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

Comparing libev/ev.c (file contents):
Revision 1.331 by root, Tue Mar 9 08:55:03 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	*/
577		618
578	if (size)	619	if (size)
579	return realloc (ptr, size);	620	return realloc (ptr, size);
580		621
581	free (ptr);	622	free (ptr);
582	return 0;	623	return 0;
		624	#endif
583	}	625	}
584		626
585	static void (alloc)(void *ptr, long size) = ev_realloc_emul;	627	static void (alloc)(void *ptr, long size) = ev_realloc_emul;
586		628
587	void	629	void
…		…
596	ptr = alloc (ptr, size);	638	ptr = alloc (ptr, size);
597		639
598	if (!ptr && size)	640	if (!ptr && size)
599	{	641	{
600	#if EV_AVOID_STDIO	642	#if EV_AVOID_STDIO
601	ev_printerr ("libev: memory allocation failed, aborting.\n");	643	ev_printerr ("(libev) memory allocation failed, aborting.\n");
602	#else	644	#else
603	fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size);	645	fprintf (stderr, "(libev) cannot allocate %ld bytes, aborting.", size);
604	#endif	646	#endif
605	abort ();	647	abort ();
606	}	648	}
607		649
608	return ptr;	650	return ptr;
…		…
625	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 */
626	unsigned char unused;	668	unsigned char unused;
627	#if EV_USE_EPOLL	669	#if EV_USE_EPOLL
628	unsigned int egen; /* generation counter to counter epoll bugs */	670	unsigned int egen; /* generation counter to counter epoll bugs */
629	#endif	671	#endif
630	#if EV_SELECT_IS_WINSOCKET	672	#if EV_SELECT_IS_WINSOCKET \|\| EV_USE_IOCP
631	SOCKET handle;	673	SOCKET handle;
		674	#endif
		675	#if EV_USE_IOCP
		676	OVERLAPPED or, ow;
632	#endif	677	#endif
633	} ANFD;	678	} ANFD;
634		679
635	/* stores the pending event set for a given watcher */	680	/* stores the pending event set for a given watcher */
636	typedef struct	681	typedef struct
…		…
691		736
692	static int ev_default_loop_ptr;	737	static int ev_default_loop_ptr;
693		738
694	#endif	739	#endif
695		740
696	#if EV_MINIMAL < 2	741	#if EV_FEATURE_API
697	# 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)
698	# 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)
699	# define EV_INVOKE_PENDING invoke_cb (EV_A)	744	# define EV_INVOKE_PENDING invoke_cb (EV_A)
700	#else	745	#else
701	# define EV_RELEASE_CB (void)0	746	# define EV_RELEASE_CB (void)0
702	# define EV_ACQUIRE_CB (void)0	747	# define EV_ACQUIRE_CB (void)0
703	# define EV_INVOKE_PENDING ev_invoke_pending (EV_A)	748	# define EV_INVOKE_PENDING ev_invoke_pending (EV_A)
704	#endif	749	#endif
705		750
706	#define EVUNLOOP_RECURSE 0x80	751	#define EVBREAK_RECURSE 0x80
707		752
708	/*****************************************************************************/	753	/*****************************************************************************/
709		754
710	#ifndef EV_HAVE_EV_TIME	755	#ifndef EV_HAVE_EV_TIME
711	ev_tstamp	756	ev_tstamp
…		…
755	if (delay > 0.)	800	if (delay > 0.)
756	{	801	{
757	#if EV_USE_NANOSLEEP	802	#if EV_USE_NANOSLEEP
758	struct timespec ts;	803	struct timespec ts;
759		804
760	ts.tv_sec = (time_t)delay;	805	EV_TS_SET (ts, delay);
761	ts.tv_nsec = (long)((delay - (ev_tstamp)(ts.tv_sec)) * 1e9);
762
763	nanosleep (&ts, 0);	806	nanosleep (&ts, 0);
764	#elif defined(_WIN32)	807	#elif defined(_WIN32)
765	Sleep ((unsigned long)(delay * 1e3));	808	Sleep ((unsigned long)(delay * 1e3));
766	#else	809	#else
767	struct timeval tv;	810	struct timeval tv;
768		811
769	tv.tv_sec = (time_t)delay;
770	tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6);
771
772	/* 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 */
773	/* something not guaranteed by newer posix versions, but guaranteed */	813	/* something not guaranteed by newer posix versions, but guaranteed */
774	/* by older ones */	814	/* by older ones */
		815	EV_TV_SET (tv, delay);
775	select (0, 0, 0, 0, &tv);	816	select (0, 0, 0, 0, &tv);
776	#endif	817	#endif
777	}	818	}
778	}	819	}
779		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
780	/*****************************************************************************/	829	/*****************************************************************************/
781		830
782	#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 /
783		832
784	/* find a suitable new size for the given array, */	833	/* find a suitable new size for the given array, */
785	/* hopefully by rounding to a ncie-to-malloc size */	834	/* hopefully by rounding to a nice-to-malloc size */
786	inline_size int	835	inline_size int
787	array_nextsize (int elem, int cur, int cnt)	836	array_nextsize (int elem, int cur, int cnt)
788	{	837	{
789	int ncur = cur + 1;	838	int ncur = cur + 1;
790		839
…		…
886	}	935	}
887		936
888	/*****************************************************************************/	937	/*****************************************************************************/
889		938
890	inline_speed void	939	inline_speed void
891	fd_event_nc (EV_P_ int fd, int revents)	940	fd_event_nocheck (EV_P_ int fd, int revents)
892	{	941	{
893	ANFD *anfd = anfds + fd;	942	ANFD *anfd = anfds + fd;
894	ev_io *w;	943	ev_io *w;
895		944
896	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)
…		…
908	fd_event (EV_P_ int fd, int revents)	957	fd_event (EV_P_ int fd, int revents)
909	{	958	{
910	ANFD *anfd = anfds + fd;	959	ANFD *anfd = anfds + fd;
911		960
912	if (expect_true (!anfd->reify))	961	if (expect_true (!anfd->reify))
913	fd_event_nc (EV_A_ fd, revents);	962	fd_event_nocheck (EV_A_ fd, revents);
914	}	963	}
915		964
916	void	965	void
917	ev_feed_fd_event (EV_P_ int fd, int revents)	966	ev_feed_fd_event (EV_P_ int fd, int revents)
918	{	967	{
919	if (fd >= 0 && fd < anfdmax)	968	if (fd >= 0 && fd < anfdmax)
920	fd_event_nc (EV_A_ fd, revents);	969	fd_event_nocheck (EV_A_ fd, revents);
921	}	970	}
922		971
923	/* make sure the external fd watch events are in-sync */	972	/* make sure the external fd watch events are in-sync */
924	/* with the kernel/libev internal state */	973	/* with the kernel/libev internal state */
925	inline_size void	974	inline_size void
926	fd_reify (EV_P)	975	fd_reify (EV_P)
927	{	976	{
928	int i;	977	int i;
929		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
930	for (i = 0; i < fdchangecnt; ++i)	1004	for (i = 0; i < fdchangecnt; ++i)
931	{	1005	{
932	int fd = fdchanges [i];	1006	int fd = fdchanges [i];
933	ANFD *anfd = anfds + fd;	1007	ANFD *anfd = anfds + fd;
934	ev_io *w;	1008	ev_io *w;
935		1009
936	unsigned char events = 0;	1010	unsigned char o_events = anfd->events;
		1011	unsigned char o_reify = anfd->reify;
937		1012
938	for (w = (ev_io )anfd->head; w; w = (ev_io )((WL)w)->next)	1013	anfd->reify = 0;
939	events \|= (unsigned char)w->events;
940		1014
941	#if EV_SELECT_IS_WINSOCKET	1015	/if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation /
942	if (events)
943	{	1016	{
944	unsigned long arg;	1017	anfd->events = 0;
945	anfd->handle = EV_FD_TO_WIN32_HANDLE (fd);	1018
946	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 \|= */
947	}	1024	}
948	#endif
949		1025
950	{	1026	if (o_reify & EV__IOFDSET)
951	unsigned char o_events = anfd->events;
952	unsigned char o_reify = anfd->reify;
953
954	anfd->reify = 0;
955	anfd->events = events;
956
957	if (o_events != events \|\| o_reify & EV__IOFDSET)
958	backend_modify (EV_A_ fd, o_events, events);	1027	backend_modify (EV_A_ fd, o_events, anfd->events);
959	}
960	}	1028	}
961		1029
962	fdchangecnt = 0;	1030	fdchangecnt = 0;
963	}	1031	}
964		1032
…		…
988	ev_io_stop (EV_A_ w);	1056	ev_io_stop (EV_A_ w);
989	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);
990	}	1058	}
991	}	1059	}
992		1060
993	/* check whether the given fd is atcually valid, for error recovery */	1061	/* check whether the given fd is actually valid, for error recovery */
994	inline_size int	1062	inline_size int
995	fd_valid (int fd)	1063	fd_valid (int fd)
996	{	1064	{
997	#ifdef _WIN32	1065	#ifdef _WIN32
998	return EV_FD_TO_WIN32_HANDLE (fd) != -1;	1066	return EV_FD_TO_WIN32_HANDLE (fd) != -1;
…		…
1040	anfds [fd].emask = 0;	1108	anfds [fd].emask = 0;
1041	fd_change (EV_A_ fd, EV__IOFDSET \| EV_ANFD_REIFY);	1109	fd_change (EV_A_ fd, EV__IOFDSET \| EV_ANFD_REIFY);
1042	}	1110	}
1043	}	1111	}
1044		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
1045	/*****************************************************************************/	1127	/*****************************************************************************/
1046		1128
1047	/*	1129	/*
1048	* 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
1049	* 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
1050	* the branching factor of the d-tree.	1132	* the branching factor of the d-tree.
