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Comparing libev/ev.c (file contents):
Revision 1.306 by root, Sun Jul 19 06:35:25 2009 UTC vs.
Revision 1.351 by root, Sat Oct 16 06:46:55 2010 UTC

1	/*	1	/*
2	* libev event processing core, watcher management	2	* libev event processing core, watcher management
3	*	3	*
4	* Copyright (c) 2007,2008,2009 Marc Alexander Lehmann <libev@schmorp.de>	4	* Copyright (c) 2007,2008,2009,2010 Marc Alexander Lehmann <libev@schmorp.de>
5	* All rights reserved.	5	* All rights reserved.
6	*	6	*
7	* Redistribution and use in source and binary forms, with or without modifica-	7	* Redistribution and use in source and binary forms, with or without modifica-
8	* tion, are permitted provided that the following conditions are met:	8	* tion, are permitted provided that the following conditions are met:
9	*	9	*
…		…
77	# ifndef EV_USE_REALTIME	77	# ifndef EV_USE_REALTIME
78	# define EV_USE_REALTIME 0	78	# define EV_USE_REALTIME 0
79	# endif	79	# endif
80	# endif	80	# endif
81		81
		82	# if HAVE_NANOSLEEP
82	# ifndef EV_USE_NANOSLEEP	83	# ifndef EV_USE_NANOSLEEP
83	# if HAVE_NANOSLEEP
84	# define EV_USE_NANOSLEEP 1	84	# define EV_USE_NANOSLEEP EV_FEATURE_OS
		85	# endif
85	# else	86	# else
		87	# undef EV_USE_NANOSLEEP
86	# define EV_USE_NANOSLEEP 0	88	# define EV_USE_NANOSLEEP 0
		89	# endif
		90
		91	# if HAVE_SELECT && HAVE_SYS_SELECT_H
		92	# ifndef EV_USE_SELECT
		93	# define EV_USE_SELECT EV_FEATURE_BACKENDS
87	# endif	94	# endif
		95	# else
		96	# undef EV_USE_SELECT
		97	# define EV_USE_SELECT 0
88	# endif	98	# endif
89		99
		100	# if HAVE_POLL && HAVE_POLL_H
90	# ifndef EV_USE_SELECT	101	# ifndef EV_USE_POLL
91	# if HAVE_SELECT && HAVE_SYS_SELECT_H	102	# define EV_USE_POLL EV_FEATURE_BACKENDS
92	# define EV_USE_SELECT 1
93	# else
94	# define EV_USE_SELECT 0
95	# endif	103	# endif
96	# endif
97
98	# ifndef EV_USE_POLL
99	# if HAVE_POLL && HAVE_POLL_H
100	# define EV_USE_POLL 1
101	# else	104	# else
		105	# undef EV_USE_POLL
102	# define EV_USE_POLL 0	106	# define EV_USE_POLL 0
103	# endif
104	# endif	107	# endif
105		108
106	# ifndef EV_USE_EPOLL
107	# if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H	109	# if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H
108	# define EV_USE_EPOLL 1	110	# ifndef EV_USE_EPOLL
109	# else	111	# define EV_USE_EPOLL EV_FEATURE_BACKENDS
110	# define EV_USE_EPOLL 0
111	# endif	112	# endif
		113	# else
		114	# undef EV_USE_EPOLL
		115	# define EV_USE_EPOLL 0
112	# endif	116	# endif
113		117
		118	# if HAVE_KQUEUE && HAVE_SYS_EVENT_H
114	# ifndef EV_USE_KQUEUE	119	# ifndef EV_USE_KQUEUE
115	# if HAVE_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H	120	# define EV_USE_KQUEUE EV_FEATURE_BACKENDS
116	# define EV_USE_KQUEUE 1
117	# else
118	# define EV_USE_KQUEUE 0
119	# endif	121	# endif
		122	# else
		123	# undef EV_USE_KQUEUE
		124	# define EV_USE_KQUEUE 0
120	# endif	125	# endif
121		126
122	# ifndef EV_USE_PORT
123	# if HAVE_PORT_H && HAVE_PORT_CREATE	127	# if HAVE_PORT_H && HAVE_PORT_CREATE
124	# define EV_USE_PORT 1	128	# ifndef EV_USE_PORT
125	# else	129	# define EV_USE_PORT EV_FEATURE_BACKENDS
126	# define EV_USE_PORT 0
127	# endif	130	# endif
		131	# else
		132	# undef EV_USE_PORT
		133	# define EV_USE_PORT 0
128	# endif	134	# endif
129		135
130	# ifndef EV_USE_INOTIFY
131	# if HAVE_INOTIFY_INIT && HAVE_SYS_INOTIFY_H	136	# if HAVE_INOTIFY_INIT && HAVE_SYS_INOTIFY_H
132	# define EV_USE_INOTIFY 1	137	# ifndef EV_USE_INOTIFY
133	# else
134	# define EV_USE_INOTIFY 0	138	# define EV_USE_INOTIFY EV_FEATURE_OS
135	# endif	139	# endif
		140	# else
		141	# undef EV_USE_INOTIFY
		142	# define EV_USE_INOTIFY 0
136	# endif	143	# endif
137		144
138	# ifndef EV_USE_SIGNALFD
139	# if HAVE_SIGNALFD && HAVE_SYS_SIGNALFD_H	145	# if HAVE_SIGNALFD && HAVE_SYS_SIGNALFD_H
140	# define EV_USE_SIGNALFD 1	146	# ifndef EV_USE_SIGNALFD
141	# else
142	# define EV_USE_SIGNALFD 0	147	# define EV_USE_SIGNALFD EV_FEATURE_OS
143	# endif	148	# endif
		149	# else
		150	# undef EV_USE_SIGNALFD
		151	# define EV_USE_SIGNALFD 0
144	# endif	152	# endif
145		153
		154	# if HAVE_EVENTFD
146	# ifndef EV_USE_EVENTFD	155	# ifndef EV_USE_EVENTFD
147	# if HAVE_EVENTFD
148	# define EV_USE_EVENTFD 1	156	# define EV_USE_EVENTFD EV_FEATURE_OS
149	# else
150	# define EV_USE_EVENTFD 0
151	# endif	157	# endif
		158	# else
		159	# undef EV_USE_EVENTFD
		160	# define EV_USE_EVENTFD 0
152	# endif	161	# endif
153		162
154	#endif	163	#endif
155		164
156	#include <math.h>	165	#include <math.h>
157	#include <stdlib.h>	166	#include <stdlib.h>
		167	#include <string.h>
158	#include <fcntl.h>	168	#include <fcntl.h>
159	#include <stddef.h>	169	#include <stddef.h>
160		170
161	#include <stdio.h>	171	#include <stdio.h>
162		172
163	#include <assert.h>	173	#include <assert.h>
164	#include <errno.h>	174	#include <errno.h>
165	#include <sys/types.h>	175	#include <sys/types.h>
166	#include <time.h>	176	#include <time.h>
		177	#include <limits.h>
167		178
168	#include <signal.h>	179	#include <signal.h>
169		180
170	#ifdef EV_H	181	#ifdef EV_H
171	# include EV_H	182	# include EV_H
…		…
182	# define WIN32_LEAN_AND_MEAN	193	# define WIN32_LEAN_AND_MEAN
183	# include <windows.h>	194	# include <windows.h>
184	# ifndef EV_SELECT_IS_WINSOCKET	195	# ifndef EV_SELECT_IS_WINSOCKET
185	# define EV_SELECT_IS_WINSOCKET 1	196	# define EV_SELECT_IS_WINSOCKET 1
186	# endif	197	# endif
		198	# undef EV_AVOID_STDIO
187	#endif	199	#endif
		200
		201	/* OS X, in its infinite idiocy, actually HARDCODES
		202	* a limit of 1024 into their select. Where people have brains,
		203	* OS X engineers apparently have a vacuum. Or maybe they were
		204	* ordered to have a vacuum, or they do anything for money.
		205	* This might help. Or not.
		206	*/
		207	#define _DARWIN_UNLIMITED_SELECT 1
188		208
189	/* this block tries to deduce configuration from header-defined symbols and defaults */	209	/* this block tries to deduce configuration from header-defined symbols and defaults */
190		210
191	/* try to deduce the maximum number of signals on this platform */	211	/* try to deduce the maximum number of signals on this platform */
192	/* one some platforms, NSIG is one too large. we do not bother */
193	#if defined (EV_NSIG)	212	#if defined (EV_NSIG)
194	/* use what's provided */	213	/* use what's provided */
195	#elif defined (NSIG)	214	#elif defined (NSIG)
196	# define EV_NSIG (NSIG)	215	# define EV_NSIG (NSIG)
197	#elif defined(_NSIG)	216	#elif defined(_NSIG)
…		…
205	#elif defined (MAXSIG)	224	#elif defined (MAXSIG)
206	# define EV_NSIG (MAXSIG+1)	225	# define EV_NSIG (MAXSIG+1)
207	#elif defined (MAX_SIG)	226	#elif defined (MAX_SIG)
208	# define EV_NSIG (MAX_SIG+1)	227	# define EV_NSIG (MAX_SIG+1)
209	#elif defined (SIGARRAYSIZE)	228	#elif defined (SIGARRAYSIZE)
210	# define EV_NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */	229	# define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */
211	#elif defined (_sys_nsig)	230	#elif defined (_sys_nsig)
212	# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */	231	# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */
213	#else	232	#else
214	# error "unable to find value for NSIG, please report"	233	# error "unable to find value for NSIG, please report"
215	/* to make it compile regardless, just remove the above line */	234	/* to make it compile regardless, just remove the above line, */
		235	/* but consider reporting it, too! :) */
216	# define EV_NSIG 65	236	# define EV_NSIG 65
217	#endif	237	#endif
218		238
219	#ifndef EV_USE_CLOCK_SYSCALL	239	#ifndef EV_USE_CLOCK_SYSCALL
220	# if __linux && __GLIBC__ >= 2	240	# if __linux && __GLIBC__ >= 2
221	# define EV_USE_CLOCK_SYSCALL 1	241	# define EV_USE_CLOCK_SYSCALL EV_FEATURE_OS
222	# else	242	# else
223	# define EV_USE_CLOCK_SYSCALL 0	243	# define EV_USE_CLOCK_SYSCALL 0
224	# endif	244	# endif
225	#endif	245	#endif
226		246
227	#ifndef EV_USE_MONOTONIC	247	#ifndef EV_USE_MONOTONIC
228	# if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0	248	# if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0
229	# define EV_USE_MONOTONIC 1	249	# define EV_USE_MONOTONIC EV_FEATURE_OS
230	# else	250	# else
231	# define EV_USE_MONOTONIC 0	251	# define EV_USE_MONOTONIC 0
232	# endif	252	# endif
233	#endif	253	#endif
234		254
…		…
236	# define EV_USE_REALTIME !EV_USE_CLOCK_SYSCALL	256	# define EV_USE_REALTIME !EV_USE_CLOCK_SYSCALL
237	#endif	257	#endif
238		258
239	#ifndef EV_USE_NANOSLEEP	259	#ifndef EV_USE_NANOSLEEP
240	# if _POSIX_C_SOURCE >= 199309L	260	# if _POSIX_C_SOURCE >= 199309L
241	# define EV_USE_NANOSLEEP 1	261	# define EV_USE_NANOSLEEP EV_FEATURE_OS
242	# else	262	# else
243	# define EV_USE_NANOSLEEP 0	263	# define EV_USE_NANOSLEEP 0
244	# endif	264	# endif
245	#endif	265	#endif
246		266
247	#ifndef EV_USE_SELECT	267	#ifndef EV_USE_SELECT
248	# define EV_USE_SELECT 1	268	# define EV_USE_SELECT EV_FEATURE_BACKENDS
249	#endif	269	#endif
250		270
251	#ifndef EV_USE_POLL	271	#ifndef EV_USE_POLL
252	# ifdef _WIN32	272	# ifdef _WIN32
253	# define EV_USE_POLL 0	273	# define EV_USE_POLL 0
254	# else	274	# else
255	# define EV_USE_POLL 1	275	# define EV_USE_POLL EV_FEATURE_BACKENDS
256	# endif	276	# endif
257	#endif	277	#endif
258		278
259	#ifndef EV_USE_EPOLL	279	#ifndef EV_USE_EPOLL
260	# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))	280	# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))
261	# define EV_USE_EPOLL 1	281	# define EV_USE_EPOLL EV_FEATURE_BACKENDS
262	# else	282	# else
263	# define EV_USE_EPOLL 0	283	# define EV_USE_EPOLL 0
264	# endif	284	# endif
265	#endif	285	#endif
266		286
…		…
272	# define EV_USE_PORT 0	292	# define EV_USE_PORT 0
