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0
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1
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2 /*
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3 * Copyright (C) Igor Sysoev
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4 */
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5
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6
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7 #include <ngx_config.h>
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8 #include <ngx_core.h>
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9 #include <ngx_event.h>
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10 #include <nginx.h>
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11
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12
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13 static ngx_int_t ngx_add_inherited_sockets(ngx_cycle_t *cycle);
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2
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14 static ngx_int_t ngx_getopt(ngx_cycle_t *cycle, int argc, char *const *argv);
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15 static ngx_int_t ngx_save_argv(ngx_cycle_t *cycle, int argc, char *const *argv);
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0
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16 static void *ngx_core_module_create_conf(ngx_cycle_t *cycle);
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17 static char *ngx_core_module_init_conf(ngx_cycle_t *cycle, void *conf);
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18 static char *ngx_set_user(ngx_conf_t *cf, ngx_command_t *cmd, void *conf);
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22
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19 static char *ngx_set_priority(ngx_conf_t *cf, ngx_command_t *cmd, void *conf);
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126
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20 static char *ngx_set_cpu_affinity(ngx_conf_t *cf, ngx_command_t *cmd,
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21 void *conf);
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0
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22
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23
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10
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24 static ngx_conf_enum_t ngx_debug_points[] = {
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25 { ngx_string("stop"), NGX_DEBUG_POINTS_STOP },
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26 { ngx_string("abort"), NGX_DEBUG_POINTS_ABORT },
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27 { ngx_null_string, 0 }
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126
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28 };
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10
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29
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30
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0
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31 static ngx_command_t ngx_core_commands[] = {
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32
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33 { ngx_string("daemon"),
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112
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34 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_FLAG,
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0
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35 ngx_conf_set_flag_slot,
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36 0,
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37 offsetof(ngx_core_conf_t, daemon),
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38 NULL },
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39
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40 { ngx_string("master_process"),
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112
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41 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_FLAG,
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0
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42 ngx_conf_set_flag_slot,
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43 0,
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44 offsetof(ngx_core_conf_t, master),
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45 NULL },
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46
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112
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47 { ngx_string("timer_resolution"),
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48 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
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49 ngx_conf_set_msec_slot,
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50 0,
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51 offsetof(ngx_core_conf_t, timer_resolution),
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52 NULL },
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53
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92
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54 { ngx_string("pid"),
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55 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
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56 ngx_conf_set_str_slot,
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57 0,
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58 offsetof(ngx_core_conf_t, pid),
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59 NULL },
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60
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0
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61 { ngx_string("worker_processes"),
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62 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
