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

Comparing libev/ev.h (file contents):
Revision 1.89 by root, Mon Dec 24 03:41:38 2007 UTC vs.
Revision 1.130 by root, Thu Dec 31 06:59:47 2009 UTC

…		…
1	/*	1	/*
		2	* libev native API header
		3	*
2	* Copyright (c) 2007 Marc Alexander Lehmann <libev@schmorp.de>	4	* Copyright (c) 2007,2008,2009 Marc Alexander Lehmann <libev@schmorp.de>
3	* All rights reserved.	5	* All rights reserved.
4	*	6	*
5	* Redistribution and use in source and binary forms, with or without	7	* Redistribution and use in source and binary forms, with or without modifica-
6	* modification, are permitted provided that the following conditions are	8	* tion, are permitted provided that the following conditions are met:
7	* met:	9	*
		10	* 1. Redistributions of source code must retain the above copyright notice,
		11	* this list of conditions and the following disclaimer.
		12	*
		13	* 2. Redistributions in binary form must reproduce the above copyright
		14	* notice, this list of conditions and the following disclaimer in the
		15	* documentation and/or other materials provided with the distribution.
		16	*
		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-
		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-
		21	* CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
		22	* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
		23	* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
		24	* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH-
		25	* ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
		26	* OF THE POSSIBILITY OF SUCH DAMAGE.
8	*	27	*
9	* * Redistributions of source code must retain the above copyright	28	* Alternatively, the contents of this file may be used under the terms of
10	* notice, this list of conditions and the following disclaimer.	29	* the GNU General Public License ("GPL") version 2 or any later version,
11	*	30	* in which case the provisions of the GPL are applicable instead of
12	* * Redistributions in binary form must reproduce the above	31	* the above. If you wish to allow the use of your version of this file
13	* copyright notice, this list of conditions and the following	32	* only under the terms of the GPL and not to allow others to use your
14	* disclaimer in the documentation and/or other materials provided	33	* version of this file under the BSD license, indicate your decision
15	* with the distribution.	34	* by deleting the provisions above and replace them with the notice
16	*	35	* and other provisions required by the GPL. If you do not delete the
17	* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS	36	* provisions above, a recipient may use your version of this file under
18	* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT	37	* either the BSD or the GPL.
19	* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
20	* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
21	* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
22	* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
23	* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
27	* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28	*/	38	*/
29		39
30	#ifndef EV_H__	40	#ifndef EV_H_
31	#define EV_H__	41	#define EV_H_
32		42
33	#ifdef __cplusplus	43	#ifdef __cplusplus
34	extern "C" {	44	extern "C" {
35	#endif	45	#endif
36		46
66		76
67	#ifndef EV_EMBED_ENABLE	77	#ifndef EV_EMBED_ENABLE
68	# define EV_EMBED_ENABLE 1	78	# define EV_EMBED_ENABLE 1
69	#endif	79	#endif
70		80
		81	#ifndef EV_ASYNC_ENABLE
		82	# define EV_ASYNC_ENABLE 1
