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

Comparing libev/ev.h (file contents):
Revision 1.29 by root, Sun Nov 4 00:24:17 2007 UTC vs.
Revision 1.190 by root, Fri Dec 21 06:54:30 2018 UTC

1	/*	1	/*
		2	* libev native API header
		3	*
2	* Copyright (c) 2007 Marc Alexander Lehmann <libev@schmorp.de>	4	* Copyright (c) 2007-2018 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	169	#endif
50		170
51	/* support multiple event loops? */	171	/* support multiple event loops? */
52	#if EV_MULTIPLICITY	172	#if EV_MULTIPLICITY
53	struct ev_loop;	173	struct ev_loop;
54	# define EV_P struct ev_loop *loop	174	# define EV_P struct ev_loop loop / a loop as sole parameter in a declaration */
55	# define EV_P_ EV_P,	175	# define EV_P_ EV_P, /* a loop as first of multiple parameters */
56	# define EV_A loop	176	# define EV_A loop /* a loop as sole argument to a function call */
57	# define EV_A_ EV_A,	177	# define EV_A_ EV_A, /* a loop as first of multiple arguments */
		178	# define EV_DEFAULT_UC ev_default_loop_uc_ () /* the default loop, if initialised, as sole arg */
		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 */
58	#else	182	#else
59	# define EV_P void	183	# define EV_P void
60	# define EV_P_	184	# define EV_P_
61	# define EV_A	185	# define EV_A
62	# define EV_A_	186	# define EV_A_
		187	# define EV_DEFAULT
		188	# define EV_DEFAULT_
		189	# define EV_DEFAULT_UC
		190	# define EV_DEFAULT_UC_
		191	# undef EV_EMBED_ENABLE
63	#endif	192	#endif
64		193
65	/* eventmask, revents, events... */	194	/* EV_INLINE is used for functions in header files */
66	#define EV_UNDEF -1 /* guaranteed to be invalid */	195	#if __STDC_VERSION__ >= 199901L \|\| __GNUC__ >= 3
67	#define EV_NONE 0x00	196	# define EV_INLINE static inline
68	#define EV_READ 0x01	197	#else
69	#define EV_WRITE 0x02	198	# 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	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 */
83	#ifndef EV_PROTOTYPES	208	#ifndef EV_PROTOTYPES
84	# define EV_PROTOTYPES 1	209	# define EV_PROTOTYPES 1
85	#endif	210	#endif
86		211
		212	/*****************************************************************************/
		213
87	#define EV_VERSION_MAJOR 1	214	#define EV_VERSION_MAJOR 4
88	#define EV_VERSION_MINOR 1	215	#define EV_VERSION_MINOR 25
		216
		217	/* eventmask, revents, events... */
		218	enum {
		219	EV_UNDEF = (int)0xFFFFFFFF, /* guaranteed to be invalid */
		220	EV_NONE = 0x00, /* no events */
		221	EV_READ = 0x01, /* ev_io detected read will not block */
		222	EV_WRITE = 0x02, /* ev_io detected write will not block */
		223	EV__IOFDSET = 0x80, /* internal use only */
		224	EV_IO = EV_READ, /* alias for type-detection */
		225	EV_TIMER = 0x00000100, /* timer timed out */
		226	#if EV_COMPAT3
		227	EV_TIMEOUT = EV_TIMER, /* pre 4.0 API compatibility */
		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 */
		241	EV_ERROR = (int)0x80000000 /* sent when an error occurs */
		242	};
		243
		244	/* can be used to add custom fields to all watchers, while losing binary compatibility */
		245	#ifndef EV_COMMON
		246	# define EV_COMMON void *data;
		247	#endif
		248
		249	#ifndef EV_CB_DECLARE
		250	# define EV_CB_DECLARE(type) void (cb)(EV_P_ struct type w, int revents);
		251	#endif
		252	#ifndef EV_CB_INVOKE
		253	# define EV_CB_INVOKE(watcher,revents) (watcher)->cb (EV_A_ (watcher), (revents))
		254	#endif
		255
		256	/* not official, do not use */
		257	#define EV_CB(type,name) void name (EV_P_ struct ev_ ## type *w, int revents)
89		258
90	/*	259	/*
91	* struct member types:	260	* struct member types:
92	* 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.
93	* 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.
94	* 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.
95	*/	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
96		281
97	/* shared by all watchers */	282	/* shared by all watchers */
98	#define EV_WATCHER(type) \	283	#define EV_WATCHER(type) \
99	int active; /* private */ \	284	int active; /* private */ \
100	int pending; /* private */ \	285	int pending; /* private */ \
101	int priority; /* ro */ \	286	EV_DECL_PRIORITY /* private */ \
102	EV_COMMON; /* rw */ \	287	EV_COMMON /* rw */ \
103	void (cb)(EV_P_ struct type , int revents); /* rw / / gets invoked with an eventmask */	288	EV_CB_DECLARE (type) /* private */
104		289
105	#define EV_WATCHER_LIST(type) \	290	#define EV_WATCHER_LIST(type) \
106	EV_WATCHER (type); \	291	EV_WATCHER (type) \
107	struct ev_watcher_list next / private */	292	struct ev_watcher_list next; / private */
108		293
109	#define EV_WATCHER_TIME(type) \	294	#define EV_WATCHER_TIME(type) \
110	EV_WATCHER (type); \	295	EV_WATCHER (type) \
111	ev_tstamp at /* private */	296	ev_tstamp at; /* private */
112		297
113	/* base class, nothing to see here unless you subclass */	298	/* base class, nothing to see here unless you subclass */
114	struct ev_watcher {	299	typedef struct ev_watcher
		300	{
115	EV_WATCHER (ev_watcher);	301	EV_WATCHER (ev_watcher)
116	};	302	} ev_watcher;
117		303
118	/* base class, nothing to see here unless you subclass */	304	/* base class, nothing to see here unless you subclass */
119	struct ev_watcher_list {	305	typedef struct ev_watcher_list
		306	{
120	EV_WATCHER_LIST (ev_watcher_list);	307	EV_WATCHER_LIST (ev_watcher_list)
121	};	308	} ev_watcher_list;
122		309
123	/* base class, nothing to see here unless you subclass */	310	/* base class, nothing to see here unless you subclass */
124	struct ev_watcher_time {	311	typedef struct ev_watcher_time
		312	{
125	EV_WATCHER_TIME (ev_watcher_time);	313	EV_WATCHER_TIME (ev_watcher_time)
126	};	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;
127		325
128	/* invoked after a specific time, repeatable (based on monotonic clock) */	326	/* invoked after a specific time, repeatable (based on monotonic clock) */
129	/* revent EV_TIMEOUT */	327	/* revent EV_TIMEOUT */
130	struct ev_timer	328	typedef struct ev_timer
131	{	329	{
132	EV_WATCHER_TIME (ev_timer);	330	EV_WATCHER_TIME (ev_timer)
133		331
134	ev_tstamp repeat; /* rw */	332	ev_tstamp repeat; /* rw */
135	};	333	} ev_timer;
136		334
137	/* 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) */
138	/* revent EV_PERIODIC */	336	/* revent EV_PERIODIC */
139	struct ev_periodic	337	typedef struct ev_periodic
140	{	338	{
141	EV_WATCHER_TIME (ev_periodic);	339	EV_WATCHER_TIME (ev_periodic)
142		340
		341	ev_tstamp offset; /* rw */
143	ev_tstamp interval; /* rw */	342	ev_tstamp interval; /* rw */
144	};	343	ev_tstamp (reschedule_cb)(struct ev_periodic w, ev_tstamp now) EV_NOEXCEPT; /* rw */
145		344	} ev_periodic;
146	/* invoked when fd is either EV_READable or EV_WRITEable */
147	/* revent EV_READ, EV_WRITE */
148	struct ev_io
149	{
150	EV_WATCHER_LIST (ev_io);
151
152	int fd; /* ro */
153	int events; /* ro */
154	};
155		345
156	/* invoked when the given signal has been received */	346	/* invoked when the given signal has been received */
157	/* revent EV_SIGNAL */	347	/* revent EV_SIGNAL */
158	struct ev_signal	348	typedef struct ev_signal
159	{	349	{
160	EV_WATCHER_LIST (ev_signal);	350	EV_WATCHER_LIST (ev_signal)
161	#if EV_MULTIPLICITY
162	struct ev_loop *loop;
163	#endif
164		351
165	int signum; /* ro */	352	int signum; /* ro */
166	};	353	} ev_signal;
167		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
168	/* 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 */
169	/* revent EV_IDLE */	394	/* revent EV_IDLE */
170	struct ev_idle	395	typedef struct ev_idle
171	{	396	{
172	EV_WATCHER (ev_idle);	397	EV_WATCHER (ev_idle)
173	};	398	} ev_idle;
		399	#endif
174		400
175	/* 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 */
176	/* you can still change events in any way you like */	402	/* you can still change events in any way you like */
177	/* revent EV_PREPARE */	403	/* revent EV_PREPARE */
