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

Comparing libev/ev.h (file contents):
Revision 1.91 by root, Fri Jan 25 15:45:09 2008 UTC vs.
Revision 1.142 by root, Thu Oct 21 14:50:58 2010 UTC

…		…
1	/*	1	/*
2	* libev native API header	2	* libev native API header
3	*	3	*
4	* Copyright (c) 2007 Marc Alexander Lehmann <libev@schmorp.de>	4	* Copyright (c) 2007,2008,2009,2010 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	*
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	#ifndef EV_H__	40	#ifndef EV_H_
41	#define EV_H__	41	#define EV_H_
42		42
43	#ifdef __cplusplus	43	#ifdef __cplusplus
44	extern "C" {	44	extern "C" {
45	#endif	45	#endif
46		46
		47	/*****************************************************************************/
		48
		49	/* pre-4.0 compatibility */
		50	#ifndef EV_COMPAT3
		51	# define EV_COMPAT3 1
		52	#endif
		53
		54	#ifndef EV_FEATURES
		55	# define EV_FEATURES 0x7f
		56	#endif
		57
		58	#define EV_FEATURE_CODE ((EV_FEATURES) & 1)
		59	#define EV_FEATURE_DATA ((EV_FEATURES) & 2)
		60	#define EV_FEATURE_CONFIG ((EV_FEATURES) & 4)
		61	#define EV_FEATURE_API ((EV_FEATURES) & 8)
		62	#define EV_FEATURE_WATCHERS ((EV_FEATURES) & 16)
		63	#define EV_FEATURE_BACKENDS ((EV_FEATURES) & 32)
		64	#define EV_FEATURE_OS ((EV_FEATURES) & 64)
		65
		66	/* these priorities are inclusive, higher priorities will be invoked earlier */
		67	#ifndef EV_MINPRI
		68	# define EV_MINPRI (EV_FEATURE_CONFIG ? -2 : 0)
		69	#endif
		70	#ifndef EV_MAXPRI
		71	# define EV_MAXPRI (EV_FEATURE_CONFIG ? +2 : 0)
		72	#endif
		73
		74	#ifndef EV_MULTIPLICITY
		75	# define EV_MULTIPLICITY EV_FEATURE_CONFIG
		76	#endif
		77
		78	#ifndef EV_PERIODIC_ENABLE
		79	# define EV_PERIODIC_ENABLE EV_FEATURE_WATCHERS
		80	#endif
		81
		82	#ifndef EV_STAT_ENABLE
		83	# define EV_STAT_ENABLE EV_FEATURE_WATCHERS
		84	#endif
		85
		86	#ifndef EV_PREPARE_ENABLE
		87	# define EV_PREPARE_ENABLE EV_FEATURE_WATCHERS
		88	#endif
		89
		90	#ifndef EV_CHECK_ENABLE
		91	# define EV_CHECK_ENABLE EV_FEATURE_WATCHERS
		92	#endif
		93
		94	#ifndef EV_IDLE_ENABLE
		95	# define EV_IDLE_ENABLE EV_FEATURE_WATCHERS
		96	#endif
		97
		98	#ifndef EV_FORK_ENABLE
		99	# define EV_FORK_ENABLE EV_FEATURE_WATCHERS
		100	#endif
		101
		102	#ifndef EV_SIGNAL_ENABLE
		103	# define EV_SIGNAL_ENABLE EV_FEATURE_WATCHERS
		104	#endif
		105
		106	#ifndef EV_CHILD_ENABLE
		107	# ifdef _WIN32
		108	# define EV_CHILD_ENABLE 0
		109	# else
		110	# define EV_CHILD_ENABLE EV_FEATURE_WATCHERS
		111	#endif
		112	#endif
		113
		114	#ifndef EV_ASYNC_ENABLE
		115	# define EV_ASYNC_ENABLE EV_FEATURE_WATCHERS
		116	#endif
		117
		118	#ifndef EV_EMBED_ENABLE
		119	# define EV_EMBED_ENABLE EV_FEATURE_WATCHERS
		120	#endif
		121
		122	#ifndef EV_WALK_ENABLE
		123	# define EV_WALK_ENABLE 0 /* not yet */
		124	#endif
		125
		126	/*****************************************************************************/
		127
		128	#if EV_CHILD_ENABLE && !EV_SIGNAL_ENABLE
		129	# undef EV_SIGNAL_ENABLE
		130	# define EV_SIGNAL_ENABLE 1
		131	#endif
		132
		133	/*****************************************************************************/
		134
47	typedef double ev_tstamp;	135	typedef double ev_tstamp;
48		136
49	/* these priorities are inclusive, higher priorities will be called earlier */	137	#ifndef EV_ATOMIC_T
50	#ifndef EV_MINPRI	138	# include <signal.h>
51	# define EV_MINPRI -2	139	# define EV_ATOMIC_T sig_atomic_t volatile
52	#endif	140	#endif
53	#ifndef EV_MAXPRI
54	# define EV_MAXPRI +2
55	#endif
56
57	#ifndef EV_MULTIPLICITY
58	# define EV_MULTIPLICITY 1
59	#endif
60
61	#ifndef EV_PERIODIC_ENABLE
62	# define EV_PERIODIC_ENABLE 1
63	#endif
64
65	#ifndef EV_STAT_ENABLE
66	# define EV_STAT_ENABLE 1
67	#endif
68
69	#ifndef EV_IDLE_ENABLE
70	# define EV_IDLE_ENABLE 1
71	#endif
72
73	#ifndef EV_FORK_ENABLE
74	# define EV_FORK_ENABLE 1
75	#endif
76
77	#ifndef EV_EMBED_ENABLE
78	# define EV_EMBED_ENABLE 1
79	#endif
80
