CommandWrapperBad.py 文件源码

def stop(self):
        self._log.debug("%s.stop()", self.naming_service_name)
        if self.query_commandAlive() == True:
            for sig, timeout in self.STOP_SIGNALS:
                try:
                    os.kill(self._pid, sig)
                except OSError:
                    self._pid = None
                    return
                if timeout != None:
                    giveup_time = time.time() + timeout
                    while os.waitpid(self._pid, os.WNOHANG) == (0,0):
                        time.sleep(0.1)
                        if time.time() > giveup_time:
                            break
                else:
                    # Wait until there is a response
                    os.waitpid(self._pid, 0)
            self._pid = None