, */
218	/* but consider reporting it, too! :) */	238	/* but consider reporting it, too! :) */
219	# define EV_NSIG 65	239	# define EV_NSIG 65
220	#endif	240	#endif
221		241
		242	#ifndef EV_USE_FLOOR
		243	# define EV_USE_FLOOR 0
		244	#endif
		245
222	#ifndef EV_USE_CLOCK_SYSCALL	246	#ifndef EV_USE_CLOCK_SYSCALL
223	# if __linux && __GLIBC__ >= 2	247	# if __linux && __GLIBC__ >= 2
224	# define EV_USE_CLOCK_SYSCALL EV_FEATURE_OS	248	# define EV_USE_CLOCK_SYSCALL EV_FEATURE_OS
225	# else	249	# else
226	# define EV_USE_CLOCK_SYSCALL 0	250	# define EV_USE_CLOCK_SYSCALL 0
…		…
361	# undef EV_USE_INOTIFY	385	# undef EV_USE_INOTIFY
362	# define EV_USE_INOTIFY 0	386	# define EV_USE_INOTIFY 0
363	#endif	387	#endif
364		388
365	#if !EV_USE_NANOSLEEP	389	#if !EV_USE_NANOSLEEP
366	# ifndef _WIN32	390	/* hp-ux has it in sys/time.h, which we unconditionally include above */
		391	# if !defined(_WIN32) && !defined(__hpux)
367	# include <sys/select.h>	392	# include <sys/select.h>
368	# endif	393	# endif
369	#endif	394	#endif
370		395
371	#if EV_USE_INOTIFY	396	#if EV_USE_INOTIFY
372	# include <sys/utsname.h>
373	# include <sys/statfs.h>	397	# include <sys/statfs.h>
374	# include <sys/inotify.h>	398	# include <sys/inotify.h>
375	/* some very old inotify.h headers don't have IN_DONT_FOLLOW */	399	/* some very old inotify.h headers don't have IN_DONT_FOLLOW */
376	# ifndef IN_DONT_FOLLOW	400	# ifndef IN_DONT_FOLLOW
377	# undef EV_USE_INOTIFY	401	# undef EV_USE_INOTIFY
…		…
394	# define EFD_CLOEXEC O_CLOEXEC	418	# define EFD_CLOEXEC O_CLOEXEC
395	# else	419	# else
396	# define EFD_CLOEXEC 02000000	420	# define EFD_CLOEXEC 02000000
397	# endif	421	# endif
398	# endif	422	# endif
399	# ifdef __cplusplus
400	extern "C" {
401	# endif
402	int (eventfd) (unsigned int initval, int flags);	423	EV_CPP(extern "C") int (eventfd) (unsigned int initval, int flags);
403	# ifdef __cplusplus
404	}
405	# endif
406	#endif	424	#endif
407		425
408	#if EV_USE_SIGNALFD	426	#if EV_USE_SIGNALFD
409	/* our minimum requirement is glibc 2.7 which has the stub, but not the header */	427	/* our minimum requirement is glibc 2.7 which has the stub, but not the header */
410	# include <stdint.h>	428	# include <stdint.h>
…		…
416	# define SFD_CLOEXEC O_CLOEXEC	434	# define SFD_CLOEXEC O_CLOEXEC
417	# else	435	# else
418	# define SFD_CLOEXEC 02000000	436	# define SFD_CLOEXEC 02000000
419	# endif	437	# endif
420	# endif	438	# endif
421	# ifdef __cplusplus
422	extern "C" {
423	# endif
424	int signalfd (int fd, const sigset_t *mask, int flags);	439	EV_CPP (extern "C") int signalfd (int fd, const sigset_t *mask, int flags);
425		440
426	struct signalfd_siginfo	441	struct signalfd_siginfo
427	{	442	{
428	uint32_t ssi_signo;	443	uint32_t ssi_signo;
429	char pad[128 - sizeof (uint32_t)];	444	char pad[128 - sizeof (uint32_t)];
430	};	445	};
431	# ifdef __cplusplus
432	}
433	# endif	446	#endif
434	#endif
435
436		447
437	/**/	448	/**/
438		449
439	#if EV_VERIFY >= 3	450	#if EV_VERIFY >= 3
440	# define EV_FREQUENT_CHECK ev_verify (EV_A)	451	# define EV_FREQUENT_CHECK ev_verify (EV_A)
441	#else	452	#else
442	# define EV_FREQUENT_CHECK do { } while (0)	453	# define EV_FREQUENT_CHECK do { } while (0)
443	#endif	454	#endif
444		455
445	/*	456	/*
446	* This is used to avoid floating point rounding problems.	457	* This is used to work around floating point rounding problems.
447	* It is added to ev_rt_now when scheduling periodics
448	* to ensure progress, time-wise, even when rounding
449	* errors are against us.
450	* This value is good at least till the year 4000.	458	* This value is good at least till the year 4000.
451	* Better solutions welcome.
452	*/	459	*/
453	#define TIME_EPSILON 0.0001220703125 /* 1/8192 */	460	#define MIN_INTERVAL 0.0001220703125 /* 1/2*13, good till 4000 /
		461	/#define MIN_INTERVAL 0.00000095367431640625 / 1/2*20, good till 2200 /
454		462
455	#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */	463	#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */
456	#define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */	464	#define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */
		465
		466	#define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } while (0)
		467	#define EV_TS_SET(ts,t) do { ts.tv_sec = (long)t; ts.tv_nsec = (long)((t - ts.tv_sec) * 1e9); } while (0)
457		468
458	#if __GNUC__ >= 4	469	#if __GNUC__ >= 4
459	# define expect(expr,value) __builtin_expect ((expr),(value))	470	# define expect(expr,value) __builtin_expect ((expr),(value))
460	# define noinline __attribute__ ((noinline))	471	# define noinline __attribute__ ((noinline))
461	#else	472	#else
…		…
494	#define ev_active(w) ((W)(w))->active	505	#define ev_active(w) ((W)(w))->active
495	#define ev_at(w) ((WT)(w))->at	506	#define ev_at(w) ((WT)(w))->at
496		507
497	#if EV_USE_REALTIME	508	#if EV_USE_REALTIME
498	/* sig_atomic_t is used to avoid per-thread variables or locking but still */	509	/* sig_atomic_t is used to avoid per-thread variables or locking but still */
499	/* giving it a reasonably high chance of working on typical architetcures */	510	/* giving it a reasonably high chance of working on typical architectures */
500	static EV_ATOMIC_T have_realtime; /* did clock_gettime (CLOCK_REALTIME) work? */	511	static EV_ATOMIC_T have_realtime; /* did clock_gettime (CLOCK_REALTIME) work? */
501	#endif	512	#endif
502		513
503	#if EV_USE_MONOTONIC	514	#if EV_USE_MONOTONIC
504	static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */	515	static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */
…		…
515	#endif	526	#endif
516		527
517	#ifdef _WIN32	528	#ifdef _WIN32
518	# include "ev_win32.c"	529	# include "ev_win32.c"
519	#endif	530	#endif
		531
		532	/*****************************************************************************/
		533
		534	/* define a suitable floor function (only used by periodics atm) */
		535
		536	#if EV_USE_FLOOR
		537	# include <math.h>
		538	# define ev_floor(v) floor (v)
		539	#else
		540
		541	#include <float.h>
		542
		543	/* a floor() replacement function, should be independent of ev_tstamp type */
		544	static ev_tstamp noinline
		545	ev_floor (ev_tstamp v)
		546	{
		547	/* the choice of shift factor is not terribly important */
		548	#if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */
		549	const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.;
		550	#else
		551	const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 18446744073709551616. : 4294967296.;
		552	#endif
		553
		554	/* argument too large for an unsigned long? */
		555	if (expect_false (v >= shift))
		556	{
		557	ev_tstamp f;
		558
		559	if (v == v - 1.)
