threadedserver.py 文件源码

def _installSignalHandlers(self):
        supportedSignals = [signal.SIGINT, signal.SIGTERM]
        if hasattr(signal, 'SIGHUP'):
            supportedSignals.append(signal.SIGHUP)

        self._oldSIGs = [(x,signal.getsignal(x)) for x in supportedSignals]

        for sig in supportedSignals:
            if hasattr(signal, 'SIGHUP') and sig == signal.SIGHUP:
                signal.signal(sig, self._hupHandler)
            else:
                signal.signal(sig, self._intHandler)