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

Comparing libev/ev.h (file contents):
Revision 1.69 by root, Mon Nov 26 19:49:36 2007 UTC vs.
Revision 1.102 by root, Thu May 22 02:44:57 2008 UTC

…		…
1	/*	1	/*
		2	* libev native API header
		3	*
2	* Copyright (c) 2007 Marc Alexander Lehmann <libev@schmorp.de>	4	* Copyright (c) 2007,2008 Marc Alexander Lehmann <libev@schmorp.de>
3	* All rights reserved.	5	* All rights reserved.
4	*	6	*
5	* Redistribution and use in source and binary forms, with or without	7	* Redistribution and use in source and binary forms, with or without modifica-
6	* modification, are permitted provided that the following conditions are	8	* tion, are permitted provided that the following conditions are met:
7	* met:	9	*
		10	* 1. Redistributions of source code must retain the above copyright notice,
		11	* this list of conditions and the following disclaimer.
		12	*
		13	* 2. Redistributions in binary form must reproduce the above copyright
		14	* notice, this list of conditions and the following disclaimer in the
		15	* documentation and/or other materials provided with the distribution.
		16	*
		17	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
		18	* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER-
		19	* CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
		20	* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE-
		21	* CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
		22	* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
		23	* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
		24	* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH-
		25	* ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
		26	* OF THE POSSIBILITY OF SUCH DAMAGE.
8	*	27	*
9	* * Redistributions of source code must retain the above copyright	28	* Alternatively, the contents of this file may be used under the terms of
10	* notice, this list of conditions and the following disclaimer.	29	* the GNU General Public License ("GPL") version 2 or any later version,
11	*	30	* in which case the provisions of the GPL are applicable instead of
12	* * Redistributions in binary form must reproduce the above	31	* the above. If you wish to allow the use of your version of this file
13	* copyright notice, this list of conditions and the following	32	* only under the terms of the GPL and not to allow others to use your
14	* disclaimer in the documentation and/or other materials provided	33	* version of this file under the BSD license, indicate your decision
15	* with the distribution.	34	* by deleting the provisions above and replace them with the notice
16	*	35	* and other provisions required by the GPL. If you do not delete the
17	* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS	36	* provisions above, a recipient may use your version of this file under
18	* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT	37	* either the BSD or the GPL.
19	* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
20	* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
21	* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
22	* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
23	* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
27	* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28	*/	38	*/
29		39
30	#ifndef EV_H__	40	#ifndef EV_H__
31	#define EV_H__	41	#define EV_H__
32		42
54		64
55	#ifndef EV_STAT_ENABLE	65	#ifndef EV_STAT_ENABLE
56	# define EV_STAT_ENABLE 1	66	# define EV_STAT_ENABLE 1
57	#endif	67	#endif
58		68
		69	#ifndef EV_IDLE_ENABLE
		70	# define EV_IDLE_ENABLE 1
		71	#endif
		72
		73	#ifndef EV_FORK_ENABLE
		74	# define EV_FORK_ENABLE 1
		75	#endif
		76
59	#ifndef EV_EMBED_ENABLE	77	#ifndef EV_EMBED_ENABLE
60	# define EV_EMBED_ENABLE 1	78	# define EV_EMBED_ENABLE 1
		79	#endif
		80
		81	#ifndef EV_ASYNC_ENABLE
		82	# define EV_ASYNC_ENABLE 1
		83	#endif
		84
		85	#ifndef EV_ATOMIC_T
		86	# include <signal.h>
		87	# define EV_ATOMIC_T sig_atomic_t volatile
61	#endif	88	#endif
62		89
63	/*****************************************************************************/	90	/*****************************************************************************/
64		91
65	#if EV_STAT_ENABLE	92	#if EV_STAT_ENABLE
…		…
71	struct ev_loop;	98	struct ev_loop;
72	# define EV_P struct ev_loop *loop	99	# define EV_P struct ev_loop *loop
73	# define EV_P_ EV_P,	100	# define EV_P_ EV_P,
74	# define EV_A loop	101	# define EV_A loop
75	# define EV_A_ EV_A,	102	# define EV_A_ EV_A,
		103	# define EV_DEFAULT_UC ev_default_loop_uc ()
		104	# define EV_DEFAULT_UC_ EV_DEFAULT_UC,
76	# define EV_DEFAULT_A ev_default_loop (0)	105	# define EV_DEFAULT ev_default_loop (0)
77	# define EV_DEFAULT_A_ EV_DEFAULT_A,	106	# define EV_DEFAULT_ EV_DEFAULT,
78	#else	107	#else
79	# define EV_P void	108	# define EV_P void
80	# define EV_P_	109	# define EV_P_
81	# define EV_A	110	# define EV_A
82	# define EV_A_	111	# define EV_A_
		112	# define EV_DEFAULT
83	# define EV_DEFAULT_A	113	# define EV_DEFAULT_
		114	# define EV_DEFAULT_UC
84	# define EV_DEFAULT_A_	115	# define EV_DEFAULT_UC_
85
86	# undef EV_EMBED_ENABLE	116	# undef EV_EMBED_ENABLE
87	#endif	117	#endif
88		118
		119	#if __STDC_VERSION__ >= 199901L \|\| __GNUC__ >= 3
		120	# define EV_INLINE static inline
		121	#else
		122	# define EV_INLINE static
		123	#endif
		124
		125	/*****************************************************************************/
		126
89	/* eventmask, revents, events... */	127	/* eventmask, revents, events... */
90	#define EV_UNDEF -1L /* guaranteed to be invalid */	128	#define EV_UNDEF -1 /* guaranteed to be invalid */
91	#define EV_NONE 0x00L /* no events */	129	#define EV_NONE 0x00 /* no events */
92	#define EV_READ 0x01L /* ev_io detected read will not block */	130	#define EV_READ 0x01 /* ev_io detected read will not block */
93	#define EV_WRITE 0x02L /* ev_io detected write will not block */	131	#define EV_WRITE 0x02 /* ev_io detected write will not block */
		132	#define EV_IOFDSET 0x80 /* internal use only */
94	#define EV_TIMEOUT 0x00000100L /* timer timed out */	133	#define EV_TIMEOUT 0x00000100 /* timer timed out */
95	#define EV_PERIODIC 0x00000200L /* periodic timer timed out */	134	#define EV_PERIODIC 0x00000200 /* periodic timer timed out */
96	#define EV_SIGNAL 0x00000400L /* signal was received */	135	#define EV_SIGNAL 0x00000400 /* signal was received */
		136	#define EV_CHILD 0x00000800 /* child/pid had status change */
		137	#define EV_STAT 0x00001000 /* stat data changed */
97	#define EV_IDLE 0x00000800L /* event loop is idling */	138	#define EV_IDLE 0x00002000 /* event loop is idling */
98	#define EV_PREPARE 0x00001000L /* event loop about to poll */	139	#define EV_PREPARE 0x00004000 /* event loop about to poll */
99	#define EV_CHECK 0x00002000L /* event loop finished poll */	140	#define EV_CHECK 0x00008000 /* event loop finished poll */
100	#define EV_CHILD 0x00004000L /* child/pid had status change */
101	#define EV_EMBED 0x00008000L /* embedded event loop needs sweep */	141	#define EV_EMBED 0x00010000 /* embedded event loop needs sweep */
102	#define EV_STAT 0x00010000L /* stat data changed */	142	#define EV_FORK 0x00020000 /* event loop resumed in child */
		143	#define EV_ASYNC 0x00040000 /* async intra-loop signal */
103	#define EV_ERROR 0x80000000L /* sent when an error occurs */	144	#define EV_ERROR 0x80000000 /* sent when an error occurs */
104		145
105	/* can be used to add custom fields to all watchers, while losing binary compatibility */	146	/* can be used to add custom fields to all watchers, while losing binary compatibility */
106	#ifndef EV_COMMON	147	#ifndef EV_COMMON
107	# define EV_COMMON void *data;	148	# define EV_COMMON void *data;
108	#endif	149	#endif
109	#ifndef EV_PROTOTYPES	150	#ifndef EV_PROTOTYPES
110	# define EV_PROTOTYPES 1	151	# define EV_PROTOTYPES 1
111	#endif	152	#endif
112		153
113	#define EV_VERSION_MAJOR 1	154	#define EV_VERSION_MAJOR 3
114	#define EV_VERSION_MINOR 1	155	#define EV_VERSION_MINOR 0
115		156
116	#ifndef EV_CB_DECLARE	157	#ifndef EV_CB_DECLARE
117	# define EV_CB_DECLARE(type) void (cb)(EV_P_ struct type w, int revents);	158	# define EV_CB_DECLARE(type) void (cb)(EV_P_ struct type w, int revents);
118	#endif	159	#endif
119	#ifndef EV_CB_INVOKE	160	#ifndef EV_CB_INVOKE
…		…
123	/*	164	/*
124	* struct member types:	165	* struct member types:
125	* private: you can look at them, but not change them, and they might not mean anything to you.	166	* private: you can look at them, but not change them, and they might not mean anything to you.
126	* ro: can be read anytime, but only changed when the watcher isn't active	167	* ro: can be read anytime, but only changed when the watcher isn't active
127	* rw: can be read and modified anytime, even when the watcher is active	168	* rw: can be read and modified anytime, even when the watcher is active
		169	*
		170	* some internal details that might be helpful for debugging:
		171	*
		172	* active is either 0, which means the watcher is not active,
		173	* or the array index of the watcher (periodics, timers)
		174	* or the array index + 1 (most other watchers)
		175	* or simply 1 for watchers that aren't in some array.
