[ViewVC] Diff of: cvs/libev/ev.c

Comparing libev/ev.c (file contents):
Revision 1.318 by root, Tue Nov 17 00:22:28 2009 UTC vs.
Revision 1.346 by root, Thu Oct 14 05:07:04 2010 UTC

…		…
1	/*	1	/*
2	* libev event processing core, watcher management	2	* libev event processing core, watcher management
3	*	3	*
4	* Copyright (c) 2007,2008,2009 Marc Alexander Lehmann <libev@schmorp.de>	4	* Copyright (c) 2007,2008,2009,2010 Marc Alexander Lehmann <libev@schmorp.de>
5	* All rights reserved.	5	* All rights reserved.
6	*	6	*
7	* Redistribution and use in source and binary forms, with or without modifica-	7	* Redistribution and use in source and binary forms, with or without modifica-
8	* tion, are permitted provided that the following conditions are met:	8	* tion, are permitted provided that the following conditions are met:
9	*	9	*
77	# ifndef EV_USE_REALTIME	77	# ifndef EV_USE_REALTIME
78	# define EV_USE_REALTIME 0	78	# define EV_USE_REALTIME 0
79	# endif	79	# endif
80	# endif	80	# endif
81		81
		82	# if HAVE_NANOSLEEP
82	# ifndef EV_USE_NANOSLEEP	83	# ifndef EV_USE_NANOSLEEP
83	# if HAVE_NANOSLEEP
84	# define EV_USE_NANOSLEEP 1	84	# define EV_USE_NANOSLEEP EV_FEATURE_OS
		85	# endif
85	# else	86	# else
		87	# undef EV_USE_NANOSLEEP
86	# define EV_USE_NANOSLEEP 0	88	# define EV_USE_NANOSLEEP 0
		89	# endif
		90
		91	# if HAVE_SELECT && HAVE_SYS_SELECT_H
		92	# ifndef EV_USE_SELECT
		93	# define EV_USE_SELECT EV_FEATURE_BACKENDS
87	# endif	94	# endif
		95	# else
		96	# undef EV_USE_SELECT
		97	# define EV_USE_SELECT 0
88	# endif	98	# endif
89		99
		100	# if HAVE_POLL && HAVE_POLL_H
90	# ifndef EV_USE_SELECT	101	# ifndef EV_USE_POLL
91	# if HAVE_SELECT && HAVE_SYS_SELECT_H	102	# define EV_USE_POLL EV_FEATURE_BACKENDS
92	# define EV_USE_SELECT 1
93	# else
94	# define EV_USE_SELECT 0
95	# endif	103	# endif
96	# endif
97
98	# ifndef EV_USE_POLL
99	# if HAVE_POLL && HAVE_POLL_H
100	# define EV_USE_POLL 1
101	# else	104	# else
		105	# undef EV_USE_POLL
102	# define EV_USE_POLL 0	106	# define EV_USE_POLL 0
103	# endif
104	# endif	107	# endif
105		108
106	# ifndef EV_USE_EPOLL
107	# if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H	109	# if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H
108	# define EV_USE_EPOLL 1	110	# ifndef EV_USE_EPOLL
109	# else	111	# define EV_USE_EPOLL EV_FEATURE_BACKENDS
110	# define EV_USE_EPOLL 0
111	# endif	112	# endif
		113	# else
		114	# undef EV_USE_EPOLL
		115	# define EV_USE_EPOLL 0
112	# endif	116	# endif
113		117
		118	# if HAVE_KQUEUE && HAVE_SYS_EVENT_H
114	# ifndef EV_USE_KQUEUE	119	# ifndef EV_USE_KQUEUE
115	# if HAVE_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H	120	# define EV_USE_KQUEUE EV_FEATURE_BACKENDS
116	# define EV_USE_KQUEUE 1
117	# else
118	# define EV_USE_KQUEUE 0
119	# endif	121	# endif
		122	# else
		123	# undef EV_USE_KQUEUE
		124	# define EV_USE_KQUEUE 0
120	# endif	125	# endif
121		126
122	# ifndef EV_USE_PORT
123	# if HAVE_PORT_H && HAVE_PORT_CREATE	127	# if HAVE_PORT_H && HAVE_PORT_CREATE
124	# define EV_USE_PORT 1	128	# ifndef EV_USE_PORT
125	# else	129	# define EV_USE_PORT EV_FEATURE_BACKENDS
126	# define EV_USE_PORT 0
127	# endif	130	# endif
		131	# else
		132	# undef EV_USE_PORT
		133	# define EV_USE_PORT 0
128	# endif	134	# endif
129		135
130	# ifndef EV_USE_INOTIFY
131	# if HAVE_INOTIFY_INIT && HAVE_SYS_INOTIFY_H	136	# if HAVE_INOTIFY_INIT && HAVE_SYS_INOTIFY_H
132	# define EV_USE_INOTIFY 1	137	# ifndef EV_USE_INOTIFY
133	# else
134	# define EV_USE_INOTIFY 0	138	# define EV_USE_INOTIFY EV_FEATURE_OS
135	# endif	139	# endif
		140	# else
		141	# undef EV_USE_INOTIFY
		142	# define EV_USE_INOTIFY 0
136	# endif	143	# endif
137		144
138	# ifndef EV_USE_SIGNALFD
139	# if HAVE_SIGNALFD && HAVE_SYS_SIGNALFD_H	145	# if HAVE_SIGNALFD && HAVE_SYS_SIGNALFD_H
140	# define EV_USE_SIGNALFD 1	146	# ifndef EV_USE_SIGNALFD
141	# else
142	# define EV_USE_SIGNALFD 0	147	# define EV_USE_SIGNALFD EV_FEATURE_OS
143	# endif	148	# endif
		149	# else
		150	# undef EV_USE_SIGNALFD
		151	# define EV_USE_SIGNALFD 0
144	# endif	152	# endif
145		153
		154	# if HAVE_EVENTFD
146	# ifndef EV_USE_EVENTFD	155	# ifndef EV_USE_EVENTFD
147	# if HAVE_EVENTFD
148	# define EV_USE_EVENTFD 1	156	# define EV_USE_EVENTFD EV_FEATURE_OS
149	# else
150	# define EV_USE_EVENTFD 0
151	# endif	157	# endif
		158	# else
		159	# undef EV_USE_EVENTFD
		160	# define EV_USE_EVENTFD 0
152	# endif	161	# endif
153		162
154	#endif	163	#endif
155		164
156	#include <math.h>	165	#include <math.h>
157	#include <stdlib.h>	166	#include <stdlib.h>
		167	#include <string.h>
158	#include <fcntl.h>	168	#include <fcntl.h>
159	#include <stddef.h>	169	#include <stddef.h>
160		170
161	#include <stdio.h>	171	#include <stdio.h>
162		172
163	#include <assert.h>	173	#include <assert.h>
164	#include <errno.h>	174	#include <errno.h>
165	#include <sys/types.h>	175	#include <sys/types.h>
166	#include <time.h>	176	#include <time.h>
		177	#include <limits.h>
167		178
168	#include <signal.h>	179	#include <signal.h>
169		180
170	#ifdef EV_H	181	#ifdef EV_H
171	# include EV_H	182	# include EV_H
…		…
182	# define WIN32_LEAN_AND_MEAN	193	# define WIN32_LEAN_AND_MEAN
183	# include <windows.h>	194	# include <windows.h>
184	# ifndef EV_SELECT_IS_WINSOCKET	195	# ifndef EV_SELECT_IS_WINSOCKET
185	# define EV_SELECT_IS_WINSOCKET 1	196	# define EV_SELECT_IS_WINSOCKET 1
186	# endif	197	# endif
		198	# undef EV_AVOID_STDIO
187	#endif	199	#endif
		200
		201	/* OS X, in its infinite idiocy, actually HARDCODES
		202	* a limit of 1024 into their select. Where people have brains,
		203	* OS X engineers apparently have a vacuum. Or maybe they were
		204	* ordered to have a vacuum, or they do anything for money.
		205	* This might help. Or not.
