Mercurial > hg > nginx
annotate src/core/nginx.c @ 2730:95a17423afdb
test command line options before ngx_log_init() and issue errors to stderr
author | Igor Sysoev <igor@sysoev.ru> |
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date | Tue, 21 Apr 2009 13:39:47 +0000 |
parents | d43d73277c5c |
children | edc01cc34b3e |
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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6 |
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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, |
311
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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, | |
949
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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 |
117
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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, |
311
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170 &ngx_core_module_ctx, /* module context */ |
117
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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 */ |
311
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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; |
195
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185 |
2725 | 186 static ngx_uint_t ngx_show_version; |
187 static ngx_uint_t ngx_show_configure; | |
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188 static char *ngx_conf_file; |
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189 static char *ngx_conf_params; |
2725 | 190 #if (NGX_WIN32) |
191 static char *ngx_signal; | |
192 #endif | |
193 | |
639 | 194 |
1069 | 195 static char **ngx_os_environ; |
601 | 196 |
107
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197 |
503 | 198 int ngx_cdecl |
499 | 199 main(int argc, char *const *argv) |
107
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200 { |
452 | 201 ngx_int_t i; |
202 ngx_log_t *log; | |
203 ngx_cycle_t *cycle, init_cycle; | |
204 ngx_core_conf_t *ccf; | |
107
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205 |
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206 if (ngx_get_options(argc, argv) != NGX_OK) { |
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207 return 1; |
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208 } |
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209 |
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210 if (ngx_show_version) { |
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211 ngx_log_stderr("nginx version: " NGINX_VER); |
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212 |
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213 if (ngx_show_configure) { |
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214 #ifdef NGX_COMPILER |
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215 ngx_log_stderr("built by " NGX_COMPILER); |
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216 #endif |
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217 ngx_log_stderr("configure arguments: " NGX_CONFIGURE); |
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218 } |
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219 |
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220 if (!ngx_test_config) { |
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221 return 0; |
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222 } |
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223 } |
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224 |
455 | 225 #if (NGX_FREEBSD) |
207
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226 ngx_debug_init(); |
114
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227 #endif |
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228 |
108
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229 /* TODO */ ngx_max_sockets = -1; |
107
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230 |
195
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231 ngx_time_init(); |
221
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232 |
455 | 233 #if (NGX_PCRE) |
195
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234 ngx_regex_init(); |
212
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235 #endif |
182
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236 |
443
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237 ngx_pid = ngx_getpid(); |
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238 |
501 | 239 log = ngx_log_init(); |
240 if (log == NULL) { | |
444
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241 return 1; |
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242 } |
107
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243 |
541 | 244 /* STUB */ |
393
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245 #if (NGX_OPENSSL) |
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246 ngx_ssl_init(log); |
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247 #endif |
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248 |
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249 /* |
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250 * init_cycle->log is required for signal handlers and |
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251 * ngx_process_options() |
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252 */ |
212
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253 |
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254 ngx_memzero(&init_cycle, sizeof(ngx_cycle_t)); |
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255 init_cycle.log = log; |
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256 ngx_cycle = &init_cycle; |
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257 |
501 | 258 init_cycle.pool = ngx_create_pool(1024, log); |
259 if (init_cycle.pool == NULL) { | |
218
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260 return 1; |
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261 } |
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262 |
611 | 263 if (ngx_save_argv(&init_cycle, argc, argv) != NGX_OK) { |
452 | 264 return 1; |
