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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126
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20 static char *ngx_set_cpu_affinity(ngx_conf_t *cf, ngx_command_t *cmd,
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21 void *conf);
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0
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22
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23
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10
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24 static ngx_conf_enum_t ngx_debug_points[] = {
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25 { ngx_string("stop"), NGX_DEBUG_POINTS_STOP },
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26 { ngx_string("abort"), NGX_DEBUG_POINTS_ABORT },
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27 { ngx_null_string, 0 }
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126
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28 };
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10
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29
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30
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0
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31 static ngx_command_t ngx_core_commands[] = {
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32
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33 { ngx_string("daemon"),
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112
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34 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_FLAG,
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0
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35 ngx_conf_set_flag_slot,
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36 0,
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37 offsetof(ngx_core_conf_t, daemon),
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38 NULL },
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39
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40 { ngx_string("master_process"),
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112
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41 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_FLAG,
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0
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42 ngx_conf_set_flag_slot,
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43 0,
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44 offsetof(ngx_core_conf_t, master),
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45 NULL },
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46
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112
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47 { ngx_string("timer_resolution"),
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48 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
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49 ngx_conf_set_msec_slot,
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50 0,
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51 offsetof(ngx_core_conf_t, timer_resolution),
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52 NULL },
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53
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92
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54 { ngx_string("pid"),
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55 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
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56 ngx_conf_set_str_slot,
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57 0,
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58 offsetof(ngx_core_conf_t, pid),
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59 NULL },
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60
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160
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61 { ngx_string("lock_file"),
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62 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
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63 ngx_conf_set_str_slot,
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64 0,
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65 offsetof(ngx_core_conf_t, lock_file),
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66 NULL },
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67
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0
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68 { ngx_string("worker_processes"),
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69 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
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70 ngx_conf_set_num_slot,
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71 0,
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72 offsetof(ngx_core_conf_t, worker_processes),
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73 NULL },
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74
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10
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75 { ngx_string("debug_points"),
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76 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
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77 ngx_conf_set_enum_slot,
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78 0,
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79 offsetof(ngx_core_conf_t, debug_points),
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80 &ngx_debug_points },
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81
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92
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82 { ngx_string("user"),
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83 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE12,
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84 ngx_set_user,
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85 0,
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86 0,
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87 NULL },
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88