178	struct ev_prepare	404	typedef struct ev_prepare
179	{	405	{
180	EV_WATCHER (ev_prepare);	406	EV_WATCHER (ev_prepare)
181	};	407	} ev_prepare;
182		408
183	/* 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 */
184	/* revent EV_CHECK */	410	/* revent EV_CHECK */
185	struct ev_check	411	typedef struct ev_check
186	{	412	{
187	EV_WATCHER (ev_check);	413	EV_WATCHER (ev_check)
		414	} ev_check;
		415
		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 */
		427	/* revent EV_CLEANUP */
		428	typedef struct ev_cleanup
		429	{
		430	EV_WATCHER (ev_cleanup)
		431	} ev_cleanup;
		432	#endif
		433
		434	#if EV_EMBED_ENABLE
		435	/* used to embed an event loop inside another */
		436	/* the callback gets invoked when the event loop has handled events, and can be 0 */
		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
		467
		468	/* the presence of this union forces similar struct layout */
		469	union ev_any_watcher
		470	{
		471	struct ev_watcher w;
		472	struct ev_watcher_list wl;
		473
		474	struct ev_io io;
		475	struct ev_timer timer;
		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
		483	struct ev_idle idle;
		484	#endif
		485	struct ev_prepare prepare;
		486	struct ev_check check;
		487	#if EV_FORK_ENABLE
		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
188	};	499	};
189		500
190	/* invoked when sigchld is received and waitpid indicates the givne pid */	501	/* flag bits for ev_default_loop and ev_loop_new */
191	/* revent EV_CHILD */	502	enum {
192	/* does not support priorities */	503	/* the default */
193	struct ev_child	504	EVFLAG_AUTO = 0x00000000U, /* not quite a mask */
194	{	505	/* flag bits */
195	EV_WATCHER_LIST (ev_child);	506	EVFLAG_NOENV = 0x01000000U, /* do NOT consult environment */
196		507	EVFLAG_FORKCHECK = 0x02000000U, /* check for a fork in each iteration */
197	int pid; /* ro */	508	/* debugging/feature disable */
198	int rpid; /* rw, holds the received pid */	509	EVFLAG_NOINOTIFY = 0x00100000U, /* do not attempt to use inotify */
199	int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */	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 */
200	};	515	};
201		516
202	#define EVMETHOD_AUTO 0 /* consults environment */	517	/* method bits to be ored together */
203	#define EVMETHOD_SELECT 1	518	enum {
204	#define EVMETHOD_POLL 2	519	EVBACKEND_SELECT = 0x00000001U, /* available just about anywhere */
205	#define EVMETHOD_EPOLL 4	520	EVBACKEND_POLL = 0x00000002U, /* !win, !aix, broken on osx */
206	#define EVMETHOD_KQUEUE 8	521	EVBACKEND_EPOLL = 0x00000004U, /* linux */
207	#define EVMETHOD_DEVPOLL 16 /* NYI */	522	EVBACKEND_KQUEUE = 0x00000008U, /* bsd, broken on osx */
208	#define EVMETHOD_PORT 32 /* NYI */	523	EVBACKEND_DEVPOLL = 0x00000010U, /* solaris 8 / / NYI */
209	#define EVMETHOD_ANY ~0 /* any method, do not consult env */	524	EVBACKEND_PORT = 0x00000020U, /* solaris 10 */
		525	EVBACKEND_ALL = 0x0000003FU, /* all known backends */
		526	EVBACKEND_MASK = 0x0000FFFFU /* all future backends */
		527	};
210		528
211	#if EV_PROTOTYPES	529	#if EV_PROTOTYPES
212	int ev_version_major (void);	530	EV_API_DECL int ev_version_major (void) EV_NOEXCEPT;
213	int ev_version_minor (void);	531	EV_API_DECL int ev_version_minor (void) EV_NOEXCEPT;
214		532
215	/* these three calls are suitable for plugging into pthread_atfork */	533	EV_API_DECL unsigned int ev_supported_backends (void) EV_NOEXCEPT;
216	void ev_fork_prepare (void);	534	EV_API_DECL unsigned int ev_recommended_backends (void) EV_NOEXCEPT;
217	void ev_fork_parent (void);	535	EV_API_DECL unsigned int ev_embeddable_backends (void) EV_NOEXCEPT;
218	void ev_fork_child (void);
219		536
220	ev_tstamp ev_time (void);	537	EV_API_DECL ev_tstamp ev_time (void) EV_NOEXCEPT;
		538	EV_API_DECL void ev_sleep (ev_tstamp delay) EV_NOEXCEPT; /* sleep for a while */
221		539
		540	/* Sets the allocation function to use, works like realloc.
		541	* It is used to allocate and free memory.
		542	* If it returns zero when memory needs to be allocated, the library might abort
		543	* or take some potentially destructive action.
		544	* The default is your system realloc function.
		545	*/
		546	EV_API_DECL void ev_set_allocator (void (cb)(void *ptr, long size) EV_NOEXCEPT) EV_NOEXCEPT;
		547
		548	/* set the callback function to call on a
		549	* retryable syscall error
		550	* (such as failed select, poll, epoll_wait)
		551	*/
		552	EV_API_DECL void ev_set_syserr_cb (void (cb)(const char msg) EV_NOEXCEPT) EV_NOEXCEPT;
		553
222	# if EV_MULTIPLICITY	554	#if EV_MULTIPLICITY
223	struct ev_loop *ev_loop_new (int methods);	555
224	void ev_loop_delete (EV_P);	556	/* the default loop is the only one that handles signals and child watchers */
225	# else	557	/* you can call this as often as you like */
226	int ev_init (int methods); /* returns ev_method */	558	EV_API_DECL struct ev_loop *ev_default_loop (unsigned int flags EV_CPP (= 0)) EV_NOEXCEPT;
		559
		560	#ifdef EV_API_STATIC
		561	EV_API_DECL struct ev_loop *ev_default_loop_ptr;
227	# endif	562	#endif
228		563
229	int ev_method (EV_P);	564	EV_INLINE struct ev_loop *
		565	ev_default_loop_uc_ (void) EV_NOEXCEPT
		566	{
		567	extern struct ev_loop *ev_default_loop_ptr;
230		568
231	#endif	569	return ev_default_loop_ptr;
		570	}
232		571
233	#define EVLOOP_NONBLOCK 1 /* do not block/wait */	572	EV_INLINE int
234	#define EVLOOP_ONESHOT 2 /* block once only */	573	ev_is_default_loop (EV_P) EV_NOEXCEPT
235	#define EVUNLOOP_ONCE 1 /* unloop once */	574	{
		575	return EV_A == EV_DEFAULT_UC;
		576	}
		577
		578	/* create and destroy alternative loops that don't handle signals */
		579	EV_API_DECL struct ev_loop *ev_loop_new (unsigned int flags EV_CPP (= 0)) EV_NOEXCEPT;
		580
		581	EV_API_DECL ev_tstamp ev_now (EV_P) EV_NOEXCEPT; /* time w.r.t. timers and the eventloop, updated after each poll */
		582
		583	#else
		584
		585	EV_API_DECL int ev_default_loop (unsigned int flags EV_CPP (= 0)) EV_NOEXCEPT; /* returns true when successful */
		586
		587	EV_API_DECL ev_tstamp ev_rt_now;
		588
		589	EV_INLINE ev_tstamp
		590	ev_now (void) EV_NOEXCEPT
		591	{
		592	return ev_rt_now;
		593	}
		594
		595	/* looks weird, but ev_is_default_loop (EV_A) still works if this exists */
		596	EV_INLINE int
		597	ev_is_default_loop (void) EV_NOEXCEPT
		598	{
		599	return 1;
		600	}
		601
		602	#endif /* multiplicity */
		603
		604	/* destroy event loops, also works for the default loop */
		605	EV_API_DECL void ev_loop_destroy (EV_P);
		606
		607	/* this needs to be called after fork, to duplicate the loop */
		608	/* when you want to re-use it in the child */
		609	/* you can call it in either the parent or the child */
		610	/* you can actually call it at any time, anywhere :) */
		611	EV_API_DECL void ev_loop_fork (EV_P) EV_NOEXCEPT;
		612
		613	EV_API_DECL unsigned int ev_backend (EV_P) EV_NOEXCEPT; /* backend in use by loop */
		614
		615	EV_API_DECL void ev_now_update (EV_P) EV_NOEXCEPT; /* update event loop time */
		616
		617	#if EV_WALK_ENABLE
		618	/* walk (almost) all watchers in the loop of a given type, invoking the */
		619	/* callback on every such watcher. The callback might stop the watcher, */
		620	/* but do nothing else with the loop */
		621	EV_API_DECL void ev_walk (EV_P_ int types, void (cb)(EV_P_ int type, void w)) EV_NOEXCEPT;
		622	#endif
		623
		624	#endif /* prototypes */
		625
		626	/* ev_run flags values */
		627	enum {
		628	EVRUN_NOWAIT = 1, /* do not block/wait */
		629	EVRUN_ONCE = 2 /* block once only */
		630	};
		631
		632	/* ev_break how values */
		633	enum {
		634	EVBREAK_CANCEL = 0, /* undo unloop */
		635	EVBREAK_ONE = 1, /* unloop once */
236	#define EVUNLOOP_ALL 2 /* unloop all loops */	636	EVBREAK_ALL = 2 /* unloop all loops */
		637	};
237		638
238	#if EV_PROTOTYPES	639	#if EV_PROTOTYPES
239	void ev_loop (EV_P_ int flags);	640	EV_API_DECL int ev_run (EV_P_ int flags EV_CPP (= 0));
240	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 */	641	EV_API_DECL void ev_break (EV_P_ int how EV_CPP (= EVBREAK_ONE)) EV_NOEXCEPT; /* break out of the loop */
241
242	ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */
243		642
244	/*	643	/*
245	* ref/unref can be used to add or remove a refcount on the mainloop. every watcher	644	* ref/unref can be used to add or remove a refcount on the mainloop. every watcher
246	* keeps one reference. if you have a long-runing watcher you never unregister that	645	* keeps one reference. if you have a long-running watcher you never unregister that
247	* should not keep ev_loop from running, unref() after starting, and ref() before stopping.	646	* should not keep ev_loop from running, unref() after starting, and ref() before stopping.
248	*/	647	*/
249	void ev_ref (EV_P);	648	EV_API_DECL void ev_ref (EV_P) EV_NOEXCEPT;
250	void ev_unref (EV_P);	649	EV_API_DECL void ev_unref (EV_P) EV_NOEXCEPT;
251		650
		651	/*
252	/* convinience function, wait for a single event, without registering an event watcher */	652	* convenience function, wait for a single event, without registering an event watcher
253	/* if timeout is < 0, do wait indefinitely */	653	* if timeout is < 0, do wait indefinitely
		654	*/
254	void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (cb)(int revents, void arg), void *arg);	655	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;
		656
		657	# if EV_FEATURE_API
		658	EV_API_DECL unsigned int ev_iteration (EV_P) EV_NOEXCEPT; /* number of loop iterations */
		659	EV_API_DECL unsigned int ev_depth (EV_P) EV_NOEXCEPT; /* #ev_loop enters - #ev_loop leaves */
		660	EV_API_DECL void ev_verify (EV_P) EV_NOEXCEPT; /* abort if loop data corrupted */
		661
		662	EV_API_DECL void ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT; /* sleep at least this time, default 0 */
		663	EV_API_DECL void ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT; /* sleep at least this time, default 0 */
		664
		665	/* advanced stuff for threading etc. support, see docs */
		666	EV_API_DECL void ev_set_userdata (EV_P_ void *data) EV_NOEXCEPT;
		667	EV_API_DECL void *ev_userdata (EV_P) EV_NOEXCEPT;
		668	typedef void (*ev_loop_callback)(EV_P);
		669	EV_API_DECL void ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_NOEXCEPT;
		670	/* C++ doesn't allow the use of the ev_loop_callback typedef here, so we need to spell it out */
		671	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;
		672
		673	EV_API_DECL unsigned int ev_pending_count (EV_P) EV_NOEXCEPT; /* number of pending events, if any */
		674	EV_API_DECL void ev_invoke_pending (EV_P); /* invoke all pending watchers */
		675
		676	/*
		677	* stop/start the timer handling.
		678	*/
		679	EV_API_DECL void ev_suspend (EV_P) EV_NOEXCEPT;
		680	EV_API_DECL void ev_resume (EV_P) EV_NOEXCEPT;
		681	#endif
		682
255	#endif	683	#endif
256		684
257	/* these may evaluate ev multiple times, and the other arguments at most once */	685	/* these may evaluate ev multiple times, and the other arguments at most once */
258	/* either use ev_watcher_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */	686	/* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */
259	#define ev_watcher_init(ev,cb_) do { (ev)->active = (ev)->pending = (ev)->priority = 0; (ev)->cb = (cb_); } while (0)	687	#define ev_init(ev,cb_) do { \
		688	((ev_watcher )(void )(ev))->active = \
		689	((ev_watcher )(void )(ev))->pending = 0; \
		690	ev_set_priority ((ev), 0); \
		691	ev_set_cb ((ev), cb_); \
		692	} while (0)
260		693
261	#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_); } while (0)	694	#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_) \| EV__IOFDSET; } while (0)
262	#define ev_timer_set(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); } while (0)	695	#define ev_timer_set(ev,after_,repeat_) do { ((ev_watcher_time *)(ev))->at = (after_); (ev)->repeat = (repeat_); } while (0)
263	#define ev_periodic_set(ev,at_,interval_) do { (ev)->at = (at_); (ev)->interval = (interval_); } while (0)	696	#define ev_periodic_set(ev,ofs_,ival_,rcb_) do { (ev)->offset = (ofs_); (ev)->interval = (ival_); (ev)->reschedule_cb = (rcb_); } while (0)
264	#define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0)	697	#define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0)
		698	#define ev_child_set(ev,pid_,trace_) do { (ev)->pid = (pid_); (ev)->flags = !!(trace_); } while (0)
		699	#define ev_stat_set(ev,path_,interval_) do { (ev)->path = (path_); (ev)->interval = (interval_); (ev)->wd = -2; } while (0)
265	#define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */	700	#define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */
266	#define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */	701	#define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */
267	#define ev_check_set(ev) /* nop, yes, this is a serious in-joke */	702	#define ev_check_set(ev) /* nop, yes, this is a serious in-joke */
268	#define ev_child_set(ev,pid_) do { (ev)->pid = (pid_); } while (0)	703	#define ev_embed_set(ev,other_) do { (ev)->other = (other_); } while (0)
		704	#define ev_fork_set(ev) /* nop, yes, this is a serious in-joke */
		705	#define ev_cleanup_set(ev) /* nop, yes, this is a serious in-joke */
		706	#define ev_async_set(ev) /* nop, yes, this is a serious in-joke */
269		707
270	#define ev_io_init(ev,cb,fd,events) do { ev_watcher_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)	708	#define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)
271	#define ev_timer_init(ev,cb,after,repeat) do { ev_watcher_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0)	709	#define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0)
272	#define ev_periodic_init(ev,cb,at,interval) do { ev_watcher_init ((ev), (cb)); ev_periodic_set ((ev),(at),(interval)); } while (0)	710	#define ev_periodic_init(ev,cb,ofs,ival,rcb) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(ofs),(ival),(rcb)); } while (0)
273	#define ev_signal_init(ev,cb,signum) do { ev_watcher_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0)	711	#define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0)
		712	#define ev_child_init(ev,cb,pid,trace) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid),(trace)); } while (0)
		713	#define ev_stat_init(ev,cb,path,interval) do { ev_init ((ev), (cb)); ev_stat_set ((ev),(path),(interval)); } while (0)
274	#define ev_idle_init(ev,cb) do { ev_watcher_init ((ev), (cb)); ev_idle_set ((ev)); } while (0)	714	#define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0)
275	#define ev_prepare_init(ev,cb) do { ev_watcher_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0)	715	#define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0)
276	#define ev_check_init(ev,cb) do { ev_watcher_init ((ev), (cb)); ev_check_set ((ev)); } while (0)	716	#define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0)
		717	#define ev_embed_init(ev,cb,other) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(other)); } while (0)
		718	#define ev_fork_init(ev,cb) do { ev_init ((ev), (cb)); ev_fork_set ((ev)); } while (0)
277	#define ev_child_init(ev,cb,pid) do { ev_watcher_init ((ev), (cb)); ev_child_set ((ev),(pid)); } while (0)	719	#define ev_cleanup_init(ev,cb) do { ev_init ((ev), (cb)); ev_cleanup_set ((ev)); } while (0)
		720	#define ev_async_init(ev,cb) do { ev_init ((ev), (cb)); ev_async_set ((ev)); } while (0)
278		721
		722	#define ev_is_pending(ev) (0 + ((ev_watcher )(void )(ev))->pending) /* ro, true when watcher is waiting for callback invocation */
279	#define ev_is_active(ev) (0 + (ev)->active) /* true when the watcher has been started */	723	#define ev_is_active(ev) (0 + ((ev_watcher )(void )(ev))->active) /* ro, true when the watcher has been started */
		724
		725	#define ev_cb_(ev) (ev)->cb /* rw */
		726	#define ev_cb(ev) (memmove (&ev_cb_ (ev), &((ev_watcher *)(ev))->cb, sizeof (ev_cb_ (ev))), (ev)->cb)
