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

Comparing libev/ev.c (file contents):
Revision 1.332 by root, Tue Mar 9 08:58:17 2010 UTC vs.
Revision 1.372 by root, Wed Feb 16 08:02:50 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	*
10	* 1. Redistributions of source code must retain the above copyright notice,	10	* 1. Redistributions of source code must retain the above copyright notice,
11	* this list of conditions and the following disclaimer.	11	* this list of conditions and the following disclaimer.
12	*	12	*
13	* 2. Redistributions in binary form must reproduce the above copyright	13	* 2. Redistributions in binary form must reproduce the above copyright
14	* notice, this list of conditions and the following disclaimer in the	14	* notice, this list of conditions and the following disclaimer in the
15	* documentation and/or other materials provided with the distribution.	15	* documentation and/or other materials provided with the distribution.
16	*	16	*
17	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED	17	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
18	* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER-	18	* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER-
19	* CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO	19	* CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
20	* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE-	20	* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE-
21	* CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,	21	* CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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)
…		…
207	#elif defined (MAXSIG)	222	#elif defined (MAXSIG)
208	# define EV_NSIG (MAXSIG+1)	223	# define EV_NSIG (MAXSIG+1)
209	#elif defined (MAX_SIG)	224	#elif defined (MAX_SIG)
210	# define EV_NSIG (MAX_SIG+1)	225	# define EV_NSIG (MAX_SIG+1)
211	#elif defined (SIGARRAYSIZE)	226	#elif defined (SIGARRAYSIZE)
212	# define EV_NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */	227	# define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */
213	#elif defined (_sys_nsig)	228	#elif defined (_sys_nsig)
214	# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */	229	# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */
215	#else	230	#else
216	# error "unable to find value for NSIG, please report"	231	# error "unable to find value for NSIG, please report"
217	/* to make it compile regardless, just remove the above line */	232	/* to make it compile regardless, just remove the above line, */
		233	/* but consider reporting it, too! :) */
218	# define EV_NSIG 65	234	# define EV_NSIG 65
219	#endif	235	#endif
220		236
221	#ifndef EV_USE_CLOCK_SYSCALL	237	#ifndef EV_USE_CLOCK_SYSCALL
222	# if __linux && __GLIBC__ >= 2	238	# if __linux && __GLIBC__ >= 2
223	# define EV_USE_CLOCK_SYSCALL 1	239	# define EV_USE_CLOCK_SYSCALL EV_FEATURE_OS
224	# else	240	# else
225	# define EV_USE_CLOCK_SYSCALL 0	241	# define EV_USE_CLOCK_SYSCALL 0
226	# endif	242	# endif
227	#endif	243	#endif
228		244
229	#ifndef EV_USE_MONOTONIC	245	#ifndef EV_USE_MONOTONIC
230	# if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0	246	# if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0
231	# define EV_USE_MONOTONIC 1	247	# define EV_USE_MONOTONIC EV_FEATURE_OS
232	# else	248	# else
233	# define EV_USE_MONOTONIC 0	249	# define EV_USE_MONOTONIC 0
234	# endif	250	# endif
235	#endif	251	#endif
236		252
…		…
238	# define EV_USE_REALTIME !EV_USE_CLOCK_SYSCALL	254	# define EV_USE_REALTIME !EV_USE_CLOCK_SYSCALL
239	#endif	255	#endif
240		256
241	#ifndef EV_USE_NANOSLEEP	257	#ifndef EV_USE_NANOSLEEP
242	# if _POSIX_C_SOURCE >= 199309L	258	# if _POSIX_C_SOURCE >= 199309L
243	# define EV_USE_NANOSLEEP 1	259	# define EV_USE_NANOSLEEP EV_FEATURE_OS
244	# else	260	# else
245	# define EV_USE_NANOSLEEP 0	261	# define EV_USE_NANOSLEEP 0
246	# endif	262	# endif
247	#endif	263	#endif
248		264
249	#ifndef EV_USE_SELECT	265	#ifndef EV_USE_SELECT
250	# define EV_USE_SELECT 1	266	# define EV_USE_SELECT EV_FEATURE_BACKENDS
251	#endif	267	#endif
252		268
253	#ifndef EV_USE_POLL	269	#ifndef EV_USE_POLL
254	# ifdef _WIN32	270	# ifdef _WIN32
255	# define EV_USE_POLL 0	271	# define EV_USE_POLL 0
256	# else	272	# else
257	# define EV_USE_POLL 1	273	# define EV_USE_POLL EV_FEATURE_BACKENDS
258	# endif	274	# endif
259	#endif	275	#endif
260		276
261	#ifndef EV_USE_EPOLL	277	#ifndef EV_USE_EPOLL
262	# if __linux && (__GLIBC__ > 2 \|\| (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))	278	# if __linux && (__GLIBC__ > 2 \|\| (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))
263	# define EV_USE_EPOLL 1	279	# define EV_USE_EPOLL EV_FEATURE_BACKENDS
264	# else	280	# else
265	# define EV_USE_EPOLL 0	281	# define EV_USE_EPOLL 0
266	# endif	282	# endif
267	#endif	283	#endif
268		284
…		…
274	# define EV_USE_PORT 0	290	# define EV_USE_PORT 0
275	#endif	291	#endif
276		292
277	#ifndef EV_USE_INOTIFY	293	#ifndef EV_USE_INOTIFY
278	# if __linux && (__GLIBC__ > 2 \|\| (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))	294	# if __linux && (__GLIBC__ > 2 \|\| (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))
279	# define EV_USE_INOTIFY 1	295	# define EV_USE_INOTIFY EV_FEATURE_OS
280	# else	296	# else
281	# define EV_USE_INOTIFY 0	297	# define EV_USE_INOTIFY 0
282	# endif	298	# endif
283	#endif	299	#endif
284		300
285	#ifndef EV_PID_HASHSIZE	301	#ifndef EV_PID_HASHSIZE
286	# if EV_MINIMAL	302	# define EV_PID_HASHSIZE EV_FEATURE_DATA ? 16 : 1
287	# define EV_PID_HASHSIZE 1
288	# else
289	# define EV_PID_HASHSIZE 16
290	# endif
291	#endif	303	#endif
292		304
293	#ifndef EV_INOTIFY_HASHSIZE	305	#ifndef EV_INOTIFY_HASHSIZE
294	# if EV_MINIMAL	306	# define EV_INOTIFY_HASHSIZE EV_FEATURE_DATA ? 16 : 1
295	# define EV_INOTIFY_HASHSIZE 1
296	# else
297	# define EV_INOTIFY_HASHSIZE 16
298	# endif
299	#endif	307	#endif
300		308
301	#ifndef EV_USE_EVENTFD	309	#ifndef EV_USE_EVENTFD
302	# if __linux && (__GLIBC__ > 2 \|\| (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7))	310	# if __linux && (__GLIBC__ > 2 \|\| (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7))
303	# define EV_USE_EVENTFD 1	311	# define EV_USE_EVENTFD EV_FEATURE_OS
304	# else	312	# else
305	# define EV_USE_EVENTFD 0	313	# define EV_USE_EVENTFD 0
306	# endif	314	# endif
307	#endif	315	#endif
308		316
309	#ifndef EV_USE_SIGNALFD	317	#ifndef EV_USE_SIGNALFD
310	# if __linux && (__GLIBC__ > 2 \|\| (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7))	318	# if __linux && (__GLIBC__ > 2 \|\| (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7))
311	# define EV_USE_SIGNALFD 1	319	# define EV_USE_SIGNALFD EV_FEATURE_OS
312	# else	320	# else
313	# define EV_USE_SIGNALFD 0	321	# define EV_USE_SIGNALFD 0
314	# endif	322	# endif
315	#endif	323	#endif
316		324
…		…
319	# define EV_USE_4HEAP 1	327	# define EV_USE_4HEAP 1
320	# define EV_HEAP_CACHE_AT 1	328	# define EV_HEAP_CACHE_AT 1
321	#endif	329	#endif
322		330
323	#ifndef EV_VERIFY	331	#ifndef EV_VERIFY
324	# define EV_VERIFY !EV_MINIMAL	332	# define EV_VERIFY (EV_FEATURE_API ? 1 : 0)
325	#endif	333	#endif
326		334
327	#ifndef EV_USE_4HEAP	335	#ifndef EV_USE_4HEAP
328	# define EV_USE_4HEAP !EV_MINIMAL	336	# define EV_USE_4HEAP EV_FEATURE_DATA
329	#endif	337	#endif
330		338
331	#ifndef EV_HEAP_CACHE_AT	339	#ifndef EV_HEAP_CACHE_AT
332	# define EV_HEAP_CACHE_AT !EV_MINIMAL	340	# define EV_HEAP_CACHE_AT EV_FEATURE_DATA
333	#endif	341	#endif
334		342
335	/* 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, */
336	/* which makes programs even slower. might work on other unices, too. */	344	/* which makes programs even slower. might work on other unices, too. */
337	#if EV_USE_CLOCK_SYSCALL	345	#if EV_USE_CLOCK_SYSCALL
…		…
368	# undef EV_USE_INOTIFY	376	# undef EV_USE_INOTIFY
369	# define EV_USE_INOTIFY 0	377	# define EV_USE_INOTIFY 0
370	#endif	378	#endif
371		379
372	#if !EV_USE_NANOSLEEP	380	#if !EV_USE_NANOSLEEP
373	# ifndef _WIN32	381	/* hp-ux has it in sys/time.h, which we unconditionally include above */
		382	# if !defined(_WIN32) && !defined(__hpux)
374	# include <sys/select.h>	383	# include <sys/select.h>
375	# endif	384	# endif
376	#endif	385	#endif
377		386
378	#if EV_USE_INOTIFY	387	#if EV_USE_INOTIFY
379	# include <sys/utsname.h>