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63 ngx_conf_set_num_slot,
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64 0,
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65 offsetof(ngx_core_conf_t, worker_processes),
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66 NULL },
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67
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10
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68 { ngx_string("debug_points"),
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69 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
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70 ngx_conf_set_enum_slot,
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71 0,
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72 offsetof(ngx_core_conf_t, debug_points),
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73 &ngx_debug_points },
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74
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92
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75 { ngx_string("user"),
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76 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE12,
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77 ngx_set_user,
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78 0,
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79 0,
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80 NULL },
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81
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82 { ngx_string("worker_priority"),
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83 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
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84 ngx_set_priority,
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85 0,
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86 0,
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87 NULL },
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88
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126
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89 { ngx_string("worker_cpu_affinity"),
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90 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_1MORE,
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91 ngx_set_cpu_affinity,
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92 0,
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93 0,
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94 NULL },
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95
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92
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96 { ngx_string("worker_rlimit_nofile"),
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97 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
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98 ngx_conf_set_num_slot,
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99 0,
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100 offsetof(ngx_core_conf_t, rlimit_nofile),
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101 NULL },
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102
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103 { ngx_string("worker_rlimit_sigpending"),
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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_sigpending),
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108 NULL },
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109
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110 { ngx_string("working_directory"),
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111 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
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112 ngx_conf_set_str_slot,
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113 0,
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114 offsetof(ngx_core_conf_t, working_directory),
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115 NULL },
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116
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0
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117 #if (NGX_THREADS)
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118
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119 { ngx_string("worker_threads"),
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120 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
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121 ngx_conf_set_num_slot,
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122 0,
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123 offsetof(ngx_core_conf_t, worker_threads),
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124 NULL },
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125
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126 { ngx_string("thread_stack_size"),
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127 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
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128 ngx_conf_set_size_slot,
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129 0,
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130 offsetof(ngx_core_conf_t, thread_stack_size),
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131 NULL },
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132
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133 #endif
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134
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135 ngx_null_command
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136 };
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137
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138
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139 static ngx_core_module_t ngx_core_module_ctx = {
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140 ngx_string("core"),