81	/*****************************************************************************/
82		141
83	#if EV_STAT_ENABLE	142	#if EV_STAT_ENABLE
		143	# ifdef _WIN32
		144	# include <time.h>
		145	# include <sys/types.h>
		146	# endif
84	# include <sys/stat.h>	147	# include <sys/stat.h>
85	#endif	148	#endif
86		149
87	/* support multiple event loops? */	150	/* support multiple event loops? */
88	#if EV_MULTIPLICITY	151	#if EV_MULTIPLICITY
89	struct ev_loop;	152	struct ev_loop;
90	# define EV_P struct ev_loop *loop	153	# define EV_P struct ev_loop *loop
91	# define EV_P_ EV_P,	154	# define EV_P_ EV_P,
92	# define EV_A loop	155	# define EV_A loop
93	# define EV_A_ EV_A,	156	# define EV_A_ EV_A,
		157	# define EV_DEFAULT_UC ev_default_loop_uc ()
		158	# define EV_DEFAULT_UC_ EV_DEFAULT_UC,
94	# define EV_DEFAULT ev_default_loop (0)	159	# define EV_DEFAULT ev_default_loop (0)
95	# define EV_DEFAULT_ EV_DEFAULT,	160	# define EV_DEFAULT_ EV_DEFAULT,
96	#else	161	#else
97	# define EV_P void	162	# define EV_P void
98	# define EV_P_	163	# define EV_P_
99	# define EV_A	164	# define EV_A
100	# define EV_A_	165	# define EV_A_
101	# define EV_DEFAULT	166	# define EV_DEFAULT
102	# define EV_DEFAULT_	167	# define EV_DEFAULT_
103		168	# define EV_DEFAULT_UC
		169	# define EV_DEFAULT_UC_
104	# undef EV_EMBED_ENABLE	170	# undef EV_EMBED_ENABLE
105	#endif	171	#endif
106		172
		173	#if __STDC_VERSION__ >= 199901L \|\| __GNUC__ >= 3
		174	# define EV_INLINE static inline
		175	#else
		176	# define EV_INLINE static
		177	#endif
		178
		179	#ifndef EV_PROTOTYPES
		180	# define EV_PROTOTYPES 1
		181	#endif
		182
		183	/*****************************************************************************/
		184
		185	#define EV_VERSION_MAJOR 4
		186	#define EV_VERSION_MINOR 0
		187
107	/* eventmask, revents, events... */	188	/* eventmask, revents, events... */
		189	enum {
108	#define EV_UNDEF -1L /* guaranteed to be invalid */	190	EV_UNDEF = -1, /* guaranteed to be invalid */
109	#define EV_NONE 0x00L /* no events */	191	EV_NONE = 0x00, /* no events */
110	#define EV_READ 0x01L /* ev_io detected read will not block */	192	EV_READ = 0x01, /* ev_io detected read will not block */
111	#define EV_WRITE 0x02L /* ev_io detected write will not block */	193	EV_WRITE = 0x02, /* ev_io detected write will not block */
112	#define EV_IOFDSET 0x80L /* internal use only */	194	EV__IOFDSET = 0x80, /* internal use only */
		195	EV_IO = EV_READ, /* alias for type-detection */
113	#define EV_TIMEOUT 0x00000100L /* timer timed out */	196	EV_TIMER = 0x00000100, /* timer timed out */
		197	EV_TIMEOUT = EV_TIMER, /* pre 4.0 API compatibility */
114	#define EV_PERIODIC 0x00000200L /* periodic timer timed out */	198	EV_PERIODIC = 0x00000200, /* periodic timer timed out */
115	#define EV_SIGNAL 0x00000400L /* signal was received */	199	EV_SIGNAL = 0x00000400, /* signal was received */
116	#define EV_CHILD 0x00000800L /* child/pid had status change */	200	EV_CHILD = 0x00000800, /* child/pid had status change */
117	#define EV_STAT 0x00001000L /* stat data changed */	201	EV_STAT = 0x00001000, /* stat data changed */
118	#define EV_IDLE 0x00002000L /* event loop is idling */	202	EV_IDLE = 0x00002000, /* event loop is idling */
119	#define EV_PREPARE 0x00004000L /* event loop about to poll */	203	EV_PREPARE = 0x00004000, /* event loop about to poll */
120	#define EV_CHECK 0x00008000L /* event loop finished poll */	204	EV_CHECK = 0x00008000, /* event loop finished poll */
121	#define EV_EMBED 0x00010000L /* embedded event loop needs sweep */	205	EV_EMBED = 0x00010000, /* embedded event loop needs sweep */
122	#define EV_FORK 0x00020000L /* event loop resumed in child */	206	EV_FORK = 0x00020000, /* event loop resumed in child */
		207	EV_ASYNC = 0x00040000, /* async intra-loop signal */
		208	EV_CUSTOM = 0x01000000, /* for use by user code */
123	#define EV_ERROR 0x80000000L /* sent when an error occurs */	209	EV_ERROR = 0x80000000 /* sent when an error occurs */
