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

Comparing libev/ev.c (file contents):
Revision 1.337 by root, Wed Mar 10 09:18:24 2010 UTC vs.
Revision 1.371 by root, Mon Feb 7 21:45:32 2011 UTC

…		…
1	/*	1	/*
2	* libev event processing core, watcher management	2	* libev event processing core, watcher management
3	*	3	*
4	* Copyright (c) 2007,2008,2009,2010 Marc Alexander Lehmann <libev@schmorp.de>	4	* Copyright (c) 2007,2008,2009,2010,2011 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	*
35	* and other provisions required by the GPL. If you do not delete the	35	* and other provisions required by the GPL. If you do not delete the
36	* provisions above, a recipient may use your version of this file under	36	* provisions above, a recipient may use your version of this file under
37	* either the BSD or the GPL.	37	* either the BSD or the GPL.
38	*/	38	*/
39		39
40	#ifdef __cplusplus
41	extern "C" {
42	#endif
43
44	/* this big block deduces configuration from config.h */	40	/* this big block deduces configuration from config.h */
45	#ifndef EV_STANDALONE	41	#ifndef EV_STANDALONE
46	# ifdef EV_CONFIG_H	42	# ifdef EV_CONFIG_H
47	# include EV_CONFIG_H	43	# include EV_CONFIG_H
48	# else	44	# else
…		…
77	# ifndef EV_USE_REALTIME	73	# ifndef EV_USE_REALTIME
78	# define EV_USE_REALTIME 0	74	# define EV_USE_REALTIME 0
79	# endif	75	# endif
80	# endif	76	# endif
81		77
		78	# if HAVE_NANOSLEEP
82	# ifndef EV_USE_NANOSLEEP	79	# ifndef EV_USE_NANOSLEEP
83	# if HAVE_NANOSLEEP
84	# define EV_USE_NANOSLEEP 1	80	# define EV_USE_NANOSLEEP EV_FEATURE_OS
		81	# endif
85	# else	82	# else
		83	# undef EV_USE_NANOSLEEP
86	# define EV_USE_NANOSLEEP 0	84	# define EV_USE_NANOSLEEP 0
		85	# endif
		86
		87	# if HAVE_SELECT && HAVE_SYS_SELECT_H
		88	# ifndef EV_USE_SELECT
		89	# define EV_USE_SELECT EV_FEATURE_BACKENDS
87	# endif	90	# endif
		91	# else
		92	# undef EV_USE_SELECT
		93	# define EV_USE_SELECT 0
88	# endif	94	# endif
89		95
		96	# if HAVE_POLL && HAVE_POLL_H
90	# ifndef EV_USE_SELECT	97	# ifndef EV_USE_POLL
91	# if HAVE_SELECT && HAVE_SYS_SELECT_H	98	# define EV_USE_POLL EV_FEATURE_BACKENDS
92	# define EV_USE_SELECT 1
93	# else
94	# define EV_USE_SELECT 0
95	# endif	99	# endif
96	# endif
97
98	# ifndef EV_USE_POLL
99	# if HAVE_POLL && HAVE_POLL_H
100	# define EV_USE_POLL 1
101	# else	100	# else
		101	# undef EV_USE_POLL
102	# define EV_USE_POLL 0	102	# define EV_USE_POLL 0
103	# endif
104	# endif	103	# endif
105		104
106	# ifndef EV_USE_EPOLL
107	# if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H	105	# if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H
108	# define EV_USE_EPOLL 1	106	# ifndef EV_USE_EPOLL
109	# else	107	# define EV_USE_EPOLL EV_FEATURE_BACKENDS
110	# define EV_USE_EPOLL 0
111	# endif	108	# endif
		109	# else
		110	# undef EV_USE_EPOLL
		111	# define EV_USE_EPOLL 0
112	# endif	112	# endif
113		113
114	# ifndef EV_USE_KQUEUE
115	# if HAVE_KQUEUE && HAVE_SYS_EVENT_H	114	# if HAVE_KQUEUE && HAVE_SYS_EVENT_H
116	# define EV_USE_KQUEUE 1	115	# ifndef EV_USE_KQUEUE
117	# else	116	# define EV_USE_KQUEUE EV_FEATURE_BACKENDS
118	# define EV_USE_KQUEUE 0
119	# endif	117	# endif
		118	# else
		119	# undef EV_USE_KQUEUE
		120	# define EV_USE_KQUEUE 0
120	# endif	121	# endif
121		122
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	# ifndef EV_USE_PORT
125	# else	125	# define EV_USE_PORT EV_FEATURE_BACKENDS
126	# define EV_USE_PORT 0
127	# endif	126	# endif
		127	# else
		128	# undef EV_USE_PORT
		129	# define EV_USE_PORT 0
128	# endif	130	# endif
129		131
130	# ifndef EV_USE_INOTIFY
131	# if HAVE_INOTIFY_INIT && HAVE_SYS_INOTIFY_H	132	# if HAVE_INOTIFY_INIT && HAVE_SYS_INOTIFY_H
132	# define EV_USE_INOTIFY 1	133	# ifndef EV_USE_INOTIFY
133	# else
134	# define EV_USE_INOTIFY 0	134	# define EV_USE_INOTIFY EV_FEATURE_OS
135	# endif	135	# endif
		136	# else
		137	# undef EV_USE_INOTIFY
		138	# define EV_USE_INOTIFY 0
136	# endif	139	# endif
137		140
138	# ifndef EV_USE_SIGNALFD
139	# if HAVE_SIGNALFD && HAVE_SYS_SIGNALFD_H	141	# if HAVE_SIGNALFD && HAVE_SYS_SIGNALFD_H
140	# define EV_USE_SIGNALFD 1	142	# ifndef EV_USE_SIGNALFD
141	# else
142	# define EV_USE_SIGNALFD 0	143	# define EV_USE_SIGNALFD EV_FEATURE_OS
143	# endif	144	# endif
		145	# else
		146	# undef EV_USE_SIGNALFD
		147	# define EV_USE_SIGNALFD 0
144	# endif	148	# endif
145		149
		150	# if HAVE_EVENTFD
146	# ifndef EV_USE_EVENTFD	151	# ifndef EV_USE_EVENTFD
147	# if HAVE_EVENTFD
148	# define EV_USE_EVENTFD 1	152	# define EV_USE_EVENTFD EV_FEATURE_OS
149	# else
150	# define EV_USE_EVENTFD 0
151	# endif	153	# endif
		154	# else
		155	# undef EV_USE_EVENTFD
		156	# define EV_USE_EVENTFD 0
152	# endif	157	# endif
153		158
154	#endif	159	#endif
155		160
156	#include <math.h>	161	#include <math.h>
…		…
172	#ifdef EV_H	177	#ifdef EV_H
173	# include EV_H	178	# include EV_H
174	#else	179	#else
175	# include "ev.h"	180	# include "ev.h"
176	#endif	181	#endif
		182
		183	EV_CPP(extern "C" {)
177		184
178	#ifndef _WIN32	185	#ifndef _WIN32
179	# include <sys/time.h>	186	# include <sys/time.h>
180	# include <sys/wait.h>	187	# include <sys/wait.h>
181	# include <unistd.h>	188	# include <unistd.h>
…		…
186	# ifndef EV_SELECT_IS_WINSOCKET	193	# ifndef EV_SELECT_IS_WINSOCKET
187	# define EV_SELECT_IS_WINSOCKET 1	194	# define EV_SELECT_IS_WINSOCKET 1
188	# endif	195	# endif
189	# undef EV_AVOID_STDIO	196	# undef EV_AVOID_STDIO
190	#endif	197	#endif
		198
		199	/* OS X, in its infinite idiocy, actually HARDCODES
		200	* a limit of 1024 into their select. Where people have brains,
		201	* OS X engineers apparently have a vacuum. Or maybe they were
		202	* ordered to have a vacuum, or they do anything for money.
		203	* This might help. Or not.
