    def _get_default_cache_dir(self):
        tmpdir = tempfile.gettempdir()

        # On windows the temporary directory is used specific unless
        # explicitly forced otherwise.  We can just use that.
        if os.name == 'n':
            return tmpdir
        if not hasattr(os, 'getuid'):
            raise RuntimeError('Cannot determine safe temp directory.  You '
                               'need to explicitly provide one.')

        dirname = '_jinja2-cache-%d' % os.getuid()
        actual_dir = os.path.join(tmpdir, dirname)
        try:
            os.mkdir(actual_dir, 0700)
        except OSError as e:
            if e.errno != errno.EEXIST:
                raise

        return actual_dir
Weaknesses in this category are related to the management of permissions, privileges, and other security features that are used to perform access control.