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

Comparing libev/ev.h (file contents):
Revision 1.133 by root, Wed Mar 10 09:23:07 2010 UTC vs.
Revision 1.160 by root, Wed Feb 16 08:07:25 2011 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 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" {)
45	#endif
46		50
47	typedef double ev_tstamp;	51	/*****************************************************************************/
48		52
		53	/* pre-4.0 compatibility */
		54	#ifndef EV_COMPAT3
		55	# define EV_COMPAT3 1
		56	#endif
		57
		58	#ifndef EV_FEATURES
		59	# define EV_FEATURES 0x7f
		60	#endif
		61
		62	#define EV_FEATURE_CODE ((EV_FEATURES) & 1)
		63	#define EV_FEATURE_DATA ((EV_FEATURES) & 2)
		64	#define EV_FEATURE_CONFIG ((EV_FEATURES) & 4)
		65	#define EV_FEATURE_API ((EV_FEATURES) & 8)
		66	#define EV_FEATURE_WATCHERS ((EV_FEATURES) & 16)
		67	#define EV_FEATURE_BACKENDS ((EV_FEATURES) & 32)
		68	#define EV_FEATURE_OS ((EV_FEATURES) & 64)
		69
49	/* these priorities are inclusive, higher priorities will be called earlier */	70	/* these priorities are inclusive, higher priorities will be invoked earlier */
50	#ifndef EV_MINPRI	71	#ifndef EV_MINPRI
51	# define EV_MINPRI -2	72	# define EV_MINPRI (EV_FEATURE_CONFIG ? -2 : 0)
52	#endif	73	#endif
53	#ifndef EV_MAXPRI	74	#ifndef EV_MAXPRI
54	# define EV_MAXPRI +2	75	# define EV_MAXPRI (EV_FEATURE_CONFIG ? +2 : 0)
55	#endif	76	#endif
56		77
57	#ifndef EV_MULTIPLICITY	78	#ifndef EV_MULTIPLICITY
58	# define EV_MULTIPLICITY 1	79	# define EV_MULTIPLICITY EV_FEATURE_CONFIG
59	#endif	80	#endif
60		81
61	#ifndef EV_PERIODIC_ENABLE	82	#ifndef EV_PERIODIC_ENABLE
62	# define EV_PERIODIC_ENABLE 1	83	# define EV_PERIODIC_ENABLE EV_FEATURE_WATCHERS
63	#endif	84	#endif
64		85
65	#ifndef EV_STAT_ENABLE	86	#ifndef EV_STAT_ENABLE
66	# define EV_STAT_ENABLE 1	87	# define EV_STAT_ENABLE EV_FEATURE_WATCHERS
67	#endif	88	#endif
68		89
69	#ifndef EV_PREPARE_ENABLE	90	#ifndef EV_PREPARE_ENABLE
70	# define EV_PREPARE_ENABLE 1	91	# define EV_PREPARE_ENABLE EV_FEATURE_WATCHERS
71	#endif	92	#endif
72		93
73	#ifndef EV_CHECK_ENABLE	94	#ifndef EV_CHECK_ENABLE
74	# define EV_CHECK_ENABLE 1	95	# define EV_CHECK_ENABLE EV_FEATURE_WATCHERS
75	#endif	96	#endif
76		97
77	#ifndef EV_IDLE_ENABLE	98	#ifndef EV_IDLE_ENABLE
78	# define EV_IDLE_ENABLE 1	99	# define EV_IDLE_ENABLE EV_FEATURE_WATCHERS
79	#endif	100	#endif
80		101
81	#ifndef EV_FORK_ENABLE	102	#ifndef EV_FORK_ENABLE
82	# define EV_FORK_ENABLE 1	103	# define EV_FORK_ENABLE EV_FEATURE_WATCHERS
		104	#endif
		105
		106	#ifndef EV_CLEANUP_ENABLE
		107	# define EV_CLEANUP_ENABLE EV_FEATURE_WATCHERS
83	#endif	108	#endif
84		109
85	#ifndef EV_SIGNAL_ENABLE	110	#ifndef EV_SIGNAL_ENABLE
86	# define EV_SIGNAL_ENABLE 1	111	# define EV_SIGNAL_ENABLE EV_FEATURE_WATCHERS
87	#endif	112	#endif
88		113
89	#ifndef EV_CHILD_ENABLE	114	#ifndef EV_CHILD_ENABLE
90	# ifdef _WIN32	115	# ifdef _WIN32
91	# define EV_CHILD_ENABLE 0	116	# define EV_CHILD_ENABLE 0
92	# else	117	# else
93	# define EV_CHILD_ENABLE 1	118	# define EV_CHILD_ENABLE EV_FEATURE_WATCHERS
94	#endif	119	#endif
95	#endif	120	#endif
96		121
97	#ifndef EV_ASYNC_ENABLE	122	#ifndef EV_ASYNC_ENABLE
98	# define EV_ASYNC_ENABLE 1	123	# define EV_ASYNC_ENABLE EV_FEATURE_WATCHERS
99	#endif	124	#endif
100		125
101	#ifndef EV_EMBED_ENABLE	126	#ifndef EV_EMBED_ENABLE
102	# define EV_EMBED_ENABLE 1	127	# define EV_EMBED_ENABLE EV_FEATURE_WATCHERS
103	#endif	128	#endif
104		129
105	#ifndef EV_WALK_ENABLE	130	#ifndef EV_WALK_ENABLE
106	# define EV_WALK_ENABLE 0 /* not yet */	131	# define EV_WALK_ENABLE 0 /* not yet */