273	#endif	293	#endif
274		294
275	#ifndef EV_USE_INOTIFY	295	#ifndef EV_USE_INOTIFY
276	# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))	296	# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))
277	# define EV_USE_INOTIFY 1	297	# define EV_USE_INOTIFY EV_FEATURE_OS
278	# else	298	# else
279	# define EV_USE_INOTIFY 0	299	# define EV_USE_INOTIFY 0
280	# endif	300	# endif
281	#endif	301	#endif
282		302
283	#ifndef EV_PID_HASHSIZE	303	#ifndef EV_PID_HASHSIZE
284	# if EV_MINIMAL	304	# 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	305	#endif
290		306
291	#ifndef EV_INOTIFY_HASHSIZE	307	#ifndef EV_INOTIFY_HASHSIZE
292	# if EV_MINIMAL	308	# 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	309	#endif
298		310
299	#ifndef EV_USE_EVENTFD	311	#ifndef EV_USE_EVENTFD
300	# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7))	312	# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7))
301	# define EV_USE_EVENTFD 1	313	# define EV_USE_EVENTFD EV_FEATURE_OS
302	# else	314	# else
303	# define EV_USE_EVENTFD 0	315	# define EV_USE_EVENTFD 0
304	# endif	316	# endif
305	#endif	317	#endif
306		318
307	#ifndef EV_USE_SIGNALFD	319	#ifndef EV_USE_SIGNALFD
308	# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 9))	320	# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7))
309	# define EV_USE_SIGNALFD 1	321	# define EV_USE_SIGNALFD EV_FEATURE_OS
310	# else	322	# else
311	# define EV_USE_SIGNALFD 0	323	# define EV_USE_SIGNALFD 0
312	# endif	324	# endif
313	#endif	325	#endif
314		326
…		…
317	# define EV_USE_4HEAP 1	329	# define EV_USE_4HEAP 1
318	# define EV_HEAP_CACHE_AT 1	330	# define EV_HEAP_CACHE_AT 1
319	#endif	331	#endif
320		332
321	#ifndef EV_VERIFY	333	#ifndef EV_VERIFY
322	# define EV_VERIFY !EV_MINIMAL	334	# define EV_VERIFY (EV_FEATURE_API ? 1 : 0)
323	#endif	335	#endif
324		336
325	#ifndef EV_USE_4HEAP	337	#ifndef EV_USE_4HEAP
326	# define EV_USE_4HEAP !EV_MINIMAL	338	# define EV_USE_4HEAP EV_FEATURE_DATA
327	#endif	339	#endif
328		340
329	#ifndef EV_HEAP_CACHE_AT	341	#ifndef EV_HEAP_CACHE_AT
330	# define EV_HEAP_CACHE_AT !EV_MINIMAL	342	# define EV_HEAP_CACHE_AT EV_FEATURE_DATA
331	#endif	343	#endif
332		344
333	/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */	345	/* 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. */	346	/* which makes programs even slower. might work on other unices, too. */
335	#if EV_USE_CLOCK_SYSCALL	347	#if EV_USE_CLOCK_SYSCALL
…		…
344	# endif	356	# endif
345	#endif	357	#endif
346		358
347	/* this block fixes any misconfiguration where we know we run into trouble otherwise */	359	/* this block fixes any misconfiguration where we know we run into trouble otherwise */
348		360
		361	#ifdef _AIX
		362	/* AIX has a completely broken poll.h header */
		363	# undef EV_USE_POLL
		364	# define EV_USE_POLL 0
		365	#endif
		366
349	#ifndef CLOCK_MONOTONIC	367	#ifndef CLOCK_MONOTONIC
350	# undef EV_USE_MONOTONIC	368	# undef EV_USE_MONOTONIC
351	# define EV_USE_MONOTONIC 0	369	# define EV_USE_MONOTONIC 0
352	#endif	370	#endif
353		371
…		…
387	# include <stdint.h>	405	# include <stdint.h>
388	# ifndef EFD_NONBLOCK	406	# ifndef EFD_NONBLOCK
389	# define EFD_NONBLOCK O_NONBLOCK	407	# define EFD_NONBLOCK O_NONBLOCK
390	# endif	408	# endif
391	# ifndef EFD_CLOEXEC	409	# ifndef EFD_CLOEXEC
		410	# ifdef O_CLOEXEC
392	# define EFD_CLOEXEC O_CLOEXEC	411	# define EFD_CLOEXEC O_CLOEXEC
		412	# else
		413	# define EFD_CLOEXEC 02000000
		414	# endif
393	# endif	415	# endif
394	# ifdef __cplusplus	416	# ifdef __cplusplus
395	extern "C" {	417	extern "C" {
396	# endif	418	# endif
397	int eventfd (unsigned int initval, int flags);	419	int (eventfd) (unsigned int initval, int flags);
398	# ifdef __cplusplus	420	# ifdef __cplusplus
399	}	421	}
400	# endif	422	# endif
401	#endif	423	#endif
402		424
403	#if EV_USE_SIGNALFD	425	#if EV_USE_SIGNALFD
404	# include <sys/signalfd.h>	426	/* our minimum requirement is glibc 2.7 which has the stub, but not the header */
		427	# include <stdint.h>
		428	# ifndef SFD_NONBLOCK
		429	# define SFD_NONBLOCK O_NONBLOCK
		430	# endif
		431	# ifndef SFD_CLOEXEC
		432	# ifdef O_CLOEXEC
		433	# define SFD_CLOEXEC O_CLOEXEC
		434	# else
		435	# define SFD_CLOEXEC 02000000
		436	# endif
		437	# endif
		438	# ifdef __cplusplus
		439	extern "C" {
		440	# endif
		441	int signalfd (int fd, const sigset_t *mask, int flags);
		442
		443	struct signalfd_siginfo
		444	{
		445	uint32_t ssi_signo;
		446	char pad[128 - sizeof (uint32_t)];
		447	};
		448	# ifdef __cplusplus
		449	}
		450	# endif
405	#endif	451	#endif
406		452
407	/**/	453	/**/
408		454
409	#if EV_VERIFY >= 3	455	#if EV_VERIFY >= 3
410	# define EV_FREQUENT_CHECK ev_loop_verify (EV_A)	456	# define EV_FREQUENT_CHECK ev_verify (EV_A)
411	#else	457	#else
412	# define EV_FREQUENT_CHECK do { } while (0)	458	# define EV_FREQUENT_CHECK do { } while (0)
413	#endif	459	#endif
414		460
415	/*	461	/*
…		…
422	*/	468	*/
423	#define TIME_EPSILON 0.0001220703125 /* 1/8192 */	469	#define TIME_EPSILON 0.0001220703125 /* 1/8192 */
424		470
425	#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */	471	#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */
426	#define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */	472	#define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */
427	/*#define CLEANUP_INTERVAL (MAX_BLOCKTIME * 5.) /* how often to try to free memory and re-check fds, TODO */	473
		474	#define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } while (0)
		475	#define EV_TS_SET(ts,t) do { ts.tv_sec = (long)t; ts.tv_nsec = (long)((t - ts.tv_sec) * 1e9); } while (0)
428		476
429	#if __GNUC__ >= 4	477	#if __GNUC__ >= 4
430	# define expect(expr,value) __builtin_expect ((expr),(value))	478	# define expect(expr,value) __builtin_expect ((expr),(value))
431	# define noinline __attribute__ ((noinline))	479	# define noinline __attribute__ ((noinline))
432	#else	480	#else
…		…
439		487
440	#define expect_false(expr) expect ((expr) != 0, 0)	488	#define expect_false(expr) expect ((expr) != 0, 0)
441	#define expect_true(expr) expect ((expr) != 0, 1)	489	#define expect_true(expr) expect ((expr) != 0, 1)
442	#define inline_size static inline	490	#define inline_size static inline
443		491
444	#if EV_MINIMAL	492	#if EV_FEATURE_CODE
		493	# define inline_speed static inline
		494	#else
445	# define inline_speed static noinline	495	# define inline_speed static noinline
446	#else
447	# define inline_speed static inline
448	#endif	496	#endif
449		497
450	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)	498	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
451		499
452	#if EV_MINPRI == EV_MAXPRI	500	#if EV_MINPRI == EV_MAXPRI
…		…
465	#define ev_active(w) ((W)(w))->active	513	#define ev_active(w) ((W)(w))->active
466	#define ev_at(w) ((WT)(w))->at	514	#define ev_at(w) ((WT)(w))->at
467		515
468	#if EV_USE_REALTIME	516	#if EV_USE_REALTIME
469	/* sig_atomic_t is used to avoid per-thread variables or locking but still */	517	/* sig_atomic_t is used to avoid per-thread variables or locking but still */
470	/* giving it a reasonably high chance of working on typical architetcures */	518	/* giving it a reasonably high chance of working on typical architectures */
471	static EV_ATOMIC_T have_realtime; /* did clock_gettime (CLOCK_REALTIME) work? */	519	static EV_ATOMIC_T have_realtime; /* did clock_gettime (CLOCK_REALTIME) work? */
472	#endif	520	#endif
473		521
474	#if EV_USE_MONOTONIC	522	#if EV_USE_MONOTONIC
475	static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */	523	static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */
476	#endif	524	#endif
477		525
		526	#ifndef EV_FD_TO_WIN32_HANDLE
		527	# define EV_FD_TO_WIN32_HANDLE(fd) _get_osfhandle (fd)
		528	#endif
		529	#ifndef EV_WIN32_HANDLE_TO_FD
		530	# define EV_WIN32_HANDLE_TO_FD(handle) _open_osfhandle (handle, 0)
		531	#endif
		532	#ifndef EV_WIN32_CLOSE_FD
		533	# define EV_WIN32_CLOSE_FD(fd) close (fd)
		534	#endif
		535
478	#ifdef _WIN32	536	#ifdef _WIN32
479	# include "ev_win32.c"	537	# include "ev_win32.c"
480	#endif	538	#endif
481		539
482	/*****************************************************************************/	540	/*****************************************************************************/
		541
		542	#if EV_AVOID_STDIO
		543	static void noinline
		544	ev_printerr (const char *msg)
		545	{
		546	write (STDERR_FILENO, msg, strlen (msg));
		547	}
		548	#endif
483		549
484	static void (*syserr_cb)(const char *msg);	550	static void (*syserr_cb)(const char *msg);
485		551
486	void	552	void
487	ev_set_syserr_cb (void (*cb)(const char *msg))	553	ev_set_syserr_cb (void (*cb)(const char *msg))
…		…
497		563
498	if (syserr_cb)	564	if (syserr_cb)
499	syserr_cb (msg);	565	syserr_cb (msg);
500	else	566	else
501	{	567	{
		568	#if EV_AVOID_STDIO
		569	const char *err = strerror (errno);
		570
		571	ev_printerr (msg);
		572	ev_printerr (": ");
		573	ev_printerr (err);
		574	ev_printerr ("\n");
		575	#else
502	perror (msg);	576	perror (msg);
		577	#endif
503	abort ();	578	abort ();
504	}	579	}
505	}	580	}
506		581
507	static void *	582	static void *
508	ev_realloc_emul (void *ptr, long size)	583	ev_realloc_emul (void *ptr, long size)
509	{	584	{
		585	#if __GLIBC__
		586	return realloc (ptr, size);
		587	#else
510	/* some systems, notably openbsd and darwin, fail to properly	588	/* some systems, notably openbsd and darwin, fail to properly
511	* implement realloc (x, 0) (as required by both ansi c-98 and	589	* implement realloc (x, 0) (as required by both ansi c-89 and
512	* the single unix specification, so work around them here.	590	* the single unix specification, so work around them here.
