1 | /* |
1 | /* |
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2 | * libev native API header |
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3 | * |
2 | * Copyright (c) 2007 Marc Alexander Lehmann <libev@schmorp.de> |
4 | * Copyright (c) 2007,2008,2009,2010 Marc Alexander Lehmann <libev@schmorp.de> |
3 | * All rights reserved. |
5 | * All rights reserved. |
4 | * |
6 | * |
5 | * Redistribution and use in source and binary forms, with or without |
7 | * Redistribution and use in source and binary forms, with or without modifica- |
6 | * modification, are permitted provided that the following conditions are |
8 | * tion, are permitted provided that the following conditions are met: |
7 | * met: |
9 | * |
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10 | * 1. Redistributions of source code must retain the above copyright notice, |
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11 | * this list of conditions and the following disclaimer. |
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12 | * |
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13 | * 2. Redistributions in binary form must reproduce the above copyright |
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14 | * notice, this list of conditions and the following disclaimer in the |
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15 | * documentation and/or other materials provided with the distribution. |
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16 | * |
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17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED |
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18 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER- |
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19 | * CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO |
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20 | * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE- |
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21 | * CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
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22 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
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23 | * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
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24 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH- |
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25 | * ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
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26 | * OF THE POSSIBILITY OF SUCH DAMAGE. |
8 | * |
27 | * |
9 | * * Redistributions of source code must retain the above copyright |
28 | * Alternatively, the contents of this file may be used under the terms of |
10 | * notice, this list of conditions and the following disclaimer. |
29 | * the GNU General Public License ("GPL") version 2 or any later version, |
11 | * |
30 | * in which case the provisions of the GPL are applicable instead of |
12 | * * Redistributions in binary form must reproduce the above |
31 | * the above. If you wish to allow the use of your version of this file |
13 | * copyright notice, this list of conditions and the following |
32 | * only under the terms of the GPL and not to allow others to use your |
14 | * disclaimer in the documentation and/or other materials provided |
33 | * version of this file under the BSD license, indicate your decision |
15 | * with the distribution. |
34 | * by deleting the provisions above and replace them with the notice |
16 | * |
35 | * and other provisions required by the GPL. If you do not delete the |
17 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
36 | * provisions above, a recipient may use your version of this file under |
18 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
37 | * either the BSD or the GPL. |
19 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
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20 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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21 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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22 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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23 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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24 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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25 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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26 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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27 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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28 | */ |
38 | */ |
29 | |
39 | |
30 | #ifndef EV_H |
40 | #ifndef EV_H_ |
31 | #define EV_H |
41 | #define EV_H_ |
32 | |
42 | |
33 | #ifdef __cplusplus |
43 | #ifdef __cplusplus |
34 | extern "C" { |
44 | extern "C" { |
35 | #endif |
45 | #endif |
36 | |
46 | |
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47 | /*****************************************************************************/ |
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48 | |
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49 | /* pre-4.0 compatibility */ |
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50 | #ifndef EV_COMPAT3 |
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51 | # define EV_COMPAT3 1 |
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52 | #endif |
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53 | |
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54 | #ifndef EV_FEATURES |
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55 | # define EV_FEATURES 0x7f |
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56 | #endif |
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57 | |
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58 | #define EV_FEATURE_CODE ((EV_FEATURES) & 1) |
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59 | #define EV_FEATURE_DATA ((EV_FEATURES) & 2) |
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60 | #define EV_FEATURE_CONFIG ((EV_FEATURES) & 4) |
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61 | #define EV_FEATURE_API ((EV_FEATURES) & 8) |
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62 | #define EV_FEATURE_WATCHERS ((EV_FEATURES) & 16) |
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63 | #define EV_FEATURE_BACKENDS ((EV_FEATURES) & 32) |
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64 | #define EV_FEATURE_OS ((EV_FEATURES) & 64) |
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65 | |
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66 | /* these priorities are inclusive, higher priorities will be invoked earlier */ |
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67 | #ifndef EV_MINPRI |
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68 | # define EV_MINPRI (EV_FEATURE_CONFIG ? -2 : 0) |
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69 | #endif |
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70 | #ifndef EV_MAXPRI |
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71 | # define EV_MAXPRI (EV_FEATURE_CONFIG ? +2 : 0) |
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72 | #endif |
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73 | |
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74 | #ifndef EV_MULTIPLICITY |
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75 | # define EV_MULTIPLICITY EV_FEATURE_CONFIG |
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76 | #endif |
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77 | |
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78 | #ifndef EV_PERIODIC_ENABLE |
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79 | # define EV_PERIODIC_ENABLE EV_FEATURE_WATCHERS |
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80 | #endif |
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81 | |
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82 | #ifndef EV_STAT_ENABLE |
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83 | # define EV_STAT_ENABLE EV_FEATURE_WATCHERS |
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84 | #endif |
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85 | |
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86 | #ifndef EV_PREPARE_ENABLE |
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87 | # define EV_PREPARE_ENABLE EV_FEATURE_WATCHERS |
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88 | #endif |
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89 | |
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90 | #ifndef EV_CHECK_ENABLE |
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91 | # define EV_CHECK_ENABLE EV_FEATURE_WATCHERS |
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92 | #endif |
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93 | |
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94 | #ifndef EV_IDLE_ENABLE |
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95 | # define EV_IDLE_ENABLE EV_FEATURE_WATCHERS |
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96 | #endif |
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97 | |
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98 | #ifndef EV_FORK_ENABLE |
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99 | # define EV_FORK_ENABLE EV_FEATURE_WATCHERS |
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100 | #endif |
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101 | |
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102 | #ifndef EV_SIGNAL_ENABLE |
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103 | # define EV_SIGNAL_ENABLE EV_FEATURE_WATCHERS |
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104 | #endif |
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105 | |
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106 | #ifndef EV_CHILD_ENABLE |
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107 | # ifdef _WIN32 |
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108 | # define EV_CHILD_ENABLE 0 |
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109 | # else |
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110 | # define EV_CHILD_ENABLE EV_FEATURE_WATCHERS |
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111 | #endif |
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112 | #endif |
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113 | |
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114 | #ifndef EV_ASYNC_ENABLE |
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115 | # define EV_ASYNC_ENABLE EV_FEATURE_WATCHERS |
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116 | #endif |
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117 | |
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118 | #ifndef EV_EMBED_ENABLE |
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119 | # define EV_EMBED_ENABLE EV_FEATURE_WATCHERS |
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120 | #endif |
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121 | |
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122 | #ifndef EV_WALK_ENABLE |
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123 | # define EV_WALK_ENABLE 0 /* not yet */ |
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124 | #endif |
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125 | |
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126 | /*****************************************************************************/ |
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127 | |
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128 | #if EV_CHILD_ENABLE && !EV_SIGNAL_ENABLE |
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129 | # undef EV_SIGNAL_ENABLE |
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130 | # define EV_SIGNAL_ENABLE 1 |
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131 | #endif |
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132 | |
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133 | /*****************************************************************************/ |
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134 | |
37 | typedef double ev_tstamp; |
135 | typedef double ev_tstamp; |
38 | |
136 | |
39 | /* these priorities are inclusive, higher priorities will be called earlier */ |
137 | #ifndef EV_ATOMIC_T |
40 | #ifndef EV_MINPRI |
138 | # include <signal.h> |
41 | # define EV_MINPRI -2 |
139 | # define EV_ATOMIC_T sig_atomic_t volatile |
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140 | #endif |
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141 | |
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142 | #if EV_STAT_ENABLE |
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143 | # ifdef _WIN32 |
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144 | # include <time.h> |
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145 | # include <sys/types.h> |
42 | #endif |
146 | # endif |
43 | #ifndef EV_MAXPRI |
147 | # include <sys/stat.h> |
44 | # define EV_MAXPRI +2 |
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45 | #endif |
148 | #endif |
46 | |
149 | |
47 | #ifndef EV_MULTIPLICITY |
150 | #ifdef __cplusplus |
48 | # define EV_MULTIPLICITY 1 |
151 | # define EV_DEFARG(x) = x |
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152 | #else |
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153 | # define EV_DEFARG(x) |
49 | #endif |
154 | #endif |
50 | |
155 | |
51 | /* support multiple event loops? */ |
156 | /* support multiple event loops? */ |
52 | #if EV_MULTIPLICITY |
157 | #if EV_MULTIPLICITY |
53 | struct ev_loop; |
158 | struct ev_loop; |
54 | # define EV_P struct ev_loop *loop |
159 | # define EV_P struct ev_loop *loop |
55 | # define EV_P_ EV_P, |
160 | # define EV_P_ EV_P, |
56 | # define EV_A loop |
161 | # define EV_A loop |
57 | # define EV_A_ EV_A, |
162 | # define EV_A_ EV_A, |
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163 | # define EV_DEFAULT_UC ev_default_loop_uc () |
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164 | # define EV_DEFAULT_UC_ EV_DEFAULT_UC, |
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165 | # define EV_DEFAULT ev_default_loop (0) |
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166 | # define EV_DEFAULT_ EV_DEFAULT, |
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167 | # define EV_PDEF EV_P EV_DEFARG (EV_DEFAULT_UC) |
58 | #else |
168 | #else |
59 | # define EV_P void |
169 | # define EV_P void |
60 | # define EV_P_ |
170 | # define EV_P_ |
61 | # define EV_A |
171 | # define EV_A |
62 | # define EV_A_ |
172 | # define EV_A_ |
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173 | # define EV_DEFAULT |
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174 | # define EV_DEFAULT_ |
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175 | # define EV_DEFAULT_UC |
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176 | # define EV_DEFAULT_UC_ |
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177 | # define EV_PDEF EV_P |
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178 | # undef EV_EMBED_ENABLE |
