def signal_handler(signum, frame):
    print(('Got a signal [%d], cleaning up...' % signum))
    Transient.delete('SENTINEL_RUNNING')
    sys.exit(1)
def signal_handler(signum, frame):
    print(('Got a signal [%d], cleaning up...' % signum))
    Transient.delete('SENTINEL_RUNNING')
    sys.exit(1)