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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 1.138 by root, Tue Mar 16 20:32:20 2010 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 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 *
42 42
43#ifdef __cplusplus 43#ifdef __cplusplus
44extern "C" { 44extern "C" {
45#endif 45#endif
46 46
47typedef double ev_tstamp; 47/*****************************************************************************/
48 48
49#ifndef EV_FEATURES
50# define EV_FEATURES 0x7f
51#endif
52
53#define EV_FEATURE_CODE ((EV_FEATURES) & 1)
54#define EV_FEATURE_DATA ((EV_FEATURES) & 2)
55#define EV_FEATURE_CONFIG ((EV_FEATURES) & 4)
56#define EV_FEATURE_API ((EV_FEATURES) & 8)
57#define EV_FEATURE_WATCHERS ((EV_FEATURES) & 16)
58#define EV_FEATURE_BACKENDS ((EV_FEATURES) & 32)
59#define EV_FEATURE_OS ((EV_FEATURES) & 64)
60
49/* these priorities are inclusive, higher priorities will be called earlier */ 61/* these priorities are inclusive, higher priorities will be invoked earlier */
50#ifndef EV_MINPRI 62#ifndef EV_MINPRI
51# define EV_MINPRI -2 63# define EV_MINPRI (EV_FEATURE_CONFIG ? -2 : 0)
52#endif 64#endif
53#ifndef EV_MAXPRI 65#ifndef EV_MAXPRI
54# define EV_MAXPRI +2 66# define EV_MAXPRI (EV_FEATURE_CONFIG ? +2 : 0)
55#endif 67#endif
56 68
57#ifndef EV_MULTIPLICITY 69#ifndef EV_MULTIPLICITY
58# define EV_MULTIPLICITY 1 70# define EV_MULTIPLICITY EV_FEATURE_CONFIG
59#endif 71#endif
60 72
61#ifndef EV_PERIODIC_ENABLE 73#ifndef EV_PERIODIC_ENABLE
62# define EV_PERIODIC_ENABLE 1 74# define EV_PERIODIC_ENABLE EV_FEATURE_WATCHERS
63#endif 75#endif
64 76
65#ifndef EV_STAT_ENABLE 77#ifndef EV_STAT_ENABLE
66# define EV_STAT_ENABLE 1 78# define EV_STAT_ENABLE EV_FEATURE_WATCHERS
67#endif 79#endif
68 80
69#ifndef EV_PREPARE_ENABLE 81#ifndef EV_PREPARE_ENABLE
70# define EV_PREPARE_ENABLE 1 82# define EV_PREPARE_ENABLE EV_FEATURE_WATCHERS
71#endif 83#endif
72 84
73#ifndef EV_CHECK_ENABLE 85#ifndef EV_CHECK_ENABLE
74# define EV_CHECK_ENABLE 1 86# define EV_CHECK_ENABLE EV_FEATURE_WATCHERS
75#endif 87#endif
76 88
77#ifndef EV_IDLE_ENABLE 89#ifndef EV_IDLE_ENABLE
78# define EV_IDLE_ENABLE 1 90# define EV_IDLE_ENABLE EV_FEATURE_WATCHERS
79#endif 91#endif
80 92
81#ifndef EV_FORK_ENABLE 93#ifndef EV_FORK_ENABLE
82# define EV_FORK_ENABLE 1 94# define EV_FORK_ENABLE EV_FEATURE_WATCHERS
83#endif 95#endif
84 96
85#ifndef EV_SIGNAL_ENABLE 97#ifndef EV_SIGNAL_ENABLE
86# define EV_SIGNAL_ENABLE 1 98# define EV_SIGNAL_ENABLE EV_FEATURE_WATCHERS
87#endif 99#endif
88 100
89#ifndef EV_CHILD_ENABLE 101#ifndef EV_CHILD_ENABLE
90# ifdef _WIN32 102# ifdef _WIN32
91# define EV_CHILD_ENABLE 0 103# define EV_CHILD_ENABLE 0
92# else 104# else
93# define EV_CHILD_ENABLE 1 105# define EV_CHILD_ENABLE EV_FEATURE_WATCHERS
94#endif 106#endif
95#endif 107#endif
96 108
97#ifndef EV_ASYNC_ENABLE 109#ifndef EV_ASYNC_ENABLE
98# define EV_ASYNC_ENABLE 1 110# define EV_ASYNC_ENABLE EV_FEATURE_WATCHERS
99#endif 111#endif
100 112
101#ifndef EV_EMBED_ENABLE 113#ifndef EV_EMBED_ENABLE
102# define EV_EMBED_ENABLE 1 114# define EV_EMBED_ENABLE EV_FEATURE_WATCHERS
103#endif 115#endif
104 116
105#ifndef EV_WALK_ENABLE 117#ifndef EV_WALK_ENABLE
106# define EV_WALK_ENABLE 0 /* not yet */ 118# define EV_WALK_ENABLE 0 /* not yet */
107#endif 119#endif
120
121/*****************************************************************************/
122
123#if EV_CHILD_ENABLE && !EV_SIGNAL_ENABLE
124# undef EV_SIGNAL_ENABLE
125# define EV_SIGNAL_ENABLE 1
126#endif
127
128/*****************************************************************************/
129
130typedef double ev_tstamp;
108 131
109#ifndef EV_ATOMIC_T 132#ifndef EV_ATOMIC_T
110# include <signal.h> 133# include <signal.h>
111# define EV_ATOMIC_T sig_atomic_t volatile 134# 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 135#endif
120 136
121#if EV_STAT_ENABLE 137#if EV_STAT_ENABLE
122# ifdef _WIN32 138# ifdef _WIN32
123# include <time.h> 139# include <time.h>
153# define EV_INLINE static inline 169# define EV_INLINE static inline
154#else 170#else
