1 | /* |
1 | /* |
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2 | * libev native API header |
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3 | * |
2 | * Copyright (c) 2007 Marc Alexander Lehmann <libev@schmorp.de> |
4 | * Copyright (c) 2007-2019 Marc Alexander Lehmann <libev@schmorp.de> |
3 | * All rights reserved. |
5 | * All rights reserved. |
4 | * |
6 | * |
5 | * Redistribution and use in source and binary forms, with or without |
7 | * Redistribution and use in source and binary forms, with or without modifica- |
6 | * modification, are permitted provided that the following conditions are |
8 | * tion, are permitted provided that the following conditions are met: |
7 | * met: |
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8 | * |
9 | * |
9 | * * Redistributions of source code must retain the above copyright |
10 | * 1. Redistributions of source code must retain the above copyright notice, |
10 | * notice, this list of conditions and the following disclaimer. |
11 | * this list of conditions and the following disclaimer. |
11 | * |
12 | * |
12 | * * Redistributions in binary form must reproduce the above |
13 | * 2. Redistributions in binary form must reproduce the above copyright |
13 | * copyright notice, this list of conditions and the following |
14 | * notice, this list of conditions and the following disclaimer in the |
14 | * disclaimer in the documentation and/or other materials provided |
15 | * documentation and/or other materials provided with the distribution. |
15 | * with the distribution. |
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16 | * |
16 | * |
17 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED |
18 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
18 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER- |
19 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
19 | * CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO |
20 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
20 | * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE- |
21 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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22 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
21 | * CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
23 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
22 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
24 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
23 | * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
25 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
24 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH- |
26 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
25 | * ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
27 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
26 | * OF THE POSSIBILITY OF SUCH DAMAGE. |
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27 | * |
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28 | * Alternatively, the contents of this file may be used under the terms of |
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29 | * the GNU General Public License ("GPL") version 2 or any later version, |
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30 | * in which case the provisions of the GPL are applicable instead of |
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31 | * the above. If you wish to allow the use of your version of this file |
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32 | * only under the terms of the GPL and not to allow others to use your |
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33 | * version of this file under the BSD license, indicate your decision |
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34 | * by deleting the provisions above and replace them with the notice |
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35 | * and other provisions required by the GPL. If you do not delete the |
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36 | * provisions above, a recipient may use your version of this file under |
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37 | * either the BSD or the GPL. |
28 | */ |
38 | */ |
29 | |
39 | |
30 | #ifndef EV_H__ |
40 | #ifndef EV_H_ |
31 | #define EV_H__ |
41 | #define EV_H_ |
32 | |
42 | |
33 | #ifdef __cplusplus |
43 | #ifdef __cplusplus |
34 | extern "C" { |
44 | # define EV_CPP(x) x |
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45 | # if __cplusplus >= 201103L |
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46 | # define EV_NOEXCEPT noexcept |
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47 | # else |
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48 | # define EV_NOEXCEPT |
35 | #endif |
49 | # endif |
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50 | #else |
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51 | # define EV_CPP(x) |
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52 | # define EV_NOEXCEPT |
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53 | #endif |
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54 | #define EV_THROW EV_NOEXCEPT /* pre-4.25, do not use in new code */ |
36 | |
55 | |
37 | typedef double ev_tstamp; |
56 | EV_CPP(extern "C" {) |
38 | |
57 | |
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58 | /*****************************************************************************/ |
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59 | |
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60 | /* pre-4.0 compatibility */ |
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61 | #ifndef EV_COMPAT3 |
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62 | # define EV_COMPAT3 1 |
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63 | #endif |
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64 | |
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65 | #ifndef EV_FEATURES |
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66 | # if defined __OPTIMIZE_SIZE__ |
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67 | # define EV_FEATURES 0x7c |
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68 | # else |
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69 | # define EV_FEATURES 0x7f |
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70 | # endif |
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71 | #endif |
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72 | |
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73 | #define EV_FEATURE_CODE ((EV_FEATURES) & 1) |
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74 | #define EV_FEATURE_DATA ((EV_FEATURES) & 2) |
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75 | #define EV_FEATURE_CONFIG ((EV_FEATURES) & 4) |
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76 | #define EV_FEATURE_API ((EV_FEATURES) & 8) |
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77 | #define EV_FEATURE_WATCHERS ((EV_FEATURES) & 16) |
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78 | #define EV_FEATURE_BACKENDS ((EV_FEATURES) & 32) |
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79 | #define EV_FEATURE_OS ((EV_FEATURES) & 64) |
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80 | |
39 | /* these priorities are inclusive, higher priorities will be called earlier */ |
81 | /* these priorities are inclusive, higher priorities will be invoked earlier */ |
40 | #ifndef EV_MINPRI |
82 | #ifndef EV_MINPRI |
41 | # define EV_MINPRI -2 |
83 | # define EV_MINPRI (EV_FEATURE_CONFIG ? -2 : 0) |
42 | #endif |
84 | #endif |
43 | #ifndef EV_MAXPRI |
85 | #ifndef EV_MAXPRI |
44 | # define EV_MAXPRI +2 |
86 | # define EV_MAXPRI (EV_FEATURE_CONFIG ? +2 : 0) |
45 | #endif |
87 | #endif |
46 | |
88 | |
47 | #ifndef EV_MULTIPLICITY |
89 | #ifndef EV_MULTIPLICITY |
48 | # define EV_MULTIPLICITY 1 |
90 | # define EV_MULTIPLICITY EV_FEATURE_CONFIG |
49 | #endif |
91 | #endif |
50 | |
92 | |
51 | #ifndef EV_PERIODIC_ENABLE |
