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

Comparing libev/ev.h (file contents):
Revision 1.45 by root, Fri Nov 9 21:48:23 2007 UTC vs.
Revision 1.90 by root, Tue Dec 25 07:05:45 2007 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,
		94	# define EV_DEFAULT ev_default_loop (0)
		95	# define EV_DEFAULT_ EV_DEFAULT,
58	#else	96	#else
59	# define EV_P void	97	# define EV_P void
60	# define EV_P_	98	# define EV_P_
61	# define EV_A	99	# define EV_A
62	# define EV_A_	100	# define EV_A_
		101	# define EV_DEFAULT
		102	# define EV_DEFAULT_
		103
		104	# undef EV_EMBED_ENABLE
63	#endif	105	#endif
64		106
65	/* eventmask, revents, events... */	107	/* eventmask, revents, events... */
66	#define EV_UNDEF -1 /* guaranteed to be invalid */	108	#define EV_UNDEF -1L /* guaranteed to be invalid */
67	#define EV_NONE 0x00	109	#define EV_NONE 0x00L /* no events */
68	#define EV_READ 0x01	110	#define EV_READ 0x01L /* ev_io detected read will not block */
69	#define EV_WRITE 0x02	111	#define EV_WRITE 0x02L /* ev_io detected write will not block */
70	#define EV_TIMEOUT 0x000100	112	#define EV_IOFDSET 0x80L /* internal use only */
71	#define EV_PERIODIC 0x000200	113	#define EV_TIMEOUT 0x00000100L /* timer timed out */
72	#define EV_SIGNAL 0x000400	114	#define EV_PERIODIC 0x00000200L /* periodic timer timed out */
73	#define EV_IDLE 0x000800	115	#define EV_SIGNAL 0x00000400L /* signal was received */
74	#define EV_CHECK 0x001000	116	#define EV_CHILD 0x00000800L /* child/pid had status change */
75	#define EV_PREPARE 0x002000	117	#define EV_STAT 0x00001000L /* stat data changed */
76	#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 */
77	#define EV_ERROR 0x800000 /* sent when an error occurs */	123	#define EV_ERROR 0x80000000L /* sent when an error occurs */
78		124
79	/* 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 */
80	#ifndef EV_COMMON	126	#ifndef EV_COMMON
81	# define EV_COMMON void *data	127	# define EV_COMMON void *data;
82	#endif	128	#endif
83	#ifndef EV_PROTOTYPES	129	#ifndef EV_PROTOTYPES
84	# define EV_PROTOTYPES 1	130	# define EV_PROTOTYPES 1
85	#endif	131	#endif
86		132
87	#define EV_VERSION_MAJOR 1	133	#define EV_VERSION_MAJOR 2
88	#define EV_VERSION_MINOR 1	134	#define EV_VERSION_MINOR 0
89		135
90	#ifndef EV_CB_DECLARE	136	#ifndef EV_CB_DECLARE
91	# 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);
92	#endif	138	#endif
93	#ifndef EV_CB_INVOKE	139	#ifndef EV_CB_INVOKE
94	# define EV_CB_INVOKE(watcher,revents) (watcher)->cb (EV_A_ (watcher), (revents))	140	# define EV_CB_INVOKE(watcher,revents) (watcher)->cb (EV_A_ (watcher), (revents))
95	#endif	141	#endif
96		142
…		…
104	/* shared by all watchers */	150	/* shared by all watchers */
105	#define EV_WATCHER(type) \	151	#define EV_WATCHER(type) \
106	int active; /* private */ \	152	int active; /* private */ \
107	int pending; /* private */ \	153	int pending; /* private */ \
108	int priority; /* private */ \	154	int priority; /* private */ \
109	EV_COMMON; /* rw */ \	155	EV_COMMON /* rw */ \
110	EV_CB_DECLARE (type) /* private */	156	EV_CB_DECLARE (type) /* private */
111		157
112	#define EV_WATCHER_LIST(type) \	158	#define EV_WATCHER_LIST(type) \
113	EV_WATCHER (type); \	159	EV_WATCHER (type) \
114	struct ev_watcher_list next / private */	160	struct ev_watcher_list next; / private */
115		161
116	#define EV_WATCHER_TIME(type) \	162	#define EV_WATCHER_TIME(type) \
117	EV_WATCHER (type); \	163	EV_WATCHER (type) \
118	ev_tstamp at /* private */	164	ev_tstamp at; /* private */
119		165
120	/* base class, nothing to see here unless you subclass */	166	/* base class, nothing to see here unless you subclass */
