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

Comparing libev/ev.h (file contents):
Revision 1.69 by root, Mon Nov 26 19:49:36 2007 UTC vs.
Revision 1.184 by root, Sun Dec 20 01:35:55 2015 UTC

…		…
1	/*	1	/*
		2	* libev native API header
		3	*
2	* Copyright (c) 2007 Marc Alexander Lehmann <libev@schmorp.de>	4	* Copyright (c) 2007,2008,2009,2010,2011,2012,2015 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_THROW noexcept
		47	# else
		48	# define EV_THROW throw ()
35	#endif	49	# endif
		50	#else
		51	# define EV_CPP(x)
		52	# define EV_THROW
		53	#endif
		54
		55	EV_CPP(extern "C" {)
		56
		57	/*****************************************************************************/
		58
		59	/* pre-4.0 compatibility */
		60	#ifndef EV_COMPAT3
		61	# define EV_COMPAT3 1
		62	#endif
		63
		64	#ifndef EV_FEATURES
		65	# if defined __OPTIMIZE_SIZE__
		66	# define EV_FEATURES 0x7c
		67	# else
		68	# define EV_FEATURES 0x7f
		69	# endif
		70	#endif
		71
		72	#define EV_FEATURE_CODE ((EV_FEATURES) & 1)
		73	#define EV_FEATURE_DATA ((EV_FEATURES) & 2)
		74	#define EV_FEATURE_CONFIG ((EV_FEATURES) & 4)
		75	#define EV_FEATURE_API ((EV_FEATURES) & 8)
		76	#define EV_FEATURE_WATCHERS ((EV_FEATURES) & 16)
		77	#define EV_FEATURE_BACKENDS ((EV_FEATURES) & 32)
		78	#define EV_FEATURE_OS ((EV_FEATURES) & 64)
		79
		80	/* these priorities are inclusive, higher priorities will be invoked earlier */
		81	#ifndef EV_MINPRI
		82	# define EV_MINPRI (EV_FEATURE_CONFIG ? -2 : 0)
		83	#endif
		84	#ifndef EV_MAXPRI
		85	# define EV_MAXPRI (EV_FEATURE_CONFIG ? +2 : 0)
		86	#endif
		87
		88	#ifndef EV_MULTIPLICITY
		89	# define EV_MULTIPLICITY EV_FEATURE_CONFIG
		90	#endif
		91
		92	#ifndef EV_PERIODIC_ENABLE
		93	# define EV_PERIODIC_ENABLE EV_FEATURE_WATCHERS
		94	#endif
		95
		96	#ifndef EV_STAT_ENABLE
		97	# define EV_STAT_ENABLE EV_FEATURE_WATCHERS
		98	#endif
		99
		100	#ifndef EV_PREPARE_ENABLE
		101	# define EV_PREPARE_ENABLE EV_FEATURE_WATCHERS
		102	#endif
		103
		104	#ifndef EV_CHECK_ENABLE
		105	# define EV_CHECK_ENABLE EV_FEATURE_WATCHERS
		106	#endif
		107
		108	#ifndef EV_IDLE_ENABLE
		109	# define EV_IDLE_ENABLE EV_FEATURE_WATCHERS
		110	#endif
		111
		112	#ifndef EV_FORK_ENABLE
		113	# define EV_FORK_ENABLE EV_FEATURE_WATCHERS
		114	#endif
		115
		116	#ifndef EV_CLEANUP_ENABLE
		117	# define EV_CLEANUP_ENABLE EV_FEATURE_WATCHERS
		118	#endif
		119
		120	#ifndef EV_SIGNAL_ENABLE
		121	# define EV_SIGNAL_ENABLE EV_FEATURE_WATCHERS
		122	#endif
		123
		124	#ifndef EV_CHILD_ENABLE
		125	# ifdef _WIN32
		126	# define EV_CHILD_ENABLE 0
		127	# else
		128	# define EV_CHILD_ENABLE EV_FEATURE_WATCHERS
		129	#endif
		130	#endif
		131
		132	#ifndef EV_ASYNC_ENABLE
		133	# define EV_ASYNC_ENABLE EV_FEATURE_WATCHERS
		134	#endif
		135
		136	#ifndef EV_EMBED_ENABLE
		137	# define EV_EMBED_ENABLE EV_FEATURE_WATCHERS
		138	#endif
		139
		140	#ifndef EV_WALK_ENABLE
		141	# define EV_WALK_ENABLE 0 /* not yet */
		142	#endif
		143
		144	/*****************************************************************************/
		145
		146	#if EV_CHILD_ENABLE && !EV_SIGNAL_ENABLE
		147	# undef EV_SIGNAL_ENABLE
		148	# define EV_SIGNAL_ENABLE 1
		149	#endif
		150
		151	/*****************************************************************************/
36		152
37	typedef double ev_tstamp;	153	typedef double ev_tstamp;
38		154
39	/* these priorities are inclusive, higher priorities will be called earlier */	155	#include <string.h> /* for memmove */
40	#ifndef EV_MINPRI
41	# define EV_MINPRI -2
42	#endif
43	#ifndef EV_MAXPRI
44	# define EV_MAXPRI +2
45	#endif
46		156
47	#ifndef EV_MULTIPLICITY	157	#ifndef EV_ATOMIC_T
48	# define EV_MULTIPLICITY 1	158	# include <signal.h>
		159	# define EV_ATOMIC_T sig_atomic_t volatile
49	#endif	160	#endif
50
51	#ifndef EV_PERIODIC_ENABLE
52	# define EV_PERIODIC_ENABLE 1
53	#endif
54
55	#ifndef EV_STAT_ENABLE
56	# define EV_STAT_ENABLE 1
57	#endif
58
59	#ifndef EV_EMBED_ENABLE
60	# define EV_EMBED_ENABLE 1
61	#endif
62
63	/*****************************************************************************/
64		161
65	#if EV_STAT_ENABLE	162	#if EV_STAT_ENABLE
		163	# ifdef _WIN32
		164	# include <time.h>
		165	# include <sys/types.h>
		166	# endif
66	# include <sys/stat.h>	167	# include <sys/stat.h>
67	#endif	168	#endif
68		169
69	/* support multiple event loops? */	170	/* support multiple event loops? */
70	#if EV_MULTIPLICITY	171	#if EV_MULTIPLICITY
71	struct ev_loop;	172	struct ev_loop;
72	# define EV_P struct ev_loop *loop	173	# define EV_P struct ev_loop loop / a loop as sole parameter in a declaration */
73	# define EV_P_ EV_P,	174	# define EV_P_ EV_P, /* a loop as first of multiple parameters */
74	# define EV_A loop	175	# define EV_A loop /* a loop as sole argument to a function call */
75	# define EV_A_ EV_A,	176	# define EV_A_ EV_A, /* a loop as first of multiple arguments */
76	# define EV_DEFAULT_A ev_default_loop (0)	177	# define EV_DEFAULT_UC ev_default_loop_uc_ () /* the default loop, if initialised, as sole arg */