		83	#endif
		84
		85	#ifndef EV_WALK_ENABLE
		86	# define EV_WALK_ENABLE 0 /* not yet */
		87	#endif
		88
		89	#ifndef EV_ATOMIC_T
		90	# include <signal.h>
		91	# define EV_ATOMIC_T sig_atomic_t volatile
		92	#endif
		93
71	/*****************************************************************************/	94	/*****************************************************************************/
72		95
73	#if EV_STAT_ENABLE	96	#if EV_STAT_ENABLE
		97	# ifdef _WIN32
		98	# include <time.h>
		99	# include <sys/types.h>
		100	# endif
74	# include <sys/stat.h>	101	# include <sys/stat.h>
75	#endif	102	#endif
76		103
77	/* support multiple event loops? */	104	/* support multiple event loops? */
78	#if EV_MULTIPLICITY	105	#if EV_MULTIPLICITY
79	struct ev_loop;	106	struct ev_loop;
80	# define EV_P struct ev_loop *loop	107	# define EV_P struct ev_loop *loop
81	# define EV_P_ EV_P,	108	# define EV_P_ EV_P,
82	# define EV_A loop	109	# define EV_A loop
83	# define EV_A_ EV_A,	110	# define EV_A_ EV_A,
		111	# define EV_DEFAULT_UC ev_default_loop_uc ()
		112	# define EV_DEFAULT_UC_ EV_DEFAULT_UC,
84	# define EV_DEFAULT ev_default_loop (0)	113	# define EV_DEFAULT ev_default_loop (0)
85	# define EV_DEFAULT_ EV_DEFAULT,	114	# define EV_DEFAULT_ EV_DEFAULT,
86	#else	115	#else
87	# define EV_P void	116	# define EV_P void
88	# define EV_P_	117	# define EV_P_
89	# define EV_A	118	# define EV_A
90	# define EV_A_	119	# define EV_A_
91	# define EV_DEFAULT	120	# define EV_DEFAULT
92	# define EV_DEFAULT_	121	# define EV_DEFAULT_
93		122	# define EV_DEFAULT_UC
		123	# define EV_DEFAULT_UC_
94	# undef EV_EMBED_ENABLE	124	# undef EV_EMBED_ENABLE
95	#endif	125	#endif
96		126
		127	#if __STDC_VERSION__ >= 199901L \|\| __GNUC__ >= 3
		128	# define EV_INLINE static inline
		129	#else
		130	# define EV_INLINE static
		131	#endif
		132
		133	/*****************************************************************************/
		134
97	/* eventmask, revents, events... */	135	/* eventmask, revents, events... */
98	#define EV_UNDEF -1L /* guaranteed to be invalid */	136	#define EV_UNDEF -1 /* guaranteed to be invalid */
99	#define EV_NONE 0x00L /* no events */	137	#define EV_NONE 0x00 /* no events */
100	#define EV_READ 0x01L /* ev_io detected read will not block */	138	#define EV_READ 0x01 /* ev_io detected read will not block */
101	#define EV_WRITE 0x02L /* ev_io detected write will not block */	139	#define EV_WRITE 0x02 /* ev_io detected write will not block */
102	#define EV_IOFDSET 0x80L /* internal use only */	140	#define EV__IOFDSET 0x80 /* internal use only */
		141	#define EV_IO EV_READ /* alias for type-detection */
103	#define EV_TIMEOUT 0x00000100L /* timer timed out */	142	#define EV_TIMEOUT 0x00000100 /* timer timed out */
		143	#define EV_TIMER EV_TIMEOUT /* alias for type-detection */
104	#define EV_PERIODIC 0x00000200L /* periodic timer timed out */	144	#define EV_PERIODIC 0x00000200 /* periodic timer timed out */
105	#define EV_SIGNAL 0x00000400L /* signal was received */	145	#define EV_SIGNAL 0x00000400 /* signal was received */
106	#define EV_CHILD 0x00000800L /* child/pid had status change */	146	#define EV_CHILD 0x00000800 /* child/pid had status change */
107	#define EV_STAT 0x00001000L /* stat data changed */	147	#define EV_STAT 0x00001000 /* stat data changed */
108	#define EV_IDLE 0x00002000L /* event loop is idling */	148	#define EV_IDLE 0x00002000 /* event loop is idling */
109	#define EV_PREPARE 0x00004000L /* event loop about to poll */	149	#define EV_PREPARE 0x00004000 /* event loop about to poll */