1051	*/	1133	*/
1052		1134
1053	/*	1135	/*
…		…
1201		1283
1202	static ANSIG signals [EV_NSIG - 1];	1284	static ANSIG signals [EV_NSIG - 1];
1203		1285
1204	/*****************************************************************************/	1286	/*****************************************************************************/
1205		1287
1206	/* used to prepare libev internal fd's */	1288	#if EV_SIGNAL_ENABLE \|\| EV_ASYNC_ENABLE
1207	/* this is not fork-safe */
1208	inline_speed void
1209	fd_intern (int fd)
1210	{
1211	#ifdef _WIN32
1212	unsigned long arg = 1;
1213	ioctlsocket (EV_FD_TO_WIN32_HANDLE (fd), FIONBIO, &arg);
1214	#else
1215	fcntl (fd, F_SETFD, FD_CLOEXEC);
1216	fcntl (fd, F_SETFL, O_NONBLOCK);
1217	#endif
1218	}
1219		1289
1220	static void noinline	1290	static void noinline
1221	evpipe_init (EV_P)	1291	evpipe_init (EV_P)
1222	{	1292	{
1223	if (!ev_is_active (&pipe_w))	1293	if (!ev_is_active (&pipe_w))
1224	{	1294	{
1225	#if EV_USE_EVENTFD	1295	# if EV_USE_EVENTFD
1226	evfd = eventfd (0, EFD_NONBLOCK \| EFD_CLOEXEC);	1296	evfd = eventfd (0, EFD_NONBLOCK \| EFD_CLOEXEC);
1227	if (evfd < 0 && errno == EINVAL)	1297	if (evfd < 0 && errno == EINVAL)
1228	evfd = eventfd (0, 0);	1298	evfd = eventfd (0, 0);
1229		1299
1230	if (evfd >= 0)	1300	if (evfd >= 0)
…		…
1232	evpipe [0] = -1;	1302	evpipe [0] = -1;
1233	fd_intern (evfd); /* doing it twice doesn't hurt */	1303	fd_intern (evfd); /* doing it twice doesn't hurt */
1234	ev_io_set (&pipe_w, evfd, EV_READ);	1304	ev_io_set (&pipe_w, evfd, EV_READ);
1235	}	1305	}
1236	else	1306	else
1237	#endif	1307	# endif
1238	{	1308	{
1239	while (pipe (evpipe))	1309	while (pipe (evpipe))
1240	ev_syserr ("(libev) error creating signal/async pipe");	1310	ev_syserr ("(libev) error creating signal/async pipe");
1241		1311
1242	fd_intern (evpipe [0]);	1312	fd_intern (evpipe [0]);
…		…
1253	evpipe_write (EV_P_ EV_ATOMIC_T *flag)	1323	evpipe_write (EV_P_ EV_ATOMIC_T *flag)
1254	{	1324	{
1255	if (!*flag)	1325	if (!*flag)
1256	{	1326	{
1257	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;
1258		1329
1259	*flag = 1;	1330	*flag = 1;
1260		1331
1261	#if EV_USE_EVENTFD	1332	#if EV_USE_EVENTFD
1262	if (evfd >= 0)	1333	if (evfd >= 0)
…		…
1264	uint64_t counter = 1;	1335	uint64_t counter = 1;
1265	write (evfd, &counter, sizeof (uint64_t));	1336	write (evfd, &counter, sizeof (uint64_t));
1266	}	1337	}
1267	else	1338	else
1268	#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. */
1269	write (evpipe [1], &old_errno, 1);	1345	write (evpipe [1], &dummy, 1);
1270		1346
1271	errno = old_errno;	1347	errno = old_errno;
1272	}	1348	}
1273	}	1349	}
1274		1350
…		…
1287	}	1363	}
1288	else	1364	else
1289	#endif	1365	#endif
1290	{	1366	{
1291	char dummy;	1367	char dummy;
		1368	/* see discussion in evpipe_write when you think this read should be recv in win32 */
1292	read (evpipe [0], &dummy, 1);	1369	read (evpipe [0], &dummy, 1);
1293	}	1370	}
1294		1371
		1372	#if EV_SIGNAL_ENABLE
1295	if (sig_pending)	1373	if (sig_pending)
1296	{	1374	{
1297	sig_pending = 0;	1375	sig_pending = 0;
1298		1376
1299	for (i = EV_NSIG - 1; i--; )	1377	for (i = EV_NSIG - 1; i--; )
1300	if (expect_false (signals [i].pending))	1378	if (expect_false (signals [i].pending))
1301	ev_feed_signal_event (EV_A_ i + 1);	1379	ev_feed_signal_event (EV_A_ i + 1);
1302	}	1380	}
		1381	#endif
1303		1382
1304	#if EV_ASYNC_ENABLE	1383	#if EV_ASYNC_ENABLE
1305	if (async_pending)	1384	if (async_pending)
1306	{	1385	{
1307	async_pending = 0;	1386	async_pending = 0;
…		…
1316	#endif	1395	#endif
1317	}	1396	}
1318		1397
1319	/*****************************************************************************/	1398	/*****************************************************************************/
1320		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
1321	static void	1414	static void
1322	ev_sighandler (int signum)	1415	ev_sighandler (int signum)
1323	{	1416	{
1324	#if EV_MULTIPLICITY
1325	EV_P = signals [signum - 1].loop;
1326	#endif
1327
1328	#ifdef _WIN32	1417	#ifdef _WIN32
1329	signal (signum, ev_sighandler);	1418	signal (signum, ev_sighandler);
1330	#endif	1419	#endif
1331		1420
1332	signals [signum - 1].pending = 1;	1421	ev_feed_signal (signum);
1333	evpipe_write (EV_A_ &sig_pending);
1334	}	1422	}
1335		1423
1336	void noinline	1424	void noinline
1337	ev_feed_signal_event (EV_P_ int signum)	1425	ev_feed_signal_event (EV_P_ int signum)
1338	{	1426	{
…		…
1375	break;	1463	break;
1376	}	1464	}
1377	}	1465	}
1378	#endif	1466	#endif
1379		1467
		1468	#endif
		1469
1380	/*****************************************************************************/	1470	/*****************************************************************************/
1381		1471
		1472	#if EV_CHILD_ENABLE
1382	static WL childs [EV_PID_HASHSIZE];	1473	static WL childs [EV_PID_HASHSIZE];
1383
1384	#ifndef _WIN32
1385		1474
1386	static ev_signal childev;	1475	static ev_signal childev;
1387		1476
1388	#ifndef WIFCONTINUED	1477	#ifndef WIFCONTINUED
1389	# define WIFCONTINUED(status) 0	1478	# define WIFCONTINUED(status) 0
…		…
1394	child_reap (EV_P_ int chain, int pid, int status)	1483	child_reap (EV_P_ int chain, int pid, int status)
1395	{	1484	{
1396	ev_child *w;	1485	ev_child *w;
1397	int traced = WIFSTOPPED (status) \|\| WIFCONTINUED (status);	1486	int traced = WIFSTOPPED (status) \|\| WIFCONTINUED (status);
1398		1487
1399	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)
1400	{	1489	{
1401	if ((w->pid == pid \|\| !w->pid)	1490	if ((w->pid == pid \|\| !w->pid)
1402	&& (!traced \|\| (w->flags & 1)))	1491	&& (!traced \|\| (w->flags & 1)))
1403	{	1492	{
1404	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 */
…		…
1429	/* 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 */
