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Comparing libev/ev.c (file contents):
Revision 1.312 by root, Wed Aug 12 18:48:17 2009 UTC vs.
Revision 1.356 by root, Fri Oct 22 11:21:52 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	*
…		…
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	# if HAVE_KQUEUE && HAVE_SYS_EVENT_H
114	# ifndef EV_USE_KQUEUE	115	# ifndef EV_USE_KQUEUE
115	# if HAVE_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H	116	# define EV_USE_KQUEUE EV_FEATURE_BACKENDS
116	# define EV_USE_KQUEUE 1
117	# else
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>
157	#include <stdlib.h>	162	#include <stdlib.h>
		163	#include <string.h>
158	#include <fcntl.h>	164	#include <fcntl.h>
159	#include <stddef.h>	165	#include <stddef.h>
160		166
161	#include <stdio.h>	167	#include <stdio.h>
162		168
163	#include <assert.h>	169	#include <assert.h>
164	#include <errno.h>	170	#include <errno.h>
165	#include <sys/types.h>	171	#include <sys/types.h>
166	#include <time.h>	172	#include <time.h>
		173	#include <limits.h>
167		174
168	#include <signal.h>	175	#include <signal.h>
169		176
170	#ifdef EV_H	177	#ifdef EV_H
171	# include EV_H	178	# include EV_H
172	#else	179	#else
173	# include "ev.h"	180	# include "ev.h"
174	#endif	181	#endif
		182
		183	EV_CPP(extern "C" {)
175		184
176	#ifndef _WIN32	185	#ifndef _WIN32
177	# include <sys/time.h>	186	# include <sys/time.h>
178	# include <sys/wait.h>	187	# include <sys/wait.h>
179	# include <unistd.h>	188	# include <unistd.h>
…		…
182	# define WIN32_LEAN_AND_MEAN	191	# define WIN32_LEAN_AND_MEAN
183	# include <windows.h>	192	# include <windows.h>
184	# ifndef EV_SELECT_IS_WINSOCKET	193	# ifndef EV_SELECT_IS_WINSOCKET
185	# define EV_SELECT_IS_WINSOCKET 1	194	# define EV_SELECT_IS_WINSOCKET 1
186	# endif	195	# endif
		196	# undef EV_AVOID_STDIO
187	#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
188		206
189	/* 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 */
190		208
191	/* try to deduce the maximum number of signals on this platform */	209	/* try to deduce the maximum number of signals on this platform */
192	#if defined (EV_NSIG)	210	#if defined (EV_NSIG)
…		…
204	#elif defined (MAXSIG)	222	#elif defined (MAXSIG)
205	# define EV_NSIG (MAXSIG+1)	223	# define EV_NSIG (MAXSIG+1)
206	#elif defined (MAX_SIG)	224	#elif defined (MAX_SIG)
207	# define EV_NSIG (MAX_SIG+1)	225	# define EV_NSIG (MAX_SIG+1)
208	#elif defined (SIGARRAYSIZE)	226	#elif defined (SIGARRAYSIZE)
209	# define EV_NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */	227	# define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */
210	#elif defined (_sys_nsig)	228	#elif defined (_sys_nsig)
211	# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */	229	# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */
212	#else	230	#else
213	# error "unable to find value for NSIG, please report"	231	# error "unable to find value for NSIG, please report"
214	/* 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! :) */
215	# define EV_NSIG 65	234	# define EV_NSIG 65
216	#endif	235	#endif
217		236
218	#ifndef EV_USE_CLOCK_SYSCALL	237	#ifndef EV_USE_CLOCK_SYSCALL
219	# if __linux && __GLIBC__ >= 2	238	# if __linux && __GLIBC__ >= 2
220	# define EV_USE_CLOCK_SYSCALL 1	239	# define EV_USE_CLOCK_SYSCALL EV_FEATURE_OS
221	# else	240	# else
222	# define EV_USE_CLOCK_SYSCALL 0	241	# define EV_USE_CLOCK_SYSCALL 0
223	# endif	242	# endif
224	#endif	243	#endif
225		244
226	#ifndef EV_USE_MONOTONIC	245	#ifndef EV_USE_MONOTONIC
227	# if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0	246	# if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0
228	# define EV_USE_MONOTONIC 1	247	# define EV_USE_MONOTONIC EV_FEATURE_OS
229	# else	248	# else
230	# define EV_USE_MONOTONIC 0	249	# define EV_USE_MONOTONIC 0
231	# endif	250	# endif
232	#endif	251	#endif
233		252
…		…
235	# define EV_USE_REALTIME !EV_USE_CLOCK_SYSCALL	254	# define EV_USE_REALTIME !EV_USE_CLOCK_SYSCALL
236	#endif	255	#endif
237		256
238	#ifndef EV_USE_NANOSLEEP	257	#ifndef EV_USE_NANOSLEEP
239	# if _POSIX_C_SOURCE >= 199309L	258	# if _POSIX_C_SOURCE >= 199309L
240	# define EV_USE_NANOSLEEP 1	259	# define EV_USE_NANOSLEEP EV_FEATURE_OS
241	# else	260	# else
242	# define EV_USE_NANOSLEEP 0	261	# define EV_USE_NANOSLEEP 0
243	# endif	262	# endif
244	#endif	263	#endif
245		264
246	#ifndef EV_USE_SELECT	265	#ifndef EV_USE_SELECT
247	# define EV_USE_SELECT 1	266	# define EV_USE_SELECT EV_FEATURE_BACKENDS
248	#endif	267	#endif
249		268
250	#ifndef EV_USE_POLL	269	#ifndef EV_USE_POLL
251	# ifdef _WIN32	270	# ifdef _WIN32
252	# define EV_USE_POLL 0	271	# define EV_USE_POLL 0
253	# else	272	# else
254	# define EV_USE_POLL 1	273	# define EV_USE_POLL EV_FEATURE_BACKENDS
255	# endif	274	# endif
256	#endif	275	#endif
257		276
258	#ifndef EV_USE_EPOLL	277	#ifndef EV_USE_EPOLL
259	# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))	278	# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))
260	# define EV_USE_EPOLL 1	279	# define EV_USE_EPOLL EV_FEATURE_BACKENDS
261	# else	280	# else
262	# define EV_USE_EPOLL 0	281	# define EV_USE_EPOLL 0
263	# endif	282	# endif
264	#endif	283	#endif
265		284
…		…
271	# define EV_USE_PORT 0	290	# define EV_USE_PORT 0
272	#endif	291	#endif
273		292
274	#ifndef EV_USE_INOTIFY	293	#ifndef EV_USE_INOTIFY
275	# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))	294	# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))
276	# define EV_USE_INOTIFY 1	295	# define EV_USE_INOTIFY EV_FEATURE_OS
277	# else	296	# else
278	# define EV_USE_INOTIFY 0	297	# define EV_USE_INOTIFY 0
279	# endif	298	# endif
280	#endif	299	#endif
281		300
282	#ifndef EV_PID_HASHSIZE	301	#ifndef EV_PID_HASHSIZE
283	# if EV_MINIMAL	302	# define EV_PID_HASHSIZE EV_FEATURE_DATA ? 16 : 1
284	# define EV_PID_HASHSIZE 1
285	# else
286	# define EV_PID_HASHSIZE 16
287	# endif
288	#endif	303	#endif
289		304
290	#ifndef EV_INOTIFY_HASHSIZE	305	#ifndef EV_INOTIFY_HASHSIZE
291	# if EV_MINIMAL	306	# define EV_INOTIFY_HASHSIZE EV_FEATURE_DATA ? 16 : 1
292	# define EV_INOTIFY_HASHSIZE 1
293	# else
294	# define EV_INOTIFY_HASHSIZE 16
295	# endif
296	#endif	307	#endif
297		308
298	#ifndef EV_USE_EVENTFD	309	#ifndef EV_USE_EVENTFD
299	# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7))	310	# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7))
300	# define EV_USE_EVENTFD 1	311	# define EV_USE_EVENTFD EV_FEATURE_OS
301	# else	312	# else
302	# define EV_USE_EVENTFD 0	313	# define EV_USE_EVENTFD 0
303	# endif	314	# endif
304	#endif	315	#endif
305		316
306	#ifndef EV_USE_SIGNALFD	317	#ifndef EV_USE_SIGNALFD
307	# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 9))	318	# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7))
308	# define EV_USE_SIGNALFD 1	319	# define EV_USE_SIGNALFD EV_FEATURE_OS
309	# else	320	# else
310	# define EV_USE_SIGNALFD 0	321	# define EV_USE_SIGNALFD 0
311	# endif	322	# endif
312	#endif	323	#endif
313		324
…		…
316	# define EV_USE_4HEAP 1	327	# define EV_USE_4HEAP 1
317	# define EV_HEAP_CACHE_AT 1	328	# define EV_HEAP_CACHE_AT 1
318	#endif	329	#endif
319		330
320	#ifndef EV_VERIFY	331	#ifndef EV_VERIFY
321	# define EV_VERIFY !EV_MINIMAL	332	# define EV_VERIFY (EV_FEATURE_API ? 1 : 0)
322	#endif	333	#endif
323		334
324	#ifndef EV_USE_4HEAP	335	#ifndef EV_USE_4HEAP
325	# define EV_USE_4HEAP !EV_MINIMAL	336	# define EV_USE_4HEAP EV_FEATURE_DATA
326	#endif	337	#endif
327		338
328	#ifndef EV_HEAP_CACHE_AT	339	#ifndef EV_HEAP_CACHE_AT
329	# define EV_HEAP_CACHE_AT !EV_MINIMAL	340	# define EV_HEAP_CACHE_AT EV_FEATURE_DATA
330	#endif	341	#endif
331		342
332	/* 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, */
333	/* which makes programs even slower. might work on other unices, too. */	344	/* which makes programs even slower. might work on other unices, too. */
334	#if EV_USE_CLOCK_SYSCALL	345	#if EV_USE_CLOCK_SYSCALL
…		…
343	# endif	354	# endif
344	#endif	355	#endif
345		356
346	/* this block fixes any misconfiguration where we know we run into trouble otherwise */	357	/* this block fixes any misconfiguration where we know we run into trouble otherwise */
347		358
		359	#ifdef _AIX
		360	/* AIX has a completely broken poll.h header */
		361	# undef EV_USE_POLL
		362	# define EV_USE_POLL 0
		363	#endif
		364
348	#ifndef CLOCK_MONOTONIC	365	#ifndef CLOCK_MONOTONIC
