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1 | /* |
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2 | * libev native API header |
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3 | * |
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4 | * Copyright (c) 2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann <libev@schmorp.de> |
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5 | * All rights reserved. |
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6 | * |
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7 | * Redistribution and use in source and binary forms, with or without modifica- |
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8 | * tion, are permitted provided that the following conditions are met: |
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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. |
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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. |
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38 | */ |
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39 | |
1 | #ifndef EV_H |
40 | #ifndef EV_H_ |
2 | #define EV_H |
41 | #define EV_H_ |
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42 | |
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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 | |
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49 | #define EV_THROW EV_CPP(throw()) |
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50 | |
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51 | EV_CPP(extern "C" {) |
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52 | |
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53 | /*****************************************************************************/ |
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54 | |
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55 | /* pre-4.0 compatibility */ |
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56 | #ifndef EV_COMPAT3 |
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57 | # define EV_COMPAT3 1 |
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58 | #endif |
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59 | |
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60 | #ifndef EV_FEATURES |
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61 | # if defined __OPTIMIZE_SIZE__ |
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62 | # define EV_FEATURES 0x7c |
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63 | # else |
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64 | # define EV_FEATURES 0x7f |
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65 | # endif |
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66 | #endif |
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67 | |
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68 | #define EV_FEATURE_CODE ((EV_FEATURES) & 1) |
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69 | #define EV_FEATURE_DATA ((EV_FEATURES) & 2) |
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70 | #define EV_FEATURE_CONFIG ((EV_FEATURES) & 4) |
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71 | #define EV_FEATURE_API ((EV_FEATURES) & 8) |
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72 | #define EV_FEATURE_WATCHERS ((EV_FEATURES) & 16) |
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73 | #define EV_FEATURE_BACKENDS ((EV_FEATURES) & 32) |
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74 | #define EV_FEATURE_OS ((EV_FEATURES) & 64) |
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75 | |
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76 | /* these priorities are inclusive, higher priorities will be invoked earlier */ |
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77 | #ifndef EV_MINPRI |
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78 | # define EV_MINPRI (EV_FEATURE_CONFIG ? -2 : 0) |
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79 | #endif |
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80 | #ifndef EV_MAXPRI |
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81 | # define EV_MAXPRI (EV_FEATURE_CONFIG ? +2 : 0) |
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82 | #endif |
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83 | |
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84 | #ifndef EV_MULTIPLICITY |
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85 | # define EV_MULTIPLICITY EV_FEATURE_CONFIG |
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86 | #endif |
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87 | |
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88 | #ifndef EV_PERIODIC_ENABLE |
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89 | # define EV_PERIODIC_ENABLE EV_FEATURE_WATCHERS |
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90 | #endif |
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91 | |
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92 | #ifndef EV_STAT_ENABLE |
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93 | # define EV_STAT_ENABLE EV_FEATURE_WATCHERS |
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94 | #endif |
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95 | |
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96 | #ifndef EV_PREPARE_ENABLE |
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97 | # define EV_PREPARE_ENABLE EV_FEATURE_WATCHERS |
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98 | #endif |
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99 | |
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100 | #ifndef EV_CHECK_ENABLE |
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101 | # define EV_CHECK_ENABLE EV_FEATURE_WATCHERS |
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102 | #endif |
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103 | |
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104 | #ifndef EV_IDLE_ENABLE |
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105 | # define EV_IDLE_ENABLE EV_FEATURE_WATCHERS |
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106 | #endif |
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107 | |
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108 | #ifndef EV_FORK_ENABLE |
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109 | # define EV_FORK_ENABLE EV_FEATURE_WATCHERS |
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110 | #endif |
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111 | |
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112 | #ifndef EV_CLEANUP_ENABLE |
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113 | # define EV_CLEANUP_ENABLE EV_FEATURE_WATCHERS |
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114 | #endif |
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115 | |
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116 | #ifndef EV_SIGNAL_ENABLE |
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117 | # define EV_SIGNAL_ENABLE EV_FEATURE_WATCHERS |
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118 | #endif |
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119 | |
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120 | #ifndef EV_CHILD_ENABLE |
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121 | # ifdef _WIN32 |
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122 | # define EV_CHILD_ENABLE 0 |
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123 | # else |
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124 | # define EV_CHILD_ENABLE EV_FEATURE_WATCHERS |