93 | #ifndef EV_PERIODIC_ENABLE |
52 | # define EV_PERIODIC_ENABLE 1 |
94 | # define EV_PERIODIC_ENABLE EV_FEATURE_WATCHERS |
53 | #endif |
95 | #endif |
54 | |
96 | |
55 | #ifndef EV_STAT_ENABLE |
97 | #ifndef EV_STAT_ENABLE |
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98 | # define EV_STAT_ENABLE EV_FEATURE_WATCHERS |
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99 | #endif |
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100 | |
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101 | #ifndef EV_PREPARE_ENABLE |
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102 | # define EV_PREPARE_ENABLE EV_FEATURE_WATCHERS |
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103 | #endif |
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104 | |
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105 | #ifndef EV_CHECK_ENABLE |
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106 | # define EV_CHECK_ENABLE EV_FEATURE_WATCHERS |
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107 | #endif |
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108 | |
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109 | #ifndef EV_IDLE_ENABLE |
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110 | # define EV_IDLE_ENABLE EV_FEATURE_WATCHERS |
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111 | #endif |
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112 | |
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113 | #ifndef EV_FORK_ENABLE |
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114 | # define EV_FORK_ENABLE EV_FEATURE_WATCHERS |
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115 | #endif |
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116 | |
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117 | #ifndef EV_CLEANUP_ENABLE |
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118 | # define EV_CLEANUP_ENABLE EV_FEATURE_WATCHERS |
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119 | #endif |
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120 | |
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121 | #ifndef EV_SIGNAL_ENABLE |
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122 | # define EV_SIGNAL_ENABLE EV_FEATURE_WATCHERS |
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123 | #endif |
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124 | |
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125 | #ifndef EV_CHILD_ENABLE |
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126 | # ifdef _WIN32 |
56 | # define EV_STAT_ENABLE 1 |
127 | # define EV_CHILD_ENABLE 0 |
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128 | # else |
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129 | # define EV_CHILD_ENABLE EV_FEATURE_WATCHERS |
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130 | #endif |
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131 | #endif |
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132 | |
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133 | #ifndef EV_ASYNC_ENABLE |
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134 | # define EV_ASYNC_ENABLE EV_FEATURE_WATCHERS |
57 | #endif |
135 | #endif |
58 | |
136 | |
59 | #ifndef EV_EMBED_ENABLE |
137 | #ifndef EV_EMBED_ENABLE |
60 | # define EV_EMBED_ENABLE 1 |
138 | # define EV_EMBED_ENABLE EV_FEATURE_WATCHERS |
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139 | #endif |
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140 | |
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141 | #ifndef EV_WALK_ENABLE |
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142 | # define EV_WALK_ENABLE 0 /* not yet */ |
61 | #endif |
143 | #endif |
62 | |
144 | |
63 | /*****************************************************************************/ |
145 | /*****************************************************************************/ |
64 | |
146 | |
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147 | #if EV_CHILD_ENABLE && !EV_SIGNAL_ENABLE |
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148 | # undef EV_SIGNAL_ENABLE |
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149 | # define EV_SIGNAL_ENABLE 1 |
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150 | #endif |
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151 | |
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152 | /*****************************************************************************/ |
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153 | |
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154 | #ifndef EV_TSTAMP_T |
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155 | # define EV_TSTAMP_T double |
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156 | #endif |
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157 | typedef EV_TSTAMP_T ev_tstamp; |
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158 | |
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159 | #include <string.h> /* for memmove */ |
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160 | |
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161 | #ifndef EV_ATOMIC_T |
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162 | # include <signal.h> |
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163 | # define EV_ATOMIC_T sig_atomic_t volatile |
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164 | #endif |
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165 | |
65 | #if EV_STAT_ENABLE |
166 | #if EV_STAT_ENABLE |
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167 | # ifdef _WIN32 |
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168 | # include <time.h> |
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169 | # include <sys/types.h> |
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170 | # endif |
66 | # include <sys/stat.h> |
171 | # include <sys/stat.h> |
67 | #endif |
172 | #endif |
68 | |
173 | |
69 | /* support multiple event loops? */ |
174 | /* support multiple event loops? */ |
70 | #if EV_MULTIPLICITY |
175 | #if EV_MULTIPLICITY |
71 | struct ev_loop; |
176 | struct ev_loop; |
72 | # define EV_P struct ev_loop *loop |
177 | # define EV_P struct ev_loop *loop /* a loop as sole parameter in a declaration */ |
73 | # define EV_P_ EV_P, |
178 | # define EV_P_ EV_P, /* a loop as first of multiple parameters */ |
74 | # define EV_A loop |
179 | # define EV_A loop /* a loop as sole argument to a function call */ |
75 | # define EV_A_ EV_A, |
180 | # define EV_A_ EV_A, /* a loop as first of multiple arguments */ |
76 | # define EV_DEFAULT_A ev_default_loop (0) |
181 | # define EV_DEFAULT_UC ev_default_loop_uc_ () /* the default loop, if initialised, as sole arg */ |
77 | # define EV_DEFAULT_A_ EV_DEFAULT_A, |
182 | # define EV_DEFAULT_UC_ EV_DEFAULT_UC, /* the default loop as first of multiple arguments */ |
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183 | # define EV_DEFAULT ev_default_loop (0) /* the default loop as sole arg */ |
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184 | # define EV_DEFAULT_ EV_DEFAULT, /* the default loop as first of multiple arguments */ |
78 | #else |
185 | #else |
79 | # define EV_P void |
186 | # define EV_P void |
80 | # define EV_P_ |
187 | # define EV_P_ |
81 | # define EV_A |
188 | # define EV_A |
82 | # define EV_A_ |
189 | # define EV_A_ |
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190 | # define EV_DEFAULT |
83 | # define EV_DEFAULT_A |
191 | # define EV_DEFAULT_ |
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192 | # define EV_DEFAULT_UC |
84 | # define EV_DEFAULT_A_ |
193 | # define EV_DEFAULT_UC_ |
85 | |
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86 | # undef EV_EMBED_ENABLE |
194 | # undef EV_EMBED_ENABLE |
87 | #endif |
195 | #endif |
88 | |
196 | |
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197 | /* EV_INLINE is used for functions in header files */ |
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198 | #if __STDC_VERSION__ >= 199901L || __GNUC__ >= 3 |
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199 | # define EV_INLINE static inline |
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200 | #else |
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201 | # define EV_INLINE static |
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202 | #endif |
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203 | |
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204 | #ifdef EV_API_STATIC |
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205 | # define EV_API_DECL static |
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206 | #else |
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207 | # define EV_API_DECL extern |
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208 | #endif |
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209 | |
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210 | /* EV_PROTOTYPES can be used to switch of prototype declarations */ |
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211 | #ifndef EV_PROTOTYPES |
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212 | # define EV_PROTOTYPES 1 |
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213 | #endif |
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214 | |
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215 | /*****************************************************************************/ |
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216 | |
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217 | #define EV_VERSION_MAJOR 4 |
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218 | #define EV_VERSION_MINOR 27 |
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219 | |
89 | /* eventmask, revents, events... */ |
220 | /* eventmask, revents, events... */ |
90 | #define EV_UNDEF -1L /* guaranteed to be invalid */ |
221 | enum { |
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222 | EV_UNDEF = (int)0xFFFFFFFF, /* guaranteed to be invalid */ |
91 | #define EV_NONE 0x00L /* no events */ |
223 | EV_NONE = 0x00, /* no events */ |
92 | #define EV_READ 0x01L /* ev_io detected read will not block */ |
224 | EV_READ = 0x01, /* ev_io detected read will not block */ |
93 | #define EV_WRITE 0x02L /* ev_io detected write will not block */ |
225 | EV_WRITE = 0x02, /* ev_io detected write will not block */ |
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226 | EV__IOFDSET = 0x80, /* internal use only */ |
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227 | EV_IO = EV_READ, /* alias for type-detection */ |
94 | #define EV_TIMEOUT 0x00000100L /* timer timed out */ |
228 | EV_TIMER = 0x00000100, /* timer timed out */ |
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229 | #if EV_COMPAT3 |
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230 | EV_TIMEOUT = EV_TIMER, /* pre 4.0 API compatibility */ |
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231 | #endif |
95 | #define EV_PERIODIC 0x00000200L /* periodic timer timed out */ |
232 | EV_PERIODIC = 0x00000200, /* periodic timer timed out */ |
96 | #define EV_SIGNAL 0x00000400L /* signal was received */ |
233 | EV_SIGNAL = 0x00000400, /* signal was received */ |
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234 | EV_CHILD = 0x00000800, /* child/pid had status change */ |
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235 | EV_STAT = 0x00001000, /* stat data changed */ |
97 | #define EV_IDLE 0x00000800L /* event loop is idling */ |
236 | EV_IDLE = 0x00002000, /* event loop is idling */ |
98 | #define EV_PREPARE 0x00001000L /* event loop about to poll */ |
237 | EV_PREPARE = 0x00004000, /* event loop about to poll */ |
99 | #define EV_CHECK 0x00002000L /* event loop finished poll */ |
238 | EV_CHECK = 0x00008000, /* event loop finished poll */ |
100 | #define EV_CHILD 0x00004000L /* child/pid had status change */ |
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101 | #define EV_EMBED 0x00008000L /* embedded event loop needs sweep */ |
239 | EV_EMBED = 0x00010000, /* embedded event loop needs sweep */ |
102 | #define EV_STAT 0x00010000L /* stat data changed */ |
240 | EV_FORK = 0x00020000, /* event loop resumed in child */ |
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241 | EV_CLEANUP = 0x00040000, /* event loop resumed in child */ |
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242 | EV_ASYNC = 0x00080000, /* async intra-loop signal */ |
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243 | EV_CUSTOM = 0x01000000, /* for use by user code */ |
103 | #define EV_ERROR 0x80000000L /* sent when an error occurs */ |
244 | EV_ERROR = (int)0x80000000 /* sent when an error occurs */ |
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245 | }; |
104 | |
246 | |
105 | /* can be used to add custom fields to all watchers, while losing binary compatibility */ |
247 | /* can be used to add custom fields to all watchers, while losing binary compatibility */ |
106 | #ifndef EV_COMMON |
248 | #ifndef EV_COMMON |
107 | # define EV_COMMON void *data; |
249 | # define EV_COMMON void *data; |
108 | #endif |
250 | #endif |
109 | #ifndef EV_PROTOTYPES |
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110 | # define EV_PROTOTYPES 1 |
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111 | #endif |
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112 | |
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113 | #define EV_VERSION_MAJOR 1 |
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114 | #define EV_VERSION_MINOR 1 |
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115 | |
251 | |
116 | #ifndef EV_CB_DECLARE |
252 | #ifndef EV_CB_DECLARE |
117 | # define EV_CB_DECLARE(type) void (*cb)(EV_P_ struct type *w, int revents); |
253 | # define EV_CB_DECLARE(type) void (*cb)(EV_P_ struct type *w, int revents); |
118 | #endif |
254 | #endif |
119 | #ifndef EV_CB_INVOKE |
255 | #ifndef EV_CB_INVOKE |
120 | # define EV_CB_INVOKE(watcher,revents) (watcher)->cb (EV_A_ (watcher), (revents)) |
256 | # define EV_CB_INVOKE(watcher,revents) (watcher)->cb (EV_A_ (watcher), (revents)) |
121 | #endif |
257 | #endif |
122 | |
258 | |
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259 | /* not official, do not use */ |
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260 | #define EV_CB(type,name) void name (EV_P_ struct ev_ ## type *w, int revents) |
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261 | |
123 | /* |
262 | /* |
124 | * struct member types: |
263 | * struct member types: |
125 | * private: you can look at them, but not change them, and they might not mean anything to you. |
264 | * private: you may look at them, but not change them, |
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265 | * and they might not mean anything to you. |
126 | * ro: can be read anytime, but only changed when the watcher isn't active |
266 | * ro: can be read anytime, but only changed when the watcher isn't active. |
127 | * rw: can be read and modified anytime, even when the watcher is active |
267 | * rw: can be read and modified anytime, even when the watcher is active. |
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268 | * |
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269 | * some internal details that might be helpful for debugging: |
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270 | * |
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271 | * active is either 0, which means the watcher is not active, |
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272 | * or the array index of the watcher (periodics, timers) |
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273 | * or the array index + 1 (most other watchers) |
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274 | * or simply 1 for watchers that aren't in some array. |
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275 | * pending is either 0, in which case the watcher isn't, |
