[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 1.364 by root, Sun Oct 24 21:51:03 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	unsigned int v = 0;
		536	struct utsname buf;
		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	}
…		…
616	unsigned char emask; /* the epoll backend stores the actual kernel mask in here */	668	unsigned char emask; /* the epoll backend stores the actual kernel mask in here */
617	unsigned char unused;	669	unsigned char unused;
618	#if EV_USE_EPOLL	670	#if EV_USE_EPOLL
619	unsigned int egen; /* generation counter to counter epoll bugs */	671	unsigned int egen; /* generation counter to counter epoll bugs */
620	#endif	672	#endif
621	#if EV_SELECT_IS_WINSOCKET	673	#if EV_SELECT_IS_WINSOCKET \|\| EV_USE_IOCP
622	SOCKET handle;	674	SOCKET handle;
		675	#endif
		676	#if EV_USE_IOCP
		677	OVERLAPPED or, ow;
623	#endif	678	#endif
624	} ANFD;	679	} ANFD;
625		680
626	/* stores the pending event set for a given watcher */	681	/* stores the pending event set for a given watcher */
627	typedef struct	682	typedef struct
…		…
682		737
683	static int ev_default_loop_ptr;	738	static int ev_default_loop_ptr;
684		739
685	#endif	740	#endif
686		741
687	#if EV_MINIMAL < 2	742	#if EV_FEATURE_API
688	# define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A)	743	# 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)	744	# define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A)
690	# define EV_INVOKE_PENDING invoke_cb (EV_A)	745	# define EV_INVOKE_PENDING invoke_cb (EV_A)
691	#else	746	#else
692	# define EV_RELEASE_CB (void)0	747	# define EV_RELEASE_CB (void)0
693	# define EV_ACQUIRE_CB (void)0	748	# define EV_ACQUIRE_CB (void)0
694	# define EV_INVOKE_PENDING ev_invoke_pending (EV_A)	749	# define EV_INVOKE_PENDING ev_invoke_pending (EV_A)
695	#endif	750	#endif
696		751
697	#define EVUNLOOP_RECURSE 0x80	752	#define EVBREAK_RECURSE 0x80
698		753
699	/*****************************************************************************/	754	/*****************************************************************************/
700		755
701	#ifndef EV_HAVE_EV_TIME	756	#ifndef EV_HAVE_EV_TIME
702	ev_tstamp	757	ev_tstamp
…		…
746	if (delay > 0.)	801	if (delay > 0.)
747	{	802	{
748	#if EV_USE_NANOSLEEP	803	#if EV_USE_NANOSLEEP
749	struct timespec ts;	804	struct timespec ts;
750		805
751	ts.tv_sec = (time_t)delay;	806	EV_TS_SET (ts, delay);
752	ts.tv_nsec = (long)((delay - (ev_tstamp)(ts.tv_sec)) * 1e9);
753
754	nanosleep (&ts, 0);	807	nanosleep (&ts, 0);
755	#elif defined(_WIN32)	808	#elif defined(_WIN32)
756	Sleep ((unsigned long)(delay * 1e3));	809	Sleep ((unsigned long)(delay * 1e3));
757	#else	810	#else
758	struct timeval tv;	811	struct timeval tv;
759		812
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 */	813	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */
764	/* something not guaranteed by newer posix versions, but guaranteed */	814	/* something not guaranteed by newer posix versions, but guaranteed */
765	/* by older ones */	815	/* by older ones */
		816	EV_TV_SET (tv, delay);
766	select (0, 0, 0, 0, &tv);	817	select (0, 0, 0, 0, &tv);
767	#endif	818	#endif
768	}	819	}
769	}	820	}
770		821
771	/*****************************************************************************/	822	/*****************************************************************************/
772		823
773	#define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2*n and >> 4 longs /	824	#define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2*n and >> 4 longs /
774		825
775	/* find a suitable new size for the given array, */	826	/* find a suitable new size for the given array, */
776	/* hopefully by rounding to a ncie-to-malloc size */	827	/* hopefully by rounding to a nice-to-malloc size */
777	inline_size int	828	inline_size int
778	array_nextsize (int elem, int cur, int cnt)	829	array_nextsize (int elem, int cur, int cnt)
779	{	830	{
780	int ncur = cur + 1;	831	int ncur = cur + 1;
781		832
…		…
877	}	928	}
878		929
879	/*****************************************************************************/	930	/*****************************************************************************/
880		931
881	inline_speed void	932	inline_speed void
882	fd_event_nc (EV_P_ int fd, int revents)	933	fd_event_nocheck (EV_P_ int fd, int revents)
883	{	934	{
884	ANFD *anfd = anfds + fd;	935	ANFD *anfd = anfds + fd;
885	ev_io *w;	936	ev_io *w;
886		937
887	for (w = (ev_io )anfd->head; w; w = (ev_io )((WL)w)->next)	938	for (w = (ev_io )anfd->head; w; w = (ev_io )((WL)w)->next)
…		…
899	fd_event (EV_P_ int fd, int revents)	950	fd_event (EV_P_ int fd, int revents)
900	{	951	{
901	ANFD *anfd = anfds + fd;	952	ANFD *anfd = anfds + fd;
902		953
903	if (expect_true (!anfd->reify))	954	if (expect_true (!anfd->reify))
904	fd_event_nc (EV_A_ fd, revents);	955	fd_event_nocheck (EV_A_ fd, revents);
905	}	956	}
906		957
907	void	958	void
908	ev_feed_fd_event (EV_P_ int fd, int revents)	959	ev_feed_fd_event (EV_P_ int fd, int revents)
909	{	960	{
910	if (fd >= 0 && fd < anfdmax)	961	if (fd >= 0 && fd < anfdmax)
911	fd_event_nc (EV_A_ fd, revents);	962	fd_event_nocheck (EV_A_ fd, revents);
912	}	963	}
913		964
914	/* make sure the external fd watch events are in-sync */	965	/* make sure the external fd watch events are in-sync */
915	/* with the kernel/libev internal state */	966	/* with the kernel/libev internal state */
916	inline_size void	967	inline_size void
…		…
922	{	973	{
923	int fd = fdchanges [i];	974	int fd = fdchanges [i];
924	ANFD *anfd = anfds + fd;	975	ANFD *anfd = anfds + fd;
925	ev_io *w;	976	ev_io *w;
926		977