265 } | |
266 | |
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267 ngx_process_options(&init_cycle); |
448
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268 |
611 | 269 if (ngx_os_init(log) != NGX_OK) { |
443
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270 return 1; |
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271 } |
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272 |
1694
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273 /* |
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274 * ngx_crc32_table_init() requires ngx_cacheline_size set in ngx_os_init() |
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275 */ |
930
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276 |
1694
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277 if (ngx_crc32_table_init() != NGX_OK) { |
930
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278 return 1; |
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279 } |
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280 |
611 | 281 if (ngx_add_inherited_sockets(&init_cycle) != NGX_OK) { |
218
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282 return 1; |
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283 } |
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284 |
317
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285 ngx_max_module = 0; |
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286 for (i = 0; ngx_modules[i]; i++) { |
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287 ngx_modules[i]->index = ngx_max_module++; |
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288 } |
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289 |
218
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290 cycle = ngx_init_cycle(&init_cycle); |
108
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291 if (cycle == NULL) { |
320
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292 if (ngx_test_config) { |
2722 | 293 ngx_log_stderr("the configuration file %s test failed", |
294 init_cycle.conf_file.data); | |
320
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295 } |
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296 |
107
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297 return 1; |
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298 } |
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299 |
317
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300 if (ngx_test_config) { |
2722 | 301 ngx_log_stderr("the configuration file %s was tested successfully", |
302 cycle->conf_file.data); | |
317
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303 return 0; |
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304 } |
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305 |
449
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306 ngx_os_status(cycle->log); |
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307 |
114
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308 ngx_cycle = cycle; |
113
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309 |
218
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310 ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, ngx_core_module); |
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311 |
2725 | 312 if (ccf->master && ngx_process == NGX_PROCESS_SINGLE) { |
313 ngx_process = NGX_PROCESS_MASTER; | |
314 } | |
220
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315 |
461 | 316 #if (NGX_WIN32) |
220
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317 |
2725 | 318 if (ngx_signal) { |
319 return ngx_signal_process(cycle, ngx_signal); | |
218
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320 } |
220
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321 |
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322 #else |
115
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323 |
611 | 324 if (ngx_init_signals(cycle->log) != NGX_OK) { |
539 | 325 return 1; |
326 } | |
327 | |
311
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328 if (!ngx_inherited && ccf->daemon) { |
611 | 329 if (ngx_daemon(cycle->log) != NGX_OK) { |
115
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330 return 1; |
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331 } |
366
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332 |
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333 ngx_daemonized = 1; |
115
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334 } |
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335 |
2725 | 336 #endif |
337 | |
611 | 338 if (ngx_create_pidfile(&ccf->pid, cycle->log) != NGX_OK) { |
210
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339 return 1; |
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340 } |
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341 |
2725 | 342 if (ngx_process == NGX_PROCESS_SINGLE) { |
343 ngx_single_process_cycle(cycle); | |
318
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344 |
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345 } else { |
2725 | 346 ngx_master_process_cycle(cycle); |
318
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347 } |
220
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348 |
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349 return 0; |
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350 } |
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351 |
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352 |
499 | 353 static ngx_int_t |
354 ngx_add_inherited_sockets(ngx_cycle_t *cycle) | |
219
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355 { |
501 | 356 u_char *p, *v, *inherited; |
357 ngx_int_t s; | |
358 ngx_listening_t *ls; | |
219
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359 |
290
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360 inherited = (u_char *) getenv(NGINX_VAR); |
282
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361 |
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362 if (inherited == NULL) { |
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363 return NGX_OK; |
