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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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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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270
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112 ngx_conf_set_size_slot,
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138
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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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270
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179 static ngx_uint_t ngx_show_configure;
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188
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180
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181 static char *ngx_null_environ = NULL;
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150
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182
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0
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183
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52
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184 int ngx_cdecl
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48
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185 main(int argc, char *const *argv)
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0
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186 {
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2
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187 ngx_int_t i;
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188 ngx_log_t *log;
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189 ngx_cycle_t *cycle, init_cycle;
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190 ngx_core_conf_t *ccf;
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0
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191
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4
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192 #if (NGX_FREEBSD)
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0
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193 ngx_debug_init();
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194 #endif
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195
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196 /* TODO */ ngx_max_sockets = -1;
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197
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198 ngx_time_init();
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199
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4
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200 #if (NGX_PCRE)
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0
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201 ngx_regex_init();
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202 #endif
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203
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204 ngx_pid = ngx_getpid();
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205
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50
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206 log = ngx_log_init();
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207 if (log == NULL) {
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0
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208 return 1;
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209 }
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210
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90
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211 /* STUB */
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0
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212 #if (NGX_OPENSSL)
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213 ngx_ssl_init(log);
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214 #endif
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215
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216 /* init_cycle->log is required for signal handlers and ngx_getopt() */
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217
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218 ngx_memzero(&init_cycle, sizeof(ngx_cycle_t));
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219 init_cycle.log = log;
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220 ngx_cycle = &init_cycle;
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221
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50
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222 init_cycle.pool = ngx_create_pool(1024, log);