349	# undef EV_USE_MONOTONIC	366	# undef EV_USE_MONOTONIC
350	# define EV_USE_MONOTONIC 0	367	# define EV_USE_MONOTONIC 0
351	#endif	368	#endif
352		369
…		…
365	# include <sys/select.h>	382	# include <sys/select.h>
366	# endif	383	# endif
367	#endif	384	#endif
368		385
369	#if EV_USE_INOTIFY	386	#if EV_USE_INOTIFY
370	# include <sys/utsname.h>
371	# include <sys/statfs.h>	387	# include <sys/statfs.h>
372	# include <sys/inotify.h>	388	# include <sys/inotify.h>
373	/* 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 */
374	# ifndef IN_DONT_FOLLOW	390	# ifndef IN_DONT_FOLLOW
375	# undef EV_USE_INOTIFY	391	# undef EV_USE_INOTIFY
…		…
392	# define EFD_CLOEXEC O_CLOEXEC	408	# define EFD_CLOEXEC O_CLOEXEC
393	# else	409	# else
394	# define EFD_CLOEXEC 02000000	410	# define EFD_CLOEXEC 02000000
395	# endif	411	# endif
396	# endif	412	# endif
397	# ifdef __cplusplus	413	EV_CPP(extern "C") int (eventfd) (unsigned int initval, int flags);
398	extern "C" {	414	#endif
		415
		416	#if EV_USE_SIGNALFD
		417	/* our minimum requirement is glibc 2.7 which has the stub, but not the header */
		418	# include <stdint.h>
		419	# ifndef SFD_NONBLOCK
		420	# define SFD_NONBLOCK O_NONBLOCK
399	# endif	421	# endif
400	int eventfd (unsigned int initval, int flags);	422	# ifndef SFD_CLOEXEC
401	# ifdef __cplusplus	423	# ifdef O_CLOEXEC
402	}	424	# define SFD_CLOEXEC O_CLOEXEC
		425	# else
		426	# define SFD_CLOEXEC 02000000
		427	# endif
403	# endif	428	# endif
404	#endif	429	EV_CPP (extern "C") int signalfd (int fd, const sigset_t *mask, int flags);
405		430
406	#if EV_USE_SIGNALFD	431	struct signalfd_siginfo
407	# include <sys/signalfd.h>	432	{
		433	uint32_t ssi_signo;
		434	char pad[128 - sizeof (uint32_t)];
		435	};
408	#endif	436	#endif
409		437
410	/**/	438	/**/
411		439
412	#if EV_VERIFY >= 3	440	#if EV_VERIFY >= 3
413	# define EV_FREQUENT_CHECK ev_loop_verify (EV_A)	441	# define EV_FREQUENT_CHECK ev_verify (EV_A)
414	#else	442	#else
415	# define EV_FREQUENT_CHECK do { } while (0)	443	# define EV_FREQUENT_CHECK do { } while (0)
416	#endif	444	#endif
417		445
418	/*	446	/*
…		…
425	*/	453	*/
426	#define TIME_EPSILON 0.0001220703125 /* 1/8192 */	454	#define TIME_EPSILON 0.0001220703125 /* 1/8192 */
427		455
428	#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) */
429	#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) */
430	/*#define CLEANUP_INTERVAL (MAX_BLOCKTIME * 5.) /* how often to try to free memory and re-check fds, TODO */	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)
431		461
432	#if __GNUC__ >= 4	462	#if __GNUC__ >= 4
433	# define expect(expr,value) __builtin_expect ((expr),(value))	463	# define expect(expr,value) __builtin_expect ((expr),(value))
434	# define noinline __attribute__ ((noinline))	464	# define noinline __attribute__ ((noinline))
435	#else	465	#else
…		…
442		472
443	#define expect_false(expr) expect ((expr) != 0, 0)	473	#define expect_false(expr) expect ((expr) != 0, 0)
444	#define expect_true(expr) expect ((expr) != 0, 1)	474	#define expect_true(expr) expect ((expr) != 0, 1)
445	#define inline_size static inline	475	#define inline_size static inline
446		476
447	#if EV_MINIMAL	477	#if EV_FEATURE_CODE
		478	# define inline_speed static inline
		479	#else
448	# define inline_speed static noinline	480	# define inline_speed static noinline
449	#else
450	# define inline_speed static inline
451	#endif	481	#endif
452		482
453	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)	483	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
454		484
455	#if EV_MINPRI == EV_MAXPRI	485	#if EV_MINPRI == EV_MAXPRI
…		…
468	#define ev_active(w) ((W)(w))->active	498	#define ev_active(w) ((W)(w))->active
469	#define ev_at(w) ((WT)(w))->at	499	#define ev_at(w) ((WT)(w))->at
470		500
471	#if EV_USE_REALTIME	501	#if EV_USE_REALTIME
472	/* 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 */
473	/* giving it a reasonably high chance of working on typical architetcures */	503	/* giving it a reasonably high chance of working on typical architectures */
474	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? */
475	#endif	505	#endif
476		506
477	#if EV_USE_MONOTONIC	507	#if EV_USE_MONOTONIC
478	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? */
479	#endif	509	#endif
480		510
		511	#ifndef EV_FD_TO_WIN32_HANDLE
		512	# define EV_FD_TO_WIN32_HANDLE(fd) _get_osfhandle (fd)
		513	#endif
		514	#ifndef EV_WIN32_HANDLE_TO_FD
		515	# define EV_WIN32_HANDLE_TO_FD(handle) _open_osfhandle (handle, 0)
		516	#endif
		517	#ifndef EV_WIN32_CLOSE_FD
		518	# define EV_WIN32_CLOSE_FD(fd) close (fd)
		519	#endif
		520
481	#ifdef _WIN32	521	#ifdef _WIN32
482	# include "ev_win32.c"	522	# include "ev_win32.c"
483	#endif	523	#endif
484		524
485	/*****************************************************************************/	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	struct utsname buf;
		536	unsigned int v;
		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
486		576
487	static void (*syserr_cb)(const char *msg);	577	static void (*syserr_cb)(const char *msg);
488		578
489	void	579	void
490	ev_set_syserr_cb (void (*cb)(const char *msg))	580	ev_set_syserr_cb (void (*cb)(const char *msg))
…		…
500		590
501	if (syserr_cb)	591	if (syserr_cb)
502	syserr_cb (msg);	592	syserr_cb (msg);
503	else	593	else
504	{	594	{
		595	#if EV_AVOID_STDIO
		596	const char *err = strerror (errno);
		597
		598	ev_printerr (msg);
		599	ev_printerr (": ");
		600	ev_printerr (err);
		601	ev_printerr ("\n");
		602	#else
505	perror (msg);	603	perror (msg);
		604	#endif
506	abort ();	605	abort ();
507	}	606	}
508	}	607	}
509		608
510	static void *	609	static void *
511	ev_realloc_emul (void *ptr, long size)	610	ev_realloc_emul (void *ptr, long size)
512	{	611	{
		612	#if __GLIBC__
		613	return realloc (ptr, size);
		614	#else
513	/* some systems, notably openbsd and darwin, fail to properly	615	/* some systems, notably openbsd and darwin, fail to properly
514	* implement realloc (x, 0) (as required by both ansi c-98 and	616	* implement realloc (x, 0) (as required by both ansi c-89 and
515	* the single unix specification, so work around them here.	617	* the single unix specification, so work around them here.
516	*/	618	*/
517		619
518	if (size)	620	if (size)
519	return realloc (ptr, size);	621	return realloc (ptr, size);
520		622
521	free (ptr);	623	free (ptr);
522	return 0;	624	return 0;
		625	#endif
523	}	626	}
524		627
525	static void *(*alloc)(void *ptr, long size) = ev_realloc_emul;	628	static void *(*alloc)(void *ptr, long size) = ev_realloc_emul;
526		629
527	void	630	void
…		…
535	{	638	{
536	ptr = alloc (ptr, size);	639	ptr = alloc (ptr, size);
537		640
538	if (!ptr && size)	641	if (!ptr && size)
539	{	642	{
		643	#if EV_AVOID_STDIO
		644	ev_printerr ("libev: memory allocation failed, aborting.\n");
		645	#else
540	fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size);	646	fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size);
		647	#endif
541	abort ();	648	abort ();
542	}	649	}
543		650
544	return ptr;	651	return ptr;
545	}	652	}
…		…
627		734
628	static int ev_default_loop_ptr;	735	static int ev_default_loop_ptr;
629		736
630	#endif	737	#endif
631		738
632	#if EV_MINIMAL < 2	739	#if EV_FEATURE_API
633	# define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A)	740	# define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A)
634	# define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A)	741	# define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A)
635	# define EV_INVOKE_PENDING invoke_cb (EV_A)	742	# define EV_INVOKE_PENDING invoke_cb (EV_A)
636	#else	743	#else
637	# define EV_RELEASE_CB (void)0	744	# define EV_RELEASE_CB (void)0
638	# define EV_ACQUIRE_CB (void)0	745	# define EV_ACQUIRE_CB (void)0
639	# define EV_INVOKE_PENDING ev_invoke_pending (EV_A)	746	# define EV_INVOKE_PENDING ev_invoke_pending (EV_A)
640	#endif	747	#endif
641		748
642	#define EVUNLOOP_RECURSE 0x80	749	#define EVBREAK_RECURSE 0x80
643		750
644	/*****************************************************************************/	751	/*****************************************************************************/
645		752
646	#ifndef EV_HAVE_EV_TIME	753	#ifndef EV_HAVE_EV_TIME
647	ev_tstamp	754	ev_tstamp
…		…
691	if (delay > 0.)	798	if (delay > 0.)
