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) 2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann <libev@schmorp.de> |
3 | * All rights reserved. |
5 | * All rights reserved. |
4 | * |
6 | * |
5 | * Redistribution and use in source and binary forms, with or without |
7 | * Redistribution and use in source and binary forms, with or without modifica- |
6 | * modification, are permitted provided that the following conditions are |
8 | * tion, are permitted provided that the following conditions are met: |
7 | * met: |
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8 | * |
9 | * |
9 | * * Redistributions of source code must retain the above copyright |
10 | * 1. Redistributions of source code must retain the above copyright notice, |
10 | * notice, this list of conditions and the following disclaimer. |
11 | * this list of conditions and the following disclaimer. |
11 | * |
12 | * |
12 | * * Redistributions in binary form must reproduce the above |
13 | * 2. Redistributions in binary form must reproduce the above copyright |
13 | * copyright notice, this list of conditions and the following |
14 | * notice, this list of conditions and the following disclaimer in the |
14 | * disclaimer in the documentation and/or other materials provided |
15 | * documentation and/or other materials provided with the distribution. |
15 | * with the distribution. |
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16 | * |
16 | * |
17 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED |
18 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
18 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER- |
19 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
19 | * CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO |
20 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
20 | * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE- |
21 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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22 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
21 | * CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
23 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
22 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
24 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
23 | * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
25 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
24 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH- |
26 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
25 | * ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
27 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
26 | * OF THE POSSIBILITY OF SUCH DAMAGE. |
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27 | * |
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28 | * Alternatively, the contents of this file may be used under the terms of |
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29 | * the GNU General Public License ("GPL") version 2 or any later version, |
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30 | * in which case the provisions of the GPL are applicable instead of |
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31 | * the above. If you wish to allow the use of your version of this file |
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32 | * only under the terms of the GPL and not to allow others to use your |
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33 | * version of this file under the BSD license, indicate your decision |
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34 | * by deleting the provisions above and replace them with the notice |
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35 | * and other provisions required by the GPL. If you do not delete the |
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36 | * provisions above, a recipient may use your version of this file under |
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37 | * either the BSD or the GPL. |
28 | */ |
38 | */ |
29 | |
39 | |
30 | #ifndef EV_H__ |
40 | #ifndef EV_H_ |
31 | #define EV_H__ |
41 | #define EV_H_ |
32 | |
42 | |
33 | #ifdef __cplusplus |
43 | #ifdef __cplusplus |
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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 | |
34 | extern "C" { |
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 |
35 | #endif |
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 | /*****************************************************************************/ |
36 | |
148 | |
37 | typedef double ev_tstamp; |
149 | typedef double ev_tstamp; |
38 | |
150 | |
39 | /* these priorities are inclusive, higher priorities will be called earlier */ |
151 | #ifndef EV_ATOMIC_T |
40 | #ifndef EV_MINPRI |
152 | # include <signal.h> |
41 | # define EV_MINPRI -2 |
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> |
42 | #endif |
160 | # endif |
43 | #ifndef EV_MAXPRI |
161 | # include <sys/stat.h> |
44 | # define EV_MAXPRI +2 |
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45 | #endif |
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46 | |
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47 | #ifndef EV_MULTIPLICITY |
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48 | # define EV_MULTIPLICITY 1 |
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49 | #endif |
162 | #endif |
50 | |
163 | |
51 | /* support multiple event loops? */ |
164 | /* support multiple event loops? */ |
52 | #if EV_MULTIPLICITY |
165 | #if EV_MULTIPLICITY |
53 | struct ev_loop; |
166 | struct ev_loop; |
54 | # define EV_P struct ev_loop *loop |
167 | # define EV_P struct ev_loop *loop /* a loop as sole parameter in a declaration */ |
55 | # define EV_P_ EV_P, |
168 | # define EV_P_ EV_P, /* a loop as first of multiple parameters */ |
56 | # define EV_A loop |
