1 | /* |
1 | /* |
2 | * libev native API header |
2 | * libev native API header |
3 | * |
3 | * |
4 | * Copyright (c) 2007,2008 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, |
… | |
… | |
35 | * and other provisions required by the GPL. If you do not delete the |
35 | * and other provisions required by the GPL. If you do not delete the |
36 | * provisions above, a recipient may use your version of this file under |
36 | * provisions above, a recipient may use your version of this file under |
37 | * either the BSD or the GPL. |
37 | * either the BSD or the GPL. |
38 | */ |
38 | */ |
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 |
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|
46 | # define EV_CPP(x) |
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|
47 | #endif |
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|
48 | |
44 | extern "C" { |
49 | EV_CPP(extern "C" {) |
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50 | |
|
|
51 | /*****************************************************************************/ |
|
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52 | |
|
|
53 | /* pre-4.0 compatibility */ |
|
|
54 | #ifndef EV_COMPAT3 |
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|
55 | # define EV_COMPAT3 1 |
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|
56 | #endif |
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57 | |
|
|
58 | #ifndef EV_FEATURES |
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|
59 | # if defined __OPTIMIZE_SIZE__ |
|
|
60 | # define EV_FEATURES 0x7c |
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61 | # else |
|
|
62 | # define EV_FEATURES 0x7f |
45 | #endif |
63 | # endif |
|
|
64 | #endif |
|
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65 | |
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|
66 | #define EV_FEATURE_CODE ((EV_FEATURES) & 1) |
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67 | #define EV_FEATURE_DATA ((EV_FEATURES) & 2) |
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68 | #define EV_FEATURE_CONFIG ((EV_FEATURES) & 4) |
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69 | #define EV_FEATURE_API ((EV_FEATURES) & 8) |
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|
70 | #define EV_FEATURE_WATCHERS ((EV_FEATURES) & 16) |
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|
71 | #define EV_FEATURE_BACKENDS ((EV_FEATURES) & 32) |
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|
72 | #define EV_FEATURE_OS ((EV_FEATURES) & 64) |
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73 | |
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74 | /* these priorities are inclusive, higher priorities will be invoked earlier */ |
|
|
75 | #ifndef EV_MINPRI |
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|
76 | # define EV_MINPRI (EV_FEATURE_CONFIG ? -2 : 0) |
|
|
77 | #endif |
|
|
78 | #ifndef EV_MAXPRI |
|
|
79 | # define EV_MAXPRI (EV_FEATURE_CONFIG ? +2 : 0) |
|
|
80 | #endif |
|
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81 | |
|
|
82 | #ifndef EV_MULTIPLICITY |
|
|
83 | # define EV_MULTIPLICITY EV_FEATURE_CONFIG |
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|
84 | #endif |
|
|
85 | |
|
|
86 | #ifndef EV_PERIODIC_ENABLE |
|
|
87 | # define EV_PERIODIC_ENABLE EV_FEATURE_WATCHERS |
|
|
88 | #endif |
|
|
89 | |
|
|
90 | #ifndef EV_STAT_ENABLE |
|
|
91 | # define EV_STAT_ENABLE EV_FEATURE_WATCHERS |
|
|
92 | #endif |
|
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93 | |
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|
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 |
|
|
100 | #endif |
|
|
101 | |
|
|
102 | #ifndef EV_IDLE_ENABLE |
|
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103 | # define EV_IDLE_ENABLE EV_FEATURE_WATCHERS |
|
|
104 | #endif |
|
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105 | |
|
|
106 | #ifndef EV_FORK_ENABLE |
|
|
107 | # define EV_FORK_ENABLE EV_FEATURE_WATCHERS |
|
|
108 | #endif |
|
|
109 | |
|
|
110 | #ifndef EV_CLEANUP_ENABLE |
|
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111 | # define EV_CLEANUP_ENABLE EV_FEATURE_WATCHERS |
|
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112 | #endif |
|
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113 | |
|
|
114 | #ifndef EV_SIGNAL_ENABLE |
|
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115 | # define EV_SIGNAL_ENABLE EV_FEATURE_WATCHERS |
|
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116 | #endif |
|
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117 | |
|
|
118 | #ifndef EV_CHILD_ENABLE |
|
|
119 | # ifdef _WIN32 |
|
|
120 | # define EV_CHILD_ENABLE 0 |
|
|
121 | # else |
|
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122 | # define EV_CHILD_ENABLE EV_FEATURE_WATCHERS |
|
|
123 | #endif |
|
|
124 | #endif |
|
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125 | |
|
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126 | #ifndef EV_ASYNC_ENABLE |
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127 | # define EV_ASYNC_ENABLE EV_FEATURE_WATCHERS |
|
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128 | #endif |
|
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129 | |
|
|
130 | #ifndef EV_EMBED_ENABLE |
|
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131 | # define EV_EMBED_ENABLE EV_FEATURE_WATCHERS |
|
|
132 | #endif |
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133 | |
|
|
134 | #ifndef EV_WALK_ENABLE |
|
|
135 | # define EV_WALK_ENABLE 0 /* not yet */ |
|
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136 | #endif |
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137 | |
|
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138 | /*****************************************************************************/ |
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139 | |
|
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140 | #if EV_CHILD_ENABLE && !EV_SIGNAL_ENABLE |
|
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141 | # undef EV_SIGNAL_ENABLE |