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89 { ngx_string("worker_priority"),
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90 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
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91 ngx_set_priority,
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92 0,
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93 0,
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94 NULL },
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95
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126
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96 { ngx_string("worker_cpu_affinity"),
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97 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_1MORE,
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98 ngx_set_cpu_affinity,
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99 0,
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100 0,
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101 NULL },
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102
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92
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103 { ngx_string("worker_rlimit_nofile"),
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104 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
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105 ngx_conf_set_num_slot,
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106 0,
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107 offsetof(ngx_core_conf_t, rlimit_nofile),
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108 NULL },
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109
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138
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110 { ngx_string("worker_rlimit_core"),
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111 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
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112 ngx_conf_set_num_slot,
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113 0,
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114 offsetof(ngx_core_conf_t, rlimit_core),
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115 NULL },
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116
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92
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117 { ngx_string("worker_rlimit_sigpending"),
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118 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
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119 ngx_conf_set_num_slot,
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120 0,
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121 offsetof(ngx_core_conf_t, rlimit_sigpending),
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122 NULL },
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123
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124 { ngx_string("working_directory"),
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125 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
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126 ngx_conf_set_str_slot,
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127 0,
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128 offsetof(ngx_core_conf_t, working_directory),
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129 NULL },
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130
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0
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131 #if (NGX_THREADS)
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132
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133 { ngx_string("worker_threads"),
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134 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
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135 ngx_conf_set_num_slot,
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136 0,
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137 offsetof(ngx_core_conf_t, worker_threads),
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138 NULL },
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139
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140 { ngx_string("thread_stack_size"),
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141 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
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142 ngx_conf_set_size_slot,
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143 0,
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144 offsetof(ngx_core_conf_t, thread_stack_size),
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145 NULL },
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146
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147 #endif
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148
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149 ngx_null_command
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150 };
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151
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152
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153 static ngx_core_module_t ngx_core_module_ctx = {
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154 ngx_string("core"),
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155 ngx_core_module_create_conf,
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156 ngx_core_module_init_conf
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157 };
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158
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159
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160 ngx_module_t ngx_core_module = {
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58
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161 NGX_MODULE_V1,
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0
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162 &ngx_core_module_ctx, /* module context */
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163 ngx_core_commands, /* module directives */
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164 NGX_CORE_MODULE, /* module type */
