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

Comparing libev/ev.c (file contents):
Revision 1.330 by root, Tue Mar 9 08:46:17 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>
…		…
184	# define WIN32_LEAN_AND_MEAN	191	# define WIN32_LEAN_AND_MEAN
185	# include <windows.h>	192	# include <windows.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
		196	# undef EV_AVOID_STDIO
189	#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
190		206
191	/* 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 */
192		208
193	/* try to deduce the maximum number of signals on this platform */	209	/* try to deduce the maximum number of signals on this platform */
194	#if defined (EV_NSIG)	210	#if defined (EV_NSIG)
…		…
206	#elif defined (MAXSIG)	222	#elif defined (MAXSIG)
207	# define EV_NSIG (MAXSIG+1)	223	# define EV_NSIG (MAXSIG+1)
208	#elif defined (MAX_SIG)	224	#elif defined (MAX_SIG)
209	# define EV_NSIG (MAX_SIG+1)	225	# define EV_NSIG (MAX_SIG+1)
210	#elif defined (SIGARRAYSIZE)	226	#elif defined (SIGARRAYSIZE)
211	# define EV_NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */	227	# define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */
212	#elif defined (_sys_nsig)	228	#elif defined (_sys_nsig)
213	# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */	229	# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */
214	#else	230	#else
215	# error "unable to find value for NSIG, please report"	231	# error "unable to find value for NSIG, please report"
216	/* 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! :) */
217	# define EV_NSIG 65	234	# define EV_NSIG 65
218	#endif	235	#endif
219		236
220	#ifndef EV_USE_CLOCK_SYSCALL	237	#ifndef EV_USE_CLOCK_SYSCALL
221	# if __linux && __GLIBC__ >= 2	238	# if __linux && __GLIBC__ >= 2
222	# define EV_USE_CLOCK_SYSCALL 1	239	# define EV_USE_CLOCK_SYSCALL EV_FEATURE_OS
223	# else	240	# else
224	# define EV_USE_CLOCK_SYSCALL 0	241	# define EV_USE_CLOCK_SYSCALL 0
225	# endif	242	# endif
226	#endif	243	#endif
227		244
228	#ifndef EV_USE_MONOTONIC	245	#ifndef EV_USE_MONOTONIC
229	# if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0	246	# if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0
230	# define EV_USE_MONOTONIC 1	247	# define EV_USE_MONOTONIC EV_FEATURE_OS
231	# else	248	# else
232	# define EV_USE_MONOTONIC 0	249	# define EV_USE_MONOTONIC 0
233	# endif	250	# endif
234	#endif	251	#endif
235		252
…		…
237	# define EV_USE_REALTIME !EV_USE_CLOCK_SYSCALL	254	# define EV_USE_REALTIME !EV_USE_CLOCK_SYSCALL
238	#endif	255	#endif
239		256
240	#ifndef EV_USE_NANOSLEEP	257	#ifndef EV_USE_NANOSLEEP
241	# if _POSIX_C_SOURCE >= 199309L	258	# if _POSIX_C_SOURCE >= 199309L
242	# define EV_USE_NANOSLEEP 1	259	# define EV_USE_NANOSLEEP EV_FEATURE_OS
243	# else	260	# else
244	# define EV_USE_NANOSLEEP 0	261	# define EV_USE_NANOSLEEP 0
245	# endif	262	# endif
246	#endif	263	#endif
247		264
248	#ifndef EV_USE_SELECT	265	#ifndef EV_USE_SELECT
249	# define EV_USE_SELECT 1	266	# define EV_USE_SELECT EV_FEATURE_BACKENDS
250	#endif	267	#endif
251		268
252	#ifndef EV_USE_POLL	269	#ifndef EV_USE_POLL
253	# ifdef _WIN32	270	# ifdef _WIN32
254	# define EV_USE_POLL 0	271	# define EV_USE_POLL 0
255	# else	272	# else
256	# define EV_USE_POLL 1	273	# define EV_USE_POLL EV_FEATURE_BACKENDS
257	# endif	274	# endif
258	#endif	275	#endif
259		276
260	#ifndef EV_USE_EPOLL	277	#ifndef EV_USE_EPOLL
261	# if __linux && (__GLIBC__ > 2 \|\| (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))	278	# if __linux && (__GLIBC__ > 2 \|\| (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))
262	# define EV_USE_EPOLL 1	279	# define EV_USE_EPOLL EV_FEATURE_BACKENDS
263	# else	280	# else
264	# define EV_USE_EPOLL 0	281	# define EV_USE_EPOLL 0
265	# endif	282	# endif
266	#endif	283	#endif
267		284
…		…
273	# define EV_USE_PORT 0	290	# define EV_USE_PORT 0
274	#endif	291	#endif
275		292
276	#ifndef EV_USE_INOTIFY	293	#ifndef EV_USE_INOTIFY
277	# if __linux && (__GLIBC__ > 2 \|\| (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))	294	# if __linux && (__GLIBC__ > 2 \|\| (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))
278	# define EV_USE_INOTIFY 1	295	# define EV_USE_INOTIFY EV_FEATURE_OS
279	# else	296	# else
280	# define EV_USE_INOTIFY 0	297	# define EV_USE_INOTIFY 0
281	# endif	298	# endif
282	#endif	299	#endif
283		300
284	#ifndef EV_PID_HASHSIZE	301	#ifndef EV_PID_HASHSIZE
285	# if EV_MINIMAL	302	# define EV_PID_HASHSIZE EV_FEATURE_DATA ? 16 : 1
286	# define EV_PID_HASHSIZE 1
287	# else
288	# define EV_PID_HASHSIZE 16
289	# endif
290	#endif	303	#endif
291		304
292	#ifndef EV_INOTIFY_HASHSIZE	305	#ifndef EV_INOTIFY_HASHSIZE
293	# if EV_MINIMAL	306	# define EV_INOTIFY_HASHSIZE EV_FEATURE_DATA ? 16 : 1
294	# define EV_INOTIFY_HASHSIZE 1
295	# else
296	# define EV_INOTIFY_HASHSIZE 16
297	# endif
298	#endif	307	#endif
299		308
300	#ifndef EV_USE_EVENTFD	309	#ifndef EV_USE_EVENTFD
301	# if __linux && (__GLIBC__ > 2 \|\| (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7))	310	# if __linux && (__GLIBC__ > 2 \|\| (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7))
302	# define EV_USE_EVENTFD 1	311	# define EV_USE_EVENTFD EV_FEATURE_OS
303	# else	312	# else
304	# define EV_USE_EVENTFD 0	313	# define EV_USE_EVENTFD 0
305	# endif	314	# endif
306	#endif	315	#endif
307		316
308	#ifndef EV_USE_SIGNALFD	317	#ifndef EV_USE_SIGNALFD
309	# if __linux && (__GLIBC__ > 2 \|\| (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7))	318	# if __linux && (__GLIBC__ > 2 \|\| (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7))
310	# define EV_USE_SIGNALFD 1	319	# define EV_USE_SIGNALFD EV_FEATURE_OS
311	# else	320	# else
312	# define EV_USE_SIGNALFD 0	321	# define EV_USE_SIGNALFD 0
313	# endif	322	# endif
314	#endif	323	#endif
315		324
…		…
318	# define EV_USE_4HEAP 1	327	# define EV_USE_4HEAP 1
319	# define EV_HEAP_CACHE_AT 1	328	# define EV_HEAP_CACHE_AT 1
320	#endif	329	#endif
321		330
322	#ifndef EV_VERIFY	331	#ifndef EV_VERIFY
323	# define EV_VERIFY !EV_MINIMAL	332	# define EV_VERIFY (EV_FEATURE_API ? 1 : 0)
324	#endif	333	#endif
325		334
326	#ifndef EV_USE_4HEAP	335	#ifndef EV_USE_4HEAP
327	# define EV_USE_4HEAP !EV_MINIMAL	336	# define EV_USE_4HEAP EV_FEATURE_DATA
328	#endif	337	#endif
329		338
330	#ifndef EV_HEAP_CACHE_AT	339	#ifndef EV_HEAP_CACHE_AT
331	# define EV_HEAP_CACHE_AT !EV_MINIMAL	340	# define EV_HEAP_CACHE_AT EV_FEATURE_DATA
332	#endif	341	#endif
333		342
334	/* 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, */
335	/* which makes programs even slower. might work on other unices, too. */	344	/* which makes programs even slower. might work on other unices, too. */
336	#if EV_USE_CLOCK_SYSCALL	345	#if EV_USE_CLOCK_SYSCALL
…		…
367	# undef EV_USE_INOTIFY	376	# undef EV_USE_INOTIFY
368	# define EV_USE_INOTIFY 0	377	# define EV_USE_INOTIFY 0
369	#endif	378	#endif
370		379
371	#if !EV_USE_NANOSLEEP	380	#if !EV_USE_NANOSLEEP
372	# ifndef _WIN32	381	/* hp-ux has it in sys/time.h, which we unconditionally include above */
		382	# if !defined(_WIN32) && !defined(__hpux)
373	# include <sys/select.h>	383	# include <sys/select.h>
374	# endif	384	# endif
375	#endif	385	#endif
376		386
377	#if EV_USE_INOTIFY	387	#if EV_USE_INOTIFY
378	# include <sys/utsname.h>
379	# include <sys/statfs.h>	388	# include <sys/statfs.h>
380	# include <sys/inotify.h>	389	# include <sys/inotify.h>
381	/* 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 */
382	# ifndef IN_DONT_FOLLOW	391	# ifndef IN_DONT_FOLLOW
383	# undef EV_USE_INOTIFY	392	# undef EV_USE_INOTIFY
…		…
400	# define EFD_CLOEXEC O_CLOEXEC	409	# define EFD_CLOEXEC O_CLOEXEC
401	# else	410	# else
402	# define EFD_CLOEXEC 02000000	411	# define EFD_CLOEXEC 02000000
403	# endif	412	# endif
404	# endif	413	# endif
405	# ifdef __cplusplus
406	extern "C" {
407	# endif
408	int (eventfd) (unsigned int initval, int flags);	414	EV_CPP(extern "C") int (eventfd) (unsigned int initval, int flags);
409	# ifdef __cplusplus
410	}
411	# endif