		204	*/
		205	#define _DARWIN_UNLIMITED_SELECT 1
191		206
192	/* this block tries to deduce configuration from header-defined symbols and defaults */	207	/* this block tries to deduce configuration from header-defined symbols and defaults */
193		208
194	/* try to deduce the maximum number of signals on this platform */	209	/* try to deduce the maximum number of signals on this platform */
195	#if defined (EV_NSIG)	210	#if defined (EV_NSIG)
…		…
219	# define EV_NSIG 65	234	# define EV_NSIG 65
220	#endif	235	#endif
221		236
222	#ifndef EV_USE_CLOCK_SYSCALL	237	#ifndef EV_USE_CLOCK_SYSCALL
223	# if __linux && __GLIBC__ >= 2	238	# if __linux && __GLIBC__ >= 2
224	# define EV_USE_CLOCK_SYSCALL 1	239	# define EV_USE_CLOCK_SYSCALL EV_FEATURE_OS
225	# else	240	# else
226	# define EV_USE_CLOCK_SYSCALL 0	241	# define EV_USE_CLOCK_SYSCALL 0
227	# endif	242	# endif
228	#endif	243	#endif
229		244
230	#ifndef EV_USE_MONOTONIC	245	#ifndef EV_USE_MONOTONIC
231	# if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0	246	# if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0
232	# define EV_USE_MONOTONIC 1	247	# define EV_USE_MONOTONIC EV_FEATURE_OS
233	# else	248	# else
234	# define EV_USE_MONOTONIC 0	249	# define EV_USE_MONOTONIC 0
235	# endif	250	# endif
236	#endif	251	#endif
237		252
…		…
239	# define EV_USE_REALTIME !EV_USE_CLOCK_SYSCALL	254	# define EV_USE_REALTIME !EV_USE_CLOCK_SYSCALL
240	#endif	255	#endif
241		256
242	#ifndef EV_USE_NANOSLEEP	257	#ifndef EV_USE_NANOSLEEP
243	# if _POSIX_C_SOURCE >= 199309L	258	# if _POSIX_C_SOURCE >= 199309L
244	# define EV_USE_NANOSLEEP 1	259	# define EV_USE_NANOSLEEP EV_FEATURE_OS
245	# else	260	# else
246	# define EV_USE_NANOSLEEP 0	261	# define EV_USE_NANOSLEEP 0
247	# endif	262	# endif
248	#endif	263	#endif
249		264
250	#ifndef EV_USE_SELECT	265	#ifndef EV_USE_SELECT
251	# define EV_USE_SELECT 1	266	# define EV_USE_SELECT EV_FEATURE_BACKENDS
252	#endif	267	#endif
253		268
254	#ifndef EV_USE_POLL	269	#ifndef EV_USE_POLL
255	# ifdef _WIN32	270	# ifdef _WIN32
256	# define EV_USE_POLL 0	271	# define EV_USE_POLL 0
257	# else	272	# else
258	# define EV_USE_POLL 1	273	# define EV_USE_POLL EV_FEATURE_BACKENDS
259	# endif	274	# endif
260	#endif	275	#endif
261		276
262	#ifndef EV_USE_EPOLL	277	#ifndef EV_USE_EPOLL
263	# if __linux && (__GLIBC__ > 2 \|\| (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))	278	# if __linux && (__GLIBC__ > 2 \|\| (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))
264	# define EV_USE_EPOLL 1	279	# define EV_USE_EPOLL EV_FEATURE_BACKENDS
265	# else	280	# else
266	# define EV_USE_EPOLL 0	281	# define EV_USE_EPOLL 0
267	# endif	282	# endif
268	#endif	283	#endif
269		284
…		…
275	# define EV_USE_PORT 0	290	# define EV_USE_PORT 0
276	#endif	291	#endif
277		292
278	#ifndef EV_USE_INOTIFY	293	#ifndef EV_USE_INOTIFY
279	# if __linux && (__GLIBC__ > 2 \|\| (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))	294	# if __linux && (__GLIBC__ > 2 \|\| (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))
280	# define EV_USE_INOTIFY 1	295	# define EV_USE_INOTIFY EV_FEATURE_OS
281	# else	296	# else
282	# define EV_USE_INOTIFY 0	297	# define EV_USE_INOTIFY 0
283	# endif	298	# endif
284	#endif	299	#endif
285		300
286	#ifndef EV_PID_HASHSIZE	301	#ifndef EV_PID_HASHSIZE
287	# if EV_MINIMAL	302	# define EV_PID_HASHSIZE EV_FEATURE_DATA ? 16 : 1
288	# define EV_PID_HASHSIZE 1
289	# else
290	# define EV_PID_HASHSIZE 16
291	# endif
292	#endif	303	#endif
293		304
294	#ifndef EV_INOTIFY_HASHSIZE	305	#ifndef EV_INOTIFY_HASHSIZE
295	# if EV_MINIMAL	306	# define EV_INOTIFY_HASHSIZE EV_FEATURE_DATA ? 16 : 1
296	# define EV_INOTIFY_HASHSIZE 1
297	# else
298	# define EV_INOTIFY_HASHSIZE 16
299	# endif
300	#endif	307	#endif
301		308
302	#ifndef EV_USE_EVENTFD	309	#ifndef EV_USE_EVENTFD
303	# if __linux && (__GLIBC__ > 2 \|\| (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7))	310	# if __linux && (__GLIBC__ > 2 \|\| (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7))
304	# define EV_USE_EVENTFD 1	311	# define EV_USE_EVENTFD EV_FEATURE_OS
305	# else	312	# else
306	# define EV_USE_EVENTFD 0	313	# define EV_USE_EVENTFD 0
307	# endif	314	# endif
308	#endif	315	#endif
309		316
310	#ifndef EV_USE_SIGNALFD	317	#ifndef EV_USE_SIGNALFD
311	# if __linux && (__GLIBC__ > 2 \|\| (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7))	318	# if __linux && (__GLIBC__ > 2 \|\| (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7))
312	# define EV_USE_SIGNALFD 1	319	# define EV_USE_SIGNALFD EV_FEATURE_OS
313	# else	320	# else
314	# define EV_USE_SIGNALFD 0	321	# define EV_USE_SIGNALFD 0
315	# endif	322	# endif
316	#endif	323	#endif
317		324
…		…
320	# define EV_USE_4HEAP 1	327	# define EV_USE_4HEAP 1
321	# define EV_HEAP_CACHE_AT 1	328	# define EV_HEAP_CACHE_AT 1
322	#endif	329	#endif
323		330
324	#ifndef EV_VERIFY	331	#ifndef EV_VERIFY
325	# define EV_VERIFY !EV_MINIMAL	332	# define EV_VERIFY (EV_FEATURE_API ? 1 : 0)
326	#endif	333	#endif
327		334
328	#ifndef EV_USE_4HEAP	335	#ifndef EV_USE_4HEAP
329	# define EV_USE_4HEAP !EV_MINIMAL	336	# define EV_USE_4HEAP EV_FEATURE_DATA
330	#endif	337	#endif
331		338
332	#ifndef EV_HEAP_CACHE_AT	339	#ifndef EV_HEAP_CACHE_AT
333	# define EV_HEAP_CACHE_AT !EV_MINIMAL	340	# define EV_HEAP_CACHE_AT EV_FEATURE_DATA
334	#endif	341	#endif
335		342
336	/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */	343	/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */
337	/* which makes programs even slower. might work on other unices, too. */	344	/* which makes programs even slower. might work on other unices, too. */
338	#if EV_USE_CLOCK_SYSCALL	345	#if EV_USE_CLOCK_SYSCALL
…		…
369	# undef EV_USE_INOTIFY	376	# undef EV_USE_INOTIFY
370	# define EV_USE_INOTIFY 0	377	# define EV_USE_INOTIFY 0
371	#endif	378	#endif
372		379
373	#if !EV_USE_NANOSLEEP	380	#if !EV_USE_NANOSLEEP
374	# ifndef _WIN32	381	/* hp-ux has it in sys/time.h, which we unconditionally include above */
		382	# if !defined(_WIN32) && !defined(__hpux)
375	# include <sys/select.h>	383	# include <sys/select.h>
376	# endif	384	# endif
377	#endif	385	#endif
378		386
379	#if EV_USE_INOTIFY	387	#if EV_USE_INOTIFY
380	# include <sys/utsname.h>
381	# include <sys/statfs.h>	388	# include <sys/statfs.h>
382	# include <sys/inotify.h>	389	# include <sys/inotify.h>
383	/* some very old inotify.h headers don't have IN_DONT_FOLLOW */	390	/* some very old inotify.h headers don't have IN_DONT_FOLLOW */
384	# ifndef IN_DONT_FOLLOW	391	# ifndef IN_DONT_FOLLOW
385	# undef EV_USE_INOTIFY	392	# undef EV_USE_INOTIFY
…		…
402	# define EFD_CLOEXEC O_CLOEXEC	409	# define EFD_CLOEXEC O_CLOEXEC
403	# else	410	# else
404	# define EFD_CLOEXEC 02000000	411	# define EFD_CLOEXEC 02000000
405	# endif	412	# endif
406	# endif	413	# endif
407	# ifdef __cplusplus
408	extern "C" {
409	# endif
410	int (eventfd) (unsigned int initval, int flags);	414	EV_CPP(extern "C") int (eventfd) (unsigned int initval, int flags);
411	# ifdef __cplusplus
412	}
413	# endif
414	#endif	415	#endif
415		416
416	#if EV_USE_SIGNALFD	417	#if EV_USE_SIGNALFD
417	/* our minimum requirement is glibc 2.7 which has the stub, but not the header */	418	/* our minimum requirement is glibc 2.7 which has the stub, but not the header */
418	# include <stdint.h>	419	# include <stdint.h>
…		…
424	# define SFD_CLOEXEC O_CLOEXEC	425	# define SFD_CLOEXEC O_CLOEXEC
425	# else	426	# else
426	# define SFD_CLOEXEC 02000000	427	# define SFD_CLOEXEC 02000000
427	# endif	428	# endif
428	# endif	429	# endif
429	# ifdef __cplusplus
430	extern "C" {
431	# endif
432	int signalfd (int fd, const sigset_t *mask, int flags);	430	EV_CPP (extern "C") int signalfd (int fd, const sigset_t *mask, int flags);
433		431
434	struct signalfd_siginfo	432	struct signalfd_siginfo
435	{	433	{
436	uint32_t ssi_signo;	434	uint32_t ssi_signo;
437	char pad[128 - sizeof (uint32_t)];	435	char pad[128 - sizeof (uint32_t)];
438	};	436	};
439	# ifdef __cplusplus
440	}
441	# endif	437	#endif
442	#endif
443
444		438
445	/**/	439	/**/
446		440
447	#if EV_VERIFY >= 3	441	#if EV_VERIFY >= 3
448	# define EV_FREQUENT_CHECK ev_loop_verify (EV_A)	442	# define EV_FREQUENT_CHECK ev_verify (EV_A)
449	#else	443	#else
450	# define EV_FREQUENT_CHECK do { } while (0)	444	# define EV_FREQUENT_CHECK do { } while (0)
451	#endif	445	#endif
452		446
453	/*	447	/*
…		…
461	#define TIME_EPSILON 0.0001220703125 /* 1/8192 */	455	#define TIME_EPSILON 0.0001220703125 /* 1/8192 */
462		456
463	#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */	457	#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */
464	#define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */	458	#define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */
465		459
		460	#define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } while (0)
		461	#define EV_TS_SET(ts,t) do { ts.tv_sec = (long)t; ts.tv_nsec = (long)((t - ts.tv_sec) * 1e9); } while (0)
		462
466	#if __GNUC__ >= 4	463	#if __GNUC__ >= 4
467	# define expect(expr,value) __builtin_expect ((expr),(value))	464	# define expect(expr,value) __builtin_expect ((expr),(value))
468	# define noinline __attribute__ ((noinline))	465	# define noinline __attribute__ ((noinline))
469	#else	466	#else
470	# define expect(expr,value) (expr)	467	# define expect(expr,value) (expr)
…		…
476		473
477	#define expect_false(expr) expect ((expr) != 0, 0)	474	#define expect_false(expr) expect ((expr) != 0, 0)
478	#define expect_true(expr) expect ((expr) != 0, 1)	475	#define expect_true(expr) expect ((expr) != 0, 1)
479	#define inline_size static inline	476	#define inline_size static inline
480		477
481	#if EV_MINIMAL	478	#if EV_FEATURE_CODE
		479	# define inline_speed static inline
		480	#else
482	# define inline_speed static noinline	481	# define inline_speed static noinline
483	#else
484	# define inline_speed static inline
485	#endif	482	#endif
486		483
487	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)	484	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
488		485
489	#if EV_MINPRI == EV_MAXPRI	486	#if EV_MINPRI == EV_MAXPRI
…		…
502	#define ev_active(w) ((W)(w))->active	499	#define ev_active(w) ((W)(w))->active
503	#define ev_at(w) ((WT)(w))->at	500	#define ev_at(w) ((WT)(w))->at
504		501
505	#if EV_USE_REALTIME	502	#if EV_USE_REALTIME
506	/* sig_atomic_t is used to avoid per-thread variables or locking but still */	503	/* sig_atomic_t is used to avoid per-thread variables or locking but still */
507	/* giving it a reasonably high chance of working on typical architetcures */	504	/* giving it a reasonably high chance of working on typical architectures */
508	static EV_ATOMIC_T have_realtime; /* did clock_gettime (CLOCK_REALTIME) work? */	505	static EV_ATOMIC_T have_realtime; /* did clock_gettime (CLOCK_REALTIME) work? */
509	#endif	506	#endif
510		507
511	#if EV_USE_MONOTONIC	508	#if EV_USE_MONOTONIC
512	static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */	509	static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */
…		…
523	#endif	520	#endif
524		521
525	#ifdef _WIN32	522	#ifdef _WIN32
526	# include "ev_win32.c"	523	# include "ev_win32.c"
527	#endif	524	#endif
		525
		526	/*****************************************************************************/
		527
		528	#ifdef __linux
		529	# include <sys/utsname.h>
		530	#endif
		531
		532	static unsigned int noinline
		533	ev_linux_version (void)
		534	{
		535	#ifdef __linux
		536	unsigned int v = 0;
		537	struct utsname buf;
		538	int i;
		539	char *p = buf.release;
		540
		541	if (uname (&buf))
		542	return 0;
		543
		544	for (i = 3+1; --i; )
		545	{
		546	unsigned int c = 0;
		547
		548	for (;;)
		549	{
		550	if (p >= '0' && p <= '9')
		551	c = c * 10 + *p++ - '0';
		552	else
		553	{
		554	p += *p == '.';
		555	break;
		556	}
		557	}
		558
		559	v = (v << 8) \| c;
		560	}
		561
		562	return v;
		563	#else
		564	return 0;
		565	#endif
		566	}
528		567
529	/*****************************************************************************/	568	/*****************************************************************************/
530		569
531	#if EV_AVOID_STDIO	570	#if EV_AVOID_STDIO
532	static void noinline	571	static void noinline
…		…
553	if (syserr_cb)	592	if (syserr_cb)
554	syserr_cb (msg);	593	syserr_cb (msg);
555	else	594	else
556	{	595	{
557	#if EV_AVOID_STDIO	596	#if EV_AVOID_STDIO
558	const char *err = strerror (errno);
559
560	ev_printerr (msg);	597	ev_printerr (msg);
561	ev_printerr (": ");	598	ev_printerr (": ");
562	ev_printerr (err);	599	ev_printerr (strerror (errno));
563	ev_printerr ("\n");	600	ev_printerr ("\n");
564	#else	601	#else
565	perror (msg);	602	perror (msg);
566	#endif	603	#endif
567	abort ();	604	abort ();
…		…
601	ptr = alloc (ptr, size);	638	ptr = alloc (ptr, size);
602		639
603	if (!ptr && size)	640	if (!ptr && size)
604	{	641	{
605	#if EV_AVOID_STDIO	642	#if EV_AVOID_STDIO
606	ev_printerr ("libev: memory allocation failed, aborting.\n");	643	ev_printerr ("(libev) memory allocation failed, aborting.\n");
607	#else	644	#else
608	fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size);	645	fprintf (stderr, "(libev) cannot allocate %ld bytes, aborting.", size);
609	#endif	646	#endif
610	abort ();	647	abort ();
611	}	648	}
612		649
613	return ptr;	650	return ptr;
…		…
630	unsigned char emask; /* the epoll backend stores the actual kernel mask in here */	667	unsigned char emask; /* the epoll backend stores the actual kernel mask in here */
631	unsigned char unused;	668	unsigned char unused;
632	#if EV_USE_EPOLL	669	#if EV_USE_EPOLL
633	unsigned int egen; /* generation counter to counter epoll bugs */	670	unsigned int egen; /* generation counter to counter epoll bugs */
634	#endif	671	#endif
635	#if EV_SELECT_IS_WINSOCKET	672	#if EV_SELECT_IS_WINSOCKET \|\| EV_USE_IOCP
636	SOCKET handle;	673	SOCKET handle;
		674	#endif
		675	#if EV_USE_IOCP
		676	OVERLAPPED or, ow;
637	#endif	677	#endif
638	} ANFD;	678	} ANFD;
639		679
640	/* stores the pending event set for a given watcher */	680	/* stores the pending event set for a given watcher */
641	typedef struct	681	typedef struct
…		…
696		736
697	static int ev_default_loop_ptr;	737	static int ev_default_loop_ptr;
698		738
699	#endif	739	#endif
700		740
701	#if EV_MINIMAL < 2	741	#if EV_FEATURE_API
702	# define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A)	742	# define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A)
703	# define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A)	743	# define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A)
704	# define EV_INVOKE_PENDING invoke_cb (EV_A)	744	# define EV_INVOKE_PENDING invoke_cb (EV_A)
705	#else	745	#else
706	# define EV_RELEASE_CB (void)0	746	# define EV_RELEASE_CB (void)0
707	# define EV_ACQUIRE_CB (void)0	747	# define EV_ACQUIRE_CB (void)0
708	# define EV_INVOKE_PENDING ev_invoke_pending (EV_A)	748	# define EV_INVOKE_PENDING ev_invoke_pending (EV_A)
709	#endif	749	#endif
710		750
711	#define EVUNLOOP_RECURSE 0x80	751	#define EVBREAK_RECURSE 0x80
712		752
713	/*****************************************************************************/	753	/*****************************************************************************/
714		754
715	#ifndef EV_HAVE_EV_TIME	755	#ifndef EV_HAVE_EV_TIME
716	ev_tstamp	756	ev_tstamp
…		…
760	if (delay > 0.)	800	if (delay > 0.)
