1 | /* |
1 | /* |
2 | * libev native API header |
2 | * libev native API header |
3 | * |
3 | * |
4 | * Copyright (c) 2007,2008 Marc Alexander Lehmann <libev@schmorp.de> |
4 | * Copyright (c) 2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann <libev@schmorp.de> |
5 | * All rights reserved. |
5 | * All rights reserved. |
6 | * |
6 | * |
7 | * Redistribution and use in source and binary forms, with or without modifica- |
7 | * Redistribution and use in source and binary forms, with or without modifica- |
8 | * tion, are permitted provided that the following conditions are met: |
8 | * tion, are permitted provided that the following conditions are met: |
9 | * |
9 | * |
10 | * 1. Redistributions of source code must retain the above copyright notice, |
10 | * 1. Redistributions of source code must retain the above copyright notice, |
11 | * this list of conditions and the following disclaimer. |
11 | * this list of conditions and the following disclaimer. |
12 | * |
12 | * |
13 | * 2. Redistributions in binary form must reproduce the above copyright |
13 | * 2. Redistributions in binary form must reproduce the above copyright |
14 | * notice, this list of conditions and the following disclaimer in the |
14 | * notice, this list of conditions and the following disclaimer in the |
15 | * documentation and/or other materials provided with the distribution. |
15 | * documentation and/or other materials provided with the distribution. |
16 | * |
16 | * |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED |
18 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER- |
18 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER- |
19 | * CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO |
19 | * CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO |
20 | * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE- |
20 | * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE- |
21 | * CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
21 | * CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
… | |
… | |
35 | * and other provisions required by the GPL. If you do not delete the |
35 | * and other provisions required by the GPL. If you do not delete the |
36 | * provisions above, a recipient may use your version of this file under |
36 | * provisions above, a recipient may use your version of this file under |
37 | * either the BSD or the GPL. |
37 | * either the BSD or the GPL. |
38 | */ |
38 | */ |
39 | |
39 | |
40 | #ifndef EV_H__ |
40 | #ifndef EV_H_ |
41 | #define EV_H__ |
41 | #define EV_H_ |
42 | |
42 | |
43 | #ifdef __cplusplus |
43 | #ifdef __cplusplus |
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|
44 | # define EV_CPP(x) x |
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45 | #else |
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|
46 | # define EV_CPP(x) |
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47 | #endif |
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48 | |
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49 | #define EV_THROW EV_CPP(throw()) |
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50 | |
44 | extern "C" { |
51 | EV_CPP(extern "C" {) |
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52 | |
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53 | /*****************************************************************************/ |
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54 | |
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55 | /* pre-4.0 compatibility */ |
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56 | #ifndef EV_COMPAT3 |
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57 | # define EV_COMPAT3 1 |
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58 | #endif |
|
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59 | |
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60 | #ifndef EV_FEATURES |
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|
61 | # if defined __OPTIMIZE_SIZE__ |
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62 | # define EV_FEATURES 0x7c |
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63 | # else |
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64 | # define EV_FEATURES 0x7f |
45 | #endif |
65 | # endif |
|
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66 | #endif |
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67 | |
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68 | #define EV_FEATURE_CODE ((EV_FEATURES) & 1) |
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69 | #define EV_FEATURE_DATA ((EV_FEATURES) & 2) |
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70 | #define EV_FEATURE_CONFIG ((EV_FEATURES) & 4) |
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71 | #define EV_FEATURE_API ((EV_FEATURES) & 8) |
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72 | #define EV_FEATURE_WATCHERS ((EV_FEATURES) & 16) |
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73 | #define EV_FEATURE_BACKENDS ((EV_FEATURES) & 32) |
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74 | #define EV_FEATURE_OS ((EV_FEATURES) & 64) |
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75 | |
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76 | /* these priorities are inclusive, higher priorities will be invoked earlier */ |
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77 | #ifndef EV_MINPRI |
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|
78 | # define EV_MINPRI (EV_FEATURE_CONFIG ? -2 : 0) |
|
|
79 | #endif |
|
|
80 | #ifndef EV_MAXPRI |
|
|
81 | # define EV_MAXPRI (EV_FEATURE_CONFIG ? +2 : 0) |
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82 | #endif |
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83 | |
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84 | #ifndef EV_MULTIPLICITY |
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85 | # define EV_MULTIPLICITY EV_FEATURE_CONFIG |
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86 | #endif |
|
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87 | |
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88 | #ifndef EV_PERIODIC_ENABLE |
|
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89 | # define EV_PERIODIC_ENABLE EV_FEATURE_WATCHERS |
|
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90 | #endif |
|
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91 | |
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92 | #ifndef EV_STAT_ENABLE |
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93 | # define EV_STAT_ENABLE EV_FEATURE_WATCHERS |
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94 | #endif |
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95 | |
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96 | #ifndef EV_PREPARE_ENABLE |
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97 | # define EV_PREPARE_ENABLE EV_FEATURE_WATCHERS |
|
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98 | #endif |
|
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99 | |
|
|
100 | #ifndef EV_CHECK_ENABLE |
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|
101 | # define EV_CHECK_ENABLE EV_FEATURE_WATCHERS |
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102 | #endif |
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103 | |
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104 | #ifndef EV_IDLE_ENABLE |
|
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105 | # define EV_IDLE_ENABLE EV_FEATURE_WATCHERS |
|