107	#endif	132	#endif
		133
		134	/*****************************************************************************/
		135
		136	#if EV_CHILD_ENABLE && !EV_SIGNAL_ENABLE
		137	# undef EV_SIGNAL_ENABLE
		138	# define EV_SIGNAL_ENABLE 1
		139	#endif
		140
		141	/*****************************************************************************/
		142
		143	typedef double ev_tstamp;
108		144
109	#ifndef EV_ATOMIC_T	145	#ifndef EV_ATOMIC_T
110	# include <signal.h>	146	# include <signal.h>
111	# define EV_ATOMIC_T sig_atomic_t volatile	147	# define EV_ATOMIC_T sig_atomic_t volatile
112	#endif
113
114	/*****************************************************************************/
115
116	#if EV_CHILD_ENABLE && !EV_SIGNAL_ENABLE
117	# undef EV_SIGNAL_ENABLE
118	# define EV_SIGNAL_ENABLE 1
119	#endif	148	#endif
120		149
121	#if EV_STAT_ENABLE	150	#if EV_STAT_ENABLE
122	# ifdef _WIN32	151	# ifdef _WIN32
123	# include <time.h>	152	# include <time.h>
…		…
127	#endif	156	#endif
128		157
129	/* support multiple event loops? */	158	/* support multiple event loops? */
130	#if EV_MULTIPLICITY	159	#if EV_MULTIPLICITY
131	struct ev_loop;	160	struct ev_loop;
132	# define EV_P struct ev_loop *loop	161	# define EV_P struct ev_loop loop / a loop as sole parameter in a declaration */
133	# define EV_P_ EV_P,	162	# define EV_P_ EV_P, /* a loop as first of multiple parameters */
134	# define EV_A loop	163	# define EV_A loop /* a loop as sole argument to a function call */
135	# define EV_A_ EV_A,	164	# define EV_A_ EV_A, /* a loop as first of multiple arguments */
136	# define EV_DEFAULT_UC ev_default_loop_uc ()	165	# define EV_DEFAULT_UC ev_default_loop_uc_ () /* the default loop, if initialised, as sole arg */
137	# define EV_DEFAULT_UC_ EV_DEFAULT_UC,	166	# define EV_DEFAULT_UC_ EV_DEFAULT_UC, /* the default loop as first of multiple arguments */
138	# define EV_DEFAULT ev_default_loop (0)	167	# define EV_DEFAULT ev_default_loop (0) /* the default loop as sole arg */
139	# define EV_DEFAULT_ EV_DEFAULT,	168	# define EV_DEFAULT_ EV_DEFAULT, /* the default loop as first of multiple arguments */
140	#else	169	#else
141	# define EV_P void	170	# define EV_P void
142	# define EV_P_	171	# define EV_P_
143	# define EV_A	172	# define EV_A
144	# define EV_A_	173	# define EV_A_
…		…
147	# define EV_DEFAULT_UC	176	# define EV_DEFAULT_UC
148	# define EV_DEFAULT_UC_	177	# define EV_DEFAULT_UC_
149	# undef EV_EMBED_ENABLE	178	# undef EV_EMBED_ENABLE
150	#endif	179	#endif
151		180
		181	/* EV_INLINE is used for functions in header files */
152	#if __STDC_VERSION__ >= 199901L \|\| __GNUC__ >= 3	182	#if __STDC_VERSION__ >= 199901L \|\| __GNUC__ >= 3
153	# define EV_INLINE static inline	183	# define EV_INLINE static inline
154	#else	184	#else
155	# define EV_INLINE static	185	# define EV_INLINE static
156	#endif	186	#endif
157		187
		188	/* EV_PROTOTYPES can be used to switch of prototype declarations */
		189	#ifndef EV_PROTOTYPES
		190	# define EV_PROTOTYPES 1
		191	#endif
		192
158	/*****************************************************************************/	193	/*****************************************************************************/
159		194
		195	#define EV_VERSION_MAJOR 4
		196	#define EV_VERSION_MINOR 4
		197
160	/* eventmask, revents, events... */	198	/* eventmask, revents, events... */
161	#define EV_UNDEF -1 /* guaranteed to be invalid */	199	enum {
		200	EV_UNDEF = 0xFFFFFFFF, /* guaranteed to be invalid */
162	#define EV_NONE 0x00 /* no events */	201	EV_NONE = 0x00, /* no events */