380	# include <sys/statfs.h>	388	# include <sys/statfs.h>
381	# include <sys/inotify.h>	389	# include <sys/inotify.h>
382	/* 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 */
383	# ifndef IN_DONT_FOLLOW	391	# ifndef IN_DONT_FOLLOW
384	# undef EV_USE_INOTIFY	392	# undef EV_USE_INOTIFY
…		…
401	# define EFD_CLOEXEC O_CLOEXEC	409	# define EFD_CLOEXEC O_CLOEXEC
402	# else	410	# else
403	# define EFD_CLOEXEC 02000000	411	# define EFD_CLOEXEC 02000000
404	# endif	412	# endif
405	# endif	413	# endif
406	# ifdef __cplusplus
407	extern "C" {
408	# endif
409	int (eventfd) (unsigned int initval, int flags);	414	EV_CPP(extern "C") int (eventfd) (unsigned int initval, int flags);
410	# ifdef __cplusplus
411	}
412	# endif
413	#endif	415	#endif
414		416
415	#if EV_USE_SIGNALFD	417	#if EV_USE_SIGNALFD
416	/* 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 */
417	# include <stdint.h>	419	# include <stdint.h>
…		…
423	# define SFD_CLOEXEC O_CLOEXEC	425	# define SFD_CLOEXEC O_CLOEXEC
424	# else	426	# else
425	# define SFD_CLOEXEC 02000000	427	# define SFD_CLOEXEC 02000000
426	# endif	428	# endif
427	# endif	429	# endif
428	# ifdef __cplusplus
429	extern "C" {
430	# endif
431	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);
432		431
433	struct signalfd_siginfo	432	struct signalfd_siginfo
434	{	433	{
435	uint32_t ssi_signo;	434	uint32_t ssi_signo;
436	char pad[128 - sizeof (uint32_t)];	435	char pad[128 - sizeof (uint32_t)];
437	};	436	};
438	# ifdef __cplusplus
439	}
440	# endif	437	#endif
441	#endif
442
443		438
444	/**/	439	/**/
445		440
446	#if EV_VERIFY >= 3	441	#if EV_VERIFY >= 3
447	# define EV_FREQUENT_CHECK ev_loop_verify (EV_A)	442	# define EV_FREQUENT_CHECK ev_verify (EV_A)
448	#else	443	#else
449	# define EV_FREQUENT_CHECK do { } while (0)	444	# define EV_FREQUENT_CHECK do { } while (0)
450	#endif	445	#endif
451		446
452	/*	447	/*
…		…
460	#define TIME_EPSILON 0.0001220703125 /* 1/8192 */	455	#define TIME_EPSILON 0.0001220703125 /* 1/8192 */
461		456
462	#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) */
463	#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) */
464		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
465	#if __GNUC__ >= 4	463	#if __GNUC__ >= 4
466	# define expect(expr,value) __builtin_expect ((expr),(value))	464	# define expect(expr,value) __builtin_expect ((expr),(value))
467	# define noinline __attribute__ ((noinline))	465	# define noinline __attribute__ ((noinline))
468	#else	466	#else
469	# define expect(expr,value) (expr)	467	# define expect(expr,value) (expr)
…		…
475		473
476	#define expect_false(expr) expect ((expr) != 0, 0)	474	#define expect_false(expr) expect ((expr) != 0, 0)
477	#define expect_true(expr) expect ((expr) != 0, 1)	475	#define expect_true(expr) expect ((expr) != 0, 1)
478	#define inline_size static inline	476	#define inline_size static inline
479		477
480	#if EV_MINIMAL	478	#if EV_FEATURE_CODE
		479	# define inline_speed static inline
		480	#else
481	# define inline_speed static noinline	481	# define inline_speed static noinline
482	#else
483	# define inline_speed static inline
484	#endif	482	#endif
485		483
486	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)	484	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
487		485
488	#if EV_MINPRI == EV_MAXPRI	486	#if EV_MINPRI == EV_MAXPRI
…		…
501	#define ev_active(w) ((W)(w))->active	499	#define ev_active(w) ((W)(w))->active
502	#define ev_at(w) ((WT)(w))->at	500	#define ev_at(w) ((WT)(w))->at
503		501
504	#if EV_USE_REALTIME	502	#if EV_USE_REALTIME
505	/* 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 */
506	/* giving it a reasonably high chance of working on typical architetcures */	504	/* giving it a reasonably high chance of working on typical architectures */
507	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? */
508	#endif	506	#endif
509		507
510	#if EV_USE_MONOTONIC	508	#if EV_USE_MONOTONIC
511	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? */
…		…
522	#endif	520	#endif
523		521
524	#ifdef _WIN32	522	#ifdef _WIN32
525	# include "ev_win32.c"	523	# include "ev_win32.c"
526	#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	}
527		567
528	/*****************************************************************************/	568	/*****************************************************************************/
529		569
530	#if EV_AVOID_STDIO	570	#if EV_AVOID_STDIO
531	static void noinline	571	static void noinline
…		…
552	if (syserr_cb)	592	if (syserr_cb)
553	syserr_cb (msg);	593	syserr_cb (msg);
554	else	594	else
555	{	595	{
556	#if EV_AVOID_STDIO	596	#if EV_AVOID_STDIO
557	const char *err = strerror (errno);
558
559	ev_printerr (msg);	597	ev_printerr (msg);
560	ev_printerr (": ");	598	ev_printerr (": ");
561	ev_printerr (err);	599	ev_printerr (strerror (errno));
562	ev_printerr ("\n");	600	ev_printerr ("\n");
563	#else	601	#else
564	perror (msg);	602	perror (msg);
565	#endif	603	#endif
566	abort ();	604	abort ();
…		…
568	}	606	}
569		607
570	static void *	608	static void *
571	ev_realloc_emul (void *ptr, long size)	609	ev_realloc_emul (void *ptr, long size)
572	{	610	{
		611	#if __GLIBC__
		612	return realloc (ptr, size);
		613	#else
573	/* some systems, notably openbsd and darwin, fail to properly	614	/* some systems, notably openbsd and darwin, fail to properly
574	* implement realloc (x, 0) (as required by both ansi c-98 and	615	* implement realloc (x, 0) (as required by both ansi c-89 and
575	* the single unix specification, so work around them here.	616	* the single unix specification, so work around them here.
576	*/	617	*/
		618
577	if (size)	619	if (size)
578	return realloc (ptr, size);	620	return realloc (ptr, size);
579		621
580	free (ptr);	622	free (ptr);
581	return 0;	623	return 0;
		624	#endif
582	}	625	}
583		626
584	static void (alloc)(void *ptr, long size) = ev_realloc_emul;	627	static void (alloc)(void *ptr, long size) = ev_realloc_emul;
585		628
586	void	629	void
…		…
595	ptr = alloc (ptr, size);	638	ptr = alloc (ptr, size);
596		639
597	if (!ptr && size)	640	if (!ptr && size)
598	{	641	{
599	#if EV_AVOID_STDIO	642	#if EV_AVOID_STDIO
600	ev_printerr ("libev: memory allocation failed, aborting.\n");	643	ev_printerr ("(libev) memory allocation failed, aborting.\n");
601	#else	644	#else
602	fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size);	645	fprintf (stderr, "(libev) cannot allocate %ld bytes, aborting.", size);
603	#endif	646	#endif
604	abort ();	647	abort ();
605	}	648	}
606		649
607	return ptr;	650	return ptr;
…		…
624	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 */
625	unsigned char unused;	668	unsigned char unused;
626	#if EV_USE_EPOLL	669	#if EV_USE_EPOLL
627	unsigned int egen; /* generation counter to counter epoll bugs */	670	unsigned int egen; /* generation counter to counter epoll bugs */
628	#endif	671	#endif
629	#if EV_SELECT_IS_WINSOCKET	672	#if EV_SELECT_IS_WINSOCKET \|\| EV_USE_IOCP
630	SOCKET handle;	673	SOCKET handle;
		674	#endif
		675	#if EV_USE_IOCP
		676	OVERLAPPED or, ow;
631	#endif	677	#endif
632	} ANFD;	678	} ANFD;
633		679
634	/* stores the pending event set for a given watcher */	680	/* stores the pending event set for a given watcher */
635	typedef struct	681	typedef struct
…		…
690		736
691	static int ev_default_loop_ptr;	737	static int ev_default_loop_ptr;
692		738
693	#endif	739	#endif
694		740
695	#if EV_MINIMAL < 2	741	#if EV_FEATURE_API
696	# 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)
697	# 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)
698	# define EV_INVOKE_PENDING invoke_cb (EV_A)	744	# define EV_INVOKE_PENDING invoke_cb (EV_A)
699	#else	745	#else
700	# define EV_RELEASE_CB (void)0	746	# define EV_RELEASE_CB (void)0
701	# define EV_ACQUIRE_CB (void)0	747	# define EV_ACQUIRE_CB (void)0
702	# define EV_INVOKE_PENDING ev_invoke_pending (EV_A)	748	# define EV_INVOKE_PENDING ev_invoke_pending (EV_A)
703	#endif	749	#endif
704		750
705	#define EVUNLOOP_RECURSE 0x80	751	#define EVBREAK_RECURSE 0x80
706		752
707	/*****************************************************************************/	753	/*****************************************************************************/
708		754
709	#ifndef EV_HAVE_EV_TIME	755	#ifndef EV_HAVE_EV_TIME
710	ev_tstamp	756	ev_tstamp
…		…
754	if (delay > 0.)	800	if (delay > 0.)