169 | # define EV_A loop /* a loop as sole argument to a function call */ |
57 | # define EV_A_ EV_A, |
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 */ |
58 | #else |
175 | #else |
59 | # define EV_P void |
176 | # define EV_P void |
60 | # define EV_P_ |
177 | # define EV_P_ |
61 | # define EV_A |
178 | # define EV_A |
62 | # define EV_A_ |
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 |
63 | #endif |
185 | #endif |
64 | |
186 | |
65 | /* eventmask, revents, events... */ |
187 | /* EV_INLINE is used for functions in header files */ |
66 | #define EV_UNDEF -1 /* guaranteed to be invalid */ |
188 | #if __STDC_VERSION__ >= 199901L || __GNUC__ >= 3 |
67 | #define EV_NONE 0x00 |
189 | # define EV_INLINE static inline |
68 | #define EV_READ 0x01 |
190 | #else |
69 | #define EV_WRITE 0x02 |
191 | # define EV_INLINE static |
70 | #define EV_TIMEOUT 0x000100 |
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71 | #define EV_PERIODIC 0x000200 |
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72 | #define EV_SIGNAL 0x000400 |
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73 | #define EV_IDLE 0x000800 |
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74 | #define EV_CHECK 0x001000 |
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75 | #define EV_PREPARE 0x002000 |
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76 | #define EV_CHILD 0x004000 |
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77 | #define EV_ERROR 0x800000 /* sent when an error occurs */ |
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78 | |
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79 | /* can be used to add custom fields to all watchers */ |
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80 | #ifndef EV_COMMON |
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81 | # define EV_COMMON void *data |
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82 | #endif |
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 */ |
83 | #ifndef EV_PROTOTYPES |
201 | #ifndef EV_PROTOTYPES |
84 | # define EV_PROTOTYPES 1 |
202 | # define EV_PROTOTYPES 1 |
85 | #endif |
203 | #endif |
86 | |
204 | |
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205 | /*****************************************************************************/ |
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206 | |
87 | #define EV_VERSION_MAJOR 1 |
207 | #define EV_VERSION_MAJOR 4 |
88 | #define EV_VERSION_MINOR 1 |
208 | #define EV_VERSION_MINOR 11 |
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209 | |
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210 | /* eventmask, revents, events... */ |
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211 | enum { |
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212 | EV_UNDEF = 0xFFFFFFFF, /* guaranteed to be invalid */ |
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213 | EV_NONE = 0x00, /* no events */ |
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214 | EV_READ = 0x01, /* ev_io detected read will not block */ |
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215 | EV_WRITE = 0x02, /* ev_io detected write will not block */ |
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216 | EV__IOFDSET = 0x80, /* internal use only */ |
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217 | EV_IO = EV_READ, /* alias for type-detection */ |
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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 = 0x80000000 /* sent when an error occurs */ |
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235 | }; |
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236 | |
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237 | /* can be used to add custom fields to all watchers, while losing binary compatibility */ |
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238 | #ifndef EV_COMMON |
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239 | # define EV_COMMON void *data; |
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240 | #endif |
89 | |
241 | |
90 | #ifndef EV_CB_DECLARE |
242 | #ifndef EV_CB_DECLARE |
91 | # define EV_CB_DECLARE(type) void (*cb)(EV_P_ struct type *w, int revents); |
243 | # define EV_CB_DECLARE(type) void (*cb)(EV_P_ struct type *w, int revents); |
92 | #endif |
244 | #endif |
93 | #ifndef EV_CB_INVOKE |
245 | #ifndef EV_CB_INVOKE |
94 | # define EV_CB_INVOKE(watcher,revents) (watcher)->cb (EV_A_ (watcher), (revents)) |
246 | # define EV_CB_INVOKE(watcher,revents) (watcher)->cb (EV_A_ (watcher), (revents)) |
95 | #endif |
247 | #endif |
96 | |
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) |
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251 | |
97 | /* |
252 | /* |
98 | * struct member types: |
253 | * struct member types: |
99 | * 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. |
100 | * 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. |
101 | * 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. |
102 | */ |
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 |
103 | |
274 | |
104 | /* shared by all watchers */ |
275 | /* shared by all watchers */ |
105 | #define EV_WATCHER(type) \ |
276 | #define EV_WATCHER(type) \ |
106 | int active; /* private */ \ |
277 | int active; /* private */ \ |
107 | int pending; /* private */ \ |
278 | int pending; /* private */ \ |
108 | int priority; /* private */ \ |
279 | EV_DECL_PRIORITY /* private */ \ |
109 | EV_COMMON; /* rw */ \ |
280 | EV_COMMON /* rw */ \ |
110 | EV_CB_DECLARE (type) /* private */ |
281 | EV_CB_DECLARE (type) /* private */ |
111 | |
282 | |
112 | #define EV_WATCHER_LIST(type) \ |
283 | #define EV_WATCHER_LIST(type) \ |
113 | EV_WATCHER (type); \ |
284 | EV_WATCHER (type) \ |
114 | struct ev_watcher_list *next /* private */ |
285 | struct ev_watcher_list *next; /* private */ |
115 | |
286 | |
116 | #define EV_WATCHER_TIME(type) \ |