|
|
142 | # define EV_SIGNAL_ENABLE 1 |
|
|
143 | #endif |
|
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144 | |
|
|
145 | /*****************************************************************************/ |
46 | |
146 | |
47 | typedef double ev_tstamp; |
147 | typedef double ev_tstamp; |
48 | |
|
|
49 | /* these priorities are inclusive, higher priorities will be called earlier */ |
|
|
50 | #ifndef EV_MINPRI |
|
|
51 | # define EV_MINPRI -2 |
|
|
52 | #endif |
|
|
53 | #ifndef EV_MAXPRI |
|
|
54 | # define EV_MAXPRI +2 |
|
|
55 | #endif |
|
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56 | |
|
|
57 | #ifndef EV_MULTIPLICITY |
|
|
58 | # define EV_MULTIPLICITY 1 |
|
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59 | #endif |
|
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60 | |
|
|
61 | #ifndef EV_PERIODIC_ENABLE |
|
|
62 | # define EV_PERIODIC_ENABLE 1 |
|
|
63 | #endif |
|
|
64 | |
|
|
65 | #ifndef EV_STAT_ENABLE |
|
|
66 | # define EV_STAT_ENABLE 1 |
|
|
67 | #endif |
|
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68 | |
|
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69 | #ifndef EV_IDLE_ENABLE |
|
|
70 | # define EV_IDLE_ENABLE 1 |
|
|
71 | #endif |
|
|
72 | |
|
|
73 | #ifndef EV_FORK_ENABLE |
|
|
74 | # define EV_FORK_ENABLE 1 |
|
|
75 | #endif |
|
|
76 | |
|
|
77 | #ifndef EV_EMBED_ENABLE |
|
|
78 | # define EV_EMBED_ENABLE 1 |
|
|
79 | #endif |
|
|
80 | |
|
|
81 | #ifndef EV_ASYNC_ENABLE |
|
|
82 | # define EV_ASYNC_ENABLE 1 |
|
|
83 | #endif |
|
|
84 | |
148 | |
85 | #ifndef EV_ATOMIC_T |
149 | #ifndef EV_ATOMIC_T |
86 | # include <signal.h> |
150 | # include <signal.h> |
87 | # define EV_ATOMIC_T sig_atomic_t volatile |
151 | # define EV_ATOMIC_T sig_atomic_t volatile |
88 | #endif |
152 | #endif |
89 | |
153 | |
90 | /*****************************************************************************/ |
|
|
91 | |
|
|
92 | #if EV_STAT_ENABLE |
154 | #if EV_STAT_ENABLE |
|
|
155 | # ifdef _WIN32 |
|
|
156 | # include <time.h> |
|
|
157 | # include <sys/types.h> |
|
|
158 | # endif |
93 | # include <sys/stat.h> |
159 | # include <sys/stat.h> |
94 | #endif |
160 | #endif |
95 | |
161 | |
96 | /* support multiple event loops? */ |
162 | /* support multiple event loops? */ |
97 | #if EV_MULTIPLICITY |
163 | #if EV_MULTIPLICITY |
98 | struct ev_loop; |
164 | struct ev_loop; |
99 | # define EV_P struct ev_loop *loop |
165 | # define EV_P struct ev_loop *loop /* a loop as sole parameter in a declaration */ |
100 | # define EV_P_ EV_P, |
166 | # define EV_P_ EV_P, /* a loop as first of multiple parameters */ |
101 | # define EV_A loop |
167 | # define EV_A loop /* a loop as sole argument to a function call */ |
102 | # define EV_A_ EV_A, |
168 | # define EV_A_ EV_A, /* a loop as first of multiple arguments */ |
103 | # 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 */ |
104 | # define EV_DEFAULT_UC_ EV_DEFAULT_UC, |
170 | # define EV_DEFAULT_UC_ EV_DEFAULT_UC, /* the default loop as first of multiple arguments */ |
105 | # define EV_DEFAULT ev_default_loop (0) |
171 | # define EV_DEFAULT ev_default_loop (0) /* the default loop as sole arg */ |
106 | # define EV_DEFAULT_ EV_DEFAULT, |
172 | # define EV_DEFAULT_ EV_DEFAULT, /* the default loop as first of multiple arguments */ |
107 | #else |
173 | #else |
108 | # define EV_P void |
174 | # define EV_P void |
109 | # define EV_P_ |
175 | # define EV_P_ |
110 | # define EV_A |
176 | # define EV_A |
111 | # define EV_A_ |
177 | # define EV_A_ |
… | |
… | |
114 | # define EV_DEFAULT_UC |
180 | # define EV_DEFAULT_UC |
115 | # define EV_DEFAULT_UC_ |
181 | # define EV_DEFAULT_UC_ |
116 | # undef EV_EMBED_ENABLE |
182 | # undef EV_EMBED_ENABLE |
117 | #endif |
183 | #endif |
118 | |
184 | |
|
|
185 | /* EV_INLINE is used for functions in header files */ |
119 | #if __STDC_VERSION__ >= 199901L || __GNUC__ >= 3 |
186 | #if __STDC_VERSION__ >= 199901L || __GNUC__ >= 3 |
120 | # define EV_INLINE static inline |
187 | # define EV_INLINE static inline |
121 | #else |
188 | #else |
122 | # define EV_INLINE static |
189 | # define EV_INLINE static |
123 | #endif |
190 | #endif |
124 | |
191 | |
|
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192 | #ifdef EV_API_STATIC |
|
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193 | # define EV_API_DECL static |
|
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194 | #else |
|
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195 | # define EV_API_DECL extern |
|
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196 | #endif |
|
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197 | |
|
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198 | /* EV_PROTOTYPES can be used to switch of prototype declarations */ |
|
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199 | #ifndef EV_PROTOTYPES |
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200 | # define EV_PROTOTYPES 1 |
|
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201 | #endif |
|
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202 | |
125 | /*****************************************************************************/ |
203 | /*****************************************************************************/ |
126 | |
204 | |
|
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205 | #define EV_VERSION_MAJOR 4 |
|
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206 | #define EV_VERSION_MINOR 11 |
|
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207 | |
127 | /* eventmask, revents, events... */ |
208 | /* eventmask, revents, events... */ |
128 | #define EV_UNDEF -1L /* guaranteed to be invalid */ |
209 | enum { |
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210 | EV_UNDEF = 0xFFFFFFFF, /* guaranteed to be invalid */ |
129 | #define EV_NONE 0x00L /* no events */ |
211 | EV_NONE = 0x00, /* no events */ |
130 | #define EV_READ 0x01L /* ev_io detected read will not block */ |
212 | EV_READ = 0x01, /* ev_io detected read will not block */ |
