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

Comparing libev/ev.h (file contents):
Revision 1.49 by root, Sat Nov 10 21:19:30 2007 UTC vs.
Revision 1.91 by root, Fri Jan 25 15:45:09 2008 UTC

…		…
1	/*	1	/*
		2	* libev native API header
		3	*
2	* Copyright (c) 2007 Marc Alexander Lehmann <libev@schmorp.de>	4	* Copyright (c) 2007 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
44	# define EV_MAXPRI +2	54	# define EV_MAXPRI +2
45	#endif	55	#endif
46		56
47	#ifndef EV_MULTIPLICITY	57	#ifndef EV_MULTIPLICITY
48	# define EV_MULTIPLICITY 1	58	# define EV_MULTIPLICITY 1
		59	#endif
		60
		61	#ifndef EV_PERIODIC_ENABLE
		62	# define EV_PERIODIC_ENABLE 1
		63	#endif
		64
		65	#ifndef EV_STAT_ENABLE
		66	# define EV_STAT_ENABLE 1
		67	#endif
		68
		69	#ifndef EV_IDLE_ENABLE
		70	# define EV_IDLE_ENABLE 1
		71	#endif
		72
		73	#ifndef EV_FORK_ENABLE
		74	# define EV_FORK_ENABLE 1
		75	#endif
		76
		77	#ifndef EV_EMBED_ENABLE
		78	# define EV_EMBED_ENABLE 1
		79	#endif
		80
		81	/*****************************************************************************/
		82
		83	#if EV_STAT_ENABLE
		84	# include <sys/stat.h>
49	#endif	85	#endif
50		86
51	/* support multiple event loops? */	87	/* support multiple event loops? */
52	#if EV_MULTIPLICITY	88	#if EV_MULTIPLICITY
53	struct ev_loop;	89	struct ev_loop;
54	# define EV_P struct ev_loop *loop	90	# define EV_P struct ev_loop *loop
55	# define EV_P_ EV_P,	91	# define EV_P_ EV_P,
56	# define EV_A loop	92	# define EV_A loop
57	# define EV_A_ EV_A,	93	# define EV_A_ EV_A,
58	# define EV_DEFAULT_A ev_default_loop (0)	94	# define EV_DEFAULT ev_default_loop (0)
59	# define EV_DEFAULT_A_ EV_DEFAULT_A,	95	# define EV_DEFAULT_ EV_DEFAULT,
60	#else	96	#else
61	# define EV_P void	97	# define EV_P void
62	# define EV_P_	98	# define EV_P_
63	# define EV_A	99	# define EV_A
64	# define EV_A_	100	# define EV_A_
		101	# define EV_DEFAULT
65	# define EV_DEFAULT_A	102	# define EV_DEFAULT_
66	# define EV_DEFAULT_A_	103
		104	# undef EV_EMBED_ENABLE
67	#endif	105	#endif
68		106
69	/* eventmask, revents, events... */	107	/* eventmask, revents, events... */
70	#define EV_UNDEF -1 /* guaranteed to be invalid */	108	#define EV_UNDEF -1L /* guaranteed to be invalid */
71	#define EV_NONE 0x00	109	#define EV_NONE 0x00L /* no events */
72	#define EV_READ 0x01	110	#define EV_READ 0x01L /* ev_io detected read will not block */
73	#define EV_WRITE 0x02	111	#define EV_WRITE 0x02L /* ev_io detected write will not block */
74	#define EV_TIMEOUT 0x000100	112	#define EV_IOFDSET 0x80L /* internal use only */
75	#define EV_PERIODIC 0x000200	113	#define EV_TIMEOUT 0x00000100L /* timer timed out */
76	#define EV_SIGNAL 0x000400	114	#define EV_PERIODIC 0x00000200L /* periodic timer timed out */
77	#define EV_IDLE 0x000800	115	#define EV_SIGNAL 0x00000400L /* signal was received */
78	#define EV_CHECK 0x001000	116	#define EV_CHILD 0x00000800L /* child/pid had status change */
79	#define EV_PREPARE 0x002000	117	#define EV_STAT 0x00001000L /* stat data changed */
80	#define EV_CHILD 0x004000	118	#define EV_IDLE 0x00002000L /* event loop is idling */
		119	#define EV_PREPARE 0x00004000L /* event loop about to poll */
		120	#define EV_CHECK 0x00008000L /* event loop finished poll */
		121	#define EV_EMBED 0x00010000L /* embedded event loop needs sweep */
		122	#define EV_FORK 0x00020000L /* event loop resumed in child */
81	#define EV_ERROR 0x800000 /* sent when an error occurs */	123	#define EV_ERROR 0x80000000L /* sent when an error occurs */
