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Comparing libev/ev.c (file contents):
Revision 1.319 by root, Wed Nov 18 10:25:22 2009 UTC vs.
Revision 1.365 by root, Sun Oct 31 22:01:20 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>
…		…
163		168
164	#include <assert.h>	169	#include <assert.h>
165	#include <errno.h>	170	#include <errno.h>
166	#include <sys/types.h>	171	#include <sys/types.h>
167	#include <time.h>	172	#include <time.h>
		173	#include <limits.h>
168		174
169	#include <signal.h>	175	#include <signal.h>
170		176
171	#ifdef EV_H	177	#ifdef EV_H
172	# include EV_H	178	# include EV_H
173	#else	179	#else
174	# include "ev.h"	180	# include "ev.h"
175	#endif	181	#endif
		182
		183	EV_CPP(extern "C" {)
176		184
177	#ifndef _WIN32	185	#ifndef _WIN32
178	# include <sys/time.h>	186	# include <sys/time.h>
179	# include <sys/wait.h>	187	# include <sys/wait.h>
180	# include <unistd.h>	188	# include <unistd.h>
…		…
183	# define WIN32_LEAN_AND_MEAN	191	# define WIN32_LEAN_AND_MEAN
184	# include <windows.h>	192	# include <windows.h>
185	# ifndef EV_SELECT_IS_WINSOCKET	193	# ifndef EV_SELECT_IS_WINSOCKET
186	# define EV_SELECT_IS_WINSOCKET 1	194	# define EV_SELECT_IS_WINSOCKET 1
187	# endif	195	# endif
		196	# undef EV_AVOID_STDIO
188	#endif	197	#endif
		198
		199	/* OS X, in its infinite idiocy, actually HARDCODES
		200	* a limit of 1024 into their select. Where people have brains,
		201	* OS X engineers apparently have a vacuum. Or maybe they were
		202	* ordered to have a vacuum, or they do anything for money.
		203	* This might help. Or not.
		204	*/
		205	#define _DARWIN_UNLIMITED_SELECT 1
189		206
190	/* this block tries to deduce configuration from header-defined symbols and defaults */	207	/* this block tries to deduce configuration from header-defined symbols and defaults */
191		208
192	/* try to deduce the maximum number of signals on this platform */	209	/* try to deduce the maximum number of signals on this platform */
193	#if defined (EV_NSIG)	210	#if defined (EV_NSIG)
…		…
205	#elif defined (MAXSIG)	222	#elif defined (MAXSIG)
206	# define EV_NSIG (MAXSIG+1)	223	# define EV_NSIG (MAXSIG+1)
207	#elif defined (MAX_SIG)	224	#elif defined (MAX_SIG)
208	# define EV_NSIG (MAX_SIG+1)	225	# define EV_NSIG (MAX_SIG+1)
209	#elif defined (SIGARRAYSIZE)	226	#elif defined (SIGARRAYSIZE)
210	# define EV_NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */	227	# define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */
211	#elif defined (_sys_nsig)	228	#elif defined (_sys_nsig)
212	# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */	229	# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */
213	#else	230	#else
214	# error "unable to find value for NSIG, please report"	231	# error "unable to find value for NSIG, please report"
215	/* to make it compile regardless, just remove the above line */	232	/* to make it compile regardless, just remove the above line, */
		233	/* but consider reporting it, too! :) */
216	# define EV_NSIG 65	234	# define EV_NSIG 65
217	#endif	235	#endif
218		236
219	#ifndef EV_USE_CLOCK_SYSCALL	237	#ifndef EV_USE_CLOCK_SYSCALL
220	# if __linux && __GLIBC__ >= 2	238	# if __linux && __GLIBC__ >= 2
221	# define EV_USE_CLOCK_SYSCALL 1	239	# define EV_USE_CLOCK_SYSCALL EV_FEATURE_OS
222	# else	240	# else
223	# define EV_USE_CLOCK_SYSCALL 0	241	# define EV_USE_CLOCK_SYSCALL 0
224	# endif	242	# endif
225	#endif	243	#endif
226		244
227	#ifndef EV_USE_MONOTONIC	245	#ifndef EV_USE_MONOTONIC
228	# if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0	246	# if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0
229	# define EV_USE_MONOTONIC 1	247	# define EV_USE_MONOTONIC EV_FEATURE_OS
230	# else	248	# else
231	# define EV_USE_MONOTONIC 0	249	# define EV_USE_MONOTONIC 0
232	# endif	250	# endif
233	#endif	251	#endif
234		252
…		…
236	# define EV_USE_REALTIME !EV_USE_CLOCK_SYSCALL	254	# define EV_USE_REALTIME !EV_USE_CLOCK_SYSCALL
237	#endif	255	#endif
238		256
239	#ifndef EV_USE_NANOSLEEP	257	#ifndef EV_USE_NANOSLEEP
240	# if _POSIX_C_SOURCE >= 199309L	258	# if _POSIX_C_SOURCE >= 199309L
241	# define EV_USE_NANOSLEEP 1	259	# define EV_USE_NANOSLEEP EV_FEATURE_OS
242	# else	260	# else
243	# define EV_USE_NANOSLEEP 0	261	# define EV_USE_NANOSLEEP 0
244	# endif	262	# endif
245	#endif	263	#endif
246		264
247	#ifndef EV_USE_SELECT	265	#ifndef EV_USE_SELECT
248	# define EV_USE_SELECT 1	266	# define EV_USE_SELECT EV_FEATURE_BACKENDS
249	#endif	267	#endif
250		268
251	#ifndef EV_USE_POLL	269	#ifndef EV_USE_POLL
252	# ifdef _WIN32	270	# ifdef _WIN32
253	# define EV_USE_POLL 0	271	# define EV_USE_POLL 0
254	# else	272	# else
255	# define EV_USE_POLL 1	273	# define EV_USE_POLL EV_FEATURE_BACKENDS
256	# endif	274	# endif
257	#endif	275	#endif
258		276
259	#ifndef EV_USE_EPOLL	277	#ifndef EV_USE_EPOLL
260	# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))	278	# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))
261	# define EV_USE_EPOLL 1	279	# define EV_USE_EPOLL EV_FEATURE_BACKENDS
262	# else	280	# else
263	# define EV_USE_EPOLL 0	281	# define EV_USE_EPOLL 0
264	# endif	282	# endif
265	#endif	283	#endif
266		284
…		…
272	# define EV_USE_PORT 0	290	# define EV_USE_PORT 0
273	#endif	291	#endif
274		292
275	#ifndef EV_USE_INOTIFY	293	#ifndef EV_USE_INOTIFY
276	# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))	294	# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))
277	# define EV_USE_INOTIFY 1	295	# define EV_USE_INOTIFY EV_FEATURE_OS
278	# else	296	# else
279	# define EV_USE_INOTIFY 0	297	# define EV_USE_INOTIFY 0
280	# endif	298	# endif
281	#endif	299	#endif
282		300
283	#ifndef EV_PID_HASHSIZE	301	#ifndef EV_PID_HASHSIZE
284	# if EV_MINIMAL	302	# define EV_PID_HASHSIZE EV_FEATURE_DATA ? 16 : 1
285	# define EV_PID_HASHSIZE 1
286	# else
287	# define EV_PID_HASHSIZE 16
288	# endif
289	#endif	303	#endif
290		304
291	#ifndef EV_INOTIFY_HASHSIZE	305	#ifndef EV_INOTIFY_HASHSIZE
292	# if EV_MINIMAL	306	# define EV_INOTIFY_HASHSIZE EV_FEATURE_DATA ? 16 : 1
293	# define EV_INOTIFY_HASHSIZE 1
294	# else
295	# define EV_INOTIFY_HASHSIZE 16
296	# endif
297	#endif	307	#endif
298		308
299	#ifndef EV_USE_EVENTFD	309	#ifndef EV_USE_EVENTFD
300	# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7))	310	# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7))
301	# define EV_USE_EVENTFD 1	311	# define EV_USE_EVENTFD EV_FEATURE_OS
302	# else	312	# else
303	# define EV_USE_EVENTFD 0	313	# define EV_USE_EVENTFD 0
304	# endif	314	# endif
305	#endif	315	#endif
306		316
307	#ifndef EV_USE_SIGNALFD	317	#ifndef EV_USE_SIGNALFD
308	# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7))	318	# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7))
309	# define EV_USE_SIGNALFD 1	319	# define EV_USE_SIGNALFD EV_FEATURE_OS
310	# else	320	# else
311	# define EV_USE_SIGNALFD 0	321	# define EV_USE_SIGNALFD 0
312	# endif	322	# endif
313	#endif	323	#endif
314		324
…		…
317	# define EV_USE_4HEAP 1	327	# define EV_USE_4HEAP 1
318	# define EV_HEAP_CACHE_AT 1	328	# define EV_HEAP_CACHE_AT 1
319	#endif	329	#endif
320		330
321	#ifndef EV_VERIFY	331	#ifndef EV_VERIFY
322	# define EV_VERIFY !EV_MINIMAL	332	# define EV_VERIFY (EV_FEATURE_API ? 1 : 0)
323	#endif	333	#endif
324		334
325	#ifndef EV_USE_4HEAP	335	#ifndef EV_USE_4HEAP
326	# define EV_USE_4HEAP !EV_MINIMAL	336	# define EV_USE_4HEAP EV_FEATURE_DATA
327	#endif	337	#endif
328		338
329	#ifndef EV_HEAP_CACHE_AT	339	#ifndef EV_HEAP_CACHE_AT
330	# define EV_HEAP_CACHE_AT !EV_MINIMAL	340	# define EV_HEAP_CACHE_AT EV_FEATURE_DATA
331	#endif	341	#endif
332		342
333	/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */	343	/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */
334	/* which makes programs even slower. might work on other unices, too. */	344	/* which makes programs even slower. might work on other unices, too. */
335	#if EV_USE_CLOCK_SYSCALL	345	#if EV_USE_CLOCK_SYSCALL
…		…
344	# endif	354	# endif
345	#endif	355	#endif
346		356
347	/* 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 */
348		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
349	#ifndef CLOCK_MONOTONIC	365	#ifndef CLOCK_MONOTONIC
350	# undef EV_USE_MONOTONIC	366	# undef EV_USE_MONOTONIC
351	# define EV_USE_MONOTONIC 0	367	# define EV_USE_MONOTONIC 0
352	#endif	368	#endif
353		369
…		…
366	# include <sys/select.h>	382	# include <sys/select.h>
367	# endif	383	# endif
368	#endif	384	#endif
369		385
370	#if EV_USE_INOTIFY	386	#if EV_USE_INOTIFY
371	# include <sys/utsname.h>
372	# include <sys/statfs.h>	387	# include <sys/statfs.h>
373	# include <sys/inotify.h>	388	# include <sys/inotify.h>
374	/* 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 */
375	# ifndef IN_DONT_FOLLOW	390	# ifndef IN_DONT_FOLLOW
376	# undef EV_USE_INOTIFY	391	# undef EV_USE_INOTIFY
…		…
393	# define EFD_CLOEXEC O_CLOEXEC	408	# define EFD_CLOEXEC O_CLOEXEC
394	# else	409	# else
395	# define EFD_CLOEXEC 02000000	410	# define EFD_CLOEXEC 02000000
396	# endif	411	# endif
397	# endif	412	# endif
398	# ifdef __cplusplus
399	extern "C" {
400	# endif
401	int eventfd (unsigned int initval, int flags);	413	EV_CPP(extern "C") int (eventfd) (unsigned int initval, int flags);
402	# ifdef __cplusplus
403	}
404	# endif
405	#endif	414	#endif
406		415
407	#if EV_USE_SIGNALFD	416	#if EV_USE_SIGNALFD
408	/* our minimum requirement is glibc 2.7 which has the stub, but not the header */	417	/* our minimum requirement is glibc 2.7 which has the stub, but not the header */
