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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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598
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113 ngx_conf_set_off_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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646
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206 ngx_debug_init();
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207
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604
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208 if (ngx_strerror_init() != NGX_OK) {
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209 return 1;
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210 }
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211
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482
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212 if (ngx_get_options(argc, argv) != NGX_OK) {
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213 return 1;
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214 }
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215
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216 if (ngx_show_version) {
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648
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217 ngx_write_stderr("nginx version: " NGINX_VER NGX_LINEFEED);
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482
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218
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219 if (ngx_show_help) {
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648
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220 ngx_write_stderr(
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596
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221 "Usage: nginx [-?hvVtq] [-s signal] [-c filename] "
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648
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222 "[-p prefix] [-g directives]" NGX_LINEFEED
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223 NGX_LINEFEED
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224 "Options:" NGX_LINEFEED
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225 " -?,-h : this help" NGX_LINEFEED
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226 " -v : show version and exit" NGX_LINEFEED
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482
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227 " -V : show version and configure options then exit"
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648
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228 NGX_LINEFEED
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229 " -t : test configuration and exit" NGX_LINEFEED
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596
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230 " -q : suppress non-error messages "
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648
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231 "during configuration testing" NGX_LINEFEED
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482
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232 " -s signal : send signal to a master process: "
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648
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233 "stop, quit, reopen, reload" NGX_LINEFEED
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482
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234 #ifdef NGX_PREFIX
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235 " -p prefix : set prefix path (default: "
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648
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236 NGX_PREFIX ")" NGX_LINEFEED
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482
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237 #else
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648
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238 " -p prefix : set prefix path (default: NONE)" NGX_LINEFEED
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482
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239 #endif
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240 " -c filename : set configuration file (default: "
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648
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241 NGX_CONF_PATH ")" NGX_LINEFEED
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482
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242 " -g directives : set global directives out of configuration "
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648
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243 "file" NGX_LINEFEED NGX_LINEFEED
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482
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244 );
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245 }
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246
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247 if (ngx_show_configure) {
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648
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248 ngx_write_stderr(
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482
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249 #ifdef NGX_COMPILER
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648
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250 "built by " NGX_COMPILER NGX_LINEFEED
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482
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251 #endif
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538
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252 #if (NGX_SSL)
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253 #ifdef SSL_CTRL_SET_TLSEXT_HOSTNAME
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648
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254 "TLS SNI support enabled" NGX_LINEFEED
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538
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255 #else
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648
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256 "TLS SNI support disabled" NGX_LINEFEED
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538
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257 #endif
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258 #endif