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90
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165 NULL, /* init master */
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0
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166 NULL, /* init module */
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90
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167 NULL, /* init process */
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168 NULL, /* init thread */
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169 NULL, /* exit thread */
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170 NULL, /* exit process */
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171 NULL, /* exit master */
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172 NGX_MODULE_V1_PADDING
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0
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173 };
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174
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175
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176 ngx_uint_t ngx_max_module;
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177
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188
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178 static ngx_uint_t ngx_show_version;
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179
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180 static char *ngx_null_environ = NULL;
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150
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181
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0
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182
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52
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183 int ngx_cdecl
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48
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184 main(int argc, char *const *argv)
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0
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185 {
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2
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186 ngx_int_t i;
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187 ngx_log_t *log;
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188 ngx_cycle_t *cycle, init_cycle;
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189 ngx_core_conf_t *ccf;
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0
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190
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4
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191 #if (NGX_FREEBSD)
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0
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192 ngx_debug_init();
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193 #endif
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194
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195 /* TODO */ ngx_max_sockets = -1;
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196
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197 ngx_time_init();
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198
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4
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199 #if (NGX_PCRE)
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0
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200 ngx_regex_init();
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201 #endif
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202
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203 ngx_pid = ngx_getpid();
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204
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50
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205 log = ngx_log_init();
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206 if (log == NULL) {
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0
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207 return 1;
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208 }
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209
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90
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210 /* STUB */
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0
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211 #if (NGX_OPENSSL)
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212 ngx_ssl_init(log);
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213 #endif
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214
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215 /* init_cycle->log is required for signal handlers and ngx_getopt() */
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216
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217 ngx_memzero(&init_cycle, sizeof(ngx_cycle_t));
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218 init_cycle.log = log;
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219 ngx_cycle = &init_cycle;
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220
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50
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221 init_cycle.pool = ngx_create_pool(1024, log);
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222 if (init_cycle.pool == NULL) {
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0
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223 return 1;
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224 }
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225
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160
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226 if (ngx_save_argv(&init_cycle, argc, argv) != NGX_OK) {
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2
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227 return 1;
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228 }
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229
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160
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230 if (ngx_getopt(&init_cycle, argc, ngx_argv) != NGX_OK) {
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0
