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

Comparing libev/ev.h (file contents):
Revision 1.65 by root, Sat Nov 24 06:23:27 2007 UTC vs.
Revision 1.93 by root, Fri Feb 1 13:08:54 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
46		56
47	#ifndef EV_MULTIPLICITY	57	#ifndef EV_MULTIPLICITY
48	# define EV_MULTIPLICITY 1	58	# define EV_MULTIPLICITY 1
49	#endif	59	#endif
50		60
51	#ifndef EV_PERIODICS	61	#ifndef EV_PERIODIC_ENABLE
52	# define EV_PERIODICS 1	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	#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
		90	/*****************************************************************************/
		91
		92	#if EV_STAT_ENABLE
		93	# include <sys/stat.h>
53	#endif	94	#endif
54		95
55	/* support multiple event loops? */	96	/* support multiple event loops? */
56	#if EV_MULTIPLICITY	97	#if EV_MULTIPLICITY
57	struct ev_loop;	98	struct ev_loop;
58	# define EV_P struct ev_loop *loop	99	# define EV_P struct ev_loop *loop
59	# define EV_P_ EV_P,	100	# define EV_P_ EV_P,
60	# define EV_A loop	101	# define EV_A loop
61	# define EV_A_ EV_A,	102	# define EV_A_ EV_A,
62	# define EV_DEFAULT_A ev_default_loop (0)	103	# define EV_DEFAULT ev_default_loop (0)
63	# define EV_DEFAULT_A_ EV_DEFAULT_A,	104	# define EV_DEFAULT_ EV_DEFAULT,
64	#else	105	#else
65	# define EV_P void	106	# define EV_P void
66	# define EV_P_	107	# define EV_P_
67	# define EV_A	108	# define EV_A
68	# define EV_A_	109	# define EV_A_
		110	# define EV_DEFAULT
69	# define EV_DEFAULT_A	111	# define EV_DEFAULT_
70	# define EV_DEFAULT_A_	112
		113	# undef EV_EMBED_ENABLE
71	#endif	114	#endif
72		115
73	/* eventmask, revents, events... */	116	/* eventmask, revents, events... */
74	#define EV_UNDEF -1L /* guaranteed to be invalid */	117	#define EV_UNDEF -1L /* guaranteed to be invalid */
75	#define EV_NONE 0x00L	118	#define EV_NONE 0x00L /* no events */
76	#define EV_READ 0x01L /* io only */	119	#define EV_READ 0x01L /* ev_io detected read will not block */
		120	#define EV_WRITE 0x02L /* ev_io detected write will not block */
77	#define EV_WRITE 0x02L /* io only */	121	#define EV_IOFDSET 0x80L /* internal use only */
78	#define EV_TIMEOUT 0x000100L /* timer only */	122	#define EV_TIMEOUT 0x00000100L /* timer timed out */
79	#define EV_PERIODIC 0x000200L /* periodic timer only */	123	#define EV_PERIODIC 0x00000200L /* periodic timer timed out */
80	#define EV_SIGNAL 0x000400L /* signal only */	124	#define EV_SIGNAL 0x00000400L /* signal was received */
81	#define EV_IDLE 0x000800L /* idle only */
82	#define EV_CHECK 0x001000L /* check only */
83	#define EV_PREPARE 0x002000L /* prepare only */
84	#define EV_CHILD 0x004000L /* child/pid only */	125	#define EV_CHILD 0x00000800L /* child/pid had status change */
		126	#define EV_STAT 0x00001000L /* stat data changed */
		127	#define EV_IDLE 0x00002000L /* event loop is idling */
		128	#define EV_PREPARE 0x00004000L /* event loop about to poll */
		129	#define EV_CHECK 0x00008000L /* event loop finished poll */
85	#define EV_EMBED 0x008000L /* embedded event loop */	130	#define EV_EMBED 0x00010000L /* embedded event loop needs sweep */
		131	#define EV_FORK 0x00020000L /* event loop resumed in child */
		132	#define EV_ASYNC 0x00040000L /* async intra-loop signal */
86	#define EV_ERROR 0x800000L /* sent when an error occurs */	133	#define EV_ERROR 0x80000000L /* sent when an error occurs */
87		134
88	/* can be used to add custom fields to all watchers, while losing binary compatibility */	135	/* can be used to add custom fields to all watchers, while losing binary compatibility */
