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

Comparing libev/ev.h (file contents):
Revision 1.82 by root, Sun Dec 9 19:42:57 2007 UTC vs.
Revision 1.115 by root, Sat Apr 25 14:12:48 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 */
		140	#define EV__IOFDSET 0x80 /* internal use only */
		141	#define EV_IO EV_READ /* alias for type-detection */
102	#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 */
103	#define EV_PERIODIC 0x00000200L /* periodic timer timed out */	144	#define EV_PERIODIC 0x00000200 /* periodic timer timed out */
104	#define EV_SIGNAL 0x00000400L /* signal was received */	145	#define EV_SIGNAL 0x00000400 /* signal was received */
105	#define EV_CHILD 0x00000800L /* child/pid had status change */	146	#define EV_CHILD 0x00000800 /* child/pid had status change */
106	#define EV_STAT 0x00001000L /* stat data changed */	147	#define EV_STAT 0x00001000 /* stat data changed */
107	#define EV_IDLE 0x00002000L /* event loop is idling */	148	#define EV_IDLE 0x00002000 /* event loop is idling */
108	#define EV_PREPARE 0x00004000L /* event loop about to poll */	149	#define EV_PREPARE 0x00004000 /* event loop about to poll */
109	#define EV_CHECK 0x00008000L /* event loop finished poll */	150	#define EV_CHECK 0x00008000 /* event loop finished poll */
110	#define EV_EMBED 0x00010000L /* embedded event loop needs sweep */	151	#define EV_EMBED 0x00010000 /* embedded event loop needs sweep */
111	#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 */
112	#define EV_ERROR 0x80000000L /* sent when an error occurs */	155	#define EV_ERROR 0x80000000 /* sent when an error occurs */
113		156
114	/* 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 */
115	#ifndef EV_COMMON	158	#ifndef EV_COMMON
116	# define EV_COMMON void *data;	159	# define EV_COMMON void *data;
117	#endif	160	#endif
118	#ifndef EV_PROTOTYPES	161	#ifndef EV_PROTOTYPES
119	# define EV_PROTOTYPES 1	162	# define EV_PROTOTYPES 1
120	#endif	163	#endif
121		164
122	#define EV_VERSION_MAJOR 1	165	#define EV_VERSION_MAJOR 3
123	#define EV_VERSION_MINOR 1	166	#define EV_VERSION_MINOR 0
124		167
125	#ifndef EV_CB_DECLARE	168	#ifndef EV_CB_DECLARE
126	# 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);
127	#endif	170	#endif
128	#ifndef EV_CB_INVOKE	171	#ifndef EV_CB_INVOKE
129	# 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))
130	#endif	173	#endif
131		174
132	/*	175	/*
133	* struct member types:	176	* struct member types:
134	* 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.
135	* 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.
136	* 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.
137	*/	190	*/
138		191
139	/* shared by all watchers */	192	/* shared by all watchers */
140	#define EV_WATCHER(type) \	193	#define EV_WATCHER(type) \
141	int active; /* private */ \	194	int active; /* private */ \
…		…
214	/* does not support priorities */	267	/* does not support priorities */
215	typedef struct ev_child	268	typedef struct ev_child
216	{	269	{
217	EV_WATCHER_LIST (ev_child)	270	EV_WATCHER_LIST (ev_child)
218		271
		272	int flags; /* private */
219	int pid; /* ro */	273	int pid; /* ro */
220	int rpid; /* rw, holds the received pid */	274	int rpid; /* rw, holds the received pid */
221	int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */	275	int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */
222	} ev_child;	276	} ev_child;
223		277
…		…
282	/* the callback gets invoked when the event loop has handled events, and can be 0 */	336	/* the callback gets invoked when the event loop has handled events, and can be 0 */
283	typedef struct ev_embed	337	typedef struct ev_embed
284	{	338	{
285	EV_WATCHER (ev_embed)	339	EV_WATCHER (ev_embed)
