python3 exit program in threading loop join
import random
import signal
import threading
import time
exit_event = threading.Event()
def bg_thread():
for i in range(1, 30):
print(f'{i} of 30 iterations...')
time.sleep(random.random()) # do some work...
if exit_event.is_set():
break
print(f'{i} iterations completed before exiting.')
def signal_handler(signum, frame):
exit_event.set()
signal.signal(signal.SIGINT, signal_handler)
th = threading.Thread(target=bg_thread)
th.start()
th.join()