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 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 | |
… | |
… | |
46 | |
56 | |
47 | #ifndef EV_MULTIPLICITY |
57 | #ifndef EV_MULTIPLICITY |
48 | # define EV_MULTIPLICITY 1 |
58 | # define EV_MULTIPLICITY 1 |
49 | #endif |
59 | #endif |
50 | |
60 | |
51 | #ifndef EV_PERIODICS |
61 | #ifndef EV_PERIODIC_ENABLE |
52 | # define EV_PERIODICS 1 |
62 | # define EV_PERIODIC_ENABLE 1 |
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63 | #endif |
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64 | |
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65 | #ifndef EV_STAT_ENABLE |
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66 | # define EV_STAT_ENABLE 1 |
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67 | #endif |
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68 | |
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69 | #ifndef EV_PREPARE_ENABLE |
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70 | # define EV_PREPARE_ENABLE 1 |
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71 | #endif |
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72 | |
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73 | #ifndef EV_CHECK_ENABLE |
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74 | # define EV_CHECK_ENABLE 1 |
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75 | #endif |
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76 | |
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77 | #ifndef EV_IDLE_ENABLE |
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78 | # define EV_IDLE_ENABLE 1 |
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79 | #endif |
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80 | |
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81 | #ifndef EV_FORK_ENABLE |
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82 | # define EV_FORK_ENABLE 1 |
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83 | #endif |
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84 | |
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85 | #ifndef EV_SIGNAL_ENABLE |
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86 | # define EV_SIGNAL_ENABLE 1 |
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87 | #endif |
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88 | |
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89 | #ifndef EV_CHILD_ENABLE |
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90 | # ifdef _WIN32 |
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91 | # define EV_CHILD_ENABLE 0 |
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92 | # else |
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93 | # define EV_CHILD_ENABLE 1 |
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94 | #endif |
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95 | #endif |
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96 | |
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97 | #ifndef EV_ASYNC_ENABLE |
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98 | # define EV_ASYNC_ENABLE 1 |
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99 | #endif |
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100 | |
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101 | #ifndef EV_EMBED_ENABLE |
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102 | # define EV_EMBED_ENABLE 1 |
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103 | #endif |
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104 | |
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105 | #ifndef EV_WALK_ENABLE |
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106 | # define EV_WALK_ENABLE 0 /* not yet */ |
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107 | #endif |
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108 | |
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109 | #ifndef EV_ATOMIC_T |
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110 | # include <signal.h> |
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111 | # define EV_ATOMIC_T sig_atomic_t volatile |
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112 | #endif |
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113 | |
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114 | /*****************************************************************************/ |
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115 | |
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116 | #if EV_CHILD_ENABLE && !EV_SIGNAL_ENABLE |
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117 | # undef EV_SIGNAL_ENABLE |
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118 | # define EV_SIGNAL_ENABLE 1 |
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119 | #endif |
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120 | |
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121 | #if EV_STAT_ENABLE |
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122 | # ifdef _WIN32 |
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123 | # include <time.h> |
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124 | # include <sys/types.h> |
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125 | # endif |
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126 | # include <sys/stat.h> |
53 | #endif |
127 | #endif |
54 | |
128 | |
55 | /* support multiple event loops? */ |
129 | /* support multiple event loops? */ |
56 | #if EV_MULTIPLICITY |
130 | #if EV_MULTIPLICITY |
57 | struct ev_loop; |
131 | struct ev_loop; |
58 | # define EV_P struct ev_loop *loop |
132 | # define EV_P struct ev_loop *loop |
59 | # define EV_P_ EV_P, |
133 | # define EV_P_ EV_P, |
60 | # define EV_A loop |
134 | # define EV_A loop |
61 | # define EV_A_ EV_A, |
135 | # define EV_A_ EV_A, |
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136 | # define EV_DEFAULT_UC ev_default_loop_uc () |
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137 | # define EV_DEFAULT_UC_ EV_DEFAULT_UC, |
62 | # define EV_DEFAULT_A ev_default_loop (0) |
138 | # define EV_DEFAULT ev_default_loop (0) |
63 | # define EV_DEFAULT_A_ EV_DEFAULT_A, |
139 | # define EV_DEFAULT_ EV_DEFAULT, |
64 | #else |
140 | #else |
65 | # define EV_P void |
141 | # define EV_P void |
66 | # define EV_P_ |
142 | # define EV_P_ |
67 | # define EV_A |
143 | # define EV_A |
68 | # define EV_A_ |
144 | # define EV_A_ |
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145 | # define EV_DEFAULT |
69 | # define EV_DEFAULT_A |
146 | # define EV_DEFAULT_ |
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147 | # define EV_DEFAULT_UC |
70 | # define EV_DEFAULT_A_ |