77	# define EV_DEFAULT_A_ EV_DEFAULT_A,	178	# define EV_DEFAULT_UC_ EV_DEFAULT_UC, /* the default loop as first of multiple arguments */
		179	# define EV_DEFAULT ev_default_loop (0) /* the default loop as sole arg */
		180	# define EV_DEFAULT_ EV_DEFAULT, /* the default loop as first of multiple arguments */
78	#else	181	#else
79	# define EV_P void	182	# define EV_P void
80	# define EV_P_	183	# define EV_P_
81	# define EV_A	184	# define EV_A
82	# define EV_A_	185	# define EV_A_
		186	# define EV_DEFAULT
83	# define EV_DEFAULT_A	187	# define EV_DEFAULT_
		188	# define EV_DEFAULT_UC
84	# define EV_DEFAULT_A_	189	# define EV_DEFAULT_UC_
85
86	# undef EV_EMBED_ENABLE	190	# undef EV_EMBED_ENABLE
87	#endif	191	#endif
88		192
		193	/* EV_INLINE is used for functions in header files */
		194	#if __STDC_VERSION__ >= 199901L \|\| __GNUC__ >= 3
		195	# define EV_INLINE static inline
		196	#else
		197	# define EV_INLINE static
		198	#endif
		199
		200	#ifdef EV_API_STATIC
		201	# define EV_API_DECL static
		202	#else
		203	# define EV_API_DECL extern
		204	#endif
		205
		206	/* EV_PROTOTYPES can be used to switch of prototype declarations */
		207	#ifndef EV_PROTOTYPES
		208	# define EV_PROTOTYPES 1
		209	#endif
		210
		211	/*****************************************************************************/
		212
		213	#define EV_VERSION_MAJOR 4
		214	#define EV_VERSION_MINOR 22
		215
89	/* eventmask, revents, events... */	216	/* eventmask, revents, events... */
90	#define EV_UNDEF -1L /* guaranteed to be invalid */	217	enum {
		218	EV_UNDEF = (int)0xFFFFFFFF, /* guaranteed to be invalid */
91	#define EV_NONE 0x00L /* no events */	219	EV_NONE = 0x00, /* no events */
92	#define EV_READ 0x01L /* ev_io detected read will not block */	220	EV_READ = 0x01, /* ev_io detected read will not block */
93	#define EV_WRITE 0x02L /* ev_io detected write will not block */	221	EV_WRITE = 0x02, /* ev_io detected write will not block */
		222	EV__IOFDSET = 0x80, /* internal use only */
		223	EV_IO = EV_READ, /* alias for type-detection */
94	#define EV_TIMEOUT 0x00000100L /* timer timed out */	224	EV_TIMER = 0x00000100, /* timer timed out */
		225	#if EV_COMPAT3
		226	EV_TIMEOUT = EV_TIMER, /* pre 4.0 API compatibility */
		227	#endif
95	#define EV_PERIODIC 0x00000200L /* periodic timer timed out */	228	EV_PERIODIC = 0x00000200, /* periodic timer timed out */
96	#define EV_SIGNAL 0x00000400L /* signal was received */	229	EV_SIGNAL = 0x00000400, /* signal was received */
		230	EV_CHILD = 0x00000800, /* child/pid had status change */
		231	EV_STAT = 0x00001000, /* stat data changed */
97	#define EV_IDLE 0x00000800L /* event loop is idling */	232	EV_IDLE = 0x00002000, /* event loop is idling */
98	#define EV_PREPARE 0x00001000L /* event loop about to poll */	233	EV_PREPARE = 0x00004000, /* event loop about to poll */
99	#define EV_CHECK 0x00002000L /* event loop finished poll */	234	EV_CHECK = 0x00008000, /* event loop finished poll */
100	#define EV_CHILD 0x00004000L /* child/pid had status change */
101	#define EV_EMBED 0x00008000L /* embedded event loop needs sweep */	235	EV_EMBED = 0x00010000, /* embedded event loop needs sweep */
102	#define EV_STAT 0x00010000L /* stat data changed */	236	EV_FORK = 0x00020000, /* event loop resumed in child */
		237	EV_CLEANUP = 0x00040000, /* event loop resumed in child */
		238	EV_ASYNC = 0x00080000, /* async intra-loop signal */
		239	EV_CUSTOM = 0x01000000, /* for use by user code */
103	#define EV_ERROR 0x80000000L /* sent when an error occurs */	240	EV_ERROR = (int)0x80000000 /* sent when an error occurs */
		241	};
104		242
105	/* can be used to add custom fields to all watchers, while losing binary compatibility */	243	/* can be used to add custom fields to all watchers, while losing binary compatibility */
106	#ifndef EV_COMMON	244	#ifndef EV_COMMON
107	# define EV_COMMON void *data;	245	# define EV_COMMON void *data;
108	#endif	246	#endif
109	#ifndef EV_PROTOTYPES
110	# define EV_PROTOTYPES 1
111	#endif
112
113	#define EV_VERSION_MAJOR 1
114	#define EV_VERSION_MINOR 1
115		247
116	#ifndef EV_CB_DECLARE	248	#ifndef EV_CB_DECLARE
117	# define EV_CB_DECLARE(type) void (cb)(EV_P_ struct type w, int revents);	249	# define EV_CB_DECLARE(type) void (cb)(EV_P_ struct type w, int revents);
118	#endif	250	#endif
119	#ifndef EV_CB_INVOKE	251	#ifndef EV_CB_INVOKE
120	# define EV_CB_INVOKE(watcher,revents) (watcher)->cb (EV_A_ (watcher), (revents))	252	# define EV_CB_INVOKE(watcher,revents) (watcher)->cb (EV_A_ (watcher), (revents))
121	#endif	253	#endif
122		254
		255	/* not official, do not use */
		256	#define EV_CB(type,name) void name (EV_P_ struct ev_ ## type *w, int revents)
		257
123	/*	258	/*
124	* struct member types:	259	* struct member types:
125	* private: you can look at them, but not change them, and they might not mean anything to you.	260	* private: you may look at them, but not change them,
		261	* and they might not mean anything to you.
