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Comparing libev/ev.c (file contents):
Revision 1.325 by root, Sun Jan 24 12:31:55 2010 UTC vs.
Revision 1.368 by root, Mon Jan 17 12:11:11 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 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	*
…		…
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
…		…
77	# ifndef EV_USE_REALTIME	73	# ifndef EV_USE_REALTIME
78	# define EV_USE_REALTIME 0	74	# define EV_USE_REALTIME 0
79	# endif	75	# endif
80	# endif	76	# endif
81		77
		78	# if HAVE_NANOSLEEP
82	# ifndef EV_USE_NANOSLEEP	79	# ifndef EV_USE_NANOSLEEP
83	# if HAVE_NANOSLEEP
84	# define EV_USE_NANOSLEEP 1	80	# define EV_USE_NANOSLEEP EV_FEATURE_OS
		81	# endif
85	# else	82	# else
		83	# undef EV_USE_NANOSLEEP
86	# define EV_USE_NANOSLEEP 0	84	# define EV_USE_NANOSLEEP 0
		85	# endif
		86
		87	# if HAVE_SELECT && HAVE_SYS_SELECT_H
		88	# ifndef EV_USE_SELECT
		89	# define EV_USE_SELECT EV_FEATURE_BACKENDS
87	# endif	90	# endif
		91	# else
		92	# undef EV_USE_SELECT
		93	# define EV_USE_SELECT 0
88	# endif	94	# endif
89		95
		96	# if HAVE_POLL && HAVE_POLL_H
90	# ifndef EV_USE_SELECT	97	# ifndef EV_USE_POLL
91	# if HAVE_SELECT && HAVE_SYS_SELECT_H	98	# define EV_USE_POLL EV_FEATURE_BACKENDS
92	# define EV_USE_SELECT 1
93	# else
94	# define EV_USE_SELECT 0
95	# endif	99	# endif
96	# endif
97
98	# ifndef EV_USE_POLL
99	# if HAVE_POLL && HAVE_POLL_H
100	# define EV_USE_POLL 1
101	# else	100	# else
		101	# undef EV_USE_POLL
102	# define EV_USE_POLL 0	102	# define EV_USE_POLL 0
103	# endif
104	# endif	103	# endif
105		104
106	# ifndef EV_USE_EPOLL
107	# if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H	105	# if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H
108	# define EV_USE_EPOLL 1	106	# ifndef EV_USE_EPOLL
109	# else	107	# define EV_USE_EPOLL EV_FEATURE_BACKENDS
110	# define EV_USE_EPOLL 0
111	# endif	108	# endif
		109	# else
		110	# undef EV_USE_EPOLL
		111	# define EV_USE_EPOLL 0
112	# endif	112	# endif
113		113
114	# ifndef EV_USE_KQUEUE
115	# if HAVE_KQUEUE && HAVE_SYS_EVENT_H	114	# if HAVE_KQUEUE && HAVE_SYS_EVENT_H
116	# define EV_USE_KQUEUE 1	115	# ifndef EV_USE_KQUEUE
117	# else	116	# define EV_USE_KQUEUE EV_FEATURE_BACKENDS
118	# define EV_USE_KQUEUE 0
119	# endif	117	# endif
		118	# else
		119	# undef EV_USE_KQUEUE
		120	# define EV_USE_KQUEUE 0
120	# endif	121	# endif
121		122
122	# ifndef EV_USE_PORT
123	# if HAVE_PORT_H && HAVE_PORT_CREATE	123	# if HAVE_PORT_H && HAVE_PORT_CREATE
124	# define EV_USE_PORT 1	124	# ifndef EV_USE_PORT
125	# else	125	# define EV_USE_PORT EV_FEATURE_BACKENDS
126	# define EV_USE_PORT 0
127	# endif	126	# endif
		127	# else
		128	# undef EV_USE_PORT
		129	# define EV_USE_PORT 0
128	# endif	130	# endif
129		131
130	# ifndef EV_USE_INOTIFY
131	# if HAVE_INOTIFY_INIT && HAVE_SYS_INOTIFY_H	132	# if HAVE_INOTIFY_INIT && HAVE_SYS_INOTIFY_H
132	# define EV_USE_INOTIFY 1	133	# ifndef EV_USE_INOTIFY
133	# else
134	# define EV_USE_INOTIFY 0	134	# define EV_USE_INOTIFY EV_FEATURE_OS
135	# endif	135	# endif
		136	# else
		137	# undef EV_USE_INOTIFY
		138	# define EV_USE_INOTIFY 0
136	# endif	139	# endif
137		140
138	# ifndef EV_USE_SIGNALFD
139	# if HAVE_SIGNALFD && HAVE_SYS_SIGNALFD_H	141	# if HAVE_SIGNALFD && HAVE_SYS_SIGNALFD_H
140	# define EV_USE_SIGNALFD 1	142	# ifndef EV_USE_SIGNALFD
141	# else
142	# define EV_USE_SIGNALFD 0	143	# define EV_USE_SIGNALFD EV_FEATURE_OS
143	# endif	144	# endif
		145	# else
		146	# undef EV_USE_SIGNALFD
		147	# define EV_USE_SIGNALFD 0
144	# endif	148	# endif
145		149
		150	# if HAVE_EVENTFD
146	# ifndef EV_USE_EVENTFD	151	# ifndef EV_USE_EVENTFD
147	# if HAVE_EVENTFD
148	# define EV_USE_EVENTFD 1	152	# define EV_USE_EVENTFD EV_FEATURE_OS
149	# else
150	# define EV_USE_EVENTFD 0
151	# endif	153	# endif
		154	# else
		155	# undef EV_USE_EVENTFD
		156	# define EV_USE_EVENTFD 0
152	# endif	157	# endif
153		158
154	#endif	159	#endif
155		160
156	#include <math.h>	161	#include <math.h>
…		…
163		168
164	#include <assert.h>	169	#include <assert.h>
165	#include <errno.h>	170	#include <errno.h>
166	#include <sys/types.h>	171	#include <sys/types.h>
167	#include <time.h>	172	#include <time.h>
		173	#include <limits.h>
168		174
169	#include <signal.h>	175	#include <signal.h>
170		176
171	#ifdef EV_H	177	#ifdef EV_H
172	# include EV_H	178	# include EV_H
173	#else	179	#else
174	# include "ev.h"	180	# include "ev.h"
175	#endif	181	#endif
		182
		183	EV_CPP(extern "C" {)
176		184
177	#ifndef _WIN32	185	#ifndef _WIN32
178	# include <sys/time.h>	186	# include <sys/time.h>
179	# include <sys/wait.h>	187	# include <sys/wait.h>
180	# include <unistd.h>	188	# include <unistd.h>
…		…
183	# define WIN32_LEAN_AND_MEAN	191	# define WIN32_LEAN_AND_MEAN
184	# include <windows.h>	192	# include <windows.h>
185	# ifndef EV_SELECT_IS_WINSOCKET	193	# ifndef EV_SELECT_IS_WINSOCKET
186	# define EV_SELECT_IS_WINSOCKET 1	194	# define EV_SELECT_IS_WINSOCKET 1
187	# endif	195	# endif
		196	# undef EV_AVOID_STDIO
188	#endif	197	#endif
		198
		199	/* OS X, in its infinite idiocy, actually HARDCODES
		200	* a limit of 1024 into their select. Where people have brains,
		201	* OS X engineers apparently have a vacuum. Or maybe they were
		202	* ordered to have a vacuum, or they do anything for money.
		203	* This might help. Or not.
		204	*/
		205	#define _DARWIN_UNLIMITED_SELECT 1
189		206
190	/* this block tries to deduce configuration from header-defined symbols and defaults */	207	/* this block tries to deduce configuration from header-defined symbols and defaults */
191		208
192	/* try to deduce the maximum number of signals on this platform */	209	/* try to deduce the maximum number of signals on this platform */
193	#if defined (EV_NSIG)	210	#if defined (EV_NSIG)
…		…
205	#elif defined (MAXSIG)	222	#elif defined (MAXSIG)
206	# define EV_NSIG (MAXSIG+1)	223	# define EV_NSIG (MAXSIG+1)
207	#elif defined (MAX_SIG)	224	#elif defined (MAX_SIG)
208	# define EV_NSIG (MAX_SIG+1)	225	# define EV_NSIG (MAX_SIG+1)
209	#elif defined (SIGARRAYSIZE)	226	#elif defined (SIGARRAYSIZE)
210	# define EV_NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */	227	# define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */
211	#elif defined (_sys_nsig)	228	#elif defined (_sys_nsig)
212	# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */	229	# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */
213	#else	230	#else
214	# error "unable to find value for NSIG, please report"	231	# error "unable to find value for NSIG, please report"
215	/* to make it compile regardless, just remove the above line */	232	/* to make it compile regardless, just remove the above line, */
		233	/* but consider reporting it, too! :) */
216	# define EV_NSIG 65	234	# define EV_NSIG 65
217	#endif	235	#endif
218		236
219	#ifndef EV_USE_CLOCK_SYSCALL	237	#ifndef EV_USE_CLOCK_SYSCALL
220	# if __linux && __GLIBC__ >= 2	238	# if __linux && __GLIBC__ >= 2
221	# define EV_USE_CLOCK_SYSCALL 1	239	# define EV_USE_CLOCK_SYSCALL EV_FEATURE_OS
222	# else	240	# else
223	# define EV_USE_CLOCK_SYSCALL 0	241	# define EV_USE_CLOCK_SYSCALL 0
224	# endif	242	# endif
225	#endif	243	#endif
226		244
227	#ifndef EV_USE_MONOTONIC	245	#ifndef EV_USE_MONOTONIC
228	# if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0	246	# if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0
229	# define EV_USE_MONOTONIC 1	247	# define EV_USE_MONOTONIC EV_FEATURE_OS
230	# else	248	# else
231	# define EV_USE_MONOTONIC 0	249	# define EV_USE_MONOTONIC 0
232	# endif	250	# endif
233	#endif	251	#endif
234		252
…		…
236	# define EV_USE_REALTIME !EV_USE_CLOCK_SYSCALL	254	# define EV_USE_REALTIME !EV_USE_CLOCK_SYSCALL
237	#endif	255	#endif
238		256
239	#ifndef EV_USE_NANOSLEEP	257	#ifndef EV_USE_NANOSLEEP
240	# if _POSIX_C_SOURCE >= 199309L	258	# if _POSIX_C_SOURCE >= 199309L
241	# define EV_USE_NANOSLEEP 1	259	# define EV_USE_NANOSLEEP EV_FEATURE_OS
242	# else	260	# else
243	# define EV_USE_NANOSLEEP 0	261	# define EV_USE_NANOSLEEP 0
244	# endif	262	# endif
245	#endif	263	#endif
246		264
247	#ifndef EV_USE_SELECT	265	#ifndef EV_USE_SELECT
248	# define EV_USE_SELECT 1	266	# define EV_USE_SELECT EV_FEATURE_BACKENDS
249	#endif	267	#endif
250		268
251	#ifndef EV_USE_POLL	269	#ifndef EV_USE_POLL
252	# ifdef _WIN32	270	# ifdef _WIN32
253	# define EV_USE_POLL 0	271	# define EV_USE_POLL 0
254	# else	272	# else
255	# define EV_USE_POLL 1	273	# define EV_USE_POLL EV_FEATURE_BACKENDS
256	# endif	274	# endif
257	#endif	275	#endif
258		276
259	#ifndef EV_USE_EPOLL	277	#ifndef EV_USE_EPOLL
260	# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))	278	# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))
261	# define EV_USE_EPOLL 1	279	# define EV_USE_EPOLL EV_FEATURE_BACKENDS
262	# else	280	# else
263	# define EV_USE_EPOLL 0	281	# define EV_USE_EPOLL 0
264	# endif	282	# endif
265	#endif	283	#endif
266		284
…		…
272	# define EV_USE_PORT 0	290	# define EV_USE_PORT 0
273	#endif	291	#endif
274		292
275	#ifndef EV_USE_INOTIFY	293	#ifndef EV_USE_INOTIFY
276	# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))	294	# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))
277	# define EV_USE_INOTIFY 1	295	# define EV_USE_INOTIFY EV_FEATURE_OS
278	# else	296	# else
279	# define EV_USE_INOTIFY 0	297	# define EV_USE_INOTIFY 0
280	# endif	298	# endif
281	#endif	299	#endif
282		300
283	#ifndef EV_PID_HASHSIZE	301	#ifndef EV_PID_HASHSIZE
284	# if EV_MINIMAL	302	# define EV_PID_HASHSIZE EV_FEATURE_DATA ? 16 : 1
285	# define EV_PID_HASHSIZE 1