1430	/* 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 */
1431	ev_feed_event (EV_A_ (W)sw, EV_SIGNAL);	1520	ev_feed_event (EV_A_ (W)sw, EV_SIGNAL);
1432		1521
1433	child_reap (EV_A_ pid, pid, status);	1522	child_reap (EV_A_ pid, pid, status);
1434	if (EV_PID_HASHSIZE > 1)	1523	if ((EV_PID_HASHSIZE) > 1)
1435	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 */
1436	}	1525	}
1437		1526
1438	#endif	1527	#endif
1439		1528
1440	/*****************************************************************************/	1529	/*****************************************************************************/
1441		1530
		1531	#if EV_USE_IOCP
		1532	# include "ev_iocp.c"
		1533	#endif
1442	#if EV_USE_PORT	1534	#if EV_USE_PORT
1443	# include "ev_port.c"	1535	# include "ev_port.c"
1444	#endif	1536	#endif
1445	#if EV_USE_KQUEUE	1537	#if EV_USE_KQUEUE
1446	# include "ev_kqueue.c"	1538	# include "ev_kqueue.c"
…		…
1506	#ifdef __APPLE__	1598	#ifdef __APPLE__
1507	/* only select works correctly on that "unix-certified" platform */	1599	/* only select works correctly on that "unix-certified" platform */
1508	flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */	1600	flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */
1509	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 */
1510	#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
1511		1606
1512	return flags;	1607	return flags;
1513	}	1608	}
1514		1609
1515	unsigned int	1610	unsigned int
1516	ev_embeddable_backends (void)	1611	ev_embeddable_backends (void)
1517	{	1612	{
1518	int flags = EVBACKEND_EPOLL \| EVBACKEND_KQUEUE \| EVBACKEND_PORT;	1613	int flags = EVBACKEND_EPOLL \| EVBACKEND_KQUEUE \| EVBACKEND_PORT;
1519		1614
1520	/* 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 */
1521	/* please fix it and tell me how to detect the fix */	1616	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
1522	flags &= ~EVBACKEND_EPOLL;	1617	flags &= ~EVBACKEND_EPOLL;
1523		1618
1524	return flags;	1619	return flags;
1525	}	1620	}
1526		1621
1527	unsigned int	1622	unsigned int
1528	ev_backend (EV_P)	1623	ev_backend (EV_P)
1529	{	1624	{
1530	return backend;	1625	return backend;
1531	}	1626	}
1532		1627
1533	#if EV_MINIMAL < 2	1628	#if EV_FEATURE_API
1534	unsigned int	1629	unsigned int
1535	ev_loop_count (EV_P)	1630	ev_iteration (EV_P)
1536	{	1631	{
1537	return loop_count;	1632	return loop_count;
1538	}	1633	}
1539		1634
1540	unsigned int	1635	unsigned int
1541	ev_loop_depth (EV_P)	1636	ev_depth (EV_P)
1542	{	1637	{
1543	return loop_depth;	1638	return loop_depth;
1544	}	1639	}
1545		1640
1546	void	1641	void
…		…
1583	static void noinline	1678	static void noinline
1584	loop_init (EV_P_ unsigned int flags)	1679	loop_init (EV_P_ unsigned int flags)
1585	{	1680	{
1586	if (!backend)	1681	if (!backend)
1587	{	1682	{
		1683	origflags = flags;
		1684
1588	#if EV_USE_REALTIME	1685	#if EV_USE_REALTIME
1589	if (!have_realtime)	1686	if (!have_realtime)
1590	{	1687	{
1591	struct timespec ts;	1688	struct timespec ts;
1592		1689
…		…
1618		1715
1619	ev_rt_now = ev_time ();	1716	ev_rt_now = ev_time ();
1620	mn_now = get_clock ();	1717	mn_now = get_clock ();
1621	now_floor = mn_now;	1718	now_floor = mn_now;
1622	rtmn_diff = ev_rt_now - mn_now;	1719	rtmn_diff = ev_rt_now - mn_now;
1623	#if EV_MINIMAL < 2	1720	#if EV_FEATURE_API
1624	invoke_cb = ev_invoke_pending;	1721	invoke_cb = ev_invoke_pending;
1625	#endif	1722	#endif
1626		1723
1627	io_blocktime = 0.;	1724	io_blocktime = 0.;
1628	timeout_blocktime = 0.;	1725	timeout_blocktime = 0.;
…		…
1637	#endif	1734	#endif
1638	#if EV_USE_SIGNALFD	1735	#if EV_USE_SIGNALFD
1639	sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;	1736	sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;
1640	#endif	1737	#endif
1641		1738
1642	if (!(flags & 0x0000ffffU))	1739	if (!(flags & EVBACKEND_MASK))
1643	flags \|= ev_recommended_backends ();	1740	flags \|= ev_recommended_backends ();
1644		1741
		1742	#if EV_USE_IOCP
		1743	if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags);
		1744	#endif
1645	#if EV_USE_PORT	1745	#if EV_USE_PORT
1646	if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);	1746	if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);
1647	#endif	1747	#endif
1648	#if EV_USE_KQUEUE	1748	#if EV_USE_KQUEUE
1649	if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags);	1749	if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags);
…		…
1658	if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags);	1758	if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags);
1659	#endif	1759	#endif
1660		1760
1661	ev_prepare_init (&pending_w, pendingcb);	1761	ev_prepare_init (&pending_w, pendingcb);
1662		1762
		1763	#if EV_SIGNAL_ENABLE \|\| EV_ASYNC_ENABLE
1663	ev_init (&pipe_w, pipecb);	1764	ev_init (&pipe_w, pipecb);
1664	ev_set_priority (&pipe_w, EV_MAXPRI);	1765	ev_set_priority (&pipe_w, EV_MAXPRI);
		1766	#endif
1665	}	1767	}
1666	}	1768	}
1667		1769
1668	/* free up a loop structure */	1770	/* free up a loop structure */
1669	static void noinline	1771	void
1670	loop_destroy (EV_P)	1772	ev_loop_destroy (EV_P)
1671	{	1773	{
1672	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
1673		1798
1674	if (ev_is_active (&pipe_w))	1799	if (ev_is_active (&pipe_w))
1675	{	1800	{
1676	/ev_ref (EV_A);/	1801	/ev_ref (EV_A);/
1677	/ev_io_stop (EV_A_ &pipe_w);/	1802	/ev_io_stop (EV_A_ &pipe_w);/
…		…
1699	#endif	1824	#endif
1700		1825
1701	if (backend_fd >= 0)	1826	if (backend_fd >= 0)
1702	close (backend_fd);	1827	close (backend_fd);
1703		1828
		1829	#if EV_USE_IOCP
		1830	if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A);
		1831	#endif
1704	#if EV_USE_PORT	1832	#if EV_USE_PORT
