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

Comparing libev/ev.h (file contents):
Revision 1.134 by root, Tue Mar 16 00:20:17 2010 UTC vs.
Revision 1.161 by root, Sat Oct 15 09:05:03 2011 UTC

…		…
1	/*	1	/*
2	* libev native API header	2	* libev native API header
3	*	3	*
4	* Copyright (c) 2007,2008,2009,2010 Marc Alexander Lehmann <libev@schmorp.de>	4	* Copyright (c) 2007,2008,2009,2010,2011 Marc Alexander Lehmann <libev@schmorp.de>
5	* All rights reserved.	5	* All rights reserved.
6	*	6	*
7	* Redistribution and use in source and binary forms, with or without modifica-	7	* Redistribution and use in source and binary forms, with or without modifica-
8	* tion, are permitted provided that the following conditions are met:	8	* tion, are permitted provided that the following conditions are met:
9	*	9	*
10	* 1. Redistributions of source code must retain the above copyright notice,	10	* 1. Redistributions of source code must retain the above copyright notice,
11	* this list of conditions and the following disclaimer.	11	* this list of conditions and the following disclaimer.
12	*	12	*
13	* 2. Redistributions in binary form must reproduce the above copyright	13	* 2. Redistributions in binary form must reproduce the above copyright
14	* notice, this list of conditions and the following disclaimer in the	14	* notice, this list of conditions and the following disclaimer in the
15	* documentation and/or other materials provided with the distribution.	15	* documentation and/or other materials provided with the distribution.
16	*	16	*
17	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED	17	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
18	* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER-	18	* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER-
19	* CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO	19	* CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
20	* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE-	20	* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE-
21	* CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,	21	* CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
39		39
40	#ifndef EV_H_	40	#ifndef EV_H_
41	#define EV_H_	41	#define EV_H_
42		42
43	#ifdef __cplusplus	43	#ifdef __cplusplus
		44	# define EV_CPP(x) x
		45	#else
		46	# define EV_CPP(x)
		47	#endif
		48
44	extern "C" {	49	EV_CPP(extern "C" {)
45	#endif
46		50
47	/*****************************************************************************/	51	/*****************************************************************************/
48		52
		53	/* pre-4.0 compatibility */
		54	#ifndef EV_COMPAT3
		55	# define EV_COMPAT3 1
		56	#endif
		57
49	#ifndef EV_FEATURES	58	#ifndef EV_FEATURES
50	# define EV_FEATURES 0x3f	59	# define EV_FEATURES 0x7f
51	#endif	60	#endif
52		61
53	#define EV_FEATURE_CODE ((EV_FEATURES) & 1)	62	#define EV_FEATURE_CODE ((EV_FEATURES) & 1)
54	#define EV_FEATURE_DATA ((EV_FEATURES) & 2)	63	#define EV_FEATURE_DATA ((EV_FEATURES) & 2)
		64	#define EV_FEATURE_CONFIG ((EV_FEATURES) & 4)
55	#define EV_FEATURE_API ((EV_FEATURES) & 4)	65	#define EV_FEATURE_API ((EV_FEATURES) & 8)
56	#define EV_FEATURE_WATCHERS ((EV_FEATURES) & 8)	66	#define EV_FEATURE_WATCHERS ((EV_FEATURES) & 16)
57	#define EV_FEATURE_BACKENDS ((EV_FEATURES) & 16)	67	#define EV_FEATURE_BACKENDS ((EV_FEATURES) & 32)
58	#define EV_FEATURE_OS ((EV_FEATURES) & 32)	68	#define EV_FEATURE_OS ((EV_FEATURES) & 64)
59		69
60	/* these priorities are inclusive, higher priorities will be called earlier */	70	/* these priorities are inclusive, higher priorities will be invoked earlier */
61	#ifndef EV_MINPRI	71	#ifndef EV_MINPRI
62	# define EV_MINPRI (EV_FEATURE_API ? -2 : 0)	72	# define EV_MINPRI (EV_FEATURE_CONFIG ? -2 : 0)
63	#endif	73	#endif
64	#ifndef EV_MAXPRI	74	#ifndef EV_MAXPRI
65	# define EV_MAXPRI (EV_FEATURE_API ? +2 : 0)	75	# define EV_MAXPRI (EV_FEATURE_CONFIG ? +2 : 0)
