Mercurial > hg > nginx
annotate src/core/nginx.c @ 2735:a9d7f8ebdbef
add -? and -h options
author | Igor Sysoev <igor@sysoev.ru> |
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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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10 |
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11 |
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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); |
311
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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); |
234
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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 | |
117
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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, |
311
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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 | |
311
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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 | |
376
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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 | |
117
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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) |
107
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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; | |
107
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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(); |
114
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251 #endif |
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252 |
108
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253 /* TODO */ ngx_max_sockets = -1; |
107
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254 |
195
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255 ngx_time_init(); |
221
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256 |
455 | 257 #if (NGX_PCRE) |
195
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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); |
448
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292 |
611 | 293 if (ngx_os_init(log) != NGX_OK) { |
443
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294 return 1; |
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295 } |
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296 |
1694
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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 |
1694
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301 if (ngx_crc32_table_init() != NGX_OK) { |
930
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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) { |
218
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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); |
108
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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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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 } | |
220
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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); | |
218
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344 } |
220
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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
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356 |
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357 ngx_daemonized = 1; |
115
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358 } |
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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 |
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369 } else { |
2725 | 370 ngx_master_process_cycle(cycle); |
318
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371 } |
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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); |
282
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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, |
282
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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
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395 != NGX_OK) |
461 | 396 { |
397 return NGX_ERROR; | |
398 } | |
282
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399 |
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400 for (p = inherited, v = p; *p; p++) { |
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401 if (*p == ':' || *p == ';') { |
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402 s = ngx_atoi(v, p - v); |
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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; |
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409 } |
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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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421 } |
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422 } |
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423 |
282
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424 ngx_inherited = 1; |
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425 |
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426 return ngx_set_inherited_sockets(cycle); |
219
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427 } |
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428 |
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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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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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539 |
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540 ctx.path = argv[0]; |
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541 ctx.name = "new binary process"; |
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542 ctx.argv = argv; |
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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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550 var = ngx_alloc(sizeof(NGINX_VAR) |
501 | 551 + cycle->listening.nelts * (NGX_INT32_LEN + 1) + 2, |
218
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552 cycle->log); |
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553 |
461 | 554 p = ngx_cpymem(var, NGINX_VAR "=", sizeof(NGINX_VAR)); |
218
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555 |
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556 ls = cycle->listening.elts; |
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557 for (i = 0; i < cycle->listening.nelts; i++) { |
461 | 558 p = ngx_sprintf(p, "%ud;", ls[i].fd); |
114
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559 } |
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|
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; | |
218
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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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diff
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|
618 return pid; |
218
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diff
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|
619 } |
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diff
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|
620 |
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diff
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|
621 |
543 | 622 static ngx_int_t |
2730
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diff
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|
623 ngx_get_options(int argc, char *const *argv) |
255
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|
624 { |
2733
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diff
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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++) { |
2733
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diff
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|
629 |
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diff
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630 p = (u_char *) argv[i]; |
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diff
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|
631 |
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diff
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|
632 if (*p++ != '-') { |
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test command line options before ngx_log_init() and issue errors to stderr
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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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diff
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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 | |
2733
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diff