412	#endif	415	#endif
413		416
414	#if EV_USE_SIGNALFD	417	#if EV_USE_SIGNALFD
415	/* 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 */
416	# include <stdint.h>	419	# include <stdint.h>
…		…
422	# define SFD_CLOEXEC O_CLOEXEC	425	# define SFD_CLOEXEC O_CLOEXEC
423	# else	426	# else
424	# define SFD_CLOEXEC 02000000	427	# define SFD_CLOEXEC 02000000
425	# endif	428	# endif
426	# endif	429	# endif
427	# ifdef __cplusplus
428	extern "C" {
429	# endif
430	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);
431		431
432	struct signalfd_siginfo	432	struct signalfd_siginfo
433	{	433	{
434	uint32_t ssi_signo;	434	uint32_t ssi_signo;
435	char pad[128 - sizeof (uint32_t)];	435	char pad[128 - sizeof (uint32_t)];
436	};	436	};
437	# ifdef __cplusplus
438	}
439	# endif	437	#endif
440	#endif
441
442		438
443	/**/	439	/**/
444		440
445	#if EV_VERIFY >= 3	441	#if EV_VERIFY >= 3
446	# define EV_FREQUENT_CHECK ev_loop_verify (EV_A)	442	# define EV_FREQUENT_CHECK ev_verify (EV_A)
447	#else	443	#else
448	# define EV_FREQUENT_CHECK do { } while (0)	444	# define EV_FREQUENT_CHECK do { } while (0)
449	#endif	445	#endif
450		446
451	/*	447	/*
…		…
459	#define TIME_EPSILON 0.0001220703125 /* 1/8192 */	455	#define TIME_EPSILON 0.0001220703125 /* 1/8192 */
460		456
461	#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) */
462	#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) */
463		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
464	#if __GNUC__ >= 4	463	#if __GNUC__ >= 4
465	# define expect(expr,value) __builtin_expect ((expr),(value))	464	# define expect(expr,value) __builtin_expect ((expr),(value))
466	# define noinline __attribute__ ((noinline))	465	# define noinline __attribute__ ((noinline))
467	#else	466	#else
468	# define expect(expr,value) (expr)	467	# define expect(expr,value) (expr)
…		…
474		473
475	#define expect_false(expr) expect ((expr) != 0, 0)	474	#define expect_false(expr) expect ((expr) != 0, 0)
476	#define expect_true(expr) expect ((expr) != 0, 1)	475	#define expect_true(expr) expect ((expr) != 0, 1)
477	#define inline_size static inline	476	#define inline_size static inline
478		477
479	#if EV_MINIMAL	478	#if EV_FEATURE_CODE
		479	# define inline_speed static inline
		480	#else
480	# define inline_speed static noinline	481	# define inline_speed static noinline
481	#else
482	# define inline_speed static inline
483	#endif	482	#endif
484		483
485	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)	484	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
486		485
487	#if EV_MINPRI == EV_MAXPRI	486	#if EV_MINPRI == EV_MAXPRI
…		…
500	#define ev_active(w) ((W)(w))->active	499	#define ev_active(w) ((W)(w))->active
501	#define ev_at(w) ((WT)(w))->at	500	#define ev_at(w) ((WT)(w))->at
502		501
503	#if EV_USE_REALTIME	502	#if EV_USE_REALTIME
504	/* 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 */
505	/* giving it a reasonably high chance of working on typical architetcures */	504	/* giving it a reasonably high chance of working on typical architectures */
506	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? */
507	#endif	506	#endif
508		507
509	#if EV_USE_MONOTONIC	508	#if EV_USE_MONOTONIC
510	static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */	509	static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */
…		…
523	#ifdef _WIN32	522	#ifdef _WIN32
524	# include "ev_win32.c"	523	# include "ev_win32.c"
525	#endif	524	#endif
526		525
527	/*****************************************************************************/	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	}
		567
		568	/*****************************************************************************/
		569
		570	#if EV_AVOID_STDIO
		571	static void noinline
		572	ev_printerr (const char *msg)
		573	{
		574	write (STDERR_FILENO, msg, strlen (msg));
		575	}
		576	#endif
528		577
529	static void (syserr_cb)(const char msg);	578	static void (syserr_cb)(const char msg);
530		579
531	void	580	void
532	ev_set_syserr_cb (void (cb)(const char msg))	581	ev_set_syserr_cb (void (cb)(const char msg))
…		…
543	if (syserr_cb)	592	if (syserr_cb)
544	syserr_cb (msg);	593	syserr_cb (msg);
545	else	594	else
546	{	595	{
547	#if EV_AVOID_STDIO	596	#if EV_AVOID_STDIO
548	write (STDERR_FILENO, msg, strlen (msg));	597	ev_printerr (msg);
549	write (STDERR_FILENO, ": ", 2);	598	ev_printerr (": ");
550	msg = strerror (errno);	599	ev_printerr (strerror (errno));
551	write (STDERR_FILENO, msg, strlen (msg));	600	ev_printerr ("\n");
552	write (STDERR_FILENO, "\n", 1);
553	#else	601	#else
554	perror (msg);	602	perror (msg);
555	#endif	603	#endif
556	abort ();	604	abort ();
557	}	605	}
558	}	606	}
559		607
560	static void *	608	static void *
561	ev_realloc_emul (void *ptr, long size)	609	ev_realloc_emul (void *ptr, long size)
562	{	610	{
		611	#if __GLIBC__
		612	return realloc (ptr, size);
		613	#else
563	/* some systems, notably openbsd and darwin, fail to properly	614	/* some systems, notably openbsd and darwin, fail to properly
564	* 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
565	* the single unix specification, so work around them here.	616	* the single unix specification, so work around them here.
566	*/	617	*/
567		618
568	if (size)	619	if (size)
569	return realloc (ptr, size);	620	return realloc (ptr, size);
570		621
571	free (ptr);	622	free (ptr);
572	return 0;	623	return 0;
		624	#endif
573	}	625	}
574		626
575	static void (alloc)(void *ptr, long size) = ev_realloc_emul;	627	static void (alloc)(void *ptr, long size) = ev_realloc_emul;
576		628
577	void	629	void
…		…
586	ptr = alloc (ptr, size);	638	ptr = alloc (ptr, size);
587		639
588	if (!ptr && size)	640	if (!ptr && size)
589	{	641	{
590	#if EV_AVOID_STDIO	642	#if EV_AVOID_STDIO
591	write (STDERR_FILENO, "libev: memory allocation failed, aborting.",	643	ev_printerr ("(libev) memory allocation failed, aborting.\n");
592	sizeof ("libev: memory allocation failed, aborting.") - 1);
593	#else	644	#else
594	fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size);	645	fprintf (stderr, "(libev) cannot allocate %ld bytes, aborting.", size);
595	#endif	646	#endif
596	abort ();	647	abort ();
597	}	648	}
598		649
599	return ptr;	650	return ptr;
…		…
616	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 */
617	unsigned char unused;	668	unsigned char unused;
618	#if EV_USE_EPOLL	669	#if EV_USE_EPOLL
619	unsigned int egen; /* generation counter to counter epoll bugs */	670	unsigned int egen; /* generation counter to counter epoll bugs */
620	#endif	671	#endif
621	#if EV_SELECT_IS_WINSOCKET	672	#if EV_SELECT_IS_WINSOCKET \|\| EV_USE_IOCP
622	SOCKET handle;	673	SOCKET handle;
		674	#endif
		675	#if EV_USE_IOCP
		676	OVERLAPPED or, ow;
623	#endif	677	#endif
624	} ANFD;	678	} ANFD;
625		679
626	/* stores the pending event set for a given watcher */	680	/* stores the pending event set for a given watcher */
627	typedef struct	681	typedef struct
…		…
682		736
683	static int ev_default_loop_ptr;	737	static int ev_default_loop_ptr;
684		738
685	#endif	739	#endif
686		740
687	#if EV_MINIMAL < 2	741	#if EV_FEATURE_API
688	# 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)
689	# 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)
690	# define EV_INVOKE_PENDING invoke_cb (EV_A)	744	# define EV_INVOKE_PENDING invoke_cb (EV_A)
691	#else	745	#else
692	# define EV_RELEASE_CB (void)0	746	# define EV_RELEASE_CB (void)0
693	# define EV_ACQUIRE_CB (void)0	747	# define EV_ACQUIRE_CB (void)0
694	# define EV_INVOKE_PENDING ev_invoke_pending (EV_A)	748	# define EV_INVOKE_PENDING ev_invoke_pending (EV_A)
695	#endif	749	#endif
696		750
697	#define EVUNLOOP_RECURSE 0x80	751	#define EVBREAK_RECURSE 0x80
698		752
699	/*****************************************************************************/	753	/*****************************************************************************/
700		754
701	#ifndef EV_HAVE_EV_TIME	755	#ifndef EV_HAVE_EV_TIME
702	ev_tstamp	756	ev_tstamp
…		…
746	if (delay > 0.)	800	if (delay > 0.)
