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

Comparing libev/ev.c (file contents):
Revision 1.316 by root, Fri Sep 18 21:02:12 2009 UTC vs.
Revision 1.345 by sf-exg, Sat Jul 31 22:33:26 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
1239	write (evpipe [1], &old_errno, 1);	1286	write (evpipe [1], &dummy, 1);
1240		1287
1241	errno = old_errno;	1288	errno = old_errno;
1242	}	1289	}
1243	}	1290	}
1244		1291
…		…
1293	{	1340	{
1294	#if EV_MULTIPLICITY	1341	#if EV_MULTIPLICITY
1295	EV_P = signals [signum - 1].loop;	1342	EV_P = signals [signum - 1].loop;
1296	#endif	1343	#endif
1297		1344
1298	#if _WIN32	1345	#ifdef _WIN32
1299	signal (signum, ev_sighandler);	1346	signal (signum, ev_sighandler);
1300	#endif	1347	#endif
1301		1348
1302	signals [signum - 1].pending = 1;	1349	signals [signum - 1].pending = 1;
1303	evpipe_write (EV_A_ &sig_pending);	1350	evpipe_write (EV_A_ &sig_pending);
…		…
1345	break;	1392	break;
1346	}	1393	}
1347	}	1394	}
1348	#endif	1395	#endif
1349		1396
		1397	#endif
		1398
1350	/*****************************************************************************/	1399	/*****************************************************************************/
1351		1400
		1401	#if EV_CHILD_ENABLE
1352	static WL childs [EV_PID_HASHSIZE];	1402	static WL childs [EV_PID_HASHSIZE];
1353
1354	#ifndef _WIN32
1355		1403
1356	static ev_signal childev;	1404	static ev_signal childev;
1357		1405
1358	#ifndef WIFCONTINUED	1406	#ifndef WIFCONTINUED
1359	# define WIFCONTINUED(status) 0	1407	# define WIFCONTINUED(status) 0
…		…
1364	child_reap (EV_P_ int chain, int pid, int status)	1412	child_reap (EV_P_ int chain, int pid, int status)
1365	{	1413	{
1366	ev_child *w;	1414	ev_child *w;
1367	int traced = WIFSTOPPED (status) \|\| WIFCONTINUED (status);	1415	int traced = WIFSTOPPED (status) \|\| WIFCONTINUED (status);
1368		1416
1369	for (w = (ev_child )childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child )((WL)w)->next)	1417	for (w = (ev_child )childs [chain & ((EV_PID_HASHSIZE) - 1)]; w; w = (ev_child )((WL)w)->next)
1370	{	1418	{
1371	if ((w->pid == pid \|\| !w->pid)	1419	if ((w->pid == pid \|\| !w->pid)
1372	&& (!traced \|\| (w->flags & 1)))	1420	&& (!traced \|\| (w->flags & 1)))
1373	{	1421	{
1374	ev_set_priority (w, EV_MAXPRI); /* need to do it now, this must be the same prio as the signal watcher itself */	1422	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 */	1447	/* 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 */	1448	/* 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);	1449	ev_feed_event (EV_A_ (W)sw, EV_SIGNAL);
1402		1450
1403	child_reap (EV_A_ pid, pid, status);	1451	child_reap (EV_A_ pid, pid, status);
1404	if (EV_PID_HASHSIZE > 1)	1452	if ((EV_PID_HASHSIZE) > 1)
1405	child_reap (EV_A_ 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */	1453	child_reap (EV_A_ 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */
1406	}	1454	}
1407		1455
1408	#endif	1456	#endif
1409		1457
…		…
1476	#ifdef __APPLE__	1524	#ifdef __APPLE__
1477	/* only select works correctly on that "unix-certified" platform */	1525	/* only select works correctly on that "unix-certified" platform */
1478	flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */	1526	flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */
1479	flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */	1527	flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */
1480	#endif	1528	#endif
		1529	#ifdef __FreeBSD__
		1530	flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */
		1531	#endif
1481		1532
1482	return flags;	1533	return flags;
1483	}	1534	}
1484		1535
1485	unsigned int	1536	unsigned int
…		…
1498	ev_backend (EV_P)	1549	ev_backend (EV_P)
1499	{	1550	{
1500	return backend;	1551	return backend;
1501	}	1552	}
1502		1553
1503	#if EV_MINIMAL < 2	1554	#if EV_FEATURE_API
1504	unsigned int	1555	unsigned int
1505	ev_loop_count (EV_P)	1556	ev_iteration (EV_P)
1506	{	1557	{
1507	return loop_count;	1558	return loop_count;
1508	}	1559	}
1509		1560
1510	unsigned int	1561	unsigned int
1511	ev_loop_depth (EV_P)	1562	ev_depth (EV_P)
1512	{	1563	{
1513	return loop_depth;	1564	return loop_depth;
1514	}	1565	}
1515		1566
1516	void	1567	void
…		…
1588		1639
1589	ev_rt_now = ev_time ();	1640	ev_rt_now = ev_time ();
1590	mn_now = get_clock ();	1641	mn_now = get_clock ();
1591	now_floor = mn_now;	1642	now_floor = mn_now;
1592	rtmn_diff = ev_rt_now - mn_now;	1643	rtmn_diff = ev_rt_now - mn_now;
1593	#if EV_MINIMAL < 2	1644	#if EV_FEATURE_API
1594	invoke_cb = ev_invoke_pending;	1645	invoke_cb = ev_invoke_pending;
1595	#endif	1646	#endif
1596		1647
1597	io_blocktime = 0.;	1648	io_blocktime = 0.;
1598	timeout_blocktime = 0.;	1649	timeout_blocktime = 0.;
…		…
1604	#endif	1655	#endif
1605	#if EV_USE_INOTIFY	1656	#if EV_USE_INOTIFY