513	*/	591	*/
514		592
515	if (size)	593	if (size)
516	return realloc (ptr, size);	594	return realloc (ptr, size);
517		595
518	free (ptr);	596	free (ptr);
519	return 0;	597	return 0;
		598	#endif
520	}	599	}
521		600
522	static void *(*alloc)(void *ptr, long size) = ev_realloc_emul;	601	static void *(*alloc)(void *ptr, long size) = ev_realloc_emul;
523		602
524	void	603	void
…		…
532	{	611	{
533	ptr = alloc (ptr, size);	612	ptr = alloc (ptr, size);
534		613
535	if (!ptr && size)	614	if (!ptr && size)
536	{	615	{
		616	#if EV_AVOID_STDIO
		617	ev_printerr ("libev: memory allocation failed, aborting.\n");
		618	#else
537	fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size);	619	fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size);
		620	#endif
538	abort ();	621	abort ();
539	}	622	}
540		623
541	return ptr;	624	return ptr;
542	}	625	}
…		…
624		707
625	static int ev_default_loop_ptr;	708	static int ev_default_loop_ptr;
626		709
627	#endif	710	#endif
628		711
629	#if EV_MINIMAL < 2	712	#if EV_FEATURE_API
630	# define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A)	713	# define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A)
631	# define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A)	714	# define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A)
632	# define EV_INVOKE_PENDING invoke_cb (EV_A)	715	# define EV_INVOKE_PENDING invoke_cb (EV_A)
633	#else	716	#else
634	# define EV_RELEASE_CB (void)0	717	# define EV_RELEASE_CB (void)0
…		…
688	if (delay > 0.)	771	if (delay > 0.)
689	{	772	{
690	#if EV_USE_NANOSLEEP	773	#if EV_USE_NANOSLEEP
691	struct timespec ts;	774	struct timespec ts;
692		775
693	ts.tv_sec = (time_t)delay;	776	EV_TS_SET (ts, delay);
694	ts.tv_nsec = (long)((delay - (ev_tstamp)(ts.tv_sec)) * 1e9);
695
696	nanosleep (&ts, 0);	777	nanosleep (&ts, 0);
697	#elif defined(_WIN32)	778	#elif defined(_WIN32)
698	Sleep ((unsigned long)(delay * 1e3));	779	Sleep ((unsigned long)(delay * 1e3));
699	#else	780	#else
700	struct timeval tv;	781	struct timeval tv;
701		782
702	tv.tv_sec = (time_t)delay;
703	tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6);
704
705	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */	783	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */
706	/* something not guaranteed by newer posix versions, but guaranteed */	784	/* something not guaranteed by newer posix versions, but guaranteed */
707	/* by older ones */	785	/* by older ones */
		786	EV_TV_SET (tv, delay);
708	select (0, 0, 0, 0, &tv);	787	select (0, 0, 0, 0, &tv);
709	#endif	788	#endif
710	}	789	}
711	}	790	}
712		791
713	/*****************************************************************************/	792	/*****************************************************************************/
714		793
715	#define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */	794	#define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */
716		795
717	/* find a suitable new size for the given array, */	796	/* find a suitable new size for the given array, */
718	/* hopefully by rounding to a ncie-to-malloc size */	797	/* hopefully by rounding to a nice-to-malloc size */
719	inline_size int	798	inline_size int
720	array_nextsize (int elem, int cur, int cnt)	799	array_nextsize (int elem, int cur, int cnt)
721	{	800	{
722	int ncur = cur + 1;	801	int ncur = cur + 1;
723		802
…		…
819	}	898	}
820		899
821	/*****************************************************************************/	900	/*****************************************************************************/
822		901
823	inline_speed void	902	inline_speed void
824	fd_event_nc (EV_P_ int fd, int revents)	903	fd_event_nocheck (EV_P_ int fd, int revents)
825	{	904	{
826	ANFD *anfd = anfds + fd;	905	ANFD *anfd = anfds + fd;
827	ev_io *w;	906	ev_io *w;
828		907
829	for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next)	908	for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next)
…		…
841	fd_event (EV_P_ int fd, int revents)	920	fd_event (EV_P_ int fd, int revents)
842	{	921	{
843	ANFD *anfd = anfds + fd;	922	ANFD *anfd = anfds + fd;
844		923
845	if (expect_true (!anfd->reify))	924	if (expect_true (!anfd->reify))
846	fd_event_nc (EV_A_ fd, revents);	925	fd_event_nocheck (EV_A_ fd, revents);
847	}	926	}
848		927
849	void	928	void
850	ev_feed_fd_event (EV_P_ int fd, int revents)	929	ev_feed_fd_event (EV_P_ int fd, int revents)
851	{	930	{
852	if (fd >= 0 && fd < anfdmax)	931	if (fd >= 0 && fd < anfdmax)
853	fd_event_nc (EV_A_ fd, revents);	932	fd_event_nocheck (EV_A_ fd, revents);
854	}	933	}
855		934
856	/* make sure the external fd watch events are in-sync */	935	/* make sure the external fd watch events are in-sync */
857	/* with the kernel/libev internal state */	936	/* with the kernel/libev internal state */
858	inline_size void	937	inline_size void
…		…
864	{	943	{
865	int fd = fdchanges [i];	944	int fd = fdchanges [i];
866	ANFD *anfd = anfds + fd;	945	ANFD *anfd = anfds + fd;
867	ev_io *w;	946	ev_io *w;
868		947
869	unsigned char events = 0;	948	unsigned char o_events = anfd->events;
		949	unsigned char o_reify = anfd->reify;
870		950
871	for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next)	951	anfd->reify = 0;
872	events |= (unsigned char)w->events;
873		952
874	#if EV_SELECT_IS_WINSOCKET	953	#if EV_SELECT_IS_WINSOCKET
875	if (events)	954	if (o_reify & EV__IOFDSET)
876	{	955	{
877	unsigned long arg;	956	unsigned long arg;
878	#ifdef EV_FD_TO_WIN32_HANDLE
879	anfd->handle = EV_FD_TO_WIN32_HANDLE (fd);	957	anfd->handle = EV_FD_TO_WIN32_HANDLE (fd);
880	#else
881	anfd->handle = _get_osfhandle (fd);
882	#endif
883	assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0));	958	assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0));
884	}	959	}
885	#endif	960	#endif
886		961
		962	/*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */
887	{	963	{
888	unsigned char o_events = anfd->events;
889	unsigned char o_reify = anfd->reify;
890
891	anfd->reify = 0;
892	anfd->events = events;	964	anfd->events = 0;
893		965
894	if (o_events != events || o_reify & EV__IOFDSET)	966	for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next)
		967	anfd->events |= (unsigned char)w->events;
		968
		969	if (o_events != anfd->events)
		970	o_reify = EV__IOFDSET; /* actually |= */
		971	}
		972
		973	if (o_reify & EV__IOFDSET)
895	backend_modify (EV_A_ fd, o_events, events);	974	backend_modify (EV_A_ fd, o_events, anfd->events);
896	}
897	}	975	}
898		976
899	fdchangecnt = 0;	977	fdchangecnt = 0;
900	}	978	}
901		979
…		…
925	ev_io_stop (EV_A_ w);	1003	ev_io_stop (EV_A_ w);
926	ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE);	1004	ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE);
927	}	1005	}
928	}	1006	}
929		1007
930	/* check whether the given fd is atcually valid, for error recovery */	1008	/* check whether the given fd is actually valid, for error recovery */
931	inline_size int	1009	inline_size int
932	fd_valid (int fd)	1010	fd_valid (int fd)
933	{	1011	{
934	#ifdef _WIN32	1012	#ifdef _WIN32
935	return _get_osfhandle (fd) != -1;	1013	return EV_FD_TO_WIN32_HANDLE (fd) != -1;
936	#else	1014	#else
937	return fcntl (fd, F_GETFD) != -1;	1015	return fcntl (fd, F_GETFD) != -1;
938	#endif	1016	#endif
939	}	1017	}
940		1018
…		…
958		1036
959	for (fd = anfdmax; fd--; )	1037	for (fd = anfdmax; fd--; )
960	if (anfds [fd].events)	1038	if (anfds [fd].events)
961	{	1039	{
962	fd_kill (EV_A_ fd);	1040	fd_kill (EV_A_ fd);
963	return;	1041	break;
964	}	1042	}
965	}	1043	}
966		1044
967	/* usually called after fork if backend needs to re-arm all fds from scratch */	1045	/* usually called after fork if backend needs to re-arm all fds from scratch */
968	static void noinline	1046	static void noinline
…		…
977	anfds [fd].emask = 0;	1055	anfds [fd].emask = 0;
978	fd_change (EV_A_ fd, EV__IOFDSET | EV_ANFD_REIFY);	1056	fd_change (EV_A_ fd, EV__IOFDSET | EV_ANFD_REIFY);
979	}	1057	}
980	}	1058	}
981		1059
		1060	/* used to prepare libev internal fd's */
		1061	/* this is not fork-safe */
		1062	inline_speed void
		1063	fd_intern (int fd)
		1064	{
		1065	#ifdef _WIN32
		1066	unsigned long arg = 1;
		1067	ioctlsocket (EV_FD_TO_WIN32_HANDLE (fd), FIONBIO, &arg);
		1068	#else
		1069	fcntl (fd, F_SETFD, FD_CLOEXEC);
		1070	fcntl (fd, F_SETFL, O_NONBLOCK);
		1071	#endif
		1072	}
		1073
982	/*****************************************************************************/	1074	/*****************************************************************************/
983		1075
984	/*	1076	/*
985	* the heap functions want a real array index. array index 0 uis guaranteed to not	1077	* the heap functions want a real array index. array index 0 is guaranteed to not
986	* be in-use at any time. the first heap entry is at array [HEAP0]. DHEAP gives	1078	* be in-use at any time. the first heap entry is at array [HEAP0]. DHEAP gives
987	* the branching factor of the d-tree.	1079	* the branching factor of the d-tree.
