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Comparing libev/ev.c (file contents):
Revision 1.309 by root, Sun Jul 26 04:24:17 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
…		…
386	# include <stdint.h>	402	# include <stdint.h>
387	# ifndef EFD_NONBLOCK	403	# ifndef EFD_NONBLOCK
388	# define EFD_NONBLOCK O_NONBLOCK	404	# define EFD_NONBLOCK O_NONBLOCK
389	# endif	405	# endif
390	# ifndef EFD_CLOEXEC	406	# ifndef EFD_CLOEXEC
		407	# ifdef O_CLOEXEC
391	# define EFD_CLOEXEC O_CLOEXEC	408	# define EFD_CLOEXEC O_CLOEXEC
		409	# else
		410	# define EFD_CLOEXEC 02000000
		411	# endif
392	# endif	412	# endif
393	# ifdef __cplusplus	413	EV_CPP(extern "C") int (eventfd) (unsigned int initval, int flags);
394	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
395	# endif	421	# endif
396	int eventfd (unsigned int initval, int flags);	422	# ifndef SFD_CLOEXEC
397	# ifdef __cplusplus	423	# ifdef O_CLOEXEC
398	}	424	# define SFD_CLOEXEC O_CLOEXEC
		425	# else
		426	# define SFD_CLOEXEC 02000000
		427	# endif
399	# endif	428	# endif
400	#endif	429	EV_CPP (extern "C") int signalfd (int fd, const sigset_t *mask, int flags);
401		430
402	#if EV_USE_SIGNALFD	431	struct signalfd_siginfo
403	# include <sys/signalfd.h>	432	{
		433	uint32_t ssi_signo;
		434	char pad[128 - sizeof (uint32_t)];
		435	};
404	#endif	436	#endif
405		437
406	/**/	438	/**/
407		439
408	#if EV_VERIFY >= 3	440	#if EV_VERIFY >= 3
409	# define EV_FREQUENT_CHECK ev_loop_verify (EV_A)	441	# define EV_FREQUENT_CHECK ev_verify (EV_A)
410	#else	442	#else
411	# define EV_FREQUENT_CHECK do { } while (0)	443	# define EV_FREQUENT_CHECK do { } while (0)
412	#endif	444	#endif
413		445
414	/*	446	/*
…		…
421	*/	453	*/
422	#define TIME_EPSILON 0.0001220703125 /* 1/8192 */	454	#define TIME_EPSILON 0.0001220703125 /* 1/8192 */
423		455
424	#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) */
425	#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) */
426	/*#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)
427		461
428	#if __GNUC__ >= 4	462	#if __GNUC__ >= 4
429	# define expect(expr,value) __builtin_expect ((expr),(value))	463	# define expect(expr,value) __builtin_expect ((expr),(value))
430	# define noinline __attribute__ ((noinline))	464	# define noinline __attribute__ ((noinline))
431	#else	465	#else
…		…
438		472
439	#define expect_false(expr) expect ((expr) != 0, 0)	473	#define expect_false(expr) expect ((expr) != 0, 0)
440	#define expect_true(expr) expect ((expr) != 0, 1)	474	#define expect_true(expr) expect ((expr) != 0, 1)
441	#define inline_size static inline	475	#define inline_size static inline
442		476
443	#if EV_MINIMAL	477	#if EV_FEATURE_CODE
		478	# define inline_speed static inline
		479	#else
444	# define inline_speed static noinline	480	# define inline_speed static noinline
445	#else
446	# define inline_speed static inline
447	#endif	481	#endif
448		482
449	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)	483	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
450		484
451	#if EV_MINPRI == EV_MAXPRI	485	#if EV_MINPRI == EV_MAXPRI
…		…
464	#define ev_active(w) ((W)(w))->active	498	#define ev_active(w) ((W)(w))->active
465	#define ev_at(w) ((WT)(w))->at	499	#define ev_at(w) ((WT)(w))->at
466		500
467	#if EV_USE_REALTIME	501	#if EV_USE_REALTIME
468	/* 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 */
469	/* giving it a reasonably high chance of working on typical architetcures */	503	/* giving it a reasonably high chance of working on typical architectures */
470	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? */
471	#endif	505	#endif
472		506
473	#if EV_USE_MONOTONIC	507	#if EV_USE_MONOTONIC
474	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? */
475	#endif	509	#endif
476		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
477	#ifdef _WIN32	521	#ifdef _WIN32
478	# include "ev_win32.c"	522	# include "ev_win32.c"
479	#endif	523	#endif
480		524
481	/*****************************************************************************/	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
482		576
483	static void (*syserr_cb)(const char *msg);	577	static void (*syserr_cb)(const char *msg);
484		578
485	void	579	void
486	ev_set_syserr_cb (void (*cb)(const char *msg))	580	ev_set_syserr_cb (void (*cb)(const char *msg))
…		…
496		590
497	if (syserr_cb)	591	if (syserr_cb)
498	syserr_cb (msg);	592	syserr_cb (msg);
499	else	593	else
500	{	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
501	perror (msg);	603	perror (msg);
		604	#endif
502	abort ();	605	abort ();
503	}	606	}
504	}	607	}
505		608
506	static void *	609	static void *
507	ev_realloc_emul (void *ptr, long size)	610	ev_realloc_emul (void *ptr, long size)
508	{	611	{
		612	#if __GLIBC__
		613	return realloc (ptr, size);
		614	#else
509	/* some systems, notably openbsd and darwin, fail to properly	615	/* some systems, notably openbsd and darwin, fail to properly
510	* 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
511	* the single unix specification, so work around them here.	617	* the single unix specification, so work around them here.
512	*/	618	*/
513		619
514	if (size)	620	if (size)
515	return realloc (ptr, size);	621	return realloc (ptr, size);
516		622
517	free (ptr);	623	free (ptr);
518	return 0;	624	return 0;
		625	#endif
519	}	626	}
520		627
521	static void *(*alloc)(void *ptr, long size) = ev_realloc_emul;	628	static void *(*alloc)(void *ptr, long size) = ev_realloc_emul;
522		629
523	void	630	void
…		…
531	{	638	{
532	ptr = alloc (ptr, size);	639	ptr = alloc (ptr, size);
533		640
534	if (!ptr && size)	641	if (!ptr && size)
535	{	642	{
		643	#if EV_AVOID_STDIO
		644	ev_printerr ("libev: memory allocation failed, aborting.\n");
		645	#else
536	fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size);	646	fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size);
		647	#endif
537	abort ();	648	abort ();
538	}	649	}
539		650
540	return ptr;	651	return ptr;
541	}	652	}
…		…
623		734
624	static int ev_default_loop_ptr;	735	static int ev_default_loop_ptr;
625		736
626	#endif	737	#endif
627		738
628	#if EV_MINIMAL < 2	739	#if EV_FEATURE_API
629	# 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)
630	# 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)
631	# define EV_INVOKE_PENDING invoke_cb (EV_A)	742	# define EV_INVOKE_PENDING invoke_cb (EV_A)
632	#else	743	#else
633	# define EV_RELEASE_CB (void)0	744	# define EV_RELEASE_CB (void)0
634	# define EV_ACQUIRE_CB (void)0	745	# define EV_ACQUIRE_CB (void)0
635	# define EV_INVOKE_PENDING ev_invoke_pending (EV_A)	746	# define EV_INVOKE_PENDING ev_invoke_pending (EV_A)
636	#endif	747	#endif
637		748
638	#define EVUNLOOP_RECURSE 0x80	749	#define EVBREAK_RECURSE 0x80
639		750
640	/*****************************************************************************/	751	/*****************************************************************************/
641		752
642	#ifndef EV_HAVE_EV_TIME	753	#ifndef EV_HAVE_EV_TIME
643	ev_tstamp	754	ev_tstamp
…		…
687	if (delay > 0.)	798	if (delay > 0.)