286	# else
287	# define EV_PID_HASHSIZE 16
288	# endif
289	#endif	303	#endif
290		304
291	#ifndef EV_INOTIFY_HASHSIZE	305	#ifndef EV_INOTIFY_HASHSIZE
292	# if EV_MINIMAL	306	# define EV_INOTIFY_HASHSIZE EV_FEATURE_DATA ? 16 : 1
293	# define EV_INOTIFY_HASHSIZE 1
294	# else
295	# define EV_INOTIFY_HASHSIZE 16
296	# endif
297	#endif	307	#endif
298		308
299	#ifndef EV_USE_EVENTFD	309	#ifndef EV_USE_EVENTFD
300	# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7))	310	# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7))
301	# define EV_USE_EVENTFD 1	311	# define EV_USE_EVENTFD EV_FEATURE_OS
302	# else	312	# else
303	# define EV_USE_EVENTFD 0	313	# define EV_USE_EVENTFD 0
304	# endif	314	# endif
305	#endif	315	#endif
306		316
307	#ifndef EV_USE_SIGNALFD	317	#ifndef EV_USE_SIGNALFD
308	# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7))	318	# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7))
309	# define EV_USE_SIGNALFD 1	319	# define EV_USE_SIGNALFD EV_FEATURE_OS
310	# else	320	# else
311	# define EV_USE_SIGNALFD 0	321	# define EV_USE_SIGNALFD 0
312	# endif	322	# endif
313	#endif	323	#endif
314		324
…		…
317	# define EV_USE_4HEAP 1	327	# define EV_USE_4HEAP 1
318	# define EV_HEAP_CACHE_AT 1	328	# define EV_HEAP_CACHE_AT 1
319	#endif	329	#endif
320		330
321	#ifndef EV_VERIFY	331	#ifndef EV_VERIFY
322	# define EV_VERIFY !EV_MINIMAL	332	# define EV_VERIFY (EV_FEATURE_API ? 1 : 0)
323	#endif	333	#endif
324		334
325	#ifndef EV_USE_4HEAP	335	#ifndef EV_USE_4HEAP
326	# define EV_USE_4HEAP !EV_MINIMAL	336	# define EV_USE_4HEAP EV_FEATURE_DATA
327	#endif	337	#endif
328		338
329	#ifndef EV_HEAP_CACHE_AT	339	#ifndef EV_HEAP_CACHE_AT
330	# define EV_HEAP_CACHE_AT !EV_MINIMAL	340	# define EV_HEAP_CACHE_AT EV_FEATURE_DATA
331	#endif	341	#endif
332		342
333	/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */	343	/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */
334	/* which makes programs even slower. might work on other unices, too. */	344	/* which makes programs even slower. might work on other unices, too. */
335	#if EV_USE_CLOCK_SYSCALL	345	#if EV_USE_CLOCK_SYSCALL
…		…
372	# include <sys/select.h>	382	# include <sys/select.h>
373	# endif	383	# endif
374	#endif	384	#endif
375		385
376	#if EV_USE_INOTIFY	386	#if EV_USE_INOTIFY
377	# include <sys/utsname.h>
378	# include <sys/statfs.h>	387	# include <sys/statfs.h>
379	# include <sys/inotify.h>	388	# include <sys/inotify.h>
380	/* some very old inotify.h headers don't have IN_DONT_FOLLOW */	389	/* some very old inotify.h headers don't have IN_DONT_FOLLOW */
381	# ifndef IN_DONT_FOLLOW	390	# ifndef IN_DONT_FOLLOW
382	# undef EV_USE_INOTIFY	391	# undef EV_USE_INOTIFY
…		…
399	# define EFD_CLOEXEC O_CLOEXEC	408	# define EFD_CLOEXEC O_CLOEXEC
400	# else	409	# else
401	# define EFD_CLOEXEC 02000000	410	# define EFD_CLOEXEC 02000000
402	# endif	411	# endif
403	# endif	412	# endif
404	# ifdef __cplusplus
405	extern "C" {
406	# endif
407	int eventfd (unsigned int initval, int flags);	413	EV_CPP(extern "C") int (eventfd) (unsigned int initval, int flags);
408	# ifdef __cplusplus
409	}
410	# endif
411	#endif	414	#endif
412		415
413	#if EV_USE_SIGNALFD	416	#if EV_USE_SIGNALFD
414	/* our minimum requirement is glibc 2.7 which has the stub, but not the header */	417	/* our minimum requirement is glibc 2.7 which has the stub, but not the header */
415	# include <stdint.h>	418	# include <stdint.h>
…		…
421	# define SFD_CLOEXEC O_CLOEXEC	424	# define SFD_CLOEXEC O_CLOEXEC
422	# else	425	# else
423	# define SFD_CLOEXEC 02000000	426	# define SFD_CLOEXEC 02000000
424	# endif	427	# endif
425	# endif	428	# endif
426	# ifdef __cplusplus
427	extern "C" {
428	# endif
429	int signalfd (int fd, const sigset_t *mask, int flags);	429	EV_CPP (extern "C") int signalfd (int fd, const sigset_t *mask, int flags);
430		430
431	struct signalfd_siginfo	431	struct signalfd_siginfo
432	{	432	{
433	uint32_t ssi_signo;	433	uint32_t ssi_signo;
434	char pad[128 - sizeof (uint32_t)];	434	char pad[128 - sizeof (uint32_t)];
435	};	435	};
436	# ifdef __cplusplus
437	}
438	# endif	436	#endif
439	#endif
440
441		437
442	/**/	438	/**/
443		439
444	#if EV_VERIFY >= 3	440	#if EV_VERIFY >= 3
445	# define EV_FREQUENT_CHECK ev_loop_verify (EV_A)	441	# define EV_FREQUENT_CHECK ev_verify (EV_A)
446	#else	442	#else
447	# define EV_FREQUENT_CHECK do { } while (0)	443	# define EV_FREQUENT_CHECK do { } while (0)
448	#endif	444	#endif
449		445
450	/*	446	/*
…		…
458	#define TIME_EPSILON 0.0001220703125 /* 1/8192 */	454	#define TIME_EPSILON 0.0001220703125 /* 1/8192 */
459		455
460	#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */	456	#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */
461	#define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */	457	#define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */
462		458
		459	#define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } while (0)
		460	#define EV_TS_SET(ts,t) do { ts.tv_sec = (long)t; ts.tv_nsec = (long)((t - ts.tv_sec) * 1e9); } while (0)
		461
463	#if __GNUC__ >= 4	462	#if __GNUC__ >= 4
464	# define expect(expr,value) __builtin_expect ((expr),(value))	463	# define expect(expr,value) __builtin_expect ((expr),(value))
465	# define noinline __attribute__ ((noinline))	464	# define noinline __attribute__ ((noinline))
466	#else	465	#else
467	# define expect(expr,value) (expr)	466	# define expect(expr,value) (expr)
…		…
473		472
474	#define expect_false(expr) expect ((expr) != 0, 0)	473	#define expect_false(expr) expect ((expr) != 0, 0)
475	#define expect_true(expr) expect ((expr) != 0, 1)	474	#define expect_true(expr) expect ((expr) != 0, 1)
476	#define inline_size static inline	475	#define inline_size static inline
477		476
478	#if EV_MINIMAL	477	#if EV_FEATURE_CODE
		478	# define inline_speed static inline
		479	#else
479	# define inline_speed static noinline	480	# define inline_speed static noinline
480	#else
481	# define inline_speed static inline
482	#endif	481	#endif
483		482
484	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)	483	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
485		484
486	#if EV_MINPRI == EV_MAXPRI	485	#if EV_MINPRI == EV_MAXPRI
…		…
499	#define ev_active(w) ((W)(w))->active	498	#define ev_active(w) ((W)(w))->active
500	#define ev_at(w) ((WT)(w))->at	499	#define ev_at(w) ((WT)(w))->at
501		500
502	#if EV_USE_REALTIME	501	#if EV_USE_REALTIME
503	/* sig_atomic_t is used to avoid per-thread variables or locking but still */	502	/* sig_atomic_t is used to avoid per-thread variables or locking but still */
504	/* giving it a reasonably high chance of working on typical architetcures */	503	/* giving it a reasonably high chance of working on typical architectures */
505	static EV_ATOMIC_T have_realtime; /* did clock_gettime (CLOCK_REALTIME) work? */	504	static EV_ATOMIC_T have_realtime; /* did clock_gettime (CLOCK_REALTIME) work? */
506	#endif	505	#endif
507		506
508	#if EV_USE_MONOTONIC	507	#if EV_USE_MONOTONIC
509	static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */	508	static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */
…		…
522	#ifdef _WIN32	521	#ifdef _WIN32
523	# include "ev_win32.c"	522	# include "ev_win32.c"
524	#endif	523	#endif
525		524
526	/*****************************************************************************/	525	/*****************************************************************************/
		526
		527	#ifdef __linux
		528	# include <sys/utsname.h>
		529	#endif
		530
		531	static unsigned int noinline
		532	ev_linux_version (void)
		533	{
		534	#ifdef __linux
		535	unsigned int v = 0;
		536	struct utsname buf;
		537	int i;
		538	char *p = buf.release;
		539
		540	if (uname (&buf))
		541	return 0;
		542
		543	for (i = 3+1; --i; )
		544	{
		545	unsigned int c = 0;
		546
		547	for (;;)
		548	{
		549	if (*p >= '0' && *p <= '9')
		550	c = c * 10 + *p++ - '0';
		551	else
		552	{
		553	p += *p == '.';
		554	break;
		555	}
		556	}
		557
		558	v = (v << 8) | c;
		559	}
		560
		561	return v;
		562	#else
		563	return 0;
		564	#endif
		565	}
		566
		567	/*****************************************************************************/
		568
		569	#if EV_AVOID_STDIO
		570	static void noinline
		571	ev_printerr (const char *msg)
		572	{
		573	write (STDERR_FILENO, msg, strlen (msg));
		574	}
		575	#endif
527		576
528	static void (*syserr_cb)(const char *msg);	577	static void (*syserr_cb)(const char *msg);
529		578
530	void	579	void
531	ev_set_syserr_cb (void (*cb)(const char *msg))	580	ev_set_syserr_cb (void (*cb)(const char *msg))
…		…
541		590
542	if (syserr_cb)	591	if (syserr_cb)
543	syserr_cb (msg);	592	syserr_cb (msg);
544	else	593	else
545	{	594	{
		595	#if EV_AVOID_STDIO
		596	ev_printerr (msg);
		597	ev_printerr (": ");
		598	ev_printerr (strerror (errno));
		599	ev_printerr ("\n");
		600	#else
546	perror (msg);	601	perror (msg);
		602	#endif
547	abort ();	603	abort ();
548	}	604	}
549	}	605	}
550		606
551	static void *	607	static void *
552	ev_realloc_emul (void *ptr, long size)	608	ev_realloc_emul (void *ptr, long size)
553	{	609	{
		610	#if __GLIBC__
		611	return realloc (ptr, size);
		612	#else
554	/* some systems, notably openbsd and darwin, fail to properly	613	/* some systems, notably openbsd and darwin, fail to properly
555	* implement realloc (x, 0) (as required by both ansi c-98 and	614	* implement realloc (x, 0) (as required by both ansi c-89 and
556	* the single unix specification, so work around them here.	615	* the single unix specification, so work around them here.