66	#endif	76	#endif
67		77
68	#ifndef EV_MULTIPLICITY	78	#ifndef EV_MULTIPLICITY
69	# define EV_MULTIPLICITY EV_FEATURE_API	79	# define EV_MULTIPLICITY EV_FEATURE_CONFIG
70	#endif	80	#endif
71		81
72	#ifndef EV_PERIODIC_ENABLE	82	#ifndef EV_PERIODIC_ENABLE
73	# define EV_PERIODIC_ENABLE EV_FEATURE_WATCHERS	83	# define EV_PERIODIC_ENABLE EV_FEATURE_WATCHERS
74	#endif	84	#endif
…		…
89	# define EV_IDLE_ENABLE EV_FEATURE_WATCHERS	99	# define EV_IDLE_ENABLE EV_FEATURE_WATCHERS
90	#endif	100	#endif
91		101
92	#ifndef EV_FORK_ENABLE	102	#ifndef EV_FORK_ENABLE
93	# define EV_FORK_ENABLE EV_FEATURE_WATCHERS	103	# define EV_FORK_ENABLE EV_FEATURE_WATCHERS
		104	#endif
		105
		106	#ifndef EV_CLEANUP_ENABLE
		107	# define EV_CLEANUP_ENABLE EV_FEATURE_WATCHERS
94	#endif	108	#endif
95		109
96	#ifndef EV_SIGNAL_ENABLE	110	#ifndef EV_SIGNAL_ENABLE
97	# define EV_SIGNAL_ENABLE EV_FEATURE_WATCHERS	111	# define EV_SIGNAL_ENABLE EV_FEATURE_WATCHERS
98	#endif	112	#endif
…		…
123	# undef EV_SIGNAL_ENABLE	137	# undef EV_SIGNAL_ENABLE
124	# define EV_SIGNAL_ENABLE 1	138	# define EV_SIGNAL_ENABLE 1
125	#endif	139	#endif
126		140
127	/*****************************************************************************/	141	/*****************************************************************************/
128
129	#if !EV_FEATURE_CODE && !defined (NDEBUG)
130	# define NDEBUG 1
131	# include <assert.h>
132	#endif
133		142
134	typedef double ev_tstamp;	143	typedef double ev_tstamp;
135		144
136	#ifndef EV_ATOMIC_T	145	#ifndef EV_ATOMIC_T
137	# include <signal.h>	146	# include <signal.h>
…		…
147	#endif	156	#endif
148		157
149	/* support multiple event loops? */	158	/* support multiple event loops? */
150	#if EV_MULTIPLICITY	159	#if EV_MULTIPLICITY
151	struct ev_loop;	160	struct ev_loop;
152	# define EV_P struct ev_loop *loop	161	# define EV_P struct ev_loop loop / a loop as sole parameter in a declaration */
153	# define EV_P_ EV_P,	162	# define EV_P_ EV_P, /* a loop as first of multiple parameters */
154	# define EV_A loop	163	# define EV_A loop /* a loop as sole argument to a function call */
155	# define EV_A_ EV_A,	164	# define EV_A_ EV_A, /* a loop as first of multiple arguments */
156	# define EV_DEFAULT_UC ev_default_loop_uc ()	165	# define EV_DEFAULT_UC ev_default_loop_uc_ () /* the default loop, if initialised, as sole arg */
157	# define EV_DEFAULT_UC_ EV_DEFAULT_UC,	166	# define EV_DEFAULT_UC_ EV_DEFAULT_UC, /* the default loop as first of multiple arguments */
158	# define EV_DEFAULT ev_default_loop (0)	167	# define EV_DEFAULT ev_default_loop (0) /* the default loop as sole arg */
159	# define EV_DEFAULT_ EV_DEFAULT,	168	# define EV_DEFAULT_ EV_DEFAULT, /* the default loop as first of multiple arguments */
160	#else	169	#else
161	# define EV_P void	170	# define EV_P void
162	# define EV_P_	171	# define EV_P_
163	# define EV_A	172	# define EV_A
164	# define EV_A_	173	# define EV_A_
…		…
167	# define EV_DEFAULT_UC	176	# define EV_DEFAULT_UC
168	# define EV_DEFAULT_UC_	177	# define EV_DEFAULT_UC_
169	# undef EV_EMBED_ENABLE	178	# undef EV_EMBED_ENABLE
170	#endif	179	#endif
171		180
		181	/* EV_INLINE is used for functions in header files */
172	#if __STDC_VERSION__ >= 199901L \|\| __GNUC__ >= 3	182	#if __STDC_VERSION__ >= 199901L \|\| __GNUC__ >= 3
173	# define EV_INLINE static inline	183	# define EV_INLINE static inline
174	#else	184	#else
175	# define EV_INLINE static	185	# define EV_INLINE static
176	#endif	186	#endif
177		187
		188	/* EV_PROTOTYPES can be used to switch of prototype declarations */
		189	#ifndef EV_PROTOTYPES
		190	# define EV_PROTOTYPES 1
		191	#endif
		192
178	/*****************************************************************************/	193	/*****************************************************************************/
179		194
		195	#define EV_VERSION_MAJOR 4
		196	#define EV_VERSION_MINOR 4
		197
