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

Comparing libev/ev.h (file contents):
Revision 1.131 by root, Mon Jan 18 13:31:42 2010 UTC vs.
Revision 1.166 by root, Mon Apr 2 23:46:11 2012 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) 2007,2008,2009,2010,2011,2012 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,
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	# define EV_CPP(x) x
		45	#else
		46	# define EV_CPP(x)
		47	#endif
		48
44	extern "C" {	49	EV_CPP(extern "C" {)
		50
		51	/*****************************************************************************/
		52
		53	/* pre-4.0 compatibility */
		54	#ifndef EV_COMPAT3
		55	# define EV_COMPAT3 1
		56	#endif
		57
		58	#ifndef EV_FEATURES
		59	# if defined __OPTIMIZE_SIZE__
		60	# define EV_FEATURES 0x7c
		61	# else
		62	# define EV_FEATURES 0x7f
45	#endif	63	# endif
		64	#endif
46		65
47	typedef double ev_tstamp;	66	#define EV_FEATURE_CODE ((EV_FEATURES) & 1)
		67	#define EV_FEATURE_DATA ((EV_FEATURES) & 2)
		68	#define EV_FEATURE_CONFIG ((EV_FEATURES) & 4)
		69	#define EV_FEATURE_API ((EV_FEATURES) & 8)
		70	#define EV_FEATURE_WATCHERS ((EV_FEATURES) & 16)
		71	#define EV_FEATURE_BACKENDS ((EV_FEATURES) & 32)
		72	#define EV_FEATURE_OS ((EV_FEATURES) & 64)
48		73
49	/* these priorities are inclusive, higher priorities will be called earlier */	74	/* these priorities are inclusive, higher priorities will be invoked earlier */
50	#ifndef EV_MINPRI	75	#ifndef EV_MINPRI
51	# define EV_MINPRI -2	76	# define EV_MINPRI (EV_FEATURE_CONFIG ? -2 : 0)
52	#endif	77	#endif
53	#ifndef EV_MAXPRI	78	#ifndef EV_MAXPRI
54	# define EV_MAXPRI +2	79	# define EV_MAXPRI (EV_FEATURE_CONFIG ? +2 : 0)
55	#endif	80	#endif
56		81
57	#ifndef EV_MULTIPLICITY	82	#ifndef EV_MULTIPLICITY
58	# define EV_MULTIPLICITY 1	83	# define EV_MULTIPLICITY EV_FEATURE_CONFIG
59	#endif	84	#endif
60		85
61	#ifndef EV_PERIODIC_ENABLE	86	#ifndef EV_PERIODIC_ENABLE
62	# define EV_PERIODIC_ENABLE 1	87	# define EV_PERIODIC_ENABLE EV_FEATURE_WATCHERS
63	#endif	88	#endif
64		89
65	#ifndef EV_STAT_ENABLE	90	#ifndef EV_STAT_ENABLE
66	# define EV_STAT_ENABLE 1	91	# define EV_STAT_ENABLE EV_FEATURE_WATCHERS
		92	#endif
		93
		94	#ifndef EV_PREPARE_ENABLE
		95	# define EV_PREPARE_ENABLE EV_FEATURE_WATCHERS
		96	#endif
		97
		98	#ifndef EV_CHECK_ENABLE
		99	# define EV_CHECK_ENABLE EV_FEATURE_WATCHERS
67	#endif	100	#endif
68		101
69	#ifndef EV_IDLE_ENABLE	102	#ifndef EV_IDLE_ENABLE
70	# define EV_IDLE_ENABLE 1	103	# define EV_IDLE_ENABLE EV_FEATURE_WATCHERS
71	#endif	104	#endif
72		105
73	#ifndef EV_FORK_ENABLE	106	#ifndef EV_FORK_ENABLE
		107	# define EV_FORK_ENABLE EV_FEATURE_WATCHERS
		108	#endif
		109
		110	#ifndef EV_CLEANUP_ENABLE
		111	# define EV_CLEANUP_ENABLE EV_FEATURE_WATCHERS
		112	#endif
		113
		114	#ifndef EV_SIGNAL_ENABLE
		115	# define EV_SIGNAL_ENABLE EV_FEATURE_WATCHERS
		116	#endif
		117
		118	#ifndef EV_CHILD_ENABLE
		119	# ifdef _WIN32
74	# define EV_FORK_ENABLE 1	120	# define EV_CHILD_ENABLE 0
		121	# else
		122	# define EV_CHILD_ENABLE EV_FEATURE_WATCHERS
		123	#endif
		124	#endif
		125
		126	#ifndef EV_ASYNC_ENABLE
		127	# define EV_ASYNC_ENABLE EV_FEATURE_WATCHERS
75	#endif	128	#endif
76		129
77	#ifndef EV_EMBED_ENABLE	130	#ifndef EV_EMBED_ENABLE
78	# define EV_EMBED_ENABLE 1	131	# define EV_EMBED_ENABLE EV_FEATURE_WATCHERS
79	#endif
80
81	#ifndef EV_ASYNC_ENABLE
82	# define EV_ASYNC_ENABLE 1
83	#endif	132	#endif
84		133
85	#ifndef EV_WALK_ENABLE	134	#ifndef EV_WALK_ENABLE
86	# define EV_WALK_ENABLE 0 /* not yet */	135	# define EV_WALK_ENABLE 0 /* not yet */
87	#endif	136	#endif
		137
		138	/*****************************************************************************/
		139
		140	#if EV_CHILD_ENABLE && !EV_SIGNAL_ENABLE
		141	# undef EV_SIGNAL_ENABLE
		142	# define EV_SIGNAL_ENABLE 1
		143	#endif
		144
		145	/*****************************************************************************/
		146
		147	typedef double ev_tstamp;
88		148
89	#ifndef EV_ATOMIC_T	149	#ifndef EV_ATOMIC_T
90	# include <signal.h>	150	# include <signal.h>
91	# define EV_ATOMIC_T sig_atomic_t volatile	151	# define EV_ATOMIC_T sig_atomic_t volatile
92	#endif	152	#endif
93
94	/*****************************************************************************/
95		153
96	#if EV_STAT_ENABLE	154	#if EV_STAT_ENABLE