89	#ifndef EV_COMMON	136	#ifndef EV_COMMON
90	# define EV_COMMON void *data;	137	# define EV_COMMON void *data;
91	#endif	138	#endif
92	#ifndef EV_PROTOTYPES	139	#ifndef EV_PROTOTYPES
93	# define EV_PROTOTYPES 1	140	# define EV_PROTOTYPES 1
94	#endif	141	#endif
95		142
96	#define EV_VERSION_MAJOR 1	143	#define EV_VERSION_MAJOR 3
97	#define EV_VERSION_MINOR 1	144	#define EV_VERSION_MINOR 0
98		145
99	#ifndef EV_CB_DECLARE	146	#ifndef EV_CB_DECLARE
100	# define EV_CB_DECLARE(type) void (cb)(EV_P_ struct type w, int revents);	147	# define EV_CB_DECLARE(type) void (cb)(EV_P_ struct type w, int revents);
101	#endif	148	#endif
102	#ifndef EV_CB_INVOKE	149	#ifndef EV_CB_INVOKE
…		…
125	#define EV_WATCHER_TIME(type) \	172	#define EV_WATCHER_TIME(type) \
126	EV_WATCHER (type) \	173	EV_WATCHER (type) \
127	ev_tstamp at; /* private */	174	ev_tstamp at; /* private */
128		175
129	/* base class, nothing to see here unless you subclass */	176	/* base class, nothing to see here unless you subclass */
130	struct ev_watcher	177	typedef struct ev_watcher
131	{	178	{
132	EV_WATCHER (ev_watcher)	179	EV_WATCHER (ev_watcher)
133	};	180	} ev_watcher;
134		181
135	/* base class, nothing to see here unless you subclass */	182	/* base class, nothing to see here unless you subclass */
136	struct ev_watcher_list	183	typedef struct ev_watcher_list
137	{	184	{
138	EV_WATCHER_LIST (ev_watcher_list)	185	EV_WATCHER_LIST (ev_watcher_list)
139	};	186	} ev_watcher_list;
140		187
141	/* base class, nothing to see here unless you subclass */	188	/* base class, nothing to see here unless you subclass */
142	struct ev_watcher_time	189	typedef struct ev_watcher_time
143	{	190	{
144	EV_WATCHER_TIME (ev_watcher_time)	191	EV_WATCHER_TIME (ev_watcher_time)
145	};	192	} ev_watcher_time;
		193
		194	/* invoked when fd is either EV_READable or EV_WRITEable */
		195	/* revent EV_READ, EV_WRITE */
		196	typedef struct ev_io
		197	{
		198	EV_WATCHER_LIST (ev_io)
		199
		200	int fd; /* ro */
		201	int events; /* ro */
		202	} ev_io;
146		203
147	/* invoked after a specific time, repeatable (based on monotonic clock) */	204	/* invoked after a specific time, repeatable (based on monotonic clock) */
148	/* revent EV_TIMEOUT */	205	/* revent EV_TIMEOUT */
149	struct ev_timer	206	typedef struct ev_timer
150	{	207	{
151	EV_WATCHER_TIME (ev_timer)	208	EV_WATCHER_TIME (ev_timer)
152		209
153	ev_tstamp repeat; /* rw */	210	ev_tstamp repeat; /* rw */
154	};	211	} ev_timer;
155		212
156	/* invoked at some specific time, possibly repeating at regular intervals (based on UTC) */	213	/* invoked at some specific time, possibly repeating at regular intervals (based on UTC) */
157	/* revent EV_PERIODIC */	214	/* revent EV_PERIODIC */
158	struct ev_periodic	215	typedef struct ev_periodic
159	{	216	{
160	EV_WATCHER_TIME (ev_periodic)	217	EV_WATCHER_TIME (ev_periodic)
161		218
		219	ev_tstamp offset; /* rw */
162	ev_tstamp interval; /* rw */	220	ev_tstamp interval; /* rw */
163	ev_tstamp (reschedule_cb)(struct ev_periodic w, ev_tstamp now); /* rw */	221	ev_tstamp (reschedule_cb)(struct ev_periodic w, ev_tstamp now); /* rw */
164	};	222	} ev_periodic;
165
166	/* invoked when fd is either EV_READable or EV_WRITEable */
167	/* revent EV_READ, EV_WRITE */
168	struct ev_io
169	{
170	EV_WATCHER_LIST (ev_io)
171
172	int fd; /* ro */
173	int events; /* ro */
174	};
175		223
176	/* invoked when the given signal has been received */	224	/* invoked when the given signal has been received */