148 | # define EV_DEFAULT_UC_ |
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149 | # undef EV_EMBED_ENABLE |
71 | #endif |
150 | #endif |
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151 | |
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152 | #if __STDC_VERSION__ >= 199901L || __GNUC__ >= 3 |
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153 | # define EV_INLINE static inline |
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154 | #else |
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155 | # define EV_INLINE static |
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156 | #endif |
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157 | |
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158 | /*****************************************************************************/ |
72 | |
159 | |
73 | /* eventmask, revents, events... */ |
160 | /* eventmask, revents, events... */ |
74 | #define EV_UNDEF -1L /* guaranteed to be invalid */ |
161 | #define EV_UNDEF -1 /* guaranteed to be invalid */ |
75 | #define EV_NONE 0x00L |
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76 | #define EV_READ 0x01L /* io only */ |
162 | #define EV_NONE 0x00 /* no events */ |
77 | #define EV_WRITE 0x02L /* io only */ |
163 | #define EV_READ 0x01 /* ev_io detected read will not block */ |
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164 | #define EV_WRITE 0x02 /* ev_io detected write will not block */ |
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165 | #define EV__IOFDSET 0x80 /* internal use only */ |
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166 | #define EV_IO EV_READ /* alias for type-detection */ |
78 | #define EV_TIMEOUT 0x000100L /* timer only */ |
167 | #define EV_TIMEOUT 0x00000100 /* timer timed out */ |
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168 | #define EV_TIMER EV_TIMEOUT /* alias for type-detection */ |
79 | #define EV_PERIODIC 0x000200L /* periodic timer only */ |
169 | #define EV_PERIODIC 0x00000200 /* periodic timer timed out */ |
80 | #define EV_SIGNAL 0x000400L /* signal only */ |
170 | #define EV_SIGNAL 0x00000400 /* signal was received */ |
81 | #define EV_IDLE 0x000800L /* idle only */ |
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82 | #define EV_CHECK 0x001000L /* check only */ |
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83 | #define EV_PREPARE 0x002000L /* prepare only */ |
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84 | #define EV_CHILD 0x004000L /* child/pid only */ |
171 | #define EV_CHILD 0x00000800 /* child/pid had status change */ |
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172 | #define EV_STAT 0x00001000 /* stat data changed */ |
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173 | #define EV_IDLE 0x00002000 /* event loop is idling */ |
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174 | #define EV_PREPARE 0x00004000 /* event loop about to poll */ |
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175 | #define EV_CHECK 0x00008000 /* event loop finished poll */ |
85 | #define EV_EMBED 0x008000L /* embedded event loop */ |
176 | #define EV_EMBED 0x00010000 /* embedded event loop needs sweep */ |
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177 | #define EV_FORK 0x00020000 /* event loop resumed in child */ |
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178 | #define EV_ASYNC 0x00040000 /* async intra-loop signal */ |
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179 | #define EV_CUSTOM 0x01000000 /* for use by user code */ |
86 | #define EV_ERROR 0x800000L /* sent when an error occurs */ |
180 | #define EV_ERROR 0x80000000 /* sent when an error occurs */ |
87 | |
181 | |
88 | /* can be used to add custom fields to all watchers, while losing binary compatibility */ |
182 | /* can be used to add custom fields to all watchers, while losing binary compatibility */ |
89 | #ifndef EV_COMMON |
183 | #ifndef EV_COMMON |
90 | # define EV_COMMON void *data; |
184 | # define EV_COMMON void *data; |
91 | #endif |
185 | #endif |
92 | #ifndef EV_PROTOTYPES |
186 | #ifndef EV_PROTOTYPES |
93 | # define EV_PROTOTYPES 1 |
187 | # define EV_PROTOTYPES 1 |
94 | #endif |
188 | #endif |
95 | |
189 | |
96 | #define EV_VERSION_MAJOR 1 |
190 | #define EV_VERSION_MAJOR 3 |
97 | #define EV_VERSION_MINOR 1 |
191 | #define EV_VERSION_MINOR 9 |
98 | |
192 | |
99 | #ifndef EV_CB_DECLARE |
193 | #ifndef EV_CB_DECLARE |
100 | # define EV_CB_DECLARE(type) void (*cb)(EV_P_ struct type *w, int revents); |
194 | # define EV_CB_DECLARE(type) void (*cb)(EV_P_ struct type *w, int revents); |
101 | #endif |
195 | #endif |
102 | #ifndef EV_CB_INVOKE |
196 | #ifndef EV_CB_INVOKE |
103 | # define EV_CB_INVOKE(watcher,revents) (watcher)->cb (EV_A_ (watcher), (revents)) |
197 | # define EV_CB_INVOKE(watcher,revents) (watcher)->cb (EV_A_ (watcher), (revents)) |
104 | #endif |
198 | #endif |
105 | |
199 | |
106 | /* |
200 | /* |
107 | * struct member types: |
201 | * struct member types: |
108 | * private: you can look at them, but not change them, and they might not mean anything to you. |
202 | * private: you may look at them, but not change them, |
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203 | * and they might not mean anything to you. |
109 | * ro: can be read anytime, but only changed when the watcher isn't active |
204 | * 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 |
205 | * rw: can be read and modified anytime, even when the watcher is active. |
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206 | * |
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207 | * some internal details that might be helpful for debugging: |
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208 | * |
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209 | * active is either 0, which means the watcher is not active, |
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210 | * or the array index of the watcher (periodics, timers) |
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211 | * or the array index + 1 (most other watchers) |
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212 | * or simply 1 for watchers that aren't in some array. |
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213 | * pending is either 0, in which case the watcher isn't, |
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214 | * or the array index + 1 in the pendings array. |
111 | */ |
215 | */ |
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216 | |
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217 | #if EV_MINPRI == EV_MAXPRI |