180	/* eventmask, revents, events... */	198	/* eventmask, revents, events... */
181	#define EV_UNDEF -1 /* guaranteed to be invalid */	199	enum {
		200	EV_UNDEF = 0xFFFFFFFF, /* guaranteed to be invalid */
182	#define EV_NONE 0x00 /* no events */	201	EV_NONE = 0x00, /* no events */
183	#define EV_READ 0x01 /* ev_io detected read will not block */	202	EV_READ = 0x01, /* ev_io detected read will not block */
184	#define EV_WRITE 0x02 /* ev_io detected write will not block */	203	EV_WRITE = 0x02, /* ev_io detected write will not block */
185	#define EV__IOFDSET 0x80 /* internal use only */	204	EV__IOFDSET = 0x80, /* internal use only */
186	#define EV_IO EV_READ /* alias for type-detection */	205	EV_IO = EV_READ, /* alias for type-detection */
187	#define EV_TIMEOUT 0x00000100 /* timer timed out */	206	EV_TIMER = 0x00000100, /* timer timed out */
188	#define EV_TIMER EV_TIMEOUT /* alias for type-detection */	207	#if EV_COMPAT3
		208	EV_TIMEOUT = EV_TIMER, /* pre 4.0 API compatibility */
		209	#endif
189	#define EV_PERIODIC 0x00000200 /* periodic timer timed out */	210	EV_PERIODIC = 0x00000200, /* periodic timer timed out */
190	#define EV_SIGNAL 0x00000400 /* signal was received */	211	EV_SIGNAL = 0x00000400, /* signal was received */
191	#define EV_CHILD 0x00000800 /* child/pid had status change */	212	EV_CHILD = 0x00000800, /* child/pid had status change */
192	#define EV_STAT 0x00001000 /* stat data changed */	213	EV_STAT = 0x00001000, /* stat data changed */
193	#define EV_IDLE 0x00002000 /* event loop is idling */	214	EV_IDLE = 0x00002000, /* event loop is idling */
194	#define EV_PREPARE 0x00004000 /* event loop about to poll */	215	EV_PREPARE = 0x00004000, /* event loop about to poll */
195	#define EV_CHECK 0x00008000 /* event loop finished poll */	216	EV_CHECK = 0x00008000, /* event loop finished poll */
196	#define EV_EMBED 0x00010000 /* embedded event loop needs sweep */	217	EV_EMBED = 0x00010000, /* embedded event loop needs sweep */
197	#define EV_FORK 0x00020000 /* event loop resumed in child */	218	EV_FORK = 0x00020000, /* event loop resumed in child */
		219	EV_CLEANUP = 0x00040000, /* event loop resumed in child */
198	#define EV_ASYNC 0x00040000 /* async intra-loop signal */	220	EV_ASYNC = 0x00080000, /* async intra-loop signal */
199	#define EV_CUSTOM 0x01000000 /* for use by user code */	221	EV_CUSTOM = 0x01000000, /* for use by user code */
200	#define EV_ERROR 0x80000000 /* sent when an error occurs */	222	EV_ERROR = 0x80000000 /* sent when an error occurs */
		223	};
201		224
202	/* can be used to add custom fields to all watchers, while losing binary compatibility */	225	/* can be used to add custom fields to all watchers, while losing binary compatibility */
203	#ifndef EV_COMMON	226	#ifndef EV_COMMON
204	# define EV_COMMON void *data;	227	# define EV_COMMON void *data;
205	#endif	228	#endif
206	#ifndef EV_PROTOTYPES
207	# define EV_PROTOTYPES 1
208	#endif
209
210	#define EV_VERSION_MAJOR 3
211	#define EV_VERSION_MINOR 9
212		229
213	#ifndef EV_CB_DECLARE	230	#ifndef EV_CB_DECLARE
214	# define EV_CB_DECLARE(type) void (cb)(EV_P_ struct type w, int revents);	231	# define EV_CB_DECLARE(type) void (cb)(EV_P_ struct type w, int revents);
215	#endif	232	#endif
216	#ifndef EV_CB_INVOKE	233	#ifndef EV_CB_INVOKE
217	# define EV_CB_INVOKE(watcher,revents) (watcher)->cb (EV_A_ (watcher), (revents))	234	# define EV_CB_INVOKE(watcher,revents) (watcher)->cb (EV_A_ (watcher), (revents))
218	#endif	235	#endif
		236
		237	/* not official, do not use */
		238	#define EV_CB(type,name) void name (EV_P_ struct ev_ ## type *w, int revents)
219		239
220	/*	240	/*
221	* struct member types:	241	* struct member types:
222	* private: you may look at them, but not change them,	242	* private: you may look at them, but not change them,
223	* and they might not mean anything to you.	243	* and they might not mean anything to you.
