Python thread example

gistfile1.py

#!/usr/bin/env python

# This script creates a daemon thread named 'watchdog_timer' that runs the watchdog_timer() function.
# The main thread sleeps in an infinite loop until you press control-C.
# Since the watchdog_timer thread is a daemon, exiting the main thread will exit the entire process.

import threading
import time

def watchdog_timer():
    while True:
        print('online')
        time.sleep(5)

if __name__=='__main__':
    t1 = threading.Thread(target=watchdog_timer,name='watchdog_timer')
    t1.daemon = True
    t1.start()
    while True:
        time.sleep(1)