747	{	801	{
748	#if EV_USE_NANOSLEEP	802	#if EV_USE_NANOSLEEP
749	struct timespec ts;	803	struct timespec ts;
750		804
751	ts.tv_sec = (time_t)delay;	805	EV_TS_SET (ts, delay);
752	ts.tv_nsec = (long)((delay - (ev_tstamp)(ts.tv_sec)) * 1e9);
753
754	nanosleep (&ts, 0);	806	nanosleep (&ts, 0);
755	#elif defined(_WIN32)	807	#elif defined(_WIN32)
756	Sleep ((unsigned long)(delay * 1e3));	808	Sleep ((unsigned long)(delay * 1e3));
757	#else	809	#else
758	struct timeval tv;	810	struct timeval tv;
759		811
760	tv.tv_sec = (time_t)delay;
761	tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6);
762
763	/* 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 */
764	/* something not guaranteed by newer posix versions, but guaranteed */	813	/* something not guaranteed by newer posix versions, but guaranteed */
765	/* by older ones */	814	/* by older ones */
		815	EV_TV_SET (tv, delay);
766	select (0, 0, 0, 0, &tv);	816	select (0, 0, 0, 0, &tv);
767	#endif	817	#endif
768	}	818	}
769	}	819	}
770		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
771	/*****************************************************************************/	829	/*****************************************************************************/
772		830
773	#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 /
774		832
775	/* find a suitable new size for the given array, */	833	/* find a suitable new size for the given array, */
776	/* hopefully by rounding to a ncie-to-malloc size */	834	/* hopefully by rounding to a nice-to-malloc size */
777	inline_size int	835	inline_size int
778	array_nextsize (int elem, int cur, int cnt)	836	array_nextsize (int elem, int cur, int cnt)
779	{	837	{
780	int ncur = cur + 1;	838	int ncur = cur + 1;
781		839
…		…
877	}	935	}
878		936
879	/*****************************************************************************/	937	/*****************************************************************************/
880		938
881	inline_speed void	939	inline_speed void
882	fd_event_nc (EV_P_ int fd, int revents)	940	fd_event_nocheck (EV_P_ int fd, int revents)
883	{	941	{
884	ANFD *anfd = anfds + fd;	942	ANFD *anfd = anfds + fd;
885	ev_io *w;	943	ev_io *w;
886		944
887	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)
…		…
899	fd_event (EV_P_ int fd, int revents)	957	fd_event (EV_P_ int fd, int revents)
900	{	958	{
901	ANFD *anfd = anfds + fd;	959	ANFD *anfd = anfds + fd;
902		960
903	if (expect_true (!anfd->reify))	961	if (expect_true (!anfd->reify))
904	fd_event_nc (EV_A_ fd, revents);	962	fd_event_nocheck (EV_A_ fd, revents);
905	}	963	}
906		964
907	void	965	void
908	ev_feed_fd_event (EV_P_ int fd, int revents)	966	ev_feed_fd_event (EV_P_ int fd, int revents)
909	{	967	{
910	if (fd >= 0 && fd < anfdmax)	968	if (fd >= 0 && fd < anfdmax)
911	fd_event_nc (EV_A_ fd, revents);	969	fd_event_nocheck (EV_A_ fd, revents);
912	}	970	}
913		971
914	/* make sure the external fd watch events are in-sync */	972	/* make sure the external fd watch events are in-sync */
915	/* with the kernel/libev internal state */	973	/* with the kernel/libev internal state */
916	inline_size void	974	inline_size void
917	fd_reify (EV_P)	975	fd_reify (EV_P)
918	{	976	{
919	int i;	977	int i;
920		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
921	for (i = 0; i < fdchangecnt; ++i)	1004	for (i = 0; i < fdchangecnt; ++i)
922	{	1005	{
923	int fd = fdchanges [i];	1006	int fd = fdchanges [i];
924	ANFD *anfd = anfds + fd;	1007	ANFD *anfd = anfds + fd;
925	ev_io *w;	1008	ev_io *w;
926		1009
927	unsigned char events = 0;	1010	unsigned char o_events = anfd->events;
		1011	unsigned char o_reify = anfd->reify;
928		1012
929	for (w = (ev_io )anfd->head; w; w = (ev_io )((WL)w)->next)	1013	anfd->reify = 0;
930	events \|= (unsigned char)w->events;
931		1014
932	#if EV_SELECT_IS_WINSOCKET	1015	/if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation /
933	if (events)
934	{	1016	{
935	unsigned long arg;	1017	anfd->events = 0;
936	anfd->handle = EV_FD_TO_WIN32_HANDLE (fd);	1018
937	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 \|= */
938	}	1024	}
939	#endif
940		1025
941	{	1026	if (o_reify & EV__IOFDSET)
942	unsigned char o_events = anfd->events;
943	unsigned char o_reify = anfd->reify;
944
945	anfd->reify = 0;
946	anfd->events = events;
947
948	if (o_events != events \|\| o_reify & EV__IOFDSET)
949	backend_modify (EV_A_ fd, o_events, events);	1027	backend_modify (EV_A_ fd, o_events, anfd->events);
950	}
951	}	1028	}
952		1029
953	fdchangecnt = 0;	1030	fdchangecnt = 0;
954	}	1031	}
955		1032
…		…
979	ev_io_stop (EV_A_ w);	1056	ev_io_stop (EV_A_ w);
980	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);
981	}	1058	}
982	}	1059	}
983		1060
984	/* check whether the given fd is atcually valid, for error recovery */	1061	/* check whether the given fd is actually valid, for error recovery */
985	inline_size int	1062	inline_size int
986	fd_valid (int fd)	1063	fd_valid (int fd)
987	{	1064	{
988	#ifdef _WIN32	1065	#ifdef _WIN32
989	return EV_FD_TO_WIN32_HANDLE (fd) != -1;	1066	return EV_FD_TO_WIN32_HANDLE (fd) != -1;
…		…
1031	anfds [fd].emask = 0;	1108	anfds [fd].emask = 0;
1032	fd_change (EV_A_ fd, EV__IOFDSET \| EV_ANFD_REIFY);	1109	fd_change (EV_A_ fd, EV__IOFDSET \| EV_ANFD_REIFY);
1033	}	1110	}
1034	}	1111	}
1035		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
1036	/*****************************************************************************/	1127	/*****************************************************************************/
1037		1128
1038	/*	1129	/*
1039	* 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
1040	* 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
1041	* the branching factor of the d-tree.	1132	* the branching factor of the d-tree.
1042	*/	1133	*/
1043		1134
1044	/*	1135	/*
…		…
1192		1283
1193	static ANSIG signals [EV_NSIG - 1];	1284	static ANSIG signals [EV_NSIG - 1];
1194		1285
1195	/*****************************************************************************/	1286	/*****************************************************************************/
1196		1287
1197	/* used to prepare libev internal fd's */	1288	#if EV_SIGNAL_ENABLE \|\| EV_ASYNC_ENABLE
1198	/* this is not fork-safe */
1199	inline_speed void
1200	fd_intern (int fd)
1201	{
1202	#ifdef _WIN32
1203	unsigned long arg = 1;
1204	ioctlsocket (EV_FD_TO_WIN32_HANDLE (fd), FIONBIO, &arg);
1205	#else
1206	fcntl (fd, F_SETFD, FD_CLOEXEC);
1207	fcntl (fd, F_SETFL, O_NONBLOCK);
1208	#endif
1209	}
1210		1289
1211	static void noinline	1290	static void noinline
1212	evpipe_init (EV_P)	1291	evpipe_init (EV_P)
1213	{	1292	{
1214	if (!ev_is_active (&pipe_w))	1293	if (!ev_is_active (&pipe_w))
1215	{	1294	{
1216	#if EV_USE_EVENTFD	1295	# if EV_USE_EVENTFD
1217	evfd = eventfd (0, EFD_NONBLOCK \| EFD_CLOEXEC);	1296	evfd = eventfd (0, EFD_NONBLOCK \| EFD_CLOEXEC);
1218	if (evfd < 0 && errno == EINVAL)	1297	if (evfd < 0 && errno == EINVAL)
1219	evfd = eventfd (0, 0);	1298	evfd = eventfd (0, 0);
1220		1299
1221	if (evfd >= 0)	1300	if (evfd >= 0)
…		…
1223	evpipe [0] = -1;	1302	evpipe [0] = -1;
1224	fd_intern (evfd); /* doing it twice doesn't hurt */	1303	fd_intern (evfd); /* doing it twice doesn't hurt */
1225	ev_io_set (&pipe_w, evfd, EV_READ);	1304	ev_io_set (&pipe_w, evfd, EV_READ);
1226	}	1305	}
1227	else	1306	else
1228	#endif	1307	# endif
1229	{	1308	{
1230	while (pipe (evpipe))	1309	while (pipe (evpipe))
1231	ev_syserr ("(libev) error creating signal/async pipe");	1310	ev_syserr ("(libev) error creating signal/async pipe");
1232		1311
1233	fd_intern (evpipe [0]);	1312	fd_intern (evpipe [0]);
…		…
