Mercurial > hg > nginx
annotate src/core/nginx.c @ 2735:a9d7f8ebdbef
add -? and -h options
| author | Igor Sysoev <igor@sysoev.ru> |
|---|---|
| date | Tue, 21 Apr 2009 16:21:58 +0000 |
| parents | edc01cc34b3e |
| children | ae81441e23f4 |
| rev | line source |
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1 |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
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4 */ |
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7 #include <ngx_config.h> |
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8 #include <ngx_core.h> |
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9 #include <nginx.h> |
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12 static ngx_int_t ngx_add_inherited_sockets(ngx_cycle_t *cycle); |
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13 static ngx_int_t ngx_get_options(int argc, char *const *argv); |
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14 static void ngx_process_options(ngx_cycle_t *cycle); |
| 452 | 15 static ngx_int_t ngx_save_argv(ngx_cycle_t *cycle, int argc, char *const *argv); |
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16 static void *ngx_core_module_create_conf(ngx_cycle_t *cycle); |
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17 static char *ngx_core_module_init_conf(ngx_cycle_t *cycle, void *conf); |
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18 static char *ngx_set_user(ngx_conf_t *cf, ngx_command_t *cmd, void *conf); |
| 1069 | 19 static char *ngx_set_env(ngx_conf_t *cf, ngx_command_t *cmd, void *conf); |
| 473 | 20 static char *ngx_set_priority(ngx_conf_t *cf, ngx_command_t *cmd, void *conf); |
| 577 | 21 static char *ngx_set_cpu_affinity(ngx_conf_t *cf, ngx_command_t *cmd, |
| 22 void *conf); | |
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23 |
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24 |
| 461 | 25 static ngx_conf_enum_t ngx_debug_points[] = { |
| 26 { ngx_string("stop"), NGX_DEBUG_POINTS_STOP }, | |
| 27 { ngx_string("abort"), NGX_DEBUG_POINTS_ABORT }, | |
| 28 { ngx_null_string, 0 } | |
| 577 | 29 }; |
| 461 | 30 |
| 31 | |
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32 static ngx_command_t ngx_core_commands[] = { |
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33 |
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34 { ngx_string("daemon"), |
| 563 | 35 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_FLAG, |
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36 ngx_conf_set_flag_slot, |
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37 0, |
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38 offsetof(ngx_core_conf_t, daemon), |
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39 NULL }, |
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40 |
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41 { ngx_string("master_process"), |
| 563 | 42 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_FLAG, |
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43 ngx_conf_set_flag_slot, |
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44 0, |
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45 offsetof(ngx_core_conf_t, master), |
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46 NULL }, |
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47 |
| 563 | 48 { ngx_string("timer_resolution"), |
| 49 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1, | |
| 50 ngx_conf_set_msec_slot, | |
| 51 0, | |
| 52 offsetof(ngx_core_conf_t, timer_resolution), | |
| 53 NULL }, | |
| 54 | |
| 543 | 55 { ngx_string("pid"), |
| 56 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1, | |
| 57 ngx_conf_set_str_slot, | |
| 58 0, | |
| 59 offsetof(ngx_core_conf_t, pid), | |
| 60 NULL }, | |
| 61 | |
| 611 | 62 { ngx_string("lock_file"), |
| 63 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1, | |
| 64 ngx_conf_set_str_slot, | |
| 65 0, | |
| 66 offsetof(ngx_core_conf_t, lock_file), | |
| 67 NULL }, | |
| 68 | |
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69 { ngx_string("worker_processes"), |
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70 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1, |
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71 ngx_conf_set_num_slot, |
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72 0, |
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73 offsetof(ngx_core_conf_t, worker_processes), |
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74 NULL }, |
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75 |
| 461 | 76 { ngx_string("debug_points"), |
| 77 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1, | |
| 78 ngx_conf_set_enum_slot, | |
| 79 0, | |
| 80 offsetof(ngx_core_conf_t, debug_points), | |
| 81 &ngx_debug_points }, | |
| 82 | |
| 543 | 83 { ngx_string("user"), |
| 84 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE12, | |
| 85 ngx_set_user, | |
| 86 0, | |
| 87 0, | |
| 88 NULL }, | |
| 89 | |
| 90 { ngx_string("worker_priority"), | |
| 91 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1, | |
| 92 ngx_set_priority, | |
| 93 0, | |
| 94 0, | |
| 95 NULL }, | |
| 96 | |
| 577 | 97 { ngx_string("worker_cpu_affinity"), |
| 98 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_1MORE, | |
| 99 ngx_set_cpu_affinity, | |
| 100 0, | |
| 101 0, | |
| 102 NULL }, | |
| 103 | |
| 543 | 104 { ngx_string("worker_rlimit_nofile"), |
| 105 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1, | |
| 106 ngx_conf_set_num_slot, | |
| 107 0, | |
| 108 offsetof(ngx_core_conf_t, rlimit_nofile), | |
| 109 NULL }, | |
| 110 | |
| 589 | 111 { ngx_string("worker_rlimit_core"), |
| 112 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1, | |
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113 ngx_conf_set_size_slot, |
| 589 | 114 0, |
| 115 offsetof(ngx_core_conf_t, rlimit_core), | |
| 116 NULL }, | |
| 117 | |
| 543 | 118 { ngx_string("worker_rlimit_sigpending"), |
| 119 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1, | |
| 120 ngx_conf_set_num_slot, | |
| 121 0, | |
| 122 offsetof(ngx_core_conf_t, rlimit_sigpending), | |
| 123 NULL }, | |
| 124 | |
| 125 { ngx_string("working_directory"), | |
| 126 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1, | |
| 127 ngx_conf_set_str_slot, | |
| 128 0, | |
| 129 offsetof(ngx_core_conf_t, working_directory), | |
| 130 NULL }, | |
| 131 | |
| 1069 | 132 { ngx_string("env"), |
| 133 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1, | |
| 134 ngx_set_env, | |
| 135 0, | |
| 136 0, | |
| 137 NULL }, | |
| 138 | |
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139 #if (NGX_THREADS) |
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140 |
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141 { ngx_string("worker_threads"), |
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142 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1, |
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143 ngx_conf_set_num_slot, |
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144 0, |
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145 offsetof(ngx_core_conf_t, worker_threads), |
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146 NULL }, |
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147 |
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148 { ngx_string("thread_stack_size"), |
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149 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1, |
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150 ngx_conf_set_size_slot, |
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151 0, |
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152 offsetof(ngx_core_conf_t, thread_stack_size), |
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153 NULL }, |
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154 |
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155 #endif |
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156 |
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157 ngx_null_command |
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158 }; |
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159 |
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160 |
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161 static ngx_core_module_t ngx_core_module_ctx = { |
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162 ngx_string("core"), |
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163 ngx_core_module_create_conf, |
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164 ngx_core_module_init_conf |
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165 }; |
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166 |
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167 |
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168 ngx_module_t ngx_core_module = { |
| 509 | 169 NGX_MODULE_V1, |
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170 &ngx_core_module_ctx, /* module context */ |
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171 ngx_core_commands, /* module directives */ |
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172 NGX_CORE_MODULE, /* module type */ |
| 541 | 173 NULL, /* init master */ |
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174 NULL, /* init module */ |
| 541 | 175 NULL, /* init process */ |
| 176 NULL, /* init thread */ | |
| 177 NULL, /* exit thread */ | |
| 178 NULL, /* exit process */ | |
| 179 NULL, /* exit master */ | |
| 180 NGX_MODULE_V1_PADDING | |
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181 }; |
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182 |
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183 |
| 2725 | 184 ngx_uint_t ngx_max_module; |
|
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185 |
| 2735 | 186 static ngx_uint_t ngx_show_help; |
| 2725 | 187 static ngx_uint_t ngx_show_version; |
| 188 static ngx_uint_t ngx_show_configure; | |
|
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189 static u_char *ngx_conf_file; |
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190 static u_char *ngx_conf_params; |
| 2725 | 191 #if (NGX_WIN32) |
| 192 static char *ngx_signal; | |
| 193 #endif | |
| 194 | |
| 639 | 195 |
| 1069 | 196 static char **ngx_os_environ; |
| 601 | 197 |
|
107
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198 |
| 503 | 199 int ngx_cdecl |
| 499 | 200 main(int argc, char *const *argv) |
|
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201 { |
| 452 | 202 ngx_int_t i; |
| 203 ngx_log_t *log; | |
| 204 ngx_cycle_t *cycle, init_cycle; | |
| 205 ngx_core_conf_t *ccf; | |
|
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206 |
|
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207 if (ngx_get_options(argc, argv) != NGX_OK) { |
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208 return 1; |
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209 } |
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210 |
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211 if (ngx_show_version) { |
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212 ngx_log_stderr("nginx version: " NGINX_VER); |
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213 |
| 2735 | 214 if (ngx_show_help) { |
| 215 ngx_log_stderr( | |
| 216 "Usage: nginx [-?hvVt]" | |
| 217 #if (NGX_WIN32) | |
| 218 " [-s signal]" | |
| 219 #endif | |
| 220 " [-c filename] [-g directives]" CRLF CRLF | |
| 221 "Options:" CRLF | |
| 222 " -?,-h : this help" CRLF | |
| 223 " -v : show version and exit" CRLF | |
| 224 " -V : show version and configure options then exit" | |
| 225 CRLF | |
| 226 " -t : test configuration and exit" CRLF | |
| 227 #if (NGX_WIN32) | |
| 228 " -s signal : send signal to a master process" CRLF | |
| 229 #endif | |
| 230 " -c filename : set configuration file (default: " | |
| 231 NGX_CONF_PATH ")" CRLF | |
| 232 " -g directives : set global directives out of configuration " | |
| 233 "file" CRLF | |
| 234 ); | |
| 235 } | |
| 236 | |
|
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237 if (ngx_show_configure) { |
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238 #ifdef NGX_COMPILER |
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239 ngx_log_stderr("built by " NGX_COMPILER); |
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240 #endif |
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241 ngx_log_stderr("configure arguments: " NGX_CONFIGURE); |
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242 } |
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243 |
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244 if (!ngx_test_config) { |
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245 return 0; |
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246 } |
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247 } |
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248 |
| 455 | 249 #if (NGX_FREEBSD) |
|
207
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250 ngx_debug_init(); |
|
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251 #endif |
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252 |
|
108
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253 /* TODO */ ngx_max_sockets = -1; |
|
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254 |
|
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255 ngx_time_init(); |
|
221
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256 |
| 455 | 257 #if (NGX_PCRE) |
|
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258 ngx_regex_init(); |
|
212
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259 #endif |
|
182
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260 |
|
443
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261 ngx_pid = ngx_getpid(); |
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262 |
| 501 | 263 log = ngx_log_init(); |
| 264 if (log == NULL) { | |
|
444
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265 return 1; |
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266 } |
|
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267 |
| 541 | 268 /* STUB */ |
|
393
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269 #if (NGX_OPENSSL) |
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270 ngx_ssl_init(log); |
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271 #endif |
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272 |
|
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273 /* |
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274 * init_cycle->log is required for signal handlers and |
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275 * ngx_process_options() |
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276 */ |
|
212
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277 |
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278 ngx_memzero(&init_cycle, sizeof(ngx_cycle_t)); |
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279 init_cycle.log = log; |
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280 ngx_cycle = &init_cycle; |
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281 |
| 501 | 282 init_cycle.pool = ngx_create_pool(1024, log); |
| 283 if (init_cycle.pool == NULL) { | |
|
218
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284 return 1; |
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285 } |
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286 |
| 611 | 287 if (ngx_save_argv(&init_cycle, argc, argv) != NGX_OK) { |
| 452 | 288 return 1; |
| 289 } | |
| 290 | |
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291 ngx_process_options(&init_cycle); |
|
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292 |
| 611 | 293 if (ngx_os_init(log) != NGX_OK) { |
|
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294 return 1; |
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295 } |
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296 |
|
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297 /* |
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298 * ngx_crc32_table_init() requires ngx_cacheline_size set in ngx_os_init() |
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299 */ |
|
930
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300 |
|
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301 if (ngx_crc32_table_init() != NGX_OK) { |
|
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302 return 1; |
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303 } |
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304 |
| 611 | 305 if (ngx_add_inherited_sockets(&init_cycle) != NGX_OK) { |
|