121	struct ev_watcher	167	typedef struct ev_watcher
122	{	168	{
123	EV_WATCHER (ev_watcher);	169	EV_WATCHER (ev_watcher)
124	};	170	} ev_watcher;
125		171
126	/* base class, nothing to see here unless you subclass */	172	/* base class, nothing to see here unless you subclass */
127	struct ev_watcher_list	173	typedef struct ev_watcher_list
128	{	174	{
129	EV_WATCHER_LIST (ev_watcher_list);	175	EV_WATCHER_LIST (ev_watcher_list)
130	};	176	} ev_watcher_list;
131		177
132	/* base class, nothing to see here unless you subclass */	178	/* base class, nothing to see here unless you subclass */
133	struct ev_watcher_time	179	typedef struct ev_watcher_time
134	{	180	{
135	EV_WATCHER_TIME (ev_watcher_time);	181	EV_WATCHER_TIME (ev_watcher_time)
136	};	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;
137		193
138	/* invoked after a specific time, repeatable (based on monotonic clock) */	194	/* invoked after a specific time, repeatable (based on monotonic clock) */
139	/* revent EV_TIMEOUT */	195	/* revent EV_TIMEOUT */
140	struct ev_timer	196	typedef struct ev_timer
141	{	197	{
142	EV_WATCHER_TIME (ev_timer);	198	EV_WATCHER_TIME (ev_timer)
143		199
144	ev_tstamp repeat; /* rw */	200	ev_tstamp repeat; /* rw */
145	};	201	} ev_timer;
146		202
147	/* 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) */
148	/* revent EV_PERIODIC */	204	/* revent EV_PERIODIC */
149	struct ev_periodic	205	typedef struct ev_periodic
150	{	206	{
151	EV_WATCHER_TIME (ev_periodic);	207	EV_WATCHER_TIME (ev_periodic)
152		208
		209	ev_tstamp offset; /* rw */
153	ev_tstamp interval; /* rw */	210	ev_tstamp interval; /* rw */
154	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 */
155	};	212	} ev_periodic;
156
157	/* invoked when fd is either EV_READable or EV_WRITEable */
158	/* revent EV_READ, EV_WRITE */
159	struct ev_io
160	{
161	EV_WATCHER_LIST (ev_io);
162
163	int fd; /* ro */
164	int events; /* ro */
165	};
166		213
167	/* invoked when the given signal has been received */	214	/* invoked when the given signal has been received */
168	/* revent EV_SIGNAL */	215	/* revent EV_SIGNAL */
169	struct ev_signal	216	typedef struct ev_signal
170	{	217	{
171	EV_WATCHER_LIST (ev_signal);	218	EV_WATCHER_LIST (ev_signal)
172		219
173	int signum; /* ro */	220	int signum; /* ro */
174	};	221	} ev_signal;
175		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 pid; /* ro */
		231	int rpid; /* rw, holds the received pid */
		232	int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */
		233	} ev_child;
		234
		235	#if EV_STAT_ENABLE
		236	/* st_nlink = 0 means missing file or other error */
		237	# ifdef _WIN32
		238	typedef struct _stati64 ev_statdata;
		239	# else
		240	typedef struct stat ev_statdata;
		241	# endif
		242
		243	/* invoked each time the stat data changes for a given path */
		244	/* revent EV_STAT */
		245	typedef struct ev_stat
		246	{
		247	EV_WATCHER_LIST (ev_stat)
		248
		249	ev_timer timer; /* private */
		250	ev_tstamp interval; /* ro */
		251	const char path; / ro */
		252	ev_statdata prev; /* ro */
		253	ev_statdata attr; /* ro */
		254
		255	int wd; /* wd for inotify, fd for kqueue */
		256	} ev_stat;
		257	#endif
		258
		259	#if EV_IDLE_ENABLE
176	/* invoked when the nothing else needs to be done, keeps the process from blocking */	260	/* invoked when the nothing else needs to be done, keeps the process from blocking */
177	/* revent EV_IDLE */	261	/* revent EV_IDLE */
178	struct ev_idle	262	typedef struct ev_idle
179	{	263	{
180	EV_WATCHER (ev_idle);	264	EV_WATCHER (ev_idle)
181	};	265	} ev_idle;
		266	#endif
182		267
183	/* invoked for each run of the mainloop, just before the blocking call */	268	/* invoked for each run of the mainloop, just before the blocking call */