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364 } |
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365 |
461 | 366 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, |
282
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367 "using inherited sockets from \"%s\"", inherited); |
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368 |
461 | 369 if (ngx_array_init(&cycle->listening, cycle->pool, 10, |
745 | 370 sizeof(ngx_listening_t)) |
2536
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371 != NGX_OK) |
461 | 372 { |
373 return NGX_ERROR; | |
374 } | |
282
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375 |
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376 for (p = inherited, v = p; *p; p++) { |
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377 if (*p == ':' || *p == ';') { |
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378 s = ngx_atoi(v, p - v); |
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379 if (s == NGX_ERROR) { |
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380 ngx_log_error(NGX_LOG_EMERG, cycle->log, 0, |
537 | 381 "invalid socket number \"%s\" in " NGINX_VAR |
382 " environment variable, ignoring the rest" | |
383 " of the variable", v); | |
282
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384 break; |
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385 } |
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386 |
290
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387 v = p + 1; |
282
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388 |
501 | 389 ls = ngx_array_push(&cycle->listening); |
390 if (ls == NULL) { | |
282
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391 return NGX_ERROR; |
290
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392 } |
219
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393 |
523 | 394 ngx_memzero(ls, sizeof(ngx_listening_t)); |
395 | |
501 | 396 ls->fd = (ngx_socket_t) s; |
219
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397 } |
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398 } |
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399 |
282
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400 ngx_inherited = 1; |
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401 |
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402 return ngx_set_inherited_sockets(cycle); |
219
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403 } |
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404 |
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405 |
1069 | 406 char ** |
407 ngx_set_environment(ngx_cycle_t *cycle, ngx_uint_t *last) | |
408 { | |
409 char **p, **env; | |
410 ngx_str_t *var; | |
411 ngx_uint_t i, n; | |
412 ngx_core_conf_t *ccf; | |
413 | |
414 ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, ngx_core_module); | |
415 | |
1080 | 416 if (last == NULL && ccf->environment) { |
417 return ccf->environment; | |
1069 | 418 } |
419 | |
420 var = ccf->env.elts; | |
421 | |
422 for (i = 0; i < ccf->env.nelts; i++) { | |
423 if (ngx_strcmp(var[i].data, "TZ") == 0 | |
424 || ngx_strncmp(var[i].data, "TZ=", 3) == 0) | |
425 { | |
426 goto tz_found; | |
427 } | |
428 } | |
429 | |
430 var = ngx_array_push(&ccf->env); | |
1318 | 431 if (var == NULL) { |
432 return NULL; | |
433 } | |
1069 | 434 |
435 var->len = 2; | |
436 var->data = (u_char *) "TZ"; | |
437 | |
438 var = ccf->env.elts; | |
439 | |
440 tz_found: | |
441 | |
1080 | 442 n = 0; |
443 | |
1069 | 444 for (i = 0; i < ccf->env.nelts; i++) { |
445 | |
446 if (var[i].data[var[i].len] == '=') { | |
447 n++; | |
448 continue; | |
449 } | |
450 | |
451 for (p = ngx_os_environ; *p; p++) { | |
452 | |
453 if (ngx_strncmp(*p, var[i].data, var[i].len) == 0 | |
454 && (*p)[var[i].len] == '=') | |
455 { | |
456 n++; | |
457 break; | |
458 } | |
459 } | |
460 } | |
461 | |
462 if (last) { | |
1080 | 463 env = ngx_alloc((*last + n + 1) * sizeof(char *), cycle->log); |
1069 | 464 *last = n; |
465 | |
466 } else { | |
467 env = ngx_palloc(cycle->pool, (n + 1) * sizeof(char *)); | |
468 } | |
469 | |
470 if (env == NULL) { | |
471 return NULL; | |
472 } | |
473 | |
474 n = 0; | |
475 | |
476 for (i = 0; i < ccf->env.nelts; i++) { | |
477 | |
478 if (var[i].data[var[i].len] == '=') { | |
479 env[n++] = (char *) var[i].data; | |
480 continue; | |
481 } | |
482 | |
483 for (p = ngx_os_environ; *p; p++) { | |
484 | |
485 if (ngx_strncmp(*p, var[i].data, var[i].len) == 0 | |
486 && (*p)[var[i].len] == '=') | |
487 { | |
488 env[n++] = *p; | |
489 break; | |
490 } | |
491 } | |
492 } | |
493 | |
494 env[n] = NULL; | |
495 | |
496 if (last == NULL) { | |
497 ccf->environment = env; | |
498 environ = env; | |
499 } | |
500 | |
501 return env; | |
502 } | |
503 | |
504 | |
543 | 505 ngx_pid_t |
506 ngx_exec_new_binary(ngx_cycle_t *cycle, char *const *argv) | |
218
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|
507 { |
1069 | 508 char **env, *var; |
509 u_char *p; | |
510 ngx_uint_t i, n; | |
511 ngx_pid_t pid; | |
512 ngx_exec_ctx_t ctx; | |
513 ngx_core_conf_t *ccf; | |
514 ngx_listening_t *ls; | |
218
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515 |
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516 ctx.path = argv[0]; |
05592fd7a436
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517 ctx.name = "new binary process"; |
05592fd7a436
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518 ctx.argv = argv; |
05592fd7a436
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519 |
1069 | 520 n = 2; |
521 env = ngx_set_environment(cycle, &n); | |
522 if (env == NULL) { | |
523 return NGX_INVALID_PID; | |
524 } | |
525 | |
282
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526 var = ngx_alloc(sizeof(NGINX_VAR) |
501 | 527 + cycle->listening.nelts * (NGX_INT32_LEN + 1) + 2, |
218
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528 cycle->log); |
05592fd7a436
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|
529 |
461 | 530 p = ngx_cpymem(var, NGINX_VAR "=", sizeof(NGINX_VAR)); |
218
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531 |