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125 | #endif |
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126 | #endif |
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127 | |
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128 | #ifndef EV_ASYNC_ENABLE |
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129 | # define EV_ASYNC_ENABLE EV_FEATURE_WATCHERS |
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130 | #endif |
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131 | |
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132 | #ifndef EV_EMBED_ENABLE |
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133 | # define EV_EMBED_ENABLE EV_FEATURE_WATCHERS |
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134 | #endif |
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135 | |
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136 | #ifndef EV_WALK_ENABLE |
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137 | # define EV_WALK_ENABLE 0 /* not yet */ |
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138 | #endif |
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139 | |
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140 | /*****************************************************************************/ |
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141 | |
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142 | #if EV_CHILD_ENABLE && !EV_SIGNAL_ENABLE |
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143 | # undef EV_SIGNAL_ENABLE |
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144 | # define EV_SIGNAL_ENABLE 1 |
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145 | #endif |
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146 | |
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147 | /*****************************************************************************/ |
3 | |
148 | |
4 | typedef double ev_tstamp; |
149 | typedef double ev_tstamp; |
5 | |
150 | |
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151 | #ifndef EV_ATOMIC_T |
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152 | # include <signal.h> |
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153 | # define EV_ATOMIC_T sig_atomic_t volatile |
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154 | #endif |
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155 | |
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156 | #if EV_STAT_ENABLE |
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157 | # ifdef _WIN32 |
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158 | # include <time.h> |
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159 | # include <sys/types.h> |
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160 | # endif |
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161 | # include <sys/stat.h> |
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162 | #endif |
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163 | |
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164 | /* support multiple event loops? */ |
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165 | #if EV_MULTIPLICITY |
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166 | struct ev_loop; |
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167 | # define EV_P struct ev_loop *loop /* a loop as sole parameter in a declaration */ |
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168 | # define EV_P_ EV_P, /* a loop as first of multiple parameters */ |
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169 | # define EV_A loop /* a loop as sole argument to a function call */ |
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170 | # define EV_A_ EV_A, /* a loop as first of multiple arguments */ |
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171 | # define EV_DEFAULT_UC ev_default_loop_uc_ () /* the default loop, if initialised, as sole arg */ |
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172 | # define EV_DEFAULT_UC_ EV_DEFAULT_UC, /* the default loop as first of multiple arguments */ |
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173 | # define EV_DEFAULT ev_default_loop (0) /* the default loop as sole arg */ |
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174 | # define EV_DEFAULT_ EV_DEFAULT, /* the default loop as first of multiple arguments */ |
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175 | #else |
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176 | # define EV_P void |
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177 | # define EV_P_ |
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178 | # define EV_A |
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179 | # define EV_A_ |
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180 | # define EV_DEFAULT |
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181 | # define EV_DEFAULT_ |
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182 | # define EV_DEFAULT_UC |
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183 | # define EV_DEFAULT_UC_ |
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184 | # undef EV_EMBED_ENABLE |
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185 | #endif |
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186 | |
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187 | /* EV_INLINE is used for functions in header files */ |
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188 | #if __STDC_VERSION__ >= 199901L || __GNUC__ >= 3 |
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189 | # define EV_INLINE static inline |
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190 | #else |
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191 | # define EV_INLINE static |
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192 | #endif |
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193 | |
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194 | #ifdef EV_API_STATIC |
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195 | # define EV_API_DECL static |
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196 | #else |
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197 | # define EV_API_DECL extern |
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198 | #endif |
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199 | |
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200 | /* EV_PROTOTYPES can be used to switch of prototype declarations */ |
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201 | #ifndef EV_PROTOTYPES |
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202 | # define EV_PROTOTYPES 1 |
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203 | #endif |
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204 | |
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205 | /*****************************************************************************/ |
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206 | |
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207 | #define EV_VERSION_MAJOR 4 |
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208 | #define EV_VERSION_MINOR 18 |
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209 | |
6 | /* eventmask, revents, events... */ |
210 | /* eventmask, revents, events... */ |
7 | #define EV_UNDEF -1 /* guaranteed to be invalid */ |
211 | enum { |
8 | #define EV_NONE 0x00 |
212 | EV_UNDEF = (int)0xFFFFFFFF, /* guaranteed to be invalid */ |
9 | #define EV_READ 0x01 |
213 | EV_NONE = 0x00, /* no events */ |
10 | #define EV_WRITE 0x02 |
214 | EV_READ = 0x01, /* ev_io detected read will not block */ |