177	/* revent EV_SIGNAL */	225	/* revent EV_SIGNAL */
178	struct ev_signal	226	typedef struct ev_signal
179	{	227	{
180	EV_WATCHER_LIST (ev_signal)	228	EV_WATCHER_LIST (ev_signal)
181		229
182	int signum; /* ro */	230	int signum; /* ro */
183	};	231	} ev_signal;
184		232
		233	/* invoked when sigchld is received and waitpid indicates the given pid */
		234	/* revent EV_CHILD */
		235	/* does not support priorities */
		236	typedef struct ev_child
		237	{
		238	EV_WATCHER_LIST (ev_child)
		239
		240	int flags; /* private */
		241	int pid; /* ro */
		242	int rpid; /* rw, holds the received pid */
		243	int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */
		244	} ev_child;
		245
		246	#if EV_STAT_ENABLE
		247	/* st_nlink = 0 means missing file or other error */
		248	# ifdef _WIN32
		249	typedef struct _stati64 ev_statdata;
		250	# else
		251	typedef struct stat ev_statdata;
		252	# endif
		253
		254	/* invoked each time the stat data changes for a given path */
		255	/* revent EV_STAT */
		256	typedef struct ev_stat
		257	{
		258	EV_WATCHER_LIST (ev_stat)
		259
		260	ev_timer timer; /* private */
		261	ev_tstamp interval; /* ro */
		262	const char path; / ro */
		263	ev_statdata prev; /* ro */
		264	ev_statdata attr; /* ro */
		265
		266	int wd; /* wd for inotify, fd for kqueue */
		267	} ev_stat;
		268	#endif
		269
		270	#if EV_IDLE_ENABLE
185	/* invoked when the nothing else needs to be done, keeps the process from blocking */	271	/* invoked when the nothing else needs to be done, keeps the process from blocking */
186	/* revent EV_IDLE */	272	/* revent EV_IDLE */
187	struct ev_idle	273	typedef struct ev_idle
188	{	274	{
189	EV_WATCHER (ev_idle)	275	EV_WATCHER (ev_idle)
190	};	276	} ev_idle;
		277	#endif
191		278
192	/* invoked for each run of the mainloop, just before the blocking call */	279	/* invoked for each run of the mainloop, just before the blocking call */
193	/* you can still change events in any way you like */	280	/* you can still change events in any way you like */
194	/* revent EV_PREPARE */	281	/* revent EV_PREPARE */
195	struct ev_prepare	282	typedef struct ev_prepare
196	{	283	{
197	EV_WATCHER (ev_prepare)	284	EV_WATCHER (ev_prepare)
198	};	285	} ev_prepare;
199		286
200	/* invoked for each run of the mainloop, just after the blocking call */	287	/* invoked for each run of the mainloop, just after the blocking call */
201	/* revent EV_CHECK */	288	/* revent EV_CHECK */
202	struct ev_check	289	typedef struct ev_check
203	{	290	{
204	EV_WATCHER (ev_check)	291	EV_WATCHER (ev_check)
205	};	292	} ev_check;
206		293
207	/* invoked when sigchld is received and waitpid indicates the given pid */	294	#if EV_FORK_ENABLE
208	/* revent EV_CHILD */	295	/* the callback gets invoked before check in the child process when a fork was detected */
209	/* does not support priorities */	296	typedef struct ev_fork
210	struct ev_child
211	{	297	{
212	EV_WATCHER_LIST (ev_child)	298	EV_WATCHER (ev_fork)
		299	} ev_fork;
		300	#endif
213		301
214	int pid; /* ro */	302	#if EV_EMBED_ENABLE
215	int rpid; /* rw, holds the received pid */
216	int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */
217	};
218
219	#if EV_MULTIPLICITY
220	/* used to embed an event loop inside another */	303	/* used to embed an event loop inside another */
221	/* the callback gets invoked when the event loop has handled events, and can be 0 */	304	/* the callback gets invoked when the event loop has handled events, and can be 0 */
222	struct ev_embed	305	typedef struct ev_embed
