def _pointgroup_parallel_init(initobmol, terminating, PROCNAME):
    """Allow easy data sharing between processes without pickling.

    Args:
        initobmol: (OBMol) contains the conformers whose pointgroups are to
            be determined
        terminating: (return value of multiprocessing.Event()) specifies 
            whether or not a parallel computation has been terminated
            prematurely or not
        PROCNAME: (string) name of the process
    """
    global data_ss
    data_ss = initobmol, terminating, PROCNAME
