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annotate src/os/unix/ngx_files.h @ 4475:0b05acc045eb

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Added openat()/fstatat().
author Andrey Belov <defan@nginx.com>
date Mon, 13 Feb 2012 16:13:21 +0000
parents d620f497c50f
children f7d131008e9c
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2 /*
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3 * Copyright (C) Igor Sysoev
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4 * Copyright (C) Nginx, Inc.
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5 */
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708f8bb772ec nginx-0.0.1-2002-09-02-18:48:24 import
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8 #ifndef _NGX_FILES_H_INCLUDED_
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9 #define _NGX_FILES_H_INCLUDED_
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12 #include <ngx_config.h>
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13 #include <ngx_core.h>
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15
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16 typedef int ngx_fd_t;
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17 typedef struct stat ngx_file_info_t;
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18 typedef ino_t ngx_file_uniq_t;
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19
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20
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21 typedef struct {
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515d50917016 ngx_create_file_mapping()
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22 u_char *name;
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23 size_t size;
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24 void *addr;
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25 ngx_fd_t fd;
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26 ngx_log_t *log;
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27 } ngx_file_mapping_t;
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29
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30 typedef struct {
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31 DIR *dir;
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32 struct dirent *de;
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33 struct stat info;
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34
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35 unsigned type:8;
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36 unsigned valid_info:1;
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37 } ngx_dir_t;
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39
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40 typedef struct {
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41 size_t n;
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42 glob_t pglob;
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43 u_char *pattern;
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44 ngx_log_t *log;
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45 ngx_uint_t test;
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46 } ngx_glob_t;
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49 #define NGX_INVALID_FILE -1
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50 #define NGX_FILE_ERROR -1
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53
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54 #ifdef __CYGWIN__
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55
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56 #define NGX_HAVE_CASELESS_FILESYSTEM 1
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57
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58 #define ngx_open_file(name, mode, create, access) \
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59 open((const char *) name, mode|create|O_BINARY, access)
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60
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61 #else
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62
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63 #define ngx_open_file(name, mode, create, access) \
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64 open((const char *) name, mode|create, access)
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65
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66 #endif
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68 #define ngx_open_file_n "open()"
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70 #define NGX_FILE_RDONLY O_RDONLY
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71 #define NGX_FILE_WRONLY O_WRONLY
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72 #define NGX_FILE_RDWR O_RDWR
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73 #define NGX_FILE_CREATE_OR_OPEN O_CREAT
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74 #define NGX_FILE_OPEN 0
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75 #define NGX_FILE_TRUNCATE O_CREAT|O_TRUNC
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76 #define NGX_FILE_APPEND O_WRONLY|O_APPEND
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77 #define NGX_FILE_NONBLOCK O_NONBLOCK
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78
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79 #if (NGX_HAVE_OPENAT)
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80 #define NGX_FILE_NOFOLLOW O_NOFOLLOW
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81 #endif
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82
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83 #define NGX_FILE_DEFAULT_ACCESS 0644
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84 #define NGX_FILE_OWNER_ACCESS 0600
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87 #define ngx_close_file close
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88 #define ngx_close_file_n "close()"
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91 #define ngx_delete_file(name) unlink((const char *) name)
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92 #define ngx_delete_file_n "unlink()"
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93
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95 ngx_fd_t ngx_open_tempfile(u_char *name, ngx_uint_t persistent,
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96 ngx_uint_t access);
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97 #define ngx_open_tempfile_n "open()"
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100 ssize_t ngx_read_file(ngx_file_t *file, u_char *buf, size_t size, off_t offset);
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101 #if (NGX_HAVE_PREAD)