223	{	306	{
224	EV_WATCHER (ev_embed)	307	EV_WATCHER (ev_embed)
225		308
226	struct ev_io io; /* private */
227	struct ev_loop loop; / ro */	309	struct ev_loop other; / ro */
228	};	310	ev_io io; /* private */
		311	ev_prepare prepare; /* private */
		312	ev_check check; /* unused */
		313	ev_timer timer; /* unused */
		314	ev_periodic periodic; /* unused */
		315	ev_idle idle; /* unused */
		316	ev_fork fork; /* unused */
		317	} ev_embed;
		318	#endif
		319
		320	#if EV_ASYNC_ENABLE
		321	/* invoked when somebody calls ev_async_send on the watcher */
		322	/* revent EV_ASYNC */
		323	typedef struct ev_async
		324	{
		325	EV_WATCHER (ev_async)
		326
		327	EV_ATOMIC_T sent; /* private */
		328	} ev_async;
229	#endif	329	#endif
230		330
231	/* the presence of this union forces similar struct layout */	331	/* the presence of this union forces similar struct layout */
232	union ev_any_watcher	332	union ev_any_watcher
233	{	333	{
…		…
235	struct ev_watcher_list wl;	335	struct ev_watcher_list wl;
236		336
237	struct ev_io io;	337	struct ev_io io;
238	struct ev_timer timer;	338	struct ev_timer timer;
239	struct ev_periodic periodic;	339	struct ev_periodic periodic;
		340	struct ev_signal signal;
		341	struct ev_child child;
		342	#if EV_STAT_ENABLE
		343	struct ev_stat stat;
		344	#endif
		345	#if EV_IDLE_ENABLE
240	struct ev_idle idle;	346	struct ev_idle idle;
		347	#endif
241	struct ev_prepare prepare;	348	struct ev_prepare prepare;
242	struct ev_check check;	349	struct ev_check check;
243	struct ev_signal signal;	350	#if EV_FORK_ENABLE
244	struct ev_child child;	351	struct ev_fork fork;
		352	#endif
		353	#if EV_EMBED_ENABLE
245	struct ev_embed embed;	354	struct ev_embed embed;
		355	#endif
		356	#if EV_ASYND_ENABLE
		357	struct ev_async async;
		358	#endif
246	};	359	};
247		360
248	/* bits for ev_default_loop and ev_loop_new */	361	/* bits for ev_default_loop and ev_loop_new */
249	/* the default */	362	/* the default */
250	#define EVFLAG_AUTO 0x00000000UL /* not quite a mask */	363	#define EVFLAG_AUTO 0x00000000UL /* not quite a mask */
251	/* flag bits */	364	/* flag bits */
252	#define EVFLAG_NOENV 0x01000000UL /* do NOT consult environment */	365	#define EVFLAG_NOENV 0x01000000UL /* do NOT consult environment */
		366	#define EVFLAG_FORKCHECK 0x02000000UL /* check for a fork in each iteration */
253	/* method bits to be ored together */	367	/* method bits to be ored together */
254	#define EVBACKEND_SELECT 0x00000001UL /* about anywhere */	368	#define EVBACKEND_SELECT 0x00000001UL /* about anywhere */
255	#define EVBACKEND_POLL 0x00000002UL /* !win */	369	#define EVBACKEND_POLL 0x00000002UL /* !win */
256	#define EVBACKEND_EPOLL 0x00000004UL /* linux */	370	#define EVBACKEND_EPOLL 0x00000004UL /* linux */
257	#define EVBACKEND_KQUEUE 0x00000008UL /* bsd */	371	#define EVBACKEND_KQUEUE 0x00000008UL /* bsd */
…		…
265	unsigned int ev_supported_backends (void);	379	unsigned int ev_supported_backends (void);
266	unsigned int ev_recommended_backends (void);	380	unsigned int ev_recommended_backends (void);
267	unsigned int ev_embeddable_backends (void);	381	unsigned int ev_embeddable_backends (void);
268		382
269	ev_tstamp ev_time (void);	383	ev_tstamp ev_time (void);
		384	void ev_sleep (ev_tstamp delay); /* sleep for a while */
270		385
271	/* Sets the allocation function to use, works like realloc.	386	/* Sets the allocation function to use, works like realloc.
272	* It is used to allocate and free memory.	387	* It is used to allocate and free memory.
