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

Comparing libev/ev.c (file contents):
Revision 1.317 by root, Sat Nov 14 00:15:21 2009 UTC vs.
Revision 1.343 by root, Fri Apr 2 21:03:46 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
88	# endif
89
90	# ifndef EV_USE_SELECT
91	# if HAVE_SELECT && HAVE_SYS_SELECT_H
92	# define EV_USE_SELECT 1
93	# else	95	# else
		96	# undef EV_USE_SELECT
94	# define EV_USE_SELECT 0	97	# define EV_USE_SELECT 0
		98	# endif
		99
		100	# if HAVE_POLL && HAVE_POLL_H
		101	# ifndef EV_USE_POLL
		102	# define EV_USE_POLL EV_FEATURE_BACKENDS
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
		107	# endif
		108
		109	# if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H
		110	# ifndef EV_USE_EPOLL
		111	# define EV_USE_EPOLL EV_FEATURE_BACKENDS
103	# endif	112	# endif
		113	# else
		114	# undef EV_USE_EPOLL
		115	# define EV_USE_EPOLL 0
104	# endif	116	# endif
105		117
		118	# if HAVE_KQUEUE && HAVE_SYS_EVENT_H
106	# ifndef EV_USE_EPOLL	119	# ifndef EV_USE_KQUEUE
107	# if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H	120	# define EV_USE_KQUEUE EV_FEATURE_BACKENDS
108	# define EV_USE_EPOLL 1
109	# else
110	# define EV_USE_EPOLL 0
111	# endif	121	# endif
		122	# else
		123	# undef EV_USE_KQUEUE
		124	# define EV_USE_KQUEUE 0
112	# endif	125	# endif
113		126
114	# ifndef EV_USE_KQUEUE	127	# if HAVE_PORT_H && HAVE_PORT_CREATE
115	# if HAVE_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H	128	# ifndef EV_USE_PORT
116	# define EV_USE_KQUEUE 1	129	# define EV_USE_PORT EV_FEATURE_BACKENDS
117	# else
118	# define EV_USE_KQUEUE 0
119	# endif	130	# endif
120	# endif
121
122	# ifndef EV_USE_PORT
123	# if HAVE_PORT_H && HAVE_PORT_CREATE
124	# define EV_USE_PORT 1
125	# else	131	# else
		132	# undef EV_USE_PORT
126	# define EV_USE_PORT 0	133	# define EV_USE_PORT 0
		134	# endif
		135
		136	# if HAVE_INOTIFY_INIT && HAVE_SYS_INOTIFY_H
		137	# ifndef EV_USE_INOTIFY
		138	# define EV_USE_INOTIFY EV_FEATURE_OS
127	# endif	139	# endif
128	# endif
129
130	# ifndef EV_USE_INOTIFY
131	# if HAVE_INOTIFY_INIT && HAVE_SYS_INOTIFY_H
132	# define EV_USE_INOTIFY 1
133	# else	140	# else
		141	# undef EV_USE_INOTIFY
134	# define EV_USE_INOTIFY 0	142	# define EV_USE_INOTIFY 0
		143	# endif
		144
		145	# if HAVE_SIGNALFD && HAVE_SYS_SIGNALFD_H
		146	# ifndef EV_USE_SIGNALFD
		147	# define EV_USE_SIGNALFD EV_FEATURE_OS
135	# endif	148	# endif
136	# endif
137
138	# ifndef EV_USE_SIGNALFD
139	# if HAVE_SIGNALFD && HAVE_SYS_SIGNALFD_H
140	# define EV_USE_SIGNALFD 1
141	# else	149	# else
		150	# undef EV_USE_SIGNALFD
142	# define EV_USE_SIGNALFD 0	151	# define EV_USE_SIGNALFD 0
		152	# endif
		153
		154	# if HAVE_EVENTFD
		155	# ifndef EV_USE_EVENTFD
		156	# define EV_USE_EVENTFD EV_FEATURE_OS
143	# endif	157	# endif
144	# endif
145
146	# ifndef EV_USE_EVENTFD
147	# if HAVE_EVENTFD
148	# define EV_USE_EVENTFD 1
149	# else	158	# else
		159	# undef EV_USE_EVENTFD
150	# define EV_USE_EVENTFD 0	160	# define EV_USE_EVENTFD 0
151	# endif
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
188		200
189	/* this block tries to deduce configuration from header-defined symbols and defaults */	201	/* this block tries to deduce configuration from header-defined symbols and defaults */
190		202
191	/* try to deduce the maximum number of signals on this platform */	203	/* try to deduce the maximum number of signals on this platform */
…		…
204	#elif defined (MAXSIG)	216	#elif defined (MAXSIG)
205	# define EV_NSIG (MAXSIG+1)	217	# define EV_NSIG (MAXSIG+1)
206	#elif defined (MAX_SIG)	218	#elif defined (MAX_SIG)
207	# define EV_NSIG (MAX_SIG+1)	219	# define EV_NSIG (MAX_SIG+1)
208	#elif defined (SIGARRAYSIZE)	220	#elif defined (SIGARRAYSIZE)
209	# define EV_NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */	221	# define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */
210	#elif defined (_sys_nsig)	222	#elif defined (_sys_nsig)
211	# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */	223	# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */
212	#else	224	#else
213	# error "unable to find value for NSIG, please report"	225	# error "unable to find value for NSIG, please report"
214	/* to make it compile regardless, just remove the above line */	226	/* to make it compile regardless, just remove the above line, */
		227	/* but consider reporting it, too! :) */
215	# define EV_NSIG 65	228	# define EV_NSIG 65
216	#endif	229	#endif
217		230
218	#ifndef EV_USE_CLOCK_SYSCALL	231	#ifndef EV_USE_CLOCK_SYSCALL
219	# if __linux && __GLIBC__ >= 2	232	# if __linux && __GLIBC__ >= 2
220	# define EV_USE_CLOCK_SYSCALL 1	233	# define EV_USE_CLOCK_SYSCALL EV_FEATURE_OS
221	# else	234	# else
222	# define EV_USE_CLOCK_SYSCALL 0	235	# define EV_USE_CLOCK_SYSCALL 0
223	# endif	236	# endif
224	#endif	237	#endif
225		238
226	#ifndef EV_USE_MONOTONIC	239	#ifndef EV_USE_MONOTONIC
227	# if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0	240	# if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0
228	# define EV_USE_MONOTONIC 1	241	# define EV_USE_MONOTONIC EV_FEATURE_OS
229	# else	242	# else
230	# define EV_USE_MONOTONIC 0	243	# define EV_USE_MONOTONIC 0
231	# endif	244	# endif
232	#endif	245	#endif
233		246
…		…
235	# define EV_USE_REALTIME !EV_USE_CLOCK_SYSCALL	248	# define EV_USE_REALTIME !EV_USE_CLOCK_SYSCALL
236	#endif	249	#endif
237		250
238	#ifndef EV_USE_NANOSLEEP	251	#ifndef EV_USE_NANOSLEEP
239	# if _POSIX_C_SOURCE >= 199309L	252	# if _POSIX_C_SOURCE >= 199309L
240	# define EV_USE_NANOSLEEP 1	253	# define EV_USE_NANOSLEEP EV_FEATURE_OS
241	# else	254	# else
242	# define EV_USE_NANOSLEEP 0	255	# define EV_USE_NANOSLEEP 0
243	# endif	256	# endif
244	#endif	257	#endif
245		258
246	#ifndef EV_USE_SELECT	259	#ifndef EV_USE_SELECT
247	# define EV_USE_SELECT 1	260	# define EV_USE_SELECT EV_FEATURE_BACKENDS
248	#endif	261	#endif
249		262
250	#ifndef EV_USE_POLL	263	#ifndef EV_USE_POLL
251	# ifdef _WIN32	264	# ifdef _WIN32
252	# define EV_USE_POLL 0	265	# define EV_USE_POLL 0
253	# else	266	# else
254	# define EV_USE_POLL 1	267	# define EV_USE_POLL EV_FEATURE_BACKENDS
255	# endif	268	# endif
256	#endif	269	#endif
257		270
258	#ifndef EV_USE_EPOLL	271	#ifndef EV_USE_EPOLL
259	# if __linux && (__GLIBC__ > 2 \|\| (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))	272	# if __linux && (__GLIBC__ > 2 \|\| (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))
260	# define EV_USE_EPOLL 1	273	# define EV_USE_EPOLL EV_FEATURE_BACKENDS
261	# else	274	# else
262	# define EV_USE_EPOLL 0	275	# define EV_USE_EPOLL 0
263	# endif	276	# endif
264	#endif	277	#endif
265		278
…		…
271	# define EV_USE_PORT 0	284	# define EV_USE_PORT 0
272	#endif	285	#endif
273		286
274	#ifndef EV_USE_INOTIFY	287	#ifndef EV_USE_INOTIFY
275	# if __linux && (__GLIBC__ > 2 \|\| (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))	288	# if __linux && (__GLIBC__ > 2 \|\| (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))