82		124
83	/* can be used to add custom fields to all watchers */	125	/* can be used to add custom fields to all watchers, while losing binary compatibility */
84	#ifndef EV_COMMON	126	#ifndef EV_COMMON
85	# define EV_COMMON void *data	127	# define EV_COMMON void *data;
86	#endif	128	#endif
87	#ifndef EV_PROTOTYPES	129	#ifndef EV_PROTOTYPES
88	# define EV_PROTOTYPES 1	130	# define EV_PROTOTYPES 1
89	#endif	131	#endif
90		132
91	#define EV_VERSION_MAJOR 1	133	#define EV_VERSION_MAJOR 3
92	#define EV_VERSION_MINOR 1	134	#define EV_VERSION_MINOR 0
93		135
94	#ifndef EV_CB_DECLARE	136	#ifndef EV_CB_DECLARE
95	# define EV_CB_DECLARE(type) void (cb)(EV_P_ struct type w, int revents);	137	# define EV_CB_DECLARE(type) void (cb)(EV_P_ struct type w, int revents);
96	#endif	138	#endif
97	#ifndef EV_CB_INVOKE	139	#ifndef EV_CB_INVOKE
…		…
108	/* shared by all watchers */	150	/* shared by all watchers */
109	#define EV_WATCHER(type) \	151	#define EV_WATCHER(type) \
110	int active; /* private */ \	152	int active; /* private */ \
111	int pending; /* private */ \	153	int pending; /* private */ \
112	int priority; /* private */ \	154	int priority; /* private */ \
113	EV_COMMON; /* rw */ \	155	EV_COMMON /* rw */ \
114	EV_CB_DECLARE (type) /* private */	156	EV_CB_DECLARE (type) /* private */
115		157
116	#define EV_WATCHER_LIST(type) \	158	#define EV_WATCHER_LIST(type) \
117	EV_WATCHER (type); \	159	EV_WATCHER (type) \
118	struct ev_watcher_list next / private */	160	struct ev_watcher_list next; / private */
119		161
120	#define EV_WATCHER_TIME(type) \	162	#define EV_WATCHER_TIME(type) \
121	EV_WATCHER (type); \	163	EV_WATCHER (type) \
122	ev_tstamp at /* private */	164	ev_tstamp at; /* private */
123		165
124	/* base class, nothing to see here unless you subclass */	166	/* base class, nothing to see here unless you subclass */
125	struct ev_watcher	167	typedef struct ev_watcher
126	{	168	{
127	EV_WATCHER (ev_watcher);	169	EV_WATCHER (ev_watcher)
128	};	170	} ev_watcher;
129		171
130	/* base class, nothing to see here unless you subclass */	172	/* base class, nothing to see here unless you subclass */
131	struct ev_watcher_list	173	typedef struct ev_watcher_list
132	{	174	{
133	EV_WATCHER_LIST (ev_watcher_list);	175	EV_WATCHER_LIST (ev_watcher_list)
134	};	176	} ev_watcher_list;
135		177
136	/* base class, nothing to see here unless you subclass */	178	/* base class, nothing to see here unless you subclass */
137	struct ev_watcher_time	179	typedef struct ev_watcher_time
138	{	180	{
139	EV_WATCHER_TIME (ev_watcher_time);	181	EV_WATCHER_TIME (ev_watcher_time)
140	};	182	} ev_watcher_time;
		183
		184	/* invoked when fd is either EV_READable or EV_WRITEable */
		185	/* revent EV_READ, EV_WRITE */
		186	typedef struct ev_io
		187	{
		188	EV_WATCHER_LIST (ev_io)
		189
		190	int fd; /* ro */
		191	int events; /* ro */
		192	} ev_io;
141		193
142	/* invoked after a specific time, repeatable (based on monotonic clock) */	194	/* invoked after a specific time, repeatable (based on monotonic clock) */
143	/* revent EV_TIMEOUT */	195	/* revent EV_TIMEOUT */
144	struct ev_timer	196	typedef struct ev_timer
145	{	197	{
146	EV_WATCHER_TIME (ev_timer);	198	EV_WATCHER_TIME (ev_timer)
147		199
148	ev_tstamp repeat; /* rw */	200	ev_tstamp repeat; /* rw */
149	};	201	} ev_timer;
150		202
151	/* invoked at some specific time, possibly repeating at regular intervals (based on UTC) */	203	/* invoked at some specific time, possibly repeating at regular intervals (based on UTC) */
