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

Comparing libev/ev.h (file contents):
Revision 1.128 by root, Tue Oct 20 00:50:31 2009 UTC vs.
Revision 1.161 by root, Sat Oct 15 09:05:03 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
		88	#endif
		89
		90	#ifndef EV_PREPARE_ENABLE
		91	# define EV_PREPARE_ENABLE EV_FEATURE_WATCHERS
		92	#endif
		93
		94	#ifndef EV_CHECK_ENABLE
		95	# define EV_CHECK_ENABLE EV_FEATURE_WATCHERS
67	#endif	96	#endif
68		97
69	#ifndef EV_IDLE_ENABLE	98	#ifndef EV_IDLE_ENABLE
70	# define EV_IDLE_ENABLE 1	99	# define EV_IDLE_ENABLE EV_FEATURE_WATCHERS
71	#endif	100	#endif
72		101
73	#ifndef EV_FORK_ENABLE	102	#ifndef EV_FORK_ENABLE
		103	# define EV_FORK_ENABLE EV_FEATURE_WATCHERS
		104	#endif
		105
		106	#ifndef EV_CLEANUP_ENABLE
		107	# define EV_CLEANUP_ENABLE EV_FEATURE_WATCHERS
		108	#endif
		109
		110	#ifndef EV_SIGNAL_ENABLE
		111	# define EV_SIGNAL_ENABLE EV_FEATURE_WATCHERS
		112	#endif
		113
		114	#ifndef EV_CHILD_ENABLE
		115	# ifdef _WIN32
74	# define EV_FORK_ENABLE 1	116	# define EV_CHILD_ENABLE 0
		117	# else
		118	# define EV_CHILD_ENABLE EV_FEATURE_WATCHERS
		119	#endif
		120	#endif
		121
		122	#ifndef EV_ASYNC_ENABLE
		123	# define EV_ASYNC_ENABLE EV_FEATURE_WATCHERS
75	#endif	124	#endif
76		125
77	#ifndef EV_EMBED_ENABLE	126	#ifndef EV_EMBED_ENABLE
78	# define EV_EMBED_ENABLE 1	127	# define EV_EMBED_ENABLE EV_FEATURE_WATCHERS
79	#endif
80
81	#ifndef EV_ASYNC_ENABLE
82	# define EV_ASYNC_ENABLE 1
83	#endif	128	#endif
84		129
85	#ifndef EV_WALK_ENABLE	130	#ifndef EV_WALK_ENABLE
86	# define EV_WALK_ENABLE 0 /* not yet */	131	# define EV_WALK_ENABLE 0 /* not yet */
87	#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;
88		144
89	#ifndef EV_ATOMIC_T	145	#ifndef EV_ATOMIC_T
90	# include <signal.h>	146	# include <signal.h>
91	# define EV_ATOMIC_T sig_atomic_t volatile	147	# define EV_ATOMIC_T sig_atomic_t volatile
92	#endif	148	#endif
93
94	/*****************************************************************************/
95		149
96	#if EV_STAT_ENABLE	150	#if EV_STAT_ENABLE
97	# ifdef _WIN32	151	# ifdef _WIN32
98	# include <time.h>	152	# include <time.h>
99	# include <sys/types.h>	153	# include <sys/types.h>
…		…
102	#endif	156	#endif
103		157
104	/* support multiple event loops? */	158	/* support multiple event loops? */
105	#if EV_MULTIPLICITY	159	#if EV_MULTIPLICITY
106	struct ev_loop;	160	struct ev_loop;
107	# define EV_P struct ev_loop *loop	161	# define EV_P struct ev_loop loop / a loop as sole parameter in a declaration */
108	# define EV_P_ EV_P,	162	# define EV_P_ EV_P, /* a loop as first of multiple parameters */
109	# define EV_A loop	163	# define EV_A loop /* a loop as sole argument to a function call */
110	# define EV_A_ EV_A,	164	# define EV_A_ EV_A, /* a loop as first of multiple arguments */
111	# 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 */
112	# define EV_DEFAULT_UC_ EV_DEFAULT_UC,	166	# define EV_DEFAULT_UC_ EV_DEFAULT_UC, /* the default loop as first of multiple arguments */
113	# define EV_DEFAULT ev_default_loop (0)	167	# define EV_DEFAULT ev_default_loop (0) /* the default loop as sole arg */
114	# define EV_DEFAULT_ EV_DEFAULT,	168	# define EV_DEFAULT_ EV_DEFAULT, /* the default loop as first of multiple arguments */
115	#else	169	#else
