def signal_to_exception(signum, frame):
    """
    Called by the timeout alarm during the collector run time
    """
    if signum == signal.SIGALRM:
        raise SIGALRMException()
    if signum == signal.SIGHUP:
        raise SIGHUPException()
    if signum == signal.SIGUSR1:
        raise SIGUSR1Exception()
    if signum == signal.SIGUSR2:
        raise SIGUSR2Exception()
    raise SignalException(signum)

    Called by the timeout alarm during the collector run time
    
src/diamond/utils/signals.py