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

Comparing libev/ev.h (file contents):
Revision 1.76 by root, Thu Nov 29 17:28:13 2007 UTC vs.
Revision 1.111 by root, Mon Mar 16 21:15:06 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
54		64
55	#ifndef EV_STAT_ENABLE	65	#ifndef EV_STAT_ENABLE
56	# define EV_STAT_ENABLE 1	66	# define EV_STAT_ENABLE 1
57	#endif	67	#endif
58		68
		69	#ifndef EV_IDLE_ENABLE
		70	# define EV_IDLE_ENABLE 1
		71	#endif
		72
59	#ifndef EV_FORK_ENABLE	73	#ifndef EV_FORK_ENABLE
60	# define EV_FORK_ENABLE 1	74	# define EV_FORK_ENABLE 1
61	#endif	75	#endif
62		76
63	#ifndef EV_EMBED_ENABLE	77	#ifndef EV_EMBED_ENABLE
64	# define EV_EMBED_ENABLE 1	78	# define EV_EMBED_ENABLE 1
65	#endif	79	#endif
66		80
		81	#ifndef EV_ASYNC_ENABLE
		82	# define EV_ASYNC_ENABLE 1
		83	#endif
		84
		85	#ifndef EV_ATOMIC_T
		86	# include <signal.h>
		87	# define EV_ATOMIC_T sig_atomic_t volatile
		88	#endif
		89
67	/*****************************************************************************/	90	/*****************************************************************************/
68		91
69	#if EV_STAT_ENABLE	92	#if EV_STAT_ENABLE
		93	# ifdef _WIN32
		94	# include <time.h>
		95	# include <sys/types.h>
		96	# endif
70	# include <sys/stat.h>	97	# include <sys/stat.h>
71	#endif	98	#endif
72		99
73	/* support multiple event loops? */	100	/* support multiple event loops? */
74	#if EV_MULTIPLICITY	101	#if EV_MULTIPLICITY
75	struct ev_loop;	102	struct ev_loop;
76	# define EV_P struct ev_loop *loop	103	# define EV_P struct ev_loop *loop
77	# define EV_P_ EV_P,	104	# define EV_P_ EV_P,
78	# define EV_A loop	105	# define EV_A loop
79	# define EV_A_ EV_A,	106	# define EV_A_ EV_A,
		107	# define EV_DEFAULT_UC ev_default_loop_uc ()
		108	# define EV_DEFAULT_UC_ EV_DEFAULT_UC,
80	# define EV_DEFAULT ev_default_loop (0)	109	# define EV_DEFAULT ev_default_loop (0)
81	# define EV_DEFAULT_ EV_DEFAULT,	110	# define EV_DEFAULT_ EV_DEFAULT,
82	#else	111	#else
83	# define EV_P void	112	# define EV_P void
84	# define EV_P_	113	# define EV_P_
85	# define EV_A	114	# define EV_A
86	# define EV_A_	115	# define EV_A_
87	# define EV_DEFAULT	116	# define EV_DEFAULT
88	# define EV_DEFAULT_	117	# define EV_DEFAULT_
89		118	# define EV_DEFAULT_UC
		119	# define EV_DEFAULT_UC_
90	# undef EV_EMBED_ENABLE	120	# undef EV_EMBED_ENABLE
91	#endif	121	#endif
92		122
		123	#if __STDC_VERSION__ >= 199901L \|\| __GNUC__ >= 3
		124	# define EV_INLINE static inline
		125	#else
		126	# define EV_INLINE static
		127	#endif
		128
		129	/*****************************************************************************/
		130
93	/* eventmask, revents, events... */	131	/* eventmask, revents, events... */
94	#define EV_UNDEF -1L /* guaranteed to be invalid */	132	#define EV_UNDEF -1 /* guaranteed to be invalid */
95	#define EV_NONE 0x00L /* no events */	133	#define EV_NONE 0x00 /* no events */
96	#define EV_READ 0x01L /* ev_io detected read will not block */	134	#define EV_READ 0x01 /* ev_io detected read will not block */
97	#define EV_WRITE 0x02L /* ev_io detected write will not block */	135	#define EV_WRITE 0x02 /* ev_io detected write will not block */
		136	#define EV__IOFDSET 0x80 /* internal use only */
		137	#define EV_IO EV_READ /* alias for type-detection */
98	#define EV_TIMEOUT 0x00000100L /* timer timed out */	138	#define EV_TIMEOUT 0x00000100 /* timer timed out */
99	#define EV_PERIODIC 0x00000200L /* periodic timer timed out */	139	#define EV_PERIODIC 0x00000200 /* periodic timer timed out */
100	#define EV_SIGNAL 0x00000400L /* signal was received */	140	#define EV_SIGNAL 0x00000400 /* signal was received */
101	#define EV_CHILD 0x00000800L /* child/pid had status change */	141	#define EV_CHILD 0x00000800 /* child/pid had status change */
102	#define EV_STAT 0x00001000L /* stat data changed */	142	#define EV_STAT 0x00001000 /* stat data changed */
103	#define EV_IDLE 0x00002000L /* event loop is idling */	143	#define EV_IDLE 0x00002000 /* event loop is idling */
104	#define EV_PREPARE 0x00004000L /* event loop about to poll */	144	#define EV_PREPARE 0x00004000 /* event loop about to poll */
105	#define EV_CHECK 0x00008000L /* event loop finished poll */	145	#define EV_CHECK 0x00008000 /* event loop finished poll */
106	#define EV_EMBED 0x00010000L /* embedded event loop needs sweep */	146	#define EV_EMBED 0x00010000 /* embedded event loop needs sweep */
107	#define EV_FORK 0x00020000L /* event loop resumed in child */	147	#define EV_FORK 0x00020000 /* event loop resumed in child */
		148	#define EV_ASYNC 0x00040000 /* async intra-loop signal */
108	#define EV_ERROR 0x80000000L /* sent when an error occurs */	149	#define EV_ERROR 0x80000000 /* sent when an error occurs */
109		150
110	/* can be used to add custom fields to all watchers, while losing binary compatibility */	151	/* can be used to add custom fields to all watchers, while losing binary compatibility */
111	#ifndef EV_COMMON	152	#ifndef EV_COMMON
112	# define EV_COMMON void *data;	153	# define EV_COMMON void *data;
113	#endif	154	#endif
114	#ifndef EV_PROTOTYPES	155	#ifndef EV_PROTOTYPES
115	# define EV_PROTOTYPES 1	156	# define EV_PROTOTYPES 1
116	#endif	157	#endif
117		158
118	#define EV_VERSION_MAJOR 1	159	#define EV_VERSION_MAJOR 3
119	#define EV_VERSION_MINOR 1	160	#define EV_VERSION_MINOR 0
120		161
121	#ifndef EV_CB_DECLARE	162	#ifndef EV_CB_DECLARE
122	# define EV_CB_DECLARE(type) void (cb)(EV_P_ struct type w, int revents);	163	# define EV_CB_DECLARE(type) void (cb)(EV_P_ struct type w, int revents);
123	#endif	164	#endif
124	#ifndef EV_CB_INVOKE	165	#ifndef EV_CB_INVOKE
125	# define EV_CB_INVOKE(watcher,revents) (watcher)->cb (EV_A_ (watcher), (revents))	166	# define EV_CB_INVOKE(watcher,revents) (watcher)->cb (EV_A_ (watcher), (revents))
126	#endif	167	#endif
127		168
128	/*	169	/*
129	* struct member types:	170	* struct member types:
130	* private: you can look at them, but not change them, and they might not mean anything to you.	171	* private: you may look at them, but not change them,
		172	* and they might not mean anything to you.
131	* ro: can be read anytime, but only changed when the watcher isn't active	173	* ro: can be read anytime, but only changed when the watcher isn't active.
132	* rw: can be read and modified anytime, even when the watcher is active	174	* rw: can be read and modified anytime, even when the watcher is active.
