diff options
Diffstat (limited to 'lib/kernel/include')
| -rw-r--r-- | lib/kernel/include/file.hrl | 31 |
1 files changed, 17 insertions, 14 deletions
diff --git a/lib/kernel/include/file.hrl b/lib/kernel/include/file.hrl index 7cf033f7f5..36112bb040 100644 --- a/lib/kernel/include/file.hrl +++ b/lib/kernel/include/file.hrl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1997-2013. All Rights Reserved. +%% Copyright Ericsson AB 1997-2015. All Rights Reserved. %% %% Licensed under the Apache License, Version 2.0 (the "License"); %% you may not use this file except in compliance with the License. @@ -23,37 +23,40 @@ %%-------------------------------------------------------------------------- -record(file_info, - {size :: non_neg_integer(), % Size of file in bytes. - type :: 'device' | 'directory' | 'other' | 'regular' | 'symlink', - access :: 'read' | 'write' | 'read_write' | 'none', - atime :: file:date_time() | non_neg_integer(), + {size :: non_neg_integer() | 'undefined', % Size of file in bytes. + type :: 'device' | 'directory' | 'other' | 'regular' | 'symlink' + | 'undefined', + access :: 'read' | 'write' | 'read_write' | 'none' | 'undefined', + atime :: file:date_time() | non_neg_integer() | 'undefined', % The local time the file was last read: % {{Year, Mon, Day}, {Hour, Min, Sec}}. % atime, ctime, mtime may also be unix epochs() - mtime :: file:date_time() | non_neg_integer(), + mtime :: file:date_time() | non_neg_integer() | 'undefined', % The local time the file was last written. - ctime :: file:date_time() | non_neg_integer(), + ctime :: file:date_time() | non_neg_integer() | 'undefined', % The interpretation of this time field % is dependent on operating system. % On Unix it is the last time the file % or the inode was changed. On Windows, % it is the creation time. - mode :: non_neg_integer(), % File permissions. On Windows, + mode :: non_neg_integer() | 'undefined', + % File permissions. On Windows, % the owner permissions will be % duplicated for group and user. - links :: non_neg_integer(), + links :: non_neg_integer() | 'undefined', % Number of links to the file (1 if the % filesystem doesn't support links). - major_device :: non_neg_integer(), + major_device :: non_neg_integer() | 'undefined', % Identifies the file system (Unix), % or the drive number (A: = 0, B: = 1) % (Windows). %% The following are Unix specific. %% They are set to zero on other operating systems. - minor_device :: non_neg_integer(), % Only valid for devices. - inode :: non_neg_integer(), % Inode number for file. - uid :: non_neg_integer(), % User id for owner. - gid :: non_neg_integer()}). % Group id for owner. + minor_device :: non_neg_integer() | 'undefined', + % Only valid for devices. + inode :: non_neg_integer() | 'undefined', % Inode number for file. + uid :: non_neg_integer() | 'undefined', % User id for owner. + gid :: non_neg_integer() | 'undefined'}). % Group id for owner. -record(file_descriptor, |