		176	* pending is either 0, in which case the watcher isn't,
		177	* or the array index + 1 in the pendings array.
128	*/	178	*/
129		179
130	/* shared by all watchers */	180	/* shared by all watchers */
131	#define EV_WATCHER(type) \	181	#define EV_WATCHER(type) \
132	int active; /* private */ \	182	int active; /* private */ \
…		…
159	typedef struct ev_watcher_time	209	typedef struct ev_watcher_time
160	{	210	{
161	EV_WATCHER_TIME (ev_watcher_time)	211	EV_WATCHER_TIME (ev_watcher_time)
162	} ev_watcher_time;	212	} ev_watcher_time;
163		213
		214	/* invoked when fd is either EV_READable or EV_WRITEable */
		215	/* revent EV_READ, EV_WRITE */
		216	typedef struct ev_io
		217	{
		218	EV_WATCHER_LIST (ev_io)
		219
		220	int fd; /* ro */
		221	int events; /* ro */
		222	} ev_io;
		223
164	/* invoked after a specific time, repeatable (based on monotonic clock) */	224	/* invoked after a specific time, repeatable (based on monotonic clock) */
165	/* revent EV_TIMEOUT */	225	/* revent EV_TIMEOUT */
166	typedef struct ev_timer	226	typedef struct ev_timer
167	{	227	{
168	EV_WATCHER_TIME (ev_timer)	228	EV_WATCHER_TIME (ev_timer)
…		…
174	/* revent EV_PERIODIC */	234	/* revent EV_PERIODIC */
175	typedef struct ev_periodic	235	typedef struct ev_periodic
176	{	236	{
177	EV_WATCHER_TIME (ev_periodic)	237	EV_WATCHER_TIME (ev_periodic)
178		238
		239	ev_tstamp offset; /* rw */
179	ev_tstamp interval; /* rw */	240	ev_tstamp interval; /* rw */
180	ev_tstamp (reschedule_cb)(struct ev_periodic w, ev_tstamp now); /* rw */	241	ev_tstamp (reschedule_cb)(struct ev_periodic w, ev_tstamp now); /* rw */
181	} ev_periodic;	242	} ev_periodic;
182		243
183	/* invoked when fd is either EV_READable or EV_WRITEable */
184	/* revent EV_READ, EV_WRITE */
185	typedef struct ev_io
186	{
187	EV_WATCHER_LIST (ev_io)
188
189	int fd; /* ro */
190	int events; /* ro */
191	} ev_io;
192
193	/* invoked when the given signal has been received */	244	/* invoked when the given signal has been received */
194	/* revent EV_SIGNAL */	245	/* revent EV_SIGNAL */
195	typedef struct ev_signal	246	typedef struct ev_signal
196	{	247	{
197	EV_WATCHER_LIST (ev_signal)	248	EV_WATCHER_LIST (ev_signal)
198		249
199	int signum; /* ro */	250	int signum; /* ro */
200	} ev_signal;	251	} ev_signal;
201		252
		253	/* invoked when sigchld is received and waitpid indicates the given pid */
		254	/* revent EV_CHILD */
		255	/* does not support priorities */
		256	typedef struct ev_child
		257	{
		258	EV_WATCHER_LIST (ev_child)
		259
		260	int flags; /* private */
		261	int pid; /* ro */
		262	int rpid; /* rw, holds the received pid */
		263	int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */
		264	} ev_child;
		265
		266	#if EV_STAT_ENABLE
		267	/* st_nlink = 0 means missing file or other error */
		268	# ifdef _WIN32
		269	typedef struct _stati64 ev_statdata;
		270	# else
		271	typedef struct stat ev_statdata;
		272	# endif
		273
		274	/* invoked each time the stat data changes for a given path */
		275	/* revent EV_STAT */
		276	typedef struct ev_stat
		277	{
		278	EV_WATCHER_LIST (ev_stat)
		279
		280	ev_timer timer; /* private */
		281	ev_tstamp interval; /* ro */
		282	const char path; / ro */
		283	ev_statdata prev; /* ro */
		284	ev_statdata attr; /* ro */
		285
		286	int wd; /* wd for inotify, fd for kqueue */
		287	} ev_stat;
		288	#endif
		289
		290	#if EV_IDLE_ENABLE
202	/* invoked when the nothing else needs to be done, keeps the process from blocking */	291	/* invoked when the nothing else needs to be done, keeps the process from blocking */
203	/* revent EV_IDLE */	292	/* revent EV_IDLE */
204	typedef struct ev_idle	293	typedef struct ev_idle
205	{	294	{
206	EV_WATCHER (ev_idle)	295	EV_WATCHER (ev_idle)
207	} ev_idle;	296	} ev_idle;
		297	#endif
208		298