97	# ifdef _WIN32	155	# ifdef _WIN32
98	# include <time.h>	156	# include <time.h>
99	# include <sys/types.h>	157	# include <sys/types.h>
…		…
102	#endif	160	#endif
103		161
104	/* support multiple event loops? */	162	/* support multiple event loops? */
105	#if EV_MULTIPLICITY	163	#if EV_MULTIPLICITY
106	struct ev_loop;	164	struct ev_loop;
107	# define EV_P struct ev_loop *loop	165	# define EV_P struct ev_loop loop / a loop as sole parameter in a declaration */
108	# define EV_P_ EV_P,	166	# define EV_P_ EV_P, /* a loop as first of multiple parameters */
109	# define EV_A loop	167	# define EV_A loop /* a loop as sole argument to a function call */
110	# define EV_A_ EV_A,	168	# define EV_A_ EV_A, /* a loop as first of multiple arguments */
111	# define EV_DEFAULT_UC ev_default_loop_uc ()	169	# define EV_DEFAULT_UC ev_default_loop_uc_ () /* the default loop, if initialised, as sole arg */
112	# define EV_DEFAULT_UC_ EV_DEFAULT_UC,	170	# define EV_DEFAULT_UC_ EV_DEFAULT_UC, /* the default loop as first of multiple arguments */
113	# define EV_DEFAULT ev_default_loop (0)	171	# define EV_DEFAULT ev_default_loop (0) /* the default loop as sole arg */
114	# define EV_DEFAULT_ EV_DEFAULT,	172	# define EV_DEFAULT_ EV_DEFAULT, /* the default loop as first of multiple arguments */
115	#else	173	#else
116	# define EV_P void	174	# define EV_P void
117	# define EV_P_	175	# define EV_P_
118	# define EV_A	176	# define EV_A
119	# define EV_A_	177	# define EV_A_
…		…
122	# define EV_DEFAULT_UC	180	# define EV_DEFAULT_UC
123	# define EV_DEFAULT_UC_	181	# define EV_DEFAULT_UC_
124	# undef EV_EMBED_ENABLE	182	# undef EV_EMBED_ENABLE
125	#endif	183	#endif
126		184
		185	/* EV_INLINE is used for functions in header files */
127	#if __STDC_VERSION__ >= 199901L \|\| __GNUC__ >= 3	186	#if __STDC_VERSION__ >= 199901L \|\| __GNUC__ >= 3
128	# define EV_INLINE static inline	187	# define EV_INLINE static inline
129	#else	188	#else
130	# define EV_INLINE static	189	# define EV_INLINE static
131	#endif	190	#endif
132		191
		192	#ifdef EV_API_STATIC
		193	# define EV_API_DECL static
		194	#else
		195	# define EV_API_DECL extern
		196	#endif
		197
		198	/* EV_PROTOTYPES can be used to switch of prototype declarations */
		199	#ifndef EV_PROTOTYPES
		200	# define EV_PROTOTYPES 1
		201	#endif
		202
133	/*****************************************************************************/	203	/*****************************************************************************/
134		204
		205	#define EV_VERSION_MAJOR 4
		206	#define EV_VERSION_MINOR 11
		207
135	/* eventmask, revents, events... */	208	/* eventmask, revents, events... */
136	#define EV_UNDEF -1 /* guaranteed to be invalid */	209	enum {
		210	EV_UNDEF = 0xFFFFFFFF, /* guaranteed to be invalid */
137	#define EV_NONE 0x00 /* no events */	211	EV_NONE = 0x00, /* no events */
138	#define EV_READ 0x01 /* ev_io detected read will not block */	212	EV_READ = 0x01, /* ev_io detected read will not block */
139	#define EV_WRITE 0x02 /* ev_io detected write will not block */	213	EV_WRITE = 0x02, /* ev_io detected write will not block */
140	#define EV__IOFDSET 0x80 /* internal use only */	214	EV__IOFDSET = 0x80, /* internal use only */
141	#define EV_IO EV_READ /* alias for type-detection */	215	EV_IO = EV_READ, /* alias for type-detection */
142	#define EV_TIMEOUT 0x00000100 /* timer timed out */	216	EV_TIMER = 0x00000100, /* timer timed out */
143	#define EV_TIMER EV_TIMEOUT /* alias for type-detection */	217	#if EV_COMPAT3
		218	EV_TIMEOUT = EV_TIMER, /* pre 4.0 API compatibility */
		219	#endif
144	#define EV_PERIODIC 0x00000200 /* periodic timer timed out */	220	EV_PERIODIC = 0x00000200, /* periodic timer timed out */
145	#define EV_SIGNAL 0x00000400 /* signal was received */	221	EV_SIGNAL = 0x00000400, /* signal was received */
146	#define EV_CHILD 0x00000800 /* child/pid had status change */	222	EV_CHILD = 0x00000800, /* child/pid had status change */
147	#define EV_STAT 0x00001000 /* stat data changed */	223	EV_STAT = 0x00001000, /* stat data changed */
148	#define EV_IDLE 0x00002000 /* event loop is idling */	224	EV_IDLE = 0x00002000, /* event loop is idling */
149	#define EV_PREPARE 0x00004000 /* event loop about to poll */	225	EV_PREPARE = 0x00004000, /* event loop about to poll */
150	#define EV_CHECK 0x00008000 /* event loop finished poll */	226	EV_CHECK = 0x00008000, /* event loop finished poll */
151	#define EV_EMBED 0x00010000 /* embedded event loop needs sweep */	227	EV_EMBED = 0x00010000, /* embedded event loop needs sweep */
152	#define EV_FORK 0x00020000 /* event loop resumed in child */	228	EV_FORK = 0x00020000, /* event loop resumed in child */
		229	EV_CLEANUP = 0x00040000, /* event loop resumed in child */
153	#define EV_ASYNC 0x00040000 /* async intra-loop signal */	230	EV_ASYNC = 0x00080000, /* async intra-loop signal */
154	#define EV_CUSTOM 0x01000000 /* for use by user code */	231	EV_CUSTOM = 0x01000000, /* for use by user code */
155	#define EV_ERROR 0x80000000 /* sent when an error occurs */	232	EV_ERROR = 0x80000000 /* sent when an error occurs */
		233	};
156		234
157	/* can be used to add custom fields to all watchers, while losing binary compatibility */	235	/* can be used to add custom fields to all watchers, while losing binary compatibility */
158	#ifndef EV_COMMON	236	#ifndef EV_COMMON
159	# define EV_COMMON void *data;	237	# define EV_COMMON void *data;
160	#endif	238	#endif
161	#ifndef EV_PROTOTYPES
162	# define EV_PROTOTYPES 1
163	#endif
164
165	#define EV_VERSION_MAJOR 3
166	#define EV_VERSION_MINOR 9
167		239
168	#ifndef EV_CB_DECLARE	240	#ifndef EV_CB_DECLARE
169	# define EV_CB_DECLARE(type) void (cb)(EV_P_ struct type w, int revents);	241	# define EV_CB_DECLARE(type) void (cb)(EV_P_ struct type w, int revents);
170	#endif	242	#endif
171	#ifndef EV_CB_INVOKE	243	#ifndef EV_CB_INVOKE
172	# define EV_CB_INVOKE(watcher,revents) (watcher)->cb (EV_A_ (watcher), (revents))	244	# define EV_CB_INVOKE(watcher,revents) (watcher)->cb (EV_A_ (watcher), (revents))
173	#endif	245	#endif
		246
		247	/* not official, do not use */
		248	#define EV_CB(type,name) void name (EV_P_ struct ev_ ## type *w, int revents)
174		249
175	/*	250	/*
176	* struct member types:	251	* struct member types:
177	* private: you may look at them, but not change them,	252	* private: you may look at them, but not change them,
178	* and they might not mean anything to you.	253	* and they might not mean anything to you.
…		…
189	* or the array index + 1 in the pendings array.	264	* or the array index + 1 in the pendings array.
190	*/	265	*/
191		266
192	#if EV_MINPRI == EV_MAXPRI	267	#if EV_MINPRI == EV_MAXPRI
193	# define EV_DECL_PRIORITY	268	# define EV_DECL_PRIORITY
194	#else	269	#elif !defined (EV_DECL_PRIORITY)
195	# define EV_DECL_PRIORITY int priority;	270	# define EV_DECL_PRIORITY int priority;
196	#endif	271	#endif
197		272
198	/* shared by all watchers */	273	/* shared by all watchers */
199	#define EV_WATCHER(type) \	274	#define EV_WATCHER(type) \
…		…
329	EV_WATCHER (ev_check)	404	EV_WATCHER (ev_check)
330	} ev_check;	405	} ev_check;
331		406
332	#if EV_FORK_ENABLE	407	#if EV_FORK_ENABLE
333	/* the callback gets invoked before check in the child process when a fork was detected */	408	/* the callback gets invoked before check in the child process when a fork was detected */
		409	/* revent EV_FORK */
334	typedef struct ev_fork	410	typedef struct ev_fork
335	{	411	{
336	EV_WATCHER (ev_fork)	412	EV_WATCHER (ev_fork)
337	} ev_fork;	413	} ev_fork;
		414	#endif
		415
		416	#if EV_CLEANUP_ENABLE
		417	/* is invoked just before the loop gets destroyed */
		418	/* revent EV_CLEANUP */
		419	typedef struct ev_cleanup
		420	{
		421	EV_WATCHER (ev_cleanup)
		422	} ev_cleanup;
338	#endif	423	#endif
339		424
340	#if EV_EMBED_ENABLE	425	#if EV_EMBED_ENABLE
341	/* used to embed an event loop inside another */	426	/* used to embed an event loop inside another */
342	/* the callback gets invoked when the event loop has handled events, and can be 0 */	427	/* the callback gets invoked when the event loop has handled events, and can be 0 */
…		…
350	ev_check check; /* unused */	435	ev_check check; /* unused */
351	ev_timer timer; /* unused */	436	ev_timer timer; /* unused */
352	ev_periodic periodic; /* unused */	437	ev_periodic periodic; /* unused */
353	ev_idle idle; /* unused */	438	ev_idle idle; /* unused */
354	ev_fork fork; /* private */	439	ev_fork fork; /* private */
		440	#if EV_CLEANUP_ENABLE
		441	ev_cleanup cleanup; /* unused */
		442	#endif
355	} ev_embed;	443	} ev_embed;