		206	*/
		207	#define _DARWIN_UNLIMITED_SELECT 1
188		208
189	/* this block tries to deduce configuration from header-defined symbols and defaults */	209	/* this block tries to deduce configuration from header-defined symbols and defaults */
190		210
191	/* try to deduce the maximum number of signals on this platform */	211	/* try to deduce the maximum number of signals on this platform */
192	#if defined (EV_NSIG)	212	#if defined (EV_NSIG)
…		…
204	#elif defined (MAXSIG)	224	#elif defined (MAXSIG)
205	# define EV_NSIG (MAXSIG+1)	225	# define EV_NSIG (MAXSIG+1)
206	#elif defined (MAX_SIG)	226	#elif defined (MAX_SIG)
207	# define EV_NSIG (MAX_SIG+1)	227	# define EV_NSIG (MAX_SIG+1)
208	#elif defined (SIGARRAYSIZE)	228	#elif defined (SIGARRAYSIZE)
209	# define EV_NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */	229	# define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */
210	#elif defined (_sys_nsig)	230	#elif defined (_sys_nsig)
211	# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */	231	# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */
212	#else	232	#else
213	# error "unable to find value for NSIG, please report"	233	# error "unable to find value for NSIG, please report"
214	/* to make it compile regardless, just remove the above line */	234	/* to make it compile regardless, just remove the above line, */
		235	/* but consider reporting it, too! :) */
215	# define EV_NSIG 65	236	# define EV_NSIG 65
216	#endif	237	#endif
217		238
218	#ifndef EV_USE_CLOCK_SYSCALL	239	#ifndef EV_USE_CLOCK_SYSCALL
219	# if __linux && __GLIBC__ >= 2	240	# if __linux && __GLIBC__ >= 2
220	# define EV_USE_CLOCK_SYSCALL 1	241	# define EV_USE_CLOCK_SYSCALL EV_FEATURE_OS
221	# else	242	# else
222	# define EV_USE_CLOCK_SYSCALL 0	243	# define EV_USE_CLOCK_SYSCALL 0
223	# endif	244	# endif
224	#endif	245	#endif
225		246
226	#ifndef EV_USE_MONOTONIC	247	#ifndef EV_USE_MONOTONIC
227	# if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0	248	# if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0
228	# define EV_USE_MONOTONIC 1	249	# define EV_USE_MONOTONIC EV_FEATURE_OS
229	# else	250	# else
230	# define EV_USE_MONOTONIC 0	251	# define EV_USE_MONOTONIC 0
231	# endif	252	# endif
232	#endif	253	#endif
233		254
…		…
235	# define EV_USE_REALTIME !EV_USE_CLOCK_SYSCALL	256	# define EV_USE_REALTIME !EV_USE_CLOCK_SYSCALL
236	#endif	257	#endif
237		258
238	#ifndef EV_USE_NANOSLEEP	259	#ifndef EV_USE_NANOSLEEP
239	# if _POSIX_C_SOURCE >= 199309L	260	# if _POSIX_C_SOURCE >= 199309L
240	# define EV_USE_NANOSLEEP 1	261	# define EV_USE_NANOSLEEP EV_FEATURE_OS
241	# else	262	# else
242	# define EV_USE_NANOSLEEP 0	263	# define EV_USE_NANOSLEEP 0
243	# endif	264	# endif
244	#endif	265	#endif
245		266
246	#ifndef EV_USE_SELECT	267	#ifndef EV_USE_SELECT
247	# define EV_USE_SELECT 1	268	# define EV_USE_SELECT EV_FEATURE_BACKENDS
248	#endif	269	#endif
249		270
250	#ifndef EV_USE_POLL	271	#ifndef EV_USE_POLL
251	# ifdef _WIN32	272	# ifdef _WIN32
252	# define EV_USE_POLL 0	273	# define EV_USE_POLL 0
253	# else	274	# else
254	# define EV_USE_POLL 1	275	# define EV_USE_POLL EV_FEATURE_BACKENDS
255	# endif	276	# endif
256	#endif	277	#endif
257		278
258	#ifndef EV_USE_EPOLL	279	#ifndef EV_USE_EPOLL
259	# if __linux && (__GLIBC__ > 2 \|\| (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))	280	# if __linux && (__GLIBC__ > 2 \|\| (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))
260	# define EV_USE_EPOLL 1	281	# define EV_USE_EPOLL EV_FEATURE_BACKENDS
261	# else	282	# else
262	# define EV_USE_EPOLL 0	283	# define EV_USE_EPOLL 0
263	# endif	284	# endif
264	#endif	285	#endif
265		286
…		…
271	# define EV_USE_PORT 0	292	# define EV_USE_PORT 0
272	#endif	293	#endif
273		294
274	#ifndef EV_USE_INOTIFY	295	#ifndef EV_USE_INOTIFY
275	# if __linux && (__GLIBC__ > 2 \|\| (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))	296	# if __linux && (__GLIBC__ > 2 \|\| (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))
276	# define EV_USE_INOTIFY 1	297	# define EV_USE_INOTIFY EV_FEATURE_OS
277	# else	298	# else
278	# define EV_USE_INOTIFY 0	299	# define EV_USE_INOTIFY 0
279	# endif	300	# endif
280	#endif	301	#endif
281		302
282	#ifndef EV_PID_HASHSIZE	303	#ifndef EV_PID_HASHSIZE
283	# if EV_MINIMAL	304	# define EV_PID_HASHSIZE EV_FEATURE_DATA ? 16 : 1
284	# define EV_PID_HASHSIZE 1
285	# else
286	# define EV_PID_HASHSIZE 16
287	# endif
288	#endif	305	#endif
289		306
290	#ifndef EV_INOTIFY_HASHSIZE	307	#ifndef EV_INOTIFY_HASHSIZE
291	# if EV_MINIMAL	308	# define EV_INOTIFY_HASHSIZE EV_FEATURE_DATA ? 16 : 1
292	# define EV_INOTIFY_HASHSIZE 1
293	# else
294	# define EV_INOTIFY_HASHSIZE 16
295	# endif
296	#endif	309	#endif
297		310
298	#ifndef EV_USE_EVENTFD	311	#ifndef EV_USE_EVENTFD
299	# if __linux && (__GLIBC__ > 2 \|\| (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7))	312	# if __linux && (__GLIBC__ > 2 \|\| (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7))
300	# define EV_USE_EVENTFD 1	313	# define EV_USE_EVENTFD EV_FEATURE_OS
301	# else	314	# else
302	# define EV_USE_EVENTFD 0	315	# define EV_USE_EVENTFD 0
303	# endif	316	# endif
304	#endif	317	#endif
305		318
306	#ifndef EV_USE_SIGNALFD	319	#ifndef EV_USE_SIGNALFD
307	# if __linux && (__GLIBC__ > 2 \|\| (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7))	320	# if __linux && (__GLIBC__ > 2 \|\| (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7))
308	# define EV_USE_SIGNALFD 1	321	# define EV_USE_SIGNALFD EV_FEATURE_OS
309	# else	322	# else
310	# define EV_USE_SIGNALFD 0	323	# define EV_USE_SIGNALFD 0
311	# endif	324	# endif
312	#endif	325	#endif
313		326
…		…
316	# define EV_USE_4HEAP 1	329	# define EV_USE_4HEAP 1
317	# define EV_HEAP_CACHE_AT 1	330	# define EV_HEAP_CACHE_AT 1
318	#endif	331	#endif
319		332
320	#ifndef EV_VERIFY	333	#ifndef EV_VERIFY
321	# define EV_VERIFY !EV_MINIMAL	334	# define EV_VERIFY (EV_FEATURE_API ? 1 : 0)
322	#endif	335	#endif
323		336
324	#ifndef EV_USE_4HEAP	337	#ifndef EV_USE_4HEAP
325	# define EV_USE_4HEAP !EV_MINIMAL	338	# define EV_USE_4HEAP EV_FEATURE_DATA
326	#endif	339	#endif
327		340
328	#ifndef EV_HEAP_CACHE_AT	341	#ifndef EV_HEAP_CACHE_AT
329	# define EV_HEAP_CACHE_AT !EV_MINIMAL	342	# define EV_HEAP_CACHE_AT EV_FEATURE_DATA
330	#endif	343	#endif
331		344
332	/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */	345	/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */
333	/* which makes programs even slower. might work on other unices, too. */	346	/* which makes programs even slower. might work on other unices, too. */
334	#if EV_USE_CLOCK_SYSCALL	347	#if EV_USE_CLOCK_SYSCALL
…		…
342	# define EV_USE_CLOCK_SYSCALL 0	355	# define EV_USE_CLOCK_SYSCALL 0
343	# endif	356	# endif
344	#endif	357	#endif
345		358
346	/* this block fixes any misconfiguration where we know we run into trouble otherwise */	359	/* this block fixes any misconfiguration where we know we run into trouble otherwise */
		360
		361	#ifdef _AIX
		362	/* AIX has a completely broken poll.h header */
		363	# undef EV_USE_POLL
		364	# define EV_USE_POLL 0
		365	#endif
347		366
348	#ifndef CLOCK_MONOTONIC	367	#ifndef CLOCK_MONOTONIC
349	# undef EV_USE_MONOTONIC	368	# undef EV_USE_MONOTONIC
350	# define EV_USE_MONOTONIC 0	369	# define EV_USE_MONOTONIC 0
351	#endif	370	#endif
…		…
395	# endif	414	# endif
396	# endif	415	# endif
397	# ifdef __cplusplus	416	# ifdef __cplusplus
398	extern "C" {	417	extern "C" {
399	# endif	418	# endif
400	int eventfd (unsigned int initval, int flags);	419	int (eventfd) (unsigned int initval, int flags);
401	# ifdef __cplusplus	420	# ifdef __cplusplus
402	}	421	}
403	# endif	422	# endif
404	#endif	423	#endif
405		424
…		…
433		452
434		453
435	/**/	454	/**/
436		455
437	#if EV_VERIFY >= 3	456	#if EV_VERIFY >= 3
438	# define EV_FREQUENT_CHECK ev_loop_verify (EV_A)	457	# define EV_FREQUENT_CHECK ev_verify (EV_A)
439	#else	458	#else
440	# define EV_FREQUENT_CHECK do { } while (0)	459	# define EV_FREQUENT_CHECK do { } while (0)
441	#endif	460	#endif
442		461
443	/*	462	/*
…		…
466		485
467	#define expect_false(expr) expect ((expr) != 0, 0)	486	#define expect_false(expr) expect ((expr) != 0, 0)
468	#define expect_true(expr) expect ((expr) != 0, 1)	487	#define expect_true(expr) expect ((expr) != 0, 1)
469	#define inline_size static inline	488	#define inline_size static inline
470		489
471	#if EV_MINIMAL	490	#if EV_FEATURE_CODE
		491	# define inline_speed static inline
		492	#else
472	# define inline_speed static noinline	493	# define inline_speed static noinline
473	#else
474	# define inline_speed static inline
475	#endif	494	#endif
476		495
477	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)	496	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
478		497
479	#if EV_MINPRI == EV_MAXPRI	498	#if EV_MINPRI == EV_MAXPRI
…		…
492	#define ev_active(w) ((W)(w))->active	511	#define ev_active(w) ((W)(w))->active
493	#define ev_at(w) ((WT)(w))->at	512	#define ev_at(w) ((WT)(w))->at
494		513
495	#if EV_USE_REALTIME	514	#if EV_USE_REALTIME
496	/* sig_atomic_t is used to avoid per-thread variables or locking but still */	515	/* sig_atomic_t is used to avoid per-thread variables or locking but still */
497	/* giving it a reasonably high chance of working on typical architetcures */	516	/* giving it a reasonably high chance of working on typical architectures */
498	static EV_ATOMIC_T have_realtime; /* did clock_gettime (CLOCK_REALTIME) work? */	517	static EV_ATOMIC_T have_realtime; /* did clock_gettime (CLOCK_REALTIME) work? */
499	#endif	518	#endif
500		519
501	#if EV_USE_MONOTONIC	520	#if EV_USE_MONOTONIC
502	static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */	521	static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */
…		…
504		523
505	#ifndef EV_FD_TO_WIN32_HANDLE	524	#ifndef EV_FD_TO_WIN32_HANDLE
506	# define EV_FD_TO_WIN32_HANDLE(fd) _get_osfhandle (fd)	525	# define EV_FD_TO_WIN32_HANDLE(fd) _get_osfhandle (fd)
507	#endif	526	#endif
508	#ifndef EV_WIN32_HANDLE_TO_FD	527	#ifndef EV_WIN32_HANDLE_TO_FD
509	# define EV_WIN32_HANDLE_TO_FD(handle) _open_osfhandle (fd, 0)	528	# define EV_WIN32_HANDLE_TO_FD(handle) _open_osfhandle (handle, 0)
510	#endif	529	#endif
511	#ifndef EV_WIN32_CLOSE_FD	530	#ifndef EV_WIN32_CLOSE_FD
512	# define EV_WIN32_CLOSE_FD(fd) close (fd)	531	# define EV_WIN32_CLOSE_FD(fd) close (fd)
513	#endif	532	#endif
514		533
515	#ifdef _WIN32	534	#ifdef _WIN32
516	# include "ev_win32.c"	535	# include "ev_win32.c"
517	#endif	536	#endif
518		537
519	/*****************************************************************************/	538	/*****************************************************************************/
		539
		540	#if EV_AVOID_STDIO
		541	static void noinline
		542	ev_printerr (const char *msg)
		543	{
		544	write (STDERR_FILENO, msg, strlen (msg));
		545	}
		546	#endif
520		547
521	static void (syserr_cb)(const char msg);	548	static void (syserr_cb)(const char msg);
522		549
523	void	550	void
524	ev_set_syserr_cb (void (cb)(const char msg))	551	ev_set_syserr_cb (void (cb)(const char msg))
…		…
534		561
535	if (syserr_cb)	562	if (syserr_cb)
536	syserr_cb (msg);	563	syserr_cb (msg);
537	else	564	else
538	{	565	{
		566	#if EV_AVOID_STDIO
		567	const char *err = strerror (errno);
		568
		569	ev_printerr (msg);
		570	ev_printerr (": ");
		571	ev_printerr (err);
		572	ev_printerr ("\n");
		573	#else
539	perror (msg);	574	perror (msg);
		575	#endif
540	abort ();	576	abort ();
541	}	577	}
542	}	578	}
543		579
544	static void *	580	static void *
545	ev_realloc_emul (void *ptr, long size)	581	ev_realloc_emul (void *ptr, long size)
546	{	582	{
		583	#if __GLIBC__
		584	return realloc (ptr, size);
		585	#else
547	/* some systems, notably openbsd and darwin, fail to properly	586	/* some systems, notably openbsd and darwin, fail to properly
548	* implement realloc (x, 0) (as required by both ansi c-98 and	587	* implement realloc (x, 0) (as required by both ansi c-89 and
549	* the single unix specification, so work around them here.	588	* the single unix specification, so work around them here.
550	*/	589	*/
551		590
552	if (size)	591	if (size)
553	return realloc (ptr, size);	592	return realloc (ptr, size);
554		593
555	free (ptr);	594	free (ptr);
556	return 0;	595	return 0;
		596	#endif
557	}	597	}
558		598
559	static void (alloc)(void *ptr, long size) = ev_realloc_emul;	599	static void (alloc)(void *ptr, long size) = ev_realloc_emul;
560		600
561	void	601	void
…		…
569	{	609	{
570	ptr = alloc (ptr, size);	610	ptr = alloc (ptr, size);
571		611
572	if (!ptr && size)	612	if (!ptr && size)
573	{	613	{
		614	#if EV_AVOID_STDIO
		615	ev_printerr ("libev: memory allocation failed, aborting.\n");
		616	#else
574	fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size);	617	fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size);
		618	#endif
575	abort ();	619	abort ();
576	}	620	}
577		621
578	return ptr;	622	return ptr;
579	}	623	}
…		…
661		705
662	static int ev_default_loop_ptr;	706	static int ev_default_loop_ptr;
663		707
664	#endif	708	#endif
665		709
666	#if EV_MINIMAL < 2	710	#if EV_FEATURE_API
667	# define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A)	711	# define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A)
668	# define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A)	712	# define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A)
669	# define EV_INVOKE_PENDING invoke_cb (EV_A)	713	# define EV_INVOKE_PENDING invoke_cb (EV_A)
670	#else	714	#else
671	# define EV_RELEASE_CB (void)0	715	# define EV_RELEASE_CB (void)0
…		…
750	/*****************************************************************************/	794	/*****************************************************************************/
751		795
752	#define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2*n and >> 4 longs /	796	#define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2*n and >> 4 longs /
753		797
754	/* find a suitable new size for the given array, */	798	/* find a suitable new size for the given array, */
755	/* hopefully by rounding to a ncie-to-malloc size */	799	/* hopefully by rounding to a nice-to-malloc size */
756	inline_size int	800	inline_size int
757	array_nextsize (int elem, int cur, int cnt)	801	array_nextsize (int elem, int cur, int cnt)
758	{	802	{
759	int ncur = cur + 1;	803	int ncur = cur + 1;
760		804
…		…
856	}	900	}
857		901
858	/*****************************************************************************/	902	/*****************************************************************************/
859		903
860	inline_speed void	904	inline_speed void
861	fd_event_nc (EV_P_ int fd, int revents)	905	fd_event_nocheck (EV_P_ int fd, int revents)
862	{	906	{
863	ANFD *anfd = anfds + fd;	907	ANFD *anfd = anfds + fd;
864	ev_io *w;	908	ev_io *w;
865		909
866	for (w = (ev_io )anfd->head; w; w = (ev_io )((WL)w)->next)	910	for (w = (ev_io )anfd->head; w; w = (ev_io )((WL)w)->next)
…		…
878	fd_event (EV_P_ int fd, int revents)	922	fd_event (EV_P_ int fd, int revents)
879	{	923	{
880	ANFD *anfd = anfds + fd;	924	ANFD *anfd = anfds + fd;
881		925
882	if (expect_true (!anfd->reify))	926	if (expect_true (!anfd->reify))
883	fd_event_nc (EV_A_ fd, revents);	927	fd_event_nocheck (EV_A_ fd, revents);
884	}	928	}
885		929
886	void	930	void
887	ev_feed_fd_event (EV_P_ int fd, int revents)	931	ev_feed_fd_event (EV_P_ int fd, int revents)
888	{	932	{
889	if (fd >= 0 && fd < anfdmax)	933	if (fd >= 0 && fd < anfdmax)
890	fd_event_nc (EV_A_ fd, revents);	934	fd_event_nocheck (EV_A_ fd, revents);
891	}	935	}
892		936
893	/* make sure the external fd watch events are in-sync */	937	/* make sure the external fd watch events are in-sync */
894	/* with the kernel/libev internal state */	938	/* with the kernel/libev internal state */
895	inline_size void	939	inline_size void
…		…
958	ev_io_stop (EV_A_ w);	1002	ev_io_stop (EV_A_ w);
959	ev_feed_event (EV_A_ (W)w, EV_ERROR \| EV_READ \| EV_WRITE);	1003	ev_feed_event (EV_A_ (W)w, EV_ERROR \| EV_READ \| EV_WRITE);
960	}	1004	}
961	}	1005	}
962		1006
963	/* check whether the given fd is atcually valid, for error recovery */	1007	/* check whether the given fd is actually valid, for error recovery */
964	inline_size int	1008	inline_size int
965	fd_valid (int fd)	1009	fd_valid (int fd)
966	{	1010	{
967	#ifdef _WIN32	1011	#ifdef _WIN32
968	return _get_osfhandle (fd) != -1;	1012	return EV_FD_TO_WIN32_HANDLE (fd) != -1;
969	#else	1013	#else
970	return fcntl (fd, F_GETFD) != -1;	1014	return fcntl (fd, F_GETFD) != -1;
971	#endif	1015	#endif
972	}	1016	}
973		1017
…		…
1010	anfds [fd].emask = 0;	1054	anfds [fd].emask = 0;
1011	fd_change (EV_A_ fd, EV__IOFDSET \| EV_ANFD_REIFY);	1055	fd_change (EV_A_ fd, EV__IOFDSET \| EV_ANFD_REIFY);
1012	}	1056	}
1013	}	1057	}
1014		1058
		1059	/* used to prepare libev internal fd's */
		1060	/* this is not fork-safe */
		1061	inline_speed void
		1062	fd_intern (int fd)
		1063	{
		1064	#ifdef _WIN32
		1065	unsigned long arg = 1;
		1066	ioctlsocket (EV_FD_TO_WIN32_HANDLE (fd), FIONBIO, &arg);
		1067	#else
		1068	fcntl (fd, F_SETFD, FD_CLOEXEC);
		1069	fcntl (fd, F_SETFL, O_NONBLOCK);
		1070	#endif
		1071	}
		1072
1015	/*****************************************************************************/	1073	/*****************************************************************************/
1016		1074
1017	/*	1075	/*
1018	* the heap functions want a real array index. array index 0 uis guaranteed to not	1076	* the heap functions want a real array index. array index 0 is guaranteed to not
1019	* be in-use at any time. the first heap entry is at array [HEAP0]. DHEAP gives	1077	* be in-use at any time. the first heap entry is at array [HEAP0]. DHEAP gives
1020	* the branching factor of the d-tree.	1078	* the branching factor of the d-tree.
1021	*/	1079	*/
1022		1080
1023	/*	1081	/*
…		…
1171		1229
1172	static ANSIG signals [EV_NSIG - 1];	1230	static ANSIG signals [EV_NSIG - 1];
1173		1231
1174	/*****************************************************************************/	1232	/*****************************************************************************/
1175		1233
1176	/* used to prepare libev internal fd's */	1234	#if EV_SIGNAL_ENABLE \|\| EV_ASYNC_ENABLE
1177	/* this is not fork-safe */
1178	inline_speed void
1179	fd_intern (int fd)
1180	{
1181	#ifdef _WIN32
1182	unsigned long arg = 1;
1183	ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg);
1184	#else
1185	fcntl (fd, F_SETFD, FD_CLOEXEC);
1186	fcntl (fd, F_SETFL, O_NONBLOCK);
1187	#endif
1188	}
1189		1235
1190	static void noinline	1236	static void noinline
1191	evpipe_init (EV_P)	1237	evpipe_init (EV_P)
1192	{	1238	{
1193	if (!ev_is_active (&pipe_w))	1239	if (!ev_is_active (&pipe_w))
1194	{	1240	{
1195	#if EV_USE_EVENTFD	1241	# if EV_USE_EVENTFD
1196	evfd = eventfd (0, EFD_NONBLOCK \| EFD_CLOEXEC);	1242	evfd = eventfd (0, EFD_NONBLOCK \| EFD_CLOEXEC);
1197	if (evfd < 0 && errno == EINVAL)	1243	if (evfd < 0 && errno == EINVAL)
1198	evfd = eventfd (0, 0);	1244	evfd = eventfd (0, 0);
1199		1245
1200	if (evfd >= 0)	1246	if (evfd >= 0)
…		…
1202	evpipe [0] = -1;	1248	evpipe [0] = -1;
1203	fd_intern (evfd); /* doing it twice doesn't hurt */	1249	fd_intern (evfd); /* doing it twice doesn't hurt */
1204	ev_io_set (&pipe_w, evfd, EV_READ);	1250	ev_io_set (&pipe_w, evfd, EV_READ);
1205	}	1251	}
1206	else	1252	else
1207	#endif	1253	# endif
1208	{	1254	{
1209	while (pipe (evpipe))	1255	while (pipe (evpipe))
1210	ev_syserr ("(libev) error creating signal/async pipe");	1256	ev_syserr ("(libev) error creating signal/async pipe");
1211		1257
1212	fd_intern (evpipe [0]);	1258	fd_intern (evpipe [0]);
…		…
1223	evpipe_write (EV_P_ EV_ATOMIC_T *flag)	1269	evpipe_write (EV_P_ EV_ATOMIC_T *flag)
1224	{	1270	{
1225	if (!*flag)	1271	if (!*flag)
1226	{	1272	{
1227	int old_errno = errno; /* save errno because write might clobber it */	1273	int old_errno = errno; /* save errno because write might clobber it */
		1274	char dummy;
1228		1275
1229	*flag = 1;	1276	*flag = 1;
1230		1277
1231	#if EV_USE_EVENTFD	1278	#if EV_USE_EVENTFD
1232	if (evfd >= 0)	1279	if (evfd >= 0)
…		…
1234	uint64_t counter = 1;	1281	uint64_t counter = 1;
1235	write (evfd, &counter, sizeof (uint64_t));	1282	write (evfd, &counter, sizeof (uint64_t));
1236	}	1283	}
1237	else	1284	else
1238	#endif	1285	#endif
		1286	/* win32 people keep sending patches that change this write() to send() */
		1287	/* and then run away. but send() is wrong, it wants a socket handle on win32 */
		1288	/* so when you think this write should be a send instead, please find out */
		1289	/* where your send() is from - it's definitely not the microsoft send, and */
		1290	/* tell me. thank you. */
1239	write (evpipe [1], &old_errno, 1);	1291	write (evpipe [1], &dummy, 1);
1240		1292
1241	errno = old_errno;	1293	errno = old_errno;
1242	}	1294	}
1243	}	1295	}
1244		1296
…		…
1257	}	1309	}
1258	else	1310	else
1259	#endif	1311	#endif
1260	{	1312	{
1261	char dummy;	1313	char dummy;
		1314	/* see discussion in evpipe_write when you think this read should be recv in win32 */
1262	read (evpipe [0], &dummy, 1);	1315	read (evpipe [0], &dummy, 1);
1263	}	1316	}
1264		1317
1265	if (sig_pending)	1318	if (sig_pending)
1266	{	1319	{
…		…
1293	{	1346	{
1294	#if EV_MULTIPLICITY	1347	#if EV_MULTIPLICITY
1295	EV_P = signals [signum - 1].loop;	1348	EV_P = signals [signum - 1].loop;
1296	#endif	1349	#endif
1297		1350
1298	#if _WIN32	1351	#ifdef _WIN32
1299	signal (signum, ev_sighandler);	1352	signal (signum, ev_sighandler);
1300	#endif	1353	#endif
1301		1354
1302	signals [signum - 1].pending = 1;	1355	signals [signum - 1].pending = 1;
1303	evpipe_write (EV_A_ &sig_pending);	1356	evpipe_write (EV_A_ &sig_pending);
…		…
1345	break;	1398	break;
1346	}	1399	}
1347	}	1400	}
1348	#endif	1401	#endif
1349		1402
		1403	#endif
		1404
1350	/*****************************************************************************/	1405	/*****************************************************************************/
1351		1406
		1407	#if EV_CHILD_ENABLE
1352	static WL childs [EV_PID_HASHSIZE];	1408	static WL childs [EV_PID_HASHSIZE];
1353
1354	#ifndef _WIN32
1355		1409
1356	static ev_signal childev;	1410	static ev_signal childev;
1357		1411
1358	#ifndef WIFCONTINUED	1412	#ifndef WIFCONTINUED
1359	# define WIFCONTINUED(status) 0	1413	# define WIFCONTINUED(status) 0
…		…
1364	child_reap (EV_P_ int chain, int pid, int status)	1418	child_reap (EV_P_ int chain, int pid, int status)
1365	{	1419	{
1366	ev_child *w;	1420	ev_child *w;
1367	int traced = WIFSTOPPED (status) \|\| WIFCONTINUED (status);	1421	int traced = WIFSTOPPED (status) \|\| WIFCONTINUED (status);
1368		1422
1369	for (w = (ev_child )childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child )((WL)w)->next)	1423	for (w = (ev_child )childs [chain & ((EV_PID_HASHSIZE) - 1)]; w; w = (ev_child )((WL)w)->next)
1370	{	1424	{
1371	if ((w->pid == pid \|\| !w->pid)	1425	if ((w->pid == pid \|\| !w->pid)
1372	&& (!traced \|\| (w->flags & 1)))	1426	&& (!traced \|\| (w->flags & 1)))
1373	{	1427	{
1374	ev_set_priority (w, EV_MAXPRI); /* need to do it now, this must be the same prio as the signal watcher itself */	1428	ev_set_priority (w, EV_MAXPRI); /* need to do it now, this must be the same prio as the signal watcher itself */
…		…
1399	/* make sure we are called again until all children have been reaped */	1453	/* make sure we are called again until all children have been reaped */
1400	/* we need to do it this way so that the callback gets called before we continue */	1454	/* we need to do it this way so that the callback gets called before we continue */
1401	ev_feed_event (EV_A_ (W)sw, EV_SIGNAL);	1455	ev_feed_event (EV_A_ (W)sw, EV_SIGNAL);
1402		1456
1403	child_reap (EV_A_ pid, pid, status);	1457	child_reap (EV_A_ pid, pid, status);
1404	if (EV_PID_HASHSIZE > 1)	1458	if ((EV_PID_HASHSIZE) > 1)
1405	child_reap (EV_A_ 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */	1459	child_reap (EV_A_ 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */
1406	}	1460	}
1407		1461
1408	#endif	1462	#endif
1409		1463
…		…
1476	#ifdef __APPLE__	1530	#ifdef __APPLE__
1477	/* only select works correctly on that "unix-certified" platform */	1531	/* only select works correctly on that "unix-certified" platform */
1478	flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */	1532	flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */
1479	flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */	1533	flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */
1480	#endif	1534	#endif
		1535	#ifdef __FreeBSD__
		1536	flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */
		1537	#endif
1481		1538
1482	return flags;	1539	return flags;
1483	}	1540	}
1484		1541
1485	unsigned int	1542	unsigned int
…		…
1498	ev_backend (EV_P)	1555	ev_backend (EV_P)
1499	{	1556	{
1500	return backend;	1557	return backend;
1501	}	1558	}
1502		1559
1503	#if EV_MINIMAL < 2	1560	#if EV_FEATURE_API
1504	unsigned int	1561	unsigned int
1505	ev_loop_count (EV_P)	1562	ev_iteration (EV_P)
1506	{	1563	{
1507	return loop_count;	1564	return loop_count;
1508	}	1565	}
1509		1566
1510	unsigned int	1567	unsigned int
1511	ev_loop_depth (EV_P)	1568	ev_depth (EV_P)
1512	{	1569	{
1513	return loop_depth;	1570	return loop_depth;
1514	}	1571	}
1515		1572
1516	void	1573	void
…		…
1588		1645
1589	ev_rt_now = ev_time ();	1646	ev_rt_now = ev_time ();
1590	mn_now = get_clock ();	1647	mn_now = get_clock ();
1591	now_floor = mn_now;	1648	now_floor = mn_now;
1592	rtmn_diff = ev_rt_now - mn_now;	1649	rtmn_diff = ev_rt_now - mn_now;
1593	#if EV_MINIMAL < 2	1650	#if EV_FEATURE_API
1594	invoke_cb = ev_invoke_pending;	1651	invoke_cb = ev_invoke_pending;
1595	#endif	1652	#endif
1596		1653
1597	io_blocktime = 0.;	1654	io_blocktime = 0.;
1598	timeout_blocktime = 0.;	1655	timeout_blocktime = 0.;
…		…
1604	#endif	1661	#endif
1605	#if EV_USE_INOTIFY	1662	#if EV_USE_INOTIFY
1606	fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;	1663	fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;
1607	#endif	1664	#endif
1608	#if EV_USE_SIGNALFD	1665	#if EV_USE_SIGNALFD
1609	sigfd = flags & EVFLAG_NOSIGFD ? -1 : -2;	1666	sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;
1610	#endif	1667	#endif
1611		1668
1612	if (!(flags & 0x0000ffffU))	1669	if (!(flags & 0x0000ffffU))
1613	flags \|= ev_recommended_backends ();	1670	flags \|= ev_recommended_backends ();
1614		1671
…		…
1628	if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags);	1685	if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags);
1629	#endif	1686	#endif
1630		1687
1631	ev_prepare_init (&pending_w, pendingcb);	1688	ev_prepare_init (&pending_w, pendingcb);
1632		1689
		1690	#if EV_SIGNAL_ENABLE \|\| EV_ASYNC_ENABLE
1633	ev_init (&pipe_w, pipecb);	1691	ev_init (&pipe_w, pipecb);
1634	ev_set_priority (&pipe_w, EV_MAXPRI);	1692	ev_set_priority (&pipe_w, EV_MAXPRI);
		1693	#endif
1635	}	1694	}
1636	}	1695	}
1637		1696
1638	/* free up a loop structure */	1697	/* free up a loop structure */
1639	static void noinline	1698	static void noinline
…		…
1757	{	1816	{
1758	EV_WIN32_CLOSE_FD (evpipe [0]);	1817	EV_WIN32_CLOSE_FD (evpipe [0]);
1759	EV_WIN32_CLOSE_FD (evpipe [1]);	1818	EV_WIN32_CLOSE_FD (evpipe [1]);
1760	}	1819	}
1761		1820
		1821	#if EV_SIGNAL_ENABLE \|\| EV_ASYNC_ENABLE
1762	evpipe_init (EV_A);	1822	evpipe_init (EV_A);
1763	/* now iterate over everything, in case we missed something */	1823	/* now iterate over everything, in case we missed something */
1764	pipecb (EV_A_ &pipe_w, EV_READ);	1824	pipecb (EV_A_ &pipe_w, EV_READ);
		1825	#endif
1765	}	1826	}
1766		1827
1767	postfork = 0;	1828	postfork = 0;
1768	}	1829	}
1769		1830
…		…
1831	verify_watcher (EV_A_ ws [cnt]);	1892	verify_watcher (EV_A_ ws [cnt]);
1832	}	1893	}
1833	}	1894	}
1834	#endif	1895	#endif
1835		1896
1836	#if EV_MINIMAL < 2	1897	#if EV_FEATURE_API
1837	void	1898	void
1838	ev_loop_verify (EV_P)	1899	ev_verify (EV_P)
1839	{	1900	{
1840	#if EV_VERIFY	1901	#if EV_VERIFY
1841	int i;	1902	int i;
1842	WL w;	1903	WL w;
1843		1904
…		…
1882	#if EV_ASYNC_ENABLE	1943	#if EV_ASYNC_ENABLE
1883	assert (asyncmax >= asynccnt);	1944	assert (asyncmax >= asynccnt);
1884	array_verify (EV_A_ (W *)asyncs, asynccnt);	1945	array_verify (EV_A_ (W *)asyncs, asynccnt);
1885	#endif	1946	#endif
1886		1947
		1948	#if EV_PREPARE_ENABLE
1887	assert (preparemax >= preparecnt);	1949	assert (preparemax >= preparecnt);
1888	array_verify (EV_A_ (W *)prepares, preparecnt);	1950	array_verify (EV_A_ (W *)prepares, preparecnt);
		1951	#endif
1889		1952
		1953	#if EV_CHECK_ENABLE
1890	assert (checkmax >= checkcnt);	1954	assert (checkmax >= checkcnt);
1891	array_verify (EV_A_ (W *)checks, checkcnt);	1955	array_verify (EV_A_ (W *)checks, checkcnt);
		1956	#endif
1892		1957
1893	# if 0	1958	# if 0
		1959	#if EV_CHILD_ENABLE
1894	for (w = (ev_child )childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child )((WL)w)->next)	1960	for (w = (ev_child )childs [chain & ((EV_PID_HASHSIZE) - 1)]; w; w = (ev_child )((WL)w)->next)
1895	for (signum = EV_NSIG; signum--; ) if (signals [signum].pending)	1961	for (signum = EV_NSIG; signum--; ) if (signals [signum].pending)
		1962	#endif
1896	# endif	1963	# endif
1897	#endif	1964	#endif
1898	}	1965	}
1899	#endif	1966	#endif
1900		1967
…		…
1916		1983
1917	loop_init (EV_A_ flags);	1984	loop_init (EV_A_ flags);
1918		1985
1919	if (ev_backend (EV_A))	1986	if (ev_backend (EV_A))
1920	{	1987	{
1921	#ifndef _WIN32	1988	#if EV_CHILD_ENABLE
1922	ev_signal_init (&childev, childcb, SIGCHLD);	1989	ev_signal_init (&childev, childcb, SIGCHLD);
1923	ev_set_priority (&childev, EV_MAXPRI);	1990	ev_set_priority (&childev, EV_MAXPRI);
1924	ev_signal_start (EV_A_ &childev);	1991	ev_signal_start (EV_A_ &childev);
1925	ev_unref (EV_A); /* child watcher should not keep loop alive */	1992	ev_unref (EV_A); /* child watcher should not keep loop alive */
1926	#endif	1993	#endif
…		…
1939	EV_P = ev_default_loop_ptr;	2006	EV_P = ev_default_loop_ptr;
1940	#endif	2007	#endif
1941		2008
1942	ev_default_loop_ptr = 0;	2009	ev_default_loop_ptr = 0;
1943		2010
1944	#ifndef _WIN32	2011	#if EV_CHILD_ENABLE
1945	ev_ref (EV_A); /* child watcher */	2012	ev_ref (EV_A); /* child watcher */
1946	ev_signal_stop (EV_A_ &childev);	2013	ev_signal_stop (EV_A_ &childev);
1947	#endif	2014	#endif
1948		2015
1949	loop_destroy (EV_A);	2016	loop_destroy (EV_A);
…		…
2055	EV_FREQUENT_CHECK;	2122	EV_FREQUENT_CHECK;
2056	feed_reverse (EV_A_ (W)w);	2123	feed_reverse (EV_A_ (W)w);
2057	}	2124	}
2058	while (timercnt && ANHE_at (timers [HEAP0]) < mn_now);	2125	while (timercnt && ANHE_at (timers [HEAP0]) < mn_now);
2059		2126
2060	feed_reverse_done (EV_A_ EV_TIMEOUT);	2127	feed_reverse_done (EV_A_ EV_TIMER);
2061	}	2128	}
2062	}	2129	}
2063		2130
2064	#if EV_PERIODIC_ENABLE	2131	#if EV_PERIODIC_ENABLE
2065	/* make periodics pending */	2132	/* make periodics pending */
…		…
2118	feed_reverse_done (EV_A_ EV_PERIODIC);	2185	feed_reverse_done (EV_A_ EV_PERIODIC);
2119	}	2186	}
2120	}	2187	}
2121		2188
2122	/* simply recalculate all periodics */	2189	/* simply recalculate all periodics */
2123	/* TODO: maybe ensure that at leats one event happens when jumping forward? */	2190	/* TODO: maybe ensure that at least one event happens when jumping forward? */
2124	static void noinline	2191	static void noinline
2125	periodics_reschedule (EV_P)	2192	periodics_reschedule (EV_P)
2126	{	2193	{
2127	int i;	2194	int i;
2128		2195
…		…
2156	ANHE_at_cache (*he);	2223	ANHE_at_cache (*he);
2157	}	2224	}
2158	}	2225	}
2159		2226
2160	/* fetch new monotonic and realtime times from the kernel */	2227	/* fetch new monotonic and realtime times from the kernel */
2161	/* also detetc if there was a timejump, and act accordingly */	2228	/* also detect if there was a timejump, and act accordingly */
2162	inline_speed void	2229	inline_speed void
2163	time_update (EV_P_ ev_tstamp max_block)	2230	time_update (EV_P_ ev_tstamp max_block)
2164	{	2231	{
2165	#if EV_USE_MONOTONIC	2232	#if EV_USE_MONOTONIC
2166	if (expect_true (have_monotonic))	2233	if (expect_true (have_monotonic))
…		…
2226	}	2293	}
2227		2294
2228	void	2295	void
2229	ev_loop (EV_P_ int flags)	2296	ev_loop (EV_P_ int flags)
2230	{	2297	{
2231	#if EV_MINIMAL < 2	2298	#if EV_FEATURE_API
2232	++loop_depth;	2299	++loop_depth;
2233	#endif	2300	#endif
2234		2301
2235	assert (("libev: ev_loop recursion during release detected", loop_done != EVUNLOOP_RECURSE));	2302	assert (("libev: ev_loop recursion during release detected", loop_done != EVUNLOOP_RECURSE));
2236		2303
…		…
2239	EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */	2306	EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */
2240		2307
2241	do	2308	do
2242	{	2309	{
2243	#if EV_VERIFY >= 2	2310	#if EV_VERIFY >= 2
2244	ev_loop_verify (EV_A);	2311	ev_verify (EV_A);
2245	#endif	2312	#endif
2246		2313
2247	#ifndef _WIN32	2314	#ifndef _WIN32
2248	if (expect_false (curpid)) /* penalise the forking check even more */	2315	if (expect_false (curpid)) /* penalise the forking check even more */
2249	if (expect_false (getpid () != curpid))	2316	if (expect_false (getpid () != curpid))
…		…
2261	queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);	2328	queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);
2262	EV_INVOKE_PENDING;	2329	EV_INVOKE_PENDING;
2263	}	2330	}
2264	#endif	2331	#endif
2265		2332
		2333	#if EV_PREPARE_ENABLE
2266	/* queue prepare watchers (and execute them) */	2334	/* queue prepare watchers (and execute them) */
2267	if (expect_false (preparecnt))	2335	if (expect_false (preparecnt))
2268	{	2336	{
2269	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);	2337	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
2270	EV_INVOKE_PENDING;	2338	EV_INVOKE_PENDING;
2271	}	2339	}
		2340	#endif
2272		2341
2273	if (expect_false (loop_done))	2342	if (expect_false (loop_done))
2274	break;	2343	break;
2275		2344
2276	/* we might have forked, so reify kernel state if necessary */	2345	/* we might have forked, so reify kernel state if necessary */
…		…
2327	waittime -= sleeptime;	2396	waittime -= sleeptime;
2328	}	2397	}
2329	}	2398	}
2330	}	2399	}
2331		2400
2332	#if EV_MINIMAL < 2	2401	#if EV_FEATURE_API
2333	++loop_count;	2402	++loop_count;
2334	#endif	2403	#endif
2335	assert ((loop_done = EVUNLOOP_RECURSE, 1)); /* assert for side effect */	2404	assert ((loop_done = EVUNLOOP_RECURSE, 1)); /* assert for side effect */
2336	backend_poll (EV_A_ waittime);	2405	backend_poll (EV_A_ waittime);
2337	assert ((loop_done = EVUNLOOP_CANCEL, 1)); /* assert for side effect */	2406	assert ((loop_done = EVUNLOOP_CANCEL, 1)); /* assert for side effect */
…		…
2349	#if EV_IDLE_ENABLE	2418	#if EV_IDLE_ENABLE
2350	/* queue idle watchers unless other events are pending */	2419	/* queue idle watchers unless other events are pending */
2351	idle_reify (EV_A);	2420	idle_reify (EV_A);
2352	#endif	2421	#endif
2353		2422
		2423	#if EV_CHECK_ENABLE
2354	/* queue check watchers, to be executed first */	2424	/* queue check watchers, to be executed first */
2355	if (expect_false (checkcnt))	2425	if (expect_false (checkcnt))
2356	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);	2426	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
		2427	#endif
2357		2428
2358	EV_INVOKE_PENDING;	2429	EV_INVOKE_PENDING;
2359	}	2430	}
2360	while (expect_true (	2431	while (expect_true (
2361	activecnt	2432	activecnt
…		…
2364	));	2435	));
2365		2436
2366	if (loop_done == EVUNLOOP_ONE)	2437	if (loop_done == EVUNLOOP_ONE)
2367	loop_done = EVUNLOOP_CANCEL;	2438	loop_done = EVUNLOOP_CANCEL;
2368		2439
2369	#if EV_MINIMAL < 2	2440	#if EV_FEATURE_API
2370	--loop_depth;	2441	--loop_depth;
2371	#endif	2442	#endif
2372	}	2443	}
2373		2444
2374	void	2445	void
…		…
2500		2571
2501	if (expect_false (ev_is_active (w)))	2572	if (expect_false (ev_is_active (w)))
2502	return;	2573	return;
2503		2574
2504	assert (("libev: ev_io_start called with negative fd", fd >= 0));	2575	assert (("libev: ev_io_start called with negative fd", fd >= 0));
2505	assert (("libev: ev_io start called with illegal event mask", !(w->events & ~(EV__IOFDSET \| EV_READ \| EV_WRITE))));	2576	assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET \| EV_READ \| EV_WRITE))));
2506		2577
2507	EV_FREQUENT_CHECK;	2578	EV_FREQUENT_CHECK;
2508		2579
2509	ev_start (EV_A_ (W)w, 1);	2580	ev_start (EV_A_ (W)w, 1);
2510	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);	2581	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);
…		…
2580	timers [active] = timers [timercnt + HEAP0];	2651	timers [active] = timers [timercnt + HEAP0];
2581	adjustheap (timers, timercnt, active);	2652	adjustheap (timers, timercnt, active);
2582	}	2653	}
2583	}	2654	}
2584		2655
2585	EV_FREQUENT_CHECK;
2586
2587	ev_at (w) -= mn_now;	2656	ev_at (w) -= mn_now;
2588		2657
2589	ev_stop (EV_A_ (W)w);	2658	ev_stop (EV_A_ (W)w);
		2659
		2660	EV_FREQUENT_CHECK;
2590	}	2661	}
2591		2662
2592	void noinline	2663	void noinline
2593	ev_timer_again (EV_P_ ev_timer *w)	2664	ev_timer_again (EV_P_ ev_timer *w)
2594	{	2665	{
…		…
2673	periodics [active] = periodics [periodiccnt + HEAP0];	2744	periodics [active] = periodics [periodiccnt + HEAP0];
2674	adjustheap (periodics, periodiccnt, active);	2745	adjustheap (periodics, periodiccnt, active);
2675	}	2746	}
2676	}	2747	}
2677		2748
2678	EV_FREQUENT_CHECK;
2679
2680	ev_stop (EV_A_ (W)w);	2749	ev_stop (EV_A_ (W)w);
		2750
		2751	EV_FREQUENT_CHECK;
2681	}	2752	}
2682		2753
2683	void noinline	2754	void noinline
2684	ev_periodic_again (EV_P_ ev_periodic *w)	2755	ev_periodic_again (EV_P_ ev_periodic *w)
2685	{	2756	{
…		…
2690	#endif	2761	#endif
2691		2762
2692	#ifndef SA_RESTART	2763	#ifndef SA_RESTART
2693	# define SA_RESTART 0	2764	# define SA_RESTART 0
2694	#endif	2765	#endif
		2766
		2767	#if EV_SIGNAL_ENABLE
2695		2768
2696	void noinline	2769	void noinline
2697	ev_signal_start (EV_P_ ev_signal *w)	2770	ev_signal_start (EV_P_ ev_signal *w)
2698	{	2771	{
2699	if (expect_false (ev_is_active (w)))	2772	if (expect_false (ev_is_active (w)))
…		…
2746	if (!((WL)w)->next)	2819	if (!((WL)w)->next)
2747	# if EV_USE_SIGNALFD	2820	# if EV_USE_SIGNALFD
2748	if (sigfd < 0) /TODO/	2821	if (sigfd < 0) /TODO/
2749	# endif	2822	# endif
2750	{	2823	{
2751	# if _WIN32	2824	# ifdef _WIN32
2752	evpipe_init (EV_A);	2825	evpipe_init (EV_A);
2753		2826
2754	signal (w->signum, ev_sighandler);	2827	signal (w->signum, ev_sighandler);
2755	# else	2828	# else
2756	struct sigaction sa;	2829	struct sigaction sa;
…		…
2789	signals [w->signum - 1].loop = 0; /* unattach from signal */	2862	signals [w->signum - 1].loop = 0; /* unattach from signal */
2790	#endif	2863	#endif
2791	#if EV_USE_SIGNALFD	2864	#if EV_USE_SIGNALFD
2792	if (sigfd >= 0)	2865	if (sigfd >= 0)
2793	{	2866	{
2794	sigprocmask (SIG_UNBLOCK, &sigfd_set, 0);//D	2867	sigset_t ss;
		2868
		2869	sigemptyset (&ss);
		2870	sigaddset (&ss, w->signum);
2795	sigdelset (&sigfd_set, w->signum);	2871	sigdelset (&sigfd_set, w->signum);
		2872
2796	signalfd (sigfd, &sigfd_set, 0);	2873	signalfd (sigfd, &sigfd_set, 0);
2797	sigprocmask (SIG_BLOCK, &sigfd_set, 0);//D	2874	sigprocmask (SIG_UNBLOCK, &ss, 0);
2798	/TODO: maybe unblock signal? /
2799	}	2875	}
2800	else	2876	else
2801	#endif	2877	#endif
2802	signal (w->signum, SIG_DFL);	2878	signal (w->signum, SIG_DFL);
2803	}	2879	}
2804		2880
2805	EV_FREQUENT_CHECK;	2881	EV_FREQUENT_CHECK;
2806	}	2882	}
2807		2883
		2884	#endif
		2885
		2886	#if EV_CHILD_ENABLE
		2887
2808	void	2888	void
2809	ev_child_start (EV_P_ ev_child *w)	2889	ev_child_start (EV_P_ ev_child *w)
2810	{	2890	{
2811	#if EV_MULTIPLICITY	2891	#if EV_MULTIPLICITY
2812	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));	2892	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
…		…
2815	return;	2895	return;
2816		2896
2817	EV_FREQUENT_CHECK;	2897	EV_FREQUENT_CHECK;
2818		2898
2819	ev_start (EV_A_ (W)w, 1);	2899	ev_start (EV_A_ (W)w, 1);
2820	wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);	2900	wlist_add (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w);
2821		2901
2822	EV_FREQUENT_CHECK;	2902	EV_FREQUENT_CHECK;
2823	}	2903	}
2824		2904
2825	void	2905	void
…		…
2829	if (expect_false (!ev_is_active (w)))	2909	if (expect_false (!ev_is_active (w)))
2830	return;	2910	return;
2831		2911
2832	EV_FREQUENT_CHECK;	2912	EV_FREQUENT_CHECK;
2833		2913
2834	wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);	2914	wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w);
2835	ev_stop (EV_A_ (W)w);	2915	ev_stop (EV_A_ (W)w);
2836		2916
2837	EV_FREQUENT_CHECK;	2917	EV_FREQUENT_CHECK;
2838	}	2918	}
		2919
		2920	#endif
2839		2921
2840	#if EV_STAT_ENABLE	2922	#if EV_STAT_ENABLE
2841		2923
2842	# ifdef _WIN32	2924	# ifdef _WIN32
2843	# undef lstat	2925	# undef lstat
…		…
2849	#define MIN_STAT_INTERVAL 0.1074891	2931	#define MIN_STAT_INTERVAL 0.1074891
2850		2932
2851	static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents);	2933	static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents);
2852		2934
2853	#if EV_USE_INOTIFY	2935	#if EV_USE_INOTIFY
2854	# define EV_INOTIFY_BUFSIZE 8192	2936
		2937	/* the * 2 is to allow for alignment padding, which for some reason is >> 8 */
		2938	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)
2855		2939
2856	static void noinline	2940	static void noinline
2857	infy_add (EV_P_ ev_stat *w)	2941	infy_add (EV_P_ ev_stat *w)
2858	{	2942	{
2859	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);	2943	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);
…		…
2908	while (w->wd < 0 && (errno == ENOENT \|\| errno == EACCES));	2992	while (w->wd < 0 && (errno == ENOENT \|\| errno == EACCES));
2909	}	2993	}
2910	}	2994	}
2911		2995
2912	if (w->wd >= 0)	2996	if (w->wd >= 0)
2913	wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w);	2997	wlist_add (&fs_hash [w->wd & ((EV_INOTIFY_HASHSIZE) - 1)].head, (WL)w);
2914		2998
2915	/* now re-arm timer, if required */	2999	/* now re-arm timer, if required */
2916	if (ev_is_active (&w->timer)) ev_ref (EV_A);	3000	if (ev_is_active (&w->timer)) ev_ref (EV_A);
2917	ev_timer_again (EV_A_ &w->timer);	3001	ev_timer_again (EV_A_ &w->timer);
2918	if (ev_is_active (&w->timer)) ev_unref (EV_A);	3002	if (ev_is_active (&w->timer)) ev_unref (EV_A);
…		…
2926		3010
2927	if (wd < 0)	3011	if (wd < 0)
2928	return;	3012	return;
2929		3013
2930	w->wd = -2;	3014	w->wd = -2;
2931	slot = wd & (EV_INOTIFY_HASHSIZE - 1);	3015	slot = wd & ((EV_INOTIFY_HASHSIZE) - 1);
2932	wlist_del (&fs_hash [slot].head, (WL)w);	3016	wlist_del (&fs_hash [slot].head, (WL)w);
2933		3017
2934	/* remove this watcher, if others are watching it, they will rearm */	3018	/* remove this watcher, if others are watching it, they will rearm */
2935	inotify_rm_watch (fs_fd, wd);	3019	inotify_rm_watch (fs_fd, wd);
2936	}	3020	}
…		…
2938	static void noinline	3022	static void noinline
2939	infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)	3023	infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)
2940	{	3024	{
2941	if (slot < 0)	3025	if (slot < 0)
2942	/* overflow, need to check for all hash slots */	3026	/* overflow, need to check for all hash slots */
2943	for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot)	3027	for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)
2944	infy_wd (EV_A_ slot, wd, ev);	3028	infy_wd (EV_A_ slot, wd, ev);
2945	else	3029	else
2946	{	3030	{
2947	WL w_;	3031	WL w_;
2948		3032
2949	for (w_ = fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head; w_; )	3033	for (w_ = fs_hash [slot & ((EV_INOTIFY_HASHSIZE) - 1)].head; w_; )
2950	{	3034	{
2951	ev_stat w = (ev_stat )w_;	3035	ev_stat w = (ev_stat )w_;
2952	w_ = w_->next; /* lets us remove this watcher and all before it */	3036	w_ = w_->next; /* lets us remove this watcher and all before it */
2953		3037
2954	if (w->wd == wd \|\| wd == -1)	3038	if (w->wd == wd \|\| wd == -1)
2955	{	3039	{
2956	if (ev->mask & (IN_IGNORED \| IN_UNMOUNT \| IN_DELETE_SELF))	3040	if (ev->mask & (IN_IGNORED \| IN_UNMOUNT \| IN_DELETE_SELF))
2957	{	3041	{
2958	wlist_del (&fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w);	3042	wlist_del (&fs_hash [slot & ((EV_INOTIFY_HASHSIZE) - 1)].head, (WL)w);
2959	w->wd = -1;	3043	w->wd = -1;
2960	infy_add (EV_A_ w); /* re-add, no matter what */	3044	infy_add (EV_A_ w); /* re-add, no matter what */
2961	}	3045	}
2962		3046
2963	stat_timer_cb (EV_A_ &w->timer, 0);	3047	stat_timer_cb (EV_A_ &w->timer, 0);
…		…
2968		3052
2969	static void	3053	static void
2970	infy_cb (EV_P_ ev_io *w, int revents)	3054	infy_cb (EV_P_ ev_io *w, int revents)
2971	{	3055	{
2972	char buf [EV_INOTIFY_BUFSIZE];	3056	char buf [EV_INOTIFY_BUFSIZE];
2973	struct inotify_event ev = (struct inotify_event )buf;
2974	int ofs;	3057	int ofs;
2975	int len = read (fs_fd, buf, sizeof (buf));	3058	int len = read (fs_fd, buf, sizeof (buf));
2976		3059
2977	for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len)	3060	for (ofs = 0; ofs < len; )
		3061	{
		3062	struct inotify_event ev = (struct inotify_event )(buf + ofs);
2978	infy_wd (EV_A_ ev->wd, ev->wd, ev);	3063	infy_wd (EV_A_ ev->wd, ev->wd, ev);
		3064	ofs += sizeof (struct inotify_event) + ev->len;
		3065	}
		3066	}
		3067
		3068	inline_size unsigned int
		3069	ev_linux_version (void)
		3070	{
		3071	struct utsname buf;
		3072	unsigned int v;
		3073	int i;
		3074	char *p = buf.release;
		3075
		3076	if (uname (&buf))
		3077	return 0;
		3078
		3079	for (i = 3+1; --i; )
		3080	{
		3081	unsigned int c = 0;
		3082
		3083	for (;;)
		3084	{
		3085	if (p >= '0' && p <= '9')
		3086	c = c * 10 + *p++ - '0';
		3087	else
		3088	{
		3089	p += *p == '.';
		3090	break;
		3091	}
		3092	}
		3093
		3094	v = (v << 8) \| c;
		3095	}
		3096
		3097	return v;
2979	}	3098	}
2980		3099
2981	inline_size void	3100	inline_size void
2982	check_2625 (EV_P)	3101	ev_check_2625 (EV_P)
2983	{	3102	{
2984	/* kernels < 2.6.25 are borked	3103	/* kernels < 2.6.25 are borked
2985	* http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html	3104	* http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html
2986	*/	3105	*/
2987	struct utsname buf;	3106	if (ev_linux_version () < 0x020619)
2988	int major, minor, micro;
2989
2990	if (uname (&buf))
2991	return;
2992
2993	if (sscanf (buf.release, "%d.%d.%d", &major, &minor, &micro) != 3)
2994	return;
2995
2996	if (major < 2
2997	\|\| (major == 2 && minor < 6)
2998	\|\| (major == 2 && minor == 6 && micro < 25))
2999	return;	3107	return;
3000		3108
3001	fs_2625 = 1;	3109	fs_2625 = 1;
3002	}	3110	}
3003		3111
…		…
3018	if (fs_fd != -2)	3126	if (fs_fd != -2)
3019	return;	3127	return;
3020		3128
3021	fs_fd = -1;	3129	fs_fd = -1;
3022		3130
3023	check_2625 (EV_A);	3131	ev_check_2625 (EV_A);
3024		3132
3025	fs_fd = infy_newfd ();	3133	fs_fd = infy_newfd ();
3026		3134
3027	if (fs_fd >= 0)	3135	if (fs_fd >= 0)
3028	{	3136	{
…		…
3053	ev_io_set (&fs_w, fs_fd, EV_READ);	3161	ev_io_set (&fs_w, fs_fd, EV_READ);
3054	ev_io_start (EV_A_ &fs_w);	3162	ev_io_start (EV_A_ &fs_w);
3055	ev_unref (EV_A);	3163	ev_unref (EV_A);
3056	}	3164	}
3057		3165
3058	for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot)	3166	for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)
3059	{	3167	{
3060	WL w_ = fs_hash [slot].head;	3168	WL w_ = fs_hash [slot].head;
3061	fs_hash [slot].head = 0;	3169	fs_hash [slot].head = 0;
3062		3170
3063	while (w_)	3171	while (w_)
…		…
3100	static void noinline	3208	static void noinline
3101	stat_timer_cb (EV_P_ ev_timer *w_, int revents)	3209	stat_timer_cb (EV_P_ ev_timer *w_, int revents)
3102	{	3210	{
3103	ev_stat w = (ev_stat )(((char *)w_) - offsetof (ev_stat, timer));	3211	ev_stat w = (ev_stat )(((char *)w_) - offsetof (ev_stat, timer));
3104		3212
3105	/* we copy this here each the time so that */	3213	ev_statdata prev = w->attr;
3106	/* prev has the old value when the callback gets invoked */
3107	w->prev = w->attr;
3108	ev_stat_stat (EV_A_ w);	3214	ev_stat_stat (EV_A_ w);
3109		3215
3110	/* memcmp doesn't work on netbsd, they.... do stuff to their struct stat */	3216	/* memcmp doesn't work on netbsd, they.... do stuff to their struct stat */
3111	if (	3217	if (
3112	w->prev.st_dev != w->attr.st_dev	3218	prev.st_dev != w->attr.st_dev
3113	\|\| w->prev.st_ino != w->attr.st_ino	3219	\|\| prev.st_ino != w->attr.st_ino
3114	\|\| w->prev.st_mode != w->attr.st_mode	3220	\|\| prev.st_mode != w->attr.st_mode
3115	\|\| w->prev.st_nlink != w->attr.st_nlink	3221	\|\| prev.st_nlink != w->attr.st_nlink
3116	\|\| w->prev.st_uid != w->attr.st_uid	3222	\|\| prev.st_uid != w->attr.st_uid
3117	\|\| w->prev.st_gid != w->attr.st_gid	3223	\|\| prev.st_gid != w->attr.st_gid
3118	\|\| w->prev.st_rdev != w->attr.st_rdev	3224	\|\| prev.st_rdev != w->attr.st_rdev
3119	\|\| w->prev.st_size != w->attr.st_size	3225	\|\| prev.st_size != w->attr.st_size
3120	\|\| w->prev.st_atime != w->attr.st_atime	3226	\|\| prev.st_atime != w->attr.st_atime
3121	\|\| w->prev.st_mtime != w->attr.st_mtime	3227	\|\| prev.st_mtime != w->attr.st_mtime
3122	\|\| w->prev.st_ctime != w->attr.st_ctime	3228	\|\| prev.st_ctime != w->attr.st_ctime
3123	) {	3229	) {
		3230	/* we only update w->prev on actual differences */
		3231	/* in case we test more often than invoke the callback, */
		3232	/* to ensure that prev is always different to attr */
		3233	w->prev = prev;
		3234
3124	#if EV_USE_INOTIFY	3235	#if EV_USE_INOTIFY
3125	if (fs_fd >= 0)	3236	if (fs_fd >= 0)
3126	{	3237	{
3127	infy_del (EV_A_ w);	3238	infy_del (EV_A_ w);
3128	infy_add (EV_A_ w);	3239	infy_add (EV_A_ w);
…		…
3235		3346
3236	EV_FREQUENT_CHECK;	3347	EV_FREQUENT_CHECK;
3237	}	3348	}
3238	#endif	3349	#endif
3239		3350
		3351	#if EV_PREPARE_ENABLE
3240	void	3352	void
3241	ev_prepare_start (EV_P_ ev_prepare *w)	3353	ev_prepare_start (EV_P_ ev_prepare *w)
3242	{	3354	{
3243	if (expect_false (ev_is_active (w)))	3355	if (expect_false (ev_is_active (w)))
3244	return;	3356	return;
…		…
3270		3382
3271	ev_stop (EV_A_ (W)w);	3383	ev_stop (EV_A_ (W)w);
3272		3384
3273	EV_FREQUENT_CHECK;	3385	EV_FREQUENT_CHECK;
3274	}	3386	}
		3387	#endif
3275		3388
		3389	#if EV_CHECK_ENABLE
3276	void	3390	void
3277	ev_check_start (EV_P_ ev_check *w)	3391	ev_check_start (EV_P_ ev_check *w)
3278	{	3392	{
3279	if (expect_false (ev_is_active (w)))	3393	if (expect_false (ev_is_active (w)))
3280	return;	3394	return;
…		…
3306		3420
3307	ev_stop (EV_A_ (W)w);	3421	ev_stop (EV_A_ (W)w);
3308		3422
3309	EV_FREQUENT_CHECK;	3423	EV_FREQUENT_CHECK;
3310	}	3424	}
		3425	#endif
3311		3426
3312	#if EV_EMBED_ENABLE	3427	#if EV_EMBED_ENABLE
3313	void noinline	3428	void noinline
3314	ev_embed_sweep (EV_P_ ev_embed *w)	3429	ev_embed_sweep (EV_P_ ev_embed *w)
3315	{	3430	{
…		…
3410		3525
3411	ev_io_stop (EV_A_ &w->io);	3526	ev_io_stop (EV_A_ &w->io);
3412	ev_prepare_stop (EV_A_ &w->prepare);	3527	ev_prepare_stop (EV_A_ &w->prepare);
3413	ev_fork_stop (EV_A_ &w->fork);	3528	ev_fork_stop (EV_A_ &w->fork);
3414		3529
		3530	ev_stop (EV_A_ (W)w);
		3531
3415	EV_FREQUENT_CHECK;	3532	EV_FREQUENT_CHECK;
3416	}	3533	}
3417	#endif	3534	#endif
3418		3535
3419	#if EV_FORK_ENABLE	3536	#if EV_FORK_ENABLE
…		…
3545	{	3662	{
3546	struct ev_once once = (struct ev_once )ev_malloc (sizeof (struct ev_once));	3663	struct ev_once once = (struct ev_once )ev_malloc (sizeof (struct ev_once));
3547		3664
3548	if (expect_false (!once))	3665	if (expect_false (!once))
3549	{	3666	{
3550	cb (EV_ERROR \| EV_READ \| EV_WRITE \| EV_TIMEOUT, arg);	3667	cb (EV_ERROR \| EV_READ \| EV_WRITE \| EV_TIMER, arg);
3551	return;	3668	return;
3552	}	3669	}
3553		3670
3554	once->cb = cb;	3671	once->cb = cb;
3555	once->arg = arg;	3672	once->arg = arg;
…		…
3642	if (types & EV_ASYNC)	3759	if (types & EV_ASYNC)
3643	for (i = asynccnt; i--; )	3760	for (i = asynccnt; i--; )
3644	cb (EV_A_ EV_ASYNC, asyncs [i]);	3761	cb (EV_A_ EV_ASYNC, asyncs [i]);
3645	#endif	3762	#endif
3646		3763
		3764	#if EV_PREPARE_ENABLE
3647	if (types & EV_PREPARE)	3765	if (types & EV_PREPARE)
3648	for (i = preparecnt; i--; )	3766	for (i = preparecnt; i--; )
3649	#if EV_EMBED_ENABLE	3767	# if EV_EMBED_ENABLE
3650	if (ev_cb (prepares [i]) != embed_prepare_cb)	3768	if (ev_cb (prepares [i]) != embed_prepare_cb)
3651	#endif	3769	# endif
3652	cb (EV_A_ EV_PREPARE, prepares [i]);	3770	cb (EV_A_ EV_PREPARE, prepares [i]);
		3771	#endif
3653		3772
		3773	#if EV_CHECK_ENABLE
3654	if (types & EV_CHECK)	3774	if (types & EV_CHECK)
3655	for (i = checkcnt; i--; )	3775	for (i = checkcnt; i--; )
3656	cb (EV_A_ EV_CHECK, checks [i]);	3776	cb (EV_A_ EV_CHECK, checks [i]);
		3777	#endif
3657		3778
		3779	#if EV_SIGNAL_ENABLE
3658	if (types & EV_SIGNAL)	3780	if (types & EV_SIGNAL)
3659	for (i = 0; i < EV_NSIG - 1; ++i)	3781	for (i = 0; i < EV_NSIG - 1; ++i)
3660	for (wl = signals [i].head; wl; )	3782	for (wl = signals [i].head; wl; )
3661	{	3783	{
3662	wn = wl->next;	3784	wn = wl->next;
3663	cb (EV_A_ EV_SIGNAL, wl);	3785	cb (EV_A_ EV_SIGNAL, wl);
3664	wl = wn;	3786	wl = wn;
3665	}	3787	}
		3788	#endif
3666		3789
		3790	#if EV_CHILD_ENABLE
3667	if (types & EV_CHILD)	3791	if (types & EV_CHILD)
3668	for (i = EV_PID_HASHSIZE; i--; )	3792	for (i = (EV_PID_HASHSIZE); i--; )
3669	for (wl = childs [i]; wl; )	3793	for (wl = childs [i]; wl; )
3670	{	3794	{
3671	wn = wl->next;	3795	wn = wl->next;
3672	cb (EV_A_ EV_CHILD, wl);	3796	cb (EV_A_ EV_CHILD, wl);
3673	wl = wn;	3797	wl = wn;
3674	}	3798	}
		3799	#endif
3675	/* EV_STAT 0x00001000 /* stat data changed */	3800	/* EV_STAT 0x00001000 /* stat data changed */
3676	/* EV_EMBED 0x00010000 /* embedded event loop needs sweep */	3801	/* EV_EMBED 0x00010000 /* embedded event loop needs sweep */
3677	}	3802	}
3678	#endif	3803	#endif
3679		3804

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Comparing libev/ev.c (file contents): Revision 1.318 by root, Tue Nov 17 00:22:28 2009 UTC vs. Revision 1.346 by root, Thu Oct 14 05:07:04 2010 UTC

Diff Legend

Comparing libev/ev.c (file contents):
Revision 1.318 by root, Tue Nov 17 00:22:28 2009 UTC vs.
Revision 1.346 by root, Thu Oct 14 05:07:04 2010 UTC