163	#define EV_READ 0x01 /* ev_io detected read will not block */	202	EV_READ = 0x01, /* ev_io detected read will not block */
164	#define EV_WRITE 0x02 /* ev_io detected write will not block */	203	EV_WRITE = 0x02, /* ev_io detected write will not block */
165	#define EV__IOFDSET 0x80 /* internal use only */	204	EV__IOFDSET = 0x80, /* internal use only */
166	#define EV_IO EV_READ /* alias for type-detection */	205	EV_IO = EV_READ, /* alias for type-detection */
167	#define EV_TIMEOUT 0x00000100 /* timer timed out */	206	EV_TIMER = 0x00000100, /* timer timed out */
168	#define EV_TIMER EV_TIMEOUT /* alias for type-detection */	207	#if EV_COMPAT3
		208	EV_TIMEOUT = EV_TIMER, /* pre 4.0 API compatibility */
		209	#endif
169	#define EV_PERIODIC 0x00000200 /* periodic timer timed out */	210	EV_PERIODIC = 0x00000200, /* periodic timer timed out */
170	#define EV_SIGNAL 0x00000400 /* signal was received */	211	EV_SIGNAL = 0x00000400, /* signal was received */
171	#define EV_CHILD 0x00000800 /* child/pid had status change */	212	EV_CHILD = 0x00000800, /* child/pid had status change */
172	#define EV_STAT 0x00001000 /* stat data changed */	213	EV_STAT = 0x00001000, /* stat data changed */
173	#define EV_IDLE 0x00002000 /* event loop is idling */	214	EV_IDLE = 0x00002000, /* event loop is idling */
174	#define EV_PREPARE 0x00004000 /* event loop about to poll */	215	EV_PREPARE = 0x00004000, /* event loop about to poll */
175	#define EV_CHECK 0x00008000 /* event loop finished poll */	216	EV_CHECK = 0x00008000, /* event loop finished poll */
176	#define EV_EMBED 0x00010000 /* embedded event loop needs sweep */	217	EV_EMBED = 0x00010000, /* embedded event loop needs sweep */
177	#define EV_FORK 0x00020000 /* event loop resumed in child */	218	EV_FORK = 0x00020000, /* event loop resumed in child */
		219	EV_CLEANUP = 0x00040000, /* event loop resumed in child */
178	#define EV_ASYNC 0x00040000 /* async intra-loop signal */	220	EV_ASYNC = 0x00080000, /* async intra-loop signal */
179	#define EV_CUSTOM 0x01000000 /* for use by user code */	221	EV_CUSTOM = 0x01000000, /* for use by user code */
180	#define EV_ERROR 0x80000000 /* sent when an error occurs */	222	EV_ERROR = 0x80000000 /* sent when an error occurs */
		223	};
181		224
182	/* can be used to add custom fields to all watchers, while losing binary compatibility */	225	/* can be used to add custom fields to all watchers, while losing binary compatibility */
183	#ifndef EV_COMMON	226	#ifndef EV_COMMON
184	# define EV_COMMON void *data;	227	# define EV_COMMON void *data;
185	#endif	228	#endif
186	#ifndef EV_PROTOTYPES
187	# define EV_PROTOTYPES 1
188	#endif
189
190	#define EV_VERSION_MAJOR 3
191	#define EV_VERSION_MINOR 9
192		229
193	#ifndef EV_CB_DECLARE	230	#ifndef EV_CB_DECLARE
194	# define EV_CB_DECLARE(type) void (cb)(EV_P_ struct type w, int revents);	231	# define EV_CB_DECLARE(type) void (cb)(EV_P_ struct type w, int revents);
195	#endif	232	#endif
196	#ifndef EV_CB_INVOKE	233	#ifndef EV_CB_INVOKE
197	# define EV_CB_INVOKE(watcher,revents) (watcher)->cb (EV_A_ (watcher), (revents))	234	# define EV_CB_INVOKE(watcher,revents) (watcher)->cb (EV_A_ (watcher), (revents))
198	#endif	235	#endif
		236
		237	/* not official, do not use */
		238	#define EV_CB(type,name) void name (EV_P_ struct ev_ ## type *w, int revents)
199		239
200	/*	240	/*
201	* struct member types:	241	* struct member types:
202	* private: you may look at them, but not change them,	242	* private: you may look at them, but not change them,
203	* and they might not mean anything to you.	243	* and they might not mean anything to you.