1244	evpipe_write (EV_P_ EV_ATOMIC_T *flag)	1323	evpipe_write (EV_P_ EV_ATOMIC_T *flag)
1245	{	1324	{
1246	if (!*flag)	1325	if (!*flag)
1247	{	1326	{
1248	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;
1249		1329
1250	*flag = 1;	1330	*flag = 1;
1251		1331
1252	#if EV_USE_EVENTFD	1332	#if EV_USE_EVENTFD
1253	if (evfd >= 0)	1333	if (evfd >= 0)
…		…
1255	uint64_t counter = 1;	1335	uint64_t counter = 1;
1256	write (evfd, &counter, sizeof (uint64_t));	1336	write (evfd, &counter, sizeof (uint64_t));
1257	}	1337	}
1258	else	1338	else
1259	#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. */
1260	write (evpipe [1], &old_errno, 1);	1345	write (evpipe [1], &dummy, 1);
1261		1346
1262	errno = old_errno;	1347	errno = old_errno;
1263	}	1348	}
1264	}	1349	}
1265		1350
…		…
1278	}	1363	}
1279	else	1364	else
1280	#endif	1365	#endif
1281	{	1366	{
1282	char dummy;	1367	char dummy;
		1368	/* see discussion in evpipe_write when you think this read should be recv in win32 */
1283	read (evpipe [0], &dummy, 1);	1369	read (evpipe [0], &dummy, 1);
1284	}	1370	}
1285		1371
		1372	#if EV_SIGNAL_ENABLE
1286	if (sig_pending)	1373	if (sig_pending)
1287	{	1374	{
1288	sig_pending = 0;	1375	sig_pending = 0;
1289		1376
1290	for (i = EV_NSIG - 1; i--; )	1377	for (i = EV_NSIG - 1; i--; )
1291	if (expect_false (signals [i].pending))	1378	if (expect_false (signals [i].pending))
1292	ev_feed_signal_event (EV_A_ i + 1);	1379	ev_feed_signal_event (EV_A_ i + 1);
1293	}	1380	}
		1381	#endif
1294		1382
1295	#if EV_ASYNC_ENABLE	1383	#if EV_ASYNC_ENABLE
1296	if (async_pending)	1384	if (async_pending)
1297	{	1385	{
1298	async_pending = 0;	1386	async_pending = 0;
…		…
1307	#endif	1395	#endif
1308	}	1396	}
1309		1397
1310	/*****************************************************************************/	1398	/*****************************************************************************/
1311		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
1312	static void	1414	static void
1313	ev_sighandler (int signum)	1415	ev_sighandler (int signum)
1314	{	1416	{
1315	#if EV_MULTIPLICITY
1316	EV_P = signals [signum - 1].loop;
1317	#endif
1318
1319	#ifdef _WIN32	1417	#ifdef _WIN32
1320	signal (signum, ev_sighandler);	1418	signal (signum, ev_sighandler);
1321	#endif	1419	#endif
1322		1420
1323	signals [signum - 1].pending = 1;	1421	ev_feed_signal (signum);
1324	evpipe_write (EV_A_ &sig_pending);
1325	}	1422	}
1326		1423
1327	void noinline	1424	void noinline
1328	ev_feed_signal_event (EV_P_ int signum)	1425	ev_feed_signal_event (EV_P_ int signum)
1329	{	1426	{
…		…
1366	break;	1463	break;
1367	}	1464	}
1368	}	1465	}
1369	#endif	1466	#endif
1370		1467
		1468	#endif
		1469
1371	/*****************************************************************************/	1470	/*****************************************************************************/
1372		1471
		1472	#if EV_CHILD_ENABLE
1373	static WL childs [EV_PID_HASHSIZE];	1473	static WL childs [EV_PID_HASHSIZE];
1374
1375	#ifndef _WIN32
1376		1474
1377	static ev_signal childev;	1475	static ev_signal childev;
1378		1476
1379	#ifndef WIFCONTINUED	1477	#ifndef WIFCONTINUED
1380	# define WIFCONTINUED(status) 0	1478	# define WIFCONTINUED(status) 0
…		…
1385	child_reap (EV_P_ int chain, int pid, int status)	1483	child_reap (EV_P_ int chain, int pid, int status)
1386	{	1484	{
1387	ev_child *w;	1485	ev_child *w;
1388	int traced = WIFSTOPPED (status) \|\| WIFCONTINUED (status);	1486	int traced = WIFSTOPPED (status) \|\| WIFCONTINUED (status);
1389		1487
1390	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)
1391	{	1489	{
1392	if ((w->pid == pid \|\| !w->pid)	1490	if ((w->pid == pid \|\| !w->pid)
1393	&& (!traced \|\| (w->flags & 1)))	1491	&& (!traced \|\| (w->flags & 1)))
1394	{	1492	{
1395	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 */
…		…
1420	/* 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 */
1421	/* 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 */
1422	ev_feed_event (EV_A_ (W)sw, EV_SIGNAL);	1520	ev_feed_event (EV_A_ (W)sw, EV_SIGNAL);
1423		1521
1424	child_reap (EV_A_ pid, pid, status);	1522	child_reap (EV_A_ pid, pid, status);
1425	if (EV_PID_HASHSIZE > 1)	1523	if ((EV_PID_HASHSIZE) > 1)
1426	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 */
1427	}	1525	}
1428		1526
1429	#endif	1527	#endif
1430		1528
1431	/*****************************************************************************/	1529	/*****************************************************************************/
1432		1530
		1531	#if EV_USE_IOCP
		1532	# include "ev_iocp.c"
		1533	#endif
1433	#if EV_USE_PORT	1534	#if EV_USE_PORT
1434	# include "ev_port.c"	1535	# include "ev_port.c"
1435	#endif	1536	#endif
1436	#if EV_USE_KQUEUE	1537	#if EV_USE_KQUEUE
1437	# include "ev_kqueue.c"	1538	# include "ev_kqueue.c"
…		…
1497	#ifdef __APPLE__	1598	#ifdef __APPLE__
1498	/* only select works correctly on that "unix-certified" platform */	1599	/* only select works correctly on that "unix-certified" platform */
1499	flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */	1600	flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */
1500	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 */
1501	#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
1502		1606
1503	return flags;	1607	return flags;
1504	}	1608	}
1505		1609
1506	unsigned int	1610	unsigned int
1507	ev_embeddable_backends (void)	1611	ev_embeddable_backends (void)
1508	{	1612	{
1509	int flags = EVBACKEND_EPOLL \| EVBACKEND_KQUEUE \| EVBACKEND_PORT;	1613	int flags = EVBACKEND_EPOLL \| EVBACKEND_KQUEUE \| EVBACKEND_PORT;
1510		1614
1511	/* 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 */
1512	/* please fix it and tell me how to detect the fix */	1616	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
1513	flags &= ~EVBACKEND_EPOLL;	1617	flags &= ~EVBACKEND_EPOLL;
1514		1618
1515	return flags;	1619	return flags;
1516	}	1620	}
1517		1621
1518	unsigned int	1622	unsigned int
1519	ev_backend (EV_P)	1623	ev_backend (EV_P)
1520	{	1624	{
1521	return backend;	1625	return backend;
1522	}	1626	}
1523		1627
1524	#if EV_MINIMAL < 2	1628	#if EV_FEATURE_API
1525	unsigned int	1629	unsigned int
1526	ev_loop_count (EV_P)	1630	ev_iteration (EV_P)
1527	{	1631	{
1528	return loop_count;	1632	return loop_count;
1529	}	1633	}
1530		1634
1531	unsigned int	1635	unsigned int
1532	ev_loop_depth (EV_P)	1636	ev_depth (EV_P)
1533	{	1637	{
1534	return loop_depth;	1638	return loop_depth;
1535	}	1639	}
1536		1640
1537	void	1641	void
…		…
1574	static void noinline	1678	static void noinline
1575	loop_init (EV_P_ unsigned int flags)	1679	loop_init (EV_P_ unsigned int flags)
1576	{	1680	{
1577	if (!backend)	1681	if (!backend)
1578	{	1682	{
		1683	origflags = flags;
		1684
1579	#if EV_USE_REALTIME	1685	#if EV_USE_REALTIME
1580	if (!have_realtime)	1686	if (!have_realtime)
1581	{	1687	{
1582	struct timespec ts;	1688	struct timespec ts;
1583		1689
…		…
1609		1715
1610	ev_rt_now = ev_time ();	1716	ev_rt_now = ev_time ();
1611	mn_now = get_clock ();	1717	mn_now = get_clock ();
1612	now_floor = mn_now;	1718	now_floor = mn_now;
1613	rtmn_diff = ev_rt_now - mn_now;	1719	rtmn_diff = ev_rt_now - mn_now;
1614	#if EV_MINIMAL < 2	1720	#if EV_FEATURE_API
1615	invoke_cb = ev_invoke_pending;	1721	invoke_cb = ev_invoke_pending;
1616	#endif	1722	#endif
1617		1723
1618	io_blocktime = 0.;	1724	io_blocktime = 0.;
1619	timeout_blocktime = 0.;	1725	timeout_blocktime = 0.;
…		…
1628	#endif	1734	#endif
1629	#if EV_USE_SIGNALFD	1735	#if EV_USE_SIGNALFD
1630	sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;	1736	sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;
1631	#endif	1737	#endif
