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0
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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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5
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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 <ngx_event.h>
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10 #include <nginx.h>
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11
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12
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13 static ngx_int_t ngx_add_inherited_sockets(ngx_cycle_t *cycle);
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2
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14 static ngx_int_t ngx_getopt(ngx_cycle_t *cycle, int argc, char *const *argv);
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15 static ngx_int_t ngx_save_argv(ngx_cycle_t *cycle, int argc, char *const *argv);
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0
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16 static void *ngx_core_module_create_conf(ngx_cycle_t *cycle);
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17 static char *ngx_core_module_init_conf(ngx_cycle_t *cycle, void *conf);
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18 static char *ngx_set_user(ngx_conf_t *cf, ngx_command_t *cmd, void *conf);
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22
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19 static char *ngx_set_priority(ngx_conf_t *cf, ngx_command_t *cmd, void *conf);
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0
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20
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21
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10
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22 static ngx_conf_enum_t ngx_debug_points[] = {
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23 { ngx_string("stop"), NGX_DEBUG_POINTS_STOP },
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24 { ngx_string("abort"), NGX_DEBUG_POINTS_ABORT },
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25 { ngx_null_string, 0 }
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26 };
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27
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28
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0
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29 static ngx_command_t ngx_core_commands[] = {
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30
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31 { ngx_string("daemon"),
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32 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
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33 ngx_conf_set_flag_slot,
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34 0,
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35 offsetof(ngx_core_conf_t, daemon),
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36 NULL },
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37
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38 { ngx_string("master_process"),
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39 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
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40 ngx_conf_set_flag_slot,
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41 0,
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42 offsetof(ngx_core_conf_t, master),
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43 NULL },
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44
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45 { ngx_string("worker_processes"),
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46 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
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47 ngx_conf_set_num_slot,
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48 0,
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49 offsetof(ngx_core_conf_t, worker_processes),
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50 NULL },
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51
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10
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52 { ngx_string("debug_points"),
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53 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
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54 ngx_conf_set_enum_slot,
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55 0,
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56 offsetof(ngx_core_conf_t, debug_points),
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57 &ngx_debug_points },
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58
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0
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59 #if (NGX_THREADS)
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60
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61 { ngx_string("worker_threads"),
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62 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
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63 ngx_conf_set_num_slot,
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64 0,
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65 offsetof(ngx_core_conf_t, worker_threads),
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66 NULL },
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67
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68 { ngx_string("thread_stack_size"),
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69 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
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70 ngx_conf_set_size_slot,
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71 0,
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72 offsetof(ngx_core_conf_t, thread_stack_size),
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73 NULL },
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74
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75 #endif
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76
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77 { ngx_string("user"),
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78 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE12,
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79 ngx_set_user,
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80 0,
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81 0,
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82 NULL },
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83
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22
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84 { ngx_string("worker_priority"),
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85 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
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86 ngx_set_priority,
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87 0,
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88 0,
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89 NULL },
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90
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0
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91 { ngx_string("pid"),
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92 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
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93 ngx_conf_set_str_slot,
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94 0,
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95 offsetof(ngx_core_conf_t, pid),
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96 NULL },
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97
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70
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98 { ngx_string("working_directory"),
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99 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
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100 ngx_conf_set_str_slot,
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101 0,
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102 offsetof(ngx_core_conf_t, working_directory),
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103 NULL },
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104
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0
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105 ngx_null_command
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106 };
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107
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108
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109 static ngx_core_module_t ngx_core_module_ctx = {
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110 ngx_string("core"),
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111 ngx_core_module_create_conf,
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112 ngx_core_module_init_conf
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113 };
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114
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115
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116 ngx_module_t ngx_core_module = {
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58
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117 NGX_MODULE_V1,
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0
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118 &ngx_core_module_ctx, /* module context */
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119 ngx_core_commands, /* module directives */
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120 NGX_CORE_MODULE, /* module type */
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121 NULL, /* init module */
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122 NULL /* init process */
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123 };
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124
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125
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126 ngx_uint_t ngx_max_module;
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127
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128
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52
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129 int ngx_cdecl
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48
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130 main(int argc, char *const *argv)
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0
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131 {
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2
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132 ngx_int_t i;
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133 ngx_log_t *log;
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134 ngx_cycle_t *cycle, init_cycle;
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135 ngx_core_conf_t *ccf;
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0
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136
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4
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137 #if (NGX_FREEBSD)
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0
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138 ngx_debug_init();
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139 #endif
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140
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141 /* TODO */ ngx_max_sockets = -1;
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142
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143 ngx_time_init();
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144
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4
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145 #if (NGX_PCRE)
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0
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146 ngx_regex_init();
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147 #endif
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148
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149 ngx_pid = ngx_getpid();
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150
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50
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151 log = ngx_log_init();
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152 if (log == NULL) {
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0
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153 return 1;
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154 }
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155
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156 #if (NGX_OPENSSL)
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157 ngx_ssl_init(log);
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158 #endif
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159
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160 /* init_cycle->log is required for signal handlers and ngx_getopt() */
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161
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162 ngx_memzero(&init_cycle, sizeof(ngx_cycle_t));
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163 init_cycle.log = log;
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164 ngx_cycle = &init_cycle;
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165
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50
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166 init_cycle.pool = ngx_create_pool(1024, log);
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167 if (init_cycle.pool == NULL) {
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0
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168 return 1;
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169 }
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170
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4
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171 if (ngx_save_argv(&init_cycle, argc, argv) == NGX_ERROR) {
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2
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172 return 1;
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173 }
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174
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4
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175 if (ngx_getopt(&init_cycle, argc, ngx_argv) == NGX_ERROR) {
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0
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176 return 1;
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177 }
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178
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179 if (ngx_test_config) {
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180 log->log_level = NGX_LOG_INFO;
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181 }
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182
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183 if (ngx_os_init(log) == NGX_ERROR) {
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184 return 1;
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185 }
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186
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187 if (ngx_add_inherited_sockets(&init_cycle) == NGX_ERROR) {
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188 return 1;
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189 }
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190
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191 ngx_max_module = 0;
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192 for (i = 0; ngx_modules[i]; i++) {
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193 ngx_modules[i]->index = ngx_max_module++;
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194 }
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195
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196 cycle = ngx_init_cycle(&init_cycle);
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197 if (cycle == NULL) {
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198 if (ngx_test_config) {
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199 ngx_log_error(NGX_LOG_EMERG, log, 0,
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10
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200 "the configuration file \"%s\" test failed",
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0
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201 init_cycle.conf_file.data);
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202 }
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203
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204 return 1;
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205 }
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206
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207 if (ngx_test_config) {
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208 ngx_log_error(NGX_LOG_INFO, log, 0,
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10
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209 "the configuration file \"%s\" was tested successfully",
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4
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210 cycle->conf_file.data);
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0
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211 return 0;
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212 }
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213
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214 ngx_os_status(cycle->log);
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215
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216 ngx_cycle = cycle;
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217
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218 ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, ngx_core_module);
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219
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220 ngx_process = ccf->master ? NGX_PROCESS_MASTER : NGX_PROCESS_SINGLE;
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221
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10
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222 #if (NGX_WIN32)
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0
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223
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224 #if 0
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225
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226 TODO:
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227
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228 if (ccf->run_as_service) {
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229 if (ngx_service(cycle->log) == NGX_ERROR) {
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230 return 1;
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231 }
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232
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233 return 0;
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234 }
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235 #endif
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236
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237 #else
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238
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88
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239 if (ngx_init_signals(cycle->log) == NGX_ERROR) {
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240 return 1;
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241 }
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242
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0
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243 if (!ngx_inherited && ccf->daemon) {
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244 if (ngx_daemon(cycle->log) == NGX_ERROR) {
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245 return 1;
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246 }
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247
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248 ngx_daemonized = 1;
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249 }
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250
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251 if (ngx_create_pidfile(cycle, NULL) == NGX_ERROR) {
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252 return 1;
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253 }
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254
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255 #endif
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256
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257 if (ngx_process == NGX_PROCESS_MASTER) {
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2
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258 ngx_master_process_cycle(cycle);
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0