287 | #define EV_WATCHER_TIME(type) \ |
117 | EV_WATCHER (type); \ |
288 | EV_WATCHER (type) \ |
118 | ev_tstamp at /* private */ |
289 | ev_tstamp at; /* private */ |
119 | |
290 | |
120 | /* base class, nothing to see here unless you subclass */ |
291 | /* base class, nothing to see here unless you subclass */ |
121 | struct ev_watcher |
292 | typedef struct ev_watcher |
122 | { |
293 | { |
123 | EV_WATCHER (ev_watcher); |
294 | EV_WATCHER (ev_watcher) |
124 | }; |
295 | } ev_watcher; |
125 | |
296 | |
126 | /* base class, nothing to see here unless you subclass */ |
297 | /* base class, nothing to see here unless you subclass */ |
127 | struct ev_watcher_list |
298 | typedef struct ev_watcher_list |
128 | { |
299 | { |
129 | EV_WATCHER_LIST (ev_watcher_list); |
300 | EV_WATCHER_LIST (ev_watcher_list) |
130 | }; |
301 | } ev_watcher_list; |
131 | |
302 | |
132 | /* base class, nothing to see here unless you subclass */ |
303 | /* base class, nothing to see here unless you subclass */ |
133 | struct ev_watcher_time |
304 | typedef struct ev_watcher_time |
134 | { |
305 | { |
135 | EV_WATCHER_TIME (ev_watcher_time); |
306 | EV_WATCHER_TIME (ev_watcher_time) |
136 | }; |
307 | } ev_watcher_time; |
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308 | |
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309 | /* invoked when fd is either EV_READable or EV_WRITEable */ |
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310 | /* revent EV_READ, EV_WRITE */ |
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311 | typedef struct ev_io |
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312 | { |
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313 | EV_WATCHER_LIST (ev_io) |
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314 | |
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315 | int fd; /* ro */ |
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316 | int events; /* ro */ |
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317 | } ev_io; |
137 | |
318 | |
138 | /* invoked after a specific time, repeatable (based on monotonic clock) */ |
319 | /* invoked after a specific time, repeatable (based on monotonic clock) */ |
139 | /* revent EV_TIMEOUT */ |
320 | /* revent EV_TIMEOUT */ |
140 | struct ev_timer |
321 | typedef struct ev_timer |
141 | { |
322 | { |
142 | EV_WATCHER_TIME (ev_timer); |
323 | EV_WATCHER_TIME (ev_timer) |
143 | |
324 | |
144 | ev_tstamp repeat; /* rw */ |
325 | ev_tstamp repeat; /* rw */ |
145 | }; |
326 | } ev_timer; |
146 | |
327 | |
147 | /* invoked at some specific time, possibly repeating at regular intervals (based on UTC) */ |
328 | /* invoked at some specific time, possibly repeating at regular intervals (based on UTC) */ |
148 | /* revent EV_PERIODIC */ |
329 | /* revent EV_PERIODIC */ |
149 | struct ev_periodic |
330 | typedef struct ev_periodic |
150 | { |
331 | { |
151 | EV_WATCHER_TIME (ev_periodic); |
332 | EV_WATCHER_TIME (ev_periodic) |
152 | |
333 | |
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334 | ev_tstamp offset; /* rw */ |
153 | ev_tstamp interval; /* rw */ |
335 | ev_tstamp interval; /* rw */ |
154 | ev_tstamp (*reschedule_cb)(struct ev_periodic *w, ev_tstamp now); /* rw */ |
336 | ev_tstamp (*reschedule_cb)(struct ev_periodic *w, ev_tstamp now) EV_THROW; /* rw */ |
155 | }; |
337 | } ev_periodic; |
156 | |
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157 | /* invoked when fd is either EV_READable or EV_WRITEable */ |
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158 | /* revent EV_READ, EV_WRITE */ |
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159 | struct ev_io |
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160 | { |
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161 | EV_WATCHER_LIST (ev_io); |
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162 | |
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163 | int fd; /* ro */ |
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164 | int events; /* ro */ |
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165 | }; |
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166 | |
338 | |
167 | /* invoked when the given signal has been received */ |
339 | /* invoked when the given signal has been received */ |
168 | /* revent EV_SIGNAL */ |
340 | /* revent EV_SIGNAL */ |
169 | struct ev_signal |
341 | typedef struct ev_signal |
170 | { |
342 | { |
171 | EV_WATCHER_LIST (ev_signal); |
343 | EV_WATCHER_LIST (ev_signal) |
172 | |
344 | |
173 | int signum; /* ro */ |
345 | int signum; /* ro */ |
174 | }; |
346 | } ev_signal; |
175 | |
347 | |
|
|
348 | /* invoked when sigchld is received and waitpid indicates the given pid */ |
|
|
349 | /* revent EV_CHILD */ |
|
|
350 | /* does not support priorities */ |
|
|
351 | typedef struct ev_child |
|
|
352 | { |
|
|
353 | EV_WATCHER_LIST (ev_child) |
|
|
354 | |
|
|
355 | int flags; /* private */ |
|
|
356 | int pid; /* ro */ |
|
|
357 | int rpid; /* rw, holds the received pid */ |
|
|
358 | int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */ |
|
|
359 | } ev_child; |
|
|
360 | |
|
|
361 | #if EV_STAT_ENABLE |
|
|
362 | /* st_nlink = 0 means missing file or other error */ |
|
|
363 | # ifdef _WIN32 |
|
|
364 | typedef struct _stati64 ev_statdata; |
|
|
365 | # else |
|
|
366 | typedef struct stat ev_statdata; |
|
|
367 | # endif |
|
|
368 | |
|
|
369 | /* invoked each time the stat data changes for a given path */ |
|
|
370 | /* revent EV_STAT */ |
|
|
371 | typedef struct ev_stat |
|
|
372 | { |
|
|
373 | EV_WATCHER_LIST (ev_stat) |
|
|
374 | |
|
|
375 | ev_timer timer; /* private */ |
|
|
376 | ev_tstamp interval; /* ro */ |
|
|
377 | const char *path; /* ro */ |
|
|
378 | ev_statdata prev; /* ro */ |
|
|
379 | ev_statdata attr; /* ro */ |
|
|
380 | |
|
|
381 | int wd; /* wd for inotify, fd for kqueue */ |
|
|
382 | } ev_stat; |
|
|
383 | #endif |
|
|
384 | |
|
|
385 | #if EV_IDLE_ENABLE |
176 | /* invoked when the nothing else needs to be done, keeps the process from blocking */ |
386 | /* invoked when the nothing else needs to be done, keeps the process from blocking */ |
177 | /* revent EV_IDLE */ |
387 | /* revent EV_IDLE */ |
178 | struct ev_idle |
388 | typedef struct ev_idle |
179 | { |
389 | { |
180 | EV_WATCHER (ev_idle); |
390 | EV_WATCHER (ev_idle) |
181 | }; |
391 | } ev_idle; |
|
|
392 | #endif |
182 | |
393 | |
183 | /* invoked for each run of the mainloop, just before the blocking call */ |
394 | /* invoked for each run of the mainloop, just before the blocking call */ |
184 | /* you can still change events in any way you like */ |
395 | /* you can still change events in any way you like */ |
185 | /* revent EV_PREPARE */ |
396 | /* revent EV_PREPARE */ |
186 | struct ev_prepare |
397 | typedef struct ev_prepare |
187 | { |
398 | { |
188 | EV_WATCHER (ev_prepare); |
399 | EV_WATCHER (ev_prepare) |
189 | }; |
400 | } ev_prepare; |
190 | |
401 | |
191 | /* invoked for each run of the mainloop, just after the blocking call */ |
402 | /* invoked for each run of the mainloop, just after the blocking call */ |
192 | /* revent EV_CHECK */ |
403 | /* revent EV_CHECK */ |
193 | struct ev_check |
404 | typedef struct ev_check |
194 | { |
405 | { |
195 | EV_WATCHER (ev_check); |
406 | EV_WATCHER (ev_check) |
196 | }; |
407 | } ev_check; |
197 | |
408 | |
198 | /* invoked when sigchld is received and waitpid indicates the givne pid */ |
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 */ |
199 | /* revent EV_CHILD */ |
420 | /* revent EV_CLEANUP */ |
200 | /* does not support priorities */ |
421 | typedef struct ev_cleanup |
201 | struct ev_child |
|
|
202 | { |
422 | { |
203 | EV_WATCHER_LIST (ev_child); |
423 | EV_WATCHER (ev_cleanup) |
|
|
424 | } ev_cleanup; |
|
|
425 | #endif |
204 | |
426 | |
205 | int pid; /* ro */ |
427 | #if EV_EMBED_ENABLE |
206 | int rpid; /* rw, holds the received pid */ |
428 | /* used to embed an event loop inside another */ |
207 | int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */ |
429 | /* the callback gets invoked when the event loop has handled events, and can be 0 */ |
208 | }; |
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 |
209 | |
460 | |
210 | /* the presence of this union forces similar struct layout */ |
461 | /* the presence of this union forces similar struct layout */ |
211 | union ev_any_watcher |
462 | union ev_any_watcher |
212 | { |
463 | { |
213 | struct ev_watcher w; |
464 | struct ev_watcher w; |
214 | struct ev_watcher_list wl; |
465 | struct ev_watcher_list wl; |
215 | |
466 | |
216 | struct ev_io io; |
467 | struct ev_io io; |
217 | struct ev_timer timer; |
468 | struct ev_timer timer; |
218 | struct ev_periodic periodic; |
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 |
219 | struct ev_idle idle; |
476 | struct ev_idle idle; |
|
|
477 | #endif |
220 | struct ev_prepare prepare; |
478 | struct ev_prepare prepare; |
221 | struct ev_check check; |
479 | struct ev_check check; |
222 | struct ev_signal signal; |
480 | #if EV_FORK_ENABLE |
223 | struct ev_child child; |
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 |
224 | }; |
492 | }; |
225 | |
493 | |
226 | #define EVMETHOD_AUTO 0 /* consults environment */ |
494 | /* flag bits for ev_default_loop and ev_loop_new */ |
227 | #define EVMETHOD_SELECT 1 |
495 | enum { |
228 | #define EVMETHOD_POLL 2 |
496 | /* the default */ |
229 | #define EVMETHOD_EPOLL 4 |
497 | EVFLAG_AUTO = 0x00000000U, /* not quite a mask */ |
230 | #define EVMETHOD_KQUEUE 8 |
498 | /* flag bits */ |
231 | #define EVMETHOD_DEVPOLL 16 /* NYI */ |
499 | EVFLAG_NOENV = 0x01000000U, /* do NOT consult environment */ |
232 | #define EVMETHOD_PORT 32 /* NYI */ |
500 | EVFLAG_FORKCHECK = 0x02000000U, /* check for a fork in each iteration */ |
233 | #define EVMETHOD_WIN32 64 /* NYI */ |
501 | /* debugging/feature disable */ |
234 | #define EVMETHOD_ANY ~0 /* any method, do not consult env */ |
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 */ |
|
|
508 | }; |
|
|
509 | |
|
|
510 | /* method bits to be ored together */ |
|
|
511 | enum { |
|
|
512 | EVBACKEND_SELECT = 0x00000001U, /* about anywhere */ |
|
|
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 */ |
|
|
520 | }; |
235 | |
521 | |
236 | #if EV_PROTOTYPES |
522 | #if EV_PROTOTYPES |
237 | int ev_version_major (void); |
523 | EV_API_DECL int ev_version_major (void) EV_THROW; |
238 | int ev_version_minor (void); |
524 | EV_API_DECL int ev_version_minor (void) EV_THROW; |
239 | |
525 | |
240 | ev_tstamp ev_time (void); |
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 */ |
241 | |
532 | |
242 | /* Sets the allocation function to use, works like realloc. |
533 | /* Sets the allocation function to use, works like realloc. |
243 | * It is used to allocate and free memory. |
534 | * It is used to allocate and free memory. |
244 | * If it returns zero when memory needs to be allocated, the library might abort |
535 | * If it returns zero when memory needs to be allocated, the library might abort |
245 | * or take some potentially destructive action. |
536 | * or take some potentially destructive action. |
246 | * The default is your system realloc function. |
537 | * The default is your system realloc function. |
247 | */ |
538 | */ |
248 | void ev_set_allocator (void *(*cb)(void *ptr, long size)); |
539 | EV_API_DECL void ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW; |
249 | |
540 | |
250 | /* set the callback function to call on a |
541 | /* set the callback function to call on a |
251 | * retryable syscall error |
542 | * retryable syscall error |
252 | * (such as failed select, poll, epoll_wait) |
543 | * (such as failed select, poll, epoll_wait) |
253 | */ |
544 | */ |
254 | void ev_set_syserr_cb (void (*cb)(const char *msg)); |
545 | EV_API_DECL void ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW; |
255 | |
546 | |
256 | # if EV_MULTIPLICITY |
547 | #if EV_MULTIPLICITY |
|
|
548 | |
257 | /* the default loop is the only one that handles signals and child watchers */ |
549 | /* the default loop is the only one that handles signals and child watchers */ |
258 | /* you can call this as often as you like */ |
550 | /* you can call this as often as you like */ |
259 | struct ev_loop *ev_default_loop (int methods); /* returns default loop */ |
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 |
|
|
559 | { |
|
|
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 | } |
260 | |
570 | |
261 | /* create and destroy alternative loops that don't handle signals */ |
571 | /* create and destroy alternative loops that don't handle signals */ |
262 | struct ev_loop *ev_loop_new (int methods); |
572 | EV_API_DECL struct ev_loop *ev_loop_new (unsigned int flags EV_CPP (= 0)) EV_THROW; |
263 | void ev_loop_destroy (EV_P); |
|
|
264 | void ev_loop_fork (EV_P); |
|
|
265 | |
573 | |
266 | ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */ |
574 | EV_API_DECL ev_tstamp ev_now (EV_P) EV_THROW; /* time w.r.t. timers and the eventloop, updated after each poll */ |
267 | |
575 | |
268 | # else |
576 | #else |
269 | |
577 | |
270 | int ev_default_loop (int methods); /* returns true when successful */ |
578 | EV_API_DECL int ev_default_loop (unsigned int flags EV_CPP (= 0)) EV_THROW; /* returns true when successful */ |
271 | |
579 | |
272 | static ev_tstamp |
580 | EV_API_DECL ev_tstamp ev_rt_now; |
273 | ev_now () |
|
|
274 | { |
|
|
275 | extern ev_tstamp ev_rt_now; |
|
|
276 | |
581 | |
|
|
582 | EV_INLINE ev_tstamp |
|
|
583 | ev_now (void) EV_THROW |
|
|
584 | { |
277 | return ev_rt_now; |
585 | return ev_rt_now; |
278 | } |
586 | } |
279 | # endif |
|
|
280 | |
587 | |
281 | void ev_default_destroy (void); /* destroy the default loop */ |
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 | |
282 | /* this needs to be called after fork, to duplicate the default loop */ |
600 | /* this needs to be called after fork, to duplicate the loop */ |
283 | /* if you create alternative loops you have to call ev_loop_fork on them */ |
601 | /* when you want to re-use it in the child */ |
284 | /* you can call it in either the parent or the child */ |
602 | /* you can call it in either the parent or the child */ |
285 | /* you can actually call it at any time, anywhere :) */ |
603 | /* you can actually call it at any time, anywhere :) */ |
286 | void ev_default_fork (void); |
604 | EV_API_DECL void ev_loop_fork (EV_P) EV_THROW; |
287 | |
605 | |
288 | int ev_method (EV_P); |
606 | EV_API_DECL unsigned int ev_backend (EV_P) EV_THROW; /* backend in use by loop */ |
289 | #endif |
|
|
290 | |
607 | |
291 | #define EVLOOP_NONBLOCK 1 /* do not block/wait */ |
608 | EV_API_DECL void ev_now_update (EV_P) EV_THROW; /* update event loop time */ |
292 | #define EVLOOP_ONESHOT 2 /* block *once* only */ |
609 | |
293 | #define EVUNLOOP_ONCE 1 /* unloop once */ |
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 */ |
|
|
623 | }; |
|
|
624 | |
|
|
625 | /* ev_break how values */ |
|
|
626 | enum { |
|
|
627 | EVBREAK_CANCEL = 0, /* undo unloop */ |
|
|
628 | EVBREAK_ONE = 1, /* unloop once */ |
294 | #define EVUNLOOP_ALL 2 /* unloop all loops */ |
629 | EVBREAK_ALL = 2 /* unloop all loops */ |
|
|
630 | }; |
295 | |
631 | |
296 | #if EV_PROTOTYPES |
632 | #if EV_PROTOTYPES |
297 | void ev_loop (EV_P_ int flags); |
633 | EV_API_DECL int ev_run (EV_P_ int flags EV_CPP (= 0)); |
298 | 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 */ |
634 | EV_API_DECL void ev_break (EV_P_ int how EV_CPP (= EVBREAK_ONE)) EV_THROW; /* break out of the loop */ |
299 | |
635 | |
300 | /* |
636 | /* |
301 | * ref/unref can be used to add or remove a refcount on the mainloop. every watcher |
637 | * ref/unref can be used to add or remove a refcount on the mainloop. every watcher |
302 | * keeps one reference. if you have a long-runing watcher you never unregister that |
638 | * keeps one reference. if you have a long-running watcher you never unregister that |
303 | * should not keep ev_loop from running, unref() after starting, and ref() before stopping. |
639 | * should not keep ev_loop from running, unref() after starting, and ref() before stopping. |
304 | */ |
640 | */ |
305 | void ev_ref (EV_P); |
641 | EV_API_DECL void ev_ref (EV_P) EV_THROW; |
306 | void ev_unref (EV_P); |
642 | EV_API_DECL void ev_unref (EV_P) EV_THROW; |
307 | |
643 | |
|
|
644 | /* |
308 | /* convinience function, wait for a single event, without registering an event watcher */ |
645 | * convenience function, wait for a single event, without registering an event watcher |
309 | /* if timeout is < 0, do wait indefinitely */ |
646 | * if timeout is < 0, do wait indefinitely |
|
|
647 | */ |
310 | void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg); |
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 | EV_API_DECL void ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) EV_THROW; |
|
|
662 | EV_API_DECL void ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P) EV_THROW) EV_THROW; |
|
|
663 | |
|
|
664 | EV_API_DECL unsigned int ev_pending_count (EV_P) EV_THROW; /* number of pending events, if any */ |
|
|
665 | EV_API_DECL void ev_invoke_pending (EV_P); /* invoke all pending watchers */ |
|
|
666 | |
|
|
667 | /* |
|
|
668 | * stop/start the timer handling. |
|
|
669 | */ |
|
|
670 | EV_API_DECL void ev_suspend (EV_P) EV_THROW; |
|
|
671 | EV_API_DECL void ev_resume (EV_P) EV_THROW; |
|
|
672 | #endif |
|
|
673 | |
311 | #endif |
674 | #endif |
312 | |
675 | |
313 | /* these may evaluate ev multiple times, and the other arguments at most once */ |
676 | /* these may evaluate ev multiple times, and the other arguments at most once */ |
