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

Comparing libev/ev.h (file contents):
Revision 1.77 by root, Mon Dec 3 13:41:25 2007 UTC vs.
Revision 1.99 by root, Wed Apr 16 01:37:14 2008 UTC

…		…
1	/*	1	/*
		2	* libev native API header
		3	*
2	* Copyright (c) 2007 Marc Alexander Lehmann <libev@schmorp.de>	4	* Copyright (c) 2007,2008 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
		79	#endif
		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
65	#endif	88	#endif
66		89
67	/*****************************************************************************/	90	/*****************************************************************************/
68		91
69	#if EV_STAT_ENABLE	92	#if EV_STAT_ENABLE
…		…
75	struct ev_loop;	98	struct ev_loop;
76	# define EV_P struct ev_loop *loop	99	# define EV_P struct ev_loop *loop
77	# define EV_P_ EV_P,	100	# define EV_P_ EV_P,
78	# define EV_A loop	101	# define EV_A loop
79	# define EV_A_ EV_A,	102	# define EV_A_ EV_A,
		103	# define EV_DEFAULT_UC ev_default_loop_uc ()
		104	# define EV_DEFAULT_UC_ EV_DEFAULT_UC,
80	# define EV_DEFAULT ev_default_loop (0)	105	# define EV_DEFAULT ev_default_loop (0)
81	# define EV_DEFAULT_ EV_DEFAULT,	106	# define EV_DEFAULT_ EV_DEFAULT,
82	#else	107	#else
83	# define EV_P void	108	# define EV_P void
84	# define EV_P_	109	# define EV_P_
85	# define EV_A	110	# define EV_A
86	# define EV_A_	111	# define EV_A_
87	# define EV_DEFAULT	112	# define EV_DEFAULT
88	# define EV_DEFAULT_	113	# define EV_DEFAULT_
89		114	# define EV_DEFAULT_UC
		115	# define EV_DEFAULT_UC_
90	# undef EV_EMBED_ENABLE	116	# undef EV_EMBED_ENABLE
91	#endif	117	#endif
92		118
		119	#if __STDC_VERSION__ >= 199901L \|\| __GNUC__ >= 3
		120	# define EV_INLINE static inline
		121	#else
		122	# define EV_INLINE static
		123	#endif
		124
		125	/*****************************************************************************/
		126
93	/* eventmask, revents, events... */	127	/* eventmask, revents, events... */
94	#define EV_UNDEF -1L /* guaranteed to be invalid */	128	#define EV_UNDEF -1 /* guaranteed to be invalid */
95	#define EV_NONE 0x00L /* no events */	129	#define EV_NONE 0x00 /* no events */
96	#define EV_READ 0x01L /* ev_io detected read will not block */	130	#define EV_READ 0x01 /* ev_io detected read will not block */
97	#define EV_WRITE 0x02L /* ev_io detected write will not block */	131	#define EV_WRITE 0x02 /* ev_io detected write will not block */
		132	#define EV_IOFDSET 0x80 /* internal use only */
98	#define EV_TIMEOUT 0x00000100L /* timer timed out */	133	#define EV_TIMEOUT 0x00000100 /* timer timed out */
99	#define EV_PERIODIC 0x00000200L /* periodic timer timed out */	134	#define EV_PERIODIC 0x00000200 /* periodic timer timed out */
100	#define EV_SIGNAL 0x00000400L /* signal was received */	135	#define EV_SIGNAL 0x00000400 /* signal was received */
101	#define EV_CHILD 0x00000800L /* child/pid had status change */	136	#define EV_CHILD 0x00000800 /* child/pid had status change */
102	#define EV_STAT 0x00001000L /* stat data changed */	137	#define EV_STAT 0x00001000 /* stat data changed */
103	#define EV_IDLE 0x00002000L /* event loop is idling */	138	#define EV_IDLE 0x00002000 /* event loop is idling */
104	#define EV_PREPARE 0x00004000L /* event loop about to poll */	139	#define EV_PREPARE 0x00004000 /* event loop about to poll */
105	#define EV_CHECK 0x00008000L /* event loop finished poll */	140	#define EV_CHECK 0x00008000 /* event loop finished poll */
106	#define EV_EMBED 0x00010000L /* embedded event loop needs sweep */	141	#define EV_EMBED 0x00010000 /* embedded event loop needs sweep */
