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 #ifndef _NGX_FILE_H_INCLUDED_
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8 #define _NGX_FILE_H_INCLUDED_
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9
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10
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11 #include <ngx_config.h>
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12 #include <ngx_core.h>
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13
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14
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15 struct ngx_file_s {
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464
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16 ngx_fd_t fd;
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17 ngx_str_t name;
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18 ngx_file_info_t info;
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0
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19
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464
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20 off_t offset;
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21 off_t sys_offset;
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0
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22
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464
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23 ngx_log_t *log;
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0
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24
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518
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25 #if (NGX_HAVE_FILE_AIO)
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26 ngx_event_aio_t *aio;
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27 #endif
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28
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464
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29 unsigned valid_info:1;
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30 unsigned directio:1;
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0
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31 };
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32
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518
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33
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0
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34 #define NGX_MAX_PATH_LEVEL 3
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35
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464
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36
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468
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37 typedef time_t (*ngx_path_manager_pt) (void *data);
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514
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38 typedef void (*ngx_path_loader_pt) (void *data);
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464
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39
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16
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40
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464
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41 typedef struct {
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42 ngx_str_t name;
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43 size_t len;
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44 size_t level[3];
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45
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468
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46 ngx_path_manager_pt manager;
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514
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47 ngx_path_loader_pt loader;
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464
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48 void *data;
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49
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50 u_char *conf_file;
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51 ngx_uint_t line;
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52 } ngx_path_t;
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0
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53
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54
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55 typedef struct {
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464
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56 ngx_str_t name;
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57 size_t level[3];
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58 } ngx_path_init_t;
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59
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0
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60
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464
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61 typedef struct {
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62 ngx_file_t file;
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63 off_t offset;
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64 ngx_path_t *path;
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65 ngx_pool_t *pool;
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66 char *warn;
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182
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67
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464
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68 ngx_uint_t access;
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69
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70 unsigned log_level:8;
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71 unsigned persistent:1;
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72 unsigned clean:1;
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0
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73 } ngx_temp_file_t;
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74
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75
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362
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76 typedef struct {
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464
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77 ngx_uint_t access;
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78 ngx_uint_t path_access;
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79 time_t time;
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80 ngx_fd_t fd;
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362
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81
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464
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82 unsigned create_path:1;
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83 unsigned delete_file:1;
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362
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84
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464
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85 ngx_log_t *log;
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362
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86 } ngx_ext_rename_file_t;
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87
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88
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514
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89 typedef struct {
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90 off_t size;
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91 size_t buf_size;
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92
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93 ngx_uint_t access;
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94 time_t time;
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95
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96 ngx_log_t *log;
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97 } ngx_copy_file_t;
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98
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99
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272
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100 typedef struct ngx_tree_ctx_s ngx_tree_ctx_t;
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101
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276
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102 typedef ngx_int_t (*ngx_tree_init_handler_pt) (void *ctx, void *prev);
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272
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103 typedef ngx_int_t (*ngx_tree_handler_pt) (ngx_tree_ctx_t *ctx, ngx_str_t *name);
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104
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105 struct ngx_tree_ctx_s {
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276
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106 off_t size;
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107 ngx_uint_t access;
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108 time_t mtime;
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109
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272
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110 ngx_tree_init_handler_pt init_handler;
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111 ngx_tree_handler_pt file_handler;
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112 ngx_tree_handler_pt pre_tree_handler;
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113 ngx_tree_handler_pt post_tree_handler;
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114 ngx_tree_handler_pt spec_handler;
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276
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115
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272
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116 void *data;
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276
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117 size_t alloc;
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118
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272
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119 ngx_log_t *log;
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120 };
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121
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122
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16
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123 ssize_t ngx_write_chain_to_temp_file(ngx_temp_file_t *tf, ngx_chain_t *chain);
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124 ngx_int_t ngx_create_temp_file(ngx_file_t *file, ngx_path_t *path,
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278
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125 ngx_pool_t *pool, ngx_uint_t persistent, ngx_uint_t clean,
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126 ngx_uint_t access);
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356
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127 void ngx_create_hashed_filename(ngx_path_t *path, u_char *file, size_t len);
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16
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128 ngx_int_t ngx_create_path(ngx_file_t *file, ngx_path_t *path);
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218
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129 ngx_err_t ngx_create_full_path(u_char *dir, ngx_uint_t access);
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28
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130 ngx_int_t ngx_add_path(ngx_conf_t *cf, ngx_path_t **slot);
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16
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131 ngx_int_t ngx_create_pathes(ngx_cycle_t *cycle, ngx_uid_t user);
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362
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132 ngx_int_t ngx_ext_rename_file(ngx_str_t *src, ngx_str_t *to,
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133 ngx_ext_rename_file_t *ext);
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514
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134 ngx_int_t ngx_copy_file(u_char *from, u_char *to, ngx_copy_file_t *cf);
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272
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135 ngx_int_t ngx_walk_tree(ngx_tree_ctx_t *ctx, ngx_str_t *tree);
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0
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136
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44
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137 ngx_atomic_uint_t ngx_next_temp_number(ngx_uint_t collision);
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0
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138
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139 char *ngx_conf_set_path_slot(ngx_conf_t *cf, ngx_command_t *cmd, void *conf);
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464
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140 char *ngx_conf_merge_path_value(ngx_conf_t *cf, ngx_path_t **path,
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141 ngx_path_t *prev, ngx_path_init_t *init);
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318
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142 char *ngx_conf_set_access_slot(ngx_conf_t *cf, ngx_command_t *cmd, void *conf);
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0
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143
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144
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516
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145 extern ngx_atomic_t *ngx_temp_number;
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146 extern ngx_atomic_int_t ngx_random_number;
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147
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148
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0
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149 #endif /* _NGX_FILE_H_INCLUDED_ */
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