service.py 文件源码

def __init__(self, conf, wait_interval=0.01):
        """Constructor.

        :param conf: an instance of ConfigOpts
        :param wait_interval: The interval to sleep for between checks
                              of child process exit.
        """
        self.conf = conf
        # conf.register_opts(_options.service_opts)
        self.children = {}
        self.sigcaught = None
        self.running = True
        self.wait_interval = wait_interval
        self.launcher = None
        rfd, self.writepipe = os.pipe()
        self.readpipe = eventlet.greenio.GreenPipe(rfd, 'r')
        self.signal_handler = SignalHandler()
        self.handle_signal()