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102 #define ngx_read_file_n "pread()"
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103 #else
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104 #define ngx_read_file_n "read()"
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105 #endif
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107 ssize_t ngx_write_file(ngx_file_t *file, u_char *buf, size_t size,
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108 off_t offset);
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110 ssize_t ngx_write_chain_to_file(ngx_file_t *file, ngx_chain_t *ce,
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111 off_t offset, ngx_pool_t *pool);
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112
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113
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114 #define ngx_read_fd read
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115 #define ngx_read_fd_n "read()"
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116
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117 /*
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118 * we use inlined function instead of simple #define
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119 * because glibc 2.3 sets warn_unused_result attribute for write()
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120 * and in this case gcc 4.3 ignores (void) cast
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121 */
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122 static ngx_inline ssize_t
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123 ngx_write_fd(ngx_fd_t fd, void *buf, size_t n)
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124 {
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125 return write(fd, buf, n);
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126 }
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127
1055
0f692964f1b3 ngx_read_fd()
Igor Sysoev <igor@sysoev.ru>
parents: 1054
diff changeset
128 #define ngx_write_fd_n "write()"
0f692964f1b3 ngx_read_fd()
Igor Sysoev <igor@sysoev.ru>
parents: 1054
diff changeset
129
2769
9d986c4e796f introduce ngx_write_console() to support OEM code pages
Igor Sysoev <igor@sysoev.ru>
parents: 2758
diff changeset
130
9d986c4e796f introduce ngx_write_console() to support OEM code pages
Igor Sysoev <igor@sysoev.ru>
parents: 2758
diff changeset
131 #define ngx_write_console ngx_write_fd
9d986c4e796f introduce ngx_write_console() to support OEM code pages
Igor Sysoev <igor@sysoev.ru>
parents: 2758
diff changeset
132
9d986c4e796f introduce ngx_write_console() to support OEM code pages
Igor Sysoev <igor@sysoev.ru>
parents: 2758
diff changeset
133
571
458b6c3fea65 nginx-0.3.7-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 497
diff changeset
134 #define ngx_linefeed(p) *p++ = LF;
458b6c3fea65 nginx-0.3.7-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 497
diff changeset
135 #define NGX_LINEFEED_SIZE 1
4283
f72496073689 Introduction of simple ngx_write_stderr() instead of ngx_log_stderr()
Igor Sysoev <igor@sysoev.ru>
parents: 3970
diff changeset
136 #define NGX_LINEFEED "\x0a"
571
458b6c3fea65 nginx-0.3.7-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 497
diff changeset
137
458b6c3fea65 nginx-0.3.7-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 497
diff changeset
138
633
f971949ffb58 nginx-0.3.38-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 611
diff changeset
139 #define ngx_rename_file(o, n) rename((const char *) o, (const char *) n)
681
7e24168b0853 nginx-0.4.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 669
diff changeset
140 #define ngx_rename_file_n "rename()"
170
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 99
diff changeset
141
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 99
diff changeset
142
669
562806624c4a nginx-0.3.56-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
143 #define ngx_change_file_access(n, a) chmod((const char *) n, a)
681
7e24168b0853 nginx-0.4.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 669
diff changeset
144 #define ngx_change_file_access_n "chmod()"
7e24168b0853 nginx-0.4.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 669
diff changeset
145
7e24168b0853 nginx-0.4.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 669
diff changeset
146
7e24168b0853 nginx-0.4.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 669
diff changeset
147 ngx_int_t ngx_set_file_time(u_char *name, ngx_fd_t fd, time_t s);
7e24168b0853 nginx-0.4.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 669
diff changeset
148 #define ngx_set_file_time_n "utimes()"
669
562806624c4a nginx-0.3.56-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
149
562806624c4a nginx-0.3.56-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
150
290
87e73f067470 nginx-0.0.2-2004-03-16-10:10:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 278
diff changeset
151 #define ngx_file_info(file, sb) stat((const char *) file, sb)
186
c1f3a3c7c5db nginx-0.0.1-2003-11-17-00:49:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 185
diff changeset
152 #define ngx_file_info_n "stat()"
c1f3a3c7c5db nginx-0.0.1-2003-11-17-00:49:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 185
diff changeset
153
c1f3a3c7c5db nginx-0.0.1-2003-11-17-00:49:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 185
diff changeset
154 #define ngx_fd_info(fd, sb) fstat(fd, sb)
c1f3a3c7c5db nginx-0.0.1-2003-11-17-00:49:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 185
diff changeset
155 #define ngx_fd_info_n "fstat()"
c1f3a3c7c5db nginx-0.0.1-2003-11-17-00:49:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 185
diff changeset
156
3501
423ff11e3018 use lstat() for WebDAV DELETE, COPY, and MOVE to handle symlinks
Igor Sysoev <igor@sysoev.ru>
parents: 3497
diff changeset
157 #define ngx_link_info(file, sb) lstat((const char *) file, sb)
423ff11e3018 use lstat() for WebDAV DELETE, COPY, and MOVE to handle symlinks
Igor Sysoev <igor@sysoev.ru>
parents: 3497
diff changeset
158 #define ngx_link_info_n "lstat()"
423ff11e3018 use lstat() for WebDAV DELETE, COPY, and MOVE to handle symlinks
Igor Sysoev <igor@sysoev.ru>
parents: 3497
diff changeset
159
186
c1f3a3c7c5db nginx-0.0.1-2003-11-17-00:49:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 185
diff changeset
160 #define ngx_is_dir(sb) (S_ISDIR((sb)->st_mode))
c1f3a3c7c5db nginx-0.0.1-2003-11-17-00:49:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 185
diff changeset
161 #define ngx_is_file(sb) (S_ISREG((sb)->st_mode))
669
562806624c4a nginx-0.3.56-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
162 #define ngx_is_link(sb) (S_ISLNK((sb)->st_mode))
3281
c5af9f73c664 fix "if (!-x ...)"
Igor Sysoev <igor@sysoev.ru>
parents: 3200
diff changeset
163 #define ngx_is_exec(sb) (((sb)->st_mode & S_IXUSR) == S_IXUSR)
1053
b9fa23cda4cc ngx_file_access() and ngx_de_access()
Igor Sysoev <igor@sysoev.ru>
parents: 1048
diff changeset
164 #define ngx_file_access(sb) ((sb)->st_mode & 0777)
186
c1f3a3c7c5db nginx-0.0.1-2003-11-17-00:49:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 185
diff changeset
165 #define ngx_file_size(sb) (sb)->st_size
3899
e7cd13b7f759 Use more precise stat.st_blocks to account cache size on Unix
Igor Sysoev <igor@sysoev.ru>
parents: 3651
diff changeset
166 #define ngx_file_fs_size(sb) ((sb)->st_blocks * 512)
186
c1f3a3c7c5db nginx-0.0.1-2003-11-17-00:49:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 185
diff changeset
167 #define ngx_file_mtime(sb) (sb)->st_mtime
c1f3a3c7c5db nginx-0.0.1-2003-11-17-00:49:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 185
diff changeset
168 #define ngx_file_uniq(sb) (sb)->st_ino
c1f3a3c7c5db nginx-0.0.1-2003-11-17-00:49:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 185
diff changeset
169
c1f3a3c7c5db nginx-0.0.1-2003-11-17-00:49:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 185
diff changeset
170
3651
515d50917016 ngx_create_file_mapping()
Igor Sysoev <igor@sysoev.ru>
parents: 3501
diff changeset
171 ngx_int_t ngx_create_file_mapping(ngx_file_mapping_t *fm);
515d50917016 ngx_create_file_mapping()
Igor Sysoev <igor@sysoev.ru>
parents: 3501
diff changeset
172 void ngx_close_file_mapping(ngx_file_mapping_t *fm);
515d50917016 ngx_create_file_mapping()
Igor Sysoev <igor@sysoev.ru>
parents: 3501
diff changeset
173
515d50917016 ngx_create_file_mapping()
Igor Sysoev <igor@sysoev.ru>
parents: 3501
diff changeset
174
2126
5e954395a15e case insensitive file system location support provided by locale only
Igor Sysoev <igor@sysoev.ru>
parents: 1980
diff changeset
175 #if (NGX_HAVE_CASELESS_FILESYSTEM)
5e954395a15e case insensitive file system location support provided by locale only
Igor Sysoev <igor@sysoev.ru>
parents: 1980
diff changeset
176
5e954395a15e case insensitive file system location support provided by locale only
Igor Sysoev <igor@sysoev.ru>
parents: 1980
diff changeset
177 #define ngx_filename_cmp(s1, s2, n) strncasecmp((char *) s1, (char *) s2, n)
5e954395a15e case insensitive file system location support provided by locale only
Igor Sysoev <igor@sysoev.ru>
parents: 1980
diff changeset
178
5e954395a15e case insensitive file system location support provided by locale only
Igor Sysoev <igor@sysoev.ru>
parents: 1980
diff changeset
179 #else
5e954395a15e case insensitive file system location support provided by locale only
Igor Sysoev <igor@sysoev.ru>
parents: 1980
diff changeset
180
5e954395a15e case insensitive file system location support provided by locale only
Igor Sysoev <igor@sysoev.ru>
parents: 1980
diff changeset
181 #define ngx_filename_cmp ngx_memcmp
5e954395a15e case insensitive file system location support provided by locale only
Igor Sysoev <igor@sysoev.ru>
parents: 1980
diff changeset
182
5e954395a15e case insensitive file system location support provided by locale only
Igor Sysoev <igor@sysoev.ru>
parents: 1980
diff changeset
183 #endif
5e954395a15e case insensitive file system location support provided by locale only
Igor Sysoev <igor@sysoev.ru>
parents: 1980
diff changeset
184
336
ca9a7f8c86da nginx-0.0.3-2004-05-18-19:29:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 333
diff changeset
185
2259
0864138899f1 $realpath_root
Igor Sysoev <igor@sysoev.ru>
parents: 2248
diff changeset
186 #define ngx_realpath(p, r) realpath((char *) p, (char *) r)
0864138899f1 $realpath_root
Igor Sysoev <igor@sysoev.ru>
parents: 2248
diff changeset
187 #define ngx_realpath_n "realpath()"
2758
77264e0157ad -p and --prefix=
Igor Sysoev <igor@sysoev.ru>
parents: 2744
diff changeset
188 #define ngx_getcwd(buf, size) (getcwd((char *) buf, size) != NULL)
336
ca9a7f8c86da nginx-0.0.3-2004-05-18-19:29:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 333
diff changeset
189 #define ngx_getcwd_n "getcwd()"
2744
e50a2faac31d ngx_path_separator()
Igor Sysoev <igor@sysoev.ru>
parents: 2743
diff changeset
190 #define ngx_path_separator(c) ((c) == '/')
e50a2faac31d ngx_path_separator()
Igor Sysoev <igor@sysoev.ru>
parents: 2743
diff changeset
191
336
ca9a7f8c86da nginx-0.0.3-2004-05-18-19:29:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 333
diff changeset
192 #define NGX_MAX_PATH PATH_MAX
ca9a7f8c86da nginx-0.0.3-2004-05-18-19:29:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 333
diff changeset
193
186
c1f3a3c7c5db nginx-0.0.1-2003-11-17-00:49:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 185
diff changeset
194 #define NGX_DIR_MASK_LEN 0
c1f3a3c7c5db nginx-0.0.1-2003-11-17-00:49:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 185
