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

Comparing libev/ev.h (file contents):
Revision 1.86 by root, Thu Dec 20 07:12:57 2007 UTC vs.
Revision 1.121 by root, Tue Jul 14 19:11:31 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
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 1	165	#define EV_VERSION_MAJOR 3
124	#define EV_VERSION_MINOR 0	166	#define EV_VERSION_MINOR 7
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
…		…
283	/* the callback gets invoked when the event loop has handled events, and can be 0 */	342	/* the callback gets invoked when the event loop has handled events, and can be 0 */
284	typedef struct ev_embed	343	typedef struct ev_embed
285	{	344	{
286	EV_WATCHER (ev_embed)	345	EV_WATCHER (ev_embed)
287		346
288	ev_io io; /* private */
289	struct ev_loop other; / ro */	347	struct ev_loop other; / ro */
		348	ev_io io; /* private */
		349	ev_prepare prepare; /* private */
		350	ev_check check; /* unused */
		351	ev_timer timer; /* unused */
		352	ev_periodic periodic; /* unused */
		353	ev_idle idle; /* unused */
		354	ev_fork fork; /* private */
290	} 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 + 0)
291	#endif	369	#endif
292		370
293	/* the presence of this union forces similar struct layout */	371	/* the presence of this union forces similar struct layout */
294	union ev_any_watcher	372	union ev_any_watcher
295	{	373	{
…		…
313	struct ev_fork fork;	391	struct ev_fork fork;
314	#endif	392	#endif
315	#if EV_EMBED_ENABLE	393	#if EV_EMBED_ENABLE
316	struct ev_embed embed;	394	struct ev_embed embed;
317	#endif	395	#endif
		396	#if EV_ASYNC_ENABLE
		397	struct ev_async async;
		398	#endif
318	};	399	};
319		400
320	/* bits for ev_default_loop and ev_loop_new */	401	/* bits for ev_default_loop and ev_loop_new */
321	/* the default */	402	/* the default */
322	#define EVFLAG_AUTO 0x00000000UL /* not quite a mask */	403	#define EVFLAG_AUTO 0x00000000U /* not quite a mask */
323	/* flag bits */	404	/* flag bits */
324	#define EVFLAG_NOENV 0x01000000UL /* do NOT consult environment */	405	#define EVFLAG_NOENV 0x01000000U /* do NOT consult environment */
325	#define EVFLAG_FORKCHECK 0x02000000UL /* check for a fork in each iteration */	406	#define EVFLAG_FORKCHECK 0x02000000U /* check for a fork in each iteration */
326	/* method bits to be ored together */	407	/* method bits to be ored together */
327	#define EVBACKEND_SELECT 0x00000001UL /* about anywhere */	408	#define EVBACKEND_SELECT 0x00000001U /* about anywhere */
328	#define EVBACKEND_POLL 0x00000002UL /* !win */	409	#define EVBACKEND_POLL 0x00000002U /* !win */
329	#define EVBACKEND_EPOLL 0x00000004UL /* linux */	410	#define EVBACKEND_EPOLL 0x00000004U /* linux */
330	#define EVBACKEND_KQUEUE 0x00000008UL /* bsd */	411	#define EVBACKEND_KQUEUE 0x00000008U /* bsd */
331	#define EVBACKEND_DEVPOLL 0x00000010UL /* solaris 8 / / NYI */	412	#define EVBACKEND_DEVPOLL 0x00000010U /* solaris 8 / / NYI */
332	#define EVBACKEND_PORT 0x00000020UL /* solaris 10 */	413	#define EVBACKEND_PORT 0x00000020U /* solaris 10 */
333		414
334	#if EV_PROTOTYPES	415	#if EV_PROTOTYPES
335	int ev_version_major (void);	416	int ev_version_major (void);
336	int ev_version_minor (void);	417	int ev_version_minor (void);
337		418
338	unsigned int ev_supported_backends (void);	419	unsigned int ev_supported_backends (void);
339	unsigned int ev_recommended_backends (void);	420	unsigned int ev_recommended_backends (void);
340	unsigned int ev_embeddable_backends (void);	421	unsigned int ev_embeddable_backends (void);
341		422
342	ev_tstamp ev_time (void);	423	ev_tstamp ev_time (void);
		424	void ev_sleep (ev_tstamp delay); /* sleep for a while */
343		425
344	/* Sets the allocation function to use, works like realloc.	426	/* Sets the allocation function to use, works like realloc.