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231 return 1;
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232 }
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233
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188
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234 if (ngx_show_version) {
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235 ngx_write_fd(ngx_stderr_fileno, "nginx version: " NGINX_VER CRLF,
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236 sizeof("nginx version: " NGINX_VER CRLF) - 1);
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237
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238 #ifdef NGX_COMPILER
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239 ngx_write_fd(ngx_stderr_fileno, "built by " NGX_COMPILER CRLF,
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240 sizeof("built by " NGX_COMPILER CRLF) - 1);
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241 #endif
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190
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242 if (!ngx_test_config) {
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243 return 0;
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244 }
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188
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245 }
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246
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0
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247 if (ngx_test_config) {
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248 log->log_level = NGX_LOG_INFO;
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249 }
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250
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160
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251 if (ngx_os_init(log) != NGX_OK) {
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0
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252 return 1;
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253 }
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254
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160
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255 if (ngx_add_inherited_sockets(&init_cycle) != NGX_OK) {
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0
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256 return 1;
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257 }
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258
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150
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259 environ = &ngx_null_environ;
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260
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0
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261 ngx_max_module = 0;
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262 for (i = 0; ngx_modules[i]; i++) {
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263 ngx_modules[i]->index = ngx_max_module++;
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264 }
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265
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266 cycle = ngx_init_cycle(&init_cycle);
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267 if (cycle == NULL) {
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268 if (ngx_test_config) {
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269 ngx_log_error(NGX_LOG_EMERG, log, 0,
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106
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270 "the configuration file %s test failed",
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0
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271 init_cycle.conf_file.data);
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272 }
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273
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274 return 1;
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275 }
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276
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277 if (ngx_test_config) {
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278 ngx_log_error(NGX_LOG_INFO, log, 0,
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106
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279 "the configuration file %s was tested successfully",
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4
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280 cycle->conf_file.data);
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0
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281 return 0;
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282 }
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283
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284 ngx_os_status(cycle->log);
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285
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250
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286 if (ngx_crc32_init(cycle->pool) != NGX_OK) {
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287 return 1;
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288 }
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289
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0
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290 ngx_cycle = cycle;
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291
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292 ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, ngx_core_module);
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293
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294 ngx_process = ccf->master ? NGX_PROCESS_MASTER : NGX_PROCESS_SINGLE;
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295
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10
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296 #if (NGX_WIN32)
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0
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297
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298 #if 0
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299
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300 TODO:
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301
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302 if (ccf->run_as_service) {
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160
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303 if (ngx_service(cycle->log) != NGX_OK) {
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0
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304 return 1;
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305 }
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306
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307 return 0;
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308 }
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309 #endif
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310
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311 #else
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312
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160
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313 if (ngx_init_signals(cycle->log) != NGX_OK) {
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88
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314 return 1;
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315 }
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316
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0
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317 if (!ngx_inherited && ccf->daemon) {
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160
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318 if (ngx_daemon(cycle->log) != NGX_OK) {
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0
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319 return 1;
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320 }
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321
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322 ngx_daemonized = 1;
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323 }
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324
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160
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325 if (ngx_create_pidfile(&ccf->pid, cycle->log) != NGX_OK) {
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0
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326 return 1;
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327 }
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328
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329 #endif
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330
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331 if (ngx_process == NGX_PROCESS_MASTER) {
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2
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332 ngx_master_process_cycle(cycle);
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0
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333
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334 } else {
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2
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335 ngx_single_process_cycle(cycle);
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0
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336 }
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337
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338 return 0;
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339 }
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340
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341
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48
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342 static ngx_int_t
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343 ngx_add_inherited_sockets(ngx_cycle_t *cycle)
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0
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344 {
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50
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345 u_char *p, *v, *inherited;
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346 ngx_int_t s;
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347 ngx_listening_t *ls;
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0
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348
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349 inherited = (u_char *) getenv(NGINX_VAR);
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350
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351 if (inherited == NULL) {
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352 return NGX_OK;
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353 }
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354
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10
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355 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0,
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0
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356 "using inherited sockets from \"%s\"", inherited);
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357
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10
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358 if (ngx_array_init(&cycle->listening, cycle->pool, 10,
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242
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359 sizeof(ngx_listening_t))
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360 == NGX_ERROR)
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10
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361 {
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362 return NGX_ERROR;
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363 }
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0
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364
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365 for (p = inherited, v = p; *p; p++) {
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366 if (*p == ':' || *p == ';') {
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367 s = ngx_atoi(v, p - v);
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368 if (s == NGX_ERROR) {
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369 ngx_log_error(NGX_LOG_EMERG, cycle->log, 0,
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86