63 | #endif |
179 | #endif |
64 | |
180 | |
65 | /* eventmask, revents, events... */ |
181 | #if __STDC_VERSION__ >= 199901L || __GNUC__ >= 3 |
66 | #define EV_UNDEF -1 /* guaranteed to be invalid */ |
182 | # define EV_INLINE static inline |
67 | #define EV_NONE 0x00 |
183 | #else |
68 | #define EV_READ 0x01 |
184 | # define EV_INLINE static |
69 | #define EV_WRITE 0x02 |
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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 |
185 | #endif |
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186 | |
83 | #ifndef EV_PROTOTYPES |
187 | #ifndef EV_PROTOTYPES |
84 | # define EV_PROTOTYPES 1 |
188 | # define EV_PROTOTYPES 1 |
85 | #endif |
189 | #endif |
86 | |
190 | |
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191 | /*****************************************************************************/ |
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192 | |
87 | #define EV_VERSION_MAJOR 1 |
193 | #define EV_VERSION_MAJOR 4 |
88 | #define EV_VERSION_MINOR 1 |
194 | #define EV_VERSION_MINOR 0 |
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195 | |
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196 | /* eventmask, revents, events... */ |
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197 | enum { |
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198 | EV_UNDEF = -1, /* guaranteed to be invalid */ |
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199 | EV_NONE = 0x00, /* no events */ |
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200 | EV_READ = 0x01, /* ev_io detected read will not block */ |
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201 | EV_WRITE = 0x02, /* ev_io detected write will not block */ |
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202 | EV__IOFDSET = 0x80, /* internal use only */ |
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203 | EV_IO = EV_READ, /* alias for type-detection */ |
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204 | EV_TIMER = 0x00000100, /* timer timed out */ |
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205 | #if EV_COMPAT3 |
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206 | EV_TIMEOUT = EV_TIMER, /* pre 4.0 API compatibility */ |
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207 | #endif |
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208 | EV_PERIODIC = 0x00000200, /* periodic timer timed out */ |
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209 | EV_SIGNAL = 0x00000400, /* signal was received */ |
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210 | EV_CHILD = 0x00000800, /* child/pid had status change */ |
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211 | EV_STAT = 0x00001000, /* stat data changed */ |
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212 | EV_IDLE = 0x00002000, /* event loop is idling */ |
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213 | EV_PREPARE = 0x00004000, /* event loop about to poll */ |
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214 | EV_CHECK = 0x00008000, /* event loop finished poll */ |
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215 | EV_EMBED = 0x00010000, /* embedded event loop needs sweep */ |
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216 | EV_FORK = 0x00020000, /* event loop resumed in child */ |
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217 | EV_ASYNC = 0x00040000, /* async intra-loop signal */ |
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218 | EV_CUSTOM = 0x01000000, /* for use by user code */ |
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219 | EV_ERROR = 0x80000000 /* sent when an error occurs */ |
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220 | }; |
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221 | |
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222 | /* can be used to add custom fields to all watchers, while losing binary compatibility */ |
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223 | #ifndef EV_COMMON |
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224 | # define EV_COMMON void *data; |
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225 | #endif |
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226 | |
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227 | #ifndef EV_CB_DECLARE |
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228 | # define EV_CB_DECLARE(type) void (*cb)(EV_P_ struct type *w, int revents); |
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229 | #endif |
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230 | #ifndef EV_CB_INVOKE |
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231 | # define EV_CB_INVOKE(watcher,revents) (watcher)->cb (EV_A_ (watcher), (revents)) |
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232 | #endif |
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233 | |
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234 | /* not official, do not use */ |
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235 | #define EV_CB(type,name) void name (EV_P_ struct ev_ ## type *w, int revents) |
89 | |
236 | |
90 | /* |
237 | /* |
91 | * struct member types: |
238 | * struct member types: |
92 | * private: you can look at them, but not change them, and they might not mean anything to you. |
239 | * private: you may look at them, but not change them, |
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240 | * and they might not mean anything to you. |
93 | * ro: can be read anytime, but only changed when the watcher isn't active |
241 | * ro: can be read anytime, but only changed when the watcher isn't active. |
94 | * rw: can be read and modified anytime, even when the watcher is active |
242 | * rw: can be read and modified anytime, even when the watcher is active. |
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243 | * |
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244 | * some internal details that might be helpful for debugging: |
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245 | * |
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246 | * active is either 0, which means the watcher is not active, |
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247 | * or the array index of the watcher (periodics, timers) |
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248 | * or the array index + 1 (most other watchers) |
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249 | * or simply 1 for watchers that aren't in some array. |
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250 | * pending is either 0, in which case the watcher isn't, |
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251 | * or the array index + 1 in the pendings array. |
95 | */ |
252 | */ |
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253 | |
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254 | #if EV_MINPRI == EV_MAXPRI |
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255 | # define EV_DECL_PRIORITY |
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256 | #elif !defined (EV_DECL_PRIORITY) |
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257 | # define EV_DECL_PRIORITY int priority; |
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258 | #endif |
96 | |
259 | |
97 | /* shared by all watchers */ |
260 | /* shared by all watchers */ |
98 | #define EV_WATCHER(type) \ |
261 | #define EV_WATCHER(type) \ |
99 | int active; /* private */ \ |
262 | int active; /* private */ \ |
100 | int pending; /* private */ \ |
263 | int pending; /* private */ \ |
101 | int priority; /* private */ \ |
264 | EV_DECL_PRIORITY /* private */ \ |