1606	fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;	1657	fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;
1607	#endif	1658	#endif
1608	#if EV_USE_SIGNALFD	1659	#if EV_USE_SIGNALFD
1609	sigfd = flags & EVFLAG_NOSIGFD ? -1 : -2;	1660	sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;
1610	#endif	1661	#endif
1611		1662
1612	if (!(flags & 0x0000ffffU))	1663	if (!(flags & 0x0000ffffU))
1613	flags \|= ev_recommended_backends ();	1664	flags \|= ev_recommended_backends ();
1614		1665
…		…
1628	if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags);	1679	if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags);
1629	#endif	1680	#endif
1630		1681
1631	ev_prepare_init (&pending_w, pendingcb);	1682	ev_prepare_init (&pending_w, pendingcb);
1632		1683
		1684	#if EV_SIGNAL_ENABLE \|\| EV_ASYNC_ENABLE
1633	ev_init (&pipe_w, pipecb);	1685	ev_init (&pipe_w, pipecb);
1634	ev_set_priority (&pipe_w, EV_MAXPRI);	1686	ev_set_priority (&pipe_w, EV_MAXPRI);
		1687	#endif
1635	}	1688	}
1636	}	1689	}
1637		1690
1638	/* free up a loop structure */	1691	/* free up a loop structure */
1639	static void noinline	1692	static void noinline
…		…
1658	}	1711	}
1659	}	1712	}
1660		1713
1661	#if EV_USE_SIGNALFD	1714	#if EV_USE_SIGNALFD
1662	if (ev_is_active (&sigfd_w))	1715	if (ev_is_active (&sigfd_w))
1663	{
1664	/ev_ref (EV_A);/
1665	/ev_io_stop (EV_A_ &sigfd_w);/
1666
1667	close (sigfd);	1716	close (sigfd);
1668	}
1669	#endif	1717	#endif
1670		1718
1671	#if EV_USE_INOTIFY	1719	#if EV_USE_INOTIFY
1672	if (fs_fd >= 0)	1720	if (fs_fd >= 0)
1673	close (fs_fd);	1721	close (fs_fd);
…		…
1762	{	1810	{
1763	EV_WIN32_CLOSE_FD (evpipe [0]);	1811	EV_WIN32_CLOSE_FD (evpipe [0]);
1764	EV_WIN32_CLOSE_FD (evpipe [1]);	1812	EV_WIN32_CLOSE_FD (evpipe [1]);
1765	}	1813	}
1766		1814
		1815	#if EV_SIGNAL_ENABLE \|\| EV_ASYNC_ENABLE
1767	evpipe_init (EV_A);	1816	evpipe_init (EV_A);
1768	/* now iterate over everything, in case we missed something */	1817	/* now iterate over everything, in case we missed something */
1769	pipecb (EV_A_ &pipe_w, EV_READ);	1818	pipecb (EV_A_ &pipe_w, EV_READ);
		1819	#endif
1770	}	1820	}
1771		1821
1772	postfork = 0;	1822	postfork = 0;
1773	}	1823	}
1774		1824
…		…
1836	verify_watcher (EV_A_ ws [cnt]);	1886	verify_watcher (EV_A_ ws [cnt]);
1837	}	1887	}
1838	}	1888	}
1839	#endif	1889	#endif
1840		1890
1841	#if EV_MINIMAL < 2	1891	#if EV_FEATURE_API
1842	void	1892	void
1843	ev_loop_verify (EV_P)	1893	ev_verify (EV_P)
1844	{	1894	{
1845	#if EV_VERIFY	1895	#if EV_VERIFY
1846	int i;	1896	int i;
1847	WL w;	1897	WL w;
1848		1898
…		…
1887	#if EV_ASYNC_ENABLE	1937	#if EV_ASYNC_ENABLE
1888	assert (asyncmax >= asynccnt);	1938	assert (asyncmax >= asynccnt);
1889	array_verify (EV_A_ (W *)asyncs, asynccnt);	1939	array_verify (EV_A_ (W *)asyncs, asynccnt);
1890	#endif	1940	#endif
1891		1941
		1942	#if EV_PREPARE_ENABLE
1892	assert (preparemax >= preparecnt);	1943	assert (preparemax >= preparecnt);
1893	array_verify (EV_A_ (W *)prepares, preparecnt);	1944	array_verify (EV_A_ (W *)prepares, preparecnt);
		1945	#endif
1894		1946
		1947	#if EV_CHECK_ENABLE
1895	assert (checkmax >= checkcnt);	1948	assert (checkmax >= checkcnt);
1896	array_verify (EV_A_ (W *)checks, checkcnt);	1949	array_verify (EV_A_ (W *)checks, checkcnt);
		1950	#endif
1897		1951
1898	# if 0	1952	# if 0
		1953	#if EV_CHILD_ENABLE
1899	for (w = (ev_child )childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child )((WL)w)->next)	1954	for (w = (ev_child )childs [chain & ((EV_PID_HASHSIZE) - 1)]; w; w = (ev_child )((WL)w)->next)
1900	for (signum = EV_NSIG; signum--; ) if (signals [signum].pending)	1955	for (signum = EV_NSIG; signum--; ) if (signals [signum].pending)
		1956	#endif
1901	# endif	1957	# endif
1902	#endif	1958	#endif
1903	}	1959	}
1904	#endif	1960	#endif
1905		1961
…		…
1921		1977
1922	loop_init (EV_A_ flags);	1978	loop_init (EV_A_ flags);
1923		1979
1924	if (ev_backend (EV_A))	1980	if (ev_backend (EV_A))
1925	{	1981	{
1926	#ifndef _WIN32	1982	#if EV_CHILD_ENABLE
1927	ev_signal_init (&childev, childcb, SIGCHLD);	1983	ev_signal_init (&childev, childcb, SIGCHLD);
1928	ev_set_priority (&childev, EV_MAXPRI);	1984	ev_set_priority (&childev, EV_MAXPRI);
1929	ev_signal_start (EV_A_ &childev);	1985	ev_signal_start (EV_A_ &childev);
1930	ev_unref (EV_A); /* child watcher should not keep loop alive */	1986	ev_unref (EV_A); /* child watcher should not keep loop alive */
1931	#endif	1987	#endif
…		…
1944	EV_P = ev_default_loop_ptr;	2000	EV_P = ev_default_loop_ptr;
1945	#endif	2001	#endif
1946		2002
1947	ev_default_loop_ptr = 0;	2003	ev_default_loop_ptr = 0;
1948		2004
1949	#ifndef _WIN32	2005	#if EV_CHILD_ENABLE
1950	ev_ref (EV_A); /* child watcher */	2006	ev_ref (EV_A); /* child watcher */