276	# define EV_USE_INOTIFY 1	289	# define EV_USE_INOTIFY EV_FEATURE_OS
277	# else	290	# else
278	# define EV_USE_INOTIFY 0	291	# define EV_USE_INOTIFY 0
279	# endif	292	# endif
280	#endif	293	#endif
281		294
282	#ifndef EV_PID_HASHSIZE	295	#ifndef EV_PID_HASHSIZE
283	# if EV_MINIMAL	296	# 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	297	#endif
289		298
290	#ifndef EV_INOTIFY_HASHSIZE	299	#ifndef EV_INOTIFY_HASHSIZE
291	# if EV_MINIMAL	300	# 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	301	#endif
297		302
298	#ifndef EV_USE_EVENTFD	303	#ifndef EV_USE_EVENTFD
299	# if __linux && (__GLIBC__ > 2 \|\| (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7))	304	# if __linux && (__GLIBC__ > 2 \|\| (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7))
300	# define EV_USE_EVENTFD 1	305	# define EV_USE_EVENTFD EV_FEATURE_OS
301	# else	306	# else
302	# define EV_USE_EVENTFD 0	307	# define EV_USE_EVENTFD 0
303	# endif	308	# endif
304	#endif	309	#endif
305		310
306	#ifndef EV_USE_SIGNALFD	311	#ifndef EV_USE_SIGNALFD
307	# if __linux && (__GLIBC__ > 2 \|\| (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7))	312	# if __linux && (__GLIBC__ > 2 \|\| (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7))
308	# define EV_USE_SIGNALFD 1	313	# define EV_USE_SIGNALFD EV_FEATURE_OS
309	# else	314	# else
310	# define EV_USE_SIGNALFD 0	315	# define EV_USE_SIGNALFD 0
311	# endif	316	# endif
312	#endif	317	#endif
313		318
…		…
316	# define EV_USE_4HEAP 1	321	# define EV_USE_4HEAP 1
317	# define EV_HEAP_CACHE_AT 1	322	# define EV_HEAP_CACHE_AT 1
318	#endif	323	#endif
319		324
320	#ifndef EV_VERIFY	325	#ifndef EV_VERIFY
321	# define EV_VERIFY !EV_MINIMAL	326	# define EV_VERIFY (EV_FEATURE_API ? 1 : 0)
322	#endif	327	#endif
323		328
324	#ifndef EV_USE_4HEAP	329	#ifndef EV_USE_4HEAP
325	# define EV_USE_4HEAP !EV_MINIMAL	330	# define EV_USE_4HEAP EV_FEATURE_DATA
326	#endif	331	#endif
327		332
328	#ifndef EV_HEAP_CACHE_AT	333	#ifndef EV_HEAP_CACHE_AT
329	# define EV_HEAP_CACHE_AT !EV_MINIMAL	334	# define EV_HEAP_CACHE_AT EV_FEATURE_DATA
330	#endif	335	#endif
331		336
332	/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */	337	/* 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. */	338	/* which makes programs even slower. might work on other unices, too. */
334	#if EV_USE_CLOCK_SYSCALL	339	#if EV_USE_CLOCK_SYSCALL
…		…
343	# endif	348	# endif
344	#endif	349	#endif
345		350
346	/* this block fixes any misconfiguration where we know we run into trouble otherwise */	351	/* this block fixes any misconfiguration where we know we run into trouble otherwise */
347		352
		353	#ifdef _AIX
		354	/* AIX has a completely broken poll.h header */
		355	# undef EV_USE_POLL
		356	# define EV_USE_POLL 0
		357	#endif
		358
348	#ifndef CLOCK_MONOTONIC	359	#ifndef CLOCK_MONOTONIC
349	# undef EV_USE_MONOTONIC	360	# undef EV_USE_MONOTONIC
350	# define EV_USE_MONOTONIC 0	361	# define EV_USE_MONOTONIC 0
351	#endif	362	#endif
352		363
…		…
395	# endif	406	# endif
396	# endif	407	# endif
397	# ifdef __cplusplus	408	# ifdef __cplusplus
398	extern "C" {	409	extern "C" {
399	# endif	410	# endif
400	int eventfd (unsigned int initval, int flags);	411	int (eventfd) (unsigned int initval, int flags);
401	# ifdef __cplusplus	412	# ifdef __cplusplus
402	}	413	}
403	# endif	414	# endif
404	#endif	415	#endif
405		416
…		…
433		444
434		445
435	/**/	446	/**/
436		447
437	#if EV_VERIFY >= 3	448	#if EV_VERIFY >= 3
438	# define EV_FREQUENT_CHECK ev_loop_verify (EV_A)	449	# define EV_FREQUENT_CHECK ev_verify (EV_A)
439	#else	450	#else
440	# define EV_FREQUENT_CHECK do { } while (0)	451	# define EV_FREQUENT_CHECK do { } while (0)
441	#endif	452	#endif
442		453
443	/*	454	/*
…		…
466		477
467	#define expect_false(expr) expect ((expr) != 0, 0)	478	#define expect_false(expr) expect ((expr) != 0, 0)
468	#define expect_true(expr) expect ((expr) != 0, 1)	479	#define expect_true(expr) expect ((expr) != 0, 1)
469	#define inline_size static inline	480	#define inline_size static inline
470		481
471	#if EV_MINIMAL	482	#if EV_FEATURE_CODE
		483	# define inline_speed static inline
		484	#else
472	# define inline_speed static noinline	485	# define inline_speed static noinline
473	#else
474	# define inline_speed static inline
475	#endif	486	#endif
476		487
477	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)	488	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
478		489
479	#if EV_MINPRI == EV_MAXPRI	490	#if EV_MINPRI == EV_MAXPRI
…		…
504		515
505	#ifndef EV_FD_TO_WIN32_HANDLE	516	#ifndef EV_FD_TO_WIN32_HANDLE
506	# define EV_FD_TO_WIN32_HANDLE(fd) _get_osfhandle (fd)	517	# define EV_FD_TO_WIN32_HANDLE(fd) _get_osfhandle (fd)
507	#endif	518	#endif
508	#ifndef EV_WIN32_HANDLE_TO_FD	519	#ifndef EV_WIN32_HANDLE_TO_FD
509	# define EV_WIN32_HANDLE_TO_FD(handle) _open_osfhandle (fd, 0)	520	# define EV_WIN32_HANDLE_TO_FD(handle) _open_osfhandle (handle, 0)
510	#endif	521	#endif
511	#ifndef EV_WIN32_CLOSE_FD	522	#ifndef EV_WIN32_CLOSE_FD
512	# define EV_WIN32_CLOSE_FD(fd) close (fd)	523	# define EV_WIN32_CLOSE_FD(fd) close (fd)
513	#endif	524	#endif
514		525
515	#ifdef _WIN32	526	#ifdef _WIN32
516	# include "ev_win32.c"	527	# include "ev_win32.c"
517	#endif	528	#endif
518		529
519	/*****************************************************************************/	530	/*****************************************************************************/
		531
		532	#if EV_AVOID_STDIO
		533	static void noinline
		534	ev_printerr (const char *msg)
		535	{
		536	write (STDERR_FILENO, msg, strlen (msg));
		537	}
		538	#endif
520		539
521	static void (syserr_cb)(const char msg);	540	static void (syserr_cb)(const char msg);
522		541
523	void	542	void
524	ev_set_syserr_cb (void (cb)(const char msg))	543	ev_set_syserr_cb (void (cb)(const char msg))
…		…
534		553
535	if (syserr_cb)	554	if (syserr_cb)
536	syserr_cb (msg);	555	syserr_cb (msg);
537	else	556	else
538	{	557	{
		558	#if EV_AVOID_STDIO
		559	const char *err = strerror (errno);
		560
		561	ev_printerr (msg);
		562	ev_printerr (": ");
		563	ev_printerr (err);
		564	ev_printerr ("\n");
		565	#else
539	perror (msg);	566	perror (msg);
		567	#endif
540	abort ();	568	abort ();
541	}	569	}
542	}	570	}
543		571
544	static void *	572	static void *
545	ev_realloc_emul (void *ptr, long size)	573	ev_realloc_emul (void *ptr, long size)
546	{	574	{
		575	#if __GLIBC__
		576	return realloc (ptr, size);
		577	#else
547	/* some systems, notably openbsd and darwin, fail to properly	578	/* some systems, notably openbsd and darwin, fail to properly
548	* implement realloc (x, 0) (as required by both ansi c-98 and	579	* implement realloc (x, 0) (as required by both ansi c-89 and
549	* the single unix specification, so work around them here.	580	* the single unix specification, so work around them here.