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223 if (init_cycle.pool == NULL) {
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0
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224 return 1;
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225 }
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226
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160
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227 if (ngx_save_argv(&init_cycle, argc, argv) != NGX_OK) {
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2
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228 return 1;
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229 }
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230
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160
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231 if (ngx_getopt(&init_cycle, argc, ngx_argv) != NGX_OK) {
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0
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232 return 1;
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233 }
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234
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188
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235 if (ngx_show_version) {
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236 ngx_write_fd(ngx_stderr_fileno, "nginx version: " NGINX_VER CRLF,
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237 sizeof("nginx version: " NGINX_VER CRLF) - 1);
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238
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270
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239 if (ngx_show_configure) {
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188
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240 #ifdef NGX_COMPILER
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270
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241 ngx_write_fd(ngx_stderr_fileno, "built by " NGX_COMPILER CRLF,
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242 sizeof("built by " NGX_COMPILER CRLF) - 1);
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188
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243 #endif
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270
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244
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245 #ifndef __WATCOMC__
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246
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247 /* OpenWatcomC could not build the long NGX_CONFIGURE string */
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248
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249 ngx_write_fd(ngx_stderr_fileno,
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250 "configure arguments: " NGX_CONFIGURE CRLF,
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251 sizeof("configure arguments :" NGX_CONFIGURE CRLF) - 1);
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252 #endif
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253 }
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254
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190
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255 if (!ngx_test_config) {
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256 return 0;
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257 }
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188
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258 }
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259
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0
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260 if (ngx_test_config) {
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261 log->log_level = NGX_LOG_INFO;
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262 }
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263
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160
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264 if (ngx_os_init(log) != NGX_OK) {
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0
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265 return 1;
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266 }
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267
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270
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268 /* ngx_crc32_init() requires ngx_cacheline_size set in ngx_os_init() */
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269
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270 if (ngx_crc32_init() != NGX_OK) {
