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 |
34 | extern "C" { |
44 | extern "C" { |
35 | #endif |
45 | #endif |
36 | |
46 | |
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47 | /*****************************************************************************/ |
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48 | |
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49 | /* pre-4.0 compatibility */ |
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50 | #ifndef EV_COMPAT3 |
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51 | # define EV_COMPAT3 1 |
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52 | #endif |
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53 | |
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54 | #ifndef EV_FEATURES |
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55 | # define EV_FEATURES 0x7f |
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56 | #endif |
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57 | |
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58 | #define EV_FEATURE_CODE ((EV_FEATURES) & 1) |
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59 | #define EV_FEATURE_DATA ((EV_FEATURES) & 2) |
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60 | #define EV_FEATURE_CONFIG ((EV_FEATURES) & 4) |
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61 | #define EV_FEATURE_API ((EV_FEATURES) & 8) |
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62 | #define EV_FEATURE_WATCHERS ((EV_FEATURES) & 16) |
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63 | #define EV_FEATURE_BACKENDS ((EV_FEATURES) & 32) |
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64 | #define EV_FEATURE_OS ((EV_FEATURES) & 64) |
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65 | |
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66 | /* these priorities are inclusive, higher priorities will be invoked earlier */ |
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67 | #ifndef EV_MINPRI |
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68 | # define EV_MINPRI (EV_FEATURE_CONFIG ? -2 : 0) |
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69 | #endif |
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70 | #ifndef EV_MAXPRI |
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71 | # define EV_MAXPRI (EV_FEATURE_CONFIG ? +2 : 0) |
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72 | #endif |
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73 | |
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74 | #ifndef EV_MULTIPLICITY |
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75 | # define EV_MULTIPLICITY EV_FEATURE_CONFIG |
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76 | #endif |
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77 | |
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78 | #ifndef EV_PERIODIC_ENABLE |
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79 | # define EV_PERIODIC_ENABLE EV_FEATURE_WATCHERS |
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80 | #endif |
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81 | |
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82 | #ifndef EV_STAT_ENABLE |
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83 | # define EV_STAT_ENABLE EV_FEATURE_WATCHERS |
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84 | #endif |
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85 | |
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86 | #ifndef EV_PREPARE_ENABLE |
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87 | # define EV_PREPARE_ENABLE EV_FEATURE_WATCHERS |
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88 | #endif |
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89 | |
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90 | #ifndef EV_CHECK_ENABLE |
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91 | # define EV_CHECK_ENABLE EV_FEATURE_WATCHERS |
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92 | #endif |
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93 | |
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94 | #ifndef EV_IDLE_ENABLE |
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95 | # define EV_IDLE_ENABLE EV_FEATURE_WATCHERS |
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96 | #endif |
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97 | |
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98 | #ifndef EV_FORK_ENABLE |
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99 | # define EV_FORK_ENABLE EV_FEATURE_WATCHERS |
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100 | #endif |
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101 | |
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102 | #ifndef EV_SIGNAL_ENABLE |
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103 | # define EV_SIGNAL_ENABLE EV_FEATURE_WATCHERS |
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104 | #endif |
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105 | |
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106 | #ifndef EV_CHILD_ENABLE |
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107 | # ifdef _WIN32 |
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108 | # define EV_CHILD_ENABLE 0 |
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109 | # else |
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110 | # define EV_CHILD_ENABLE EV_FEATURE_WATCHERS |
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111 | #endif |
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112 | #endif |
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113 | |
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114 | #ifndef EV_ASYNC_ENABLE |
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115 | # define EV_ASYNC_ENABLE EV_FEATURE_WATCHERS |
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116 | #endif |
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117 | |
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118 | #ifndef EV_EMBED_ENABLE |
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119 | # define EV_EMBED_ENABLE EV_FEATURE_WATCHERS |
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120 | #endif |
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121 | |
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122 | #ifndef EV_WALK_ENABLE |
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123 | # define EV_WALK_ENABLE 0 /* not yet */ |
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124 | #endif |
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125 | |
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126 | /*****************************************************************************/ |
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127 | |
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128 | #if EV_CHILD_ENABLE && !EV_SIGNAL_ENABLE |
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129 | # undef EV_SIGNAL_ENABLE |
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130 | # define EV_SIGNAL_ENABLE 1 |
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131 | #endif |
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132 | |
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133 | /*****************************************************************************/ |
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134 | |
37 | typedef double ev_tstamp; |
135 | typedef double ev_tstamp; |
38 | |
136 | |
39 | /* these priorities are inclusive, higher priorities will be called earlier */ |
137 | #ifndef EV_ATOMIC_T |
40 | #ifndef EV_MINPRI |
138 | # include <signal.h> |
41 | # define EV_MINPRI -2 |
139 | # define EV_ATOMIC_T sig_atomic_t volatile |
42 | #endif |
140 | #endif |
43 | #ifndef EV_MAXPRI |
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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_PERIODIC_ENABLE |
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52 | # define EV_PERIODIC_ENABLE 1 |
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53 | #endif |
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54 | |
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55 | #ifndef EV_STAT_ENABLE |
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56 | # define EV_STAT_ENABLE 1 |
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57 | #endif |
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58 | |
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59 | #ifndef EV_FORK_ENABLE |
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60 | # define EV_FORK_ENABLE 1 |
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61 | #endif |
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62 | |
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63 | #ifndef EV_EMBED_ENABLE |
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64 | # define EV_EMBED_ENABLE 1 |
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65 | #endif |
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66 | |
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67 | /*****************************************************************************/ |
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68 | |
141 | |
69 | #if EV_STAT_ENABLE |
142 | #if EV_STAT_ENABLE |
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143 | # ifdef _WIN32 |
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144 | # include <time.h> |
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145 | # include <sys/types.h> |
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146 | # endif |
70 | # include <sys/stat.h> |
147 | # include <sys/stat.h> |
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148 | #endif |
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149 | |
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150 | #ifdef __cplusplus |
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151 | # define EV_DEFARG(x) = x |
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152 | #else |
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153 | # define EV_DEFARG(x) |
71 | #endif |
154 | #endif |
72 | |
155 | |
73 | /* support multiple event loops? */ |
156 | /* support multiple event loops? */ |
74 | #if EV_MULTIPLICITY |
157 | #if EV_MULTIPLICITY |
75 | struct ev_loop; |
158 | struct ev_loop; |
76 | # define EV_P struct ev_loop *loop |
159 | # define EV_P struct ev_loop *loop /* a loop as sole parameter in a declaration */ |
77 | # define EV_P_ EV_P, |
160 | # define EV_P_ EV_P, /* a loop as first of multiple parameters */ |
78 | # define EV_A loop |
161 | # define EV_A loop /* a loop as sole argument to a function call */ |
79 | # define EV_A_ EV_A, |
162 | # define EV_A_ EV_A, /* a loop as first of multiple arguments */ |
80 | # define EV_DEFAULT ev_default_loop (0) |
163 | # define EV_DEFAULT_UC ev_default_loop_uc () /* the default loop, if initialised, as sole arg */ |
81 | # define EV_DEFAULT_ EV_DEFAULT, |
164 | # define EV_DEFAULT_UC_ EV_DEFAULT_UC, /* the default loop as first of multiple arguments */ |
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165 | # define EV_DEFAULT ev_default_loop (0) /* the default loop as sole arg */ |
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166 | # define EV_DEFAULT_ EV_DEFAULT, /* the default loop as first of multiple arguments */ |
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167 | # define EV_PDEF EV_P EV_DEFARG (EV_DEFAULT_UC) /* EV_P, but with default argument in C++ */ |
82 | #else |
168 | #else |
83 | # define EV_P void |
169 | # define EV_P void |
84 | # define EV_P_ |
170 | # define EV_P_ |
85 | # define EV_A |
171 | # define EV_A |
86 | # define EV_A_ |
172 | # define EV_A_ |
87 | # define EV_DEFAULT |
173 | # define EV_DEFAULT |
88 | # define EV_DEFAULT_ |
174 | # define EV_DEFAULT_ |
89 | |
175 | # define EV_DEFAULT_UC |
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176 | # define EV_DEFAULT_UC_ |
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177 | # define EV_PDEF EV_P |
90 | # undef EV_EMBED_ENABLE |
178 | # undef EV_EMBED_ENABLE |
91 | #endif |
179 | #endif |
92 | |
180 | |
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181 | #if __STDC_VERSION__ >= 199901L || __GNUC__ >= 3 |
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182 | # define EV_INLINE static inline |
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183 | #else |
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184 | # define EV_INLINE static |
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185 | #endif |
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186 | |
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187 | #ifndef EV_PROTOTYPES |
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188 | # define EV_PROTOTYPES 1 |
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189 | #endif |
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190 | |
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191 | /*****************************************************************************/ |
