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) 2007-2018 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 |
44 | extern "C" { |
44 | # define EV_CPP(x) x |
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45 | # if __cplusplus >= 201103L |
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46 | # define EV_NOEXCEPT noexcept |
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47 | # else |
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48 | # define EV_NOEXCEPT |
45 | #endif |
49 | # endif |
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50 | #else |
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51 | # define EV_CPP(x) |
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52 | # define EV_NOEXCEPT |
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53 | #endif |
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54 | #define EV_THROW EV_NOEXCEPT /* pre-4.25, do not use in new code */ |
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55 | |
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56 | EV_CPP(extern "C" {) |
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57 | |
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58 | /*****************************************************************************/ |
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59 | |
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60 | /* pre-4.0 compatibility */ |
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61 | #ifndef EV_COMPAT3 |
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62 | # define EV_COMPAT3 1 |
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63 | #endif |
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64 | |
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65 | #ifndef EV_FEATURES |
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66 | # if defined __OPTIMIZE_SIZE__ |
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67 | # define EV_FEATURES 0x7c |
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68 | # else |
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69 | # define EV_FEATURES 0x7f |
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70 | # endif |
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71 | #endif |
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72 | |
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73 | #define EV_FEATURE_CODE ((EV_FEATURES) & 1) |
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74 | #define EV_FEATURE_DATA ((EV_FEATURES) & 2) |
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75 | #define EV_FEATURE_CONFIG ((EV_FEATURES) & 4) |
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76 | #define EV_FEATURE_API ((EV_FEATURES) & 8) |
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77 | #define EV_FEATURE_WATCHERS ((EV_FEATURES) & 16) |
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78 | #define EV_FEATURE_BACKENDS ((EV_FEATURES) & 32) |
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79 | #define EV_FEATURE_OS ((EV_FEATURES) & 64) |
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80 | |
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81 | /* these priorities are inclusive, higher priorities will be invoked earlier */ |
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82 | #ifndef EV_MINPRI |
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83 | # define EV_MINPRI (EV_FEATURE_CONFIG ? -2 : 0) |
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84 | #endif |
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85 | #ifndef EV_MAXPRI |
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86 | # define EV_MAXPRI (EV_FEATURE_CONFIG ? +2 : 0) |
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87 | #endif |
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88 | |
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89 | #ifndef EV_MULTIPLICITY |
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90 | # define EV_MULTIPLICITY EV_FEATURE_CONFIG |
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91 | #endif |
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92 | |
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93 | #ifndef EV_PERIODIC_ENABLE |
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94 | # define EV_PERIODIC_ENABLE EV_FEATURE_WATCHERS |
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95 | #endif |
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96 | |
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97 | #ifndef EV_STAT_ENABLE |
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98 | # define EV_STAT_ENABLE EV_FEATURE_WATCHERS |
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99 | #endif |
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100 | |
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101 | #ifndef EV_PREPARE_ENABLE |
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102 | # define EV_PREPARE_ENABLE EV_FEATURE_WATCHERS |
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103 | #endif |
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104 | |
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105 | #ifndef EV_CHECK_ENABLE |
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106 | # define EV_CHECK_ENABLE EV_FEATURE_WATCHERS |
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107 | #endif |
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108 | |
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109 | #ifndef EV_IDLE_ENABLE |
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110 | # define EV_IDLE_ENABLE EV_FEATURE_WATCHERS |
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111 | #endif |
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112 | |
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113 | #ifndef EV_FORK_ENABLE |
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114 | # define EV_FORK_ENABLE EV_FEATURE_WATCHERS |
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115 | #endif |
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116 | |
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117 | #ifndef EV_CLEANUP_ENABLE |
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118 | # define EV_CLEANUP_ENABLE EV_FEATURE_WATCHERS |
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119 | #endif |
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120 | |
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121 | #ifndef EV_SIGNAL_ENABLE |
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122 | # define EV_SIGNAL_ENABLE EV_FEATURE_WATCHERS |
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123 | #endif |
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124 | |
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125 | #ifndef EV_CHILD_ENABLE |
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126 | # ifdef _WIN32 |
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127 | # define EV_CHILD_ENABLE 0 |
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128 | # else |
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129 | # define EV_CHILD_ENABLE EV_FEATURE_WATCHERS |
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130 | #endif |
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131 | #endif |
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132 | |
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133 | #ifndef EV_ASYNC_ENABLE |
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134 | # define EV_ASYNC_ENABLE EV_FEATURE_WATCHERS |
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135 | #endif |
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136 | |
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137 | #ifndef EV_EMBED_ENABLE |
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138 | # define EV_EMBED_ENABLE EV_FEATURE_WATCHERS |
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139 | #endif |
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140 | |
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141 | #ifndef EV_WALK_ENABLE |
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142 | # define EV_WALK_ENABLE 0 /* not yet */ |
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143 | #endif |
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144 | |
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145 | /*****************************************************************************/ |
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146 | |
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147 | #if EV_CHILD_ENABLE && !EV_SIGNAL_ENABLE |
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148 | # undef EV_SIGNAL_ENABLE |
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149 | # define EV_SIGNAL_ENABLE 1 |
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150 | #endif |
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151 | |
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152 | /*****************************************************************************/ |
46 | |
153 | |
47 | typedef double ev_tstamp; |
154 | typedef double ev_tstamp; |
48 | |
155 | |
49 | /* these priorities are inclusive, higher priorities will be called earlier */ |
156 | #include <string.h> /* for memmove */ |
50 | #ifndef EV_MINPRI |
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51 | # define EV_MINPRI -2 |
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52 | #endif |
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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 |
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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 | |
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73 | #ifndef EV_FORK_ENABLE |
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74 | # define EV_FORK_ENABLE 1 |
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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 |
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82 | # define EV_ASYNC_ENABLE 1 |
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83 | #endif |
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84 | |
157 | |
85 | #ifndef EV_ATOMIC_T |
158 | #ifndef EV_ATOMIC_T |
86 | # include <signal.h> |
159 | # include <signal.h> |
87 | # define EV_ATOMIC_T sig_atomic_t volatile |
160 | # define EV_ATOMIC_T sig_atomic_t volatile |
88 | #endif |
161 | #endif |
89 | |
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90 | /*****************************************************************************/ |
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91 | |
162 | |
92 | #if EV_STAT_ENABLE |
163 | #if EV_STAT_ENABLE |
93 | # ifdef _WIN32 |
164 | # ifdef _WIN32 |
94 | # include <time.h> |
165 | # include <time.h> |
95 | # include <sys/types.h> |
166 | # include <sys/types.h> |
… | |
… | |
98 | #endif |
169 | #endif |
99 | |
170 | |
100 | /* support multiple event loops? */ |
171 | /* support multiple event loops? */ |
101 | #if EV_MULTIPLICITY |
172 | #if EV_MULTIPLICITY |
102 | struct ev_loop; |
173 | struct ev_loop; |
103 | # define EV_P struct ev_loop *loop |
174 | # define EV_P struct ev_loop *loop /* a loop as sole parameter in a declaration */ |
104 | # define EV_P_ EV_P, |
175 | # define EV_P_ EV_P, /* a loop as first of multiple parameters */ |
105 | # define EV_A loop |
176 | # define EV_A loop /* a loop as sole argument to a function call */ |
106 | # define EV_A_ EV_A, |
177 | # define EV_A_ EV_A, /* a loop as first of multiple arguments */ |
107 | # define EV_DEFAULT_UC ev_default_loop_uc () |
178 | # define EV_DEFAULT_UC ev_default_loop_uc_ () /* the default loop, if initialised, as sole arg */ |
108 | # define EV_DEFAULT_UC_ EV_DEFAULT_UC, |
179 | # define EV_DEFAULT_UC_ EV_DEFAULT_UC, /* the default loop as first of multiple arguments */ |
109 | # define EV_DEFAULT ev_default_loop (0) |
180 | # define EV_DEFAULT ev_default_loop (0) /* the default loop as sole arg */ |
110 | # define EV_DEFAULT_ EV_DEFAULT, |
181 | # define EV_DEFAULT_ EV_DEFAULT, /* the default loop as first of multiple arguments */ |
111 | #else |
182 | #else |
112 | # define EV_P void |
183 | # define EV_P void |
113 | # define EV_P_ |
184 | # define EV_P_ |
114 | # define EV_A |
185 | # define EV_A |
115 | # define EV_A_ |
186 | # define EV_A_ |
… | |
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118 | # define EV_DEFAULT_UC |
189 | # define EV_DEFAULT_UC |
119 | # define EV_DEFAULT_UC_ |
190 | # define EV_DEFAULT_UC_ |
120 | # undef EV_EMBED_ENABLE |
191 | # undef EV_EMBED_ENABLE |
121 | #endif |
192 | #endif |
122 | |
193 | |
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194 | /* EV_INLINE is used for functions in header files */ |
123 | #if __STDC_VERSION__ >= 199901L || __GNUC__ >= 3 |
195 | #if __STDC_VERSION__ >= 199901L || __GNUC__ >= 3 |
124 | # define EV_INLINE static inline |
196 | # define EV_INLINE static inline |
125 | #else |
197 | #else |
126 | # define EV_INLINE static |
198 | # define EV_INLINE static |
127 | #endif |
199 | #endif |
128 | |
200 | |
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201 | #ifdef EV_API_STATIC |
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202 | # define EV_API_DECL static |
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203 | #else |
|
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204 | # define EV_API_DECL extern |
|
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205 | #endif |
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206 | |
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207 | /* EV_PROTOTYPES can be used to switch of prototype declarations */ |
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208 | #ifndef EV_PROTOTYPES |
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209 | # define EV_PROTOTYPES 1 |
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210 | #endif |
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211 | |
129 | /*****************************************************************************/ |
212 | /*****************************************************************************/ |
130 | |
213 | |
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214 | #define EV_VERSION_MAJOR 4 |
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215 | #define EV_VERSION_MINOR 25 |
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216 | |
131 | /* eventmask, revents, events... */ |
217 | /* eventmask, revents, events... */ |
132 | #define EV_UNDEF -1 /* guaranteed to be invalid */ |