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271 return 1;
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272 }
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273
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160
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274 if (ngx_add_inherited_sockets(&init_cycle) != NGX_OK) {
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0
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275 return 1;
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276 }
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277
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150
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278 environ = &ngx_null_environ;
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279
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0
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280 ngx_max_module = 0;
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281 for (i = 0; ngx_modules[i]; i++) {
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282 ngx_modules[i]->index = ngx_max_module++;
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283 }
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284
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285 cycle = ngx_init_cycle(&init_cycle);
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286 if (cycle == NULL) {
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287 if (ngx_test_config) {
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288 ngx_log_error(NGX_LOG_EMERG, log, 0,
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106
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289 "the configuration file %s test failed",
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0
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290 init_cycle.conf_file.data);
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291 }
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292
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293 return 1;
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294 }
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295
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296 if (ngx_test_config) {
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297 ngx_log_error(NGX_LOG_INFO, log, 0,
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106
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298 "the configuration file %s was tested successfully",
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4
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299 cycle->conf_file.data);
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0
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300 return 0;
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301 }
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302
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303 ngx_os_status(cycle->log);
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304
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305 ngx_cycle = cycle;
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306
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307 ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, ngx_core_module);
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308
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309 ngx_process = ccf->master ? NGX_PROCESS_MASTER : NGX_PROCESS_SINGLE;
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310
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10
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311 #if (NGX_WIN32)
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0
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312
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313 #if 0
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314
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315 TODO:
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316
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317 if (ccf->run_as_service) {
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160
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318 if (ngx_service(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 return 0;
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323 }
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324 #endif
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325
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326 #else
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327
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160