…		…
234	* or the array index + 1 in the pendings array.	254	* or the array index + 1 in the pendings array.
235	*/	255	*/
236		256
237	#if EV_MINPRI == EV_MAXPRI	257	#if EV_MINPRI == EV_MAXPRI
238	# define EV_DECL_PRIORITY	258	# define EV_DECL_PRIORITY
239	#else	259	#elif !defined (EV_DECL_PRIORITY)
240	# define EV_DECL_PRIORITY int priority;	260	# define EV_DECL_PRIORITY int priority;
241	#endif	261	#endif
242		262
243	/* shared by all watchers */	263	/* shared by all watchers */
244	#define EV_WATCHER(type) \	264	#define EV_WATCHER(type) \
…		…
374	EV_WATCHER (ev_check)	394	EV_WATCHER (ev_check)
375	} ev_check;	395	} ev_check;
376		396
377	#if EV_FORK_ENABLE	397	#if EV_FORK_ENABLE
378	/* the callback gets invoked before check in the child process when a fork was detected */	398	/* the callback gets invoked before check in the child process when a fork was detected */
		399	/* revent EV_FORK */
379	typedef struct ev_fork	400	typedef struct ev_fork
380	{	401	{
381	EV_WATCHER (ev_fork)	402	EV_WATCHER (ev_fork)
382	} ev_fork;	403	} ev_fork;
		404	#endif
		405
		406	#if EV_CLEANUP_ENABLE
		407	/* is invoked just before the loop gets destroyed */
		408	/* revent EV_CLEANUP */
		409	typedef struct ev_cleanup
		410	{
		411	EV_WATCHER (ev_cleanup)
		412	} ev_cleanup;
383	#endif	413	#endif
384		414
385	#if EV_EMBED_ENABLE	415	#if EV_EMBED_ENABLE
386	/* used to embed an event loop inside another */	416	/* used to embed an event loop inside another */
387	/* the callback gets invoked when the event loop has handled events, and can be 0 */	417	/* the callback gets invoked when the event loop has handled events, and can be 0 */
…		…
395	ev_check check; /* unused */	425	ev_check check; /* unused */
396	ev_timer timer; /* unused */	426	ev_timer timer; /* unused */
397	ev_periodic periodic; /* unused */	427	ev_periodic periodic; /* unused */
398	ev_idle idle; /* unused */	428	ev_idle idle; /* unused */
399	ev_fork fork; /* private */	429	ev_fork fork; /* private */
		430	#if EV_CLEANUP_ENABLE
		431	ev_cleanup cleanup; /* unused */
		432	#endif
400	} ev_embed;	433	} ev_embed;
401	#endif	434	#endif
402		435
403	#if EV_ASYNC_ENABLE	436	#if EV_ASYNC_ENABLE
404	/* invoked when somebody calls ev_async_send on the watcher */	437	/* invoked when somebody calls ev_async_send on the watcher */
…		…
433	struct ev_prepare prepare;	466	struct ev_prepare prepare;
434	struct ev_check check;	467	struct ev_check check;
435	#if EV_FORK_ENABLE	468	#if EV_FORK_ENABLE
436	struct ev_fork fork;	469	struct ev_fork fork;
437	#endif	470	#endif
		471	#if EV_CLEANUP_ENABLE
		472	struct ev_cleanup cleanup;
		473	#endif
438	#if EV_EMBED_ENABLE	474	#if EV_EMBED_ENABLE
439	struct ev_embed embed;	475	struct ev_embed embed;
440	#endif	476	#endif
441	#if EV_ASYNC_ENABLE	477	#if EV_ASYNC_ENABLE
442	struct ev_async async;	478	struct ev_async async;
443	#endif	479	#endif
444	};	480	};
445		481
446	/* bits for ev_default_loop and ev_loop_new */	482	/* flag bits for ev_default_loop and ev_loop_new */
		483	enum {
447	/* the default */	484	/* the default */
448	#define EVFLAG_AUTO 0x00000000U /* not quite a mask */	485	EVFLAG_AUTO = 0x00000000U, /* not quite a mask */
449	/* flag bits */	486	/* flag bits */
450	#define EVFLAG_NOENV 0x01000000U /* do NOT consult environment */	487	EVFLAG_NOENV = 0x01000000U, /* do NOT consult environment */
451	#define EVFLAG_FORKCHECK 0x02000000U /* check for a fork in each iteration */	488	EVFLAG_FORKCHECK = 0x02000000U, /* check for a fork in each iteration */
452	/* debugging/feature disable */	489	/* debugging/feature disable */