1632		1738
1633	if (!(flags & 0x0000ffffU))	1739	if (!(flags & EVBACKEND_MASK))
1634	flags \|= ev_recommended_backends ();	1740	flags \|= ev_recommended_backends ();
1635		1741
		1742	#if EV_USE_IOCP
		1743	if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags);
		1744	#endif
1636	#if EV_USE_PORT	1745	#if EV_USE_PORT
1637	if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);	1746	if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);
1638	#endif	1747	#endif
1639	#if EV_USE_KQUEUE	1748	#if EV_USE_KQUEUE
1640	if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags);	1749	if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags);
…		…
1649	if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags);	1758	if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags);
1650	#endif	1759	#endif
1651		1760
1652	ev_prepare_init (&pending_w, pendingcb);	1761	ev_prepare_init (&pending_w, pendingcb);
1653		1762
		1763	#if EV_SIGNAL_ENABLE \|\| EV_ASYNC_ENABLE
1654	ev_init (&pipe_w, pipecb);	1764	ev_init (&pipe_w, pipecb);
1655	ev_set_priority (&pipe_w, EV_MAXPRI);	1765	ev_set_priority (&pipe_w, EV_MAXPRI);
		1766	#endif
1656	}	1767	}
1657	}	1768	}
1658		1769
1659	/* free up a loop structure */	1770	/* free up a loop structure */
1660	static void noinline	1771	void
1661	loop_destroy (EV_P)	1772	ev_loop_destroy (EV_P)
1662	{	1773	{
1663	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
1664		1798
1665	if (ev_is_active (&pipe_w))	1799	if (ev_is_active (&pipe_w))
1666	{	1800	{
1667	/ev_ref (EV_A);/	1801	/ev_ref (EV_A);/
1668	/ev_io_stop (EV_A_ &pipe_w);/	1802	/ev_io_stop (EV_A_ &pipe_w);/
…		…
1690	#endif	1824	#endif
1691		1825
1692	if (backend_fd >= 0)	1826	if (backend_fd >= 0)
1693	close (backend_fd);	1827	close (backend_fd);
1694		1828
		1829	#if EV_USE_IOCP
		1830	if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A);
		1831	#endif
1695	#if EV_USE_PORT	1832	#if EV_USE_PORT
1696	if (backend == EVBACKEND_PORT ) port_destroy (EV_A);	1833	if (backend == EVBACKEND_PORT ) port_destroy (EV_A);
1697	#endif	1834	#endif
1698	#if EV_USE_KQUEUE	1835	#if EV_USE_KQUEUE
1699	if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A);	1836	if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A);
…		…
1726	array_free (periodic, EMPTY);	1863	array_free (periodic, EMPTY);
1727	#endif	1864	#endif
1728	#if EV_FORK_ENABLE	1865	#if EV_FORK_ENABLE
1729	array_free (fork, EMPTY);	1866	array_free (fork, EMPTY);
1730	#endif	1867	#endif
		1868	#if EV_CLEANUP_ENABLE
		1869	array_free (cleanup, EMPTY);
		1870	#endif
1731	array_free (prepare, EMPTY);	1871	array_free (prepare, EMPTY);
1732	array_free (check, EMPTY);	1872	array_free (check, EMPTY);
1733	#if EV_ASYNC_ENABLE	1873	#if EV_ASYNC_ENABLE
1734	array_free (async, EMPTY);	1874	array_free (async, EMPTY);
1735	#endif	1875	#endif
1736		1876
1737	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
1738	}	1887	}
1739		1888
1740	#if EV_USE_INOTIFY	1889	#if EV_USE_INOTIFY
1741	inline_size void infy_fork (EV_P);	1890	inline_size void infy_fork (EV_P);
1742	#endif	1891	#endif
…		…
1778	{	1927	{
1779	EV_WIN32_CLOSE_FD (evpipe [0]);	1928	EV_WIN32_CLOSE_FD (evpipe [0]);
1780	EV_WIN32_CLOSE_FD (evpipe [1]);	1929	EV_WIN32_CLOSE_FD (evpipe [1]);
1781	}	1930	}
1782		1931
		1932	#if EV_SIGNAL_ENABLE \|\| EV_ASYNC_ENABLE
1783	evpipe_init (EV_A);	1933	evpipe_init (EV_A);
1784	/* now iterate over everything, in case we missed something */	1934	/* now iterate over everything, in case we missed something */
1785	pipecb (EV_A_ &pipe_w, EV_READ);	1935	pipecb (EV_A_ &pipe_w, EV_READ);
		1936	#endif
1786	}	1937	}
1787		1938
1788	postfork = 0;	1939	postfork = 0;
1789	}	1940	}
1790		1941
…		…
1799	loop_init (EV_A_ flags);	1950	loop_init (EV_A_ flags);
1800		1951
1801	if (ev_backend (EV_A))	1952	if (ev_backend (EV_A))
1802	return EV_A;	1953	return EV_A;
1803		1954
		1955	ev_free (EV_A);
1804	return 0;	1956	return 0;
1805	}	1957	}
1806		1958
1807	void
1808	ev_loop_destroy (EV_P)
1809	{
1810	loop_destroy (EV_A);
1811	ev_free (loop);
1812	}
1813
1814	void
1815	ev_loop_fork (EV_P)
1816	{
1817	postfork = 1; /* must be in line with ev_default_fork */
1818	}
1819	#endif /* multiplicity */	1959	#endif /* multiplicity */
1820		1960
1821	#if EV_VERIFY	1961	#if EV_VERIFY
1822	static void noinline	1962	static void noinline
1823	verify_watcher (EV_P_ W w)	1963	verify_watcher (EV_P_ W w)
…		…
1852	verify_watcher (EV_A_ ws [cnt]);	1992	verify_watcher (EV_A_ ws [cnt]);
1853	}	1993	}
1854	}	1994	}
1855	#endif	1995	#endif
1856		1996
1857	#if EV_MINIMAL < 2	1997	#if EV_FEATURE_API
1858	void	1998	void
1859	ev_loop_verify (EV_P)	1999	ev_verify (EV_P)
1860	{	2000	{
1861	#if EV_VERIFY	2001	#if EV_VERIFY
1862	int i;	2002	int i;
1863	WL w;	2003	WL w;
1864		2004
…		…
1898	#if EV_FORK_ENABLE	2038	#if EV_FORK_ENABLE
1899	assert (forkmax >= forkcnt);	2039	assert (forkmax >= forkcnt);
1900	array_verify (EV_A_ (W *)forks, forkcnt);	2040	array_verify (EV_A_ (W *)forks, forkcnt);
1901	#endif	2041	#endif
1902		2042
		2043	#if EV_CLEANUP_ENABLE
		2044	assert (cleanupmax >= cleanupcnt);
		2045	array_verify (EV_A_ (W *)cleanups, cleanupcnt);
		2046	#endif
		2047
1903	#if EV_ASYNC_ENABLE	2048	#if EV_ASYNC_ENABLE
1904	assert (asyncmax >= asynccnt);	2049	assert (asyncmax >= asynccnt);
1905	array_verify (EV_A_ (W *)asyncs, asynccnt);	2050	array_verify (EV_A_ (W *)asyncs, asynccnt);
1906	#endif	2051	#endif
1907		2052
		2053	#if EV_PREPARE_ENABLE
1908	assert (preparemax >= preparecnt);	2054	assert (preparemax >= preparecnt);
1909	array_verify (EV_A_ (W *)prepares, preparecnt);	2055	array_verify (EV_A_ (W *)prepares, preparecnt);
		2056	#endif
1910		2057
		2058	#if EV_CHECK_ENABLE
1911	assert (checkmax >= checkcnt);	2059	assert (checkmax >= checkcnt);
1912	array_verify (EV_A_ (W *)checks, checkcnt);	2060	array_verify (EV_A_ (W *)checks, checkcnt);
		2061	#endif
1913		2062
1914	# if 0	2063	# if 0
		2064	#if EV_CHILD_ENABLE
1915	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)
1916	for (signum = EV_NSIG; signum--; ) if (signals [signum].pending)	2066	for (signum = EV_NSIG; signum--; ) if (signals [signum].pending)
		2067	#endif
1917	# endif	2068	# endif
1918	#endif	2069	#endif
1919	}	2070	}
1920	#endif	2071	#endif
1921		2072
1922	#if EV_MULTIPLICITY	2073	#if EV_MULTIPLICITY
1923	struct ev_loop *	2074	struct ev_loop *
1924	ev_default_loop_init (unsigned int flags)
1925	#else	2075	#else
1926	int	2076	int
		2077	#endif
1927	ev_default_loop (unsigned int flags)	2078	ev_default_loop (unsigned int flags)
1928	#endif
1929	{	2079	{
1930	if (!ev_default_loop_ptr)	2080	if (!ev_default_loop_ptr)
1931	{	2081	{
1932	#if EV_MULTIPLICITY	2082	#if EV_MULTIPLICITY
1933	EV_P = ev_default_loop_ptr = &default_loop_struct;	2083	EV_P = ev_default_loop_ptr = &default_loop_struct;
…		…
1937		2087
1938	loop_init (EV_A_ flags);	2088	loop_init (EV_A_ flags);
1939		2089
1940	if (ev_backend (EV_A))	2090	if (ev_backend (EV_A))
1941	{	2091	{
1942	#ifndef _WIN32	2092	#if EV_CHILD_ENABLE
1943	ev_signal_init (&childev, childcb, SIGCHLD);	2093	ev_signal_init (&childev, childcb, SIGCHLD);
1944	ev_set_priority (&childev, EV_MAXPRI);	2094	ev_set_priority (&childev, EV_MAXPRI);
1945	ev_signal_start (EV_A_ &childev);	2095	ev_signal_start (EV_A_ &childev);
1946	ev_unref (EV_A); /* child watcher should not keep loop alive */	2096	ev_unref (EV_A); /* child watcher should not keep loop alive */
1947	#endif	2097	#endif
…		…
1952		2102
1953	return ev_default_loop_ptr;	2103	return ev_default_loop_ptr;
1954	}	2104	}
1955		2105
1956	void	2106	void
1957	ev_default_destroy (void)	2107	ev_loop_fork (EV_P)
1958	{	2108	{