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|
532 ls = cycle->listening.elts; |
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533 for (i = 0; i < cycle->listening.nelts; i++) { |
461 | 534 p = ngx_sprintf(p, "%ud;", ls[i].fd); |
114
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113
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|
535 } |
ac69ab96328d
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|
536 |
461 | 537 *p = '\0'; |
538 | |
1069 | 539 env[n++] = var; |
452 | 540 |
541 #if (NGX_SETPROCTITLE_USES_ENV) | |
542 | |
461 | 543 /* allocate the spare 300 bytes for the new binary process title */ |
452 | 544 |
1069 | 545 env[n++] = "SPARE=XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX" |
546 "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX" | |
547 "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX" | |
548 "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX" | |
549 "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"; | |
452 | 550 |
551 #endif | |
552 | |
1069 | 553 env[n] = NULL; |
554 | |
555 #if (NGX_DEBUG) | |
556 { | |
557 char **e; | |
558 for (e = env; *e; e++) { | |
559 ngx_log_debug1(NGX_LOG_DEBUG_CORE, cycle->log, 0, "env: %s", *e); | |
560 } | |
561 } | |
562 #endif | |
563 | |
564 ctx.envp = (char *const *) env; | |
218
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565 |
543 | 566 ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, ngx_core_module); |
567 | |
1069 | 568 if (ngx_rename_file(ccf->pid.data, ccf->oldpid.data) != NGX_OK) { |
543 | 569 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, |
570 ngx_rename_file_n " %s to %s failed " | |
571 "before executing new binary process \"%s\"", | |
572 ccf->pid.data, ccf->oldpid.data, argv[0]); | |
573 | |
1069 | 574 ngx_free(env); |
543 | 575 ngx_free(var); |
576 | |
577 return NGX_INVALID_PID; | |
578 } | |
579 | |
279
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580 pid = ngx_execute(cycle, &ctx); |
114
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581 |
543 | 582 if (pid == NGX_INVALID_PID) { |
1069 | 583 if (ngx_rename_file(ccf->oldpid.data, ccf->pid.data) != NGX_OK) { |
543 | 584 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, |
1069 | 585 ngx_rename_file_n " %s back to %s failed after " |
586 "the try to execute the new binary process \"%s\"", | |
543 | 587 ccf->oldpid.data, ccf->pid.data, argv[0]); |
588 } | |
589 } | |
590 | |
1069 | 591 ngx_free(env); |
218
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592 ngx_free(var); |
226
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225
diff
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593 |
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594 return pid; |
218
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595 } |
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596 |
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|
597 |
543 | 598 static ngx_int_t |
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599 ngx_get_options(int argc, char *const *argv) |
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600 { |
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601 ngx_int_t i; |
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602 |
452 | 603 for (i = 1; i < argc; i++) { |
604 if (argv[i][0] != '-') { | |
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605 ngx_log_stderr("invalid option: \"%s\"", argv[i]); |
255
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606 return NGX_ERROR; |
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607 } |
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608 |
452 | 609 switch (argv[i][1]) { |
255
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610 |
639 | 611 case 'v': |
612 ngx_show_version = 1; | |
613 break; | |
614 | |
945 | 615 case 'V': |
616 ngx_show_version = 1; | |
617 ngx_show_configure = 1; | |
618 break; | |
619 | |
317
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620 case 't': |
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621 ngx_test_config = 1; |
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622 break; |
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623 |
255
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624 case 'c': |
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625 if (argv[++i]) { |
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626 ngx_conf_file = argv[i]; |
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627 break; |
316
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628 } |
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629 |
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630 ngx_log_stderr("the option \"-c\" requires file name"); |
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631 return NGX_ERROR; |
255
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632 |
2073 | 633 case 'g': |
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634 if (argv[++i]) { |
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635 ngx_conf_params = argv[i]; |
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636 break; |
2073 | 637 } |
638 | |
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639 ngx_log_stderr("the option \"-g\" requires parameter"); |
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640 return NGX_ERROR; |
2073 | 641 |
2725 | 642 #if (NGX_WIN32) |
643 case 's': | |
644 if (argv[++i] == NULL) { | |
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645 ngx_log_stderr("the option \"-s\" requires parameter"); |
2725 | 646 return NGX_ERROR; |
647 } | |
648 | |
649 if (ngx_strcmp(argv[i], "stop") == 0 | |
650 || ngx_strcmp(argv[i], "quit") == 0 | |
651 || ngx_strcmp(argv[i], "reopen") == 0 | |
652 || ngx_strcmp(argv[i], "reload") == 0) | |
653 { | |
654 ngx_process = NGX_PROCESS_SIGNALLER; | |
655 ngx_signal = argv[i]; | |
656 break; | |
657 } | |
658 | |
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659 ngx_log_stderr("invalid option: \"-s %s\"", argv[i]); |
2725 | 660 return NGX_ERROR; |
661 #endif | |
662 | |
255
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663 default: |