…		…
214	* or the array index + 1 in the pendings array.	254	* or the array index + 1 in the pendings array.
215	*/	255	*/
216		256
217	#if EV_MINPRI == EV_MAXPRI	257	#if EV_MINPRI == EV_MAXPRI
218	# define EV_DECL_PRIORITY	258	# define EV_DECL_PRIORITY
219	#else	259	#elif !defined (EV_DECL_PRIORITY)
220	# define EV_DECL_PRIORITY int priority;	260	# define EV_DECL_PRIORITY int priority;
221	#endif	261	#endif
222		262
223	/* shared by all watchers */	263	/* shared by all watchers */
224	#define EV_WATCHER(type) \	264	#define EV_WATCHER(type) \
…		…
354	EV_WATCHER (ev_check)	394	EV_WATCHER (ev_check)
355	} ev_check;	395	} ev_check;
356		396
357	#if EV_FORK_ENABLE	397	#if EV_FORK_ENABLE
358	/* the callback gets invoked before check in the child process when a fork was detected */	398	/* the callback gets invoked before check in the child process when a fork was detected */
		399	/* revent EV_FORK */
359	typedef struct ev_fork	400	typedef struct ev_fork
360	{	401	{
361	EV_WATCHER (ev_fork)	402	EV_WATCHER (ev_fork)
362	} ev_fork;	403	} ev_fork;
		404	#endif
		405
		406	#if EV_CLEANUP_ENABLE
		407	/* is invoked just before the loop gets destroyed */
		408	/* revent EV_CLEANUP */
		409	typedef struct ev_cleanup
		410	{
		411	EV_WATCHER (ev_cleanup)
		412	} ev_cleanup;
363	#endif	413	#endif
364		414
365	#if EV_EMBED_ENABLE	415	#if EV_EMBED_ENABLE
366	/* used to embed an event loop inside another */	416	/* used to embed an event loop inside another */
367	/* the callback gets invoked when the event loop has handled events, and can be 0 */	417	/* the callback gets invoked when the event loop has handled events, and can be 0 */
…		…
375	ev_check check; /* unused */	425	ev_check check; /* unused */
376	ev_timer timer; /* unused */	426	ev_timer timer; /* unused */
377	ev_periodic periodic; /* unused */	427	ev_periodic periodic; /* unused */
378	ev_idle idle; /* unused */	428	ev_idle idle; /* unused */
379	ev_fork fork; /* private */	429	ev_fork fork; /* private */
		430	#if EV_CLEANUP_ENABLE
		431	ev_cleanup cleanup; /* unused */
		432	#endif
380	} ev_embed;	433	} ev_embed;
381	#endif	434	#endif
382		435
383	#if EV_ASYNC_ENABLE	436	#if EV_ASYNC_ENABLE
384	/* invoked when somebody calls ev_async_send on the watcher */	437	/* invoked when somebody calls ev_async_send on the watcher */
…		…
413	struct ev_prepare prepare;	466	struct ev_prepare prepare;
414	struct ev_check check;	467	struct ev_check check;
415	#if EV_FORK_ENABLE	468	#if EV_FORK_ENABLE
416	struct ev_fork fork;	469	struct ev_fork fork;
417	#endif	470	#endif
		471	#if EV_CLEANUP_ENABLE
		472	struct ev_cleanup cleanup;
		473	#endif
418	#if EV_EMBED_ENABLE	474	#if EV_EMBED_ENABLE
419	struct ev_embed embed;	475	struct ev_embed embed;
420	#endif	476	#endif
421	#if EV_ASYNC_ENABLE	477	#if EV_ASYNC_ENABLE
422	struct ev_async async;	478	struct ev_async async;
423	#endif	479	#endif
424	};	480	};
425		481
426	/* bits for ev_default_loop and ev_loop_new */	482	/* flag bits for ev_default_loop and ev_loop_new */
		483	enum {
427	/* the default */	484	/* the default */
428	#define EVFLAG_AUTO 0x00000000U /* not quite a mask */	485	EVFLAG_AUTO = 0x00000000U, /* not quite a mask */
429	/* flag bits */	486	/* flag bits */
430	#define EVFLAG_NOENV 0x01000000U /* do NOT consult environment */	487	EVFLAG_NOENV = 0x01000000U, /* do NOT consult environment */
431	#define EVFLAG_FORKCHECK 0x02000000U /* check for a fork in each iteration */	488	EVFLAG_FORKCHECK = 0x02000000U, /* check for a fork in each iteration */
