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

Comparing libev/ev.h (file contents):
Revision 1.64 by root, Fri Nov 23 19:13:33 2007 UTC vs.
Revision 1.176 by root, Tue Sep 9 13:28:21 2014 UTC

…		…
1	/*	1	/*
		2	* libev native API header
		3	*
2	* Copyright (c) 2007 Marc Alexander Lehmann <libev@schmorp.de>	4	* Copyright (c) 2007,2008,2009,2010,2011,2012 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:
8	*	9	*
9	* * Redistributions of source code must retain the above copyright	10	* 1. Redistributions of source code must retain the above copyright notice,
10	* notice, this list of conditions and the following disclaimer.	11	* this list of conditions and the following disclaimer.
11	*	12	*
12	* * Redistributions in binary form must reproduce the above	13	* 2. Redistributions in binary form must reproduce the above copyright
13	* copyright notice, this list of conditions and the following	14	* notice, this list of conditions and the following disclaimer in the
14	* disclaimer in the documentation and/or other materials provided	15	* documentation and/or other materials provided with the distribution.
15	* with the distribution.
16	*	16	*
17	* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS	17	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
18	* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT	18	* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER-
19	* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR	19	* CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
20	* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT	20	* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE-
21	* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
22	* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT	21	* CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
23	* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,	22	* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
24	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY	23	* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
25	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT	24	* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH-
26	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE	25	* ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
27	* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.	26	* OF THE POSSIBILITY OF SUCH DAMAGE.
		27	*
		28	* Alternatively, the contents of this file may be used under the terms of
		29	* the GNU General Public License ("GPL") version 2 or any later version,
		30	* in which case the provisions of the GPL are applicable instead of
		31	* the above. If you wish to allow the use of your version of this file
		32	* only under the terms of the GPL and not to allow others to use your
		33	* version of this file under the BSD license, indicate your decision
		34	* by deleting the provisions above and replace them with the notice
		35	* and other provisions required by the GPL. If you do not delete the
		36	* provisions above, a recipient may use your version of this file under
		37	* either the BSD or the GPL.
28	*/	38	*/
29		39
30	#ifndef EV_H__	40	#ifndef EV_H_
31	#define EV_H__	41	#define EV_H_
32		42
33	#ifdef __cplusplus	43	#ifdef __cplusplus
		44	# define EV_CPP(x) x
		45	#else
		46	# define EV_CPP(x)
		47	#endif
		48
		49	#define EV_THROW EV_CPP(throw())
		50
		51	#if __APPLE__ && __clang__
		52	# undef EV_THROW
		53	# define EV_THROW
		54	#endif
		55
34	extern "C" {	56	EV_CPP(extern "C" {)
		57
		58	/*****************************************************************************/
		59
		60	/* pre-4.0 compatibility */
		61	#ifndef EV_COMPAT3
		62	# define EV_COMPAT3 1
		63	#endif
		64
		65	#ifndef EV_FEATURES
		66	# if defined __OPTIMIZE_SIZE__
		67	# define EV_FEATURES 0x7c
		68	# else
		69	# define EV_FEATURES 0x7f
35	#endif	70	# endif
		71	#endif
		72
		73	#define EV_FEATURE_CODE ((EV_FEATURES) & 1)
		74	#define EV_FEATURE_DATA ((EV_FEATURES) & 2)
		75	#define EV_FEATURE_CONFIG ((EV_FEATURES) & 4)
		76	#define EV_FEATURE_API ((EV_FEATURES) & 8)
		77	#define EV_FEATURE_WATCHERS ((EV_FEATURES) & 16)
		78	#define EV_FEATURE_BACKENDS ((EV_FEATURES) & 32)
		79	#define EV_FEATURE_OS ((EV_FEATURES) & 64)
		80
		81	/* these priorities are inclusive, higher priorities will be invoked earlier */
		82	#ifndef EV_MINPRI
		83	# define EV_MINPRI (EV_FEATURE_CONFIG ? -2 : 0)
		84	#endif
		85	#ifndef EV_MAXPRI
		86	# define EV_MAXPRI (EV_FEATURE_CONFIG ? +2 : 0)
		87	#endif
		88
		89	#ifndef EV_MULTIPLICITY
		90	# define EV_MULTIPLICITY EV_FEATURE_CONFIG
		91	#endif
		92
		93	#ifndef EV_PERIODIC_ENABLE
		94	# define EV_PERIODIC_ENABLE EV_FEATURE_WATCHERS
		95	#endif
		96
		97	#ifndef EV_STAT_ENABLE
		98	# define EV_STAT_ENABLE EV_FEATURE_WATCHERS
		99	#endif
		100
		101	#ifndef EV_PREPARE_ENABLE
		102	# define EV_PREPARE_ENABLE EV_FEATURE_WATCHERS
		103	#endif
		104
		105	#ifndef EV_CHECK_ENABLE
		106	# define EV_CHECK_ENABLE EV_FEATURE_WATCHERS
		107	#endif
		108
		109	#ifndef EV_IDLE_ENABLE
		110	# define EV_IDLE_ENABLE EV_FEATURE_WATCHERS
		111	#endif
		112
		113	#ifndef EV_FORK_ENABLE
		114	# define EV_FORK_ENABLE EV_FEATURE_WATCHERS
		115	#endif
		116
		117	#ifndef EV_CLEANUP_ENABLE
		118	# define EV_CLEANUP_ENABLE EV_FEATURE_WATCHERS
		119	#endif
		120
		121	#ifndef EV_SIGNAL_ENABLE
		122	# define EV_SIGNAL_ENABLE EV_FEATURE_WATCHERS
		123	#endif
		124
		125	#ifndef EV_CHILD_ENABLE
		126	# ifdef _WIN32
		127	# define EV_CHILD_ENABLE 0
		128	# else
		129	# define EV_CHILD_ENABLE EV_FEATURE_WATCHERS
		130	#endif
		131	#endif
		132
		133	#ifndef EV_ASYNC_ENABLE
		134	# define EV_ASYNC_ENABLE EV_FEATURE_WATCHERS
		135	#endif
		136
		137	#ifndef EV_EMBED_ENABLE
		138	# define EV_EMBED_ENABLE EV_FEATURE_WATCHERS
		139	#endif
		140
		141	#ifndef EV_WALK_ENABLE
		142	# define EV_WALK_ENABLE 0 /* not yet */
		143	#endif
		144
		145	/*****************************************************************************/
		146
		147	#if EV_CHILD_ENABLE && !EV_SIGNAL_ENABLE
		148	# undef EV_SIGNAL_ENABLE
		149	# define EV_SIGNAL_ENABLE 1
		150	#endif
		151
		152	/*****************************************************************************/
36		153
37	typedef double ev_tstamp;	154	typedef double ev_tstamp;
38		155
39	/* these priorities are inclusive, higher priorities will be called earlier */	156	#ifndef EV_ATOMIC_T
40	#ifndef EV_MINPRI	157	# include <signal.h>
41	# define EV_MINPRI -2	158	# define EV_ATOMIC_T sig_atomic_t volatile
		159	#endif
		160
		161	#if EV_STAT_ENABLE
		162	# ifdef _WIN32
		163	# include <time.h>
		164	# include <sys/types.h>
42	#endif	165	# endif
43	#ifndef EV_MAXPRI	166	# include <sys/stat.h>
44	# define EV_MAXPRI +2
45	#endif
46
47	#ifndef EV_MULTIPLICITY
48	# define EV_MULTIPLICITY 1
49	#endif
50
51	#ifndef EV_PERIODICS
52	# define EV_PERIODICS 1
53	#endif	167	#endif
54		168
55	/* support multiple event loops? */	169	/* support multiple event loops? */
56	#if EV_MULTIPLICITY	170	#if EV_MULTIPLICITY
57	struct ev_loop;	171	struct ev_loop;
58	# define EV_P struct ev_loop *loop	172	# define EV_P struct ev_loop loop / a loop as sole parameter in a declaration */
59	# define EV_P_ EV_P,	173	# define EV_P_ EV_P, /* a loop as first of multiple parameters */
60	# define EV_A loop	174	# define EV_A loop /* a loop as sole argument to a function call */
61	# define EV_A_ EV_A,	175	# define EV_A_ EV_A, /* a loop as first of multiple arguments */
62	# define EV_DEFAULT_A ev_default_loop (0)	176	# define EV_DEFAULT_UC ev_default_loop_uc_ () /* the default loop, if initialised, as sole arg */
63	# define EV_DEFAULT_A_ EV_DEFAULT_A,	177	# define EV_DEFAULT_UC_ EV_DEFAULT_UC, /* the default loop as first of multiple arguments */
		178	# define EV_DEFAULT ev_default_loop (0) /* the default loop as sole arg */
		179	# define EV_DEFAULT_ EV_DEFAULT, /* the default loop as first of multiple arguments */
64	#else	180	#else
65	# define EV_P void	181	# define EV_P void
66	# define EV_P_	182	# define EV_P_
67	# define EV_A	183	# define EV_A
68	# define EV_A_	184	# define EV_A_
		185	# define EV_DEFAULT
69	# define EV_DEFAULT_A	186	# define EV_DEFAULT_
		187	# define EV_DEFAULT_UC
70	# define EV_DEFAULT_A_	188	# define EV_DEFAULT_UC_
		189	# undef EV_EMBED_ENABLE
71	#endif	190	#endif
		191
		192	/* EV_INLINE is used for functions in header files */
		193	#if __STDC_VERSION__ >= 199901L \|\| __GNUC__ >= 3
		194	# define EV_INLINE static inline
		195	#else
		196	# define EV_INLINE static
		197	#endif
		198
		199	#ifdef EV_API_STATIC
		200	# define EV_API_DECL static
		201	#else
		202	# define EV_API_DECL extern
		203	#endif
		204
		205	/* EV_PROTOTYPES can be used to switch of prototype declarations */
		206	#ifndef EV_PROTOTYPES
		207	# define EV_PROTOTYPES 1
		208	#endif
		209
		210	/*****************************************************************************/
		211
		212	#define EV_VERSION_MAJOR 4
		213	#define EV_VERSION_MINOR 18
72		214
73	/* eventmask, revents, events... */	215	/* eventmask, revents, events... */
74	#define EV_UNDEF -1L /* guaranteed to be invalid */	216	enum {
75	#define EV_NONE 0x00L	217	EV_UNDEF = (int)0xFFFFFFFF, /* guaranteed to be invalid */
76	#define EV_READ 0x01L /* io only */	218	EV_NONE = 0x00, /* no events */
77	#define EV_WRITE 0x02L /* io only */	219	EV_READ = 0x01, /* ev_io detected read will not block */
78	#define EV_TIMEOUT 0x000100L /* timer only */	220	EV_WRITE = 0x02, /* ev_io detected write will not block */
79	#define EV_PERIODIC 0x000200L /* periodic timer only */	221	EV__IOFDSET = 0x80, /* internal use only */
80	#define EV_SIGNAL 0x000400L /* signal only */	222	EV_IO = EV_READ, /* alias for type-detection */
81	#define EV_IDLE 0x000800L /* idle only */	223	EV_TIMER = 0x00000100, /* timer timed out */
82	#define EV_CHECK 0x001000L /* check only */	224	#if EV_COMPAT3
83	#define EV_PREPARE 0x002000L /* prepare only */	225	EV_TIMEOUT = EV_TIMER, /* pre 4.0 API compatibility */
84	#define EV_CHILD 0x004000L /* child/pid only */	226	#endif
85	#define EV_EMBED 0x008000L /* embedded event loop */	227	EV_PERIODIC = 0x00000200, /* periodic timer timed out */
		228	EV_SIGNAL = 0x00000400, /* signal was received */
		229	EV_CHILD = 0x00000800, /* child/pid had status change */
		230	EV_STAT = 0x00001000, /* stat data changed */
		231	EV_IDLE = 0x00002000, /* event loop is idling */
		232	EV_PREPARE = 0x00004000, /* event loop about to poll */
		233	EV_CHECK = 0x00008000, /* event loop finished poll */
		234	EV_EMBED = 0x00010000, /* embedded event loop needs sweep */
		235	EV_FORK = 0x00020000, /* event loop resumed in child */
		236	EV_CLEANUP = 0x00040000, /* event loop resumed in child */
		237	EV_ASYNC = 0x00080000, /* async intra-loop signal */
		238	EV_CUSTOM = 0x01000000, /* for use by user code */
86	#define EV_ERROR 0x800000L /* sent when an error occurs */	239	EV_ERROR = (int)0x80000000 /* sent when an error occurs */
		240	};
87		241
88	/* can be used to add custom fields to all watchers, while losing binary compatibility */	242	/* can be used to add custom fields to all watchers, while losing binary compatibility */
89	#ifndef EV_COMMON	243	#ifndef EV_COMMON
90	# define EV_COMMON void *data;	244	# define EV_COMMON void *data;
91	#endif	245	#endif
92	#ifndef EV_PROTOTYPES
93	# define EV_PROTOTYPES 1
94	#endif
95
96	#define EV_VERSION_MAJOR 1
97	#define EV_VERSION_MINOR 1
98		246
99	#ifndef EV_CB_DECLARE	247	#ifndef EV_CB_DECLARE
100	# define EV_CB_DECLARE(type) void (cb)(EV_P_ struct type w, int revents);	248	# define EV_CB_DECLARE(type) void (cb)(EV_P_ struct type w, int revents);
101	#endif	249	#endif
102	#ifndef EV_CB_INVOKE	250	#ifndef EV_CB_INVOKE
103	# define EV_CB_INVOKE(watcher,revents) (watcher)->cb (EV_A_ (watcher), (revents))	251	# define EV_CB_INVOKE(watcher,revents) (watcher)->cb (EV_A_ (watcher), (revents))
104	#endif	252	#endif
105		253
		254	/* not official, do not use */
		255	#define EV_CB(type,name) void name (EV_P_ struct ev_ ## type *w, int revents)
		256
106	/*	257	/*
107	* struct member types:	258	* struct member types:
108	* private: you can look at them, but not change them, and they might not mean anything to you.	259	* private: you may look at them, but not change them,
		260	* and they might not mean anything to you.