110	#define EV_CHECK 0x00008000L /* event loop finished poll */	150	#define EV_CHECK 0x00008000 /* event loop finished poll */
111	#define EV_EMBED 0x00010000L /* embedded event loop needs sweep */	151	#define EV_EMBED 0x00010000 /* embedded event loop needs sweep */
112	#define EV_FORK 0x00020000L /* event loop resumed in child */	152	#define EV_FORK 0x00020000 /* event loop resumed in child */
		153	#define EV_ASYNC 0x00040000 /* async intra-loop signal */
		154	#define EV_CUSTOM 0x01000000 /* for use by user code */
113	#define EV_ERROR 0x80000000L /* sent when an error occurs */	155	#define EV_ERROR 0x80000000 /* sent when an error occurs */
114		156
115	/* can be used to add custom fields to all watchers, while losing binary compatibility */	157	/* can be used to add custom fields to all watchers, while losing binary compatibility */
116	#ifndef EV_COMMON	158	#ifndef EV_COMMON
117	# define EV_COMMON void *data;	159	# define EV_COMMON void *data;
118	#endif	160	#endif
119	#ifndef EV_PROTOTYPES	161	#ifndef EV_PROTOTYPES
120	# define EV_PROTOTYPES 1	162	# define EV_PROTOTYPES 1
121	#endif	163	#endif
122		164
123	#define EV_VERSION_MAJOR 2	165	#define EV_VERSION_MAJOR 3
124	#define EV_VERSION_MINOR 0	166	#define EV_VERSION_MINOR 9
125		167
126	#ifndef EV_CB_DECLARE	168	#ifndef EV_CB_DECLARE
127	# define EV_CB_DECLARE(type) void (cb)(EV_P_ struct type w, int revents);	169	# define EV_CB_DECLARE(type) void (cb)(EV_P_ struct type w, int revents);
128	#endif	170	#endif
129	#ifndef EV_CB_INVOKE	171	#ifndef EV_CB_INVOKE
130	# define EV_CB_INVOKE(watcher,revents) (watcher)->cb (EV_A_ (watcher), (revents))	172	# define EV_CB_INVOKE(watcher,revents) (watcher)->cb (EV_A_ (watcher), (revents))
131	#endif	173	#endif
132		174
133	/*	175	/*
134	* struct member types:	176	* struct member types:
135	* private: you can look at them, but not change them, and they might not mean anything to you.	177	* private: you may look at them, but not change them,
		178	* and they might not mean anything to you.
136	* ro: can be read anytime, but only changed when the watcher isn't active	179	* ro: can be read anytime, but only changed when the watcher isn't active.
137	* rw: can be read and modified anytime, even when the watcher is active	180	* rw: can be read and modified anytime, even when the watcher is active.
		181	*
		182	* some internal details that might be helpful for debugging:
		183	*
		184	* active is either 0, which means the watcher is not active,
		185	* or the array index of the watcher (periodics, timers)
		186	* or the array index + 1 (most other watchers)
		187	* or simply 1 for watchers that aren't in some array.
		188	* pending is either 0, in which case the watcher isn't,
		189	* or the array index + 1 in the pendings array.
138	*/	190	*/
		191
		192	#if EV_MINPRI == EV_MAXPRI
		193	# define EV_DECL_PRIORITY
		194	#else
		195	# define EV_DECL_PRIORITY int priority;
		196	#endif
139		197
140	/* shared by all watchers */	198	/* shared by all watchers */
141	#define EV_WATCHER(type) \	199	#define EV_WATCHER(type) \
142	int active; /* private */ \	200	int active; /* private */ \
143	int pending; /* private */ \	201	int pending; /* private */ \
144	int priority; /* private */ \	202	EV_DECL_PRIORITY /* private */ \
145	EV_COMMON /* rw */ \	203	EV_COMMON /* rw */ \
146	EV_CB_DECLARE (type) /* private */	204	EV_CB_DECLARE (type) /* private */
147		205
148	#define EV_WATCHER_LIST(type) \	206	#define EV_WATCHER_LIST(type) \
149	EV_WATCHER (type) \	207	EV_WATCHER (type) \
…		…