453	#define EVFLAG_NOINOTIFY 0x00100000U /* do not attempt to use inotify */	490	EVFLAG_NOINOTIFY = 0x00100000U, /* do not attempt to use inotify */
		491	#if EV_COMPAT3
454	#define EVFLAG_NOSIGFD 0 /* compatibility to pre-3.9 */	492	EVFLAG_NOSIGFD = 0, /* compatibility to pre-3.9 */
		493	#endif
455	#define EVFLAG_SIGNALFD 0x00200000U /* attempt to use signalfd */	494	EVFLAG_SIGNALFD = 0x00200000U, /* attempt to use signalfd */
		495	EVFLAG_NOSIGMASK = 0x00400000U /* avoid modifying the signal mask */
		496	};
		497
456	/* method bits to be ored together */	498	/* method bits to be ored together */
		499	enum {
457	#define EVBACKEND_SELECT 0x00000001U /* about anywhere */	500	EVBACKEND_SELECT = 0x00000001U, /* about anywhere */
458	#define EVBACKEND_POLL 0x00000002U /* !win */	501	EVBACKEND_POLL = 0x00000002U, /* !win */
459	#define EVBACKEND_EPOLL 0x00000004U /* linux */	502	EVBACKEND_EPOLL = 0x00000004U, /* linux */
460	#define EVBACKEND_KQUEUE 0x00000008U /* bsd */	503	EVBACKEND_KQUEUE = 0x00000008U, /* bsd */
461	#define EVBACKEND_DEVPOLL 0x00000010U /* solaris 8 / / NYI */	504	EVBACKEND_DEVPOLL = 0x00000010U, /* solaris 8 / / NYI */
462	#define EVBACKEND_PORT 0x00000020U /* solaris 10 */	505	EVBACKEND_PORT = 0x00000020U, /* solaris 10 */
463	#define EVBACKEND_ALL 0x0000003FU	506	EVBACKEND_ALL = 0x0000003FU, /* all known backends */
		507	EVBACKEND_MASK = 0x0000FFFFU /* all future backends */
		508	};
464		509
465	#if EV_PROTOTYPES	510	#if EV_PROTOTYPES
466	int ev_version_major (void);	511	int ev_version_major (void);
467	int ev_version_minor (void);	512	int ev_version_minor (void);
468		513
…		…
486	* (such as failed select, poll, epoll_wait)	531	* (such as failed select, poll, epoll_wait)
487	*/	532	*/
488	void ev_set_syserr_cb (void (cb)(const char msg));	533	void ev_set_syserr_cb (void (cb)(const char msg));
489		534
490	#if EV_MULTIPLICITY	535	#if EV_MULTIPLICITY
		536
		537	/* the default loop is the only one that handles signals and child watchers */
		538	/* you can call this as often as you like */
		539	struct ev_loop *ev_default_loop (unsigned int flags EV_CPP (= 0));
		540
491	EV_INLINE struct ev_loop *	541	EV_INLINE struct ev_loop *
492	ev_default_loop_uc (void)	542	ev_default_loop_uc_ (void)
493	{	543	{
494	extern struct ev_loop *ev_default_loop_ptr;	544	extern struct ev_loop *ev_default_loop_ptr;
495		545
496	return ev_default_loop_ptr;	546	return ev_default_loop_ptr;
497	}	547	}
498		548
499	/* the default loop is the only one that handles signals and child watchers */	549	EV_INLINE int
500	/* you can call this as often as you like */	550	ev_is_default_loop (EV_P)
501	EV_INLINE struct ev_loop *
502	ev_default_loop (unsigned int flags)
503	{	551	{
504	struct ev_loop *loop = ev_default_loop_uc ();	552	return EV_A == EV_DEFAULT_UC;
505
506	if (!loop)
507	{
508	extern struct ev_loop *ev_default_loop_init (unsigned int flags);
509
510	loop = ev_default_loop_init (flags);
511	}
512
513	return loop;
514	}	553	}
515		554
516	/* create and destroy alternative loops that don't handle signals */	555	/* create and destroy alternative loops that don't handle signals */
517	struct ev_loop *ev_loop_new (unsigned int flags);	556	struct ev_loop *ev_loop_new (unsigned int flags EV_CPP (= 0));
518	void ev_loop_destroy (EV_P);
519	void ev_loop_fork (EV_P);
520		557
521	ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */	558	ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */
522		559
523	#else	560	#else
524		561
