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) 2007,2008,2009,2010 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: |
9 | * |
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10 | * 1. Redistributions of source code must retain the above copyright notice, |
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11 | * this list of conditions and the following disclaimer. |
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12 | * |
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13 | * 2. Redistributions in binary form must reproduce the above copyright |
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14 | * notice, this list of conditions and the following disclaimer in the |
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15 | * documentation and/or other materials provided with the distribution. |
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16 | * |
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17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED |
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18 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER- |
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19 | * CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO |
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20 | * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE- |
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21 | * CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
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22 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
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23 | * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
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24 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH- |
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25 | * ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
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26 | * OF THE POSSIBILITY OF SUCH DAMAGE. |
8 | * |
27 | * |
9 | * * Redistributions of source code must retain the above copyright |
28 | * Alternatively, the contents of this file may be used under the terms of |
10 | * notice, this list of conditions and the following disclaimer. |
29 | * the GNU General Public License ("GPL") version 2 or any later version, |
11 | * |
30 | * in which case the provisions of the GPL are applicable instead of |
12 | * * Redistributions in binary form must reproduce the above |
31 | * the above. If you wish to allow the use of your version of this file |
13 | * copyright notice, this list of conditions and the following |
32 | * only under the terms of the GPL and not to allow others to use your |
14 | * disclaimer in the documentation and/or other materials provided |
33 | * version of this file under the BSD license, indicate your decision |
15 | * with the distribution. |
34 | * by deleting the provisions above and replace them with the notice |
16 | * |
35 | * and other provisions required by the GPL. If you do not delete the |
17 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
36 | * provisions above, a recipient may use your version of this file under |
18 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
37 | * either the BSD or the GPL. |
19 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
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20 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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21 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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22 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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23 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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24 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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25 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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26 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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27 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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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 |
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44 | # define EV_CPP(x) x |
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45 | #else |
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46 | # define EV_CPP(x) |
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47 | #endif |
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48 | |
34 | extern "C" { |
49 | EV_CPP(extern "C" {) |
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50 | |
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51 | /*****************************************************************************/ |
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52 | |
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53 | /* pre-4.0 compatibility */ |
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54 | #ifndef EV_COMPAT3 |
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55 | # define EV_COMPAT3 1 |
35 | #endif |
56 | #endif |
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57 | |
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58 | #ifndef EV_FEATURES |
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59 | # define EV_FEATURES 0x7f |
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60 | #endif |
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61 | |
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62 | #define EV_FEATURE_CODE ((EV_FEATURES) & 1) |
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63 | #define EV_FEATURE_DATA ((EV_FEATURES) & 2) |
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64 | #define EV_FEATURE_CONFIG ((EV_FEATURES) & 4) |
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65 | #define EV_FEATURE_API ((EV_FEATURES) & 8) |
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66 | #define EV_FEATURE_WATCHERS ((EV_FEATURES) & 16) |
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67 | #define EV_FEATURE_BACKENDS ((EV_FEATURES) & 32) |
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68 | #define EV_FEATURE_OS ((EV_FEATURES) & 64) |
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69 | |
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70 | /* these priorities are inclusive, higher priorities will be invoked earlier */ |
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71 | #ifndef EV_MINPRI |
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72 | # define EV_MINPRI (EV_FEATURE_CONFIG ? -2 : 0) |
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73 | #endif |
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74 | #ifndef EV_MAXPRI |
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75 | # define EV_MAXPRI (EV_FEATURE_CONFIG ? +2 : 0) |
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76 | #endif |
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77 | |
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78 | #ifndef EV_MULTIPLICITY |
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79 | # define EV_MULTIPLICITY EV_FEATURE_CONFIG |
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80 | #endif |
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81 | |
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82 | #ifndef EV_PERIODIC_ENABLE |
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83 | # define EV_PERIODIC_ENABLE EV_FEATURE_WATCHERS |
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84 | #endif |
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85 | |
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86 | #ifndef EV_STAT_ENABLE |