209	/* invoked for each run of the mainloop, just before the blocking call */	299	/* invoked for each run of the mainloop, just before the blocking call */
210	/* you can still change events in any way you like */	300	/* you can still change events in any way you like */
211	/* revent EV_PREPARE */	301	/* revent EV_PREPARE */
212	typedef struct ev_prepare	302	typedef struct ev_prepare
…		…
219	typedef struct ev_check	309	typedef struct ev_check
220	{	310	{
221	EV_WATCHER (ev_check)	311	EV_WATCHER (ev_check)
222	} ev_check;	312	} ev_check;
223		313
224	/* invoked when sigchld is received and waitpid indicates the given pid */	314	#if EV_FORK_ENABLE
225	/* revent EV_CHILD */	315	/* the callback gets invoked before check in the child process when a fork was detected */
226	/* does not support priorities */
227	typedef struct ev_child	316	typedef struct ev_fork
228	{	317	{
229	EV_WATCHER_LIST (ev_child)	318	EV_WATCHER (ev_fork)
230		319	} ev_fork;
231	int pid; /* ro */	320	#endif
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		321
236	#if EV_EMBED_ENABLE	322	#if EV_EMBED_ENABLE
237	/* used to embed an event loop inside another */	323	/* used to embed an event loop inside another */
238	/* the callback gets invoked when the event loop has handled events, and can be 0 */	324	/* the callback gets invoked when the event loop has handled events, and can be 0 */
239	typedef struct ev_embed	325	typedef struct ev_embed
240	{	326	{
241	EV_WATCHER (ev_embed)	327	EV_WATCHER (ev_embed)
242		328
243	ev_io io; /* private */
244	struct ev_loop loop; / ro */	329	struct ev_loop other; / ro */
		330	ev_io io; /* private */
		331	ev_prepare prepare; /* private */
		332	ev_check check; /* unused */
		333	ev_timer timer; /* unused */
		334	ev_periodic periodic; /* unused */
		335	ev_idle idle; /* unused */
		336	ev_fork fork; /* unused */
245	} ev_embed;	337	} ev_embed;
246	#endif	338	#endif
247		339
248	#if EV_STAT_ENABLE	340	#if EV_ASYNC_ENABLE
249	/* st_nlink = 0 means missing file or other error */	341	/* invoked when somebody calls ev_async_send on the watcher */
250	typedef struct stat ev_statdata;
251
252	/* invoked each time the stat data changes for a given path */
253	/* revent EV_STAT */	342	/* revent EV_ASYNC */
254	typedef struct ev_stat	343	typedef struct ev_async
255	{	344	{
256	EV_WATCHER (ev_stat)	345	EV_WATCHER (ev_async)
257		346
258	ev_timer timer; /* private */	347	EV_ATOMIC_T sent; /* private */
259	ev_tstamp interval; /* rw */	348	} ev_async;
260	const char path; / ro */	349
261	ev_statdata prev; /* ro */	350	# define ev_async_pending(w) ((w)->sent + 0)
262	ev_statdata attr; /* ro */
263	} ev_stat;
264	#endif	351	#endif
265		352
266	/* the presence of this union forces similar struct layout */	353	/* the presence of this union forces similar struct layout */
267	union ev_any_watcher	354	union ev_any_watcher
268	{	355	{
…		…
270	struct ev_watcher_list wl;	357	struct ev_watcher_list wl;
271		358
272	struct ev_io io;	359	struct ev_io io;
273	struct ev_timer timer;	360	struct ev_timer timer;
274	struct ev_periodic periodic;	361	struct ev_periodic periodic;
		362	struct ev_signal signal;
		363	struct ev_child child;
		364	#if EV_STAT_ENABLE
		365	struct ev_stat stat;
		366	#endif
		367	#if EV_IDLE_ENABLE
275	struct ev_idle idle;	368	struct ev_idle idle;
		369	#endif
276	struct ev_prepare prepare;	370	struct ev_prepare prepare;
277	struct ev_check check;	371	struct ev_check check;
278	struct ev_signal signal;	372	#if EV_FORK_ENABLE
279	struct ev_child child;	373	struct ev_fork fork;
		374	#endif
280	#if EV_EMBED_ENABLE	375	#if EV_EMBED_ENABLE
281	struct ev_embed embed;	376	struct ev_embed embed;
282	#endif	377	#endif
283	#if EV_STAT_ENABLE	378	#if EV_ASYNC_ENABLE
284	struct ev_stat stat;	379	struct ev_async async;
285	#endif	380	#endif
286	};	381	};
287		382
288	/* bits for ev_default_loop and ev_loop_new */	383	/* bits for ev_default_loop and ev_loop_new */
289	/* the default */	384	/* the default */
290	#define EVFLAG_AUTO 0x00000000UL /* not quite a mask */	385	#define EVFLAG_AUTO 0x00000000U /* not quite a mask */
291	/* flag bits */	386	/* flag bits */
292	#define EVFLAG_NOENV 0x01000000UL /* do NOT consult environment */	387	#define EVFLAG_NOENV 0x01000000U /* do NOT consult environment */
		388	#define EVFLAG_FORKCHECK 0x02000000U /* check for a fork in each iteration */
293	/* method bits to be ored together */	389	/* method bits to be ored together */
294	#define EVBACKEND_SELECT 0x00000001UL /* about anywhere */	390	#define EVBACKEND_SELECT 0x00000001U /* about anywhere */
295	#define EVBACKEND_POLL 0x00000002UL /* !win */	391	#define EVBACKEND_POLL 0x00000002U /* !win */
296	#define EVBACKEND_EPOLL 0x00000004UL /* linux */	392	#define EVBACKEND_EPOLL 0x00000004U /* linux */
297	#define EVBACKEND_KQUEUE 0x00000008UL /* bsd */	393	#define EVBACKEND_KQUEUE 0x00000008U /* bsd */
298	#define EVBACKEND_DEVPOLL 0x00000010UL /* solaris 8 / / NYI */	394	#define EVBACKEND_DEVPOLL 0x00000010U /* solaris 8 / / NYI */
299	#define EVBACKEND_PORT 0x00000020UL /* solaris 10 */	395	#define EVBACKEND_PORT 0x00000020U /* solaris 10 */
300		396
301	#if EV_PROTOTYPES	397	#if EV_PROTOTYPES
302	int ev_version_major (void);	398	int ev_version_major (void);
303	int ev_version_minor (void);	399	int ev_version_minor (void);
304		400
305	unsigned int ev_supported_backends (void);	401	unsigned int ev_supported_backends (void);
306	unsigned int ev_recommended_backends (void);	402	unsigned int ev_recommended_backends (void);
307	unsigned int ev_embeddable_backends (void);	403	unsigned int ev_embeddable_backends (void);
308		404
309	ev_tstamp ev_time (void);	405	ev_tstamp ev_time (void);
		406	void ev_sleep (ev_tstamp delay); /* sleep for a while */
310		407
311	/* Sets the allocation function to use, works like realloc.	408	/* Sets the allocation function to use, works like realloc.
312	* It is used to allocate and free memory.	409	* It is used to allocate and free memory.
313	* If it returns zero when memory needs to be allocated, the library might abort	410	* If it returns zero when memory needs to be allocated, the library might abort
314	* or take some potentially destructive action.	411	* or take some potentially destructive action.
…		…
320	* retryable syscall error	417	* retryable syscall error
321	* (such as failed select, poll, epoll_wait)	418	* (such as failed select, poll, epoll_wait)
322	*/	419	*/
323	void ev_set_syserr_cb (void (cb)(const char msg));	420	void ev_set_syserr_cb (void (cb)(const char msg));
324		421
325	# if EV_MULTIPLICITY	422	#if EV_MULTIPLICITY
		423	EV_INLINE struct ev_loop *
		424	ev_default_loop_uc (void)
		425	{
		426	extern struct ev_loop *ev_default_loop_ptr;
		427
		428	return ev_default_loop_ptr;
		429	}
		430
326	/* the default loop is the only one that handles signals and child watchers */	431	/* the default loop is the only one that handles signals and child watchers */
327	/* you can call this as often as you like */	432	/* you can call this as often as you like */
328	static struct ev_loop *	433	EV_INLINE struct ev_loop *
329	ev_default_loop (unsigned int flags)	434	ev_default_loop (unsigned int flags)
330	{	435	{
331	extern struct ev_loop *ev_default_loop_ptr;	436	struct ev_loop *loop = ev_default_loop_uc ();
		437
		438	if (!loop)
		439	{
332	extern struct ev_loop *ev_default_loop_init (unsigned int flags);	440	extern struct ev_loop *ev_default_loop_init (unsigned int flags);
333		441
334	if (!ev_default_loop_ptr)
335	ev_default_loop_init (flags);	442	loop = ev_default_loop_init (flags);
		443	}