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306 return 1; |
|
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307 } |
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308 |
|
317
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309 ngx_max_module = 0; |
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310 for (i = 0; ngx_modules[i]; i++) { |
|
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311 ngx_modules[i]->index = ngx_max_module++; |
|
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312 } |
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313 |
|
218
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314 cycle = ngx_init_cycle(&init_cycle); |
|
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315 if (cycle == NULL) { |
|
320
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316 if (ngx_test_config) { |
| 2722 | 317 ngx_log_stderr("the configuration file %s test failed", |
| 318 init_cycle.conf_file.data); | |
|
320
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319 } |
|
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320 |
|
107
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321 return 1; |
|
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322 } |
|
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323 |
|
317
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324 if (ngx_test_config) { |
| 2722 | 325 ngx_log_stderr("the configuration file %s was tested successfully", |
| 326 cycle->conf_file.data); | |
|
317
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327 return 0; |
|
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328 } |
|
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329 |
|
449
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330 ngx_os_status(cycle->log); |
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331 |
|
114
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332 ngx_cycle = cycle; |
|
113
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111
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333 |
|
218
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334 ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, ngx_core_module); |
|
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335 |
| 2725 | 336 if (ccf->master && ngx_process == NGX_PROCESS_SINGLE) { |
| 337 ngx_process = NGX_PROCESS_MASTER; | |
| 338 } | |
|
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339 |
| 461 | 340 #if (NGX_WIN32) |
|
220
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341 |
| 2725 | 342 if (ngx_signal) { |
| 343 return ngx_signal_process(cycle, ngx_signal); | |
|
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344 } |
|
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345 |
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346 #else |
|
115
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347 |
| 611 | 348 if (ngx_init_signals(cycle->log) != NGX_OK) { |
| 539 | 349 return 1; |
| 350 } | |
| 351 | |
|
311
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352 if (!ngx_inherited && ccf->daemon) { |
| 611 | 353 if (ngx_daemon(cycle->log) != NGX_OK) { |
|
115
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354 return 1; |
|
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355 } |
|
366
e411b1482ee3
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337
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|
356 |
|
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357 ngx_daemonized = 1; |
|
115
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|
358 } |
|
be27f922b9a2
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359 |
| 2725 | 360 #endif |
| 361 | |
| 611 | 362 if (ngx_create_pidfile(&ccf->pid, cycle->log) != NGX_OK) { |
|
210
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363 return 1; |
|
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|
364 } |
|
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365 |
| 2725 | 366 if (ngx_process == NGX_PROCESS_SINGLE) { |
| 367 ngx_single_process_cycle(cycle); | |
|
318
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|
368 |
|
56496082668b
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369 } else { |
| 2725 | 370 ngx_master_process_cycle(cycle); |
|
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371 } |
|
220
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372 |
|
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373 return 0; |
|
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374 } |
|
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375 |
|
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376 |
| 499 | 377 static ngx_int_t |
| 378 ngx_add_inherited_sockets(ngx_cycle_t *cycle) | |
|
219
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379 { |
| 501 | 380 u_char *p, *v, *inherited; |
| 381 ngx_int_t s; | |
| 382 ngx_listening_t *ls; | |
|
219
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383 |
|
290
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384 inherited = (u_char *) getenv(NGINX_VAR); |
|
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385 |
|
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|
386 if (inherited == NULL) { |
|
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387 return NGX_OK; |
|
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388 } |
|
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389 |
| 461 | 390 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, |
|
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391 "using inherited sockets from \"%s\"", inherited); |
|
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|
392 |
| 461 | 393 if (ngx_array_init(&cycle->listening, cycle->pool, 10, |
| 745 | 394 sizeof(ngx_listening_t)) |
|
2536
a6d6d762c554
small optimization: " == NGX_ERROR" > " != NGX_OK"
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|
395 != NGX_OK) |
| 461 | 396 { |
| 397 return NGX_ERROR; | |
| 398 } | |
|
282
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|
399 |
|
30310107dbc9
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parents:
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|
400 for (p = inherited, v = p; *p; p++) { |
|
30310107dbc9
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279
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|
401 if (*p == ':' || *p == ';') { |
|
30310107dbc9
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|
402 s = ngx_atoi(v, p - v); |
|
30310107dbc9
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279
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|
403 if (s == NGX_ERROR) { |
|
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|
404 ngx_log_error(NGX_LOG_EMERG, cycle->log, 0, |
| 537 | 405 "invalid socket number \"%s\" in " NGINX_VAR |
| 406 " environment variable, ignoring the rest" | |
| 407 " of the variable", v); | |
|
282
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408 break; |
|
30310107dbc9
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|
409 } |
|
30310107dbc9
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279
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|
410 |
|
290
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|
411 v = p + 1; |
|
282
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|
412 |
| 501 | 413 ls = ngx_array_push(&cycle->listening); |
| 414 if (ls == NULL) { | |
|
282
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415 return NGX_ERROR; |
|
290
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|
416 } |
|
219
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|
417 |
| 523 | 418 ngx_memzero(ls, sizeof(ngx_listening_t)); |
| 419 | |
| 501 | 420 ls->fd = (ngx_socket_t) s; |
|
219
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parents:
218
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|
421 } |
|
f57597ec5249
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parents:
218
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|
422 } |
|
f57597ec5249
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parents:
218
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|
423 |
|
282
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|
424 ngx_inherited = 1; |
|
30310107dbc9
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diff
changeset
|
425 |
|
30310107dbc9
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|
426 return ngx_set_inherited_sockets(cycle); |
|
219
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parents:
218
diff
changeset
|
427 } |
|
f57597ec5249
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parents:
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|
428 |
|
f57597ec5249
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218
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changeset
|
429 |
| 1069 | 430 char ** |
| 431 ngx_set_environment(ngx_cycle_t *cycle, ngx_uint_t *last) | |
| 432 { | |
| 433 char **p, **env; | |
| 434 ngx_str_t *var; | |
| 435 ngx_uint_t i, n; | |
| 436 ngx_core_conf_t *ccf; | |
| 437 | |
| 438 ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, ngx_core_module); | |
| 439 | |
| 1080 | 440 if (last == NULL && ccf->environment) { |
| 441 return ccf->environment; | |
| 1069 | 442 } |
| 443 | |
| 444 var = ccf->env.elts; | |
| 445 | |
| 446 for (i = 0; i < ccf->env.nelts; i++) { | |
| 447 if (ngx_strcmp(var[i].data, "TZ") == 0 | |
| 448 || ngx_strncmp(var[i].data, "TZ=", 3) == 0) | |
| 449 { | |
| 450 goto tz_found; | |
| 451 } | |
| 452 } | |
| 453 | |
| 454 var = ngx_array_push(&ccf->env); | |
| 1318 | 455 if (var == NULL) { |
| 456 return NULL; | |
| 457 } | |
| 1069 | 458 |
| 459 var->len = 2; | |
| 460 var->data = (u_char *) "TZ"; | |
| 461 | |
| 462 var = ccf->env.elts; | |
| 463 | |
| 464 tz_found: | |
| 465 | |
| 1080 | 466 n = 0; |
| 467 | |
| 1069 | 468 for (i = 0; i < ccf->env.nelts; i++) { |
| 469 | |
| 470 if (var[i].data[var[i].len] == '=') { | |
| 471 n++; | |
| 472 continue; | |
| 473 } | |
| 474 | |
| 475 for (p = ngx_os_environ; *p; p++) { | |
| 476 | |
| 477 if (ngx_strncmp(*p, var[i].data, var[i].len) == 0 | |
| 478 && (*p)[var[i].len] == '=') | |
| 479 { | |
| 480 n++; | |
| 481 break; | |
| 482 } | |
| 483 } | |
| 484 } | |
| 485 | |
| 486 if (last) { | |
| 1080 | 487 env = ngx_alloc((*last + n + 1) * sizeof(char *), cycle->log); |
| 1069 | 488 *last = n; |
| 489 | |
| 490 } else { | |
| 491 env = ngx_palloc(cycle->pool, (n + 1) * sizeof(char *)); | |
| 492 } | |
| 493 | |
| 494 if (env == NULL) { | |
| 495 return NULL; | |
| 496 } | |
| 497 | |
| 498 n = 0; | |
| 499 | |
| 500 for (i = 0; i < ccf->env.nelts; i++) { | |
| 501 | |
| 502 if (var[i].data[var[i].len] == '=') { | |
| 503 env[n++] = (char *) var[i].data; | |
| 504 continue; | |
| 505 } | |
| 506 | |
| 507 for (p = ngx_os_environ; *p; p++) { | |
| 508 | |
| 509 if (ngx_strncmp(*p, var[i].data, var[i].len) == 0 | |
| 510 && (*p)[var[i].len] == '=') | |
| 511 { | |
| 512 env[n++] = *p; | |
| 513 break; | |
| 514 } | |
| 515 } | |
| 516 } | |
| 517 | |
| 518 env[n] = NULL; | |
| 519 | |
| 520 if (last == NULL) { | |
| 521 ccf->environment = env; | |
| 522 environ = env; | |
| 523 } | |
| 524 | |
| 525 return env; | |
| 526 } | |
| 527 | |
| 528 | |
| 543 | 529 ngx_pid_t |
| 530 ngx_exec_new_binary(ngx_cycle_t *cycle, char *const *argv) | |
|
218
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parents:
217
diff
changeset
|
531 { |
| 1069 | 532 char **env, *var; |
| 533 u_char *p; | |
| 534 ngx_uint_t i, n; | |
| 535 ngx_pid_t pid; | |
| 536 ngx_exec_ctx_t ctx; | |
| 537 ngx_core_conf_t *ccf; | |
| 538 ngx_listening_t *ls; | |
|
218
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parents:
217
diff
changeset
|
539 |
|
05592fd7a436
nginx-0.0.1-2004-01-05-23:55:48 import
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parents:
217
diff
changeset
|
540 ctx.path = argv[0]; |
|
05592fd7a436
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parents:
217
diff
changeset
|
541 ctx.name = "new binary process"; |
|
05592fd7a436
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parents:
217
diff
changeset
|
542 ctx.argv = argv; |
|
05592fd7a436
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parents:
217
diff
changeset
|
543 |
| 1069 | 544 n = 2; |
| 545 env = ngx_set_environment(cycle, &n); | |
| 546 if (env == NULL) { | |
| 547 return NGX_INVALID_PID; | |
| 548 } | |
| 549 | |
|
282
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parents:
279
diff
changeset
|
550 var = ngx_alloc(sizeof(NGINX_VAR) |
| 501 | 551 + cycle->listening.nelts * (NGX_INT32_LEN + 1) + 2, |
|
218
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parents:
217
diff
changeset
|
552 cycle->log); |
|
05592fd7a436
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parents:
217
diff
changeset
|
553 |
| 461 | 554 p = ngx_cpymem(var, NGINX_VAR "=", sizeof(NGINX_VAR)); |
|
218
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parents:
217
diff
changeset
|
555 |
|
05592fd7a436
nginx-0.0.1-2004-01-05-23:55:48 import
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parents:
217
diff
changeset
|
556 ls = cycle->listening.elts; |
|
05592fd7a436
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parents:
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diff
changeset
|
557 for (i = 0; i < cycle->listening.nelts; i++) { |
| 461 | 558 p = ngx_sprintf(p, "%ud;", ls[i].fd); |
|
114
ac69ab96328d
nginx-0.0.1-2003-07-07-10:11:50 import
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parents:
113
diff
changeset
|
559 } |
|
ac69ab96328d
nginx-0.0.1-2003-07-07-10:11:50 import
Igor Sysoev <igor@sysoev.ru>
parents:
113
diff
changeset
|
560 |
| 461 | 561 *p = '\0'; |
| 562 | |
| 1069 | 563 env[n++] = var; |
| 452 | 564 |
| 565 #if (NGX_SETPROCTITLE_USES_ENV) | |
| 566 | |
| 461 | 567 /* allocate the spare 300 bytes for the new binary process title */ |
| 452 | 568 |
| 1069 | 569 env[n++] = "SPARE=XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX" |
| 570 "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX" | |
| 571 "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX" | |
| 572 "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX" | |
| 573 "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"; | |
| 452 | 574 |
| 575 #endif | |
| 576 | |
| 1069 | 577 env[n] = NULL; |
| 578 | |
| 579 #if (NGX_DEBUG) | |
| 580 { | |
| 581 char **e; | |
| 582 for (e = env; *e; e++) { | |
| 583 ngx_log_debug1(NGX_LOG_DEBUG_CORE, cycle->log, 0, "env: %s", *e); | |
| 584 } | |
| 585 } | |
| 586 #endif | |
| 587 | |
| 588 ctx.envp = (char *const *) env; | |
|
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|
589 |
| 543 | 590 ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, ngx_core_module); |
| 591 | |
| 1069 | 592 if (ngx_rename_file(ccf->pid.data, ccf->oldpid.data) != NGX_OK) { |
| 543 | 593 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, |
| 594 ngx_rename_file_n " %s to %s failed " | |
| 595 "before executing new binary process \"%s\"", | |
| 596 ccf->pid.data, ccf->oldpid.data, argv[0]); | |
| 597 | |
| 1069 | 598 ngx_free(env); |
| 543 | 599 ngx_free(var); |
| 600 | |
| 601 return NGX_INVALID_PID; | |
| 602 } | |
| 603 | |
|
279
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|
604 pid = ngx_execute(cycle, &ctx); |
|
114
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|
605 |
| 543 | 606 if (pid == NGX_INVALID_PID) { |
| 1069 | 607 if (ngx_rename_file(ccf->oldpid.data, ccf->pid.data) != NGX_OK) { |
| 543 | 608 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, |
| 1069 | 609 ngx_rename_file_n " %s back to %s failed after " |
| 610 "the try to execute the new binary process \"%s\"", | |
| 543 | 611 ccf->oldpid.data, ccf->pid.data, argv[0]); |
| 612 } | |
| 613 } | |
| 614 | |
| 1069 | 615 ngx_free(env); |
|
218
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|
616 ngx_free(var); |
|
226
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|
617 |
|
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|
618 return pid; |
|
218
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|
619 } |
|
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|
620 |
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|
621 |
| 543 | 622 static ngx_int_t |
|
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|
623 ngx_get_options(int argc, char *const *argv) |
|
255
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624 { |
|
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|
625 u_char *p; |
|
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|
626 ngx_int_t i; |
|
255
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|
627 |
| 452 | 628 for (i = 1; i < argc; i++) { |
|
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diff