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218 | # define EV_DECL_PRIORITY |
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219 | #else |
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220 | # define EV_DECL_PRIORITY int priority; |
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221 | #endif |
112 | |
222 | |
113 | /* shared by all watchers */ |
223 | /* shared by all watchers */ |
114 | #define EV_WATCHER(type) \ |
224 | #define EV_WATCHER(type) \ |
115 | int active; /* private */ \ |
225 | int active; /* private */ \ |
116 | int pending; /* private */ \ |
226 | int pending; /* private */ \ |
117 | int priority; /* private */ \ |
227 | EV_DECL_PRIORITY /* private */ \ |
118 | EV_COMMON /* rw */ \ |
228 | EV_COMMON /* rw */ \ |
119 | EV_CB_DECLARE (type) /* private */ |
229 | EV_CB_DECLARE (type) /* private */ |
120 | |
230 | |
121 | #define EV_WATCHER_LIST(type) \ |
231 | #define EV_WATCHER_LIST(type) \ |
122 | EV_WATCHER (type) \ |
232 | EV_WATCHER (type) \ |
… | |
… | |
125 | #define EV_WATCHER_TIME(type) \ |
235 | #define EV_WATCHER_TIME(type) \ |
126 | EV_WATCHER (type) \ |
236 | EV_WATCHER (type) \ |
127 | ev_tstamp at; /* private */ |
237 | ev_tstamp at; /* private */ |
128 | |
238 | |
129 | /* base class, nothing to see here unless you subclass */ |
239 | /* base class, nothing to see here unless you subclass */ |
130 | struct ev_watcher |
240 | typedef struct ev_watcher |
131 | { |
241 | { |
132 | EV_WATCHER (ev_watcher) |
242 | EV_WATCHER (ev_watcher) |
133 | }; |
243 | } ev_watcher; |
134 | |
244 | |
135 | /* base class, nothing to see here unless you subclass */ |
245 | /* base class, nothing to see here unless you subclass */ |
136 | struct ev_watcher_list |
246 | typedef struct ev_watcher_list |
137 | { |
247 | { |
138 | EV_WATCHER_LIST (ev_watcher_list) |
248 | EV_WATCHER_LIST (ev_watcher_list) |
139 | }; |
249 | } ev_watcher_list; |
140 | |
250 | |
141 | /* base class, nothing to see here unless you subclass */ |
251 | /* base class, nothing to see here unless you subclass */ |
142 | struct ev_watcher_time |
252 | typedef struct ev_watcher_time |
143 | { |
253 | { |
144 | EV_WATCHER_TIME (ev_watcher_time) |
254 | EV_WATCHER_TIME (ev_watcher_time) |
145 | }; |
255 | } ev_watcher_time; |
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256 | |
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257 | /* invoked when fd is either EV_READable or EV_WRITEable */ |
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258 | /* revent EV_READ, EV_WRITE */ |
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259 | typedef struct ev_io |
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260 | { |
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261 | EV_WATCHER_LIST (ev_io) |
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262 | |
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263 | int fd; /* ro */ |
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264 | int events; /* ro */ |
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265 | } ev_io; |
146 | |
266 | |
147 | /* invoked after a specific time, repeatable (based on monotonic clock) */ |
267 | /* invoked after a specific time, repeatable (based on monotonic clock) */ |
148 | /* revent EV_TIMEOUT */ |
268 | /* revent EV_TIMEOUT */ |
149 | struct ev_timer |
269 | typedef struct ev_timer |
150 | { |
270 | { |
151 | EV_WATCHER_TIME (ev_timer) |
271 | EV_WATCHER_TIME (ev_timer) |
152 | |
272 | |
153 | ev_tstamp repeat; /* rw */ |
273 | ev_tstamp repeat; /* rw */ |
154 | }; |
274 | } ev_timer; |
155 | |
275 | |
156 | /* invoked at some specific time, possibly repeating at regular intervals (based on UTC) */ |
276 | /* invoked at some specific time, possibly repeating at regular intervals (based on UTC) */ |
157 | /* revent EV_PERIODIC */ |
277 | /* revent EV_PERIODIC */ |
158 | struct ev_periodic |
278 | typedef struct ev_periodic |
159 | { |
279 | { |
160 | EV_WATCHER_TIME (ev_periodic) |
280 | EV_WATCHER_TIME (ev_periodic) |
161 | |
281 | |
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282 | ev_tstamp offset; /* rw */ |
162 | ev_tstamp interval; /* rw */ |
283 | ev_tstamp interval; /* rw */ |
163 | ev_tstamp (*reschedule_cb)(struct ev_periodic *w, ev_tstamp now); /* rw */ |
284 | ev_tstamp (*reschedule_cb)(struct ev_periodic *w, ev_tstamp now); /* rw */ |
164 | }; |
285 | } ev_periodic; |
165 | |
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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 | 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 | }; |
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175 | |
286 | |
176 | /* invoked when the given signal has been received */ |
287 | /* invoked when the given signal has been received */ |
177 | /* revent EV_SIGNAL */ |
288 | /* revent EV_SIGNAL */ |
178 | struct ev_signal |
289 | typedef struct ev_signal |
179 | { |
290 | { |
180 | EV_WATCHER_LIST (ev_signal) |
291 | EV_WATCHER_LIST (ev_signal) |
181 | |
292 | |
182 | int signum; /* ro */ |
293 | int signum; /* ro */ |
183 | }; |
294 | } ev_signal; |
184 | |
295 | |
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296 | /* invoked when sigchld is received and waitpid indicates the given pid */ |
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297 | /* revent EV_CHILD */ |
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298 | /* does not support priorities */ |
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299 | typedef struct ev_child |
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300 | { |
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301 | EV_WATCHER_LIST (ev_child) |
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302 | |
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303 | int flags; /* private */ |
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304 | int pid; /* ro */ |
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305 | int rpid; /* rw, holds the received pid */ |
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306 | int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */ |
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307 | } ev_child; |
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308 | |
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309 | #if EV_STAT_ENABLE |
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310 | /* st_nlink = 0 means missing file or other error */ |
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311 | # ifdef _WIN32 |
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312 | typedef struct _stati64 ev_statdata; |
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313 | # else |