688	{	799	{
689	#if EV_USE_NANOSLEEP	800	#if EV_USE_NANOSLEEP
690	struct timespec ts;	801	struct timespec ts;
691		802
692	ts.tv_sec = (time_t)delay;	803	EV_TS_SET (ts, delay);
693	ts.tv_nsec = (long)((delay - (ev_tstamp)(ts.tv_sec)) * 1e9);
694
695	nanosleep (&ts, 0);	804	nanosleep (&ts, 0);
696	#elif defined(_WIN32)	805	#elif defined(_WIN32)
697	Sleep ((unsigned long)(delay * 1e3));	806	Sleep ((unsigned long)(delay * 1e3));
698	#else	807	#else
699	struct timeval tv;	808	struct timeval tv;
700		809
701	tv.tv_sec = (time_t)delay;
702	tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6);
703
704	/* 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 */
705	/* something not guaranteed by newer posix versions, but guaranteed */	811	/* something not guaranteed by newer posix versions, but guaranteed */
706	/* by older ones */	812	/* by older ones */
		813	EV_TV_SET (tv, delay);
707	select (0, 0, 0, 0, &tv);	814	select (0, 0, 0, 0, &tv);
708	#endif	815	#endif
709	}	816	}
710	}	817	}
711		818
712	/*****************************************************************************/	819	/*****************************************************************************/
713		820
714	#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 */
715		822
716	/* find a suitable new size for the given array, */	823	/* find a suitable new size for the given array, */
717	/* hopefully by rounding to a ncie-to-malloc size */	824	/* hopefully by rounding to a nice-to-malloc size */
718	inline_size int	825	inline_size int
719	array_nextsize (int elem, int cur, int cnt)	826	array_nextsize (int elem, int cur, int cnt)
720	{	827	{
721	int ncur = cur + 1;	828	int ncur = cur + 1;
722		829
…		…
818	}	925	}
819		926
820	/*****************************************************************************/	927	/*****************************************************************************/
821		928
822	inline_speed void	929	inline_speed void
823	fd_event_nc (EV_P_ int fd, int revents)	930	fd_event_nocheck (EV_P_ int fd, int revents)
824	{	931	{
825	ANFD *anfd = anfds + fd;	932	ANFD *anfd = anfds + fd;
826	ev_io *w;	933	ev_io *w;
827		934
828	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)
…		…
840	fd_event (EV_P_ int fd, int revents)	947	fd_event (EV_P_ int fd, int revents)
841	{	948	{
842	ANFD *anfd = anfds + fd;	949	ANFD *anfd = anfds + fd;
843		950
844	if (expect_true (!anfd->reify))	951	if (expect_true (!anfd->reify))
845	fd_event_nc (EV_A_ fd, revents);	952	fd_event_nocheck (EV_A_ fd, revents);
846	}	953	}
847		954
848	void	955	void
849	ev_feed_fd_event (EV_P_ int fd, int revents)	956	ev_feed_fd_event (EV_P_ int fd, int revents)
850	{	957	{
851	if (fd >= 0 && fd < anfdmax)	958	if (fd >= 0 && fd < anfdmax)
852	fd_event_nc (EV_A_ fd, revents);	959	fd_event_nocheck (EV_A_ fd, revents);
853	}	960	}
854		961
855	/* make sure the external fd watch events are in-sync */	962	/* make sure the external fd watch events are in-sync */
856	/* with the kernel/libev internal state */	963	/* with the kernel/libev internal state */
857	inline_size void	964	inline_size void
…		…
863	{	970	{
864	int fd = fdchanges [i];	971	int fd = fdchanges [i];
865	ANFD *anfd = anfds + fd;	972	ANFD *anfd = anfds + fd;
866	ev_io *w;	973	ev_io *w;
867		974
868	unsigned char events = 0;	975	unsigned char o_events = anfd->events;
		976	unsigned char o_reify = anfd->reify;
869		977
870	for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next)	978	anfd->reify = 0;
871	events |= (unsigned char)w->events;
872		979
873	#if EV_SELECT_IS_WINSOCKET	980	#if EV_SELECT_IS_WINSOCKET
874	if (events)	981	if (o_reify & EV__IOFDSET)
875	{	982	{
876	unsigned long arg;	983	unsigned long arg;
877	#ifdef EV_FD_TO_WIN32_HANDLE
878	anfd->handle = EV_FD_TO_WIN32_HANDLE (fd);	984	anfd->handle = EV_FD_TO_WIN32_HANDLE (fd);
879	#else
880	anfd->handle = _get_osfhandle (fd);
881	#endif
882	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));
883	}	986	}
884	#endif	987	#endif
885		988
		989	/*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */
886	{	990	{
887	unsigned char o_events = anfd->events;
888	unsigned char o_reify = anfd->reify;
889
890	anfd->reify = 0;
891	anfd->events = events;	991	anfd->events = 0;
892		992
893	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)
894	backend_modify (EV_A_ fd, o_events, events);	1001	backend_modify (EV_A_ fd, o_events, anfd->events);
895	}
896	}	1002	}
897		1003
898	fdchangecnt = 0;	1004	fdchangecnt = 0;
899	}	1005	}
900		1006
…		…
924	ev_io_stop (EV_A_ w);	1030	ev_io_stop (EV_A_ w);
925	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);
926	}	1032	}
927	}	1033	}
928		1034
929	/* check whether the given fd is atcually valid, for error recovery */	1035	/* check whether the given fd is actually valid, for error recovery */
930	inline_size int	1036	inline_size int
931	fd_valid (int fd)	1037	fd_valid (int fd)
932	{	1038	{
933	#ifdef _WIN32	1039	#ifdef _WIN32
934	return _get_osfhandle (fd) != -1;	1040	return EV_FD_TO_WIN32_HANDLE (fd) != -1;
935	#else	1041	#else
936	return fcntl (fd, F_GETFD) != -1;	1042	return fcntl (fd, F_GETFD) != -1;
937	#endif	1043	#endif
938	}	1044	}
939		1045
…		…
976	anfds [fd].emask = 0;	1082	anfds [fd].emask = 0;
977	fd_change (EV_A_ fd, EV__IOFDSET | EV_ANFD_REIFY);	1083	fd_change (EV_A_ fd, EV__IOFDSET | EV_ANFD_REIFY);
978	}	1084	}
979	}	1085	}
980		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
981	/*****************************************************************************/	1101	/*****************************************************************************/
982		1102
983	/*	1103	/*
984	* 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
985	* 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
986	* the branching factor of the d-tree.	1106	* the branching factor of the d-tree.
987	*/	1107	*/
988		1108
989	/*	1109	/*
…		…
1103		1223
1104	/* move an element suitably so it is in a correct place */	1224	/* move an element suitably so it is in a correct place */
1105	inline_size void	1225	inline_size void
1106	adjustheap (ANHE *heap, int N, int k)	1226	adjustheap (ANHE *heap, int N, int k)
1107	{	1227	{
1108	if (k > HEAP0 && ANHE_at (heap [HPARENT (k)]) >= ANHE_at (heap [k]))	1228	if (k > HEAP0 && ANHE_at (heap [k]) <= ANHE_at (heap [HPARENT (k)]))
1109	upheap (heap, k);	1229	upheap (heap, k);
1110	else	1230	else
1111	downheap (heap, N, k);	1231	downheap (heap, N, k);
1112	}	1232	}
1113		1233
…		…
1137		1257
1138	static ANSIG signals [EV_NSIG - 1];	1258	static ANSIG signals [EV_NSIG - 1];
1139		1259
1140	/*****************************************************************************/	1260	/*****************************************************************************/
1141		1261
1142	/* used to prepare libev internal fd's */	1262	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