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141 ngx_core_module_create_conf,
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142 ngx_core_module_init_conf
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143 };
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144
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145
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146 ngx_module_t ngx_core_module = {
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58
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147 NGX_MODULE_V1,
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0
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148 &ngx_core_module_ctx, /* module context */
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149 ngx_core_commands, /* module directives */
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150 NGX_CORE_MODULE, /* module type */
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90
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151 NULL, /* init master */
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0
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152 NULL, /* init module */
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90
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153 NULL, /* init process */
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154 NULL, /* init thread */
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155 NULL, /* exit thread */
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156 NULL, /* exit process */
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157 NULL, /* exit master */
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158 NGX_MODULE_V1_PADDING
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0
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159 };
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160
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161
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162 ngx_uint_t ngx_max_module;
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163
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164
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52
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165 int ngx_cdecl
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48
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166 main(int argc, char *const *argv)
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0
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167 {
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2
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168 ngx_int_t i;
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169 ngx_log_t *log;
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170 ngx_cycle_t *cycle, init_cycle;
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171 ngx_core_conf_t *ccf;
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0
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172
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4
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173 #if (NGX_FREEBSD)
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0
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174 ngx_debug_init();
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175 #endif
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176
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177 /* TODO */ ngx_max_sockets = -1;
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178
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179 ngx_time_init();
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180
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4
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181 #if (NGX_PCRE)
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0
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182 ngx_regex_init();
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183 #endif
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184
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185 ngx_pid = ngx_getpid();
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186
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50
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187 log = ngx_log_init();
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188 if (log == NULL) {
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0
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189 return 1;
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190 }
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191
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90
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192 /* STUB */
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0
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193 #if (NGX_OPENSSL)
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194 ngx_ssl_init(log);
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195 #endif
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196
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197 /* init_cycle->log is required for signal handlers and ngx_getopt() */
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198
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199 ngx_memzero(&init_cycle, sizeof(ngx_cycle_t));
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200 init_cycle.log = log;
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201 ngx_cycle = &init_cycle;
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202
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50
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203 init_cycle.pool = ngx_create_pool(1024, log);
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204 if (init_cycle.pool == 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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4
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208 if (ngx_save_argv(&init_cycle, argc, argv) == NGX_ERROR) {