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192 | |
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193 | #define EV_VERSION_MAJOR 4 |
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194 | #define EV_VERSION_MINOR 0 |
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195 | |
93 | /* eventmask, revents, events... */ |
196 | /* eventmask, revents, events... */ |
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197 | enum { |
94 | #define EV_UNDEF -1L /* guaranteed to be invalid */ |
198 | EV_UNDEF = -1, /* guaranteed to be invalid */ |
95 | #define EV_NONE 0x00L /* no events */ |
199 | EV_NONE = 0x00, /* no events */ |
96 | #define EV_READ 0x01L /* ev_io detected read will not block */ |
200 | EV_READ = 0x01, /* ev_io detected read will not block */ |
97 | #define EV_WRITE 0x02L /* ev_io detected write will not block */ |
201 | EV_WRITE = 0x02, /* ev_io detected write will not block */ |
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202 | EV__IOFDSET = 0x80, /* internal use only */ |
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203 | EV_IO = EV_READ, /* alias for type-detection */ |
98 | #define EV_TIMEOUT 0x00000100L /* timer timed out */ |
204 | EV_TIMER = 0x00000100, /* timer timed out */ |
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205 | #if EV_COMPAT3 |
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206 | EV_TIMEOUT = EV_TIMER, /* pre 4.0 API compatibility */ |
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207 | #endif |
99 | #define EV_PERIODIC 0x00000200L /* periodic timer timed out */ |
208 | EV_PERIODIC = 0x00000200, /* periodic timer timed out */ |
100 | #define EV_SIGNAL 0x00000400L /* signal was received */ |
209 | EV_SIGNAL = 0x00000400, /* signal was received */ |
101 | #define EV_CHILD 0x00000800L /* child/pid had status change */ |
210 | EV_CHILD = 0x00000800, /* child/pid had status change */ |
102 | #define EV_STAT 0x00001000L /* stat data changed */ |
211 | EV_STAT = 0x00001000, /* stat data changed */ |
103 | #define EV_IDLE 0x00002000L /* event loop is idling */ |
212 | EV_IDLE = 0x00002000, /* event loop is idling */ |
104 | #define EV_PREPARE 0x00004000L /* event loop about to poll */ |
213 | EV_PREPARE = 0x00004000, /* event loop about to poll */ |
105 | #define EV_CHECK 0x00008000L /* event loop finished poll */ |
214 | EV_CHECK = 0x00008000, /* event loop finished poll */ |
106 | #define EV_EMBED 0x00010000L /* embedded event loop needs sweep */ |
215 | EV_EMBED = 0x00010000, /* embedded event loop needs sweep */ |
107 | #define EV_FORK 0x00020000L /* event loop resumed in child */ |
216 | EV_FORK = 0x00020000, /* event loop resumed in child */ |
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217 | EV_ASYNC = 0x00040000, /* async intra-loop signal */ |
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218 | EV_CUSTOM = 0x01000000, /* for use by user code */ |
108 | #define EV_ERROR 0x80000000L /* sent when an error occurs */ |
219 | EV_ERROR = 0x80000000 /* sent when an error occurs */ |
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220 | }; |
109 | |
221 | |
110 | /* can be used to add custom fields to all watchers, while losing binary compatibility */ |
222 | /* can be used to add custom fields to all watchers, while losing binary compatibility */ |
111 | #ifndef EV_COMMON |
223 | #ifndef EV_COMMON |
112 | # define EV_COMMON void *data; |
224 | # define EV_COMMON void *data; |
113 | #endif |
225 | #endif |
114 | #ifndef EV_PROTOTYPES |
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115 | # define EV_PROTOTYPES 1 |
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116 | #endif |
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117 | |
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118 | #define EV_VERSION_MAJOR 1 |
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119 | #define EV_VERSION_MINOR 1 |
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120 | |
226 | |
121 | #ifndef EV_CB_DECLARE |
227 | #ifndef EV_CB_DECLARE |
122 | # define EV_CB_DECLARE(type) void (*cb)(EV_P_ struct type *w, int revents); |
228 | # define EV_CB_DECLARE(type) void (*cb)(EV_P_ struct type *w, int revents); |
123 | #endif |
229 | #endif |
124 | #ifndef EV_CB_INVOKE |
230 | #ifndef EV_CB_INVOKE |
125 | # define EV_CB_INVOKE(watcher,revents) (watcher)->cb (EV_A_ (watcher), (revents)) |
231 | # define EV_CB_INVOKE(watcher,revents) (watcher)->cb (EV_A_ (watcher), (revents)) |
126 | #endif |
232 | #endif |
127 | |
233 | |
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234 | /* not official, do not use */ |
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235 | #define EV_CB(type,name) void name (EV_P_ struct ev_ ## type *w, int revents) |
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236 | |
128 | /* |
237 | /* |
129 | * struct member types: |
238 | * struct member types: |
130 | * private: you can look at them, but not change them, and they might not mean anything to you. |
239 | * private: you may look at them, but not change them, |
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240 | * and they might not mean anything to you. |
131 | * ro: can be read anytime, but only changed when the watcher isn't active |
241 | * ro: can be read anytime, but only changed when the watcher isn't active. |
132 | * rw: can be read and modified anytime, even when the watcher is active |
242 | * rw: can be read and modified anytime, even when the watcher is active. |
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243 | * |
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244 | * some internal details that might be helpful for debugging: |
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245 | * |
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246 | * active is either 0, which means the watcher is not active, |
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247 | * or the array index of the watcher (periodics, timers) |
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248 | * or the array index + 1 (most other watchers) |
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249 | * or simply 1 for watchers that aren't in some array. |
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250 | * pending is either 0, in which case the watcher isn't, |
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251 | * or the array index + 1 in the pendings array. |
133 | */ |
252 | */ |
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253 | |
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254 | #if EV_MINPRI == EV_MAXPRI |
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255 | # define EV_DECL_PRIORITY |
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256 | #elif !defined (EV_DECL_PRIORITY) |
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257 | # define EV_DECL_PRIORITY int priority; |
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258 | #endif |
134 | |
259 | |
135 | /* shared by all watchers */ |
260 | /* shared by all watchers */ |
136 | #define EV_WATCHER(type) \ |
261 | #define EV_WATCHER(type) \ |
137 | int active; /* private */ \ |
262 | int active; /* private */ \ |
138 | int pending; /* private */ \ |
263 | int pending; /* private */ \ |
139 | int priority; /* private */ \ |
264 | EV_DECL_PRIORITY /* private */ \ |
140 | EV_COMMON /* rw */ \ |
265 | EV_COMMON /* rw */ \ |
141 | EV_CB_DECLARE (type) /* private */ |
266 | EV_CB_DECLARE (type) /* private */ |
142 | |
267 | |
143 | #define EV_WATCHER_LIST(type) \ |
268 | #define EV_WATCHER_LIST(type) \ |
144 | EV_WATCHER (type) \ |
269 | EV_WATCHER (type) \ |
… | |
… | |
189 | /* revent EV_PERIODIC */ |
314 | /* revent EV_PERIODIC */ |
190 | typedef struct ev_periodic |
315 | typedef struct ev_periodic |
191 | { |
316 | { |
192 | EV_WATCHER_TIME (ev_periodic) |
317 | EV_WATCHER_TIME (ev_periodic) |
193 | |
318 | |
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319 | ev_tstamp offset; /* rw */ |
194 | ev_tstamp interval; /* rw */ |
320 | ev_tstamp interval; /* rw */ |
195 | ev_tstamp (*reschedule_cb)(struct ev_periodic *w, ev_tstamp now); /* rw */ |
321 | ev_tstamp (*reschedule_cb)(struct ev_periodic *w, ev_tstamp now); /* rw */ |
196 | } ev_periodic; |
322 | } ev_periodic; |
197 | |
323 | |
198 | /* invoked when the given signal has been received */ |
324 | /* invoked when the given signal has been received */ |
… | |
… | |
209 | /* does not support priorities */ |
335 | /* does not support priorities */ |
210 | typedef struct ev_child |
336 | typedef struct ev_child |
211 | { |
337 | { |
212 | EV_WATCHER_LIST (ev_child) |
338 | EV_WATCHER_LIST (ev_child) |
213 | |
339 | |
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340 | int flags; /* private */ |
214 | int pid; /* ro */ |
341 | int pid; /* ro */ |
215 | int rpid; /* rw, holds the received pid */ |
342 | int rpid; /* rw, holds the received pid */ |
216 | int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */ |
343 | int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */ |
217 | } ev_child; |
344 | } ev_child; |
218 | |
345 | |
… | |
… | |
238 | |
365 | |
239 | int wd; /* wd for inotify, fd for kqueue */ |
366 | int wd; /* wd for inotify, fd for kqueue */ |
240 | } ev_stat; |
367 | } ev_stat; |
241 | #endif |
368 | #endif |
242 | |
369 | |
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370 | #if EV_IDLE_ENABLE |
243 | /* invoked when the nothing else needs to be done, keeps the process from blocking */ |
371 | /* invoked when the nothing else needs to be done, keeps the process from blocking */ |
244 | /* revent EV_IDLE */ |
372 | /* revent EV_IDLE */ |
245 | typedef struct ev_idle |
373 | typedef struct ev_idle |
246 | { |
374 | { |
247 | EV_WATCHER (ev_idle) |
375 | EV_WATCHER (ev_idle) |
248 | } ev_idle; |
376 | } ev_idle; |
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377 | #endif |
249 | |
378 | |
250 | /* invoked for each run of the mainloop, just before the blocking call */ |
379 | /* invoked for each run of the mainloop, just before the blocking call */ |
251 | /* you can still change events in any way you like */ |
380 | /* you can still change events in any way you like */ |
252 | /* revent EV_PREPARE */ |
381 | /* revent EV_PREPARE */ |
253 | typedef struct ev_prepare |
382 | typedef struct ev_prepare |
… | |
… | |
275 | /* the callback gets invoked when the event loop has handled events, and can be 0 */ |
404 | /* the callback gets invoked when the event loop has handled events, and can be 0 */ |
276 | typedef struct ev_embed |
405 | typedef struct ev_embed |
277 | { |
406 | { |
278 | EV_WATCHER (ev_embed) |
407 | EV_WATCHER (ev_embed) |
279 | |
408 | |
280 | ev_io io; /* private */ |
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281 | struct ev_loop *loop; /* ro */ |
409 | struct ev_loop *other; /* ro */ |
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410 | ev_io io; /* private */ |
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411 | ev_prepare prepare; /* private */ |
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412 | ev_check check; /* unused */ |
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413 | ev_timer timer; /* unused */ |
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414 | ev_periodic periodic; /* unused */ |
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415 | ev_idle idle; /* unused */ |
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416 | ev_fork fork; /* private */ |
282 | } ev_embed; |
417 | } ev_embed; |
|
|
418 | #endif |
|
|
419 | |
|
|
420 | #if EV_ASYNC_ENABLE |
|
|
421 | /* invoked when somebody calls ev_async_send on the watcher */ |
|
|
422 | /* revent EV_ASYNC */ |
|
|
423 | typedef struct ev_async |
|
|
424 | { |
|
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425 | EV_WATCHER (ev_async) |
|
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426 | |
|
|
427 | EV_ATOMIC_T sent; /* private */ |
|
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428 | } ev_async; |
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429 | |
|
|
430 | # define ev_async_pending(w) (+(w)->sent) |
283 | #endif |
431 | #endif |
284 | |
432 | |
285 | /* the presence of this union forces similar struct layout */ |
433 | /* the presence of this union forces similar struct layout */ |
286 | union ev_any_watcher |
434 | union ev_any_watcher |
287 | { |
435 | { |
… | |
… | |
294 | struct ev_signal signal; |
442 | struct ev_signal signal; |
295 | struct ev_child child; |
443 | struct ev_child child; |
296 | #if EV_STAT_ENABLE |
444 | #if EV_STAT_ENABLE |
297 | struct ev_stat stat; |
445 | struct ev_stat stat; |
298 | #endif |
446 | #endif |
|
|
447 | #if EV_IDLE_ENABLE |
299 | struct ev_idle idle; |
448 | struct ev_idle idle; |
|
|
449 | #endif |
300 | struct ev_prepare prepare; |
450 | struct ev_prepare prepare; |
301 | struct ev_check check; |
451 | struct ev_check check; |
302 | #if EV_FORK_ENABLE |
452 | #if EV_FORK_ENABLE |
303 | struct ev_fork fork; |
453 | struct ev_fork fork; |
304 | #endif |
454 | #endif |
305 | #if EV_EMBED_ENABLE |