345	* It is used to allocate and free memory.	427	* It is used to allocate and free memory.
346	* If it returns zero when memory needs to be allocated, the library might abort	428	* If it returns zero when memory needs to be allocated, the library might abort
347	* or take some potentially destructive action.	429	* or take some potentially destructive action.
…		…
353	* retryable syscall error	435	* retryable syscall error
354	* (such as failed select, poll, epoll_wait)	436	* (such as failed select, poll, epoll_wait)
355	*/	437	*/
356	void ev_set_syserr_cb (void (cb)(const char msg));	438	void ev_set_syserr_cb (void (cb)(const char msg));
357		439
358	# if EV_MULTIPLICITY	440	#if EV_MULTIPLICITY
		441	EV_INLINE struct ev_loop *
		442	ev_default_loop_uc (void)
		443	{
		444	extern struct ev_loop *ev_default_loop_ptr;
		445
		446	return ev_default_loop_ptr;
		447	}
		448
359	/* the default loop is the only one that handles signals and child watchers */	449	/* the default loop is the only one that handles signals and child watchers */
360	/* you can call this as often as you like */	450	/* you can call this as often as you like */
361	static struct ev_loop *	451	EV_INLINE struct ev_loop *
362	ev_default_loop (unsigned int flags)	452	ev_default_loop (unsigned int flags)
363	{	453	{
364	extern struct ev_loop *ev_default_loop_ptr;	454	struct ev_loop *loop = ev_default_loop_uc ();
		455
		456	if (!loop)
		457	{
365	extern struct ev_loop *ev_default_loop_init (unsigned int flags);	458	extern struct ev_loop *ev_default_loop_init (unsigned int flags);
366		459
367	if (!ev_default_loop_ptr)
368	ev_default_loop_init (flags);	460	loop = ev_default_loop_init (flags);
		461	}
369		462
370	return ev_default_loop_ptr;	463	return loop;
371	}	464	}
372		465
373	/* create and destroy alternative loops that don't handle signals */	466	/* create and destroy alternative loops that don't handle signals */
374	struct ev_loop *ev_loop_new (unsigned int flags);	467	struct ev_loop *ev_loop_new (unsigned int flags);
375	void ev_loop_destroy (EV_P);	468	void ev_loop_destroy (EV_P);
376	void ev_loop_fork (EV_P);	469	void ev_loop_fork (EV_P);
377		470
378	ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */	471	ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */
379		472
380	# else	473	#else
381		474
382	int ev_default_loop (unsigned int flags); /* returns true when successful */	475	int ev_default_loop (unsigned int flags); /* returns true when successful */
383		476
384	static ev_tstamp	477	EV_INLINE ev_tstamp
385	ev_now (void)	478	ev_now (void)
386	{	479	{
387	extern ev_tstamp ev_rt_now;	480	extern ev_tstamp ev_rt_now;
388		481
389	return ev_rt_now;	482	return ev_rt_now;
390	}	483	}
		484	#endif /* multiplicity */
		485
		486	EV_INLINE int
		487	ev_is_default_loop (EV_P)
		488	{
		489	#if EV_MULTIPLICITY
		490	extern struct ev_loop *ev_default_loop_ptr;
		491
		492	return !!(EV_A == ev_default_loop_ptr);
		493	#else
		494	return 1;
391	# endif	495	#endif
		496	}
392		497
393	void ev_default_destroy (void); /* destroy the default loop */	498	void ev_default_destroy (void); /* destroy the default loop */
394	/* this needs to be called after fork, to duplicate the default loop */	499	/* this needs to be called after fork, to duplicate the default loop */
395	/* if you create alternative loops you have to call ev_loop_fork on them */	500	/* if you create alternative loops you have to call ev_loop_fork on them */