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2
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209 return 1;
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210 }
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211
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4
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212 if (ngx_getopt(&init_cycle, argc, ngx_argv) == NGX_ERROR) {
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0
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213 return 1;
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214 }
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215
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216 if (ngx_test_config) {
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217 log->log_level = NGX_LOG_INFO;
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218 }
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219
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220 if (ngx_os_init(log) == NGX_ERROR) {
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221 return 1;
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222 }
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223
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224 if (ngx_add_inherited_sockets(&init_cycle) == NGX_ERROR) {
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225 return 1;
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226 }
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227
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228 ngx_max_module = 0;
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229 for (i = 0; ngx_modules[i]; i++) {
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230 ngx_modules[i]->index = ngx_max_module++;
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231 }
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232
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233 cycle = ngx_init_cycle(&init_cycle);
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234 if (cycle == NULL) {
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235 if (ngx_test_config) {
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236 ngx_log_error(NGX_LOG_EMERG, log, 0,
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106
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237 "the configuration file %s test failed",
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0
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238 init_cycle.conf_file.data);
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239 }
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240
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241 return 1;
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242 }
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243
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244 if (ngx_test_config) {
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245 ngx_log_error(NGX_LOG_INFO, log, 0,
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106
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246 "the configuration file %s was tested successfully",
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4
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247 cycle->conf_file.data);
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0
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248 return 0;
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249 }
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250
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251 ngx_os_status(cycle->log);
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252
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253 ngx_cycle = cycle;
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254
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255 ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, ngx_core_module);
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256
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257 ngx_process = ccf->master ? NGX_PROCESS_MASTER : NGX_PROCESS_SINGLE;
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258
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10
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259 #if (NGX_WIN32)
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0
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260
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261 #if 0
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262
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263 TODO:
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264
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265 if (ccf->run_as_service) {
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266 if (ngx_service(cycle->log) == NGX_ERROR) {
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267 return 1;
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268 }
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269
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270 return 0;
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271 }
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272 #endif
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273
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274 #else
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275
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88
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276 if (ngx_init_signals(cycle->log) == NGX_ERROR) {
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277 return 1;
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278 }
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279
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0
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280 if (!ngx_inherited && ccf->daemon) {
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281 if (ngx_daemon(cycle->log) == NGX_ERROR) {