314 | /* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */ |
677 | /* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */ |
315 | #define ev_init(ev,cb_) do { \ |
678 | #define ev_init(ev,cb_) do { \ |
316 | ((struct ev_watcher *)(void *)(ev))->active = \ |
679 | ((ev_watcher *)(void *)(ev))->active = \ |
317 | ((struct ev_watcher *)(void *)(ev))->pending = \ |
680 | ((ev_watcher *)(void *)(ev))->pending = 0; \ |
318 | ((struct ev_watcher *)(void *)(ev))->priority = 0; \ |
681 | ev_set_priority ((ev), 0); \ |
319 | ev_set_cb ((ev), cb_); \ |
682 | ev_set_cb ((ev), cb_); \ |
320 | } while (0) |
683 | } while (0) |
321 | |
684 | |
322 | #define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_); } while (0) |
685 | #define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_) | EV__IOFDSET; } while (0) |
323 | #define ev_timer_set(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); } while (0) |
686 | #define ev_timer_set(ev,after_,repeat_) do { ((ev_watcher_time *)(ev))->at = (after_); (ev)->repeat = (repeat_); } while (0) |
324 | #define ev_periodic_set(ev,at_,ival_,res_) do { (ev)->at = (at_); (ev)->interval = (ival_); (ev)->reschedule_cb= (res_); } while (0) |
687 | #define ev_periodic_set(ev,ofs_,ival_,rcb_) do { (ev)->offset = (ofs_); (ev)->interval = (ival_); (ev)->reschedule_cb = (rcb_); } while (0) |
325 | #define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0) |
688 | #define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0) |
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689 | #define ev_child_set(ev,pid_,trace_) do { (ev)->pid = (pid_); (ev)->flags = !!(trace_); } while (0) |
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690 | #define ev_stat_set(ev,path_,interval_) do { (ev)->path = (path_); (ev)->interval = (interval_); (ev)->wd = -2; } while (0) |
326 | #define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */ |
691 | #define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */ |
327 | #define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */ |
692 | #define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */ |
328 | #define ev_check_set(ev) /* nop, yes, this is a serious in-joke */ |
693 | #define ev_check_set(ev) /* nop, yes, this is a serious in-joke */ |
329 | #define ev_child_set(ev,pid_) do { (ev)->pid = (pid_); } while (0) |
694 | #define ev_embed_set(ev,other_) do { (ev)->other = (other_); } while (0) |
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695 | #define ev_fork_set(ev) /* nop, yes, this is a serious in-joke */ |
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696 | #define ev_cleanup_set(ev) /* nop, yes, this is a serious in-joke */ |
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697 | #define ev_async_set(ev) /* nop, yes, this is a serious in-joke */ |
330 | |
698 | |
331 | #define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0) |
699 | #define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0) |
332 | #define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0) |
700 | #define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0) |
333 | #define ev_periodic_init(ev,cb,at,ival,res) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(at),(ival),(res)); } while (0) |
701 | #define ev_periodic_init(ev,cb,ofs,ival,rcb) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(ofs),(ival),(rcb)); } while (0) |
334 | #define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0) |
702 | #define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0) |
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703 | #define ev_child_init(ev,cb,pid,trace) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid),(trace)); } while (0) |
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704 | #define ev_stat_init(ev,cb,path,interval) do { ev_init ((ev), (cb)); ev_stat_set ((ev),(path),(interval)); } while (0) |
335 | #define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0) |
705 | #define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0) |
336 | #define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0) |
706 | #define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0) |
337 | #define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0) |
707 | #define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0) |
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708 | #define ev_embed_init(ev,cb,other) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(other)); } while (0) |
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709 | #define ev_fork_init(ev,cb) do { ev_init ((ev), (cb)); ev_fork_set ((ev)); } while (0) |
338 | #define ev_child_init(ev,cb,pid) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid)); } while (0) |
710 | #define ev_cleanup_init(ev,cb) do { ev_init ((ev), (cb)); ev_cleanup_set ((ev)); } while (0) |
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711 | #define ev_async_init(ev,cb) do { ev_init ((ev), (cb)); ev_async_set ((ev)); } while (0) |
339 | |
712 | |
340 | #define ev_is_pending(ev) (0 + ((struct ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */ |
713 | #define ev_is_pending(ev) (0 + ((ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */ |
341 | #define ev_is_active(ev) (0 + ((struct ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */ |
714 | #define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */ |
342 | |
715 | |
343 | #define ev_priority(ev) ((struct ev_watcher *)(void *)(ev))->priority /* rw */ |
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344 | #define ev_cb(ev) (ev)->cb /* rw */ |
716 | #define ev_cb(ev) (ev)->cb /* rw */ |
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717 | |
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718 | #if EV_MINPRI == EV_MAXPRI |
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719 | # define ev_priority(ev) ((ev), EV_MINPRI) |