1705	if (backend == EVBACKEND_PORT ) port_destroy (EV_A);	1833	if (backend == EVBACKEND_PORT ) port_destroy (EV_A);
1706	#endif	1834	#endif
1707	#if EV_USE_KQUEUE	1835	#if EV_USE_KQUEUE
1708	if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A);	1836	if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A);
…		…
1735	array_free (periodic, EMPTY);	1863	array_free (periodic, EMPTY);
1736	#endif	1864	#endif
1737	#if EV_FORK_ENABLE	1865	#if EV_FORK_ENABLE
1738	array_free (fork, EMPTY);	1866	array_free (fork, EMPTY);
1739	#endif	1867	#endif
		1868	#if EV_CLEANUP_ENABLE
		1869	array_free (cleanup, EMPTY);
		1870	#endif
1740	array_free (prepare, EMPTY);	1871	array_free (prepare, EMPTY);
1741	array_free (check, EMPTY);	1872	array_free (check, EMPTY);
1742	#if EV_ASYNC_ENABLE	1873	#if EV_ASYNC_ENABLE
1743	array_free (async, EMPTY);	1874	array_free (async, EMPTY);
1744	#endif	1875	#endif
1745		1876
1746	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
1747	}	1887	}
1748		1888
1749	#if EV_USE_INOTIFY	1889	#if EV_USE_INOTIFY
1750	inline_size void infy_fork (EV_P);	1890	inline_size void infy_fork (EV_P);
1751	#endif	1891	#endif
…		…
1787	{	1927	{
1788	EV_WIN32_CLOSE_FD (evpipe [0]);	1928	EV_WIN32_CLOSE_FD (evpipe [0]);
1789	EV_WIN32_CLOSE_FD (evpipe [1]);	1929	EV_WIN32_CLOSE_FD (evpipe [1]);
1790	}	1930	}
1791		1931
		1932	#if EV_SIGNAL_ENABLE \|\| EV_ASYNC_ENABLE
1792	evpipe_init (EV_A);	1933	evpipe_init (EV_A);
1793	/* now iterate over everything, in case we missed something */	1934	/* now iterate over everything, in case we missed something */
1794	pipecb (EV_A_ &pipe_w, EV_READ);	1935	pipecb (EV_A_ &pipe_w, EV_READ);
		1936	#endif
1795	}	1937	}
1796		1938
1797	postfork = 0;	1939	postfork = 0;
1798	}	1940	}
1799		1941
…		…
1808	loop_init (EV_A_ flags);	1950	loop_init (EV_A_ flags);
1809		1951
1810	if (ev_backend (EV_A))	1952	if (ev_backend (EV_A))
1811	return EV_A;	1953	return EV_A;
1812		1954
		1955	ev_free (EV_A);
1813	return 0;	1956	return 0;
1814	}	1957	}
1815		1958
1816	void
1817	ev_loop_destroy (EV_P)
1818	{
1819	loop_destroy (EV_A);
1820	ev_free (loop);
1821	}
1822
1823	void
1824	ev_loop_fork (EV_P)
1825	{
1826	postfork = 1; /* must be in line with ev_default_fork */
1827	}
1828	#endif /* multiplicity */	1959	#endif /* multiplicity */
1829		1960
1830	#if EV_VERIFY	1961	#if EV_VERIFY
1831	static void noinline	1962	static void noinline
1832	verify_watcher (EV_P_ W w)	1963	verify_watcher (EV_P_ W w)
…		…
1861	verify_watcher (EV_A_ ws [cnt]);	1992	verify_watcher (EV_A_ ws [cnt]);
1862	}	1993	}
1863	}	1994	}
1864	#endif	1995	#endif
1865		1996
1866	#if EV_MINIMAL < 2	1997	#if EV_FEATURE_API
1867	void	1998	void
1868	ev_loop_verify (EV_P)	1999	ev_verify (EV_P)
1869	{	2000	{
1870	#if EV_VERIFY	2001	#if EV_VERIFY
1871	int i;	2002	int i;
1872	WL w;	2003	WL w;
1873		2004
…		…
1907	#if EV_FORK_ENABLE	2038	#if EV_FORK_ENABLE
1908	assert (forkmax >= forkcnt);	2039	assert (forkmax >= forkcnt);
1909	array_verify (EV_A_ (W *)forks, forkcnt);	2040	array_verify (EV_A_ (W *)forks, forkcnt);
1910	#endif	2041	#endif
1911		2042
		2043	#if EV_CLEANUP_ENABLE
		2044	assert (cleanupmax >= cleanupcnt);
		2045	array_verify (EV_A_ (W *)cleanups, cleanupcnt);
		2046	#endif
		2047
1912	#if EV_ASYNC_ENABLE	2048	#if EV_ASYNC_ENABLE
1913	assert (asyncmax >= asynccnt);	2049	assert (asyncmax >= asynccnt);
1914	array_verify (EV_A_ (W *)asyncs, asynccnt);	2050	array_verify (EV_A_ (W *)asyncs, asynccnt);
1915	#endif	2051	#endif
1916		2052
		2053	#if EV_PREPARE_ENABLE
1917	assert (preparemax >= preparecnt);	2054	assert (preparemax >= preparecnt);
1918	array_verify (EV_A_ (W *)prepares, preparecnt);	2055	array_verify (EV_A_ (W *)prepares, preparecnt);
		2056	#endif
1919		2057
		2058	#if EV_CHECK_ENABLE
1920	assert (checkmax >= checkcnt);	2059	assert (checkmax >= checkcnt);
1921	array_verify (EV_A_ (W *)checks, checkcnt);	2060	array_verify (EV_A_ (W *)checks, checkcnt);
		2061	#endif
1922		2062
1923	# if 0	2063	# if 0
		2064	#if EV_CHILD_ENABLE
1924	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)
1925	for (signum = EV_NSIG; signum--; ) if (signals [signum].pending)	2066	for (signum = EV_NSIG; signum--; ) if (signals [signum].pending)
		2067	#endif
1926	# endif	2068	# endif
1927	#endif	2069	#endif
1928	}	2070	}
1929	#endif	2071	#endif
1930		2072
1931	#if EV_MULTIPLICITY	2073	#if EV_MULTIPLICITY
1932	struct ev_loop *	2074	struct ev_loop *
1933	ev_default_loop_init (unsigned int flags)
1934	#else	2075	#else
1935	int	2076	int
		2077	#endif
1936	ev_default_loop (unsigned int flags)	2078	ev_default_loop (unsigned int flags)
1937	#endif
1938	{	2079	{
1939	if (!ev_default_loop_ptr)	2080	if (!ev_default_loop_ptr)
1940	{	2081	{
1941	#if EV_MULTIPLICITY	2082	#if EV_MULTIPLICITY
1942	EV_P = ev_default_loop_ptr = &default_loop_struct;	2083	EV_P = ev_default_loop_ptr = &default_loop_struct;
…		…
1946		2087
1947	loop_init (EV_A_ flags);	2088	loop_init (EV_A_ flags);
1948		2089
1949	if (ev_backend (EV_A))	2090	if (ev_backend (EV_A))
1950	{	2091	{
1951	#ifndef _WIN32	2092	#if EV_CHILD_ENABLE
1952	ev_signal_init (&childev, childcb, SIGCHLD);	2093	ev_signal_init (&childev, childcb, SIGCHLD);
1953	ev_set_priority (&childev, EV_MAXPRI);	2094	ev_set_priority (&childev, EV_MAXPRI);
1954	ev_signal_start (EV_A_ &childev);	2095	ev_signal_start (EV_A_ &childev);
1955	ev_unref (EV_A); /* child watcher should not keep loop alive */	2096	ev_unref (EV_A); /* child watcher should not keep loop alive */
1956	#endif	2097	#endif
…		…
1961		2102
1962	return ev_default_loop_ptr;	2103	return ev_default_loop_ptr;
1963	}	2104	}
1964		2105
1965	void	2106	void
1966	ev_default_destroy (void)	2107	ev_loop_fork (EV_P)
1967	{	2108	{
1968	#if EV_MULTIPLICITY