126	* ro: can be read anytime, but only changed when the watcher isn't active	262	* ro: can be read anytime, but only changed when the watcher isn't active.
127	* rw: can be read and modified anytime, even when the watcher is active	263	* rw: can be read and modified anytime, even when the watcher is active.
		264	*
		265	* some internal details that might be helpful for debugging:
		266	*
		267	* active is either 0, which means the watcher is not active,
		268	* or the array index of the watcher (periodics, timers)
		269	* or the array index + 1 (most other watchers)
		270	* or simply 1 for watchers that aren't in some array.
		271	* pending is either 0, in which case the watcher isn't,
		272	* or the array index + 1 in the pendings array.
128	*/	273	*/
		274
		275	#if EV_MINPRI == EV_MAXPRI
		276	# define EV_DECL_PRIORITY
		277	#elif !defined (EV_DECL_PRIORITY)
		278	# define EV_DECL_PRIORITY int priority;
		279	#endif
129		280
130	/* shared by all watchers */	281	/* shared by all watchers */
131	#define EV_WATCHER(type) \	282	#define EV_WATCHER(type) \
132	int active; /* private */ \	283	int active; /* private */ \
133	int pending; /* private */ \	284	int pending; /* private */ \
134	int priority; /* private */ \	285	EV_DECL_PRIORITY /* private */ \
135	EV_COMMON /* rw */ \	286	EV_COMMON /* rw */ \
136	EV_CB_DECLARE (type) /* private */	287	EV_CB_DECLARE (type) /* private */
137		288
138	#define EV_WATCHER_LIST(type) \	289	#define EV_WATCHER_LIST(type) \
139	EV_WATCHER (type) \	290	EV_WATCHER (type) \
159	typedef struct ev_watcher_time	310	typedef struct ev_watcher_time
160	{	311	{
161	EV_WATCHER_TIME (ev_watcher_time)	312	EV_WATCHER_TIME (ev_watcher_time)
162	} ev_watcher_time;	313	} ev_watcher_time;
163		314
		315	/* invoked when fd is either EV_READable or EV_WRITEable */
		316	/* revent EV_READ, EV_WRITE */
		317	typedef struct ev_io
		318	{
		319	EV_WATCHER_LIST (ev_io)
		320
		321	int fd; /* ro */
		322	int events; /* ro */
		323	} ev_io;
		324
164	/* invoked after a specific time, repeatable (based on monotonic clock) */	325	/* invoked after a specific time, repeatable (based on monotonic clock) */
165	/* revent EV_TIMEOUT */	326	/* revent EV_TIMEOUT */
166	typedef struct ev_timer	327	typedef struct ev_timer
167	{	328	{
168	EV_WATCHER_TIME (ev_timer)	329	EV_WATCHER_TIME (ev_timer)
…		…
174	/* revent EV_PERIODIC */	335	/* revent EV_PERIODIC */
175	typedef struct ev_periodic	336	typedef struct ev_periodic
176	{	337	{
177	EV_WATCHER_TIME (ev_periodic)	338	EV_WATCHER_TIME (ev_periodic)
178		339
		340	ev_tstamp offset; /* rw */
179	ev_tstamp interval; /* rw */	341	ev_tstamp interval; /* rw */
180	ev_tstamp (reschedule_cb)(struct ev_periodic w, ev_tstamp now); /* rw */	342	ev_tstamp (reschedule_cb)(struct ev_periodic w, ev_tstamp now) EV_THROW; /* rw */
181	} ev_periodic;	343	} ev_periodic;
182
183	/* invoked when fd is either EV_READable or EV_WRITEable */
184	/* revent EV_READ, EV_WRITE */
185	typedef struct ev_io
186	{
187	EV_WATCHER_LIST (ev_io)
188
189	int fd; /* ro */
190	int events; /* ro */
191	} ev_io;
192		344
193	/* invoked when the given signal has been received */	345	/* invoked when the given signal has been received */
194	/* revent EV_SIGNAL */	346	/* revent EV_SIGNAL */
195	typedef struct ev_signal	347	typedef struct ev_signal
196	{	348	{
197	EV_WATCHER_LIST (ev_signal)	349	EV_WATCHER_LIST (ev_signal)
198		350
199	int signum; /* ro */	351	int signum; /* ro */
200	} ev_signal;	352	} ev_signal;
201		353
		354	/* invoked when sigchld is received and waitpid indicates the given pid */
		355	/* revent EV_CHILD */
		356	/* does not support priorities */
		357	typedef struct ev_child
		358	{
		359	EV_WATCHER_LIST (ev_child)
		360
		361	int flags; /* private */
		362	int pid; /* ro */
		363	int rpid; /* rw, holds the received pid */
		364	int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */
		365	} ev_child;
		366
		367	#if EV_STAT_ENABLE
		368	/* st_nlink = 0 means missing file or other error */
		369	# ifdef _WIN32
		370	typedef struct _stati64 ev_statdata;
		371	# else
		372	typedef struct stat ev_statdata;
		373	# endif
		374
		375	/* invoked each time the stat data changes for a given path */
		376	/* revent EV_STAT */
		377	typedef struct ev_stat
		378	{
		379	EV_WATCHER_LIST (ev_stat)
		380
		381	ev_timer timer; /* private */
		382	ev_tstamp interval; /* ro */
		383	const char path; / ro */
		384	ev_statdata prev; /* ro */
		385	ev_statdata attr; /* ro */
		386
		387	int wd; /* wd for inotify, fd for kqueue */
		388	} ev_stat;
		389	#endif
		390
		391	#if EV_IDLE_ENABLE
202	/* invoked when the nothing else needs to be done, keeps the process from blocking */	392	/* invoked when the nothing else needs to be done, keeps the process from blocking */
203	/* revent EV_IDLE */	393	/* revent EV_IDLE */
204	typedef struct ev_idle	394	typedef struct ev_idle
205	{	395	{
206	EV_WATCHER (ev_idle)	396	EV_WATCHER (ev_idle)
207	} ev_idle;	397	} ev_idle;
		398	#endif
208		399
209	/* invoked for each run of the mainloop, just before the blocking call */	400	/* invoked for each run of the mainloop, just before the blocking call */
210	/* you can still change events in any way you like */	401	/* you can still change events in any way you like */
211	/* revent EV_PREPARE */	402	/* revent EV_PREPARE */
212	typedef struct ev_prepare	403	typedef struct ev_prepare
…		…
219	typedef struct ev_check	410	typedef struct ev_check
220	{	411	{
221	EV_WATCHER (ev_check)	412	EV_WATCHER (ev_check)
222	} ev_check;	413	} ev_check;
223		414
224	/* invoked when sigchld is received and waitpid indicates the given pid */	415	#if EV_FORK_ENABLE
		416	/* the callback gets invoked before check in the child process when a fork was detected */
