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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 <nginx.h>
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10
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11
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12 static ngx_int_t ngx_add_inherited_sockets(ngx_cycle_t *cycle);
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482
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13 static ngx_int_t ngx_get_options(int argc, char *const *argv);
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14 static ngx_int_t ngx_process_options(ngx_cycle_t *cycle);
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2
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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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278
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19 static char *ngx_set_env(ngx_conf_t *cf, ngx_command_t *cmd, void *conf);
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22
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20 static char *ngx_set_priority(ngx_conf_t *cf, ngx_command_t *cmd, void *conf);
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126
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21 static char *ngx_set_cpu_affinity(ngx_conf_t *cf, ngx_command_t *cmd,
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22 void *conf);
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0
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23
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24
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10
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25 static ngx_conf_enum_t ngx_debug_points[] = {
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26 { ngx_string("stop"), NGX_DEBUG_POINTS_STOP },
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27 { ngx_string("abort"), NGX_DEBUG_POINTS_ABORT },
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28 { ngx_null_string, 0 }
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126
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29 };
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10
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30
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31
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0
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32 static ngx_command_t ngx_core_commands[] = {
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33
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34 { ngx_string("daemon"),
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112
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35 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_FLAG,
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0
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36 ngx_conf_set_flag_slot,
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37 0,
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38 offsetof(ngx_core_conf_t, daemon),
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39 NULL },
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40
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41 { ngx_string("master_process"),
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112
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42 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_FLAG,
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0
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43 ngx_conf_set_flag_slot,
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44 0,
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45 offsetof(ngx_core_conf_t, master),
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46 NULL },
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47
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112
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48 { ngx_string("timer_resolution"),
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49 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
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50 ngx_conf_set_msec_slot,
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51 0,
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52 offsetof(ngx_core_conf_t, timer_resolution),
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53 NULL },
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54
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92
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55 { ngx_string("pid"),
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56 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
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57 ngx_conf_set_str_slot,
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58 0,
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59 offsetof(ngx_core_conf_t, pid),
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60 NULL },
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61
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160
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62 { ngx_string("lock_file"),
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63 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
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64 ngx_conf_set_str_slot,
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65 0,
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66 offsetof(ngx_core_conf_t, lock_file),
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67 NULL },
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68
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0
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69 { ngx_string("worker_processes"),
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70 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
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71 ngx_conf_set_num_slot,
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72 0,
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73 offsetof(ngx_core_conf_t, worker_processes),
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74 NULL },
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75
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10
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76 { ngx_string("debug_points"),
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77 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
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78 ngx_conf_set_enum_slot,
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79 0,
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80 offsetof(ngx_core_conf_t, debug_points),
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81 &ngx_debug_points },
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82
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92
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83 { ngx_string("user"),
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84 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE12,
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85 ngx_set_user,
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86 0,
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87 0,
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88 NULL },
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89
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90 { ngx_string("worker_priority"),
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91 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