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282 return 1;
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283 }
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284
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285 ngx_daemonized = 1;
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286 }
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287
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288 if (ngx_create_pidfile(cycle, NULL) == NGX_ERROR) {
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289 return 1;
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290 }
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291
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292 #endif
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293
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294 if (ngx_process == NGX_PROCESS_MASTER) {
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2
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295 ngx_master_process_cycle(cycle);
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0
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296
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297 } else {
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2
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298 ngx_single_process_cycle(cycle);
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0
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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
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304
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48
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305 static ngx_int_t
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306 ngx_add_inherited_sockets(ngx_cycle_t *cycle)
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0
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307 {
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50
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308 u_char *p, *v, *inherited;
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309 ngx_int_t s;
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310 ngx_listening_t *ls;
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0
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311
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312 inherited = (u_char *) getenv(NGINX_VAR);
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313
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314 if (inherited == NULL) {
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315 return NGX_OK;
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316 }
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317
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10
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318 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0,
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0
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319 "using inherited sockets from \"%s\"", inherited);
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320
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10
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321 if (ngx_array_init(&cycle->listening, cycle->pool, 10,
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322 sizeof(ngx_listening_t)) == NGX_ERROR)
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323 {
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324 return NGX_ERROR;
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325 }
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0
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326
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327 for (p = inherited, v = p; *p; p++) {
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328 if (*p == ':' || *p == ';') {
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329 s = ngx_atoi(v, p - v);
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330 if (s == NGX_ERROR) {
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331 ngx_log_error(NGX_LOG_EMERG, cycle->log, 0,
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86
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332 "invalid socket number \"%s\" in " NGINX_VAR
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333 " environment variable, ignoring the rest"
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334 " of the variable", v);
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0
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335 break;
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336 }
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337
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338 v = p + 1;
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339
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50
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340 ls = ngx_array_push(&cycle->listening);
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341 if (ls == NULL) {
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0
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342 return NGX_ERROR;
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343 }
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344
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72
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345 ngx_memzero(ls, sizeof(ngx_listening_t));
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346
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50
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347 ls->fd = (ngx_socket_t) s;
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0
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348 }
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349 }
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350
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351 ngx_inherited = 1;
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352