286		340
287	ev_io io; /* private */
288	struct ev_loop loop; / ro */	341	struct ev_loop other; / ro */
		342	ev_io io; /* private */
		343	ev_prepare prepare; /* private */
		344	ev_check check; /* unused */
		345	ev_timer timer; /* unused */
		346	ev_periodic periodic; /* unused */
		347	ev_idle idle; /* unused */
		348	ev_fork fork; /* private */
289	} ev_embed;	349	} ev_embed;
		350	#endif
		351
		352	#if EV_ASYNC_ENABLE
		353	/* invoked when somebody calls ev_async_send on the watcher */
		354	/* revent EV_ASYNC */
		355	typedef struct ev_async
		356	{
		357	EV_WATCHER (ev_async)
		358
		359	EV_ATOMIC_T sent; /* private */
		360	} ev_async;
		361
		362	# define ev_async_pending(w) ((w)->sent + 0)
290	#endif	363	#endif
291		364
292	/* the presence of this union forces similar struct layout */	365	/* the presence of this union forces similar struct layout */
293	union ev_any_watcher	366	union ev_any_watcher
294	{	367	{
…		…
312	struct ev_fork fork;	385	struct ev_fork fork;
313	#endif	386	#endif
314	#if EV_EMBED_ENABLE	387	#if EV_EMBED_ENABLE
315	struct ev_embed embed;	388	struct ev_embed embed;
316	#endif	389	#endif
		390	#if EV_ASYNC_ENABLE
		391	struct ev_async async;
		392	#endif
317	};	393	};
318		394
319	/* bits for ev_default_loop and ev_loop_new */	395	/* bits for ev_default_loop and ev_loop_new */
320	/* the default */	396	/* the default */
321	#define EVFLAG_AUTO 0x00000000UL /* not quite a mask */	397	#define EVFLAG_AUTO 0x00000000U /* not quite a mask */
322	/* flag bits */	398	/* flag bits */
323	#define EVFLAG_NOENV 0x01000000UL /* do NOT consult environment */	399	#define EVFLAG_NOENV 0x01000000U /* do NOT consult environment */
324	#define EVFLAG_FORKCHECK 0x02000000UL /* check for a fork in each iteration */	400	#define EVFLAG_FORKCHECK 0x02000000U /* check for a fork in each iteration */
325	/* method bits to be ored together */	401	/* method bits to be ored together */
326	#define EVBACKEND_SELECT 0x00000001UL /* about anywhere */	402	#define EVBACKEND_SELECT 0x00000001U /* about anywhere */
327	#define EVBACKEND_POLL 0x00000002UL /* !win */	403	#define EVBACKEND_POLL 0x00000002U /* !win */
328	#define EVBACKEND_EPOLL 0x00000004UL /* linux */	404	#define EVBACKEND_EPOLL 0x00000004U /* linux */
329	#define EVBACKEND_KQUEUE 0x00000008UL /* bsd */	405	#define EVBACKEND_KQUEUE 0x00000008U /* bsd */
330	#define EVBACKEND_DEVPOLL 0x00000010UL /* solaris 8 / / NYI */	406	#define EVBACKEND_DEVPOLL 0x00000010U /* solaris 8 / / NYI */
331	#define EVBACKEND_PORT 0x00000020UL /* solaris 10 */	407	#define EVBACKEND_PORT 0x00000020U /* solaris 10 */
332		408
333	#if EV_PROTOTYPES	409	#if EV_PROTOTYPES
334	int ev_version_major (void);	410	int ev_version_major (void);
335	int ev_version_minor (void);	411	int ev_version_minor (void);
336		412
337	unsigned int ev_supported_backends (void);	413	unsigned int ev_supported_backends (void);
338	unsigned int ev_recommended_backends (void);	414	unsigned int ev_recommended_backends (void);
339	unsigned int ev_embeddable_backends (void);	415	unsigned int ev_embeddable_backends (void);
340		416
341	ev_tstamp ev_time (void);	417	ev_tstamp ev_time (void);
		418	void ev_sleep (ev_tstamp delay); /* sleep for a while */
342		419
343	/* Sets the allocation function to use, works like realloc.	420	/* Sets the allocation function to use, works like realloc.
344	* It is used to allocate and free memory.	421	* It is used to allocate and free memory.
345	* If it returns zero when memory needs to be allocated, the library might abort	422	* If it returns zero when memory needs to be allocated, the library might abort
346	* or take some potentially destructive action.	423	* or take some potentially destructive action.