692	{	799	{
693	#if EV_USE_NANOSLEEP	800	#if EV_USE_NANOSLEEP
694	struct timespec ts;	801	struct timespec ts;
695		802
696	ts.tv_sec = (time_t)delay;	803	EV_TS_SET (ts, delay);
697	ts.tv_nsec = (long)((delay - (ev_tstamp)(ts.tv_sec)) * 1e9);
698
699	nanosleep (&ts, 0);	804	nanosleep (&ts, 0);
700	#elif defined(_WIN32)	805	#elif defined(_WIN32)
701	Sleep ((unsigned long)(delay * 1e3));	806	Sleep ((unsigned long)(delay * 1e3));
702	#else	807	#else
703	struct timeval tv;	808	struct timeval tv;
704		809
705	tv.tv_sec = (time_t)delay;
706	tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6);
707
708	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */	810	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */
709	/* something not guaranteed by newer posix versions, but guaranteed */	811	/* something not guaranteed by newer posix versions, but guaranteed */
710	/* by older ones */	812	/* by older ones */
		813	EV_TV_SET (tv, delay);
711	select (0, 0, 0, 0, &tv);	814	select (0, 0, 0, 0, &tv);
712	#endif	815	#endif
713	}	816	}
714	}	817	}
715		818
716	/*****************************************************************************/	819	/*****************************************************************************/
717		820
718	#define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */	821	#define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */
719		822
720	/* find a suitable new size for the given array, */	823	/* find a suitable new size for the given array, */
721	/* hopefully by rounding to a ncie-to-malloc size */	824	/* hopefully by rounding to a nice-to-malloc size */
722	inline_size int	825	inline_size int
723	array_nextsize (int elem, int cur, int cnt)	826	array_nextsize (int elem, int cur, int cnt)
724	{	827	{
725	int ncur = cur + 1;	828	int ncur = cur + 1;
726		829
…		…
822	}	925	}
823		926
824	/*****************************************************************************/	927	/*****************************************************************************/
825		928
826	inline_speed void	929	inline_speed void
827	fd_event_nc (EV_P_ int fd, int revents)	930	fd_event_nocheck (EV_P_ int fd, int revents)
828	{	931	{
829	ANFD *anfd = anfds + fd;	932	ANFD *anfd = anfds + fd;
830	ev_io *w;	933	ev_io *w;
831		934
832	for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next)	935	for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next)
…		…
844	fd_event (EV_P_ int fd, int revents)	947	fd_event (EV_P_ int fd, int revents)
845	{	948	{
846	ANFD *anfd = anfds + fd;	949	ANFD *anfd = anfds + fd;
847		950
848	if (expect_true (!anfd->reify))	951	if (expect_true (!anfd->reify))
849	fd_event_nc (EV_A_ fd, revents);	952	fd_event_nocheck (EV_A_ fd, revents);
850	}	953	}
851		954
852	void	955	void
853	ev_feed_fd_event (EV_P_ int fd, int revents)	956	ev_feed_fd_event (EV_P_ int fd, int revents)
854	{	957	{
855	if (fd >= 0 && fd < anfdmax)	958	if (fd >= 0 && fd < anfdmax)
856	fd_event_nc (EV_A_ fd, revents);	959	fd_event_nocheck (EV_A_ fd, revents);
857	}	960	}
858		961
859	/* make sure the external fd watch events are in-sync */	962	/* make sure the external fd watch events are in-sync */
860	/* with the kernel/libev internal state */	963	/* with the kernel/libev internal state */
861	inline_size void	964	inline_size void
…		…
867	{	970	{
868	int fd = fdchanges [i];	971	int fd = fdchanges [i];
869	ANFD *anfd = anfds + fd;	972	ANFD *anfd = anfds + fd;
870	ev_io *w;	973	ev_io *w;
871		974
872	unsigned char events = 0;	975	unsigned char o_events = anfd->events;
		976	unsigned char o_reify = anfd->reify;
873		977
874	for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next)	978	anfd->reify = 0;
875	events |= (unsigned char)w->events;
876		979
877	#if EV_SELECT_IS_WINSOCKET	980	#if EV_SELECT_IS_WINSOCKET
878	if (events)	981	if (o_reify & EV__IOFDSET)
879	{	982	{
880	unsigned long arg;	983	unsigned long arg;
881	#ifdef EV_FD_TO_WIN32_HANDLE
882	anfd->handle = EV_FD_TO_WIN32_HANDLE (fd);	984	anfd->handle = EV_FD_TO_WIN32_HANDLE (fd);
883	#else
884	anfd->handle = _get_osfhandle (fd);
885	#endif
886	assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0));	985	assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0));
887	}	986	}
888	#endif	987	#endif
889		988
		989	/*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */
890	{	990	{
891	unsigned char o_events = anfd->events;
892	unsigned char o_reify = anfd->reify;
893
894	anfd->reify = 0;
895	anfd->events = events;	991	anfd->events = 0;
896		992
897	if (o_events != events || o_reify & EV__IOFDSET)	993	for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next)
		994	anfd->events |= (unsigned char)w->events;
		995
		996	if (o_events != anfd->events)
		997	o_reify = EV__IOFDSET; /* actually |= */
		998	}
		999
		1000	if (o_reify & EV__IOFDSET)
898	backend_modify (EV_A_ fd, o_events, events);	1001	backend_modify (EV_A_ fd, o_events, anfd->events);
899	}
900	}	1002	}
901		1003
902	fdchangecnt = 0;	1004	fdchangecnt = 0;
903	}	1005	}
904		1006
…		…
928	ev_io_stop (EV_A_ w);	1030	ev_io_stop (EV_A_ w);
929	ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE);	1031	ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE);
930	}	1032	}
931	}	1033	}
932		1034
933	/* check whether the given fd is atcually valid, for error recovery */	1035	/* check whether the given fd is actually valid, for error recovery */
934	inline_size int	1036	inline_size int
935	fd_valid (int fd)	1037	fd_valid (int fd)
936	{	1038	{
937	#ifdef _WIN32	1039	#ifdef _WIN32
938	return _get_osfhandle (fd) != -1;	1040	return EV_FD_TO_WIN32_HANDLE (fd) != -1;
939	#else	1041	#else
940	return fcntl (fd, F_GETFD) != -1;	1042	return fcntl (fd, F_GETFD) != -1;
941	#endif	1043	#endif
942	}	1044	}
943		1045
…		…
980	anfds [fd].emask = 0;	1082	anfds [fd].emask = 0;
981	fd_change (EV_A_ fd, EV__IOFDSET | EV_ANFD_REIFY);	1083	fd_change (EV_A_ fd, EV__IOFDSET | EV_ANFD_REIFY);
982	}	1084	}
983	}	1085	}
984		1086
		1087	/* used to prepare libev internal fd's */
		1088	/* this is not fork-safe */
		1089	inline_speed void
		1090	fd_intern (int fd)
		1091	{
		1092	#ifdef _WIN32
		1093	unsigned long arg = 1;
		1094	ioctlsocket (EV_FD_TO_WIN32_HANDLE (fd), FIONBIO, &arg);
		1095	#else
		1096	fcntl (fd, F_SETFD, FD_CLOEXEC);
		1097	fcntl (fd, F_SETFL, O_NONBLOCK);
		1098	#endif
		1099	}
		1100
985	/*****************************************************************************/	1101	/*****************************************************************************/
986		1102
987	/*	1103	/*
988	* the heap functions want a real array index. array index 0 uis guaranteed to not	1104	* the heap functions want a real array index. array index 0 is guaranteed to not
989	* be in-use at any time. the first heap entry is at array [HEAP0]. DHEAP gives	1105	* be in-use at any time. the first heap entry is at array [HEAP0]. DHEAP gives
990	* the branching factor of the d-tree.	1106	* the branching factor of the d-tree.
991	*/	1107	*/
992		1108
993	/*	1109	/*
…		…
1141		1257
1142	static ANSIG signals [EV_NSIG - 1];	1258	static ANSIG signals [EV_NSIG - 1];
1143		1259
1144	/*****************************************************************************/	1260	/*****************************************************************************/
1145		1261
1146	/* used to prepare libev internal fd's */	1262	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
1147	/* this is not fork-safe */
1148	inline_speed void
1149	fd_intern (int fd)
1150	{
1151	#ifdef _WIN32
1152	unsigned long arg = 1;
1153	ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg);
1154	#else
1155	fcntl (fd, F_SETFD, FD_CLOEXEC);
1156	fcntl (fd, F_SETFL, O_NONBLOCK);
1157	#endif
1158	}
1159		1263
1160	static void noinline	1264	static void noinline
1161	evpipe_init (EV_P)	1265	evpipe_init (EV_P)
1162	{	1266	{
1163	if (!ev_is_active (&pipe_w))	1267	if (!ev_is_active (&pipe_w))
1164	{	1268	{
1165	#if EV_USE_EVENTFD	1269	# if EV_USE_EVENTFD
1166	evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC);	1270	evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC);
1167	if (evfd < 0 && errno == EINVAL)	1271	if (evfd < 0 && errno == EINVAL)
1168	evfd = eventfd (0, 0);	1272	evfd = eventfd (0, 0);
1169		1273
1170	if (evfd >= 0)	1274	if (evfd >= 0)
…		…
1172	evpipe [0] = -1;	1276	evpipe [0] = -1;
1173	fd_intern (evfd); /* doing it twice doesn't hurt */	1277	fd_intern (evfd); /* doing it twice doesn't hurt */
1174	ev_io_set (&pipe_w, evfd, EV_READ);	1278	ev_io_set (&pipe_w, evfd, EV_READ);
1175	}	1279	}
1176	else	1280	else
1177	#endif	1281	# endif
1178	{	1282	{
1179	while (pipe (evpipe))	1283	while (pipe (evpipe))
1180	ev_syserr ("(libev) error creating signal/async pipe");	1284	ev_syserr ("(libev) error creating signal/async pipe");
1181		1285
1182	fd_intern (evpipe [0]);	1286	fd_intern (evpipe [0]);
