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

Comparing libev/ev.c (file contents):
Revision 1.313 by root, Wed Aug 19 23:44:51 2009 UTC vs.
Revision 1.341 by root, Tue Mar 16 20:48:29 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	*
79	# endif	79	# endif
80	# endif	80	# endif
81		81
82	# ifndef EV_USE_NANOSLEEP	82	# ifndef EV_USE_NANOSLEEP
83	# if HAVE_NANOSLEEP	83	# if HAVE_NANOSLEEP
84	# define EV_USE_NANOSLEEP 1	84	# define EV_USE_NANOSLEEP EV_FEATURE_OS
85	# else	85	# else
86	# define EV_USE_NANOSLEEP 0	86	# define EV_USE_NANOSLEEP 0
87	# endif	87	# endif
88	# endif	88	# endif
89		89
90	# ifndef EV_USE_SELECT	90	# ifndef EV_USE_SELECT
91	# if HAVE_SELECT && HAVE_SYS_SELECT_H	91	# if HAVE_SELECT && HAVE_SYS_SELECT_H
92	# define EV_USE_SELECT 1	92	# define EV_USE_SELECT EV_FEATURE_BACKENDS
93	# else	93	# else
94	# define EV_USE_SELECT 0	94	# define EV_USE_SELECT 0
95	# endif	95	# endif
96	# endif	96	# endif
97		97
98	# ifndef EV_USE_POLL	98	# ifndef EV_USE_POLL
99	# if HAVE_POLL && HAVE_POLL_H	99	# if HAVE_POLL && HAVE_POLL_H
100	# define EV_USE_POLL 1	100	# define EV_USE_POLL EV_FEATURE_BACKENDS
101	# else	101	# else
102	# define EV_USE_POLL 0	102	# define EV_USE_POLL 0
103	# endif	103	# endif
104	# endif	104	# endif
105		105
106	# ifndef EV_USE_EPOLL	106	# ifndef EV_USE_EPOLL
107	# if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H	107	# if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H
108	# define EV_USE_EPOLL 1	108	# define EV_USE_EPOLL EV_FEATURE_BACKENDS
109	# else	109	# else
110	# define EV_USE_EPOLL 0	110	# define EV_USE_EPOLL 0
111	# endif	111	# endif
112	# endif	112	# endif
113		113
114	# ifndef EV_USE_KQUEUE	114	# ifndef EV_USE_KQUEUE
115	# if HAVE_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H	115	# if HAVE_KQUEUE && HAVE_SYS_EVENT_H
116	# define EV_USE_KQUEUE 1	116	# define EV_USE_KQUEUE EV_FEATURE_BACKENDS
117	# else	117	# else
118	# define EV_USE_KQUEUE 0	118	# define EV_USE_KQUEUE 0
119	# endif	119	# endif
120	# endif	120	# endif
121		121
122	# ifndef EV_USE_PORT	122	# ifndef EV_USE_PORT
123	# if HAVE_PORT_H && HAVE_PORT_CREATE	123	# if HAVE_PORT_H && HAVE_PORT_CREATE
124	# define EV_USE_PORT 1	124	# define EV_USE_PORT EV_FEATURE_BACKENDS
125	# else	125	# else
126	# define EV_USE_PORT 0	126	# define EV_USE_PORT 0
127	# endif	127	# endif
128	# endif	128	# endif
129		129
130	# ifndef EV_USE_INOTIFY	130	# ifndef EV_USE_INOTIFY
131	# if HAVE_INOTIFY_INIT && HAVE_SYS_INOTIFY_H	131	# if HAVE_INOTIFY_INIT && HAVE_SYS_INOTIFY_H
132	# define EV_USE_INOTIFY 1	132	# define EV_USE_INOTIFY EV_FEATURE_OS
133	# else	133	# else
134	# define EV_USE_INOTIFY 0	134	# define EV_USE_INOTIFY 0
135	# endif	135	# endif
136	# endif	136	# endif
137		137
138	# ifndef EV_USE_SIGNALFD	138	# ifndef EV_USE_SIGNALFD
139	# if HAVE_SIGNALFD && HAVE_SYS_SIGNALFD_H	139	# if HAVE_SIGNALFD && HAVE_SYS_SIGNALFD_H
140	# define EV_USE_SIGNALFD 1	140	# define EV_USE_SIGNALFD EV_FEATURE_OS
141	# else	141	# else
142	# define EV_USE_SIGNALFD 0	142	# define EV_USE_SIGNALFD 0
143	# endif	143	# endif
144	# endif	144	# endif
145		145
146	# ifndef EV_USE_EVENTFD	146	# ifndef EV_USE_EVENTFD
147	# if HAVE_EVENTFD	147	# if HAVE_EVENTFD
148	# define EV_USE_EVENTFD 1	148	# define EV_USE_EVENTFD EV_FEATURE_OS
149	# else	149	# else
150	# define EV_USE_EVENTFD 0	150	# define EV_USE_EVENTFD 0
151	# endif	151	# endif
152	# endif	152	# endif
153		153
154	#endif	154	#endif
155		155
156	#include <math.h>	156	#include <math.h>
157	#include <stdlib.h>	157	#include <stdlib.h>
		158	#include <string.h>
158	#include <fcntl.h>	159	#include <fcntl.h>
159	#include <stddef.h>	160	#include <stddef.h>
160		161
161	#include <stdio.h>	162	#include <stdio.h>
162		163
163	#include <assert.h>	164	#include <assert.h>
164	#include <errno.h>	165	#include <errno.h>
165	#include <sys/types.h>	166	#include <sys/types.h>
166	#include <time.h>	167	#include <time.h>
		168	#include <limits.h>
167		169
168	#include <signal.h>	170	#include <signal.h>
169		171
170	#ifdef EV_H	172	#ifdef EV_H
171	# include EV_H	173	# include EV_H
…		…
182	# define WIN32_LEAN_AND_MEAN	184	# define WIN32_LEAN_AND_MEAN
183	# include <windows.h>	185	# include <windows.h>
184	# ifndef EV_SELECT_IS_WINSOCKET	186	# ifndef EV_SELECT_IS_WINSOCKET
185	# define EV_SELECT_IS_WINSOCKET 1	187	# define EV_SELECT_IS_WINSOCKET 1
186	# endif	188	# endif
		189	# undef EV_AVOID_STDIO
187	#endif	190	#endif
188		191
189	/* this block tries to deduce configuration from header-defined symbols and defaults */	192	/* this block tries to deduce configuration from header-defined symbols and defaults */
190		193
191	/* try to deduce the maximum number of signals on this platform */	194	/* try to deduce the maximum number of signals on this platform */
…		…
204	#elif defined (MAXSIG)	207	#elif defined (MAXSIG)
205	# define EV_NSIG (MAXSIG+1)	208	# define EV_NSIG (MAXSIG+1)
206	#elif defined (MAX_SIG)	209	#elif defined (MAX_SIG)
207	# define EV_NSIG (MAX_SIG+1)	210	# define EV_NSIG (MAX_SIG+1)
208	#elif defined (SIGARRAYSIZE)	211	#elif defined (SIGARRAYSIZE)
209	# define EV_NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */	212	# define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */
210	#elif defined (_sys_nsig)	213	#elif defined (_sys_nsig)
211	# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */	214	# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */
212	#else	215	#else
213	# error "unable to find value for NSIG, please report"	216	# error "unable to find value for NSIG, please report"
214	/* to make it compile regardless, just remove the above line */	217	/* to make it compile regardless, just remove the above line, */
		218	/* but consider reporting it, too! :) */
215	# define EV_NSIG 65	219	# define EV_NSIG 65
216	#endif	220	#endif
217		221
218	#ifndef EV_USE_CLOCK_SYSCALL	222	#ifndef EV_USE_CLOCK_SYSCALL
219	# if __linux && __GLIBC__ >= 2	223	# if __linux && __GLIBC__ >= 2
220	# define EV_USE_CLOCK_SYSCALL 1	224	# define EV_USE_CLOCK_SYSCALL EV_FEATURE_OS
221	# else	225	# else
222	# define EV_USE_CLOCK_SYSCALL 0	226	# define EV_USE_CLOCK_SYSCALL 0
223	# endif	227	# endif
224	#endif	228	#endif
225		229
226	#ifndef EV_USE_MONOTONIC	230	#ifndef EV_USE_MONOTONIC
227	# if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0	231	# if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0
228	# define EV_USE_MONOTONIC 1	232	# define EV_USE_MONOTONIC EV_FEATURE_OS
229	# else	233	# else
230	# define EV_USE_MONOTONIC 0	234	# define EV_USE_MONOTONIC 0
231	# endif	235	# endif
232	#endif	236	#endif
233		237
…		…
235	# define EV_USE_REALTIME !EV_USE_CLOCK_SYSCALL	239	# define EV_USE_REALTIME !EV_USE_CLOCK_SYSCALL
236	#endif	240	#endif
237		241
238	#ifndef EV_USE_NANOSLEEP	242	#ifndef EV_USE_NANOSLEEP
239	# if _POSIX_C_SOURCE >= 199309L	243	# if _POSIX_C_SOURCE >= 199309L
240	# define EV_USE_NANOSLEEP 1	244	# define EV_USE_NANOSLEEP EV_FEATURE_OS
241	# else	245	# else
242	# define EV_USE_NANOSLEEP 0	246	# define EV_USE_NANOSLEEP 0
243	# endif	247	# endif
244	#endif	248	#endif
245		249
246	#ifndef EV_USE_SELECT	250	#ifndef EV_USE_SELECT
247	# define EV_USE_SELECT 1	251	# define EV_USE_SELECT EV_FEATURE_BACKENDS
248	#endif	252	#endif
249		253
250	#ifndef EV_USE_POLL	254	#ifndef EV_USE_POLL
251	# ifdef _WIN32	255	# ifdef _WIN32
252	# define EV_USE_POLL 0	256	# define EV_USE_POLL 0
253	# else	257	# else
254	# define EV_USE_POLL 1	258	# define EV_USE_POLL EV_FEATURE_BACKENDS
255	# endif	259	# endif
256	#endif	260	#endif
257		261
258	#ifndef EV_USE_EPOLL	262	#ifndef EV_USE_EPOLL
259	# if __linux && (__GLIBC__ > 2 \|\| (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))	263	# if __linux && (__GLIBC__ > 2 \|\| (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))
260	# define EV_USE_EPOLL 1	264	# define EV_USE_EPOLL EV_FEATURE_BACKENDS
261	# else	265	# else
262	# define EV_USE_EPOLL 0	266	# define EV_USE_EPOLL 0
263	# endif	267	# endif
264	#endif	268	#endif
265		269
…		…
271	# define EV_USE_PORT 0	275	# define EV_USE_PORT 0
272	#endif	276	#endif
273		277
274	#ifndef EV_USE_INOTIFY	278	#ifndef EV_USE_INOTIFY
275	# if __linux && (__GLIBC__ > 2 \|\| (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))	279	# if __linux && (__GLIBC__ > 2 \|\| (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))