…		…
352	* retryable syscall error	429	* retryable syscall error
353	* (such as failed select, poll, epoll_wait)	430	* (such as failed select, poll, epoll_wait)
354	*/	431	*/
355	void ev_set_syserr_cb (void (cb)(const char msg));	432	void ev_set_syserr_cb (void (cb)(const char msg));
356		433
357	# if EV_MULTIPLICITY	434	#if EV_MULTIPLICITY
		435	EV_INLINE struct ev_loop *
		436	ev_default_loop_uc (void)
		437	{
		438	extern struct ev_loop *ev_default_loop_ptr;
		439
		440	return ev_default_loop_ptr;
		441	}
		442
358	/* the default loop is the only one that handles signals and child watchers */	443	/* the default loop is the only one that handles signals and child watchers */
359	/* you can call this as often as you like */	444	/* you can call this as often as you like */
360	static struct ev_loop *	445	EV_INLINE struct ev_loop *
361	ev_default_loop (unsigned int flags)	446	ev_default_loop (unsigned int flags)
362	{	447	{
363	extern struct ev_loop *ev_default_loop_ptr;	448	struct ev_loop *loop = ev_default_loop_uc ();
		449
		450	if (!loop)
		451	{
364	extern struct ev_loop *ev_default_loop_init (unsigned int flags);	452	extern struct ev_loop *ev_default_loop_init (unsigned int flags);
365		453
366	if (!ev_default_loop_ptr)
367	ev_default_loop_init (flags);	454	loop = ev_default_loop_init (flags);
		455	}
368		456
369	return ev_default_loop_ptr;	457	return loop;
370	}	458	}
371		459
372	/* create and destroy alternative loops that don't handle signals */	460	/* create and destroy alternative loops that don't handle signals */
373	struct ev_loop *ev_loop_new (unsigned int flags);	461	struct ev_loop *ev_loop_new (unsigned int flags);
374	void ev_loop_destroy (EV_P);	462	void ev_loop_destroy (EV_P);
375	void ev_loop_fork (EV_P);	463	void ev_loop_fork (EV_P);
		464	void ev_loop_verify (EV_P);
376		465
377	ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */	466	ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */
		467	void ev_now_update (EV_P);
378		468
379	# else	469	#else
380		470
381	int ev_default_loop (unsigned int flags); /* returns true when successful */	471	int ev_default_loop (unsigned int flags); /* returns true when successful */
382		472
383	static ev_tstamp	473	EV_INLINE ev_tstamp
384	ev_now (void)	474	ev_now (void)
385	{	475	{
386	extern ev_tstamp ev_rt_now;	476	extern ev_tstamp ev_rt_now;
387		477
388	return ev_rt_now;	478	return ev_rt_now;
389	}	479	}
		480	#endif /* multiplicity */
		481
		482	EV_INLINE int
		483	ev_is_default_loop (EV_P)
		484	{
		485	#if EV_MULTIPLICITY
		486	extern struct ev_loop *ev_default_loop_ptr;
		487
		488	return !!(EV_A == ev_default_loop_ptr);
		489	#else
		490	return 1;
390	# endif	491	#endif
		492	}
391		493
392	void ev_default_destroy (void); /* destroy the default loop */	494	void ev_default_destroy (void); /* destroy the default loop */
393	/* this needs to be called after fork, to duplicate the default loop */	495	/* this needs to be called after fork, to duplicate the default loop */
394	/* if you create alternative loops you have to call ev_loop_fork on them */	496	/* if you create alternative loops you have to call ev_loop_fork on them */
395	/* you can call it in either the parent or the child */	497	/* you can call it in either the parent or the child */
396	/* you can actually call it at any time, anywhere :) */	498	/* you can actually call it at any time, anywhere :) */
397	void ev_default_fork (void);	499	void ev_default_fork (void);
398		500
399	unsigned int ev_backend (EV_P);	501	#if EV_WALK_ENABLE
400	unsigned int ev_loop_count (EV_P);	502	/* walk (almost) all watchers in the loop of a given type, invoking the */
		503	/* callback on every such watcher. The callback might stop the watcher, */
		504	/* but do nothing else with the loop */
		505	void ev_walk (EV_P_ int types, void (cb)(EV_P_ int type, void w));
401	#endif	506	#endif
		507
		508	unsigned int ev_backend (EV_P); /* backend in use by loop */
		509	unsigned int ev_loop_count (EV_P); /* number of loop iterations */
		510	#endif /* prototypes */
402		511
403	#define EVLOOP_NONBLOCK 1 /* do not block/wait */	512	#define EVLOOP_NONBLOCK 1 /* do not block/wait */
404	#define EVLOOP_ONESHOT 2 /* block once only */	513	#define EVLOOP_ONESHOT 2 /* block once only */
405	#define EVUNLOOP_CANCEL 0 /* undo unloop */	514	#define EVUNLOOP_CANCEL 0 /* undo unloop */
406	#define EVUNLOOP_ONE 1 /* unloop once */	515	#define EVUNLOOP_ONE 1 /* unloop once */
407	#define EVUNLOOP_ALL 2 /* unloop all loops */	516	#define EVUNLOOP_ALL 2 /* unloop all loops */
408		517
409	#if EV_PROTOTYPES	518	#if EV_PROTOTYPES
410	void ev_loop (EV_P_ int flags);	519	void ev_loop (EV_P_ int flags);
411	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 */	520	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 */
		521
		522	void ev_set_io_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */
		523	void ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */
412		524
413	/*	525	/*
414	* ref/unref can be used to add or remove a refcount on the mainloop. every watcher	526	* ref/unref can be used to add or remove a refcount on the mainloop. every watcher
415	* keeps one reference. if you have a long-runing watcher you never unregister that	527	* keeps one reference. if you have a long-runing watcher you never unregister that
416	* should not keep ev_loop from running, unref() after starting, and ref() before stopping.	528	* should not keep ev_loop from running, unref() after starting, and ref() before stopping.