diff changeset
195
c1f3a3c7c5db nginx-0.0.1-2003-11-17-00:49:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 185
diff changeset
196
467
bbd6b0b4a2b1 nginx-0.1.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 457
diff changeset
197 ngx_int_t ngx_open_dir(ngx_str_t *name, ngx_dir_t *dir);
185
d5f50cefc322 nginx-0.0.1-2003-11-14-19:52:04 import
Igor Sysoev <igor@sysoev.ru>
parents: 184
diff changeset
198 #define ngx_open_dir_n "opendir()"
d5f50cefc322 nginx-0.0.1-2003-11-14-19:52:04 import
Igor Sysoev <igor@sysoev.ru>
parents: 184
diff changeset
199
d5f50cefc322 nginx-0.0.1-2003-11-14-19:52:04 import
Igor Sysoev <igor@sysoev.ru>
parents: 184
diff changeset
200
186
c1f3a3c7c5db nginx-0.0.1-2003-11-17-00:49:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 185
diff changeset
201 #define ngx_close_dir(d) closedir((d)->dir)
c1f3a3c7c5db nginx-0.0.1-2003-11-17-00:49:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 185
diff changeset
202 #define ngx_close_dir_n "closedir()"
c1f3a3c7c5db nginx-0.0.1-2003-11-17-00:49:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 185
diff changeset
203
c1f3a3c7c5db nginx-0.0.1-2003-11-17-00:49:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 185
diff changeset
204
2234
c7c319896bb4 *) autoconfigure struct dirent capabilities
Igor Sysoev <igor@sysoev.ru>
parents: 2232
diff changeset
205 ngx_int_t ngx_read_dir(ngx_dir_t *dir);
185
d5f50cefc322 nginx-0.0.1-2003-11-14-19:52:04 import
Igor Sysoev <igor@sysoev.ru>
parents: 184
diff changeset
206 #define ngx_read_dir_n "readdir()"
d5f50cefc322 nginx-0.0.1-2003-11-14-19:52:04 import
Igor Sysoev <igor@sysoev.ru>
parents: 184
diff changeset
207
d5f50cefc322 nginx-0.0.1-2003-11-14-19:52:04 import
Igor Sysoev <igor@sysoev.ru>
parents: 184
diff changeset
208
669
562806624c4a nginx-0.3.56-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
209 #define ngx_create_dir(name, access) mkdir((const char *) name, access)
186
c1f3a3c7c5db nginx-0.0.1-2003-11-17-00:49:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 185
diff changeset
210 #define ngx_create_dir_n "mkdir()"
74
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 57
diff changeset
211
3
34a521b1a148 nginx-0.0.1-2002-08-20-18:48:28 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
212
290
87e73f067470 nginx-0.0.2-2004-03-16-10:10:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 278
diff changeset
213 #define ngx_delete_dir(name) rmdir((const char *) name)
185
d5f50cefc322 nginx-0.0.1-2003-11-14-19:52:04 import
Igor Sysoev <igor@sysoev.ru>
parents: 184
diff changeset
214 #define ngx_delete_dir_n "rmdir()"
d5f50cefc322 nginx-0.0.1-2003-11-14-19:52:04 import
Igor Sysoev <igor@sysoev.ru>
parents: 184
diff changeset
215
d5f50cefc322 nginx-0.0.1-2003-11-14-19:52:04 import
Igor Sysoev <igor@sysoev.ru>
parents: 184
diff changeset
216
1089
b2e6eb425770 use ngx_dir_access() to enable search bits for directory
Igor Sysoev <igor@sysoev.ru>
parents: 1055
diff changeset
217 #define ngx_dir_access(a) (a | (a & 0444) >> 2)
b2e6eb425770 use ngx_dir_access() to enable search bits for directory
Igor Sysoev <igor@sysoev.ru>
parents: 1055
diff changeset
218
b2e6eb425770 use ngx_dir_access() to enable search bits for directory
Igor Sysoev <igor@sysoev.ru>
parents: 1055
diff changeset
219
457
ded1284520cc nginx-0.1.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
220 #define ngx_de_name(dir) ((u_char *) (dir)->de->d_name)
2234
c7c319896bb4 *) autoconfigure struct dirent capabilities
Igor Sysoev <igor@sysoev.ru>
parents: 2232
diff changeset
221 #if (NGX_HAVE_D_NAMLEN)
186
c1f3a3c7c5db nginx-0.0.1-2003-11-17-00:49:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 185
diff changeset
222 #define ngx_de_namelen(dir) (dir)->de->d_namlen
c1f3a3c7c5db nginx-0.0.1-2003-11-17-00:49:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 185
diff changeset
223 #else
c1f3a3c7c5db nginx-0.0.1-2003-11-17-00:49:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 185
diff changeset
224 #define ngx_de_namelen(dir) ngx_strlen((dir)->de->d_name)
c1f3a3c7c5db nginx-0.0.1-2003-11-17-00:49:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 185
diff changeset
225 #endif
3200
26784c34e8be *) reset cached dirent.d_type after stat()
Igor Sysoev <igor@sysoev.ru>
parents: 3178
diff changeset
226
26784c34e8be *) reset cached dirent.d_type after stat()
Igor Sysoev <igor@sysoev.ru>
parents: 3178
diff changeset
227 static ngx_inline ngx_int_t
26784c34e8be *) reset cached dirent.d_type after stat()
Igor Sysoev <igor@sysoev.ru>
parents: 3178
diff changeset
228 ngx_de_info(u_char *name, ngx_dir_t *dir)
26784c34e8be *) reset cached dirent.d_type after stat()
Igor Sysoev <igor@sysoev.ru>
parents: 3178
diff changeset
229 {
26784c34e8be *) reset cached dirent.d_type after stat()