		175	*
		176	* some internal details that might be helpful for debugging:
		177	*
		178	* active is either 0, which means the watcher is not active,
		179	* or the array index of the watcher (periodics, timers)
		180	* or the array index + 1 (most other watchers)
		181	* or simply 1 for watchers that aren't in some array.
		182	* pending is either 0, in which case the watcher isn't,
		183	* or the array index + 1 in the pendings array.
133	*/	184	*/
134		185
135	/* shared by all watchers */	186	/* shared by all watchers */
136	#define EV_WATCHER(type) \	187	#define EV_WATCHER(type) \
137	int active; /* private */ \	188	int active; /* private */ \
…		…
189	/* revent EV_PERIODIC */	240	/* revent EV_PERIODIC */
190	typedef struct ev_periodic	241	typedef struct ev_periodic
191	{	242	{
192	EV_WATCHER_TIME (ev_periodic)	243	EV_WATCHER_TIME (ev_periodic)
193		244
		245	ev_tstamp offset; /* rw */
194	ev_tstamp interval; /* rw */	246	ev_tstamp interval; /* rw */
195	ev_tstamp (reschedule_cb)(struct ev_periodic w, ev_tstamp now); /* rw */	247	ev_tstamp (reschedule_cb)(struct ev_periodic w, ev_tstamp now); /* rw */
196	} ev_periodic;	248	} ev_periodic;
197		249
198	/* invoked when the given signal has been received */	250	/* invoked when the given signal has been received */
…		…
209	/* does not support priorities */	261	/* does not support priorities */
210	typedef struct ev_child	262	typedef struct ev_child
211	{	263	{
212	EV_WATCHER_LIST (ev_child)	264	EV_WATCHER_LIST (ev_child)
213		265
		266	int flags; /* private */
214	int pid; /* ro */	267	int pid; /* ro */
215	int rpid; /* rw, holds the received pid */	268	int rpid; /* rw, holds the received pid */
216	int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */	269	int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */
217	} ev_child;	270	} ev_child;
218		271
…		…
238		291
239	int wd; /* wd for inotify, fd for kqueue */	292	int wd; /* wd for inotify, fd for kqueue */
240	} ev_stat;	293	} ev_stat;
241	#endif	294	#endif
242		295
		296	#if EV_IDLE_ENABLE
243	/* invoked when the nothing else needs to be done, keeps the process from blocking */	297	/* invoked when the nothing else needs to be done, keeps the process from blocking */
244	/* revent EV_IDLE */	298	/* revent EV_IDLE */
245	typedef struct ev_idle	299	typedef struct ev_idle
246	{	300	{
247	EV_WATCHER (ev_idle)	301	EV_WATCHER (ev_idle)
248	} ev_idle;	302	} ev_idle;
		303	#endif
249		304
250	/* invoked for each run of the mainloop, just before the blocking call */	305	/* invoked for each run of the mainloop, just before the blocking call */
251	/* you can still change events in any way you like */	306	/* you can still change events in any way you like */
252	/* revent EV_PREPARE */	307	/* revent EV_PREPARE */
253	typedef struct ev_prepare	308	typedef struct ev_prepare
…		…
275	/* the callback gets invoked when the event loop has handled events, and can be 0 */	330	/* the callback gets invoked when the event loop has handled events, and can be 0 */
276	typedef struct ev_embed	331	typedef struct ev_embed
277	{	332	{
278	EV_WATCHER (ev_embed)	333	EV_WATCHER (ev_embed)
279		334
280	ev_io io; /* private */
281	struct ev_loop loop; / ro */	335	struct ev_loop other; / ro */
		336	ev_io io; /* private */
		337	ev_prepare prepare; /* private */
		338	ev_check check; /* unused */
		339	ev_timer timer; /* unused */
		340	ev_periodic periodic; /* unused */
		341	ev_idle idle; /* unused */
		342	ev_fork fork; /* private */