		210	};
124		211
125	/* can be used to add custom fields to all watchers, while losing binary compatibility */	212	/* can be used to add custom fields to all watchers, while losing binary compatibility */
126	#ifndef EV_COMMON	213	#ifndef EV_COMMON
127	# define EV_COMMON void *data;	214	# define EV_COMMON void *data;
128	#endif	215	#endif
129	#ifndef EV_PROTOTYPES
130	# define EV_PROTOTYPES 1
131	#endif
132
133	#define EV_VERSION_MAJOR 3
134	#define EV_VERSION_MINOR 0
135		216
136	#ifndef EV_CB_DECLARE	217	#ifndef EV_CB_DECLARE
137	# define EV_CB_DECLARE(type) void (cb)(EV_P_ struct type w, int revents);	218	# define EV_CB_DECLARE(type) void (cb)(EV_P_ struct type w, int revents);
138	#endif	219	#endif
139	#ifndef EV_CB_INVOKE	220	#ifndef EV_CB_INVOKE
140	# define EV_CB_INVOKE(watcher,revents) (watcher)->cb (EV_A_ (watcher), (revents))	221	# define EV_CB_INVOKE(watcher,revents) (watcher)->cb (EV_A_ (watcher), (revents))
141	#endif	222	#endif
142		223
		224	/* not official, do not use */
		225	#define EV_CB(type,name) void name (EV_P_ struct ev_ ## type *w, int revents)
		226
143	/*	227	/*
144	* struct member types:	228	* struct member types:
145	* private: you can look at them, but not change them, and they might not mean anything to you.	229	* private: you may look at them, but not change them,
		230	* and they might not mean anything to you.
146	* ro: can be read anytime, but only changed when the watcher isn't active	231	* ro: can be read anytime, but only changed when the watcher isn't active.
147	* rw: can be read and modified anytime, even when the watcher is active	232	* rw: can be read and modified anytime, even when the watcher is active.
		233	*
		234	* some internal details that might be helpful for debugging:
		235	*
		236	* active is either 0, which means the watcher is not active,
		237	* or the array index of the watcher (periodics, timers)
		238	* or the array index + 1 (most other watchers)
		239	* or simply 1 for watchers that aren't in some array.
		240	* pending is either 0, in which case the watcher isn't,
		241	* or the array index + 1 in the pendings array.
148	*/	242	*/
		243
		244	#if EV_MINPRI == EV_MAXPRI
		245	# define EV_DECL_PRIORITY
		246	#elif !defined (EV_DECL_PRIORITY)
		247	# define EV_DECL_PRIORITY int priority;
		248	#endif
149		249
150	/* shared by all watchers */	250	/* shared by all watchers */
151	#define EV_WATCHER(type) \	251	#define EV_WATCHER(type) \
152	int active; /* private */ \	252	int active; /* private */ \
153	int pending; /* private */ \	253	int pending; /* private */ \
154	int priority; /* private */ \	254	EV_DECL_PRIORITY /* private */ \
155	EV_COMMON /* rw */ \	255	EV_COMMON /* rw */ \
156	EV_CB_DECLARE (type) /* private */	256	EV_CB_DECLARE (type) /* private */
157		257
158	#define EV_WATCHER_LIST(type) \	258	#define EV_WATCHER_LIST(type) \
159	EV_WATCHER (type) \	259	EV_WATCHER (type) \
…		…
301	ev_prepare prepare; /* private */	401	ev_prepare prepare; /* private */
302	ev_check check; /* unused */	402	ev_check check; /* unused */
303	ev_timer timer; /* unused */	403	ev_timer timer; /* unused */
304	ev_periodic periodic; /* unused */	404	ev_periodic periodic; /* unused */
305	ev_idle idle; /* unused */	405	ev_idle idle; /* unused */
306	ev_fork fork; /* unused */	406	ev_fork fork; /* private */
307	} ev_embed;	407	} ev_embed;
		408	#endif
		409
		410	#if EV_ASYNC_ENABLE
		411	/* invoked when somebody calls ev_async_send on the watcher */
		412	/* revent EV_ASYNC */
		413	typedef struct ev_async
		414	{
		415	EV_WATCHER (ev_async)
		416
		417	EV_ATOMIC_T sent; /* private */
		418	} ev_async;
		419
		420	# define ev_async_pending(w) (+(w)->sent)
308	#endif	421	#endif
309		422
310	/* the presence of this union forces similar struct layout */	423	/* the presence of this union forces similar struct layout */
311	union ev_any_watcher	424	union ev_any_watcher