1959	#if EV_MULTIPLICITY
1960	EV_P = ev_default_loop_ptr;
1961	#endif
1962
1963	ev_default_loop_ptr = 0;
1964
1965	#ifndef _WIN32
1966	ev_ref (EV_A); /* child watcher */
1967	ev_signal_stop (EV_A_ &childev);
1968	#endif
1969
1970	loop_destroy (EV_A);
1971	}
1972
1973	void
1974	ev_default_fork (void)
1975	{
1976	#if EV_MULTIPLICITY
1977	EV_P = ev_default_loop_ptr;
1978	#endif
1979
1980	postfork = 1; /* must be in line with ev_loop_fork */	2109	postfork = 1; /* must be in line with ev_default_fork */
1981	}	2110	}
1982		2111
1983	/*****************************************************************************/	2112	/*****************************************************************************/
1984		2113
1985	void	2114	void
…		…
2007		2136
2008	for (pri = NUMPRI; pri--; )	2137	for (pri = NUMPRI; pri--; )
2009	while (pendingcnt [pri])	2138	while (pendingcnt [pri])
2010	{	2139	{
2011	ANPENDING *p = pendings [pri] + --pendingcnt [pri];	2140	ANPENDING *p = pendings [pri] + --pendingcnt [pri];
2012
2013	/assert (("libev: non-pending watcher on pending list", p->w->pending));/
2014	/* ^ this is no longer true, as pending_w could be here */
2015		2141
2016	p->w->pending = 0;	2142	p->w->pending = 0;
2017	EV_CB_INVOKE (p->w, p->events);	2143	EV_CB_INVOKE (p->w, p->events);
2018	EV_FREQUENT_CHECK;	2144	EV_FREQUENT_CHECK;
2019	}	2145	}
…		…
2076	EV_FREQUENT_CHECK;	2202	EV_FREQUENT_CHECK;
2077	feed_reverse (EV_A_ (W)w);	2203	feed_reverse (EV_A_ (W)w);
2078	}	2204	}
2079	while (timercnt && ANHE_at (timers [HEAP0]) < mn_now);	2205	while (timercnt && ANHE_at (timers [HEAP0]) < mn_now);
2080		2206
2081	feed_reverse_done (EV_A_ EV_TIMEOUT);	2207	feed_reverse_done (EV_A_ EV_TIMER);
2082	}	2208	}
2083	}	2209	}
2084		2210
2085	#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
2086	/* make periodics pending */	2221	/* make periodics pending */
2087	inline_size void	2222	inline_size void
2088	periodics_reify (EV_P)	2223	periodics_reify (EV_P)
2089	{	2224	{
2090	EV_FREQUENT_CHECK;	2225	EV_FREQUENT_CHECK;
…		…
2109	ANHE_at_cache (periodics [HEAP0]);	2244	ANHE_at_cache (periodics [HEAP0]);
2110	downheap (periodics, periodiccnt, HEAP0);	2245	downheap (periodics, periodiccnt, HEAP0);
2111	}	2246	}
2112	else if (w->interval)	2247	else if (w->interval)
2113	{	2248	{
2114	ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;	2249	periodic_recalc (EV_A_ w);
		2250
2115	/* 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 */
2116	/* this might happen because of floating point inexactness */	2252	/* this might happen because of floating point inexactness */
2117	if (ev_at (w) - ev_rt_now < TIME_EPSILON)	2253	if (ev_at (w) - ev_rt_now < TIME_EPSILON)
2118	{	2254	{
2119	ev_at (w) += w->interval;	2255	ev_at (w) += w->interval;
…		…
2139	feed_reverse_done (EV_A_ EV_PERIODIC);	2275	feed_reverse_done (EV_A_ EV_PERIODIC);
2140	}	2276	}
2141	}	2277	}
2142		2278
2143	/* simply recalculate all periodics */	2279	/* simply recalculate all periodics */
2144	/* 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? */
2145	static void noinline	2281	static void noinline
2146	periodics_reschedule (EV_P)	2282	periodics_reschedule (EV_P)
2147	{	2283	{
2148	int i;	2284	int i;
2149		2285
…		…
2153	ev_periodic w = (ev_periodic )ANHE_w (periodics [i]);	2289	ev_periodic w = (ev_periodic )ANHE_w (periodics [i]);
2154		2290
2155	if (w->reschedule_cb)	2291	if (w->reschedule_cb)
2156	ev_at (w) = w->reschedule_cb (w, ev_rt_now);	2292	ev_at (w) = w->reschedule_cb (w, ev_rt_now);
2157	else if (w->interval)	2293	else if (w->interval)
2158	ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;	2294	periodic_recalc (EV_A_ w);
2159		2295
2160	ANHE_at_cache (periodics [i]);	2296	ANHE_at_cache (periodics [i]);
2161	}	2297	}
2162		2298
2163	reheap (periodics, periodiccnt);	2299	reheap (periodics, periodiccnt);
…		…
2245	mn_now = ev_rt_now;	2381	mn_now = ev_rt_now;
2246	}	2382	}
2247	}	2383	}
2248		2384
2249	void	2385	void
2250	ev_loop (EV_P_ int flags)	2386	ev_run (EV_P_ int flags)
2251	{	2387	{
2252	#if EV_MINIMAL < 2	2388	#if EV_FEATURE_API
2253	++loop_depth;	2389	++loop_depth;
2254	#endif	2390	#endif
2255		2391
2256	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));
2257		2393
2258	loop_done = EVUNLOOP_CANCEL;	2394	loop_done = EVBREAK_CANCEL;
2259		2395
2260	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 */
2261		2397
2262	do	2398	do
2263	{	2399	{
2264	#if EV_VERIFY >= 2	2400	#if EV_VERIFY >= 2
2265	ev_loop_verify (EV_A);	2401	ev_verify (EV_A);
2266	#endif	2402	#endif
2267		2403
2268	#ifndef _WIN32	2404	#ifndef _WIN32
2269	if (expect_false (curpid)) /* penalise the forking check even more */	2405	if (expect_false (curpid)) /* penalise the forking check even more */
2270	if (expect_false (getpid () != curpid))	2406	if (expect_false (getpid () != curpid))
…		…
2282	queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);	2418	queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);
2283	EV_INVOKE_PENDING;	2419	EV_INVOKE_PENDING;
2284	}	2420	}
2285	#endif	2421	#endif
2286		2422
		2423	#if EV_PREPARE_ENABLE
2287	/* queue prepare watchers (and execute them) */	2424	/* queue prepare watchers (and execute them) */
2288	if (expect_false (preparecnt))	2425	if (expect_false (preparecnt))
2289	{	2426	{
2290	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);	2427	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
2291	EV_INVOKE_PENDING;	2428	EV_INVOKE_PENDING;
2292	}	2429	}
		2430	#endif
2293		2431
2294	if (expect_false (loop_done))	2432	if (expect_false (loop_done))
2295	break;	2433	break;
2296		2434
2297	/* we might have forked, so reify kernel state if necessary */	2435	/* we might have forked, so reify kernel state if necessary */
…		…
2304	/* calculate blocking time */	2442	/* calculate blocking time */
2305	{	2443	{
2306	ev_tstamp waittime = 0.;	2444	ev_tstamp waittime = 0.;
2307	ev_tstamp sleeptime = 0.;	2445	ev_tstamp sleeptime = 0.;
2308		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
2309	if (expect_true (!(flags & EVLOOP_NONBLOCK \|\| idleall \|\| !activecnt)))	2453	if (expect_true (!(flags & EVRUN_NOWAIT \|\| idleall \|\| !activecnt)))
2310	{	2454	{
2311	/* remember old timestamp for io_blocktime calculation */
2312	ev_tstamp prev_mn_now = mn_now;
2313
2314	/* update time to cancel out callback processing overhead */
2315	time_update (EV_A_ 1e100);
2316
2317	waittime = MAX_BLOCKTIME;	2455	waittime = MAX_BLOCKTIME;
2318		2456
2319	if (timercnt)	2457	if (timercnt)
2320	{	2458	{
2321	ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge;	2459	ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge;
…		…
2348	waittime -= sleeptime;	2486	waittime -= sleeptime;
2349	}	2487	}
2350	}	2488	}
2351	}	2489	}
2352		2490
2353	#if EV_MINIMAL < 2	2491	#if EV_FEATURE_API
2354	++loop_count;	2492	++loop_count;
2355	#endif	2493	#endif
2356	assert ((loop_done = EVUNLOOP_RECURSE, 1)); /* assert for side effect */	2494	assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */
2357	backend_poll (EV_A_ waittime);	2495	backend_poll (EV_A_ waittime);
2358	assert ((loop_done = EVUNLOOP_CANCEL, 1)); /* assert for side effect */	2496	assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */
2359		2497
2360	/* update ev_rt_now, do magic */	2498	/* update ev_rt_now, do magic */
2361	time_update (EV_A_ waittime + sleeptime);	2499	time_update (EV_A_ waittime + sleeptime);
2362	}	2500	}
2363		2501
…		…
2370	#if EV_IDLE_ENABLE	2508	#if EV_IDLE_ENABLE
2371	/* queue idle watchers unless other events are pending */	2509	/* queue idle watchers unless other events are pending */
2372	idle_reify (EV_A);	2510	idle_reify (EV_A);
