def stop(self, timeout=5):
        # Must shut down threads here so the code that calls
        # this method can know when all threads are stopped.
        for worker in self._threads:
            self._queue.put(_SHUTDOWNREQUEST)
        
        # Don't join currentThread (when stop is called inside a request).
        current = threading.currentThread()
        while self._threads:
            worker = self._threads.pop()
            if worker is not current and worker.isAlive():
                try:
                    if timeout is None or timeout < 0:
                        worker.join()
                    else:
                        worker.join(timeout)
                        if worker.isAlive():
                            # We exhausted the timeout.
                            # Forcibly shut down the socket.
                            c = worker.conn
                            if c and not c.rfile.closed:
                                if SSL and isinstance(c.socket, SSL.ConnectionType):
                                    # pyOpenSSL.socket.shutdown takes no args
                                    c.socket.shutdown()
                                else:
                                    c.socket.shutdown(socket.SHUT_RD)
                            worker.join()
                except (__HOLE__,
                        # Ignore repeated Ctrl-C.
                        # See http://www.cherrypy.org/ticket/691.
                        KeyboardInterrupt), exc1:
                    pass
dataset/ETHPy150Open cloudera/hue/desktop/core/src/desktop/lib/wsgiserver.py/ThreadPool.stop