152	/* revent EV_PERIODIC */	204	/* revent EV_PERIODIC */
153	struct ev_periodic	205	typedef struct ev_periodic
154	{	206	{
155	EV_WATCHER_TIME (ev_periodic);	207	EV_WATCHER_TIME (ev_periodic)
156		208
		209	ev_tstamp offset; /* rw */
157	ev_tstamp interval; /* rw */	210	ev_tstamp interval; /* rw */
158	ev_tstamp (reschedule_cb)(struct ev_periodic w, ev_tstamp now); /* rw */	211	ev_tstamp (reschedule_cb)(struct ev_periodic w, ev_tstamp now); /* rw */
159	};	212	} ev_periodic;
160
161	/* invoked when fd is either EV_READable or EV_WRITEable */
162	/* revent EV_READ, EV_WRITE */
163	struct ev_io
164	{
165	EV_WATCHER_LIST (ev_io);
166
167	int fd; /* ro */
168	int events; /* ro */
169	};
170		213
171	/* invoked when the given signal has been received */	214	/* invoked when the given signal has been received */
172	/* revent EV_SIGNAL */	215	/* revent EV_SIGNAL */
173	struct ev_signal	216	typedef struct ev_signal
174	{	217	{
175	EV_WATCHER_LIST (ev_signal);	218	EV_WATCHER_LIST (ev_signal)
176		219
177	int signum; /* ro */	220	int signum; /* ro */
178	};	221	} ev_signal;
179		222
		223	/* invoked when sigchld is received and waitpid indicates the given pid */
		224	/* revent EV_CHILD */
		225	/* does not support priorities */
		226	typedef struct ev_child
		227	{
		228	EV_WATCHER_LIST (ev_child)
		229
		230	int flags; /* private */
		231	int pid; /* ro */
		232	int rpid; /* rw, holds the received pid */
		233	int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */
		234	} ev_child;
		235
		236	#if EV_STAT_ENABLE
		237	/* st_nlink = 0 means missing file or other error */
		238	# ifdef _WIN32
		239	typedef struct _stati64 ev_statdata;
		240	# else
		241	typedef struct stat ev_statdata;
		242	# endif
		243
		244	/* invoked each time the stat data changes for a given path */
		245	/* revent EV_STAT */
		246	typedef struct ev_stat
		247	{
		248	EV_WATCHER_LIST (ev_stat)
		249
		250	ev_timer timer; /* private */
		251	ev_tstamp interval; /* ro */
		252	const char path; / ro */
		253	ev_statdata prev; /* ro */
		254	ev_statdata attr; /* ro */
		255
		256	int wd; /* wd for inotify, fd for kqueue */
		257	} ev_stat;
		258	#endif
		259
		260	#if EV_IDLE_ENABLE
180	/* invoked when the nothing else needs to be done, keeps the process from blocking */	261	/* invoked when the nothing else needs to be done, keeps the process from blocking */
181	/* revent EV_IDLE */	262	/* revent EV_IDLE */
182	struct ev_idle	263	typedef struct ev_idle
183	{	264	{
184	EV_WATCHER (ev_idle);	265	EV_WATCHER (ev_idle)
185	};	266	} ev_idle;
		267	#endif
186		268
187	/* invoked for each run of the mainloop, just before the blocking call */	269	/* invoked for each run of the mainloop, just before the blocking call */
188	/* you can still change events in any way you like */	270	/* you can still change events in any way you like */
189	/* revent EV_PREPARE */	271	/* revent EV_PREPARE */
190	struct ev_prepare	272	typedef struct ev_prepare
191	{	273	{
192	EV_WATCHER (ev_prepare);	274	EV_WATCHER (ev_prepare)
193	};	275	} ev_prepare;
194		276
195	/* invoked for each run of the mainloop, just after the blocking call */	277	/* invoked for each run of the mainloop, just after the blocking call */
196	/* revent EV_CHECK */	278	/* revent EV_CHECK */
197	struct ev_check	279	typedef struct ev_check
198	{	280	{
199	EV_WATCHER (ev_check);	281	EV_WATCHER (ev_check)
200	};	282	} ev_check;