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87 | # define EV_STAT_ENABLE EV_FEATURE_WATCHERS |
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88 | #endif |
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89 | |
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90 | #ifndef EV_PREPARE_ENABLE |
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91 | # define EV_PREPARE_ENABLE EV_FEATURE_WATCHERS |
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92 | #endif |
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93 | |
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94 | #ifndef EV_CHECK_ENABLE |
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95 | # define EV_CHECK_ENABLE EV_FEATURE_WATCHERS |
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96 | #endif |
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97 | |
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98 | #ifndef EV_IDLE_ENABLE |
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99 | # define EV_IDLE_ENABLE EV_FEATURE_WATCHERS |
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100 | #endif |
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101 | |
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102 | #ifndef EV_FORK_ENABLE |
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103 | # define EV_FORK_ENABLE EV_FEATURE_WATCHERS |
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104 | #endif |
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105 | |
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106 | #ifndef EV_SIGNAL_ENABLE |
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107 | # define EV_SIGNAL_ENABLE EV_FEATURE_WATCHERS |
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108 | #endif |
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109 | |
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110 | #ifndef EV_CHILD_ENABLE |
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111 | # ifdef _WIN32 |
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112 | # define EV_CHILD_ENABLE 0 |
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113 | # else |
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114 | # define EV_CHILD_ENABLE EV_FEATURE_WATCHERS |
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115 | #endif |
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116 | #endif |
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117 | |
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118 | #ifndef EV_ASYNC_ENABLE |
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119 | # define EV_ASYNC_ENABLE EV_FEATURE_WATCHERS |
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120 | #endif |
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121 | |
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122 | #ifndef EV_EMBED_ENABLE |
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123 | # define EV_EMBED_ENABLE EV_FEATURE_WATCHERS |
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124 | #endif |
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125 | |
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126 | #ifndef EV_WALK_ENABLE |
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127 | # define EV_WALK_ENABLE 0 /* not yet */ |
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128 | #endif |
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129 | |
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130 | /*****************************************************************************/ |
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131 | |
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132 | #if EV_CHILD_ENABLE && !EV_SIGNAL_ENABLE |
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133 | # undef EV_SIGNAL_ENABLE |
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134 | # define EV_SIGNAL_ENABLE 1 |
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135 | #endif |
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136 | |
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137 | /*****************************************************************************/ |
36 | |
138 | |
37 | typedef double ev_tstamp; |
139 | typedef double ev_tstamp; |
38 | |
140 | |
39 | /* these priorities are inclusive, higher priorities will be called earlier */ |
141 | #ifndef EV_ATOMIC_T |
40 | #ifndef EV_MINPRI |
142 | # include <signal.h> |
41 | # define EV_MINPRI -2 |
143 | # define EV_ATOMIC_T sig_atomic_t volatile |
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144 | #endif |
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145 | |
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146 | #if EV_STAT_ENABLE |
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147 | # ifdef _WIN32 |
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148 | # include <time.h> |
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149 | # include <sys/types.h> |
42 | #endif |
150 | # endif |
43 | #ifndef EV_MAXPRI |
151 | # include <sys/stat.h> |
44 | # define EV_MAXPRI +2 |
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45 | #endif |
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46 | |
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47 | #ifndef EV_MULTIPLICITY |
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48 | # define EV_MULTIPLICITY 1 |
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49 | #endif |
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50 | |
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51 | #ifndef EV_PERIODICS |
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52 | # define EV_PERIODICS 1 |
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53 | #endif |
152 | #endif |
54 | |
153 | |
55 | /* support multiple event loops? */ |
154 | /* support multiple event loops? */ |
56 | #if EV_MULTIPLICITY |
155 | #if EV_MULTIPLICITY |
57 | struct ev_loop; |
156 | struct ev_loop; |
58 | # define EV_P struct ev_loop *loop |
157 | # define EV_P struct ev_loop *loop /* a loop as sole parameter in a declaration */ |
59 | # define EV_P_ EV_P, |
158 | # define EV_P_ EV_P, /* a loop as first of multiple parameters */ |
60 | # define EV_A loop |
159 | # define EV_A loop /* a loop as sole argument to a function call */ |
61 | # define EV_A_ EV_A, |
160 | # define EV_A_ EV_A, /* a loop as first of multiple arguments */ |
62 | # define EV_DEFAULT_A ev_default_loop (0) |
161 | # define EV_DEFAULT_UC ev_default_loop_uc () /* the default loop, if initialised, as sole arg */ |
63 | # define EV_DEFAULT_A_ EV_DEFAULT_A, |
162 | # define EV_DEFAULT_UC_ EV_DEFAULT_UC, /* the default loop as first of multiple arguments */ |
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163 | # define EV_DEFAULT ev_default_loop (0) /* the default loop as sole arg */ |
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164 | # define EV_DEFAULT_ EV_DEFAULT, /* the default loop as first of multiple arguments */ |
64 | #else |
165 | #else |
65 | # define EV_P void |
166 | # define EV_P void |
66 | # define EV_P_ |
167 | # define EV_P_ |
67 | # define EV_A |
168 | # define EV_A |
68 | # define EV_A_ |
169 | # define EV_A_ |
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170 | # define EV_DEFAULT |
69 | # define EV_DEFAULT_A |
171 | # define EV_DEFAULT_ |
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172 | # define EV_DEFAULT_UC |
70 | # define EV_DEFAULT_A_ |
173 | # define EV_DEFAULT_UC_ |
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174 | # undef EV_EMBED_ENABLE |
71 | #endif |
175 | #endif |
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176 | |
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177 | /* EV_INLINE is used for functions in header files */ |
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178 | #if __STDC_VERSION__ >= 199901L || __GNUC__ >= 3 |