		417	/* revent EV_FORK */
		418	typedef struct ev_fork
		419	{
		420	EV_WATCHER (ev_fork)
		421	} ev_fork;
		422	#endif
		423
		424	#if EV_CLEANUP_ENABLE
		425	/* is invoked just before the loop gets destroyed */
225	/* revent EV_CHILD */	426	/* revent EV_CLEANUP */
226	/* does not support priorities */
227	typedef struct ev_child	427	typedef struct ev_cleanup
228	{	428	{
229	EV_WATCHER_LIST (ev_child)	429	EV_WATCHER (ev_cleanup)
230		430	} ev_cleanup;
231	int pid; /* ro */	431	#endif
232	int rpid; /* rw, holds the received pid */
233	int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */
234	} ev_child;
235		432
236	#if EV_EMBED_ENABLE	433	#if EV_EMBED_ENABLE
237	/* used to embed an event loop inside another */	434	/* used to embed an event loop inside another */
238	/* the callback gets invoked when the event loop has handled events, and can be 0 */	435	/* the callback gets invoked when the event loop has handled events, and can be 0 */
239	typedef struct ev_embed	436	typedef struct ev_embed
240	{	437	{
241	EV_WATCHER (ev_embed)	438	EV_WATCHER (ev_embed)
242		439
243	ev_io io; /* private */
244	struct ev_loop loop; / ro */	440	struct ev_loop other; / ro */
		441	ev_io io; /* private */
		442	ev_prepare prepare; /* private */
		443	ev_check check; /* unused */
		444	ev_timer timer; /* unused */
		445	ev_periodic periodic; /* unused */
		446	ev_idle idle; /* unused */
		447	ev_fork fork; /* private */
		448	#if EV_CLEANUP_ENABLE
		449	ev_cleanup cleanup; /* unused */
		450	#endif
245	} ev_embed;	451	} ev_embed;
246	#endif	452	#endif
247		453
248	#if EV_STAT_ENABLE	454	#if EV_ASYNC_ENABLE
249	/* st_nlink = 0 means missing file or other error */	455	/* invoked when somebody calls ev_async_send on the watcher */
250	typedef struct stat ev_statdata;
251
252	/* invoked each time the stat data changes for a given path */
253	/* revent EV_STAT */	456	/* revent EV_ASYNC */
254	typedef struct ev_stat	457	typedef struct ev_async
255	{	458	{
256	EV_WATCHER (ev_stat)	459	EV_WATCHER (ev_async)
257		460
258	ev_timer timer; /* private */	461	EV_ATOMIC_T sent; /* private */
259	ev_tstamp interval; /* rw */	462	} ev_async;
260	const char path; / ro */	463
261	ev_statdata prev; /* ro */	464	# define ev_async_pending(w) (+(w)->sent)
262	ev_statdata attr; /* ro */
263	} ev_stat;
264	#endif	465	#endif
265		466
266	/* the presence of this union forces similar struct layout */	467	/* the presence of this union forces similar struct layout */
267	union ev_any_watcher	468	union ev_any_watcher
268	{	469	{
…		…
270	struct ev_watcher_list wl;	471	struct ev_watcher_list wl;
271		472
272	struct ev_io io;	473	struct ev_io io;
273	struct ev_timer timer;	474	struct ev_timer timer;
274	struct ev_periodic periodic;	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
275	struct ev_idle idle;	482	struct ev_idle idle;
		483	#endif
276	struct ev_prepare prepare;	484	struct ev_prepare prepare;
277	struct ev_check check;	485	struct ev_check check;
278	struct ev_signal signal;	486	#if EV_FORK_ENABLE
279	struct ev_child child;	487	struct ev_fork fork;
		488	#endif
		489	#if EV_CLEANUP_ENABLE
		490	struct ev_cleanup cleanup;
		491	#endif
280	#if EV_EMBED_ENABLE	492	#if EV_EMBED_ENABLE
281	struct ev_embed embed;	493	struct ev_embed embed;
282	#endif	494	#endif
283	#if EV_STAT_ENABLE	495	#if EV_ASYNC_ENABLE
284	struct ev_stat stat;	496	struct ev_async async;
285	#endif	497	#endif
286	};	498	};
287		499
288	/* bits for ev_default_loop and ev_loop_new */	500	/* flag bits for ev_default_loop and ev_loop_new */
		501	enum {
289	/* the default */	502	/* the default */
290	#define EVFLAG_AUTO 0x00000000UL /* not quite a mask */	503	EVFLAG_AUTO = 0x00000000U, /* not quite a mask */
291	/* flag bits */	504	/* flag bits */
292	#define EVFLAG_NOENV 0x01000000UL /* do NOT consult environment */	505	EVFLAG_NOENV = 0x01000000U, /* do NOT consult environment */
		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	};
		515
293	/* method bits to be ored together */	516	/* method bits to be ored together */
		517	enum {
294	#define EVBACKEND_SELECT 0x00000001UL /* about anywhere */	518	EVBACKEND_SELECT = 0x00000001U, /* about anywhere */
295	#define EVBACKEND_POLL 0x00000002UL /* !win */	519	EVBACKEND_POLL = 0x00000002U, /* !win */
296	#define EVBACKEND_EPOLL 0x00000004UL /* linux */	520	EVBACKEND_EPOLL = 0x00000004U, /* linux */
297	#define EVBACKEND_KQUEUE 0x00000008UL /* bsd */	521	EVBACKEND_KQUEUE = 0x00000008U, /* bsd */
298	#define EVBACKEND_DEVPOLL 0x00000010UL /* solaris 8 / / NYI */	522	EVBACKEND_DEVPOLL = 0x00000010U, /* solaris 8 / / NYI */
299	#define EVBACKEND_PORT 0x00000020UL /* solaris 10 */	523	EVBACKEND_PORT = 0x00000020U, /* solaris 10 */
		524	EVBACKEND_ALL = 0x0000003FU, /* all known backends */
		525	EVBACKEND_MASK = 0x0000FFFFU /* all future backends */
		526	};
300		527
301	#if EV_PROTOTYPES	528	#if EV_PROTOTYPES
302	int ev_version_major (void);	529	EV_API_DECL int ev_version_major (void) EV_THROW;
303	int ev_version_minor (void);	530	EV_API_DECL int ev_version_minor (void) EV_THROW;
304		531
305	unsigned int ev_supported_backends (void);	532	EV_API_DECL unsigned int ev_supported_backends (void) EV_THROW;
306	unsigned int ev_recommended_backends (void);	533	EV_API_DECL unsigned int ev_recommended_backends (void) EV_THROW;
307	unsigned int ev_embeddable_backends (void);	534	EV_API_DECL unsigned int ev_embeddable_backends (void) EV_THROW;
308		535
309	ev_tstamp ev_time (void);	536	EV_API_DECL ev_tstamp ev_time (void) EV_THROW;
		537	EV_API_DECL void ev_sleep (ev_tstamp delay) EV_THROW; /* sleep for a while */
310		538
311	/* Sets the allocation function to use, works like realloc.	539	/* Sets the allocation function to use, works like realloc.
