gtp_controller.py 文件源码

def close(self):
        # Errors from closing pipes or wait4() are unlikely, but possible.

        # Ideally would give up waiting after a while and forcibly terminate the
        # subprocess.
        errors = []
        try:
            self.command_pipe.close()
        except EnvironmentError, e:
            errors.append("error closing command pipe:\n%s" % e)
        try:
            self.response_pipe.close()
        except EnvironmentError, e:
            errors.append("error closing response pipe:\n%s" % e)
            errors.append(str(e))
        try:
            # We don't really care about the exit status, but we do want to be
            # sure it isn't still running.
            # Even if there were errors closing the pipes, it's most likely that
            # the subprocesses has exited.
            pid, exit_status, rusage = os.wait4(self.subprocess.pid, 0)
            self.exit_status = exit_status
            self.resource_usage = rusage
        except EnvironmentError, e:
            errors.append(str(e))
        if errors:
            raise GtpTransportError("\n".join(errors))