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|
629 |
|
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|
630 p = (u_char *) argv[i]; |
|
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|
631 |
|
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|
632 if (*p++ != '-') { |
|
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|
633 ngx_log_stderr("invalid option: \"%s\"", argv[i]); |
|
255
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634 return NGX_ERROR; |
|
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|
635 } |
|
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|
636 |
|
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|
637 while (*p) { |
|
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|
638 |
|
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|
639 switch (*p++) { |
|
255
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|
640 |
| 2735 | 641 case '?': |
| 642 case 'h': | |
| 643 ngx_show_version = 1; | |
| 644 ngx_show_help = 1; | |
| 645 break; | |
| 646 | |
|
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|
647 case 'v': |
|
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648 ngx_show_version = 1; |
|
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|
649 break; |
| 639 | 650 |
|
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|
651 case 'V': |
|
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|
652 ngx_show_version = 1; |
|
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653 ngx_show_configure = 1; |
|
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|
654 break; |
| 945 | 655 |
|
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|
656 case 't': |
|
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|
657 ngx_test_config = 1; |
|
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|
658 break; |
|
317
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316
diff
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|
659 |
|
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diff
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|
660 case 'c': |
|
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diff
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|
661 if (*p) { |
|
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diff
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|
662 ngx_conf_file = p; |
|
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diff
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|
663 goto next; |
|
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2730
diff
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|
664 } |
|
316
a0beefedaf94
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314
diff
changeset
|
665 |
|
2733
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diff
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|
666 if (argv[++i]) { |
|
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diff
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|
667 ngx_conf_file = (u_char *) argv[i]; |
|
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diff
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|
668 goto next; |
|
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2730
diff
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|
669 } |
|
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diff
changeset
|
670 |
|
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diff
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|
671 ngx_log_stderr("the option \"-c\" requires file name"); |
|
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|
672 return NGX_ERROR; |
|
255
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diff
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|
673 |
|
2733
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diff
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|
674 case 'g': |
|
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diff
changeset
|
675 if (*p) { |
|
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diff
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|
676 ngx_conf_params = p; |
|
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diff
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|
677 goto next; |
|
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diff
changeset
|
678 } |
| 2073 | 679 |
|
2733
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diff
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|
680 if (argv[++i]) { |
|
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diff
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|
681 ngx_conf_params = (u_char *) argv[i]; |
|
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2730
diff
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|
682 goto next; |
|
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parents:
2730
diff
changeset
|
683 } |
|
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diff
changeset
|
684 |
|
edc01cc34b3e
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diff
changeset
|
685 ngx_log_stderr("the option \"-g\" requires parameter"); |
|
edc01cc34b3e
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diff
changeset
|
686 return NGX_ERROR; |
| 2073 | 687 |
| 2725 | 688 #if (NGX_WIN32) |
|
2733
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diff
changeset
|
689 case 's': |
|
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diff
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|
690 if (*p) { |
|
edc01cc34b3e
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diff
changeset
|
691 ngx_signal = (char *) p; |
|
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diff
changeset
|
692 |
|
edc01cc34b3e
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diff
changeset
|
693 } else if (argv[++i]) { |
|
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diff
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|
694 ngx_signal = argv[i]; |
|
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diff
changeset
|
695 |
|
edc01cc34b3e
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diff
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|
696 } else { |
|
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diff
changeset
|
697 ngx_log_stderr("the option \"-s\" requires parameter"); |
|
edc01cc34b3e
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diff
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|
698 return NGX_ERROR; |
|
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diff
changeset
|
699 } |
|
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diff
changeset
|
700 |
|
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diff
changeset
|
701 if (ngx_strcmp(ngx_signal, "stop") == 0 |
|
edc01cc34b3e
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diff
changeset
|
702 || ngx_strcmp(ngx_signal, "quit") == 0 |
|
edc01cc34b3e
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diff
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|
703 || ngx_strcmp(ngx_signal, "reopen") == 0 |
|
edc01cc34b3e
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diff
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|
704 || ngx_strcmp(ngx_signal, "reload") == 0) |
|
edc01cc34b3e
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diff
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|
705 { |
|
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diff
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|
706 ngx_process = NGX_PROCESS_SIGNALLER; |
|
edc01cc34b3e
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diff
changeset
|
707 goto next; |
|
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2730
diff
changeset
|
708 } |
|
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diff
changeset
|
709 |
|
edc01cc34b3e
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2730
diff
changeset
|
710 ngx_log_stderr("invalid option: \"-s %s\"", ngx_signal); |
|
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diff
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|
711 return NGX_ERROR; |
|
edc01cc34b3e
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diff
changeset
|
712 #endif |
|
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diff
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|
713 |
|
edc01cc34b3e
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diff
changeset
