Mercurial > hg > nginx
annotate src/event/modules/ngx_aio_module.c @ 1966:fb02f63eafd6
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author | Igor Sysoev <igor@sysoev.ru> |
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date | Thu, 10 Apr 2008 17:26:14 +0000 |
parents | 0b592a68aade |
children | 3e10674139e4 |
rev | line source |
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441
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1 |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
441
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4 */ |
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5 |
0
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7 #include <ngx_config.h> |
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8 #include <ngx_core.h> |
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9 #include <ngx_event.h> |
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10 #include <ngx_aio.h> |
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11 |
469 | 12 #if (NGX_HAVE_KQUEUE) |
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13 #include <ngx_kqueue_module.h> |
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14 #endif |
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15 |
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16 |
563 | 17 static ngx_int_t ngx_aio_init(ngx_cycle_t *cycle, ngx_msec_t timer); |
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18 static void ngx_aio_done(ngx_cycle_t *cycle); |
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19 static ngx_int_t ngx_aio_add_event(ngx_event_t *ev, ngx_int_t event, |
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20 ngx_uint_t flags); |
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21 static ngx_int_t ngx_aio_del_event(ngx_event_t *ev, ngx_int_t event, |
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22 ngx_uint_t flags); |
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23 static ngx_int_t ngx_aio_del_connection(ngx_connection_t *c, ngx_uint_t flags); |
563 | 24 static ngx_int_t ngx_aio_process_events(ngx_cycle_t *cycle, ngx_msec_t timer, |
25 ngx_uint_t flags); | |
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26 |
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27 |
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28 ngx_os_io_t ngx_os_aio = { |
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29 ngx_aio_read, |
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30 ngx_aio_read_chain, |
1689 | 31 NULL, |
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32 ngx_aio_write, |
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33 ngx_aio_write_chain, |
469 | 34 0 |
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35 }; |
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36 |
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37 |
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38 static ngx_str_t aio_name = ngx_string("aio"); |
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39 |
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40 ngx_event_module_t ngx_aio_module_ctx = { |
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41 &aio_name, |
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42 NULL, /* create configuration */ |
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43 NULL, /* init configuration */ |
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44 |
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45 { |
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46 ngx_aio_add_event, /* add an event */ |
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47 ngx_aio_del_event, /* delete an event */ |
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48 NULL, /* enable an event */ |
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49 NULL, /* disable an event */ |
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50 NULL, /* add an connection */ |
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51 ngx_aio_del_connection, /* delete an connection */ |
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52 NULL, /* process the changes */ |
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53 ngx_aio_process_events, /* process the events */ |
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54 ngx_aio_init, /* init the events */ |
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55 ngx_aio_done /* done the events */ |
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56 } |
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57 |
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58 }; |
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59 |
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60 ngx_module_t ngx_aio_module = { |
509 | 61 NGX_MODULE_V1, |
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62 &ngx_aio_module_ctx, /* module context */ |
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63 NULL, /* module directives */ |
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64 NGX_EVENT_MODULE, /* module type */ |
541 | 65 NULL, /* init master */ |
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66 NULL, /* init module */ |
541 | 67 NULL, /* init process */ |
68 NULL, /* init thread */ | |
69 NULL, /* exit thread */ | |
70 NULL, /* exit process */ | |
71 NULL, /* exit master */ | |
72 NGX_MODULE_V1_PADDING | |
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73 }; |
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74 |
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75 |
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76 |
469 | 77 #if (NGX_HAVE_KQUEUE) |
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78 |
499 | 79 static ngx_int_t |
563 | 80 ngx_aio_init(ngx_cycle_t *cycle, ngx_msec_t timer) |
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81 { |
563 | 82 if (ngx_kqueue_module_ctx.actions.init(cycle, timer) == NGX_ERROR) { |
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83 return NGX_ERROR; |
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84 } |
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85 |
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86 ngx_io = ngx_os_aio; |
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87 |
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88 ngx_event_flags = NGX_USE_AIO_EVENT; |
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89 ngx_event_actions = ngx_aio_module_ctx.actions; |
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90 |
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91 |
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92 return NGX_OK; |
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93 } |
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94 |
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95 |
499 | 96 static void |
97 ngx_aio_done(ngx_cycle_t *cycle) | |
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98 { |
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99 ngx_kqueue_module_ctx.actions.done(cycle); |