1969	EV_P = ev_default_loop_ptr;
1970	#endif
1971
1972	ev_default_loop_ptr = 0;
1973
1974	#ifndef _WIN32
1975	ev_ref (EV_A); /* child watcher */
1976	ev_signal_stop (EV_A_ &childev);
1977	#endif
1978
1979	loop_destroy (EV_A);
1980	}
1981
1982	void
1983	ev_default_fork (void)
1984	{
1985	#if EV_MULTIPLICITY
1986	EV_P = ev_default_loop_ptr;
1987	#endif
1988
1989	postfork = 1; /* must be in line with ev_loop_fork */	2109	postfork = 1; /* must be in line with ev_default_fork */
1990	}	2110	}
1991		2111
1992	/*****************************************************************************/	2112	/*****************************************************************************/
1993		2113
1994	void	2114	void
…		…
2016		2136
2017	for (pri = NUMPRI; pri--; )	2137	for (pri = NUMPRI; pri--; )
2018	while (pendingcnt [pri])	2138	while (pendingcnt [pri])
2019	{	2139	{
2020	ANPENDING *p = pendings [pri] + --pendingcnt [pri];	2140	ANPENDING *p = pendings [pri] + --pendingcnt [pri];
2021
2022	/assert (("libev: non-pending watcher on pending list", p->w->pending));/
2023	/* ^ this is no longer true, as pending_w could be here */
2024		2141
2025	p->w->pending = 0;	2142	p->w->pending = 0;
2026	EV_CB_INVOKE (p->w, p->events);	2143	EV_CB_INVOKE (p->w, p->events);
2027	EV_FREQUENT_CHECK;	2144	EV_FREQUENT_CHECK;
2028	}	2145	}
…		…
2085	EV_FREQUENT_CHECK;	2202	EV_FREQUENT_CHECK;
2086	feed_reverse (EV_A_ (W)w);	2203	feed_reverse (EV_A_ (W)w);
2087	}	2204	}
2088	while (timercnt && ANHE_at (timers [HEAP0]) < mn_now);	2205	while (timercnt && ANHE_at (timers [HEAP0]) < mn_now);
2089		2206
2090	feed_reverse_done (EV_A_ EV_TIMEOUT);	2207	feed_reverse_done (EV_A_ EV_TIMER);
2091	}	2208	}
2092	}	2209	}
2093		2210
2094	#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
2095	/* make periodics pending */	2221	/* make periodics pending */
2096	inline_size void	2222	inline_size void
2097	periodics_reify (EV_P)	2223	periodics_reify (EV_P)
2098	{	2224	{
2099	EV_FREQUENT_CHECK;	2225	EV_FREQUENT_CHECK;
…		…
2118	ANHE_at_cache (periodics [HEAP0]);	2244	ANHE_at_cache (periodics [HEAP0]);
2119	downheap (periodics, periodiccnt, HEAP0);	2245	downheap (periodics, periodiccnt, HEAP0);
2120	}	2246	}
2121	else if (w->interval)	2247	else if (w->interval)
2122	{	2248	{
2123	ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;	2249	periodic_recalc (EV_A_ w);
		2250
2124	/* 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 */
2125	/* this might happen because of floating point inexactness */	2252	/* this might happen because of floating point inexactness */
2126	if (ev_at (w) - ev_rt_now < TIME_EPSILON)	2253	if (ev_at (w) - ev_rt_now < TIME_EPSILON)
2127	{	2254	{
2128	ev_at (w) += w->interval;	2255	ev_at (w) += w->interval;
…		…
2148	feed_reverse_done (EV_A_ EV_PERIODIC);	2275	feed_reverse_done (EV_A_ EV_PERIODIC);
2149	}	2276	}
2150	}	2277	}
2151		2278
2152	/* simply recalculate all periodics */	2279	/* simply recalculate all periodics */
2153	/* 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? */
2154	static void noinline	2281	static void noinline
2155	periodics_reschedule (EV_P)	2282	periodics_reschedule (EV_P)
2156	{	2283	{
2157	int i;	2284	int i;
2158		2285
…		…
2162	ev_periodic w = (ev_periodic )ANHE_w (periodics [i]);	2289	ev_periodic w = (ev_periodic )ANHE_w (periodics [i]);
2163		2290
2164	if (w->reschedule_cb)	2291	if (w->reschedule_cb)
2165	ev_at (w) = w->reschedule_cb (w, ev_rt_now);	2292	ev_at (w) = w->reschedule_cb (w, ev_rt_now);
2166	else if (w->interval)	2293	else if (w->interval)
2167	ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;	2294	periodic_recalc (EV_A_ w);
2168		2295
2169	ANHE_at_cache (periodics [i]);	2296	ANHE_at_cache (periodics [i]);
2170	}	2297	}
2171		2298
2172	reheap (periodics, periodiccnt);	2299	reheap (periodics, periodiccnt);
…		…
2254	mn_now = ev_rt_now;	2381	mn_now = ev_rt_now;
2255	}	2382	}
2256	}	2383	}
2257		2384
2258	void	2385	void
2259	ev_loop (EV_P_ int flags)	2386	ev_run (EV_P_ int flags)
2260	{	2387	{
2261	#if EV_MINIMAL < 2	2388	#if EV_FEATURE_API
2262	++loop_depth;	2389	++loop_depth;
2263	#endif	2390	#endif
2264		2391
2265	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));
2266		2393
2267	loop_done = EVUNLOOP_CANCEL;	2394	loop_done = EVBREAK_CANCEL;
2268		2395
2269	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 */
2270		2397
2271	do	2398	do
2272	{	2399	{
2273	#if EV_VERIFY >= 2	2400	#if EV_VERIFY >= 2
2274	ev_loop_verify (EV_A);	2401	ev_verify (EV_A);
2275	#endif	2402	#endif
2276		2403
2277	#ifndef _WIN32	2404	#ifndef _WIN32
2278	if (expect_false (curpid)) /* penalise the forking check even more */	2405	if (expect_false (curpid)) /* penalise the forking check even more */
2279	if (expect_false (getpid () != curpid))	2406	if (expect_false (getpid () != curpid))
…		…
2291	queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);	2418	queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);
2292	EV_INVOKE_PENDING;	2419	EV_INVOKE_PENDING;
2293	}	2420	}
2294	#endif	2421	#endif
2295		2422
		2423	#if EV_PREPARE_ENABLE
2296	/* queue prepare watchers (and execute them) */	2424	/* queue prepare watchers (and execute them) */
2297	if (expect_false (preparecnt))	2425	if (expect_false (preparecnt))
2298	{	2426	{
2299	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);	2427	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
2300	EV_INVOKE_PENDING;	2428	EV_INVOKE_PENDING;
2301	}	2429	}
		2430	#endif
2302		2431
2303	if (expect_false (loop_done))	2432	if (expect_false (loop_done))
2304	break;	2433	break;
2305		2434
2306	/* we might have forked, so reify kernel state if necessary */	2435	/* we might have forked, so reify kernel state if necessary */
…		…