409	# include <stdint.h>	418	# include <stdint.h>
…		…
415	# define SFD_CLOEXEC O_CLOEXEC	424	# define SFD_CLOEXEC O_CLOEXEC
416	# else	425	# else
417	# define SFD_CLOEXEC 02000000	426	# define SFD_CLOEXEC 02000000
418	# endif	427	# endif
419	# endif	428	# endif
420	# ifdef __cplusplus
421	extern "C" {
422	# endif
423	int signalfd (int fd, const sigset_t *mask, int flags);	429	EV_CPP (extern "C") int signalfd (int fd, const sigset_t *mask, int flags);
424		430
425	struct signalfd_siginfo	431	struct signalfd_siginfo
426	{	432	{
427	uint32_t ssi_signo;	433	uint32_t ssi_signo;
428	char pad[128 - sizeof (uint32_t)];	434	char pad[128 - sizeof (uint32_t)];
429	};	435	};
430	# ifdef __cplusplus
431	}
432	# endif	436	#endif
433	#endif
434
435		437
436	/**/	438	/**/
437		439
438	#if EV_VERIFY >= 3	440	#if EV_VERIFY >= 3
439	# define EV_FREQUENT_CHECK ev_loop_verify (EV_A)	441	# define EV_FREQUENT_CHECK ev_verify (EV_A)
440	#else	442	#else
441	# define EV_FREQUENT_CHECK do { } while (0)	443	# define EV_FREQUENT_CHECK do { } while (0)
442	#endif	444	#endif
443		445
444	/*	446	/*
…		…
452	#define TIME_EPSILON 0.0001220703125 /* 1/8192 */	454	#define TIME_EPSILON 0.0001220703125 /* 1/8192 */
453		455
454	#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) */
455	#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) */
456		458
		459	#define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } while (0)
		460	#define EV_TS_SET(ts,t) do { ts.tv_sec = (long)t; ts.tv_nsec = (long)((t - ts.tv_sec) * 1e9); } while (0)
		461
457	#if __GNUC__ >= 4	462	#if __GNUC__ >= 4
458	# define expect(expr,value) __builtin_expect ((expr),(value))	463	# define expect(expr,value) __builtin_expect ((expr),(value))
459	# define noinline __attribute__ ((noinline))	464	# define noinline __attribute__ ((noinline))
460	#else	465	#else
461	# define expect(expr,value) (expr)	466	# define expect(expr,value) (expr)
…		…
467		472
468	#define expect_false(expr) expect ((expr) != 0, 0)	473	#define expect_false(expr) expect ((expr) != 0, 0)
469	#define expect_true(expr) expect ((expr) != 0, 1)	474	#define expect_true(expr) expect ((expr) != 0, 1)
470	#define inline_size static inline	475	#define inline_size static inline
471		476
472	#if EV_MINIMAL	477	#if EV_FEATURE_CODE
		478	# define inline_speed static inline
		479	#else
473	# define inline_speed static noinline	480	# define inline_speed static noinline
474	#else
475	# define inline_speed static inline
476	#endif	481	#endif
477		482
478	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)	483	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
479		484
480	#if EV_MINPRI == EV_MAXPRI	485	#if EV_MINPRI == EV_MAXPRI
…		…
493	#define ev_active(w) ((W)(w))->active	498	#define ev_active(w) ((W)(w))->active
494	#define ev_at(w) ((WT)(w))->at	499	#define ev_at(w) ((WT)(w))->at
495		500
496	#if EV_USE_REALTIME	501	#if EV_USE_REALTIME
497	/* 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 */
498	/* giving it a reasonably high chance of working on typical architetcures */	503	/* giving it a reasonably high chance of working on typical architectures */
499	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? */
500	#endif	505	#endif
501		506
502	#if EV_USE_MONOTONIC	507	#if EV_USE_MONOTONIC
503	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? */
…		…
505		510
506	#ifndef EV_FD_TO_WIN32_HANDLE	511	#ifndef EV_FD_TO_WIN32_HANDLE
507	# define EV_FD_TO_WIN32_HANDLE(fd) _get_osfhandle (fd)	512	# define EV_FD_TO_WIN32_HANDLE(fd) _get_osfhandle (fd)
508	#endif	513	#endif
509	#ifndef EV_WIN32_HANDLE_TO_FD	514	#ifndef EV_WIN32_HANDLE_TO_FD
510	# define EV_WIN32_HANDLE_TO_FD(handle) _open_osfhandle (fd, 0)	515	# define EV_WIN32_HANDLE_TO_FD(handle) _open_osfhandle (handle, 0)
511	#endif	516	#endif
512	#ifndef EV_WIN32_CLOSE_FD	517	#ifndef EV_WIN32_CLOSE_FD
513	# define EV_WIN32_CLOSE_FD(fd) close (fd)	518	# define EV_WIN32_CLOSE_FD(fd) close (fd)
514	#endif	519	#endif
515		520
516	#ifdef _WIN32	521	#ifdef _WIN32
517	# include "ev_win32.c"	522	# include "ev_win32.c"
518	#endif	523	#endif
519		524
520	/*****************************************************************************/	525	/*****************************************************************************/
		526
		527	#ifdef __linux
		528	# include <sys/utsname.h>
		529	#endif
		530
		531	static unsigned int noinline
		532	ev_linux_version (void)
		533	{
		534	#ifdef __linux
		535	unsigned int v = 0;
		536	struct utsname buf;
		537	int i;
		538	char *p = buf.release;
		539
		540	if (uname (&buf))
		541	return 0;
		542
		543	for (i = 3+1; --i; )
		544	{
		545	unsigned int c = 0;
		546
		547	for (;;)
		548	{
		549	if (*p >= '0' && *p <= '9')
		550	c = c * 10 + *p++ - '0';
		551	else
		552	{
		553	p += *p == '.';
		554	break;
		555	}
		556	}
		557
		558	v = (v << 8) | c;
		559	}
		560
		561	return v;
		562	#else
		563	return 0;
		564	#endif
		565	}
		566
		567	/*****************************************************************************/
		568
		569	#if EV_AVOID_STDIO
		570	static void noinline
		571	ev_printerr (const char *msg)
		572	{
		573	write (STDERR_FILENO, msg, strlen (msg));
		574	}
		575	#endif
521		576
522	static void (*syserr_cb)(const char *msg);	577	static void (*syserr_cb)(const char *msg);
523		578
524	void	579	void
525	ev_set_syserr_cb (void (*cb)(const char *msg))	580	ev_set_syserr_cb (void (*cb)(const char *msg))
…		…
535		590
536	if (syserr_cb)	591	if (syserr_cb)
537	syserr_cb (msg);	592	syserr_cb (msg);
538	else	593	else
539	{	594	{
		595	#if EV_AVOID_STDIO
		596	ev_printerr (msg);
		597	ev_printerr (": ");
		598	ev_printerr (strerror (errno));
		599	ev_printerr ("\n");
		600	#else
540	perror (msg);	601	perror (msg);
		602	#endif
541	abort ();	603	abort ();
542	}	604	}
543	}	605	}
544		606
545	static void *	607	static void *
546	ev_realloc_emul (void *ptr, long size)	608	ev_realloc_emul (void *ptr, long size)
547	{	609	{
		610	#if __GLIBC__
		611	return realloc (ptr, size);
		612	#else
548	/* some systems, notably openbsd and darwin, fail to properly	613	/* some systems, notably openbsd and darwin, fail to properly
549	* implement realloc (x, 0) (as required by both ansi c-98 and	614	* implement realloc (x, 0) (as required by both ansi c-89 and
550	* the single unix specification, so work around them here.	615	* the single unix specification, so work around them here.
551	*/	616	*/
552		617
553	if (size)	618	if (size)
554	return realloc (ptr, size);	619	return realloc (ptr, size);
555		620
556	free (ptr);	621	free (ptr);
557	return 0;	622	return 0;
		623	#endif
558	}	624	}
559		625
560	static void *(*alloc)(void *ptr, long size) = ev_realloc_emul;	626	static void *(*alloc)(void *ptr, long size) = ev_realloc_emul;
561		627
562	void	628	void
…		…
570	{	636	{
571	ptr = alloc (ptr, size);	637	ptr = alloc (ptr, size);
572		638
573	if (!ptr && size)	639	if (!ptr && size)
574	{	640	{
		641	#if EV_AVOID_STDIO
		642	ev_printerr ("(libev) memory allocation failed, aborting.\n");
		643	#else
575	fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size);	644	fprintf (stderr, "(libev) cannot allocate %ld bytes, aborting.", size);
		645	#endif
576	abort ();	646	abort ();
577	}	647	}
578		648
579	return ptr;	649	return ptr;
580	}	650	}
…		…
596	unsigned char emask; /* the epoll backend stores the actual kernel mask in here */	666	unsigned char emask; /* the epoll backend stores the actual kernel mask in here */
597	unsigned char unused;	667	unsigned char unused;
598	#if EV_USE_EPOLL	668	#if EV_USE_EPOLL
599	unsigned int egen; /* generation counter to counter epoll bugs */	669	unsigned int egen; /* generation counter to counter epoll bugs */
600	#endif	670	#endif
601	#if EV_SELECT_IS_WINSOCKET	671	#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP
602	SOCKET handle;	672	SOCKET handle;
		673	#endif
		674	#if EV_USE_IOCP
		675	OVERLAPPED or, ow;
603	#endif	676	#endif
604	} ANFD;	677	} ANFD;
605		678
606	/* stores the pending event set for a given watcher */	679	/* stores the pending event set for a given watcher */
607	typedef struct	680	typedef struct
…		…
662		735
663	static int ev_default_loop_ptr;	736	static int ev_default_loop_ptr;
664		737
665	#endif	738	#endif
666		739
667	#if EV_MINIMAL < 2	740	#if EV_FEATURE_API
668	# define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A)	741	# define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A)
669	# define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A)	742	# define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A)
670	# define EV_INVOKE_PENDING invoke_cb (EV_A)	743	# define EV_INVOKE_PENDING invoke_cb (EV_A)
671	#else	744	#else
672	# define EV_RELEASE_CB (void)0	745	# define EV_RELEASE_CB (void)0
673	# define EV_ACQUIRE_CB (void)0	746	# define EV_ACQUIRE_CB (void)0
674	# define EV_INVOKE_PENDING ev_invoke_pending (EV_A)	747	# define EV_INVOKE_PENDING ev_invoke_pending (EV_A)
675	#endif	748	#endif
676		749
677	#define EVUNLOOP_RECURSE 0x80	750	#define EVBREAK_RECURSE 0x80
678		751
679	/*****************************************************************************/	752	/*****************************************************************************/
680		753
681	#ifndef EV_HAVE_EV_TIME	754	#ifndef EV_HAVE_EV_TIME
682	ev_tstamp	755	ev_tstamp
…		…
726	if (delay > 0.)	799	if (delay > 0.)