761	{	801	{
762	#if EV_USE_NANOSLEEP	802	#if EV_USE_NANOSLEEP
763	struct timespec ts;	803	struct timespec ts;
764		804
765	ts.tv_sec = (time_t)delay;	805	EV_TS_SET (ts, delay);
766	ts.tv_nsec = (long)((delay - (ev_tstamp)(ts.tv_sec)) * 1e9);
767
768	nanosleep (&ts, 0);	806	nanosleep (&ts, 0);
769	#elif defined(_WIN32)	807	#elif defined(_WIN32)
770	Sleep ((unsigned long)(delay * 1e3));	808	Sleep ((unsigned long)(delay * 1e3));
771	#else	809	#else
772	struct timeval tv;	810	struct timeval tv;
773		811
774	tv.tv_sec = (time_t)delay;
775	tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6);
776
777	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */	812	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */
778	/* something not guaranteed by newer posix versions, but guaranteed */	813	/* something not guaranteed by newer posix versions, but guaranteed */
779	/* by older ones */	814	/* by older ones */
		815	EV_TV_SET (tv, delay);
780	select (0, 0, 0, 0, &tv);	816	select (0, 0, 0, 0, &tv);
781	#endif	817	#endif
782	}	818	}
783	}	819	}
784		820
		821	inline_speed int
		822	ev_timeout_to_ms (ev_tstamp timeout)
		823	{
		824	int ms = timeout * 1000. + .999999;
		825
		826	return expect_true (ms) ? ms : timeout < 1e-6 ? 0 : 1;
		827	}
		828
785	/*****************************************************************************/	829	/*****************************************************************************/
786		830
787	#define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2*n and >> 4 longs /	831	#define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2*n and >> 4 longs /
788		832
789	/* find a suitable new size for the given array, */	833	/* find a suitable new size for the given array, */
790	/* hopefully by rounding to a ncie-to-malloc size */	834	/* hopefully by rounding to a nice-to-malloc size */
791	inline_size int	835	inline_size int
792	array_nextsize (int elem, int cur, int cnt)	836	array_nextsize (int elem, int cur, int cnt)
793	{	837	{
794	int ncur = cur + 1;	838	int ncur = cur + 1;
795		839
…		…
930	inline_size void	974	inline_size void
931	fd_reify (EV_P)	975	fd_reify (EV_P)
932	{	976	{
933	int i;	977	int i;
934		978
		979	#if EV_SELECT_IS_WINSOCKET \|\| EV_USE_IOCP
		980	for (i = 0; i < fdchangecnt; ++i)
		981	{
		982	int fd = fdchanges [i];
		983	ANFD *anfd = anfds + fd;
		984
		985	if (anfd->reify & EV__IOFDSET)
		986	{
		987	SOCKET handle = EV_FD_TO_WIN32_HANDLE (fd);
		988
		989	if (handle != anfd->handle)
		990	{
		991	unsigned long arg;
		992
		993	assert (("libev: only socket fds supported in this configuration", ioctlsocket (handle, FIONREAD, &arg) == 0));
		994
		995	/* handle changed, but fd didn't - we need to do it in two steps */
		996	backend_modify (EV_A_ fd, anfd->events, 0);
		997	anfd->events = 0;
		998	anfd->handle = handle;
		999	}
		1000	}
		1001	}
		1002	#endif
		1003
935	for (i = 0; i < fdchangecnt; ++i)	1004	for (i = 0; i < fdchangecnt; ++i)
936	{	1005	{
937	int fd = fdchanges [i];	1006	int fd = fdchanges [i];
938	ANFD *anfd = anfds + fd;	1007	ANFD *anfd = anfds + fd;
939	ev_io *w;	1008	ev_io *w;
940		1009
941	unsigned char events = 0;	1010	unsigned char o_events = anfd->events;
		1011	unsigned char o_reify = anfd->reify;
942		1012
943	for (w = (ev_io )anfd->head; w; w = (ev_io )((WL)w)->next)	1013	anfd->reify = 0;
944	events \|= (unsigned char)w->events;
945		1014
946	#if EV_SELECT_IS_WINSOCKET	1015	/if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation /
947	if (events)
948	{	1016	{
949	unsigned long arg;	1017	anfd->events = 0;
950	anfd->handle = EV_FD_TO_WIN32_HANDLE (fd);	1018
951	assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0));	1019	for (w = (ev_io )anfd->head; w; w = (ev_io )((WL)w)->next)
		1020	anfd->events \|= (unsigned char)w->events;
		1021
		1022	if (o_events != anfd->events)
		1023	o_reify = EV__IOFDSET; /* actually \|= */
952	}	1024	}
953	#endif
954		1025
955	{	1026	if (o_reify & EV__IOFDSET)
956	unsigned char o_events = anfd->events;
957	unsigned char o_reify = anfd->reify;
958
959	anfd->reify = 0;
960	anfd->events = events;
961
962	if (o_events != events \|\| o_reify & EV__IOFDSET)
963	backend_modify (EV_A_ fd, o_events, events);	1027	backend_modify (EV_A_ fd, o_events, anfd->events);
964	}
965	}	1028	}
966		1029
967	fdchangecnt = 0;	1030	fdchangecnt = 0;
968	}	1031	}
969		1032
…		…
1062	}	1125	}
1063		1126
1064	/*****************************************************************************/	1127	/*****************************************************************************/
1065		1128
1066	/*	1129	/*
1067	* the heap functions want a real array index. array index 0 uis guaranteed to not	1130	* the heap functions want a real array index. array index 0 is guaranteed to not
1068	* be in-use at any time. the first heap entry is at array [HEAP0]. DHEAP gives	1131	* be in-use at any time. the first heap entry is at array [HEAP0]. DHEAP gives
1069	* the branching factor of the d-tree.	1132	* the branching factor of the d-tree.
1070	*/	1133	*/
1071		1134
1072	/*	1135	/*
…		…
1272	uint64_t counter = 1;	1335	uint64_t counter = 1;
1273	write (evfd, &counter, sizeof (uint64_t));	1336	write (evfd, &counter, sizeof (uint64_t));
1274	}	1337	}
1275	else	1338	else
1276	#endif	1339	#endif
		1340	/* win32 people keep sending patches that change this write() to send() */
		1341	/* and then run away. but send() is wrong, it wants a socket handle on win32 */
		1342	/* so when you think this write should be a send instead, please find out */
		1343	/* where your send() is from - it's definitely not the microsoft send, and */
		1344	/* tell me. thank you. */
1277	write (evpipe [1], &dummy, 1);	1345	write (evpipe [1], &dummy, 1);
1278		1346
1279	errno = old_errno;	1347	errno = old_errno;
1280	}	1348	}
1281	}	1349	}
…		…
1295	}	1363	}
1296	else	1364	else
1297	#endif	1365	#endif
1298	{	1366	{
1299	char dummy;	1367	char dummy;
		1368	/* see discussion in evpipe_write when you think this read should be recv in win32 */
1300	read (evpipe [0], &dummy, 1);	1369	read (evpipe [0], &dummy, 1);
1301	}	1370	}
1302		1371
		1372	#if EV_SIGNAL_ENABLE
1303	if (sig_pending)	1373	if (sig_pending)
1304	{	1374	{
1305	sig_pending = 0;	1375	sig_pending = 0;
1306		1376
1307	for (i = EV_NSIG - 1; i--; )	1377	for (i = EV_NSIG - 1; i--; )
1308	if (expect_false (signals [i].pending))	1378	if (expect_false (signals [i].pending))
1309	ev_feed_signal_event (EV_A_ i + 1);	1379	ev_feed_signal_event (EV_A_ i + 1);
1310	}	1380	}
		1381	#endif
1311		1382
1312	#if EV_ASYNC_ENABLE	1383	#if EV_ASYNC_ENABLE
1313	if (async_pending)	1384	if (async_pending)
1314	{	1385	{
1315	async_pending = 0;	1386	async_pending = 0;
…		…
1324	#endif	1395	#endif
1325	}	1396	}
1326		1397
1327	/*****************************************************************************/	1398	/*****************************************************************************/
1328		1399
		1400	void
		1401	ev_feed_signal (int signum)
		1402	{
		1403	#if EV_MULTIPLICITY
		1404	EV_P = signals [signum - 1].loop;
		1405
		1406	if (!EV_A)
		1407	return;
		1408	#endif
		1409
		1410	signals [signum - 1].pending = 1;
		1411	evpipe_write (EV_A_ &sig_pending);
		1412	}
		1413
1329	static void	1414	static void
1330	ev_sighandler (int signum)	1415	ev_sighandler (int signum)
1331	{	1416	{
1332	#if EV_MULTIPLICITY
1333	EV_P = signals [signum - 1].loop;
1334	#endif
1335
1336	#ifdef _WIN32	1417	#ifdef _WIN32
1337	signal (signum, ev_sighandler);	1418	signal (signum, ev_sighandler);
1338	#endif	1419	#endif
1339		1420
1340	signals [signum - 1].pending = 1;	1421	ev_feed_signal (signum);
1341	evpipe_write (EV_A_ &sig_pending);
1342	}	1422	}
1343		1423
1344	void noinline	1424	void noinline
1345	ev_feed_signal_event (EV_P_ int signum)	1425	ev_feed_signal_event (EV_P_ int signum)
1346	{	1426	{
…		…
1403	child_reap (EV_P_ int chain, int pid, int status)	1483	child_reap (EV_P_ int chain, int pid, int status)