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106 | #endif |
|
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107 | |
|
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108 | #ifndef EV_FORK_ENABLE |
|
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109 | # define EV_FORK_ENABLE EV_FEATURE_WATCHERS |
|
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110 | #endif |
|
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111 | |
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112 | #ifndef EV_CLEANUP_ENABLE |
|
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113 | # define EV_CLEANUP_ENABLE EV_FEATURE_WATCHERS |
|
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114 | #endif |
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115 | |
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116 | #ifndef EV_SIGNAL_ENABLE |
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117 | # define EV_SIGNAL_ENABLE EV_FEATURE_WATCHERS |
|
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118 | #endif |
|
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119 | |
|
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120 | #ifndef EV_CHILD_ENABLE |
|
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121 | # ifdef _WIN32 |
|
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122 | # define EV_CHILD_ENABLE 0 |
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123 | # else |
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124 | # define EV_CHILD_ENABLE EV_FEATURE_WATCHERS |
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125 | #endif |
|
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126 | #endif |
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127 | |
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128 | #ifndef EV_ASYNC_ENABLE |
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129 | # define EV_ASYNC_ENABLE EV_FEATURE_WATCHERS |
|
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130 | #endif |
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131 | |
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132 | #ifndef EV_EMBED_ENABLE |
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133 | # define EV_EMBED_ENABLE EV_FEATURE_WATCHERS |
|
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134 | #endif |
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135 | |
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136 | #ifndef EV_WALK_ENABLE |
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137 | # define EV_WALK_ENABLE 0 /* not yet */ |
|
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138 | #endif |
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139 | |
|
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140 | /*****************************************************************************/ |
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141 | |
|
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142 | #if EV_CHILD_ENABLE && !EV_SIGNAL_ENABLE |
|
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143 | # undef EV_SIGNAL_ENABLE |
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144 | # define EV_SIGNAL_ENABLE 1 |
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145 | #endif |
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146 | |
|
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147 | /*****************************************************************************/ |
46 | |
148 | |
47 | typedef double ev_tstamp; |
149 | typedef double ev_tstamp; |
48 | |
|
|
49 | /* these priorities are inclusive, higher priorities will be called earlier */ |
|
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50 | #ifndef EV_MINPRI |
|
|
51 | # define EV_MINPRI -2 |
|
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52 | #endif |
|
|
53 | #ifndef EV_MAXPRI |
|
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54 | # define EV_MAXPRI +2 |
|
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55 | #endif |
|
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56 | |
|
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57 | #ifndef EV_MULTIPLICITY |
|
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58 | # define EV_MULTIPLICITY 1 |
|
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59 | #endif |
|
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60 | |
|
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61 | #ifndef EV_PERIODIC_ENABLE |
|
|
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_IDLE_ENABLE |
|
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70 | # define EV_IDLE_ENABLE 1 |
|
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71 | #endif |
|
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72 | |
|
|
73 | #ifndef EV_FORK_ENABLE |
|
|
74 | # define EV_FORK_ENABLE 1 |
|
|
75 | #endif |
|
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76 | |
|
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77 | #ifndef EV_EMBED_ENABLE |
|
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78 | # define EV_EMBED_ENABLE 1 |
|
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79 | #endif |
|
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80 | |
|
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81 | #ifndef EV_ASYNC_ENABLE |
|
|
82 | # define EV_ASYNC_ENABLE 1 |
|
|
83 | #endif |
|
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84 | |
150 | |
85 | #ifndef EV_ATOMIC_T |
151 | #ifndef EV_ATOMIC_T |
86 | # include <signal.h> |
152 | # include <signal.h> |
87 | # define EV_ATOMIC_T sig_atomic_t volatile |
153 | # define EV_ATOMIC_T sig_atomic_t volatile |
88 | #endif |
154 | #endif |
89 | |
155 | |
90 | /*****************************************************************************/ |
|
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91 | |
|
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92 | #if EV_STAT_ENABLE |
156 | #if EV_STAT_ENABLE |
|
|
157 | # ifdef _WIN32 |
|
|
158 | # include <time.h> |
|
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159 | # include <sys/types.h> |
|
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160 | # endif |
93 | # include <sys/stat.h> |
161 | # include <sys/stat.h> |
94 | #endif |
162 | #endif |
95 | |
163 | |
96 | /* support multiple event loops? */ |
164 | /* support multiple event loops? */ |
97 | #if EV_MULTIPLICITY |
165 | #if EV_MULTIPLICITY |
98 | struct ev_loop; |
166 | struct ev_loop; |
99 | # define EV_P struct ev_loop *loop |
167 | # define EV_P struct ev_loop *loop /* a loop as sole parameter in a declaration */ |
100 | # define EV_P_ EV_P, |
168 | # define EV_P_ EV_P, /* a loop as first of multiple parameters */ |
101 | # define EV_A loop |
169 | # define EV_A loop /* a loop as sole argument to a function call */ |
102 | # define EV_A_ EV_A, |
170 | # define EV_A_ EV_A, /* a loop as first of multiple arguments */ |
103 | # define EV_DEFAULT ev_default_loop (0) |
171 | # define EV_DEFAULT_UC ev_default_loop_uc_ () /* the default loop, if initialised, as sole arg */ |
104 | # define EV_DEFAULT_ EV_DEFAULT, |
172 | # define EV_DEFAULT_UC_ EV_DEFAULT_UC, /* the default loop as first of multiple arguments */ |
|
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173 | # define EV_DEFAULT ev_default_loop (0) /* the default loop as sole arg */ |
|
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174 | # define EV_DEFAULT_ EV_DEFAULT, /* the default loop as first of multiple arguments */ |
105 | #else |
175 | #else |
106 | # define EV_P void |