432	/* debugging/feature disable */	489	/* debugging/feature disable */
433	#define EVFLAG_NOINOTIFY 0x00100000U /* do not attempt to use inotify */	490	EVFLAG_NOINOTIFY = 0x00100000U, /* do not attempt to use inotify */
		491	#if EV_COMPAT3
434	#define EVFLAG_NOSIGFD 0 /* compatibility to pre-3.9 */	492	EVFLAG_NOSIGFD = 0, /* compatibility to pre-3.9 */
		493	#endif
435	#define EVFLAG_SIGNALFD 0x00200000U /* attempt to use signalfd */	494	EVFLAG_SIGNALFD = 0x00200000U, /* attempt to use signalfd */
		495	EVFLAG_NOSIGMASK = 0x00400000U /* avoid modifying the signal mask */
		496	};
		497
436	/* method bits to be ored together */	498	/* method bits to be ored together */
		499	enum {
437	#define EVBACKEND_SELECT 0x00000001U /* about anywhere */	500	EVBACKEND_SELECT = 0x00000001U, /* about anywhere */
438	#define EVBACKEND_POLL 0x00000002U /* !win */	501	EVBACKEND_POLL = 0x00000002U, /* !win */
439	#define EVBACKEND_EPOLL 0x00000004U /* linux */	502	EVBACKEND_EPOLL = 0x00000004U, /* linux */
440	#define EVBACKEND_KQUEUE 0x00000008U /* bsd */	503	EVBACKEND_KQUEUE = 0x00000008U, /* bsd */
441	#define EVBACKEND_DEVPOLL 0x00000010U /* solaris 8 / / NYI */	504	EVBACKEND_DEVPOLL = 0x00000010U, /* solaris 8 / / NYI */
442	#define EVBACKEND_PORT 0x00000020U /* solaris 10 */	505	EVBACKEND_PORT = 0x00000020U, /* solaris 10 */
443	#define EVBACKEND_ALL 0x0000003FU	506	EVBACKEND_ALL = 0x0000003FU, /* all known backends */
		507	EVBACKEND_MASK = 0x0000FFFFU /* all future backends */
		508	};
444		509
445	#if EV_PROTOTYPES	510	#if EV_PROTOTYPES
446	int ev_version_major (void);	511	int ev_version_major (void);
447	int ev_version_minor (void);	512	int ev_version_minor (void);
448		513
…		…
466	* (such as failed select, poll, epoll_wait)	531	* (such as failed select, poll, epoll_wait)
467	*/	532	*/
468	void ev_set_syserr_cb (void (cb)(const char msg));	533	void ev_set_syserr_cb (void (cb)(const char msg));
469		534
470	#if EV_MULTIPLICITY	535	#if EV_MULTIPLICITY
		536
		537	/* the default loop is the only one that handles signals and child watchers */
		538	/* you can call this as often as you like */
		539	struct ev_loop *ev_default_loop (unsigned int flags EV_CPP (= 0));
		540
471	EV_INLINE struct ev_loop *	541	EV_INLINE struct ev_loop *
472	ev_default_loop_uc (void)	542	ev_default_loop_uc_ (void)
473	{	543	{
474	extern struct ev_loop *ev_default_loop_ptr;	544	extern struct ev_loop *ev_default_loop_ptr;
475		545
476	return ev_default_loop_ptr;	546	return ev_default_loop_ptr;
477	}	547	}
478		548
479	/* the default loop is the only one that handles signals and child watchers */	549	EV_INLINE int
480	/* you can call this as often as you like */	550	ev_is_default_loop (EV_P)
481	EV_INLINE struct ev_loop *
482	ev_default_loop (unsigned int flags)
483	{	551	{
484	struct ev_loop *loop = ev_default_loop_uc ();	552	return EV_A == EV_DEFAULT_UC;
485
486	if (!loop)
487	{
488	extern struct ev_loop *ev_default_loop_init (unsigned int flags);
489
490	loop = ev_default_loop_init (flags);
491	}
492
493	return loop;
494	}	553	}
495		554
496	/* create and destroy alternative loops that don't handle signals */	555	/* create and destroy alternative loops that don't handle signals */
497	struct ev_loop *ev_loop_new (unsigned int flags);	556	struct ev_loop *ev_loop_new (unsigned int flags EV_CPP (= 0));
498	void ev_loop_destroy (EV_P);
499	void ev_loop_fork (EV_P);
500		557
501	ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */	558	ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */
502		559
503	#else	560	#else
504		561