755	{	801	{
756	#if EV_USE_NANOSLEEP	802	#if EV_USE_NANOSLEEP
757	struct timespec ts;	803	struct timespec ts;
758		804
759	ts.tv_sec = (time_t)delay;	805	EV_TS_SET (ts, delay);
760	ts.tv_nsec = (long)((delay - (ev_tstamp)(ts.tv_sec)) * 1e9);
761
762	nanosleep (&ts, 0);	806	nanosleep (&ts, 0);
763	#elif defined(_WIN32)	807	#elif defined(_WIN32)
764	Sleep ((unsigned long)(delay * 1e3));	808	Sleep ((unsigned long)(delay * 1e3));
765	#else	809	#else
766	struct timeval tv;	810	struct timeval tv;
767		811
768	tv.tv_sec = (time_t)delay;
769	tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6);
770
771	/* 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 */
772	/* something not guaranteed by newer posix versions, but guaranteed */	813	/* something not guaranteed by newer posix versions, but guaranteed */
773	/* by older ones */	814	/* by older ones */
		815	EV_TV_SET (tv, delay);
774	select (0, 0, 0, 0, &tv);	816	select (0, 0, 0, 0, &tv);
775	#endif	817	#endif
776	}	818	}
777	}	819	}
778		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
779	/*****************************************************************************/	829	/*****************************************************************************/
780		830
781	#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 /
782		832
783	/* find a suitable new size for the given array, */	833	/* find a suitable new size for the given array, */
784	/* hopefully by rounding to a ncie-to-malloc size */	834	/* hopefully by rounding to a nice-to-malloc size */
785	inline_size int	835	inline_size int
786	array_nextsize (int elem, int cur, int cnt)	836	array_nextsize (int elem, int cur, int cnt)
787	{	837	{
788	int ncur = cur + 1;	838	int ncur = cur + 1;
789		839
…		…
885	}	935	}
886		936
887	/*****************************************************************************/	937	/*****************************************************************************/
888		938
889	inline_speed void	939	inline_speed void
890	fd_event_nc (EV_P_ int fd, int revents)	940	fd_event_nocheck (EV_P_ int fd, int revents)
891	{	941	{
892	ANFD *anfd = anfds + fd;	942	ANFD *anfd = anfds + fd;
893	ev_io *w;	943	ev_io *w;
894		944
895	for (w = (ev_io )anfd->head; w; w = (ev_io )((WL)w)->next)	945	for (w = (ev_io )anfd->head; w; w = (ev_io )((WL)w)->next)
…		…
907	fd_event (EV_P_ int fd, int revents)	957	fd_event (EV_P_ int fd, int revents)
908	{	958	{
909	ANFD *anfd = anfds + fd;	959	ANFD *anfd = anfds + fd;
910		960
911	if (expect_true (!anfd->reify))	961	if (expect_true (!anfd->reify))
912	fd_event_nc (EV_A_ fd, revents);	962	fd_event_nocheck (EV_A_ fd, revents);
913	}	963	}
914		964
915	void	965	void
916	ev_feed_fd_event (EV_P_ int fd, int revents)	966	ev_feed_fd_event (EV_P_ int fd, int revents)
917	{	967	{
918	if (fd >= 0 && fd < anfdmax)	968	if (fd >= 0 && fd < anfdmax)
919	fd_event_nc (EV_A_ fd, revents);	969	fd_event_nocheck (EV_A_ fd, revents);
920	}	970	}
921		971
922	/* make sure the external fd watch events are in-sync */	972	/* make sure the external fd watch events are in-sync */
923	/* with the kernel/libev internal state */	973	/* with the kernel/libev internal state */
924	inline_size void	974	inline_size void
925	fd_reify (EV_P)	975	fd_reify (EV_P)
926	{	976	{
927	int i;	977	int i;
928		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
929	for (i = 0; i < fdchangecnt; ++i)	1004	for (i = 0; i < fdchangecnt; ++i)
930	{	1005	{
931	int fd = fdchanges [i];	1006	int fd = fdchanges [i];
932	ANFD *anfd = anfds + fd;	1007	ANFD *anfd = anfds + fd;
933	ev_io *w;	1008	ev_io *w;
934		1009
935	unsigned char events = 0;	1010	unsigned char o_events = anfd->events;
		1011	unsigned char o_reify = anfd->reify;
936		1012
937	for (w = (ev_io )anfd->head; w; w = (ev_io )((WL)w)->next)	1013	anfd->reify = 0;
938	events \|= (unsigned char)w->events;
939		1014
940	#if EV_SELECT_IS_WINSOCKET	1015	/if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation /
941	if (events)
942	{	1016	{
943	unsigned long arg;	1017	anfd->events = 0;
944	anfd->handle = EV_FD_TO_WIN32_HANDLE (fd);	1018
945	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 \|= */
946	}	1024	}
947	#endif
948		1025
949	{	1026	if (o_reify & EV__IOFDSET)
950	unsigned char o_events = anfd->events;
951	unsigned char o_reify = anfd->reify;
952
953	anfd->reify = 0;
954	anfd->events = events;
955
956	if (o_events != events \|\| o_reify & EV__IOFDSET)
957	backend_modify (EV_A_ fd, o_events, events);	1027	backend_modify (EV_A_ fd, o_events, anfd->events);
958	}
959	}	1028	}
960		1029
961	fdchangecnt = 0;	1030	fdchangecnt = 0;
962	}	1031	}
963		1032
…		…
987	ev_io_stop (EV_A_ w);	1056	ev_io_stop (EV_A_ w);
988	ev_feed_event (EV_A_ (W)w, EV_ERROR \| EV_READ \| EV_WRITE);	1057	ev_feed_event (EV_A_ (W)w, EV_ERROR \| EV_READ \| EV_WRITE);
989	}	1058	}
990	}	1059	}
991		1060
992	/* check whether the given fd is atcually valid, for error recovery */	1061	/* check whether the given fd is actually valid, for error recovery */
993	inline_size int	1062	inline_size int
994	fd_valid (int fd)	1063	fd_valid (int fd)
995	{	1064	{
996	#ifdef _WIN32	1065	#ifdef _WIN32
997	return EV_FD_TO_WIN32_HANDLE (fd) != -1;	1066	return EV_FD_TO_WIN32_HANDLE (fd) != -1;
…		…
1039	anfds [fd].emask = 0;	1108	anfds [fd].emask = 0;
1040	fd_change (EV_A_ fd, EV__IOFDSET \| EV_ANFD_REIFY);	1109	fd_change (EV_A_ fd, EV__IOFDSET \| EV_ANFD_REIFY);
1041	}	1110	}
1042	}	1111	}
1043		1112
		1113	/* used to prepare libev internal fd's */
		1114	/* this is not fork-safe */
		1115	inline_speed void
		1116	fd_intern (int fd)
		1117	{
		1118	#ifdef _WIN32
		1119	unsigned long arg = 1;
		1120	ioctlsocket (EV_FD_TO_WIN32_HANDLE (fd), FIONBIO, &arg);
		1121	#else
		1122	fcntl (fd, F_SETFD, FD_CLOEXEC);
		1123	fcntl (fd, F_SETFL, O_NONBLOCK);
		1124	#endif
		1125	}
		1126
1044	/*****************************************************************************/	1127	/*****************************************************************************/
1045		1128
1046	/*	1129	/*
1047	* 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
1048	* 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
1049	* the branching factor of the d-tree.	1132	* the branching factor of the d-tree.
1050	*/	1133	*/
1051		1134
1052	/*	1135	/*
…		…
1200		1283
1201	static ANSIG signals [EV_NSIG - 1];	1284	static ANSIG signals [EV_NSIG - 1];
1202		1285
1203	/*****************************************************************************/	1286	/*****************************************************************************/
1204		1287
1205	/* used to prepare libev internal fd's */	1288	#if EV_SIGNAL_ENABLE \|\| EV_ASYNC_ENABLE
1206	/* this is not fork-safe */
1207	inline_speed void
1208	fd_intern (int fd)
1209	{
1210	#ifdef _WIN32
1211	unsigned long arg = 1;
1212	ioctlsocket (EV_FD_TO_WIN32_HANDLE (fd), FIONBIO, &arg);
1213	#else
1214	fcntl (fd, F_SETFD, FD_CLOEXEC);
1215	fcntl (fd, F_SETFL, O_NONBLOCK);
1216	#endif
1217	}
1218		1289
1219	static void noinline	1290	static void noinline
1220	evpipe_init (EV_P)	1291	evpipe_init (EV_P)
1221	{	1292	{
1222	if (!ev_is_active (&pipe_w))	1293	if (!ev_is_active (&pipe_w))
1223	{	1294	{
1224	#if EV_USE_EVENTFD	1295	# if EV_USE_EVENTFD
1225	evfd = eventfd (0, EFD_NONBLOCK \| EFD_CLOEXEC);	1296	evfd = eventfd (0, EFD_NONBLOCK \| EFD_CLOEXEC);
1226	if (evfd < 0 && errno == EINVAL)	1297	if (evfd < 0 && errno == EINVAL)
1227	evfd = eventfd (0, 0);	1298	evfd = eventfd (0, 0);
1228		1299
1229	if (evfd >= 0)	1300	if (evfd >= 0)
…		…
1231	evpipe [0] = -1;	1302	evpipe [0] = -1;
1232	fd_intern (evfd); /* doing it twice doesn't hurt */	1303	fd_intern (evfd); /* doing it twice doesn't hurt */
1233	ev_io_set (&pipe_w, evfd, EV_READ);	1304	ev_io_set (&pipe_w, evfd, EV_READ);