176 | # define EV_P void |
107 | # define EV_P_ |
177 | # define EV_P_ |
108 | # define EV_A |
178 | # define EV_A |
109 | # define EV_A_ |
179 | # define EV_A_ |
110 | # define EV_DEFAULT |
180 | # define EV_DEFAULT |
111 | # define EV_DEFAULT_ |
181 | # define EV_DEFAULT_ |
112 | |
182 | # define EV_DEFAULT_UC |
|
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183 | # define EV_DEFAULT_UC_ |
113 | # undef EV_EMBED_ENABLE |
184 | # undef EV_EMBED_ENABLE |
114 | #endif |
185 | #endif |
115 | |
186 | |
|
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187 | /* EV_INLINE is used for functions in header files */ |
|
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188 | #if __STDC_VERSION__ >= 199901L || __GNUC__ >= 3 |
|
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189 | # define EV_INLINE static inline |
|
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190 | #else |
|
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191 | # define EV_INLINE static |
|
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192 | #endif |
|
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193 | |
|
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194 | #ifdef EV_API_STATIC |
|
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195 | # define EV_API_DECL static |
|
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196 | #else |
|
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197 | # define EV_API_DECL extern |
|
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198 | #endif |
|
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199 | |
|
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200 | /* EV_PROTOTYPES can be used to switch of prototype declarations */ |
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201 | #ifndef EV_PROTOTYPES |
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202 | # define EV_PROTOTYPES 1 |
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203 | #endif |
|
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204 | |
|
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205 | /*****************************************************************************/ |
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206 | |
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207 | #define EV_VERSION_MAJOR 4 |
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208 | #define EV_VERSION_MINOR 18 |
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209 | |
116 | /* eventmask, revents, events... */ |
210 | /* eventmask, revents, events... */ |
117 | #define EV_UNDEF -1L /* guaranteed to be invalid */ |
211 | enum { |
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212 | EV_UNDEF = (int)0xFFFFFFFF, /* guaranteed to be invalid */ |
118 | #define EV_NONE 0x00L /* no events */ |
213 | EV_NONE = 0x00, /* no events */ |
119 | #define EV_READ 0x01L /* ev_io detected read will not block */ |
214 | EV_READ = 0x01, /* ev_io detected read will not block */ |
120 | #define EV_WRITE 0x02L /* ev_io detected write will not block */ |
215 | EV_WRITE = 0x02, /* ev_io detected write will not block */ |
121 | #define EV_IOFDSET 0x80L /* internal use only */ |
216 | EV__IOFDSET = 0x80, /* internal use only */ |
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217 | EV_IO = EV_READ, /* alias for type-detection */ |
122 | #define EV_TIMEOUT 0x00000100L /* timer timed out */ |
218 | EV_TIMER = 0x00000100, /* timer timed out */ |
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219 | #if EV_COMPAT3 |
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220 | EV_TIMEOUT = EV_TIMER, /* pre 4.0 API compatibility */ |
|
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221 | #endif |
123 | #define EV_PERIODIC 0x00000200L /* periodic timer timed out */ |
222 | EV_PERIODIC = 0x00000200, /* periodic timer timed out */ |
124 | #define EV_SIGNAL 0x00000400L /* signal was received */ |
223 | EV_SIGNAL = 0x00000400, /* signal was received */ |
125 | #define EV_CHILD 0x00000800L /* child/pid had status change */ |
224 | EV_CHILD = 0x00000800, /* child/pid had status change */ |
126 | #define EV_STAT 0x00001000L /* stat data changed */ |
225 | EV_STAT = 0x00001000, /* stat data changed */ |
127 | #define EV_IDLE 0x00002000L /* event loop is idling */ |
226 | EV_IDLE = 0x00002000, /* event loop is idling */ |
128 | #define EV_PREPARE 0x00004000L /* event loop about to poll */ |
227 | EV_PREPARE = 0x00004000, /* event loop about to poll */ |
129 | #define EV_CHECK 0x00008000L /* event loop finished poll */ |
228 | EV_CHECK = 0x00008000, /* event loop finished poll */ |
130 | #define EV_EMBED 0x00010000L /* embedded event loop needs sweep */ |
229 | EV_EMBED = 0x00010000, /* embedded event loop needs sweep */ |
131 | #define EV_FORK 0x00020000L /* event loop resumed in child */ |
230 | EV_FORK = 0x00020000, /* event loop resumed in child */ |
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231 | EV_CLEANUP = 0x00040000, /* event loop resumed in child */ |
132 | #define EV_ASYNC 0x00040000L /* async intra-loop signal */ |
232 | EV_ASYNC = 0x00080000, /* async intra-loop signal */ |
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233 | EV_CUSTOM = 0x01000000, /* for use by user code */ |
133 | #define EV_ERROR 0x80000000L /* sent when an error occurs */ |
234 | EV_ERROR = (int)0x80000000 /* sent when an error occurs */ |
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235 | }; |
134 | |
236 | |
135 | /* can be used to add custom fields to all watchers, while losing binary compatibility */ |
237 | /* can be used to add custom fields to all watchers, while losing binary compatibility */ |
136 | #ifndef EV_COMMON |
238 | #ifndef EV_COMMON |
137 | # define EV_COMMON void *data; |
239 | # define EV_COMMON void *data; |
138 | #endif |
240 | #endif |
139 | #ifndef EV_PROTOTYPES |
|
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140 | # define EV_PROTOTYPES 1 |
|
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141 | #endif |
|
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142 | |
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143 | #define EV_VERSION_MAJOR 3 |
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144 | #define EV_VERSION_MINOR 0 |
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145 | |
241 | |
146 | #ifndef EV_CB_DECLARE |
242 | #ifndef EV_CB_DECLARE |
147 | # define EV_CB_DECLARE(type) void (*cb)(EV_P_ struct type *w, int revents); |
243 | # define EV_CB_DECLARE(type) void (*cb)(EV_P_ struct type *w, int revents); |
148 | #endif |
244 | #endif |
149 | #ifndef EV_CB_INVOKE |
245 | #ifndef EV_CB_INVOKE |
150 | # define EV_CB_INVOKE(watcher,revents) (watcher)->cb (EV_A_ (watcher), (revents)) |
246 | # define EV_CB_INVOKE(watcher,revents) (watcher)->cb (EV_A_ (watcher), (revents)) |
151 | #endif |
247 | #endif |
152 | |
248 | |
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249 | /* not official, do not use */ |
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250 | #define EV_CB(type,name) void name (EV_P_ struct ev_ ## type *w, int revents) |
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251 | |
153 | /* |
252 | /* |
154 | * struct member types: |
253 | * struct member types: |
155 | * private: you can look at them, but not change them, and they might not mean anything to you. |
254 | * private: you may look at them, but not change them, |
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255 | * and they might not mean anything to you. |
156 | * ro: can be read anytime, but only changed when the watcher isn't active |
256 | * ro: can be read anytime, but only changed when the watcher isn't active. |
157 | * rw: can be read and modified anytime, even when the watcher is active |
257 | * rw: can be read and modified anytime, even when the watcher is active. |
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258 | * |
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259 | * some internal details that might be helpful for debugging: |
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260 | * |
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261 | * active is either 0, which means the watcher is not active, |
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262 | * or the array index of the watcher (periodics, timers) |
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263 | * or the array index + 1 (most other watchers) |
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264 | * or simply 1 for watchers that aren't in some array. |
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265 | * pending is either 0, in which case the watcher isn't, |
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266 | * or the array index + 1 in the pendings array. |
158 | */ |
267 | */ |
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268 | |
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269 | #if EV_MINPRI == EV_MAXPRI |
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270 | # define EV_DECL_PRIORITY |
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271 | #elif !defined (EV_DECL_PRIORITY) |
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272 | # define EV_DECL_PRIORITY int priority; |
|
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273 | #endif |
159 | |
274 | |
160 | /* shared by all watchers */ |
275 | /* shared by all watchers */ |
161 | #define EV_WATCHER(type) \ |
276 | #define EV_WATCHER(type) \ |
162 | int active; /* private */ \ |
277 | int active; /* private */ \ |
163 | int pending; /* private */ \ |
278 | int pending; /* private */ \ |
164 | int priority; /* private */ \ |
279 | EV_DECL_PRIORITY /* private */ \ |
165 | EV_COMMON /* rw */ \ |
280 | EV_COMMON /* rw */ \ |
166 | EV_CB_DECLARE (type) /* private */ |
281 | EV_CB_DECLARE (type) /* private */ |
167 | |
282 | |
168 | #define EV_WATCHER_LIST(type) \ |
283 | #define EV_WATCHER_LIST(type) \ |
169 | EV_WATCHER (type) \ |
284 | EV_WATCHER (type) \ |
… | |
… | |
216 | { |
331 | { |
217 | EV_WATCHER_TIME (ev_periodic) |
332 | EV_WATCHER_TIME (ev_periodic) |
218 | |
333 | |
219 | ev_tstamp offset; /* rw */ |
334 | ev_tstamp offset; /* rw */ |
220 | ev_tstamp interval; /* rw */ |
335 | ev_tstamp interval; /* rw */ |
221 | ev_tstamp (*reschedule_cb)(struct ev_periodic *w, ev_tstamp now); /* rw */ |
336 | ev_tstamp (*reschedule_cb)(struct ev_periodic *w, ev_tstamp now) EV_THROW; /* rw */ |
222 | } ev_periodic; |
337 | } ev_periodic; |
223 | |
338 | |
224 | /* invoked when the given signal has been received */ |
339 | /* invoked when the given signal has been received */ |
225 | /* revent EV_SIGNAL */ |
340 | /* revent EV_SIGNAL */ |
226 | typedef struct ev_signal |
341 | typedef struct ev_signal |
… | |
… | |
291 | EV_WATCHER (ev_check) |
406 | EV_WATCHER (ev_check) |
292 | } ev_check; |
407 | } ev_check; |
293 | |
408 | |
294 | #if EV_FORK_ENABLE |
409 | #if EV_FORK_ENABLE |
295 | /* the callback gets invoked before check in the child process when a fork was detected */ |
410 | /* the callback gets invoked before check in the child process when a fork was detected */ |
|
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411 | /* revent EV_FORK */ |
296 | typedef struct ev_fork |
412 | typedef struct ev_fork |
297 | { |
413 | { |
298 | EV_WATCHER (ev_fork) |
414 | EV_WATCHER (ev_fork) |
299 | } ev_fork; |
415 | } ev_fork; |
|
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416 | #endif |
|
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417 | |
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418 | #if EV_CLEANUP_ENABLE |
|
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419 | /* is invoked just before the loop gets destroyed */ |
|
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420 | /* revent EV_CLEANUP */ |
|
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421 | typedef struct ev_cleanup |
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422 | { |
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423 | EV_WATCHER (ev_cleanup) |
|
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424 | } ev_cleanup; |
300 | #endif |
425 | #endif |
301 | |
426 | |
302 | #if EV_EMBED_ENABLE |
427 | #if EV_EMBED_ENABLE |
303 | /* used to embed an event loop inside another */ |
428 | /* used to embed an event loop inside another */ |
304 | /* the callback gets invoked when the event loop has handled events, and can be 0 */ |
429 | /* the callback gets invoked when the event loop has handled events, and can be 0 */ |
… | |
… | |
311 | ev_prepare prepare; /* private */ |
436 | ev_prepare prepare; /* private */ |
312 | ev_check check; /* unused */ |
437 | ev_check check; /* unused */ |
313 | ev_timer timer; /* unused */ |
438 | ev_timer timer; /* unused */ |
314 | ev_periodic periodic; /* unused */ |
439 | ev_periodic periodic; /* unused */ |
315 | ev_idle idle; /* unused */ |
440 | ev_idle idle; /* unused */ |
316 | ev_fork fork; /* unused */ |
441 | ev_fork fork; /* private */ |
|
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442 | #if EV_CLEANUP_ENABLE |
|
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443 | ev_cleanup cleanup; /* unused */ |
|
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444 | #endif |
317 | } ev_embed; |
445 | } ev_embed; |
318 | #endif |
446 | #endif |
319 | |
447 | |
320 | #if EV_ASYNC_ENABLE |
448 | #if EV_ASYNC_ENABLE |
321 | /* invoked when somebody calls ev_async_send on the watcher */ |
449 | /* invoked when somebody calls ev_async_send on the watcher */ |
… | |
… | |
324 | { |
452 | { |
325 | EV_WATCHER (ev_async) |
453 | EV_WATCHER (ev_async) |
326 | |
454 | |
327 | EV_ATOMIC_T sent; /* private */ |
455 | EV_ATOMIC_T sent; /* private */ |
328 | } ev_async; |
456 | } ev_async; |
|
|
457 | |
|
|
458 | # define ev_async_pending(w) (+(w)->sent) |
329 | #endif |
459 | #endif |
330 | |
460 | |
331 | /* the presence of this union forces similar struct layout */ |
461 | /* the presence of this union forces similar struct layout */ |
332 | union ev_any_watcher |
462 | union ev_any_watcher |
333 | { |
463 | { |
… | |
… | |
348 | struct ev_prepare prepare; |
478 | struct ev_prepare prepare; |
349 | struct ev_check check; |
479 | struct ev_check check; |
350 | #if EV_FORK_ENABLE |
480 | #if EV_FORK_ENABLE |
351 | struct ev_fork fork; |
481 | struct ev_fork fork; |
352 | #endif |
482 | #endif |
|
|
483 | #if EV_CLEANUP_ENABLE |
|
|
484 | struct ev_cleanup cleanup; |
|
|
485 | #endif |
353 | #if EV_EMBED_ENABLE |
486 | #if EV_EMBED_ENABLE |
354 | struct ev_embed embed; |
487 | struct ev_embed embed; |
355 | #endif |
488 | #endif |
356 | #if EV_ASYND_ENABLE |
489 | #if EV_ASYNC_ENABLE |
357 | struct ev_async async; |
490 | struct ev_async async; |
358 | #endif |
491 | #endif |
359 | }; |
492 | }; |
360 | |
493 | |
361 | /* bits for ev_default_loop and ev_loop_new */ |
494 | /* flag bits for ev_default_loop and ev_loop_new */ |
|
|
495 | enum { |
362 | /* the default */ |
496 | /* the default */ |
363 | #define EVFLAG_AUTO 0x00000000UL /* not quite a mask */ |