1404	{	1484	{
1405	ev_child *w;	1485	ev_child *w;
1406	int traced = WIFSTOPPED (status) \|\| WIFCONTINUED (status);	1486	int traced = WIFSTOPPED (status) \|\| WIFCONTINUED (status);
1407		1487
1408	for (w = (ev_child )childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child )((WL)w)->next)	1488	for (w = (ev_child )childs [chain & ((EV_PID_HASHSIZE) - 1)]; w; w = (ev_child )((WL)w)->next)
1409	{	1489	{
1410	if ((w->pid == pid \|\| !w->pid)	1490	if ((w->pid == pid \|\| !w->pid)
1411	&& (!traced \|\| (w->flags & 1)))	1491	&& (!traced \|\| (w->flags & 1)))
1412	{	1492	{
1413	ev_set_priority (w, EV_MAXPRI); /* need to do it now, this must be the same prio as the signal watcher itself */	1493	ev_set_priority (w, EV_MAXPRI); /* need to do it now, this must be the same prio as the signal watcher itself */
…		…
1438	/* make sure we are called again until all children have been reaped */	1518	/* make sure we are called again until all children have been reaped */
1439	/* we need to do it this way so that the callback gets called before we continue */	1519	/* we need to do it this way so that the callback gets called before we continue */
1440	ev_feed_event (EV_A_ (W)sw, EV_SIGNAL);	1520	ev_feed_event (EV_A_ (W)sw, EV_SIGNAL);
1441		1521
1442	child_reap (EV_A_ pid, pid, status);	1522	child_reap (EV_A_ pid, pid, status);
1443	if (EV_PID_HASHSIZE > 1)	1523	if ((EV_PID_HASHSIZE) > 1)
1444	child_reap (EV_A_ 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */	1524	child_reap (EV_A_ 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */
1445	}	1525	}
1446		1526
1447	#endif	1527	#endif
1448		1528
1449	/*****************************************************************************/	1529	/*****************************************************************************/
1450		1530
		1531	#if EV_USE_IOCP
		1532	# include "ev_iocp.c"
		1533	#endif
1451	#if EV_USE_PORT	1534	#if EV_USE_PORT
1452	# include "ev_port.c"	1535	# include "ev_port.c"
1453	#endif	1536	#endif
1454	#if EV_USE_KQUEUE	1537	#if EV_USE_KQUEUE
1455	# include "ev_kqueue.c"	1538	# include "ev_kqueue.c"
…		…
1515	#ifdef __APPLE__	1598	#ifdef __APPLE__
1516	/* only select works correctly on that "unix-certified" platform */	1599	/* only select works correctly on that "unix-certified" platform */
1517	flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */	1600	flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */
1518	flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */	1601	flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */
1519	#endif	1602	#endif
		1603	#ifdef __FreeBSD__
		1604	flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */
		1605	#endif
1520		1606
1521	return flags;	1607	return flags;
1522	}	1608	}
1523		1609
1524	unsigned int	1610	unsigned int
1525	ev_embeddable_backends (void)	1611	ev_embeddable_backends (void)
1526	{	1612	{
1527	int flags = EVBACKEND_EPOLL \| EVBACKEND_KQUEUE \| EVBACKEND_PORT;	1613	int flags = EVBACKEND_EPOLL \| EVBACKEND_KQUEUE \| EVBACKEND_PORT;
1528		1614
1529	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */	1615	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */
1530	/* please fix it and tell me how to detect the fix */	1616	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
1531	flags &= ~EVBACKEND_EPOLL;	1617	flags &= ~EVBACKEND_EPOLL;
1532		1618
1533	return flags;	1619	return flags;
1534	}	1620	}
1535		1621
1536	unsigned int	1622	unsigned int
1537	ev_backend (EV_P)	1623	ev_backend (EV_P)
1538	{	1624	{
1539	return backend;	1625	return backend;
1540	}	1626	}
1541		1627
1542	#if EV_MINIMAL < 2	1628	#if EV_FEATURE_API
1543	unsigned int	1629	unsigned int
1544	ev_loop_count (EV_P)	1630	ev_iteration (EV_P)
1545	{	1631	{
1546	return loop_count;	1632	return loop_count;
1547	}	1633	}
1548		1634
1549	unsigned int	1635	unsigned int
1550	ev_loop_depth (EV_P)	1636	ev_depth (EV_P)
1551	{	1637	{
1552	return loop_depth;	1638	return loop_depth;
1553	}	1639	}
1554		1640
1555	void	1641	void
…		…
1592	static void noinline	1678	static void noinline
1593	loop_init (EV_P_ unsigned int flags)	1679	loop_init (EV_P_ unsigned int flags)
1594	{	1680	{
1595	if (!backend)	1681	if (!backend)
1596	{	1682	{
		1683	origflags = flags;
		1684
1597	#if EV_USE_REALTIME	1685	#if EV_USE_REALTIME
1598	if (!have_realtime)	1686	if (!have_realtime)
1599	{	1687	{
1600	struct timespec ts;	1688	struct timespec ts;
1601		1689
…		…
1627		1715
1628	ev_rt_now = ev_time ();	1716	ev_rt_now = ev_time ();
1629	mn_now = get_clock ();	1717	mn_now = get_clock ();
1630	now_floor = mn_now;	1718	now_floor = mn_now;
1631	rtmn_diff = ev_rt_now - mn_now;	1719	rtmn_diff = ev_rt_now - mn_now;
1632	#if EV_MINIMAL < 2	1720	#if EV_FEATURE_API
1633	invoke_cb = ev_invoke_pending;	1721	invoke_cb = ev_invoke_pending;
1634	#endif	1722	#endif
1635		1723
1636	io_blocktime = 0.;	1724	io_blocktime = 0.;
1637	timeout_blocktime = 0.;	1725	timeout_blocktime = 0.;
…		…
1646	#endif	1734	#endif
1647	#if EV_USE_SIGNALFD	1735	#if EV_USE_SIGNALFD
1648	sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;	1736	sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;
1649	#endif	1737	#endif
1650		1738
1651	if (!(flags & 0x0000ffffU))	1739	if (!(flags & EVBACKEND_MASK))
1652	flags \|= ev_recommended_backends ();	1740	flags \|= ev_recommended_backends ();
1653		1741
		1742	#if EV_USE_IOCP
		1743	if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags);
		1744	#endif
1654	#if EV_USE_PORT	1745	#if EV_USE_PORT
1655	if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);	1746	if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);
1656	#endif	1747	#endif
1657	#if EV_USE_KQUEUE	1748	#if EV_USE_KQUEUE
1658	if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags);	1749	if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags);
…		…
1675	#endif	1766	#endif
1676	}	1767	}
1677	}	1768	}
1678		1769
1679	/* free up a loop structure */	1770	/* free up a loop structure */
1680	static void noinline	1771	void
1681	loop_destroy (EV_P)	1772	ev_loop_destroy (EV_P)
1682	{	1773	{
1683	int i;	1774	int i;
		1775
		1776	#if EV_MULTIPLICITY
		1777	/* mimic free (0) */
		1778	if (!EV_A)
		1779	return;
		1780	#endif
		1781
		1782	#if EV_CLEANUP_ENABLE
		1783	/* queue cleanup watchers (and execute them) */
		1784	if (expect_false (cleanupcnt))
		1785	{
		1786	queue_events (EV_A_ (W *)cleanups, cleanupcnt, EV_CLEANUP);
		1787	EV_INVOKE_PENDING;
		1788	}
		1789	#endif
		1790
		1791	#if EV_CHILD_ENABLE
		1792	if (ev_is_active (&childev))
		1793	{
		1794	ev_ref (EV_A); /* child watcher */
		1795	ev_signal_stop (EV_A_ &childev);
		1796	}
		1797	#endif
1684		1798
1685	if (ev_is_active (&pipe_w))	1799	if (ev_is_active (&pipe_w))
1686	{	1800	{
1687	/ev_ref (EV_A);/	1801	/ev_ref (EV_A);/
1688	/ev_io_stop (EV_A_ &pipe_w);/	1802	/ev_io_stop (EV_A_ &pipe_w);/
…		…
1710	#endif	1824	#endif
1711		1825
1712	if (backend_fd >= 0)	1826	if (backend_fd >= 0)
1713	close (backend_fd);	1827	close (backend_fd);
1714		1828
		1829	#if EV_USE_IOCP
		1830	if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A);
		1831	#endif
1715	#if EV_USE_PORT	1832	#if EV_USE_PORT
1716	if (backend == EVBACKEND_PORT ) port_destroy (EV_A);	1833	if (backend == EVBACKEND_PORT ) port_destroy (EV_A);
1717	#endif	1834	#endif
1718	#if EV_USE_KQUEUE	1835	#if EV_USE_KQUEUE
1719	if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A);	1836	if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A);
…		…
1746	array_free (periodic, EMPTY);	1863	array_free (periodic, EMPTY);
1747	#endif	1864	#endif
1748	#if EV_FORK_ENABLE	1865	#if EV_FORK_ENABLE
1749	array_free (fork, EMPTY);	1866	array_free (fork, EMPTY);
1750	#endif	1867	#endif
		1868	#if EV_CLEANUP_ENABLE
		1869	array_free (cleanup, EMPTY);
		1870	#endif
1751	array_free (prepare, EMPTY);	1871	array_free (prepare, EMPTY);
1752	array_free (check, EMPTY);	1872	array_free (check, EMPTY);
1753	#if EV_ASYNC_ENABLE	1873	#if EV_ASYNC_ENABLE
1754	array_free (async, EMPTY);	1874	array_free (async, EMPTY);
1755	#endif	1875	#endif
1756		1876
1757	backend = 0;	1877	backend = 0;
		1878
		1879	#if EV_MULTIPLICITY
		1880	if (ev_is_default_loop (EV_A))
		1881	#endif
		1882	ev_default_loop_ptr = 0;
		1883	#if EV_MULTIPLICITY
		1884	else
		1885	ev_free (EV_A);
		1886	#endif
1758	}	1887	}
1759		1888
1760	#if EV_USE_INOTIFY	1889	#if EV_USE_INOTIFY
1761	inline_size void infy_fork (EV_P);	1890	inline_size void infy_fork (EV_P);
1762	#endif	1891	#endif
…		…
1821	loop_init (EV_A_ flags);	1950	loop_init (EV_A_ flags);
1822		1951
1823	if (ev_backend (EV_A))	1952	if (ev_backend (EV_A))
1824	return EV_A;	1953	return EV_A;
1825		1954
		1955	ev_free (EV_A);
1826	return 0;	1956	return 0;
1827	}	1957	}
1828		1958
1829	void
1830	ev_loop_destroy (EV_P)
1831	{
1832	loop_destroy (EV_A);
1833	ev_free (loop);
1834	}
1835
1836	void
1837	ev_loop_fork (EV_P)
1838	{
1839	postfork = 1; /* must be in line with ev_default_fork */
1840	}
1841	#endif /* multiplicity */	1959	#endif /* multiplicity */
1842		1960
1843	#if EV_VERIFY	1961	#if EV_VERIFY
1844	static void noinline	1962	static void noinline
1845	verify_watcher (EV_P_ W w)	1963	verify_watcher (EV_P_ W w)
…		…
1874	verify_watcher (EV_A_ ws [cnt]);	1992	verify_watcher (EV_A_ ws [cnt]);
1875	}	1993	}
1876	}	1994	}
1877	#endif	1995	#endif
1878		1996
1879	#if EV_MINIMAL < 2	1997	#if EV_FEATURE_API
1880	void	1998	void
1881	ev_loop_verify (EV_P)	1999	ev_verify (EV_P)
1882	{	2000	{
1883	#if EV_VERIFY	2001	#if EV_VERIFY
1884	int i;	2002	int i;
1885	WL w;	2003	WL w;
1886		2004
…		…
1920	#if EV_FORK_ENABLE	2038	#if EV_FORK_ENABLE
1921	assert (forkmax >= forkcnt);	2039	assert (forkmax >= forkcnt);
1922	array_verify (EV_A_ (W *)forks, forkcnt);	2040	array_verify (EV_A_ (W *)forks, forkcnt);
1923	#endif	2041	#endif
1924		2042
		2043	#if EV_CLEANUP_ENABLE
		2044	assert (cleanupmax >= cleanupcnt);
		2045	array_verify (EV_A_ (W *)cleanups, cleanupcnt);
		2046	#endif
		2047
1925	#if EV_ASYNC_ENABLE	2048	#if EV_ASYNC_ENABLE
1926	assert (asyncmax >= asynccnt);	2049	assert (asyncmax >= asynccnt);
1927	array_verify (EV_A_ (W *)asyncs, asynccnt);	2050	array_verify (EV_A_ (W *)asyncs, asynccnt);
1928	#endif	2051	#endif
1929		2052
…		…
1937	array_verify (EV_A_ (W *)checks, checkcnt);	2060	array_verify (EV_A_ (W *)checks, checkcnt);
1938	#endif	2061	#endif
1939		2062
1940	# if 0	2063	# if 0
1941	#if EV_CHILD_ENABLE	2064	#if EV_CHILD_ENABLE
1942	for (w = (ev_child )childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child )((WL)w)->next)	2065	for (w = (ev_child )childs [chain & ((EV_PID_HASHSIZE) - 1)]; w; w = (ev_child )((WL)w)->next)
1943	for (signum = EV_NSIG; signum--; ) if (signals [signum].pending)	2066	for (signum = EV_NSIG; signum--; ) if (signals [signum].pending)
1944	#endif	2067	#endif
1945	# endif	2068	# endif
1946	#endif	2069	#endif
1947	}	2070	}
1948	#endif	2071	#endif
1949		2072
1950	#if EV_MULTIPLICITY	2073	#if EV_MULTIPLICITY
1951	struct ev_loop *	2074	struct ev_loop *
1952	ev_default_loop_init (unsigned int flags)
1953	#else	2075	#else
1954	int	2076	int
		2077	#endif
1955	ev_default_loop (unsigned int flags)	2078	ev_default_loop (unsigned int flags)
1956	#endif
1957	{	2079	{
1958	if (!ev_default_loop_ptr)	2080	if (!ev_default_loop_ptr)
1959	{	2081	{
1960	#if EV_MULTIPLICITY	2082	#if EV_MULTIPLICITY
1961	EV_P = ev_default_loop_ptr = &default_loop_struct;	2083	EV_P = ev_default_loop_ptr = &default_loop_struct;
…		…
1980		2102
1981	return ev_default_loop_ptr;	2103	return ev_default_loop_ptr;
1982	}	2104	}
1983		2105
1984	void	2106	void
1985	ev_default_destroy (void)	2107	ev_loop_fork (EV_P)
1986	{	2108	{
1987	#if EV_MULTIPLICITY
1988	EV_P = ev_default_loop_ptr;
1989	#endif
1990
1991	ev_default_loop_ptr = 0;
1992
1993	#if EV_CHILD_ENABLE
1994	ev_ref (EV_A); /* child watcher */
1995	ev_signal_stop (EV_A_ &childev);
1996	#endif
1997
1998	loop_destroy (EV_A);
1999	}
2000
2001	void
2002	ev_default_fork (void)
2003	{
2004	#if EV_MULTIPLICITY
2005	EV_P = ev_default_loop_ptr;
2006	#endif
2007
2008	postfork = 1; /* must be in line with ev_loop_fork */	2109	postfork = 1; /* must be in line with ev_default_fork */
2009	}	2110	}
2010		2111
2011	/*****************************************************************************/	2112	/*****************************************************************************/
2012		2113
2013	void	2114	void
…		…
2035		2136
2036	for (pri = NUMPRI; pri--; )	2137	for (pri = NUMPRI; pri--; )
2037	while (pendingcnt [pri])	2138	while (pendingcnt [pri])
2038	{	2139	{
2039	ANPENDING *p = pendings [pri] + --pendingcnt [pri];	2140	ANPENDING *p = pendings [pri] + --pendingcnt [pri];
2040
2041	/assert (("libev: non-pending watcher on pending list", p->w->pending));/
2042	/* ^ this is no longer true, as pending_w could be here */
2043		2141
2044	p->w->pending = 0;	2142	p->w->pending = 0;
2045	EV_CB_INVOKE (p->w, p->events);	2143	EV_CB_INVOKE (p->w, p->events);
2046	EV_FREQUENT_CHECK;	2144	EV_FREQUENT_CHECK;
2047	}	2145	}
…		…
2104	EV_FREQUENT_CHECK;	2202	EV_FREQUENT_CHECK;
2105	feed_reverse (EV_A_ (W)w);	2203	feed_reverse (EV_A_ (W)w);
2106	}	2204	}
2107	while (timercnt && ANHE_at (timers [HEAP0]) < mn_now);	2205	while (timercnt && ANHE_at (timers [HEAP0]) < mn_now);
2108		2206
2109	feed_reverse_done (EV_A_ EV_TIMEOUT);	2207	feed_reverse_done (EV_A_ EV_TIMER);
2110	}	2208	}
2111	}	2209	}
2112		2210
2113	#if EV_PERIODIC_ENABLE	2211	#if EV_PERIODIC_ENABLE
		2212
		2213	inline_speed void
		2214	periodic_recalc (EV_P_ ev_periodic *w)
		2215	{
		2216	/* TODO: use slow but potentially more correct incremental algo, */
		2217	/* also do not rely on ceil */
		2218	ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
		2219	}
		2220
2114	/* make periodics pending */	2221	/* make periodics pending */
2115	inline_size void	2222	inline_size void
2116	periodics_reify (EV_P)	2223	periodics_reify (EV_P)
2117	{	2224	{
2118	EV_FREQUENT_CHECK;	2225	EV_FREQUENT_CHECK;
…		…
2137	ANHE_at_cache (periodics [HEAP0]);	2244	ANHE_at_cache (periodics [HEAP0]);
2138	downheap (periodics, periodiccnt, HEAP0);	2245	downheap (periodics, periodiccnt, HEAP0);
2139	}	2246	}
2140	else if (w->interval)	2247	else if (w->interval)
2141	{	2248	{
2142	ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;	2249	periodic_recalc (EV_A_ w);
		2250
2143	/* if next trigger time is not sufficiently in the future, put it there */	2251	/* if next trigger time is not sufficiently in the future, put it there */
2144	/* this might happen because of floating point inexactness */	2252	/* this might happen because of floating point inexactness */
2145	if (ev_at (w) - ev_rt_now < TIME_EPSILON)	2253	if (ev_at (w) - ev_rt_now < TIME_EPSILON)
2146	{	2254	{
2147	ev_at (w) += w->interval;	2255	ev_at (w) += w->interval;
…		…
2167	feed_reverse_done (EV_A_ EV_PERIODIC);	2275	feed_reverse_done (EV_A_ EV_PERIODIC);
2168	}	2276	}
2169	}	2277	}
2170		2278
2171	/* simply recalculate all periodics */	2279	/* simply recalculate all periodics */
2172	/* TODO: maybe ensure that at leats one event happens when jumping forward? */	2280	/* TODO: maybe ensure that at least one event happens when jumping forward? */
2173	static void noinline	2281	static void noinline
2174	periodics_reschedule (EV_P)	2282	periodics_reschedule (EV_P)
2175	{	2283	{
2176	int i;	2284	int i;
2177		2285
…		…
2181	ev_periodic w = (ev_periodic )ANHE_w (periodics [i]);	2289	ev_periodic w = (ev_periodic )ANHE_w (periodics [i]);
2182		2290
2183	if (w->reschedule_cb)	2291	if (w->reschedule_cb)
2184	ev_at (w) = w->reschedule_cb (w, ev_rt_now);	2292	ev_at (w) = w->reschedule_cb (w, ev_rt_now);
2185	else if (w->interval)	2293	else if (w->interval)
2186	ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;	2294	periodic_recalc (EV_A_ w);
2187		2295
2188	ANHE_at_cache (periodics [i]);	2296	ANHE_at_cache (periodics [i]);
2189	}	2297	}
2190		2298
2191	reheap (periodics, periodiccnt);	2299	reheap (periodics, periodiccnt);
