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

Comparing libev/ev.h (file contents):
Revision 1.63 by root, Fri Nov 23 05:00:45 2007 UTC vs.
Revision 1.194 by root, Mon Jul 1 21:47:42 2019 UTC

…		…
1	/*	1	/*
		2	* libev native API header
		3	*
2	* Copyright (c) 2007 Marc Alexander Lehmann <libev@schmorp.de>	4	* Copyright (c) 2007-2019 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
34	extern "C" {	44	# define EV_CPP(x) x
		45	# if __cplusplus >= 201103L
		46	# define EV_NOEXCEPT noexcept
		47	# else
		48	# define EV_NOEXCEPT
35	#endif	49	# endif
		50	#else
		51	# define EV_CPP(x)
		52	# define EV_NOEXCEPT
		53	#endif
		54	#define EV_THROW EV_NOEXCEPT /* pre-4.25, do not use in new code */
		55
		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
		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	#include <string.h> /* for memmove */
40	#ifndef EV_MINPRI	157
41	# define EV_MINPRI -2	158	#ifndef EV_ATOMIC_T
		159	# include <signal.h>
		160	# define EV_ATOMIC_T sig_atomic_t volatile
		161	#endif
		162
		163	#if EV_STAT_ENABLE
		164	# ifdef _WIN32
		165	# include <time.h>
		166	# include <sys/types.h>
42	#endif	167	# endif
43	#ifndef EV_MAXPRI	168	# 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	169	#endif
54		170
55	/* support multiple event loops? */	171	/* support multiple event loops? */
56	#if EV_MULTIPLICITY	172	#if EV_MULTIPLICITY
57	struct ev_loop;	173	struct ev_loop;
58	# define EV_P struct ev_loop *loop	174	# define EV_P struct ev_loop loop / a loop as sole parameter in a declaration */
59	# define EV_P_ EV_P,	175	# define EV_P_ EV_P, /* a loop as first of multiple parameters */
60	# define EV_A loop	176	# define EV_A loop /* a loop as sole argument to a function call */
61	# define EV_A_ EV_A,	177	# define EV_A_ EV_A, /* a loop as first of multiple arguments */
62	# define EV_DEFAULT_A ev_default_loop (0)	178	# define EV_DEFAULT_UC ev_default_loop_uc_ () /* the default loop, if initialised, as sole arg */
63	# define EV_DEFAULT_A_ EV_DEFAULT_A,	179	# define EV_DEFAULT_UC_ EV_DEFAULT_UC, /* the default loop as first of multiple arguments */
		180	# define EV_DEFAULT ev_default_loop (0) /* the default loop as sole arg */
		181	# define EV_DEFAULT_ EV_DEFAULT, /* the default loop as first of multiple arguments */
64	#else	182	#else
65	# define EV_P void	183	# define EV_P void
66	# define EV_P_	184	# define EV_P_
67	# define EV_A	185	# define EV_A
68	# define EV_A_	186	# define EV_A_
		187	# define EV_DEFAULT
69	# define EV_DEFAULT_A	188	# define EV_DEFAULT_
		189	# define EV_DEFAULT_UC
70	# define EV_DEFAULT_A_	190	# define EV_DEFAULT_UC_
		191	# undef EV_EMBED_ENABLE
71	#endif	192	#endif
		193
		194	/* EV_INLINE is used for functions in header files */
		195	#if __STDC_VERSION__ >= 199901L \|\| __GNUC__ >= 3
		196	# define EV_INLINE static inline
		197	#else
		198	# define EV_INLINE static
		199	#endif
		200
		201	#ifdef EV_API_STATIC
		202	# define EV_API_DECL static
		203	#else
		204	# define EV_API_DECL extern
		205	#endif
		206
		207	/* EV_PROTOTYPES can be used to switch of prototype declarations */
		208	#ifndef EV_PROTOTYPES
		209	# define EV_PROTOTYPES 1
		210	#endif
		211
		212	/*****************************************************************************/
		213
		214	#define EV_VERSION_MAJOR 4
		215	#define EV_VERSION_MINOR 27
72		216
73	/* eventmask, revents, events... */	217	/* eventmask, revents, events... */
74	#define EV_UNDEF -1L /* guaranteed to be invalid */	218	enum {
75	#define EV_NONE 0x00L	219	EV_UNDEF = (int)0xFFFFFFFF, /* guaranteed to be invalid */
76	#define EV_READ 0x01L /* io only */	220	EV_NONE = 0x00, /* no events */
77	#define EV_WRITE 0x02L /* io only */	221	EV_READ = 0x01, /* ev_io detected read will not block */
78	#define EV_TIMEOUT 0x000100L /* timer only */	222	EV_WRITE = 0x02, /* ev_io detected write will not block */
79	#define EV_PERIODIC 0x000200L /* periodic timer only */	223	EV__IOFDSET = 0x80, /* internal use only */
80	#define EV_SIGNAL 0x000400L /* signal only */	224	EV_IO = EV_READ, /* alias for type-detection */
81	#define EV_IDLE 0x000800L /* idle only */	225	EV_TIMER = 0x00000100, /* timer timed out */
82	#define EV_CHECK 0x001000L /* check only */	226	#if EV_COMPAT3
83	#define EV_PREPARE 0x002000L /* prepare only */	227	EV_TIMEOUT = EV_TIMER, /* pre 4.0 API compatibility */
84	#define EV_CHILD 0x004000L /* child/pid only */	228	#endif
		229	EV_PERIODIC = 0x00000200, /* periodic timer timed out */
		230	EV_SIGNAL = 0x00000400, /* signal was received */
		231	EV_CHILD = 0x00000800, /* child/pid had status change */
		232	EV_STAT = 0x00001000, /* stat data changed */
		233	EV_IDLE = 0x00002000, /* event loop is idling */
		234	EV_PREPARE = 0x00004000, /* event loop about to poll */
		235	EV_CHECK = 0x00008000, /* event loop finished poll */
		236	EV_EMBED = 0x00010000, /* embedded event loop needs sweep */
		237	EV_FORK = 0x00020000, /* event loop resumed in child */
		238	EV_CLEANUP = 0x00040000, /* event loop resumed in child */
		239	EV_ASYNC = 0x00080000, /* async intra-loop signal */
		240	EV_CUSTOM = 0x01000000, /* for use by user code */
85	#define EV_ERROR 0x800000L /* sent when an error occurs */	241	EV_ERROR = (int)0x80000000 /* sent when an error occurs */
		242	};
86		243
87	/* can be used to add custom fields to all watchers, while losing binary compatibility */	244	/* can be used to add custom fields to all watchers, while losing binary compatibility */
88	#ifndef EV_COMMON	245	#ifndef EV_COMMON
89	# define EV_COMMON void *data;	246	# define EV_COMMON void *data;
90	#endif	247	#endif
91	#ifndef EV_PROTOTYPES
92	# define EV_PROTOTYPES 1
93	#endif
94
95	#define EV_VERSION_MAJOR 1
96	#define EV_VERSION_MINOR 1
97		248
98	#ifndef EV_CB_DECLARE	249	#ifndef EV_CB_DECLARE
99	# define EV_CB_DECLARE(type) void (cb)(EV_P_ struct type w, int revents);	250	# define EV_CB_DECLARE(type) void (cb)(EV_P_ struct type w, int revents);
100	#endif	251	#endif
101	#ifndef EV_CB_INVOKE	252	#ifndef EV_CB_INVOKE
102	# define EV_CB_INVOKE(watcher,revents) (watcher)->cb (EV_A_ (watcher), (revents))	253	# define EV_CB_INVOKE(watcher,revents) (watcher)->cb (EV_A_ (watcher), (revents))
103	#endif	254	#endif
104		255
		256	/* not official, do not use */
		257	#define EV_CB(type,name) void name (EV_P_ struct ev_ ## type *w, int revents)
		258
105	/*	259	/*
106	* struct member types:	260	* struct member types:
107	* private: you can look at them, but not change them, and they might not mean anything to you.	261	* private: you may look at them, but not change them,
		262	* and they might not mean anything to you.
108	* ro: can be read anytime, but only changed when the watcher isn't active	263	* ro: can be read anytime, but only changed when the watcher isn't active.
109	* rw: can be read and modified anytime, even when the watcher is active	264	* rw: can be read and modified anytime, even when the watcher is active.
		265	*
		266	* some internal details that might be helpful for debugging:
		267	*
		268	* active is either 0, which means the watcher is not active,
		269	* or the array index of the watcher (periodics, timers)
		270	* or the array index + 1 (most other watchers)
		271	* or simply 1 for watchers that aren't in some array.
		272	* pending is either 0, in which case the watcher isn't,
		273	* or the array index + 1 in the pendings array.
110	*/	274	*/
		275
		276	#if EV_MINPRI == EV_MAXPRI
		277	# define EV_DECL_PRIORITY
		278	#elif !defined (EV_DECL_PRIORITY)
		279	# define EV_DECL_PRIORITY int priority;
		280	#endif
111		281
112	/* shared by all watchers */	282	/* shared by all watchers */
113	#define EV_WATCHER(type) \	283	#define EV_WATCHER(type) \
114	int active; /* private */ \	284	int active; /* private */ \
115	int pending; /* private */ \	285	int pending; /* private */ \
116	int priority; /* private */ \	286	EV_DECL_PRIORITY /* private */ \
117	EV_COMMON /* rw */ \	287	EV_COMMON /* rw */ \
118	EV_CB_DECLARE (type) /* private */	288	EV_CB_DECLARE (type) /* private */
119		289
120	#define EV_WATCHER_LIST(type) \	290	#define EV_WATCHER_LIST(type) \
121	EV_WATCHER (type) \	291	EV_WATCHER (type) \
124	#define EV_WATCHER_TIME(type) \	294	#define EV_WATCHER_TIME(type) \
125	EV_WATCHER (type) \	295	EV_WATCHER (type) \
126	ev_tstamp at; /* private */	296	ev_tstamp at; /* private */
127		297
128	/* base class, nothing to see here unless you subclass */	298	/* base class, nothing to see here unless you subclass */
129	struct ev_watcher	299	typedef struct ev_watcher
130	{	300	{
131	EV_WATCHER (ev_watcher)	301	EV_WATCHER (ev_watcher)
132	};	302	} ev_watcher;
133		303
134	/* base class, nothing to see here unless you subclass */	304	/* base class, nothing to see here unless you subclass */
135	struct ev_watcher_list	305	typedef struct ev_watcher_list
136	{	306	{
137	EV_WATCHER_LIST (ev_watcher_list)	307	EV_WATCHER_LIST (ev_watcher_list)
138	};	308	} ev_watcher_list;
139		309
140	/* base class, nothing to see here unless you subclass */	310	/* base class, nothing to see here unless you subclass */
141	struct ev_watcher_time	311	typedef struct ev_watcher_time
142	{	312	{
143	EV_WATCHER_TIME (ev_watcher_time)	313	EV_WATCHER_TIME (ev_watcher_time)
144	};	314	} ev_watcher_time;
		315
		316	/* invoked when fd is either EV_READable or EV_WRITEable */
		317	/* revent EV_READ, EV_WRITE */
		318	typedef struct ev_io
		319	{
		320	EV_WATCHER_LIST (ev_io)
		321
		322	int fd; /* ro */
		323	int events; /* ro */
		324	} ev_io;
145		325
146	/* invoked after a specific time, repeatable (based on monotonic clock) */	326	/* invoked after a specific time, repeatable (based on monotonic clock) */
147	/* revent EV_TIMEOUT */	327	/* revent EV_TIMEOUT */
148	struct ev_timer	328	typedef struct ev_timer
149	{	329	{
150	EV_WATCHER_TIME (ev_timer)	330	EV_WATCHER_TIME (ev_timer)
151		331
152	ev_tstamp repeat; /* rw */	332	ev_tstamp repeat; /* rw */
153	};	333	} ev_timer;
154		334
155	/* invoked at some specific time, possibly repeating at regular intervals (based on UTC) */	335	/* invoked at some specific time, possibly repeating at regular intervals (based on UTC) */
156	/* revent EV_PERIODIC */	336	/* revent EV_PERIODIC */
157	struct ev_periodic	337	typedef struct ev_periodic
158	{	338	{
159	EV_WATCHER_TIME (ev_periodic)	339	EV_WATCHER_TIME (ev_periodic)
160		340
		341	ev_tstamp offset; /* rw */
161	ev_tstamp interval; /* rw */	342	ev_tstamp interval; /* rw */
162	ev_tstamp (reschedule_cb)(struct ev_periodic w, ev_tstamp now); /* rw */	343	ev_tstamp (reschedule_cb)(struct ev_periodic w, ev_tstamp now) EV_NOEXCEPT; /* rw */
163	};	344	} ev_periodic;
164
165	/* invoked when fd is either EV_READable or EV_WRITEable */
166	/* revent EV_READ, EV_WRITE */
167	struct ev_io
168	{
169	EV_WATCHER_LIST (ev_io)
170
171	int fd; /* ro */
172	int events; /* ro */
173	};
174		345
175	/* invoked when the given signal has been received */	346	/* invoked when the given signal has been received */
176	/* revent EV_SIGNAL */	347	/* revent EV_SIGNAL */
177	struct ev_signal	348	typedef struct ev_signal
178	{	349	{
179	EV_WATCHER_LIST (ev_signal)	350	EV_WATCHER_LIST (ev_signal)
180		351
181	int signum; /* ro */	352	int signum; /* ro */
182	};	353	} ev_signal;
183		354
		355	/* invoked when sigchld is received and waitpid indicates the given pid */
		356	/* revent EV_CHILD */
		357	/* does not support priorities */
		358	typedef struct ev_child
		359	{
		360	EV_WATCHER_LIST (ev_child)
		361
		362	int flags; /* private */
		363	int pid; /* ro */
		364	int rpid; /* rw, holds the received pid */
		365	int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */
		366	} ev_child;
		367
		368	#if EV_STAT_ENABLE
		369	/* st_nlink = 0 means missing file or other error */
		370	# ifdef _WIN32
		371	typedef struct _stati64 ev_statdata;
		372	# else
		373	typedef struct stat ev_statdata;
		374	# endif
		375
		376	/* invoked each time the stat data changes for a given path */
		377	/* revent EV_STAT */
		378	typedef struct ev_stat
		379	{
		380	EV_WATCHER_LIST (ev_stat)
		381
		382	ev_timer timer; /* private */
		383	ev_tstamp interval; /* ro */
		384	const char path; / ro */
		385	ev_statdata prev; /* ro */
		386	ev_statdata attr; /* ro */
		387
		388	int wd; /* wd for inotify, fd for kqueue */
		389	} ev_stat;
		390	#endif
		391
		392	#if EV_IDLE_ENABLE
184	/* invoked when the nothing else needs to be done, keeps the process from blocking */	393	/* invoked when the nothing else needs to be done, keeps the process from blocking */
185	/* revent EV_IDLE */	394	/* revent EV_IDLE */
186	struct ev_idle	395	typedef struct ev_idle
187	{	396	{
188	EV_WATCHER (ev_idle)	397	EV_WATCHER (ev_idle)
189	};	398	} ev_idle;
		399	#endif
190		400
191	/* invoked for each run of the mainloop, just before the blocking call */	401	/* invoked for each run of the mainloop, just before the blocking call */
192	/* you can still change events in any way you like */	402	/* you can still change events in any way you like */
193	/* revent EV_PREPARE */	403	/* revent EV_PREPARE */
194	struct ev_prepare	404	typedef struct ev_prepare
195	{	405	{
196	EV_WATCHER (ev_prepare)	406	EV_WATCHER (ev_prepare)
197	};	407	} ev_prepare;
198		408
199	/* invoked for each run of the mainloop, just after the blocking call */	409	/* invoked for each run of the mainloop, just after the blocking call */
200	/* revent EV_CHECK */	410	/* revent EV_CHECK */
201	struct ev_check	411	typedef struct ev_check
202	{	412	{
203	EV_WATCHER (ev_check)	413	EV_WATCHER (ev_check)
204	};	414	} ev_check;
205		415
206	/* invoked when sigchld is received and waitpid indicates the given pid */	416	#if EV_FORK_ENABLE
		417	/* the callback gets invoked before check in the child process when a fork was detected */
		418	/* revent EV_FORK */
		419	typedef struct ev_fork
		420	{
		421	EV_WATCHER (ev_fork)
		422	} ev_fork;
		423	#endif
		424
		425	#if EV_CLEANUP_ENABLE
		426	/* is invoked just before the loop gets destroyed */
207	/* revent EV_CHILD */	427	/* revent EV_CLEANUP */
208	/* does not support priorities */	428	typedef struct ev_cleanup
209	struct ev_child
210	{	429	{
211	EV_WATCHER_LIST (ev_child)	430	EV_WATCHER (ev_cleanup)
		431	} ev_cleanup;
		432	#endif
212		433
213	int pid; /* ro */	434	#if EV_EMBED_ENABLE
214	int rpid; /* rw, holds the received pid */	435	/* used to embed an event loop inside another */
215	int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */	436	/* the callback gets invoked when the event loop has handled events, and can be 0 */
216	};	437	typedef struct ev_embed
		438	{
		439	EV_WATCHER (ev_embed)
		440
		441	struct ev_loop other; / ro */
		442	ev_io io; /* private */
		443	ev_prepare prepare; /* private */
		444	ev_check check; /* unused */
		445	ev_timer timer; /* unused */
		446	ev_periodic periodic; /* unused */
		447	ev_idle idle; /* unused */