1143	/* this is not fork-safe */
1144	inline_speed void
1145	fd_intern (int fd)
1146	{
1147	#ifdef _WIN32
1148	unsigned long arg = 1;
1149	ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg);
1150	#else
1151	fcntl (fd, F_SETFD, FD_CLOEXEC);
1152	fcntl (fd, F_SETFL, O_NONBLOCK);
1153	#endif
1154	}
1155		1263
1156	static void noinline	1264	static void noinline
1157	evpipe_init (EV_P)	1265	evpipe_init (EV_P)
1158	{	1266	{
1159	if (!ev_is_active (&pipe_w))	1267	if (!ev_is_active (&pipe_w))
1160	{	1268	{
1161	#if EV_USE_EVENTFD	1269	# if EV_USE_EVENTFD
1162	evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC);	1270	evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC);
1163	if (evfd < 0 && errno == EINVAL)	1271	if (evfd < 0 && errno == EINVAL)
1164	evfd = eventfd (0, 0);	1272	evfd = eventfd (0, 0);
1165		1273
1166	if (evfd >= 0)	1274	if (evfd >= 0)
…		…
1168	evpipe [0] = -1;	1276	evpipe [0] = -1;
1169	fd_intern (evfd); /* doing it twice doesn't hurt */	1277	fd_intern (evfd); /* doing it twice doesn't hurt */
1170	ev_io_set (&pipe_w, evfd, EV_READ);	1278	ev_io_set (&pipe_w, evfd, EV_READ);
1171	}	1279	}
1172	else	1280	else
1173	#endif	1281	# endif
1174	{	1282	{
1175	while (pipe (evpipe))	1283	while (pipe (evpipe))
1176	ev_syserr ("(libev) error creating signal/async pipe");	1284	ev_syserr ("(libev) error creating signal/async pipe");
1177		1285
1178	fd_intern (evpipe [0]);	1286	fd_intern (evpipe [0]);
…		…
1189	evpipe_write (EV_P_ EV_ATOMIC_T *flag)	1297	evpipe_write (EV_P_ EV_ATOMIC_T *flag)
1190	{	1298	{
1191	if (!*flag)	1299	if (!*flag)
1192	{	1300	{
1193	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;
1194		1303
1195	*flag = 1;	1304	*flag = 1;
1196		1305
1197	#if EV_USE_EVENTFD	1306	#if EV_USE_EVENTFD
1198	if (evfd >= 0)	1307	if (evfd >= 0)
…		…
1200	uint64_t counter = 1;	1309	uint64_t counter = 1;
1201	write (evfd, &counter, sizeof (uint64_t));	1310	write (evfd, &counter, sizeof (uint64_t));
1202	}	1311	}
1203	else	1312	else
1204	#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. */
1205	write (evpipe [1], &old_errno, 1);	1319	write (evpipe [1], &dummy, 1);
1206		1320
1207	errno = old_errno;	1321	errno = old_errno;
1208	}	1322	}
1209	}	1323	}
1210		1324
…		…
1223	}	1337	}
1224	else	1338	else
1225	#endif	1339	#endif
1226	{	1340	{
1227	char dummy;	1341	char dummy;
		1342	/* see discussion in evpipe_write when you think this read should be recv in win32 */
1228	read (evpipe [0], &dummy, 1);	1343	read (evpipe [0], &dummy, 1);
1229	}	1344	}
1230		1345
1231	if (sig_pending)	1346	if (sig_pending)
1232	{	1347	{
…		…
1259	{	1374	{
1260	#if EV_MULTIPLICITY	1375	#if EV_MULTIPLICITY
1261	EV_P = signals [signum - 1].loop;	1376	EV_P = signals [signum - 1].loop;
1262	#endif	1377	#endif
1263		1378
1264	#if _WIN32	1379	#ifdef _WIN32
1265	signal (signum, ev_sighandler);	1380	signal (signum, ev_sighandler);
1266	#endif	1381	#endif
1267		1382
1268	signals [signum - 1].pending = 1;	1383	signals [signum - 1].pending = 1;
1269	evpipe_write (EV_A_ &sig_pending);	1384	evpipe_write (EV_A_ &sig_pending);
…		…
1311	break;	1426	break;
1312	}	1427	}
1313	}	1428	}
1314	#endif	1429	#endif
1315		1430
		1431	#endif
		1432
1316	/*****************************************************************************/	1433	/*****************************************************************************/
1317		1434
		1435	#if EV_CHILD_ENABLE
1318	static WL childs [EV_PID_HASHSIZE];	1436	static WL childs [EV_PID_HASHSIZE];
1319
1320	#ifndef _WIN32
1321		1437
1322	static ev_signal childev;	1438	static ev_signal childev;
1323		1439
1324	#ifndef WIFCONTINUED	1440	#ifndef WIFCONTINUED
1325	# define WIFCONTINUED(status) 0	1441	# define WIFCONTINUED(status) 0
…		…
1330	child_reap (EV_P_ int chain, int pid, int status)	1446	child_reap (EV_P_ int chain, int pid, int status)
1331	{	1447	{
1332	ev_child *w;	1448	ev_child *w;
1333	int traced = WIFSTOPPED (status) || WIFCONTINUED (status);	1449	int traced = WIFSTOPPED (status) || WIFCONTINUED (status);
1334		1450
1335	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)
1336	{	1452	{
1337	if ((w->pid == pid || !w->pid)	1453	if ((w->pid == pid || !w->pid)
1338	&& (!traced || (w->flags & 1)))	1454	&& (!traced || (w->flags & 1)))
1339	{	1455	{
1340	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 */
…		…
1365	/* 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 */
1366	/* 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 */
1367	ev_feed_event (EV_A_ (W)sw, EV_SIGNAL);	1483	ev_feed_event (EV_A_ (W)sw, EV_SIGNAL);
1368		1484
1369	child_reap (EV_A_ pid, pid, status);	1485	child_reap (EV_A_ pid, pid, status);
1370	if (EV_PID_HASHSIZE > 1)	1486	if ((EV_PID_HASHSIZE) > 1)
1371	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 */
1372	}	1488	}
1373		1489
1374	#endif	1490	#endif
1375		1491
…		…
1442	#ifdef __APPLE__	1558	#ifdef __APPLE__
1443	/* only select works correctly on that "unix-certified" platform */	1559	/* only select works correctly on that "unix-certified" platform */
1444	flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */	1560	flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */
1445	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 */
1446	#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
1447		1566
1448	return flags;	1567	return flags;
1449	}	1568	}
1450		1569
1451	unsigned int	1570	unsigned int
1452	ev_embeddable_backends (void)	1571	ev_embeddable_backends (void)
1453	{	1572	{
1454	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;	1573	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
1455		1574
1456	/* 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 */
1457	/* please fix it and tell me how to detect the fix */	1576	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
1458	flags &= ~EVBACKEND_EPOLL;	1577	flags &= ~EVBACKEND_EPOLL;
1459		1578
1460	return flags;	1579	return flags;
1461	}	1580	}
1462		1581
1463	unsigned int	1582	unsigned int
1464	ev_backend (EV_P)	1583	ev_backend (EV_P)
1465	{	1584	{
1466	return backend;	1585	return backend;
1467	}	1586	}
1468		1587
1469	#if EV_MINIMAL < 2	1588	#if EV_FEATURE_API
1470	unsigned int	1589	unsigned int
1471	ev_loop_count (EV_P)	1590	ev_iteration (EV_P)
1472	{	1591	{
1473	return loop_count;	1592	return loop_count;
1474	}	1593	}
1475		1594
1476	unsigned int	1595	unsigned int
1477	ev_loop_depth (EV_P)	1596	ev_depth (EV_P)
1478	{	1597	{
1479	return loop_depth;	1598	return loop_depth;
1480	}	1599	}
1481		1600
1482	void	1601	void
…		…
1554		1673
1555	ev_rt_now = ev_time ();	1674	ev_rt_now = ev_time ();
1556	mn_now = get_clock ();	1675	mn_now = get_clock ();
1557	now_floor = mn_now;	1676	now_floor = mn_now;
1558	rtmn_diff = ev_rt_now - mn_now;	1677	rtmn_diff = ev_rt_now - mn_now;
1559	#if EV_MINIMAL < 2	1678	#if EV_FEATURE_API