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92 ngx_set_priority,
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93 0,
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94 0,
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95 NULL },
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96
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126
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97 { ngx_string("worker_cpu_affinity"),
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98 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_1MORE,
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99 ngx_set_cpu_affinity,
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100 0,
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101 0,
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102 NULL },
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103
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92
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104 { ngx_string("worker_rlimit_nofile"),
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105 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
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106 ngx_conf_set_num_slot,
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107 0,
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108 offsetof(ngx_core_conf_t, rlimit_nofile),
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109 NULL },
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110
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138
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111 { ngx_string("worker_rlimit_core"),
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112 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
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270
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113 ngx_conf_set_size_slot,
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138
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114 0,
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115 offsetof(ngx_core_conf_t, rlimit_core),
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116 NULL },
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117
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92
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118 { ngx_string("worker_rlimit_sigpending"),
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119 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
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120 ngx_conf_set_num_slot,
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121 0,
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122 offsetof(ngx_core_conf_t, rlimit_sigpending),
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123 NULL },
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124
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125 { ngx_string("working_directory"),
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126 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
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127 ngx_conf_set_str_slot,
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128 0,
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129 offsetof(ngx_core_conf_t, working_directory),
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130 NULL },
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131
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278
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132 { ngx_string("env"),
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133 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
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134 ngx_set_env,
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135 0,
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136 0,
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137 NULL },
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138
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0
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139 #if (NGX_THREADS)
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140
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141 { ngx_string("worker_threads"),
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142 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
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143 ngx_conf_set_num_slot,
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144 0,
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145 offsetof(ngx_core_conf_t, worker_threads),
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146 NULL },
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147
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148 { ngx_string("thread_stack_size"),
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149 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
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150 ngx_conf_set_size_slot,
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151 0,
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152 offsetof(ngx_core_conf_t, thread_stack_size),
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153 NULL },
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154
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155 #endif
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156
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157 ngx_null_command
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158 };
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159
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160
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161 static ngx_core_module_t ngx_core_module_ctx = {
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162 ngx_string("core"),
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163 ngx_core_module_create_conf,
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164 ngx_core_module_init_conf
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165 };
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166
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167
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168 ngx_module_t ngx_core_module = {
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58
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169 NGX_MODULE_V1,
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0
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170 &ngx_core_module_ctx, /* module context */
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171 ngx_core_commands, /* module directives */
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172 NGX_CORE_MODULE, /* module type */
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90
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173 NULL, /* init master */
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0
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174 NULL, /* init module */
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90
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175 NULL, /* init process */
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176 NULL, /* init thread */
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177 NULL, /* exit thread */
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178 NULL, /* exit process */
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179 NULL, /* exit master */
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180 NGX_MODULE_V1_PADDING
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0
