Method _is_connreset

tornado/iostream.py:1044–1052

Return ``True`` if exc is ECONNRESET or equivalent. May be overridden in subclasses.

(self, exc: BaseException)

            self.io_loop.update_handler(self.fileno(), self._state)

    def _is_connreset(self, exc: BaseException) -> bool:
        """Return ``True`` if exc is ECONNRESET or equivalent.

        May be overridden in subclasses.
        """
        return (
            isinstance(exc, (socket.error, IOError))
            and errno_from_exception(exc) in _ERRNO_CONNRESET
        )


class IOStream(BaseIOStream):