1 | /* |
1 | /* |
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2 | * libev native API header |
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3 | * |
2 | * Copyright (c) 2007 Marc Alexander Lehmann <libev@schmorp.de> |
4 | * Copyright (c) 2007,2008,2009,2010 Marc Alexander Lehmann <libev@schmorp.de> |
3 | * All rights reserved. |
5 | * All rights reserved. |
4 | * |
6 | * |
5 | * Redistribution and use in source and binary forms, with or without |
7 | * Redistribution and use in source and binary forms, with or without modifica- |
6 | * modification, are permitted provided that the following conditions are |
8 | * tion, are permitted provided that the following conditions are met: |
7 | * met: |
9 | * |
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10 | * 1. Redistributions of source code must retain the above copyright notice, |
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11 | * this list of conditions and the following disclaimer. |
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12 | * |
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13 | * 2. Redistributions in binary form must reproduce the above copyright |
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14 | * notice, this list of conditions and the following disclaimer in the |
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15 | * documentation and/or other materials provided with the distribution. |
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16 | * |
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17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED |
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18 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER- |
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19 | * CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO |
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20 | * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE- |
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21 | * CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
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22 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
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23 | * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
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24 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH- |
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25 | * ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
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26 | * OF THE POSSIBILITY OF SUCH DAMAGE. |
8 | * |
27 | * |
9 | * * Redistributions of source code must retain the above copyright |
28 | * Alternatively, the contents of this file may be used under the terms of |
10 | * notice, this list of conditions and the following disclaimer. |
29 | * the GNU General Public License ("GPL") version 2 or any later version, |
11 | * |
30 | * in which case the provisions of the GPL are applicable instead of |
12 | * * Redistributions in binary form must reproduce the above |
31 | * the above. If you wish to allow the use of your version of this file |
13 | * copyright notice, this list of conditions and the following |
32 | * only under the terms of the GPL and not to allow others to use your |
14 | * disclaimer in the documentation and/or other materials provided |
33 | * version of this file under the BSD license, indicate your decision |
15 | * with the distribution. |
34 | * by deleting the provisions above and replace them with the notice |
16 | * |
35 | * and other provisions required by the GPL. If you do not delete the |
17 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
36 | * provisions above, a recipient may use your version of this file under |
18 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
37 | * either the BSD or the GPL. |
19 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
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20 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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21 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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22 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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23 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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24 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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25 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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26 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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27 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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28 | */ |
38 | */ |
29 | |
39 | |
30 | #ifndef EV_H__ |
40 | #ifndef EV_H_ |
31 | #define EV_H__ |
41 | #define EV_H_ |
32 | |
42 | |
33 | #ifdef __cplusplus |
43 | #ifdef __cplusplus |
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44 | # define EV_CPP(x) x |
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45 | #else |
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46 | # define EV_CPP(x) |
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47 | #endif |
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48 | |
34 | extern "C" { |
49 | EV_CPP(extern "C" {) |
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50 | |
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51 | /*****************************************************************************/ |
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52 | |
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53 | /* pre-4.0 compatibility */ |
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54 | #ifndef EV_COMPAT3 |
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55 | # define EV_COMPAT3 1 |
35 | #endif |
56 | #endif |
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57 | |
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58 | #ifndef EV_FEATURES |
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59 | # define EV_FEATURES 0x7f |
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60 | #endif |
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61 | |
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62 | #define EV_FEATURE_CODE ((EV_FEATURES) & 1) |
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63 | #define EV_FEATURE_DATA ((EV_FEATURES) & 2) |
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64 | #define EV_FEATURE_CONFIG ((EV_FEATURES) & 4) |
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65 | #define EV_FEATURE_API ((EV_FEATURES) & 8) |
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66 | #define EV_FEATURE_WATCHERS ((EV_FEATURES) & 16) |
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67 | #define EV_FEATURE_BACKENDS ((EV_FEATURES) & 32) |
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68 | #define EV_FEATURE_OS ((EV_FEATURES) & 64) |
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69 | |
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70 | /* these priorities are inclusive, higher priorities will be invoked earlier */ |
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71 | #ifndef EV_MINPRI |
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72 | # define EV_MINPRI (EV_FEATURE_CONFIG ? -2 : 0) |
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73 | #endif |
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74 | #ifndef EV_MAXPRI |
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75 | # define EV_MAXPRI (EV_FEATURE_CONFIG ? +2 : 0) |
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76 | #endif |
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77 | |
