'Extend the base implementation in order to remember whether signal
handlers should be installed later.
@type installSignalHandlers: C{bool}
@param installSignalHandlers: A flag which, if set, indicates that
handlers for a number of (implementation-defined) signals should be
installed during startup.'

def startRunning(self, installSignalHandlers=True):

    self._installSignalHandlers = installSignalHandlers
    ReactorBase.startRunning(self)
