[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 1.356 by root, Fri Oct 22 11:21:52 2010 UTC

…		…
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
…		…
373	# include <sys/select.h>	382	# include <sys/select.h>
374	# endif	383	# endif
375	#endif	384	#endif
376		385
377	#if EV_USE_INOTIFY	386	#if EV_USE_INOTIFY
378	# include <sys/utsname.h>
379	# include <sys/statfs.h>	387	# include <sys/statfs.h>
380	# include <sys/inotify.h>	388	# include <sys/inotify.h>
381	/* some very old inotify.h headers don't have IN_DONT_FOLLOW */	389	/* some very old inotify.h headers don't have IN_DONT_FOLLOW */
382	# ifndef IN_DONT_FOLLOW	390	# ifndef IN_DONT_FOLLOW
383	# undef EV_USE_INOTIFY	391	# undef EV_USE_INOTIFY
…		…
400	# define EFD_CLOEXEC O_CLOEXEC	408	# define EFD_CLOEXEC O_CLOEXEC
401	# else	409	# else
402	# define EFD_CLOEXEC 02000000	410	# define EFD_CLOEXEC 02000000
403	# endif	411	# endif
404	# endif	412	# endif
405	# ifdef __cplusplus
406	extern "C" {
407	# endif
408	int (eventfd) (unsigned int initval, int flags);	413	EV_CPP(extern "C") int (eventfd) (unsigned int initval, int flags);
409	# ifdef __cplusplus
410	}
411	# endif
412	#endif	414	#endif
413		415
414	#if EV_USE_SIGNALFD	416	#if EV_USE_SIGNALFD
415	/* our minimum requirement is glibc 2.7 which has the stub, but not the header */	417	/* our minimum requirement is glibc 2.7 which has the stub, but not the header */
416	# include <stdint.h>	418	# include <stdint.h>
…		…
422	# define SFD_CLOEXEC O_CLOEXEC	424	# define SFD_CLOEXEC O_CLOEXEC
423	# else	425	# else
424	# define SFD_CLOEXEC 02000000	426	# define SFD_CLOEXEC 02000000
425	# endif	427	# endif
426	# endif	428	# endif
427	# ifdef __cplusplus
428	extern "C" {
429	# endif
430	int signalfd (int fd, const sigset_t *mask, int flags);	429	EV_CPP (extern "C") int signalfd (int fd, const sigset_t *mask, int flags);
431		430
432	struct signalfd_siginfo	431	struct signalfd_siginfo
433	{	432	{
434	uint32_t ssi_signo;	433	uint32_t ssi_signo;
435	char pad[128 - sizeof (uint32_t)];	434	char pad[128 - sizeof (uint32_t)];
436	};	435	};
437	# ifdef __cplusplus
438	}
439	# endif	436	#endif
440	#endif
441
442		437
443	/**/	438	/**/
444		439
445	#if EV_VERIFY >= 3	440	#if EV_VERIFY >= 3
446	# define EV_FREQUENT_CHECK ev_loop_verify (EV_A)	441	# define EV_FREQUENT_CHECK ev_verify (EV_A)
447	#else	442	#else
448	# define EV_FREQUENT_CHECK do { } while (0)	443	# define EV_FREQUENT_CHECK do { } while (0)
449	#endif	444	#endif
450		445
451	/*	446	/*
…		…
459	#define TIME_EPSILON 0.0001220703125 /* 1/8192 */	454	#define TIME_EPSILON 0.0001220703125 /* 1/8192 */
460		455
461	#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */	456	#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) */	457	#define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */
463		458
		459	#define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } while (0)
		460	#define EV_TS_SET(ts,t) do { ts.tv_sec = (long)t; ts.tv_nsec = (long)((t - ts.tv_sec) * 1e9); } while (0)
		461
464	#if __GNUC__ >= 4	462	#if __GNUC__ >= 4
465	# define expect(expr,value) __builtin_expect ((expr),(value))	463	# define expect(expr,value) __builtin_expect ((expr),(value))
466	# define noinline __attribute__ ((noinline))	464	# define noinline __attribute__ ((noinline))
467	#else	465	#else
468	# define expect(expr,value) (expr)	466	# define expect(expr,value) (expr)
…		…
474		472
475	#define expect_false(expr) expect ((expr) != 0, 0)	473	#define expect_false(expr) expect ((expr) != 0, 0)
476	#define expect_true(expr) expect ((expr) != 0, 1)	474	#define expect_true(expr) expect ((expr) != 0, 1)
477	#define inline_size static inline	475	#define inline_size static inline
478		476
479	#if EV_MINIMAL	477	#if EV_FEATURE_CODE
		478	# define inline_speed static inline
		479	#else
480	# define inline_speed static noinline	480	# define inline_speed static noinline
481	#else
482	# define inline_speed static inline
483	#endif	481	#endif
484		482
485	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)	483	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
486		484
487	#if EV_MINPRI == EV_MAXPRI	485	#if EV_MINPRI == EV_MAXPRI
…		…
500	#define ev_active(w) ((W)(w))->active	498	#define ev_active(w) ((W)(w))->active
501	#define ev_at(w) ((WT)(w))->at	499	#define ev_at(w) ((WT)(w))->at
502		500
503	#if EV_USE_REALTIME	501	#if EV_USE_REALTIME
504	/* sig_atomic_t is used to avoid per-thread variables or locking but still */	502	/* 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 */	503	/* giving it a reasonably high chance of working on typical architectures */
506	static EV_ATOMIC_T have_realtime; /* did clock_gettime (CLOCK_REALTIME) work? */	504	static EV_ATOMIC_T have_realtime; /* did clock_gettime (CLOCK_REALTIME) work? */
507	#endif	505	#endif
508		506
509	#if EV_USE_MONOTONIC	507	#if EV_USE_MONOTONIC
510	static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */	508	static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */
…		…
523	#ifdef _WIN32	521	#ifdef _WIN32
524	# include "ev_win32.c"	522	# include "ev_win32.c"
525	#endif	523	#endif
526		524
527	/*****************************************************************************/	525	/*****************************************************************************/
		526
		527	#ifdef __linux
		528	# include <sys/utsname.h>
		529	#endif
		530
		531	static unsigned int noinline
		532	ev_linux_version (void)
		533	{
		534	#ifdef __linux
		535	struct utsname buf;
		536	unsigned int v;
		537	int i;
		538	char *p = buf.release;
		539
		540	if (uname (&buf))
		541	return 0;
		542
		543	for (i = 3+1; --i; )
		544	{
		545	unsigned int c = 0;
		546
		547	for (;;)
		548	{
		549	if (p >= '0' && p <= '9')
		550	c = c * 10 + *p++ - '0';
		551	else
		552	{
		553	p += *p == '.';
		554	break;
		555	}
		556	}
		557
		558	v = (v << 8) \| c;
		559	}
		560
		561	return v;
		562	#else
		563	return 0;
		564	#endif
		565	}
		566
		567	/*****************************************************************************/
		568
		569	#if EV_AVOID_STDIO
		570	static void noinline
		571	ev_printerr (const char *msg)
		572	{
		573	write (STDERR_FILENO, msg, strlen (msg));
		574	}
		575	#endif
528		576
529	static void (syserr_cb)(const char msg);	577	static void (syserr_cb)(const char msg);
530		578
531	void	579	void
532	ev_set_syserr_cb (void (cb)(const char msg))	580	ev_set_syserr_cb (void (cb)(const char msg))
…		…
543	if (syserr_cb)	591	if (syserr_cb)
544	syserr_cb (msg);	592	syserr_cb (msg);
545	else	593	else
546	{	594	{
547	#if EV_AVOID_STDIO	595	#if EV_AVOID_STDIO
548	write (STDERR_FILENO, msg, strlen (msg));
549	write (STDERR_FILENO, ": ", 2);
550	msg = strerror (errno);	596	const char *err = strerror (errno);
551	write (STDERR_FILENO, msg, strlen (msg));	597
552	write (STDERR_FILENO, "\n", 1);	598	ev_printerr (msg);
		599	ev_printerr (": ");
		600	ev_printerr (err);
		601	ev_printerr ("\n");
553	#else	602	#else
554	perror (msg);	603	perror (msg);
555	#endif	604	#endif
556	abort ();	605	abort ();
557	}	606	}
558	}	607	}
559		608
560	static void *	609	static void *
561	ev_realloc_emul (void *ptr, long size)	610	ev_realloc_emul (void *ptr, long size)
562	{	611	{
		612	#if __GLIBC__
		613	return realloc (ptr, size);
		614	#else
563	/* some systems, notably openbsd and darwin, fail to properly	615	/* some systems, notably openbsd and darwin, fail to properly
564	* implement realloc (x, 0) (as required by both ansi c-98 and	616	* implement realloc (x, 0) (as required by both ansi c-89 and
565	* the single unix specification, so work around them here.	617	* the single unix specification, so work around them here.
566	*/	618	*/
567		619
568	if (size)	620	if (size)
569	return realloc (ptr, size);	621	return realloc (ptr, size);
570		622
571	free (ptr);	623	free (ptr);
572	return 0;	624	return 0;
		625	#endif
573	}	626	}
574		627
575	static void (alloc)(void *ptr, long size) = ev_realloc_emul;	628	static void (alloc)(void *ptr, long size) = ev_realloc_emul;
576		629
577	void	630	void
…		…
586	ptr = alloc (ptr, size);	639	ptr = alloc (ptr, size);
587		640
588	if (!ptr && size)	641	if (!ptr && size)
589	{	642	{
590	#if EV_AVOID_STDIO	643	#if EV_AVOID_STDIO
591	write (STDERR_FILENO, "libev: memory allocation failed, aborting.",	644	ev_printerr ("libev: memory allocation failed, aborting.\n");
592	sizeof ("libev: memory allocation failed, aborting.") - 1);
593	#else	645	#else
594	fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size);	646	fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size);
595	#endif	647	#endif
596	abort ();	648	abort ();
597	}	649	}
…		…
682		734
683	static int ev_default_loop_ptr;	735	static int ev_default_loop_ptr;
684		736
685	#endif	737	#endif
686		738
687	#if EV_MINIMAL < 2	739	#if EV_FEATURE_API
688	# define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A)	740	# 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)	741	# define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A)
690	# define EV_INVOKE_PENDING invoke_cb (EV_A)	742	# define EV_INVOKE_PENDING invoke_cb (EV_A)
691	#else	743	#else
692	# define EV_RELEASE_CB (void)0	744	# define EV_RELEASE_CB (void)0
693	# define EV_ACQUIRE_CB (void)0	745	# define EV_ACQUIRE_CB (void)0
694	# define EV_INVOKE_PENDING ev_invoke_pending (EV_A)	746	# define EV_INVOKE_PENDING ev_invoke_pending (EV_A)
695	#endif	747	#endif
696		748
697	#define EVUNLOOP_RECURSE 0x80	749	#define EVBREAK_RECURSE 0x80
698		750
699	/*****************************************************************************/	751	/*****************************************************************************/
700		752
701	#ifndef EV_HAVE_EV_TIME	753	#ifndef EV_HAVE_EV_TIME
702	ev_tstamp	754	ev_tstamp
…		…
746	if (delay > 0.)	798	if (delay > 0.)
747	{	799	{
748	#if EV_USE_NANOSLEEP	800	#if EV_USE_NANOSLEEP
749	struct timespec ts;	801	struct timespec ts;
750		802
751	ts.tv_sec = (time_t)delay;	803	EV_TS_SET (ts, delay);
752	ts.tv_nsec = (long)((delay - (ev_tstamp)(ts.tv_sec)) * 1e9);
753
754	nanosleep (&ts, 0);	804	nanosleep (&ts, 0);
755	#elif defined(_WIN32)	805	#elif defined(_WIN32)
756	Sleep ((unsigned long)(delay * 1e3));	806	Sleep ((unsigned long)(delay * 1e3));
757	#else	807	#else
758	struct timeval tv;	808	struct timeval tv;
759		809
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 */	810	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */
764	/* something not guaranteed by newer posix versions, but guaranteed */	811	/* something not guaranteed by newer posix versions, but guaranteed */
765	/* by older ones */	812	/* by older ones */
		813	EV_TV_SET (tv, delay);
766	select (0, 0, 0, 0, &tv);	814	select (0, 0, 0, 0, &tv);
767	#endif	815	#endif
768	}	816	}
769	}	817	}
770		818
771	/*****************************************************************************/	819	/*****************************************************************************/
772		820
773	#define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2*n and >> 4 longs /	821	#define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2*n and >> 4 longs /
774		822
775	/* find a suitable new size for the given array, */	823	/* find a suitable new size for the given array, */
776	/* hopefully by rounding to a ncie-to-malloc size */	824	/* hopefully by rounding to a nice-to-malloc size */
777	inline_size int	825	inline_size int
778	array_nextsize (int elem, int cur, int cnt)	826	array_nextsize (int elem, int cur, int cnt)
779	{	827	{
780	int ncur = cur + 1;	828	int ncur = cur + 1;
781		829
…		…
877	}	925	}
878		926
879	/*****************************************************************************/	927	/*****************************************************************************/
880		928
881	inline_speed void	929	inline_speed void
882	fd_event_nc (EV_P_ int fd, int revents)	930	fd_event_nocheck (EV_P_ int fd, int revents)
883	{	931	{
884	ANFD *anfd = anfds + fd;	932	ANFD *anfd = anfds + fd;
885	ev_io *w;	933	ev_io *w;
886		934
887	for (w = (ev_io )anfd->head; w; w = (ev_io )((WL)w)->next)	935	for (w = (ev_io )anfd->head; w; w = (ev_io )((WL)w)->next)
…		…
899	fd_event (EV_P_ int fd, int revents)	947	fd_event (EV_P_ int fd, int revents)
900	{	948	{
901	ANFD *anfd = anfds + fd;	949	ANFD *anfd = anfds + fd;
902		950
903	if (expect_true (!anfd->reify))	951	if (expect_true (!anfd->reify))
904	fd_event_nc (EV_A_ fd, revents);	952	fd_event_nocheck (EV_A_ fd, revents);
905	}	953	}
906		954
907	void	955	void
908	ev_feed_fd_event (EV_P_ int fd, int revents)	956	ev_feed_fd_event (EV_P_ int fd, int revents)
909	{	957	{
910	if (fd >= 0 && fd < anfdmax)	958	if (fd >= 0 && fd < anfdmax)
911	fd_event_nc (EV_A_ fd, revents);	959	fd_event_nocheck (EV_A_ fd, revents);
912	}	960	}
913		961
914	/* make sure the external fd watch events are in-sync */	962	/* make sure the external fd watch events are in-sync */
915	/* with the kernel/libev internal state */	963	/* with the kernel/libev internal state */
916	inline_size void	964	inline_size void
…		…
922	{	970	{
923	int fd = fdchanges [i];	971	int fd = fdchanges [i];
924	ANFD *anfd = anfds + fd;	972	ANFD *anfd = anfds + fd;
925	ev_io *w;	973	ev_io *w;
926		974
927	unsigned char events = 0;	975	unsigned char o_events = anfd->events;
		976	unsigned char o_reify = anfd->reify;
928		977
929	for (w = (ev_io )anfd->head; w; w = (ev_io )((WL)w)->next)	978	anfd->reify = 0;
930	events \|= (unsigned char)w->events;
931		979
932	#if EV_SELECT_IS_WINSOCKET	980	#if EV_SELECT_IS_WINSOCKET
933	if (events)	981	if (o_reify & EV__IOFDSET)
934	{	982	{
935	unsigned long arg;	983	unsigned long arg;
936	anfd->handle = EV_FD_TO_WIN32_HANDLE (fd);	984	anfd->handle = EV_FD_TO_WIN32_HANDLE (fd);
937	assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0));	985	assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0));
938	}	986	}
939	#endif	987	#endif
940		988
		989	/if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation /
941	{	990	{
942	unsigned char o_events = anfd->events;
943	unsigned char o_reify = anfd->reify;
944
945	anfd->reify = 0;
946	anfd->events = events;	991	anfd->events = 0;
947		992
948	if (o_events != events \|\| o_reify & EV__IOFDSET)	993	for (w = (ev_io )anfd->head; w; w = (ev_io )((WL)w)->next)
		994	anfd->events \|= (unsigned char)w->events;
		995
		996	if (o_events != anfd->events)
		997	o_reify = EV__IOFDSET; /* actually \|= */
		998	}
		999
		1000	if (o_reify & EV__IOFDSET)
949	backend_modify (EV_A_ fd, o_events, events);	1001	backend_modify (EV_A_ fd, o_events, anfd->events);
950	}
951	}	1002	}
952		1003
953	fdchangecnt = 0;	1004	fdchangecnt = 0;
954	}	1005	}
955		1006
…		…
979	ev_io_stop (EV_A_ w);	1030	ev_io_stop (EV_A_ w);
980	ev_feed_event (EV_A_ (W)w, EV_ERROR \| EV_READ \| EV_WRITE);	1031	ev_feed_event (EV_A_ (W)w, EV_ERROR \| EV_READ \| EV_WRITE);
981	}	1032	}
982	}	1033	}
983		1034
984	/* check whether the given fd is atcually valid, for error recovery */	1035	/* check whether the given fd is actually valid, for error recovery */
985	inline_size int	1036	inline_size int
986	fd_valid (int fd)	1037	fd_valid (int fd)
987	{	1038	{
988	#ifdef _WIN32	1039	#ifdef _WIN32
989	return EV_FD_TO_WIN32_HANDLE (fd) != -1;	1040	return EV_FD_TO_WIN32_HANDLE (fd) != -1;
…		…
1031	anfds [fd].emask = 0;	1082	anfds [fd].emask = 0;
1032	fd_change (EV_A_ fd, EV__IOFDSET \| EV_ANFD_REIFY);	1083	fd_change (EV_A_ fd, EV__IOFDSET \| EV_ANFD_REIFY);
1033	}	1084	}
1034	}	1085	}
1035		1086
		1087	/* used to prepare libev internal fd's */
		1088	/* this is not fork-safe */
		1089	inline_speed void
		1090	fd_intern (int fd)
		1091	{
		1092	#ifdef _WIN32
		1093	unsigned long arg = 1;
		1094	ioctlsocket (EV_FD_TO_WIN32_HANDLE (fd), FIONBIO, &arg);
		1095	#else
		1096	fcntl (fd, F_SETFD, FD_CLOEXEC);
		1097	fcntl (fd, F_SETFL, O_NONBLOCK);
		1098	#endif
		1099	}
		1100
1036	/*****************************************************************************/	1101	/*****************************************************************************/
1037		1102
1038	/*	1103	/*
1039	* the heap functions want a real array index. array index 0 uis guaranteed to not	1104	* 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	1105	* be in-use at any time. the first heap entry is at array [HEAP0]. DHEAP gives
1041	* the branching factor of the d-tree.	1106	* the branching factor of the d-tree.
1042	*/	1107	*/
1043		1108
1044	/*	1109	/*
…		…
1192		1257
1193	static ANSIG signals [EV_NSIG - 1];	1258	static ANSIG signals [EV_NSIG - 1];
1194		1259
1195	/*****************************************************************************/	1260	/*****************************************************************************/
1196		1261
1197	/* used to prepare libev internal fd's */	1262	#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		1263
1211	static void noinline	1264	static void noinline
1212	evpipe_init (EV_P)	1265	evpipe_init (EV_P)
1213	{	1266	{
1214	if (!ev_is_active (&pipe_w))	1267	if (!ev_is_active (&pipe_w))
1215	{	1268	{
1216	#if EV_USE_EVENTFD	1269	# if EV_USE_EVENTFD
1217	evfd = eventfd (0, EFD_NONBLOCK \| EFD_CLOEXEC);	1270	evfd = eventfd (0, EFD_NONBLOCK \| EFD_CLOEXEC);
1218	if (evfd < 0 && errno == EINVAL)	1271	if (evfd < 0 && errno == EINVAL)
1219	evfd = eventfd (0, 0);	1272	evfd = eventfd (0, 0);
1220		1273
1221	if (evfd >= 0)	1274	if (evfd >= 0)
…		…
1223	evpipe [0] = -1;	1276	evpipe [0] = -1;
1224	fd_intern (evfd); /* doing it twice doesn't hurt */	1277	fd_intern (evfd); /* doing it twice doesn't hurt */
1225	ev_io_set (&pipe_w, evfd, EV_READ);	1278	ev_io_set (&pipe_w, evfd, EV_READ);
1226	}	1279	}
1227	else	1280	else
1228	#endif	1281	# endif
1229	{	1282	{
1230	while (pipe (evpipe))	1283	while (pipe (evpipe))
1231	ev_syserr ("(libev) error creating signal/async pipe");	1284	ev_syserr ("(libev) error creating signal/async pipe");
1232		1285
1233	fd_intern (evpipe [0]);	1286	fd_intern (evpipe [0]);
…		…
1244	evpipe_write (EV_P_ EV_ATOMIC_T *flag)	1297	evpipe_write (EV_P_ EV_ATOMIC_T *flag)
1245	{	1298	{
1246	if (!*flag)	1299	if (!*flag)
1247	{	1300	{
1248	int old_errno = errno; /* save errno because write might clobber it */	1301	int old_errno = errno; /* save errno because write might clobber it */
		1302	char dummy;
1249		1303
1250	*flag = 1;	1304	*flag = 1;
1251		1305
1252	#if EV_USE_EVENTFD	1306	#if EV_USE_EVENTFD
1253	if (evfd >= 0)	1307	if (evfd >= 0)
…		…
1255	uint64_t counter = 1;	1309	uint64_t counter = 1;
1256	write (evfd, &counter, sizeof (uint64_t));	1310	write (evfd, &counter, sizeof (uint64_t));
1257	}	1311	}
1258	else	1312	else
1259	#endif	1313	#endif
		1314	/* win32 people keep sending patches that change this write() to send() */
		1315	/* and then run away. but send() is wrong, it wants a socket handle on win32 */