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78 | #ifndef EV_MULTIPLICITY |
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79 | # define EV_MULTIPLICITY EV_FEATURE_CONFIG |
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80 | #endif |
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81 | |
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82 | #ifndef EV_PERIODIC_ENABLE |
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83 | # define EV_PERIODIC_ENABLE EV_FEATURE_WATCHERS |
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84 | #endif |
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85 | |
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86 | #ifndef EV_STAT_ENABLE |
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87 | # define EV_STAT_ENABLE EV_FEATURE_WATCHERS |
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88 | #endif |
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89 | |
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90 | #ifndef EV_PREPARE_ENABLE |
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91 | # define EV_PREPARE_ENABLE EV_FEATURE_WATCHERS |
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92 | #endif |
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93 | |
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94 | #ifndef EV_CHECK_ENABLE |
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95 | # define EV_CHECK_ENABLE EV_FEATURE_WATCHERS |
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96 | #endif |
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97 | |
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98 | #ifndef EV_IDLE_ENABLE |
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99 | # define EV_IDLE_ENABLE EV_FEATURE_WATCHERS |
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100 | #endif |
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101 | |
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102 | #ifndef EV_FORK_ENABLE |
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103 | # define EV_FORK_ENABLE EV_FEATURE_WATCHERS |
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104 | #endif |
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105 | |
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106 | #ifndef EV_CLEANUP_ENABLE |
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107 | # define EV_CLEANUP_ENABLE EV_FEATURE_WATCHERS |
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108 | #endif |
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109 | |
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110 | #ifndef EV_SIGNAL_ENABLE |
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111 | # define EV_SIGNAL_ENABLE EV_FEATURE_WATCHERS |
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112 | #endif |
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113 | |
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114 | #ifndef EV_CHILD_ENABLE |
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115 | # ifdef _WIN32 |
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116 | # define EV_CHILD_ENABLE 0 |
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117 | # else |
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118 | # define EV_CHILD_ENABLE EV_FEATURE_WATCHERS |
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119 | #endif |
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120 | #endif |
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121 | |
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122 | #ifndef EV_ASYNC_ENABLE |
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123 | # define EV_ASYNC_ENABLE EV_FEATURE_WATCHERS |
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124 | #endif |
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125 | |
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126 | #ifndef EV_EMBED_ENABLE |
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127 | # define EV_EMBED_ENABLE EV_FEATURE_WATCHERS |
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128 | #endif |
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129 | |
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130 | #ifndef EV_WALK_ENABLE |
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131 | # define EV_WALK_ENABLE 0 /* not yet */ |
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132 | #endif |
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133 | |
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134 | /*****************************************************************************/ |
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135 | |
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136 | #if EV_CHILD_ENABLE && !EV_SIGNAL_ENABLE |
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137 | # undef EV_SIGNAL_ENABLE |
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138 | # define EV_SIGNAL_ENABLE 1 |
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139 | #endif |
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140 | |
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141 | /*****************************************************************************/ |
36 | |
142 | |
37 | typedef double ev_tstamp; |
143 | typedef double ev_tstamp; |
38 | |
144 | |
39 | /* these priorities are inclusive, higher priorities will be called earlier */ |
145 | #ifndef EV_ATOMIC_T |
40 | #ifndef EV_MINPRI |
146 | # include <signal.h> |
41 | # define EV_MINPRI -2 |
147 | # define EV_ATOMIC_T sig_atomic_t volatile |
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148 | #endif |
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149 | |
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150 | #if EV_STAT_ENABLE |
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151 | # ifdef _WIN32 |
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152 | # include <time.h> |
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153 | # include <sys/types.h> |
42 | #endif |
154 | # endif |
43 | #ifndef EV_MAXPRI |
155 | # include <sys/stat.h> |
44 | # define EV_MAXPRI +2 |
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45 | #endif |
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46 | |
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47 | #ifndef EV_MULTIPLICITY |
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48 | # define EV_MULTIPLICITY 1 |
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49 | #endif |
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50 | |
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51 | #ifndef EV_PERIODICS |
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52 | # define EV_PERIODICS 1 |
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53 | #endif |
156 | #endif |
54 | |
157 | |
55 | /* support multiple event loops? */ |
158 | /* support multiple event loops? */ |
56 | #if EV_MULTIPLICITY |
159 | #if EV_MULTIPLICITY |
57 | struct ev_loop; |
160 | struct ev_loop; |
58 | # define EV_P struct ev_loop *loop |
161 | # define EV_P struct ev_loop *loop /* a loop as sole parameter in a declaration */ |
59 | # define EV_P_ EV_P, |
162 | # define EV_P_ EV_P, /* a loop as first of multiple parameters */ |
60 | # define EV_A loop |
163 | # define EV_A loop /* a loop as sole argument to a function call */ |
61 | # define EV_A_ EV_A, |
164 | # define EV_A_ EV_A, /* a loop as first of multiple arguments */ |
62 | # define EV_DEFAULT_A ev_default_loop (0) |
165 | # define EV_DEFAULT_UC ev_default_loop_uc_ () /* the default loop, if initialised, as sole arg */ |
63 | # define EV_DEFAULT_A_ EV_DEFAULT_A, |
166 | # define EV_DEFAULT_UC_ EV_DEFAULT_UC, /* the default loop as first of multiple arguments */ |
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167 | # define EV_DEFAULT ev_default_loop (0) /* the default loop as sole arg */ |