356	#endif	444	#endif
357		445
358	#if EV_ASYNC_ENABLE	446	#if EV_ASYNC_ENABLE
359	/* invoked when somebody calls ev_async_send on the watcher */	447	/* invoked when somebody calls ev_async_send on the watcher */
…		…
388	struct ev_prepare prepare;	476	struct ev_prepare prepare;
389	struct ev_check check;	477	struct ev_check check;
390	#if EV_FORK_ENABLE	478	#if EV_FORK_ENABLE
391	struct ev_fork fork;	479	struct ev_fork fork;
392	#endif	480	#endif
		481	#if EV_CLEANUP_ENABLE
		482	struct ev_cleanup cleanup;
		483	#endif
393	#if EV_EMBED_ENABLE	484	#if EV_EMBED_ENABLE
394	struct ev_embed embed;	485	struct ev_embed embed;
395	#endif	486	#endif
396	#if EV_ASYNC_ENABLE	487	#if EV_ASYNC_ENABLE
397	struct ev_async async;	488	struct ev_async async;
398	#endif	489	#endif
399	};	490	};
400		491
401	/* bits for ev_default_loop and ev_loop_new */	492	/* flag bits for ev_default_loop and ev_loop_new */
		493	enum {
402	/* the default */	494	/* the default */
403	#define EVFLAG_AUTO 0x00000000U /* not quite a mask */	495	EVFLAG_AUTO = 0x00000000U, /* not quite a mask */
404	/* flag bits */	496	/* flag bits */
405	#define EVFLAG_NOENV 0x01000000U /* do NOT consult environment */	497	EVFLAG_NOENV = 0x01000000U, /* do NOT consult environment */
406	#define EVFLAG_FORKCHECK 0x02000000U /* check for a fork in each iteration */	498	EVFLAG_FORKCHECK = 0x02000000U, /* check for a fork in each iteration */
407	/* debugging/feature disable */	499	/* debugging/feature disable */
408	#define EVFLAG_NOINOTIFY 0x00100000U /* do not attempt to use inotify */	500	EVFLAG_NOINOTIFY = 0x00100000U, /* do not attempt to use inotify */
		501	#if EV_COMPAT3
409	#define EVFLAG_NOSIGFD 0 /* compatibility to pre-3.9 */	502	EVFLAG_NOSIGFD = 0, /* compatibility to pre-3.9 */
		503	#endif
410	#define EVFLAG_SIGNALFD 0x00200000U /* attempt to use signalfd */	504	EVFLAG_SIGNALFD = 0x00200000U, /* attempt to use signalfd */
		505	EVFLAG_NOSIGMASK = 0x00400000U /* avoid modifying the signal mask */
		506	};
		507
411	/* method bits to be ored together */	508	/* method bits to be ored together */
		509	enum {
412	#define EVBACKEND_SELECT 0x00000001U /* about anywhere */	510	EVBACKEND_SELECT = 0x00000001U, /* about anywhere */
413	#define EVBACKEND_POLL 0x00000002U /* !win */	511	EVBACKEND_POLL = 0x00000002U, /* !win */
414	#define EVBACKEND_EPOLL 0x00000004U /* linux */	512	EVBACKEND_EPOLL = 0x00000004U, /* linux */
415	#define EVBACKEND_KQUEUE 0x00000008U /* bsd */	513	EVBACKEND_KQUEUE = 0x00000008U, /* bsd */
416	#define EVBACKEND_DEVPOLL 0x00000010U /* solaris 8 / / NYI */	514	EVBACKEND_DEVPOLL = 0x00000010U, /* solaris 8 / / NYI */
417	#define EVBACKEND_PORT 0x00000020U /* solaris 10 */	515	EVBACKEND_PORT = 0x00000020U, /* solaris 10 */
418	#define EVBACKEND_ALL 0x0000003FU	516	EVBACKEND_ALL = 0x0000003FU, /* all known backends */
		517	EVBACKEND_MASK = 0x0000FFFFU /* all future backends */
		518	};
419		519
420	#if EV_PROTOTYPES	520	#if EV_PROTOTYPES
421	int ev_version_major (void);	521	EV_API_DECL int ev_version_major (void);
422	int ev_version_minor (void);	522	EV_API_DECL int ev_version_minor (void);
423		523
424	unsigned int ev_supported_backends (void);	524	EV_API_DECL unsigned int ev_supported_backends (void);
425	unsigned int ev_recommended_backends (void);	525	EV_API_DECL unsigned int ev_recommended_backends (void);
426	unsigned int ev_embeddable_backends (void);	526	EV_API_DECL unsigned int ev_embeddable_backends (void);
427		527
428	ev_tstamp ev_time (void);	528	EV_API_DECL ev_tstamp ev_time (void);
429	void ev_sleep (ev_tstamp delay); /* sleep for a while */	529	EV_API_DECL void ev_sleep (ev_tstamp delay); /* sleep for a while */
430		530
431	/* Sets the allocation function to use, works like realloc.	531	/* Sets the allocation function to use, works like realloc.
432	* It is used to allocate and free memory.	532	* It is used to allocate and free memory.
433	* If it returns zero when memory needs to be allocated, the library might abort	533	* If it returns zero when memory needs to be allocated, the library might abort
434	* or take some potentially destructive action.	534	* or take some potentially destructive action.
435	* The default is your system realloc function.	535	* The default is your system realloc function.