988	*/	1080	*/
989		1081
990	/*	1082	/*
…		…
1058		1150
1059	for (;;)	1151	for (;;)
1060	{	1152	{
1061	int c = k << 1;	1153	int c = k << 1;
1062		1154
1063	if (c > N + HEAP0 - 1)	1155	if (c >= N + HEAP0)
1064	break;	1156	break;
1065		1157
1066	c += c + 1 < N + HEAP0 && ANHE_at (heap [c]) > ANHE_at (heap [c + 1])	1158	c += c + 1 < N + HEAP0 && ANHE_at (heap [c]) > ANHE_at (heap [c + 1])
1067	? 1 : 0;	1159	? 1 : 0;
1068		1160
…		…
1104		1196
1105	/* move an element suitably so it is in a correct place */	1197	/* move an element suitably so it is in a correct place */
1106	inline_size void	1198	inline_size void
1107	adjustheap (ANHE *heap, int N, int k)	1199	adjustheap (ANHE *heap, int N, int k)
1108	{	1200	{
1109	if (k > HEAP0 && ANHE_at (heap [HPARENT (k)]) >= ANHE_at (heap [k]))	1201	if (k > HEAP0 && ANHE_at (heap [k]) <= ANHE_at (heap [HPARENT (k)]))
1110	upheap (heap, k);	1202	upheap (heap, k);
1111	else	1203	else
1112	downheap (heap, N, k);	1204	downheap (heap, N, k);
1113	}	1205	}
1114		1206
…		…
1127	/*****************************************************************************/	1219	/*****************************************************************************/
1128		1220
1129	/* associate signal watchers to a signal signal */	1221	/* associate signal watchers to a signal signal */
1130	typedef struct	1222	typedef struct
1131	{	1223	{
		1224	EV_ATOMIC_T pending;
1132	#if EV_MULTIPLICITY	1225	#if EV_MULTIPLICITY
1133	EV_P;	1226	EV_P;
1134	#endif	1227	#endif
1135	WL head;	1228	WL head;
1136	EV_ATOMIC_T gotsig;
1137	} ANSIG;	1229	} ANSIG;
1138		1230
1139	static ANSIG signals [EV_NSIG - 1];	1231	static ANSIG signals [EV_NSIG - 1];
1140	static EV_ATOMIC_T gotsig;
1141		1232
1142	/*****************************************************************************/	1233	/*****************************************************************************/
1143		1234
1144	/* used to prepare libev internal fd's */	1235	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
1145	/* this is not fork-safe */
1146	inline_speed void
1147	fd_intern (int fd)
1148	{
1149	#ifdef _WIN32
1150	unsigned long arg = 1;
1151	ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg);
1152	#else
1153	fcntl (fd, F_SETFD, FD_CLOEXEC);
1154	fcntl (fd, F_SETFL, O_NONBLOCK);
1155	#endif
1156	}
1157		1236
1158	static void noinline	1237	static void noinline
1159	evpipe_init (EV_P)	1238	evpipe_init (EV_P)
1160	{	1239	{
1161	if (!ev_is_active (&pipe_w))	1240	if (!ev_is_active (&pipe_w))
1162	{	1241	{
1163	#if EV_USE_EVENTFD	1242	# if EV_USE_EVENTFD
1164	evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC);	1243	evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC);
1165	if (evfd < 0 && errno == EINVAL)	1244	if (evfd < 0 && errno == EINVAL)
1166	evfd = eventfd (0, 0);	1245	evfd = eventfd (0, 0);
1167		1246
1168	if (evfd >= 0)	1247	if (evfd >= 0)
…		…
1170	evpipe [0] = -1;	1249	evpipe [0] = -1;
1171	fd_intern (evfd); /* doing it twice doesn't hurt */	1250	fd_intern (evfd); /* doing it twice doesn't hurt */
1172	ev_io_set (&pipe_w, evfd, EV_READ);	1251	ev_io_set (&pipe_w, evfd, EV_READ);
1173	}	1252	}
1174	else	1253	else
1175	#endif	1254	# endif
1176	{	1255	{
1177	while (pipe (evpipe))	1256	while (pipe (evpipe))
1178	ev_syserr ("(libev) error creating signal/async pipe");	1257	ev_syserr ("(libev) error creating signal/async pipe");
1179		1258
1180	fd_intern (evpipe [0]);	1259	fd_intern (evpipe [0]);
…		…
1191	evpipe_write (EV_P_ EV_ATOMIC_T *flag)	1270	evpipe_write (EV_P_ EV_ATOMIC_T *flag)
1192	{	1271	{
1193	if (!*flag)	1272	if (!*flag)
1194	{	1273	{
1195	int old_errno = errno; /* save errno because write might clobber it */	1274	int old_errno = errno; /* save errno because write might clobber it */
		1275	char dummy;
1196		1276
1197	*flag = 1;	1277	*flag = 1;
1198		1278
1199	#if EV_USE_EVENTFD	1279	#if EV_USE_EVENTFD
1200	if (evfd >= 0)	1280	if (evfd >= 0)
…		…
1202	uint64_t counter = 1;	1282	uint64_t counter = 1;
1203	write (evfd, &counter, sizeof (uint64_t));	1283	write (evfd, &counter, sizeof (uint64_t));
1204	}	1284	}
1205	else	1285	else
1206	#endif	1286	#endif
		1287	/* win32 people keep sending patches that change this write() to send() */
		1288	/* and then run away. but send() is wrong, it wants a socket handle on win32 */
		1289	/* so when you think this write should be a send instead, please find out */
		1290	/* where your send() is from - it's definitely not the microsoft send, and */
		1291	/* tell me. thank you. */
1207	write (evpipe [1], &old_errno, 1);	1292	write (evpipe [1], &dummy, 1);
1208		1293
1209	errno = old_errno;	1294	errno = old_errno;
1210	}	1295	}
1211	}	1296	}
1212		1297
1213	/* called whenever the libev signal pipe */	1298	/* called whenever the libev signal pipe */
1214	/* got some events (signal, async) */	1299	/* got some events (signal, async) */
1215	static void	1300	static void
1216	pipecb (EV_P_ ev_io *iow, int revents)	1301	pipecb (EV_P_ ev_io *iow, int revents)
1217	{	1302	{
		1303	int i;
		1304
1218	#if EV_USE_EVENTFD	1305	#if EV_USE_EVENTFD
1219	if (evfd >= 0)	1306	if (evfd >= 0)
1220	{	1307	{
1221	uint64_t counter;	1308	uint64_t counter;
1222	read (evfd, &counter, sizeof (uint64_t));	1309	read (evfd, &counter, sizeof (uint64_t));
1223	}	1310	}
1224	else	1311	else
1225	#endif	1312	#endif
1226	{	1313	{
1227	char dummy;	1314	char dummy;
		1315	/* see discussion in evpipe_write when you think this read should be recv in win32 */
1228	read (evpipe [0], &dummy, 1);	1316	read (evpipe [0], &dummy, 1);
1229	}	1317	}
1230		1318
1231	if (gotsig && ev_is_default_loop (EV_A))	1319	if (sig_pending)
1232	{	1320	{
1233	int signum;	1321	sig_pending = 0;
1234	gotsig = 0;
1235		1322
1236	for (signum = EV_NSIG - 1; signum--; )	1323	for (i = EV_NSIG - 1; i--; )
1237	if (signals [signum].gotsig)	1324	if (expect_false (signals [i].pending))
1238	ev_feed_signal_event (EV_A_ signum + 1);	1325	ev_feed_signal_event (EV_A_ i + 1);
1239	}	1326	}
1240		1327
1241	#if EV_ASYNC_ENABLE	1328	#if EV_ASYNC_ENABLE
1242	if (gotasync)	1329	if (async_pending)
1243	{	1330	{
1244	int i;	1331	async_pending = 0;
1245	gotasync = 0;
1246		1332
1247	for (i = asynccnt; i--; )	1333	for (i = asynccnt; i--; )
1248	if (asyncs [i]->sent)	1334	if (asyncs [i]->sent)
1249	{	1335	{
1250	asyncs [i]->sent = 0;	1336	asyncs [i]->sent = 0;
…		…
1261	{	1347	{
1262	#if EV_MULTIPLICITY	1348	#if EV_MULTIPLICITY
1263	EV_P = signals [signum - 1].loop;	1349	EV_P = signals [signum - 1].loop;
1264	#endif	1350	#endif
1265		1351
1266	#if _WIN32	1352	#ifdef _WIN32
1267	signal (signum, ev_sighandler);	1353	signal (signum, ev_sighandler);
1268	#endif	1354	#endif
1269		1355
1270	signals [signum - 1].gotsig = 1;	1356	signals [signum - 1].pending = 1;
1271	evpipe_write (EV_A_ &gotsig);	1357	evpipe_write (EV_A_ &sig_pending);
1272	}	1358	}
1273		1359
1274	void noinline	1360	void noinline
1275	ev_feed_signal_event (EV_P_ int signum)	1361	ev_feed_signal_event (EV_P_ int signum)
1276	{	1362	{
1277	WL w;	1363	WL w;
1278		1364
		1365	if (expect_false (signum <= 0 || signum > EV_NSIG))
		1366	return;
		1367
		1368	--signum;
		1369
1279	#if EV_MULTIPLICITY	1370	#if EV_MULTIPLICITY
1280	assert (("libev: feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr));	1371	/* it is permissible to try to feed a signal to the wrong loop */
1281	#endif	1372	/* or, likely more useful, feeding a signal nobody is waiting for */
1282		1373
1283	if (signum <= 0 || signum > EV_NSIG)	1374	if (expect_false (signals [signum].loop != EV_A))
1284	return;	1375	return;
		1376	#endif
1285		1377
1286	--signum;
1287
1288	signals [signum].gotsig = 0;	1378	signals [signum].pending = 0;
1289		1379
1290	for (w = signals [signum].head; w; w = w->next)	1380	for (w = signals [signum].head; w; w = w->next)
1291	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);	1381	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);
1292	}	1382	}
1293		1383
…		…
1309	break;	1399	break;
1310	}	1400	}
1311	}	1401	}
1312	#endif	1402	#endif
1313		1403
		1404	#endif
		1405
1314	/*****************************************************************************/	1406	/*****************************************************************************/
1315		1407
		1408	#if EV_CHILD_ENABLE
1316	static WL childs [EV_PID_HASHSIZE];	1409	static WL childs [EV_PID_HASHSIZE];
1317
1318	#ifndef _WIN32
1319		1410
1320	static ev_signal childev;	1411	static ev_signal childev;
1321		1412
1322	#ifndef WIFCONTINUED	1413	#ifndef WIFCONTINUED
1323	# define WIFCONTINUED(status) 0	1414	# define WIFCONTINUED(status) 0
…		…
1328	child_reap (EV_P_ int chain, int pid, int status)	1419	child_reap (EV_P_ int chain, int pid, int status)
1329	{	1420	{
1330	ev_child *w;	1421	ev_child *w;
1331	int traced = WIFSTOPPED (status) || WIFCONTINUED (status);	1422	int traced = WIFSTOPPED (status) || WIFCONTINUED (status);
1332		1423
1333	for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next)	1424	for (w = (ev_child *)childs [chain & ((EV_PID_HASHSIZE) - 1)]; w; w = (ev_child *)((WL)w)->next)
1334	{	1425	{
1335	if ((w->pid == pid || !w->pid)	1426	if ((w->pid == pid || !w->pid)
1336	&& (!traced || (w->flags & 1)))	1427	&& (!traced || (w->flags & 1)))
1337	{	1428	{
1338	ev_set_priority (w, EV_MAXPRI); /* need to do it *now*, this *must* be the same prio as the signal watcher itself */	1429	ev_set_priority (w, EV_MAXPRI); /* need to do it *now*, this *must* be the same prio as the signal watcher itself */
…		…
1363	/* make sure we are called again until all children have been reaped */	1454	/* make sure we are called again until all children have been reaped */
1364	/* we need to do it this way so that the callback gets called before we continue */	1455	/* we need to do it this way so that the callback gets called before we continue */
1365	ev_feed_event (EV_A_ (W)sw, EV_SIGNAL);	1456	ev_feed_event (EV_A_ (W)sw, EV_SIGNAL);
1366		1457
1367	child_reap (EV_A_ pid, pid, status);	1458	child_reap (EV_A_ pid, pid, status);
1368	if (EV_PID_HASHSIZE > 1)	1459	if ((EV_PID_HASHSIZE) > 1)
1369	child_reap (EV_A_ 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */	1460	child_reap (EV_A_ 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */
1370	}	1461	}
1371		1462
1372	#endif	1463	#endif
1373		1464
…		…
1440	#ifdef __APPLE__	1531	#ifdef __APPLE__
1441	/* only select works correctly on that "unix-certified" platform */	1532	/* only select works correctly on that "unix-certified" platform */
1442	flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */	1533	flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */
1443	flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */	1534	flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */
1444	#endif	1535	#endif
		1536	#ifdef __FreeBSD__
		1537	flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */
		1538	#endif
1445		1539
1446	return flags;	1540	return flags;
1447	}	1541	}
1448		1542
1449	unsigned int	1543	unsigned int
…		…
1462	ev_backend (EV_P)	1556	ev_backend (EV_P)
1463	{	1557	{
1464	return backend;	1558	return backend;
1465	}	1559	}
1466		1560
1467	#if EV_MINIMAL < 2	1561	#if EV_FEATURE_API
1468	unsigned int	1562	unsigned int
1469	ev_loop_count (EV_P)	1563	ev_iteration (EV_P)
1470	{	1564	{
1471	return loop_count;	1565	return loop_count;
1472	}	1566	}
1473		1567
1474	unsigned int	1568	unsigned int
1475	ev_loop_depth (EV_P)	1569	ev_depth (EV_P)
1476	{	1570	{
1477	return loop_depth;	1571	return loop_depth;
1478	}	1572	}
1479		1573
1480	void	1574	void
…		…
1552		1646
1553	ev_rt_now = ev_time ();	1647	ev_rt_now = ev_time ();
1554	mn_now = get_clock ();	1648	mn_now = get_clock ();
1555	now_floor = mn_now;	1649	now_floor = mn_now;
1556	rtmn_diff = ev_rt_now - mn_now;	1650	rtmn_diff = ev_rt_now - mn_now;
1557	#if EV_MINIMAL < 2	1651	#if EV_FEATURE_API
1558	invoke_cb = ev_invoke_pending;	1652	invoke_cb = ev_invoke_pending;
1559	#endif	1653	#endif
1560		1654
1561	io_blocktime = 0.;	1655	io_blocktime = 0.;
1562	timeout_blocktime = 0.;	1656	timeout_blocktime = 0.;
1563	backend = 0;	1657	backend = 0;
1564	backend_fd = -1;	1658	backend_fd = -1;
1565	gotasync = 0;	1659	sig_pending = 0;
		1660	#if EV_ASYNC_ENABLE
		1661	async_pending = 0;
		1662	#endif
1566	#if EV_USE_INOTIFY	1663	#if EV_USE_INOTIFY
1567	fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;	1664	fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;
1568	#endif	1665	#endif
1569	#if EV_USE_SIGNALFD	1666	#if EV_USE_SIGNALFD
1570	sigfd = flags & EVFLAG_NOSIGFD ? -1 : -2;	1667	sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;
1571	#endif	1668	#endif
1572		1669
1573	if (!(flags & 0x0000ffffU))	1670	if (!(flags & 0x0000ffffU))
1574	flags |= ev_recommended_backends ();	1671	flags |= ev_recommended_backends ();
1575		1672
…		…
1589	if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags);	1686	if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags);
1590	#endif	1687	#endif
1591		1688
1592	ev_prepare_init (&pending_w, pendingcb);	1689	ev_prepare_init (&pending_w, pendingcb);
1593		1690
		1691	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
1594	ev_init (&pipe_w, pipecb);	1692	ev_init (&pipe_w, pipecb);
1595	ev_set_priority (&pipe_w, EV_MAXPRI);	1693	ev_set_priority (&pipe_w, EV_MAXPRI);
		1694	#endif
1596	}	1695	}
1597	}	1696	}
1598		1697
1599	/* free up a loop structure */	1698	/* free up a loop structure */
1600	static void noinline	1699	static void noinline
…		…
1612	close (evfd);	1711	close (evfd);
1613	#endif	1712	#endif
1614		1713
1615	if (evpipe [0] >= 0)	1714	if (evpipe [0] >= 0)
1616	{	1715	{
1617	close (evpipe [0]);	1716	EV_WIN32_CLOSE_FD (evpipe [0]);
1618	close (evpipe [1]);	1717	EV_WIN32_CLOSE_FD (evpipe [1]);
1619	}	1718	}
1620	}	1719	}
1621		1720
1622	#if EV_USE_SIGNALFD	1721	#if EV_USE_SIGNALFD
1623	if (ev_is_active (&sigfd_w))	1722	if (ev_is_active (&sigfd_w))
1624	{
1625	/*ev_ref (EV_A);*/
1626	/*ev_io_stop (EV_A_ &sigfd_w);*/
1627
1628	close (sigfd);	1723	close (sigfd);
1629	}
1630	#endif	1724	#endif
1631		1725
1632	#if EV_USE_INOTIFY	1726	#if EV_USE_INOTIFY
1633	if (fs_fd >= 0)	1727	if (fs_fd >= 0)
1634	close (fs_fd);	1728	close (fs_fd);
…		…
1704		1798
1705	if (ev_is_active (&pipe_w))	1799	if (ev_is_active (&pipe_w))
1706	{	1800	{
1707	/* this "locks" the handlers against writing to the pipe */	1801	/* this "locks" the handlers against writing to the pipe */
1708	/* while we modify the fd vars */	1802	/* while we modify the fd vars */
1709	gotsig = 1;	1803	sig_pending = 1;
1710	#if EV_ASYNC_ENABLE	1804	#if EV_ASYNC_ENABLE
1711	gotasync = 1;	1805	async_pending = 1;
1712	#endif	1806	#endif
1713		1807
1714	ev_ref (EV_A);	1808	ev_ref (EV_A);
1715	ev_io_stop (EV_A_ &pipe_w);	1809	ev_io_stop (EV_A_ &pipe_w);
1716		1810
…		…
1719	close (evfd);	1813	close (evfd);
1720	#endif	1814	#endif
1721		1815
1722	if (evpipe [0] >= 0)	1816	if (evpipe [0] >= 0)
1723	{	1817	{
1724	close (evpipe [0]);	1818	EV_WIN32_CLOSE_FD (evpipe [0]);
1725	close (evpipe [1]);	1819	EV_WIN32_CLOSE_FD (evpipe [1]);
1726	}	1820	}
1727		1821
		1822	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
1728	evpipe_init (EV_A);	1823	evpipe_init (EV_A);
1729	/* now iterate over everything, in case we missed something */	1824	/* now iterate over everything, in case we missed something */
1730	pipecb (EV_A_ &pipe_w, EV_READ);	1825	pipecb (EV_A_ &pipe_w, EV_READ);
		1826	#endif
1731	}	1827	}
1732		1828
1733	postfork = 0;	1829	postfork = 0;
1734	}	1830	}
1735		1831
…		…
1797	verify_watcher (EV_A_ ws [cnt]);	1893	verify_watcher (EV_A_ ws [cnt]);
1798	}	1894	}
1799	}	1895	}
1800	#endif	1896	#endif
1801		1897
1802	#if EV_MINIMAL < 2	1898	#if EV_FEATURE_API
1803	void	1899	void
1804	ev_loop_verify (EV_P)	1900	ev_verify (EV_P)
1805	{	1901	{
1806	#if EV_VERIFY	1902	#if EV_VERIFY
1807	int i;	1903	int i;
1808	WL w;	1904	WL w;
1809		1905
…		…
1848	#if EV_ASYNC_ENABLE	1944	#if EV_ASYNC_ENABLE
1849	assert (asyncmax >= asynccnt);	1945	assert (asyncmax >= asynccnt);
1850	array_verify (EV_A_ (W *)asyncs, asynccnt);	1946	array_verify (EV_A_ (W *)asyncs, asynccnt);
1851	#endif	1947	#endif
1852		1948
		1949	#if EV_PREPARE_ENABLE
1853	assert (preparemax >= preparecnt);	1950	assert (preparemax >= preparecnt);
1854	array_verify (EV_A_ (W *)prepares, preparecnt);	1951	array_verify (EV_A_ (W *)prepares, preparecnt);
		1952	#endif
1855		1953
		1954	#if EV_CHECK_ENABLE
1856	assert (checkmax >= checkcnt);	1955	assert (checkmax >= checkcnt);
1857	array_verify (EV_A_ (W *)checks, checkcnt);	1956	array_verify (EV_A_ (W *)checks, checkcnt);
		1957	#endif
1858		1958
1859	# if 0	1959	# if 0
		1960	#if EV_CHILD_ENABLE
1860	for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next)	1961	for (w = (ev_child *)childs [chain & ((EV_PID_HASHSIZE) - 1)]; w; w = (ev_child *)((WL)w)->next)
1861	for (signum = EV_NSIG; signum--; ) if (signals [signum].gotsig)	1962	for (signum = EV_NSIG; signum--; ) if (signals [signum].pending)
		1963	#endif
1862	# endif	1964	# endif
1863	#endif	1965	#endif
1864	}	1966	}
1865	#endif	1967	#endif
1866		1968
…		…
1882		1984
1883	loop_init (EV_A_ flags);	1985	loop_init (EV_A_ flags);
1884		1986
1885	if (ev_backend (EV_A))	1987	if (ev_backend (EV_A))
1886	{	1988	{
1887	#ifndef _WIN32	1989	#if EV_CHILD_ENABLE
1888	ev_signal_init (&childev, childcb, SIGCHLD);	1990	ev_signal_init (&childev, childcb, SIGCHLD);
1889	ev_set_priority (&childev, EV_MAXPRI);	1991	ev_set_priority (&childev, EV_MAXPRI);
1890	ev_signal_start (EV_A_ &childev);	1992	ev_signal_start (EV_A_ &childev);
1891	ev_unref (EV_A); /* child watcher should not keep loop alive */	1993	ev_unref (EV_A); /* child watcher should not keep loop alive */
1892	#endif	1994	#endif
…		…
1905	EV_P = ev_default_loop_ptr;	2007	EV_P = ev_default_loop_ptr;
1906	#endif	2008	#endif
1907		2009
1908	ev_default_loop_ptr = 0;	2010	ev_default_loop_ptr = 0;
1909		2011
1910	#ifndef _WIN32	2012	#if EV_CHILD_ENABLE
1911	ev_ref (EV_A); /* child watcher */	2013	ev_ref (EV_A); /* child watcher */
1912	ev_signal_stop (EV_A_ &childev);	2014	ev_signal_stop (EV_A_ &childev);
1913	#endif	2015	#endif
1914		2016
1915	loop_destroy (EV_A);	2017	loop_destroy (EV_A);
…		…
2021	EV_FREQUENT_CHECK;	2123	EV_FREQUENT_CHECK;
2022	feed_reverse (EV_A_ (W)w);	2124	feed_reverse (EV_A_ (W)w);
2023	}	2125	}
2024	while (timercnt && ANHE_at (timers [HEAP0]) < mn_now);	2126	while (timercnt && ANHE_at (timers [HEAP0]) < mn_now);
2025		2127
2026	feed_reverse_done (EV_A_ EV_TIMEOUT);	2128	feed_reverse_done (EV_A_ EV_TIMER);
2027	}	2129	}
2028	}	2130	}
2029		2131
2030	#if EV_PERIODIC_ENABLE	2132	#if EV_PERIODIC_ENABLE
2031	/* make periodics pending */	2133	/* make periodics pending */
…		…
2084	feed_reverse_done (EV_A_ EV_PERIODIC);	2186	feed_reverse_done (EV_A_ EV_PERIODIC);
2085	}	2187	}
2086	}	2188	}
2087		2189
2088	/* simply recalculate all periodics */	2190	/* simply recalculate all periodics */
2089	/* TODO: maybe ensure that at leats one event happens when jumping forward? */	2191	/* TODO: maybe ensure that at least one event happens when jumping forward? */
2090	static void noinline	2192	static void noinline
2091	periodics_reschedule (EV_P)	2193	periodics_reschedule (EV_P)
2092	{	2194	{
2093	int i;	2195	int i;
2094		2196
…		…
2122	ANHE_at_cache (*he);	2224	ANHE_at_cache (*he);
2123	}	2225	}
2124	}	2226	}
2125		2227
2126	/* fetch new monotonic and realtime times from the kernel */	2228	/* fetch new monotonic and realtime times from the kernel */