		1316	/* so when you think this write should be a send instead, please find out */
		1317	/* where your send() is from - it's definitely not the microsoft send, and */
		1318	/* tell me. thank you. */
1260	write (evpipe [1], &old_errno, 1);	1319	write (evpipe [1], &dummy, 1);
1261		1320
1262	errno = old_errno;	1321	errno = old_errno;
1263	}	1322	}
1264	}	1323	}
1265		1324
…		…
1278	}	1337	}
1279	else	1338	else
1280	#endif	1339	#endif
1281	{	1340	{
1282	char dummy;	1341	char dummy;
		1342	/* see discussion in evpipe_write when you think this read should be recv in win32 */
1283	read (evpipe [0], &dummy, 1);	1343	read (evpipe [0], &dummy, 1);
1284	}	1344	}
1285		1345
1286	if (sig_pending)	1346	if (sig_pending)
1287	{	1347	{
…		…
1366	break;	1426	break;
1367	}	1427	}
1368	}	1428	}
1369	#endif	1429	#endif
1370		1430
		1431	#endif
		1432
1371	/*****************************************************************************/	1433	/*****************************************************************************/
1372		1434
		1435	#if EV_CHILD_ENABLE
1373	static WL childs [EV_PID_HASHSIZE];	1436	static WL childs [EV_PID_HASHSIZE];
1374
1375	#ifndef _WIN32
1376		1437
1377	static ev_signal childev;	1438	static ev_signal childev;
1378		1439
1379	#ifndef WIFCONTINUED	1440	#ifndef WIFCONTINUED
1380	# define WIFCONTINUED(status) 0	1441	# define WIFCONTINUED(status) 0
…		…
1385	child_reap (EV_P_ int chain, int pid, int status)	1446	child_reap (EV_P_ int chain, int pid, int status)
1386	{	1447	{
1387	ev_child *w;	1448	ev_child *w;
1388	int traced = WIFSTOPPED (status) \|\| WIFCONTINUED (status);	1449	int traced = WIFSTOPPED (status) \|\| WIFCONTINUED (status);
1389		1450
1390	for (w = (ev_child )childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child )((WL)w)->next)	1451	for (w = (ev_child )childs [chain & ((EV_PID_HASHSIZE) - 1)]; w; w = (ev_child )((WL)w)->next)
1391	{	1452	{
1392	if ((w->pid == pid \|\| !w->pid)	1453	if ((w->pid == pid \|\| !w->pid)
1393	&& (!traced \|\| (w->flags & 1)))	1454	&& (!traced \|\| (w->flags & 1)))
1394	{	1455	{
1395	ev_set_priority (w, EV_MAXPRI); /* need to do it now, this must be the same prio as the signal watcher itself */	1456	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 */	1481	/* 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 */	1482	/* 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);	1483	ev_feed_event (EV_A_ (W)sw, EV_SIGNAL);
1423		1484
1424	child_reap (EV_A_ pid, pid, status);	1485	child_reap (EV_A_ pid, pid, status);
1425	if (EV_PID_HASHSIZE > 1)	1486	if ((EV_PID_HASHSIZE) > 1)
1426	child_reap (EV_A_ 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */	1487	child_reap (EV_A_ 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */
1427	}	1488	}
1428		1489
1429	#endif	1490	#endif
1430		1491
…		…
1497	#ifdef __APPLE__	1558	#ifdef __APPLE__
1498	/* only select works correctly on that "unix-certified" platform */	1559	/* only select works correctly on that "unix-certified" platform */
1499	flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */	1560	flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */
1500	flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */	1561	flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */
1501	#endif	1562	#endif
		1563	#ifdef __FreeBSD__
		1564	flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */
		1565	#endif
1502		1566
1503	return flags;	1567	return flags;
1504	}	1568	}
1505		1569
1506	unsigned int	1570	unsigned int
1507	ev_embeddable_backends (void)	1571	ev_embeddable_backends (void)
1508	{	1572	{
1509	int flags = EVBACKEND_EPOLL \| EVBACKEND_KQUEUE \| EVBACKEND_PORT;	1573	int flags = EVBACKEND_EPOLL \| EVBACKEND_KQUEUE \| EVBACKEND_PORT;
1510		1574
1511	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */	1575	/* 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 */	1576	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
1513	flags &= ~EVBACKEND_EPOLL;	1577	flags &= ~EVBACKEND_EPOLL;
1514		1578
1515	return flags;	1579	return flags;
1516	}	1580	}
1517		1581
1518	unsigned int	1582	unsigned int
1519	ev_backend (EV_P)	1583	ev_backend (EV_P)
1520	{	1584	{
1521	return backend;	1585	return backend;
1522	}	1586	}
1523		1587
1524	#if EV_MINIMAL < 2	1588	#if EV_FEATURE_API
1525	unsigned int	1589	unsigned int
1526	ev_loop_count (EV_P)	1590	ev_iteration (EV_P)
1527	{	1591	{
1528	return loop_count;	1592	return loop_count;
1529	}	1593	}
1530		1594
1531	unsigned int	1595	unsigned int
1532	ev_loop_depth (EV_P)	1596	ev_depth (EV_P)
1533	{	1597	{
1534	return loop_depth;	1598	return loop_depth;
1535	}	1599	}
1536		1600
1537	void	1601	void
…		…
1609		1673
1610	ev_rt_now = ev_time ();	1674	ev_rt_now = ev_time ();
1611	mn_now = get_clock ();	1675	mn_now = get_clock ();
1612	now_floor = mn_now;	1676	now_floor = mn_now;
1613	rtmn_diff = ev_rt_now - mn_now;	1677	rtmn_diff = ev_rt_now - mn_now;
1614	#if EV_MINIMAL < 2	1678	#if EV_FEATURE_API
1615	invoke_cb = ev_invoke_pending;	1679	invoke_cb = ev_invoke_pending;
1616	#endif	1680	#endif
1617		1681
1618	io_blocktime = 0.;	1682	io_blocktime = 0.;
1619	timeout_blocktime = 0.;	1683	timeout_blocktime = 0.;
…		…
1649	if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags);	1713	if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags);
1650	#endif	1714	#endif
1651		1715
1652	ev_prepare_init (&pending_w, pendingcb);	1716	ev_prepare_init (&pending_w, pendingcb);
1653		1717
		1718	#if EV_SIGNAL_ENABLE \|\| EV_ASYNC_ENABLE
1654	ev_init (&pipe_w, pipecb);	1719	ev_init (&pipe_w, pipecb);