215	/* does not support priorities */	273	/* does not support priorities */
216	typedef struct ev_child	274	typedef struct ev_child
217	{	275	{
218	EV_WATCHER_LIST (ev_child)	276	EV_WATCHER_LIST (ev_child)
219		277
		278	int flags; /* private */
220	int pid; /* ro */	279	int pid; /* ro */
221	int rpid; /* rw, holds the received pid */	280	int rpid; /* rw, holds the received pid */
222	int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */	281	int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */
223	} ev_child;	282	} ev_child;
224		283
…		…
290	ev_prepare prepare; /* private */	349	ev_prepare prepare; /* private */
291	ev_check check; /* unused */	350	ev_check check; /* unused */
292	ev_timer timer; /* unused */	351	ev_timer timer; /* unused */
293	ev_periodic periodic; /* unused */	352	ev_periodic periodic; /* unused */
294	ev_idle idle; /* unused */	353	ev_idle idle; /* unused */
295	ev_fork fork; /* unused */	354	ev_fork fork; /* private */
296	} ev_embed;	355	} ev_embed;
		356	#endif
		357
		358	#if EV_ASYNC_ENABLE
		359	/* invoked when somebody calls ev_async_send on the watcher */
		360	/* revent EV_ASYNC */
		361	typedef struct ev_async
		362	{
		363	EV_WATCHER (ev_async)
		364
		365	EV_ATOMIC_T sent; /* private */
		366	} ev_async;
		367
		368	# define ev_async_pending(w) (+(w)->sent)
297	#endif	369	#endif
298		370
299	/* the presence of this union forces similar struct layout */	371	/* the presence of this union forces similar struct layout */
300	union ev_any_watcher	372	union ev_any_watcher
301	{	373	{
…		…
319	struct ev_fork fork;	391	struct ev_fork fork;
320	#endif	392	#endif
321	#if EV_EMBED_ENABLE	393	#if EV_EMBED_ENABLE
322	struct ev_embed embed;	394	struct ev_embed embed;
323	#endif	395	#endif
		396	#if EV_ASYNC_ENABLE
		397	struct ev_async async;
		398	#endif
324	};	399	};
325		400
326	/* bits for ev_default_loop and ev_loop_new */	401	/* bits for ev_default_loop and ev_loop_new */
327	/* the default */	402	/* the default */
328	#define EVFLAG_AUTO 0x00000000UL /* not quite a mask */	403	#define EVFLAG_AUTO 0x00000000U /* not quite a mask */
329	/* flag bits */	404	/* flag bits */
330	#define EVFLAG_NOENV 0x01000000UL /* do NOT consult environment */	405	#define EVFLAG_NOENV 0x01000000U /* do NOT consult environment */
331	#define EVFLAG_FORKCHECK 0x02000000UL /* check for a fork in each iteration */	406	#define EVFLAG_FORKCHECK 0x02000000U /* check for a fork in each iteration */
		407	/* debugging/feature disable */
		408	#define EVFLAG_NOINOTIFY 0x00100000U /* do not attempt to use inotify */
		409	#define EVFLAG_NOSIGFD 0 /* compatibility to pre-3.9 */
		410	#define EVFLAG_SIGNALFD 0x00200000U /* attempt to use signalfd */
332	/* method bits to be ored together */	411	/* method bits to be ored together */
333	#define EVBACKEND_SELECT 0x00000001UL /* about anywhere */	412	#define EVBACKEND_SELECT 0x00000001U /* about anywhere */
334	#define EVBACKEND_POLL 0x00000002UL /* !win */	413	#define EVBACKEND_POLL 0x00000002U /* !win */
335	#define EVBACKEND_EPOLL 0x00000004UL /* linux */	414	#define EVBACKEND_EPOLL 0x00000004U /* linux */
336	#define EVBACKEND_KQUEUE 0x00000008UL /* bsd */	415	#define EVBACKEND_KQUEUE 0x00000008U /* bsd */
337	#define EVBACKEND_DEVPOLL 0x00000010UL /* solaris 8 / / NYI */	416	#define EVBACKEND_DEVPOLL 0x00000010U /* solaris 8 / / NYI */
338	#define EVBACKEND_PORT 0x00000020UL /* solaris 10 */	417	#define EVBACKEND_PORT 0x00000020U /* solaris 10 */
		418	#define EVBACKEND_ALL 0x0000003FU
339		419
340	#if EV_PROTOTYPES	420	#if EV_PROTOTYPES
