tip "tandem" does not work (4.2bsd)

Stephen Crawley scc at jenny.UUCP
Fri Sep 20 00:15:24 AEST 1985


In <8509160749.AA01327 at utah-gr.ARPA> Spencer Thomas writes :-
>======
> You misunderstand TANDEM mode.  TANDEM has NOTHING to do with what the
> host does on receipt of ^S/^Q.  If TANDEM is set, the host will GENERATE
> ^S when its internal tty queue gets too full, and will GENERATE ^Q when
> the queue empties somewhat.  This is completely independent of ^S/^Q
> flow control received from the host.  You are correct that the host will
> not respond to ^S/^Q in RAW mode, but TANDEM works perfectly well in
> RAW.
>======

You are of course right, my explanation was incorrect.  However, the bug
fix is still (I believe) correct, and necessary if you are tipping over a
line which uses X-ON/X-OFF flow control.

-- Steve



More information about the Comp.bugs.4bsd.ucb-fixes mailing list