1951	ev_signal_stop (EV_A_ &childev);	2007	ev_signal_stop (EV_A_ &childev);
1952	#endif	2008	#endif
1953		2009
1954	loop_destroy (EV_A);	2010	loop_destroy (EV_A);
…		…
2060	EV_FREQUENT_CHECK;	2116	EV_FREQUENT_CHECK;
2061	feed_reverse (EV_A_ (W)w);	2117	feed_reverse (EV_A_ (W)w);
2062	}	2118	}
2063	while (timercnt && ANHE_at (timers [HEAP0]) < mn_now);	2119	while (timercnt && ANHE_at (timers [HEAP0]) < mn_now);
2064		2120
2065	feed_reverse_done (EV_A_ EV_TIMEOUT);	2121	feed_reverse_done (EV_A_ EV_TIMER);
2066	}	2122	}
2067	}	2123	}
2068		2124
2069	#if EV_PERIODIC_ENABLE	2125	#if EV_PERIODIC_ENABLE
2070	/* make periodics pending */	2126	/* make periodics pending */
…		…
2123	feed_reverse_done (EV_A_ EV_PERIODIC);	2179	feed_reverse_done (EV_A_ EV_PERIODIC);
2124	}	2180	}
2125	}	2181	}
2126		2182
2127	/* simply recalculate all periodics */	2183	/* simply recalculate all periodics */
2128	/* TODO: maybe ensure that at leats one event happens when jumping forward? */	2184	/* TODO: maybe ensure that at least one event happens when jumping forward? */
2129	static void noinline	2185	static void noinline
2130	periodics_reschedule (EV_P)	2186	periodics_reschedule (EV_P)
2131	{	2187	{
2132	int i;	2188	int i;
2133		2189
…		…
2161	ANHE_at_cache (*he);	2217	ANHE_at_cache (*he);
2162	}	2218	}
2163	}	2219	}
2164		2220
2165	/* fetch new monotonic and realtime times from the kernel */	2221	/* fetch new monotonic and realtime times from the kernel */
2166	/* also detetc if there was a timejump, and act accordingly */	2222	/* also detect if there was a timejump, and act accordingly */
2167	inline_speed void	2223	inline_speed void
2168	time_update (EV_P_ ev_tstamp max_block)	2224	time_update (EV_P_ ev_tstamp max_block)
2169	{	2225	{
2170	#if EV_USE_MONOTONIC	2226	#if EV_USE_MONOTONIC
2171	if (expect_true (have_monotonic))	2227	if (expect_true (have_monotonic))
…		…
2231	}	2287	}
2232		2288
2233	void	2289	void
2234	ev_loop (EV_P_ int flags)	2290	ev_loop (EV_P_ int flags)
2235	{	2291	{
2236	#if EV_MINIMAL < 2	2292	#if EV_FEATURE_API
2237	++loop_depth;	2293	++loop_depth;
2238	#endif	2294	#endif
2239		2295
2240	assert (("libev: ev_loop recursion during release detected", loop_done != EVUNLOOP_RECURSE));	2296	assert (("libev: ev_loop recursion during release detected", loop_done != EVUNLOOP_RECURSE));
2241		2297
…		…
2244	EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */	2300	EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */
2245		2301
2246	do	2302	do
2247	{	2303	{
2248	#if EV_VERIFY >= 2	2304	#if EV_VERIFY >= 2
2249	ev_loop_verify (EV_A);	2305	ev_verify (EV_A);
2250	#endif	2306	#endif
2251		2307
2252	#ifndef _WIN32	2308	#ifndef _WIN32
2253	if (expect_false (curpid)) /* penalise the forking check even more */	2309	if (expect_false (curpid)) /* penalise the forking check even more */
2254	if (expect_false (getpid () != curpid))	2310	if (expect_false (getpid () != curpid))
…		…
2266	queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);	2322	queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);
2267	EV_INVOKE_PENDING;	2323	EV_INVOKE_PENDING;
2268	}	2324	}
2269	#endif	2325	#endif
2270		2326
		2327	#if EV_PREPARE_ENABLE
2271	/* queue prepare watchers (and execute them) */	2328	/* queue prepare watchers (and execute them) */
2272	if (expect_false (preparecnt))	2329	if (expect_false (preparecnt))
2273	{	2330	{
2274	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);	2331	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
2275	EV_INVOKE_PENDING;	2332	EV_INVOKE_PENDING;
2276	}	2333	}
		2334	#endif
2277		2335
2278	if (expect_false (loop_done))	2336	if (expect_false (loop_done))
2279	break;	2337	break;
2280		2338
2281	/* we might have forked, so reify kernel state if necessary */	2339	/* we might have forked, so reify kernel state if necessary */
…		…
2332	waittime -= sleeptime;	2390	waittime -= sleeptime;
2333	}	2391	}
2334	}	2392	}
2335	}	2393	}
2336		2394
2337	#if EV_MINIMAL < 2	2395	#if EV_FEATURE_API
2338	++loop_count;	2396	++loop_count;
2339	#endif	2397	#endif
2340	assert ((loop_done = EVUNLOOP_RECURSE, 1)); /* assert for side effect */	2398	assert ((loop_done = EVUNLOOP_RECURSE, 1)); /* assert for side effect */
2341	backend_poll (EV_A_ waittime);	2399	backend_poll (EV_A_ waittime);
2342	assert ((loop_done = EVUNLOOP_CANCEL, 1)); /* assert for side effect */	2400	assert ((loop_done = EVUNLOOP_CANCEL, 1)); /* assert for side effect */
…		…
2354	#if EV_IDLE_ENABLE	2412	#if EV_IDLE_ENABLE
2355	/* queue idle watchers unless other events are pending */	2413	/* queue idle watchers unless other events are pending */
2356	idle_reify (EV_A);	2414	idle_reify (EV_A);
2357	#endif	2415	#endif
2358		2416
		2417	#if EV_CHECK_ENABLE
2359	/* queue check watchers, to be executed first */	2418	/* queue check watchers, to be executed first */