2127	/* also detetc if there was a timejump, and act accordingly */	2229	/* also detect if there was a timejump, and act accordingly */
2128	inline_speed void	2230	inline_speed void
2129	time_update (EV_P_ ev_tstamp max_block)	2231	time_update (EV_P_ ev_tstamp max_block)
2130	{	2232	{
2131	#if EV_USE_MONOTONIC	2233	#if EV_USE_MONOTONIC
2132	if (expect_true (have_monotonic))	2234	if (expect_true (have_monotonic))
…		…
2192	}	2294	}
2193		2295
2194	void	2296	void
2195	ev_loop (EV_P_ int flags)	2297	ev_loop (EV_P_ int flags)
2196	{	2298	{
2197	#if EV_MINIMAL < 2	2299	#if EV_FEATURE_API
2198	++loop_depth;	2300	++loop_depth;
2199	#endif	2301	#endif
2200		2302
2201	assert (("libev: ev_loop recursion during release detected", loop_done != EVUNLOOP_RECURSE));	2303	assert (("libev: ev_loop recursion during release detected", loop_done != EVUNLOOP_RECURSE));
2202		2304
…		…
2205	EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */	2307	EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */
2206		2308
2207	do	2309	do
2208	{	2310	{
2209	#if EV_VERIFY >= 2	2311	#if EV_VERIFY >= 2
2210	ev_loop_verify (EV_A);	2312	ev_verify (EV_A);
2211	#endif	2313	#endif
2212		2314
2213	#ifndef _WIN32	2315	#ifndef _WIN32
2214	if (expect_false (curpid)) /* penalise the forking check even more */	2316	if (expect_false (curpid)) /* penalise the forking check even more */
2215	if (expect_false (getpid () != curpid))	2317	if (expect_false (getpid () != curpid))
…		…
2227	queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);	2329	queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);
2228	EV_INVOKE_PENDING;	2330	EV_INVOKE_PENDING;
2229	}	2331	}
2230	#endif	2332	#endif
2231		2333
		2334	#if EV_PREPARE_ENABLE
2232	/* queue prepare watchers (and execute them) */	2335	/* queue prepare watchers (and execute them) */
2233	if (expect_false (preparecnt))	2336	if (expect_false (preparecnt))
2234	{	2337	{
2235	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);	2338	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
2236	EV_INVOKE_PENDING;	2339	EV_INVOKE_PENDING;
2237	}	2340	}
		2341	#endif
2238		2342
2239	if (expect_false (loop_done))	2343	if (expect_false (loop_done))
2240	break;	2344	break;
2241		2345
2242	/* we might have forked, so reify kernel state if necessary */	2346	/* we might have forked, so reify kernel state if necessary */
…		…
2293	waittime -= sleeptime;	2397	waittime -= sleeptime;
2294	}	2398	}
2295	}	2399	}
2296	}	2400	}
2297		2401
2298	#if EV_MINIMAL < 2	2402	#if EV_FEATURE_API
2299	++loop_count;	2403	++loop_count;
2300	#endif	2404	#endif
2301	assert ((loop_done = EVUNLOOP_RECURSE, 1)); /* assert for side effect */	2405	assert ((loop_done = EVUNLOOP_RECURSE, 1)); /* assert for side effect */
2302	backend_poll (EV_A_ waittime);	2406	backend_poll (EV_A_ waittime);
2303	assert ((loop_done = EVUNLOOP_CANCEL, 1)); /* assert for side effect */	2407	assert ((loop_done = EVUNLOOP_CANCEL, 1)); /* assert for side effect */
…		…
2315	#if EV_IDLE_ENABLE	2419	#if EV_IDLE_ENABLE
2316	/* queue idle watchers unless other events are pending */	2420	/* queue idle watchers unless other events are pending */
2317	idle_reify (EV_A);	2421	idle_reify (EV_A);
2318	#endif	2422	#endif
2319		2423
		2424	#if EV_CHECK_ENABLE
2320	/* queue check watchers, to be executed first */	2425	/* queue check watchers, to be executed first */
2321	if (expect_false (checkcnt))	2426	if (expect_false (checkcnt))
2322	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);	2427	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
		2428	#endif
2323		2429
2324	EV_INVOKE_PENDING;	2430	EV_INVOKE_PENDING;
2325	}	2431	}
2326	while (expect_true (	2432	while (expect_true (
2327	activecnt	2433	activecnt
…		…
2330	));	2436	));
2331		2437
2332	if (loop_done == EVUNLOOP_ONE)	2438	if (loop_done == EVUNLOOP_ONE)
2333	loop_done = EVUNLOOP_CANCEL;	2439	loop_done = EVUNLOOP_CANCEL;
2334		2440
2335	#if EV_MINIMAL < 2	2441	#if EV_FEATURE_API
2336	--loop_depth;	2442	--loop_depth;
2337	#endif	2443	#endif
2338	}	2444	}
2339		2445
2340	void	2446	void
…		…
2393	inline_size void	2499	inline_size void
2394	wlist_del (WL *head, WL elem)	2500	wlist_del (WL *head, WL elem)
2395	{	2501	{
2396	while (*head)	2502	while (*head)
2397	{	2503	{
2398	if (*head == elem)	2504	if (expect_true (*head == elem))
2399	{	2505	{
2400	*head = elem->next;	2506	*head = elem->next;
2401	return;	2507	break;
2402	}	2508	}
2403		2509
2404	head = &(*head)->next;	2510	head = &(*head)->next;
2405	}	2511	}
2406	}	2512	}
…		…
2466		2572
2467	if (expect_false (ev_is_active (w)))	2573	if (expect_false (ev_is_active (w)))
2468	return;	2574	return;
2469		2575
2470	assert (("libev: ev_io_start called with negative fd", fd >= 0));	2576	assert (("libev: ev_io_start called with negative fd", fd >= 0));
2471	assert (("libev: ev_io start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE))));	2577	assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE))));
2472		2578
2473	EV_FREQUENT_CHECK;	2579	EV_FREQUENT_CHECK;
2474		2580
2475	ev_start (EV_A_ (W)w, 1);	2581	ev_start (EV_A_ (W)w, 1);
2476	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);	2582	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);
…		…
2494	EV_FREQUENT_CHECK;	2600	EV_FREQUENT_CHECK;
2495		2601
2496	wlist_del (&anfds[w->fd].head, (WL)w);	2602	wlist_del (&anfds[w->fd].head, (WL)w);
2497	ev_stop (EV_A_ (W)w);	2603	ev_stop (EV_A_ (W)w);
2498		2604
2499	fd_change (EV_A_ w->fd, 1);	2605	fd_change (EV_A_ w->fd, EV_ANFD_REIFY);
2500		2606
2501	EV_FREQUENT_CHECK;	2607	EV_FREQUENT_CHECK;
2502	}	2608	}
2503		2609
2504	void noinline	2610	void noinline
…		…
2546	timers [active] = timers [timercnt + HEAP0];	2652	timers [active] = timers [timercnt + HEAP0];
2547	adjustheap (timers, timercnt, active);	2653	adjustheap (timers, timercnt, active);
2548	}	2654	}
2549	}	2655	}
2550		2656
2551	EV_FREQUENT_CHECK;
2552
2553	ev_at (w) -= mn_now;	2657	ev_at (w) -= mn_now;
2554		2658
2555	ev_stop (EV_A_ (W)w);	2659	ev_stop (EV_A_ (W)w);
		2660
		2661	EV_FREQUENT_CHECK;
2556	}	2662	}
2557		2663
2558	void noinline	2664	void noinline
2559	ev_timer_again (EV_P_ ev_timer *w)	2665	ev_timer_again (EV_P_ ev_timer *w)
2560	{	2666	{
…		…
2639	periodics [active] = periodics [periodiccnt + HEAP0];	2745	periodics [active] = periodics [periodiccnt + HEAP0];
2640	adjustheap (periodics, periodiccnt, active);	2746	adjustheap (periodics, periodiccnt, active);
2641	}	2747	}
2642	}	2748	}
2643		2749
2644	EV_FREQUENT_CHECK;
2645
2646	ev_stop (EV_A_ (W)w);	2750	ev_stop (EV_A_ (W)w);
		2751
		2752	EV_FREQUENT_CHECK;
2647	}	2753	}
2648		2754
2649	void noinline	2755	void noinline
2650	ev_periodic_again (EV_P_ ev_periodic *w)	2756	ev_periodic_again (EV_P_ ev_periodic *w)
2651	{	2757	{
…		…
2657		2763
2658	#ifndef SA_RESTART	2764	#ifndef SA_RESTART
2659	# define SA_RESTART 0	2765	# define SA_RESTART 0
2660	#endif	2766	#endif
2661		2767
		2768	#if EV_SIGNAL_ENABLE
		2769
2662	void noinline	2770	void noinline
2663	ev_signal_start (EV_P_ ev_signal *w)	2771	ev_signal_start (EV_P_ ev_signal *w)
2664	{	2772	{
2665	if (expect_false (ev_is_active (w)))	2773	if (expect_false (ev_is_active (w)))
2666	return;	2774	return;
2667		2775
2668	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));	2776	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));
2669		2777
2670	#if EV_MULTIPLICITY	2778	#if EV_MULTIPLICITY
2671	assert (("libev: tried to attach to a signal from two different loops",	2779	assert (("libev: a signal must not be attached to two different loops",
2672	!signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop));	2780	!signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop));
2673		2781
2674	signals [w->signum - 1].loop = EV_A;	2782	signals [w->signum - 1].loop = EV_A;
2675	#endif	2783	#endif
2676		2784
…		…
2712	if (!((WL)w)->next)	2820	if (!((WL)w)->next)
2713	# if EV_USE_SIGNALFD	2821	# if EV_USE_SIGNALFD
2714	if (sigfd < 0) /*TODO*/	2822	if (sigfd < 0) /*TODO*/
2715	# endif	2823	# endif
2716	{	2824	{
2717	# if _WIN32	2825	# ifdef _WIN32
		2826	evpipe_init (EV_A);
		2827
2718	signal (w->signum, ev_sighandler);	2828	signal (w->signum, ev_sighandler);
2719	# else	2829	# else
2720	struct sigaction sa;	2830	struct sigaction sa;
2721		2831
2722	evpipe_init (EV_A);	2832	evpipe_init (EV_A);
…		…
2747	wlist_del (&signals [w->signum - 1].head, (WL)w);	2857	wlist_del (&signals [w->signum - 1].head, (WL)w);
2748	ev_stop (EV_A_ (W)w);	2858	ev_stop (EV_A_ (W)w);
2749		2859
2750	if (!signals [w->signum - 1].head)	2860	if (!signals [w->signum - 1].head)
2751	{	2861	{
2752	#if EV_MULTIPLICITY	2862	#if EV_MULTIPLICITY
2753	signals [w->signum - 1].loop = 0; /* unattach from signal */	2863	signals [w->signum - 1].loop = 0; /* unattach from signal */
2754	#endif	2864	#endif
2755	#if EV_USE_SIGNALFD	2865	#if EV_USE_SIGNALFD
2756	if (sigfd >= 0)	2866	if (sigfd >= 0)
2757	{	2867	{
2758	sigprocmask (SIG_UNBLOCK, &sigfd_set, 0);//D	2868	sigset_t ss;
		2869
		2870	sigemptyset (&ss);
		2871	sigaddset (&ss, w->signum);
2759	sigdelset (&sigfd_set, w->signum);	2872	sigdelset (&sigfd_set, w->signum);
		2873
2760	signalfd (sigfd, &sigfd_set, 0);	2874	signalfd (sigfd, &sigfd_set, 0);
2761	sigprocmask (SIG_BLOCK, &sigfd_set, 0);//D	2875	sigprocmask (SIG_UNBLOCK, &ss, 0);
2762	/*TODO: maybe unblock signal? */
2763	}	2876	}
2764	else	2877	else
2765	#endif	2878	#endif
2766	signal (w->signum, SIG_DFL);	2879	signal (w->signum, SIG_DFL);
2767	}	2880	}
2768		2881
2769	EV_FREQUENT_CHECK;	2882	EV_FREQUENT_CHECK;
2770	}	2883	}
		2884
		2885	#endif
		2886
		2887	#if EV_CHILD_ENABLE
2771		2888
2772	void	2889	void
2773	ev_child_start (EV_P_ ev_child *w)	2890	ev_child_start (EV_P_ ev_child *w)
2774	{	2891	{