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648
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259 "configure arguments:" NGX_CONFIGURE NGX_LINEFEED);
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482
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260 }
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261
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262 if (!ngx_test_config) {
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263 return 0;
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264 }
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265 }
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266
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0
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267 /* TODO */ ngx_max_sockets = -1;
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268
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269 ngx_time_init();
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270
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4
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271 #if (NGX_PCRE)
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0
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272 ngx_regex_init();
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273 #endif
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274
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275 ngx_pid = ngx_getpid();
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276
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482
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277 log = ngx_log_init(ngx_prefix);
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50
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278 if (log == NULL) {
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0
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279 return 1;
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280 }
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281
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90
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282 /* STUB */
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0
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283 #if (NGX_OPENSSL)
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284 ngx_ssl_init(log);
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285 #endif
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286
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482
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287 /*
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288 * init_cycle->log is required for signal handlers and
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289 * ngx_process_options()
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290 */
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0
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291
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292 ngx_memzero(&init_cycle, sizeof(ngx_cycle_t));
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293 init_cycle.log = log;
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294 ngx_cycle = &init_cycle;
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295
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50
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296 init_cycle.pool = ngx_create_pool(1024, log);
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297 if (init_cycle.pool == NULL) {
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0
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298 return 1;
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299 }
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300
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160
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301 if (ngx_save_argv(&init_cycle, argc, argv) != NGX_OK) {
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2
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302 return 1;
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303 }
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304
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482
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305 if (ngx_process_options(&init_cycle) != NGX_OK) {
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0
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306 return 1;
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307 }
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308
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160
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309 if (ngx_os_init(log) != NGX_OK) {
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0
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310 return 1;
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311 }
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312
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356
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313 /*
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314 * ngx_crc32_table_init() requires ngx_cacheline_size set in ngx_os_init()
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315 */
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270
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316
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356
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317 if (ngx_crc32_table_init() != NGX_OK) {
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270
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318 return 1;
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319 }
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320
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160
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321 if (ngx_add_inherited_sockets(&init_cycle) != NGX_OK) {
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0
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322 return 1;
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323 }
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324
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325 ngx_max_module = 0;
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326 for (i = 0; ngx_modules[i]; i++) {
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327 ngx_modules[i]->index = ngx_max_module++;