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276 | * or the array index + 1 in the pendings array. |
128 | */ |
277 | */ |
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278 | |
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279 | #if EV_MINPRI == EV_MAXPRI |
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280 | # define EV_DECL_PRIORITY |
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281 | #elif !defined (EV_DECL_PRIORITY) |
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282 | # define EV_DECL_PRIORITY int priority; |
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283 | #endif |
129 | |
284 | |
130 | /* shared by all watchers */ |
285 | /* shared by all watchers */ |
131 | #define EV_WATCHER(type) \ |
286 | #define EV_WATCHER(type) \ |
132 | int active; /* private */ \ |
287 | int active; /* private */ \ |
133 | int pending; /* private */ \ |
288 | int pending; /* private */ \ |
134 | int priority; /* private */ \ |
289 | EV_DECL_PRIORITY /* private */ \ |
135 | EV_COMMON /* rw */ \ |
290 | EV_COMMON /* rw */ \ |
136 | EV_CB_DECLARE (type) /* private */ |
291 | EV_CB_DECLARE (type) /* private */ |
137 | |
292 | |
138 | #define EV_WATCHER_LIST(type) \ |
293 | #define EV_WATCHER_LIST(type) \ |
139 | EV_WATCHER (type) \ |
294 | EV_WATCHER (type) \ |
… | |
… | |
184 | /* revent EV_PERIODIC */ |
339 | /* revent EV_PERIODIC */ |
185 | typedef struct ev_periodic |
340 | typedef struct ev_periodic |
186 | { |
341 | { |
187 | EV_WATCHER_TIME (ev_periodic) |
342 | EV_WATCHER_TIME (ev_periodic) |
188 | |
343 | |
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344 | ev_tstamp offset; /* rw */ |
189 | ev_tstamp interval; /* rw */ |
345 | ev_tstamp interval; /* rw */ |
190 | ev_tstamp (*reschedule_cb)(struct ev_periodic *w, ev_tstamp now); /* rw */ |
346 | ev_tstamp (*reschedule_cb)(struct ev_periodic *w, ev_tstamp now) EV_NOEXCEPT; /* rw */ |
191 | } ev_periodic; |
347 | } ev_periodic; |
192 | |
348 | |
193 | /* invoked when the given signal has been received */ |
349 | /* invoked when the given signal has been received */ |
194 | /* revent EV_SIGNAL */ |
350 | /* revent EV_SIGNAL */ |
195 | typedef struct ev_signal |
351 | typedef struct ev_signal |
… | |
… | |
204 | /* does not support priorities */ |
360 | /* does not support priorities */ |
205 | typedef struct ev_child |
361 | typedef struct ev_child |
206 | { |
362 | { |
207 | EV_WATCHER_LIST (ev_child) |
363 | EV_WATCHER_LIST (ev_child) |
208 | |
364 | |
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365 | int flags; /* private */ |
209 | int pid; /* ro */ |
366 | int pid; /* ro */ |
210 | int rpid; /* rw, holds the received pid */ |
367 | int rpid; /* rw, holds the received pid */ |
211 | int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */ |
368 | int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */ |
212 | } ev_child; |
369 | } ev_child; |
213 | |
370 | |
214 | #if EV_STAT_ENABLE |
371 | #if EV_STAT_ENABLE |
215 | /* st_nlink = 0 means missing file or other error */ |
372 | /* st_nlink = 0 means missing file or other error */ |
216 | #ifdef _WIN32 |
373 | # ifdef _WIN32 |
217 | typedef struct _stati64 ev_statdata; |
374 | typedef struct _stati64 ev_statdata; |
218 | #else |
375 | # else |
219 | typedef struct stat ev_statdata; |
376 | typedef struct stat ev_statdata; |
220 | #endif |
377 | # endif |
221 | |
378 | |
222 | /* invoked each time the stat data changes for a given path */ |
379 | /* invoked each time the stat data changes for a given path */ |
223 | /* revent EV_STAT */ |
380 | /* revent EV_STAT */ |
224 | typedef struct ev_stat |
381 | typedef struct ev_stat |
225 | { |
382 | { |
226 | EV_WATCHER (ev_stat) |
383 | EV_WATCHER_LIST (ev_stat) |
227 | |
384 | |
228 | ev_timer timer; /* private */ |
385 | ev_timer timer; /* private */ |
229 | ev_tstamp interval; /* ro */ |
386 | ev_tstamp interval; /* ro */ |
230 | const char *path; /* ro */ |
387 | const char *path; /* ro */ |
231 | ev_statdata prev; /* ro */ |
388 | ev_statdata prev; /* ro */ |
232 | ev_statdata attr; /* ro */ |
389 | ev_statdata attr; /* ro */ |
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390 | |
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391 | int wd; /* wd for inotify, fd for kqueue */ |
233 | } ev_stat; |
392 | } ev_stat; |
234 | #endif |
393 | #endif |
235 | |
394 | |
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395 | #if EV_IDLE_ENABLE |
236 | /* invoked when the nothing else needs to be done, keeps the process from blocking */ |
396 | /* invoked when the nothing else needs to be done, keeps the process from blocking */ |
237 | /* revent EV_IDLE */ |
397 | /* revent EV_IDLE */ |
238 | typedef struct ev_idle |
398 | typedef struct ev_idle |
239 | { |
399 | { |
240 | EV_WATCHER (ev_idle) |
400 | EV_WATCHER (ev_idle) |
241 | } ev_idle; |
401 | } ev_idle; |
|
|
402 | #endif |
242 | |
403 | |
243 | /* invoked for each run of the mainloop, just before the blocking call */ |
404 | /* invoked for each run of the mainloop, just before the blocking call */ |
244 | /* you can still change events in any way you like */ |
405 | /* you can still change events in any way you like */ |
245 | /* revent EV_PREPARE */ |
406 | /* revent EV_PREPARE */ |
246 | typedef struct ev_prepare |
407 | typedef struct ev_prepare |
… | |
… | |
253 | typedef struct ev_check |
414 | typedef struct ev_check |
254 | { |
415 | { |
255 | EV_WATCHER (ev_check) |
416 | EV_WATCHER (ev_check) |
256 | } ev_check; |
417 | } ev_check; |
257 | |
418 | |
|
|
419 | #if EV_FORK_ENABLE |
|
|
420 | /* the callback gets invoked before check in the child process when a fork was detected */ |
|
|
421 | /* revent EV_FORK */ |
|
|
422 | typedef struct ev_fork |
|
|
423 | { |
|
|
424 | EV_WATCHER (ev_fork) |
|
|
425 | } ev_fork; |
|
|
426 | #endif |
|
|
427 | |
|
|
428 | #if EV_CLEANUP_ENABLE |
|
|
429 | /* is invoked just before the loop gets destroyed */ |
|
|
430 | /* revent EV_CLEANUP */ |
|
|
431 | typedef struct ev_cleanup |
|
|
432 | { |
|
|
433 | EV_WATCHER (ev_cleanup) |
|
|
434 | } ev_cleanup; |
|
|
435 | #endif |
|
|
436 | |
258 | #if EV_EMBED_ENABLE |
437 | #if EV_EMBED_ENABLE |
259 | /* used to embed an event loop inside another */ |
438 | /* used to embed an event loop inside another */ |
260 | /* the callback gets invoked when the event loop has handled events, and can be 0 */ |
439 | /* the callback gets invoked when the event loop has handled events, and can be 0 */ |
261 | typedef struct ev_embed |
440 | typedef struct ev_embed |
262 | { |
441 | { |
263 | EV_WATCHER (ev_embed) |
442 | EV_WATCHER (ev_embed) |
264 | |
443 | |
265 | ev_io io; /* private */ |
|
|
266 | struct ev_loop *loop; /* ro */ |
444 | struct ev_loop *other; /* ro */ |
|
|
445 | ev_io io; /* private */ |
|
|
446 | ev_prepare prepare; /* private */ |
|
|
447 | ev_check check; /* unused */ |
|
|
448 | ev_timer timer; /* unused */ |
|
|
449 | ev_periodic periodic; /* unused */ |
|
|
450 | ev_idle idle; /* unused */ |
|
|
451 | ev_fork fork; /* private */ |
|
|
452 | #if EV_CLEANUP_ENABLE |
|
|
453 | ev_cleanup cleanup; /* unused */ |
|
|
454 | #endif |
267 | } ev_embed; |
455 | } ev_embed; |
|
|
456 | #endif |
|
|
457 | |
|
|
458 | #if EV_ASYNC_ENABLE |
|
|
459 | /* invoked when somebody calls ev_async_send on the watcher */ |
|
|
460 | /* revent EV_ASYNC */ |
|
|
461 | typedef struct ev_async |
|
|
462 | { |
|
|
463 | EV_WATCHER (ev_async) |
|
|
464 | |
|
|
465 | EV_ATOMIC_T sent; /* private */ |
|
|
466 | } ev_async; |
|
|
467 | |
|
|
468 | # define ev_async_pending(w) (+(w)->sent) |
268 | #endif |
469 | #endif |
269 | |
470 | |
270 | /* the presence of this union forces similar struct layout */ |
471 | /* the presence of this union forces similar struct layout */ |
271 | union ev_any_watcher |
472 | union ev_any_watcher |
272 | { |
473 | { |
… | |
… | |
274 | struct ev_watcher_list wl; |
475 | struct ev_watcher_list wl; |
275 | |
476 | |
276 | struct ev_io io; |
477 | struct ev_io io; |
277 | struct ev_timer timer; |
478 | struct ev_timer timer; |