2775	#if EV_MULTIPLICITY	2892	#if EV_MULTIPLICITY
…		…
2779	return;	2896	return;
2780		2897
2781	EV_FREQUENT_CHECK;	2898	EV_FREQUENT_CHECK;
2782		2899
2783	ev_start (EV_A_ (W)w, 1);	2900	ev_start (EV_A_ (W)w, 1);
2784	wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);	2901	wlist_add (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w);
2785		2902
2786	EV_FREQUENT_CHECK;	2903	EV_FREQUENT_CHECK;
2787	}	2904	}
2788		2905
2789	void	2906	void
…		…
2793	if (expect_false (!ev_is_active (w)))	2910	if (expect_false (!ev_is_active (w)))
2794	return;	2911	return;
2795		2912
2796	EV_FREQUENT_CHECK;	2913	EV_FREQUENT_CHECK;
2797		2914
2798	wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);	2915	wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w);
2799	ev_stop (EV_A_ (W)w);	2916	ev_stop (EV_A_ (W)w);
2800		2917
2801	EV_FREQUENT_CHECK;	2918	EV_FREQUENT_CHECK;
2802	}	2919	}
		2920
		2921	#endif
2803		2922
2804	#if EV_STAT_ENABLE	2923	#if EV_STAT_ENABLE
2805		2924
2806	# ifdef _WIN32	2925	# ifdef _WIN32
2807	# undef lstat	2926	# undef lstat
…		…
2813	#define MIN_STAT_INTERVAL 0.1074891	2932	#define MIN_STAT_INTERVAL 0.1074891
2814		2933
2815	static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents);	2934	static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents);
2816		2935
2817	#if EV_USE_INOTIFY	2936	#if EV_USE_INOTIFY
2818	# define EV_INOTIFY_BUFSIZE 8192	2937
		2938	/* the * 2 is to allow for alignment padding, which for some reason is >> 8 */
		2939	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)
2819		2940
2820	static void noinline	2941	static void noinline
2821	infy_add (EV_P_ ev_stat *w)	2942	infy_add (EV_P_ ev_stat *w)
2822	{	2943	{
2823	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);	2944	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);
2824		2945
2825	if (w->wd < 0)	2946	if (w->wd >= 0)
		2947	{
		2948	struct statfs sfs;
		2949
		2950	/* now local changes will be tracked by inotify, but remote changes won't */
		2951	/* unless the filesystem is known to be local, we therefore still poll */
		2952	/* also do poll on <2.6.25, but with normal frequency */
		2953
		2954	if (!fs_2625)
		2955	w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;
		2956	else if (!statfs (w->path, &sfs)
		2957	&& (sfs.f_type == 0x1373 /* devfs */
		2958	|| sfs.f_type == 0xEF53 /* ext2/3 */
		2959	|| sfs.f_type == 0x3153464a /* jfs */
		2960	|| sfs.f_type == 0x52654973 /* reiser3 */
		2961	|| sfs.f_type == 0x01021994 /* tempfs */
		2962	|| sfs.f_type == 0x58465342 /* xfs */))
		2963	w->timer.repeat = 0.; /* filesystem is local, kernel new enough */
		2964	else
		2965	w->timer.repeat = w->interval ? w->interval : NFS_STAT_INTERVAL; /* remote, use reduced frequency */
2826	{	2966	}
		2967	else
		2968	{
		2969	/* can't use inotify, continue to stat */
2827	w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;	2970	w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;
2828	ev_timer_again (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */
2829		2971
2830	/* monitor some parent directory for speedup hints */	2972	/* if path is not there, monitor some parent directory for speedup hints */
2831	/* note that exceeding the hardcoded path limit is not a correctness issue, */	2973	/* note that exceeding the hardcoded path limit is not a correctness issue, */
2832	/* but an efficiency issue only */	2974	/* but an efficiency issue only */
2833	if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096)	2975	if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096)
2834	{	2976	{
2835	char path [4096];	2977	char path [4096];
…		…
2851	while (w->wd < 0 && (errno == ENOENT || errno == EACCES));	2993	while (w->wd < 0 && (errno == ENOENT || errno == EACCES));
2852	}	2994	}
2853	}	2995	}
2854		2996
2855	if (w->wd >= 0)	2997	if (w->wd >= 0)
2856	{
2857	wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w);	2998	wlist_add (&fs_hash [w->wd & ((EV_INOTIFY_HASHSIZE) - 1)].head, (WL)w);
2858		2999
2859	/* now local changes will be tracked by inotify, but remote changes won't */	3000	/* now re-arm timer, if required */
2860	/* unless the filesystem it known to be local, we therefore still poll */	3001	if (ev_is_active (&w->timer)) ev_ref (EV_A);
2861	/* also do poll on <2.6.25, but with normal frequency */
2862	struct statfs sfs;
2863
2864	if (fs_2625 && !statfs (w->path, &sfs))
2865	if (sfs.f_type == 0x1373 /* devfs */
2866	|| sfs.f_type == 0xEF53 /* ext2/3 */
2867	|| sfs.f_type == 0x3153464a /* jfs */
2868	|| sfs.f_type == 0x52654973 /* reiser3 */
2869	|| sfs.f_type == 0x01021994 /* tempfs */
2870	|| sfs.f_type == 0x58465342 /* xfs */)
2871	return;
2872
2873	w->timer.repeat = w->interval ? w->interval : fs_2625 ? NFS_STAT_INTERVAL : DEF_STAT_INTERVAL;
2874	ev_timer_again (EV_A_ &w->timer);	3002	ev_timer_again (EV_A_ &w->timer);
2875	}	3003	if (ev_is_active (&w->timer)) ev_unref (EV_A);
2876	}	3004	}
2877		3005
2878	static void noinline	3006	static void noinline
2879	infy_del (EV_P_ ev_stat *w)	3007	infy_del (EV_P_ ev_stat *w)
2880	{	3008	{
…		…
2883		3011
2884	if (wd < 0)	3012	if (wd < 0)
2885	return;	3013	return;
2886		3014
2887	w->wd = -2;	3015	w->wd = -2;
2888	slot = wd & (EV_INOTIFY_HASHSIZE - 1);	3016	slot = wd & ((EV_INOTIFY_HASHSIZE) - 1);
2889	wlist_del (&fs_hash [slot].head, (WL)w);	3017	wlist_del (&fs_hash [slot].head, (WL)w);
2890		3018
2891	/* remove this watcher, if others are watching it, they will rearm */	3019	/* remove this watcher, if others are watching it, they will rearm */
2892	inotify_rm_watch (fs_fd, wd);	3020	inotify_rm_watch (fs_fd, wd);
2893	}	3021	}
…		…
2895	static void noinline	3023	static void noinline
2896	infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)	3024	infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)
2897	{	3025	{
2898	if (slot < 0)	3026	if (slot < 0)
2899	/* overflow, need to check for all hash slots */	3027	/* overflow, need to check for all hash slots */
2900	for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot)	3028	for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)
2901	infy_wd (EV_A_ slot, wd, ev);	3029	infy_wd (EV_A_ slot, wd, ev);
2902	else	3030	else
2903	{	3031	{
2904	WL w_;	3032	WL w_;
2905		3033
2906	for (w_ = fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head; w_; )	3034	for (w_ = fs_hash [slot & ((EV_INOTIFY_HASHSIZE) - 1)].head; w_; )
2907	{	3035	{
2908	ev_stat *w = (ev_stat *)w_;	3036	ev_stat *w = (ev_stat *)w_;
2909	w_ = w_->next; /* lets us remove this watcher and all before it */	3037	w_ = w_->next; /* lets us remove this watcher and all before it */
2910		3038
2911	if (w->wd == wd || wd == -1)	3039	if (w->wd == wd || wd == -1)
2912	{	3040	{
2913	if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF))	3041	if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF))
2914	{	3042	{
2915	wlist_del (&fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w);	3043	wlist_del (&fs_hash [slot & ((EV_INOTIFY_HASHSIZE) - 1)].head, (WL)w);
2916	w->wd = -1;	3044	w->wd = -1;
2917	infy_add (EV_A_ w); /* re-add, no matter what */	3045	infy_add (EV_A_ w); /* re-add, no matter what */
2918	}	3046	}
2919		3047
2920	stat_timer_cb (EV_A_ &w->timer, 0);	3048	stat_timer_cb (EV_A_ &w->timer, 0);
…		…
2925		3053
2926	static void	3054	static void
2927	infy_cb (EV_P_ ev_io *w, int revents)	3055	infy_cb (EV_P_ ev_io *w, int revents)
2928	{	3056	{
2929	char buf [EV_INOTIFY_BUFSIZE];	3057	char buf [EV_INOTIFY_BUFSIZE];
2930	struct inotify_event *ev = (struct inotify_event *)buf;
2931	int ofs;	3058	int ofs;
2932	int len = read (fs_fd, buf, sizeof (buf));	3059	int len = read (fs_fd, buf, sizeof (buf));
2933		3060
2934	for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len)	3061	for (ofs = 0; ofs < len; )
		3062	{
		3063	struct inotify_event *ev = (struct inotify_event *)(buf + ofs);
2935	infy_wd (EV_A_ ev->wd, ev->wd, ev);	3064	infy_wd (EV_A_ ev->wd, ev->wd, ev);
		3065	ofs += sizeof (struct inotify_event) + ev->len;
		3066	}
		3067	}
		3068
		3069	inline_size unsigned int
		3070	ev_linux_version (void)
		3071	{
		3072	struct utsname buf;
		3073	unsigned int v;
		3074	int i;
		3075	char *p = buf.release;
		3076
		3077	if (uname (&buf))
		3078	return 0;
		3079
		3080	for (i = 3+1; --i; )
		3081	{
		3082	unsigned int c = 0;
		3083
		3084	for (;;)
		3085	{
		3086	if (*p >= '0' && *p <= '9')
		3087	c = c * 10 + *p++ - '0';
		3088	else
		3089	{
		3090	p += *p == '.';
		3091	break;
		3092	}
		3093	}
		3094
		3095	v = (v << 8) | c;
		3096	}
		3097
		3098	return v;
2936	}	3099	}
2937		3100
2938	inline_size void	3101	inline_size void
2939	check_2625 (EV_P)	3102	ev_check_2625 (EV_P)
2940	{	3103	{
2941	/* kernels < 2.6.25 are borked	3104	/* kernels < 2.6.25 are borked
2942	* http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html	3105	* http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html
2943	*/	3106	*/
2944	struct utsname buf;	3107	if (ev_linux_version () < 0x020619)
2945	int major, minor, micro;
2946
2947	if (uname (&buf))
2948	return;	3108	return;
2949		3109
2950	if (sscanf (buf.release, "%d.%d.%d", &major, &minor, &micro) != 3)
2951	return;
2952
2953	if (major < 2
2954	|| (major == 2 && minor < 6)
2955	|| (major == 2 && minor == 6 && micro < 25))
2956	return;
2957
2958	fs_2625 = 1;	3110	fs_2625 = 1;
		3111	}
		3112
		3113	inline_size int
		3114	infy_newfd (void)
		3115	{
		3116	#if defined (IN_CLOEXEC) && defined (IN_NONBLOCK)
		3117	int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK);
		3118	if (fd >= 0)
		3119	return fd;
		3120	#endif
		3121	return inotify_init ();
2959	}	3122	}
2960		3123
2961	inline_size void	3124	inline_size void
2962	infy_init (EV_P)	3125	infy_init (EV_P)
2963	{	3126	{