282	} ev_embed;	343	} ev_embed;
		344	#endif
		345
		346	#if EV_ASYNC_ENABLE
		347	/* invoked when somebody calls ev_async_send on the watcher */
		348	/* revent EV_ASYNC */
		349	typedef struct ev_async
		350	{
		351	EV_WATCHER (ev_async)
		352
		353	EV_ATOMIC_T sent; /* private */
		354	} ev_async;
		355
		356	# define ev_async_pending(w) ((w)->sent + 0)
283	#endif	357	#endif
284		358
285	/* the presence of this union forces similar struct layout */	359	/* the presence of this union forces similar struct layout */
286	union ev_any_watcher	360	union ev_any_watcher
287	{	361	{
…		…
294	struct ev_signal signal;	368	struct ev_signal signal;
295	struct ev_child child;	369	struct ev_child child;
296	#if EV_STAT_ENABLE	370	#if EV_STAT_ENABLE
297	struct ev_stat stat;	371	struct ev_stat stat;
298	#endif	372	#endif
		373	#if EV_IDLE_ENABLE
299	struct ev_idle idle;	374	struct ev_idle idle;
		375	#endif
300	struct ev_prepare prepare;	376	struct ev_prepare prepare;
301	struct ev_check check;	377	struct ev_check check;
302	#if EV_FORK_ENABLE	378	#if EV_FORK_ENABLE
303	struct ev_fork fork;	379	struct ev_fork fork;
304	#endif	380	#endif
305	#if EV_EMBED_ENABLE	381	#if EV_EMBED_ENABLE
306	struct ev_embed embed;	382	struct ev_embed embed;
307	#endif	383	#endif
		384	#if EV_ASYNC_ENABLE
		385	struct ev_async async;
		386	#endif
308	};	387	};
309		388
310	/* bits for ev_default_loop and ev_loop_new */	389	/* bits for ev_default_loop and ev_loop_new */
311	/* the default */	390	/* the default */
312	#define EVFLAG_AUTO 0x00000000UL /* not quite a mask */	391	#define EVFLAG_AUTO 0x00000000U /* not quite a mask */
313	/* flag bits */	392	/* flag bits */
314	#define EVFLAG_NOENV 0x01000000UL /* do NOT consult environment */	393	#define EVFLAG_NOENV 0x01000000U /* do NOT consult environment */
315	#define EVFLAG_FORKCHECK 0x02000000UL /* check for a fork in each iteration */	394	#define EVFLAG_FORKCHECK 0x02000000U /* check for a fork in each iteration */
316	/* method bits to be ored together */	395	/* method bits to be ored together */
317	#define EVBACKEND_SELECT 0x00000001UL /* about anywhere */	396	#define EVBACKEND_SELECT 0x00000001U /* about anywhere */
318	#define EVBACKEND_POLL 0x00000002UL /* !win */	397	#define EVBACKEND_POLL 0x00000002U /* !win */
319	#define EVBACKEND_EPOLL 0x00000004UL /* linux */	398	#define EVBACKEND_EPOLL 0x00000004U /* linux */
320	#define EVBACKEND_KQUEUE 0x00000008UL /* bsd */	399	#define EVBACKEND_KQUEUE 0x00000008U /* bsd */
321	#define EVBACKEND_DEVPOLL 0x00000010UL /* solaris 8 / / NYI */	400	#define EVBACKEND_DEVPOLL 0x00000010U /* solaris 8 / / NYI */
322	#define EVBACKEND_PORT 0x00000020UL /* solaris 10 */	401	#define EVBACKEND_PORT 0x00000020U /* solaris 10 */
323		402
324	#if EV_PROTOTYPES	403	#if EV_PROTOTYPES
325	int ev_version_major (void);	404	int ev_version_major (void);
326	int ev_version_minor (void);	405	int ev_version_minor (void);
327		406
328	unsigned int ev_supported_backends (void);	407	unsigned int ev_supported_backends (void);
329	unsigned int ev_recommended_backends (void);	408	unsigned int ev_recommended_backends (void);
330	unsigned int ev_embeddable_backends (void);	409	unsigned int ev_embeddable_backends (void);
331		410
332	ev_tstamp ev_time (void);	411	ev_tstamp ev_time (void);
		412	void ev_sleep (ev_tstamp delay); /* sleep for a while */
333		413
334	/* Sets the allocation function to use, works like realloc.	414	/* Sets the allocation function to use, works like realloc.
335	* It is used to allocate and free memory.	415	* It is used to allocate and free memory.
336	* If it returns zero when memory needs to be allocated, the library might abort	416	* If it returns zero when memory needs to be allocated, the library might abort
337	* or take some potentially destructive action.	417	* or take some potentially destructive action.
…		…
343	* retryable syscall error	423	* retryable syscall error
344	* (such as failed select, poll, epoll_wait)	424	* (such as failed select, poll, epoll_wait)
345	*/	425	*/
346	void ev_set_syserr_cb (void (cb)(const char msg));	426	void ev_set_syserr_cb (void (cb)(const char msg));
347		427
348	# if EV_MULTIPLICITY	428	#if EV_MULTIPLICITY
		429	EV_INLINE struct ev_loop *
		430	ev_default_loop_uc (void)
		431	{
		432	extern struct ev_loop *ev_default_loop_ptr;
		433
		434	return ev_default_loop_ptr;
		435	}
		436
349	/* the default loop is the only one that handles signals and child watchers */	437	/* the default loop is the only one that handles signals and child watchers */
350	/* you can call this as often as you like */	438	/* you can call this as often as you like */
351	static struct ev_loop *	439	EV_INLINE struct ev_loop *
352	ev_default_loop (unsigned int flags)	440	ev_default_loop (unsigned int flags)
353	{	441	{
354	extern struct ev_loop *ev_default_loop_ptr;	442	struct ev_loop *loop = ev_default_loop_uc ();
		443
		444	if (!loop)
		445	{
355	extern struct ev_loop *ev_default_loop_init (unsigned int flags);	446	extern struct ev_loop *ev_default_loop_init (unsigned int flags);
356		447
357	if (!ev_default_loop_ptr)
358	ev_default_loop_init (flags);	448	loop = ev_default_loop_init (flags);
		449	}
359		450
360	return ev_default_loop_ptr;	451	return loop;
361	}	452	}
362		453
363	/* create and destroy alternative loops that don't handle signals */	454	/* create and destroy alternative loops that don't handle signals */
364	struct ev_loop *ev_loop_new (unsigned int flags);	455	struct ev_loop *ev_loop_new (unsigned int flags);
365	void ev_loop_destroy (EV_P);	456	void ev_loop_destroy (EV_P);
366	void ev_loop_fork (EV_P);	457	void ev_loop_fork (EV_P);
		458	void ev_loop_verify (EV_P);
367		459
368	ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */	460	ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */
		461	void ev_now_update (EV_P);
369		462
370	# else	463	#else
371		464
372	int ev_default_loop (unsigned int flags); /* returns true when successful */	465	int ev_default_loop (unsigned int flags); /* returns true when successful */
373		466
374	static ev_tstamp	467	EV_INLINE ev_tstamp
375	ev_now (void)	468	ev_now (void)
376	{	469	{
377	extern ev_tstamp ev_rt_now;	470	extern ev_tstamp ev_rt_now;
378		471
379	return ev_rt_now;	472	return ev_rt_now;
380	}	473	}
		474	#endif /* multiplicity */
		475
		476	EV_INLINE int
		477	ev_is_default_loop (EV_P)
		478	{
		479	#if EV_MULTIPLICITY
		480	extern struct ev_loop *ev_default_loop_ptr;
		481
		482	return !!(EV_A == ev_default_loop_ptr);
		483	#else
		484	return 1;
381	# endif	485	#endif
		486	}
382		487
383	void ev_default_destroy (void); /* destroy the default loop */	488	void ev_default_destroy (void); /* destroy the default loop */
384	/* this needs to be called after fork, to duplicate the default loop */	489	/* this needs to be called after fork, to duplicate the default loop */
385	/* if you create alternative loops you have to call ev_loop_fork on them */	490	/* if you create alternative loops you have to call ev_loop_fork on them */
386	/* you can call it in either the parent or the child */	491	/* you can call it in either the parent or the child */
387	/* you can actually call it at any time, anywhere :) */	492	/* you can actually call it at any time, anywhere :) */
388	void ev_default_fork (void);	493	void ev_default_fork (void);
389		494
390	unsigned int ev_backend (EV_P);	495	unsigned int ev_backend (EV_P); /* backend in use by loop */
391	#endif	496	unsigned int ev_loop_count (EV_P); /* number of loop iterations */
		497	#endif /* prototypes */
392		498
393	#define EVLOOP_NONBLOCK 1 /* do not block/wait */	499	#define EVLOOP_NONBLOCK 1 /* do not block/wait */
394	#define EVLOOP_ONESHOT 2 /* block once only */	500	#define EVLOOP_ONESHOT 2 /* block once only */
395	#define EVUNLOOP_CANCEL 0 /* undo unloop */	501	#define EVUNLOOP_CANCEL 0 /* undo unloop */
396	#define EVUNLOOP_ONE 1 /* unloop once */	502	#define EVUNLOOP_ONE 1 /* unloop once */
397	#define EVUNLOOP_ALL 2 /* unloop all loops */	503	#define EVUNLOOP_ALL 2 /* unloop all loops */
398		504
399	#if EV_PROTOTYPES	505	#if EV_PROTOTYPES
400	void ev_loop (EV_P_ int flags);	506	void ev_loop (EV_P_ int flags);
401	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 */	507	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 */
		508
		509	void ev_set_io_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */
		510	void ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */
402		511
403	/*	512	/*
404	* ref/unref can be used to add or remove a refcount on the mainloop. every watcher	513	* ref/unref can be used to add or remove a refcount on the mainloop. every watcher
405	* keeps one reference. if you have a long-runing watcher you never unregister that	514	* keeps one reference. if you have a long-runing watcher you never unregister that
406	* should not keep ev_loop from running, unref() after starting, and ref() before stopping.	515	* should not keep ev_loop from running, unref() after starting, and ref() before stopping.
407	*/	516	*/
408	void ev_ref (EV_P);	517	void ev_ref (EV_P);
409	void ev_unref (EV_P);	518	void ev_unref (EV_P);
410		519
411	/* convinience function, wait for a single event, without registering an event watcher */	520	/* convenience function, wait for a single event, without registering an event watcher */
412	/* if timeout is < 0, do wait indefinitely */	521	/* if timeout is < 0, do wait indefinitely */
413	void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (cb)(int revents, void arg), void *arg);	522	void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (cb)(int revents, void arg), void *arg);
414	#endif	523	#endif
415		524
416	/* these may evaluate ev multiple times, and the other arguments at most once */	525	/* these may evaluate ev multiple times, and the other arguments at most once */
417	/* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */	526	/* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */
418	#define ev_init(ev,cb_) do { \	527	#define ev_init(ev,cb_) do { \
419	((ev_watcher )(void )(ev))->active = \	528	((ev_watcher )(void )(ev))->active = \
420	((ev_watcher )(void )(ev))->pending = \	529	((ev_watcher )(void )(ev))->pending = \
421	((ev_watcher )(void )(ev))->priority = 0; \	530	((ev_watcher )(void )(ev))->priority = 0; \
422	ev_set_cb ((ev), cb_); \	531	ev_set_cb ((ev), cb_); \
423	} while (0)	532	} while (0)
424		533
425	#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_); } while (0)	534	#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_) \| EV__IOFDSET; } while (0)
426	#define ev_timer_set(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); } while (0)	535	#define ev_timer_set(ev,after_,repeat_) do { ((ev_watcher_time *)(ev))->at = (after_); (ev)->repeat = (repeat_); } while (0)
427	#define ev_periodic_set(ev,at_,ival_,res_) do { (ev)->at = (at_); (ev)->interval = (ival_); (ev)->reschedule_cb= (res_); } while (0)	536	#define ev_periodic_set(ev,ofs_,ival_,rcb_) do { (ev)->offset = (ofs_); (ev)->interval = (ival_); (ev)->reschedule_cb = (rcb_); } while (0)
428	#define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0)	537	#define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0)
429	#define ev_child_set(ev,pid_) do { (ev)->pid = (pid_); } while (0)	538	#define ev_child_set(ev,pid_,trace_) do { (ev)->pid = (pid_); (ev)->flags = !!(trace_); } while (0)