278 | struct ev_periodic periodic; |
479 | struct ev_periodic periodic; |
|
|
480 | struct ev_signal signal; |
279 | struct ev_child child; |
481 | struct ev_child child; |
280 | #if EV_STAT_ENABLE |
482 | #if EV_STAT_ENABLE |
281 | struct ev_stat stat; |
483 | struct ev_stat stat; |
282 | #endif |
484 | #endif |
|
|
485 | #if EV_IDLE_ENABLE |
283 | struct ev_idle idle; |
486 | struct ev_idle idle; |
|
|
487 | #endif |
284 | struct ev_prepare prepare; |
488 | struct ev_prepare prepare; |
285 | struct ev_check check; |
489 | struct ev_check check; |
286 | struct ev_signal signal; |
490 | #if EV_FORK_ENABLE |
|
|
491 | struct ev_fork fork; |
|
|
492 | #endif |
|
|
493 | #if EV_CLEANUP_ENABLE |
|
|
494 | struct ev_cleanup cleanup; |
|
|
495 | #endif |
287 | #if EV_EMBED_ENABLE |
496 | #if EV_EMBED_ENABLE |
288 | struct ev_embed embed; |
497 | struct ev_embed embed; |
289 | #endif |
498 | #endif |
|
|
499 | #if EV_ASYNC_ENABLE |
|
|
500 | struct ev_async async; |
|
|
501 | #endif |
290 | }; |
502 | }; |
291 | |
503 | |
292 | /* bits for ev_default_loop and ev_loop_new */ |
504 | /* flag bits for ev_default_loop and ev_loop_new */ |
|
|
505 | enum { |
293 | /* the default */ |
506 | /* the default */ |
294 | #define EVFLAG_AUTO 0x00000000UL /* not quite a mask */ |
507 | EVFLAG_AUTO = 0x00000000U, /* not quite a mask */ |
295 | /* flag bits */ |
508 | /* flag bits */ |
296 | #define EVFLAG_NOENV 0x01000000UL /* do NOT consult environment */ |
509 | EVFLAG_NOENV = 0x01000000U, /* do NOT consult environment */ |
|
|
510 | EVFLAG_FORKCHECK = 0x02000000U, /* check for a fork in each iteration */ |
|
|
511 | /* debugging/feature disable */ |
|
|
512 | EVFLAG_NOINOTIFY = 0x00100000U, /* do not attempt to use inotify */ |
|
|
513 | #if EV_COMPAT3 |
|
|
514 | EVFLAG_NOSIGFD = 0, /* compatibility to pre-3.9 */ |
|
|
515 | #endif |
|
|
516 | EVFLAG_SIGNALFD = 0x00200000U, /* attempt to use signalfd */ |
|
|
517 | EVFLAG_NOSIGMASK = 0x00400000U /* avoid modifying the signal mask */ |
|
|
518 | }; |
|
|
519 | |
297 | /* method bits to be ored together */ |
520 | /* method bits to be ored together */ |
|
|
521 | enum { |
298 | #define EVBACKEND_SELECT 0x00000001UL /* about anywhere */ |
522 | EVBACKEND_SELECT = 0x00000001U, /* available just about anywhere */ |
299 | #define EVBACKEND_POLL 0x00000002UL /* !win */ |
523 | EVBACKEND_POLL = 0x00000002U, /* !win, !aix, broken on osx */ |
300 | #define EVBACKEND_EPOLL 0x00000004UL /* linux */ |
524 | EVBACKEND_EPOLL = 0x00000004U, /* linux */ |
301 | #define EVBACKEND_KQUEUE 0x00000008UL /* bsd */ |
525 | EVBACKEND_KQUEUE = 0x00000008U, /* bsd, broken on osx */ |
302 | #define EVBACKEND_DEVPOLL 0x00000010UL /* solaris 8 */ /* NYI */ |
526 | EVBACKEND_DEVPOLL = 0x00000010U, /* solaris 8 */ /* NYI */ |
303 | #define EVBACKEND_PORT 0x00000020UL /* solaris 10 */ |
527 | EVBACKEND_PORT = 0x00000020U, /* solaris 10 */ |
|
|
528 | EVBACKEND_LINUXAIO = 0x00000040U, /* linuix AIO, 4.19+ */ |
|
|
529 | EVBACKEND_IOURING = 0x00000080U, /* linux io_uring, 5.1+ */ |
|
|
530 | EVBACKEND_ALL = 0x000000FFU, /* all known backends */ |
|
|
531 | EVBACKEND_MASK = 0x0000FFFFU /* all future backends */ |
|
|
532 | }; |
304 | |
533 | |
305 | #if EV_PROTOTYPES |
534 | #if EV_PROTOTYPES |
306 | int ev_version_major (void); |
535 | EV_API_DECL int ev_version_major (void) EV_NOEXCEPT; |
307 | int ev_version_minor (void); |
536 | EV_API_DECL int ev_version_minor (void) EV_NOEXCEPT; |
308 | |
537 | |
309 | unsigned int ev_supported_backends (void); |
538 | EV_API_DECL unsigned int ev_supported_backends (void) EV_NOEXCEPT; |
310 | unsigned int ev_recommended_backends (void); |
539 | EV_API_DECL unsigned int ev_recommended_backends (void) EV_NOEXCEPT; |
311 | unsigned int ev_embeddable_backends (void); |
540 | EV_API_DECL unsigned int ev_embeddable_backends (void) EV_NOEXCEPT; |
312 | |
541 | |
313 | ev_tstamp ev_time (void); |
542 | EV_API_DECL ev_tstamp ev_time (void) EV_NOEXCEPT; |
|
|
543 | EV_API_DECL void ev_sleep (ev_tstamp delay) EV_NOEXCEPT; /* sleep for a while */ |
314 | |
544 | |
315 | /* Sets the allocation function to use, works like realloc. |
545 | /* Sets the allocation function to use, works like realloc. |
316 | * It is used to allocate and free memory. |
546 | * It is used to allocate and free memory. |
317 | * If it returns zero when memory needs to be allocated, the library might abort |
547 | * If it returns zero when memory needs to be allocated, the library might abort |
318 | * or take some potentially destructive action. |
548 | * or take some potentially destructive action. |
319 | * The default is your system realloc function. |
549 | * The default is your system realloc function. |
320 | */ |
550 | */ |
321 | void ev_set_allocator (void *(*cb)(void *ptr, long size)); |
551 | EV_API_DECL void ev_set_allocator (void *(*cb)(void *ptr, long size) EV_NOEXCEPT) EV_NOEXCEPT; |
322 | |
552 | |
323 | /* set the callback function to call on a |
553 | /* set the callback function to call on a |
324 | * retryable syscall error |
554 | * retryable syscall error |
325 | * (such as failed select, poll, epoll_wait) |
555 | * (such as failed select, poll, epoll_wait) |
326 | */ |
556 | */ |
327 | void ev_set_syserr_cb (void (*cb)(const char *msg)); |
557 | EV_API_DECL void ev_set_syserr_cb (void (*cb)(const char *msg) EV_NOEXCEPT) EV_NOEXCEPT; |
328 | |
558 | |
329 | # if EV_MULTIPLICITY |
559 | #if EV_MULTIPLICITY |
|
|
560 | |
330 | /* the default loop is the only one that handles signals and child watchers */ |
561 | /* the default loop is the only one that handles signals and child watchers */ |
331 | /* you can call this as often as you like */ |
562 | /* you can call this as often as you like */ |
332 | static struct ev_loop * |
563 | EV_API_DECL struct ev_loop *ev_default_loop (unsigned int flags EV_CPP (= 0)) EV_NOEXCEPT; |
333 | ev_default_loop (unsigned int flags) |
564 | |
|
|
565 | #ifdef EV_API_STATIC |
|
|
566 | EV_API_DECL struct ev_loop *ev_default_loop_ptr; |
|
|
567 | #endif |
|
|
568 | |
|
|
569 | EV_INLINE struct ev_loop * |
|
|
570 | ev_default_loop_uc_ (void) EV_NOEXCEPT |
334 | { |
571 | { |
335 | extern struct ev_loop *ev_default_loop_ptr; |
572 | extern struct ev_loop *ev_default_loop_ptr; |
336 | extern struct ev_loop *ev_default_loop_init (unsigned int flags); |
|
|
337 | |
|
|
338 | if (!ev_default_loop_ptr) |
|
|
339 | ev_default_loop_init (flags); |
|
|
340 | |
573 | |
341 | return ev_default_loop_ptr; |
574 | return ev_default_loop_ptr; |
342 | } |
575 | } |
343 | |
576 | |
|
|
577 | EV_INLINE int |
|
|
578 | ev_is_default_loop (EV_P) EV_NOEXCEPT |
|
|
579 | { |
|
|
580 | return EV_A == EV_DEFAULT_UC; |
|
|
581 | } |
|
|
582 | |
344 | /* create and destroy alternative loops that don't handle signals */ |
583 | /* create and destroy alternative loops that don't handle signals */ |
345 | struct ev_loop *ev_loop_new (unsigned int flags); |
584 | EV_API_DECL struct ev_loop *ev_loop_new (unsigned int flags EV_CPP (= 0)) EV_NOEXCEPT; |
346 | void ev_loop_destroy (EV_P); |
|
|
347 | void ev_loop_fork (EV_P); |
|
|
348 | |
585 | |
349 | ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */ |
586 | EV_API_DECL ev_tstamp ev_now (EV_P) EV_NOEXCEPT; /* time w.r.t. timers and the eventloop, updated after each poll */ |
350 | |
587 | |
351 | # else |
588 | #else |
352 | |
589 | |
353 | int ev_default_loop (unsigned int flags); /* returns true when successful */ |
590 | EV_API_DECL int ev_default_loop (unsigned int flags EV_CPP (= 0)) EV_NOEXCEPT; /* returns true when successful */ |
354 | |
591 | |
355 | static ev_tstamp |
592 | EV_API_DECL ev_tstamp ev_rt_now; |
356 | ev_now (void) |
|
|
357 | { |
|
|
358 | extern ev_tstamp ev_rt_now; |
|
|
359 | |
593 | |
|
|
594 | EV_INLINE ev_tstamp |
|
|
595 | ev_now (void) EV_NOEXCEPT |
|
|
596 | { |
360 | return ev_rt_now; |
597 | return ev_rt_now; |
361 | } |
598 | } |
362 | # endif |
|
|
363 | |
599 | |
364 | void ev_default_destroy (void); /* destroy the default loop */ |