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259
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260 } else {
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2
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261 ngx_single_process_cycle(cycle);
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0
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262 }
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263
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264 return 0;
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265 }
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266
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267
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48
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268 static ngx_int_t
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269 ngx_add_inherited_sockets(ngx_cycle_t *cycle)
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0
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270 {
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50
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271 u_char *p, *v, *inherited;
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272 ngx_int_t s;
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273 ngx_listening_t *ls;
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0
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274
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275 inherited = (u_char *) getenv(NGINX_VAR);
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276
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277 if (inherited == NULL) {
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278 return NGX_OK;
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279 }
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280
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10
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281 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0,
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0
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282 "using inherited sockets from \"%s\"", inherited);
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283
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10
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284 if (ngx_array_init(&cycle->listening, cycle->pool, 10,
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285 sizeof(ngx_listening_t)) == NGX_ERROR)
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286 {
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287 return NGX_ERROR;
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288 }
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0
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289
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290 for (p = inherited, v = p; *p; p++) {
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291 if (*p == ':' || *p == ';') {
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292 s = ngx_atoi(v, p - v);
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293 if (s == NGX_ERROR) {
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294 ngx_log_error(NGX_LOG_EMERG, cycle->log, 0,
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86
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295 "invalid socket number \"%s\" in " NGINX_VAR
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296 " environment variable, ignoring the rest"
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297 " of the variable", v);
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0
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298 break;
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299 }
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300
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301 v = p + 1;
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302
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50
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303 ls = ngx_array_push(&cycle->listening);
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304 if (ls == NULL) {
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0
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305 return NGX_ERROR;
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306 }
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307
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72
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308 ngx_memzero(ls, sizeof(ngx_listening_t));
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309
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50
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310 ls->fd = (ngx_socket_t) s;
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0
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311 }
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312 }
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313
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314 ngx_inherited = 1;
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315
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316 return ngx_set_inherited_sockets(cycle);
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317 }
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318
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319
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320 ngx_pid_t ngx_exec_new_binary(ngx_cycle_t *cycle, char *const *argv)
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321 {
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10
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322 char *env[3], *var;
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323 u_char *p;
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0
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324 ngx_uint_t i;
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325 ngx_pid_t pid;
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326 ngx_exec_ctx_t ctx;
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327 ngx_listening_t *ls;
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328
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329 ctx.path = argv[0];
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330 ctx.name = "new binary process";
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331 ctx.argv = argv;
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332
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333 var = ngx_alloc(sizeof(NGINX_VAR)
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50
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334 + cycle->listening.nelts * (NGX_INT32_LEN + 1) + 2,
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0
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335 cycle->log);
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336
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10
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337 p = ngx_cpymem(var, NGINX_VAR "=", sizeof(NGINX_VAR));
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0