312	* It is used to allocate and free memory.	540	* It is used to allocate and free memory.
313	* If it returns zero when memory needs to be allocated, the library might abort	541	* If it returns zero when memory needs to be allocated, the library might abort
314	* or take some potentially destructive action.	542	* or take some potentially destructive action.
315	* The default is your system realloc function.	543	* The default is your system realloc function.
316	*/	544	*/
317	void ev_set_allocator (void (cb)(void *ptr, long size));	545	EV_API_DECL void ev_set_allocator (void (cb)(void *ptr, long size) EV_THROW) EV_THROW;
318		546
319	/* set the callback function to call on a	547	/* set the callback function to call on a
320	* retryable syscall error	548	* retryable syscall error
321	* (such as failed select, poll, epoll_wait)	549	* (such as failed select, poll, epoll_wait)
322	*/	550	*/
323	void ev_set_syserr_cb (void (cb)(const char msg));	551	EV_API_DECL void ev_set_syserr_cb (void (cb)(const char msg) EV_THROW) EV_THROW;
324		552
325	# if EV_MULTIPLICITY	553	#if EV_MULTIPLICITY
		554
326	/* the default loop is the only one that handles signals and child watchers */	555	/* the default loop is the only one that handles signals and child watchers */
327	/* you can call this as often as you like */	556	/* you can call this as often as you like */
328	static struct ev_loop *	557	EV_API_DECL struct ev_loop *ev_default_loop (unsigned int flags EV_CPP (= 0)) EV_THROW;
329	ev_default_loop (unsigned int flags)	558
		559	#ifdef EV_API_STATIC
		560	EV_API_DECL struct ev_loop *ev_default_loop_ptr;
		561	#endif
		562
		563	EV_INLINE struct ev_loop *
		564	ev_default_loop_uc_ (void) EV_THROW
330	{	565	{
331	extern struct ev_loop *ev_default_loop_ptr;	566	extern struct ev_loop *ev_default_loop_ptr;
332	extern struct ev_loop *ev_default_loop_init (unsigned int flags);
333
334	if (!ev_default_loop_ptr)
335	ev_default_loop_init (flags);
336		567
337	return ev_default_loop_ptr;	568	return ev_default_loop_ptr;
338	}	569	}
339		570
		571	EV_INLINE int
		572	ev_is_default_loop (EV_P) EV_THROW
		573	{
		574	return EV_A == EV_DEFAULT_UC;
		575	}
		576
340	/* create and destroy alternative loops that don't handle signals */	577	/* create and destroy alternative loops that don't handle signals */
341	struct ev_loop *ev_loop_new (unsigned int flags);	578	EV_API_DECL struct ev_loop *ev_loop_new (unsigned int flags EV_CPP (= 0)) EV_THROW;
342	void ev_loop_destroy (EV_P);
343	void ev_loop_fork (EV_P);
344		579
345	ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */	580	EV_API_DECL ev_tstamp ev_now (EV_P) EV_THROW; /* time w.r.t. timers and the eventloop, updated after each poll */
346		581
347	# else	582	#else
348		583
349	int ev_default_loop (unsigned int flags); /* returns true when successful */	584	EV_API_DECL int ev_default_loop (unsigned int flags EV_CPP (= 0)) EV_THROW; /* returns true when successful */
350		585
351	static ev_tstamp	586	EV_API_DECL ev_tstamp ev_rt_now;
352	ev_now (void)
353	{
354	extern ev_tstamp ev_rt_now;
355		587
		588	EV_INLINE ev_tstamp
		589	ev_now (void) EV_THROW
		590	{
356	return ev_rt_now;	591	return ev_rt_now;
357	}	592	}
358	# endif
359		593
360	void ev_default_destroy (void); /* destroy the default loop */	594	/* looks weird, but ev_is_default_loop (EV_A) still works if this exists */
		595	EV_INLINE int
		596	ev_is_default_loop (void) EV_THROW
		597	{
		598	return 1;
		599	}
		600
		601	#endif /* multiplicity */
		602
		603	/* destroy event loops, also works for the default loop */
		604	EV_API_DECL void ev_loop_destroy (EV_P);
		605
361	/* this needs to be called after fork, to duplicate the default loop */	606	/* this needs to be called after fork, to duplicate the loop */
362	/* if you create alternative loops you have to call ev_loop_fork on them */	607	/* when you want to re-use it in the child */
363	/* you can call it in either the parent or the child */	608	/* you can call it in either the parent or the child */
364	/* you can actually call it at any time, anywhere :) */	609	/* you can actually call it at any time, anywhere :) */
365	void ev_default_fork (void);	610	EV_API_DECL void ev_loop_fork (EV_P) EV_THROW;
366		611
367	unsigned int ev_backend (EV_P);	612	EV_API_DECL unsigned int ev_backend (EV_P) EV_THROW; /* backend in use by loop */
368	#endif
369		613
370	#define EVLOOP_NONBLOCK 1 /* do not block/wait */	614	EV_API_DECL void ev_now_update (EV_P) EV_THROW; /* update event loop time */
371	#define EVLOOP_ONESHOT 2 /* block once only */	615
372	#define EVUNLOOP_CANCEL 0 /* undo unloop */	616	#if EV_WALK_ENABLE
373	#define EVUNLOOP_ONE 1 /* unloop once */	617	/* walk (almost) all watchers in the loop of a given type, invoking the */
		618	/* callback on every such watcher. The callback might stop the watcher, */
		619	/* but do nothing else with the loop */
		620	EV_API_DECL void ev_walk (EV_P_ int types, void (cb)(EV_P_ int type, void w)) EV_THROW;
		621	#endif
		622
		623	#endif /* prototypes */
		624
		625	/* ev_run flags values */
		626	enum {
		627	EVRUN_NOWAIT = 1, /* do not block/wait */
		628	EVRUN_ONCE = 2 /* block once only */
		629	};
		630
		631	/* ev_break how values */
		632	enum {
		633	EVBREAK_CANCEL = 0, /* undo unloop */
		634	EVBREAK_ONE = 1, /* unloop once */
374	#define EVUNLOOP_ALL 2 /* unloop all loops */	635	EVBREAK_ALL = 2 /* unloop all loops */
		636	};
375		637
376	#if EV_PROTOTYPES	638	#if EV_PROTOTYPES
377	void ev_loop (EV_P_ int flags);	639	EV_API_DECL int ev_run (EV_P_ int flags EV_CPP (= 0));
378	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 */	640	EV_API_DECL void ev_break (EV_P_ int how EV_CPP (= EVBREAK_ONE)) EV_THROW; /* break out of the loop */
379		641
380	/*	642	/*
381	* ref/unref can be used to add or remove a refcount on the mainloop. every watcher	643	* ref/unref can be used to add or remove a refcount on the mainloop. every watcher
382	* keeps one reference. if you have a long-runing watcher you never unregister that	644	* keeps one reference. if you have a long-running watcher you never unregister that
383	* should not keep ev_loop from running, unref() after starting, and ref() before stopping.	645	* should not keep ev_loop from running, unref() after starting, and ref() before stopping.