927	unsigned char events = 0;	978	unsigned char o_events = anfd->events;
		979	unsigned char o_reify = anfd->reify;
928		980
929	for (w = (ev_io )anfd->head; w; w = (ev_io )((WL)w)->next)	981	anfd->reify = 0;
930	events \|= (unsigned char)w->events;
931		982
932	#if EV_SELECT_IS_WINSOCKET	983	#if EV_SELECT_IS_WINSOCKET \|\| EV_USE_IOCP
933	if (events)	984	if (o_reify & EV__IOFDSET)
934	{	985	{
935	unsigned long arg;	986	unsigned long arg;
936	anfd->handle = EV_FD_TO_WIN32_HANDLE (fd);	987	anfd->handle = EV_FD_TO_WIN32_HANDLE (fd);
937	assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0));	988	assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0));
		989	printf ("oi %d %x\n", fd, anfd->handle);//D
938	}	990	}
939	#endif	991	#endif
940		992
		993	/if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation /
941	{	994	{
942	unsigned char o_events = anfd->events;
943	unsigned char o_reify = anfd->reify;
944
945	anfd->reify = 0;
946	anfd->events = events;	995	anfd->events = 0;
947		996
948	if (o_events != events \|\| o_reify & EV__IOFDSET)	997	for (w = (ev_io )anfd->head; w; w = (ev_io )((WL)w)->next)
		998	anfd->events \|= (unsigned char)w->events;
		999
		1000	if (o_events != anfd->events)
		1001	o_reify = EV__IOFDSET; /* actually \|= */
		1002	}
		1003
		1004	if (o_reify & EV__IOFDSET)
949	backend_modify (EV_A_ fd, o_events, events);	1005	backend_modify (EV_A_ fd, o_events, anfd->events);
950	}
951	}	1006	}
952		1007
953	fdchangecnt = 0;	1008	fdchangecnt = 0;
954	}	1009	}
955		1010
…		…
979	ev_io_stop (EV_A_ w);	1034	ev_io_stop (EV_A_ w);
980	ev_feed_event (EV_A_ (W)w, EV_ERROR \| EV_READ \| EV_WRITE);	1035	ev_feed_event (EV_A_ (W)w, EV_ERROR \| EV_READ \| EV_WRITE);
981	}	1036	}
982	}	1037	}
983		1038
984	/* check whether the given fd is atcually valid, for error recovery */	1039	/* check whether the given fd is actually valid, for error recovery */
985	inline_size int	1040	inline_size int
986	fd_valid (int fd)	1041	fd_valid (int fd)
987	{	1042	{
988	#ifdef _WIN32	1043	#ifdef _WIN32
989	return EV_FD_TO_WIN32_HANDLE (fd) != -1;	1044	return EV_FD_TO_WIN32_HANDLE (fd) != -1;
…		…
1031	anfds [fd].emask = 0;	1086	anfds [fd].emask = 0;
1032	fd_change (EV_A_ fd, EV__IOFDSET \| EV_ANFD_REIFY);	1087	fd_change (EV_A_ fd, EV__IOFDSET \| EV_ANFD_REIFY);
1033	}	1088	}
1034	}	1089	}
1035		1090
		1091	/* used to prepare libev internal fd's */
		1092	/* this is not fork-safe */
		1093	inline_speed void
		1094	fd_intern (int fd)
		1095	{
		1096	#ifdef _WIN32
		1097	unsigned long arg = 1;
		1098	ioctlsocket (EV_FD_TO_WIN32_HANDLE (fd), FIONBIO, &arg);
		1099	#else
		1100	fcntl (fd, F_SETFD, FD_CLOEXEC);
		1101	fcntl (fd, F_SETFL, O_NONBLOCK);
		1102	#endif
		1103	}
		1104
1036	/*****************************************************************************/	1105	/*****************************************************************************/
1037		1106
1038	/*	1107	/*
1039	* the heap functions want a real array index. array index 0 uis guaranteed to not	1108	* 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	1109	* be in-use at any time. the first heap entry is at array [HEAP0]. DHEAP gives
1041	* the branching factor of the d-tree.	1110	* the branching factor of the d-tree.
1042	*/	1111	*/
1043		1112
1044	/*	1113	/*
…		…
1192		1261
1193	static ANSIG signals [EV_NSIG - 1];	1262	static ANSIG signals [EV_NSIG - 1];
1194		1263
1195	/*****************************************************************************/	1264	/*****************************************************************************/
1196		1265
1197	/* used to prepare libev internal fd's */	1266	#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		1267
1211	static void noinline	1268	static void noinline
1212	evpipe_init (EV_P)	1269	evpipe_init (EV_P)
1213	{	1270	{
1214	if (!ev_is_active (&pipe_w))	1271	if (!ev_is_active (&pipe_w))
1215	{	1272	{
1216	#if EV_USE_EVENTFD	1273	# if EV_USE_EVENTFD
1217	evfd = eventfd (0, EFD_NONBLOCK \| EFD_CLOEXEC);	1274	evfd = eventfd (0, EFD_NONBLOCK \| EFD_CLOEXEC);
1218	if (evfd < 0 && errno == EINVAL)	1275	if (evfd < 0 && errno == EINVAL)
1219	evfd = eventfd (0, 0);	1276	evfd = eventfd (0, 0);
1220		1277
1221	if (evfd >= 0)	1278	if (evfd >= 0)
…		…
1223	evpipe [0] = -1;	1280	evpipe [0] = -1;
1224	fd_intern (evfd); /* doing it twice doesn't hurt */	1281	fd_intern (evfd); /* doing it twice doesn't hurt */
1225	ev_io_set (&pipe_w, evfd, EV_READ);	1282	ev_io_set (&pipe_w, evfd, EV_READ);
1226	}	1283	}
1227	else	1284	else
1228	#endif	1285	# endif
1229	{	1286	{
1230	while (pipe (evpipe))	1287	while (pipe (evpipe))
1231	ev_syserr ("(libev) error creating signal/async pipe");	1288	ev_syserr ("(libev) error creating signal/async pipe");
1232		1289
1233	fd_intern (evpipe [0]);	1290	fd_intern (evpipe [0]);
…		…
1244	evpipe_write (EV_P_ EV_ATOMIC_T *flag)	1301	evpipe_write (EV_P_ EV_ATOMIC_T *flag)
1245	{	1302	{
1246	if (!*flag)	1303	if (!*flag)
1247	{	1304	{
1248	int old_errno = errno; /* save errno because write might clobber it */	1305	int old_errno = errno; /* save errno because write might clobber it */
		1306	char dummy;
1249		1307
1250	*flag = 1;	1308	*flag = 1;
1251		1309
1252	#if EV_USE_EVENTFD	1310	#if EV_USE_EVENTFD
1253	if (evfd >= 0)	1311	if (evfd >= 0)
…		…
1255	uint64_t counter = 1;	1313	uint64_t counter = 1;
1256	write (evfd, &counter, sizeof (uint64_t));	1314	write (evfd, &counter, sizeof (uint64_t));
1257	}	1315	}
1258	else	1316	else
1259	#endif	1317	#endif
		1318	/* win32 people keep sending patches that change this write() to send() */
		1319	/* and then run away. but send() is wrong, it wants a socket handle on win32 */
