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