384	*/	646	*/
385	void ev_ref (EV_P);	647	EV_API_DECL void ev_ref (EV_P) EV_THROW;
386	void ev_unref (EV_P);	648	EV_API_DECL void ev_unref (EV_P) EV_THROW;
387		649
		650	/*
388	/* convinience function, wait for a single event, without registering an event watcher */	651	* convenience function, wait for a single event, without registering an event watcher
389	/* if timeout is < 0, do wait indefinitely */	652	* if timeout is < 0, do wait indefinitely
		653	*/
390	void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (cb)(int revents, void arg), void *arg);	654	EV_API_DECL void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (cb)(int revents, void arg), void *arg) EV_THROW;
		655
		656	# if EV_FEATURE_API
		657	EV_API_DECL unsigned int ev_iteration (EV_P) EV_THROW; /* number of loop iterations */
		658	EV_API_DECL unsigned int ev_depth (EV_P) EV_THROW; /* #ev_loop enters - #ev_loop leaves */
		659	EV_API_DECL void ev_verify (EV_P) EV_THROW; /* abort if loop data corrupted */
		660
		661	EV_API_DECL void ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW; /* sleep at least this time, default 0 */
		662	EV_API_DECL void ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW; /* sleep at least this time, default 0 */
		663
		664	/* advanced stuff for threading etc. support, see docs */
		665	EV_API_DECL void ev_set_userdata (EV_P_ void *data) EV_THROW;
		666	EV_API_DECL void *ev_userdata (EV_P) EV_THROW;
		667	typedef void (*ev_loop_callback)(EV_P);
		668	EV_API_DECL void ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_THROW;
		669	/* C++ doesn't allow the use of the ev_loop_callback typedef here, so we need to spell it out */
		670	EV_API_DECL void ev_set_loop_release_cb (EV_P_ void (release)(EV_P) EV_THROW, void (acquire)(EV_P) EV_THROW) EV_THROW;
		671
		672	EV_API_DECL unsigned int ev_pending_count (EV_P) EV_THROW; /* number of pending events, if any */
		673	EV_API_DECL void ev_invoke_pending (EV_P); /* invoke all pending watchers */
		674
		675	/*
		676	* stop/start the timer handling.
		677	*/
		678	EV_API_DECL void ev_suspend (EV_P) EV_THROW;
		679	EV_API_DECL void ev_resume (EV_P) EV_THROW;
		680	#endif
		681
391	#endif	682	#endif
392		683
393	/* these may evaluate ev multiple times, and the other arguments at most once */	684	/* these may evaluate ev multiple times, and the other arguments at most once */
394	/* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */	685	/* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */
395	#define ev_init(ev,cb_) do { \	686	#define ev_init(ev,cb_) do { \
396	((ev_watcher )(void )(ev))->active = \	687	((ev_watcher )(void )(ev))->active = \
397	((ev_watcher )(void )(ev))->pending = \	688	((ev_watcher )(void )(ev))->pending = 0; \
398	((ev_watcher )(void )(ev))->priority = 0; \	689	ev_set_priority ((ev), 0); \
399	ev_set_cb ((ev), cb_); \	690	ev_set_cb ((ev), cb_); \
400	} while (0)	691	} while (0)
401		692
402	#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_); } while (0)	693	#define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_) \| EV__IOFDSET; } while (0)
403	#define ev_timer_set(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); } while (0)	694	#define ev_timer_set(ev,after_,repeat_) do { ((ev_watcher_time *)(ev))->at = (after_); (ev)->repeat = (repeat_); } while (0)
404	#define ev_periodic_set(ev,at_,ival_,res_) do { (ev)->at = (at_); (ev)->interval = (ival_); (ev)->reschedule_cb= (res_); } while (0)	695	#define ev_periodic_set(ev,ofs_,ival_,rcb_) do { (ev)->offset = (ofs_); (ev)->interval = (ival_); (ev)->reschedule_cb = (rcb_); } while (0)
405	#define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0)	696	#define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0)
		697	#define ev_child_set(ev,pid_,trace_) do { (ev)->pid = (pid_); (ev)->flags = !!(trace_); } while (0)
		698	#define ev_stat_set(ev,path_,interval_) do { (ev)->path = (path_); (ev)->interval = (interval_); (ev)->wd = -2; } while (0)
406	#define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */	699	#define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */
407	#define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */	700	#define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */
408	#define ev_check_set(ev) /* nop, yes, this is a serious in-joke */	701	#define ev_check_set(ev) /* nop, yes, this is a serious in-joke */
409	#define ev_child_set(ev,pid_) do { (ev)->pid = (pid_); } while (0)
410	#define ev_embed_set(ev,loop_) do { (ev)->loop = (loop_); } while (0)	702	#define ev_embed_set(ev,other_) do { (ev)->other = (other_); } while (0)
411	#define ev_stat_set(ev,path_,interval_) do { (ev)->path = (path_); (ev)->interval = (interval_); } while (0)	703	#define ev_fork_set(ev) /* nop, yes, this is a serious in-joke */
		704	#define ev_cleanup_set(ev) /* nop, yes, this is a serious in-joke */
		705	#define ev_async_set(ev) /* nop, yes, this is a serious in-joke */
412		706
413	#define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)	707	#define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)
414	#define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0)	708	#define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0)