1560	invoke_cb = ev_invoke_pending;	1679	invoke_cb = ev_invoke_pending;
1561	#endif	1680	#endif
1562		1681
1563	io_blocktime = 0.;	1682	io_blocktime = 0.;
1564	timeout_blocktime = 0.;	1683	timeout_blocktime = 0.;
…		…
1570	#endif	1689	#endif
1571	#if EV_USE_INOTIFY	1690	#if EV_USE_INOTIFY
1572	fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;	1691	fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;
1573	#endif	1692	#endif
1574	#if EV_USE_SIGNALFD	1693	#if EV_USE_SIGNALFD
1575	sigfd = flags & EVFLAG_NOSIGFD ? -1 : -2;	1694	sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;
1576	#endif	1695	#endif
1577		1696
1578	if (!(flags & 0x0000ffffU))	1697	if (!(flags & 0x0000ffffU))
1579	flags |= ev_recommended_backends ();	1698	flags |= ev_recommended_backends ();
1580		1699
…		…
1594	if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags);	1713	if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags);
1595	#endif	1714	#endif
1596		1715
1597	ev_prepare_init (&pending_w, pendingcb);	1716	ev_prepare_init (&pending_w, pendingcb);
1598		1717
		1718	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
1599	ev_init (&pipe_w, pipecb);	1719	ev_init (&pipe_w, pipecb);
1600	ev_set_priority (&pipe_w, EV_MAXPRI);	1720	ev_set_priority (&pipe_w, EV_MAXPRI);
		1721	#endif
1601	}	1722	}
1602	}	1723	}
1603		1724
1604	/* free up a loop structure */	1725	/* free up a loop structure */
1605	static void noinline	1726	static void noinline
…		…
1617	close (evfd);	1738	close (evfd);
1618	#endif	1739	#endif
1619		1740
1620	if (evpipe [0] >= 0)	1741	if (evpipe [0] >= 0)
1621	{	1742	{
1622	close (evpipe [0]);	1743	EV_WIN32_CLOSE_FD (evpipe [0]);
1623	close (evpipe [1]);	1744	EV_WIN32_CLOSE_FD (evpipe [1]);
1624	}	1745	}
1625	}	1746	}
1626		1747
1627	#if EV_USE_SIGNALFD	1748	#if EV_USE_SIGNALFD
1628	if (ev_is_active (&sigfd_w))	1749	if (ev_is_active (&sigfd_w))
1629	{
1630	/*ev_ref (EV_A);*/
1631	/*ev_io_stop (EV_A_ &sigfd_w);*/
1632
1633	close (sigfd);	1750	close (sigfd);
1634	}
1635	#endif	1751	#endif
1636		1752
1637	#if EV_USE_INOTIFY	1753	#if EV_USE_INOTIFY
1638	if (fs_fd >= 0)	1754	if (fs_fd >= 0)
1639	close (fs_fd);	1755	close (fs_fd);
…		…
1724	close (evfd);	1840	close (evfd);
1725	#endif	1841	#endif
1726		1842
1727	if (evpipe [0] >= 0)	1843	if (evpipe [0] >= 0)
1728	{	1844	{
1729	close (evpipe [0]);	1845	EV_WIN32_CLOSE_FD (evpipe [0]);
1730	close (evpipe [1]);	1846	EV_WIN32_CLOSE_FD (evpipe [1]);
1731	}	1847	}
1732		1848
		1849	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
1733	evpipe_init (EV_A);	1850	evpipe_init (EV_A);
1734	/* now iterate over everything, in case we missed something */	1851	/* now iterate over everything, in case we missed something */
1735	pipecb (EV_A_ &pipe_w, EV_READ);	1852	pipecb (EV_A_ &pipe_w, EV_READ);
		1853	#endif
1736	}	1854	}
1737		1855
1738	postfork = 0;	1856	postfork = 0;
1739	}	1857	}
1740		1858
…		…
1802	verify_watcher (EV_A_ ws [cnt]);	1920	verify_watcher (EV_A_ ws [cnt]);
1803	}	1921	}
1804	}	1922	}
1805	#endif	1923	#endif
1806		1924
1807	#if EV_MINIMAL < 2	1925	#if EV_FEATURE_API
1808	void	1926	void
1809	ev_loop_verify (EV_P)	1927	ev_verify (EV_P)
1810	{	1928	{
1811	#if EV_VERIFY	1929	#if EV_VERIFY
1812	int i;	1930	int i;
1813	WL w;	1931	WL w;
1814		1932
…		…
1853	#if EV_ASYNC_ENABLE	1971	#if EV_ASYNC_ENABLE
1854	assert (asyncmax >= asynccnt);	1972	assert (asyncmax >= asynccnt);
1855	array_verify (EV_A_ (W *)asyncs, asynccnt);	1973	array_verify (EV_A_ (W *)asyncs, asynccnt);
1856	#endif	1974	#endif
1857		1975
		1976	#if EV_PREPARE_ENABLE
1858	assert (preparemax >= preparecnt);	1977	assert (preparemax >= preparecnt);
1859	array_verify (EV_A_ (W *)prepares, preparecnt);	1978	array_verify (EV_A_ (W *)prepares, preparecnt);
		1979	#endif
1860		1980
		1981	#if EV_CHECK_ENABLE
1861	assert (checkmax >= checkcnt);	1982	assert (checkmax >= checkcnt);
1862	array_verify (EV_A_ (W *)checks, checkcnt);	1983	array_verify (EV_A_ (W *)checks, checkcnt);
		1984	#endif
1863		1985
1864	# if 0	1986	# if 0
		1987	#if EV_CHILD_ENABLE
1865	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)
1866	for (signum = EV_NSIG; signum--; ) if (signals [signum].pending)	1989	for (signum = EV_NSIG; signum--; ) if (signals [signum].pending)
		1990	#endif
1867	# endif	1991	# endif
1868	#endif	1992	#endif
1869	}	1993	}
1870	#endif	1994	#endif
1871		1995
…		…
1887		2011
1888	loop_init (EV_A_ flags);	2012	loop_init (EV_A_ flags);
1889		2013
1890	if (ev_backend (EV_A))	2014	if (ev_backend (EV_A))
1891	{	2015	{
1892	#ifndef _WIN32	2016	#if EV_CHILD_ENABLE
1893	ev_signal_init (&childev, childcb, SIGCHLD);	2017	ev_signal_init (&childev, childcb, SIGCHLD);
1894	ev_set_priority (&childev, EV_MAXPRI);	2018	ev_set_priority (&childev, EV_MAXPRI);
1895	ev_signal_start (EV_A_ &childev);	2019	ev_signal_start (EV_A_ &childev);
1896	ev_unref (EV_A); /* child watcher should not keep loop alive */	2020	ev_unref (EV_A); /* child watcher should not keep loop alive */
1897	#endif	2021	#endif
…		…
1910	EV_P = ev_default_loop_ptr;	2034	EV_P = ev_default_loop_ptr;
1911	#endif	2035	#endif
1912		2036
1913	ev_default_loop_ptr = 0;	2037	ev_default_loop_ptr = 0;
1914		2038
1915	#ifndef _WIN32	2039	#if EV_CHILD_ENABLE
1916	ev_ref (EV_A); /* child watcher */	2040	ev_ref (EV_A); /* child watcher */
1917	ev_signal_stop (EV_A_ &childev);	2041	ev_signal_stop (EV_A_ &childev);
1918	#endif	2042	#endif
1919		2043
1920	loop_destroy (EV_A);	2044	loop_destroy (EV_A);
…		…
2026	EV_FREQUENT_CHECK;	2150	EV_FREQUENT_CHECK;
2027	feed_reverse (EV_A_ (W)w);	2151	feed_reverse (EV_A_ (W)w);
2028	}	2152	}
2029	while (timercnt && ANHE_at (timers [HEAP0]) < mn_now);	2153	while (timercnt && ANHE_at (timers [HEAP0]) < mn_now);
2030		2154
2031	feed_reverse_done (EV_A_ EV_TIMEOUT);	2155	feed_reverse_done (EV_A_ EV_TIMER);
2032	}	2156	}
2033	}	2157	}
2034		2158
2035	#if EV_PERIODIC_ENABLE	2159	#if EV_PERIODIC_ENABLE
2036	/* make periodics pending */	2160	/* make periodics pending */
…		…
2089	feed_reverse_done (EV_A_ EV_PERIODIC);	2213	feed_reverse_done (EV_A_ EV_PERIODIC);
2090	}	2214	}
2091	}	2215	}
2092		2216
2093	/* simply recalculate all periodics */	2217	/* simply recalculate all periodics */
2094	/* 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? */
2095	static void noinline	2219	static void noinline
2096	periodics_reschedule (EV_P)	2220	periodics_reschedule (EV_P)
2097	{	2221	{
2098	int i;	2222	int i;
2099		2223
…		…
2127	ANHE_at_cache (*he);	2251	ANHE_at_cache (*he);
2128	}	2252	}
2129	}	2253	}
2130		2254
2131	/* fetch new monotonic and realtime times from the kernel */	2255	/* fetch new monotonic and realtime times from the kernel */
2132	/* also detetc if there was a timejump, and act accordingly */	2256	/* also detect if there was a timejump, and act accordingly */
