import random
import signal
from threading import Thread
from time import sleep


class MyException(Exception):
    pass


def sighandler(signum, frame):
    raise MyException("got signal")


def thread_function():
    pass


i = 0


try:
    sleep(random.random() / 20)
    signal.signal(signal.SIGTERM, sighandler)
    while True:
        i += 1
        thread = Thread(target=thread_function)
        thread.start()
        thread.join()
except MyException as e:
    print(i)
    print('\nok')
    raise