		1320	/* so when you think this write should be a send instead, please find out */
		1321	/* where your send() is from - it's definitely not the microsoft send, and */
		1322	/* tell me. thank you. */
1260	write (evpipe [1], &old_errno, 1);	1323	write (evpipe [1], &dummy, 1);
1261		1324
1262	errno = old_errno;	1325	errno = old_errno;
1263	}	1326	}
1264	}	1327	}
1265		1328
…		…
1278	}	1341	}
1279	else	1342	else
1280	#endif	1343	#endif
1281	{	1344	{
1282	char dummy;	1345	char dummy;
		1346	/* see discussion in evpipe_write when you think this read should be recv in win32 */
1283	read (evpipe [0], &dummy, 1);	1347	read (evpipe [0], &dummy, 1);
1284	}	1348	}
1285		1349
1286	if (sig_pending)	1350	if (sig_pending)
1287	{	1351	{
…		…
1366	break;	1430	break;
1367	}	1431	}
1368	}	1432	}
1369	#endif	1433	#endif
1370		1434
		1435	#endif
		1436
1371	/*****************************************************************************/	1437	/*****************************************************************************/
1372		1438
		1439	#if EV_CHILD_ENABLE
1373	static WL childs [EV_PID_HASHSIZE];	1440	static WL childs [EV_PID_HASHSIZE];
1374
1375	#ifndef _WIN32
1376		1441
1377	static ev_signal childev;	1442	static ev_signal childev;
1378		1443
1379	#ifndef WIFCONTINUED	1444	#ifndef WIFCONTINUED
1380	# define WIFCONTINUED(status) 0	1445	# define WIFCONTINUED(status) 0
…		…
1385	child_reap (EV_P_ int chain, int pid, int status)	1450	child_reap (EV_P_ int chain, int pid, int status)
1386	{	1451	{
1387	ev_child *w;	1452	ev_child *w;
1388	int traced = WIFSTOPPED (status) \|\| WIFCONTINUED (status);	1453	int traced = WIFSTOPPED (status) \|\| WIFCONTINUED (status);
1389		1454
1390	for (w = (ev_child )childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child )((WL)w)->next)	1455	for (w = (ev_child )childs [chain & ((EV_PID_HASHSIZE) - 1)]; w; w = (ev_child )((WL)w)->next)
1391	{	1456	{
1392	if ((w->pid == pid \|\| !w->pid)	1457	if ((w->pid == pid \|\| !w->pid)
1393	&& (!traced \|\| (w->flags & 1)))	1458	&& (!traced \|\| (w->flags & 1)))
1394	{	1459	{
1395	ev_set_priority (w, EV_MAXPRI); /* need to do it now, this must be the same prio as the signal watcher itself */	1460	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 */	1485	/* 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 */	1486	/* 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);	1487	ev_feed_event (EV_A_ (W)sw, EV_SIGNAL);
1423		1488
1424	child_reap (EV_A_ pid, pid, status);	1489	child_reap (EV_A_ pid, pid, status);
1425	if (EV_PID_HASHSIZE > 1)	1490	if ((EV_PID_HASHSIZE) > 1)
1426	child_reap (EV_A_ 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */	1491	child_reap (EV_A_ 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */
1427	}	1492	}
1428		1493
1429	#endif	1494	#endif
1430		1495
1431	/*****************************************************************************/	1496	/*****************************************************************************/
1432		1497
		1498	#if EV_USE_IOCP
		1499	# include "ev_iocp.c"
		1500	#endif
1433	#if EV_USE_PORT	1501	#if EV_USE_PORT
1434	# include "ev_port.c"	1502	# include "ev_port.c"
1435	#endif	1503	#endif
1436	#if EV_USE_KQUEUE	1504	#if EV_USE_KQUEUE
1437	# include "ev_kqueue.c"	1505	# include "ev_kqueue.c"
…		…
1497	#ifdef __APPLE__	1565	#ifdef __APPLE__
1498	/* only select works correctly on that "unix-certified" platform */	1566	/* only select works correctly on that "unix-certified" platform */
1499	flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */	1567	flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */
1500	flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */	1568	flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */
1501	#endif	1569	#endif
		1570	#ifdef __FreeBSD__
		1571	flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */
		1572	#endif
1502		1573
1503	return flags;	1574	return flags;
1504	}	1575	}
1505		1576
1506	unsigned int	1577	unsigned int
1507	ev_embeddable_backends (void)	1578	ev_embeddable_backends (void)
1508	{	1579	{
1509	int flags = EVBACKEND_EPOLL \| EVBACKEND_KQUEUE \| EVBACKEND_PORT;	1580	int flags = EVBACKEND_EPOLL \| EVBACKEND_KQUEUE \| EVBACKEND_PORT;
1510		1581
1511	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */	1582	/* 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 */	1583	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
1513	flags &= ~EVBACKEND_EPOLL;	1584	flags &= ~EVBACKEND_EPOLL;
1514		1585
1515	return flags;	1586	return flags;
1516	}	1587	}
1517		1588
1518	unsigned int	1589	unsigned int
1519	ev_backend (EV_P)	1590	ev_backend (EV_P)
1520	{	1591	{
1521	return backend;	1592	return backend;
1522	}	1593	}
1523		1594
1524	#if EV_MINIMAL < 2	1595	#if EV_FEATURE_API
1525	unsigned int	1596	unsigned int
1526	ev_loop_count (EV_P)	1597	ev_iteration (EV_P)
1527	{	1598	{
1528	return loop_count;	1599	return loop_count;
1529	}	1600	}
1530		1601
1531	unsigned int	1602	unsigned int
1532	ev_loop_depth (EV_P)	1603	ev_depth (EV_P)
1533	{	1604	{
1534	return loop_depth;	1605	return loop_depth;
1535	}	1606	}
1536		1607
1537	void	1608	void
…		…
1609		1680
1610	ev_rt_now = ev_time ();	1681	ev_rt_now = ev_time ();
1611	mn_now = get_clock ();	1682	mn_now = get_clock ();
1612	now_floor = mn_now;	1683	now_floor = mn_now;
1613	rtmn_diff = ev_rt_now - mn_now;	1684	rtmn_diff = ev_rt_now - mn_now;
1614	#if EV_MINIMAL < 2	1685	#if EV_FEATURE_API
1615	invoke_cb = ev_invoke_pending;	1686	invoke_cb = ev_invoke_pending;
1616	#endif	1687	#endif
1617		1688
1618	io_blocktime = 0.;	1689	io_blocktime = 0.;
1619	timeout_blocktime = 0.;	1690	timeout_blocktime = 0.;
…		…
1631	#endif	1702	#endif
1632		1703