107	#define EV_FORK 0x00020000L /* event loop resumed in child */	142	#define EV_FORK 0x00020000 /* event loop resumed in child */
		143	#define EV_ASYNC 0x00040000 /* async intra-loop signal */
108	#define EV_ERROR 0x80000000L /* sent when an error occurs */	144	#define EV_ERROR 0x80000000 /* sent when an error occurs */
109		145
110	/* can be used to add custom fields to all watchers, while losing binary compatibility */	146	/* can be used to add custom fields to all watchers, while losing binary compatibility */
111	#ifndef EV_COMMON	147	#ifndef EV_COMMON
112	# define EV_COMMON void *data;	148	# define EV_COMMON void *data;
113	#endif	149	#endif
114	#ifndef EV_PROTOTYPES	150	#ifndef EV_PROTOTYPES
115	# define EV_PROTOTYPES 1	151	# define EV_PROTOTYPES 1
116	#endif	152	#endif
117		153
118	#define EV_VERSION_MAJOR 1	154	#define EV_VERSION_MAJOR 3
119	#define EV_VERSION_MINOR 1	155	#define EV_VERSION_MINOR 0
120		156
121	#ifndef EV_CB_DECLARE	157	#ifndef EV_CB_DECLARE
122	# define EV_CB_DECLARE(type) void (cb)(EV_P_ struct type w, int revents);	158	# define EV_CB_DECLARE(type) void (cb)(EV_P_ struct type w, int revents);
123	#endif	159	#endif
124	#ifndef EV_CB_INVOKE	160	#ifndef EV_CB_INVOKE
…		…
189	/* revent EV_PERIODIC */	225	/* revent EV_PERIODIC */
190	typedef struct ev_periodic	226	typedef struct ev_periodic
191	{	227	{
192	EV_WATCHER_TIME (ev_periodic)	228	EV_WATCHER_TIME (ev_periodic)
193		229
		230	ev_tstamp offset; /* rw */
194	ev_tstamp interval; /* rw */	231	ev_tstamp interval; /* rw */
195	ev_tstamp (reschedule_cb)(struct ev_periodic w, ev_tstamp now); /* rw */	232	ev_tstamp (reschedule_cb)(struct ev_periodic w, ev_tstamp now); /* rw */
196	} ev_periodic;	233	} ev_periodic;
197		234
198	/* invoked when the given signal has been received */	235	/* invoked when the given signal has been received */
…		…
209	/* does not support priorities */	246	/* does not support priorities */
210	typedef struct ev_child	247	typedef struct ev_child
211	{	248	{
212	EV_WATCHER_LIST (ev_child)	249	EV_WATCHER_LIST (ev_child)
213		250
		251	int flags; /* private */
214	int pid; /* ro */	252	int pid; /* ro */
215	int rpid; /* rw, holds the received pid */	253	int rpid; /* rw, holds the received pid */
216	int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */	254	int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */
217	} ev_child;	255	} ev_child;
218		256
…		…
238		276
239	int wd; /* wd for inotify, fd for kqueue */	277	int wd; /* wd for inotify, fd for kqueue */
240	} ev_stat;	278	} ev_stat;
241	#endif	279	#endif
242		280
		281	#if EV_IDLE_ENABLE
243	/* invoked when the nothing else needs to be done, keeps the process from blocking */	282	/* invoked when the nothing else needs to be done, keeps the process from blocking */
244	/* revent EV_IDLE */	283	/* revent EV_IDLE */
245	typedef struct ev_idle	284	typedef struct ev_idle
246	{	285	{
247	EV_WATCHER (ev_idle)	286	EV_WATCHER (ev_idle)
248	} ev_idle;	287	} ev_idle;
		288	#endif
249		289
250	/* invoked for each run of the mainloop, just before the blocking call */	290	/* invoked for each run of the mainloop, just before the blocking call */
251	/* you can still change events in any way you like */	291	/* you can still change events in any way you like */
252	/* revent EV_PREPARE */	292	/* revent EV_PREPARE */
253	typedef struct ev_prepare	293	typedef struct ev_prepare
…		…
275	/* the callback gets invoked when the event loop has handled events, and can be 0 */	315	/* the callback gets invoked when the event loop has handled events, and can be 0 */