2360	if (expect_false (checkcnt))	2419	if (expect_false (checkcnt))
2361	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);	2420	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
		2421	#endif
2362		2422
2363	EV_INVOKE_PENDING;	2423	EV_INVOKE_PENDING;
2364	}	2424	}
2365	while (expect_true (	2425	while (expect_true (
2366	activecnt	2426	activecnt
…		…
2369	));	2429	));
2370		2430
2371	if (loop_done == EVUNLOOP_ONE)	2431	if (loop_done == EVUNLOOP_ONE)
2372	loop_done = EVUNLOOP_CANCEL;	2432	loop_done = EVUNLOOP_CANCEL;
2373		2433
2374	#if EV_MINIMAL < 2	2434	#if EV_FEATURE_API
2375	--loop_depth;	2435	--loop_depth;
2376	#endif	2436	#endif
2377	}	2437	}
2378		2438
2379	void	2439	void
…		…
2505		2565
2506	if (expect_false (ev_is_active (w)))	2566	if (expect_false (ev_is_active (w)))
2507	return;	2567	return;
2508		2568
2509	assert (("libev: ev_io_start called with negative fd", fd >= 0));	2569	assert (("libev: ev_io_start called with negative fd", fd >= 0));
2510	assert (("libev: ev_io start called with illegal event mask", !(w->events & ~(EV__IOFDSET \| EV_READ \| EV_WRITE))));	2570	assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET \| EV_READ \| EV_WRITE))));
2511		2571
2512	EV_FREQUENT_CHECK;	2572	EV_FREQUENT_CHECK;
2513		2573
2514	ev_start (EV_A_ (W)w, 1);	2574	ev_start (EV_A_ (W)w, 1);
2515	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);	2575	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);
…		…
2585	timers [active] = timers [timercnt + HEAP0];	2645	timers [active] = timers [timercnt + HEAP0];
2586	adjustheap (timers, timercnt, active);	2646	adjustheap (timers, timercnt, active);
2587	}	2647	}
2588	}	2648	}
2589		2649
2590	EV_FREQUENT_CHECK;
2591
2592	ev_at (w) -= mn_now;	2650	ev_at (w) -= mn_now;
2593		2651
2594	ev_stop (EV_A_ (W)w);	2652	ev_stop (EV_A_ (W)w);
		2653
		2654	EV_FREQUENT_CHECK;
2595	}	2655	}
2596		2656
2597	void noinline	2657	void noinline
2598	ev_timer_again (EV_P_ ev_timer *w)	2658	ev_timer_again (EV_P_ ev_timer *w)
2599	{	2659	{
…		…
2678	periodics [active] = periodics [periodiccnt + HEAP0];	2738	periodics [active] = periodics [periodiccnt + HEAP0];
2679	adjustheap (periodics, periodiccnt, active);	2739	adjustheap (periodics, periodiccnt, active);
2680	}	2740	}
2681	}	2741	}
2682		2742
2683	EV_FREQUENT_CHECK;
2684
2685	ev_stop (EV_A_ (W)w);	2743	ev_stop (EV_A_ (W)w);
		2744
		2745	EV_FREQUENT_CHECK;
2686	}	2746	}
2687		2747
2688	void noinline	2748	void noinline
2689	ev_periodic_again (EV_P_ ev_periodic *w)	2749	ev_periodic_again (EV_P_ ev_periodic *w)
2690	{	2750	{
…		…
2695	#endif	2755	#endif
2696		2756
2697	#ifndef SA_RESTART	2757	#ifndef SA_RESTART
2698	# define SA_RESTART 0	2758	# define SA_RESTART 0
2699	#endif	2759	#endif
		2760
		2761	#if EV_SIGNAL_ENABLE
2700		2762
2701	void noinline	2763	void noinline
2702	ev_signal_start (EV_P_ ev_signal *w)	2764	ev_signal_start (EV_P_ ev_signal *w)
2703	{	2765	{
2704	if (expect_false (ev_is_active (w)))	2766	if (expect_false (ev_is_active (w)))
…		…
2751	if (!((WL)w)->next)	2813	if (!((WL)w)->next)
2752	# if EV_USE_SIGNALFD	2814	# if EV_USE_SIGNALFD
2753	if (sigfd < 0) /TODO/	2815	if (sigfd < 0) /TODO/
2754	# endif	2816	# endif
2755	{	2817	{
2756	# if _WIN32	2818	# ifdef _WIN32
		2819	evpipe_init (EV_A);
		2820
2757	signal (w->signum, ev_sighandler);	2821	signal (w->signum, ev_sighandler);
2758	# else	2822	# else
2759	struct sigaction sa;	2823	struct sigaction sa;
2760		2824
2761	evpipe_init (EV_A);	2825	evpipe_init (EV_A);
…		…
2792	signals [w->signum - 1].loop = 0; /* unattach from signal */	2856	signals [w->signum - 1].loop = 0; /* unattach from signal */
2793	#endif	2857	#endif
2794	#if EV_USE_SIGNALFD	2858	#if EV_USE_SIGNALFD
2795	if (sigfd >= 0)	2859	if (sigfd >= 0)
2796	{	2860	{
2797	sigprocmask (SIG_UNBLOCK, &sigfd_set, 0);//D	2861	sigset_t ss;
		2862
		2863	sigemptyset (&ss);
		2864	sigaddset (&ss, w->signum);
2798	sigdelset (&sigfd_set, w->signum);	2865	sigdelset (&sigfd_set, w->signum);
		2866
2799	signalfd (sigfd, &sigfd_set, 0);	2867	signalfd (sigfd, &sigfd_set, 0);
2800	sigprocmask (SIG_BLOCK, &sigfd_set, 0);//D	2868	sigprocmask (SIG_UNBLOCK, &ss, 0);
2801	/TODO: maybe unblock signal? /
2802	}	2869	}
2803	else	2870	else
2804	#endif	2871	#endif
2805	signal (w->signum, SIG_DFL);	2872	signal (w->signum, SIG_DFL);
2806	}	2873	}
2807		2874
2808	EV_FREQUENT_CHECK;	2875	EV_FREQUENT_CHECK;
2809	}	2876	}
2810		2877
		2878	#endif
		2879
		2880	#if EV_CHILD_ENABLE
		2881
2811	void	2882	void
2812	ev_child_start (EV_P_ ev_child *w)	2883	ev_child_start (EV_P_ ev_child *w)
2813	{	2884	{
2814	#if EV_MULTIPLICITY	2885	#if EV_MULTIPLICITY
2815	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));	2886	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
…		…
2818	return;	2889	return;
2819		2890