		560	return v; /* very large number */
		561
		562	f = shift * ev_floor (v * (1. / shift));
		563	return f + ev_floor (v - f);
		564	}
		565
		566	/* special treatment for negative args? */
		567	if (expect_false (v < 0.))
		568	{
		569	ev_tstamp f = -ev_floor (-v);
		570
		571	return f - (f == v ? 0 : 1);
		572	}
		573
		574	/* fits into an unsigned long */
		575	return (unsigned long)v;
		576	}
		577
		578	#endif
		579
		580	/*****************************************************************************/
		581
		582	#ifdef __linux
		583	# include <sys/utsname.h>
		584	#endif
		585
		586	static unsigned int noinline
		587	ev_linux_version (void)
		588	{
		589	#ifdef __linux
		590	unsigned int v = 0;
		591	struct utsname buf;
		592	int i;
		593	char *p = buf.release;
		594
		595	if (uname (&buf))
		596	return 0;
		597
		598	for (i = 3+1; --i; )
		599	{
		600	unsigned int c = 0;
		601
		602	for (;;)
		603	{
		604	if (p >= '0' && p <= '9')
		605	c = c * 10 + *p++ - '0';
		606	else
		607	{
		608	p += *p == '.';
		609	break;
		610	}
		611	}
		612
		613	v = (v << 8) \| c;
		614	}
		615
		616	return v;
		617	#else
		618	return 0;
		619	#endif
		620	}
520		621
521	/*****************************************************************************/	622	/*****************************************************************************/
522		623
523	#if EV_AVOID_STDIO	624	#if EV_AVOID_STDIO
524	static void noinline	625	static void noinline
…		…
545	if (syserr_cb)	646	if (syserr_cb)
546	syserr_cb (msg);	647	syserr_cb (msg);
547	else	648	else
548	{	649	{
549	#if EV_AVOID_STDIO	650	#if EV_AVOID_STDIO
550	const char *err = strerror (errno);
551
552	ev_printerr (msg);	651	ev_printerr (msg);
553	ev_printerr (": ");	652	ev_printerr (": ");
554	ev_printerr (err);	653	ev_printerr (strerror (errno));
555	ev_printerr ("\n");	654	ev_printerr ("\n");
556	#else	655	#else
557	perror (msg);	656	perror (msg);
558	#endif	657	#endif
559	abort ();	658	abort ();
…		…
593	ptr = alloc (ptr, size);	692	ptr = alloc (ptr, size);
594		693
595	if (!ptr && size)	694	if (!ptr && size)
596	{	695	{
597	#if EV_AVOID_STDIO	696	#if EV_AVOID_STDIO
598	ev_printerr ("libev: memory allocation failed, aborting.\n");	697	ev_printerr ("(libev) memory allocation failed, aborting.\n");
599	#else	698	#else
600	fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size);	699	fprintf (stderr, "(libev) cannot allocate %ld bytes, aborting.", size);
601	#endif	700	#endif
602	abort ();	701	abort ();
603	}	702	}
604		703
605	return ptr;	704	return ptr;
…		…
622	unsigned char emask; /* the epoll backend stores the actual kernel mask in here */	721	unsigned char emask; /* the epoll backend stores the actual kernel mask in here */
623	unsigned char unused;	722	unsigned char unused;
624	#if EV_USE_EPOLL	723	#if EV_USE_EPOLL
625	unsigned int egen; /* generation counter to counter epoll bugs */	724	unsigned int egen; /* generation counter to counter epoll bugs */
626	#endif	725	#endif
627	#if EV_SELECT_IS_WINSOCKET	726	#if EV_SELECT_IS_WINSOCKET \|\| EV_USE_IOCP
628	SOCKET handle;	727	SOCKET handle;
		728	#endif
		729	#if EV_USE_IOCP
		730	OVERLAPPED or, ow;
629	#endif	731	#endif
630	} ANFD;	732	} ANFD;
631		733
632	/* stores the pending event set for a given watcher */	734	/* stores the pending event set for a given watcher */
633	typedef struct	735	typedef struct
…		…
698	# define EV_RELEASE_CB (void)0	800	# define EV_RELEASE_CB (void)0
699	# define EV_ACQUIRE_CB (void)0	801	# define EV_ACQUIRE_CB (void)0
700	# define EV_INVOKE_PENDING ev_invoke_pending (EV_A)	802	# define EV_INVOKE_PENDING ev_invoke_pending (EV_A)
701	#endif	803	#endif
702		804
703	#define EVUNLOOP_RECURSE 0x80	805	#define EVBREAK_RECURSE 0x80
704		806
705	/*****************************************************************************/	807	/*****************************************************************************/
706		808
707	#ifndef EV_HAVE_EV_TIME	809	#ifndef EV_HAVE_EV_TIME
708	ev_tstamp	810	ev_tstamp
…		…
752	if (delay > 0.)	854	if (delay > 0.)
753	{	855	{
754	#if EV_USE_NANOSLEEP	856	#if EV_USE_NANOSLEEP
755	struct timespec ts;	857	struct timespec ts;
756		858
757	ts.tv_sec = (time_t)delay;	859	EV_TS_SET (ts, delay);
758	ts.tv_nsec = (long)((delay - (ev_tstamp)(ts.tv_sec)) * 1e9);
759
760	nanosleep (&ts, 0);	860	nanosleep (&ts, 0);
761	#elif defined(_WIN32)	861	#elif defined(_WIN32)
762	Sleep ((unsigned long)(delay * 1e3));	862	Sleep ((unsigned long)(delay * 1e3));
763	#else	863	#else
764	struct timeval tv;	864	struct timeval tv;
765		865
766	tv.tv_sec = (time_t)delay;
767	tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6);
768
769	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */	866	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */
770	/* something not guaranteed by newer posix versions, but guaranteed */	867	/* something not guaranteed by newer posix versions, but guaranteed */
771	/* by older ones */	868	/* by older ones */
		869	EV_TV_SET (tv, delay);
772	select (0, 0, 0, 0, &tv);	870	select (0, 0, 0, 0, &tv);
773	#endif	871	#endif
774	}	872	}
775	}	873	}
776		874
777	/*****************************************************************************/	875	/*****************************************************************************/
778		876
779	#define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2*n and >> 4 longs /	877	#define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2*n and >> 4 longs /
780		878
781	/* find a suitable new size for the given array, */	879	/* find a suitable new size for the given array, */
782	/* hopefully by rounding to a ncie-to-malloc size */	880	/* hopefully by rounding to a nice-to-malloc size */
783	inline_size int	881	inline_size int
784	array_nextsize (int elem, int cur, int cnt)	882	array_nextsize (int elem, int cur, int cnt)
785	{	883	{
786	int ncur = cur + 1;	884	int ncur = cur + 1;
787		885