727	{	800	{
728	#if EV_USE_NANOSLEEP	801	#if EV_USE_NANOSLEEP
729	struct timespec ts;	802	struct timespec ts;
730		803
731	ts.tv_sec = (time_t)delay;	804	EV_TS_SET (ts, delay);
732	ts.tv_nsec = (long)((delay - (ev_tstamp)(ts.tv_sec)) * 1e9);
733
734	nanosleep (&ts, 0);	805	nanosleep (&ts, 0);
735	#elif defined(_WIN32)	806	#elif defined(_WIN32)
736	Sleep ((unsigned long)(delay * 1e3));	807	Sleep ((unsigned long)(delay * 1e3));
737	#else	808	#else
738	struct timeval tv;	809	struct timeval tv;
739		810
740	tv.tv_sec = (time_t)delay;
741	tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6);
742
743	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */	811	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */
744	/* something not guaranteed by newer posix versions, but guaranteed */	812	/* something not guaranteed by newer posix versions, but guaranteed */
745	/* by older ones */	813	/* by older ones */
		814	EV_TV_SET (tv, delay);
746	select (0, 0, 0, 0, &tv);	815	select (0, 0, 0, 0, &tv);
747	#endif	816	#endif
748	}	817	}
749	}	818	}
750		819
751	/*****************************************************************************/	820	/*****************************************************************************/
752		821
753	#define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */	822	#define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */
754		823
755	/* find a suitable new size for the given array, */	824	/* find a suitable new size for the given array, */
756	/* hopefully by rounding to a ncie-to-malloc size */	825	/* hopefully by rounding to a nice-to-malloc size */
757	inline_size int	826	inline_size int
758	array_nextsize (int elem, int cur, int cnt)	827	array_nextsize (int elem, int cur, int cnt)
759	{	828	{
760	int ncur = cur + 1;	829	int ncur = cur + 1;
761		830
…		…
857	}	926	}
858		927
859	/*****************************************************************************/	928	/*****************************************************************************/
860		929
861	inline_speed void	930	inline_speed void
862	fd_event_nc (EV_P_ int fd, int revents)	931	fd_event_nocheck (EV_P_ int fd, int revents)
863	{	932	{
864	ANFD *anfd = anfds + fd;	933	ANFD *anfd = anfds + fd;
865	ev_io *w;	934	ev_io *w;
866		935
867	for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next)	936	for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next)
…		…
879	fd_event (EV_P_ int fd, int revents)	948	fd_event (EV_P_ int fd, int revents)
880	{	949	{
881	ANFD *anfd = anfds + fd;	950	ANFD *anfd = anfds + fd;
882		951
883	if (expect_true (!anfd->reify))	952	if (expect_true (!anfd->reify))
884	fd_event_nc (EV_A_ fd, revents);	953	fd_event_nocheck (EV_A_ fd, revents);
885	}	954	}
886		955
887	void	956	void
888	ev_feed_fd_event (EV_P_ int fd, int revents)	957	ev_feed_fd_event (EV_P_ int fd, int revents)
889	{	958	{
890	if (fd >= 0 && fd < anfdmax)	959	if (fd >= 0 && fd < anfdmax)
891	fd_event_nc (EV_A_ fd, revents);	960	fd_event_nocheck (EV_A_ fd, revents);
892	}	961	}
893		962
894	/* make sure the external fd watch events are in-sync */	963	/* make sure the external fd watch events are in-sync */
895	/* with the kernel/libev internal state */	964	/* with the kernel/libev internal state */
896	inline_size void	965	inline_size void
…		…
902	{	971	{
903	int fd = fdchanges [i];	972	int fd = fdchanges [i];
904	ANFD *anfd = anfds + fd;	973	ANFD *anfd = anfds + fd;
905	ev_io *w;	974	ev_io *w;
906		975
907	unsigned char events = 0;	976	unsigned char o_events = anfd->events;
		977	unsigned char o_reify = anfd->reify;
908		978
909	for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next)	979	anfd->reify = 0;
910	events |= (unsigned char)w->events;
911		980
912	#if EV_SELECT_IS_WINSOCKET	981	#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP
913	if (events)	982	if (o_reify & EV__IOFDSET)
914	{	983	{
915	unsigned long arg;	984	unsigned long arg;
916	anfd->handle = EV_FD_TO_WIN32_HANDLE (fd);	985	anfd->handle = EV_FD_TO_WIN32_HANDLE (fd);
917	assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0));	986	assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0));
		987	printf ("oi %d %x\n", fd, anfd->handle);//D
918	}	988	}
919	#endif	989	#endif
920		990
		991	/*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */
921	{	992	{
922	unsigned char o_events = anfd->events;
923	unsigned char o_reify = anfd->reify;
924
925	anfd->reify = 0;
926	anfd->events = events;	993	anfd->events = 0;
927		994
928	if (o_events != events || o_reify & EV__IOFDSET)	995	for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next)
		996	anfd->events |= (unsigned char)w->events;
		997
		998	if (o_events != anfd->events)
		999	o_reify = EV__IOFDSET; /* actually |= */
		1000	}
		1001
		1002	if (o_reify & EV__IOFDSET)
929	backend_modify (EV_A_ fd, o_events, events);	1003	backend_modify (EV_A_ fd, o_events, anfd->events);
930	}
931	}	1004	}
932		1005
933	fdchangecnt = 0;	1006	fdchangecnt = 0;
934	}	1007	}
935		1008
…		…
959	ev_io_stop (EV_A_ w);	1032	ev_io_stop (EV_A_ w);
960	ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE);	1033	ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE);
961	}	1034	}
962	}	1035	}
963		1036
964	/* check whether the given fd is atcually valid, for error recovery */	1037	/* check whether the given fd is actually valid, for error recovery */
965	inline_size int	1038	inline_size int
966	fd_valid (int fd)	1039	fd_valid (int fd)
967	{	1040	{
968	#ifdef _WIN32	1041	#ifdef _WIN32
969	return _get_osfhandle (fd) != -1;	1042	return EV_FD_TO_WIN32_HANDLE (fd) != -1;
970	#else	1043	#else
971	return fcntl (fd, F_GETFD) != -1;	1044	return fcntl (fd, F_GETFD) != -1;
972	#endif	1045	#endif
973	}	1046	}
974		1047
…		…
1011	anfds [fd].emask = 0;	1084	anfds [fd].emask = 0;
1012	fd_change (EV_A_ fd, EV__IOFDSET | EV_ANFD_REIFY);	1085	fd_change (EV_A_ fd, EV__IOFDSET | EV_ANFD_REIFY);
1013	}	1086	}
1014	}	1087	}
1015		1088
		1089	/* used to prepare libev internal fd's */
		1090	/* this is not fork-safe */
		1091	inline_speed void
		1092	fd_intern (int fd)
		1093	{
		1094	#ifdef _WIN32
		1095	unsigned long arg = 1;
		1096	ioctlsocket (EV_FD_TO_WIN32_HANDLE (fd), FIONBIO, &arg);
		1097	#else
		1098	fcntl (fd, F_SETFD, FD_CLOEXEC);
		1099	fcntl (fd, F_SETFL, O_NONBLOCK);
		1100	#endif
		1101	}
		1102
1016	/*****************************************************************************/	1103	/*****************************************************************************/
1017		1104
1018	/*	1105	/*
1019	* the heap functions want a real array index. array index 0 uis guaranteed to not	1106	* the heap functions want a real array index. array index 0 is guaranteed to not
1020	* be in-use at any time. the first heap entry is at array [HEAP0]. DHEAP gives	1107	* be in-use at any time. the first heap entry is at array [HEAP0]. DHEAP gives
1021	* the branching factor of the d-tree.	1108	* the branching factor of the d-tree.
1022	*/	1109	*/
1023		1110
1024	/*	1111	/*
…		…
1172		1259
1173	static ANSIG signals [EV_NSIG - 1];	1260	static ANSIG signals [EV_NSIG - 1];
1174		1261
1175	/*****************************************************************************/	1262	/*****************************************************************************/
1176		1263
1177	/* used to prepare libev internal fd's */	1264	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
1178	/* this is not fork-safe */
1179	inline_speed void
1180	fd_intern (int fd)
1181	{
1182	#ifdef _WIN32
1183	unsigned long arg = 1;
1184	ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg);
1185	#else
1186	fcntl (fd, F_SETFD, FD_CLOEXEC);
1187	fcntl (fd, F_SETFL, O_NONBLOCK);
1188	#endif
1189	}
1190		1265
1191	static void noinline	1266	static void noinline
1192	evpipe_init (EV_P)	1267	evpipe_init (EV_P)
1193	{	1268	{
1194	if (!ev_is_active (&pipe_w))	1269	if (!ev_is_active (&pipe_w))
1195	{	1270	{
1196	#if EV_USE_EVENTFD	1271	# if EV_USE_EVENTFD
1197	evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC);	1272	evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC);
1198	if (evfd < 0 && errno == EINVAL)	1273	if (evfd < 0 && errno == EINVAL)
1199	evfd = eventfd (0, 0);	1274	evfd = eventfd (0, 0);
1200		1275
1201	if (evfd >= 0)	1276	if (evfd >= 0)
…		…
1203	evpipe [0] = -1;	1278	evpipe [0] = -1;
1204	fd_intern (evfd); /* doing it twice doesn't hurt */	1279	fd_intern (evfd); /* doing it twice doesn't hurt */
1205	ev_io_set (&pipe_w, evfd, EV_READ);	1280	ev_io_set (&pipe_w, evfd, EV_READ);
1206	}	1281	}
1207	else	1282	else
1208	#endif	1283	# endif
1209	{	1284	{
1210	while (pipe (evpipe))	1285	while (pipe (evpipe))
1211	ev_syserr ("(libev) error creating signal/async pipe");	1286	ev_syserr ("(libev) error creating signal/async pipe");
1212		1287
1213	fd_intern (evpipe [0]);	1288	fd_intern (evpipe [0]);
…		…
1224	evpipe_write (EV_P_ EV_ATOMIC_T *flag)	1299	evpipe_write (EV_P_ EV_ATOMIC_T *flag)
1225	{	1300	{