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181 };
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182
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183
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480
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184 ngx_uint_t ngx_max_module;
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0
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185
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482
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186 static ngx_uint_t ngx_show_help;
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480
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187 static ngx_uint_t ngx_show_version;
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188 static ngx_uint_t ngx_show_configure;
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482
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189 static u_char *ngx_prefix;
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190 static u_char *ngx_conf_file;
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191 static u_char *ngx_conf_params;
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480
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192 static char *ngx_signal;
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193
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188
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194
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278
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195 static char **ngx_os_environ;
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150
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196
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0
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197
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52
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198 int ngx_cdecl
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48
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199 main(int argc, char *const *argv)
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0
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200 {
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2
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201 ngx_int_t i;
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202 ngx_log_t *log;
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203 ngx_cycle_t *cycle, init_cycle;
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204 ngx_core_conf_t *ccf;
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0
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205
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482
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206 if (ngx_get_options(argc, argv) != NGX_OK) {
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207 return 1;
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208 }
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209
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210 if (ngx_show_version) {
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211 ngx_log_stderr(0, "nginx version: " NGINX_VER);
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212
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213 if (ngx_show_help) {
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214 ngx_log_stderr(0,
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215 "Usage: nginx [-?hvVt] [-s signal] [-c filename] "
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484
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216 "[-p prefix] [-g directives]" CRLF CRLF
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482
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217 "Options:" CRLF
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218 " -?,-h : this help" CRLF
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219 " -v : show version and exit" CRLF
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220 " -V : show version and configure options then exit"
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221 CRLF
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222 " -t : test configuration and exit" CRLF
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223 " -s signal : send signal to a master process: "
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224 "stop, quit, reopen, reload" CRLF
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225 #ifdef NGX_PREFIX
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226 " -p prefix : set prefix path (default: "
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227 NGX_PREFIX ")" CRLF
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228 #else
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229 " -p prefix : set prefix path (default: NONE)" CRLF
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230 #endif
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231 " -c filename : set configuration file (default: "
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232 NGX_CONF_PATH ")" CRLF
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233 " -g directives : set global directives out of configuration "
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234 "file" CRLF
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235 );
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236 }
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237
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238 if (ngx_show_configure) {
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239 #ifdef NGX_COMPILER
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240 ngx_log_stderr(0, "built by " NGX_COMPILER);
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241 #endif
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242 ngx_log_stderr(0, "configure arguments:" NGX_CONFIGURE);
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243 }
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244
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245 if (!ngx_test_config) {
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246 return 0;
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247 }
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248 }
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249
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4
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250 #if (NGX_FREEBSD)
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0
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251 ngx_debug_init();
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252 #endif
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253
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254 /* TODO */ ngx_max_sockets = -1;
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255
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256 ngx_time_init();
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257
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4
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258 #if (NGX_PCRE)
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0
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259 ngx_regex_init();
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260 #endif
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261
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262 ngx_pid = ngx_getpid();
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263
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482
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264 log = ngx_log_init(ngx_prefix);