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328 if (ngx_init_signals(cycle->log) != NGX_OK) {
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88
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329 return 1;
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330 }
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331
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0
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332 if (!ngx_inherited && ccf->daemon) {
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160
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333 if (ngx_daemon(cycle->log) != NGX_OK) {
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0
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334 return 1;
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335 }
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336
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337 ngx_daemonized = 1;
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338 }
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339
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160
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340 if (ngx_create_pidfile(&ccf->pid, cycle->log) != NGX_OK) {
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0
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341 return 1;
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342 }
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343
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344 #endif
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345
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346 if (ngx_process == NGX_PROCESS_MASTER) {
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2
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347 ngx_master_process_cycle(cycle);
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0
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348
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349 } else {
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2
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350 ngx_single_process_cycle(cycle);
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0
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351 }
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352
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353 return 0;
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354 }
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355
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356
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48
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357 static ngx_int_t
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358 ngx_add_inherited_sockets(ngx_cycle_t *cycle)
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0
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359 {
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50
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360 u_char *p, *v, *inherited;
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361 ngx_int_t s;
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362 ngx_listening_t *ls;
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0
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363
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364 inherited = (u_char *) getenv(NGINX_VAR);
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365
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366 if (inherited == NULL) {
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367 return NGX_OK;
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368 }
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369
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10
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370 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0,
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0
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371 "using inherited sockets from \"%s\"", inherited);
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372
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10
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373 if (ngx_array_init(&cycle->listening, cycle->pool, 10,
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242
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374 sizeof(ngx_listening_t))
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375 == NGX_ERROR)
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10
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376 {
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377 return NGX_ERROR;