…		…
2273	mn_now = ev_rt_now;	2381	mn_now = ev_rt_now;
2274	}	2382	}
2275	}	2383	}
2276		2384
2277	void	2385	void
2278	ev_loop (EV_P_ int flags)	2386	ev_run (EV_P_ int flags)
2279	{	2387	{
2280	#if EV_MINIMAL < 2	2388	#if EV_FEATURE_API
2281	++loop_depth;	2389	++loop_depth;
2282	#endif	2390	#endif
2283		2391
2284	assert (("libev: ev_loop recursion during release detected", loop_done != EVUNLOOP_RECURSE));	2392	assert (("libev: ev_loop recursion during release detected", loop_done != EVBREAK_RECURSE));
2285		2393
2286	loop_done = EVUNLOOP_CANCEL;	2394	loop_done = EVBREAK_CANCEL;
2287		2395
2288	EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */	2396	EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */
2289		2397
2290	do	2398	do
2291	{	2399	{
2292	#if EV_VERIFY >= 2	2400	#if EV_VERIFY >= 2
2293	ev_loop_verify (EV_A);	2401	ev_verify (EV_A);
2294	#endif	2402	#endif
2295		2403
2296	#ifndef _WIN32	2404	#ifndef _WIN32
2297	if (expect_false (curpid)) /* penalise the forking check even more */	2405	if (expect_false (curpid)) /* penalise the forking check even more */
2298	if (expect_false (getpid () != curpid))	2406	if (expect_false (getpid () != curpid))
…		…
2334	/* calculate blocking time */	2442	/* calculate blocking time */
2335	{	2443	{
2336	ev_tstamp waittime = 0.;	2444	ev_tstamp waittime = 0.;
2337	ev_tstamp sleeptime = 0.;	2445	ev_tstamp sleeptime = 0.;
2338		2446
		2447	/* remember old timestamp for io_blocktime calculation */
		2448	ev_tstamp prev_mn_now = mn_now;
		2449
		2450	/* update time to cancel out callback processing overhead */
		2451	time_update (EV_A_ 1e100);
		2452
2339	if (expect_true (!(flags & EVLOOP_NONBLOCK \|\| idleall \|\| !activecnt)))	2453	if (expect_true (!(flags & EVRUN_NOWAIT \|\| idleall \|\| !activecnt)))
2340	{	2454	{
2341	/* remember old timestamp for io_blocktime calculation */
2342	ev_tstamp prev_mn_now = mn_now;
2343
2344	/* update time to cancel out callback processing overhead */
2345	time_update (EV_A_ 1e100);
2346
2347	waittime = MAX_BLOCKTIME;	2455	waittime = MAX_BLOCKTIME;
2348		2456
2349	if (timercnt)	2457	if (timercnt)
2350	{	2458	{
2351	ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge;	2459	ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge;
…		…
2378	waittime -= sleeptime;	2486	waittime -= sleeptime;
2379	}	2487	}
2380	}	2488	}
2381	}	2489	}
2382		2490
2383	#if EV_MINIMAL < 2	2491	#if EV_FEATURE_API
2384	++loop_count;	2492	++loop_count;
2385	#endif	2493	#endif
2386	assert ((loop_done = EVUNLOOP_RECURSE, 1)); /* assert for side effect */	2494	assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */
2387	backend_poll (EV_A_ waittime);	2495	backend_poll (EV_A_ waittime);
2388	assert ((loop_done = EVUNLOOP_CANCEL, 1)); /* assert for side effect */	2496	assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */
2389		2497
2390	/* update ev_rt_now, do magic */	2498	/* update ev_rt_now, do magic */
2391	time_update (EV_A_ waittime + sleeptime);	2499	time_update (EV_A_ waittime + sleeptime);
2392	}	2500	}
2393		2501
…		…
2411	EV_INVOKE_PENDING;	2519	EV_INVOKE_PENDING;
2412	}	2520	}
2413	while (expect_true (	2521	while (expect_true (
2414	activecnt	2522	activecnt
2415	&& !loop_done	2523	&& !loop_done
2416	&& !(flags & (EVLOOP_ONESHOT \| EVLOOP_NONBLOCK))	2524	&& !(flags & (EVRUN_ONCE \| EVRUN_NOWAIT))
2417	));	2525	));
2418		2526
2419	if (loop_done == EVUNLOOP_ONE)	2527	if (loop_done == EVBREAK_ONE)
2420	loop_done = EVUNLOOP_CANCEL;	2528	loop_done = EVBREAK_CANCEL;
2421		2529
2422	#if EV_MINIMAL < 2	2530	#if EV_FEATURE_API
2423	--loop_depth;	2531	--loop_depth;
2424	#endif	2532	#endif
2425	}	2533	}
2426		2534
2427	void	2535	void
2428	ev_unloop (EV_P_ int how)	2536	ev_break (EV_P_ int how)
2429	{	2537	{
2430	loop_done = how;	2538	loop_done = how;
2431	}	2539	}
2432		2540
2433	void	2541	void
…		…
2581	EV_FREQUENT_CHECK;	2689	EV_FREQUENT_CHECK;
2582		2690
2583	wlist_del (&anfds[w->fd].head, (WL)w);	2691	wlist_del (&anfds[w->fd].head, (WL)w);
2584	ev_stop (EV_A_ (W)w);	2692	ev_stop (EV_A_ (W)w);
2585		2693
2586	fd_change (EV_A_ w->fd, 1);	2694	fd_change (EV_A_ w->fd, EV_ANFD_REIFY);
2587		2695
2588	EV_FREQUENT_CHECK;	2696	EV_FREQUENT_CHECK;
2589	}	2697	}
2590		2698
2591	void noinline	2699	void noinline
…		…
2683	if (w->reschedule_cb)	2791	if (w->reschedule_cb)
2684	ev_at (w) = w->reschedule_cb (w, ev_rt_now);	2792	ev_at (w) = w->reschedule_cb (w, ev_rt_now);
2685	else if (w->interval)	2793	else if (w->interval)
2686	{	2794	{
2687	assert (("libev: ev_periodic_start called with negative interval value", w->interval >= 0.));	2795	assert (("libev: ev_periodic_start called with negative interval value", w->interval >= 0.));
2688	/* this formula differs from the one in periodic_reify because we do not always round up */	2796	periodic_recalc (EV_A_ w);
2689	ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
2690	}	2797	}
2691	else	2798	else
2692	ev_at (w) = w->offset;	2799	ev_at (w) = w->offset;
2693		2800
2694	EV_FREQUENT_CHECK;	2801	EV_FREQUENT_CHECK;
…		…
2815	sa.sa_handler = ev_sighandler;	2922	sa.sa_handler = ev_sighandler;
2816	sigfillset (&sa.sa_mask);	2923	sigfillset (&sa.sa_mask);
2817	sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */	2924	sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */
2818	sigaction (w->signum, &sa, 0);	2925	sigaction (w->signum, &sa, 0);
2819		2926
		2927	if (origflags & EVFLAG_NOSIGMASK)
		2928	{
2820	sigemptyset (&sa.sa_mask);	2929	sigemptyset (&sa.sa_mask);
2821	sigaddset (&sa.sa_mask, w->signum);	2930	sigaddset (&sa.sa_mask, w->signum);
2822	sigprocmask (SIG_UNBLOCK, &sa.sa_mask, 0);	2931	sigprocmask (SIG_UNBLOCK, &sa.sa_mask, 0);
		2932	}
2823	#endif	2933	#endif
2824	}	2934	}
2825		2935
2826	EV_FREQUENT_CHECK;	2936	EV_FREQUENT_CHECK;
2827	}	2937	}
…		…
2877	return;	2987	return;
2878		2988
2879	EV_FREQUENT_CHECK;	2989	EV_FREQUENT_CHECK;
2880		2990
2881	ev_start (EV_A_ (W)w, 1);	2991	ev_start (EV_A_ (W)w, 1);
2882	wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);	2992	wlist_add (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w);
2883		2993
2884	EV_FREQUENT_CHECK;	2994	EV_FREQUENT_CHECK;
2885	}	2995	}
2886		2996
2887	void	2997	void
…		…
2891	if (expect_false (!ev_is_active (w)))	3001	if (expect_false (!ev_is_active (w)))
2892	return;	3002	return;
2893		3003
2894	EV_FREQUENT_CHECK;	3004	EV_FREQUENT_CHECK;
2895		3005
2896	wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);	3006	wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w);
2897	ev_stop (EV_A_ (W)w);	3007	ev_stop (EV_A_ (W)w);
2898		3008
2899	EV_FREQUENT_CHECK;	3009	EV_FREQUENT_CHECK;
2900	}	3010	}
2901		3011
…		…
2974	while (w->wd < 0 && (errno == ENOENT \|\| errno == EACCES));	3084	while (w->wd < 0 && (errno == ENOENT \|\| errno == EACCES));
2975	}	3085	}
2976	}	3086	}
2977		3087
2978	if (w->wd >= 0)	3088	if (w->wd >= 0)
2979	wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w);	3089	wlist_add (&fs_hash [w->wd & ((EV_INOTIFY_HASHSIZE) - 1)].head, (WL)w);
2980		3090
2981	/* now re-arm timer, if required */	3091	/* now re-arm timer, if required */
2982	if (ev_is_active (&w->timer)) ev_ref (EV_A);	3092	if (ev_is_active (&w->timer)) ev_ref (EV_A);
2983	ev_timer_again (EV_A_ &w->timer);	3093	ev_timer_again (EV_A_ &w->timer);
2984	if (ev_is_active (&w->timer)) ev_unref (EV_A);	3094	if (ev_is_active (&w->timer)) ev_unref (EV_A);
…		…
2992		3102
2993	if (wd < 0)	3103	if (wd < 0)
2994	return;	3104	return;
2995		3105
2996	w->wd = -2;	3106	w->wd = -2;
2997	slot = wd & (EV_INOTIFY_HASHSIZE - 1);	3107	slot = wd & ((EV_INOTIFY_HASHSIZE) - 1);
2998	wlist_del (&fs_hash [slot].head, (WL)w);	3108	wlist_del (&fs_hash [slot].head, (WL)w);
2999		3109
3000	/* remove this watcher, if others are watching it, they will rearm */	3110	/* remove this watcher, if others are watching it, they will rearm */
3001	inotify_rm_watch (fs_fd, wd);	3111	inotify_rm_watch (fs_fd, wd);