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328 }
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329
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330 cycle = ngx_init_cycle(&init_cycle);
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331 if (cycle == NULL) {
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332 if (ngx_test_config) {
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482
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333 ngx_log_stderr(0, "configuration file %s test failed",
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480
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334 init_cycle.conf_file.data);
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0
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335 }
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336
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337 return 1;
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338 }
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339
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340 if (ngx_test_config) {
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596
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341 if (!ngx_quiet_mode) {
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342 ngx_log_stderr(0, "configuration file %s test is successful",
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343 cycle->conf_file.data);
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344 }
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345
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0
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346 return 0;
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347 }
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348
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498
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349 if (ngx_signal) {
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350 return ngx_signal_process(cycle, ngx_signal);
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351 }
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352
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0
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353 ngx_os_status(cycle->log);
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354
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355 ngx_cycle = cycle;
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356
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357 ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, ngx_core_module);
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358
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480
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359 if (ccf->master && ngx_process == NGX_PROCESS_SINGLE) {
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360 ngx_process = NGX_PROCESS_MASTER;
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361 }
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0
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362
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482
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363 #if !(NGX_WIN32)
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0
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364
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160
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365 if (ngx_init_signals(cycle->log) != NGX_OK) {
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88
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366 return 1;
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367 }
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368
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0
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369 if (!ngx_inherited && ccf->daemon) {
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160
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370 if (ngx_daemon(cycle->log) != NGX_OK) {
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0
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371 return 1;
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372 }
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373
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374 ngx_daemonized = 1;
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375 }
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376
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480
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377 #endif
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378
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160
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379 if (ngx_create_pidfile(&ccf->pid, cycle->log) != NGX_OK) {
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0
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380 return 1;
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381 }
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382
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482
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383 if (cycle->log->file->fd != ngx_stderr) {
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384
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385 if (ngx_set_stderr(cycle->log->file->fd) == NGX_FILE_ERROR) {
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386 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
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387 ngx_set_stderr_n " failed");
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388 return 1;
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389 }
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390 }
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391
|
|
536
|
392 if (log->file->fd != ngx_stderr) {
|
|
|
393 if (ngx_close_file(log->file->fd) == NGX_FILE_ERROR) {
|
|
|
394 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
|
|
|
395 ngx_close_file_n " built-in log failed");
|
|
|
396 }
|
|
|
397 }
|
|
|
398
|
|
482
|
399 ngx_use_stderr = 0;
|
|
|
400
|
|
480
|
401 if (ngx_process == NGX_PROCESS_SINGLE) {
|
|
|
402 ngx_single_process_cycle(cycle);
|
|
0
|
403
|
|
|
404 } else {
|
|
480
|
405 ngx_master_process_cycle(cycle);
|
|
0
|
406 }
|
|
|
407
|
|
|
408 return 0;
|
|
|
409 }
|
|
|
410
|
|
|
411
|
|
48
|
412 static ngx_int_t
|
|
|
413 ngx_add_inherited_sockets(ngx_cycle_t *cycle)
|
|
0
|
414 {
|
|
50
|
415 u_char *p, *v, *inherited;
|
|
|
416 ngx_int_t s;
|
|
|
417 ngx_listening_t *ls;
|
|
0
|
418
|
|
|
419 inherited = (u_char *) getenv(NGINX_VAR);
|
|
|
420
|
|
|
421 if (inherited == NULL) {
|
|
|
422 return NGX_OK;
|
|
|
423 }
|
|
|
424
|
|
10
|
425 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0,
|
|
0
|
426 "using inherited sockets from \"%s\"", inherited);
|
|
|
427
|
|
10
|
428 if (ngx_array_init(&cycle->listening, cycle->pool, 10,
|
|
242
|
429 sizeof(ngx_listening_t))
|
|
454
|
430 != NGX_OK)
|
|
10
|
431 {
|
|
|
432 return NGX_ERROR;
|
|
|
433 }
|
|
0
|
434
|
|
|
435 for (p = inherited, v = p; *p; p++) {
|
|
|
436 if (*p == ':' || *p == ';') {
|
|
|
437 s = ngx_atoi(v, p - v);
|
|
|
438 if (s == NGX_ERROR) {
|
|
|
439 ngx_log_error(NGX_LOG_EMERG, cycle->log, 0,
|
|
86
|
440 "invalid socket number \"%s\" in " NGINX_VAR
|
|
|
441 " environment variable, ignoring the rest"
|
|
|
442 " of the variable", v);
|
|
0
|
443 break;
|
|
|
444 }
|
|
|
445
|
|
|
446 v = p + 1;
|
|
|
447
|
|
50
|
448 ls = ngx_array_push(&cycle->listening);
|
|
|
449 if (ls == NULL) {
|
|
0
|
450 return NGX_ERROR;
|
|
|
451 }
|
|
|
452
|
|
72
|
453 ngx_memzero(ls, sizeof(ngx_listening_t));
|
|
|
454
|
|
50
|
455 ls->fd = (ngx_socket_t) s;
|
|
0
|
456 }
|
|
|
457 }
|
|
|
458
|
|
|
459 ngx_inherited = 1;
|
|
|
460
|
|
|
461 return ngx_set_inherited_sockets(cycle);
|
|
|
462 }
|
|
|
463
|
|
|
464
|
|
278
|
465 char **
|
|
|
466 ngx_set_environment(ngx_cycle_t *cycle, ngx_uint_t *last)
|
|
|
467 {
|
|
|
468 char **p, **env;
|
|
|
469 ngx_str_t *var;
|
|
|
470 ngx_uint_t i, n;
|
|
|
471 ngx_core_conf_t *ccf;
|
|
|
472
|
|
|
473 ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, ngx_core_module);
|
|
|
474
|
|
280
|
475 if (last == NULL && ccf->environment) {
|
|
|
476 return ccf->environment;
|
|
278
|
477 }
|
|
|
478
|
|
|
479 var = ccf->env.elts;
|
|
|
480
|
|
|
481 for (i = 0; i < ccf->env.nelts; i++) {
|
|
|
482 if (ngx_strcmp(var[i].data, "TZ") == 0
|
|
|
483 || ngx_strncmp(var[i].data, "TZ=", 3) == 0)
|
|
|
484 {
|
|
|
485 goto tz_found;
|
|
|
486 }
|
|
|
487 }
|
|
|
488
|
|
|
489 var = ngx_array_push(&ccf->env);
|
|
322
|
490 if (var == NULL) {
|
|
|
491 return NULL;
|
|
|
492 }
|
|
278
|
493
|
|
|
494 var->len = 2;
|
|
|
495 var->data = (u_char *) "TZ";
|
|
|
496
|
|
|
497 var = ccf->env.elts;
|
|
|
498
|
|
|
499 tz_found:
|
|
|
500
|
|
280
|
501 n = 0;
|
|
|
502
|
|
278
|
503 for (i = 0; i < ccf->env.nelts; i++) {
|
|
|
504
|
|
|
505 if (var[i].data[var[i].len] == '=') {
|
|
|
506 n++;
|
|
|
507 continue;
|
|
|
508 }
|
|
|
509
|
|
|
510 for (p = ngx_os_environ; *p; p++) {
|
|
|
511
|
|
|
512 if (ngx_strncmp(*p, var[i].data, var[i].len) == 0
|
|
|
513 && (*p)[var[i].len] == '=')
|
|
|
514 {
|
|
|
515 n++;
|
|
|
516 break;
|
|
|
517 }
|
|
|
518 }
|
|
|
519 }
|
|
|
520
|
|
|
521 if (last) {
|
|
280
|
522 env = ngx_alloc((*last + n + 1) * sizeof(char *), cycle->log);
|
|
278
|
523 *last = n;
|
|
|
524
|
|
|
525 } else {
|
|
|
526 env = ngx_palloc(cycle->pool, (n + 1) * sizeof(char *));
|
|
|
527 }
|
|
|
528
|
|
|
529 if (env == NULL) {
|
|
|
530 return NULL;
|
|
|
531 }
|
|
|
532
|
|
|
533 n = 0;
|
|
|
534
|
|
|
535 for (i = 0; i < ccf->env.nelts; i++) {
|
|
|
536
|
|
|
537 if (var[i].data[var[i].len] == '=') {
|
|
|
538 env[n++] = (char *) var[i].data;
|
|
|
539 continue;
|
|
|
540 }
|
|
|
541
|
|
|
542 for (p = ngx_os_environ; *p; p++) {
|
|
|
543
|
|
|
544 if (ngx_strncmp(*p, var[i].data, var[i].len) == 0
|
|
|
545 && (*p)[var[i].len] == '=')
|
|
|
546 {
|
|
|
547 env[n++] = *p;
|
|
|
548 break;
|
|
|
549 }
|
|
|
550 }
|
|
|
551 }
|
|
|
552
|
|
|
553 env[n] = NULL;
|
|
|
554
|
|
|
555 if (last == NULL) {
|
|
|
556 ccf->environment = env;
|
|
|
557 environ = env;
|
|
|
558 }
|
|
|
559
|
|
|
560 return env;
|
|
|
561 }
|
|
|
562
|
|
|
563
|
|
92
|
564 ngx_pid_t
|
|
|
565 ngx_exec_new_binary(ngx_cycle_t *cycle, char *const *argv)
|
|
0
|
566 {
|
|
278
|
567 char **env, *var;
|
|
|
568 u_char *p;
|
|
|
569 ngx_uint_t i, n;
|
|
|
570 ngx_pid_t pid;
|
|
|
571 ngx_exec_ctx_t ctx;
|
|
|
572 ngx_core_conf_t *ccf;
|
|
|
573 ngx_listening_t *ls;
|
|
0
|
574
|
|
482
|
575 ngx_memzero(&ctx, sizeof(ngx_exec_ctx_t));
|
|
|
576
|
|
0
|
577 ctx.path = argv[0];
|
|
|
578 ctx.name = "new binary process";
|
|
|
579 ctx.argv = argv;
|
|
|
580
|
|
278
|
581 n = 2;
|
|
|
582 env = ngx_set_environment(cycle, &n);
|
|
|
583 if (env == NULL) {
|
|
|
584 return NGX_INVALID_PID;
|
|
|
585 }
|
|
|
586
|
|
0
|
587 var = ngx_alloc(sizeof(NGINX_VAR)
|
|
50
|
588 + cycle->listening.nelts * (NGX_INT32_LEN + 1) + 2,
|
|
0
|
589 cycle->log);
|
|
|
590
|
|
10
|
591 p = ngx_cpymem(var, NGINX_VAR "=", sizeof(NGINX_VAR));
|
|
0
|
592
|
|
|
593 ls = cycle->listening.elts;
|
|
|
594 for (i = 0; i < cycle->listening.nelts; i++) {
|
|
10
|
595 p = ngx_sprintf(p, "%ud;", ls[i].fd);
|
|
0
|
596 }
|
|
|
597
|
|
10
|
598 *p = '\0';
|
|
|
599
|
|
278
|
600 env[n++] = var;
|
|
2
|
601
|
|
|
602 #if (NGX_SETPROCTITLE_USES_ENV)
|
|
|
603
|
|
10
|
604 /* allocate the spare 300 bytes for the new binary process title */
|
|
2
|
605
|
|
278
|
606 env[n++] = "SPARE=XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
|
|
|
607 "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
|
|
|
608 "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
|
|
|
609 "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
|
|
|
610 "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX";
|
|
2
|
611
|
|
|
612 #endif
|
|
|
613
|
|
278
|
614 env[n] = NULL;
|
|
|
615
|
|
|
616 #if (NGX_DEBUG)
|
|
|
617 {
|
|
|
618 char **e;
|
|
|
619 for (e = env; *e; e++) {
|
|
|
620 ngx_log_debug1(NGX_LOG_DEBUG_CORE, cycle->log, 0, "env: %s", *e);
|
|
|
621 }
|
|
|
622 }
|
|
|
623 #endif
|
|
|
624
|
|
|
625 ctx.envp = (char *const *) env;
|
|
0
|
626
|
|
92
|
627 ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, ngx_core_module);
|
|
|
628
|
|
278
|
629 if (ngx_rename_file(ccf->pid.data, ccf->oldpid.data) != NGX_OK) {
|
|
92
|
630 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
|
|
|
631 ngx_rename_file_n " %s to %s failed "
|
|
|
632 "before executing new binary process \"%s\"",
|
|
|
633 ccf->pid.data, ccf->oldpid.data, argv[0]);
|
|
|
634
|
|
278
|
635 ngx_free(env);
|
|
92
|
636 ngx_free(var);
|
|
|
637
|
|
|
638 return NGX_INVALID_PID;
|
|
|
639 }
|
|
|
640
|
|
0
|
641 pid = ngx_execute(cycle, &ctx);
|
|
|
642
|
|
92
|
643 if (pid == NGX_INVALID_PID) {
|
|
278
|
