moss.fs
Interface MDirOps

public interface MDirOps

This interface defines kernel "directory-operations". Its use is somewhat limited to actual directory handling (unlike MFileOps).

Method Summary

int	close(MFile handle) used to close a directory.
int	open(MFile handle) used to open a directory.
int	readdir(MFile handle, MDirEnt dirent) used to read a directory entry.

Method Detail

open

int open(MFile handle)

used to open a directory. This is only ever called once for each file (directory) handle

Parameters:

handle - file-handle of directory being opened

Returns:

0 on success or < 0 indicating error

close

int close(MFile handle)

used to close a directory. This is only ever called once for each file (directory) handle

Parameters:

handle - file-handle of the directory being closed

Returns:

0 on success or < 0 indicating error

readdir

int readdir(MFile handle,
            MDirEnt dirent)

used to read a directory entry.

Parameters:

handle - file-handle of the directory to read from

dirent - MDirEnt in which the directory entry is stored

Returns:

0 on success or < 0 indicating error (including end-of-directory)