102 | EV_COMMON; /* rw */ \ |
265 | EV_COMMON /* rw */ \ |
103 | void (*cb)(EV_P_ struct type *, int revents); /* private */ /* gets invoked with an eventmask */ |
266 | EV_CB_DECLARE (type) /* private */ |
104 | |
267 | |
105 | #define EV_WATCHER_LIST(type) \ |
268 | #define EV_WATCHER_LIST(type) \ |
106 | EV_WATCHER (type); \ |
269 | EV_WATCHER (type) \ |
107 | struct ev_watcher_list *next /* private */ |
270 | struct ev_watcher_list *next; /* private */ |
108 | |
271 | |
109 | #define EV_WATCHER_TIME(type) \ |
272 | #define EV_WATCHER_TIME(type) \ |
110 | EV_WATCHER (type); \ |
273 | EV_WATCHER (type) \ |
111 | ev_tstamp at /* private */ |
274 | ev_tstamp at; /* private */ |
112 | |
275 | |
113 | /* base class, nothing to see here unless you subclass */ |
276 | /* base class, nothing to see here unless you subclass */ |
114 | struct ev_watcher { |
277 | typedef struct ev_watcher |
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278 | { |
115 | EV_WATCHER (ev_watcher); |
279 | EV_WATCHER (ev_watcher) |
116 | }; |
280 | } ev_watcher; |
117 | |
281 | |
118 | /* base class, nothing to see here unless you subclass */ |
282 | /* base class, nothing to see here unless you subclass */ |
119 | struct ev_watcher_list { |
283 | typedef struct ev_watcher_list |
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284 | { |
120 | EV_WATCHER_LIST (ev_watcher_list); |
285 | EV_WATCHER_LIST (ev_watcher_list) |
121 | }; |
286 | } ev_watcher_list; |
122 | |
287 | |
123 | /* base class, nothing to see here unless you subclass */ |
288 | /* base class, nothing to see here unless you subclass */ |
124 | struct ev_watcher_time { |
289 | typedef struct ev_watcher_time |
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290 | { |
125 | EV_WATCHER_TIME (ev_watcher_time); |
291 | EV_WATCHER_TIME (ev_watcher_time) |
126 | }; |
292 | } ev_watcher_time; |
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293 | |
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294 | /* invoked when fd is either EV_READable or EV_WRITEable */ |
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295 | /* revent EV_READ, EV_WRITE */ |
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296 | typedef struct ev_io |
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297 | { |
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298 | EV_WATCHER_LIST (ev_io) |
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299 | |
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300 | int fd; /* ro */ |
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301 | int events; /* ro */ |
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302 | } ev_io; |
127 | |
303 | |
128 | /* invoked after a specific time, repeatable (based on monotonic clock) */ |
304 | /* invoked after a specific time, repeatable (based on monotonic clock) */ |
129 | /* revent EV_TIMEOUT */ |
305 | /* revent EV_TIMEOUT */ |
130 | struct ev_timer |
306 | typedef struct ev_timer |
131 | { |
307 | { |
132 | EV_WATCHER_TIME (ev_timer); |
308 | EV_WATCHER_TIME (ev_timer) |
133 | |
309 | |
134 | ev_tstamp repeat; /* rw */ |
310 | ev_tstamp repeat; /* rw */ |
135 | }; |
311 | } ev_timer; |
136 | |
312 | |
137 | /* invoked at some specific time, possibly repeating at regular intervals (based on UTC) */ |
313 | /* invoked at some specific time, possibly repeating at regular intervals (based on UTC) */ |
138 | /* revent EV_PERIODIC */ |
314 | /* revent EV_PERIODIC */ |
139 | struct ev_periodic |
315 | typedef struct ev_periodic |
140 | { |
316 | { |
141 | EV_WATCHER_TIME (ev_periodic); |
317 | EV_WATCHER_TIME (ev_periodic) |
142 | |
318 | |
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319 | ev_tstamp offset; /* rw */ |
143 | ev_tstamp interval; /* rw */ |
320 | ev_tstamp interval; /* rw */ |
144 | }; |
321 | ev_tstamp (*reschedule_cb)(struct ev_periodic *w, ev_tstamp now); /* rw */ |
145 | |
322 | } ev_periodic; |
146 | /* invoked when fd is either EV_READable or EV_WRITEable */ |
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147 | /* revent EV_READ, EV_WRITE */ |
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148 | struct ev_io |
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149 | { |
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150 | EV_WATCHER_LIST (ev_io); |
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151 | |
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152 | int fd; /* ro */ |
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153 | int events; /* ro */ |
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154 | }; |
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155 | |
323 | |
156 | /* invoked when the given signal has been received */ |
324 | /* invoked when the given signal has been received */ |
157 | /* revent EV_SIGNAL */ |
325 | /* revent EV_SIGNAL */ |
158 | struct ev_signal |
326 | typedef struct ev_signal |
159 | { |
327 | { |
160 | EV_WATCHER_LIST (ev_signal); |
328 | EV_WATCHER_LIST (ev_signal) |
161 | #if EV_MULTIPLICITY |
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162 | struct ev_loop *loop; |
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163 | #endif |
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164 | |
329 | |
165 | int signum; /* ro */ |
330 | int signum; /* ro */ |
166 | }; |
331 | } ev_signal; |
167 | |
332 | |
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333 | /* invoked when sigchld is received and waitpid indicates the given pid */ |
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334 | /* revent EV_CHILD */ |
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335 | /* does not support priorities */ |
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336 | typedef struct ev_child |
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337 | { |
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338 | EV_WATCHER_LIST (ev_child) |
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339 | |
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340 | int flags; /* private */ |
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341 | int pid; /* ro */ |
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342 | int rpid; /* rw, holds the received pid */ |
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343 | int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */ |
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344 | } ev_child; |
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345 | |
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346 | #if EV_STAT_ENABLE |
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347 | /* st_nlink = 0 means missing file or other error */ |
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348 | # ifdef _WIN32 |
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349 | typedef struct _stati64 ev_statdata; |
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350 | # else |
|
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351 | typedef struct stat ev_statdata; |
|
|
352 | # endif |
|
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353 | |
|
|
354 | /* invoked each time the stat data changes for a given path */ |
|
|
355 | /* revent EV_STAT */ |
|
|
356 | typedef struct ev_stat |
|
|
357 | { |
|
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358 | EV_WATCHER_LIST (ev_stat) |
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359 | |
|
|
360 | ev_timer timer; /* private */ |
|
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361 | ev_tstamp interval; /* ro */ |
|
|
362 | const char *path; /* ro */ |
|
|
363 | ev_statdata prev; /* ro */ |
|
|
364 | ev_statdata attr; /* ro */ |
|
|
365 | |
|
|