2313	/* calculate blocking time */	2442	/* calculate blocking time */
2314	{	2443	{
2315	ev_tstamp waittime = 0.;	2444	ev_tstamp waittime = 0.;
2316	ev_tstamp sleeptime = 0.;	2445	ev_tstamp sleeptime = 0.;
2317		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
2318	if (expect_true (!(flags & EVLOOP_NONBLOCK \|\| idleall \|\| !activecnt)))	2453	if (expect_true (!(flags & EVRUN_NOWAIT \|\| idleall \|\| !activecnt)))
2319	{	2454	{
2320	/* remember old timestamp for io_blocktime calculation */
2321	ev_tstamp prev_mn_now = mn_now;
2322
2323	/* update time to cancel out callback processing overhead */
2324	time_update (EV_A_ 1e100);
2325
2326	waittime = MAX_BLOCKTIME;	2455	waittime = MAX_BLOCKTIME;
2327		2456
2328	if (timercnt)	2457	if (timercnt)
2329	{	2458	{
2330	ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge;	2459	ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge;
…		…
2357	waittime -= sleeptime;	2486	waittime -= sleeptime;
2358	}	2487	}
2359	}	2488	}
2360	}	2489	}
2361		2490
2362	#if EV_MINIMAL < 2	2491	#if EV_FEATURE_API
2363	++loop_count;	2492	++loop_count;
2364	#endif	2493	#endif
2365	assert ((loop_done = EVUNLOOP_RECURSE, 1)); /* assert for side effect */	2494	assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */
2366	backend_poll (EV_A_ waittime);	2495	backend_poll (EV_A_ waittime);
2367	assert ((loop_done = EVUNLOOP_CANCEL, 1)); /* assert for side effect */	2496	assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */
2368		2497
2369	/* update ev_rt_now, do magic */	2498	/* update ev_rt_now, do magic */
2370	time_update (EV_A_ waittime + sleeptime);	2499	time_update (EV_A_ waittime + sleeptime);
2371	}	2500	}
2372		2501
…		…
2379	#if EV_IDLE_ENABLE	2508	#if EV_IDLE_ENABLE
2380	/* queue idle watchers unless other events are pending */	2509	/* queue idle watchers unless other events are pending */
2381	idle_reify (EV_A);	2510	idle_reify (EV_A);
2382	#endif	2511	#endif
2383		2512
		2513	#if EV_CHECK_ENABLE
2384	/* queue check watchers, to be executed first */	2514	/* queue check watchers, to be executed first */
2385	if (expect_false (checkcnt))	2515	if (expect_false (checkcnt))
2386	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);	2516	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
		2517	#endif
2387		2518
2388	EV_INVOKE_PENDING;	2519	EV_INVOKE_PENDING;
2389	}	2520	}
2390	while (expect_true (	2521	while (expect_true (
2391	activecnt	2522	activecnt
2392	&& !loop_done	2523	&& !loop_done
2393	&& !(flags & (EVLOOP_ONESHOT \| EVLOOP_NONBLOCK))	2524	&& !(flags & (EVRUN_ONCE \| EVRUN_NOWAIT))
2394	));	2525	));
2395		2526
2396	if (loop_done == EVUNLOOP_ONE)	2527	if (loop_done == EVBREAK_ONE)
2397	loop_done = EVUNLOOP_CANCEL;	2528	loop_done = EVBREAK_CANCEL;
2398		2529
2399	#if EV_MINIMAL < 2	2530	#if EV_FEATURE_API
2400	--loop_depth;	2531	--loop_depth;
2401	#endif	2532	#endif
2402	}	2533	}
2403		2534
2404	void	2535	void
2405	ev_unloop (EV_P_ int how)	2536	ev_break (EV_P_ int how)
2406	{	2537	{
2407	loop_done = how;	2538	loop_done = how;
2408	}	2539	}
2409		2540
2410	void	2541	void
…		…
2558	EV_FREQUENT_CHECK;	2689	EV_FREQUENT_CHECK;
2559		2690
2560	wlist_del (&anfds[w->fd].head, (WL)w);	2691	wlist_del (&anfds[w->fd].head, (WL)w);
2561	ev_stop (EV_A_ (W)w);	2692	ev_stop (EV_A_ (W)w);
2562		2693
2563	fd_change (EV_A_ w->fd, 1);	2694	fd_change (EV_A_ w->fd, EV_ANFD_REIFY);
2564		2695
2565	EV_FREQUENT_CHECK;	2696	EV_FREQUENT_CHECK;
2566	}	2697	}
2567		2698
2568	void noinline	2699	void noinline
…		…
2660	if (w->reschedule_cb)	2791	if (w->reschedule_cb)
2661	ev_at (w) = w->reschedule_cb (w, ev_rt_now);	2792	ev_at (w) = w->reschedule_cb (w, ev_rt_now);
2662	else if (w->interval)	2793	else if (w->interval)
2663	{	2794	{
2664	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.));
2665	/* this formula differs from the one in periodic_reify because we do not always round up */	2796	periodic_recalc (EV_A_ w);
2666	ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
2667	}	2797	}
2668	else	2798	else
2669	ev_at (w) = w->offset;	2799	ev_at (w) = w->offset;
2670		2800
2671	EV_FREQUENT_CHECK;	2801	EV_FREQUENT_CHECK;
…		…
2720	#endif	2850	#endif
2721		2851
2722	#ifndef SA_RESTART	2852	#ifndef SA_RESTART
2723	# define SA_RESTART 0	2853	# define SA_RESTART 0
2724	#endif	2854	#endif
		2855
		2856	#if EV_SIGNAL_ENABLE
2725		2857
2726	void noinline	2858	void noinline
2727	ev_signal_start (EV_P_ ev_signal *w)	2859	ev_signal_start (EV_P_ ev_signal *w)
2728	{	2860	{
2729	if (expect_false (ev_is_active (w)))	2861	if (expect_false (ev_is_active (w)))
…		…
2790	sa.sa_handler = ev_sighandler;	2922	sa.sa_handler = ev_sighandler;
2791	sigfillset (&sa.sa_mask);	2923	sigfillset (&sa.sa_mask);
2792	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 */
2793	sigaction (w->signum, &sa, 0);	2925	sigaction (w->signum, &sa, 0);
2794		2926
		2927	if (origflags & EVFLAG_NOSIGMASK)
		2928	{
2795	sigemptyset (&sa.sa_mask);	2929	sigemptyset (&sa.sa_mask);
2796	sigaddset (&sa.sa_mask, w->signum);	2930	sigaddset (&sa.sa_mask, w->signum);
2797	sigprocmask (SIG_UNBLOCK, &sa.sa_mask, 0);	2931	sigprocmask (SIG_UNBLOCK, &sa.sa_mask, 0);
		2932	}
2798	#endif	2933	#endif
2799	}	2934	}
2800		2935
2801	EV_FREQUENT_CHECK;	2936	EV_FREQUENT_CHECK;
2802	}	2937	}
…		…
2836	}	2971	}
2837		2972
2838	EV_FREQUENT_CHECK;	2973	EV_FREQUENT_CHECK;
2839	}	2974	}
2840		2975
		2976	#endif
		2977
		2978	#if EV_CHILD_ENABLE
		2979
2841	void	2980	void
2842	ev_child_start (EV_P_ ev_child *w)	2981	ev_child_start (EV_P_ ev_child *w)
2843	{	2982	{
2844	#if EV_MULTIPLICITY	2983	#if EV_MULTIPLICITY
2845	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));
…		…
2848	return;	2987	return;
2849		2988
2850	EV_FREQUENT_CHECK;	2989	EV_FREQUENT_CHECK;