1633	if (!(flags & 0x0000ffffU))	1704	if (!(flags & 0x0000ffffU))
1634	flags \|= ev_recommended_backends ();	1705	flags \|= ev_recommended_backends ();
1635		1706
		1707	#if EV_USE_IOCP
		1708	if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags);
		1709	#endif
1636	#if EV_USE_PORT	1710	#if EV_USE_PORT
1637	if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);	1711	if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);
1638	#endif	1712	#endif
1639	#if EV_USE_KQUEUE	1713	#if EV_USE_KQUEUE
1640	if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags);	1714	if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags);
…		…
1649	if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags);	1723	if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags);
1650	#endif	1724	#endif
1651		1725
1652	ev_prepare_init (&pending_w, pendingcb);	1726	ev_prepare_init (&pending_w, pendingcb);
1653		1727
		1728	#if EV_SIGNAL_ENABLE \|\| EV_ASYNC_ENABLE
1654	ev_init (&pipe_w, pipecb);	1729	ev_init (&pipe_w, pipecb);
1655	ev_set_priority (&pipe_w, EV_MAXPRI);	1730	ev_set_priority (&pipe_w, EV_MAXPRI);
		1731	#endif
1656	}	1732	}
1657	}	1733	}
1658		1734
1659	/* free up a loop structure */	1735	/* free up a loop structure */
1660	static void noinline	1736	void
1661	loop_destroy (EV_P)	1737	ev_loop_destroy (EV_P)
1662	{	1738	{
1663	int i;	1739	int i;
		1740
		1741	#if EV_MULTIPLICITY
		1742	/* mimic free (0) */
		1743	if (!EV_A)
		1744	return;
		1745	#endif
		1746
		1747	#if EV_CLEANUP_ENABLE
		1748	/* queue cleanup watchers (and execute them) */
		1749	if (expect_false (cleanupcnt))
		1750	{
		1751	queue_events (EV_A_ (W *)cleanups, cleanupcnt, EV_CLEANUP);
		1752	EV_INVOKE_PENDING;
		1753	}
		1754	#endif
		1755
		1756	#if EV_CHILD_ENABLE
		1757	if (ev_is_active (&childev))
		1758	{
		1759	ev_ref (EV_A); /* child watcher */
		1760	ev_signal_stop (EV_A_ &childev);
		1761	}
		1762	#endif
1664		1763
1665	if (ev_is_active (&pipe_w))	1764	if (ev_is_active (&pipe_w))
1666	{	1765	{
1667	/ev_ref (EV_A);/	1766	/ev_ref (EV_A);/
1668	/ev_io_stop (EV_A_ &pipe_w);/	1767	/ev_io_stop (EV_A_ &pipe_w);/
…		…
1690	#endif	1789	#endif
1691		1790
1692	if (backend_fd >= 0)	1791	if (backend_fd >= 0)
1693	close (backend_fd);	1792	close (backend_fd);
1694		1793
		1794	#if EV_USE_IOCP
		1795	if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A);
		1796	#endif
1695	#if EV_USE_PORT	1797	#if EV_USE_PORT
1696	if (backend == EVBACKEND_PORT ) port_destroy (EV_A);	1798	if (backend == EVBACKEND_PORT ) port_destroy (EV_A);
1697	#endif	1799	#endif
1698	#if EV_USE_KQUEUE	1800	#if EV_USE_KQUEUE
1699	if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A);	1801	if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A);
…		…
1726	array_free (periodic, EMPTY);	1828	array_free (periodic, EMPTY);
1727	#endif	1829	#endif
1728	#if EV_FORK_ENABLE	1830	#if EV_FORK_ENABLE
1729	array_free (fork, EMPTY);	1831	array_free (fork, EMPTY);
1730	#endif	1832	#endif
		1833	#if EV_CLEANUP_ENABLE
		1834	array_free (cleanup, EMPTY);
		1835	#endif
1731	array_free (prepare, EMPTY);	1836	array_free (prepare, EMPTY);
1732	array_free (check, EMPTY);	1837	array_free (check, EMPTY);
1733	#if EV_ASYNC_ENABLE	1838	#if EV_ASYNC_ENABLE
1734	array_free (async, EMPTY);	1839	array_free (async, EMPTY);
1735	#endif	1840	#endif
1736		1841
1737	backend = 0;	1842	backend = 0;
		1843
		1844	#if EV_MULTIPLICITY
		1845	if (ev_is_default_loop (EV_A))
		1846	#endif
		1847	ev_default_loop_ptr = 0;
		1848	#if EV_MULTIPLICITY
		1849	else
		1850	ev_free (EV_A);
		1851	#endif
1738	}	1852	}
1739		1853
1740	#if EV_USE_INOTIFY	1854	#if EV_USE_INOTIFY
1741	inline_size void infy_fork (EV_P);	1855	inline_size void infy_fork (EV_P);
1742	#endif	1856	#endif
…		…
1778	{	1892	{
1779	EV_WIN32_CLOSE_FD (evpipe [0]);	1893	EV_WIN32_CLOSE_FD (evpipe [0]);
1780	EV_WIN32_CLOSE_FD (evpipe [1]);	1894	EV_WIN32_CLOSE_FD (evpipe [1]);
1781	}	1895	}
1782		1896
		1897	#if EV_SIGNAL_ENABLE \|\| EV_ASYNC_ENABLE
1783	evpipe_init (EV_A);	1898	evpipe_init (EV_A);
1784	/* now iterate over everything, in case we missed something */	1899	/* now iterate over everything, in case we missed something */
1785	pipecb (EV_A_ &pipe_w, EV_READ);	1900	pipecb (EV_A_ &pipe_w, EV_READ);
		1901	#endif
1786	}	1902	}
1787		1903
1788	postfork = 0;	1904	postfork = 0;
1789	}	1905	}
1790		1906
…		…
1799	loop_init (EV_A_ flags);	1915	loop_init (EV_A_ flags);
1800		1916
1801	if (ev_backend (EV_A))	1917	if (ev_backend (EV_A))
1802	return EV_A;	1918	return EV_A;
1803		1919
		1920	ev_free (EV_A);
1804	return 0;	1921	return 0;
1805	}	1922	}
1806		1923
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 */	1924	#endif /* multiplicity */
1820		1925
1821	#if EV_VERIFY	1926	#if EV_VERIFY
1822	static void noinline	1927	static void noinline
1823	verify_watcher (EV_P_ W w)	1928	verify_watcher (EV_P_ W w)
…		…
1852	verify_watcher (EV_A_ ws [cnt]);	1957	verify_watcher (EV_A_ ws [cnt]);
1853	}	1958	}
1854	}	1959	}
1855	#endif	1960	#endif
1856		1961
1857	#if EV_MINIMAL < 2	1962	#if EV_FEATURE_API
1858	void	1963	void
1859	ev_loop_verify (EV_P)	1964	ev_verify (EV_P)
1860	{	1965	{
1861	#if EV_VERIFY	1966	#if EV_VERIFY
1862	int i;	1967	int i;
1863	WL w;	1968	WL w;
1864		1969
…		…
1898	#if EV_FORK_ENABLE	2003	#if EV_FORK_ENABLE
1899	assert (forkmax >= forkcnt);	2004	assert (forkmax >= forkcnt);
1900	array_verify (EV_A_ (W *)forks, forkcnt);	2005	array_verify (EV_A_ (W *)forks, forkcnt);
1901	#endif	2006	#endif
1902		2007
		2008	#if EV_CLEANUP_ENABLE
		2009	assert (cleanupmax >= cleanupcnt);
		2010	array_verify (EV_A_ (W *)cleanups, cleanupcnt);
		2011	#endif
		2012
1903	#if EV_ASYNC_ENABLE	2013	#if EV_ASYNC_ENABLE