201		283
202	/* invoked when sigchld is received and waitpid indicates the givne pid */	284	#if EV_FORK_ENABLE
203	/* revent EV_CHILD */	285	/* the callback gets invoked before check in the child process when a fork was detected */
204	/* does not support priorities */	286	typedef struct ev_fork
205	struct ev_child
206	{	287	{
207	EV_WATCHER_LIST (ev_child);	288	EV_WATCHER (ev_fork)
		289	} ev_fork;
		290	#endif
208		291
209	int pid; /* ro */	292	#if EV_EMBED_ENABLE
210	int rpid; /* rw, holds the received pid */	293	/* used to embed an event loop inside another */
211	int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */	294	/* the callback gets invoked when the event loop has handled events, and can be 0 */
212	};	295	typedef struct ev_embed
		296	{
		297	EV_WATCHER (ev_embed)
		298
		299	struct ev_loop other; / ro */
		300	ev_io io; /* private */
		301	ev_prepare prepare; /* private */
		302	ev_check check; /* unused */
		303	ev_timer timer; /* unused */
		304	ev_periodic periodic; /* unused */
		305	ev_idle idle; /* unused */
		306	ev_fork fork; /* unused */
		307	} ev_embed;
		308	#endif
213		309
214	/* the presence of this union forces similar struct layout */	310	/* the presence of this union forces similar struct layout */
215	union ev_any_watcher	311	union ev_any_watcher
216	{	312	{
217	struct ev_watcher w;	313	struct ev_watcher w;
218	struct ev_watcher_list wl;	314	struct ev_watcher_list wl;
219		315
220	struct ev_io io;	316	struct ev_io io;
221	struct ev_timer timer;	317	struct ev_timer timer;
222	struct ev_periodic periodic;	318	struct ev_periodic periodic;
		319	struct ev_signal signal;
		320	struct ev_child child;
		321	#if EV_STAT_ENABLE
		322	struct ev_stat stat;
		323	#endif
		324	#if EV_IDLE_ENABLE
223	struct ev_idle idle;	325	struct ev_idle idle;
		326	#endif
224	struct ev_prepare prepare;	327	struct ev_prepare prepare;
225	struct ev_check check;	328	struct ev_check check;
226	struct ev_signal signal;	329	#if EV_FORK_ENABLE
227	struct ev_child child;	330	struct ev_fork fork;
		331	#endif
		332	#if EV_EMBED_ENABLE
		333	struct ev_embed embed;
		334	#endif
228	};	335	};
229		336
230	#define EVMETHOD_AUTO 0 /* consults environment */	337	/* bits for ev_default_loop and ev_loop_new */
231	#define EVMETHOD_SELECT 1	338	/* the default */
232	#define EVMETHOD_POLL 2	339	#define EVFLAG_AUTO 0x00000000UL /* not quite a mask */
233	#define EVMETHOD_EPOLL 4	340	/* flag bits */
234	#define EVMETHOD_KQUEUE 8	341	#define EVFLAG_NOENV 0x01000000UL /* do NOT consult environment */
235	#define EVMETHOD_DEVPOLL 16 /* NYI */	342	#define EVFLAG_FORKCHECK 0x02000000UL /* check for a fork in each iteration */
236	#define EVMETHOD_PORT 32 /* NYI */	343	/* method bits to be ored together */
237	#define EVMETHOD_WIN32 64 /* NYI */	344	#define EVBACKEND_SELECT 0x00000001UL /* about anywhere */
238	#define EVMETHOD_ANY ~0 /* any method, do not consult env */	345	#define EVBACKEND_POLL 0x00000002UL /* !win */
		346	#define EVBACKEND_EPOLL 0x00000004UL /* linux */
		347	#define EVBACKEND_KQUEUE 0x00000008UL /* bsd */
		348	#define EVBACKEND_DEVPOLL 0x00000010UL /* solaris 8 / / NYI */
		349	#define EVBACKEND_PORT 0x00000020UL /* solaris 10 */
239		350
240	#if EV_PROTOTYPES	351	#if EV_PROTOTYPES
241	int ev_version_major (void);	352	int ev_version_major (void);
242	int ev_version_minor (void);	353	int ev_version_minor (void);
243		354
		355	unsigned int ev_supported_backends (void);
		356	unsigned int ev_recommended_backends (void);