366 | int wd; /* wd for inotify, fd for kqueue */ |
|
|
367 | } ev_stat; |
|
|
368 | #endif |
|
|
369 | |
|
|
370 | #if EV_IDLE_ENABLE |
168 | /* invoked when the nothing else needs to be done, keeps the process from blocking */ |
371 | /* invoked when the nothing else needs to be done, keeps the process from blocking */ |
169 | /* revent EV_IDLE */ |
372 | /* revent EV_IDLE */ |
170 | struct ev_idle |
373 | typedef struct ev_idle |
171 | { |
374 | { |
172 | EV_WATCHER (ev_idle); |
375 | EV_WATCHER (ev_idle) |
173 | }; |
376 | } ev_idle; |
|
|
377 | #endif |
174 | |
378 | |
175 | /* invoked for each run of the mainloop, just before the blocking call */ |
379 | /* invoked for each run of the mainloop, just before the blocking call */ |
176 | /* you can still change events in any way you like */ |
380 | /* you can still change events in any way you like */ |
177 | /* revent EV_PREPARE */ |
381 | /* revent EV_PREPARE */ |
178 | struct ev_prepare |
382 | typedef struct ev_prepare |
179 | { |
383 | { |
180 | EV_WATCHER (ev_prepare); |
384 | EV_WATCHER (ev_prepare) |
181 | }; |
385 | } ev_prepare; |
182 | |
386 | |
183 | /* invoked for each run of the mainloop, just after the blocking call */ |
387 | /* invoked for each run of the mainloop, just after the blocking call */ |
184 | /* revent EV_CHECK */ |
388 | /* revent EV_CHECK */ |
185 | struct ev_check |
389 | typedef struct ev_check |
186 | { |
390 | { |
187 | EV_WATCHER (ev_check); |
391 | EV_WATCHER (ev_check) |
|
|
392 | } ev_check; |
|
|
393 | |
|
|
394 | #if EV_FORK_ENABLE |
|
|
395 | /* the callback gets invoked before check in the child process when a fork was detected */ |
|
|
396 | typedef struct ev_fork |
|
|
397 | { |
|
|
398 | EV_WATCHER (ev_fork) |
|
|
399 | } ev_fork; |
|
|
400 | #endif |
|
|
401 | |
|
|
402 | #if EV_EMBED_ENABLE |
|
|
403 | /* used to embed an event loop inside another */ |
|
|
404 | /* the callback gets invoked when the event loop has handled events, and can be 0 */ |
|
|
405 | typedef struct ev_embed |
|
|
406 | { |
|
|
407 | EV_WATCHER (ev_embed) |
|
|
408 | |
|
|
409 | struct ev_loop *other; /* ro */ |
|
|
410 | ev_io io; /* private */ |
|
|
411 | ev_prepare prepare; /* private */ |
|
|
412 | ev_check check; /* unused */ |
|
|
413 | ev_timer timer; /* unused */ |
|
|
414 | ev_periodic periodic; /* unused */ |
|
|
415 | ev_idle idle; /* unused */ |
|
|
416 | ev_fork fork; /* private */ |
|
|
417 | } ev_embed; |
|
|
418 | #endif |
|
|
419 | |
|
|
420 | #if EV_ASYNC_ENABLE |
|
|
421 | /* invoked when somebody calls ev_async_send on the watcher */ |
|
|
422 | /* revent EV_ASYNC */ |
|
|
423 | typedef struct ev_async |
|
|
424 | { |
|
|
425 | EV_WATCHER (ev_async) |
|
|
426 | |
|
|
427 | EV_ATOMIC_T sent; /* private */ |
|
|
428 | } ev_async; |
|
|
429 | |
|
|
430 | # define ev_async_pending(w) (+(w)->sent) |
|
|
431 | #endif |
|
|
432 | |
|
|
433 | /* the presence of this union forces similar struct layout */ |
|
|
434 | union ev_any_watcher |
|
|
435 | { |
|
|
436 | struct ev_watcher w; |
|
|
437 | struct ev_watcher_list wl; |
|
|
438 | |
|
|
439 | struct ev_io io; |
|
|
440 | struct ev_timer timer; |
|
|
441 | struct ev_periodic periodic; |
|
|
442 | struct ev_signal signal; |
|
|
443 | struct ev_child child; |
|
|
444 | #if EV_STAT_ENABLE |
|
|
445 | struct ev_stat stat; |
|
|
446 | #endif |
|
|
447 | #if EV_IDLE_ENABLE |
|
|
448 | struct ev_idle idle; |
|
|
449 | #endif |
|
|
450 | struct ev_prepare prepare; |
|
|
451 | struct ev_check check; |
|
|
452 | #if EV_FORK_ENABLE |
|
|
453 | struct ev_fork fork; |
|
|
454 | #endif |
|
|
455 | #if EV_EMBED_ENABLE |
|
|
456 | struct ev_embed embed; |
|
|
457 | #endif |
|
|
458 | #if EV_ASYNC_ENABLE |
|
|
459 | struct ev_async async; |
|
|
460 | #endif |
188 | }; |
461 | }; |
189 | |
462 | |
190 | /* invoked when sigchld is received and waitpid indicates the givne pid */ |
463 | /* flag bits for ev_default_loop and ev_loop_new */ |
191 | /* revent EV_CHILD */ |
464 | enum { |
192 | /* does not support priorities */ |
465 | /* the default */ |
193 | struct ev_child |
466 | EVFLAG_AUTO = 0x00000000U, /* not quite a mask */ |
194 | { |
467 | /* flag bits */ |
195 | EV_WATCHER_LIST (ev_child); |
468 | EVFLAG_NOENV = 0x01000000U, /* do NOT consult environment */ |
196 | |
469 | EVFLAG_FORKCHECK = 0x02000000U, /* check for a fork in each iteration */ |
197 | int pid; /* ro */ |
470 | /* debugging/feature disable */ |
198 | int rpid; /* rw, holds the received pid */ |
471 | EVFLAG_NOINOTIFY = 0x00100000U, /* do not attempt to use inotify */ |
199 | int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */ |
472 | #if EV_COMPAT3 |
|
|
473 | EVFLAG_NOSIGFD = 0, /* compatibility to pre-3.9 */ |
|
|
474 | #endif |
|
|
475 | EVFLAG_SIGNALFD = 0x00200000U /* attempt to use signalfd */ |
200 | }; |
476 | }; |
201 | |
477 | |
202 | #define EVMETHOD_AUTO 0 /* consults environment */ |
478 | /* method bits to be ored together */ |
203 | #define EVMETHOD_SELECT 1 |
479 | enum { |
204 | #define EVMETHOD_POLL 2 |
480 | EVBACKEND_SELECT = 0x00000001U, /* about anywhere */ |
205 | #define EVMETHOD_EPOLL 4 |
481 | EVBACKEND_POLL = 0x00000002U, /* !win */ |
206 | #define EVMETHOD_KQUEUE 8 |
482 | EVBACKEND_EPOLL = 0x00000004U, /* linux */ |
207 | #define EVMETHOD_DEVPOLL 16 /* NYI */ |
483 | EVBACKEND_KQUEUE = 0x00000008U, /* bsd */ |
208 | #define EVMETHOD_PORT 32 /* NYI */ |
484 | EVBACKEND_DEVPOLL = 0x00000010U, /* solaris 8 */ /* NYI */ |
209 | #define EVMETHOD_WIN32 64 /* NYI */ |
485 | EVBACKEND_PORT = 0x00000020U, /* solaris 10 */ |
210 | #define EVMETHOD_ANY ~0 /* any method, do not consult env */ |
486 | EVBACKEND_ALL = 0x0000003FU |
|
|
487 | }; |
211 | |
488 | |
212 | #if EV_PROTOTYPES |
489 | #if EV_PROTOTYPES |
213 | int ev_version_major (void); |
490 | int ev_version_major (void); |
214 | int ev_version_minor (void); |
491 | int ev_version_minor (void); |
215 | |
492 | |
|
|
493 | unsigned int ev_supported_backends (void); |
|
|
494 | unsigned int ev_recommended_backends (void); |
|
|
495 | unsigned int ev_embeddable_backends (void); |
|
|
496 | |
216 | ev_tstamp ev_time (void); |
497 | ev_tstamp ev_time (void); |
|
|
498 | void ev_sleep (ev_tstamp delay); /* sleep for a while */ |
217 | |
499 | |
|
|
500 | /* Sets the allocation function to use, works like realloc. |
|
|
501 | * It is used to allocate and free memory. |
|
|
502 | * If it returns zero when memory needs to be allocated, the library might abort |
|
|
503 | * or take some potentially destructive action. |
|
|
504 | * The default is your system realloc function. |
|
|
505 | */ |
|
|
506 | void ev_set_allocator (void *(*cb)(void *ptr, long size)); |
|
|
507 | |
|
|
508 | /* set the callback function to call on a |
|
|
509 | * retryable syscall error |
|
|
510 | * (such as failed select, poll, epoll_wait) |
|
|
511 | */ |
|
|
512 | void ev_set_syserr_cb (void (*cb)(const char *msg)); |
|
|
513 | |
218 | # if EV_MULTIPLICITY |
514 | #if EV_MULTIPLICITY |
|
|
515 | EV_INLINE struct ev_loop * |
|
|
516 | ev_default_loop_uc (void) |
|
|
517 | { |
|
|
518 | extern struct ev_loop *ev_default_loop_ptr; |
|
|
519 | |
|
|
520 | return ev_default_loop_ptr; |
|
|
521 | } |
|
|
522 | |
219 | /* the default loop is the only one that handles signals and child watchers */ |
523 | /* the default loop is the only one that handles signals and child watchers */ |
220 | /* you can call this as often as you like */ |
524 | /* you can call this as often as you like */ |
221 | struct ev_loop *ev_default_loop (int methods); /* returns default loop */ |
525 | EV_INLINE struct ev_loop * |
|
|
526 | ev_default_loop (unsigned int flags EV_DEFARG (0)) |
|
|
527 | { |
|
|