Igor Sysoev <igor@sysoev.ru>
parents: 3178
diff changeset
230 dir->type = 0;
26784c34e8be *) reset cached dirent.d_type after stat()
Igor Sysoev <igor@sysoev.ru>
parents: 3178
diff changeset
231 return stat((const char *) name, &dir->info);
26784c34e8be *) reset cached dirent.d_type after stat()
Igor Sysoev <igor@sysoev.ru>
parents: 3178
diff changeset
232 }
26784c34e8be *) reset cached dirent.d_type after stat()
Igor Sysoev <igor@sysoev.ru>
parents: 3178
diff changeset
233
186
c1f3a3c7c5db nginx-0.0.1-2003-11-17-00:49:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 185
diff changeset
234 #define ngx_de_info_n "stat()"
497
d7c90bb5ce83 nginx-0.1.23-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 473
diff changeset
235 #define ngx_de_link_info(name, dir) lstat((const char *) name, &(dir)->info)
d7c90bb5ce83 nginx-0.1.23-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 473
diff changeset
236 #define ngx_de_link_info_n "lstat()"
2234
c7c319896bb4 *) autoconfigure struct dirent capabilities
Igor Sysoev <igor@sysoev.ru>
parents: 2232
diff changeset
237
c7c319896bb4 *) autoconfigure struct dirent capabilities
Igor Sysoev <igor@sysoev.ru>
parents: 2232
diff changeset
238 #if (NGX_HAVE_D_TYPE)
c7c319896bb4 *) autoconfigure struct dirent capabilities
Igor Sysoev <igor@sysoev.ru>
parents: 2232
diff changeset
239
3200
26784c34e8be *) reset cached dirent.d_type after stat()
Igor Sysoev <igor@sysoev.ru>
parents: 3178
diff changeset
240 /*
26784c34e8be *) reset cached dirent.d_type after stat()
Igor Sysoev <igor@sysoev.ru>
parents: 3178
diff changeset
241 * some file systems (e.g. XFS on Linux and CD9660 on FreeBSD)
26784c34e8be *) reset cached dirent.d_type after stat()
Igor Sysoev <igor@sysoev.ru>
parents: 3178
diff changeset
242 * do not set dirent.d_type
26784c34e8be *) reset cached dirent.d_type after stat()
Igor Sysoev <igor@sysoev.ru>
parents: 3178
diff changeset
243 */
2550
5e87ddb4764f XFS on Linux does not set dirent.d_type,
Igor Sysoev <igor@sysoev.ru>
parents: 2302
diff changeset
244
5e87ddb4764f XFS on Linux does not set dirent.d_type,
Igor Sysoev <igor@sysoev.ru>
parents: 2302
diff changeset
245 #define ngx_de_is_dir(dir) \
5e87ddb4764f XFS on Linux does not set dirent.d_type,
Igor Sysoev <igor@sysoev.ru>
parents: 2302
diff changeset
246 (((dir)->type) ? ((dir)->type == DT_DIR) : (S_ISDIR((dir)->info.st_mode)))
5e87ddb4764f XFS on Linux does not set dirent.d_type,
Igor Sysoev <igor@sysoev.ru>
parents: 2302
diff changeset
247 #define ngx_de_is_file(dir) \
5e87ddb4764f XFS on Linux does not set dirent.d_type,
Igor Sysoev <igor@sysoev.ru>
parents: 2302
diff changeset
248 (((dir)->type) ? ((dir)->type == DT_REG) : (S_ISREG((dir)->info.st_mode)))
5e87ddb4764f XFS on Linux does not set dirent.d_type,
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parents: 2302
diff changeset
249 #define ngx_de_is_link(dir) \
3200
26784c34e8be *) reset cached dirent.d_type after stat()
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parents: 3178
diff changeset
250 (((dir)->type) ? ((dir)->type == DT_LNK) : (S_ISLNK((dir)->info.st_mode)))
2550
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parents: 2302
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251
2234
c7c319896bb4 *) autoconfigure struct dirent capabilities
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parents: 2232
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252 #else
c7c319896bb4 *) autoconfigure struct dirent capabilities
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parents: 2232
diff changeset
253
186
c1f3a3c7c5db nginx-0.0.1-2003-11-17-00:49:42 import
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parents: 185
diff changeset
254 #define ngx_de_is_dir(dir) (S_ISDIR((dir)->info.st_mode))
c1f3a3c7c5db nginx-0.0.1-2003-11-17-00:49:42 import
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parents: 185
diff changeset
255 #define ngx_de_is_file(dir) (S_ISREG((dir)->info.st_mode))
497
d7c90bb5ce83 nginx-0.1.23-RELEASE import
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parents: 473
diff changeset
256 #define ngx_de_is_link(dir) (S_ISLNK((dir)->info.st_mode))
2234
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parents: 2232
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257
c7c319896bb4 *) autoconfigure struct dirent capabilities
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parents: 2232
diff changeset
258 #endif
c7c319896bb4 *) autoconfigure struct dirent capabilities
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parents: 2232
diff changeset
259
1053
b9fa23cda4cc ngx_file_access() and ngx_de_access()
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parents: 1048
diff changeset
260 #define ngx_de_access(dir) (((dir)->info.st_mode) & 0777)
186
c1f3a3c7c5db nginx-0.0.1-2003-11-17-00:49:42 import