218 | enum { |
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219 | EV_UNDEF = (int)0xFFFFFFFF, /* guaranteed to be invalid */ |
133 | #define EV_NONE 0x00 /* no events */ |
220 | EV_NONE = 0x00, /* no events */ |
134 | #define EV_READ 0x01 /* ev_io detected read will not block */ |
221 | EV_READ = 0x01, /* ev_io detected read will not block */ |
135 | #define EV_WRITE 0x02 /* ev_io detected write will not block */ |
222 | EV_WRITE = 0x02, /* ev_io detected write will not block */ |
136 | #define EV_IOFDSET 0x80 /* internal use only */ |
223 | EV__IOFDSET = 0x80, /* internal use only */ |
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224 | EV_IO = EV_READ, /* alias for type-detection */ |
137 | #define EV_TIMEOUT 0x00000100 /* timer timed out */ |
225 | EV_TIMER = 0x00000100, /* timer timed out */ |
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226 | #if EV_COMPAT3 |
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227 | EV_TIMEOUT = EV_TIMER, /* pre 4.0 API compatibility */ |
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228 | #endif |
138 | #define EV_PERIODIC 0x00000200 /* periodic timer timed out */ |
229 | EV_PERIODIC = 0x00000200, /* periodic timer timed out */ |
139 | #define EV_SIGNAL 0x00000400 /* signal was received */ |
230 | EV_SIGNAL = 0x00000400, /* signal was received */ |
140 | #define EV_CHILD 0x00000800 /* child/pid had status change */ |
231 | EV_CHILD = 0x00000800, /* child/pid had status change */ |
141 | #define EV_STAT 0x00001000 /* stat data changed */ |
232 | EV_STAT = 0x00001000, /* stat data changed */ |
142 | #define EV_IDLE 0x00002000 /* event loop is idling */ |
233 | EV_IDLE = 0x00002000, /* event loop is idling */ |
143 | #define EV_PREPARE 0x00004000 /* event loop about to poll */ |
234 | EV_PREPARE = 0x00004000, /* event loop about to poll */ |
144 | #define EV_CHECK 0x00008000 /* event loop finished poll */ |
235 | EV_CHECK = 0x00008000, /* event loop finished poll */ |
145 | #define EV_EMBED 0x00010000 /* embedded event loop needs sweep */ |
236 | EV_EMBED = 0x00010000, /* embedded event loop needs sweep */ |
146 | #define EV_FORK 0x00020000 /* event loop resumed in child */ |
237 | EV_FORK = 0x00020000, /* event loop resumed in child */ |
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238 | EV_CLEANUP = 0x00040000, /* event loop resumed in child */ |
147 | #define EV_ASYNC 0x00040000 /* async intra-loop signal */ |
239 | EV_ASYNC = 0x00080000, /* async intra-loop signal */ |
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240 | EV_CUSTOM = 0x01000000, /* for use by user code */ |
148 | #define EV_ERROR 0x80000000 /* sent when an error occurs */ |
241 | EV_ERROR = (int)0x80000000 /* sent when an error occurs */ |
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242 | }; |
149 | |
243 | |
150 | /* can be used to add custom fields to all watchers, while losing binary compatibility */ |
244 | /* can be used to add custom fields to all watchers, while losing binary compatibility */ |
151 | #ifndef EV_COMMON |
245 | #ifndef EV_COMMON |
152 | # define EV_COMMON void *data; |
246 | # define EV_COMMON void *data; |
153 | #endif |
247 | #endif |
154 | #ifndef EV_PROTOTYPES |
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155 | # define EV_PROTOTYPES 1 |
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156 | #endif |
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157 | |
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158 | #define EV_VERSION_MAJOR 3 |
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159 | #define EV_VERSION_MINOR 0 |
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160 | |
248 | |
161 | #ifndef EV_CB_DECLARE |
249 | #ifndef EV_CB_DECLARE |
162 | # define EV_CB_DECLARE(type) void (*cb)(EV_P_ struct type *w, int revents); |
250 | # define EV_CB_DECLARE(type) void (*cb)(EV_P_ struct type *w, int revents); |
163 | #endif |
251 | #endif |
164 | #ifndef EV_CB_INVOKE |
252 | #ifndef EV_CB_INVOKE |
165 | # define EV_CB_INVOKE(watcher,revents) (watcher)->cb (EV_A_ (watcher), (revents)) |
253 | # define EV_CB_INVOKE(watcher,revents) (watcher)->cb (EV_A_ (watcher), (revents)) |
166 | #endif |
254 | #endif |
167 | |
255 | |
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256 | /* not official, do not use */ |
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257 | #define EV_CB(type,name) void name (EV_P_ struct ev_ ## type *w, int revents) |
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258 | |
168 | /* |
259 | /* |
169 | * struct member types: |
260 | * struct member types: |
170 | * private: you can look at them, but not change them, and they might not mean anything to you. |
261 | * private: you may look at them, but not change them, |
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262 | * and they might not mean anything to you. |
171 | * ro: can be read anytime, but only changed when the watcher isn't active |
263 | * ro: can be read anytime, but only changed when the watcher isn't active. |
172 | * rw: can be read and modified anytime, even when the watcher is active |
264 | * rw: can be read and modified anytime, even when the watcher is active. |
173 | * |
265 | * |
174 | * some internal details that might be helpful for debugging: |
266 | * some internal details that might be helpful for debugging: |
175 | * |
267 | * |
176 | * active is either 0, which means the watcher is not active, |
268 | * active is either 0, which means the watcher is not active, |
177 | * or the array index of the watcher (periodics, timers) |
269 | * or the array index of the watcher (periodics, timers) |
178 | * or the array index + 1 (most other watchers) |
270 | * or the array index + 1 (most other watchers) |
179 | * or simply 1 for watchers that aren't in some array. |
271 | * or simply 1 for watchers that aren't in some array. |
180 | * pending is either 0, in which case the watcher isn't, |
272 | * pending is either 0, in which case the watcher isn't, |
181 | * or the array index + 1 in the pendings array. |
273 | * or the array index + 1 in the pendings array. |
182 | */ |
274 | */ |
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275 | |
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276 | #if EV_MINPRI == EV_MAXPRI |
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277 | # define EV_DECL_PRIORITY |
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278 | #elif !defined (EV_DECL_PRIORITY) |
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279 | # define EV_DECL_PRIORITY int priority; |
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280 | #endif |
183 | |
281 | |
184 | /* shared by all watchers */ |
282 | /* shared by all watchers */ |
185 | #define EV_WATCHER(type) \ |
283 | #define EV_WATCHER(type) \ |
186 | int active; /* private */ \ |
284 | int active; /* private */ \ |
187 | int pending; /* private */ \ |
285 | int pending; /* private */ \ |
188 | int priority; /* private */ \ |
286 | EV_DECL_PRIORITY /* private */ \ |
189 | EV_COMMON /* rw */ \ |
287 | EV_COMMON /* rw */ \ |
190 | EV_CB_DECLARE (type) /* private */ |
288 | EV_CB_DECLARE (type) /* private */ |
191 | |
289 | |
192 | #define EV_WATCHER_LIST(type) \ |
290 | #define EV_WATCHER_LIST(type) \ |