…		…
922	inline_size void	1020	inline_size void
923	fd_reify (EV_P)	1021	fd_reify (EV_P)
924	{	1022	{
925	int i;	1023	int i;
926		1024
		1025	#if EV_SELECT_IS_WINSOCKET \|\| EV_USE_IOCP
		1026	for (i = 0; i < fdchangecnt; ++i)
		1027	{
		1028	int fd = fdchanges [i];
		1029	ANFD *anfd = anfds + fd;
		1030
		1031	if (anfd->reify & EV__IOFDSET && anfd->head)
		1032	{
		1033	SOCKET handle = EV_FD_TO_WIN32_HANDLE (fd);
		1034
		1035	if (handle != anfd->handle)
		1036	{
		1037	unsigned long arg;
		1038
		1039	assert (("libev: only socket fds supported in this configuration", ioctlsocket (handle, FIONREAD, &arg) == 0));
		1040
		1041	/* handle changed, but fd didn't - we need to do it in two steps */
		1042	backend_modify (EV_A_ fd, anfd->events, 0);
		1043	anfd->events = 0;
		1044	anfd->handle = handle;
		1045	}
		1046	}
		1047	}
		1048	#endif
		1049
927	for (i = 0; i < fdchangecnt; ++i)	1050	for (i = 0; i < fdchangecnt; ++i)
928	{	1051	{
929	int fd = fdchanges [i];	1052	int fd = fdchanges [i];
930	ANFD *anfd = anfds + fd;	1053	ANFD *anfd = anfds + fd;
931	ev_io *w;	1054	ev_io *w;
932		1055
933	unsigned char events = 0;	1056	unsigned char o_events = anfd->events;
		1057	unsigned char o_reify = anfd->reify;
934		1058
935	for (w = (ev_io )anfd->head; w; w = (ev_io )((WL)w)->next)	1059	anfd->reify = 0;
936	events \|= (unsigned char)w->events;
937		1060
938	#if EV_SELECT_IS_WINSOCKET	1061	/if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation /
939	if (events)
940	{	1062	{
941	unsigned long arg;	1063	anfd->events = 0;
942	anfd->handle = EV_FD_TO_WIN32_HANDLE (fd);	1064
943	assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0));	1065	for (w = (ev_io )anfd->head; w; w = (ev_io )((WL)w)->next)
		1066	anfd->events \|= (unsigned char)w->events;
		1067
		1068	if (o_events != anfd->events)
		1069	o_reify = EV__IOFDSET; /* actually \|= */
944	}	1070	}
945	#endif
946		1071
947	{	1072	if (o_reify & EV__IOFDSET)
948	unsigned char o_events = anfd->events;
949	unsigned char o_reify = anfd->reify;
950
951	anfd->reify = 0;
952	anfd->events = events;
953
954	if (o_events != events \|\| o_reify & EV__IOFDSET)
955	backend_modify (EV_A_ fd, o_events, events);	1073	backend_modify (EV_A_ fd, o_events, anfd->events);
956	}
957	}	1074	}
958		1075
959	fdchangecnt = 0;	1076	fdchangecnt = 0;
960	}	1077	}
961		1078
…		…
1054	}	1171	}
1055		1172
1056	/*****************************************************************************/	1173	/*****************************************************************************/
1057		1174
1058	/*	1175	/*
1059	* the heap functions want a real array index. array index 0 uis guaranteed to not	1176	* the heap functions want a real array index. array index 0 is guaranteed to not
1060	* be in-use at any time. the first heap entry is at array [HEAP0]. DHEAP gives	1177	* be in-use at any time. the first heap entry is at array [HEAP0]. DHEAP gives
1061	* the branching factor of the d-tree.	1178	* the branching factor of the d-tree.
1062	*/	1179	*/
1063		1180
1064	/*	1181	/*
…		…
1251	inline_size void	1368	inline_size void
1252	evpipe_write (EV_P_ EV_ATOMIC_T *flag)	1369	evpipe_write (EV_P_ EV_ATOMIC_T *flag)
1253	{	1370	{
1254	if (!*flag)	1371	if (!*flag)
1255	{	1372	{
1256	int old_errno = errno; /* save errno because write might clobber it */
1257	char dummy;
1258
1259	*flag = 1;	1373	*flag = 1;
1260		1374
		1375	pipe_write_skipped = 1;
		1376
		1377	if (pipe_write_wanted)
		1378	{
		1379	int old_errno = errno; /* save errno because write will clobber it */
		1380	char dummy;
		1381
		1382	pipe_write_skipped = 0;
		1383
1261	#if EV_USE_EVENTFD	1384	#if EV_USE_EVENTFD
1262	if (evfd >= 0)	1385	if (evfd >= 0)
1263	{	1386	{
1264	uint64_t counter = 1;	1387	uint64_t counter = 1;
1265	write (evfd, &counter, sizeof (uint64_t));	1388	write (evfd, &counter, sizeof (uint64_t));
		1389	}
		1390	else
		1391	#endif
		1392	{
		1393	/* win32 people keep sending patches that change this write() to send() */
		1394	/* and then run away. but send() is wrong, it wants a socket handle on win32 */
		1395	/* so when you think this write should be a send instead, please find out */
		1396	/* where your send() is from - it's definitely not the microsoft send, and */
		1397	/* tell me. thank you. */
		1398	write (evpipe [1], &dummy, 1);
		1399	}
		1400
		1401	errno = old_errno;
1266	}	1402	}
1267	else
1268	#endif
1269	write (evpipe [1], &dummy, 1);
1270
1271	errno = old_errno;
1272	}	1403	}
1273	}	1404	}
1274		1405
1275	/* called whenever the libev signal pipe */	1406	/* called whenever the libev signal pipe */
1276	/* got some events (signal, async) */	1407	/* got some events (signal, async) */
1277	static void	1408	static void
1278	pipecb (EV_P_ ev_io *iow, int revents)	1409	pipecb (EV_P_ ev_io *iow, int revents)
1279	{	1410	{
1280	int i;	1411	int i;
1281		1412
		1413	if (revents & EV_READ)
		1414	{
1282	#if EV_USE_EVENTFD	1415	#if EV_USE_EVENTFD
1283	if (evfd >= 0)	1416	if (evfd >= 0)
1284	{	1417	{
1285	uint64_t counter;	1418	uint64_t counter;
1286	read (evfd, &counter, sizeof (uint64_t));	1419	read (evfd, &counter, sizeof (uint64_t));
1287	}	1420	}
1288	else	1421	else
1289	#endif	1422	#endif
1290	{	1423	{
1291	char dummy;	1424	char dummy;
		1425	/* see discussion in evpipe_write when you think this read should be recv in win32 */
1292	read (evpipe [0], &dummy, 1);	1426	read (evpipe [0], &dummy, 1);
		1427	}
1293	}	1428	}
1294		1429
		1430	pipe_write_skipped = 0;
		1431
		1432	#if EV_SIGNAL_ENABLE
1295	if (sig_pending)	1433	if (sig_pending)
1296	{	1434	{
1297	sig_pending = 0;	1435	sig_pending = 0;
1298		1436
1299	for (i = EV_NSIG - 1; i--; )	1437	for (i = EV_NSIG - 1; i--; )
1300	if (expect_false (signals [i].pending))	1438	if (expect_false (signals [i].pending))
1301	ev_feed_signal_event (EV_A_ i + 1);	1439	ev_feed_signal_event (EV_A_ i + 1);
1302	}	1440	}
		1441	#endif
1303		1442