2133	inline_speed void	2257	inline_speed void
2134	time_update (EV_P_ ev_tstamp max_block)	2258	time_update (EV_P_ ev_tstamp max_block)
2135	{	2259	{
2136	#if EV_USE_MONOTONIC	2260	#if EV_USE_MONOTONIC
2137	if (expect_true (have_monotonic))	2261	if (expect_true (have_monotonic))
…		…
2195	mn_now = ev_rt_now;	2319	mn_now = ev_rt_now;
2196	}	2320	}
2197	}	2321	}
2198		2322
2199	void	2323	void
2200	ev_loop (EV_P_ int flags)	2324	ev_run (EV_P_ int flags)
2201	{	2325	{
2202	#if EV_MINIMAL < 2	2326	#if EV_FEATURE_API
2203	++loop_depth;	2327	++loop_depth;
2204	#endif	2328	#endif
2205		2329
2206	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));
2207		2331
2208	loop_done = EVUNLOOP_CANCEL;	2332	loop_done = EVBREAK_CANCEL;
2209		2333
2210	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 */
2211		2335
2212	do	2336	do
2213	{	2337	{
2214	#if EV_VERIFY >= 2	2338	#if EV_VERIFY >= 2
2215	ev_loop_verify (EV_A);	2339	ev_verify (EV_A);
2216	#endif	2340	#endif
2217		2341
2218	#ifndef _WIN32	2342	#ifndef _WIN32
2219	if (expect_false (curpid)) /* penalise the forking check even more */	2343	if (expect_false (curpid)) /* penalise the forking check even more */
2220	if (expect_false (getpid () != curpid))	2344	if (expect_false (getpid () != curpid))
…		…
2232	queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);	2356	queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);
2233	EV_INVOKE_PENDING;	2357	EV_INVOKE_PENDING;
2234	}	2358	}
2235	#endif	2359	#endif
2236		2360
		2361	#if EV_PREPARE_ENABLE
2237	/* queue prepare watchers (and execute them) */	2362	/* queue prepare watchers (and execute them) */
2238	if (expect_false (preparecnt))	2363	if (expect_false (preparecnt))
2239	{	2364	{
2240	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);	2365	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
2241	EV_INVOKE_PENDING;	2366	EV_INVOKE_PENDING;
2242	}	2367	}
		2368	#endif
2243		2369
2244	if (expect_false (loop_done))	2370	if (expect_false (loop_done))
2245	break;	2371	break;
2246		2372
2247	/* we might have forked, so reify kernel state if necessary */	2373	/* we might have forked, so reify kernel state if necessary */
…		…
2254	/* calculate blocking time */	2380	/* calculate blocking time */
2255	{	2381	{
2256	ev_tstamp waittime = 0.;	2382	ev_tstamp waittime = 0.;
2257	ev_tstamp sleeptime = 0.;	2383	ev_tstamp sleeptime = 0.;
2258		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
2259	if (expect_true (!(flags & EVLOOP_NONBLOCK || idleall || !activecnt)))	2391	if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt)))
2260	{	2392	{
2261	/* remember old timestamp for io_blocktime calculation */
2262	ev_tstamp prev_mn_now = mn_now;
2263
2264	/* update time to cancel out callback processing overhead */
2265	time_update (EV_A_ 1e100);
2266
2267	waittime = MAX_BLOCKTIME;	2393	waittime = MAX_BLOCKTIME;
2268		2394
2269	if (timercnt)	2395	if (timercnt)
2270	{	2396	{
2271	ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge;	2397	ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge;
…		…
2298	waittime -= sleeptime;	2424	waittime -= sleeptime;
2299	}	2425	}
2300	}	2426	}
2301	}	2427	}
2302		2428
2303	#if EV_MINIMAL < 2	2429	#if EV_FEATURE_API
2304	++loop_count;	2430	++loop_count;
2305	#endif	2431	#endif
2306	assert ((loop_done = EVUNLOOP_RECURSE, 1)); /* assert for side effect */	2432	assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */
2307	backend_poll (EV_A_ waittime);	2433	backend_poll (EV_A_ waittime);
2308	assert ((loop_done = EVUNLOOP_CANCEL, 1)); /* assert for side effect */	2434	assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */
2309		2435
2310	/* update ev_rt_now, do magic */	2436	/* update ev_rt_now, do magic */
2311	time_update (EV_A_ waittime + sleeptime);	2437	time_update (EV_A_ waittime + sleeptime);
2312	}	2438	}
2313		2439
…		…
2320	#if EV_IDLE_ENABLE	2446	#if EV_IDLE_ENABLE
2321	/* queue idle watchers unless other events are pending */	2447	/* queue idle watchers unless other events are pending */
2322	idle_reify (EV_A);	2448	idle_reify (EV_A);
2323	#endif	2449	#endif
2324		2450
		2451	#if EV_CHECK_ENABLE
2325	/* queue check watchers, to be executed first */	2452	/* queue check watchers, to be executed first */
2326	if (expect_false (checkcnt))	2453	if (expect_false (checkcnt))
2327	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);	2454	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
		2455	#endif
2328		2456
2329	EV_INVOKE_PENDING;	2457	EV_INVOKE_PENDING;
2330	}	2458	}
2331	while (expect_true (	2459	while (expect_true (
2332	activecnt	2460	activecnt
2333	&& !loop_done	2461	&& !loop_done
2334	&& !(flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK))	2462	&& !(flags & (EVRUN_ONCE | EVRUN_NOWAIT))
2335	));	2463	));
2336		2464
2337	if (loop_done == EVUNLOOP_ONE)	2465	if (loop_done == EVBREAK_ONE)
2338	loop_done = EVUNLOOP_CANCEL;	2466	loop_done = EVBREAK_CANCEL;
2339		2467
2340	#if EV_MINIMAL < 2	2468	#if EV_FEATURE_API
2341	--loop_depth;	2469	--loop_depth;
2342	#endif	2470	#endif
2343	}	2471	}
2344		2472
2345	void	2473	void
2346	ev_unloop (EV_P_ int how)	2474	ev_break (EV_P_ int how)
2347	{	2475	{
2348	loop_done = how;	2476	loop_done = how;
2349	}	2477	}
2350		2478
2351	void	2479	void
…		…
2471		2599
2472	if (expect_false (ev_is_active (w)))	2600	if (expect_false (ev_is_active (w)))
2473	return;	2601	return;
2474		2602
2475	assert (("libev: ev_io_start called with negative fd", fd >= 0));	2603	assert (("libev: ev_io_start called with negative fd", fd >= 0));
2476	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))));
2477		2605
2478	EV_FREQUENT_CHECK;	2606	EV_FREQUENT_CHECK;
2479		2607
2480	ev_start (EV_A_ (W)w, 1);	2608	ev_start (EV_A_ (W)w, 1);
2481	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);	2609	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);
…		…
2499	EV_FREQUENT_CHECK;	2627	EV_FREQUENT_CHECK;
2500		2628
2501	wlist_del (&anfds[w->fd].head, (WL)w);	2629	wlist_del (&anfds[w->fd].head, (WL)w);
2502	ev_stop (EV_A_ (W)w);	2630	ev_stop (EV_A_ (W)w);
2503		2631
2504	fd_change (EV_A_ w->fd, 1);	2632	fd_change (EV_A_ w->fd, EV_ANFD_REIFY);
2505		2633
2506	EV_FREQUENT_CHECK;	2634	EV_FREQUENT_CHECK;
2507	}	2635	}
2508		2636
2509	void noinline	2637	void noinline
…		…
2551	timers [active] = timers [timercnt + HEAP0];	2679	timers [active] = timers [timercnt + HEAP0];
2552	adjustheap (timers, timercnt, active);	2680	adjustheap (timers, timercnt, active);
2553	}	2681	}
2554	}	2682	}
2555		2683
2556	EV_FREQUENT_CHECK;
2557
2558	ev_at (w) -= mn_now;	2684	ev_at (w) -= mn_now;
2559		2685
2560	ev_stop (EV_A_ (W)w);	2686	ev_stop (EV_A_ (W)w);
		2687
		2688	EV_FREQUENT_CHECK;
2561	}	2689	}
2562		2690
2563	void noinline	2691	void noinline
2564	ev_timer_again (EV_P_ ev_timer *w)	2692	ev_timer_again (EV_P_ ev_timer *w)