550	*/	581	*/
551		582
552	if (size)	583	if (size)
553	return realloc (ptr, size);	584	return realloc (ptr, size);
554		585
555	free (ptr);	586	free (ptr);
556	return 0;	587	return 0;
		588	#endif
557	}	589	}
558		590
559	static void (alloc)(void *ptr, long size) = ev_realloc_emul;	591	static void (alloc)(void *ptr, long size) = ev_realloc_emul;
560		592
561	void	593	void
…		…
569	{	601	{
570	ptr = alloc (ptr, size);	602	ptr = alloc (ptr, size);
571		603
572	if (!ptr && size)	604	if (!ptr && size)
573	{	605	{
		606	#if EV_AVOID_STDIO
		607	ev_printerr ("libev: memory allocation failed, aborting.\n");
		608	#else
574	fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size);	609	fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size);
		610	#endif
575	abort ();	611	abort ();
576	}	612	}
577		613
578	return ptr;	614	return ptr;
579	}	615	}
…		…
661		697
662	static int ev_default_loop_ptr;	698	static int ev_default_loop_ptr;
663		699
664	#endif	700	#endif
665		701
666	#if EV_MINIMAL < 2	702	#if EV_FEATURE_API
667	# define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A)	703	# 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)	704	# define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A)
669	# define EV_INVOKE_PENDING invoke_cb (EV_A)	705	# define EV_INVOKE_PENDING invoke_cb (EV_A)
670	#else	706	#else
671	# define EV_RELEASE_CB (void)0	707	# define EV_RELEASE_CB (void)0
…		…
856	}	892	}
857		893
858	/*****************************************************************************/	894	/*****************************************************************************/
859		895
860	inline_speed void	896	inline_speed void
861	fd_event_nc (EV_P_ int fd, int revents)	897	fd_event_nocheck (EV_P_ int fd, int revents)
862	{	898	{
863	ANFD *anfd = anfds + fd;	899	ANFD *anfd = anfds + fd;
864	ev_io *w;	900	ev_io *w;
865		901
866	for (w = (ev_io )anfd->head; w; w = (ev_io )((WL)w)->next)	902	for (w = (ev_io )anfd->head; w; w = (ev_io )((WL)w)->next)
…		…
878	fd_event (EV_P_ int fd, int revents)	914	fd_event (EV_P_ int fd, int revents)
879	{	915	{
880	ANFD *anfd = anfds + fd;	916	ANFD *anfd = anfds + fd;
881		917
882	if (expect_true (!anfd->reify))	918	if (expect_true (!anfd->reify))
883	fd_event_nc (EV_A_ fd, revents);	919	fd_event_nocheck (EV_A_ fd, revents);
884	}	920	}
885		921
886	void	922	void
887	ev_feed_fd_event (EV_P_ int fd, int revents)	923	ev_feed_fd_event (EV_P_ int fd, int revents)
888	{	924	{
889	if (fd >= 0 && fd < anfdmax)	925	if (fd >= 0 && fd < anfdmax)
890	fd_event_nc (EV_A_ fd, revents);	926	fd_event_nocheck (EV_A_ fd, revents);
891	}	927	}
892		928
893	/* make sure the external fd watch events are in-sync */	929	/* make sure the external fd watch events are in-sync */
894	/* with the kernel/libev internal state */	930	/* with the kernel/libev internal state */
895	inline_size void	931	inline_size void
…		…
958	ev_io_stop (EV_A_ w);	994	ev_io_stop (EV_A_ w);
959	ev_feed_event (EV_A_ (W)w, EV_ERROR \| EV_READ \| EV_WRITE);	995	ev_feed_event (EV_A_ (W)w, EV_ERROR \| EV_READ \| EV_WRITE);
960	}	996	}
961	}	997	}
962		998
963	/* check whether the given fd is atcually valid, for error recovery */	999	/* check whether the given fd is actually valid, for error recovery */
964	inline_size int	1000	inline_size int
965	fd_valid (int fd)	1001	fd_valid (int fd)
966	{	1002	{
967	#ifdef _WIN32	1003	#ifdef _WIN32
968	return _get_osfhandle (fd) != -1;	1004	return EV_FD_TO_WIN32_HANDLE (fd) != -1;
969	#else	1005	#else
970	return fcntl (fd, F_GETFD) != -1;	1006	return fcntl (fd, F_GETFD) != -1;
971	#endif	1007	#endif
972	}	1008	}
973		1009
…		…
1008	{	1044	{
1009	anfds [fd].events = 0;	1045	anfds [fd].events = 0;
1010	anfds [fd].emask = 0;	1046	anfds [fd].emask = 0;
1011	fd_change (EV_A_ fd, EV__IOFDSET \| EV_ANFD_REIFY);	1047	fd_change (EV_A_ fd, EV__IOFDSET \| EV_ANFD_REIFY);
1012	}	1048	}
		1049	}
		1050
		1051	/* used to prepare libev internal fd's */
		1052	/* this is not fork-safe */
		1053	inline_speed void
		1054	fd_intern (int fd)
		1055	{
		1056	#ifdef _WIN32
		1057	unsigned long arg = 1;
		1058	ioctlsocket (EV_FD_TO_WIN32_HANDLE (fd), FIONBIO, &arg);
		1059	#else
		1060	fcntl (fd, F_SETFD, FD_CLOEXEC);
		1061	fcntl (fd, F_SETFL, O_NONBLOCK);
		1062	#endif
1013	}	1063	}
1014		1064
1015	/*****************************************************************************/	1065	/*****************************************************************************/
1016		1066
1017	/*	1067	/*
…		…
1171		1221
1172	static ANSIG signals [EV_NSIG - 1];	1222	static ANSIG signals [EV_NSIG - 1];
1173		1223
1174	/*****************************************************************************/	1224	/*****************************************************************************/
1175		1225
1176	/* used to prepare libev internal fd's */	1226	#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		1227
1190	static void noinline	1228	static void noinline
1191	evpipe_init (EV_P)	1229	evpipe_init (EV_P)
1192	{	1230	{
1193	if (!ev_is_active (&pipe_w))	1231	if (!ev_is_active (&pipe_w))
1194	{	1232	{
1195	#if EV_USE_EVENTFD	1233	# if EV_USE_EVENTFD
1196	evfd = eventfd (0, EFD_NONBLOCK \| EFD_CLOEXEC);	1234	evfd = eventfd (0, EFD_NONBLOCK \| EFD_CLOEXEC);
1197	if (evfd < 0 && errno == EINVAL)	1235	if (evfd < 0 && errno == EINVAL)
1198	evfd = eventfd (0, 0);	1236	evfd = eventfd (0, 0);
1199		1237
1200	if (evfd >= 0)	1238	if (evfd >= 0)
…		…
1202	evpipe [0] = -1;	1240	evpipe [0] = -1;
1203	fd_intern (evfd); /* doing it twice doesn't hurt */	1241	fd_intern (evfd); /* doing it twice doesn't hurt */
1204	ev_io_set (&pipe_w, evfd, EV_READ);	1242	ev_io_set (&pipe_w, evfd, EV_READ);
1205	}	1243	}
1206	else	1244	else
1207	#endif	1245	# endif
1208	{	1246	{
1209	while (pipe (evpipe))	1247	while (pipe (evpipe))
1210	ev_syserr ("(libev) error creating signal/async pipe");	1248	ev_syserr ("(libev) error creating signal/async pipe");
1211		1249
1212	fd_intern (evpipe [0]);	1250	fd_intern (evpipe [0]);
…		…
1223	evpipe_write (EV_P_ EV_ATOMIC_T *flag)	1261	evpipe_write (EV_P_ EV_ATOMIC_T *flag)
1224	{	1262	{
1225	if (!*flag)	1263	if (!*flag)
1226	{	1264	{
1227	int old_errno = errno; /* save errno because write might clobber it */	1265	int old_errno = errno; /* save errno because write might clobber it */
		1266	char dummy;
1228		1267
1229	*flag = 1;	1268	*flag = 1;
1230		1269
1231	#if EV_USE_EVENTFD	1270	#if EV_USE_EVENTFD
1232	if (evfd >= 0)	1271	if (evfd >= 0)
…		…
1234	uint64_t counter = 1;	1273	uint64_t counter = 1;
1235	write (evfd, &counter, sizeof (uint64_t));	1274	write (evfd, &counter, sizeof (uint64_t));
1236	}	1275	}
1237	else	1276	else
1238	#endif	1277	#endif
1239	write (evpipe [1], &old_errno, 1);	1278	write (evpipe [1], &dummy, 1);
1240		1279
1241	errno = old_errno;	1280	errno = old_errno;
1242	}	1281	}
1243	}	1282	}
1244		1283
…		…
1293	{	1332	{
1294	#if EV_MULTIPLICITY	1333	#if EV_MULTIPLICITY
1295	EV_P = signals [signum - 1].loop;	1334	EV_P = signals [signum - 1].loop;
1296	#endif	1335	#endif
1297		1336
1298	#if _WIN32	1337	#ifdef _WIN32