131 | #define EV_WRITE 0x02L /* ev_io detected write will not block */ |
213 | EV_WRITE = 0x02, /* ev_io detected write will not block */ |
132 | #define EV_IOFDSET 0x80L /* internal use only */ |
214 | EV__IOFDSET = 0x80, /* internal use only */ |
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215 | EV_IO = EV_READ, /* alias for type-detection */ |
133 | #define EV_TIMEOUT 0x00000100L /* timer timed out */ |
216 | EV_TIMER = 0x00000100, /* timer timed out */ |
|
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217 | #if EV_COMPAT3 |
|
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218 | EV_TIMEOUT = EV_TIMER, /* pre 4.0 API compatibility */ |
|
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219 | #endif |
134 | #define EV_PERIODIC 0x00000200L /* periodic timer timed out */ |
220 | EV_PERIODIC = 0x00000200, /* periodic timer timed out */ |
135 | #define EV_SIGNAL 0x00000400L /* signal was received */ |
221 | EV_SIGNAL = 0x00000400, /* signal was received */ |
136 | #define EV_CHILD 0x00000800L /* child/pid had status change */ |
222 | EV_CHILD = 0x00000800, /* child/pid had status change */ |
137 | #define EV_STAT 0x00001000L /* stat data changed */ |
223 | EV_STAT = 0x00001000, /* stat data changed */ |
138 | #define EV_IDLE 0x00002000L /* event loop is idling */ |
224 | EV_IDLE = 0x00002000, /* event loop is idling */ |
139 | #define EV_PREPARE 0x00004000L /* event loop about to poll */ |
225 | EV_PREPARE = 0x00004000, /* event loop about to poll */ |
140 | #define EV_CHECK 0x00008000L /* event loop finished poll */ |
226 | EV_CHECK = 0x00008000, /* event loop finished poll */ |
141 | #define EV_EMBED 0x00010000L /* embedded event loop needs sweep */ |
227 | EV_EMBED = 0x00010000, /* embedded event loop needs sweep */ |
142 | #define EV_FORK 0x00020000L /* event loop resumed in child */ |
228 | EV_FORK = 0x00020000, /* event loop resumed in child */ |
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229 | EV_CLEANUP = 0x00040000, /* event loop resumed in child */ |
143 | #define EV_ASYNC 0x00040000L /* async intra-loop signal */ |
230 | EV_ASYNC = 0x00080000, /* async intra-loop signal */ |
|
|
231 | EV_CUSTOM = 0x01000000, /* for use by user code */ |
144 | #define EV_ERROR 0x80000000L /* sent when an error occurs */ |
232 | EV_ERROR = 0x80000000 /* sent when an error occurs */ |
|
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233 | }; |
145 | |
234 | |
146 | /* 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 */ |
147 | #ifndef EV_COMMON |
236 | #ifndef EV_COMMON |
148 | # define EV_COMMON void *data; |
237 | # define EV_COMMON void *data; |
149 | #endif |
238 | #endif |
150 | #ifndef EV_PROTOTYPES |
|
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151 | # define EV_PROTOTYPES 1 |
|
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152 | #endif |
|
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153 | |
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154 | #define EV_VERSION_MAJOR 3 |
|
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155 | #define EV_VERSION_MINOR 0 |
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156 | |
239 | |
157 | #ifndef EV_CB_DECLARE |
240 | #ifndef EV_CB_DECLARE |
158 | # 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); |
159 | #endif |
242 | #endif |
160 | #ifndef EV_CB_INVOKE |
243 | #ifndef EV_CB_INVOKE |
161 | # 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)) |
162 | #endif |
245 | #endif |
163 | |
246 | |
|
|
247 | /* not official, do not use */ |
|
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248 | #define EV_CB(type,name) void name (EV_P_ struct ev_ ## type *w, int revents) |
|
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249 | |
164 | /* |
250 | /* |
165 | * struct member types: |
251 | * struct member types: |
166 | * private: you can look at them, but not change them, and they might not mean anything to you. |
252 | * private: you may look at them, but not change them, |
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253 | * and they might not mean anything to you. |
167 | * ro: can be read anytime, but only changed when the watcher isn't active |
254 | * ro: can be read anytime, but only changed when the watcher isn't active. |
168 | * rw: can be read and modified anytime, even when the watcher is active |
255 | * rw: can be read and modified anytime, even when the watcher is active. |
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256 | * |
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257 | * some internal details that might be helpful for debugging: |
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258 | * |
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259 | * active is either 0, which means the watcher is not active, |
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260 | * or the array index of the watcher (periodics, timers) |
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261 | * or the array index + 1 (most other watchers) |
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262 | * or simply 1 for watchers that aren't in some array. |
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263 | * pending is either 0, in which case the watcher isn't, |
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264 | * or the array index + 1 in the pendings array. |
169 | */ |
265 | */ |
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266 | |
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267 | #if EV_MINPRI == EV_MAXPRI |
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268 | # define EV_DECL_PRIORITY |
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269 | #elif !defined (EV_DECL_PRIORITY) |
|
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270 | # define EV_DECL_PRIORITY int priority; |
|
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271 | #endif |
170 | |
272 | |
171 | /* shared by all watchers */ |
273 | /* shared by all watchers */ |
172 | #define EV_WATCHER(type) \ |
274 | #define EV_WATCHER(type) \ |
173 | int active; /* private */ \ |
275 | int active; /* private */ \ |
174 | int pending; /* private */ \ |
276 | int pending; /* private */ \ |
175 | int priority; /* private */ \ |
277 | EV_DECL_PRIORITY /* private */ \ |
176 | EV_COMMON /* rw */ \ |
278 | EV_COMMON /* rw */ \ |
177 | EV_CB_DECLARE (type) /* private */ |
279 | EV_CB_DECLARE (type) /* private */ |
178 | |
280 | |
179 | #define EV_WATCHER_LIST(type) \ |
281 | #define EV_WATCHER_LIST(type) \ |
180 | EV_WATCHER (type) \ |
282 | EV_WATCHER (type) \ |
… | |
… | |
302 | EV_WATCHER (ev_check) |
404 | EV_WATCHER (ev_check) |
303 | } ev_check; |
405 | } ev_check; |
304 | |
406 | |
305 | #if EV_FORK_ENABLE |
407 | #if EV_FORK_ENABLE |
306 | /* 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 */ |
|
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409 | /* revent EV_FORK */ |
307 | typedef struct ev_fork |
410 | typedef struct ev_fork |
308 | { |
411 | { |
309 | EV_WATCHER (ev_fork) |
412 | EV_WATCHER (ev_fork) |
310 | } ev_fork; |
413 | } ev_fork; |
|
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414 | #endif |
|
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415 | |
|
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416 | #if EV_CLEANUP_ENABLE |
|
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417 | /* is invoked just before the loop gets destroyed */ |
|
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418 | /* revent EV_CLEANUP */ |
|
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419 | typedef struct ev_cleanup |
|
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420 | { |
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421 | EV_WATCHER (ev_cleanup) |
|
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422 | } ev_cleanup; |
311 | #endif |
423 | #endif |
312 | |
424 | |
313 | #if EV_EMBED_ENABLE |
425 | #if EV_EMBED_ENABLE |
314 | /* used to embed an event loop inside another */ |
426 | /* used to embed an event loop inside another */ |
315 | /* 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 */ |
… | |
… | |
322 | ev_prepare prepare; /* private */ |
434 | ev_prepare prepare; /* private */ |
323 | ev_check check; /* unused */ |
435 | ev_check check; /* unused */ |
324 | ev_timer timer; /* unused */ |
436 | ev_timer timer; /* unused */ |
325 | ev_periodic periodic; /* unused */ |
437 | ev_periodic periodic; /* unused */ |
326 | ev_idle idle; /* unused */ |
438 | ev_idle idle; /* unused */ |
327 | ev_fork fork; /* unused */ |
439 | ev_fork fork; /* private */ |
|
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440 | #if EV_CLEANUP_ENABLE |
|
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441 | ev_cleanup cleanup; /* unused */ |
|
|
442 | #endif |
328 | } ev_embed; |
443 | } ev_embed; |
329 | #endif |
444 | #endif |
330 | |
445 | |
331 | #if EV_ASYNC_ENABLE |
446 | #if EV_ASYNC_ENABLE |
332 | /* invoked when somebody calls ev_async_send on the watcher */ |
447 | /* invoked when somebody calls ev_async_send on the watcher */ |
… | |
… | |
336 | EV_WATCHER (ev_async) |
451 | EV_WATCHER (ev_async) |
337 | |
452 | |
338 | EV_ATOMIC_T sent; /* private */ |
453 | EV_ATOMIC_T sent; /* private */ |
339 | } ev_async; |
454 | } ev_async; |
340 | |
455 | |
341 | # define ev_async_pending(w) (((w)->sent + 0) |
456 | # define ev_async_pending(w) (+(w)->sent) |
342 | #endif |
457 | #endif |
343 | |
458 | |
344 | /* the presence of this union forces similar struct layout */ |
459 | /* the presence of this union forces similar struct layout */ |
345 | union ev_any_watcher |
460 | union ev_any_watcher |
346 | { |
461 | { |
… | |
… | |
361 | struct ev_prepare prepare; |
476 | struct ev_prepare prepare; |
362 | struct ev_check check; |
477 | struct ev_check check; |
363 | #if EV_FORK_ENABLE |
478 | #if EV_FORK_ENABLE |
364 | struct ev_fork fork; |
479 | struct ev_fork fork; |
365 | #endif |
480 | #endif |
|
|
481 | #if EV_CLEANUP_ENABLE |
|
|
482 | struct ev_cleanup cleanup; |
|
|
483 | #endif |
366 | #if EV_EMBED_ENABLE |
484 | #if EV_EMBED_ENABLE |
367 | struct ev_embed embed; |
485 | struct ev_embed embed; |
368 | #endif |
486 | #endif |
369 | #if EV_ASYNC_ENABLE |
487 | #if EV_ASYNC_ENABLE |
370 | struct ev_async async; |
488 | struct ev_async async; |
371 | #endif |
489 | #endif |
372 | }; |
490 | }; |
373 | |
491 | |
374 | /* bits for ev_default_loop and ev_loop_new */ |
492 | /* flag bits for ev_default_loop and ev_loop_new */ |
|
|
493 | enum { |
375 | /* the default */ |
494 | /* the default */ |
376 | #define EVFLAG_AUTO 0x00000000UL /* not quite a mask */ |
495 | EVFLAG_AUTO = 0x00000000U, /* not quite a mask */ |
377 | /* flag bits */ |
496 | /* flag bits */ |
378 | #define EVFLAG_NOENV 0x01000000UL /* do NOT consult environment */ |
497 | EVFLAG_NOENV = 0x01000000U, /* do NOT consult environment */ |
379 | #define EVFLAG_FORKCHECK 0x02000000UL /* check for a fork in each iteration */ |
498 | EVFLAG_FORKCHECK = 0x02000000U, /* check for a fork in each iteration */ |
|
|
499 | /* debugging/feature disable */ |
|
|
500 | EVFLAG_NOINOTIFY = 0x00100000U, /* do not attempt to use inotify */ |
|
|
501 | #if EV_COMPAT3 |
|
|
502 | EVFLAG_NOSIGFD = 0, /* compatibility to pre-3.9 */ |
|
|
503 | #endif |
|
|
504 | EVFLAG_SIGNALFD = 0x00200000U, /* attempt to use signalfd */ |
|
|
505 | EVFLAG_NOSIGMASK = 0x00400000U /* avoid modifying the signal mask */ |
|
|
506 | }; |
|
|
507 | |
380 | /* method bits to be ored together */ |
508 | /* method bits to be ored together */ |
|
|
509 | enum { |
381 | #define EVBACKEND_SELECT 0x00000001UL /* about anywhere */ |
510 | EVBACKEND_SELECT = 0x00000001U, /* about anywhere */ |
382 | #define EVBACKEND_POLL 0x00000002UL /* !win */ |
511 | EVBACKEND_POLL = 0x00000002U, /* !win */ |
383 | #define EVBACKEND_EPOLL 0x00000004UL /* linux */ |
512 | EVBACKEND_EPOLL = 0x00000004U, /* linux */ |
384 | #define EVBACKEND_KQUEUE 0x00000008UL /* bsd */ |
513 | EVBACKEND_KQUEUE = 0x00000008U, /* bsd */ |
385 | #define EVBACKEND_DEVPOLL 0x00000010UL /* solaris 8 */ /* NYI */ |
