13.7  SYS$GET_GALAXY_LOCK_SIZE
  This service returns the minimum and maximum size of a
  galaxy lock.  If a lock is created with the maximum size, the
  locking services will record acquire and release information
  in the lock.
  sys$get_galaxy_lock_size(min_size, max_size)
                 size
  parameter      (bytes)      type                   usage
  min_size        4           output by ref          Minimum size
                                                     of galaxy lock
  max_size       4            output by ref          Maximum size
                                                     of galaxy lock
  Return status:
      SS$_NORMAL