644 if (ngx_rename_file(ccf->oldpid.data, ccf->pid.data) != NGX_OK) {
|
|
92
|
645 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
|
|
278
|
646 ngx_rename_file_n " %s back to %s failed after "
|
|
|
647 "the try to execute the new binary process \"%s\"",
|
|
92
|
648 ccf->oldpid.data, ccf->pid.data, argv[0]);
|
|
|
649 }
|
|
|
650 }
|
|
|
651
|
|
278
|
652 ngx_free(env);
|
|
0
|
653 ngx_free(var);
|
|
|
654
|
|
|
655 return pid;
|
|
|
656 }
|
|
|
657
|
|
|
658
|
|
92
|
659 static ngx_int_t
|
|
482
|
660 ngx_get_options(int argc, char *const *argv)
|
|
0
|
661 {
|
|
482
|
662 u_char *p;
|
|
|
663 ngx_int_t i;
|
|
0
|
664
|
|
2
|
665 for (i = 1; i < argc; i++) {
|
|
482
|
666
|
|
|
667 p = (u_char *) argv[i];
|
|
|
668
|
|
|
669 if (*p++ != '-') {
|
|
|
670 ngx_log_stderr(0, "invalid option: \"%s\"", argv[i]);
|
|
0
|
671 return NGX_ERROR;
|
|
|
672 }
|
|
|
673
|
|
482
|
674 while (*p) {
|
|
|
675
|
|
|
676 switch (*p++) {
|
|
0
|
677
|
|
482
|
678 case '?':
|
|
|
679 case 'h':
|
|
|
680 ngx_show_version = 1;
|
|
|
681 ngx_show_help = 1;
|
|
|
682 break;
|
|
|
683
|
|
|
684 case 'v':
|
|
|
685 ngx_show_version = 1;
|
|
|
686 break;
|
|
|
687
|
|
|
688 case 'V':
|
|
|
689 ngx_show_version = 1;
|
|
|
690 ngx_show_configure = 1;
|
|
|
691 break;
|
|
188
|
692
|
|
482
|
693 case 't':
|
|
|
694 ngx_test_config = 1;
|
|
|
695 break;
|
|
|
696
|
|
596
|
697 case 'q':
|
|
|
698 ngx_quiet_mode = 1;
|
|
|
699 break;
|
|
|
700
|
|
482
|
701 case 'p':
|
|
|
702 if (*p) {
|
|
|
703 ngx_prefix = p;
|
|
|
704 goto next;
|
|
|
705 }
|
|
270
|
706
|
|
482
|
707 if (argv[++i]) {
|
|
|
708 ngx_prefix = (u_char *) argv[i];
|
|
|
709 goto next;
|
|
|
710 }
|
|
|
711
|
|
|
712 ngx_log_stderr(0, "option \"-p\" requires directory name");
|
|
|
713 return NGX_ERROR;
|
|
|
714
|
|
|
715 case 'c':
|
|
|
716 if (*p) {
|
|
|
717 ngx_conf_file = p;
|
|
|
718 goto next;
|
|
|
719 }
|
|
0
|
720
|
|
482
|
721 if (argv[++i]) {
|
|
|
722 ngx_conf_file = (u_char *) argv[i];
|
|
|
723 goto next;
|
|
|
724 }
|
|
|
725
|
|
|
726 ngx_log_stderr(0, "option \"-c\" requires file name");
|
|
0
|
727 return NGX_ERROR;
|
|
482
|
728
|
|
|
729 case 'g':
|
|
|
730 if (*p) {
|
|
|
731 ngx_conf_params = p;
|
|
|
732 goto next;
|
|
|
733 }
|
|
|
734
|
|
|
735 if (argv[++i]) {
|
|
|
736 ngx_conf_params = (u_char *) argv[i];
|
|
|
737 goto next;
|
|
|
738 }
|
|
|
739
|
|
|
740 ngx_log_stderr(0, "option \"-g\" requires parameter");
|
|
|
741 return NGX_ERROR;
|
|
0
|
742
|
|
482
|
743 case 's':
|
|
|
744 if (*p) {
|
|
|
745 ngx_signal = (char *) p;
|
|
|
746
|
|
|
747 } else if (argv[++i]) {
|
|
|
748 ngx_signal = argv[i];
|
|
|
749
|
|
|
750 } else {
|
|
|
751 ngx_log_stderr(0, "option \"-s\" requires parameter");
|
|
|
752 return NGX_ERROR;
|
|
|
753 }
|
|
0
|
754
|
|
482
|
755 if (ngx_strcmp(ngx_signal, "stop") == 0
|
|
|
756 || ngx_strcmp(ngx_signal, "quit") == 0
|
|
|
757 || ngx_strcmp(ngx_signal, "reopen") == 0
|
|
|
758 || ngx_strcmp(ngx_signal, "reload") == 0)
|
|
|
759 {
|
|
|
760 ngx_process = NGX_PROCESS_SIGNALLER;
|
|
|
761 goto next;
|
|
|
762 }
|
|
|
763
|
|
|
764 ngx_log_stderr(0, "invalid option: \"-s %s\"", ngx_signal);
|
|
|
765 return NGX_ERROR;
|
|
|
766
|
|
|
767 default:
|
|
|
768 ngx_log_stderr(0, "invalid option: \"%c\"", *(p - 1));
|
|
384
|
769 return NGX_ERROR;
|
|
|
770 }
|
|
482
|
771 }
|
|
480
|
772
|
|
482
|
773 next:
|
|
480
|
774
|
|
482
|
775 continue;
|
|
0
|
776 }
|
|
|
777
|
|
|
778 return NGX_OK;
|
|
|
779 }
|
|
|
780
|
|
|
781
|
|
48
|
782 static ngx_int_t
|
|
|
783 ngx_save_argv(ngx_cycle_t *cycle, int argc, char *const *argv)
|
|
2
|
784 {
|
|
50
|
785 #if (NGX_FREEBSD)
|
|
|
786
|
|
|
787 ngx_os_argv = (char **) argv;
|
|
|
788 ngx_argc = argc;
|
|
|
789 ngx_argv = (char **) argv;
|
|
|
790
|
|
|
791 #else
|
|
2
|
792 size_t len;
|
|
|
793 ngx_int_t i;
|
|
|
794
|
|
|
795 ngx_os_argv = (char **) argv;
|
|
|
796 ngx_argc = argc;
|
|
|
797
|
|
50
|
798 ngx_argv = ngx_alloc((argc + 1) * sizeof(char *), cycle->log);
|
|
|
799 if (ngx_argv == NULL) {
|
|
2
|
800 return NGX_ERROR;
|
|
|
801 }
|
|
|
802
|
|
|
803 for (i = 0; i < argc; i++) {
|
|
|
804 len = ngx_strlen(argv[i]) + 1;
|
|
|
805
|
|
50
|
806 ngx_argv[i] = ngx_alloc(len, cycle->log);
|
|
|
807 if (ngx_argv[i] == NULL) {
|
|
2
|
808 return NGX_ERROR;
|
|
|
809 }
|
|
|
810
|
|
66
|
811 (void) ngx_cpystrn((u_char *) ngx_argv[i], (u_char *) argv[i], len);
|
|
2
|
812 }
|
|
|
813
|
|
|
814 ngx_argv[i] = NULL;
|
|
|
815
|
|
|
816 #endif
|
|
|
817
|
|
278
|
818 ngx_os_environ = environ;
|
|
|
819
|
|
2
|
820 return NGX_OK;
|
|
|
821 }
|
|
|
822
|
|
|
823
|
|
482
|
824 static ngx_int_t
|
|
|
825 ngx_process_options(ngx_cycle_t *cycle)
|
|
|
826 {
|
|
|
827 u_char *p;
|
|
|
828 size_t len;
|
|
|
829
|
|
|
830 if (ngx_prefix) {
|
|
|
831 len = ngx_strlen(ngx_prefix);
|
|
|
832 p = ngx_prefix;
|
|
|
833
|
|
|
834 if (!ngx_path_separator(*p)) {
|
|
|
835 p = ngx_pnalloc(cycle->pool, len + 1);
|
|
|
836 if (p == NULL) {
|
|
|
837 return NGX_ERROR;
|
|
|
838 }
|
|
|
839
|
|
|
840 ngx_memcpy(p, ngx_prefix, len);
|
|
|
841 p[len++] = '/';
|
|
|
842 }
|
|
|
843
|
|
|
844 cycle->conf_prefix.len = len;
|
|
|
845 cycle->conf_prefix.data = p;
|
|
|
846 cycle->prefix.len = len;
|
|
|
847 cycle->prefix.data = p;
|
|
|
848
|
|
|
849 } else {
|
|
|
850
|
|
|
851 #ifndef NGX_PREFIX
|
|
|
852
|
|
|
853 p = ngx_pnalloc(cycle->pool, NGX_MAX_PATH);
|
|
|
854 if (p == NULL) {
|
|
|
855 return NGX_ERROR;
|
|
|
856 }
|
|
|
857
|
|
|
858 if (ngx_getcwd(p, NGX_MAX_PATH) == 0) {
|
|
|
859 ngx_log_stderr(ngx_errno, "[emerg]: " ngx_getcwd_n " failed");
|
|
|
860 return NGX_ERROR;
|
|
|
861 }
|
|
|
862
|
|
|
863 len = ngx_strlen(p);
|
|
|
864
|
|
|
865 p[len++] = '/';
|
|
|
866
|
|
|
867 cycle->conf_prefix.len = len;
|
|
|
868 cycle->conf_prefix.data = p;
|
|
|
869 cycle->prefix.len = len;
|
|
|
870 cycle->prefix.data = p;
|
|
|
871
|
|
|
872 #else
|
|
|
873
|
|
|
874 #ifdef NGX_CONF_PREFIX
|
|
570
|
875 ngx_str_set(&cycle->conf_prefix, NGX_CONF_PREFIX);
|
|
482
|
876 #else
|
|
570
|
877 ngx_str_set(&cycle->conf_prefix, NGX_PREFIX);
|
|
482
|
878 #endif
|
|
570
|
879 ngx_str_set(&cycle->prefix, NGX_PREFIX);
|
|
482
|
880
|
|
|
881 #endif
|
|
|
882 }
|
|
|
883
|
|
|
884 if (ngx_conf_file) {
|
|
|
885 cycle->conf_file.len = ngx_strlen(ngx_conf_file);
|
|
|
886 cycle->conf_file.data = ngx_conf_file;
|
|
|
887
|
|
|
888 } else {
|
|
570
|
889 ngx_str_set(&cycle->conf_file, NGX_CONF_PATH);
|
|
482
|
890 }
|
|
|
891
|
|
|