415	#define ev_periodic_init(ev,cb,at,ival,res) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(at),(ival),(res)); } while (0)	709	#define ev_periodic_init(ev,cb,ofs,ival,rcb) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(ofs),(ival),(rcb)); } while (0)
416	#define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0)	710	#define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0)
		711	#define ev_child_init(ev,cb,pid,trace) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid),(trace)); } while (0)
		712	#define ev_stat_init(ev,cb,path,interval) do { ev_init ((ev), (cb)); ev_stat_set ((ev),(path),(interval)); } while (0)
417	#define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0)	713	#define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0)
418	#define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0)	714	#define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0)
419	#define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0)	715	#define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0)
420	#define ev_child_init(ev,cb,pid) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid)); } while (0)
421	#define ev_embed_init(ev,cb,loop) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(loop)); } while (0)	716	#define ev_embed_init(ev,cb,other) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(other)); } while (0)
422	#define ev_stat_init(ev,cb,path,interval) do { ev_init ((ev), (cb)); ev_path_set ((ev),(path),(interval)); } while (0)	717	#define ev_fork_init(ev,cb) do { ev_init ((ev), (cb)); ev_fork_set ((ev)); } while (0)
		718	#define ev_cleanup_init(ev,cb) do { ev_init ((ev), (cb)); ev_cleanup_set ((ev)); } while (0)
		719	#define ev_async_init(ev,cb) do { ev_init ((ev), (cb)); ev_async_set ((ev)); } while (0)
423		720
424	#define ev_is_pending(ev) (0 + ((ev_watcher )(void )(ev))->pending) /* ro, true when watcher is waiting for callback invocation */	721	#define ev_is_pending(ev) (0 + ((ev_watcher )(void )(ev))->pending) /* ro, true when watcher is waiting for callback invocation */
425	#define ev_is_active(ev) (0 + ((ev_watcher )(void )(ev))->active) /* ro, true when the watcher has been started */	722	#define ev_is_active(ev) (0 + ((ev_watcher )(void )(ev))->active) /* ro, true when the watcher has been started */
426		723
427	#define ev_priority(ev) ((ev_watcher )(void )(ev))->priority /* rw */
428	#define ev_cb(ev) (ev)->cb /* rw */	724	#define ev_cb_(ev) (ev)->cb /* rw */
		725	#define ev_cb(ev) (memmove (&ev_cb_ (ev), &((ev_watcher *)(ev))->cb, sizeof (ev_cb_ (ev))), (ev)->cb)
		726
		727	#if EV_MINPRI == EV_MAXPRI
		728	# define ev_priority(ev) ((ev), EV_MINPRI)
429	#define ev_set_priority(ev,pri) ev_priority (ev) = (pri)	729	# define ev_set_priority(ev,pri) ((ev), (pri))
		730	#else
		731	# define ev_priority(ev) (+(((ev_watcher )(void )(ev))->priority))
		732	# define ev_set_priority(ev,pri) ( (ev_watcher )(void )(ev))->priority = (pri)
		733	#endif
		734
		735	#define ev_periodic_at(ev) (+((ev_watcher_time *)(ev))->at)
430		736
431	#ifndef ev_set_cb	737	#ifndef ev_set_cb
432	# define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_)	738	# define ev_set_cb(ev,cb_) (ev_cb_ (ev) = (cb_), memmove (&((ev_watcher *)(ev))->cb, &ev_cb_ (ev), sizeof (ev_cb_ (ev))))
433	#endif	739	#endif
434		740
435	/* stopping (enabling, adding) a watcher does nothing if it is already running */	741	/* stopping (enabling, adding) a watcher does nothing if it is already running */
436	/* stopping (disabling, deleting) a watcher does nothing unless its already running */	742	/* stopping (disabling, deleting) a watcher does nothing unless it's already running */
437	#if EV_PROTOTYPES	743	#if EV_PROTOTYPES
438		744
439	/* feeds an event into a watcher as if the event actually occured */	745	/* feeds an event into a watcher as if the event actually occurred */
440	/* accepts any ev_watcher type */	746	/* accepts any ev_watcher type */
441	void ev_feed_event (EV_P_ void *w, int revents);	747	EV_API_DECL void ev_feed_event (EV_P_ void *w, int revents) EV_THROW;
442	void ev_feed_fd_event (EV_P_ int fd, int revents);	748	EV_API_DECL void ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW;
		749	#if EV_SIGNAL_ENABLE
		750	EV_API_DECL void ev_feed_signal (int signum) EV_THROW;
443	void ev_feed_signal_event (EV_P_ int signum);	751	EV_API_DECL void ev_feed_signal_event (EV_P_ int signum) EV_THROW;
		752	#endif
		753	EV_API_DECL void ev_invoke (EV_P_ void *w, int revents);
		754	EV_API_DECL int ev_clear_pending (EV_P_ void *w) EV_THROW;
444		755
445	void ev_io_start (EV_P_ ev_io *w);	756	EV_API_DECL void ev_io_start (EV_P_ ev_io *w) EV_THROW;
446	void ev_io_stop (EV_P_ ev_io *w);	757	EV_API_DECL void ev_io_stop (EV_P_ ev_io *w) EV_THROW;
447		758
448	void ev_timer_start (EV_P_ ev_timer *w);	759	EV_API_DECL void ev_timer_start (EV_P_ ev_timer *w) EV_THROW;
449	void ev_timer_stop (EV_P_ ev_timer *w);	760	EV_API_DECL void ev_timer_stop (EV_P_ ev_timer *w) EV_THROW;
450	/* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */	761	/* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */
451	void ev_timer_again (EV_P_ ev_timer *w);	762	EV_API_DECL void ev_timer_again (EV_P_ ev_timer *w) EV_THROW;