505	int ev_default_loop (unsigned int flags); /* returns true when successful */	562	int ev_default_loop (unsigned int flags EV_CPP (= 0)); /* returns true when successful */
506		563
507	EV_INLINE ev_tstamp	564	EV_INLINE ev_tstamp
508	ev_now (void)	565	ev_now (void)
509	{	566	{
510	extern ev_tstamp ev_rt_now;	567	extern ev_tstamp ev_rt_now;
511		568
512	return ev_rt_now;	569	return ev_rt_now;
513	}	570	}
		571
		572	/* looks weird, but ev_is_default_loop (EV_A) still works if this exists */
		573	EV_INLINE int
		574	ev_is_default_loop (void)
		575	{
		576	return 1;
		577	}
		578
514	#endif /* multiplicity */	579	#endif /* multiplicity */
515		580
516	EV_INLINE int	581	/* destroy event loops, also works for the default loop */
517	ev_is_default_loop (EV_P)	582	void ev_loop_destroy (EV_P);
518	{
519	#if EV_MULTIPLICITY
520	extern struct ev_loop *ev_default_loop_ptr;
521		583
522	return !!(EV_A == ev_default_loop_ptr);
523	#else
524	return 1;
525	#endif
526	}
527
528	void ev_default_destroy (void); /* destroy the default loop */
529	/* this needs to be called after fork, to duplicate the default loop */	584	/* this needs to be called after fork, to duplicate the loop */
530	/* if you create alternative loops you have to call ev_loop_fork on them */	585	/* when you want to re-use it in the child */
531	/* you can call it in either the parent or the child */	586	/* you can call it in either the parent or the child */
532	/* you can actually call it at any time, anywhere :) */	587	/* you can actually call it at any time, anywhere :) */
533	void ev_default_fork (void);	588	void ev_loop_fork (EV_P);
534		589
535	unsigned int ev_backend (EV_P); /* backend in use by loop */	590	unsigned int ev_backend (EV_P); /* backend in use by loop */
536		591
537	void ev_now_update (EV_P); /* update event loop time */	592	void ev_now_update (EV_P); /* update event loop time */
538		593
…		…
543	void ev_walk (EV_P_ int types, void (cb)(EV_P_ int type, void w));	598	void ev_walk (EV_P_ int types, void (cb)(EV_P_ int type, void w));
544	#endif	599	#endif
545		600
546	#endif /* prototypes */	601	#endif /* prototypes */
547		602
548	#define EVLOOP_NONBLOCK 1 /* do not block/wait */	603	/* ev_run flags values */
549	#define EVLOOP_ONESHOT 2 /* block once only */	604	enum {
550	#define EVUNLOOP_CANCEL 0 /* undo unloop */	605	EVRUN_NOWAIT = 1, /* do not block/wait */
551	#define EVUNLOOP_ONE 1 /* unloop once */	606	EVRUN_ONCE = 2 /* block once only */
		607	};
		608
		609	/* ev_break how values */
		610	enum {
		611	EVBREAK_CANCEL = 0, /* undo unloop */
		612	EVBREAK_ONE = 1, /* unloop once */
552	#define EVUNLOOP_ALL 2 /* unloop all loops */	613	EVBREAK_ALL = 2 /* unloop all loops */
		614	};
553		615
554	#if EV_PROTOTYPES	616	#if EV_PROTOTYPES
555	void ev_loop (EV_P_ int flags);	617	void ev_run (EV_P_ int flags EV_CPP (= 0));
556	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 */	618	void ev_break (EV_P_ int how EV_CPP (= EVBREAK_ONE)); /* break out of the loop */
557		619
558	/*	620	/*
559	* ref/unref can be used to add or remove a refcount on the mainloop. every watcher	621	* ref/unref can be used to add or remove a refcount on the mainloop. every watcher
560	* keeps one reference. if you have a long-running watcher you never unregister that	622	* keeps one reference. if you have a long-running watcher you never unregister that
561	* should not keep ev_loop from running, unref() after starting, and ref() before stopping.	623	* should not keep ev_loop from running, unref() after starting, and ref() before stopping.