11 | #define EV_TIMEOUT 0x04 |
215 | EV_WRITE = 0x02, /* ev_io detected write will not block */ |
12 | #define EV_SIGNAL 0x08 |
216 | EV__IOFDSET = 0x80, /* internal use only */ |
13 | #define EV_IDLE 0x10 |
217 | EV_IO = EV_READ, /* alias for type-detection */ |
14 | #define EV_CHECK 0x20 |
218 | EV_TIMER = 0x00000100, /* timer timed out */ |
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219 | #if EV_COMPAT3 |
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220 | EV_TIMEOUT = EV_TIMER, /* pre 4.0 API compatibility */ |
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221 | #endif |
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222 | EV_PERIODIC = 0x00000200, /* periodic timer timed out */ |
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223 | EV_SIGNAL = 0x00000400, /* signal was received */ |
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224 | EV_CHILD = 0x00000800, /* child/pid had status change */ |
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225 | EV_STAT = 0x00001000, /* stat data changed */ |
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226 | EV_IDLE = 0x00002000, /* event loop is idling */ |
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227 | EV_PREPARE = 0x00004000, /* event loop about to poll */ |
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228 | EV_CHECK = 0x00008000, /* event loop finished poll */ |
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229 | EV_EMBED = 0x00010000, /* embedded event loop needs sweep */ |
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230 | EV_FORK = 0x00020000, /* event loop resumed in child */ |
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231 | EV_CLEANUP = 0x00040000, /* event loop resumed in child */ |
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232 | EV_ASYNC = 0x00080000, /* async intra-loop signal */ |
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233 | EV_CUSTOM = 0x01000000, /* for use by user code */ |
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234 | EV_ERROR = (int)0x80000000 /* sent when an error occurs */ |
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235 | }; |
15 | |
236 | |
16 | /* can be used to add custom fields to all watchers */ |
237 | /* can be used to add custom fields to all watchers, while losing binary compatibility */ |
17 | #ifndef EV_COMMON |
238 | #ifndef EV_COMMON |
18 | # define EV_COMMON void *data |
239 | # define EV_COMMON void *data; |
19 | #endif |
240 | #endif |
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241 | |
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242 | #ifndef EV_CB_DECLARE |
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243 | # define EV_CB_DECLARE(type) void (*cb)(EV_P_ struct type *w, int revents); |
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244 | #endif |
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245 | #ifndef EV_CB_INVOKE |
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246 | # define EV_CB_INVOKE(watcher,revents) (watcher)->cb (EV_A_ (watcher), (revents)) |
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247 | #endif |
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248 | |
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249 | /* not official, do not use */ |
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250 | #define EV_CB(type,name) void name (EV_P_ struct ev_ ## type *w, int revents) |
20 | |
251 | |
21 | /* |
252 | /* |
22 | * struct member types: |
253 | * struct member types: |
23 | * private: you can look at them, but not change them, and they might not mean anything to you. |
254 | * private: you may look at them, but not change them, |
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255 | * and they might not mean anything to you. |
24 | * ro: can be read anytime, but only changed when the watcher isn't active |
256 | * ro: can be read anytime, but only changed when the watcher isn't active. |
25 | * rw: can be read and modified anytime, even when the watcher is active |
257 | * rw: can be read and modified anytime, even when the watcher is active. |
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258 | * |
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259 | * some internal details that might be helpful for debugging: |
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260 | * |
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261 | * active is either 0, which means the watcher is not active, |
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262 | * or the array index of the watcher (periodics, timers) |
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263 | * or the array index + 1 (most other watchers) |
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264 | * or simply 1 for watchers that aren't in some array. |
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265 | * pending is either 0, in which case the watcher isn't, |
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266 | * or the array index + 1 in the pendings array. |
26 | */ |
267 | */ |
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268 | |
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269 | #if EV_MINPRI == EV_MAXPRI |
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270 | # define EV_DECL_PRIORITY |
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271 | #elif !defined (EV_DECL_PRIORITY) |
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272 | # define EV_DECL_PRIORITY int priority; |
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273 | #endif |
27 | |
274 | |
28 | /* shared by all watchers */ |
275 | /* shared by all watchers */ |
29 | #define EV_WATCHER(type) \ |
276 | #define EV_WATCHER(type) \ |
30 | int active; /* private */ \ |
277 | int active; /* private */ \ |
31 | int pending; /* private */ \ |
278 | int pending; /* private */ \ |
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279 | EV_DECL_PRIORITY /* private */ \ |
32 | EV_COMMON; /* rw */ \ |
280 | EV_COMMON /* rw */ \ |
33 | void (*cb)(struct type *, int revents); /* rw */ /* gets invoked with an eventmask */ |
281 | EV_CB_DECLARE (type) /* private */ |
34 | |
282 | |
35 | #define EV_WATCHER_LIST(type) \ |
283 | #define EV_WATCHER_LIST(type) \ |
36 | EV_WATCHER (type); \ |
284 | EV_WATCHER (type) \ |
37 | struct type *next /* private */ |
285 | struct ev_watcher_list *next; /* private */ |
38 | |
286 | |
39 | #define EV_WATCHER_TIME(type) \ |
287 | #define EV_WATCHER_TIME(type) \ |
40 | EV_WATCHER (type); \ |
288 | EV_WATCHER (type) \ |
41 | ev_tstamp at /* private */ |
289 | ev_tstamp at; /* private */ |
42 | |
290 | |
43 | /* base class, nothing to see here unless you subclass */ |
291 | /* base class, nothing to see here unless you subclass */ |
44 | struct ev_watcher { |
292 | typedef struct ev_watcher |
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293 | { |
45 | EV_WATCHER (ev_watcher); |
294 | EV_WATCHER (ev_watcher) |
46 | }; |
295 | } ev_watcher; |
47 | |
296 | |
48 | /* base class, nothing to see here unless you subclass */ |
297 | /* base class, nothing to see here unless you subclass */ |
49 | struct ev_watcher_list { |
298 | typedef struct ev_watcher_list |
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299 | { |
50 | EV_WATCHER_LIST (ev_watcher_list); |
300 | EV_WATCHER_LIST (ev_watcher_list) |
51 | }; |
301 | } ev_watcher_list; |
52 | |
302 | |
53 | /* base class, nothing to see here unless you subclass */ |
303 | /* base class, nothing to see here unless you subclass */ |
54 | struct ev_watcher_time { |
304 | typedef struct ev_watcher_time |
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305 | { |
55 | EV_WATCHER_TIME (ev_watcher_time); |
306 | EV_WATCHER_TIME (ev_watcher_time) |
56 | }; |
307 | } ev_watcher_time; |
57 | |
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58 | /* invoked after a specific time, repeatable (based on monotonic clock) */ |
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59 | struct ev_timer |
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60 | { |
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61 | EV_WATCHER_TIME (ev_timer); |
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62 | |
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63 | ev_tstamp repeat; /* rw */ |
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64 | }; |
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65 | |
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66 | /* invoked at some specific time, possibly repeating at regular intervals (based on UTC) */ |
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67 | struct ev_periodic |
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68 | { |
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69 | EV_WATCHER_TIME (ev_periodic); |
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70 | |
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71 | ev_tstamp interval; /* rw */ |
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72 | }; |
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73 | |
308 | |
74 | /* invoked when fd is either EV_READable or EV_WRITEable */ |
309 | /* invoked when fd is either EV_READable or EV_WRITEable */ |
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310 | /* revent EV_READ, EV_WRITE */ |
75 | struct ev_io |
311 | typedef struct ev_io |
76 | { |
312 | { |
77 | EV_WATCHER_LIST (ev_io); |
313 | EV_WATCHER_LIST (ev_io) |
78 | |
314 | |
79 | int fd; /* ro */ |
315 | int fd; /* ro */ |
80 | int events; /* ro */ |
316 | int events; /* ro */ |
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317 | } ev_io; |
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318 | |
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319 | /* invoked after a specific time, repeatable (based on monotonic clock) */ |
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320 | /* revent EV_TIMEOUT */ |
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321 | typedef struct ev_timer |
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322 | { |
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323 | EV_WATCHER_TIME (ev_timer) |
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324 | |
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325 | ev_tstamp repeat; /* rw */ |
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326 | } ev_timer; |
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327 | |
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328 | /* invoked at some specific time, possibly repeating at regular intervals (based on UTC) */ |
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329 | /* revent EV_PERIODIC */ |
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330 | typedef struct ev_periodic |
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331 | { |
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332 | EV_WATCHER_TIME (ev_periodic) |
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333 | |
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334 | ev_tstamp offset; /* rw */ |
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335 | ev_tstamp interval; /* rw */ |
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336 | ev_tstamp (*reschedule_cb)(struct ev_periodic *w, ev_tstamp now) EV_THROW; /* rw */ |
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337 | } ev_periodic; |
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338 | |
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339 | /* invoked when the given signal has been received */ |
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340 | /* revent EV_SIGNAL */ |
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341 | typedef struct ev_signal |
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342 | { |
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343 | EV_WATCHER_LIST (ev_signal) |
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344 | |
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345 | int signum; /* ro */ |
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346 | } ev_signal; |
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347 | |
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348 | /* invoked when sigchld is received and waitpid indicates the given pid */ |
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349 | /* revent EV_CHILD */ |
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350 | /* does not support priorities */ |
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351 | typedef struct ev_child |
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352 | { |
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353 | EV_WATCHER_LIST (ev_child) |
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354 | |
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355 | int flags; /* private */ |
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356 | int pid; /* ro */ |
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357 | int rpid; /* rw, holds the received pid */ |
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358 | int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */ |
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359 | } ev_child; |
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360 | |
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361 | #if EV_STAT_ENABLE |
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362 | /* st_nlink = 0 means missing file or other error */ |
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363 | # ifdef _WIN32 |
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364 | typedef struct _stati64 ev_statdata; |
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365 | # else |
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366 | typedef struct stat ev_statdata; |
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367 | # endif |
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368 | |
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369 | /* invoked each time the stat data changes for a given path */ |
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370 | /* revent EV_STAT */ |
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371 | typedef struct ev_stat |
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372 | { |
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373 | EV_WATCHER_LIST (ev_stat) |
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374 | |
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375 | ev_timer timer; /* private */ |
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376 | ev_tstamp interval; /* ro */ |
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377 | const char *path; /* ro */ |
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378 | ev_statdata prev; /* ro */ |
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379 | ev_statdata attr; /* ro */ |
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380 | |
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381 | int wd; /* wd for inotify, fd for kqueue */ |
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382 | } ev_stat; |
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383 | #endif |
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384 | |