109	* ro: can be read anytime, but only changed when the watcher isn't active	261	* ro: can be read anytime, but only changed when the watcher isn't active.
110	* rw: can be read and modified anytime, even when the watcher is active	262	* rw: can be read and modified anytime, even when the watcher is active.
		263	*
		264	* some internal details that might be helpful for debugging:
		265	*
		266	* active is either 0, which means the watcher is not active,
		267	* or the array index of the watcher (periodics, timers)
		268	* or the array index + 1 (most other watchers)
		269	* or simply 1 for watchers that aren't in some array.
		270	* pending is either 0, in which case the watcher isn't,
		271	* or the array index + 1 in the pendings array.
111	*/	272	*/
		273
		274	#if EV_MINPRI == EV_MAXPRI
		275	# define EV_DECL_PRIORITY
		276	#elif !defined (EV_DECL_PRIORITY)
		277	# define EV_DECL_PRIORITY int priority;
		278	#endif
112		279
113	/* shared by all watchers */	280	/* shared by all watchers */
114	#define EV_WATCHER(type) \	281	#define EV_WATCHER(type) \
115	int active; /* private */ \	282	int active; /* private */ \
116	int pending; /* private */ \	283	int pending; /* private */ \
117	int priority; /* private */ \	284	EV_DECL_PRIORITY /* private */ \
118	EV_COMMON /* rw */ \	285	EV_COMMON /* rw */ \
119	EV_CB_DECLARE (type) /* private */	286	EV_CB_DECLARE (type) /* private */
120		287
121	#define EV_WATCHER_LIST(type) \	288	#define EV_WATCHER_LIST(type) \
122	EV_WATCHER (type) \	289	EV_WATCHER (type) \
125	#define EV_WATCHER_TIME(type) \	292	#define EV_WATCHER_TIME(type) \
126	EV_WATCHER (type) \	293	EV_WATCHER (type) \
127	ev_tstamp at; /* private */	294	ev_tstamp at; /* private */
128		295
129	/* base class, nothing to see here unless you subclass */	296	/* base class, nothing to see here unless you subclass */
130	struct ev_watcher	297	typedef struct ev_watcher
131	{	298	{
132	EV_WATCHER (ev_watcher)	299	EV_WATCHER (ev_watcher)
133	};	300	} ev_watcher;
134		301
135	/* base class, nothing to see here unless you subclass */	302	/* base class, nothing to see here unless you subclass */
136	struct ev_watcher_list	303	typedef struct ev_watcher_list
137	{	304	{
138	EV_WATCHER_LIST (ev_watcher_list)	305	EV_WATCHER_LIST (ev_watcher_list)
139	};	306	} ev_watcher_list;
140		307
141	/* base class, nothing to see here unless you subclass */	308	/* base class, nothing to see here unless you subclass */
142	struct ev_watcher_time	309	typedef struct ev_watcher_time
143	{	310	{
144	EV_WATCHER_TIME (ev_watcher_time)	311	EV_WATCHER_TIME (ev_watcher_time)
145	};	312	} ev_watcher_time;
		313
		314	/* invoked when fd is either EV_READable or EV_WRITEable */
		315	/* revent EV_READ, EV_WRITE */
		316	typedef struct ev_io
		317	{
		318	EV_WATCHER_LIST (ev_io)
		319
		320	int fd; /* ro */
		321	int events; /* ro */
		322	} ev_io;
146		323
147	/* invoked after a specific time, repeatable (based on monotonic clock) */	324	/* invoked after a specific time, repeatable (based on monotonic clock) */
148	/* revent EV_TIMEOUT */	325	/* revent EV_TIMEOUT */
149	struct ev_timer	326	typedef struct ev_timer
150	{	327	{
151	EV_WATCHER_TIME (ev_timer)	328	EV_WATCHER_TIME (ev_timer)
152		329
153	ev_tstamp repeat; /* rw */	330	ev_tstamp repeat; /* rw */
154	};	331	} ev_timer;
155		332
156	/* invoked at some specific time, possibly repeating at regular intervals (based on UTC) */	333	/* invoked at some specific time, possibly repeating at regular intervals (based on UTC) */
157	/* revent EV_PERIODIC */	334	/* revent EV_PERIODIC */
158	struct ev_periodic	335	typedef struct ev_periodic
159	{	336	{
160	EV_WATCHER_TIME (ev_periodic)	337	EV_WATCHER_TIME (ev_periodic)
161		338
		339	ev_tstamp offset; /* rw */
162	ev_tstamp interval; /* rw */	340	ev_tstamp interval; /* rw */
163	ev_tstamp (reschedule_cb)(struct ev_periodic w, ev_tstamp now); /* rw */	341	ev_tstamp (reschedule_cb)(struct ev_periodic w, ev_tstamp now) EV_THROW; /* rw */
164	};	342	} 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		343
176	/* invoked when the given signal has been received */	344	/* invoked when the given signal has been received */
177	/* revent EV_SIGNAL */	345	/* revent EV_SIGNAL */
178	struct ev_signal	346	typedef struct ev_signal
179	{	347	{
180	EV_WATCHER_LIST (ev_signal)	348	EV_WATCHER_LIST (ev_signal)
181		349
182	int signum; /* ro */	350	int signum; /* ro */
183	};	351	} ev_signal;
184		352
		353	/* invoked when sigchld is received and waitpid indicates the given pid */
		354	/* revent EV_CHILD */
		355	/* does not support priorities */
		356	typedef struct ev_child
		357	{
		358	EV_WATCHER_LIST (ev_child)
		359
		360	int flags; /* private */
		361	int pid; /* ro */
		362	int rpid; /* rw, holds the received pid */
		363	int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */
		364	} ev_child;
		365
		366	#if EV_STAT_ENABLE
		367	/* st_nlink = 0 means missing file or other error */
		368	# ifdef _WIN32
		369	typedef struct _stati64 ev_statdata;
		370	# else
		371	typedef struct stat ev_statdata;
		372	# endif
		373
		374	/* invoked each time the stat data changes for a given path */
		375	/* revent EV_STAT */
		376	typedef struct ev_stat
		377	{
		378	EV_WATCHER_LIST (ev_stat)
		379
		380	ev_timer timer; /* private */
		381	ev_tstamp interval; /* ro */
		382	const char path; / ro */
		383	ev_statdata prev; /* ro */
		384	ev_statdata attr; /* ro */
		385
		386	int wd; /* wd for inotify, fd for kqueue */
		387	} ev_stat;
		388	#endif
		389
		390	#if EV_IDLE_ENABLE
185	/* invoked when the nothing else needs to be done, keeps the process from blocking */	391	/* invoked when the nothing else needs to be done, keeps the process from blocking */
186	/* revent EV_IDLE */	392	/* revent EV_IDLE */
187	struct ev_idle	393	typedef struct ev_idle
188	{	394	{
189	EV_WATCHER (ev_idle)	395	EV_WATCHER (ev_idle)
190	};	396	} ev_idle;
		397	#endif
191		398
192	/* invoked for each run of the mainloop, just before the blocking call */	399	/* invoked for each run of the mainloop, just before the blocking call */
193	/* you can still change events in any way you like */	400	/* you can still change events in any way you like */
194	/* revent EV_PREPARE */	401	/* revent EV_PREPARE */
195	struct ev_prepare	402	typedef struct ev_prepare
196	{	403	{
197	EV_WATCHER (ev_prepare)	404	EV_WATCHER (ev_prepare)
198	};	405	} ev_prepare;
199		406
200	/* invoked for each run of the mainloop, just after the blocking call */	407	/* invoked for each run of the mainloop, just after the blocking call */
201	/* revent EV_CHECK */	408	/* revent EV_CHECK */
202	struct ev_check	409	typedef struct ev_check
203	{	410	{
204	EV_WATCHER (ev_check)	411	EV_WATCHER (ev_check)
205	};	412	} ev_check;
206		413
207	/* invoked when sigchld is received and waitpid indicates the given pid */	414	#if EV_FORK_ENABLE
		415	/* the callback gets invoked before check in the child process when a fork was detected */
		416	/* revent EV_FORK */
		417	typedef struct ev_fork
		418	{
		419	EV_WATCHER (ev_fork)
		420	} ev_fork;
		421	#endif
		422
		423	#if EV_CLEANUP_ENABLE
		424	/* is invoked just before the loop gets destroyed */
208	/* revent EV_CHILD */	425	/* revent EV_CLEANUP */
209	/* does not support priorities */	426	typedef struct ev_cleanup
210	struct ev_child
211	{	427	{
212	EV_WATCHER_LIST (ev_child)	428	EV_WATCHER (ev_cleanup)
		429	} ev_cleanup;
		430	#endif
213		431
214	int pid; /* ro */	432	#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 */	433	/* used to embed an event loop inside another */
221	/* the callback gets invoked when the event loop has handled events, and can be 0 */	434	/* the callback gets invoked when the event loop has handled events, and can be 0 */
222	struct ev_embed	435	typedef struct ev_embed
223	{	436	{
224	EV_WATCHER (ev_embed)	437	EV_WATCHER (ev_embed)
225		438
226	struct ev_io io; /* private */
227	struct ev_loop loop; / ro */	439	struct ev_loop other; / ro */
228	};	440	ev_io io; /* private */
		441	ev_prepare prepare; /* private */
		442	ev_check check; /* unused */
		443	ev_timer timer; /* unused */
		444	ev_periodic periodic; /* unused */
		445	ev_idle idle; /* unused */
		446	ev_fork fork; /* private */
		447	#if EV_CLEANUP_ENABLE
		448	ev_cleanup cleanup; /* unused */
		449	#endif
		450	} ev_embed;
		451	#endif
		452
		453	#if EV_ASYNC_ENABLE
		454	/* invoked when somebody calls ev_async_send on the watcher */
		455	/* revent EV_ASYNC */
		456	typedef struct ev_async
		457	{
		458	EV_WATCHER (ev_async)
		459
		460	EV_ATOMIC_T sent; /* private */
		461	} ev_async;
		462
		463	# define ev_async_pending(w) (+(w)->sent)
229	#endif	464	#endif
230		465
231	/* the presence of this union forces similar struct layout */	466	/* the presence of this union forces similar struct layout */
232	union ev_any_watcher	467	union ev_any_watcher
233	{	468	{
…		…
235	struct ev_watcher_list wl;	470	struct ev_watcher_list wl;
236		471
237	struct ev_io io;	472	struct ev_io io;
238	struct ev_timer timer;	473	struct ev_timer timer;
239	struct ev_periodic periodic;	474	struct ev_periodic periodic;
		475	struct ev_signal signal;
		476	struct ev_child child;
		477	#if EV_STAT_ENABLE
		478	struct ev_stat stat;
		479	#endif
		480	#if EV_IDLE_ENABLE
240	struct ev_idle idle;	481	struct ev_idle idle;
		482	#endif
241	struct ev_prepare prepare;	483	struct ev_prepare prepare;
242	struct ev_check check;	484	struct ev_check check;
243	struct ev_signal signal;	485	#if EV_FORK_ENABLE
244	struct ev_child child;	486	struct ev_fork fork;
		487	#endif
		488	#if EV_CLEANUP_ENABLE
		489	struct ev_cleanup cleanup;
		490	#endif
		491	#if EV_EMBED_ENABLE
245	struct ev_embed embed;	492	struct ev_embed embed;
		493	#endif
		494	#if EV_ASYNC_ENABLE
		495	struct ev_async async;
		496	#endif
246	};	497	};
247		498
248	/* bits for ev_default_loop and ev_loop_new */	499	/* flag bits for ev_default_loop and ev_loop_new */
		500	enum {
249	/* the default */	501	/* the default */
250	#define EVFLAG_AUTO 0x00000000UL /* not quite a mask */	502	EVFLAG_AUTO = 0x00000000U, /* not quite a mask */
251	/* flag bits */	503	/* flag bits */
252	#define EVFLAG_NOENV 0x01000000UL /* do NOT consult environment */	504	EVFLAG_NOENV = 0x01000000U, /* do NOT consult environment */
		505	EVFLAG_FORKCHECK = 0x02000000U, /* check for a fork in each iteration */
		506	/* debugging/feature disable */
		507	EVFLAG_NOINOTIFY = 0x00100000U, /* do not attempt to use inotify */
		508	#if EV_COMPAT3
		509	EVFLAG_NOSIGFD = 0, /* compatibility to pre-3.9 */
		510	#endif
		511	EVFLAG_SIGNALFD = 0x00200000U, /* attempt to use signalfd */
		512	EVFLAG_NOSIGMASK = 0x00400000U /* avoid modifying the signal mask */
		513	};
		514
253	/* method bits to be ored together */	515	/* method bits to be ored together */
		516	enum {
254	#define EVBACKEND_SELECT 0x00000001UL /* about anywhere */	517	EVBACKEND_SELECT = 0x00000001U, /* about anywhere */
255	#define EVBACKEND_POLL 0x00000002UL /* !win */	518	EVBACKEND_POLL = 0x00000002U, /* !win */
256	#define EVBACKEND_EPOLL 0x00000004UL /* linux */	519	EVBACKEND_EPOLL = 0x00000004U, /* linux */
257	#define EVBACKEND_KQUEUE 0x00000008UL /* bsd */	520	EVBACKEND_KQUEUE = 0x00000008U, /* bsd */
258	#define EVBACKEND_DEVPOLL 0x00000010UL /* solaris 8 / / NYI */	521	EVBACKEND_DEVPOLL = 0x00000010U, /* solaris 8 / / NYI */
259	#define EVBACKEND_PORT 0x00000020UL /* solaris 10 */	522	EVBACKEND_PORT = 0x00000020U, /* solaris 10 */
		523	EVBACKEND_ALL = 0x0000003FU, /* all known backends */
		524	EVBACKEND_MASK = 0x0000FFFFU /* all future backends */
		525	};
260		526
261	#if EV_PROTOTYPES	527	#if EV_PROTOTYPES
262	int ev_version_major (void);	528	EV_API_DECL int ev_version_major (void) EV_THROW;
263	int ev_version_minor (void);	529	EV_API_DECL int ev_version_minor (void) EV_THROW;
264		530
265	unsigned int ev_supported_backends (void);	531	EV_API_DECL unsigned int ev_supported_backends (void) EV_THROW;
266	unsigned int ev_recommended_backends (void);	532	EV_API_DECL unsigned int ev_recommended_backends (void) EV_THROW;
267	unsigned int ev_embeddable_backends (void);	533	EV_API_DECL unsigned int ev_embeddable_backends (void) EV_THROW;
268		534
269	ev_tstamp ev_time (void);	535	EV_API_DECL ev_tstamp ev_time (void) EV_THROW;
		536	EV_API_DECL void ev_sleep (ev_tstamp delay) EV_THROW; /* sleep for a while */
270		537
271	/* Sets the allocation function to use, works like realloc.	538	/* Sets the allocation function to use, works like realloc.
272	* It is used to allocate and free memory.	539	* It is used to allocate and free memory.
273	* If it returns zero when memory needs to be allocated, the library might abort	540	* If it returns zero when memory needs to be allocated, the library might abort
274	* or take some potentially destructive action.	541	* or take some potentially destructive action.
275	* The default is your system realloc function.	542	* The default is your system realloc function.
276	*/	543	*/
277	void ev_set_allocator (void (cb)(void *ptr, long size));	544	EV_API_DECL void ev_set_allocator (void (cb)(void *ptr, long size) EV_THROW) EV_THROW;
278		545
279	/* set the callback function to call on a	546	/* set the callback function to call on a
280	* retryable syscall error	547	* retryable syscall error
281	* (such as failed select, poll, epoll_wait)	548	* (such as failed select, poll, epoll_wait)
282	*/	549	*/
283	void ev_set_syserr_cb (void (cb)(const char msg));	550	EV_API_DECL void ev_set_syserr_cb (void (cb)(const char msg) EV_THROW) EV_THROW;
284		551
285	# if EV_MULTIPLICITY	552	#if EV_MULTIPLICITY
		553
286	/* the default loop is the only one that handles signals and child watchers */	554	/* the default loop is the only one that handles signals and child watchers */
287	/* you can call this as often as you like */	555	/* you can call this as often as you like */
288	static struct ev_loop *	556	EV_API_DECL struct ev_loop *ev_default_loop (unsigned int flags EV_CPP (= 0)) EV_THROW;
289	ev_default_loop (unsigned int flags)	557
		558	#ifdef EV_API_STATIC
		559	EV_API_DECL struct ev_loop *ev_default_loop_ptr;
		560	#endif
		561
		562	EV_INLINE struct ev_loop *
		563	ev_default_loop_uc_ (void) EV_THROW
290	{	564	{
291	extern struct ev_loop *ev_default_loop_ptr;	565	extern struct ev_loop *ev_default_loop_ptr;
292	extern struct ev_loop *ev_default_loop_init (unsigned int flags);
293
294	if (!ev_default_loop_ptr)
295	ev_default_loop_init (flags);
296		566
297	return ev_default_loop_ptr;	567	return ev_default_loop_ptr;
298	}	568	}
299		569
		570	EV_INLINE int
		571	ev_is_default_loop (EV_P) EV_THROW
		572	{
		573	return EV_A == EV_DEFAULT_UC;
		574	}
		575
300	/* create and destroy alternative loops that don't handle signals */	576	/* create and destroy alternative loops that don't handle signals */
301	struct ev_loop *ev_loop_new (unsigned int flags);	577	EV_API_DECL struct ev_loop *ev_loop_new (unsigned int flags EV_CPP (= 0)) EV_THROW;
302	void ev_loop_destroy (EV_P);
303	void ev_loop_fork (EV_P);
304		578
305	ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */	579	EV_API_DECL ev_tstamp ev_now (EV_P) EV_THROW; /* time w.r.t. timers and the eventloop, updated after each poll */
306		580
307	# else	581	#else
308		582
309	int ev_default_loop (unsigned int flags); /* returns true when successful */	583	EV_API_DECL int ev_default_loop (unsigned int flags EV_CPP (= 0)) EV_THROW; /* returns true when successful */
310		584
311	static ev_tstamp	585	EV_API_DECL ev_tstamp ev_rt_now;
312	ev_now (void)
313	{
314	extern ev_tstamp ev_rt_now;
315		586
		587	EV_INLINE ev_tstamp
		588	ev_now (void) EV_THROW
		589	{
316	return ev_rt_now;	590	return ev_rt_now;
317	}	591	}
318	# endif
319		592
320	void ev_default_destroy (void); /* destroy the default loop */	593	/* looks weird, but ev_is_default_loop (EV_A) still works if this exists */
		594	EV_INLINE int
		595	ev_is_default_loop (void) EV_THROW
		596	{
		597	return 1;
		598	}
		599
		600	#endif /* multiplicity */
		601
		602	/* destroy event loops, also works for the default loop */
		603	EV_API_DECL void ev_loop_destroy (EV_P);
		604
321	/* this needs to be called after fork, to duplicate the default loop */	605	/* this needs to be called after fork, to duplicate the loop */
322	/* if you create alternative loops you have to call ev_loop_fork on them */	606	/* when you want to re-use it in the child */
323	/* you can call it in either the parent or the child */	607	/* you can call it in either the parent or the child */
324	/* you can actually call it at any time, anywhere :) */	608	/* you can actually call it at any time, anywhere :) */
325	void ev_default_fork (void);	609	EV_API_DECL void ev_loop_fork (EV_P) EV_THROW;
326		610
327	unsigned int ev_backend (EV_P);	611	EV_API_DECL unsigned int ev_backend (EV_P) EV_THROW; /* backend in use by loop */
328	#endif
329		612
330	#define EVLOOP_NONBLOCK 1 /* do not block/wait */	613	EV_API_DECL void ev_now_update (EV_P) EV_THROW; /* update event loop time */
331	#define EVLOOP_ONESHOT 2 /* block once only */	614
332	#define EVUNLOOP_ONE 1 /* unloop once */	615	#if EV_WALK_ENABLE
		616	/* walk (almost) all watchers in the loop of a given type, invoking the */
		617	/* callback on every such watcher. The callback might stop the watcher, */
		618	/* but do nothing else with the loop */
		619	EV_API_DECL void ev_walk (EV_P_ int types, void (cb)(EV_P_ int type, void w)) EV_THROW;
		620	#endif
		621
		622	#endif /* prototypes */
		623
		624	/* ev_run flags values */
		625	enum {
		626	EVRUN_NOWAIT = 1, /* do not block/wait */
		627	EVRUN_ONCE = 2 /* block once only */
		628	};
		629
		630	/* ev_break how values */
		631	enum {
		632	EVBREAK_CANCEL = 0, /* undo unloop */
		633	EVBREAK_ONE = 1, /* unloop once */
333	#define EVUNLOOP_ALL 2 /* unloop all loops */	634	EVBREAK_ALL = 2 /* unloop all loops */
		635	};
334		636
335	#if EV_PROTOTYPES	637	#if EV_PROTOTYPES
336	void ev_loop (EV_P_ int flags);	638	EV_API_DECL int ev_run (EV_P_ int flags EV_CPP (= 0));
337	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 */	639	EV_API_DECL void ev_break (EV_P_ int how EV_CPP (= EVBREAK_ONE)) EV_THROW; /* break out of the loop */
338		640
339	/*	641	/*
340	* ref/unref can be used to add or remove a refcount on the mainloop. every watcher	642	* ref/unref can be used to add or remove a refcount on the mainloop. every watcher
341	* keeps one reference. if you have a long-runing watcher you never unregister that	643	* keeps one reference. if you have a long-running watcher you never unregister that
342	* should not keep ev_loop from running, unref() after starting, and ref() before stopping.	644	* should not keep ev_loop from running, unref() after starting, and ref() before stopping.
343	*/	645	*/
344	void ev_ref (EV_P);	646	EV_API_DECL void ev_ref (EV_P) EV_THROW;
345	void ev_unref (EV_P);	647	EV_API_DECL void ev_unref (EV_P) EV_THROW;
346		648
		649	/*
347	/* convinience function, wait for a single event, without registering an event watcher */	650	* convenience function, wait for a single event, without registering an event watcher
348	/* if timeout is < 0, do wait indefinitely */	651	* if timeout is < 0, do wait indefinitely
		652	*/
349	void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (cb)(int revents, void arg), void *arg);	653	EV_API_DECL void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (cb)(int revents, void arg), void *arg) EV_THROW;
		654
		655	# if EV_FEATURE_API
		656	EV_API_DECL unsigned int ev_iteration (EV_P) EV_THROW; /* number of loop iterations */
		657	EV_API_DECL unsigned int ev_depth (EV_P) EV_THROW; /* #ev_loop enters - #ev_loop leaves */
		658	EV_API_DECL void ev_verify (EV_P) EV_THROW; /* abort if loop data corrupted */
		659
		660	EV_API_DECL void ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW; /* sleep at least this time, default 0 */
		661	EV_API_DECL void ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW; /* sleep at least this time, default 0 */
		662
		663	/* advanced stuff for threading etc. support, see docs */
		664	EV_API_DECL void ev_set_userdata (EV_P_ void *data) EV_THROW;
		665	EV_API_DECL void *ev_userdata (EV_P) EV_THROW;
		666	typedef void (*ev_loop_callback)(EV_P);
		667	EV_API_DECL void ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_THROW;
		668	EV_API_DECL void ev_set_loop_release_cb (EV_P_ ev_loop_callback EV_THROW release, ev_loop_callback EV_THROW acquire) EV_THROW;
		669
		670	EV_API_DECL unsigned int ev_pending_count (EV_P) EV_THROW; /* number of pending events, if any */
		671	EV_API_DECL void ev_invoke_pending (EV_P); /* invoke all pending watchers */
		672
		673	/*
		674	* stop/start the timer handling.
		675	*/
		676	EV_API_DECL void ev_suspend (EV_P) EV_THROW;
		677	EV_API_DECL void ev_resume (EV_P) EV_THROW;
		678	#endif
		679
350	#endif	680	#endif
351		681
352	/* these may evaluate ev multiple times, and the other arguments at most once */	682	/* these may evaluate ev multiple times, and the other arguments at most once */
353	/* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */	683	/* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */
354	#define ev_init(ev,cb_) do { \	684	#define ev_init(ev,cb_) do { \
355	((struct ev_watcher )(void )(ev))->active = \	685	((ev_watcher )(void )(ev))->active = \
356	((struct ev_watcher )(void )(ev))->pending = \	686	((ev_watcher )(void )(ev))->pending = 0; \
357	((struct ev_watcher )(void )(ev))->priority = 0; \	687	ev_set_priority ((ev), 0); \
358	ev_set_cb ((ev), cb_); \	688	ev_set_cb ((ev), cb_); \
359	} while (0)	689	} while (0)
360		690
361	#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_); } while (0)	691	#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_) \| EV__IOFDSET; } while (0)
362	#define ev_timer_set(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); } while (0)	692	#define ev_timer_set(ev,after_,repeat_) do { ((ev_watcher_time *)(ev))->at = (after_); (ev)->repeat = (repeat_); } while (0)
363	#define ev_periodic_set(ev,at_,ival_,res_) do { (ev)->at = (at_); (ev)->interval = (ival_); (ev)->reschedule_cb= (res_); } while (0)	693	#define ev_periodic_set(ev,ofs_,ival_,rcb_) do { (ev)->offset = (ofs_); (ev)->interval = (ival_); (ev)->reschedule_cb = (rcb_); } while (0)
364	#define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0)	694	#define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0)
		695	#define ev_child_set(ev,pid_,trace_) do { (ev)->pid = (pid_); (ev)->flags = !!(trace_); } while (0)
		696	#define ev_stat_set(ev,path_,interval_) do { (ev)->path = (path_); (ev)->interval = (interval_); (ev)->wd = -2; } while (0)
365	#define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */	697	#define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */
366	#define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */	698	#define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */
367	#define ev_check_set(ev) /* nop, yes, this is a serious in-joke */	699	#define ev_check_set(ev) /* nop, yes, this is a serious in-joke */
368	#define ev_child_set(ev,pid_) do { (ev)->pid = (pid_); } while (0)
369	#define ev_embed_set(ev,loop_) do { (ev)->loop = (loop_); } while (0)	700	#define ev_embed_set(ev,other_) do { (ev)->other = (other_); } while (0)
		701	#define ev_fork_set(ev) /* nop, yes, this is a serious in-joke */
		702	#define ev_cleanup_set(ev) /* nop, yes, this is a serious in-joke */
		703	#define ev_async_set(ev) /* nop, yes, this is a serious in-joke */
370		704
371	#define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)	705	#define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)
372	#define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0)	706	#define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0)
373	#define ev_periodic_init(ev,cb,at,ival,res) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(at),(ival),(res)); } while (0)	707	#define ev_periodic_init(ev,cb,ofs,ival,rcb) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(ofs),(ival),(rcb)); } while (0)
374	#define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0)	708	#define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0)
		709	#define ev_child_init(ev,cb,pid,trace) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid),(trace)); } while (0)
		710	#define ev_stat_init(ev,cb,path,interval) do { ev_init ((ev), (cb)); ev_stat_set ((ev),(path),(interval)); } while (0)
375	#define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0)	711	#define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0)
376	#define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0)	712	#define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0)
377	#define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0)	713	#define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0)
378	#define ev_child_init(ev,cb,pid) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid)); } while (0)
379	#define ev_embed_init(ev,cb,loop) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(loop)); } while (0)	714	#define ev_embed_init(ev,cb,other) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(other)); } while (0)
		715	#define ev_fork_init(ev,cb) do { ev_init ((ev), (cb)); ev_fork_set ((ev)); } while (0)
		716	#define ev_cleanup_init(ev,cb) do { ev_init ((ev), (cb)); ev_cleanup_set ((ev)); } while (0)
		717	#define ev_async_init(ev,cb) do { ev_init ((ev), (cb)); ev_async_set ((ev)); } while (0)
380		718
381	#define ev_is_pending(ev) (0 + ((struct ev_watcher )(void )(ev))->pending) /* ro, true when watcher is waiting for callback invocation */	719	#define ev_is_pending(ev) (0 + ((ev_watcher )(void )(ev))->pending) /* ro, true when watcher is waiting for callback invocation */
382	#define ev_is_active(ev) (0 + ((struct ev_watcher )(void )(ev))->active) /* ro, true when the watcher has been started */	720	#define ev_is_active(ev) (0 + ((ev_watcher )(void )(ev))->active) /* ro, true when the watcher has been started */
383		721
384	#define ev_priority(ev) ((struct ev_watcher )(void )(ev))->priority /* rw */
385	#define ev_cb(ev) (ev)->cb /* rw */	722	#define ev_cb(ev) (ev)->cb /* rw */
		723
		724	#if EV_MINPRI == EV_MAXPRI
		725	# define ev_priority(ev) ((ev), EV_MINPRI)
386	#define ev_set_priority(ev,pri) ev_priority (ev) = (pri)	726	# define ev_set_priority(ev,pri) ((ev), (pri))
		727	#else
		728	# define ev_priority(ev) (+(((ev_watcher )(void )(ev))->priority))
		729	# define ev_set_priority(ev,pri) ( (ev_watcher )(void )(ev))->priority = (pri)
		730	#endif
		731
		732	#define ev_periodic_at(ev) (+((ev_watcher_time *)(ev))->at)
387		733
388	#ifndef ev_set_cb	734	#ifndef ev_set_cb
389	# define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_)	735	# define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_)
390	#endif	736	#endif
391		737
392	/* stopping (enabling, adding) a watcher does nothing if it is already running */	738	/* stopping (enabling, adding) a watcher does nothing if it is already running */
393	/* stopping (disabling, deleting) a watcher does nothing unless its already running */	739	/* stopping (disabling, deleting) a watcher does nothing unless it's already running */
394	#if EV_PROTOTYPES	740	#if EV_PROTOTYPES
395		741
396	/* feeds an event into a watcher as if the event actually occured */	742	/* feeds an event into a watcher as if the event actually occurred */
397	/* accepts any ev_watcher type */	743	/* accepts any ev_watcher type */
398	void ev_feed_event (EV_P_ void *w, int revents);	744	EV_API_DECL void ev_feed_event (EV_P_ void *w, int revents) EV_THROW;
399	void ev_feed_fd_event (EV_P_ int fd, int revents);	745	EV_API_DECL void ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW;
		746	#if EV_SIGNAL_ENABLE
		747	EV_API_DECL void ev_feed_signal (int signum) EV_THROW;
400	void ev_feed_signal_event (EV_P_ int signum);	748	EV_API_DECL void ev_feed_signal_event (EV_P_ int signum) EV_THROW;
		749	#endif
		750	EV_API_DECL void ev_invoke (EV_P_ void *w, int revents);
		751	EV_API_DECL int ev_clear_pending (EV_P_ void *w) EV_THROW;
401		752
402	void ev_io_start (EV_P_ struct ev_io *w);	753	EV_API_DECL void ev_io_start (EV_P_ ev_io *w) EV_THROW;
403	void ev_io_stop (EV_P_ struct ev_io *w);	754	EV_API_DECL void ev_io_stop (EV_P_ ev_io *w) EV_THROW;
404		755
405	void ev_timer_start (EV_P_ struct ev_timer *w);	756	EV_API_DECL void ev_timer_start (EV_P_ ev_timer *w) EV_THROW;
406	void ev_timer_stop (EV_P_ struct ev_timer *w);	757	EV_API_DECL void ev_timer_stop (EV_P_ ev_timer *w) EV_THROW;
407	/* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */	758	/* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */
408	void ev_timer_again (EV_P_ struct ev_timer *w);	759	EV_API_DECL void ev_timer_again (EV_P_ ev_timer *w) EV_THROW;
		760	/* return remaining time */
		761	EV_API_DECL ev_tstamp ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW;
409		762
410	#if EV_PERIODICS	763	#if EV_PERIODIC_ENABLE
411	void ev_periodic_start (EV_P_ struct ev_periodic *w);	764	EV_API_DECL void ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW;
412	void ev_periodic_stop (EV_P_ struct ev_periodic *w);	765	EV_API_DECL void ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW;
413	void ev_periodic_again (EV_P_ struct ev_periodic *w);	766	EV_API_DECL void ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW;
414	#endif	767	#endif
415
416	void ev_idle_start (EV_P_ struct ev_idle *w);
417	void ev_idle_stop (EV_P_ struct ev_idle *w);
418
419	void ev_prepare_start (EV_P_ struct ev_prepare *w);
420	void ev_prepare_stop (EV_P_ struct ev_prepare *w);
421
422	void ev_check_start (EV_P_ struct ev_check *w);
423	void ev_check_stop (EV_P_ struct ev_check *w);
424		768
425	/* only supported in the default loop */	769	/* only supported in the default loop */
		770	#if EV_SIGNAL_ENABLE
426	void ev_signal_start (EV_P_ struct ev_signal *w);	771	EV_API_DECL void ev_signal_start (EV_P_ ev_signal *w) EV_THROW;
427	void ev_signal_stop (EV_P_ struct ev_signal *w);	772	EV_API_DECL void ev_signal_stop (EV_P_ ev_signal *w) EV_THROW;
		773	#endif
428		774
429	/* only supported in the default loop */	775	/* only supported in the default loop */
		776	# if EV_CHILD_ENABLE
430	void ev_child_start (EV_P_ struct ev_child *w);	777	EV_API_DECL void ev_child_start (EV_P_ ev_child *w) EV_THROW;
431	void ev_child_stop (EV_P_ struct ev_child *w);	778	EV_API_DECL void ev_child_stop (EV_P_ ev_child *w) EV_THROW;
		779	# endif
432		780
433	# if EV_MULTIPLICITY	781	# if EV_STAT_ENABLE
		782	EV_API_DECL void ev_stat_start (EV_P_ ev_stat *w) EV_THROW;
		783	EV_API_DECL void ev_stat_stop (EV_P_ ev_stat *w) EV_THROW;
		784	EV_API_DECL void ev_stat_stat (EV_P_ ev_stat *w) EV_THROW;
		785	# endif
		786
		787	# if EV_IDLE_ENABLE
		788	EV_API_DECL void ev_idle_start (EV_P_ ev_idle *w) EV_THROW;
		789	EV_API_DECL void ev_idle_stop (EV_P_ ev_idle *w) EV_THROW;
		790	# endif
		791
		792	#if EV_PREPARE_ENABLE
		793	EV_API_DECL void ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW;
		794	EV_API_DECL void ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW;
		795	#endif
		796
		797	#if EV_CHECK_ENABLE
		798	EV_API_DECL void ev_check_start (EV_P_ ev_check *w) EV_THROW;
		799	EV_API_DECL void ev_check_stop (EV_P_ ev_check *w) EV_THROW;
		800	#endif
		801
		802	# if EV_FORK_ENABLE
		803	EV_API_DECL void ev_fork_start (EV_P_ ev_fork *w) EV_THROW;
		804	EV_API_DECL void ev_fork_stop (EV_P_ ev_fork *w) EV_THROW;
		805	# endif
		806
		807	# if EV_CLEANUP_ENABLE
		808	EV_API_DECL void ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW;
		809	EV_API_DECL void ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW;
		810	# endif
		811
		812	# if EV_EMBED_ENABLE
434	/* only supported when loop to be embedded is in fact embeddable */	813	/* only supported when loop to be embedded is in fact embeddable */
435	void ev_embed_start (EV_P_ struct ev_embed *w);	814	EV_API_DECL void ev_embed_start (EV_P_ ev_embed *w) EV_THROW;
436	void ev_embed_stop (EV_P_ struct ev_embed *w);	815	EV_API_DECL void ev_embed_stop (EV_P_ ev_embed *w) EV_THROW;
437	# endif	816	EV_API_DECL void ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW;
438
439	#endif	817	# endif
440		818
441	#ifdef __cplusplus	819	# if EV_ASYNC_ENABLE
442	}	820	EV_API_DECL void ev_async_start (EV_P_ ev_async *w) EV_THROW;
		821	EV_API_DECL void ev_async_stop (EV_P_ ev_async *w) EV_THROW;
		822	EV_API_DECL void ev_async_send (EV_P_ ev_async *w) EV_THROW;
443	#endif	823	# endif
444		824
		825	#if EV_COMPAT3
		826	#define EVLOOP_NONBLOCK EVRUN_NOWAIT
		827	#define EVLOOP_ONESHOT EVRUN_ONCE
		828	#define EVUNLOOP_CANCEL EVBREAK_CANCEL
		829	#define EVUNLOOP_ONE EVBREAK_ONE
		830	#define EVUNLOOP_ALL EVBREAK_ALL
		831	#if EV_PROTOTYPES
		832	EV_INLINE void ev_loop (EV_P_ int flags) { ev_run (EV_A_ flags); }
		833	EV_INLINE void ev_unloop (EV_P_ int how ) { ev_break (EV_A_ how ); }
		834	EV_INLINE void ev_default_destroy (void) { ev_loop_destroy (EV_DEFAULT); }
		835	EV_INLINE void ev_default_fork (void) { ev_loop_fork (EV_DEFAULT); }
		836	#if EV_FEATURE_API
		837	EV_INLINE unsigned int ev_loop_count (EV_P) { return ev_iteration (EV_A); }
		838	EV_INLINE unsigned int ev_loop_depth (EV_P) { return ev_depth (EV_A); }
		839	EV_INLINE void ev_loop_verify (EV_P) { ev_verify (EV_A); }
		840	#endif
445	#endif	841	#endif
		842	#else
		843	typedef struct ev_loop ev_loop;
		844	#endif
446		845
		846	#endif
		847
		848	EV_CPP(})
		849
		850	#endif
		851

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Comparing libev/ev.h (file contents): Revision 1.64 by root, Fri Nov 23 19:13:33 2007 UTC vs. Revision 1.176 by root, Tue Sep 9 13:28:21 2014 UTC

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Comparing libev/ev.h (file contents):
Revision 1.64 by root, Fri Nov 23 19:13:33 2007 UTC vs.
Revision 1.176 by root, Tue Sep 9 13:28:21 2014 UTC