600 | /* looks weird, but ev_is_default_loop (EV_A) still works if this exists */ |
|
|
601 | EV_INLINE int |
|
|
602 | ev_is_default_loop (void) EV_NOEXCEPT |
|
|
603 | { |
|
|
604 | return 1; |
|
|
605 | } |
|
|
606 | |
|
|
607 | #endif /* multiplicity */ |
|
|
608 | |
|
|
609 | /* destroy event loops, also works for the default loop */ |
|
|
610 | EV_API_DECL void ev_loop_destroy (EV_P); |
|
|
611 | |
365 | /* this needs to be called after fork, to duplicate the default loop */ |
612 | /* this needs to be called after fork, to duplicate the loop */ |
366 | /* if you create alternative loops you have to call ev_loop_fork on them */ |
613 | /* when you want to re-use it in the child */ |
367 | /* you can call it in either the parent or the child */ |
614 | /* you can call it in either the parent or the child */ |
368 | /* you can actually call it at any time, anywhere :) */ |
615 | /* you can actually call it at any time, anywhere :) */ |
369 | void ev_default_fork (void); |
616 | EV_API_DECL void ev_loop_fork (EV_P) EV_NOEXCEPT; |
370 | |
617 | |
371 | unsigned int ev_backend (EV_P); |
618 | EV_API_DECL unsigned int ev_backend (EV_P) EV_NOEXCEPT; /* backend in use by loop */ |
372 | #endif |
|
|
373 | |
619 | |
374 | #define EVLOOP_NONBLOCK 1 /* do not block/wait */ |
620 | EV_API_DECL void ev_now_update (EV_P) EV_NOEXCEPT; /* update event loop time */ |
375 | #define EVLOOP_ONESHOT 2 /* block *once* only */ |
621 | |
376 | #define EVUNLOOP_CANCEL 0 /* undo unloop */ |
622 | #if EV_WALK_ENABLE |
377 | #define EVUNLOOP_ONE 1 /* unloop once */ |
623 | /* walk (almost) all watchers in the loop of a given type, invoking the */ |
|
|
624 | /* callback on every such watcher. The callback might stop the watcher, */ |
|
|
625 | /* but do nothing else with the loop */ |
|
|
626 | EV_API_DECL void ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_NOEXCEPT; |
|
|
627 | #endif |
|
|
628 | |
|
|
629 | #endif /* prototypes */ |
|
|
630 | |
|
|
631 | /* ev_run flags values */ |
|
|
632 | enum { |
|
|
633 | EVRUN_NOWAIT = 1, /* do not block/wait */ |
|
|
634 | EVRUN_ONCE = 2 /* block *once* only */ |
|
|
635 | }; |
|
|
636 | |
|
|
637 | /* ev_break how values */ |
|
|
638 | enum { |
|
|
639 | EVBREAK_CANCEL = 0, /* undo unloop */ |
|
|
640 | EVBREAK_ONE = 1, /* unloop once */ |
378 | #define EVUNLOOP_ALL 2 /* unloop all loops */ |
641 | EVBREAK_ALL = 2 /* unloop all loops */ |
|
|
642 | }; |
379 | |
643 | |
380 | #if EV_PROTOTYPES |
644 | #if EV_PROTOTYPES |
381 | void ev_loop (EV_P_ int flags); |
645 | EV_API_DECL int ev_run (EV_P_ int flags EV_CPP (= 0)); |
382 | 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 */ |
646 | EV_API_DECL void ev_break (EV_P_ int how EV_CPP (= EVBREAK_ONE)) EV_NOEXCEPT; /* break out of the loop */ |
383 | |
647 | |
384 | /* |
648 | /* |
385 | * ref/unref can be used to add or remove a refcount on the mainloop. every watcher |
649 | * ref/unref can be used to add or remove a refcount on the mainloop. every watcher |
386 | * keeps one reference. if you have a long-runing watcher you never unregister that |
650 | * keeps one reference. if you have a long-running watcher you never unregister that |
387 | * should not keep ev_loop from running, unref() after starting, and ref() before stopping. |
651 | * should not keep ev_loop from running, unref() after starting, and ref() before stopping. |
388 | */ |
652 | */ |
389 | void ev_ref (EV_P); |
653 | EV_API_DECL void ev_ref (EV_P) EV_NOEXCEPT; |
390 | void ev_unref (EV_P); |
654 | EV_API_DECL void ev_unref (EV_P) EV_NOEXCEPT; |
391 | |
655 | |
|
|
656 | /* |
392 | /* convinience function, wait for a single event, without registering an event watcher */ |
657 | * convenience function, wait for a single event, without registering an event watcher |
393 | /* if timeout is < 0, do wait indefinitely */ |
658 | * if timeout is < 0, do wait indefinitely |
|
|
659 | */ |
394 | void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg); |
660 | EV_API_DECL void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_NOEXCEPT; |
|
|
661 | |
|
|
662 | # if EV_FEATURE_API |
|
|
663 | EV_API_DECL unsigned int ev_iteration (EV_P) EV_NOEXCEPT; /* number of loop iterations */ |
|
|
664 | EV_API_DECL unsigned int ev_depth (EV_P) EV_NOEXCEPT; /* #ev_loop enters - #ev_loop leaves */ |
|
|
665 | EV_API_DECL void ev_verify (EV_P) EV_NOEXCEPT; /* abort if loop data corrupted */ |
|
|
666 | |
|
|
667 | EV_API_DECL void ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT; /* sleep at least this time, default 0 */ |
|
|
668 | EV_API_DECL void ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT; /* sleep at least this time, default 0 */ |
|
|
669 | |
|
|
670 | /* advanced stuff for threading etc. support, see docs */ |
|
|
671 | EV_API_DECL void ev_set_userdata (EV_P_ void *data) EV_NOEXCEPT; |
|
|
672 | EV_API_DECL void *ev_userdata (EV_P) EV_NOEXCEPT; |
|
|
673 | typedef void (*ev_loop_callback)(EV_P); |
|
|
674 | EV_API_DECL void ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_NOEXCEPT; |
|
|
675 | /* C++ doesn't allow the use of the ev_loop_callback typedef here, so we need to spell it out */ |
|
|
676 | EV_API_DECL void ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_NOEXCEPT, void (*acquire)(EV_P) EV_NOEXCEPT) EV_NOEXCEPT; |
|
|
677 | |
|
|
678 | EV_API_DECL unsigned int ev_pending_count (EV_P) EV_NOEXCEPT; /* number of pending events, if any */ |
|
|
679 | EV_API_DECL void ev_invoke_pending (EV_P); /* invoke all pending watchers */ |
|
|
680 | |
|
|
681 | /* |
|
|
682 | * stop/start the timer handling. |
|
|
683 | */ |
|
|
684 | EV_API_DECL void ev_suspend (EV_P) EV_NOEXCEPT; |
|
|
685 | EV_API_DECL void ev_resume (EV_P) EV_NOEXCEPT; |
|
|
686 | #endif |
|
|
687 | |
395 | #endif |
688 | #endif |
396 | |
689 | |
397 | /* these may evaluate ev multiple times, and the other arguments at most once */ |
690 | /* these may evaluate ev multiple times, and the other arguments at most once */ |
398 | /* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */ |
691 | /* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */ |
399 | #define ev_init(ev,cb_) do { \ |
692 | #define ev_init(ev,cb_) do { \ |
400 | ((ev_watcher *)(void *)(ev))->active = \ |
693 | ((ev_watcher *)(void *)(ev))->active = \ |
401 | ((ev_watcher *)(void *)(ev))->pending = \ |
694 | ((ev_watcher *)(void *)(ev))->pending = 0; \ |
402 | ((ev_watcher *)(void *)(ev))->priority = 0; \ |
695 | ev_set_priority ((ev), 0); \ |
403 | ev_set_cb ((ev), cb_); \ |
696 | ev_set_cb ((ev), cb_); \ |
404 | } while (0) |
697 | } while (0) |
405 | |
698 | |
406 | #define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_); } while (0) |
699 | #define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_) | EV__IOFDSET; } while (0) |
407 | #define ev_timer_set(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); } while (0) |
700 | #define ev_timer_set(ev,after_,repeat_) do { ((ev_watcher_time *)(ev))->at = (after_); (ev)->repeat = (repeat_); } while (0) |
408 | #define ev_periodic_set(ev,at_,ival_,res_) do { (ev)->at = (at_); (ev)->interval = (ival_); (ev)->reschedule_cb= (res_); } while (0) |
701 | #define ev_periodic_set(ev,ofs_,ival_,rcb_) do { (ev)->offset = (ofs_); (ev)->interval = (ival_); (ev)->reschedule_cb = (rcb_); } while (0) |
409 | #define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0) |
702 | #define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0) |
410 | #define ev_child_set(ev,pid_) do { (ev)->pid = (pid_); } while (0) |
703 | #define ev_child_set(ev,pid_,trace_) do { (ev)->pid = (pid_); (ev)->flags = !!(trace_); } while (0) |
411 | #define ev_stat_set(ev,path_,interval_) do { (ev)->path = (path_); (ev)->interval = (interval_); } while (0) |
704 | #define ev_stat_set(ev,path_,interval_) do { (ev)->path = (path_); (ev)->interval = (interval_); (ev)->wd = -2; } while (0) |
412 | #define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */ |
705 | #define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */ |
413 | #define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */ |
706 | #define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */ |
414 | #define ev_check_set(ev) /* nop, yes, this is a serious in-joke */ |
707 | #define ev_check_set(ev) /* nop, yes, this is a serious in-joke */ |
415 | #define ev_embed_set(ev,loop_) do { (ev)->loop = (loop_); } while (0) |
708 | #define ev_embed_set(ev,other_) do { (ev)->other = (other_); } while (0) |
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709 | #define ev_fork_set(ev) /* nop, yes, this is a serious in-joke */ |
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710 | #define ev_cleanup_set(ev) /* nop, yes, this is a serious in-joke */ |
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711 | #define ev_async_set(ev) /* nop, yes, this is a serious in-joke */ |
416 | |
712 | |
417 | #define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0) |
713 | #define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0) |
418 | #define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0) |
714 | #define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0) |
419 | #define ev_periodic_init(ev,cb,at,ival,res) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(at),(ival),(res)); } while (0) |
715 | #define ev_periodic_init(ev,cb,ofs,ival,rcb) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(ofs),(ival),(rcb)); } while (0) |
420 | #define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0) |
716 | #define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0) |
421 | #define ev_child_init(ev,cb,pid) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid)); } while (0) |
717 | #define ev_child_init(ev,cb,pid,trace) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid),(trace)); } while (0) |
422 | #define ev_stat_init(ev,cb,path,interval) do { ev_init ((ev), (cb)); ev_path_set ((ev),(path),(interval)); } while (0) |
718 | #define ev_stat_init(ev,cb,path,interval) do { ev_init ((ev), (cb)); ev_stat_set ((ev),(path),(interval)); } while (0) |
423 | #define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0) |
719 | #define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0) |
424 | #define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0) |
720 | #define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0) |
425 | #define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0) |
721 | #define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0) |
426 | #define ev_embed_init(ev,cb,loop) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(loop)); } while (0) |
722 | #define ev_embed_init(ev,cb,other) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(other)); } while (0) |
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723 | #define ev_fork_init(ev,cb) do { ev_init ((ev), (cb)); ev_fork_set ((ev)); } while (0) |
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724 | #define ev_cleanup_init(ev,cb) do { ev_init ((ev), (cb)); ev_cleanup_set ((ev)); } while (0) |
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725 | #define ev_async_init(ev,cb) do { ev_init ((ev), (cb)); ev_async_set ((ev)); } while (0) |
427 | |
726 | |
428 | #define ev_is_pending(ev) (0 + ((ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */ |
727 | #define ev_is_pending(ev) (0 + ((ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */ |
429 | #define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */ |
728 | #define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */ |
430 | |
729 | |
431 | #define ev_priority(ev) ((ev_watcher *)(void *)(ev))->priority /* rw */ |
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432 | #define ev_cb(ev) (ev)->cb /* rw */ |
730 | #define ev_cb_(ev) (ev)->cb /* rw */ |
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731 | #define ev_cb(ev) (memmove (&ev_cb_ (ev), &((ev_watcher *)(ev))->cb, sizeof (ev_cb_ (ev))), (ev)->cb) |
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732 | |
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733 | #if EV_MINPRI == EV_MAXPRI |
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734 | # define ev_priority(ev) ((ev), EV_MINPRI) |
433 | #define ev_set_priority(ev,pri) ev_priority (ev) = (pri) |
735 | # define ev_set_priority(ev,pri) ((ev), (pri)) |
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736 | #else |
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737 | # define ev_priority(ev) (+(((ev_watcher *)(void *)(ev))->priority)) |
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738 | # define ev_set_priority(ev,pri) ( (ev_watcher *)(void *)(ev))->priority = (pri) |
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739 | #endif |
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740 | |
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741 | #define ev_periodic_at(ev) (+((ev_watcher_time *)(ev))->at) |
434 | |
742 | |
435 | #ifndef ev_set_cb |
743 | #ifndef ev_set_cb |
436 | # define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_) |
744 | # define ev_set_cb(ev,cb_) (ev_cb_ (ev) = (cb_), memmove (&((ev_watcher *)(ev))->cb, &ev_cb_ (ev), sizeof (ev_cb_ (ev)))) |
437 | #endif |
745 | #endif |
438 | |
746 | |
439 | /* stopping (enabling, adding) a watcher does nothing if it is already running */ |
747 | /* stopping (enabling, adding) a watcher does nothing if it is already running */ |
440 | /* stopping (disabling, deleting) a watcher does nothing unless its already running */ |
748 | /* stopping (disabling, deleting) a watcher does nothing unless it's already running */ |
441 | #if EV_PROTOTYPES |
749 | #if EV_PROTOTYPES |
442 | |
750 | |
443 | /* feeds an event into a watcher as if the event actually occured */ |
751 | /* feeds an event into a watcher as if the event actually occurred */ |
444 | /* accepts any ev_watcher type */ |
752 | /* accepts any ev_watcher type */ |
445 | void ev_feed_event (EV_P_ void *w, int revents); |
753 | EV_API_DECL void ev_feed_event (EV_P_ void *w, int revents) EV_NOEXCEPT; |
446 | void ev_feed_fd_event (EV_P_ int fd, int revents); |
754 | EV_API_DECL void ev_feed_fd_event (EV_P_ int fd, int revents) EV_NOEXCEPT; |
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755 | #if EV_SIGNAL_ENABLE |
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756 | EV_API_DECL void ev_feed_signal (int signum) EV_NOEXCEPT; |
447 | void ev_feed_signal_event (EV_P_ int signum); |
757 | EV_API_DECL void ev_feed_signal_event (EV_P_ int signum) EV_NOEXCEPT; |
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758 | #endif |
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759 | EV_API_DECL void ev_invoke (EV_P_ void *w, int revents); |
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760 | EV_API_DECL int ev_clear_pending (EV_P_ void *w) EV_NOEXCEPT; |
448 | |
761 | |
449 | void ev_io_start (EV_P_ ev_io *w); |
762 | EV_API_DECL void ev_io_start (EV_P_ ev_io *w) EV_NOEXCEPT; |
450 | void ev_io_stop (EV_P_ ev_io *w); |
763 | EV_API_DECL void ev_io_stop (EV_P_ ev_io *w) EV_NOEXCEPT; |
451 | |
764 | |
452 | void ev_timer_start (EV_P_ ev_timer *w); |
765 | EV_API_DECL void ev_timer_start (EV_P_ ev_timer *w) EV_NOEXCEPT; |
453 | void ev_timer_stop (EV_P_ ev_timer *w); |
766 | EV_API_DECL void ev_timer_stop (EV_P_ ev_timer *w) EV_NOEXCEPT; |
454 | /* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */ |
767 | /* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */ |
455 | void ev_timer_again (EV_P_ ev_timer *w); |
768 | EV_API_DECL void ev_timer_again (EV_P_ ev_timer *w) EV_NOEXCEPT; |
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769 | /* return remaining time */ |
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|
770 | EV_API_DECL ev_tstamp ev_timer_remaining (EV_P_ ev_timer *w) EV_NOEXCEPT; |
456 | |
771 | |
457 | #if EV_PERIODIC_ENABLE |
772 | #if EV_PERIODIC_ENABLE |
458 | void ev_periodic_start (EV_P_ ev_periodic *w); |
773 | EV_API_DECL void ev_periodic_start (EV_P_ ev_periodic *w) EV_NOEXCEPT; |
459 | void ev_periodic_stop (EV_P_ ev_periodic *w); |