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314 | typedef struct stat ev_statdata; |
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315 | # endif |
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316 | |
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317 | /* invoked each time the stat data changes for a given path */ |
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318 | /* revent EV_STAT */ |
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319 | typedef struct ev_stat |
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320 | { |
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321 | EV_WATCHER_LIST (ev_stat) |
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322 | |
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323 | ev_timer timer; /* private */ |
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324 | ev_tstamp interval; /* ro */ |
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325 | const char *path; /* ro */ |
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326 | ev_statdata prev; /* ro */ |
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327 | ev_statdata attr; /* ro */ |
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328 | |
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329 | int wd; /* wd for inotify, fd for kqueue */ |
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330 | } ev_stat; |
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331 | #endif |
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332 | |
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333 | #if EV_IDLE_ENABLE |
185 | /* invoked when the nothing else needs to be done, keeps the process from blocking */ |
334 | /* invoked when the nothing else needs to be done, keeps the process from blocking */ |
186 | /* revent EV_IDLE */ |
335 | /* revent EV_IDLE */ |
187 | struct ev_idle |
336 | typedef struct ev_idle |
188 | { |
337 | { |
189 | EV_WATCHER (ev_idle) |
338 | EV_WATCHER (ev_idle) |
190 | }; |
339 | } ev_idle; |
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340 | #endif |
191 | |
341 | |
192 | /* invoked for each run of the mainloop, just before the blocking call */ |
342 | /* invoked for each run of the mainloop, just before the blocking call */ |
193 | /* you can still change events in any way you like */ |
343 | /* you can still change events in any way you like */ |
194 | /* revent EV_PREPARE */ |
344 | /* revent EV_PREPARE */ |
195 | struct ev_prepare |
345 | typedef struct ev_prepare |
196 | { |
346 | { |
197 | EV_WATCHER (ev_prepare) |
347 | EV_WATCHER (ev_prepare) |
198 | }; |
348 | } ev_prepare; |
199 | |
349 | |
200 | /* invoked for each run of the mainloop, just after the blocking call */ |
350 | /* invoked for each run of the mainloop, just after the blocking call */ |
201 | /* revent EV_CHECK */ |
351 | /* revent EV_CHECK */ |
202 | struct ev_check |
352 | typedef struct ev_check |
203 | { |
353 | { |
204 | EV_WATCHER (ev_check) |
354 | EV_WATCHER (ev_check) |
205 | }; |
355 | } ev_check; |
206 | |
356 | |
207 | /* invoked when sigchld is received and waitpid indicates the given pid */ |
357 | #if EV_FORK_ENABLE |
208 | /* revent EV_CHILD */ |
358 | /* the callback gets invoked before check in the child process when a fork was detected */ |
209 | /* does not support priorities */ |
359 | typedef struct ev_fork |
210 | struct ev_child |
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211 | { |
360 | { |
212 | EV_WATCHER_LIST (ev_child) |
361 | EV_WATCHER (ev_fork) |
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362 | } ev_fork; |
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363 | #endif |
213 | |
364 | |
214 | int pid; /* ro */ |
365 | #if EV_EMBED_ENABLE |
215 | int rpid; /* rw, holds the received pid */ |
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216 | int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */ |
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217 | }; |
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218 | |
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219 | #if EV_MULTIPLICITY |
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220 | /* used to embed an event loop inside another */ |
366 | /* used to embed an event loop inside another */ |
221 | /* the callback gets invoked when the event loop has handled events, and can be 0 */ |
367 | /* the callback gets invoked when the event loop has handled events, and can be 0 */ |
222 | struct ev_embed |
368 | typedef struct ev_embed |
223 | { |
369 | { |
224 | EV_WATCHER (ev_embed) |
370 | EV_WATCHER (ev_embed) |
225 | |
371 | |
226 | struct ev_io io; /* private */ |
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227 | struct ev_loop *loop; /* ro */ |
372 | struct ev_loop *other; /* ro */ |
228 | }; |
373 | ev_io io; /* private */ |
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374 | ev_prepare prepare; /* private */ |
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375 | ev_check check; /* unused */ |
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376 | ev_timer timer; /* unused */ |
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377 | ev_periodic periodic; /* unused */ |
|
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378 | ev_idle idle; /* unused */ |
|
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379 | ev_fork fork; /* private */ |
|
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380 | } ev_embed; |
|
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381 | #endif |
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382 | |
|
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383 | #if EV_ASYNC_ENABLE |
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384 | /* invoked when somebody calls ev_async_send on the watcher */ |
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385 | /* revent EV_ASYNC */ |
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386 | typedef struct ev_async |
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387 | { |
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388 | EV_WATCHER (ev_async) |
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389 | |
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390 | EV_ATOMIC_T sent; /* private */ |
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391 | } ev_async; |
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392 | |
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393 | # define ev_async_pending(w) (+(w)->sent) |
229 | #endif |
394 | #endif |
230 | |
395 | |
231 | /* the presence of this union forces similar struct layout */ |
396 | /* the presence of this union forces similar struct layout */ |