1234	}	1305	}
1235	else	1306	else
1236	#endif	1307	# endif
1237	{	1308	{
1238	while (pipe (evpipe))	1309	while (pipe (evpipe))
1239	ev_syserr ("(libev) error creating signal/async pipe");	1310	ev_syserr ("(libev) error creating signal/async pipe");
1240		1311
1241	fd_intern (evpipe [0]);	1312	fd_intern (evpipe [0]);
…		…
1252	evpipe_write (EV_P_ EV_ATOMIC_T *flag)	1323	evpipe_write (EV_P_ EV_ATOMIC_T *flag)
1253	{	1324	{
1254	if (!*flag)	1325	if (!*flag)
1255	{	1326	{
1256	int old_errno = errno; /* save errno because write might clobber it */	1327	int old_errno = errno; /* save errno because write might clobber it */
		1328	char dummy;
1257		1329
1258	*flag = 1;	1330	*flag = 1;
1259		1331
1260	#if EV_USE_EVENTFD	1332	#if EV_USE_EVENTFD
1261	if (evfd >= 0)	1333	if (evfd >= 0)
…		…
1263	uint64_t counter = 1;	1335	uint64_t counter = 1;
1264	write (evfd, &counter, sizeof (uint64_t));	1336	write (evfd, &counter, sizeof (uint64_t));
1265	}	1337	}
1266	else	1338	else
1267	#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. */
1268	write (evpipe [1], &old_errno, 1);	1345	write (evpipe [1], &dummy, 1);
1269		1346
1270	errno = old_errno;	1347	errno = old_errno;
1271	}	1348	}
1272	}	1349	}
1273		1350
…		…
1286	}	1363	}
1287	else	1364	else
1288	#endif	1365	#endif
1289	{	1366	{
1290	char dummy;	1367	char dummy;
		1368	/* see discussion in evpipe_write when you think this read should be recv in win32 */
1291	read (evpipe [0], &dummy, 1);	1369	read (evpipe [0], &dummy, 1);
1292	}	1370	}
1293		1371
		1372	#if EV_SIGNAL_ENABLE
1294	if (sig_pending)	1373	if (sig_pending)
1295	{	1374	{
1296	sig_pending = 0;	1375	sig_pending = 0;
1297		1376
1298	for (i = EV_NSIG - 1; i--; )	1377	for (i = EV_NSIG - 1; i--; )
1299	if (expect_false (signals [i].pending))	1378	if (expect_false (signals [i].pending))
1300	ev_feed_signal_event (EV_A_ i + 1);	1379	ev_feed_signal_event (EV_A_ i + 1);
1301	}	1380	}
		1381	#endif
1302		1382
1303	#if EV_ASYNC_ENABLE	1383	#if EV_ASYNC_ENABLE
1304	if (async_pending)	1384	if (async_pending)
1305	{	1385	{
1306	async_pending = 0;	1386	async_pending = 0;
…		…
1315	#endif	1395	#endif
1316	}	1396	}
1317		1397
1318	/*****************************************************************************/	1398	/*****************************************************************************/
1319		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
1320	static void	1414	static void
1321	ev_sighandler (int signum)	1415	ev_sighandler (int signum)
1322	{	1416	{
1323	#if EV_MULTIPLICITY
1324	EV_P = signals [signum - 1].loop;
1325	#endif
1326
1327	#ifdef _WIN32	1417	#ifdef _WIN32
1328	signal (signum, ev_sighandler);	1418	signal (signum, ev_sighandler);
1329	#endif	1419	#endif
1330		1420
1331	signals [signum - 1].pending = 1;	1421	ev_feed_signal (signum);
1332	evpipe_write (EV_A_ &sig_pending);
1333	}	1422	}
1334		1423
1335	void noinline	1424	void noinline
1336	ev_feed_signal_event (EV_P_ int signum)	1425	ev_feed_signal_event (EV_P_ int signum)
1337	{	1426	{
…		…
1374	break;	1463	break;
1375	}	1464	}
1376	}	1465	}
1377	#endif	1466	#endif
1378		1467
		1468	#endif
		1469
1379	/*****************************************************************************/	1470	/*****************************************************************************/
1380		1471
		1472	#if EV_CHILD_ENABLE
1381	static WL childs [EV_PID_HASHSIZE];	1473	static WL childs [EV_PID_HASHSIZE];
1382
1383	#ifndef _WIN32
1384		1474
1385	static ev_signal childev;	1475	static ev_signal childev;
1386		1476
1387	#ifndef WIFCONTINUED	1477	#ifndef WIFCONTINUED
1388	# define WIFCONTINUED(status) 0	1478	# define WIFCONTINUED(status) 0
…		…
1393	child_reap (EV_P_ int chain, int pid, int status)	1483	child_reap (EV_P_ int chain, int pid, int status)
1394	{	1484	{
1395	ev_child *w;	1485	ev_child *w;
1396	int traced = WIFSTOPPED (status) \|\| WIFCONTINUED (status);	1486	int traced = WIFSTOPPED (status) \|\| WIFCONTINUED (status);
1397		1487
1398	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)
1399	{	1489	{
1400	if ((w->pid == pid \|\| !w->pid)	1490	if ((w->pid == pid \|\| !w->pid)
1401	&& (!traced \|\| (w->flags & 1)))	1491	&& (!traced \|\| (w->flags & 1)))
1402	{	1492	{
1403	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 */
…		…
1428	/* 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 */
1429	/* 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 */
1430	ev_feed_event (EV_A_ (W)sw, EV_SIGNAL);	1520	ev_feed_event (EV_A_ (W)sw, EV_SIGNAL);
1431		1521
1432	child_reap (EV_A_ pid, pid, status);	1522	child_reap (EV_A_ pid, pid, status);
1433	if (EV_PID_HASHSIZE > 1)	1523	if ((EV_PID_HASHSIZE) > 1)
1434	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 */
1435	}	1525	}
1436		1526
1437	#endif	1527	#endif
1438		1528
1439	/*****************************************************************************/	1529	/*****************************************************************************/
1440		1530
		1531	#if EV_USE_IOCP
		1532	# include "ev_iocp.c"
		1533	#endif
1441	#if EV_USE_PORT	1534	#if EV_USE_PORT
1442	# include "ev_port.c"	1535	# include "ev_port.c"
1443	#endif	1536	#endif
1444	#if EV_USE_KQUEUE	1537	#if EV_USE_KQUEUE
1445	# include "ev_kqueue.c"	1538	# include "ev_kqueue.c"
…		…
1505	#ifdef __APPLE__	1598	#ifdef __APPLE__
1506	/* only select works correctly on that "unix-certified" platform */	1599	/* only select works correctly on that "unix-certified" platform */
1507	flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */	1600	flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */
1508	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 */
1509	#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
1510		1606
1511	return flags;	1607	return flags;
1512	}	1608	}
1513		1609
1514	unsigned int	1610	unsigned int
1515	ev_embeddable_backends (void)	1611	ev_embeddable_backends (void)
1516	{	1612	{
1517	int flags = EVBACKEND_EPOLL \| EVBACKEND_KQUEUE \| EVBACKEND_PORT;	1613	int flags = EVBACKEND_EPOLL \| EVBACKEND_KQUEUE \| EVBACKEND_PORT;
1518		1614
1519	/* 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 */
1520	/* please fix it and tell me how to detect the fix */	1616	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
1521	flags &= ~EVBACKEND_EPOLL;	1617	flags &= ~EVBACKEND_EPOLL;
1522		1618
1523	return flags;	1619	return flags;
1524	}	1620	}
1525		1621
1526	unsigned int	1622	unsigned int
1527	ev_backend (EV_P)	1623	ev_backend (EV_P)
1528	{	1624	{
1529	return backend;	1625	return backend;
1530	}	1626	}
1531		1627
1532	#if EV_MINIMAL < 2	1628	#if EV_FEATURE_API
1533	unsigned int	1629	unsigned int
1534	ev_loop_count (EV_P)	1630	ev_iteration (EV_P)
1535	{	1631	{
1536	return loop_count;	1632	return loop_count;
1537	}	1633	}
1538		1634
1539	unsigned int	1635	unsigned int
1540	ev_loop_depth (EV_P)	1636	ev_depth (EV_P)
1541	{	1637	{
1542	return loop_depth;	1638	return loop_depth;
1543	}	1639	}
1544		1640
1545	void	1641	void
…		…
1582	static void noinline	1678	static void noinline
1583	loop_init (EV_P_ unsigned int flags)	1679	loop_init (EV_P_ unsigned int flags)
1584	{	1680	{
1585	if (!backend)	1681	if (!backend)
1586	{	1682	{
		1683	origflags = flags;
		1684
1587	#if EV_USE_REALTIME	1685	#if EV_USE_REALTIME
1588	if (!have_realtime)	1686	if (!have_realtime)
1589	{	1687	{
1590	struct timespec ts;	1688	struct timespec ts;
1591		1689
…		…
1617		1715
1618	ev_rt_now = ev_time ();	1716	ev_rt_now = ev_time ();
1619	mn_now = get_clock ();	1717	mn_now = get_clock ();
1620	now_floor = mn_now;	1718	now_floor = mn_now;
1621	rtmn_diff = ev_rt_now - mn_now;	1719	rtmn_diff = ev_rt_now - mn_now;
1622	#if EV_MINIMAL < 2	1720	#if EV_FEATURE_API
1623	invoke_cb = ev_invoke_pending;	1721	invoke_cb = ev_invoke_pending;
1624	#endif	1722	#endif
1625		1723
1626	io_blocktime = 0.;	1724	io_blocktime = 0.;
1627	timeout_blocktime = 0.;	1725	timeout_blocktime = 0.;
…		…
1636	#endif	1734	#endif
1637	#if EV_USE_SIGNALFD	1735	#if EV_USE_SIGNALFD
1638	sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;	1736	sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;
1639	#endif	1737	#endif
1640		1738
1641	if (!(flags & 0x0000ffffU))	1739	if (!(flags & EVBACKEND_MASK))
1642	flags \|= ev_recommended_backends ();	1740	flags \|= ev_recommended_backends ();
1643		1741
		1742	#if EV_USE_IOCP
		1743	if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags);
		1744	#endif
1644	#if EV_USE_PORT	1745	#if EV_USE_PORT
1645	if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);	1746	if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);
1646	#endif	1747	#endif
1647	#if EV_USE_KQUEUE	1748	#if EV_USE_KQUEUE
1648	if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags);	1749	if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags);
…		…
1657	if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags);	1758	if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags);
1658	#endif	1759	#endif
1659		1760
1660	ev_prepare_init (&pending_w, pendingcb);	1761	ev_prepare_init (&pending_w, pendingcb);
1661		1762
		1763	#if EV_SIGNAL_ENABLE \|\| EV_ASYNC_ENABLE
1662	ev_init (&pipe_w, pipecb);	1764	ev_init (&pipe_w, pipecb);
1663	ev_set_priority (&pipe_w, EV_MAXPRI);	1765	ev_set_priority (&pipe_w, EV_MAXPRI);
		1766	#endif
1664	}	1767	}
1665	}	1768	}
1666		1769
1667	/* free up a loop structure */	1770	/* free up a loop structure */
1668	static void noinline	1771	void
1669	loop_destroy (EV_P)	1772	ev_loop_destroy (EV_P)
1670	{	1773	{
1671	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
1672		1798
1673	if (ev_is_active (&pipe_w))	1799	if (ev_is_active (&pipe_w))
1674	{	1800	{
1675	/ev_ref (EV_A);/	1801	/ev_ref (EV_A);/
1676	/ev_io_stop (EV_A_ &pipe_w);/	1802	/ev_io_stop (EV_A_ &pipe_w);/
…		…
1698	#endif	1824	#endif
1699		1825
1700	if (backend_fd >= 0)	1826	if (backend_fd >= 0)
1701	close (backend_fd);	1827	close (backend_fd);
1702		1828
		1829	#if EV_USE_IOCP
		1830	if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A);
		1831	#endif
1703	#if EV_USE_PORT	1832	#if EV_USE_PORT
1704	if (backend == EVBACKEND_PORT ) port_destroy (EV_A);	1833	if (backend == EVBACKEND_PORT ) port_destroy (EV_A);
1705	#endif	1834	#endif
1706	#if EV_USE_KQUEUE	1835	#if EV_USE_KQUEUE
1707	if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A);	1836	if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A);
…		…
1734	array_free (periodic, EMPTY);	1863	array_free (periodic, EMPTY);
1735	#endif	1864	#endif
1736	#if EV_FORK_ENABLE	1865	#if EV_FORK_ENABLE
1737	array_free (fork, EMPTY);	1866	array_free (fork, EMPTY);
1738	#endif	1867	#endif
		1868	#if EV_CLEANUP_ENABLE
		1869	array_free (cleanup, EMPTY);
		1870	#endif
1739	array_free (prepare, EMPTY);	1871	array_free (prepare, EMPTY);
1740	array_free (check, EMPTY);	1872	array_free (check, EMPTY);
1741	#if EV_ASYNC_ENABLE	1873	#if EV_ASYNC_ENABLE
1742	array_free (async, EMPTY);	1874	array_free (async, EMPTY);
1743	#endif	1875	#endif
1744		1876
1745	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
1746	}	1887	}
1747		1888
1748	#if EV_USE_INOTIFY	1889	#if EV_USE_INOTIFY
1749	inline_size void infy_fork (EV_P);	1890	inline_size void infy_fork (EV_P);
1750	#endif	1891	#endif
…		…
1786	{	1927	{
1787	EV_WIN32_CLOSE_FD (evpipe [0]);	1928	EV_WIN32_CLOSE_FD (evpipe [0]);
1788	EV_WIN32_CLOSE_FD (evpipe [1]);	1929	EV_WIN32_CLOSE_FD (evpipe [1]);
1789	}	1930	}
1790		1931
		1932	#if EV_SIGNAL_ENABLE \|\| EV_ASYNC_ENABLE
1791	evpipe_init (EV_A);	1933	evpipe_init (EV_A);
1792	/* now iterate over everything, in case we missed something */	1934	/* now iterate over everything, in case we missed something */
1793	pipecb (EV_A_ &pipe_w, EV_READ);	1935	pipecb (EV_A_ &pipe_w, EV_READ);
		1936	#endif
1794	}	1937	}
1795		1938
1796	postfork = 0;	1939	postfork = 0;
1797	}	1940	}
1798		1941
…		…
1807	loop_init (EV_A_ flags);	1950	loop_init (EV_A_ flags);
1808		1951
1809	if (ev_backend (EV_A))	1952	if (ev_backend (EV_A))
1810	return EV_A;	1953	return EV_A;
1811		1954
		1955	ev_free (EV_A);
1812	return 0;	1956	return 0;
1813	}	1957	}
1814		1958
1815	void
1816	ev_loop_destroy (EV_P)
1817	{
1818	loop_destroy (EV_A);
1819	ev_free (loop);
1820	}
1821
1822	void
1823	ev_loop_fork (EV_P)
1824	{
1825	postfork = 1; /* must be in line with ev_default_fork */
1826	}
1827	#endif /* multiplicity */	1959	#endif /* multiplicity */
1828		1960
1829	#if EV_VERIFY	1961	#if EV_VERIFY
1830	static void noinline	1962	static void noinline
1831	verify_watcher (EV_P_ W w)	1963	verify_watcher (EV_P_ W w)
…		…
1860	verify_watcher (EV_A_ ws [cnt]);	1992	verify_watcher (EV_A_ ws [cnt]);
1861	}	1993	}
1862	}	1994	}
1863	#endif	1995	#endif
1864		1996
1865	#if EV_MINIMAL < 2	1997	#if EV_FEATURE_API
1866	void	1998	void
1867	ev_loop_verify (EV_P)	1999	ev_verify (EV_P)
1868	{	2000	{
1869	#if EV_VERIFY	2001	#if EV_VERIFY
1870	int i;	2002	int i;
1871	WL w;	2003	WL w;
1872		2004
…		…
1906	#if EV_FORK_ENABLE	2038	#if EV_FORK_ENABLE
1907	assert (forkmax >= forkcnt);	2039	assert (forkmax >= forkcnt);
1908	array_verify (EV_A_ (W *)forks, forkcnt);	2040	array_verify (EV_A_ (W *)forks, forkcnt);
1909	#endif	2041	#endif
1910		2042
		2043	#if EV_CLEANUP_ENABLE
		2044	assert (cleanupmax >= cleanupcnt);
		2045	array_verify (EV_A_ (W *)cleanups, cleanupcnt);
		2046	#endif
		2047
1911	#if EV_ASYNC_ENABLE	2048	#if EV_ASYNC_ENABLE
1912	assert (asyncmax >= asynccnt);	2049	assert (asyncmax >= asynccnt);
1913	array_verify (EV_A_ (W *)asyncs, asynccnt);	2050	array_verify (EV_A_ (W *)asyncs, asynccnt);
1914	#endif	2051	#endif
1915		2052
		2053	#if EV_PREPARE_ENABLE
1916	assert (preparemax >= preparecnt);	2054	assert (preparemax >= preparecnt);
1917	array_verify (EV_A_ (W *)prepares, preparecnt);	2055	array_verify (EV_A_ (W *)prepares, preparecnt);
		2056	#endif
1918		2057
		2058	#if EV_CHECK_ENABLE
1919	assert (checkmax >= checkcnt);	2059	assert (checkmax >= checkcnt);
1920	array_verify (EV_A_ (W *)checks, checkcnt);	2060	array_verify (EV_A_ (W *)checks, checkcnt);
		2061	#endif
1921		2062
1922	# if 0	2063	# if 0
		2064	#if EV_CHILD_ENABLE
1923	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)
1924	for (signum = EV_NSIG; signum--; ) if (signals [signum].pending)	2066	for (signum = EV_NSIG; signum--; ) if (signals [signum].pending)
		2067	#endif
1925	# endif	2068	# endif
1926	#endif	2069	#endif
1927	}	2070	}
1928	#endif	2071	#endif
1929		2072
1930	#if EV_MULTIPLICITY	2073	#if EV_MULTIPLICITY
1931	struct ev_loop *	2074	struct ev_loop *
1932	ev_default_loop_init (unsigned int flags)
1933	#else	2075	#else
1934	int	2076	int
		2077	#endif
1935	ev_default_loop (unsigned int flags)	2078	ev_default_loop (unsigned int flags)
1936	#endif
1937	{	2079	{
1938	if (!ev_default_loop_ptr)	2080	if (!ev_default_loop_ptr)
1939	{	2081	{
1940	#if EV_MULTIPLICITY	2082	#if EV_MULTIPLICITY
1941	EV_P = ev_default_loop_ptr = &default_loop_struct;	2083	EV_P = ev_default_loop_ptr = &default_loop_struct;
…		…
1945		2087
1946	loop_init (EV_A_ flags);	2088	loop_init (EV_A_ flags);
1947		2089
1948	if (ev_backend (EV_A))	2090	if (ev_backend (EV_A))
1949	{	2091	{
1950	#ifndef _WIN32	2092	#if EV_CHILD_ENABLE
1951	ev_signal_init (&childev, childcb, SIGCHLD);	2093	ev_signal_init (&childev, childcb, SIGCHLD);
1952	ev_set_priority (&childev, EV_MAXPRI);	2094	ev_set_priority (&childev, EV_MAXPRI);
1953	ev_signal_start (EV_A_ &childev);	2095	ev_signal_start (EV_A_ &childev);
1954	ev_unref (EV_A); /* child watcher should not keep loop alive */	2096	ev_unref (EV_A); /* child watcher should not keep loop alive */