3002	}	3112	}
…		…
3004	static void noinline	3114	static void noinline
3005	infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)	3115	infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)
3006	{	3116	{
3007	if (slot < 0)	3117	if (slot < 0)
3008	/* overflow, need to check for all hash slots */	3118	/* overflow, need to check for all hash slots */
3009	for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot)	3119	for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)
3010	infy_wd (EV_A_ slot, wd, ev);	3120	infy_wd (EV_A_ slot, wd, ev);
3011	else	3121	else
3012	{	3122	{
3013	WL w_;	3123	WL w_;
3014		3124
3015	for (w_ = fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head; w_; )	3125	for (w_ = fs_hash [slot & ((EV_INOTIFY_HASHSIZE) - 1)].head; w_; )
3016	{	3126	{
3017	ev_stat w = (ev_stat )w_;	3127	ev_stat w = (ev_stat )w_;
3018	w_ = w_->next; /* lets us remove this watcher and all before it */	3128	w_ = w_->next; /* lets us remove this watcher and all before it */
3019		3129
3020	if (w->wd == wd \|\| wd == -1)	3130	if (w->wd == wd \|\| wd == -1)
3021	{	3131	{
3022	if (ev->mask & (IN_IGNORED \| IN_UNMOUNT \| IN_DELETE_SELF))	3132	if (ev->mask & (IN_IGNORED \| IN_UNMOUNT \| IN_DELETE_SELF))
3023	{	3133	{
3024	wlist_del (&fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w);	3134	wlist_del (&fs_hash [slot & ((EV_INOTIFY_HASHSIZE) - 1)].head, (WL)w);
3025	w->wd = -1;	3135	w->wd = -1;
3026	infy_add (EV_A_ w); /* re-add, no matter what */	3136	infy_add (EV_A_ w); /* re-add, no matter what */
3027	}	3137	}
3028		3138
3029	stat_timer_cb (EV_A_ &w->timer, 0);	3139	stat_timer_cb (EV_A_ &w->timer, 0);
…		…
3043	{	3153	{
3044	struct inotify_event ev = (struct inotify_event )(buf + ofs);	3154	struct inotify_event ev = (struct inotify_event )(buf + ofs);
3045	infy_wd (EV_A_ ev->wd, ev->wd, ev);	3155	infy_wd (EV_A_ ev->wd, ev->wd, ev);
3046	ofs += sizeof (struct inotify_event) + ev->len;	3156	ofs += sizeof (struct inotify_event) + ev->len;
3047	}	3157	}
3048	}
3049
3050	inline_size unsigned int
3051	ev_linux_version (void)
3052	{
3053	struct utsname buf;
3054	unsigned int v;
3055	int i;
3056	char *p = buf.release;
3057
3058	if (uname (&buf))
3059	return 0;
3060
3061	for (i = 3+1; --i; )
3062	{
3063	unsigned int c = 0;
3064
3065	for (;;)
3066	{
3067	if (p >= '0' && p <= '9')
3068	c = c * 10 + *p++ - '0';
3069	else
3070	{
3071	p += *p == '.';
3072	break;
3073	}
3074	}
3075
3076	v = (v << 8) \| c;
3077	}
3078
3079	return v;
3080	}	3158	}
3081		3159
3082	inline_size void	3160	inline_size void
3083	ev_check_2625 (EV_P)	3161	ev_check_2625 (EV_P)
3084	{	3162	{
…		…
3143	ev_io_set (&fs_w, fs_fd, EV_READ);	3221	ev_io_set (&fs_w, fs_fd, EV_READ);
3144	ev_io_start (EV_A_ &fs_w);	3222	ev_io_start (EV_A_ &fs_w);
3145	ev_unref (EV_A);	3223	ev_unref (EV_A);
3146	}	3224	}
3147		3225
3148	for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot)	3226	for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)
3149	{	3227	{
3150	WL w_ = fs_hash [slot].head;	3228	WL w_ = fs_hash [slot].head;
3151	fs_hash [slot].head = 0;	3229	fs_hash [slot].head = 0;
3152		3230
3153	while (w_)	3231	while (w_)
…		…
3408		3486
3409	#if EV_EMBED_ENABLE	3487	#if EV_EMBED_ENABLE
3410	void noinline	3488	void noinline
3411	ev_embed_sweep (EV_P_ ev_embed *w)	3489	ev_embed_sweep (EV_P_ ev_embed *w)
3412	{	3490	{
3413	ev_loop (w->other, EVLOOP_NONBLOCK);	3491	ev_run (w->other, EVRUN_NOWAIT);
3414	}	3492	}
3415		3493
3416	static void	3494	static void
3417	embed_io_cb (EV_P_ ev_io *io, int revents)	3495	embed_io_cb (EV_P_ ev_io *io, int revents)
3418	{	3496	{
3419	ev_embed w = (ev_embed )(((char *)io) - offsetof (ev_embed, io));	3497	ev_embed w = (ev_embed )(((char *)io) - offsetof (ev_embed, io));
3420		3498
3421	if (ev_cb (w))	3499	if (ev_cb (w))
3422	ev_feed_event (EV_A_ (W)w, EV_EMBED);	3500	ev_feed_event (EV_A_ (W)w, EV_EMBED);
3423	else	3501	else
3424	ev_loop (w->other, EVLOOP_NONBLOCK);	3502	ev_run (w->other, EVRUN_NOWAIT);
3425	}	3503	}
3426		3504
3427	static void	3505	static void
3428	embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents)	3506	embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents)
3429	{	3507	{
…		…
3433	EV_P = w->other;	3511	EV_P = w->other;
3434		3512
3435	while (fdchangecnt)	3513	while (fdchangecnt)
3436	{	3514	{
3437	fd_reify (EV_A);	3515	fd_reify (EV_A);
3438	ev_loop (EV_A_ EVLOOP_NONBLOCK);	3516	ev_run (EV_A_ EVRUN_NOWAIT);
3439	}	3517	}
3440	}	3518	}
3441	}	3519	}
3442		3520
3443	static void	3521	static void
…		…
3449		3527
3450	{	3528	{
3451	EV_P = w->other;	3529	EV_P = w->other;
3452		3530
3453	ev_loop_fork (EV_A);	3531	ev_loop_fork (EV_A);
3454	ev_loop (EV_A_ EVLOOP_NONBLOCK);	3532	ev_run (EV_A_ EVRUN_NOWAIT);
3455	}	3533	}
3456		3534
3457	ev_embed_start (EV_A_ w);	3535	ev_embed_start (EV_A_ w);
3458	}	3536	}
3459		3537
…		…
3551		3629
3552	EV_FREQUENT_CHECK;	3630	EV_FREQUENT_CHECK;
3553	}	3631	}
3554	#endif	3632	#endif
3555		3633
3556	#if EV_ASYNC_ENABLE	3634	#if EV_CLEANUP_ENABLE
3557	void	3635	void
3558	ev_async_start (EV_P_ ev_async *w)	3636	ev_cleanup_start (EV_P_ ev_cleanup *w)
3559	{	3637	{
3560	if (expect_false (ev_is_active (w)))	3638	if (expect_false (ev_is_active (w)))
3561	return;	3639	return;
		3640
		3641	EV_FREQUENT_CHECK;
		3642
		3643	ev_start (EV_A_ (W)w, ++cleanupcnt);
		3644	array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, EMPTY2);
		3645	cleanups [cleanupcnt - 1] = w;
		3646
		3647	/* cleanup watchers should never keep a refcount on the loop */
		3648	ev_unref (EV_A);
		3649	EV_FREQUENT_CHECK;
		3650	}
		3651
		3652	void
		3653	ev_cleanup_stop (EV_P_ ev_cleanup *w)
		3654	{
		3655	clear_pending (EV_A_ (W)w);
		3656	if (expect_false (!ev_is_active (w)))
		3657	return;
		3658
		3659	EV_FREQUENT_CHECK;
		3660	ev_ref (EV_A);
		3661
		3662	{
		3663	int active = ev_active (w);
		3664
		3665	cleanups [active - 1] = cleanups [--cleanupcnt];
		3666	ev_active (cleanups [active - 1]) = active;
		3667	}
		3668
		3669	ev_stop (EV_A_ (W)w);
		3670
		3671	EV_FREQUENT_CHECK;
		3672	}
		3673	#endif
		3674
		3675	#if EV_ASYNC_ENABLE
		3676	void
		3677	ev_async_start (EV_P_ ev_async *w)
		3678	{
		3679	if (expect_false (ev_is_active (w)))
		3680	return;
		3681
		3682	w->sent = 0;
3562		3683
3563	evpipe_init (EV_A);	3684	evpipe_init (EV_A);
3564		3685
3565	EV_FREQUENT_CHECK;	3686	EV_FREQUENT_CHECK;
3566		3687
…		…
3644	{	3765	{
3645	struct ev_once once = (struct ev_once )ev_malloc (sizeof (struct ev_once));	3766	struct ev_once once = (struct ev_once )ev_malloc (sizeof (struct ev_once));
3646		3767
3647	if (expect_false (!once))	3768	if (expect_false (!once))
3648	{	3769	{
3649	cb (EV_ERROR \| EV_READ \| EV_WRITE \| EV_TIMEOUT, arg);	3770	cb (EV_ERROR \| EV_READ \| EV_WRITE \| EV_TIMER, arg);
3650	return;	3771	return;
3651	}	3772	}
3652		3773
3653	once->cb = cb;	3774	once->cb = cb;
3654	once->arg = arg;	3775	once->arg = arg;
…		…
3769	}	3890	}
3770	#endif	3891	#endif
3771		3892
3772	#if EV_CHILD_ENABLE	3893	#if EV_CHILD_ENABLE
3773	if (types & EV_CHILD)	3894	if (types & EV_CHILD)
3774	for (i = EV_PID_HASHSIZE; i--; )	3895	for (i = (EV_PID_HASHSIZE); i--; )
3775	for (wl = childs [i]; wl; )	3896	for (wl = childs [i]; wl; )
3776	{	3897	{
3777	wn = wl->next;	3898	wn = wl->next;
3778	cb (EV_A_ EV_CHILD, wl);	3899	cb (EV_A_ EV_CHILD, wl);
3779	wl = wn;	3900	wl = wn;
…		…
3786		3907
3787	#if EV_MULTIPLICITY	3908	#if EV_MULTIPLICITY
3788	#include "ev_wrap.h"	3909	#include "ev_wrap.h"
3789	#endif	3910	#endif
3790		3911
3791	#ifdef __cplusplus	3912	EV_CPP(})
3792	}
3793	#endif
3794		3913

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Comparing libev/ev.c (file contents): Revision 1.337 by root, Wed Mar 10 09:18:24 2010 UTC vs. Revision 1.371 by root, Mon Feb 7 21:45:32 2011 UTC

Diff Legend

Comparing libev/ev.c (file contents):
Revision 1.337 by root, Wed Mar 10 09:18:24 2010 UTC vs.
Revision 1.371 by root, Mon Feb 7 21:45:32 2011 UTC