       This method is only useful for the rare Berkeley DB application that
            does not control its umask value.
            </p>
        <p>
            Normally, if Berkeley DB applications set their umask appropriately,
            all processes in the application suite will have read permission on
            the log files created by any process in the application suite.
            However, if the Berkeley DB application is a library, a process
            using the library might set its umask