417	*/	529	*/
418	void ev_ref (EV_P);	530	void ev_ref (EV_P);
419	void ev_unref (EV_P);	531	void ev_unref (EV_P);
420		532
		533	/*
		534	* stop/start the timer handling.
		535	*/
		536	void ev_suspend (EV_P);
		537	void ev_resume (EV_P);
		538
		539	/*
421	/* convinience function, wait for a single event, without registering an event watcher */	540	* convenience function, wait for a single event, without registering an event watcher
422	/* if timeout is < 0, do wait indefinitely */	541	* if timeout is < 0, do wait indefinitely
		542	*/
423	void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (cb)(int revents, void arg), void *arg);	543	void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (cb)(int revents, void arg), void *arg);
424	#endif	544	#endif
425		545
426	/* these may evaluate ev multiple times, and the other arguments at most once */	546	/* these may evaluate ev multiple times, and the other arguments at most once */
427	/* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */	547	/* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */
…		…
430	((ev_watcher )(void )(ev))->pending = \	550	((ev_watcher )(void )(ev))->pending = \
431	((ev_watcher )(void )(ev))->priority = 0; \	551	((ev_watcher )(void )(ev))->priority = 0; \
432	ev_set_cb ((ev), cb_); \	552	ev_set_cb ((ev), cb_); \
433	} while (0)	553	} while (0)
434		554
435	#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_); } while (0)	555	#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_) \| EV__IOFDSET; } while (0)
436	#define ev_timer_set(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); } while (0)	556	#define ev_timer_set(ev,after_,repeat_) do { ((ev_watcher_time *)(ev))->at = (after_); (ev)->repeat = (repeat_); } while (0)
437	#define ev_periodic_set(ev,ofs_,ival_,res_) do { (ev)->offset = (ofs_); (ev)->interval = (ival_); (ev)->reschedule_cb= (res_); } while (0)	557	#define ev_periodic_set(ev,ofs_,ival_,rcb_) do { (ev)->offset = (ofs_); (ev)->interval = (ival_); (ev)->reschedule_cb = (rcb_); } while (0)
438	#define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0)	558	#define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0)
439	#define ev_child_set(ev,pid_) do { (ev)->pid = (pid_); } while (0)	559	#define ev_child_set(ev,pid_,trace_) do { (ev)->pid = (pid_); (ev)->flags = !!(trace_); } while (0)
440	#define ev_stat_set(ev,path_,interval_) do { (ev)->path = (path_); (ev)->interval = (interval_); (ev)->wd = -2; } while (0)	560	#define ev_stat_set(ev,path_,interval_) do { (ev)->path = (path_); (ev)->interval = (interval_); (ev)->wd = -2; } while (0)
441	#define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */	561	#define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */
442	#define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */	562	#define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */
443	#define ev_check_set(ev) /* nop, yes, this is a serious in-joke */	563	#define ev_check_set(ev) /* nop, yes, this is a serious in-joke */
444	#define ev_embed_set(ev,loop_) do { (ev)->loop = (loop_); } while (0)	564	#define ev_embed_set(ev,other_) do { (ev)->other = (other_); } while (0)
445	#define ev_fork_set(ev) /* nop, yes, this is a serious in-joke */	565	#define ev_fork_set(ev) /* nop, yes, this is a serious in-joke */
		566	#define ev_async_set(ev) do { (ev)->sent = 0; } while (0)
446		567
447	#define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)	568	#define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)
448	#define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0)	569	#define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0)
449	#define ev_periodic_init(ev,cb,at,ival,res) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(at),(ival),(res)); } while (0)	570	#define ev_periodic_init(ev,cb,ofs,ival,rcb) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(ofs),(ival),(rcb)); } while (0)
450	#define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0)	571	#define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0)