525	int ev_default_loop (unsigned int flags); /* returns true when successful */	562	int ev_default_loop (unsigned int flags EV_CPP (= 0)); /* returns true when successful */
526		563
527	EV_INLINE ev_tstamp	564	EV_INLINE ev_tstamp
528	ev_now (void)	565	ev_now (void)
529	{	566	{
530	extern ev_tstamp ev_rt_now;	567	extern ev_tstamp ev_rt_now;
531		568
532	return ev_rt_now;	569	return ev_rt_now;
533	}	570	}
		571
		572	/* looks weird, but ev_is_default_loop (EV_A) still works if this exists */
		573	EV_INLINE int
		574	ev_is_default_loop (void)
		575	{
		576	return 1;
		577	}
		578
534	#endif /* multiplicity */	579	#endif /* multiplicity */
535		580
536	EV_INLINE int	581	/* destroy event loops, also works for the default loop */
537	ev_is_default_loop (EV_P)	582	void ev_loop_destroy (EV_P);
538	{
539	#if EV_MULTIPLICITY
540	extern struct ev_loop *ev_default_loop_ptr;
541		583
542	return !!(EV_A == ev_default_loop_ptr);
543	#else
544	return 1;
545	#endif
546	}
547
548	void ev_default_destroy (void); /* destroy the default loop */
549	/* this needs to be called after fork, to duplicate the default loop */	584	/* this needs to be called after fork, to duplicate the loop */
550	/* if you create alternative loops you have to call ev_loop_fork on them */	585	/* when you want to re-use it in the child */
551	/* you can call it in either the parent or the child */	586	/* you can call it in either the parent or the child */
552	/* you can actually call it at any time, anywhere :) */	587	/* you can actually call it at any time, anywhere :) */
553	void ev_default_fork (void);	588	void ev_loop_fork (EV_P);
554		589
555	unsigned int ev_backend (EV_P); /* backend in use by loop */	590	unsigned int ev_backend (EV_P); /* backend in use by loop */
556		591
557	void ev_now_update (EV_P); /* update event loop time */	592	void ev_now_update (EV_P); /* update event loop time */
558		593
…		…
563	void ev_walk (EV_P_ int types, void (cb)(EV_P_ int type, void w));	598	void ev_walk (EV_P_ int types, void (cb)(EV_P_ int type, void w));
564	#endif	599	#endif
565		600
566	#endif /* prototypes */	601	#endif /* prototypes */
567		602
568	#define EVLOOP_NONBLOCK 1 /* do not block/wait */	603	/* ev_run flags values */
569	#define EVLOOP_ONESHOT 2 /* block once only */	604	enum {
570	#define EVUNLOOP_CANCEL 0 /* undo unloop */	605	EVRUN_NOWAIT = 1, /* do not block/wait */
571	#define EVUNLOOP_ONE 1 /* unloop once */	606	EVRUN_ONCE = 2 /* block once only */
		607	};
		608
		609	/* ev_break how values */
		610	enum {
		611	EVBREAK_CANCEL = 0, /* undo unloop */
		612	EVBREAK_ONE = 1, /* unloop once */
572	#define EVUNLOOP_ALL 2 /* unloop all loops */	613	EVBREAK_ALL = 2 /* unloop all loops */
		614	};
573		615
574	#if EV_PROTOTYPES	616	#if EV_PROTOTYPES
575	void ev_loop (EV_P_ int flags);	617	void ev_run (EV_P_ int flags EV_CPP (= 0));
576	void ev_unloop (EV_P_ int how); /* set to 1 to break out of event loop, set to 2 to break out of all event loops */	618	void ev_break (EV_P_ int how EV_CPP (= EVBREAK_ONE)); /* break out of the loop */
577		619
578	/*	620	/*
579	* ref/unref can be used to add or remove a refcount on the mainloop. every watcher	621	* ref/unref can be used to add or remove a refcount on the mainloop. every watcher
580	* keeps one reference. if you have a long-running watcher you never unregister that	622	* keeps one reference. if you have a long-running watcher you never unregister that
581	* should not keep ev_loop from running, unref() after starting, and ref() before stopping.	623	* should not keep ev_loop from running, unref() after starting, and ref() before stopping.