1955	#endif	2097	#endif
…		…
1960		2102
1961	return ev_default_loop_ptr;	2103	return ev_default_loop_ptr;
1962	}	2104	}
1963		2105
1964	void	2106	void
1965	ev_default_destroy (void)	2107	ev_loop_fork (EV_P)
1966	{	2108	{
1967	#if EV_MULTIPLICITY
1968	EV_P = ev_default_loop_ptr;
1969	#endif
1970
1971	ev_default_loop_ptr = 0;
1972
1973	#ifndef _WIN32
1974	ev_ref (EV_A); /* child watcher */
1975	ev_signal_stop (EV_A_ &childev);
1976	#endif
1977
1978	loop_destroy (EV_A);
1979	}
1980
1981	void
1982	ev_default_fork (void)
1983	{
1984	#if EV_MULTIPLICITY
1985	EV_P = ev_default_loop_ptr;
1986	#endif
1987
1988	postfork = 1; /* must be in line with ev_loop_fork */	2109	postfork = 1; /* must be in line with ev_default_fork */
1989	}	2110	}
1990		2111
1991	/*****************************************************************************/	2112	/*****************************************************************************/
1992		2113
1993	void	2114	void
…		…
2015		2136
2016	for (pri = NUMPRI; pri--; )	2137	for (pri = NUMPRI; pri--; )
2017	while (pendingcnt [pri])	2138	while (pendingcnt [pri])
2018	{	2139	{
2019	ANPENDING *p = pendings [pri] + --pendingcnt [pri];	2140	ANPENDING *p = pendings [pri] + --pendingcnt [pri];
2020
2021	/assert (("libev: non-pending watcher on pending list", p->w->pending));/
2022	/* ^ this is no longer true, as pending_w could be here */
2023		2141
2024	p->w->pending = 0;	2142	p->w->pending = 0;
2025	EV_CB_INVOKE (p->w, p->events);	2143	EV_CB_INVOKE (p->w, p->events);
2026	EV_FREQUENT_CHECK;	2144	EV_FREQUENT_CHECK;
2027	}	2145	}
…		…
2084	EV_FREQUENT_CHECK;	2202	EV_FREQUENT_CHECK;
2085	feed_reverse (EV_A_ (W)w);	2203	feed_reverse (EV_A_ (W)w);
2086	}	2204	}
2087	while (timercnt && ANHE_at (timers [HEAP0]) < mn_now);	2205	while (timercnt && ANHE_at (timers [HEAP0]) < mn_now);
2088		2206
2089	feed_reverse_done (EV_A_ EV_TIMEOUT);	2207	feed_reverse_done (EV_A_ EV_TIMER);
2090	}	2208	}
2091	}	2209	}
2092		2210
2093	#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
2094	/* make periodics pending */	2221	/* make periodics pending */
2095	inline_size void	2222	inline_size void
2096	periodics_reify (EV_P)	2223	periodics_reify (EV_P)
2097	{	2224	{
2098	EV_FREQUENT_CHECK;	2225	EV_FREQUENT_CHECK;
…		…
2117	ANHE_at_cache (periodics [HEAP0]);	2244	ANHE_at_cache (periodics [HEAP0]);
2118	downheap (periodics, periodiccnt, HEAP0);	2245	downheap (periodics, periodiccnt, HEAP0);
2119	}	2246	}
2120	else if (w->interval)	2247	else if (w->interval)
2121	{	2248	{
2122	ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;	2249	periodic_recalc (EV_A_ w);
		2250
2123	/* 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 */
2124	/* this might happen because of floating point inexactness */	2252	/* this might happen because of floating point inexactness */
2125	if (ev_at (w) - ev_rt_now < TIME_EPSILON)	2253	if (ev_at (w) - ev_rt_now < TIME_EPSILON)
2126	{	2254	{
2127	ev_at (w) += w->interval;	2255	ev_at (w) += w->interval;
…		…
2147	feed_reverse_done (EV_A_ EV_PERIODIC);	2275	feed_reverse_done (EV_A_ EV_PERIODIC);
2148	}	2276	}
2149	}	2277	}
2150		2278
2151	/* simply recalculate all periodics */	2279	/* simply recalculate all periodics */
2152	/* 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? */
2153	static void noinline	2281	static void noinline
2154	periodics_reschedule (EV_P)	2282	periodics_reschedule (EV_P)
2155	{	2283	{
2156	int i;	2284	int i;
2157		2285
…		…
2161	ev_periodic w = (ev_periodic )ANHE_w (periodics [i]);	2289	ev_periodic w = (ev_periodic )ANHE_w (periodics [i]);
2162		2290
2163	if (w->reschedule_cb)	2291	if (w->reschedule_cb)
2164	ev_at (w) = w->reschedule_cb (w, ev_rt_now);	2292	ev_at (w) = w->reschedule_cb (w, ev_rt_now);
2165	else if (w->interval)	2293	else if (w->interval)
2166	ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;	2294	periodic_recalc (EV_A_ w);
2167		2295
2168	ANHE_at_cache (periodics [i]);	2296	ANHE_at_cache (periodics [i]);
2169	}	2297	}
2170		2298
2171	reheap (periodics, periodiccnt);	2299	reheap (periodics, periodiccnt);
…		…
2253	mn_now = ev_rt_now;	2381	mn_now = ev_rt_now;
2254	}	2382	}
2255	}	2383	}
2256		2384
2257	void	2385	void
2258	ev_loop (EV_P_ int flags)	2386	ev_run (EV_P_ int flags)
2259	{	2387	{
2260	#if EV_MINIMAL < 2	2388	#if EV_FEATURE_API
2261	++loop_depth;	2389	++loop_depth;
2262	#endif	2390	#endif
2263		2391
2264	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));
2265		2393
2266	loop_done = EVUNLOOP_CANCEL;	2394	loop_done = EVBREAK_CANCEL;
2267		2395
2268	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 */
2269		2397
2270	do	2398	do
2271	{	2399	{
2272	#if EV_VERIFY >= 2	2400	#if EV_VERIFY >= 2
2273	ev_loop_verify (EV_A);	2401	ev_verify (EV_A);
2274	#endif	2402	#endif
2275		2403
2276	#ifndef _WIN32	2404	#ifndef _WIN32
2277	if (expect_false (curpid)) /* penalise the forking check even more */	2405	if (expect_false (curpid)) /* penalise the forking check even more */
2278	if (expect_false (getpid () != curpid))	2406	if (expect_false (getpid () != curpid))
…		…
2290	queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);	2418	queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);
2291	EV_INVOKE_PENDING;	2419	EV_INVOKE_PENDING;
2292	}	2420	}
2293	#endif	2421	#endif
2294		2422
		2423	#if EV_PREPARE_ENABLE
2295	/* queue prepare watchers (and execute them) */	2424	/* queue prepare watchers (and execute them) */
2296	if (expect_false (preparecnt))	2425	if (expect_false (preparecnt))
2297	{	2426	{
2298	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);	2427	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
2299	EV_INVOKE_PENDING;	2428	EV_INVOKE_PENDING;
2300	}	2429	}
		2430	#endif
2301		2431
2302	if (expect_false (loop_done))	2432	if (expect_false (loop_done))
2303	break;	2433	break;
2304		2434
2305	/* we might have forked, so reify kernel state if necessary */	2435	/* we might have forked, so reify kernel state if necessary */
…		…
2312	/* calculate blocking time */	2442	/* calculate blocking time */
2313	{	2443	{
2314	ev_tstamp waittime = 0.;	2444	ev_tstamp waittime = 0.;
2315	ev_tstamp sleeptime = 0.;	2445	ev_tstamp sleeptime = 0.;
2316		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
2317	if (expect_true (!(flags & EVLOOP_NONBLOCK \|\| idleall \|\| !activecnt)))	2453	if (expect_true (!(flags & EVRUN_NOWAIT \|\| idleall \|\| !activecnt)))
2318	{	2454	{
2319	/* remember old timestamp for io_blocktime calculation */
2320	ev_tstamp prev_mn_now = mn_now;
2321
2322	/* update time to cancel out callback processing overhead */
2323	time_update (EV_A_ 1e100);
2324
2325	waittime = MAX_BLOCKTIME;	2455	waittime = MAX_BLOCKTIME;
2326		2456
2327	if (timercnt)	2457	if (timercnt)
2328	{	2458	{
2329	ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge;	2459	ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge;
…		…
2356	waittime -= sleeptime;	2486	waittime -= sleeptime;
2357	}	2487	}
2358	}	2488	}
2359	}	2489	}
2360		2490
2361	#if EV_MINIMAL < 2	2491	#if EV_FEATURE_API
2362	++loop_count;	2492	++loop_count;
2363	#endif	2493	#endif
2364	assert ((loop_done = EVUNLOOP_RECURSE, 1)); /* assert for side effect */	2494	assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */
2365	backend_poll (EV_A_ waittime);	2495	backend_poll (EV_A_ waittime);
2366	assert ((loop_done = EVUNLOOP_CANCEL, 1)); /* assert for side effect */	2496	assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */
2367		2497
2368	/* update ev_rt_now, do magic */	2498	/* update ev_rt_now, do magic */
2369	time_update (EV_A_ waittime + sleeptime);	2499	time_update (EV_A_ waittime + sleeptime);
2370	}	2500	}
2371		2501
…		…
2378	#if EV_IDLE_ENABLE	2508	#if EV_IDLE_ENABLE
2379	/* queue idle watchers unless other events are pending */	2509	/* queue idle watchers unless other events are pending */