557	*/	616	*/
558		617
559	if (size)	618	if (size)
560	return realloc (ptr, size);	619	return realloc (ptr, size);
561		620
562	free (ptr);	621	free (ptr);
563	return 0;	622	return 0;
		623	#endif
564	}	624	}
565		625
566	static void *(*alloc)(void *ptr, long size) = ev_realloc_emul;	626	static void *(*alloc)(void *ptr, long size) = ev_realloc_emul;
567		627
568	void	628	void
…		…
576	{	636	{
577	ptr = alloc (ptr, size);	637	ptr = alloc (ptr, size);
578		638
579	if (!ptr && size)	639	if (!ptr && size)
580	{	640	{
		641	#if EV_AVOID_STDIO
		642	ev_printerr ("(libev) memory allocation failed, aborting.\n");
		643	#else
581	fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size);	644	fprintf (stderr, "(libev) cannot allocate %ld bytes, aborting.", size);
		645	#endif
582	abort ();	646	abort ();
583	}	647	}
584		648
585	return ptr;	649	return ptr;
586	}	650	}
…		…
602	unsigned char emask; /* the epoll backend stores the actual kernel mask in here */	666	unsigned char emask; /* the epoll backend stores the actual kernel mask in here */
603	unsigned char unused;	667	unsigned char unused;
604	#if EV_USE_EPOLL	668	#if EV_USE_EPOLL
605	unsigned int egen; /* generation counter to counter epoll bugs */	669	unsigned int egen; /* generation counter to counter epoll bugs */
606	#endif	670	#endif
607	#if EV_SELECT_IS_WINSOCKET	671	#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP
608	SOCKET handle;	672	SOCKET handle;
		673	#endif
		674	#if EV_USE_IOCP
		675	OVERLAPPED or, ow;
609	#endif	676	#endif
610	} ANFD;	677	} ANFD;
611		678
612	/* stores the pending event set for a given watcher */	679	/* stores the pending event set for a given watcher */
613	typedef struct	680	typedef struct
…		…
668		735
669	static int ev_default_loop_ptr;	736	static int ev_default_loop_ptr;
670		737
671	#endif	738	#endif
672		739
673	#if EV_MINIMAL < 2	740	#if EV_FEATURE_API
674	# define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A)	741	# define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A)
675	# define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A)	742	# define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A)
676	# define EV_INVOKE_PENDING invoke_cb (EV_A)	743	# define EV_INVOKE_PENDING invoke_cb (EV_A)
677	#else	744	#else
678	# define EV_RELEASE_CB (void)0	745	# define EV_RELEASE_CB (void)0
679	# define EV_ACQUIRE_CB (void)0	746	# define EV_ACQUIRE_CB (void)0
680	# define EV_INVOKE_PENDING ev_invoke_pending (EV_A)	747	# define EV_INVOKE_PENDING ev_invoke_pending (EV_A)
681	#endif	748	#endif
682		749
683	#define EVUNLOOP_RECURSE 0x80	750	#define EVBREAK_RECURSE 0x80
684		751
685	/*****************************************************************************/	752	/*****************************************************************************/
686		753
687	#ifndef EV_HAVE_EV_TIME	754	#ifndef EV_HAVE_EV_TIME
688	ev_tstamp	755	ev_tstamp
…		…
732	if (delay > 0.)	799	if (delay > 0.)
733	{	800	{
734	#if EV_USE_NANOSLEEP	801	#if EV_USE_NANOSLEEP
735	struct timespec ts;	802	struct timespec ts;
736		803
737	ts.tv_sec = (time_t)delay;	804	EV_TS_SET (ts, delay);
738	ts.tv_nsec = (long)((delay - (ev_tstamp)(ts.tv_sec)) * 1e9);
739
740	nanosleep (&ts, 0);	805	nanosleep (&ts, 0);
741	#elif defined(_WIN32)	806	#elif defined(_WIN32)
742	Sleep ((unsigned long)(delay * 1e3));	807	Sleep ((unsigned long)(delay * 1e3));
743	#else	808	#else
744	struct timeval tv;	809	struct timeval tv;
745		810
746	tv.tv_sec = (time_t)delay;
747	tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6);
748
749	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */	811	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */
750	/* something not guaranteed by newer posix versions, but guaranteed */	812	/* something not guaranteed by newer posix versions, but guaranteed */
751	/* by older ones */	813	/* by older ones */
		814	EV_TV_SET (tv, delay);
752	select (0, 0, 0, 0, &tv);	815	select (0, 0, 0, 0, &tv);
753	#endif	816	#endif
754	}	817	}
755	}	818	}
756		819
		820	inline_speed int
		821	ev_timeout_to_ms (ev_tstamp timeout)
		822	{
		823	int ms = timeout * 1000. + .999999;
		824
		825	return expect_true (ms) ? ms : timeout < 1e-6 ? 0 : 1;
		826	}
		827
757	/*****************************************************************************/	828	/*****************************************************************************/
758		829
759	#define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */	830	#define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */
760		831
761	/* find a suitable new size for the given array, */	832	/* find a suitable new size for the given array, */
762	/* hopefully by rounding to a ncie-to-malloc size */	833	/* hopefully by rounding to a nice-to-malloc size */
763	inline_size int	834	inline_size int
764	array_nextsize (int elem, int cur, int cnt)	835	array_nextsize (int elem, int cur, int cnt)
765	{	836	{
766	int ncur = cur + 1;	837	int ncur = cur + 1;
767		838
…		…
863	}	934	}
864		935
865	/*****************************************************************************/	936	/*****************************************************************************/
866		937
867	inline_speed void	938	inline_speed void
868	fd_event_nc (EV_P_ int fd, int revents)	939	fd_event_nocheck (EV_P_ int fd, int revents)
869	{	940	{
870	ANFD *anfd = anfds + fd;	941	ANFD *anfd = anfds + fd;
871	ev_io *w;	942	ev_io *w;
872		943
873	for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next)	944	for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next)
…		…
885	fd_event (EV_P_ int fd, int revents)	956	fd_event (EV_P_ int fd, int revents)
886	{	957	{
887	ANFD *anfd = anfds + fd;	958	ANFD *anfd = anfds + fd;
888		959
889	if (expect_true (!anfd->reify))	960	if (expect_true (!anfd->reify))
890	fd_event_nc (EV_A_ fd, revents);	961	fd_event_nocheck (EV_A_ fd, revents);
891	}	962	}
892		963
893	void	964	void
894	ev_feed_fd_event (EV_P_ int fd, int revents)	965	ev_feed_fd_event (EV_P_ int fd, int revents)
895	{	966	{
896	if (fd >= 0 && fd < anfdmax)	967	if (fd >= 0 && fd < anfdmax)
897	fd_event_nc (EV_A_ fd, revents);	968	fd_event_nocheck (EV_A_ fd, revents);
898	}	969	}
899		970
900	/* make sure the external fd watch events are in-sync */	971	/* make sure the external fd watch events are in-sync */
901	/* with the kernel/libev internal state */	972	/* with the kernel/libev internal state */
902	inline_size void	973	inline_size void
…		…
908	{	979	{
909	int fd = fdchanges [i];	980	int fd = fdchanges [i];
910	ANFD *anfd = anfds + fd;	981	ANFD *anfd = anfds + fd;
911	ev_io *w;	982	ev_io *w;
912		983
913	unsigned char events = 0;	984	unsigned char o_events = anfd->events;
		985	unsigned char o_reify = anfd->reify;
914		986
915	for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next)	987	anfd->reify = 0;
916	events |= (unsigned char)w->events;
917		988
918	#if EV_SELECT_IS_WINSOCKET	989	#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP
919	if (events)	990	if (o_reify & EV__IOFDSET)
920	{	991	{
921	unsigned long arg;	992	unsigned long arg;
922	anfd->handle = EV_FD_TO_WIN32_HANDLE (fd);	993	anfd->handle = EV_FD_TO_WIN32_HANDLE (fd);
923	assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0));	994	assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0));
		995	printf ("oi %d %x\n", fd, anfd->handle);//D
924	}	996	}
925	#endif	997	#endif
926		998
		999	/*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */
927	{	1000	{
928	unsigned char o_events = anfd->events;
929	unsigned char o_reify = anfd->reify;
930
931	anfd->reify = 0;
932	anfd->events = events;	1001	anfd->events = 0;
933		1002
934	if (o_events != events || o_reify & EV__IOFDSET)	1003	for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next)
		1004	anfd->events |= (unsigned char)w->events;
		1005
		1006	if (o_events != anfd->events)
		1007	o_reify = EV__IOFDSET; /* actually |= */
		1008	}
		1009
		1010	if (o_reify & EV__IOFDSET)
935	backend_modify (EV_A_ fd, o_events, events);	1011	backend_modify (EV_A_ fd, o_events, anfd->events);
936	}
937	}	1012	}
938		1013
939	fdchangecnt = 0;	1014	fdchangecnt = 0;
940	}	1015	}
941		1016
…		…
965	ev_io_stop (EV_A_ w);	1040	ev_io_stop (EV_A_ w);
966	ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE);	1041	ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE);
967	}	1042	}
968	}	1043	}
969		1044
970	/* check whether the given fd is atcually valid, for error recovery */	1045	/* check whether the given fd is actually valid, for error recovery */
971	inline_size int	1046	inline_size int
972	fd_valid (int fd)	1047	fd_valid (int fd)
973	{	1048	{
974	#ifdef _WIN32	1049	#ifdef _WIN32
975	return EV_FD_TO_WIN32_HANDLE (fd) != -1;	1050	return EV_FD_TO_WIN32_HANDLE (fd) != -1;
…		…
1017	anfds [fd].emask = 0;	1092	anfds [fd].emask = 0;
1018	fd_change (EV_A_ fd, EV__IOFDSET | EV_ANFD_REIFY);	1093	fd_change (EV_A_ fd, EV__IOFDSET | EV_ANFD_REIFY);
1019	}	1094	}
1020	}	1095	}
1021		1096
		1097	/* used to prepare libev internal fd's */
		1098	/* this is not fork-safe */
		1099	inline_speed void
		1100	fd_intern (int fd)
		1101	{
		1102	#ifdef _WIN32
		1103	unsigned long arg = 1;
		1104	ioctlsocket (EV_FD_TO_WIN32_HANDLE (fd), FIONBIO, &arg);
		1105	#else
		1106	fcntl (fd, F_SETFD, FD_CLOEXEC);
		1107	fcntl (fd, F_SETFL, O_NONBLOCK);
		1108	#endif
		1109	}
		1110
1022	/*****************************************************************************/	1111	/*****************************************************************************/
1023		1112
1024	/*	1113	/*
1025	* the heap functions want a real array index. array index 0 uis guaranteed to not	1114	* the heap functions want a real array index. array index 0 is guaranteed to not
1026	* be in-use at any time. the first heap entry is at array [HEAP0]. DHEAP gives	1115	* be in-use at any time. the first heap entry is at array [HEAP0]. DHEAP gives
1027	* the branching factor of the d-tree.	1116	* the branching factor of the d-tree.