1655	ev_set_priority (&pipe_w, EV_MAXPRI);	1720	ev_set_priority (&pipe_w, EV_MAXPRI);
		1721	#endif
1656	}	1722	}
1657	}	1723	}
1658		1724
1659	/* free up a loop structure */	1725	/* free up a loop structure */
1660	static void noinline	1726	static void noinline
…		…
1778	{	1844	{
1779	EV_WIN32_CLOSE_FD (evpipe [0]);	1845	EV_WIN32_CLOSE_FD (evpipe [0]);
1780	EV_WIN32_CLOSE_FD (evpipe [1]);	1846	EV_WIN32_CLOSE_FD (evpipe [1]);
1781	}	1847	}
1782		1848
		1849	#if EV_SIGNAL_ENABLE \|\| EV_ASYNC_ENABLE
1783	evpipe_init (EV_A);	1850	evpipe_init (EV_A);
1784	/* now iterate over everything, in case we missed something */	1851	/* now iterate over everything, in case we missed something */
1785	pipecb (EV_A_ &pipe_w, EV_READ);	1852	pipecb (EV_A_ &pipe_w, EV_READ);
		1853	#endif
1786	}	1854	}
1787		1855
1788	postfork = 0;	1856	postfork = 0;
1789	}	1857	}
1790		1858
…		…
1852	verify_watcher (EV_A_ ws [cnt]);	1920	verify_watcher (EV_A_ ws [cnt]);
1853	}	1921	}
1854	}	1922	}
1855	#endif	1923	#endif
1856		1924
1857	#if EV_MINIMAL < 2	1925	#if EV_FEATURE_API
1858	void	1926	void
1859	ev_loop_verify (EV_P)	1927	ev_verify (EV_P)
1860	{	1928	{
1861	#if EV_VERIFY	1929	#if EV_VERIFY
1862	int i;	1930	int i;
1863	WL w;	1931	WL w;
1864		1932
…		…
1903	#if EV_ASYNC_ENABLE	1971	#if EV_ASYNC_ENABLE
1904	assert (asyncmax >= asynccnt);	1972	assert (asyncmax >= asynccnt);
1905	array_verify (EV_A_ (W *)asyncs, asynccnt);	1973	array_verify (EV_A_ (W *)asyncs, asynccnt);
1906	#endif	1974	#endif
1907		1975
		1976	#if EV_PREPARE_ENABLE
1908	assert (preparemax >= preparecnt);	1977	assert (preparemax >= preparecnt);
1909	array_verify (EV_A_ (W *)prepares, preparecnt);	1978	array_verify (EV_A_ (W *)prepares, preparecnt);
		1979	#endif
1910		1980
		1981	#if EV_CHECK_ENABLE
1911	assert (checkmax >= checkcnt);	1982	assert (checkmax >= checkcnt);
1912	array_verify (EV_A_ (W *)checks, checkcnt);	1983	array_verify (EV_A_ (W *)checks, checkcnt);
		1984	#endif
1913		1985
1914	# if 0	1986	# if 0
		1987	#if EV_CHILD_ENABLE
1915	for (w = (ev_child )childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child )((WL)w)->next)	1988	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)	1989	for (signum = EV_NSIG; signum--; ) if (signals [signum].pending)
		1990	#endif
1917	# endif	1991	# endif
1918	#endif	1992	#endif
1919	}	1993	}
1920	#endif	1994	#endif
1921		1995
…		…
1937		2011
1938	loop_init (EV_A_ flags);	2012	loop_init (EV_A_ flags);
1939		2013
1940	if (ev_backend (EV_A))	2014	if (ev_backend (EV_A))
1941	{	2015	{
1942	#ifndef _WIN32	2016	#if EV_CHILD_ENABLE
1943	ev_signal_init (&childev, childcb, SIGCHLD);	2017	ev_signal_init (&childev, childcb, SIGCHLD);
1944	ev_set_priority (&childev, EV_MAXPRI);	2018	ev_set_priority (&childev, EV_MAXPRI);
1945	ev_signal_start (EV_A_ &childev);	2019	ev_signal_start (EV_A_ &childev);
1946	ev_unref (EV_A); /* child watcher should not keep loop alive */	2020	ev_unref (EV_A); /* child watcher should not keep loop alive */
1947	#endif	2021	#endif
…		…
1960	EV_P = ev_default_loop_ptr;	2034	EV_P = ev_default_loop_ptr;
1961	#endif	2035	#endif
1962		2036
1963	ev_default_loop_ptr = 0;	2037	ev_default_loop_ptr = 0;
1964		2038
1965	#ifndef _WIN32	2039	#if EV_CHILD_ENABLE
1966	ev_ref (EV_A); /* child watcher */	2040	ev_ref (EV_A); /* child watcher */
1967	ev_signal_stop (EV_A_ &childev);	2041	ev_signal_stop (EV_A_ &childev);
1968	#endif	2042	#endif
1969		2043
1970	loop_destroy (EV_A);	2044	loop_destroy (EV_A);
…		…
2076	EV_FREQUENT_CHECK;	2150	EV_FREQUENT_CHECK;
2077	feed_reverse (EV_A_ (W)w);	2151	feed_reverse (EV_A_ (W)w);
2078	}	2152	}
2079	while (timercnt && ANHE_at (timers [HEAP0]) < mn_now);	2153	while (timercnt && ANHE_at (timers [HEAP0]) < mn_now);
2080		2154
2081	feed_reverse_done (EV_A_ EV_TIMEOUT);	2155	feed_reverse_done (EV_A_ EV_TIMER);
2082	}	2156	}
2083	}	2157	}
2084		2158
2085	#if EV_PERIODIC_ENABLE	2159	#if EV_PERIODIC_ENABLE
2086	/* make periodics pending */	2160	/* make periodics pending */
…		…
2139	feed_reverse_done (EV_A_ EV_PERIODIC);	2213	feed_reverse_done (EV_A_ EV_PERIODIC);
2140	}	2214	}
2141	}	2215	}
2142		2216
2143	/* simply recalculate all periodics */	2217	/* simply recalculate all periodics */
2144	/* TODO: maybe ensure that at leats one event happens when jumping forward? */	2218	/* TODO: maybe ensure that at least one event happens when jumping forward? */
2145	static void noinline	2219	static void noinline
2146	periodics_reschedule (EV_P)	2220	periodics_reschedule (EV_P)
2147	{	2221	{
2148	int i;	2222	int i;
2149		2223
…		…
2245	mn_now = ev_rt_now;	2319	mn_now = ev_rt_now;
2246	}	2320	}
2247	}	2321	}
2248		2322
2249	void	2323	void
2250	ev_loop (EV_P_ int flags)	2324	ev_run (EV_P_ int flags)
2251	{	2325	{
2252	#if EV_MINIMAL < 2	2326	#if EV_FEATURE_API
2253	++loop_depth;	2327	++loop_depth;
2254	#endif	2328	#endif
2255		2329
2256	assert (("libev: ev_loop recursion during release detected", loop_done != EVUNLOOP_RECURSE));	2330	assert (("libev: ev_loop recursion during release detected", loop_done != EVBREAK_RECURSE));
2257		2331
2258	loop_done = EVUNLOOP_CANCEL;	2332	loop_done = EVBREAK_CANCEL;
2259		2333
2260	EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */	2334	EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */
2261		2335
2262	do	2336	do
2263	{	2337	{
2264	#if EV_VERIFY >= 2	2338	#if EV_VERIFY >= 2
2265	ev_loop_verify (EV_A);	2339	ev_verify (EV_A);
2266	#endif	2340	#endif
2267		2341
2268	#ifndef _WIN32	2342	#ifndef _WIN32