2565	{	2693	{
…		…
2644	periodics [active] = periodics [periodiccnt + HEAP0];	2772	periodics [active] = periodics [periodiccnt + HEAP0];
2645	adjustheap (periodics, periodiccnt, active);	2773	adjustheap (periodics, periodiccnt, active);
2646	}	2774	}
2647	}	2775	}
2648		2776
2649	EV_FREQUENT_CHECK;
2650
2651	ev_stop (EV_A_ (W)w);	2777	ev_stop (EV_A_ (W)w);
		2778
		2779	EV_FREQUENT_CHECK;
2652	}	2780	}
2653		2781
2654	void noinline	2782	void noinline
2655	ev_periodic_again (EV_P_ ev_periodic *w)	2783	ev_periodic_again (EV_P_ ev_periodic *w)
2656	{	2784	{
…		…
2661	#endif	2789	#endif
2662		2790
2663	#ifndef SA_RESTART	2791	#ifndef SA_RESTART
2664	# define SA_RESTART 0	2792	# define SA_RESTART 0
2665	#endif	2793	#endif
		2794
		2795	#if EV_SIGNAL_ENABLE
2666		2796
2667	void noinline	2797	void noinline
2668	ev_signal_start (EV_P_ ev_signal *w)	2798	ev_signal_start (EV_P_ ev_signal *w)
2669	{	2799	{
2670	if (expect_false (ev_is_active (w)))	2800	if (expect_false (ev_is_active (w)))
…		…
2717	if (!((WL)w)->next)	2847	if (!((WL)w)->next)
2718	# if EV_USE_SIGNALFD	2848	# if EV_USE_SIGNALFD
2719	if (sigfd < 0) /*TODO*/	2849	if (sigfd < 0) /*TODO*/
2720	# endif	2850	# endif
2721	{	2851	{
2722	# if _WIN32	2852	# ifdef _WIN32
		2853	evpipe_init (EV_A);
		2854
2723	signal (w->signum, ev_sighandler);	2855	signal (w->signum, ev_sighandler);
2724	# else	2856	# else
2725	struct sigaction sa;	2857	struct sigaction sa;
2726		2858
2727	evpipe_init (EV_A);	2859	evpipe_init (EV_A);
…		…
2758	signals [w->signum - 1].loop = 0; /* unattach from signal */	2890	signals [w->signum - 1].loop = 0; /* unattach from signal */
2759	#endif	2891	#endif
2760	#if EV_USE_SIGNALFD	2892	#if EV_USE_SIGNALFD
2761	if (sigfd >= 0)	2893	if (sigfd >= 0)
2762	{	2894	{
2763	sigprocmask (SIG_UNBLOCK, &sigfd_set, 0);//D	2895	sigset_t ss;
		2896
		2897	sigemptyset (&ss);
		2898	sigaddset (&ss, w->signum);
2764	sigdelset (&sigfd_set, w->signum);	2899	sigdelset (&sigfd_set, w->signum);
		2900
2765	signalfd (sigfd, &sigfd_set, 0);	2901	signalfd (sigfd, &sigfd_set, 0);
2766	sigprocmask (SIG_BLOCK, &sigfd_set, 0);//D	2902	sigprocmask (SIG_UNBLOCK, &ss, 0);
2767	/*TODO: maybe unblock signal? */
2768	}	2903	}
2769	else	2904	else
2770	#endif	2905	#endif
2771	signal (w->signum, SIG_DFL);	2906	signal (w->signum, SIG_DFL);
2772	}	2907	}
2773		2908
2774	EV_FREQUENT_CHECK;	2909	EV_FREQUENT_CHECK;
2775	}	2910	}
2776		2911
		2912	#endif
		2913
		2914	#if EV_CHILD_ENABLE
		2915
2777	void	2916	void
2778	ev_child_start (EV_P_ ev_child *w)	2917	ev_child_start (EV_P_ ev_child *w)
2779	{	2918	{
2780	#if EV_MULTIPLICITY	2919	#if EV_MULTIPLICITY
2781	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));
…		…
2784	return;	2923	return;
2785		2924
2786	EV_FREQUENT_CHECK;	2925	EV_FREQUENT_CHECK;
2787		2926
2788	ev_start (EV_A_ (W)w, 1);	2927	ev_start (EV_A_ (W)w, 1);
2789	wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);	2928	wlist_add (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w);
2790		2929
2791	EV_FREQUENT_CHECK;	2930	EV_FREQUENT_CHECK;
2792	}	2931	}
2793		2932
2794	void	2933	void
…		…
2798	if (expect_false (!ev_is_active (w)))	2937	if (expect_false (!ev_is_active (w)))
2799	return;	2938	return;
2800		2939
2801	EV_FREQUENT_CHECK;	2940	EV_FREQUENT_CHECK;
2802		2941
2803	wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);	2942	wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w);
2804	ev_stop (EV_A_ (W)w);	2943	ev_stop (EV_A_ (W)w);
2805		2944
2806	EV_FREQUENT_CHECK;	2945	EV_FREQUENT_CHECK;
2807	}	2946	}
		2947
		2948	#endif
2808		2949
2809	#if EV_STAT_ENABLE	2950	#if EV_STAT_ENABLE
2810		2951
2811	# ifdef _WIN32	2952	# ifdef _WIN32
2812	# undef lstat	2953	# undef lstat
…		…
2818	#define MIN_STAT_INTERVAL 0.1074891	2959	#define MIN_STAT_INTERVAL 0.1074891
2819		2960
2820	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);
2821		2962
2822	#if EV_USE_INOTIFY	2963	#if EV_USE_INOTIFY
2823	# 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)
2824		2967
2825	static void noinline	2968	static void noinline
2826	infy_add (EV_P_ ev_stat *w)	2969	infy_add (EV_P_ ev_stat *w)
2827	{	2970	{
2828	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);
2829		2972
2830	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 */
2831	{	2993	}
		2994	else
		2995	{
		2996	/* can't use inotify, continue to stat */
2832	w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;	2997	w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;
2833	ev_timer_again (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */
2834		2998
2835	/* monitor some parent directory for speedup hints */	2999	/* if path is not there, monitor some parent directory for speedup hints */
2836	/* 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, */
2837	/* but an efficiency issue only */	3001	/* but an efficiency issue only */
2838	if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096)	3002	if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096)
2839	{	3003	{
2840	char path [4096];	3004	char path [4096];
…		…
2856	while (w->wd < 0 && (errno == ENOENT || errno == EACCES));	3020	while (w->wd < 0 && (errno == ENOENT || errno == EACCES));
2857	}	3021	}
2858	}	3022	}
2859		3023
2860	if (w->wd >= 0)	3024	if (w->wd >= 0)
2861	{
2862	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);
2863		3026
2864	/* now local changes will be tracked by inotify, but remote changes won't */	3027	/* now re-arm timer, if required */
2865	/* unless the filesystem it known to be local, we therefore still poll */	3028	if (ev_is_active (&w->timer)) ev_ref (EV_A);
2866	/* also do poll on <2.6.25, but with normal frequency */
2867	struct statfs sfs;
2868
2869	if (fs_2625 && !statfs (w->path, &sfs))
2870	if (sfs.f_type == 0x1373 /* devfs */
2871	|| sfs.f_type == 0xEF53 /* ext2/3 */
2872	|| sfs.f_type == 0x3153464a /* jfs */
2873	|| sfs.f_type == 0x52654973 /* reiser3 */
2874	|| sfs.f_type == 0x01021994 /* tempfs */
2875	|| sfs.f_type == 0x58465342 /* xfs */)
2876	return;
2877
2878	w->timer.repeat = w->interval ? w->interval : fs_2625 ? NFS_STAT_INTERVAL : DEF_STAT_INTERVAL;
2879	ev_timer_again (EV_A_ &w->timer);	3029	ev_timer_again (EV_A_ &w->timer);
2880	}	3030	if (ev_is_active (&w->timer)) ev_unref (EV_A);
2881	}	3031	}
2882		3032
2883	static void noinline	3033	static void noinline
2884	infy_del (EV_P_ ev_stat *w)	3034	infy_del (EV_P_ ev_stat *w)
2885	{	3035	{
…		…
2888		3038
2889	if (wd < 0)	3039	if (wd < 0)
2890	return;	3040	return;
2891		3041
2892	w->wd = -2;	3042	w->wd = -2;
2893	slot = wd & (EV_INOTIFY_HASHSIZE - 1);	3043	slot = wd & ((EV_INOTIFY_HASHSIZE) - 1);
2894	wlist_del (&fs_hash [slot].head, (WL)w);	3044	wlist_del (&fs_hash [slot].head, (WL)w);
2895		3045
2896	/* remove this watcher, if others are watching it, they will rearm */	3046	/* remove this watcher, if others are watching it, they will rearm */