184	/* you can still change events in any way you like */	269	/* you can still change events in any way you like */
185	/* revent EV_PREPARE */	270	/* revent EV_PREPARE */
186	struct ev_prepare	271	typedef struct ev_prepare
187	{	272	{
188	EV_WATCHER (ev_prepare);	273	EV_WATCHER (ev_prepare)
189	};	274	} ev_prepare;
190		275
191	/* invoked for each run of the mainloop, just after the blocking call */	276	/* invoked for each run of the mainloop, just after the blocking call */
192	/* revent EV_CHECK */	277	/* revent EV_CHECK */
193	struct ev_check	278	typedef struct ev_check
194	{	279	{
195	EV_WATCHER (ev_check);	280	EV_WATCHER (ev_check)
196	};	281	} ev_check;
197		282
198	/* invoked when sigchld is received and waitpid indicates the givne pid */	283	#if EV_FORK_ENABLE
199	/* revent EV_CHILD */	284	/* the callback gets invoked before check in the child process when a fork was detected */
200	/* does not support priorities */	285	typedef struct ev_fork
201	struct ev_child
202	{	286	{
203	EV_WATCHER_LIST (ev_child);	287	EV_WATCHER (ev_fork)
		288	} ev_fork;
		289	#endif
204		290
205	int pid; /* ro */	291	#if EV_EMBED_ENABLE
206	int rpid; /* rw, holds the received pid */	292	/* used to embed an event loop inside another */
207	int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */	293	/* the callback gets invoked when the event loop has handled events, and can be 0 */
208	};	294	typedef struct ev_embed
		295	{
		296	EV_WATCHER (ev_embed)
		297
		298	struct ev_loop other; / ro */
		299	ev_io io; /* private */
		300	ev_prepare prepare; /* private */
		301	ev_check check; /* unused */
		302	ev_timer timer; /* unused */
		303	ev_periodic periodic; /* unused */
		304	ev_idle idle; /* unused */
		305	ev_fork fork; /* unused */
		306	} ev_embed;
		307	#endif
209		308
210	/* the presence of this union forces similar struct layout */	309	/* the presence of this union forces similar struct layout */
211	union ev_any_watcher	310	union ev_any_watcher
212	{	311	{
213	struct ev_watcher w;	312	struct ev_watcher w;
214	struct ev_watcher_list wl;	313	struct ev_watcher_list wl;
		314
215	struct ev_io io;	315	struct ev_io io;
216	struct ev_timer timer;	316	struct ev_timer timer;
217	struct ev_periodic periodic;	317	struct ev_periodic periodic;
218	struct ev_signal signal;	318	struct ev_signal signal;
		319	struct ev_child child;
		320	#if EV_STAT_ENABLE
		321	struct ev_stat stat;
		322	#endif
		323	#if EV_IDLE_ENABLE
219	struct ev_idle idle;	324	struct ev_idle idle;
220	struct ev_child child;	325	#endif
221	struct ev_prepare prepare;	326	struct ev_prepare prepare;
222	struct ev_check check;	327	struct ev_check check;
		328	#if EV_FORK_ENABLE
		329	struct ev_fork fork;
		330	#endif
		331	#if EV_EMBED_ENABLE
		332	struct ev_embed embed;
		333	#endif
223	};	334	};
224		335
225	#define EVMETHOD_AUTO 0 /* consults environment */	336	/* bits for ev_default_loop and ev_loop_new */
226	#define EVMETHOD_SELECT 1	337	/* the default */
227	#define EVMETHOD_POLL 2	338	#define EVFLAG_AUTO 0x00000000UL /* not quite a mask */
228	#define EVMETHOD_EPOLL 4	339	/* flag bits */
229	#define EVMETHOD_KQUEUE 8	340	#define EVFLAG_NOENV 0x01000000UL /* do NOT consult environment */
230	#define EVMETHOD_DEVPOLL 16 /* NYI */	341	#define EVFLAG_FORKCHECK 0x02000000UL /* check for a fork in each iteration */
231	#define EVMETHOD_PORT 32 /* NYI */	342	/* method bits to be ored together */
232	#define EVMETHOD_WIN32 64 /* NYI */	343	#define EVBACKEND_SELECT 0x00000001UL /* about anywhere */
233	#define EVMETHOD_ANY ~0 /* any method, do not consult env */	344	#define EVBACKEND_POLL 0x00000002UL /* !win */