|
714 default: |
|
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diff
changeset
|
715 ngx_log_stderr("invalid option: \"%c\"", *(p - 1)); |
| 2725 | 716 return NGX_ERROR; |
| 717 } | |
|
2733
edc01cc34b3e
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diff
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|
718 } |
| 2725 | 719 |
|
2733
edc01cc34b3e
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diff
changeset
|
720 next: |
| 2725 | 721 |
|
2733
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diff
changeset
|
722 continue; |
|
255
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|
723 } |
|
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|
724 |
|
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|
725 return NGX_OK; |
|
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|
726 } |
|
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|
727 |
|
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|
728 |
| 499 | 729 static ngx_int_t |
| 730 ngx_save_argv(ngx_cycle_t *cycle, int argc, char *const *argv) | |
| 452 | 731 { |
| 501 | 732 #if (NGX_FREEBSD) |
| 733 | |
| 734 ngx_os_argv = (char **) argv; | |
| 735 ngx_argc = argc; | |
| 736 ngx_argv = (char **) argv; | |
| 737 | |
| 738 #else | |
| 452 | 739 size_t len; |
| 740 ngx_int_t i; | |
| 741 | |
| 742 ngx_os_argv = (char **) argv; | |
| 743 ngx_argc = argc; | |
| 744 | |
| 501 | 745 ngx_argv = ngx_alloc((argc + 1) * sizeof(char *), cycle->log); |
| 746 if (ngx_argv == NULL) { | |
| 452 | 747 return NGX_ERROR; |
| 748 } | |
| 749 | |
| 750 for (i = 0; i < argc; i++) { | |
| 751 len = ngx_strlen(argv[i]) + 1; | |
| 752 | |
| 501 | 753 ngx_argv[i] = ngx_alloc(len, cycle->log); |
| 754 if (ngx_argv[i] == NULL) { | |
| 452 | 755 return NGX_ERROR; |
| 756 } | |
| 757 | |
| 517 | 758 (void) ngx_cpystrn((u_char *) ngx_argv[i], (u_char *) argv[i], len); |
| 452 | 759 } |
| 760 | |
| 761 ngx_argv[i] = NULL; | |
| 762 | |
| 763 #endif | |
| 764 | |
| 1069 | 765 ngx_os_environ = environ; |
| 766 | |
| 452 | 767 return NGX_OK; |
| 768 } | |
| 769 | |
| 770 | |
|
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|
771 static void |
|
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772 ngx_process_options(ngx_cycle_t *cycle) |
|
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773 { |
|
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774 if (ngx_conf_file) { |
|
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775 cycle->conf_file.len = ngx_strlen(ngx_conf_file); |
|
2733
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776 cycle->conf_file.data = ngx_conf_file; |
|
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|
777 |
|
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778 } else { |
|
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779 cycle->conf_file.len = sizeof(NGX_CONF_PATH) - 1; |
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780 cycle->conf_file.data = (u_char *) NGX_CONF_PATH; |
|
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781 } |
|
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782 |
|
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783 if (ngx_conf_params) { |
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784 cycle->conf_param.len = ngx_strlen(ngx_conf_params); |
|
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785 cycle->conf_param.data = ngx_conf_params; |
|
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786 } |
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|
787 |
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788 if (ngx_test_config) { |
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|
789 cycle->log->log_level = NGX_LOG_INFO; |
|
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|
790 } |
|
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|
791 } |
|
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|
792 |
|
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|
793 |
| 499 | 794 static void * |
| 795 ngx_core_module_create_conf(ngx_cycle_t *cycle) | |
|
218
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796 { |
|
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|
797 ngx_core_conf_t *ccf; |
|
114
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798 |
| 501 | 799 ccf = ngx_pcalloc(cycle->pool, sizeof(ngx_core_conf_t)); |
| 800 if (ccf == NULL) { | |
|
311
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801 return NULL; |
|
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802 } |
| 479 | 803 |
| 804 /* | |
| 805 * set by pcalloc() | |
|
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806 * |
| 479 | 807 * ccf->pid = NULL; |
| 543 | 808 * ccf->oldpid = NULL; |
| 479 | 809 * ccf->priority = 0; |
| 577 | 810 * ccf->cpu_affinity_n = 0; |
| 811 * ccf->cpu_affinity = NULL; | |
|
218
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|
812 */ |
| 479 | 813 |
|
234
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814 ccf->daemon = NGX_CONF_UNSET; |
|
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815 ccf->master = NGX_CONF_UNSET; |
| 563 | 816 ccf->timer_resolution = NGX_CONF_UNSET_MSEC; |
| 817 | |
|
300
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|
818 ccf->worker_processes = NGX_CONF_UNSET; |
| 461 | 819 ccf->debug_points = NGX_CONF_UNSET; |
| 543 | 820 |
| 821 ccf->rlimit_nofile = NGX_CONF_UNSET; | |
|
949
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diff
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|
822 ccf->rlimit_core = NGX_CONF_UNSET_SIZE; |
| 543 | 823 ccf->rlimit_sigpending = NGX_CONF_UNSET; |
| 824 | |
| 517 | 825 ccf->user = (ngx_uid_t) NGX_CONF_UNSET_UINT; |
| 826 ccf->group = (ngx_gid_t) NGX_CONF_UNSET_UINT; | |
| 543 | 827 |
|
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|
828 #if (NGX_THREADS) |
|
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829 ccf->worker_threads = NGX_CONF_UNSET; |
| 461 | 830 ccf->thread_stack_size = NGX_CONF_UNSET_SIZE; |
|
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831 #endif |
|
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|
832 |
| 1069 | 833 if (ngx_array_init(&ccf->env, cycle->pool, 1, sizeof(ngx_str_t)) |
| 834 != NGX_OK) | |
| 835 { | |
| 836 return NULL; | |
| 837 } | |
| 838 | |
|
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|
839 return ccf; |
|
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840 } |
|
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|
841 |
|
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|
842 |
| 499 | 843 static char * |
| 844 ngx_core_module_init_conf(ngx_cycle_t *cycle, void *conf) | |
|
311
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845 { |
|
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846 ngx_core_conf_t *ccf = conf; |
|
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|
847 |
|
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|
848 ngx_conf_init_value(ccf->daemon, 1); |
|
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|
849 ngx_conf_init_value(ccf->master, 1); |
| 563 | 850 ngx_conf_init_msec_value(ccf->timer_resolution, 0); |
| 851 | |
|
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|
852 ngx_conf_init_value(ccf->worker_processes, 1); |
| 461 | 853 ngx_conf_init_value(ccf->debug_points, 0); |
|
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|
854 |
| 577 | 855 #if (NGX_HAVE_SCHED_SETAFFINITY) |
| 856 | |
| 857 if (ccf->cpu_affinity_n | |
| 858 && ccf->cpu_affinity_n != 1 | |
| 859 && ccf->cpu_affinity_n != (ngx_uint_t) ccf->worker_processes) | |
| 860 { | |
| 861 ngx_log_error(NGX_LOG_WARN, cycle->log, 0, | |
| 862 "number of the \"worker_processes\" is not equal to " | |
| 863 "the number of the \"worker_cpu_affinity\" mask, " | |
| 864 "using last mask for remaining worker processes"); | |
| 865 } | |
| 866 | |
| 867 #endif | |
| 868 | |
|
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|
869 #if (NGX_THREADS) |
| 577 | 870 |
|
376
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|
871 ngx_conf_init_value(ccf->worker_threads, 0); |
|
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|
872 ngx_threads_n = ccf->worker_threads; |
|
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|
873 ngx_conf_init_size_value(ccf->thread_stack_size, 2 * 1024 * 1024); |
| 577 | 874 |
|
376
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|