1226	if (!*flag)	1301	if (!*flag)
1227	{	1302	{
1228	int old_errno = errno; /* save errno because write might clobber it */	1303	int old_errno = errno; /* save errno because write might clobber it */
		1304	char dummy;
1229		1305
1230	*flag = 1;	1306	*flag = 1;
1231		1307
1232	#if EV_USE_EVENTFD	1308	#if EV_USE_EVENTFD
1233	if (evfd >= 0)	1309	if (evfd >= 0)
…		…
1235	uint64_t counter = 1;	1311	uint64_t counter = 1;
1236	write (evfd, &counter, sizeof (uint64_t));	1312	write (evfd, &counter, sizeof (uint64_t));
1237	}	1313	}
1238	else	1314	else
1239	#endif	1315	#endif
		1316	/* win32 people keep sending patches that change this write() to send() */
		1317	/* and then run away. but send() is wrong, it wants a socket handle on win32 */
		1318	/* so when you think this write should be a send instead, please find out */
		1319	/* where your send() is from - it's definitely not the microsoft send, and */
		1320	/* tell me. thank you. */
1240	write (evpipe [1], &old_errno, 1);	1321	write (evpipe [1], &dummy, 1);
1241		1322
1242	errno = old_errno;	1323	errno = old_errno;
1243	}	1324	}
1244	}	1325	}
1245		1326
…		…
1258	}	1339	}
1259	else	1340	else
1260	#endif	1341	#endif
1261	{	1342	{
1262	char dummy;	1343	char dummy;
		1344	/* see discussion in evpipe_write when you think this read should be recv in win32 */
1263	read (evpipe [0], &dummy, 1);	1345	read (evpipe [0], &dummy, 1);
1264	}	1346	}
1265		1347
1266	if (sig_pending)	1348	if (sig_pending)
1267	{	1349	{
…		…
1294	{	1376	{
1295	#if EV_MULTIPLICITY	1377	#if EV_MULTIPLICITY
1296	EV_P = signals [signum - 1].loop;	1378	EV_P = signals [signum - 1].loop;
1297	#endif	1379	#endif
1298		1380
1299	#if _WIN32	1381	#ifdef _WIN32
1300	signal (signum, ev_sighandler);	1382	signal (signum, ev_sighandler);
1301	#endif	1383	#endif
1302		1384
1303	signals [signum - 1].pending = 1;	1385	signals [signum - 1].pending = 1;
1304	evpipe_write (EV_A_ &sig_pending);	1386	evpipe_write (EV_A_ &sig_pending);
…		…
1346	break;	1428	break;
1347	}	1429	}
1348	}	1430	}
1349	#endif	1431	#endif
1350		1432
		1433	#endif
		1434
1351	/*****************************************************************************/	1435	/*****************************************************************************/
1352		1436
		1437	#if EV_CHILD_ENABLE
1353	static WL childs [EV_PID_HASHSIZE];	1438	static WL childs [EV_PID_HASHSIZE];
1354
1355	#ifndef _WIN32
1356		1439
1357	static ev_signal childev;	1440	static ev_signal childev;
1358		1441
1359	#ifndef WIFCONTINUED	1442	#ifndef WIFCONTINUED
1360	# define WIFCONTINUED(status) 0	1443	# define WIFCONTINUED(status) 0
…		…
1365	child_reap (EV_P_ int chain, int pid, int status)	1448	child_reap (EV_P_ int chain, int pid, int status)
1366	{	1449	{
1367	ev_child *w;	1450	ev_child *w;
1368	int traced = WIFSTOPPED (status) || WIFCONTINUED (status);	1451	int traced = WIFSTOPPED (status) || WIFCONTINUED (status);
1369		1452
1370	for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next)	1453	for (w = (ev_child *)childs [chain & ((EV_PID_HASHSIZE) - 1)]; w; w = (ev_child *)((WL)w)->next)
1371	{	1454	{
1372	if ((w->pid == pid || !w->pid)	1455	if ((w->pid == pid || !w->pid)
1373	&& (!traced || (w->flags & 1)))	1456	&& (!traced || (w->flags & 1)))
1374	{	1457	{
1375	ev_set_priority (w, EV_MAXPRI); /* need to do it *now*, this *must* be the same prio as the signal watcher itself */	1458	ev_set_priority (w, EV_MAXPRI); /* need to do it *now*, this *must* be the same prio as the signal watcher itself */
…		…
1400	/* make sure we are called again until all children have been reaped */	1483	/* make sure we are called again until all children have been reaped */
1401	/* we need to do it this way so that the callback gets called before we continue */	1484	/* we need to do it this way so that the callback gets called before we continue */
1402	ev_feed_event (EV_A_ (W)sw, EV_SIGNAL);	1485	ev_feed_event (EV_A_ (W)sw, EV_SIGNAL);
1403		1486
1404	child_reap (EV_A_ pid, pid, status);	1487	child_reap (EV_A_ pid, pid, status);
1405	if (EV_PID_HASHSIZE > 1)	1488	if ((EV_PID_HASHSIZE) > 1)
1406	child_reap (EV_A_ 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */	1489	child_reap (EV_A_ 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */
1407	}	1490	}
1408		1491
1409	#endif	1492	#endif
1410		1493
1411	/*****************************************************************************/	1494	/*****************************************************************************/
1412		1495
		1496	#if EV_USE_IOCP
		1497	# include "ev_iocp.c"
		1498	#endif
1413	#if EV_USE_PORT	1499	#if EV_USE_PORT
1414	# include "ev_port.c"	1500	# include "ev_port.c"
1415	#endif	1501	#endif
1416	#if EV_USE_KQUEUE	1502	#if EV_USE_KQUEUE
1417	# include "ev_kqueue.c"	1503	# include "ev_kqueue.c"
…		…
1477	#ifdef __APPLE__	1563	#ifdef __APPLE__
1478	/* only select works correctly on that "unix-certified" platform */	1564	/* only select works correctly on that "unix-certified" platform */
1479	flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */	1565	flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */
1480	flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */	1566	flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */
1481	#endif	1567	#endif
		1568	#ifdef __FreeBSD__
		1569	flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */
		1570	#endif
1482		1571
1483	return flags;	1572	return flags;
1484	}	1573	}
1485		1574
1486	unsigned int	1575	unsigned int
1487	ev_embeddable_backends (void)	1576	ev_embeddable_backends (void)
1488	{	1577	{
1489	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;	1578	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
1490		1579
1491	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */	1580	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */
1492	/* please fix it and tell me how to detect the fix */	1581	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
1493	flags &= ~EVBACKEND_EPOLL;	1582	flags &= ~EVBACKEND_EPOLL;
1494		1583
1495	return flags;	1584	return flags;
1496	}	1585	}
1497		1586
1498	unsigned int	1587	unsigned int
1499	ev_backend (EV_P)	1588	ev_backend (EV_P)
1500	{	1589	{
1501	return backend;	1590	return backend;
1502	}	1591	}
1503		1592
1504	#if EV_MINIMAL < 2	1593	#if EV_FEATURE_API
1505	unsigned int	1594	unsigned int
1506	ev_loop_count (EV_P)	1595	ev_iteration (EV_P)
1507	{	1596	{
1508	return loop_count;	1597	return loop_count;
1509	}	1598	}
1510		1599
1511	unsigned int	1600	unsigned int
1512	ev_loop_depth (EV_P)	1601	ev_depth (EV_P)
1513	{	1602	{
1514	return loop_depth;	1603	return loop_depth;
1515	}	1604	}
1516		1605
1517	void	1606	void
…		…
1589		1678
1590	ev_rt_now = ev_time ();	1679	ev_rt_now = ev_time ();
1591	mn_now = get_clock ();	1680	mn_now = get_clock ();
1592	now_floor = mn_now;	1681	now_floor = mn_now;
1593	rtmn_diff = ev_rt_now - mn_now;	1682	rtmn_diff = ev_rt_now - mn_now;
1594	#if EV_MINIMAL < 2	1683	#if EV_FEATURE_API
1595	invoke_cb = ev_invoke_pending;	1684	invoke_cb = ev_invoke_pending;
1596	#endif	1685	#endif
1597		1686
1598	io_blocktime = 0.;	1687	io_blocktime = 0.;
1599	timeout_blocktime = 0.;	1688	timeout_blocktime = 0.;
…		…
1605	#endif	1694	#endif
1606	#if EV_USE_INOTIFY	1695	#if EV_USE_INOTIFY
1607	fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;	1696	fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;
1608	#endif	1697	#endif
1609	#if EV_USE_SIGNALFD	1698	#if EV_USE_SIGNALFD
1610	sigfd = flags & EVFLAG_NOSIGFD ? -1 : -2;	1699	sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;
1611	#endif	1700	#endif
1612		1701
1613	if (!(flags & 0x0000ffffU))	1702	if (!(flags & 0x0000ffffU))
1614	flags |= ev_recommended_backends ();	1703	flags |= ev_recommended_backends ();
1615		1704
		1705	#if EV_USE_IOCP
		1706	if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags);
		1707	#endif
1616	#if EV_USE_PORT	1708	#if EV_USE_PORT
1617	if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);	1709	if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);
1618	#endif	1710	#endif
1619	#if EV_USE_KQUEUE	1711	#if EV_USE_KQUEUE
1620	if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags);	1712	if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags);
…		…
1629	if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags);	1721	if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags);
1630	#endif	1722	#endif
1631		1723
1632	ev_prepare_init (&pending_w, pendingcb);	1724	ev_prepare_init (&pending_w, pendingcb);
1633		1725
		1726	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
1634	ev_init (&pipe_w, pipecb);	1727	ev_init (&pipe_w, pipecb);
1635	ev_set_priority (&pipe_w, EV_MAXPRI);	1728	ev_set_priority (&pipe_w, EV_MAXPRI);
		1729	#endif
1636	}	1730	}
1637	}	1731	}
1638		1732
1639	/* free up a loop structure */	1733	/* free up a loop structure */
1640	static void noinline	1734	void
1641	loop_destroy (EV_P)	1735	ev_loop_destroy (EV_P)
1642	{	1736	{
1643	int i;	1737	int i;
