Field Detail

• APR_MMAP_READ

  public static final int APR_MMAP_READ

  MMap opened for reading

  See Also:

  Constant Field Values

• APR_MMAP_WRITE

  public static final int APR_MMAP_WRITE

  MMap opened for writing

  See Also:

  Constant Field Values

Constructor Detail

• Mmap

  public Mmap()

Method Detail

• create

  public static long create(long file,
            long offset,
            long size,
            int flag,
            long pool)
                     throws Error

  Create a new mmap'ed file out of an existing APR file.

  Parameters:

  file - The file turn into an mmap.

  offset - The offset into the file to start the data pointer at.

  size - The size of the file

  flag - bit-wise or of:

   APR_MMAP_READ       MMap opened for reading
   APR_MMAP_WRITE      MMap opened for writing
   

  pool - The pool to use when creating the mmap.

  Returns:

  The newly created mmap'ed file.

  Throws:

  Error - Error creating memory mapping

• dup

  public static long dup(long mmap,
         long pool)
                  throws Error

  Duplicate the specified MMAP.

  Parameters:

  mmap - The mmap to duplicate.

  pool - The pool to use for new_mmap.

  Returns:

  Duplicated mmap'ed file.

  Throws:

  Error - Error duplicating memory mapping

• delete

  public static int delete(long mm)

  Remove a mmap'ed.

  Parameters:

  mm - The mmap'ed file.

  Returns:

  the operation status

• offset

  public static long offset(long mm,
            long offset)
                     throws Error

  Move the pointer into the mmap'ed file to the specified offset.

  Parameters:

  mm - The mmap'ed file.

  offset - The offset to move to.

  Returns:

  The pointer to the offset specified.

  Throws:

  Error - Error reading file