from multiprocessing import Process
import os,time

class P (Process):
    def __init__(self):
        super(P, self).__init__()
    def run(self):
        print (os.getpid())
        print('hello')
        time.sleep(10)

p = P()
p.start()
p.join(timeout=1)

if p.is_alive():
    p.terminate()