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168 | # define EV_DEFAULT_ EV_DEFAULT, /* the default loop as first of multiple arguments */ |
64 | #else |
169 | #else |
65 | # define EV_P void |
170 | # define EV_P void |
66 | # define EV_P_ |
171 | # define EV_P_ |
67 | # define EV_A |
172 | # define EV_A |
68 | # define EV_A_ |
173 | # define EV_A_ |
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174 | # define EV_DEFAULT |
69 | # define EV_DEFAULT_A |
175 | # define EV_DEFAULT_ |
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176 | # define EV_DEFAULT_UC |
70 | # define EV_DEFAULT_A_ |
177 | # define EV_DEFAULT_UC_ |
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178 | # undef EV_EMBED_ENABLE |
71 | #endif |
179 | #endif |
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180 | |
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181 | /* EV_INLINE is used for functions in header files */ |
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182 | #if __STDC_VERSION__ >= 199901L || __GNUC__ >= 3 |
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183 | # define EV_INLINE static inline |
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184 | #else |
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185 | # define EV_INLINE static |
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186 | #endif |
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187 | |
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188 | /* EV_PROTOTYPES can be sued to switch of prototype declarations */ |
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189 | #ifndef EV_PROTOTYPES |
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190 | # define EV_PROTOTYPES 1 |
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191 | #endif |
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192 | |
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193 | /*****************************************************************************/ |
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194 | |
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195 | #define EV_VERSION_MAJOR 4 |
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196 | #define EV_VERSION_MINOR 0 |
72 | |
197 | |
73 | /* eventmask, revents, events... */ |
198 | /* eventmask, revents, events... */ |
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199 | enum { |
74 | #define EV_UNDEF -1L /* guaranteed to be invalid */ |
200 | EV_UNDEF = -1, /* guaranteed to be invalid */ |
75 | #define EV_NONE 0x00L |
201 | EV_NONE = 0x00, /* no events */ |
76 | #define EV_READ 0x01L /* io only */ |
202 | EV_READ = 0x01, /* ev_io detected read will not block */ |
77 | #define EV_WRITE 0x02L /* io only */ |
203 | EV_WRITE = 0x02, /* ev_io detected write will not block */ |
78 | #define EV_TIMEOUT 0x000100L /* timer only */ |
204 | EV__IOFDSET = 0x80, /* internal use only */ |
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205 | EV_IO = EV_READ, /* alias for type-detection */ |
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206 | EV_TIMER = 0x00000100, /* timer timed out */ |
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207 | #if EV_COMPAT3 |
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208 | EV_TIMEOUT = EV_TIMER, /* pre 4.0 API compatibility */ |
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209 | #endif |
79 | #define EV_PERIODIC 0x000200L /* periodic timer only */ |
210 | EV_PERIODIC = 0x00000200, /* periodic timer timed out */ |
80 | #define EV_SIGNAL 0x000400L /* signal only */ |
211 | EV_SIGNAL = 0x00000400, /* signal was received */ |
81 | #define EV_IDLE 0x000800L /* idle only */ |
212 | EV_CHILD = 0x00000800, /* child/pid had status change */ |
82 | #define EV_CHECK 0x001000L /* check only */ |
213 | EV_STAT = 0x00001000, /* stat data changed */ |
83 | #define EV_PREPARE 0x002000L /* prepare only */ |
214 | EV_IDLE = 0x00002000, /* event loop is idling */ |
84 | #define EV_CHILD 0x004000L /* child/pid only */ |
215 | EV_PREPARE = 0x00004000, /* event loop about to poll */ |
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216 | EV_CHECK = 0x00008000, /* event loop finished poll */ |
85 | #define EV_EMBED 0x008000L /* embedded event loop */ |
217 | EV_EMBED = 0x00010000, /* embedded event loop needs sweep */ |
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218 | EV_FORK = 0x00020000, /* event loop resumed in child */ |
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219 | EV_CLEANUP = 0x00040000, /* event loop resumed in child */ |
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220 | EV_ASYNC = 0x00080000, /* async intra-loop signal */ |
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221 | EV_CUSTOM = 0x01000000, /* for use by user code */ |
86 | #define EV_ERROR 0x800000L /* sent when an error occurs */ |
222 | EV_ERROR = 0x80000000 /* sent when an error occurs */ |
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223 | }; |
87 | |
224 | |
88 | /* can be used to add custom fields to all watchers, while losing binary compatibility */ |
225 | /* can be used to add custom fields to all watchers, while losing binary compatibility */ |
89 | #ifndef EV_COMMON |
226 | #ifndef EV_COMMON |
90 | # define EV_COMMON void *data; |
227 | # define EV_COMMON void *data; |
91 | #endif |
228 | #endif |
92 | #ifndef EV_PROTOTYPES |
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93 | # define EV_PROTOTYPES 1 |
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94 | #endif |
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95 | |
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96 | #define EV_VERSION_MAJOR 1 |
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97 | #define EV_VERSION_MINOR 1 |
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98 | |
229 | |
99 | #ifndef EV_CB_DECLARE |
230 | #ifndef EV_CB_DECLARE |
100 | # define EV_CB_DECLARE(type) void (*cb)(EV_P_ struct type *w, int revents); |
231 | # define EV_CB_DECLARE(type) void (*cb)(EV_P_ struct type *w, int revents); |
101 | #endif |
232 | #endif |
102 | #ifndef EV_CB_INVOKE |
233 | #ifndef EV_CB_INVOKE |
103 | # define EV_CB_INVOKE(watcher,revents) (watcher)->cb (EV_A_ (watcher), (revents)) |
234 | # define EV_CB_INVOKE(watcher,revents) (watcher)->cb (EV_A_ (watcher), (revents)) |
104 | #endif |
235 | #endif |
105 | |
236 | |
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237 | /* not official, do not use */ |
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238 | #define EV_CB(type,name) void name (EV_P_ struct ev_ ## type *w, int revents) |
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239 | |
106 | /* |
240 | /* |
107 | * struct member types: |
241 | * struct member types: |
108 | * private: you can look at them, but not change them, and they might not mean anything to you. |
242 | * private: you may look at them, but not change them, |
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243 | * and they might not mean anything to you. |
109 | * ro: can be read anytime, but only changed when the watcher isn't active |
244 | * ro: can be read anytime, but only changed when the watcher isn't active. |
110 | * rw: can be read and modified anytime, even when the watcher is active |
245 | * rw: can be read and modified anytime, even when the watcher is active. |
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246 | * |
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247 | * some internal details that might be helpful for debugging: |
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248 | * |
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249 | * active is either 0, which means the watcher is not active, |
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250 | * or the array index of the watcher (periodics, timers) |
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251 | * or the array index + 1 (most other watchers) |