2964	if (fs_fd != -2)	3127	if (fs_fd != -2)
2965	return;	3128	return;
2966		3129
2967	fs_fd = -1;	3130	fs_fd = -1;
2968		3131
2969	check_2625 (EV_A);	3132	ev_check_2625 (EV_A);
2970		3133
2971	fs_fd = inotify_init ();	3134	fs_fd = infy_newfd ();
2972		3135
2973	if (fs_fd >= 0)	3136	if (fs_fd >= 0)
2974	{	3137	{
		3138	fd_intern (fs_fd);
2975	ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ);	3139	ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ);
2976	ev_set_priority (&fs_w, EV_MAXPRI);	3140	ev_set_priority (&fs_w, EV_MAXPRI);
2977	ev_io_start (EV_A_ &fs_w);	3141	ev_io_start (EV_A_ &fs_w);
		3142	ev_unref (EV_A);
2978	}	3143	}
2979	}	3144	}
2980		3145
2981	inline_size void	3146	inline_size void
2982	infy_fork (EV_P)	3147	infy_fork (EV_P)
…		…
2984	int slot;	3149	int slot;
2985		3150
2986	if (fs_fd < 0)	3151	if (fs_fd < 0)
2987	return;	3152	return;
2988		3153
		3154	ev_ref (EV_A);
		3155	ev_io_stop (EV_A_ &fs_w);
2989	close (fs_fd);	3156	close (fs_fd);
2990	fs_fd = inotify_init ();	3157	fs_fd = infy_newfd ();
2991		3158
		3159	if (fs_fd >= 0)
		3160	{
		3161	fd_intern (fs_fd);
		3162	ev_io_set (&fs_w, fs_fd, EV_READ);
		3163	ev_io_start (EV_A_ &fs_w);
		3164	ev_unref (EV_A);
		3165	}
		3166
2992	for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot)	3167	for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)
2993	{	3168	{
2994	WL w_ = fs_hash [slot].head;	3169	WL w_ = fs_hash [slot].head;
2995	fs_hash [slot].head = 0;	3170	fs_hash [slot].head = 0;
2996		3171
2997	while (w_)	3172	while (w_)
…		…
3002	w->wd = -1;	3177	w->wd = -1;
3003		3178
3004	if (fs_fd >= 0)	3179	if (fs_fd >= 0)
3005	infy_add (EV_A_ w); /* re-add, no matter what */	3180	infy_add (EV_A_ w); /* re-add, no matter what */
3006	else	3181	else
		3182	{
		3183	w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;
		3184	if (ev_is_active (&w->timer)) ev_ref (EV_A);
3007	ev_timer_again (EV_A_ &w->timer);	3185	ev_timer_again (EV_A_ &w->timer);
		3186	if (ev_is_active (&w->timer)) ev_unref (EV_A);
		3187	}
3008	}	3188	}
3009	}	3189	}
3010	}	3190	}
3011		3191
3012	#endif	3192	#endif
…		…
3029	static void noinline	3209	static void noinline
3030	stat_timer_cb (EV_P_ ev_timer *w_, int revents)	3210	stat_timer_cb (EV_P_ ev_timer *w_, int revents)
3031	{	3211	{
3032	ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer));	3212	ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer));
3033		3213
3034	/* we copy this here each the time so that */	3214	ev_statdata prev = w->attr;
3035	/* prev has the old value when the callback gets invoked */
3036	w->prev = w->attr;
3037	ev_stat_stat (EV_A_ w);	3215	ev_stat_stat (EV_A_ w);
3038		3216
3039	/* memcmp doesn't work on netbsd, they.... do stuff to their struct stat */	3217	/* memcmp doesn't work on netbsd, they.... do stuff to their struct stat */
3040	if (	3218	if (
3041	w->prev.st_dev != w->attr.st_dev	3219	prev.st_dev != w->attr.st_dev
3042	|| w->prev.st_ino != w->attr.st_ino	3220	|| prev.st_ino != w->attr.st_ino
3043	|| w->prev.st_mode != w->attr.st_mode	3221	|| prev.st_mode != w->attr.st_mode
3044	|| w->prev.st_nlink != w->attr.st_nlink	3222	|| prev.st_nlink != w->attr.st_nlink
3045	|| w->prev.st_uid != w->attr.st_uid	3223	|| prev.st_uid != w->attr.st_uid
3046	|| w->prev.st_gid != w->attr.st_gid	3224	|| prev.st_gid != w->attr.st_gid
3047	|| w->prev.st_rdev != w->attr.st_rdev	3225	|| prev.st_rdev != w->attr.st_rdev
3048	|| w->prev.st_size != w->attr.st_size	3226	|| prev.st_size != w->attr.st_size
3049	|| w->prev.st_atime != w->attr.st_atime	3227	|| prev.st_atime != w->attr.st_atime
3050	|| w->prev.st_mtime != w->attr.st_mtime	3228	|| prev.st_mtime != w->attr.st_mtime
3051	|| w->prev.st_ctime != w->attr.st_ctime	3229	|| prev.st_ctime != w->attr.st_ctime
3052	) {	3230	) {
		3231	/* we only update w->prev on actual differences */
		3232	/* in case we test more often than invoke the callback, */
		3233	/* to ensure that prev is always different to attr */
		3234	w->prev = prev;
		3235
3053	#if EV_USE_INOTIFY	3236	#if EV_USE_INOTIFY
3054	if (fs_fd >= 0)	3237	if (fs_fd >= 0)
3055	{	3238	{
3056	infy_del (EV_A_ w);	3239	infy_del (EV_A_ w);
3057	infy_add (EV_A_ w);	3240	infy_add (EV_A_ w);
…		…
3082		3265
3083	if (fs_fd >= 0)	3266	if (fs_fd >= 0)
3084	infy_add (EV_A_ w);	3267	infy_add (EV_A_ w);
3085	else	3268	else
3086	#endif	3269	#endif
		3270	{
3087	ev_timer_again (EV_A_ &w->timer);	3271	ev_timer_again (EV_A_ &w->timer);
		3272	ev_unref (EV_A);
		3273	}
3088		3274
3089	ev_start (EV_A_ (W)w, 1);	3275	ev_start (EV_A_ (W)w, 1);
3090		3276
3091	EV_FREQUENT_CHECK;	3277	EV_FREQUENT_CHECK;
3092	}	3278	}
…		…
3101	EV_FREQUENT_CHECK;	3287	EV_FREQUENT_CHECK;
3102		3288
3103	#if EV_USE_INOTIFY	3289	#if EV_USE_INOTIFY
3104	infy_del (EV_A_ w);	3290	infy_del (EV_A_ w);
3105	#endif	3291	#endif
		3292
		3293	if (ev_is_active (&w->timer))
		3294	{
		3295	ev_ref (EV_A);
3106	ev_timer_stop (EV_A_ &w->timer);	3296	ev_timer_stop (EV_A_ &w->timer);
		3297	}
3107		3298
3108	ev_stop (EV_A_ (W)w);	3299	ev_stop (EV_A_ (W)w);
3109		3300
3110	EV_FREQUENT_CHECK;	3301	EV_FREQUENT_CHECK;
3111	}	3302	}
…		…
3156		3347
3157	EV_FREQUENT_CHECK;	3348	EV_FREQUENT_CHECK;
3158	}	3349	}
3159	#endif	3350	#endif
3160		3351
		3352	#if EV_PREPARE_ENABLE
3161	void	3353	void
3162	ev_prepare_start (EV_P_ ev_prepare *w)	3354	ev_prepare_start (EV_P_ ev_prepare *w)
3163	{	3355	{
3164	if (expect_false (ev_is_active (w)))	3356	if (expect_false (ev_is_active (w)))
3165	return;	3357	return;
…		…
3191		3383
3192	ev_stop (EV_A_ (W)w);	3384	ev_stop (EV_A_ (W)w);
3193		3385
3194	EV_FREQUENT_CHECK;	3386	EV_FREQUENT_CHECK;
3195	}	3387	}
		3388	#endif
3196		3389
		3390	#if EV_CHECK_ENABLE
3197	void	3391	void
3198	ev_check_start (EV_P_ ev_check *w)	3392	ev_check_start (EV_P_ ev_check *w)
3199	{	3393	{
3200	if (expect_false (ev_is_active (w)))	3394	if (expect_false (ev_is_active (w)))
3201	return;	3395	return;
…		…
3227		3421
3228	ev_stop (EV_A_ (W)w);	3422	ev_stop (EV_A_ (W)w);
3229		3423
3230	EV_FREQUENT_CHECK;	3424	EV_FREQUENT_CHECK;
3231	}	3425	}
		3426	#endif
3232		3427
3233	#if EV_EMBED_ENABLE	3428	#if EV_EMBED_ENABLE
3234	void noinline	3429	void noinline
3235	ev_embed_sweep (EV_P_ ev_embed *w)	3430	ev_embed_sweep (EV_P_ ev_embed *w)
3236	{	3431	{
…		…
3331		3526
3332	ev_io_stop (EV_A_ &w->io);	3527	ev_io_stop (EV_A_ &w->io);
3333	ev_prepare_stop (EV_A_ &w->prepare);	3528	ev_prepare_stop (EV_A_ &w->prepare);
3334	ev_fork_stop (EV_A_ &w->fork);	3529	ev_fork_stop (EV_A_ &w->fork);
3335		3530
		3531	ev_stop (EV_A_ (W)w);
		3532
3336	EV_FREQUENT_CHECK;	3533	EV_FREQUENT_CHECK;
3337	}	3534	}
3338	#endif	3535	#endif
3339		3536
3340	#if EV_FORK_ENABLE	3537	#if EV_FORK_ENABLE
…		…
3416		3613
3417	void	3614	void
3418	ev_async_send (EV_P_ ev_async *w)	3615	ev_async_send (EV_P_ ev_async *w)
3419	{	3616	{
3420	w->sent = 1;	3617	w->sent = 1;
3421	evpipe_write (EV_A_ &gotasync);	3618	evpipe_write (EV_A_ &async_pending);
3422	}	3619	}
3423	#endif	3620	#endif
3424		3621
3425	/*****************************************************************************/	3622	/*****************************************************************************/
3426		3623
…		…
3466	{	3663	{
3467	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));	3664	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));
3468		3665
3469	if (expect_false (!once))	3666	if (expect_false (!once))
3470	{	3667	{
3471	cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg);	3668	cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMER, arg);
3472	return;	3669	return;
3473	}	3670	}
3474		3671
3475	once->cb = cb;	3672	once->cb = cb;
3476	once->arg = arg;	3673	once->arg = arg;
…		…
3563	if (types & EV_ASYNC)	3760	if (types & EV_ASYNC)
3564	for (i = asynccnt; i--; )	3761	for (i = asynccnt; i--; )
3565	cb (EV_A_ EV_ASYNC, asyncs [i]);	3762	cb (EV_A_ EV_ASYNC, asyncs [i]);
3566	#endif	3763	#endif
3567		3764
		3765	#if EV_PREPARE_ENABLE
3568	if (types & EV_PREPARE)	3766	if (types & EV_PREPARE)
3569	for (i = preparecnt; i--; )	3767	for (i = preparecnt; i--; )
3570	#if EV_EMBED_ENABLE	3768	# if EV_EMBED_ENABLE
3571	if (ev_cb (prepares [i]) != embed_prepare_cb)	3769	if (ev_cb (prepares [i]) != embed_prepare_cb)
3572	#endif	3770	# endif
3573	cb (EV_A_ EV_PREPARE, prepares [i]);	3771	cb (EV_A_ EV_PREPARE, prepares [i]);
		3772	#endif
3574		3773
		3774	#if EV_CHECK_ENABLE
3575	if (types & EV_CHECK)	3775	if (types & EV_CHECK)
3576	for (i = checkcnt; i--; )	3776	for (i = checkcnt; i--; )
3577	cb (EV_A_ EV_CHECK, checks [i]);	3777	cb (EV_A_ EV_CHECK, checks [i]);
		3778	#endif
3578		3779
		3780	#if EV_SIGNAL_ENABLE
3579	if (types & EV_SIGNAL)	3781	if (types & EV_SIGNAL)
3580	for (i = 0; i < EV_NSIG - 1; ++i)	3782	for (i = 0; i < EV_NSIG - 1; ++i)
3581	for (wl = signals [i].head; wl; )	3783	for (wl = signals [i].head; wl; )
3582	{	3784	{
3583	wn = wl->next;	3785	wn = wl->next;
3584	cb (EV_A_ EV_SIGNAL, wl);	3786	cb (EV_A_ EV_SIGNAL, wl);
3585	wl = wn;	3787	wl = wn;
3586	}	3788	}
		3789	#endif
3587		3790
		3791	#if EV_CHILD_ENABLE
3588	if (types & EV_CHILD)	3792	if (types & EV_CHILD)
3589	for (i = EV_PID_HASHSIZE; i--; )	3793	for (i = (EV_PID_HASHSIZE); i--; )
3590	for (wl = childs [i]; wl; )	3794	for (wl = childs [i]; wl; )
3591	{	3795	{
3592	wn = wl->next;	3796	wn = wl->next;
3593	cb (EV_A_ EV_CHILD, wl);	3797	cb (EV_A_ EV_CHILD, wl);
3594	wl = wn;	3798	wl = wn;
3595	}	3799	}
		3800	#endif
3596	/* EV_STAT 0x00001000 /* stat data changed */	3801	/* EV_STAT 0x00001000 /* stat data changed */
3597	/* EV_EMBED 0x00010000 /* embedded event loop needs sweep */	3802	/* EV_EMBED 0x00010000 /* embedded event loop needs sweep */
3598	}	3803	}
3599	#endif	3804	#endif
3600		3805

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