1904	assert (asyncmax >= asynccnt);	2014	assert (asyncmax >= asynccnt);
1905	array_verify (EV_A_ (W *)asyncs, asynccnt);	2015	array_verify (EV_A_ (W *)asyncs, asynccnt);
1906	#endif	2016	#endif
1907		2017
		2018	#if EV_PREPARE_ENABLE
1908	assert (preparemax >= preparecnt);	2019	assert (preparemax >= preparecnt);
1909	array_verify (EV_A_ (W *)prepares, preparecnt);	2020	array_verify (EV_A_ (W *)prepares, preparecnt);
		2021	#endif
1910		2022
		2023	#if EV_CHECK_ENABLE
1911	assert (checkmax >= checkcnt);	2024	assert (checkmax >= checkcnt);
1912	array_verify (EV_A_ (W *)checks, checkcnt);	2025	array_verify (EV_A_ (W *)checks, checkcnt);
		2026	#endif
1913		2027
1914	# if 0	2028	# if 0
		2029	#if EV_CHILD_ENABLE
1915	for (w = (ev_child )childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child )((WL)w)->next)	2030	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)	2031	for (signum = EV_NSIG; signum--; ) if (signals [signum].pending)
		2032	#endif
1917	# endif	2033	# endif
1918	#endif	2034	#endif
1919	}	2035	}
1920	#endif	2036	#endif
1921		2037
1922	#if EV_MULTIPLICITY	2038	#if EV_MULTIPLICITY
1923	struct ev_loop *	2039	struct ev_loop *
1924	ev_default_loop_init (unsigned int flags)
1925	#else	2040	#else
1926	int	2041	int
		2042	#endif
1927	ev_default_loop (unsigned int flags)	2043	ev_default_loop (unsigned int flags)
1928	#endif
1929	{	2044	{
1930	if (!ev_default_loop_ptr)	2045	if (!ev_default_loop_ptr)
1931	{	2046	{
1932	#if EV_MULTIPLICITY	2047	#if EV_MULTIPLICITY
1933	EV_P = ev_default_loop_ptr = &default_loop_struct;	2048	EV_P = ev_default_loop_ptr = &default_loop_struct;
…		…
1937		2052
1938	loop_init (EV_A_ flags);	2053	loop_init (EV_A_ flags);
1939		2054
1940	if (ev_backend (EV_A))	2055	if (ev_backend (EV_A))
1941	{	2056	{
1942	#ifndef _WIN32	2057	#if EV_CHILD_ENABLE
1943	ev_signal_init (&childev, childcb, SIGCHLD);	2058	ev_signal_init (&childev, childcb, SIGCHLD);
1944	ev_set_priority (&childev, EV_MAXPRI);	2059	ev_set_priority (&childev, EV_MAXPRI);
1945	ev_signal_start (EV_A_ &childev);	2060	ev_signal_start (EV_A_ &childev);
1946	ev_unref (EV_A); /* child watcher should not keep loop alive */	2061	ev_unref (EV_A); /* child watcher should not keep loop alive */
1947	#endif	2062	#endif
…		…
1952		2067
1953	return ev_default_loop_ptr;	2068	return ev_default_loop_ptr;
1954	}	2069	}
1955		2070
1956	void	2071	void
1957	ev_default_destroy (void)	2072	ev_loop_fork (EV_P)
1958	{	2073	{
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 */	2074	postfork = 1; /* must be in line with ev_default_fork */
1981	}	2075	}
1982		2076
1983	/*****************************************************************************/	2077	/*****************************************************************************/
1984		2078
1985	void	2079	void
…		…
2076	EV_FREQUENT_CHECK;	2170	EV_FREQUENT_CHECK;
2077	feed_reverse (EV_A_ (W)w);	2171	feed_reverse (EV_A_ (W)w);
2078	}	2172	}
2079	while (timercnt && ANHE_at (timers [HEAP0]) < mn_now);	2173	while (timercnt && ANHE_at (timers [HEAP0]) < mn_now);
2080		2174
2081	feed_reverse_done (EV_A_ EV_TIMEOUT);	2175	feed_reverse_done (EV_A_ EV_TIMER);
2082	}	2176	}
2083	}	2177	}
2084		2178
2085	#if EV_PERIODIC_ENABLE	2179	#if EV_PERIODIC_ENABLE
2086	/* make periodics pending */	2180	/* make periodics pending */
…		…
2139	feed_reverse_done (EV_A_ EV_PERIODIC);	2233	feed_reverse_done (EV_A_ EV_PERIODIC);
2140	}	2234	}
2141	}	2235	}
2142		2236
2143	/* simply recalculate all periodics */	2237	/* simply recalculate all periodics */
2144	/* TODO: maybe ensure that at leats one event happens when jumping forward? */	2238	/* TODO: maybe ensure that at least one event happens when jumping forward? */
2145	static void noinline	2239	static void noinline
2146	periodics_reschedule (EV_P)	2240	periodics_reschedule (EV_P)
2147	{	2241	{
2148	int i;	2242	int i;
2149		2243
…		…
2245	mn_now = ev_rt_now;	2339	mn_now = ev_rt_now;
2246	}	2340	}
2247	}	2341	}
2248		2342
2249	void	2343	void
2250	ev_loop (EV_P_ int flags)	2344	ev_run (EV_P_ int flags)
2251	{	2345	{
2252	#if EV_MINIMAL < 2	2346	#if EV_FEATURE_API
2253	++loop_depth;	2347	++loop_depth;
2254	#endif	2348	#endif
2255		2349
2256	assert (("libev: ev_loop recursion during release detected", loop_done != EVUNLOOP_RECURSE));	2350	assert (("libev: ev_loop recursion during release detected", loop_done != EVBREAK_RECURSE));
2257		2351
2258	loop_done = EVUNLOOP_CANCEL;	2352	loop_done = EVBREAK_CANCEL;
2259		2353
2260	EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */	2354	EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */
2261		2355
2262	do	2356	do
2263	{	2357	{
2264	#if EV_VERIFY >= 2	2358	#if EV_VERIFY >= 2
2265	ev_loop_verify (EV_A);	2359	ev_verify (EV_A);
2266	#endif	2360	#endif
2267		2361
2268	#ifndef _WIN32	2362	#ifndef _WIN32
2269	if (expect_false (curpid)) /* penalise the forking check even more */	2363	if (expect_false (curpid)) /* penalise the forking check even more */
2270	if (expect_false (getpid () != curpid))	2364	if (expect_false (getpid () != curpid))
…		…
2282	queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);	2376	queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);
2283	EV_INVOKE_PENDING;	2377	EV_INVOKE_PENDING;
2284	}	2378	}
2285	#endif	2379	#endif
2286		2380
		2381	#if EV_PREPARE_ENABLE
2287	/* queue prepare watchers (and execute them) */	2382	/* queue prepare watchers (and execute them) */
2288	if (expect_false (preparecnt))	2383	if (expect_false (preparecnt))
2289	{	2384	{
2290	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);	2385	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