276	typedef struct ev_embed	316	typedef struct ev_embed
277	{	317	{
278	EV_WATCHER (ev_embed)	318	EV_WATCHER (ev_embed)
279		319
280	ev_io io; /* private */
281	struct ev_loop loop; / ro */	320	struct ev_loop other; / ro */
		321	ev_io io; /* private */
		322	ev_prepare prepare; /* private */
		323	ev_check check; /* unused */
		324	ev_timer timer; /* unused */
		325	ev_periodic periodic; /* unused */
		326	ev_idle idle; /* unused */
		327	ev_fork fork; /* unused */
282	} ev_embed;	328	} ev_embed;
		329	#endif
		330
		331	#if EV_ASYNC_ENABLE
		332	/* invoked when somebody calls ev_async_send on the watcher */
		333	/* revent EV_ASYNC */
		334	typedef struct ev_async
		335	{
		336	EV_WATCHER (ev_async)
		337
		338	EV_ATOMIC_T sent; /* private */
		339	} ev_async;
		340
		341	# define ev_async_pending(w) ((w)->sent + 0)
283	#endif	342	#endif
284		343
285	/* the presence of this union forces similar struct layout */	344	/* the presence of this union forces similar struct layout */
286	union ev_any_watcher	345	union ev_any_watcher
287	{	346	{
…		…
294	struct ev_signal signal;	353	struct ev_signal signal;
295	struct ev_child child;	354	struct ev_child child;
296	#if EV_STAT_ENABLE	355	#if EV_STAT_ENABLE
297	struct ev_stat stat;	356	struct ev_stat stat;
298	#endif	357	#endif
		358	#if EV_IDLE_ENABLE
299	struct ev_idle idle;	359	struct ev_idle idle;
		360	#endif
300	struct ev_prepare prepare;	361	struct ev_prepare prepare;
301	struct ev_check check;	362	struct ev_check check;
302	#if EV_FORK_ENABLE	363	#if EV_FORK_ENABLE
303	struct ev_fork fork;	364	struct ev_fork fork;
304	#endif	365	#endif
305	#if EV_EMBED_ENABLE	366	#if EV_EMBED_ENABLE
306	struct ev_embed embed;	367	struct ev_embed embed;
307	#endif	368	#endif
		369	#if EV_ASYNC_ENABLE
		370	struct ev_async async;
		371	#endif
308	};	372	};
309		373
310	/* bits for ev_default_loop and ev_loop_new */	374	/* bits for ev_default_loop and ev_loop_new */
311	/* the default */	375	/* the default */
312	#define EVFLAG_AUTO 0x00000000UL /* not quite a mask */	376	#define EVFLAG_AUTO 0x00000000U /* not quite a mask */
313	/* flag bits */	377	/* flag bits */
314	#define EVFLAG_NOENV 0x01000000UL /* do NOT consult environment */	378	#define EVFLAG_NOENV 0x01000000U /* do NOT consult environment */
315	#define EVFLAG_FORKCHECK 0x02000000UL /* check for a fork in each iteration */	379	#define EVFLAG_FORKCHECK 0x02000000U /* check for a fork in each iteration */
316	/* method bits to be ored together */	380	/* method bits to be ored together */
317	#define EVBACKEND_SELECT 0x00000001UL /* about anywhere */	381	#define EVBACKEND_SELECT 0x00000001U /* about anywhere */
318	#define EVBACKEND_POLL 0x00000002UL /* !win */	382	#define EVBACKEND_POLL 0x00000002U /* !win */
319	#define EVBACKEND_EPOLL 0x00000004UL /* linux */	383	#define EVBACKEND_EPOLL 0x00000004U /* linux */
320	#define EVBACKEND_KQUEUE 0x00000008UL /* bsd */	384	#define EVBACKEND_KQUEUE 0x00000008U /* bsd */
321	#define EVBACKEND_DEVPOLL 0x00000010UL /* solaris 8 / / NYI */	385	#define EVBACKEND_DEVPOLL 0x00000010U /* solaris 8 / / NYI */
322	#define EVBACKEND_PORT 0x00000020UL /* solaris 10 */	386	#define EVBACKEND_PORT 0x00000020U /* solaris 10 */
323		387
324	#if EV_PROTOTYPES	388	#if EV_PROTOTYPES
325	int ev_version_major (void);	389	int ev_version_major (void);
326	int ev_version_minor (void);	390	int ev_version_minor (void);
327		391
328	unsigned int ev_supported_backends (void);	392	unsigned int ev_supported_backends (void);