…		…
1193	evpipe_write (EV_P_ EV_ATOMIC_T *flag)	1297	evpipe_write (EV_P_ EV_ATOMIC_T *flag)
1194	{	1298	{
1195	if (!*flag)	1299	if (!*flag)
1196	{	1300	{
1197	int old_errno = errno; /* save errno because write might clobber it */	1301	int old_errno = errno; /* save errno because write might clobber it */
		1302	char dummy;
1198		1303
1199	*flag = 1;	1304	*flag = 1;
1200		1305
1201	#if EV_USE_EVENTFD	1306	#if EV_USE_EVENTFD
1202	if (evfd >= 0)	1307	if (evfd >= 0)
…		…
1204	uint64_t counter = 1;	1309	uint64_t counter = 1;
1205	write (evfd, &counter, sizeof (uint64_t));	1310	write (evfd, &counter, sizeof (uint64_t));
1206	}	1311	}
1207	else	1312	else
1208	#endif	1313	#endif
		1314	/* win32 people keep sending patches that change this write() to send() */
		1315	/* and then run away. but send() is wrong, it wants a socket handle on win32 */
		1316	/* so when you think this write should be a send instead, please find out */
		1317	/* where your send() is from - it's definitely not the microsoft send, and */
		1318	/* tell me. thank you. */
1209	write (evpipe [1], &old_errno, 1);	1319	write (evpipe [1], &dummy, 1);
1210		1320
1211	errno = old_errno;	1321	errno = old_errno;
1212	}	1322	}
1213	}	1323	}
1214		1324
…		…
1227	}	1337	}
1228	else	1338	else
1229	#endif	1339	#endif
1230	{	1340	{
1231	char dummy;	1341	char dummy;
		1342	/* see discussion in evpipe_write when you think this read should be recv in win32 */
1232	read (evpipe [0], &dummy, 1);	1343	read (evpipe [0], &dummy, 1);
1233	}	1344	}
1234		1345
1235	if (sig_pending)	1346	if (sig_pending)
1236	{	1347	{
…		…
1263	{	1374	{
1264	#if EV_MULTIPLICITY	1375	#if EV_MULTIPLICITY
1265	EV_P = signals [signum - 1].loop;	1376	EV_P = signals [signum - 1].loop;
1266	#endif	1377	#endif
1267		1378
1268	#if _WIN32	1379	#ifdef _WIN32
1269	signal (signum, ev_sighandler);	1380	signal (signum, ev_sighandler);
1270	#endif	1381	#endif
1271		1382
1272	signals [signum - 1].pending = 1;	1383	signals [signum - 1].pending = 1;
1273	evpipe_write (EV_A_ &sig_pending);	1384	evpipe_write (EV_A_ &sig_pending);
…		…
1315	break;	1426	break;
1316	}	1427	}
1317	}	1428	}
1318	#endif	1429	#endif
1319		1430
		1431	#endif
		1432
1320	/*****************************************************************************/	1433	/*****************************************************************************/
1321		1434
		1435	#if EV_CHILD_ENABLE
1322	static WL childs [EV_PID_HASHSIZE];	1436	static WL childs [EV_PID_HASHSIZE];
1323
1324	#ifndef _WIN32
1325		1437
1326	static ev_signal childev;	1438	static ev_signal childev;
1327		1439
1328	#ifndef WIFCONTINUED	1440	#ifndef WIFCONTINUED
1329	# define WIFCONTINUED(status) 0	1441	# define WIFCONTINUED(status) 0
…		…
1334	child_reap (EV_P_ int chain, int pid, int status)	1446	child_reap (EV_P_ int chain, int pid, int status)
1335	{	1447	{
1336	ev_child *w;	1448	ev_child *w;
1337	int traced = WIFSTOPPED (status) || WIFCONTINUED (status);	1449	int traced = WIFSTOPPED (status) || WIFCONTINUED (status);
1338		1450
1339	for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next)	1451	for (w = (ev_child *)childs [chain & ((EV_PID_HASHSIZE) - 1)]; w; w = (ev_child *)((WL)w)->next)
1340	{	1452	{
1341	if ((w->pid == pid || !w->pid)	1453	if ((w->pid == pid || !w->pid)
1342	&& (!traced || (w->flags & 1)))	1454	&& (!traced || (w->flags & 1)))
1343	{	1455	{
1344	ev_set_priority (w, EV_MAXPRI); /* need to do it *now*, this *must* be the same prio as the signal watcher itself */	1456	ev_set_priority (w, EV_MAXPRI); /* need to do it *now*, this *must* be the same prio as the signal watcher itself */
…		…
1369	/* make sure we are called again until all children have been reaped */	1481	/* make sure we are called again until all children have been reaped */
1370	/* we need to do it this way so that the callback gets called before we continue */	1482	/* we need to do it this way so that the callback gets called before we continue */
1371	ev_feed_event (EV_A_ (W)sw, EV_SIGNAL);	1483	ev_feed_event (EV_A_ (W)sw, EV_SIGNAL);
1372		1484
1373	child_reap (EV_A_ pid, pid, status);	1485	child_reap (EV_A_ pid, pid, status);
1374	if (EV_PID_HASHSIZE > 1)	1486	if ((EV_PID_HASHSIZE) > 1)
1375	child_reap (EV_A_ 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */	1487	child_reap (EV_A_ 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */
1376	}	1488	}
1377		1489
1378	#endif	1490	#endif
1379		1491
…		…
1446	#ifdef __APPLE__	1558	#ifdef __APPLE__
1447	/* only select works correctly on that "unix-certified" platform */	1559	/* only select works correctly on that "unix-certified" platform */
1448	flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */	1560	flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */
1449	flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */	1561	flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */
1450	#endif	1562	#endif
		1563	#ifdef __FreeBSD__
		1564	flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */
		1565	#endif
1451		1566
1452	return flags;	1567	return flags;
1453	}	1568	}
1454		1569
1455	unsigned int	1570	unsigned int
1456	ev_embeddable_backends (void)	1571	ev_embeddable_backends (void)
1457	{	1572	{
1458	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;	1573	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
1459		1574
1460	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */	1575	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */
1461	/* please fix it and tell me how to detect the fix */	1576	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
1462	flags &= ~EVBACKEND_EPOLL;	1577	flags &= ~EVBACKEND_EPOLL;
1463		1578
1464	return flags;	1579	return flags;
1465	}	1580	}
1466		1581
1467	unsigned int	1582	unsigned int
1468	ev_backend (EV_P)	1583	ev_backend (EV_P)
1469	{	1584	{
1470	return backend;	1585	return backend;
1471	}	1586	}
1472		1587
1473	#if EV_MINIMAL < 2	1588	#if EV_FEATURE_API
1474	unsigned int	1589	unsigned int
1475	ev_loop_count (EV_P)	1590	ev_iteration (EV_P)
1476	{	1591	{
1477	return loop_count;	1592	return loop_count;
1478	}	1593	}
1479		1594
1480	unsigned int	1595	unsigned int
1481	ev_loop_depth (EV_P)	1596	ev_depth (EV_P)
1482	{	1597	{
1483	return loop_depth;	1598	return loop_depth;
1484	}	1599	}
1485		1600
1486	void	1601	void
…		…
1558		1673
1559	ev_rt_now = ev_time ();	1674	ev_rt_now = ev_time ();
1560	mn_now = get_clock ();	1675	mn_now = get_clock ();
1561	now_floor = mn_now;	1676	now_floor = mn_now;
1562	rtmn_diff = ev_rt_now - mn_now;	1677	rtmn_diff = ev_rt_now - mn_now;
1563	#if EV_MINIMAL < 2	1678	#if EV_FEATURE_API
1564	invoke_cb = ev_invoke_pending;	1679	invoke_cb = ev_invoke_pending;
1565	#endif	1680	#endif
1566		1681
1567	io_blocktime = 0.;	1682	io_blocktime = 0.;
1568	timeout_blocktime = 0.;	1683	timeout_blocktime = 0.;
…		…
1574	#endif	1689	#endif
1575	#if EV_USE_INOTIFY	1690	#if EV_USE_INOTIFY
1576	fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;	1691	fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;
1577	#endif	1692	#endif
1578	#if EV_USE_SIGNALFD	1693	#if EV_USE_SIGNALFD
1579	sigfd = flags & EVFLAG_NOSIGFD ? -1 : -2;	1694	sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;
1580	#endif	1695	#endif
1581		1696
1582	if (!(flags & 0x0000ffffU))	1697	if (!(flags & 0x0000ffffU))
1583	flags |= ev_recommended_backends ();	1698	flags |= ev_recommended_backends ();
1584		1699
…		…
1598	if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags);	1713	if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags);
1599	#endif	1714	#endif
1600		1715
1601	ev_prepare_init (&pending_w, pendingcb);	1716	ev_prepare_init (&pending_w, pendingcb);
1602		1717
		1718	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
1603	ev_init (&pipe_w, pipecb);	1719	ev_init (&pipe_w, pipecb);
1604	ev_set_priority (&pipe_w, EV_MAXPRI);	1720	ev_set_priority (&pipe_w, EV_MAXPRI);
		1721	#endif
1605	}	1722	}
1606	}	1723	}
1607		1724
1608	/* free up a loop structure */	1725	/* free up a loop structure */
1609	static void noinline	1726	static void noinline
…		…
1621	close (evfd);	1738	close (evfd);
1622	#endif	1739	#endif
1623		1740
1624	if (evpipe [0] >= 0)	1741	if (evpipe [0] >= 0)
1625	{	1742	{
1626	close (evpipe [0]);	1743	EV_WIN32_CLOSE_FD (evpipe [0]);
1627	close (evpipe [1]);	1744	EV_WIN32_CLOSE_FD (evpipe [1]);
1628	}	1745	}
1629	}	1746	}
1630		1747
1631	#if EV_USE_SIGNALFD	1748	#if EV_USE_SIGNALFD
1632	if (ev_is_active (&sigfd_w))	1749	if (ev_is_active (&sigfd_w))
1633	{
1634	/*ev_ref (EV_A);*/
1635	/*ev_io_stop (EV_A_ &sigfd_w);*/
1636
1637	close (sigfd);	1750	close (sigfd);
1638	}
1639	#endif	1751	#endif
1640		1752
1641	#if EV_USE_INOTIFY	1753	#if EV_USE_INOTIFY
1642	if (fs_fd >= 0)	1754	if (fs_fd >= 0)
1643	close (fs_fd);	1755	close (fs_fd);
…		…
1728	close (evfd);	1840	close (evfd);