		345	#define EVBACKEND_EPOLL 0x00000004UL /* linux */
		346	#define EVBACKEND_KQUEUE 0x00000008UL /* bsd */
		347	#define EVBACKEND_DEVPOLL 0x00000010UL /* solaris 8 / / NYI */
		348	#define EVBACKEND_PORT 0x00000020UL /* solaris 10 */
234		349
235	#if EV_PROTOTYPES	350	#if EV_PROTOTYPES
236	int ev_version_major (void);	351	int ev_version_major (void);
237	int ev_version_minor (void);	352	int ev_version_minor (void);
238		353
		354	unsigned int ev_supported_backends (void);
		355	unsigned int ev_recommended_backends (void);
		356	unsigned int ev_embeddable_backends (void);
		357
239	ev_tstamp ev_time (void);	358	ev_tstamp ev_time (void);
		359	void ev_sleep (ev_tstamp delay); /* sleep for a while */
240		360
241	/* Sets the allocation function to use, works like realloc.	361	/* Sets the allocation function to use, works like realloc.
242	* It is used to allocate and free memory.	362	* It is used to allocate and free memory.
243	* If it returns zero when memory needs to be allocated, the library might abort	363	* If it returns zero when memory needs to be allocated, the library might abort
244	* or take some potentially destructive action.	364	* or take some potentially destructive action.
…		…
253	void ev_set_syserr_cb (void (cb)(const char msg));	373	void ev_set_syserr_cb (void (cb)(const char msg));
254		374
255	# if EV_MULTIPLICITY	375	# if EV_MULTIPLICITY
256	/* the default loop is the only one that handles signals and child watchers */	376	/* the default loop is the only one that handles signals and child watchers */
257	/* you can call this as often as you like */	377	/* you can call this as often as you like */
258	struct ev_loop ev_default_loop (int methods); / returns default loop */	378	static struct ev_loop *
		379	ev_default_loop (unsigned int flags)
		380	{
		381	extern struct ev_loop *ev_default_loop_ptr;
		382	extern struct ev_loop *ev_default_loop_init (unsigned int flags);
		383
		384	if (!ev_default_loop_ptr)
		385	ev_default_loop_init (flags);
		386
		387	return ev_default_loop_ptr;
		388	}
259		389
260	/* create and destroy alternative loops that don't handle signals */	390	/* create and destroy alternative loops that don't handle signals */
261	struct ev_loop *ev_loop_new (int methods);	391	struct ev_loop *ev_loop_new (unsigned int flags);
262	void ev_loop_destroy (EV_P);	392	void ev_loop_destroy (EV_P);
263	void ev_loop_fork (EV_P);	393	void ev_loop_fork (EV_P);
		394
		395	ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */
		396
264	# else	397	# else
		398
265	int ev_default_loop (int methods); /* returns true when successful */	399	int ev_default_loop (unsigned int flags); /* returns true when successful */
		400
		401	static ev_tstamp
		402	ev_now (void)
		403	{
		404	extern ev_tstamp ev_rt_now;
		405
		406	return ev_rt_now;
		407	}
266	# endif	408	# endif
267		409
268	void ev_default_destroy (void); /* destroy the default loop */	410	void ev_default_destroy (void); /* destroy the default loop */
269	/* this needs to be called after fork, to duplicate the default loop */	411	/* this needs to be called after fork, to duplicate the default loop */
270	/* if you create alternative loops you have to call ev_loop_fork on them */	412	/* if you create alternative loops you have to call ev_loop_fork on them */
271	/* you can call it in either the parent or the child */	413	/* you can call it in either the parent or the child */
272	/* you can actually call it at any time, anywhere :) */	414	/* you can actually call it at any time, anywhere :) */
273	void ev_default_fork (void);	415	void ev_default_fork (void);
274		416
275	int ev_method (EV_P);	417	unsigned int ev_backend (EV_P); /* backend in use by loop */
		418	unsigned int ev_loop_count (EV_P); /* number of loop iterations */
276	#endif	419	#endif
277		420
278	#define EVLOOP_NONBLOCK 1 /* do not block/wait */	421	#define EVLOOP_NONBLOCK 1 /* do not block/wait */
279	#define EVLOOP_ONESHOT 2 /* block once only */	422	#define EVLOOP_ONESHOT 2 /* block once only */
		423	#define EVUNLOOP_CANCEL 0 /* undo unloop */
280	#define EVUNLOOP_ONCE 1 /* unloop once */	424	#define EVUNLOOP_ONE 1 /* unloop once */
281	#define EVUNLOOP_ALL 2 /* unloop all loops */	425	#define EVUNLOOP_ALL 2 /* unloop all loops */
282		426
283	#if EV_PROTOTYPES	427	#if EV_PROTOTYPES
284	void ev_loop (EV_P_ int flags);	428	void ev_loop (EV_P_ int flags);
285	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 */	429	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 */
286		430
287	ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */	431	void ev_set_io_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */
		432	void ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */
288		433
289	/*	434	/*
290	* ref/unref can be used to add or remove a refcount on the mainloop. every watcher	435	* ref/unref can be used to add or remove a refcount on the mainloop. every watcher
291	* keeps one reference. if you have a long-runing watcher you never unregister that	436	* keeps one reference. if you have a long-runing watcher you never unregister that
292	* should not keep ev_loop from running, unref() after starting, and ref() before stopping.	437	* should not keep ev_loop from running, unref() after starting, and ref() before stopping.
…		…
299	void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (cb)(int revents, void arg), void *arg);	444	void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (cb)(int revents, void arg), void *arg);
300	#endif	445	#endif
301		446
302	/* these may evaluate ev multiple times, and the other arguments at most once */	447	/* these may evaluate ev multiple times, and the other arguments at most once */
303	/* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */	448	/* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */
304	#define ev_init(ev,cb_) do { \	449	#define ev_init(ev,cb_) do { \
305	((struct ev_watcher )(void )(ev))->active = \	450	((ev_watcher )(void )(ev))->active = \
306	((struct ev_watcher )(void )(ev))->pending = \	451	((ev_watcher )(void )(ev))->pending = \
307	((struct ev_watcher )(void )(ev))->priority = 0; \	452	((ev_watcher )(void )(ev))->priority = 0; \
308	ev_set_cb ((ev), cb_); \	453	ev_set_cb ((ev), cb_); \
309	} while (0)	454	} while (0)
310		455
311	#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_); } while (0)	456	#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_) \| EV_IOFDSET; } while (0)
312	#define ev_timer_set(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); } while (0)	457	#define ev_timer_set(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); } while (0)
313	#define ev_periodic_set(ev,at_,ival_,res_) do { (ev)->at = (at_); (ev)->interval = (ival_); (ev)->reschedule_cb= (res_); } while (0)	458	#define ev_periodic_set(ev,ofs_,ival_,res_) do { (ev)->offset = (ofs_); (ev)->interval = (ival_); (ev)->reschedule_cb= (res_); } while (0)
314	#define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0)	459	#define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0)
		460	#define ev_child_set(ev,pid_) do { (ev)->pid = (pid_); } while (0)
		461	#define ev_stat_set(ev,path_,interval_) do { (ev)->path = (path_); (ev)->interval = (interval_); (ev)->wd = -2; } while (0)
315	#define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */	462	#define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */
316	#define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */	463	#define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */
317	#define ev_check_set(ev) /* nop, yes, this is a serious in-joke */	464	#define ev_check_set(ev) /* nop, yes, this is a serious in-joke */
318	#define ev_child_set(ev,pid_) do { (ev)->pid = (pid_); } while (0)	465	#define ev_embed_set(ev,other_) do { (ev)->other = (other_); } while (0)
		466	#define ev_fork_set(ev) /* nop, yes, this is a serious in-joke */
319		467
320	#define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)	468	#define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)
321	#define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0)	469	#define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0)
322	#define ev_periodic_init(ev,cb,at,ival,res) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(at),(ival),(res)); } while (0)	470	#define ev_periodic_init(ev,cb,at,ival,res) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(at),(ival),(res)); } while (0)
323	#define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0)	471	#define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0)
		472	#define ev_child_init(ev,cb,pid) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid)); } while (0)
		473	#define ev_stat_init(ev,cb,path,interval) do { ev_init ((ev), (cb)); ev_stat_set ((ev),(path),(interval)); } while (0)
324	#define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0)	474	#define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0)
325	#define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0)	475	#define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0)
326	#define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0)	476	#define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0)
327	#define ev_child_init(ev,cb,pid) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid)); } while (0)	477	#define ev_embed_init(ev,cb,other) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(other)); } while (0)
		478	#define ev_fork_init(ev,cb) do { ev_init ((ev), (cb)); ev_fork_set ((ev)); } while (0)
328		479
329	#define ev_is_pending(ev) (0 + ((struct ev_watcher )(void )(ev))->pending) /* ro, true when watcher is waiting for callback invocation */	480	#define ev_is_pending(ev) (0 + ((ev_watcher )(void )(ev))->pending) /* ro, true when watcher is waiting for callback invocation */
330	#define ev_is_active(ev) (0 + ((struct ev_watcher )(void )(ev))->active) /* ro, true when the watcher has been started */	481	#define ev_is_active(ev) (0 + ((ev_watcher )(void )(ev))->active) /* ro, true when the watcher has been started */
331		482
332	#define ev_priority(ev) ((struct ev_watcher )(void )(ev))->priority /* rw */	483	#define ev_priority(ev) ((((ev_watcher )(void )(ev))->priority) + 0)
333	#define ev_cb(ev) (ev)->cb /* rw */	484	#define ev_cb(ev) (ev)->cb /* rw */
334	#define ev_set_priority(ev,pri) ev_priority (ev) = (pri)	485	#define ev_set_priority(ev,pri) ((ev_watcher )(void )(ev))->priority = (pri)
335		486
336	#ifndef ev_set_cb	487	#ifndef ev_set_cb
337	# define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_)	488	# define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_)
338	#endif	489	#endif
339		490
…		…
344	/* feeds an event into a watcher as if the event actually occured */	495	/* feeds an event into a watcher as if the event actually occured */
345	/* accepts any ev_watcher type */	496	/* accepts any ev_watcher type */
346	void ev_feed_event (EV_P_ void *w, int revents);	497	void ev_feed_event (EV_P_ void *w, int revents);