312	{	425	{
…		…
330	struct ev_fork fork;	443	struct ev_fork fork;
331	#endif	444	#endif
332	#if EV_EMBED_ENABLE	445	#if EV_EMBED_ENABLE
333	struct ev_embed embed;	446	struct ev_embed embed;
334	#endif	447	#endif
		448	#if EV_ASYNC_ENABLE
		449	struct ev_async async;
		450	#endif
335	};	451	};
336		452
337	/* bits for ev_default_loop and ev_loop_new */	453	/* flag bits for ev_default_loop and ev_loop_new */
		454	enum {
338	/* the default */	455	/* the default */
339	#define EVFLAG_AUTO 0x00000000UL /* not quite a mask */	456	EVFLAG_AUTO = 0x00000000U, /* not quite a mask */
340	/* flag bits */	457	/* flag bits */
341	#define EVFLAG_NOENV 0x01000000UL /* do NOT consult environment */	458	EVFLAG_NOENV = 0x01000000U, /* do NOT consult environment */
342	#define EVFLAG_FORKCHECK 0x02000000UL /* check for a fork in each iteration */	459	EVFLAG_FORKCHECK = 0x02000000U, /* check for a fork in each iteration */
		460	/* debugging/feature disable */
		461	EVFLAG_NOINOTIFY = 0x00100000U, /* do not attempt to use inotify */
		462	#if EV_COMPAT3
		463	EVFLAG_NOSIGFD = 0, /* compatibility to pre-3.9 */
		464	#endif
		465	EVFLAG_SIGNALFD = 0x00200000U /* attempt to use signalfd */
		466	};
		467
343	/* method bits to be ored together */	468	/* method bits to be ored together */
		469	enum {
344	#define EVBACKEND_SELECT 0x00000001UL /* about anywhere */	470	EVBACKEND_SELECT = 0x00000001U, /* about anywhere */
345	#define EVBACKEND_POLL 0x00000002UL /* !win */	471	EVBACKEND_POLL = 0x00000002U, /* !win */
346	#define EVBACKEND_EPOLL 0x00000004UL /* linux */	472	EVBACKEND_EPOLL = 0x00000004U, /* linux */
347	#define EVBACKEND_KQUEUE 0x00000008UL /* bsd */	473	EVBACKEND_KQUEUE = 0x00000008U, /* bsd */
348	#define EVBACKEND_DEVPOLL 0x00000010UL /* solaris 8 / / NYI */	474	EVBACKEND_DEVPOLL = 0x00000010U, /* solaris 8 / / NYI */
349	#define EVBACKEND_PORT 0x00000020UL /* solaris 10 */	475	EVBACKEND_PORT = 0x00000020U, /* solaris 10 */
		476	EVBACKEND_ALL = 0x0000003FU
		477	};
350		478
351	#if EV_PROTOTYPES	479	#if EV_PROTOTYPES
352	int ev_version_major (void);	480	int ev_version_major (void);
353	int ev_version_minor (void);	481	int ev_version_minor (void);
354		482
…		…
371	* retryable syscall error	499	* retryable syscall error
372	* (such as failed select, poll, epoll_wait)	500	* (such as failed select, poll, epoll_wait)
373	*/	501	*/
374	void ev_set_syserr_cb (void (cb)(const char msg));	502	void ev_set_syserr_cb (void (cb)(const char msg));
375		503
376	# if EV_MULTIPLICITY	504	#if EV_MULTIPLICITY
		505	EV_INLINE struct ev_loop *
		506	ev_default_loop_uc (void)
		507	{
		508	extern struct ev_loop *ev_default_loop_ptr;
		509
		510	return ev_default_loop_ptr;
		511	}
		512
377	/* the default loop is the only one that handles signals and child watchers */	513	/* the default loop is the only one that handles signals and child watchers */
378	/* you can call this as often as you like */	514	/* you can call this as often as you like */
379	static struct ev_loop *	515	EV_INLINE struct ev_loop *
380	ev_default_loop (unsigned int flags)	516	ev_default_loop (unsigned int flags)
381	{	517	{
382	extern struct ev_loop *ev_default_loop_ptr;	518	struct ev_loop *loop = ev_default_loop_uc ();
		519
		520	if (!loop)
		521	{
383	extern struct ev_loop *ev_default_loop_init (unsigned int flags);	522	extern struct ev_loop *ev_default_loop_init (unsigned int flags);
384		523
385	if (!ev_default_loop_ptr)
386	ev_default_loop_init (flags);	524	loop = ev_default_loop_init (flags);
		525	}
387		526
388	return ev_default_loop_ptr;	527	return loop;
389	}	528	}
390		529
391	/* create and destroy alternative loops that don't handle signals */	530	/* create and destroy alternative loops that don't handle signals */
392	struct ev_loop *ev_loop_new (unsigned int flags);	531	struct ev_loop *ev_loop_new (unsigned int flags);
393	void ev_loop_destroy (EV_P);	532	void ev_loop_destroy (EV_P);