		1738
		1739	#if EV_MULTIPLICITY
		1740	/* mimic free (0) */
		1741	if (!EV_A)
		1742	return;
		1743	#endif
		1744
		1745	#if EV_CLEANUP_ENABLE
		1746	/* queue cleanup watchers (and execute them) */
		1747	if (expect_false (cleanupcnt))
		1748	{
		1749	queue_events (EV_A_ (W *)cleanups, cleanupcnt, EV_CLEANUP);
		1750	EV_INVOKE_PENDING;
		1751	}
		1752	#endif
		1753
		1754	#if EV_CHILD_ENABLE
		1755	if (ev_is_active (&childev))
		1756	{
		1757	ev_ref (EV_A); /* child watcher */
		1758	ev_signal_stop (EV_A_ &childev);
		1759	}
		1760	#endif
1644		1761
1645	if (ev_is_active (&pipe_w))	1762	if (ev_is_active (&pipe_w))
1646	{	1763	{
1647	/*ev_ref (EV_A);*/	1764	/*ev_ref (EV_A);*/
1648	/*ev_io_stop (EV_A_ &pipe_w);*/	1765	/*ev_io_stop (EV_A_ &pipe_w);*/
…		…
1670	#endif	1787	#endif
1671		1788
1672	if (backend_fd >= 0)	1789	if (backend_fd >= 0)
1673	close (backend_fd);	1790	close (backend_fd);
1674		1791
		1792	#if EV_USE_IOCP
		1793	if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A);
		1794	#endif
1675	#if EV_USE_PORT	1795	#if EV_USE_PORT
1676	if (backend == EVBACKEND_PORT ) port_destroy (EV_A);	1796	if (backend == EVBACKEND_PORT ) port_destroy (EV_A);
1677	#endif	1797	#endif
1678	#if EV_USE_KQUEUE	1798	#if EV_USE_KQUEUE
1679	if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A);	1799	if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A);
…		…
1706	array_free (periodic, EMPTY);	1826	array_free (periodic, EMPTY);
1707	#endif	1827	#endif
1708	#if EV_FORK_ENABLE	1828	#if EV_FORK_ENABLE
1709	array_free (fork, EMPTY);	1829	array_free (fork, EMPTY);
1710	#endif	1830	#endif
		1831	#if EV_CLEANUP_ENABLE
		1832	array_free (cleanup, EMPTY);
		1833	#endif
1711	array_free (prepare, EMPTY);	1834	array_free (prepare, EMPTY);
1712	array_free (check, EMPTY);	1835	array_free (check, EMPTY);
1713	#if EV_ASYNC_ENABLE	1836	#if EV_ASYNC_ENABLE
1714	array_free (async, EMPTY);	1837	array_free (async, EMPTY);
1715	#endif	1838	#endif
1716		1839
1717	backend = 0;	1840	backend = 0;
		1841
		1842	#if EV_MULTIPLICITY
		1843	if (ev_is_default_loop (EV_A))
		1844	#endif
		1845	ev_default_loop_ptr = 0;
		1846	#if EV_MULTIPLICITY
		1847	else
		1848	ev_free (EV_A);
		1849	#endif
1718	}	1850	}
1719		1851
1720	#if EV_USE_INOTIFY	1852	#if EV_USE_INOTIFY
1721	inline_size void infy_fork (EV_P);	1853	inline_size void infy_fork (EV_P);
1722	#endif	1854	#endif
…		…
1758	{	1890	{
1759	EV_WIN32_CLOSE_FD (evpipe [0]);	1891	EV_WIN32_CLOSE_FD (evpipe [0]);
1760	EV_WIN32_CLOSE_FD (evpipe [1]);	1892	EV_WIN32_CLOSE_FD (evpipe [1]);
1761	}	1893	}
1762		1894
		1895	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
1763	evpipe_init (EV_A);	1896	evpipe_init (EV_A);
1764	/* now iterate over everything, in case we missed something */	1897	/* now iterate over everything, in case we missed something */
1765	pipecb (EV_A_ &pipe_w, EV_READ);	1898	pipecb (EV_A_ &pipe_w, EV_READ);
		1899	#endif
1766	}	1900	}
1767		1901
1768	postfork = 0;	1902	postfork = 0;
1769	}	1903	}
1770		1904
…		…
1779	loop_init (EV_A_ flags);	1913	loop_init (EV_A_ flags);
1780		1914
1781	if (ev_backend (EV_A))	1915	if (ev_backend (EV_A))
1782	return EV_A;	1916	return EV_A;
1783		1917
		1918	ev_free (EV_A);
1784	return 0;	1919	return 0;
1785	}	1920	}
1786		1921
1787	void
1788	ev_loop_destroy (EV_P)
1789	{
1790	loop_destroy (EV_A);
1791	ev_free (loop);
1792	}
1793
1794	void
1795	ev_loop_fork (EV_P)
1796	{
1797	postfork = 1; /* must be in line with ev_default_fork */
1798	}
1799	#endif /* multiplicity */	1922	#endif /* multiplicity */
1800		1923
1801	#if EV_VERIFY	1924	#if EV_VERIFY
1802	static void noinline	1925	static void noinline
1803	verify_watcher (EV_P_ W w)	1926	verify_watcher (EV_P_ W w)
…		…
1832	verify_watcher (EV_A_ ws [cnt]);	1955	verify_watcher (EV_A_ ws [cnt]);
1833	}	1956	}
1834	}	1957	}
1835	#endif	1958	#endif
1836		1959
1837	#if EV_MINIMAL < 2	1960	#if EV_FEATURE_API
1838	void	1961	void
1839	ev_loop_verify (EV_P)	1962	ev_verify (EV_P)
1840	{	1963	{
1841	#if EV_VERIFY	1964	#if EV_VERIFY
1842	int i;	1965	int i;
1843	WL w;	1966	WL w;
1844		1967
…		…
1878	#if EV_FORK_ENABLE	2001	#if EV_FORK_ENABLE
1879	assert (forkmax >= forkcnt);	2002	assert (forkmax >= forkcnt);
1880	array_verify (EV_A_ (W *)forks, forkcnt);	2003	array_verify (EV_A_ (W *)forks, forkcnt);
1881	#endif	2004	#endif
1882		2005
		2006	#if EV_CLEANUP_ENABLE
		2007	assert (cleanupmax >= cleanupcnt);
		2008	array_verify (EV_A_ (W *)cleanups, cleanupcnt);
		2009	#endif
		2010
1883	#if EV_ASYNC_ENABLE	2011	#if EV_ASYNC_ENABLE
1884	assert (asyncmax >= asynccnt);	2012	assert (asyncmax >= asynccnt);
1885	array_verify (EV_A_ (W *)asyncs, asynccnt);	2013	array_verify (EV_A_ (W *)asyncs, asynccnt);
1886	#endif	2014	#endif
1887		2015
		2016	#if EV_PREPARE_ENABLE
1888	assert (preparemax >= preparecnt);	2017	assert (preparemax >= preparecnt);
1889	array_verify (EV_A_ (W *)prepares, preparecnt);	2018	array_verify (EV_A_ (W *)prepares, preparecnt);
		2019	#endif
1890		2020
		2021	#if EV_CHECK_ENABLE
1891	assert (checkmax >= checkcnt);	2022	assert (checkmax >= checkcnt);
1892	array_verify (EV_A_ (W *)checks, checkcnt);	2023	array_verify (EV_A_ (W *)checks, checkcnt);
		2024	#endif
1893		2025
1894	# if 0	2026	# if 0
		2027	#if EV_CHILD_ENABLE
1895	for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next)	2028	for (w = (ev_child *)childs [chain & ((EV_PID_HASHSIZE) - 1)]; w; w = (ev_child *)((WL)w)->next)
1896	for (signum = EV_NSIG; signum--; ) if (signals [signum].pending)	2029	for (signum = EV_NSIG; signum--; ) if (signals [signum].pending)
		2030	#endif
1897	# endif	2031	# endif
1898	#endif	2032	#endif
1899	}	2033	}
1900	#endif	2034	#endif
1901		2035
1902	#if EV_MULTIPLICITY	2036	#if EV_MULTIPLICITY
1903	struct ev_loop *	2037	struct ev_loop *
1904	ev_default_loop_init (unsigned int flags)
1905	#else	2038	#else
1906	int	2039	int
		2040	#endif
1907	ev_default_loop (unsigned int flags)	2041	ev_default_loop (unsigned int flags)
1908	#endif
1909	{	2042	{
1910	if (!ev_default_loop_ptr)	2043	if (!ev_default_loop_ptr)
1911	{	2044	{
1912	#if EV_MULTIPLICITY	2045	#if EV_MULTIPLICITY
1913	EV_P = ev_default_loop_ptr = &default_loop_struct;	2046	EV_P = ev_default_loop_ptr = &default_loop_struct;
…		…
1917		2050
1918	loop_init (EV_A_ flags);	2051	loop_init (EV_A_ flags);
1919		2052
1920	if (ev_backend (EV_A))	2053	if (ev_backend (EV_A))
1921	{	2054	{
1922	#ifndef _WIN32	2055	#if EV_CHILD_ENABLE
1923	ev_signal_init (&childev, childcb, SIGCHLD);	2056	ev_signal_init (&childev, childcb, SIGCHLD);
1924	ev_set_priority (&childev, EV_MAXPRI);	2057	ev_set_priority (&childev, EV_MAXPRI);
1925	ev_signal_start (EV_A_ &childev);	2058	ev_signal_start (EV_A_ &childev);
1926	ev_unref (EV_A); /* child watcher should not keep loop alive */	2059	ev_unref (EV_A); /* child watcher should not keep loop alive */
1927	#endif	2060	#endif
…		…
1932		2065
1933	return ev_default_loop_ptr;	2066	return ev_default_loop_ptr;
1934	}	2067	}
1935		2068
1936	void	2069	void
1937	ev_default_destroy (void)	2070	ev_loop_fork (EV_P)
1938	{	2071	{
1939	#if EV_MULTIPLICITY
1940	EV_P = ev_default_loop_ptr;
1941	#endif
1942
1943	ev_default_loop_ptr = 0;
1944
1945	#ifndef _WIN32
1946	ev_ref (EV_A); /* child watcher */
1947	ev_signal_stop (EV_A_ &childev);
1948	#endif
1949
1950	loop_destroy (EV_A);
1951	}
1952
1953	void
1954	ev_default_fork (void)
1955	{
1956	#if EV_MULTIPLICITY
1957	EV_P = ev_default_loop_ptr;
1958	#endif
1959
1960	postfork = 1; /* must be in line with ev_loop_fork */	2072	postfork = 1; /* must be in line with ev_default_fork */
1961	}	2073	}
1962		2074
1963	/*****************************************************************************/	2075	/*****************************************************************************/
1964		2076
1965	void	2077	void
…		…
2056	EV_FREQUENT_CHECK;	2168	EV_FREQUENT_CHECK;
2057	feed_reverse (EV_A_ (W)w);	2169	feed_reverse (EV_A_ (W)w);
2058	}	2170	}
2059	while (timercnt && ANHE_at (timers [HEAP0]) < mn_now);	2171	while (timercnt && ANHE_at (timers [HEAP0]) < mn_now);
2060		2172
2061	feed_reverse_done (EV_A_ EV_TIMEOUT);	2173	feed_reverse_done (EV_A_ EV_TIMER);
2062	}	2174	}
2063	}	2175	}
2064		2176
2065	#if EV_PERIODIC_ENABLE	2177	#if EV_PERIODIC_ENABLE
2066	/* make periodics pending */	2178	/* make periodics pending */
…		…
2119	feed_reverse_done (EV_A_ EV_PERIODIC);	2231	feed_reverse_done (EV_A_ EV_PERIODIC);
2120	}	2232	}
2121	}	2233	}
2122		2234
2123	/* simply recalculate all periodics */	2235	/* simply recalculate all periodics */
2124	/* TODO: maybe ensure that at leats one event happens when jumping forward? */	2236	/* TODO: maybe ensure that at least one event happens when jumping forward? */
2125	static void noinline	2237	static void noinline
2126	periodics_reschedule (EV_P)	2238	periodics_reschedule (EV_P)
2127	{	2239	{
2128	int i;	2240	int i;
2129		2241
…		…
2157	ANHE_at_cache (*he);	2269	ANHE_at_cache (*he);
2158	}	2270	}
2159	}	2271	}
