親が死んだら自殺する子.py

suicide.py

import multiprocessing
import os
import time

def is_alive(pid):
    try:
        os.kill(pid, 0)
    except OSError:
        return False
    else:
        return True

def worker(parent_pid):
    waiting = True
    while waiting:
        if is_alive(parent_pid):
            pass
        else:
            waiting = False

if __name__ == '__main__':
    p = multiprocessing.Process(target=worker, args=(os.getpid(),))
    p.daemon = True
    p.start()
    time.sleep(10)
    exit()