2820	EV_FREQUENT_CHECK;	2891	EV_FREQUENT_CHECK;
2821		2892
2822	ev_start (EV_A_ (W)w, 1);	2893	ev_start (EV_A_ (W)w, 1);
2823	wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);	2894	wlist_add (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w);
2824		2895
2825	EV_FREQUENT_CHECK;	2896	EV_FREQUENT_CHECK;
2826	}	2897	}
2827		2898
2828	void	2899	void
…		…
2832	if (expect_false (!ev_is_active (w)))	2903	if (expect_false (!ev_is_active (w)))
2833	return;	2904	return;
2834		2905
2835	EV_FREQUENT_CHECK;	2906	EV_FREQUENT_CHECK;
2836		2907
2837	wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);	2908	wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w);
2838	ev_stop (EV_A_ (W)w);	2909	ev_stop (EV_A_ (W)w);
2839		2910
2840	EV_FREQUENT_CHECK;	2911	EV_FREQUENT_CHECK;
2841	}	2912	}
		2913
		2914	#endif
2842		2915
2843	#if EV_STAT_ENABLE	2916	#if EV_STAT_ENABLE
2844		2917
2845	# ifdef _WIN32	2918	# ifdef _WIN32
2846	# undef lstat	2919	# undef lstat
…		…
2852	#define MIN_STAT_INTERVAL 0.1074891	2925	#define MIN_STAT_INTERVAL 0.1074891
2853		2926
2854	static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents);	2927	static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents);
2855		2928
2856	#if EV_USE_INOTIFY	2929	#if EV_USE_INOTIFY
2857	# define EV_INOTIFY_BUFSIZE 8192	2930
		2931	/* the * 2 is to allow for alignment padding, which for some reason is >> 8 */
		2932	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)
2858		2933
2859	static void noinline	2934	static void noinline
2860	infy_add (EV_P_ ev_stat *w)	2935	infy_add (EV_P_ ev_stat *w)
2861	{	2936	{
2862	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);	2937	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);
2863		2938
2864	if (w->wd < 0)	2939	if (w->wd >= 0)
		2940	{
		2941	struct statfs sfs;
		2942
		2943	/* now local changes will be tracked by inotify, but remote changes won't */
		2944	/* unless the filesystem is known to be local, we therefore still poll */
		2945	/* also do poll on <2.6.25, but with normal frequency */
		2946
		2947	if (!fs_2625)
		2948	w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;
		2949	else if (!statfs (w->path, &sfs)
		2950	&& (sfs.f_type == 0x1373 /* devfs */
		2951	\|\| sfs.f_type == 0xEF53 /* ext2/3 */
		2952	\|\| sfs.f_type == 0x3153464a /* jfs */
		2953	\|\| sfs.f_type == 0x52654973 /* reiser3 */
		2954	\|\| sfs.f_type == 0x01021994 /* tempfs */
		2955	\|\| sfs.f_type == 0x58465342 /* xfs */))
		2956	w->timer.repeat = 0.; /* filesystem is local, kernel new enough */
		2957	else
		2958	w->timer.repeat = w->interval ? w->interval : NFS_STAT_INTERVAL; /* remote, use reduced frequency */
2865	{	2959	}
		2960	else
		2961	{
		2962	/* can't use inotify, continue to stat */
2866	w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;	2963	w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;
2867	ev_timer_again (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */
2868		2964
2869	/* monitor some parent directory for speedup hints */	2965	/* if path is not there, monitor some parent directory for speedup hints */
2870	/* note that exceeding the hardcoded path limit is not a correctness issue, */	2966	/* note that exceeding the hardcoded path limit is not a correctness issue, */
2871	/* but an efficiency issue only */	2967	/* but an efficiency issue only */
2872	if ((errno == ENOENT \|\| errno == EACCES) && strlen (w->path) < 4096)	2968	if ((errno == ENOENT \|\| errno == EACCES) && strlen (w->path) < 4096)
2873	{	2969	{
2874	char path [4096];	2970	char path [4096];
…		…
2890	while (w->wd < 0 && (errno == ENOENT \|\| errno == EACCES));	2986	while (w->wd < 0 && (errno == ENOENT \|\| errno == EACCES));
2891	}	2987	}
2892	}	2988	}
2893		2989
2894	if (w->wd >= 0)	2990	if (w->wd >= 0)
2895	{
2896	struct statfs sfs;
2897
2898	wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w);	2991	wlist_add (&fs_hash [w->wd & ((EV_INOTIFY_HASHSIZE) - 1)].head, (WL)w);
2899		2992
2900	/* now local changes will be tracked by inotify, but remote changes won't */	2993	/* now re-arm timer, if required */
2901	/* unless the filesystem it known to be local, we therefore still poll */	2994	if (ev_is_active (&w->timer)) ev_ref (EV_A);
2902	/* also do poll on <2.6.25, but with normal frequency */
2903
2904	if (fs_2625 && !statfs (w->path, &sfs))
2905	if (sfs.f_type == 0x1373 /* devfs */
2906	\|\| sfs.f_type == 0xEF53 /* ext2/3 */
2907	\|\| sfs.f_type == 0x3153464a /* jfs */
2908	\|\| sfs.f_type == 0x52654973 /* reiser3 */
2909	\|\| sfs.f_type == 0x01021994 /* tempfs */
2910	\|\| sfs.f_type == 0x58465342 /* xfs */)
2911	return;
2912
2913	w->timer.repeat = w->interval ? w->interval : fs_2625 ? NFS_STAT_INTERVAL : DEF_STAT_INTERVAL;
2914	ev_timer_again (EV_A_ &w->timer);	2995	ev_timer_again (EV_A_ &w->timer);