116	# define EV_P void	170	# define EV_P void
117	# define EV_P_	171	# define EV_P_
118	# define EV_A	172	# define EV_A
119	# define EV_A_	173	# define EV_A_
…		…
122	# define EV_DEFAULT_UC	176	# define EV_DEFAULT_UC
123	# define EV_DEFAULT_UC_	177	# define EV_DEFAULT_UC_
124	# undef EV_EMBED_ENABLE	178	# undef EV_EMBED_ENABLE
125	#endif	179	#endif
126		180
		181	/* EV_INLINE is used for functions in header files */
127	#if __STDC_VERSION__ >= 199901L \|\| __GNUC__ >= 3	182	#if __STDC_VERSION__ >= 199901L \|\| __GNUC__ >= 3
128	# define EV_INLINE static inline	183	# define EV_INLINE static inline
129	#else	184	#else
130	# define EV_INLINE static	185	# define EV_INLINE static
131	#endif	186	#endif
132		187
		188	/* EV_PROTOTYPES can be used to switch of prototype declarations */
		189	#ifndef EV_PROTOTYPES
		190	# define EV_PROTOTYPES 1
		191	#endif
		192
133	/*****************************************************************************/	193	/*****************************************************************************/
134		194
		195	#define EV_VERSION_MAJOR 4
		196	#define EV_VERSION_MINOR 4
		197
135	/* eventmask, revents, events... */	198	/* eventmask, revents, events... */
136	#define EV_UNDEF -1 /* guaranteed to be invalid */	199	enum {
		200	EV_UNDEF = 0xFFFFFFFF, /* guaranteed to be invalid */
137	#define EV_NONE 0x00 /* no events */	201	EV_NONE = 0x00, /* no events */
138	#define EV_READ 0x01 /* ev_io detected read will not block */	202	EV_READ = 0x01, /* ev_io detected read will not block */
139	#define EV_WRITE 0x02 /* ev_io detected write will not block */	203	EV_WRITE = 0x02, /* ev_io detected write will not block */
140	#define EV__IOFDSET 0x80 /* internal use only */	204	EV__IOFDSET = 0x80, /* internal use only */
141	#define EV_IO EV_READ /* alias for type-detection */	205	EV_IO = EV_READ, /* alias for type-detection */
142	#define EV_TIMEOUT 0x00000100 /* timer timed out */	206	EV_TIMER = 0x00000100, /* timer timed out */
143	#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
144	#define EV_PERIODIC 0x00000200 /* periodic timer timed out */	210	EV_PERIODIC = 0x00000200, /* periodic timer timed out */
145	#define EV_SIGNAL 0x00000400 /* signal was received */	211	EV_SIGNAL = 0x00000400, /* signal was received */
146	#define EV_CHILD 0x00000800 /* child/pid had status change */	212	EV_CHILD = 0x00000800, /* child/pid had status change */
147	#define EV_STAT 0x00001000 /* stat data changed */	213	EV_STAT = 0x00001000, /* stat data changed */
148	#define EV_IDLE 0x00002000 /* event loop is idling */	214	EV_IDLE = 0x00002000, /* event loop is idling */
149	#define EV_PREPARE 0x00004000 /* event loop about to poll */	215	EV_PREPARE = 0x00004000, /* event loop about to poll */
150	#define EV_CHECK 0x00008000 /* event loop finished poll */	216	EV_CHECK = 0x00008000, /* event loop finished poll */
151	#define EV_EMBED 0x00010000 /* embedded event loop needs sweep */	217	EV_EMBED = 0x00010000, /* embedded event loop needs sweep */
152	#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 */
153	#define EV_ASYNC 0x00040000 /* async intra-loop signal */	220	EV_ASYNC = 0x00080000, /* async intra-loop signal */
154	#define EV_CUSTOM 0x01000000 /* for use by user code */	221	EV_CUSTOM = 0x01000000, /* for use by user code */