276	# define EV_USE_INOTIFY 1	280	# define EV_USE_INOTIFY EV_FEATURE_OS
277	# else	281	# else
278	# define EV_USE_INOTIFY 0	282	# define EV_USE_INOTIFY 0
279	# endif	283	# endif
280	#endif	284	#endif
281		285
282	#ifndef EV_PID_HASHSIZE	286	#ifndef EV_PID_HASHSIZE
283	# if EV_MINIMAL	287	# 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	288	#endif
289		289
290	#ifndef EV_INOTIFY_HASHSIZE	290	#ifndef EV_INOTIFY_HASHSIZE
291	# if EV_MINIMAL	291	# 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	292	#endif
297		293
298	#ifndef EV_USE_EVENTFD	294	#ifndef EV_USE_EVENTFD
299	# if __linux && (__GLIBC__ > 2 \|\| (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7))	295	# if __linux && (__GLIBC__ > 2 \|\| (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7))
300	# define EV_USE_EVENTFD 1	296	# define EV_USE_EVENTFD EV_FEATURE_OS
301	# else	297	# else
302	# define EV_USE_EVENTFD 0	298	# define EV_USE_EVENTFD 0
303	# endif	299	# endif
304	#endif	300	#endif
305		301
306	#ifndef EV_USE_SIGNALFD	302	#ifndef EV_USE_SIGNALFD
307	# if __linux && (__GLIBC__ > 2 \|\| (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 9))	303	# if __linux && (__GLIBC__ > 2 \|\| (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7))
308	# define EV_USE_SIGNALFD 1	304	# define EV_USE_SIGNALFD EV_FEATURE_OS
309	# else	305	# else
310	# define EV_USE_SIGNALFD 0	306	# define EV_USE_SIGNALFD 0
311	# endif	307	# endif
312	#endif	308	#endif
313		309
…		…
316	# define EV_USE_4HEAP 1	312	# define EV_USE_4HEAP 1
317	# define EV_HEAP_CACHE_AT 1	313	# define EV_HEAP_CACHE_AT 1
318	#endif	314	#endif
319		315
320	#ifndef EV_VERIFY	316	#ifndef EV_VERIFY
321	# define EV_VERIFY !EV_MINIMAL	317	# define EV_VERIFY (EV_FEATURE_API ? 1 : 0)
322	#endif	318	#endif
323		319
324	#ifndef EV_USE_4HEAP	320	#ifndef EV_USE_4HEAP
325	# define EV_USE_4HEAP !EV_MINIMAL	321	# define EV_USE_4HEAP EV_FEATURE_DATA
326	#endif	322	#endif
327		323
328	#ifndef EV_HEAP_CACHE_AT	324	#ifndef EV_HEAP_CACHE_AT
329	# define EV_HEAP_CACHE_AT !EV_MINIMAL	325	# define EV_HEAP_CACHE_AT EV_FEATURE_DATA
330	#endif	326	#endif
331		327
332	/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */	328	/* 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. */	329	/* which makes programs even slower. might work on other unices, too. */
334	#if EV_USE_CLOCK_SYSCALL	330	#if EV_USE_CLOCK_SYSCALL
…		…
343	# endif	339	# endif
344	#endif	340	#endif
345		341
346	/* this block fixes any misconfiguration where we know we run into trouble otherwise */	342	/* this block fixes any misconfiguration where we know we run into trouble otherwise */
347		343
		344	#ifdef _AIX
		345	/* AIX has a completely broken poll.h header */
		346	# undef EV_USE_POLL
		347	# define EV_USE_POLL 0
		348	#endif
		349
348	#ifndef CLOCK_MONOTONIC	350	#ifndef CLOCK_MONOTONIC
349	# undef EV_USE_MONOTONIC	351	# undef EV_USE_MONOTONIC
350	# define EV_USE_MONOTONIC 0	352	# define EV_USE_MONOTONIC 0
351	#endif	353	#endif
352		354
…		…
395	# endif	397	# endif
396	# endif	398	# endif
397	# ifdef __cplusplus	399	# ifdef __cplusplus
398	extern "C" {	400	extern "C" {
399	# endif	401	# endif
400	int eventfd (unsigned int initval, int flags);	402	int (eventfd) (unsigned int initval, int flags);
401	# ifdef __cplusplus	403	# ifdef __cplusplus
402	}	404	}
403	# endif	405	# endif
404	#endif	406	#endif
405		407
406	#if EV_USE_SIGNALFD	408	#if EV_USE_SIGNALFD
407	# include <sys/signalfd.h>	409	/* our minimum requirement is glibc 2.7 which has the stub, but not the header */
		410	# include <stdint.h>
		411	# ifndef SFD_NONBLOCK
		412	# define SFD_NONBLOCK O_NONBLOCK
408	#endif	413	# endif
		414	# ifndef SFD_CLOEXEC
		415	# ifdef O_CLOEXEC
		416	# define SFD_CLOEXEC O_CLOEXEC
		417	# else
		418	# define SFD_CLOEXEC 02000000
		419	# endif
		420	# endif
		421	# ifdef __cplusplus
		422	extern "C" {
		423	# endif
		424	int signalfd (int fd, const sigset_t *mask, int flags);
		425
		426	struct signalfd_siginfo
		427	{
		428	uint32_t ssi_signo;
		429	char pad[128 - sizeof (uint32_t)];
		430	};
		431	# ifdef __cplusplus
		432	}
		433	# endif
		434	#endif
		435
409		436
410	/**/	437	/**/
411		438
412	#if EV_VERIFY >= 3	439	#if EV_VERIFY >= 3
413	# define EV_FREQUENT_CHECK ev_loop_verify (EV_A)	440	# define EV_FREQUENT_CHECK ev_verify (EV_A)
414	#else	441	#else
415	# define EV_FREQUENT_CHECK do { } while (0)	442	# define EV_FREQUENT_CHECK do { } while (0)
416	#endif	443	#endif
417		444
418	/*	445	/*
…		…
425	*/	452	*/
426	#define TIME_EPSILON 0.0001220703125 /* 1/8192 */	453	#define TIME_EPSILON 0.0001220703125 /* 1/8192 */
427		454
428	#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */	455	#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */
429	#define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */	456	#define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */
430	/#define CLEANUP_INTERVAL (MAX_BLOCKTIME 5.) /* how often to try to free memory and re-check fds, TODO */
431		457
432	#if __GNUC__ >= 4	458	#if __GNUC__ >= 4
433	# define expect(expr,value) __builtin_expect ((expr),(value))	459	# define expect(expr,value) __builtin_expect ((expr),(value))
434	# define noinline __attribute__ ((noinline))	460	# define noinline __attribute__ ((noinline))
435	#else	461	#else
…		…
442		468
443	#define expect_false(expr) expect ((expr) != 0, 0)	469	#define expect_false(expr) expect ((expr) != 0, 0)
444	#define expect_true(expr) expect ((expr) != 0, 1)	470	#define expect_true(expr) expect ((expr) != 0, 1)
445	#define inline_size static inline	471	#define inline_size static inline
446		472
447	#if EV_MINIMAL	473	#if EV_FEATURE_CODE
		474	# define inline_speed static inline
		475	#else
448	# define inline_speed static noinline	476	# define inline_speed static noinline
449	#else
450	# define inline_speed static inline
451	#endif	477	#endif
452		478
453	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)	479	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
454		480
455	#if EV_MINPRI == EV_MAXPRI	481	#if EV_MINPRI == EV_MAXPRI
…		…
480		506
481	#ifndef EV_FD_TO_WIN32_HANDLE	507	#ifndef EV_FD_TO_WIN32_HANDLE
482	# define EV_FD_TO_WIN32_HANDLE(fd) _get_osfhandle (fd)	508	# define EV_FD_TO_WIN32_HANDLE(fd) _get_osfhandle (fd)
483	#endif	509	#endif
484	#ifndef EV_WIN32_HANDLE_TO_FD	510	#ifndef EV_WIN32_HANDLE_TO_FD
485	# define EV_WIN32_HANDLE_TO_FD(handle) _open_osfhandle (fd, 0)	511	# define EV_WIN32_HANDLE_TO_FD(handle) _open_osfhandle (handle, 0)
486	#endif	512	#endif
487	#ifndef EV_WIN32_CLOSE_FD	513	#ifndef EV_WIN32_CLOSE_FD
488	# define EV_WIN32_CLOSE_FD(fd) close (fd)	514	# define EV_WIN32_CLOSE_FD(fd) close (fd)
489	#endif	515	#endif
490		516
491	#ifdef _WIN32	517	#ifdef _WIN32
492	# include "ev_win32.c"	518	# include "ev_win32.c"
493	#endif	519	#endif
494		520
495	/*****************************************************************************/	521	/*****************************************************************************/
		522
		523	#if EV_AVOID_STDIO
		524	static void noinline
		525	ev_printerr (const char *msg)
		526	{
		527	write (STDERR_FILENO, msg, strlen (msg));
		528	}
		529	#endif
496		530
497	static void (syserr_cb)(const char msg);	531	static void (syserr_cb)(const char msg);
498		532
499	void	533	void
500	ev_set_syserr_cb (void (cb)(const char msg))	534	ev_set_syserr_cb (void (cb)(const char msg))
…		…
510		544
511	if (syserr_cb)	545	if (syserr_cb)
512	syserr_cb (msg);	546	syserr_cb (msg);
513	else	547	else
514	{	548	{
		549	#if EV_AVOID_STDIO
		550	const char *err = strerror (errno);
		551
		552	ev_printerr (msg);
		553	ev_printerr (": ");
		554	ev_printerr (err);
		555	ev_printerr ("\n");
		556	#else
515	perror (msg);	557	perror (msg);
		558	#endif
516	abort ();	559	abort ();
517	}	560	}
518	}	561	}
519		562
520	static void *	563	static void *
521	ev_realloc_emul (void *ptr, long size)	564	ev_realloc_emul (void *ptr, long size)
522	{	565	{
		566	#if __GLIBC__
		567	return realloc (ptr, size);
		568	#else
523	/* some systems, notably openbsd and darwin, fail to properly	569	/* some systems, notably openbsd and darwin, fail to properly
524	* implement realloc (x, 0) (as required by both ansi c-98 and	570	* implement realloc (x, 0) (as required by both ansi c-89 and
525	* the single unix specification, so work around them here.	571	* the single unix specification, so work around them here.
526	*/	572	*/
527		573
528	if (size)	574	if (size)
529	return realloc (ptr, size);	575	return realloc (ptr, size);
530		576
531	free (ptr);	577	free (ptr);
532	return 0;	578	return 0;
		579	#endif
533	}	580	}
534		581
535	static void (alloc)(void *ptr, long size) = ev_realloc_emul;	582	static void (alloc)(void *ptr, long size) = ev_realloc_emul;
536		583
537	void	584	void
…		…
545	{	592	{
546	ptr = alloc (ptr, size);	593	ptr = alloc (ptr, size);
547		594
548	if (!ptr && size)	595	if (!ptr && size)
549	{	596	{
		597	#if EV_AVOID_STDIO
		598	ev_printerr ("libev: memory allocation failed, aborting.\n");
		599	#else
550	fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size);	600	fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size);
		601	#endif
551	abort ();	602	abort ();
552	}	603	}
553		604
554	return ptr;	605	return ptr;
555	}	606	}
…		…
637		688
638	static int ev_default_loop_ptr;	689	static int ev_default_loop_ptr;
639		690
640	#endif	691	#endif
641		692
642	#if EV_MINIMAL < 2	693	#if EV_FEATURE_API
643	# define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A)	694	# define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A)
644	# define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A)	695	# define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A)
645	# define EV_INVOKE_PENDING invoke_cb (EV_A)	696	# define EV_INVOKE_PENDING invoke_cb (EV_A)
646	#else	697	#else
647	# define EV_RELEASE_CB (void)0	698	# define EV_RELEASE_CB (void)0
…		…
832	}	883	}
833		884
834	/*****************************************************************************/	885	/*****************************************************************************/
835		886
836	inline_speed void	887	inline_speed void
837	fd_event_nc (EV_P_ int fd, int revents)	888	fd_event_nocheck (EV_P_ int fd, int revents)
838	{	889	{
839	ANFD *anfd = anfds + fd;	890	ANFD *anfd = anfds + fd;
840	ev_io *w;	891	ev_io *w;
841		892
842	for (w = (ev_io )anfd->head; w; w = (ev_io )((WL)w)->next)	893	for (w = (ev_io )anfd->head; w; w = (ev_io )((WL)w)->next)
…		…
854	fd_event (EV_P_ int fd, int revents)	905	fd_event (EV_P_ int fd, int revents)
855	{	906	{
856	ANFD *anfd = anfds + fd;	907	ANFD *anfd = anfds + fd;
857		908
858	if (expect_true (!anfd->reify))	909	if (expect_true (!anfd->reify))
859	fd_event_nc (EV_A_ fd, revents);	910	fd_event_nocheck (EV_A_ fd, revents);
860	}	911	}
861		912
862	void	913	void
863	ev_feed_fd_event (EV_P_ int fd, int revents)	914	ev_feed_fd_event (EV_P_ int fd, int revents)
864	{	915	{
865	if (fd >= 0 && fd < anfdmax)	916	if (fd >= 0 && fd < anfdmax)
866	fd_event_nc (EV_A_ fd, revents);	917	fd_event_nocheck (EV_A_ fd, revents);
867	}	918	}
868		919
869	/* make sure the external fd watch events are in-sync */	920	/* make sure the external fd watch events are in-sync */
870	/* with the kernel/libev internal state */	921	/* with the kernel/libev internal state */
871	inline_size void	922	inline_size void
…		…
934	ev_io_stop (EV_A_ w);	985	ev_io_stop (EV_A_ w);
935	ev_feed_event (EV_A_ (W)w, EV_ERROR \| EV_READ \| EV_WRITE);	986	ev_feed_event (EV_A_ (W)w, EV_ERROR \| EV_READ \| EV_WRITE);
936	}	987	}
937	}	988	}
938		989
939	/* check whether the given fd is atcually valid, for error recovery */	990	/* check whether the given fd is actually valid, for error recovery */
940	inline_size int	991	inline_size int
941	fd_valid (int fd)	992	fd_valid (int fd)
942	{	993	{
943	#ifdef _WIN32	994	#ifdef _WIN32
944	return _get_osfhandle (fd) != -1;	995	return EV_FD_TO_WIN32_HANDLE (fd) != -1;
945	#else	996	#else
946	return fcntl (fd, F_GETFD) != -1;	997	return fcntl (fd, F_GETFD) != -1;
947	#endif	998	#endif
948	}	999	}
949		1000
…		…
984	{	1035	{
985	anfds [fd].events = 0;	1036	anfds [fd].events = 0;
986	anfds [fd].emask = 0;	1037	anfds [fd].emask = 0;
987	fd_change (EV_A_ fd, EV__IOFDSET \| EV_ANFD_REIFY);	1038	fd_change (EV_A_ fd, EV__IOFDSET \| EV_ANFD_REIFY);
988	}	1039	}
		1040	}
		1041
		1042	/* used to prepare libev internal fd's */
		1043	/* this is not fork-safe */
		1044	inline_speed void
		1045	fd_intern (int fd)
		1046	{
		1047	#ifdef _WIN32
		1048	unsigned long arg = 1;
		1049	ioctlsocket (EV_FD_TO_WIN32_HANDLE (fd), FIONBIO, &arg);
		1050	#else
		1051	fcntl (fd, F_SETFD, FD_CLOEXEC);
		1052	fcntl (fd, F_SETFL, O_NONBLOCK);
		1053	#endif
989	}	1054	}
990		1055
991	/*****************************************************************************/	1056	/*****************************************************************************/
992		1057
993	/*	1058	/*
…		…
1147		1212
1148	static ANSIG signals [EV_NSIG - 1];	1213	static ANSIG signals [EV_NSIG - 1];
1149		1214
1150	/*****************************************************************************/	1215	/*****************************************************************************/
1151		1216
1152	/* used to prepare libev internal fd's */	1217	#if EV_SIGNAL_ENABLE \|\| EV_ASYNC_ENABLE
1153	/* this is not fork-safe */
1154	inline_speed void
1155	fd_intern (int fd)
1156	{
1157	#ifdef _WIN32
1158	unsigned long arg = 1;
1159	ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg);
1160	#else
1161	fcntl (fd, F_SETFD, FD_CLOEXEC);
1162	fcntl (fd, F_SETFL, O_NONBLOCK);
1163	#endif
1164	}
1165		1218
1166	static void noinline	1219	static void noinline
1167	evpipe_init (EV_P)	1220	evpipe_init (EV_P)
1168	{	1221	{
1169	if (!ev_is_active (&pipe_w))	1222	if (!ev_is_active (&pipe_w))
1170	{	1223	{
1171	#if EV_USE_EVENTFD	1224	# if EV_USE_EVENTFD
1172	evfd = eventfd (0, EFD_NONBLOCK \| EFD_CLOEXEC);	1225	evfd = eventfd (0, EFD_NONBLOCK \| EFD_CLOEXEC);
1173	if (evfd < 0 && errno == EINVAL)	1226	if (evfd < 0 && errno == EINVAL)
1174	evfd = eventfd (0, 0);	1227	evfd = eventfd (0, 0);
1175		1228
1176	if (evfd >= 0)	1229	if (evfd >= 0)
…		…
1178	evpipe [0] = -1;	1231	evpipe [0] = -1;
1179	fd_intern (evfd); /* doing it twice doesn't hurt */	1232	fd_intern (evfd); /* doing it twice doesn't hurt */
1180	ev_io_set (&pipe_w, evfd, EV_READ);	1233	ev_io_set (&pipe_w, evfd, EV_READ);
1181	}	1234	}
1182	else	1235	else
1183	#endif	1236	# endif
1184	{	1237	{
1185	while (pipe (evpipe))	1238	while (pipe (evpipe))
1186	ev_syserr ("(libev) error creating signal/async pipe");	1239	ev_syserr ("(libev) error creating signal/async pipe");
1187		1240
1188	fd_intern (evpipe [0]);	1241	fd_intern (evpipe [0]);
…		…
1199	evpipe_write (EV_P_ EV_ATOMIC_T *flag)	1252	evpipe_write (EV_P_ EV_ATOMIC_T *flag)
1200	{	1253	{
1201	if (!*flag)	1254	if (!*flag)
1202	{	1255	{
1203	int old_errno = errno; /* save errno because write might clobber it */	1256	int old_errno = errno; /* save errno because write might clobber it */
		1257	char dummy;
1204		1258
1205	*flag = 1;	1259	*flag = 1;
1206		1260
1207	#if EV_USE_EVENTFD	1261	#if EV_USE_EVENTFD
1208	if (evfd >= 0)	1262	if (evfd >= 0)
…		…
1210	uint64_t counter = 1;	1264	uint64_t counter = 1;
1211	write (evfd, &counter, sizeof (uint64_t));	1265	write (evfd, &counter, sizeof (uint64_t));
1212	}	1266	}
1213	else	1267	else
1214	#endif	1268	#endif
1215	write (evpipe [1], &old_errno, 1);	1269	write (evpipe [1], &dummy, 1);
1216		1270
1217	errno = old_errno;	1271	errno = old_errno;
1218	}	1272	}
1219	}	1273	}
1220		1274
…		…
1269	{	1323	{
1270	#if EV_MULTIPLICITY	1324	#if EV_MULTIPLICITY
1271	EV_P = signals [signum - 1].loop;	1325	EV_P = signals [signum - 1].loop;
1272	#endif	1326	#endif
1273		1327
1274	#if _WIN32	1328	#ifdef _WIN32
1275	signal (signum, ev_sighandler);	1329	signal (signum, ev_sighandler);
1276	#endif	1330	#endif
1277		1331
1278	signals [signum - 1].pending = 1;	1332	signals [signum - 1].pending = 1;
1279	evpipe_write (EV_A_ &sig_pending);	1333	evpipe_write (EV_A_ &sig_pending);
…		…
1321	break;	1375	break;
1322	}	1376	}
1323	}	1377	}
1324	#endif	1378	#endif
1325		1379
		1380	#endif
		1381
1326	/*****************************************************************************/	1382	/*****************************************************************************/
1327		1383
		1384	#if EV_CHILD_ENABLE
1328	static WL childs [EV_PID_HASHSIZE];	1385	static WL childs [EV_PID_HASHSIZE];
1329
1330	#ifndef _WIN32
1331		1386
1332	static ev_signal childev;	1387	static ev_signal childev;
1333		1388
1334	#ifndef WIFCONTINUED	1389	#ifndef WIFCONTINUED
1335	# define WIFCONTINUED(status) 0	1390	# define WIFCONTINUED(status) 0
…		…
1340	child_reap (EV_P_ int chain, int pid, int status)	1395	child_reap (EV_P_ int chain, int pid, int status)
1341	{	1396	{
1342	ev_child *w;	1397	ev_child *w;
1343	int traced = WIFSTOPPED (status) \|\| WIFCONTINUED (status);	1398	int traced = WIFSTOPPED (status) \|\| WIFCONTINUED (status);
1344		1399
1345	for (w = (ev_child )childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child )((WL)w)->next)	1400	for (w = (ev_child )childs [chain & ((EV_PID_HASHSIZE) - 1)]; w; w = (ev_child )((WL)w)->next)
1346	{	1401	{
1347	if ((w->pid == pid \|\| !w->pid)	1402	if ((w->pid == pid \|\| !w->pid)
1348	&& (!traced \|\| (w->flags & 1)))	1403	&& (!traced \|\| (w->flags & 1)))
1349	{	1404	{
1350	ev_set_priority (w, EV_MAXPRI); /* need to do it now, this must be the same prio as the signal watcher itself */	1405	ev_set_priority (w, EV_MAXPRI); /* need to do it now, this must be the same prio as the signal watcher itself */
…		…
1375	/* make sure we are called again until all children have been reaped */	1430	/* make sure we are called again until all children have been reaped */
1376	/* we need to do it this way so that the callback gets called before we continue */	1431	/* we need to do it this way so that the callback gets called before we continue */
1377	ev_feed_event (EV_A_ (W)sw, EV_SIGNAL);	1432	ev_feed_event (EV_A_ (W)sw, EV_SIGNAL);
1378		1433
1379	child_reap (EV_A_ pid, pid, status);	1434	child_reap (EV_A_ pid, pid, status);
1380	if (EV_PID_HASHSIZE > 1)	1435	if ((EV_PID_HASHSIZE) > 1)
1381	child_reap (EV_A_ 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */	1436	child_reap (EV_A_ 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */
1382	}	1437	}
1383		1438
1384	#endif	1439	#endif
1385		1440
…		…
1474	ev_backend (EV_P)	1529	ev_backend (EV_P)
1475	{	1530	{
1476	return backend;	1531	return backend;
1477	}	1532	}
1478		1533
1479	#if EV_MINIMAL < 2	1534	#if EV_FEATURE_API
1480	unsigned int	1535	unsigned int
1481	ev_loop_count (EV_P)	1536	ev_iteration (EV_P)
1482	{	1537	{
1483	return loop_count;	1538	return loop_count;
1484	}	1539	}
1485		1540
1486	unsigned int	1541	unsigned int
1487	ev_loop_depth (EV_P)	1542	ev_depth (EV_P)
1488	{	1543	{
1489	return loop_depth;	1544	return loop_depth;
1490	}	1545	}
1491		1546
1492	void	1547	void
…		…
1564		1619
1565	ev_rt_now = ev_time ();	1620	ev_rt_now = ev_time ();
1566	mn_now = get_clock ();	1621	mn_now = get_clock ();
1567	now_floor = mn_now;	1622	now_floor = mn_now;
1568	rtmn_diff = ev_rt_now - mn_now;	1623	rtmn_diff = ev_rt_now - mn_now;
1569	#if EV_MINIMAL < 2	1624	#if EV_FEATURE_API
1570	invoke_cb = ev_invoke_pending;	1625	invoke_cb = ev_invoke_pending;
1571	#endif	1626	#endif
1572		1627
1573	io_blocktime = 0.;	1628	io_blocktime = 0.;
1574	timeout_blocktime = 0.;	1629	timeout_blocktime = 0.;
…		…
1580	#endif	1635	#endif
1581	#if EV_USE_INOTIFY	1636	#if EV_USE_INOTIFY
1582	fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;	1637	fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;
1583	#endif	1638	#endif
1584	#if EV_USE_SIGNALFD	1639	#if EV_USE_SIGNALFD
1585	sigfd = flags & EVFLAG_NOSIGFD ? -1 : -2;	1640	sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;
1586	#endif	1641	#endif
1587		1642
1588	if (!(flags & 0x0000ffffU))	1643	if (!(flags & 0x0000ffffU))
1589	flags \|= ev_recommended_backends ();	1644	flags \|= ev_recommended_backends ();
1590		1645
…		…
1604	if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags);	1659	if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags);
1605	#endif	1660	#endif
1606		1661
1607	ev_prepare_init (&pending_w, pendingcb);	1662	ev_prepare_init (&pending_w, pendingcb);
1608		1663
		1664	#if EV_SIGNAL_ENABLE \|\| EV_ASYNC_ENABLE
1609	ev_init (&pipe_w, pipecb);	1665	ev_init (&pipe_w, pipecb);
1610	ev_set_priority (&pipe_w, EV_MAXPRI);	1666	ev_set_priority (&pipe_w, EV_MAXPRI);
		1667	#endif
1611	}	1668	}
1612	}	1669	}
1613		1670
1614	/* free up a loop structure */	1671	/* free up a loop structure */
1615	static void noinline	1672	static void noinline
…		…
1634	}	1691	}
1635	}	1692	}
1636		1693
1637	#if EV_USE_SIGNALFD	1694	#if EV_USE_SIGNALFD
1638	if (ev_is_active (&sigfd_w))	1695	if (ev_is_active (&sigfd_w))
1639	{
1640	/ev_ref (EV_A);/
1641	/ev_io_stop (EV_A_ &sigfd_w);/
1642
1643	close (sigfd);	1696	close (sigfd);
1644	}
1645	#endif	1697	#endif
1646		1698
1647	#if EV_USE_INOTIFY	1699	#if EV_USE_INOTIFY
1648	if (fs_fd >= 0)	1700	if (fs_fd >= 0)
1649	close (fs_fd);	1701	close (fs_fd);
…		…
1738	{	1790	{
1739	EV_WIN32_CLOSE_FD (evpipe [0]);	1791	EV_WIN32_CLOSE_FD (evpipe [0]);
1740	EV_WIN32_CLOSE_FD (evpipe [1]);	1792	EV_WIN32_CLOSE_FD (evpipe [1]);
1741	}	1793	}
1742		1794
		1795	#if EV_SIGNAL_ENABLE \|\| EV_ASYNC_ENABLE
1743	evpipe_init (EV_A);	1796	evpipe_init (EV_A);
1744	/* now iterate over everything, in case we missed something */	1797	/* now iterate over everything, in case we missed something */
1745	pipecb (EV_A_ &pipe_w, EV_READ);	1798	pipecb (EV_A_ &pipe_w, EV_READ);
		1799	#endif
1746	}	1800	}
1747		1801
1748	postfork = 0;	1802	postfork = 0;
1749	}	1803	}
1750		1804
…		…
1812	verify_watcher (EV_A_ ws [cnt]);	1866	verify_watcher (EV_A_ ws [cnt]);
1813	}	1867	}
1814	}	1868	}
1815	#endif	1869	#endif
1816		1870
1817	#if EV_MINIMAL < 2	1871	#if EV_FEATURE_API
1818	void	1872	void
1819	ev_loop_verify (EV_P)	1873	ev_verify (EV_P)
1820	{	1874	{
1821	#if EV_VERIFY	1875	#if EV_VERIFY
1822	int i;	1876	int i;
1823	WL w;	1877	WL w;
1824		1878
…		…
1863	#if EV_ASYNC_ENABLE	1917	#if EV_ASYNC_ENABLE
1864	assert (asyncmax >= asynccnt);	1918	assert (asyncmax >= asynccnt);
1865	array_verify (EV_A_ (W *)asyncs, asynccnt);	1919	array_verify (EV_A_ (W *)asyncs, asynccnt);
1866	#endif	1920	#endif
1867		1921
		1922	#if EV_PREPARE_ENABLE
1868	assert (preparemax >= preparecnt);	1923	assert (preparemax >= preparecnt);
1869	array_verify (EV_A_ (W *)prepares, preparecnt);	1924	array_verify (EV_A_ (W *)prepares, preparecnt);
		1925	#endif
1870		1926
		1927	#if EV_CHECK_ENABLE
1871	assert (checkmax >= checkcnt);	1928	assert (checkmax >= checkcnt);
1872	array_verify (EV_A_ (W *)checks, checkcnt);	1929	array_verify (EV_A_ (W *)checks, checkcnt);
		1930	#endif
1873		1931
1874	# if 0	1932	# if 0
		1933	#if EV_CHILD_ENABLE
1875	for (w = (ev_child )childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child )((WL)w)->next)	1934	for (w = (ev_child )childs [chain & ((EV_PID_HASHSIZE) - 1)]; w; w = (ev_child )((WL)w)->next)
1876	for (signum = EV_NSIG; signum--; ) if (signals [signum].pending)	1935	for (signum = EV_NSIG; signum--; ) if (signals [signum].pending)
		1936	#endif
1877	# endif	1937	# endif
1878	#endif	1938	#endif
1879	}	1939	}
1880	#endif	1940	#endif
1881		1941
…		…
1897		1957
1898	loop_init (EV_A_ flags);	1958	loop_init (EV_A_ flags);
1899		1959
1900	if (ev_backend (EV_A))	1960	if (ev_backend (EV_A))
1901	{	1961	{
1902	#ifndef _WIN32	1962	#if EV_CHILD_ENABLE
1903	ev_signal_init (&childev, childcb, SIGCHLD);	1963	ev_signal_init (&childev, childcb, SIGCHLD);
1904	ev_set_priority (&childev, EV_MAXPRI);	1964	ev_set_priority (&childev, EV_MAXPRI);
1905	ev_signal_start (EV_A_ &childev);	1965	ev_signal_start (EV_A_ &childev);
1906	ev_unref (EV_A); /* child watcher should not keep loop alive */	1966	ev_unref (EV_A); /* child watcher should not keep loop alive */
1907	#endif	1967	#endif
…		…
1920	EV_P = ev_default_loop_ptr;	1980	EV_P = ev_default_loop_ptr;
1921	#endif	1981	#endif
1922		1982
1923	ev_default_loop_ptr = 0;	1983	ev_default_loop_ptr = 0;
1924		1984
1925	#ifndef _WIN32	1985	#if EV_CHILD_ENABLE
1926	ev_ref (EV_A); /* child watcher */	1986	ev_ref (EV_A); /* child watcher */
1927	ev_signal_stop (EV_A_ &childev);	1987	ev_signal_stop (EV_A_ &childev);
1928	#endif	1988	#endif
1929		1989
1930	loop_destroy (EV_A);	1990	loop_destroy (EV_A);
…		…
2036	EV_FREQUENT_CHECK;	2096	EV_FREQUENT_CHECK;
2037	feed_reverse (EV_A_ (W)w);	2097	feed_reverse (EV_A_ (W)w);
2038	}	2098	}
2039	while (timercnt && ANHE_at (timers [HEAP0]) < mn_now);	2099	while (timercnt && ANHE_at (timers [HEAP0]) < mn_now);
2040		2100
2041	feed_reverse_done (EV_A_ EV_TIMEOUT);	2101	feed_reverse_done (EV_A_ EV_TIMER);
2042	}	2102	}
2043	}	2103	}
2044		2104
2045	#if EV_PERIODIC_ENABLE	2105	#if EV_PERIODIC_ENABLE
2046	/* make periodics pending */	2106	/* make periodics pending */
…		…
2137	ANHE_at_cache (*he);	2197	ANHE_at_cache (*he);
2138	}	2198	}
2139	}	2199	}
2140		2200
2141	/* fetch new monotonic and realtime times from the kernel */	2201	/* fetch new monotonic and realtime times from the kernel */
2142	/* also detetc if there was a timejump, and act accordingly */	2202	/* also detect if there was a timejump, and act accordingly */
2143	inline_speed void	2203	inline_speed void
2144	time_update (EV_P_ ev_tstamp max_block)	2204	time_update (EV_P_ ev_tstamp max_block)
2145	{	2205	{
2146	#if EV_USE_MONOTONIC	2206	#if EV_USE_MONOTONIC
2147	if (expect_true (have_monotonic))	2207	if (expect_true (have_monotonic))
…		…
2207	}	2267	}
2208		2268
2209	void	2269	void
2210	ev_loop (EV_P_ int flags)	2270	ev_loop (EV_P_ int flags)
2211	{	2271	{
2212	#if EV_MINIMAL < 2	2272	#if EV_FEATURE_API
2213	++loop_depth;	2273	++loop_depth;
2214	#endif	2274	#endif
2215		2275
2216	assert (("libev: ev_loop recursion during release detected", loop_done != EVUNLOOP_RECURSE));	2276	assert (("libev: ev_loop recursion during release detected", loop_done != EVUNLOOP_RECURSE));
2217		2277
…		…
2220	EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */	2280	EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */
2221		2281
2222	do	2282	do
2223	{	2283	{
2224	#if EV_VERIFY >= 2	2284	#if EV_VERIFY >= 2
2225	ev_loop_verify (EV_A);	2285	ev_verify (EV_A);
2226	#endif	2286	#endif
2227		2287
2228	#ifndef _WIN32	2288	#ifndef _WIN32
2229	if (expect_false (curpid)) /* penalise the forking check even more */	2289	if (expect_false (curpid)) /* penalise the forking check even more */
2230	if (expect_false (getpid () != curpid))	2290	if (expect_false (getpid () != curpid))
…		…
2242	queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);	2302	queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);
2243	EV_INVOKE_PENDING;	2303	EV_INVOKE_PENDING;
2244	}	2304	}
2245	#endif	2305	#endif
2246		2306
		2307	#if EV_PREPARE_ENABLE
2247	/* queue prepare watchers (and execute them) */	2308	/* queue prepare watchers (and execute them) */
2248	if (expect_false (preparecnt))	2309	if (expect_false (preparecnt))
2249	{	2310	{
2250	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);	2311	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
2251	EV_INVOKE_PENDING;	2312	EV_INVOKE_PENDING;
2252	}	2313	}
		2314	#endif
2253		2315
2254	if (expect_false (loop_done))	2316	if (expect_false (loop_done))
2255	break;	2317	break;
2256		2318
2257	/* we might have forked, so reify kernel state if necessary */	2319	/* we might have forked, so reify kernel state if necessary */
…		…
2308	waittime -= sleeptime;	2370	waittime -= sleeptime;
2309	}	2371	}
2310	}	2372	}
2311	}	2373	}
2312		2374
2313	#if EV_MINIMAL < 2	2375	#if EV_FEATURE_API
2314	++loop_count;	2376	++loop_count;
2315	#endif	2377	#endif
2316	assert ((loop_done = EVUNLOOP_RECURSE, 1)); /* assert for side effect */	2378	assert ((loop_done = EVUNLOOP_RECURSE, 1)); /* assert for side effect */
2317	backend_poll (EV_A_ waittime);	2379	backend_poll (EV_A_ waittime);
2318	assert ((loop_done = EVUNLOOP_CANCEL, 1)); /* assert for side effect */	2380	assert ((loop_done = EVUNLOOP_CANCEL, 1)); /* assert for side effect */
…		…
2330	#if EV_IDLE_ENABLE	2392	#if EV_IDLE_ENABLE
2331	/* queue idle watchers unless other events are pending */	2393	/* queue idle watchers unless other events are pending */
2332	idle_reify (EV_A);	2394	idle_reify (EV_A);
2333	#endif	2395	#endif
2334		2396
		2397	#if EV_CHECK_ENABLE
2335	/* queue check watchers, to be executed first */	2398	/* queue check watchers, to be executed first */
2336	if (expect_false (checkcnt))	2399	if (expect_false (checkcnt))
2337	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);	2400	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
		2401	#endif
2338		2402
2339	EV_INVOKE_PENDING;	2403	EV_INVOKE_PENDING;
2340	}	2404	}
2341	while (expect_true (	2405	while (expect_true (
2342	activecnt	2406	activecnt
…		…
2345	));	2409	));
2346		2410
2347	if (loop_done == EVUNLOOP_ONE)	2411	if (loop_done == EVUNLOOP_ONE)
2348	loop_done = EVUNLOOP_CANCEL;	2412	loop_done = EVUNLOOP_CANCEL;
2349		2413
2350	#if EV_MINIMAL < 2	2414	#if EV_FEATURE_API
2351	--loop_depth;	2415	--loop_depth;
2352	#endif	2416	#endif
2353	}	2417	}
2354		2418
2355	void	2419	void
…		…
2481		2545
2482	if (expect_false (ev_is_active (w)))	2546	if (expect_false (ev_is_active (w)))
2483	return;	2547	return;
2484		2548
2485	assert (("libev: ev_io_start called with negative fd", fd >= 0));	2549	assert (("libev: ev_io_start called with negative fd", fd >= 0));
2486	assert (("libev: ev_io start called with illegal event mask", !(w->events & ~(EV__IOFDSET \| EV_READ \| EV_WRITE))));	2550	assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET \| EV_READ \| EV_WRITE))));
2487		2551
2488	EV_FREQUENT_CHECK;	2552	EV_FREQUENT_CHECK;
2489		2553
2490	ev_start (EV_A_ (W)w, 1);	2554	ev_start (EV_A_ (W)w, 1);
2491	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);	2555	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);
…		…
2561	timers [active] = timers [timercnt + HEAP0];	2625	timers [active] = timers [timercnt + HEAP0];
2562	adjustheap (timers, timercnt, active);	2626	adjustheap (timers, timercnt, active);
2563	}	2627	}
2564	}	2628	}
2565		2629
2566	EV_FREQUENT_CHECK;
2567
2568	ev_at (w) -= mn_now;	2630	ev_at (w) -= mn_now;
2569		2631
2570	ev_stop (EV_A_ (W)w);	2632	ev_stop (EV_A_ (W)w);
		2633
		2634	EV_FREQUENT_CHECK;
2571	}	2635	}
2572		2636
2573	void noinline	2637	void noinline
2574	ev_timer_again (EV_P_ ev_timer *w)	2638	ev_timer_again (EV_P_ ev_timer *w)
2575	{	2639	{
…		…
2654	periodics [active] = periodics [periodiccnt + HEAP0];	2718	periodics [active] = periodics [periodiccnt + HEAP0];
2655	adjustheap (periodics, periodiccnt, active);	2719	adjustheap (periodics, periodiccnt, active);
2656	}	2720	}
2657	}	2721	}
2658		2722
2659	EV_FREQUENT_CHECK;
2660
2661	ev_stop (EV_A_ (W)w);	2723	ev_stop (EV_A_ (W)w);
		2724
		2725	EV_FREQUENT_CHECK;
2662	}	2726	}
2663		2727
2664	void noinline	2728	void noinline
2665	ev_periodic_again (EV_P_ ev_periodic *w)	2729	ev_periodic_again (EV_P_ ev_periodic *w)
2666	{	2730	{
…		…
2671	#endif	2735	#endif
2672		2736
2673	#ifndef SA_RESTART	2737	#ifndef SA_RESTART
2674	# define SA_RESTART 0	2738	# define SA_RESTART 0
2675	#endif	2739	#endif
		2740
		2741	#if EV_SIGNAL_ENABLE
2676		2742
2677	void noinline	2743	void noinline
2678	ev_signal_start (EV_P_ ev_signal *w)	2744	ev_signal_start (EV_P_ ev_signal *w)
2679	{	2745	{
2680	if (expect_false (ev_is_active (w)))	2746	if (expect_false (ev_is_active (w)))
…		…
2727	if (!((WL)w)->next)	2793	if (!((WL)w)->next)
2728	# if EV_USE_SIGNALFD	2794	# if EV_USE_SIGNALFD
2729	if (sigfd < 0) /TODO/	2795	if (sigfd < 0) /TODO/
2730	# endif	2796	# endif
2731	{	2797	{
2732	# if _WIN32	2798	# ifdef _WIN32
		2799	evpipe_init (EV_A);
		2800
2733	signal (w->signum, ev_sighandler);	2801	signal (w->signum, ev_sighandler);
2734	# else	2802	# else
2735	struct sigaction sa;	2803	struct sigaction sa;
2736		2804
2737	evpipe_init (EV_A);	2805	evpipe_init (EV_A);
…		…
2768	signals [w->signum - 1].loop = 0; /* unattach from signal */	2836	signals [w->signum - 1].loop = 0; /* unattach from signal */
2769	#endif	2837	#endif
2770	#if EV_USE_SIGNALFD	2838	#if EV_USE_SIGNALFD
2771	if (sigfd >= 0)	2839	if (sigfd >= 0)
2772	{	2840	{
2773	sigprocmask (SIG_UNBLOCK, &sigfd_set, 0);//D	2841	sigset_t ss;
		2842
		2843	sigemptyset (&ss);
		2844	sigaddset (&ss, w->signum);
2774	sigdelset (&sigfd_set, w->signum);	2845	sigdelset (&sigfd_set, w->signum);
		2846
2775	signalfd (sigfd, &sigfd_set, 0);	2847	signalfd (sigfd, &sigfd_set, 0);
2776	sigprocmask (SIG_BLOCK, &sigfd_set, 0);//D	2848	sigprocmask (SIG_UNBLOCK, &ss, 0);
2777	/TODO: maybe unblock signal? /
2778	}	2849	}
2779	else	2850	else
2780	#endif	2851	#endif
2781	signal (w->signum, SIG_DFL);	2852	signal (w->signum, SIG_DFL);
2782	}	2853	}
2783		2854
2784	EV_FREQUENT_CHECK;	2855	EV_FREQUENT_CHECK;
2785	}	2856	}
2786		2857
		2858	#endif
		2859
		2860	#if EV_CHILD_ENABLE
		2861
2787	void	2862	void
2788	ev_child_start (EV_P_ ev_child *w)	2863	ev_child_start (EV_P_ ev_child *w)
2789	{	2864	{
2790	#if EV_MULTIPLICITY	2865	#if EV_MULTIPLICITY
2791	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));	2866	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
…		…
2794	return;	2869	return;
2795		2870
2796	EV_FREQUENT_CHECK;	2871	EV_FREQUENT_CHECK;
2797		2872
2798	ev_start (EV_A_ (W)w, 1);	2873	ev_start (EV_A_ (W)w, 1);
2799	wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);	2874	wlist_add (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w);
2800		2875
2801	EV_FREQUENT_CHECK;	2876	EV_FREQUENT_CHECK;
2802	}	2877	}
2803		2878
2804	void	2879	void
…		…
2808	if (expect_false (!ev_is_active (w)))	2883	if (expect_false (!ev_is_active (w)))
2809	return;	2884	return;
2810		2885
2811	EV_FREQUENT_CHECK;	2886	EV_FREQUENT_CHECK;
2812		2887
2813	wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);	2888	wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w);
2814	ev_stop (EV_A_ (W)w);	2889	ev_stop (EV_A_ (W)w);
2815		2890
2816	EV_FREQUENT_CHECK;	2891	EV_FREQUENT_CHECK;
2817	}	2892	}
		2893
		2894	#endif
2818		2895
2819	#if EV_STAT_ENABLE	2896	#if EV_STAT_ENABLE
2820		2897
2821	# ifdef _WIN32	2898	# ifdef _WIN32
2822	# undef lstat	2899	# undef lstat
…		…
2828	#define MIN_STAT_INTERVAL 0.1074891	2905	#define MIN_STAT_INTERVAL 0.1074891
2829		2906
2830	static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents);	2907	static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents);
2831		2908
2832	#if EV_USE_INOTIFY	2909	#if EV_USE_INOTIFY
2833	# define EV_INOTIFY_BUFSIZE 8192	2910
		2911	/* the * 2 is to allow for alignment padding, which for some reason is >> 8 */
		2912	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)
2834		2913
2835	static void noinline	2914	static void noinline
2836	infy_add (EV_P_ ev_stat *w)	2915	infy_add (EV_P_ ev_stat *w)
2837	{	2916	{
2838	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);	2917	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);
2839		2918
2840	if (w->wd < 0)	2919	if (w->wd >= 0)
		2920	{
		2921	struct statfs sfs;
		2922
		2923	/* now local changes will be tracked by inotify, but remote changes won't */
		2924	/* unless the filesystem is known to be local, we therefore still poll */
		2925	/* also do poll on <2.6.25, but with normal frequency */
		2926
		2927	if (!fs_2625)
		2928	w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;
		2929	else if (!statfs (w->path, &sfs)
		2930	&& (sfs.f_type == 0x1373 /* devfs */
		2931	\|\| sfs.f_type == 0xEF53 /* ext2/3 */
		2932	\|\| sfs.f_type == 0x3153464a /* jfs */
		2933	\|\| sfs.f_type == 0x52654973 /* reiser3 */
		2934	\|\| sfs.f_type == 0x01021994 /* tempfs */
		2935	\|\| sfs.f_type == 0x58465342 /* xfs */))
		2936	w->timer.repeat = 0.; /* filesystem is local, kernel new enough */
		2937	else
		2938	w->timer.repeat = w->interval ? w->interval : NFS_STAT_INTERVAL; /* remote, use reduced frequency */
2841	{	2939	}
		2940	else
		2941	{
		2942	/* can't use inotify, continue to stat */
2842	w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;	2943	w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;
2843	ev_timer_again (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */
2844		2944
2845	/* monitor some parent directory for speedup hints */	2945	/* if path is not there, monitor some parent directory for speedup hints */
2846	/* note that exceeding the hardcoded path limit is not a correctness issue, */	2946	/* note that exceeding the hardcoded path limit is not a correctness issue, */
2847	/* but an efficiency issue only */	2947	/* but an efficiency issue only */
2848	if ((errno == ENOENT \|\| errno == EACCES) && strlen (w->path) < 4096)	2948	if ((errno == ENOENT \|\| errno == EACCES) && strlen (w->path) < 4096)
2849	{	2949	{
2850	char path [4096];	2950	char path [4096];
…		…
2866	while (w->wd < 0 && (errno == ENOENT \|\| errno == EACCES));	2966	while (w->wd < 0 && (errno == ENOENT \|\| errno == EACCES));
2867	}	2967	}
2868	}	2968	}
2869		2969
2870	if (w->wd >= 0)	2970	if (w->wd >= 0)
2871	{
2872	struct statfs sfs;
2873
2874	wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w);	2971	wlist_add (&fs_hash [w->wd & ((EV_INOTIFY_HASHSIZE) - 1)].head, (WL)w);
2875		2972
2876	/* now local changes will be tracked by inotify, but remote changes won't */	2973	/* now re-arm timer, if required */
2877	/* unless the filesystem it known to be local, we therefore still poll */	2974	if (ev_is_active (&w->timer)) ev_ref (EV_A);
2878	/* also do poll on <2.6.25, but with normal frequency */
2879
2880	if (fs_2625 && !statfs (w->path, &sfs))
2881	if (sfs.f_type == 0x1373 /* devfs */
2882	\|\| sfs.f_type == 0xEF53 /* ext2/3 */
2883	\|\| sfs.f_type == 0x3153464a /* jfs */
2884	\|\| sfs.f_type == 0x52654973 /* reiser3 */
2885	\|\| sfs.f_type == 0x01021994 /* tempfs */
2886	\|\| sfs.f_type == 0x58465342 /* xfs */)
2887	return;
2888
2889	w->timer.repeat = w->interval ? w->interval : fs_2625 ? NFS_STAT_INTERVAL : DEF_STAT_INTERVAL;
2890	ev_timer_again (EV_A_ &w->timer);	2975	ev_timer_again (EV_A_ &w->timer);
2891	}	2976	if (ev_is_active (&w->timer)) ev_unref (EV_A);
2892	}	2977	}
2893		2978
2894	static void noinline	2979	static void noinline
2895	infy_del (EV_P_ ev_stat *w)	2980	infy_del (EV_P_ ev_stat *w)
2896	{	2981	{
…		…
2899		2984
2900	if (wd < 0)	2985	if (wd < 0)
2901	return;	2986	return;
2902		2987
2903	w->wd = -2;	2988	w->wd = -2;
2904	slot = wd & (EV_INOTIFY_HASHSIZE - 1);	2989	slot = wd & ((EV_INOTIFY_HASHSIZE) - 1);
2905	wlist_del (&fs_hash [slot].head, (WL)w);	2990	wlist_del (&fs_hash [slot].head, (WL)w);
2906		2991
2907	/* remove this watcher, if others are watching it, they will rearm */	2992	/* remove this watcher, if others are watching it, they will rearm */
2908	inotify_rm_watch (fs_fd, wd);	2993	inotify_rm_watch (fs_fd, wd);
2909	}	2994	}
…		…
2911	static void noinline	2996	static void noinline
2912	infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)	2997	infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)
2913	{	2998	{
2914	if (slot < 0)	2999	if (slot < 0)
2915	/* overflow, need to check for all hash slots */	3000	/* overflow, need to check for all hash slots */
2916	for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot)	3001	for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)
2917	infy_wd (EV_A_ slot, wd, ev);	3002	infy_wd (EV_A_ slot, wd, ev);
2918	else	3003	else
2919	{	3004	{
2920	WL w_;	3005	WL w_;
2921		3006
2922	for (w_ = fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head; w_; )	3007	for (w_ = fs_hash [slot & ((EV_INOTIFY_HASHSIZE) - 1)].head; w_; )
2923	{	3008	{
2924	ev_stat w = (ev_stat )w_;	3009	ev_stat w = (ev_stat )w_;
2925	w_ = w_->next; /* lets us remove this watcher and all before it */	3010	w_ = w_->next; /* lets us remove this watcher and all before it */
2926		3011
2927	if (w->wd == wd \|\| wd == -1)	3012	if (w->wd == wd \|\| wd == -1)
2928	{	3013	{
2929	if (ev->mask & (IN_IGNORED \| IN_UNMOUNT \| IN_DELETE_SELF))	3014	if (ev->mask & (IN_IGNORED \| IN_UNMOUNT \| IN_DELETE_SELF))
2930	{	3015	{
2931	wlist_del (&fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w);	3016	wlist_del (&fs_hash [slot & ((EV_INOTIFY_HASHSIZE) - 1)].head, (WL)w);
2932	w->wd = -1;	3017	w->wd = -1;
2933	infy_add (EV_A_ w); /* re-add, no matter what */	3018	infy_add (EV_A_ w); /* re-add, no matter what */
2934	}	3019	}
2935		3020
2936	stat_timer_cb (EV_A_ &w->timer, 0);	3021	stat_timer_cb (EV_A_ &w->timer, 0);
…		…
2941		3026
2942	static void	3027	static void
2943	infy_cb (EV_P_ ev_io *w, int revents)	3028	infy_cb (EV_P_ ev_io *w, int revents)
2944	{	3029	{
2945	char buf [EV_INOTIFY_BUFSIZE];	3030	char buf [EV_INOTIFY_BUFSIZE];
2946	struct inotify_event ev = (struct inotify_event )buf;
2947	int ofs;	3031	int ofs;
2948	int len = read (fs_fd, buf, sizeof (buf));	3032	int len = read (fs_fd, buf, sizeof (buf));
2949		3033
2950	for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len)	3034	for (ofs = 0; ofs < len; )
		3035	{
		3036	struct inotify_event ev = (struct inotify_event )(buf + ofs);
2951	infy_wd (EV_A_ ev->wd, ev->wd, ev);	3037	infy_wd (EV_A_ ev->wd, ev->wd, ev);
		3038	ofs += sizeof (struct inotify_event) + ev->len;
		3039	}
		3040	}
		3041
		3042	inline_size unsigned int
		3043	ev_linux_version (void)
		3044	{
		3045	struct utsname buf;
		3046	unsigned int v;
		3047	int i;
		3048	char *p = buf.release;
		3049
		3050	if (uname (&buf))
		3051	return 0;
		3052
		3053	for (i = 3+1; --i; )
		3054	{
		3055	unsigned int c = 0;
		3056
		3057	for (;;)
		3058	{
		3059	if (p >= '0' && p <= '9')
		3060	c = c * 10 + *p++ - '0';
		3061	else
		3062	{
		3063	p += *p == '.';
		3064	break;
		3065	}
		3066	}
		3067
		3068	v = (v << 8) \| c;
		3069	}
		3070
		3071	return v;
2952	}	3072	}
2953		3073
2954	inline_size void	3074	inline_size void
2955	check_2625 (EV_P)	3075	ev_check_2625 (EV_P)
2956	{	3076	{
2957	/* kernels < 2.6.25 are borked	3077	/* kernels < 2.6.25 are borked
2958	* http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html	3078	* http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html
2959	*/	3079	*/
2960	struct utsname buf;	3080	if (ev_linux_version () < 0x020619)
2961	int major, minor, micro;
2962
2963	if (uname (&buf))
2964	return;	3081	return;
2965		3082
2966	if (sscanf (buf.release, "%d.%d.%d", &major, &minor, &micro) != 3)
2967	return;
2968
2969	if (major < 2
2970	\|\| (major == 2 && minor < 6)
2971	\|\| (major == 2 && minor == 6 && micro < 25))
2972	return;
2973
2974	fs_2625 = 1;	3083	fs_2625 = 1;
		3084	}
		3085
		3086	inline_size int
		3087	infy_newfd (void)
		3088	{
		3089	#if defined (IN_CLOEXEC) && defined (IN_NONBLOCK)
		3090	int fd = inotify_init1 (IN_CLOEXEC \| IN_NONBLOCK);
		3091	if (fd >= 0)
		3092	return fd;
		3093	#endif
		3094	return inotify_init ();
2975	}	3095	}
2976		3096
2977	inline_size void	3097	inline_size void
2978	infy_init (EV_P)	3098	infy_init (EV_P)
2979	{	3099	{
2980	if (fs_fd != -2)	3100	if (fs_fd != -2)
2981	return;	3101	return;
2982		3102
2983	fs_fd = -1;	3103	fs_fd = -1;
2984		3104
2985	check_2625 (EV_A);	3105	ev_check_2625 (EV_A);
2986		3106
2987	fs_fd = inotify_init ();	3107	fs_fd = infy_newfd ();
2988		3108
2989	if (fs_fd >= 0)	3109	if (fs_fd >= 0)
2990	{	3110	{
		3111	fd_intern (fs_fd);
2991	ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ);	3112	ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ);
2992	ev_set_priority (&fs_w, EV_MAXPRI);	3113	ev_set_priority (&fs_w, EV_MAXPRI);
2993	ev_io_start (EV_A_ &fs_w);	3114	ev_io_start (EV_A_ &fs_w);
		3115	ev_unref (EV_A);
2994	}	3116	}
2995	}	3117	}
2996		3118
2997	inline_size void	3119	inline_size void
2998	infy_fork (EV_P)	3120	infy_fork (EV_P)
…		…
3000	int slot;	3122	int slot;
3001		3123
3002	if (fs_fd < 0)	3124	if (fs_fd < 0)
3003	return;	3125	return;
3004		3126
		3127	ev_ref (EV_A);
		3128	ev_io_stop (EV_A_ &fs_w);
3005	close (fs_fd);	3129	close (fs_fd);
3006	fs_fd = inotify_init ();	3130	fs_fd = infy_newfd ();
3007		3131
		3132	if (fs_fd >= 0)
		3133	{
		3134	fd_intern (fs_fd);
		3135	ev_io_set (&fs_w, fs_fd, EV_READ);
		3136	ev_io_start (EV_A_ &fs_w);
		3137	ev_unref (EV_A);
		3138	}
		3139
3008	for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot)	3140	for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)
3009	{	3141	{
3010	WL w_ = fs_hash [slot].head;	3142	WL w_ = fs_hash [slot].head;
3011	fs_hash [slot].head = 0;	3143	fs_hash [slot].head = 0;
3012		3144
3013	while (w_)	3145	while (w_)
…		…
3018	w->wd = -1;	3150	w->wd = -1;
3019		3151
3020	if (fs_fd >= 0)	3152	if (fs_fd >= 0)
3021	infy_add (EV_A_ w); /* re-add, no matter what */	3153	infy_add (EV_A_ w); /* re-add, no matter what */
3022	else	3154	else
		3155	{
		3156	w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;
		3157	if (ev_is_active (&w->timer)) ev_ref (EV_A);
3023	ev_timer_again (EV_A_ &w->timer);	3158	ev_timer_again (EV_A_ &w->timer);
		3159	if (ev_is_active (&w->timer)) ev_unref (EV_A);
		3160	}
3024	}	3161	}
3025	}	3162	}
3026	}	3163	}
3027		3164
3028	#endif	3165	#endif
…		…
3045	static void noinline	3182	static void noinline
3046	stat_timer_cb (EV_P_ ev_timer *w_, int revents)	3183	stat_timer_cb (EV_P_ ev_timer *w_, int revents)
3047	{	3184	{
3048	ev_stat w = (ev_stat )(((char *)w_) - offsetof (ev_stat, timer));	3185	ev_stat w = (ev_stat )(((char *)w_) - offsetof (ev_stat, timer));
3049		3186
3050	/* we copy this here each the time so that */	3187	ev_statdata prev = w->attr;
3051	/* prev has the old value when the callback gets invoked */
3052	w->prev = w->attr;
3053	ev_stat_stat (EV_A_ w);	3188	ev_stat_stat (EV_A_ w);
3054		3189
3055	/* memcmp doesn't work on netbsd, they.... do stuff to their struct stat */	3190	/* memcmp doesn't work on netbsd, they.... do stuff to their struct stat */
3056	if (	3191	if (
3057	w->prev.st_dev != w->attr.st_dev	3192	prev.st_dev != w->attr.st_dev
3058	\|\| w->prev.st_ino != w->attr.st_ino	3193	\|\| prev.st_ino != w->attr.st_ino
3059	\|\| w->prev.st_mode != w->attr.st_mode	3194	\|\| prev.st_mode != w->attr.st_mode
3060	\|\| w->prev.st_nlink != w->attr.st_nlink	3195	\|\| prev.st_nlink != w->attr.st_nlink
3061	\|\| w->prev.st_uid != w->attr.st_uid	3196	\|\| prev.st_uid != w->attr.st_uid
3062	\|\| w->prev.st_gid != w->attr.st_gid	3197	\|\| prev.st_gid != w->attr.st_gid
3063	\|\| w->prev.st_rdev != w->attr.st_rdev	3198	\|\| prev.st_rdev != w->attr.st_rdev
3064	\|\| w->prev.st_size != w->attr.st_size	3199	\|\| prev.st_size != w->attr.st_size
3065	\|\| w->prev.st_atime != w->attr.st_atime	3200	\|\| prev.st_atime != w->attr.st_atime
3066	\|\| w->prev.st_mtime != w->attr.st_mtime	3201	\|\| prev.st_mtime != w->attr.st_mtime
3067	\|\| w->prev.st_ctime != w->attr.st_ctime	3202	\|\| prev.st_ctime != w->attr.st_ctime
3068	) {	3203	) {
		3204	/* we only update w->prev on actual differences */
		3205	/* in case we test more often than invoke the callback, */
		3206	/* to ensure that prev is always different to attr */
		3207	w->prev = prev;
		3208
3069	#if EV_USE_INOTIFY	3209	#if EV_USE_INOTIFY
3070	if (fs_fd >= 0)	3210	if (fs_fd >= 0)
3071	{	3211	{
3072	infy_del (EV_A_ w);	3212	infy_del (EV_A_ w);
3073	infy_add (EV_A_ w);	3213	infy_add (EV_A_ w);
…		…
3098		3238
3099	if (fs_fd >= 0)	3239	if (fs_fd >= 0)
3100	infy_add (EV_A_ w);	3240	infy_add (EV_A_ w);
3101	else	3241	else
3102	#endif	3242	#endif
		3243	{
3103	ev_timer_again (EV_A_ &w->timer);	3244	ev_timer_again (EV_A_ &w->timer);
		3245	ev_unref (EV_A);
		3246	}
3104		3247
3105	ev_start (EV_A_ (W)w, 1);	3248	ev_start (EV_A_ (W)w, 1);
3106		3249
3107	EV_FREQUENT_CHECK;	3250	EV_FREQUENT_CHECK;
3108	}	3251	}
…		…
3117	EV_FREQUENT_CHECK;	3260	EV_FREQUENT_CHECK;
3118		3261
3119	#if EV_USE_INOTIFY	3262	#if EV_USE_INOTIFY
3120	infy_del (EV_A_ w);	3263	infy_del (EV_A_ w);
3121	#endif	3264	#endif
		3265
		3266	if (ev_is_active (&w->timer))
		3267	{
		3268	ev_ref (EV_A);
3122	ev_timer_stop (EV_A_ &w->timer);	3269	ev_timer_stop (EV_A_ &w->timer);
		3270	}
3123		3271
3124	ev_stop (EV_A_ (W)w);	3272	ev_stop (EV_A_ (W)w);
3125		3273
3126	EV_FREQUENT_CHECK;	3274	EV_FREQUENT_CHECK;
3127	}	3275	}
…		…
3172		3320
3173	EV_FREQUENT_CHECK;	3321	EV_FREQUENT_CHECK;
3174	}	3322	}
3175	#endif	3323	#endif
3176		3324
		3325	#if EV_PREPARE_ENABLE
3177	void	3326	void
3178	ev_prepare_start (EV_P_ ev_prepare *w)	3327	ev_prepare_start (EV_P_ ev_prepare *w)
3179	{	3328	{
3180	if (expect_false (ev_is_active (w)))	3329	if (expect_false (ev_is_active (w)))
3181	return;	3330	return;
…		…
3207		3356
3208	ev_stop (EV_A_ (W)w);	3357	ev_stop (EV_A_ (W)w);
3209		3358
3210	EV_FREQUENT_CHECK;	3359	EV_FREQUENT_CHECK;
3211	}	3360	}
		3361	#endif
3212		3362
		3363	#if EV_CHECK_ENABLE
3213	void	3364	void
3214	ev_check_start (EV_P_ ev_check *w)	3365	ev_check_start (EV_P_ ev_check *w)
3215	{	3366	{
3216	if (expect_false (ev_is_active (w)))	3367	if (expect_false (ev_is_active (w)))
3217	return;	3368	return;
…		…
3243		3394
3244	ev_stop (EV_A_ (W)w);	3395	ev_stop (EV_A_ (W)w);
3245		3396
3246	EV_FREQUENT_CHECK;	3397	EV_FREQUENT_CHECK;
3247	}	3398	}
		3399	#endif
3248		3400
3249	#if EV_EMBED_ENABLE	3401	#if EV_EMBED_ENABLE
3250	void noinline	3402	void noinline
3251	ev_embed_sweep (EV_P_ ev_embed *w)	3403	ev_embed_sweep (EV_P_ ev_embed *w)
3252	{	3404	{
…		…
3347		3499
3348	ev_io_stop (EV_A_ &w->io);	3500	ev_io_stop (EV_A_ &w->io);
3349	ev_prepare_stop (EV_A_ &w->prepare);	3501	ev_prepare_stop (EV_A_ &w->prepare);
3350	ev_fork_stop (EV_A_ &w->fork);	3502	ev_fork_stop (EV_A_ &w->fork);
3351		3503
		3504	ev_stop (EV_A_ (W)w);
		3505
3352	EV_FREQUENT_CHECK;	3506	EV_FREQUENT_CHECK;
3353	}	3507	}
3354	#endif	3508	#endif
3355		3509
3356	#if EV_FORK_ENABLE	3510	#if EV_FORK_ENABLE
…		…
3482	{	3636	{
3483	struct ev_once once = (struct ev_once )ev_malloc (sizeof (struct ev_once));	3637	struct ev_once once = (struct ev_once )ev_malloc (sizeof (struct ev_once));
3484		3638
3485	if (expect_false (!once))	3639	if (expect_false (!once))
3486	{	3640	{
3487	cb (EV_ERROR \| EV_READ \| EV_WRITE \| EV_TIMEOUT, arg);	3641	cb (EV_ERROR \| EV_READ \| EV_WRITE \| EV_TIMER, arg);
3488	return;	3642	return;
3489	}	3643	}
3490		3644
3491	once->cb = cb;	3645	once->cb = cb;
3492	once->arg = arg;	3646	once->arg = arg;
…		…
3579	if (types & EV_ASYNC)	3733	if (types & EV_ASYNC)
3580	for (i = asynccnt; i--; )	3734	for (i = asynccnt; i--; )
3581	cb (EV_A_ EV_ASYNC, asyncs [i]);	3735	cb (EV_A_ EV_ASYNC, asyncs [i]);
3582	#endif	3736	#endif
3583		3737
		3738	#if EV_PREPARE_ENABLE
3584	if (types & EV_PREPARE)	3739	if (types & EV_PREPARE)
3585	for (i = preparecnt; i--; )	3740	for (i = preparecnt; i--; )
3586	#if EV_EMBED_ENABLE	3741	# if EV_EMBED_ENABLE
3587	if (ev_cb (prepares [i]) != embed_prepare_cb)	3742	if (ev_cb (prepares [i]) != embed_prepare_cb)
3588	#endif	3743	# endif
3589	cb (EV_A_ EV_PREPARE, prepares [i]);	3744	cb (EV_A_ EV_PREPARE, prepares [i]);
		3745	#endif
3590		3746
		3747	#if EV_CHECK_ENABLE
3591	if (types & EV_CHECK)	3748	if (types & EV_CHECK)
3592	for (i = checkcnt; i--; )	3749	for (i = checkcnt; i--; )
3593	cb (EV_A_ EV_CHECK, checks [i]);	3750	cb (EV_A_ EV_CHECK, checks [i]);
		3751	#endif
3594		3752
		3753	#if EV_SIGNAL_ENABLE
3595	if (types & EV_SIGNAL)	3754	if (types & EV_SIGNAL)
3596	for (i = 0; i < EV_NSIG - 1; ++i)	3755	for (i = 0; i < EV_NSIG - 1; ++i)
3597	for (wl = signals [i].head; wl; )	3756	for (wl = signals [i].head; wl; )
3598	{	3757	{
3599	wn = wl->next;	3758	wn = wl->next;
3600	cb (EV_A_ EV_SIGNAL, wl);	3759	cb (EV_A_ EV_SIGNAL, wl);
3601	wl = wn;	3760	wl = wn;
3602	}	3761	}
		3762	#endif
3603		3763
		3764	#if EV_CHILD_ENABLE
3604	if (types & EV_CHILD)	3765	if (types & EV_CHILD)
3605	for (i = EV_PID_HASHSIZE; i--; )	3766	for (i = (EV_PID_HASHSIZE); i--; )
3606	for (wl = childs [i]; wl; )	3767	for (wl = childs [i]; wl; )
3607	{	3768	{
3608	wn = wl->next;	3769	wn = wl->next;
3609	cb (EV_A_ EV_CHILD, wl);	3770	cb (EV_A_ EV_CHILD, wl);
3610	wl = wn;	3771	wl = wn;
3611	}	3772	}
		3773	#endif
3612	/* EV_STAT 0x00001000 /* stat data changed */	3774	/* EV_STAT 0x00001000 /* stat data changed */
3613	/* EV_EMBED 0x00010000 /* embedded event loop needs sweep */	3775	/* EV_EMBED 0x00010000 /* embedded event loop needs sweep */
3614	}	3776	}
3615	#endif	3777	#endif
3616		3778

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Comparing libev/ev.c (file contents): Revision 1.313 by root, Wed Aug 19 23:44:51 2009 UTC vs. Revision 1.341 by root, Tue Mar 16 20:48:29 2010 UTC

Diff Legend

Comparing libev/ev.c (file contents):
Revision 1.313 by root, Wed Aug 19 23:44:51 2009 UTC vs.
Revision 1.341 by root, Tue Mar 16 20:48:29 2010 UTC