232 | union ev_any_watcher |
397 | union ev_any_watcher |
233 | { |
398 | { |
… | |
… | |
235 | struct ev_watcher_list wl; |
400 | struct ev_watcher_list wl; |
236 | |
401 | |
237 | struct ev_io io; |
402 | struct ev_io io; |
238 | struct ev_timer timer; |
403 | struct ev_timer timer; |
239 | struct ev_periodic periodic; |
404 | struct ev_periodic periodic; |
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405 | struct ev_signal signal; |
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406 | struct ev_child child; |
|
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407 | #if EV_STAT_ENABLE |
|
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408 | struct ev_stat stat; |
|
|
409 | #endif |
|
|
410 | #if EV_IDLE_ENABLE |
240 | struct ev_idle idle; |
411 | struct ev_idle idle; |
|
|
412 | #endif |
241 | struct ev_prepare prepare; |
413 | struct ev_prepare prepare; |
242 | struct ev_check check; |
414 | struct ev_check check; |
243 | struct ev_signal signal; |
415 | #if EV_FORK_ENABLE |
244 | struct ev_child child; |
416 | struct ev_fork fork; |
|
|
417 | #endif |
|
|
418 | #if EV_EMBED_ENABLE |
245 | struct ev_embed embed; |
419 | struct ev_embed embed; |
|
|
420 | #endif |
|
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421 | #if EV_ASYNC_ENABLE |
|
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422 | struct ev_async async; |
|
|
423 | #endif |
246 | }; |
424 | }; |
247 | |
425 | |
248 | /* bits for ev_default_loop and ev_loop_new */ |
426 | /* bits for ev_default_loop and ev_loop_new */ |
249 | /* the default */ |
427 | /* the default */ |
250 | #define EVFLAG_AUTO 0x00000000UL /* not quite a mask */ |
428 | #define EVFLAG_AUTO 0x00000000U /* not quite a mask */ |
251 | /* flag bits */ |
429 | /* flag bits */ |
252 | #define EVFLAG_NOENV 0x01000000UL /* do NOT consult environment */ |
430 | #define EVFLAG_NOENV 0x01000000U /* do NOT consult environment */ |
|
|
431 | #define EVFLAG_FORKCHECK 0x02000000U /* check for a fork in each iteration */ |
|
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432 | /* debugging/feature disable */ |
|
|
433 | #define EVFLAG_NOINOTIFY 0x00100000U /* do not attempt to use inotify */ |
|
|
434 | #define EVFLAG_NOSIGFD 0 /* compatibility to pre-3.9 */ |
|
|
435 | #define EVFLAG_SIGNALFD 0x00200000U /* attempt to use signalfd */ |
253 | /* method bits to be ored together */ |
436 | /* method bits to be ored together */ |
254 | #define EVBACKEND_SELECT 0x00000001UL /* about anywhere */ |
437 | #define EVBACKEND_SELECT 0x00000001U /* about anywhere */ |
255 | #define EVBACKEND_POLL 0x00000002UL /* !win */ |
438 | #define EVBACKEND_POLL 0x00000002U /* !win */ |
256 | #define EVBACKEND_EPOLL 0x00000004UL /* linux */ |
439 | #define EVBACKEND_EPOLL 0x00000004U /* linux */ |
257 | #define EVBACKEND_KQUEUE 0x00000008UL /* bsd */ |
440 | #define EVBACKEND_KQUEUE 0x00000008U /* bsd */ |
258 | #define EVBACKEND_DEVPOLL 0x00000010UL /* solaris 8 */ /* NYI */ |
441 | #define EVBACKEND_DEVPOLL 0x00000010U /* solaris 8 */ /* NYI */ |
259 | #define EVBACKEND_PORT 0x00000020UL /* solaris 10 */ |
442 | #define EVBACKEND_PORT 0x00000020U /* solaris 10 */ |
|
|
443 | #define EVBACKEND_ALL 0x0000003FU |
260 | |
444 | |
261 | #if EV_PROTOTYPES |
445 | #if EV_PROTOTYPES |
262 | int ev_version_major (void); |
446 | int ev_version_major (void); |
263 | int ev_version_minor (void); |
447 | int ev_version_minor (void); |
264 | |
448 | |
265 | unsigned int ev_supported_backends (void); |
449 | unsigned int ev_supported_backends (void); |
266 | unsigned int ev_recommended_backends (void); |
450 | unsigned int ev_recommended_backends (void); |
267 | unsigned int ev_embeddable_backends (void); |
451 | unsigned int ev_embeddable_backends (void); |
268 | |
452 | |
269 | ev_tstamp ev_time (void); |
453 | ev_tstamp ev_time (void); |
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454 | void ev_sleep (ev_tstamp delay); /* sleep for a while */ |
270 | |
455 | |
271 | /* Sets the allocation function to use, works like realloc. |
456 | /* Sets the allocation function to use, works like realloc. |
272 | * It is used to allocate and free memory. |
457 | * It is used to allocate and free memory. |
273 | * If it returns zero when memory needs to be allocated, the library might abort |
458 | * If it returns zero when memory needs to be allocated, the library might abort |
274 | * or take some potentially destructive action. |
459 | * or take some potentially destructive action. |
… | |
… | |
280 | * retryable syscall error |
465 | * retryable syscall error |
281 | * (such as failed select, poll, epoll_wait) |
466 | * (such as failed select, poll, epoll_wait) |
282 | */ |
467 | */ |
283 | void ev_set_syserr_cb (void (*cb)(const char *msg)); |
468 | void ev_set_syserr_cb (void (*cb)(const char *msg)); |
284 | |
469 | |
285 | # if EV_MULTIPLICITY |
470 | #if EV_MULTIPLICITY |
|
|
471 | EV_INLINE struct ev_loop * |
|
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472 | ev_default_loop_uc (void) |
|
|
473 | { |
|
|
474 | extern struct ev_loop *ev_default_loop_ptr; |
|
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475 | |
|
|
476 | return ev_default_loop_ptr; |
|
|
477 | } |
|
|
478 | |
286 | /* the default loop is the only one that handles signals and child watchers */ |
479 | /* the default loop is the only one that handles signals and child watchers */ |
287 | /* you can call this as often as you like */ |
480 | /* you can call this as often as you like */ |
288 | static struct ev_loop * |
481 | EV_INLINE struct ev_loop * |
289 | ev_default_loop (unsigned int flags) |
482 | ev_default_loop (unsigned int flags) |
290 | { |
483 | { |
291 | extern struct ev_loop *ev_default_loop_ptr; |
484 | struct ev_loop *loop = ev_default_loop_uc (); |
|
|
485 | |
|
|
486 | if (!loop) |
|
|
487 | { |
292 | extern struct ev_loop *ev_default_loop_init (unsigned int flags); |
488 | extern struct ev_loop *ev_default_loop_init (unsigned int flags); |
293 | |
489 | |
294 | if (!ev_default_loop_ptr) |
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|
295 | ev_default_loop_init (flags); |
490 | loop = ev_default_loop_init (flags); |
|
|
491 | } |
296 | |
492 | |
297 | return ev_default_loop_ptr; |
493 | return loop; |
298 | } |
494 | } |
299 | |
495 | |
300 | /* create and destroy alternative loops that don't handle signals */ |
496 | /* create and destroy alternative loops that don't handle signals */ |
301 | struct ev_loop *ev_loop_new (unsigned int flags); |
497 | struct ev_loop *ev_loop_new (unsigned int flags); |
302 | void ev_loop_destroy (EV_P); |
498 | void ev_loop_destroy (EV_P); |
303 | void ev_loop_fork (EV_P); |
