import multiprocessing
import time

import logging
multiprocessing.util.log_to_stderr(logging.DEBUG)


def f(t):
    time.sleep(t - time.time())
    return ' ' * 1000000


if __name__ == '__main__':
    with multiprocessing.Pool(1) as p:
        t = time.time() + .1
        p.apply_async(f, (t + .03,))
        f(t)