193 | EV_WATCHER (type) \ |
291 | EV_WATCHER (type) \ |
… | |
… | |
240 | { |
338 | { |
241 | EV_WATCHER_TIME (ev_periodic) |
339 | EV_WATCHER_TIME (ev_periodic) |
242 | |
340 | |
243 | ev_tstamp offset; /* rw */ |
341 | ev_tstamp offset; /* rw */ |
244 | ev_tstamp interval; /* rw */ |
342 | ev_tstamp interval; /* rw */ |
245 | ev_tstamp (*reschedule_cb)(struct ev_periodic *w, ev_tstamp now); /* rw */ |
343 | ev_tstamp (*reschedule_cb)(struct ev_periodic *w, ev_tstamp now) EV_NOEXCEPT; /* rw */ |
246 | } ev_periodic; |
344 | } ev_periodic; |
247 | |
345 | |
248 | /* invoked when the given signal has been received */ |
346 | /* invoked when the given signal has been received */ |
249 | /* revent EV_SIGNAL */ |
347 | /* revent EV_SIGNAL */ |
250 | typedef struct ev_signal |
348 | typedef struct ev_signal |
… | |
… | |
315 | EV_WATCHER (ev_check) |
413 | EV_WATCHER (ev_check) |
316 | } ev_check; |
414 | } ev_check; |
317 | |
415 | |
318 | #if EV_FORK_ENABLE |
416 | #if EV_FORK_ENABLE |
319 | /* the callback gets invoked before check in the child process when a fork was detected */ |
417 | /* the callback gets invoked before check in the child process when a fork was detected */ |
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418 | /* revent EV_FORK */ |
320 | typedef struct ev_fork |
419 | typedef struct ev_fork |
321 | { |
420 | { |
322 | EV_WATCHER (ev_fork) |
421 | EV_WATCHER (ev_fork) |
323 | } ev_fork; |
422 | } ev_fork; |
|
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423 | #endif |
|
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424 | |
|
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425 | #if EV_CLEANUP_ENABLE |
|
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426 | /* is invoked just before the loop gets destroyed */ |
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427 | /* revent EV_CLEANUP */ |
|
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428 | typedef struct ev_cleanup |
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429 | { |
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430 | EV_WATCHER (ev_cleanup) |
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431 | } ev_cleanup; |
324 | #endif |
432 | #endif |
325 | |
433 | |
326 | #if EV_EMBED_ENABLE |
434 | #if EV_EMBED_ENABLE |
327 | /* used to embed an event loop inside another */ |
435 | /* used to embed an event loop inside another */ |
328 | /* the callback gets invoked when the event loop has handled events, and can be 0 */ |
436 | /* the callback gets invoked when the event loop has handled events, and can be 0 */ |
… | |
… | |
335 | ev_prepare prepare; /* private */ |
443 | ev_prepare prepare; /* private */ |
336 | ev_check check; /* unused */ |
444 | ev_check check; /* unused */ |
337 | ev_timer timer; /* unused */ |
445 | ev_timer timer; /* unused */ |
338 | ev_periodic periodic; /* unused */ |
446 | ev_periodic periodic; /* unused */ |
339 | ev_idle idle; /* unused */ |
447 | ev_idle idle; /* unused */ |
340 | ev_fork fork; /* unused */ |
448 | ev_fork fork; /* private */ |
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449 | #if EV_CLEANUP_ENABLE |
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450 | ev_cleanup cleanup; /* unused */ |
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|
451 | #endif |
341 | } ev_embed; |
452 | } ev_embed; |
342 | #endif |
453 | #endif |
343 | |
454 | |
344 | #if EV_ASYNC_ENABLE |
455 | #if EV_ASYNC_ENABLE |
345 | /* invoked when somebody calls ev_async_send on the watcher */ |
456 | /* invoked when somebody calls ev_async_send on the watcher */ |
… | |
… | |
349 | EV_WATCHER (ev_async) |
460 | EV_WATCHER (ev_async) |
350 | |
461 | |
351 | EV_ATOMIC_T sent; /* private */ |
462 | EV_ATOMIC_T sent; /* private */ |
352 | } ev_async; |
463 | } ev_async; |
353 | |
464 | |
354 | # define ev_async_pending(w) ((w)->sent + 0) |
465 | # define ev_async_pending(w) (+(w)->sent) |
355 | #endif |
466 | #endif |
356 | |
467 | |
357 | /* the presence of this union forces similar struct layout */ |
468 | /* the presence of this union forces similar struct layout */ |
358 | union ev_any_watcher |
469 | union ev_any_watcher |
359 | { |
470 | { |
… | |
… | |
374 | struct ev_prepare prepare; |
485 | struct ev_prepare prepare; |
375 | struct ev_check check; |
486 | struct ev_check check; |
376 | #if EV_FORK_ENABLE |
487 | #if EV_FORK_ENABLE |
377 | struct ev_fork fork; |
488 | struct ev_fork fork; |
378 | #endif |
489 | #endif |
|
|
490 | #if EV_CLEANUP_ENABLE |
|
|
491 | struct ev_cleanup cleanup; |
|
|
492 | #endif |
379 | #if EV_EMBED_ENABLE |
493 | #if EV_EMBED_ENABLE |
380 | struct ev_embed embed; |
494 | struct ev_embed embed; |
381 | #endif |
495 | #endif |
382 | #if EV_ASYNC_ENABLE |
496 | #if EV_ASYNC_ENABLE |
383 | struct ev_async async; |
497 | struct ev_async async; |
384 | #endif |
498 | #endif |
385 | }; |
499 | }; |
386 | |
500 | |
387 | /* bits for ev_default_loop and ev_loop_new */ |
501 | /* flag bits for ev_default_loop and ev_loop_new */ |
|
|
502 | enum { |
388 | /* the default */ |
503 | /* the default */ |
389 | #define EVFLAG_AUTO 0x00000000U /* not quite a mask */ |
504 | EVFLAG_AUTO = 0x00000000U, /* not quite a mask */ |
390 | /* flag bits */ |
505 | /* flag bits */ |
391 | #define EVFLAG_NOENV 0x01000000U /* do NOT consult environment */ |
506 | EVFLAG_NOENV = 0x01000000U, /* do NOT consult environment */ |
392 | #define EVFLAG_FORKCHECK 0x02000000U /* check for a fork in each iteration */ |
507 | EVFLAG_FORKCHECK = 0x02000000U, /* check for a fork in each iteration */ |
|
|
508 | /* debugging/feature disable */ |
|
|
509 | EVFLAG_NOINOTIFY = 0x00100000U, /* do not attempt to use inotify */ |
|
|
510 | #if EV_COMPAT3 |
|
|
511 | EVFLAG_NOSIGFD = 0, /* compatibility to pre-3.9 */ |
|
|
512 | #endif |
|
|
513 | EVFLAG_SIGNALFD = 0x00200000U, /* attempt to use signalfd */ |
|
|
514 | EVFLAG_NOSIGMASK = 0x00400000U /* avoid modifying the signal mask */ |
|
|
515 | }; |
|
|
516 | |
393 | /* method bits to be ored together */ |
517 | /* method bits to be ored together */ |
|
|
518 | enum { |
394 | #define EVBACKEND_SELECT 0x00000001U /* about anywhere */ |
519 | EVBACKEND_SELECT = 0x00000001U, /* available just about anywhere */ |
395 | #define EVBACKEND_POLL 0x00000002U /* !win */ |
520 | EVBACKEND_POLL = 0x00000002U, /* !win, !aix, broken on osx */ |
396 | #define EVBACKEND_EPOLL 0x00000004U /* linux */ |
521 | EVBACKEND_EPOLL = 0x00000004U, /* linux */ |
397 | #define EVBACKEND_KQUEUE 0x00000008U /* bsd */ |
522 | EVBACKEND_KQUEUE = 0x00000008U, /* bsd, broken on osx */ |
398 | #define EVBACKEND_DEVPOLL 0x00000010U /* solaris 8 */ /* NYI */ |
523 | EVBACKEND_DEVPOLL = 0x00000010U, /* solaris 8 */ /* NYI */ |
399 | #define EVBACKEND_PORT 0x00000020U /* solaris 10 */ |
524 | EVBACKEND_PORT = 0x00000020U, /* solaris 10 */ |
|
|
525 | EVBACKEND_ALL = 0x0000003FU, /* all known backends */ |
|
|
526 | EVBACKEND_MASK = 0x0000FFFFU /* all future backends */ |
|
|
527 | }; |
400 | |
528 | |
401 | #if EV_PROTOTYPES |
529 | #if EV_PROTOTYPES |
402 | int ev_version_major (void); |
530 | EV_API_DECL int ev_version_major (void) EV_NOEXCEPT; |
403 | int ev_version_minor (void); |
531 | EV_API_DECL int ev_version_minor (void) EV_NOEXCEPT; |
404 | |