499 | void ev_loop_fork (EV_P); |
304 | |
500 | |
305 | ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */ |
501 | ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */ |
306 | |
502 | |
307 | # else |
503 | #else |
308 | |
504 | |
309 | int ev_default_loop (unsigned int flags); /* returns true when successful */ |
505 | int ev_default_loop (unsigned int flags); /* returns true when successful */ |
310 | |
506 | |
311 | static ev_tstamp |
507 | EV_INLINE ev_tstamp |
312 | ev_now (void) |
508 | ev_now (void) |
313 | { |
509 | { |
314 | extern ev_tstamp ev_rt_now; |
510 | extern ev_tstamp ev_rt_now; |
315 | |
511 | |
316 | return ev_rt_now; |
512 | return ev_rt_now; |
317 | } |
513 | } |
|
|
514 | #endif /* multiplicity */ |
|
|
515 | |
|
|
516 | EV_INLINE int |
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|
517 | ev_is_default_loop (EV_P) |
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518 | { |
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519 | #if EV_MULTIPLICITY |
|
|
520 | extern struct ev_loop *ev_default_loop_ptr; |
|
|
521 | |
|
|
522 | return !!(EV_A == ev_default_loop_ptr); |
|
|
523 | #else |
|
|
524 | return 1; |
318 | # endif |
525 | #endif |
|
|
526 | } |
319 | |
527 | |
320 | void ev_default_destroy (void); /* destroy the default loop */ |
528 | void ev_default_destroy (void); /* destroy the default loop */ |
321 | /* this needs to be called after fork, to duplicate the default loop */ |
529 | /* this needs to be called after fork, to duplicate the default loop */ |
322 | /* if you create alternative loops you have to call ev_loop_fork on them */ |
530 | /* if you create alternative loops you have to call ev_loop_fork on them */ |
323 | /* you can call it in either the parent or the child */ |
531 | /* you can call it in either the parent or the child */ |
324 | /* you can actually call it at any time, anywhere :) */ |
532 | /* you can actually call it at any time, anywhere :) */ |
325 | void ev_default_fork (void); |
533 | void ev_default_fork (void); |
326 | |
534 | |
327 | unsigned int ev_backend (EV_P); |
535 | unsigned int ev_backend (EV_P); /* backend in use by loop */ |
|
|
536 | |
|
|
537 | void ev_now_update (EV_P); /* update event loop time */ |
|
|
538 | |
|
|
539 | #if EV_WALK_ENABLE |
|
|
540 | /* walk (almost) all watchers in the loop of a given type, invoking the */ |
|
|
541 | /* callback on every such watcher. The callback might stop the watcher, */ |
|
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542 | /* but do nothing else with the loop */ |
|
|
543 | void ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)); |
328 | #endif |
544 | #endif |
|
|
545 | |
|
|
546 | #endif /* prototypes */ |
329 | |
547 | |
330 | #define EVLOOP_NONBLOCK 1 /* do not block/wait */ |
548 | #define EVLOOP_NONBLOCK 1 /* do not block/wait */ |
331 | #define EVLOOP_ONESHOT 2 /* block *once* only */ |
549 | #define EVLOOP_ONESHOT 2 /* block *once* only */ |
332 | #define EVUNLOOP_CANCEL 0 /* undo unloop */ |
550 | #define EVUNLOOP_CANCEL 0 /* undo unloop */ |
333 | #define EVUNLOOP_ONE 1 /* unloop once */ |
551 | #define EVUNLOOP_ONE 1 /* unloop once */ |
… | |
… | |
337 | void ev_loop (EV_P_ int flags); |
555 | void ev_loop (EV_P_ int flags); |
338 | 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 */ |
556 | 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 */ |
339 | |
557 | |
340 | /* |
558 | /* |
341 | * ref/unref can be used to add or remove a refcount on the mainloop. every watcher |
559 | * ref/unref can be used to add or remove a refcount on the mainloop. every watcher |
342 | * keeps one reference. if you have a long-runing watcher you never unregister that |
560 | * keeps one reference. if you have a long-running watcher you never unregister that |
343 | * should not keep ev_loop from running, unref() after starting, and ref() before stopping. |
561 | * should not keep ev_loop from running, unref() after starting, and ref() before stopping. |
344 | */ |
562 | */ |
345 | void ev_ref (EV_P); |
563 | void ev_ref (EV_P); |
346 | void ev_unref (EV_P); |
564 | void ev_unref (EV_P); |
347 | |
565 | |
|
|
566 | /* |
348 | /* convinience function, wait for a single event, without registering an event watcher */ |
567 | * convenience function, wait for a single event, without registering an event watcher |
349 | /* if timeout is < 0, do wait indefinitely */ |
568 | * if timeout is < 0, do wait indefinitely |
|
|
569 | */ |
350 | void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg); |
570 | void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg); |
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571 | |
|
|
572 | # if EV_MINIMAL < 2 |
|
|
573 | unsigned int ev_loop_count (EV_P); /* number of loop iterations */ |
|
|
574 | unsigned int ev_loop_depth (EV_P); /* #ev_loop enters - #ev_loop leaves */ |
|
|
575 | void ev_loop_verify (EV_P); /* abort if loop data corrupted */ |
|
|
576 | |
|
|
577 | void ev_set_io_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */ |
|
|
578 | void ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */ |
|
|
579 | |
|
|
580 | /* advanced stuff for threading etc. support, see docs */ |
|
|
581 | void ev_set_userdata (EV_P_ void *data); |
|
|
582 | void *ev_userdata (EV_P); |
|
|
583 | void ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)); |
|
|
584 | void ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P)); |
|
|
585 | |
|
|
586 | unsigned int ev_pending_count (EV_P); /* number of pending events, if any */ |
|
|
587 | void ev_invoke_pending (EV_P); /* invoke all pending watchers */ |
|
|
588 | |
|
|
589 | /* |
|
|
590 | * stop/start the timer handling. |
|
|
591 | */ |
|
|
592 | void ev_suspend (EV_P); |
|
|
593 | void ev_resume (EV_P); |
|
|
594 | #endif |
|
|
595 | |
351 | #endif |
596 | #endif |
352 | |
597 | |
353 | /* these may evaluate ev multiple times, and the other arguments at most once */ |
598 | /* these may evaluate ev multiple times, and the other arguments at most once */ |
354 | /* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */ |
599 | /* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */ |
355 | #define ev_init(ev,cb_) do { \ |
600 | #define ev_init(ev,cb_) do { \ |
356 | ((struct ev_watcher *)(void *)(ev))->active = \ |
601 | ((ev_watcher *)(void *)(ev))->active = \ |
357 | ((struct ev_watcher *)(void *)(ev))->pending = \ |
602 | ((ev_watcher *)(void *)(ev))->pending = 0; \ |
358 | ((struct ev_watcher *)(void *)(ev))->priority = 0; \ |
603 | ev_set_priority ((ev), 0); \ |
359 | ev_set_cb ((ev), cb_); \ |
604 | ev_set_cb ((ev), cb_); \ |
360 | } while (0) |
605 | } while (0) |
361 | |
606 | |