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664 ngx_log_stderr("invalid option: \"%s\"", argv[i]); |
255
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665 return NGX_ERROR; |
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666 } |
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667 } |
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668 |
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669 return NGX_OK; |
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670 } |
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671 |
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672 |
499 | 673 static ngx_int_t |
674 ngx_save_argv(ngx_cycle_t *cycle, int argc, char *const *argv) | |
452 | 675 { |
501 | 676 #if (NGX_FREEBSD) |
677 | |
678 ngx_os_argv = (char **) argv; | |
679 ngx_argc = argc; | |
680 ngx_argv = (char **) argv; | |
681 | |
682 #else | |
452 | 683 size_t len; |
684 ngx_int_t i; | |
685 | |
686 ngx_os_argv = (char **) argv; | |
687 ngx_argc = argc; | |
688 | |
501 | 689 ngx_argv = ngx_alloc((argc + 1) * sizeof(char *), cycle->log); |
690 if (ngx_argv == NULL) { | |
452 | 691 return NGX_ERROR; |
692 } | |
693 | |
694 for (i = 0; i < argc; i++) { | |
695 len = ngx_strlen(argv[i]) + 1; | |
696 | |
501 | 697 ngx_argv[i] = ngx_alloc(len, cycle->log); |
698 if (ngx_argv[i] == NULL) { | |
452 | 699 return NGX_ERROR; |
700 } | |
701 | |
517 | 702 (void) ngx_cpystrn((u_char *) ngx_argv[i], (u_char *) argv[i], len); |
452 | 703 } |
704 | |
705 ngx_argv[i] = NULL; | |
706 | |
707 #endif | |
708 | |
1069 | 709 ngx_os_environ = environ; |
710 | |
452 | 711 return NGX_OK; |
712 } | |
713 | |
714 | |
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715 static void |
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716 ngx_process_options(ngx_cycle_t *cycle) |
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717 { |
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718 if (ngx_conf_file) { |
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719 cycle->conf_file.len = ngx_strlen(ngx_conf_file); |
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720 cycle->conf_file.data = (u_char *) ngx_conf_file; |
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721 |
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722 } else { |
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723 cycle->conf_file.len = sizeof(NGX_CONF_PATH) - 1; |
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724 cycle->conf_file.data = (u_char *) NGX_CONF_PATH; |
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725 } |
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726 |
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727 if (ngx_conf_params) { |
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728 cycle->conf_param.data = (u_char *) ngx_conf_params; |
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729 cycle->conf_param.len = ngx_strlen(ngx_conf_params); |
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730 } |
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731 |
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732 if (ngx_test_config) { |
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733 cycle->log->log_level = NGX_LOG_INFO; |
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734 } |
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735 } |
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736 |
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737 |
499 | 738 static void * |
739 ngx_core_module_create_conf(ngx_cycle_t *cycle) | |
218
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740 { |
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741 ngx_core_conf_t *ccf; |
114
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742 |
501 | 743 ccf = ngx_pcalloc(cycle->pool, sizeof(ngx_core_conf_t)); |
744 if (ccf == NULL) { | |
311
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745 return NULL; |
218
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746 } |
479 | 747 |
748 /* | |
749 * set by pcalloc() | |
218
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750 * |
479 | 751 * ccf->pid = NULL; |
543 | 752 * ccf->oldpid = NULL; |
479 | 753 * ccf->priority = 0; |
577 | 754 * ccf->cpu_affinity_n = 0; |
755 * ccf->cpu_affinity = NULL; | |
218
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756 */ |
479 | 757 |
234
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758 ccf->daemon = NGX_CONF_UNSET; |
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759 ccf->master = NGX_CONF_UNSET; |
563 | 760 ccf->timer_resolution = NGX_CONF_UNSET_MSEC; |
761 | |
300
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762 ccf->worker_processes = NGX_CONF_UNSET; |
461 | 763 ccf->debug_points = NGX_CONF_UNSET; |
543 | 764 |
765 ccf->rlimit_nofile = NGX_CONF_UNSET; | |
949
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766 ccf->rlimit_core = NGX_CONF_UNSET_SIZE; |
543 | 767 ccf->rlimit_sigpending = NGX_CONF_UNSET; |
768 | |
517 | 769 ccf->user = (ngx_uid_t) NGX_CONF_UNSET_UINT; |
770 ccf->group = (ngx_gid_t) NGX_CONF_UNSET_UINT; | |
543 | 771 |
376
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772 #if (NGX_THREADS) |
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773 ccf->worker_threads = NGX_CONF_UNSET; |
461 | 774 ccf->thread_stack_size = NGX_CONF_UNSET_SIZE; |
376
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775 #endif |
218
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776 |
1069 | 777 if (ngx_array_init(&ccf->env, cycle->pool, 1, sizeof(ngx_str_t)) |
778 != NGX_OK) | |
779 { | |
780 return NULL; | |
781 } | |
782 | |
311
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783 return ccf; |
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784 } |
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785 |
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786 |
499 | 787 static char * |
788 ngx_core_module_init_conf(ngx_cycle_t *cycle, void *conf) | |
311
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789 { |