2897	inotify_rm_watch (fs_fd, wd);	3047	inotify_rm_watch (fs_fd, wd);
2898	}	3048	}
…		…
2900	static void noinline	3050	static void noinline
2901	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)
2902	{	3052	{
2903	if (slot < 0)	3053	if (slot < 0)
2904	/* overflow, need to check for all hash slots */	3054	/* overflow, need to check for all hash slots */
2905	for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot)	3055	for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)
2906	infy_wd (EV_A_ slot, wd, ev);	3056	infy_wd (EV_A_ slot, wd, ev);
2907	else	3057	else
2908	{	3058	{
2909	WL w_;	3059	WL w_;
2910		3060
2911	for (w_ = fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head; w_; )	3061	for (w_ = fs_hash [slot & ((EV_INOTIFY_HASHSIZE) - 1)].head; w_; )
2912	{	3062	{
2913	ev_stat *w = (ev_stat *)w_;	3063	ev_stat *w = (ev_stat *)w_;
2914	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 */
2915		3065
2916	if (w->wd == wd || wd == -1)	3066	if (w->wd == wd || wd == -1)
2917	{	3067	{
2918	if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF))	3068	if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF))
2919	{	3069	{
2920	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);
2921	w->wd = -1;	3071	w->wd = -1;
2922	infy_add (EV_A_ w); /* re-add, no matter what */	3072	infy_add (EV_A_ w); /* re-add, no matter what */
2923	}	3073	}
2924		3074
2925	stat_timer_cb (EV_A_ &w->timer, 0);	3075	stat_timer_cb (EV_A_ &w->timer, 0);
…		…
2930		3080
2931	static void	3081	static void
2932	infy_cb (EV_P_ ev_io *w, int revents)	3082	infy_cb (EV_P_ ev_io *w, int revents)
2933	{	3083	{
2934	char buf [EV_INOTIFY_BUFSIZE];	3084	char buf [EV_INOTIFY_BUFSIZE];
2935	struct inotify_event *ev = (struct inotify_event *)buf;
2936	int ofs;	3085	int ofs;
2937	int len = read (fs_fd, buf, sizeof (buf));	3086	int len = read (fs_fd, buf, sizeof (buf));
2938		3087
2939	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);
2940	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	}
2941	}	3094	}
2942		3095
2943	inline_size void	3096	inline_size void
2944	check_2625 (EV_P)	3097	ev_check_2625 (EV_P)
2945	{	3098	{
2946	/* kernels < 2.6.25 are borked	3099	/* kernels < 2.6.25 are borked
2947	* 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
2948	*/	3101	*/
2949	struct utsname buf;	3102	if (ev_linux_version () < 0x020619)
2950	int major, minor, micro;
2951
2952	if (uname (&buf))
2953	return;	3103	return;
2954		3104
2955	if (sscanf (buf.release, "%d.%d.%d", &major, &minor, &micro) != 3)
2956	return;
2957
2958	if (major < 2
2959	|| (major == 2 && minor < 6)
2960	|| (major == 2 && minor == 6 && micro < 25))
2961	return;
2962
2963	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 ();
2964	}	3117	}
2965		3118
2966	inline_size void	3119	inline_size void
2967	infy_init (EV_P)	3120	infy_init (EV_P)
2968	{	3121	{
2969	if (fs_fd != -2)	3122	if (fs_fd != -2)
2970	return;	3123	return;
2971		3124
2972	fs_fd = -1;	3125	fs_fd = -1;
2973		3126
2974	check_2625 (EV_A);	3127	ev_check_2625 (EV_A);
2975		3128
2976	fs_fd = inotify_init ();	3129	fs_fd = infy_newfd ();
2977		3130
2978	if (fs_fd >= 0)	3131	if (fs_fd >= 0)
2979	{	3132	{
		3133	fd_intern (fs_fd);
2980	ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ);	3134	ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ);
2981	ev_set_priority (&fs_w, EV_MAXPRI);	3135	ev_set_priority (&fs_w, EV_MAXPRI);
2982	ev_io_start (EV_A_ &fs_w);	3136	ev_io_start (EV_A_ &fs_w);
		3137	ev_unref (EV_A);
2983	}	3138	}
2984	}	3139	}
2985		3140
2986	inline_size void	3141	inline_size void
2987	infy_fork (EV_P)	3142	infy_fork (EV_P)
…		…
2989	int slot;	3144	int slot;
2990		3145
2991	if (fs_fd < 0)	3146	if (fs_fd < 0)
2992	return;	3147	return;
2993		3148
		3149	ev_ref (EV_A);
		3150	ev_io_stop (EV_A_ &fs_w);
2994	close (fs_fd);	3151	close (fs_fd);
2995	fs_fd = inotify_init ();	3152	fs_fd = infy_newfd ();
2996		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
2997	for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot)	3162	for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)
2998	{	3163	{
2999	WL w_ = fs_hash [slot].head;	3164	WL w_ = fs_hash [slot].head;
3000	fs_hash [slot].head = 0;	3165	fs_hash [slot].head = 0;
3001		3166
3002	while (w_)	3167	while (w_)
…		…
3007	w->wd = -1;	3172	w->wd = -1;
3008		3173
3009	if (fs_fd >= 0)	3174	if (fs_fd >= 0)
3010	infy_add (EV_A_ w); /* re-add, no matter what */	3175	infy_add (EV_A_ w); /* re-add, no matter what */
3011	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);
3012	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	}
3013	}	3183	}
3014	}	3184	}
3015	}	3185	}
3016		3186
3017	#endif	3187	#endif
…		…
3034	static void noinline	3204	static void noinline
3035	stat_timer_cb (EV_P_ ev_timer *w_, int revents)	3205	stat_timer_cb (EV_P_ ev_timer *w_, int revents)
3036	{	3206	{
3037	ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer));	3207	ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer));
3038		3208
3039	/* we copy this here each the time so that */	3209	ev_statdata prev = w->attr;
3040	/* prev has the old value when the callback gets invoked */
3041	w->prev = w->attr;
3042	ev_stat_stat (EV_A_ w);	3210	ev_stat_stat (EV_A_ w);
3043		3211
3044	/* 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 */
3045	if (	3213	if (
3046	w->prev.st_dev != w->attr.st_dev	3214	prev.st_dev != w->attr.st_dev
3047	|| w->prev.st_ino != w->attr.st_ino	3215	|| prev.st_ino != w->attr.st_ino
3048	|| w->prev.st_mode != w->attr.st_mode	3216	|| prev.st_mode != w->attr.st_mode
3049	|| w->prev.st_nlink != w->attr.st_nlink	3217	|| prev.st_nlink != w->attr.st_nlink
3050	|| w->prev.st_uid != w->attr.st_uid	3218	|| prev.st_uid != w->attr.st_uid
3051	|| w->prev.st_gid != w->attr.st_gid	3219	|| prev.st_gid != w->attr.st_gid
3052	|| w->prev.st_rdev != w->attr.st_rdev	3220	|| prev.st_rdev != w->attr.st_rdev
3053	|| w->prev.st_size != w->attr.st_size	3221	|| prev.st_size != w->attr.st_size
3054	|| w->prev.st_atime != w->attr.st_atime	3222	|| prev.st_atime != w->attr.st_atime
3055	|| w->prev.st_mtime != w->attr.st_mtime	3223	|| prev.st_mtime != w->attr.st_mtime
3056	|| w->prev.st_ctime != w->attr.st_ctime	3224	|| prev.st_ctime != w->attr.st_ctime
3057	) {	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
3058	#if EV_USE_INOTIFY	3231	#if EV_USE_INOTIFY
3059	if (fs_fd >= 0)	3232	if (fs_fd >= 0)
3060	{	3233	{
3061	infy_del (EV_A_ w);	3234	infy_del (EV_A_ w);
3062	infy_add (EV_A_ w);	3235	infy_add (EV_A_ w);
…		…
3087		3260
3088	if (fs_fd >= 0)	3261	if (fs_fd >= 0)
3089	infy_add (EV_A_ w);	3262	infy_add (EV_A_ w);
3090	else	3263	else
3091	#endif	3264	#endif
		3265	{
3092	ev_timer_again (EV_A_ &w->timer);	3266	ev_timer_again (EV_A_ &w->timer);
		3267	ev_unref (EV_A);