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370 "invalid socket number \"%s\" in " NGINX_VAR
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371 " environment variable, ignoring the rest"
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372 " of the variable", v);
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0
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373 break;
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374 }
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375
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376 v = p + 1;
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377
|
50
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378 ls = ngx_array_push(&cycle->listening);
|
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379 if (ls == NULL) {
|
0
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380 return NGX_ERROR;
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381 }
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382
|
72
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383 ngx_memzero(ls, sizeof(ngx_listening_t));
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384
|
50
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385 ls->fd = (ngx_socket_t) s;
|
0
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386 }
|
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387 }
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388
|
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389 ngx_inherited = 1;
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390
|
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391 return ngx_set_inherited_sockets(cycle);
|
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392 }
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393
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394
|
92
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395 ngx_pid_t
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396 ngx_exec_new_binary(ngx_cycle_t *cycle, char *const *argv)
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0
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397 {
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10
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398 char *env[3], *var;
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399 u_char *p;
|
0
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400 ngx_uint_t i;
|
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401 ngx_pid_t pid;
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402 ngx_exec_ctx_t ctx;
|
92
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403 ngx_core_conf_t *ccf;
|
0
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404 ngx_listening_t *ls;
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405
|
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406 ctx.path = argv[0];
|
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407 ctx.name = "new binary process";
|
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408 ctx.argv = argv;
|
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409
|
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410 var = ngx_alloc(sizeof(NGINX_VAR)
|
50
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411 + cycle->listening.nelts * (NGX_INT32_LEN + 1) + 2,
|
0
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412 cycle->log);
|
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413
|
10
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414 p = ngx_cpymem(var, NGINX_VAR "=", sizeof(NGINX_VAR));
|
0
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415
|
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416 ls = cycle->listening.elts;
|
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417 for (i = 0; i < cycle->listening.nelts; i++) {
|
10
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418 p = ngx_sprintf(p, "%ud;", ls[i].fd);
|
0
|
419 }
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420
|
10
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421 *p = '\0';
|
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422
|
0
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423 ngx_log_debug1(NGX_LOG_DEBUG_CORE, cycle->log, 0, "inherited: %s", var);
|
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424
|
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425 env[0] = var;
|
2
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426
|
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427 #if (NGX_SETPROCTITLE_USES_ENV)
|
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428
|
10
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429 /* allocate the spare 300 bytes for the new binary process title */
|
2
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430
|
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431 env[1] = "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
|
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432 "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
|
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433 "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
|
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434 "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
|
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435 "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX";
|
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436
|
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437 env[2] = NULL;
|
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438
|
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439 #else
|
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440
|
0
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441 env[1] = NULL;
|
2
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442
|
|
443 #endif
|
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444
|
0
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445 ctx.envp = (char *const *) &env;
|
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446
|
92
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447 ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, ngx_core_module);
|
|
448
|
182
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449 if (ngx_rename_file(ccf->pid.data, ccf->oldpid.data)
