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Comparing libev/ev.c (file contents):
Revision 1.305 by root, Sun Jul 19 03:49:04 2009 UTC vs.
Revision 1.342 by root, Mon Mar 29 12:40:57 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 64	219	# define EV_NSIG 65
216	#endif	220	#endif
217		221
218	/* Default to some arbitrary number that's big enough to get most
219	of the common signals.
220	*/
221	#ifndef NSIG
222	# define NSIG 50
223	#endif
224	/* <-- NSIG logic from Configure */
225	#ifndef EV_USE_CLOCK_SYSCALL	222	#ifndef EV_USE_CLOCK_SYSCALL
226	# if __linux && __GLIBC__ >= 2	223	# if __linux && __GLIBC__ >= 2
227	# define EV_USE_CLOCK_SYSCALL 1	224	# define EV_USE_CLOCK_SYSCALL EV_FEATURE_OS
228	# else	225	# else
229	# define EV_USE_CLOCK_SYSCALL 0	226	# define EV_USE_CLOCK_SYSCALL 0
230	# endif	227	# endif
231	#endif	228	#endif
232		229
233	#ifndef EV_USE_MONOTONIC	230	#ifndef EV_USE_MONOTONIC
234	# if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0	231	# if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0
235	# define EV_USE_MONOTONIC 1	232	# define EV_USE_MONOTONIC EV_FEATURE_OS
236	# else	233	# else
237	# define EV_USE_MONOTONIC 0	234	# define EV_USE_MONOTONIC 0
238	# endif	235	# endif
239	#endif	236	#endif
240		237
…		…
242	# define EV_USE_REALTIME !EV_USE_CLOCK_SYSCALL	239	# define EV_USE_REALTIME !EV_USE_CLOCK_SYSCALL
243	#endif	240	#endif
244		241
245	#ifndef EV_USE_NANOSLEEP	242	#ifndef EV_USE_NANOSLEEP
246	# if _POSIX_C_SOURCE >= 199309L	243	# if _POSIX_C_SOURCE >= 199309L
247	# define EV_USE_NANOSLEEP 1	244	# define EV_USE_NANOSLEEP EV_FEATURE_OS
248	# else	245	# else
249	# define EV_USE_NANOSLEEP 0	246	# define EV_USE_NANOSLEEP 0
250	# endif	247	# endif
251	#endif	248	#endif
252		249
253	#ifndef EV_USE_SELECT	250	#ifndef EV_USE_SELECT
254	# define EV_USE_SELECT 1	251	# define EV_USE_SELECT EV_FEATURE_BACKENDS
255	#endif	252	#endif
256		253
257	#ifndef EV_USE_POLL	254	#ifndef EV_USE_POLL
258	# ifdef _WIN32	255	# ifdef _WIN32
259	# define EV_USE_POLL 0	256	# define EV_USE_POLL 0
260	# else	257	# else
261	# define EV_USE_POLL 1	258	# define EV_USE_POLL EV_FEATURE_BACKENDS
262	# endif	259	# endif
263	#endif	260	#endif
264		261
265	#ifndef EV_USE_EPOLL	262	#ifndef EV_USE_EPOLL
266	# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))	263	# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))
267	# define EV_USE_EPOLL 1	264	# define EV_USE_EPOLL EV_FEATURE_BACKENDS
268	# else	265	# else
269	# define EV_USE_EPOLL 0	266	# define EV_USE_EPOLL 0
270	# endif	267	# endif
271	#endif	268	#endif
272		269
…		…
278	# define EV_USE_PORT 0	275	# define EV_USE_PORT 0
279	#endif	276	#endif
280		277
281	#ifndef EV_USE_INOTIFY	278	#ifndef EV_USE_INOTIFY
282	# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))	279	# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))
283	# define EV_USE_INOTIFY 1	280	# define EV_USE_INOTIFY EV_FEATURE_OS
284	# else	281	# else
285	# define EV_USE_INOTIFY 0	282	# define EV_USE_INOTIFY 0
286	# endif	283	# endif
287	#endif	284	#endif
288		285
289	#ifndef EV_PID_HASHSIZE	286	#ifndef EV_PID_HASHSIZE
290	# if EV_MINIMAL	287	# define EV_PID_HASHSIZE EV_FEATURE_DATA ? 16 : 1
291	# define EV_PID_HASHSIZE 1
292	# else
293	# define EV_PID_HASHSIZE 16
294	# endif
295	#endif	288	#endif
296		289
297	#ifndef EV_INOTIFY_HASHSIZE	290	#ifndef EV_INOTIFY_HASHSIZE
298	# if EV_MINIMAL	291	# define EV_INOTIFY_HASHSIZE EV_FEATURE_DATA ? 16 : 1
299	# define EV_INOTIFY_HASHSIZE 1
300	# else
301	# define EV_INOTIFY_HASHSIZE 16
302	# endif
303	#endif	292	#endif
304		293
305	#ifndef EV_USE_EVENTFD	294	#ifndef EV_USE_EVENTFD
306	# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7))	295	# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7))
307	# define EV_USE_EVENTFD 1	296	# define EV_USE_EVENTFD EV_FEATURE_OS
308	# else	297	# else
309	# define EV_USE_EVENTFD 0	298	# define EV_USE_EVENTFD 0
310	# endif	299	# endif
311	#endif	300	#endif
312		301
313	#ifndef EV_USE_SIGNALFD	302	#ifndef EV_USE_SIGNALFD
314	# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 9))	303	# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7))
315	# define EV_USE_SIGNALFD 1	304	# define EV_USE_SIGNALFD EV_FEATURE_OS
316	# else	305	# else
317	# define EV_USE_SIGNALFD 0	306	# define EV_USE_SIGNALFD 0
318	# endif	307	# endif
319	#endif	308	#endif
320		309
…		…
323	# define EV_USE_4HEAP 1	312	# define EV_USE_4HEAP 1
324	# define EV_HEAP_CACHE_AT 1	313	# define EV_HEAP_CACHE_AT 1
325	#endif	314	#endif
326		315
327	#ifndef EV_VERIFY	316	#ifndef EV_VERIFY
328	# define EV_VERIFY !EV_MINIMAL	317	# define EV_VERIFY (EV_FEATURE_API ? 1 : 0)
329	#endif	318	#endif
330		319
331	#ifndef EV_USE_4HEAP	320	#ifndef EV_USE_4HEAP
332	# define EV_USE_4HEAP !EV_MINIMAL	321	# define EV_USE_4HEAP EV_FEATURE_DATA
333	#endif	322	#endif
334		323
335	#ifndef EV_HEAP_CACHE_AT	324	#ifndef EV_HEAP_CACHE_AT
336	# define EV_HEAP_CACHE_AT !EV_MINIMAL	325	# define EV_HEAP_CACHE_AT EV_FEATURE_DATA
337	#endif	326	#endif
338		327
339	/* 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, */
340	/* which makes programs even slower. might work on other unices, too. */	329	/* which makes programs even slower. might work on other unices, too. */
341	#if EV_USE_CLOCK_SYSCALL	330	#if EV_USE_CLOCK_SYSCALL
…		…
350	# endif	339	# endif
351	#endif	340	#endif
352		341
353	/* 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 */
354		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
355	#ifndef CLOCK_MONOTONIC	350	#ifndef CLOCK_MONOTONIC
356	# undef EV_USE_MONOTONIC	351	# undef EV_USE_MONOTONIC
357	# define EV_USE_MONOTONIC 0	352	# define EV_USE_MONOTONIC 0
358	#endif	353	#endif
359		354
…		…
393	# include <stdint.h>	388	# include <stdint.h>
394	# ifndef EFD_NONBLOCK	389	# ifndef EFD_NONBLOCK
395	# define EFD_NONBLOCK O_NONBLOCK	390	# define EFD_NONBLOCK O_NONBLOCK
396	# endif	391	# endif
397	# ifndef EFD_CLOEXEC	392	# ifndef EFD_CLOEXEC
		393	# ifdef O_CLOEXEC
398	# define EFD_CLOEXEC O_CLOEXEC	394	# define EFD_CLOEXEC O_CLOEXEC
		395	# else
		396	# define EFD_CLOEXEC 02000000
		397	# endif
399	# endif	398	# endif
400	# ifdef __cplusplus	399	# ifdef __cplusplus
401	extern "C" {	400	extern "C" {
402	# endif	401	# endif
403	int eventfd (unsigned int initval, int flags);	402	int (eventfd) (unsigned int initval, int flags);
404	# ifdef __cplusplus	403	# ifdef __cplusplus
405	}	404	}
406	# endif	405	# endif
407	#endif	406	#endif
408		407
409	#if EV_USE_SIGNALFD	408	#if EV_USE_SIGNALFD
410	# 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
411	#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
412		436
413	/**/	437	/**/
414		438
415	#if EV_VERIFY >= 3	439	#if EV_VERIFY >= 3
416	# define EV_FREQUENT_CHECK ev_loop_verify (EV_A)	440	# define EV_FREQUENT_CHECK ev_verify (EV_A)
417	#else	441	#else
418	# define EV_FREQUENT_CHECK do { } while (0)	442	# define EV_FREQUENT_CHECK do { } while (0)
419	#endif	443	#endif
420		444
421	/*	445	/*
…		…
428	*/	452	*/
429	#define TIME_EPSILON 0.0001220703125 /* 1/8192 */	453	#define TIME_EPSILON 0.0001220703125 /* 1/8192 */
430		454
431	#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) */
432	#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) */
433	/*#define CLEANUP_INTERVAL (MAX_BLOCKTIME * 5.) /* how often to try to free memory and re-check fds, TODO */
434		457
435	#if __GNUC__ >= 4	458	#if __GNUC__ >= 4
436	# define expect(expr,value) __builtin_expect ((expr),(value))	459	# define expect(expr,value) __builtin_expect ((expr),(value))
437	# define noinline __attribute__ ((noinline))	460	# define noinline __attribute__ ((noinline))
438	#else	461	#else
…		…
445		468
446	#define expect_false(expr) expect ((expr) != 0, 0)	469	#define expect_false(expr) expect ((expr) != 0, 0)
447	#define expect_true(expr) expect ((expr) != 0, 1)	470	#define expect_true(expr) expect ((expr) != 0, 1)
448	#define inline_size static inline	471	#define inline_size static inline
449		472
450	#if EV_MINIMAL	473	#if EV_FEATURE_CODE
		474	# define inline_speed static inline
		475	#else
451	# define inline_speed static noinline	476	# define inline_speed static noinline
452	#else
453	# define inline_speed static inline
454	#endif	477	#endif
455		478
456	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)	479	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
457		480
458	#if EV_MINPRI == EV_MAXPRI	481	#if EV_MINPRI == EV_MAXPRI
…		…
479		502
480	#if EV_USE_MONOTONIC	503	#if EV_USE_MONOTONIC
481	static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */	504	static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */
482	#endif	505	#endif
483		506
		507	#ifndef EV_FD_TO_WIN32_HANDLE
		508	# define EV_FD_TO_WIN32_HANDLE(fd) _get_osfhandle (fd)
		509	#endif
		510	#ifndef EV_WIN32_HANDLE_TO_FD
		511	# define EV_WIN32_HANDLE_TO_FD(handle) _open_osfhandle (handle, 0)
		512	#endif
		513	#ifndef EV_WIN32_CLOSE_FD
		514	# define EV_WIN32_CLOSE_FD(fd) close (fd)
		515	#endif
		516
484	#ifdef _WIN32	517	#ifdef _WIN32
485	# include "ev_win32.c"	518	# include "ev_win32.c"
486	#endif	519	#endif
487		520
488	/*****************************************************************************/	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
489		530
490	static void (*syserr_cb)(const char *msg);	531	static void (*syserr_cb)(const char *msg);
491		532
492	void	533	void
493	ev_set_syserr_cb (void (*cb)(const char *msg))	534	ev_set_syserr_cb (void (*cb)(const char *msg))
…		…
503		544
504	if (syserr_cb)	545	if (syserr_cb)
505	syserr_cb (msg);	546	syserr_cb (msg);
506	else	547	else
507	{	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
508	perror (msg);	557	perror (msg);
		558	#endif
509	abort ();	559	abort ();
510	}	560	}
511	}	561	}
512		562
513	static void *	563	static void *
514	ev_realloc_emul (void *ptr, long size)	564	ev_realloc_emul (void *ptr, long size)
515	{	565	{
		566	#if __GLIBC__
		567	return realloc (ptr, size);
		568	#else
516	/* some systems, notably openbsd and darwin, fail to properly	569	/* some systems, notably openbsd and darwin, fail to properly
517	* 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
518	* the single unix specification, so work around them here.	571	* the single unix specification, so work around them here.
519	*/	572	*/
520		573
521	if (size)	574	if (size)
522	return realloc (ptr, size);	575	return realloc (ptr, size);
523		576
524	free (ptr);	577	free (ptr);
525	return 0;	578	return 0;
		579	#endif
526	}	580	}
527		581
528	static void *(*alloc)(void *ptr, long size) = ev_realloc_emul;	582	static void *(*alloc)(void *ptr, long size) = ev_realloc_emul;
529		583
530	void	584	void
…		…
538	{	592	{
539	ptr = alloc (ptr, size);	593	ptr = alloc (ptr, size);
540		594
541	if (!ptr && size)	595	if (!ptr && size)
542	{	596	{
		597	#if EV_AVOID_STDIO
		598	ev_printerr ("libev: memory allocation failed, aborting.\n");
		599	#else
543	fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size);	600	fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size);
		601	#endif
544	abort ();	602	abort ();
545	}	603	}
546		604
547	return ptr;	605	return ptr;
548	}	606	}
…		…
630		688
631	static int ev_default_loop_ptr;	689	static int ev_default_loop_ptr;
632		690
633	#endif	691	#endif
634		692
635	#if EV_MINIMAL < 2	693	#if EV_FEATURE_API
636	# 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)
637	# 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)
638	# define EV_INVOKE_PENDING invoke_cb (EV_A)	696	# define EV_INVOKE_PENDING invoke_cb (EV_A)
639	#else	697	#else
640	# define EV_RELEASE_CB (void)0	698	# define EV_RELEASE_CB (void)0
…		…
825	}	883	}
826		884
827	/*****************************************************************************/	885	/*****************************************************************************/
828		886
829	inline_speed void	887	inline_speed void
830	fd_event_nc (EV_P_ int fd, int revents)	888	fd_event_nocheck (EV_P_ int fd, int revents)
831	{	889	{
832	ANFD *anfd = anfds + fd;	890	ANFD *anfd = anfds + fd;
833	ev_io *w;	891	ev_io *w;
834		892
835	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)
…		…
847	fd_event (EV_P_ int fd, int revents)	905	fd_event (EV_P_ int fd, int revents)
848	{	906	{
849	ANFD *anfd = anfds + fd;	907	ANFD *anfd = anfds + fd;
850		908
851	if (expect_true (!anfd->reify))	909	if (expect_true (!anfd->reify))
852	fd_event_nc (EV_A_ fd, revents);	910	fd_event_nocheck (EV_A_ fd, revents);
853	}	911	}
854		912
855	void	913	void
856	ev_feed_fd_event (EV_P_ int fd, int revents)	914	ev_feed_fd_event (EV_P_ int fd, int revents)
857	{	915	{
858	if (fd >= 0 && fd < anfdmax)	916	if (fd >= 0 && fd < anfdmax)
859	fd_event_nc (EV_A_ fd, revents);	917	fd_event_nocheck (EV_A_ fd, revents);
860	}	918	}
861		919
862	/* make sure the external fd watch events are in-sync */	920	/* make sure the external fd watch events are in-sync */
863	/* with the kernel/libev internal state */	921	/* with the kernel/libev internal state */
864	inline_size void	922	inline_size void
…		…
879		937
880	#if EV_SELECT_IS_WINSOCKET	938	#if EV_SELECT_IS_WINSOCKET
881	if (events)	939	if (events)
882	{	940	{
883	unsigned long arg;	941	unsigned long arg;
884	#ifdef EV_FD_TO_WIN32_HANDLE
885	anfd->handle = EV_FD_TO_WIN32_HANDLE (fd);	942	anfd->handle = EV_FD_TO_WIN32_HANDLE (fd);
886	#else
887	anfd->handle = _get_osfhandle (fd);
888	#endif
889	assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0));	943	assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0));
890	}	944	}
891	#endif	945	#endif
892		946
893	{	947	{
…		…
931	ev_io_stop (EV_A_ w);	985	ev_io_stop (EV_A_ w);
932	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);
933	}	987	}
934	}	988	}
935		989
936	/* check whether the given fd is atcually valid, for error recovery */	990	/* check whether the given fd is actually valid, for error recovery */
937	inline_size int	991	inline_size int
938	fd_valid (int fd)	992	fd_valid (int fd)
939	{	993	{
940	#ifdef _WIN32	994	#ifdef _WIN32
941	return _get_osfhandle (fd) != -1;	995	return EV_FD_TO_WIN32_HANDLE (fd) != -1;
942	#else	996	#else
943	return fcntl (fd, F_GETFD) != -1;	997	return fcntl (fd, F_GETFD) != -1;
944	#endif	998	#endif
945	}	999	}
946		1000
…		…
964		1018
965	for (fd = anfdmax; fd--; )	1019	for (fd = anfdmax; fd--; )
966	if (anfds [fd].events)	1020	if (anfds [fd].events)
967	{	1021	{
968	fd_kill (EV_A_ fd);	1022	fd_kill (EV_A_ fd);
969	return;	1023	break;
970	}	1024	}
971	}	1025	}
972		1026
973	/* usually called after fork if backend needs to re-arm all fds from scratch */	1027	/* usually called after fork if backend needs to re-arm all fds from scratch */
974	static void noinline	1028	static void noinline
…		…
981	{	1035	{
982	anfds [fd].events = 0;	1036	anfds [fd].events = 0;
983	anfds [fd].emask = 0;	1037	anfds [fd].emask = 0;
984	fd_change (EV_A_ fd, EV__IOFDSET | EV_ANFD_REIFY);	1038	fd_change (EV_A_ fd, EV__IOFDSET | EV_ANFD_REIFY);
985	}	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
986	}	1054	}
987		1055
988	/*****************************************************************************/	1056	/*****************************************************************************/
989		1057
990	/*	1058	/*
…		…
1064		1132
1065	for (;;)	1133	for (;;)
1066	{	1134	{
1067	int c = k << 1;	1135	int c = k << 1;
1068		1136
1069	if (c > N + HEAP0 - 1)	1137	if (c >= N + HEAP0)
1070	break;	1138	break;
1071		1139
1072	c += c + 1 < N + HEAP0 && ANHE_at (heap [c]) > ANHE_at (heap [c + 1])	1140	c += c + 1 < N + HEAP0 && ANHE_at (heap [c]) > ANHE_at (heap [c + 1])
1073	? 1 : 0;	1141	? 1 : 0;
1074		1142
…		…
1110		1178
1111	/* move an element suitably so it is in a correct place */	1179	/* move an element suitably so it is in a correct place */
1112	inline_size void	1180	inline_size void
1113	adjustheap (ANHE *heap, int N, int k)	1181	adjustheap (ANHE *heap, int N, int k)
1114	{	1182	{
1115	if (k > HEAP0 && ANHE_at (heap [HPARENT (k)]) >= ANHE_at (heap [k]))	1183	if (k > HEAP0 && ANHE_at (heap [k]) <= ANHE_at (heap [HPARENT (k)]))
1116	upheap (heap, k);	1184	upheap (heap, k);
1117	else	1185	else
1118	downheap (heap, N, k);	1186	downheap (heap, N, k);
1119	}	1187	}
1120		1188
…		…
1133	/*****************************************************************************/	1201	/*****************************************************************************/
1134		1202
1135	/* associate signal watchers to a signal signal */	1203	/* associate signal watchers to a signal signal */
1136	typedef struct	1204	typedef struct
1137	{	1205	{
		1206	EV_ATOMIC_T pending;
		1207	#if EV_MULTIPLICITY
		1208	EV_P;
		1209	#endif
1138	WL head;	1210	WL head;
1139	EV_ATOMIC_T gotsig;
1140	} ANSIG;	1211	} ANSIG;
1141		1212
1142	static ANSIG *signals;	1213	static ANSIG signals [EV_NSIG - 1];
1143	static int signalmax;
1144
1145	static EV_ATOMIC_T gotsig;
1146		1214
1147	/*****************************************************************************/	1215	/*****************************************************************************/
1148		1216
1149	/* used to prepare libev internal fd's */	1217	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
1150	/* this is not fork-safe */
1151	inline_speed void
1152	fd_intern (int fd)
1153	{
1154	#ifdef _WIN32
1155	unsigned long arg = 1;
1156	ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg);
1157	#else
1158	fcntl (fd, F_SETFD, FD_CLOEXEC);
1159	fcntl (fd, F_SETFL, O_NONBLOCK);
1160	#endif
1161	}
1162		1218
1163	static void noinline	1219	static void noinline
1164	evpipe_init (EV_P)	1220	evpipe_init (EV_P)
1165	{	1221	{
1166	if (!ev_is_active (&pipe_w))	1222	if (!ev_is_active (&pipe_w))
1167	{	1223	{
1168	#if EV_USE_EVENTFD	1224	# if EV_USE_EVENTFD
1169	evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC);	1225	evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC);
1170	if (evfd < 0 && errno == EINVAL)	1226	if (evfd < 0 && errno == EINVAL)
1171	evfd = eventfd (0, 0);	1227	evfd = eventfd (0, 0);
1172		1228
1173	if (evfd >= 0)	1229	if (evfd >= 0)
…		…
1175	evpipe [0] = -1;	1231	evpipe [0] = -1;
1176	fd_intern (evfd); /* doing it twice doesn't hurt */	1232	fd_intern (evfd); /* doing it twice doesn't hurt */
1177	ev_io_set (&pipe_w, evfd, EV_READ);	1233	ev_io_set (&pipe_w, evfd, EV_READ);
1178	}	1234	}
1179	else	1235	else
1180	#endif	1236	# endif
1181	{	1237	{
1182	while (pipe (evpipe))	1238	while (pipe (evpipe))
1183	ev_syserr ("(libev) error creating signal/async pipe");	1239	ev_syserr ("(libev) error creating signal/async pipe");
1184		1240
1185	fd_intern (evpipe [0]);	1241	fd_intern (evpipe [0]);
…		…
1196	evpipe_write (EV_P_ EV_ATOMIC_T *flag)	1252	evpipe_write (EV_P_ EV_ATOMIC_T *flag)
1197	{	1253	{
1198	if (!*flag)	1254	if (!*flag)
1199	{	1255	{
1200	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;
1201		1258
1202	*flag = 1;	1259	*flag = 1;
1203		1260
1204	#if EV_USE_EVENTFD	1261	#if EV_USE_EVENTFD
1205	if (evfd >= 0)	1262	if (evfd >= 0)
…		…
1207	uint64_t counter = 1;	1264	uint64_t counter = 1;
1208	write (evfd, &counter, sizeof (uint64_t));	1265	write (evfd, &counter, sizeof (uint64_t));
1209	}	1266	}
1210	else	1267	else
1211	#endif	1268	#endif
1212	write (evpipe [1], &old_errno, 1);	1269	write (evpipe [1], &dummy, 1);
1213		1270
1214	errno = old_errno;	1271	errno = old_errno;
1215	}	1272	}
1216	}	1273	}
1217		1274
1218	/* called whenever the libev signal pipe */	1275	/* called whenever the libev signal pipe */
1219	/* got some events (signal, async) */	1276	/* got some events (signal, async) */
1220	static void	1277	static void
1221	pipecb (EV_P_ ev_io *iow, int revents)	1278	pipecb (EV_P_ ev_io *iow, int revents)
1222	{	1279	{
		1280	int i;
		1281
1223	#if EV_USE_EVENTFD	1282	#if EV_USE_EVENTFD
1224	if (evfd >= 0)	1283	if (evfd >= 0)
1225	{	1284	{
1226	uint64_t counter;	1285	uint64_t counter;
1227	read (evfd, &counter, sizeof (uint64_t));	1286	read (evfd, &counter, sizeof (uint64_t));
…		…
1231	{	1290	{
1232	char dummy;	1291	char dummy;
1233	read (evpipe [0], &dummy, 1);	1292	read (evpipe [0], &dummy, 1);
1234	}	1293	}
1235		1294
1236	if (gotsig && ev_is_default_loop (EV_A))	1295	if (sig_pending)
1237	{	1296	{
1238	int signum;	1297	sig_pending = 0;
1239	gotsig = 0;
1240		1298
1241	for (signum = signalmax; signum--; )	1299	for (i = EV_NSIG - 1; i--; )
1242	if (signals [signum].gotsig)	1300	if (expect_false (signals [i].pending))
1243	ev_feed_signal_event (EV_A_ signum + 1);	1301	ev_feed_signal_event (EV_A_ i + 1);
1244	}	1302	}
1245		1303
1246	#if EV_ASYNC_ENABLE	1304	#if EV_ASYNC_ENABLE
1247	if (gotasync)	1305	if (async_pending)
1248	{	1306	{
1249	int i;	1307	async_pending = 0;
1250	gotasync = 0;
1251		1308
1252	for (i = asynccnt; i--; )	1309	for (i = asynccnt; i--; )
1253	if (asyncs [i]->sent)	1310	if (asyncs [i]->sent)
1254	{	1311	{
1255	asyncs [i]->sent = 0;	1312	asyncs [i]->sent = 0;
…		…
1263		1320
1264	static void	1321	static void
1265	ev_sighandler (int signum)	1322	ev_sighandler (int signum)
1266	{	1323	{
1267	#if EV_MULTIPLICITY	1324	#if EV_MULTIPLICITY
1268	struct ev_loop *loop = &default_loop_struct;	1325	EV_P = signals [signum - 1].loop;
1269	#endif	1326	#endif
1270		1327
1271	#if _WIN32	1328	#ifdef _WIN32
1272	signal (signum, ev_sighandler);	1329	signal (signum, ev_sighandler);
1273	#endif	1330	#endif
1274		1331
1275	signals [signum - 1].gotsig = 1;	1332	signals [signum - 1].pending = 1;
1276	evpipe_write (EV_A_ &gotsig);	1333	evpipe_write (EV_A_ &sig_pending);
1277	}	1334	}
1278		1335
1279	void noinline	1336	void noinline
1280	ev_feed_signal_event (EV_P_ int signum)	1337	ev_feed_signal_event (EV_P_ int signum)
1281	{	1338	{
1282	WL w;	1339	WL w;
1283		1340
		1341	if (expect_false (signum <= 0 || signum > EV_NSIG))
		1342	return;
		1343
		1344	--signum;
		1345
1284	#if EV_MULTIPLICITY	1346	#if EV_MULTIPLICITY
1285	assert (("libev: feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr));	1347	/* it is permissible to try to feed a signal to the wrong loop */
1286	#endif	1348	/* or, likely more useful, feeding a signal nobody is waiting for */
1287		1349
1288	--signum;	1350	if (expect_false (signals [signum].loop != EV_A))
1289
1290	if (signum < 0 || signum >= signalmax)
1291	return;	1351	return;
		1352	#endif
1292		1353
1293	signals [signum].gotsig = 0;	1354	signals [signum].pending = 0;
1294		1355
1295	for (w = signals [signum].head; w; w = w->next)	1356	for (w = signals [signum].head; w; w = w->next)
1296	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);	1357	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);
1297	}	1358	}
1298		1359
1299	#if EV_USE_SIGNALFD	1360	#if EV_USE_SIGNALFD
1300	static void	1361	static void
1301	sigfdcb (EV_P_ ev_io *iow, int revents)	1362	sigfdcb (EV_P_ ev_io *iow, int revents)
1302	{	1363	{
1303	struct signalfd_siginfo si[4], *sip;	1364	struct signalfd_siginfo si[2], *sip; /* these structs are big */
1304		1365
1305	for (;;)	1366	for (;;)
1306	{	1367	{
1307	ssize_t res = read (sigfd, si, sizeof (si));	1368	ssize_t res = read (sigfd, si, sizeof (si));
1308		1369
…		…
1314	break;	1375	break;
1315	}	1376	}
1316	}	1377	}
1317	#endif	1378	#endif
1318		1379
		1380	#endif
		1381
1319	/*****************************************************************************/	1382	/*****************************************************************************/
1320		1383
		1384	#if EV_CHILD_ENABLE
1321	static WL childs [EV_PID_HASHSIZE];	1385	static WL childs [EV_PID_HASHSIZE];
1322
1323	#ifndef _WIN32
1324		1386
1325	static ev_signal childev;	1387	static ev_signal childev;
1326		1388
1327	#ifndef WIFCONTINUED	1389	#ifndef WIFCONTINUED
1328	# define WIFCONTINUED(status) 0	1390	# define WIFCONTINUED(status) 0
…		…
1333	child_reap (EV_P_ int chain, int pid, int status)	1395	child_reap (EV_P_ int chain, int pid, int status)
1334	{	1396	{
1335	ev_child *w;	1397	ev_child *w;
1336	int traced = WIFSTOPPED (status) || WIFCONTINUED (status);	1398	int traced = WIFSTOPPED (status) || WIFCONTINUED (status);
1337		1399
1338	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)
1339	{	1401	{
1340	if ((w->pid == pid || !w->pid)	1402	if ((w->pid == pid || !w->pid)
1341	&& (!traced || (w->flags & 1)))	1403	&& (!traced || (w->flags & 1)))
1342	{	1404	{
1343	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 */
…		…
1368	/* 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 */
1369	/* 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 */
1370	ev_feed_event (EV_A_ (W)sw, EV_SIGNAL);	1432	ev_feed_event (EV_A_ (W)sw, EV_SIGNAL);
1371		1433
1372	child_reap (EV_A_ pid, pid, status);	1434	child_reap (EV_A_ pid, pid, status);
1373	if (EV_PID_HASHSIZE > 1)	1435	if ((EV_PID_HASHSIZE) > 1)
1374	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 */
1375	}	1437	}
1376		1438
1377	#endif	1439	#endif
1378		1440
…		…
1445	#ifdef __APPLE__	1507	#ifdef __APPLE__
1446	/* only select works correctly on that "unix-certified" platform */	1508	/* only select works correctly on that "unix-certified" platform */
1447	flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */	1509	flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */
1448	flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */	1510	flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */
1449	#endif	1511	#endif
		1512	#ifdef __FreeBSD__
		1513	flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */
		1514	#endif
1450		1515
1451	return flags;	1516	return flags;
1452	}	1517	}
1453		1518
1454	unsigned int	1519	unsigned int
…		…
1467	ev_backend (EV_P)	1532	ev_backend (EV_P)
1468	{	1533	{
1469	return backend;	1534	return backend;
1470	}	1535	}
1471		1536
1472	#if EV_MINIMAL < 2	1537	#if EV_FEATURE_API
1473	unsigned int	1538	unsigned int
1474	ev_loop_count (EV_P)	1539	ev_iteration (EV_P)
1475	{	1540	{
1476	return loop_count;	1541	return loop_count;
1477	}	1542	}
1478		1543
1479	unsigned int	1544	unsigned int
1480	ev_loop_depth (EV_P)	1545	ev_depth (EV_P)
1481	{	1546	{
1482	return loop_depth;	1547	return loop_depth;
1483	}	1548	}
1484		1549
1485	void	1550	void
…		…
1542	if (!clock_gettime (CLOCK_MONOTONIC, &ts))	1607	if (!clock_gettime (CLOCK_MONOTONIC, &ts))
1543	have_monotonic = 1;	1608	have_monotonic = 1;
1544	}	1609	}
1545	#endif	1610	#endif
1546		1611
		1612	/* pid check not overridable via env */
		1613	#ifndef _WIN32
		1614	if (flags & EVFLAG_FORKCHECK)
		1615	curpid = getpid ();
		1616	#endif
		1617
		1618	if (!(flags & EVFLAG_NOENV)
		1619	&& !enable_secure ()
		1620	&& getenv ("LIBEV_FLAGS"))
		1621	flags = atoi (getenv ("LIBEV_FLAGS"));
		1622
1547	ev_rt_now = ev_time ();	1623	ev_rt_now = ev_time ();
1548	mn_now = get_clock ();	1624	mn_now = get_clock ();
1549	now_floor = mn_now;	1625	now_floor = mn_now;
1550	rtmn_diff = ev_rt_now - mn_now;	1626	rtmn_diff = ev_rt_now - mn_now;
1551	#if EV_MINIMAL < 2	1627	#if EV_FEATURE_API
1552	invoke_cb = ev_invoke_pending;	1628	invoke_cb = ev_invoke_pending;
1553	#endif	1629	#endif
1554		1630
1555	io_blocktime = 0.;	1631	io_blocktime = 0.;
1556	timeout_blocktime = 0.;	1632	timeout_blocktime = 0.;
1557	backend = 0;	1633	backend = 0;
1558	backend_fd = -1;	1634	backend_fd = -1;
1559	gotasync = 0;	1635	sig_pending = 0;
		1636	#if EV_ASYNC_ENABLE
		1637	async_pending = 0;
		1638	#endif
1560	#if EV_USE_INOTIFY	1639	#if EV_USE_INOTIFY
1561	fs_fd = -2;	1640	fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;
1562	#endif	1641	#endif
1563	#if EV_USE_SIGNALFD	1642	#if EV_USE_SIGNALFD
1564	sigfd = -2;	1643	sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;
1565	#endif	1644	#endif
1566
1567	/* pid check not overridable via env */
1568	#ifndef _WIN32
1569	if (flags & EVFLAG_FORKCHECK)
1570	curpid = getpid ();
1571	#endif
1572
1573	if (!(flags & EVFLAG_NOENV)
1574	&& !enable_secure ()
1575	&& getenv ("LIBEV_FLAGS"))
1576	flags = atoi (getenv ("LIBEV_FLAGS"));
1577		1645
1578	if (!(flags & 0x0000ffffU))	1646	if (!(flags & 0x0000ffffU))
1579	flags |= ev_recommended_backends ();	1647	flags |= ev_recommended_backends ();
1580		1648
1581	#if EV_USE_PORT	1649	#if EV_USE_PORT
…		…
1594	if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags);	1662	if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags);
1595	#endif	1663	#endif
1596		1664
1597	ev_prepare_init (&pending_w, pendingcb);	1665	ev_prepare_init (&pending_w, pendingcb);
1598		1666
		1667	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
1599	ev_init (&pipe_w, pipecb);	1668	ev_init (&pipe_w, pipecb);
1600	ev_set_priority (&pipe_w, EV_MAXPRI);	1669	ev_set_priority (&pipe_w, EV_MAXPRI);
		1670	#endif
1601	}	1671	}
1602	}	1672	}
1603		1673
1604	/* free up a loop structure */	1674	/* free up a loop structure */
1605	static void noinline	1675	static void noinline
…		…
1617	close (evfd);	1687	close (evfd);
1618	#endif	1688	#endif
1619		1689
1620	if (evpipe [0] >= 0)	1690	if (evpipe [0] >= 0)
1621	{	1691	{
1622	close (evpipe [0]);	1692	EV_WIN32_CLOSE_FD (evpipe [0]);
1623	close (evpipe [1]);	1693	EV_WIN32_CLOSE_FD (evpipe [1]);
1624	}	1694	}
1625	}	1695	}
1626		1696
1627	#if EV_USE_SIGNALFD	1697	#if EV_USE_SIGNALFD
1628	if (ev_is_active (&sigfd_w))	1698	if (ev_is_active (&sigfd_w))
1629	{
1630	/*ev_ref (EV_A);*/
1631	/*ev_io_stop (EV_A_ &sigfd_w);*/
1632
1633	close (sigfd);	1699	close (sigfd);
1634	}
1635	#endif	1700	#endif
1636		1701
1637	#if EV_USE_INOTIFY	1702	#if EV_USE_INOTIFY
1638	if (fs_fd >= 0)	1703	if (fs_fd >= 0)
1639	close (fs_fd);	1704	close (fs_fd);
…		…
1709		1774
1710	if (ev_is_active (&pipe_w))	1775	if (ev_is_active (&pipe_w))
1711	{	1776	{
1712	/* this "locks" the handlers against writing to the pipe */	1777	/* this "locks" the handlers against writing to the pipe */
1713	/* while we modify the fd vars */	1778	/* while we modify the fd vars */
1714	gotsig = 1;	1779	sig_pending = 1;
1715	#if EV_ASYNC_ENABLE	1780	#if EV_ASYNC_ENABLE
1716	gotasync = 1;	1781	async_pending = 1;
1717	#endif	1782	#endif
1718		1783
1719	ev_ref (EV_A);	1784	ev_ref (EV_A);
1720	ev_io_stop (EV_A_ &pipe_w);	1785	ev_io_stop (EV_A_ &pipe_w);
1721		1786
…		…
1724	close (evfd);	1789	close (evfd);
1725	#endif	1790	#endif
1726		1791
1727	if (evpipe [0] >= 0)	1792	if (evpipe [0] >= 0)
1728	{	1793	{
1729	close (evpipe [0]);	1794	EV_WIN32_CLOSE_FD (evpipe [0]);
1730	close (evpipe [1]);	1795	EV_WIN32_CLOSE_FD (evpipe [1]);
1731	}	1796	}
1732		1797
		1798	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
1733	evpipe_init (EV_A);	1799	evpipe_init (EV_A);
1734	/* now iterate over everything, in case we missed something */	1800	/* now iterate over everything, in case we missed something */
1735	pipecb (EV_A_ &pipe_w, EV_READ);	1801	pipecb (EV_A_ &pipe_w, EV_READ);
		1802	#endif
1736	}	1803	}
1737		1804
1738	postfork = 0;	1805	postfork = 0;
1739	}	1806	}
1740		1807
1741	#if EV_MULTIPLICITY	1808	#if EV_MULTIPLICITY
1742		1809
1743	struct ev_loop *	1810	struct ev_loop *
1744	ev_loop_new (unsigned int flags)	1811	ev_loop_new (unsigned int flags)
1745	{	1812	{
1746	struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));	1813	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
1747		1814
1748	memset (loop, 0, sizeof (struct ev_loop));	1815	memset (EV_A, 0, sizeof (struct ev_loop));
1749	loop_init (EV_A_ flags);	1816	loop_init (EV_A_ flags);
1750		1817
1751	if (ev_backend (EV_A))	1818	if (ev_backend (EV_A))
1752	return loop;	1819	return EV_A;
1753		1820
1754	return 0;	1821	return 0;
1755	}	1822	}
1756		1823
1757	void	1824	void
…		…
1802	verify_watcher (EV_A_ ws [cnt]);	1869	verify_watcher (EV_A_ ws [cnt]);
1803	}	1870	}
1804	}	1871	}
1805	#endif	1872	#endif
1806		1873
1807	#if EV_MINIMAL < 2	1874	#if EV_FEATURE_API
1808	void	1875	void
1809	ev_loop_verify (EV_P)	1876	ev_verify (EV_P)
1810	{	1877	{
1811	#if EV_VERIFY	1878	#if EV_VERIFY
1812	int i;	1879	int i;
1813	WL w;	1880	WL w;
1814		1881
…		…
1853	#if EV_ASYNC_ENABLE	1920	#if EV_ASYNC_ENABLE
1854	assert (asyncmax >= asynccnt);	1921	assert (asyncmax >= asynccnt);
1855	array_verify (EV_A_ (W *)asyncs, asynccnt);	1922	array_verify (EV_A_ (W *)asyncs, asynccnt);
1856	#endif	1923	#endif
1857		1924
		1925	#if EV_PREPARE_ENABLE
1858	assert (preparemax >= preparecnt);	1926	assert (preparemax >= preparecnt);
1859	array_verify (EV_A_ (W *)prepares, preparecnt);	1927	array_verify (EV_A_ (W *)prepares, preparecnt);
		1928	#endif
1860		1929
		1930	#if EV_CHECK_ENABLE
1861	assert (checkmax >= checkcnt);	1931	assert (checkmax >= checkcnt);
1862	array_verify (EV_A_ (W *)checks, checkcnt);	1932	array_verify (EV_A_ (W *)checks, checkcnt);
		1933	#endif
1863		1934
1864	# if 0	1935	# if 0
		1936	#if EV_CHILD_ENABLE
1865	for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next)	1937	for (w = (ev_child *)childs [chain & ((EV_PID_HASHSIZE) - 1)]; w; w = (ev_child *)((WL)w)->next)
1866	for (signum = signalmax; signum--; ) if (signals [signum].gotsig)	1938	for (signum = EV_NSIG; signum--; ) if (signals [signum].pending)
		1939	#endif
1867	# endif	1940	# endif
1868	#endif	1941	#endif
1869	}	1942	}
1870	#endif	1943	#endif
1871		1944
…		…
1878	#endif	1951	#endif
1879	{	1952	{
1880	if (!ev_default_loop_ptr)	1953	if (!ev_default_loop_ptr)
1881	{	1954	{
1882	#if EV_MULTIPLICITY	1955	#if EV_MULTIPLICITY
1883	struct ev_loop *loop = ev_default_loop_ptr = &default_loop_struct;	1956	EV_P = ev_default_loop_ptr = &default_loop_struct;
1884	#else	1957	#else
1885	ev_default_loop_ptr = 1;	1958	ev_default_loop_ptr = 1;
1886	#endif	1959	#endif
1887		1960
1888	loop_init (EV_A_ flags);	1961	loop_init (EV_A_ flags);
1889		1962
1890	if (ev_backend (EV_A))	1963	if (ev_backend (EV_A))
1891	{	1964	{
1892	#ifndef _WIN32	1965	#if EV_CHILD_ENABLE
1893	ev_signal_init (&childev, childcb, SIGCHLD);	1966	ev_signal_init (&childev, childcb, SIGCHLD);
1894	ev_set_priority (&childev, EV_MAXPRI);	1967	ev_set_priority (&childev, EV_MAXPRI);
1895	ev_signal_start (EV_A_ &childev);	1968	ev_signal_start (EV_A_ &childev);
1896	ev_unref (EV_A); /* child watcher should not keep loop alive */	1969	ev_unref (EV_A); /* child watcher should not keep loop alive */
1897	#endif	1970	#endif
…		…
1905		1978
1906	void	1979	void
1907	ev_default_destroy (void)	1980	ev_default_destroy (void)
1908	{	1981	{
1909	#if EV_MULTIPLICITY	1982	#if EV_MULTIPLICITY
1910	struct ev_loop *loop = ev_default_loop_ptr;	1983	EV_P = ev_default_loop_ptr;
1911	#endif	1984	#endif
1912		1985
1913	ev_default_loop_ptr = 0;	1986	ev_default_loop_ptr = 0;
1914		1987
1915	#ifndef _WIN32	1988	#if EV_CHILD_ENABLE
1916	ev_ref (EV_A); /* child watcher */	1989	ev_ref (EV_A); /* child watcher */
1917	ev_signal_stop (EV_A_ &childev);	1990	ev_signal_stop (EV_A_ &childev);
1918	#endif	1991	#endif
1919		1992
1920	loop_destroy (EV_A);	1993	loop_destroy (EV_A);
…		…
1922		1995
1923	void	1996	void
1924	ev_default_fork (void)	1997	ev_default_fork (void)
1925	{	1998	{
1926	#if EV_MULTIPLICITY	1999	#if EV_MULTIPLICITY
1927	struct ev_loop *loop = ev_default_loop_ptr;	2000	EV_P = ev_default_loop_ptr;
1928	#endif	2001	#endif
1929		2002
1930	postfork = 1; /* must be in line with ev_loop_fork */	2003	postfork = 1; /* must be in line with ev_loop_fork */
1931	}	2004	}
1932		2005
…		…
2026	EV_FREQUENT_CHECK;	2099	EV_FREQUENT_CHECK;
2027	feed_reverse (EV_A_ (W)w);	2100	feed_reverse (EV_A_ (W)w);
2028	}	2101	}
2029	while (timercnt && ANHE_at (timers [HEAP0]) < mn_now);	2102	while (timercnt && ANHE_at (timers [HEAP0]) < mn_now);
2030		2103
2031	feed_reverse_done (EV_A_ EV_TIMEOUT);	2104	feed_reverse_done (EV_A_ EV_TIMER);
2032	}	2105	}
2033	}	2106	}
2034		2107
2035	#if EV_PERIODIC_ENABLE	2108	#if EV_PERIODIC_ENABLE
2036	/* make periodics pending */	2109	/* make periodics pending */
…		…
2127	ANHE_at_cache (*he);	2200	ANHE_at_cache (*he);
2128	}	2201	}
2129	}	2202	}
2130		2203
2131	/* fetch new monotonic and realtime times from the kernel */	2204	/* fetch new monotonic and realtime times from the kernel */
2132	/* also detetc if there was a timejump, and act accordingly */	2205	/* also detect if there was a timejump, and act accordingly */
2133	inline_speed void	2206	inline_speed void
2134	time_update (EV_P_ ev_tstamp max_block)	2207	time_update (EV_P_ ev_tstamp max_block)
2135	{	2208	{
2136	#if EV_USE_MONOTONIC	2209	#if EV_USE_MONOTONIC
2137	if (expect_true (have_monotonic))	2210	if (expect_true (have_monotonic))
…		…
2197	}	2270	}
2198		2271
2199	void	2272	void
2200	ev_loop (EV_P_ int flags)	2273	ev_loop (EV_P_ int flags)
2201	{	2274	{
2202	#if EV_MINIMAL < 2	2275	#if EV_FEATURE_API
2203	++loop_depth;	2276	++loop_depth;
2204	#endif	2277	#endif
2205		2278
2206	assert (("libev: ev_loop recursion during release detected", loop_done != EVUNLOOP_RECURSE));	2279	assert (("libev: ev_loop recursion during release detected", loop_done != EVUNLOOP_RECURSE));
2207		2280
…		…
2210	EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */	2283	EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */
2211		2284
2212	do	2285	do
2213	{	2286	{
2214	#if EV_VERIFY >= 2	2287	#if EV_VERIFY >= 2
2215	ev_loop_verify (EV_A);	2288	ev_verify (EV_A);
2216	#endif	2289	#endif
2217		2290
2218	#ifndef _WIN32	2291	#ifndef _WIN32
2219	if (expect_false (curpid)) /* penalise the forking check even more */	2292	if (expect_false (curpid)) /* penalise the forking check even more */
2220	if (expect_false (getpid () != curpid))	2293	if (expect_false (getpid () != curpid))
…		…
2232	queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);	2305	queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);
2233	EV_INVOKE_PENDING;	2306	EV_INVOKE_PENDING;
2234	}	2307	}
2235	#endif	2308	#endif
2236		2309
		2310	#if EV_PREPARE_ENABLE
2237	/* queue prepare watchers (and execute them) */	2311	/* queue prepare watchers (and execute them) */
2238	if (expect_false (preparecnt))	2312	if (expect_false (preparecnt))
2239	{	2313	{
2240	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);	2314	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
2241	EV_INVOKE_PENDING;	2315	EV_INVOKE_PENDING;
2242	}	2316	}
		2317	#endif
2243		2318
2244	if (expect_false (loop_done))	2319	if (expect_false (loop_done))
2245	break;	2320	break;
2246		2321
2247	/* we might have forked, so reify kernel state if necessary */	2322	/* we might have forked, so reify kernel state if necessary */
…		…
2298	waittime -= sleeptime;	2373	waittime -= sleeptime;
2299	}	2374	}
2300	}	2375	}
2301	}	2376	}
2302		2377
2303	#if EV_MINIMAL < 2	2378	#if EV_FEATURE_API
2304	++loop_count;	2379	++loop_count;
2305	#endif	2380	#endif
2306	assert ((loop_done = EVUNLOOP_RECURSE, 1)); /* assert for side effect */	2381	assert ((loop_done = EVUNLOOP_RECURSE, 1)); /* assert for side effect */
2307	backend_poll (EV_A_ waittime);	2382	backend_poll (EV_A_ waittime);
2308	assert ((loop_done = EVUNLOOP_CANCEL, 1)); /* assert for side effect */	2383	assert ((loop_done = EVUNLOOP_CANCEL, 1)); /* assert for side effect */
…		…
2320	#if EV_IDLE_ENABLE	2395	#if EV_IDLE_ENABLE
2321	/* queue idle watchers unless other events are pending */	2396	/* queue idle watchers unless other events are pending */
2322	idle_reify (EV_A);	2397	idle_reify (EV_A);
2323	#endif	2398	#endif
2324		2399
		2400	#if EV_CHECK_ENABLE
2325	/* queue check watchers, to be executed first */	2401	/* queue check watchers, to be executed first */
2326	if (expect_false (checkcnt))	2402	if (expect_false (checkcnt))
2327	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);	2403	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
		2404	#endif
2328		2405
2329	EV_INVOKE_PENDING;	2406	EV_INVOKE_PENDING;
2330	}	2407	}
2331	while (expect_true (	2408	while (expect_true (
2332	activecnt	2409	activecnt
…		…
2335	));	2412	));
2336		2413
2337	if (loop_done == EVUNLOOP_ONE)	2414	if (loop_done == EVUNLOOP_ONE)
2338	loop_done = EVUNLOOP_CANCEL;	2415	loop_done = EVUNLOOP_CANCEL;
2339		2416
2340	#if EV_MINIMAL < 2	2417	#if EV_FEATURE_API
2341	--loop_depth;	2418	--loop_depth;
2342	#endif	2419	#endif
2343	}	2420	}
2344		2421
2345	void	2422	void
…		…
2398	inline_size void	2475	inline_size void
2399	wlist_del (WL *head, WL elem)	2476	wlist_del (WL *head, WL elem)
2400	{	2477	{
2401	while (*head)	2478	while (*head)
2402	{	2479	{
2403	if (*head == elem)	2480	if (expect_true (*head == elem))
2404	{	2481	{
2405	*head = elem->next;	2482	*head = elem->next;
2406	return;	2483	break;
2407	}	2484	}
2408		2485
2409	head = &(*head)->next;	2486	head = &(*head)->next;
2410	}	2487	}
2411	}	2488	}
…		…
2471		2548
2472	if (expect_false (ev_is_active (w)))	2549	if (expect_false (ev_is_active (w)))
2473	return;	2550	return;
2474		2551
2475	assert (("libev: ev_io_start called with negative fd", fd >= 0));	2552	assert (("libev: ev_io_start called with negative fd", fd >= 0));
2476	assert (("libev: ev_io start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE))));	2553	assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE))));
2477		2554
2478	EV_FREQUENT_CHECK;	2555	EV_FREQUENT_CHECK;
2479		2556
2480	ev_start (EV_A_ (W)w, 1);	2557	ev_start (EV_A_ (W)w, 1);
2481	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);	2558	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);
…		…
2551	timers [active] = timers [timercnt + HEAP0];	2628	timers [active] = timers [timercnt + HEAP0];
2552	adjustheap (timers, timercnt, active);	2629	adjustheap (timers, timercnt, active);
2553	}	2630	}
2554	}	2631	}
2555		2632
2556	EV_FREQUENT_CHECK;
2557
2558	ev_at (w) -= mn_now;	2633	ev_at (w) -= mn_now;
2559		2634
2560	ev_stop (EV_A_ (W)w);	2635	ev_stop (EV_A_ (W)w);
		2636
		2637	EV_FREQUENT_CHECK;
2561	}	2638	}
2562		2639
2563	void noinline	2640	void noinline
2564	ev_timer_again (EV_P_ ev_timer *w)	2641	ev_timer_again (EV_P_ ev_timer *w)
2565	{	2642	{
…		…
2644	periodics [active] = periodics [periodiccnt + HEAP0];	2721	periodics [active] = periodics [periodiccnt + HEAP0];
2645	adjustheap (periodics, periodiccnt, active);	2722	adjustheap (periodics, periodiccnt, active);
2646	}	2723	}
2647	}	2724	}
2648		2725
2649	EV_FREQUENT_CHECK;
2650
2651	ev_stop (EV_A_ (W)w);	2726	ev_stop (EV_A_ (W)w);
		2727
		2728	EV_FREQUENT_CHECK;
2652	}	2729	}
2653		2730
2654	void noinline	2731	void noinline
2655	ev_periodic_again (EV_P_ ev_periodic *w)	2732	ev_periodic_again (EV_P_ ev_periodic *w)
2656	{	2733	{
…		…
2662		2739
2663	#ifndef SA_RESTART	2740	#ifndef SA_RESTART
2664	# define SA_RESTART 0	2741	# define SA_RESTART 0
2665	#endif	2742	#endif
2666		2743
		2744	#if EV_SIGNAL_ENABLE
		2745
2667	void noinline	2746	void noinline
2668	ev_signal_start (EV_P_ ev_signal *w)	2747	ev_signal_start (EV_P_ ev_signal *w)
2669	{	2748	{
2670	#if EV_MULTIPLICITY
2671	assert (("libev: signal watchers are only supported in the default loop", loop == ev_default_loop_ptr));
2672	#endif
2673	if (expect_false (ev_is_active (w)))	2749	if (expect_false (ev_is_active (w)))
2674	return;	2750	return;
2675		2751
2676	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0));	2752	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));
		2753
		2754	#if EV_MULTIPLICITY
		2755	assert (("libev: a signal must not be attached to two different loops",
		2756	!signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop));
		2757
		2758	signals [w->signum - 1].loop = EV_A;
		2759	#endif
2677		2760
2678	EV_FREQUENT_CHECK;	2761	EV_FREQUENT_CHECK;
2679		2762
2680	#if EV_USE_SIGNALFD	2763	#if EV_USE_SIGNALFD
2681	if (sigfd == -2)	2764	if (sigfd == -2)
…		…
2703	sigaddset (&sigfd_set, w->signum);	2786	sigaddset (&sigfd_set, w->signum);
2704	sigprocmask (SIG_BLOCK, &sigfd_set, 0);	2787	sigprocmask (SIG_BLOCK, &sigfd_set, 0);
2705		2788
2706	signalfd (sigfd, &sigfd_set, 0);	2789	signalfd (sigfd, &sigfd_set, 0);
2707	}	2790	}
2708	else
2709	#endif
2710	evpipe_init (EV_A);
2711
2712	{
2713	#ifndef _WIN32
2714	sigset_t full, prev;
2715	sigfillset (&full);
2716	sigprocmask (SIG_SETMASK, &full, &prev);
2717	#endif
2718
2719	array_needsize (ANSIG, signals, signalmax, w->signum, array_init_zero);
2720
2721	#ifndef _WIN32
2722	# if EV_USE_SIGNALFD
2723	if (sigfd < 0)/*TODO*/
2724	# endif	2791	#endif
2725	sigdelset (&prev, w->signum);
2726	sigprocmask (SIG_SETMASK, &prev, 0);
2727	#endif
2728	}
2729		2792
2730	ev_start (EV_A_ (W)w, 1);	2793	ev_start (EV_A_ (W)w, 1);
2731	wlist_add (&signals [w->signum - 1].head, (WL)w);	2794	wlist_add (&signals [w->signum - 1].head, (WL)w);
2732		2795
2733	if (!((WL)w)->next)	2796	if (!((WL)w)->next)
2734	{
2735	#if _WIN32
2736	signal (w->signum, ev_sighandler);
2737	#else
2738	# if EV_USE_SIGNALFD	2797	# if EV_USE_SIGNALFD
2739	if (sigfd < 0) /*TODO*/	2798	if (sigfd < 0) /*TODO*/
2740	# endif	2799	# endif
2741	{	2800	{
		2801	# ifdef _WIN32
		2802	evpipe_init (EV_A);
		2803
		2804	signal (w->signum, ev_sighandler);
		2805	# else
2742	struct sigaction sa = { };	2806	struct sigaction sa;
		2807
		2808	evpipe_init (EV_A);
		2809
2743	sa.sa_handler = ev_sighandler;	2810	sa.sa_handler = ev_sighandler;
2744	sigfillset (&sa.sa_mask);	2811	sigfillset (&sa.sa_mask);
2745	sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */	2812	sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */
2746	sigaction (w->signum, &sa, 0);	2813	sigaction (w->signum, &sa, 0);
		2814
		2815	sigemptyset (&sa.sa_mask);
		2816	sigaddset (&sa.sa_mask, w->signum);
		2817	sigprocmask (SIG_UNBLOCK, &sa.sa_mask, 0);
		2818	#endif
2747	}	2819	}
2748	#endif
2749	}
2750		2820
2751	EV_FREQUENT_CHECK;	2821	EV_FREQUENT_CHECK;
2752	}	2822	}
2753		2823
2754	void noinline	2824	void noinline
…		…
2762		2832
2763	wlist_del (&signals [w->signum - 1].head, (WL)w);	2833	wlist_del (&signals [w->signum - 1].head, (WL)w);
2764	ev_stop (EV_A_ (W)w);	2834	ev_stop (EV_A_ (W)w);
2765		2835
2766	if (!signals [w->signum - 1].head)	2836	if (!signals [w->signum - 1].head)
		2837	{
		2838	#if EV_MULTIPLICITY
		2839	signals [w->signum - 1].loop = 0; /* unattach from signal */
		2840	#endif
2767	#if EV_USE_SIGNALFD	2841	#if EV_USE_SIGNALFD
2768	if (sigfd >= 0)	2842	if (sigfd >= 0)
2769	{	2843	{
2770	sigprocmask (SIG_UNBLOCK, &sigfd_set, 0);//D	2844	sigset_t ss;
		2845
		2846	sigemptyset (&ss);
		2847	sigaddset (&ss, w->signum);
2771	sigdelset (&sigfd_set, w->signum);	2848	sigdelset (&sigfd_set, w->signum);
		2849
2772	signalfd (sigfd, &sigfd_set, 0);	2850	signalfd (sigfd, &sigfd_set, 0);
2773	sigprocmask (SIG_BLOCK, &sigfd_set, 0);//D	2851	sigprocmask (SIG_UNBLOCK, &ss, 0);
2774	/*TODO: maybe unblock signal? */
2775	}	2852	}
2776	else	2853	else
2777	#endif	2854	#endif
2778	signal (w->signum, SIG_DFL);	2855	signal (w->signum, SIG_DFL);
		2856	}
2779		2857
2780	EV_FREQUENT_CHECK;	2858	EV_FREQUENT_CHECK;
2781	}	2859	}
		2860
		2861	#endif
		2862
		2863	#if EV_CHILD_ENABLE
2782		2864
2783	void	2865	void
2784	ev_child_start (EV_P_ ev_child *w)	2866	ev_child_start (EV_P_ ev_child *w)
2785	{	2867	{
2786	#if EV_MULTIPLICITY	2868	#if EV_MULTIPLICITY
…		…
2790	return;	2872	return;
2791		2873
2792	EV_FREQUENT_CHECK;	2874	EV_FREQUENT_CHECK;
2793		2875
2794	ev_start (EV_A_ (W)w, 1);	2876	ev_start (EV_A_ (W)w, 1);
2795	wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);	2877	wlist_add (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w);
2796		2878
2797	EV_FREQUENT_CHECK;	2879	EV_FREQUENT_CHECK;
2798	}	2880	}
2799		2881
2800	void	2882	void
…		…
2804	if (expect_false (!ev_is_active (w)))	2886	if (expect_false (!ev_is_active (w)))
2805	return;	2887	return;
2806		2888
2807	EV_FREQUENT_CHECK;	2889	EV_FREQUENT_CHECK;
2808		2890
2809	wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);	2891	wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w);
2810	ev_stop (EV_A_ (W)w);	2892	ev_stop (EV_A_ (W)w);
2811		2893
2812	EV_FREQUENT_CHECK;	2894	EV_FREQUENT_CHECK;
2813	}	2895	}
		2896
		2897	#endif
2814		2898
2815	#if EV_STAT_ENABLE	2899	#if EV_STAT_ENABLE
2816		2900
2817	# ifdef _WIN32	2901	# ifdef _WIN32
2818	# undef lstat	2902	# undef lstat
…		…
2824	#define MIN_STAT_INTERVAL 0.1074891	2908	#define MIN_STAT_INTERVAL 0.1074891
2825		2909
2826	static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents);	2910	static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents);
2827		2911
2828	#if EV_USE_INOTIFY	2912	#if EV_USE_INOTIFY
2829	# define EV_INOTIFY_BUFSIZE 8192	2913
		2914	/* the * 2 is to allow for alignment padding, which for some reason is >> 8 */
		2915	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)
2830		2916
2831	static void noinline	2917	static void noinline
2832	infy_add (EV_P_ ev_stat *w)	2918	infy_add (EV_P_ ev_stat *w)
2833	{	2919	{
2834	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);	2920	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);
2835		2921
2836	if (w->wd < 0)	2922	if (w->wd >= 0)
		2923	{
		2924	struct statfs sfs;
		2925
		2926	/* now local changes will be tracked by inotify, but remote changes won't */
		2927	/* unless the filesystem is known to be local, we therefore still poll */
		2928	/* also do poll on <2.6.25, but with normal frequency */
		2929
		2930	if (!fs_2625)
		2931	w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;
		2932	else if (!statfs (w->path, &sfs)
		2933	&& (sfs.f_type == 0x1373 /* devfs */
		2934	|| sfs.f_type == 0xEF53 /* ext2/3 */
		2935	|| sfs.f_type == 0x3153464a /* jfs */
		2936	|| sfs.f_type == 0x52654973 /* reiser3 */
		2937	|| sfs.f_type == 0x01021994 /* tempfs */
		2938	|| sfs.f_type == 0x58465342 /* xfs */))
		2939	w->timer.repeat = 0.; /* filesystem is local, kernel new enough */
		2940	else
		2941	w->timer.repeat = w->interval ? w->interval : NFS_STAT_INTERVAL; /* remote, use reduced frequency */
2837	{	2942	}
		2943	else
		2944	{
		2945	/* can't use inotify, continue to stat */
2838	w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;	2946	w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;
2839	ev_timer_again (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */
2840		2947
2841	/* monitor some parent directory for speedup hints */	2948	/* if path is not there, monitor some parent directory for speedup hints */
2842	/* note that exceeding the hardcoded path limit is not a correctness issue, */	2949	/* note that exceeding the hardcoded path limit is not a correctness issue, */
2843	/* but an efficiency issue only */	2950	/* but an efficiency issue only */
2844	if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096)	2951	if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096)
2845	{	2952	{
2846	char path [4096];	2953	char path [4096];
…		…
2862	while (w->wd < 0 && (errno == ENOENT || errno == EACCES));	2969	while (w->wd < 0 && (errno == ENOENT || errno == EACCES));
2863	}	2970	}
2864	}	2971	}
2865		2972
2866	if (w->wd >= 0)	2973	if (w->wd >= 0)
2867	{
2868	wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w);	2974	wlist_add (&fs_hash [w->wd & ((EV_INOTIFY_HASHSIZE) - 1)].head, (WL)w);
2869		2975
2870	/* now local changes will be tracked by inotify, but remote changes won't */	2976	/* now re-arm timer, if required */
2871	/* unless the filesystem it known to be local, we therefore still poll */	2977	if (ev_is_active (&w->timer)) ev_ref (EV_A);
2872	/* also do poll on <2.6.25, but with normal frequency */
2873	struct statfs sfs;
2874
2875	if (fs_2625 && !statfs (w->path, &sfs))
2876	if (sfs.f_type == 0x1373 /* devfs */
2877	|| sfs.f_type == 0xEF53 /* ext2/3 */
2878	|| sfs.f_type == 0x3153464a /* jfs */
2879	|| sfs.f_type == 0x52654973 /* reiser3 */
2880	|| sfs.f_type == 0x01021994 /* tempfs */
2881	|| sfs.f_type == 0x58465342 /* xfs */)
2882	return;
2883
2884	w->timer.repeat = w->interval ? w->interval : fs_2625 ? NFS_STAT_INTERVAL : DEF_STAT_INTERVAL;
2885	ev_timer_again (EV_A_ &w->timer);	2978	ev_timer_again (EV_A_ &w->timer);
2886	}	2979	if (ev_is_active (&w->timer)) ev_unref (EV_A);
2887	}	2980	}
2888		2981
2889	static void noinline	2982	static void noinline
2890	infy_del (EV_P_ ev_stat *w)	2983	infy_del (EV_P_ ev_stat *w)
2891	{	2984	{
…		…
2894		2987
2895	if (wd < 0)	2988	if (wd < 0)
2896	return;	2989	return;
2897		2990
2898	w->wd = -2;	2991	w->wd = -2;
2899	slot = wd & (EV_INOTIFY_HASHSIZE - 1);	2992	slot = wd & ((EV_INOTIFY_HASHSIZE) - 1);
2900	wlist_del (&fs_hash [slot].head, (WL)w);	2993	wlist_del (&fs_hash [slot].head, (WL)w);
2901		2994
2902	/* remove this watcher, if others are watching it, they will rearm */	2995	/* remove this watcher, if others are watching it, they will rearm */
2903	inotify_rm_watch (fs_fd, wd);	2996	inotify_rm_watch (fs_fd, wd);
2904	}	2997	}
…		…
2906	static void noinline	2999	static void noinline
2907	infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)	3000	infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)
2908	{	3001	{
2909	if (slot < 0)	3002	if (slot < 0)
2910	/* overflow, need to check for all hash slots */	3003	/* overflow, need to check for all hash slots */
2911	for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot)	3004	for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)
2912	infy_wd (EV_A_ slot, wd, ev);	3005	infy_wd (EV_A_ slot, wd, ev);
2913	else	3006	else
2914	{	3007	{
2915	WL w_;	3008	WL w_;
2916		3009
2917	for (w_ = fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head; w_; )	3010	for (w_ = fs_hash [slot & ((EV_INOTIFY_HASHSIZE) - 1)].head; w_; )
2918	{	3011	{
2919	ev_stat *w = (ev_stat *)w_;	3012	ev_stat *w = (ev_stat *)w_;
2920	w_ = w_->next; /* lets us remove this watcher and all before it */	3013	w_ = w_->next; /* lets us remove this watcher and all before it */
2921		3014
2922	if (w->wd == wd || wd == -1)	3015	if (w->wd == wd || wd == -1)
2923	{	3016	{
2924	if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF))	3017	if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF))
2925	{	3018	{
2926	wlist_del (&fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w);	3019	wlist_del (&fs_hash [slot & ((EV_INOTIFY_HASHSIZE) - 1)].head, (WL)w);
2927	w->wd = -1;	3020	w->wd = -1;
2928	infy_add (EV_A_ w); /* re-add, no matter what */	3021	infy_add (EV_A_ w); /* re-add, no matter what */
2929	}	3022	}
2930		3023
2931	stat_timer_cb (EV_A_ &w->timer, 0);	3024	stat_timer_cb (EV_A_ &w->timer, 0);
…		…
2936		3029
2937	static void	3030	static void
2938	infy_cb (EV_P_ ev_io *w, int revents)	3031	infy_cb (EV_P_ ev_io *w, int revents)
2939	{	3032	{
2940	char buf [EV_INOTIFY_BUFSIZE];	3033	char buf [EV_INOTIFY_BUFSIZE];
2941	struct inotify_event *ev = (struct inotify_event *)buf;
2942	int ofs;	3034	int ofs;
2943	int len = read (fs_fd, buf, sizeof (buf));	3035	int len = read (fs_fd, buf, sizeof (buf));
2944		3036
2945	for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len)	3037	for (ofs = 0; ofs < len; )
		3038	{
		3039	struct inotify_event *ev = (struct inotify_event *)(buf + ofs);
2946	infy_wd (EV_A_ ev->wd, ev->wd, ev);	3040	infy_wd (EV_A_ ev->wd, ev->wd, ev);
		3041	ofs += sizeof (struct inotify_event) + ev->len;
		3042	}
		3043	}
		3044
		3045	inline_size unsigned int
		3046	ev_linux_version (void)
		3047	{
		3048	struct utsname buf;
		3049	unsigned int v;
		3050	int i;
		3051	char *p = buf.release;
		3052
		3053	if (uname (&buf))
		3054	return 0;
		3055
		3056	for (i = 3+1; --i; )
		3057	{
		3058	unsigned int c = 0;
		3059
		3060	for (;;)
		3061	{
		3062	if (*p >= '0' && *p <= '9')
		3063	c = c * 10 + *p++ - '0';
		3064	else
		3065	{
		3066	p += *p == '.';
		3067	break;
		3068	}
		3069	}
		3070
		3071	v = (v << 8) | c;
		3072	}
		3073
		3074	return v;
2947	}	3075	}
2948		3076
2949	inline_size void	3077	inline_size void
2950	check_2625 (EV_P)	3078	ev_check_2625 (EV_P)
2951	{	3079	{
2952	/* kernels < 2.6.25 are borked	3080	/* kernels < 2.6.25 are borked
2953	* http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html	3081	* http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html
2954	*/	3082	*/
2955	struct utsname buf;	3083	if (ev_linux_version () < 0x020619)
2956	int major, minor, micro;
2957
2958	if (uname (&buf))
2959	return;	3084	return;
2960		3085
2961	if (sscanf (buf.release, "%d.%d.%d", &major, &minor, &micro) != 3)
2962	return;
2963
2964	if (major < 2
2965	|| (major == 2 && minor < 6)
2966	|| (major == 2 && minor == 6 && micro < 25))
2967	return;
2968
2969	fs_2625 = 1;	3086	fs_2625 = 1;
		3087	}
		3088
		3089	inline_size int
		3090	infy_newfd (void)
		3091	{
		3092	#if defined (IN_CLOEXEC) && defined (IN_NONBLOCK)
		3093	int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK);
		3094	if (fd >= 0)
		3095	return fd;
		3096	#endif
		3097	return inotify_init ();
2970	}	3098	}
2971		3099
2972	inline_size void	3100	inline_size void
2973	infy_init (EV_P)	3101	infy_init (EV_P)
2974	{	3102	{
2975	if (fs_fd != -2)	3103	if (fs_fd != -2)
2976	return;	3104	return;
2977		3105
2978	fs_fd = -1;	3106	fs_fd = -1;
2979		3107
2980	check_2625 (EV_A);	3108	ev_check_2625 (EV_A);
2981		3109
2982	fs_fd = inotify_init ();	3110	fs_fd = infy_newfd ();
2983		3111
2984	if (fs_fd >= 0)	3112	if (fs_fd >= 0)
2985	{	3113	{
		3114	fd_intern (fs_fd);
2986	ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ);	3115	ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ);
2987	ev_set_priority (&fs_w, EV_MAXPRI);	3116	ev_set_priority (&fs_w, EV_MAXPRI);
2988	ev_io_start (EV_A_ &fs_w);	3117	ev_io_start (EV_A_ &fs_w);
		3118	ev_unref (EV_A);
2989	}	3119	}
2990	}	3120	}
2991		3121
2992	inline_size void	3122	inline_size void
2993	infy_fork (EV_P)	3123	infy_fork (EV_P)
…		…
2995	int slot;	3125	int slot;
2996		3126
2997	if (fs_fd < 0)	3127	if (fs_fd < 0)
2998	return;	3128	return;
2999		3129
		3130	ev_ref (EV_A);
		3131	ev_io_stop (EV_A_ &fs_w);
3000	close (fs_fd);	3132	close (fs_fd);
3001	fs_fd = inotify_init ();	3133	fs_fd = infy_newfd ();
3002		3134
		3135	if (fs_fd >= 0)
		3136	{
		3137	fd_intern (fs_fd);
		3138	ev_io_set (&fs_w, fs_fd, EV_READ);
		3139	ev_io_start (EV_A_ &fs_w);
		3140	ev_unref (EV_A);
		3141	}
		3142
3003	for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot)	3143	for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)
3004	{	3144	{
3005	WL w_ = fs_hash [slot].head;	3145	WL w_ = fs_hash [slot].head;
3006	fs_hash [slot].head = 0;	3146	fs_hash [slot].head = 0;
3007		3147
3008	while (w_)	3148	while (w_)
…		…
3013	w->wd = -1;	3153	w->wd = -1;
3014		3154
3015	if (fs_fd >= 0)	3155	if (fs_fd >= 0)
3016	infy_add (EV_A_ w); /* re-add, no matter what */	3156	infy_add (EV_A_ w); /* re-add, no matter what */
3017	else	3157	else
		3158	{
		3159	w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;
		3160	if (ev_is_active (&w->timer)) ev_ref (EV_A);
3018	ev_timer_again (EV_A_ &w->timer);	3161	ev_timer_again (EV_A_ &w->timer);
		3162	if (ev_is_active (&w->timer)) ev_unref (EV_A);
		3163	}
3019	}	3164	}
3020	}	3165	}
3021	}	3166	}
3022		3167
3023	#endif	3168	#endif
…		…
3040	static void noinline	3185	static void noinline
3041	stat_timer_cb (EV_P_ ev_timer *w_, int revents)	3186	stat_timer_cb (EV_P_ ev_timer *w_, int revents)
3042	{	3187	{
3043	ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer));	3188	ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer));
3044		3189
3045	/* we copy this here each the time so that */	3190	ev_statdata prev = w->attr;
3046	/* prev has the old value when the callback gets invoked */
3047	w->prev = w->attr;
3048	ev_stat_stat (EV_A_ w);	3191	ev_stat_stat (EV_A_ w);
3049		3192
3050	/* memcmp doesn't work on netbsd, they.... do stuff to their struct stat */	3193	/* memcmp doesn't work on netbsd, they.... do stuff to their struct stat */
3051	if (	3194	if (
3052	w->prev.st_dev != w->attr.st_dev	3195	prev.st_dev != w->attr.st_dev
3053	|| w->prev.st_ino != w->attr.st_ino	3196	|| prev.st_ino != w->attr.st_ino
3054	|| w->prev.st_mode != w->attr.st_mode	3197	|| prev.st_mode != w->attr.st_mode
3055	|| w->prev.st_nlink != w->attr.st_nlink	3198	|| prev.st_nlink != w->attr.st_nlink
3056	|| w->prev.st_uid != w->attr.st_uid	3199	|| prev.st_uid != w->attr.st_uid
3057	|| w->prev.st_gid != w->attr.st_gid	3200	|| prev.st_gid != w->attr.st_gid
3058	|| w->prev.st_rdev != w->attr.st_rdev	3201	|| prev.st_rdev != w->attr.st_rdev
3059	|| w->prev.st_size != w->attr.st_size	3202	|| prev.st_size != w->attr.st_size
3060	|| w->prev.st_atime != w->attr.st_atime	3203	|| prev.st_atime != w->attr.st_atime
3061	|| w->prev.st_mtime != w->attr.st_mtime	3204	|| prev.st_mtime != w->attr.st_mtime
3062	|| w->prev.st_ctime != w->attr.st_ctime	3205	|| prev.st_ctime != w->attr.st_ctime
3063	) {	3206	) {
		3207	/* we only update w->prev on actual differences */
		3208	/* in case we test more often than invoke the callback, */
		3209	/* to ensure that prev is always different to attr */
		3210	w->prev = prev;
		3211
3064	#if EV_USE_INOTIFY	3212	#if EV_USE_INOTIFY
3065	if (fs_fd >= 0)	3213	if (fs_fd >= 0)
3066	{	3214	{
3067	infy_del (EV_A_ w);	3215	infy_del (EV_A_ w);
3068	infy_add (EV_A_ w);	3216	infy_add (EV_A_ w);
…		…
3093		3241
3094	if (fs_fd >= 0)	3242	if (fs_fd >= 0)
3095	infy_add (EV_A_ w);	3243	infy_add (EV_A_ w);
3096	else	3244	else
3097	#endif	3245	#endif
		3246	{
3098	ev_timer_again (EV_A_ &w->timer);	3247	ev_timer_again (EV_A_ &w->timer);
		3248	ev_unref (EV_A);
		3249	}
3099		3250
3100	ev_start (EV_A_ (W)w, 1);	3251	ev_start (EV_A_ (W)w, 1);
3101		3252
3102	EV_FREQUENT_CHECK;	3253	EV_FREQUENT_CHECK;
3103	}	3254	}
…		…
3112	EV_FREQUENT_CHECK;	3263	EV_FREQUENT_CHECK;
3113		3264
3114	#if EV_USE_INOTIFY	3265	#if EV_USE_INOTIFY
3115	infy_del (EV_A_ w);	3266	infy_del (EV_A_ w);
3116	#endif	3267	#endif
		3268
		3269	if (ev_is_active (&w->timer))
		3270	{
		3271	ev_ref (EV_A);
3117	ev_timer_stop (EV_A_ &w->timer);	3272	ev_timer_stop (EV_A_ &w->timer);
		3273	}
3118		3274
3119	ev_stop (EV_A_ (W)w);	3275	ev_stop (EV_A_ (W)w);
3120		3276
3121	EV_FREQUENT_CHECK;	3277	EV_FREQUENT_CHECK;
3122	}	3278	}
…		…
3167		3323
3168	EV_FREQUENT_CHECK;	3324	EV_FREQUENT_CHECK;
3169	}	3325	}
3170	#endif	3326	#endif
3171		3327
		3328	#if EV_PREPARE_ENABLE
3172	void	3329	void
3173	ev_prepare_start (EV_P_ ev_prepare *w)	3330	ev_prepare_start (EV_P_ ev_prepare *w)
3174	{	3331	{
3175	if (expect_false (ev_is_active (w)))	3332	if (expect_false (ev_is_active (w)))
3176	return;	3333	return;
…		…
3202		3359
3203	ev_stop (EV_A_ (W)w);	3360	ev_stop (EV_A_ (W)w);
3204		3361
3205	EV_FREQUENT_CHECK;	3362	EV_FREQUENT_CHECK;
3206	}	3363	}
		3364	#endif
3207		3365
		3366	#if EV_CHECK_ENABLE
3208	void	3367	void
3209	ev_check_start (EV_P_ ev_check *w)	3368	ev_check_start (EV_P_ ev_check *w)
3210	{	3369	{
3211	if (expect_false (ev_is_active (w)))	3370	if (expect_false (ev_is_active (w)))
3212	return;	3371	return;
…		…
3238		3397
3239	ev_stop (EV_A_ (W)w);	3398	ev_stop (EV_A_ (W)w);
3240		3399
3241	EV_FREQUENT_CHECK;	3400	EV_FREQUENT_CHECK;
3242	}	3401	}
		3402	#endif
3243		3403
3244	#if EV_EMBED_ENABLE	3404	#if EV_EMBED_ENABLE
3245	void noinline	3405	void noinline
3246	ev_embed_sweep (EV_P_ ev_embed *w)	3406	ev_embed_sweep (EV_P_ ev_embed *w)
3247	{	3407	{
…		…
3263	embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents)	3423	embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents)
3264	{	3424	{
3265	ev_embed *w = (ev_embed *)(((char *)prepare) - offsetof (ev_embed, prepare));	3425	ev_embed *w = (ev_embed *)(((char *)prepare) - offsetof (ev_embed, prepare));
3266		3426
3267	{	3427	{
3268	struct ev_loop *loop = w->other;	3428	EV_P = w->other;
3269		3429
3270	while (fdchangecnt)	3430	while (fdchangecnt)
3271	{	3431	{
3272	fd_reify (EV_A);	3432	fd_reify (EV_A);
3273	ev_loop (EV_A_ EVLOOP_NONBLOCK);	3433	ev_loop (EV_A_ EVLOOP_NONBLOCK);
…		…
3281	ev_embed *w = (ev_embed *)(((char *)fork_w) - offsetof (ev_embed, fork));	3441	ev_embed *w = (ev_embed *)(((char *)fork_w) - offsetof (ev_embed, fork));
3282		3442
3283	ev_embed_stop (EV_A_ w);	3443	ev_embed_stop (EV_A_ w);
3284		3444
3285	{	3445	{
3286	struct ev_loop *loop = w->other;	3446	EV_P = w->other;
3287		3447
3288	ev_loop_fork (EV_A);	3448	ev_loop_fork (EV_A);
3289	ev_loop (EV_A_ EVLOOP_NONBLOCK);	3449	ev_loop (EV_A_ EVLOOP_NONBLOCK);
3290	}	3450	}
3291		3451
…		…
3305	{	3465	{
3306	if (expect_false (ev_is_active (w)))	3466	if (expect_false (ev_is_active (w)))
3307	return;	3467	return;
3308		3468
3309	{	3469	{
3310	struct ev_loop *loop = w->other;	3470	EV_P = w->other;
3311	assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ()));	3471	assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ()));
3312	ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ);	3472	ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ);
3313	}	3473	}
3314		3474
3315	EV_FREQUENT_CHECK;	3475	EV_FREQUENT_CHECK;
…		…
3342		3502
3343	ev_io_stop (EV_A_ &w->io);	3503	ev_io_stop (EV_A_ &w->io);
3344	ev_prepare_stop (EV_A_ &w->prepare);	3504	ev_prepare_stop (EV_A_ &w->prepare);
3345	ev_fork_stop (EV_A_ &w->fork);	3505	ev_fork_stop (EV_A_ &w->fork);
3346		3506
		3507	ev_stop (EV_A_ (W)w);
		3508
3347	EV_FREQUENT_CHECK;	3509	EV_FREQUENT_CHECK;
3348	}	3510	}
3349	#endif	3511	#endif
3350		3512
3351	#if EV_FORK_ENABLE	3513	#if EV_FORK_ENABLE
…		…
3427		3589
3428	void	3590	void
3429	ev_async_send (EV_P_ ev_async *w)	3591	ev_async_send (EV_P_ ev_async *w)
3430	{	3592	{
3431	w->sent = 1;	3593	w->sent = 1;
3432	evpipe_write (EV_A_ &gotasync);	3594	evpipe_write (EV_A_ &async_pending);
3433	}	3595	}
3434	#endif	3596	#endif
3435		3597
3436	/*****************************************************************************/	3598	/*****************************************************************************/
3437		3599
…		…
3477	{	3639	{
3478	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));	3640	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));
3479		3641
3480	if (expect_false (!once))	3642	if (expect_false (!once))
3481	{	3643	{
3482	cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg);	3644	cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMER, arg);
3483	return;	3645	return;
3484	}	3646	}
3485		3647
3486	once->cb = cb;	3648	once->cb = cb;
3487	once->arg = arg;	3649	once->arg = arg;
…		…
3574	if (types & EV_ASYNC)	3736	if (types & EV_ASYNC)
3575	for (i = asynccnt; i--; )	3737	for (i = asynccnt; i--; )
3576	cb (EV_A_ EV_ASYNC, asyncs [i]);	3738	cb (EV_A_ EV_ASYNC, asyncs [i]);
3577	#endif	3739	#endif
3578		3740
		3741	#if EV_PREPARE_ENABLE
3579	if (types & EV_PREPARE)	3742	if (types & EV_PREPARE)
3580	for (i = preparecnt; i--; )	3743	for (i = preparecnt; i--; )
3581	#if EV_EMBED_ENABLE	3744	# if EV_EMBED_ENABLE
3582	if (ev_cb (prepares [i]) != embed_prepare_cb)	3745	if (ev_cb (prepares [i]) != embed_prepare_cb)
3583	#endif	3746	# endif
3584	cb (EV_A_ EV_PREPARE, prepares [i]);	3747	cb (EV_A_ EV_PREPARE, prepares [i]);
		3748	#endif
3585		3749
		3750	#if EV_CHECK_ENABLE
3586	if (types & EV_CHECK)	3751	if (types & EV_CHECK)
3587	for (i = checkcnt; i--; )	3752	for (i = checkcnt; i--; )
3588	cb (EV_A_ EV_CHECK, checks [i]);	3753	cb (EV_A_ EV_CHECK, checks [i]);
		3754	#endif
3589		3755
		3756	#if EV_SIGNAL_ENABLE
3590	if (types & EV_SIGNAL)	3757	if (types & EV_SIGNAL)
3591	for (i = 0; i < signalmax; ++i)	3758	for (i = 0; i < EV_NSIG - 1; ++i)
3592	for (wl = signals [i].head; wl; )	3759	for (wl = signals [i].head; wl; )
3593	{	3760	{
3594	wn = wl->next;	3761	wn = wl->next;
3595	cb (EV_A_ EV_SIGNAL, wl);	3762	cb (EV_A_ EV_SIGNAL, wl);
3596	wl = wn;	3763	wl = wn;
3597	}	3764	}
		3765	#endif
3598		3766
		3767	#if EV_CHILD_ENABLE
3599	if (types & EV_CHILD)	3768	if (types & EV_CHILD)
3600	for (i = EV_PID_HASHSIZE; i--; )	3769	for (i = (EV_PID_HASHSIZE); i--; )
3601	for (wl = childs [i]; wl; )	3770	for (wl = childs [i]; wl; )
3602	{	3771	{
3603	wn = wl->next;	3772	wn = wl->next;
3604	cb (EV_A_ EV_CHILD, wl);	3773	cb (EV_A_ EV_CHILD, wl);
3605	wl = wn;	3774	wl = wn;
3606	}	3775	}
		3776	#endif
3607	/* EV_STAT 0x00001000 /* stat data changed */	3777	/* EV_STAT 0x00001000 /* stat data changed */
3608	/* EV_EMBED 0x00010000 /* embedded event loop needs sweep */	3778	/* EV_EMBED 0x00010000 /* embedded event loop needs sweep */
3609	}	3779	}
3610	#endif	3780	#endif
3611		3781

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