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

Comparing libev/ev.h (file contents):
Revision 1.25 by root, Sat Nov 3 11:44:44 2007 UTC vs.
Revision 1.201 by root, Wed Jan 22 01:50:42 2020 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 */
36		55
37	typedef double ev_tstamp;	56	EV_CPP(extern "C" {)
38		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
39	/* these priorities are inclusive, higher priorities will be called earlier */	81	/* these priorities are inclusive, higher priorities will be invoked earlier */
40	#ifndef EV_MINPRI	82	#ifndef EV_MINPRI
41	# define EV_MINPRI -2	83	# define EV_MINPRI (EV_FEATURE_CONFIG ? -2 : 0)
42	#endif	84	#endif
43	#ifndef EV_MAXPRI	85	#ifndef EV_MAXPRI
44	# define EV_MAXPRI +2	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	/*****************************************************************************/
		153
		154	#ifndef EV_TSTAMP_T
		155	# define EV_TSTAMP_T double
		156	#endif
		157	typedef EV_TSTAMP_T ev_tstamp;
		158
		159	#include <string.h> /* for memmove */
		160
		161	#ifndef EV_ATOMIC_T
		162	# include <signal.h>
		163	# define EV_ATOMIC_T sig_atomic_t volatile
		164	#endif
		165
		166	#if EV_STAT_ENABLE
		167	# ifdef _WIN32
		168	# include <time.h>
		169	# include <sys/types.h>
45	#endif	170	# endif
46		171	# include <sys/stat.h>
47	/* eventmask, revents, events... */
48	#define EV_UNDEF -1 /* guaranteed to be invalid */
49	#define EV_NONE 0x00
50	#define EV_READ 0x01
51	#define EV_WRITE 0x02
52	#define EV_TIMEOUT 0x000100
53	#define EV_PERIODIC 0x000200
54	#define EV_SIGNAL 0x000400
55	#define EV_IDLE 0x000800
56	#define EV_CHECK 0x001000
57	#define EV_PREPARE 0x002000
58	#define EV_CHILD 0x004000
59	#define EV_ERROR 0x800000 /* sent when an error occurs */
60
61	/* can be used to add custom fields to all watchers */
62	#ifndef EV_COMMON
63	# define EV_COMMON void *data
64	#endif	172	#endif
		173
		174	/* support multiple event loops? */
		175	#if EV_MULTIPLICITY
		176	struct ev_loop;
		177	# define EV_P struct ev_loop loop / a loop as sole parameter in a declaration */
		178	# define EV_P_ EV_P, /* a loop as first of multiple parameters */
		179	# define EV_A loop /* a loop as sole argument to a function call */
		180	# define EV_A_ EV_A, /* a loop as first of multiple arguments */
		181	# define EV_DEFAULT_UC ev_default_loop_uc_ () /* the default loop, if initialised, as sole arg */
		182	# define EV_DEFAULT_UC_ EV_DEFAULT_UC, /* the default loop as first of multiple arguments */
		183	# define EV_DEFAULT ev_default_loop (0) /* the default loop as sole arg */
		184	# define EV_DEFAULT_ EV_DEFAULT, /* the default loop as first of multiple arguments */
		185	#else
		186	# define EV_P void
		187	# define EV_P_
		188	# define EV_A
		189	# define EV_A_
		190	# define EV_DEFAULT
		191	# define EV_DEFAULT_
		192	# define EV_DEFAULT_UC
		193	# define EV_DEFAULT_UC_
		194	# undef EV_EMBED_ENABLE
		195	#endif
		196
		197	/* EV_INLINE is used for functions in header files */
		198	#if __STDC_VERSION__ >= 199901L \|\| __GNUC__ >= 3
		199	# define EV_INLINE static inline
		200	#else
		201	# define EV_INLINE static
		202	#endif
		203
		204	#ifdef EV_API_STATIC
		205	# define EV_API_DECL static
		206	#else
		207	# define EV_API_DECL extern
		208	#endif
		209
		210	/* EV_PROTOTYPES can be used to switch of prototype declarations */
65	#ifndef EV_PROTOTYPES	211	#ifndef EV_PROTOTYPES
66	# define EV_PROTOTYPES 1	212	# define EV_PROTOTYPES 1
67	#endif	213	#endif
68		214
		215	/*****************************************************************************/
		216
69	#define EV_VERSION_MAJOR 1	217	#define EV_VERSION_MAJOR 4
70	#define EV_VERSION_MINOR 1	218	#define EV_VERSION_MINOR 31
		219
		220	/* eventmask, revents, events... */
		221	enum {
		222	EV_UNDEF = (int)0xFFFFFFFF, /* guaranteed to be invalid */
		223	EV_NONE = 0x00, /* no events */
		224	EV_READ = 0x01, /* ev_io detected read will not block */
		225	EV_WRITE = 0x02, /* ev_io detected write will not block */
		226	EV__IOFDSET = 0x80, /* internal use only */
		227	EV_IO = EV_READ, /* alias for type-detection */
		228	EV_TIMER = 0x00000100, /* timer timed out */
		229	#if EV_COMPAT3
		230	EV_TIMEOUT = EV_TIMER, /* pre 4.0 API compatibility */
		231	#endif
		232	EV_PERIODIC = 0x00000200, /* periodic timer timed out */
		233	EV_SIGNAL = 0x00000400, /* signal was received */
		234	EV_CHILD = 0x00000800, /* child/pid had status change */