396	/* you can call it in either the parent or the child */	501	/* you can call it in either the parent or the child */
397	/* you can actually call it at any time, anywhere :) */	502	/* you can actually call it at any time, anywhere :) */
398	void ev_default_fork (void);	503	void ev_default_fork (void);
399		504
400	unsigned int ev_backend (EV_P);	505	unsigned int ev_backend (EV_P); /* backend in use by loop */
401	unsigned int ev_loop_count (EV_P);	506
		507	void ev_now_update (EV_P); /* update event loop time */
		508
		509	#if EV_WALK_ENABLE
		510	/* walk (almost) all watchers in the loop of a given type, invoking the */
		511	/* callback on every such watcher. The callback might stop the watcher, */
		512	/* but do nothing else with the loop */
		513	void ev_walk (EV_P_ int types, void (cb)(EV_P_ int type, void w));
402	#endif	514	#endif
		515
		516	#endif /* prototypes */
403		517
404	#define EVLOOP_NONBLOCK 1 /* do not block/wait */	518	#define EVLOOP_NONBLOCK 1 /* do not block/wait */
405	#define EVLOOP_ONESHOT 2 /* block once only */	519	#define EVLOOP_ONESHOT 2 /* block once only */
406	#define EVUNLOOP_CANCEL 0 /* undo unloop */	520	#define EVUNLOOP_CANCEL 0 /* undo unloop */
407	#define EVUNLOOP_ONE 1 /* unloop once */	521	#define EVUNLOOP_ONE 1 /* unloop once */
…		…
411	void ev_loop (EV_P_ int flags);	525	void ev_loop (EV_P_ int flags);
412	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 */	526	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 */
413		527
414	/*	528	/*
415	* ref/unref can be used to add or remove a refcount on the mainloop. every watcher	529	* ref/unref can be used to add or remove a refcount on the mainloop. every watcher
416	* keeps one reference. if you have a long-runing watcher you never unregister that	530	* keeps one reference. if you have a long-running watcher you never unregister that
417	* should not keep ev_loop from running, unref() after starting, and ref() before stopping.	531	* should not keep ev_loop from running, unref() after starting, and ref() before stopping.
418	*/	532	*/
419	void ev_ref (EV_P);	533	void ev_ref (EV_P);
420	void ev_unref (EV_P);	534	void ev_unref (EV_P);
421		535
		536	/*
422	/* convinience function, wait for a single event, without registering an event watcher */	537	* convenience function, wait for a single event, without registering an event watcher
423	/* if timeout is < 0, do wait indefinitely */	538	* if timeout is < 0, do wait indefinitely
		539	*/
424	void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (cb)(int revents, void arg), void *arg);	540	void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (cb)(int revents, void arg), void *arg);
		541
		542	# if EV_MINIMAL < 2
		543	unsigned int ev_loop_count (EV_P); /* number of loop iterations */
		544	unsigned int ev_loop_depth (EV_P); /* #ev_loop enters - #ev_loop leaves */
		545	void ev_loop_verify (EV_P); /* abort if loop data corrupted */
		546
		547	void ev_set_io_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */
		548	void ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */
		549
		550	/* advanced stuff for threading etc. support, see docs */
		551	void ev_set_userdata (EV_P_ void *data);
		552	void *ev_userdata (EV_P);
		553	void ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P));
		554	void ev_set_loop_release_cb (EV_P_ void (release)(EV_P), void (acquire)(EV_P));
		555
		556	void ev_invoke_pending (EV_P); /* invoke all pending watchers */
		557
		558	/*
		559	* stop/start the timer handling.