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385 | #if EV_IDLE_ENABLE |
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386 | /* invoked when the nothing else needs to be done, keeps the process from blocking */ |
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387 | /* revent EV_IDLE */ |
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388 | typedef struct ev_idle |
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389 | { |
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390 | EV_WATCHER (ev_idle) |
|
|
391 | } ev_idle; |
|
|
392 | #endif |
|
|
393 | |
|
|
394 | /* invoked for each run of the mainloop, just before the blocking call */ |
|
|
395 | /* you can still change events in any way you like */ |
|
|
396 | /* revent EV_PREPARE */ |
|
|
397 | typedef struct ev_prepare |
|
|
398 | { |
|
|
399 | EV_WATCHER (ev_prepare) |
|
|
400 | } ev_prepare; |
|
|
401 | |
|
|
402 | /* invoked for each run of the mainloop, just after the blocking call */ |
|
|
403 | /* revent EV_CHECK */ |
|
|
404 | typedef struct ev_check |
|
|
405 | { |
|
|
406 | EV_WATCHER (ev_check) |
|
|
407 | } ev_check; |
|
|
408 | |
|
|
409 | #if EV_FORK_ENABLE |
|
|
410 | /* the callback gets invoked before check in the child process when a fork was detected */ |
|
|
411 | /* revent EV_FORK */ |
|
|
412 | typedef struct ev_fork |
|
|
413 | { |
|
|
414 | EV_WATCHER (ev_fork) |
|
|
415 | } ev_fork; |
|
|
416 | #endif |
|
|
417 | |
|
|
418 | #if EV_CLEANUP_ENABLE |
|
|
419 | /* is invoked just before the loop gets destroyed */ |
|
|
420 | /* revent EV_CLEANUP */ |
|
|
421 | typedef struct ev_cleanup |
|
|
422 | { |
|
|
423 | EV_WATCHER (ev_cleanup) |
|
|
424 | } ev_cleanup; |
|
|
425 | #endif |
|
|
426 | |
|
|
427 | #if EV_EMBED_ENABLE |
|
|
428 | /* used to embed an event loop inside another */ |
|
|
429 | /* the callback gets invoked when the event loop has handled events, and can be 0 */ |
|
|
430 | typedef struct ev_embed |
|
|
431 | { |
|
|
432 | EV_WATCHER (ev_embed) |
|
|
433 | |
|
|
434 | struct ev_loop *other; /* ro */ |
|
|
435 | ev_io io; /* private */ |
|
|
436 | ev_prepare prepare; /* private */ |
|
|
437 | ev_check check; /* unused */ |
|
|
438 | ev_timer timer; /* unused */ |
|
|
439 | ev_periodic periodic; /* unused */ |
|
|
440 | ev_idle idle; /* unused */ |
|
|
441 | ev_fork fork; /* private */ |
|
|
442 | #if EV_CLEANUP_ENABLE |
|
|
443 | ev_cleanup cleanup; /* unused */ |
|
|
444 | #endif |
|
|
445 | } ev_embed; |
|
|
446 | #endif |
|
|
447 | |
|
|
448 | #if EV_ASYNC_ENABLE |
|
|
449 | /* invoked when somebody calls ev_async_send on the watcher */ |
|
|
450 | /* revent EV_ASYNC */ |
|
|
451 | typedef struct ev_async |
|
|
452 | { |
|
|
453 | EV_WATCHER (ev_async) |
|
|
454 | |
|
|
455 | EV_ATOMIC_T sent; /* private */ |
|
|
456 | } ev_async; |
|
|
457 | |
|
|
458 | # define ev_async_pending(w) (+(w)->sent) |
|
|
459 | #endif |
|
|
460 | |
|
|
461 | /* the presence of this union forces similar struct layout */ |
|
|
462 | union ev_any_watcher |
|
|
463 | { |
|
|
464 | struct ev_watcher w; |
|
|
465 | struct ev_watcher_list wl; |
|
|
466 | |
|
|
467 | struct ev_io io; |
|
|
468 | struct ev_timer timer; |
|
|
469 | struct ev_periodic periodic; |
|
|
470 | struct ev_signal signal; |
|
|
471 | struct ev_child child; |
|
|
472 | #if EV_STAT_ENABLE |
|
|
473 | struct ev_stat stat; |
|
|
474 | #endif |
|
|
475 | #if EV_IDLE_ENABLE |
|
|
476 | struct ev_idle idle; |
|
|
477 | #endif |
|
|
478 | struct ev_prepare prepare; |
|
|
479 | struct ev_check check; |
|
|
480 | #if EV_FORK_ENABLE |
|
|
481 | struct ev_fork fork; |
|
|
482 | #endif |
|
|
483 | #if EV_CLEANUP_ENABLE |
|
|
484 | struct ev_cleanup cleanup; |
|
|
485 | #endif |
|
|
486 | #if EV_EMBED_ENABLE |
|
|
487 | struct ev_embed embed; |
|
|
488 | #endif |
|
|
489 | #if EV_ASYNC_ENABLE |
|
|
490 | struct ev_async async; |
|
|
491 | #endif |
81 | }; |
492 | }; |
82 | |
493 | |
83 | /* invoked when the given signal has been received */ |
494 | /* flag bits for ev_default_loop and ev_loop_new */ |
84 | struct ev_signal |
495 | enum { |
85 | { |
496 | /* the default */ |
86 | EV_WATCHER_LIST (ev_signal); |
497 | EVFLAG_AUTO = 0x00000000U, /* not quite a mask */ |
87 | |
498 | /* flag bits */ |
88 | int signum; /* ro */ |
499 | EVFLAG_NOENV = 0x01000000U, /* do NOT consult environment */ |
|
|
500 | EVFLAG_FORKCHECK = 0x02000000U, /* check for a fork in each iteration */ |
|
|
501 | /* debugging/feature disable */ |
|
|
502 | EVFLAG_NOINOTIFY = 0x00100000U, /* do not attempt to use inotify */ |
|
|
503 | #if EV_COMPAT3 |
|
|
504 | EVFLAG_NOSIGFD = 0, /* compatibility to pre-3.9 */ |
|
|
505 | #endif |
|
|
506 | EVFLAG_SIGNALFD = 0x00200000U, /* attempt to use signalfd */ |
|
|
507 | EVFLAG_NOSIGMASK = 0x00400000U /* avoid modifying the signal mask */ |
89 | }; |
508 | }; |
90 | |
509 | |
91 | /* invoked when the nothing else needs to be done, keeps the process from blocking */ |
510 | /* method bits to be ored together */ |
92 | struct ev_idle |
511 | enum { |
93 | { |
512 | EVBACKEND_SELECT = 0x00000001U, /* about anywhere */ |
94 | EV_WATCHER (ev_idle); |
513 | EVBACKEND_POLL = 0x00000002U, /* !win */ |
|
|
514 | EVBACKEND_EPOLL = 0x00000004U, /* linux */ |
|
|
515 | EVBACKEND_KQUEUE = 0x00000008U, /* bsd */ |
|
|
516 | EVBACKEND_DEVPOLL = 0x00000010U, /* solaris 8 */ /* NYI */ |
|
|
517 | EVBACKEND_PORT = 0x00000020U, /* solaris 10 */ |
|
|
518 | EVBACKEND_ALL = 0x0000003FU, /* all known backends */ |
|
|
519 | EVBACKEND_MASK = 0x0000FFFFU /* all future backends */ |
95 | }; |
520 | }; |
96 | |
521 | |
97 | /* invoked for each run of the mainloop, just before the next blocking vall is initiated */ |
522 | #if EV_PROTOTYPES |
98 | struct ev_check |
523 | EV_API_DECL int ev_version_major (void) EV_THROW; |
|
|
524 | EV_API_DECL int ev_version_minor (void) EV_THROW; |
|
|
525 | |
|
|
526 | EV_API_DECL unsigned int ev_supported_backends (void) EV_THROW; |
|
|
527 | EV_API_DECL unsigned int ev_recommended_backends (void) EV_THROW; |
|
|
528 | EV_API_DECL unsigned int ev_embeddable_backends (void) EV_THROW; |
|
|
529 | |
|
|
530 | EV_API_DECL ev_tstamp ev_time (void) EV_THROW; |
|
|
531 | EV_API_DECL void ev_sleep (ev_tstamp delay) EV_THROW; /* sleep for a while */ |
|
|
532 | |
|
|
533 | /* Sets the allocation function to use, works like realloc. |
|
|
534 | * It is used to allocate and free memory. |
|
|
535 | * If it returns zero when memory needs to be allocated, the library might abort |
|
|
536 | * or take some potentially destructive action. |
|
|
537 | * The default is your system realloc function. |
|
|
538 | */ |
|
|
539 | EV_API_DECL void ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW; |
|
|
540 | |
|
|
541 | /* set the callback function to call on a |
|
|
542 | * retryable syscall error |
|
|
543 | * (such as failed select, poll, epoll_wait) |
|
|
544 | */ |
|
|
545 | EV_API_DECL void ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW; |
|
|
546 | |
|
|
547 | #if EV_MULTIPLICITY |
|
|
548 | |
|
|
549 | /* the default loop is the only one that handles signals and child watchers */ |
|
|
550 | /* you can call this as often as you like */ |
|
|
551 | EV_API_DECL struct ev_loop *ev_default_loop (unsigned int flags EV_CPP (= 0)) EV_THROW; |
|
|
552 | |
|
|
553 | #ifdef EV_API_STATIC |
|
|
554 | EV_API_DECL struct ev_loop *ev_default_loop_ptr; |
|
|
555 | #endif |
|
|
556 | |
|
|
557 | EV_INLINE struct ev_loop * |
|
|
558 | ev_default_loop_uc_ (void) EV_THROW |
99 | { |
559 | { |
100 | EV_WATCHER (ev_check); |
560 | extern struct ev_loop *ev_default_loop_ptr; |
|
|
561 | |
|
|
562 | return ev_default_loop_ptr; |
|
|
563 | } |
|
|