1304	#if EV_ASYNC_ENABLE	1443	#if EV_ASYNC_ENABLE
1305	if (async_pending)	1444	if (async_pending)
1306	{	1445	{
1307	async_pending = 0;	1446	async_pending = 0;
…		…
1316	#endif	1455	#endif
1317	}	1456	}
1318		1457
1319	/*****************************************************************************/	1458	/*****************************************************************************/
1320		1459
		1460	void
		1461	ev_feed_signal (int signum)
		1462	{
		1463	#if EV_MULTIPLICITY
		1464	EV_P = signals [signum - 1].loop;
		1465
		1466	if (!EV_A)
		1467	return;
		1468	#endif
		1469
		1470	evpipe_init (EV_A);
		1471
		1472	signals [signum - 1].pending = 1;
		1473	evpipe_write (EV_A_ &sig_pending);
		1474	}
		1475
1321	static void	1476	static void
1322	ev_sighandler (int signum)	1477	ev_sighandler (int signum)
1323	{	1478	{
1324	#if EV_MULTIPLICITY
1325	EV_P = signals [signum - 1].loop;
1326	#endif
1327
1328	#ifdef _WIN32	1479	#ifdef _WIN32
1329	signal (signum, ev_sighandler);	1480	signal (signum, ev_sighandler);
1330	#endif	1481	#endif
1331		1482
1332	signals [signum - 1].pending = 1;	1483	ev_feed_signal (signum);
1333	evpipe_write (EV_A_ &sig_pending);
1334	}	1484	}
1335		1485
1336	void noinline	1486	void noinline
1337	ev_feed_signal_event (EV_P_ int signum)	1487	ev_feed_signal_event (EV_P_ int signum)
1338	{	1488	{
…		…
1438		1588
1439	#endif	1589	#endif
1440		1590
1441	/*****************************************************************************/	1591	/*****************************************************************************/
1442		1592
		1593	#if EV_USE_IOCP
		1594	# include "ev_iocp.c"
		1595	#endif
1443	#if EV_USE_PORT	1596	#if EV_USE_PORT
1444	# include "ev_port.c"	1597	# include "ev_port.c"
1445	#endif	1598	#endif
1446	#if EV_USE_KQUEUE	1599	#if EV_USE_KQUEUE
1447	# include "ev_kqueue.c"	1600	# include "ev_kqueue.c"
…		…
1507	#ifdef __APPLE__	1660	#ifdef __APPLE__
1508	/* only select works correctly on that "unix-certified" platform */	1661	/* only select works correctly on that "unix-certified" platform */
1509	flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */	1662	flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */
1510	flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */	1663	flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */
1511	#endif	1664	#endif
		1665	#ifdef __FreeBSD__
		1666	flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */
		1667	#endif
1512		1668
1513	return flags;	1669	return flags;
1514	}	1670	}
1515		1671
1516	unsigned int	1672	unsigned int
1517	ev_embeddable_backends (void)	1673	ev_embeddable_backends (void)
1518	{	1674	{
1519	int flags = EVBACKEND_EPOLL \| EVBACKEND_KQUEUE \| EVBACKEND_PORT;	1675	int flags = EVBACKEND_EPOLL \| EVBACKEND_KQUEUE \| EVBACKEND_PORT;
1520		1676
1521	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */	1677	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */
1522	/* please fix it and tell me how to detect the fix */	1678	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
1523	flags &= ~EVBACKEND_EPOLL;	1679	flags &= ~EVBACKEND_EPOLL;
1524		1680
1525	return flags;	1681	return flags;
1526	}	1682	}
1527		1683
1528	unsigned int	1684	unsigned int
…		…
1584	static void noinline	1740	static void noinline
1585	loop_init (EV_P_ unsigned int flags)	1741	loop_init (EV_P_ unsigned int flags)
1586	{	1742	{
1587	if (!backend)	1743	if (!backend)
1588	{	1744	{
		1745	origflags = flags;
		1746
1589	#if EV_USE_REALTIME	1747	#if EV_USE_REALTIME
1590	if (!have_realtime)	1748	if (!have_realtime)
1591	{	1749	{
1592	struct timespec ts;	1750	struct timespec ts;
1593		1751
…		…
1615	if (!(flags & EVFLAG_NOENV)	1773	if (!(flags & EVFLAG_NOENV)
1616	&& !enable_secure ()	1774	&& !enable_secure ()
1617	&& getenv ("LIBEV_FLAGS"))	1775	&& getenv ("LIBEV_FLAGS"))
1618	flags = atoi (getenv ("LIBEV_FLAGS"));	1776	flags = atoi (getenv ("LIBEV_FLAGS"));
1619		1777
1620	ev_rt_now = ev_time ();	1778	ev_rt_now = ev_time ();
1621	mn_now = get_clock ();	1779	mn_now = get_clock ();
1622	now_floor = mn_now;	1780	now_floor = mn_now;
1623	rtmn_diff = ev_rt_now - mn_now;	1781	rtmn_diff = ev_rt_now - mn_now;
1624	#if EV_FEATURE_API	1782	#if EV_FEATURE_API
1625	invoke_cb = ev_invoke_pending;	1783	invoke_cb = ev_invoke_pending;
1626	#endif	1784	#endif
1627		1785
1628	io_blocktime = 0.;	1786	io_blocktime = 0.;
1629	timeout_blocktime = 0.;	1787	timeout_blocktime = 0.;
1630	backend = 0;	1788	backend = 0;
1631	backend_fd = -1;	1789	backend_fd = -1;
1632	sig_pending = 0;	1790	sig_pending = 0;
1633	#if EV_ASYNC_ENABLE	1791	#if EV_ASYNC_ENABLE
1634	async_pending = 0;	1792	async_pending = 0;
1635	#endif	1793	#endif
		1794	pipe_write_skipped = 0;
		1795	pipe_write_wanted = 0;
1636	#if EV_USE_INOTIFY	1796	#if EV_USE_INOTIFY
1637	fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;	1797	fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;
1638	#endif	1798	#endif
1639	#if EV_USE_SIGNALFD	1799	#if EV_USE_SIGNALFD
1640	sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;	1800	sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;
1641	#endif	1801	#endif
1642		1802
1643	if (!(flags & 0x0000ffffU))	1803	if (!(flags & EVBACKEND_MASK))
1644	flags \|= ev_recommended_backends ();	1804	flags \|= ev_recommended_backends ();
1645		1805
		1806	#if EV_USE_IOCP
		1807	if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags);
		1808	#endif
1646	#if EV_USE_PORT	1809	#if EV_USE_PORT
1647	if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);	1810	if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);
1648	#endif	1811	#endif
1649	#if EV_USE_KQUEUE	1812	#if EV_USE_KQUEUE
1650	if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags);	1813	if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags);
…		…
1667	#endif	1830	#endif
1668	}	1831	}
1669	}	1832	}
1670		1833
1671	/* free up a loop structure */	1834	/* free up a loop structure */