455 | #if EV_EMBED_ENABLE |
306 | struct ev_embed embed; |
456 | struct ev_embed embed; |
307 | #endif |
457 | #endif |
|
|
458 | #if EV_ASYNC_ENABLE |
|
|
459 | struct ev_async async; |
|
|
460 | #endif |
308 | }; |
461 | }; |
309 | |
462 | |
310 | /* bits for ev_default_loop and ev_loop_new */ |
463 | /* flag bits for ev_default_loop and ev_loop_new */ |
|
|
464 | enum { |
311 | /* the default */ |
465 | /* the default */ |
312 | #define EVFLAG_AUTO 0x00000000UL /* not quite a mask */ |
466 | EVFLAG_AUTO = 0x00000000U, /* not quite a mask */ |
313 | /* flag bits */ |
467 | /* flag bits */ |
314 | #define EVFLAG_NOENV 0x01000000UL /* do NOT consult environment */ |
468 | EVFLAG_NOENV = 0x01000000U, /* do NOT consult environment */ |
315 | #define EVFLAG_FORKCHECK 0x02000000UL /* check for a fork in each iteration */ |
469 | EVFLAG_FORKCHECK = 0x02000000U, /* check for a fork in each iteration */ |
|
|
470 | /* debugging/feature disable */ |
|
|
471 | EVFLAG_NOINOTIFY = 0x00100000U, /* do not attempt to use inotify */ |
|
|
472 | #if EV_COMPAT3 |
|
|
473 | EVFLAG_NOSIGFD = 0, /* compatibility to pre-3.9 */ |
|
|
474 | #endif |
|
|
475 | EVFLAG_SIGNALFD = 0x00200000U /* attempt to use signalfd */ |
|
|
476 | }; |
|
|
477 | |
316 | /* method bits to be ored together */ |
478 | /* method bits to be ored together */ |
|
|
479 | enum { |
317 | #define EVBACKEND_SELECT 0x00000001UL /* about anywhere */ |
480 | EVBACKEND_SELECT = 0x00000001U, /* about anywhere */ |
318 | #define EVBACKEND_POLL 0x00000002UL /* !win */ |
481 | EVBACKEND_POLL = 0x00000002U, /* !win */ |
319 | #define EVBACKEND_EPOLL 0x00000004UL /* linux */ |
482 | EVBACKEND_EPOLL = 0x00000004U, /* linux */ |
320 | #define EVBACKEND_KQUEUE 0x00000008UL /* bsd */ |
483 | EVBACKEND_KQUEUE = 0x00000008U, /* bsd */ |
321 | #define EVBACKEND_DEVPOLL 0x00000010UL /* solaris 8 */ /* NYI */ |
484 | EVBACKEND_DEVPOLL = 0x00000010U, /* solaris 8 */ /* NYI */ |
322 | #define EVBACKEND_PORT 0x00000020UL /* solaris 10 */ |
485 | EVBACKEND_PORT = 0x00000020U, /* solaris 10 */ |
|
|
486 | EVBACKEND_ALL = 0x0000003FU |
|
|
487 | }; |
323 | |
488 | |
324 | #if EV_PROTOTYPES |
489 | #if EV_PROTOTYPES |
325 | int ev_version_major (void); |
490 | int ev_version_major (void); |
326 | int ev_version_minor (void); |
491 | int ev_version_minor (void); |
327 | |
492 | |
328 | unsigned int ev_supported_backends (void); |
493 | unsigned int ev_supported_backends (void); |
329 | unsigned int ev_recommended_backends (void); |
494 | unsigned int ev_recommended_backends (void); |
330 | unsigned int ev_embeddable_backends (void); |
495 | unsigned int ev_embeddable_backends (void); |
331 | |
496 | |
332 | ev_tstamp ev_time (void); |
497 | ev_tstamp ev_time (void); |
|
|
498 | void ev_sleep (ev_tstamp delay); /* sleep for a while */ |
333 | |
499 | |
334 | /* Sets the allocation function to use, works like realloc. |
500 | /* Sets the allocation function to use, works like realloc. |
335 | * It is used to allocate and free memory. |
501 | * It is used to allocate and free memory. |
336 | * If it returns zero when memory needs to be allocated, the library might abort |
502 | * If it returns zero when memory needs to be allocated, the library might abort |
337 | * or take some potentially destructive action. |
503 | * or take some potentially destructive action. |
… | |
… | |
343 | * retryable syscall error |
509 | * retryable syscall error |
344 | * (such as failed select, poll, epoll_wait) |
510 | * (such as failed select, poll, epoll_wait) |
345 | */ |
511 | */ |
346 | void ev_set_syserr_cb (void (*cb)(const char *msg)); |
512 | void ev_set_syserr_cb (void (*cb)(const char *msg)); |
347 | |
513 | |
348 | # if EV_MULTIPLICITY |
514 | #if EV_MULTIPLICITY |
|
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515 | EV_INLINE struct ev_loop * |
|
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516 | ev_default_loop_uc (void) |
|
|
517 | { |
|
|
518 | extern struct ev_loop *ev_default_loop_ptr; |
|
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519 | |
|
|
520 | return ev_default_loop_ptr; |
|
|
521 | } |
|
|
522 | |
349 | /* the default loop is the only one that handles signals and child watchers */ |
523 | /* the default loop is the only one that handles signals and child watchers */ |
350 | /* you can call this as often as you like */ |
524 | /* you can call this as often as you like */ |
351 | static struct ev_loop * |
525 | EV_INLINE struct ev_loop * |
352 | ev_default_loop (unsigned int flags) |
526 | ev_default_loop (unsigned int flags EV_DEFARG (0)) |
353 | { |
527 | { |
354 | extern struct ev_loop *ev_default_loop_ptr; |
528 | struct ev_loop *loop = ev_default_loop_uc (); |
|
|
529 | |
|
|
530 | if (!loop) |
|
|
531 | { |
355 | extern struct ev_loop *ev_default_loop_init (unsigned int flags); |
532 | extern struct ev_loop *ev_default_loop_init (unsigned int flags); |
356 | |
533 | |
357 | if (!ev_default_loop_ptr) |
|
|
358 | ev_default_loop_init (flags); |
534 | loop = ev_default_loop_init (flags); |
|
|
535 | } |
359 | |
536 | |
360 | return ev_default_loop_ptr; |
537 | return loop; |
361 | } |
538 | } |
362 | |
539 | |
363 | /* create and destroy alternative loops that don't handle signals */ |
540 | /* create and destroy alternative loops that don't handle signals */ |
364 | struct ev_loop *ev_loop_new (unsigned int flags); |
541 | struct ev_loop *ev_loop_new (unsigned int flags EV_DEFARG (0)); |
365 | void ev_loop_destroy (EV_P); |
542 | void ev_loop_destroy (EV_PDEF); |
366 | void ev_loop_fork (EV_P); |
543 | void ev_loop_fork (EV_PDEF); |
367 | |
544 | |
368 | ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */ |
545 | ev_tstamp ev_now (EV_PDEF); /* time w.r.t. timers and the eventloop, updated after each poll */ |
369 | |
546 | |
370 | # else |
547 | #else |
371 | |
548 | |
372 | int ev_default_loop (unsigned int flags); /* returns true when successful */ |
549 | int ev_default_loop (unsigned int flags EV_DEFARG (0)); /* returns true when successful */ |
373 | |
550 | |
374 | static ev_tstamp |
551 | EV_INLINE ev_tstamp |
375 | ev_now (void) |
552 | ev_now (void) |
376 | { |
553 | { |
377 | extern ev_tstamp ev_rt_now; |
554 | extern ev_tstamp ev_rt_now; |
378 | |
555 | |
379 | return ev_rt_now; |
556 | return ev_rt_now; |
380 | } |
557 | } |
|
|
558 | #endif /* multiplicity */ |
|
|
559 | |
|
|
560 | EV_INLINE int |
|
|
561 | ev_is_default_loop (EV_PDEF) |
|
|
562 | { |
|
|
563 | #if EV_MULTIPLICITY |
|
|
564 | extern struct ev_loop *ev_default_loop_ptr; |