		727
		728	#if EV_MINPRI == EV_MAXPRI
		729	# define ev_priority(ev) ((ev), EV_MINPRI)
280	#define ev_set_priority(ev,pri) (ev)->priority = pri	730	# define ev_set_priority(ev,pri) ((ev), (pri))
		731	#else
		732	# define ev_priority(ev) (+(((ev_watcher )(void )(ev))->priority))
		733	# define ev_set_priority(ev,pri) ( (ev_watcher )(void )(ev))->priority = (pri)
		734	#endif
		735
		736	#define ev_periodic_at(ev) (+((ev_watcher_time *)(ev))->at)
		737
		738	#ifndef ev_set_cb
		739	# define ev_set_cb(ev,cb_) (ev_cb_ (ev) = (cb_), memmove (&((ev_watcher *)(ev))->cb, &ev_cb_ (ev), sizeof (ev_cb_ (ev))))
		740	#endif
281		741
282	/* stopping (enabling, adding) a watcher does nothing if it is already running */	742	/* stopping (enabling, adding) a watcher does nothing if it is already running */
283	/* stopping (disabling, deleting) a watcher does nothing unless its already running */	743	/* stopping (disabling, deleting) a watcher does nothing unless it's already running */
284	#if EV_PROTOTYPES	744	#if EV_PROTOTYPES
285	void ev_io_start (EV_P_ struct ev_io *w);
286	void ev_io_stop (EV_P_ struct ev_io *w);
287		745
288	void ev_timer_start (EV_P_ struct ev_timer *w);	746	/* feeds an event into a watcher as if the event actually occurred */
289	void ev_timer_stop (EV_P_ struct ev_timer *w);	747	/* accepts any ev_watcher type */
		748	EV_API_DECL void ev_feed_event (EV_P_ void *w, int revents) EV_NOEXCEPT;
		749	EV_API_DECL void ev_feed_fd_event (EV_P_ int fd, int revents) EV_NOEXCEPT;
		750	#if EV_SIGNAL_ENABLE
		751	EV_API_DECL void ev_feed_signal (int signum) EV_NOEXCEPT;
		752	EV_API_DECL void ev_feed_signal_event (EV_P_ int signum) EV_NOEXCEPT;
		753	#endif
		754	EV_API_DECL void ev_invoke (EV_P_ void *w, int revents);
		755	EV_API_DECL int ev_clear_pending (EV_P_ void *w) EV_NOEXCEPT;
		756
		757	EV_API_DECL void ev_io_start (EV_P_ ev_io *w) EV_NOEXCEPT;
		758	EV_API_DECL void ev_io_stop (EV_P_ ev_io *w) EV_NOEXCEPT;
		759
		760	EV_API_DECL void ev_timer_start (EV_P_ ev_timer *w) EV_NOEXCEPT;
		761	EV_API_DECL void ev_timer_stop (EV_P_ ev_timer *w) EV_NOEXCEPT;
290	void ev_timer_again (EV_P_ struct ev_timer w); / stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */	762	/* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */
		763	EV_API_DECL void ev_timer_again (EV_P_ ev_timer *w) EV_NOEXCEPT;
		764	/* return remaining time */
		765	EV_API_DECL ev_tstamp ev_timer_remaining (EV_P_ ev_timer *w) EV_NOEXCEPT;
291		766
292	void ev_periodic_start (EV_P_ struct ev_periodic *w);	767	#if EV_PERIODIC_ENABLE
293	void ev_periodic_stop (EV_P_ struct ev_periodic *w);	768	EV_API_DECL void ev_periodic_start (EV_P_ ev_periodic *w) EV_NOEXCEPT;
		769	EV_API_DECL void ev_periodic_stop (EV_P_ ev_periodic *w) EV_NOEXCEPT;
		770	EV_API_DECL void ev_periodic_again (EV_P_ ev_periodic *w) EV_NOEXCEPT;
		771	#endif
294		772
295	void ev_signal_start (EV_P_ struct ev_signal *w);	773	/* only supported in the default loop */
296	void ev_signal_stop (EV_P_ struct ev_signal *w);	774	#if EV_SIGNAL_ENABLE
		775	EV_API_DECL void ev_signal_start (EV_P_ ev_signal *w) EV_NOEXCEPT;
		776	EV_API_DECL void ev_signal_stop (EV_P_ ev_signal *w) EV_NOEXCEPT;
		777	#endif
297		778
298	void ev_idle_start (EV_P_ struct ev_idle *w);	779	/* only supported in the default loop */
299	void ev_idle_stop (EV_P_ struct ev_idle *w);	780	# if EV_CHILD_ENABLE
300		781	EV_API_DECL void ev_child_start (EV_P_ ev_child *w) EV_NOEXCEPT;
301	void ev_prepare_start (EV_P_ struct ev_prepare *w);	782	EV_API_DECL void ev_child_stop (EV_P_ ev_child *w) EV_NOEXCEPT;
302	void ev_prepare_stop (EV_P_ struct ev_prepare *w);
303
304	void ev_check_start (EV_P_ struct ev_check *w);
305	void ev_check_stop (EV_P_ struct ev_check *w);
306
307	void ev_child_start (EV_P_ struct ev_child *w);
308	void ev_child_stop (EV_P_ struct ev_child *w);
309	#endif	783	# endif
310		784
311	#ifdef __cplusplus	785	# if EV_STAT_ENABLE
312	}	786	EV_API_DECL void ev_stat_start (EV_P_ ev_stat *w) EV_NOEXCEPT;
		787	EV_API_DECL void ev_stat_stop (EV_P_ ev_stat *w) EV_NOEXCEPT;
		788	EV_API_DECL void ev_stat_stat (EV_P_ ev_stat *w) EV_NOEXCEPT;
313	#endif	789	# endif
314		790
		791	# if EV_IDLE_ENABLE
		792	EV_API_DECL void ev_idle_start (EV_P_ ev_idle *w) EV_NOEXCEPT;
		793	EV_API_DECL void ev_idle_stop (EV_P_ ev_idle *w) EV_NOEXCEPT;
315	#endif	794	# endif
316		795
		796	#if EV_PREPARE_ENABLE
		797	EV_API_DECL void ev_prepare_start (EV_P_ ev_prepare *w) EV_NOEXCEPT;
		798	EV_API_DECL void ev_prepare_stop (EV_P_ ev_prepare *w) EV_NOEXCEPT;
		799	#endif
		800
		801	#if EV_CHECK_ENABLE
		802	EV_API_DECL void ev_check_start (EV_P_ ev_check *w) EV_NOEXCEPT;
		803	EV_API_DECL void ev_check_stop (EV_P_ ev_check *w) EV_NOEXCEPT;
		804	#endif
		805
		806	# if EV_FORK_ENABLE
		807	EV_API_DECL void ev_fork_start (EV_P_ ev_fork *w) EV_NOEXCEPT;
		808	EV_API_DECL void ev_fork_stop (EV_P_ ev_fork *w) EV_NOEXCEPT;
		809	# endif
		810
		811	# if EV_CLEANUP_ENABLE
		812	EV_API_DECL void ev_cleanup_start (EV_P_ ev_cleanup *w) EV_NOEXCEPT;
		813	EV_API_DECL void ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_NOEXCEPT;
		814	# endif
		815
		816	# if EV_EMBED_ENABLE
		817	/* only supported when loop to be embedded is in fact embeddable */
		818	EV_API_DECL void ev_embed_start (EV_P_ ev_embed *w) EV_NOEXCEPT;
		819	EV_API_DECL void ev_embed_stop (EV_P_ ev_embed *w) EV_NOEXCEPT;
		820	EV_API_DECL void ev_embed_sweep (EV_P_ ev_embed *w) EV_NOEXCEPT;
		821	# endif
		822
		823	# if EV_ASYNC_ENABLE
		824	EV_API_DECL void ev_async_start (EV_P_ ev_async *w) EV_NOEXCEPT;
		825	EV_API_DECL void ev_async_stop (EV_P_ ev_async *w) EV_NOEXCEPT;
		826	EV_API_DECL void ev_async_send (EV_P_ ev_async *w) EV_NOEXCEPT;
		827	# endif
		828
		829	#if EV_COMPAT3
		830	#define EVLOOP_NONBLOCK EVRUN_NOWAIT
		831	#define EVLOOP_ONESHOT EVRUN_ONCE
		832	#define EVUNLOOP_CANCEL EVBREAK_CANCEL
		833	#define EVUNLOOP_ONE EVBREAK_ONE
		834	#define EVUNLOOP_ALL EVBREAK_ALL
		835	#if EV_PROTOTYPES
		836	EV_INLINE void ev_loop (EV_P_ int flags) { ev_run (EV_A_ flags); }
		837	EV_INLINE void ev_unloop (EV_P_ int how ) { ev_break (EV_A_ how ); }
		838	EV_INLINE void ev_default_destroy (void) { ev_loop_destroy (EV_DEFAULT); }
		839	EV_INLINE void ev_default_fork (void) { ev_loop_fork (EV_DEFAULT); }
		840	#if EV_FEATURE_API
		841	EV_INLINE unsigned int ev_loop_count (EV_P) { return ev_iteration (EV_A); }
		842	EV_INLINE unsigned int ev_loop_depth (EV_P) { return ev_depth (EV_A); }
		843	EV_INLINE void ev_loop_verify (EV_P) { ev_verify (EV_A); }
		844	#endif
		845	#endif
		846	#else
		847	typedef struct ev_loop ev_loop;
		848	#endif
		849
		850	#endif
		851
		852	EV_CPP(})
		853
		854	#endif
		855

Diff Legend

-–
+Removed lines
-+
+Added lines
-<
+Changed lines
->
+Changed lines

Comparing libev/ev.h (file contents): Revision 1.29 by root, Sun Nov 4 00:24:17 2007 UTC vs. Revision 1.190 by root, Fri Dec 21 06:54:30 2018 UTC

Diff Legend

Comparing libev/ev.h (file contents):
Revision 1.29 by root, Sun Nov 4 00:24:17 2007 UTC vs.
Revision 1.190 by root, Fri Dec 21 06:54:30 2018 UTC