528 | struct ev_loop *loop = ev_default_loop_uc (); |
|
|
529 | |
|
|
530 | if (!loop) |
|
|
531 | { |
|
|
532 | extern struct ev_loop *ev_default_loop_init (unsigned int flags); |
|
|
533 | |
|
|
534 | loop = ev_default_loop_init (flags); |
|
|
535 | } |
|
|
536 | |
|
|
537 | return loop; |
|
|
538 | } |
222 | |
539 | |
223 | /* create and destroy alternative loops that don't handle signals */ |
540 | /* create and destroy alternative loops that don't handle signals */ |
224 | struct ev_loop *ev_loop_new (int methods); |
541 | struct ev_loop *ev_loop_new (unsigned int flags EV_DEFARG (0)); |
225 | void ev_loop_destroy (EV_P); |
542 | void ev_loop_destroy (EV_PDEF); |
226 | void ev_loop_fork (EV_P); |
543 | void ev_loop_fork (EV_PDEF); |
|
|
544 | |
|
|
545 | ev_tstamp ev_now (EV_PDEF); /* time w.r.t. timers and the eventloop, updated after each poll */ |
|
|
546 | |
227 | # else |
547 | #else |
|
|
548 | |
228 | int ev_default_loop (int methods); /* returns true when successful */ |
549 | int ev_default_loop (unsigned int flags EV_DEFARG (0)); /* returns true when successful */ |
|
|
550 | |
|
|
551 | EV_INLINE ev_tstamp |
|
|
552 | ev_now (void) |
|
|
553 | { |
|
|
554 | extern ev_tstamp ev_rt_now; |
|
|
555 | |
|
|
556 | return ev_rt_now; |
|
|
557 | } |
|
|
558 | #endif /* multiplicity */ |
|
|
559 | |
|
|
560 | EV_INLINE int |
|
|
561 | ev_is_default_loop (EV_PDEF) |
|
|
562 | { |
|
|
563 | #if EV_MULTIPLICITY |
|
|
564 | extern struct ev_loop *ev_default_loop_ptr; |
|
|
565 | |
|
|
566 | return !!(EV_A == ev_default_loop_ptr); |
|
|
567 | #else |
|
|
568 | return 1; |
229 | # endif |
569 | #endif |
|
|
570 | } |
230 | |
571 | |
231 | void ev_default_destroy (void); /* destroy the default loop */ |
572 | void ev_default_destroy (void); /* destroy the default loop */ |
232 | /* this needs to be called after fork, to duplicate the default loop */ |
573 | /* this needs to be called after fork, to duplicate the default loop */ |
233 | /* if you create alternative loops you have to call ev_loop_fork on them */ |
574 | /* if you create alternative loops you have to call ev_loop_fork on them */ |
234 | /* you can call it in either the parent or the child */ |
575 | /* you can call it in either the parent or the child */ |
235 | /* you can actually call it at any time, anywhere :) */ |
576 | /* you can actually call it at any time, anywhere :) */ |
236 | void ev_default_fork (void); |
577 | void ev_default_fork (void); |
237 | |
578 | |
238 | int ev_method (EV_P); |
579 | unsigned int ev_backend (EV_PDEF); /* backend in use by loop */ |
239 | #endif |
|
|
240 | |
580 | |
241 | #define EVLOOP_NONBLOCK 1 /* do not block/wait */ |
581 | void ev_now_update (EV_PDEF); /* update event loop time */ |
242 | #define EVLOOP_ONESHOT 2 /* block *once* only */ |
582 | |
243 | #define EVUNLOOP_ONCE 1 /* unloop once */ |
583 | #if EV_WALK_ENABLE |
|
|
584 | /* walk (almost) all watchers in the loop of a given type, invoking the */ |
|
|
585 | /* callback on every such watcher. The callback might stop the watcher, */ |
|
|
586 | /* but do nothing else with the loop */ |
|
|
587 | void ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)); |
|
|
588 | #endif |
|
|
589 | |
|
|
590 | #endif /* prototypes */ |
|
|
591 | |
|
|
592 | /* ev_run flags values */ |
|
|
593 | enum { |
|
|
594 | EVRUN_NOWAIT = 1, /* do not block/wait */ |
|
|
595 | EVRUN_ONCE = 2 /* block *once* only */ |
|
|
596 | }; |
|
|
597 | |
|
|
598 | /* ev_break how values */ |
|
|
599 | enum { |
|
|
600 | EVBREAK_CANCEL = 0, /* undo unloop */ |
|
|
601 | EVBREAK_ONE = 1, /* unloop once */ |
244 | #define EVUNLOOP_ALL 2 /* unloop all loops */ |
602 | EVBREAK_ALL = 2 /* unloop all loops */ |
|
|
603 | }; |
245 | |
604 | |
246 | #if EV_PROTOTYPES |
605 | #if EV_PROTOTYPES |
247 | void ev_loop (EV_P_ int flags); |
606 | void ev_run (EV_P_ int flags EV_DEFARG (0)); |
248 | void ev_unloop (EV_P_ int how); /* set to 1 to break out of event loop, set to 2 to break out of all event loops */ |
607 | void ev_break (EV_P_ int how EV_DEFARG (EVBREAK_ONE)); /* break out of the loop */ |
249 | |
|
|
250 | ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */ |
|
|
251 | |
608 | |
252 | /* |
609 | /* |
253 | * ref/unref can be used to add or remove a refcount on the mainloop. every watcher |
610 | * ref/unref can be used to add or remove a refcount on the mainloop. every watcher |
254 | * keeps one reference. if you have a long-runing watcher you never unregister that |
611 | * keeps one reference. if you have a long-running watcher you never unregister that |
255 | * should not keep ev_loop from running, unref() after starting, and ref() before stopping. |
612 | * should not keep ev_loop from running, unref() after starting, and ref() before stopping. |
256 | */ |
613 | */ |
257 | void ev_ref (EV_P); |
614 | void ev_ref (EV_PDEF); |
258 | void ev_unref (EV_P); |
615 | void ev_unref (EV_PDEF); |
259 | |
616 | |
|
|
617 | /* |
260 | /* convinience function, wait for a single event, without registering an event watcher */ |
618 | * convenience function, wait for a single event, without registering an event watcher |
261 | /* if timeout is < 0, do wait indefinitely */ |
619 | * if timeout is < 0, do wait indefinitely |
|
|
620 | */ |
262 | void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg); |
621 | void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg); |
|
|
622 | |
|
|
623 | # if EV_FEATURE_API |
|
|
624 | unsigned int ev_iteration (EV_PDEF); /* number of loop iterations */ |
|
|
625 | unsigned int ev_depth (EV_PDEF); /* #ev_loop enters - #ev_loop leaves */ |
|
|
626 | void ev_verify (EV_PDEF); /* abort if loop data corrupted */ |
|
|
627 | |
|
|
628 | void ev_set_io_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */ |
|
|
629 | void ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */ |
|
|
630 | |
|
|
631 | /* advanced stuff for threading etc. support, see docs */ |
|
|
632 | void ev_set_userdata (EV_P_ void *data); |
|
|
633 | void *ev_userdata (EV_PDEF); |
|
|
634 | void ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)); |
|
|
635 | void ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P)); |
|
|
636 | |
|
|
637 | unsigned int ev_pending_count (EV_PDEF); /* number of pending events, if any */ |
|
|
638 | void ev_invoke_pending (EV_PDEF); /* invoke all pending watchers */ |
|
|
639 | |
|
|
640 | /* |
|
|
641 | * stop/start the timer handling. |
|
|
642 | */ |
|
|
643 | void ev_suspend (EV_PDEF); |
|
|
644 | void ev_resume (EV_PDEF); |
|
|
645 | #endif |
|
|
646 | |
263 | #endif |
647 | #endif |
264 | |
648 | |
265 | /* these may evaluate ev multiple times, and the other arguments at most once */ |
649 | /* these may evaluate ev multiple times, and the other arguments at most once */ |
266 | /* either use ev_watcher_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */ |
650 | /* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */ |
267 | #define ev_watcher_init(ev,cb_) do { \ |
651 | #define ev_init(ev,cb_) do { \ |
268 | ((struct ev_watcher *)(ev))->active = \ |
652 | ((ev_watcher *)(void *)(ev))->active = \ |
269 | ((struct ev_watcher *)(ev))->pending = \ |
653 | ((ev_watcher *)(void *)(ev))->pending = 0; \ |
270 | ((struct ev_watcher *)(ev))->priority = 0; \ |
654 | ev_set_priority ((ev), 0); \ |
271 | (ev)->cb = (cb_); \ |
655 | ev_set_cb ((ev), cb_); \ |
272 | } while (0) |
656 | } while (0) |
273 | |
657 | |
274 | #define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_); } while (0) |
658 | #define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_) | EV__IOFDSET; } while (0) |
275 | #define ev_timer_set(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); } while (0) |