497 | EVFLAG_AUTO = 0x00000000U, /* not quite a mask */ |
364 | /* flag bits */ |
498 | /* flag bits */ |
365 | #define EVFLAG_NOENV 0x01000000UL /* do NOT consult environment */ |
499 | EVFLAG_NOENV = 0x01000000U, /* do NOT consult environment */ |
366 | #define EVFLAG_FORKCHECK 0x02000000UL /* check for a fork in each iteration */ |
500 | EVFLAG_FORKCHECK = 0x02000000U, /* check for a fork in each iteration */ |
|
|
501 | /* debugging/feature disable */ |
|
|
502 | EVFLAG_NOINOTIFY = 0x00100000U, /* do not attempt to use inotify */ |
|
|
503 | #if EV_COMPAT3 |
|
|
504 | EVFLAG_NOSIGFD = 0, /* compatibility to pre-3.9 */ |
|
|
505 | #endif |
|
|
506 | EVFLAG_SIGNALFD = 0x00200000U, /* attempt to use signalfd */ |
|
|
507 | EVFLAG_NOSIGMASK = 0x00400000U /* avoid modifying the signal mask */ |
|
|
508 | }; |
|
|
509 | |
367 | /* method bits to be ored together */ |
510 | /* method bits to be ored together */ |
|
|
511 | enum { |
368 | #define EVBACKEND_SELECT 0x00000001UL /* about anywhere */ |
512 | EVBACKEND_SELECT = 0x00000001U, /* about anywhere */ |
369 | #define EVBACKEND_POLL 0x00000002UL /* !win */ |
513 | EVBACKEND_POLL = 0x00000002U, /* !win */ |
370 | #define EVBACKEND_EPOLL 0x00000004UL /* linux */ |
514 | EVBACKEND_EPOLL = 0x00000004U, /* linux */ |
371 | #define EVBACKEND_KQUEUE 0x00000008UL /* bsd */ |
515 | EVBACKEND_KQUEUE = 0x00000008U, /* bsd */ |
372 | #define EVBACKEND_DEVPOLL 0x00000010UL /* solaris 8 */ /* NYI */ |
516 | EVBACKEND_DEVPOLL = 0x00000010U, /* solaris 8 */ /* NYI */ |
373 | #define EVBACKEND_PORT 0x00000020UL /* solaris 10 */ |
517 | EVBACKEND_PORT = 0x00000020U, /* solaris 10 */ |
|
|
518 | EVBACKEND_ALL = 0x0000003FU, /* all known backends */ |
|
|
519 | EVBACKEND_MASK = 0x0000FFFFU /* all future backends */ |
|
|
520 | }; |
374 | |
521 | |
375 | #if EV_PROTOTYPES |
522 | #if EV_PROTOTYPES |
376 | int ev_version_major (void); |
523 | EV_API_DECL int ev_version_major (void) EV_THROW; |
377 | int ev_version_minor (void); |
524 | EV_API_DECL int ev_version_minor (void) EV_THROW; |
378 | |
525 | |
379 | unsigned int ev_supported_backends (void); |
526 | EV_API_DECL unsigned int ev_supported_backends (void) EV_THROW; |
380 | unsigned int ev_recommended_backends (void); |
527 | EV_API_DECL unsigned int ev_recommended_backends (void) EV_THROW; |
381 | unsigned int ev_embeddable_backends (void); |
528 | EV_API_DECL unsigned int ev_embeddable_backends (void) EV_THROW; |
382 | |
529 | |
383 | ev_tstamp ev_time (void); |
530 | EV_API_DECL ev_tstamp ev_time (void) EV_THROW; |
384 | void ev_sleep (ev_tstamp delay); /* sleep for a while */ |
531 | EV_API_DECL void ev_sleep (ev_tstamp delay) EV_THROW; /* sleep for a while */ |
385 | |
532 | |
386 | /* Sets the allocation function to use, works like realloc. |
533 | /* Sets the allocation function to use, works like realloc. |
387 | * It is used to allocate and free memory. |
534 | * It is used to allocate and free memory. |
388 | * If it returns zero when memory needs to be allocated, the library might abort |
535 | * If it returns zero when memory needs to be allocated, the library might abort |
389 | * or take some potentially destructive action. |
536 | * or take some potentially destructive action. |
390 | * The default is your system realloc function. |
537 | * The default is your system realloc function. |
391 | */ |
538 | */ |
392 | void ev_set_allocator (void *(*cb)(void *ptr, long size)); |
539 | EV_API_DECL void ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW; |
393 | |
540 | |
394 | /* set the callback function to call on a |
541 | /* set the callback function to call on a |
395 | * retryable syscall error |
542 | * retryable syscall error |
396 | * (such as failed select, poll, epoll_wait) |
543 | * (such as failed select, poll, epoll_wait) |
397 | */ |
544 | */ |
398 | void ev_set_syserr_cb (void (*cb)(const char *msg)); |
545 | EV_API_DECL void ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW; |
399 | |
546 | |
400 | # if EV_MULTIPLICITY |
547 | #if EV_MULTIPLICITY |
|
|
548 | |
401 | /* the default loop is the only one that handles signals and child watchers */ |
549 | /* the default loop is the only one that handles signals and child watchers */ |
402 | /* you can call this as often as you like */ |
550 | /* you can call this as often as you like */ |
403 | static struct ev_loop * |
551 | EV_API_DECL struct ev_loop *ev_default_loop (unsigned int flags EV_CPP (= 0)) EV_THROW; |
404 | ev_default_loop (unsigned int flags) |
552 | |
|
|
553 | #ifdef EV_API_STATIC |
|
|
554 | EV_API_DECL struct ev_loop *ev_default_loop_ptr; |
|
|
555 | #endif |
|
|
556 | |
|
|
557 | EV_INLINE struct ev_loop * |
|
|
558 | ev_default_loop_uc_ (void) EV_THROW |
405 | { |
559 | { |
406 | extern struct ev_loop *ev_default_loop_ptr; |
560 | extern struct ev_loop *ev_default_loop_ptr; |
407 | extern struct ev_loop *ev_default_loop_init (unsigned int flags); |
|
|
408 | |
|
|
409 | if (!ev_default_loop_ptr) |
|
|
410 | ev_default_loop_init (flags); |
|
|
411 | |
561 | |
412 | return ev_default_loop_ptr; |
562 | return ev_default_loop_ptr; |
413 | } |
563 | } |
414 | |
564 | |
|
|
565 | EV_INLINE int |
|
|
566 | ev_is_default_loop (EV_P) EV_THROW |
|
|
567 | { |
|
|
568 | return EV_A == EV_DEFAULT_UC; |
|
|
569 | } |
|
|
570 | |
415 | /* create and destroy alternative loops that don't handle signals */ |
571 | /* create and destroy alternative loops that don't handle signals */ |
416 | struct ev_loop *ev_loop_new (unsigned int flags); |
572 | EV_API_DECL struct ev_loop *ev_loop_new (unsigned int flags EV_CPP (= 0)) EV_THROW; |
417 | void ev_loop_destroy (EV_P); |
|
|
418 | void ev_loop_fork (EV_P); |
|
|
419 | |
573 | |
420 | ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */ |
574 | EV_API_DECL ev_tstamp ev_now (EV_P) EV_THROW; /* time w.r.t. timers and the eventloop, updated after each poll */ |
421 | |
575 | |
422 | # else |
576 | #else |
423 | |
577 | |
424 | int ev_default_loop (unsigned int flags); /* returns true when successful */ |
578 | EV_API_DECL int ev_default_loop (unsigned int flags EV_CPP (= 0)) EV_THROW; /* returns true when successful */ |
425 | |
579 | |
426 | static ev_tstamp |
580 | EV_API_DECL ev_tstamp ev_rt_now; |
427 | ev_now (void) |
|
|
428 | { |
|
|
429 | extern ev_tstamp ev_rt_now; |
|
|
430 | |
581 | |
|
|
582 | EV_INLINE ev_tstamp |
|
|
583 | ev_now (void) EV_THROW |
|
|
584 | { |
431 | return ev_rt_now; |
585 | return ev_rt_now; |
432 | } |
586 | } |
433 | # endif |
|
|
434 | |
587 | |
435 | void ev_default_destroy (void); /* destroy the default loop */ |
588 | /* looks weird, but ev_is_default_loop (EV_A) still works if this exists */ |
|
|
589 | EV_INLINE int |
|
|
590 | ev_is_default_loop (void) EV_THROW |
|
|
591 | { |
|
|
592 | return 1; |
|
|
593 | } |
|
|
594 | |
|
|
595 | #endif /* multiplicity */ |
|
|
596 | |
|
|
597 | /* destroy event loops, also works for the default loop */ |
|
|
598 | EV_API_DECL void ev_loop_destroy (EV_P); |
|
|
599 | |
436 | /* this needs to be called after fork, to duplicate the default loop */ |
600 | /* this needs to be called after fork, to duplicate the loop */ |
437 | /* if you create alternative loops you have to call ev_loop_fork on them */ |
601 | /* when you want to re-use it in the child */ |
438 | /* you can call it in either the parent or the child */ |
602 | /* you can call it in either the parent or the child */ |
439 | /* you can actually call it at any time, anywhere :) */ |
