# Windows-specific SSCCE: if KeyboardInterrupt occurs during Thread.join(), Thread.is_alive() will never return False.

import os
import signal
import threading
import time


def raise_ctrl_c():
    print('raising ctrl c')
    time.sleep(0.05)
    os.kill(0, signal.CTRL_C_EVENT)
    print('finishing')


t = threading.Thread(target=raise_ctrl_c)
t.start()
while True:
    try:
        if t.is_alive():
            print('waiting...')
            t.join(0.1)
        else:
            break
    except KeyboardInterrupt:
        print('KeyboardInterrupt caught and ignored')
        pass


print('done!')