394	void ev_loop_fork (EV_P);	533	void ev_loop_fork (EV_P);
395		534
396	ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */	535	ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */
397		536
398	# else	537	#else
399		538
400	int ev_default_loop (unsigned int flags); /* returns true when successful */	539	int ev_default_loop (unsigned int flags); /* returns true when successful */
401		540
402	static ev_tstamp	541	EV_INLINE ev_tstamp
403	ev_now (void)	542	ev_now (void)
404	{	543	{
405	extern ev_tstamp ev_rt_now;	544	extern ev_tstamp ev_rt_now;
406		545
407	return ev_rt_now;	546	return ev_rt_now;
408	}	547	}
		548	#endif /* multiplicity */
		549
		550	EV_INLINE int
		551	ev_is_default_loop (EV_P)
		552	{
		553	#if EV_MULTIPLICITY
		554	extern struct ev_loop *ev_default_loop_ptr;
		555
		556	return !!(EV_A == ev_default_loop_ptr);
		557	#else
		558	return 1;
409	# endif	559	#endif
		560	}
410		561
411	void ev_default_destroy (void); /* destroy the default loop */	562	void ev_default_destroy (void); /* destroy the default loop */
412	/* this needs to be called after fork, to duplicate the default loop */	563	/* this needs to be called after fork, to duplicate the default loop */
413	/* if you create alternative loops you have to call ev_loop_fork on them */	564	/* if you create alternative loops you have to call ev_loop_fork on them */
414	/* you can call it in either the parent or the child */	565	/* you can call it in either the parent or the child */
415	/* you can actually call it at any time, anywhere :) */	566	/* you can actually call it at any time, anywhere :) */
416	void ev_default_fork (void);	567	void ev_default_fork (void);
417		568
418	unsigned int ev_backend (EV_P); /* backend in use by loop */	569	unsigned int ev_backend (EV_P); /* backend in use by loop */
419	unsigned int ev_loop_count (EV_P); /* number of loop iterations */
420	#endif
421		570
422	#define EVLOOP_NONBLOCK 1 /* do not block/wait */	571	void ev_now_update (EV_P); /* update event loop time */
423	#define EVLOOP_ONESHOT 2 /* block once only */	572
424	#define EVUNLOOP_CANCEL 0 /* undo unloop */	573	#if EV_WALK_ENABLE
425	#define EVUNLOOP_ONE 1 /* unloop once */	574	/* walk (almost) all watchers in the loop of a given type, invoking the */
		575	/* callback on every such watcher. The callback might stop the watcher, */
		576	/* but do nothing else with the loop */
		577	void ev_walk (EV_P_ int types, void (cb)(EV_P_ int type, void w));
		578	#endif
		579
		580	#endif /* prototypes */
		581
		582	/* ev_run flags values */
		583	enum {
		584	EVRUN_NOWAIT = 1, /* do not block/wait */
		585	EVRUN_ONCE = 2 /* block once only */
		586	};
		587
		588	/* ev_break how values */
		589	enum {
		590	EVBREAK_CANCEL = 0, /* undo unloop */
		591	EVBREAK_ONE = 1, /* unloop once */
426	#define EVUNLOOP_ALL 2 /* unloop all loops */	592	EVBREAK_ALL = 2 /* unloop all loops */
		593	};
427		594
428	#if EV_PROTOTYPES	595	#if EV_PROTOTYPES
429	void ev_loop (EV_P_ int flags);	596	void ev_run (EV_P_ int flags);
430	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 */	597	void ev_break (EV_P_ int how); /* set to 1 to break out of event loop, set to 2 to break out of all event loops */
431
432	void ev_set_io_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */
433	void ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */
434		598
435	/*	599	/*
436	* ref/unref can be used to add or remove a refcount on the mainloop. every watcher	600	* ref/unref can be used to add or remove a refcount on the mainloop. every watcher
437	* keeps one reference. if you have a long-runing watcher you never unregister that	601	* keeps one reference. if you have a long-running watcher you never unregister that
438	* should not keep ev_loop from running, unref() after starting, and ref() before stopping.	602	* should not keep ev_loop from running, unref() after starting, and ref() before stopping.
439	*/	603	*/
440	void ev_ref (EV_P);	604	void ev_ref (EV_P);
441	void ev_unref (EV_P);	605	void ev_unref (EV_P);
442		606
		607	/*
443	/* convinience function, wait for a single event, without registering an event watcher */	608	* convenience function, wait for a single event, without registering an event watcher
444	/* if timeout is < 0, do wait indefinitely */	609	* if timeout is < 0, do wait indefinitely
		610	*/
445	void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (cb)(int revents, void arg), void *arg);	611	void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (cb)(int revents, void arg), void *arg);
		612
		613	# if EV_FEATURE_API
		614	unsigned int ev_iteration (EV_P); /* number of loop iterations */
		615	unsigned int ev_depth (EV_P); /* #ev_loop enters - #ev_loop leaves */
		616	void ev_verify (EV_P); /* abort if loop data corrupted */
		617
		618	void ev_set_io_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */
		619	void ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */
		620
		621	/* advanced stuff for threading etc. support, see docs */
		622	void ev_set_userdata (EV_P_ void *data);
		623	void *ev_userdata (EV_P);
		624	void ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P));
		625	void ev_set_loop_release_cb (EV_P_ void (release)(EV_P), void (acquire)(EV_P));
		626
		627	unsigned int ev_pending_count (EV_P); /* number of pending events, if any */
		628	void ev_invoke_pending (EV_P); /* invoke all pending watchers */
		629
		630	/*
		631	* stop/start the timer handling.
		632	*/
		633	void ev_suspend (EV_P);
		634	void ev_resume (EV_P);
		635	#endif
		636
446	#endif	637	#endif
447		638
448	/* these may evaluate ev multiple times, and the other arguments at most once */	639	/* these may evaluate ev multiple times, and the other arguments at most once */
449	/* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */	640	/* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */
450	#define ev_init(ev,cb_) do { \	641	#define ev_init(ev,cb_) do { \
451	((ev_watcher )(void )(ev))->active = \	642	((ev_watcher )(void )(ev))->active = \
452	((ev_watcher )(void )(ev))->pending = \	643	((ev_watcher )(void )(ev))->pending = 0; \
453	((ev_watcher )(void )(ev))->priority = 0; \	644	ev_set_priority ((ev), 0); \
454	ev_set_cb ((ev), cb_); \	645	ev_set_cb ((ev), cb_); \
455	} while (0)	646	} while (0)
456		647
457	#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_) \| EV_IOFDSET; } while (0)	648	#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_) \| EV__IOFDSET; } while (0)
458	#define ev_timer_set(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); } while (0)	649	#define ev_timer_set(ev,after_,repeat_) do { ((ev_watcher_time *)(ev))->at = (after_); (ev)->repeat = (repeat_); } while (0)
459	#define ev_periodic_set(ev,ofs_,ival_,res_) do { (ev)->offset = (ofs_); (ev)->interval = (ival_); (ev)->reschedule_cb= (res_); } while (0)	650	#define ev_periodic_set(ev,ofs_,ival_,rcb_) do { (ev)->offset = (ofs_); (ev)->interval = (ival_); (ev)->reschedule_cb = (rcb_); } while (0)
460	#define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0)	651	#define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0)
461	#define ev_child_set(ev,pid_,trace_) do { (ev)->pid = (pid_); (ev)->flags = !!(trace_); } while (0)	652	#define ev_child_set(ev,pid_,trace_) do { (ev)->pid = (pid_); (ev)->flags = !!(trace_); } while (0)
462	#define ev_stat_set(ev,path_,interval_) do { (ev)->path = (path_); (ev)->interval = (interval_); (ev)->wd = -2; } while (0)	653	#define ev_stat_set(ev,path_,interval_) do { (ev)->path = (path_); (ev)->interval = (interval_); (ev)->wd = -2; } while (0)
463	#define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */	654	#define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */
464	#define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */	655	#define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */
465	#define ev_check_set(ev) /* nop, yes, this is a serious in-joke */	656	#define ev_check_set(ev) /* nop, yes, this is a serious in-joke */
466	#define ev_embed_set(ev,other_) do { (ev)->other = (other_); } while (0)	657	#define ev_embed_set(ev,other_) do { (ev)->other = (other_); } while (0)
467	#define ev_fork_set(ev) /* nop, yes, this is a serious in-joke */	658	#define ev_fork_set(ev) /* nop, yes, this is a serious in-joke */
		659	#define ev_async_set(ev) /* nop, yes, this is a serious in-joke */
468		660
469	#define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)	661	#define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)