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790 ngx_core_conf_t *ccf = conf; |
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791 |
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792 ngx_conf_init_value(ccf->daemon, 1); |
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793 ngx_conf_init_value(ccf->master, 1); |
563 | 794 ngx_conf_init_msec_value(ccf->timer_resolution, 0); |
795 | |
311
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796 ngx_conf_init_value(ccf->worker_processes, 1); |
461 | 797 ngx_conf_init_value(ccf->debug_points, 0); |
311
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798 |
577 | 799 #if (NGX_HAVE_SCHED_SETAFFINITY) |
800 | |
801 if (ccf->cpu_affinity_n | |
802 && ccf->cpu_affinity_n != 1 | |
803 && ccf->cpu_affinity_n != (ngx_uint_t) ccf->worker_processes) | |
804 { | |
805 ngx_log_error(NGX_LOG_WARN, cycle->log, 0, | |
806 "number of the \"worker_processes\" is not equal to " | |
807 "the number of the \"worker_cpu_affinity\" mask, " | |
808 "using last mask for remaining worker processes"); | |
809 } | |
810 | |
811 #endif | |
812 | |
376
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813 #if (NGX_THREADS) |
577 | 814 |
376
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815 ngx_conf_init_value(ccf->worker_threads, 0); |
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816 ngx_threads_n = ccf->worker_threads; |
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817 ngx_conf_init_size_value(ccf->thread_stack_size, 2 * 1024 * 1024); |
577 | 818 |
376
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819 #endif |
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820 |
2725 | 821 |
822 if (ccf->pid.len == 0) { | |
823 ccf->pid.len = sizeof(NGX_PID_PATH) - 1; | |
824 ccf->pid.data = (u_char *) NGX_PID_PATH; | |
825 } | |
826 | |
827 if (ngx_conf_full_name(cycle, &ccf->pid, 0) != NGX_OK) { | |
828 return NGX_CONF_ERROR; | |
829 } | |
830 | |
831 ccf->oldpid.len = ccf->pid.len + sizeof(NGX_OLDPID_EXT); | |
832 | |
833 ccf->oldpid.data = ngx_pnalloc(cycle->pool, ccf->oldpid.len); | |
834 if (ccf->oldpid.data == NULL) { | |
835 return NGX_CONF_ERROR; | |
836 } | |
837 | |
838 ngx_memcpy(ngx_cpymem(ccf->oldpid.data, ccf->pid.data, ccf->pid.len), | |
839 NGX_OLDPID_EXT, sizeof(NGX_OLDPID_EXT)); | |
840 | |
841 | |
461 | 842 #if !(NGX_WIN32) |
311
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843 |
517 | 844 if (ccf->user == (uid_t) NGX_CONF_UNSET_UINT && geteuid() == 0) { |
1704
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845 struct group *grp; |
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846 struct passwd *pwd; |
440
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847 |
1288 | 848 ngx_set_errno(0); |
455 | 849 pwd = getpwnam(NGX_USER); |
440
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850 if (pwd == NULL) { |
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|
851 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno, |
455 | 852 "getpwnam(\"" NGX_USER "\") failed"); |
440
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|
853 return NGX_CONF_ERROR; |
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|
854 } |
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855 |
473 | 856 ccf->username = NGX_USER; |
440
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857 ccf->user = pwd->pw_uid; |
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858 |
1288 | 859 ngx_set_errno(0); |
455 | 860 grp = getgrnam(NGX_GROUP); |
440
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861 if (grp == NULL) { |
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862 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno, |
455 | 863 "getgrnam(\"" NGX_GROUP "\") failed"); |
440
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864 return NGX_CONF_ERROR; |
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865 } |
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866 |
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867 ccf->group = grp->gr_gid; |
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868 } |
218
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869 |
860
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870 |
611 | 871 if (ccf->lock_file.len == 0) { |
872 ccf->lock_file.len = sizeof(NGX_LOCK_PATH) - 1; | |
873 ccf->lock_file.data = (u_char *) NGX_LOCK_PATH; | |
874 } | |
875 | |
2536
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876 if (ngx_conf_full_name(cycle, &ccf->lock_file, 0) != NGX_OK) { |
611 | 877 return NGX_CONF_ERROR; |
878 } | |
879 | |
1704
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880 { |
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881 ngx_str_t lock_file; |
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882 |
860
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883 lock_file = cycle->old_cycle->lock_file; |
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884 |
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885 if (lock_file.len) { |
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886 lock_file.len--; |
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887 |
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888 if (ccf->lock_file.len != lock_file.len |
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889 || ngx_strncmp(ccf->lock_file.data, lock_file.data, lock_file.len) |
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890 != 0) |
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891 { |
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diff
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892 ngx_log_error(NGX_LOG_EMERG, cycle->log, 0, |
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893 "\"lock_file\" could not be changed, ignored"); |
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894 } |
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Igor Sysoev <igor@sysoev.ru>
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|
895 |
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896 cycle->lock_file.len = lock_file.len + 1; |
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|