329	unsigned int ev_recommended_backends (void);	393	unsigned int ev_recommended_backends (void);
330	unsigned int ev_embeddable_backends (void);	394	unsigned int ev_embeddable_backends (void);
331		395
332	ev_tstamp ev_time (void);	396	ev_tstamp ev_time (void);
		397	void ev_sleep (ev_tstamp delay); /* sleep for a while */
333		398
334	/* Sets the allocation function to use, works like realloc.	399	/* Sets the allocation function to use, works like realloc.
335	* It is used to allocate and free memory.	400	* It is used to allocate and free memory.
336	* If it returns zero when memory needs to be allocated, the library might abort	401	* If it returns zero when memory needs to be allocated, the library might abort
337	* or take some potentially destructive action.	402	* or take some potentially destructive action.
…		…
344	* (such as failed select, poll, epoll_wait)	409	* (such as failed select, poll, epoll_wait)
345	*/	410	*/
346	void ev_set_syserr_cb (void (cb)(const char msg));	411	void ev_set_syserr_cb (void (cb)(const char msg));
347		412
348	# if EV_MULTIPLICITY	413	# if EV_MULTIPLICITY
		414	EV_INLINE struct ev_loop *
		415	ev_default_loop_uc (void)
		416	{
		417	extern struct ev_loop *ev_default_loop_ptr;
		418
		419	return ev_default_loop_ptr;
		420	}
		421
349	/* the default loop is the only one that handles signals and child watchers */	422	/* the default loop is the only one that handles signals and child watchers */
350	/* you can call this as often as you like */	423	/* you can call this as often as you like */
351	static struct ev_loop *	424	EV_INLINE struct ev_loop *
352	ev_default_loop (unsigned int flags)	425	ev_default_loop (unsigned int flags)
353	{	426	{
354	extern struct ev_loop *ev_default_loop_ptr;	427	struct ev_loop *loop = ev_default_loop_uc ();
		428
		429	if (!loop)
		430	{
355	extern struct ev_loop *ev_default_loop_init (unsigned int flags);	431	extern struct ev_loop *ev_default_loop_init (unsigned int flags);
356		432
357	if (!ev_default_loop_ptr)
358	ev_default_loop_init (flags);	433	loop = ev_default_loop_init (flags);
		434	}
359		435
360	return ev_default_loop_ptr;	436	return loop;
361	}	437	}
362		438
363	/* create and destroy alternative loops that don't handle signals */	439	/* create and destroy alternative loops that don't handle signals */
364	struct ev_loop *ev_loop_new (unsigned int flags);	440	struct ev_loop *ev_loop_new (unsigned int flags);
365	void ev_loop_destroy (EV_P);	441	void ev_loop_destroy (EV_P);
…		…
369		445
370	# else	446	# else
371		447
372	int ev_default_loop (unsigned int flags); /* returns true when successful */	448	int ev_default_loop (unsigned int flags); /* returns true when successful */
373		449
374	static ev_tstamp	450	EV_INLINE ev_tstamp
375	ev_now (void)	451	ev_now (void)
376	{	452	{
377	extern ev_tstamp ev_rt_now;	453	extern ev_tstamp ev_rt_now;
378		454
379	return ev_rt_now;	455	return ev_rt_now;
380	}	456	}
381	# endif	457	# endif
		458
		459	EV_INLINE int
		460	ev_is_default_loop (EV_P)
		461	{
		462	#if EV_MULTIPLICITY
		463	extern struct ev_loop *ev_default_loop_ptr;
		464
		465	return !!(EV_A == ev_default_loop_ptr);
		466	#else
		467	return 1;
		468	#endif
		469	}
382		470
383	void ev_default_destroy (void); /* destroy the default loop */	471	void ev_default_destroy (void); /* destroy the default loop */
384	/* this needs to be called after fork, to duplicate the default loop */	472	/* 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 */	473	/* 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 */	474	/* you can call it in either the parent or the child */