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353 return ngx_set_inherited_sockets(cycle);
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354 }
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355
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356
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92
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357 ngx_pid_t
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358 ngx_exec_new_binary(ngx_cycle_t *cycle, char *const *argv)
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0
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359 {
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10
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360 char *env[3], *var;
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361 u_char *p;
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0
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362 ngx_uint_t i;
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363 ngx_pid_t pid;
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364 ngx_exec_ctx_t ctx;
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92
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365 ngx_core_conf_t *ccf;
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0
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366 ngx_listening_t *ls;
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367
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368 ctx.path = argv[0];
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369 ctx.name = "new binary process";
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370 ctx.argv = argv;
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371
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372 var = ngx_alloc(sizeof(NGINX_VAR)
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50
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373 + cycle->listening.nelts * (NGX_INT32_LEN + 1) + 2,
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0
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374 cycle->log);
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375
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10
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376 p = ngx_cpymem(var, NGINX_VAR "=", sizeof(NGINX_VAR));
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0
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377
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378 ls = cycle->listening.elts;
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379 for (i = 0; i < cycle->listening.nelts; i++) {
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10
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380 p = ngx_sprintf(p, "%ud;", ls[i].fd);
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0
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381 }
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382
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10
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383 *p = '\0';
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384
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0
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385 ngx_log_debug1(NGX_LOG_DEBUG_CORE, cycle->log, 0, "inherited: %s", var);
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386
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387 env[0] = var;
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2
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388
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389 #if (NGX_SETPROCTITLE_USES_ENV)
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390
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10
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391 /* allocate the spare 300 bytes for the new binary process title */
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2
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392
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393 env[1] = "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
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394 "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
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395 "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
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396 "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
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397 "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX";
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398
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399 env[2] = NULL;
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400
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401 #else
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402
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0
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403 env[1] = NULL;
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2
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404
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405 #endif
|
|
|
406
|
|
0
|
407 ctx.envp = (char *const *) &env;
|
|
|
408
|
|
92
|
409 ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, ngx_core_module);
|
|
|
410
|
|
|
411 if (ngx_rename_file((char *) ccf->pid.data, (char *) ccf->oldpid.data)
|
|
|
412 != NGX_OK)
|
|
|
413 {
|
|
|
414 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
|
|
|
415 ngx_rename_file_n " %s to %s failed "
|
|
|
416 "before executing new binary process \"%s\"",
|
|
|
417 ccf->pid.data, ccf->oldpid.data, argv[0]);
|
|
|
418
|
|
|
419 ngx_free(var);
|
|
|
420
|
|
|
421 return NGX_INVALID_PID;
|
|
|
422 }
|
|
|
423
|
|
0
|
424 pid = ngx_execute(cycle, &ctx);
|
|
|
425
|
|
92
|
426 if (pid == NGX_INVALID_PID) {
|
|
|
427 if (ngx_rename_file((char *) ccf->oldpid.data, (char *) ccf->pid.data)
|
|
|
428 != NGX_OK)
|
|
|
429 {
|
|
|
430 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
|
|