1299	signal (signum, ev_sighandler);	1338	signal (signum, ev_sighandler);
1300	#endif	1339	#endif
1301		1340
1302	signals [signum - 1].pending = 1;	1341	signals [signum - 1].pending = 1;
1303	evpipe_write (EV_A_ &sig_pending);	1342	evpipe_write (EV_A_ &sig_pending);
…		…
1345	break;	1384	break;
1346	}	1385	}
1347	}	1386	}
1348	#endif	1387	#endif
1349		1388
		1389	#endif
		1390
1350	/*****************************************************************************/	1391	/*****************************************************************************/
1351		1392
		1393	#if EV_CHILD_ENABLE
1352	static WL childs [EV_PID_HASHSIZE];	1394	static WL childs [EV_PID_HASHSIZE];
1353
1354	#ifndef _WIN32
1355		1395
1356	static ev_signal childev;	1396	static ev_signal childev;
1357		1397
1358	#ifndef WIFCONTINUED	1398	#ifndef WIFCONTINUED
1359	# define WIFCONTINUED(status) 0	1399	# define WIFCONTINUED(status) 0
…		…
1364	child_reap (EV_P_ int chain, int pid, int status)	1404	child_reap (EV_P_ int chain, int pid, int status)
1365	{	1405	{
1366	ev_child *w;	1406	ev_child *w;
1367	int traced = WIFSTOPPED (status) \|\| WIFCONTINUED (status);	1407	int traced = WIFSTOPPED (status) \|\| WIFCONTINUED (status);
1368		1408
1369	for (w = (ev_child )childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child )((WL)w)->next)	1409	for (w = (ev_child )childs [chain & ((EV_PID_HASHSIZE) - 1)]; w; w = (ev_child )((WL)w)->next)
1370	{	1410	{
1371	if ((w->pid == pid \|\| !w->pid)	1411	if ((w->pid == pid \|\| !w->pid)
1372	&& (!traced \|\| (w->flags & 1)))	1412	&& (!traced \|\| (w->flags & 1)))
1373	{	1413	{
1374	ev_set_priority (w, EV_MAXPRI); /* need to do it now, this must be the same prio as the signal watcher itself */	1414	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 */	1439	/* 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 */	1440	/* 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);	1441	ev_feed_event (EV_A_ (W)sw, EV_SIGNAL);
1402		1442
1403	child_reap (EV_A_ pid, pid, status);	1443	child_reap (EV_A_ pid, pid, status);
1404	if (EV_PID_HASHSIZE > 1)	1444	if ((EV_PID_HASHSIZE) > 1)
1405	child_reap (EV_A_ 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */	1445	child_reap (EV_A_ 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */
1406	}	1446	}
1407		1447
1408	#endif	1448	#endif
1409		1449
…		…
1476	#ifdef __APPLE__	1516	#ifdef __APPLE__
1477	/* only select works correctly on that "unix-certified" platform */	1517	/* only select works correctly on that "unix-certified" platform */
1478	flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */	1518	flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */
1479	flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */	1519	flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */
1480	#endif	1520	#endif
		1521	#ifdef __FreeBSD__
		1522	flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */
		1523	#endif
1481		1524
1482	return flags;	1525	return flags;
1483	}	1526	}
1484		1527
1485	unsigned int	1528	unsigned int
…		…
1498	ev_backend (EV_P)	1541	ev_backend (EV_P)
1499	{	1542	{
1500	return backend;	1543	return backend;
1501	}	1544	}
1502		1545
1503	#if EV_MINIMAL < 2	1546	#if EV_FEATURE_API
1504	unsigned int	1547	unsigned int
1505	ev_loop_count (EV_P)	1548	ev_iteration (EV_P)
1506	{	1549	{
1507	return loop_count;	1550	return loop_count;
1508	}	1551	}
1509		1552
1510	unsigned int	1553	unsigned int
1511	ev_loop_depth (EV_P)	1554	ev_depth (EV_P)
1512	{	1555	{
1513	return loop_depth;	1556	return loop_depth;
1514	}	1557	}
1515		1558
1516	void	1559	void
…		…
1588		1631
1589	ev_rt_now = ev_time ();	1632	ev_rt_now = ev_time ();
1590	mn_now = get_clock ();	1633	mn_now = get_clock ();
1591	now_floor = mn_now;	1634	now_floor = mn_now;
1592	rtmn_diff = ev_rt_now - mn_now;	1635	rtmn_diff = ev_rt_now - mn_now;
1593	#if EV_MINIMAL < 2	1636	#if EV_FEATURE_API
1594	invoke_cb = ev_invoke_pending;	1637	invoke_cb = ev_invoke_pending;
1595	#endif	1638	#endif
1596		1639
1597	io_blocktime = 0.;	1640	io_blocktime = 0.;
1598	timeout_blocktime = 0.;	1641	timeout_blocktime = 0.;
…		…
1604	#endif	1647	#endif
1605	#if EV_USE_INOTIFY	1648	#if EV_USE_INOTIFY
1606	fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;	1649	fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;
1607	#endif	1650	#endif
1608	#if EV_USE_SIGNALFD	1651	#if EV_USE_SIGNALFD
1609	sigfd = flags & EVFLAG_NOSIGFD ? -1 : -2;	1652	sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;
1610	#endif	1653	#endif
1611		1654
1612	if (!(flags & 0x0000ffffU))	1655	if (!(flags & 0x0000ffffU))
1613	flags \|= ev_recommended_backends ();	1656	flags \|= ev_recommended_backends ();
1614		1657
…		…
1628	if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags);	1671	if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags);
1629	#endif	1672	#endif
1630		1673
1631	ev_prepare_init (&pending_w, pendingcb);	1674	ev_prepare_init (&pending_w, pendingcb);
1632		1675
		1676	#if EV_SIGNAL_ENABLE \|\| EV_ASYNC_ENABLE
1633	ev_init (&pipe_w, pipecb);	1677	ev_init (&pipe_w, pipecb);
1634	ev_set_priority (&pipe_w, EV_MAXPRI);	1678	ev_set_priority (&pipe_w, EV_MAXPRI);
		1679	#endif
1635	}	1680	}
1636	}	1681	}
1637		1682
1638	/* free up a loop structure */	1683	/* free up a loop structure */
1639	static void noinline	1684	static void noinline
…		…
1757	{	1802	{
1758	EV_WIN32_CLOSE_FD (evpipe [0]);	1803	EV_WIN32_CLOSE_FD (evpipe [0]);
1759	EV_WIN32_CLOSE_FD (evpipe [1]);	1804	EV_WIN32_CLOSE_FD (evpipe [1]);
1760	}	1805	}
1761		1806
		1807	#if EV_SIGNAL_ENABLE \|\| EV_ASYNC_ENABLE
1762	evpipe_init (EV_A);	1808	evpipe_init (EV_A);
1763	/* now iterate over everything, in case we missed something */	1809	/* now iterate over everything, in case we missed something */
1764	pipecb (EV_A_ &pipe_w, EV_READ);	1810	pipecb (EV_A_ &pipe_w, EV_READ);
		1811	#endif
1765	}	1812	}
1766		1813
1767	postfork = 0;	1814	postfork = 0;
1768	}	1815	}
1769		1816
…		…
1831	verify_watcher (EV_A_ ws [cnt]);	1878	verify_watcher (EV_A_ ws [cnt]);
1832	}	1879	}
1833	}	1880	}
1834	#endif	1881	#endif
1835		1882
1836	#if EV_MINIMAL < 2	1883	#if EV_FEATURE_API
1837	void	1884	void
1838	ev_loop_verify (EV_P)	1885	ev_verify (EV_P)
1839	{	1886	{
1840	#if EV_VERIFY	1887	#if EV_VERIFY
1841	int i;	1888	int i;
1842	WL w;	1889	WL w;
1843		1890
…		…
1882	#if EV_ASYNC_ENABLE	1929	#if EV_ASYNC_ENABLE
1883	assert (asyncmax >= asynccnt);	1930	assert (asyncmax >= asynccnt);
1884	array_verify (EV_A_ (W *)asyncs, asynccnt);	1931	array_verify (EV_A_ (W *)asyncs, asynccnt);
1885	#endif	1932	#endif
1886		1933
		1934	#if EV_PREPARE_ENABLE
1887	assert (preparemax >= preparecnt);	1935	assert (preparemax >= preparecnt);
1888	array_verify (EV_A_ (W *)prepares, preparecnt);	1936	array_verify (EV_A_ (W *)prepares, preparecnt);
		1937	#endif
1889		1938
		1939	#if EV_CHECK_ENABLE
1890	assert (checkmax >= checkcnt);	1940	assert (checkmax >= checkcnt);
1891	array_verify (EV_A_ (W *)checks, checkcnt);	1941	array_verify (EV_A_ (W *)checks, checkcnt);
		1942	#endif
1892		1943
1893	# if 0	1944	# if 0
		1945	#if EV_CHILD_ENABLE