470	#define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0)	662	#define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0)
471	#define ev_periodic_init(ev,cb,at,ival,res) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(at),(ival),(res)); } while (0)	663	#define ev_periodic_init(ev,cb,ofs,ival,rcb) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(ofs),(ival),(rcb)); } while (0)
472	#define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0)	664	#define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0)
473	#define ev_child_init(ev,cb,pid,trace) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid),(trace)); } while (0)	665	#define ev_child_init(ev,cb,pid,trace) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid),(trace)); } while (0)
474	#define ev_stat_init(ev,cb,path,interval) do { ev_init ((ev), (cb)); ev_stat_set ((ev),(path),(interval)); } while (0)	666	#define ev_stat_init(ev,cb,path,interval) do { ev_init ((ev), (cb)); ev_stat_set ((ev),(path),(interval)); } while (0)
475	#define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0)	667	#define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0)
476	#define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0)	668	#define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0)
477	#define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0)	669	#define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0)
478	#define ev_embed_init(ev,cb,other) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(other)); } while (0)	670	#define ev_embed_init(ev,cb,other) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(other)); } while (0)
479	#define ev_fork_init(ev,cb) do { ev_init ((ev), (cb)); ev_fork_set ((ev)); } while (0)	671	#define ev_fork_init(ev,cb) do { ev_init ((ev), (cb)); ev_fork_set ((ev)); } while (0)
		672	#define ev_async_init(ev,cb) do { ev_init ((ev), (cb)); ev_async_set ((ev)); } while (0)
480		673
481	#define ev_is_pending(ev) (0 + ((ev_watcher )(void )(ev))->pending) /* ro, true when watcher is waiting for callback invocation */	674	#define ev_is_pending(ev) (0 + ((ev_watcher )(void )(ev))->pending) /* ro, true when watcher is waiting for callback invocation */
482	#define ev_is_active(ev) (0 + ((ev_watcher )(void )(ev))->active) /* ro, true when the watcher has been started */	675	#define ev_is_active(ev) (0 + ((ev_watcher )(void )(ev))->active) /* ro, true when the watcher has been started */
483		676
484	#define ev_priority(ev) ((((ev_watcher )(void )(ev))->priority) + 0)
485	#define ev_cb(ev) (ev)->cb /* rw */	677	#define ev_cb(ev) (ev)->cb /* rw */
		678
		679	#if EV_MINPRI == EV_MAXPRI
		680	# define ev_priority(ev) ((ev), EV_MINPRI)
		681	# define ev_set_priority(ev,pri) ((ev), (pri))
		682	#else
		683	# define ev_priority(ev) (+(((ev_watcher )(void )(ev))->priority))
486	#define ev_set_priority(ev,pri) ((ev_watcher )(void )(ev))->priority = (pri)	684	# define ev_set_priority(ev,pri) ( (ev_watcher )(void )(ev))->priority = (pri)
		685	#endif
		686
		687	#define ev_periodic_at(ev) (+((ev_watcher_time *)(ev))->at)
487		688
488	#ifndef ev_set_cb	689	#ifndef ev_set_cb
489	# define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_)	690	# define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_)
490	#endif	691	#endif
491		692
492	/* stopping (enabling, adding) a watcher does nothing if it is already running */	693	/* stopping (enabling, adding) a watcher does nothing if it is already running */
493	/* stopping (disabling, deleting) a watcher does nothing unless its already running */	694	/* stopping (disabling, deleting) a watcher does nothing unless its already running */
494	#if EV_PROTOTYPES	695	#if EV_PROTOTYPES
495		696
496	/* feeds an event into a watcher as if the event actually occured */	697	/* feeds an event into a watcher as if the event actually occured */
497	/* accepts any ev_watcher type */	698	/* accepts any ev_watcher type */
498	void ev_feed_event (EV_P_ void *w, int revents);	699	void ev_feed_event (EV_P_ void *w, int revents);
499	void ev_feed_fd_event (EV_P_ int fd, int revents);	700	void ev_feed_fd_event (EV_P_ int fd, int revents);
		701	#if EV_SIGNAL_ENABLE
500	void ev_feed_signal_event (EV_P_ int signum);	702	void ev_feed_signal_event (EV_P_ int signum);
		703	#endif
501	void ev_invoke (EV_P_ void *w, int revents);	704	void ev_invoke (EV_P_ void *w, int revents);
502	int ev_clear_pending (EV_P_ void *w);	705	int ev_clear_pending (EV_P_ void *w);
503		706
504	void ev_io_start (EV_P_ ev_io *w);	707	void ev_io_start (EV_P_ ev_io *w);