2291	EV_INVOKE_PENDING;	2386	EV_INVOKE_PENDING;
2292	}	2387	}
		2388	#endif
2293		2389
2294	if (expect_false (loop_done))	2390	if (expect_false (loop_done))
2295	break;	2391	break;
2296		2392
2297	/* we might have forked, so reify kernel state if necessary */	2393	/* we might have forked, so reify kernel state if necessary */
…		…
2304	/* calculate blocking time */	2400	/* calculate blocking time */
2305	{	2401	{
2306	ev_tstamp waittime = 0.;	2402	ev_tstamp waittime = 0.;
2307	ev_tstamp sleeptime = 0.;	2403	ev_tstamp sleeptime = 0.;
2308		2404
		2405	/* remember old timestamp for io_blocktime calculation */
		2406	ev_tstamp prev_mn_now = mn_now;
		2407
		2408	/* update time to cancel out callback processing overhead */
		2409	time_update (EV_A_ 1e100);
		2410
2309	if (expect_true (!(flags & EVLOOP_NONBLOCK \|\| idleall \|\| !activecnt)))	2411	if (expect_true (!(flags & EVRUN_NOWAIT \|\| idleall \|\| !activecnt)))
2310	{	2412	{
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;	2413	waittime = MAX_BLOCKTIME;
2318		2414
2319	if (timercnt)	2415	if (timercnt)
2320	{	2416	{
2321	ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge;	2417	ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge;
…		…
2348	waittime -= sleeptime;	2444	waittime -= sleeptime;
2349	}	2445	}
2350	}	2446	}
2351	}	2447	}
2352		2448
2353	#if EV_MINIMAL < 2	2449	#if EV_FEATURE_API
2354	++loop_count;	2450	++loop_count;
2355	#endif	2451	#endif
2356	assert ((loop_done = EVUNLOOP_RECURSE, 1)); /* assert for side effect */	2452	assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */
2357	backend_poll (EV_A_ waittime);	2453	backend_poll (EV_A_ waittime);
2358	assert ((loop_done = EVUNLOOP_CANCEL, 1)); /* assert for side effect */	2454	assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */
2359		2455
2360	/* update ev_rt_now, do magic */	2456	/* update ev_rt_now, do magic */
2361	time_update (EV_A_ waittime + sleeptime);	2457	time_update (EV_A_ waittime + sleeptime);
2362	}	2458	}
2363		2459
…		…
2370	#if EV_IDLE_ENABLE	2466	#if EV_IDLE_ENABLE
2371	/* queue idle watchers unless other events are pending */	2467	/* queue idle watchers unless other events are pending */
2372	idle_reify (EV_A);	2468	idle_reify (EV_A);
2373	#endif	2469	#endif
2374		2470
		2471	#if EV_CHECK_ENABLE
2375	/* queue check watchers, to be executed first */	2472	/* queue check watchers, to be executed first */
2376	if (expect_false (checkcnt))	2473	if (expect_false (checkcnt))
2377	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);	2474	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
		2475	#endif
2378		2476
2379	EV_INVOKE_PENDING;	2477	EV_INVOKE_PENDING;
2380	}	2478	}
2381	while (expect_true (	2479	while (expect_true (
2382	activecnt	2480	activecnt
2383	&& !loop_done	2481	&& !loop_done
2384	&& !(flags & (EVLOOP_ONESHOT \| EVLOOP_NONBLOCK))	2482	&& !(flags & (EVRUN_ONCE \| EVRUN_NOWAIT))
2385	));	2483	));
2386		2484
2387	if (loop_done == EVUNLOOP_ONE)	2485	if (loop_done == EVBREAK_ONE)
2388	loop_done = EVUNLOOP_CANCEL;	2486	loop_done = EVBREAK_CANCEL;
2389		2487
2390	#if EV_MINIMAL < 2	2488	#if EV_FEATURE_API
2391	--loop_depth;	2489	--loop_depth;
2392	#endif	2490	#endif
2393	}	2491	}
2394		2492
2395	void	2493	void
2396	ev_unloop (EV_P_ int how)	2494	ev_break (EV_P_ int how)
2397	{	2495	{
2398	loop_done = how;	2496	loop_done = how;
2399	}	2497	}
2400		2498
2401	void	2499	void
…		…
2549	EV_FREQUENT_CHECK;	2647	EV_FREQUENT_CHECK;
2550		2648
2551	wlist_del (&anfds[w->fd].head, (WL)w);	2649	wlist_del (&anfds[w->fd].head, (WL)w);
2552	ev_stop (EV_A_ (W)w);	2650	ev_stop (EV_A_ (W)w);
2553		2651
2554	fd_change (EV_A_ w->fd, 1);	2652	fd_change (EV_A_ w->fd, EV_ANFD_REIFY);
2555		2653
2556	EV_FREQUENT_CHECK;	2654	EV_FREQUENT_CHECK;
2557	}	2655	}
2558		2656
2559	void noinline	2657	void noinline
…		…
2712		2810
2713	#ifndef SA_RESTART	2811	#ifndef SA_RESTART
2714	# define SA_RESTART 0	2812	# define SA_RESTART 0
2715	#endif	2813	#endif
2716		2814
		2815	#if EV_SIGNAL_ENABLE
		2816
2717	void noinline	2817	void noinline
2718	ev_signal_start (EV_P_ ev_signal *w)	2818	ev_signal_start (EV_P_ ev_signal *w)
2719	{	2819	{
2720	if (expect_false (ev_is_active (w)))	2820	if (expect_false (ev_is_active (w)))
2721	return;	2821	return;
…		…
2827	}	2927	}
2828		2928
2829	EV_FREQUENT_CHECK;	2929	EV_FREQUENT_CHECK;
2830	}	2930	}
2831		2931
		2932	#endif
		2933
		2934	#if EV_CHILD_ENABLE
		2935
2832	void	2936	void
2833	ev_child_start (EV_P_ ev_child *w)	2937	ev_child_start (EV_P_ ev_child *w)
2834	{	2938	{
2835	#if EV_MULTIPLICITY	2939	#if EV_MULTIPLICITY
2836	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));	2940	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
…		…
2839	return;	2943	return;
2840		2944
2841	EV_FREQUENT_CHECK;	2945	EV_FREQUENT_CHECK;
2842		2946
2843	ev_start (EV_A_ (W)w, 1);	2947	ev_start (EV_A_ (W)w, 1);
2844	wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);	2948	wlist_add (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w);
2845		2949
2846	EV_FREQUENT_CHECK;	2950	EV_FREQUENT_CHECK;
2847	}	2951	}
2848		2952
2849	void	2953	void
…		…
2853	if (expect_false (!ev_is_active (w)))	2957	if (expect_false (!ev_is_active (w)))
2854	return;	2958	return;
2855		2959
2856	EV_FREQUENT_CHECK;	2960	EV_FREQUENT_CHECK;
2857		2961
2858	wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);	2962	wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w);
2859	ev_stop (EV_A_ (W)w);	2963	ev_stop (EV_A_ (W)w);
2860		2964
2861	EV_FREQUENT_CHECK;	2965	EV_FREQUENT_CHECK;
2862	}	2966	}
		2967
		2968	#endif
2863		2969
2864	#if EV_STAT_ENABLE	2970	#if EV_STAT_ENABLE
2865		2971
2866	# ifdef _WIN32	2972	# ifdef _WIN32