273	* If it returns zero when memory needs to be allocated, the library might abort	388	* If it returns zero when memory needs to be allocated, the library might abort
274	* or take some potentially destructive action.	389	* or take some potentially destructive action.
…		…
322	/* if you create alternative loops you have to call ev_loop_fork on them */	437	/* if you create alternative loops you have to call ev_loop_fork on them */
323	/* you can call it in either the parent or the child */	438	/* you can call it in either the parent or the child */
324	/* you can actually call it at any time, anywhere :) */	439	/* you can actually call it at any time, anywhere :) */
325	void ev_default_fork (void);	440	void ev_default_fork (void);
326		441
327	unsigned int ev_backend (EV_P);	442	unsigned int ev_backend (EV_P); /* backend in use by loop */
		443	unsigned int ev_loop_count (EV_P); /* number of loop iterations */
328	#endif	444	#endif
329		445
330	#define EVLOOP_NONBLOCK 1 /* do not block/wait */	446	#define EVLOOP_NONBLOCK 1 /* do not block/wait */
331	#define EVLOOP_ONESHOT 2 /* block once only */	447	#define EVLOOP_ONESHOT 2 /* block once only */
332	#define EVUNLOOP_CANCEL 0 /* undo unloop */	448	#define EVUNLOOP_CANCEL 0 /* undo unloop */
…		…
334	#define EVUNLOOP_ALL 2 /* unloop all loops */	450	#define EVUNLOOP_ALL 2 /* unloop all loops */
335		451
336	#if EV_PROTOTYPES	452	#if EV_PROTOTYPES
337	void ev_loop (EV_P_ int flags);	453	void ev_loop (EV_P_ int flags);
338	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 */	454	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 */
		455
		456	void ev_set_io_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */
		457	void ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */
339		458
340	/*	459	/*
341	* ref/unref can be used to add or remove a refcount on the mainloop. every watcher	460	* ref/unref can be used to add or remove a refcount on the mainloop. every watcher
342	* keeps one reference. if you have a long-runing watcher you never unregister that	461	* keeps one reference. if you have a long-runing watcher you never unregister that
343	* should not keep ev_loop from running, unref() after starting, and ref() before stopping.	462	* should not keep ev_loop from running, unref() after starting, and ref() before stopping.
…		…
350	void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (cb)(int revents, void arg), void *arg);	469	void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (cb)(int revents, void arg), void *arg);
351	#endif	470	#endif
352		471
353	/* these may evaluate ev multiple times, and the other arguments at most once */	472	/* these may evaluate ev multiple times, and the other arguments at most once */
354	/* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */	473	/* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */
355	#define ev_init(ev,cb_) do { \	474	#define ev_init(ev,cb_) do { \
356	((struct ev_watcher )(void )(ev))->active = \	475	((ev_watcher )(void )(ev))->active = \
357	((struct ev_watcher )(void )(ev))->pending = \	476	((ev_watcher )(void )(ev))->pending = \
358	((struct ev_watcher )(void )(ev))->priority = 0; \	477	((ev_watcher )(void )(ev))->priority = 0; \
359	ev_set_cb ((ev), cb_); \	478	ev_set_cb ((ev), cb_); \
360	} while (0)	479	} while (0)
361		480
362	#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_); } while (0)	481	#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_) \| EV_IOFDSET; } while (0)
363	#define ev_timer_set(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); } while (0)	482	#define ev_timer_set(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); } while (0)
364	#define ev_periodic_set(ev,at_,ival_,res_) do { (ev)->at = (at_); (ev)->interval = (ival_); (ev)->reschedule_cb= (res_); } while (0)	483	#define ev_periodic_set(ev,ofs_,ival_,res_) do { (ev)->offset = (ofs_); (ev)->interval = (ival_); (ev)->reschedule_cb= (res_); } while (0)
365	#define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0)	484	#define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0)
		485	#define ev_child_set(ev,pid_,trace_) do { (ev)->pid = (pid_); (ev)->flags = !!(trace_); } while (0)