603 | /* you can actually call it at any time, anywhere :) */ |
440 | void ev_default_fork (void); |
604 | EV_API_DECL void ev_loop_fork (EV_P) EV_THROW; |
441 | |
605 | |
442 | unsigned int ev_backend (EV_P); /* backend in use by loop */ |
606 | EV_API_DECL unsigned int ev_backend (EV_P) EV_THROW; /* backend in use by loop */ |
443 | unsigned int ev_loop_count (EV_P); /* number of loop iterations */ |
|
|
444 | #endif |
|
|
445 | |
607 | |
446 | #define EVLOOP_NONBLOCK 1 /* do not block/wait */ |
608 | EV_API_DECL void ev_now_update (EV_P) EV_THROW; /* update event loop time */ |
447 | #define EVLOOP_ONESHOT 2 /* block *once* only */ |
609 | |
448 | #define EVUNLOOP_CANCEL 0 /* undo unloop */ |
610 | #if EV_WALK_ENABLE |
449 | #define EVUNLOOP_ONE 1 /* unloop once */ |
611 | /* walk (almost) all watchers in the loop of a given type, invoking the */ |
|
|
612 | /* callback on every such watcher. The callback might stop the watcher, */ |
|
|
613 | /* but do nothing else with the loop */ |
|
|
614 | EV_API_DECL void ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW; |
|
|
615 | #endif |
|
|
616 | |
|
|
617 | #endif /* prototypes */ |
|
|
618 | |
|
|
619 | /* ev_run flags values */ |
|
|
620 | enum { |
|
|
621 | EVRUN_NOWAIT = 1, /* do not block/wait */ |
|
|
622 | EVRUN_ONCE = 2 /* block *once* only */ |
|
|
623 | }; |
|
|
624 | |
|
|
625 | /* ev_break how values */ |
|
|
626 | enum { |
|
|
627 | EVBREAK_CANCEL = 0, /* undo unloop */ |
|
|
628 | EVBREAK_ONE = 1, /* unloop once */ |
450 | #define EVUNLOOP_ALL 2 /* unloop all loops */ |
629 | EVBREAK_ALL = 2 /* unloop all loops */ |
|
|
630 | }; |
451 | |
631 | |
452 | #if EV_PROTOTYPES |
632 | #if EV_PROTOTYPES |
453 | void ev_loop (EV_P_ int flags); |
633 | EV_API_DECL int ev_run (EV_P_ int flags EV_CPP (= 0)); |
454 | void ev_unloop (EV_P_ int how); /* set to 1 to break out of event loop, set to 2 to break out of all event loops */ |
634 | EV_API_DECL void ev_break (EV_P_ int how EV_CPP (= EVBREAK_ONE)) EV_THROW; /* break out of the loop */ |
455 | |
|
|
456 | void ev_set_io_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */ |
|
|
457 | void ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */ |
|
|
458 | |
635 | |
459 | /* |
636 | /* |
460 | * ref/unref can be used to add or remove a refcount on the mainloop. every watcher |
637 | * ref/unref can be used to add or remove a refcount on the mainloop. every watcher |
461 | * keeps one reference. if you have a long-runing watcher you never unregister that |
638 | * keeps one reference. if you have a long-running watcher you never unregister that |
462 | * should not keep ev_loop from running, unref() after starting, and ref() before stopping. |
639 | * should not keep ev_loop from running, unref() after starting, and ref() before stopping. |
463 | */ |
640 | */ |
464 | void ev_ref (EV_P); |
641 | EV_API_DECL void ev_ref (EV_P) EV_THROW; |
465 | void ev_unref (EV_P); |
642 | EV_API_DECL void ev_unref (EV_P) EV_THROW; |
466 | |
643 | |
|
|
644 | /* |
467 | /* convinience function, wait for a single event, without registering an event watcher */ |
645 | * convenience function, wait for a single event, without registering an event watcher |
468 | /* if timeout is < 0, do wait indefinitely */ |
646 | * if timeout is < 0, do wait indefinitely |
|
|
647 | */ |
469 | void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg); |
648 | EV_API_DECL void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW; |
|
|
649 | |
|
|
650 | # if EV_FEATURE_API |
|
|
651 | EV_API_DECL unsigned int ev_iteration (EV_P) EV_THROW; /* number of loop iterations */ |
|
|
652 | EV_API_DECL unsigned int ev_depth (EV_P) EV_THROW; /* #ev_loop enters - #ev_loop leaves */ |
|
|
653 | EV_API_DECL void ev_verify (EV_P) EV_THROW; /* abort if loop data corrupted */ |
|
|
654 | |
|
|
655 | EV_API_DECL void ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW; /* sleep at least this time, default 0 */ |
|
|
656 | EV_API_DECL void ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW; /* sleep at least this time, default 0 */ |
|
|
657 | |
|
|
658 | /* advanced stuff for threading etc. support, see docs */ |
|
|
659 | EV_API_DECL void ev_set_userdata (EV_P_ void *data) EV_THROW; |
|
|
660 | EV_API_DECL void *ev_userdata (EV_P) EV_THROW; |
|
|
661 | typedef void (*ev_loop_callback)(EV_P); |
|
|
662 | EV_API_DECL void ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_THROW; |
|
|
663 | EV_API_DECL void ev_set_loop_release_cb (EV_P_ ev_loop_callback release EV_THROW, ev_loop_callback acquire EV_THROW) EV_THROW; |
|
|
664 | |
|
|
665 | EV_API_DECL unsigned int ev_pending_count (EV_P) EV_THROW; /* number of pending events, if any */ |
|
|
666 | EV_API_DECL void ev_invoke_pending (EV_P); /* invoke all pending watchers */ |
|
|
667 | |
|
|
668 | /* |
|
|
669 | * stop/start the timer handling. |
|
|
670 | */ |
|
|
671 | EV_API_DECL void ev_suspend (EV_P) EV_THROW; |
|
|
672 | EV_API_DECL void ev_resume (EV_P) EV_THROW; |
|
|
673 | #endif |
|
|
674 | |
470 | #endif |
675 | #endif |
471 | |
676 | |
472 | /* these may evaluate ev multiple times, and the other arguments at most once */ |
677 | /* these may evaluate ev multiple times, and the other arguments at most once */ |
473 | /* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */ |
678 | /* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */ |
474 | #define ev_init(ev,cb_) do { \ |
679 | #define ev_init(ev,cb_) do { \ |
475 | ((ev_watcher *)(void *)(ev))->active = \ |
680 | ((ev_watcher *)(void *)(ev))->active = \ |
476 | ((ev_watcher *)(void *)(ev))->pending = \ |
681 | ((ev_watcher *)(void *)(ev))->pending = 0; \ |
477 | ((ev_watcher *)(void *)(ev))->priority = 0; \ |
682 | ev_set_priority ((ev), 0); \ |
478 | ev_set_cb ((ev), cb_); \ |
683 | ev_set_cb ((ev), cb_); \ |
479 | } while (0) |
684 | } while (0) |
480 | |
685 | |
481 | #define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_) | EV_IOFDSET; } while (0) |
686 | #define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_) | EV__IOFDSET; } while (0) |
482 | #define ev_timer_set(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); } while (0) |
687 | #define ev_timer_set(ev,after_,repeat_) do { ((ev_watcher_time *)(ev))->at = (after_); (ev)->repeat = (repeat_); } while (0) |
483 | #define ev_periodic_set(ev,ofs_,ival_,res_) do { (ev)->offset = (ofs_); (ev)->interval = (ival_); (ev)->reschedule_cb= (res_); } while (0) |
688 | #define ev_periodic_set(ev,ofs_,ival_,rcb_) do { (ev)->offset = (ofs_); (ev)->interval = (ival_); (ev)->reschedule_cb = (rcb_); } while (0) |
484 | #define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0) |
689 | #define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0) |
485 | #define ev_child_set(ev,pid_,trace_) do { (ev)->pid = (pid_); (ev)->flags = !!(trace_); } while (0) |
690 | #define ev_child_set(ev,pid_,trace_) do { (ev)->pid = (pid_); (ev)->flags = !!(trace_); } while (0) |
486 | #define ev_stat_set(ev,path_,interval_) do { (ev)->path = (path_); (ev)->interval = (interval_); (ev)->wd = -2; } while (0) |
691 | #define ev_stat_set(ev,path_,interval_) do { (ev)->path = (path_); (ev)->interval = (interval_); (ev)->wd = -2; } while (0) |
487 | #define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */ |
692 | #define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */ |
488 | #define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */ |
693 | #define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */ |
489 | #define ev_check_set(ev) /* nop, yes, this is a serious in-joke */ |
694 | #define ev_check_set(ev) /* nop, yes, this is a serious in-joke */ |
490 | #define ev_embed_set(ev,other_) do { (ev)->other = (other_); } while (0) |
695 | #define ev_embed_set(ev,other_) do { (ev)->other = (other_); } while (0) |
491 | #define ev_fork_set(ev) /* nop, yes, this is a serious in-joke */ |
696 | #define ev_fork_set(ev) /* nop, yes, this is a serious in-joke */ |
492 | #define ev_async_set(ev) do { (ev)->gotasync = 0; } while (0) |
697 | #define ev_cleanup_set(ev) /* nop, yes, this is a serious in-joke */ |
|
|
698 | #define ev_async_set(ev) /* nop, yes, this is a serious in-joke */ |
493 | |
699 | |
494 | #define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0) |
700 | #define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0) |
495 | #define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0) |
701 | #define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0) |
496 | #define ev_periodic_init(ev,cb,at,ival,res) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(at),(ival),(res)); } while (0) |
702 | #define ev_periodic_init(ev,cb,ofs,ival,rcb) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(ofs),(ival),(rcb)); } while (0) |
497 | #define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0) |
703 | #define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0) |
498 | #define ev_child_init(ev,cb,pid,trace) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid),(trace)); } while (0) |
704 | #define ev_child_init(ev,cb,pid,trace) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid),(trace)); } while (0) |
499 | #define ev_stat_init(ev,cb,path,interval) do { ev_init ((ev), (cb)); ev_stat_set ((ev),(path),(interval)); } while (0) |
705 | #define ev_stat_init(ev,cb,path,interval) do { ev_init ((ev), (cb)); ev_stat_set ((ev),(path),(interval)); } while (0) |
500 | #define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0) |
706 | #define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0) |
501 | #define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0) |
707 | #define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0) |
502 | #define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0) |
708 | #define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0) |
503 | #define ev_embed_init(ev,cb,other) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(other)); } while (0) |
709 | #define ev_embed_init(ev,cb,other) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(other)); } while (0) |
504 | #define ev_fork_init(ev,cb) do { ev_init ((ev), (cb)); ev_fork_set ((ev)); } while (0) |
710 | #define ev_fork_init(ev,cb) do { ev_init ((ev), (cb)); ev_fork_set ((ev)); } while (0) |
|
|
711 | #define ev_cleanup_init(ev,cb) do { ev_init ((ev), (cb)); ev_cleanup_set ((ev)); } while (0) |
505 | #define ev_async_init(ev,cb) do { ev_init ((ev), (cb)); ev_async_set ((ev)); } while (0) |
712 | #define ev_async_init(ev,cb) do { ev_init ((ev), (cb)); ev_async_set ((ev)); } while (0) |
506 | |
713 | |
507 | #define ev_is_pending(ev) (0 + ((ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */ |
714 | #define ev_is_pending(ev) (0 + ((ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */ |
508 | #define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */ |
715 | #define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */ |
509 | |
716 | |
510 | #define ev_priority(ev) ((((ev_watcher *)(void *)(ev))->priority) + 0) |
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511 | #define ev_cb(ev) (ev)->cb /* rw */ |
717 | #define ev_cb(ev) (ev)->cb /* rw */ |
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718 | |
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719 | #if EV_MINPRI == EV_MAXPRI |
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720 | # define ev_priority(ev) ((ev), EV_MINPRI) |
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721 | # define ev_set_priority(ev,pri) ((ev), (pri)) |
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722 | #else |
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723 | # define ev_priority(ev) (+(((ev_watcher *)(void *)(ev))->priority)) |
512 | #define ev_set_priority(ev,pri) ((ev_watcher *)(void *)(ev))->priority = (pri) |
724 | # define ev_set_priority(ev,pri) ( (ev_watcher *)(void *)(ev))->priority = (pri) |
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725 | #endif |
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726 | |
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727 | #define ev_periodic_at(ev) (+((ev_watcher_time *)(ev))->at) |
513 | |
728 | |
514 | #ifndef ev_set_cb |
729 | #ifndef ev_set_cb |
515 | # define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_) |
730 | # define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_) |
516 | #endif |
731 | #endif |
517 | |
732 | |
518 | /* stopping (enabling, adding) a watcher does nothing if it is already running */ |
733 | /* stopping (enabling, adding) a watcher does nothing if it is already running */ |
519 | /* stopping (disabling, deleting) a watcher does nothing unless its already running */ |
734 | /* stopping (disabling, deleting) a watcher does nothing unless it's already running */ |
520 | #if EV_PROTOTYPES |
735 | #if EV_PROTOTYPES |
521 | |
736 | |
522 | /* feeds an event into a watcher as if the event actually occured */ |
737 | /* feeds an event into a watcher as if the event actually occurred */ |
523 | /* accepts any ev_watcher type */ |
738 | /* accepts any ev_watcher type */ |
524 | void ev_feed_event (EV_P_ void *w, int revents); |
739 | EV_API_DECL void ev_feed_event (EV_P_ void *w, int revents) EV_THROW; |
525 | void ev_feed_fd_event (EV_P_ int fd, int revents); |
740 | EV_API_DECL void ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW; |
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741 | #if EV_SIGNAL_ENABLE |
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742 | EV_API_DECL void ev_feed_signal (int signum) EV_THROW; |
526 | void ev_feed_signal_event (EV_P_ int signum); |
743 | EV_API_DECL void ev_feed_signal_event (EV_P_ int signum) EV_THROW; |
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744 | #endif |
527 | void ev_invoke (EV_P_ void *w, int revents); |
745 | EV_API_DECL void ev_invoke (EV_P_ void *w, int revents); |
528 | int ev_clear_pending (EV_P_ void *w); |
746 | EV_API_DECL int ev_clear_pending (EV_P_ void *w) EV_THROW; |
529 | |
747 | |
530 | void ev_io_start (EV_P_ ev_io *w); |
748 | EV_API_DECL void ev_io_start (EV_P_ ev_io *w) EV_THROW; |
531 | void ev_io_stop (EV_P_ ev_io *w); |
749 | EV_API_DECL void ev_io_stop (EV_P_ ev_io *w) EV_THROW; |
532 | |
750 | |
533 | void ev_timer_start (EV_P_ ev_timer *w); |
751 | EV_API_DECL void ev_timer_start (EV_P_ ev_timer *w) EV_THROW; |
534 | void ev_timer_stop (EV_P_ ev_timer *w); |
752 | EV_API_DECL void ev_timer_stop (EV_P_ ev_timer *w) EV_THROW; |
535 | /* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */ |
753 | /* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */ |
536 | void ev_timer_again (EV_P_ ev_timer *w); |
754 | EV_API_DECL void ev_timer_again (EV_P_ ev_timer *w) EV_THROW; |
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755 | /* return remaining time */ |
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756 | EV_API_DECL ev_tstamp ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW; |
537 | |
757 | |
538 | #if EV_PERIODIC_ENABLE |
758 | #if EV_PERIODIC_ENABLE |