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179 | # define EV_INLINE static inline |
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180 | #else |
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181 | # define EV_INLINE static |
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182 | #endif |
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183 | |
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184 | /* EV_PROTOTYPES can be sued to switch of prototype declarations */ |
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185 | #ifndef EV_PROTOTYPES |
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186 | # define EV_PROTOTYPES 1 |
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187 | #endif |
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188 | |
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189 | /*****************************************************************************/ |
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190 | |
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191 | #define EV_VERSION_MAJOR 4 |
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192 | #define EV_VERSION_MINOR 0 |
72 | |
193 | |
73 | /* eventmask, revents, events... */ |
194 | /* eventmask, revents, events... */ |
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195 | enum { |
74 | #define EV_UNDEF -1L /* guaranteed to be invalid */ |
196 | EV_UNDEF = -1, /* guaranteed to be invalid */ |
75 | #define EV_NONE 0x00L |
197 | EV_NONE = 0x00, /* no events */ |
76 | #define EV_READ 0x01L /* io only */ |
198 | EV_READ = 0x01, /* ev_io detected read will not block */ |
77 | #define EV_WRITE 0x02L /* io only */ |
199 | EV_WRITE = 0x02, /* ev_io detected write will not block */ |
78 | #define EV_TIMEOUT 0x000100L /* timer only */ |
200 | EV__IOFDSET = 0x80, /* internal use only */ |
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201 | EV_IO = EV_READ, /* alias for type-detection */ |
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202 | EV_TIMER = 0x00000100, /* timer timed out */ |
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203 | #if EV_COMPAT3 |
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204 | EV_TIMEOUT = EV_TIMER, /* pre 4.0 API compatibility */ |
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205 | #endif |
79 | #define EV_PERIODIC 0x000200L /* periodic timer only */ |
206 | EV_PERIODIC = 0x00000200, /* periodic timer timed out */ |
80 | #define EV_SIGNAL 0x000400L /* signal only */ |
207 | EV_SIGNAL = 0x00000400, /* signal was received */ |
81 | #define EV_IDLE 0x000800L /* idle only */ |
208 | EV_CHILD = 0x00000800, /* child/pid had status change */ |
82 | #define EV_CHECK 0x001000L /* check only */ |
209 | EV_STAT = 0x00001000, /* stat data changed */ |
83 | #define EV_PREPARE 0x002000L /* prepare only */ |
210 | EV_IDLE = 0x00002000, /* event loop is idling */ |
84 | #define EV_CHILD 0x004000L /* child/pid only */ |
211 | EV_PREPARE = 0x00004000, /* event loop about to poll */ |
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212 | EV_CHECK = 0x00008000, /* event loop finished poll */ |
85 | #define EV_EMBED 0x008000L /* embedded event loop */ |
213 | EV_EMBED = 0x00010000, /* embedded event loop needs sweep */ |
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214 | EV_FORK = 0x00020000, /* event loop resumed in child */ |
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215 | EV_ASYNC = 0x00040000, /* async intra-loop signal */ |
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216 | EV_CUSTOM = 0x01000000, /* for use by user code */ |
86 | #define EV_ERROR 0x800000L /* sent when an error occurs */ |
217 | EV_ERROR = 0x80000000 /* sent when an error occurs */ |
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218 | }; |
87 | |
219 | |
88 | /* can be used to add custom fields to all watchers, while losing binary compatibility */ |
220 | /* can be used to add custom fields to all watchers, while losing binary compatibility */ |
89 | #ifndef EV_COMMON |
221 | #ifndef EV_COMMON |
90 | # define EV_COMMON void *data; |
222 | # define EV_COMMON void *data; |
91 | #endif |
223 | #endif |
92 | #ifndef EV_PROTOTYPES |
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93 | # define EV_PROTOTYPES 1 |
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94 | #endif |
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95 | |
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96 | #define EV_VERSION_MAJOR 1 |
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97 | #define EV_VERSION_MINOR 1 |
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98 | |
224 | |
99 | #ifndef EV_CB_DECLARE |
225 | #ifndef EV_CB_DECLARE |
100 | # define EV_CB_DECLARE(type) void (*cb)(EV_P_ struct type *w, int revents); |
226 | # define EV_CB_DECLARE(type) void (*cb)(EV_P_ struct type *w, int revents); |
101 | #endif |
227 | #endif |
102 | #ifndef EV_CB_INVOKE |
228 | #ifndef EV_CB_INVOKE |
103 | # define EV_CB_INVOKE(watcher,revents) (watcher)->cb (EV_A_ (watcher), (revents)) |
229 | # define EV_CB_INVOKE(watcher,revents) (watcher)->cb (EV_A_ (watcher), (revents)) |
104 | #endif |
230 | #endif |
105 | |
231 | |
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232 | /* not official, do not use */ |
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233 | #define EV_CB(type,name) void name (EV_P_ struct ev_ ## type *w, int revents) |
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234 | |
106 | /* |
235 | /* |
107 | * struct member types: |
236 | * struct member types: |
108 | * private: you can look at them, but not change them, and they might not mean anything to you. |
237 | * private: you may look at them, but not change them, |
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238 | * and they might not mean anything to you. |
109 | * ro: can be read anytime, but only changed when the watcher isn't active |
239 | * ro: can be read anytime, but only changed when the watcher isn't active. |
110 | * rw: can be read and modified anytime, even when the watcher is active |
240 | * rw: can be read and modified anytime, even when the watcher is active. |
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241 | * |
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242 | * some internal details that might be helpful for debugging: |
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243 | * |
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244 | * active is either 0, which means the watcher is not active, |
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245 | * or the array index of the watcher (periodics, timers) |
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246 | * or the array index + 1 (most other watchers) |
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247 | * or simply 1 for watchers that aren't in some array. |
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248 | * pending is either 0, in which case the watcher isn't, |
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249 | * or the array index + 1 in the pendings array. |
111 | */ |
250 | */ |
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251 | |
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252 | #if EV_MINPRI == EV_MAXPRI |
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253 | # define EV_DECL_PRIORITY |
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254 | #elif !defined (EV_DECL_PRIORITY) |
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255 | # define EV_DECL_PRIORITY int priority; |
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256 | #endif |
112 | |
257 | |
113 | /* shared by all watchers */ |
258 | /* shared by all watchers */ |
114 | #define EV_WATCHER(type) \ |
259 | #define EV_WATCHER(type) \ |
115 | int active; /* private */ \ |
260 | int active; /* private */ \ |
116 | int pending; /* private */ \ |