		357	unsigned int ev_embeddable_backends (void);
		358
244	ev_tstamp ev_time (void);	359	ev_tstamp ev_time (void);
		360	void ev_sleep (ev_tstamp delay); /* sleep for a while */
245		361
246	/* Sets the allocation function to use, works like realloc.	362	/* Sets the allocation function to use, works like realloc.
247	* It is used to allocate and free memory.	363	* It is used to allocate and free memory.
248	* If it returns zero when memory needs to be allocated, the library might abort	364	* If it returns zero when memory needs to be allocated, the library might abort
249	* or take some potentially destructive action.	365	* or take some potentially destructive action.
…		…
258	void ev_set_syserr_cb (void (cb)(const char msg));	374	void ev_set_syserr_cb (void (cb)(const char msg));
259		375
260	# if EV_MULTIPLICITY	376	# if EV_MULTIPLICITY
261	/* the default loop is the only one that handles signals and child watchers */	377	/* the default loop is the only one that handles signals and child watchers */
262	/* you can call this as often as you like */	378	/* you can call this as often as you like */
263	struct ev_loop ev_default_loop (int methods); / returns default loop */	379	static struct ev_loop *
		380	ev_default_loop (unsigned int flags)
		381	{
		382	extern struct ev_loop *ev_default_loop_ptr;
		383	extern struct ev_loop *ev_default_loop_init (unsigned int flags);
		384
		385	if (!ev_default_loop_ptr)
		386	ev_default_loop_init (flags);
		387
		388	return ev_default_loop_ptr;
		389	}
264		390
265	/* create and destroy alternative loops that don't handle signals */	391	/* create and destroy alternative loops that don't handle signals */
266	struct ev_loop *ev_loop_new (int methods);	392	struct ev_loop *ev_loop_new (unsigned int flags);
267	void ev_loop_destroy (EV_P);	393	void ev_loop_destroy (EV_P);
268	void ev_loop_fork (EV_P);	394	void ev_loop_fork (EV_P);
269		395
270	ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */	396	ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */
271		397
272	# else	398	# else
273		399
274	int ev_default_loop (int methods); /* returns true when successful */	400	int ev_default_loop (unsigned int flags); /* returns true when successful */
275		401
276	static ev_tstamp	402	static ev_tstamp
277	ev_now ()	403	ev_now (void)
278	{	404	{
279	extern ev_tstamp ev_rt_now;	405	extern ev_tstamp ev_rt_now;
280		406
281	return ev_rt_now;	407	return ev_rt_now;
282	}	408	}
…		…
287	/* if you create alternative loops you have to call ev_loop_fork on them */	413	/* if you create alternative loops you have to call ev_loop_fork on them */
288	/* you can call it in either the parent or the child */	414	/* you can call it in either the parent or the child */
289	/* you can actually call it at any time, anywhere :) */	415	/* you can actually call it at any time, anywhere :) */
290	void ev_default_fork (void);	416	void ev_default_fork (void);
291		417
292	int ev_method (EV_P);	418	unsigned int ev_backend (EV_P); /* backend in use by loop */
		419	unsigned int ev_loop_count (EV_P); /* number of loop iterations */
293	#endif	420	#endif
294		421
295	#define EVLOOP_NONBLOCK 1 /* do not block/wait */	422	#define EVLOOP_NONBLOCK 1 /* do not block/wait */
296	#define EVLOOP_ONESHOT 2 /* block once only */	423	#define EVLOOP_ONESHOT 2 /* block once only */
		424	#define EVUNLOOP_CANCEL 0 /* undo unloop */
297	#define EVUNLOOP_ONCE 1 /* unloop once */	425	#define EVUNLOOP_ONE 1 /* unloop once */