2269	if (expect_false (curpid)) /* penalise the forking check even more */	2343	if (expect_false (curpid)) /* penalise the forking check even more */
2270	if (expect_false (getpid () != curpid))	2344	if (expect_false (getpid () != curpid))
…		…
2282	queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);	2356	queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);
2283	EV_INVOKE_PENDING;	2357	EV_INVOKE_PENDING;
2284	}	2358	}
2285	#endif	2359	#endif
2286		2360
		2361	#if EV_PREPARE_ENABLE
2287	/* queue prepare watchers (and execute them) */	2362	/* queue prepare watchers (and execute them) */
2288	if (expect_false (preparecnt))	2363	if (expect_false (preparecnt))
2289	{	2364	{
2290	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);	2365	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
2291	EV_INVOKE_PENDING;	2366	EV_INVOKE_PENDING;
2292	}	2367	}
		2368	#endif
2293		2369
2294	if (expect_false (loop_done))	2370	if (expect_false (loop_done))
2295	break;	2371	break;
2296		2372
2297	/* we might have forked, so reify kernel state if necessary */	2373	/* we might have forked, so reify kernel state if necessary */
…		…
2304	/* calculate blocking time */	2380	/* calculate blocking time */
2305	{	2381	{
2306	ev_tstamp waittime = 0.;	2382	ev_tstamp waittime = 0.;
2307	ev_tstamp sleeptime = 0.;	2383	ev_tstamp sleeptime = 0.;
2308		2384
		2385	/* remember old timestamp for io_blocktime calculation */
		2386	ev_tstamp prev_mn_now = mn_now;
		2387
		2388	/* update time to cancel out callback processing overhead */
		2389	time_update (EV_A_ 1e100);
		2390
2309	if (expect_true (!(flags & EVLOOP_NONBLOCK \|\| idleall \|\| !activecnt)))	2391	if (expect_true (!(flags & EVRUN_NOWAIT \|\| idleall \|\| !activecnt)))
2310	{	2392	{
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;	2393	waittime = MAX_BLOCKTIME;
2318		2394
2319	if (timercnt)	2395	if (timercnt)
2320	{	2396	{
2321	ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge;	2397	ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge;
…		…
2348	waittime -= sleeptime;	2424	waittime -= sleeptime;
2349	}	2425	}
2350	}	2426	}
2351	}	2427	}
2352		2428
2353	#if EV_MINIMAL < 2	2429	#if EV_FEATURE_API
2354	++loop_count;	2430	++loop_count;
2355	#endif	2431	#endif
2356	assert ((loop_done = EVUNLOOP_RECURSE, 1)); /* assert for side effect */	2432	assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */
2357	backend_poll (EV_A_ waittime);	2433	backend_poll (EV_A_ waittime);
2358	assert ((loop_done = EVUNLOOP_CANCEL, 1)); /* assert for side effect */	2434	assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */
2359		2435
2360	/* update ev_rt_now, do magic */	2436	/* update ev_rt_now, do magic */
2361	time_update (EV_A_ waittime + sleeptime);	2437	time_update (EV_A_ waittime + sleeptime);
2362	}	2438	}
2363		2439
…		…
2370	#if EV_IDLE_ENABLE	2446	#if EV_IDLE_ENABLE
2371	/* queue idle watchers unless other events are pending */	2447	/* queue idle watchers unless other events are pending */
2372	idle_reify (EV_A);	2448	idle_reify (EV_A);
2373	#endif	2449	#endif
2374		2450
		2451	#if EV_CHECK_ENABLE
2375	/* queue check watchers, to be executed first */	2452	/* queue check watchers, to be executed first */
2376	if (expect_false (checkcnt))	2453	if (expect_false (checkcnt))
2377	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);	2454	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
		2455	#endif
2378		2456
2379	EV_INVOKE_PENDING;	2457	EV_INVOKE_PENDING;
2380	}	2458	}
2381	while (expect_true (	2459	while (expect_true (
2382	activecnt	2460	activecnt
2383	&& !loop_done	2461	&& !loop_done
2384	&& !(flags & (EVLOOP_ONESHOT \| EVLOOP_NONBLOCK))	2462	&& !(flags & (EVRUN_ONCE \| EVRUN_NOWAIT))
2385	));	2463	));
2386		2464
2387	if (loop_done == EVUNLOOP_ONE)	2465	if (loop_done == EVBREAK_ONE)
2388	loop_done = EVUNLOOP_CANCEL;	2466	loop_done = EVBREAK_CANCEL;
2389		2467
2390	#if EV_MINIMAL < 2	2468	#if EV_FEATURE_API
2391	--loop_depth;	2469	--loop_depth;
2392	#endif	2470	#endif
2393	}	2471	}
2394		2472
2395	void	2473	void
2396	ev_unloop (EV_P_ int how)	2474	ev_break (EV_P_ int how)
2397	{	2475	{
2398	loop_done = how;	2476	loop_done = how;
2399	}	2477	}
2400		2478
2401	void	2479	void
…		…
2549	EV_FREQUENT_CHECK;	2627	EV_FREQUENT_CHECK;
2550		2628
2551	wlist_del (&anfds[w->fd].head, (WL)w);	2629	wlist_del (&anfds[w->fd].head, (WL)w);
2552	ev_stop (EV_A_ (W)w);	2630	ev_stop (EV_A_ (W)w);
2553		2631
2554	fd_change (EV_A_ w->fd, 1);	2632	fd_change (EV_A_ w->fd, EV_ANFD_REIFY);
2555		2633
2556	EV_FREQUENT_CHECK;	2634	EV_FREQUENT_CHECK;
2557	}	2635	}
2558		2636
2559	void noinline	2637	void noinline
…		…
2712		2790
2713	#ifndef SA_RESTART	2791	#ifndef SA_RESTART
2714	# define SA_RESTART 0	2792	# define SA_RESTART 0
2715	#endif	2793	#endif
2716		2794
		2795	#if EV_SIGNAL_ENABLE
		2796
2717	void noinline	2797	void noinline
2718	ev_signal_start (EV_P_ ev_signal *w)	2798	ev_signal_start (EV_P_ ev_signal *w)
2719	{	2799	{
2720	if (expect_false (ev_is_active (w)))	2800	if (expect_false (ev_is_active (w)))
2721	return;	2801	return;
…		…
2827	}	2907	}
2828		2908
2829	EV_FREQUENT_CHECK;	2909	EV_FREQUENT_CHECK;
2830	}	2910	}
2831		2911
		2912	#endif
		2913
		2914	#if EV_CHILD_ENABLE
		2915
2832	void	2916	void
2833	ev_child_start (EV_P_ ev_child *w)	2917	ev_child_start (EV_P_ ev_child *w)
2834	{	2918	{
2835	#if EV_MULTIPLICITY	2919	#if EV_MULTIPLICITY
2836	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));	2920	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
…		…
2839	return;	2923	return;
2840		2924
2841	EV_FREQUENT_CHECK;	2925	EV_FREQUENT_CHECK;