362 | #define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_); } while (0) |
607 | #define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_) | EV__IOFDSET; } while (0) |
363 | #define ev_timer_set(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); } while (0) |
608 | #define ev_timer_set(ev,after_,repeat_) do { ((ev_watcher_time *)(ev))->at = (after_); (ev)->repeat = (repeat_); } while (0) |
364 | #define ev_periodic_set(ev,at_,ival_,res_) do { (ev)->at = (at_); (ev)->interval = (ival_); (ev)->reschedule_cb= (res_); } while (0) |
609 | #define ev_periodic_set(ev,ofs_,ival_,rcb_) do { (ev)->offset = (ofs_); (ev)->interval = (ival_); (ev)->reschedule_cb = (rcb_); } while (0) |
365 | #define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0) |
610 | #define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0) |
|
|
611 | #define ev_child_set(ev,pid_,trace_) do { (ev)->pid = (pid_); (ev)->flags = !!(trace_); } while (0) |
|
|
612 | #define ev_stat_set(ev,path_,interval_) do { (ev)->path = (path_); (ev)->interval = (interval_); (ev)->wd = -2; } while (0) |
366 | #define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */ |
613 | #define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */ |
367 | #define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */ |
614 | #define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */ |
368 | #define ev_check_set(ev) /* nop, yes, this is a serious in-joke */ |
615 | #define ev_check_set(ev) /* nop, yes, this is a serious in-joke */ |
369 | #define ev_child_set(ev,pid_) do { (ev)->pid = (pid_); } while (0) |
|
|
370 | #define ev_embed_set(ev,loop_) do { (ev)->loop = (loop_); } while (0) |
616 | #define ev_embed_set(ev,other_) do { (ev)->other = (other_); } while (0) |
|
|
617 | #define ev_fork_set(ev) /* nop, yes, this is a serious in-joke */ |
|
|
618 | #define ev_async_set(ev) do { (ev)->sent = 0; } while (0) |
371 | |
619 | |
372 | #define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0) |
620 | #define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0) |
373 | #define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0) |
621 | #define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0) |
374 | #define ev_periodic_init(ev,cb,at,ival,res) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(at),(ival),(res)); } while (0) |
622 | #define ev_periodic_init(ev,cb,ofs,ival,rcb) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(ofs),(ival),(rcb)); } while (0) |
375 | #define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0) |
623 | #define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0) |
|
|
624 | #define ev_child_init(ev,cb,pid,trace) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid),(trace)); } while (0) |
|
|
625 | #define ev_stat_init(ev,cb,path,interval) do { ev_init ((ev), (cb)); ev_stat_set ((ev),(path),(interval)); } while (0) |
376 | #define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0) |
626 | #define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0) |
377 | #define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0) |
627 | #define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0) |
378 | #define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0) |
628 | #define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0) |
379 | #define ev_child_init(ev,cb,pid) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid)); } while (0) |
|
|
380 | #define ev_embed_init(ev,cb,loop) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(loop)); } while (0) |
629 | #define ev_embed_init(ev,cb,other) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(other)); } while (0) |
|
|
630 | #define ev_fork_init(ev,cb) do { ev_init ((ev), (cb)); ev_fork_set ((ev)); } while (0) |
|
|
631 | #define ev_async_init(ev,cb) do { ev_init ((ev), (cb)); ev_async_set ((ev)); } while (0) |
381 | |
632 | |
382 | #define ev_is_pending(ev) (0 + ((struct ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */ |
633 | #define ev_is_pending(ev) (0 + ((ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */ |
383 | #define ev_is_active(ev) (0 + ((struct ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */ |
634 | #define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */ |
384 | |
635 | |
385 | #define ev_priority(ev) ((struct ev_watcher *)(void *)(ev))->priority /* rw */ |
|
|
386 | #define ev_cb(ev) (ev)->cb /* rw */ |
636 | #define ev_cb(ev) (ev)->cb /* rw */ |
|
|
637 | |
|
|
638 | #if EV_MINPRI == EV_MAXPRI |
|
|
639 | # define ev_priority(ev) ((ev), EV_MINPRI) |
387 | #define ev_set_priority(ev,pri) ev_priority (ev) = (pri) |
640 | # define ev_set_priority(ev,pri) ((ev), (pri)) |
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641 | #else |
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642 | # define ev_priority(ev) (+(((ev_watcher *)(void *)(ev))->priority)) |
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643 | # define ev_set_priority(ev,pri) ( (ev_watcher *)(void *)(ev))->priority = (pri) |
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644 | #endif |
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645 | |
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646 | #define ev_periodic_at(ev) (+((ev_watcher_time *)(ev))->at) |
388 | |
647 | |
389 | #ifndef ev_set_cb |
648 | #ifndef ev_set_cb |
390 | # define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_) |
649 | # define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_) |
391 | #endif |
650 | #endif |
392 | |
651 | |
393 | /* stopping (enabling, adding) a watcher does nothing if it is already running */ |
652 | /* stopping (enabling, adding) a watcher does nothing if it is already running */ |
394 | /* stopping (disabling, deleting) a watcher does nothing unless its already running */ |
653 | /* stopping (disabling, deleting) a watcher does nothing unless its already running */ |
395 | #if EV_PROTOTYPES |
654 | #if EV_PROTOTYPES |
396 | |
655 | |
397 | /* feeds an event into a watcher as if the event actually occured */ |
656 | /* feeds an event into a watcher as if the event actually occured */ |
398 | /* accepts any ev_watcher type */ |
657 | /* accepts any ev_watcher type */ |
399 | void ev_feed_event (EV_P_ void *w, int revents); |
658 | void ev_feed_event (EV_P_ void *w, int revents); |
400 | void ev_feed_fd_event (EV_P_ int fd, int revents); |
659 | void ev_feed_fd_event (EV_P_ int fd, int revents); |
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660 | #if EV_SIGNAL_ENABLE |
401 | void ev_feed_signal_event (EV_P_ int signum); |
661 | void ev_feed_signal_event (EV_P_ int signum); |
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662 | #endif |