298	#define EVUNLOOP_ALL 2 /* unloop all loops */	426	#define EVUNLOOP_ALL 2 /* unloop all loops */
299		427
300	#if EV_PROTOTYPES	428	#if EV_PROTOTYPES
301	void ev_loop (EV_P_ int flags);	429	void ev_loop (EV_P_ int flags);
302	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 */	430	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 */
		431
		432	void ev_set_io_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */
		433	void ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */
303		434
304	/*	435	/*
305	* ref/unref can be used to add or remove a refcount on the mainloop. every watcher	436	* ref/unref can be used to add or remove a refcount on the mainloop. every watcher
306	* keeps one reference. if you have a long-runing watcher you never unregister that	437	* keeps one reference. if you have a long-runing watcher you never unregister that
307	* should not keep ev_loop from running, unref() after starting, and ref() before stopping.	438	* should not keep ev_loop from running, unref() after starting, and ref() before stopping.
…		…
314	void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (cb)(int revents, void arg), void *arg);	445	void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (cb)(int revents, void arg), void *arg);
315	#endif	446	#endif
316		447
317	/* these may evaluate ev multiple times, and the other arguments at most once */	448	/* these may evaluate ev multiple times, and the other arguments at most once */
318	/* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */	449	/* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */
319	#define ev_init(ev,cb_) do { \	450	#define ev_init(ev,cb_) do { \
320	((struct ev_watcher )(void )(ev))->active = \	451	((ev_watcher )(void )(ev))->active = \
321	((struct ev_watcher )(void )(ev))->pending = \	452	((ev_watcher )(void )(ev))->pending = \
322	((struct ev_watcher )(void )(ev))->priority = 0; \	453	((ev_watcher )(void )(ev))->priority = 0; \
323	ev_set_cb ((ev), cb_); \	454	ev_set_cb ((ev), cb_); \
324	} while (0)	455	} while (0)
325		456
326	#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_); } while (0)	457	#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_) \| EV_IOFDSET; } while (0)
327	#define ev_timer_set(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); } while (0)	458	#define ev_timer_set(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); } while (0)
328	#define ev_periodic_set(ev,at_,ival_,res_) do { (ev)->at = (at_); (ev)->interval = (ival_); (ev)->reschedule_cb= (res_); } while (0)	459	#define ev_periodic_set(ev,ofs_,ival_,res_) do { (ev)->offset = (ofs_); (ev)->interval = (ival_); (ev)->reschedule_cb= (res_); } while (0)
329	#define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0)	460	#define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0)
		461	#define ev_child_set(ev,pid_,trace_) do { (ev)->pid = (pid_); (ev)->flags = !!(trace_); } while (0)
		462	#define ev_stat_set(ev,path_,interval_) do { (ev)->path = (path_); (ev)->interval = (interval_); (ev)->wd = -2; } while (0)
330	#define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */	463	#define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */
331	#define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */	464	#define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */
332	#define ev_check_set(ev) /* nop, yes, this is a serious in-joke */	465	#define ev_check_set(ev) /* nop, yes, this is a serious in-joke */
