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

Comparing libev/ev.h (file contents):
Revision 1.42 by root, Fri Nov 9 15:15:21 2007 UTC vs.
Revision 1.171 by root, Fri Mar 1 11:13:22 2013 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
34	extern "C" {	51	EV_CPP(extern "C" {)
		52
		53	/*****************************************************************************/
		54
		55	/* pre-4.0 compatibility */
		56	#ifndef EV_COMPAT3
		57	# define EV_COMPAT3 1
		58	#endif
		59
		60	#ifndef EV_FEATURES
		61	# if defined __OPTIMIZE_SIZE__
		62	# define EV_FEATURES 0x7c
		63	# else
		64	# define EV_FEATURES 0x7f
35	#endif	65	# endif
		66	#endif
		67
		68	#define EV_FEATURE_CODE ((EV_FEATURES) & 1)
		69	#define EV_FEATURE_DATA ((EV_FEATURES) & 2)
		70	#define EV_FEATURE_CONFIG ((EV_FEATURES) & 4)
		71	#define EV_FEATURE_API ((EV_FEATURES) & 8)
		72	#define EV_FEATURE_WATCHERS ((EV_FEATURES) & 16)
		73	#define EV_FEATURE_BACKENDS ((EV_FEATURES) & 32)
		74	#define EV_FEATURE_OS ((EV_FEATURES) & 64)
		75
		76	/* these priorities are inclusive, higher priorities will be invoked earlier */
		77	#ifndef EV_MINPRI
		78	# define EV_MINPRI (EV_FEATURE_CONFIG ? -2 : 0)
		79	#endif
		80	#ifndef EV_MAXPRI
		81	# define EV_MAXPRI (EV_FEATURE_CONFIG ? +2 : 0)
		82	#endif
		83
		84	#ifndef EV_MULTIPLICITY
		85	# define EV_MULTIPLICITY EV_FEATURE_CONFIG
		86	#endif
		87
		88	#ifndef EV_PERIODIC_ENABLE
		89	# define EV_PERIODIC_ENABLE EV_FEATURE_WATCHERS
		90	#endif
		91
		92	#ifndef EV_STAT_ENABLE
		93	# define EV_STAT_ENABLE EV_FEATURE_WATCHERS
		94	#endif
		95
		96	#ifndef EV_PREPARE_ENABLE
		97	# define EV_PREPARE_ENABLE EV_FEATURE_WATCHERS
		98	#endif
		99
		100	#ifndef EV_CHECK_ENABLE
		101	# define EV_CHECK_ENABLE EV_FEATURE_WATCHERS
		102	#endif
		103
		104	#ifndef EV_IDLE_ENABLE
		105	# define EV_IDLE_ENABLE EV_FEATURE_WATCHERS
		106	#endif
		107
		108	#ifndef EV_FORK_ENABLE
		109	# define EV_FORK_ENABLE EV_FEATURE_WATCHERS
		110	#endif
		111
		112	#ifndef EV_CLEANUP_ENABLE
		113	# define EV_CLEANUP_ENABLE EV_FEATURE_WATCHERS
		114	#endif
		115
		116	#ifndef EV_SIGNAL_ENABLE
		117	# define EV_SIGNAL_ENABLE EV_FEATURE_WATCHERS
		118	#endif
		119
		120	#ifndef EV_CHILD_ENABLE
		121	# ifdef _WIN32
		122	# define EV_CHILD_ENABLE 0
		123	# else
		124	# define EV_CHILD_ENABLE EV_FEATURE_WATCHERS
		125	#endif
		126	#endif
		127
		128	#ifndef EV_ASYNC_ENABLE
		129	# define EV_ASYNC_ENABLE EV_FEATURE_WATCHERS
		130	#endif
		131
		132	#ifndef EV_EMBED_ENABLE
		133	# define EV_EMBED_ENABLE EV_FEATURE_WATCHERS
		134	#endif
		135
		136	#ifndef EV_WALK_ENABLE
		137	# define EV_WALK_ENABLE 0 /* not yet */
		138	#endif
		139
		140	/*****************************************************************************/
		141
		142	#if EV_CHILD_ENABLE && !EV_SIGNAL_ENABLE
		143	# undef EV_SIGNAL_ENABLE
		144	# define EV_SIGNAL_ENABLE 1
		145	#endif
		146
		147	/*****************************************************************************/
36		148
37	typedef double ev_tstamp;	149	typedef double ev_tstamp;
38		150
39	/* these priorities are inclusive, higher priorities will be called earlier */	151	#ifndef EV_ATOMIC_T
40	#ifndef EV_MINPRI	152	# include <signal.h>
41	# define EV_MINPRI -2	153	# define EV_ATOMIC_T sig_atomic_t volatile
		154	#endif
		155
		156	#if EV_STAT_ENABLE
		157	# ifdef _WIN32
		158	# include <time.h>
		159	# include <sys/types.h>
42	#endif	160	# endif
43	#ifndef EV_MAXPRI	161	# include <sys/stat.h>
44	# define EV_MAXPRI +2
45	#endif
46
47	#ifndef EV_MULTIPLICITY
48	# define EV_MULTIPLICITY 1
49	#endif	162	#endif
50		163
51	/* support multiple event loops? */	164	/* support multiple event loops? */
52	#if EV_MULTIPLICITY	165	#if EV_MULTIPLICITY
53	struct ev_loop;	166	struct ev_loop;
54	# define EV_P struct ev_loop *loop	167	# define EV_P struct ev_loop loop / a loop as sole parameter in a declaration */
55	# define EV_P_ EV_P,	168	# define EV_P_ EV_P, /* a loop as first of multiple parameters */
56	# define EV_A loop	169	# define EV_A loop /* a loop as sole argument to a function call */
57	# define EV_A_ EV_A,	170	# define EV_A_ EV_A, /* a loop as first of multiple arguments */
		171	# define EV_DEFAULT_UC ev_default_loop_uc_ () /* the default loop, if initialised, as sole arg */
		172	# define EV_DEFAULT_UC_ EV_DEFAULT_UC, /* the default loop as first of multiple arguments */
		173	# define EV_DEFAULT ev_default_loop (0) /* the default loop as sole arg */
		174	# define EV_DEFAULT_ EV_DEFAULT, /* the default loop as first of multiple arguments */
58	#else	175	#else
59	# define EV_P void	176	# define EV_P void
60	# define EV_P_	177	# define EV_P_
61	# define EV_A	178	# define EV_A
62	# define EV_A_	179	# define EV_A_
		180	# define EV_DEFAULT
		181	# define EV_DEFAULT_
		182	# define EV_DEFAULT_UC
		183	# define EV_DEFAULT_UC_
		184	# undef EV_EMBED_ENABLE
63	#endif	185	#endif
64		186
65	/* eventmask, revents, events... */	187	/* EV_INLINE is used for functions in header files */
66	#define EV_UNDEF -1 /* guaranteed to be invalid */	188	#if __STDC_VERSION__ >= 199901L \|\| __GNUC__ >= 3
67	#define EV_NONE 0x00	189	# define EV_INLINE static inline
68	#define EV_READ 0x01	190	#else
69	#define EV_WRITE 0x02	191	# define EV_INLINE static
70	#define EV_TIMEOUT 0x000100
71	#define EV_PERIODIC 0x000200
72	#define EV_SIGNAL 0x000400
73	#define EV_IDLE 0x000800
74	#define EV_CHECK 0x001000
75	#define EV_PREPARE 0x002000
76	#define EV_CHILD 0x004000
77	#define EV_ERROR 0x800000 /* sent when an error occurs */
78
79	/* can be used to add custom fields to all watchers */
80	#ifndef EV_COMMON
81	# define EV_COMMON void *data
82	#endif	192	#endif
		193
		194	#ifdef EV_API_STATIC
		195	# define EV_API_DECL static
		196	#else
		197	# define EV_API_DECL extern
		198	#endif
		199
		200	/* EV_PROTOTYPES can be used to switch of prototype declarations */
83	#ifndef EV_PROTOTYPES	201	#ifndef EV_PROTOTYPES
84	# define EV_PROTOTYPES 1	202	# define EV_PROTOTYPES 1
85	#endif	203	#endif
86		204
		205	/*****************************************************************************/
		206
87	#define EV_VERSION_MAJOR 1	207	#define EV_VERSION_MAJOR 4
88	#define EV_VERSION_MINOR 1	208	#define EV_VERSION_MINOR 15
		209
		210	/* eventmask, revents, events... */
		211	enum {
		212	EV_UNDEF = (int)0xFFFFFFFF, /* guaranteed to be invalid */
		213	EV_NONE = 0x00, /* no events */
		214	EV_READ = 0x01, /* ev_io detected read will not block */
		215	EV_WRITE = 0x02, /* ev_io detected write will not block */
		216	EV__IOFDSET = 0x80, /* internal use only */
		217	EV_IO = EV_READ, /* alias for type-detection */
		218	EV_TIMER = 0x00000100, /* timer timed out */
		219	#if EV_COMPAT3
		220	EV_TIMEOUT = EV_TIMER, /* pre 4.0 API compatibility */
		221	#endif
		222	EV_PERIODIC = 0x00000200, /* periodic timer timed out */
		223	EV_SIGNAL = 0x00000400, /* signal was received */
		224	EV_CHILD = 0x00000800, /* child/pid had status change */
		225	EV_STAT = 0x00001000, /* stat data changed */
		226	EV_IDLE = 0x00002000, /* event loop is idling */
		227	EV_PREPARE = 0x00004000, /* event loop about to poll */
		228	EV_CHECK = 0x00008000, /* event loop finished poll */
		229	EV_EMBED = 0x00010000, /* embedded event loop needs sweep */
		230	EV_FORK = 0x00020000, /* event loop resumed in child */
		231	EV_CLEANUP = 0x00040000, /* event loop resumed in child */
		232	EV_ASYNC = 0x00080000, /* async intra-loop signal */
		233	EV_CUSTOM = 0x01000000, /* for use by user code */
		234	EV_ERROR = (int)0x80000000 /* sent when an error occurs */
		235	};
		236
		237	/* can be used to add custom fields to all watchers, while losing binary compatibility */
		238	#ifndef EV_COMMON
		239	# define EV_COMMON void *data;
		240	#endif
		241
		242	#ifndef EV_CB_DECLARE
		243	# define EV_CB_DECLARE(type) void (cb)(EV_P_ struct type w, int revents);
		244	#endif
		245	#ifndef EV_CB_INVOKE
		246	# define EV_CB_INVOKE(watcher,revents) (watcher)->cb (EV_A_ (watcher), (revents))
		247	#endif
		248
		249	/* not official, do not use */
		250	#define EV_CB(type,name) void name (EV_P_ struct ev_ ## type *w, int revents)
89		251
90	/*	252	/*
91	* struct member types:	253	* struct member types:
92	* private: you can look at them, but not change them, and they might not mean anything to you.	254	* private: you may look at them, but not change them,
		255	* and they might not mean anything to you.
93	* ro: can be read anytime, but only changed when the watcher isn't active	256	* ro: can be read anytime, but only changed when the watcher isn't active.
94	* rw: can be read and modified anytime, even when the watcher is active	257	* rw: can be read and modified anytime, even when the watcher is active.
		258	*
		259	* some internal details that might be helpful for debugging:
		260	*
		261	* active is either 0, which means the watcher is not active,
		262	* or the array index of the watcher (periodics, timers)
		263	* or the array index + 1 (most other watchers)
		264	* or simply 1 for watchers that aren't in some array.
		265	* pending is either 0, in which case the watcher isn't,
		266	* or the array index + 1 in the pendings array.
95	*/	267	*/
		268
		269	#if EV_MINPRI == EV_MAXPRI
		270	# define EV_DECL_PRIORITY
		271	#elif !defined (EV_DECL_PRIORITY)
		272	# define EV_DECL_PRIORITY int priority;
		273	#endif
96		274
97	/* shared by all watchers */	275	/* shared by all watchers */
98	#define EV_WATCHER(type) \	276	#define EV_WATCHER(type) \
99	int active; /* private */ \	277	int active; /* private */ \
100	int pending; /* private */ \	278	int pending; /* private */ \
101	int priority; /* private */ \	279	EV_DECL_PRIORITY /* private */ \
102	EV_COMMON; /* rw */ \	280	EV_COMMON /* rw */ \
103	void (cb)(EV_P_ struct type , int revents) /* private / / gets invoked with an eventmask */	281	EV_CB_DECLARE (type) /* private */
104		282
105	#define EV_WATCHER_LIST(type) \	283	#define EV_WATCHER_LIST(type) \
106	EV_WATCHER (type); \	284	EV_WATCHER (type) \
107	struct ev_watcher_list next / private */	285	struct ev_watcher_list next; / private */
108		286
109	#define EV_WATCHER_TIME(type) \	287	#define EV_WATCHER_TIME(type) \
110	EV_WATCHER (type); \	288	EV_WATCHER (type) \
111	ev_tstamp at /* private */	289	ev_tstamp at; /* private */
112		290
113	/* base class, nothing to see here unless you subclass */	291	/* base class, nothing to see here unless you subclass */
114	struct ev_watcher {	292	typedef struct ev_watcher
		293	{
115	EV_WATCHER (ev_watcher);	294	EV_WATCHER (ev_watcher)
116	};	295	} ev_watcher;
117		296
118	/* base class, nothing to see here unless you subclass */	297	/* base class, nothing to see here unless you subclass */
119	struct ev_watcher_list {	298	typedef struct ev_watcher_list
		299	{
120	EV_WATCHER_LIST (ev_watcher_list);	300	EV_WATCHER_LIST (ev_watcher_list)
121	};	301	} ev_watcher_list;
122		302
123	/* base class, nothing to see here unless you subclass */	303	/* base class, nothing to see here unless you subclass */
124	struct ev_watcher_time {	304	typedef struct ev_watcher_time
		305	{
125	EV_WATCHER_TIME (ev_watcher_time);	306	EV_WATCHER_TIME (ev_watcher_time)
126	};	307	} ev_watcher_time;
		308
		309	/* invoked when fd is either EV_READable or EV_WRITEable */
		310	/* revent EV_READ, EV_WRITE */
		311	typedef struct ev_io
		312	{
		313	EV_WATCHER_LIST (ev_io)
		314
		315	int fd; /* ro */
		316	int events; /* ro */
		317	} ev_io;
127		318
128	/* invoked after a specific time, repeatable (based on monotonic clock) */	319	/* invoked after a specific time, repeatable (based on monotonic clock) */
129	/* revent EV_TIMEOUT */	320	/* revent EV_TIMEOUT */
130	struct ev_timer	321	typedef struct ev_timer
131	{	322	{
132	EV_WATCHER_TIME (ev_timer);	323	EV_WATCHER_TIME (ev_timer)
133		324
134	ev_tstamp repeat; /* rw */	325	ev_tstamp repeat; /* rw */
135	};	326	} ev_timer;
136		327
137	/* invoked at some specific time, possibly repeating at regular intervals (based on UTC) */	328	/* invoked at some specific time, possibly repeating at regular intervals (based on UTC) */
138	/* revent EV_PERIODIC */	329	/* revent EV_PERIODIC */
139	struct ev_periodic	330	typedef struct ev_periodic
140	{	331	{
141	EV_WATCHER_TIME (ev_periodic);	332	EV_WATCHER_TIME (ev_periodic)
142		333
		334	ev_tstamp offset; /* rw */
143	ev_tstamp interval; /* rw */	335	ev_tstamp interval; /* rw */
144	ev_tstamp (reschedule_cb)(struct ev_periodic w, ev_tstamp now); /* rw */	336	ev_tstamp (reschedule_cb)(struct ev_periodic w, ev_tstamp now) EV_THROW; /* rw */
145	};	337	} ev_periodic;
146
147	/* invoked when fd is either EV_READable or EV_WRITEable */
148	/* revent EV_READ, EV_WRITE */
149	struct ev_io
150	{
151	EV_WATCHER_LIST (ev_io);
152
153	int fd; /* ro */
154	int events; /* ro */
155	};
156		338
157	/* invoked when the given signal has been received */	339	/* invoked when the given signal has been received */
158	/* revent EV_SIGNAL */	340	/* revent EV_SIGNAL */
159	struct ev_signal	341	typedef struct ev_signal
160	{	342	{
161	EV_WATCHER_LIST (ev_signal);	343	EV_WATCHER_LIST (ev_signal)
162		344
163	int signum; /* ro */	345	int signum; /* ro */
164	};	346	} ev_signal;
165		347
		348	/* invoked when sigchld is received and waitpid indicates the given pid */
		349	/* revent EV_CHILD */
		350	/* does not support priorities */
		351	typedef struct ev_child
		352	{
		353	EV_WATCHER_LIST (ev_child)
		354
		355	int flags; /* private */
		356	int pid; /* ro */
		357	int rpid; /* rw, holds the received pid */
		358	int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */
		359	} ev_child;
		360
		361	#if EV_STAT_ENABLE
		362	/* st_nlink = 0 means missing file or other error */
		363	# ifdef _WIN32
		364	typedef struct _stati64 ev_statdata;
		365	# else
		366	typedef struct stat ev_statdata;
		367	# endif
		368
		369	/* invoked each time the stat data changes for a given path */
		370	/* revent EV_STAT */
		371	typedef struct ev_stat
		372	{
		373	EV_WATCHER_LIST (ev_stat)
		374
		375	ev_timer timer; /* private */
		376	ev_tstamp interval; /* ro */
		377	const char path; / ro */
		378	ev_statdata prev; /* ro */
		379	ev_statdata attr; /* ro */
		380
		381	int wd; /* wd for inotify, fd for kqueue */
		382	} ev_stat;
		383	#endif
		384
		385	#if EV_IDLE_ENABLE
166	/* invoked when the nothing else needs to be done, keeps the process from blocking */	386	/* invoked when the nothing else needs to be done, keeps the process from blocking */
167	/* revent EV_IDLE */	387	/* revent EV_IDLE */
168	struct ev_idle	388	typedef struct ev_idle
169	{	389	{
170	EV_WATCHER (ev_idle);	390	EV_WATCHER (ev_idle)
171	};	391	} ev_idle;
		392	#endif
172		393
173	/* invoked for each run of the mainloop, just before the blocking call */	394	/* invoked for each run of the mainloop, just before the blocking call */
174	/* you can still change events in any way you like */	395	/* you can still change events in any way you like */
175	/* revent EV_PREPARE */	396	/* revent EV_PREPARE */
176	struct ev_prepare	397	typedef struct ev_prepare
177	{	398	{
178	EV_WATCHER (ev_prepare);	399	EV_WATCHER (ev_prepare)
179	};	400	} ev_prepare;
180		401
181	/* invoked for each run of the mainloop, just after the blocking call */	402	/* invoked for each run of the mainloop, just after the blocking call */
182	/* revent EV_CHECK */	403	/* revent EV_CHECK */
183	struct ev_check	404	typedef struct ev_check
184	{	405	{
185	EV_WATCHER (ev_check);	406	EV_WATCHER (ev_check)
186	};	407	} ev_check;
187		408
188	/* invoked when sigchld is received and waitpid indicates the givne pid */	409	#if EV_FORK_ENABLE
		410	/* the callback gets invoked before check in the child process when a fork was detected */
		411	/* revent EV_FORK */
		412	typedef struct ev_fork
		413	{
		414	EV_WATCHER (ev_fork)
		415	} ev_fork;
		416	#endif
		417
		418	#if EV_CLEANUP_ENABLE
		419	/* is invoked just before the loop gets destroyed */
189	/* revent EV_CHILD */	420	/* revent EV_CLEANUP */
190	/* does not support priorities */	421	typedef struct ev_cleanup
191	struct ev_child
192	{	422	{
193	EV_WATCHER_LIST (ev_child);	423	EV_WATCHER (ev_cleanup)
		424	} ev_cleanup;
		425	#endif
194		426
195	int pid; /* ro */	427	#if EV_EMBED_ENABLE
196	int rpid; /* rw, holds the received pid */	428	/* used to embed an event loop inside another */
197	int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */	429	/* the callback gets invoked when the event loop has handled events, and can be 0 */
198	};	430	typedef struct ev_embed
		431	{
		432	EV_WATCHER (ev_embed)
		433
		434	struct ev_loop other; / ro */
		435	ev_io io; /* private */
		436	ev_prepare prepare; /* private */
		437	ev_check check; /* unused */
		438	ev_timer timer; /* unused */
		439	ev_periodic periodic; /* unused */
		440	ev_idle idle; /* unused */
		441	ev_fork fork; /* private */
		442	#if EV_CLEANUP_ENABLE
		443	ev_cleanup cleanup; /* unused */
		444	#endif
		445	} ev_embed;
		446	#endif
		447
		448	#if EV_ASYNC_ENABLE
		449	/* invoked when somebody calls ev_async_send on the watcher */
		450	/* revent EV_ASYNC */
		451	typedef struct ev_async
		452	{
		453	EV_WATCHER (ev_async)
		454
		455	EV_ATOMIC_T sent; /* private */
		456	} ev_async;
		457
		458	# define ev_async_pending(w) (+(w)->sent)
		459	#endif
199		460
200	/* the presence of this union forces similar struct layout */	461	/* the presence of this union forces similar struct layout */
201	union ev_any_watcher	462	union ev_any_watcher
202	{	463	{
203	struct ev_watcher w;	464	struct ev_watcher w;
204	struct ev_watcher_list wl;	465	struct ev_watcher_list wl;
		466
205	struct ev_io io;	467	struct ev_io io;
206	struct ev_timer timer;	468	struct ev_timer timer;
207	struct ev_periodic periodic;	469	struct ev_periodic periodic;
208	struct ev_signal signal;	470	struct ev_signal signal;
		471	struct ev_child child;
		472	#if EV_STAT_ENABLE
		473	struct ev_stat stat;
		474	#endif
		475	#if EV_IDLE_ENABLE
209	struct ev_idle idle;	476	struct ev_idle idle;
210	struct ev_child child;	477	#endif
211	struct ev_prepare prepare;	478	struct ev_prepare prepare;
212	struct ev_check check;	479	struct ev_check check;
		480	#if EV_FORK_ENABLE
		481	struct ev_fork fork;
		482	#endif
		483	#if EV_CLEANUP_ENABLE
		484	struct ev_cleanup cleanup;
		485	#endif
		486	#if EV_EMBED_ENABLE
		487	struct ev_embed embed;
		488	#endif
		489	#if EV_ASYNC_ENABLE
		490	struct ev_async async;
		491	#endif
213	};	492	};
214		493
215	#define EVMETHOD_AUTO 0 /* consults environment */	494	/* flag bits for ev_default_loop and ev_loop_new */
216	#define EVMETHOD_SELECT 1	495	enum {
217	#define EVMETHOD_POLL 2	496	/* the default */
218	#define EVMETHOD_EPOLL 4	497	EVFLAG_AUTO = 0x00000000U, /* not quite a mask */
219	#define EVMETHOD_KQUEUE 8	498	/* flag bits */
220	#define EVMETHOD_DEVPOLL 16 /* NYI */	499	EVFLAG_NOENV = 0x01000000U, /* do NOT consult environment */
221	#define EVMETHOD_PORT 32 /* NYI */	500	EVFLAG_FORKCHECK = 0x02000000U, /* check for a fork in each iteration */
222	#define EVMETHOD_WIN32 64 /* NYI */	501	/* debugging/feature disable */
223	#define EVMETHOD_ANY ~0 /* any method, do not consult env */	502	EVFLAG_NOINOTIFY = 0x00100000U, /* do not attempt to use inotify */
		503	#if EV_COMPAT3
		504	EVFLAG_NOSIGFD = 0, /* compatibility to pre-3.9 */
		505	#endif
		506	EVFLAG_SIGNALFD = 0x00200000U, /* attempt to use signalfd */
		507	EVFLAG_NOSIGMASK = 0x00400000U /* avoid modifying the signal mask */
		508	};
		509
		510	/* method bits to be ored together */
		511	enum {
		512	EVBACKEND_SELECT = 0x00000001U, /* about anywhere */
		513	EVBACKEND_POLL = 0x00000002U, /* !win */
		514	EVBACKEND_EPOLL = 0x00000004U, /* linux */
		515	EVBACKEND_KQUEUE = 0x00000008U, /* bsd */
		516	EVBACKEND_DEVPOLL = 0x00000010U, /* solaris 8 / / NYI */
		517	EVBACKEND_PORT = 0x00000020U, /* solaris 10 */
		518	EVBACKEND_ALL = 0x0000003FU, /* all known backends */
		519	EVBACKEND_MASK = 0x0000FFFFU /* all future backends */
		520	};
224		521
225	#if EV_PROTOTYPES	522	#if EV_PROTOTYPES
226	int ev_version_major (void);	523	EV_API_DECL int ev_version_major (void) EV_THROW;
227	int ev_version_minor (void);	524	EV_API_DECL int ev_version_minor (void) EV_THROW;
228		525
229	ev_tstamp ev_time (void);	526	EV_API_DECL unsigned int ev_supported_backends (void) EV_THROW;
		527	EV_API_DECL unsigned int ev_recommended_backends (void) EV_THROW;
		528	EV_API_DECL unsigned int ev_embeddable_backends (void) EV_THROW;
		529
		530	EV_API_DECL ev_tstamp ev_time (void) EV_THROW;
		531	EV_API_DECL void ev_sleep (ev_tstamp delay) EV_THROW; /* sleep for a while */
230		532
231	/* Sets the allocation function to use, works like realloc.	533	/* Sets the allocation function to use, works like realloc.