		235	EV_STAT = 0x00001000, /* stat data changed */
		236	EV_IDLE = 0x00002000, /* event loop is idling */
		237	EV_PREPARE = 0x00004000, /* event loop about to poll */
		238	EV_CHECK = 0x00008000, /* event loop finished poll */
		239	EV_EMBED = 0x00010000, /* embedded event loop needs sweep */
		240	EV_FORK = 0x00020000, /* event loop resumed in child */
		241	EV_CLEANUP = 0x00040000, /* event loop resumed in child */
		242	EV_ASYNC = 0x00080000, /* async intra-loop signal */
		243	EV_CUSTOM = 0x01000000, /* for use by user code */
		244	EV_ERROR = (int)0x80000000 /* sent when an error occurs */
		245	};
		246
		247	/* can be used to add custom fields to all watchers, while losing binary compatibility */
		248	#ifndef EV_COMMON
		249	# define EV_COMMON void *data;
		250	#endif
		251
		252	#ifndef EV_CB_DECLARE
		253	# define EV_CB_DECLARE(type) void (cb)(EV_P_ struct type w, int revents);
		254	#endif
		255	#ifndef EV_CB_INVOKE
		256	# define EV_CB_INVOKE(watcher,revents) (watcher)->cb (EV_A_ (watcher), (revents))
		257	#endif
		258
		259	/* not official, do not use */
		260	#define EV_CB(type,name) void name (EV_P_ struct ev_ ## type *w, int revents)
71		261
72	/*	262	/*
73	* struct member types:	263	* struct member types:
74	* private: you can look at them, but not change them, and they might not mean anything to you.	264	* private: you may look at them, but not change them,
		265	* and they might not mean anything to you.
75	* ro: can be read anytime, but only changed when the watcher isn't active	266	* ro: can be read anytime, but only changed when the watcher isn't active.
76	* rw: can be read and modified anytime, even when the watcher is active	267	* rw: can be read and modified anytime, even when the watcher is active.
		268	*
		269	* some internal details that might be helpful for debugging:
		270	*
		271	* active is either 0, which means the watcher is not active,
		272	* or the array index of the watcher (periodics, timers)
		273	* or the array index + 1 (most other watchers)
		274	* or simply 1 for watchers that aren't in some array.
		275	* pending is either 0, in which case the watcher isn't,
		276	* or the array index + 1 in the pendings array.
77	*/	277	*/
		278
		279	#if EV_MINPRI == EV_MAXPRI
		280	# define EV_DECL_PRIORITY
		281	#elif !defined (EV_DECL_PRIORITY)
		282	# define EV_DECL_PRIORITY int priority;
		283	#endif
78		284
79	/* shared by all watchers */	285	/* shared by all watchers */
80	#define EV_WATCHER(type) \	286	#define EV_WATCHER(type) \
81	int active; /* private */ \	287	int active; /* private */ \
82	int pending; /* private */ \	288	int pending; /* private */ \
83	int priority; /* ro */ \	289	EV_DECL_PRIORITY /* private */ \
84	EV_COMMON; /* rw */ \	290	EV_COMMON /* rw */ \
85	void (cb)(struct type , int revents); /* rw / / gets invoked with an eventmask */	291	EV_CB_DECLARE (type) /* private */
86		292
87	#define EV_WATCHER_LIST(type) \	293	#define EV_WATCHER_LIST(type) \
88	EV_WATCHER (type); \	294	EV_WATCHER (type) \
89	struct type next / private */	295	struct ev_watcher_list next; / private */
90		296
91	#define EV_WATCHER_TIME(type) \	297	#define EV_WATCHER_TIME(type) \
92	EV_WATCHER (type); \	298	EV_WATCHER (type) \
93	ev_tstamp at /* private */	299	ev_tstamp at; /* private */
94		300
95	/* base class, nothing to see here unless you subclass */	301	/* base class, nothing to see here unless you subclass */
96	struct ev_watcher {	302	typedef struct ev_watcher
		303	{
97	EV_WATCHER (ev_watcher);	304	EV_WATCHER (ev_watcher)
98	};	305	} ev_watcher;
99		306
100	/* base class, nothing to see here unless you subclass */	307	/* base class, nothing to see here unless you subclass */
101	struct ev_watcher_list {	308	typedef struct ev_watcher_list
		309	{
102	EV_WATCHER_LIST (ev_watcher_list);	310	EV_WATCHER_LIST (ev_watcher_list)
103	};	311	} ev_watcher_list;
104		312
105	/* base class, nothing to see here unless you subclass */	313	/* base class, nothing to see here unless you subclass */
106	struct ev_watcher_time {	314	typedef struct ev_watcher_time
		315	{
107	EV_WATCHER_TIME (ev_watcher_time);	316	EV_WATCHER_TIME (ev_watcher_time)
108	};	317	} ev_watcher_time;
		318
		319	/* invoked when fd is either EV_READable or EV_WRITEable */
		320	/* revent EV_READ, EV_WRITE */
		321	typedef struct ev_io
		322	{
		323	EV_WATCHER_LIST (ev_io)
		324
		325	int fd; /* ro */
		326	int events; /* ro */
		327	} ev_io;
109		328
110	/* invoked after a specific time, repeatable (based on monotonic clock) */	329	/* invoked after a specific time, repeatable (based on monotonic clock) */
111	/* revent EV_TIMEOUT */	330	/* revent EV_TIMEOUT */
112	struct ev_timer	331	typedef struct ev_timer
113	{	332	{
114	EV_WATCHER_TIME (ev_timer);	333	EV_WATCHER_TIME (ev_timer)
115		334
116	ev_tstamp repeat; /* rw */	335	ev_tstamp repeat; /* rw */
117	};	336	} ev_timer;
118		337
119	/* invoked at some specific time, possibly repeating at regular intervals (based on UTC) */	338	/* invoked at some specific time, possibly repeating at regular intervals (based on UTC) */
120	/* revent EV_PERIODIC */	339	/* revent EV_PERIODIC */
121	struct ev_periodic	340	typedef struct ev_periodic
122	{	341	{
123	EV_WATCHER_TIME (ev_periodic);	342	EV_WATCHER_TIME (ev_periodic)
124		343
		344	ev_tstamp offset; /* rw */
125	ev_tstamp interval; /* rw */	345	ev_tstamp interval; /* rw */
126	};	346	ev_tstamp (reschedule_cb)(struct ev_periodic w, ev_tstamp now) EV_NOEXCEPT; /* rw */
127		347	} ev_periodic;
128	/* invoked when fd is either EV_READable or EV_WRITEable */
129	/* revent EV_READ, EV_WRITE */
130	struct ev_io
131	{
132	EV_WATCHER_LIST (ev_io);
133
134	int fd; /* ro */
135	int events; /* ro */
136	};
137		348
138	/* invoked when the given signal has been received */	349	/* invoked when the given signal has been received */
139	/* revent EV_SIGNAL */	350	/* revent EV_SIGNAL */
140	struct ev_signal	351	typedef struct ev_signal
141	{	352	{
142	EV_WATCHER_LIST (ev_signal);	353	EV_WATCHER_LIST (ev_signal)
143		354
144	int signum; /* ro */	355	int signum; /* ro */
145	};	356	} ev_signal;
		357
		358	/* invoked when sigchld is received and waitpid indicates the given pid */
		359	/* revent EV_CHILD */
		360	/* does not support priorities */
		361	typedef struct ev_child
		362	{
		363	EV_WATCHER_LIST (ev_child)
		364
		365	int flags; /* private */
		366	int pid; /* ro */
		367	int rpid; /* rw, holds the received pid */
		368	int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */
		369	} ev_child;
		370
		371	#if EV_STAT_ENABLE
		372	/* st_nlink = 0 means missing file or other error */
		373	# ifdef _WIN32
		374	typedef struct _stati64 ev_statdata;
		375	# else
		376	typedef struct stat ev_statdata;
		377	# endif
		378
		379	/* invoked each time the stat data changes for a given path */
		380	/* revent EV_STAT */
		381	typedef struct ev_stat
		382	{
		383	EV_WATCHER_LIST (ev_stat)
		384
		385	ev_timer timer; /* private */
		386	ev_tstamp interval; /* ro */
		387	const char path; / ro */
		388	ev_statdata prev; /* ro */
		389	ev_statdata attr; /* ro */
		390
		391	int wd; /* wd for inotify, fd for kqueue */
		392	} ev_stat;
		393	#endif
146		394
147	/* invoked when the nothing else needs to be done, keeps the process from blocking */	395	/* invoked when the nothing else needs to be done, keeps the process from blocking */
148	/* revent EV_IDLE */	396	/* revent EV_IDLE */
149	struct ev_idle	397	typedef struct ev_idle
150	{	398	{
151	EV_WATCHER (ev_idle);	399	EV_WATCHER (ev_idle)
152	};	400	} ev_idle;
153		401
154	/* invoked for each run of the mainloop, just before the blocking call */	402	/* invoked for each run of the mainloop, just before the blocking call */
155	/* you can still change events in any way you like */	403	/* you can still change events in any way you like */
156	/* revent EV_PREPARE */	404	/* revent EV_PREPARE */
157	struct ev_prepare	405	typedef struct ev_prepare
158	{	406	{
159	EV_WATCHER (ev_prepare);	407	EV_WATCHER (ev_prepare)
160	};	408	} ev_prepare;
161		409
162	/* invoked for each run of the mainloop, just after the blocking call */	410	/* invoked for each run of the mainloop, just after the blocking call */
163	/* revent EV_CHECK */	411	/* revent EV_CHECK */
164	struct ev_check	412	typedef struct ev_check
165	{	413	{
166	EV_WATCHER (ev_check);	414	EV_WATCHER (ev_check)
		415	} ev_check;
		416
		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
		424	/* is invoked just before the loop gets destroyed */
		425	/* revent EV_CLEANUP */
		426	typedef struct ev_cleanup
		427	{
		428	EV_WATCHER (ev_cleanup)
		429	} ev_cleanup;
		430
		431	#if EV_EMBED_ENABLE
		432	/* used to embed an event loop inside another */
		433	/* the callback gets invoked when the event loop has handled events, and can be 0 */
		434	typedef struct ev_embed
		435	{
		436	EV_WATCHER (ev_embed)
		437
		438	struct ev_loop other; / ro */
		439	#undef EV_IO_ENABLE
		440	#define EV_IO_ENABLE 1
		441	ev_io io; /* private */
		442	#undef EV_PREPARE_ENABLE
		443	#define EV_PREPARE_ENABLE 1
		444	ev_prepare prepare; /* private */
		445	ev_check check; /* unused */
		446	ev_timer timer; /* unused */
		447	ev_periodic periodic; /* unused */
		448	ev_idle idle; /* unused */
		449	ev_fork fork; /* private */
		450	ev_cleanup cleanup; /* unused */
		451	} ev_embed;
		452	#endif
		453
		454	#if EV_ASYNC_ENABLE
		455	/* invoked when somebody calls ev_async_send on the watcher */
		456	/* revent EV_ASYNC */
		457	typedef struct ev_async
		458	{
		459	EV_WATCHER (ev_async)
		460
		461	EV_ATOMIC_T sent; /* private */
		462	} ev_async;
		463
		464	# define ev_async_pending(w) (+(w)->sent)
		465	#endif
		466
		467	/* the presence of this union forces similar struct layout */
		468	union ev_any_watcher
		469	{
		470	struct ev_watcher w;
		471	struct ev_watcher_list wl;
		472
		473	struct ev_io io;
		474	struct ev_timer timer;
		475	struct ev_periodic periodic;
		476	struct ev_signal signal;
		477	struct ev_child child;
		478	#if EV_STAT_ENABLE
		479	struct ev_stat stat;
		480	#endif
		481	#if EV_IDLE_ENABLE
		482	struct ev_idle idle;
		483	#endif
		484	struct ev_prepare prepare;
		485	struct ev_check check;
		486	#if EV_FORK_ENABLE
		487	struct ev_fork fork;
		488	#endif
		489	#if EV_CLEANUP_ENABLE
		490	struct ev_cleanup cleanup;
		491	#endif
		492	#if EV_EMBED_ENABLE
		493	struct ev_embed embed;
		494	#endif
		495	#if EV_ASYNC_ENABLE
		496	struct ev_async async;
		497	#endif
167	};	498	};
168		499
169	/* invoked when sigchld is received and waitpid indicates the givne pid */	500	/* flag bits for ev_default_loop and ev_loop_new */
170	/* revent EV_CHILD */	501	enum {
171	/* does not support priorities */	502	/* the default */
172	struct ev_child	503	EVFLAG_AUTO = 0x00000000U, /* not quite a mask */
173	{	504	/* flag bits */
174	EV_WATCHER_LIST (ev_child);	505	EVFLAG_NOENV = 0x01000000U, /* do NOT consult environment */
175		506	EVFLAG_FORKCHECK = 0x02000000U, /* check for a fork in each iteration */
176	int pid; /* ro */	507	/* debugging/feature disable */
177	int rpid; /* rw, holds the received pid */	508	EVFLAG_NOINOTIFY = 0x00100000U, /* do not attempt to use inotify */
178	int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */	509	#if EV_COMPAT3
		510	EVFLAG_NOSIGFD = 0, /* compatibility to pre-3.9 */
		511	#endif
		512	EVFLAG_SIGNALFD = 0x00200000U, /* attempt to use signalfd */
		513	EVFLAG_NOSIGMASK = 0x00400000U, /* avoid modifying the signal mask */
		514	EVFLAG_NOTIMERFD = 0x00800000U /* avoid creating a timerfd */
179	};	515	};
180		516
181	#define EVMETHOD_AUTO 0 /* consults environment */	517	/* method bits to be ored together */
182	#define EVMETHOD_SELECT 1	518	enum {
183	#define EVMETHOD_POLL 2	519	EVBACKEND_SELECT = 0x00000001U, /* available just about anywhere */
184	#define EVMETHOD_EPOLL 4	520	EVBACKEND_POLL = 0x00000002U, /* !win, !aix, broken on osx */
185	#define EVMETHOD_KQUEUE 8	521	EVBACKEND_EPOLL = 0x00000004U, /* linux */
186	#define EVMETHOD_DEVPOLL 16 /* NYI */	522	EVBACKEND_KQUEUE = 0x00000008U, /* bsd, broken on osx */
187	#define EVMETHOD_PORT 32 /* NYI */	523	EVBACKEND_DEVPOLL = 0x00000010U, /* solaris 8 / / NYI */
188	#define EVMETHOD_ANY ~0 /* any method, do not consult env */	524	EVBACKEND_PORT = 0x00000020U, /* solaris 10 */
		525	EVBACKEND_LINUXAIO = 0x00000040U, /* linux AIO, 4.19+ */
		526	EVBACKEND_IOURING = 0x00000080U, /* linux io_uring, 5.1+ */
		527	EVBACKEND_ALL = 0x000000FFU, /* all known backends */
		528	EVBACKEND_MASK = 0x0000FFFFU /* all future backends */
		529	};
		530
189	#if EV_PROTOTYPES	531	#if EV_PROTOTYPES
190	extern int ev_method;	532	EV_API_DECL int ev_version_major (void) EV_NOEXCEPT;
191	int ev_init (int methods); /* returns ev_method */	533	EV_API_DECL int ev_version_minor (void) EV_NOEXCEPT;
192	int ev_version_major (void);
193	int ev_version_minor (void);
194		534
195	/* these three calls are suitable for plugging into pthread_atfork */	535	EV_API_DECL unsigned int ev_supported_backends (void) EV_NOEXCEPT;
196	void ev_fork_prepare (void);	536	EV_API_DECL unsigned int ev_recommended_backends (void) EV_NOEXCEPT;
197	void ev_fork_parent (void);	537	EV_API_DECL unsigned int ev_embeddable_backends (void) EV_NOEXCEPT;
198	void ev_fork_child (void);
199		538
		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 */
		541
		542	/* Sets the allocation function to use, works like realloc.