		3268	}
3093		3269
3094	ev_start (EV_A_ (W)w, 1);	3270	ev_start (EV_A_ (W)w, 1);
3095		3271
3096	EV_FREQUENT_CHECK;	3272	EV_FREQUENT_CHECK;
3097	}	3273	}
…		…
3106	EV_FREQUENT_CHECK;	3282	EV_FREQUENT_CHECK;
3107		3283
3108	#if EV_USE_INOTIFY	3284	#if EV_USE_INOTIFY
3109	infy_del (EV_A_ w);	3285	infy_del (EV_A_ w);
3110	#endif	3286	#endif
		3287
		3288	if (ev_is_active (&w->timer))
		3289	{
		3290	ev_ref (EV_A);
3111	ev_timer_stop (EV_A_ &w->timer);	3291	ev_timer_stop (EV_A_ &w->timer);
		3292	}
3112		3293
3113	ev_stop (EV_A_ (W)w);	3294	ev_stop (EV_A_ (W)w);
3114		3295
3115	EV_FREQUENT_CHECK;	3296	EV_FREQUENT_CHECK;
3116	}	3297	}
…		…
3161		3342
3162	EV_FREQUENT_CHECK;	3343	EV_FREQUENT_CHECK;
3163	}	3344	}
3164	#endif	3345	#endif
3165		3346
		3347	#if EV_PREPARE_ENABLE
3166	void	3348	void
3167	ev_prepare_start (EV_P_ ev_prepare *w)	3349	ev_prepare_start (EV_P_ ev_prepare *w)
3168	{	3350	{
3169	if (expect_false (ev_is_active (w)))	3351	if (expect_false (ev_is_active (w)))
3170	return;	3352	return;
…		…
3196		3378
3197	ev_stop (EV_A_ (W)w);	3379	ev_stop (EV_A_ (W)w);
3198		3380
3199	EV_FREQUENT_CHECK;	3381	EV_FREQUENT_CHECK;
3200	}	3382	}
		3383	#endif
3201		3384
		3385	#if EV_CHECK_ENABLE
3202	void	3386	void
3203	ev_check_start (EV_P_ ev_check *w)	3387	ev_check_start (EV_P_ ev_check *w)
3204	{	3388	{
3205	if (expect_false (ev_is_active (w)))	3389	if (expect_false (ev_is_active (w)))
3206	return;	3390	return;
…		…
3232		3416
3233	ev_stop (EV_A_ (W)w);	3417	ev_stop (EV_A_ (W)w);
3234		3418
3235	EV_FREQUENT_CHECK;	3419	EV_FREQUENT_CHECK;
3236	}	3420	}
		3421	#endif
3237		3422
3238	#if EV_EMBED_ENABLE	3423	#if EV_EMBED_ENABLE
3239	void noinline	3424	void noinline
3240	ev_embed_sweep (EV_P_ ev_embed *w)	3425	ev_embed_sweep (EV_P_ ev_embed *w)
3241	{	3426	{
3242	ev_loop (w->other, EVLOOP_NONBLOCK);	3427	ev_run (w->other, EVRUN_NOWAIT);
3243	}	3428	}
3244		3429
3245	static void	3430	static void
3246	embed_io_cb (EV_P_ ev_io *io, int revents)	3431	embed_io_cb (EV_P_ ev_io *io, int revents)
3247	{	3432	{
3248	ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io));	3433	ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io));
3249		3434
3250	if (ev_cb (w))	3435	if (ev_cb (w))
3251	ev_feed_event (EV_A_ (W)w, EV_EMBED);	3436	ev_feed_event (EV_A_ (W)w, EV_EMBED);
3252	else	3437	else
3253	ev_loop (w->other, EVLOOP_NONBLOCK);	3438	ev_run (w->other, EVRUN_NOWAIT);
3254	}	3439	}
3255		3440
3256	static void	3441	static void
3257	embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents)	3442	embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents)
3258	{	3443	{
…		…
3262	EV_P = w->other;	3447	EV_P = w->other;
3263		3448
3264	while (fdchangecnt)	3449	while (fdchangecnt)
3265	{	3450	{
3266	fd_reify (EV_A);	3451	fd_reify (EV_A);
3267	ev_loop (EV_A_ EVLOOP_NONBLOCK);	3452	ev_run (EV_A_ EVRUN_NOWAIT);
3268	}	3453	}
3269	}	3454	}
3270	}	3455	}
3271		3456
3272	static void	3457	static void
…		…
3278		3463
3279	{	3464	{
3280	EV_P = w->other;	3465	EV_P = w->other;
3281		3466
3282	ev_loop_fork (EV_A);	3467	ev_loop_fork (EV_A);
3283	ev_loop (EV_A_ EVLOOP_NONBLOCK);	3468	ev_run (EV_A_ EVRUN_NOWAIT);
3284	}	3469	}
3285		3470
3286	ev_embed_start (EV_A_ w);	3471	ev_embed_start (EV_A_ w);
3287	}	3472	}
3288		3473
…		…
3336		3521
3337	ev_io_stop (EV_A_ &w->io);	3522	ev_io_stop (EV_A_ &w->io);
3338	ev_prepare_stop (EV_A_ &w->prepare);	3523	ev_prepare_stop (EV_A_ &w->prepare);
3339	ev_fork_stop (EV_A_ &w->fork);	3524	ev_fork_stop (EV_A_ &w->fork);
3340		3525
		3526	ev_stop (EV_A_ (W)w);
		3527
3341	EV_FREQUENT_CHECK;	3528	EV_FREQUENT_CHECK;
3342	}	3529	}
3343	#endif	3530	#endif
3344		3531
3345	#if EV_FORK_ENABLE	3532	#if EV_FORK_ENABLE
…		…
3384	void	3571	void
3385	ev_async_start (EV_P_ ev_async *w)	3572	ev_async_start (EV_P_ ev_async *w)
3386	{	3573	{
3387	if (expect_false (ev_is_active (w)))	3574	if (expect_false (ev_is_active (w)))
3388	return;	3575	return;
		3576
		3577	w->sent = 0;
3389		3578
3390	evpipe_init (EV_A);	3579	evpipe_init (EV_A);
3391		3580
3392	EV_FREQUENT_CHECK;	3581	EV_FREQUENT_CHECK;
3393		3582
…		…
3471	{	3660	{
3472	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));
3473		3662
3474	if (expect_false (!once))	3663	if (expect_false (!once))
3475	{	3664	{
3476	cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg);	3665	cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMER, arg);
3477	return;	3666	return;
3478	}	3667	}
3479		3668
3480	once->cb = cb;	3669	once->cb = cb;
3481	once->arg = arg;	3670	once->arg = arg;
…		…
3568	if (types & EV_ASYNC)	3757	if (types & EV_ASYNC)
3569	for (i = asynccnt; i--; )	3758	for (i = asynccnt; i--; )
3570	cb (EV_A_ EV_ASYNC, asyncs [i]);	3759	cb (EV_A_ EV_ASYNC, asyncs [i]);
3571	#endif	3760	#endif
3572		3761
		3762	#if EV_PREPARE_ENABLE
3573	if (types & EV_PREPARE)	3763	if (types & EV_PREPARE)
3574	for (i = preparecnt; i--; )	3764	for (i = preparecnt; i--; )
3575	#if EV_EMBED_ENABLE	3765	# if EV_EMBED_ENABLE
3576	if (ev_cb (prepares [i]) != embed_prepare_cb)	3766	if (ev_cb (prepares [i]) != embed_prepare_cb)
3577	#endif	3767	# endif
3578	cb (EV_A_ EV_PREPARE, prepares [i]);	3768	cb (EV_A_ EV_PREPARE, prepares [i]);
		3769	#endif
3579		3770
		3771	#if EV_CHECK_ENABLE
3580	if (types & EV_CHECK)	3772	if (types & EV_CHECK)
3581	for (i = checkcnt; i--; )	3773	for (i = checkcnt; i--; )
3582	cb (EV_A_ EV_CHECK, checks [i]);	3774	cb (EV_A_ EV_CHECK, checks [i]);
		3775	#endif
3583		3776
		3777	#if EV_SIGNAL_ENABLE
3584	if (types & EV_SIGNAL)	3778	if (types & EV_SIGNAL)
3585	for (i = 0; i < EV_NSIG - 1; ++i)	3779	for (i = 0; i < EV_NSIG - 1; ++i)
3586	for (wl = signals [i].head; wl; )	3780	for (wl = signals [i].head; wl; )
3587	{	3781	{
3588	wn = wl->next;	3782	wn = wl->next;
3589	cb (EV_A_ EV_SIGNAL, wl);	3783	cb (EV_A_ EV_SIGNAL, wl);
3590	wl = wn;	3784	wl = wn;
3591	}	3785	}
		3786	#endif
3592		3787
		3788	#if EV_CHILD_ENABLE
3593	if (types & EV_CHILD)	3789	if (types & EV_CHILD)
3594	for (i = EV_PID_HASHSIZE; i--; )	3790	for (i = (EV_PID_HASHSIZE); i--; )
3595	for (wl = childs [i]; wl; )	3791	for (wl = childs [i]; wl; )
3596	{	3792	{
3597	wn = wl->next;	3793	wn = wl->next;
3598	cb (EV_A_ EV_CHILD, wl);	3794	cb (EV_A_ EV_CHILD, wl);
3599	wl = wn;	3795	wl = wn;
3600	}	3796	}
		3797	#endif
3601	/* EV_STAT 0x00001000 /* stat data changed */	3798	/* EV_STAT 0x00001000 /* stat data changed */
3602	/* EV_EMBED 0x00010000 /* embedded event loop needs sweep */	3799	/* EV_EMBED 0x00010000 /* embedded event loop needs sweep */
3603	}	3800	}
3604	#endif	3801	#endif
3605		3802
3606	#if EV_MULTIPLICITY	3803	#if EV_MULTIPLICITY
3607	#include "ev_wrap.h"	3804	#include "ev_wrap.h"
3608	#endif	3805	#endif
3609		3806
3610	#ifdef __cplusplus	3807	EV_CPP(})
3611	}
3612	#endif
3613		3808

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