897 lock_file.len += sizeof(".accept"); |
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|
898 |
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|
899 cycle->lock_file.data = ngx_pstrdup(cycle->pool, &lock_file); |
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900 if (cycle->lock_file.data == NULL) { |
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901 return NGX_CONF_ERROR; |
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Igor Sysoev <igor@sysoev.ru>
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diff
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|
902 } |
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diff
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|
903 |
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diff
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|
904 } else { |
201d017ea470
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diff
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|
905 cycle->lock_file.len = ccf->lock_file.len + 1; |
2049 | 906 cycle->lock_file.data = ngx_pnalloc(cycle->pool, |
860
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parents:
796
diff
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|
907 ccf->lock_file.len + sizeof(".accept")); |
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796
diff
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|
908 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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|
909 return NGX_CONF_ERROR; |
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parents:
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diff
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|
910 } |
201d017ea470
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
911 |
201d017ea470
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parents:
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diff
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|
912 ngx_memcpy(ngx_cpymem(cycle->lock_file.data, ccf->lock_file.data, |
201d017ea470
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
913 ccf->lock_file.len), |
201d017ea470
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Igor Sysoev <igor@sysoev.ru>
parents:
796
diff
changeset
|
914 ".accept", sizeof(".accept")); |
201d017ea470
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Igor Sysoev <igor@sysoev.ru>
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diff
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|
915 } |
1704
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|
916 } |
860
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917 |
311
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diff
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|
918 #endif |
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919 |
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diff
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920 return NGX_CONF_OK; |
114
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parents:
113
diff
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|
921 } |
234
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922 |
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923 |
499 | 924 static char * |
925 ngx_set_user(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
234
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926 { |
461 | 927 #if (NGX_WIN32) |
278
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|
928 |
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929 ngx_conf_log_error(NGX_LOG_WARN, cf, 0, |
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diff
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|
930 "\"user\" is not supported, ignored"); |
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|
931 |
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932 return NGX_CONF_OK; |
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|
933 |
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|
934 #else |
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diff
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|
935 |
311
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310
diff
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|
936 ngx_core_conf_t *ccf = conf; |
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937 |
455 | 938 char *group; |
234
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diff
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|
939 struct passwd *pwd; |
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|
940 struct group *grp; |
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diff
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|
941 ngx_str_t *value; |
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parents:
231
diff
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|
942 |
517 | 943 if (ccf->user != (uid_t) NGX_CONF_UNSET_UINT) { |
234
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parents:
231
diff
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|
944 return "is duplicate"; |
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parents:
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diff
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|
945 } |
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diff
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|
946 |
455 | 947 if (geteuid() != 0) { |
948 ngx_conf_log_error(NGX_LOG_WARN, cf, 0, | |
949 "the \"user\" directive makes sense only " | |
950 "if the master process runs " | |
951 "with super-user privileges, ignored"); | |
952 return NGX_CONF_OK; | |
953 } | |
954 | |
234
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231
diff
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|
955 value = (ngx_str_t *) cf->args->elts; |
cd71b95716b4
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parents:
231
diff
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|
956 |
473 | 957 ccf->username = (char *) value[1].data; |
958 | |
1288 | 959 ngx_set_errno(0); |
290
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parents:
289
diff
changeset
|
960 pwd = getpwnam((const char *) value[1].data); |
234
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parents:
231
diff
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|
961 if (pwd == NULL) { |
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nginx-0.0.1-2004-01-20-23:40:08 import
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parents:
231
diff
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|
962 ngx_conf_log_error(NGX_LOG_EMERG, cf, ngx_errno, |
452 | 963 "getpwnam(\"%s\") failed", value[1].data); |
234
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parents:
231
diff
changeset
|
964 return NGX_CONF_ERROR; |
cd71b95716b4
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parents:
231
diff
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|
965 } |
cd71b95716b4
nginx-0.0.1-2004-01-20-23:40:08 import
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966 |
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nginx-0.0.1-2004-01-20-23:40:08 import
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967 ccf->user = pwd->pw_uid; |
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968 |
455 | 969 group = (char *) ((cf->args->nelts == 2) ? value[1].data : value[2].data); |
234
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970 |
1288 | 971 ngx_set_errno(0); |
455 | 972 grp = getgrnam(group); |
234
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973 if (grp == NULL) { |
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974 ngx_conf_log_error(NGX_LOG_EMERG, cf, ngx_errno, |
455 | 975 "getgrnam(\"%s\") failed", group); |
234
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976 return NGX_CONF_ERROR; |
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977 } |
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978 |
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979 ccf->group = grp->gr_gid; |
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980 |
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981 return NGX_CONF_OK; |
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982 |
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983 #endif |
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984 } |
473 | 985 |
986 | |
499 | 987 static char * |
1069 | 988 ngx_set_env(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
989 { | |
990 ngx_core_conf_t *ccf = conf; | |
991 | |
992 ngx_str_t *value, *var; | |
993 ngx_uint_t i; | |
994 | |
995 var = ngx_array_push(&ccf->env); | |
996 if (var == NULL) { | |
997 return NGX_CONF_ERROR; | |
998 } | |
999 | |
1000 value = cf->args->elts; | |
1001 *var = value[1]; | |
1002 | |
1003 for (i = 0; i < value[1].len; i++) { | |
1004 | |
1005 if (value[1].data[i] == '=') { | |
1006 | |
1007 var->len = i; | |
1008 | |
1009 return NGX_CONF_OK; | |
1010 } | |
1011 } | |
1012 | |
1013 return NGX_CONF_OK; | |
1014 } | |
1015 | |
1016 | |
1017 static char * | |
499 | 1018 ngx_set_priority(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
473 | 1019 { |
1020 ngx_core_conf_t *ccf = conf; | |
1021 | |
1022 ngx_str_t *value; | |
1023 ngx_uint_t n, minus; | |
1024 | |
1025 if (ccf->priority != 0) { | |
1026 return "is duplicate"; | |
1027 } | |
1028 | |
1029 value = cf->args->elts; | |
1030 | |
1031 if (value[1].data[0] == '-') { | |
1032 n = 1; | |
1033 minus = 1; | |
1034 | |
1035 } else if (value[1].data[0] == '+') { | |
1036 n = 1; | |
1037 minus = 0; | |
1038 | |
1039 } else { | |
1040 n = 0; | |
1041 minus = 0; | |
1042 } | |
1043 | |
1044 ccf->priority = ngx_atoi(&value[1].data[n], value[1].len - n); | |
1045 if (ccf->priority == NGX_ERROR) { | |
1046 return "invalid number"; | |
1047 } | |
1048 | |
1049 if (minus) { | |
1050 ccf->priority = -ccf->priority; | |
1051 } | |
1052 | |
1053 return NGX_CONF_OK; | |
1054 } | |
577 | 1055 |
1056 | |
1057 static char * | |
1058 ngx_set_cpu_affinity(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
1059 { | |
1060 #if (NGX_HAVE_SCHED_SETAFFINITY) | |
1061 ngx_core_conf_t *ccf = conf; | |
1062 | |
1063 u_char ch; | |
1064 u_long *mask; | |
1065 ngx_str_t *value; | |
1066 ngx_uint_t i, n; | |
1067 | |
1068 if (ccf->cpu_affinity) { | |
1069 return "is duplicate"; | |
1070 } | |
1071 | |
1072 mask = ngx_palloc(cf->pool, (cf->args->nelts - 1) * sizeof(long)); | |
1073 if (mask == NULL) { | |
1074 return NGX_CONF_ERROR; | |
1075 } | |
1076 | |
1077 ccf->cpu_affinity_n = cf->args->nelts - 1; | |
1078 ccf->cpu_affinity = mask; | |
1079 | |
1080 value = cf->args->elts; | |
1081 | |
1082 for (n = 1; n < cf->args->nelts; n++) { | |
1083 | |
1084 if (value[n].len > 32) { | |
1085 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
1086 "\"worker_cpu_affinity\" supports up to 32 CPU only"); | |
1087 return NGX_CONF_ERROR; | |
1088 } | |
1089 | |
1090 mask[n - 1] = 0; | |
1091 | |
1092 for (i = 0; i < value[n].len; i++) { | |
1093 | |
1094 ch = value[n].data[i]; | |
1095 | |
1096 if (ch == ' ') { | |
1097 continue; | |
1098 } | |
1099 | |
1100 mask[n - 1] <<= 1; | |
1101 | |
1102 if (ch == '0') { | |
1103 continue; | |
1104 } | |
1105 | |
1106 if (ch == '1') { | |
1107 mask[n - 1] |= 1; | |
1108 continue; | |
1109 } | |
1110 | |
1111 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
1112 "invalid character \"%c\" in \"worker_cpu_affinity\"", | |
1113 ch); | |
2024 | 1114 return NGX_CONF_ERROR; |
577 | 1115 } |
1116 } | |
1117 | |
1118 #else | |
1119 | |
1120 ngx_conf_log_error(NGX_LOG_WARN, cf, 0, | |
1121 "\"worker_cpu_affinity\" is not supported " | |
1122 "on this platform, ignored"); | |
1123 #endif | |
1124 | |
1125 return NGX_CONF_OK; | |
1126 } | |
1127 | |
1128 | |
1129 u_long | |
1130 ngx_get_cpu_affinity(ngx_uint_t n) | |
1131 { | |
1132 ngx_core_conf_t *ccf; | |
1133 | |
1134 ccf = (ngx_core_conf_t *) ngx_get_conf(ngx_cycle->conf_ctx, | |
1135 ngx_core_module); | |
1136 | |
1137 if (ccf->cpu_affinity == NULL) { | |
1138 return 0; | |
1139 } | |
1140 | |
1141 if (ccf->cpu_affinity_n > n) { | |
1142 return ccf->cpu_affinity[n]; | |
1143 } | |
1144 | |
1145 return ccf->cpu_affinity[ccf->cpu_affinity_n - 1]; | |
1146 } |