155# define EV_INLINE static 171# define EV_INLINE static
156#endif 172#endif
157 173
174#ifndef EV_PROTOTYPES
175# define EV_PROTOTYPES 1
176#endif
177
158/*****************************************************************************/ 178/*****************************************************************************/
179
180#define EV_VERSION_MAJOR 4
181#define EV_VERSION_MINOR 0
159 182
160/* eventmask, revents, events... */ 183/* eventmask, revents, events... */
161#define EV_UNDEF -1 /* guaranteed to be invalid */ 184#define EV_UNDEF -1 /* guaranteed to be invalid */
162#define EV_NONE 0x00 /* no events */ 185#define EV_NONE 0x00 /* no events */
163#define EV_READ 0x01 /* ev_io detected read will not block */ 186#define EV_READ 0x01 /* ev_io detected read will not block */
181 204
182/* can be used to add custom fields to all watchers, while losing binary compatibility */ 205/* can be used to add custom fields to all watchers, while losing binary compatibility */
183#ifndef EV_COMMON 206#ifndef EV_COMMON
184# define EV_COMMON void *data; 207# define EV_COMMON void *data;
185#endif 208#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
192 209
193#ifndef EV_CB_DECLARE 210#ifndef EV_CB_DECLARE
194# define EV_CB_DECLARE(type) void (*cb)(EV_P_ struct type *w, int revents); 211# define EV_CB_DECLARE(type) void (*cb)(EV_P_ struct type *w, int revents);
195#endif 212#endif
196#ifndef EV_CB_INVOKE 213#ifndef EV_CB_INVOKE
197# define EV_CB_INVOKE(watcher,revents) (watcher)->cb (EV_A_ (watcher), (revents)) 214# define EV_CB_INVOKE(watcher,revents) (watcher)->cb (EV_A_ (watcher), (revents))
198#endif 215#endif
216
217/* not official, do not use */
218#define EV_CB(type,name) void name (EV_P_ struct ev_ ## type *w, int revents)
199 219
200/* 220/*
201 * struct member types: 221 * struct member types:
202 * private: you may look at them, but not change them, 222 * private: you may look at them, but not change them,
203 * and they might not mean anything to you. 223 * and they might not mean anything to you.
214 * or the array index + 1 in the pendings array. 234 * or the array index + 1 in the pendings array.
215 */ 235 */
216 236
217#if EV_MINPRI == EV_MAXPRI 237#if EV_MINPRI == EV_MAXPRI
218# define EV_DECL_PRIORITY 238# define EV_DECL_PRIORITY
219#else 239#elif !defined (EV_DECL_PRIORITY)
220# define EV_DECL_PRIORITY int priority; 240# define EV_DECL_PRIORITY int priority;
221#endif 241#endif
222 242
223/* shared by all watchers */ 243/* shared by all watchers */
224#define EV_WATCHER(type) \ 244#define EV_WATCHER(type) \
567 * convenience function, wait for a single event, without registering an event watcher 587 * convenience function, wait for a single event, without registering an event watcher
568 * if timeout is < 0, do wait indefinitely 588 * if timeout is < 0, do wait indefinitely
569 */ 589 */
570void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg); 590void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg);
571 591
572# if EV_MINIMAL < 2 592# if EV_FEATURE_API
573unsigned int ev_loop_count (EV_P); /* number of loop iterations */ 593unsigned int ev_iteration (EV_P); /* number of loop iterations */
574unsigned int ev_loop_depth (EV_P); /* #ev_loop enters - #ev_loop leaves */ 594unsigned int ev_depth (EV_P); /* #ev_loop enters - #ev_loop leaves */
575void ev_loop_verify (EV_P); /* abort if loop data corrupted */ 595void ev_verify (EV_P); /* abort if loop data corrupted */
596
597/* pre 4.0 API */
598# if EV_MULTIPLICITY
599# define ev_loop_count(l) ev_iteration (l)
600# define ev_loop_depth(l) ev_depth (l)
601# endif
576 602
577void ev_set_io_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */ 603void ev_set_io_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */
578void ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */ 604void ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */
579 605
580/* advanced stuff for threading etc. support, see docs */ 606/* advanced stuff for threading etc. support, see docs */

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