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50
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265 if (log == NULL) {
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0
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266 return 1;
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267 }
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268
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90
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269 /* STUB */
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0
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270 #if (NGX_OPENSSL)
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271 ngx_ssl_init(log);
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272 #endif
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273
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482
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274 /*
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275 * init_cycle->log is required for signal handlers and
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276 * ngx_process_options()
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277 */
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0
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278
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279 ngx_memzero(&init_cycle, sizeof(ngx_cycle_t));
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280 init_cycle.log = log;
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281 ngx_cycle = &init_cycle;
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282
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50
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283 init_cycle.pool = ngx_create_pool(1024, log);
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284 if (init_cycle.pool == NULL) {
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0
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285 return 1;
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286 }
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287
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160
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288 if (ngx_save_argv(&init_cycle, argc, argv) != NGX_OK) {
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2
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289 return 1;
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290 }
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291
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482
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292 if (ngx_process_options(&init_cycle) != NGX_OK) {
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0
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293 return 1;
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294 }
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295
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160
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296 if (ngx_os_init(log) != NGX_OK) {
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0
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297 return 1;
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298 }
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299
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356
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300 /*
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301 * ngx_crc32_table_init() requires ngx_cacheline_size set in ngx_os_init()
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302 */
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270
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303
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356
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304 if (ngx_crc32_table_init() != NGX_OK) {
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270
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305 return 1;
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306 }
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307
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160
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308 if (ngx_add_inherited_sockets(&init_cycle) != NGX_OK) {
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0
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309 return 1;
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310 }
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311
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312 ngx_max_module = 0;
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313 for (i = 0; ngx_modules[i]; i++) {
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314 ngx_modules[i]->index = ngx_max_module++;
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315 }
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316
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317 cycle = ngx_init_cycle(&init_cycle);
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318 if (cycle == NULL) {
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319 if (ngx_test_config) {
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482
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320 ngx_log_stderr(0, "configuration file %s test failed",
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480
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321 init_cycle.conf_file.data);
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0
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322 }
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323
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324 return 1;
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325 }
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326
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327 if (ngx_test_config) {
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482
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328 ngx_log_stderr(0, "configuration file %s test is successful",
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480
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329 cycle->conf_file.data);
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0
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330 return 0;
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331 }
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332
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333 ngx_os_status(cycle->log);
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334
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335 ngx_cycle = cycle;
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336
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337 ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, ngx_core_module);
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338
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480
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339 if (ccf->master && ngx_process == NGX_PROCESS_SINGLE) {
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340 ngx_process = NGX_PROCESS_MASTER;
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341 }
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0
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342
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480
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343 if (ngx_signal) {
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344 return ngx_signal_process(cycle, ngx_signal);
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0
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345 }
