def get_dispatcher(self):
    raise NotImplementedError()
http://stackoverflow.com/questions/1230669/subprocess-deleting-child-processes-in-windows
dataset/ETHPy150Open AppScale/appscale/AppServer/google/appengine/api/request_info.py/RequestInfo.get_dispatcher--crossover with--dataset/ETHPy150Open galaxyproject/pulsar/pulsar/managers/util/kill.py/_psutil_kill_pid