2160		2272
2161	/* fetch new monotonic and realtime times from the kernel */	2273	/* fetch new monotonic and realtime times from the kernel */
2162	/* also detetc if there was a timejump, and act accordingly */	2274	/* also detect if there was a timejump, and act accordingly */
2163	inline_speed void	2275	inline_speed void
2164	time_update (EV_P_ ev_tstamp max_block)	2276	time_update (EV_P_ ev_tstamp max_block)
2165	{	2277	{
2166	#if EV_USE_MONOTONIC	2278	#if EV_USE_MONOTONIC
2167	if (expect_true (have_monotonic))	2279	if (expect_true (have_monotonic))
…		…
2225	mn_now = ev_rt_now;	2337	mn_now = ev_rt_now;
2226	}	2338	}
2227	}	2339	}
2228		2340
2229	void	2341	void
2230	ev_loop (EV_P_ int flags)	2342	ev_run (EV_P_ int flags)
2231	{	2343	{
2232	#if EV_MINIMAL < 2	2344	#if EV_FEATURE_API
2233	++loop_depth;	2345	++loop_depth;
2234	#endif	2346	#endif
2235		2347
2236	assert (("libev: ev_loop recursion during release detected", loop_done != EVUNLOOP_RECURSE));	2348	assert (("libev: ev_loop recursion during release detected", loop_done != EVBREAK_RECURSE));
2237		2349
2238	loop_done = EVUNLOOP_CANCEL;	2350	loop_done = EVBREAK_CANCEL;
2239		2351
2240	EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */	2352	EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */
2241		2353
2242	do	2354	do
2243	{	2355	{
2244	#if EV_VERIFY >= 2	2356	#if EV_VERIFY >= 2
2245	ev_loop_verify (EV_A);	2357	ev_verify (EV_A);
2246	#endif	2358	#endif
2247		2359
2248	#ifndef _WIN32	2360	#ifndef _WIN32
2249	if (expect_false (curpid)) /* penalise the forking check even more */	2361	if (expect_false (curpid)) /* penalise the forking check even more */
2250	if (expect_false (getpid () != curpid))	2362	if (expect_false (getpid () != curpid))
…		…
2262	queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);	2374	queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);
2263	EV_INVOKE_PENDING;	2375	EV_INVOKE_PENDING;
2264	}	2376	}
2265	#endif	2377	#endif
2266		2378
		2379	#if EV_PREPARE_ENABLE
2267	/* queue prepare watchers (and execute them) */	2380	/* queue prepare watchers (and execute them) */
2268	if (expect_false (preparecnt))	2381	if (expect_false (preparecnt))
2269	{	2382	{
2270	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);	2383	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
2271	EV_INVOKE_PENDING;	2384	EV_INVOKE_PENDING;
2272	}	2385	}
		2386	#endif
2273		2387
2274	if (expect_false (loop_done))	2388	if (expect_false (loop_done))
2275	break;	2389	break;
2276		2390
2277	/* we might have forked, so reify kernel state if necessary */	2391	/* we might have forked, so reify kernel state if necessary */
…		…
2284	/* calculate blocking time */	2398	/* calculate blocking time */
2285	{	2399	{
2286	ev_tstamp waittime = 0.;	2400	ev_tstamp waittime = 0.;
2287	ev_tstamp sleeptime = 0.;	2401	ev_tstamp sleeptime = 0.;
2288		2402
		2403	/* remember old timestamp for io_blocktime calculation */
		2404	ev_tstamp prev_mn_now = mn_now;
		2405
		2406	/* update time to cancel out callback processing overhead */
		2407	time_update (EV_A_ 1e100);
		2408
2289	if (expect_true (!(flags & EVLOOP_NONBLOCK || idleall || !activecnt)))	2409	if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt)))
2290	{	2410	{
2291	/* remember old timestamp for io_blocktime calculation */
2292	ev_tstamp prev_mn_now = mn_now;
2293
2294	/* update time to cancel out callback processing overhead */
2295	time_update (EV_A_ 1e100);
2296
2297	waittime = MAX_BLOCKTIME;	2411	waittime = MAX_BLOCKTIME;
2298		2412
2299	if (timercnt)	2413	if (timercnt)
2300	{	2414	{
2301	ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge;	2415	ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge;
…		…
2328	waittime -= sleeptime;	2442	waittime -= sleeptime;
2329	}	2443	}
2330	}	2444	}
2331	}	2445	}
2332		2446
2333	#if EV_MINIMAL < 2	2447	#if EV_FEATURE_API
2334	++loop_count;	2448	++loop_count;
2335	#endif	2449	#endif
2336	assert ((loop_done = EVUNLOOP_RECURSE, 1)); /* assert for side effect */	2450	assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */
2337	backend_poll (EV_A_ waittime);	2451	backend_poll (EV_A_ waittime);
2338	assert ((loop_done = EVUNLOOP_CANCEL, 1)); /* assert for side effect */	2452	assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */
2339		2453
2340	/* update ev_rt_now, do magic */	2454	/* update ev_rt_now, do magic */
2341	time_update (EV_A_ waittime + sleeptime);	2455	time_update (EV_A_ waittime + sleeptime);
2342	}	2456	}
2343		2457
…		…
2350	#if EV_IDLE_ENABLE	2464	#if EV_IDLE_ENABLE
2351	/* queue idle watchers unless other events are pending */	2465	/* queue idle watchers unless other events are pending */
2352	idle_reify (EV_A);	2466	idle_reify (EV_A);
2353	#endif	2467	#endif
2354		2468
		2469	#if EV_CHECK_ENABLE
2355	/* queue check watchers, to be executed first */	2470	/* queue check watchers, to be executed first */
2356	if (expect_false (checkcnt))	2471	if (expect_false (checkcnt))
2357	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);	2472	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
		2473	#endif
2358		2474
2359	EV_INVOKE_PENDING;	2475	EV_INVOKE_PENDING;
2360	}	2476	}
2361	while (expect_true (	2477	while (expect_true (
2362	activecnt	2478	activecnt
2363	&& !loop_done	2479	&& !loop_done
2364	&& !(flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK))	2480	&& !(flags & (EVRUN_ONCE | EVRUN_NOWAIT))
2365	));	2481	));
2366		2482
2367	if (loop_done == EVUNLOOP_ONE)	2483	if (loop_done == EVBREAK_ONE)
2368	loop_done = EVUNLOOP_CANCEL;	2484	loop_done = EVBREAK_CANCEL;
2369		2485
2370	#if EV_MINIMAL < 2	2486	#if EV_FEATURE_API
2371	--loop_depth;	2487	--loop_depth;
2372	#endif	2488	#endif
2373	}	2489	}
2374		2490
2375	void	2491	void
2376	ev_unloop (EV_P_ int how)	2492	ev_break (EV_P_ int how)
2377	{	2493	{
2378	loop_done = how;	2494	loop_done = how;
2379	}	2495	}
2380		2496
2381	void	2497	void
…		…
2501		2617
2502	if (expect_false (ev_is_active (w)))	2618	if (expect_false (ev_is_active (w)))
2503	return;	2619	return;
2504		2620
2505	assert (("libev: ev_io_start called with negative fd", fd >= 0));	2621	assert (("libev: ev_io_start called with negative fd", fd >= 0));
2506	assert (("libev: ev_io start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE))));	2622	assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE))));
2507		2623
2508	EV_FREQUENT_CHECK;	2624	EV_FREQUENT_CHECK;
2509		2625
2510	ev_start (EV_A_ (W)w, 1);	2626	ev_start (EV_A_ (W)w, 1);
2511	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);	2627	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);
…		…
2529	EV_FREQUENT_CHECK;	2645	EV_FREQUENT_CHECK;
2530		2646
2531	wlist_del (&anfds[w->fd].head, (WL)w);	2647	wlist_del (&anfds[w->fd].head, (WL)w);
2532	ev_stop (EV_A_ (W)w);	2648	ev_stop (EV_A_ (W)w);
2533		2649
2534	fd_change (EV_A_ w->fd, 1);	2650	fd_change (EV_A_ w->fd, EV_ANFD_REIFY);
2535		2651
2536	EV_FREQUENT_CHECK;	2652	EV_FREQUENT_CHECK;
2537	}	2653	}
2538		2654
2539	void noinline	2655	void noinline
…		…
2581	timers [active] = timers [timercnt + HEAP0];	2697	timers [active] = timers [timercnt + HEAP0];
2582	adjustheap (timers, timercnt, active);	2698	adjustheap (timers, timercnt, active);
2583	}	2699	}
2584	}	2700	}
2585		2701
2586	EV_FREQUENT_CHECK;
2587
2588	ev_at (w) -= mn_now;	2702	ev_at (w) -= mn_now;
2589		2703
2590	ev_stop (EV_A_ (W)w);	2704	ev_stop (EV_A_ (W)w);
		2705
		2706	EV_FREQUENT_CHECK;
2591	}	2707	}
2592		2708
2593	void noinline	2709	void noinline
2594	ev_timer_again (EV_P_ ev_timer *w)	2710	ev_timer_again (EV_P_ ev_timer *w)
2595	{	2711	{
…		…
2674	periodics [active] = periodics [periodiccnt + HEAP0];	2790	periodics [active] = periodics [periodiccnt + HEAP0];
2675	adjustheap (periodics, periodiccnt, active);	2791	adjustheap (periodics, periodiccnt, active);
2676	}	2792	}
2677	}	2793	}
2678		2794
2679	EV_FREQUENT_CHECK;
2680
2681	ev_stop (EV_A_ (W)w);	2795	ev_stop (EV_A_ (W)w);
		2796
		2797	EV_FREQUENT_CHECK;
2682	}	2798	}
2683		2799
2684	void noinline	2800	void noinline
2685	ev_periodic_again (EV_P_ ev_periodic *w)	2801	ev_periodic_again (EV_P_ ev_periodic *w)
2686	{	2802	{
…		…
2691	#endif	2807	#endif
2692		2808
2693	#ifndef SA_RESTART	2809	#ifndef SA_RESTART
2694	# define SA_RESTART 0	2810	# define SA_RESTART 0
2695	#endif	2811	#endif
		2812
		2813	#if EV_SIGNAL_ENABLE
2696		2814
2697	void noinline	2815	void noinline
2698	ev_signal_start (EV_P_ ev_signal *w)	2816	ev_signal_start (EV_P_ ev_signal *w)
2699	{	2817	{
2700	if (expect_false (ev_is_active (w)))	2818	if (expect_false (ev_is_active (w)))
…		…
2747	if (!((WL)w)->next)	2865	if (!((WL)w)->next)
2748	# if EV_USE_SIGNALFD	2866	# if EV_USE_SIGNALFD
2749	if (sigfd < 0) /*TODO*/	2867	if (sigfd < 0) /*TODO*/
2750	# endif	2868	# endif
2751	{	2869	{
2752	# if _WIN32	2870	# ifdef _WIN32
2753	evpipe_init (EV_A);	2871	evpipe_init (EV_A);
2754		2872
2755	signal (w->signum, ev_sighandler);	2873	signal (w->signum, ev_sighandler);