505	void ev_io_stop (EV_P_ ev_io *w);	708	void ev_io_stop (EV_P_ ev_io *w);
506		709
507	void ev_timer_start (EV_P_ ev_timer *w);	710	void ev_timer_start (EV_P_ ev_timer *w);
508	void ev_timer_stop (EV_P_ ev_timer *w);	711	void ev_timer_stop (EV_P_ ev_timer *w);
509	/* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */	712	/* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */
510	void ev_timer_again (EV_P_ ev_timer *w);	713	void ev_timer_again (EV_P_ ev_timer *w);
		714	/* return remaining time */
		715	ev_tstamp ev_timer_remaining (EV_P_ ev_timer *w);
511		716
512	#if EV_PERIODIC_ENABLE	717	#if EV_PERIODIC_ENABLE
513	void ev_periodic_start (EV_P_ ev_periodic *w);	718	void ev_periodic_start (EV_P_ ev_periodic *w);
514	void ev_periodic_stop (EV_P_ ev_periodic *w);	719	void ev_periodic_stop (EV_P_ ev_periodic *w);
515	void ev_periodic_again (EV_P_ ev_periodic *w);	720	void ev_periodic_again (EV_P_ ev_periodic *w);
516	#endif	721	#endif
517		722
518	/* only supported in the default loop */	723	/* only supported in the default loop */
		724	#if EV_SIGNAL_ENABLE
519	void ev_signal_start (EV_P_ ev_signal *w);	725	void ev_signal_start (EV_P_ ev_signal *w);
520	void ev_signal_stop (EV_P_ ev_signal *w);	726	void ev_signal_stop (EV_P_ ev_signal *w);
		727	#endif
521		728
522	/* only supported in the default loop */	729	/* only supported in the default loop */
		730	# if EV_CHILD_ENABLE
523	void ev_child_start (EV_P_ ev_child *w);	731	void ev_child_start (EV_P_ ev_child *w);
524	void ev_child_stop (EV_P_ ev_child *w);	732	void ev_child_stop (EV_P_ ev_child *w);
		733	# endif
525		734
526	# if EV_STAT_ENABLE	735	# if EV_STAT_ENABLE
527	void ev_stat_start (EV_P_ ev_stat *w);	736	void ev_stat_start (EV_P_ ev_stat *w);
528	void ev_stat_stop (EV_P_ ev_stat *w);	737	void ev_stat_stop (EV_P_ ev_stat *w);
529	void ev_stat_stat (EV_P_ ev_stat *w);	738	void ev_stat_stat (EV_P_ ev_stat *w);
…		…
532	# if EV_IDLE_ENABLE	741	# if EV_IDLE_ENABLE
533	void ev_idle_start (EV_P_ ev_idle *w);	742	void ev_idle_start (EV_P_ ev_idle *w);
534	void ev_idle_stop (EV_P_ ev_idle *w);	743	void ev_idle_stop (EV_P_ ev_idle *w);
535	# endif	744	# endif
536		745
		746	#if EV_PREPARE_ENABLE
537	void ev_prepare_start (EV_P_ ev_prepare *w);	747	void ev_prepare_start (EV_P_ ev_prepare *w);
538	void ev_prepare_stop (EV_P_ ev_prepare *w);	748	void ev_prepare_stop (EV_P_ ev_prepare *w);
		749	#endif
539		750
		751	#if EV_CHECK_ENABLE
540	void ev_check_start (EV_P_ ev_check *w);	752	void ev_check_start (EV_P_ ev_check *w);
541	void ev_check_stop (EV_P_ ev_check *w);	753	void ev_check_stop (EV_P_ ev_check *w);
		754	#endif
542		755
543	# if EV_FORK_ENABLE	756	# if EV_FORK_ENABLE
544	void ev_fork_start (EV_P_ ev_fork *w);	757	void ev_fork_start (EV_P_ ev_fork *w);
545	void ev_fork_stop (EV_P_ ev_fork *w);	758	void ev_fork_stop (EV_P_ ev_fork *w);
546	# endif	759	# endif
…		…
550	void ev_embed_start (EV_P_ ev_embed *w);	763	void ev_embed_start (EV_P_ ev_embed *w);
551	void ev_embed_stop (EV_P_ ev_embed *w);	764	void ev_embed_stop (EV_P_ ev_embed *w);
552	void ev_embed_sweep (EV_P_ ev_embed *w);	765	void ev_embed_sweep (EV_P_ ev_embed *w);
553	# endif	766	# endif
554		767
		768	# if EV_ASYNC_ENABLE
		769	void ev_async_start (EV_P_ ev_async *w);
		770	void ev_async_stop (EV_P_ ev_async *w);
		771	void ev_async_send (EV_P_ ev_async *w);
		772	# endif
		773
		774	#if EV_COMPAT3
		775	#define EVLOOP_NONBLOCK EVRUN_NOWAIT
		776	#define EVLOOP_ONESHOT EVRUN_ONCE
		777	#define EVUNLOOP_CANCEL EVBREAK_CANCEL
		778	#define EVUNLOOP_ONE EVBREAK_ONE
		779	#define EVUNLOOP_ALL EVBREAK_ALL
		780	#if EV_PROTOTYPES
		781	EV_INLINE void ev_loop (EV_P_ int flags) { ev_run (EV_A_ flags); }
		782	EV_INLINE void ev_unloop (EV_P_ int how ) { ev_break (EV_A_ how ); }
		783	#if EV_FEATURE_API
		784	EV_INLINE void ev_loop_count (EV_P) { ev_iteration (EV_A); }
		785	EV_INLINE void ev_loop_depth (EV_P) { ev_depth (EV_A); }
		786	EV_INLINE void ev_loop_verify (EV_P) { ev_verify (EV_A); }
		787	#endif
		788	#endif
		789	#else
		790	typedef struct ev_loop ev_loop;
		791	#endif
		792
555	#endif	793	#endif
556		794
557	#ifdef __cplusplus	795	#ifdef __cplusplus
558	}	796	}
559	#endif	797	#endif

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Comparing libev/ev.h (file contents): Revision 1.91 by root, Fri Jan 25 15:45:09 2008 UTC vs. Revision 1.142 by root, Thu Oct 21 14:50:58 2010 UTC

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Comparing libev/ev.h (file contents):
Revision 1.91 by root, Fri Jan 25 15:45:09 2008 UTC vs.
Revision 1.142 by root, Thu Oct 21 14:50:58 2010 UTC