Method close

pywebio/session/threadbased.py:214–222

关闭当前Session。由Backend调用

(self, nonblock=False)

        self.task_mqs = {}

    def close(self, nonblock=False):
        """关闭当前Session。由Backend调用"""
        # todo self._closed 会有竞争条件
        if self.closed():
            return

        super().close()

        self._cleanup(nonblock=nonblock)

    def _activate_callback_env(self):
        """激活回调功能