564 | |
|
|
565 | EV_INLINE int |
|
|
566 | ev_is_default_loop (EV_P) EV_THROW |
|
|
567 | { |
|
|
568 | return EV_A == EV_DEFAULT_UC; |
|
|
569 | } |
|
|
570 | |
|
|
571 | /* create and destroy alternative loops that don't handle signals */ |
|
|
572 | EV_API_DECL struct ev_loop *ev_loop_new (unsigned int flags EV_CPP (= 0)) EV_THROW; |
|
|
573 | |
|
|
574 | EV_API_DECL ev_tstamp ev_now (EV_P) EV_THROW; /* time w.r.t. timers and the eventloop, updated after each poll */ |
|
|
575 | |
|
|
576 | #else |
|
|
577 | |
|
|
578 | EV_API_DECL int ev_default_loop (unsigned int flags EV_CPP (= 0)) EV_THROW; /* returns true when successful */ |
|
|
579 | |
|
|
580 | EV_API_DECL ev_tstamp ev_rt_now; |
|
|
581 | |
|
|
582 | EV_INLINE ev_tstamp |
|
|
583 | ev_now (void) EV_THROW |
|
|
584 | { |
|
|
585 | return ev_rt_now; |
|
|
586 | } |
|
|
587 | |
|
|
588 | /* looks weird, but ev_is_default_loop (EV_A) still works if this exists */ |
|
|
589 | EV_INLINE int |
|
|
590 | ev_is_default_loop (void) EV_THROW |
|
|
591 | { |
|
|
592 | return 1; |
|
|
593 | } |
|
|
594 | |
|
|
595 | #endif /* multiplicity */ |
|
|
596 | |
|
|
597 | /* destroy event loops, also works for the default loop */ |
|
|
598 | EV_API_DECL void ev_loop_destroy (EV_P); |
|
|
599 | |
|
|
600 | /* this needs to be called after fork, to duplicate the loop */ |
|
|
601 | /* when you want to re-use it in the child */ |
|
|
602 | /* you can call it in either the parent or the child */ |
|
|
603 | /* you can actually call it at any time, anywhere :) */ |
|
|
604 | EV_API_DECL void ev_loop_fork (EV_P) EV_THROW; |
|
|
605 | |
|
|
606 | EV_API_DECL unsigned int ev_backend (EV_P) EV_THROW; /* backend in use by loop */ |
|
|
607 | |
|
|
608 | EV_API_DECL void ev_now_update (EV_P) EV_THROW; /* update event loop time */ |
|
|
609 | |
|
|
610 | #if EV_WALK_ENABLE |
|
|
611 | /* walk (almost) all watchers in the loop of a given type, invoking the */ |
|
|
612 | /* callback on every such watcher. The callback might stop the watcher, */ |
|
|
613 | /* but do nothing else with the loop */ |
|
|
614 | EV_API_DECL void ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW; |
|
|
615 | #endif |
|
|
616 | |
|
|
617 | #endif /* prototypes */ |
|
|
618 | |
|
|
619 | /* ev_run flags values */ |
|
|
620 | enum { |
|
|
621 | EVRUN_NOWAIT = 1, /* do not block/wait */ |
|
|
622 | EVRUN_ONCE = 2 /* block *once* only */ |
101 | }; |
623 | }; |
102 | |
624 | |
103 | #define EVMETHOD_NONE 0 |
625 | /* ev_break how values */ |
104 | #define EVMETHOD_SELECT 1 |
626 | enum { |
105 | #define EVMETHOD_EPOLL 2 |
627 | EVBREAK_CANCEL = 0, /* undo unloop */ |
106 | int ev_init (int flags); /* returns ev_method */ |
628 | EVBREAK_ONE = 1, /* unloop once */ |
107 | extern int ev_method; |
629 | EVBREAK_ALL = 2 /* unloop all loops */ |
|
|
630 | }; |
108 | |
631 | |
109 | /* these three calls are suitable for plugging into pthread_atfork */ |
632 | #if EV_PROTOTYPES |
110 | void ev_prefork (void); |
633 | EV_API_DECL int ev_run (EV_P_ int flags EV_CPP (= 0)); |
111 | void ev_postfork_parent (void); |
634 | EV_API_DECL void ev_break (EV_P_ int how EV_CPP (= EVBREAK_ONE)) EV_THROW; /* break out of the loop */ |
112 | void ev_postfork_child (void); |
|
|
113 | |
635 | |
114 | extern ev_tstamp ev_now; /* time w.r.t. timers and the eventloop, updated after each poll */ |
636 | /* |
115 | ev_tstamp ev_time (void); |
637 | * ref/unref can be used to add or remove a refcount on the mainloop. every watcher |
|
|
638 | * keeps one reference. if you have a long-running watcher you never unregister that |
|
|
639 | * should not keep ev_loop from running, unref() after starting, and ref() before stopping. |
|
|
640 | */ |
|
|
641 | EV_API_DECL void ev_ref (EV_P) EV_THROW; |
|
|
642 | EV_API_DECL void ev_unref (EV_P) EV_THROW; |
116 | |
643 | |
117 | #define EVLOOP_NONBLOCK 1 /* do not block/wait */ |
644 | /* |
118 | #define EVLOOP_ONESHOT 2 /* block *once* only */ |
645 | * convenience function, wait for a single event, without registering an event watcher |
119 | void ev_loop (int flags); |
646 | * if timeout is < 0, do wait indefinitely |
120 | extern int ev_loop_done; /* set to 1 to break out of event loop, set to 2 to break out of all event loops */ |
647 | */ |
|
|
648 | EV_API_DECL void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW; |
|
|
649 | |
|
|
650 | # if EV_FEATURE_API |
|
|
651 | EV_API_DECL unsigned int ev_iteration (EV_P) EV_THROW; /* number of loop iterations */ |
|
|
652 | EV_API_DECL unsigned int ev_depth (EV_P) EV_THROW; /* #ev_loop enters - #ev_loop leaves */ |
|
|
653 | EV_API_DECL void ev_verify (EV_P) EV_THROW; /* abort if loop data corrupted */ |
|
|
654 | |
|
|
655 | EV_API_DECL void ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW; /* sleep at least this time, default 0 */ |
|
|
656 | EV_API_DECL void ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW; /* sleep at least this time, default 0 */ |
|
|
657 | |
|
|
658 | /* advanced stuff for threading etc. support, see docs */ |
|
|
659 | EV_API_DECL void ev_set_userdata (EV_P_ void *data) EV_THROW; |
|
|
660 | EV_API_DECL void *ev_userdata (EV_P) EV_THROW; |
|
|
661 | typedef void (*ev_loop_callback)(EV_P); |
|
|
662 | EV_API_DECL void ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_THROW; |
|
|
663 | EV_API_DECL void ev_set_loop_release_cb (EV_P_ ev_loop_callback EV_THROW release, ev_loop_callback EV_THROW acquire) EV_THROW; |
|
|
664 | |
|
|
665 | EV_API_DECL unsigned int ev_pending_count (EV_P) EV_THROW; /* number of pending events, if any */ |
|
|
666 | EV_API_DECL void ev_invoke_pending (EV_P); /* invoke all pending watchers */ |
|
|
667 | |
|
|
668 | /* |
|
|
669 | * stop/start the timer handling. |
|
|
670 | */ |
|
|
671 | EV_API_DECL void ev_suspend (EV_P) EV_THROW; |
|
|
672 | EV_API_DECL void ev_resume (EV_P) EV_THROW; |
|
|
673 | #endif |
|
|
674 | |
|
|
675 | #endif |
121 | |
676 | |
122 | /* these may evaluate ev multiple times, and the other arguments at most once */ |
677 | /* these may evaluate ev multiple times, and the other arguments at most once */ |
123 | /* either use evw_init + evXXX_set, or the evXXX_init macro, below, to first initialise a watcher */ |
678 | /* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */ |
124 | #define evw_init(ev,cb_) do { (ev)->active = 0; (ev)->cb = (cb_); } while (0) |
679 | #define ev_init(ev,cb_) do { \ |
|
|
680 | ((ev_watcher *)(void *)(ev))->active = \ |
|
|
681 | ((ev_watcher *)(void *)(ev))->pending = 0; \ |
|
|
682 | ev_set_priority ((ev), 0); \ |
|
|
683 | ev_set_cb ((ev), cb_); \ |
|
|
684 | } while (0) |
125 | |
685 | |
126 | #define evio_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_); } while (0) |
686 | #define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_) | EV__IOFDSET; } while (0) |
127 | #define evtimer_set(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); } while (0) |
687 | #define ev_timer_set(ev,after_,repeat_) do { ((ev_watcher_time *)(ev))->at = (after_); (ev)->repeat = (repeat_); } while (0) |
128 | #define evperiodic_set(ev,at_,interval_) do { (ev)->at = (at_); (ev)->interval = (interval_); } while (0) |
688 | #define ev_periodic_set(ev,ofs_,ival_,rcb_) do { (ev)->offset = (ofs_); (ev)->interval = (ival_); (ev)->reschedule_cb = (rcb_); } while (0) |
129 | #define evsignal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0) |
689 | #define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0) |
130 | #define evcheck_set(ev) /* nop, yes this is a serious in-joke */ |
690 | #define ev_child_set(ev,pid_,trace_) do { (ev)->pid = (pid_); (ev)->flags = !!(trace_); } while (0) |
|
|