345 | #define ev_set_priority(ev,pri) ev_priority (ev) = (pri) |
720 | # define ev_set_priority(ev,pri) ((ev), (pri)) |
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721 | #else |
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722 | # define ev_priority(ev) (+(((ev_watcher *)(void *)(ev))->priority)) |
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723 | # define ev_set_priority(ev,pri) ( (ev_watcher *)(void *)(ev))->priority = (pri) |
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724 | #endif |
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725 | |
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726 | #define ev_periodic_at(ev) (+((ev_watcher_time *)(ev))->at) |
346 | |
727 | |
347 | #ifndef ev_set_cb |
728 | #ifndef ev_set_cb |
348 | # define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_) |
729 | # define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_) |
349 | #endif |
730 | #endif |
350 | |
731 | |
351 | /* stopping (enabling, adding) a watcher does nothing if it is already running */ |
732 | /* stopping (enabling, adding) a watcher does nothing if it is already running */ |
352 | /* stopping (disabling, deleting) a watcher does nothing unless its already running */ |
733 | /* stopping (disabling, deleting) a watcher does nothing unless its already running */ |
353 | #if EV_PROTOTYPES |
734 | #if EV_PROTOTYPES |
354 | |
735 | |
355 | /* feeds an event into a watcher as if the event actually occured */ |
736 | /* feeds an event into a watcher as if the event actually occurred */ |
356 | /* accepts any ev_watcher type */ |
737 | /* accepts any ev_watcher type */ |
357 | void ev_feed_event (EV_P_ void *w, int revents); |
738 | EV_API_DECL void ev_feed_event (EV_P_ void *w, int revents) EV_THROW; |
358 | void ev_feed_fd_event (EV_P_ int fd, int revents); |
739 | EV_API_DECL void ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW; |
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740 | #if EV_SIGNAL_ENABLE |
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741 | EV_API_DECL void ev_feed_signal (int signum) EV_THROW; |
359 | void ev_feed_signal_event (EV_P_ int signum); |
742 | EV_API_DECL void ev_feed_signal_event (EV_P_ int signum) EV_THROW; |
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|
743 | #endif |
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744 | EV_API_DECL void ev_invoke (EV_P_ void *w, int revents); |
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745 | EV_API_DECL int ev_clear_pending (EV_P_ void *w) EV_THROW; |
360 | |
746 | |
361 | void ev_io_start (EV_P_ struct ev_io *w); |
747 | EV_API_DECL void ev_io_start (EV_P_ ev_io *w) EV_THROW; |
362 | void ev_io_stop (EV_P_ struct ev_io *w); |
748 | EV_API_DECL void ev_io_stop (EV_P_ ev_io *w) EV_THROW; |
363 | |
749 | |
364 | void ev_timer_start (EV_P_ struct ev_timer *w); |
750 | EV_API_DECL void ev_timer_start (EV_P_ ev_timer *w) EV_THROW; |
365 | void ev_timer_stop (EV_P_ struct ev_timer *w); |
751 | EV_API_DECL void ev_timer_stop (EV_P_ ev_timer *w) EV_THROW; |
366 | /* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */ |
752 | /* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */ |
367 | void ev_timer_again (EV_P_ struct ev_timer *w); |
753 | EV_API_DECL void ev_timer_again (EV_P_ ev_timer *w) EV_THROW; |
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|
754 | /* return remaining time */ |
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|
755 | EV_API_DECL ev_tstamp ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW; |
368 | |
756 | |
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|
757 | #if EV_PERIODIC_ENABLE |
369 | void ev_periodic_start (EV_P_ struct ev_periodic *w); |
758 | EV_API_DECL void ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW; |
370 | void ev_periodic_stop (EV_P_ struct ev_periodic *w); |
759 | EV_API_DECL void ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW; |
371 | void ev_periodic_again (EV_P_ struct ev_periodic *w); |
760 | EV_API_DECL void ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW; |
372 | |
761 | #endif |
373 | void ev_idle_start (EV_P_ struct ev_idle *w); |
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|
374 | void ev_idle_stop (EV_P_ struct ev_idle *w); |
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375 | |
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|
376 | void ev_prepare_start (EV_P_ struct ev_prepare *w); |
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377 | void ev_prepare_stop (EV_P_ struct ev_prepare *w); |
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|
378 | |
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|
379 | void ev_check_start (EV_P_ struct ev_check *w); |
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|
380 | void ev_check_stop (EV_P_ struct ev_check *w); |
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|
381 | |
762 | |
382 | /* only supported in the default loop */ |
763 | /* only supported in the default loop */ |
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|
764 | #if EV_SIGNAL_ENABLE |
383 | void ev_signal_start (EV_P_ struct ev_signal *w); |
765 | EV_API_DECL void ev_signal_start (EV_P_ ev_signal *w) EV_THROW; |
384 | void ev_signal_stop (EV_P_ struct ev_signal *w); |
766 | EV_API_DECL void ev_signal_stop (EV_P_ ev_signal *w) EV_THROW; |
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|
767 | #endif |
385 | |
768 | |
386 | /* only supported in the default loop */ |
769 | /* only supported in the default loop */ |
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|
770 | # if EV_CHILD_ENABLE |
387 | void ev_child_start (EV_P_ struct ev_child *w); |
771 | EV_API_DECL void ev_child_start (EV_P_ ev_child *w) EV_THROW; |
388 | void ev_child_stop (EV_P_ struct ev_child *w); |
772 | EV_API_DECL void ev_child_stop (EV_P_ ev_child *w) EV_THROW; |
389 | #endif |
773 | # endif |
390 | |
774 | |
391 | #ifdef __cplusplus |
775 | # if EV_STAT_ENABLE |
392 | } |
776 | EV_API_DECL void ev_stat_start (EV_P_ ev_stat *w) EV_THROW; |
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777 | EV_API_DECL void ev_stat_stop (EV_P_ ev_stat *w) EV_THROW; |
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778 | EV_API_DECL void ev_stat_stat (EV_P_ ev_stat *w) EV_THROW; |
393 | #endif |
779 | # endif |
394 | |
780 | |
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|
781 | # if EV_IDLE_ENABLE |
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782 | EV_API_DECL void ev_idle_start (EV_P_ ev_idle *w) EV_THROW; |
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|
783 | EV_API_DECL void ev_idle_stop (EV_P_ ev_idle *w) EV_THROW; |
395 | #endif |
784 | # endif |
396 | |
785 | |
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|
786 | #if EV_PREPARE_ENABLE |
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|
787 | EV_API_DECL void ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW; |
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|
788 | EV_API_DECL void ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW; |
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|
789 | #endif |
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|
790 | |
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|
791 | #if EV_CHECK_ENABLE |
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|
792 | EV_API_DECL void ev_check_start (EV_P_ ev_check *w) EV_THROW; |
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|
793 | EV_API_DECL void ev_check_stop (EV_P_ ev_check *w) EV_THROW; |
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794 | #endif |
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795 | |
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796 | # if EV_FORK_ENABLE |
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797 | EV_API_DECL void ev_fork_start (EV_P_ ev_fork *w) EV_THROW; |
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798 | EV_API_DECL void ev_fork_stop (EV_P_ ev_fork *w) EV_THROW; |
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799 | # endif |
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800 | |
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|
801 | # if EV_CLEANUP_ENABLE |
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|
802 | EV_API_DECL void ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW; |
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|
803 | EV_API_DECL void ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW; |
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|
804 | # endif |
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|
805 | |
|
|
806 | # if EV_EMBED_ENABLE |
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|
807 | /* only supported when loop to be embedded is in fact embeddable */ |
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|
808 | EV_API_DECL void ev_embed_start (EV_P_ ev_embed *w) EV_THROW; |
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|
809 | EV_API_DECL void ev_embed_stop (EV_P_ ev_embed *w) EV_THROW; |
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810 | EV_API_DECL void ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW; |
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|
811 | # endif |
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|
812 | |
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|
813 | # if EV_ASYNC_ENABLE |
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|
814 | EV_API_DECL void ev_async_start (EV_P_ ev_async *w) EV_THROW; |
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|
815 | EV_API_DECL void ev_async_stop (EV_P_ ev_async *w) EV_THROW; |
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|
816 | EV_API_DECL void ev_async_send (EV_P_ ev_async *w) EV_THROW; |
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|
817 | # endif |
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|
818 | |
|
|
819 | #if EV_COMPAT3 |
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|
820 | #define EVLOOP_NONBLOCK EVRUN_NOWAIT |
|
|
821 | #define EVLOOP_ONESHOT EVRUN_ONCE |
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|
822 | #define EVUNLOOP_CANCEL EVBREAK_CANCEL |
|
|
823 | #define EVUNLOOP_ONE EVBREAK_ONE |
|
|
824 | #define EVUNLOOP_ALL EVBREAK_ALL |
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|
825 | #if EV_PROTOTYPES |
|
|
826 | EV_INLINE void ev_loop (EV_P_ int flags) { ev_run (EV_A_ flags); } |
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|
827 | EV_INLINE void ev_unloop (EV_P_ int how ) { ev_break (EV_A_ how ); } |
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|
828 | EV_INLINE void ev_default_destroy (void) { ev_loop_destroy (EV_DEFAULT); } |
|
|
829 | EV_INLINE void ev_default_fork (void) { ev_loop_fork (EV_DEFAULT); } |
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|
830 | #if EV_FEATURE_API |
|
|
831 | EV_INLINE unsigned int ev_loop_count (EV_P) { return ev_iteration (EV_A); } |
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|
832 | EV_INLINE unsigned int ev_loop_depth (EV_P) { return ev_depth (EV_A); } |
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|
833 | EV_INLINE void ev_loop_verify (EV_P) { ev_verify (EV_A); } |
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|
834 | #endif |
|
|
835 | #endif |
|
|
836 | #else |
|
|
837 | typedef struct ev_loop ev_loop; |
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|
838 | #endif |
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|
839 | |
|
|
840 | #endif |
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|
841 | |
|
|
842 | EV_CPP(}) |
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|
843 | |
|
|
844 | #endif |
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|
845 | |