…		…
567	* convenience function, wait for a single event, without registering an event watcher	629	* convenience function, wait for a single event, without registering an event watcher
568	* if timeout is < 0, do wait indefinitely	630	* if timeout is < 0, do wait indefinitely
569	*/	631	*/
570	void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (cb)(int revents, void arg), void *arg);	632	void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (cb)(int revents, void arg), void *arg);
571		633
572	# if EV_MINIMAL < 2	634	# if EV_FEATURE_API
573	unsigned int ev_loop_count (EV_P); /* number of loop iterations */	635	unsigned int ev_iteration (EV_P); /* number of loop iterations */
574	unsigned int ev_loop_depth (EV_P); /* #ev_loop enters - #ev_loop leaves */	636	unsigned int ev_depth (EV_P); /* #ev_loop enters - #ev_loop leaves */
575	void ev_loop_verify (EV_P); /* abort if loop data corrupted */	637	void ev_verify (EV_P); /* abort if loop data corrupted */
576		638
577	void ev_set_io_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */	639	void ev_set_io_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */
578	void ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */	640	void ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */
579		641
580	/* advanced stuff for threading etc. support, see docs */	642	/* advanced stuff for threading etc. support, see docs */
…		…
613	#define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */	675	#define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */
614	#define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */	676	#define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */
615	#define ev_check_set(ev) /* nop, yes, this is a serious in-joke */	677	#define ev_check_set(ev) /* nop, yes, this is a serious in-joke */
616	#define ev_embed_set(ev,other_) do { (ev)->other = (other_); } while (0)	678	#define ev_embed_set(ev,other_) do { (ev)->other = (other_); } while (0)
617	#define ev_fork_set(ev) /* nop, yes, this is a serious in-joke */	679	#define ev_fork_set(ev) /* nop, yes, this is a serious in-joke */
618	#define ev_async_set(ev) do { (ev)->sent = 0; } while (0)	680	#define ev_cleanup_set(ev) /* nop, yes, this is a serious in-joke */
		681	#define ev_async_set(ev) /* nop, yes, this is a serious in-joke */
619		682
620	#define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)	683	#define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0)
621	#define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0)	684	#define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0)
622	#define ev_periodic_init(ev,cb,ofs,ival,rcb) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(ofs),(ival),(rcb)); } while (0)	685	#define ev_periodic_init(ev,cb,ofs,ival,rcb) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(ofs),(ival),(rcb)); } while (0)
623	#define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0)	686	#define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0)
…		…
626	#define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0)	689	#define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0)
627	#define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0)	690	#define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0)
628	#define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0)	691	#define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0)
629	#define ev_embed_init(ev,cb,other) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(other)); } while (0)	692	#define ev_embed_init(ev,cb,other) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(other)); } while (0)
630	#define ev_fork_init(ev,cb) do { ev_init ((ev), (cb)); ev_fork_set ((ev)); } while (0)	693	#define ev_fork_init(ev,cb) do { ev_init ((ev), (cb)); ev_fork_set ((ev)); } while (0)
		694	#define ev_cleanup_init(ev,cb) do { ev_init ((ev), (cb)); ev_cleanup_set ((ev)); } while (0)
631	#define ev_async_init(ev,cb) do { ev_init ((ev), (cb)); ev_async_set ((ev)); } while (0)	695	#define ev_async_init(ev,cb) do { ev_init ((ev), (cb)); ev_async_set ((ev)); } while (0)