155	#define EV_ERROR 0x80000000 /* sent when an error occurs */	222	EV_ERROR = 0x80000000 /* sent when an error occurs */
		223	};
156		224
157	/* 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 */
158	#ifndef EV_COMMON	226	#ifndef EV_COMMON
159	# define EV_COMMON void *data;	227	# define EV_COMMON void *data;
160	#endif	228	#endif
161	#ifndef EV_PROTOTYPES
162	# define EV_PROTOTYPES 1
163	#endif
164
165	#define EV_VERSION_MAJOR 3
166	#define EV_VERSION_MINOR 8
167		229
168	#ifndef EV_CB_DECLARE	230	#ifndef EV_CB_DECLARE
169	# 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);
170	#endif	232	#endif
171	#ifndef EV_CB_INVOKE	233	#ifndef EV_CB_INVOKE
172	# 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))
173	#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)
174		239
175	/*	240	/*
176	* struct member types:	241	* struct member types:
177	* private: you may look at them, but not change them,	242	* private: you may look at them, but not change them,
178	* and they might not mean anything to you.	243	* and they might not mean anything to you.
…		…
189	* or the array index + 1 in the pendings array.	254	* or the array index + 1 in the pendings array.
190	*/	255	*/
191		256
192	#if EV_MINPRI == EV_MAXPRI	257	#if EV_MINPRI == EV_MAXPRI
193	# define EV_DECL_PRIORITY	258	# define EV_DECL_PRIORITY
194	#else	259	#elif !defined (EV_DECL_PRIORITY)
195	# define EV_DECL_PRIORITY int priority;	260	# define EV_DECL_PRIORITY int priority;
196	#endif	261	#endif
197		262
198	/* shared by all watchers */	263	/* shared by all watchers */
199	#define EV_WATCHER(type) \	264	#define EV_WATCHER(type) \
…		…
329	EV_WATCHER (ev_check)	394	EV_WATCHER (ev_check)
330	} ev_check;	395	} ev_check;
331		396
332	#if EV_FORK_ENABLE	397	#if EV_FORK_ENABLE
333	/* 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 */
334	typedef struct ev_fork	400	typedef struct ev_fork
335	{	401	{
336	EV_WATCHER (ev_fork)	402	EV_WATCHER (ev_fork)
337	} 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;
338	#endif	413	#endif
339		414
340	#if EV_EMBED_ENABLE	415	#if EV_EMBED_ENABLE
341	/* used to embed an event loop inside another */	416	/* used to embed an event loop inside another */
342	/* 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 */
…		…
350	ev_check check; /* unused */	425	ev_check check; /* unused */
351	ev_timer timer; /* unused */	426	ev_timer timer; /* unused */
352	ev_periodic periodic; /* unused */	427	ev_periodic periodic; /* unused */
353	ev_idle idle; /* unused */	428	ev_idle idle; /* unused */
354	ev_fork fork; /* private */	429	ev_fork fork; /* private */
		430	#if EV_CLEANUP_ENABLE
		431	ev_cleanup cleanup; /* unused */
		432	#endif
355	} ev_embed;	433	} ev_embed;
356	#endif	434	#endif
357		435
358	#if EV_ASYNC_ENABLE	436	#if EV_ASYNC_ENABLE
359	/* invoked when somebody calls ev_async_send on the watcher */	437	/* invoked when somebody calls ev_async_send on the watcher */
…		…
388	struct ev_prepare prepare;	466	struct ev_prepare prepare;
389	struct ev_check check;	467	struct ev_check check;
390	#if EV_FORK_ENABLE	468	#if EV_FORK_ENABLE
391	struct ev_fork fork;	469	struct ev_fork fork;
392	#endif	470	#endif
		471	#if EV_CLEANUP_ENABLE
		472	struct ev_cleanup cleanup;
		473	#endif
393	#if EV_EMBED_ENABLE	474	#if EV_EMBED_ENABLE
394	struct ev_embed embed;	475	struct ev_embed embed;
395	#endif	476	#endif
396	#if EV_ASYNC_ENABLE	477	#if EV_ASYNC_ENABLE
397	struct ev_async async;	478	struct ev_async async;
398	#endif	479	#endif
399	};	480	};
400		481
401	/* bits for ev_default_loop and ev_loop_new */	482	/* flag bits for ev_default_loop and ev_loop_new */
		483	enum {
402	/* the default */	484	/* the default */
403	#define EVFLAG_AUTO 0x00000000U /* not quite a mask */	485	EVFLAG_AUTO = 0x00000000U, /* not quite a mask */
404	/* flag bits */	486	/* flag bits */
405	#define EVFLAG_NOENV 0x01000000U /* do NOT consult environment */	487	EVFLAG_NOENV = 0x01000000U, /* do NOT consult environment */
406	#define EVFLAG_FORKCHECK 0x02000000U /* check for a fork in each iteration */	488	EVFLAG_FORKCHECK = 0x02000000U, /* check for a fork in each iteration */
407	/* debugging/feature disable */	489	/* debugging/feature disable */
408	#define EVFLAG_NOINOTIFY 0x00100000U /* do not attempt to use inotify */	490	EVFLAG_NOINOTIFY = 0x00100000U, /* do not attempt to use inotify */
		491	#if EV_COMPAT3
		492	EVFLAG_NOSIGFD = 0, /* compatibility to pre-3.9 */
		493	#endif
409	#define EVFLAG_NOSIGFD 0x00200000U /* do not attempt to use signalfd */	494	EVFLAG_SIGNALFD = 0x00200000U, /* attempt to use signalfd */
		495	EVFLAG_NOSIGMASK = 0x00400000U /* avoid modifying the signal mask */
		496	};
		497
410	/* method bits to be ored together */	498	/* method bits to be ored together */
		499	enum {
411	#define EVBACKEND_SELECT 0x00000001U /* about anywhere */	500	EVBACKEND_SELECT = 0x00000001U, /* about anywhere */
412	#define EVBACKEND_POLL 0x00000002U /* !win */	501	EVBACKEND_POLL = 0x00000002U, /* !win */
413	#define EVBACKEND_EPOLL 0x00000004U /* linux */	502	EVBACKEND_EPOLL = 0x00000004U, /* linux */
414	#define EVBACKEND_KQUEUE 0x00000008U /* bsd */	503	EVBACKEND_KQUEUE = 0x00000008U, /* bsd */
415	#define EVBACKEND_DEVPOLL 0x00000010U /* solaris 8 / / NYI */	504	EVBACKEND_DEVPOLL = 0x00000010U, /* solaris 8 / / NYI */
416	#define EVBACKEND_PORT 0x00000020U /* solaris 10 */	505	EVBACKEND_PORT = 0x00000020U, /* solaris 10 */
417	#define EVBACKEND_ALL 0x0000003FU	506	EVBACKEND_ALL = 0x0000003FU, /* all known backends */
		507	EVBACKEND_MASK = 0x0000FFFFU /* all future backends */
		508	};
418		509
419	#if EV_PROTOTYPES	510	#if EV_PROTOTYPES
420	int ev_version_major (void);	511	int ev_version_major (void);
421	int ev_version_minor (void);	512	int ev_version_minor (void);
422		513
…		…
440	* (such as failed select, poll, epoll_wait)	531	* (such as failed select, poll, epoll_wait)
441	*/	532	*/
442	void ev_set_syserr_cb (void (cb)(const char msg));	533	void ev_set_syserr_cb (void (cb)(const char msg));
443		534
444	#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
445	EV_INLINE struct ev_loop *	541	EV_INLINE struct ev_loop *
446	ev_default_loop_uc (void)	542	ev_default_loop_uc_ (void)
447	{	543	{
448	extern struct ev_loop *ev_default_loop_ptr;	544	extern struct ev_loop *ev_default_loop_ptr;
449		545
450	return ev_default_loop_ptr;	546	return ev_default_loop_ptr;
451	}	547	}
452		548
453	/* the default loop is the only one that handles signals and child watchers */	549	EV_INLINE int
454	/* you can call this as often as you like */	550	ev_is_default_loop (EV_P)
455	EV_INLINE struct ev_loop *
456	ev_default_loop (unsigned int flags)