532 | |
405 | unsigned int ev_supported_backends (void); |
533 | EV_API_DECL unsigned int ev_supported_backends (void) EV_NOEXCEPT; |
406 | unsigned int ev_recommended_backends (void); |
534 | EV_API_DECL unsigned int ev_recommended_backends (void) EV_NOEXCEPT; |
407 | unsigned int ev_embeddable_backends (void); |
535 | EV_API_DECL unsigned int ev_embeddable_backends (void) EV_NOEXCEPT; |
408 | |
536 | |
409 | ev_tstamp ev_time (void); |
537 | EV_API_DECL ev_tstamp ev_time (void) EV_NOEXCEPT; |
410 | void ev_sleep (ev_tstamp delay); /* sleep for a while */ |
538 | EV_API_DECL void ev_sleep (ev_tstamp delay) EV_NOEXCEPT; /* sleep for a while */ |
411 | |
539 | |
412 | /* Sets the allocation function to use, works like realloc. |
540 | /* Sets the allocation function to use, works like realloc. |
413 | * It is used to allocate and free memory. |
541 | * It is used to allocate and free memory. |
414 | * If it returns zero when memory needs to be allocated, the library might abort |
542 | * If it returns zero when memory needs to be allocated, the library might abort |
415 | * or take some potentially destructive action. |
543 | * or take some potentially destructive action. |
416 | * The default is your system realloc function. |
544 | * The default is your system realloc function. |
417 | */ |
545 | */ |
418 | void ev_set_allocator (void *(*cb)(void *ptr, long size)); |
546 | EV_API_DECL void ev_set_allocator (void *(*cb)(void *ptr, long size) EV_NOEXCEPT) EV_NOEXCEPT; |
419 | |
547 | |
420 | /* set the callback function to call on a |
548 | /* set the callback function to call on a |
421 | * retryable syscall error |
549 | * retryable syscall error |
422 | * (such as failed select, poll, epoll_wait) |
550 | * (such as failed select, poll, epoll_wait) |
423 | */ |
551 | */ |
424 | void ev_set_syserr_cb (void (*cb)(const char *msg)); |
552 | EV_API_DECL void ev_set_syserr_cb (void (*cb)(const char *msg) EV_NOEXCEPT) EV_NOEXCEPT; |
425 | |
553 | |
426 | #if EV_MULTIPLICITY |
554 | #if EV_MULTIPLICITY |
|
|
555 | |
|
|
556 | /* the default loop is the only one that handles signals and child watchers */ |
|
|
557 | /* you can call this as often as you like */ |
|
|
558 | EV_API_DECL struct ev_loop *ev_default_loop (unsigned int flags EV_CPP (= 0)) EV_NOEXCEPT; |
|
|
559 | |
|
|
560 | #ifdef EV_API_STATIC |
|
|
561 | EV_API_DECL struct ev_loop *ev_default_loop_ptr; |
|
|
562 | #endif |
|
|
563 | |
427 | EV_INLINE struct ev_loop * |
564 | EV_INLINE struct ev_loop * |
428 | ev_default_loop_uc (void) |
565 | ev_default_loop_uc_ (void) EV_NOEXCEPT |
429 | { |
566 | { |
430 | extern struct ev_loop *ev_default_loop_ptr; |
567 | extern struct ev_loop *ev_default_loop_ptr; |
431 | |
568 | |
432 | return ev_default_loop_ptr; |
569 | return ev_default_loop_ptr; |
433 | } |
570 | } |
434 | |
571 | |
435 | /* the default loop is the only one that handles signals and child watchers */ |
572 | EV_INLINE int |
436 | /* you can call this as often as you like */ |
573 | ev_is_default_loop (EV_P) EV_NOEXCEPT |
437 | EV_INLINE struct ev_loop * |
|
|
438 | ev_default_loop (unsigned int flags) |
|
|
439 | { |
574 | { |
440 | struct ev_loop *loop = ev_default_loop_uc (); |
575 | return EV_A == EV_DEFAULT_UC; |
441 | |
|
|
442 | if (!loop) |
|
|
443 | { |
|
|
444 | extern struct ev_loop *ev_default_loop_init (unsigned int flags); |
|
|
445 | |
|
|
446 | loop = ev_default_loop_init (flags); |
|
|
447 | } |
|
|
448 | |
|
|
449 | return loop; |
|
|
450 | } |
576 | } |
451 | |
577 | |
452 | /* create and destroy alternative loops that don't handle signals */ |
578 | /* create and destroy alternative loops that don't handle signals */ |
453 | struct ev_loop *ev_loop_new (unsigned int flags); |
579 | EV_API_DECL struct ev_loop *ev_loop_new (unsigned int flags EV_CPP (= 0)) EV_NOEXCEPT; |
454 | void ev_loop_destroy (EV_P); |
|
|
455 | void ev_loop_fork (EV_P); |
|
|
456 | void ev_loop_verify (EV_P); |
|
|
457 | |
580 | |
458 | ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */ |
581 | EV_API_DECL ev_tstamp ev_now (EV_P) EV_NOEXCEPT; /* time w.r.t. timers and the eventloop, updated after each poll */ |
459 | |
582 | |
460 | #else |
583 | #else |
461 | |
584 | |
462 | int ev_default_loop (unsigned int flags); /* returns true when successful */ |
585 | EV_API_DECL int ev_default_loop (unsigned int flags EV_CPP (= 0)) EV_NOEXCEPT; /* returns true when successful */ |
|
|
586 | |
|
|
587 | EV_API_DECL ev_tstamp ev_rt_now; |
463 | |
588 | |
464 | EV_INLINE ev_tstamp |
589 | EV_INLINE ev_tstamp |
465 | ev_now (void) |
590 | ev_now (void) EV_NOEXCEPT |
466 | { |
591 | { |
467 | extern ev_tstamp ev_rt_now; |
|
|
468 | |
|
|
469 | return ev_rt_now; |
592 | return ev_rt_now; |
470 | } |
593 | } |
|
|
594 | |
|
|
595 | /* looks weird, but ev_is_default_loop (EV_A) still works if this exists */ |
|
|
596 | EV_INLINE int |
|
|
597 | ev_is_default_loop (void) EV_NOEXCEPT |
|
|
598 | { |
|
|
599 | return 1; |
|
|
600 | } |
|
|
601 | |
471 | #endif /* multiplicity */ |
602 | #endif /* multiplicity */ |
472 | |
603 | |
473 | EV_INLINE int |
604 | /* destroy event loops, also works for the default loop */ |
474 | ev_is_default_loop (EV_P) |
605 | EV_API_DECL void ev_loop_destroy (EV_P); |
475 | { |
|
|
476 | #if EV_MULTIPLICITY |
|
|
477 | extern struct ev_loop *ev_default_loop_ptr; |
|
|
478 | |
606 | |
479 | return !!(EV_A == ev_default_loop_ptr); |
|
|
480 | #else |
|
|
481 | return 1; |
|
|
482 | #endif |
|
|
483 | } |
|
|
484 | |
|
|
485 | void ev_default_destroy (void); /* destroy the default loop */ |
|
|
486 | /* this needs to be called after fork, to duplicate the default loop */ |
607 | /* this needs to be called after fork, to duplicate the loop */ |
487 | /* if you create alternative loops you have to call ev_loop_fork on them */ |
608 | /* when you want to re-use it in the child */ |
488 | /* you can call it in either the parent or the child */ |
609 | /* you can call it in either the parent or the child */ |
489 | /* you can actually call it at any time, anywhere :) */ |
610 | /* you can actually call it at any time, anywhere :) */ |
490 | void ev_default_fork (void); |
611 | EV_API_DECL void ev_loop_fork (EV_P) EV_NOEXCEPT; |
491 | |
612 | |
492 | unsigned int ev_backend (EV_P); /* backend in use by loop */ |
613 | EV_API_DECL unsigned int ev_backend (EV_P) EV_NOEXCEPT; /* backend in use by loop */ |
493 | unsigned int ev_loop_count (EV_P); /* number of loop iterations */ |
614 | |
|
|
615 | EV_API_DECL void ev_now_update (EV_P) EV_NOEXCEPT; /* update event loop time */ |
|
|
616 | |
|
|
617 | #if EV_WALK_ENABLE |
|
|
618 | /* walk (almost) all watchers in the loop of a given type, invoking the */ |
|
|
619 | /* callback on every such watcher. The callback might stop the watcher, */ |
|
|
620 | /* but do nothing else with the loop */ |
|
|
621 | EV_API_DECL void ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_NOEXCEPT; |
|
|
622 | #endif |
|
|
623 | |
494 | #endif /* prototypes */ |
624 | #endif /* prototypes */ |
495 | |
625 | |
496 | #define EVLOOP_NONBLOCK 1 /* do not block/wait */ |
626 | /* ev_run flags values */ |
497 | #define EVLOOP_ONESHOT 2 /* block *once* only */ |
627 | enum { |
498 | #define EVUNLOOP_CANCEL 0 /* undo unloop */ |