261 | int pending; /* private */ \ |
117 | int priority; /* private */ \ |
262 | EV_DECL_PRIORITY /* private */ \ |
118 | EV_COMMON /* rw */ \ |
263 | EV_COMMON /* rw */ \ |
119 | EV_CB_DECLARE (type) /* private */ |
264 | EV_CB_DECLARE (type) /* private */ |
120 | |
265 | |
121 | #define EV_WATCHER_LIST(type) \ |
266 | #define EV_WATCHER_LIST(type) \ |
122 | EV_WATCHER (type) \ |
267 | EV_WATCHER (type) \ |
… | |
… | |
125 | #define EV_WATCHER_TIME(type) \ |
270 | #define EV_WATCHER_TIME(type) \ |
126 | EV_WATCHER (type) \ |
271 | EV_WATCHER (type) \ |
127 | ev_tstamp at; /* private */ |
272 | ev_tstamp at; /* private */ |
128 | |
273 | |
129 | /* base class, nothing to see here unless you subclass */ |
274 | /* base class, nothing to see here unless you subclass */ |
130 | struct ev_watcher |
275 | typedef struct ev_watcher |
131 | { |
276 | { |
132 | EV_WATCHER (ev_watcher) |
277 | EV_WATCHER (ev_watcher) |
133 | }; |
278 | } ev_watcher; |
134 | |
279 | |
135 | /* base class, nothing to see here unless you subclass */ |
280 | /* base class, nothing to see here unless you subclass */ |
136 | struct ev_watcher_list |
281 | typedef struct ev_watcher_list |
137 | { |
282 | { |
138 | EV_WATCHER_LIST (ev_watcher_list) |
283 | EV_WATCHER_LIST (ev_watcher_list) |
139 | }; |
284 | } ev_watcher_list; |
140 | |
285 | |
141 | /* base class, nothing to see here unless you subclass */ |
286 | /* base class, nothing to see here unless you subclass */ |
142 | struct ev_watcher_time |
287 | typedef struct ev_watcher_time |
143 | { |
288 | { |
144 | EV_WATCHER_TIME (ev_watcher_time) |
289 | EV_WATCHER_TIME (ev_watcher_time) |
145 | }; |
290 | } ev_watcher_time; |
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291 | |
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292 | /* invoked when fd is either EV_READable or EV_WRITEable */ |
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293 | /* revent EV_READ, EV_WRITE */ |
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294 | typedef struct ev_io |
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295 | { |
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296 | EV_WATCHER_LIST (ev_io) |
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297 | |
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298 | int fd; /* ro */ |
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299 | int events; /* ro */ |
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300 | } ev_io; |
146 | |
301 | |
147 | /* invoked after a specific time, repeatable (based on monotonic clock) */ |
302 | /* invoked after a specific time, repeatable (based on monotonic clock) */ |
148 | /* revent EV_TIMEOUT */ |
303 | /* revent EV_TIMEOUT */ |
149 | struct ev_timer |
304 | typedef struct ev_timer |
150 | { |
305 | { |
151 | EV_WATCHER_TIME (ev_timer) |
306 | EV_WATCHER_TIME (ev_timer) |
152 | |
307 | |
153 | ev_tstamp repeat; /* rw */ |
308 | ev_tstamp repeat; /* rw */ |
154 | }; |
309 | } ev_timer; |
155 | |
310 | |
156 | /* invoked at some specific time, possibly repeating at regular intervals (based on UTC) */ |
311 | /* invoked at some specific time, possibly repeating at regular intervals (based on UTC) */ |
157 | /* revent EV_PERIODIC */ |
312 | /* revent EV_PERIODIC */ |
158 | struct ev_periodic |
313 | typedef struct ev_periodic |
159 | { |
314 | { |
160 | EV_WATCHER_TIME (ev_periodic) |
315 | EV_WATCHER_TIME (ev_periodic) |
161 | |
316 | |
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317 | ev_tstamp offset; /* rw */ |
162 | ev_tstamp interval; /* rw */ |
318 | ev_tstamp interval; /* rw */ |
163 | ev_tstamp (*reschedule_cb)(struct ev_periodic *w, ev_tstamp now); /* rw */ |
319 | ev_tstamp (*reschedule_cb)(struct ev_periodic *w, ev_tstamp now); /* rw */ |
164 | }; |
320 | } ev_periodic; |
165 | |
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166 | /* invoked when fd is either EV_READable or EV_WRITEable */ |
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167 | /* revent EV_READ, EV_WRITE */ |
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168 | struct ev_io |
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169 | { |
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170 | EV_WATCHER_LIST (ev_io) |
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171 | |
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172 | int fd; /* ro */ |
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173 | int events; /* ro */ |
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174 | }; |
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175 | |
321 | |
176 | /* invoked when the given signal has been received */ |
322 | /* invoked when the given signal has been received */ |
177 | /* revent EV_SIGNAL */ |
323 | /* revent EV_SIGNAL */ |
178 | struct ev_signal |
324 | typedef struct ev_signal |
179 | { |
325 | { |
180 | EV_WATCHER_LIST (ev_signal) |
326 | EV_WATCHER_LIST (ev_signal) |
181 | |
327 | |
182 | int signum; /* ro */ |
328 | int signum; /* ro */ |
183 | }; |
329 | } ev_signal; |
184 | |
330 | |
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331 | /* invoked when sigchld is received and waitpid indicates the given pid */ |
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332 | /* revent EV_CHILD */ |
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333 | /* does not support priorities */ |
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334 | typedef struct ev_child |
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335 | { |
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336 | EV_WATCHER_LIST (ev_child) |
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337 | |
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338 | int flags; /* private */ |
|
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339 | int pid; /* ro */ |
|
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340 | int rpid; /* rw, holds the received pid */ |
|
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341 | int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */ |
|
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342 | } ev_child; |
|
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343 | |
|
|
344 | #if EV_STAT_ENABLE |
|
|
345 | /* st_nlink = 0 means missing file or other error */ |
|
|
346 | # ifdef _WIN32 |
|
|
347 | typedef struct _stati64 ev_statdata; |
|
|
348 | # else |
|
|
349 | typedef struct stat ev_statdata; |
|
|
350 | # endif |
|
|
351 | |
|
|
352 | /* invoked each time the stat data changes for a given path */ |
|
|
353 | /* revent EV_STAT */ |
|
|
354 | typedef struct ev_stat |
|
|
355 | { |
|
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356 | EV_WATCHER_LIST (ev_stat) |
|
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357 | |
|
|
358 | ev_timer timer; /* private */ |
|
|
359 | ev_tstamp interval; /* ro */ |
|
|
360 | const char *path; /* ro */ |
|
|
361 | ev_statdata prev; /* ro */ |
|
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362 | ev_statdata attr; /* ro */ |
|
|
363 | |
|
|
364 | int wd; /* wd for inotify, fd for kqueue */ |
|
|
365 | } ev_stat; |
|
|
366 | #endif |
|
|
367 | |
|
|
368 | #if EV_IDLE_ENABLE |
185 | /* invoked when the nothing else needs to be done, keeps the process from blocking */ |
369 | /* invoked when the nothing else needs to be done, keeps the process from blocking */ |
186 | /* revent EV_IDLE */ |
370 | /* revent EV_IDLE */ |
187 | struct ev_idle |
371 | typedef struct ev_idle |
188 | { |
372 | { |
189 | EV_WATCHER (ev_idle) |
373 | EV_WATCHER (ev_idle) |
190 | }; |
374 | } ev_idle; |
|
|
375 | #endif |
191 | |
376 | |
192 | /* invoked for each run of the mainloop, just before the blocking call */ |
377 | /* invoked for each run of the mainloop, just before the blocking call */ |
193 | /* you can still change events in any way you like */ |
378 | /* you can still change events in any way you like */ |
194 | /* revent EV_PREPARE */ |
379 | /* revent EV_PREPARE */ |
195 | struct ev_prepare |
380 | typedef struct ev_prepare |
196 | { |
381 | { |
197 | EV_WATCHER (ev_prepare) |
382 | EV_WATCHER (ev_prepare) |
198 | }; |
383 | } ev_prepare; |
199 | |
384 | |
200 | /* invoked for each run of the mainloop, just after the blocking call */ |
385 | /* invoked for each run of the mainloop, just after the blocking call */ |
201 | /* revent EV_CHECK */ |
386 | /* revent EV_CHECK */ |
202 | struct ev_check |
387 | typedef struct ev_check |
203 | { |
388 | { |
204 | EV_WATCHER (ev_check) |
389 | EV_WATCHER (ev_check) |
205 | }; |
390 | } ev_check; |
206 | |
391 | |
207 | /* invoked when sigchld is received and waitpid indicates the given pid */ |
392 | #if EV_FORK_ENABLE |
208 | /* revent EV_CHILD */ |
393 | /* the callback gets invoked before check in the child process when a fork was detected */ |
209 | /* does not support priorities */ |
394 | typedef struct ev_fork |
210 | struct ev_child |
|
|
211 | { |
395 | { |
212 | EV_WATCHER_LIST (ev_child) |
396 | EV_WATCHER (ev_fork) |
|
|
397 | } ev_fork; |
|
|
398 | #endif |
213 | |
399 | |
214 | int pid; /* ro */ |
400 | #if EV_EMBED_ENABLE |
215 | int rpid; /* rw, holds the received pid */ |
|
|
216 | int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */ |
|
|
217 | }; |
|
|
218 | |
|
|
219 | #if EV_MULTIPLICITY |
|
|
220 | /* used to embed an event loop inside another */ |
401 | /* used to embed an event loop inside another */ |
221 | /* the callback gets invoked when the event loop has handled events, and can be 0 */ |
402 | /* the callback gets invoked when the event loop has handled events, and can be 0 */ |
222 | struct ev_embed |
403 | typedef struct ev_embed |
223 | { |
404 | { |
224 | EV_WATCHER (ev_embed) |
405 | EV_WATCHER (ev_embed) |
225 | |
406 | |
226 | struct ev_io io; /* private */ |
|
|
227 | struct ev_loop *loop; /* ro */ |
407 | struct ev_loop *other; /* ro */ |
228 | }; |
408 | ev_io io; /* private */ |
|
|
409 | ev_prepare prepare; /* private */ |
|
|
410 | ev_check check; /* unused */ |
|
|
411 | ev_timer timer; /* unused */ |
|
|
412 | ev_periodic periodic; /* unused */ |
|
|
413 | ev_idle idle; /* unused */ |
|
|
414 | ev_fork fork; /* private */ |
|
|
415 | } ev_embed; |
|
|
416 | #endif |
|
|
417 | |
|
|
418 | #if EV_ASYNC_ENABLE |
|
|
419 | /* invoked when somebody calls ev_async_send on the watcher */ |
|
|
420 | /* revent EV_ASYNC */ |
|
|
421 | typedef struct ev_async |
|
|
422 | { |
|
|
423 | EV_WATCHER (ev_async) |
|
|
424 | |
|
|
425 | EV_ATOMIC_T sent; /* private */ |
|
|
426 | } ev_async; |
|
|
427 | |
|
|
428 | # define ev_async_pending(w) (+(w)->sent) |
229 | #endif |
429 | #endif |
230 | |
430 | |
231 | /* the presence of this union forces similar struct layout */ |
431 | /* the presence of this union forces similar struct layout */ |
232 | union ev_any_watcher |
432 | union ev_any_watcher |
233 | { |
433 | { |
… | |
… | |
235 | struct ev_watcher_list wl; |
435 | struct ev_watcher_list wl; |
236 | |
436 | |
237 | struct ev_io io; |
437 | struct ev_io io; |
238 | struct ev_timer timer; |
438 | struct ev_timer timer; |
239 | struct ev_periodic periodic; |
439 | struct ev_periodic periodic; |
|
|
440 | struct ev_signal signal; |
|
|
441 | struct ev_child child; |
|
|
442 | #if EV_STAT_ENABLE |
|
|
443 | struct ev_stat stat; |
|
|
444 | #endif |
|
|
445 | #if EV_IDLE_ENABLE |
240 | struct ev_idle idle; |
446 | struct ev_idle idle; |
|
|
447 | #endif |
241 | struct ev_prepare prepare; |
448 | struct ev_prepare prepare; |
242 | struct ev_check check; |
449 | struct ev_check check; |
243 | struct ev_signal signal; |
450 | #if EV_FORK_ENABLE |
244 | struct ev_child child; |
451 | struct ev_fork fork; |
|
|
452 | #endif |
|
|
453 | #if EV_EMBED_ENABLE |
245 | struct ev_embed embed; |
454 | struct ev_embed embed; |
|
|
455 | #endif |
|
|
456 | #if EV_ASYNC_ENABLE |
|
|
457 | struct ev_async async; |
|
|
458 | #endif |
246 | }; |
459 | }; |
247 | |
460 | |
248 | /* bits for ev_default_loop and ev_loop_new */ |
461 | /* flag bits for ev_default_loop and ev_loop_new */ |
|
|
462 | enum { |
249 | /* the default */ |
463 | /* the default */ |
250 | #define EVFLAG_AUTO 0x00000000UL /* not quite a mask */ |
464 | EVFLAG_AUTO = 0x00000000U, /* not quite a mask */ |
251 | /* flag bits */ |
465 | /* flag bits */ |
252 | #define EVFLAG_NOENV 0x01000000UL /* do NOT consult environment */ |
466 | EVFLAG_NOENV = 0x01000000U, /* do NOT consult environment */ |
|
|
467 | EVFLAG_FORKCHECK = 0x02000000U, /* check for a fork in each iteration */ |
|
|
468 | /* debugging/feature disable */ |
|
|
469 | EVFLAG_NOINOTIFY = 0x00100000U, /* do not attempt to use inotify */ |
|
|
470 | #if EV_COMPAT3 |
|
|
471 | EVFLAG_NOSIGFD = 0, /* compatibility to pre-3.9 */ |
|
|
472 | #endif |
|
|
473 | EVFLAG_SIGNALFD = 0x00200000U /* attempt to use signalfd */ |
|
|
474 | }; |
|
|
475 | |
253 | /* method bits to be ored together */ |
476 | /* method bits to be ored together */ |
|
|
477 | enum { |
254 | #define EVBACKEND_SELECT 0x00000001UL /* about anywhere */ |
478 | EVBACKEND_SELECT = 0x00000001U, /* about anywhere */ |
255 | #define EVBACKEND_POLL 0x00000002UL /* !win */ |
479 | EVBACKEND_POLL = 0x00000002U, /* !win */ |
256 | #define EVBACKEND_EPOLL 0x00000004UL /* linux */ |
480 | EVBACKEND_EPOLL = 0x00000004U, /* linux */ |
257 | #define EVBACKEND_KQUEUE 0x00000008UL /* bsd */ |
481 | EVBACKEND_KQUEUE = 0x00000008U, /* bsd */ |
258 | #define EVBACKEND_DEVPOLL 0x00000010UL /* solaris 8 */ /* NYI */ |
482 | EVBACKEND_DEVPOLL = 0x00000010U, /* solaris 8 */ /* NYI */ |
259 | #define EVBACKEND_PORT 0x00000020UL /* solaris 10 */ |
483 | EVBACKEND_PORT = 0x00000020U, /* solaris 10 */ |
|
|
484 | EVBACKEND_ALL = 0x0000003FU |
|
|
485 | }; |
260 | |
486 | |
261 | #if EV_PROTOTYPES |
487 | #if EV_PROTOTYPES |
262 | int ev_version_major (void); |
488 | int ev_version_major (void); |
263 | int ev_version_minor (void); |
489 | int ev_version_minor (void); |
264 | |
490 | |
265 | unsigned int ev_supported_backends (void); |
491 | unsigned int ev_supported_backends (void); |
266 | unsigned int ev_recommended_backends (void); |
492 | unsigned int ev_recommended_backends (void); |
267 | unsigned int ev_embeddable_backends (void); |
493 | unsigned int ev_embeddable_backends (void); |
268 | |
494 | |
269 | ev_tstamp ev_time (void); |
495 | ev_tstamp ev_time (void); |
|
|
496 | void ev_sleep (ev_tstamp delay); /* sleep for a while */ |
270 | |
497 | |
271 | /* Sets the allocation function to use, works like realloc. |
498 | /* Sets the allocation function to use, works like realloc. |
272 | * It is used to allocate and free memory. |
499 | * It is used to allocate and free memory. |
273 | * If it returns zero when memory needs to be allocated, the library might abort |
500 | * If it returns zero when memory needs to be allocated, the library might abort |
274 | * or take some potentially destructive action. |
501 | * or take some potentially destructive action. |
… | |
… | |
280 | * retryable syscall error |
507 | * retryable syscall error |
281 | * (such as failed select, poll, epoll_wait) |
508 | * (such as failed select, poll, epoll_wait) |
282 | */ |
509 | */ |
283 | void ev_set_syserr_cb (void (*cb)(const char *msg)); |
510 | void ev_set_syserr_cb (void (*cb)(const char *msg)); |
284 | |
511 | |
285 | # if EV_MULTIPLICITY |
512 | #if EV_MULTIPLICITY |
|
|
513 | EV_INLINE struct ev_loop * |
|
|
514 | ev_default_loop_uc (void) |
|
|
515 | { |
|
|
516 | extern struct ev_loop *ev_default_loop_ptr; |
|
|
517 | |
|
|
518 | return ev_default_loop_ptr; |
|
|
519 | } |
|
|
520 | |
286 | /* the default loop is the only one that handles signals and child watchers */ |
521 | /* the default loop is the only one that handles signals and child watchers */ |
287 | /* you can call this as often as you like */ |
522 | /* you can call this as often as you like */ |
288 | static struct ev_loop * |
523 | EV_INLINE struct ev_loop * |
289 | ev_default_loop (unsigned int flags) |
524 | ev_default_loop (unsigned int flags EV_CPP (= 0)) |
290 | { |
525 | { |
291 | extern struct ev_loop *ev_default_loop_ptr; |
526 | struct ev_loop *loop = ev_default_loop_uc (); |
|
|
527 | |
|
|
528 | if (!loop) |
|
|
529 | { |
292 | extern struct ev_loop *ev_default_loop_init (unsigned int flags); |
530 | extern struct ev_loop *ev_default_loop_init (unsigned int flags); |
293 | |
531 | |
294 | if (!ev_default_loop_ptr) |
|
|
295 | ev_default_loop_init (flags); |
532 | loop = ev_default_loop_init (flags); |
|
|
533 | } |
296 | |
534 | |
297 | return ev_default_loop_ptr; |
535 | return loop; |
298 | } |
536 | } |
299 | |
537 | |
300 | /* create and destroy alternative loops that don't handle signals */ |
538 | /* create and destroy alternative loops that don't handle signals */ |
301 | struct ev_loop *ev_loop_new (unsigned int flags); |
539 | struct ev_loop *ev_loop_new (unsigned int flags EV_CPP (= 0)); |
302 | void ev_loop_destroy (EV_P); |
540 | void ev_loop_destroy (EV_P); |
303 | void ev_loop_fork (EV_P); |
541 | void ev_loop_fork (EV_P); |
304 | |
542 | |
305 | ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */ |
543 | ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */ |
306 | |
544 | |
307 | # else |
545 | #else |
308 | |
546 | |
309 | int ev_default_loop (unsigned int flags); /* returns true when successful */ |
547 | int ev_default_loop (unsigned int flags EV_CPP (= 0)); /* returns true when successful */ |
310 | |
548 | |
311 | static ev_tstamp |
549 | EV_INLINE ev_tstamp |
312 | ev_now (void) |
550 | ev_now (void) |
313 | { |
551 | { |
314 | extern ev_tstamp ev_rt_now; |
552 | extern ev_tstamp ev_rt_now; |
315 | |
553 | |
316 | return ev_rt_now; |
554 | return ev_rt_now; |
317 | } |
555 | } |
|
|
556 | #endif /* multiplicity */ |
|
|
557 | |
|
|
558 | EV_INLINE int |
|
|
559 | ev_is_default_loop (EV_P) |
|
|
560 | { |
|
|
561 | #if EV_MULTIPLICITY |
|
|
562 | extern struct ev_loop *ev_default_loop_ptr; |
|
|
563 | |
|
|
564 | return !!(EV_A == ev_default_loop_ptr); |
|
|
565 | #else |
|
|
566 | return 1; |
318 | # endif |
567 | #endif |
|
|
568 | } |
319 | |
569 | |
320 | void ev_default_destroy (void); /* destroy the default loop */ |
570 | void ev_default_destroy (void); /* destroy the default loop */ |
321 | /* this needs to be called after fork, to duplicate the default loop */ |
571 | /* this needs to be called after fork, to duplicate the default loop */ |
322 | /* if you create alternative loops you have to call ev_loop_fork on them */ |
572 | /* if you create alternative loops you have to call ev_loop_fork on them */ |
323 | /* you can call it in either the parent or the child */ |
573 | /* you can call it in either the parent or the child */ |
324 | /* you can actually call it at any time, anywhere :) */ |
574 | /* you can actually call it at any time, anywhere :) */ |
325 | void ev_default_fork (void); |
575 | void ev_default_fork (void); |
326 | |
576 | |
327 | unsigned int ev_backend (EV_P); |
577 | unsigned int ev_backend (EV_P); /* backend in use by loop */ |
328 | #endif |
|
|
329 | |
578 | |
330 | #define EVLOOP_NONBLOCK 1 /* do not block/wait */ |
579 | void ev_now_update (EV_P); /* update event loop time */ |
331 | #define EVLOOP_ONESHOT 2 /* block *once* only */ |
580 | |
332 | #define EVUNLOOP_ONE 1 /* unloop once */ |
581 | #if EV_WALK_ENABLE |
|
|
582 | /* walk (almost) all watchers in the loop of a given type, invoking the */ |
|
|
583 | /* callback on every such watcher. The callback might stop the watcher, */ |
|
|
584 | /* but do nothing else with the loop */ |
|
|
585 | void ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)); |
|
|
586 | #endif |
|
|
587 | |
|
|
588 | #endif /* prototypes */ |
|
|
589 | |
|
|
590 | /* ev_run flags values */ |
|
|
591 | enum { |
|
|
592 | EVRUN_NOWAIT = 1, /* do not block/wait */ |
|
|
593 | EVRUN_ONCE = 2 /* block *once* only */ |
|
|
594 | }; |
|
|
595 | |
|
|
596 | /* ev_break how values */ |
|
|
597 | enum { |
|
|
598 | EVBREAK_CANCEL = 0, /* undo unloop */ |
|
|
599 | EVBREAK_ONE = 1, /* unloop once */ |
333 | #define EVUNLOOP_ALL 2 /* unloop all loops */ |
600 | EVBREAK_ALL = 2 /* unloop all loops */ |
|
|
601 | }; |
334 | |
602 | |
335 | #if EV_PROTOTYPES |
603 | #if EV_PROTOTYPES |
336 | void ev_loop (EV_P_ int flags); |
604 | void ev_run (EV_P_ int flags EV_CPP (= 0)); |
337 | 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 */ |
605 | void ev_break (EV_P_ int how EV_CPP (= EVBREAK_ONE)); /* break out of the loop */ |
338 | |
606 | |
339 | /* |
607 | /* |
340 | * ref/unref can be used to add or remove a refcount on the mainloop. every watcher |
608 | * ref/unref can be used to add or remove a refcount on the mainloop. every watcher |
341 | * keeps one reference. if you have a long-runing watcher you never unregister that |
609 | * keeps one reference. if you have a long-running watcher you never unregister that |
342 | * should not keep ev_loop from running, unref() after starting, and ref() before stopping. |
610 | * should not keep ev_loop from running, unref() after starting, and ref() before stopping. |
343 | */ |
611 | */ |
344 | void ev_ref (EV_P); |
612 | void ev_ref (EV_P); |
345 | void ev_unref (EV_P); |
613 | void ev_unref (EV_P); |
346 | |
614 | |
|
|
615 | /* |
347 | /* convinience function, wait for a single event, without registering an event watcher */ |
616 | * convenience function, wait for a single event, without registering an event watcher |
348 | /* if timeout is < 0, do wait indefinitely */ |
617 | * if timeout is < 0, do wait indefinitely |
|
|
618 | */ |
349 | void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg); |
619 | void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg); |
|
|
620 | |
|
|
621 | # if EV_FEATURE_API |
|
|
622 | unsigned int ev_iteration (EV_P); /* number of loop iterations */ |
|
|
623 | unsigned int ev_depth (EV_P); /* #ev_loop enters - #ev_loop leaves */ |
|
|
624 | void ev_verify (EV_P); /* abort if loop data corrupted */ |
|
|
625 | |
|
|
626 | void ev_set_io_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */ |
|
|
627 | void ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */ |
|
|
628 | |
|
|
629 | /* advanced stuff for threading etc. support, see docs */ |
|
|
630 | void ev_set_userdata (EV_P_ void *data); |
|
|
631 | void *ev_userdata (EV_P); |
|
|
632 | void ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)); |
|
|
633 | void ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P)); |
|
|
634 | |
|
|
635 | unsigned int ev_pending_count (EV_P); /* number of pending events, if any */ |
|
|
636 | void ev_invoke_pending (EV_P); /* invoke all pending watchers */ |
|
|
637 | |
|
|
638 | /* |
|
|
639 | * stop/start the timer handling. |
|
|
640 | */ |
|
|
641 | void ev_suspend (EV_P); |
|
|
642 | void ev_resume (EV_P); |
|
|
643 | #endif |
|
|
644 | |
350 | #endif |
645 | #endif |
351 | |
646 | |
352 | /* these may evaluate ev multiple times, and the other arguments at most once */ |
647 | /* these may evaluate ev multiple times, and the other arguments at most once */ |
353 | /* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */ |
648 | /* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */ |
354 | #define ev_init(ev,cb_) do { \ |
649 | #define ev_init(ev,cb_) do { \ |
355 | ((struct ev_watcher *)(void *)(ev))->active = \ |
650 | ((ev_watcher *)(void *)(ev))->active = \ |
356 | ((struct ev_watcher *)(void *)(ev))->pending = \ |
651 | ((ev_watcher *)(void *)(ev))->pending = 0; \ |
357 | ((struct ev_watcher *)(void *)(ev))->priority = 0; \ |
652 | ev_set_priority ((ev), 0); \ |
358 | ev_set_cb ((ev), cb_); \ |