875 #endif |
|
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|
876 |
| 2725 | 877 |
| 878 if (ccf->pid.len == 0) { | |
| 879 ccf->pid.len = sizeof(NGX_PID_PATH) - 1; | |
| 880 ccf->pid.data = (u_char *) NGX_PID_PATH; | |
| 881 } | |
| 882 | |
| 883 if (ngx_conf_full_name(cycle, &ccf->pid, 0) != NGX_OK) { | |
| 884 return NGX_CONF_ERROR; | |
| 885 } | |
| 886 | |
| 887 ccf->oldpid.len = ccf->pid.len + sizeof(NGX_OLDPID_EXT); | |
| 888 | |
| 889 ccf->oldpid.data = ngx_pnalloc(cycle->pool, ccf->oldpid.len); | |
| 890 if (ccf->oldpid.data == NULL) { | |
| 891 return NGX_CONF_ERROR; | |
| 892 } | |
| 893 | |
| 894 ngx_memcpy(ngx_cpymem(ccf->oldpid.data, ccf->pid.data, ccf->pid.len), | |
| 895 NGX_OLDPID_EXT, sizeof(NGX_OLDPID_EXT)); | |
| 896 | |
| 897 | |
| 461 | 898 #if !(NGX_WIN32) |
|
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899 |
| 517 | 900 if (ccf->user == (uid_t) NGX_CONF_UNSET_UINT && geteuid() == 0) { |
|
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|
901 struct group *grp; |
|
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|
902 struct passwd *pwd; |
|
440
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|
903 |
| 1288 | 904 ngx_set_errno(0); |
| 455 | 905 pwd = getpwnam(NGX_USER); |
|
440
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|
906 if (pwd == NULL) { |
|
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|
907 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno, |
| 455 | 908 "getpwnam(\"" NGX_USER "\") failed"); |
|
440
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|
909 return NGX_CONF_ERROR; |
|
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|
910 } |
|
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|
911 |
| 473 | 912 ccf->username = NGX_USER; |
|
440
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|
913 ccf->user = pwd->pw_uid; |
|
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|
914 |
| 1288 | 915 ngx_set_errno(0); |
| 455 | 916 grp = getgrnam(NGX_GROUP); |
|
440
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|
917 if (grp == NULL) { |
|
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|
918 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno, |
| 455 | 919 "getgrnam(\"" NGX_GROUP "\") failed"); |
|
440
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|
920 return NGX_CONF_ERROR; |
|
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|
921 } |
|
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|
922 |
|
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|
923 ccf->group = grp->gr_gid; |
|
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|
924 } |
|
218
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|
925 |
|
860
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changeset
|
926 |
| 611 | 927 if (ccf->lock_file.len == 0) { |
| 928 ccf->lock_file.len = sizeof(NGX_LOCK_PATH) - 1; | |
| 929 ccf->lock_file.data = (u_char *) NGX_LOCK_PATH; | |
| 930 } | |
| 931 | |
|
2536
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|
932 if (ngx_conf_full_name(cycle, &ccf->lock_file, 0) != NGX_OK) { |
| 611 | 933 return NGX_CONF_ERROR; |
| 934 } | |
| 935 | |
|
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|
936 { |
|
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|
937 ngx_str_t lock_file; |
|
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|
938 |
|
860
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796
diff
changeset
|
939 lock_file = cycle->old_cycle->lock_file; |
|
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parents:
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|
940 |
|
201d017ea470
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|
941 if (lock_file.len) { |
|
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parents:
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diff
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|
942 lock_file.len--; |
|
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parents:
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diff
changeset
|
943 |
|
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|
944 if (ccf->lock_file.len != lock_file.len |
|
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parents:
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diff
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|
945 || ngx_strncmp(ccf->lock_file.data, lock_file.data, lock_file.len) |
|
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parents:
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|
946 != 0) |
|
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parents:
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diff
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|
947 { |
|
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Igor Sysoev <igor@sysoev.ru>
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changeset
|
948 ngx_log_error(NGX_LOG_EMERG, cycle->log, 0, |
|
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diff
changeset
|
949 "\"lock_file\" could not be changed, ignored"); |
|
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parents:
796
diff
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|
950 } |
|
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parents:
796
diff
changeset
|
951 |
|
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parents:
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diff
changeset
|
952 cycle->lock_file.len = lock_file.len + 1; |
|
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parents:
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diff
changeset
|
953 lock_file.len += sizeof(".accept"); |
|
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parents:
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|
954 |
|
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parents:
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|
955 cycle->lock_file.data = ngx_pstrdup(cycle->pool, &lock_file); |
|
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|
956 if (cycle->lock_file.data == NULL) { |
|
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|
957 return NGX_CONF_ERROR; |
|
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parents:
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diff
changeset
|
958 } |
|
201d017ea470
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parents:
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diff
changeset
|
959 |
|
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parents:
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diff
changeset
|
960 } else { |
|
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parents:
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diff
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|
961 cycle->lock_file.len = ccf->lock_file.len + 1; |
| 2049 | 962 cycle->lock_file.data = ngx_pnalloc(cycle->pool, |
|
860
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|
963 ccf->lock_file.len + sizeof(".accept")); |
|
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diff
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|
964 if (cycle->lock_file.data == NULL) { |
|
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|
965 return NGX_CONF_ERROR; |
|
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
966 } |
|
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
967 |
|
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
968 ngx_memcpy(ngx_cpymem(cycle->lock_file.data, ccf->lock_file.data, |
|
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changeset
|
969 ccf->lock_file.len), |
|
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
970 ".accept", sizeof(".accept")); |
|
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parents:
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diff
changeset
|
971 } |
|
1704
e584e946e198
move condition declarations inside blocks where they are used
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1694
diff
changeset
|
972 } |
|
860
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|
973 |
|
311
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974 #endif |
|
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975 |
|
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976 return NGX_CONF_OK; |
|
114
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parents:
113
diff
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|