628 | EVRUN_NOWAIT = 1, /* do not block/wait */ |
499 | #define EVUNLOOP_ONE 1 /* unloop once */ |
629 | EVRUN_ONCE = 2 /* block *once* only */ |
|
|
630 | }; |
|
|
631 | |
|
|
632 | /* ev_break how values */ |
|
|
633 | enum { |
|
|
634 | EVBREAK_CANCEL = 0, /* undo unloop */ |
|
|
635 | EVBREAK_ONE = 1, /* unloop once */ |
500 | #define EVUNLOOP_ALL 2 /* unloop all loops */ |
636 | EVBREAK_ALL = 2 /* unloop all loops */ |
|
|
637 | }; |
501 | |
638 | |
502 | #if EV_PROTOTYPES |
639 | #if EV_PROTOTYPES |
503 | void ev_loop (EV_P_ int flags); |
640 | EV_API_DECL int ev_run (EV_P_ int flags EV_CPP (= 0)); |
504 | 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 */ |
641 | EV_API_DECL void ev_break (EV_P_ int how EV_CPP (= EVBREAK_ONE)) EV_NOEXCEPT; /* break out of the loop */ |
505 | |
|
|
506 | void ev_set_io_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */ |
|
|
507 | void ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */ |
|
|
508 | |
642 | |
509 | /* |
643 | /* |
510 | * ref/unref can be used to add or remove a refcount on the mainloop. every watcher |
644 | * ref/unref can be used to add or remove a refcount on the mainloop. every watcher |
511 | * keeps one reference. if you have a long-runing watcher you never unregister that |
645 | * keeps one reference. if you have a long-running watcher you never unregister that |
512 | * should not keep ev_loop from running, unref() after starting, and ref() before stopping. |
646 | * should not keep ev_loop from running, unref() after starting, and ref() before stopping. |
513 | */ |
647 | */ |
514 | void ev_ref (EV_P); |
648 | EV_API_DECL void ev_ref (EV_P) EV_NOEXCEPT; |
515 | void ev_unref (EV_P); |
649 | EV_API_DECL void ev_unref (EV_P) EV_NOEXCEPT; |
516 | |
650 | |
|
|
651 | /* |
517 | /* convinience function, wait for a single event, without registering an event watcher */ |
652 | * convenience function, wait for a single event, without registering an event watcher |
518 | /* if timeout is < 0, do wait indefinitely */ |
653 | * if timeout is < 0, do wait indefinitely |
|
|
654 | */ |
519 | void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg); |
655 | EV_API_DECL void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_NOEXCEPT; |
|
|
656 | |
|
|
657 | # if EV_FEATURE_API |
|
|
658 | EV_API_DECL unsigned int ev_iteration (EV_P) EV_NOEXCEPT; /* number of loop iterations */ |
|
|
659 | EV_API_DECL unsigned int ev_depth (EV_P) EV_NOEXCEPT; /* #ev_loop enters - #ev_loop leaves */ |
|
|
660 | EV_API_DECL void ev_verify (EV_P) EV_NOEXCEPT; /* abort if loop data corrupted */ |
|
|
661 | |
|
|
662 | EV_API_DECL void ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT; /* sleep at least this time, default 0 */ |
|
|
663 | EV_API_DECL void ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT; /* sleep at least this time, default 0 */ |
|
|
664 | |
|
|
665 | /* advanced stuff for threading etc. support, see docs */ |
|
|
666 | EV_API_DECL void ev_set_userdata (EV_P_ void *data) EV_NOEXCEPT; |
|
|
667 | EV_API_DECL void *ev_userdata (EV_P) EV_NOEXCEPT; |
|
|
668 | typedef void (*ev_loop_callback)(EV_P); |
|
|
669 | EV_API_DECL void ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_NOEXCEPT; |
|
|
670 | /* C++ doesn't allow the use of the ev_loop_callback typedef here, so we need to spell it out */ |
|
|
671 | EV_API_DECL void ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_NOEXCEPT, void (*acquire)(EV_P) EV_NOEXCEPT) EV_NOEXCEPT; |
|
|
672 | |
|
|
673 | EV_API_DECL unsigned int ev_pending_count (EV_P) EV_NOEXCEPT; /* number of pending events, if any */ |
|
|
674 | EV_API_DECL void ev_invoke_pending (EV_P); /* invoke all pending watchers */ |
|
|
675 | |
|
|
676 | /* |
|
|
677 | * stop/start the timer handling. |
|
|
678 | */ |
|
|
679 | EV_API_DECL void ev_suspend (EV_P) EV_NOEXCEPT; |
|
|
680 | EV_API_DECL void ev_resume (EV_P) EV_NOEXCEPT; |
|
|
681 | #endif |
|
|
682 | |
520 | #endif |
683 | #endif |
521 | |
684 | |
522 | /* these may evaluate ev multiple times, and the other arguments at most once */ |
685 | /* these may evaluate ev multiple times, and the other arguments at most once */ |
523 | /* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */ |
686 | /* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */ |
524 | #define ev_init(ev,cb_) do { \ |
687 | #define ev_init(ev,cb_) do { \ |
525 | ((ev_watcher *)(void *)(ev))->active = \ |
688 | ((ev_watcher *)(void *)(ev))->active = \ |
526 | ((ev_watcher *)(void *)(ev))->pending = \ |
689 | ((ev_watcher *)(void *)(ev))->pending = 0; \ |
527 | ((ev_watcher *)(void *)(ev))->priority = 0; \ |
690 | ev_set_priority ((ev), 0); \ |
528 | ev_set_cb ((ev), cb_); \ |
691 | ev_set_cb ((ev), cb_); \ |
529 | } while (0) |
692 | } while (0) |
530 | |
693 | |
531 | #define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_) | EV_IOFDSET; } while (0) |
694 | #define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_) | EV__IOFDSET; } while (0) |
532 | #define ev_timer_set(ev,after_,repeat_) do { ((ev_watcher_time *)(ev))->at = (after_); (ev)->repeat = (repeat_); } while (0) |
695 | #define ev_timer_set(ev,after_,repeat_) do { ((ev_watcher_time *)(ev))->at = (after_); (ev)->repeat = (repeat_); } while (0) |
533 | #define ev_periodic_set(ev,ofs_,ival_,res_) do { (ev)->offset = (ofs_); (ev)->interval = (ival_); (ev)->reschedule_cb= (res_); } while (0) |
696 | #define ev_periodic_set(ev,ofs_,ival_,rcb_) do { (ev)->offset = (ofs_); (ev)->interval = (ival_); (ev)->reschedule_cb = (rcb_); } while (0) |
534 | #define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0) |
697 | #define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0) |
535 | #define ev_child_set(ev,pid_,trace_) do { (ev)->pid = (pid_); (ev)->flags = !!(trace_); } while (0) |
698 | #define ev_child_set(ev,pid_,trace_) do { (ev)->pid = (pid_); (ev)->flags = !!(trace_); } while (0) |
536 | #define ev_stat_set(ev,path_,interval_) do { (ev)->path = (path_); (ev)->interval = (interval_); (ev)->wd = -2; } while (0) |
699 | #define ev_stat_set(ev,path_,interval_) do { (ev)->path = (path_); (ev)->interval = (interval_); (ev)->wd = -2; } while (0) |
537 | #define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */ |
700 | #define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */ |
538 | #define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */ |
701 | #define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */ |
539 | #define ev_check_set(ev) /* nop, yes, this is a serious in-joke */ |
702 | #define ev_check_set(ev) /* nop, yes, this is a serious in-joke */ |
540 | #define ev_embed_set(ev,other_) do { (ev)->other = (other_); } while (0) |
703 | #define ev_embed_set(ev,other_) do { (ev)->other = (other_); } while (0) |
541 | #define ev_fork_set(ev) /* nop, yes, this is a serious in-joke */ |
704 | #define ev_fork_set(ev) /* nop, yes, this is a serious in-joke */ |
542 | #define ev_async_set(ev) do { (ev)->sent = 0; } while (0) |
705 | #define ev_cleanup_set(ev) /* nop, yes, this is a serious in-joke */ |
|
|
706 | #define ev_async_set(ev) /* nop, yes, this is a serious in-joke */ |
543 | |
707 | |
544 | #define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0) |
708 | #define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0) |
