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