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378 }
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0
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379
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380 for (p = inherited, v = p; *p; p++) {
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381 if (*p == ':' || *p == ';') {
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382 s = ngx_atoi(v, p - v);
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383 if (s == NGX_ERROR) {
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384 ngx_log_error(NGX_LOG_EMERG, cycle->log, 0,
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86
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385 "invalid socket number \"%s\" in " NGINX_VAR
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386 " environment variable, ignoring the rest"
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387 " of the variable", v);
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0
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388 break;
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389 }
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390
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391 v = p + 1;
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392
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50
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393 ls = ngx_array_push(&cycle->listening);
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394 if (ls == NULL) {
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0
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395 return NGX_ERROR;
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396 }
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397
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72
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398 ngx_memzero(ls, sizeof(ngx_listening_t));
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399
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50
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400 ls->fd = (ngx_socket_t) s;
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0
|
401 }
|
|
|
402 }
|
|
|
403
|
|
|
404 ngx_inherited = 1;
|
|
|
405
|
|
|
406 return ngx_set_inherited_sockets(cycle);
|
|
|
407 }
|
|
|
408
|
|
|
409
|
|
92
|
410 ngx_pid_t
|
|
|
411 ngx_exec_new_binary(ngx_cycle_t *cycle, char *const *argv)
|
|
0
|
412 {
|
|
10
|
413 char *env[3], *var;
|
|
|
414 u_char *p;
|
|
0
|
415 ngx_uint_t i;
|
|
|
416 ngx_pid_t pid;
|
|
|
417 ngx_exec_ctx_t ctx;
|
|
92
|
418 ngx_core_conf_t *ccf;
|
|
0
|
419 ngx_listening_t *ls;
|
|
|
420
|
|
|
421 ctx.path = argv[0];
|
|
|
422 ctx.name = "new binary process";
|
|
|
423 ctx.argv = argv;
|
|
|
424
|
|
|
425 var = ngx_alloc(sizeof(NGINX_VAR)
|
|
50
|
426 + cycle->listening.nelts * (NGX_INT32_LEN + 1) + 2,
|
|
0
|
427 cycle->log);
|
|
|
428
|
|
10
|
429 p = ngx_cpymem(var, NGINX_VAR "=", sizeof(NGINX_VAR));
|
|
0
|
430
|
|
|
431 ls = cycle->listening.elts;
|
|
|
432 for (i = 0; i < cycle->listening.nelts; i++) {
|
|
10
|
433 p = ngx_sprintf(p, "%ud;", ls[i].fd);
|
|
0
|
434 }
|
|
|
435
|
|
10
|
436 *p = '\0';
|
|
|
437
|
|
0
|
438 ngx_log_debug1(NGX_LOG_DEBUG_CORE, cycle->log, 0, "inherited: %s", var);
|
|
|
439
|
|
|
440 env[0] = var;
|
|
2
|
441
|
|
|
442 #if (NGX_SETPROCTITLE_USES_ENV)
|
|
|
443
|
|
10
|
444 /* allocate the spare 300 bytes for the new binary process title */
|
|
2
|
445
|
|
|
446 env[1] = "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
|
|
|
447 "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
|
|
|
448 "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
|
|
|
449 "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
|
|
|
450 "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX";
|
|
|
451
|
|
|
452 env[2] = NULL;
|
|
|
453
|
|
|
454 #else
|
|
|
455
|
|
0
|
456 env[1] = NULL;
|
|
2
|
457
|
|
|
458 #endif
|
|
|
459
|
|
0
|
460 ctx.envp = (char *const *) &env;
|
|
|
461
|
|
92
|
462 ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, ngx_core_module);
|
|
|
463
|
|
182
|
464 if (ngx_rename_file(ccf->pid.data, ccf->oldpid.data)
|
|
92
|
465 != NGX_OK)
|
|
|
466 {
|
|
|
467 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
|
|
|
468 ngx_rename_file_n " %s to %s failed "
|
|
|
469 "before executing new binary process \"%s\"",
|
|
|
470 ccf->pid.data, ccf->oldpid.data, argv[0]);
|
|
|
471
|
|
|
472 ngx_free(var);
|
|
|
473
|
|
|
474 return NGX_INVALID_PID;
|
|
|
475 }
|
|
|
476
|
|
0
|
477 pid = ngx_execute(cycle, &ctx);
|
|
|
478
|
|
92
|
479 if (pid == NGX_INVALID_PID) {
|
|
182
|