436	*/	536	*/
437	void ev_set_allocator (void (cb)(void *ptr, long size));	537	EV_API_DECL void ev_set_allocator (void (cb)(void *ptr, long size));
438		538
439	/* set the callback function to call on a	539	/* set the callback function to call on a
440	* retryable syscall error	540	* retryable syscall error
441	* (such as failed select, poll, epoll_wait)	541	* (such as failed select, poll, epoll_wait)
442	*/	542	*/
443	void ev_set_syserr_cb (void (cb)(const char msg));	543	EV_API_DECL void ev_set_syserr_cb (void (cb)(const char msg));
444		544
445	#if EV_MULTIPLICITY	545	#if EV_MULTIPLICITY
		546
		547	/* the default loop is the only one that handles signals and child watchers */
		548	/* you can call this as often as you like */
		549	EV_API_DECL struct ev_loop *ev_default_loop (unsigned int flags EV_CPP (= 0));
		550
		551	#ifdef EV_API_STATIC
		552	EV_API_DECL struct ev_loop *ev_default_loop_ptr;
		553	#endif
		554
446	EV_INLINE struct ev_loop *	555	EV_INLINE struct ev_loop *
447	ev_default_loop_uc (void)	556	ev_default_loop_uc_ (void)
448	{	557	{
449	extern struct ev_loop *ev_default_loop_ptr;	558	extern struct ev_loop *ev_default_loop_ptr;
450		559
451	return ev_default_loop_ptr;	560	return ev_default_loop_ptr;
452	}	561	}
453		562
454	/* the default loop is the only one that handles signals and child watchers */	563	EV_INLINE int
455	/* you can call this as often as you like */	564	ev_is_default_loop (EV_P)
456	EV_INLINE struct ev_loop *
457	ev_default_loop (unsigned int flags)
458	{	565	{
459	struct ev_loop *loop = ev_default_loop_uc ();	566	return EV_A == EV_DEFAULT_UC;
460
461	if (!loop)
462	{
463	extern struct ev_loop *ev_default_loop_init (unsigned int flags);
464
465	loop = ev_default_loop_init (flags);
466	}
467
468	return loop;
469	}	567	}
470		568
471	/* create and destroy alternative loops that don't handle signals */	569	/* create and destroy alternative loops that don't handle signals */
472	struct ev_loop *ev_loop_new (unsigned int flags);	570	EV_API_DECL struct ev_loop *ev_loop_new (unsigned int flags EV_CPP (= 0));
473	void ev_loop_destroy (EV_P);
474	void ev_loop_fork (EV_P);
475		571
476	ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */	572	EV_API_DECL ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */
477		573
478	#else	574	#else
479		575
480	int ev_default_loop (unsigned int flags); /* returns true when successful */	576	EV_API_DECL int ev_default_loop (unsigned int flags EV_CPP (= 0)); /* returns true when successful */
		577
		578	EV_API_DECL ev_tstamp ev_rt_now;
481		579
482	EV_INLINE ev_tstamp	580	EV_INLINE ev_tstamp
483	ev_now (void)	581	ev_now (void)
484	{	582	{
485	extern ev_tstamp ev_rt_now;
486
487	return ev_rt_now;	583	return ev_rt_now;
488	}	584	}
		585
		586	/* looks weird, but ev_is_default_loop (EV_A) still works if this exists */
		587	EV_INLINE int
		588	ev_is_default_loop (void)
		589	{
		590	return 1;
		591	}
		592
489	#endif /* multiplicity */	593	#endif /* multiplicity */
490		594
491	EV_INLINE int	595	/* destroy event loops, also works for the default loop */
492	ev_is_default_loop (EV_P)	596	EV_API_DECL void ev_loop_destroy (EV_P);
493	{
494	#if EV_MULTIPLICITY
495	extern struct ev_loop *ev_default_loop_ptr;
496		597
497	return !!(EV_A == ev_default_loop_ptr);
498	#else
499	return 1;
500	#endif
501	}
502
503	void ev_default_destroy (void); /* destroy the default loop */
504	/* this needs to be called after fork, to duplicate the default loop */	598	/* this needs to be called after fork, to duplicate the loop */
505	/* if you create alternative loops you have to call ev_loop_fork on them */	599	/* when you want to re-use it in the child */
506	/* you can call it in either the parent or the child */	600	/* you can call it in either the parent or the child */
507	/* you can actually call it at any time, anywhere :) */	601	/* you can actually call it at any time, anywhere :) */
508	void ev_default_fork (void);	602	EV_API_DECL void ev_loop_fork (EV_P);
509		603
510	unsigned int ev_backend (EV_P); /* backend in use by loop */	604	EV_API_DECL unsigned int ev_backend (EV_P); /* backend in use by loop */
511		605
512	void ev_now_update (EV_P); /* update event loop time */	606	EV_API_DECL void ev_now_update (EV_P); /* update event loop time */
513		607
514	#if EV_WALK_ENABLE	608	#if EV_WALK_ENABLE
515	/* walk (almost) all watchers in the loop of a given type, invoking the */	609	/* walk (almost) all watchers in the loop of a given type, invoking the */
516	/* callback on every such watcher. The callback might stop the watcher, */	610	/* callback on every such watcher. The callback might stop the watcher, */
517	/* but do nothing else with the loop */	611	/* but do nothing else with the loop */
518	void ev_walk (EV_P_ int types, void (cb)(EV_P_ int type, void w));	612	EV_API_DECL void ev_walk (EV_P_ int types, void (cb)(EV_P_ int type, void w));
519	#endif	613	#endif
520		614
521	#endif /* prototypes */	615	#endif /* prototypes */
522		616
523	#define EVLOOP_NONBLOCK 1 /* do not block/wait */	617	/* ev_run flags values */
524	#define EVLOOP_ONESHOT 2 /* block once only */	618	enum {
525	#define EVUNLOOP_CANCEL 0 /* undo unloop */	619	EVRUN_NOWAIT = 1, /* do not block/wait */
526	#define EVUNLOOP_ONE 1 /* unloop once */	620	EVRUN_ONCE = 2 /* block once only */
		621	};
		622
		623	/* ev_break how values */
		624	enum {
		625	EVBREAK_CANCEL = 0, /* undo unloop */
		626	EVBREAK_ONE = 1, /* unloop once */
527	#define EVUNLOOP_ALL 2 /* unloop all loops */	627	EVBREAK_ALL = 2 /* unloop all loops */
		628	};
528		629
529	#if EV_PROTOTYPES	630	#if EV_PROTOTYPES
530	void ev_loop (EV_P_ int flags);	631	EV_API_DECL int ev_run (EV_P_ int flags EV_CPP (= 0));
531	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 */	632	EV_API_DECL void ev_break (EV_P_ int how EV_CPP (= EVBREAK_ONE)); /* break out of the loop */
532		633
533	/*	634	/*
534	* ref/unref can be used to add or remove a refcount on the mainloop. every watcher	635	* ref/unref can be used to add or remove a refcount on the mainloop. every watcher
535	* keeps one reference. if you have a long-running watcher you never unregister that	636	* keeps one reference. if you have a long-running watcher you never unregister that
536	* should not keep ev_loop from running, unref() after starting, and ref() before stopping.	637	* should not keep ev_loop from running, unref() after starting, and ref() before stopping.