2842		2926
2843	ev_start (EV_A_ (W)w, 1);	2927	ev_start (EV_A_ (W)w, 1);
2844	wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);	2928	wlist_add (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w);
2845		2929
2846	EV_FREQUENT_CHECK;	2930	EV_FREQUENT_CHECK;
2847	}	2931	}
2848		2932
2849	void	2933	void
…		…
2853	if (expect_false (!ev_is_active (w)))	2937	if (expect_false (!ev_is_active (w)))
2854	return;	2938	return;
2855		2939
2856	EV_FREQUENT_CHECK;	2940	EV_FREQUENT_CHECK;
2857		2941
2858	wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);	2942	wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w);
2859	ev_stop (EV_A_ (W)w);	2943	ev_stop (EV_A_ (W)w);
2860		2944
2861	EV_FREQUENT_CHECK;	2945	EV_FREQUENT_CHECK;
2862	}	2946	}
		2947
		2948	#endif
2863		2949
2864	#if EV_STAT_ENABLE	2950	#if EV_STAT_ENABLE
2865		2951
2866	# ifdef _WIN32	2952	# ifdef _WIN32
2867	# undef lstat	2953	# undef lstat
…		…
2934	while (w->wd < 0 && (errno == ENOENT \|\| errno == EACCES));	3020	while (w->wd < 0 && (errno == ENOENT \|\| errno == EACCES));
2935	}	3021	}
2936	}	3022	}
2937		3023
2938	if (w->wd >= 0)	3024	if (w->wd >= 0)
2939	wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w);	3025	wlist_add (&fs_hash [w->wd & ((EV_INOTIFY_HASHSIZE) - 1)].head, (WL)w);
2940		3026
2941	/* now re-arm timer, if required */	3027	/* now re-arm timer, if required */
2942	if (ev_is_active (&w->timer)) ev_ref (EV_A);	3028	if (ev_is_active (&w->timer)) ev_ref (EV_A);
2943	ev_timer_again (EV_A_ &w->timer);	3029	ev_timer_again (EV_A_ &w->timer);
2944	if (ev_is_active (&w->timer)) ev_unref (EV_A);	3030	if (ev_is_active (&w->timer)) ev_unref (EV_A);
…		…
2952		3038
2953	if (wd < 0)	3039	if (wd < 0)
2954	return;	3040	return;
2955		3041
2956	w->wd = -2;	3042	w->wd = -2;
2957	slot = wd & (EV_INOTIFY_HASHSIZE - 1);	3043	slot = wd & ((EV_INOTIFY_HASHSIZE) - 1);
2958	wlist_del (&fs_hash [slot].head, (WL)w);	3044	wlist_del (&fs_hash [slot].head, (WL)w);
2959		3045
2960	/* remove this watcher, if others are watching it, they will rearm */	3046	/* remove this watcher, if others are watching it, they will rearm */
2961	inotify_rm_watch (fs_fd, wd);	3047	inotify_rm_watch (fs_fd, wd);
2962	}	3048	}
…		…
2964	static void noinline	3050	static void noinline
2965	infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)	3051	infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)
2966	{	3052	{
2967	if (slot < 0)	3053	if (slot < 0)
2968	/* overflow, need to check for all hash slots */	3054	/* overflow, need to check for all hash slots */
2969	for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot)	3055	for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)
2970	infy_wd (EV_A_ slot, wd, ev);	3056	infy_wd (EV_A_ slot, wd, ev);
2971	else	3057	else
2972	{	3058	{
2973	WL w_;	3059	WL w_;
2974		3060
2975	for (w_ = fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head; w_; )	3061	for (w_ = fs_hash [slot & ((EV_INOTIFY_HASHSIZE) - 1)].head; w_; )
2976	{	3062	{
2977	ev_stat w = (ev_stat )w_;	3063	ev_stat w = (ev_stat )w_;
2978	w_ = w_->next; /* lets us remove this watcher and all before it */	3064	w_ = w_->next; /* lets us remove this watcher and all before it */
2979		3065
2980	if (w->wd == wd \|\| wd == -1)	3066	if (w->wd == wd \|\| wd == -1)
2981	{	3067	{
2982	if (ev->mask & (IN_IGNORED \| IN_UNMOUNT \| IN_DELETE_SELF))	3068	if (ev->mask & (IN_IGNORED \| IN_UNMOUNT \| IN_DELETE_SELF))
2983	{	3069	{
2984	wlist_del (&fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w);	3070	wlist_del (&fs_hash [slot & ((EV_INOTIFY_HASHSIZE) - 1)].head, (WL)w);
2985	w->wd = -1;	3071	w->wd = -1;
2986	infy_add (EV_A_ w); /* re-add, no matter what */	3072	infy_add (EV_A_ w); /* re-add, no matter what */
2987	}	3073	}
2988		3074
2989	stat_timer_cb (EV_A_ &w->timer, 0);	3075	stat_timer_cb (EV_A_ &w->timer, 0);
…		…
3003	{	3089	{
3004	struct inotify_event ev = (struct inotify_event )(buf + ofs);	3090	struct inotify_event ev = (struct inotify_event )(buf + ofs);
3005	infy_wd (EV_A_ ev->wd, ev->wd, ev);	3091	infy_wd (EV_A_ ev->wd, ev->wd, ev);
3006	ofs += sizeof (struct inotify_event) + ev->len;	3092	ofs += sizeof (struct inotify_event) + ev->len;
3007	}	3093	}
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	}	3094	}
3041		3095
3042	inline_size void	3096	inline_size void
3043	ev_check_2625 (EV_P)	3097	ev_check_2625 (EV_P)
3044	{	3098	{
…		…
3103	ev_io_set (&fs_w, fs_fd, EV_READ);	3157	ev_io_set (&fs_w, fs_fd, EV_READ);
3104	ev_io_start (EV_A_ &fs_w);	3158	ev_io_start (EV_A_ &fs_w);
3105	ev_unref (EV_A);	3159	ev_unref (EV_A);
3106	}	3160	}
3107		3161
3108	for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot)	3162	for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)
3109	{	3163	{
3110	WL w_ = fs_hash [slot].head;	3164	WL w_ = fs_hash [slot].head;
3111	fs_hash [slot].head = 0;	3165	fs_hash [slot].head = 0;
3112		3166
3113	while (w_)	3167	while (w_)
…		…
3288		3342
3289	EV_FREQUENT_CHECK;	3343	EV_FREQUENT_CHECK;
3290	}	3344	}
3291	#endif	3345	#endif
3292		3346
		3347	#if EV_PREPARE_ENABLE
3293	void	3348	void
3294	ev_prepare_start (EV_P_ ev_prepare *w)	3349	ev_prepare_start (EV_P_ ev_prepare *w)
3295	{	3350	{
3296	if (expect_false (ev_is_active (w)))	3351	if (expect_false (ev_is_active (w)))
3297	return;	3352	return;
…		…
3323		3378
3324	ev_stop (EV_A_ (W)w);	3379	ev_stop (EV_A_ (W)w);
3325		3380
3326	EV_FREQUENT_CHECK;	3381	EV_FREQUENT_CHECK;
3327	}	3382	}
		3383	#endif
3328		3384
		3385	#if EV_CHECK_ENABLE
3329	void	3386	void