480 if (ngx_rename_file(ccf->oldpid.data, ccf->pid.data)
|
|
92
|
481 != NGX_OK)
|
|
|
482 {
|
|
|
483 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
|
|
|
484 ngx_rename_file_n " %s back to %s failed "
|
|
|
485 "after try to executing new binary process \"%s\"",
|
|
|
486 ccf->oldpid.data, ccf->pid.data, argv[0]);
|
|
|
487 }
|
|
|
488 }
|
|
|
489
|
|
0
|
490 ngx_free(var);
|
|
|
491
|
|
|
492 return pid;
|
|
|
493 }
|
|
|
494
|
|
|
495
|
|
92
|
496 static ngx_int_t
|
|
|
497 ngx_getopt(ngx_cycle_t *cycle, int argc, char *const *argv)
|
|
0
|
498 {
|
|
|
499 ngx_int_t i;
|
|
|
500
|
|
2
|
501 for (i = 1; i < argc; i++) {
|
|
|
502 if (argv[i][0] != '-') {
|
|
0
|
503 ngx_log_error(NGX_LOG_EMERG, cycle->log, 0,
|
|
2
|
504 "invalid option: \"%s\"", argv[i]);
|
|
0
|
505 return NGX_ERROR;
|
|
|
506 }
|
|
|
507
|
|
2
|
508 switch (argv[i][1]) {
|
|
0
|
509
|
|
188
|
510 case 'v':
|
|
|
511 ngx_show_version = 1;
|
|
|
512 break;
|
|
|
513
|
|
270
|
514 case 'V':
|
|
|
515 ngx_show_version = 1;
|
|
|
516 ngx_show_configure = 1;
|
|
|
517 break;
|
|
|
518
|
|
0
|
519 case 't':
|
|
|
520 ngx_test_config = 1;
|
|
|
521 break;
|
|
|
522
|
|
|
523 case 'c':
|
|
2
|
524 if (argv[i + 1] == NULL) {
|
|
0
|
525 ngx_log_error(NGX_LOG_EMERG, cycle->log, 0,
|
|
|
526 "the option: \"%s\" requires file name",
|
|
2
|
527 argv[i]);
|
|
0
|
528 return NGX_ERROR;
|
|
|
529 }
|
|
|
530
|
|
2
|
531 cycle->conf_file.data = (u_char *) argv[++i];
|
|
0
|
532 cycle->conf_file.len = ngx_strlen(cycle->conf_file.data);
|
|
|
533 break;
|
|
|
534
|
|
|
535 default:
|
|
|
536 ngx_log_error(NGX_LOG_EMERG, cycle->log, 0,
|
|
2
|
537 "invalid option: \"%s\"", argv[i]);
|
|
0
|
538 return NGX_ERROR;
|
|
|
539 }
|
|
|
540 }
|
|
|
541
|
|
|
542 if (cycle->conf_file.data == NULL) {
|
|
|
543 cycle->conf_file.len = sizeof(NGX_CONF_PATH) - 1;
|
|
|
544 cycle->conf_file.data = (u_char *) NGX_CONF_PATH;
|
|
|
545 }
|
|
|
546
|
|
|
547 if (ngx_conf_full_name(cycle, &cycle->conf_file) == NGX_ERROR) {
|
|
|
548 return NGX_ERROR;
|
|
|
549 }
|
|
|
550
|
|
|
551 return NGX_OK;
|
|
|
552 }
|
|
|
553
|
|
|
554
|
|
48
|
555 static ngx_int_t
|
|
|
556 ngx_save_argv(ngx_cycle_t *cycle, int argc, char *const *argv)
|
|
2
|
557 {
|
|
50
|
558 #if (NGX_FREEBSD)
|
|
|
559
|
|
|
560 ngx_os_argv = (char **) argv;
|
|
|
561 ngx_argc = argc;
|
|
|
562 ngx_argv = (char **) argv;
|
|
|
563
|
|
|
564 #else
|
|
2
|
565 size_t len;
|
|
|
566 ngx_int_t i;
|
|
|
567
|
|
|
568 ngx_os_argv = (char **) argv;
|
|
|
569 ngx_argc = argc;
|
|
|
570
|
|
50
|
571 ngx_argv = ngx_alloc((argc + 1) * sizeof(char *), cycle->log);
|
|
|
572 if (ngx_argv == NULL) {
|
|
2
|
573 return NGX_ERROR;
|
|
|
574 }
|
|
|
575
|
|
|
576 for (i = 0; i < argc; i++) {
|
|
|
577 len = ngx_strlen(argv[i]) + 1;
|
|
|
578
|
|
50
|
579 ngx_argv[i] = ngx_alloc(len, cycle->log);
|
|
|
580 if (ngx_argv[i] == NULL) {
|
|
2
|
581 return NGX_ERROR;
|
|
|
582 }
|
|
|
583
|
|
66
|
584 (void) ngx_cpystrn((u_char *) ngx_argv[i], (u_char *) argv[i], len);
|
|
2
|
585 }
|
|
|
586
|
|
|
587 ngx_argv[i] = NULL;
|
|
|
588
|
|
|
589 #endif
|
|
|
590
|
|
|
591 return NGX_OK;
|
|
|
592 }
|
|
|
593
|
|
|
594
|
|
48
|
595 static void *
|
|
|
596 ngx_core_module_create_conf(ngx_cycle_t *cycle)
|
|
0
|
597 {
|
|
|
598 ngx_core_conf_t *ccf;
|
|
|
599
|
|
50
|
600 ccf = ngx_pcalloc(cycle->pool, sizeof(ngx_core_conf_t));
|
|
|
601 if (ccf == NULL) {
|
|
0
|
602 return NULL;
|
|
|
603 }
|
|
28
|
604
|
|
|
605 /*
|
|
|
606 * set by pcalloc()
|
|
0
|
607 *
|
|
28
|
608 * ccf->pid = NULL;
|
|
92
|
609 * ccf->oldpid = NULL;
|
|
28
|
610 * ccf->priority = 0;
|
|
126
|
611 * ccf->cpu_affinity_n = 0;
|
|
|
612 * ccf->cpu_affinity = NULL;
|
|
0
|
613 */
|
|
28
|
614
|
|
0
|
615 ccf->daemon = NGX_CONF_UNSET;
|
|
|
616 ccf->master = NGX_CONF_UNSET;
|
|
112
|
617 ccf->timer_resolution = NGX_CONF_UNSET_MSEC;
|
|
|
618
|
|
0
|
619 ccf->worker_processes = NGX_CONF_UNSET;
|
|
10
|
620 ccf->debug_points = NGX_CONF_UNSET;
|
|
92
|
621
|
|
|
622 ccf->rlimit_nofile = NGX_CONF_UNSET;
|
|
270
|
623 ccf->rlimit_core = NGX_CONF_UNSET_SIZE;
|
|
92
|
624 ccf->rlimit_sigpending = NGX_CONF_UNSET;
|
|
|
625
|
|
66
|
626 ccf->user = (ngx_uid_t) NGX_CONF_UNSET_UINT;
|
|
|
627 ccf->group = (ngx_gid_t) NGX_CONF_UNSET_UINT;
|
|
92
|
628
|
|
0
|
629 #if (NGX_THREADS)
|
|
|
630 ccf->worker_threads = NGX_CONF_UNSET;
|
|
10
|
631 ccf->thread_stack_size = NGX_CONF_UNSET_SIZE;
|
|
0
|
632 #endif
|
|
|
633
|
|
|
634 return ccf;
|
|
|
635 }
|
|
|
636
|
|
|
637
|
|
48
|
638 static char *
|
|
|
639 ngx_core_module_init_conf(ngx_cycle_t *cycle, void *conf)
|
|
0
|
640 {
|
|
|
641 ngx_core_conf_t *ccf = conf;
|
|
|
642
|
|
10
|
643 #if !(NGX_WIN32)
|
|