545 | #define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0) |
709 | #define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0) |
546 | #define ev_periodic_init(ev,cb,at,ival,res) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(at),(ival),(res)); } while (0) |
710 | #define ev_periodic_init(ev,cb,ofs,ival,rcb) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(ofs),(ival),(rcb)); } while (0) |
547 | #define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0) |
711 | #define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0) |
548 | #define ev_child_init(ev,cb,pid,trace) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid),(trace)); } while (0) |
712 | #define ev_child_init(ev,cb,pid,trace) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid),(trace)); } while (0) |
549 | #define ev_stat_init(ev,cb,path,interval) do { ev_init ((ev), (cb)); ev_stat_set ((ev),(path),(interval)); } while (0) |
713 | #define ev_stat_init(ev,cb,path,interval) do { ev_init ((ev), (cb)); ev_stat_set ((ev),(path),(interval)); } while (0) |
550 | #define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0) |
714 | #define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0) |
551 | #define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0) |
715 | #define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0) |
552 | #define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0) |
716 | #define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0) |
553 | #define ev_embed_init(ev,cb,other) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(other)); } while (0) |
717 | #define ev_embed_init(ev,cb,other) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(other)); } while (0) |
554 | #define ev_fork_init(ev,cb) do { ev_init ((ev), (cb)); ev_fork_set ((ev)); } while (0) |
718 | #define ev_fork_init(ev,cb) do { ev_init ((ev), (cb)); ev_fork_set ((ev)); } while (0) |
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719 | #define ev_cleanup_init(ev,cb) do { ev_init ((ev), (cb)); ev_cleanup_set ((ev)); } while (0) |
555 | #define ev_async_init(ev,cb) do { ev_init ((ev), (cb)); ev_async_set ((ev)); } while (0) |
720 | #define ev_async_init(ev,cb) do { ev_init ((ev), (cb)); ev_async_set ((ev)); } while (0) |
556 | |
721 | |
557 | #define ev_is_pending(ev) (0 + ((ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */ |
722 | #define ev_is_pending(ev) (0 + ((ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */ |
558 | #define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */ |
723 | #define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */ |
559 | |
724 | |
560 | #define ev_priority(ev) ((((ev_watcher *)(void *)(ev))->priority) + 0) |
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561 | #define ev_cb(ev) (ev)->cb /* rw */ |
725 | #define ev_cb_(ev) (ev)->cb /* rw */ |
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726 | #define ev_cb(ev) (memmove (&ev_cb_ (ev), &((ev_watcher *)(ev))->cb, sizeof (ev_cb_ (ev))), (ev)->cb) |
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727 | |
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728 | #if EV_MINPRI == EV_MAXPRI |
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729 | # define ev_priority(ev) ((ev), EV_MINPRI) |
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730 | # define ev_set_priority(ev,pri) ((ev), (pri)) |
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731 | #else |
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732 | # define ev_priority(ev) (+(((ev_watcher *)(void *)(ev))->priority)) |
562 | #define ev_set_priority(ev,pri) ((ev_watcher *)(void *)(ev))->priority = (pri) |
733 | # define ev_set_priority(ev,pri) ( (ev_watcher *)(void *)(ev))->priority = (pri) |
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734 | #endif |
563 | |
735 | |
564 | #define ev_periodic_at(ev) (((ev_watcher_time *)(ev))->at + 0.) |
736 | #define ev_periodic_at(ev) (+((ev_watcher_time *)(ev))->at) |
565 | |
737 | |
566 | #ifndef ev_set_cb |
738 | #ifndef ev_set_cb |
567 | # define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_) |
739 | # define ev_set_cb(ev,cb_) (ev_cb_ (ev) = (cb_), memmove (&((ev_watcher *)(ev))->cb, &ev_cb_ (ev), sizeof (ev_cb_ (ev)))) |
568 | #endif |
740 | #endif |
569 | |
741 | |
570 | /* stopping (enabling, adding) a watcher does nothing if it is already running */ |
742 | /* stopping (enabling, adding) a watcher does nothing if it is already running */ |
571 | /* stopping (disabling, deleting) a watcher does nothing unless its already running */ |
743 | /* stopping (disabling, deleting) a watcher does nothing unless it's already running */ |
572 | #if EV_PROTOTYPES |
744 | #if EV_PROTOTYPES |
573 | |
745 | |
574 | /* feeds an event into a watcher as if the event actually occured */ |
746 | /* feeds an event into a watcher as if the event actually occurred */ |
575 | /* accepts any ev_watcher type */ |
747 | /* accepts any ev_watcher type */ |
576 | void ev_feed_event (EV_P_ void *w, int revents); |
748 | EV_API_DECL void ev_feed_event (EV_P_ void *w, int revents) EV_NOEXCEPT; |
577 | void ev_feed_fd_event (EV_P_ int fd, int revents); |
749 | EV_API_DECL void ev_feed_fd_event (EV_P_ int fd, int revents) EV_NOEXCEPT; |
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750 | #if EV_SIGNAL_ENABLE |
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751 | EV_API_DECL void ev_feed_signal (int signum) EV_NOEXCEPT; |
578 | void ev_feed_signal_event (EV_P_ int signum); |
752 | EV_API_DECL void ev_feed_signal_event (EV_P_ int signum) EV_NOEXCEPT; |
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753 | #endif |
579 | void ev_invoke (EV_P_ void *w, int revents); |
754 | EV_API_DECL void ev_invoke (EV_P_ void *w, int revents); |
580 | int ev_clear_pending (EV_P_ void *w); |
755 | EV_API_DECL int ev_clear_pending (EV_P_ void *w) EV_NOEXCEPT; |
581 | |
756 | |
582 | void ev_io_start (EV_P_ ev_io *w); |
757 | EV_API_DECL void ev_io_start (EV_P_ ev_io *w) EV_NOEXCEPT; |
583 | void ev_io_stop (EV_P_ ev_io *w); |
758 | EV_API_DECL void ev_io_stop (EV_P_ ev_io *w) EV_NOEXCEPT; |
584 | |
759 | |
585 | void ev_timer_start (EV_P_ ev_timer *w); |
760 | EV_API_DECL void ev_timer_start (EV_P_ ev_timer *w) EV_NOEXCEPT; |
586 | void ev_timer_stop (EV_P_ ev_timer *w); |
761 | EV_API_DECL void ev_timer_stop (EV_P_ ev_timer *w) EV_NOEXCEPT; |
587 | /* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */ |
762 | /* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */ |
588 | void ev_timer_again (EV_P_ ev_timer *w); |
763 | EV_API_DECL void ev_timer_again (EV_P_ ev_timer *w) EV_NOEXCEPT; |
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764 | /* return remaining time */ |
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765 | EV_API_DECL ev_tstamp ev_timer_remaining (EV_P_ ev_timer *w) EV_NOEXCEPT; |
589 | |
766 | |
590 | #if EV_PERIODIC_ENABLE |
767 | #if EV_PERIODIC_ENABLE |
591 | void ev_periodic_start (EV_P_ ev_periodic *w); |
768 | EV_API_DECL void ev_periodic_start (EV_P_ ev_periodic *w) EV_NOEXCEPT; |
592 | void ev_periodic_stop (EV_P_ ev_periodic *w); |
769 | EV_API_DECL void ev_periodic_stop (EV_P_ ev_periodic *w) EV_NOEXCEPT; |
593 | void ev_periodic_again (EV_P_ ev_periodic *w); |