2851		2990
2852	ev_start (EV_A_ (W)w, 1);	2991	ev_start (EV_A_ (W)w, 1);
2853	wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);	2992	wlist_add (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w);
2854		2993
2855	EV_FREQUENT_CHECK;	2994	EV_FREQUENT_CHECK;
2856	}	2995	}
2857		2996
2858	void	2997	void
…		…
2862	if (expect_false (!ev_is_active (w)))	3001	if (expect_false (!ev_is_active (w)))
2863	return;	3002	return;
2864		3003
2865	EV_FREQUENT_CHECK;	3004	EV_FREQUENT_CHECK;
2866		3005
2867	wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);	3006	wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w);
2868	ev_stop (EV_A_ (W)w);	3007	ev_stop (EV_A_ (W)w);
2869		3008
2870	EV_FREQUENT_CHECK;	3009	EV_FREQUENT_CHECK;
2871	}	3010	}
		3011
		3012	#endif
2872		3013
2873	#if EV_STAT_ENABLE	3014	#if EV_STAT_ENABLE
2874		3015
2875	# ifdef _WIN32	3016	# ifdef _WIN32
2876	# undef lstat	3017	# undef lstat
…		…
2937	if (!pend \|\| pend == path)	3078	if (!pend \|\| pend == path)
2938	break;	3079	break;
2939		3080
2940	*pend = 0;	3081	*pend = 0;
2941	w->wd = inotify_add_watch (fs_fd, path, mask);	3082	w->wd = inotify_add_watch (fs_fd, path, mask);
2942	}	3083	}
2943	while (w->wd < 0 && (errno == ENOENT \|\| errno == EACCES));	3084	while (w->wd < 0 && (errno == ENOENT \|\| errno == EACCES));
2944	}	3085	}
2945	}	3086	}
2946		3087
2947	if (w->wd >= 0)	3088	if (w->wd >= 0)
2948	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);
2949		3090
2950	/* now re-arm timer, if required */	3091	/* now re-arm timer, if required */
2951	if (ev_is_active (&w->timer)) ev_ref (EV_A);	3092	if (ev_is_active (&w->timer)) ev_ref (EV_A);
2952	ev_timer_again (EV_A_ &w->timer);	3093	ev_timer_again (EV_A_ &w->timer);
2953	if (ev_is_active (&w->timer)) ev_unref (EV_A);	3094	if (ev_is_active (&w->timer)) ev_unref (EV_A);
…		…
2961		3102
2962	if (wd < 0)	3103	if (wd < 0)
2963	return;	3104	return;
2964		3105
2965	w->wd = -2;	3106	w->wd = -2;
2966	slot = wd & (EV_INOTIFY_HASHSIZE - 1);	3107	slot = wd & ((EV_INOTIFY_HASHSIZE) - 1);
2967	wlist_del (&fs_hash [slot].head, (WL)w);	3108	wlist_del (&fs_hash [slot].head, (WL)w);
2968		3109
2969	/* remove this watcher, if others are watching it, they will rearm */	3110	/* remove this watcher, if others are watching it, they will rearm */
2970	inotify_rm_watch (fs_fd, wd);	3111	inotify_rm_watch (fs_fd, wd);
2971	}	3112	}
…		…
2973	static void noinline	3114	static void noinline
2974	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)
2975	{	3116	{
2976	if (slot < 0)	3117	if (slot < 0)
2977	/* overflow, need to check for all hash slots */	3118	/* overflow, need to check for all hash slots */
2978	for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot)	3119	for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)
2979	infy_wd (EV_A_ slot, wd, ev);	3120	infy_wd (EV_A_ slot, wd, ev);
2980	else	3121	else
2981	{	3122	{
2982	WL w_;	3123	WL w_;
2983		3124
2984	for (w_ = fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head; w_; )	3125	for (w_ = fs_hash [slot & ((EV_INOTIFY_HASHSIZE) - 1)].head; w_; )
2985	{	3126	{
2986	ev_stat w = (ev_stat )w_;	3127	ev_stat w = (ev_stat )w_;
2987	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 */
2988		3129
2989	if (w->wd == wd \|\| wd == -1)	3130	if (w->wd == wd \|\| wd == -1)
2990	{	3131	{
2991	if (ev->mask & (IN_IGNORED \| IN_UNMOUNT \| IN_DELETE_SELF))	3132	if (ev->mask & (IN_IGNORED \| IN_UNMOUNT \| IN_DELETE_SELF))
2992	{	3133	{
2993	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);
2994	w->wd = -1;	3135	w->wd = -1;
2995	infy_add (EV_A_ w); /* re-add, no matter what */	3136	infy_add (EV_A_ w); /* re-add, no matter what */
2996	}	3137	}
2997		3138
2998	stat_timer_cb (EV_A_ &w->timer, 0);	3139	stat_timer_cb (EV_A_ &w->timer, 0);
…		…
3012	{	3153	{
3013	struct inotify_event ev = (struct inotify_event )(buf + ofs);	3154	struct inotify_event ev = (struct inotify_event )(buf + ofs);
3014	infy_wd (EV_A_ ev->wd, ev->wd, ev);	3155	infy_wd (EV_A_ ev->wd, ev->wd, ev);
3015	ofs += sizeof (struct inotify_event) + ev->len;	3156	ofs += sizeof (struct inotify_event) + ev->len;
3016	}	3157	}
3017	}
3018
3019	inline_size unsigned int
3020	ev_linux_version (void)
3021	{
3022	struct utsname buf;
3023	unsigned int v;
3024	int i;
3025	char *p = buf.release;
3026
3027	if (uname (&buf))
3028	return 0;
3029
3030	for (i = 3+1; --i; )
3031	{
3032	unsigned int c = 0;
3033
3034	for (;;)
3035	{
3036	if (p >= '0' && p <= '9')
3037	c = c * 10 + *p++ - '0';
3038	else
3039	{
3040	p += *p == '.';
3041	break;
3042	}
3043	}
3044
3045	v = (v << 8) \| c;
3046	}
3047
3048	return v;
3049	}	3158	}
3050		3159
3051	inline_size void	3160	inline_size void
3052	ev_check_2625 (EV_P)	3161	ev_check_2625 (EV_P)
3053	{	3162	{
…		…
3112	ev_io_set (&fs_w, fs_fd, EV_READ);	3221	ev_io_set (&fs_w, fs_fd, EV_READ);
3113	ev_io_start (EV_A_ &fs_w);	3222	ev_io_start (EV_A_ &fs_w);
3114	ev_unref (EV_A);	3223	ev_unref (EV_A);
3115	}	3224	}
3116		3225
3117	for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot)	3226	for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)
3118	{	3227	{
3119	WL w_ = fs_hash [slot].head;	3228	WL w_ = fs_hash [slot].head;
3120	fs_hash [slot].head = 0;	3229	fs_hash [slot].head = 0;
3121		3230
3122	while (w_)	3231	while (w_)
…		…
3297		3406
3298	EV_FREQUENT_CHECK;	3407	EV_FREQUENT_CHECK;
3299	}	3408	}
3300	#endif	3409	#endif
3301		3410
		3411	#if EV_PREPARE_ENABLE
3302	void	3412	void
3303	ev_prepare_start (EV_P_ ev_prepare *w)	3413	ev_prepare_start (EV_P_ ev_prepare *w)
3304	{	3414	{
3305	if (expect_false (ev_is_active (w)))	3415	if (expect_false (ev_is_active (w)))
3306	return;	3416	return;
…		…
3332		3442
3333	ev_stop (EV_A_ (W)w);	3443	ev_stop (EV_A_ (W)w);