…		…
588	* if timeout is < 0, do wait indefinitely	630	* if timeout is < 0, do wait indefinitely
589	*/	631	*/
590	void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (cb)(int revents, void arg), void *arg);	632	void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (cb)(int revents, void arg), void *arg);
591		633
592	# if EV_FEATURE_API	634	# if EV_FEATURE_API
593	unsigned int ev_loop_count (EV_P); /* number of loop iterations */	635	unsigned int ev_iteration (EV_P); /* number of loop iterations */
594	unsigned int ev_loop_depth (EV_P); /* #ev_loop enters - #ev_loop leaves */	636	unsigned int ev_depth (EV_P); /* #ev_loop enters - #ev_loop leaves */
595	void ev_loop_verify (EV_P); /* abort if loop data corrupted */	637	void ev_verify (EV_P); /* abort if loop data corrupted */
596		638
597	void ev_set_io_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */	639	void ev_set_io_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */
598	void ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */	640	void ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */
599		641
600	/* advanced stuff for threading etc. support, see docs */	642	/* advanced stuff for threading etc. support, see docs */
…		…
633	#define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */	675	#define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */
634	#define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */	676	#define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */
635	#define ev_check_set(ev) /* nop, yes, this is a serious in-joke */	677	#define ev_check_set(ev) /* nop, yes, this is a serious in-joke */
636	#define ev_embed_set(ev,other_) do { (ev)->other = (other_); } while (0)	678	#define ev_embed_set(ev,other_) do { (ev)->other = (other_); } while (0)
637	#define ev_fork_set(ev) /* nop, yes, this is a serious in-joke */	679	#define ev_fork_set(ev) /* nop, yes, this is a serious in-joke */
638	#define ev_async_set(ev) do { (ev)->sent = 0; } while (0)	680	#define ev_cleanup_set(ev) /* nop, yes, this is a serious in-joke */
		681	#define ev_async_set(ev) /* nop, yes, this is a serious in-joke */
639		682
640	#define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)	683	#define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)
641	#define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0)	684	#define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0)
642	#define ev_periodic_init(ev,cb,ofs,ival,rcb) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(ofs),(ival),(rcb)); } while (0)	685	#define ev_periodic_init(ev,cb,ofs,ival,rcb) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(ofs),(ival),(rcb)); } while (0)
643	#define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0)	686	#define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0)
…		…
646	#define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0)	689	#define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0)
647	#define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0)	690	#define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0)
648	#define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0)	691	#define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0)
649	#define ev_embed_init(ev,cb,other) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(other)); } while (0)	692	#define ev_embed_init(ev,cb,other) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(other)); } while (0)
650	#define ev_fork_init(ev,cb) do { ev_init ((ev), (cb)); ev_fork_set ((ev)); } while (0)	693	#define ev_fork_init(ev,cb) do { ev_init ((ev), (cb)); ev_fork_set ((ev)); } while (0)
		694	#define ev_cleanup_init(ev,cb) do { ev_init ((ev), (cb)); ev_cleanup_set ((ev)); } while (0)
651	#define ev_async_init(ev,cb) do { ev_init ((ev), (cb)); ev_async_set ((ev)); } while (0)	695	#define ev_async_init(ev,cb) do { ev_init ((ev), (cb)); ev_async_set ((ev)); } while (0)
652		696
653	#define ev_is_pending(ev) (0 + ((ev_watcher )(void )(ev))->pending) /* ro, true when watcher is waiting for callback invocation */	697	#define ev_is_pending(ev) (0 + ((ev_watcher )(void )(ev))->pending) /* ro, true when watcher is waiting for callback invocation */