1672	static void noinline	1835	void
1673	loop_destroy (EV_P)	1836	ev_loop_destroy (EV_P)
1674	{	1837	{
1675	int i;	1838	int i;
		1839
		1840	#if EV_MULTIPLICITY
		1841	/* mimic free (0) */
		1842	if (!EV_A)
		1843	return;
		1844	#endif
		1845
		1846	#if EV_CLEANUP_ENABLE
		1847	/* queue cleanup watchers (and execute them) */
		1848	if (expect_false (cleanupcnt))
		1849	{
		1850	queue_events (EV_A_ (W *)cleanups, cleanupcnt, EV_CLEANUP);
		1851	EV_INVOKE_PENDING;
		1852	}
		1853	#endif
		1854
		1855	#if EV_CHILD_ENABLE
		1856	if (ev_is_active (&childev))
		1857	{
		1858	ev_ref (EV_A); /* child watcher */
		1859	ev_signal_stop (EV_A_ &childev);
		1860	}
		1861	#endif
1676		1862
1677	if (ev_is_active (&pipe_w))	1863	if (ev_is_active (&pipe_w))
1678	{	1864	{
1679	/ev_ref (EV_A);/	1865	/ev_ref (EV_A);/
1680	/ev_io_stop (EV_A_ &pipe_w);/	1866	/ev_io_stop (EV_A_ &pipe_w);/
…		…
1702	#endif	1888	#endif
1703		1889
1704	if (backend_fd >= 0)	1890	if (backend_fd >= 0)
1705	close (backend_fd);	1891	close (backend_fd);
1706		1892
		1893	#if EV_USE_IOCP
		1894	if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A);
		1895	#endif
1707	#if EV_USE_PORT	1896	#if EV_USE_PORT
1708	if (backend == EVBACKEND_PORT ) port_destroy (EV_A);	1897	if (backend == EVBACKEND_PORT ) port_destroy (EV_A);
1709	#endif	1898	#endif
1710	#if EV_USE_KQUEUE	1899	#if EV_USE_KQUEUE
1711	if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A);	1900	if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A);
…		…
1738	array_free (periodic, EMPTY);	1927	array_free (periodic, EMPTY);
1739	#endif	1928	#endif
1740	#if EV_FORK_ENABLE	1929	#if EV_FORK_ENABLE
1741	array_free (fork, EMPTY);	1930	array_free (fork, EMPTY);
1742	#endif	1931	#endif
		1932	#if EV_CLEANUP_ENABLE
		1933	array_free (cleanup, EMPTY);
		1934	#endif
1743	array_free (prepare, EMPTY);	1935	array_free (prepare, EMPTY);
1744	array_free (check, EMPTY);	1936	array_free (check, EMPTY);
1745	#if EV_ASYNC_ENABLE	1937	#if EV_ASYNC_ENABLE
1746	array_free (async, EMPTY);	1938	array_free (async, EMPTY);
1747	#endif	1939	#endif
1748		1940
1749	backend = 0;	1941	backend = 0;
		1942
		1943	#if EV_MULTIPLICITY
		1944	if (ev_is_default_loop (EV_A))
		1945	#endif
		1946	ev_default_loop_ptr = 0;
		1947	#if EV_MULTIPLICITY
		1948	else
		1949	ev_free (EV_A);
		1950	#endif
1750	}	1951	}
1751		1952
1752	#if EV_USE_INOTIFY	1953	#if EV_USE_INOTIFY
1753	inline_size void infy_fork (EV_P);	1954	inline_size void infy_fork (EV_P);
1754	#endif	1955	#endif
…		…
1769	infy_fork (EV_A);	1970	infy_fork (EV_A);
1770	#endif	1971	#endif
1771		1972
1772	if (ev_is_active (&pipe_w))	1973	if (ev_is_active (&pipe_w))
1773	{	1974	{
1774	/* this "locks" the handlers against writing to the pipe */	1975	/* pipe_write_wanted must be false now, so modifying fd vars should be safe */
1775	/* while we modify the fd vars */
1776	sig_pending = 1;
1777	#if EV_ASYNC_ENABLE
1778	async_pending = 1;
1779	#endif
1780		1976
1781	ev_ref (EV_A);	1977	ev_ref (EV_A);
1782	ev_io_stop (EV_A_ &pipe_w);	1978	ev_io_stop (EV_A_ &pipe_w);
1783		1979
1784	#if EV_USE_EVENTFD	1980	#if EV_USE_EVENTFD
…		…
1813	loop_init (EV_A_ flags);	2009	loop_init (EV_A_ flags);
1814		2010
1815	if (ev_backend (EV_A))	2011	if (ev_backend (EV_A))
1816	return EV_A;	2012	return EV_A;
1817		2013
		2014	ev_free (EV_A);
1818	return 0;	2015	return 0;
1819	}	2016	}
1820		2017
1821	void
1822	ev_loop_destroy (EV_P)
1823	{
1824	loop_destroy (EV_A);
1825	ev_free (loop);
1826	}
1827
1828	void
1829	ev_loop_fork (EV_P)
1830	{
1831	postfork = 1; /* must be in line with ev_default_fork */
1832	}
1833	#endif /* multiplicity */	2018	#endif /* multiplicity */
1834		2019
1835	#if EV_VERIFY	2020	#if EV_VERIFY
1836	static void noinline	2021	static void noinline
1837	verify_watcher (EV_P_ W w)	2022	verify_watcher (EV_P_ W w)
…		…
1912	#if EV_FORK_ENABLE	2097	#if EV_FORK_ENABLE
1913	assert (forkmax >= forkcnt);	2098	assert (forkmax >= forkcnt);
1914	array_verify (EV_A_ (W *)forks, forkcnt);	2099	array_verify (EV_A_ (W *)forks, forkcnt);
1915	#endif	2100	#endif
1916		2101
		2102	#if EV_CLEANUP_ENABLE
		2103	assert (cleanupmax >= cleanupcnt);
		2104	array_verify (EV_A_ (W *)cleanups, cleanupcnt);
		2105	#endif
		2106
1917	#if EV_ASYNC_ENABLE	2107	#if EV_ASYNC_ENABLE
1918	assert (asyncmax >= asynccnt);	2108	assert (asyncmax >= asynccnt);
1919	array_verify (EV_A_ (W *)asyncs, asynccnt);	2109	array_verify (EV_A_ (W *)asyncs, asynccnt);
1920	#endif	2110	#endif
1921		2111
…		…
1939	}	2129	}
1940	#endif	2130	#endif
1941		2131
1942	#if EV_MULTIPLICITY	2132	#if EV_MULTIPLICITY
1943	struct ev_loop *	2133	struct ev_loop *
1944	ev_default_loop_init (unsigned int flags)
1945	#else	2134	#else
1946	int	2135	int
		2136	#endif
1947	ev_default_loop (unsigned int flags)	2137	ev_default_loop (unsigned int flags)
1948	#endif
1949	{	2138	{
1950	if (!ev_default_loop_ptr)	2139	if (!ev_default_loop_ptr)
1951	{	2140	{
1952	#if EV_MULTIPLICITY	2141	#if EV_MULTIPLICITY
1953	EV_P = ev_default_loop_ptr = &default_loop_struct;	2142	EV_P = ev_default_loop_ptr = &default_loop_struct;
…		…
1972		2161
1973	return ev_default_loop_ptr;	2162	return ev_default_loop_ptr;
1974	}	2163	}
1975		2164
1976	void	2165	void
1977	ev_default_destroy (void)	2166	ev_loop_fork (EV_P)
1978	{	2167	{
1979	#if EV_MULTIPLICITY
1980	EV_P = ev_default_loop_ptr;
1981	#endif
1982
1983	ev_default_loop_ptr = 0;
1984
1985	#if EV_CHILD_ENABLE
1986	ev_ref (EV_A); /* child watcher */
1987	ev_signal_stop (EV_A_ &childev);
1988	#endif
1989
1990	loop_destroy (EV_A);
1991	}
1992
1993	void
1994	ev_default_fork (void)
1995	{
1996	#if EV_MULTIPLICITY
1997	EV_P = ev_default_loop_ptr;
1998	#endif
1999
2000	postfork = 1; /* must be in line with ev_loop_fork */	2168	postfork = 1; /* must be in line with ev_default_fork */
2001	}	2169	}
2002		2170
2003	/*****************************************************************************/	2171	/*****************************************************************************/
2004		2172
2005	void	2173	void
…		…
2027		2195
2028	for (pri = NUMPRI; pri--; )	2196	for (pri = NUMPRI; pri--; )
2029	while (pendingcnt [pri])	2197	while (pendingcnt [pri])
2030	{	2198	{
2031	ANPENDING *p = pendings [pri] + --pendingcnt [pri];	2199	ANPENDING *p = pendings [pri] + --pendingcnt [pri];
2032
2033	/assert (("libev: non-pending watcher on pending list", p->w->pending));/
2034	/* ^ this is no longer true, as pending_w could be here */
2035		2200
2036	p->w->pending = 0;	2201	p->w->pending = 0;
2037	EV_CB_INVOKE (p->w, p->events);	2202	EV_CB_INVOKE (p->w, p->events);
2038	EV_FREQUENT_CHECK;	2203	EV_FREQUENT_CHECK;
2039	}	2204	}
…		…
2101	feed_reverse_done (EV_A_ EV_TIMER);	2266	feed_reverse_done (EV_A_ EV_TIMER);
2102	}	2267	}
2103	}	2268	}
2104		2269
2105	#if EV_PERIODIC_ENABLE	2270	#if EV_PERIODIC_ENABLE
		2271
		2272	static void noinline
		2273	periodic_recalc (EV_P_ ev_periodic *w)
		2274	{
		2275	ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL;
		2276	ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval);
		2277
		2278	/* the above almost always errs on the low side */
		2279	while (at <= ev_rt_now)
		2280	{
		2281	ev_tstamp nat = at + w->interval;
		2282
		2283	/* when resolution fails us, we use ev_rt_now */
		2284	if (expect_false (nat == at))
		2285	{
		2286	at = ev_rt_now;
		2287	break;
		2288	}
		2289
		2290	at = nat;
		2291	}
		2292
		2293	ev_at (w) = at;
		2294	}
		2295
2106	/* make periodics pending */	2296	/* make periodics pending */
2107	inline_size void	2297	inline_size void
2108	periodics_reify (EV_P)	2298	periodics_reify (EV_P)
2109	{	2299	{
2110	EV_FREQUENT_CHECK;	2300	EV_FREQUENT_CHECK;
…		…
2129	ANHE_at_cache (periodics [HEAP0]);	2319	ANHE_at_cache (periodics [HEAP0]);
2130	downheap (periodics, periodiccnt, HEAP0);	2320	downheap (periodics, periodiccnt, HEAP0);
2131	}	2321	}
2132	else if (w->interval)	2322	else if (w->interval)
2133	{	2323	{
2134	ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;	2324	periodic_recalc (EV_A_ w);
2135	/* if next trigger time is not sufficiently in the future, put it there */
2136	/* this might happen because of floating point inexactness */
2137	if (ev_at (w) - ev_rt_now < TIME_EPSILON)
2138	{
2139	ev_at (w) += w->interval;
2140
2141	/* if interval is unreasonably low we might still have a time in the past */
2142	/* so correct this. this will make the periodic very inexact, but the user */
2143	/* has effectively asked to get triggered more often than possible */
2144	if (ev_at (w) < ev_rt_now)
2145	ev_at (w) = ev_rt_now;
2146	}
2147
2148	ANHE_at_cache (periodics [HEAP0]);	2325	ANHE_at_cache (periodics [HEAP0]);
2149	downheap (periodics, periodiccnt, HEAP0);	2326	downheap (periodics, periodiccnt, HEAP0);
2150	}	2327	}
2151	else	2328	else
2152	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */	2329	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */
…		…
2159	feed_reverse_done (EV_A_ EV_PERIODIC);	2336	feed_reverse_done (EV_A_ EV_PERIODIC);
2160	}	2337	}
2161	}	2338	}
2162		2339
2163	/* simply recalculate all periodics */	2340	/* simply recalculate all periodics */
2164	/* TODO: maybe ensure that at leats one event happens when jumping forward? */	2341	/* TODO: maybe ensure that at least one event happens when jumping forward? */
2165	static void noinline	2342	static void noinline
2166	periodics_reschedule (EV_P)	2343	periodics_reschedule (EV_P)
2167	{	2344	{
2168	int i;	2345	int i;
2169		2346
…		…
2173	ev_periodic w = (ev_periodic )ANHE_w (periodics [i]);	2350	ev_periodic w = (ev_periodic )ANHE_w (periodics [i]);
2174		2351
2175	if (w->reschedule_cb)	2352	if (w->reschedule_cb)
2176	ev_at (w) = w->reschedule_cb (w, ev_rt_now);	2353	ev_at (w) = w->reschedule_cb (w, ev_rt_now);
2177	else if (w->interval)	2354	else if (w->interval)
2178	ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;	2355	periodic_recalc (EV_A_ w);
2179		2356
2180	ANHE_at_cache (periodics [i]);	2357	ANHE_at_cache (periodics [i]);
2181	}	2358	}
2182		2359
2183	reheap (periodics, periodiccnt);	2360	reheap (periodics, periodiccnt);
…		…
2230	* doesn't hurt either as we only do this on time-jumps or	2407	* doesn't hurt either as we only do this on time-jumps or
2231	* in the unlikely event of having been preempted here.	2408	* in the unlikely event of having been preempted here.
2232	*/	2409	*/
2233	for (i = 4; --i; )	2410	for (i = 4; --i; )
2234	{	2411	{
		2412	ev_tstamp diff;
2235	rtmn_diff = ev_rt_now - mn_now;	2413	rtmn_diff = ev_rt_now - mn_now;
2236		2414
		2415	diff = odiff - rtmn_diff;
		2416
2237	if (expect_true (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP))	2417	if (expect_true ((diff < 0. ? -diff : diff) < MIN_TIMEJUMP))
2238	return; /* all is well */	2418	return; /* all is well */
2239		2419
2240	ev_rt_now = ev_time ();	2420	ev_rt_now = ev_time ();
2241	mn_now = get_clock ();	2421	mn_now = get_clock ();
2242	now_floor = mn_now;	2422	now_floor = mn_now;
…		…
2265	mn_now = ev_rt_now;	2445	mn_now = ev_rt_now;
2266	}	2446	}
2267	}	2447	}
2268		2448
2269	void	2449	void
2270	ev_loop (EV_P_ int flags)	2450	ev_run (EV_P_ int flags)
2271	{	2451	{
2272	#if EV_FEATURE_API	2452	#if EV_FEATURE_API
2273	++loop_depth;	2453	++loop_depth;
2274	#endif	2454	#endif
2275		2455
2276	assert (("libev: ev_loop recursion during release detected", loop_done != EVUNLOOP_RECURSE));	2456	assert (("libev: ev_loop recursion during release detected", loop_done != EVBREAK_RECURSE));
2277		2457
2278	loop_done = EVUNLOOP_CANCEL;	2458	loop_done = EVBREAK_CANCEL;
2279		2459
2280	EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */	2460	EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */
2281		2461
2282	do	2462	do
2283	{	2463	{
…		…
2326	/* calculate blocking time */	2506	/* calculate blocking time */
2327	{	2507	{
2328	ev_tstamp waittime = 0.;	2508	ev_tstamp waittime = 0.;
2329	ev_tstamp sleeptime = 0.;	2509	ev_tstamp sleeptime = 0.;
2330		2510
		2511	/* remember old timestamp for io_blocktime calculation */
		2512	ev_tstamp prev_mn_now = mn_now;
		2513
		2514	/* update time to cancel out callback processing overhead */
		2515	time_update (EV_A_ 1e100);
		2516
		2517	/* from now on, we want a pipe-wake-up */
		2518	pipe_write_wanted = 1;
		2519
2331	if (expect_true (!(flags & EVLOOP_NONBLOCK \|\| idleall \|\| !activecnt)))	2520	if (expect_true (!(flags & EVRUN_NOWAIT \|\| idleall \|\| !activecnt \|\| pipe_write_skipped)))
2332	{	2521	{
2333	/* remember old timestamp for io_blocktime calculation */
2334	ev_tstamp prev_mn_now = mn_now;
2335
2336	/* update time to cancel out callback processing overhead */
2337	time_update (EV_A_ 1e100);
2338
2339	waittime = MAX_BLOCKTIME;	2522	waittime = MAX_BLOCKTIME;
2340		2523
2341	if (timercnt)	2524	if (timercnt)
2342	{	2525	{
2343	ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge;	2526	ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now;
2344	if (waittime > to) waittime = to;	2527	if (waittime > to) waittime = to;
2345	}	2528	}
2346		2529
2347	#if EV_PERIODIC_ENABLE	2530	#if EV_PERIODIC_ENABLE
2348	if (periodiccnt)	2531	if (periodiccnt)
2349	{	2532	{
2350	ev_tstamp to = ANHE_at (periodics [HEAP0]) - ev_rt_now + backend_fudge;	2533	ev_tstamp to = ANHE_at (periodics [HEAP0]) - ev_rt_now;
2351	if (waittime > to) waittime = to;	2534	if (waittime > to) waittime = to;
2352	}	2535	}
2353	#endif	2536	#endif
2354		2537
2355	/* don't let timeouts decrease the waittime below timeout_blocktime */	2538	/* don't let timeouts decrease the waittime below timeout_blocktime */
2356	if (expect_false (waittime < timeout_blocktime))	2539	if (expect_false (waittime < timeout_blocktime))
2357	waittime = timeout_blocktime;	2540	waittime = timeout_blocktime;
		2541
		2542	/* at this point, we NEED to wait, so we have to ensure */
		2543	/* to pass a minimum nonzero value to the backend */
		2544	if (expect_false (waittime < backend_mintime))
		2545	waittime = backend_mintime;
2358		2546
2359	/* extra check because io_blocktime is commonly 0 */	2547	/* extra check because io_blocktime is commonly 0 */
2360	if (expect_false (io_blocktime))	2548	if (expect_false (io_blocktime))
2361	{	2549	{
2362	sleeptime = io_blocktime - (mn_now - prev_mn_now);	2550	sleeptime = io_blocktime - (mn_now - prev_mn_now);
2363		2551
2364	if (sleeptime > waittime - backend_fudge)	2552	if (sleeptime > waittime - backend_mintime)
2365	sleeptime = waittime - backend_fudge;	2553	sleeptime = waittime - backend_mintime;
2366		2554
2367	if (expect_true (sleeptime > 0.))	2555	if (expect_true (sleeptime > 0.))
2368	{	2556	{
2369	ev_sleep (sleeptime);	2557	ev_sleep (sleeptime);
2370	waittime -= sleeptime;	2558	waittime -= sleeptime;
…		…
2373	}	2561	}
2374		2562
2375	#if EV_FEATURE_API	2563	#if EV_FEATURE_API
2376	++loop_count;	2564	++loop_count;
2377	#endif	2565	#endif
2378	assert ((loop_done = EVUNLOOP_RECURSE, 1)); /* assert for side effect */	2566	assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */
2379	backend_poll (EV_A_ waittime);	2567	backend_poll (EV_A_ waittime);
2380	assert ((loop_done = EVUNLOOP_CANCEL, 1)); /* assert for side effect */	2568	assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */
		2569
		2570	pipe_write_wanted = 0;
		2571
		2572	if (pipe_write_skipped)
		2573	{
		2574	assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));
		2575	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
		2576	}
		2577
2381		2578
2382	/* update ev_rt_now, do magic */	2579	/* update ev_rt_now, do magic */
2383	time_update (EV_A_ waittime + sleeptime);	2580	time_update (EV_A_ waittime + sleeptime);
2384	}	2581	}
2385		2582
…		…
2403	EV_INVOKE_PENDING;	2600	EV_INVOKE_PENDING;
2404	}	2601	}
2405	while (expect_true (	2602	while (expect_true (
2406	activecnt	2603	activecnt
2407	&& !loop_done	2604	&& !loop_done
2408	&& !(flags & (EVLOOP_ONESHOT \| EVLOOP_NONBLOCK))	2605	&& !(flags & (EVRUN_ONCE \| EVRUN_NOWAIT))
2409	));	2606	));
2410		2607
2411	if (loop_done == EVUNLOOP_ONE)	2608	if (loop_done == EVBREAK_ONE)
2412	loop_done = EVUNLOOP_CANCEL;	2609	loop_done = EVBREAK_CANCEL;
2413		2610
2414	#if EV_FEATURE_API	2611	#if EV_FEATURE_API
2415	--loop_depth;	2612	--loop_depth;
2416	#endif	2613	#endif
2417	}	2614	}
2418		2615
2419	void	2616	void
2420	ev_unloop (EV_P_ int how)	2617	ev_break (EV_P_ int how)
2421	{	2618	{
2422	loop_done = how;	2619	loop_done = how;
2423	}	2620	}
2424		2621
2425	void	2622	void
…		…
2573	EV_FREQUENT_CHECK;	2770	EV_FREQUENT_CHECK;
2574		2771
2575	wlist_del (&anfds[w->fd].head, (WL)w);	2772	wlist_del (&anfds[w->fd].head, (WL)w);
2576	ev_stop (EV_A_ (W)w);	2773	ev_stop (EV_A_ (W)w);
2577		2774
2578	fd_change (EV_A_ w->fd, 1);	2775	fd_change (EV_A_ w->fd, EV_ANFD_REIFY);
2579		2776
2580	EV_FREQUENT_CHECK;	2777	EV_FREQUENT_CHECK;
2581	}	2778	}
2582		2779
2583	void noinline	2780	void noinline
…		…
2675	if (w->reschedule_cb)	2872	if (w->reschedule_cb)
2676	ev_at (w) = w->reschedule_cb (w, ev_rt_now);	2873	ev_at (w) = w->reschedule_cb (w, ev_rt_now);
2677	else if (w->interval)	2874	else if (w->interval)
2678	{	2875	{
2679	assert (("libev: ev_periodic_start called with negative interval value", w->interval >= 0.));	2876	assert (("libev: ev_periodic_start called with negative interval value", w->interval >= 0.));
2680	/* this formula differs from the one in periodic_reify because we do not always round up */	2877	periodic_recalc (EV_A_ w);
2681	ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
2682	}	2878	}
2683	else	2879	else
2684	ev_at (w) = w->offset;	2880	ev_at (w) = w->offset;
2685		2881
2686	EV_FREQUENT_CHECK;	2882	EV_FREQUENT_CHECK;
…		…
2807	sa.sa_handler = ev_sighandler;	3003	sa.sa_handler = ev_sighandler;
2808	sigfillset (&sa.sa_mask);	3004	sigfillset (&sa.sa_mask);
2809	sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */	3005	sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */
2810	sigaction (w->signum, &sa, 0);	3006	sigaction (w->signum, &sa, 0);
2811		3007
		3008	if (origflags & EVFLAG_NOSIGMASK)
		3009	{
2812	sigemptyset (&sa.sa_mask);	3010	sigemptyset (&sa.sa_mask);
2813	sigaddset (&sa.sa_mask, w->signum);	3011	sigaddset (&sa.sa_mask, w->signum);
2814	sigprocmask (SIG_UNBLOCK, &sa.sa_mask, 0);	3012	sigprocmask (SIG_UNBLOCK, &sa.sa_mask, 0);
		3013	}
2815	#endif	3014	#endif
2816	}	3015	}
2817		3016
2818	EV_FREQUENT_CHECK;	3017	EV_FREQUENT_CHECK;
2819	}	3018	}
…		…
2960	if (!pend \|\| pend == path)	3159	if (!pend \|\| pend == path)
2961	break;	3160	break;
2962		3161
2963	*pend = 0;	3162	*pend = 0;
2964	w->wd = inotify_add_watch (fs_fd, path, mask);	3163	w->wd = inotify_add_watch (fs_fd, path, mask);
2965	}	3164	}
2966	while (w->wd < 0 && (errno == ENOENT \|\| errno == EACCES));	3165	while (w->wd < 0 && (errno == ENOENT \|\| errno == EACCES));
2967	}	3166	}
2968	}	3167	}
2969		3168
2970	if (w->wd >= 0)	3169	if (w->wd >= 0)
…		…
3035	{	3234	{
3036	struct inotify_event ev = (struct inotify_event )(buf + ofs);	3235	struct inotify_event ev = (struct inotify_event )(buf + ofs);
3037	infy_wd (EV_A_ ev->wd, ev->wd, ev);	3236	infy_wd (EV_A_ ev->wd, ev->wd, ev);
3038	ofs += sizeof (struct inotify_event) + ev->len;	3237	ofs += sizeof (struct inotify_event) + ev->len;
3039	}	3238	}
3040	}
3041
3042	inline_size unsigned int
3043	ev_linux_version (void)
3044	{
3045	struct utsname buf;
3046	unsigned int v;
3047	int i;
3048	char *p = buf.release;
3049
3050	if (uname (&buf))
3051	return 0;
3052
3053	for (i = 3+1; --i; )
3054	{
3055	unsigned int c = 0;
3056
3057	for (;;)
3058	{
3059	if (p >= '0' && p <= '9')
3060	c = c * 10 + *p++ - '0';
3061	else
3062	{
3063	p += *p == '.';
3064	break;
3065	}
3066	}
3067
3068	v = (v << 8) \| c;
3069	}
3070
3071	return v;
3072	}	3239	}
3073		3240
3074	inline_size void	3241	inline_size void
3075	ev_check_2625 (EV_P)	3242	ev_check_2625 (EV_P)
3076	{	3243	{
…		…
3400		3567
3401	#if EV_EMBED_ENABLE	3568	#if EV_EMBED_ENABLE
3402	void noinline	3569	void noinline
3403	ev_embed_sweep (EV_P_ ev_embed *w)	3570	ev_embed_sweep (EV_P_ ev_embed *w)
3404	{	3571	{
3405	ev_loop (w->other, EVLOOP_NONBLOCK);	3572	ev_run (w->other, EVRUN_NOWAIT);
3406	}	3573	}
3407		3574
3408	static void	3575	static void
3409	embed_io_cb (EV_P_ ev_io *io, int revents)	3576	embed_io_cb (EV_P_ ev_io *io, int revents)
3410	{	3577	{
3411	ev_embed w = (ev_embed )(((char *)io) - offsetof (ev_embed, io));	3578	ev_embed w = (ev_embed )(((char *)io) - offsetof (ev_embed, io));
3412		3579
3413	if (ev_cb (w))	3580	if (ev_cb (w))
3414	ev_feed_event (EV_A_ (W)w, EV_EMBED);	3581	ev_feed_event (EV_A_ (W)w, EV_EMBED);
3415	else	3582	else
3416	ev_loop (w->other, EVLOOP_NONBLOCK);	3583	ev_run (w->other, EVRUN_NOWAIT);
3417	}	3584	}
3418		3585
3419	static void	3586	static void
3420	embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents)	3587	embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents)
3421	{	3588	{
…		…
3425	EV_P = w->other;	3592	EV_P = w->other;
3426		3593
3427	while (fdchangecnt)	3594	while (fdchangecnt)
3428	{	3595	{
3429	fd_reify (EV_A);	3596	fd_reify (EV_A);
3430	ev_loop (EV_A_ EVLOOP_NONBLOCK);	3597	ev_run (EV_A_ EVRUN_NOWAIT);
3431	}	3598	}
3432	}	3599	}
3433	}	3600	}
3434		3601
3435	static void	3602	static void
…		…
3441		3608
3442	{	3609	{
3443	EV_P = w->other;	3610	EV_P = w->other;
3444		3611
3445	ev_loop_fork (EV_A);	3612	ev_loop_fork (EV_A);
3446	ev_loop (EV_A_ EVLOOP_NONBLOCK);	3613	ev_run (EV_A_ EVRUN_NOWAIT);
3447	}	3614	}
3448		3615
3449	ev_embed_start (EV_A_ w);	3616	ev_embed_start (EV_A_ w);
3450	}	3617	}
3451		3618
…		…
3543		3710
3544	EV_FREQUENT_CHECK;	3711	EV_FREQUENT_CHECK;
3545	}	3712	}
3546	#endif	3713	#endif
3547		3714
3548	#if EV_ASYNC_ENABLE	3715	#if EV_CLEANUP_ENABLE
3549	void	3716	void
3550	ev_async_start (EV_P_ ev_async *w)	3717	ev_cleanup_start (EV_P_ ev_cleanup *w)
3551	{	3718	{
3552	if (expect_false (ev_is_active (w)))	3719	if (expect_false (ev_is_active (w)))
3553	return;	3720	return;
		3721
		3722	EV_FREQUENT_CHECK;
		3723
		3724	ev_start (EV_A_ (W)w, ++cleanupcnt);
		3725	array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, EMPTY2);
		3726	cleanups [cleanupcnt - 1] = w;
		3727
		3728	/* cleanup watchers should never keep a refcount on the loop */
		3729	ev_unref (EV_A);
		3730	EV_FREQUENT_CHECK;
		3731	}
		3732
		3733	void
		3734	ev_cleanup_stop (EV_P_ ev_cleanup *w)
		3735	{
		3736	clear_pending (EV_A_ (W)w);
		3737	if (expect_false (!ev_is_active (w)))
		3738	return;
		3739
		3740	EV_FREQUENT_CHECK;
		3741	ev_ref (EV_A);
		3742
		3743	{
		3744	int active = ev_active (w);
		3745
		3746	cleanups [active - 1] = cleanups [--cleanupcnt];
		3747	ev_active (cleanups [active - 1]) = active;
		3748	}
		3749
		3750	ev_stop (EV_A_ (W)w);
		3751
		3752	EV_FREQUENT_CHECK;
		3753	}
		3754	#endif
		3755
		3756	#if EV_ASYNC_ENABLE
		3757	void
		3758	ev_async_start (EV_P_ ev_async *w)
		3759	{
		3760	if (expect_false (ev_is_active (w)))
		3761	return;
		3762
		3763	w->sent = 0;
3554		3764
3555	evpipe_init (EV_A);	3765	evpipe_init (EV_A);
3556		3766
3557	EV_FREQUENT_CHECK;	3767	EV_FREQUENT_CHECK;
3558		3768
…		…
3778		3988
3779	#if EV_MULTIPLICITY	3989	#if EV_MULTIPLICITY
3780	#include "ev_wrap.h"	3990	#include "ev_wrap.h"
3781	#endif	3991	#endif
3782		3992
3783	#ifdef __cplusplus	3993	EV_CPP(})
3784	}
3785	#endif
3786		3994

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Comparing libev/ev.c (file contents): Revision 1.341 by root, Tue Mar 16 20:48:29 2010 UTC vs. Revision 1.378 by root, Mon Jun 13 09:52:36 2011 UTC

Diff Legend

Comparing libev/ev.c (file contents):
Revision 1.341 by root, Tue Mar 16 20:48:29 2010 UTC vs.
Revision 1.378 by root, Mon Jun 13 09:52:36 2011 UTC