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338
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339 ls = cycle->listening.elts;
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340 for (i = 0; i < cycle->listening.nelts; i++) {
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10
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341 p = ngx_sprintf(p, "%ud;", ls[i].fd);
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0
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342 }
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343
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10
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344 *p = '\0';
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345
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0
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346 ngx_log_debug1(NGX_LOG_DEBUG_CORE, cycle->log, 0, "inherited: %s", var);
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347
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348 env[0] = var;
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2
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349
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350 #if (NGX_SETPROCTITLE_USES_ENV)
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351
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10
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352 /* allocate the spare 300 bytes for the new binary process title */
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2
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353
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354 env[1] = "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
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355 "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
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356 "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
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357 "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
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358 "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX";
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359
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360 env[2] = NULL;
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361
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362 #else
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363
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0
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364 env[1] = NULL;
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2
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365
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366 #endif
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367
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0
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368 ctx.envp = (char *const *) &env;
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369
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370 pid = ngx_execute(cycle, &ctx);
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371
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372 ngx_free(var);
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373
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374 return pid;
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375 }
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376
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377
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2
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378 static ngx_int_t ngx_getopt(ngx_cycle_t *cycle, int argc, char *const *argv)
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0
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379 {
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380 ngx_int_t i;
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381
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2
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382 for (i = 1; i < argc; i++) {
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383 if (argv[i][0] != '-') {
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0
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384 ngx_log_error(NGX_LOG_EMERG, cycle->log, 0,
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2
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385 "invalid option: \"%s\"", argv[i]);
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0
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386 return NGX_ERROR;
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387 }
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388
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2
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389 switch (argv[i][1]) {
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0
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390
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391 case 't':
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392 ngx_test_config = 1;
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393 break;
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394
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395 case 'c':
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2
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396 if (argv[i + 1] == NULL) {
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0
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397 ngx_log_error(NGX_LOG_EMERG, cycle->log, 0,
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398 "the option: \"%s\" requires file name",
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2
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399 argv[i]);
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0
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400 return NGX_ERROR;
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401 }
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402
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2
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403 cycle->conf_file.data = (u_char *) argv[++i];
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0
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404 cycle->conf_file.len = ngx_strlen(cycle->conf_file.data);
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405 break;
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406
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407 default:
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408 ngx_log_error(NGX_LOG_EMERG, cycle->log, 0,
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2
|
409 "invalid option: \"%s\"", argv[i]);
|
|
0
|
410 return NGX_ERROR;
|
|
|
411 }
|
|
|
412 }
|
|
|
413
|
|
|
414 if (cycle->conf_file.data == NULL) {
|
|
|
415 cycle->conf_file.len = sizeof(NGX_CONF_PATH) - 1;
|
|
|
416 cycle->conf_file.data = (u_char *) NGX_CONF_PATH;
|
|
|
417 }
|
|
|
418
|
|
|
419 if (ngx_conf_full_name(cycle, &cycle->conf_file) == NGX_ERROR) {