2867	# undef lstat	2973	# undef lstat
…		…
2934	while (w->wd < 0 && (errno == ENOENT \|\| errno == EACCES));	3040	while (w->wd < 0 && (errno == ENOENT \|\| errno == EACCES));
2935	}	3041	}
2936	}	3042	}
2937		3043
2938	if (w->wd >= 0)	3044	if (w->wd >= 0)
2939	wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w);	3045	wlist_add (&fs_hash [w->wd & ((EV_INOTIFY_HASHSIZE) - 1)].head, (WL)w);
2940		3046
2941	/* now re-arm timer, if required */	3047	/* now re-arm timer, if required */
2942	if (ev_is_active (&w->timer)) ev_ref (EV_A);	3048	if (ev_is_active (&w->timer)) ev_ref (EV_A);
2943	ev_timer_again (EV_A_ &w->timer);	3049	ev_timer_again (EV_A_ &w->timer);
2944	if (ev_is_active (&w->timer)) ev_unref (EV_A);	3050	if (ev_is_active (&w->timer)) ev_unref (EV_A);
…		…
2952		3058
2953	if (wd < 0)	3059	if (wd < 0)
2954	return;	3060	return;
2955		3061
2956	w->wd = -2;	3062	w->wd = -2;
2957	slot = wd & (EV_INOTIFY_HASHSIZE - 1);	3063	slot = wd & ((EV_INOTIFY_HASHSIZE) - 1);
2958	wlist_del (&fs_hash [slot].head, (WL)w);	3064	wlist_del (&fs_hash [slot].head, (WL)w);
2959		3065
2960	/* remove this watcher, if others are watching it, they will rearm */	3066	/* remove this watcher, if others are watching it, they will rearm */
2961	inotify_rm_watch (fs_fd, wd);	3067	inotify_rm_watch (fs_fd, wd);
2962	}	3068	}
…		…
2964	static void noinline	3070	static void noinline
2965	infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)	3071	infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)
2966	{	3072	{
2967	if (slot < 0)	3073	if (slot < 0)
2968	/* overflow, need to check for all hash slots */	3074	/* overflow, need to check for all hash slots */
2969	for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot)	3075	for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)
2970	infy_wd (EV_A_ slot, wd, ev);	3076	infy_wd (EV_A_ slot, wd, ev);
2971	else	3077	else
2972	{	3078	{
2973	WL w_;	3079	WL w_;
2974		3080
2975	for (w_ = fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head; w_; )	3081	for (w_ = fs_hash [slot & ((EV_INOTIFY_HASHSIZE) - 1)].head; w_; )
2976	{	3082	{
2977	ev_stat w = (ev_stat )w_;	3083	ev_stat w = (ev_stat )w_;
2978	w_ = w_->next; /* lets us remove this watcher and all before it */	3084	w_ = w_->next; /* lets us remove this watcher and all before it */
2979		3085
2980	if (w->wd == wd \|\| wd == -1)	3086	if (w->wd == wd \|\| wd == -1)
2981	{	3087	{
2982	if (ev->mask & (IN_IGNORED \| IN_UNMOUNT \| IN_DELETE_SELF))	3088	if (ev->mask & (IN_IGNORED \| IN_UNMOUNT \| IN_DELETE_SELF))
2983	{	3089	{
2984	wlist_del (&fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w);	3090	wlist_del (&fs_hash [slot & ((EV_INOTIFY_HASHSIZE) - 1)].head, (WL)w);
2985	w->wd = -1;	3091	w->wd = -1;
2986	infy_add (EV_A_ w); /* re-add, no matter what */	3092	infy_add (EV_A_ w); /* re-add, no matter what */
2987	}	3093	}
2988		3094
2989	stat_timer_cb (EV_A_ &w->timer, 0);	3095	stat_timer_cb (EV_A_ &w->timer, 0);
…		…
3003	{	3109	{
3004	struct inotify_event ev = (struct inotify_event )(buf + ofs);	3110	struct inotify_event ev = (struct inotify_event )(buf + ofs);
3005	infy_wd (EV_A_ ev->wd, ev->wd, ev);	3111	infy_wd (EV_A_ ev->wd, ev->wd, ev);
3006	ofs += sizeof (struct inotify_event) + ev->len;	3112	ofs += sizeof (struct inotify_event) + ev->len;
3007	}	3113	}
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	}	3114	}
3041		3115
3042	inline_size void	3116	inline_size void
3043	ev_check_2625 (EV_P)	3117	ev_check_2625 (EV_P)
3044	{	3118	{
…		…
3103	ev_io_set (&fs_w, fs_fd, EV_READ);	3177	ev_io_set (&fs_w, fs_fd, EV_READ);
3104	ev_io_start (EV_A_ &fs_w);	3178	ev_io_start (EV_A_ &fs_w);
3105	ev_unref (EV_A);	3179	ev_unref (EV_A);
3106	}	3180	}
3107		3181
3108	for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot)	3182	for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)
3109	{	3183	{
3110	WL w_ = fs_hash [slot].head;	3184	WL w_ = fs_hash [slot].head;
3111	fs_hash [slot].head = 0;	3185	fs_hash [slot].head = 0;
3112		3186
3113	while (w_)	3187	while (w_)
…		…
3288		3362
3289	EV_FREQUENT_CHECK;	3363	EV_FREQUENT_CHECK;
3290	}	3364	}
3291	#endif	3365	#endif
3292		3366
		3367	#if EV_PREPARE_ENABLE
3293	void	3368	void
3294	ev_prepare_start (EV_P_ ev_prepare *w)	3369	ev_prepare_start (EV_P_ ev_prepare *w)
3295	{	3370	{
3296	if (expect_false (ev_is_active (w)))	3371	if (expect_false (ev_is_active (w)))
3297	return;	3372	return;
…		…
3323		3398
3324	ev_stop (EV_A_ (W)w);	3399	ev_stop (EV_A_ (W)w);
3325		3400
3326	EV_FREQUENT_CHECK;	3401	EV_FREQUENT_CHECK;
3327	}	3402	}
		3403	#endif
3328		3404
		3405	#if EV_CHECK_ENABLE
3329	void	3406	void
3330	ev_check_start (EV_P_ ev_check *w)	3407	ev_check_start (EV_P_ ev_check *w)
3331	{	3408	{
3332	if (expect_false (ev_is_active (w)))	3409	if (expect_false (ev_is_active (w)))
3333	return;	3410	return;
…		…
3359		3436
3360	ev_stop (EV_A_ (W)w);	3437	ev_stop (EV_A_ (W)w);
3361		3438
3362	EV_FREQUENT_CHECK;	3439	EV_FREQUENT_CHECK;
3363	}	3440	}
		3441	#endif
3364		3442
3365	#if EV_EMBED_ENABLE	3443	#if EV_EMBED_ENABLE
3366	void noinline	3444	void noinline
3367	ev_embed_sweep (EV_P_ ev_embed *w)	3445	ev_embed_sweep (EV_P_ ev_embed *w)
3368	{	3446	{
3369	ev_loop (w->other, EVLOOP_NONBLOCK);	3447	ev_run (w->other, EVRUN_NOWAIT);
3370	}	3448	}
3371		3449
3372	static void	3450	static void
3373	embed_io_cb (EV_P_ ev_io *io, int revents)	3451	embed_io_cb (EV_P_ ev_io *io, int revents)
3374	{	3452	{
3375	ev_embed w = (ev_embed )(((char *)io) - offsetof (ev_embed, io));	3453	ev_embed w = (ev_embed )(((char *)io) - offsetof (ev_embed, io));
3376		3454
3377	if (ev_cb (w))	3455	if (ev_cb (w))