892 if (ngx_conf_full_name(cycle, &cycle->conf_file, 0) != NGX_OK) {
|
|
|
893 return NGX_ERROR;
|
|
|
894 }
|
|
|
895
|
|
|
896 for (p = cycle->conf_file.data + cycle->conf_file.len - 1;
|
|
|
897 p > cycle->conf_file.data;
|
|
|
898 p--)
|
|
|
899 {
|
|
|
900 if (ngx_path_separator(*p)) {
|
|
|
901 cycle->conf_prefix.len = p - ngx_cycle->conf_file.data + 1;
|
|
|
902 cycle->conf_prefix.data = ngx_cycle->conf_file.data;
|
|
|
903 break;
|
|
|
904 }
|
|
|
905 }
|
|
|
906
|
|
|
907 if (ngx_conf_params) {
|
|
|
908 cycle->conf_param.len = ngx_strlen(ngx_conf_params);
|
|
|
909 cycle->conf_param.data = ngx_conf_params;
|
|
|
910 }
|
|
|
911
|
|
|
912 if (ngx_test_config) {
|
|
|
913 cycle->log->log_level = NGX_LOG_INFO;
|
|
|
914 }
|
|
|
915
|
|
|
916 return NGX_OK;
|
|
|
917 }
|
|
|
918
|
|
|
919
|
|
48
|
920 static void *
|
|
|
921 ngx_core_module_create_conf(ngx_cycle_t *cycle)
|
|
0
|
922 {
|
|
|
923 ngx_core_conf_t *ccf;
|
|
|
924
|
|
50
|
925 ccf = ngx_pcalloc(cycle->pool, sizeof(ngx_core_conf_t));
|
|
|
926 if (ccf == NULL) {
|
|
0
|
927 return NULL;
|
|
|
928 }
|
|
28
|
929
|
|
|
930 /*
|
|
566
|
931 * set by ngx_pcalloc()
|
|
0
|
932 *
|
|
28
|
933 * ccf->pid = NULL;
|
|
92
|
934 * ccf->oldpid = NULL;
|
|
28
|
935 * ccf->priority = 0;
|
|
126
|
936 * ccf->cpu_affinity_n = 0;
|
|
|
937 * ccf->cpu_affinity = NULL;
|
|
0
|
938 */
|
|
28
|
939
|
|
0
|
940 ccf->daemon = NGX_CONF_UNSET;
|
|
|
941 ccf->master = NGX_CONF_UNSET;
|
|
112
|
942 ccf->timer_resolution = NGX_CONF_UNSET_MSEC;
|
|
|
943
|
|
0
|
944 ccf->worker_processes = NGX_CONF_UNSET;
|
|
10
|
945 ccf->debug_points = NGX_CONF_UNSET;
|
|
92
|
946
|
|
|
947 ccf->rlimit_nofile = NGX_CONF_UNSET;
|
|
598
|
948 ccf->rlimit_core = NGX_CONF_UNSET;
|
|
92
|
949 ccf->rlimit_sigpending = NGX_CONF_UNSET;
|
|
|
950
|
|
66
|
951 ccf->user = (ngx_uid_t) NGX_CONF_UNSET_UINT;
|
|
|
952 ccf->group = (ngx_gid_t) NGX_CONF_UNSET_UINT;
|
|
92
|
953
|
|
0
|
954 #if (NGX_THREADS)
|
|
|
955 ccf->worker_threads = NGX_CONF_UNSET;
|
|
10
|
956 ccf->thread_stack_size = NGX_CONF_UNSET_SIZE;
|
|
0
|
957 #endif
|
|
|
958
|
|
278
|
959 if (ngx_array_init(&ccf->env, cycle->pool, 1, sizeof(ngx_str_t))
|
|
|
960 != NGX_OK)
|
|
|
961 {
|
|
|
962 return NULL;
|
|
|
963 }
|
|
|
964
|
|
0
|
965 return ccf;
|
|
|
966 }
|
|
|
967
|
|
|
968
|
|
48
|
969 static char *
|
|
|
970 ngx_core_module_init_conf(ngx_cycle_t *cycle, void *conf)
|
|
0
|
971 {
|
|
|
972 ngx_core_conf_t *ccf = conf;
|
|
|
973
|
|
|
974 ngx_conf_init_value(ccf->daemon, 1);
|
|
|
975 ngx_conf_init_value(ccf->master, 1);
|
|
112
|
976 ngx_conf_init_msec_value(ccf->timer_resolution, 0);
|
|
|
977
|
|
0
|
978 ngx_conf_init_value(ccf->worker_processes, 1);
|
|
10
|
979 ngx_conf_init_value(ccf->debug_points, 0);
|
|
0
|
980
|
|
126
|
981 #if (NGX_HAVE_SCHED_SETAFFINITY)
|
|
|
982
|
|
|
983 if (ccf->cpu_affinity_n
|
|
|
984 && ccf->cpu_affinity_n != 1
|
|
|
985 && ccf->cpu_affinity_n != (ngx_uint_t) ccf->worker_processes)
|
|
|
986 {
|
|
|
987 ngx_log_error(NGX_LOG_WARN, cycle->log, 0,
|
|
|
988 "number of the \"worker_processes\" is not equal to "
|
|
|
989 "the number of the \"worker_cpu_affinity\" mask, "
|
|
|
990 "using last mask for remaining worker processes");
|
|
|
991 }
|
|
|
992
|
|
|
993 #endif
|
|
|
994
|
|
0
|
995 #if (NGX_THREADS)
|
|
126
|
996
|
|
0
|
997 ngx_conf_init_value(ccf->worker_threads, 0);
|
|
|
998 ngx_threads_n = ccf->worker_threads;
|
|
|
999 ngx_conf_init_size_value(ccf->thread_stack_size, 2 * 1024 * 1024);
|
|
126
|
1000
|
|
0
|
1001 #endif
|
|
|
1002
|
|
480
|
1003
|
|
|
1004 if (ccf->pid.len == 0) {
|
|
570
|
1005 ngx_str_set(&ccf->pid, NGX_PID_PATH);
|
|
480
|
1006 }
|
|
|
1007
|
|
|
1008 if (ngx_conf_full_name(cycle, &ccf->pid, 0) != NGX_OK) {
|
|
|
1009 return NGX_CONF_ERROR;
|
|
|
1010 }
|
|
|
1011
|
|
|
1012 ccf->oldpid.len = ccf->pid.len + sizeof(NGX_OLDPID_EXT);
|
|
|
1013
|
|
|
1014 ccf->oldpid.data = ngx_pnalloc(cycle->pool, ccf->oldpid.len);
|
|
|
1015 if (ccf->oldpid.data == NULL) {
|
|
|
1016 return NGX_CONF_ERROR;
|
|
|
1017 }
|
|
|
1018
|
|
|
1019 ngx_memcpy(ngx_cpymem(ccf->oldpid.data, ccf->pid.data, ccf->pid.len),
|
|
|
1020 NGX_OLDPID_EXT, sizeof(NGX_OLDPID_EXT));
|
|
|
1021
|
|
|
1022
|
|
10
|
1023 #if !(NGX_WIN32)
|
|
0
|
1024
|
|
66
|
1025 if (ccf->user == (uid_t) NGX_CONF_UNSET_UINT && geteuid() == 0) {
|
|
356
|
1026 struct group *grp;
|
|
|
1027 struct passwd *pwd;
|
|
0
|
1028
|
|
318
|
1029 ngx_set_errno(0);
|
|
4
|
1030 pwd = getpwnam(NGX_USER);
|
|
0
|
1031 if (pwd == NULL) {
|
|
|
1032 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
4
|
1033 "getpwnam(\"" NGX_USER "\") failed");
|
|
0
|
1034 return NGX_CONF_ERROR;
|
|
|
1035 }
|
|
|
1036
|
|
22
|
1037 ccf->username = NGX_USER;
|
|
0
|
1038 ccf->user = pwd->pw_uid;
|
|
|
1039
|
|
318
|
1040 ngx_set_errno(0);
|
|
4
|
1041 grp = getgrnam(NGX_GROUP);
|
|
0
|
1042 if (grp == NULL) {
|
|
|
1043 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
4
|
1044 "getgrnam(\"" NGX_GROUP "\") failed");
|
|
0
|
1045 return NGX_CONF_ERROR;
|
|
|
1046 }
|
|
|
1047
|
|
|
1048 ccf->group = grp->gr_gid;
|
|
|
1049 }
|
|
|
1050
|
|
258
|
1051
|
|
160
|
1052 if (ccf->lock_file.len == 0) {
|
|
570
|
1053 ngx_str_set(&ccf->lock_file, NGX_LOCK_PATH);
|
|
160
|
1054 }
|
|
|
1055
|
|
454
|
1056 if (ngx_conf_full_name(cycle, &ccf->lock_file, 0) != NGX_OK) {
|
|
160
|
1057 return NGX_CONF_ERROR;
|
|
|
1058 }
|
|
|
1059
|
|
356
|
1060 {
|
|
|
1061 ngx_str_t lock_file;
|
|
|
1062
|
|
258
|
1063 lock_file = cycle->old_cycle->lock_file;
|
|
|
1064
|
|
|
1065 if (lock_file.len) {
|
|
|
1066 lock_file.len--;
|
|
|
1067
|
|
|
1068 if (ccf->lock_file.len != lock_file.len
|
|
|
1069 || ngx_strncmp(ccf->lock_file.data, lock_file.data, lock_file.len)
|
|
|
1070 != 0)
|
|
|
1071 {
|
|
|
1072 ngx_log_error(NGX_LOG_EMERG, cycle->log, 0,
|
|
|
1073 "\"lock_file\" could not be changed, ignored");
|
|
|
1074 }
|
|
|
1075
|
|
|
1076 cycle->lock_file.len = lock_file.len + 1;
|
|
|
1077 lock_file.len += sizeof(".accept");
|
|
|
1078
|
|
|
1079 cycle->lock_file.data = ngx_pstrdup(cycle->pool, &lock_file);
|
|
|
1080 if (cycle->lock_file.data == NULL) {
|
|
|
1081 return NGX_CONF_ERROR;
|
|
|
1082 }
|
|
|
1083
|
|
|
1084 } else {
|
|
|
1085 cycle->lock_file.len = ccf->lock_file.len + 1;
|
|
382
|
1086 cycle->lock_file.data = ngx_pnalloc(cycle->pool,
|
|
258
|
1087 ccf->lock_file.len + sizeof(".accept"));
|
|
|
1088 if (cycle->lock_file.data == NULL) {
|
|
|
1089 return NGX_CONF_ERROR;
|
|
|
1090 }
|
|
|
1091
|
|
|