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346
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482
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347 #if !(NGX_WIN32)
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0
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348
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160
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349 if (ngx_init_signals(cycle->log) != NGX_OK) {
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88
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350 return 1;
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351 }
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352
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0
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353 if (!ngx_inherited && ccf->daemon) {
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160
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354 if (ngx_daemon(cycle->log) != NGX_OK) {
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0
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355 return 1;
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356 }
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357
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358 ngx_daemonized = 1;
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359 }
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360
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480
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361 #endif
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362
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160
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363 if (ngx_create_pidfile(&ccf->pid, cycle->log) != NGX_OK) {
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0
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364 return 1;
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365 }
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366
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482
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367 if (cycle->log->file->fd != ngx_stderr) {
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368
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369 if (ngx_set_stderr(cycle->log->file->fd) == NGX_FILE_ERROR) {
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370 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
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371 ngx_set_stderr_n " failed");
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372 return 1;
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373 }
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374 }
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375
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376 ngx_use_stderr = 0;
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377
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480
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378 if (ngx_process == NGX_PROCESS_SINGLE) {
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379 ngx_single_process_cycle(cycle);
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0
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380
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381 } else {
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480
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382 ngx_master_process_cycle(cycle);
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0
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383 }
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384
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385 return 0;
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386 }
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387
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388
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48
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389 static ngx_int_t
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390 ngx_add_inherited_sockets(ngx_cycle_t *cycle)
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0
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391 {
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50
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392 u_char *p, *v, *inherited;
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393 ngx_int_t s;
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394 ngx_listening_t *ls;
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0
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395
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396 inherited = (u_char *) getenv(NGINX_VAR);
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397
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|
|
398 if (inherited == NULL) {
|
|
|
399 return NGX_OK;
|
|
|
400 }
|
|
|
401
|
|
10
|
402 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0,
|
|
0
|
403 "using inherited sockets from \"%s\"", inherited);
|
|
|
404
|
|
10
|
405 if (ngx_array_init(&cycle->listening, cycle->pool, 10,
|
|
242
|
406 sizeof(ngx_listening_t))
|
|
454
|
407 != NGX_OK)
|
|
10
|
408 {
|
|
|
409 return NGX_ERROR;
|
|
|
410 }
|
|
0
|
411
|
|
|
412 for (p = inherited, v = p; *p; p++) {
|
|
|
413 if (*p == ':' || *p == ';') {
|
|
|
414 s = ngx_atoi(v, p - v);
|
|
|
415 if (s == NGX_ERROR) {
|
|
|
416 ngx_log_error(NGX_LOG_EMERG, cycle->log, 0,
|
|
86
|
417 "invalid socket number \"%s\" in " NGINX_VAR
|
|
|
418 " environment variable, ignoring the rest"
|
|
|
419 " of the variable", v);
|
|
0
|
420 break;
|
|
|
421 }
|
|
|
422
|
|
|
423 v = p + 1;
|
|
|
424
|
|
50
|
425 ls = ngx_array_push(&cycle->listening);
|
|
|
426 if (ls == NULL) {
|
|
0
|
427 return NGX_ERROR;
|
|
|
428 }
|
|
|
429
|
|
72
|
430 ngx_memzero(ls, sizeof(ngx_listening_t));
|
|
|
431
|
|
50
|
432 ls->fd = (ngx_socket_t) s;
|
|
0
|
433 }
|
|
|
434 }
|
|
|
435
|
|
|
436 ngx_inherited = 1;
|
|
|
437
|
|
|
438 return ngx_set_inherited_sockets(cycle);
|
|
|
439 }
|
|
|
440
|
|
|
441
|
|
278
|
442 char **
|
|
|
443 ngx_set_environment(ngx_cycle_t *cycle, ngx_uint_t *last)
|
|
|
444 {
|
|
|
445 char **p, **env;
|
|
|
446 ngx_str_t *var;
|
|
|
447 ngx_uint_t i, n;
|
|
|
448 ngx_core_conf_t *ccf;
|
|
|
449
|
|
|
450 ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, ngx_core_module);
|
|
|
451
|
|
280
|
452 if (last == NULL && ccf->environment) {
|
|
|
453 return ccf->environment;
|
|
278
|
454 }
|
|
|
455
|
|
|
456 var = ccf->env.elts;
|
|
|
457
|
|
|
458 for (i = 0; i < ccf->env.nelts; i++) {
|
|
|
459 if (ngx_strcmp(var[i].data, "TZ") == 0
|
|
|
460 || ngx_strncmp(var[i].data, "TZ=", 3) == 0)
|
|
|
461 {
|
|
|
462 goto tz_found;
|
|
|
463 }
|
|
|
464 }
|
|
|
465
|
|
|
466 var = ngx_array_push(&ccf->env);
|
|
322
|
467 if (var == NULL) {
|
|
|
468 return NULL;
|
|
|
469 }
|
|
278
|
470
|
|
|
471 var->len = 2;
|
|
|
472 var->data = (u_char *) "TZ";
|
|
|
473
|
|
|
474 var = ccf->env.elts;
|
|
|
475
|
|
|
476 tz_found:
|
|
|
477
|
|
280
|
478 n = 0;
|
|
|
479
|
|
278
|
480 for (i = 0; i < ccf->env.nelts; i++) {
|
|
|
481
|
|
|
482 if (var[i].data[var[i].len] == '=') {
|
|
|
483 n++;
|
|
|
484 continue;
|
|
|
485 }
|
|
|
486
|
|
|
487 for (p = ngx_os_environ; *p; p++) {
|
|
|
488
|
|
|
489 if (ngx_strncmp(*p, var[i].data, var[i].len) == 0
|
|
|
490 && (*p)[var[i].len] == '=')
|
|
|
491 {
|
|
|
492 n++;
|
|
|
493 break;
|
|
|
494 }
|
|
|
495 }
|
|
|
496 }
|
|
|
497
|
|
|
498 if (last) {
|
|
280
|
499 env = ngx_alloc((*last + n + 1) * sizeof(char *), cycle->log);
|
|
278
|
500 *last = n;
|
|
|
501