333	#define ev_child_set(ev,pid_) do { (ev)->pid = (pid_); } while (0)	466	#define ev_embed_set(ev,other_) do { (ev)->other = (other_); } while (0)
		467	#define ev_fork_set(ev) /* nop, yes, this is a serious in-joke */
334		468
335	#define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)	469	#define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)
336	#define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0)	470	#define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0)
337	#define ev_periodic_init(ev,cb,at,ival,res) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(at),(ival),(res)); } while (0)	471	#define ev_periodic_init(ev,cb,at,ival,res) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(at),(ival),(res)); } while (0)
338	#define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0)	472	#define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0)
		473	#define ev_child_init(ev,cb,pid,trace) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid),(trace)); } while (0)
		474	#define ev_stat_init(ev,cb,path,interval) do { ev_init ((ev), (cb)); ev_stat_set ((ev),(path),(interval)); } while (0)
339	#define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0)	475	#define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0)
340	#define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0)	476	#define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0)
341	#define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0)	477	#define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0)
342	#define ev_child_init(ev,cb,pid) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid)); } while (0)	478	#define ev_embed_init(ev,cb,other) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(other)); } while (0)
		479	#define ev_fork_init(ev,cb) do { ev_init ((ev), (cb)); ev_fork_set ((ev)); } while (0)
343		480
344	#define ev_is_pending(ev) (0 + ((struct ev_watcher )(void )(ev))->pending) /* ro, true when watcher is waiting for callback invocation */	481	#define ev_is_pending(ev) (0 + ((ev_watcher )(void )(ev))->pending) /* ro, true when watcher is waiting for callback invocation */
345	#define ev_is_active(ev) (0 + ((struct ev_watcher )(void )(ev))->active) /* ro, true when the watcher has been started */	482	#define ev_is_active(ev) (0 + ((ev_watcher )(void )(ev))->active) /* ro, true when the watcher has been started */
346		483
347	#define ev_priority(ev) ((struct ev_watcher )(void )(ev))->priority /* rw */	484	#define ev_priority(ev) ((((ev_watcher )(void )(ev))->priority) + 0)
348	#define ev_cb(ev) (ev)->cb /* rw */	485	#define ev_cb(ev) (ev)->cb /* rw */
349	#define ev_set_priority(ev,pri) ev_priority (ev) = (pri)	486	#define ev_set_priority(ev,pri) ((ev_watcher )(void )(ev))->priority = (pri)
350		487
351	#ifndef ev_set_cb	488	#ifndef ev_set_cb
352	# define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_)	489	# define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_)
353	#endif	490	#endif
354		491
…		…
359	/* feeds an event into a watcher as if the event actually occured */	496	/* feeds an event into a watcher as if the event actually occured */
360	/* accepts any ev_watcher type */	497	/* accepts any ev_watcher type */
361	void ev_feed_event (EV_P_ void *w, int revents);	498	void ev_feed_event (EV_P_ void *w, int revents);
362	void ev_feed_fd_event (EV_P_ int fd, int revents);	499	void ev_feed_fd_event (EV_P_ int fd, int revents);