		560	*/
		561	void ev_suspend (EV_P);
		562	void ev_resume (EV_P);
		563	#endif
		564
425	#endif	565	#endif
426		566
427	/* these may evaluate ev multiple times, and the other arguments at most once */	567	/* these may evaluate ev multiple times, and the other arguments at most once */
428	/* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */	568	/* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */
429	#define ev_init(ev,cb_) do { \	569	#define ev_init(ev,cb_) do { \
430	((ev_watcher )(void )(ev))->active = \	570	((ev_watcher )(void )(ev))->active = \
431	((ev_watcher )(void )(ev))->pending = \	571	((ev_watcher )(void )(ev))->pending = 0; \
432	((ev_watcher )(void )(ev))->priority = 0; \	572	ev_set_priority ((ev), 0); \
433	ev_set_cb ((ev), cb_); \	573	ev_set_cb ((ev), cb_); \
434	} while (0)	574	} while (0)
435		575
436	#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_) \| EV_IOFDSET; } while (0)	576	#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_) \| EV__IOFDSET; } while (0)
437	#define ev_timer_set(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); } while (0)	577	#define ev_timer_set(ev,after_,repeat_) do { ((ev_watcher_time *)(ev))->at = (after_); (ev)->repeat = (repeat_); } while (0)
438	#define ev_periodic_set(ev,ofs_,ival_,res_) do { (ev)->offset = (ofs_); (ev)->interval = (ival_); (ev)->reschedule_cb= (res_); } while (0)	578	#define ev_periodic_set(ev,ofs_,ival_,rcb_) do { (ev)->offset = (ofs_); (ev)->interval = (ival_); (ev)->reschedule_cb = (rcb_); } while (0)
439	#define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0)	579	#define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0)
440	#define ev_child_set(ev,pid_) do { (ev)->pid = (pid_); } while (0)	580	#define ev_child_set(ev,pid_,trace_) do { (ev)->pid = (pid_); (ev)->flags = !!(trace_); } while (0)
441	#define ev_stat_set(ev,path_,interval_) do { (ev)->path = (path_); (ev)->interval = (interval_); (ev)->wd = -2; } while (0)	581	#define ev_stat_set(ev,path_,interval_) do { (ev)->path = (path_); (ev)->interval = (interval_); (ev)->wd = -2; } while (0)
442	#define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */	582	#define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */
443	#define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */	583	#define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */
444	#define ev_check_set(ev) /* nop, yes, this is a serious in-joke */	584	#define ev_check_set(ev) /* nop, yes, this is a serious in-joke */
445	#define ev_embed_set(ev,other_) do { (ev)->other = (other_); } while (0)	585	#define ev_embed_set(ev,other_) do { (ev)->other = (other_); } while (0)
446	#define ev_fork_set(ev) /* nop, yes, this is a serious in-joke */	586	#define ev_fork_set(ev) /* nop, yes, this is a serious in-joke */
		587	#define ev_async_set(ev) do { (ev)->sent = 0; } while (0)
447		588
448	#define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)	589	#define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)
449	#define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0)	590	#define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0)
450	#define ev_periodic_init(ev,cb,at,ival,res) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(at),(ival),(res)); } while (0)	591	#define ev_periodic_init(ev,cb,ofs,ival,rcb) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(ofs),(ival),(rcb)); } while (0)
451	#define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0)	592	#define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0)
452	#define ev_child_init(ev,cb,pid) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid)); } while (0)	593	#define ev_child_init(ev,cb,pid,trace) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid),(trace)); } while (0)