659 | #define ev_timer_set(ev,after_,repeat_) do { ((ev_watcher_time *)(ev))->at = (after_); (ev)->repeat = (repeat_); } while (0) |
276 | #define ev_periodic_set(ev,at_,interval_) do { (ev)->at = (at_); (ev)->interval = (interval_); } while (0) |
660 | #define ev_periodic_set(ev,ofs_,ival_,rcb_) do { (ev)->offset = (ofs_); (ev)->interval = (ival_); (ev)->reschedule_cb = (rcb_); } while (0) |
277 | #define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0) |
661 | #define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0) |
|
|
662 | #define ev_child_set(ev,pid_,trace_) do { (ev)->pid = (pid_); (ev)->flags = !!(trace_); } while (0) |
|
|
663 | #define ev_stat_set(ev,path_,interval_) do { (ev)->path = (path_); (ev)->interval = (interval_); (ev)->wd = -2; } while (0) |
278 | #define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */ |
664 | #define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */ |
279 | #define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */ |
665 | #define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */ |
280 | #define ev_check_set(ev) /* nop, yes, this is a serious in-joke */ |
666 | #define ev_check_set(ev) /* nop, yes, this is a serious in-joke */ |
281 | #define ev_child_set(ev,pid_) do { (ev)->pid = (pid_); } while (0) |
667 | #define ev_embed_set(ev,other_) do { (ev)->other = (other_); } while (0) |
|
|
668 | #define ev_fork_set(ev) /* nop, yes, this is a serious in-joke */ |
|
|
669 | #define ev_async_set(ev) /* nop, yes, this is a serious in-joke */ |
282 | |
670 | |
283 | #define ev_io_init(ev,cb,fd,events) do { ev_watcher_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0) |
671 | #define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0) |
284 | #define ev_timer_init(ev,cb,after,repeat) do { ev_watcher_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0) |
672 | #define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0) |
285 | #define ev_periodic_init(ev,cb,at,interval) do { ev_watcher_init ((ev), (cb)); ev_periodic_set ((ev),(at),(interval)); } while (0) |
673 | #define ev_periodic_init(ev,cb,ofs,ival,rcb) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(ofs),(ival),(rcb)); } while (0) |
286 | #define ev_signal_init(ev,cb,signum) do { ev_watcher_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0) |
674 | #define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0) |
|
|
675 | #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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676 | #define ev_stat_init(ev,cb,path,interval) do { ev_init ((ev), (cb)); ev_stat_set ((ev),(path),(interval)); } while (0) |
287 | #define ev_idle_init(ev,cb) do { ev_watcher_init ((ev), (cb)); ev_idle_set ((ev)); } while (0) |
677 | #define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0) |
288 | #define ev_prepare_init(ev,cb) do { ev_watcher_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0) |
678 | #define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0) |
289 | #define ev_check_init(ev,cb) do { ev_watcher_init ((ev), (cb)); ev_check_set ((ev)); } while (0) |
679 | #define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0) |
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680 | #define ev_embed_init(ev,cb,other) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(other)); } while (0) |
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681 | #define ev_fork_init(ev,cb) do { ev_init ((ev), (cb)); ev_fork_set ((ev)); } while (0) |
290 | #define ev_child_init(ev,cb,pid) do { ev_watcher_init ((ev), (cb)); ev_child_set ((ev),(pid)); } while (0) |
682 | #define ev_async_init(ev,cb) do { ev_init ((ev), (cb)); ev_async_set ((ev)); } while (0) |
291 | |
683 | |
292 | #define ev_is_pending(ev) (0 + ((struct ev_watcher *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */ |
684 | #define ev_is_pending(ev) (0 + ((ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */ |
293 | #define ev_is_active(ev) (0 + ((struct ev_watcher *)(ev))->active) /* ro, true when the watcher has been started */ |
685 | #define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */ |
294 | |
686 | |
295 | #define ev_priority(ev) ((struct ev_watcher *)(ev))->priority /* rw */ |
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296 | #define ev_cb(ev) (ev)->cb /* rw */ |
687 | #define ev_cb(ev) (ev)->cb /* rw */ |
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688 | |
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689 | #if EV_MINPRI == EV_MAXPRI |
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690 | # define ev_priority(ev) ((ev), EV_MINPRI) |
297 | #define ev_set_priority(ev,pri) ev_priority (ev) = (pri) |
691 | # define ev_set_priority(ev,pri) ((ev), (pri)) |
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692 | #else |
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693 | # define ev_priority(ev) (+(((ev_watcher *)(void *)(ev))->priority)) |
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694 | # define ev_set_priority(ev,pri) ( (ev_watcher *)(void *)(ev))->priority = (pri) |
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695 | #endif |
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696 | |
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697 | #define ev_periodic_at(ev) (+((ev_watcher_time *)(ev))->at) |
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698 | |
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699 | #ifndef ev_set_cb |
298 | #define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_) |
700 | # define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_) |
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701 | #endif |
299 | |
702 | |
300 | /* stopping (enabling, adding) a watcher does nothing if it is already running */ |
703 | /* stopping (enabling, adding) a watcher does nothing if it is already running */ |
301 | /* stopping (disabling, deleting) a watcher does nothing unless its already running */ |
704 | /* stopping (disabling, deleting) a watcher does nothing unless its already running */ |
302 | #if EV_PROTOTYPES |
705 | #if EV_PROTOTYPES |
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706 | |
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707 | /* feeds an event into a watcher as if the event actually occured */ |
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708 | /* accepts any ev_watcher type */ |
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709 | void ev_feed_event (EV_P_ void *w, int revents); |
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710 | void ev_feed_fd_event (EV_P_ int fd, int revents); |
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711 | #if EV_SIGNAL_ENABLE |
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712 | void ev_feed_signal_event (EV_P_ int signum); |
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713 | #endif |
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714 | void ev_invoke (EV_P_ void *w, int revents); |
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715 | int ev_clear_pending (EV_P_ void *w); |
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716 | |
303 | void ev_io_start (EV_P_ struct ev_io *w); |
717 | void ev_io_start (EV_P_ ev_io *w); |
304 | void ev_io_stop (EV_P_ struct ev_io *w); |
718 | void ev_io_stop (EV_P_ ev_io *w); |
305 | |
719 | |
306 | void ev_timer_start (EV_P_ struct ev_timer *w); |
720 | void ev_timer_start (EV_P_ ev_timer *w); |
307 | void ev_timer_stop (EV_P_ struct ev_timer *w); |
721 | void ev_timer_stop (EV_P_ ev_timer *w); |
308 | /* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */ |
722 | /* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */ |
309 | void ev_timer_again (EV_P_ struct ev_timer *w); |
723 | void ev_timer_again (EV_P_ ev_timer *w); |
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724 | /* return remaining time */ |
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725 | ev_tstamp ev_timer_remaining (EV_P_ ev_timer *w); |
310 | |
726 | |
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727 | #if EV_PERIODIC_ENABLE |
311 | void ev_periodic_start (EV_P_ struct ev_periodic *w); |
728 | void ev_periodic_start (EV_P_ ev_periodic *w); |
312 | void ev_periodic_stop (EV_P_ struct ev_periodic *w); |
729 | void ev_periodic_stop (EV_P_ ev_periodic *w); |
313 | |
730 | void ev_periodic_again (EV_P_ ev_periodic *w); |
314 | void ev_idle_start (EV_P_ struct ev_idle *w); |
731 | #endif |
315 | void ev_idle_stop (EV_P_ struct ev_idle *w); |
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316 | |
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317 | void ev_prepare_start (EV_P_ struct ev_prepare *w); |
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318 | void ev_prepare_stop (EV_P_ struct ev_prepare *w); |
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319 | |
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320 | void ev_check_start (EV_P_ struct ev_check *w); |
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321 | void ev_check_stop (EV_P_ struct ev_check *w); |
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322 | |
732 | |
323 | /* only supported in the default loop */ |
733 | /* only supported in the default loop */ |
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734 | #if EV_SIGNAL_ENABLE |
324 | void ev_signal_start (EV_P_ struct ev_signal *w); |
735 | void ev_signal_start (EV_P_ ev_signal *w); |
325 | void ev_signal_stop (EV_P_ struct ev_signal *w); |
736 | void ev_signal_stop (EV_P_ ev_signal *w); |
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737 | #endif |
326 | |
738 | |
327 | /* only supported in the default loop */ |
739 | /* only supported in the default loop */ |
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740 | # if EV_CHILD_ENABLE |
328 | void ev_child_start (EV_P_ struct ev_child *w); |
741 | void ev_child_start (EV_P_ ev_child *w); |
329 | void ev_child_stop (EV_P_ struct ev_child *w); |
742 | void ev_child_stop (EV_P_ ev_child *w); |
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743 | # endif |
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744 | |
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745 | # if EV_STAT_ENABLE |
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746 | void ev_stat_start (EV_P_ ev_stat *w); |
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747 | void ev_stat_stop (EV_P_ ev_stat *w); |
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748 | void ev_stat_stat (EV_P_ ev_stat *w); |
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749 | # endif |
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750 | |
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751 | # if EV_IDLE_ENABLE |
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752 | void ev_idle_start (EV_P_ ev_idle *w); |
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753 | void ev_idle_stop (EV_P_ ev_idle *w); |
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754 | # endif |
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755 | |
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756 | #if EV_PREPARE_ENABLE |
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757 | void ev_prepare_start (EV_P_ ev_prepare *w); |
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758 | void ev_prepare_stop (EV_P_ ev_prepare *w); |
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759 | #endif |
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760 | |
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761 | #if EV_CHECK_ENABLE |
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762 | void ev_check_start (EV_P_ ev_check *w); |
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763 | void ev_check_stop (EV_P_ ev_check *w); |
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764 | #endif |
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765 | |
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766 | # if EV_FORK_ENABLE |
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767 | void ev_fork_start (EV_P_ ev_fork *w); |
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768 | void ev_fork_stop (EV_P_ ev_fork *w); |
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769 | # endif |
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770 | |
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771 | # if EV_EMBED_ENABLE |
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772 | /* only supported when loop to be embedded is in fact embeddable */ |
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773 | void ev_embed_start (EV_P_ ev_embed *w); |
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774 | void ev_embed_stop (EV_P_ ev_embed *w); |
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775 | void ev_embed_sweep (EV_P_ ev_embed *w); |
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776 | # endif |
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777 | |
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778 | # if EV_ASYNC_ENABLE |
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779 | void ev_async_start (EV_P_ ev_async *w); |
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780 | void ev_async_stop (EV_P_ ev_async *w); |
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781 | void ev_async_send (EV_P_ ev_async *w); |
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782 | # endif |
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783 | |
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784 | #if EV_COMPAT3 |
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785 | #define EVLOOP_NONBLOCK EVRUN_NOWAIT |
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786 | #define EVLOOP_ONESHOT EVRUN_ONCE |
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787 | #define EVUNLOOP_CANCEL EVBREAK_CANCEL |
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788 | #define EVUNLOOP_ONE EVBREAK_ONE |
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789 | #define EVUNLOOP_ALL EVBREAK_ALL |
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790 | #if EV_PROTOTYPES |
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791 | EV_INLINE void ev_loop (EV_P_ int flags) { ev_run (EV_A_ flags); } |
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792 | EV_INLINE void ev_unloop (EV_P_ int how ) { ev_break (EV_A_ how ); } |
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793 | #if EV_FEATURE_API |
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794 | EV_INLINE void ev_loop_count (EV_P) { ev_iteration (EV_A); } |
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795 | EV_INLINE void ev_loop_depth (EV_P) { ev_depth (EV_A); } |
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796 | EV_INLINE void ev_loop_verify (EV_P) { ev_verify (EV_A); } |
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797 | #endif |
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798 | #endif |
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799 | #else |
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800 | typedef struct ev_loop ev_loop; |
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801 | #endif |
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802 | |
330 | #endif |
803 | #endif |
331 | |
804 | |
332 | #ifdef __cplusplus |
805 | #ifdef __cplusplus |
333 | } |
806 | } |
334 | #endif |
807 | #endif |