653 | ev_set_cb ((ev), cb_); \ |
359 | } while (0) |
654 | } while (0) |
360 | |
655 | |
361 | #define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_); } while (0) |
656 | #define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_) | EV__IOFDSET; } while (0) |
362 | #define ev_timer_set(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); } while (0) |
657 | #define ev_timer_set(ev,after_,repeat_) do { ((ev_watcher_time *)(ev))->at = (after_); (ev)->repeat = (repeat_); } while (0) |
363 | #define ev_periodic_set(ev,at_,ival_,res_) do { (ev)->at = (at_); (ev)->interval = (ival_); (ev)->reschedule_cb= (res_); } while (0) |
658 | #define ev_periodic_set(ev,ofs_,ival_,rcb_) do { (ev)->offset = (ofs_); (ev)->interval = (ival_); (ev)->reschedule_cb = (rcb_); } while (0) |
364 | #define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0) |
659 | #define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0) |
|
|
660 | #define ev_child_set(ev,pid_,trace_) do { (ev)->pid = (pid_); (ev)->flags = !!(trace_); } while (0) |
|
|
661 | #define ev_stat_set(ev,path_,interval_) do { (ev)->path = (path_); (ev)->interval = (interval_); (ev)->wd = -2; } while (0) |
365 | #define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */ |
662 | #define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */ |
366 | #define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */ |
663 | #define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */ |
367 | #define ev_check_set(ev) /* nop, yes, this is a serious in-joke */ |
664 | #define ev_check_set(ev) /* nop, yes, this is a serious in-joke */ |
368 | #define ev_child_set(ev,pid_) do { (ev)->pid = (pid_); } while (0) |
|
|
369 | #define ev_embed_set(ev,loop_) do { (ev)->loop = (loop_); } while (0) |
665 | #define ev_embed_set(ev,other_) do { (ev)->other = (other_); } while (0) |
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666 | #define ev_fork_set(ev) /* nop, yes, this is a serious in-joke */ |
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667 | #define ev_async_set(ev) /* nop, yes, this is a serious in-joke */ |
370 | |
668 | |
371 | #define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0) |
669 | #define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0) |
372 | #define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0) |
670 | #define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0) |
373 | #define ev_periodic_init(ev,cb,at,ival,res) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(at),(ival),(res)); } while (0) |
671 | #define ev_periodic_init(ev,cb,ofs,ival,rcb) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(ofs),(ival),(rcb)); } while (0) |
374 | #define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0) |
672 | #define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0) |
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673 | #define ev_child_init(ev,cb,pid,trace) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid),(trace)); } while (0) |
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674 | #define ev_stat_init(ev,cb,path,interval) do { ev_init ((ev), (cb)); ev_stat_set ((ev),(path),(interval)); } while (0) |
375 | #define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0) |
675 | #define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0) |
376 | #define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0) |
676 | #define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0) |
377 | #define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0) |
677 | #define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0) |
378 | #define ev_child_init(ev,cb,pid) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid)); } while (0) |
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379 | #define ev_embed_init(ev,cb,loop) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(loop)); } while (0) |
678 | #define ev_embed_init(ev,cb,other) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(other)); } while (0) |
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679 | #define ev_fork_init(ev,cb) do { ev_init ((ev), (cb)); ev_fork_set ((ev)); } while (0) |
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680 | #define ev_async_init(ev,cb) do { ev_init ((ev), (cb)); ev_async_set ((ev)); } while (0) |
380 | |
681 | |
381 | #define ev_is_pending(ev) (0 + ((struct ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */ |
682 | #define ev_is_pending(ev) (0 + ((ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */ |
382 | #define ev_is_active(ev) (0 + ((struct ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */ |
683 | #define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */ |
383 | |
684 | |
384 | #define ev_priority(ev) ((struct ev_watcher *)(void *)(ev))->priority /* rw */ |
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385 | #define ev_cb(ev) (ev)->cb /* rw */ |
685 | #define ev_cb(ev) (ev)->cb /* rw */ |
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686 | |
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687 | #if EV_MINPRI == EV_MAXPRI |
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688 | # define ev_priority(ev) ((ev), EV_MINPRI) |
386 | #define ev_set_priority(ev,pri) ev_priority (ev) = (pri) |
689 | # define ev_set_priority(ev,pri) ((ev), (pri)) |
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690 | #else |
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691 | # define ev_priority(ev) (+(((ev_watcher *)(void *)(ev))->priority)) |
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692 | # define ev_set_priority(ev,pri) ( (ev_watcher *)(void *)(ev))->priority = (pri) |
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693 | #endif |
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694 | |
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695 | #define ev_periodic_at(ev) (+((ev_watcher_time *)(ev))->at) |
387 | |
696 | |
388 | #ifndef ev_set_cb |
697 | #ifndef ev_set_cb |
389 | # define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_) |
698 | # define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_) |
390 | #endif |
699 | #endif |
391 | |
700 | |
392 | /* stopping (enabling, adding) a watcher does nothing if it is already running */ |
701 | /* stopping (enabling, adding) a watcher does nothing if it is already running */ |
393 | /* stopping (disabling, deleting) a watcher does nothing unless its already running */ |
702 | /* stopping (disabling, deleting) a watcher does nothing unless its already running */ |
394 | #if EV_PROTOTYPES |
703 | #if EV_PROTOTYPES |
395 | |
704 | |
396 | /* feeds an event into a watcher as if the event actually occured */ |
705 | /* feeds an event into a watcher as if the event actually occured */ |
397 | /* accepts any ev_watcher type */ |
706 | /* accepts any ev_watcher type */ |
398 | void ev_feed_event (EV_P_ void *w, int revents); |
707 | void ev_feed_event (EV_P_ void *w, int revents); |
399 | void ev_feed_fd_event (EV_P_ int fd, int revents); |
708 | void ev_feed_fd_event (EV_P_ int fd, int revents); |
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709 | #if EV_SIGNAL_ENABLE |
400 | void ev_feed_signal_event (EV_P_ int signum); |
710 | void ev_feed_signal_event (EV_P_ int signum); |
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711 | #endif |
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712 | void ev_invoke (EV_P_ void *w, int revents); |
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713 | int ev_clear_pending (EV_P_ void *w); |
401 | |
714 | |
402 | void ev_io_start (EV_P_ struct ev_io *w); |
715 | void ev_io_start (EV_P_ ev_io *w); |
403 | void ev_io_stop (EV_P_ struct ev_io *w); |
716 | void ev_io_stop (EV_P_ ev_io *w); |
404 | |
717 | |
405 | void ev_timer_start (EV_P_ struct ev_timer *w); |
718 | void ev_timer_start (EV_P_ ev_timer *w); |
