def get_temp_dir():
    # get name of a temp directory which will be automatically cleaned up
    tempdir = process.current_process()._config.get('tempdir') # This could be set to an arbitrary long path by users
    if tempdir is None:
        import shutil, tempfile
        tempdir = tempfile.mkdtemp(prefix='pymp-')
        info('created temp directory %s', tempdir)
        # keep a strong reference to shutil.rmtree(), since the finalizer
        # can be called late during Python shutdown
        Finalize(None, _remove_temp_dir, args=(shutil.rmtree, tempdir),
                 exitpriority=-100)
        process.current_process()._config['tempdir'] = tempdir
    return tempdir

def arbitrary_address(family):
    '''
    Return an arbitrary free address for the given family
    '''
    if family == 'AF_INET':
        return ('localhost', 0)
    elif family == 'AF_UNIX':
        return tempfile.mktemp(prefix='listener-', dir=util.get_temp_dir())
    elif family == 'AF_PIPE':
        return tempfile.mktemp(prefix=r'\\.\pipe\pyc-%d-%d-' %
                               (os.getpid(), next(_mmap_counter)), dir="")
    else:
        raise ValueError('unrecognized family')

with socket.socket(socket.AF_UNIX) as listener:
    address = connection.arbitrary_address('AF_UNIX')
    listener.bind(address)
    if not util.is_abstract_socket_namespace(address):
        os.chmod(address, 0o600)
    listener.listen()