451	#define ev_child_init(ev,cb,pid) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid)); } while (0)	572	#define ev_child_init(ev,cb,pid,trace) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid),(trace)); } while (0)
452	#define ev_stat_init(ev,cb,path,interval) do { ev_init ((ev), (cb)); ev_path_set ((ev),(path),(interval)); } while (0)	573	#define ev_stat_init(ev,cb,path,interval) do { ev_init ((ev), (cb)); ev_stat_set ((ev),(path),(interval)); } while (0)
453	#define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0)	574	#define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0)
454	#define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0)	575	#define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0)
455	#define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0)	576	#define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0)
456	#define ev_embed_init(ev,cb,loop) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(loop)); } while (0)	577	#define ev_embed_init(ev,cb,other) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(other)); } while (0)
457	#define ev_fork_init(ev,cb) do { ev_init ((ev), (cb)); ev_fork_set ((ev)); } while (0)	578	#define ev_fork_init(ev,cb) do { ev_init ((ev), (cb)); ev_fork_set ((ev)); } while (0)
		579	#define ev_async_init(ev,cb) do { ev_init ((ev), (cb)); ev_async_set ((ev)); } while (0)
458		580
459	#define ev_is_pending(ev) (0 + ((ev_watcher )(void )(ev))->pending) /* ro, true when watcher is waiting for callback invocation */	581	#define ev_is_pending(ev) (0 + ((ev_watcher )(void )(ev))->pending) /* ro, true when watcher is waiting for callback invocation */
460	#define ev_is_active(ev) (0 + ((ev_watcher )(void )(ev))->active) /* ro, true when the watcher has been started */	582	#define ev_is_active(ev) (0 + ((ev_watcher )(void )(ev))->active) /* ro, true when the watcher has been started */
461		583
462	#define ev_priority(ev) ((((ev_watcher )(void )(ev))->priority) + 0)	584	#define ev_priority(ev) ((((ev_watcher )(void )(ev))->priority) + 0)
463	#define ev_cb(ev) (ev)->cb /* rw */	585	#define ev_cb(ev) (ev)->cb /* rw */
464	#define ev_set_priority(ev,pri) ((ev_watcher )(void )(ev))->priority = (pri)	586	#define ev_set_priority(ev,pri) ((ev_watcher )(void )(ev))->priority = (pri)
		587
		588	#define ev_periodic_at(ev) (((ev_watcher_time *)(ev))->at + 0.)
465		589
466	#ifndef ev_set_cb	590	#ifndef ev_set_cb
467	# define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_)	591	# define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_)
468	#endif	592	#endif
469		593
470	/* stopping (enabling, adding) a watcher does nothing if it is already running */	594	/* stopping (enabling, adding) a watcher does nothing if it is already running */
471	/* stopping (disabling, deleting) a watcher does nothing unless its already running */	595	/* stopping (disabling, deleting) a watcher does nothing unless its already running */
472	#if EV_PROTOTYPES	596	#if EV_PROTOTYPES
…		…
528	void ev_embed_start (EV_P_ ev_embed *w);	652	void ev_embed_start (EV_P_ ev_embed *w);
529	void ev_embed_stop (EV_P_ ev_embed *w);	653	void ev_embed_stop (EV_P_ ev_embed *w);
530	void ev_embed_sweep (EV_P_ ev_embed *w);	654	void ev_embed_sweep (EV_P_ ev_embed *w);
531	# endif	655	# endif
532		656
		657	# if EV_ASYNC_ENABLE
		658	void ev_async_start (EV_P_ ev_async *w);
		659	void ev_async_stop (EV_P_ ev_async *w);
		660	void ev_async_send (EV_P_ ev_async *w);
		661	# endif
		662
533	#endif	663	#endif
534		664
535	#ifdef __cplusplus	665	#ifdef __cplusplus
536	}	666	}
537	#endif	667	#endif

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Comparing libev/ev.h (file contents): Revision 1.82 by root, Sun Dec 9 19:42:57 2007 UTC vs. Revision 1.115 by root, Sat Apr 25 14:12:48 2009 UTC

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Comparing libev/ev.h (file contents):
Revision 1.82 by root, Sun Dec 9 19:42:57 2007 UTC vs.
Revision 1.115 by root, Sat Apr 25 14:12:48 2009 UTC