336		444
337	return ev_default_loop_ptr;	445	return loop;
338	}	446	}
339		447
340	/* create and destroy alternative loops that don't handle signals */	448	/* create and destroy alternative loops that don't handle signals */
341	struct ev_loop *ev_loop_new (unsigned int flags);	449	struct ev_loop *ev_loop_new (unsigned int flags);
342	void ev_loop_destroy (EV_P);	450	void ev_loop_destroy (EV_P);
343	void ev_loop_fork (EV_P);	451	void ev_loop_fork (EV_P);
		452	void ev_loop_verify (EV_P);
344		453
345	ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */	454	ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */
346		455
347	# else	456	#else
348		457
349	int ev_default_loop (unsigned int flags); /* returns true when successful */	458	int ev_default_loop (unsigned int flags); /* returns true when successful */
350		459
351	static ev_tstamp	460	EV_INLINE ev_tstamp
352	ev_now (void)	461	ev_now (void)
353	{	462	{
354	extern ev_tstamp ev_rt_now;	463	extern ev_tstamp ev_rt_now;
355		464
356	return ev_rt_now;	465	return ev_rt_now;
357	}	466	}
		467	#endif /* multiplicity */
		468
		469	EV_INLINE int
		470	ev_is_default_loop (EV_P)
		471	{
		472	#if EV_MULTIPLICITY
		473	extern struct ev_loop *ev_default_loop_ptr;
		474
		475	return !!(EV_A == ev_default_loop_ptr);
		476	#else
		477	return 1;
358	# endif	478	#endif
		479	}
359		480
360	void ev_default_destroy (void); /* destroy the default loop */	481	void ev_default_destroy (void); /* destroy the default loop */
361	/* this needs to be called after fork, to duplicate the default loop */	482	/* this needs to be called after fork, to duplicate the default loop */
362	/* if you create alternative loops you have to call ev_loop_fork on them */	483	/* if you create alternative loops you have to call ev_loop_fork on them */
363	/* you can call it in either the parent or the child */	484	/* you can call it in either the parent or the child */
364	/* you can actually call it at any time, anywhere :) */	485	/* you can actually call it at any time, anywhere :) */
365	void ev_default_fork (void);	486	void ev_default_fork (void);
366		487
367	unsigned int ev_backend (EV_P);	488	unsigned int ev_backend (EV_P); /* backend in use by loop */
368	#endif	489	unsigned int ev_loop_count (EV_P); /* number of loop iterations */
		490	#endif /* prototypes */
369		491
370	#define EVLOOP_NONBLOCK 1 /* do not block/wait */	492	#define EVLOOP_NONBLOCK 1 /* do not block/wait */
371	#define EVLOOP_ONESHOT 2 /* block once only */	493	#define EVLOOP_ONESHOT 2 /* block once only */
372	#define EVUNLOOP_CANCEL 0 /* undo unloop */	494	#define EVUNLOOP_CANCEL 0 /* undo unloop */
373	#define EVUNLOOP_ONE 1 /* unloop once */	495	#define EVUNLOOP_ONE 1 /* unloop once */
374	#define EVUNLOOP_ALL 2 /* unloop all loops */	496	#define EVUNLOOP_ALL 2 /* unloop all loops */
375		497
376	#if EV_PROTOTYPES	498	#if EV_PROTOTYPES
377	void ev_loop (EV_P_ int flags);	499	void ev_loop (EV_P_ int flags);
378	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 */	500	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 */
		501
		502	void ev_set_io_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */
		503	void ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */
379		504
380	/*	505	/*
381	* ref/unref can be used to add or remove a refcount on the mainloop. every watcher	506	* ref/unref can be used to add or remove a refcount on the mainloop. every watcher
382	* keeps one reference. if you have a long-runing watcher you never unregister that	507	* keeps one reference. if you have a long-runing watcher you never unregister that
383	* should not keep ev_loop from running, unref() after starting, and ref() before stopping.	508	* should not keep ev_loop from running, unref() after starting, and ref() before stopping.
…		…
390	void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (cb)(int revents, void arg), void *arg);	515	void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (cb)(int revents, void arg), void *arg);
391	#endif	516	#endif
392		517
393	/* these may evaluate ev multiple times, and the other arguments at most once */	518	/* these may evaluate ev multiple times, and the other arguments at most once */
394	/* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */	519	/* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */
395	#define ev_init(ev,cb_) do { \	520	#define ev_init(ev,cb_) do { \
396	((ev_watcher )(void )(ev))->active = \	521	((ev_watcher )(void )(ev))->active = \
397	((ev_watcher )(void )(ev))->pending = \	522	((ev_watcher )(void )(ev))->pending = \
398	((ev_watcher )(void )(ev))->priority = 0; \	523	((ev_watcher )(void )(ev))->priority = 0; \
399	ev_set_cb ((ev), cb_); \	524	ev_set_cb ((ev), cb_); \
400	} while (0)	525	} while (0)
401		526
402	#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_); } while (0)	527	#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_) \| EV_IOFDSET; } while (0)
403	#define ev_timer_set(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); } while (0)	528	#define ev_timer_set(ev,after_,repeat_) do { ((ev_watcher_time *)(ev))->at = (after_); (ev)->repeat = (repeat_); } while (0)
404	#define ev_periodic_set(ev,at_,ival_,res_) do { (ev)->at = (at_); (ev)->interval = (ival_); (ev)->reschedule_cb= (res_); } while (0)	529	#define ev_periodic_set(ev,ofs_,ival_,res_) do { (ev)->offset = (ofs_); (ev)->interval = (ival_); (ev)->reschedule_cb= (res_); } while (0)
405	#define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0)	530	#define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0)
		531	#define ev_child_set(ev,pid_,trace_) do { (ev)->pid = (pid_); (ev)->flags = !!(trace_); } while (0)
		532	#define ev_stat_set(ev,path_,interval_) do { (ev)->path = (path_); (ev)->interval = (interval_); (ev)->wd = -2; } while (0)
406	#define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */	533	#define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */
407	#define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */	534	#define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */
408	#define ev_check_set(ev) /* nop, yes, this is a serious in-joke */	535	#define ev_check_set(ev) /* nop, yes, this is a serious in-joke */
409	#define ev_child_set(ev,pid_) do { (ev)->pid = (pid_); } while (0)
410	#define ev_embed_set(ev,loop_) do { (ev)->loop = (loop_); } while (0)	536	#define ev_embed_set(ev,other_) do { (ev)->other = (other_); } while (0)
411	#define ev_stat_set(ev,path_,interval_) do { (ev)->path = (path_); (ev)->interval = (interval_); } while (0)	537	#define ev_fork_set(ev) /* nop, yes, this is a serious in-joke */
		538	#define ev_async_set(ev) do { (ev)->sent = 0; } while (0)
412		539
413	#define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)	540	#define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)
414	#define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0)	541	#define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0)
415	#define ev_periodic_init(ev,cb,at,ival,res) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(at),(ival),(res)); } while (0)	542	#define ev_periodic_init(ev,cb,at,ival,res) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(at),(ival),(res)); } while (0)
416	#define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0)	543	#define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0)
		544	#define ev_child_init(ev,cb,pid,trace) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid),(trace)); } while (0)
		545	#define ev_stat_init(ev,cb,path,interval) do { ev_init ((ev), (cb)); ev_stat_set ((ev),(path),(interval)); } while (0)
417	#define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0)	546	#define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0)
418	#define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0)	547	#define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0)
419	#define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0)	548	#define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0)
420	#define ev_child_init(ev,cb,pid) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid)); } while (0)
421	#define ev_embed_init(ev,cb,loop) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(loop)); } while (0)	549	#define ev_embed_init(ev,cb,other) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(other)); } while (0)
422	#define ev_stat_init(ev,cb,path,interval) do { ev_init ((ev), (cb)); ev_path_set ((ev),(path),(interval)); } while (0)	550	#define ev_fork_init(ev,cb) do { ev_init ((ev), (cb)); ev_fork_set ((ev)); } while (0)
		551	#define ev_async_init(ev,cb) do { ev_init ((ev), (cb)); ev_async_set ((ev)); } while (0)
423		552
424	#define ev_is_pending(ev) (0 + ((ev_watcher )(void )(ev))->pending) /* ro, true when watcher is waiting for callback invocation */	553	#define ev_is_pending(ev) (0 + ((ev_watcher )(void )(ev))->pending) /* ro, true when watcher is waiting for callback invocation */
425	#define ev_is_active(ev) (0 + ((ev_watcher )(void )(ev))->active) /* ro, true when the watcher has been started */	554	#define ev_is_active(ev) (0 + ((ev_watcher )(void )(ev))->active) /* ro, true when the watcher has been started */
426		555
427	#define ev_priority(ev) ((ev_watcher )(void )(ev))->priority /* rw */	556	#define ev_priority(ev) ((((ev_watcher )(void )(ev))->priority) + 0)
428	#define ev_cb(ev) (ev)->cb /* rw */	557	#define ev_cb(ev) (ev)->cb /* rw */
429	#define ev_set_priority(ev,pri) ev_priority (ev) = (pri)	558	#define ev_set_priority(ev,pri) ((ev_watcher )(void )(ev))->priority = (pri)
		559
		560	#define ev_periodic_at(ev) (((ev_watcher_time *)(ev))->at + 0.)
430		561
431	#ifndef ev_set_cb	562	#ifndef ev_set_cb
432	# define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_)	563	# define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_)
433	#endif	564	#endif
434		565
…		…
439	/* feeds an event into a watcher as if the event actually occured */	570	/* feeds an event into a watcher as if the event actually occured */
440	/* accepts any ev_watcher type */	571	/* accepts any ev_watcher type */
441	void ev_feed_event (EV_P_ void *w, int revents);	572	void ev_feed_event (EV_P_ void *w, int revents);
442	void ev_feed_fd_event (EV_P_ int fd, int revents);	573	void ev_feed_fd_event (EV_P_ int fd, int revents);
443	void ev_feed_signal_event (EV_P_ int signum);	574	void ev_feed_signal_event (EV_P_ int signum);
		575	void ev_invoke (EV_P_ void *w, int revents);
		576	int ev_clear_pending (EV_P_ void *w);
444		577
445	void ev_io_start (EV_P_ ev_io *w);	578	void ev_io_start (EV_P_ ev_io *w);
446	void ev_io_stop (EV_P_ ev_io *w);	579	void ev_io_stop (EV_P_ ev_io *w);
447		580
448	void ev_timer_start (EV_P_ ev_timer *w);	581	void ev_timer_start (EV_P_ ev_timer *w);
…		…
454	void ev_periodic_start (EV_P_ ev_periodic *w);	587	void ev_periodic_start (EV_P_ ev_periodic *w);
455	void ev_periodic_stop (EV_P_ ev_periodic *w);	588	void ev_periodic_stop (EV_P_ ev_periodic *w);
456	void ev_periodic_again (EV_P_ ev_periodic *w);	589	void ev_periodic_again (EV_P_ ev_periodic *w);
457	#endif	590	#endif
458		591
459	void ev_idle_start (EV_P_ ev_idle *w);
460	void ev_idle_stop (EV_P_ ev_idle *w);
461
462	void ev_prepare_start (EV_P_ ev_prepare *w);
463	void ev_prepare_stop (EV_P_ ev_prepare *w);
464
465	void ev_check_start (EV_P_ ev_check *w);
466	void ev_check_stop (EV_P_ ev_check *w);
467
468	/* only supported in the default loop */	592	/* only supported in the default loop */
469	void ev_signal_start (EV_P_ ev_signal *w);	593	void ev_signal_start (EV_P_ ev_signal *w);
470	void ev_signal_stop (EV_P_ ev_signal *w);	594	void ev_signal_stop (EV_P_ ev_signal *w);
471		595
472	/* only supported in the default loop */	596	/* only supported in the default loop */
473	void ev_child_start (EV_P_ ev_child *w);	597	void ev_child_start (EV_P_ ev_child *w);
474	void ev_child_stop (EV_P_ ev_child *w);	598	void ev_child_stop (EV_P_ ev_child *w);
		599
		600	# if EV_STAT_ENABLE
		601	void ev_stat_start (EV_P_ ev_stat *w);
		602	void ev_stat_stop (EV_P_ ev_stat *w);
		603	void ev_stat_stat (EV_P_ ev_stat *w);
		604	# endif
		605
		606	# if EV_IDLE_ENABLE
		607	void ev_idle_start (EV_P_ ev_idle *w);
		608	void ev_idle_stop (EV_P_ ev_idle *w);
		609	# endif
		610
		611	void ev_prepare_start (EV_P_ ev_prepare *w);
		612	void ev_prepare_stop (EV_P_ ev_prepare *w);
		613
		614	void ev_check_start (EV_P_ ev_check *w);
		615	void ev_check_stop (EV_P_ ev_check *w);
		616
		617	# if EV_FORK_ENABLE
		618	void ev_fork_start (EV_P_ ev_fork *w);
		619	void ev_fork_stop (EV_P_ ev_fork *w);
		620	# endif
475		621
476	# if EV_EMBED_ENABLE	622	# if EV_EMBED_ENABLE
477	/* only supported when loop to be embedded is in fact embeddable */	623	/* only supported when loop to be embedded is in fact embeddable */
478	void ev_embed_start (EV_P_ ev_embed *w);	624	void ev_embed_start (EV_P_ ev_embed *w);
479	void ev_embed_stop (EV_P_ ev_embed *w);	625	void ev_embed_stop (EV_P_ ev_embed *w);
480	void ev_embed_sweep (EV_P_ ev_embed *w);	626	void ev_embed_sweep (EV_P_ ev_embed *w);
481	# endif	627	# endif
482		628
483	# if EV_STAT_ENABLE	629	# if EV_ASYNC_ENABLE
484	void ev_stat_start (EV_P_ ev_stat *w);	630	void ev_async_start (EV_P_ ev_async *w);
485	void ev_stat_stop (EV_P_ ev_stat *w);	631	void ev_async_stop (EV_P_ ev_async *w);
486	void ev_stat_stat (EV_P_ ev_stat *w);	632	void ev_async_send (EV_P_ ev_async *w);
487	# endif	633	# endif
488		634
489	#endif	635	#endif
490		636
491	#ifdef __cplusplus	637	#ifdef __cplusplus

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Comparing libev/ev.h (file contents): Revision 1.69 by root, Mon Nov 26 19:49:36 2007 UTC vs. Revision 1.102 by root, Thu May 22 02:44:57 2008 UTC

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Comparing libev/ev.h (file contents):
Revision 1.69 by root, Mon Nov 26 19:49:36 2007 UTC vs.
Revision 1.102 by root, Thu May 22 02:44:57 2008 UTC