770 | EV_API_DECL void ev_periodic_again (EV_P_ ev_periodic *w) EV_NOEXCEPT; |
594 | #endif |
771 | #endif |
595 | |
772 | |
596 | /* only supported in the default loop */ |
773 | /* only supported in the default loop */ |
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774 | #if EV_SIGNAL_ENABLE |
597 | void ev_signal_start (EV_P_ ev_signal *w); |
775 | EV_API_DECL void ev_signal_start (EV_P_ ev_signal *w) EV_NOEXCEPT; |
598 | void ev_signal_stop (EV_P_ ev_signal *w); |
776 | EV_API_DECL void ev_signal_stop (EV_P_ ev_signal *w) EV_NOEXCEPT; |
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777 | #endif |
599 | |
778 | |
600 | /* only supported in the default loop */ |
779 | /* only supported in the default loop */ |
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780 | # if EV_CHILD_ENABLE |
601 | void ev_child_start (EV_P_ ev_child *w); |
781 | EV_API_DECL void ev_child_start (EV_P_ ev_child *w) EV_NOEXCEPT; |
602 | void ev_child_stop (EV_P_ ev_child *w); |
782 | EV_API_DECL void ev_child_stop (EV_P_ ev_child *w) EV_NOEXCEPT; |
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783 | # endif |
603 | |
784 | |
604 | # if EV_STAT_ENABLE |
785 | # if EV_STAT_ENABLE |
605 | void ev_stat_start (EV_P_ ev_stat *w); |
786 | EV_API_DECL void ev_stat_start (EV_P_ ev_stat *w) EV_NOEXCEPT; |
606 | void ev_stat_stop (EV_P_ ev_stat *w); |
787 | EV_API_DECL void ev_stat_stop (EV_P_ ev_stat *w) EV_NOEXCEPT; |
607 | void ev_stat_stat (EV_P_ ev_stat *w); |
788 | EV_API_DECL void ev_stat_stat (EV_P_ ev_stat *w) EV_NOEXCEPT; |
608 | # endif |
789 | # endif |
609 | |
790 | |
610 | # if EV_IDLE_ENABLE |
791 | # if EV_IDLE_ENABLE |
611 | void ev_idle_start (EV_P_ ev_idle *w); |
792 | EV_API_DECL void ev_idle_start (EV_P_ ev_idle *w) EV_NOEXCEPT; |
612 | void ev_idle_stop (EV_P_ ev_idle *w); |
793 | EV_API_DECL void ev_idle_stop (EV_P_ ev_idle *w) EV_NOEXCEPT; |
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794 | # endif |
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795 | |
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796 | #if EV_PREPARE_ENABLE |
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797 | EV_API_DECL void ev_prepare_start (EV_P_ ev_prepare *w) EV_NOEXCEPT; |
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798 | EV_API_DECL void ev_prepare_stop (EV_P_ ev_prepare *w) EV_NOEXCEPT; |
613 | # endif |
799 | #endif |
614 | |
800 | |
615 | void ev_prepare_start (EV_P_ ev_prepare *w); |
801 | #if EV_CHECK_ENABLE |
616 | void ev_prepare_stop (EV_P_ ev_prepare *w); |
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617 | |
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618 | void ev_check_start (EV_P_ ev_check *w); |
802 | EV_API_DECL void ev_check_start (EV_P_ ev_check *w) EV_NOEXCEPT; |
619 | void ev_check_stop (EV_P_ ev_check *w); |
803 | EV_API_DECL void ev_check_stop (EV_P_ ev_check *w) EV_NOEXCEPT; |
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804 | #endif |
620 | |
805 | |
621 | # if EV_FORK_ENABLE |
806 | # if EV_FORK_ENABLE |
622 | void ev_fork_start (EV_P_ ev_fork *w); |
807 | EV_API_DECL void ev_fork_start (EV_P_ ev_fork *w) EV_NOEXCEPT; |
623 | void ev_fork_stop (EV_P_ ev_fork *w); |
808 | EV_API_DECL void ev_fork_stop (EV_P_ ev_fork *w) EV_NOEXCEPT; |
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809 | # endif |
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810 | |
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811 | # if EV_CLEANUP_ENABLE |
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812 | EV_API_DECL void ev_cleanup_start (EV_P_ ev_cleanup *w) EV_NOEXCEPT; |
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813 | EV_API_DECL void ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_NOEXCEPT; |
624 | # endif |
814 | # endif |
625 | |
815 | |
626 | # if EV_EMBED_ENABLE |
816 | # if EV_EMBED_ENABLE |
627 | /* only supported when loop to be embedded is in fact embeddable */ |
817 | /* only supported when loop to be embedded is in fact embeddable */ |
628 | void ev_embed_start (EV_P_ ev_embed *w); |
818 | EV_API_DECL void ev_embed_start (EV_P_ ev_embed *w) EV_NOEXCEPT; |
629 | void ev_embed_stop (EV_P_ ev_embed *w); |
819 | EV_API_DECL void ev_embed_stop (EV_P_ ev_embed *w) EV_NOEXCEPT; |
630 | void ev_embed_sweep (EV_P_ ev_embed *w); |
820 | EV_API_DECL void ev_embed_sweep (EV_P_ ev_embed *w) EV_NOEXCEPT; |
631 | # endif |
821 | # endif |
632 | |
822 | |
633 | # if EV_ASYNC_ENABLE |
823 | # if EV_ASYNC_ENABLE |
634 | void ev_async_start (EV_P_ ev_async *w); |
824 | EV_API_DECL void ev_async_start (EV_P_ ev_async *w) EV_NOEXCEPT; |
635 | void ev_async_stop (EV_P_ ev_async *w); |
825 | EV_API_DECL void ev_async_stop (EV_P_ ev_async *w) EV_NOEXCEPT; |
636 | void ev_async_send (EV_P_ ev_async *w); |
826 | EV_API_DECL void ev_async_send (EV_P_ ev_async *w) EV_NOEXCEPT; |
637 | # endif |
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638 | |
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639 | #endif |
827 | # endif |
640 | |
828 | |
641 | #ifdef __cplusplus |
829 | #if EV_COMPAT3 |
642 | } |
830 | #define EVLOOP_NONBLOCK EVRUN_NOWAIT |
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831 | #define EVLOOP_ONESHOT EVRUN_ONCE |
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832 | #define EVUNLOOP_CANCEL EVBREAK_CANCEL |
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833 | #define EVUNLOOP_ONE EVBREAK_ONE |
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834 | #define EVUNLOOP_ALL EVBREAK_ALL |
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835 | #if EV_PROTOTYPES |
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836 | EV_INLINE void ev_loop (EV_P_ int flags) { ev_run (EV_A_ flags); } |
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837 | EV_INLINE void ev_unloop (EV_P_ int how ) { ev_break (EV_A_ how ); } |
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838 | EV_INLINE void ev_default_destroy (void) { ev_loop_destroy (EV_DEFAULT); } |
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839 | EV_INLINE void ev_default_fork (void) { ev_loop_fork (EV_DEFAULT); } |
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840 | #if EV_FEATURE_API |
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841 | EV_INLINE unsigned int ev_loop_count (EV_P) { return ev_iteration (EV_A); } |
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842 | EV_INLINE unsigned int ev_loop_depth (EV_P) { return ev_depth (EV_A); } |
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843 | EV_INLINE void ev_loop_verify (EV_P) { ev_verify (EV_A); } |
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844 | #endif |
643 | #endif |
845 | #endif |
644 | |
846 | #else |
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847 | typedef struct ev_loop ev_loop; |
645 | #endif |
848 | #endif |
646 | |
849 | |
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850 | #endif |
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851 | |
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852 | EV_CPP(}) |
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853 | |
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854 | #endif |
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855 | |