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252 | * or simply 1 for watchers that aren't in some array. |
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253 | * pending is either 0, in which case the watcher isn't, |
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254 | * or the array index + 1 in the pendings array. |
111 | */ |
255 | */ |
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256 | |
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257 | #if EV_MINPRI == EV_MAXPRI |
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258 | # define EV_DECL_PRIORITY |
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259 | #elif !defined (EV_DECL_PRIORITY) |
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260 | # define EV_DECL_PRIORITY int priority; |
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261 | #endif |
112 | |
262 | |
113 | /* shared by all watchers */ |
263 | /* shared by all watchers */ |
114 | #define EV_WATCHER(type) \ |
264 | #define EV_WATCHER(type) \ |
115 | int active; /* private */ \ |
265 | int active; /* private */ \ |
116 | int pending; /* private */ \ |
266 | int pending; /* private */ \ |
117 | int priority; /* private */ \ |
267 | EV_DECL_PRIORITY /* private */ \ |
118 | EV_COMMON /* rw */ \ |
268 | EV_COMMON /* rw */ \ |
119 | EV_CB_DECLARE (type) /* private */ |
269 | EV_CB_DECLARE (type) /* private */ |
120 | |
270 | |
121 | #define EV_WATCHER_LIST(type) \ |
271 | #define EV_WATCHER_LIST(type) \ |
122 | EV_WATCHER (type) \ |
272 | EV_WATCHER (type) \ |
… | |
… | |
142 | typedef struct ev_watcher_time |
292 | typedef struct ev_watcher_time |
143 | { |
293 | { |
144 | EV_WATCHER_TIME (ev_watcher_time) |
294 | EV_WATCHER_TIME (ev_watcher_time) |
145 | } ev_watcher_time; |
295 | } ev_watcher_time; |
146 | |
296 | |
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297 | /* invoked when fd is either EV_READable or EV_WRITEable */ |
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298 | /* revent EV_READ, EV_WRITE */ |
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299 | typedef struct ev_io |
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300 | { |
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301 | EV_WATCHER_LIST (ev_io) |
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302 | |
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303 | int fd; /* ro */ |
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304 | int events; /* ro */ |
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305 | } ev_io; |
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306 | |
147 | /* invoked after a specific time, repeatable (based on monotonic clock) */ |
307 | /* invoked after a specific time, repeatable (based on monotonic clock) */ |
148 | /* revent EV_TIMEOUT */ |
308 | /* revent EV_TIMEOUT */ |
149 | typedef struct ev_timer |
309 | typedef struct ev_timer |
150 | { |
310 | { |
151 | EV_WATCHER_TIME (ev_timer) |
311 | EV_WATCHER_TIME (ev_timer) |
… | |
… | |
157 | /* revent EV_PERIODIC */ |
317 | /* revent EV_PERIODIC */ |
158 | typedef struct ev_periodic |
318 | typedef struct ev_periodic |
159 | { |
319 | { |
160 | EV_WATCHER_TIME (ev_periodic) |
320 | EV_WATCHER_TIME (ev_periodic) |
161 | |
321 | |
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322 | ev_tstamp offset; /* rw */ |
162 | ev_tstamp interval; /* rw */ |
323 | ev_tstamp interval; /* rw */ |
163 | ev_tstamp (*reschedule_cb)(struct ev_periodic *w, ev_tstamp now); /* rw */ |
324 | ev_tstamp (*reschedule_cb)(struct ev_periodic *w, ev_tstamp now); /* rw */ |
164 | } ev_periodic; |
325 | } ev_periodic; |
165 | |
326 | |
166 | /* invoked when fd is either EV_READable or EV_WRITEable */ |
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167 | /* revent EV_READ, EV_WRITE */ |
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168 | typedef struct ev_io |
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169 | { |
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170 | EV_WATCHER_LIST (ev_io) |
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171 | |
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172 | int fd; /* ro */ |
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173 | int events; /* ro */ |
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174 | } ev_io; |
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175 | |
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176 | /* invoked when the given signal has been received */ |
327 | /* invoked when the given signal has been received */ |
177 | /* revent EV_SIGNAL */ |
328 | /* revent EV_SIGNAL */ |
178 | typedef struct ev_signal |
329 | typedef struct ev_signal |
179 | { |
330 | { |
180 | EV_WATCHER_LIST (ev_signal) |
331 | EV_WATCHER_LIST (ev_signal) |
181 | |
332 | |
182 | int signum; /* ro */ |
333 | int signum; /* ro */ |
183 | } ev_signal; |
334 | } ev_signal; |
184 | |
335 | |
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336 | /* invoked when sigchld is received and waitpid indicates the given pid */ |
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337 | /* revent EV_CHILD */ |
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338 | /* does not support priorities */ |
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339 | typedef struct ev_child |
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340 | { |
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341 | EV_WATCHER_LIST (ev_child) |
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342 | |
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343 | int flags; /* private */ |
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344 | int pid; /* ro */ |
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345 | int rpid; /* rw, holds the received pid */ |
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346 | int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */ |
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347 | } ev_child; |
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348 | |
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349 | #if EV_STAT_ENABLE |
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350 | /* st_nlink = 0 means missing file or other error */ |
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351 | # ifdef _WIN32 |
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352 | typedef struct _stati64 ev_statdata; |
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353 | # else |
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354 | typedef struct stat ev_statdata; |
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355 | # endif |
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356 | |
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357 | /* invoked each time the stat data changes for a given path */ |
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358 | /* revent EV_STAT */ |
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359 | typedef struct ev_stat |
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360 | { |
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361 | EV_WATCHER_LIST (ev_stat) |
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362 | |
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363 | ev_timer timer; /* private */ |
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364 | ev_tstamp interval; /* ro */ |
|
|
365 | const char *path; /* ro */ |
|
|
366 | ev_statdata prev; /* ro */ |
|
|
367 | ev_statdata attr; /* ro */ |
|
|
368 | |
|
|
369 | int wd; /* wd for inotify, fd for kqueue */ |
|
|
370 | } ev_stat; |
|
|
371 | #endif |
|
|
372 | |
|
|
373 | #if EV_IDLE_ENABLE |
185 | /* invoked when the nothing else needs to be done, keeps the process from blocking */ |
374 | /* invoked when the nothing else needs to be done, keeps the process from blocking */ |
186 | /* revent EV_IDLE */ |