3378	ev_feed_event (EV_A_ (W)w, EV_EMBED);	3456	ev_feed_event (EV_A_ (W)w, EV_EMBED);
3379	else	3457	else
3380	ev_loop (w->other, EVLOOP_NONBLOCK);	3458	ev_run (w->other, EVRUN_NOWAIT);
3381	}	3459	}
3382		3460
3383	static void	3461	static void
3384	embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents)	3462	embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents)
3385	{	3463	{
…		…
3389	EV_P = w->other;	3467	EV_P = w->other;
3390		3468
3391	while (fdchangecnt)	3469	while (fdchangecnt)
3392	{	3470	{
3393	fd_reify (EV_A);	3471	fd_reify (EV_A);
3394	ev_loop (EV_A_ EVLOOP_NONBLOCK);	3472	ev_run (EV_A_ EVRUN_NOWAIT);
3395	}	3473	}
3396	}	3474	}
3397	}	3475	}
3398		3476
3399	static void	3477	static void
…		…
3405		3483
3406	{	3484	{
3407	EV_P = w->other;	3485	EV_P = w->other;
3408		3486
3409	ev_loop_fork (EV_A);	3487	ev_loop_fork (EV_A);
3410	ev_loop (EV_A_ EVLOOP_NONBLOCK);	3488	ev_run (EV_A_ EVRUN_NOWAIT);
3411	}	3489	}
3412		3490
3413	ev_embed_start (EV_A_ w);	3491	ev_embed_start (EV_A_ w);
3414	}	3492	}
3415		3493
…		…
3507		3585
3508	EV_FREQUENT_CHECK;	3586	EV_FREQUENT_CHECK;
3509	}	3587	}
3510	#endif	3588	#endif
3511		3589
3512	#if EV_ASYNC_ENABLE	3590	#if EV_CLEANUP_ENABLE
3513	void	3591	void
3514	ev_async_start (EV_P_ ev_async *w)	3592	ev_cleanup_start (EV_P_ ev_cleanup *w)
3515	{	3593	{
3516	if (expect_false (ev_is_active (w)))	3594	if (expect_false (ev_is_active (w)))
3517	return;	3595	return;
		3596
		3597	EV_FREQUENT_CHECK;
		3598
		3599	ev_start (EV_A_ (W)w, ++cleanupcnt);
		3600	array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, EMPTY2);
		3601	cleanups [cleanupcnt - 1] = w;
		3602
		3603	/* cleanup watchers should never keep a refcount on the loop */
		3604	ev_unref (EV_A);
		3605	EV_FREQUENT_CHECK;
		3606	}
		3607
		3608	void
		3609	ev_cleanup_stop (EV_P_ ev_cleanup *w)
		3610	{
		3611	clear_pending (EV_A_ (W)w);
		3612	if (expect_false (!ev_is_active (w)))
		3613	return;
		3614
		3615	EV_FREQUENT_CHECK;
		3616	ev_ref (EV_A);
		3617
		3618	{
		3619	int active = ev_active (w);
		3620
		3621	cleanups [active - 1] = cleanups [--cleanupcnt];
		3622	ev_active (cleanups [active - 1]) = active;
		3623	}
		3624
		3625	ev_stop (EV_A_ (W)w);
		3626
		3627	EV_FREQUENT_CHECK;
		3628	}
		3629	#endif
		3630
		3631	#if EV_ASYNC_ENABLE
		3632	void
		3633	ev_async_start (EV_P_ ev_async *w)
		3634	{
		3635	if (expect_false (ev_is_active (w)))
		3636	return;
		3637
		3638	w->sent = 0;
3518		3639
3519	evpipe_init (EV_A);	3640	evpipe_init (EV_A);
3520		3641
3521	EV_FREQUENT_CHECK;	3642	EV_FREQUENT_CHECK;
3522		3643
…		…
3600	{	3721	{
3601	struct ev_once once = (struct ev_once )ev_malloc (sizeof (struct ev_once));	3722	struct ev_once once = (struct ev_once )ev_malloc (sizeof (struct ev_once));
3602		3723
3603	if (expect_false (!once))	3724	if (expect_false (!once))
3604	{	3725	{
3605	cb (EV_ERROR \| EV_READ \| EV_WRITE \| EV_TIMEOUT, arg);	3726	cb (EV_ERROR \| EV_READ \| EV_WRITE \| EV_TIMER, arg);
3606	return;	3727	return;
3607	}	3728	}
3608		3729
3609	once->cb = cb;	3730	once->cb = cb;
3610	once->arg = arg;	3731	once->arg = arg;
…		…
3697	if (types & EV_ASYNC)	3818	if (types & EV_ASYNC)
3698	for (i = asynccnt; i--; )	3819	for (i = asynccnt; i--; )
3699	cb (EV_A_ EV_ASYNC, asyncs [i]);	3820	cb (EV_A_ EV_ASYNC, asyncs [i]);
3700	#endif	3821	#endif
3701		3822
		3823	#if EV_PREPARE_ENABLE
3702	if (types & EV_PREPARE)	3824	if (types & EV_PREPARE)
3703	for (i = preparecnt; i--; )	3825	for (i = preparecnt; i--; )
3704	#if EV_EMBED_ENABLE	3826	# if EV_EMBED_ENABLE
3705	if (ev_cb (prepares [i]) != embed_prepare_cb)	3827	if (ev_cb (prepares [i]) != embed_prepare_cb)
3706	#endif	3828	# endif
3707	cb (EV_A_ EV_PREPARE, prepares [i]);	3829	cb (EV_A_ EV_PREPARE, prepares [i]);
		3830	#endif
3708		3831
		3832	#if EV_CHECK_ENABLE
3709	if (types & EV_CHECK)	3833	if (types & EV_CHECK)
3710	for (i = checkcnt; i--; )	3834	for (i = checkcnt; i--; )
3711	cb (EV_A_ EV_CHECK, checks [i]);	3835	cb (EV_A_ EV_CHECK, checks [i]);
		3836	#endif
3712		3837
		3838	#if EV_SIGNAL_ENABLE
3713	if (types & EV_SIGNAL)	3839	if (types & EV_SIGNAL)
3714	for (i = 0; i < EV_NSIG - 1; ++i)	3840	for (i = 0; i < EV_NSIG - 1; ++i)
3715	for (wl = signals [i].head; wl; )	3841	for (wl = signals [i].head; wl; )
3716	{	3842	{
3717	wn = wl->next;	3843	wn = wl->next;
3718	cb (EV_A_ EV_SIGNAL, wl);	3844	cb (EV_A_ EV_SIGNAL, wl);
3719	wl = wn;	3845	wl = wn;
3720	}	3846	}
		3847	#endif
3721		3848
		3849	#if EV_CHILD_ENABLE
3722	if (types & EV_CHILD)	3850	if (types & EV_CHILD)
3723	for (i = EV_PID_HASHSIZE; i--; )	3851	for (i = (EV_PID_HASHSIZE); i--; )
3724	for (wl = childs [i]; wl; )	3852	for (wl = childs [i]; wl; )
3725	{	3853	{
3726	wn = wl->next;	3854	wn = wl->next;
3727	cb (EV_A_ EV_CHILD, wl);	3855	cb (EV_A_ EV_CHILD, wl);
3728	wl = wn;	3856	wl = wn;
3729	}	3857	}
		3858	#endif
3730	/* EV_STAT 0x00001000 /* stat data changed */	3859	/* EV_STAT 0x00001000 /* stat data changed */
3731	/* EV_EMBED 0x00010000 /* embedded event loop needs sweep */	3860	/* EV_EMBED 0x00010000 /* embedded event loop needs sweep */
3732	}	3861	}
3733	#endif	3862	#endif
3734		3863
3735	#if EV_MULTIPLICITY	3864	#if EV_MULTIPLICITY
3736	#include "ev_wrap.h"	3865	#include "ev_wrap.h"
3737	#endif	3866	#endif
3738		3867
3739	#ifdef __cplusplus	3868	EV_CPP(})
3740	}
3741	#endif
3742		3869

Diff Legend

-–
+Removed lines
-+
+Added lines
-<
+Changed lines
->
+Changed lines

Comparing libev/ev.c (file contents): Revision 1.330 by root, Tue Mar 9 08:46:17 2010 UTC vs. Revision 1.364 by root, Sun Oct 24 21:51:03 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 1.364 by root, Sun Oct 24 21:51:03 2010 UTC