Method _fatal_error

Lib/asyncio/selector_events.py:882–894

(self, exc, message='Fatal error on transport')

                self._server._detach(self)

    def _fatal_error(self, exc, message='Fatal error on transport'):
        # Should be called from exception handler only.
        if isinstance(exc, OSError):
            if self._loop.get_debug():
                logger.debug("%r: %s", self, message, exc_info=True)
        else:
            self._loop.call_exception_handler({
                'message': message,
                'exception': exc,
                'transport': self,
                'protocol': self._protocol,
            })
        self._force_close(exc)

    def _force_close(self, exc):
        if self._conn_lost: