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

Comparing libev/ev.h (file contents):
Revision 1.111 by root, Mon Mar 16 21:15:06 2009 UTC vs.
Revision 1.200 by root, Tue Dec 24 13:52:58 2019 UTC

…		…
1	/*	1	/*
2	* libev native API header	2	* libev native API header
3	*	3	*
4	* Copyright (c) 2007,2008,2009 Marc Alexander Lehmann <libev@schmorp.de>	4	* Copyright (c) 2007-2019 Marc Alexander Lehmann <libev@schmorp.de>
5	* All rights reserved.	5	* All rights reserved.
6	*	6	*
7	* Redistribution and use in source and binary forms, with or without modifica-	7	* Redistribution and use in source and binary forms, with or without modifica-
8	* tion, are permitted provided that the following conditions are met:	8	* tion, are permitted provided that the following conditions are met:
9	*	9	*
10	* 1. Redistributions of source code must retain the above copyright notice,	10	* 1. Redistributions of source code must retain the above copyright notice,
11	* this list of conditions and the following disclaimer.	11	* this list of conditions and the following disclaimer.
12	*	12	*
13	* 2. Redistributions in binary form must reproduce the above copyright	13	* 2. Redistributions in binary form must reproduce the above copyright
14	* notice, this list of conditions and the following disclaimer in the	14	* notice, this list of conditions and the following disclaimer in the
15	* documentation and/or other materials provided with the distribution.	15	* documentation and/or other materials provided with the distribution.
16	*	16	*
17	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED	17	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
18	* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER-	18	* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER-
19	* CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO	19	* CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
20	* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE-	20	* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE-
21	* CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,	21	* CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
35	* and other provisions required by the GPL. If you do not delete the	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	36	* provisions above, a recipient may use your version of this file under
37	* either the BSD or the GPL.	37	* either the BSD or the GPL.
38	*/	38	*/
39		39
40	#ifndef EV_H__	40	#ifndef EV_H_
41	#define EV_H__	41	#define EV_H_
42		42
43	#ifdef __cplusplus	43	#ifdef __cplusplus
44	extern "C" {	44	# define EV_CPP(x) x
		45	# if __cplusplus >= 201103L
		46	# define EV_NOEXCEPT noexcept
		47	# else
		48	# define EV_NOEXCEPT
45	#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 */
46		55
47	typedef double ev_tstamp;	56	EV_CPP(extern "C" {)
48		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
49	/* these priorities are inclusive, higher priorities will be called earlier */	81	/* these priorities are inclusive, higher priorities will be invoked earlier */
50	#ifndef EV_MINPRI	82	#ifndef EV_MINPRI
51	# define EV_MINPRI -2	83	# define EV_MINPRI (EV_FEATURE_CONFIG ? -2 : 0)
52	#endif	84	#endif
53	#ifndef EV_MAXPRI	85	#ifndef EV_MAXPRI
54	# define EV_MAXPRI +2	86	# define EV_MAXPRI (EV_FEATURE_CONFIG ? +2 : 0)
55	#endif	87	#endif
56		88
57	#ifndef EV_MULTIPLICITY	89	#ifndef EV_MULTIPLICITY
58	# define EV_MULTIPLICITY 1	90	# define EV_MULTIPLICITY EV_FEATURE_CONFIG
59	#endif	91	#endif
60		92
61	#ifndef EV_PERIODIC_ENABLE	93	#ifndef EV_PERIODIC_ENABLE
62	# define EV_PERIODIC_ENABLE 1	94	# define EV_PERIODIC_ENABLE EV_FEATURE_WATCHERS
63	#endif	95	#endif
64		96
65	#ifndef EV_STAT_ENABLE	97	#ifndef EV_STAT_ENABLE
66	# define EV_STAT_ENABLE 1	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
67	#endif	107	#endif
68		108
69	#ifndef EV_IDLE_ENABLE	109	#ifndef EV_IDLE_ENABLE
70	# define EV_IDLE_ENABLE 1	110	# define EV_IDLE_ENABLE EV_FEATURE_WATCHERS
71	#endif	111	#endif
72		112
73	#ifndef EV_FORK_ENABLE	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
74	# define EV_FORK_ENABLE 1	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
75	#endif	135	#endif
76		136
77	#ifndef EV_EMBED_ENABLE	137	#ifndef EV_EMBED_ENABLE
78	# define EV_EMBED_ENABLE 1	138	# define EV_EMBED_ENABLE EV_FEATURE_WATCHERS
79	#endif	139	#endif
80		140
81	#ifndef EV_ASYNC_ENABLE	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
82	# define EV_ASYNC_ENABLE 1	149	# define EV_SIGNAL_ENABLE 1
83	#endif	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 */
84		160
85	#ifndef EV_ATOMIC_T	161	#ifndef EV_ATOMIC_T
86	# include <signal.h>	162	# include <signal.h>
87	# define EV_ATOMIC_T sig_atomic_t volatile	163	# define EV_ATOMIC_T sig_atomic_t volatile
88	#endif	164	#endif
89
90	/*****************************************************************************/
91		165
92	#if EV_STAT_ENABLE	166	#if EV_STAT_ENABLE
93	# ifdef _WIN32	167	# ifdef _WIN32
94	# include <time.h>	168	# include <time.h>
95	# include <sys/types.h>	169	# include <sys/types.h>
…		…
98	#endif	172	#endif
99		173
100	/* support multiple event loops? */	174	/* support multiple event loops? */
101	#if EV_MULTIPLICITY	175	#if EV_MULTIPLICITY
102	struct ev_loop;	176	struct ev_loop;
103	# define EV_P struct ev_loop *loop	177	# define EV_P struct ev_loop loop / a loop as sole parameter in a declaration */
104	# define EV_P_ EV_P,	178	# define EV_P_ EV_P, /* a loop as first of multiple parameters */
105	# define EV_A loop	179	# define EV_A loop /* a loop as sole argument to a function call */
106	# define EV_A_ EV_A,	180	# define EV_A_ EV_A, /* a loop as first of multiple arguments */
107	# define EV_DEFAULT_UC ev_default_loop_uc ()	181	# define EV_DEFAULT_UC ev_default_loop_uc_ () /* the default loop, if initialised, as sole arg */
108	# define EV_DEFAULT_UC_ EV_DEFAULT_UC,	182	# define EV_DEFAULT_UC_ EV_DEFAULT_UC, /* the default loop as first of multiple arguments */
109	# define EV_DEFAULT ev_default_loop (0)	183	# define EV_DEFAULT ev_default_loop (0) /* the default loop as sole arg */
110	# define EV_DEFAULT_ EV_DEFAULT,	184	# define EV_DEFAULT_ EV_DEFAULT, /* the default loop as first of multiple arguments */
111	#else	185	#else
112	# define EV_P void	186	# define EV_P void
113	# define EV_P_	187	# define EV_P_
114	# define EV_A	188	# define EV_A
115	# define EV_A_	189	# define EV_A_
…		…
118	# define EV_DEFAULT_UC	192	# define EV_DEFAULT_UC
119	# define EV_DEFAULT_UC_	193	# define EV_DEFAULT_UC_
120	# undef EV_EMBED_ENABLE	194	# undef EV_EMBED_ENABLE
121	#endif	195	#endif
122		196
		197	/* EV_INLINE is used for functions in header files */
123	#if __STDC_VERSION__ >= 199901L \|\| __GNUC__ >= 3	198	#if __STDC_VERSION__ >= 199901L \|\| __GNUC__ >= 3
124	# define EV_INLINE static inline	199	# define EV_INLINE static inline
125	#else	200	#else
126	# define EV_INLINE static	201	# define EV_INLINE static
127	#endif	202	#endif
128		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 */
		211	#ifndef EV_PROTOTYPES
		212	# define EV_PROTOTYPES 1
		213	#endif
		214
129	/*****************************************************************************/	215	/*****************************************************************************/
130		216
		217	#define EV_VERSION_MAJOR 4
		218	#define EV_VERSION_MINOR 31
		219
131	/* eventmask, revents, events... */	220	/* eventmask, revents, events... */
132	#define EV_UNDEF -1 /* guaranteed to be invalid */	221	enum {
		222	EV_UNDEF = (int)0xFFFFFFFF, /* guaranteed to be invalid */
133	#define EV_NONE 0x00 /* no events */	223	EV_NONE = 0x00, /* no events */
134	#define EV_READ 0x01 /* ev_io detected read will not block */	224	EV_READ = 0x01, /* ev_io detected read will not block */
135	#define EV_WRITE 0x02 /* ev_io detected write will not block */	225	EV_WRITE = 0x02, /* ev_io detected write will not block */
136	#define EV__IOFDSET 0x80 /* internal use only */	226	EV__IOFDSET = 0x80, /* internal use only */
137	#define EV_IO EV_READ /* alias for type-detection */	227	EV_IO = EV_READ, /* alias for type-detection */
138	#define EV_TIMEOUT 0x00000100 /* timer timed out */	228	EV_TIMER = 0x00000100, /* timer timed out */
		229	#if EV_COMPAT3
		230	EV_TIMEOUT = EV_TIMER, /* pre 4.0 API compatibility */
		231	#endif
139	#define EV_PERIODIC 0x00000200 /* periodic timer timed out */	232	EV_PERIODIC = 0x00000200, /* periodic timer timed out */
140	#define EV_SIGNAL 0x00000400 /* signal was received */	233	EV_SIGNAL = 0x00000400, /* signal was received */
141	#define EV_CHILD 0x00000800 /* child/pid had status change */	234	EV_CHILD = 0x00000800, /* child/pid had status change */
142	#define EV_STAT 0x00001000 /* stat data changed */	235	EV_STAT = 0x00001000, /* stat data changed */
143	#define EV_IDLE 0x00002000 /* event loop is idling */	236	EV_IDLE = 0x00002000, /* event loop is idling */
144	#define EV_PREPARE 0x00004000 /* event loop about to poll */	237	EV_PREPARE = 0x00004000, /* event loop about to poll */
145	#define EV_CHECK 0x00008000 /* event loop finished poll */	238	EV_CHECK = 0x00008000, /* event loop finished poll */
146	#define EV_EMBED 0x00010000 /* embedded event loop needs sweep */	239	EV_EMBED = 0x00010000, /* embedded event loop needs sweep */
147	#define EV_FORK 0x00020000 /* event loop resumed in child */	240	EV_FORK = 0x00020000, /* event loop resumed in child */
		241	EV_CLEANUP = 0x00040000, /* event loop resumed in child */
148	#define EV_ASYNC 0x00040000 /* async intra-loop signal */	242	EV_ASYNC = 0x00080000, /* async intra-loop signal */
		243	EV_CUSTOM = 0x01000000, /* for use by user code */
149	#define EV_ERROR 0x80000000 /* sent when an error occurs */	244	EV_ERROR = (int)0x80000000 /* sent when an error occurs */
		245	};
150		246
151	/* can be used to add custom fields to all watchers, while losing binary compatibility */	247	/* can be used to add custom fields to all watchers, while losing binary compatibility */
152	#ifndef EV_COMMON	248	#ifndef EV_COMMON
153	# define EV_COMMON void *data;	249	# define EV_COMMON void *data;
154	#endif	250	#endif
155	#ifndef EV_PROTOTYPES
156	# define EV_PROTOTYPES 1
157	#endif
158
159	#define EV_VERSION_MAJOR 3
160	#define EV_VERSION_MINOR 0
161		251
162	#ifndef EV_CB_DECLARE	252	#ifndef EV_CB_DECLARE
163	# define EV_CB_DECLARE(type) void (cb)(EV_P_ struct type w, int revents);	253	# define EV_CB_DECLARE(type) void (cb)(EV_P_ struct type w, int revents);
164	#endif	254	#endif
165	#ifndef EV_CB_INVOKE	255	#ifndef EV_CB_INVOKE
166	# define EV_CB_INVOKE(watcher,revents) (watcher)->cb (EV_A_ (watcher), (revents))	256	# define EV_CB_INVOKE(watcher,revents) (watcher)->cb (EV_A_ (watcher), (revents))
167	#endif	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)
168		261
169	/*	262	/*
170	* struct member types:	263	* struct member types:
171	* private: you may look at them, but not change them,	264	* private: you may look at them, but not change them,
172	* and they might not mean anything to you.	265	* and they might not mean anything to you.
…		…
181	* or simply 1 for watchers that aren't in some array.	274	* or simply 1 for watchers that aren't in some array.
182	* pending is either 0, in which case the watcher isn't,	275	* pending is either 0, in which case the watcher isn't,
183	* or the array index + 1 in the pendings array.	276	* or the array index + 1 in the pendings array.
184	*/	277	*/
185		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
		284
186	/* shared by all watchers */	285	/* shared by all watchers */
187	#define EV_WATCHER(type) \	286	#define EV_WATCHER(type) \
188	int active; /* private */ \	287	int active; /* private */ \
189	int pending; /* private */ \	288	int pending; /* private */ \
190	int priority; /* private */ \	289	EV_DECL_PRIORITY /* private */ \
191	EV_COMMON /* rw */ \	290	EV_COMMON /* rw */ \
192	EV_CB_DECLARE (type) /* private */	291	EV_CB_DECLARE (type) /* private */
193		292
194	#define EV_WATCHER_LIST(type) \	293	#define EV_WATCHER_LIST(type) \
195	EV_WATCHER (type) \	294	EV_WATCHER (type) \
…		…
242	{	341	{
243	EV_WATCHER_TIME (ev_periodic)	342	EV_WATCHER_TIME (ev_periodic)
244		343
245	ev_tstamp offset; /* rw */	344	ev_tstamp offset; /* rw */
246	ev_tstamp interval; /* rw */	345	ev_tstamp interval; /* rw */
247	ev_tstamp (reschedule_cb)(struct ev_periodic w, ev_tstamp now); /* rw */	346	ev_tstamp (reschedule_cb)(struct ev_periodic w, ev_tstamp now) EV_NOEXCEPT; /* rw */
248	} ev_periodic;	347	} ev_periodic;
249		348
250	/* invoked when the given signal has been received */	349	/* invoked when the given signal has been received */
251	/* revent EV_SIGNAL */	350	/* revent EV_SIGNAL */
252	typedef struct ev_signal	351	typedef struct ev_signal
…		…
291		390
292	int wd; /* wd for inotify, fd for kqueue */	391	int wd; /* wd for inotify, fd for kqueue */
293	} ev_stat;	392	} ev_stat;
294	#endif	393	#endif
295		394
296	#if EV_IDLE_ENABLE
297	/* 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 */
298	/* revent EV_IDLE */	396	/* revent EV_IDLE */
299	typedef struct ev_idle	397	typedef struct ev_idle
300	{	398	{
301	EV_WATCHER (ev_idle)	399	EV_WATCHER (ev_idle)
302	} ev_idle;	400	} ev_idle;
303	#endif
304		401
305	/* 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 */
306	/* you can still change events in any way you like */	403	/* you can still change events in any way you like */
307	/* revent EV_PREPARE */	404	/* revent EV_PREPARE */
308	typedef struct ev_prepare	405	typedef struct ev_prepare
…		…
315	typedef struct ev_check	412	typedef struct ev_check
316	{	413	{
317	EV_WATCHER (ev_check)	414	EV_WATCHER (ev_check)
318	} ev_check;	415	} ev_check;
319		416
320	#if EV_FORK_ENABLE
321	/* the callback gets invoked before check in the child process when a fork was detected */	417	/* the callback gets invoked before check in the child process when a fork was detected */
		418	/* revent EV_FORK */
322	typedef struct ev_fork	419	typedef struct ev_fork
323	{	420	{
324	EV_WATCHER (ev_fork)	421	EV_WATCHER (ev_fork)
325	} ev_fork;	422	} ev_fork;
326	#endif	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;
327		430
328	#if EV_EMBED_ENABLE	431	#if EV_EMBED_ENABLE
329	/* used to embed an event loop inside another */	432	/* used to embed an event loop inside another */
330	/* the callback gets invoked when the event loop has handled events, and can be 0 */	433	/* the callback gets invoked when the event loop has handled events, and can be 0 */
331	typedef struct ev_embed	434	typedef struct ev_embed
332	{	435	{
333	EV_WATCHER (ev_embed)	436	EV_WATCHER (ev_embed)
334		437
335	struct ev_loop other; / ro */	438	struct ev_loop other; / ro */
		439	#undef EV_IO_ENABLE
		440	#define EV_IO_ENABLE 1
336	ev_io io; /* private */	441	ev_io io; /* private */
		442	#undef EV_PREPARE_ENABLE
		443	#define EV_PREPARE_ENABLE 1
337	ev_prepare prepare; /* private */	444	ev_prepare prepare; /* private */
338	ev_check check; /* unused */	445	ev_check check; /* unused */
339	ev_timer timer; /* unused */	446	ev_timer timer; /* unused */
340	ev_periodic periodic; /* unused */	447	ev_periodic periodic; /* unused */
341	ev_idle idle; /* unused */	448	ev_idle idle; /* unused */
342	ev_fork fork; /* private */	449	ev_fork fork; /* private */
		450	ev_cleanup cleanup; /* unused */
343	} ev_embed;	451	} ev_embed;
344	#endif	452	#endif
345		453
346	#if EV_ASYNC_ENABLE	454	#if EV_ASYNC_ENABLE
347	/* invoked when somebody calls ev_async_send on the watcher */	455	/* invoked when somebody calls ev_async_send on the watcher */
…		…
351	EV_WATCHER (ev_async)	459	EV_WATCHER (ev_async)
352		460
353	EV_ATOMIC_T sent; /* private */	461	EV_ATOMIC_T sent; /* private */
354	} ev_async;	462	} ev_async;
355		463
356	# define ev_async_pending(w) ((w)->sent + 0)	464	# define ev_async_pending(w) (+(w)->sent)
357	#endif	465	#endif
358		466
359	/* the presence of this union forces similar struct layout */	467	/* the presence of this union forces similar struct layout */
360	union ev_any_watcher	468	union ev_any_watcher
361	{	469	{
…		…
376	struct ev_prepare prepare;	484	struct ev_prepare prepare;
377	struct ev_check check;	485	struct ev_check check;
378	#if EV_FORK_ENABLE	486	#if EV_FORK_ENABLE
379	struct ev_fork fork;	487	struct ev_fork fork;
380	#endif	488	#endif
		489	#if EV_CLEANUP_ENABLE
		490	struct ev_cleanup cleanup;
		491	#endif
381	#if EV_EMBED_ENABLE	492	#if EV_EMBED_ENABLE
382	struct ev_embed embed;	493	struct ev_embed embed;
383	#endif	494	#endif
384	#if EV_ASYNC_ENABLE	495	#if EV_ASYNC_ENABLE
385	struct ev_async async;	496	struct ev_async async;
386	#endif	497	#endif
387	};	498	};
388		499
389	/* bits for ev_default_loop and ev_loop_new */	500	/* flag bits for ev_default_loop and ev_loop_new */
		501	enum {
390	/* the default */	502	/* the default */
391	#define EVFLAG_AUTO 0x00000000U /* not quite a mask */	503	EVFLAG_AUTO = 0x00000000U, /* not quite a mask */
392	/* flag bits */	504	/* flag bits */
393	#define EVFLAG_NOENV 0x01000000U /* do NOT consult environment */	505	EVFLAG_NOENV = 0x01000000U, /* do NOT consult environment */
394	#define EVFLAG_FORKCHECK 0x02000000U /* check for a fork in each iteration */	506	EVFLAG_FORKCHECK = 0x02000000U, /* check for a fork in each iteration */
		507	/* debugging/feature disable */
		508	EVFLAG_NOINOTIFY = 0x00100000U, /* do not attempt to use inotify */
		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 */
		515	};
		516
395	/* method bits to be ored together */	517	/* method bits to be ored together */
		518	enum {
396	#define EVBACKEND_SELECT 0x00000001U /* about anywhere */	519	EVBACKEND_SELECT = 0x00000001U, /* available just about anywhere */
397	#define EVBACKEND_POLL 0x00000002U /* !win */	520	EVBACKEND_POLL = 0x00000002U, /* !win, !aix, broken on osx */
398	#define EVBACKEND_EPOLL 0x00000004U /* linux */	521	EVBACKEND_EPOLL = 0x00000004U, /* linux */
399	#define EVBACKEND_KQUEUE 0x00000008U /* bsd */	522	EVBACKEND_KQUEUE = 0x00000008U, /* bsd, broken on osx */
400	#define EVBACKEND_DEVPOLL 0x00000010U /* solaris 8 / / NYI */	523	EVBACKEND_DEVPOLL = 0x00000010U, /* solaris 8 / / NYI */
401	#define EVBACKEND_PORT 0x00000020U /* solaris 10 */	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	};
402		530
403	#if EV_PROTOTYPES	531	#if EV_PROTOTYPES
404	int ev_version_major (void);	532	EV_API_DECL int ev_version_major (void) EV_NOEXCEPT;
405	int ev_version_minor (void);	533	EV_API_DECL int ev_version_minor (void) EV_NOEXCEPT;
406		534
407	unsigned int ev_supported_backends (void);	535	EV_API_DECL unsigned int ev_supported_backends (void) EV_NOEXCEPT;
408	unsigned int ev_recommended_backends (void);	536	EV_API_DECL unsigned int ev_recommended_backends (void) EV_NOEXCEPT;
409	unsigned int ev_embeddable_backends (void);	537	EV_API_DECL unsigned int ev_embeddable_backends (void) EV_NOEXCEPT;
410		538
411	ev_tstamp ev_time (void);	539	EV_API_DECL ev_tstamp ev_time (void) EV_NOEXCEPT;
412	void ev_sleep (ev_tstamp delay); /* sleep for a while */	540	EV_API_DECL void ev_sleep (ev_tstamp delay) EV_NOEXCEPT; /* sleep for a while */
413		541
414	/* Sets the allocation function to use, works like realloc.	542	/* Sets the allocation function to use, works like realloc.
415	* It is used to allocate and free memory.	543	* It is used to allocate and free memory.
416	* 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
417	* or take some potentially destructive action.	545	* or take some potentially destructive action.
418	* The default is your system realloc function.	546	* The default is your system realloc function.
419	*/	547	*/
420	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;
421		549
422	/* set the callback function to call on a	550	/* set the callback function to call on a
423	* retryable syscall error	551	* retryable syscall error
424	* (such as failed select, poll, epoll_wait)	552	* (such as failed select, poll, epoll_wait)
425	*/	553	*/
426	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;
427		555
428	#if EV_MULTIPLICITY	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
429	EV_INLINE struct ev_loop *	566	EV_INLINE struct ev_loop *
430	ev_default_loop_uc (void)	567	ev_default_loop_uc_ (void) EV_NOEXCEPT
431	{	568	{
432	extern struct ev_loop *ev_default_loop_ptr;	569	extern struct ev_loop *ev_default_loop_ptr;
433		570
434	return ev_default_loop_ptr;	571	return ev_default_loop_ptr;
435	}	572	}
436		573
437	/* the default loop is the only one that handles signals and child watchers */	574	EV_INLINE int
438	/* you can call this as often as you like */	575	ev_is_default_loop (EV_P) EV_NOEXCEPT
439	EV_INLINE struct ev_loop *
440	ev_default_loop (unsigned int flags)
441	{	576	{
442	struct ev_loop *loop = ev_default_loop_uc ();	577	return EV_A == EV_DEFAULT_UC;
443
444	if (!loop)
445	{
446	extern struct ev_loop *ev_default_loop_init (unsigned int flags);
447
448	loop = ev_default_loop_init (flags);
449	}
450
451	return loop;
452	}	578	}
453		579
454	/* create and destroy alternative loops that don't handle signals */	580	/* create and destroy alternative loops that don't handle signals */
455	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;
456	void ev_loop_destroy (EV_P);
457	void ev_loop_fork (EV_P);
458	void ev_loop_verify (EV_P);
459		582
460	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 */
461	void ev_now_update (EV_P);
462		584
463	#else	585	#else
464		586
465	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 */
		588
		589	EV_API_DECL ev_tstamp ev_rt_now;
466		590
467	EV_INLINE ev_tstamp	591	EV_INLINE ev_tstamp
468	ev_now (void)	592	ev_now (void) EV_NOEXCEPT
469	{	593	{
470	extern ev_tstamp ev_rt_now;
471
472	return ev_rt_now;	594	return ev_rt_now;
473	}	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
474	#endif /* multiplicity */	604	#endif /* multiplicity */
475		605
476	EV_INLINE int	606	/* destroy event loops, also works for the default loop */
477	ev_is_default_loop (EV_P)	607	EV_API_DECL void ev_loop_destroy (EV_P);
478	{
479	#if EV_MULTIPLICITY
480	extern struct ev_loop *ev_default_loop_ptr;
481		608
482	return !!(EV_A == ev_default_loop_ptr);
483	#else
484	return 1;
485	#endif
486	}
487
488	void ev_default_destroy (void); /* destroy the default loop */
489	/* this needs to be called after fork, to duplicate the default loop */	609	/* this needs to be called after fork, to duplicate the loop */
490	/* 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 */
491	/* you can call it in either the parent or the child */	611	/* you can call it in either the parent or the child */
492	/* you can actually call it at any time, anywhere :) */	612	/* you can actually call it at any time, anywhere :) */
493	void ev_default_fork (void);	613	EV_API_DECL void ev_loop_fork (EV_P) EV_NOEXCEPT;
494		614
495	unsigned int ev_backend (EV_P); /* backend in use by loop */	615	EV_API_DECL unsigned int ev_backend (EV_P) EV_NOEXCEPT; /* backend in use by loop */
496	unsigned int ev_loop_count (EV_P); /* number of loop iterations */	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
497	#endif /* prototypes */	626	#endif /* prototypes */
498		627
499	#define EVLOOP_NONBLOCK 1 /* do not block/wait */	628	/* ev_run flags values */
500	#define EVLOOP_ONESHOT 2 /* block once only */	629	enum {
501	#define EVUNLOOP_CANCEL 0 /* undo unloop */	630	EVRUN_NOWAIT = 1, /* do not block/wait */
502	#define EVUNLOOP_ONE 1 /* unloop once */	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 */
503	#define EVUNLOOP_ALL 2 /* unloop all loops */	638	EVBREAK_ALL = 2 /* unloop all loops */
		639	};
504		640
505	#if EV_PROTOTYPES	641	#if EV_PROTOTYPES
506	void ev_loop (EV_P_ int flags);	642	EV_API_DECL int ev_run (EV_P_ int flags EV_CPP (= 0));
507	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 */
508
509	void ev_set_io_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */
510	void ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */
511		644
512	/*	645	/*
513	* 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
514	* 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
515	* 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.
516	*/	649	*/
517	void ev_ref (EV_P);	650	EV_API_DECL void ev_ref (EV_P) EV_NOEXCEPT;
518	void ev_unref (EV_P);	651	EV_API_DECL void ev_unref (EV_P) EV_NOEXCEPT;
519		652
		653	/*
520	/* convenience function, wait for a single event, without registering an event watcher */	654	* convenience function, wait for a single event, without registering an event watcher
521	/* if timeout is < 0, do wait indefinitely */	655	* if timeout is < 0, do wait indefinitely
		656	*/
522	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	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
523	#endif	686	#endif
524		687
525	/* 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 */
526	/* either use ev_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 */
527	#define ev_init(ev,cb_) do { \	690	#define ev_init(ev,cb_) do { \
528	((ev_watcher )(void )(ev))->active = \	691	((ev_watcher )(void )(ev))->active = \
529	((ev_watcher )(void )(ev))->pending = \	692	((ev_watcher )(void )(ev))->pending = 0; \
530	((ev_watcher )(void )(ev))->priority = 0; \	693	ev_set_priority ((ev), 0); \
531	ev_set_cb ((ev), cb_); \	694	ev_set_cb ((ev), cb_); \
532	} while (0)	695	} while (0)
533		696
534	#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_) \| EV__IOFDSET; } while (0)	697	#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_) \| EV__IOFDSET; } while (0)
535	#define ev_timer_set(ev,after_,repeat_) do { ((ev_watcher_time *)(ev))->at = (after_); (ev)->repeat = (repeat_); } while (0)	698	#define ev_timer_set(ev,after_,repeat_) do { ((ev_watcher_time *)(ev))->at = (after_); (ev)->repeat = (repeat_); } while (0)
…		…
540	#define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */	703	#define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */
541	#define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */	704	#define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */
542	#define ev_check_set(ev) /* nop, yes, this is a serious in-joke */	705	#define ev_check_set(ev) /* nop, yes, this is a serious in-joke */
543	#define ev_embed_set(ev,other_) do { (ev)->other = (other_); } while (0)	706	#define ev_embed_set(ev,other_) do { (ev)->other = (other_); } while (0)
544	#define ev_fork_set(ev) /* nop, yes, this is a serious in-joke */	707	#define ev_fork_set(ev) /* nop, yes, this is a serious in-joke */
545	#define ev_async_set(ev) do { (ev)->sent = 0; } while (0)	708	#define ev_cleanup_set(ev) /* nop, yes, this is a serious in-joke */
		709	#define ev_async_set(ev) /* nop, yes, this is a serious in-joke */
546		710
547	#define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)	711	#define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)
548	#define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0)	712	#define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0)
549	#define ev_periodic_init(ev,cb,ofs,ival,rcb) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(ofs),(ival),(rcb)); } while (0)	713	#define ev_periodic_init(ev,cb,ofs,ival,rcb) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(ofs),(ival),(rcb)); } while (0)
550	#define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0)	714	#define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0)
…		…
553	#define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0)	717	#define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0)
554	#define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0)	718	#define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0)
555	#define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0)	719	#define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0)
556	#define ev_embed_init(ev,cb,other) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(other)); } while (0)	720	#define ev_embed_init(ev,cb,other) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(other)); } while (0)
557	#define ev_fork_init(ev,cb) do { ev_init ((ev), (cb)); ev_fork_set ((ev)); } while (0)	721	#define ev_fork_init(ev,cb) do { ev_init ((ev), (cb)); ev_fork_set ((ev)); } while (0)
		722	#define ev_cleanup_init(ev,cb) do { ev_init ((ev), (cb)); ev_cleanup_set ((ev)); } while (0)
558	#define ev_async_init(ev,cb) do { ev_init ((ev), (cb)); ev_async_set ((ev)); } while (0)	723	#define ev_async_init(ev,cb) do { ev_init ((ev), (cb)); ev_async_set ((ev)); } while (0)
559		724
560	#define ev_is_pending(ev) (0 + ((ev_watcher )(void )(ev))->pending) /* ro, true when watcher is waiting for callback invocation */	725	#define ev_is_pending(ev) (0 + ((ev_watcher )(void )(ev))->pending) /* ro, true when watcher is waiting for callback invocation */
561	#define ev_is_active(ev) (0 + ((ev_watcher )(void )(ev))->active) /* ro, true when the watcher has been started */	726	#define ev_is_active(ev) (0 + ((ev_watcher )(void )(ev))->active) /* ro, true when the watcher has been started */
562		727
563	#define ev_priority(ev) ((((ev_watcher )(void )(ev))->priority) + 0)
564	#define ev_cb(ev) (ev)->cb /* rw */	728	#define ev_cb_(ev) (ev)->cb /* rw */
		729	#define ev_cb(ev) (memmove (&ev_cb_ (ev), &((ev_watcher *)(ev))->cb, sizeof (ev_cb_ (ev))), (ev)->cb)
		730
		731	#if EV_MINPRI == EV_MAXPRI
		732	# define ev_priority(ev) ((ev), EV_MINPRI)
		733	# define ev_set_priority(ev,pri) ((ev), (pri))
		734	#else
		735	# define ev_priority(ev) (+(((ev_watcher )(void )(ev))->priority))
565	#define ev_set_priority(ev,pri) ((ev_watcher )(void )(ev))->priority = (pri)	736	# define ev_set_priority(ev,pri) ( (ev_watcher )(void )(ev))->priority = (pri)
		737	#endif
566		738
567	#define ev_periodic_at(ev) (((ev_watcher_time *)(ev))->at + 0.)	739	#define ev_periodic_at(ev) (+((ev_watcher_time *)(ev))->at)
568		740
569	#ifndef ev_set_cb	741	#ifndef ev_set_cb
570	# define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_)	742	# define ev_set_cb(ev,cb_) (ev_cb_ (ev) = (cb_), memmove (&((ev_watcher *)(ev))->cb, &ev_cb_ (ev), sizeof (ev_cb_ (ev))))
571	#endif	743	#endif
572		744
573	/* stopping (enabling, adding) a watcher does nothing if it is already running */	745	/* stopping (enabling, adding) a watcher does nothing if it is already running */
574	/* stopping (disabling, deleting) a watcher does nothing unless its already running */	746	/* stopping (disabling, deleting) a watcher does nothing unless it's already running */
575	#if EV_PROTOTYPES	747	#if EV_PROTOTYPES
576		748
577	/* feeds an event into a watcher as if the event actually occured */	749	/* feeds an event into a watcher as if the event actually occurred */
578	/* accepts any ev_watcher type */	750	/* accepts any ev_watcher type */
579	void ev_feed_event (EV_P_ void *w, int revents);	751	EV_API_DECL void ev_feed_event (EV_P_ void *w, int revents) EV_NOEXCEPT;
580	void ev_feed_fd_event (EV_P_ int fd, int revents);	752	EV_API_DECL void ev_feed_fd_event (EV_P_ int fd, int revents) EV_NOEXCEPT;
		753	#if EV_SIGNAL_ENABLE
		754	EV_API_DECL void ev_feed_signal (int signum) EV_NOEXCEPT;
581	void ev_feed_signal_event (EV_P_ int signum);	755	EV_API_DECL void ev_feed_signal_event (EV_P_ int signum) EV_NOEXCEPT;
		756	#endif
582	void ev_invoke (EV_P_ void *w, int revents);	757	EV_API_DECL void ev_invoke (EV_P_ void *w, int revents);
583	int ev_clear_pending (EV_P_ void *w);	758	EV_API_DECL int ev_clear_pending (EV_P_ void *w) EV_NOEXCEPT;
584		759
585	void ev_io_start (EV_P_ ev_io *w);	760	EV_API_DECL void ev_io_start (EV_P_ ev_io *w) EV_NOEXCEPT;
586	void ev_io_stop (EV_P_ ev_io *w);	761	EV_API_DECL void ev_io_stop (EV_P_ ev_io *w) EV_NOEXCEPT;
587		762
588	void ev_timer_start (EV_P_ ev_timer *w);	763	EV_API_DECL void ev_timer_start (EV_P_ ev_timer *w) EV_NOEXCEPT;
589	void ev_timer_stop (EV_P_ ev_timer *w);	764	EV_API_DECL void ev_timer_stop (EV_P_ ev_timer *w) EV_NOEXCEPT;
590	/* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */	765	/* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */
591	void ev_timer_again (EV_P_ ev_timer *w);	766	EV_API_DECL void ev_timer_again (EV_P_ ev_timer *w) EV_NOEXCEPT;
		767	/* return remaining time */
		768	EV_API_DECL ev_tstamp ev_timer_remaining (EV_P_ ev_timer *w) EV_NOEXCEPT;
592		769
593	#if EV_PERIODIC_ENABLE	770	#if EV_PERIODIC_ENABLE
594	void ev_periodic_start (EV_P_ ev_periodic *w);	771	EV_API_DECL void ev_periodic_start (EV_P_ ev_periodic *w) EV_NOEXCEPT;
595	void ev_periodic_stop (EV_P_ ev_periodic *w);	772	EV_API_DECL void ev_periodic_stop (EV_P_ ev_periodic *w) EV_NOEXCEPT;
596	void ev_periodic_again (EV_P_ ev_periodic *w);	773	EV_API_DECL void ev_periodic_again (EV_P_ ev_periodic *w) EV_NOEXCEPT;
597	#endif	774	#endif
598		775
599	/* only supported in the default loop */	776	/* only supported in the default loop */
		777	#if EV_SIGNAL_ENABLE
600	void ev_signal_start (EV_P_ ev_signal *w);	778	EV_API_DECL void ev_signal_start (EV_P_ ev_signal *w) EV_NOEXCEPT;
601	void ev_signal_stop (EV_P_ ev_signal *w);	779	EV_API_DECL void ev_signal_stop (EV_P_ ev_signal *w) EV_NOEXCEPT;
		780	#endif
602		781
603	/* only supported in the default loop */	782	/* only supported in the default loop */
		783	# if EV_CHILD_ENABLE
604	void ev_child_start (EV_P_ ev_child *w);	784	EV_API_DECL void ev_child_start (EV_P_ ev_child *w) EV_NOEXCEPT;
605	void ev_child_stop (EV_P_ ev_child *w);	785	EV_API_DECL void ev_child_stop (EV_P_ ev_child *w) EV_NOEXCEPT;
		786	# endif
606		787
607	# if EV_STAT_ENABLE	788	# if EV_STAT_ENABLE
608	void ev_stat_start (EV_P_ ev_stat *w);	789	EV_API_DECL void ev_stat_start (EV_P_ ev_stat *w) EV_NOEXCEPT;
609	void ev_stat_stop (EV_P_ ev_stat *w);	790	EV_API_DECL void ev_stat_stop (EV_P_ ev_stat *w) EV_NOEXCEPT;
610	void ev_stat_stat (EV_P_ ev_stat *w);	791	EV_API_DECL void ev_stat_stat (EV_P_ ev_stat *w) EV_NOEXCEPT;
611	# endif	792	# endif
612		793
613	# if EV_IDLE_ENABLE	794	# if EV_IDLE_ENABLE
614	void ev_idle_start (EV_P_ ev_idle *w);	795	EV_API_DECL void ev_idle_start (EV_P_ ev_idle *w) EV_NOEXCEPT;
615	void ev_idle_stop (EV_P_ ev_idle *w);	796	EV_API_DECL void ev_idle_stop (EV_P_ ev_idle *w) EV_NOEXCEPT;
		797	# endif
		798
		799	#if EV_PREPARE_ENABLE
		800	EV_API_DECL void ev_prepare_start (EV_P_ ev_prepare *w) EV_NOEXCEPT;
		801	EV_API_DECL void ev_prepare_stop (EV_P_ ev_prepare *w) EV_NOEXCEPT;
616	# endif	802	#endif
617		803
618	void ev_prepare_start (EV_P_ ev_prepare *w);	804	#if EV_CHECK_ENABLE
619	void ev_prepare_stop (EV_P_ ev_prepare *w);
620
621	void ev_check_start (EV_P_ ev_check *w);	805	EV_API_DECL void ev_check_start (EV_P_ ev_check *w) EV_NOEXCEPT;
622	void ev_check_stop (EV_P_ ev_check *w);	806	EV_API_DECL void ev_check_stop (EV_P_ ev_check *w) EV_NOEXCEPT;
		807	#endif
623		808
624	# if EV_FORK_ENABLE	809	# if EV_FORK_ENABLE
625	void ev_fork_start (EV_P_ ev_fork *w);	810	EV_API_DECL void ev_fork_start (EV_P_ ev_fork *w) EV_NOEXCEPT;
626	void ev_fork_stop (EV_P_ ev_fork *w);	811	EV_API_DECL void ev_fork_stop (EV_P_ ev_fork *w) EV_NOEXCEPT;
		812	# endif
		813
		814	# if EV_CLEANUP_ENABLE
		815	EV_API_DECL void ev_cleanup_start (EV_P_ ev_cleanup *w) EV_NOEXCEPT;
		816	EV_API_DECL void ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_NOEXCEPT;
627	# endif	817	# endif
628		818
629	# if EV_EMBED_ENABLE	819	# if EV_EMBED_ENABLE
630	/* only supported when loop to be embedded is in fact embeddable */	820	/* only supported when loop to be embedded is in fact embeddable */
631	void ev_embed_start (EV_P_ ev_embed *w);	821	EV_API_DECL void ev_embed_start (EV_P_ ev_embed *w) EV_NOEXCEPT;
632	void ev_embed_stop (EV_P_ ev_embed *w);	822	EV_API_DECL void ev_embed_stop (EV_P_ ev_embed *w) EV_NOEXCEPT;
633	void ev_embed_sweep (EV_P_ ev_embed *w);	823	EV_API_DECL void ev_embed_sweep (EV_P_ ev_embed *w) EV_NOEXCEPT;
634	# endif	824	# endif
635		825
636	# if EV_ASYNC_ENABLE	826	# if EV_ASYNC_ENABLE
637	void ev_async_start (EV_P_ ev_async *w);	827	EV_API_DECL void ev_async_start (EV_P_ ev_async *w) EV_NOEXCEPT;
638	void ev_async_stop (EV_P_ ev_async *w);	828	EV_API_DECL void ev_async_stop (EV_P_ ev_async *w) EV_NOEXCEPT;
639	void ev_async_send (EV_P_ ev_async *w);	829	EV_API_DECL void ev_async_send (EV_P_ ev_async *w) EV_NOEXCEPT;
640	# endif
641
642	#endif	830	# endif
643		831
644	#ifdef __cplusplus	832	#if EV_COMPAT3
645	}	833	#define EVLOOP_NONBLOCK EVRUN_NOWAIT
		834	#define EVLOOP_ONESHOT EVRUN_ONCE
		835	#define EVUNLOOP_CANCEL EVBREAK_CANCEL
		836	#define EVUNLOOP_ONE EVBREAK_ONE
		837	#define EVUNLOOP_ALL EVBREAK_ALL
		838	#if EV_PROTOTYPES
		839	EV_INLINE void ev_loop (EV_P_ int flags) { ev_run (EV_A_ flags); }
		840	EV_INLINE void ev_unloop (EV_P_ int how ) { ev_break (EV_A_ how ); }
		841	EV_INLINE void ev_default_destroy (void) { ev_loop_destroy (EV_DEFAULT); }
		842	EV_INLINE void ev_default_fork (void) { ev_loop_fork (EV_DEFAULT); }
		843	#if EV_FEATURE_API
		844	EV_INLINE unsigned int ev_loop_count (EV_P) { return ev_iteration (EV_A); }
		845	EV_INLINE unsigned int ev_loop_depth (EV_P) { return ev_depth (EV_A); }
		846	EV_INLINE void ev_loop_verify (EV_P) { ev_verify (EV_A); }
		847	#endif
646	#endif	848	#endif
647		849	#else
		850	typedef struct ev_loop ev_loop;
648	#endif	851	#endif
649		852
		853	#endif
		854
		855	EV_CPP(})
		856
		857	#endif
		858

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Comparing libev/ev.h (file contents): Revision 1.111 by root, Mon Mar 16 21:15:06 2009 UTC vs. Revision 1.200 by root, Tue Dec 24 13:52:58 2019 UTC

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Comparing libev/ev.h (file contents):
Revision 1.111 by root, Mon Mar 16 21:15:06 2009 UTC vs.
Revision 1.200 by root, Tue Dec 24 13:52:58 2019 UTC