977 } |
|
234
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978 |
|
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979 |
| 499 | 980 static char * |
| 981 ngx_set_user(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
|
234
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982 { |
| 461 | 983 #if (NGX_WIN32) |
|
278
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984 |
|
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|
985 ngx_conf_log_error(NGX_LOG_WARN, cf, 0, |
|
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986 "\"user\" is not supported, ignored"); |
|
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987 |
|
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988 return NGX_CONF_OK; |
|
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989 |
|
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990 #else |
|
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991 |
|
311
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|
992 ngx_core_conf_t *ccf = conf; |
|
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993 |
| 455 | 994 char *group; |
|
234
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|
995 struct passwd *pwd; |
|
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996 struct group *grp; |
|
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997 ngx_str_t *value; |
|
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998 |
| 517 | 999 if (ccf->user != (uid_t) NGX_CONF_UNSET_UINT) { |
|
234
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1000 return "is duplicate"; |
|
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1001 } |
|
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1002 |
| 455 | 1003 if (geteuid() != 0) { |
| 1004 ngx_conf_log_error(NGX_LOG_WARN, cf, 0, | |
| 1005 "the \"user\" directive makes sense only " | |
| 1006 "if the master process runs " | |
| 1007 "with super-user privileges, ignored"); | |
| 1008 return NGX_CONF_OK; | |
| 1009 } | |
| 1010 | |
|
234
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1011 value = (ngx_str_t *) cf->args->elts; |
|
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1012 |
| 473 | 1013 ccf->username = (char *) value[1].data; |
| 1014 | |
| 1288 | 1015 ngx_set_errno(0); |
|
290
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|
1016 pwd = getpwnam((const char *) value[1].data); |
|
234
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1017 if (pwd == NULL) { |
|
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1018 ngx_conf_log_error(NGX_LOG_EMERG, cf, ngx_errno, |
| 452 | 1019 "getpwnam(\"%s\") failed", value[1].data); |
|
234
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1020 return NGX_CONF_ERROR; |
|
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1021 } |
|
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1022 |
|
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1023 ccf->user = pwd->pw_uid; |
|
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1024 |
| 455 | 1025 group = (char *) ((cf->args->nelts == 2) ? value[1].data : value[2].data); |
|
234
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|
1026 |
| 1288 | 1027 ngx_set_errno(0); |
| 455 | 1028 grp = getgrnam(group); |
|
234
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|
1029 if (grp == NULL) { |
|
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|
1030 ngx_conf_log_error(NGX_LOG_EMERG, cf, ngx_errno, |
| 455 | 1031 "getgrnam(\"%s\") failed", group); |
|
234
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|
1032 return NGX_CONF_ERROR; |
|
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1033 } |
|
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|
1034 |
|
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|
1035 ccf->group = grp->gr_gid; |
|
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1036 |
|
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1037 return NGX_CONF_OK; |
|
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1038 |
|
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|
1039 #endif |
|
234
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|
1040 } |
| 473 | 1041 |
| 1042 | |
| 499 | 1043 static char * |
| 1069 | 1044 ngx_set_env(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
| 1045 { | |
| 1046 ngx_core_conf_t *ccf = conf; | |
| 1047 | |
| 1048 ngx_str_t *value, *var; | |
| 1049 ngx_uint_t i; | |
| 1050 | |
| 1051 var = ngx_array_push(&ccf->env); | |
| 1052 if (var == NULL) { | |
| 1053 return NGX_CONF_ERROR; | |
| 1054 } | |
| 1055 | |
| 1056 value = cf->args->elts; | |
| 1057 *var = value[1]; | |
| 1058 | |
| 1059 for (i = 0; i < value[1].len; i++) { | |
| 1060 | |
| 1061 if (value[1].data[i] == '=') { | |
| 1062 | |
| 1063 var->len = i; | |
| 1064 | |
| 1065 return NGX_CONF_OK; | |
| 1066 } | |
| 1067 } | |
| 1068 | |
| 1069 return NGX_CONF_OK; | |
| 1070 } | |
| 1071 | |
| 1072 | |
| 1073 static char * | |
| 499 | 1074 ngx_set_priority(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
| 473 | 1075 { |
| 1076 ngx_core_conf_t *ccf = conf; | |
| 1077 | |
| 1078 ngx_str_t *value; | |
| 1079 ngx_uint_t n, minus; | |
| 1080 | |
| 1081 if (ccf->priority != 0) { | |
| 1082 return "is duplicate"; | |
| 1083 } | |
| 1084 | |
| 1085 value = cf->args->elts; | |
| 1086 | |
| 1087 if (value[1].data[0] == '-') { | |
| 1088 n = 1; | |
| 1089 minus = 1; | |
| 1090 | |
| 1091 } else if (value[1].data[0] == '+') { | |
| 1092 n = 1; | |
| 1093 minus = 0; | |
| 1094 | |
| 1095 } else { | |
| 1096 n = 0; | |
| 1097 minus = 0; | |
| 1098 } | |
| 1099 | |
| 1100 ccf->priority = ngx_atoi(&value[1].data[n], value[1].len - n); | |
| 1101 if (ccf->priority == NGX_ERROR) { | |
| 1102 return "invalid number"; | |
| 1103 } | |
| 1104 | |
| 1105 if (minus) { | |
| 1106 ccf->priority = -ccf->priority; | |
| 1107 } | |
| 1108 | |
| 1109 return NGX_CONF_OK; | |
| 1110 } | |
| 577 | 1111 |
| 1112 | |
| 1113 static char * | |
| 1114 ngx_set_cpu_affinity(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
| 1115 { | |
| 1116 #if (NGX_HAVE_SCHED_SETAFFINITY) | |
| 1117 ngx_core_conf_t *ccf = conf; | |
| 1118 | |
| 1119 u_char ch; | |
| 1120 u_long *mask; | |
| 1121 ngx_str_t *value; | |
| 1122 ngx_uint_t i, n; | |
| 1123 | |
| 1124 if (ccf->cpu_affinity) { | |
| 1125 return "is duplicate"; | |
| 1126 } | |
| 1127 | |
| 1128 mask = ngx_palloc(cf->pool, (cf->args->nelts - 1) * sizeof(long)); | |
| 1129 if (mask == NULL) { | |
| 1130 return NGX_CONF_ERROR; | |
| 1131 } | |
| 1132 | |
| 1133 ccf->cpu_affinity_n = cf->args->nelts - 1; | |
| 1134 ccf->cpu_affinity = mask; | |
| 1135 | |
| 1136 value = cf->args->elts; | |
| 1137 | |
| 1138 for (n = 1; n < cf->args->nelts; n++) { | |
| 1139 | |
| 1140 if (value[n].len > 32) { | |
| 1141 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 1142 "\"worker_cpu_affinity\" supports up to 32 CPU only"); | |
| 1143 return NGX_CONF_ERROR; | |
| 1144 } | |
| 1145 | |
| 1146 mask[n - 1] = 0; | |
| 1147 | |
| 1148 for (i = 0; i < value[n].len; i++) { | |
| 1149 | |
| 1150 ch = value[n].data[i]; | |
| 1151 | |
| 1152 if (ch == ' ') { | |
| 1153 continue; | |
| 1154 } | |
| 1155 | |
| 1156 mask[n - 1] <<= 1; | |
| 1157 | |
| 1158 if (ch == '0') { | |
| 1159 continue; | |
| 1160 } | |
| 1161 | |
| 1162 if (ch == '1') { | |
| 1163 mask[n - 1] |= 1; | |
| 1164 continue; | |
| 1165 } | |
| 1166 | |
| 1167 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 1168 "invalid character \"%c\" in \"worker_cpu_affinity\"", | |
| 1169 ch); | |
| 2024 | 1170 return NGX_CONF_ERROR; |
| 577 | 1171 } |
| 1172 } | |
| 1173 | |
| 1174 #else | |
| 1175 | |
| 1176 ngx_conf_log_error(NGX_LOG_WARN, cf, 0, | |
| 1177 "\"worker_cpu_affinity\" is not supported " | |
| 1178 "on this platform, ignored"); | |
| 1179 #endif | |
| 1180 | |
| 1181 return NGX_CONF_OK; | |
| 1182 } | |
| 1183 | |
| 1184 | |
| 1185 u_long | |
| 1186 ngx_get_cpu_affinity(ngx_uint_t n) | |
| 1187 { | |
| 1188 ngx_core_conf_t *ccf; | |
| 1189 | |
| 1190 ccf = (ngx_core_conf_t *) ngx_get_conf(ngx_cycle->conf_ctx, | |
| 1191 ngx_core_module); | |
| 1192 | |
| 1193 if (ccf->cpu_affinity == NULL) { | |
| 1194 return 0; | |
| 1195 } | |
| 1196 | |
| 1197 if (ccf->cpu_affinity_n > n) { | |
| 1198 return ccf->cpu_affinity[n]; | |
| 1199 } | |
| 1200 | |
| 1201 return ccf->cpu_affinity[ccf->cpu_affinity_n - 1]; | |
| 1202 } |