514 | EVBACKEND_DEVPOLL = 0x00000010U, /* solaris 8 */ /* NYI */ |
386 | #define EVBACKEND_PORT 0x00000020UL /* solaris 10 */ |
515 | EVBACKEND_PORT = 0x00000020U, /* solaris 10 */ |
|
|
516 | EVBACKEND_ALL = 0x0000003FU, /* all known backends */ |
|
|
517 | EVBACKEND_MASK = 0x0000FFFFU /* all future backends */ |
|
|
518 | }; |
387 | |
519 | |
388 | #if EV_PROTOTYPES |
520 | #if EV_PROTOTYPES |
389 | int ev_version_major (void); |
521 | EV_API_DECL int ev_version_major (void); |
390 | int ev_version_minor (void); |
522 | EV_API_DECL int ev_version_minor (void); |
391 | |
523 | |
392 | unsigned int ev_supported_backends (void); |
524 | EV_API_DECL unsigned int ev_supported_backends (void); |
393 | unsigned int ev_recommended_backends (void); |
525 | EV_API_DECL unsigned int ev_recommended_backends (void); |
394 | unsigned int ev_embeddable_backends (void); |
526 | EV_API_DECL unsigned int ev_embeddable_backends (void); |
395 | |
527 | |
396 | ev_tstamp ev_time (void); |
528 | EV_API_DECL ev_tstamp ev_time (void); |
397 | void ev_sleep (ev_tstamp delay); /* sleep for a while */ |
529 | EV_API_DECL void ev_sleep (ev_tstamp delay); /* sleep for a while */ |
398 | |
530 | |
399 | /* Sets the allocation function to use, works like realloc. |
531 | /* Sets the allocation function to use, works like realloc. |
400 | * It is used to allocate and free memory. |
532 | * It is used to allocate and free memory. |
401 | * 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 |
402 | * or take some potentially destructive action. |
534 | * or take some potentially destructive action. |
403 | * The default is your system realloc function. |
535 | * The default is your system realloc function. |
404 | */ |
536 | */ |
405 | void ev_set_allocator (void *(*cb)(void *ptr, long size)); |
537 | EV_API_DECL void ev_set_allocator (void *(*cb)(void *ptr, long size)); |
406 | |
538 | |
407 | /* set the callback function to call on a |
539 | /* set the callback function to call on a |
408 | * retryable syscall error |
540 | * retryable syscall error |
409 | * (such as failed select, poll, epoll_wait) |
541 | * (such as failed select, poll, epoll_wait) |
410 | */ |
542 | */ |
411 | void ev_set_syserr_cb (void (*cb)(const char *msg)); |
543 | EV_API_DECL void ev_set_syserr_cb (void (*cb)(const char *msg)); |
412 | |
544 | |
413 | # 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 | |
414 | EV_INLINE struct ev_loop * |
555 | EV_INLINE struct ev_loop * |
415 | ev_default_loop_uc (void) |
556 | ev_default_loop_uc_ (void) |
416 | { |
557 | { |
417 | extern struct ev_loop *ev_default_loop_ptr; |
558 | extern struct ev_loop *ev_default_loop_ptr; |
418 | |
559 | |
419 | return ev_default_loop_ptr; |
560 | return ev_default_loop_ptr; |
420 | } |
561 | } |
421 | |
562 | |
422 | /* the default loop is the only one that handles signals and child watchers */ |
563 | EV_INLINE int |
423 | /* you can call this as often as you like */ |
564 | ev_is_default_loop (EV_P) |
424 | EV_INLINE struct ev_loop * |
|
|
425 | ev_default_loop (unsigned int flags) |
|
|
426 | { |
565 | { |
427 | struct ev_loop *loop = ev_default_loop_uc (); |
566 | return EV_A == EV_DEFAULT_UC; |
428 | |
|
|
429 | if (!loop) |
|
|
430 | { |
|
|
431 | extern struct ev_loop *ev_default_loop_init (unsigned int flags); |
|
|
432 | |
|
|
433 | loop = ev_default_loop_init (flags); |
|
|
434 | } |
|
|
435 | |
|
|
436 | return loop; |
|
|
437 | } |
567 | } |
438 | |
568 | |
439 | /* create and destroy alternative loops that don't handle signals */ |
569 | /* create and destroy alternative loops that don't handle signals */ |
440 | 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)); |
441 | void ev_loop_destroy (EV_P); |
|
|
442 | void ev_loop_fork (EV_P); |
|
|
443 | |
571 | |
444 | 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 */ |
445 | |
573 | |
446 | # else |
574 | #else |
447 | |
575 | |
448 | 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; |
449 | |
579 | |
450 | EV_INLINE ev_tstamp |
580 | EV_INLINE ev_tstamp |
451 | ev_now (void) |
581 | ev_now (void) |
452 | { |
582 | { |
453 | extern ev_tstamp ev_rt_now; |
|
|
454 | |
|
|
455 | return ev_rt_now; |
583 | return ev_rt_now; |
456 | } |
584 | } |
457 | # endif |
|
|
458 | |
585 | |
|
|
586 | /* looks weird, but ev_is_default_loop (EV_A) still works if this exists */ |
459 | EV_INLINE int |
587 | EV_INLINE int |
460 | ev_is_default_loop (EV_P) |
588 | ev_is_default_loop (void) |
461 | { |
589 | { |
462 | #if EV_MULTIPLICITY |
|
|
463 | extern struct ev_loop *ev_default_loop_ptr; |
|
|
464 | |
|
|
465 | return !!(EV_A == ev_default_loop_ptr); |
|
|
466 | #else |
|
|
467 | return 1; |
590 | return 1; |
468 | #endif |
|
|
469 | } |
591 | } |
470 | |
592 | |
471 | void ev_default_destroy (void); /* destroy the default loop */ |
593 | #endif /* multiplicity */ |
|
|
594 | |
|
|
595 | /* destroy event loops, also works for the default loop */ |
|
|
596 | EV_API_DECL void ev_loop_destroy (EV_P); |
|
|
597 | |
472 | /* this needs to be called after fork, to duplicate the default loop */ |
598 | /* this needs to be called after fork, to duplicate the loop */ |
473 | /* 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 */ |
474 | /* you can call it in either the parent or the child */ |
600 | /* you can call it in either the parent or the child */ |
475 | /* you can actually call it at any time, anywhere :) */ |
601 | /* you can actually call it at any time, anywhere :) */ |
476 | void ev_default_fork (void); |
602 | EV_API_DECL void ev_loop_fork (EV_P); |
477 | |
603 | |
478 | 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 */ |
479 | unsigned int ev_loop_count (EV_P); /* number of loop iterations */ |
|
|
480 | #endif |
|
|
481 | |
605 | |
482 | #define EVLOOP_NONBLOCK 1 /* do not block/wait */ |
606 | EV_API_DECL void ev_now_update (EV_P); /* update event loop time */ |
483 | #define EVLOOP_ONESHOT 2 /* block *once* only */ |
607 | |
484 | #define EVUNLOOP_CANCEL 0 /* undo unloop */ |