		543	* It is used to allocate and free memory.
		544	* If it returns zero when memory needs to be allocated, the library might abort
		545	* or take some potentially destructive action.
		546	* The default is your system realloc function.
		547	*/
		548	EV_API_DECL void ev_set_allocator (void (cb)(void *ptr, long size) EV_NOEXCEPT) EV_NOEXCEPT;
		549
		550	/* set the callback function to call on a
		551	* retryable syscall error
		552	* (such as failed select, poll, epoll_wait)
		553	*/
		554	EV_API_DECL void ev_set_syserr_cb (void (cb)(const char msg) EV_NOEXCEPT) EV_NOEXCEPT;
		555
		556	#if EV_MULTIPLICITY
		557
		558	/* the default loop is the only one that handles signals and child watchers */
		559	/* you can call this as often as you like */
		560	EV_API_DECL struct ev_loop *ev_default_loop (unsigned int flags EV_CPP (= 0)) EV_NOEXCEPT;
		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
		568	{
		569	extern struct ev_loop *ev_default_loop_ptr;
		570
		571	return ev_default_loop_ptr;
		572	}
		573
		574	EV_INLINE int
		575	ev_is_default_loop (EV_P) EV_NOEXCEPT
		576	{
		577	return EV_A == EV_DEFAULT_UC;
		578	}
		579
		580	/* create and destroy alternative loops that don't handle signals */
		581	EV_API_DECL struct ev_loop *ev_loop_new (unsigned int flags EV_CPP (= 0)) EV_NOEXCEPT;
		582
200	extern ev_tstamp ev_now; /* 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 */
201	ev_tstamp ev_time (void);
202	#endif
203		584
204	#define EVLOOP_NONBLOCK 1 /* do not block/wait */	585	#else
205	#define EVLOOP_ONESHOT 2 /* block once only */	586
		587	EV_API_DECL int ev_default_loop (unsigned int flags EV_CPP (= 0)) EV_NOEXCEPT; /* returns true when successful */
		588
		589	EV_API_DECL ev_tstamp ev_rt_now;
		590
		591	EV_INLINE ev_tstamp
		592	ev_now (void) EV_NOEXCEPT
		593	{
		594	return ev_rt_now;
		595	}
		596
		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
		609	/* this needs to be called after fork, to duplicate the loop */
		610	/* when you want to re-use it in the child */
		611	/* you can call it in either the parent or the child */
		612	/* you can actually call it at any time, anywhere :) */
		613	EV_API_DECL void ev_loop_fork (EV_P) EV_NOEXCEPT;
		614
		615	EV_API_DECL unsigned int ev_backend (EV_P) EV_NOEXCEPT; /* backend in use by loop */
		616
		617	EV_API_DECL void ev_now_update (EV_P) EV_NOEXCEPT; /* update event loop time */
		618
		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 */
		638	EVBREAK_ALL = 2 /* unloop all loops */
		639	};
		640
206	#if EV_PROTOTYPES	641	#if EV_PROTOTYPES
207	void ev_loop (int flags);	642	EV_API_DECL int ev_run (EV_P_ int flags EV_CPP (= 0));
208	extern int ev_loop_done; /* 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 */
209		644
		645	/*
		646	* ref/unref can be used to add or remove a refcount on the mainloop. every watcher
		647	* keeps one reference. if you have a long-running watcher you never unregister that
		648	* should not keep ev_loop from running, unref() after starting, and ref() before stopping.
		649	*/
		650	EV_API_DECL void ev_ref (EV_P) EV_NOEXCEPT;
		651	EV_API_DECL void ev_unref (EV_P) EV_NOEXCEPT;
		652
		653	/*
210	/* 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
211	/* if timeout is < 0, do wait indefinitely */	655	* if timeout is < 0, do wait indefinitely
		656	*/
212	void ev_once (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	EV_API_DECL void ev_invoke_pending (EV_P); /* invoke all pending watchers */
		660
		661	# if EV_FEATURE_API
		662	EV_API_DECL unsigned int ev_iteration (EV_P) EV_NOEXCEPT; /* number of loop iterations */
		663	EV_API_DECL unsigned int ev_depth (EV_P) EV_NOEXCEPT; /* #ev_loop enters - #ev_loop leaves */
		664	EV_API_DECL void ev_verify (EV_P) EV_NOEXCEPT; /* abort if loop data corrupted */
		665
		666	EV_API_DECL void ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT; /* sleep at least this time, default 0 */
		667	EV_API_DECL void ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT; /* sleep at least this time, default 0 */
		668
		669	/* advanced stuff for threading etc. support, see docs */
		670	EV_API_DECL void ev_set_userdata (EV_P_ void *data) EV_NOEXCEPT;
		671	EV_API_DECL void *ev_userdata (EV_P) EV_NOEXCEPT;
		672	typedef void (*ev_loop_callback)(EV_P);
		673	EV_API_DECL void ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_NOEXCEPT;
		674	/* C++ doesn't allow the use of the ev_loop_callback typedef here, so we need to spell it out */
		675	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;
		676
		677	EV_API_DECL unsigned int ev_pending_count (EV_P) EV_NOEXCEPT; /* number of pending events, if any */
		678
		679	/*
		680	* stop/start the timer handling.
		681	*/
		682	EV_API_DECL void ev_suspend (EV_P) EV_NOEXCEPT;
		683	EV_API_DECL void ev_resume (EV_P) EV_NOEXCEPT;
		684	#endif
		685
213	#endif	686	#endif
214		687
215	/* these may evaluate ev multiple times, and the other arguments at most once */	688	/* these may evaluate ev multiple times, and the other arguments at most once */
216	/* either use ev_watcher_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */	689	/* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */
217	#define ev_watcher_init(ev,cb_) do { (ev)->active = (ev)->pending = (ev)->priority = 0; (ev)->cb = (cb_); } while (0)	690	#define ev_init(ev,cb_) do { \
		691	((ev_watcher )(void )(ev))->active = \
		692	((ev_watcher )(void )(ev))->pending = 0; \
		693	ev_set_priority ((ev), 0); \
		694	ev_set_cb ((ev), cb_); \
		695	} while (0)
218		696
		697	#define ev_io_modify(ev,events_) do { (ev)->events = (ev)->events & EV__IOMASK \| (events_); } while (0)
219	#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_); } while (0)	698	#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_) \| EV__IOFDSET; } while (0)
220	#define ev_timer_set(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); } while (0)	699	#define ev_timer_set(ev,after_,repeat_) do { ((ev_watcher_time *)(ev))->at = (after_); (ev)->repeat = (repeat_); } while (0)
221	#define ev_periodic_set(ev,at_,interval_) do { (ev)->at = (at_); (ev)->interval = (interval_); } while (0)	700	#define ev_periodic_set(ev,ofs_,ival_,rcb_) do { (ev)->offset = (ofs_); (ev)->interval = (ival_); (ev)->reschedule_cb = (rcb_); } while (0)
222	#define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0)	701	#define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0)
		702	#define ev_child_set(ev,pid_,trace_) do { (ev)->pid = (pid_); (ev)->flags = !!(trace_); } while (0)
		703	#define ev_stat_set(ev,path_,interval_) do { (ev)->path = (path_); (ev)->interval = (interval_); (ev)->wd = -2; } while (0)
223	#define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */	704	#define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */
224	#define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */	705	#define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */
225	#define ev_check_set(ev) /* nop, yes, this is a serious in-joke */	706	#define ev_check_set(ev) /* nop, yes, this is a serious in-joke */
226	#define ev_child_set(ev,pid_) do { (ev)->pid = (pid_); } while (0)	707	#define ev_embed_set(ev,other_) do { (ev)->other = (other_); } while (0)
		708	#define ev_fork_set(ev) /* nop, yes, this is a serious in-joke */
		709	#define ev_cleanup_set(ev) /* nop, yes, this is a serious in-joke */
		710	#define ev_async_set(ev) /* nop, yes, this is a serious in-joke */
227		711
228	#define ev_io_init(ev,cb,fd,events) do { ev_watcher_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)	712	#define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)
229	#define ev_timer_init(ev,cb,after,repeat) do { ev_watcher_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0)	713	#define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0)
230	#define ev_periodic_init(ev,cb,at,interval) do { ev_watcher_init ((ev), (cb)); ev_periodic_set ((ev),(at),(interval)); } while (0)	714	#define ev_periodic_init(ev,cb,ofs,ival,rcb) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(ofs),(ival),(rcb)); } while (0)
231	#define ev_signal_init(ev,cb,signum) do { ev_watcher_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0)	715	#define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0)
		716	#define ev_child_init(ev,cb,pid,trace) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid),(trace)); } while (0)
		717	#define ev_stat_init(ev,cb,path,interval) do { ev_init ((ev), (cb)); ev_stat_set ((ev),(path),(interval)); } while (0)
232	#define ev_idle_init(ev,cb) do { ev_watcher_init ((ev), (cb)); ev_idle_set ((ev)); } while (0)	718	#define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0)
233	#define ev_prepare_init(ev,cb) do { ev_watcher_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0)	719	#define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0)
234	#define ev_check_init(ev,cb) do { ev_watcher_init ((ev), (cb)); ev_check_set ((ev)); } while (0)	720	#define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0)
		721	#define ev_embed_init(ev,cb,other) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(other)); } while (0)
		722	#define ev_fork_init(ev,cb) do { ev_init ((ev), (cb)); ev_fork_set ((ev)); } while (0)
235	#define ev_child_init(ev,cb,pid) do { ev_watcher_init ((ev), (cb)); ev_child_set ((ev),(pid)); } while (0)	723	#define ev_cleanup_init(ev,cb) do { ev_init ((ev), (cb)); ev_cleanup_set ((ev)); } while (0)
		724	#define ev_async_init(ev,cb) do { ev_init ((ev), (cb)); ev_async_set ((ev)); } while (0)
236		725
		726	#define ev_is_pending(ev) (0 + ((ev_watcher )(void )(ev))->pending) /* ro, true when watcher is waiting for callback invocation */
237	#define ev_is_active(ev) (0 + (ev)->active) /* true when the watcher has been started */	727	#define ev_is_active(ev) (0 + ((ev_watcher )(void )(ev))->active) /* ro, true when the watcher has been started */
		728
		729	#define ev_cb_(ev) (ev)->cb /* rw */
		730	#define ev_cb(ev) (memmove (&ev_cb_ (ev), &((ev_watcher *)(ev))->cb, sizeof (ev_cb_ (ev))), (ev)->cb)
		731
		732	#if EV_MINPRI == EV_MAXPRI
		733	# define ev_priority(ev) ((ev), EV_MINPRI)
238	#define ev_set_priority(ev,pri) (ev)->priority = pri	734	# define ev_set_priority(ev,pri) ((ev), (pri))
		735	#else
		736	# define ev_priority(ev) (+(((ev_watcher )(void )(ev))->priority))
		737	# define ev_set_priority(ev,pri) ( (ev_watcher )(void )(ev))->priority = (pri)
		738	#endif
		739
		740	#define ev_periodic_at(ev) (+((ev_watcher_time *)(ev))->at)
		741
		742	#ifndef ev_set_cb
		743	# define ev_set_cb(ev,cb_) (ev_cb_ (ev) = (cb_), memmove (&((ev_watcher *)(ev))->cb, &ev_cb_ (ev), sizeof (ev_cb_ (ev))))
		744	#endif
239		745
240	/* stopping (enabling, adding) a watcher does nothing if it is already running */	746	/* stopping (enabling, adding) a watcher does nothing if it is already running */
241	/* stopping (disabling, deleting) a watcher does nothing unless its already running */	747	/* stopping (disabling, deleting) a watcher does nothing unless it's already running */
242	#if EV_PROTOTYPES	748	#if EV_PROTOTYPES
243	void ev_io_start (struct ev_io *w);
244	void ev_io_stop (struct ev_io *w);
245		749
246	void ev_timer_start (struct ev_timer *w);	750	/* feeds an event into a watcher as if the event actually occurred */
247	void ev_timer_stop (struct ev_timer *w);	751	/* accepts any ev_watcher type */
		752	EV_API_DECL void ev_feed_event (EV_P_ void *w, int revents) EV_NOEXCEPT;
		753	EV_API_DECL void ev_feed_fd_event (EV_P_ int fd, int revents) EV_NOEXCEPT;
		754	#if EV_SIGNAL_ENABLE
		755	EV_API_DECL void ev_feed_signal (int signum) EV_NOEXCEPT;
		756	EV_API_DECL void ev_feed_signal_event (EV_P_ int signum) EV_NOEXCEPT;
		757	#endif
		758	EV_API_DECL void ev_invoke (EV_P_ void *w, int revents);
		759	EV_API_DECL int ev_clear_pending (EV_P_ void *w) EV_NOEXCEPT;
		760
		761	EV_API_DECL void ev_io_start (EV_P_ ev_io *w) EV_NOEXCEPT;
		762	EV_API_DECL void ev_io_stop (EV_P_ ev_io *w) EV_NOEXCEPT;
		763
		764	EV_API_DECL void ev_timer_start (EV_P_ ev_timer *w) EV_NOEXCEPT;
		765	EV_API_DECL void ev_timer_stop (EV_P_ ev_timer *w) EV_NOEXCEPT;
248	void ev_timer_again (struct ev_timer w); / stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */	766	/* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */
		767	EV_API_DECL void ev_timer_again (EV_P_ ev_timer *w) EV_NOEXCEPT;
		768	/* return remaining time */
		769	EV_API_DECL ev_tstamp ev_timer_remaining (EV_P_ ev_timer *w) EV_NOEXCEPT;
249		770
250	void ev_periodic_start (struct ev_periodic *w);	771	#if EV_PERIODIC_ENABLE
251	void ev_periodic_stop (struct ev_periodic *w);	772	EV_API_DECL void ev_periodic_start (EV_P_ ev_periodic *w) EV_NOEXCEPT;
		773	EV_API_DECL void ev_periodic_stop (EV_P_ ev_periodic *w) EV_NOEXCEPT;
		774	EV_API_DECL void ev_periodic_again (EV_P_ ev_periodic *w) EV_NOEXCEPT;
		775	#endif
252		776
253	void ev_signal_start (struct ev_signal *w);	777	/* only supported in the default loop */
254	void ev_signal_stop (struct ev_signal *w);	778	#if EV_SIGNAL_ENABLE
		779	EV_API_DECL void ev_signal_start (EV_P_ ev_signal *w) EV_NOEXCEPT;
		780	EV_API_DECL void ev_signal_stop (EV_P_ ev_signal *w) EV_NOEXCEPT;
		781	#endif
255		782
256	void ev_idle_start (struct ev_idle *w);	783	/* only supported in the default loop */
257	void ev_idle_stop (struct ev_idle *w);	784	# if EV_CHILD_ENABLE
258		785	EV_API_DECL void ev_child_start (EV_P_ ev_child *w) EV_NOEXCEPT;
259	void ev_prepare_start (struct ev_prepare *w);	786	EV_API_DECL void ev_child_stop (EV_P_ ev_child *w) EV_NOEXCEPT;
260	void ev_prepare_stop (struct ev_prepare *w);
261
262	void ev_check_start (struct ev_check *w);
263	void ev_check_stop (struct ev_check *w);
264
265	void ev_child_start (struct ev_child *w);
266	void ev_child_stop (struct ev_child *w);
267	#endif	787	# endif
268		788
269	#ifdef __cplusplus	789	# if EV_STAT_ENABLE
270	}	790	EV_API_DECL void ev_stat_start (EV_P_ ev_stat *w) EV_NOEXCEPT;
		791	EV_API_DECL void ev_stat_stop (EV_P_ ev_stat *w) EV_NOEXCEPT;
		792	EV_API_DECL void ev_stat_stat (EV_P_ ev_stat *w) EV_NOEXCEPT;
271	#endif	793	# endif
272		794
		795	# if EV_IDLE_ENABLE
		796	EV_API_DECL void ev_idle_start (EV_P_ ev_idle *w) EV_NOEXCEPT;
		797	EV_API_DECL void ev_idle_stop (EV_P_ ev_idle *w) EV_NOEXCEPT;
273	#endif	798	# endif
274		799
		800	#if EV_PREPARE_ENABLE
		801	EV_API_DECL void ev_prepare_start (EV_P_ ev_prepare *w) EV_NOEXCEPT;
		802	EV_API_DECL void ev_prepare_stop (EV_P_ ev_prepare *w) EV_NOEXCEPT;
		803	#endif
		804
		805	#if EV_CHECK_ENABLE
		806	EV_API_DECL void ev_check_start (EV_P_ ev_check *w) EV_NOEXCEPT;
		807	EV_API_DECL void ev_check_stop (EV_P_ ev_check *w) EV_NOEXCEPT;
		808	#endif
		809
		810	# if EV_FORK_ENABLE
		811	EV_API_DECL void ev_fork_start (EV_P_ ev_fork *w) EV_NOEXCEPT;
		812	EV_API_DECL void ev_fork_stop (EV_P_ ev_fork *w) EV_NOEXCEPT;
		813	# endif
		814
		815	# if EV_CLEANUP_ENABLE
		816	EV_API_DECL void ev_cleanup_start (EV_P_ ev_cleanup *w) EV_NOEXCEPT;
		817	EV_API_DECL void ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_NOEXCEPT;
		818	# endif
		819
		820	# if EV_EMBED_ENABLE
		821	/* only supported when loop to be embedded is in fact embeddable */
		822	EV_API_DECL void ev_embed_start (EV_P_ ev_embed *w) EV_NOEXCEPT;
		823	EV_API_DECL void ev_embed_stop (EV_P_ ev_embed *w) EV_NOEXCEPT;
		824	EV_API_DECL void ev_embed_sweep (EV_P_ ev_embed *w) EV_NOEXCEPT;
		825	# endif
		826
		827	# if EV_ASYNC_ENABLE
		828	EV_API_DECL void ev_async_start (EV_P_ ev_async *w) EV_NOEXCEPT;
		829	EV_API_DECL void ev_async_stop (EV_P_ ev_async *w) EV_NOEXCEPT;
		830	EV_API_DECL void ev_async_send (EV_P_ ev_async *w) EV_NOEXCEPT;
		831	# endif
		832
		833	#if EV_COMPAT3
		834	#define EVLOOP_NONBLOCK EVRUN_NOWAIT
		835	#define EVLOOP_ONESHOT EVRUN_ONCE
		836	#define EVUNLOOP_CANCEL EVBREAK_CANCEL
		837	#define EVUNLOOP_ONE EVBREAK_ONE
		838	#define EVUNLOOP_ALL EVBREAK_ALL
		839	#if EV_PROTOTYPES
		840	EV_INLINE void ev_loop (EV_P_ int flags) { ev_run (EV_A_ flags); }
		841	EV_INLINE void ev_unloop (EV_P_ int how ) { ev_break (EV_A_ how ); }
		842	EV_INLINE void ev_default_destroy (void) { ev_loop_destroy (EV_DEFAULT); }
		843	EV_INLINE void ev_default_fork (void) { ev_loop_fork (EV_DEFAULT); }
		844	#if EV_FEATURE_API
		845	EV_INLINE unsigned int ev_loop_count (EV_P) { return ev_iteration (EV_A); }
		846	EV_INLINE unsigned int ev_loop_depth (EV_P) { return ev_depth (EV_A); }
		847	EV_INLINE void ev_loop_verify (EV_P) { ev_verify (EV_A); }
		848	#endif
		849	#endif
		850	#else
		851	typedef struct ev_loop ev_loop;
		852	#endif
		853
		854	#endif
		855
		856	EV_CPP(})
		857
		858	#endif
		859

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Comparing libev/ev.h (file contents): Revision 1.25 by root, Sat Nov 3 11:44:44 2007 UTC vs. Revision 1.201 by root, Wed Jan 22 01:50:42 2020 UTC

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Comparing libev/ev.h (file contents):
Revision 1.25 by root, Sat Nov 3 11:44:44 2007 UTC vs.
Revision 1.201 by root, Wed Jan 22 01:50:42 2020 UTC