691 | #define ev_stat_set(ev,path_,interval_) do { (ev)->path = (path_); (ev)->interval = (interval_); (ev)->wd = -2; } while (0) |
131 | #define evidle_set(ev) /* nop, yes this is a serious in-joke */ |
692 | #define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */ |
|
|
693 | #define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */ |
|
|
694 | #define ev_check_set(ev) /* nop, yes, this is a serious in-joke */ |
|
|
695 | #define ev_embed_set(ev,other_) do { (ev)->other = (other_); } while (0) |
|
|
696 | #define ev_fork_set(ev) /* nop, yes, this is a serious in-joke */ |
|
|
697 | #define ev_cleanup_set(ev) /* nop, yes, this is a serious in-joke */ |
|
|
698 | #define ev_async_set(ev) /* nop, yes, this is a serious in-joke */ |
132 | |
699 | |
133 | #define evio_init(ev,cb,fd,events) do { evw_init ((ev), (cb)); evio_set ((ev),(fd),(events)); } while (0) |
700 | #define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0) |
134 | #define evtimer_init(ev,cb,after,repeat) do { evw_init ((ev), (cb)); evtimer_set ((ev),(after),(repeat)); } while (0) |
701 | #define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0) |
135 | #define evperiodic_init(ev,cb,at,interval) do { evw_init ((ev), (cb)); evperiodic_set ((ev),(at),(interval)); } while (0) |
702 | #define ev_periodic_init(ev,cb,ofs,ival,rcb) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(ofs),(ival),(rcb)); } while (0) |
136 | #define evsignal_init(ev,cb,signum) do { evw_init ((ev), (cb)); evsignal_set ((ev), (signum)); } while (0) |
703 | #define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0) |
|
|
704 | #define ev_child_init(ev,cb,pid,trace) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid),(trace)); } while (0) |
|
|
705 | #define ev_stat_init(ev,cb,path,interval) do { ev_init ((ev), (cb)); ev_stat_set ((ev),(path),(interval)); } while (0) |
|
|
706 | #define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0) |
|
|
707 | #define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0) |
137 | #define evcheck_init(ev,cb) do { evw_init ((ev), (cb)); evcheck_set ((ev)); } while (0) |
708 | #define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0) |
|
|
709 | #define ev_embed_init(ev,cb,other) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(other)); } while (0) |
|
|
710 | #define ev_fork_init(ev,cb) do { ev_init ((ev), (cb)); ev_fork_set ((ev)); } while (0) |
138 | #define evidle_init(ev,cb) do { evw_init ((ev), (cb)); evidle_set ((ev)); } while (0) |
711 | #define ev_cleanup_init(ev,cb) do { ev_init ((ev), (cb)); ev_cleanup_set ((ev)); } while (0) |
|
|
712 | #define ev_async_init(ev,cb) do { ev_init ((ev), (cb)); ev_async_set ((ev)); } while (0) |
139 | |
713 | |
|
|
714 | #define ev_is_pending(ev) (0 + ((ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */ |
140 | #define ev_is_active(ev) (0 + (ev)->active) /* true when the watcher has been started */ |
715 | #define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */ |
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716 | |
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717 | #define ev_cb(ev) (ev)->cb /* rw */ |
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718 | |
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719 | #if EV_MINPRI == EV_MAXPRI |
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720 | # define ev_priority(ev) ((ev), EV_MINPRI) |
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721 | # define ev_set_priority(ev,pri) ((ev), (pri)) |
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722 | #else |
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723 | # define ev_priority(ev) (+(((ev_watcher *)(void *)(ev))->priority)) |
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724 | # define ev_set_priority(ev,pri) ( (ev_watcher *)(void *)(ev))->priority = (pri) |
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725 | #endif |
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726 | |
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727 | #define ev_periodic_at(ev) (+((ev_watcher_time *)(ev))->at) |
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728 | |
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729 | #ifndef ev_set_cb |
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730 | # define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_) |
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731 | #endif |
141 | |
732 | |
142 | /* stopping (enabling, adding) a watcher does nothing if it is already running */ |
733 | /* stopping (enabling, adding) a watcher does nothing if it is already running */ |
143 | /* stopping (disabling, deleting) a watcher does nothing unless its already running */ |
734 | /* stopping (disabling, deleting) a watcher does nothing unless it's already running */ |
144 | void evio_start (struct ev_io *w); |
735 | #if EV_PROTOTYPES |
145 | void evio_stop (struct ev_io *w); |
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146 | |
736 | |
147 | void evtimer_start (struct ev_timer *w); |
737 | /* feeds an event into a watcher as if the event actually occurred */ |
148 | void evtimer_stop (struct ev_timer *w); |
738 | /* accepts any ev_watcher type */ |
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739 | EV_API_DECL void ev_feed_event (EV_P_ void *w, int revents) EV_THROW; |
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740 | EV_API_DECL void ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW; |
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741 | #if EV_SIGNAL_ENABLE |
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742 | EV_API_DECL void ev_feed_signal (int signum) EV_THROW; |
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743 | EV_API_DECL void ev_feed_signal_event (EV_P_ int signum) EV_THROW; |
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744 | #endif |
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745 | EV_API_DECL void ev_invoke (EV_P_ void *w, int revents); |
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746 | EV_API_DECL int ev_clear_pending (EV_P_ void *w) EV_THROW; |
149 | |
747 | |
150 | void evperiodic_start (struct ev_periodic *w); |
748 | EV_API_DECL void ev_io_start (EV_P_ ev_io *w) EV_THROW; |
151 | void evperiodic_stop (struct ev_periodic *w); |
749 | EV_API_DECL void ev_io_stop (EV_P_ ev_io *w) EV_THROW; |
152 | |
750 | |
153 | void evsignal_start (struct ev_signal *w); |
751 | EV_API_DECL void ev_timer_start (EV_P_ ev_timer *w) EV_THROW; |
154 | void evsignal_stop (struct ev_signal *w); |
752 | EV_API_DECL void ev_timer_stop (EV_P_ ev_timer *w) EV_THROW; |
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753 | /* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */ |
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754 | EV_API_DECL void ev_timer_again (EV_P_ ev_timer *w) EV_THROW; |
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755 | /* return remaining time */ |
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756 | EV_API_DECL ev_tstamp ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW; |
155 | |
757 | |
156 | void evidle_start (struct ev_idle *w); |
758 | #if EV_PERIODIC_ENABLE |
157 | void evidle_stop (struct ev_idle *w); |
759 | EV_API_DECL void ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW; |
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760 | EV_API_DECL void ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW; |
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761 | EV_API_DECL void ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW; |
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762 | #endif |
158 | |
763 | |