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parents: 185
diff changeset
261 #define ngx_de_size(dir) (dir)->info.st_size
3970
2d05952a324d elimination of reading cache files by cache loader
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parents: 3899
diff changeset
262 #define ngx_de_fs_size(dir) ((dir)->info.st_blocks * 512)
186
c1f3a3c7c5db nginx-0.0.1-2003-11-17-00:49:42 import
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parents: 185
diff changeset
263 #define ngx_de_mtime(dir) (dir)->info.st_mtime
3
34a521b1a148 nginx-0.0.1-2002-08-20-18:48:28 import
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parents:
diff changeset
264
34a521b1a148 nginx-0.0.1-2002-08-20-18:48:28 import
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parents:
diff changeset
265
727
532d15ddbe68 glob support in include
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parents: 691
diff changeset
266 ngx_int_t ngx_open_glob(ngx_glob_t *gl);
532d15ddbe68 glob support in include
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parents: 691
diff changeset
267 #define ngx_open_glob_n "glob()"
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parents: 691
diff changeset
268 ngx_int_t ngx_read_glob(ngx_glob_t *gl, ngx_str_t *name);
532d15ddbe68 glob support in include
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parents: 691
diff changeset
269 void ngx_close_glob(ngx_glob_t *gl);
532d15ddbe68 glob support in include
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parents: 691
diff changeset
270
532d15ddbe68 glob support in include
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parents: 691
diff changeset
271
611
3f8a2132b93d nginx-0.3.27-RELEASE import
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parents: 571
diff changeset
272 ngx_err_t ngx_trylock_fd(ngx_fd_t fd);
3f8a2132b93d nginx-0.3.27-RELEASE import
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parents: 571
diff changeset
273 ngx_err_t ngx_lock_fd(ngx_fd_t fd);
3f8a2132b93d nginx-0.3.27-RELEASE import
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parents: 571
diff changeset
274 ngx_err_t ngx_unlock_fd(ngx_fd_t fd);
3f8a2132b93d nginx-0.3.27-RELEASE import
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parents: 571
diff changeset
275
3f8a2132b93d nginx-0.3.27-RELEASE import
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parents: 571
diff changeset
276 #define ngx_trylock_fd_n "fcntl(F_SETLK, F_WRLCK)"
3f8a2132b93d nginx-0.3.27-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 571
diff changeset
277 #define ngx_lock_fd_n "fcntl(F_SETLKW, F_WRLCK)"
3f8a2132b93d nginx-0.3.27-RELEASE import
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parents: 571
diff changeset
278 #define ngx_unlock_fd_n "fcntl(F_SETLK, F_UNLCK)"
3f8a2132b93d nginx-0.3.27-RELEASE import
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parents: 571
diff changeset
279
3f8a2132b93d nginx-0.3.27-RELEASE import
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parents: 571
diff changeset
280
3178
975f0558aab3 read_ahead
Igor Sysoev <igor@sysoev.ru>
parents: 3052
diff changeset
281 #if (NGX_HAVE_F_READAHEAD)
975f0558aab3 read_ahead
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parents: 3052
diff changeset
282
975f0558aab3 read_ahead
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parents: 3052
diff changeset
283 #define NGX_HAVE_READ_AHEAD 1
975f0558aab3 read_ahead
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parents: 3052
diff changeset
284
975f0558aab3 read_ahead
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parents: 3052
diff changeset
285 #define ngx_read_ahead(fd, n) fcntl(fd, F_READAHEAD, (int) n)
975f0558aab3 read_ahead
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parents: 3052
diff changeset
286 #define ngx_read_ahead_n "fcntl(fd, F_READAHEAD)"
975f0558aab3 read_ahead
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parents: 3052
diff changeset
287
975f0558aab3 read_ahead
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parents: 3052
diff changeset
288 #elif (NGX_HAVE_POSIX_FADVISE)
975f0558aab3 read_ahead
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parents: 3052
diff changeset
289
975f0558aab3 read_ahead
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parents: 3052
diff changeset
290 #define NGX_HAVE_READ_AHEAD 1
975f0558aab3 read_ahead
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parents: 3052
diff changeset
291
3322
e19df6e65352 fix posix_fadvise() error handling
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parents: 3294
diff changeset
292 ngx_int_t ngx_read_ahead(ngx_fd_t fd, size_t n);
3178
975f0558aab3 read_ahead
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parents: 3052
diff changeset
293 #define ngx_read_ahead_n "posix_fadvise(POSIX_FADV_SEQUENTIAL)"
975f0558aab3 read_ahead
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parents: 3052
diff changeset
294
975f0558aab3 read_ahead
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parents: 3052
diff changeset
295 #else
975f0558aab3 read_ahead
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parents: 3052
diff changeset
296
975f0558aab3 read_ahead
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parents: 3052
diff changeset
297 #define ngx_read_ahead(fd, n) 0
975f0558aab3 read_ahead
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parents: 3052
diff changeset
298 #define ngx_read_ahead_n "ngx_read_ahead_n"
975f0558aab3 read_ahead
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parents: 3052
diff changeset
299
975f0558aab3 read_ahead
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parents: 3052
diff changeset
300 #endif
975f0558aab3 read_ahead
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parents: 3052
diff changeset
301
975f0558aab3 read_ahead
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parents: 3052
diff changeset
302
2129
25add486e7aa directio
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parents: 2126
diff changeset
303 #if (NGX_HAVE_O_DIRECT)
25add486e7aa directio
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parents: 2126
diff changeset
304
2248
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parents: 2234
diff changeset
305 ngx_int_t ngx_directio_on(ngx_fd_t fd);
1adec90a0e46 disable directio for unaligned reads in Linux
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parents: 2234
diff changeset
306 #define ngx_directio_on_n "fcntl(O_DIRECT)"
1adec90a0e46 disable directio for unaligned reads in Linux
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parents: 2234
diff changeset
307
1adec90a0e46 disable directio for unaligned reads in Linux
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parents: 2234
diff changeset
308 ngx_int_t ngx_directio_off(ngx_fd_t fd);
1adec90a0e46 disable directio for unaligned reads in Linux
Igor Sysoev <igor@sysoev.ru>
parents: 2234
diff changeset
309 #define ngx_directio_off_n "fcntl(!O_DIRECT)"
2129
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parents: 2126
diff changeset
310
25add486e7aa directio
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parents: 2126
diff changeset
311 #elif (NGX_HAVE_F_NOCACHE)
25add486e7aa directio
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parents: 2126
diff changeset
312
2248
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parents: 2234
diff changeset
313 #define ngx_directio_on(fd) fcntl(fd, F_NOCACHE, 1)
1adec90a0e46 disable directio for unaligned reads in Linux
Igor Sysoev <igor@sysoev.ru>
parents: 2234
diff changeset
314 #define ngx_directio_on_n "fcntl(F_NOCACHE, 1)"
2129
25add486e7aa directio
Igor Sysoev <igor@sysoev.ru>
parents: 2126
diff changeset
315
2143
56964e5b77db Solaris directio()
Igor Sysoev <igor@sysoev.ru>
parents: 2129
diff changeset
316 #elif (NGX_HAVE_DIRECTIO)
56964e5b77db Solaris directio()
Igor Sysoev <igor@sysoev.ru>
parents: 2129
diff changeset
317
2248
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parents: 2234
diff changeset
318 #define ngx_directio_on(fd) directio(fd, DIRECTIO_ON)
1adec90a0e46 disable directio for unaligned reads in Linux
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parents: 2234
diff changeset
319 #define ngx_directio_on_n "directio(DIRECTIO_ON)"
2143
56964e5b77db Solaris directio()
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parents: 2129
diff changeset
320
2129
25add486e7aa directio
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parents: 2126
diff changeset
321 #else
25add486e7aa directio
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parents: 2126
diff changeset
322
2248
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Igor Sysoev <igor@sysoev.ru>
parents: 2234
diff changeset
323 #define ngx_directio_on(fd) 0
1adec90a0e46 disable directio for unaligned reads in Linux
Igor Sysoev <igor@sysoev.ru>
parents: 2234
diff changeset
324 #define ngx_directio_on_n "ngx_directio_on_n"
2129
25add486e7aa directio
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parents: 2126
diff changeset
325
25add486e7aa directio
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parents: 2126
diff changeset
326 #endif
25add486e7aa directio
Igor Sysoev <igor@sysoev.ru>
parents: 2126
diff changeset
327
2615
ceef364208c8 ngx_fs_bsize()
Igor Sysoev <igor@sysoev.ru>
parents: 2592
diff changeset
328 size_t ngx_fs_bsize(u_char *name);
ceef364208c8 ngx_fs_bsize()
Igor Sysoev <igor@sysoev.ru>
parents: 2592
diff changeset
329
ceef364208c8 ngx_fs_bsize()
Igor Sysoev <igor@sysoev.ru>
parents: 2592
diff changeset
330
4475
0b05acc045eb Added openat()/fstatat().
Andrey Belov <defan@nginx.com>
parents: 4412
diff changeset
331 #if (NGX_HAVE_OPENAT)
0b05acc045eb Added openat()/fstatat().
Andrey Belov <defan@nginx.com>
parents: 4412
diff changeset
332
0b05acc045eb Added openat()/fstatat().
Andrey Belov <defan@nginx.com>
parents: 4412
diff changeset
333 #define ngx_openat_file(fd, name, mode, create, access) \
0b05acc045eb Added openat()/fstatat().
Andrey Belov <defan@nginx.com>
parents: 4412
diff changeset
334 openat(fd, (const char *) name, mode|create, access)
0b05acc045eb Added openat()/fstatat().
Andrey Belov <defan@nginx.com>
parents: 4412
diff changeset
335
0b05acc045eb Added openat()/fstatat().
Andrey Belov <defan@nginx.com>
parents: 4412
diff changeset
336 #define ngx_openat_file_n "openat()"
0b05acc045eb Added openat()/fstatat().
Andrey Belov <defan@nginx.com>
parents: 4412
diff changeset
337
0b05acc045eb Added openat()/fstatat().
Andrey Belov <defan@nginx.com>
parents: 4412
diff changeset
338 #define ngx_file_at_info(fd, name, sb, flag) \
0b05acc045eb Added openat()/fstatat().
Andrey Belov <defan@nginx.com>
parents: 4412
diff changeset
339 fstatat(fd, (const char *) name, sb, flag)
0b05acc045eb Added openat()/fstatat().
Andrey Belov <defan@nginx.com>
parents: 4412
diff changeset
340
0b05acc045eb Added openat()/fstatat().
Andrey Belov <defan@nginx.com>
parents: 4412
diff changeset
341 #define ngx_file_at_info_n "fstatat()"
0b05acc045eb Added openat()/fstatat().
Andrey Belov <defan@nginx.com>
parents: 4412
diff changeset
342
0b05acc045eb Added openat()/fstatat().
Andrey Belov <defan@nginx.com>
parents: 4412
diff changeset
343 #endif
0b05acc045eb Added openat()/fstatat().
Andrey Belov <defan@nginx.com>
parents: 4412
diff changeset
344
0b05acc045eb Added openat()/fstatat().
Andrey Belov <defan@nginx.com>
parents: 4412
diff changeset
345
2743
d8316f307b6a issue start up errors and warning on both stderr and error_log
Igor Sysoev <igor@sysoev.ru>
parents: 2686
diff changeset
346 #define ngx_stderr STDERR_FILENO
d8316f307b6a issue start up errors and warning on both stderr and error_log
Igor Sysoev <igor@sysoev.ru>
parents: 2686
diff changeset
347 #define ngx_set_stderr(fd) dup2(fd, STDERR_FILENO)
d8316f307b6a issue start up errors and warning on both stderr and error_log
Igor Sysoev <igor@sysoev.ru>
parents: 2686
diff changeset
348 #define ngx_set_stderr_n "dup2(STDERR_FILENO)"
d8316f307b6a issue start up errors and warning on both stderr and error_log
Igor Sysoev <igor@sysoev.ru>
parents: 2686
diff changeset
349
d8316f307b6a issue start up errors and warning on both stderr and error_log
Igor Sysoev <igor@sysoev.ru>
parents: 2686
diff changeset
350
3052
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 2933
diff changeset
351 #if (NGX_HAVE_FILE_AIO)
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 2933
diff changeset
352
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 2933
diff changeset
353 ssize_t ngx_file_aio_read(ngx_file_t *file, u_char *buf, size_t size,
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 2933
diff changeset
354 off_t offset, ngx_pool_t *pool);
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 2933
diff changeset
355
3294
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3281
diff changeset
356 extern ngx_uint_t ngx_file_aio;
04cfc09b8b8d export aio presence knowledge to prevent using "aio sendfile",
Igor Sysoev <igor@sysoev.ru>
parents: 3281
diff changeset
357
3052
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 2933
diff changeset
358 #endif
6060225e9261 FreeBSD and Linux AIO support
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parents: 2933
diff changeset
359
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 2933
diff changeset
360
8
708f8bb772ec nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents: 6
diff changeset
361 #endif /* _NGX_FILES_H_INCLUDED_ */