		486	#define ev_stat_set(ev,path_,interval_) do { (ev)->path = (path_); (ev)->interval = (interval_); (ev)->wd = -2; } while (0)
366	#define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */	487	#define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */
367	#define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */	488	#define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */
368	#define ev_check_set(ev) /* nop, yes, this is a serious in-joke */	489	#define ev_check_set(ev) /* nop, yes, this is a serious in-joke */
369	#define ev_child_set(ev,pid_) do { (ev)->pid = (pid_); } while (0)
370	#define ev_embed_set(ev,loop_) do { (ev)->loop = (loop_); } while (0)	490	#define ev_embed_set(ev,other_) do { (ev)->other = (other_); } while (0)
		491	#define ev_fork_set(ev) /* nop, yes, this is a serious in-joke */
		492	#define ev_async_set(ev) do { (ev)->sent = 0; } while (0)
371		493
372	#define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)	494	#define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)
373	#define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0)	495	#define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0)
374	#define ev_periodic_init(ev,cb,at,ival,res) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(at),(ival),(res)); } while (0)	496	#define ev_periodic_init(ev,cb,at,ival,res) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(at),(ival),(res)); } while (0)
375	#define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0)	497	#define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0)
		498	#define ev_child_init(ev,cb,pid,trace) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid),(trace)); } while (0)
		499	#define ev_stat_init(ev,cb,path,interval) do { ev_init ((ev), (cb)); ev_stat_set ((ev),(path),(interval)); } while (0)
376	#define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0)	500	#define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0)
377	#define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0)	501	#define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0)
378	#define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0)	502	#define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0)
379	#define ev_child_init(ev,cb,pid) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid)); } while (0)
380	#define ev_embed_init(ev,cb,loop) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(loop)); } while (0)	503	#define ev_embed_init(ev,cb,other) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(other)); } while (0)
		504	#define ev_fork_init(ev,cb) do { ev_init ((ev), (cb)); ev_fork_set ((ev)); } while (0)
		505	#define ev_async_init(ev,cb) do { ev_init ((ev), (cb)); ev_async_set ((ev)); } while (0)
381		506
382	#define ev_is_pending(ev) (0 + ((struct ev_watcher )(void )(ev))->pending) /* ro, true when watcher is waiting for callback invocation */	507	#define ev_is_pending(ev) (0 + ((ev_watcher )(void )(ev))->pending) /* ro, true when watcher is waiting for callback invocation */
383	#define ev_is_active(ev) (0 + ((struct ev_watcher )(void )(ev))->active) /* ro, true when the watcher has been started */	508	#define ev_is_active(ev) (0 + ((ev_watcher )(void )(ev))->active) /* ro, true when the watcher has been started */
384		509
385	#define ev_priority(ev) ((struct ev_watcher )(void )(ev))->priority /* rw */	510	#define ev_priority(ev) ((((ev_watcher )(void )(ev))->priority) + 0)
386	#define ev_cb(ev) (ev)->cb /* rw */	511	#define ev_cb(ev) (ev)->cb /* rw */
387	#define ev_set_priority(ev,pri) ev_priority (ev) = (pri)	512	#define ev_set_priority(ev,pri) ((ev_watcher )(void )(ev))->priority = (pri)
388		513
389	#ifndef ev_set_cb	514	#ifndef ev_set_cb
390	# define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_)	515	# define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_)
391	#endif	516	#endif
392		517
…		…
397	/* feeds an event into a watcher as if the event actually occured */	522	/* feeds an event into a watcher as if the event actually occured */
398	/* accepts any ev_watcher type */	523	/* accepts any ev_watcher type */