2373	#endif	2511	#endif
2374		2512
		2513	#if EV_CHECK_ENABLE
2375	/* queue check watchers, to be executed first */	2514	/* queue check watchers, to be executed first */
2376	if (expect_false (checkcnt))	2515	if (expect_false (checkcnt))
2377	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);	2516	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
		2517	#endif
2378		2518
2379	EV_INVOKE_PENDING;	2519	EV_INVOKE_PENDING;
2380	}	2520	}
2381	while (expect_true (	2521	while (expect_true (
2382	activecnt	2522	activecnt
2383	&& !loop_done	2523	&& !loop_done
2384	&& !(flags & (EVLOOP_ONESHOT \| EVLOOP_NONBLOCK))	2524	&& !(flags & (EVRUN_ONCE \| EVRUN_NOWAIT))
2385	));	2525	));
2386		2526
2387	if (loop_done == EVUNLOOP_ONE)	2527	if (loop_done == EVBREAK_ONE)
2388	loop_done = EVUNLOOP_CANCEL;	2528	loop_done = EVBREAK_CANCEL;
2389		2529
2390	#if EV_MINIMAL < 2	2530	#if EV_FEATURE_API
2391	--loop_depth;	2531	--loop_depth;
2392	#endif	2532	#endif
2393	}	2533	}
2394		2534
2395	void	2535	void
2396	ev_unloop (EV_P_ int how)	2536	ev_break (EV_P_ int how)
2397	{	2537	{
2398	loop_done = how;	2538	loop_done = how;
2399	}	2539	}
2400		2540
2401	void	2541	void
…		…
2549	EV_FREQUENT_CHECK;	2689	EV_FREQUENT_CHECK;
2550		2690
2551	wlist_del (&anfds[w->fd].head, (WL)w);	2691	wlist_del (&anfds[w->fd].head, (WL)w);
2552	ev_stop (EV_A_ (W)w);	2692	ev_stop (EV_A_ (W)w);
2553		2693
2554	fd_change (EV_A_ w->fd, 1);	2694	fd_change (EV_A_ w->fd, EV_ANFD_REIFY);
2555		2695
2556	EV_FREQUENT_CHECK;	2696	EV_FREQUENT_CHECK;
2557	}	2697	}
2558		2698
2559	void noinline	2699	void noinline
…		…
2651	if (w->reschedule_cb)	2791	if (w->reschedule_cb)
2652	ev_at (w) = w->reschedule_cb (w, ev_rt_now);	2792	ev_at (w) = w->reschedule_cb (w, ev_rt_now);
2653	else if (w->interval)	2793	else if (w->interval)
2654	{	2794	{
2655	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.));
2656	/* this formula differs from the one in periodic_reify because we do not always round up */	2796	periodic_recalc (EV_A_ w);
2657	ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
2658	}	2797	}
2659	else	2798	else
2660	ev_at (w) = w->offset;	2799	ev_at (w) = w->offset;
2661		2800
2662	EV_FREQUENT_CHECK;	2801	EV_FREQUENT_CHECK;
…		…
2711	#endif	2850	#endif
2712		2851
2713	#ifndef SA_RESTART	2852	#ifndef SA_RESTART
2714	# define SA_RESTART 0	2853	# define SA_RESTART 0
2715	#endif	2854	#endif
		2855
		2856	#if EV_SIGNAL_ENABLE
2716		2857
2717	void noinline	2858	void noinline
2718	ev_signal_start (EV_P_ ev_signal *w)	2859	ev_signal_start (EV_P_ ev_signal *w)
2719	{	2860	{
2720	if (expect_false (ev_is_active (w)))	2861	if (expect_false (ev_is_active (w)))
…		…
2781	sa.sa_handler = ev_sighandler;	2922	sa.sa_handler = ev_sighandler;
2782	sigfillset (&sa.sa_mask);	2923	sigfillset (&sa.sa_mask);
2783	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 */
2784	sigaction (w->signum, &sa, 0);	2925	sigaction (w->signum, &sa, 0);
2785		2926
		2927	if (origflags & EVFLAG_NOSIGMASK)
		2928	{
2786	sigemptyset (&sa.sa_mask);	2929	sigemptyset (&sa.sa_mask);
2787	sigaddset (&sa.sa_mask, w->signum);	2930	sigaddset (&sa.sa_mask, w->signum);
2788	sigprocmask (SIG_UNBLOCK, &sa.sa_mask, 0);	2931	sigprocmask (SIG_UNBLOCK, &sa.sa_mask, 0);
		2932	}
2789	#endif	2933	#endif
2790	}	2934	}
2791		2935
2792	EV_FREQUENT_CHECK;	2936	EV_FREQUENT_CHECK;
2793	}	2937	}
…		…
2827	}	2971	}
2828		2972
2829	EV_FREQUENT_CHECK;	2973	EV_FREQUENT_CHECK;
2830	}	2974	}
2831		2975
		2976	#endif
		2977
		2978	#if EV_CHILD_ENABLE
		2979
2832	void	2980	void
2833	ev_child_start (EV_P_ ev_child *w)	2981	ev_child_start (EV_P_ ev_child *w)
2834	{	2982	{
2835	#if EV_MULTIPLICITY	2983	#if EV_MULTIPLICITY
2836	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));
…		…
2839	return;	2987	return;
2840		2988
2841	EV_FREQUENT_CHECK;	2989	EV_FREQUENT_CHECK;
2842		2990
2843	ev_start (EV_A_ (W)w, 1);	2991	ev_start (EV_A_ (W)w, 1);
2844	wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);	2992	wlist_add (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w);
2845		2993
2846	EV_FREQUENT_CHECK;	2994	EV_FREQUENT_CHECK;
2847	}	2995	}
2848		2996
2849	void	2997	void
…		…
2853	if (expect_false (!ev_is_active (w)))	3001	if (expect_false (!ev_is_active (w)))
2854	return;	3002	return;
2855		3003
2856	EV_FREQUENT_CHECK;	3004	EV_FREQUENT_CHECK;
2857		3005
2858	wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);	3006	wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w);
2859	ev_stop (EV_A_ (W)w);	3007	ev_stop (EV_A_ (W)w);
2860		3008
2861	EV_FREQUENT_CHECK;	3009	EV_FREQUENT_CHECK;
2862	}	3010	}
		3011
		3012	#endif
2863		3013
2864	#if EV_STAT_ENABLE	3014	#if EV_STAT_ENABLE
2865		3015
2866	# ifdef _WIN32	3016	# ifdef _WIN32
2867	# undef lstat	3017	# undef lstat
…		…
2928	if (!pend \|\| pend == path)	3078	if (!pend \|\| pend == path)
2929	break;	3079	break;
2930		3080
2931	*pend = 0;	3081	*pend = 0;
2932	w->wd = inotify_add_watch (fs_fd, path, mask);	3082	w->wd = inotify_add_watch (fs_fd, path, mask);
2933	}	3083	}
2934	while (w->wd < 0 && (errno == ENOENT \|\| errno == EACCES));	3084	while (w->wd < 0 && (errno == ENOENT \|\| errno == EACCES));
2935	}	3085	}
2936	}	3086	}
2937		3087
2938	if (w->wd >= 0)	3088	if (w->wd >= 0)
2939	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);
2940		3090
2941	/* now re-arm timer, if required */	3091	/* now re-arm timer, if required */
2942	if (ev_is_active (&w->timer)) ev_ref (EV_A);	3092	if (ev_is_active (&w->timer)) ev_ref (EV_A);
2943	ev_timer_again (EV_A_ &w->timer);	3093	ev_timer_again (EV_A_ &w->timer);
2944	if (ev_is_active (&w->timer)) ev_unref (EV_A);	3094	if (ev_is_active (&w->timer)) ev_unref (EV_A);
…		…
2952		3102
2953	if (wd < 0)	3103	if (wd < 0)
2954	return;	3104	return;
2955		3105
2956	w->wd = -2;	3106	w->wd = -2;
2957	slot = wd & (EV_INOTIFY_HASHSIZE - 1);	3107	slot = wd & ((EV_INOTIFY_HASHSIZE) - 1);
2958	wlist_del (&fs_hash [slot].head, (WL)w);	3108	wlist_del (&fs_hash [slot].head, (WL)w);
2959		3109
2960	/* remove this watcher, if others are watching it, they will rearm */	3110	/* remove this watcher, if others are watching it, they will rearm */
2961	inotify_rm_watch (fs_fd, wd);	3111	inotify_rm_watch (fs_fd, wd);
2962	}	3112	}
…		…
2964	static void noinline	3114	static void noinline
2965	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)
2966	{	3116	{
2967	if (slot < 0)	3117	if (slot < 0)
2968	/* overflow, need to check for all hash slots */	3118	/* overflow, need to check for all hash slots */
2969	for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot)	3119	for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)
2970	infy_wd (EV_A_ slot, wd, ev);	3120	infy_wd (EV_A_ slot, wd, ev);
2971	else	3121	else
2972	{	3122	{
2973	WL w_;	3123	WL w_;
2974		3124
2975	for (w_ = fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head; w_; )	3125	for (w_ = fs_hash [slot & ((EV_INOTIFY_HASHSIZE) - 1)].head; w_; )
2976	{	3126	{
2977	ev_stat w = (ev_stat )w_;	3127	ev_stat w = (ev_stat )w_;
2978	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 */
2979		3129
2980	if (w->wd == wd \|\| wd == -1)	3130	if (w->wd == wd \|\| wd == -1)
2981	{	3131	{
2982	if (ev->mask & (IN_IGNORED \| IN_UNMOUNT \| IN_DELETE_SELF))	3132	if (ev->mask & (IN_IGNORED \| IN_UNMOUNT \| IN_DELETE_SELF))
2983	{	3133	{
2984	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);
2985	w->wd = -1;	3135	w->wd = -1;
2986	infy_add (EV_A_ w); /* re-add, no matter what */	3136	infy_add (EV_A_ w); /* re-add, no matter what */
2987	}	3137	}
2988		3138
2989	stat_timer_cb (EV_A_ &w->timer, 0);	3139	stat_timer_cb (EV_A_ &w->timer, 0);
…		…
3003	{	3153	{