387	/* you can actually call it at any time, anywhere :) */	475	/* you can actually call it at any time, anywhere :) */
388	void ev_default_fork (void);	476	void ev_default_fork (void);
389		477
390	unsigned int ev_backend (EV_P);	478	unsigned int ev_backend (EV_P); /* backend in use by loop */
391	unsigned int ev_loop_count (EV_P);	479	unsigned int ev_loop_count (EV_P); /* number of loop iterations */
392	#endif	480	#endif
393		481
394	#define EVLOOP_NONBLOCK 1 /* do not block/wait */	482	#define EVLOOP_NONBLOCK 1 /* do not block/wait */
395	#define EVLOOP_ONESHOT 2 /* block once only */	483	#define EVLOOP_ONESHOT 2 /* block once only */
396	#define EVUNLOOP_CANCEL 0 /* undo unloop */	484	#define EVUNLOOP_CANCEL 0 /* undo unloop */
…		…
398	#define EVUNLOOP_ALL 2 /* unloop all loops */	486	#define EVUNLOOP_ALL 2 /* unloop all loops */
399		487
400	#if EV_PROTOTYPES	488	#if EV_PROTOTYPES
401	void ev_loop (EV_P_ int flags);	489	void ev_loop (EV_P_ int flags);
402	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 */	490	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 */
		491
		492	void ev_set_io_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */
		493	void ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */
403		494
404	/*	495	/*
405	* ref/unref can be used to add or remove a refcount on the mainloop. every watcher	496	* ref/unref can be used to add or remove a refcount on the mainloop. every watcher
406	* keeps one reference. if you have a long-runing watcher you never unregister that	497	* keeps one reference. if you have a long-runing watcher you never unregister that
407	* should not keep ev_loop from running, unref() after starting, and ref() before stopping.	498	* should not keep ev_loop from running, unref() after starting, and ref() before stopping.
…		…
414	void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (cb)(int revents, void arg), void *arg);	505	void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (cb)(int revents, void arg), void *arg);
415	#endif	506	#endif
416		507
417	/* these may evaluate ev multiple times, and the other arguments at most once */	508	/* these may evaluate ev multiple times, and the other arguments at most once */
418	/* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */	509	/* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */
419	#define ev_init(ev,cb_) do { \	510	#define ev_init(ev,cb_) do { \
420	((ev_watcher )(void )(ev))->active = \	511	((ev_watcher )(void )(ev))->active = \
421	((ev_watcher )(void )(ev))->pending = \	512	((ev_watcher )(void )(ev))->pending = \
422	((ev_watcher )(void )(ev))->priority = 0; \	513	((ev_watcher )(void )(ev))->priority = 0; \
423	ev_set_cb ((ev), cb_); \	514	ev_set_cb ((ev), cb_); \
424	} while (0)	515	} while (0)
425		516
426	#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_); } while (0)	517	#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_) \| EV_IOFDSET; } while (0)
427	#define ev_timer_set(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); } while (0)	518	#define ev_timer_set(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); } while (0)
428	#define ev_periodic_set(ev,at_,ival_,res_) do { (ev)->at = (at_); (ev)->interval = (ival_); (ev)->reschedule_cb= (res_); } while (0)	519	#define ev_periodic_set(ev,ofs_,ival_,res_) do { (ev)->offset = (ofs_); (ev)->interval = (ival_); (ev)->reschedule_cb= (res_); } while (0)
429	#define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0)	520	#define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0)