537	*/	638	*/
538	void ev_ref (EV_P);	639	EV_API_DECL void ev_ref (EV_P);
539	void ev_unref (EV_P);	640	EV_API_DECL void ev_unref (EV_P);
540		641
541	/*	642	/*
542	* convenience function, wait for a single event, without registering an event watcher	643	* convenience function, wait for a single event, without registering an event watcher
543	* if timeout is < 0, do wait indefinitely	644	* if timeout is < 0, do wait indefinitely
544	*/	645	*/
545	void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (cb)(int revents, void arg), void *arg);	646	EV_API_DECL void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (cb)(int revents, void arg), void *arg);
546		647
547	# if EV_MINIMAL < 2	648	# if EV_FEATURE_API
548	unsigned int ev_loop_count (EV_P); /* number of loop iterations */	649	EV_API_DECL unsigned int ev_iteration (EV_P); /* number of loop iterations */
549	unsigned int ev_loop_depth (EV_P); /* #ev_loop enters - #ev_loop leaves */	650	EV_API_DECL unsigned int ev_depth (EV_P); /* #ev_loop enters - #ev_loop leaves */
550	void ev_loop_verify (EV_P); /* abort if loop data corrupted */	651	EV_API_DECL void ev_verify (EV_P); /* abort if loop data corrupted */
551		652
552	void ev_set_io_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */	653	EV_API_DECL void ev_set_io_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */
553	void ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */	654	EV_API_DECL void ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */
554		655
555	/* advanced stuff for threading etc. support, see docs */	656	/* advanced stuff for threading etc. support, see docs */
556	void ev_set_userdata (EV_P_ void *data);	657	EV_API_DECL void ev_set_userdata (EV_P_ void *data);
557	void *ev_userdata (EV_P);	658	EV_API_DECL void *ev_userdata (EV_P);
558	void ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P));	659	EV_API_DECL void ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P));
559	void ev_set_loop_release_cb (EV_P_ void (release)(EV_P), void (acquire)(EV_P));	660	EV_API_DECL void ev_set_loop_release_cb (EV_P_ void (release)(EV_P), void (acquire)(EV_P));
560		661
561	unsigned int ev_pending_count (EV_P); /* number of pending events, if any */	662	EV_API_DECL unsigned int ev_pending_count (EV_P); /* number of pending events, if any */
562	void ev_invoke_pending (EV_P); /* invoke all pending watchers */	663	EV_API_DECL void ev_invoke_pending (EV_P); /* invoke all pending watchers */
563		664
564	/*	665	/*
565	* stop/start the timer handling.	666	* stop/start the timer handling.
566	*/	667	*/
567	void ev_suspend (EV_P);	668	EV_API_DECL void ev_suspend (EV_P);
568	void ev_resume (EV_P);	669	EV_API_DECL void ev_resume (EV_P);
569	#endif	670	#endif
570		671
571	#endif	672	#endif
572		673
573	/* these may evaluate ev multiple times, and the other arguments at most once */	674	/* these may evaluate ev multiple times, and the other arguments at most once */
…		…
588	#define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */	689	#define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */
589	#define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */	690	#define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */
590	#define ev_check_set(ev) /* nop, yes, this is a serious in-joke */	691	#define ev_check_set(ev) /* nop, yes, this is a serious in-joke */
591	#define ev_embed_set(ev,other_) do { (ev)->other = (other_); } while (0)	692	#define ev_embed_set(ev,other_) do { (ev)->other = (other_); } while (0)
592	#define ev_fork_set(ev) /* nop, yes, this is a serious in-joke */	693	#define ev_fork_set(ev) /* nop, yes, this is a serious in-joke */
593	#define ev_async_set(ev) do { (ev)->sent = 0; } while (0)	694	#define ev_cleanup_set(ev) /* nop, yes, this is a serious in-joke */
		695	#define ev_async_set(ev) /* nop, yes, this is a serious in-joke */
594		696
595	#define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)	697	#define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)
596	#define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0)	698	#define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0)
597	#define ev_periodic_init(ev,cb,ofs,ival,rcb) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(ofs),(ival),(rcb)); } while (0)	699	#define ev_periodic_init(ev,cb,ofs,ival,rcb) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(ofs),(ival),(rcb)); } while (0)
