164             except OSError as exc:
166                 if exc.errno in (errno.EMFILE, errno.ENFILE,
173                         'exception': exc,
216         except Exception as exc:
221                     'exception': exc,
370         except Exception as exc:
371             fut.set_exception(exc)
404         except Exception as exc:
405             fut.set_exception(exc)
437         except Exception as exc:
438             fut.set_exception(exc)
478         except Exception as exc:
479             fut.set_exception(exc)
498         except Exception as exc:
499             fut.set_exception(exc)
528         except Exception as exc:
529             fut.set_exception(exc)
658     def _fatal_error(self, exc, message='Fatal error on transport'):  argument
660         if isinstance(exc, base_events._FATAL_ERROR_IGNORE):
666                 'exception': exc,
670         self._force_close(exc)
672     def _force_close(self, exc):  argument
682         self._loop.call_soon(self._call_connection_lost, exc)
684     def _call_connection_lost(self, exc):  argument
687                 self._protocol.connection_lost(exc)
774         except Exception as exc:
776                 exc, 'Fatal error: protocol.get_buffer() call failed.')
783         except Exception as exc:
784             self._fatal_error(exc, 'Fatal read error on socket transport')
793         except Exception as exc:
795                 exc, 'Fatal error: protocol.buffer_updated() call failed.')
804         except Exception as exc:
805             self._fatal_error(exc, 'Fatal read error on socket transport')
814         except Exception as exc:
816                 exc, 'Fatal error: protocol.data_received() call failed.')
824         except Exception as exc:
826                 exc, 'Fatal error: protocol.eof_received() call failed.')
860             except Exception as exc:
861                 self._fatal_error(exc, 'Fatal write error on socket transport')
883         except Exception as exc:
886             self._fatal_error(exc, 'Fatal write error on socket transport')
888                 self._empty_waiter.set_exception(exc)
912     def _call_connection_lost(self, exc):  argument
913         super()._call_connection_lost(exc)
957         except OSError as exc:
958             self._protocol.error_received(exc)
959         except Exception as exc:
960             self._fatal_error(exc, 'Fatal read error on datagram transport')
991             except OSError as exc:
992                 self._protocol.error_received(exc)
994             except Exception as exc:
996                     exc, 'Fatal write error on datagram transport')
1014             except OSError as exc:
1015                 self._protocol.error_received(exc)
1017             except Exception as exc:
1019                     exc, 'Fatal write error on datagram transport')