2915	}	2996	if (ev_is_active (&w->timer)) ev_unref (EV_A);
2916	}	2997	}
2917		2998
2918	static void noinline	2999	static void noinline
2919	infy_del (EV_P_ ev_stat *w)	3000	infy_del (EV_P_ ev_stat *w)
2920	{	3001	{
…		…
2923		3004
2924	if (wd < 0)	3005	if (wd < 0)
2925	return;	3006	return;
2926		3007
2927	w->wd = -2;	3008	w->wd = -2;
2928	slot = wd & (EV_INOTIFY_HASHSIZE - 1);	3009	slot = wd & ((EV_INOTIFY_HASHSIZE) - 1);
2929	wlist_del (&fs_hash [slot].head, (WL)w);	3010	wlist_del (&fs_hash [slot].head, (WL)w);
2930		3011
2931	/* remove this watcher, if others are watching it, they will rearm */	3012	/* remove this watcher, if others are watching it, they will rearm */
2932	inotify_rm_watch (fs_fd, wd);	3013	inotify_rm_watch (fs_fd, wd);
2933	}	3014	}
…		…
2935	static void noinline	3016	static void noinline
2936	infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)	3017	infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)
2937	{	3018	{
2938	if (slot < 0)	3019	if (slot < 0)
2939	/* overflow, need to check for all hash slots */	3020	/* overflow, need to check for all hash slots */
2940	for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot)	3021	for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)
2941	infy_wd (EV_A_ slot, wd, ev);	3022	infy_wd (EV_A_ slot, wd, ev);
2942	else	3023	else
2943	{	3024	{
2944	WL w_;	3025	WL w_;
2945		3026
2946	for (w_ = fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head; w_; )	3027	for (w_ = fs_hash [slot & ((EV_INOTIFY_HASHSIZE) - 1)].head; w_; )
2947	{	3028	{
2948	ev_stat w = (ev_stat )w_;	3029	ev_stat w = (ev_stat )w_;
2949	w_ = w_->next; /* lets us remove this watcher and all before it */	3030	w_ = w_->next; /* lets us remove this watcher and all before it */
2950		3031
2951	if (w->wd == wd \|\| wd == -1)	3032	if (w->wd == wd \|\| wd == -1)
2952	{	3033	{
2953	if (ev->mask & (IN_IGNORED \| IN_UNMOUNT \| IN_DELETE_SELF))	3034	if (ev->mask & (IN_IGNORED \| IN_UNMOUNT \| IN_DELETE_SELF))
2954	{	3035	{
2955	wlist_del (&fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w);	3036	wlist_del (&fs_hash [slot & ((EV_INOTIFY_HASHSIZE) - 1)].head, (WL)w);
2956	w->wd = -1;	3037	w->wd = -1;
2957	infy_add (EV_A_ w); /* re-add, no matter what */	3038	infy_add (EV_A_ w); /* re-add, no matter what */
2958	}	3039	}
2959		3040
2960	stat_timer_cb (EV_A_ &w->timer, 0);	3041	stat_timer_cb (EV_A_ &w->timer, 0);
…		…
2965		3046
2966	static void	3047	static void
2967	infy_cb (EV_P_ ev_io *w, int revents)	3048	infy_cb (EV_P_ ev_io *w, int revents)
2968	{	3049	{
2969	char buf [EV_INOTIFY_BUFSIZE];	3050	char buf [EV_INOTIFY_BUFSIZE];
2970	struct inotify_event ev = (struct inotify_event )buf;
2971	int ofs;	3051	int ofs;
2972	int len = read (fs_fd, buf, sizeof (buf));	3052	int len = read (fs_fd, buf, sizeof (buf));
2973		3053
2974	for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len)	3054	for (ofs = 0; ofs < len; )
		3055	{
		3056	struct inotify_event ev = (struct inotify_event )(buf + ofs);
2975	infy_wd (EV_A_ ev->wd, ev->wd, ev);	3057	infy_wd (EV_A_ ev->wd, ev->wd, ev);
		3058	ofs += sizeof (struct inotify_event) + ev->len;
		3059	}
		3060	}
		3061
		3062	inline_size unsigned int
		3063	ev_linux_version (void)
		3064	{
		3065	struct utsname buf;
		3066	unsigned int v;
		3067	int i;
		3068	char *p = buf.release;
		3069
		3070	if (uname (&buf))
		3071	return 0;
		3072
		3073	for (i = 3+1; --i; )
		3074	{
		3075	unsigned int c = 0;
		3076
		3077	for (;;)
		3078	{
		3079	if (p >= '0' && p <= '9')
		3080	c = c * 10 + *p++ - '0';
		3081	else
		3082	{
		3083	p += *p == '.';
		3084	break;
		3085	}
		3086	}
		3087
		3088	v = (v << 8) \| c;
		3089	}
		3090
		3091	return v;
2976	}	3092	}
2977		3093
2978	inline_size void	3094	inline_size void
2979	check_2625 (EV_P)	3095	ev_check_2625 (EV_P)
2980	{	3096	{
2981	/* kernels < 2.6.25 are borked	3097	/* kernels < 2.6.25 are borked
2982	* http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html	3098	* http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html
2983	*/	3099	*/
2984	struct utsname buf;	3100	if (ev_linux_version () < 0x020619)
2985	int major, minor, micro;
2986
2987	if (uname (&buf))
2988	return;
2989
2990	if (sscanf (buf.release, "%d.%d.%d", &major, &minor, &micro) != 3)
2991	return;
2992
2993	if (major < 2
2994	\|\| (major == 2 && minor < 6)
2995	\|\| (major == 2 && minor == 6 && micro < 25))
2996	return;	3101	return;
2997		3102
2998	fs_2625 = 1;	3103	fs_2625 = 1;
2999	}	3104	}
3000		3105
…		…
3015	if (fs_fd != -2)	3120	if (fs_fd != -2)
3016	return;	3121	return;
3017		3122
3018	fs_fd = -1;	3123	fs_fd = -1;
3019		3124
3020	check_2625 (EV_A);	3125	ev_check_2625 (EV_A);
3021		3126
3022	fs_fd = infy_newfd ();	3127	fs_fd = infy_newfd ();
3023		3128
3024	if (fs_fd >= 0)	3129	if (fs_fd >= 0)
