multiprocessing.py 文件源码

def __init__(self, func, pool_size=4, timeout=None):
        # The signal handler for the consumer exists only in the parent
        # process. If we don't give children their own noop signal handler,
        # any signal propagated to them by the parent will cause them to throw
        # an exception and terminate.
        super(ProcessPoolWorker, self).__init__(func, pool_size=pool_size,
                                                timeout=timeout)
        self.pool = pool.Pool(processes=pool_size,
                              initializer=init_process_pool)
        self.logger = get_logger(__name__)