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100 } |
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101 |
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102 |
499 | 103 /* the event adding and deleting are needed for the listening sockets */ |
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104 |
499 | 105 static ngx_int_t |
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106 ngx_aio_add_event(ngx_event_t *ev, ngx_int_t event, ngx_uint_t flags) |
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107 { |
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108 return ngx_kqueue_module_ctx.actions.add(ev, event, flags); |
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109 } |
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110 |
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111 |
499 | 112 static ngx_int_t |
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113 ngx_aio_del_event(ngx_event_t *ev, ngx_int_t event, ngx_uint_t flags) |
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114 { |
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115 return ngx_kqueue_module_ctx.actions.del(ev, event, flags); |
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116 } |
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117 |
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118 |
499 | 119 static ngx_int_t |
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120 ngx_aio_del_connection(ngx_connection_t *c, ngx_uint_t flags) |
94
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121 { |
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122 int rc; |
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123 |
95
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nginx-0.0.1-2003-05-23-15:53:01 import
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124 if (c->read->active == 0 && c->write->active == 0) { |
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125 return NGX_OK; |
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nginx-0.0.1-2003-05-23-15:53:01 import
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126 } |
94
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127 |
461 | 128 if (flags & NGX_CLOSE_EVENT) { |
129 return NGX_OK; | |
130 } | |
131 | |
95
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nginx-0.0.1-2003-05-23-15:53:01 import
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132 rc = aio_cancel(c->fd, NULL); |
94
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133 |
257
70e1c7d2b83d
nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
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134 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "aio_cancel: %d", rc); |
94
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Igor Sysoev <igor@sysoev.ru>
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135 |
95
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nginx-0.0.1-2003-05-23-15:53:01 import
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136 if (rc == AIO_CANCELED) { |
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137 c->read->active = c->write->active = 0; |
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138 return NGX_OK; |
94
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139 } |
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140 |
95
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nginx-0.0.1-2003-05-23-15:53:01 import
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141 if (rc == AIO_ALLDONE) { |
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142 c->read->active = c->write->active = 0; |
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143 ngx_log_error(NGX_LOG_ALERT, c->log, 0, |
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144 "aio_cancel() returned AIO_ALLDONE"); |
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nginx-0.0.1-2003-05-23-15:53:01 import
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145 return NGX_OK; |
b48066122884
nginx-0.0.1-2003-05-23-15:53:01 import
Igor Sysoev <igor@sysoev.ru>
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146 } |
94
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147 |
95
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nginx-0.0.1-2003-05-23-15:53:01 import
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148 if (rc == -1) { |
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149 ngx_log_error(NGX_LOG_ALERT, c->log, ngx_errno, |
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150 "aio_cancel() failed"); |
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151 return NGX_ERROR; |
b48066122884
nginx-0.0.1-2003-05-23-15:53:01 import
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152 } |
94
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nginx-0.0.1-2003-05-22-19:23:47 import
Igor Sysoev <igor@sysoev.ru>
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153 |
95
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nginx-0.0.1-2003-05-23-15:53:01 import
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154 if (rc == AIO_NOTCANCELED) { |
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155 ngx_log_error(NGX_LOG_ALERT, c->log, 0, |
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156 "aio_cancel() returned AIO_NOTCANCELED"); |
b48066122884
nginx-0.0.1-2003-05-23-15:53:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
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157 |
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158 return NGX_ERROR; |
94
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Igor Sysoev <igor@sysoev.ru>
parents:
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159 } |
8220378432a8
nginx-0.0.1-2003-05-22-19:23:47 import
Igor Sysoev <igor@sysoev.ru>
parents:
93
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160 |
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161 return NGX_OK; |
8220378432a8
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Igor Sysoev <igor@sysoev.ru>
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162 } |
8220378432a8
nginx-0.0.1-2003-05-22-19:23:47 import
Igor Sysoev <igor@sysoev.ru>
parents:
93
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163 |
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164 |
499 | 165 static ngx_int_t |
563 | 166 ngx_aio_process_events(ngx_cycle_t *cycle, ngx_msec_t timer, ngx_uint_t flags) |
93
738fe44c70d5
nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
91
diff
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167 { |
563 | 168 return ngx_kqueue_module_ctx.actions.process_events(cycle, timer, flags); |
93
738fe44c70d5
nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
91
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169 } |
738fe44c70d5
nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
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91
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170 |
469 | 171 #endif /* NGX_HAVE_KQUEUE */ |