258
|
644 ngx_str_t lock_file;
|
|
0
|
645 struct passwd *pwd;
|
|
|
646 struct group *grp;
|
|
|
647 #endif
|
|
|
648
|
|
|
649 ngx_conf_init_value(ccf->daemon, 1);
|
|
|
650 ngx_conf_init_value(ccf->master, 1);
|
|
112
|
651 ngx_conf_init_msec_value(ccf->timer_resolution, 0);
|
|
|
652
|
|
0
|
653 ngx_conf_init_value(ccf->worker_processes, 1);
|
|
10
|
654 ngx_conf_init_value(ccf->debug_points, 0);
|
|
0
|
655
|
|
126
|
656 #if (NGX_HAVE_SCHED_SETAFFINITY)
|
|
|
657
|
|
|
658 if (ccf->cpu_affinity_n
|
|
|
659 && ccf->cpu_affinity_n != 1
|
|
|
660 && ccf->cpu_affinity_n != (ngx_uint_t) ccf->worker_processes)
|
|
|
661 {
|
|
|
662 ngx_log_error(NGX_LOG_WARN, cycle->log, 0,
|
|
|
663 "number of the \"worker_processes\" is not equal to "
|
|
|
664 "the number of the \"worker_cpu_affinity\" mask, "
|
|
|
665 "using last mask for remaining worker processes");
|
|
|
666 }
|
|
|
667
|
|
|
668 #endif
|
|
|
669
|
|
0
|
670 #if (NGX_THREADS)
|
|
126
|
671
|
|
0
|
672 ngx_conf_init_value(ccf->worker_threads, 0);
|
|
|
673 ngx_threads_n = ccf->worker_threads;
|
|
|
674 ngx_conf_init_size_value(ccf->thread_stack_size, 2 * 1024 * 1024);
|
|
126
|
675
|
|
0
|
676 #endif
|
|
|
677
|
|
10
|
678 #if !(NGX_WIN32)
|
|
0
|
679
|
|
66
|
680 if (ccf->user == (uid_t) NGX_CONF_UNSET_UINT && geteuid() == 0) {
|
|
0
|
681
|
|
4
|
682 pwd = getpwnam(NGX_USER);
|
|
0
|
683 if (pwd == NULL) {
|
|
|
684 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
4
|
685 "getpwnam(\"" NGX_USER "\") failed");
|
|
0
|
686 return NGX_CONF_ERROR;
|
|
|
687 }
|
|
|
688
|
|
22
|
689 ccf->username = NGX_USER;
|
|
0
|
690 ccf->user = pwd->pw_uid;
|
|
|
691
|
|
4
|
692 grp = getgrnam(NGX_GROUP);
|
|
0
|
693 if (grp == NULL) {
|
|
|
694 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
4
|
695 "getgrnam(\"" NGX_GROUP "\") failed");
|
|
0
|
696 return NGX_CONF_ERROR;
|
|
|
697 }
|
|
|
698
|
|
|
699 ccf->group = grp->gr_gid;
|
|
|
700 }
|
|
|
701
|
|
|
702 if (ccf->pid.len == 0) {
|
|
|
703 ccf->pid.len = sizeof(NGX_PID_PATH) - 1;
|
|
2
|
704 ccf->pid.data = (u_char *) NGX_PID_PATH;
|
|
0
|
705 }
|
|
|
706
|
|
|
707 if (ngx_conf_full_name(cycle, &ccf->pid) == NGX_ERROR) {
|
|
|
708 return NGX_CONF_ERROR;
|
|
|
709 }
|
|
|
710
|
|
92
|
711 ccf->oldpid.len = ccf->pid.len + sizeof(NGX_OLDPID_EXT);
|
|
0
|
712
|
|
92
|
713 ccf->oldpid.data = ngx_palloc(cycle->pool, ccf->oldpid.len);
|
|
|
714 if (ccf->oldpid.data == NULL) {
|
|
0
|
715 return NGX_CONF_ERROR;
|
|
|
716 }
|
|
|
717
|
|
92
|
718 ngx_memcpy(ngx_cpymem(ccf->oldpid.data, ccf->pid.data, ccf->pid.len),
|
|
|
719 NGX_OLDPID_EXT, sizeof(NGX_OLDPID_EXT));
|
|
0
|
720
|
|
258
|
721
|
|
160
|
722 if (ccf->lock_file.len == 0) {
|
|
|
723 ccf->lock_file.len = sizeof(NGX_LOCK_PATH) - 1;
|
|
|
724 ccf->lock_file.data = (u_char *) NGX_LOCK_PATH;
|
|
|
725 }
|
|
|
726
|
|
|
727 if (ngx_conf_full_name(cycle, &ccf->lock_file) == NGX_ERROR) {
|
|
|
728 return NGX_CONF_ERROR;
|
|
|
729 }
|
|
|
730
|
|
258
|
731 lock_file = cycle->old_cycle->lock_file;
|
|
|
732
|
|
|
733 if (lock_file.len) {
|
|
|
734 lock_file.len--;
|
|
|
735
|
|
|
736 if (ccf->lock_file.len != lock_file.len
|
|
|
737 || ngx_strncmp(ccf->lock_file.data, lock_file.data, lock_file.len)
|
|
|
738 != 0)
|
|
|
739 {
|
|
|
740 ngx_log_error(NGX_LOG_EMERG, cycle->log, 0,
|
|
|
741 "\"lock_file\" could not be changed, ignored");
|
|
|
742 }
|
|
|
743
|
|
|
744 cycle->lock_file.len = lock_file.len + 1;
|
|
|
745 lock_file.len += sizeof(".accept");
|
|
|
746
|
|
|
747 cycle->lock_file.data = ngx_pstrdup(cycle->pool, &lock_file);
|
|
|
748 if (cycle->lock_file.data == NULL) {
|
|
|
749 return NGX_CONF_ERROR;
|
|
|
750 }
|
|
|
751
|
|
|
752 } else {
|
|
|
753 cycle->lock_file.len = ccf->lock_file.len + 1;
|
|
|
754 cycle->lock_file.data = ngx_palloc(cycle->pool,
|
|
|
755 ccf->lock_file.len + sizeof(".accept"));
|
|
|
756 if (cycle->lock_file.data == NULL) {
|
|
|
757 return NGX_CONF_ERROR;
|
|
|
758 }
|
|
|
759
|
|
|
760 ngx_memcpy(ngx_cpymem(cycle->lock_file.data, ccf->lock_file.data,
|
|
|
761 ccf->lock_file.len),
|
|
|
762 ".accept", sizeof(".accept"));
|
|
|
763 }
|
|
|
764
|
|
0
|
765 #endif
|
|
|
766
|
|
|
767 return NGX_CONF_OK;
|
|
|
768 }
|
|
|
769
|
|
|
770
|
|
48
|
771 static char *
|
|
|
772 ngx_set_user(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
0
|
773 {
|
|
10
|
774 #if (NGX_WIN32)
|
|
0
|
775
|
|
|
776 ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
|
|
|
777 "\"user\" is not supported, ignored");
|
|
|
778
|
|
|
779 return NGX_CONF_OK;
|
|
|
780
|
|
|
781 #else
|
|
|
782
|
|
|
783 ngx_core_conf_t *ccf = conf;
|
|
|
784
|
|
4
|
785 char *group;
|
|
0
|
786 struct passwd *pwd;
|
|
|
787 struct group *grp;