341	int ev_version_major (void);	421	int ev_version_major (void);
342	int ev_version_minor (void);	422	int ev_version_minor (void);
343		423
…		…
360	* retryable syscall error	440	* retryable syscall error
361	* (such as failed select, poll, epoll_wait)	441	* (such as failed select, poll, epoll_wait)
362	*/	442	*/
363	void ev_set_syserr_cb (void (cb)(const char msg));	443	void ev_set_syserr_cb (void (cb)(const char msg));
364		444
365	# if EV_MULTIPLICITY	445	#if EV_MULTIPLICITY
		446	EV_INLINE struct ev_loop *
		447	ev_default_loop_uc (void)
		448	{
		449	extern struct ev_loop *ev_default_loop_ptr;
		450
		451	return ev_default_loop_ptr;
		452	}
		453
366	/* the default loop is the only one that handles signals and child watchers */	454	/* the default loop is the only one that handles signals and child watchers */
367	/* you can call this as often as you like */	455	/* you can call this as often as you like */
368	static struct ev_loop *	456	EV_INLINE struct ev_loop *
369	ev_default_loop (unsigned int flags)	457	ev_default_loop (unsigned int flags)
370	{	458	{
371	extern struct ev_loop *ev_default_loop_ptr;	459	struct ev_loop *loop = ev_default_loop_uc ();
		460
		461	if (!loop)
		462	{
372	extern struct ev_loop *ev_default_loop_init (unsigned int flags);	463	extern struct ev_loop *ev_default_loop_init (unsigned int flags);
373		464
374	if (!ev_default_loop_ptr)
375	ev_default_loop_init (flags);	465	loop = ev_default_loop_init (flags);
		466	}
376		467
377	return ev_default_loop_ptr;	468	return loop;
378	}	469	}
379		470
380	/* create and destroy alternative loops that don't handle signals */	471	/* create and destroy alternative loops that don't handle signals */
381	struct ev_loop *ev_loop_new (unsigned int flags);	472	struct ev_loop *ev_loop_new (unsigned int flags);
382	void ev_loop_destroy (EV_P);	473	void ev_loop_destroy (EV_P);
383	void ev_loop_fork (EV_P);	474	void ev_loop_fork (EV_P);
384		475
385	ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */	476	ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */
386		477
387	# else	478	#else
388		479
389	int ev_default_loop (unsigned int flags); /* returns true when successful */	480	int ev_default_loop (unsigned int flags); /* returns true when successful */
390		481
391	static ev_tstamp	482	EV_INLINE ev_tstamp
392	ev_now (void)	483	ev_now (void)
393	{	484	{
394	extern ev_tstamp ev_rt_now;	485	extern ev_tstamp ev_rt_now;
395		486
396	return ev_rt_now;	487	return ev_rt_now;
397	}	488	}
		489	#endif /* multiplicity */
		490
		491	EV_INLINE int
		492	ev_is_default_loop (EV_P)
		493	{
		494	#if EV_MULTIPLICITY
		495	extern struct ev_loop *ev_default_loop_ptr;
		496
		497	return !!(EV_A == ev_default_loop_ptr);
		498	#else
		499	return 1;
398	# endif	500	#endif
		501	}
399		502
400	void ev_default_destroy (void); /* destroy the default loop */	503	void ev_default_destroy (void); /* destroy the default loop */
401	/* this needs to be called after fork, to duplicate the default loop */	504	/* this needs to be called after fork, to duplicate the default loop */
402	/* if you create alternative loops you have to call ev_loop_fork on them */	505	/* if you create alternative loops you have to call ev_loop_fork on them */
403	/* you can call it in either the parent or the child */	506	/* you can call it in either the parent or the child */
404	/* you can actually call it at any time, anywhere :) */	507	/* you can actually call it at any time, anywhere :) */
405	void ev_default_fork (void);	508	void ev_default_fork (void);
406		509