|
92
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450 != NGX_OK)
|
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451 {
|
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452 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
|
|
453 ngx_rename_file_n " %s to %s failed "
|
|
454 "before executing new binary process \"%s\"",
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455 ccf->pid.data, ccf->oldpid.data, argv[0]);
|
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456
|
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457 ngx_free(var);
|
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458
|
|
459 return NGX_INVALID_PID;
|
|
460 }
|
|
461
|
0
|
462 pid = ngx_execute(cycle, &ctx);
|
|
463
|
92
|
464 if (pid == NGX_INVALID_PID) {
|
182
|
465 if (ngx_rename_file(ccf->oldpid.data, ccf->pid.data)
|
92
|
466 != NGX_OK)
|
|
467 {
|
|
468 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
|
|
469 ngx_rename_file_n " %s back to %s failed "
|
|
470 "after try to executing new binary process \"%s\"",
|
|
471 ccf->oldpid.data, ccf->pid.data, argv[0]);
|
|
472 }
|
|
473 }
|
|
474
|
0
|
475 ngx_free(var);
|
|
476
|
|
477 return pid;
|
|
478 }
|
|
479
|
|
480
|
92
|
481 static ngx_int_t
|
|
482 ngx_getopt(ngx_cycle_t *cycle, int argc, char *const *argv)
|
0
|
483 {
|
|
484 ngx_int_t i;
|
|
485
|
2
|
486 for (i = 1; i < argc; i++) {
|
|
487 if (argv[i][0] != '-') {
|
0
|
488 ngx_log_error(NGX_LOG_EMERG, cycle->log, 0,
|
2
|
489 "invalid option: \"%s\"", argv[i]);
|
0
|
490 return NGX_ERROR;
|
|
491 }
|
|
492
|
2
|
493 switch (argv[i][1]) {
|
0
|
494
|
188
|
495 case 'v':
|
|
496 ngx_show_version = 1;
|
|
497 break;
|
|
498
|
0
|
499 case 't':
|
|
500 ngx_test_config = 1;
|
|
501 break;
|
|
502
|
|
503 case 'c':
|
2
|
504 if (argv[i + 1] == NULL) {
|
0
|
505 ngx_log_error(NGX_LOG_EMERG, cycle->log, 0,
|
|
506 "the option: \"%s\" requires file name",
|
2
|
507 argv[i]);
|
0
|
508 return NGX_ERROR;
|
|
509 }
|
|
510
|
2
|
511 cycle->conf_file.data = (u_char *) argv[++i];
|
0
|
512 cycle->conf_file.len = ngx_strlen(cycle->conf_file.data);
|
|
513 break;
|
|
514
|
|
515 default:
|
|
516 ngx_log_error(NGX_LOG_EMERG, cycle->log, 0,
|
2
|
517 "invalid option: \"%s\"", argv[i]);
|
0
|
518 return NGX_ERROR;
|
|
519 }
|
|
520 }
|
|
521
|
|
522 if (cycle->conf_file.data == NULL) {
|
|
523 cycle->conf_file.len = sizeof(NGX_CONF_PATH) - 1;
|
|
524 cycle->conf_file.data = (u_char *) NGX_CONF_PATH;
|
|
525 }
|
|
526
|
|
527 if (ngx_conf_full_name(cycle, &cycle->conf_file) == NGX_ERROR) {
|
|
528 return NGX_ERROR;
|
|
529 }
|
|
530
|
|
531 return NGX_OK;
|
|
532 }
|
|
533
|
|
534
|
48
|
535 static ngx_int_t
|
|
536 ngx_save_argv(ngx_cycle_t *cycle, int argc, char *const *argv)
|
2
|
537 {
|
50
|
538 #if (NGX_FREEBSD)
|
|
539
|
|
540 ngx_os_argv = (char **) argv;
|
|
541 ngx_argc = argc;
|
|
542 ngx_argv = (char **) argv;
|
|
543
|
|
544 #else
|
2
|
545 size_t len;
|
|
546 ngx_int_t i;
|
|
547
|
|
548 ngx_os_argv = (char **) argv;
|
|
549 ngx_argc = argc;
|
|
550
|
50
|
551 ngx_argv = ngx_alloc((argc + 1) * sizeof(char *), cycle->log);
|
|
552 if (ngx_argv == NULL) {
|
2
|
553 return NGX_ERROR;
|
|
554 }
|
|
555
|
|
556 for (i = 0; i < argc; i++) {
|
|
557 len = ngx_strlen(argv[i]) + 1;
|
|
558
|
50
|
559 ngx_argv[i] = ngx_alloc(len, cycle->log);
|
|
560 if (ngx_argv[i] == NULL) {
|
2
|
561 return NGX_ERROR;
|
|
562 }
|
|
563
|
66
|
564 (void) ngx_cpystrn((u_char *) ngx_argv[i], (u_char *) argv[i], len);
|
2
|
565 }
|
|
566
|
|
567 ngx_argv[i] = NULL;
|
|
568
|
|
569 #endif
|
|
570
|
|
571 return NGX_OK;
|
|
572 }
|
|
573
|
|
574
|
48
|
575 static void *
|
|
576 ngx_core_module_create_conf(ngx_cycle_t *cycle)
|
0
|
577 {
|
|
578 ngx_core_conf_t *ccf;
|
|
579
|
50
|
580 ccf = ngx_pcalloc(cycle->pool, sizeof(ngx_core_conf_t));
|
|
581 if (ccf == NULL) {
|
0
|
582 return NULL;
|
|
583 }
|
28
|
584
|
|
585 /*
|
|
586 * set by pcalloc()
|
0
|
587 *
|
28
|
588 * ccf->pid = NULL;
|
92
|
589 * ccf->oldpid = NULL;
|
28
|
590 * ccf->priority = 0;
|
126
|
591 * ccf->cpu_affinity_n = 0;
|
|
592 * ccf->cpu_affinity = NULL;
|
0
|
593 */
|
28
|
594
|
0
|
595 ccf->daemon = NGX_CONF_UNSET;
|
|
596 ccf->master = NGX_CONF_UNSET;
|
112
|
597 ccf->timer_resolution = NGX_CONF_UNSET_MSEC;
|
|
598
|
0
|
599 ccf->worker_processes = NGX_CONF_UNSET;
|
10
|
600 ccf->debug_points = NGX_CONF_UNSET;
|
92
|
601
|
|
602 ccf->rlimit_nofile = NGX_CONF_UNSET;
|
138
|
603 ccf->rlimit_core = NGX_CONF_UNSET;
|
92
|
604 ccf->rlimit_sigpending = NGX_CONF_UNSET;
|
|
605
|
66
|
606 ccf->user = (ngx_uid_t) NGX_CONF_UNSET_UINT;
|
|
607 ccf->group = (ngx_gid_t) NGX_CONF_UNSET_UINT;
|
92
|
608
|
0
|
609 #if (NGX_THREADS)
|
|
610 ccf->worker_threads = NGX_CONF_UNSET;
|
10
|
611 ccf->thread_stack_size = NGX_CONF_UNSET_SIZE;
|
0
|
612 #endif
|
|
613
|
|
614 return ccf;
|
|
615 }
|
|
616
|
|
617
|
48
|
618 static char *
|
|
619 ngx_core_module_init_conf(ngx_cycle_t *cycle, void *conf)
|
0
|
620 {
|
|
621 ngx_core_conf_t *ccf = conf;
|
|
622
|
10
|
623 #if !(NGX_WIN32)
|
0
|
624 struct passwd *pwd;
|
|
625 struct group *grp;
|
|
626 #endif
|
|
627
|
|
628 ngx_conf_init_value(ccf->daemon, 1);
|
|
629 ngx_conf_init_value(ccf->master, 1);
|
112
|
630 ngx_conf_init_msec_value(ccf->timer_resolution, 0);
|
|
631
|
0
|
632 ngx_conf_init_value(ccf->worker_processes, 1);
|
10
|
633 ngx_conf_init_value(ccf->debug_points, 0);
|
0
|
634
|
126
|
635 #if (NGX_HAVE_SCHED_SETAFFINITY)
|
|
636
|
|
637 if (ccf->cpu_affinity_n
|
|
638 && ccf->cpu_affinity_n != 1
|
|
639 && ccf->cpu_affinity_n != (ngx_uint_t) ccf->worker_processes)
|
|
640 {
|
|
641 ngx_log_error(NGX_LOG_WARN, cycle->log, 0,
|
|
642 "number of the \"worker_processes\" is not equal to "
|
|
643 "the number of the \"worker_cpu_affinity\" mask, "
|
|
644 "using last mask for remaining worker processes");
|
|
645 }
|
|
646
|
|
647 #endif
|
|
648
|
0
|
649 #if (NGX_THREADS)
|
126
|
650
|
0
|
651 ngx_conf_init_value(ccf->worker_threads, 0);
|
|
652 ngx_threads_n = ccf->worker_threads;
|
|
653 ngx_conf_init_size_value(ccf->thread_stack_size, 2 * 1024 * 1024);
|
126
|
654
|
0
|
655 #endif
|
|
656
|
10
|
657 #if !(NGX_WIN32)
|
0
|
658
|
66
|
659 if (ccf->user == (uid_t) NGX_CONF_UNSET_UINT && geteuid() == 0) {
|
0
|
660
|
4
|
661 pwd = getpwnam(NGX_USER);
|
0
|
662 if (pwd == NULL) {