2380	idle_reify (EV_A);	2510	idle_reify (EV_A);
2381	#endif	2511	#endif
2382		2512
		2513	#if EV_CHECK_ENABLE
2383	/* queue check watchers, to be executed first */	2514	/* queue check watchers, to be executed first */
2384	if (expect_false (checkcnt))	2515	if (expect_false (checkcnt))
2385	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);	2516	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
		2517	#endif
2386		2518
2387	EV_INVOKE_PENDING;	2519	EV_INVOKE_PENDING;
2388	}	2520	}
2389	while (expect_true (	2521	while (expect_true (
2390	activecnt	2522	activecnt
2391	&& !loop_done	2523	&& !loop_done
2392	&& !(flags & (EVLOOP_ONESHOT \| EVLOOP_NONBLOCK))	2524	&& !(flags & (EVRUN_ONCE \| EVRUN_NOWAIT))
2393	));	2525	));
2394		2526
2395	if (loop_done == EVUNLOOP_ONE)	2527	if (loop_done == EVBREAK_ONE)
2396	loop_done = EVUNLOOP_CANCEL;	2528	loop_done = EVBREAK_CANCEL;
2397		2529
2398	#if EV_MINIMAL < 2	2530	#if EV_FEATURE_API
2399	--loop_depth;	2531	--loop_depth;
2400	#endif	2532	#endif
2401	}	2533	}
2402		2534
2403	void	2535	void
2404	ev_unloop (EV_P_ int how)	2536	ev_break (EV_P_ int how)
2405	{	2537	{
2406	loop_done = how;	2538	loop_done = how;
2407	}	2539	}
2408		2540
2409	void	2541	void
…		…
2557	EV_FREQUENT_CHECK;	2689	EV_FREQUENT_CHECK;
2558		2690
2559	wlist_del (&anfds[w->fd].head, (WL)w);	2691	wlist_del (&anfds[w->fd].head, (WL)w);
2560	ev_stop (EV_A_ (W)w);	2692	ev_stop (EV_A_ (W)w);
2561		2693
2562	fd_change (EV_A_ w->fd, 1);	2694	fd_change (EV_A_ w->fd, EV_ANFD_REIFY);
2563		2695
2564	EV_FREQUENT_CHECK;	2696	EV_FREQUENT_CHECK;
2565	}	2697	}
2566		2698
2567	void noinline	2699	void noinline
…		…
2659	if (w->reschedule_cb)	2791	if (w->reschedule_cb)
2660	ev_at (w) = w->reschedule_cb (w, ev_rt_now);	2792	ev_at (w) = w->reschedule_cb (w, ev_rt_now);
2661	else if (w->interval)	2793	else if (w->interval)
2662	{	2794	{
2663	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.));
2664	/* this formula differs from the one in periodic_reify because we do not always round up */	2796	periodic_recalc (EV_A_ w);
2665	ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
2666	}	2797	}
2667	else	2798	else
2668	ev_at (w) = w->offset;	2799	ev_at (w) = w->offset;
2669		2800
2670	EV_FREQUENT_CHECK;	2801	EV_FREQUENT_CHECK;
…		…
2719	#endif	2850	#endif
2720		2851
2721	#ifndef SA_RESTART	2852	#ifndef SA_RESTART
2722	# define SA_RESTART 0	2853	# define SA_RESTART 0
2723	#endif	2854	#endif
		2855
		2856	#if EV_SIGNAL_ENABLE
2724		2857
2725	void noinline	2858	void noinline
2726	ev_signal_start (EV_P_ ev_signal *w)	2859	ev_signal_start (EV_P_ ev_signal *w)
2727	{	2860	{
2728	if (expect_false (ev_is_active (w)))	2861	if (expect_false (ev_is_active (w)))
…		…
2789	sa.sa_handler = ev_sighandler;	2922	sa.sa_handler = ev_sighandler;
2790	sigfillset (&sa.sa_mask);	2923	sigfillset (&sa.sa_mask);
2791	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 */
2792	sigaction (w->signum, &sa, 0);	2925	sigaction (w->signum, &sa, 0);
2793		2926
		2927	if (origflags & EVFLAG_NOSIGMASK)
		2928	{
2794	sigemptyset (&sa.sa_mask);	2929	sigemptyset (&sa.sa_mask);
2795	sigaddset (&sa.sa_mask, w->signum);	2930	sigaddset (&sa.sa_mask, w->signum);
2796	sigprocmask (SIG_UNBLOCK, &sa.sa_mask, 0);	2931	sigprocmask (SIG_UNBLOCK, &sa.sa_mask, 0);
		2932	}
2797	#endif	2933	#endif
2798	}	2934	}
2799		2935
2800	EV_FREQUENT_CHECK;	2936	EV_FREQUENT_CHECK;
2801	}	2937	}
…		…
2835	}	2971	}
2836		2972
2837	EV_FREQUENT_CHECK;	2973	EV_FREQUENT_CHECK;
2838	}	2974	}
2839		2975
		2976	#endif
		2977
		2978	#if EV_CHILD_ENABLE
		2979
2840	void	2980	void
2841	ev_child_start (EV_P_ ev_child *w)	2981	ev_child_start (EV_P_ ev_child *w)
2842	{	2982	{
2843	#if EV_MULTIPLICITY	2983	#if EV_MULTIPLICITY
2844	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));	2984	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
…		…
2847	return;	2987	return;
2848		2988
2849	EV_FREQUENT_CHECK;	2989	EV_FREQUENT_CHECK;
2850		2990
2851	ev_start (EV_A_ (W)w, 1);	2991	ev_start (EV_A_ (W)w, 1);
2852	wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);	2992	wlist_add (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w);
2853		2993
2854	EV_FREQUENT_CHECK;	2994	EV_FREQUENT_CHECK;
2855	}	2995	}
2856		2996
2857	void	2997	void
…		…
2861	if (expect_false (!ev_is_active (w)))	3001	if (expect_false (!ev_is_active (w)))
2862	return;	3002	return;
2863		3003
2864	EV_FREQUENT_CHECK;	3004	EV_FREQUENT_CHECK;
2865		3005
2866	wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);	3006	wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w);
2867	ev_stop (EV_A_ (W)w);	3007	ev_stop (EV_A_ (W)w);
2868		3008
2869	EV_FREQUENT_CHECK;	3009	EV_FREQUENT_CHECK;
2870	}	3010	}
		3011
		3012	#endif
2871		3013
2872	#if EV_STAT_ENABLE	3014	#if EV_STAT_ENABLE
2873		3015
2874	# ifdef _WIN32	3016	# ifdef _WIN32
2875	# undef lstat	3017	# undef lstat
…		…
2936	if (!pend \|\| pend == path)	3078	if (!pend \|\| pend == path)
2937	break;	3079	break;
2938		3080
2939	*pend = 0;	3081	*pend = 0;
2940	w->wd = inotify_add_watch (fs_fd, path, mask);	3082	w->wd = inotify_add_watch (fs_fd, path, mask);
2941	}	3083	}
2942	while (w->wd < 0 && (errno == ENOENT \|\| errno == EACCES));	3084	while (w->wd < 0 && (errno == ENOENT \|\| errno == EACCES));
2943	}	3085	}
2944	}	3086	}
2945		3087
2946	if (w->wd >= 0)	3088	if (w->wd >= 0)
2947	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);
2948		3090
2949	/* now re-arm timer, if required */	3091	/* now re-arm timer, if required */
2950	if (ev_is_active (&w->timer)) ev_ref (EV_A);	3092	if (ev_is_active (&w->timer)) ev_ref (EV_A);
2951	ev_timer_again (EV_A_ &w->timer);	3093	ev_timer_again (EV_A_ &w->timer);
2952	if (ev_is_active (&w->timer)) ev_unref (EV_A);	3094	if (ev_is_active (&w->timer)) ev_unref (EV_A);
…		…
2960		3102
2961	if (wd < 0)	3103	if (wd < 0)
2962	return;	3104	return;
2963		3105
2964	w->wd = -2;	3106	w->wd = -2;
2965	slot = wd & (EV_INOTIFY_HASHSIZE - 1);	3107	slot = wd & ((EV_INOTIFY_HASHSIZE) - 1);
2966	wlist_del (&fs_hash [slot].head, (WL)w);	3108	wlist_del (&fs_hash [slot].head, (WL)w);
2967		3109
2968	/* remove this watcher, if others are watching it, they will rearm */	3110	/* remove this watcher, if others are watching it, they will rearm */
2969	inotify_rm_watch (fs_fd, wd);	3111	inotify_rm_watch (fs_fd, wd);
2970	}	3112	}
…		…
2972	static void noinline	3114	static void noinline
2973	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)
2974	{	3116	{
2975	if (slot < 0)	3117	if (slot < 0)
2976	/* overflow, need to check for all hash slots */	3118	/* overflow, need to check for all hash slots */
2977	for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot)	3119	for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)
2978	infy_wd (EV_A_ slot, wd, ev);	3120	infy_wd (EV_A_ slot, wd, ev);
2979	else	3121	else
2980	{	3122	{
2981	WL w_;	3123	WL w_;
2982		3124
2983	for (w_ = fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head; w_; )	3125	for (w_ = fs_hash [slot & ((EV_INOTIFY_HASHSIZE) - 1)].head; w_; )
2984	{	3126	{
2985	ev_stat w = (ev_stat )w_;	3127	ev_stat w = (ev_stat )w_;
2986	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 */
2987		3129
2988	if (w->wd == wd \|\| wd == -1)	3130	if (w->wd == wd \|\| wd == -1)
2989	{	3131	{
2990	if (ev->mask & (IN_IGNORED \| IN_UNMOUNT \| IN_DELETE_SELF))	3132	if (ev->mask & (IN_IGNORED \| IN_UNMOUNT \| IN_DELETE_SELF))
2991	{	3133	{
2992	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);
2993	w->wd = -1;	3135	w->wd = -1;
2994	infy_add (EV_A_ w); /* re-add, no matter what */	3136	infy_add (EV_A_ w); /* re-add, no matter what */
2995	}	3137	}
2996		3138
2997	stat_timer_cb (EV_A_ &w->timer, 0);	3139	stat_timer_cb (EV_A_ &w->timer, 0);