|
|
|
502 } else {
|
|
|
503 env = ngx_palloc(cycle->pool, (n + 1) * sizeof(char *));
|
|
|
504 }
|
|
|
505
|
|
|
506 if (env == NULL) {
|
|
|
507 return NULL;
|
|
|
508 }
|
|
|
509
|
|
|
510 n = 0;
|
|
|
511
|
|
|
512 for (i = 0; i < ccf->env.nelts; i++) {
|
|
|
513
|
|
|
514 if (var[i].data[var[i].len] == '=') {
|
|
|
515 env[n++] = (char *) var[i].data;
|
|
|
516 continue;
|
|
|
517 }
|
|
|
518
|
|
|
519 for (p = ngx_os_environ; *p; p++) {
|
|
|
520
|
|
|
521 if (ngx_strncmp(*p, var[i].data, var[i].len) == 0
|
|
|
522 && (*p)[var[i].len] == '=')
|
|
|
523 {
|
|
|
524 env[n++] = *p;
|
|
|
525 break;
|
|
|
526 }
|
|
|
527 }
|
|
|
528 }
|
|
|
529
|
|
|
530 env[n] = NULL;
|
|
|
531
|
|
|
532 if (last == NULL) {
|
|
|
533 ccf->environment = env;
|
|
|
534 environ = env;
|
|
|
535 }
|
|
|
536
|
|
|
537 return env;
|
|
|
538 }
|
|
|
539
|
|
|
540
|
|
92
|
541 ngx_pid_t
|
|
|
542 ngx_exec_new_binary(ngx_cycle_t *cycle, char *const *argv)
|
|
0
|
543 {
|
|
278
|
544 char **env, *var;
|
|
|
545 u_char *p;
|
|
|
546 ngx_uint_t i, n;
|
|
|
547 ngx_pid_t pid;
|
|
|
548 ngx_exec_ctx_t ctx;
|
|
|
549 ngx_core_conf_t *ccf;
|
|
|
550 ngx_listening_t *ls;
|
|
0
|
551
|
|
482
|
552 ngx_memzero(&ctx, sizeof(ngx_exec_ctx_t));
|
|
|
553
|
|
0
|
554 ctx.path = argv[0];
|
|
|
555 ctx.name = "new binary process";
|
|
|
556 ctx.argv = argv;
|
|
|
557
|
|
278
|
558 n = 2;
|
|
|
559 env = ngx_set_environment(cycle, &n);
|
|
|
560 if (env == NULL) {
|
|
|
561 return NGX_INVALID_PID;
|
|
|
562 }
|
|
|
563
|
|
0
|
564 var = ngx_alloc(sizeof(NGINX_VAR)
|
|
50
|
565 + cycle->listening.nelts * (NGX_INT32_LEN + 1) + 2,
|
|
0
|
566 cycle->log);
|
|
|
567
|
|
10
|
568 p = ngx_cpymem(var, NGINX_VAR "=", sizeof(NGINX_VAR));
|
|
0
|
569
|
|
|
570 ls = cycle->listening.elts;
|
|
|
571 for (i = 0; i < cycle->listening.nelts; i++) {
|
|
10
|
572 p = ngx_sprintf(p, "%ud;", ls[i].fd);
|
|
0
|
573 }
|
|
|
574
|
|
10
|
575 *p = '\0';
|
|
|
576
|
|
278
|
577 env[n++] = var;
|
|
2
|
578
|
|
|
579 #if (NGX_SETPROCTITLE_USES_ENV)
|
|
|
580
|
|
10
|
581 /* allocate the spare 300 bytes for the new binary process title */
|
|
2
|
582
|
|
278
|
583 env[n++] = "SPARE=XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
|
|
|
584 "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
|
|
|
585 "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
|
|
|
586 "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
|
|
|
587 "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX";
|
|
2
|
588
|
|
|
589 #endif
|
|
|
590
|
|
278
|
591 env[n] = NULL;
|
|
|
592
|
|
|
593 #if (NGX_DEBUG)
|
|
|
594 {
|
|
|
595 char **e;
|
|
|
596 for (e = env; *e; e++) {
|
|
|
597 ngx_log_debug1(NGX_LOG_DEBUG_CORE, cycle->log, 0, "env: %s", *e);
|
|
|
598 }
|
|
|
599 }
|
|
|
600 #endif
|
|
|
601
|
|
|
602 ctx.envp = (char *const *) env;
|
|
0
|
603
|
|
92
|
604 ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, ngx_core_module);
|
|
|
605
|
|
278
|
606 if (ngx_rename_file(ccf->pid.data, ccf->oldpid.data) != NGX_OK) {
|
|
92
|
607 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
|
|
|
608 ngx_rename_file_n " %s to %s failed "
|
|
|
609 "before executing new binary process \"%s\"",
|
|
|
610 ccf->pid.data, ccf->oldpid.data, argv[0]);
|
|
|
611
|
|
278
|
612 ngx_free(env);
|
|
92
|
613 ngx_free(var);
|
|
|
614
|
|
|
615 return NGX_INVALID_PID;
|
|
|
616 }
|
|
|
617
|
|
0
|
618 pid = ngx_execute(cycle, &ctx);
|
|
|
619
|
|
92
|
620 if (pid == NGX_INVALID_PID) {
|
|
278
|
621 if (ngx_rename_file(ccf->oldpid.data, ccf->pid.data) != NGX_OK) {
|
|
92
|
622 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
|
|
278
|
623 ngx_rename_file_n " %s back to %s failed after "
|
|
|
624 "the try to execute the new binary process \"%s\"",
|
|
92
|
625 ccf->oldpid.data, ccf->pid.data, argv[0]);
|
|
|
626 }
|
|
|
627 }
|
|
|
628
|
|
278
|
629 ngx_free(env);
|
|
0
|
630 ngx_free(var);
|
|
|
631
|
|
|
632 return pid;
|
|
|
633 }
|
|
|
634
|
|
|
635
|
|
92
|
636 static ngx_int_t
|
|
482
|
637 ngx_get_options(int argc, char *const *argv)
|
|
0
|
638 {
|
|
482
|
639 u_char *p;
|
|
|
640 ngx_int_t i;
|
|
0
|
641
|
|
2
|
642 for (i = 1; i < argc; i++) {
|
|
482
|
643
|
|
|
644 p = (u_char *) argv[i];
|
|
|
645
|
|
|
646 if (*p++ != '-') {
|
|
|
647 ngx_log_stderr(0, "invalid option: \"%s\"", argv[i]);
|
|
0
|
648 return NGX_ERROR;
|
|
|
649 }
|
|
|
650
|
|
482
|
651 while (*p) {
|
|
|
652
|
|
|
653 switch (*p++) {
|
|
0
|
654
|
|
482
|
655 case '?':
|
|
|
656 case 'h':
|
|
|
657 ngx_show_version = 1;
|
|
|
658 ngx_show_help = 1;
|
|
|
659 break;
|
|
|
660
|
|
|
661 case 'v':
|
|
|
662 ngx_show_version = 1;
|
|
|
663 break;
|
|
|
664
|
|
|
665 case 'V':
|
|
|
666 ngx_show_version = 1;
|
|
|
667 ngx_show_configure = 1;
|
|
|
668 break;
|
|
188
|
669
|
|
482
|
670 case 't':
|
|
|
671 ngx_test_config = 1;
|
|
|
672 break;
|
|
|
673
|
|
|
674 case 'p':
|
|
|
675 if (*p) {
|
|
|
676 ngx_prefix = p;
|
|
|
677 goto next;
|
|
|
678 }
|
|
270
|
679
|
|
482
|
680 if (argv[++i]) {
|
|
|
681 ngx_prefix = (u_char *) argv[i];
|
|
|
682 goto next;
|
|
|
683 }
|
|
|
684
|
|
|
685 ngx_log_stderr(0, "option \"-p\" requires directory name");
|
|
|
686 return NGX_ERROR;
|
|
|
687
|
|
|
688 case 'c':
|
|
|
689 if (*p) {
|
|
|
690 ngx_conf_file = p;
|
|
|
691 goto next;
|
|
|
692 }
|
|
0
|
693
|
|
482
|
694 if (argv[++i]) {
|
|
|
695 ngx_conf_file = (u_char *) argv[i];
|
|
|
696 goto next;
|
|
|
697 }
|
|
|
698
|
|
|
699 ngx_log_stderr(0, "option \"-c\" requires file name");
|
|
0
|
700 return NGX_ERROR;
|
|
482
|
701
|
|
|
702 case 'g':
|
|
|
703 if (*p) {
|
|
|
704 ngx_conf_params = p;
|
|
|
705 goto next;
|
|
|
706 }
|
|
|
707
|
|
|
708 if (argv[++i]) {
|
|
|
709 ngx_conf_params = (u_char *) argv[i];
|
|
|
710 goto next;
|
|
|
711 }
|
|
|
712
|
|
|
713 ngx_log_stderr(0, "option \"-g\" requires parameter");
|
|
|
714 return NGX_ERROR;
|
|
0
|
715
|
|
482
|
716 case 's':
|
|
|
717 if (*p) {
|
|
|
718 ngx_signal = (char *) p;
|
|
|
719
|
|
|
720 } else if (argv[++i]) {
|
|
|
721 ngx_signal = argv[i];
|
|
|
722
|
|
|
723 } else {
|
|
|
724 ngx_log_stderr(0, "option \"-s\" requires parameter");
|
|
|
725 return NGX_ERROR;
|
|
|
726 }
|
|
0
|
727
|
|
482
|
728 if (ngx_strcmp(ngx_signal, "stop") == 0
|
|
|
729 || ngx_strcmp(ngx_signal, "quit") == 0
|
|
|
730 || ngx_strcmp(ngx_signal, "reopen") == 0
|
|
|
731 || ngx_strcmp(ngx_signal, "reload") == 0)
|
|
|
732 {
|
|
|
733 ngx_process = NGX_PROCESS_SIGNALLER;
|
|
|
734 goto next;
|
|
|
735 }
|
|
|
736
|
|
|
737 ngx_log_stderr(0, "invalid option: \"-s %s\"", ngx_signal);
|
|
|
738 return NGX_ERROR;
|
|
|
739
|
|
|
740 default:
|
|
|
741 ngx_log_stderr(0, "invalid option: \"%c\"", *(p - 1));
|
|
384
|
742 return NGX_ERROR;
|
|
|
743 }
|
|
482
|
744 }
|
|
480
|
745
|
|
482
|
746 next:
|
|
480
|
747
|
|
482
|
748 continue;
|
|
0
|
749 }
|
|
|
750
|
|
|
751 return NGX_OK;
|
|
|
752 }
|
|
|
753
|
|
|
754
|
|
48
|
755 static ngx_int_t
|
|
|
756 ngx_save_argv(ngx_cycle_t *cycle, int argc, char *const *argv)
|
|
2
|
757 {
|
|
50
|
758 #if (NGX_FREEBSD)
|
|
|
759
|
|
|
760 ngx_os_argv = (char **) argv;
|
|
|
761 ngx_argc = argc;
|
|
|
762 ngx_argv = (char **) argv;
|
|
|
763
|
|
|
764 #else
|
|
2
|
765 size_t len;
|
|
|
766 ngx_int_t i;
|
|
|
767
|
|
|
768 ngx_os_argv = (char **) argv;
|
|
|
769 ngx_argc = argc;
|
|
|
770
|
|
50
|
771 ngx_argv = ngx_alloc((argc + 1) * sizeof(char *), cycle->log);
|
|
|
772 if (ngx_argv == NULL) {
|
|
2
|
773 return NGX_ERROR;
|
|
|
774 }
|
|
|
775
|
|
|
776 for (i = 0; i < argc; i++) {
|
|
|
777 len = ngx_strlen(argv[i]) + 1;
|
|
|
778
|
|
50
|
779 ngx_argv[i] = ngx_alloc(len, cycle->log);
|
|
|
780 if (ngx_argv[i] == NULL) {
|
|
2
|
781 return NGX_ERROR;
|
|
|
782 }
|
|
|