		448	ev_fork fork; /* private */
		449	#if EV_CLEANUP_ENABLE
		450	ev_cleanup cleanup; /* unused */
		451	#endif
		452	} ev_embed;
		453	#endif
		454
		455	#if EV_ASYNC_ENABLE
		456	/* invoked when somebody calls ev_async_send on the watcher */
		457	/* revent EV_ASYNC */
		458	typedef struct ev_async
		459	{
		460	EV_WATCHER (ev_async)
		461
		462	EV_ATOMIC_T sent; /* private */
		463	} ev_async;
		464
		465	# define ev_async_pending(w) (+(w)->sent)
		466	#endif
217		467
218	/* the presence of this union forces similar struct layout */	468	/* the presence of this union forces similar struct layout */
219	union ev_any_watcher	469	union ev_any_watcher
220	{	470	{
221	struct ev_watcher w;	471	struct ev_watcher w;
222	struct ev_watcher_list wl;	472	struct ev_watcher_list wl;
223		473
224	struct ev_io io;	474	struct ev_io io;
225	struct ev_timer timer;	475	struct ev_timer timer;
226	struct ev_periodic periodic;	476	struct ev_periodic periodic;
		477	struct ev_signal signal;
		478	struct ev_child child;
		479	#if EV_STAT_ENABLE
		480	struct ev_stat stat;
		481	#endif
		482	#if EV_IDLE_ENABLE
227	struct ev_idle idle;	483	struct ev_idle idle;
		484	#endif
228	struct ev_prepare prepare;	485	struct ev_prepare prepare;
229	struct ev_check check;	486	struct ev_check check;
230	struct ev_signal signal;	487	#if EV_FORK_ENABLE
231	struct ev_child child;	488	struct ev_fork fork;
		489	#endif
		490	#if EV_CLEANUP_ENABLE
		491	struct ev_cleanup cleanup;
		492	#endif
		493	#if EV_EMBED_ENABLE
		494	struct ev_embed embed;
		495	#endif
		496	#if EV_ASYNC_ENABLE
		497	struct ev_async async;
		498	#endif
232	};	499	};
233		500
234	/* bits for ev_default_loop and ev_loop_new */	501	/* flag bits for ev_default_loop and ev_loop_new */
		502	enum {
235	/* the default */	503	/* the default */
236	#define EVFLAG_AUTO 0x00000000UL /* not quite a mask */	504	EVFLAG_AUTO = 0x00000000U, /* not quite a mask */
237	/* flag bits */	505	/* flag bits */
238	#define EVFLAG_NOENV 0x01000000UL /* do NOT consult environment */	506	EVFLAG_NOENV = 0x01000000U, /* do NOT consult environment */
		507	EVFLAG_FORKCHECK = 0x02000000U, /* check for a fork in each iteration */
		508	/* debugging/feature disable */
		509	EVFLAG_NOINOTIFY = 0x00100000U, /* do not attempt to use inotify */
		510	#if EV_COMPAT3
		511	EVFLAG_NOSIGFD = 0, /* compatibility to pre-3.9 */
		512	#endif
		513	EVFLAG_SIGNALFD = 0x00200000U, /* attempt to use signalfd */
		514	EVFLAG_NOSIGMASK = 0x00400000U /* avoid modifying the signal mask */
		515	};
		516
239	/* method bits to be ored together */	517	/* method bits to be ored together */
		518	enum {
240	#define EVBACKEND_SELECT 0x00000001UL /* about anywhere */	519	EVBACKEND_SELECT = 0x00000001U, /* available just about anywhere */
241	#define EVBACKEND_POLL 0x00000002UL /* !win */	520	EVBACKEND_POLL = 0x00000002U, /* !win, !aix, broken on osx */
242	#define EVBACKEND_EPOLL 0x00000004UL /* linux */	521	EVBACKEND_EPOLL = 0x00000004U, /* linux */
243	#define EVBACKEND_KQUEUE 0x00000008UL /* bsd */	522	EVBACKEND_KQUEUE = 0x00000008U, /* bsd, broken on osx */
244	#define EVBACKEND_DEVPOLL 0x00000010UL /* solaris 8 / / NYI */	523	EVBACKEND_DEVPOLL = 0x00000010U, /* solaris 8 / / NYI */
245	#define EVBACKEND_PORT 0x00000020UL /* solaris 10 */	524	EVBACKEND_PORT = 0x00000020U, /* solaris 10 */
		525	EVBACKEND_LINUXAIO = 0x00000040U, /* linuix AIO */
		526	EVBACKEND_IOURING = 0x00000080U, /* linux io_uring, TBD */
		527	EVBACKEND_ALL = 0x000000FFU, /* all known backends */
		528	EVBACKEND_MASK = 0x0000FFFFU /* all future backends */
		529	};
246		530
247	#if EV_PROTOTYPES	531	#if EV_PROTOTYPES
248	int ev_version_major (void);	532	EV_API_DECL int ev_version_major (void) EV_NOEXCEPT;
249	int ev_version_minor (void);	533	EV_API_DECL int ev_version_minor (void) EV_NOEXCEPT;
250		534
251	unsigned int ev_supported_backends (void);	535	EV_API_DECL unsigned int ev_supported_backends (void) EV_NOEXCEPT;
252	unsigned int ev_recommended_backends (void);	536	EV_API_DECL unsigned int ev_recommended_backends (void) EV_NOEXCEPT;
		537	EV_API_DECL unsigned int ev_embeddable_backends (void) EV_NOEXCEPT;
253		538
254	ev_tstamp ev_time (void);	539	EV_API_DECL ev_tstamp ev_time (void) EV_NOEXCEPT;
		540	EV_API_DECL void ev_sleep (ev_tstamp delay) EV_NOEXCEPT; /* sleep for a while */
255		541
256	/* Sets the allocation function to use, works like realloc.	542	/* Sets the allocation function to use, works like realloc.
257	* It is used to allocate and free memory.	543	* It is used to allocate and free memory.
258	* If it returns zero when memory needs to be allocated, the library might abort	544	* If it returns zero when memory needs to be allocated, the library might abort
259	* or take some potentially destructive action.	545	* or take some potentially destructive action.
260	* The default is your system realloc function.	546	* The default is your system realloc function.
261	*/	547	*/
262	void ev_set_allocator (void (cb)(void *ptr, long size));	548	EV_API_DECL void ev_set_allocator (void (cb)(void *ptr, long size) EV_NOEXCEPT) EV_NOEXCEPT;
263		549
264	/* set the callback function to call on a	550	/* set the callback function to call on a
265	* retryable syscall error	551	* retryable syscall error
266	* (such as failed select, poll, epoll_wait)	552	* (such as failed select, poll, epoll_wait)
267	*/	553	*/
268	void ev_set_syserr_cb (void (cb)(const char msg));	554	EV_API_DECL void ev_set_syserr_cb (void (cb)(const char msg) EV_NOEXCEPT) EV_NOEXCEPT;
269		555
270	# if EV_MULTIPLICITY	556	#if EV_MULTIPLICITY
		557
271	/* the default loop is the only one that handles signals and child watchers */	558	/* the default loop is the only one that handles signals and child watchers */
272	/* you can call this as often as you like */	559	/* you can call this as often as you like */
273	static struct ev_loop *	560	EV_API_DECL struct ev_loop *ev_default_loop (unsigned int flags EV_CPP (= 0)) EV_NOEXCEPT;
274	ev_default_loop (unsigned int flags)	561
		562	#ifdef EV_API_STATIC
		563	EV_API_DECL struct ev_loop *ev_default_loop_ptr;
		564	#endif
		565
		566	EV_INLINE struct ev_loop *
		567	ev_default_loop_uc_ (void) EV_NOEXCEPT
275	{	568	{
276	extern struct ev_loop *ev_default_loop_ptr;	569	extern struct ev_loop *ev_default_loop_ptr;
277	extern struct ev_loop *ev_default_loop_init (unsigned int flags);
278
279	if (!ev_default_loop_ptr)
280	ev_default_loop_init (flags);
281		570
282	return ev_default_loop_ptr;	571	return ev_default_loop_ptr;
283	}	572	}
284		573
		574	EV_INLINE int
		575	ev_is_default_loop (EV_P) EV_NOEXCEPT
		576	{
		577	return EV_A == EV_DEFAULT_UC;
		578	}
		579
285	/* create and destroy alternative loops that don't handle signals */	580	/* create and destroy alternative loops that don't handle signals */
286	struct ev_loop *ev_loop_new (unsigned int flags);	581	EV_API_DECL struct ev_loop *ev_loop_new (unsigned int flags EV_CPP (= 0)) EV_NOEXCEPT;
287	void ev_loop_destroy (EV_P);
288	void ev_loop_fork (EV_P);
289		582
290	ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */	583	EV_API_DECL ev_tstamp ev_now (EV_P) EV_NOEXCEPT; /* time w.r.t. timers and the eventloop, updated after each poll */
291		584
292	# else	585	#else
293		586
294	int ev_default_loop (unsigned int flags); /* returns true when successful */	587	EV_API_DECL int ev_default_loop (unsigned int flags EV_CPP (= 0)) EV_NOEXCEPT; /* returns true when successful */
295		588
296	static ev_tstamp	589	EV_API_DECL ev_tstamp ev_rt_now;
297	ev_now (void)
298	{
299	extern ev_tstamp ev_rt_now;
300		590
		591	EV_INLINE ev_tstamp
		592	ev_now (void) EV_NOEXCEPT
		593	{
301	return ev_rt_now;	594	return ev_rt_now;
302	}	595	}
303	# endif
304		596
305	void ev_default_destroy (void); /* destroy the default loop */	597	/* looks weird, but ev_is_default_loop (EV_A) still works if this exists */
		598	EV_INLINE int
		599	ev_is_default_loop (void) EV_NOEXCEPT
		600	{
		601	return 1;
		602	}
		603
		604	#endif /* multiplicity */
		605
		606	/* destroy event loops, also works for the default loop */
		607	EV_API_DECL void ev_loop_destroy (EV_P);
		608
306	/* this needs to be called after fork, to duplicate the default loop */	609	/* this needs to be called after fork, to duplicate the loop */
307	/* if you create alternative loops you have to call ev_loop_fork on them */	610	/* when you want to re-use it in the child */
308	/* you can call it in either the parent or the child */	611	/* you can call it in either the parent or the child */
309	/* you can actually call it at any time, anywhere :) */	612	/* you can actually call it at any time, anywhere :) */
310	void ev_default_fork (void);	613	EV_API_DECL void ev_loop_fork (EV_P) EV_NOEXCEPT;
311		614
312	unsigned int ev_backend (EV_P);	615	EV_API_DECL unsigned int ev_backend (EV_P) EV_NOEXCEPT; /* backend in use by loop */
313	#endif
314		616
315	#define EVLOOP_NONBLOCK 1 /* do not block/wait */	617	EV_API_DECL void ev_now_update (EV_P) EV_NOEXCEPT; /* update event loop time */
316	#define EVLOOP_ONESHOT 2 /* block once only */	618
317	#define EVUNLOOP_ONE 1 /* unloop once */	619	#if EV_WALK_ENABLE
		620	/* walk (almost) all watchers in the loop of a given type, invoking the */
		621	/* callback on every such watcher. The callback might stop the watcher, */
		622	/* but do nothing else with the loop */
		623	EV_API_DECL void ev_walk (EV_P_ int types, void (cb)(EV_P_ int type, void w)) EV_NOEXCEPT;
		624	#endif
		625
		626	#endif /* prototypes */
		627
		628	/* ev_run flags values */
		629	enum {
		630	EVRUN_NOWAIT = 1, /* do not block/wait */
		631	EVRUN_ONCE = 2 /* block once only */
		632	};
		633
		634	/* ev_break how values */
		635	enum {
		636	EVBREAK_CANCEL = 0, /* undo unloop */
		637	EVBREAK_ONE = 1, /* unloop once */
318	#define EVUNLOOP_ALL 2 /* unloop all loops */	638	EVBREAK_ALL = 2 /* unloop all loops */
		639	};
319		640
320	#if EV_PROTOTYPES	641	#if EV_PROTOTYPES
321	void ev_loop (EV_P_ int flags);	642	EV_API_DECL int ev_run (EV_P_ int flags EV_CPP (= 0));
322	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 */	643	EV_API_DECL void ev_break (EV_P_ int how EV_CPP (= EVBREAK_ONE)) EV_NOEXCEPT; /* break out of the loop */
323		644
324	/*	645	/*
325	* ref/unref can be used to add or remove a refcount on the mainloop. every watcher	646	* ref/unref can be used to add or remove a refcount on the mainloop. every watcher
326	* keeps one reference. if you have a long-runing watcher you never unregister that	647	* keeps one reference. if you have a long-running watcher you never unregister that
327	* should not keep ev_loop from running, unref() after starting, and ref() before stopping.	648	* should not keep ev_loop from running, unref() after starting, and ref() before stopping.
328	*/	649	*/
329	void ev_ref (EV_P);	650	EV_API_DECL void ev_ref (EV_P) EV_NOEXCEPT;
330	void ev_unref (EV_P);	651	EV_API_DECL void ev_unref (EV_P) EV_NOEXCEPT;
331		652
		653	/*
332	/* convinience function, wait for a single event, without registering an event watcher */	654	* convenience function, wait for a single event, without registering an event watcher
333	/* if timeout is < 0, do wait indefinitely */	655	* if timeout is < 0, do wait indefinitely
		656	*/
334	void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (cb)(int revents, void arg), void *arg);	657	EV_API_DECL void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (cb)(int revents, void arg), void *arg) EV_NOEXCEPT;
		658
		659	# if EV_FEATURE_API
		660	EV_API_DECL unsigned int ev_iteration (EV_P) EV_NOEXCEPT; /* number of loop iterations */
		661	EV_API_DECL unsigned int ev_depth (EV_P) EV_NOEXCEPT; /* #ev_loop enters - #ev_loop leaves */
		662	EV_API_DECL void ev_verify (EV_P) EV_NOEXCEPT; /* abort if loop data corrupted */
		663
		664	EV_API_DECL void ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT; /* sleep at least this time, default 0 */
		665	EV_API_DECL void ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT; /* sleep at least this time, default 0 */
		666
		667	/* advanced stuff for threading etc. support, see docs */
		668	EV_API_DECL void ev_set_userdata (EV_P_ void *data) EV_NOEXCEPT;
		669	EV_API_DECL void *ev_userdata (EV_P) EV_NOEXCEPT;
		670	typedef void (*ev_loop_callback)(EV_P);
		671	EV_API_DECL void ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_NOEXCEPT;
		672	/* C++ doesn't allow the use of the ev_loop_callback typedef here, so we need to spell it out */
		673	EV_API_DECL void ev_set_loop_release_cb (EV_P_ void (release)(EV_P) EV_NOEXCEPT, void (acquire)(EV_P) EV_NOEXCEPT) EV_NOEXCEPT;
		674
		675	EV_API_DECL unsigned int ev_pending_count (EV_P) EV_NOEXCEPT; /* number of pending events, if any */
		676	EV_API_DECL void ev_invoke_pending (EV_P); /* invoke all pending watchers */
		677
		678	/*
		679	* stop/start the timer handling.
		680	*/
		681	EV_API_DECL void ev_suspend (EV_P) EV_NOEXCEPT;
		682	EV_API_DECL void ev_resume (EV_P) EV_NOEXCEPT;
		683	#endif
		684
335	#endif	685	#endif
336		686
337	/* these may evaluate ev multiple times, and the other arguments at most once */	687	/* these may evaluate ev multiple times, and the other arguments at most once */
338	/* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */	688	/* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */
339	#define ev_init(ev,cb_) do { \	689	#define ev_init(ev,cb_) do { \
340	((struct ev_watcher )(void )(ev))->active = \	690	((ev_watcher )(void )(ev))->active = \
341	((struct ev_watcher )(void )(ev))->pending = \	691	((ev_watcher )(void )(ev))->pending = 0; \
342	((struct ev_watcher )(void )(ev))->priority = 0; \	692	ev_set_priority ((ev), 0); \
343	ev_set_cb ((ev), cb_); \	693	ev_set_cb ((ev), cb_); \
344	} while (0)	694	} while (0)
345		695
346	#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_); } while (0)	696	#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_) \| EV__IOFDSET; } while (0)
347	#define ev_timer_set(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); } while (0)	697	#define ev_timer_set(ev,after_,repeat_) do { ((ev_watcher_time *)(ev))->at = (after_); (ev)->repeat = (repeat_); } while (0)
348	#define ev_periodic_set(ev,at_,ival_,res_) do { (ev)->at = (at_); (ev)->interval = (ival_); (ev)->reschedule_cb= (res_); } while (0)	698	#define ev_periodic_set(ev,ofs_,ival_,rcb_) do { (ev)->offset = (ofs_); (ev)->interval = (ival_); (ev)->reschedule_cb = (rcb_); } while (0)
349	#define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0)	699	#define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0)
		700	#define ev_child_set(ev,pid_,trace_) do { (ev)->pid = (pid_); (ev)->flags = !!(trace_); } while (0)
		701	#define ev_stat_set(ev,path_,interval_) do { (ev)->path = (path_); (ev)->interval = (interval_); (ev)->wd = -2; } while (0)
350	#define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */	702	#define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */
351	#define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */	703	#define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */
352	#define ev_check_set(ev) /* nop, yes, this is a serious in-joke */	704	#define ev_check_set(ev) /* nop, yes, this is a serious in-joke */
353	#define ev_child_set(ev,pid_) do { (ev)->pid = (pid_); } while (0)	705	#define ev_embed_set(ev,other_) do { (ev)->other = (other_); } while (0)
		706	#define ev_fork_set(ev) /* nop, yes, this is a serious in-joke */
		707	#define ev_cleanup_set(ev) /* nop, yes, this is a serious in-joke */
		708	#define ev_async_set(ev) /* nop, yes, this is a serious in-joke */
354		709
355	#define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)	710	#define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)
356	#define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0)	711	#define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0)
357	#define ev_periodic_init(ev,cb,at,ival,res) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(at),(ival),(res)); } while (0)	712	#define ev_periodic_init(ev,cb,ofs,ival,rcb) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(ofs),(ival),(rcb)); } while (0)
358	#define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0)	713	#define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0)
		714	#define ev_child_init(ev,cb,pid,trace) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid),(trace)); } while (0)
		715	#define ev_stat_init(ev,cb,path,interval) do { ev_init ((ev), (cb)); ev_stat_set ((ev),(path),(interval)); } while (0)
359	#define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0)	716	#define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0)
360	#define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0)	717	#define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0)
361	#define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0)	718	#define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0)
		719	#define ev_embed_init(ev,cb,other) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(other)); } while (0)
		720	#define ev_fork_init(ev,cb) do { ev_init ((ev), (cb)); ev_fork_set ((ev)); } while (0)
362	#define ev_child_init(ev,cb,pid) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid)); } while (0)	721	#define ev_cleanup_init(ev,cb) do { ev_init ((ev), (cb)); ev_cleanup_set ((ev)); } while (0)
		722	#define ev_async_init(ev,cb) do { ev_init ((ev), (cb)); ev_async_set ((ev)); } while (0)
363		723
364	#define ev_is_pending(ev) (0 + ((struct ev_watcher )(void )(ev))->pending) /* ro, true when watcher is waiting for callback invocation */	724	#define ev_is_pending(ev) (0 + ((ev_watcher )(void )(ev))->pending) /* ro, true when watcher is waiting for callback invocation */
365	#define ev_is_active(ev) (0 + ((struct ev_watcher )(void )(ev))->active) /* ro, true when the watcher has been started */	725	#define ev_is_active(ev) (0 + ((ev_watcher )(void )(ev))->active) /* ro, true when the watcher has been started */
366		726
367	#define ev_priority(ev) ((struct ev_watcher )(void )(ev))->priority /* rw */
368	#define ev_cb(ev) (ev)->cb /* rw */	727	#define ev_cb_(ev) (ev)->cb /* rw */
		728	#define ev_cb(ev) (memmove (&ev_cb_ (ev), &((ev_watcher *)(ev))->cb, sizeof (ev_cb_ (ev))), (ev)->cb)
		729
		730	#if EV_MINPRI == EV_MAXPRI
		731	# define ev_priority(ev) ((ev), EV_MINPRI)
369	#define ev_set_priority(ev,pri) ev_priority (ev) = (pri)	732	# define ev_set_priority(ev,pri) ((ev), (pri))
		733	#else
		734	# define ev_priority(ev) (+(((ev_watcher )(void )(ev))->priority))
		735	# define ev_set_priority(ev,pri) ( (ev_watcher )(void )(ev))->priority = (pri)
		736	#endif
		737
		738	#define ev_periodic_at(ev) (+((ev_watcher_time *)(ev))->at)
370		739
371	#ifndef ev_set_cb	740	#ifndef ev_set_cb
372	# define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_)	741	# define ev_set_cb(ev,cb_) (ev_cb_ (ev) = (cb_), memmove (&((ev_watcher *)(ev))->cb, &ev_cb_ (ev), sizeof (ev_cb_ (ev))))
373	#endif	742	#endif
374		743
375	/* stopping (enabling, adding) a watcher does nothing if it is already running */	744	/* stopping (enabling, adding) a watcher does nothing if it is already running */
376	/* stopping (disabling, deleting) a watcher does nothing unless its already running */	745	/* stopping (disabling, deleting) a watcher does nothing unless it's already running */
377	#if EV_PROTOTYPES	746	#if EV_PROTOTYPES
378		747
379	/* feeds an event into a watcher as if the event actually occured */	748	/* feeds an event into a watcher as if the event actually occurred */
380	/* accepts any ev_watcher type */	749	/* accepts any ev_watcher type */
381	void ev_feed_event (EV_P_ void *w, int revents);	750	EV_API_DECL void ev_feed_event (EV_P_ void *w, int revents) EV_NOEXCEPT;
382	void ev_feed_fd_event (EV_P_ int fd, int revents);	751	EV_API_DECL void ev_feed_fd_event (EV_P_ int fd, int revents) EV_NOEXCEPT;
		752	#if EV_SIGNAL_ENABLE
		753	EV_API_DECL void ev_feed_signal (int signum) EV_NOEXCEPT;
383	void ev_feed_signal_event (EV_P_ int signum);	754	EV_API_DECL void ev_feed_signal_event (EV_P_ int signum) EV_NOEXCEPT;
		755	#endif
		756	EV_API_DECL void ev_invoke (EV_P_ void *w, int revents);
		757	EV_API_DECL int ev_clear_pending (EV_P_ void *w) EV_NOEXCEPT;
384		758
385	void ev_io_start (EV_P_ struct ev_io *w);	759	EV_API_DECL void ev_io_start (EV_P_ ev_io *w) EV_NOEXCEPT;
386	void ev_io_stop (EV_P_ struct ev_io *w);	760	EV_API_DECL void ev_io_stop (EV_P_ ev_io *w) EV_NOEXCEPT;
387		761
388	void ev_timer_start (EV_P_ struct ev_timer *w);	762	EV_API_DECL void ev_timer_start (EV_P_ ev_timer *w) EV_NOEXCEPT;
389	void ev_timer_stop (EV_P_ struct ev_timer *w);	763	EV_API_DECL void ev_timer_stop (EV_P_ ev_timer *w) EV_NOEXCEPT;
390	/* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */	764	/* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */
391	void ev_timer_again (EV_P_ struct ev_timer *w);	765	EV_API_DECL void ev_timer_again (EV_P_ ev_timer *w) EV_NOEXCEPT;
		766	/* return remaining time */
		767	EV_API_DECL ev_tstamp ev_timer_remaining (EV_P_ ev_timer *w) EV_NOEXCEPT;
392		768
393	#if EV_PERIODICS	769	#if EV_PERIODIC_ENABLE
394	void ev_periodic_start (EV_P_ struct ev_periodic *w);	770	EV_API_DECL void ev_periodic_start (EV_P_ ev_periodic *w) EV_NOEXCEPT;
395	void ev_periodic_stop (EV_P_ struct ev_periodic *w);	771	EV_API_DECL void ev_periodic_stop (EV_P_ ev_periodic *w) EV_NOEXCEPT;
396	void ev_periodic_again (EV_P_ struct ev_periodic *w);	772	EV_API_DECL void ev_periodic_again (EV_P_ ev_periodic *w) EV_NOEXCEPT;
397	#endif	773	#endif
398
399	void ev_idle_start (EV_P_ struct ev_idle *w);
400	void ev_idle_stop (EV_P_ struct ev_idle *w);
401
402	void ev_prepare_start (EV_P_ struct ev_prepare *w);
403	void ev_prepare_stop (EV_P_ struct ev_prepare *w);
404
405	void ev_check_start (EV_P_ struct ev_check *w);
406	void ev_check_stop (EV_P_ struct ev_check *w);
407		774
408	/* only supported in the default loop */	775	/* only supported in the default loop */
409	void ev_signal_start (EV_P_ struct ev_signal *w);	776	#if EV_SIGNAL_ENABLE
410	void ev_signal_stop (EV_P_ struct ev_signal *w);	777	EV_API_DECL void ev_signal_start (EV_P_ ev_signal *w) EV_NOEXCEPT;
		778	EV_API_DECL void ev_signal_stop (EV_P_ ev_signal *w) EV_NOEXCEPT;
		779	#endif
411		780
412	/* only supported in the default loop */	781	/* only supported in the default loop */
413	void ev_child_start (EV_P_ struct ev_child *w);	782	# if EV_CHILD_ENABLE
414	void ev_child_stop (EV_P_ struct ev_child *w);	783	EV_API_DECL void ev_child_start (EV_P_ ev_child *w) EV_NOEXCEPT;
		784	EV_API_DECL void ev_child_stop (EV_P_ ev_child *w) EV_NOEXCEPT;
415	#endif	785	# endif
416		786
417	#ifdef __cplusplus	787	# if EV_STAT_ENABLE
418	}	788	EV_API_DECL void ev_stat_start (EV_P_ ev_stat *w) EV_NOEXCEPT;
		789	EV_API_DECL void ev_stat_stop (EV_P_ ev_stat *w) EV_NOEXCEPT;
		790	EV_API_DECL void ev_stat_stat (EV_P_ ev_stat *w) EV_NOEXCEPT;
419	#endif	791	# endif
420		792
		793	# if EV_IDLE_ENABLE
		794	EV_API_DECL void ev_idle_start (EV_P_ ev_idle *w) EV_NOEXCEPT;
		795	EV_API_DECL void ev_idle_stop (EV_P_ ev_idle *w) EV_NOEXCEPT;
421	#endif	796	# endif
422		797
		798	#if EV_PREPARE_ENABLE
		799	EV_API_DECL void ev_prepare_start (EV_P_ ev_prepare *w) EV_NOEXCEPT;
		800	EV_API_DECL void ev_prepare_stop (EV_P_ ev_prepare *w) EV_NOEXCEPT;
		801	#endif
		802
		803	#if EV_CHECK_ENABLE
		804	EV_API_DECL void ev_check_start (EV_P_ ev_check *w) EV_NOEXCEPT;
		805	EV_API_DECL void ev_check_stop (EV_P_ ev_check *w) EV_NOEXCEPT;
		806	#endif
		807
		808	# if EV_FORK_ENABLE
		809	EV_API_DECL void ev_fork_start (EV_P_ ev_fork *w) EV_NOEXCEPT;
		810	EV_API_DECL void ev_fork_stop (EV_P_ ev_fork *w) EV_NOEXCEPT;
		811	# endif
		812
		813	# if EV_CLEANUP_ENABLE
		814	EV_API_DECL void ev_cleanup_start (EV_P_ ev_cleanup *w) EV_NOEXCEPT;
		815	EV_API_DECL void ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_NOEXCEPT;
		816	# endif
		817
		818	# if EV_EMBED_ENABLE
		819	/* only supported when loop to be embedded is in fact embeddable */
		820	EV_API_DECL void ev_embed_start (EV_P_ ev_embed *w) EV_NOEXCEPT;
		821	EV_API_DECL void ev_embed_stop (EV_P_ ev_embed *w) EV_NOEXCEPT;
		822	EV_API_DECL void ev_embed_sweep (EV_P_ ev_embed *w) EV_NOEXCEPT;
		823	# endif
		824
		825	# if EV_ASYNC_ENABLE
		826	EV_API_DECL void ev_async_start (EV_P_ ev_async *w) EV_NOEXCEPT;
		827	EV_API_DECL void ev_async_stop (EV_P_ ev_async *w) EV_NOEXCEPT;
		828	EV_API_DECL void ev_async_send (EV_P_ ev_async *w) EV_NOEXCEPT;
		829	# endif
		830
		831	#if EV_COMPAT3
		832	#define EVLOOP_NONBLOCK EVRUN_NOWAIT
		833	#define EVLOOP_ONESHOT EVRUN_ONCE
		834	#define EVUNLOOP_CANCEL EVBREAK_CANCEL
		835	#define EVUNLOOP_ONE EVBREAK_ONE
		836	#define EVUNLOOP_ALL EVBREAK_ALL
		837	#if EV_PROTOTYPES
		838	EV_INLINE void ev_loop (EV_P_ int flags) { ev_run (EV_A_ flags); }
		839	EV_INLINE void ev_unloop (EV_P_ int how ) { ev_break (EV_A_ how ); }
		840	EV_INLINE void ev_default_destroy (void) { ev_loop_destroy (EV_DEFAULT); }
		841	EV_INLINE void ev_default_fork (void) { ev_loop_fork (EV_DEFAULT); }
		842	#if EV_FEATURE_API
		843	EV_INLINE unsigned int ev_loop_count (EV_P) { return ev_iteration (EV_A); }
		844	EV_INLINE unsigned int ev_loop_depth (EV_P) { return ev_depth (EV_A); }
		845	EV_INLINE void ev_loop_verify (EV_P) { ev_verify (EV_A); }
		846	#endif
		847	#endif
		848	#else
		849	typedef struct ev_loop ev_loop;
		850	#endif
		851
		852	#endif
		853
		854	EV_CPP(})
		855
		856	#endif
		857

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Comparing libev/ev.h (file contents): Revision 1.63 by root, Fri Nov 23 05:00:45 2007 UTC vs. Revision 1.194 by root, Mon Jul 1 21:47:42 2019 UTC

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Comparing libev/ev.h (file contents):
Revision 1.63 by root, Fri Nov 23 05:00:45 2007 UTC vs.
Revision 1.194 by root, Mon Jul 1 21:47:42 2019 UTC