457	{	551	{
458	struct ev_loop *loop = ev_default_loop_uc ();	552	return EV_A == EV_DEFAULT_UC;
459
460	if (!loop)
461	{
462	extern struct ev_loop *ev_default_loop_init (unsigned int flags);
463
464	loop = ev_default_loop_init (flags);
465	}
466
467	return loop;
468	}	553	}
469		554
470	/* create and destroy alternative loops that don't handle signals */	555	/* create and destroy alternative loops that don't handle signals */
471	struct ev_loop *ev_loop_new (unsigned int flags);	556	struct ev_loop *ev_loop_new (unsigned int flags EV_CPP (= 0));
472	void ev_loop_destroy (EV_P);
473	void ev_loop_fork (EV_P);
474		557
475	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 */
476		559
477	#else	560	#else
478		561
479	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 */
480		563
481	EV_INLINE ev_tstamp	564	EV_INLINE ev_tstamp
482	ev_now (void)	565	ev_now (void)
483	{	566	{
484	extern ev_tstamp ev_rt_now;	567	extern ev_tstamp ev_rt_now;
485		568
486	return ev_rt_now;	569	return ev_rt_now;
487	}	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
488	#endif /* multiplicity */	579	#endif /* multiplicity */
489		580
490	EV_INLINE int	581	/* destroy event loops, also works for the default loop */
491	ev_is_default_loop (EV_P)	582	void ev_loop_destroy (EV_P);
492	{
493	#if EV_MULTIPLICITY
494	extern struct ev_loop *ev_default_loop_ptr;
495		583
496	return !!(EV_A == ev_default_loop_ptr);
497	#else
498	return 1;
499	#endif
500	}
501
502	void ev_default_destroy (void); /* destroy the default loop */
503	/* this needs to be called after fork, to duplicate the default loop */	584	/* this needs to be called after fork, to duplicate the loop */
504	/* 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 */
505	/* you can call it in either the parent or the child */	586	/* you can call it in either the parent or the child */
506	/* you can actually call it at any time, anywhere :) */	587	/* you can actually call it at any time, anywhere :) */
507	void ev_default_fork (void);	588	void ev_loop_fork (EV_P);
508		589
509	unsigned int ev_backend (EV_P); /* backend in use by loop */	590	unsigned int ev_backend (EV_P); /* backend in use by loop */
510		591
511	void ev_now_update (EV_P); /* update event loop time */	592	void ev_now_update (EV_P); /* update event loop time */
512		593
…		…
517	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));
518	#endif	599	#endif
519		600
520	#endif /* prototypes */	601	#endif /* prototypes */
521		602
522	#define EVLOOP_NONBLOCK 1 /* do not block/wait */	603	/* ev_run flags values */
523	#define EVLOOP_ONESHOT 2 /* block once only */	604	enum {
524	#define EVUNLOOP_CANCEL 0 /* undo unloop */	605	EVRUN_NOWAIT = 1, /* do not block/wait */
525	#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 */
526	#define EVUNLOOP_ALL 2 /* unloop all loops */	613	EVBREAK_ALL = 2 /* unloop all loops */
		614	};
527		615
528	#if EV_PROTOTYPES	616	#if EV_PROTOTYPES
529	void ev_loop (EV_P_ int flags);	617	void ev_run (EV_P_ int flags EV_CPP (= 0));
530	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 */
531		619
532	/*	620	/*
533	* 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
534	* 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
535	* 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.