3334		3444
3335	EV_FREQUENT_CHECK;	3445	EV_FREQUENT_CHECK;
3336	}	3446	}
		3447	#endif
3337		3448
		3449	#if EV_CHECK_ENABLE
3338	void	3450	void
3339	ev_check_start (EV_P_ ev_check *w)	3451	ev_check_start (EV_P_ ev_check *w)
3340	{	3452	{
3341	if (expect_false (ev_is_active (w)))	3453	if (expect_false (ev_is_active (w)))
3342	return;	3454	return;
…		…
3368		3480
3369	ev_stop (EV_A_ (W)w);	3481	ev_stop (EV_A_ (W)w);
3370		3482
3371	EV_FREQUENT_CHECK;	3483	EV_FREQUENT_CHECK;
3372	}	3484	}
		3485	#endif
3373		3486
3374	#if EV_EMBED_ENABLE	3487	#if EV_EMBED_ENABLE
3375	void noinline	3488	void noinline
3376	ev_embed_sweep (EV_P_ ev_embed *w)	3489	ev_embed_sweep (EV_P_ ev_embed *w)
3377	{	3490	{
3378	ev_loop (w->other, EVLOOP_NONBLOCK);	3491	ev_run (w->other, EVRUN_NOWAIT);
3379	}	3492	}
3380		3493
3381	static void	3494	static void
3382	embed_io_cb (EV_P_ ev_io *io, int revents)	3495	embed_io_cb (EV_P_ ev_io *io, int revents)
3383	{	3496	{
3384	ev_embed w = (ev_embed )(((char *)io) - offsetof (ev_embed, io));	3497	ev_embed w = (ev_embed )(((char *)io) - offsetof (ev_embed, io));
3385		3498
3386	if (ev_cb (w))	3499	if (ev_cb (w))
3387	ev_feed_event (EV_A_ (W)w, EV_EMBED);	3500	ev_feed_event (EV_A_ (W)w, EV_EMBED);
3388	else	3501	else
3389	ev_loop (w->other, EVLOOP_NONBLOCK);	3502	ev_run (w->other, EVRUN_NOWAIT);
3390	}	3503	}
3391		3504
3392	static void	3505	static void
3393	embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents)	3506	embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents)
3394	{	3507	{
…		…
3398	EV_P = w->other;	3511	EV_P = w->other;
3399		3512
3400	while (fdchangecnt)	3513	while (fdchangecnt)
3401	{	3514	{
3402	fd_reify (EV_A);	3515	fd_reify (EV_A);
3403	ev_loop (EV_A_ EVLOOP_NONBLOCK);	3516	ev_run (EV_A_ EVRUN_NOWAIT);
3404	}	3517	}
3405	}	3518	}
3406	}	3519	}
3407		3520
3408	static void	3521	static void
…		…
3414		3527
3415	{	3528	{
3416	EV_P = w->other;	3529	EV_P = w->other;
3417		3530
3418	ev_loop_fork (EV_A);	3531	ev_loop_fork (EV_A);
3419	ev_loop (EV_A_ EVLOOP_NONBLOCK);	3532	ev_run (EV_A_ EVRUN_NOWAIT);
3420	}	3533	}
3421		3534
3422	ev_embed_start (EV_A_ w);	3535	ev_embed_start (EV_A_ w);
3423	}	3536	}
3424		3537
…		…
3516		3629
3517	EV_FREQUENT_CHECK;	3630	EV_FREQUENT_CHECK;
3518	}	3631	}
3519	#endif	3632	#endif
3520		3633
3521	#if EV_ASYNC_ENABLE	3634	#if EV_CLEANUP_ENABLE
3522	void	3635	void
3523	ev_async_start (EV_P_ ev_async *w)	3636	ev_cleanup_start (EV_P_ ev_cleanup *w)
3524	{	3637	{
3525	if (expect_false (ev_is_active (w)))	3638	if (expect_false (ev_is_active (w)))
3526	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;
3527		3683
3528	evpipe_init (EV_A);	3684	evpipe_init (EV_A);
3529		3685
3530	EV_FREQUENT_CHECK;	3686	EV_FREQUENT_CHECK;
3531		3687
…		…
3609	{	3765	{
3610	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));
3611		3767
3612	if (expect_false (!once))	3768	if (expect_false (!once))
3613	{	3769	{
3614	cb (EV_ERROR \| EV_READ \| EV_WRITE \| EV_TIMEOUT, arg);	3770	cb (EV_ERROR \| EV_READ \| EV_WRITE \| EV_TIMER, arg);
3615	return;	3771	return;
3616	}	3772	}
3617		3773
3618	once->cb = cb;	3774	once->cb = cb;
3619	once->arg = arg;	3775	once->arg = arg;
…		…
3706	if (types & EV_ASYNC)	3862	if (types & EV_ASYNC)
3707	for (i = asynccnt; i--; )	3863	for (i = asynccnt; i--; )
3708	cb (EV_A_ EV_ASYNC, asyncs [i]);	3864	cb (EV_A_ EV_ASYNC, asyncs [i]);
3709	#endif	3865	#endif
3710		3866
		3867	#if EV_PREPARE_ENABLE
3711	if (types & EV_PREPARE)	3868	if (types & EV_PREPARE)
3712	for (i = preparecnt; i--; )	3869	for (i = preparecnt; i--; )
3713	#if EV_EMBED_ENABLE	3870	# if EV_EMBED_ENABLE
3714	if (ev_cb (prepares [i]) != embed_prepare_cb)	3871	if (ev_cb (prepares [i]) != embed_prepare_cb)
3715	#endif	3872	# endif
3716	cb (EV_A_ EV_PREPARE, prepares [i]);	3873	cb (EV_A_ EV_PREPARE, prepares [i]);
		3874	#endif
3717		3875
		3876	#if EV_CHECK_ENABLE
3718	if (types & EV_CHECK)	3877	if (types & EV_CHECK)
3719	for (i = checkcnt; i--; )	3878	for (i = checkcnt; i--; )
3720	cb (EV_A_ EV_CHECK, checks [i]);	3879	cb (EV_A_ EV_CHECK, checks [i]);
		3880	#endif
3721		3881
		3882	#if EV_SIGNAL_ENABLE
3722	if (types & EV_SIGNAL)	3883	if (types & EV_SIGNAL)
3723	for (i = 0; i < EV_NSIG - 1; ++i)	3884	for (i = 0; i < EV_NSIG - 1; ++i)
3724	for (wl = signals [i].head; wl; )	3885	for (wl = signals [i].head; wl; )
3725	{	3886	{
3726	wn = wl->next;	3887	wn = wl->next;
3727	cb (EV_A_ EV_SIGNAL, wl);	3888	cb (EV_A_ EV_SIGNAL, wl);
3728	wl = wn;	3889	wl = wn;
3729	}	3890	}
		3891	#endif
3730		3892
		3893	#if EV_CHILD_ENABLE
3731	if (types & EV_CHILD)	3894	if (types & EV_CHILD)
3732	for (i = EV_PID_HASHSIZE; i--; )	3895	for (i = (EV_PID_HASHSIZE); i--; )
3733	for (wl = childs [i]; wl; )	3896	for (wl = childs [i]; wl; )
3734	{	3897	{
3735	wn = wl->next;	3898	wn = wl->next;
3736	cb (EV_A_ EV_CHILD, wl);	3899	cb (EV_A_ EV_CHILD, wl);
3737	wl = wn;	3900	wl = wn;
3738	}	3901	}
		3902	#endif
3739	/* EV_STAT 0x00001000 /* stat data changed */	3903	/* EV_STAT 0x00001000 /* stat data changed */
3740	/* EV_EMBED 0x00010000 /* embedded event loop needs sweep */	3904	/* EV_EMBED 0x00010000 /* embedded event loop needs sweep */
3741	}	3905	}
3742	#endif	3906	#endif
3743		3907
3744	#if EV_MULTIPLICITY	3908	#if EV_MULTIPLICITY
3745	#include "ev_wrap.h"	3909	#include "ev_wrap.h"
3746	#endif	3910	#endif
3747		3911
3748	#ifdef __cplusplus	3912	EV_CPP(})
3749	}
3750	#endif
3751		3913

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Comparing libev/ev.c (file contents): Revision 1.331 by root, Tue Mar 9 08:55:03 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 1.331 by root, Tue Mar 9 08:55:03 2010 UTC vs.
Revision 1.372 by root, Wed Feb 16 08:02:50 2011 UTC