1894	for (w = (ev_child )childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child )((WL)w)->next)	1946	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)	1947	for (signum = EV_NSIG; signum--; ) if (signals [signum].pending)
		1948	#endif
1896	# endif	1949	# endif
1897	#endif	1950	#endif
1898	}	1951	}
1899	#endif	1952	#endif
1900		1953
…		…
1916		1969
1917	loop_init (EV_A_ flags);	1970	loop_init (EV_A_ flags);
1918		1971
1919	if (ev_backend (EV_A))	1972	if (ev_backend (EV_A))
1920	{	1973	{
1921	#ifndef _WIN32	1974	#if EV_CHILD_ENABLE
1922	ev_signal_init (&childev, childcb, SIGCHLD);	1975	ev_signal_init (&childev, childcb, SIGCHLD);
1923	ev_set_priority (&childev, EV_MAXPRI);	1976	ev_set_priority (&childev, EV_MAXPRI);
1924	ev_signal_start (EV_A_ &childev);	1977	ev_signal_start (EV_A_ &childev);
1925	ev_unref (EV_A); /* child watcher should not keep loop alive */	1978	ev_unref (EV_A); /* child watcher should not keep loop alive */
1926	#endif	1979	#endif
…		…
1939	EV_P = ev_default_loop_ptr;	1992	EV_P = ev_default_loop_ptr;
1940	#endif	1993	#endif
1941		1994
1942	ev_default_loop_ptr = 0;	1995	ev_default_loop_ptr = 0;
1943		1996
1944	#ifndef _WIN32	1997	#if EV_CHILD_ENABLE
1945	ev_ref (EV_A); /* child watcher */	1998	ev_ref (EV_A); /* child watcher */
1946	ev_signal_stop (EV_A_ &childev);	1999	ev_signal_stop (EV_A_ &childev);
1947	#endif	2000	#endif
1948		2001
1949	loop_destroy (EV_A);	2002	loop_destroy (EV_A);
…		…
2055	EV_FREQUENT_CHECK;	2108	EV_FREQUENT_CHECK;
2056	feed_reverse (EV_A_ (W)w);	2109	feed_reverse (EV_A_ (W)w);
2057	}	2110	}
2058	while (timercnt && ANHE_at (timers [HEAP0]) < mn_now);	2111	while (timercnt && ANHE_at (timers [HEAP0]) < mn_now);
2059		2112
2060	feed_reverse_done (EV_A_ EV_TIMEOUT);	2113	feed_reverse_done (EV_A_ EV_TIMER);
2061	}	2114	}
2062	}	2115	}
2063		2116
2064	#if EV_PERIODIC_ENABLE	2117	#if EV_PERIODIC_ENABLE
2065	/* make periodics pending */	2118	/* make periodics pending */
…		…
2156	ANHE_at_cache (*he);	2209	ANHE_at_cache (*he);
2157	}	2210	}
2158	}	2211	}
2159		2212
2160	/* fetch new monotonic and realtime times from the kernel */	2213	/* fetch new monotonic and realtime times from the kernel */
2161	/* also detetc if there was a timejump, and act accordingly */	2214	/* also detect if there was a timejump, and act accordingly */
2162	inline_speed void	2215	inline_speed void
2163	time_update (EV_P_ ev_tstamp max_block)	2216	time_update (EV_P_ ev_tstamp max_block)
2164	{	2217	{
2165	#if EV_USE_MONOTONIC	2218	#if EV_USE_MONOTONIC
2166	if (expect_true (have_monotonic))	2219	if (expect_true (have_monotonic))
…		…
2226	}	2279	}
2227		2280
2228	void	2281	void
2229	ev_loop (EV_P_ int flags)	2282	ev_loop (EV_P_ int flags)
2230	{	2283	{
2231	#if EV_MINIMAL < 2	2284	#if EV_FEATURE_API
2232	++loop_depth;	2285	++loop_depth;
2233	#endif	2286	#endif
2234		2287
2235	assert (("libev: ev_loop recursion during release detected", loop_done != EVUNLOOP_RECURSE));	2288	assert (("libev: ev_loop recursion during release detected", loop_done != EVUNLOOP_RECURSE));
2236		2289
…		…
2239	EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */	2292	EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */
2240		2293
2241	do	2294	do
2242	{	2295	{
2243	#if EV_VERIFY >= 2	2296	#if EV_VERIFY >= 2
2244	ev_loop_verify (EV_A);	2297	ev_verify (EV_A);
2245	#endif	2298	#endif
2246		2299
2247	#ifndef _WIN32	2300	#ifndef _WIN32
2248	if (expect_false (curpid)) /* penalise the forking check even more */	2301	if (expect_false (curpid)) /* penalise the forking check even more */
2249	if (expect_false (getpid () != curpid))	2302	if (expect_false (getpid () != curpid))
…		…
2261	queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);	2314	queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);
2262	EV_INVOKE_PENDING;	2315	EV_INVOKE_PENDING;
2263	}	2316	}
2264	#endif	2317	#endif
2265		2318
		2319	#if EV_PREPARE_ENABLE
2266	/* queue prepare watchers (and execute them) */	2320	/* queue prepare watchers (and execute them) */
2267	if (expect_false (preparecnt))	2321	if (expect_false (preparecnt))
2268	{	2322	{
2269	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);	2323	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
2270	EV_INVOKE_PENDING;	2324	EV_INVOKE_PENDING;
2271	}	2325	}
		2326	#endif
2272		2327
2273	if (expect_false (loop_done))	2328	if (expect_false (loop_done))
2274	break;	2329	break;
2275		2330
2276	/* we might have forked, so reify kernel state if necessary */	2331	/* we might have forked, so reify kernel state if necessary */
…		…
2327	waittime -= sleeptime;	2382	waittime -= sleeptime;
2328	}	2383	}
2329	}	2384	}
2330	}	2385	}
2331		2386
2332	#if EV_MINIMAL < 2	2387	#if EV_FEATURE_API
2333	++loop_count;	2388	++loop_count;
2334	#endif	2389	#endif
2335	assert ((loop_done = EVUNLOOP_RECURSE, 1)); /* assert for side effect */	2390	assert ((loop_done = EVUNLOOP_RECURSE, 1)); /* assert for side effect */
2336	backend_poll (EV_A_ waittime);	2391	backend_poll (EV_A_ waittime);
2337	assert ((loop_done = EVUNLOOP_CANCEL, 1)); /* assert for side effect */	2392	assert ((loop_done = EVUNLOOP_CANCEL, 1)); /* assert for side effect */
…		…
2349	#if EV_IDLE_ENABLE	2404	#if EV_IDLE_ENABLE
2350	/* queue idle watchers unless other events are pending */	2405	/* queue idle watchers unless other events are pending */
2351	idle_reify (EV_A);	2406	idle_reify (EV_A);
2352	#endif	2407	#endif
2353		2408
		2409	#if EV_CHECK_ENABLE
2354	/* queue check watchers, to be executed first */	2410	/* queue check watchers, to be executed first */
2355	if (expect_false (checkcnt))	2411	if (expect_false (checkcnt))
2356	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);	2412	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
		2413	#endif
2357		2414
2358	EV_INVOKE_PENDING;	2415	EV_INVOKE_PENDING;
2359	}	2416	}
2360	while (expect_true (	2417	while (expect_true (
2361	activecnt	2418	activecnt
…		…
2364	));	2421	));
2365		2422
2366	if (loop_done == EVUNLOOP_ONE)	2423	if (loop_done == EVUNLOOP_ONE)
2367	loop_done = EVUNLOOP_CANCEL;	2424	loop_done = EVUNLOOP_CANCEL;
2368		2425
2369	#if EV_MINIMAL < 2	2426	#if EV_FEATURE_API
2370	--loop_depth;	2427	--loop_depth;
2371	#endif	2428	#endif
2372	}	2429	}
2373		2430
2374	void	2431	void
…		…
2500		2557
2501	if (expect_false (ev_is_active (w)))	2558	if (expect_false (ev_is_active (w)))
2502	return;	2559	return;
2503		2560
2504	assert (("libev: ev_io_start called with negative fd", fd >= 0));	2561	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))));	2562	assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET \| EV_READ \| EV_WRITE))));
2506		2563
2507	EV_FREQUENT_CHECK;	2564	EV_FREQUENT_CHECK;
2508		2565
2509	ev_start (EV_A_ (W)w, 1);	2566	ev_start (EV_A_ (W)w, 1);
2510	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);	2567	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);
…		…
2580	timers [active] = timers [timercnt + HEAP0];	2637	timers [active] = timers [timercnt + HEAP0];
2581	adjustheap (timers, timercnt, active);	2638	adjustheap (timers, timercnt, active);
2582	}	2639	}
2583	}	2640	}