3004	struct inotify_event ev = (struct inotify_event )(buf + ofs);	3154	struct inotify_event ev = (struct inotify_event )(buf + ofs);
3005	infy_wd (EV_A_ ev->wd, ev->wd, ev);	3155	infy_wd (EV_A_ ev->wd, ev->wd, ev);
3006	ofs += sizeof (struct inotify_event) + ev->len;	3156	ofs += sizeof (struct inotify_event) + ev->len;
3007	}	3157	}
3008	}
3009
3010	inline_size unsigned int
3011	ev_linux_version (void)
3012	{
3013	struct utsname buf;
3014	unsigned int v;
3015	int i;
3016	char *p = buf.release;
3017
3018	if (uname (&buf))
3019	return 0;
3020
3021	for (i = 3+1; --i; )
3022	{
3023	unsigned int c = 0;
3024
3025	for (;;)
3026	{
3027	if (p >= '0' && p <= '9')
3028	c = c * 10 + *p++ - '0';
3029	else
3030	{
3031	p += *p == '.';
3032	break;
3033	}
3034	}
3035
3036	v = (v << 8) \| c;
3037	}
3038
3039	return v;
3040	}	3158	}
3041		3159
3042	inline_size void	3160	inline_size void
3043	ev_check_2625 (EV_P)	3161	ev_check_2625 (EV_P)
3044	{	3162	{
…		…
3103	ev_io_set (&fs_w, fs_fd, EV_READ);	3221	ev_io_set (&fs_w, fs_fd, EV_READ);
3104	ev_io_start (EV_A_ &fs_w);	3222	ev_io_start (EV_A_ &fs_w);
3105	ev_unref (EV_A);	3223	ev_unref (EV_A);
3106	}	3224	}
3107		3225
3108	for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot)	3226	for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)
3109	{	3227	{
3110	WL w_ = fs_hash [slot].head;	3228	WL w_ = fs_hash [slot].head;
3111	fs_hash [slot].head = 0;	3229	fs_hash [slot].head = 0;
3112		3230
3113	while (w_)	3231	while (w_)
…		…
3288		3406
3289	EV_FREQUENT_CHECK;	3407	EV_FREQUENT_CHECK;
3290	}	3408	}
3291	#endif	3409	#endif
3292		3410
		3411	#if EV_PREPARE_ENABLE
3293	void	3412	void
3294	ev_prepare_start (EV_P_ ev_prepare *w)	3413	ev_prepare_start (EV_P_ ev_prepare *w)
3295	{	3414	{
3296	if (expect_false (ev_is_active (w)))	3415	if (expect_false (ev_is_active (w)))
3297	return;	3416	return;
…		…
3323		3442
3324	ev_stop (EV_A_ (W)w);	3443	ev_stop (EV_A_ (W)w);
3325		3444
3326	EV_FREQUENT_CHECK;	3445	EV_FREQUENT_CHECK;
3327	}	3446	}
		3447	#endif
3328		3448
		3449	#if EV_CHECK_ENABLE
3329	void	3450	void
3330	ev_check_start (EV_P_ ev_check *w)	3451	ev_check_start (EV_P_ ev_check *w)
3331	{	3452	{
3332	if (expect_false (ev_is_active (w)))	3453	if (expect_false (ev_is_active (w)))
3333	return;	3454	return;
…		…
3359		3480
3360	ev_stop (EV_A_ (W)w);	3481	ev_stop (EV_A_ (W)w);
3361		3482
3362	EV_FREQUENT_CHECK;	3483	EV_FREQUENT_CHECK;
3363	}	3484	}
		3485	#endif
3364		3486
3365	#if EV_EMBED_ENABLE	3487	#if EV_EMBED_ENABLE
3366	void noinline	3488	void noinline
3367	ev_embed_sweep (EV_P_ ev_embed *w)	3489	ev_embed_sweep (EV_P_ ev_embed *w)
3368	{	3490	{
3369	ev_loop (w->other, EVLOOP_NONBLOCK);	3491	ev_run (w->other, EVRUN_NOWAIT);
3370	}	3492	}
3371		3493
3372	static void	3494	static void
3373	embed_io_cb (EV_P_ ev_io *io, int revents)	3495	embed_io_cb (EV_P_ ev_io *io, int revents)
3374	{	3496	{
3375	ev_embed w = (ev_embed )(((char *)io) - offsetof (ev_embed, io));	3497	ev_embed w = (ev_embed )(((char *)io) - offsetof (ev_embed, io));
3376		3498
3377	if (ev_cb (w))	3499	if (ev_cb (w))
3378	ev_feed_event (EV_A_ (W)w, EV_EMBED);	3500	ev_feed_event (EV_A_ (W)w, EV_EMBED);
3379	else	3501	else
3380	ev_loop (w->other, EVLOOP_NONBLOCK);	3502	ev_run (w->other, EVRUN_NOWAIT);
3381	}	3503	}
3382		3504
3383	static void	3505	static void
3384	embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents)	3506	embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents)
3385	{	3507	{
…		…
3389	EV_P = w->other;	3511	EV_P = w->other;
3390		3512
3391	while (fdchangecnt)	3513	while (fdchangecnt)
3392	{	3514	{
3393	fd_reify (EV_A);	3515	fd_reify (EV_A);
3394	ev_loop (EV_A_ EVLOOP_NONBLOCK);	3516	ev_run (EV_A_ EVRUN_NOWAIT);
3395	}	3517	}
3396	}	3518	}
3397	}	3519	}
3398		3520
3399	static void	3521	static void
…		…
3405		3527
3406	{	3528	{
3407	EV_P = w->other;	3529	EV_P = w->other;
3408		3530
3409	ev_loop_fork (EV_A);	3531	ev_loop_fork (EV_A);
3410	ev_loop (EV_A_ EVLOOP_NONBLOCK);	3532	ev_run (EV_A_ EVRUN_NOWAIT);
3411	}	3533	}
3412		3534
3413	ev_embed_start (EV_A_ w);	3535	ev_embed_start (EV_A_ w);
3414	}	3536	}
3415		3537
…		…
3507		3629
3508	EV_FREQUENT_CHECK;	3630	EV_FREQUENT_CHECK;
3509	}	3631	}
3510	#endif	3632	#endif
3511		3633
3512	#if EV_ASYNC_ENABLE	3634	#if EV_CLEANUP_ENABLE
3513	void	3635	void
3514	ev_async_start (EV_P_ ev_async *w)	3636	ev_cleanup_start (EV_P_ ev_cleanup *w)
3515	{	3637	{
3516	if (expect_false (ev_is_active (w)))	3638	if (expect_false (ev_is_active (w)))
3517	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;
3518		3683
3519	evpipe_init (EV_A);	3684	evpipe_init (EV_A);
3520		3685
3521	EV_FREQUENT_CHECK;	3686	EV_FREQUENT_CHECK;
3522		3687
…		…
3600	{	3765	{
3601	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));
3602		3767
3603	if (expect_false (!once))	3768	if (expect_false (!once))
3604	{	3769	{
3605	cb (EV_ERROR \| EV_READ \| EV_WRITE \| EV_TIMEOUT, arg);	3770	cb (EV_ERROR \| EV_READ \| EV_WRITE \| EV_TIMER, arg);
3606	return;	3771	return;
3607	}	3772	}
3608		3773
3609	once->cb = cb;	3774	once->cb = cb;
3610	once->arg = arg;	3775	once->arg = arg;
…		…
3697	if (types & EV_ASYNC)	3862	if (types & EV_ASYNC)
3698	for (i = asynccnt; i--; )	3863	for (i = asynccnt; i--; )
3699	cb (EV_A_ EV_ASYNC, asyncs [i]);	3864	cb (EV_A_ EV_ASYNC, asyncs [i]);
3700	#endif	3865	#endif
3701		3866
		3867	#if EV_PREPARE_ENABLE
3702	if (types & EV_PREPARE)	3868	if (types & EV_PREPARE)
3703	for (i = preparecnt; i--; )	3869	for (i = preparecnt; i--; )
3704	#if EV_EMBED_ENABLE	3870	# if EV_EMBED_ENABLE
3705	if (ev_cb (prepares [i]) != embed_prepare_cb)	3871	if (ev_cb (prepares [i]) != embed_prepare_cb)
3706	#endif	3872	# endif
3707	cb (EV_A_ EV_PREPARE, prepares [i]);	3873	cb (EV_A_ EV_PREPARE, prepares [i]);
		3874	#endif
3708		3875
		3876	#if EV_CHECK_ENABLE
3709	if (types & EV_CHECK)	3877	if (types & EV_CHECK)
3710	for (i = checkcnt; i--; )	3878	for (i = checkcnt; i--; )
3711	cb (EV_A_ EV_CHECK, checks [i]);	3879	cb (EV_A_ EV_CHECK, checks [i]);
		3880	#endif
3712		3881
		3882	#if EV_SIGNAL_ENABLE
3713	if (types & EV_SIGNAL)	3883	if (types & EV_SIGNAL)
3714	for (i = 0; i < EV_NSIG - 1; ++i)	3884	for (i = 0; i < EV_NSIG - 1; ++i)
3715	for (wl = signals [i].head; wl; )	3885	for (wl = signals [i].head; wl; )
3716	{	3886	{
3717	wn = wl->next;	3887	wn = wl->next;
3718	cb (EV_A_ EV_SIGNAL, wl);	3888	cb (EV_A_ EV_SIGNAL, wl);
3719	wl = wn;	3889	wl = wn;
3720	}	3890	}
		3891	#endif
3721		3892
		3893	#if EV_CHILD_ENABLE
3722	if (types & EV_CHILD)	3894	if (types & EV_CHILD)
3723	for (i = EV_PID_HASHSIZE; i--; )	3895	for (i = (EV_PID_HASHSIZE); i--; )
3724	for (wl = childs [i]; wl; )	3896	for (wl = childs [i]; wl; )
3725	{	3897	{
3726	wn = wl->next;	3898	wn = wl->next;
3727	cb (EV_A_ EV_CHILD, wl);	3899	cb (EV_A_ EV_CHILD, wl);
3728	wl = wn;	3900	wl = wn;
3729	}	3901	}
		3902	#endif
3730	/* EV_STAT 0x00001000 /* stat data changed */	3903	/* EV_STAT 0x00001000 /* stat data changed */
3731	/* EV_EMBED 0x00010000 /* embedded event loop needs sweep */	3904	/* EV_EMBED 0x00010000 /* embedded event loop needs sweep */
3732	}	3905	}
3733	#endif	3906	#endif
3734		3907
3735	#if EV_MULTIPLICITY	3908	#if EV_MULTIPLICITY
3736	#include "ev_wrap.h"	3909	#include "ev_wrap.h"
3737	#endif	3910	#endif
3738		3911
3739	#ifdef __cplusplus	3912	EV_CPP(})
3740	}
3741	#endif
3742		3913

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Comparing libev/ev.c (file contents): Revision 1.330 by root, Tue Mar 9 08:46:17 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 1.330 by root, Tue Mar 9 08:46:17 2010 UTC vs.
Revision 1.372 by root, Wed Feb 16 08:02:50 2011 UTC