…		…
541	* 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
542	* if timeout is < 0, do wait indefinitely	630	* if timeout is < 0, do wait indefinitely
543	*/	631	*/
544	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);
545		633
546	# if EV_MINIMAL < 2	634	# if EV_FEATURE_API
547	unsigned int ev_loop_count (EV_P); /* number of loop iterations */	635	unsigned int ev_iteration (EV_P); /* number of loop iterations */
548	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 */
549	void ev_loop_verify (EV_P); /* abort if loop data corrupted */	637	void ev_verify (EV_P); /* abort if loop data corrupted */
550		638
551	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 */
552	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 */
553		641
554	/* advanced stuff for threading etc. support, see docs */	642	/* advanced stuff for threading etc. support, see docs */
…		…
587	#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 */
588	#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 */
589	#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 */
590	#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)
591	#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 */
592	#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 */
593		682
594	#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)
595	#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)
596	#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)
597	#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)
…		…
600	#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)
601	#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)
602	#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)
603	#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)
604	#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)
605	#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)
606		696
607	#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 */
608	#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 */
609		699
…		…
612	#if EV_MINPRI == EV_MAXPRI	702	#if EV_MINPRI == EV_MAXPRI
613	# define ev_priority(ev) ((ev), EV_MINPRI)	703	# define ev_priority(ev) ((ev), EV_MINPRI)
614	# define ev_set_priority(ev,pri) ((ev), (pri))	704	# define ev_set_priority(ev,pri) ((ev), (pri))
615	#else	705	#else
616	# define ev_priority(ev) (+(((ev_watcher )(void )(ev))->priority))	706	# define ev_priority(ev) (+(((ev_watcher )(void )(ev))->priority))
617	# define ev_set_priority(ev,pri) ( (ev_watcher )(void )(ev))->priority = (pri)	707	# define ev_set_priority(ev,pri) ( (ev_watcher )(void )(ev))->priority = (pri)
618	#endif	708	#endif
619		709
620	#define ev_periodic_at(ev) (+((ev_watcher_time *)(ev))->at)	710	#define ev_periodic_at(ev) (+((ev_watcher_time *)(ev))->at)
621		711
622	#ifndef ev_set_cb	712	#ifndef ev_set_cb
…		…
625		715
626	/* stopping (enabling, adding) a watcher does nothing if it is already running */	716	/* stopping (enabling, adding) a watcher does nothing if it is already running */
627	/* stopping (disabling, deleting) a watcher does nothing unless its already running */	717	/* stopping (disabling, deleting) a watcher does nothing unless its already running */
628	#if EV_PROTOTYPES	718	#if EV_PROTOTYPES
629		719
630	/* feeds an event into a watcher as if the event actually occured */	720	/* feeds an event into a watcher as if the event actually occurred */
631	/* accepts any ev_watcher type */	721	/* accepts any ev_watcher type */
632	void ev_feed_event (EV_P_ void *w, int revents);	722	void ev_feed_event (EV_P_ void *w, int revents);
633	void ev_feed_fd_event (EV_P_ int fd, int revents);	723	void ev_feed_fd_event (EV_P_ int fd, int revents);
		724	#if EV_SIGNAL_ENABLE
		725	void ev_feed_signal (int signum);
634	void ev_feed_signal_event (EV_P_ int signum);	726	void ev_feed_signal_event (EV_P_ int signum);