406 | void ev_timer_stop (EV_P_ struct ev_timer *w); |
719 | void ev_timer_stop (EV_P_ ev_timer *w); |
407 | /* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */ |
720 | /* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */ |
408 | void ev_timer_again (EV_P_ struct ev_timer *w); |
721 | void ev_timer_again (EV_P_ ev_timer *w); |
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722 | /* return remaining time */ |
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723 | ev_tstamp ev_timer_remaining (EV_P_ ev_timer *w); |
409 | |
724 | |
410 | #if EV_PERIODICS |
725 | #if EV_PERIODIC_ENABLE |
411 | void ev_periodic_start (EV_P_ struct ev_periodic *w); |
726 | void ev_periodic_start (EV_P_ ev_periodic *w); |
412 | void ev_periodic_stop (EV_P_ struct ev_periodic *w); |
727 | void ev_periodic_stop (EV_P_ ev_periodic *w); |
413 | void ev_periodic_again (EV_P_ struct ev_periodic *w); |
728 | void ev_periodic_again (EV_P_ ev_periodic *w); |
414 | #endif |
729 | #endif |
415 | |
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416 | void ev_idle_start (EV_P_ struct ev_idle *w); |
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417 | void ev_idle_stop (EV_P_ struct ev_idle *w); |
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418 | |
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419 | void ev_prepare_start (EV_P_ struct ev_prepare *w); |
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420 | void ev_prepare_stop (EV_P_ struct ev_prepare *w); |
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421 | |
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422 | void ev_check_start (EV_P_ struct ev_check *w); |
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423 | void ev_check_stop (EV_P_ struct ev_check *w); |
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424 | |
730 | |
425 | /* only supported in the default loop */ |
731 | /* only supported in the default loop */ |
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732 | #if EV_SIGNAL_ENABLE |
426 | void ev_signal_start (EV_P_ struct ev_signal *w); |
733 | void ev_signal_start (EV_P_ ev_signal *w); |
427 | void ev_signal_stop (EV_P_ struct ev_signal *w); |
734 | void ev_signal_stop (EV_P_ ev_signal *w); |
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735 | #endif |
428 | |
736 | |
429 | /* only supported in the default loop */ |
737 | /* only supported in the default loop */ |
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738 | # if EV_CHILD_ENABLE |
430 | void ev_child_start (EV_P_ struct ev_child *w); |
739 | void ev_child_start (EV_P_ ev_child *w); |
431 | void ev_child_stop (EV_P_ struct ev_child *w); |
740 | void ev_child_stop (EV_P_ ev_child *w); |
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741 | # endif |
432 | |
742 | |
433 | # if EV_MULTIPLICITY |
743 | # if EV_STAT_ENABLE |
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744 | void ev_stat_start (EV_P_ ev_stat *w); |
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745 | void ev_stat_stop (EV_P_ ev_stat *w); |
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746 | void ev_stat_stat (EV_P_ ev_stat *w); |
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747 | # endif |
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748 | |
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749 | # if EV_IDLE_ENABLE |
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750 | void ev_idle_start (EV_P_ ev_idle *w); |
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751 | void ev_idle_stop (EV_P_ ev_idle *w); |
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752 | # endif |
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753 | |
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754 | #if EV_PREPARE_ENABLE |
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755 | void ev_prepare_start (EV_P_ ev_prepare *w); |
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756 | void ev_prepare_stop (EV_P_ ev_prepare *w); |
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757 | #endif |
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758 | |
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759 | #if EV_CHECK_ENABLE |
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760 | void ev_check_start (EV_P_ ev_check *w); |
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761 | void ev_check_stop (EV_P_ ev_check *w); |
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762 | #endif |
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763 | |
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764 | # if EV_FORK_ENABLE |
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765 | void ev_fork_start (EV_P_ ev_fork *w); |
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766 | void ev_fork_stop (EV_P_ ev_fork *w); |
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767 | # endif |
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768 | |
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769 | # if EV_EMBED_ENABLE |
434 | /* only supported when loop to be embedded is in fact embeddable */ |
770 | /* only supported when loop to be embedded is in fact embeddable */ |
435 | void ev_embed_start (EV_P_ struct ev_embed *w); |
771 | void ev_embed_start (EV_P_ ev_embed *w); |
436 | void ev_embed_stop (EV_P_ struct ev_embed *w); |
772 | void ev_embed_stop (EV_P_ ev_embed *w); |
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773 | void ev_embed_sweep (EV_P_ ev_embed *w); |
437 | # endif |
774 | # endif |
438 | |
775 | |
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776 | # if EV_ASYNC_ENABLE |
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777 | void ev_async_start (EV_P_ ev_async *w); |
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778 | void ev_async_stop (EV_P_ ev_async *w); |
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779 | void ev_async_send (EV_P_ ev_async *w); |
439 | #endif |
780 | # endif |
440 | |
781 | |
441 | #ifdef __cplusplus |
782 | #if EV_COMPAT3 |
442 | } |
783 | #define EVLOOP_NONBLOCK EVRUN_NOWAIT |
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784 | #define EVLOOP_ONESHOT EVRUN_ONCE |
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785 | #define EVUNLOOP_CANCEL EVBREAK_CANCEL |
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786 | #define EVUNLOOP_ONE EVBREAK_ONE |
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787 | #define EVUNLOOP_ALL EVBREAK_ALL |
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788 | #if EV_PROTOTYPES |
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789 | EV_INLINE void ev_loop (EV_P_ int flags) { ev_run (EV_A_ flags); } |
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790 | EV_INLINE void ev_unloop (EV_P_ int how ) { ev_break (EV_A_ how ); } |
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791 | #if EV_FEATURE_API |
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792 | EV_INLINE void ev_loop_count (EV_P) { ev_iteration (EV_A); } |
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793 | EV_INLINE void ev_loop_depth (EV_P) { ev_depth (EV_A); } |
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794 | EV_INLINE void ev_loop_verify (EV_P) { ev_verify (EV_A); } |
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795 | #endif |
443 | #endif |
796 | #endif |
444 | |
797 | #else |
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798 | typedef struct ev_loop ev_loop; |
445 | #endif |
799 | #endif |
446 | |
800 | |
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801 | #endif |
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802 | |
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803 | EV_CPP(}) |
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804 | |
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805 | #endif |
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806 | |