1028	*/	1117	*/
1029		1118
1030	/*	1119	/*
…		…
1178		1267
1179	static ANSIG signals [EV_NSIG - 1];	1268	static ANSIG signals [EV_NSIG - 1];
1180		1269
1181	/*****************************************************************************/	1270	/*****************************************************************************/
1182		1271
1183	/* used to prepare libev internal fd's */	1272	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
1184	/* this is not fork-safe */
1185	inline_speed void
1186	fd_intern (int fd)
1187	{
1188	#ifdef _WIN32
1189	unsigned long arg = 1;
1190	ioctlsocket (EV_FD_TO_WIN32_HANDLE (fd), FIONBIO, &arg);
1191	#else
1192	fcntl (fd, F_SETFD, FD_CLOEXEC);
1193	fcntl (fd, F_SETFL, O_NONBLOCK);
1194	#endif
1195	}
1196		1273
1197	static void noinline	1274	static void noinline
1198	evpipe_init (EV_P)	1275	evpipe_init (EV_P)
1199	{	1276	{
1200	if (!ev_is_active (&pipe_w))	1277	if (!ev_is_active (&pipe_w))
1201	{	1278	{
1202	#if EV_USE_EVENTFD	1279	# if EV_USE_EVENTFD
1203	evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC);	1280	evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC);
1204	if (evfd < 0 && errno == EINVAL)	1281	if (evfd < 0 && errno == EINVAL)
1205	evfd = eventfd (0, 0);	1282	evfd = eventfd (0, 0);
1206		1283
1207	if (evfd >= 0)	1284	if (evfd >= 0)
…		…
1209	evpipe [0] = -1;	1286	evpipe [0] = -1;
1210	fd_intern (evfd); /* doing it twice doesn't hurt */	1287	fd_intern (evfd); /* doing it twice doesn't hurt */
1211	ev_io_set (&pipe_w, evfd, EV_READ);	1288	ev_io_set (&pipe_w, evfd, EV_READ);
1212	}	1289	}
1213	else	1290	else
1214	#endif	1291	# endif
1215	{	1292	{
1216	while (pipe (evpipe))	1293	while (pipe (evpipe))
1217	ev_syserr ("(libev) error creating signal/async pipe");	1294	ev_syserr ("(libev) error creating signal/async pipe");
1218		1295
1219	fd_intern (evpipe [0]);	1296	fd_intern (evpipe [0]);
…		…
1230	evpipe_write (EV_P_ EV_ATOMIC_T *flag)	1307	evpipe_write (EV_P_ EV_ATOMIC_T *flag)
1231	{	1308	{
1232	if (!*flag)	1309	if (!*flag)
1233	{	1310	{
1234	int old_errno = errno; /* save errno because write might clobber it */	1311	int old_errno = errno; /* save errno because write might clobber it */
		1312	char dummy;
1235		1313
1236	*flag = 1;	1314	*flag = 1;
1237		1315
1238	#if EV_USE_EVENTFD	1316	#if EV_USE_EVENTFD
1239	if (evfd >= 0)	1317	if (evfd >= 0)
…		…
1241	uint64_t counter = 1;	1319	uint64_t counter = 1;
1242	write (evfd, &counter, sizeof (uint64_t));	1320	write (evfd, &counter, sizeof (uint64_t));
1243	}	1321	}
1244	else	1322	else
1245	#endif	1323	#endif
		1324	/* win32 people keep sending patches that change this write() to send() */
		1325	/* and then run away. but send() is wrong, it wants a socket handle on win32 */
		1326	/* so when you think this write should be a send instead, please find out */
		1327	/* where your send() is from - it's definitely not the microsoft send, and */
		1328	/* tell me. thank you. */
1246	write (evpipe [1], &old_errno, 1);	1329	write (evpipe [1], &dummy, 1);
1247		1330
1248	errno = old_errno;	1331	errno = old_errno;
1249	}	1332	}
1250	}	1333	}
1251		1334
…		…
1264	}	1347	}
1265	else	1348	else
1266	#endif	1349	#endif
1267	{	1350	{
1268	char dummy;	1351	char dummy;
		1352	/* see discussion in evpipe_write when you think this read should be recv in win32 */
1269	read (evpipe [0], &dummy, 1);	1353	read (evpipe [0], &dummy, 1);
1270	}	1354	}
1271		1355
1272	if (sig_pending)	1356	if (sig_pending)
1273	{	1357	{
…		…
1293	#endif	1377	#endif
1294	}	1378	}
1295		1379
1296	/*****************************************************************************/	1380	/*****************************************************************************/
1297		1381
		1382	void
		1383	ev_feed_signal (int signum)
		1384	{
		1385	#if EV_MULTIPLICITY
		1386	EV_P = signals [signum - 1].loop;
		1387
		1388	if (!EV_A)
		1389	return;
		1390	#endif
		1391
		1392	signals [signum - 1].pending = 1;
		1393	evpipe_write (EV_A_ &sig_pending);
		1394	}
		1395
1298	static void	1396	static void
1299	ev_sighandler (int signum)	1397	ev_sighandler (int signum)
1300	{	1398	{
1301	#if EV_MULTIPLICITY
1302	EV_P = signals [signum - 1].loop;
1303	#endif
1304
1305	#ifdef _WIN32	1399	#ifdef _WIN32
1306	signal (signum, ev_sighandler);	1400	signal (signum, ev_sighandler);
1307	#endif	1401	#endif
1308		1402
1309	signals [signum - 1].pending = 1;	1403	ev_feed_signal (signum);
1310	evpipe_write (EV_A_ &sig_pending);
1311	}	1404	}
1312		1405
1313	void noinline	1406	void noinline
1314	ev_feed_signal_event (EV_P_ int signum)	1407	ev_feed_signal_event (EV_P_ int signum)
1315	{	1408	{
…		…
1352	break;	1445	break;
1353	}	1446	}
1354	}	1447	}
1355	#endif	1448	#endif
1356		1449
		1450	#endif
		1451
1357	/*****************************************************************************/	1452	/*****************************************************************************/
1358		1453
		1454	#if EV_CHILD_ENABLE
1359	static WL childs [EV_PID_HASHSIZE];	1455	static WL childs [EV_PID_HASHSIZE];
1360
1361	#ifndef _WIN32
1362		1456
1363	static ev_signal childev;	1457	static ev_signal childev;
1364		1458
1365	#ifndef WIFCONTINUED	1459	#ifndef WIFCONTINUED
1366	# define WIFCONTINUED(status) 0	1460	# define WIFCONTINUED(status) 0
…		…
1371	child_reap (EV_P_ int chain, int pid, int status)	1465	child_reap (EV_P_ int chain, int pid, int status)
1372	{	1466	{
1373	ev_child *w;	1467	ev_child *w;
1374	int traced = WIFSTOPPED (status) || WIFCONTINUED (status);	1468	int traced = WIFSTOPPED (status) || WIFCONTINUED (status);
1375		1469
1376	for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next)	1470	for (w = (ev_child *)childs [chain & ((EV_PID_HASHSIZE) - 1)]; w; w = (ev_child *)((WL)w)->next)
1377	{	1471	{
1378	if ((w->pid == pid || !w->pid)	1472	if ((w->pid == pid || !w->pid)
1379	&& (!traced || (w->flags & 1)))	1473	&& (!traced || (w->flags & 1)))
1380	{	1474	{
1381	ev_set_priority (w, EV_MAXPRI); /* need to do it *now*, this *must* be the same prio as the signal watcher itself */	1475	ev_set_priority (w, EV_MAXPRI); /* need to do it *now*, this *must* be the same prio as the signal watcher itself */
…		…
1406	/* make sure we are called again until all children have been reaped */	1500	/* make sure we are called again until all children have been reaped */
1407	/* we need to do it this way so that the callback gets called before we continue */	1501	/* we need to do it this way so that the callback gets called before we continue */
1408	ev_feed_event (EV_A_ (W)sw, EV_SIGNAL);	1502	ev_feed_event (EV_A_ (W)sw, EV_SIGNAL);
1409		1503
1410	child_reap (EV_A_ pid, pid, status);	1504	child_reap (EV_A_ pid, pid, status);
1411	if (EV_PID_HASHSIZE > 1)	1505	if ((EV_PID_HASHSIZE) > 1)
1412	child_reap (EV_A_ 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */	1506	child_reap (EV_A_ 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */
1413	}	1507	}
1414		1508
1415	#endif	1509	#endif
1416		1510
1417	/*****************************************************************************/	1511	/*****************************************************************************/
1418		1512
		1513	#if EV_USE_IOCP
		1514	# include "ev_iocp.c"
		1515	#endif
1419	#if EV_USE_PORT	1516	#if EV_USE_PORT
1420	# include "ev_port.c"	1517	# include "ev_port.c"
1421	#endif	1518	#endif
1422	#if EV_USE_KQUEUE	1519	#if EV_USE_KQUEUE
1423	# include "ev_kqueue.c"	1520	# include "ev_kqueue.c"
…		…
1483	#ifdef __APPLE__	1580	#ifdef __APPLE__
1484	/* only select works correctly on that "unix-certified" platform */	1581	/* only select works correctly on that "unix-certified" platform */
1485	flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */	1582	flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */
1486	flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */	1583	flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */
1487	#endif	1584	#endif
		1585	#ifdef __FreeBSD__
		1586	flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */
		1587	#endif
1488		1588
1489	return flags;	1589	return flags;
1490	}	1590	}
1491		1591
1492	unsigned int	1592	unsigned int
1493	ev_embeddable_backends (void)	1593	ev_embeddable_backends (void)
1494	{	1594	{
1495	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;	1595	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
1496		1596
1497	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */	1597	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */
1498	/* please fix it and tell me how to detect the fix */	1598	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
1499	flags &= ~EVBACKEND_EPOLL;	1599	flags &= ~EVBACKEND_EPOLL;
1500		1600
1501	return flags;	1601	return flags;
1502	}	1602	}
1503		1603
1504	unsigned int	1604	unsigned int
1505	ev_backend (EV_P)	1605	ev_backend (EV_P)
1506	{	1606	{
1507	return backend;	1607	return backend;
1508	}	1608	}
1509		1609
1510	#if EV_MINIMAL < 2	1610	#if EV_FEATURE_API
1511	unsigned int	1611	unsigned int
1512	ev_loop_count (EV_P)	1612	ev_iteration (EV_P)
1513	{	1613	{
1514	return loop_count;	1614	return loop_count;
1515	}	1615	}
1516		1616
1517	unsigned int	1617	unsigned int
1518	ev_loop_depth (EV_P)	1618	ev_depth (EV_P)
1519	{	1619	{
1520	return loop_depth;	1620	return loop_depth;
1521	}	1621	}
1522		1622
1523	void	1623	void
…		…
1560	static void noinline	1660	static void noinline
1561	loop_init (EV_P_ unsigned int flags)	1661	loop_init (EV_P_ unsigned int flags)
1562	{	1662	{
1563	if (!backend)	1663	if (!backend)
1564	{	1664	{
		1665	origflags = flags;
		1666
1565	#if EV_USE_REALTIME	1667	#if EV_USE_REALTIME
1566	if (!have_realtime)	1668	if (!have_realtime)
1567	{	1669	{
1568	struct timespec ts;	1670	struct timespec ts;
1569		1671
…		…
1595		1697
1596	ev_rt_now = ev_time ();	1698	ev_rt_now = ev_time ();
1597	mn_now = get_clock ();	1699	mn_now = get_clock ();
1598	now_floor = mn_now;	1700	now_floor = mn_now;
1599	rtmn_diff = ev_rt_now - mn_now;	1701	rtmn_diff = ev_rt_now - mn_now;
1600	#if EV_MINIMAL < 2	1702	#if EV_FEATURE_API
1601	invoke_cb = ev_invoke_pending;	1703	invoke_cb = ev_invoke_pending;
1602	#endif	1704	#endif
1603		1705
1604	io_blocktime = 0.;	1706	io_blocktime = 0.;
1605	timeout_blocktime = 0.;	1707	timeout_blocktime = 0.;
…		…
1614	#endif	1716	#endif
1615	#if EV_USE_SIGNALFD	1717	#if EV_USE_SIGNALFD
1616	sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;	1718	sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;
1617	#endif	1719	#endif
1618		1720
1619	if (!(flags & 0x0000ffffU))	1721	if (!(flags & EVBACKEND_MASK))
1620	flags |= ev_recommended_backends ();	1722	flags |= ev_recommended_backends ();
1621		1723
		1724	#if EV_USE_IOCP
		1725	if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags);
		1726	#endif
1622	#if EV_USE_PORT	1727	#if EV_USE_PORT
1623	if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);	1728	if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);
1624	#endif	1729	#endif
1625	#if EV_USE_KQUEUE	1730	#if EV_USE_KQUEUE
1626	if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags);	1731	if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags);
…		…
1635	if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags);	1740	if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags);
1636	#endif	1741	#endif
1637		1742
1638	ev_prepare_init (&pending_w, pendingcb);	1743	ev_prepare_init (&pending_w, pendingcb);
1639		1744
		1745	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
1640	ev_init (&pipe_w, pipecb);	1746	ev_init (&pipe_w, pipecb);
1641	ev_set_priority (&pipe_w, EV_MAXPRI);	1747	ev_set_priority (&pipe_w, EV_MAXPRI);
		1748	#endif
1642	}	1749	}
1643	}	1750	}
1644		1751
1645	/* free up a loop structure */	1752	/* free up a loop structure */
1646	static void noinline	1753	void
1647	loop_destroy (EV_P)	1754	ev_loop_destroy (EV_P)
1648	{	1755	{
1649	int i;	1756	int i;
		1757
		1758	#if EV_MULTIPLICITY
		1759	/* mimic free (0) */
		1760	if (!EV_A)
		1761	return;
		1762	#endif
		1763
		1764	#if EV_CLEANUP_ENABLE
		1765	/* queue cleanup watchers (and execute them) */
		1766	if (expect_false (cleanupcnt))
		1767	{
		1768	queue_events (EV_A_ (W *)cleanups, cleanupcnt, EV_CLEANUP);
		1769	EV_INVOKE_PENDING;
		1770	}
		1771	#endif
		1772
		1773	#if EV_CHILD_ENABLE
		1774	if (ev_is_active (&childev))
		1775	{
		1776	ev_ref (EV_A); /* child watcher */
		1777	ev_signal_stop (EV_A_ &childev);
		1778	}
		1779	#endif
1650		1780
1651	if (ev_is_active (&pipe_w))	1781	if (ev_is_active (&pipe_w))
1652	{	1782	{
1653	/*ev_ref (EV_A);*/	1783	/*ev_ref (EV_A);*/
1654	/*ev_io_stop (EV_A_ &pipe_w);*/	1784	/*ev_io_stop (EV_A_ &pipe_w);*/
…		…
1676	#endif	1806	#endif
1677		1807
1678	if (backend_fd >= 0)	1808	if (backend_fd >= 0)
1679	close (backend_fd);	1809	close (backend_fd);
1680		1810
		1811	#if EV_USE_IOCP
		1812	if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A);
		1813	#endif
1681	#if EV_USE_PORT	1814	#if EV_USE_PORT
1682	if (backend == EVBACKEND_PORT ) port_destroy (EV_A);	1815	if (backend == EVBACKEND_PORT ) port_destroy (EV_A);
1683	#endif	1816	#endif
1684	#if EV_USE_KQUEUE	1817	#if EV_USE_KQUEUE
1685	if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A);	1818	if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A);
…		…
1712	array_free (periodic, EMPTY);	1845	array_free (periodic, EMPTY);
1713	#endif	1846	#endif
1714	#if EV_FORK_ENABLE	1847	#if EV_FORK_ENABLE
1715	array_free (fork, EMPTY);	1848	array_free (fork, EMPTY);
1716	#endif	1849	#endif
		1850	#if EV_CLEANUP_ENABLE
		1851	array_free (cleanup, EMPTY);
		1852	#endif
1717	array_free (prepare, EMPTY);	1853	array_free (prepare, EMPTY);
1718	array_free (check, EMPTY);	1854	array_free (check, EMPTY);
1719	#if EV_ASYNC_ENABLE	1855	#if EV_ASYNC_ENABLE
1720	array_free (async, EMPTY);	1856	array_free (async, EMPTY);
1721	#endif	1857	#endif
1722		1858
1723	backend = 0;	1859	backend = 0;
		1860
		1861	#if EV_MULTIPLICITY
		1862	if (ev_is_default_loop (EV_A))
		1863	#endif
		1864	ev_default_loop_ptr = 0;
		1865	#if EV_MULTIPLICITY
		1866	else
		1867	ev_free (EV_A);
		1868	#endif
1724	}	1869	}
1725		1870
1726	#if EV_USE_INOTIFY	1871	#if EV_USE_INOTIFY
1727	inline_size void infy_fork (EV_P);	1872	inline_size void infy_fork (EV_P);
1728	#endif	1873	#endif
…		…
1764	{	1909	{
1765	EV_WIN32_CLOSE_FD (evpipe [0]);	1910	EV_WIN32_CLOSE_FD (evpipe [0]);
1766	EV_WIN32_CLOSE_FD (evpipe [1]);	1911	EV_WIN32_CLOSE_FD (evpipe [1]);
1767	}	1912	}
1768		1913
		1914	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
1769	evpipe_init (EV_A);	1915	evpipe_init (EV_A);
1770	/* now iterate over everything, in case we missed something */	1916	/* now iterate over everything, in case we missed something */
1771	pipecb (EV_A_ &pipe_w, EV_READ);	1917	pipecb (EV_A_ &pipe_w, EV_READ);
		1918	#endif
1772	}	1919	}
1773		1920
1774	postfork = 0;	1921	postfork = 0;
1775	}	1922	}
1776		1923
…		…
1785	loop_init (EV_A_ flags);	1932	loop_init (EV_A_ flags);
1786		1933
1787	if (ev_backend (EV_A))	1934	if (ev_backend (EV_A))
1788	return EV_A;	1935	return EV_A;
1789		1936
		1937	ev_free (EV_A);
1790	return 0;	1938	return 0;
1791	}	1939	}
1792		1940
1793	void
1794	ev_loop_destroy (EV_P)
1795	{
1796	loop_destroy (EV_A);
1797	ev_free (loop);
1798	}
1799
1800	void
1801	ev_loop_fork (EV_P)
1802	{
1803	postfork = 1; /* must be in line with ev_default_fork */
1804	}
1805	#endif /* multiplicity */	1941	#endif /* multiplicity */
1806		1942
1807	#if EV_VERIFY	1943	#if EV_VERIFY
1808	static void noinline	1944	static void noinline
1809	verify_watcher (EV_P_ W w)	1945	verify_watcher (EV_P_ W w)
…		…
1838	verify_watcher (EV_A_ ws [cnt]);	1974	verify_watcher (EV_A_ ws [cnt]);
1839	}	1975	}
1840	}	1976	}
1841	#endif	1977	#endif
1842		1978
1843	#if EV_MINIMAL < 2	1979	#if EV_FEATURE_API
1844	void	1980	void
1845	ev_loop_verify (EV_P)	1981	ev_verify (EV_P)
1846	{	1982	{
1847	#if EV_VERIFY	1983	#if EV_VERIFY
1848	int i;	1984	int i;
1849	WL w;	1985	WL w;
1850		1986
…		…
1884	#if EV_FORK_ENABLE	2020	#if EV_FORK_ENABLE
1885	assert (forkmax >= forkcnt);	2021	assert (forkmax >= forkcnt);
1886	array_verify (EV_A_ (W *)forks, forkcnt);	2022	array_verify (EV_A_ (W *)forks, forkcnt);
1887	#endif	2023	#endif
1888		2024
		2025	#if EV_CLEANUP_ENABLE
		2026	assert (cleanupmax >= cleanupcnt);
		2027	array_verify (EV_A_ (W *)cleanups, cleanupcnt);
		2028	#endif
		2029
1889	#if EV_ASYNC_ENABLE	2030	#if EV_ASYNC_ENABLE
1890	assert (asyncmax >= asynccnt);	2031	assert (asyncmax >= asynccnt);
1891	array_verify (EV_A_ (W *)asyncs, asynccnt);	2032	array_verify (EV_A_ (W *)asyncs, asynccnt);
1892	#endif	2033	#endif
1893		2034
		2035	#if EV_PREPARE_ENABLE
1894	assert (preparemax >= preparecnt);	2036	assert (preparemax >= preparecnt);
1895	array_verify (EV_A_ (W *)prepares, preparecnt);	2037	array_verify (EV_A_ (W *)prepares, preparecnt);
		2038	#endif
1896		2039
		2040	#if EV_CHECK_ENABLE
1897	assert (checkmax >= checkcnt);	2041	assert (checkmax >= checkcnt);
1898	array_verify (EV_A_ (W *)checks, checkcnt);	2042	array_verify (EV_A_ (W *)checks, checkcnt);
		2043	#endif
1899		2044
1900	# if 0	2045	# if 0
		2046	#if EV_CHILD_ENABLE
1901	for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next)	2047	for (w = (ev_child *)childs [chain & ((EV_PID_HASHSIZE) - 1)]; w; w = (ev_child *)((WL)w)->next)
1902	for (signum = EV_NSIG; signum--; ) if (signals [signum].pending)	2048	for (signum = EV_NSIG; signum--; ) if (signals [signum].pending)
		2049	#endif
1903	# endif	2050	# endif
1904	#endif	2051	#endif
1905	}	2052	}
1906	#endif	2053	#endif
1907		2054
1908	#if EV_MULTIPLICITY	2055	#if EV_MULTIPLICITY
1909	struct ev_loop *	2056	struct ev_loop *
1910	ev_default_loop_init (unsigned int flags)
1911	#else	2057	#else
1912	int	2058	int
		2059	#endif
1913	ev_default_loop (unsigned int flags)	2060	ev_default_loop (unsigned int flags)
1914	#endif
1915	{	2061	{
1916	if (!ev_default_loop_ptr)	2062	if (!ev_default_loop_ptr)
1917	{	2063	{
1918	#if EV_MULTIPLICITY	2064	#if EV_MULTIPLICITY