1729	#endif	1841	#endif
1730		1842
1731	if (evpipe [0] >= 0)	1843	if (evpipe [0] >= 0)
1732	{	1844	{
1733	close (evpipe [0]);	1845	EV_WIN32_CLOSE_FD (evpipe [0]);
1734	close (evpipe [1]);	1846	EV_WIN32_CLOSE_FD (evpipe [1]);
1735	}	1847	}
1736		1848
		1849	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
1737	evpipe_init (EV_A);	1850	evpipe_init (EV_A);
1738	/* now iterate over everything, in case we missed something */	1851	/* now iterate over everything, in case we missed something */
1739	pipecb (EV_A_ &pipe_w, EV_READ);	1852	pipecb (EV_A_ &pipe_w, EV_READ);
		1853	#endif
1740	}	1854	}
1741		1855
1742	postfork = 0;	1856	postfork = 0;
1743	}	1857	}
1744		1858
…		…
1806	verify_watcher (EV_A_ ws [cnt]);	1920	verify_watcher (EV_A_ ws [cnt]);
1807	}	1921	}
1808	}	1922	}
1809	#endif	1923	#endif
1810		1924
1811	#if EV_MINIMAL < 2	1925	#if EV_FEATURE_API
1812	void	1926	void
1813	ev_loop_verify (EV_P)	1927	ev_verify (EV_P)
1814	{	1928	{
1815	#if EV_VERIFY	1929	#if EV_VERIFY
1816	int i;	1930	int i;
1817	WL w;	1931	WL w;
1818		1932
…		…
1857	#if EV_ASYNC_ENABLE	1971	#if EV_ASYNC_ENABLE
1858	assert (asyncmax >= asynccnt);	1972	assert (asyncmax >= asynccnt);
1859	array_verify (EV_A_ (W *)asyncs, asynccnt);	1973	array_verify (EV_A_ (W *)asyncs, asynccnt);
1860	#endif	1974	#endif
1861		1975
		1976	#if EV_PREPARE_ENABLE
1862	assert (preparemax >= preparecnt);	1977	assert (preparemax >= preparecnt);
1863	array_verify (EV_A_ (W *)prepares, preparecnt);	1978	array_verify (EV_A_ (W *)prepares, preparecnt);
		1979	#endif
1864		1980
		1981	#if EV_CHECK_ENABLE
1865	assert (checkmax >= checkcnt);	1982	assert (checkmax >= checkcnt);
1866	array_verify (EV_A_ (W *)checks, checkcnt);	1983	array_verify (EV_A_ (W *)checks, checkcnt);
		1984	#endif
1867		1985
1868	# if 0	1986	# if 0
		1987	#if EV_CHILD_ENABLE
1869	for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next)	1988	for (w = (ev_child *)childs [chain & ((EV_PID_HASHSIZE) - 1)]; w; w = (ev_child *)((WL)w)->next)
1870	for (signum = EV_NSIG; signum--; ) if (signals [signum].pending)	1989	for (signum = EV_NSIG; signum--; ) if (signals [signum].pending)
		1990	#endif
1871	# endif	1991	# endif
1872	#endif	1992	#endif
1873	}	1993	}
1874	#endif	1994	#endif
1875		1995
…		…
1891		2011
1892	loop_init (EV_A_ flags);	2012	loop_init (EV_A_ flags);
1893		2013
1894	if (ev_backend (EV_A))	2014	if (ev_backend (EV_A))
1895	{	2015	{
1896	#ifndef _WIN32	2016	#if EV_CHILD_ENABLE
1897	ev_signal_init (&childev, childcb, SIGCHLD);	2017	ev_signal_init (&childev, childcb, SIGCHLD);
1898	ev_set_priority (&childev, EV_MAXPRI);	2018	ev_set_priority (&childev, EV_MAXPRI);
1899	ev_signal_start (EV_A_ &childev);	2019	ev_signal_start (EV_A_ &childev);
1900	ev_unref (EV_A); /* child watcher should not keep loop alive */	2020	ev_unref (EV_A); /* child watcher should not keep loop alive */
1901	#endif	2021	#endif
…		…
1914	EV_P = ev_default_loop_ptr;	2034	EV_P = ev_default_loop_ptr;
1915	#endif	2035	#endif
1916		2036
1917	ev_default_loop_ptr = 0;	2037	ev_default_loop_ptr = 0;
1918		2038
1919	#ifndef _WIN32	2039	#if EV_CHILD_ENABLE
1920	ev_ref (EV_A); /* child watcher */	2040	ev_ref (EV_A); /* child watcher */
1921	ev_signal_stop (EV_A_ &childev);	2041	ev_signal_stop (EV_A_ &childev);
1922	#endif	2042	#endif
1923		2043
1924	loop_destroy (EV_A);	2044	loop_destroy (EV_A);
…		…
2030	EV_FREQUENT_CHECK;	2150	EV_FREQUENT_CHECK;
2031	feed_reverse (EV_A_ (W)w);	2151	feed_reverse (EV_A_ (W)w);
2032	}	2152	}
2033	while (timercnt && ANHE_at (timers [HEAP0]) < mn_now);	2153	while (timercnt && ANHE_at (timers [HEAP0]) < mn_now);
2034		2154
2035	feed_reverse_done (EV_A_ EV_TIMEOUT);	2155	feed_reverse_done (EV_A_ EV_TIMER);
2036	}	2156	}
2037	}	2157	}
2038		2158
2039	#if EV_PERIODIC_ENABLE	2159	#if EV_PERIODIC_ENABLE
2040	/* make periodics pending */	2160	/* make periodics pending */
…		…
2093	feed_reverse_done (EV_A_ EV_PERIODIC);	2213	feed_reverse_done (EV_A_ EV_PERIODIC);
2094	}	2214	}
2095	}	2215	}
2096		2216
2097	/* simply recalculate all periodics */	2217	/* simply recalculate all periodics */
2098	/* TODO: maybe ensure that at leats one event happens when jumping forward? */	2218	/* TODO: maybe ensure that at least one event happens when jumping forward? */
2099	static void noinline	2219	static void noinline
2100	periodics_reschedule (EV_P)	2220	periodics_reschedule (EV_P)
2101	{	2221	{
2102	int i;	2222	int i;
2103		2223
…		…
2131	ANHE_at_cache (*he);	2251	ANHE_at_cache (*he);
2132	}	2252	}
2133	}	2253	}
2134		2254
2135	/* fetch new monotonic and realtime times from the kernel */	2255	/* fetch new monotonic and realtime times from the kernel */
2136	/* also detetc if there was a timejump, and act accordingly */	2256	/* also detect if there was a timejump, and act accordingly */
2137	inline_speed void	2257	inline_speed void
2138	time_update (EV_P_ ev_tstamp max_block)	2258	time_update (EV_P_ ev_tstamp max_block)
2139	{	2259	{
2140	#if EV_USE_MONOTONIC	2260	#if EV_USE_MONOTONIC
2141	if (expect_true (have_monotonic))	2261	if (expect_true (have_monotonic))
…		…
2199	mn_now = ev_rt_now;	2319	mn_now = ev_rt_now;
2200	}	2320	}
2201	}	2321	}
2202		2322
2203	void	2323	void
2204	ev_loop (EV_P_ int flags)	2324	ev_run (EV_P_ int flags)
2205	{	2325	{
2206	#if EV_MINIMAL < 2	2326	#if EV_FEATURE_API
2207	++loop_depth;	2327	++loop_depth;
2208	#endif	2328	#endif
2209		2329
2210	assert (("libev: ev_loop recursion during release detected", loop_done != EVUNLOOP_RECURSE));	2330	assert (("libev: ev_loop recursion during release detected", loop_done != EVBREAK_RECURSE));
2211		2331
2212	loop_done = EVUNLOOP_CANCEL;	2332	loop_done = EVBREAK_CANCEL;
2213		2333
2214	EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */	2334	EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */
2215		2335
2216	do	2336	do
2217	{	2337	{
2218	#if EV_VERIFY >= 2	2338	#if EV_VERIFY >= 2
2219	ev_loop_verify (EV_A);	2339	ev_verify (EV_A);
2220	#endif	2340	#endif
2221		2341
2222	#ifndef _WIN32	2342	#ifndef _WIN32
2223	if (expect_false (curpid)) /* penalise the forking check even more */	2343	if (expect_false (curpid)) /* penalise the forking check even more */
2224	if (expect_false (getpid () != curpid))	2344	if (expect_false (getpid () != curpid))
…		…
2236	queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);	2356	queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);
2237	EV_INVOKE_PENDING;	2357	EV_INVOKE_PENDING;
2238	}	2358	}
2239	#endif	2359	#endif
2240		2360
		2361	#if EV_PREPARE_ENABLE
2241	/* queue prepare watchers (and execute them) */	2362	/* queue prepare watchers (and execute them) */
2242	if (expect_false (preparecnt))	2363	if (expect_false (preparecnt))
2243	{	2364	{
2244	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);	2365	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
2245	EV_INVOKE_PENDING;	2366	EV_INVOKE_PENDING;
2246	}	2367	}
		2368	#endif
2247		2369
2248	if (expect_false (loop_done))	2370	if (expect_false (loop_done))
2249	break;	2371	break;
2250		2372
2251	/* we might have forked, so reify kernel state if necessary */	2373	/* we might have forked, so reify kernel state if necessary */
…		…
2258	/* calculate blocking time */	2380	/* calculate blocking time */
2259	{	2381	{
2260	ev_tstamp waittime = 0.;	2382	ev_tstamp waittime = 0.;
2261	ev_tstamp sleeptime = 0.;	2383	ev_tstamp sleeptime = 0.;
2262		2384
		2385	/* remember old timestamp for io_blocktime calculation */
		2386	ev_tstamp prev_mn_now = mn_now;
		2387
		2388	/* update time to cancel out callback processing overhead */
		2389	time_update (EV_A_ 1e100);
		2390
2263	if (expect_true (!(flags & EVLOOP_NONBLOCK || idleall || !activecnt)))	2391	if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt)))
2264	{	2392	{
2265	/* remember old timestamp for io_blocktime calculation */
2266	ev_tstamp prev_mn_now = mn_now;
2267
2268	/* update time to cancel out callback processing overhead */
2269	time_update (EV_A_ 1e100);
2270
2271	waittime = MAX_BLOCKTIME;	2393	waittime = MAX_BLOCKTIME;
2272		2394
2273	if (timercnt)	2395	if (timercnt)
2274	{	2396	{
2275	ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge;	2397	ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge;
…		…
2302	waittime -= sleeptime;	2424	waittime -= sleeptime;
2303	}	2425	}
2304	}	2426	}
2305	}	2427	}
2306		2428
2307	#if EV_MINIMAL < 2	2429	#if EV_FEATURE_API
2308	++loop_count;	2430	++loop_count;
2309	#endif	2431	#endif
2310	assert ((loop_done = EVUNLOOP_RECURSE, 1)); /* assert for side effect */	2432	assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */
2311	backend_poll (EV_A_ waittime);	2433	backend_poll (EV_A_ waittime);
2312	assert ((loop_done = EVUNLOOP_CANCEL, 1)); /* assert for side effect */	2434	assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */
2313		2435