632		696
633	#define ev_is_pending(ev) (0 + ((ev_watcher )(void )(ev))->pending) /* ro, true when watcher is waiting for callback invocation */	697	#define ev_is_pending(ev) (0 + ((ev_watcher )(void )(ev))->pending) /* ro, true when watcher is waiting for callback invocation */
634	#define ev_is_active(ev) (0 + ((ev_watcher )(void )(ev))->active) /* ro, true when the watcher has been started */	698	#define ev_is_active(ev) (0 + ((ev_watcher )(void )(ev))->active) /* ro, true when the watcher has been started */
635		699
…		…
656	/* feeds an event into a watcher as if the event actually occured */	720	/* feeds an event into a watcher as if the event actually occured */
657	/* accepts any ev_watcher type */	721	/* accepts any ev_watcher type */
658	void ev_feed_event (EV_P_ void *w, int revents);	722	void ev_feed_event (EV_P_ void *w, int revents);
659	void ev_feed_fd_event (EV_P_ int fd, int revents);	723	void ev_feed_fd_event (EV_P_ int fd, int revents);
660	#if EV_SIGNAL_ENABLE	724	#if EV_SIGNAL_ENABLE
		725	void ev_feed_signal (int signum);
661	void ev_feed_signal_event (EV_P_ int signum);	726	void ev_feed_signal_event (EV_P_ int signum);
662	#endif	727	#endif
663	void ev_invoke (EV_P_ void *w, int revents);	728	void ev_invoke (EV_P_ void *w, int revents);
664	int ev_clear_pending (EV_P_ void *w);	729	int ev_clear_pending (EV_P_ void *w);
665		730
…		…
715	# if EV_FORK_ENABLE	780	# if EV_FORK_ENABLE
716	void ev_fork_start (EV_P_ ev_fork *w);	781	void ev_fork_start (EV_P_ ev_fork *w);
717	void ev_fork_stop (EV_P_ ev_fork *w);	782	void ev_fork_stop (EV_P_ ev_fork *w);
718	# endif	783	# endif
719		784
		785	# if EV_CLEANUP_ENABLE
		786	void ev_cleanup_start (EV_P_ ev_cleanup *w);
		787	void ev_cleanup_stop (EV_P_ ev_cleanup *w);
		788	# endif
		789
720	# if EV_EMBED_ENABLE	790	# if EV_EMBED_ENABLE
721	/* only supported when loop to be embedded is in fact embeddable */	791	/* only supported when loop to be embedded is in fact embeddable */
722	void ev_embed_start (EV_P_ ev_embed *w);	792	void ev_embed_start (EV_P_ ev_embed *w);
723	void ev_embed_stop (EV_P_ ev_embed *w);	793	void ev_embed_stop (EV_P_ ev_embed *w);
724	void ev_embed_sweep (EV_P_ ev_embed *w);	794	void ev_embed_sweep (EV_P_ ev_embed *w);
…		…
728	void ev_async_start (EV_P_ ev_async *w);	798	void ev_async_start (EV_P_ ev_async *w);
729	void ev_async_stop (EV_P_ ev_async *w);	799	void ev_async_stop (EV_P_ ev_async *w);
730	void ev_async_send (EV_P_ ev_async *w);	800	void ev_async_send (EV_P_ ev_async *w);
731	# endif	801	# endif
732		802
		803	#if EV_COMPAT3
		804	#define EVLOOP_NONBLOCK EVRUN_NOWAIT
		805	#define EVLOOP_ONESHOT EVRUN_ONCE
		806	#define EVUNLOOP_CANCEL EVBREAK_CANCEL
		807	#define EVUNLOOP_ONE EVBREAK_ONE
		808	#define EVUNLOOP_ALL EVBREAK_ALL
		809	#if EV_PROTOTYPES
		810	EV_INLINE void ev_loop (EV_P_ int flags) { ev_run (EV_A_ flags); }
		811	EV_INLINE void ev_unloop (EV_P_ int how ) { ev_break (EV_A_ how ); }
		812	EV_INLINE void ev_default_destroy (void) { ev_loop_destroy (EV_DEFAULT); }
		813	EV_INLINE void ev_default_fork (void) { ev_loop_fork (EV_DEFAULT); }
		814	#if EV_FEATURE_API
		815	EV_INLINE unsigned int ev_loop_count (EV_P) { return ev_iteration (EV_A); }
		816	EV_INLINE unsigned int ev_loop_depth (EV_P) { return ev_depth (EV_A); }
		817	EV_INLINE void ev_loop_verify (EV_P) { ev_verify (EV_A); }
		818	#endif
733	#endif	819	#endif
734		820	#else
735	#ifdef __cplusplus	821	typedef struct ev_loop ev_loop;
736	}
737	#endif	822	#endif
738		823
739	#endif	824	#endif
740		825
		826	EV_CPP(})
		827
		828	#endif
		829

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Comparing libev/ev.h (file contents): Revision 1.133 by root, Wed Mar 10 09:23:07 2010 UTC vs. Revision 1.160 by root, Wed Feb 16 08:07:25 2011 UTC

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Comparing libev/ev.h (file contents):
Revision 1.133 by root, Wed Mar 10 09:23:07 2010 UTC vs.
Revision 1.160 by root, Wed Feb 16 08:07:25 2011 UTC