3330	ev_check_start (EV_P_ ev_check *w)	3387	ev_check_start (EV_P_ ev_check *w)
3331	{	3388	{
3332	if (expect_false (ev_is_active (w)))	3389	if (expect_false (ev_is_active (w)))
3333	return;	3390	return;
…		…
3359		3416
3360	ev_stop (EV_A_ (W)w);	3417	ev_stop (EV_A_ (W)w);
3361		3418
3362	EV_FREQUENT_CHECK;	3419	EV_FREQUENT_CHECK;
3363	}	3420	}
		3421	#endif
3364		3422
3365	#if EV_EMBED_ENABLE	3423	#if EV_EMBED_ENABLE
3366	void noinline	3424	void noinline
3367	ev_embed_sweep (EV_P_ ev_embed *w)	3425	ev_embed_sweep (EV_P_ ev_embed *w)
3368	{	3426	{
3369	ev_loop (w->other, EVLOOP_NONBLOCK);	3427	ev_run (w->other, EVRUN_NOWAIT);
3370	}	3428	}
3371		3429
3372	static void	3430	static void
3373	embed_io_cb (EV_P_ ev_io *io, int revents)	3431	embed_io_cb (EV_P_ ev_io *io, int revents)
3374	{	3432	{
3375	ev_embed w = (ev_embed )(((char *)io) - offsetof (ev_embed, io));	3433	ev_embed w = (ev_embed )(((char *)io) - offsetof (ev_embed, io));
3376		3434
3377	if (ev_cb (w))	3435	if (ev_cb (w))
3378	ev_feed_event (EV_A_ (W)w, EV_EMBED);	3436	ev_feed_event (EV_A_ (W)w, EV_EMBED);
3379	else	3437	else
3380	ev_loop (w->other, EVLOOP_NONBLOCK);	3438	ev_run (w->other, EVRUN_NOWAIT);
3381	}	3439	}
3382		3440
3383	static void	3441	static void
3384	embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents)	3442	embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents)
3385	{	3443	{
…		…
3389	EV_P = w->other;	3447	EV_P = w->other;
3390		3448
3391	while (fdchangecnt)	3449	while (fdchangecnt)
3392	{	3450	{
3393	fd_reify (EV_A);	3451	fd_reify (EV_A);
3394	ev_loop (EV_A_ EVLOOP_NONBLOCK);	3452	ev_run (EV_A_ EVRUN_NOWAIT);
3395	}	3453	}
3396	}	3454	}
3397	}	3455	}
3398		3456
3399	static void	3457	static void
…		…
3405		3463
3406	{	3464	{
3407	EV_P = w->other;	3465	EV_P = w->other;
3408		3466
3409	ev_loop_fork (EV_A);	3467	ev_loop_fork (EV_A);
3410	ev_loop (EV_A_ EVLOOP_NONBLOCK);	3468	ev_run (EV_A_ EVRUN_NOWAIT);
3411	}	3469	}
3412		3470
3413	ev_embed_start (EV_A_ w);	3471	ev_embed_start (EV_A_ w);
3414	}	3472	}
3415		3473
…		…
3514	ev_async_start (EV_P_ ev_async *w)	3572	ev_async_start (EV_P_ ev_async *w)
3515	{	3573	{
3516	if (expect_false (ev_is_active (w)))	3574	if (expect_false (ev_is_active (w)))
3517	return;	3575	return;
3518		3576
		3577	w->sent = 0;
		3578
3519	evpipe_init (EV_A);	3579	evpipe_init (EV_A);
3520		3580
3521	EV_FREQUENT_CHECK;	3581	EV_FREQUENT_CHECK;
3522		3582
3523	ev_start (EV_A_ (W)w, ++asynccnt);	3583	ev_start (EV_A_ (W)w, ++asynccnt);
…		…
3600	{	3660	{
3601	struct ev_once once = (struct ev_once )ev_malloc (sizeof (struct ev_once));	3661	struct ev_once once = (struct ev_once )ev_malloc (sizeof (struct ev_once));
3602		3662
3603	if (expect_false (!once))	3663	if (expect_false (!once))
3604	{	3664	{
3605	cb (EV_ERROR \| EV_READ \| EV_WRITE \| EV_TIMEOUT, arg);	3665	cb (EV_ERROR \| EV_READ \| EV_WRITE \| EV_TIMER, arg);
3606	return;	3666	return;
3607	}	3667	}
3608		3668
3609	once->cb = cb;	3669	once->cb = cb;
3610	once->arg = arg;	3670	once->arg = arg;
…		…
3697	if (types & EV_ASYNC)	3757	if (types & EV_ASYNC)
3698	for (i = asynccnt; i--; )	3758	for (i = asynccnt; i--; )
3699	cb (EV_A_ EV_ASYNC, asyncs [i]);	3759	cb (EV_A_ EV_ASYNC, asyncs [i]);
3700	#endif	3760	#endif
3701		3761
		3762	#if EV_PREPARE_ENABLE
3702	if (types & EV_PREPARE)	3763	if (types & EV_PREPARE)
3703	for (i = preparecnt; i--; )	3764	for (i = preparecnt; i--; )
3704	#if EV_EMBED_ENABLE	3765	# if EV_EMBED_ENABLE
3705	if (ev_cb (prepares [i]) != embed_prepare_cb)	3766	if (ev_cb (prepares [i]) != embed_prepare_cb)
3706	#endif	3767	# endif
3707	cb (EV_A_ EV_PREPARE, prepares [i]);	3768	cb (EV_A_ EV_PREPARE, prepares [i]);
		3769	#endif
3708		3770
		3771	#if EV_CHECK_ENABLE
3709	if (types & EV_CHECK)	3772	if (types & EV_CHECK)
3710	for (i = checkcnt; i--; )	3773	for (i = checkcnt; i--; )
3711	cb (EV_A_ EV_CHECK, checks [i]);	3774	cb (EV_A_ EV_CHECK, checks [i]);
		3775	#endif
3712		3776
		3777	#if EV_SIGNAL_ENABLE
3713	if (types & EV_SIGNAL)	3778	if (types & EV_SIGNAL)
3714	for (i = 0; i < EV_NSIG - 1; ++i)	3779	for (i = 0; i < EV_NSIG - 1; ++i)
3715	for (wl = signals [i].head; wl; )	3780	for (wl = signals [i].head; wl; )
3716	{	3781	{
3717	wn = wl->next;	3782	wn = wl->next;
3718	cb (EV_A_ EV_SIGNAL, wl);	3783	cb (EV_A_ EV_SIGNAL, wl);
3719	wl = wn;	3784	wl = wn;
3720	}	3785	}
		3786	#endif
3721		3787
		3788	#if EV_CHILD_ENABLE
3722	if (types & EV_CHILD)	3789	if (types & EV_CHILD)
3723	for (i = EV_PID_HASHSIZE; i--; )	3790	for (i = (EV_PID_HASHSIZE); i--; )
3724	for (wl = childs [i]; wl; )	3791	for (wl = childs [i]; wl; )
3725	{	3792	{
3726	wn = wl->next;	3793	wn = wl->next;
3727	cb (EV_A_ EV_CHILD, wl);	3794	cb (EV_A_ EV_CHILD, wl);
3728	wl = wn;	3795	wl = wn;
3729	}	3796	}
		3797	#endif
3730	/* EV_STAT 0x00001000 /* stat data changed */	3798	/* EV_STAT 0x00001000 /* stat data changed */
3731	/* EV_EMBED 0x00010000 /* embedded event loop needs sweep */	3799	/* EV_EMBED 0x00010000 /* embedded event loop needs sweep */
3732	}	3800	}
3733	#endif	3801	#endif
3734		3802
3735	#if EV_MULTIPLICITY	3803	#if EV_MULTIPLICITY
3736	#include "ev_wrap.h"	3804	#include "ev_wrap.h"
3737	#endif	3805	#endif
3738		3806
3739	#ifdef __cplusplus	3807	EV_CPP(})
3740	}
3741	#endif
3742		3808

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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 1.356 by root, Fri Oct 22 11:21:52 2010 UTC

Diff Legend

Comparing libev/ev.c (file contents):
Revision 1.330 by root, Tue Mar 9 08:46:17 2010 UTC vs.
Revision 1.356 by root, Fri Oct 22 11:21:52 2010 UTC