2314	/* update ev_rt_now, do magic */	2436	/* update ev_rt_now, do magic */
2315	time_update (EV_A_ waittime + sleeptime);	2437	time_update (EV_A_ waittime + sleeptime);
2316	}	2438	}
2317		2439
…		…
2324	#if EV_IDLE_ENABLE	2446	#if EV_IDLE_ENABLE
2325	/* queue idle watchers unless other events are pending */	2447	/* queue idle watchers unless other events are pending */
2326	idle_reify (EV_A);	2448	idle_reify (EV_A);
2327	#endif	2449	#endif
2328		2450
		2451	#if EV_CHECK_ENABLE
2329	/* queue check watchers, to be executed first */	2452	/* queue check watchers, to be executed first */
2330	if (expect_false (checkcnt))	2453	if (expect_false (checkcnt))
2331	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);	2454	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
		2455	#endif
2332		2456
2333	EV_INVOKE_PENDING;	2457	EV_INVOKE_PENDING;
2334	}	2458	}
2335	while (expect_true (	2459	while (expect_true (
2336	activecnt	2460	activecnt
2337	&& !loop_done	2461	&& !loop_done
2338	&& !(flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK))	2462	&& !(flags & (EVRUN_ONCE | EVRUN_NOWAIT))
2339	));	2463	));
2340		2464
2341	if (loop_done == EVUNLOOP_ONE)	2465	if (loop_done == EVBREAK_ONE)
2342	loop_done = EVUNLOOP_CANCEL;	2466	loop_done = EVBREAK_CANCEL;
2343		2467
2344	#if EV_MINIMAL < 2	2468	#if EV_FEATURE_API
2345	--loop_depth;	2469	--loop_depth;
2346	#endif	2470	#endif
2347	}	2471	}
2348		2472
2349	void	2473	void
2350	ev_unloop (EV_P_ int how)	2474	ev_break (EV_P_ int how)
2351	{	2475	{
2352	loop_done = how;	2476	loop_done = how;
2353	}	2477	}
2354		2478
2355	void	2479	void
…		…
2475		2599
2476	if (expect_false (ev_is_active (w)))	2600	if (expect_false (ev_is_active (w)))
2477	return;	2601	return;
2478		2602
2479	assert (("libev: ev_io_start called with negative fd", fd >= 0));	2603	assert (("libev: ev_io_start called with negative fd", fd >= 0));
2480	assert (("libev: ev_io start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE))));	2604	assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE))));
2481		2605
2482	EV_FREQUENT_CHECK;	2606	EV_FREQUENT_CHECK;
2483		2607
2484	ev_start (EV_A_ (W)w, 1);	2608	ev_start (EV_A_ (W)w, 1);
2485	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);	2609	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);
…		…
2503	EV_FREQUENT_CHECK;	2627	EV_FREQUENT_CHECK;
2504		2628
2505	wlist_del (&anfds[w->fd].head, (WL)w);	2629	wlist_del (&anfds[w->fd].head, (WL)w);
2506	ev_stop (EV_A_ (W)w);	2630	ev_stop (EV_A_ (W)w);
2507		2631
2508	fd_change (EV_A_ w->fd, 1);	2632	fd_change (EV_A_ w->fd, EV_ANFD_REIFY);
2509		2633
2510	EV_FREQUENT_CHECK;	2634	EV_FREQUENT_CHECK;
2511	}	2635	}
2512		2636
2513	void noinline	2637	void noinline
…		…
2555	timers [active] = timers [timercnt + HEAP0];	2679	timers [active] = timers [timercnt + HEAP0];
2556	adjustheap (timers, timercnt, active);	2680	adjustheap (timers, timercnt, active);
2557	}	2681	}
2558	}	2682	}
2559		2683
2560	EV_FREQUENT_CHECK;
2561
2562	ev_at (w) -= mn_now;	2684	ev_at (w) -= mn_now;
2563		2685
2564	ev_stop (EV_A_ (W)w);	2686	ev_stop (EV_A_ (W)w);
		2687
		2688	EV_FREQUENT_CHECK;
2565	}	2689	}
2566		2690
2567	void noinline	2691	void noinline
2568	ev_timer_again (EV_P_ ev_timer *w)	2692	ev_timer_again (EV_P_ ev_timer *w)
2569	{	2693	{
…		…
2648	periodics [active] = periodics [periodiccnt + HEAP0];	2772	periodics [active] = periodics [periodiccnt + HEAP0];
2649	adjustheap (periodics, periodiccnt, active);	2773	adjustheap (periodics, periodiccnt, active);
2650	}	2774	}
2651	}	2775	}
2652		2776
2653	EV_FREQUENT_CHECK;
2654
2655	ev_stop (EV_A_ (W)w);	2777	ev_stop (EV_A_ (W)w);
		2778
		2779	EV_FREQUENT_CHECK;
2656	}	2780	}
2657		2781
2658	void noinline	2782	void noinline
2659	ev_periodic_again (EV_P_ ev_periodic *w)	2783	ev_periodic_again (EV_P_ ev_periodic *w)
2660	{	2784	{
…		…
2665	#endif	2789	#endif
2666		2790
2667	#ifndef SA_RESTART	2791	#ifndef SA_RESTART
2668	# define SA_RESTART 0	2792	# define SA_RESTART 0
2669	#endif	2793	#endif
		2794
		2795	#if EV_SIGNAL_ENABLE
2670		2796
2671	void noinline	2797	void noinline
2672	ev_signal_start (EV_P_ ev_signal *w)	2798	ev_signal_start (EV_P_ ev_signal *w)
2673	{	2799	{
2674	if (expect_false (ev_is_active (w)))	2800	if (expect_false (ev_is_active (w)))
…		…
2721	if (!((WL)w)->next)	2847	if (!((WL)w)->next)
2722	# if EV_USE_SIGNALFD	2848	# if EV_USE_SIGNALFD
2723	if (sigfd < 0) /*TODO*/	2849	if (sigfd < 0) /*TODO*/
2724	# endif	2850	# endif
2725	{	2851	{
2726	# if _WIN32	2852	# ifdef _WIN32
		2853	evpipe_init (EV_A);
		2854
2727	signal (w->signum, ev_sighandler);	2855	signal (w->signum, ev_sighandler);
2728	# else	2856	# else
2729	struct sigaction sa;	2857	struct sigaction sa;
2730		2858
2731	evpipe_init (EV_A);	2859	evpipe_init (EV_A);
…		…
2762	signals [w->signum - 1].loop = 0; /* unattach from signal */	2890	signals [w->signum - 1].loop = 0; /* unattach from signal */
2763	#endif	2891	#endif
2764	#if EV_USE_SIGNALFD	2892	#if EV_USE_SIGNALFD
2765	if (sigfd >= 0)	2893	if (sigfd >= 0)
2766	{	2894	{
2767	sigprocmask (SIG_UNBLOCK, &sigfd_set, 0);//D	2895	sigset_t ss;
		2896
		2897	sigemptyset (&ss);
		2898	sigaddset (&ss, w->signum);
2768	sigdelset (&sigfd_set, w->signum);	2899	sigdelset (&sigfd_set, w->signum);
		2900
2769	signalfd (sigfd, &sigfd_set, 0);	2901	signalfd (sigfd, &sigfd_set, 0);
2770	sigprocmask (SIG_BLOCK, &sigfd_set, 0);//D	2902	sigprocmask (SIG_UNBLOCK, &ss, 0);
2771	/*TODO: maybe unblock signal? */
2772	}	2903	}
2773	else	2904	else
2774	#endif	2905	#endif
2775	signal (w->signum, SIG_DFL);	2906	signal (w->signum, SIG_DFL);
2776	}	2907	}
2777		2908
2778	EV_FREQUENT_CHECK;	2909	EV_FREQUENT_CHECK;
2779	}	2910	}
2780		2911
		2912	#endif
		2913
		2914	#if EV_CHILD_ENABLE
		2915
2781	void	2916	void
2782	ev_child_start (EV_P_ ev_child *w)	2917	ev_child_start (EV_P_ ev_child *w)
2783	{	2918	{
2784	#if EV_MULTIPLICITY	2919	#if EV_MULTIPLICITY
2785	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));	2920	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
…		…
2788	return;	2923	return;
2789		2924
2790	EV_FREQUENT_CHECK;	2925	EV_FREQUENT_CHECK;
2791		2926
2792	ev_start (EV_A_ (W)w, 1);	2927	ev_start (EV_A_ (W)w, 1);
2793	wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);	2928	wlist_add (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w);
2794		2929
2795	EV_FREQUENT_CHECK;	2930	EV_FREQUENT_CHECK;
2796	}	2931	}
2797		2932
2798	void	2933	void
…		…
2802	if (expect_false (!ev_is_active (w)))	2937	if (expect_false (!ev_is_active (w)))
2803	return;	2938	return;
2804		2939
2805	EV_FREQUENT_CHECK;	2940	EV_FREQUENT_CHECK;
2806		2941
2807	wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);	2942	wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w);
2808	ev_stop (EV_A_ (W)w);	2943	ev_stop (EV_A_ (W)w);
2809		2944
2810	EV_FREQUENT_CHECK;	2945	EV_FREQUENT_CHECK;
2811	}	2946	}
		2947
		2948	#endif
2812		2949
2813	#if EV_STAT_ENABLE	2950	#if EV_STAT_ENABLE
2814		2951
2815	# ifdef _WIN32	2952	# ifdef _WIN32
2816	# undef lstat	2953	# undef lstat
…		…
2822	#define MIN_STAT_INTERVAL 0.1074891	2959	#define MIN_STAT_INTERVAL 0.1074891
2823		2960
2824	static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents);	2961	static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents);
2825		2962
2826	#if EV_USE_INOTIFY	2963	#if EV_USE_INOTIFY
2827	# define EV_INOTIFY_BUFSIZE 8192	2964
		2965	/* the * 2 is to allow for alignment padding, which for some reason is >> 8 */
		2966	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)
2828		2967
2829	static void noinline	2968	static void noinline
2830	infy_add (EV_P_ ev_stat *w)	2969	infy_add (EV_P_ ev_stat *w)
2831	{	2970	{
2832	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);	2971	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);
2833		2972
2834	if (w->wd < 0)	2973	if (w->wd >= 0)
		2974	{
		2975	struct statfs sfs;
		2976
		2977	/* now local changes will be tracked by inotify, but remote changes won't */
		2978	/* unless the filesystem is known to be local, we therefore still poll */
		2979	/* also do poll on <2.6.25, but with normal frequency */
		2980
		2981	if (!fs_2625)
		2982	w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;
		2983	else if (!statfs (w->path, &sfs)
		2984	&& (sfs.f_type == 0x1373 /* devfs */
		2985	|| sfs.f_type == 0xEF53 /* ext2/3 */
		2986	|| sfs.f_type == 0x3153464a /* jfs */
		2987	|| sfs.f_type == 0x52654973 /* reiser3 */
		2988	|| sfs.f_type == 0x01021994 /* tempfs */
		2989	|| sfs.f_type == 0x58465342 /* xfs */))
		2990	w->timer.repeat = 0.; /* filesystem is local, kernel new enough */
		2991	else
		2992	w->timer.repeat = w->interval ? w->interval : NFS_STAT_INTERVAL; /* remote, use reduced frequency */
2835	{	2993	}
		2994	else
		2995	{
		2996	/* can't use inotify, continue to stat */