1092 ngx_memcpy(ngx_cpymem(cycle->lock_file.data, ccf->lock_file.data,
|
|
|
1093 ccf->lock_file.len),
|
|
|
1094 ".accept", sizeof(".accept"));
|
|
|
1095 }
|
|
356
|
1096 }
|
|
258
|
1097
|
|
0
|
1098 #endif
|
|
|
1099
|
|
|
1100 return NGX_CONF_OK;
|
|
|
1101 }
|
|
|
1102
|
|
|
1103
|
|
48
|
1104 static char *
|
|
|
1105 ngx_set_user(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
0
|
1106 {
|
|
10
|
1107 #if (NGX_WIN32)
|
|
0
|
1108
|
|
|
1109 ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
|
|
|
1110 "\"user\" is not supported, ignored");
|
|
|
1111
|
|
|
1112 return NGX_CONF_OK;
|
|
|
1113
|
|
|
1114 #else
|
|
|
1115
|
|
|
1116 ngx_core_conf_t *ccf = conf;
|
|
|
1117
|
|
4
|
1118 char *group;
|
|
0
|
1119 struct passwd *pwd;
|
|
|
1120 struct group *grp;
|
|
|
1121 ngx_str_t *value;
|
|
|
1122
|
|
66
|
1123 if (ccf->user != (uid_t) NGX_CONF_UNSET_UINT) {
|
|
0
|
1124 return "is duplicate";
|
|
|
1125 }
|
|
|
1126
|
|
4
|
1127 if (geteuid() != 0) {
|
|
|
1128 ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
|
|
|
1129 "the \"user\" directive makes sense only "
|
|
|
1130 "if the master process runs "
|
|
|
1131 "with super-user privileges, ignored");
|
|
|
1132 return NGX_CONF_OK;
|
|
|
1133 }
|
|
|
1134
|
|
0
|
1135 value = (ngx_str_t *) cf->args->elts;
|
|
|
1136
|
|
22
|
1137 ccf->username = (char *) value[1].data;
|
|
|
1138
|
|
318
|
1139 ngx_set_errno(0);
|
|
0
|
1140 pwd = getpwnam((const char *) value[1].data);
|
|
|
1141 if (pwd == NULL) {
|
|
|
1142 ngx_conf_log_error(NGX_LOG_EMERG, cf, ngx_errno,
|
|
2
|
1143 "getpwnam(\"%s\") failed", value[1].data);
|
|
0
|
1144 return NGX_CONF_ERROR;
|
|
|
1145 }
|
|
|
1146
|
|
|
1147 ccf->user = pwd->pw_uid;
|
|
|
1148
|
|
4
|
1149 group = (char *) ((cf->args->nelts == 2) ? value[1].data : value[2].data);
|
|
0
|
1150
|
|
318
|
1151 ngx_set_errno(0);
|
|
4
|
1152 grp = getgrnam(group);
|
|
0
|
1153 if (grp == NULL) {
|
|
|
1154 ngx_conf_log_error(NGX_LOG_EMERG, cf, ngx_errno,
|
|
4
|
1155 "getgrnam(\"%s\") failed", group);
|
|
0
|
1156 return NGX_CONF_ERROR;
|
|
|
1157 }
|
|
|
1158
|
|
|
1159 ccf->group = grp->gr_gid;
|
|
|
1160
|
|
|
1161 return NGX_CONF_OK;
|
|
|
1162
|
|
|
1163 #endif
|
|
|
1164 }
|
|
22
|
1165
|
|
|
1166
|
|
48
|
1167 static char *
|
|
278
|
1168 ngx_set_env(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
1169 {
|
|
|
1170 ngx_core_conf_t *ccf = conf;
|
|
|
1171
|
|
|
1172 ngx_str_t *value, *var;
|
|
|
1173 ngx_uint_t i;
|
|
|
1174
|
|
|
1175 var = ngx_array_push(&ccf->env);
|
|
|
1176 if (var == NULL) {
|
|
|
1177 return NGX_CONF_ERROR;
|
|
|
1178 }
|
|
|
1179
|
|
|
1180 value = cf->args->elts;
|
|
|
1181 *var = value[1];
|
|
|
1182
|
|
|
1183 for (i = 0; i < value[1].len; i++) {
|
|
|
1184
|
|
|
1185 if (value[1].data[i] == '=') {
|
|
|
1186
|
|
|
1187 var->len = i;
|
|
|
1188
|
|
|
1189 return NGX_CONF_OK;
|
|
|
1190 }
|
|
|
1191 }
|
|
|
1192
|
|
|
1193 return NGX_CONF_OK;
|
|
|
1194 }
|
|
|
1195
|
|
|
1196
|
|
|
1197 static char *
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48
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1198 ngx_set_priority(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
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22
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1199 {
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1200 ngx_core_conf_t *ccf = conf;
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1201
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1202 ngx_str_t *value;
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1203 ngx_uint_t n, minus;
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1204
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1205 if (ccf->priority != 0) {
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1206 return "is duplicate";
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1207 }
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1208
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1209 value = cf->args->elts;
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1210
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1211 if (value[1].data[0] == '-') {
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1212 n = 1;
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1213 minus = 1;
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1214
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1215 } else if (value[1].data[0] == '+') {
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1216 n = 1;
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1217 minus = 0;
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1218
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1219 } else {
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1220 n = 0;
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1221 minus = 0;
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1222 }
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1223
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1224 ccf->priority = ngx_atoi(&value[1].data[n], value[1].len - n);
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1225 if (ccf->priority == NGX_ERROR) {
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1226 return "invalid number";
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1227 }
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1228
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1229 if (minus) {
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1230 ccf->priority = -ccf->priority;
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1231 }
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1232
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1233 return NGX_CONF_OK;
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1234 }
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126
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1235
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1236
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1237 static char *
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1238 ngx_set_cpu_affinity(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
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1239 {
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1240 #if (NGX_HAVE_SCHED_SETAFFINITY)
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1241 ngx_core_conf_t *ccf = conf;
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1242
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1243 u_char ch;
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1244 u_long *mask;
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1245 ngx_str_t *value;
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1246 ngx_uint_t i, n;
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1247
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1248 if (ccf->cpu_affinity) {
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1249 return "is duplicate";
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1250 }
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1251
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1252 mask = ngx_palloc(cf->pool, (cf->args->nelts - 1) * sizeof(long));
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1253 if (mask == NULL) {
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1254 return NGX_CONF_ERROR;
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1255 }
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1256
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1257 ccf->cpu_affinity_n = cf->args->nelts - 1;
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1258 ccf->cpu_affinity = mask;
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1259
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1260 value = cf->args->elts;
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1261
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1262 for (n = 1; n < cf->args->nelts; n++) {
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1263
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1264 if (value[n].len > 32) {
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1265 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
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1266 "\"worker_cpu_affinity\" supports up to 32 CPU only");
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1267 return NGX_CONF_ERROR;
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1268 }
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1269
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1270 mask[n - 1] = 0;
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1271
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1272 for (i = 0; i < value[n].len; i++) {
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1273
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1274 ch = value[n].data[i];
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1275
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1276 if (ch == ' ') {
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1277 continue;
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1278 }
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1279
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1280 mask[n - 1] <<= 1;
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1281
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1282 if (ch == '0') {
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1283 continue;
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1284 }
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1285
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1286 if (ch == '1') {
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1287 mask[n - 1] |= 1;
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1288 continue;
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1289 }
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1290
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1291 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
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1292 "invalid character \"%c\" in \"worker_cpu_affinity\"",
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1293 ch);
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378
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1294 return NGX_CONF_ERROR;
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126
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1295 }
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1296 }
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1297
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1298 #else
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1299
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1300 ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
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1301 "\"worker_cpu_affinity\" is not supported "
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1302 "on this platform, ignored");
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1303 #endif
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1304
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1305 return NGX_CONF_OK;
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1306 }
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1307
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1308
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|
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1309 u_long
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1310 ngx_get_cpu_affinity(ngx_uint_t n)
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1311 {
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1312 ngx_core_conf_t *ccf;
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1313
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|
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1314 ccf = (ngx_core_conf_t *) ngx_get_conf(ngx_cycle->conf_ctx,
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1315 ngx_core_module);
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1316
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1317 if (ccf->cpu_affinity == NULL) {
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1318 return 0;
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1319 }
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1320
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1321 if (ccf->cpu_affinity_n > n) {
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1322 return ccf->cpu_affinity[n];
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1323 }
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1324
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1325 return ccf->cpu_affinity[ccf->cpu_affinity_n - 1];
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1326 }
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