1919	EV_P = ev_default_loop_ptr = &default_loop_struct;	2065	EV_P = ev_default_loop_ptr = &default_loop_struct;
…		…
1923		2069
1924	loop_init (EV_A_ flags);	2070	loop_init (EV_A_ flags);
1925		2071
1926	if (ev_backend (EV_A))	2072	if (ev_backend (EV_A))
1927	{	2073	{
1928	#ifndef _WIN32	2074	#if EV_CHILD_ENABLE
1929	ev_signal_init (&childev, childcb, SIGCHLD);	2075	ev_signal_init (&childev, childcb, SIGCHLD);
1930	ev_set_priority (&childev, EV_MAXPRI);	2076	ev_set_priority (&childev, EV_MAXPRI);
1931	ev_signal_start (EV_A_ &childev);	2077	ev_signal_start (EV_A_ &childev);
1932	ev_unref (EV_A); /* child watcher should not keep loop alive */	2078	ev_unref (EV_A); /* child watcher should not keep loop alive */
1933	#endif	2079	#endif
…		…
1938		2084
1939	return ev_default_loop_ptr;	2085	return ev_default_loop_ptr;
1940	}	2086	}
1941		2087
1942	void	2088	void
1943	ev_default_destroy (void)	2089	ev_loop_fork (EV_P)
1944	{	2090	{
1945	#if EV_MULTIPLICITY
1946	EV_P = ev_default_loop_ptr;
1947	#endif
1948
1949	ev_default_loop_ptr = 0;
1950
1951	#ifndef _WIN32
1952	ev_ref (EV_A); /* child watcher */
1953	ev_signal_stop (EV_A_ &childev);
1954	#endif
1955
1956	loop_destroy (EV_A);
1957	}
1958
1959	void
1960	ev_default_fork (void)
1961	{
1962	#if EV_MULTIPLICITY
1963	EV_P = ev_default_loop_ptr;
1964	#endif
1965
1966	postfork = 1; /* must be in line with ev_loop_fork */	2091	postfork = 1; /* must be in line with ev_default_fork */
1967	}	2092	}
1968		2093
1969	/*****************************************************************************/	2094	/*****************************************************************************/
1970		2095
1971	void	2096	void
…		…
1993		2118
1994	for (pri = NUMPRI; pri--; )	2119	for (pri = NUMPRI; pri--; )
1995	while (pendingcnt [pri])	2120	while (pendingcnt [pri])
1996	{	2121	{
1997	ANPENDING *p = pendings [pri] + --pendingcnt [pri];	2122	ANPENDING *p = pendings [pri] + --pendingcnt [pri];
1998
1999	/*assert (("libev: non-pending watcher on pending list", p->w->pending));*/
2000	/* ^ this is no longer true, as pending_w could be here */
2001		2123
2002	p->w->pending = 0;	2124	p->w->pending = 0;
2003	EV_CB_INVOKE (p->w, p->events);	2125	EV_CB_INVOKE (p->w, p->events);
2004	EV_FREQUENT_CHECK;	2126	EV_FREQUENT_CHECK;
2005	}	2127	}
…		…
2062	EV_FREQUENT_CHECK;	2184	EV_FREQUENT_CHECK;
2063	feed_reverse (EV_A_ (W)w);	2185	feed_reverse (EV_A_ (W)w);
2064	}	2186	}
2065	while (timercnt && ANHE_at (timers [HEAP0]) < mn_now);	2187	while (timercnt && ANHE_at (timers [HEAP0]) < mn_now);
2066		2188
2067	feed_reverse_done (EV_A_ EV_TIMEOUT);	2189	feed_reverse_done (EV_A_ EV_TIMER);
2068	}	2190	}
2069	}	2191	}
2070		2192
2071	#if EV_PERIODIC_ENABLE	2193	#if EV_PERIODIC_ENABLE
2072	/* make periodics pending */	2194	/* make periodics pending */
…		…
2125	feed_reverse_done (EV_A_ EV_PERIODIC);	2247	feed_reverse_done (EV_A_ EV_PERIODIC);
2126	}	2248	}
2127	}	2249	}
2128		2250
2129	/* simply recalculate all periodics */	2251	/* simply recalculate all periodics */
2130	/* TODO: maybe ensure that at leats one event happens when jumping forward? */	2252	/* TODO: maybe ensure that at least one event happens when jumping forward? */
2131	static void noinline	2253	static void noinline
2132	periodics_reschedule (EV_P)	2254	periodics_reschedule (EV_P)
2133	{	2255	{
2134	int i;	2256	int i;
2135		2257
…		…
2231	mn_now = ev_rt_now;	2353	mn_now = ev_rt_now;
2232	}	2354	}
2233	}	2355	}
2234		2356
2235	void	2357	void
2236	ev_loop (EV_P_ int flags)	2358	ev_run (EV_P_ int flags)
2237	{	2359	{
2238	#if EV_MINIMAL < 2	2360	#if EV_FEATURE_API
2239	++loop_depth;	2361	++loop_depth;
2240	#endif	2362	#endif
2241		2363
2242	assert (("libev: ev_loop recursion during release detected", loop_done != EVUNLOOP_RECURSE));	2364	assert (("libev: ev_loop recursion during release detected", loop_done != EVBREAK_RECURSE));
2243		2365
2244	loop_done = EVUNLOOP_CANCEL;	2366	loop_done = EVBREAK_CANCEL;
2245		2367
2246	EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */	2368	EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */
2247		2369
2248	do	2370	do
2249	{	2371	{
2250	#if EV_VERIFY >= 2	2372	#if EV_VERIFY >= 2
2251	ev_loop_verify (EV_A);	2373	ev_verify (EV_A);
2252	#endif	2374	#endif
2253		2375
2254	#ifndef _WIN32	2376	#ifndef _WIN32
2255	if (expect_false (curpid)) /* penalise the forking check even more */	2377	if (expect_false (curpid)) /* penalise the forking check even more */
2256	if (expect_false (getpid () != curpid))	2378	if (expect_false (getpid () != curpid))
…		…
2268	queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);	2390	queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);
2269	EV_INVOKE_PENDING;	2391	EV_INVOKE_PENDING;
2270	}	2392	}
2271	#endif	2393	#endif
2272		2394
		2395	#if EV_PREPARE_ENABLE
2273	/* queue prepare watchers (and execute them) */	2396	/* queue prepare watchers (and execute them) */
2274	if (expect_false (preparecnt))	2397	if (expect_false (preparecnt))
2275	{	2398	{
2276	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);	2399	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
2277	EV_INVOKE_PENDING;	2400	EV_INVOKE_PENDING;
2278	}	2401	}
		2402	#endif
2279		2403
2280	if (expect_false (loop_done))	2404	if (expect_false (loop_done))
2281	break;	2405	break;
2282		2406
2283	/* we might have forked, so reify kernel state if necessary */	2407	/* we might have forked, so reify kernel state if necessary */
…		…
2290	/* calculate blocking time */	2414	/* calculate blocking time */
2291	{	2415	{
2292	ev_tstamp waittime = 0.;	2416	ev_tstamp waittime = 0.;
2293	ev_tstamp sleeptime = 0.;	2417	ev_tstamp sleeptime = 0.;
2294		2418
		2419	/* remember old timestamp for io_blocktime calculation */
		2420	ev_tstamp prev_mn_now = mn_now;
		2421
		2422	/* update time to cancel out callback processing overhead */
		2423	time_update (EV_A_ 1e100);
		2424
2295	if (expect_true (!(flags & EVLOOP_NONBLOCK || idleall || !activecnt)))	2425	if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt)))
2296	{	2426	{
2297	/* remember old timestamp for io_blocktime calculation */
2298	ev_tstamp prev_mn_now = mn_now;
2299
2300	/* update time to cancel out callback processing overhead */
2301	time_update (EV_A_ 1e100);
2302
2303	waittime = MAX_BLOCKTIME;	2427	waittime = MAX_BLOCKTIME;
2304		2428
2305	if (timercnt)	2429	if (timercnt)
2306	{	2430	{
2307	ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge;	2431	ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge;
…		…
2334	waittime -= sleeptime;	2458	waittime -= sleeptime;
2335	}	2459	}
2336	}	2460	}
2337	}	2461	}
2338		2462
2339	#if EV_MINIMAL < 2	2463	#if EV_FEATURE_API
2340	++loop_count;	2464	++loop_count;
2341	#endif	2465	#endif
2342	assert ((loop_done = EVUNLOOP_RECURSE, 1)); /* assert for side effect */	2466	assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */
2343	backend_poll (EV_A_ waittime);	2467	backend_poll (EV_A_ waittime);
2344	assert ((loop_done = EVUNLOOP_CANCEL, 1)); /* assert for side effect */	2468	assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */
2345		2469
2346	/* update ev_rt_now, do magic */	2470	/* update ev_rt_now, do magic */
2347	time_update (EV_A_ waittime + sleeptime);	2471	time_update (EV_A_ waittime + sleeptime);
2348	}	2472	}
2349		2473
…		…
2356	#if EV_IDLE_ENABLE	2480	#if EV_IDLE_ENABLE
2357	/* queue idle watchers unless other events are pending */	2481	/* queue idle watchers unless other events are pending */
2358	idle_reify (EV_A);	2482	idle_reify (EV_A);
2359	#endif	2483	#endif
2360		2484
		2485	#if EV_CHECK_ENABLE
2361	/* queue check watchers, to be executed first */	2486	/* queue check watchers, to be executed first */
2362	if (expect_false (checkcnt))	2487	if (expect_false (checkcnt))
2363	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);	2488	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
		2489	#endif
2364		2490
2365	EV_INVOKE_PENDING;	2491	EV_INVOKE_PENDING;
2366	}	2492	}
2367	while (expect_true (	2493	while (expect_true (
2368	activecnt	2494	activecnt
2369	&& !loop_done	2495	&& !loop_done
2370	&& !(flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK))	2496	&& !(flags & (EVRUN_ONCE | EVRUN_NOWAIT))
2371	));	2497	));
2372		2498
2373	if (loop_done == EVUNLOOP_ONE)	2499	if (loop_done == EVBREAK_ONE)
2374	loop_done = EVUNLOOP_CANCEL;	2500	loop_done = EVBREAK_CANCEL;
2375		2501
2376	#if EV_MINIMAL < 2	2502	#if EV_FEATURE_API
2377	--loop_depth;	2503	--loop_depth;
2378	#endif	2504	#endif
2379	}	2505	}
2380		2506
2381	void	2507	void
2382	ev_unloop (EV_P_ int how)	2508	ev_break (EV_P_ int how)
2383	{	2509	{
2384	loop_done = how;	2510	loop_done = how;
2385	}	2511	}
2386		2512
2387	void	2513	void
…		…
2507		2633
2508	if (expect_false (ev_is_active (w)))	2634	if (expect_false (ev_is_active (w)))
2509	return;	2635	return;
2510		2636
2511	assert (("libev: ev_io_start called with negative fd", fd >= 0));	2637	assert (("libev: ev_io_start called with negative fd", fd >= 0));
