Base for UNIX file system implementations. More...

Inheritance diagram for ufs_file_base:

Collaboration diagram for ufs_file_base:

Public Member Functions
offset_type	size ()
	Returns size of the file.
void	set_size (offset_type newsize)
	Changes the size of the file.
void	lock ()
	Locks file for reading and writing (acquires a lock in the file system).
const char *	io_type () const
	Identifies the type of I/O implementation.
void	remove ()
Protected Member Functions
	ufs_file_base (const std::string &filename, int mode)
offset_type	_size ()
void	close ()
Protected Attributes
mutex	fd_mutex
int	file_des
int	mode_
const std::string	filename

Detailed Description

Base for UNIX file system implementations.

Member Function Documentation

__STXXL_BEGIN_NAMESPACE const char * ufs_file_base::io_type ( ) const [virtual]

Identifies the type of I/O implementation.

Returns:: pointer to null terminated string of characters, containing the name of I/O implementation

Reimplemented from file.

void ufs_file_base::lock ( ) [virtual]

Locks file for reading and writing (acquires a lock in the file system).

Implements file.

void ufs_file_base::set_size ( offset_type newsize ) [virtual]

Changes the size of the file.

Parameters:

newsize

new file size

Implements file.

file::offset_type ufs_file_base::size ( ) [virtual]

Returns size of the file.

Implements file.

The documentation for this class was generated from the following files: