yocto-sumo源码解析（七）: BitBakeServer

        self.configuration = configuration
        self.featureset = featureset
        self.sockname = sockname
        self.bitbake_lock = lock
        self.readypipe, self.readypipein = os.pipe()

        # Create server control socket
        if os.path.exists(sockname):
            os.unlink(sockname)

        self.sock = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
        # AF_UNIX has path length issues so chdir here to workaround
        cwd = os.getcwd()
        logfile = os.path.join(cwd, "bitbake-cookerdaemon.log")

        try:
            os.chdir(os.path.dirname(sockname))
            self.sock.bind(os.path.basename(sockname))
        finally:
            os.chdir(cwd)
        self.sock.listen(1)
        self.configuratio