2512	assert (("libev: ev_io start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE))));	2638	assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE))));
2513		2639
2514	EV_FREQUENT_CHECK;	2640	EV_FREQUENT_CHECK;
2515		2641
2516	ev_start (EV_A_ (W)w, 1);	2642	ev_start (EV_A_ (W)w, 1);
2517	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);	2643	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);
…		…
2535	EV_FREQUENT_CHECK;	2661	EV_FREQUENT_CHECK;
2536		2662
2537	wlist_del (&anfds[w->fd].head, (WL)w);	2663	wlist_del (&anfds[w->fd].head, (WL)w);
2538	ev_stop (EV_A_ (W)w);	2664	ev_stop (EV_A_ (W)w);
2539		2665
2540	fd_change (EV_A_ w->fd, 1);	2666	fd_change (EV_A_ w->fd, EV_ANFD_REIFY);
2541		2667
2542	EV_FREQUENT_CHECK;	2668	EV_FREQUENT_CHECK;
2543	}	2669	}
2544		2670
2545	void noinline	2671	void noinline
…		…
2587	timers [active] = timers [timercnt + HEAP0];	2713	timers [active] = timers [timercnt + HEAP0];
2588	adjustheap (timers, timercnt, active);	2714	adjustheap (timers, timercnt, active);
2589	}	2715	}
2590	}	2716	}
2591		2717
2592	EV_FREQUENT_CHECK;
2593
2594	ev_at (w) -= mn_now;	2718	ev_at (w) -= mn_now;
2595		2719
2596	ev_stop (EV_A_ (W)w);	2720	ev_stop (EV_A_ (W)w);
		2721
		2722	EV_FREQUENT_CHECK;
2597	}	2723	}
2598		2724
2599	void noinline	2725	void noinline
2600	ev_timer_again (EV_P_ ev_timer *w)	2726	ev_timer_again (EV_P_ ev_timer *w)
2601	{	2727	{
…		…
2680	periodics [active] = periodics [periodiccnt + HEAP0];	2806	periodics [active] = periodics [periodiccnt + HEAP0];
2681	adjustheap (periodics, periodiccnt, active);	2807	adjustheap (periodics, periodiccnt, active);
2682	}	2808	}
2683	}	2809	}
2684		2810
2685	EV_FREQUENT_CHECK;
2686
2687	ev_stop (EV_A_ (W)w);	2811	ev_stop (EV_A_ (W)w);
		2812
		2813	EV_FREQUENT_CHECK;
2688	}	2814	}
2689		2815
2690	void noinline	2816	void noinline
2691	ev_periodic_again (EV_P_ ev_periodic *w)	2817	ev_periodic_again (EV_P_ ev_periodic *w)
2692	{	2818	{
…		…
2697	#endif	2823	#endif
2698		2824
2699	#ifndef SA_RESTART	2825	#ifndef SA_RESTART
2700	# define SA_RESTART 0	2826	# define SA_RESTART 0
2701	#endif	2827	#endif
		2828
		2829	#if EV_SIGNAL_ENABLE
2702		2830
2703	void noinline	2831	void noinline
2704	ev_signal_start (EV_P_ ev_signal *w)	2832	ev_signal_start (EV_P_ ev_signal *w)
2705	{	2833	{
2706	if (expect_false (ev_is_active (w)))	2834	if (expect_false (ev_is_active (w)))
…		…
2767	sa.sa_handler = ev_sighandler;	2895	sa.sa_handler = ev_sighandler;
2768	sigfillset (&sa.sa_mask);	2896	sigfillset (&sa.sa_mask);
2769	sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */	2897	sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */
2770	sigaction (w->signum, &sa, 0);	2898	sigaction (w->signum, &sa, 0);
2771		2899
		2900	if (origflags & EVFLAG_NOSIGMASK)
		2901	{
2772	sigemptyset (&sa.sa_mask);	2902	sigemptyset (&sa.sa_mask);
2773	sigaddset (&sa.sa_mask, w->signum);	2903	sigaddset (&sa.sa_mask, w->signum);
2774	sigprocmask (SIG_UNBLOCK, &sa.sa_mask, 0);	2904	sigprocmask (SIG_UNBLOCK, &sa.sa_mask, 0);
		2905	}
2775	#endif	2906	#endif
2776	}	2907	}
2777		2908
2778	EV_FREQUENT_CHECK;	2909	EV_FREQUENT_CHECK;
2779	}	2910	}
…		…
2813	}	2944	}
2814		2945
2815	EV_FREQUENT_CHECK;	2946	EV_FREQUENT_CHECK;
2816	}	2947	}
2817		2948
		2949	#endif
		2950
		2951	#if EV_CHILD_ENABLE
		2952
2818	void	2953	void
2819	ev_child_start (EV_P_ ev_child *w)	2954	ev_child_start (EV_P_ ev_child *w)
2820	{	2955	{
2821	#if EV_MULTIPLICITY	2956	#if EV_MULTIPLICITY
2822	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));	2957	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
…		…
2825	return;	2960	return;
2826		2961
2827	EV_FREQUENT_CHECK;	2962	EV_FREQUENT_CHECK;
2828		2963
2829	ev_start (EV_A_ (W)w, 1);	2964	ev_start (EV_A_ (W)w, 1);
2830	wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);	2965	wlist_add (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w);
2831		2966
2832	EV_FREQUENT_CHECK;	2967	EV_FREQUENT_CHECK;
2833	}	2968	}
2834		2969
2835	void	2970	void
…		…
2839	if (expect_false (!ev_is_active (w)))	2974	if (expect_false (!ev_is_active (w)))
2840	return;	2975	return;
2841		2976
2842	EV_FREQUENT_CHECK;	2977	EV_FREQUENT_CHECK;
2843		2978
2844	wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);	2979	wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w);
2845	ev_stop (EV_A_ (W)w);	2980	ev_stop (EV_A_ (W)w);
2846		2981
2847	EV_FREQUENT_CHECK;	2982	EV_FREQUENT_CHECK;
2848	}	2983	}
		2984
		2985	#endif
2849		2986
2850	#if EV_STAT_ENABLE	2987	#if EV_STAT_ENABLE
2851		2988
2852	# ifdef _WIN32	2989	# ifdef _WIN32
2853	# undef lstat	2990	# undef lstat
…		…
2859	#define MIN_STAT_INTERVAL 0.1074891	2996	#define MIN_STAT_INTERVAL 0.1074891
2860		2997
2861	static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents);	2998	static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents);
2862		2999
2863	#if EV_USE_INOTIFY	3000	#if EV_USE_INOTIFY
2864	# define EV_INOTIFY_BUFSIZE 8192	3001
		3002	/* the * 2 is to allow for alignment padding, which for some reason is >> 8 */
		3003	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)
2865		3004
2866	static void noinline	3005	static void noinline
2867	infy_add (EV_P_ ev_stat *w)	3006	infy_add (EV_P_ ev_stat *w)
2868	{	3007	{
2869	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);	3008	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);
…		…
2918	while (w->wd < 0 && (errno == ENOENT || errno == EACCES));	3057	while (w->wd < 0 && (errno == ENOENT || errno == EACCES));
2919	}	3058	}
2920	}	3059	}
2921		3060
2922	if (w->wd >= 0)	3061	if (w->wd >= 0)
2923	wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w);	3062	wlist_add (&fs_hash [w->wd & ((EV_INOTIFY_HASHSIZE) - 1)].head, (WL)w);
2924		3063
2925	/* now re-arm timer, if required */	3064	/* now re-arm timer, if required */
2926	if (ev_is_active (&w->timer)) ev_ref (EV_A);	3065	if (ev_is_active (&w->timer)) ev_ref (EV_A);
2927	ev_timer_again (EV_A_ &w->timer);	3066	ev_timer_again (EV_A_ &w->timer);
2928	if (ev_is_active (&w->timer)) ev_unref (EV_A);	3067	if (ev_is_active (&w->timer)) ev_unref (EV_A);
…		…
2936		3075
2937	if (wd < 0)	3076	if (wd < 0)
2938	return;	3077	return;
2939		3078
2940	w->wd = -2;	3079	w->wd = -2;
2941	slot = wd & (EV_INOTIFY_HASHSIZE - 1);	3080	slot = wd & ((EV_INOTIFY_HASHSIZE) - 1);
2942	wlist_del (&fs_hash [slot].head, (WL)w);	3081	wlist_del (&fs_hash [slot].head, (WL)w);
2943		3082
2944	/* remove this watcher, if others are watching it, they will rearm */	3083	/* remove this watcher, if others are watching it, they will rearm */
2945	inotify_rm_watch (fs_fd, wd);	3084	inotify_rm_watch (fs_fd, wd);
2946	}	3085	}
…		…
2948	static void noinline	3087	static void noinline
2949	infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)	3088	infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)
2950	{	3089	{
2951	if (slot < 0)	3090	if (slot < 0)
2952	/* overflow, need to check for all hash slots */	3091	/* overflow, need to check for all hash slots */
2953	for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot)	3092	for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)
2954	infy_wd (EV_A_ slot, wd, ev);	3093	infy_wd (EV_A_ slot, wd, ev);
2955	else	3094	else
2956	{	3095	{
2957	WL w_;	3096	WL w_;
2958		3097
2959	for (w_ = fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head; w_; )	3098	for (w_ = fs_hash [slot & ((EV_INOTIFY_HASHSIZE) - 1)].head; w_; )
2960	{	3099	{
2961	ev_stat *w = (ev_stat *)w_;	3100	ev_stat *w = (ev_stat *)w_;
2962	w_ = w_->next; /* lets us remove this watcher and all before it */	3101	w_ = w_->next; /* lets us remove this watcher and all before it */
2963		3102
2964	if (w->wd == wd || wd == -1)	3103	if (w->wd == wd || wd == -1)
2965	{	3104	{
2966	if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF))	3105	if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF))
2967	{	3106	{
2968	wlist_del (&fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w);	3107	wlist_del (&fs_hash [slot & ((EV_INOTIFY_HASHSIZE) - 1)].head, (WL)w);
2969	w->wd = -1;	3108	w->wd = -1;
2970	infy_add (EV_A_ w); /* re-add, no matter what */	3109	infy_add (EV_A_ w); /* re-add, no matter what */
2971	}	3110	}
2972		3111
2973	stat_timer_cb (EV_A_ &w->timer, 0);	3112	stat_timer_cb (EV_A_ &w->timer, 0);
…		…
2978		3117
2979	static void	3118	static void
2980	infy_cb (EV_P_ ev_io *w, int revents)	3119	infy_cb (EV_P_ ev_io *w, int revents)
2981	{	3120	{
2982	char buf [EV_INOTIFY_BUFSIZE];	3121	char buf [EV_INOTIFY_BUFSIZE];
2983	struct inotify_event *ev = (struct inotify_event *)buf;
2984	int ofs;	3122	int ofs;
2985	int len = read (fs_fd, buf, sizeof (buf));	3123	int len = read (fs_fd, buf, sizeof (buf));
2986		3124
2987	for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len)	3125	for (ofs = 0; ofs < len; )
		3126	{
		3127	struct inotify_event *ev = (struct inotify_event *)(buf + ofs);
2988	infy_wd (EV_A_ ev->wd, ev->wd, ev);	3128	infy_wd (EV_A_ ev->wd, ev->wd, ev);
		3129	ofs += sizeof (struct inotify_event) + ev->len;
		3130	}
2989	}	3131	}
2990		3132