598	#define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0)	700	#define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0)
…		…
601	#define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0)	703	#define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0)
602	#define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0)	704	#define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0)
603	#define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0)	705	#define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0)
604	#define ev_embed_init(ev,cb,other) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(other)); } while (0)	706	#define ev_embed_init(ev,cb,other) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(other)); } while (0)
605	#define ev_fork_init(ev,cb) do { ev_init ((ev), (cb)); ev_fork_set ((ev)); } while (0)	707	#define ev_fork_init(ev,cb) do { ev_init ((ev), (cb)); ev_fork_set ((ev)); } while (0)
		708	#define ev_cleanup_init(ev,cb) do { ev_init ((ev), (cb)); ev_cleanup_set ((ev)); } while (0)
606	#define ev_async_init(ev,cb) do { ev_init ((ev), (cb)); ev_async_set ((ev)); } while (0)	709	#define ev_async_init(ev,cb) do { ev_init ((ev), (cb)); ev_async_set ((ev)); } while (0)
607		710
608	#define ev_is_pending(ev) (0 + ((ev_watcher )(void )(ev))->pending) /* ro, true when watcher is waiting for callback invocation */	711	#define ev_is_pending(ev) (0 + ((ev_watcher )(void )(ev))->pending) /* ro, true when watcher is waiting for callback invocation */
609	#define ev_is_active(ev) (0 + ((ev_watcher )(void )(ev))->active) /* ro, true when the watcher has been started */	712	#define ev_is_active(ev) (0 + ((ev_watcher )(void )(ev))->active) /* ro, true when the watcher has been started */
610		713
…		…
626		729
627	/* stopping (enabling, adding) a watcher does nothing if it is already running */	730	/* stopping (enabling, adding) a watcher does nothing if it is already running */
628	/* stopping (disabling, deleting) a watcher does nothing unless its already running */	731	/* stopping (disabling, deleting) a watcher does nothing unless its already running */
629	#if EV_PROTOTYPES	732	#if EV_PROTOTYPES
630		733
631	/* feeds an event into a watcher as if the event actually occured */	734	/* feeds an event into a watcher as if the event actually occurred */
632	/* accepts any ev_watcher type */	735	/* accepts any ev_watcher type */
633	void ev_feed_event (EV_P_ void *w, int revents);	736	EV_API_DECL void ev_feed_event (EV_P_ void *w, int revents);
634	void ev_feed_fd_event (EV_P_ int fd, int revents);	737	EV_API_DECL void ev_feed_fd_event (EV_P_ int fd, int revents);
		738	#if EV_SIGNAL_ENABLE
		739	EV_API_DECL void ev_feed_signal (int signum);
635	void ev_feed_signal_event (EV_P_ int signum);	740	EV_API_DECL void ev_feed_signal_event (EV_P_ int signum);
		741	#endif
636	void ev_invoke (EV_P_ void *w, int revents);	742	EV_API_DECL void ev_invoke (EV_P_ void *w, int revents);
637	int ev_clear_pending (EV_P_ void *w);	743	EV_API_DECL int ev_clear_pending (EV_P_ void *w);
638		744
639	void ev_io_start (EV_P_ ev_io *w);	745	EV_API_DECL void ev_io_start (EV_P_ ev_io *w);
640	void ev_io_stop (EV_P_ ev_io *w);	746	EV_API_DECL void ev_io_stop (EV_P_ ev_io *w);
641		747
642	void ev_timer_start (EV_P_ ev_timer *w);	748	EV_API_DECL void ev_timer_start (EV_P_ ev_timer *w);
643	void ev_timer_stop (EV_P_ ev_timer *w);	749	EV_API_DECL void ev_timer_stop (EV_P_ ev_timer *w);
644	/* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */	750	/* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */
645	void ev_timer_again (EV_P_ ev_timer *w);	751	EV_API_DECL void ev_timer_again (EV_P_ ev_timer *w);
646	/* return remaining time */	752	/* return remaining time */
647	ev_tstamp ev_timer_remaining (EV_P_ ev_timer *w);	753	EV_API_DECL ev_tstamp ev_timer_remaining (EV_P_ ev_timer *w);
648		754
649	#if EV_PERIODIC_ENABLE	755	#if EV_PERIODIC_ENABLE
650	void ev_periodic_start (EV_P_ ev_periodic *w);	756	EV_API_DECL void ev_periodic_start (EV_P_ ev_periodic *w);
651	void ev_periodic_stop (EV_P_ ev_periodic *w);	757	EV_API_DECL void ev_periodic_stop (EV_P_ ev_periodic *w);
652	void ev_periodic_again (EV_P_ ev_periodic *w);	758	EV_API_DECL void ev_periodic_again (EV_P_ ev_periodic *w);
653	#endif	759	#endif
654		760
655	/* only supported in the default loop */	761	/* only supported in the default loop */
		762	#if EV_SIGNAL_ENABLE
656	void ev_signal_start (EV_P_ ev_signal *w);	763	EV_API_DECL void ev_signal_start (EV_P_ ev_signal *w);
