ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/libev/ev.c

Comparing libev/ev.c (file contents):
Revision 1.321 by root, Thu Dec 31 06:50:17 2009 UTC vs.
Revision 1.367 by root, Tue Jan 11 02:15:58 2011 UTC

1	/*	1	/*
2	* libev event processing core, watcher management	2	* libev event processing core, watcher management
3	*	3	*
4	* Copyright (c) 2007,2008,2009 Marc Alexander Lehmann <libev@schmorp.de>	4	* Copyright (c) 2007,2008,2009,2010,2011 Marc Alexander Lehmann <libev@schmorp.de>
5	* All rights reserved.	5	* All rights reserved.
6	*	6	*
7	* Redistribution and use in source and binary forms, with or without modifica-	7	* Redistribution and use in source and binary forms, with or without modifica-
8	* tion, are permitted provided that the following conditions are met:	8	* tion, are permitted provided that the following conditions are met:
9	*	9	*
…		…
35	* and other provisions required by the GPL. If you do not delete the	35	* and other provisions required by the GPL. If you do not delete the
36	* provisions above, a recipient may use your version of this file under	36	* provisions above, a recipient may use your version of this file under
37	* either the BSD or the GPL.	37	* either the BSD or the GPL.
38	*/	38	*/
39		39
40	#ifdef __cplusplus
41	extern "C" {
42	#endif
43
44	/* this big block deduces configuration from config.h */	40	/* this big block deduces configuration from config.h */
45	#ifndef EV_STANDALONE	41	#ifndef EV_STANDALONE
46	# ifdef EV_CONFIG_H	42	# ifdef EV_CONFIG_H
47	# include EV_CONFIG_H	43	# include EV_CONFIG_H
48	# else	44	# else
…		…
77	# ifndef EV_USE_REALTIME	73	# ifndef EV_USE_REALTIME
78	# define EV_USE_REALTIME 0	74	# define EV_USE_REALTIME 0
79	# endif	75	# endif
80	# endif	76	# endif
81		77
		78	# if HAVE_NANOSLEEP
82	# ifndef EV_USE_NANOSLEEP	79	# ifndef EV_USE_NANOSLEEP
83	# if HAVE_NANOSLEEP
84	# define EV_USE_NANOSLEEP 1	80	# define EV_USE_NANOSLEEP EV_FEATURE_OS
		81	# endif
85	# else	82	# else
		83	# undef EV_USE_NANOSLEEP
86	# define EV_USE_NANOSLEEP 0	84	# define EV_USE_NANOSLEEP 0
		85	# endif
		86
		87	# if HAVE_SELECT && HAVE_SYS_SELECT_H
		88	# ifndef EV_USE_SELECT
		89	# define EV_USE_SELECT EV_FEATURE_BACKENDS
87	# endif	90	# endif
		91	# else
		92	# undef EV_USE_SELECT
		93	# define EV_USE_SELECT 0
88	# endif	94	# endif
89		95
		96	# if HAVE_POLL && HAVE_POLL_H
90	# ifndef EV_USE_SELECT	97	# ifndef EV_USE_POLL
91	# if HAVE_SELECT && HAVE_SYS_SELECT_H	98	# define EV_USE_POLL EV_FEATURE_BACKENDS
92	# define EV_USE_SELECT 1
93	# else
94	# define EV_USE_SELECT 0
95	# endif	99	# endif
96	# endif
97
98	# ifndef EV_USE_POLL
99	# if HAVE_POLL && HAVE_POLL_H
100	# define EV_USE_POLL 1
101	# else	100	# else
		101	# undef EV_USE_POLL
102	# define EV_USE_POLL 0	102	# define EV_USE_POLL 0
103	# endif
104	# endif	103	# endif
105		104
106	# ifndef EV_USE_EPOLL
107	# if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H	105	# if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H
108	# define EV_USE_EPOLL 1	106	# ifndef EV_USE_EPOLL
109	# else	107	# define EV_USE_EPOLL EV_FEATURE_BACKENDS
110	# define EV_USE_EPOLL 0
111	# endif	108	# endif
		109	# else
		110	# undef EV_USE_EPOLL
		111	# define EV_USE_EPOLL 0
112	# endif	112	# endif
113		113
		114	# 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	{
…		…
1287	#endif	1369	#endif
1288	}	1370	}
1289		1371
1290	/*****************************************************************************/	1372	/*****************************************************************************/
1291		1373
		1374	void
		1375	ev_feed_signal (int signum)
		1376	{
		1377	#if EV_MULTIPLICITY
		1378	EV_P = signals [signum - 1].loop;
		1379
		1380	if (!EV_A)
		1381	return;
		1382	#endif
		1383
		1384	signals [signum - 1].pending = 1;
		1385	evpipe_write (EV_A_ &sig_pending);
		1386	}
		1387
1292	static void	1388	static void
1293	ev_sighandler (int signum)	1389	ev_sighandler (int signum)
1294	{	1390	{
1295	#if EV_MULTIPLICITY
1296	EV_P = signals [signum - 1].loop;
1297	#endif
1298
1299	#if _WIN32	1391	#ifdef _WIN32
1300	signal (signum, ev_sighandler);	1392	signal (signum, ev_sighandler);
1301	#endif	1393	#endif
1302		1394
1303	signals [signum - 1].pending = 1;	1395	ev_feed_signal (signum);
1304	evpipe_write (EV_A_ &sig_pending);
1305	}	1396	}
1306		1397
1307	void noinline	1398	void noinline
1308	ev_feed_signal_event (EV_P_ int signum)	1399	ev_feed_signal_event (EV_P_ int signum)
1309	{	1400	{
…		…
1346	break;	1437	break;
1347	}	1438	}
1348	}	1439	}
1349	#endif	1440	#endif
1350		1441
		1442	#endif
		1443
1351	/*****************************************************************************/	1444	/*****************************************************************************/
1352		1445
		1446	#if EV_CHILD_ENABLE
1353	static WL childs [EV_PID_HASHSIZE];	1447	static WL childs [EV_PID_HASHSIZE];
1354
1355	#ifndef _WIN32
1356		1448
1357	static ev_signal childev;	1449	static ev_signal childev;
1358		1450
1359	#ifndef WIFCONTINUED	1451	#ifndef WIFCONTINUED
1360	# define WIFCONTINUED(status) 0	1452	# define WIFCONTINUED(status) 0
…		…
1365	child_reap (EV_P_ int chain, int pid, int status)	1457	child_reap (EV_P_ int chain, int pid, int status)
1366	{	1458	{
1367	ev_child *w;	1459	ev_child *w;
1368	int traced = WIFSTOPPED (status) || WIFCONTINUED (status);	1460	int traced = WIFSTOPPED (status) || WIFCONTINUED (status);
1369		1461
1370	for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next)	1462	for (w = (ev_child *)childs [chain & ((EV_PID_HASHSIZE) - 1)]; w; w = (ev_child *)((WL)w)->next)
1371	{	1463	{
1372	if ((w->pid == pid || !w->pid)	1464	if ((w->pid == pid || !w->pid)
1373	&& (!traced || (w->flags & 1)))	1465	&& (!traced || (w->flags & 1)))
1374	{	1466	{
1375	ev_set_priority (w, EV_MAXPRI); /* need to do it *now*, this *must* be the same prio as the signal watcher itself */	1467	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 */	1492	/* 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 */	1493	/* 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);	1494	ev_feed_event (EV_A_ (W)sw, EV_SIGNAL);
1403		1495
1404	child_reap (EV_A_ pid, pid, status);	1496	child_reap (EV_A_ pid, pid, status);
1405	if (EV_PID_HASHSIZE > 1)	1497	if ((EV_PID_HASHSIZE) > 1)
1406	child_reap (EV_A_ 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */	1498	child_reap (EV_A_ 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */
1407	}	1499	}
1408		1500
1409	#endif	1501	#endif
1410		1502
1411	/*****************************************************************************/	1503	/*****************************************************************************/
1412		1504
		1505	#if EV_USE_IOCP
		1506	# include "ev_iocp.c"
		1507	#endif
1413	#if EV_USE_PORT	1508	#if EV_USE_PORT
1414	# include "ev_port.c"	1509	# include "ev_port.c"
1415	#endif	1510	#endif
1416	#if EV_USE_KQUEUE	1511	#if EV_USE_KQUEUE
1417	# include "ev_kqueue.c"	1512	# include "ev_kqueue.c"
…		…
1477	#ifdef __APPLE__	1572	#ifdef __APPLE__
1478	/* only select works correctly on that "unix-certified" platform */	1573	/* only select works correctly on that "unix-certified" platform */
1479	flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */	1574	flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */
1480	flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */	1575	flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */
1481	#endif	1576	#endif
		1577	#ifdef __FreeBSD__
		1578	flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */
		1579	#endif
1482		1580
1483	return flags;	1581	return flags;
1484	}	1582	}
1485		1583
1486	unsigned int	1584	unsigned int
1487	ev_embeddable_backends (void)	1585	ev_embeddable_backends (void)
1488	{	1586	{
1489	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;	1587	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
1490		1588
1491	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */	1589	/* 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 */	1590	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
1493	flags &= ~EVBACKEND_EPOLL;	1591	flags &= ~EVBACKEND_EPOLL;
1494		1592
1495	return flags;	1593	return flags;
1496	}	1594	}
1497		1595
1498	unsigned int	1596	unsigned int
1499	ev_backend (EV_P)	1597	ev_backend (EV_P)
1500	{	1598	{
1501	return backend;	1599	return backend;
1502	}	1600	}
1503		1601
1504	#if EV_MINIMAL < 2	1602	#if EV_FEATURE_API
1505	unsigned int	1603	unsigned int
1506	ev_loop_count (EV_P)	1604	ev_iteration (EV_P)
1507	{	1605	{
1508	return loop_count;	1606	return loop_count;
1509	}	1607	}
1510		1608
1511	unsigned int	1609	unsigned int
1512	ev_loop_depth (EV_P)	1610	ev_depth (EV_P)
1513	{	1611	{
1514	return loop_depth;	1612	return loop_depth;
1515	}	1613	}
1516		1614
1517	void	1615	void
…		…
1554	static void noinline	1652	static void noinline
1555	loop_init (EV_P_ unsigned int flags)	1653	loop_init (EV_P_ unsigned int flags)
1556	{	1654	{
1557	if (!backend)	1655	if (!backend)
1558	{	1656	{
		1657	origflags = flags;
		1658
1559	#if EV_USE_REALTIME	1659	#if EV_USE_REALTIME
1560	if (!have_realtime)	1660	if (!have_realtime)
1561	{	1661	{
1562	struct timespec ts;	1662	struct timespec ts;
1563		1663
…		…
1589		1689
1590	ev_rt_now = ev_time ();	1690	ev_rt_now = ev_time ();
1591	mn_now = get_clock ();	1691	mn_now = get_clock ();
1592	now_floor = mn_now;	1692	now_floor = mn_now;
1593	rtmn_diff = ev_rt_now - mn_now;	1693	rtmn_diff = ev_rt_now - mn_now;
1594	#if EV_MINIMAL < 2	1694	#if EV_FEATURE_API
1595	invoke_cb = ev_invoke_pending;	1695	invoke_cb = ev_invoke_pending;
1596	#endif	1696	#endif
1597		1697
1598	io_blocktime = 0.;	1698	io_blocktime = 0.;
1599	timeout_blocktime = 0.;	1699	timeout_blocktime = 0.;
…		…
1608	#endif	1708	#endif
1609	#if EV_USE_SIGNALFD	1709	#if EV_USE_SIGNALFD
1610	sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;	1710	sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;
1611	#endif	1711	#endif
1612		1712
1613	if (!(flags & 0x0000ffffU))	1713	if (!(flags & EVBACKEND_MASK))
1614	flags |= ev_recommended_backends ();	1714	flags |= ev_recommended_backends ();
1615		1715
		1716	#if EV_USE_IOCP
		1717	if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags);
		1718	#endif
1616	#if EV_USE_PORT	1719	#if EV_USE_PORT
1617	if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);	1720	if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);
1618	#endif	1721	#endif
1619	#if EV_USE_KQUEUE	1722	#if EV_USE_KQUEUE
1620	if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags);	1723	if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags);
…		…
1629	if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags);	1732	if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags);
1630	#endif	1733	#endif
1631		1734
1632	ev_prepare_init (&pending_w, pendingcb);	1735	ev_prepare_init (&pending_w, pendingcb);
1633		1736
		1737	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
1634	ev_init (&pipe_w, pipecb);	1738	ev_init (&pipe_w, pipecb);
1635	ev_set_priority (&pipe_w, EV_MAXPRI);	1739	ev_set_priority (&pipe_w, EV_MAXPRI);
		1740	#endif
1636	}	1741	}
1637	}	1742	}
1638		1743
1639	/* free up a loop structure */	1744	/* free up a loop structure */
1640	static void noinline	1745	void
1641	loop_destroy (EV_P)	1746	ev_loop_destroy (EV_P)
1642	{	1747	{
1643	int i;	1748	int i;
		1749
		1750	#if EV_MULTIPLICITY
		1751	/* mimic free (0) */
		1752	if (!EV_A)
		1753	return;
		1754	#endif
		1755
		1756	#if EV_CLEANUP_ENABLE
		1757	/* queue cleanup watchers (and execute them) */
		1758	if (expect_false (cleanupcnt))
		1759	{
		1760	queue_events (EV_A_ (W *)cleanups, cleanupcnt, EV_CLEANUP);
		1761	EV_INVOKE_PENDING;
		1762	}
		1763	#endif
		1764
		1765	#if EV_CHILD_ENABLE
		1766	if (ev_is_active (&childev))
		1767	{
		1768	ev_ref (EV_A); /* child watcher */
		1769	ev_signal_stop (EV_A_ &childev);
		1770	}
		1771	#endif
1644		1772
1645	if (ev_is_active (&pipe_w))	1773	if (ev_is_active (&pipe_w))
1646	{	1774	{
1647	/*ev_ref (EV_A);*/	1775	/*ev_ref (EV_A);*/
1648	/*ev_io_stop (EV_A_ &pipe_w);*/	1776	/*ev_io_stop (EV_A_ &pipe_w);*/
…		…
1670	#endif	1798	#endif
1671		1799
1672	if (backend_fd >= 0)	1800	if (backend_fd >= 0)
1673	close (backend_fd);	1801	close (backend_fd);
1674		1802
		1803	#if EV_USE_IOCP
		1804	if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A);
		1805	#endif
1675	#if EV_USE_PORT	1806	#if EV_USE_PORT
1676	if (backend == EVBACKEND_PORT ) port_destroy (EV_A);	1807	if (backend == EVBACKEND_PORT ) port_destroy (EV_A);
1677	#endif	1808	#endif
1678	#if EV_USE_KQUEUE	1809	#if EV_USE_KQUEUE
1679	if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A);	1810	if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A);
…		…
1706	array_free (periodic, EMPTY);	1837	array_free (periodic, EMPTY);
1707	#endif	1838	#endif
1708	#if EV_FORK_ENABLE	1839	#if EV_FORK_ENABLE
1709	array_free (fork, EMPTY);	1840	array_free (fork, EMPTY);
1710	#endif	1841	#endif
		1842	#if EV_CLEANUP_ENABLE
		1843	array_free (cleanup, EMPTY);
		1844	#endif
1711	array_free (prepare, EMPTY);	1845	array_free (prepare, EMPTY);
1712	array_free (check, EMPTY);	1846	array_free (check, EMPTY);
1713	#if EV_ASYNC_ENABLE	1847	#if EV_ASYNC_ENABLE
1714	array_free (async, EMPTY);	1848	array_free (async, EMPTY);
1715	#endif	1849	#endif
1716		1850
1717	backend = 0;	1851	backend = 0;
		1852
		1853	#if EV_MULTIPLICITY
		1854	if (ev_is_default_loop (EV_A))
		1855	#endif
		1856	ev_default_loop_ptr = 0;
		1857	#if EV_MULTIPLICITY
		1858	else
		1859	ev_free (EV_A);
		1860	#endif
1718	}	1861	}
1719		1862
1720	#if EV_USE_INOTIFY	1863	#if EV_USE_INOTIFY
1721	inline_size void infy_fork (EV_P);	1864	inline_size void infy_fork (EV_P);
1722	#endif	1865	#endif
…		…
1758	{	1901	{
1759	EV_WIN32_CLOSE_FD (evpipe [0]);	1902	EV_WIN32_CLOSE_FD (evpipe [0]);
1760	EV_WIN32_CLOSE_FD (evpipe [1]);	1903	EV_WIN32_CLOSE_FD (evpipe [1]);
1761	}	1904	}
1762		1905
		1906	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
1763	evpipe_init (EV_A);	1907	evpipe_init (EV_A);
1764	/* now iterate over everything, in case we missed something */	1908	/* now iterate over everything, in case we missed something */
1765	pipecb (EV_A_ &pipe_w, EV_READ);	1909	pipecb (EV_A_ &pipe_w, EV_READ);
		1910	#endif
1766	}	1911	}
1767		1912
1768	postfork = 0;	1913	postfork = 0;
1769	}	1914	}
1770		1915
…		…
1779	loop_init (EV_A_ flags);	1924	loop_init (EV_A_ flags);
1780		1925
1781	if (ev_backend (EV_A))	1926	if (ev_backend (EV_A))
1782	return EV_A;	1927	return EV_A;
1783		1928
		1929	ev_free (EV_A);
1784	return 0;	1930	return 0;
1785	}	1931	}
1786		1932
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 */	1933	#endif /* multiplicity */
1800		1934
1801	#if EV_VERIFY	1935	#if EV_VERIFY
1802	static void noinline	1936	static void noinline
1803	verify_watcher (EV_P_ W w)	1937	verify_watcher (EV_P_ W w)
…		…
1832	verify_watcher (EV_A_ ws [cnt]);	1966	verify_watcher (EV_A_ ws [cnt]);
1833	}	1967	}
1834	}	1968	}
1835	#endif	1969	#endif
1836		1970
1837	#if EV_MINIMAL < 2	1971	#if EV_FEATURE_API
1838	void	1972	void
1839	ev_loop_verify (EV_P)	1973	ev_verify (EV_P)
1840	{	1974	{
1841	#if EV_VERIFY	1975	#if EV_VERIFY
1842	int i;	1976	int i;
1843	WL w;	1977	WL w;
1844		1978
…		…
1878	#if EV_FORK_ENABLE	2012	#if EV_FORK_ENABLE
1879	assert (forkmax >= forkcnt);	2013	assert (forkmax >= forkcnt);
1880	array_verify (EV_A_ (W *)forks, forkcnt);	2014	array_verify (EV_A_ (W *)forks, forkcnt);
1881	#endif	2015	#endif
1882		2016
		2017	#if EV_CLEANUP_ENABLE
		2018	assert (cleanupmax >= cleanupcnt);
		2019	array_verify (EV_A_ (W *)cleanups, cleanupcnt);
		2020	#endif
		2021
1883	#if EV_ASYNC_ENABLE	2022	#if EV_ASYNC_ENABLE
1884	assert (asyncmax >= asynccnt);	2023	assert (asyncmax >= asynccnt);
1885	array_verify (EV_A_ (W *)asyncs, asynccnt);	2024	array_verify (EV_A_ (W *)asyncs, asynccnt);
1886	#endif	2025	#endif
1887		2026
		2027	#if EV_PREPARE_ENABLE
1888	assert (preparemax >= preparecnt);	2028	assert (preparemax >= preparecnt);
1889	array_verify (EV_A_ (W *)prepares, preparecnt);	2029	array_verify (EV_A_ (W *)prepares, preparecnt);
		2030	#endif
1890		2031
		2032	#if EV_CHECK_ENABLE
1891	assert (checkmax >= checkcnt);	2033	assert (checkmax >= checkcnt);
1892	array_verify (EV_A_ (W *)checks, checkcnt);	2034	array_verify (EV_A_ (W *)checks, checkcnt);
		2035	#endif
1893		2036
1894	# if 0	2037	# if 0
		2038	#if EV_CHILD_ENABLE
1895	for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next)	2039	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)	2040	for (signum = EV_NSIG; signum--; ) if (signals [signum].pending)
		2041	#endif
1897	# endif	2042	# endif
1898	#endif	2043	#endif
1899	}	2044	}
1900	#endif	2045	#endif
1901		2046
1902	#if EV_MULTIPLICITY	2047	#if EV_MULTIPLICITY
1903	struct ev_loop *	2048	struct ev_loop *
1904	ev_default_loop_init (unsigned int flags)
1905	#else	2049	#else
1906	int	2050	int
		2051	#endif
1907	ev_default_loop (unsigned int flags)	2052	ev_default_loop (unsigned int flags)
1908	#endif
1909	{	2053	{
1910	if (!ev_default_loop_ptr)	2054	if (!ev_default_loop_ptr)
1911	{	2055	{
1912	#if EV_MULTIPLICITY	2056	#if EV_MULTIPLICITY
1913	EV_P = ev_default_loop_ptr = &default_loop_struct;	2057	EV_P = ev_default_loop_ptr = &default_loop_struct;
…		…
1917		2061
1918	loop_init (EV_A_ flags);	2062	loop_init (EV_A_ flags);
1919		2063
1920	if (ev_backend (EV_A))	2064	if (ev_backend (EV_A))
1921	{	2065	{
1922	#ifndef _WIN32	2066	#if EV_CHILD_ENABLE
1923	ev_signal_init (&childev, childcb, SIGCHLD);	2067	ev_signal_init (&childev, childcb, SIGCHLD);
1924	ev_set_priority (&childev, EV_MAXPRI);	2068	ev_set_priority (&childev, EV_MAXPRI);
1925	ev_signal_start (EV_A_ &childev);	2069	ev_signal_start (EV_A_ &childev);
1926	ev_unref (EV_A); /* child watcher should not keep loop alive */	2070	ev_unref (EV_A); /* child watcher should not keep loop alive */
1927	#endif	2071	#endif
…		…
1932		2076
1933	return ev_default_loop_ptr;	2077	return ev_default_loop_ptr;
1934	}	2078	}
1935		2079
1936	void	2080	void
1937	ev_default_destroy (void)	2081	ev_loop_fork (EV_P)
1938	{	2082	{
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 */	2083	postfork = 1; /* must be in line with ev_default_fork */
1961	}	2084	}
1962		2085
1963	/*****************************************************************************/	2086	/*****************************************************************************/
1964		2087
1965	void	2088	void
…		…
1987		2110
1988	for (pri = NUMPRI; pri--; )	2111	for (pri = NUMPRI; pri--; )
1989	while (pendingcnt [pri])	2112	while (pendingcnt [pri])
1990	{	2113	{
1991	ANPENDING *p = pendings [pri] + --pendingcnt [pri];	2114	ANPENDING *p = pendings [pri] + --pendingcnt [pri];
1992
1993	/*assert (("libev: non-pending watcher on pending list", p->w->pending));*/
1994	/* ^ this is no longer true, as pending_w could be here */
1995		2115
1996	p->w->pending = 0;	2116	p->w->pending = 0;
1997	EV_CB_INVOKE (p->w, p->events);	2117	EV_CB_INVOKE (p->w, p->events);
1998	EV_FREQUENT_CHECK;	2118	EV_FREQUENT_CHECK;
1999	}	2119	}
…		…
2056	EV_FREQUENT_CHECK;	2176	EV_FREQUENT_CHECK;
2057	feed_reverse (EV_A_ (W)w);	2177	feed_reverse (EV_A_ (W)w);
2058	}	2178	}
2059	while (timercnt && ANHE_at (timers [HEAP0]) < mn_now);	2179	while (timercnt && ANHE_at (timers [HEAP0]) < mn_now);
2060		2180
2061	feed_reverse_done (EV_A_ EV_TIMEOUT);	2181	feed_reverse_done (EV_A_ EV_TIMER);
2062	}	2182	}
2063	}	2183	}
2064		2184
2065	#if EV_PERIODIC_ENABLE	2185	#if EV_PERIODIC_ENABLE
2066	/* make periodics pending */	2186	/* make periodics pending */
…		…
2119	feed_reverse_done (EV_A_ EV_PERIODIC);	2239	feed_reverse_done (EV_A_ EV_PERIODIC);
2120	}	2240	}
2121	}	2241	}
2122		2242
2123	/* simply recalculate all periodics */	2243	/* simply recalculate all periodics */
2124	/* TODO: maybe ensure that at leats one event happens when jumping forward? */	2244	/* TODO: maybe ensure that at least one event happens when jumping forward? */
2125	static void noinline	2245	static void noinline
2126	periodics_reschedule (EV_P)	2246	periodics_reschedule (EV_P)
2127	{	2247	{
2128	int i;	2248	int i;
2129		2249
…		…
2157	ANHE_at_cache (*he);	2277	ANHE_at_cache (*he);
2158	}	2278	}
2159	}	2279	}
2160		2280
2161	/* fetch new monotonic and realtime times from the kernel */	2281	/* fetch new monotonic and realtime times from the kernel */
2162	/* also detetc if there was a timejump, and act accordingly */	2282	/* also detect if there was a timejump, and act accordingly */
2163	inline_speed void	2283	inline_speed void
2164	time_update (EV_P_ ev_tstamp max_block)	2284	time_update (EV_P_ ev_tstamp max_block)
2165	{	2285	{
2166	#if EV_USE_MONOTONIC	2286	#if EV_USE_MONOTONIC
2167	if (expect_true (have_monotonic))	2287	if (expect_true (have_monotonic))
…		…
2225	mn_now = ev_rt_now;	2345	mn_now = ev_rt_now;
2226	}	2346	}
2227	}	2347	}
2228		2348
2229	void	2349	void
2230	ev_loop (EV_P_ int flags)	2350	ev_run (EV_P_ int flags)
2231	{	2351	{
2232	#if EV_MINIMAL < 2	2352	#if EV_FEATURE_API
2233	++loop_depth;	2353	++loop_depth;
2234	#endif	2354	#endif
2235		2355
2236	assert (("libev: ev_loop recursion during release detected", loop_done != EVUNLOOP_RECURSE));	2356	assert (("libev: ev_loop recursion during release detected", loop_done != EVBREAK_RECURSE));
2237		2357
2238	loop_done = EVUNLOOP_CANCEL;	2358	loop_done = EVBREAK_CANCEL;
2239		2359
2240	EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */	2360	EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */
2241		2361
2242	do	2362	do
2243	{	2363	{
2244	#if EV_VERIFY >= 2	2364	#if EV_VERIFY >= 2
2245	ev_loop_verify (EV_A);	2365	ev_verify (EV_A);
2246	#endif	2366	#endif
2247		2367
2248	#ifndef _WIN32	2368	#ifndef _WIN32
2249	if (expect_false (curpid)) /* penalise the forking check even more */	2369	if (expect_false (curpid)) /* penalise the forking check even more */
2250	if (expect_false (getpid () != curpid))	2370	if (expect_false (getpid () != curpid))
…		…
2262	queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);	2382	queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);
2263	EV_INVOKE_PENDING;	2383	EV_INVOKE_PENDING;
2264	}	2384	}
2265	#endif	2385	#endif
2266		2386
		2387	#if EV_PREPARE_ENABLE
2267	/* queue prepare watchers (and execute them) */	2388	/* queue prepare watchers (and execute them) */
2268	if (expect_false (preparecnt))	2389	if (expect_false (preparecnt))
2269	{	2390	{
2270	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);	2391	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
2271	EV_INVOKE_PENDING;	2392	EV_INVOKE_PENDING;
2272	}	2393	}
		2394	#endif
2273		2395
2274	if (expect_false (loop_done))	2396	if (expect_false (loop_done))
2275	break;	2397	break;
2276		2398
2277	/* we might have forked, so reify kernel state if necessary */	2399	/* we might have forked, so reify kernel state if necessary */
…		…
2284	/* calculate blocking time */	2406	/* calculate blocking time */
2285	{	2407	{
2286	ev_tstamp waittime = 0.;	2408	ev_tstamp waittime = 0.;
2287	ev_tstamp sleeptime = 0.;	2409	ev_tstamp sleeptime = 0.;
2288		2410
		2411	/* remember old timestamp for io_blocktime calculation */
		2412	ev_tstamp prev_mn_now = mn_now;
		2413
		2414	/* update time to cancel out callback processing overhead */
		2415	time_update (EV_A_ 1e100);
		2416
2289	if (expect_true (!(flags & EVLOOP_NONBLOCK || idleall || !activecnt)))	2417	if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt)))
2290	{	2418	{
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;	2419	waittime = MAX_BLOCKTIME;
2298		2420
2299	if (timercnt)	2421	if (timercnt)
2300	{	2422	{
2301	ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge;	2423	ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge;
…		…
2328	waittime -= sleeptime;	2450	waittime -= sleeptime;
2329	}	2451	}
2330	}	2452	}
2331	}	2453	}
2332		2454
2333	#if EV_MINIMAL < 2	2455	#if EV_FEATURE_API
2334	++loop_count;	2456	++loop_count;
2335	#endif	2457	#endif
2336	assert ((loop_done = EVUNLOOP_RECURSE, 1)); /* assert for side effect */	2458	assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */
2337	backend_poll (EV_A_ waittime);	2459	backend_poll (EV_A_ waittime);
2338	assert ((loop_done = EVUNLOOP_CANCEL, 1)); /* assert for side effect */	2460	assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */
2339		2461
2340	/* update ev_rt_now, do magic */	2462	/* update ev_rt_now, do magic */
2341	time_update (EV_A_ waittime + sleeptime);	2463	time_update (EV_A_ waittime + sleeptime);
2342	}	2464	}
2343		2465
…		…
2350	#if EV_IDLE_ENABLE	2472	#if EV_IDLE_ENABLE
2351	/* queue idle watchers unless other events are pending */	2473	/* queue idle watchers unless other events are pending */
2352	idle_reify (EV_A);	2474	idle_reify (EV_A);
2353	#endif	2475	#endif
2354		2476
		2477	#if EV_CHECK_ENABLE
2355	/* queue check watchers, to be executed first */	2478	/* queue check watchers, to be executed first */
2356	if (expect_false (checkcnt))	2479	if (expect_false (checkcnt))
2357	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);	2480	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
		2481	#endif
2358		2482
2359	EV_INVOKE_PENDING;	2483	EV_INVOKE_PENDING;
2360	}	2484	}
2361	while (expect_true (	2485	while (expect_true (
2362	activecnt	2486	activecnt
2363	&& !loop_done	2487	&& !loop_done
2364	&& !(flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK))	2488	&& !(flags & (EVRUN_ONCE | EVRUN_NOWAIT))
2365	));	2489	));
2366		2490
2367	if (loop_done == EVUNLOOP_ONE)	2491	if (loop_done == EVBREAK_ONE)
2368	loop_done = EVUNLOOP_CANCEL;	2492	loop_done = EVBREAK_CANCEL;
2369		2493
2370	#if EV_MINIMAL < 2	2494	#if EV_FEATURE_API
2371	--loop_depth;	2495	--loop_depth;
2372	#endif	2496	#endif
2373	}	2497	}
2374		2498
2375	void	2499	void
2376	ev_unloop (EV_P_ int how)	2500	ev_break (EV_P_ int how)
2377	{	2501	{
2378	loop_done = how;	2502	loop_done = how;
2379	}	2503	}
2380		2504
2381	void	2505	void
…		…
2501		2625
2502	if (expect_false (ev_is_active (w)))	2626	if (expect_false (ev_is_active (w)))
2503	return;	2627	return;
2504		2628
2505	assert (("libev: ev_io_start called with negative fd", fd >= 0));	2629	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))));	2630	assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE))));
2507		2631
2508	EV_FREQUENT_CHECK;	2632	EV_FREQUENT_CHECK;
2509		2633
2510	ev_start (EV_A_ (W)w, 1);	2634	ev_start (EV_A_ (W)w, 1);
2511	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);	2635	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);
…		…
2529	EV_FREQUENT_CHECK;	2653	EV_FREQUENT_CHECK;
2530		2654
2531	wlist_del (&anfds[w->fd].head, (WL)w);	2655	wlist_del (&anfds[w->fd].head, (WL)w);
2532	ev_stop (EV_A_ (W)w);	2656	ev_stop (EV_A_ (W)w);
2533		2657
2534	fd_change (EV_A_ w->fd, 1);	2658	fd_change (EV_A_ w->fd, EV_ANFD_REIFY);
2535		2659
2536	EV_FREQUENT_CHECK;	2660	EV_FREQUENT_CHECK;
2537	}	2661	}
2538		2662
2539	void noinline	2663	void noinline
…		…
2581	timers [active] = timers [timercnt + HEAP0];	2705	timers [active] = timers [timercnt + HEAP0];
2582	adjustheap (timers, timercnt, active);	2706	adjustheap (timers, timercnt, active);
2583	}	2707	}
2584	}	2708	}
2585		2709
2586	EV_FREQUENT_CHECK;
2587
2588	ev_at (w) -= mn_now;	2710	ev_at (w) -= mn_now;
2589		2711
2590	ev_stop (EV_A_ (W)w);	2712	ev_stop (EV_A_ (W)w);
		2713
		2714	EV_FREQUENT_CHECK;
2591	}	2715	}
2592		2716
2593	void noinline	2717	void noinline
2594	ev_timer_again (EV_P_ ev_timer *w)	2718	ev_timer_again (EV_P_ ev_timer *w)
2595	{	2719	{
…		…
2674	periodics [active] = periodics [periodiccnt + HEAP0];	2798	periodics [active] = periodics [periodiccnt + HEAP0];
2675	adjustheap (periodics, periodiccnt, active);	2799	adjustheap (periodics, periodiccnt, active);
2676	}	2800	}
2677	}	2801	}
2678		2802
2679	EV_FREQUENT_CHECK;
2680
2681	ev_stop (EV_A_ (W)w);	2803	ev_stop (EV_A_ (W)w);
		2804
		2805	EV_FREQUENT_CHECK;
2682	}	2806	}
2683		2807
2684	void noinline	2808	void noinline
2685	ev_periodic_again (EV_P_ ev_periodic *w)	2809	ev_periodic_again (EV_P_ ev_periodic *w)
2686	{	2810	{
…		…
2691	#endif	2815	#endif
2692		2816
2693	#ifndef SA_RESTART	2817	#ifndef SA_RESTART
2694	# define SA_RESTART 0	2818	# define SA_RESTART 0
2695	#endif	2819	#endif
		2820
		2821	#if EV_SIGNAL_ENABLE
2696		2822
2697	void noinline	2823	void noinline
2698	ev_signal_start (EV_P_ ev_signal *w)	2824	ev_signal_start (EV_P_ ev_signal *w)
2699	{	2825	{
2700	if (expect_false (ev_is_active (w)))	2826	if (expect_false (ev_is_active (w)))
…		…
2747	if (!((WL)w)->next)	2873	if (!((WL)w)->next)
2748	# if EV_USE_SIGNALFD	2874	# if EV_USE_SIGNALFD
2749	if (sigfd < 0) /*TODO*/	2875	if (sigfd < 0) /*TODO*/
2750	# endif	2876	# endif
2751	{	2877	{
2752	# if _WIN32	2878	# ifdef _WIN32
2753	evpipe_init (EV_A);	2879	evpipe_init (EV_A);
2754		2880
2755	signal (w->signum, ev_sighandler);	2881	signal (w->signum, ev_sighandler);
2756	# else	2882	# else
2757	struct sigaction sa;	2883	struct sigaction sa;
…		…
2761	sa.sa_handler = ev_sighandler;	2887	sa.sa_handler = ev_sighandler;
2762	sigfillset (&sa.sa_mask);	2888	sigfillset (&sa.sa_mask);
2763	sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */	2889	sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */
2764	sigaction (w->signum, &sa, 0);	2890	sigaction (w->signum, &sa, 0);
2765		2891
		2892	if (origflags & EVFLAG_NOSIGMASK)
		2893	{
2766	sigemptyset (&sa.sa_mask);	2894	sigemptyset (&sa.sa_mask);
2767	sigaddset (&sa.sa_mask, w->signum);	2895	sigaddset (&sa.sa_mask, w->signum);
2768	sigprocmask (SIG_UNBLOCK, &sa.sa_mask, 0);	2896	sigprocmask (SIG_UNBLOCK, &sa.sa_mask, 0);
		2897	}
2769	#endif	2898	#endif
2770	}	2899	}
2771		2900
2772	EV_FREQUENT_CHECK;	2901	EV_FREQUENT_CHECK;
2773	}	2902	}
…		…
2807	}	2936	}
2808		2937
2809	EV_FREQUENT_CHECK;	2938	EV_FREQUENT_CHECK;
2810	}	2939	}
2811		2940
		2941	#endif
		2942
		2943	#if EV_CHILD_ENABLE
		2944
2812	void	2945	void
2813	ev_child_start (EV_P_ ev_child *w)	2946	ev_child_start (EV_P_ ev_child *w)
2814	{	2947	{
2815	#if EV_MULTIPLICITY	2948	#if EV_MULTIPLICITY
2816	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));	2949	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
…		…
2819	return;	2952	return;
2820		2953
2821	EV_FREQUENT_CHECK;	2954	EV_FREQUENT_CHECK;
2822		2955
2823	ev_start (EV_A_ (W)w, 1);	2956	ev_start (EV_A_ (W)w, 1);
2824	wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);	2957	wlist_add (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w);
2825		2958
2826	EV_FREQUENT_CHECK;	2959	EV_FREQUENT_CHECK;
2827	}	2960	}
2828		2961
2829	void	2962	void
…		…
2833	if (expect_false (!ev_is_active (w)))	2966	if (expect_false (!ev_is_active (w)))
2834	return;	2967	return;
2835		2968
2836	EV_FREQUENT_CHECK;	2969	EV_FREQUENT_CHECK;
2837		2970
2838	wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);	2971	wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w);
2839	ev_stop (EV_A_ (W)w);	2972	ev_stop (EV_A_ (W)w);
2840		2973
2841	EV_FREQUENT_CHECK;	2974	EV_FREQUENT_CHECK;
2842	}	2975	}
		2976
		2977	#endif
2843		2978
2844	#if EV_STAT_ENABLE	2979	#if EV_STAT_ENABLE
2845		2980
2846	# ifdef _WIN32	2981	# ifdef _WIN32
2847	# undef lstat	2982	# undef lstat
…		…
2853	#define MIN_STAT_INTERVAL 0.1074891	2988	#define MIN_STAT_INTERVAL 0.1074891
2854		2989
2855	static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents);	2990	static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents);
2856		2991
2857	#if EV_USE_INOTIFY	2992	#if EV_USE_INOTIFY
2858	# define EV_INOTIFY_BUFSIZE 8192	2993
		2994	/* the * 2 is to allow for alignment padding, which for some reason is >> 8 */
		2995	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)
2859		2996
2860	static void noinline	2997	static void noinline
2861	infy_add (EV_P_ ev_stat *w)	2998	infy_add (EV_P_ ev_stat *w)
2862	{	2999	{
2863	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);	3000	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);
…		…
2912	while (w->wd < 0 && (errno == ENOENT || errno == EACCES));	3049	while (w->wd < 0 && (errno == ENOENT || errno == EACCES));
2913	}	3050	}
2914	}	3051	}
2915		3052
2916	if (w->wd >= 0)	3053	if (w->wd >= 0)
2917	wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w);	3054	wlist_add (&fs_hash [w->wd & ((EV_INOTIFY_HASHSIZE) - 1)].head, (WL)w);
2918		3055
2919	/* now re-arm timer, if required */	3056	/* now re-arm timer, if required */
2920	if (ev_is_active (&w->timer)) ev_ref (EV_A);	3057	if (ev_is_active (&w->timer)) ev_ref (EV_A);
2921	ev_timer_again (EV_A_ &w->timer);	3058	ev_timer_again (EV_A_ &w->timer);
2922	if (ev_is_active (&w->timer)) ev_unref (EV_A);	3059	if (ev_is_active (&w->timer)) ev_unref (EV_A);
…		…
2930		3067
2931	if (wd < 0)	3068	if (wd < 0)
2932	return;	3069	return;
2933		3070
2934	w->wd = -2;	3071	w->wd = -2;
2935	slot = wd & (EV_INOTIFY_HASHSIZE - 1);	3072	slot = wd & ((EV_INOTIFY_HASHSIZE) - 1);
2936	wlist_del (&fs_hash [slot].head, (WL)w);	3073	wlist_del (&fs_hash [slot].head, (WL)w);
2937		3074
2938	/* remove this watcher, if others are watching it, they will rearm */	3075	/* remove this watcher, if others are watching it, they will rearm */
2939	inotify_rm_watch (fs_fd, wd);	3076	inotify_rm_watch (fs_fd, wd);
2940	}	3077	}
…		…
2942	static void noinline	3079	static void noinline
2943	infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)	3080	infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)
2944	{	3081	{
2945	if (slot < 0)	3082	if (slot < 0)
2946	/* overflow, need to check for all hash slots */	3083	/* overflow, need to check for all hash slots */
2947	for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot)	3084	for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)
2948	infy_wd (EV_A_ slot, wd, ev);	3085	infy_wd (EV_A_ slot, wd, ev);
2949	else	3086	else
2950	{	3087	{
2951	WL w_;	3088	WL w_;
2952		3089
2953	for (w_ = fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head; w_; )	3090	for (w_ = fs_hash [slot & ((EV_INOTIFY_HASHSIZE) - 1)].head; w_; )
2954	{	3091	{
2955	ev_stat *w = (ev_stat *)w_;	3092	ev_stat *w = (ev_stat *)w_;
2956	w_ = w_->next; /* lets us remove this watcher and all before it */	3093	w_ = w_->next; /* lets us remove this watcher and all before it */
2957		3094
2958	if (w->wd == wd || wd == -1)	3095	if (w->wd == wd || wd == -1)
2959	{	3096	{
2960	if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF))	3097	if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF))
2961	{	3098	{
2962	wlist_del (&fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w);	3099	wlist_del (&fs_hash [slot & ((EV_INOTIFY_HASHSIZE) - 1)].head, (WL)w);
2963	w->wd = -1;	3100	w->wd = -1;
2964	infy_add (EV_A_ w); /* re-add, no matter what */	3101	infy_add (EV_A_ w); /* re-add, no matter what */
2965	}	3102	}
2966		3103
2967	stat_timer_cb (EV_A_ &w->timer, 0);	3104	stat_timer_cb (EV_A_ &w->timer, 0);
…		…
2972		3109
2973	static void	3110	static void
2974	infy_cb (EV_P_ ev_io *w, int revents)	3111	infy_cb (EV_P_ ev_io *w, int revents)
2975	{	3112	{
2976	char buf [EV_INOTIFY_BUFSIZE];	3113	char buf [EV_INOTIFY_BUFSIZE];
2977	struct inotify_event *ev = (struct inotify_event *)buf;
2978	int ofs;	3114	int ofs;
2979	int len = read (fs_fd, buf, sizeof (buf));	3115	int len = read (fs_fd, buf, sizeof (buf));
2980		3116
2981	for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len)	3117	for (ofs = 0; ofs < len; )
		3118	{
		3119	struct inotify_event *ev = (struct inotify_event *)(buf + ofs);
2982	infy_wd (EV_A_ ev->wd, ev->wd, ev);	3120	infy_wd (EV_A_ ev->wd, ev->wd, ev);
		3121	ofs += sizeof (struct inotify_event) + ev->len;
		3122	}
2983	}	3123	}
2984		3124
2985	inline_size void	3125	inline_size void
2986	check_2625 (EV_P)	3126	ev_check_2625 (EV_P)
2987	{	3127	{
2988	/* kernels < 2.6.25 are borked	3128	/* kernels < 2.6.25 are borked
2989	* http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html	3129	* http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html
2990	*/	3130	*/
2991	struct utsname buf;	3131	if (ev_linux_version () < 0x020619)
2992	int major, minor, micro;
2993
2994	if (uname (&buf))
2995	return;
2996
2997	if (sscanf (buf.release, "%d.%d.%d", &major, &minor, &micro) != 3)
2998	return;
2999
3000	if (major < 2
3001	|| (major == 2 && minor < 6)
3002	|| (major == 2 && minor == 6 && micro < 25))
3003	return;	3132	return;
3004		3133
3005	fs_2625 = 1;	3134	fs_2625 = 1;
3006	}	3135	}
3007		3136
…		…
3022	if (fs_fd != -2)	3151	if (fs_fd != -2)
3023	return;	3152	return;
3024		3153
3025	fs_fd = -1;	3154	fs_fd = -1;
3026		3155
3027	check_2625 (EV_A);	3156	ev_check_2625 (EV_A);
3028		3157
3029	fs_fd = infy_newfd ();	3158	fs_fd = infy_newfd ();
3030		3159
3031	if (fs_fd >= 0)	3160	if (fs_fd >= 0)
3032	{	3161	{
…		…
3057	ev_io_set (&fs_w, fs_fd, EV_READ);	3186	ev_io_set (&fs_w, fs_fd, EV_READ);
3058	ev_io_start (EV_A_ &fs_w);	3187	ev_io_start (EV_A_ &fs_w);
3059	ev_unref (EV_A);	3188	ev_unref (EV_A);
3060	}	3189	}
3061		3190
3062	for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot)	3191	for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)
3063	{	3192	{
3064	WL w_ = fs_hash [slot].head;	3193	WL w_ = fs_hash [slot].head;
3065	fs_hash [slot].head = 0;	3194	fs_hash [slot].head = 0;
3066		3195
3067	while (w_)	3196	while (w_)
…		…
3242		3371
3243	EV_FREQUENT_CHECK;	3372	EV_FREQUENT_CHECK;
3244	}	3373	}
3245	#endif	3374	#endif
3246		3375
		3376	#if EV_PREPARE_ENABLE
3247	void	3377	void
3248	ev_prepare_start (EV_P_ ev_prepare *w)	3378	ev_prepare_start (EV_P_ ev_prepare *w)
3249	{	3379	{
3250	if (expect_false (ev_is_active (w)))	3380	if (expect_false (ev_is_active (w)))
3251	return;	3381	return;
…		…
3277		3407
3278	ev_stop (EV_A_ (W)w);	3408	ev_stop (EV_A_ (W)w);
3279		3409
3280	EV_FREQUENT_CHECK;	3410	EV_FREQUENT_CHECK;
3281	}	3411	}
		3412	#endif
3282		3413
		3414	#if EV_CHECK_ENABLE
3283	void	3415	void
3284	ev_check_start (EV_P_ ev_check *w)	3416	ev_check_start (EV_P_ ev_check *w)
3285	{	3417	{
3286	if (expect_false (ev_is_active (w)))	3418	if (expect_false (ev_is_active (w)))
3287	return;	3419	return;
…		…
3313		3445
3314	ev_stop (EV_A_ (W)w);	3446	ev_stop (EV_A_ (W)w);
3315		3447
3316	EV_FREQUENT_CHECK;	3448	EV_FREQUENT_CHECK;
3317	}	3449	}
		3450	#endif
3318		3451
3319	#if EV_EMBED_ENABLE	3452	#if EV_EMBED_ENABLE
3320	void noinline	3453	void noinline
3321	ev_embed_sweep (EV_P_ ev_embed *w)	3454	ev_embed_sweep (EV_P_ ev_embed *w)
3322	{	3455	{
3323	ev_loop (w->other, EVLOOP_NONBLOCK);	3456	ev_run (w->other, EVRUN_NOWAIT);
3324	}	3457	}
3325		3458
3326	static void	3459	static void
3327	embed_io_cb (EV_P_ ev_io *io, int revents)	3460	embed_io_cb (EV_P_ ev_io *io, int revents)
3328	{	3461	{
3329	ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io));	3462	ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io));
3330		3463
3331	if (ev_cb (w))	3464	if (ev_cb (w))
3332	ev_feed_event (EV_A_ (W)w, EV_EMBED);	3465	ev_feed_event (EV_A_ (W)w, EV_EMBED);
3333	else	3466	else
3334	ev_loop (w->other, EVLOOP_NONBLOCK);	3467	ev_run (w->other, EVRUN_NOWAIT);
3335	}	3468	}
3336		3469
3337	static void	3470	static void
3338	embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents)	3471	embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents)
3339	{	3472	{
…		…
3343	EV_P = w->other;	3476	EV_P = w->other;
3344		3477
3345	while (fdchangecnt)	3478	while (fdchangecnt)
3346	{	3479	{
3347	fd_reify (EV_A);	3480	fd_reify (EV_A);
3348	ev_loop (EV_A_ EVLOOP_NONBLOCK);	3481	ev_run (EV_A_ EVRUN_NOWAIT);
3349	}	3482	}
3350	}	3483	}
3351	}	3484	}
3352		3485
3353	static void	3486	static void
…		…
3359		3492
3360	{	3493	{
3361	EV_P = w->other;	3494	EV_P = w->other;
3362		3495
3363	ev_loop_fork (EV_A);	3496	ev_loop_fork (EV_A);
3364	ev_loop (EV_A_ EVLOOP_NONBLOCK);	3497	ev_run (EV_A_ EVRUN_NOWAIT);
3365	}	3498	}
3366		3499
3367	ev_embed_start (EV_A_ w);	3500	ev_embed_start (EV_A_ w);
3368	}	3501	}
3369		3502
…		…
3417		3550
3418	ev_io_stop (EV_A_ &w->io);	3551	ev_io_stop (EV_A_ &w->io);
3419	ev_prepare_stop (EV_A_ &w->prepare);	3552	ev_prepare_stop (EV_A_ &w->prepare);
3420	ev_fork_stop (EV_A_ &w->fork);	3553	ev_fork_stop (EV_A_ &w->fork);
3421		3554
		3555	ev_stop (EV_A_ (W)w);
		3556
3422	EV_FREQUENT_CHECK;	3557	EV_FREQUENT_CHECK;
3423	}	3558	}
3424	#endif	3559	#endif
3425		3560
3426	#if EV_FORK_ENABLE	3561	#if EV_FORK_ENABLE
…		…
3459		3594
3460	EV_FREQUENT_CHECK;	3595	EV_FREQUENT_CHECK;
3461	}	3596	}
3462	#endif	3597	#endif
3463		3598
3464	#if EV_ASYNC_ENABLE	3599	#if EV_CLEANUP_ENABLE
3465	void	3600	void
3466	ev_async_start (EV_P_ ev_async *w)	3601	ev_cleanup_start (EV_P_ ev_cleanup *w)
3467	{	3602	{
3468	if (expect_false (ev_is_active (w)))	3603	if (expect_false (ev_is_active (w)))
3469	return;	3604	return;
		3605
		3606	EV_FREQUENT_CHECK;
		3607
		3608	ev_start (EV_A_ (W)w, ++cleanupcnt);
		3609	array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, EMPTY2);
		3610	cleanups [cleanupcnt - 1] = w;
		3611
		3612	/* cleanup watchers should never keep a refcount on the loop */
		3613	ev_unref (EV_A);
		3614	EV_FREQUENT_CHECK;
		3615	}
		3616
		3617	void
		3618	ev_cleanup_stop (EV_P_ ev_cleanup *w)
		3619	{
		3620	clear_pending (EV_A_ (W)w);
		3621	if (expect_false (!ev_is_active (w)))
		3622	return;
		3623
		3624	EV_FREQUENT_CHECK;
		3625	ev_ref (EV_A);
		3626
		3627	{
		3628	int active = ev_active (w);
		3629
		3630	cleanups [active - 1] = cleanups [--cleanupcnt];
		3631	ev_active (cleanups [active - 1]) = active;
		3632	}
		3633
		3634	ev_stop (EV_A_ (W)w);
		3635
		3636	EV_FREQUENT_CHECK;
		3637	}
		3638	#endif
		3639
		3640	#if EV_ASYNC_ENABLE
		3641	void
		3642	ev_async_start (EV_P_ ev_async *w)
		3643	{
		3644	if (expect_false (ev_is_active (w)))
		3645	return;
		3646
		3647	w->sent = 0;
3470		3648
3471	evpipe_init (EV_A);	3649	evpipe_init (EV_A);
3472		3650
3473	EV_FREQUENT_CHECK;	3651	EV_FREQUENT_CHECK;
3474		3652
…		…
3552	{	3730	{
3553	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));	3731	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));
3554		3732
3555	if (expect_false (!once))	3733	if (expect_false (!once))
3556	{	3734	{
3557	cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg);	3735	cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMER, arg);
3558	return;	3736	return;
3559	}	3737	}
3560		3738
3561	once->cb = cb;	3739	once->cb = cb;
3562	once->arg = arg;	3740	once->arg = arg;
…		…
3649	if (types & EV_ASYNC)	3827	if (types & EV_ASYNC)
3650	for (i = asynccnt; i--; )	3828	for (i = asynccnt; i--; )
3651	cb (EV_A_ EV_ASYNC, asyncs [i]);	3829	cb (EV_A_ EV_ASYNC, asyncs [i]);
3652	#endif	3830	#endif
3653		3831
		3832	#if EV_PREPARE_ENABLE
3654	if (types & EV_PREPARE)	3833	if (types & EV_PREPARE)
3655	for (i = preparecnt; i--; )	3834	for (i = preparecnt; i--; )
3656	#if EV_EMBED_ENABLE	3835	# if EV_EMBED_ENABLE
3657	if (ev_cb (prepares [i]) != embed_prepare_cb)	3836	if (ev_cb (prepares [i]) != embed_prepare_cb)
3658	#endif	3837	# endif
3659	cb (EV_A_ EV_PREPARE, prepares [i]);	3838	cb (EV_A_ EV_PREPARE, prepares [i]);
		3839	#endif
3660		3840
		3841	#if EV_CHECK_ENABLE
3661	if (types & EV_CHECK)	3842	if (types & EV_CHECK)
3662	for (i = checkcnt; i--; )	3843	for (i = checkcnt; i--; )
3663	cb (EV_A_ EV_CHECK, checks [i]);	3844	cb (EV_A_ EV_CHECK, checks [i]);
		3845	#endif
3664		3846
		3847	#if EV_SIGNAL_ENABLE
3665	if (types & EV_SIGNAL)	3848	if (types & EV_SIGNAL)
3666	for (i = 0; i < EV_NSIG - 1; ++i)	3849	for (i = 0; i < EV_NSIG - 1; ++i)
3667	for (wl = signals [i].head; wl; )	3850	for (wl = signals [i].head; wl; )
3668	{	3851	{
3669	wn = wl->next;	3852	wn = wl->next;
3670	cb (EV_A_ EV_SIGNAL, wl);	3853	cb (EV_A_ EV_SIGNAL, wl);
3671	wl = wn;	3854	wl = wn;
3672	}	3855	}
		3856	#endif
3673		3857
		3858	#if EV_CHILD_ENABLE
3674	if (types & EV_CHILD)	3859	if (types & EV_CHILD)
3675	for (i = EV_PID_HASHSIZE; i--; )	3860	for (i = (EV_PID_HASHSIZE); i--; )
3676	for (wl = childs [i]; wl; )	3861	for (wl = childs [i]; wl; )
3677	{	3862	{
3678	wn = wl->next;	3863	wn = wl->next;
3679	cb (EV_A_ EV_CHILD, wl);	3864	cb (EV_A_ EV_CHILD, wl);
3680	wl = wn;	3865	wl = wn;
3681	}	3866	}
		3867	#endif
3682	/* EV_STAT 0x00001000 /* stat data changed */	3868	/* EV_STAT 0x00001000 /* stat data changed */
3683	/* EV_EMBED 0x00010000 /* embedded event loop needs sweep */	3869	/* EV_EMBED 0x00010000 /* embedded event loop needs sweep */
3684	}	3870	}
3685	#endif	3871	#endif
3686		3872
3687	#if EV_MULTIPLICITY	3873	#if EV_MULTIPLICITY
3688	#include "ev_wrap.h"	3874	#include "ev_wrap.h"
3689	#endif	3875	#endif
3690		3876
3691	#ifdef __cplusplus	3877	EV_CPP(})
3692	}
3693	#endif
3694		3878

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines