def safe_dump(d, fname, *args, **kwargs):
    """
    Savely dump `d` to `fname` using yaml

    This method creates a copy of `fname` called ``fname + '~'`` before saving
    `d` to `fname` using :func:`ordered_yaml_dump`

    Parameters
    ----------
    d: object
        The object to dump
    fname: str
        The path where to dump `d`

    Other Parameters
    ----------------
    ``*args, **kwargs``
        Will be forwarded to the :func:`ordered_yaml_dump` function
    """
    if osp.exists(fname):
        os.rename(fname, fname + '~')
    lock = fasteners.InterProcessLock(fname + '.lck')
    lock.acquire()
    try:
        with open(fname, 'w') as f:
            ordered_yaml_dump(d, f, *args, **kwargs)
    except:
        raise
    finally:
        lock.release()