407	unsigned int ev_backend (EV_P); /* backend in use by loop */	510	unsigned int ev_backend (EV_P); /* backend in use by loop */
408	unsigned int ev_loop_count (EV_P); /* number of loop iterations */	511
		512	void ev_now_update (EV_P); /* update event loop time */
		513
		514	#if EV_WALK_ENABLE
		515	/* walk (almost) all watchers in the loop of a given type, invoking the */
		516	/* callback on every such watcher. The callback might stop the watcher, */
		517	/* but do nothing else with the loop */
		518	void ev_walk (EV_P_ int types, void (cb)(EV_P_ int type, void w));
409	#endif	519	#endif
		520
		521	#endif /* prototypes */
410		522
411	#define EVLOOP_NONBLOCK 1 /* do not block/wait */	523	#define EVLOOP_NONBLOCK 1 /* do not block/wait */
412	#define EVLOOP_ONESHOT 2 /* block once only */	524	#define EVLOOP_ONESHOT 2 /* block once only */
413	#define EVUNLOOP_CANCEL 0 /* undo unloop */	525	#define EVUNLOOP_CANCEL 0 /* undo unloop */
414	#define EVUNLOOP_ONE 1 /* unloop once */	526	#define EVUNLOOP_ONE 1 /* unloop once */
…		…
416		528
417	#if EV_PROTOTYPES	529	#if EV_PROTOTYPES
418	void ev_loop (EV_P_ int flags);	530	void ev_loop (EV_P_ int flags);
419	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 */	531	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 */
420		532
421	void ev_set_io_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */
422	void ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */
423
424	/*	533	/*
425	* ref/unref can be used to add or remove a refcount on the mainloop. every watcher	534	* ref/unref can be used to add or remove a refcount on the mainloop. every watcher
426	* keeps one reference. if you have a long-runing watcher you never unregister that	535	* keeps one reference. if you have a long-running watcher you never unregister that
427	* should not keep ev_loop from running, unref() after starting, and ref() before stopping.	536	* should not keep ev_loop from running, unref() after starting, and ref() before stopping.
428	*/	537	*/
429	void ev_ref (EV_P);	538	void ev_ref (EV_P);
430	void ev_unref (EV_P);	539	void ev_unref (EV_P);
431		540
		541	/*
432	/* convinience function, wait for a single event, without registering an event watcher */	542	* convenience function, wait for a single event, without registering an event watcher
433	/* if timeout is < 0, do wait indefinitely */	543	* if timeout is < 0, do wait indefinitely
		544	*/
434	void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (cb)(int revents, void arg), void *arg);	545	void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (cb)(int revents, void arg), void *arg);
		546
		547	# if EV_MINIMAL < 2
		548	unsigned int ev_loop_count (EV_P); /* number of loop iterations */
		549	unsigned int ev_loop_depth (EV_P); /* #ev_loop enters - #ev_loop leaves */
		550	void ev_loop_verify (EV_P); /* abort if loop data corrupted */
		551
		552	void ev_set_io_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */
		553	void ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */
		554
		555	/* advanced stuff for threading etc. support, see docs */
		556	void ev_set_userdata (EV_P_ void *data);
		557	void *ev_userdata (EV_P);
		558	void ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P));
		559	void ev_set_loop_release_cb (EV_P_ void (release)(EV_P), void (acquire)(EV_P));
		560
		561	unsigned int ev_pending_count (EV_P); /* number of pending events, if any */
		562	void ev_invoke_pending (EV_P); /* invoke all pending watchers */
		563
		564	/*
		565	* stop/start the timer handling.