783
|
|
66
|
784 (void) ngx_cpystrn((u_char *) ngx_argv[i], (u_char *) argv[i], len);
|
|
2
|
785 }
|
|
|
786
|
|
|
787 ngx_argv[i] = NULL;
|
|
|
788
|
|
|
789 #endif
|
|
|
790
|
|
278
|
791 ngx_os_environ = environ;
|
|
|
792
|
|
2
|
793 return NGX_OK;
|
|
|
794 }
|
|
|
795
|
|
|
796
|
|
482
|
797 static ngx_int_t
|
|
|
798 ngx_process_options(ngx_cycle_t *cycle)
|
|
|
799 {
|
|
|
800 u_char *p;
|
|
|
801 size_t len;
|
|
|
802
|
|
|
803 if (ngx_prefix) {
|
|
|
804 len = ngx_strlen(ngx_prefix);
|
|
|
805 p = ngx_prefix;
|
|
|
806
|
|
|
807 if (!ngx_path_separator(*p)) {
|
|
|
808 p = ngx_pnalloc(cycle->pool, len + 1);
|
|
|
809 if (p == NULL) {
|
|
|
810 return NGX_ERROR;
|
|
|
811 }
|
|
|
812
|
|
|
813 ngx_memcpy(p, ngx_prefix, len);
|
|
|
814 p[len++] = '/';
|
|
|
815 }
|
|
|
816
|
|
|
817 cycle->conf_prefix.len = len;
|
|
|
818 cycle->conf_prefix.data = p;
|
|
|
819 cycle->prefix.len = len;
|
|
|
820 cycle->prefix.data = p;
|
|
|
821
|
|
|
822 } else {
|
|
|
823
|
|
|
824 #ifndef NGX_PREFIX
|
|
|
825
|
|
|
826 p = ngx_pnalloc(cycle->pool, NGX_MAX_PATH);
|
|
|
827 if (p == NULL) {
|
|
|
828 return NGX_ERROR;
|
|
|
829 }
|
|
|
830
|
|
|
831 if (ngx_getcwd(p, NGX_MAX_PATH) == 0) {
|
|
|
832 ngx_log_stderr(ngx_errno, "[emerg]: " ngx_getcwd_n " failed");
|
|
|
833 return NGX_ERROR;
|
|
|
834 }
|
|
|
835
|
|
|
836 len = ngx_strlen(p);
|
|
|
837
|
|
|
838 p[len++] = '/';
|
|
|
839
|
|
|
840 cycle->conf_prefix.len = len;
|
|
|
841 cycle->conf_prefix.data = p;
|
|
|
842 cycle->prefix.len = len;
|
|
|
843 cycle->prefix.data = p;
|
|
|
844
|
|
|
845 #else
|
|
|
846
|
|
|
847 #ifdef NGX_CONF_PREFIX
|
|
|
848 cycle->conf_prefix.len = sizeof(NGX_CONF_PREFIX) - 1;
|
|
|
849 cycle->conf_prefix.data = (u_char *) NGX_CONF_PREFIX;
|
|
|
850 #else
|
|
|
851 cycle->conf_prefix.len = sizeof(NGX_PREFIX) - 1;
|
|
|
852 cycle->conf_prefix.data = (u_char *) NGX_PREFIX;
|
|
|
853 #endif
|
|
|
854 cycle->prefix.len = sizeof(NGX_PREFIX) - 1;
|
|
|
855 cycle->prefix.data = (u_char *) NGX_PREFIX;
|
|
|
856
|
|
|
857 #endif
|
|
|
858 }
|
|
|
859
|
|
|
860 if (ngx_conf_file) {
|
|
|
861 cycle->conf_file.len = ngx_strlen(ngx_conf_file);
|
|
|
862 cycle->conf_file.data = ngx_conf_file;
|
|
|
863
|
|
|
864 } else {
|
|
|
865 cycle->conf_file.len = sizeof(NGX_CONF_PATH) - 1;
|
|
|
866 cycle->conf_file.data = (u_char *) NGX_CONF_PATH;
|
|
|
867 }
|
|
|
868
|
|
|
869 if (ngx_conf_full_name(cycle, &cycle->conf_file, 0) != NGX_OK) {
|
|
|
870 return NGX_ERROR;
|
|
|
871 }
|
|
|
872
|
|
|
873 for (p = cycle->conf_file.data + cycle->conf_file.len - 1;
|
|
|
874 p > cycle->conf_file.data;
|
|
|
875 p--)
|
|
|
876 {
|
|
|
877 if (ngx_path_separator(*p)) {
|
|
|
878 cycle->conf_prefix.len = p - ngx_cycle->conf_file.data + 1;
|
|
|
879 cycle->conf_prefix.data = ngx_cycle->conf_file.data;
|
|
|
880 break;
|
|
|
881 }
|
|
|
882 }
|
|
|
883
|
|
|
884 if (ngx_conf_params) {
|
|
|
885 cycle->conf_param.len = ngx_strlen(ngx_conf_params);
|
|
|
886 cycle->conf_param.data = ngx_conf_params;
|
|
|
887 }
|
|
|
888
|
|
|
889 if (ngx_test_config) {
|
|
|
890 cycle->log->log_level = NGX_LOG_INFO;
|
|
|
891 }
|
|
|
892
|
|
|
893 return NGX_OK;
|
|
|
894 }
|
|
|
895
|
|
|
896
|
|
48
|
897 static void *
|
|
|
898 ngx_core_module_create_conf(ngx_cycle_t *cycle)
|
|
0
|
899 {
|
|
|
900 ngx_core_conf_t *ccf;
|
|
|
901
|
|
50
|
902 ccf = ngx_pcalloc(cycle->pool, sizeof(ngx_core_conf_t));
|
|
|
903 if (ccf == NULL) {
|
|
0
|
904 return NULL;
|
|
|
905 }
|
|
28
|
906
|
|
|
907 /*
|
|
|
908 * set by pcalloc()
|
|
0
|
909 *
|
|
28
|
910 * ccf->pid = NULL;
|
|
92
|
911 * ccf->oldpid = NULL;
|
|
28
|
912 * ccf->priority = 0;
|
|
126
|
913 * ccf->cpu_affinity_n = 0;
|
|
|
914 * ccf->cpu_affinity = NULL;
|
|
0
|
915 */
|
|
28
|
916
|
|
0
|
917 ccf->daemon = NGX_CONF_UNSET;
|
|
|
918 ccf->master = NGX_CONF_UNSET;
|
|
112
|
919 ccf->timer_resolution = NGX_CONF_UNSET_MSEC;
|
|
|
920
|
|
0
|
921 ccf->worker_processes = NGX_CONF_UNSET;
|
|
10
|
922 ccf->debug_points = NGX_CONF_UNSET;
|
|
92
|
923
|
|
|
924 ccf->rlimit_nofile = NGX_CONF_UNSET;
|
|
270
|
925 ccf->rlimit_core = NGX_CONF_UNSET_SIZE;
|
|
92
|
926 ccf->rlimit_sigpending = NGX_CONF_UNSET;
|
|
|
927
|
|
66
|
928 ccf->user = (ngx_uid_t) NGX_CONF_UNSET_UINT;
|
|
|
929 ccf->group = (ngx_gid_t) NGX_CONF_UNSET_UINT;
|
|
92
|
930
|
|
0
|
931 #if (NGX_THREADS)
|
|
|
932 ccf->worker_threads = NGX_CONF_UNSET;
|
|
10
|
933 ccf->thread_stack_size = NGX_CONF_UNSET_SIZE;
|
|
0
|
934 #endif
|
|
|
935
|
|
278
|
936 if (ngx_array_init(&ccf->env, cycle->pool, 1, sizeof(ngx_str_t))
|
|
|
937 != NGX_OK)
|
|
|
938 {
|
|
|
939 return NULL;
|
|
|
940 }
|
|
|
941
|
|
0
|
942 return ccf;
|
|
|
943 }
|
|
|
944
|
|
|
945
|
|
48
|
946 static char *
|
|
|
947 ngx_core_module_init_conf(ngx_cycle_t *cycle, void *conf)
|
|
0
|
948 {
|
|
|
949 ngx_core_conf_t *ccf = conf;
|
|
|
950
|
|
|
951 ngx_conf_init_value(ccf->daemon, 1);
|
|
|
952 ngx_conf_init_value(ccf->master, 1);
|
|
112
|
953 ngx_conf_init_msec_value(ccf->timer_resolution, 0);
|
|
|
954
|
|
0
|
955 ngx_conf_init_value(ccf->worker_processes, 1);
|
|
10
|
956 ngx_conf_init_value(ccf->debug_points, 0);
|
|
0
|
957
|
|
126
|
958 #if (NGX_HAVE_SCHED_SETAFFINITY)
|
|
|
959
|
|
|
960 if (ccf->cpu_affinity_n
|
|
|
961 && ccf->cpu_affinity_n != 1
|
|
|
962 && ccf->cpu_affinity_n != (ngx_uint_t) ccf->worker_processes)
|
|
|
963 {
|
|
|
964 ngx_log_error(NGX_LOG_WARN, cycle->log, 0,
|
|
|
965 "number of the \"worker_processes\" is not equal to "
|
|
|
966 "the number of the \"worker_cpu_affinity\" mask, "
|
|
|
967 "using last mask for remaining worker processes");
|
|
|
968 }
|
|
|
969
|
|
|
970 #endif
|
|
|
971
|
|
0
|
972 #if (NGX_THREADS)
|
|
126
|
973
|
|
0
|
974 ngx_conf_init_value(ccf->worker_threads, 0);
|
|
|
975 ngx_threads_n = ccf->worker_threads;
|
|
|
976 ngx_conf_init_size_value(ccf->thread_stack_size, 2 * 1024 * 1024);
|
|
126
|
977
|
|
0
|
978 #endif
|
|
|
979
|
|
480
|
980
|
|
|
981 if (ccf->pid.len == 0) {
|
|
|
982 ccf->pid.len = sizeof(NGX_PID_PATH) - 1;
|
|
|
983 ccf->pid.data = (u_char *) NGX_PID_PATH;
|
|
|
984 }
|
|
|
985
|
|
|
986 if (ngx_conf_full_name(cycle, &ccf->pid, 0) != NGX_OK) {
|
|
|
987 return NGX_CONF_ERROR;
|
|
|
988 }
|
|
|
989
|
|
|
990 ccf->oldpid.len = ccf->pid.len + sizeof(NGX_OLDPID_EXT);
|
|
|
991
|
|
|
992 ccf->oldpid.data = ngx_pnalloc(cycle->pool, ccf->oldpid.len);
|
|
|
993 if (ccf->oldpid.data == NULL) {
|
|
|
994 return NGX_CONF_ERROR;
|
|
|
995 }
|
|
|
996
|
|
|
997 ngx_memcpy(ngx_cpymem(ccf->oldpid.data, ccf->pid.data, ccf->pid.len),
|
|
|
998 NGX_OLDPID_EXT, sizeof(NGX_OLDPID_EXT));
|
|
|
999
|
|
|
1000
|
|
10
|
1001 #if !(NGX_WIN32)
|
|
0
|
1002
|
|
66
|
1003 if (ccf->user == (uid_t) NGX_CONF_UNSET_UINT && geteuid() == 0) {
|
|
356
|
1004 struct group *grp;
|
|
|
1005 struct passwd *pwd;
|
|
0
|
1006
|
|
318
|
1007 ngx_set_errno(0);
|
|
4
|
1008 pwd = getpwnam(NGX_USER);
|
|
0
|
1009 if (pwd == NULL) {
|
|
|
1010 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
4
|
1011 "getpwnam(\"" NGX_USER "\") failed");
|
|
0
|
1012 return NGX_CONF_ERROR;
|
|
|
1013 }
|
|
|
1014
|
|
22
|
1015 ccf->username = NGX_USER;
|
|
0
|
1016 ccf->user = pwd->pw_uid;
|
|
|
1017
|
|
318
|
1018 ngx_set_errno(0);
|
|
4
|
1019 grp = getgrnam(NGX_GROUP);
|
|
0
|
1020 if (grp == NULL) {
|
|
|
1021 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
4
|
1022 "getgrnam(\"" NGX_GROUP "\") failed");
|
|
0
|
1023 return NGX_CONF_ERROR;
|
|
|
1024 }
|
|
|
1025
|
|
|
1026 ccf->group = grp->gr_gid;
|
|
|
1027 }
|
|
|
1028
|
|
258
|
1029
|
|
160
|
1030 if (ccf->lock_file.len == 0) {
|
|
|
1031 ccf->lock_file.len = sizeof(NGX_LOCK_PATH) - 1;
|
|
|
1032 ccf->lock_file.data = (u_char *) NGX_LOCK_PATH;
|
|