774 | EV_API_DECL void ev_periodic_stop (EV_P_ ev_periodic *w) EV_NOEXCEPT; |
460 | void ev_periodic_again (EV_P_ ev_periodic *w); |
775 | EV_API_DECL void ev_periodic_again (EV_P_ ev_periodic *w) EV_NOEXCEPT; |
461 | #endif |
776 | #endif |
462 | |
777 | |
463 | /* only supported in the default loop */ |
778 | /* only supported in the default loop */ |
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779 | #if EV_SIGNAL_ENABLE |
464 | void ev_signal_start (EV_P_ ev_signal *w); |
780 | EV_API_DECL void ev_signal_start (EV_P_ ev_signal *w) EV_NOEXCEPT; |
465 | void ev_signal_stop (EV_P_ ev_signal *w); |
781 | EV_API_DECL void ev_signal_stop (EV_P_ ev_signal *w) EV_NOEXCEPT; |
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782 | #endif |
466 | |
783 | |
467 | /* only supported in the default loop */ |
784 | /* only supported in the default loop */ |
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785 | # if EV_CHILD_ENABLE |
468 | void ev_child_start (EV_P_ ev_child *w); |
786 | EV_API_DECL void ev_child_start (EV_P_ ev_child *w) EV_NOEXCEPT; |
469 | void ev_child_stop (EV_P_ ev_child *w); |
787 | EV_API_DECL void ev_child_stop (EV_P_ ev_child *w) EV_NOEXCEPT; |
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788 | # endif |
470 | |
789 | |
471 | # if EV_STAT_ENABLE |
790 | # if EV_STAT_ENABLE |
472 | void ev_stat_start (EV_P_ ev_stat *w); |
791 | EV_API_DECL void ev_stat_start (EV_P_ ev_stat *w) EV_NOEXCEPT; |
473 | void ev_stat_stop (EV_P_ ev_stat *w); |
792 | EV_API_DECL void ev_stat_stop (EV_P_ ev_stat *w) EV_NOEXCEPT; |
474 | void ev_stat_stat (EV_P_ ev_stat *w); |
793 | EV_API_DECL void ev_stat_stat (EV_P_ ev_stat *w) EV_NOEXCEPT; |
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794 | # endif |
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795 | |
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796 | # if EV_IDLE_ENABLE |
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797 | EV_API_DECL void ev_idle_start (EV_P_ ev_idle *w) EV_NOEXCEPT; |
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798 | EV_API_DECL void ev_idle_stop (EV_P_ ev_idle *w) EV_NOEXCEPT; |
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799 | # endif |
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800 | |
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801 | #if EV_PREPARE_ENABLE |
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802 | EV_API_DECL void ev_prepare_start (EV_P_ ev_prepare *w) EV_NOEXCEPT; |
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803 | EV_API_DECL void ev_prepare_stop (EV_P_ ev_prepare *w) EV_NOEXCEPT; |
475 | # endif |
804 | #endif |
476 | |
805 | |
477 | void ev_idle_start (EV_P_ ev_idle *w); |
806 | #if EV_CHECK_ENABLE |
478 | void ev_idle_stop (EV_P_ ev_idle *w); |
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479 | |
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480 | void ev_prepare_start (EV_P_ ev_prepare *w); |
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481 | void ev_prepare_stop (EV_P_ ev_prepare *w); |
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482 | |
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483 | void ev_check_start (EV_P_ ev_check *w); |
807 | EV_API_DECL void ev_check_start (EV_P_ ev_check *w) EV_NOEXCEPT; |
484 | void ev_check_stop (EV_P_ ev_check *w); |
808 | EV_API_DECL void ev_check_stop (EV_P_ ev_check *w) EV_NOEXCEPT; |
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809 | #endif |
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810 | |
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811 | # if EV_FORK_ENABLE |
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812 | EV_API_DECL void ev_fork_start (EV_P_ ev_fork *w) EV_NOEXCEPT; |
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813 | EV_API_DECL void ev_fork_stop (EV_P_ ev_fork *w) EV_NOEXCEPT; |
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814 | # endif |
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815 | |
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816 | # if EV_CLEANUP_ENABLE |
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817 | EV_API_DECL void ev_cleanup_start (EV_P_ ev_cleanup *w) EV_NOEXCEPT; |
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818 | EV_API_DECL void ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_NOEXCEPT; |
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819 | # endif |
485 | |
820 | |
486 | # if EV_EMBED_ENABLE |
821 | # if EV_EMBED_ENABLE |
487 | /* only supported when loop to be embedded is in fact embeddable */ |
822 | /* only supported when loop to be embedded is in fact embeddable */ |
488 | void ev_embed_start (EV_P_ ev_embed *w); |
823 | EV_API_DECL void ev_embed_start (EV_P_ ev_embed *w) EV_NOEXCEPT; |
489 | void ev_embed_stop (EV_P_ ev_embed *w); |
824 | EV_API_DECL void ev_embed_stop (EV_P_ ev_embed *w) EV_NOEXCEPT; |
490 | void ev_embed_sweep (EV_P_ ev_embed *w); |
825 | EV_API_DECL void ev_embed_sweep (EV_P_ ev_embed *w) EV_NOEXCEPT; |
491 | # endif |
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492 | |
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493 | #endif |
826 | # endif |
494 | |
827 | |
495 | #ifdef __cplusplus |
828 | # if EV_ASYNC_ENABLE |
496 | } |
829 | EV_API_DECL void ev_async_start (EV_P_ ev_async *w) EV_NOEXCEPT; |
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830 | EV_API_DECL void ev_async_stop (EV_P_ ev_async *w) EV_NOEXCEPT; |
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831 | EV_API_DECL void ev_async_send (EV_P_ ev_async *w) EV_NOEXCEPT; |
497 | #endif |
832 | # endif |
498 | |
833 | |
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834 | #if EV_COMPAT3 |
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835 | #define EVLOOP_NONBLOCK EVRUN_NOWAIT |
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836 | #define EVLOOP_ONESHOT EVRUN_ONCE |
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837 | #define EVUNLOOP_CANCEL EVBREAK_CANCEL |
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838 | #define EVUNLOOP_ONE EVBREAK_ONE |
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839 | #define EVUNLOOP_ALL EVBREAK_ALL |
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840 | #if EV_PROTOTYPES |
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841 | EV_INLINE void ev_loop (EV_P_ int flags) { ev_run (EV_A_ flags); } |
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842 | EV_INLINE void ev_unloop (EV_P_ int how ) { ev_break (EV_A_ how ); } |
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843 | EV_INLINE void ev_default_destroy (void) { ev_loop_destroy (EV_DEFAULT); } |
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844 | EV_INLINE void ev_default_fork (void) { ev_loop_fork (EV_DEFAULT); } |
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845 | #if EV_FEATURE_API |
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846 | EV_INLINE unsigned int ev_loop_count (EV_P) { return ev_iteration (EV_A); } |
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847 | EV_INLINE unsigned int ev_loop_depth (EV_P) { return ev_depth (EV_A); } |
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848 | EV_INLINE void ev_loop_verify (EV_P) { ev_verify (EV_A); } |
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849 | #endif |
499 | #endif |
850 | #endif |
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851 | #else |
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852 | typedef struct ev_loop ev_loop; |
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853 | #endif |
500 | |
854 | |
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855 | #endif |
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856 | |
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857 | EV_CPP(}) |
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858 | |
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859 | #endif |
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860 | |