|
|
565 | |
|
|
566 | return !!(EV_A == ev_default_loop_ptr); |
|
|
567 | #else |
|
|
568 | return 1; |
381 | # endif |
569 | #endif |
|
|
570 | } |
382 | |
571 | |
383 | void ev_default_destroy (void); /* destroy the default loop */ |
572 | void ev_default_destroy (void); /* destroy the default loop */ |
384 | /* this needs to be called after fork, to duplicate the default loop */ |
573 | /* this needs to be called after fork, to duplicate the default loop */ |
385 | /* if you create alternative loops you have to call ev_loop_fork on them */ |
574 | /* if you create alternative loops you have to call ev_loop_fork on them */ |
386 | /* you can call it in either the parent or the child */ |
575 | /* you can call it in either the parent or the child */ |
387 | /* you can actually call it at any time, anywhere :) */ |
576 | /* you can actually call it at any time, anywhere :) */ |
388 | void ev_default_fork (void); |
577 | void ev_default_fork (void); |
389 | |
578 | |
390 | unsigned int ev_backend (EV_P); |
579 | unsigned int ev_backend (EV_PDEF); /* backend in use by loop */ |
391 | #endif |
|
|
392 | |
580 | |
393 | #define EVLOOP_NONBLOCK 1 /* do not block/wait */ |
581 | void ev_now_update (EV_PDEF); /* update event loop time */ |
394 | #define EVLOOP_ONESHOT 2 /* block *once* only */ |
582 | |
395 | #define EVUNLOOP_CANCEL 0 /* undo unloop */ |
583 | #if EV_WALK_ENABLE |
396 | #define EVUNLOOP_ONE 1 /* unloop once */ |
584 | /* walk (almost) all watchers in the loop of a given type, invoking the */ |
|
|
585 | /* callback on every such watcher. The callback might stop the watcher, */ |
|
|
586 | /* but do nothing else with the loop */ |
|
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587 | void ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)); |
|
|
588 | #endif |
|
|
589 | |
|
|
590 | #endif /* prototypes */ |
|
|
591 | |
|
|
592 | /* ev_run flags values */ |
|
|
593 | enum { |
|
|
594 | EVRUN_NOWAIT = 1, /* do not block/wait */ |
|
|
595 | EVRUN_ONCE = 2 /* block *once* only */ |
|
|
596 | }; |
|
|
597 | |
|
|
598 | /* ev_break how values */ |
|
|
599 | enum { |
|
|
600 | EVBREAK_CANCEL = 0, /* undo unloop */ |
|
|
601 | EVBREAK_ONE = 1, /* unloop once */ |
397 | #define EVUNLOOP_ALL 2 /* unloop all loops */ |
602 | EVBREAK_ALL = 2 /* unloop all loops */ |
|
|
603 | }; |
398 | |
604 | |
399 | #if EV_PROTOTYPES |
605 | #if EV_PROTOTYPES |
400 | void ev_loop (EV_P_ int flags); |
606 | void ev_run (EV_P_ int flags EV_DEFARG (0)); |
401 | 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 */ |
607 | void ev_break (EV_P_ int how EV_DEFARG (EVBREAK_ONE)); /* break out of the loop */ |
402 | |
608 | |
403 | /* |
609 | /* |
404 | * ref/unref can be used to add or remove a refcount on the mainloop. every watcher |
610 | * ref/unref can be used to add or remove a refcount on the mainloop. every watcher |
405 | * keeps one reference. if you have a long-runing watcher you never unregister that |
611 | * keeps one reference. if you have a long-running watcher you never unregister that |
406 | * should not keep ev_loop from running, unref() after starting, and ref() before stopping. |
612 | * should not keep ev_loop from running, unref() after starting, and ref() before stopping. |
407 | */ |
613 | */ |
408 | void ev_ref (EV_P); |
614 | void ev_ref (EV_PDEF); |
409 | void ev_unref (EV_P); |
615 | void ev_unref (EV_PDEF); |
410 | |
616 | |
|
|
617 | /* |
411 | /* convinience function, wait for a single event, without registering an event watcher */ |
618 | * convenience function, wait for a single event, without registering an event watcher |
412 | /* if timeout is < 0, do wait indefinitely */ |
619 | * if timeout is < 0, do wait indefinitely |
|
|
620 | */ |
413 | void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg); |
621 | void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg); |
|
|
622 | |
|
|
623 | # if EV_FEATURE_API |
|
|
624 | unsigned int ev_iteration (EV_PDEF); /* number of loop iterations */ |
|
|
625 | unsigned int ev_depth (EV_PDEF); /* #ev_loop enters - #ev_loop leaves */ |
|
|
626 | void ev_verify (EV_PDEF); /* abort if loop data corrupted */ |
|
|
627 | |
|
|
628 | void ev_set_io_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */ |
|
|
629 | void ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */ |
|
|
630 | |
|
|
631 | /* advanced stuff for threading etc. support, see docs */ |
|
|
632 | void ev_set_userdata (EV_P_ void *data); |
|
|
633 | void *ev_userdata (EV_PDEF); |
|
|
634 | void ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)); |
|
|
635 | void ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P)); |
|
|
636 | |
|
|
637 | unsigned int ev_pending_count (EV_PDEF); /* number of pending events, if any */ |
|
|
638 | void ev_invoke_pending (EV_PDEF); /* invoke all pending watchers */ |
|
|
639 | |
|
|
640 | /* |
|
|
641 | * stop/start the timer handling. |
|
|
642 | */ |
|
|
643 | void ev_suspend (EV_PDEF); |
|
|
644 | void ev_resume (EV_PDEF); |
|
|
645 | #endif |
|
|
646 | |
414 | #endif |
647 | #endif |
415 | |
648 | |
416 | /* these may evaluate ev multiple times, and the other arguments at most once */ |
649 | /* these may evaluate ev multiple times, and the other arguments at most once */ |
417 | /* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */ |
650 | /* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */ |
418 | #define ev_init(ev,cb_) do { \ |
651 | #define ev_init(ev,cb_) do { \ |
419 | ((ev_watcher *)(void *)(ev))->active = \ |
652 | ((ev_watcher *)(void *)(ev))->active = \ |
420 | ((ev_watcher *)(void *)(ev))->pending = \ |
653 | ((ev_watcher *)(void *)(ev))->pending = 0; \ |
421 | ((ev_watcher *)(void *)(ev))->priority = 0; \ |
654 | ev_set_priority ((ev), 0); \ |
422 | ev_set_cb ((ev), cb_); \ |
655 | ev_set_cb ((ev), cb_); \ |
423 | } while (0) |
656 | } while (0) |
424 | |
657 | |
425 | #define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_); } while (0) |
658 | #define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_) | EV__IOFDSET; } while (0) |
426 | #define ev_timer_set(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); } while (0) |
659 | #define ev_timer_set(ev,after_,repeat_) do { ((ev_watcher_time *)(ev))->at = (after_); (ev)->repeat = (repeat_); } while (0) |
427 | #define ev_periodic_set(ev,at_,ival_,res_) do { (ev)->at = (at_); (ev)->interval = (ival_); (ev)->reschedule_cb= (res_); } while (0) |
660 | #define ev_periodic_set(ev,ofs_,ival_,rcb_) do { (ev)->offset = (ofs_); (ev)->interval = (ival_); (ev)->reschedule_cb = (rcb_); } while (0) |