|
1033 }
|
|
|
1034
|
|
454
|
1035 if (ngx_conf_full_name(cycle, &ccf->lock_file, 0) != NGX_OK) {
|
|
160
|
1036 return NGX_CONF_ERROR;
|
|
|
1037 }
|
|
|
1038
|
|
356
|
1039 {
|
|
|
1040 ngx_str_t lock_file;
|
|
|
1041
|
|
258
|
1042 lock_file = cycle->old_cycle->lock_file;
|
|
|
1043
|
|
|
1044 if (lock_file.len) {
|
|
|
1045 lock_file.len--;
|
|
|
1046
|
|
|
1047 if (ccf->lock_file.len != lock_file.len
|
|
|
1048 || ngx_strncmp(ccf->lock_file.data, lock_file.data, lock_file.len)
|
|
|
1049 != 0)
|
|
|
1050 {
|
|
|
1051 ngx_log_error(NGX_LOG_EMERG, cycle->log, 0,
|
|
|
1052 "\"lock_file\" could not be changed, ignored");
|
|
|
1053 }
|
|
|
1054
|
|
|
1055 cycle->lock_file.len = lock_file.len + 1;
|
|
|
1056 lock_file.len += sizeof(".accept");
|
|
|
1057
|
|
|
1058 cycle->lock_file.data = ngx_pstrdup(cycle->pool, &lock_file);
|
|
|
1059 if (cycle->lock_file.data == NULL) {
|
|
|
1060 return NGX_CONF_ERROR;
|
|
|
1061 }
|
|
|
1062
|
|
|
1063 } else {
|
|
|
1064 cycle->lock_file.len = ccf->lock_file.len + 1;
|
|
382
|
1065 cycle->lock_file.data = ngx_pnalloc(cycle->pool,
|
|
258
|
1066 ccf->lock_file.len + sizeof(".accept"));
|
|
|
1067 if (cycle->lock_file.data == NULL) {
|
|
|
1068 return NGX_CONF_ERROR;
|
|
|
1069 }
|
|
|
1070
|
|
|
1071 ngx_memcpy(ngx_cpymem(cycle->lock_file.data, ccf->lock_file.data,
|
|
|
1072 ccf->lock_file.len),
|
|
|
1073 ".accept", sizeof(".accept"));
|
|
|
1074 }
|
|
356
|
1075 }
|
|
258
|
1076
|
|
0
|
1077 #endif
|
|
|
1078
|
|
|
1079 return NGX_CONF_OK;
|
|
|
1080 }
|
|
|
1081
|
|
|
1082
|
|
48
|
1083 static char *
|
|
|
1084 ngx_set_user(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
0
|
1085 {
|
|
10
|
1086 #if (NGX_WIN32)
|
|
0
|
1087
|
|
|
1088 ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
|
|
|
1089 "\"user\" is not supported, ignored");
|
|
|
1090
|
|
|
1091 return NGX_CONF_OK;
|
|
|
1092
|
|
|
1093 #else
|
|
|
1094
|
|
|
1095 ngx_core_conf_t *ccf = conf;
|
|
|
1096
|
|
4
|
1097 char *group;
|
|
0
|
1098 struct passwd *pwd;
|
|
|
1099 struct group *grp;
|
|
|
1100 ngx_str_t *value;
|
|
|
1101
|
|
66
|
1102 if (ccf->user != (uid_t) NGX_CONF_UNSET_UINT) {
|
|
0
|
1103 return "is duplicate";
|
|
|
1104 }
|
|
|
1105
|
|
4
|
1106 if (geteuid() != 0) {
|
|
|
1107 ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
|
|
|
1108 "the \"user\" directive makes sense only "
|
|
|
1109 "if the master process runs "
|
|
|
1110 "with super-user privileges, ignored");
|
|
|
1111 return NGX_CONF_OK;
|
|
|
1112 }
|
|
|
1113
|
|
0
|
1114 value = (ngx_str_t *) cf->args->elts;
|
|
|
1115
|
|
22
|
1116 ccf->username = (char *) value[1].data;
|
|
|
1117
|
|
318
|
1118 ngx_set_errno(0);
|
|
0
|
1119 pwd = getpwnam((const char *) value[1].data);
|
|
|
1120 if (pwd == NULL) {
|
|
|
1121 ngx_conf_log_error(NGX_LOG_EMERG, cf, ngx_errno,
|
|
2
|
1122 "getpwnam(\"%s\") failed", value[1].data);
|
|
0
|
1123 return NGX_CONF_ERROR;
|
|
|
1124 }
|
|
|
1125
|
|
|
1126 ccf->user = pwd->pw_uid;
|
|
|
1127
|
|
4
|
1128 group = (char *) ((cf->args->nelts == 2) ? value[1].data : value[2].data);
|
|
0
|
1129
|
|
318
|
1130 ngx_set_errno(0);
|
|
4
|
1131 grp = getgrnam(group);
|
|
0
|
1132 if (grp == NULL) {
|
|
|
1133 ngx_conf_log_error(NGX_LOG_EMERG, cf, ngx_errno,
|
|
4
|
1134 "getgrnam(\"%s\") failed", group);
|
|
0
|
1135 return NGX_CONF_ERROR;
|
|
|
1136 }
|
|
|
1137
|
|
|
1138 ccf->group = grp->gr_gid;
|
|
|
1139
|
|
|
1140 return NGX_CONF_OK;
|
|
|
1141
|
|
|
1142 #endif
|
|
|
1143 }
|
|
22
|
1144
|
|
|
1145
|
|
48
|
1146 static char *
|
|
278
|
1147 ngx_set_env(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
1148 {
|
|
|
1149 ngx_core_conf_t *ccf = conf;
|
|
|
1150
|
|
|
1151 ngx_str_t *value, *var;
|
|
|
1152 ngx_uint_t i;
|
|
|
1153
|
|
|
1154 var = ngx_array_push(&ccf->env);
|
|
|
1155 if (var == NULL) {
|
|
|
1156 return NGX_CONF_ERROR;
|
|
|
1157 }
|
|
|
1158
|
|
|
1159 value = cf->args->elts;
|
|
|
1160 *var = value[1];
|
|
|
1161
|
|
|
1162 for (i = 0; i < value[1].len; i++) {
|
|
|
1163
|
|
|
1164 if (value[1].data[i] == '=') {
|
|
|
1165
|
|
|
1166 var->len = i;
|
|
|
1167
|
|
|
1168 return NGX_CONF_OK;
|
|
|
1169 }
|
|
|
1170 }
|
|
|
1171
|
|
|
1172 return NGX_CONF_OK;
|
|
|
1173 }
|
|
|
1174
|
|
|
1175
|
|
|
1176 static char *
|
|
48
|
1177 ngx_set_priority(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
22
|
1178 {
|
|
|
1179 ngx_core_conf_t *ccf = conf;
|
|
|
1180
|
|
|
1181 ngx_str_t *value;
|
|
|
1182 ngx_uint_t n, minus;
|
|
|
1183
|
|
|
1184 if (ccf->priority != 0) {
|
|
|
1185 return "is duplicate";
|
|
|
1186 }
|
|
|
1187
|
|
|
1188 value = cf->args->elts;
|
|
|
1189
|
|
|
1190 if (value[1].data[0] == '-') {
|
|
|
1191 n = 1;
|
|
|
1192 minus = 1;
|
|
|
1193
|
|
|
1194 } else if (value[1].data[0] == '+') {
|
|
|
1195 n = 1;
|
|
|
1196 minus = 0;
|
|
|
1197
|
|
|
1198 } else {
|
|
|
1199 n = 0;
|
|
|
1200 minus = 0;
|
|
|
1201 }
|
|
|
1202
|
|
|
1203 ccf->priority = ngx_atoi(&value[1].data[n], value[1].len - n);
|
|
|
1204 if (ccf->priority == NGX_ERROR) {
|
|
|
1205 return "invalid number";
|
|
|
1206 }
|
|
|
1207
|
|
|
1208 if (minus) {
|
|
|
1209 ccf->priority = -ccf->priority;
|
|
|
1210 }
|
|
|
1211
|
|
|
1212 return NGX_CONF_OK;
|
|
|
1213 }
|
|
126
|
1214
|
|
|
1215
|
|
|
1216 static char *
|
|
|
1217 ngx_set_cpu_affinity(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
1218 {
|
|
|
1219 #if (NGX_HAVE_SCHED_SETAFFINITY)
|
|
|
1220 ngx_core_conf_t *ccf = conf;
|
|
|
1221
|
|
|
1222 u_char ch;
|
|
|
1223 u_long *mask;
|
|
|
1224 ngx_str_t *value;
|
|
|
1225 ngx_uint_t i, n;
|
|
|
1226
|
|
|
1227 if (ccf->cpu_affinity) {
|
|
|
1228 return "is duplicate";
|
|
|
1229 }
|
|
|
1230
|
|
|
1231 mask = ngx_palloc(cf->pool, (cf->args->nelts - 1) * sizeof(long));
|
|
|
1232 if (mask == NULL) {
|
|
|
1233 return NGX_CONF_ERROR;
|
|
|
1234 }
|
|
|
1235
|
|
|
1236 ccf->cpu_affinity_n = cf->args->nelts - 1;
|
|
|
1237 ccf->cpu_affinity = mask;
|
|
|
1238
|
|
|
1239 value = cf->args->elts;
|
|
|
1240
|
|
|
1241 for (n = 1; n < cf->args->nelts; n++) {
|
|
|
1242
|
|
|
1243 if (value[n].len > 32) {
|
|
|
1244 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1245 "\"worker_cpu_affinity\" supports up to 32 CPU only");
|
|
|
1246 return NGX_CONF_ERROR;
|
|
|
1247 }
|
|
|
1248
|
|
|
1249 mask[n - 1] = 0;
|
|
|
1250
|
|
|
1251 for (i = 0; i < value[n].len; i++) {
|
|
|
1252
|
|
|
1253 ch = value[n].data[i];
|
|
|
1254
|
|
|
1255 if (ch == ' ') {
|
|
|
1256 continue;
|
|
|
1257 }
|
|
|
1258
|
|
|
1259 mask[n - 1] <<= 1;
|
|
|
1260
|
|
|
1261 if (ch == '0') {
|
|
|
1262 continue;
|
|
|
1263 }
|
|
|
1264
|
|
|
1265 if (ch == '1') {
|
|
|
1266 mask[n - 1] |= 1;
|
|
|
1267 continue;
|
|
|
1268 }
|
|
|
1269
|
|
|
1270 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1271 "invalid character \"%c\" in \"worker_cpu_affinity\"",
|
|
|
1272 ch);
|
|
378
|
1273 return NGX_CONF_ERROR;
|
|
126
|
1274 }
|
|
|
1275 }
|
|
|
1276
|
|
|
1277 #else
|
|
|
1278
|
|
|
1279 ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
|
|
|
1280 "\"worker_cpu_affinity\" is not supported "
|
|
|
1281 "on this platform, ignored");
|
|
|
1282 #endif
|
|
|
1283
|
|
|
1284 return NGX_CONF_OK;
|
|
|
1285 }
|
|
|
1286
|
|
|
1287
|
|
|
1288 u_long
|
|
|
1289 ngx_get_cpu_affinity(ngx_uint_t n)
|
|
|
1290 {
|
|
|
1291 ngx_core_conf_t *ccf;
|
|
|
1292
|
|
|
1293 ccf = (ngx_core_conf_t *) ngx_get_conf(ngx_cycle->conf_ctx,
|
|
|
1294 ngx_core_module);
|
|
|
1295
|
|
|
1296 if (ccf->cpu_affinity == NULL) {
|
|
|
1297 return 0;
|
|
|
1298 }
|
|
|
1299
|
|
|
1300 if (ccf->cpu_affinity_n > n) {
|
|
|
1301 return ccf->cpu_affinity[n];
|
|
|
1302 }
|
|
|
1303
|
|
|
1304 return ccf->cpu_affinity[ccf->cpu_affinity_n - 1];
|
|
|
1305 }
|