430	#define ev_child_set(ev,pid_) do { (ev)->pid = (pid_); } while (0)	521	#define ev_child_set(ev,pid_,trace_) do { (ev)->pid = (pid_); (ev)->flags = !!(trace_); } while (0)
431	#define ev_stat_set(ev,path_,interval_) do { (ev)->path = (path_); (ev)->interval = (interval_); (ev)->wd = -2; } while (0)	522	#define ev_stat_set(ev,path_,interval_) do { (ev)->path = (path_); (ev)->interval = (interval_); (ev)->wd = -2; } while (0)
432	#define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */	523	#define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */
433	#define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */	524	#define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */
434	#define ev_check_set(ev) /* nop, yes, this is a serious in-joke */	525	#define ev_check_set(ev) /* nop, yes, this is a serious in-joke */
435	#define ev_embed_set(ev,loop_) do { (ev)->loop = (loop_); } while (0)	526	#define ev_embed_set(ev,other_) do { (ev)->other = (other_); } while (0)
436	#define ev_fork_set(ev) /* nop, yes, this is a serious in-joke */	527	#define ev_fork_set(ev) /* nop, yes, this is a serious in-joke */
		528	#define ev_async_set(ev) do { (ev)->sent = 0; } while (0)
437		529
438	#define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)	530	#define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)
439	#define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0)	531	#define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0)
440	#define ev_periodic_init(ev,cb,at,ival,res) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(at),(ival),(res)); } while (0)	532	#define ev_periodic_init(ev,cb,at,ival,res) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(at),(ival),(res)); } while (0)
441	#define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0)	533	#define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0)
442	#define ev_child_init(ev,cb,pid) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid)); } while (0)	534	#define ev_child_init(ev,cb,pid,trace) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid),(trace)); } while (0)
443	#define ev_stat_init(ev,cb,path,interval) do { ev_init ((ev), (cb)); ev_path_set ((ev),(path),(interval)); } while (0)	535	#define ev_stat_init(ev,cb,path,interval) do { ev_init ((ev), (cb)); ev_stat_set ((ev),(path),(interval)); } while (0)
444	#define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0)	536	#define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0)
445	#define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0)	537	#define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0)
446	#define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0)	538	#define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0)
447	#define ev_embed_init(ev,cb,loop) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(loop)); } while (0)	539	#define ev_embed_init(ev,cb,other) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(other)); } while (0)
448	#define ev_fork_init(ev,cb) do { ev_init ((ev), (cb)); ev_fork_set ((ev)); } while (0)	540	#define ev_fork_init(ev,cb) do { ev_init ((ev), (cb)); ev_fork_set ((ev)); } while (0)
		541	#define ev_async_init(ev,cb) do { ev_init ((ev), (cb)); ev_async_set ((ev)); } while (0)
449		542
450	#define ev_is_pending(ev) (0 + ((ev_watcher )(void )(ev))->pending) /* ro, true when watcher is waiting for callback invocation */	543	#define ev_is_pending(ev) (0 + ((ev_watcher )(void )(ev))->pending) /* ro, true when watcher is waiting for callback invocation */