|
431 ngx_rename_file_n " %s back to %s failed "
|
|
|
432 "after try to executing new binary process \"%s\"",
|
|
|
433 ccf->oldpid.data, ccf->pid.data, argv[0]);
|
|
|
434 }
|
|
|
435 }
|
|
|
436
|
|
0
|
437 ngx_free(var);
|
|
|
438
|
|
|
439 return pid;
|
|
|
440 }
|
|
|
441
|
|
|
442
|
|
92
|
443 static ngx_int_t
|
|
|
444 ngx_getopt(ngx_cycle_t *cycle, int argc, char *const *argv)
|
|
0
|
445 {
|
|
|
446 ngx_int_t i;
|
|
|
447
|
|
2
|
448 for (i = 1; i < argc; i++) {
|
|
|
449 if (argv[i][0] != '-') {
|
|
0
|
450 ngx_log_error(NGX_LOG_EMERG, cycle->log, 0,
|
|
2
|
451 "invalid option: \"%s\"", argv[i]);
|
|
0
|
452 return NGX_ERROR;
|
|
|
453 }
|
|
|
454
|
|
2
|
455 switch (argv[i][1]) {
|
|
0
|
456
|
|
|
457 case 't':
|
|
|
458 ngx_test_config = 1;
|
|
|
459 break;
|
|
|
460
|
|
|
461 case 'c':
|
|
2
|
462 if (argv[i + 1] == NULL) {
|
|
0
|
463 ngx_log_error(NGX_LOG_EMERG, cycle->log, 0,
|
|
|
464 "the option: \"%s\" requires file name",
|
|
2
|
465 argv[i]);
|
|
0
|
466 return NGX_ERROR;
|
|
|
467 }
|
|
|
468
|
|
2
|
469 cycle->conf_file.data = (u_char *) argv[++i];
|
|
0
|
470 cycle->conf_file.len = ngx_strlen(cycle->conf_file.data);
|
|
|
471 break;
|
|
|
472
|
|
|
473 default:
|
|
|
474 ngx_log_error(NGX_LOG_EMERG, cycle->log, 0,
|
|
2
|
475 "invalid option: \"%s\"", argv[i]);
|
|
0
|
476 return NGX_ERROR;
|
|
|
477 }
|
|
|
478 }
|
|
|
479
|
|
|
480 if (cycle->conf_file.data == NULL) {
|
|
|
481 cycle->conf_file.len = sizeof(NGX_CONF_PATH) - 1;
|
|
|
482 cycle->conf_file.data = (u_char *) NGX_CONF_PATH;
|
|
|
483 }
|
|
|
484
|
|
|
485 if (ngx_conf_full_name(cycle, &cycle->conf_file) == NGX_ERROR) {
|
|
|
486 return NGX_ERROR;
|
|
|
487 }
|
|
|
488
|
|
|
489 return NGX_OK;
|
|
|
490 }
|
|
|
491
|
|
|
492
|
|
48
|
493 static ngx_int_t
|
|
|
494 ngx_save_argv(ngx_cycle_t *cycle, int argc, char *const *argv)
|
|
2
|
495 {
|
|
50
|
496 #if (NGX_FREEBSD)
|
|
|
497
|
|
|
498 ngx_os_argv = (char **) argv;
|
|
|
499 ngx_argc = argc;
|
|
|
500 ngx_argv = (char **) argv;
|
|
|
501
|
|
|
502 #else
|
|
2
|
503 size_t len;
|
|
|
504 ngx_int_t i;
|
|
|
505
|
|
|
506 ngx_os_argv = (char **) argv;
|
|
|
507 ngx_argc = argc;
|
|
|
508
|
|
50
|
509 ngx_argv = ngx_alloc((argc + 1) * sizeof(char *), cycle->log);
|
|
|
510 if (ngx_argv == NULL) {
|
|
2
|
511 return NGX_ERROR;
|
|
|
512 }
|
|
|
513
|
|
|
514 for (i = 0; i < argc; i++) {
|
|
|
515 len = ngx_strlen(argv[i]) + 1;
|
|
|
516
|
|
50
|
517 ngx_argv[i] = ngx_alloc(len, cycle->log);
|
|
|
518 if (ngx_argv[i] == NULL) {
|
|
2
|
519 return NGX_ERROR;
|
|
|
520 }
|
|
|
521
|
|
66
|
522 (void) ngx_cpystrn((u_char *) ngx_argv[i], (u_char *) argv[i], len);
|
|
2
|
523 }
|
|
|
524
|
|
|
525 ngx_argv[i] = NULL;
|
|
|
526
|
|
|
527 #endif
|
|
|
528
|
|
|
529 return NGX_OK;
|
|
|
530 }
|
|
|
531
|
|
|
532
|
|
48
|
533 static void *
|
|
|
534 ngx_core_module_create_conf(ngx_cycle_t *cycle)
|
|
0
|
535 {
|
|
|
536 ngx_core_conf_t *ccf;
|
|
|
537
|
|
50
|
538 ccf = ngx_pcalloc(cycle->pool, sizeof(ngx_core_conf_t));
|
|
|
539 if (ccf == NULL) {
|
|
0
|
540 return NULL;
|
|
|
541 }
|
|
28
|
542
|
|
|
543 /*
|
|
|
544 * set by pcalloc()
|
|
0
|
545 *
|
|
28
|
546 * ccf->pid = NULL;
|
|
92
|
547 * ccf->oldpid = NULL;
|
|
28
|
548 * ccf->priority = 0;
|
|
126
|
549 * ccf->cpu_affinity_n = 0;
|
|
|
550 * ccf->cpu_affinity = NULL;
|
|
0
|
551 */
|
|
28
|
552
|
|
0
|
553 ccf->daemon = NGX_CONF_UNSET;
|
|
|
554 ccf->master = NGX_CONF_UNSET;
|
|
112
|
555 ccf->timer_resolution = NGX_CONF_UNSET_MSEC;
|
|
|
556
|
|
0
|
557 ccf->worker_processes = NGX_CONF_UNSET;
|
|
10
|
558 ccf->debug_points = NGX_CONF_UNSET;
|
|
92
|
559
|
|
|
560 ccf->rlimit_nofile = NGX_CONF_UNSET;
|
|
|
561 ccf->rlimit_sigpending = NGX_CONF_UNSET;
|
|
|
562
|
|
66
|
563 ccf->user = (ngx_uid_t) NGX_CONF_UNSET_UINT;
|
|
|
564 ccf->group = (ngx_gid_t) NGX_CONF_UNSET_UINT;
|
|
92
|
565
|
|
0
|
566 #if (NGX_THREADS)
|
|
|
567 ccf->worker_threads = NGX_CONF_UNSET;
|
|
10
|
568 ccf->thread_stack_size = NGX_CONF_UNSET_SIZE;
|
|
0
|
569 #endif
|
|
|
570
|
|
|
571 return ccf;
|
|
|
572 }
|
|
|
573
|
|
|
574
|
|
48
|
575 static char *
|
|
|
576 ngx_core_module_init_conf(ngx_cycle_t *cycle, void *conf)
|
|
0
|
577 {
|
|
|
578 ngx_core_conf_t *ccf = conf;
|
|
|
579
|
|
10
|
580 #if !(NGX_WIN32)
|
|
0
|
581 struct passwd *pwd;
|
|
|
582 struct group *grp;
|
|
|
583 #endif
|
|
|
584
|
|
|
585 ngx_conf_init_value(ccf->daemon, 1);
|
|
|
586 ngx_conf_init_value(ccf->master, 1);
|
|
112
|
587 ngx_conf_init_msec_value(ccf->timer_resolution, 0);
|
|
|
588
|
|
0
|
589 ngx_conf_init_value(ccf->worker_processes, 1);
|
|
10
|
590 ngx_conf_init_value(ccf->debug_points, 0);
|
|
0
|
591
|
|
126
|
592 #if (NGX_HAVE_SCHED_SETAFFINITY)
|
|
|
593
|
|
|
594 if (ccf->cpu_affinity_n
|
|
|
595 && ccf->cpu_affinity_n != 1
|
|
|
596 && ccf->cpu_affinity_n != (ngx_uint_t) ccf->worker_processes)
|
|
|
597 {
|
|
|
598 ngx_log_error(NGX_LOG_WARN, cycle->log, 0,
|
|
|
599 "number of the \"worker_processes\" is not equal to "
|
|
|
600 "the number of the \"worker_cpu_affinity\" mask, "
|
|
|
601 "using last mask for remaining worker processes");
|
|
|
602 }
|
|
|
603
|
|
|
604 #endif
|
|
|
605
|
|
0
|
606 #if (NGX_THREADS)
|
|
126
|
607
|
|
0
|
608 ngx_conf_init_value(ccf->worker_threads, 0);
|
|
|
609 ngx_threads_n = ccf->worker_threads;
|
|
|
610 ngx_conf_init_size_value(ccf->thread_stack_size, 2 * 1024 * 1024);
|
|
126
|
611
|
|
0
|
612 #endif
|
|
|
613
|
|
10
|
614 #if !(NGX_WIN32)
|
|
0
|
615
|
|
66
|
616 if (ccf->user == (uid_t) NGX_CONF_UNSET_UINT && geteuid() == 0) {
|
|
0
|
617
|
|
4
|
618 pwd = getpwnam(NGX_USER);
|
|
0
|
619 if (pwd == NULL) {
|
|
|
620 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
4
|
621 "getpwnam(\"" NGX_USER "\") failed");
|
|
0
|
622 return NGX_CONF_ERROR;
|
|
|
623 }
|
|
|
624
|
|
22
|
625 ccf->username = NGX_USER;
|
|
0
|
626 ccf->user = pwd->pw_uid;
|
|
|
627
|
|
4
|
628 grp = getgrnam(NGX_GROUP);
|
|
0
|
629 if (grp == NULL) {
|
|
|
630 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
4
|
631 "getgrnam(\"" NGX_GROUP "\") failed");