2991	inline_size void	3133	inline_size void
2992	check_2625 (EV_P)	3134	ev_check_2625 (EV_P)
2993	{	3135	{
2994	/* kernels < 2.6.25 are borked	3136	/* kernels < 2.6.25 are borked
2995	* http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html	3137	* http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html
2996	*/	3138	*/
2997	struct utsname buf;	3139	if (ev_linux_version () < 0x020619)
2998	int major, minor, micro;
2999
3000	if (uname (&buf))
3001	return;
3002
3003	if (sscanf (buf.release, "%d.%d.%d", &major, &minor, &micro) != 3)
3004	return;
3005
3006	if (major < 2
3007	|| (major == 2 && minor < 6)
3008	|| (major == 2 && minor == 6 && micro < 25))
3009	return;	3140	return;
3010		3141
3011	fs_2625 = 1;	3142	fs_2625 = 1;
3012	}	3143	}
3013		3144
…		…
3028	if (fs_fd != -2)	3159	if (fs_fd != -2)
3029	return;	3160	return;
3030		3161
3031	fs_fd = -1;	3162	fs_fd = -1;
3032		3163
3033	check_2625 (EV_A);	3164	ev_check_2625 (EV_A);
3034		3165
3035	fs_fd = infy_newfd ();	3166	fs_fd = infy_newfd ();
3036		3167
3037	if (fs_fd >= 0)	3168	if (fs_fd >= 0)
3038	{	3169	{
…		…
3063	ev_io_set (&fs_w, fs_fd, EV_READ);	3194	ev_io_set (&fs_w, fs_fd, EV_READ);
3064	ev_io_start (EV_A_ &fs_w);	3195	ev_io_start (EV_A_ &fs_w);
3065	ev_unref (EV_A);	3196	ev_unref (EV_A);
3066	}	3197	}
3067		3198
3068	for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot)	3199	for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)
3069	{	3200	{
3070	WL w_ = fs_hash [slot].head;	3201	WL w_ = fs_hash [slot].head;
3071	fs_hash [slot].head = 0;	3202	fs_hash [slot].head = 0;
3072		3203
3073	while (w_)	3204	while (w_)
…		…
3248		3379
3249	EV_FREQUENT_CHECK;	3380	EV_FREQUENT_CHECK;
3250	}	3381	}
3251	#endif	3382	#endif
3252		3383
		3384	#if EV_PREPARE_ENABLE
3253	void	3385	void
3254	ev_prepare_start (EV_P_ ev_prepare *w)	3386	ev_prepare_start (EV_P_ ev_prepare *w)
3255	{	3387	{
3256	if (expect_false (ev_is_active (w)))	3388	if (expect_false (ev_is_active (w)))
3257	return;	3389	return;
…		…
3283		3415
3284	ev_stop (EV_A_ (W)w);	3416	ev_stop (EV_A_ (W)w);
3285		3417
3286	EV_FREQUENT_CHECK;	3418	EV_FREQUENT_CHECK;
3287	}	3419	}
		3420	#endif
3288		3421
		3422	#if EV_CHECK_ENABLE
3289	void	3423	void
3290	ev_check_start (EV_P_ ev_check *w)	3424	ev_check_start (EV_P_ ev_check *w)
3291	{	3425	{
3292	if (expect_false (ev_is_active (w)))	3426	if (expect_false (ev_is_active (w)))
3293	return;	3427	return;
…		…
3319		3453
3320	ev_stop (EV_A_ (W)w);	3454	ev_stop (EV_A_ (W)w);
3321		3455
3322	EV_FREQUENT_CHECK;	3456	EV_FREQUENT_CHECK;
3323	}	3457	}
		3458	#endif
3324		3459
3325	#if EV_EMBED_ENABLE	3460	#if EV_EMBED_ENABLE
3326	void noinline	3461	void noinline
3327	ev_embed_sweep (EV_P_ ev_embed *w)	3462	ev_embed_sweep (EV_P_ ev_embed *w)
3328	{	3463	{
3329	ev_loop (w->other, EVLOOP_NONBLOCK);	3464	ev_run (w->other, EVRUN_NOWAIT);
3330	}	3465	}
3331		3466
3332	static void	3467	static void
3333	embed_io_cb (EV_P_ ev_io *io, int revents)	3468	embed_io_cb (EV_P_ ev_io *io, int revents)
3334	{	3469	{
3335	ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io));	3470	ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io));
3336		3471
3337	if (ev_cb (w))	3472	if (ev_cb (w))
3338	ev_feed_event (EV_A_ (W)w, EV_EMBED);	3473	ev_feed_event (EV_A_ (W)w, EV_EMBED);
3339	else	3474	else
3340	ev_loop (w->other, EVLOOP_NONBLOCK);	3475	ev_run (w->other, EVRUN_NOWAIT);
3341	}	3476	}
3342		3477
3343	static void	3478	static void
3344	embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents)	3479	embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents)
3345	{	3480	{
…		…
3349	EV_P = w->other;	3484	EV_P = w->other;
3350		3485
3351	while (fdchangecnt)	3486	while (fdchangecnt)
3352	{	3487	{
3353	fd_reify (EV_A);	3488	fd_reify (EV_A);
3354	ev_loop (EV_A_ EVLOOP_NONBLOCK);	3489	ev_run (EV_A_ EVRUN_NOWAIT);
3355	}	3490	}
3356	}	3491	}
3357	}	3492	}
3358		3493
3359	static void	3494	static void
…		…
3365		3500
3366	{	3501	{
3367	EV_P = w->other;	3502	EV_P = w->other;
3368		3503
3369	ev_loop_fork (EV_A);	3504	ev_loop_fork (EV_A);
3370	ev_loop (EV_A_ EVLOOP_NONBLOCK);	3505	ev_run (EV_A_ EVRUN_NOWAIT);
3371	}	3506	}
3372		3507
3373	ev_embed_start (EV_A_ w);	3508	ev_embed_start (EV_A_ w);
3374	}	3509	}
3375		3510
…		…
3423		3558
3424	ev_io_stop (EV_A_ &w->io);	3559	ev_io_stop (EV_A_ &w->io);
3425	ev_prepare_stop (EV_A_ &w->prepare);	3560	ev_prepare_stop (EV_A_ &w->prepare);
3426	ev_fork_stop (EV_A_ &w->fork);	3561	ev_fork_stop (EV_A_ &w->fork);
3427		3562
		3563	ev_stop (EV_A_ (W)w);
		3564
3428	EV_FREQUENT_CHECK;	3565	EV_FREQUENT_CHECK;
3429	}	3566	}
3430	#endif	3567	#endif
3431		3568
3432	#if EV_FORK_ENABLE	3569	#if EV_FORK_ENABLE
…		…
3465		3602
3466	EV_FREQUENT_CHECK;	3603	EV_FREQUENT_CHECK;
3467	}	3604	}
3468	#endif	3605	#endif
3469		3606
3470	#if EV_ASYNC_ENABLE	3607	#if EV_CLEANUP_ENABLE
3471	void	3608	void
3472	ev_async_start (EV_P_ ev_async *w)	3609	ev_cleanup_start (EV_P_ ev_cleanup *w)
3473	{	3610	{
3474	if (expect_false (ev_is_active (w)))	3611	if (expect_false (ev_is_active (w)))
3475	return;	3612	return;
		3613
		3614	EV_FREQUENT_CHECK;
		3615
		3616	ev_start (EV_A_ (W)w, ++cleanupcnt);
		3617	array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, EMPTY2);
		3618	cleanups [cleanupcnt - 1] = w;
		3619
		3620	/* cleanup watchers should never keep a refcount on the loop */
		3621	ev_unref (EV_A);
		3622	EV_FREQUENT_CHECK;
		3623	}
		3624
		3625	void
		3626	ev_cleanup_stop (EV_P_ ev_cleanup *w)
		3627	{
		3628	clear_pending (EV_A_ (W)w);
		3629	if (expect_false (!ev_is_active (w)))
		3630	return;
		3631
		3632	EV_FREQUENT_CHECK;
		3633	ev_ref (EV_A);
		3634
		3635	{
		3636	int active = ev_active (w);
		3637
		3638	cleanups [active - 1] = cleanups [--cleanupcnt];
		3639	ev_active (cleanups [active - 1]) = active;
		3640	}
		3641
		3642	ev_stop (EV_A_ (W)w);
		3643
		3644	EV_FREQUENT_CHECK;
		3645	}
		3646	#endif
		3647
		3648	#if EV_ASYNC_ENABLE
		3649	void
		3650	ev_async_start (EV_P_ ev_async *w)
		3651	{
		3652	if (expect_false (ev_is_active (w)))
		3653	return;
		3654
		3655	w->sent = 0;
3476		3656
3477	evpipe_init (EV_A);	3657	evpipe_init (EV_A);
3478		3658
3479	EV_FREQUENT_CHECK;	3659	EV_FREQUENT_CHECK;
3480		3660
…		…
3558	{	3738	{
3559	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));	3739	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));
3560		3740
3561	if (expect_false (!once))	3741	if (expect_false (!once))
3562	{	3742	{
3563	cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg);	3743	cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMER, arg);
3564	return;	3744	return;
3565	}	3745	}
3566		3746
3567	once->cb = cb;	3747	once->cb = cb;
3568	once->arg = arg;	3748	once->arg = arg;
…		…
3655	if (types & EV_ASYNC)	3835	if (types & EV_ASYNC)
3656	for (i = asynccnt; i--; )	3836	for (i = asynccnt; i--; )
3657	cb (EV_A_ EV_ASYNC, asyncs [i]);	3837	cb (EV_A_ EV_ASYNC, asyncs [i]);
3658	#endif	3838	#endif
3659		3839
		3840	#if EV_PREPARE_ENABLE
3660	if (types & EV_PREPARE)	3841	if (types & EV_PREPARE)
3661	for (i = preparecnt; i--; )	3842	for (i = preparecnt; i--; )
3662	#if EV_EMBED_ENABLE	3843	# if EV_EMBED_ENABLE
3663	if (ev_cb (prepares [i]) != embed_prepare_cb)	3844	if (ev_cb (prepares [i]) != embed_prepare_cb)
3664	#endif	3845	# endif
3665	cb (EV_A_ EV_PREPARE, prepares [i]);	3846	cb (EV_A_ EV_PREPARE, prepares [i]);
		3847	#endif
3666		3848
		3849	#if EV_CHECK_ENABLE
3667	if (types & EV_CHECK)	3850	if (types & EV_CHECK)
3668	for (i = checkcnt; i--; )	3851	for (i = checkcnt; i--; )
3669	cb (EV_A_ EV_CHECK, checks [i]);	3852	cb (EV_A_ EV_CHECK, checks [i]);
		3853	#endif
3670		3854
		3855	#if EV_SIGNAL_ENABLE
3671	if (types & EV_SIGNAL)	3856	if (types & EV_SIGNAL)
3672	for (i = 0; i < EV_NSIG - 1; ++i)	3857	for (i = 0; i < EV_NSIG - 1; ++i)
3673	for (wl = signals [i].head; wl; )	3858	for (wl = signals [i].head; wl; )
3674	{	3859	{
3675	wn = wl->next;	3860	wn = wl->next;
3676	cb (EV_A_ EV_SIGNAL, wl);	3861	cb (EV_A_ EV_SIGNAL, wl);
3677	wl = wn;	3862	wl = wn;
3678	}	3863	}
		3864	#endif
3679		3865
		3866	#if EV_CHILD_ENABLE
3680	if (types & EV_CHILD)	3867	if (types & EV_CHILD)
3681	for (i = EV_PID_HASHSIZE; i--; )	3868	for (i = (EV_PID_HASHSIZE); i--; )
3682	for (wl = childs [i]; wl; )	3869	for (wl = childs [i]; wl; )
3683	{	3870	{
3684	wn = wl->next;	3871	wn = wl->next;
3685	cb (EV_A_ EV_CHILD, wl);	3872	cb (EV_A_ EV_CHILD, wl);
3686	wl = wn;	3873	wl = wn;
3687	}	3874	}
		3875	#endif
3688	/* EV_STAT 0x00001000 /* stat data changed */	3876	/* EV_STAT 0x00001000 /* stat data changed */
3689	/* EV_EMBED 0x00010000 /* embedded event loop needs sweep */	3877	/* EV_EMBED 0x00010000 /* embedded event loop needs sweep */
3690	}	3878	}
3691	#endif	3879	#endif
3692		3880
3693	#if EV_MULTIPLICITY	3881	#if EV_MULTIPLICITY
3694	#include "ev_wrap.h"	3882	#include "ev_wrap.h"
3695	#endif	3883	#endif
3696		3884
3697	#ifdef __cplusplus	3885	EV_CPP(})
3698	}
3699	#endif
3700		3886

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