3025	{	3130	{
3026	fd_intern (fs_fd);	3131	fd_intern (fs_fd);
3027	ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ);	3132	ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ);
3028	ev_set_priority (&fs_w, EV_MAXPRI);	3133	ev_set_priority (&fs_w, EV_MAXPRI);
3029	ev_io_start (EV_A_ &fs_w);	3134	ev_io_start (EV_A_ &fs_w);
		3135	ev_unref (EV_A);
3030	}	3136	}
3031	}	3137	}
3032		3138
3033	inline_size void	3139	inline_size void
3034	infy_fork (EV_P)	3140	infy_fork (EV_P)
…		…
3036	int slot;	3142	int slot;
3037		3143
3038	if (fs_fd < 0)	3144	if (fs_fd < 0)
3039	return;	3145	return;
3040		3146
		3147	ev_ref (EV_A);
3041	ev_io_stop (EV_A_ &fs_w);	3148	ev_io_stop (EV_A_ &fs_w);
3042	close (fs_fd);	3149	close (fs_fd);
3043	fs_fd = infy_newfd ();	3150	fs_fd = infy_newfd ();
3044		3151
3045	if (fs_fd >= 0)	3152	if (fs_fd >= 0)
3046	{	3153	{
3047	fd_intern (fs_fd);	3154	fd_intern (fs_fd);
3048	ev_io_set (&fs_w, fs_fd, EV_READ);	3155	ev_io_set (&fs_w, fs_fd, EV_READ);
3049	ev_io_start (EV_A_ &fs_w);	3156	ev_io_start (EV_A_ &fs_w);
		3157	ev_unref (EV_A);
3050	}	3158	}
3051		3159
3052	for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot)	3160	for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)
3053	{	3161	{
3054	WL w_ = fs_hash [slot].head;	3162	WL w_ = fs_hash [slot].head;
3055	fs_hash [slot].head = 0;	3163	fs_hash [slot].head = 0;
3056		3164
3057	while (w_)	3165	while (w_)
…		…
3062	w->wd = -1;	3170	w->wd = -1;
3063		3171
3064	if (fs_fd >= 0)	3172	if (fs_fd >= 0)
3065	infy_add (EV_A_ w); /* re-add, no matter what */	3173	infy_add (EV_A_ w); /* re-add, no matter what */
3066	else	3174	else
		3175	{
		3176	w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;
		3177	if (ev_is_active (&w->timer)) ev_ref (EV_A);
3067	ev_timer_again (EV_A_ &w->timer);	3178	ev_timer_again (EV_A_ &w->timer);
		3179	if (ev_is_active (&w->timer)) ev_unref (EV_A);
		3180	}
3068	}	3181	}
3069	}	3182	}
3070	}	3183	}
3071		3184
3072	#endif	3185	#endif
…		…
3089	static void noinline	3202	static void noinline
3090	stat_timer_cb (EV_P_ ev_timer *w_, int revents)	3203	stat_timer_cb (EV_P_ ev_timer *w_, int revents)
3091	{	3204	{
3092	ev_stat w = (ev_stat )(((char *)w_) - offsetof (ev_stat, timer));	3205	ev_stat w = (ev_stat )(((char *)w_) - offsetof (ev_stat, timer));
3093		3206
3094	/* we copy this here each the time so that */	3207	ev_statdata prev = w->attr;
3095	/* prev has the old value when the callback gets invoked */
3096	w->prev = w->attr;
3097	ev_stat_stat (EV_A_ w);	3208	ev_stat_stat (EV_A_ w);
3098		3209
3099	/* memcmp doesn't work on netbsd, they.... do stuff to their struct stat */	3210	/* memcmp doesn't work on netbsd, they.... do stuff to their struct stat */
3100	if (	3211	if (
3101	w->prev.st_dev != w->attr.st_dev	3212	prev.st_dev != w->attr.st_dev
3102	\|\| w->prev.st_ino != w->attr.st_ino	3213	\|\| prev.st_ino != w->attr.st_ino
3103	\|\| w->prev.st_mode != w->attr.st_mode	3214	\|\| prev.st_mode != w->attr.st_mode
3104	\|\| w->prev.st_nlink != w->attr.st_nlink	3215	\|\| prev.st_nlink != w->attr.st_nlink
3105	\|\| w->prev.st_uid != w->attr.st_uid	3216	\|\| prev.st_uid != w->attr.st_uid
3106	\|\| w->prev.st_gid != w->attr.st_gid	3217	\|\| prev.st_gid != w->attr.st_gid
3107	\|\| w->prev.st_rdev != w->attr.st_rdev	3218	\|\| prev.st_rdev != w->attr.st_rdev
3108	\|\| w->prev.st_size != w->attr.st_size	3219	\|\| prev.st_size != w->attr.st_size
3109	\|\| w->prev.st_atime != w->attr.st_atime	3220	\|\| prev.st_atime != w->attr.st_atime
3110	\|\| w->prev.st_mtime != w->attr.st_mtime	3221	\|\| prev.st_mtime != w->attr.st_mtime
3111	\|\| w->prev.st_ctime != w->attr.st_ctime	3222	\|\| prev.st_ctime != w->attr.st_ctime
3112	) {	3223	) {
		3224	/* we only update w->prev on actual differences */
		3225	/* in case we test more often than invoke the callback, */
		3226	/* to ensure that prev is always different to attr */
		3227	w->prev = prev;
		3228
3113	#if EV_USE_INOTIFY	3229	#if EV_USE_INOTIFY
3114	if (fs_fd >= 0)	3230	if (fs_fd >= 0)
3115	{	3231	{
3116	infy_del (EV_A_ w);	3232	infy_del (EV_A_ w);
3117	infy_add (EV_A_ w);	3233	infy_add (EV_A_ w);
…		…
3142		3258
3143	if (fs_fd >= 0)	3259	if (fs_fd >= 0)
3144	infy_add (EV_A_ w);	3260	infy_add (EV_A_ w);
3145	else	3261	else
3146	#endif	3262	#endif
		3263	{
3147	ev_timer_again (EV_A_ &w->timer);	3264	ev_timer_again (EV_A_ &w->timer);
		3265	ev_unref (EV_A);
		3266	}
3148		3267
3149	ev_start (EV_A_ (W)w, 1);	3268	ev_start (EV_A_ (W)w, 1);
3150		3269
3151	EV_FREQUENT_CHECK;	3270	EV_FREQUENT_CHECK;
3152	}	3271	}
…		…
3161	EV_FREQUENT_CHECK;	3280	EV_FREQUENT_CHECK;
3162		3281
3163	#if EV_USE_INOTIFY	3282	#if EV_USE_INOTIFY
3164	infy_del (EV_A_ w);	3283	infy_del (EV_A_ w);
3165	#endif	3284	#endif
		3285
		3286	if (ev_is_active (&w->timer))
		3287	{
		3288	ev_ref (EV_A);