|
|
0
|
632 return NGX_CONF_ERROR;
|
|
|
633 }
|
|
|
634
|
|
|
635 ccf->group = grp->gr_gid;
|
|
|
636 }
|
|
|
637
|
|
|
638 if (ccf->pid.len == 0) {
|
|
|
639 ccf->pid.len = sizeof(NGX_PID_PATH) - 1;
|
|
2
|
640 ccf->pid.data = (u_char *) NGX_PID_PATH;
|
|
0
|
641 }
|
|
|
642
|
|
|
643 if (ngx_conf_full_name(cycle, &ccf->pid) == NGX_ERROR) {
|
|
|
644 return NGX_CONF_ERROR;
|
|
|
645 }
|
|
|
646
|
|
92
|
647 ccf->oldpid.len = ccf->pid.len + sizeof(NGX_OLDPID_EXT);
|
|
0
|
648
|
|
92
|
649 ccf->oldpid.data = ngx_palloc(cycle->pool, ccf->oldpid.len);
|
|
|
650 if (ccf->oldpid.data == NULL) {
|
|
0
|
651 return NGX_CONF_ERROR;
|
|
|
652 }
|
|
|
653
|
|
92
|
654 ngx_memcpy(ngx_cpymem(ccf->oldpid.data, ccf->pid.data, ccf->pid.len),
|
|
|
655 NGX_OLDPID_EXT, sizeof(NGX_OLDPID_EXT));
|
|
0
|
656
|
|
|
657 #endif
|
|
|
658
|
|
|
659 return NGX_CONF_OK;
|
|
|
660 }
|
|
|
661
|
|
|
662
|
|
48
|
663 static char *
|
|
|
664 ngx_set_user(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
0
|
665 {
|
|
10
|
666 #if (NGX_WIN32)
|
|
0
|
667
|
|
|
668 ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
|
|
|
669 "\"user\" is not supported, ignored");
|
|
|
670
|
|
|
671 return NGX_CONF_OK;
|
|
|
672
|
|
|
673 #else
|
|
|
674
|
|
|
675 ngx_core_conf_t *ccf = conf;
|
|
|
676
|
|
4
|
677 char *group;
|
|
0
|
678 struct passwd *pwd;
|
|
|
679 struct group *grp;
|
|
|
680 ngx_str_t *value;
|
|
|
681
|
|
66
|
682 if (ccf->user != (uid_t) NGX_CONF_UNSET_UINT) {
|
|
0
|
683 return "is duplicate";
|
|
|
684 }
|
|
|
685
|
|
4
|
686 if (geteuid() != 0) {
|
|
|
687 ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
|
|
|
688 "the \"user\" directive makes sense only "
|
|
|
689 "if the master process runs "
|
|
|
690 "with super-user privileges, ignored");
|
|
|
691 return NGX_CONF_OK;
|
|
|
692 }
|
|
|
693
|
|
0
|
694 value = (ngx_str_t *) cf->args->elts;
|
|
|
695
|
|
22
|
696 ccf->username = (char *) value[1].data;
|
|
|
697
|
|
0
|
698 pwd = getpwnam((const char *) value[1].data);
|
|
|
699 if (pwd == NULL) {
|
|
|
700 ngx_conf_log_error(NGX_LOG_EMERG, cf, ngx_errno,
|
|
2
|
701 "getpwnam(\"%s\") failed", value[1].data);
|
|
0
|
702 return NGX_CONF_ERROR;
|
|
|
703 }
|
|
|
704
|
|
|
705 ccf->user = pwd->pw_uid;
|
|
|
706
|
|
4
|
707 group = (char *) ((cf->args->nelts == 2) ? value[1].data : value[2].data);
|
|
0
|
708
|
|
4
|
709 grp = getgrnam(group);
|
|
0
|
710 if (grp == NULL) {
|
|
|
711 ngx_conf_log_error(NGX_LOG_EMERG, cf, ngx_errno,
|
|
4
|
712 "getgrnam(\"%s\") failed", group);
|
|
0
|
713 return NGX_CONF_ERROR;
|
|
|
714 }
|
|
|
715
|
|
|
716 ccf->group = grp->gr_gid;
|
|
|
717
|
|
|
718 return NGX_CONF_OK;
|
|
|
719
|
|
|
720 #endif
|
|
|
721 }
|
|
22
|
722
|
|
|
723
|
|
48
|
724 static char *
|
|
|
725 ngx_set_priority(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
22
|
726 {
|
|
|
727 ngx_core_conf_t *ccf = conf;
|
|
|
728
|
|
|
729 ngx_str_t *value;
|
|
|
730 ngx_uint_t n, minus;
|
|
|
731
|
|
|
732 if (ccf->priority != 0) {
|
|
|
733 return "is duplicate";
|
|
|
734 }
|
|
|
735
|
|
|
736 value = cf->args->elts;
|
|
|
737
|
|
|
738 if (value[1].data[0] == '-') {
|
|
|
739 n = 1;
|
|
|
740 minus = 1;
|
|
|
741
|
|
|
742 } else if (value[1].data[0] == '+') {
|
|
|
743 n = 1;
|
|
|
744 minus = 0;
|
|
|
745
|
|
|
746 } else {
|
|
|
747 n = 0;
|
|
|
748 minus = 0;
|
|
|
749 }
|
|
|
750
|
|
|
751 ccf->priority = ngx_atoi(&value[1].data[n], value[1].len - n);
|
|
|
752 if (ccf->priority == NGX_ERROR) {
|
|
|
753 return "invalid number";
|
|
|
754 }
|
|
|
755
|
|
|
756 if (minus) {
|
|
|
757 ccf->priority = -ccf->priority;
|
|
|
758 }
|
|
|
759
|
|
|
760 return NGX_CONF_OK;
|
|
|
761 }
|
|
126
|
762
|
|
|
763
|
|
|
764 static char *
|
|
|
765 ngx_set_cpu_affinity(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
766 {
|
|
|
767 #if (NGX_HAVE_SCHED_SETAFFINITY)
|
|
|
768 ngx_core_conf_t *ccf = conf;
|
|
|
769
|
|
|
770 u_char ch;
|
|
|
771 u_long *mask;
|
|
|
772 ngx_str_t *value;
|
|
|
773 ngx_uint_t i, n;
|
|
|
774
|
|
|
775 if (ccf->cpu_affinity) {
|
|
|
776 return "is duplicate";
|
|
|
777 }
|
|
|
778
|
|
|
779 mask = ngx_palloc(cf->pool, (cf->args->nelts - 1) * sizeof(long));
|
|
|
780 if (mask == NULL) {
|
|
|
781 return NGX_CONF_ERROR;
|
|
|
782 }
|
|
|
783
|
|
|
784 ccf->cpu_affinity_n = cf->args->nelts - 1;
|
|
|
785 ccf->cpu_affinity = mask;
|
|
|
786
|
|
|
787 value = cf->args->elts;
|
|
|
788
|
|
|
789 for (n = 1; n < cf->args->nelts; n++) {
|
|
|
790
|
|
|
791 if (value[n].len > 32) {
|
|
|
792 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
793 "\"worker_cpu_affinity\" supports up to 32 CPU only");
|
|
|
794 return NGX_CONF_ERROR;
|
|
|
795 }
|
|
|
796
|
|
|
797 mask[n - 1] = 0;
|
|
|
798
|
|
|
799 for (i = 0; i < value[n].len; i++) {
|
|
|
800
|
|
|
801 ch = value[n].data[i];
|
|
|
802
|
|
|
803 if (ch == ' ') {
|
|
|
804 continue;
|
|
|
805 }
|
|
|
806
|
|
|
807 mask[n - 1] <<= 1;
|
|
|
808
|
|
|
809 if (ch == '0') {
|
|
|
810 continue;
|
|
|
811 }
|
|
|
812
|
|
|
813 if (ch == '1') {
|
|
|
814 mask[n - 1] |= 1;
|
|
|
815 continue;
|
|
|
816 }
|
|
|
817
|
|
|
818 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
819 "invalid character \"%c\" in \"worker_cpu_affinity\"",
|
|
|
820 ch);
|
|
|
821 return NGX_CONF_ERROR ;
|
|
|
822 }
|
|
|
823 }
|
|
|
824
|
|
|
825 #else
|
|
|
826
|
|
|
827 ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
|
|
|
828 "\"worker_cpu_affinity\" is not supported "
|
|
|
829 "on this platform, ignored");
|
|
|
830 #endif
|
|
|
831
|
|
|
832 return NGX_CONF_OK;
|
|
|
833 }
|
|
|
834
|
|
|
835
|
|
|
836 u_long
|
|
|
837 ngx_get_cpu_affinity(ngx_uint_t n)
|
|
|
838 {
|
|
|
839 ngx_core_conf_t *ccf;
|
|
|
840
|
|
|
841 ccf = (ngx_core_conf_t *) ngx_get_conf(ngx_cycle->conf_ctx,
|
|
|
842 ngx_core_module);
|
|
|
843
|
|
|
844 if (ccf->cpu_affinity == NULL) {
|
|
|
845 return 0;
|
|
|
846 }
|
|
|
847
|
|
|
848 if (ccf->cpu_affinity_n > n) {
|
|
|
849 return ccf->cpu_affinity[n];
|
|
|
850 }
|
|
|
851
|
|
|
852 return ccf->cpu_affinity[ccf->cpu_affinity_n - 1];
|
|
|
853 }
|