375 | /* revent EV_IDLE */ |
187 | typedef struct ev_idle |
376 | typedef struct ev_idle |
188 | { |
377 | { |
189 | EV_WATCHER (ev_idle) |
378 | EV_WATCHER (ev_idle) |
190 | } ev_idle; |
379 | } ev_idle; |
|
|
380 | #endif |
191 | |
381 | |
192 | /* invoked for each run of the mainloop, just before the blocking call */ |
382 | /* invoked for each run of the mainloop, just before the blocking call */ |
193 | /* you can still change events in any way you like */ |
383 | /* you can still change events in any way you like */ |
194 | /* revent EV_PREPARE */ |
384 | /* revent EV_PREPARE */ |
195 | typedef struct ev_prepare |
385 | typedef struct ev_prepare |
… | |
… | |
202 | typedef struct ev_check |
392 | typedef struct ev_check |
203 | { |
393 | { |
204 | EV_WATCHER (ev_check) |
394 | EV_WATCHER (ev_check) |
205 | } ev_check; |
395 | } ev_check; |
206 | |
396 | |
207 | /* invoked when sigchld is received and waitpid indicates the given pid */ |
397 | #if EV_FORK_ENABLE |
|
|
398 | /* the callback gets invoked before check in the child process when a fork was detected */ |
|
|
399 | /* revent EV_FORK */ |
|
|
400 | typedef struct ev_fork |
|
|
401 | { |
|
|
402 | EV_WATCHER (ev_fork) |
|
|
403 | } ev_fork; |
|
|
404 | #endif |
|
|
405 | |
|
|
406 | #if EV_CLEANUP_ENABLE |
|
|
407 | /* is invoked just before the loop gets destroyed */ |
208 | /* revent EV_CHILD */ |
408 | /* revent EV_CLEANUP */ |
209 | /* does not support priorities */ |
|
|
210 | typedef struct ev_child |
409 | typedef struct ev_cleanup |
211 | { |
410 | { |
212 | EV_WATCHER_LIST (ev_child) |
411 | EV_WATCHER (ev_cleanup) |
|
|
412 | } ev_cleanup; |
|
|
413 | #endif |
213 | |
414 | |
214 | int pid; /* ro */ |
415 | #if EV_EMBED_ENABLE |
215 | int rpid; /* rw, holds the received pid */ |
|
|
216 | int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */ |
|
|
217 | } ev_child; |
|
|
218 | |
|
|
219 | #if EV_MULTIPLICITY |
|
|
220 | /* used to embed an event loop inside another */ |
416 | /* used to embed an event loop inside another */ |
221 | /* the callback gets invoked when the event loop has handled events, and can be 0 */ |
417 | /* the callback gets invoked when the event loop has handled events, and can be 0 */ |
222 | typedef struct ev_embed |
418 | typedef struct ev_embed |
223 | { |
419 | { |
224 | EV_WATCHER (ev_embed) |
420 | EV_WATCHER (ev_embed) |
225 | |
421 | |
226 | ev_io io; /* private */ |
|
|
227 | struct ev_loop *loop; /* ro */ |
422 | struct ev_loop *other; /* ro */ |
|
|
423 | ev_io io; /* private */ |
|
|
424 | ev_prepare prepare; /* private */ |
|
|
425 | ev_check check; /* unused */ |
|
|
426 | ev_timer timer; /* unused */ |
|
|
427 | ev_periodic periodic; /* unused */ |
|
|
428 | ev_idle idle; /* unused */ |
|
|
429 | ev_fork fork; /* private */ |
|
|
430 | #if EV_CLEANUP_ENABLE |
|
|
431 | ev_cleanup cleanup; /* unused */ |
|
|
432 | #endif |
228 | } ev_embed; |
433 | } ev_embed; |
|
|
434 | #endif |
|
|
435 | |
|
|
436 | #if EV_ASYNC_ENABLE |
|
|
437 | /* invoked when somebody calls ev_async_send on the watcher */ |
|
|
438 | /* revent EV_ASYNC */ |
|
|
439 | typedef struct ev_async |
|
|
440 | { |
|
|
441 | EV_WATCHER (ev_async) |
|
|
442 | |
|
|
443 | EV_ATOMIC_T sent; /* private */ |
|
|
444 | } ev_async; |
|
|
445 | |
|
|
446 | # define ev_async_pending(w) (+(w)->sent) |
229 | #endif |
447 | #endif |
230 | |
448 | |
231 | /* the presence of this union forces similar struct layout */ |
449 | /* the presence of this union forces similar struct layout */ |
232 | union ev_any_watcher |
450 | union ev_any_watcher |
233 | { |
451 | { |
… | |
… | |
235 | struct ev_watcher_list wl; |
453 | struct ev_watcher_list wl; |
236 | |
454 | |
237 | struct ev_io io; |
455 | struct ev_io io; |
238 | struct ev_timer timer; |
456 | struct ev_timer timer; |
239 | struct ev_periodic periodic; |
457 | struct ev_periodic periodic; |
|
|
458 | struct ev_signal signal; |
|
|
459 | struct ev_child child; |
|
|
460 | #if EV_STAT_ENABLE |
|
|
461 | struct ev_stat stat; |
|
|
462 | #endif |
|
|
463 | #if EV_IDLE_ENABLE |
240 | struct ev_idle idle; |
464 | struct ev_idle idle; |
|
|
465 | #endif |
241 | struct ev_prepare prepare; |
466 | struct ev_prepare prepare; |
242 | struct ev_check check; |
467 | struct ev_check check; |
243 | struct ev_signal signal; |
468 | #if EV_FORK_ENABLE |
244 | struct ev_child child; |
469 | struct ev_fork fork; |
245 | #if EV_MULTIPLICITY |
470 | #endif |
|
|
471 | #if EV_CLEANUP_ENABLE |
|
|
472 | struct ev_cleanup cleanup; |
|
|
473 | #endif |
|
|
474 | #if EV_EMBED_ENABLE |
246 | struct ev_embed embed; |
475 | struct ev_embed embed; |
247 | #endif |
476 | #endif |
|
|
477 | #if EV_ASYNC_ENABLE |
|
|
478 | struct ev_async async; |
|
|
479 | #endif |
248 | }; |
480 | }; |
249 | |
481 | |
250 | /* bits for ev_default_loop and ev_loop_new */ |
482 | /* flag bits for ev_default_loop and ev_loop_new */ |
|
|
483 | enum { |
251 | /* the default */ |
484 | /* the default */ |
252 | #define EVFLAG_AUTO 0x00000000UL /* not quite a mask */ |
485 | EVFLAG_AUTO = 0x00000000U, /* not quite a mask */ |
253 | /* flag bits */ |
486 | /* flag bits */ |
254 | #define EVFLAG_NOENV 0x01000000UL /* do NOT consult environment */ |
487 | EVFLAG_NOENV = 0x01000000U, /* do NOT consult environment */ |
|
|
488 | EVFLAG_FORKCHECK = 0x02000000U, /* check for a fork in each iteration */ |
|
|
489 | /* debugging/feature disable */ |
|
|
490 | EVFLAG_NOINOTIFY = 0x00100000U, /* do not attempt to use inotify */ |
|
|
491 | #if EV_COMPAT3 |
|
|
492 | EVFLAG_NOSIGFD = 0, /* compatibility to pre-3.9 */ |
|
|
493 | #endif |
|
|
494 | EVFLAG_SIGNALFD = 0x00200000U /* attempt to use signalfd */ |
|
|
495 | }; |
|
|
496 | |
255 | /* method bits to be ored together */ |
497 | /* method bits to be ored together */ |
|
|
498 | enum { |
256 | #define EVBACKEND_SELECT 0x00000001UL /* about anywhere */ |
499 | EVBACKEND_SELECT = 0x00000001U, /* about anywhere */ |
257 | #define EVBACKEND_POLL 0x00000002UL /* !win */ |
500 | EVBACKEND_POLL = 0x00000002U, /* !win */ |
258 | #define EVBACKEND_EPOLL 0x00000004UL /* linux */ |
501 | EVBACKEND_EPOLL = 0x00000004U, /* linux */ |
259 | #define EVBACKEND_KQUEUE 0x00000008UL /* bsd */ |
502 | EVBACKEND_KQUEUE = 0x00000008U, /* bsd */ |
260 | #define EVBACKEND_DEVPOLL 0x00000010UL /* solaris 8 */ /* NYI */ |
503 | EVBACKEND_DEVPOLL = 0x00000010U, /* solaris 8 */ /* NYI */ |
261 | #define EVBACKEND_PORT 0x00000020UL /* solaris 10 */ |
504 | EVBACKEND_PORT = 0x00000020U, /* solaris 10 */ |
|
|
505 | EVBACKEND_ALL = 0x0000003FU |
|
|
506 | }; |
262 | |
507 | |
263 | #if EV_PROTOTYPES |
508 | #if EV_PROTOTYPES |
264 | int ev_version_major (void); |
509 | int ev_version_major (void); |
265 | int ev_version_minor (void); |
510 | int ev_version_minor (void); |
266 | |
511 | |
267 | unsigned int ev_supported_backends (void); |
512 | unsigned int ev_supported_backends (void); |
268 | unsigned int ev_recommended_backends (void); |
513 | unsigned int ev_recommended_backends (void); |
269 | unsigned int ev_embeddable_backends (void); |
514 | unsigned int ev_embeddable_backends (void); |
270 | |
515 | |
271 | ev_tstamp ev_time (void); |
516 | ev_tstamp ev_time (void); |
|
|
517 | void ev_sleep (ev_tstamp delay); /* sleep for a while */ |
272 | |
518 | |
273 | /* Sets the allocation function to use, works like realloc. |
519 | /* Sets the allocation function to use, works like realloc. |
274 | * It is used to allocate and free memory. |
520 | * It is used to allocate and free memory. |
275 | * If it returns zero when memory needs to be allocated, the library might abort |
521 | * If it returns zero when memory needs to be allocated, the library might abort |
276 | * or take some potentially destructive action. |
522 | * or take some potentially destructive action. |
… | |
… | |
282 | * retryable syscall error |
528 | * retryable syscall error |