|
|
|
420 return NGX_ERROR;
|
|
|
421 }
|
|
|
422
|
|
|
423 return NGX_OK;
|
|
|
424 }
|
|
|
425
|
|
|
426
|
|
48
|
427 static ngx_int_t
|
|
|
428 ngx_save_argv(ngx_cycle_t *cycle, int argc, char *const *argv)
|
|
2
|
429 {
|
|
50
|
430 #if (NGX_FREEBSD)
|
|
|
431
|
|
|
432 ngx_os_argv = (char **) argv;
|
|
|
433 ngx_argc = argc;
|
|
|
434 ngx_argv = (char **) argv;
|
|
|
435
|
|
|
436 #else
|
|
2
|
437 size_t len;
|
|
|
438 ngx_int_t i;
|
|
|
439
|
|
|
440 ngx_os_argv = (char **) argv;
|
|
|
441 ngx_argc = argc;
|
|
|
442
|
|
50
|
443 ngx_argv = ngx_alloc((argc + 1) * sizeof(char *), cycle->log);
|
|
|
444 if (ngx_argv == NULL) {
|
|
2
|
445 return NGX_ERROR;
|
|
|
446 }
|
|
|
447
|
|
|
448 for (i = 0; i < argc; i++) {
|
|
|
449 len = ngx_strlen(argv[i]) + 1;
|
|
|
450
|
|
50
|
451 ngx_argv[i] = ngx_alloc(len, cycle->log);
|
|
|
452 if (ngx_argv[i] == NULL) {
|
|
2
|
453 return NGX_ERROR;
|
|
|
454 }
|
|
|
455
|
|
66
|
456 (void) ngx_cpystrn((u_char *) ngx_argv[i], (u_char *) argv[i], len);
|
|
2
|
457 }
|
|
|
458
|
|
|
459 ngx_argv[i] = NULL;
|
|
|
460
|
|
|
461 #endif
|
|
|
462
|
|
|
463 return NGX_OK;
|
|
|
464 }
|
|
|
465
|
|
|
466
|
|
48
|
467 static void *
|
|
|
468 ngx_core_module_create_conf(ngx_cycle_t *cycle)
|
|
0
|
469 {
|
|
|
470 ngx_core_conf_t *ccf;
|
|
|
471
|
|
50
|
472 ccf = ngx_pcalloc(cycle->pool, sizeof(ngx_core_conf_t));
|
|
|
473 if (ccf == NULL) {
|
|
0
|
474 return NULL;
|
|
|
475 }
|
|
28
|
476
|
|
|
477 /*
|
|
|
478 * set by pcalloc()
|
|
0
|
479 *
|
|
28
|
480 * ccf->pid = NULL;
|
|
|
481 * ccf->newpid = NULL;
|
|
|
482 * ccf->priority = 0;
|
|
0
|
483 */
|
|
28
|
484
|
|
0
|
485 ccf->daemon = NGX_CONF_UNSET;
|
|
|
486 ccf->master = NGX_CONF_UNSET;
|
|
|
487 ccf->worker_processes = NGX_CONF_UNSET;
|
|
10
|
488 ccf->debug_points = NGX_CONF_UNSET;
|
|
66
|
489 ccf->user = (ngx_uid_t) NGX_CONF_UNSET_UINT;
|
|
|
490 ccf->group = (ngx_gid_t) NGX_CONF_UNSET_UINT;
|
|
0
|
491 #if (NGX_THREADS)
|
|
|
492 ccf->worker_threads = NGX_CONF_UNSET;
|
|
10
|
493 ccf->thread_stack_size = NGX_CONF_UNSET_SIZE;
|
|
0
|
494 #endif
|
|
|
495
|
|
|
496 return ccf;
|
|
|
497 }
|
|
|
498
|
|
|
499
|
|
48
|
500 static char *
|
|
|
501 ngx_core_module_init_conf(ngx_cycle_t *cycle, void *conf)
|
|
0
|
502 {
|
|
|
503 ngx_core_conf_t *ccf = conf;
|
|
|
504
|
|
10
|
505 #if !(NGX_WIN32)
|
|
0
|
506 struct passwd *pwd;
|
|
|
507 struct group *grp;
|
|
|
508 #endif
|
|
|
509
|
|
|
510 ngx_conf_init_value(ccf->daemon, 1);
|
|
|
511 ngx_conf_init_value(ccf->master, 1);
|
|
|
512 ngx_conf_init_value(ccf->worker_processes, 1);
|
|
10
|
513 ngx_conf_init_value(ccf->debug_points, 0);
|
|
0
|
514
|
|
|
515 #if (NGX_THREADS)
|
|
|
516 ngx_conf_init_value(ccf->worker_threads, 0);
|
|
|
517 ngx_threads_n = ccf->worker_threads;
|
|
|
518 ngx_conf_init_size_value(ccf->thread_stack_size, 2 * 1024 * 1024);
|
|
|
519 #endif
|
|
|
520
|
|
10
|
521 #if !(NGX_WIN32)
|
|
0
|
522
|
|
66
|
523 if (ccf->user == (uid_t) NGX_CONF_UNSET_UINT && geteuid() == 0) {
|
|
0
|
524
|
|
4
|
525 pwd = getpwnam(NGX_USER);
|
|
0
|
526 if (pwd == NULL) {
|
|
|
527 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
4
|
528 "getpwnam(\"" NGX_USER "\") failed");
|
|
0
|
529 return NGX_CONF_ERROR;
|
|
|
530 }
|
|
|
531
|
|
22
|
532 ccf->username = NGX_USER;
|
|
0
|
533 ccf->user = pwd->pw_uid;
|
|
|
534
|
|
4
|
535 grp = getgrnam(NGX_GROUP);
|
|
0
|
536 if (grp == NULL) {
|
|
|
537 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
4
|
538 "getgrnam(\"" NGX_GROUP "\") failed");
|
|
0
|
539 return NGX_CONF_ERROR;
|
|
|
540 }
|
|
|
541
|
|
|
542 ccf->group = grp->gr_gid;
|
|
|
543 }
|
|
|
544
|
|
|
545 if (ccf->pid.len == 0) {
|
|
|
546 ccf->pid.len = sizeof(NGX_PID_PATH) - 1;
|
|
2
|
547 ccf->pid.data = (u_char *) NGX_PID_PATH;
|
|
0
|
548 }
|
|
|
549
|
|
|
550 if (ngx_conf_full_name(cycle, &ccf->pid) == NGX_ERROR) {
|
|
|
551 return NGX_CONF_ERROR;
|
|
|
552 }
|
|
|
553
|
|
|
554 ccf->newpid.len = ccf->pid.len + sizeof(NGX_NEWPID_EXT);
|
|
|
555
|
|
50
|
556 ccf->newpid.data = ngx_palloc(cycle->pool, ccf->newpid.len);
|
|
|
557 if (ccf->newpid.data == NULL) {
|
|
0
|
558 return NGX_CONF_ERROR;
|
|
|
559 }
|
|
|
560
|
|
|
561 ngx_memcpy(ngx_cpymem(ccf->newpid.data, ccf->pid.data, ccf->pid.len),
|
|
|
562 NGX_NEWPID_EXT, sizeof(NGX_NEWPID_EXT));
|
|
|
563
|
|
|
564 #endif
|
|
|
565
|
|
|
566 return NGX_CONF_OK;
|
|
|
567 }
|
|
|
568
|
|
|
569
|
|
48
|
570 static char *
|
|
|
571 ngx_set_user(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
0
|
572 {
|
|
10
|
573 #if (NGX_WIN32)
|
|
0
|
574
|
|
|
575 ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
|
|
|
576 "\"user\" is not supported, ignored");
|
|
|
577
|
|
|
578 return NGX_CONF_OK;
|
|
|
579
|
|
|
580 #else
|
|
|
581
|
|
|
582 ngx_core_conf_t *ccf = conf;
|
|
|
583
|
|
4
|
584 char *group;
|
|
0
|
585 struct passwd *pwd;
|
|
|
586 struct group *grp;
|
|
|
587 ngx_str_t *value;
|
|
|
588
|
|
66
|
589 if (ccf->user != (uid_t) NGX_CONF_UNSET_UINT) {
|
|
0
|
590 return "is duplicate";
|
|
|
591 }
|
|
|
592
|
|
4
|
593 if (geteuid() != 0) {
|
|
|
594 ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
|
|
|
595 "the \"user\" directive makes sense only "
|
|
|
596 "if the master process runs "
|
|
|
597 "with super-user privileges, ignored");
|
|
|
598 return NGX_CONF_OK;
|
|
|
599 }
|
|
|
600
|
|
0
|
601 value = (ngx_str_t *) cf->args->elts;
|
|
|
602
|
|
22
|
603 ccf->username = (char *) value[1].data;
|
|
|
604
|
|
0
|
605 pwd = getpwnam((const char *) value[1].data);
|
|
|
606 if (pwd == NULL) {
|
|
|
607 ngx_conf_log_error(NGX_LOG_EMERG, cf, ngx_errno,
|
|
2
|
608 "getpwnam(\"%s\") failed", value[1].data);
|
|
0
|
609 return NGX_CONF_ERROR;
|
|
|
610 }
|
|
|
611
|
|
|
612 ccf->user = pwd->pw_uid;
|
|
|
613
|
|
4
|
614 group = (char *) ((cf->args->nelts == 2) ? value[1].data : value[2].data);
|
|
0
|
615
|
|
4
|
616 grp = getgrnam(group);
|
|
0
|
617 if (grp == NULL) {
|
|
|
618 ngx_conf_log_error(NGX_LOG_EMERG, cf, ngx_errno,
|
|
4
|
619 "getgrnam(\"%s\") failed", group);
|
|
0
|
620 return NGX_CONF_ERROR;
|
|
|
621 }
|
|
|
622
|
|
|
623 ccf->group = grp->gr_gid;
|
|
|
624
|
|
|
625 return NGX_CONF_OK;
|
|
|
626
|
|
|
627 #endif
|
|
|
628 }
|
|
22
|
629
|
|
|
630
|
|
48
|
631 static char *
|
|
|
632 ngx_set_priority(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
22
|
633 {
|
|
|
634 ngx_core_conf_t *ccf = conf;
|
|
|
635
|
|
|
636 ngx_str_t *value;
|
|
|
637 ngx_uint_t n, minus;
|
|
|
638
|
|
|
639 if (ccf->priority != 0) {
|
|
|
640 return "is duplicate";
|
|
|
641 }
|
|
|
642
|
|
|
643 value = cf->args->elts;
|
|
|
644
|
|
|
645 if (value[1].data[0] == '-') {
|
|
|
646 n = 1;
|
|
|
647 minus = 1;
|
|
|
648
|
|
|
649 } else if (value[1].data[0] == '+') {
|
|
|
650 n = 1;
|
|
|
651 minus = 0;
|
|
|
652
|
|
|
653 } else {
|
|
|
654 n = 0;
|
|
|
655 minus = 0;
|
|
|
656 }
|
|
|
657
|
|
|
658 ccf->priority = ngx_atoi(&value[1].data[n], value[1].len - n);
|
|
|
659 if (ccf->priority == NGX_ERROR) {
|
|
|
660 return "invalid number";
|
|
|
661 }
|
|
|
662
|
|
|
663 if (minus) {
|
|
|
664 ccf->priority = -ccf->priority;
|
|
|
665 }
|
|
|
666
|
|
|
667 return NGX_CONF_OK;
|
|
|
668 }
|