451	#define ev_is_active(ev) (0 + ((ev_watcher )(void )(ev))->active) /* ro, true when the watcher has been started */	544	#define ev_is_active(ev) (0 + ((ev_watcher )(void )(ev))->active) /* ro, true when the watcher has been started */
452		545
453	#define ev_priority(ev) ((ev_watcher )(void )(ev))->priority /* rw */	546	#define ev_priority(ev) ((((ev_watcher )(void )(ev))->priority) + 0)
454	#define ev_cb(ev) (ev)->cb /* rw */	547	#define ev_cb(ev) (ev)->cb /* rw */
455	#define ev_set_priority(ev,pri) ev_priority (ev) = (pri)	548	#define ev_set_priority(ev,pri) ((ev_watcher )(void )(ev))->priority = (pri)
456		549
457	#ifndef ev_set_cb	550	#ifndef ev_set_cb
458	# define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_)	551	# define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_)
459	#endif	552	#endif
460		553
…		…
465	/* feeds an event into a watcher as if the event actually occured */	558	/* feeds an event into a watcher as if the event actually occured */
466	/* accepts any ev_watcher type */	559	/* accepts any ev_watcher type */
467	void ev_feed_event (EV_P_ void *w, int revents);	560	void ev_feed_event (EV_P_ void *w, int revents);
468	void ev_feed_fd_event (EV_P_ int fd, int revents);	561	void ev_feed_fd_event (EV_P_ int fd, int revents);
469	void ev_feed_signal_event (EV_P_ int signum);	562	void ev_feed_signal_event (EV_P_ int signum);
		563	void ev_invoke (EV_P_ void *w, int revents);
		564	int ev_clear_pending (EV_P_ void *w);
470		565
471	void ev_io_start (EV_P_ ev_io *w);	566	void ev_io_start (EV_P_ ev_io *w);
472	void ev_io_stop (EV_P_ ev_io *w);	567	void ev_io_stop (EV_P_ ev_io *w);
473		568
474	void ev_timer_start (EV_P_ ev_timer *w);	569	void ev_timer_start (EV_P_ ev_timer *w);
…		…
494	void ev_stat_start (EV_P_ ev_stat *w);	589	void ev_stat_start (EV_P_ ev_stat *w);
495	void ev_stat_stop (EV_P_ ev_stat *w);	590	void ev_stat_stop (EV_P_ ev_stat *w);
496	void ev_stat_stat (EV_P_ ev_stat *w);	591	void ev_stat_stat (EV_P_ ev_stat *w);
497	# endif	592	# endif
498		593
		594	# if EV_IDLE_ENABLE
499	void ev_idle_start (EV_P_ ev_idle *w);	595	void ev_idle_start (EV_P_ ev_idle *w);
500	void ev_idle_stop (EV_P_ ev_idle *w);	596	void ev_idle_stop (EV_P_ ev_idle *w);
		597	# endif
501		598
502	void ev_prepare_start (EV_P_ ev_prepare *w);	599	void ev_prepare_start (EV_P_ ev_prepare *w);
503	void ev_prepare_stop (EV_P_ ev_prepare *w);	600	void ev_prepare_stop (EV_P_ ev_prepare *w);
504		601
505	void ev_check_start (EV_P_ ev_check *w);	602	void ev_check_start (EV_P_ ev_check *w);
…		…
515	void ev_embed_start (EV_P_ ev_embed *w);	612	void ev_embed_start (EV_P_ ev_embed *w);
516	void ev_embed_stop (EV_P_ ev_embed *w);	613	void ev_embed_stop (EV_P_ ev_embed *w);
517	void ev_embed_sweep (EV_P_ ev_embed *w);	614	void ev_embed_sweep (EV_P_ ev_embed *w);
518	# endif	615	# endif
519		616
		617	# if EV_ASYNC_ENABLE
		618	void ev_async_start (EV_P_ ev_async *w);
		619	void ev_async_stop (EV_P_ ev_async *w);
		620	void ev_async_send (EV_P_ ev_async *w);
		621	# endif
		622
520	#endif	623	#endif
521		624
522	#ifdef __cplusplus	625	#ifdef __cplusplus
523	}	626	}
524	#endif	627	#endif

Diff Legend

-–
+Removed lines
-+
+Added lines
-<
+Changed lines
->
+Changed lines

Comparing libev/ev.h (file contents): Revision 1.77 by root, Mon Dec 3 13:41:25 2007 UTC vs. Revision 1.99 by root, Wed Apr 16 01:37:14 2008 UTC

Diff Legend

Comparing libev/ev.h (file contents):
Revision 1.77 by root, Mon Dec 3 13:41:25 2007 UTC vs.
Revision 1.99 by root, Wed Apr 16 01:37:14 2008 UTC