		566	*/
		567	void ev_suspend (EV_P);
		568	void ev_resume (EV_P);
		569	#endif
		570
435	#endif	571	#endif
436		572
437	/* these may evaluate ev multiple times, and the other arguments at most once */	573	/* these may evaluate ev multiple times, and the other arguments at most once */
438	/* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */	574	/* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */
439	#define ev_init(ev,cb_) do { \	575	#define ev_init(ev,cb_) do { \
440	((ev_watcher )(void )(ev))->active = \	576	((ev_watcher )(void )(ev))->active = \
441	((ev_watcher )(void )(ev))->pending = \	577	((ev_watcher )(void )(ev))->pending = 0; \
442	((ev_watcher )(void )(ev))->priority = 0; \	578	ev_set_priority ((ev), 0); \
443	ev_set_cb ((ev), cb_); \	579	ev_set_cb ((ev), cb_); \
444	} while (0)	580	} while (0)
445		581
446	#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_) \| EV_IOFDSET; } while (0)	582	#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_) \| EV__IOFDSET; } while (0)
447	#define ev_timer_set(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); } while (0)	583	#define ev_timer_set(ev,after_,repeat_) do { ((ev_watcher_time *)(ev))->at = (after_); (ev)->repeat = (repeat_); } while (0)
448	#define ev_periodic_set(ev,ofs_,ival_,res_) do { (ev)->offset = (ofs_); (ev)->interval = (ival_); (ev)->reschedule_cb= (res_); } while (0)	584	#define ev_periodic_set(ev,ofs_,ival_,rcb_) do { (ev)->offset = (ofs_); (ev)->interval = (ival_); (ev)->reschedule_cb = (rcb_); } while (0)
449	#define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0)	585	#define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0)
450	#define ev_child_set(ev,pid_) do { (ev)->pid = (pid_); } while (0)	586	#define ev_child_set(ev,pid_,trace_) do { (ev)->pid = (pid_); (ev)->flags = !!(trace_); } while (0)
451	#define ev_stat_set(ev,path_,interval_) do { (ev)->path = (path_); (ev)->interval = (interval_); (ev)->wd = -2; } while (0)	587	#define ev_stat_set(ev,path_,interval_) do { (ev)->path = (path_); (ev)->interval = (interval_); (ev)->wd = -2; } while (0)
452	#define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */	588	#define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */
453	#define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */	589	#define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */
454	#define ev_check_set(ev) /* nop, yes, this is a serious in-joke */	590	#define ev_check_set(ev) /* nop, yes, this is a serious in-joke */
455	#define ev_embed_set(ev,other_) do { (ev)->other = (other_); } while (0)	591	#define ev_embed_set(ev,other_) do { (ev)->other = (other_); } while (0)
456	#define ev_fork_set(ev) /* nop, yes, this is a serious in-joke */	592	#define ev_fork_set(ev) /* nop, yes, this is a serious in-joke */
		593	#define ev_async_set(ev) do { (ev)->sent = 0; } while (0)
457		594
458	#define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)	595	#define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)
459	#define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0)	596	#define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0)
460	#define ev_periodic_init(ev,cb,at,ival,res) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(at),(ival),(res)); } while (0)	597	#define ev_periodic_init(ev,cb,ofs,ival,rcb) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(ofs),(ival),(rcb)); } while (0)
461	#define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0)	598	#define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0)
462	#define ev_child_init(ev,cb,pid) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid)); } while (0)	599	#define ev_child_init(ev,cb,pid,trace) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid),(trace)); } while (0)
463	#define ev_stat_init(ev,cb,path,interval) do { ev_init ((ev), (cb)); ev_stat_set ((ev),(path),(interval)); } while (0)	600	#define ev_stat_init(ev,cb,path,interval) do { ev_init ((ev), (cb)); ev_stat_set ((ev),(path),(interval)); } while (0)
464	#define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0)	601	#define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0)
465	#define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0)	602	#define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0)