654	#define ev_is_active(ev) (0 + ((ev_watcher )(void )(ev))->active) /* ro, true when the watcher has been started */	698	#define ev_is_active(ev) (0 + ((ev_watcher )(void )(ev))->active) /* ro, true when the watcher has been started */
655		699
…		…
671		715
672	/* stopping (enabling, adding) a watcher does nothing if it is already running */	716	/* stopping (enabling, adding) a watcher does nothing if it is already running */
673	/* stopping (disabling, deleting) a watcher does nothing unless its already running */	717	/* stopping (disabling, deleting) a watcher does nothing unless its already running */
674	#if EV_PROTOTYPES	718	#if EV_PROTOTYPES
675		719
676	/* feeds an event into a watcher as if the event actually occured */	720	/* feeds an event into a watcher as if the event actually occurred */
677	/* accepts any ev_watcher type */	721	/* accepts any ev_watcher type */
678	void ev_feed_event (EV_P_ void *w, int revents);	722	void ev_feed_event (EV_P_ void *w, int revents);
679	void ev_feed_fd_event (EV_P_ int fd, int revents);	723	void ev_feed_fd_event (EV_P_ int fd, int revents);
680	#if EV_SIGNAL_ENABLE	724	#if EV_SIGNAL_ENABLE
		725	void ev_feed_signal (int signum);
681	void ev_feed_signal_event (EV_P_ int signum);	726	void ev_feed_signal_event (EV_P_ int signum);
682	#endif	727	#endif
683	void ev_invoke (EV_P_ void *w, int revents);	728	void ev_invoke (EV_P_ void *w, int revents);
684	int ev_clear_pending (EV_P_ void *w);	729	int ev_clear_pending (EV_P_ void *w);
685		730
…		…
735	# if EV_FORK_ENABLE	780	# if EV_FORK_ENABLE
736	void ev_fork_start (EV_P_ ev_fork *w);	781	void ev_fork_start (EV_P_ ev_fork *w);
737	void ev_fork_stop (EV_P_ ev_fork *w);	782	void ev_fork_stop (EV_P_ ev_fork *w);
738	# endif	783	# endif
739		784
		785	# if EV_CLEANUP_ENABLE
		786	void ev_cleanup_start (EV_P_ ev_cleanup *w);
		787	void ev_cleanup_stop (EV_P_ ev_cleanup *w);
		788	# endif
		789
740	# if EV_EMBED_ENABLE	790	# if EV_EMBED_ENABLE
741	/* only supported when loop to be embedded is in fact embeddable */	791	/* only supported when loop to be embedded is in fact embeddable */
742	void ev_embed_start (EV_P_ ev_embed *w);	792	void ev_embed_start (EV_P_ ev_embed *w);
743	void ev_embed_stop (EV_P_ ev_embed *w);	793	void ev_embed_stop (EV_P_ ev_embed *w);
744	void ev_embed_sweep (EV_P_ ev_embed *w);	794	void ev_embed_sweep (EV_P_ ev_embed *w);
…		…
748	void ev_async_start (EV_P_ ev_async *w);	798	void ev_async_start (EV_P_ ev_async *w);
749	void ev_async_stop (EV_P_ ev_async *w);	799	void ev_async_stop (EV_P_ ev_async *w);
750	void ev_async_send (EV_P_ ev_async *w);	800	void ev_async_send (EV_P_ ev_async *w);
751	# endif	801	# endif
752		802
		803	#if EV_COMPAT3
		804	#define EVLOOP_NONBLOCK EVRUN_NOWAIT
		805	#define EVLOOP_ONESHOT EVRUN_ONCE
		806	#define EVUNLOOP_CANCEL EVBREAK_CANCEL
		807	#define EVUNLOOP_ONE EVBREAK_ONE
		808	#define EVUNLOOP_ALL EVBREAK_ALL
		809	#if EV_PROTOTYPES
		810	EV_INLINE void ev_loop (EV_P_ int flags) { ev_run (EV_A_ flags); }
		811	EV_INLINE void ev_unloop (EV_P_ int how ) { ev_break (EV_A_ how ); }
		812	EV_INLINE void ev_default_destroy (void) { ev_loop_destroy (EV_DEFAULT); }
		813	EV_INLINE void ev_default_fork (void) { ev_loop_fork (EV_DEFAULT); }
		814	#if EV_FEATURE_API
		815	EV_INLINE unsigned int ev_loop_count (EV_P) { return ev_iteration (EV_A); }
		816	EV_INLINE unsigned int ev_loop_depth (EV_P) { return ev_depth (EV_A); }
		817	EV_INLINE void ev_loop_verify (EV_P) { ev_verify (EV_A); }
		818	#endif
753	#endif	819	#endif
754		820	#else
755	#ifdef __cplusplus	821	typedef struct ev_loop ev_loop;
756	}
757	#endif	822	#endif
758		823
759	#endif	824	#endif
760		825
		826	EV_CPP(})
		827
		828	#endif
		829

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Comparing libev/ev.h (file contents): Revision 1.134 by root, Tue Mar 16 00:20:17 2010 UTC vs. Revision 1.161 by root, Sat Oct 15 09:05:03 2011 UTC

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Comparing libev/ev.h (file contents):
Revision 1.134 by root, Tue Mar 16 00:20:17 2010 UTC vs.
Revision 1.161 by root, Sat Oct 15 09:05:03 2011 UTC