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