608 | #if EV_WALK_ENABLE |
485 | #define EVUNLOOP_ONE 1 /* unloop once */ |
609 | /* walk (almost) all watchers in the loop of a given type, invoking the */ |
|
|
610 | /* callback on every such watcher. The callback might stop the watcher, */ |
|
|
611 | /* but do nothing else with the loop */ |
|
|
612 | EV_API_DECL void ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)); |
|
|
613 | #endif |
|
|
614 | |
|
|
615 | #endif /* prototypes */ |
|
|
616 | |
|
|
617 | /* ev_run flags values */ |
|
|
618 | enum { |
|
|
619 | EVRUN_NOWAIT = 1, /* do not block/wait */ |
|
|
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 */ |
486 | #define EVUNLOOP_ALL 2 /* unloop all loops */ |
627 | EVBREAK_ALL = 2 /* unloop all loops */ |
|
|
628 | }; |
487 | |
629 | |
488 | #if EV_PROTOTYPES |
630 | #if EV_PROTOTYPES |
489 | void ev_loop (EV_P_ int flags); |
631 | EV_API_DECL int ev_run (EV_P_ int flags EV_CPP (= 0)); |
490 | 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 */ |
491 | |
|
|
492 | void ev_set_io_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */ |
|
|
493 | void ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */ |
|
|
494 | |
633 | |
495 | /* |
634 | /* |
496 | * 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 |
497 | * keeps one reference. if you have a long-runing watcher you never unregister that |
636 | * keeps one reference. if you have a long-running watcher you never unregister that |
498 | * 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. |
499 | */ |
638 | */ |
500 | void ev_ref (EV_P); |
639 | EV_API_DECL void ev_ref (EV_P); |
501 | void ev_unref (EV_P); |
640 | EV_API_DECL void ev_unref (EV_P); |
502 | |
641 | |
|
|
642 | /* |
503 | /* convinience function, wait for a single event, without registering an event watcher */ |
643 | * convenience function, wait for a single event, without registering an event watcher |
504 | /* if timeout is < 0, do wait indefinitely */ |
644 | * if timeout is < 0, do wait indefinitely |
|
|
645 | */ |
505 | 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); |
|
|
647 | |
|
|
648 | # if EV_FEATURE_API |
|
|
649 | EV_API_DECL unsigned int ev_iteration (EV_P); /* number of loop iterations */ |
|
|
650 | EV_API_DECL unsigned int ev_depth (EV_P); /* #ev_loop enters - #ev_loop leaves */ |
|
|
651 | EV_API_DECL void ev_verify (EV_P); /* abort if loop data corrupted */ |
|
|
652 | |
|
|
653 | EV_API_DECL void ev_set_io_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 */ |
|
|
655 | |
|
|
656 | /* advanced stuff for threading etc. support, see docs */ |
|
|
657 | EV_API_DECL void ev_set_userdata (EV_P_ void *data); |
|
|
658 | EV_API_DECL void *ev_userdata (EV_P); |
|
|
659 | EV_API_DECL void ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)); |
|
|
660 | EV_API_DECL void ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P)); |
|
|
661 | |
|
|
662 | EV_API_DECL unsigned int ev_pending_count (EV_P); /* number of pending events, if any */ |
|
|
663 | EV_API_DECL void ev_invoke_pending (EV_P); /* invoke all pending watchers */ |
|
|
664 | |
|
|
665 | /* |
|
|
666 | * stop/start the timer handling. |
|
|
667 | */ |
|
|
668 | EV_API_DECL void ev_suspend (EV_P); |
|
|
669 | EV_API_DECL void ev_resume (EV_P); |
|
|
670 | #endif |
|
|
671 | |
506 | #endif |
672 | #endif |
507 | |
673 | |
508 | /* 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 */ |
509 | /* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */ |
675 | /* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */ |
510 | #define ev_init(ev,cb_) do { \ |
676 | #define ev_init(ev,cb_) do { \ |
511 | ((ev_watcher *)(void *)(ev))->active = \ |
677 | ((ev_watcher *)(void *)(ev))->active = \ |
512 | ((ev_watcher *)(void *)(ev))->pending = \ |
678 | ((ev_watcher *)(void *)(ev))->pending = 0; \ |
513 | ((ev_watcher *)(void *)(ev))->priority = 0; \ |
679 | ev_set_priority ((ev), 0); \ |
514 | ev_set_cb ((ev), cb_); \ |
680 | ev_set_cb ((ev), cb_); \ |
515 | } while (0) |
681 | } while (0) |
516 | |
682 | |
517 | #define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_) | EV_IOFDSET; } while (0) |
683 | #define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_) | EV__IOFDSET; } while (0) |
518 | #define ev_timer_set(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); } while (0) |
684 | #define ev_timer_set(ev,after_,repeat_) do { ((ev_watcher_time *)(ev))->at = (after_); (ev)->repeat = (repeat_); } while (0) |
519 | #define ev_periodic_set(ev,ofs_,ival_,res_) do { (ev)->offset = (ofs_); (ev)->interval = (ival_); (ev)->reschedule_cb= (res_); } while (0) |
685 | #define ev_periodic_set(ev,ofs_,ival_,rcb_) do { (ev)->offset = (ofs_); (ev)->interval = (ival_); (ev)->reschedule_cb = (rcb_); } while (0) |
520 | #define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0) |
686 | #define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0) |
521 | #define ev_child_set(ev,pid_,trace_) do { (ev)->pid = (pid_); (ev)->flags = !!(trace_); } while (0) |
687 | #define ev_child_set(ev,pid_,trace_) do { (ev)->pid = (pid_); (ev)->flags = !!(trace_); } while (0) |
522 | #define ev_stat_set(ev,path_,interval_) do { (ev)->path = (path_); (ev)->interval = (interval_); (ev)->wd = -2; } while (0) |
688 | #define ev_stat_set(ev,path_,interval_) do { (ev)->path = (path_); (ev)->interval = (interval_); (ev)->wd = -2; } while (0) |
523 | #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 */ |
524 | #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 */ |
525 | #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 */ |
526 | #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) |
527 | #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 */ |
528 | #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 */ |
529 | |
696 | |
530 | #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) |
531 | #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) |
532 | #define ev_periodic_init(ev,cb,at,ival,res) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(at),(ival),(res)); } 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) |