		727	#endif
635	void ev_invoke (EV_P_ void *w, int revents);	728	void ev_invoke (EV_P_ void *w, int revents);
636	int ev_clear_pending (EV_P_ void *w);	729	int ev_clear_pending (EV_P_ void *w);
637		730
638	void ev_io_start (EV_P_ ev_io *w);	731	void ev_io_start (EV_P_ ev_io *w);
639	void ev_io_stop (EV_P_ ev_io *w);	732	void ev_io_stop (EV_P_ ev_io *w);
…		…
650	void ev_periodic_stop (EV_P_ ev_periodic *w);	743	void ev_periodic_stop (EV_P_ ev_periodic *w);
651	void ev_periodic_again (EV_P_ ev_periodic *w);	744	void ev_periodic_again (EV_P_ ev_periodic *w);
652	#endif	745	#endif
653		746
654	/* only supported in the default loop */	747	/* only supported in the default loop */
		748	#if EV_SIGNAL_ENABLE
655	void ev_signal_start (EV_P_ ev_signal *w);	749	void ev_signal_start (EV_P_ ev_signal *w);
656	void ev_signal_stop (EV_P_ ev_signal *w);	750	void ev_signal_stop (EV_P_ ev_signal *w);
		751	#endif
657		752
658	/* only supported in the default loop */	753	/* only supported in the default loop */
		754	# if EV_CHILD_ENABLE
659	void ev_child_start (EV_P_ ev_child *w);	755	void ev_child_start (EV_P_ ev_child *w);
660	void ev_child_stop (EV_P_ ev_child *w);	756	void ev_child_stop (EV_P_ ev_child *w);
		757	# endif
661		758
662	# if EV_STAT_ENABLE	759	# if EV_STAT_ENABLE
663	void ev_stat_start (EV_P_ ev_stat *w);	760	void ev_stat_start (EV_P_ ev_stat *w);
664	void ev_stat_stop (EV_P_ ev_stat *w);	761	void ev_stat_stop (EV_P_ ev_stat *w);
665	void ev_stat_stat (EV_P_ ev_stat *w);	762	void ev_stat_stat (EV_P_ ev_stat *w);
…		…
668	# if EV_IDLE_ENABLE	765	# if EV_IDLE_ENABLE
669	void ev_idle_start (EV_P_ ev_idle *w);	766	void ev_idle_start (EV_P_ ev_idle *w);
670	void ev_idle_stop (EV_P_ ev_idle *w);	767	void ev_idle_stop (EV_P_ ev_idle *w);
671	# endif	768	# endif
672		769
		770	#if EV_PREPARE_ENABLE
673	void ev_prepare_start (EV_P_ ev_prepare *w);	771	void ev_prepare_start (EV_P_ ev_prepare *w);
674	void ev_prepare_stop (EV_P_ ev_prepare *w);	772	void ev_prepare_stop (EV_P_ ev_prepare *w);
		773	#endif
675		774
		775	#if EV_CHECK_ENABLE
676	void ev_check_start (EV_P_ ev_check *w);	776	void ev_check_start (EV_P_ ev_check *w);
677	void ev_check_stop (EV_P_ ev_check *w);	777	void ev_check_stop (EV_P_ ev_check *w);
		778	#endif
678		779
679	# if EV_FORK_ENABLE	780	# if EV_FORK_ENABLE
680	void ev_fork_start (EV_P_ ev_fork *w);	781	void ev_fork_start (EV_P_ ev_fork *w);
681	void ev_fork_stop (EV_P_ ev_fork *w);	782	void ev_fork_stop (EV_P_ ev_fork *w);
		783	# endif
		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);
682	# endif	788	# endif
683		789
684	# if EV_EMBED_ENABLE	790	# if EV_EMBED_ENABLE
685	/* only supported when loop to be embedded is in fact embeddable */	791	/* only supported when loop to be embedded is in fact embeddable */
686	void ev_embed_start (EV_P_ ev_embed *w);	792	void ev_embed_start (EV_P_ ev_embed *w);
…		…
692	void ev_async_start (EV_P_ ev_async *w);	798	void ev_async_start (EV_P_ ev_async *w);
693	void ev_async_stop (EV_P_ ev_async *w);	799	void ev_async_stop (EV_P_ ev_async *w);
694	void ev_async_send (EV_P_ ev_async *w);	800	void ev_async_send (EV_P_ ev_async *w);
695	# endif	801	# endif
696		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
697	#endif	819	#endif
698		820	#else
699	#ifdef __cplusplus	821	typedef struct ev_loop ev_loop;
700	}
701	#endif	822	#endif
702		823
703	#endif	824	#endif
704		825
		826	EV_CPP(})
		827
		828	#endif
		829

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Comparing libev/ev.h (file contents): Revision 1.128 by root, Tue Oct 20 00:50:31 2009 UTC vs. Revision 1.161 by root, Sat Oct 15 09:05:03 2011 UTC

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Comparing libev/ev.h (file contents):
Revision 1.128 by root, Tue Oct 20 00:50:31 2009 UTC vs.
Revision 1.161 by root, Sat Oct 15 09:05:03 2011 UTC