2836	w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;	2997	w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;
2837	ev_timer_again (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */
2838		2998
2839	/* monitor some parent directory for speedup hints */	2999	/* if path is not there, monitor some parent directory for speedup hints */
2840	/* note that exceeding the hardcoded path limit is not a correctness issue, */	3000	/* note that exceeding the hardcoded path limit is not a correctness issue, */
2841	/* but an efficiency issue only */	3001	/* but an efficiency issue only */
2842	if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096)	3002	if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096)
2843	{	3003	{
2844	char path [4096];	3004	char path [4096];
…		…
2860	while (w->wd < 0 && (errno == ENOENT || errno == EACCES));	3020	while (w->wd < 0 && (errno == ENOENT || errno == EACCES));
2861	}	3021	}
2862	}	3022	}
2863		3023
2864	if (w->wd >= 0)	3024	if (w->wd >= 0)
2865	{
2866	struct statfs sfs;
2867
2868	wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w);	3025	wlist_add (&fs_hash [w->wd & ((EV_INOTIFY_HASHSIZE) - 1)].head, (WL)w);
2869		3026
2870	/* now local changes will be tracked by inotify, but remote changes won't */	3027	/* now re-arm timer, if required */
2871	/* unless the filesystem it known to be local, we therefore still poll */	3028	if (ev_is_active (&w->timer)) ev_ref (EV_A);
2872	/* also do poll on <2.6.25, but with normal frequency */
2873
2874	if (fs_2625 && !statfs (w->path, &sfs))
2875	if (sfs.f_type == 0x1373 /* devfs */
2876	|| sfs.f_type == 0xEF53 /* ext2/3 */
2877	|| sfs.f_type == 0x3153464a /* jfs */
2878	|| sfs.f_type == 0x52654973 /* reiser3 */
2879	|| sfs.f_type == 0x01021994 /* tempfs */
2880	|| sfs.f_type == 0x58465342 /* xfs */)
2881	return;
2882
2883	w->timer.repeat = w->interval ? w->interval : fs_2625 ? NFS_STAT_INTERVAL : DEF_STAT_INTERVAL;
2884	ev_timer_again (EV_A_ &w->timer);	3029	ev_timer_again (EV_A_ &w->timer);
2885	}	3030	if (ev_is_active (&w->timer)) ev_unref (EV_A);
2886	}	3031	}
2887		3032
2888	static void noinline	3033	static void noinline
2889	infy_del (EV_P_ ev_stat *w)	3034	infy_del (EV_P_ ev_stat *w)
2890	{	3035	{
…		…
2893		3038
2894	if (wd < 0)	3039	if (wd < 0)
2895	return;	3040	return;
2896		3041
2897	w->wd = -2;	3042	w->wd = -2;
2898	slot = wd & (EV_INOTIFY_HASHSIZE - 1);	3043	slot = wd & ((EV_INOTIFY_HASHSIZE) - 1);
2899	wlist_del (&fs_hash [slot].head, (WL)w);	3044	wlist_del (&fs_hash [slot].head, (WL)w);
2900		3045
2901	/* remove this watcher, if others are watching it, they will rearm */	3046	/* remove this watcher, if others are watching it, they will rearm */
2902	inotify_rm_watch (fs_fd, wd);	3047	inotify_rm_watch (fs_fd, wd);
2903	}	3048	}
…		…
2905	static void noinline	3050	static void noinline
2906	infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)	3051	infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)
2907	{	3052	{
2908	if (slot < 0)	3053	if (slot < 0)
2909	/* overflow, need to check for all hash slots */	3054	/* overflow, need to check for all hash slots */
2910	for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot)	3055	for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)
2911	infy_wd (EV_A_ slot, wd, ev);	3056	infy_wd (EV_A_ slot, wd, ev);
2912	else	3057	else
2913	{	3058	{
2914	WL w_;	3059	WL w_;
2915		3060
2916	for (w_ = fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head; w_; )	3061	for (w_ = fs_hash [slot & ((EV_INOTIFY_HASHSIZE) - 1)].head; w_; )
2917	{	3062	{
2918	ev_stat *w = (ev_stat *)w_;	3063	ev_stat *w = (ev_stat *)w_;
2919	w_ = w_->next; /* lets us remove this watcher and all before it */	3064	w_ = w_->next; /* lets us remove this watcher and all before it */
2920		3065
2921	if (w->wd == wd || wd == -1)	3066	if (w->wd == wd || wd == -1)
2922	{	3067	{
2923	if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF))	3068	if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF))
2924	{	3069	{
2925	wlist_del (&fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w);	3070	wlist_del (&fs_hash [slot & ((EV_INOTIFY_HASHSIZE) - 1)].head, (WL)w);
2926	w->wd = -1;	3071	w->wd = -1;
2927	infy_add (EV_A_ w); /* re-add, no matter what */	3072	infy_add (EV_A_ w); /* re-add, no matter what */
2928	}	3073	}
2929		3074
2930	stat_timer_cb (EV_A_ &w->timer, 0);	3075	stat_timer_cb (EV_A_ &w->timer, 0);
…		…
2935		3080
2936	static void	3081	static void
2937	infy_cb (EV_P_ ev_io *w, int revents)	3082	infy_cb (EV_P_ ev_io *w, int revents)
2938	{	3083	{
2939	char buf [EV_INOTIFY_BUFSIZE];	3084	char buf [EV_INOTIFY_BUFSIZE];
2940	struct inotify_event *ev = (struct inotify_event *)buf;
2941	int ofs;	3085	int ofs;
2942	int len = read (fs_fd, buf, sizeof (buf));	3086	int len = read (fs_fd, buf, sizeof (buf));
2943		3087
2944	for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len)	3088	for (ofs = 0; ofs < len; )
		3089	{
		3090	struct inotify_event *ev = (struct inotify_event *)(buf + ofs);
2945	infy_wd (EV_A_ ev->wd, ev->wd, ev);	3091	infy_wd (EV_A_ ev->wd, ev->wd, ev);
		3092	ofs += sizeof (struct inotify_event) + ev->len;
		3093	}
2946	}	3094	}
2947		3095
2948	inline_size void	3096	inline_size void
2949	check_2625 (EV_P)	3097	ev_check_2625 (EV_P)
2950	{	3098	{
2951	/* kernels < 2.6.25 are borked	3099	/* kernels < 2.6.25 are borked
2952	* http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html	3100	* http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html
2953	*/	3101	*/
2954	struct utsname buf;	3102	if (ev_linux_version () < 0x020619)
2955	int major, minor, micro;
2956
2957	if (uname (&buf))
2958	return;	3103	return;
2959		3104
2960	if (sscanf (buf.release, "%d.%d.%d", &major, &minor, &micro) != 3)
2961	return;
2962
2963	if (major < 2
2964	|| (major == 2 && minor < 6)
2965	|| (major == 2 && minor == 6 && micro < 25))
2966	return;
2967
2968	fs_2625 = 1;	3105	fs_2625 = 1;
		3106	}
		3107
		3108	inline_size int
		3109	infy_newfd (void)
		3110	{
		3111	#if defined (IN_CLOEXEC) && defined (IN_NONBLOCK)
		3112	int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK);
		3113	if (fd >= 0)
		3114	return fd;
		3115	#endif
		3116	return inotify_init ();
2969	}	3117	}
2970		3118
2971	inline_size void	3119	inline_size void
2972	infy_init (EV_P)	3120	infy_init (EV_P)
2973	{	3121	{
2974	if (fs_fd != -2)	3122	if (fs_fd != -2)
2975	return;	3123	return;
2976		3124
2977	fs_fd = -1;	3125	fs_fd = -1;
2978		3126
2979	check_2625 (EV_A);	3127	ev_check_2625 (EV_A);
2980		3128
2981	fs_fd = inotify_init ();	3129	fs_fd = infy_newfd ();
2982		3130
2983	if (fs_fd >= 0)	3131	if (fs_fd >= 0)
2984	{	3132	{
		3133	fd_intern (fs_fd);
2985	ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ);	3134	ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ);
2986	ev_set_priority (&fs_w, EV_MAXPRI);	3135	ev_set_priority (&fs_w, EV_MAXPRI);
2987	ev_io_start (EV_A_ &fs_w);	3136	ev_io_start (EV_A_ &fs_w);
		3137	ev_unref (EV_A);
2988	}	3138	}
2989	}	3139	}
2990		3140
2991	inline_size void	3141	inline_size void
2992	infy_fork (EV_P)	3142	infy_fork (EV_P)
…		…
2994	int slot;	3144	int slot;
2995		3145
2996	if (fs_fd < 0)	3146	if (fs_fd < 0)
2997	return;	3147	return;
2998		3148
		3149	ev_ref (EV_A);
		3150	ev_io_stop (EV_A_ &fs_w);
2999	close (fs_fd);	3151	close (fs_fd);
3000	fs_fd = inotify_init ();	3152	fs_fd = infy_newfd ();
3001		3153
		3154	if (fs_fd >= 0)
		3155	{
		3156	fd_intern (fs_fd);
		3157	ev_io_set (&fs_w, fs_fd, EV_READ);
		3158	ev_io_start (EV_A_ &fs_w);
		3159	ev_unref (EV_A);
		3160	}
		3161
3002	for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot)	3162	for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)
3003	{	3163	{
3004	WL w_ = fs_hash [slot].head;	3164	WL w_ = fs_hash [slot].head;
3005	fs_hash [slot].head = 0;	3165	fs_hash [slot].head = 0;
3006		3166
3007	while (w_)	3167	while (w_)
…		…
3012	w->wd = -1;	3172	w->wd = -1;
3013		3173
3014	if (fs_fd >= 0)	3174	if (fs_fd >= 0)
3015	infy_add (EV_A_ w); /* re-add, no matter what */	3175	infy_add (EV_A_ w); /* re-add, no matter what */
3016	else	3176	else
		3177	{
		3178	w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;
		3179	if (ev_is_active (&w->timer)) ev_ref (EV_A);
3017	ev_timer_again (EV_A_ &w->timer);	3180	ev_timer_again (EV_A_ &w->timer);
		3181	if (ev_is_active (&w->timer)) ev_unref (EV_A);
		3182	}
3018	}	3183	}
3019	}	3184	}
3020	}	3185	}
3021		3186
3022	#endif	3187	#endif
…		…
3039	static void noinline	3204	static void noinline
3040	stat_timer_cb (EV_P_ ev_timer *w_, int revents)	3205	stat_timer_cb (EV_P_ ev_timer *w_, int revents)
3041	{	3206	{
3042	ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer));	3207	ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer));
3043		3208
3044	/* we copy this here each the time so that */	3209	ev_statdata prev = w->attr;