		763	/* return remaining time */
		764	EV_API_DECL ev_tstamp ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW;
452		765
453	#if EV_PERIODIC_ENABLE	766	#if EV_PERIODIC_ENABLE
454	void ev_periodic_start (EV_P_ ev_periodic *w);	767	EV_API_DECL void ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW;
455	void ev_periodic_stop (EV_P_ ev_periodic *w);	768	EV_API_DECL void ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW;
456	void ev_periodic_again (EV_P_ ev_periodic *w);	769	EV_API_DECL void ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW;
457	#endif	770	#endif
458
459	void ev_idle_start (EV_P_ ev_idle *w);
460	void ev_idle_stop (EV_P_ ev_idle *w);
461
462	void ev_prepare_start (EV_P_ ev_prepare *w);
463	void ev_prepare_stop (EV_P_ ev_prepare *w);
464
465	void ev_check_start (EV_P_ ev_check *w);
466	void ev_check_stop (EV_P_ ev_check *w);
467		771
468	/* only supported in the default loop */	772	/* only supported in the default loop */
		773	#if EV_SIGNAL_ENABLE
469	void ev_signal_start (EV_P_ ev_signal *w);	774	EV_API_DECL void ev_signal_start (EV_P_ ev_signal *w) EV_THROW;
470	void ev_signal_stop (EV_P_ ev_signal *w);	775	EV_API_DECL void ev_signal_stop (EV_P_ ev_signal *w) EV_THROW;
		776	#endif
471		777
472	/* only supported in the default loop */	778	/* only supported in the default loop */
		779	# if EV_CHILD_ENABLE
473	void ev_child_start (EV_P_ ev_child *w);	780	EV_API_DECL void ev_child_start (EV_P_ ev_child *w) EV_THROW;
474	void ev_child_stop (EV_P_ ev_child *w);	781	EV_API_DECL void ev_child_stop (EV_P_ ev_child *w) EV_THROW;
		782	# endif
		783
		784	# if EV_STAT_ENABLE
		785	EV_API_DECL void ev_stat_start (EV_P_ ev_stat *w) EV_THROW;
		786	EV_API_DECL void ev_stat_stop (EV_P_ ev_stat *w) EV_THROW;
		787	EV_API_DECL void ev_stat_stat (EV_P_ ev_stat *w) EV_THROW;
		788	# endif
		789
		790	# if EV_IDLE_ENABLE
		791	EV_API_DECL void ev_idle_start (EV_P_ ev_idle *w) EV_THROW;
		792	EV_API_DECL void ev_idle_stop (EV_P_ ev_idle *w) EV_THROW;
		793	# endif
		794
		795	#if EV_PREPARE_ENABLE
		796	EV_API_DECL void ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW;
		797	EV_API_DECL void ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW;
		798	#endif
		799
		800	#if EV_CHECK_ENABLE
		801	EV_API_DECL void ev_check_start (EV_P_ ev_check *w) EV_THROW;
		802	EV_API_DECL void ev_check_stop (EV_P_ ev_check *w) EV_THROW;
		803	#endif
		804
		805	# if EV_FORK_ENABLE
		806	EV_API_DECL void ev_fork_start (EV_P_ ev_fork *w) EV_THROW;
		807	EV_API_DECL void ev_fork_stop (EV_P_ ev_fork *w) EV_THROW;
		808	# endif
		809
		810	# if EV_CLEANUP_ENABLE
		811	EV_API_DECL void ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW;
		812	EV_API_DECL void ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW;
		813	# endif
475		814
476	# if EV_EMBED_ENABLE	815	# if EV_EMBED_ENABLE
477	/* only supported when loop to be embedded is in fact embeddable */	816	/* only supported when loop to be embedded is in fact embeddable */
478	void ev_embed_start (EV_P_ ev_embed *w);	817	EV_API_DECL void ev_embed_start (EV_P_ ev_embed *w) EV_THROW;
479	void ev_embed_stop (EV_P_ ev_embed *w);	818	EV_API_DECL void ev_embed_stop (EV_P_ ev_embed *w) EV_THROW;
480	void ev_embed_sweep (EV_P_ ev_embed *w);	819	EV_API_DECL void ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW;
481	# endif
482
483	# if EV_STAT_ENABLE
484	void ev_stat_start (EV_P_ ev_stat *w);
485	void ev_stat_stop (EV_P_ ev_stat *w);
486	void ev_stat_stat (EV_P_ ev_stat *w);
487	# endif
488
489	#endif	820	# endif
490		821
491	#ifdef __cplusplus	822	# if EV_ASYNC_ENABLE
492	}	823	EV_API_DECL void ev_async_start (EV_P_ ev_async *w) EV_THROW;
		824	EV_API_DECL void ev_async_stop (EV_P_ ev_async *w) EV_THROW;
		825	EV_API_DECL void ev_async_send (EV_P_ ev_async *w) EV_THROW;
493	#endif	826	# endif
494		827
		828	#if EV_COMPAT3
		829	#define EVLOOP_NONBLOCK EVRUN_NOWAIT
		830	#define EVLOOP_ONESHOT EVRUN_ONCE
		831	#define EVUNLOOP_CANCEL EVBREAK_CANCEL
		832	#define EVUNLOOP_ONE EVBREAK_ONE
		833	#define EVUNLOOP_ALL EVBREAK_ALL
		834	#if EV_PROTOTYPES
		835	EV_INLINE void ev_loop (EV_P_ int flags) { ev_run (EV_A_ flags); }
		836	EV_INLINE void ev_unloop (EV_P_ int how ) { ev_break (EV_A_ how ); }
		837	EV_INLINE void ev_default_destroy (void) { ev_loop_destroy (EV_DEFAULT); }
		838	EV_INLINE void ev_default_fork (void) { ev_loop_fork (EV_DEFAULT); }
		839	#if EV_FEATURE_API
		840	EV_INLINE unsigned int ev_loop_count (EV_P) { return ev_iteration (EV_A); }
		841	EV_INLINE unsigned int ev_loop_depth (EV_P) { return ev_depth (EV_A); }
		842	EV_INLINE void ev_loop_verify (EV_P) { ev_verify (EV_A); }
		843	#endif
495	#endif	844	#endif
		845	#else
		846	typedef struct ev_loop ev_loop;
		847	#endif
496		848
		849	#endif
		850
		851	EV_CPP(})
		852
		853	#endif
		854

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Comparing libev/ev.h (file contents): Revision 1.69 by root, Mon Nov 26 19:49:36 2007 UTC vs. Revision 1.184 by root, Sun Dec 20 01:35:55 2015 UTC

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Comparing libev/ev.h (file contents):
Revision 1.69 by root, Mon Nov 26 19:49:36 2007 UTC vs.
Revision 1.184 by root, Sun Dec 20 01:35:55 2015 UTC