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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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diff
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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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diff
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|
654 break; |
945 | 655 |
2733
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diff
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|
656 case 't': |
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diff
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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 |
2733
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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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|
664 } |
316
a0beefedaf94
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314
diff
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|
665 |
2733
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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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diff
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|
669 } |
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diff
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|
670 |
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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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673 |
2733
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|
674 case 'g': |
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diff
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|
675 if (*p) { |
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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
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|
678 } |
2073 | 679 |
2733
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diff
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|
680 if (argv[++i]) { |
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|
681 ngx_conf_params = (u_char *) argv[i]; |
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682 goto next; |
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diff
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|
683 } |
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diff
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|
684 |
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diff
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|
685 ngx_log_stderr("the option \"-g\" requires parameter"); |
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diff
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|
686 return NGX_ERROR; |
2073 | 687 |
2725 | 688 #if (NGX_WIN32) |
2733
edc01cc34b3e
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diff
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|
689 case 's': |
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diff
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|
690 if (*p) { |
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|
691 ngx_signal = (char *) p; |
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diff
changeset
|
692 |
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diff
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|
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 |
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diff
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|
696 } else { |
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diff
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|
697 ngx_log_stderr("the option \"-s\" requires parameter"); |
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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
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|
701 if (ngx_strcmp(ngx_signal, "stop") == 0 |
edc01cc34b3e
allow condensed command lines options
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diff
changeset
|
702 || ngx_strcmp(ngx_signal, "quit") == 0 |
edc01cc34b3e
allow condensed command lines options
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diff
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|
703 || ngx_strcmp(ngx_signal, "reopen") == 0 |
edc01cc34b3e
allow condensed command lines options
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parents:
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diff
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|
704 || ngx_strcmp(ngx_signal, "reload") == 0) |
edc01cc34b3e
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2730
diff
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|
705 { |
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diff
changeset
|
706 ngx_process = NGX_PROCESS_SIGNALLER; |
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allow condensed command lines options
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diff
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|
707 goto next; |
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diff
changeset
|
708 } |
edc01cc34b3e
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diff
changeset
|
709 |
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diff
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|
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
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diff
changeset
|
720 next: |
2725 | 721 |
2733
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|
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 | |
2730
95a17423afdb
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diff
changeset
|
771 static void |
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test command line options before ngx_log_init() and issue errors to stderr
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diff
changeset
|
772 ngx_process_options(ngx_cycle_t *cycle) |
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diff
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|
773 { |
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test command line options before ngx_log_init() and issue errors to stderr
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diff
changeset
|
774 if (ngx_conf_file) { |
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test command line options before ngx_log_init() and issue errors to stderr
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diff
changeset
|
775 cycle->conf_file.len = ngx_strlen(ngx_conf_file); |
2733
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diff
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|
776 cycle->conf_file.data = ngx_conf_file; |
2730
95a17423afdb
test command line options before ngx_log_init() and issue errors to stderr
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diff
changeset
|
777 |
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2725
diff
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|
778 } else { |
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test command line options before ngx_log_init() and issue errors to stderr
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diff
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|
779 cycle->conf_file.len = sizeof(NGX_CONF_PATH) - 1; |
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test command line options before ngx_log_init() and issue errors to stderr
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diff
changeset
|
780 cycle->conf_file.data = (u_char *) NGX_CONF_PATH; |
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test command line options before ngx_log_init() and issue errors to stderr
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diff
changeset
|
781 } |
95a17423afdb
test command line options before ngx_log_init() and issue errors to stderr
Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
782 |
95a17423afdb
test command line options before ngx_log_init() and issue errors to stderr
Igor Sysoev <igor@sysoev.ru>
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2725
diff
changeset
|
783 if (ngx_conf_params) { |
95a17423afdb
test command line options before ngx_log_init() and issue errors to stderr
Igor Sysoev <igor@sysoev.ru>
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2725
diff
changeset
|
784 cycle->conf_param.len = ngx_strlen(ngx_conf_params); |
2733
edc01cc34b3e
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parents:
2730
diff
changeset
|
785 cycle->conf_param.data = ngx_conf_params; |
2730
95a17423afdb
test command line options before ngx_log_init() and issue errors to stderr
Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
786 } |
95a17423afdb
test command line options before ngx_log_init() and issue errors to stderr
Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
787 |
95a17423afdb