232	* It is used to allocate and free memory.	534	* It is used to allocate and free memory.
233	* If it returns zero when memory needs to be allocated, the library might abort	535	* If it returns zero when memory needs to be allocated, the library might abort
234	* or take some potentially destructive action.	536	* or take some potentially destructive action.
235	* The default is your system realloc function.	537	* The default is your system realloc function.
236	*/	538	*/
237	void ev_set_allocator (void (cb)(void *ptr, long size));	539	EV_API_DECL void ev_set_allocator (void (cb)(void *ptr, long size) EV_THROW) EV_THROW;
238		540
239	/* set the callback function to call on a	541	/* set the callback function to call on a
240	* retryable syscall error	542	* retryable syscall error
241	* (such as failed select, poll, epoll_wait)	543	* (such as failed select, poll, epoll_wait)
242	*/	544	*/
243	void ev_set_syserr_cb (void (cb)(const char msg));	545	EV_API_DECL void ev_set_syserr_cb (void (cb)(const char msg) EV_THROW) EV_THROW;
244		546
245	# if EV_MULTIPLICITY	547	#if EV_MULTIPLICITY
		548
246	/* the default loop is the only one that handles signals and child watchers */	549	/* the default loop is the only one that handles signals and child watchers */
247	/* you can call this as often as you like */	550	/* you can call this as often as you like */
248	struct ev_loop ev_default_loop (int methods); / returns default loop */	551	EV_API_DECL struct ev_loop *ev_default_loop (unsigned int flags EV_CPP (= 0)) EV_THROW;
		552
		553	#ifdef EV_API_STATIC
		554	EV_API_DECL struct ev_loop *ev_default_loop_ptr;
		555	#endif
		556
		557	EV_INLINE struct ev_loop *
		558	ev_default_loop_uc_ (void) EV_THROW
		559	{
		560	extern struct ev_loop *ev_default_loop_ptr;
		561
		562	return ev_default_loop_ptr;
		563	}
		564
		565	EV_INLINE int
		566	ev_is_default_loop (EV_P) EV_THROW
		567	{
		568	return EV_A == EV_DEFAULT_UC;
		569	}
249		570
250	/* create and destroy alternative loops that don't handle signals */	571	/* create and destroy alternative loops that don't handle signals */
251	struct ev_loop *ev_loop_new (int methods);	572	EV_API_DECL struct ev_loop *ev_loop_new (unsigned int flags EV_CPP (= 0)) EV_THROW;
252	void ev_loop_destroy (EV_P);	573
253	void ev_loop_fork (EV_P);	574	EV_API_DECL ev_tstamp ev_now (EV_P) EV_THROW; /* time w.r.t. timers and the eventloop, updated after each poll */
		575
254	# else	576	#else
255	int ev_default_loop (int methods); /* returns true when successful */
256	# endif
257		577
258	void ev_default_destroy (void); /* destroy the default loop */	578	EV_API_DECL int ev_default_loop (unsigned int flags EV_CPP (= 0)) EV_THROW; /* returns true when successful */
		579
		580	EV_API_DECL ev_tstamp ev_rt_now;
		581
		582	EV_INLINE ev_tstamp
		583	ev_now (void) EV_THROW
		584	{
		585	return ev_rt_now;
		586	}
		587
		588	/* looks weird, but ev_is_default_loop (EV_A) still works if this exists */
		589	EV_INLINE int
		590	ev_is_default_loop (void) EV_THROW
		591	{
		592	return 1;
		593	}
		594
		595	#endif /* multiplicity */
		596
		597	/* destroy event loops, also works for the default loop */
		598	EV_API_DECL void ev_loop_destroy (EV_P);
		599
259	/* this needs to be called after fork, to duplicate the default loop */	600	/* this needs to be called after fork, to duplicate the loop */
260	/* if you create alternative loops you have to call ev_loop_fork on them */	601	/* when you want to re-use it in the child */
261	/* you can call it in either the parent or the child */	602	/* you can call it in either the parent or the child */
262	/* you can actually call it at any time, anywhere :) */	603	/* you can actually call it at any time, anywhere :) */
263	void ev_default_fork (void);	604	EV_API_DECL void ev_loop_fork (EV_P) EV_THROW;
264		605
265	int ev_method (EV_P);	606	EV_API_DECL unsigned int ev_backend (EV_P) EV_THROW; /* backend in use by loop */
266	#endif
267		607
268	#define EVLOOP_NONBLOCK 1 /* do not block/wait */	608	EV_API_DECL void ev_now_update (EV_P) EV_THROW; /* update event loop time */
269	#define EVLOOP_ONESHOT 2 /* block once only */	609
270	#define EVUNLOOP_ONCE 1 /* unloop once */	610	#if EV_WALK_ENABLE
		611	/* walk (almost) all watchers in the loop of a given type, invoking the */
		612	/* callback on every such watcher. The callback might stop the watcher, */
		613	/* but do nothing else with the loop */
		614	EV_API_DECL void ev_walk (EV_P_ int types, void (cb)(EV_P_ int type, void w)) EV_THROW;
		615	#endif
		616
		617	#endif /* prototypes */
		618
		619	/* ev_run flags values */
		620	enum {
		621	EVRUN_NOWAIT = 1, /* do not block/wait */
		622	EVRUN_ONCE = 2 /* block once only */
		623	};
		624
		625	/* ev_break how values */
		626	enum {
		627	EVBREAK_CANCEL = 0, /* undo unloop */
		628	EVBREAK_ONE = 1, /* unloop once */
271	#define EVUNLOOP_ALL 2 /* unloop all loops */	629	EVBREAK_ALL = 2 /* unloop all loops */
		630	};
272		631
273	#if EV_PROTOTYPES	632	#if EV_PROTOTYPES
274	void ev_loop (EV_P_ int flags);	633	EV_API_DECL int ev_run (EV_P_ int flags EV_CPP (= 0));
275	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 */	634	EV_API_DECL void ev_break (EV_P_ int how EV_CPP (= EVBREAK_ONE)) EV_THROW; /* break out of the loop */
276
277	ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */
278		635
279	/*	636	/*
280	* ref/unref can be used to add or remove a refcount on the mainloop. every watcher	637	* ref/unref can be used to add or remove a refcount on the mainloop. every watcher
281	* keeps one reference. if you have a long-runing watcher you never unregister that	638	* keeps one reference. if you have a long-running watcher you never unregister that
282	* should not keep ev_loop from running, unref() after starting, and ref() before stopping.	639	* should not keep ev_loop from running, unref() after starting, and ref() before stopping.
283	*/	640	*/
284	void ev_ref (EV_P);	641	EV_API_DECL void ev_ref (EV_P) EV_THROW;
285	void ev_unref (EV_P);	642	EV_API_DECL void ev_unref (EV_P) EV_THROW;
286		643
		644	/*
287	/* convinience function, wait for a single event, without registering an event watcher */	645	* convenience function, wait for a single event, without registering an event watcher
288	/* if timeout is < 0, do wait indefinitely */	646	* if timeout is < 0, do wait indefinitely
		647	*/
289	void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (cb)(int revents, void arg), void *arg);	648	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;
		649
		650	# if EV_FEATURE_API
		651	EV_API_DECL unsigned int ev_iteration (EV_P) EV_THROW; /* number of loop iterations */
		652	EV_API_DECL unsigned int ev_depth (EV_P) EV_THROW; /* #ev_loop enters - #ev_loop leaves */
		653	EV_API_DECL void ev_verify (EV_P) EV_THROW; /* abort if loop data corrupted */
		654
		655	EV_API_DECL void ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW; /* sleep at least this time, default 0 */
		656	EV_API_DECL void ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW; /* sleep at least this time, default 0 */
		657
		658	/* advanced stuff for threading etc. support, see docs */
		659	EV_API_DECL void ev_set_userdata (EV_P_ void *data) EV_THROW;
		660	EV_API_DECL void *ev_userdata (EV_P) EV_THROW;
		661	EV_API_DECL void ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) EV_THROW;
		662	EV_API_DECL void ev_set_loop_release_cb (EV_P_ void (release)(EV_P), void (acquire)(EV_P) EV_THROW) EV_THROW;
		663
		664	EV_API_DECL unsigned int ev_pending_count (EV_P) EV_THROW; /* number of pending events, if any */
		665	EV_API_DECL void ev_invoke_pending (EV_P); /* invoke all pending watchers */
		666
		667	/*
		668	* stop/start the timer handling.
		669	*/
		670	EV_API_DECL void ev_suspend (EV_P) EV_THROW;
		671	EV_API_DECL void ev_resume (EV_P) EV_THROW;
		672	#endif
		673
290	#endif	674	#endif
291		675
292	/* these may evaluate ev multiple times, and the other arguments at most once */	676	/* these may evaluate ev multiple times, and the other arguments at most once */
293	/* either use ev_watcher_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */	677	/* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */
294	#define ev_watcher_init(ev,cb_) do { \	678	#define ev_init(ev,cb_) do { \
295	((struct ev_watcher )(void )(ev))->active = \	679	((ev_watcher )(void )(ev))->active = \
296	((struct ev_watcher )(void )(ev))->pending = \	680	((ev_watcher )(void )(ev))->pending = 0; \
297	((struct ev_watcher )(void )(ev))->priority = 0; \	681	ev_set_priority ((ev), 0); \
298	(ev)->cb = (cb_); \	682	ev_set_cb ((ev), cb_); \
299	} while (0)	683	} while (0)
300		684
301	#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_); } while (0)	685	#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_) \| EV__IOFDSET; } while (0)
302	#define ev_timer_set(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); } while (0)	686	#define ev_timer_set(ev,after_,repeat_) do { ((ev_watcher_time *)(ev))->at = (after_); (ev)->repeat = (repeat_); } while (0)
303	#define ev_periodic_set(ev,at_,ival_,res_) do { (ev)->at = (at_); (ev)->interval = (ival_); (ev)->reschedule_cb= (res_); } while (0)	687	#define ev_periodic_set(ev,ofs_,ival_,rcb_) do { (ev)->offset = (ofs_); (ev)->interval = (ival_); (ev)->reschedule_cb = (rcb_); } while (0)
304	#define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0)	688	#define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0)
		689	#define ev_child_set(ev,pid_,trace_) do { (ev)->pid = (pid_); (ev)->flags = !!(trace_); } while (0)
		690	#define ev_stat_set(ev,path_,interval_) do { (ev)->path = (path_); (ev)->interval = (interval_); (ev)->wd = -2; } while (0)
305	#define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */	691	#define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */
306	#define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */	692	#define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */
307	#define ev_check_set(ev) /* nop, yes, this is a serious in-joke */	693	#define ev_check_set(ev) /* nop, yes, this is a serious in-joke */
308	#define ev_child_set(ev,pid_) do { (ev)->pid = (pid_); } while (0)	694	#define ev_embed_set(ev,other_) do { (ev)->other = (other_); } while (0)
		695	#define ev_fork_set(ev) /* nop, yes, this is a serious in-joke */
		696	#define ev_cleanup_set(ev) /* nop, yes, this is a serious in-joke */
		697	#define ev_async_set(ev) /* nop, yes, this is a serious in-joke */
309		698
310	#define ev_io_init(ev,cb,fd,events) do { ev_watcher_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)	699	#define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)
311	#define ev_timer_init(ev,cb,after,repeat) do { ev_watcher_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0)	700	#define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0)
312	#define ev_periodic_init(ev,cb,at,ival,res) do { ev_watcher_init ((ev), (cb)); ev_periodic_set ((ev),(at),(ival),(res)); } while (0)	701	#define ev_periodic_init(ev,cb,ofs,ival,rcb) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(ofs),(ival),(rcb)); } while (0)
313	#define ev_signal_init(ev,cb,signum) do { ev_watcher_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0)	702	#define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0)
		703	#define ev_child_init(ev,cb,pid,trace) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid),(trace)); } while (0)
		704	#define ev_stat_init(ev,cb,path,interval) do { ev_init ((ev), (cb)); ev_stat_set ((ev),(path),(interval)); } while (0)
314	#define ev_idle_init(ev,cb) do { ev_watcher_init ((ev), (cb)); ev_idle_set ((ev)); } while (0)	705	#define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0)
315	#define ev_prepare_init(ev,cb) do { ev_watcher_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0)	706	#define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0)
316	#define ev_check_init(ev,cb) do { ev_watcher_init ((ev), (cb)); ev_check_set ((ev)); } while (0)	707	#define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0)
		708	#define ev_embed_init(ev,cb,other) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(other)); } while (0)
		709	#define ev_fork_init(ev,cb) do { ev_init ((ev), (cb)); ev_fork_set ((ev)); } while (0)
317	#define ev_child_init(ev,cb,pid) do { ev_watcher_init ((ev), (cb)); ev_child_set ((ev),(pid)); } while (0)	710	#define ev_cleanup_init(ev,cb) do { ev_init ((ev), (cb)); ev_cleanup_set ((ev)); } while (0)
		711	#define ev_async_init(ev,cb) do { ev_init ((ev), (cb)); ev_async_set ((ev)); } while (0)
318		712
319	#define ev_is_pending(ev) (0 + ((struct ev_watcher )(void )(ev))->pending) /* ro, true when watcher is waiting for callback invocation */	713	#define ev_is_pending(ev) (0 + ((ev_watcher )(void )(ev))->pending) /* ro, true when watcher is waiting for callback invocation */
320	#define ev_is_active(ev) (0 + ((struct ev_watcher )(void )(ev))->active) /* ro, true when the watcher has been started */	714	#define ev_is_active(ev) (0 + ((ev_watcher )(void )(ev))->active) /* ro, true when the watcher has been started */
321		715
322	#define ev_priority(ev) ((struct ev_watcher )(void )(ev))->priority /* rw */
323	#define ev_cb(ev) (ev)->cb /* rw */	716	#define ev_cb(ev) (ev)->cb /* rw */
		717
		718	#if EV_MINPRI == EV_MAXPRI
		719	# define ev_priority(ev) ((ev), EV_MINPRI)
324	#define ev_set_priority(ev,pri) ev_priority (ev) = (pri)	720	# define ev_set_priority(ev,pri) ((ev), (pri))
		721	#else
		722	# define ev_priority(ev) (+(((ev_watcher )(void )(ev))->priority))
		723	# define ev_set_priority(ev,pri) ( (ev_watcher )(void )(ev))->priority = (pri)
		724	#endif
		725
		726	#define ev_periodic_at(ev) (+((ev_watcher_time *)(ev))->at)
		727
		728	#ifndef ev_set_cb
325	#define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_)	729	# define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_)
		730	#endif
326		731
327	/* stopping (enabling, adding) a watcher does nothing if it is already running */	732	/* stopping (enabling, adding) a watcher does nothing if it is already running */
328	/* stopping (disabling, deleting) a watcher does nothing unless its already running */	733	/* stopping (disabling, deleting) a watcher does nothing unless its already running */
329	#if EV_PROTOTYPES	734	#if EV_PROTOTYPES
330		735
331	/* feeds an event into a watcher as if the event actually occured */	736	/* feeds an event into a watcher as if the event actually occurred */
332	/* accepts any ev_watcher type */	737	/* accepts any ev_watcher type */
333	void ev_feed_event (EV_P_ void *w, int revents);	738	EV_API_DECL void ev_feed_event (EV_P_ void *w, int revents) EV_THROW;
334	void ev_feed_fd_event (EV_P_ int fd, int revents);	739	EV_API_DECL void ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW;
		740	#if EV_SIGNAL_ENABLE
		741	EV_API_DECL void ev_feed_signal (int signum) EV_THROW;
335	void ev_feed_signal_event (EV_P_ int signum);	742	EV_API_DECL void ev_feed_signal_event (EV_P_ int signum) EV_THROW;
		743	#endif
		744	EV_API_DECL void ev_invoke (EV_P_ void *w, int revents);
		745	EV_API_DECL int ev_clear_pending (EV_P_ void *w) EV_THROW;
336		746
337	void ev_io_start (EV_P_ struct ev_io *w);	747	EV_API_DECL void ev_io_start (EV_P_ ev_io *w) EV_THROW;
338	void ev_io_stop (EV_P_ struct ev_io *w);	748	EV_API_DECL void ev_io_stop (EV_P_ ev_io *w) EV_THROW;
339		749
340	void ev_timer_start (EV_P_ struct ev_timer *w);	750	EV_API_DECL void ev_timer_start (EV_P_ ev_timer *w) EV_THROW;
341	void ev_timer_stop (EV_P_ struct ev_timer *w);	751	EV_API_DECL void ev_timer_stop (EV_P_ ev_timer *w) EV_THROW;
342	/* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */	752	/* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */
343	void ev_timer_again (EV_P_ struct ev_timer *w);	753	EV_API_DECL void ev_timer_again (EV_P_ ev_timer *w) EV_THROW;
		754	/* return remaining time */
		755	EV_API_DECL ev_tstamp ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW;
344		756
		757	#if EV_PERIODIC_ENABLE
345	void ev_periodic_start (EV_P_ struct ev_periodic *w);	758	EV_API_DECL void ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW;
346	void ev_periodic_stop (EV_P_ struct ev_periodic *w);	759	EV_API_DECL void ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW;
347	void ev_periodic_again (EV_P_ struct ev_periodic *w);	760	EV_API_DECL void ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW;
348		761	#endif
349	void ev_idle_start (EV_P_ struct ev_idle *w);
350	void ev_idle_stop (EV_P_ struct ev_idle *w);
351
352	void ev_prepare_start (EV_P_ struct ev_prepare *w);
353	void ev_prepare_stop (EV_P_ struct ev_prepare *w);
354
355	void ev_check_start (EV_P_ struct ev_check *w);
356	void ev_check_stop (EV_P_ struct ev_check *w);
357		762
358	/* only supported in the default loop */	763	/* only supported in the default loop */
		764	#if EV_SIGNAL_ENABLE
359	void ev_signal_start (EV_P_ struct ev_signal *w);	765	EV_API_DECL void ev_signal_start (EV_P_ ev_signal *w) EV_THROW;
360	void ev_signal_stop (EV_P_ struct ev_signal *w);	766	EV_API_DECL void ev_signal_stop (EV_P_ ev_signal *w) EV_THROW;
		767	#endif
361		768
362	/* only supported in the default loop */	769	/* only supported in the default loop */
		770	# if EV_CHILD_ENABLE
363	void ev_child_start (EV_P_ struct ev_child *w);	771	EV_API_DECL void ev_child_start (EV_P_ ev_child *w) EV_THROW;
364	void ev_child_stop (EV_P_ struct ev_child *w);	772	EV_API_DECL void ev_child_stop (EV_P_ ev_child *w) EV_THROW;
365	#endif	773	# endif
366		774
367	#ifdef __cplusplus	775	# if EV_STAT_ENABLE
368	}	776	EV_API_DECL void ev_stat_start (EV_P_ ev_stat *w) EV_THROW;
		777	EV_API_DECL void ev_stat_stop (EV_P_ ev_stat *w) EV_THROW;
		778	EV_API_DECL void ev_stat_stat (EV_P_ ev_stat *w) EV_THROW;
369	#endif	779	# endif
370		780
		781	# if EV_IDLE_ENABLE
		782	EV_API_DECL void ev_idle_start (EV_P_ ev_idle *w) EV_THROW;
		783	EV_API_DECL void ev_idle_stop (EV_P_ ev_idle *w) EV_THROW;
371	#endif	784	# endif
372		785
		786	#if EV_PREPARE_ENABLE
		787	EV_API_DECL void ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW;
		788	EV_API_DECL void ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW;
		789	#endif
		790
		791	#if EV_CHECK_ENABLE
		792	EV_API_DECL void ev_check_start (EV_P_ ev_check *w) EV_THROW;
		793	EV_API_DECL void ev_check_stop (EV_P_ ev_check *w) EV_THROW;
		794	#endif
		795
		796	# if EV_FORK_ENABLE
		797	EV_API_DECL void ev_fork_start (EV_P_ ev_fork *w) EV_THROW;
		798	EV_API_DECL void ev_fork_stop (EV_P_ ev_fork *w) EV_THROW;
		799	# endif
		800
		801	# if EV_CLEANUP_ENABLE
		802	EV_API_DECL void ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW;
		803	EV_API_DECL void ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW;
		804	# endif
		805
		806	# if EV_EMBED_ENABLE
		807	/* only supported when loop to be embedded is in fact embeddable */
		808	EV_API_DECL void ev_embed_start (EV_P_ ev_embed *w) EV_THROW;
		809	EV_API_DECL void ev_embed_stop (EV_P_ ev_embed *w) EV_THROW;
		810	EV_API_DECL void ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW;
		811	# endif
		812
		813	# if EV_ASYNC_ENABLE
		814	EV_API_DECL void ev_async_start (EV_P_ ev_async *w) EV_THROW;
		815	EV_API_DECL void ev_async_stop (EV_P_ ev_async *w) EV_THROW;
		816	EV_API_DECL void ev_async_send (EV_P_ ev_async *w) EV_THROW;
		817	# endif
		818
		819	#if EV_COMPAT3
		820	#define EVLOOP_NONBLOCK EVRUN_NOWAIT
		821	#define EVLOOP_ONESHOT EVRUN_ONCE
		822	#define EVUNLOOP_CANCEL EVBREAK_CANCEL
		823	#define EVUNLOOP_ONE EVBREAK_ONE
		824	#define EVUNLOOP_ALL EVBREAK_ALL
		825	#if EV_PROTOTYPES
		826	EV_INLINE void ev_loop (EV_P_ int flags) { ev_run (EV_A_ flags); }
		827	EV_INLINE void ev_unloop (EV_P_ int how ) { ev_break (EV_A_ how ); }
		828	EV_INLINE void ev_default_destroy (void) { ev_loop_destroy (EV_DEFAULT); }
		829	EV_INLINE void ev_default_fork (void) { ev_loop_fork (EV_DEFAULT); }
		830	#if EV_FEATURE_API
		831	EV_INLINE unsigned int ev_loop_count (EV_P) { return ev_iteration (EV_A); }
		832	EV_INLINE unsigned int ev_loop_depth (EV_P) { return ev_depth (EV_A); }
		833	EV_INLINE void ev_loop_verify (EV_P) { ev_verify (EV_A); }
		834	#endif
		835	#endif
		836	#else
		837	typedef struct ev_loop ev_loop;
		838	#endif
		839
		840	#endif
		841
		842	EV_CPP(})
		843
		844	#endif
		845

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Comparing libev/ev.h (file contents): Revision 1.42 by root, Fri Nov 9 15:15:21 2007 UTC vs. Revision 1.171 by root, Fri Mar 1 11:13:22 2013 UTC

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Comparing libev/ev.h (file contents):
Revision 1.42 by root, Fri Nov 9 15:15:21 2007 UTC vs.
Revision 1.171 by root, Fri Mar 1 11:13:22 2013 UTC