539 | void ev_periodic_start (EV_P_ ev_periodic *w); |
759 | EV_API_DECL void ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW; |
540 | void ev_periodic_stop (EV_P_ ev_periodic *w); |
760 | EV_API_DECL void ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW; |
541 | void ev_periodic_again (EV_P_ ev_periodic *w); |
761 | EV_API_DECL void ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW; |
542 | #endif |
762 | #endif |
543 | |
763 | |
544 | /* only supported in the default loop */ |
764 | /* only supported in the default loop */ |
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765 | #if EV_SIGNAL_ENABLE |
545 | void ev_signal_start (EV_P_ ev_signal *w); |
766 | EV_API_DECL void ev_signal_start (EV_P_ ev_signal *w) EV_THROW; |
546 | void ev_signal_stop (EV_P_ ev_signal *w); |
767 | EV_API_DECL void ev_signal_stop (EV_P_ ev_signal *w) EV_THROW; |
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768 | #endif |
547 | |
769 | |
548 | /* only supported in the default loop */ |
770 | /* only supported in the default loop */ |
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771 | # if EV_CHILD_ENABLE |
549 | void ev_child_start (EV_P_ ev_child *w); |
772 | EV_API_DECL void ev_child_start (EV_P_ ev_child *w) EV_THROW; |
550 | void ev_child_stop (EV_P_ ev_child *w); |
773 | EV_API_DECL void ev_child_stop (EV_P_ ev_child *w) EV_THROW; |
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774 | # endif |
551 | |
775 | |
552 | # if EV_STAT_ENABLE |
776 | # if EV_STAT_ENABLE |
553 | void ev_stat_start (EV_P_ ev_stat *w); |
777 | EV_API_DECL void ev_stat_start (EV_P_ ev_stat *w) EV_THROW; |
554 | void ev_stat_stop (EV_P_ ev_stat *w); |
778 | EV_API_DECL void ev_stat_stop (EV_P_ ev_stat *w) EV_THROW; |
555 | void ev_stat_stat (EV_P_ ev_stat *w); |
779 | EV_API_DECL void ev_stat_stat (EV_P_ ev_stat *w) EV_THROW; |
556 | # endif |
780 | # endif |
557 | |
781 | |
558 | # if EV_IDLE_ENABLE |
782 | # if EV_IDLE_ENABLE |
559 | void ev_idle_start (EV_P_ ev_idle *w); |
783 | EV_API_DECL void ev_idle_start (EV_P_ ev_idle *w) EV_THROW; |
560 | void ev_idle_stop (EV_P_ ev_idle *w); |
784 | EV_API_DECL void ev_idle_stop (EV_P_ ev_idle *w) EV_THROW; |
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785 | # endif |
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786 | |
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787 | #if EV_PREPARE_ENABLE |
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788 | EV_API_DECL void ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW; |
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789 | EV_API_DECL void ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW; |
561 | # endif |
790 | #endif |
562 | |
791 | |
563 | void ev_prepare_start (EV_P_ ev_prepare *w); |
792 | #if EV_CHECK_ENABLE |
564 | void ev_prepare_stop (EV_P_ ev_prepare *w); |
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565 | |
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566 | void ev_check_start (EV_P_ ev_check *w); |
793 | EV_API_DECL void ev_check_start (EV_P_ ev_check *w) EV_THROW; |
567 | void ev_check_stop (EV_P_ ev_check *w); |
794 | EV_API_DECL void ev_check_stop (EV_P_ ev_check *w) EV_THROW; |
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795 | #endif |
568 | |
796 | |
569 | # if EV_FORK_ENABLE |
797 | # if EV_FORK_ENABLE |
570 | void ev_fork_start (EV_P_ ev_fork *w); |
798 | EV_API_DECL void ev_fork_start (EV_P_ ev_fork *w) EV_THROW; |
571 | void ev_fork_stop (EV_P_ ev_fork *w); |
799 | EV_API_DECL void ev_fork_stop (EV_P_ ev_fork *w) EV_THROW; |
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800 | # endif |
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801 | |
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802 | # if EV_CLEANUP_ENABLE |
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803 | EV_API_DECL void ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW; |
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804 | EV_API_DECL void ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW; |
572 | # endif |
805 | # endif |
573 | |
806 | |
574 | # if EV_EMBED_ENABLE |
807 | # if EV_EMBED_ENABLE |
575 | /* only supported when loop to be embedded is in fact embeddable */ |
808 | /* only supported when loop to be embedded is in fact embeddable */ |
576 | void ev_embed_start (EV_P_ ev_embed *w); |
809 | EV_API_DECL void ev_embed_start (EV_P_ ev_embed *w) EV_THROW; |
577 | void ev_embed_stop (EV_P_ ev_embed *w); |
810 | EV_API_DECL void ev_embed_stop (EV_P_ ev_embed *w) EV_THROW; |
578 | void ev_embed_sweep (EV_P_ ev_embed *w); |
811 | EV_API_DECL void ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW; |
579 | # endif |
812 | # endif |
580 | |
813 | |
581 | # if EV_ASYNC_ENABLE |
814 | # if EV_ASYNC_ENABLE |
582 | void ev_async_start (EV_P_ ev_async *w); |
815 | EV_API_DECL void ev_async_start (EV_P_ ev_async *w) EV_THROW; |
583 | void ev_async_stop (EV_P_ ev_async *w); |
816 | EV_API_DECL void ev_async_stop (EV_P_ ev_async *w) EV_THROW; |
584 | void ev_async_send (EV_P_ ev_async *w); |
817 | EV_API_DECL void ev_async_send (EV_P_ ev_async *w) EV_THROW; |
585 | # endif |
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586 | |
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587 | #endif |
818 | # endif |
588 | |
819 | |
589 | #ifdef __cplusplus |
820 | #if EV_COMPAT3 |
590 | } |
821 | #define EVLOOP_NONBLOCK EVRUN_NOWAIT |
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822 | #define EVLOOP_ONESHOT EVRUN_ONCE |
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823 | #define EVUNLOOP_CANCEL EVBREAK_CANCEL |
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824 | #define EVUNLOOP_ONE EVBREAK_ONE |
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825 | #define EVUNLOOP_ALL EVBREAK_ALL |
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826 | #if EV_PROTOTYPES |
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827 | EV_INLINE void ev_loop (EV_P_ int flags) { ev_run (EV_A_ flags); } |
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828 | EV_INLINE void ev_unloop (EV_P_ int how ) { ev_break (EV_A_ how ); } |
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829 | EV_INLINE void ev_default_destroy (void) { ev_loop_destroy (EV_DEFAULT); } |
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830 | EV_INLINE void ev_default_fork (void) { ev_loop_fork (EV_DEFAULT); } |
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831 | #if EV_FEATURE_API |
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832 | EV_INLINE unsigned int ev_loop_count (EV_P) { return ev_iteration (EV_A); } |
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833 | EV_INLINE unsigned int ev_loop_depth (EV_P) { return ev_depth (EV_A); } |
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834 | EV_INLINE void ev_loop_verify (EV_P) { ev_verify (EV_A); } |
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835 | #endif |
591 | #endif |
836 | #endif |
592 | |
837 | #else |
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838 | typedef struct ev_loop ev_loop; |
593 | #endif |
839 | #endif |
594 | |
840 | |
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841 | #endif |
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842 | |
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843 | EV_CPP(}) |
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844 | |
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845 | #endif |
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846 | |