453	#define ev_stat_init(ev,cb,path,interval) do { ev_init ((ev), (cb)); ev_path_set ((ev),(path),(interval)); } while (0)	594	#define ev_stat_init(ev,cb,path,interval) do { ev_init ((ev), (cb)); ev_stat_set ((ev),(path),(interval)); } while (0)
454	#define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0)	595	#define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0)
455	#define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0)	596	#define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0)
456	#define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0)	597	#define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0)
457	#define ev_embed_init(ev,cb,other) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(other)); } while (0)	598	#define ev_embed_init(ev,cb,other) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(other)); } while (0)
458	#define ev_fork_init(ev,cb) do { ev_init ((ev), (cb)); ev_fork_set ((ev)); } while (0)	599	#define ev_fork_init(ev,cb) do { ev_init ((ev), (cb)); ev_fork_set ((ev)); } while (0)
		600	#define ev_async_init(ev,cb) do { ev_init ((ev), (cb)); ev_async_set ((ev)); } while (0)
459		601
460	#define ev_is_pending(ev) (0 + ((ev_watcher )(void )(ev))->pending) /* ro, true when watcher is waiting for callback invocation */	602	#define ev_is_pending(ev) (0 + ((ev_watcher )(void )(ev))->pending) /* ro, true when watcher is waiting for callback invocation */
461	#define ev_is_active(ev) (0 + ((ev_watcher )(void )(ev))->active) /* ro, true when the watcher has been started */	603	#define ev_is_active(ev) (0 + ((ev_watcher )(void )(ev))->active) /* ro, true when the watcher has been started */
462		604
		605	#define ev_cb(ev) (ev)->cb /* rw */
		606
		607	#if EV_MINPRI == EV_MAXPRI
		608	# define ev_priority(ev) ((ev), EV_MINPRI)
		609	# define ev_set_priority(ev,pri) ((ev), (pri))
		610	#else
463	#define ev_priority(ev) ((((ev_watcher )(void )(ev))->priority) + 0)	611	# define ev_priority(ev) ((((ev_watcher )(void )(ev))->priority) + 0)
464	#define ev_cb(ev) (ev)->cb /* rw */
465	#define ev_set_priority(ev,pri) ((ev_watcher )(void )(ev))->priority = (pri)	612	# define ev_set_priority(ev,pri) ( (ev_watcher )(void )(ev))->priority = (pri)
		613	#endif
		614
		615	#define ev_periodic_at(ev) (((ev_watcher_time *)(ev))->at + 0.)
466		616
467	#ifndef ev_set_cb	617	#ifndef ev_set_cb
468	# define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_)	618	# define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_)
469	#endif	619	#endif
470		620
471	/* stopping (enabling, adding) a watcher does nothing if it is already running */	621	/* stopping (enabling, adding) a watcher does nothing if it is already running */
472	/* stopping (disabling, deleting) a watcher does nothing unless its already running */	622	/* stopping (disabling, deleting) a watcher does nothing unless its already running */
473	#if EV_PROTOTYPES	623	#if EV_PROTOTYPES
…		…
529	void ev_embed_start (EV_P_ ev_embed *w);	679	void ev_embed_start (EV_P_ ev_embed *w);
530	void ev_embed_stop (EV_P_ ev_embed *w);	680	void ev_embed_stop (EV_P_ ev_embed *w);
531	void ev_embed_sweep (EV_P_ ev_embed *w);	681	void ev_embed_sweep (EV_P_ ev_embed *w);
532	# endif	682	# endif
533		683
		684	# if EV_ASYNC_ENABLE
		685	void ev_async_start (EV_P_ ev_async *w);
		686	void ev_async_stop (EV_P_ ev_async *w);
		687	void ev_async_send (EV_P_ ev_async *w);
		688	# endif
		689
534	#endif	690	#endif
535		691
536	#ifdef __cplusplus	692	#ifdef __cplusplus
537	}	693	}
538	#endif	694	#endif

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Comparing libev/ev.h (file contents): Revision 1.86 by root, Thu Dec 20 07:12:57 2007 UTC vs. Revision 1.121 by root, Tue Jul 14 19:11:31 2009 UTC

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Comparing libev/ev.h (file contents):
Revision 1.86 by root, Thu Dec 20 07:12:57 2007 UTC vs.
Revision 1.121 by root, Tue Jul 14 19:11:31 2009 UTC