533 | #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) |
534 | #define ev_child_init(ev,cb,pid,trace) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid),(trace)); } while (0) |
701 | #define ev_child_init(ev,cb,pid,trace) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid),(trace)); } while (0) |
535 | #define ev_stat_init(ev,cb,path,interval) do { ev_init ((ev), (cb)); ev_stat_set ((ev),(path),(interval)); } while (0) |
702 | #define ev_stat_init(ev,cb,path,interval) do { ev_init ((ev), (cb)); ev_stat_set ((ev),(path),(interval)); } while (0) |
536 | #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) |
537 | #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) |
538 | #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) |
539 | #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) |
540 | #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) |
541 | #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) |
542 | |
710 | |
543 | #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 */ |
544 | #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 */ |
545 | |
713 | |
546 | #define ev_priority(ev) ((((ev_watcher *)(void *)(ev))->priority) + 0) |
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547 | #define ev_cb(ev) (ev)->cb /* rw */ |
714 | #define ev_cb(ev) (ev)->cb /* rw */ |
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715 | |
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716 | #if EV_MINPRI == EV_MAXPRI |
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717 | # define ev_priority(ev) ((ev), EV_MINPRI) |
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718 | # define ev_set_priority(ev,pri) ((ev), (pri)) |
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719 | #else |
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720 | # define ev_priority(ev) (+(((ev_watcher *)(void *)(ev))->priority)) |
548 | #define ev_set_priority(ev,pri) ((ev_watcher *)(void *)(ev))->priority = (pri) |
721 | # define ev_set_priority(ev,pri) ( (ev_watcher *)(void *)(ev))->priority = (pri) |
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722 | #endif |
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723 | |
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724 | #define ev_periodic_at(ev) (+((ev_watcher_time *)(ev))->at) |
549 | |
725 | |
550 | #ifndef ev_set_cb |
726 | #ifndef ev_set_cb |
551 | # define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_) |
727 | # define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_) |
552 | #endif |
728 | #endif |
553 | |
729 | |
554 | /* 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 */ |
555 | /* stopping (disabling, deleting) a watcher does nothing unless its already running */ |
731 | /* stopping (disabling, deleting) a watcher does nothing unless its already running */ |
556 | #if EV_PROTOTYPES |
732 | #if EV_PROTOTYPES |
557 | |
733 | |
558 | /* 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 */ |
559 | /* accepts any ev_watcher type */ |
735 | /* accepts any ev_watcher type */ |
560 | void ev_feed_event (EV_P_ void *w, int revents); |
736 | EV_API_DECL void ev_feed_event (EV_P_ void *w, int revents); |
561 | 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); |
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738 | #if EV_SIGNAL_ENABLE |
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739 | EV_API_DECL void ev_feed_signal (int signum); |
562 | void ev_feed_signal_event (EV_P_ int signum); |
740 | EV_API_DECL void ev_feed_signal_event (EV_P_ int signum); |
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741 | #endif |
563 | void ev_invoke (EV_P_ void *w, int revents); |
742 | EV_API_DECL void ev_invoke (EV_P_ void *w, int revents); |
564 | int ev_clear_pending (EV_P_ void *w); |
743 | EV_API_DECL int ev_clear_pending (EV_P_ void *w); |
565 | |
744 | |
566 | void ev_io_start (EV_P_ ev_io *w); |
745 | EV_API_DECL void ev_io_start (EV_P_ ev_io *w); |
567 | void ev_io_stop (EV_P_ ev_io *w); |
746 | EV_API_DECL void ev_io_stop (EV_P_ ev_io *w); |
568 | |
747 | |
569 | void ev_timer_start (EV_P_ ev_timer *w); |
748 | EV_API_DECL void ev_timer_start (EV_P_ ev_timer *w); |
570 | void ev_timer_stop (EV_P_ ev_timer *w); |
749 | EV_API_DECL void ev_timer_stop (EV_P_ ev_timer *w); |
571 | /* 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 */ |
572 | void ev_timer_again (EV_P_ ev_timer *w); |
751 | EV_API_DECL void ev_timer_again (EV_P_ ev_timer *w); |
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752 | /* return remaining time */ |
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753 | EV_API_DECL ev_tstamp ev_timer_remaining (EV_P_ ev_timer *w); |
573 | |
754 | |
574 | #if EV_PERIODIC_ENABLE |
755 | #if EV_PERIODIC_ENABLE |
575 | void ev_periodic_start (EV_P_ ev_periodic *w); |
756 | EV_API_DECL void ev_periodic_start (EV_P_ ev_periodic *w); |
576 | void ev_periodic_stop (EV_P_ ev_periodic *w); |
757 | EV_API_DECL void ev_periodic_stop (EV_P_ ev_periodic *w); |
577 | void ev_periodic_again (EV_P_ ev_periodic *w); |
758 | EV_API_DECL void ev_periodic_again (EV_P_ ev_periodic *w); |
578 | #endif |
759 | #endif |
579 | |
760 | |
580 | /* only supported in the default loop */ |
761 | /* only supported in the default loop */ |
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762 | #if EV_SIGNAL_ENABLE |
581 | void ev_signal_start (EV_P_ ev_signal *w); |
763 | EV_API_DECL void ev_signal_start (EV_P_ ev_signal *w); |
582 | void ev_signal_stop (EV_P_ ev_signal *w); |
764 | EV_API_DECL void ev_signal_stop (EV_P_ ev_signal *w); |
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765 | #endif |
583 | |
766 | |
584 | /* only supported in the default loop */ |
767 | /* only supported in the default loop */ |
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768 | # if EV_CHILD_ENABLE |
585 | void ev_child_start (EV_P_ ev_child *w); |
769 | EV_API_DECL void ev_child_start (EV_P_ ev_child *w); |