2584		2641
2585	EV_FREQUENT_CHECK;
2586
2587	ev_at (w) -= mn_now;	2642	ev_at (w) -= mn_now;
2588		2643
2589	ev_stop (EV_A_ (W)w);	2644	ev_stop (EV_A_ (W)w);
		2645
		2646	EV_FREQUENT_CHECK;
2590	}	2647	}
2591		2648
2592	void noinline	2649	void noinline
2593	ev_timer_again (EV_P_ ev_timer *w)	2650	ev_timer_again (EV_P_ ev_timer *w)
2594	{	2651	{
…		…
2673	periodics [active] = periodics [periodiccnt + HEAP0];	2730	periodics [active] = periodics [periodiccnt + HEAP0];
2674	adjustheap (periodics, periodiccnt, active);	2731	adjustheap (periodics, periodiccnt, active);
2675	}	2732	}
2676	}	2733	}
2677		2734
2678	EV_FREQUENT_CHECK;
2679
2680	ev_stop (EV_A_ (W)w);	2735	ev_stop (EV_A_ (W)w);
		2736
		2737	EV_FREQUENT_CHECK;
2681	}	2738	}
2682		2739
2683	void noinline	2740	void noinline
2684	ev_periodic_again (EV_P_ ev_periodic *w)	2741	ev_periodic_again (EV_P_ ev_periodic *w)
2685	{	2742	{
…		…
2690	#endif	2747	#endif
2691		2748
2692	#ifndef SA_RESTART	2749	#ifndef SA_RESTART
2693	# define SA_RESTART 0	2750	# define SA_RESTART 0
2694	#endif	2751	#endif
		2752
		2753	#if EV_SIGNAL_ENABLE
2695		2754
2696	void noinline	2755	void noinline
2697	ev_signal_start (EV_P_ ev_signal *w)	2756	ev_signal_start (EV_P_ ev_signal *w)
2698	{	2757	{
2699	if (expect_false (ev_is_active (w)))	2758	if (expect_false (ev_is_active (w)))
…		…
2746	if (!((WL)w)->next)	2805	if (!((WL)w)->next)
2747	# if EV_USE_SIGNALFD	2806	# if EV_USE_SIGNALFD
2748	if (sigfd < 0) /TODO/	2807	if (sigfd < 0) /TODO/
2749	# endif	2808	# endif
2750	{	2809	{
2751	# if _WIN32	2810	# ifdef _WIN32
2752	evpipe_init (EV_A);	2811	evpipe_init (EV_A);
2753		2812
2754	signal (w->signum, ev_sighandler);	2813	signal (w->signum, ev_sighandler);
2755	# else	2814	# else
2756	struct sigaction sa;	2815	struct sigaction sa;
…		…
2789	signals [w->signum - 1].loop = 0; /* unattach from signal */	2848	signals [w->signum - 1].loop = 0; /* unattach from signal */
2790	#endif	2849	#endif
2791	#if EV_USE_SIGNALFD	2850	#if EV_USE_SIGNALFD
2792	if (sigfd >= 0)	2851	if (sigfd >= 0)
2793	{	2852	{
2794	sigprocmask (SIG_UNBLOCK, &sigfd_set, 0);//D	2853	sigset_t ss;
		2854
		2855	sigemptyset (&ss);
		2856	sigaddset (&ss, w->signum);
2795	sigdelset (&sigfd_set, w->signum);	2857	sigdelset (&sigfd_set, w->signum);
		2858
2796	signalfd (sigfd, &sigfd_set, 0);	2859	signalfd (sigfd, &sigfd_set, 0);
2797	sigprocmask (SIG_BLOCK, &sigfd_set, 0);//D	2860	sigprocmask (SIG_UNBLOCK, &ss, 0);
2798	/TODO: maybe unblock signal? /
2799	}	2861	}
2800	else	2862	else
2801	#endif	2863	#endif
2802	signal (w->signum, SIG_DFL);	2864	signal (w->signum, SIG_DFL);
2803	}	2865	}
2804		2866
2805	EV_FREQUENT_CHECK;	2867	EV_FREQUENT_CHECK;
2806	}	2868	}
2807		2869
		2870	#endif
		2871
		2872	#if EV_CHILD_ENABLE
		2873
2808	void	2874	void
2809	ev_child_start (EV_P_ ev_child *w)	2875	ev_child_start (EV_P_ ev_child *w)
2810	{	2876	{
2811	#if EV_MULTIPLICITY	2877	#if EV_MULTIPLICITY
2812	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));	2878	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
…		…
2815	return;	2881	return;
2816		2882
2817	EV_FREQUENT_CHECK;	2883	EV_FREQUENT_CHECK;
2818		2884
2819	ev_start (EV_A_ (W)w, 1);	2885	ev_start (EV_A_ (W)w, 1);
2820	wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);	2886	wlist_add (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w);
2821		2887
2822	EV_FREQUENT_CHECK;	2888	EV_FREQUENT_CHECK;
2823	}	2889	}
2824		2890
2825	void	2891	void
…		…
2829	if (expect_false (!ev_is_active (w)))	2895	if (expect_false (!ev_is_active (w)))
2830	return;	2896	return;
2831		2897
2832	EV_FREQUENT_CHECK;	2898	EV_FREQUENT_CHECK;
2833		2899
2834	wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);	2900	wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w);
2835	ev_stop (EV_A_ (W)w);	2901	ev_stop (EV_A_ (W)w);
2836		2902
2837	EV_FREQUENT_CHECK;	2903	EV_FREQUENT_CHECK;
2838	}	2904	}
		2905
		2906	#endif
2839		2907
2840	#if EV_STAT_ENABLE	2908	#if EV_STAT_ENABLE
2841		2909
2842	# ifdef _WIN32	2910	# ifdef _WIN32
2843	# undef lstat	2911	# undef lstat
…		…
2849	#define MIN_STAT_INTERVAL 0.1074891	2917	#define MIN_STAT_INTERVAL 0.1074891
2850		2918
2851	static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents);	2919	static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents);
2852		2920
2853	#if EV_USE_INOTIFY	2921	#if EV_USE_INOTIFY
2854	# define EV_INOTIFY_BUFSIZE 8192	2922
		2923	/* the * 2 is to allow for alignment padding, which for some reason is >> 8 */
		2924	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)
2855		2925
2856	static void noinline	2926	static void noinline
2857	infy_add (EV_P_ ev_stat *w)	2927	infy_add (EV_P_ ev_stat *w)
2858	{	2928	{
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);	2929	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);
2860		2930
2861	if (w->wd < 0)	2931	if (w->wd >= 0)
		2932	{
		2933	struct statfs sfs;
		2934
		2935	/* now local changes will be tracked by inotify, but remote changes won't */
		2936	/* unless the filesystem is known to be local, we therefore still poll */
		2937	/* also do poll on <2.6.25, but with normal frequency */
		2938
		2939	if (!fs_2625)
		2940	w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;
		2941	else if (!statfs (w->path, &sfs)
		2942	&& (sfs.f_type == 0x1373 /* devfs */
		2943	\|\| sfs.f_type == 0xEF53 /* ext2/3 */
		2944	\|\| sfs.f_type == 0x3153464a /* jfs */
		2945	\|\| sfs.f_type == 0x52654973 /* reiser3 */
		2946	\|\| sfs.f_type == 0x01021994 /* tempfs */
		2947	\|\| sfs.f_type == 0x58465342 /* xfs */))
		2948	w->timer.repeat = 0.; /* filesystem is local, kernel new enough */
		2949	else
		2950	w->timer.repeat = w->interval ? w->interval : NFS_STAT_INTERVAL; /* remote, use reduced frequency */
2862	{	2951	}
		2952	else
		2953	{
		2954	/* can't use inotify, continue to stat */
2863	w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;	2955	w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;
2864	ev_timer_again (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */
2865		2956
2866	/* monitor some parent directory for speedup hints */	2957	/* if path is not there, monitor some parent directory for speedup hints */
2867	/* note that exceeding the hardcoded path limit is not a correctness issue, */	2958	/* note that exceeding the hardcoded path limit is not a correctness issue, */
2868	/* but an efficiency issue only */	2959	/* but an efficiency issue only */
2869	if ((errno == ENOENT \|\| errno == EACCES) && strlen (w->path) < 4096)	2960	if ((errno == ENOENT \|\| errno == EACCES) && strlen (w->path) < 4096)
2870	{	2961	{
2871	char path [4096];	2962	char path [4096];
…		…
2887	while (w->wd < 0 && (errno == ENOENT \|\| errno == EACCES));	2978	while (w->wd < 0 && (errno == ENOENT \|\| errno == EACCES));
2888	}	2979	}
2889	}	2980	}
2890		2981
2891	if (w->wd >= 0)	2982	if (w->wd >= 0)
2892	{
2893	struct statfs sfs;
2894
2895	wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w);	2983	wlist_add (&fs_hash [w->wd & ((EV_INOTIFY_HASHSIZE) - 1)].head, (WL)w);
2896		2984