347	void ev_feed_fd_event (EV_P_ int fd, int revents);	498	void ev_feed_fd_event (EV_P_ int fd, int revents);
348	void ev_feed_signal_event (EV_P_ int signum);	499	void ev_feed_signal_event (EV_P_ int signum);
		500	void ev_invoke (EV_P_ void *w, int revents);
		501	int ev_clear_pending (EV_P_ void *w);
349		502
350	void ev_io_start (EV_P_ struct ev_io *w);	503	void ev_io_start (EV_P_ ev_io *w);
351	void ev_io_stop (EV_P_ struct ev_io *w);	504	void ev_io_stop (EV_P_ ev_io *w);
352		505
353	void ev_timer_start (EV_P_ struct ev_timer *w);	506	void ev_timer_start (EV_P_ ev_timer *w);
354	void ev_timer_stop (EV_P_ struct ev_timer *w);	507	void ev_timer_stop (EV_P_ ev_timer *w);
355	/* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */	508	/* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */
356	void ev_timer_again (EV_P_ struct ev_timer *w);	509	void ev_timer_again (EV_P_ ev_timer *w);
357		510
		511	#if EV_PERIODIC_ENABLE
358	void ev_periodic_start (EV_P_ struct ev_periodic *w);	512	void ev_periodic_start (EV_P_ ev_periodic *w);
359	void ev_periodic_stop (EV_P_ struct ev_periodic *w);	513	void ev_periodic_stop (EV_P_ ev_periodic *w);
360	void ev_periodic_again (EV_P_ struct ev_periodic *w);	514	void ev_periodic_again (EV_P_ ev_periodic *w);
361		515	#endif
362	void ev_idle_start (EV_P_ struct ev_idle *w);
363	void ev_idle_stop (EV_P_ struct ev_idle *w);
364
365	void ev_prepare_start (EV_P_ struct ev_prepare *w);
366	void ev_prepare_stop (EV_P_ struct ev_prepare *w);
367
368	void ev_check_start (EV_P_ struct ev_check *w);
369	void ev_check_stop (EV_P_ struct ev_check *w);
370		516
371	/* only supported in the default loop */	517	/* only supported in the default loop */
372	void ev_signal_start (EV_P_ struct ev_signal *w);	518	void ev_signal_start (EV_P_ ev_signal *w);
373	void ev_signal_stop (EV_P_ struct ev_signal *w);	519	void ev_signal_stop (EV_P_ ev_signal *w);
374		520
375	/* only supported in the default loop */	521	/* only supported in the default loop */
376	void ev_child_start (EV_P_ struct ev_child *w);	522	void ev_child_start (EV_P_ ev_child *w);
377	void ev_child_stop (EV_P_ struct ev_child *w);	523	void ev_child_stop (EV_P_ ev_child *w);
		524
		525	# if EV_STAT_ENABLE
		526	void ev_stat_start (EV_P_ ev_stat *w);
		527	void ev_stat_stop (EV_P_ ev_stat *w);
		528	void ev_stat_stat (EV_P_ ev_stat *w);
		529	# endif
		530
		531	# if EV_IDLE_ENABLE
		532	void ev_idle_start (EV_P_ ev_idle *w);
		533	void ev_idle_stop (EV_P_ ev_idle *w);
		534	# endif
		535
		536	void ev_prepare_start (EV_P_ ev_prepare *w);
		537	void ev_prepare_stop (EV_P_ ev_prepare *w);
		538
		539	void ev_check_start (EV_P_ ev_check *w);
		540	void ev_check_stop (EV_P_ ev_check *w);
		541
		542	# if EV_FORK_ENABLE
		543	void ev_fork_start (EV_P_ ev_fork *w);
		544	void ev_fork_stop (EV_P_ ev_fork *w);
		545	# endif
		546
		547	# if EV_EMBED_ENABLE
		548	/* only supported when loop to be embedded is in fact embeddable */
		549	void ev_embed_start (EV_P_ ev_embed *w);
		550	void ev_embed_stop (EV_P_ ev_embed *w);
		551	void ev_embed_sweep (EV_P_ ev_embed *w);
		552	# endif
		553
378	#endif	554	#endif
379		555
380	#ifdef __cplusplus	556	#ifdef __cplusplus
381	}	557	}
382	#endif	558	#endif

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Comparing libev/ev.h (file contents): Revision 1.45 by root, Fri Nov 9 21:48:23 2007 UTC vs. Revision 1.90 by root, Tue Dec 25 07:05:45 2007 UTC

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Comparing libev/ev.h (file contents):
Revision 1.45 by root, Fri Nov 9 21:48:23 2007 UTC vs.
Revision 1.90 by root, Tue Dec 25 07:05:45 2007 UTC