…		…
3011	{	3153	{
3012	struct inotify_event ev = (struct inotify_event )(buf + ofs);	3154	struct inotify_event ev = (struct inotify_event )(buf + ofs);
3013	infy_wd (EV_A_ ev->wd, ev->wd, ev);	3155	infy_wd (EV_A_ ev->wd, ev->wd, ev);
3014	ofs += sizeof (struct inotify_event) + ev->len;	3156	ofs += sizeof (struct inotify_event) + ev->len;
3015	}	3157	}
3016	}
3017
3018	inline_size unsigned int
3019	ev_linux_version (void)
3020	{
3021	struct utsname buf;
3022	unsigned int v;
3023	int i;
3024	char *p = buf.release;
3025
3026	if (uname (&buf))
3027	return 0;
3028
3029	for (i = 3+1; --i; )
3030	{
3031	unsigned int c = 0;
3032
3033	for (;;)
3034	{
3035	if (p >= '0' && p <= '9')
3036	c = c * 10 + *p++ - '0';
3037	else
3038	{
3039	p += *p == '.';
3040	break;
3041	}
3042	}
3043
3044	v = (v << 8) \| c;
3045	}
3046
3047	return v;
3048	}	3158	}
3049		3159
3050	inline_size void	3160	inline_size void
3051	ev_check_2625 (EV_P)	3161	ev_check_2625 (EV_P)
3052	{	3162	{
…		…
3111	ev_io_set (&fs_w, fs_fd, EV_READ);	3221	ev_io_set (&fs_w, fs_fd, EV_READ);
3112	ev_io_start (EV_A_ &fs_w);	3222	ev_io_start (EV_A_ &fs_w);
3113	ev_unref (EV_A);	3223	ev_unref (EV_A);
3114	}	3224	}
3115		3225
3116	for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot)	3226	for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)
3117	{	3227	{
3118	WL w_ = fs_hash [slot].head;	3228	WL w_ = fs_hash [slot].head;
3119	fs_hash [slot].head = 0;	3229	fs_hash [slot].head = 0;
3120		3230
3121	while (w_)	3231	while (w_)
…		…
3296		3406
3297	EV_FREQUENT_CHECK;	3407	EV_FREQUENT_CHECK;
3298	}	3408	}
3299	#endif	3409	#endif
3300		3410
		3411	#if EV_PREPARE_ENABLE
3301	void	3412	void
3302	ev_prepare_start (EV_P_ ev_prepare *w)	3413	ev_prepare_start (EV_P_ ev_prepare *w)
3303	{	3414	{
3304	if (expect_false (ev_is_active (w)))	3415	if (expect_false (ev_is_active (w)))
3305	return;	3416	return;
…		…
3331		3442
3332	ev_stop (EV_A_ (W)w);	3443	ev_stop (EV_A_ (W)w);
3333		3444
3334	EV_FREQUENT_CHECK;	3445	EV_FREQUENT_CHECK;
3335	}	3446	}
		3447	#endif
3336		3448
		3449	#if EV_CHECK_ENABLE
3337	void	3450	void
3338	ev_check_start (EV_P_ ev_check *w)	3451	ev_check_start (EV_P_ ev_check *w)
3339	{	3452	{
3340	if (expect_false (ev_is_active (w)))	3453	if (expect_false (ev_is_active (w)))
3341	return;	3454	return;
…		…
3367		3480
3368	ev_stop (EV_A_ (W)w);	3481	ev_stop (EV_A_ (W)w);
3369		3482
3370	EV_FREQUENT_CHECK;	3483	EV_FREQUENT_CHECK;
3371	}	3484	}
		3485	#endif
3372		3486
3373	#if EV_EMBED_ENABLE	3487	#if EV_EMBED_ENABLE
3374	void noinline	3488	void noinline
3375	ev_embed_sweep (EV_P_ ev_embed *w)	3489	ev_embed_sweep (EV_P_ ev_embed *w)
3376	{	3490	{
3377	ev_loop (w->other, EVLOOP_NONBLOCK);	3491	ev_run (w->other, EVRUN_NOWAIT);
3378	}	3492	}
3379		3493
3380	static void	3494	static void
3381	embed_io_cb (EV_P_ ev_io *io, int revents)	3495	embed_io_cb (EV_P_ ev_io *io, int revents)
3382	{	3496	{
3383	ev_embed w = (ev_embed )(((char *)io) - offsetof (ev_embed, io));	3497	ev_embed w = (ev_embed )(((char *)io) - offsetof (ev_embed, io));
3384		3498
3385	if (ev_cb (w))	3499	if (ev_cb (w))
3386	ev_feed_event (EV_A_ (W)w, EV_EMBED);	3500	ev_feed_event (EV_A_ (W)w, EV_EMBED);
3387	else	3501	else
3388	ev_loop (w->other, EVLOOP_NONBLOCK);	3502	ev_run (w->other, EVRUN_NOWAIT);
3389	}	3503	}
3390		3504
3391	static void	3505	static void
3392	embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents)	3506	embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents)
3393	{	3507	{
…		…
3397	EV_P = w->other;	3511	EV_P = w->other;
3398		3512
3399	while (fdchangecnt)	3513	while (fdchangecnt)
3400	{	3514	{
3401	fd_reify (EV_A);	3515	fd_reify (EV_A);
3402	ev_loop (EV_A_ EVLOOP_NONBLOCK);	3516	ev_run (EV_A_ EVRUN_NOWAIT);
3403	}	3517	}
3404	}	3518	}
3405	}	3519	}
3406		3520
3407	static void	3521	static void
…		…
3413		3527
3414	{	3528	{
3415	EV_P = w->other;	3529	EV_P = w->other;
3416		3530
3417	ev_loop_fork (EV_A);	3531	ev_loop_fork (EV_A);
3418	ev_loop (EV_A_ EVLOOP_NONBLOCK);	3532	ev_run (EV_A_ EVRUN_NOWAIT);
3419	}	3533	}
3420		3534
3421	ev_embed_start (EV_A_ w);	3535	ev_embed_start (EV_A_ w);
3422	}	3536	}
3423		3537
…		…
3515		3629
3516	EV_FREQUENT_CHECK;	3630	EV_FREQUENT_CHECK;
3517	}	3631	}
3518	#endif	3632	#endif
3519		3633
3520	#if EV_ASYNC_ENABLE	3634	#if EV_CLEANUP_ENABLE
3521	void	3635	void
3522	ev_async_start (EV_P_ ev_async *w)	3636	ev_cleanup_start (EV_P_ ev_cleanup *w)
3523	{	3637	{
3524	if (expect_false (ev_is_active (w)))	3638	if (expect_false (ev_is_active (w)))
3525	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;
3526		3683
3527	evpipe_init (EV_A);	3684	evpipe_init (EV_A);
3528		3685
3529	EV_FREQUENT_CHECK;	3686	EV_FREQUENT_CHECK;
3530		3687
…		…
3608	{	3765	{
3609	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));
3610		3767
3611	if (expect_false (!once))	3768	if (expect_false (!once))
3612	{	3769	{
3613	cb (EV_ERROR \| EV_READ \| EV_WRITE \| EV_TIMEOUT, arg);	3770	cb (EV_ERROR \| EV_READ \| EV_WRITE \| EV_TIMER, arg);
3614	return;	3771	return;
3615	}	3772	}
3616		3773
3617	once->cb = cb;	3774	once->cb = cb;
3618	once->arg = arg;	3775	once->arg = arg;
…		…
3705	if (types & EV_ASYNC)	3862	if (types & EV_ASYNC)
3706	for (i = asynccnt; i--; )	3863	for (i = asynccnt; i--; )
3707	cb (EV_A_ EV_ASYNC, asyncs [i]);	3864	cb (EV_A_ EV_ASYNC, asyncs [i]);
3708	#endif	3865	#endif
3709		3866
		3867	#if EV_PREPARE_ENABLE
3710	if (types & EV_PREPARE)	3868	if (types & EV_PREPARE)
3711	for (i = preparecnt; i--; )	3869	for (i = preparecnt; i--; )
3712	#if EV_EMBED_ENABLE	3870	# if EV_EMBED_ENABLE
3713	if (ev_cb (prepares [i]) != embed_prepare_cb)	3871	if (ev_cb (prepares [i]) != embed_prepare_cb)
3714	#endif	3872	# endif
3715	cb (EV_A_ EV_PREPARE, prepares [i]);	3873	cb (EV_A_ EV_PREPARE, prepares [i]);
		3874	#endif
3716		3875
		3876	#if EV_CHECK_ENABLE
3717	if (types & EV_CHECK)	3877	if (types & EV_CHECK)
3718	for (i = checkcnt; i--; )	3878	for (i = checkcnt; i--; )
3719	cb (EV_A_ EV_CHECK, checks [i]);	3879	cb (EV_A_ EV_CHECK, checks [i]);
		3880	#endif
3720		3881
		3882	#if EV_SIGNAL_ENABLE
3721	if (types & EV_SIGNAL)	3883	if (types & EV_SIGNAL)
3722	for (i = 0; i < EV_NSIG - 1; ++i)	3884	for (i = 0; i < EV_NSIG - 1; ++i)
3723	for (wl = signals [i].head; wl; )	3885	for (wl = signals [i].head; wl; )
3724	{	3886	{
3725	wn = wl->next;	3887	wn = wl->next;
3726	cb (EV_A_ EV_SIGNAL, wl);	3888	cb (EV_A_ EV_SIGNAL, wl);
3727	wl = wn;	3889	wl = wn;
3728	}	3890	}
		3891	#endif
3729		3892
		3893	#if EV_CHILD_ENABLE
3730	if (types & EV_CHILD)	3894	if (types & EV_CHILD)
3731	for (i = EV_PID_HASHSIZE; i--; )	3895	for (i = (EV_PID_HASHSIZE); i--; )
3732	for (wl = childs [i]; wl; )	3896	for (wl = childs [i]; wl; )
3733	{	3897	{
3734	wn = wl->next;	3898	wn = wl->next;
3735	cb (EV_A_ EV_CHILD, wl);	3899	cb (EV_A_ EV_CHILD, wl);
3736	wl = wn;	3900	wl = wn;
3737	}	3901	}
		3902	#endif
3738	/* EV_STAT 0x00001000 /* stat data changed */	3903	/* EV_STAT 0x00001000 /* stat data changed */
3739	/* EV_EMBED 0x00010000 /* embedded event loop needs sweep */	3904	/* EV_EMBED 0x00010000 /* embedded event loop needs sweep */
3740	}	3905	}
3741	#endif	3906	#endif
3742		3907
3743	#if EV_MULTIPLICITY	3908	#if EV_MULTIPLICITY
3744	#include "ev_wrap.h"	3909	#include "ev_wrap.h"
3745	#endif	3910	#endif
3746		3911
3747	#ifdef __cplusplus	3912	EV_CPP(})
3748	}
3749	#endif
3750		3913

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Comparing libev/ev.c (file contents): Revision 1.332 by root, Tue Mar 9 08:58:17 2010 UTC vs. Revision 1.372 by root, Wed Feb 16 08:02:50 2011 UTC

Diff Legend

Comparing libev/ev.c (file contents):
Revision 1.332 by root, Tue Mar 9 08:58:17 2010 UTC vs.
Revision 1.372 by root, Wed Feb 16 08:02:50 2011 UTC