399	void ev_feed_event (EV_P_ void *w, int revents);	524	void ev_feed_event (EV_P_ void *w, int revents);
400	void ev_feed_fd_event (EV_P_ int fd, int revents);	525	void ev_feed_fd_event (EV_P_ int fd, int revents);
401	void ev_feed_signal_event (EV_P_ int signum);	526	void ev_feed_signal_event (EV_P_ int signum);
		527	void ev_invoke (EV_P_ void *w, int revents);
		528	int ev_clear_pending (EV_P_ void *w);
402		529
403	void ev_io_start (EV_P_ struct ev_io *w);	530	void ev_io_start (EV_P_ ev_io *w);
404	void ev_io_stop (EV_P_ struct ev_io *w);	531	void ev_io_stop (EV_P_ ev_io *w);
405		532
406	void ev_timer_start (EV_P_ struct ev_timer *w);	533	void ev_timer_start (EV_P_ ev_timer *w);
407	void ev_timer_stop (EV_P_ struct ev_timer *w);	534	void ev_timer_stop (EV_P_ ev_timer *w);
408	/* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */	535	/* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */
409	void ev_timer_again (EV_P_ struct ev_timer *w);	536	void ev_timer_again (EV_P_ ev_timer *w);
410		537
411	#if EV_PERIODICS	538	#if EV_PERIODIC_ENABLE
412	void ev_periodic_start (EV_P_ struct ev_periodic *w);	539	void ev_periodic_start (EV_P_ ev_periodic *w);
413	void ev_periodic_stop (EV_P_ struct ev_periodic *w);	540	void ev_periodic_stop (EV_P_ ev_periodic *w);
414	void ev_periodic_again (EV_P_ struct ev_periodic *w);	541	void ev_periodic_again (EV_P_ ev_periodic *w);
415	#endif	542	#endif
416
417	void ev_idle_start (EV_P_ struct ev_idle *w);
418	void ev_idle_stop (EV_P_ struct ev_idle *w);
419
420	void ev_prepare_start (EV_P_ struct ev_prepare *w);
421	void ev_prepare_stop (EV_P_ struct ev_prepare *w);
422
423	void ev_check_start (EV_P_ struct ev_check *w);
424	void ev_check_stop (EV_P_ struct ev_check *w);
425		543
426	/* only supported in the default loop */	544	/* only supported in the default loop */
427	void ev_signal_start (EV_P_ struct ev_signal *w);	545	void ev_signal_start (EV_P_ ev_signal *w);
428	void ev_signal_stop (EV_P_ struct ev_signal *w);	546	void ev_signal_stop (EV_P_ ev_signal *w);
429		547
430	/* only supported in the default loop */	548	/* only supported in the default loop */
431	void ev_child_start (EV_P_ struct ev_child *w);	549	void ev_child_start (EV_P_ ev_child *w);
432	void ev_child_stop (EV_P_ struct ev_child *w);	550	void ev_child_stop (EV_P_ ev_child *w);
433		551
434	# if EV_MULTIPLICITY	552	# if EV_STAT_ENABLE
		553	void ev_stat_start (EV_P_ ev_stat *w);
		554	void ev_stat_stop (EV_P_ ev_stat *w);
		555	void ev_stat_stat (EV_P_ ev_stat *w);
		556	# endif
		557
		558	# if EV_IDLE_ENABLE
		559	void ev_idle_start (EV_P_ ev_idle *w);
		560	void ev_idle_stop (EV_P_ ev_idle *w);
		561	# endif
		562
		563	void ev_prepare_start (EV_P_ ev_prepare *w);
		564	void ev_prepare_stop (EV_P_ ev_prepare *w);
		565
		566	void ev_check_start (EV_P_ ev_check *w);
		567	void ev_check_stop (EV_P_ ev_check *w);
		568
		569	# if EV_FORK_ENABLE
		570	void ev_fork_start (EV_P_ ev_fork *w);
		571	void ev_fork_stop (EV_P_ ev_fork *w);
		572	# endif
		573
		574	# if EV_EMBED_ENABLE
435	/* only supported when loop to be embedded is in fact embeddable */	575	/* only supported when loop to be embedded is in fact embeddable */
436	void ev_embed_start (EV_P_ struct ev_embed *w);	576	void ev_embed_start (EV_P_ ev_embed *w);
437	void ev_embed_stop (EV_P_ struct ev_embed *w);	577	void ev_embed_stop (EV_P_ ev_embed *w);
		578	void ev_embed_sweep (EV_P_ ev_embed *w);
		579	# endif
		580
		581	# if EV_ASYNC_ENABLE
		582	void ev_async_start (EV_P_ ev_async *w);
		583	void ev_async_stop (EV_P_ ev_async *w);
		584	void ev_async_send (EV_P_ ev_async *w);
438	# endif	585	# endif
439		586
440	#endif	587	#endif
441		588
442	#ifdef __cplusplus	589	#ifdef __cplusplus

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Comparing libev/ev.h (file contents): Revision 1.65 by root, Sat Nov 24 06:23:27 2007 UTC vs. Revision 1.93 by root, Fri Feb 1 13:08:54 2008 UTC

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Comparing libev/ev.h (file contents):
Revision 1.65 by root, Sat Nov 24 06:23:27 2007 UTC vs.
Revision 1.93 by root, Fri Feb 1 13:08:54 2008 UTC