test command line options before ngx_log_init() and issue errors to stderr
Igor Sysoev <igor@sysoev.ru>
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2725
diff
changeset
|
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; |
218
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802 } |
479 | 803 |
804 /* | |
805 * set by pcalloc() | |
218
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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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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 |
376
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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; |
376
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831 #endif |
218
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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 | |
311
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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 | |
311
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852 ngx_conf_init_value(ccf->worker_processes, 1); |
461 | 853 ngx_conf_init_value(ccf->debug_points, 0); |
311
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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 | |
376
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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) |
311
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|
899 |
517 | 900 if (ccf->user == (uid_t) NGX_CONF_UNSET_UINT && geteuid() == 0) { |
1704
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901 struct group *grp; |
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902 struct passwd *pwd; |
440
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409
diff
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|
903 |
1288 | 904 ngx_set_errno(0); |
455 | 905 pwd = getpwnam(NGX_USER); |
440
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diff
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|
906 if (pwd == NULL) { |
f390d1775430
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parents:
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diff
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|
907 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno, |
455 | 908 "getpwnam(\"" NGX_USER "\") failed"); |
440
f390d1775430
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parents:
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diff
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|
909 return NGX_CONF_ERROR; |
f390d1775430
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diff
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|
910 } |
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parents:
409
diff
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|
911 |
473 | 912 ccf->username = NGX_USER; |
440
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parents:
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diff
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|
913 ccf->user = pwd->pw_uid; |
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diff
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|
914 |
1288 | 915 ngx_set_errno(0); |
455 | 916 grp = getgrnam(NGX_GROUP); |
440
f390d1775430
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diff
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|
917 if (grp == NULL) { |
f390d1775430
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409
diff
changeset
|
918 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno, |
455 | 919 "getgrnam(\"" NGX_GROUP "\") failed"); |
440
f390d1775430
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diff
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|
920 return NGX_CONF_ERROR; |
f390d1775430
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parents:
409
diff
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|
921 } |
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922 |
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|
923 ccf->group = grp->gr_gid; |
f390d1775430
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diff
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|
924 } |
218
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925 |
860
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|
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
a6d6d762c554
small optimization: " == NGX_ERROR" > " != NGX_OK"
Igor Sysoev <igor@sysoev.ru>
parents:
2302
diff
changeset
|
932 if (ngx_conf_full_name(cycle, &ccf->lock_file, 0) != NGX_OK) { |
611 | 933 return NGX_CONF_ERROR; |
934 } | |
935 | |
1704
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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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939 lock_file = cycle->old_cycle->lock_file; |
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|
940 |
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941 if (lock_file.len) { |
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942 lock_file.len--; |
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943 |
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944 if (ccf->lock_file.len != lock_file.len |
201d017ea470
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Igor Sysoev <igor@sysoev.ru>
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|
945 || ngx_strncmp(ccf->lock_file.data, lock_file.data, lock_file.len) |
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|
946 != 0) |
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947 { |
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Igor Sysoev <igor@sysoev.ru>
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diff
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|
948 ngx_log_error(NGX_LOG_EMERG, cycle->log, 0, |
201d017ea470
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|
949 "\"lock_file\" could not be changed, ignored"); |
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diff
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|
950 } |
201d017ea470
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Igor Sysoev <igor@sysoev.ru>
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|
951 |
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|
952 cycle->lock_file.len = lock_file.len + 1; |
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|
953 lock_file.len += sizeof(".accept"); |
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|
954 |
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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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958 } |
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|
959 |
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diff
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960 } else { |
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Igor Sysoev <igor@sysoev.ru>
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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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parents:
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|
963 ccf->lock_file.len + sizeof(".accept")); |
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|
964 if (cycle->lock_file.data == NULL) { |
201d017ea470
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
965 return NGX_CONF_ERROR; |
201d017ea470
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|
966 } |
201d017ea470
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Igor Sysoev <igor@sysoev.ru>
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|
967 |
201d017ea470
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diff
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|
968 ngx_memcpy(ngx_cpymem(cycle->lock_file.data, ccf->lock_file.data, |
201d017ea470
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parents:
796
diff
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|
969 ccf->lock_file.len), |
201d017ea470
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diff
changeset
|
970 ".accept", sizeof(".accept")); |
201d017ea470
slab allocator in shared memory
Igor Sysoev <igor@sysoev.ru>
parents:
796
diff
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|
971 } |
1704
e584e946e198
move condition declarations inside blocks where they are used
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1694
diff
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|
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
ac69ab96328d
nginx-0.0.1-2003-07-07-10:11:50 import
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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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nginx-0.0.1-2004-01-20-23:40:08 import
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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; |
278
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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 } |