Mercurial > hg > nginx
annotate src/os/unix/ngx_files.h @ 2648:ccf282137109 stable-0.6
r2495 merge:
AIX has no WCOREDUMP()
author | Igor Sysoev <igor@sysoev.ru> |
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date | Wed, 01 Apr 2009 16:28:47 +0000 |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
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4 */ |
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7 #ifndef _NGX_FILES_H_INCLUDED_ |
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8 #define _NGX_FILES_H_INCLUDED_ |
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11 #include <ngx_config.h> |
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12 #include <ngx_core.h> |
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15 #define NGX_INVALID_FILE -1 |
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16 #define NGX_FILE_ERROR -1 |
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1975 | 20 #ifdef __CYGWIN__ |
21 | |
22 #define ngx_open_file(name, mode, create, access) \ | |
23 open((const char *) name, mode|create|O_BINARY, access) | |
24 | |
25 #else | |
26 | |
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27 #define ngx_open_file(name, mode, create, access) \ |
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28 open((const char *) name, mode|create, access) |
1975 | 29 |
30 #endif | |
31 | |
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32 #define ngx_open_file_n "open()" |
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34 #define NGX_FILE_RDONLY O_RDONLY |
1054 | 35 #define NGX_FILE_WRONLY O_WRONLY |
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36 #define NGX_FILE_RDWR O_RDWR |
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37 #define NGX_FILE_CREATE_OR_OPEN O_CREAT |
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38 #define NGX_FILE_OPEN 0 |
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39 #define NGX_FILE_TRUNCATE O_TRUNC |
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40 #define NGX_FILE_APPEND O_APPEND |
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42 #define NGX_FILE_DEFAULT_ACCESS 0644 |
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45 #define ngx_close_file close |
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46 #define ngx_close_file_n "close()" |
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49 #define ngx_delete_file(name) unlink((const char *) name) |
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50 #define ngx_delete_file_n "unlink()" |
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52 |
633 | 53 ngx_fd_t ngx_open_tempfile(u_char *name, ngx_uint_t persistent, |
1046 | 54 ngx_uint_t access); |
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55 #define ngx_open_tempfile_n "open()" |
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58 ssize_t ngx_read_file(ngx_file_t *file, u_char *buf, size_t size, off_t offset); |
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59 #define ngx_read_file_n "read()" |
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61 ssize_t ngx_write_file(ngx_file_t *file, u_char *buf, size_t size, |
497 | 62 off_t offset); |
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64 ssize_t ngx_write_chain_to_file(ngx_file_t *file, ngx_chain_t *ce, |
497 | 65 off_t offset, ngx_pool_t *pool); |
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67 |
1055 | 68 #define ngx_read_fd read |
69 #define ngx_read_fd_n "read()" | |
70 | |
2328 | 71 /* |
72 * we use inlined function instead of simple #define | |
73 * because glibc 2.3 sets warn_unused_result attribute for write() | |
74 * and in this case gcc 4.3 ignores (void) cast | |
75 */ | |
76 static ngx_inline ssize_t | |
77 ngx_write_fd(ngx_fd_t fd, void *buf, size_t n) | |
78 { | |
79 return write(fd, buf, n); | |
80 } | |
81 | |
1055 | 82 #define ngx_write_fd_n "write()" |
83 | |
571 | 84 #define ngx_linefeed(p) *p++ = LF; |
85 #define NGX_LINEFEED_SIZE 1 | |
86 | |
87 | |
633 | 88 #define ngx_rename_file(o, n) rename((const char *) o, (const char *) n) |
681 | 89 #define ngx_rename_file_n "rename()" |
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91 |
669 | 92 #define ngx_change_file_access(n, a) chmod((const char *) n, a) |
681 | 93 #define ngx_change_file_access_n "chmod()" |
94 | |
95 | |
96 ngx_int_t ngx_set_file_time(u_char *name, ngx_fd_t fd, time_t s); | |
97 #define ngx_set_file_time_n "utimes()" | |
669 | 98 |
99 | |
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100 #define ngx_file_info(file, sb) stat((const char *) file, sb) |
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101 #define ngx_file_info_n "stat()" |
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103 #define ngx_fd_info(fd, sb) fstat(fd, sb) |
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104 #define ngx_fd_info_n "fstat()" |
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106 #define ngx_is_dir(sb) (S_ISDIR((sb)->st_mode)) |
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107 #define ngx_is_file(sb) (S_ISREG((sb)->st_mode)) |
669 | 108 #define ngx_is_link(sb) (S_ISLNK((sb)->st_mode)) |
109 #define ngx_is_exec(sb) ((sb)->st_mode & S_IXUSR) | |
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110 #define ngx_file_access(sb) ((sb)->st_mode & 0777) |
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111 #define ngx_file_size(sb) (sb)->st_size |
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112 #define ngx_file_mtime(sb) (sb)->st_mtime |
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113 #define ngx_file_uniq(sb) (sb)->st_ino |
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117 #define ngx_getcwd(buf, size) (getcwd(buf, size) != NULL) |
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118 #define ngx_getcwd_n "getcwd()" |
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119 #define NGX_MAX_PATH PATH_MAX |
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121 #define NGX_DIR_MASK_LEN 0 |
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467 | 124 ngx_int_t ngx_open_dir(ngx_str_t *name, ngx_dir_t *dir); |
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125 #define ngx_open_dir_n "opendir()" |
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128 #define ngx_close_dir(d) closedir((d)->dir) |
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129 #define ngx_close_dir_n "closedir()" |
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132 #define ngx_read_dir(d) \ |
497 | 133 (((d)->de = readdir((d)->dir)) ? NGX_OK : NGX_ERROR) |
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134 #define ngx_read_dir_n "readdir()" |
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135 |
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669 | 137 #define ngx_create_dir(name, access) mkdir((const char *) name, access) |
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138 #define ngx_create_dir_n "mkdir()" |
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141 #define ngx_delete_dir(name) rmdir((const char *) name) |
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142 #define ngx_delete_dir_n "rmdir()" |
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143 |
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145 #define ngx_dir_access(a) (a | (a & 0444) >> 2) |
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146 |
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147 |
457 | 148 #define ngx_de_name(dir) ((u_char *) (dir)->de->d_name) |
455 | 149 #if (NGX_FREEBSD) |
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150 #define ngx_de_namelen(dir) (dir)->de->d_namlen |
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151 #else |
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152 #define ngx_de_namelen(dir) ngx_strlen((dir)->de->d_name) |
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153 #endif |
497 | 154 #define ngx_de_info(name, dir) stat((const char *) name, &(dir)->info) |
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155 #define ngx_de_info_n "stat()" |
497 | 156 #define ngx_de_link_info(name, dir) lstat((const char *) name, &(dir)->info) |
157 #define ngx_de_link_info_n "lstat()" | |
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158 #define ngx_de_is_dir(dir) (S_ISDIR((dir)->info.st_mode)) |
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159 #define ngx_de_is_file(dir) (S_ISREG((dir)->info.st_mode)) |
497 | 160 #define ngx_de_is_link(dir) (S_ISLNK((dir)->info.st_mode)) |
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161 #define ngx_de_access(dir) (((dir)->info.st_mode) & 0777) |
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162 #define ngx_de_size(dir) (dir)->info.st_size |
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163 #define ngx_de_mtime(dir) (dir)->info.st_mtime |
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164 |
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165 |
727 | 166 typedef struct { |
1980 | 167 size_t n; |
168 glob_t pglob; | |
169 u_char *pattern; | |
170 ngx_log_t *log; | |
171 ngx_uint_t test; | |
727 | 172 } ngx_glob_t; |
173 | |
174 | |
175 ngx_int_t ngx_open_glob(ngx_glob_t *gl); | |
176 #define ngx_open_glob_n "glob()" | |
177 ngx_int_t ngx_read_glob(ngx_glob_t *gl, ngx_str_t *name); | |
178 void ngx_close_glob(ngx_glob_t *gl); | |
179 | |
180 | |
611 | 181 ngx_err_t ngx_trylock_fd(ngx_fd_t fd); |
182 ngx_err_t ngx_lock_fd(ngx_fd_t fd); | |
183 ngx_err_t ngx_unlock_fd(ngx_fd_t fd); | |
184 | |
185 #define ngx_trylock_fd_n "fcntl(F_SETLK, F_WRLCK)" | |
186 #define ngx_lock_fd_n "fcntl(F_SETLKW, F_WRLCK)" | |
187 #define ngx_unlock_fd_n "fcntl(F_SETLK, F_UNLCK)" | |
188 | |
189 | |
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190 #endif /* _NGX_FILES_H_INCLUDED_ */ |