283 | * (such as failed select, poll, epoll_wait) |
529 | * (such as failed select, poll, epoll_wait) |
284 | */ |
530 | */ |
285 | void ev_set_syserr_cb (void (*cb)(const char *msg)); |
531 | void ev_set_syserr_cb (void (*cb)(const char *msg)); |
286 | |
532 | |
287 | # if EV_MULTIPLICITY |
533 | #if EV_MULTIPLICITY |
|
|
534 | |
288 | /* the default loop is the only one that handles signals and child watchers */ |
535 | /* the default loop is the only one that handles signals and child watchers */ |
289 | /* you can call this as often as you like */ |
536 | /* you can call this as often as you like */ |
290 | static struct ev_loop * |
537 | struct ev_loop *ev_default_loop (unsigned int flags EV_CPP (= 0)); |
291 | ev_default_loop (unsigned int flags) |
538 | |
|
|
539 | EV_INLINE struct ev_loop * |
|
|
540 | ev_default_loop_uc_ (void) |
292 | { |
541 | { |
293 | extern struct ev_loop *ev_default_loop_ptr; |
542 | extern struct ev_loop *ev_default_loop_ptr; |
294 | extern struct ev_loop *ev_default_loop_init (unsigned int flags); |
|
|
295 | |
|
|
296 | if (!ev_default_loop_ptr) |
|
|
297 | ev_default_loop_init (flags); |
|
|
298 | |
543 | |
299 | return ev_default_loop_ptr; |
544 | return ev_default_loop_ptr; |
300 | } |
545 | } |
301 | |
546 | |
|
|
547 | EV_INLINE int |
|
|
548 | ev_is_default_loop (EV_P) |
|
|
549 | { |
|
|
550 | return EV_A == EV_DEFAULT_UC; |
|
|
551 | } |
|
|
552 | |
302 | /* create and destroy alternative loops that don't handle signals */ |
553 | /* create and destroy alternative loops that don't handle signals */ |
303 | struct ev_loop *ev_loop_new (unsigned int flags); |
554 | struct ev_loop *ev_loop_new (unsigned int flags EV_CPP (= 0)); |
|
|
555 | /* destroy event loops, also works for the default loop */ |
304 | void ev_loop_destroy (EV_P); |
556 | void ev_loop_destroy (EV_P); |
305 | void ev_loop_fork (EV_P); |
|
|
306 | |
557 | |
307 | ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */ |
558 | ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */ |
308 | |
559 | |
309 | # else |
560 | #else |
310 | |
561 | |
311 | int ev_default_loop (unsigned int flags); /* returns true when successful */ |
562 | int ev_default_loop (unsigned int flags EV_CPP (= 0)); /* returns true when successful */ |
312 | |
563 | |
313 | static ev_tstamp |
564 | EV_INLINE ev_tstamp |
314 | ev_now (void) |
565 | ev_now (void) |
315 | { |
566 | { |
316 | extern ev_tstamp ev_rt_now; |
567 | extern ev_tstamp ev_rt_now; |
317 | |
568 | |
318 | return ev_rt_now; |
569 | return ev_rt_now; |
319 | } |
570 | } |
320 | # endif |
|
|
321 | |
571 | |
322 | void ev_default_destroy (void); /* destroy the default loop */ |
572 | /* looks weird, but ev_is_default_loop (EV_A) still works if this exists */ |
|
|
573 | EV_INLINE int |
|
|
574 | ev_is_default_loop (void) |
|
|
575 | { |
|
|
576 | return 1; |
|
|
577 | } |
|
|
578 | |
|
|
579 | #endif /* multiplicity */ |
|
|
580 | |
323 | /* this needs to be called after fork, to duplicate the default loop */ |
581 | /* this needs to be called after fork, to duplicate the loop */ |
324 | /* if you create alternative loops you have to call ev_loop_fork on them */ |
582 | /* when you want to re-use it in the child */ |
325 | /* you can call it in either the parent or the child */ |
583 | /* you can call it in either the parent or the child */ |
326 | /* you can actually call it at any time, anywhere :) */ |
584 | /* you can actually call it at any time, anywhere :) */ |
327 | void ev_default_fork (void); |
585 | void ev_loop_fork (EV_P); |
328 | |
586 | |
329 | unsigned int ev_backend (EV_P); |
587 | unsigned int ev_backend (EV_P); /* backend in use by loop */ |
330 | #endif |
|
|
331 | |
588 | |
332 | #define EVLOOP_NONBLOCK 1 /* do not block/wait */ |
589 | void ev_now_update (EV_P); /* update event loop time */ |
333 | #define EVLOOP_ONESHOT 2 /* block *once* only */ |
590 | |
334 | #define EVUNLOOP_CANCEL 0 /* undo unloop */ |
591 | #if EV_WALK_ENABLE |
335 | #define EVUNLOOP_ONE 1 /* unloop once */ |
592 | /* walk (almost) all watchers in the loop of a given type, invoking the */ |
|
|
593 | /* callback on every such watcher. The callback might stop the watcher, */ |
|
|
594 | /* but do nothing else with the loop */ |
|
|
595 | void ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)); |
|
|
596 | #endif |
|
|
597 | |
|
|
598 | #endif /* prototypes */ |
|
|
599 | |
|
|
600 | /* ev_run flags values */ |
|
|
601 | enum { |
|
|
602 | EVRUN_NOWAIT = 1, /* do not block/wait */ |
|
|
603 | EVRUN_ONCE = 2 /* block *once* only */ |
|
|
604 | }; |
|
|
605 | |
|
|
606 | /* ev_break how values */ |
|
|
607 | enum { |
|
|
608 | EVBREAK_CANCEL = 0, /* undo unloop */ |
|
|
609 | EVBREAK_ONE = 1, /* unloop once */ |
336 | #define EVUNLOOP_ALL 2 /* unloop all loops */ |
610 | EVBREAK_ALL = 2 /* unloop all loops */ |
|
|
611 | }; |
337 | |
612 | |
338 | #if EV_PROTOTYPES |
613 | #if EV_PROTOTYPES |
339 | void ev_loop (EV_P_ int flags); |
614 | void ev_run (EV_P_ int flags EV_CPP (= 0)); |
340 | 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 */ |
615 | void ev_break (EV_P_ int how EV_CPP (= EVBREAK_ONE)); /* break out of the loop */ |
341 | |
616 | |
342 | /* |
617 | /* |
343 | * ref/unref can be used to add or remove a refcount on the mainloop. every watcher |
618 | * ref/unref can be used to add or remove a refcount on the mainloop. every watcher |
344 | * keeps one reference. if you have a long-runing watcher you never unregister that |
619 | * keeps one reference. if you have a long-running watcher you never unregister that |
345 | * should not keep ev_loop from running, unref() after starting, and ref() before stopping. |
620 | * should not keep ev_loop from running, unref() after starting, and ref() before stopping. |
346 | */ |
621 | */ |
347 | void ev_ref (EV_P); |
622 | void ev_ref (EV_P); |
348 | void ev_unref (EV_P); |
623 | void ev_unref (EV_P); |
349 | |
624 | |
|
|
625 | /* |
350 | /* convinience function, wait for a single event, without registering an event watcher */ |
626 | * convenience function, wait for a single event, without registering an event watcher |
351 | /* if timeout is < 0, do wait indefinitely */ |
627 | * if timeout is < 0, do wait indefinitely |
|
|
628 | */ |
352 | void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg); |
629 | void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg); |
|
|
630 | |
|
|
631 | # if EV_FEATURE_API |
|
|
632 | unsigned int ev_iteration (EV_P); /* number of loop iterations */ |
|
|
633 | unsigned int ev_depth (EV_P); /* #ev_loop enters - #ev_loop leaves */ |
|
|
634 | void ev_verify (EV_P); /* abort if loop data corrupted */ |
|
|
635 | |
|
|
636 | void ev_set_io_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */ |
|
|
637 | void ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */ |
|
|
638 | |
|
|
639 | /* advanced stuff for threading etc. support, see docs */ |
|
|
640 | void ev_set_userdata (EV_P_ void *data); |
|
|
641 | void *ev_userdata (EV_P); |
|
|
642 | void ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)); |
|
|
643 | void ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P)); |
|
|
644 | |
|
|
645 | unsigned int ev_pending_count (EV_P); /* number of pending events, if any */ |
|
|
646 | void ev_invoke_pending (EV_P); /* invoke all pending watchers */ |
|
|
647 | |
|
|
648 | /* |
|
|
649 | * stop/start the timer handling. |
|
|
650 | */ |
|
|
651 | void ev_suspend (EV_P); |
|
|
652 | void ev_resume (EV_P); |
|
|
653 | #endif |
|
|
654 | |
353 | #endif |
655 | #endif |
354 | |
656 | |
355 | /* these may evaluate ev multiple times, and the other arguments at most once */ |
657 | /* these may evaluate ev multiple times, and the other arguments at most once */ |
356 | /* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */ |
658 | /* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */ |
357 | #define ev_init(ev,cb_) do { \ |
659 | #define ev_init(ev,cb_) do { \ |
358 | ((ev_watcher *)(void *)(ev))->active = \ |
660 | ((ev_watcher *)(void *)(ev))->active = \ |
359 | ((ev_watcher *)(void *)(ev))->pending = \ |
661 | ((ev_watcher *)(void *)(ev))->pending = 0; \ |
360 | ((ev_watcher *)(void *)(ev))->priority = 0; \ |
662 | ev_set_priority ((ev), 0); \ |
361 | ev_set_cb ((ev), cb_); \ |
663 | ev_set_cb ((ev), cb_); \ |
362 | } while (0) |
664 | } while (0) |
363 | |
665 | |
364 | #define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_); } while (0) |
666 | #define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_) | EV__IOFDSET; } while (0) |
365 | #define ev_timer_set(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); } while (0) |
667 | #define ev_timer_set(ev,after_,repeat_) do { ((ev_watcher_time *)(ev))->at = (after_); (ev)->repeat = (repeat_); } while (0) |
366 | #define ev_periodic_set(ev,at_,ival_,res_) do { (ev)->at = (at_); (ev)->interval = (ival_); (ev)->reschedule_cb= (res_); } while (0) |
668 | #define ev_periodic_set(ev,ofs_,ival_,rcb_) do { (ev)->offset = (ofs_); (ev)->interval = (ival_); (ev)->reschedule_cb = (rcb_); } while (0) |
367 | #define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0) |
669 | #define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0) |
|
|
670 | #define ev_child_set(ev,pid_,trace_) do { (ev)->pid = (pid_); (ev)->flags = !!(trace_); } while (0) |
|
|
671 | #define ev_stat_set(ev,path_,interval_) do { (ev)->path = (path_); (ev)->interval = (interval_); (ev)->wd = -2; } while (0) |
368 | #define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */ |
672 | #define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */ |
369 | #define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */ |
673 | #define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */ |
370 | #define ev_check_set(ev) /* nop, yes, this is a serious in-joke */ |
674 | #define ev_check_set(ev) /* nop, yes, this is a serious in-joke */ |
371 | #define ev_child_set(ev,pid_) do { (ev)->pid = (pid_); } while (0) |
|
|
372 | #define ev_embed_set(ev,loop_) do { (ev)->loop = (loop_); } while (0) |
675 | #define ev_embed_set(ev,other_) do { (ev)->other = (other_); } while (0) |
|
|
676 | #define ev_fork_set(ev) /* nop, yes, this is a serious in-joke */ |
|
|
677 | #define ev_cleanup_set(ev) /* nop, yes, this is a serious in-joke */ |
|
|
678 | #define ev_async_set(ev) /* nop, yes, this is a serious in-joke */ |
373 | |
679 | |
374 | #define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0) |
680 | #define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0) |
375 | #define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0) |
681 | #define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0) |
376 | #define ev_periodic_init(ev,cb,at,ival,res) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(at),(ival),(res)); } while (0) |
682 | #define ev_periodic_init(ev,cb,ofs,ival,rcb) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(ofs),(ival),(rcb)); } while (0) |
377 | #define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0) |
683 | #define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0) |
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684 | #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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685 | #define ev_stat_init(ev,cb,path,interval) do { ev_init ((ev), (cb)); ev_stat_set ((ev),(path),(interval)); } while (0) |
378 | #define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0) |
686 | #define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0) |
379 | #define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0) |
687 | #define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0) |
380 | #define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0) |
688 | #define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0) |
381 | #define ev_child_init(ev,cb,pid) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid)); } while (0) |
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382 | #define ev_embed_init(ev,cb,loop) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(loop)); } while (0) |
689 | #define ev_embed_init(ev,cb,other) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(other)); } while (0) |
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690 | #define ev_fork_init(ev,cb) do { ev_init ((ev), (cb)); ev_fork_set ((ev)); } while (0) |
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691 | #define ev_cleanup_init(ev,cb) do { ev_init ((ev), (cb)); ev_cleanup_set ((ev)); } while (0) |
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692 | #define ev_async_init(ev,cb) do { ev_init ((ev), (cb)); ev_async_set ((ev)); } while (0) |
383 | |
693 | |
384 | #define ev_is_pending(ev) (0 + ((ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */ |
694 | #define ev_is_pending(ev) (0 + ((ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */ |
385 | #define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */ |
695 | #define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */ |
386 | |
696 | |
387 | #define ev_priority(ev) ((ev_watcher *)(void *)(ev))->priority /* rw */ |
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388 | #define ev_cb(ev) (ev)->cb /* rw */ |
697 | #define ev_cb(ev) (ev)->cb /* rw */ |
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698 | |
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699 | #if EV_MINPRI == EV_MAXPRI |
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700 | # define ev_priority(ev) ((ev), EV_MINPRI) |
389 | #define ev_set_priority(ev,pri) ev_priority (ev) = (pri) |
701 | # define ev_set_priority(ev,pri) ((ev), (pri)) |
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702 | #else |
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703 | # define ev_priority(ev) (+(((ev_watcher *)(void *)(ev))->priority)) |
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704 | # define ev_set_priority(ev,pri) ( (ev_watcher *)(void *)(ev))->priority = (pri) |
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705 | #endif |
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706 | |
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707 | #define ev_periodic_at(ev) (+((ev_watcher_time *)(ev))->at) |
390 | |
708 | |
391 | #ifndef ev_set_cb |
709 | #ifndef ev_set_cb |
392 | # define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_) |
710 | # define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_) |
393 | #endif |
711 | #endif |
394 | |
712 | |
395 | /* stopping (enabling, adding) a watcher does nothing if it is already running */ |
713 | /* stopping (enabling, adding) a watcher does nothing if it is already running */ |
396 | /* stopping (disabling, deleting) a watcher does nothing unless its already running */ |
714 | /* stopping (disabling, deleting) a watcher does nothing unless its already running */ |
397 | #if EV_PROTOTYPES |
715 | #if EV_PROTOTYPES |
398 | |
716 | |
399 | /* feeds an event into a watcher as if the event actually occured */ |
717 | /* feeds an event into a watcher as if the event actually occured */ |
400 | /* accepts any ev_watcher type */ |
718 | /* accepts any ev_watcher type */ |
401 | void ev_feed_event (EV_P_ void *w, int revents); |
719 | void ev_feed_event (EV_P_ void *w, int revents); |
402 | void ev_feed_fd_event (EV_P_ int fd, int revents); |
720 | void ev_feed_fd_event (EV_P_ int fd, int revents); |
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721 | #if EV_SIGNAL_ENABLE |
403 | void ev_feed_signal_event (EV_P_ int signum); |
722 | void ev_feed_signal_event (EV_P_ int signum); |
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723 | #endif |
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724 | void ev_invoke (EV_P_ void *w, int revents); |