|
|
663 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
4
|
664 "getpwnam(\"" NGX_USER "\") failed");
|
0
|
665 return NGX_CONF_ERROR;
|
|
666 }
|
|
667
|
22
|
668 ccf->username = NGX_USER;
|
0
|
669 ccf->user = pwd->pw_uid;
|
|
670
|
4
|
671 grp = getgrnam(NGX_GROUP);
|
0
|
672 if (grp == NULL) {
|
|
673 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
4
|
674 "getgrnam(\"" NGX_GROUP "\") failed");
|
0
|
675 return NGX_CONF_ERROR;
|
|
676 }
|
|
677
|
|
678 ccf->group = grp->gr_gid;
|
|
679 }
|
|
680
|
|
681 if (ccf->pid.len == 0) {
|
|
682 ccf->pid.len = sizeof(NGX_PID_PATH) - 1;
|
2
|
683 ccf->pid.data = (u_char *) NGX_PID_PATH;
|
0
|
684 }
|
|
685
|
|
686 if (ngx_conf_full_name(cycle, &ccf->pid) == NGX_ERROR) {
|
|
687 return NGX_CONF_ERROR;
|
|
688 }
|
|
689
|
92
|
690 ccf->oldpid.len = ccf->pid.len + sizeof(NGX_OLDPID_EXT);
|
0
|
691
|
92
|
692 ccf->oldpid.data = ngx_palloc(cycle->pool, ccf->oldpid.len);
|
|
693 if (ccf->oldpid.data == NULL) {
|
0
|
694 return NGX_CONF_ERROR;
|
|
695 }
|
|
696
|
92
|
697 ngx_memcpy(ngx_cpymem(ccf->oldpid.data, ccf->pid.data, ccf->pid.len),
|
|
698 NGX_OLDPID_EXT, sizeof(NGX_OLDPID_EXT));
|
0
|
699
|
160
|
700 if (ccf->lock_file.len == 0) {
|
|
701 ccf->lock_file.len = sizeof(NGX_LOCK_PATH) - 1;
|
|
702 ccf->lock_file.data = (u_char *) NGX_LOCK_PATH;
|
|
703 }
|
|
704
|
|
705 if (ngx_conf_full_name(cycle, &ccf->lock_file) == NGX_ERROR) {
|
|
706 return NGX_CONF_ERROR;
|
|
707 }
|
|
708
|
0
|
709 #endif
|
|
710
|
|
711 return NGX_CONF_OK;
|
|
712 }
|
|
713
|
|
714
|
48
|
715 static char *
|
|
716 ngx_set_user(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
0
|
717 {
|
10
|
718 #if (NGX_WIN32)
|
0
|
719
|
|
720 ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
|
|
721 "\"user\" is not supported, ignored");
|
|
722
|
|
723 return NGX_CONF_OK;
|
|
724
|
|
725 #else
|
|
726
|
|
727 ngx_core_conf_t *ccf = conf;
|
|
728
|
4
|
729 char *group;
|
0
|
730 struct passwd *pwd;
|
|
731 struct group *grp;
|
|
732 ngx_str_t *value;
|
|
733
|
66
|
734 if (ccf->user != (uid_t) NGX_CONF_UNSET_UINT) {
|
0
|
735 return "is duplicate";
|
|
736 }
|
|
737
|
4
|
738 if (geteuid() != 0) {
|
|
739 ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
|
|
740 "the \"user\" directive makes sense only "
|
|
741 "if the master process runs "
|
|
742 "with super-user privileges, ignored");
|
|
743 return NGX_CONF_OK;
|
|
744 }
|
|
745
|
0
|
746 value = (ngx_str_t *) cf->args->elts;
|
|
747
|
22
|
748 ccf->username = (char *) value[1].data;
|
|
749
|
0
|
750 pwd = getpwnam((const char *) value[1].data);
|
|
751 if (pwd == NULL) {
|
|
752 ngx_conf_log_error(NGX_LOG_EMERG, cf, ngx_errno,
|
2
|
753 "getpwnam(\"%s\") failed", value[1].data);
|
0
|
754 return NGX_CONF_ERROR;
|
|
755 }
|
|
756
|
|
757 ccf->user = pwd->pw_uid;
|
|
758
|
4
|
759 group = (char *) ((cf->args->nelts == 2) ? value[1].data : value[2].data);
|
0
|
760
|
4
|
761 grp = getgrnam(group);
|
0
|
762 if (grp == NULL) {
|
|
763 ngx_conf_log_error(NGX_LOG_EMERG, cf, ngx_errno,
|
4
|
764 "getgrnam(\"%s\") failed", group);
|
0
|
765 return NGX_CONF_ERROR;
|
|
766 }
|
|
767
|
|
768 ccf->group = grp->gr_gid;
|
|
769
|
|
770 return NGX_CONF_OK;
|
|
771
|
|
772 #endif
|
|
773 }
|
22
|
774
|
|
775
|
48
|
776 static char *
|
|
777 ngx_set_priority(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
22
|
778 {
|
|
779 ngx_core_conf_t *ccf = conf;
|
|
780
|
|
781 ngx_str_t *value;
|
|
782 ngx_uint_t n, minus;
|
|
783
|
|
784 if (ccf->priority != 0) {
|
|
785 return "is duplicate";
|
|
786 }
|
|
787
|
|
788 value = cf->args->elts;
|
|
789
|
|
790 if (value[1].data[0] == '-') {
|
|
791 n = 1;
|
|
792 minus = 1;
|
|
793
|
|
794 } else if (value[1].data[0] == '+') {
|
|
795 n = 1;
|
|
796 minus = 0;
|
|
797
|
|
798 } else {
|
|
799 n = 0;
|
|
800 minus = 0;
|
|
801 }
|
|
802
|
|
803 ccf->priority = ngx_atoi(&value[1].data[n], value[1].len - n);
|
|
804 if (ccf->priority == NGX_ERROR) {
|
|
805 return "invalid number";
|
|
806 }
|
|
807
|
|
808 if (minus) {
|
|
809 ccf->priority = -ccf->priority;
|
|
810 }
|
|
811
|
|
812 return NGX_CONF_OK;
|
|
813 }
|
126
|
814
|
|
815
|
|
816 static char *
|
|
817 ngx_set_cpu_affinity(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
818 {
|
|
819 #if (NGX_HAVE_SCHED_SETAFFINITY)
|
|
820 ngx_core_conf_t *ccf = conf;
|
|
821
|
|
822 u_char ch;
|
|
823 u_long *mask;
|
|
824 ngx_str_t *value;
|
|
825 ngx_uint_t i, n;
|
|
826
|
|
827 if (ccf->cpu_affinity) {
|
|
828 return "is duplicate";
|
|
829 }
|
|
830
|
|
831 mask = ngx_palloc(cf->pool, (cf->args->nelts - 1) * sizeof(long));
|
|
832 if (mask == NULL) {
|
|
833 return NGX_CONF_ERROR;
|
|
834 }
|
|
835
|
|
836 ccf->cpu_affinity_n = cf->args->nelts - 1;
|
|
837 ccf->cpu_affinity = mask;
|
|
838
|
|
839 value = cf->args->elts;
|
|
840
|
|
841 for (n = 1; n < cf->args->nelts; n++) {
|
|
842
|
|
843 if (value[n].len > 32) {
|
|
844 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
845 "\"worker_cpu_affinity\" supports up to 32 CPU only");
|
|
846 return NGX_CONF_ERROR;
|
|
847 }
|
|
848
|
|
849 mask[n - 1] = 0;
|
|
850
|
|
851 for (i = 0; i < value[n].len; i++) {
|
|
852
|
|
853 ch = value[n].data[i];
|
|
854
|
|
855 if (ch == ' ') {
|
|
856 continue;
|
|
857 }
|
|
858
|
|
859 mask[n - 1] <<= 1;
|
|
860
|
|
861 if (ch == '0') {
|
|
862 continue;
|
|
863 }
|
|
864
|
|
865 if (ch == '1') {
|
|
866 mask[n - 1] |= 1;
|
|
867 continue;
|
|
868 }
|
|
869
|
|
870 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
871 "invalid character \"%c\" in \"worker_cpu_affinity\"",
|
|
872 ch);
|
|
873 return NGX_CONF_ERROR ;
|
|
874 }
|
|
875 }
|
|
876
|
|
877 #else
|
|
878
|
|
879 ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
|
|
880 "\"worker_cpu_affinity\" is not supported "
|
|
881 "on this platform, ignored");
|
|
882 #endif
|
|
883
|
|
884 return NGX_CONF_OK;
|
|
885 }
|
|
886
|
|
887
|
|
888 u_long
|
|
889 ngx_get_cpu_affinity(ngx_uint_t n)
|
|
890 {
|
|
891 ngx_core_conf_t *ccf;
|
|
892
|
|
893 ccf = (ngx_core_conf_t *) ngx_get_conf(ngx_cycle->conf_ctx,
|
|
894 ngx_core_module);
|
|
895
|
|
896 if (ccf->cpu_affinity == NULL) {
|
|
897 return 0;
|
|
898 }
|
|
899
|
|
900 if (ccf->cpu_affinity_n > n) {
|
|
901 return ccf->cpu_affinity[n];
|
|
902 }
|
|
903
|
|
904 return ccf->cpu_affinity[ccf->cpu_affinity_n - 1];
|
|
905 }
|