2897	/* now local changes will be tracked by inotify, but remote changes won't */	2985	/* now re-arm timer, if required */
2898	/* unless the filesystem is known to be local, we therefore still poll */	2986	if (ev_is_active (&w->timer)) ev_ref (EV_A);
2899	/* also do poll on <2.6.25, but with normal frequency */
2900
2901	if (fs_2625 && !statfs (w->path, &sfs))
2902	if (sfs.f_type == 0x1373 /* devfs */
2903	\|\| sfs.f_type == 0xEF53 /* ext2/3 */
2904	\|\| sfs.f_type == 0x3153464a /* jfs */
2905	\|\| sfs.f_type == 0x52654973 /* reiser3 */
2906	\|\| sfs.f_type == 0x01021994 /* tempfs */
2907	\|\| sfs.f_type == 0x58465342 /* xfs */)
2908	return;
2909
2910	w->timer.repeat = w->interval ? w->interval : fs_2625 ? NFS_STAT_INTERVAL : DEF_STAT_INTERVAL;
2911	ev_timer_again (EV_A_ &w->timer);	2987	ev_timer_again (EV_A_ &w->timer);
2912	}	2988	if (ev_is_active (&w->timer)) ev_unref (EV_A);
2913	}	2989	}
2914		2990
2915	static void noinline	2991	static void noinline
2916	infy_del (EV_P_ ev_stat *w)	2992	infy_del (EV_P_ ev_stat *w)
2917	{	2993	{
…		…
2920		2996
2921	if (wd < 0)	2997	if (wd < 0)
2922	return;	2998	return;
2923		2999
2924	w->wd = -2;	3000	w->wd = -2;
2925	slot = wd & (EV_INOTIFY_HASHSIZE - 1);	3001	slot = wd & ((EV_INOTIFY_HASHSIZE) - 1);
2926	wlist_del (&fs_hash [slot].head, (WL)w);	3002	wlist_del (&fs_hash [slot].head, (WL)w);
2927		3003
2928	/* remove this watcher, if others are watching it, they will rearm */	3004	/* remove this watcher, if others are watching it, they will rearm */
2929	inotify_rm_watch (fs_fd, wd);	3005	inotify_rm_watch (fs_fd, wd);
2930	}	3006	}
…		…
2932	static void noinline	3008	static void noinline
2933	infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)	3009	infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)
2934	{	3010	{
2935	if (slot < 0)	3011	if (slot < 0)
2936	/* overflow, need to check for all hash slots */	3012	/* overflow, need to check for all hash slots */
2937	for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot)	3013	for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)
2938	infy_wd (EV_A_ slot, wd, ev);	3014	infy_wd (EV_A_ slot, wd, ev);
2939	else	3015	else
2940	{	3016	{
2941	WL w_;	3017	WL w_;
2942		3018
2943	for (w_ = fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head; w_; )	3019	for (w_ = fs_hash [slot & ((EV_INOTIFY_HASHSIZE) - 1)].head; w_; )
2944	{	3020	{
2945	ev_stat w = (ev_stat )w_;	3021	ev_stat w = (ev_stat )w_;
2946	w_ = w_->next; /* lets us remove this watcher and all before it */	3022	w_ = w_->next; /* lets us remove this watcher and all before it */
2947		3023
2948	if (w->wd == wd \|\| wd == -1)	3024	if (w->wd == wd \|\| wd == -1)
2949	{	3025	{
2950	if (ev->mask & (IN_IGNORED \| IN_UNMOUNT \| IN_DELETE_SELF))	3026	if (ev->mask & (IN_IGNORED \| IN_UNMOUNT \| IN_DELETE_SELF))
2951	{	3027	{
2952	wlist_del (&fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w);	3028	wlist_del (&fs_hash [slot & ((EV_INOTIFY_HASHSIZE) - 1)].head, (WL)w);
2953	w->wd = -1;	3029	w->wd = -1;
2954	infy_add (EV_A_ w); /* re-add, no matter what */	3030	infy_add (EV_A_ w); /* re-add, no matter what */
2955	}	3031	}
2956		3032
2957	stat_timer_cb (EV_A_ &w->timer, 0);	3033	stat_timer_cb (EV_A_ &w->timer, 0);
…		…
2962		3038
2963	static void	3039	static void
2964	infy_cb (EV_P_ ev_io *w, int revents)	3040	infy_cb (EV_P_ ev_io *w, int revents)
2965	{	3041	{
2966	char buf [EV_INOTIFY_BUFSIZE];	3042	char buf [EV_INOTIFY_BUFSIZE];
2967	struct inotify_event ev = (struct inotify_event )buf;
2968	int ofs;	3043	int ofs;
2969	int len = read (fs_fd, buf, sizeof (buf));	3044	int len = read (fs_fd, buf, sizeof (buf));
2970		3045
2971	for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len)	3046	for (ofs = 0; ofs < len; )
		3047	{
		3048	struct inotify_event ev = (struct inotify_event )(buf + ofs);
2972	infy_wd (EV_A_ ev->wd, ev->wd, ev);	3049	infy_wd (EV_A_ ev->wd, ev->wd, ev);
		3050	ofs += sizeof (struct inotify_event) + ev->len;
		3051	}
		3052	}
		3053
		3054	inline_size unsigned int
		3055	ev_linux_version (void)
		3056	{
		3057	struct utsname buf;
		3058	unsigned int v;
		3059	int i;
		3060	char *p = buf.release;
		3061
		3062	if (uname (&buf))
		3063	return 0;
		3064
		3065	for (i = 3+1; --i; )
		3066	{
		3067	unsigned int c = 0;
		3068
		3069	for (;;)
		3070	{
		3071	if (p >= '0' && p <= '9')
		3072	c = c * 10 + *p++ - '0';
		3073	else
		3074	{
		3075	p += *p == '.';
		3076	break;
		3077	}
		3078	}
		3079
		3080	v = (v << 8) \| c;
		3081	}
		3082
		3083	return v;
2973	}	3084	}
2974		3085
2975	inline_size void	3086	inline_size void
2976	check_2625 (EV_P)	3087	ev_check_2625 (EV_P)
2977	{	3088	{
2978	/* kernels < 2.6.25 are borked	3089	/* kernels < 2.6.25 are borked
2979	* http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html	3090	* http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html
2980	*/	3091	*/
2981	struct utsname buf;	3092	if (ev_linux_version () < 0x020619)
2982	int major, minor, micro;
2983
2984	if (uname (&buf))
2985	return;
2986
2987	if (sscanf (buf.release, "%d.%d.%d", &major, &minor, &micro) != 3)
2988	return;
2989
2990	if (major < 2
2991	\|\| (major == 2 && minor < 6)
2992	\|\| (major == 2 && minor == 6 && micro < 25))
2993	return;	3093	return;
2994		3094
2995	fs_2625 = 1;	3095	fs_2625 = 1;
2996	}	3096	}
2997		3097
…		…
3012	if (fs_fd != -2)	3112	if (fs_fd != -2)
3013	return;	3113	return;
3014		3114
3015	fs_fd = -1;	3115	fs_fd = -1;
3016		3116
3017	check_2625 (EV_A);	3117	ev_check_2625 (EV_A);
3018		3118
3019	fs_fd = infy_newfd ();	3119	fs_fd = infy_newfd ();
3020		3120
3021	if (fs_fd >= 0)	3121	if (fs_fd >= 0)
3022	{	3122	{
…		…
3047	ev_io_set (&fs_w, fs_fd, EV_READ);	3147	ev_io_set (&fs_w, fs_fd, EV_READ);
3048	ev_io_start (EV_A_ &fs_w);	3148	ev_io_start (EV_A_ &fs_w);
3049	ev_unref (EV_A);	3149	ev_unref (EV_A);
3050	}	3150	}
3051		3151
3052	for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot)	3152	for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)
3053	{	3153	{
3054	WL w_ = fs_hash [slot].head;	3154	WL w_ = fs_hash [slot].head;
3055	fs_hash [slot].head = 0;	3155	fs_hash [slot].head = 0;
3056		3156
3057	while (w_)	3157	while (w_)
…		…
3062	w->wd = -1;	3162	w->wd = -1;
3063		3163
3064	if (fs_fd >= 0)	3164	if (fs_fd >= 0)
3065	infy_add (EV_A_ w); /* re-add, no matter what */	3165	infy_add (EV_A_ w); /* re-add, no matter what */
3066	else	3166	else
		3167	{
		3168	w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;
		3169	if (ev_is_active (&w->timer)) ev_ref (EV_A);
3067	ev_timer_again (EV_A_ &w->timer);	3170	ev_timer_again (EV_A_ &w->timer);
		3171	if (ev_is_active (&w->timer)) ev_unref (EV_A);
		3172	}
3068	}	3173	}
3069	}	3174	}
3070	}	3175	}
3071		3176
3072	#endif	3177	#endif
…		…
3089	static void noinline	3194	static void noinline
3090	stat_timer_cb (EV_P_ ev_timer *w_, int revents)	3195	stat_timer_cb (EV_P_ ev_timer *w_, int revents)
3091	{	3196	{
3092	ev_stat w = (ev_stat )(((char *)w_) - offsetof (ev_stat, timer));	3197	ev_stat w = (ev_stat )(((char *)w_) - offsetof (ev_stat, timer));
3093		3198