|
|
|
788 ngx_str_t *value;
|
|
|
789
|
|
66
|
790 if (ccf->user != (uid_t) NGX_CONF_UNSET_UINT) {
|
|
0
|
791 return "is duplicate";
|
|
|
792 }
|
|
|
793
|
|
4
|
794 if (geteuid() != 0) {
|
|
|
795 ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
|
|
|
796 "the \"user\" directive makes sense only "
|
|
|
797 "if the master process runs "
|
|
|
798 "with super-user privileges, ignored");
|
|
|
799 return NGX_CONF_OK;
|
|
|
800 }
|
|
|
801
|
|
0
|
802 value = (ngx_str_t *) cf->args->elts;
|
|
|
803
|
|
22
|
804 ccf->username = (char *) value[1].data;
|
|
|
805
|
|
0
|
806 pwd = getpwnam((const char *) value[1].data);
|
|
|
807 if (pwd == NULL) {
|
|
|
808 ngx_conf_log_error(NGX_LOG_EMERG, cf, ngx_errno,
|
|
2
|
809 "getpwnam(\"%s\") failed", value[1].data);
|
|
0
|
810 return NGX_CONF_ERROR;
|
|
|
811 }
|
|
|
812
|
|
|
813 ccf->user = pwd->pw_uid;
|
|
|
814
|
|
4
|
815 group = (char *) ((cf->args->nelts == 2) ? value[1].data : value[2].data);
|
|
0
|
816
|
|
4
|
817 grp = getgrnam(group);
|
|
0
|
818 if (grp == NULL) {
|
|
|
819 ngx_conf_log_error(NGX_LOG_EMERG, cf, ngx_errno,
|
|
4
|
820 "getgrnam(\"%s\") failed", group);
|
|
0
|
821 return NGX_CONF_ERROR;
|
|
|
822 }
|
|
|
823
|
|
|
824 ccf->group = grp->gr_gid;
|
|
|
825
|
|
|
826 return NGX_CONF_OK;
|
|
|
827
|
|
|
828 #endif
|
|
|
829 }
|
|
22
|
830
|
|
|
831
|
|
48
|
832 static char *
|
|
|
833 ngx_set_priority(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
22
|
834 {
|
|
|
835 ngx_core_conf_t *ccf = conf;
|
|
|
836
|
|
|
837 ngx_str_t *value;
|
|
|
838 ngx_uint_t n, minus;
|
|
|
839
|
|
|
840 if (ccf->priority != 0) {
|
|
|
841 return "is duplicate";
|
|
|
842 }
|
|
|
843
|
|
|
844 value = cf->args->elts;
|
|
|
845
|
|
|
846 if (value[1].data[0] == '-') {
|
|
|
847 n = 1;
|
|
|
848 minus = 1;
|
|
|
849
|
|
|
850 } else if (value[1].data[0] == '+') {
|
|
|
851 n = 1;
|
|
|
852 minus = 0;
|
|
|
853
|
|
|
854 } else {
|
|
|
855 n = 0;
|
|
|
856 minus = 0;
|
|
|
857 }
|
|
|
858
|
|
|
859 ccf->priority = ngx_atoi(&value[1].data[n], value[1].len - n);
|
|
|
860 if (ccf->priority == NGX_ERROR) {
|
|
|
861 return "invalid number";
|
|
|
862 }
|
|
|
863
|
|
|
864 if (minus) {
|
|
|
865 ccf->priority = -ccf->priority;
|
|
|
866 }
|
|
|
867
|
|
|
868 return NGX_CONF_OK;
|
|
|
869 }
|
|
126
|
870
|
|
|
871
|
|
|
872 static char *
|
|
|
873 ngx_set_cpu_affinity(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
874 {
|
|
|
875 #if (NGX_HAVE_SCHED_SETAFFINITY)
|
|
|
876 ngx_core_conf_t *ccf = conf;
|
|
|
877
|
|
|
878 u_char ch;
|
|
|
879 u_long *mask;
|
|
|
880 ngx_str_t *value;
|
|
|
881 ngx_uint_t i, n;
|
|
|
882
|
|
|
883 if (ccf->cpu_affinity) {
|
|
|
884 return "is duplicate";
|
|
|
885 }
|
|
|
886
|
|
|
887 mask = ngx_palloc(cf->pool, (cf->args->nelts - 1) * sizeof(long));
|
|
|
888 if (mask == NULL) {
|
|
|
889 return NGX_CONF_ERROR;
|
|
|
890 }
|
|
|
891
|
|
|
892 ccf->cpu_affinity_n = cf->args->nelts - 1;
|
|
|
893 ccf->cpu_affinity = mask;
|
|
|
894
|
|
|
895 value = cf->args->elts;
|
|
|
896
|
|
|
897 for (n = 1; n < cf->args->nelts; n++) {
|
|
|
898
|
|
|
899 if (value[n].len > 32) {
|
|
|
900 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
901 "\"worker_cpu_affinity\" supports up to 32 CPU only");
|
|
|
902 return NGX_CONF_ERROR;
|
|
|
903 }
|
|
|
904
|
|
|
905 mask[n - 1] = 0;
|
|
|
906
|
|
|
907 for (i = 0; i < value[n].len; i++) {
|
|
|
908
|
|
|
909 ch = value[n].data[i];
|
|
|
910
|
|
|
911 if (ch == ' ') {
|
|
|
912 continue;
|
|
|
913 }
|
|
|
914
|
|
|
915 mask[n - 1] <<= 1;
|
|
|
916
|
|
|
917 if (ch == '0') {
|
|
|
918 continue;
|
|
|
919 }
|
|
|
920
|
|
|
921 if (ch == '1') {
|
|
|
922 mask[n - 1] |= 1;
|
|
|
923 continue;
|
|
|
924 }
|
|
|
925
|
|
|
926 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
927 "invalid character \"%c\" in \"worker_cpu_affinity\"",
|
|
|
928 ch);
|
|
|
929 return NGX_CONF_ERROR ;
|
|
|
930 }
|
|
|
931 }
|
|
|
932
|
|
|
933 #else
|
|
|
934
|
|
|
935 ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
|
|
|
936 "\"worker_cpu_affinity\" is not supported "
|
|
|
937 "on this platform, ignored");
|
|
|
938 #endif
|
|
|
939
|
|
|
940 return NGX_CONF_OK;
|
|
|
941 }
|
|
|
942
|
|
|
943
|
|
|
944 u_long
|
|
|
945 ngx_get_cpu_affinity(ngx_uint_t n)
|
|
|
946 {
|
|
|
947 ngx_core_conf_t *ccf;
|
|
|
948
|
|
|
949 ccf = (ngx_core_conf_t *) ngx_get_conf(ngx_cycle->conf_ctx,
|
|
|
950 ngx_core_module);
|
|
|
951
|
|
|
952 if (ccf->cpu_affinity == NULL) {
|
|
|
953 return 0;
|
|
|
954 }
|
|
|
955
|
|
|
956 if (ccf->cpu_affinity_n > n) {
|
|
|
957 return ccf->cpu_affinity[n];
|
|
|
958 }
|
|
|
959
|
|
|
960 return ccf->cpu_affinity[ccf->cpu_affinity_n - 1];
|
|
|
961 }
|