657	void ev_signal_stop (EV_P_ ev_signal *w);	764	EV_API_DECL void ev_signal_stop (EV_P_ ev_signal *w);
		765	#endif
658		766
659	/* only supported in the default loop */	767	/* only supported in the default loop */
		768	# if EV_CHILD_ENABLE
660	void ev_child_start (EV_P_ ev_child *w);	769	EV_API_DECL void ev_child_start (EV_P_ ev_child *w);
661	void ev_child_stop (EV_P_ ev_child *w);	770	EV_API_DECL void ev_child_stop (EV_P_ ev_child *w);
		771	# endif
662		772
663	# if EV_STAT_ENABLE	773	# if EV_STAT_ENABLE
664	void ev_stat_start (EV_P_ ev_stat *w);	774	EV_API_DECL void ev_stat_start (EV_P_ ev_stat *w);
665	void ev_stat_stop (EV_P_ ev_stat *w);	775	EV_API_DECL void ev_stat_stop (EV_P_ ev_stat *w);
666	void ev_stat_stat (EV_P_ ev_stat *w);	776	EV_API_DECL void ev_stat_stat (EV_P_ ev_stat *w);
667	# endif	777	# endif
668		778
669	# if EV_IDLE_ENABLE	779	# if EV_IDLE_ENABLE
670	void ev_idle_start (EV_P_ ev_idle *w);	780	EV_API_DECL void ev_idle_start (EV_P_ ev_idle *w);
671	void ev_idle_stop (EV_P_ ev_idle *w);	781	EV_API_DECL void ev_idle_stop (EV_P_ ev_idle *w);
		782	# endif
		783
		784	#if EV_PREPARE_ENABLE
		785	EV_API_DECL void ev_prepare_start (EV_P_ ev_prepare *w);
		786	EV_API_DECL void ev_prepare_stop (EV_P_ ev_prepare *w);
672	# endif	787	#endif
673		788
674	void ev_prepare_start (EV_P_ ev_prepare *w);	789	#if EV_CHECK_ENABLE
675	void ev_prepare_stop (EV_P_ ev_prepare *w);
676
677	void ev_check_start (EV_P_ ev_check *w);	790	EV_API_DECL void ev_check_start (EV_P_ ev_check *w);
678	void ev_check_stop (EV_P_ ev_check *w);	791	EV_API_DECL void ev_check_stop (EV_P_ ev_check *w);
		792	#endif
679		793
680	# if EV_FORK_ENABLE	794	# if EV_FORK_ENABLE
681	void ev_fork_start (EV_P_ ev_fork *w);	795	EV_API_DECL void ev_fork_start (EV_P_ ev_fork *w);
682	void ev_fork_stop (EV_P_ ev_fork *w);	796	EV_API_DECL void ev_fork_stop (EV_P_ ev_fork *w);
		797	# endif
		798
		799	# if EV_CLEANUP_ENABLE
		800	EV_API_DECL void ev_cleanup_start (EV_P_ ev_cleanup *w);
		801	EV_API_DECL void ev_cleanup_stop (EV_P_ ev_cleanup *w);
683	# endif	802	# endif
684		803
685	# if EV_EMBED_ENABLE	804	# if EV_EMBED_ENABLE
686	/* only supported when loop to be embedded is in fact embeddable */	805	/* only supported when loop to be embedded is in fact embeddable */
687	void ev_embed_start (EV_P_ ev_embed *w);	806	EV_API_DECL void ev_embed_start (EV_P_ ev_embed *w);
688	void ev_embed_stop (EV_P_ ev_embed *w);	807	EV_API_DECL void ev_embed_stop (EV_P_ ev_embed *w);
689	void ev_embed_sweep (EV_P_ ev_embed *w);	808	EV_API_DECL void ev_embed_sweep (EV_P_ ev_embed *w);
690	# endif	809	# endif
691		810
692	# if EV_ASYNC_ENABLE	811	# if EV_ASYNC_ENABLE
693	void ev_async_start (EV_P_ ev_async *w);	812	EV_API_DECL void ev_async_start (EV_P_ ev_async *w);
694	void ev_async_stop (EV_P_ ev_async *w);	813	EV_API_DECL void ev_async_stop (EV_P_ ev_async *w);
695	void ev_async_send (EV_P_ ev_async *w);	814	EV_API_DECL void ev_async_send (EV_P_ ev_async *w);
696	# endif
697
698	#endif	815	# endif
699		816
700	#ifdef __cplusplus	817	#if EV_COMPAT3
701	}	818	#define EVLOOP_NONBLOCK EVRUN_NOWAIT
		819	#define EVLOOP_ONESHOT EVRUN_ONCE
		820	#define EVUNLOOP_CANCEL EVBREAK_CANCEL
		821	#define EVUNLOOP_ONE EVBREAK_ONE
		822	#define EVUNLOOP_ALL EVBREAK_ALL
		823	#if EV_PROTOTYPES
		824	EV_INLINE void ev_loop (EV_P_ int flags) { ev_run (EV_A_ flags); }
		825	EV_INLINE void ev_unloop (EV_P_ int how ) { ev_break (EV_A_ how ); }
		826	EV_INLINE void ev_default_destroy (void) { ev_loop_destroy (EV_DEFAULT); }
		827	EV_INLINE void ev_default_fork (void) { ev_loop_fork (EV_DEFAULT); }
		828	#if EV_FEATURE_API
		829	EV_INLINE unsigned int ev_loop_count (EV_P) { return ev_iteration (EV_A); }
		830	EV_INLINE unsigned int ev_loop_depth (EV_P) { return ev_depth (EV_A); }
		831	EV_INLINE void ev_loop_verify (EV_P) { ev_verify (EV_A); }
		832	#endif
702	#endif	833	#endif
703		834	#else
		835	typedef struct ev_loop ev_loop;
704	#endif	836	#endif
705		837
		838	#endif
		839
		840	EV_CPP(})
		841
		842	#endif
		843

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Comparing libev/ev.h (file contents): Revision 1.131 by root, Mon Jan 18 13:31:42 2010 UTC vs. Revision 1.166 by root, Mon Apr 2 23:46:11 2012 UTC

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Comparing libev/ev.h (file contents):
Revision 1.131 by root, Mon Jan 18 13:31:42 2010 UTC vs.
Revision 1.166 by root, Mon Apr 2 23:46:11 2012 UTC