3094	/* we copy this here each the time so that */	3199	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);	3200	ev_stat_stat (EV_A_ w);
3098		3201
3099	/* memcmp doesn't work on netbsd, they.... do stuff to their struct stat */	3202	/* memcmp doesn't work on netbsd, they.... do stuff to their struct stat */
3100	if (	3203	if (
3101	w->prev.st_dev != w->attr.st_dev	3204	prev.st_dev != w->attr.st_dev
3102	\|\| w->prev.st_ino != w->attr.st_ino	3205	\|\| prev.st_ino != w->attr.st_ino
3103	\|\| w->prev.st_mode != w->attr.st_mode	3206	\|\| prev.st_mode != w->attr.st_mode
3104	\|\| w->prev.st_nlink != w->attr.st_nlink	3207	\|\| prev.st_nlink != w->attr.st_nlink
3105	\|\| w->prev.st_uid != w->attr.st_uid	3208	\|\| prev.st_uid != w->attr.st_uid
3106	\|\| w->prev.st_gid != w->attr.st_gid	3209	\|\| prev.st_gid != w->attr.st_gid
3107	\|\| w->prev.st_rdev != w->attr.st_rdev	3210	\|\| prev.st_rdev != w->attr.st_rdev
3108	\|\| w->prev.st_size != w->attr.st_size	3211	\|\| prev.st_size != w->attr.st_size
3109	\|\| w->prev.st_atime != w->attr.st_atime	3212	\|\| prev.st_atime != w->attr.st_atime
3110	\|\| w->prev.st_mtime != w->attr.st_mtime	3213	\|\| prev.st_mtime != w->attr.st_mtime
3111	\|\| w->prev.st_ctime != w->attr.st_ctime	3214	\|\| prev.st_ctime != w->attr.st_ctime
3112	) {	3215	) {
		3216	/* we only update w->prev on actual differences */
		3217	/* in case we test more often than invoke the callback, */
		3218	/* to ensure that prev is always different to attr */
		3219	w->prev = prev;
		3220
3113	#if EV_USE_INOTIFY	3221	#if EV_USE_INOTIFY
3114	if (fs_fd >= 0)	3222	if (fs_fd >= 0)
3115	{	3223	{
3116	infy_del (EV_A_ w);	3224	infy_del (EV_A_ w);
3117	infy_add (EV_A_ w);	3225	infy_add (EV_A_ w);
…		…
3142		3250
3143	if (fs_fd >= 0)	3251	if (fs_fd >= 0)
3144	infy_add (EV_A_ w);	3252	infy_add (EV_A_ w);
3145	else	3253	else
3146	#endif	3254	#endif
		3255	{
3147	ev_timer_again (EV_A_ &w->timer);	3256	ev_timer_again (EV_A_ &w->timer);
		3257	ev_unref (EV_A);
		3258	}
3148		3259
3149	ev_start (EV_A_ (W)w, 1);	3260	ev_start (EV_A_ (W)w, 1);
3150		3261
3151	EV_FREQUENT_CHECK;	3262	EV_FREQUENT_CHECK;
3152	}	3263	}
…		…
3161	EV_FREQUENT_CHECK;	3272	EV_FREQUENT_CHECK;
3162		3273
3163	#if EV_USE_INOTIFY	3274	#if EV_USE_INOTIFY
3164	infy_del (EV_A_ w);	3275	infy_del (EV_A_ w);
3165	#endif	3276	#endif
		3277
		3278	if (ev_is_active (&w->timer))
		3279	{
		3280	ev_ref (EV_A);
3166	ev_timer_stop (EV_A_ &w->timer);	3281	ev_timer_stop (EV_A_ &w->timer);
		3282	}
3167		3283
3168	ev_stop (EV_A_ (W)w);	3284	ev_stop (EV_A_ (W)w);
3169		3285
3170	EV_FREQUENT_CHECK;	3286	EV_FREQUENT_CHECK;
3171	}	3287	}
…		…
3216		3332
3217	EV_FREQUENT_CHECK;	3333	EV_FREQUENT_CHECK;
3218	}	3334	}
3219	#endif	3335	#endif
3220		3336
		3337	#if EV_PREPARE_ENABLE
3221	void	3338	void
3222	ev_prepare_start (EV_P_ ev_prepare *w)	3339	ev_prepare_start (EV_P_ ev_prepare *w)
3223	{	3340	{
3224	if (expect_false (ev_is_active (w)))	3341	if (expect_false (ev_is_active (w)))
3225	return;	3342	return;
…		…
3251		3368
3252	ev_stop (EV_A_ (W)w);	3369	ev_stop (EV_A_ (W)w);
3253		3370
3254	EV_FREQUENT_CHECK;	3371	EV_FREQUENT_CHECK;
3255	}	3372	}
		3373	#endif
3256		3374
		3375	#if EV_CHECK_ENABLE
3257	void	3376	void
3258	ev_check_start (EV_P_ ev_check *w)	3377	ev_check_start (EV_P_ ev_check *w)
3259	{	3378	{
3260	if (expect_false (ev_is_active (w)))	3379	if (expect_false (ev_is_active (w)))
3261	return;	3380	return;
…		…
3287		3406
3288	ev_stop (EV_A_ (W)w);	3407	ev_stop (EV_A_ (W)w);
3289		3408
3290	EV_FREQUENT_CHECK;	3409	EV_FREQUENT_CHECK;
3291	}	3410	}
		3411	#endif
3292		3412
3293	#if EV_EMBED_ENABLE	3413	#if EV_EMBED_ENABLE
3294	void noinline	3414	void noinline
3295	ev_embed_sweep (EV_P_ ev_embed *w)	3415	ev_embed_sweep (EV_P_ ev_embed *w)
3296	{	3416	{
…		…
3391		3511
3392	ev_io_stop (EV_A_ &w->io);	3512	ev_io_stop (EV_A_ &w->io);
3393	ev_prepare_stop (EV_A_ &w->prepare);	3513	ev_prepare_stop (EV_A_ &w->prepare);
3394	ev_fork_stop (EV_A_ &w->fork);	3514	ev_fork_stop (EV_A_ &w->fork);
3395		3515
		3516	ev_stop (EV_A_ (W)w);
		3517
3396	EV_FREQUENT_CHECK;	3518	EV_FREQUENT_CHECK;
3397	}	3519	}
3398	#endif	3520	#endif
3399		3521
3400	#if EV_FORK_ENABLE	3522	#if EV_FORK_ENABLE
…		…
3526	{	3648	{
3527	struct ev_once once = (struct ev_once )ev_malloc (sizeof (struct ev_once));	3649	struct ev_once once = (struct ev_once )ev_malloc (sizeof (struct ev_once));
3528		3650
3529	if (expect_false (!once))	3651	if (expect_false (!once))
3530	{	3652	{
3531	cb (EV_ERROR \| EV_READ \| EV_WRITE \| EV_TIMEOUT, arg);	3653	cb (EV_ERROR \| EV_READ \| EV_WRITE \| EV_TIMER, arg);
3532	return;	3654	return;
3533	}	3655	}
3534		3656
3535	once->cb = cb;	3657	once->cb = cb;
3536	once->arg = arg;	3658	once->arg = arg;
…		…
3623	if (types & EV_ASYNC)	3745	if (types & EV_ASYNC)
3624	for (i = asynccnt; i--; )	3746	for (i = asynccnt; i--; )
3625	cb (EV_A_ EV_ASYNC, asyncs [i]);	3747	cb (EV_A_ EV_ASYNC, asyncs [i]);
3626	#endif	3748	#endif
3627		3749
		3750	#if EV_PREPARE_ENABLE
3628	if (types & EV_PREPARE)	3751	if (types & EV_PREPARE)
3629	for (i = preparecnt; i--; )	3752	for (i = preparecnt; i--; )
3630	#if EV_EMBED_ENABLE	3753	# if EV_EMBED_ENABLE
3631	if (ev_cb (prepares [i]) != embed_prepare_cb)	3754	if (ev_cb (prepares [i]) != embed_prepare_cb)
3632	#endif	3755	# endif
3633	cb (EV_A_ EV_PREPARE, prepares [i]);	3756	cb (EV_A_ EV_PREPARE, prepares [i]);
		3757	#endif
3634		3758
		3759	#if EV_CHECK_ENABLE
3635	if (types & EV_CHECK)	3760	if (types & EV_CHECK)
3636	for (i = checkcnt; i--; )	3761	for (i = checkcnt; i--; )
3637	cb (EV_A_ EV_CHECK, checks [i]);	3762	cb (EV_A_ EV_CHECK, checks [i]);
		3763	#endif
3638		3764
		3765	#if EV_SIGNAL_ENABLE
3639	if (types & EV_SIGNAL)	3766	if (types & EV_SIGNAL)
3640	for (i = 0; i < EV_NSIG - 1; ++i)	3767	for (i = 0; i < EV_NSIG - 1; ++i)
3641	for (wl = signals [i].head; wl; )	3768	for (wl = signals [i].head; wl; )
3642	{	3769	{
3643	wn = wl->next;	3770	wn = wl->next;
3644	cb (EV_A_ EV_SIGNAL, wl);	3771	cb (EV_A_ EV_SIGNAL, wl);
3645	wl = wn;	3772	wl = wn;
3646	}	3773	}
		3774	#endif
3647		3775
		3776	#if EV_CHILD_ENABLE
3648	if (types & EV_CHILD)	3777	if (types & EV_CHILD)
3649	for (i = EV_PID_HASHSIZE; i--; )	3778	for (i = (EV_PID_HASHSIZE); i--; )
3650	for (wl = childs [i]; wl; )	3779	for (wl = childs [i]; wl; )
3651	{	3780	{
3652	wn = wl->next;	3781	wn = wl->next;
3653	cb (EV_A_ EV_CHILD, wl);	3782	cb (EV_A_ EV_CHILD, wl);
3654	wl = wn;	3783	wl = wn;
3655	}	3784	}
		3785	#endif
3656	/* EV_STAT 0x00001000 /* stat data changed */	3786	/* EV_STAT 0x00001000 /* stat data changed */
3657	/* EV_EMBED 0x00010000 /* embedded event loop needs sweep */	3787	/* EV_EMBED 0x00010000 /* embedded event loop needs sweep */
3658	}	3788	}
3659	#endif	3789	#endif
3660		3790

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Comparing libev/ev.c (file contents): Revision 1.317 by root, Sat Nov 14 00:15:21 2009 UTC vs. Revision 1.343 by root, Fri Apr 2 21:03:46 2010 UTC

Diff Legend

Comparing libev/ev.c (file contents):
Revision 1.317 by root, Sat Nov 14 00:15:21 2009 UTC vs.
Revision 1.343 by root, Fri Apr 2 21:03:46 2010 UTC