3045	/* prev has the old value when the callback gets invoked */
3046	w->prev = w->attr;
3047	ev_stat_stat (EV_A_ w);	3210	ev_stat_stat (EV_A_ w);
3048		3211
3049	/* memcmp doesn't work on netbsd, they.... do stuff to their struct stat */	3212	/* memcmp doesn't work on netbsd, they.... do stuff to their struct stat */
3050	if (	3213	if (
3051	w->prev.st_dev != w->attr.st_dev	3214	prev.st_dev != w->attr.st_dev
3052	|| w->prev.st_ino != w->attr.st_ino	3215	|| prev.st_ino != w->attr.st_ino
3053	|| w->prev.st_mode != w->attr.st_mode	3216	|| prev.st_mode != w->attr.st_mode
3054	|| w->prev.st_nlink != w->attr.st_nlink	3217	|| prev.st_nlink != w->attr.st_nlink
3055	|| w->prev.st_uid != w->attr.st_uid	3218	|| prev.st_uid != w->attr.st_uid
3056	|| w->prev.st_gid != w->attr.st_gid	3219	|| prev.st_gid != w->attr.st_gid
3057	|| w->prev.st_rdev != w->attr.st_rdev	3220	|| prev.st_rdev != w->attr.st_rdev
3058	|| w->prev.st_size != w->attr.st_size	3221	|| prev.st_size != w->attr.st_size
3059	|| w->prev.st_atime != w->attr.st_atime	3222	|| prev.st_atime != w->attr.st_atime
3060	|| w->prev.st_mtime != w->attr.st_mtime	3223	|| prev.st_mtime != w->attr.st_mtime
3061	|| w->prev.st_ctime != w->attr.st_ctime	3224	|| prev.st_ctime != w->attr.st_ctime
3062	) {	3225	) {
		3226	/* we only update w->prev on actual differences */
		3227	/* in case we test more often than invoke the callback, */
		3228	/* to ensure that prev is always different to attr */
		3229	w->prev = prev;
		3230
3063	#if EV_USE_INOTIFY	3231	#if EV_USE_INOTIFY
3064	if (fs_fd >= 0)	3232	if (fs_fd >= 0)
3065	{	3233	{
3066	infy_del (EV_A_ w);	3234	infy_del (EV_A_ w);
3067	infy_add (EV_A_ w);	3235	infy_add (EV_A_ w);
…		…
3092		3260
3093	if (fs_fd >= 0)	3261	if (fs_fd >= 0)
3094	infy_add (EV_A_ w);	3262	infy_add (EV_A_ w);
3095	else	3263	else
3096	#endif	3264	#endif
		3265	{
3097	ev_timer_again (EV_A_ &w->timer);	3266	ev_timer_again (EV_A_ &w->timer);
		3267	ev_unref (EV_A);
		3268	}
3098		3269
3099	ev_start (EV_A_ (W)w, 1);	3270	ev_start (EV_A_ (W)w, 1);
3100		3271
3101	EV_FREQUENT_CHECK;	3272	EV_FREQUENT_CHECK;
3102	}	3273	}
…		…
3111	EV_FREQUENT_CHECK;	3282	EV_FREQUENT_CHECK;
3112		3283
3113	#if EV_USE_INOTIFY	3284	#if EV_USE_INOTIFY
3114	infy_del (EV_A_ w);	3285	infy_del (EV_A_ w);
3115	#endif	3286	#endif
		3287
		3288	if (ev_is_active (&w->timer))
		3289	{
		3290	ev_ref (EV_A);
3116	ev_timer_stop (EV_A_ &w->timer);	3291	ev_timer_stop (EV_A_ &w->timer);
		3292	}
3117		3293
3118	ev_stop (EV_A_ (W)w);	3294	ev_stop (EV_A_ (W)w);
3119		3295
3120	EV_FREQUENT_CHECK;	3296	EV_FREQUENT_CHECK;
3121	}	3297	}
…		…
3166		3342
3167	EV_FREQUENT_CHECK;	3343	EV_FREQUENT_CHECK;
3168	}	3344	}
3169	#endif	3345	#endif
3170		3346
		3347	#if EV_PREPARE_ENABLE
3171	void	3348	void
3172	ev_prepare_start (EV_P_ ev_prepare *w)	3349	ev_prepare_start (EV_P_ ev_prepare *w)
3173	{	3350	{
3174	if (expect_false (ev_is_active (w)))	3351	if (expect_false (ev_is_active (w)))
3175	return;	3352	return;
…		…
3201		3378
3202	ev_stop (EV_A_ (W)w);	3379	ev_stop (EV_A_ (W)w);
3203		3380
3204	EV_FREQUENT_CHECK;	3381	EV_FREQUENT_CHECK;
3205	}	3382	}
		3383	#endif
3206		3384
		3385	#if EV_CHECK_ENABLE
3207	void	3386	void
3208	ev_check_start (EV_P_ ev_check *w)	3387	ev_check_start (EV_P_ ev_check *w)
3209	{	3388	{
3210	if (expect_false (ev_is_active (w)))	3389	if (expect_false (ev_is_active (w)))
3211	return;	3390	return;
…		…
3237		3416
3238	ev_stop (EV_A_ (W)w);	3417	ev_stop (EV_A_ (W)w);
3239		3418
3240	EV_FREQUENT_CHECK;	3419	EV_FREQUENT_CHECK;
3241	}	3420	}
		3421	#endif
3242		3422
3243	#if EV_EMBED_ENABLE	3423	#if EV_EMBED_ENABLE
3244	void noinline	3424	void noinline
3245	ev_embed_sweep (EV_P_ ev_embed *w)	3425	ev_embed_sweep (EV_P_ ev_embed *w)
3246	{	3426	{
3247	ev_loop (w->other, EVLOOP_NONBLOCK);	3427	ev_run (w->other, EVRUN_NOWAIT);
3248	}	3428	}
3249		3429
3250	static void	3430	static void
3251	embed_io_cb (EV_P_ ev_io *io, int revents)	3431	embed_io_cb (EV_P_ ev_io *io, int revents)
3252	{	3432	{
3253	ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io));	3433	ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io));
3254		3434
3255	if (ev_cb (w))	3435	if (ev_cb (w))
3256	ev_feed_event (EV_A_ (W)w, EV_EMBED);	3436	ev_feed_event (EV_A_ (W)w, EV_EMBED);
3257	else	3437	else
3258	ev_loop (w->other, EVLOOP_NONBLOCK);	3438	ev_run (w->other, EVRUN_NOWAIT);
3259	}	3439	}
3260		3440
3261	static void	3441	static void
3262	embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents)	3442	embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents)
3263	{	3443	{
…		…
3267	EV_P = w->other;	3447	EV_P = w->other;
3268		3448
3269	while (fdchangecnt)	3449	while (fdchangecnt)
3270	{	3450	{
3271	fd_reify (EV_A);	3451	fd_reify (EV_A);
3272	ev_loop (EV_A_ EVLOOP_NONBLOCK);	3452	ev_run (EV_A_ EVRUN_NOWAIT);
3273	}	3453	}
3274	}	3454	}
3275	}	3455	}
3276		3456
3277	static void	3457	static void
…		…
3283		3463
3284	{	3464	{
3285	EV_P = w->other;	3465	EV_P = w->other;
3286		3466
3287	ev_loop_fork (EV_A);	3467	ev_loop_fork (EV_A);
3288	ev_loop (EV_A_ EVLOOP_NONBLOCK);	3468	ev_run (EV_A_ EVRUN_NOWAIT);
3289	}	3469	}
3290		3470
3291	ev_embed_start (EV_A_ w);	3471	ev_embed_start (EV_A_ w);
3292	}	3472	}
3293		3473
…		…
3341		3521
3342	ev_io_stop (EV_A_ &w->io);	3522	ev_io_stop (EV_A_ &w->io);
3343	ev_prepare_stop (EV_A_ &w->prepare);	3523	ev_prepare_stop (EV_A_ &w->prepare);
3344	ev_fork_stop (EV_A_ &w->fork);	3524	ev_fork_stop (EV_A_ &w->fork);
3345		3525
		3526	ev_stop (EV_A_ (W)w);
		3527
3346	EV_FREQUENT_CHECK;	3528	EV_FREQUENT_CHECK;
3347	}	3529	}
3348	#endif	3530	#endif
3349		3531
3350	#if EV_FORK_ENABLE	3532	#if EV_FORK_ENABLE
…		…
3389	void	3571	void
3390	ev_async_start (EV_P_ ev_async *w)	3572	ev_async_start (EV_P_ ev_async *w)
3391	{	3573	{
3392	if (expect_false (ev_is_active (w)))	3574	if (expect_false (ev_is_active (w)))
3393	return;	3575	return;
		3576
		3577	w->sent = 0;
3394		3578
3395	evpipe_init (EV_A);	3579	evpipe_init (EV_A);
3396		3580
3397	EV_FREQUENT_CHECK;	3581	EV_FREQUENT_CHECK;
3398		3582
…		…
3476	{	3660	{
3477	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));	3661	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));
3478		3662
3479	if (expect_false (!once))	3663	if (expect_false (!once))
3480	{	3664	{
3481	cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg);	3665	cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMER, arg);
3482	return;	3666	return;
3483	}	3667	}
3484		3668
3485	once->cb = cb;	3669	once->cb = cb;
3486	once->arg = arg;	3670	once->arg = arg;
…		…
3573	if (types & EV_ASYNC)	3757	if (types & EV_ASYNC)
3574	for (i = asynccnt; i--; )	3758	for (i = asynccnt; i--; )
3575	cb (EV_A_ EV_ASYNC, asyncs [i]);	3759	cb (EV_A_ EV_ASYNC, asyncs [i]);
3576	#endif	3760	#endif
3577		3761
		3762	#if EV_PREPARE_ENABLE
3578	if (types & EV_PREPARE)	3763	if (types & EV_PREPARE)
3579	for (i = preparecnt; i--; )	3764	for (i = preparecnt; i--; )
3580	#if EV_EMBED_ENABLE	3765	# if EV_EMBED_ENABLE
3581	if (ev_cb (prepares [i]) != embed_prepare_cb)	3766	if (ev_cb (prepares [i]) != embed_prepare_cb)
3582	#endif	3767	# endif
3583	cb (EV_A_ EV_PREPARE, prepares [i]);	3768	cb (EV_A_ EV_PREPARE, prepares [i]);
		3769	#endif
3584		3770
		3771	#if EV_CHECK_ENABLE
3585	if (types & EV_CHECK)	3772	if (types & EV_CHECK)
3586	for (i = checkcnt; i--; )	3773	for (i = checkcnt; i--; )
3587	cb (EV_A_ EV_CHECK, checks [i]);	3774	cb (EV_A_ EV_CHECK, checks [i]);
		3775	#endif
3588		3776
		3777	#if EV_SIGNAL_ENABLE
3589	if (types & EV_SIGNAL)	3778	if (types & EV_SIGNAL)
3590	for (i = 0; i < EV_NSIG - 1; ++i)	3779	for (i = 0; i < EV_NSIG - 1; ++i)
3591	for (wl = signals [i].head; wl; )	3780	for (wl = signals [i].head; wl; )
3592	{	3781	{
3593	wn = wl->next;	3782	wn = wl->next;
3594	cb (EV_A_ EV_SIGNAL, wl);	3783	cb (EV_A_ EV_SIGNAL, wl);
3595	wl = wn;	3784	wl = wn;
3596	}	3785	}
		3786	#endif
3597		3787
		3788	#if EV_CHILD_ENABLE
3598	if (types & EV_CHILD)	3789	if (types & EV_CHILD)
3599	for (i = EV_PID_HASHSIZE; i--; )	3790	for (i = (EV_PID_HASHSIZE); i--; )
3600	for (wl = childs [i]; wl; )	3791	for (wl = childs [i]; wl; )
3601	{	3792	{
3602	wn = wl->next;	3793	wn = wl->next;
3603	cb (EV_A_ EV_CHILD, wl);	3794	cb (EV_A_ EV_CHILD, wl);
3604	wl = wn;	3795	wl = wn;
3605	}	3796	}
		3797	#endif
3606	/* EV_STAT 0x00001000 /* stat data changed */	3798	/* EV_STAT 0x00001000 /* stat data changed */
3607	/* EV_EMBED 0x00010000 /* embedded event loop needs sweep */	3799	/* EV_EMBED 0x00010000 /* embedded event loop needs sweep */
3608	}	3800	}
3609	#endif	3801	#endif
3610		3802
3611	#if EV_MULTIPLICITY	3803	#if EV_MULTIPLICITY
3612	#include "ev_wrap.h"	3804	#include "ev_wrap.h"
3613	#endif	3805	#endif
3614		3806
3615	#ifdef __cplusplus	3807	EV_CPP(})
3616	}
3617	#endif
3618		3808

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