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725 | int ev_clear_pending (EV_P_ void *w); |
404 | |
726 | |
405 | void ev_io_start (EV_P_ ev_io *w); |
727 | void ev_io_start (EV_P_ ev_io *w); |
406 | void ev_io_stop (EV_P_ ev_io *w); |
728 | void ev_io_stop (EV_P_ ev_io *w); |
407 | |
729 | |
408 | void ev_timer_start (EV_P_ ev_timer *w); |
730 | void ev_timer_start (EV_P_ ev_timer *w); |
409 | void ev_timer_stop (EV_P_ ev_timer *w); |
731 | void ev_timer_stop (EV_P_ ev_timer *w); |
410 | /* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */ |
732 | /* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */ |
411 | void ev_timer_again (EV_P_ ev_timer *w); |
733 | void ev_timer_again (EV_P_ ev_timer *w); |
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734 | /* return remaining time */ |
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735 | ev_tstamp ev_timer_remaining (EV_P_ ev_timer *w); |
412 | |
736 | |
413 | #if EV_PERIODICS |
737 | #if EV_PERIODIC_ENABLE |
414 | void ev_periodic_start (EV_P_ ev_periodic *w); |
738 | void ev_periodic_start (EV_P_ ev_periodic *w); |
415 | void ev_periodic_stop (EV_P_ ev_periodic *w); |
739 | void ev_periodic_stop (EV_P_ ev_periodic *w); |
416 | void ev_periodic_again (EV_P_ ev_periodic *w); |
740 | void ev_periodic_again (EV_P_ ev_periodic *w); |
417 | #endif |
741 | #endif |
418 | |
742 | |
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743 | /* only supported in the default loop */ |
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744 | #if EV_SIGNAL_ENABLE |
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745 | void ev_signal_start (EV_P_ ev_signal *w); |
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746 | void ev_signal_stop (EV_P_ ev_signal *w); |
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747 | #endif |
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748 | |
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749 | /* only supported in the default loop */ |
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750 | # if EV_CHILD_ENABLE |
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751 | void ev_child_start (EV_P_ ev_child *w); |
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752 | void ev_child_stop (EV_P_ ev_child *w); |
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753 | # endif |
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754 | |
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755 | # if EV_STAT_ENABLE |
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756 | void ev_stat_start (EV_P_ ev_stat *w); |
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757 | void ev_stat_stop (EV_P_ ev_stat *w); |
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758 | void ev_stat_stat (EV_P_ ev_stat *w); |
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759 | # endif |
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760 | |
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761 | # if EV_IDLE_ENABLE |
419 | void ev_idle_start (EV_P_ ev_idle *w); |
762 | void ev_idle_start (EV_P_ ev_idle *w); |
420 | void ev_idle_stop (EV_P_ ev_idle *w); |
763 | void ev_idle_stop (EV_P_ ev_idle *w); |
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764 | # endif |
421 | |
765 | |
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766 | #if EV_PREPARE_ENABLE |
422 | void ev_prepare_start (EV_P_ ev_prepare *w); |
767 | void ev_prepare_start (EV_P_ ev_prepare *w); |
423 | void ev_prepare_stop (EV_P_ ev_prepare *w); |
768 | void ev_prepare_stop (EV_P_ ev_prepare *w); |
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769 | #endif |
424 | |
770 | |
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771 | #if EV_CHECK_ENABLE |
425 | void ev_check_start (EV_P_ ev_check *w); |
772 | void ev_check_start (EV_P_ ev_check *w); |
426 | void ev_check_stop (EV_P_ ev_check *w); |
773 | void ev_check_stop (EV_P_ ev_check *w); |
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774 | #endif |
427 | |
775 | |
428 | /* only supported in the default loop */ |
776 | # if EV_FORK_ENABLE |
429 | void ev_signal_start (EV_P_ ev_signal *w); |
777 | void ev_fork_start (EV_P_ ev_fork *w); |
430 | void ev_signal_stop (EV_P_ ev_signal *w); |
778 | void ev_fork_stop (EV_P_ ev_fork *w); |
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779 | # endif |
431 | |
780 | |
432 | /* only supported in the default loop */ |
781 | # if EV_CLEANUP_ENABLE |
433 | void ev_child_start (EV_P_ ev_child *w); |
782 | void ev_cleanup_start (EV_P_ ev_cleanup *w); |
434 | void ev_child_stop (EV_P_ ev_child *w); |
783 | void ev_cleanup_stop (EV_P_ ev_cleanup *w); |
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784 | # endif |
435 | |
785 | |
436 | # if EV_MULTIPLICITY |
786 | # if EV_EMBED_ENABLE |
437 | /* only supported when loop to be embedded is in fact embeddable */ |
787 | /* only supported when loop to be embedded is in fact embeddable */ |
438 | void ev_embed_start (EV_P_ ev_embed *w); |
788 | void ev_embed_start (EV_P_ ev_embed *w); |
439 | void ev_embed_stop (EV_P_ ev_embed *w); |
789 | void ev_embed_stop (EV_P_ ev_embed *w); |
440 | void ev_embed_sweep (EV_P_ ev_embed *w); |
790 | void ev_embed_sweep (EV_P_ ev_embed *w); |
441 | # endif |
791 | # endif |
442 | |
792 | |
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793 | # if EV_ASYNC_ENABLE |
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794 | void ev_async_start (EV_P_ ev_async *w); |
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795 | void ev_async_stop (EV_P_ ev_async *w); |
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796 | void ev_async_send (EV_P_ ev_async *w); |
443 | #endif |
797 | # endif |
444 | |
798 | |
445 | #ifdef __cplusplus |
799 | #if EV_COMPAT3 |
446 | } |
800 | #define EVLOOP_NONBLOCK EVRUN_NOWAIT |
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801 | #define EVLOOP_ONESHOT EVRUN_ONCE |
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802 | #define EVUNLOOP_CANCEL EVBREAK_CANCEL |
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803 | #define EVUNLOOP_ONE EVBREAK_ONE |
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804 | #define EVUNLOOP_ALL EVBREAK_ALL |
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805 | #if EV_PROTOTYPES |
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806 | EV_INLINE void ev_loop (EV_P_ int flags) { ev_run (EV_A_ flags); } |
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807 | EV_INLINE void ev_unloop (EV_P_ int how ) { ev_break (EV_A_ how ); } |
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808 | EV_INLINE void ev_default_destroy (void) { ev_loop_destroy (EV_DEFAULT); } |
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809 | EV_INLINE void ev_default_fork (void) { ev_loop_fork (EV_DEFAULT); } |
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810 | #if EV_FEATURE_API |
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811 | EV_INLINE void ev_loop_count (EV_P) { ev_iteration (EV_A); } |
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812 | EV_INLINE void ev_loop_depth (EV_P) { ev_depth (EV_A); } |
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813 | EV_INLINE void ev_loop_verify (EV_P) { ev_verify (EV_A); } |
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814 | #endif |
447 | #endif |
815 | #endif |
448 | |
816 | #else |
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817 | typedef struct ev_loop ev_loop; |
449 | #endif |
818 | #endif |
450 | |
819 | |
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820 | #endif |
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821 | |
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822 | EV_CPP(}) |
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823 | |
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824 | #endif |
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825 | |