2756	# else	2874	# else
2757	struct sigaction sa;	2875	struct sigaction sa;
…		…
2790	signals [w->signum - 1].loop = 0; /* unattach from signal */	2908	signals [w->signum - 1].loop = 0; /* unattach from signal */
2791	#endif	2909	#endif
2792	#if EV_USE_SIGNALFD	2910	#if EV_USE_SIGNALFD
2793	if (sigfd >= 0)	2911	if (sigfd >= 0)
2794	{	2912	{
2795	sigprocmask (SIG_UNBLOCK, &sigfd_set, 0);//D	2913	sigset_t ss;
		2914
		2915	sigemptyset (&ss);
		2916	sigaddset (&ss, w->signum);
2796	sigdelset (&sigfd_set, w->signum);	2917	sigdelset (&sigfd_set, w->signum);
		2918
2797	signalfd (sigfd, &sigfd_set, 0);	2919	signalfd (sigfd, &sigfd_set, 0);
2798	sigprocmask (SIG_BLOCK, &sigfd_set, 0);//D	2920	sigprocmask (SIG_UNBLOCK, &ss, 0);
2799	/*TODO: maybe unblock signal? */
2800	}	2921	}
2801	else	2922	else
2802	#endif	2923	#endif
2803	signal (w->signum, SIG_DFL);	2924	signal (w->signum, SIG_DFL);
2804	}	2925	}
2805		2926
2806	EV_FREQUENT_CHECK;	2927	EV_FREQUENT_CHECK;
2807	}	2928	}
2808		2929
		2930	#endif
		2931
		2932	#if EV_CHILD_ENABLE
		2933
2809	void	2934	void
2810	ev_child_start (EV_P_ ev_child *w)	2935	ev_child_start (EV_P_ ev_child *w)
2811	{	2936	{
2812	#if EV_MULTIPLICITY	2937	#if EV_MULTIPLICITY
2813	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));	2938	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
…		…
2816	return;	2941	return;
2817		2942
2818	EV_FREQUENT_CHECK;	2943	EV_FREQUENT_CHECK;
2819		2944
2820	ev_start (EV_A_ (W)w, 1);	2945	ev_start (EV_A_ (W)w, 1);
2821	wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);	2946	wlist_add (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w);
2822		2947
2823	EV_FREQUENT_CHECK;	2948	EV_FREQUENT_CHECK;
2824	}	2949	}
2825		2950
2826	void	2951	void
…		…
2830	if (expect_false (!ev_is_active (w)))	2955	if (expect_false (!ev_is_active (w)))
2831	return;	2956	return;
2832		2957
2833	EV_FREQUENT_CHECK;	2958	EV_FREQUENT_CHECK;
2834		2959
2835	wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);	2960	wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w);
2836	ev_stop (EV_A_ (W)w);	2961	ev_stop (EV_A_ (W)w);
2837		2962
2838	EV_FREQUENT_CHECK;	2963	EV_FREQUENT_CHECK;
2839	}	2964	}
		2965
		2966	#endif
2840		2967
2841	#if EV_STAT_ENABLE	2968	#if EV_STAT_ENABLE
2842		2969
2843	# ifdef _WIN32	2970	# ifdef _WIN32
2844	# undef lstat	2971	# undef lstat
…		…
2850	#define MIN_STAT_INTERVAL 0.1074891	2977	#define MIN_STAT_INTERVAL 0.1074891
2851		2978
2852	static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents);	2979	static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents);
2853		2980
2854	#if EV_USE_INOTIFY	2981	#if EV_USE_INOTIFY
2855	# define EV_INOTIFY_BUFSIZE 8192	2982
		2983	/* the * 2 is to allow for alignment padding, which for some reason is >> 8 */
		2984	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)
2856		2985
2857	static void noinline	2986	static void noinline
2858	infy_add (EV_P_ ev_stat *w)	2987	infy_add (EV_P_ ev_stat *w)
2859	{	2988	{
2860	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);	2989	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);
…		…
2909	while (w->wd < 0 && (errno == ENOENT || errno == EACCES));	3038	while (w->wd < 0 && (errno == ENOENT || errno == EACCES));
2910	}	3039	}
2911	}	3040	}
2912		3041
2913	if (w->wd >= 0)	3042	if (w->wd >= 0)
2914	wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w);	3043	wlist_add (&fs_hash [w->wd & ((EV_INOTIFY_HASHSIZE) - 1)].head, (WL)w);
2915		3044
2916	/* now re-arm timer, if required */	3045	/* now re-arm timer, if required */
2917	if (ev_is_active (&w->timer)) ev_ref (EV_A);	3046	if (ev_is_active (&w->timer)) ev_ref (EV_A);
2918	ev_timer_again (EV_A_ &w->timer);	3047	ev_timer_again (EV_A_ &w->timer);
2919	if (ev_is_active (&w->timer)) ev_unref (EV_A);	3048	if (ev_is_active (&w->timer)) ev_unref (EV_A);
…		…
2927		3056
2928	if (wd < 0)	3057	if (wd < 0)
2929	return;	3058	return;
2930		3059
2931	w->wd = -2;	3060	w->wd = -2;
2932	slot = wd & (EV_INOTIFY_HASHSIZE - 1);	3061	slot = wd & ((EV_INOTIFY_HASHSIZE) - 1);
2933	wlist_del (&fs_hash [slot].head, (WL)w);	3062	wlist_del (&fs_hash [slot].head, (WL)w);
2934		3063
2935	/* remove this watcher, if others are watching it, they will rearm */	3064	/* remove this watcher, if others are watching it, they will rearm */
2936	inotify_rm_watch (fs_fd, wd);	3065	inotify_rm_watch (fs_fd, wd);
2937	}	3066	}
…		…
2939	static void noinline	3068	static void noinline
2940	infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)	3069	infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)
2941	{	3070	{
2942	if (slot < 0)	3071	if (slot < 0)
2943	/* overflow, need to check for all hash slots */	3072	/* overflow, need to check for all hash slots */
2944	for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot)	3073	for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)
2945	infy_wd (EV_A_ slot, wd, ev);	3074	infy_wd (EV_A_ slot, wd, ev);
2946	else	3075	else
2947	{	3076	{
2948	WL w_;	3077	WL w_;
2949		3078
2950	for (w_ = fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head; w_; )	3079	for (w_ = fs_hash [slot & ((EV_INOTIFY_HASHSIZE) - 1)].head; w_; )
2951	{	3080	{
2952	ev_stat *w = (ev_stat *)w_;	3081	ev_stat *w = (ev_stat *)w_;
2953	w_ = w_->next; /* lets us remove this watcher and all before it */	3082	w_ = w_->next; /* lets us remove this watcher and all before it */
2954		3083
2955	if (w->wd == wd || wd == -1)	3084	if (w->wd == wd || wd == -1)
2956	{	3085	{
2957	if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF))	3086	if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF))
2958	{	3087	{
2959	wlist_del (&fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w);	3088	wlist_del (&fs_hash [slot & ((EV_INOTIFY_HASHSIZE) - 1)].head, (WL)w);
2960	w->wd = -1;	3089	w->wd = -1;
2961	infy_add (EV_A_ w); /* re-add, no matter what */	3090	infy_add (EV_A_ w); /* re-add, no matter what */
2962	}	3091	}
2963		3092
2964	stat_timer_cb (EV_A_ &w->timer, 0);	3093	stat_timer_cb (EV_A_ &w->timer, 0);
…		…
2969		3098
2970	static void	3099	static void
2971	infy_cb (EV_P_ ev_io *w, int revents)	3100	infy_cb (EV_P_ ev_io *w, int revents)
2972	{	3101	{
2973	char buf [EV_INOTIFY_BUFSIZE];	3102	char buf [EV_INOTIFY_BUFSIZE];
2974	struct inotify_event *ev = (struct inotify_event *)buf;
2975	int ofs;	3103	int ofs;
2976	int len = read (fs_fd, buf, sizeof (buf));	3104	int len = read (fs_fd, buf, sizeof (buf));
2977		3105
2978	for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len)	3106	for (ofs = 0; ofs < len; )
		3107	{
		3108	struct inotify_event *ev = (struct inotify_event *)(buf + ofs);
2979	infy_wd (EV_A_ ev->wd, ev->wd, ev);	3109	infy_wd (EV_A_ ev->wd, ev->wd, ev);
		3110	ofs += sizeof (struct inotify_event) + ev->len;
		3111	}
2980	}	3112	}
2981		3113
2982	inline_size void	3114	inline_size void
2983	check_2625 (EV_P)	3115	ev_check_2625 (EV_P)
2984	{	3116	{
2985	/* kernels < 2.6.25 are borked	3117	/* kernels < 2.6.25 are borked
2986	* http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html	3118	* http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html
2987	*/	3119	*/
2988	struct utsname buf;	3120	if (ev_linux_version () < 0x020619)
2989	int major, minor, micro;
2990
2991	if (uname (&buf))
2992	return;
2993
2994	if (sscanf (buf.release, "%d.%d.%d", &major, &minor, &micro) != 3)
2995	return;
2996
2997	if (major < 2
2998	|| (major == 2 && minor < 6)
2999	|| (major == 2 && minor == 6 && micro < 25))
3000	return;	3121	return;
3001		3122
3002	fs_2625 = 1;	3123	fs_2625 = 1;
3003	}	3124	}
3004		3125
…		…
3019	if (fs_fd != -2)	3140	if (fs_fd != -2)
3020	return;	3141	return;
3021		3142
3022	fs_fd = -1;	3143	fs_fd = -1;
3023		3144
3024	check_2625 (EV_A);	3145	ev_check_2625 (EV_A);
3025		3146
3026	fs_fd = infy_newfd ();	3147	fs_fd = infy_newfd ();
3027		3148
3028	if (fs_fd >= 0)	3149	if (fs_fd >= 0)
3029	{	3150	{
…		…
3054	ev_io_set (&fs_w, fs_fd, EV_READ);	3175	ev_io_set (&fs_w, fs_fd, EV_READ);
3055	ev_io_start (EV_A_ &fs_w);	3176	ev_io_start (EV_A_ &fs_w);
3056	ev_unref (EV_A);	3177	ev_unref (EV_A);
3057	}	3178	}
3058		3179
3059	for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot)	3180	for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)
3060	{	3181	{
3061	WL w_ = fs_hash [slot].head;	3182	WL w_ = fs_hash [slot].head;
3062	fs_hash [slot].head = 0;	3183	fs_hash [slot].head = 0;
3063		3184
3064	while (w_)	3185	while (w_)
…		…
3101	static void noinline	3222	static void noinline
3102	stat_timer_cb (EV_P_ ev_timer *w_, int revents)	3223	stat_timer_cb (EV_P_ ev_timer *w_, int revents)
3103	{	3224	{
3104	ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer));	3225	ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer));
3105		3226
3106	/* we copy this here each the time so that */	3227	ev_statdata prev = w->attr;
3107	/* prev has the old value when the callback gets invoked */
3108	w->prev = w->attr;
3109	ev_stat_stat (EV_A_ w);	3228	ev_stat_stat (EV_A_ w);