428 | #define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0) |
661 | #define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0) |
429 | #define ev_child_set(ev,pid_) do { (ev)->pid = (pid_); } while (0) |
662 | #define ev_child_set(ev,pid_,trace_) do { (ev)->pid = (pid_); (ev)->flags = !!(trace_); } while (0) |
430 | #define ev_stat_set(ev,path_,interval_) do { (ev)->path = (path_); (ev)->interval = (interval_); (ev)->wd = -2; } while (0) |
663 | #define ev_stat_set(ev,path_,interval_) do { (ev)->path = (path_); (ev)->interval = (interval_); (ev)->wd = -2; } while (0) |
431 | #define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */ |
664 | #define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */ |
432 | #define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */ |
665 | #define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */ |
433 | #define ev_check_set(ev) /* nop, yes, this is a serious in-joke */ |
666 | #define ev_check_set(ev) /* nop, yes, this is a serious in-joke */ |
434 | #define ev_embed_set(ev,loop_) do { (ev)->loop = (loop_); } while (0) |
667 | #define ev_embed_set(ev,other_) do { (ev)->other = (other_); } while (0) |
435 | #define ev_fork_set(ev) /* nop, yes, this is a serious in-joke */ |
668 | #define ev_fork_set(ev) /* nop, yes, this is a serious in-joke */ |
|
|
669 | #define ev_async_set(ev) /* nop, yes, this is a serious in-joke */ |
436 | |
670 | |
437 | #define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0) |
671 | #define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0) |
438 | #define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0) |
672 | #define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0) |
439 | #define ev_periodic_init(ev,cb,at,ival,res) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(at),(ival),(res)); } while (0) |
673 | #define ev_periodic_init(ev,cb,ofs,ival,rcb) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(ofs),(ival),(rcb)); } while (0) |
440 | #define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0) |
674 | #define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0) |
441 | #define ev_child_init(ev,cb,pid) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid)); } while (0) |
675 | #define ev_child_init(ev,cb,pid,trace) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid),(trace)); } while (0) |
442 | #define ev_stat_init(ev,cb,path,interval) do { ev_init ((ev), (cb)); ev_path_set ((ev),(path),(interval)); } while (0) |
676 | #define ev_stat_init(ev,cb,path,interval) do { ev_init ((ev), (cb)); ev_stat_set ((ev),(path),(interval)); } while (0) |
443 | #define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0) |
677 | #define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0) |
444 | #define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0) |
678 | #define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0) |
445 | #define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0) |
679 | #define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0) |
446 | #define ev_embed_init(ev,cb,loop) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(loop)); } while (0) |
680 | #define ev_embed_init(ev,cb,other) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(other)); } while (0) |
447 | #define ev_fork_init(ev,cb) do { ev_init ((ev), (cb)); ev_fork_set ((ev)); } while (0) |
681 | #define ev_fork_init(ev,cb) do { ev_init ((ev), (cb)); ev_fork_set ((ev)); } while (0) |
|
|
682 | #define ev_async_init(ev,cb) do { ev_init ((ev), (cb)); ev_async_set ((ev)); } while (0) |
448 | |
683 | |
449 | #define ev_is_pending(ev) (0 + ((ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */ |
684 | #define ev_is_pending(ev) (0 + ((ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */ |
450 | #define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */ |
685 | #define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */ |
451 | |
686 | |
452 | #define ev_priority(ev) ((ev_watcher *)(void *)(ev))->priority /* rw */ |
|
|
453 | #define ev_cb(ev) (ev)->cb /* rw */ |
687 | #define ev_cb(ev) (ev)->cb /* rw */ |
|
|
688 | |
|
|
689 | #if EV_MINPRI == EV_MAXPRI |
|
|
690 | # define ev_priority(ev) ((ev), EV_MINPRI) |
454 | #define ev_set_priority(ev,pri) ev_priority (ev) = (pri) |
691 | # define ev_set_priority(ev,pri) ((ev), (pri)) |
|
|
692 | #else |
|
|
693 | # define ev_priority(ev) (+(((ev_watcher *)(void *)(ev))->priority)) |
|
|
694 | # define ev_set_priority(ev,pri) ( (ev_watcher *)(void *)(ev))->priority = (pri) |
|
|
695 | #endif |
|
|
696 | |
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697 | #define ev_periodic_at(ev) (+((ev_watcher_time *)(ev))->at) |
455 | |
698 | |
456 | #ifndef ev_set_cb |
699 | #ifndef ev_set_cb |
457 | # define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_) |
700 | # define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_) |
458 | #endif |
701 | #endif |
459 | |
702 | |
460 | /* stopping (enabling, adding) a watcher does nothing if it is already running */ |
703 | /* stopping (enabling, adding) a watcher does nothing if it is already running */ |
461 | /* stopping (disabling, deleting) a watcher does nothing unless its already running */ |
704 | /* stopping (disabling, deleting) a watcher does nothing unless its already running */ |
462 | #if EV_PROTOTYPES |
705 | #if EV_PROTOTYPES |
463 | |
706 | |
464 | /* feeds an event into a watcher as if the event actually occured */ |
707 | /* feeds an event into a watcher as if the event actually occured */ |
465 | /* accepts any ev_watcher type */ |
708 | /* accepts any ev_watcher type */ |
466 | void ev_feed_event (EV_P_ void *w, int revents); |
709 | void ev_feed_event (EV_P_ void *w, int revents); |
467 | void ev_feed_fd_event (EV_P_ int fd, int revents); |
710 | void ev_feed_fd_event (EV_P_ int fd, int revents); |
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711 | #if EV_SIGNAL_ENABLE |
468 | void ev_feed_signal_event (EV_P_ int signum); |
712 | void ev_feed_signal_event (EV_P_ int signum); |
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713 | #endif |
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714 | void ev_invoke (EV_P_ void *w, int revents); |
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715 | int ev_clear_pending (EV_P_ void *w); |
469 | |
716 | |
470 | void ev_io_start (EV_P_ ev_io *w); |
717 | void ev_io_start (EV_P_ ev_io *w); |
471 | void ev_io_stop (EV_P_ ev_io *w); |
718 | void ev_io_stop (EV_P_ ev_io *w); |