159 | void evcheck_start (struct ev_check *w); |
764 | /* only supported in the default loop */ |
160 | void evcheck_stop (struct ev_check *w); |
765 | #if EV_SIGNAL_ENABLE |
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766 | EV_API_DECL void ev_signal_start (EV_P_ ev_signal *w) EV_THROW; |
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767 | EV_API_DECL void ev_signal_stop (EV_P_ ev_signal *w) EV_THROW; |
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768 | #endif |
161 | |
769 | |
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770 | /* only supported in the default loop */ |
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771 | # if EV_CHILD_ENABLE |
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772 | EV_API_DECL void ev_child_start (EV_P_ ev_child *w) EV_THROW; |
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773 | EV_API_DECL void ev_child_stop (EV_P_ ev_child *w) EV_THROW; |
162 | #endif |
774 | # endif |
163 | |
775 | |
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776 | # if EV_STAT_ENABLE |
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777 | EV_API_DECL void ev_stat_start (EV_P_ ev_stat *w) EV_THROW; |
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778 | EV_API_DECL void ev_stat_stop (EV_P_ ev_stat *w) EV_THROW; |
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779 | EV_API_DECL void ev_stat_stat (EV_P_ ev_stat *w) EV_THROW; |
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780 | # endif |
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781 | |
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782 | # if EV_IDLE_ENABLE |
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783 | EV_API_DECL void ev_idle_start (EV_P_ ev_idle *w) EV_THROW; |
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784 | EV_API_DECL void ev_idle_stop (EV_P_ ev_idle *w) EV_THROW; |
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785 | # endif |
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786 | |
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787 | #if EV_PREPARE_ENABLE |
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788 | EV_API_DECL void ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW; |
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789 | EV_API_DECL void ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW; |
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790 | #endif |
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791 | |
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792 | #if EV_CHECK_ENABLE |
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793 | EV_API_DECL void ev_check_start (EV_P_ ev_check *w) EV_THROW; |
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794 | EV_API_DECL void ev_check_stop (EV_P_ ev_check *w) EV_THROW; |
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795 | #endif |
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796 | |
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797 | # if EV_FORK_ENABLE |
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798 | EV_API_DECL void ev_fork_start (EV_P_ ev_fork *w) EV_THROW; |
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799 | EV_API_DECL void ev_fork_stop (EV_P_ ev_fork *w) EV_THROW; |
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800 | # endif |
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801 | |
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|
802 | # if EV_CLEANUP_ENABLE |
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|
803 | EV_API_DECL void ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW; |
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|
804 | EV_API_DECL void ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW; |
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805 | # endif |
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806 | |
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807 | # if EV_EMBED_ENABLE |
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|
808 | /* only supported when loop to be embedded is in fact embeddable */ |
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809 | EV_API_DECL void ev_embed_start (EV_P_ ev_embed *w) EV_THROW; |
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810 | EV_API_DECL void ev_embed_stop (EV_P_ ev_embed *w) EV_THROW; |
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811 | EV_API_DECL void ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW; |
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812 | # endif |
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813 | |
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814 | # if EV_ASYNC_ENABLE |
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815 | EV_API_DECL void ev_async_start (EV_P_ ev_async *w) EV_THROW; |
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816 | EV_API_DECL void ev_async_stop (EV_P_ ev_async *w) EV_THROW; |
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817 | EV_API_DECL void ev_async_send (EV_P_ ev_async *w) EV_THROW; |
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818 | # endif |
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819 | |
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820 | #if EV_COMPAT3 |
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821 | #define EVLOOP_NONBLOCK EVRUN_NOWAIT |
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|
822 | #define EVLOOP_ONESHOT EVRUN_ONCE |
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|
823 | #define EVUNLOOP_CANCEL EVBREAK_CANCEL |
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|
824 | #define EVUNLOOP_ONE EVBREAK_ONE |
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825 | #define EVUNLOOP_ALL EVBREAK_ALL |
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826 | #if EV_PROTOTYPES |
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827 | EV_INLINE void ev_loop (EV_P_ int flags) { ev_run (EV_A_ flags); } |
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828 | EV_INLINE void ev_unloop (EV_P_ int how ) { ev_break (EV_A_ how ); } |
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829 | EV_INLINE void ev_default_destroy (void) { ev_loop_destroy (EV_DEFAULT); } |
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830 | EV_INLINE void ev_default_fork (void) { ev_loop_fork (EV_DEFAULT); } |
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831 | #if EV_FEATURE_API |
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832 | EV_INLINE unsigned int ev_loop_count (EV_P) { return ev_iteration (EV_A); } |
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833 | EV_INLINE unsigned int ev_loop_depth (EV_P) { return ev_depth (EV_A); } |
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834 | EV_INLINE void ev_loop_verify (EV_P) { ev_verify (EV_A); } |
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835 | #endif |
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836 | #endif |
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837 | #else |
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|
838 | typedef struct ev_loop ev_loop; |
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839 | #endif |
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840 | |
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841 | #endif |
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842 | |
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843 | EV_CPP(}) |
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844 | |
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845 | #endif |
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846 | |