586 | void ev_child_stop (EV_P_ ev_child *w); |
770 | EV_API_DECL void ev_child_stop (EV_P_ ev_child *w); |
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771 | # endif |
587 | |
772 | |
588 | # if EV_STAT_ENABLE |
773 | # if EV_STAT_ENABLE |
589 | void ev_stat_start (EV_P_ ev_stat *w); |
774 | EV_API_DECL void ev_stat_start (EV_P_ ev_stat *w); |
590 | void ev_stat_stop (EV_P_ ev_stat *w); |
775 | EV_API_DECL void ev_stat_stop (EV_P_ ev_stat *w); |
591 | void ev_stat_stat (EV_P_ ev_stat *w); |
776 | EV_API_DECL void ev_stat_stat (EV_P_ ev_stat *w); |
592 | # endif |
777 | # endif |
593 | |
778 | |
594 | # if EV_IDLE_ENABLE |
779 | # if EV_IDLE_ENABLE |
595 | void ev_idle_start (EV_P_ ev_idle *w); |
780 | EV_API_DECL void ev_idle_start (EV_P_ ev_idle *w); |
596 | void ev_idle_stop (EV_P_ ev_idle *w); |
781 | EV_API_DECL void ev_idle_stop (EV_P_ ev_idle *w); |
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782 | # endif |
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783 | |
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784 | #if EV_PREPARE_ENABLE |
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785 | EV_API_DECL void ev_prepare_start (EV_P_ ev_prepare *w); |
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786 | EV_API_DECL void ev_prepare_stop (EV_P_ ev_prepare *w); |
597 | # endif |
787 | #endif |
598 | |
788 | |
599 | void ev_prepare_start (EV_P_ ev_prepare *w); |
789 | #if EV_CHECK_ENABLE |
600 | void ev_prepare_stop (EV_P_ ev_prepare *w); |
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601 | |
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602 | void ev_check_start (EV_P_ ev_check *w); |
790 | EV_API_DECL void ev_check_start (EV_P_ ev_check *w); |
603 | void ev_check_stop (EV_P_ ev_check *w); |
791 | EV_API_DECL void ev_check_stop (EV_P_ ev_check *w); |
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792 | #endif |
604 | |
793 | |
605 | # if EV_FORK_ENABLE |
794 | # if EV_FORK_ENABLE |
606 | void ev_fork_start (EV_P_ ev_fork *w); |
795 | EV_API_DECL void ev_fork_start (EV_P_ ev_fork *w); |
607 | void ev_fork_stop (EV_P_ ev_fork *w); |
796 | EV_API_DECL void ev_fork_stop (EV_P_ ev_fork *w); |
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797 | # endif |
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798 | |
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799 | # if EV_CLEANUP_ENABLE |
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800 | EV_API_DECL void ev_cleanup_start (EV_P_ ev_cleanup *w); |
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801 | EV_API_DECL void ev_cleanup_stop (EV_P_ ev_cleanup *w); |
608 | # endif |
802 | # endif |
609 | |
803 | |
610 | # if EV_EMBED_ENABLE |
804 | # if EV_EMBED_ENABLE |
611 | /* only supported when loop to be embedded is in fact embeddable */ |
805 | /* only supported when loop to be embedded is in fact embeddable */ |
612 | void ev_embed_start (EV_P_ ev_embed *w); |
806 | EV_API_DECL void ev_embed_start (EV_P_ ev_embed *w); |
613 | void ev_embed_stop (EV_P_ ev_embed *w); |
807 | EV_API_DECL void ev_embed_stop (EV_P_ ev_embed *w); |
614 | void ev_embed_sweep (EV_P_ ev_embed *w); |
808 | EV_API_DECL void ev_embed_sweep (EV_P_ ev_embed *w); |
615 | # endif |
809 | # endif |
616 | |
810 | |
617 | # if EV_ASYNC_ENABLE |
811 | # if EV_ASYNC_ENABLE |
618 | void ev_async_start (EV_P_ ev_async *w); |
812 | EV_API_DECL void ev_async_start (EV_P_ ev_async *w); |
619 | void ev_async_stop (EV_P_ ev_async *w); |
813 | EV_API_DECL void ev_async_stop (EV_P_ ev_async *w); |
620 | void ev_async_send (EV_P_ ev_async *w); |
814 | EV_API_DECL void ev_async_send (EV_P_ ev_async *w); |
621 | # endif |
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622 | |
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623 | #endif |
815 | # endif |
624 | |
816 | |
625 | #ifdef __cplusplus |
817 | #if EV_COMPAT3 |
626 | } |
818 | #define EVLOOP_NONBLOCK EVRUN_NOWAIT |
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819 | #define EVLOOP_ONESHOT EVRUN_ONCE |
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820 | #define EVUNLOOP_CANCEL EVBREAK_CANCEL |
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821 | #define EVUNLOOP_ONE EVBREAK_ONE |
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822 | #define EVUNLOOP_ALL EVBREAK_ALL |
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823 | #if EV_PROTOTYPES |
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824 | EV_INLINE void ev_loop (EV_P_ int flags) { ev_run (EV_A_ flags); } |
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825 | EV_INLINE void ev_unloop (EV_P_ int how ) { ev_break (EV_A_ how ); } |
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826 | EV_INLINE void ev_default_destroy (void) { ev_loop_destroy (EV_DEFAULT); } |
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827 | EV_INLINE void ev_default_fork (void) { ev_loop_fork (EV_DEFAULT); } |
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828 | #if EV_FEATURE_API |
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829 | EV_INLINE unsigned int ev_loop_count (EV_P) { return ev_iteration (EV_A); } |
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830 | EV_INLINE unsigned int ev_loop_depth (EV_P) { return ev_depth (EV_A); } |
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831 | EV_INLINE void ev_loop_verify (EV_P) { ev_verify (EV_A); } |
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832 | #endif |
627 | #endif |
833 | #endif |
628 | |
834 | #else |
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835 | typedef struct ev_loop ev_loop; |
629 | #endif |
836 | #endif |
630 | |
837 | |
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838 | #endif |
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839 | |
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840 | EV_CPP(}) |
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841 | |
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842 | #endif |
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843 | |