3166	ev_timer_stop (EV_A_ &w->timer);	3289	ev_timer_stop (EV_A_ &w->timer);
		3290	}
3167		3291
3168	ev_stop (EV_A_ (W)w);	3292	ev_stop (EV_A_ (W)w);
3169		3293
3170	EV_FREQUENT_CHECK;	3294	EV_FREQUENT_CHECK;
3171	}	3295	}
…		…
3216		3340
3217	EV_FREQUENT_CHECK;	3341	EV_FREQUENT_CHECK;
3218	}	3342	}
3219	#endif	3343	#endif
3220		3344
		3345	#if EV_PREPARE_ENABLE
3221	void	3346	void
3222	ev_prepare_start (EV_P_ ev_prepare *w)	3347	ev_prepare_start (EV_P_ ev_prepare *w)
3223	{	3348	{
3224	if (expect_false (ev_is_active (w)))	3349	if (expect_false (ev_is_active (w)))
3225	return;	3350	return;
…		…
3251		3376
3252	ev_stop (EV_A_ (W)w);	3377	ev_stop (EV_A_ (W)w);
3253		3378
3254	EV_FREQUENT_CHECK;	3379	EV_FREQUENT_CHECK;
3255	}	3380	}
		3381	#endif
3256		3382
		3383	#if EV_CHECK_ENABLE
3257	void	3384	void
3258	ev_check_start (EV_P_ ev_check *w)	3385	ev_check_start (EV_P_ ev_check *w)
3259	{	3386	{
3260	if (expect_false (ev_is_active (w)))	3387	if (expect_false (ev_is_active (w)))
3261	return;	3388	return;
…		…
3287		3414
3288	ev_stop (EV_A_ (W)w);	3415	ev_stop (EV_A_ (W)w);
3289		3416
3290	EV_FREQUENT_CHECK;	3417	EV_FREQUENT_CHECK;
3291	}	3418	}
		3419	#endif
3292		3420
3293	#if EV_EMBED_ENABLE	3421	#if EV_EMBED_ENABLE
3294	void noinline	3422	void noinline
3295	ev_embed_sweep (EV_P_ ev_embed *w)	3423	ev_embed_sweep (EV_P_ ev_embed *w)
3296	{	3424	{
…		…
3391		3519
3392	ev_io_stop (EV_A_ &w->io);	3520	ev_io_stop (EV_A_ &w->io);
3393	ev_prepare_stop (EV_A_ &w->prepare);	3521	ev_prepare_stop (EV_A_ &w->prepare);
3394	ev_fork_stop (EV_A_ &w->fork);	3522	ev_fork_stop (EV_A_ &w->fork);
3395		3523
		3524	ev_stop (EV_A_ (W)w);
		3525
3396	EV_FREQUENT_CHECK;	3526	EV_FREQUENT_CHECK;
3397	}	3527	}
3398	#endif	3528	#endif
3399		3529
3400	#if EV_FORK_ENABLE	3530	#if EV_FORK_ENABLE
…		…
3526	{	3656	{
3527	struct ev_once once = (struct ev_once )ev_malloc (sizeof (struct ev_once));	3657	struct ev_once once = (struct ev_once )ev_malloc (sizeof (struct ev_once));
3528		3658
3529	if (expect_false (!once))	3659	if (expect_false (!once))
3530	{	3660	{
3531	cb (EV_ERROR \| EV_READ \| EV_WRITE \| EV_TIMEOUT, arg);	3661	cb (EV_ERROR \| EV_READ \| EV_WRITE \| EV_TIMER, arg);
3532	return;	3662	return;
3533	}	3663	}
3534		3664
3535	once->cb = cb;	3665	once->cb = cb;
3536	once->arg = arg;	3666	once->arg = arg;
…		…
3623	if (types & EV_ASYNC)	3753	if (types & EV_ASYNC)
3624	for (i = asynccnt; i--; )	3754	for (i = asynccnt; i--; )
3625	cb (EV_A_ EV_ASYNC, asyncs [i]);	3755	cb (EV_A_ EV_ASYNC, asyncs [i]);
3626	#endif	3756	#endif
3627		3757
		3758	#if EV_PREPARE_ENABLE
3628	if (types & EV_PREPARE)	3759	if (types & EV_PREPARE)
3629	for (i = preparecnt; i--; )	3760	for (i = preparecnt; i--; )
3630	#if EV_EMBED_ENABLE	3761	# if EV_EMBED_ENABLE
3631	if (ev_cb (prepares [i]) != embed_prepare_cb)	3762	if (ev_cb (prepares [i]) != embed_prepare_cb)
3632	#endif	3763	# endif
3633	cb (EV_A_ EV_PREPARE, prepares [i]);	3764	cb (EV_A_ EV_PREPARE, prepares [i]);
		3765	#endif
3634		3766
		3767	#if EV_CHECK_ENABLE
3635	if (types & EV_CHECK)	3768	if (types & EV_CHECK)
3636	for (i = checkcnt; i--; )	3769	for (i = checkcnt; i--; )
3637	cb (EV_A_ EV_CHECK, checks [i]);	3770	cb (EV_A_ EV_CHECK, checks [i]);
		3771	#endif
3638		3772
		3773	#if EV_SIGNAL_ENABLE
3639	if (types & EV_SIGNAL)	3774	if (types & EV_SIGNAL)
3640	for (i = 0; i < EV_NSIG - 1; ++i)	3775	for (i = 0; i < EV_NSIG - 1; ++i)
3641	for (wl = signals [i].head; wl; )	3776	for (wl = signals [i].head; wl; )
3642	{	3777	{
3643	wn = wl->next;	3778	wn = wl->next;
3644	cb (EV_A_ EV_SIGNAL, wl);	3779	cb (EV_A_ EV_SIGNAL, wl);
3645	wl = wn;	3780	wl = wn;
3646	}	3781	}
		3782	#endif
3647		3783
		3784	#if EV_CHILD_ENABLE
3648	if (types & EV_CHILD)	3785	if (types & EV_CHILD)
3649	for (i = EV_PID_HASHSIZE; i--; )	3786	for (i = (EV_PID_HASHSIZE); i--; )
3650	for (wl = childs [i]; wl; )	3787	for (wl = childs [i]; wl; )
3651	{	3788	{
3652	wn = wl->next;	3789	wn = wl->next;
3653	cb (EV_A_ EV_CHILD, wl);	3790	cb (EV_A_ EV_CHILD, wl);
3654	wl = wn;	3791	wl = wn;
3655	}	3792	}
		3793	#endif
3656	/* EV_STAT 0x00001000 /* stat data changed */	3794	/* EV_STAT 0x00001000 /* stat data changed */
3657	/* EV_EMBED 0x00010000 /* embedded event loop needs sweep */	3795	/* EV_EMBED 0x00010000 /* embedded event loop needs sweep */
3658	}	3796	}
3659	#endif	3797	#endif
3660		3798

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+Removed lines
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Comparing libev/ev.c (file contents): Revision 1.316 by root, Fri Sep 18 21:02:12 2009 UTC vs. Revision 1.345 by sf-exg, Sat Jul 31 22:33:26 2010 UTC

Diff Legend

Comparing libev/ev.c (file contents):
Revision 1.316 by root, Fri Sep 18 21:02:12 2009 UTC vs.
Revision 1.345 by sf-exg, Sat Jul 31 22:33:26 2010 UTC