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663 | void ev_invoke (EV_P_ void *w, int revents); |
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664 | int ev_clear_pending (EV_P_ void *w); |
402 | |
665 | |
403 | void ev_io_start (EV_P_ struct ev_io *w); |
666 | void ev_io_start (EV_P_ ev_io *w); |
404 | void ev_io_stop (EV_P_ struct ev_io *w); |
667 | void ev_io_stop (EV_P_ ev_io *w); |
405 | |
668 | |
406 | void ev_timer_start (EV_P_ struct ev_timer *w); |
669 | void ev_timer_start (EV_P_ ev_timer *w); |
407 | void ev_timer_stop (EV_P_ struct ev_timer *w); |
670 | void ev_timer_stop (EV_P_ ev_timer *w); |
408 | /* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */ |
671 | /* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */ |
409 | void ev_timer_again (EV_P_ struct ev_timer *w); |
672 | void ev_timer_again (EV_P_ ev_timer *w); |
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673 | /* return remaining time */ |
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674 | ev_tstamp ev_timer_remaining (EV_P_ ev_timer *w); |
410 | |
675 | |
411 | #if EV_PERIODICS |
676 | #if EV_PERIODIC_ENABLE |
412 | void ev_periodic_start (EV_P_ struct ev_periodic *w); |
677 | void ev_periodic_start (EV_P_ ev_periodic *w); |
413 | void ev_periodic_stop (EV_P_ struct ev_periodic *w); |
678 | void ev_periodic_stop (EV_P_ ev_periodic *w); |
414 | void ev_periodic_again (EV_P_ struct ev_periodic *w); |
679 | void ev_periodic_again (EV_P_ ev_periodic *w); |
415 | #endif |
680 | #endif |
416 | |
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417 | void ev_idle_start (EV_P_ struct ev_idle *w); |
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418 | void ev_idle_stop (EV_P_ struct ev_idle *w); |
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419 | |
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420 | void ev_prepare_start (EV_P_ struct ev_prepare *w); |
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421 | void ev_prepare_stop (EV_P_ struct ev_prepare *w); |
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422 | |
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423 | void ev_check_start (EV_P_ struct ev_check *w); |
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424 | void ev_check_stop (EV_P_ struct ev_check *w); |
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425 | |
681 | |
426 | /* only supported in the default loop */ |
682 | /* only supported in the default loop */ |
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683 | #if EV_SIGNAL_ENABLE |
427 | void ev_signal_start (EV_P_ struct ev_signal *w); |
684 | void ev_signal_start (EV_P_ ev_signal *w); |
428 | void ev_signal_stop (EV_P_ struct ev_signal *w); |
685 | void ev_signal_stop (EV_P_ ev_signal *w); |
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686 | #endif |
429 | |
687 | |
430 | /* only supported in the default loop */ |
688 | /* only supported in the default loop */ |
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689 | # if EV_CHILD_ENABLE |
431 | void ev_child_start (EV_P_ struct ev_child *w); |
690 | void ev_child_start (EV_P_ ev_child *w); |
432 | void ev_child_stop (EV_P_ struct ev_child *w); |
691 | void ev_child_stop (EV_P_ ev_child *w); |
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692 | # endif |
433 | |
693 | |
434 | # if EV_MULTIPLICITY |
694 | # if EV_STAT_ENABLE |
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695 | void ev_stat_start (EV_P_ ev_stat *w); |
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696 | void ev_stat_stop (EV_P_ ev_stat *w); |
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697 | void ev_stat_stat (EV_P_ ev_stat *w); |
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698 | # endif |
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699 | |
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700 | # if EV_IDLE_ENABLE |
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701 | void ev_idle_start (EV_P_ ev_idle *w); |
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702 | void ev_idle_stop (EV_P_ ev_idle *w); |
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703 | # endif |
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704 | |
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705 | #if EV_PREPARE_ENABLE |
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706 | void ev_prepare_start (EV_P_ ev_prepare *w); |
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707 | void ev_prepare_stop (EV_P_ ev_prepare *w); |
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708 | #endif |
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709 | |
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710 | #if EV_CHECK_ENABLE |
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711 | void ev_check_start (EV_P_ ev_check *w); |
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712 | void ev_check_stop (EV_P_ ev_check *w); |
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713 | #endif |
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714 | |
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715 | # if EV_FORK_ENABLE |
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716 | void ev_fork_start (EV_P_ ev_fork *w); |
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717 | void ev_fork_stop (EV_P_ ev_fork *w); |
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718 | # endif |
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719 | |
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720 | # if EV_EMBED_ENABLE |
435 | /* only supported when loop to be embedded is in fact embeddable */ |
721 | /* only supported when loop to be embedded is in fact embeddable */ |
436 | void ev_embed_start (EV_P_ struct ev_embed *w); |
722 | void ev_embed_start (EV_P_ ev_embed *w); |
437 | void ev_embed_stop (EV_P_ struct ev_embed *w); |
723 | void ev_embed_stop (EV_P_ ev_embed *w); |
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724 | void ev_embed_sweep (EV_P_ ev_embed *w); |
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725 | # endif |
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726 | |
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727 | # if EV_ASYNC_ENABLE |
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728 | void ev_async_start (EV_P_ ev_async *w); |
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729 | void ev_async_stop (EV_P_ ev_async *w); |
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730 | void ev_async_send (EV_P_ ev_async *w); |
438 | # endif |
731 | # endif |
439 | |
732 | |
440 | #endif |
733 | #endif |
441 | |
734 | |
442 | #ifdef __cplusplus |
735 | #ifdef __cplusplus |