472 | |
719 | |
473 | void ev_timer_start (EV_P_ ev_timer *w); |
720 | void ev_timer_start (EV_P_ ev_timer *w); |
474 | void ev_timer_stop (EV_P_ ev_timer *w); |
721 | void ev_timer_stop (EV_P_ ev_timer *w); |
475 | /* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */ |
722 | /* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */ |
476 | void ev_timer_again (EV_P_ ev_timer *w); |
723 | void ev_timer_again (EV_P_ ev_timer *w); |
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724 | /* return remaining time */ |
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725 | ev_tstamp ev_timer_remaining (EV_P_ ev_timer *w); |
477 | |
726 | |
478 | #if EV_PERIODIC_ENABLE |
727 | #if EV_PERIODIC_ENABLE |
479 | void ev_periodic_start (EV_P_ ev_periodic *w); |
728 | void ev_periodic_start (EV_P_ ev_periodic *w); |
480 | void ev_periodic_stop (EV_P_ ev_periodic *w); |
729 | void ev_periodic_stop (EV_P_ ev_periodic *w); |
481 | void ev_periodic_again (EV_P_ ev_periodic *w); |
730 | void ev_periodic_again (EV_P_ ev_periodic *w); |
482 | #endif |
731 | #endif |
483 | |
732 | |
484 | /* only supported in the default loop */ |
733 | /* only supported in the default loop */ |
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734 | #if EV_SIGNAL_ENABLE |
485 | void ev_signal_start (EV_P_ ev_signal *w); |
735 | void ev_signal_start (EV_P_ ev_signal *w); |
486 | void ev_signal_stop (EV_P_ ev_signal *w); |
736 | void ev_signal_stop (EV_P_ ev_signal *w); |
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737 | #endif |
487 | |
738 | |
488 | /* only supported in the default loop */ |
739 | /* only supported in the default loop */ |
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740 | # if EV_CHILD_ENABLE |
489 | void ev_child_start (EV_P_ ev_child *w); |
741 | void ev_child_start (EV_P_ ev_child *w); |
490 | void ev_child_stop (EV_P_ ev_child *w); |
742 | void ev_child_stop (EV_P_ ev_child *w); |
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743 | # endif |
491 | |
744 | |
492 | # if EV_STAT_ENABLE |
745 | # if EV_STAT_ENABLE |
493 | void ev_stat_start (EV_P_ ev_stat *w); |
746 | void ev_stat_start (EV_P_ ev_stat *w); |
494 | void ev_stat_stop (EV_P_ ev_stat *w); |
747 | void ev_stat_stop (EV_P_ ev_stat *w); |
495 | void ev_stat_stat (EV_P_ ev_stat *w); |
748 | void ev_stat_stat (EV_P_ ev_stat *w); |
496 | # endif |
749 | # endif |
497 | |
750 | |
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751 | # if EV_IDLE_ENABLE |
498 | void ev_idle_start (EV_P_ ev_idle *w); |
752 | void ev_idle_start (EV_P_ ev_idle *w); |
499 | void ev_idle_stop (EV_P_ ev_idle *w); |
753 | void ev_idle_stop (EV_P_ ev_idle *w); |
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754 | # endif |
500 | |
755 | |
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756 | #if EV_PREPARE_ENABLE |
501 | void ev_prepare_start (EV_P_ ev_prepare *w); |
757 | void ev_prepare_start (EV_P_ ev_prepare *w); |
502 | void ev_prepare_stop (EV_P_ ev_prepare *w); |
758 | void ev_prepare_stop (EV_P_ ev_prepare *w); |
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759 | #endif |
503 | |
760 | |
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761 | #if EV_CHECK_ENABLE |
504 | void ev_check_start (EV_P_ ev_check *w); |
762 | void ev_check_start (EV_P_ ev_check *w); |
505 | void ev_check_stop (EV_P_ ev_check *w); |
763 | void ev_check_stop (EV_P_ ev_check *w); |
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764 | #endif |
506 | |
765 | |
507 | # if EV_FORK_ENABLE |
766 | # if EV_FORK_ENABLE |
508 | void ev_fork_start (EV_P_ ev_fork *w); |
767 | void ev_fork_start (EV_P_ ev_fork *w); |
509 | void ev_fork_stop (EV_P_ ev_fork *w); |
768 | void ev_fork_stop (EV_P_ ev_fork *w); |
510 | # endif |
769 | # endif |
… | |
… | |
514 | void ev_embed_start (EV_P_ ev_embed *w); |
773 | void ev_embed_start (EV_P_ ev_embed *w); |
515 | void ev_embed_stop (EV_P_ ev_embed *w); |
774 | void ev_embed_stop (EV_P_ ev_embed *w); |
516 | void ev_embed_sweep (EV_P_ ev_embed *w); |
775 | void ev_embed_sweep (EV_P_ ev_embed *w); |
517 | # endif |
776 | # endif |
518 | |
777 | |
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778 | # if EV_ASYNC_ENABLE |
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779 | void ev_async_start (EV_P_ ev_async *w); |
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780 | void ev_async_stop (EV_P_ ev_async *w); |
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781 | void ev_async_send (EV_P_ ev_async *w); |
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782 | # endif |
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783 | |
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784 | #if EV_COMPAT3 |
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785 | #define EVLOOP_NONBLOCK EVRUN_NOWAIT |
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786 | #define EVLOOP_ONESHOT EVRUN_ONCE |
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787 | #define EVUNLOOP_CANCEL EVBREAK_CANCEL |
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788 | #define EVUNLOOP_ONE EVBREAK_ONE |
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789 | #define EVUNLOOP_ALL EVBREAK_ALL |
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790 | #if EV_PROTOTYPES |
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791 | EV_INLINE void ev_loop (EV_P_ int flags) { ev_run (EV_A_ flags); } |
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792 | EV_INLINE void ev_unloop (EV_P_ int how ) { ev_break (EV_A_ how ); } |
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793 | #if EV_FEATURE_API |
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794 | EV_INLINE void ev_loop_count (EV_P) { ev_iteration (EV_A); } |
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795 | EV_INLINE void ev_loop_depth (EV_P) { ev_depth (EV_A); } |
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796 | EV_INLINE void ev_loop_verify (EV_P) { ev_verify (EV_A); } |
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797 | #endif |
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798 | #endif |
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799 | #else |
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800 | typedef struct ev_loop ev_loop; |
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801 | #endif |
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802 | |
519 | #endif |
803 | #endif |
520 | |
804 | |
521 | #ifdef __cplusplus |
805 | #ifdef __cplusplus |
522 | } |
806 | } |
523 | #endif |
807 | #endif |