430	#define ev_stat_set(ev,path_,interval_) do { (ev)->path = (path_); (ev)->interval = (interval_); (ev)->wd = -2; } while (0)	539	#define ev_stat_set(ev,path_,interval_) do { (ev)->path = (path_); (ev)->interval = (interval_); (ev)->wd = -2; } while (0)
431	#define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */	540	#define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */
432	#define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */	541	#define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */
433	#define ev_check_set(ev) /* nop, yes, this is a serious in-joke */	542	#define ev_check_set(ev) /* nop, yes, this is a serious in-joke */
434	#define ev_embed_set(ev,loop_) do { (ev)->loop = (loop_); } while (0)	543	#define ev_embed_set(ev,other_) do { (ev)->other = (other_); } while (0)
435	#define ev_fork_set(ev) /* nop, yes, this is a serious in-joke */	544	#define ev_fork_set(ev) /* nop, yes, this is a serious in-joke */
		545	#define ev_async_set(ev) do { (ev)->sent = 0; } while (0)
436		546
437	#define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)	547	#define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)
438	#define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0)	548	#define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0)
439	#define ev_periodic_init(ev,cb,at,ival,res) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(at),(ival),(res)); } while (0)	549	#define ev_periodic_init(ev,cb,ofs,ival,rcb) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(ofs),(ival),(rcb)); } while (0)
440	#define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0)	550	#define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0)
441	#define ev_child_init(ev,cb,pid) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid)); } while (0)	551	#define ev_child_init(ev,cb,pid,trace) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid),(trace)); } while (0)
442	#define ev_stat_init(ev,cb,path,interval) do { ev_init ((ev), (cb)); ev_path_set ((ev),(path),(interval)); } while (0)	552	#define ev_stat_init(ev,cb,path,interval) do { ev_init ((ev), (cb)); ev_stat_set ((ev),(path),(interval)); } while (0)
443	#define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0)	553	#define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0)
444	#define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0)	554	#define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0)
445	#define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0)	555	#define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0)
446	#define ev_embed_init(ev,cb,loop) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(loop)); } while (0)	556	#define ev_embed_init(ev,cb,other) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(other)); } while (0)
447	#define ev_fork_init(ev,cb) do { ev_init ((ev), (cb)); ev_fork_set ((ev)); } while (0)	557	#define ev_fork_init(ev,cb) do { ev_init ((ev), (cb)); ev_fork_set ((ev)); } while (0)
		558	#define ev_async_init(ev,cb) do { ev_init ((ev), (cb)); ev_async_set ((ev)); } while (0)
448		559
449	#define ev_is_pending(ev) (0 + ((ev_watcher )(void )(ev))->pending) /* ro, true when watcher is waiting for callback invocation */	560	#define ev_is_pending(ev) (0 + ((ev_watcher )(void )(ev))->pending) /* ro, true when watcher is waiting for callback invocation */
450	#define ev_is_active(ev) (0 + ((ev_watcher )(void )(ev))->active) /* ro, true when the watcher has been started */	561	#define ev_is_active(ev) (0 + ((ev_watcher )(void )(ev))->active) /* ro, true when the watcher has been started */
451		562
452	#define ev_priority(ev) ((ev_watcher )(void )(ev))->priority /* rw */	563	#define ev_priority(ev) ((((ev_watcher )(void )(ev))->priority) + 0)
453	#define ev_cb(ev) (ev)->cb /* rw */	564	#define ev_cb(ev) (ev)->cb /* rw */
454	#define ev_set_priority(ev,pri) ev_priority (ev) = (pri)	565	#define ev_set_priority(ev,pri) ((ev_watcher )(void )(ev))->priority = (pri)
		566
		567	#define ev_periodic_at(ev) (((ev_watcher_time *)(ev))->at + 0.)