3110		3229
3111	/* memcmp doesn't work on netbsd, they.... do stuff to their struct stat */	3230	/* memcmp doesn't work on netbsd, they.... do stuff to their struct stat */
3112	if (	3231	if (
3113	w->prev.st_dev != w->attr.st_dev	3232	prev.st_dev != w->attr.st_dev
3114	|| w->prev.st_ino != w->attr.st_ino	3233	|| prev.st_ino != w->attr.st_ino
3115	|| w->prev.st_mode != w->attr.st_mode	3234	|| prev.st_mode != w->attr.st_mode
3116	|| w->prev.st_nlink != w->attr.st_nlink	3235	|| prev.st_nlink != w->attr.st_nlink
3117	|| w->prev.st_uid != w->attr.st_uid	3236	|| prev.st_uid != w->attr.st_uid
3118	|| w->prev.st_gid != w->attr.st_gid	3237	|| prev.st_gid != w->attr.st_gid
3119	|| w->prev.st_rdev != w->attr.st_rdev	3238	|| prev.st_rdev != w->attr.st_rdev
3120	|| w->prev.st_size != w->attr.st_size	3239	|| prev.st_size != w->attr.st_size
3121	|| w->prev.st_atime != w->attr.st_atime	3240	|| prev.st_atime != w->attr.st_atime
3122	|| w->prev.st_mtime != w->attr.st_mtime	3241	|| prev.st_mtime != w->attr.st_mtime
3123	|| w->prev.st_ctime != w->attr.st_ctime	3242	|| prev.st_ctime != w->attr.st_ctime
3124	) {	3243	) {
		3244	/* we only update w->prev on actual differences */
		3245	/* in case we test more often than invoke the callback, */
		3246	/* to ensure that prev is always different to attr */
		3247	w->prev = prev;
		3248
3125	#if EV_USE_INOTIFY	3249	#if EV_USE_INOTIFY
3126	if (fs_fd >= 0)	3250	if (fs_fd >= 0)
3127	{	3251	{
3128	infy_del (EV_A_ w);	3252	infy_del (EV_A_ w);
3129	infy_add (EV_A_ w);	3253	infy_add (EV_A_ w);
…		…
3236		3360
3237	EV_FREQUENT_CHECK;	3361	EV_FREQUENT_CHECK;
3238	}	3362	}
3239	#endif	3363	#endif
3240		3364
		3365	#if EV_PREPARE_ENABLE
3241	void	3366	void
3242	ev_prepare_start (EV_P_ ev_prepare *w)	3367	ev_prepare_start (EV_P_ ev_prepare *w)
3243	{	3368	{
3244	if (expect_false (ev_is_active (w)))	3369	if (expect_false (ev_is_active (w)))
3245	return;	3370	return;
…		…
3271		3396
3272	ev_stop (EV_A_ (W)w);	3397	ev_stop (EV_A_ (W)w);
3273		3398
3274	EV_FREQUENT_CHECK;	3399	EV_FREQUENT_CHECK;
3275	}	3400	}
		3401	#endif
3276		3402
		3403	#if EV_CHECK_ENABLE
3277	void	3404	void
3278	ev_check_start (EV_P_ ev_check *w)	3405	ev_check_start (EV_P_ ev_check *w)
3279	{	3406	{
3280	if (expect_false (ev_is_active (w)))	3407	if (expect_false (ev_is_active (w)))
3281	return;	3408	return;
…		…
3307		3434
3308	ev_stop (EV_A_ (W)w);	3435	ev_stop (EV_A_ (W)w);
3309		3436
3310	EV_FREQUENT_CHECK;	3437	EV_FREQUENT_CHECK;
3311	}	3438	}
		3439	#endif
3312		3440
3313	#if EV_EMBED_ENABLE	3441	#if EV_EMBED_ENABLE
3314	void noinline	3442	void noinline
3315	ev_embed_sweep (EV_P_ ev_embed *w)	3443	ev_embed_sweep (EV_P_ ev_embed *w)
3316	{	3444	{
3317	ev_loop (w->other, EVLOOP_NONBLOCK);	3445	ev_run (w->other, EVRUN_NOWAIT);
3318	}	3446	}
3319		3447
3320	static void	3448	static void
3321	embed_io_cb (EV_P_ ev_io *io, int revents)	3449	embed_io_cb (EV_P_ ev_io *io, int revents)
3322	{	3450	{
3323	ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io));	3451	ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io));
3324		3452
3325	if (ev_cb (w))	3453	if (ev_cb (w))
3326	ev_feed_event (EV_A_ (W)w, EV_EMBED);	3454	ev_feed_event (EV_A_ (W)w, EV_EMBED);
3327	else	3455	else
3328	ev_loop (w->other, EVLOOP_NONBLOCK);	3456	ev_run (w->other, EVRUN_NOWAIT);
3329	}	3457	}
3330		3458
3331	static void	3459	static void
3332	embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents)	3460	embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents)
3333	{	3461	{
…		…
3337	EV_P = w->other;	3465	EV_P = w->other;
3338		3466
3339	while (fdchangecnt)	3467	while (fdchangecnt)
3340	{	3468	{
3341	fd_reify (EV_A);	3469	fd_reify (EV_A);
3342	ev_loop (EV_A_ EVLOOP_NONBLOCK);	3470	ev_run (EV_A_ EVRUN_NOWAIT);
3343	}	3471	}
3344	}	3472	}
3345	}	3473	}
3346		3474
3347	static void	3475	static void
…		…
3353		3481
3354	{	3482	{
3355	EV_P = w->other;	3483	EV_P = w->other;
3356		3484
3357	ev_loop_fork (EV_A);	3485	ev_loop_fork (EV_A);
3358	ev_loop (EV_A_ EVLOOP_NONBLOCK);	3486	ev_run (EV_A_ EVRUN_NOWAIT);
3359	}	3487	}
3360		3488
3361	ev_embed_start (EV_A_ w);	3489	ev_embed_start (EV_A_ w);
3362	}	3490	}
3363		3491
…		…
3411		3539
3412	ev_io_stop (EV_A_ &w->io);	3540	ev_io_stop (EV_A_ &w->io);
3413	ev_prepare_stop (EV_A_ &w->prepare);	3541	ev_prepare_stop (EV_A_ &w->prepare);
3414	ev_fork_stop (EV_A_ &w->fork);	3542	ev_fork_stop (EV_A_ &w->fork);
3415		3543
		3544	ev_stop (EV_A_ (W)w);
		3545
3416	EV_FREQUENT_CHECK;	3546	EV_FREQUENT_CHECK;
3417	}	3547	}
3418	#endif	3548	#endif
3419		3549
3420	#if EV_FORK_ENABLE	3550	#if EV_FORK_ENABLE
…		…
3453		3583
3454	EV_FREQUENT_CHECK;	3584	EV_FREQUENT_CHECK;
3455	}	3585	}
3456	#endif	3586	#endif
3457		3587
3458	#if EV_ASYNC_ENABLE	3588	#if EV_CLEANUP_ENABLE
3459	void	3589	void
3460	ev_async_start (EV_P_ ev_async *w)	3590	ev_cleanup_start (EV_P_ ev_cleanup *w)
3461	{	3591	{
3462	if (expect_false (ev_is_active (w)))	3592	if (expect_false (ev_is_active (w)))
3463	return;	3593	return;
		3594
		3595	EV_FREQUENT_CHECK;
		3596
		3597	ev_start (EV_A_ (W)w, ++cleanupcnt);
		3598	array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, EMPTY2);
		3599	cleanups [cleanupcnt - 1] = w;
		3600
		3601	/* cleanup watchers should never keep a refcount on the loop */
		3602	ev_unref (EV_A);
		3603	EV_FREQUENT_CHECK;
		3604	}
		3605
		3606	void
		3607	ev_cleanup_stop (EV_P_ ev_cleanup *w)
		3608	{
		3609	clear_pending (EV_A_ (W)w);
		3610	if (expect_false (!ev_is_active (w)))
		3611	return;
		3612
		3613	EV_FREQUENT_CHECK;
		3614	ev_ref (EV_A);
		3615
		3616	{
		3617	int active = ev_active (w);
		3618
		3619	cleanups [active - 1] = cleanups [--cleanupcnt];
		3620	ev_active (cleanups [active - 1]) = active;
		3621	}
		3622
		3623	ev_stop (EV_A_ (W)w);
		3624
		3625	EV_FREQUENT_CHECK;
		3626	}
		3627	#endif
		3628
		3629	#if EV_ASYNC_ENABLE
		3630	void
		3631	ev_async_start (EV_P_ ev_async *w)
		3632	{
		3633	if (expect_false (ev_is_active (w)))
		3634	return;
		3635
		3636	w->sent = 0;
3464		3637
3465	evpipe_init (EV_A);	3638	evpipe_init (EV_A);
3466		3639
3467	EV_FREQUENT_CHECK;	3640	EV_FREQUENT_CHECK;
3468		3641
…		…
3546	{	3719	{
3547	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));	3720	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));
3548		3721
3549	if (expect_false (!once))	3722	if (expect_false (!once))
3550	{	3723	{
3551	cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg);	3724	cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMER, arg);
3552	return;	3725	return;
3553	}	3726	}
3554		3727
3555	once->cb = cb;	3728	once->cb = cb;
3556	once->arg = arg;	3729	once->arg = arg;
…		…
3643	if (types & EV_ASYNC)	3816	if (types & EV_ASYNC)
3644	for (i = asynccnt; i--; )	3817	for (i = asynccnt; i--; )
3645	cb (EV_A_ EV_ASYNC, asyncs [i]);	3818	cb (EV_A_ EV_ASYNC, asyncs [i]);
3646	#endif	3819	#endif
3647		3820
		3821	#if EV_PREPARE_ENABLE
3648	if (types & EV_PREPARE)	3822	if (types & EV_PREPARE)
3649	for (i = preparecnt; i--; )	3823	for (i = preparecnt; i--; )
3650	#if EV_EMBED_ENABLE	3824	# if EV_EMBED_ENABLE
3651	if (ev_cb (prepares [i]) != embed_prepare_cb)	3825	if (ev_cb (prepares [i]) != embed_prepare_cb)
3652	#endif	3826	# endif
3653	cb (EV_A_ EV_PREPARE, prepares [i]);	3827	cb (EV_A_ EV_PREPARE, prepares [i]);
		3828	#endif
3654		3829
		3830	#if EV_CHECK_ENABLE
3655	if (types & EV_CHECK)	3831	if (types & EV_CHECK)
3656	for (i = checkcnt; i--; )	3832	for (i = checkcnt; i--; )
3657	cb (EV_A_ EV_CHECK, checks [i]);	3833	cb (EV_A_ EV_CHECK, checks [i]);
		3834	#endif
3658		3835
		3836	#if EV_SIGNAL_ENABLE
3659	if (types & EV_SIGNAL)	3837	if (types & EV_SIGNAL)
3660	for (i = 0; i < EV_NSIG - 1; ++i)	3838	for (i = 0; i < EV_NSIG - 1; ++i)
3661	for (wl = signals [i].head; wl; )	3839	for (wl = signals [i].head; wl; )
3662	{	3840	{
3663	wn = wl->next;	3841	wn = wl->next;
3664	cb (EV_A_ EV_SIGNAL, wl);	3842	cb (EV_A_ EV_SIGNAL, wl);
3665	wl = wn;	3843	wl = wn;
3666	}	3844	}
		3845	#endif
3667		3846
		3847	#if EV_CHILD_ENABLE
3668	if (types & EV_CHILD)	3848	if (types & EV_CHILD)
3669	for (i = EV_PID_HASHSIZE; i--; )	3849	for (i = (EV_PID_HASHSIZE); i--; )
3670	for (wl = childs [i]; wl; )	3850	for (wl = childs [i]; wl; )
3671	{	3851	{
3672	wn = wl->next;	3852	wn = wl->next;
3673	cb (EV_A_ EV_CHILD, wl);	3853	cb (EV_A_ EV_CHILD, wl);
3674	wl = wn;	3854	wl = wn;
3675	}	3855	}
		3856	#endif
3676	/* EV_STAT 0x00001000 /* stat data changed */	3857	/* EV_STAT 0x00001000 /* stat data changed */
3677	/* EV_EMBED 0x00010000 /* embedded event loop needs sweep */	3858	/* EV_EMBED 0x00010000 /* embedded event loop needs sweep */
3678	}	3859	}
3679	#endif	3860	#endif
3680		3861
3681	#if EV_MULTIPLICITY	3862	#if EV_MULTIPLICITY
3682	#include "ev_wrap.h"	3863	#include "ev_wrap.h"
3683	#endif	3864	#endif
3684		3865
3685	#ifdef __cplusplus	3866	EV_CPP(})
3686	}
3687	#endif
3688		3867

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