466	#define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0)	603	#define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0)
467	#define ev_embed_init(ev,cb,other) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(other)); } while (0)	604	#define ev_embed_init(ev,cb,other) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(other)); } while (0)
468	#define ev_fork_init(ev,cb) do { ev_init ((ev), (cb)); ev_fork_set ((ev)); } while (0)	605	#define ev_fork_init(ev,cb) do { ev_init ((ev), (cb)); ev_fork_set ((ev)); } while (0)
		606	#define ev_async_init(ev,cb) do { ev_init ((ev), (cb)); ev_async_set ((ev)); } while (0)
469		607
470	#define ev_is_pending(ev) (0 + ((ev_watcher )(void )(ev))->pending) /* ro, true when watcher is waiting for callback invocation */	608	#define ev_is_pending(ev) (0 + ((ev_watcher )(void )(ev))->pending) /* ro, true when watcher is waiting for callback invocation */
471	#define ev_is_active(ev) (0 + ((ev_watcher )(void )(ev))->active) /* ro, true when the watcher has been started */	609	#define ev_is_active(ev) (0 + ((ev_watcher )(void )(ev))->active) /* ro, true when the watcher has been started */
472		610
473	#define ev_priority(ev) ((((ev_watcher )(void )(ev))->priority) + 0)
474	#define ev_cb(ev) (ev)->cb /* rw */	611	#define ev_cb(ev) (ev)->cb /* rw */
		612
		613	#if EV_MINPRI == EV_MAXPRI
		614	# define ev_priority(ev) ((ev), EV_MINPRI)
		615	# define ev_set_priority(ev,pri) ((ev), (pri))
		616	#else
		617	# define ev_priority(ev) (+(((ev_watcher )(void )(ev))->priority))
475	#define ev_set_priority(ev,pri) ((ev_watcher )(void )(ev))->priority = (pri)	618	# define ev_set_priority(ev,pri) ( (ev_watcher )(void )(ev))->priority = (pri)
		619	#endif
		620
		621	#define ev_periodic_at(ev) (+((ev_watcher_time *)(ev))->at)
476		622
477	#ifndef ev_set_cb	623	#ifndef ev_set_cb
478	# define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_)	624	# define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_)
479	#endif	625	#endif
480		626
481	/* stopping (enabling, adding) a watcher does nothing if it is already running */	627	/* stopping (enabling, adding) a watcher does nothing if it is already running */
482	/* stopping (disabling, deleting) a watcher does nothing unless its already running */	628	/* stopping (disabling, deleting) a watcher does nothing unless its already running */
483	#if EV_PROTOTYPES	629	#if EV_PROTOTYPES
…		…
495		641
496	void ev_timer_start (EV_P_ ev_timer *w);	642	void ev_timer_start (EV_P_ ev_timer *w);
497	void ev_timer_stop (EV_P_ ev_timer *w);	643	void ev_timer_stop (EV_P_ ev_timer *w);
498	/* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */	644	/* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */
499	void ev_timer_again (EV_P_ ev_timer *w);	645	void ev_timer_again (EV_P_ ev_timer *w);
		646	/* return remaining time */
		647	ev_tstamp ev_timer_remaining (EV_P_ ev_timer *w);
500		648
501	#if EV_PERIODIC_ENABLE	649	#if EV_PERIODIC_ENABLE
502	void ev_periodic_start (EV_P_ ev_periodic *w);	650	void ev_periodic_start (EV_P_ ev_periodic *w);
503	void ev_periodic_stop (EV_P_ ev_periodic *w);	651	void ev_periodic_stop (EV_P_ ev_periodic *w);
504	void ev_periodic_again (EV_P_ ev_periodic *w);	652	void ev_periodic_again (EV_P_ ev_periodic *w);
…		…
539	void ev_embed_start (EV_P_ ev_embed *w);	687	void ev_embed_start (EV_P_ ev_embed *w);
540	void ev_embed_stop (EV_P_ ev_embed *w);	688	void ev_embed_stop (EV_P_ ev_embed *w);
541	void ev_embed_sweep (EV_P_ ev_embed *w);	689	void ev_embed_sweep (EV_P_ ev_embed *w);
542	# endif	690	# endif
543		691
		692	# if EV_ASYNC_ENABLE
		693	void ev_async_start (EV_P_ ev_async *w);
		694	void ev_async_stop (EV_P_ ev_async *w);
		695	void ev_async_send (EV_P_ ev_async *w);
		696	# endif
		697
544	#endif	698	#endif
545		699
546	#ifdef __cplusplus	700	#ifdef __cplusplus
547	}	701	}
548	#endif	702	#endif

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Comparing libev/ev.h (file contents): Revision 1.89 by root, Mon Dec 24 03:41:38 2007 UTC vs. Revision 1.130 by root, Thu Dec 31 06:59:47 2009 UTC

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Comparing libev/ev.h (file contents):
Revision 1.89 by root, Mon Dec 24 03:41:38 2007 UTC vs.
Revision 1.130 by root, Thu Dec 31 06:59:47 2009 UTC