363	void ev_feed_signal_event (EV_P_ int signum);	500	void ev_feed_signal_event (EV_P_ int signum);
		501	void ev_invoke (EV_P_ void *w, int revents);
		502	int ev_clear_pending (EV_P_ void *w);
364		503
365	void ev_io_start (EV_P_ struct ev_io *w);	504	void ev_io_start (EV_P_ ev_io *w);
366	void ev_io_stop (EV_P_ struct ev_io *w);	505	void ev_io_stop (EV_P_ ev_io *w);
367		506
368	void ev_timer_start (EV_P_ struct ev_timer *w);	507	void ev_timer_start (EV_P_ ev_timer *w);
369	void ev_timer_stop (EV_P_ struct ev_timer *w);	508	void ev_timer_stop (EV_P_ ev_timer *w);
370	/* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */	509	/* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */
371	void ev_timer_again (EV_P_ struct ev_timer *w);	510	void ev_timer_again (EV_P_ ev_timer *w);
372		511
		512	#if EV_PERIODIC_ENABLE
373	void ev_periodic_start (EV_P_ struct ev_periodic *w);	513	void ev_periodic_start (EV_P_ ev_periodic *w);
374	void ev_periodic_stop (EV_P_ struct ev_periodic *w);	514	void ev_periodic_stop (EV_P_ ev_periodic *w);
375	void ev_periodic_again (EV_P_ struct ev_periodic *w);	515	void ev_periodic_again (EV_P_ ev_periodic *w);
376		516	#endif
377	void ev_idle_start (EV_P_ struct ev_idle *w);
378	void ev_idle_stop (EV_P_ struct ev_idle *w);
379
380	void ev_prepare_start (EV_P_ struct ev_prepare *w);
381	void ev_prepare_stop (EV_P_ struct ev_prepare *w);
382
383	void ev_check_start (EV_P_ struct ev_check *w);
384	void ev_check_stop (EV_P_ struct ev_check *w);
385		517
386	/* only supported in the default loop */	518	/* only supported in the default loop */
387	void ev_signal_start (EV_P_ struct ev_signal *w);	519	void ev_signal_start (EV_P_ ev_signal *w);
388	void ev_signal_stop (EV_P_ struct ev_signal *w);	520	void ev_signal_stop (EV_P_ ev_signal *w);
389		521
390	/* only supported in the default loop */	522	/* only supported in the default loop */
391	void ev_child_start (EV_P_ struct ev_child *w);	523	void ev_child_start (EV_P_ ev_child *w);
392	void ev_child_stop (EV_P_ struct ev_child *w);	524	void ev_child_stop (EV_P_ ev_child *w);
		525
		526	# if EV_STAT_ENABLE
		527	void ev_stat_start (EV_P_ ev_stat *w);
		528	void ev_stat_stop (EV_P_ ev_stat *w);
		529	void ev_stat_stat (EV_P_ ev_stat *w);
		530	# endif
		531
		532	# if EV_IDLE_ENABLE
		533	void ev_idle_start (EV_P_ ev_idle *w);
		534	void ev_idle_stop (EV_P_ ev_idle *w);
		535	# endif
		536
		537	void ev_prepare_start (EV_P_ ev_prepare *w);
		538	void ev_prepare_stop (EV_P_ ev_prepare *w);
		539
		540	void ev_check_start (EV_P_ ev_check *w);
		541	void ev_check_stop (EV_P_ ev_check *w);
		542
		543	# if EV_FORK_ENABLE
		544	void ev_fork_start (EV_P_ ev_fork *w);
		545	void ev_fork_stop (EV_P_ ev_fork *w);
		546	# endif
		547
		548	# if EV_EMBED_ENABLE
		549	/* only supported when loop to be embedded is in fact embeddable */
		550	void ev_embed_start (EV_P_ ev_embed *w);
		551	void ev_embed_stop (EV_P_ ev_embed *w);
		552	void ev_embed_sweep (EV_P_ ev_embed *w);
		553	# endif
		554
393	#endif	555	#endif
394		556
395	#ifdef __cplusplus	557	#ifdef __cplusplus
396	}	558	}
397	#endif	559	#endif

Diff Legend

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

Comparing libev/ev.h (file contents): Revision 1.49 by root, Sat Nov 10 21:19:30 2007 UTC vs. Revision 1.91 by root, Fri Jan 25 15:45:09 2008 UTC

Diff Legend

Comparing libev/ev.h (file contents):
Revision 1.49 by root, Sat Nov 10 21:19:30 2007 UTC vs.
Revision 1.91 by root, Fri Jan 25 15:45:09 2008 UTC