455		568
456	#ifndef ev_set_cb	569	#ifndef ev_set_cb
457	# define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_)	570	# define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_)
458	#endif	571	#endif
459		572
460	/* stopping (enabling, adding) a watcher does nothing if it is already running */	573	/* stopping (enabling, adding) a watcher does nothing if it is already running */
461	/* stopping (disabling, deleting) a watcher does nothing unless its already running */	574	/* stopping (disabling, deleting) a watcher does nothing unless its already running */
462	#if EV_PROTOTYPES	575	#if EV_PROTOTYPES
…		…
464	/* feeds an event into a watcher as if the event actually occured */	577	/* feeds an event into a watcher as if the event actually occured */
465	/* accepts any ev_watcher type */	578	/* accepts any ev_watcher type */
466	void ev_feed_event (EV_P_ void *w, int revents);	579	void ev_feed_event (EV_P_ void *w, int revents);
467	void ev_feed_fd_event (EV_P_ int fd, int revents);	580	void ev_feed_fd_event (EV_P_ int fd, int revents);
468	void ev_feed_signal_event (EV_P_ int signum);	581	void ev_feed_signal_event (EV_P_ int signum);
		582	void ev_invoke (EV_P_ void *w, int revents);
		583	int ev_clear_pending (EV_P_ void *w);
469		584
470	void ev_io_start (EV_P_ ev_io *w);	585	void ev_io_start (EV_P_ ev_io *w);
471	void ev_io_stop (EV_P_ ev_io *w);	586	void ev_io_stop (EV_P_ ev_io *w);
472		587
473	void ev_timer_start (EV_P_ ev_timer *w);	588	void ev_timer_start (EV_P_ ev_timer *w);
…		…
493	void ev_stat_start (EV_P_ ev_stat *w);	608	void ev_stat_start (EV_P_ ev_stat *w);
494	void ev_stat_stop (EV_P_ ev_stat *w);	609	void ev_stat_stop (EV_P_ ev_stat *w);
495	void ev_stat_stat (EV_P_ ev_stat *w);	610	void ev_stat_stat (EV_P_ ev_stat *w);
496	# endif	611	# endif
497		612
		613	# if EV_IDLE_ENABLE
498	void ev_idle_start (EV_P_ ev_idle *w);	614	void ev_idle_start (EV_P_ ev_idle *w);
499	void ev_idle_stop (EV_P_ ev_idle *w);	615	void ev_idle_stop (EV_P_ ev_idle *w);
		616	# endif
500		617
501	void ev_prepare_start (EV_P_ ev_prepare *w);	618	void ev_prepare_start (EV_P_ ev_prepare *w);
502	void ev_prepare_stop (EV_P_ ev_prepare *w);	619	void ev_prepare_stop (EV_P_ ev_prepare *w);
503		620
504	void ev_check_start (EV_P_ ev_check *w);	621	void ev_check_start (EV_P_ ev_check *w);
…		…
514	void ev_embed_start (EV_P_ ev_embed *w);	631	void ev_embed_start (EV_P_ ev_embed *w);
515	void ev_embed_stop (EV_P_ ev_embed *w);	632	void ev_embed_stop (EV_P_ ev_embed *w);
516	void ev_embed_sweep (EV_P_ ev_embed *w);	633	void ev_embed_sweep (EV_P_ ev_embed *w);
517	# endif	634	# endif
518		635
		636	# if EV_ASYNC_ENABLE
		637	void ev_async_start (EV_P_ ev_async *w);
		638	void ev_async_stop (EV_P_ ev_async *w);
		639	void ev_async_send (EV_P_ ev_async *w);
		640	# endif
		641
519	#endif	642	#endif
520		643
521	#ifdef __cplusplus	644	#ifdef __cplusplus
522	}	645	}
523	#endif	646	#endif

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Comparing libev/ev.h (file contents): Revision 1.76 by root, Thu Nov 29 17:28:13 2007 UTC vs. Revision 1.111 by root, Mon Mar 16 21:15:06 2009 UTC

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Comparing libev/ev.h (file contents):
Revision 1.76 by root, Thu Nov 29 17:28:13 2007 UTC vs.
Revision 1.111 by root, Mon Mar 16 21:15:06 2009 UTC