Subject: Re: serial line ideas
To: der Mouse <mouse@Holo.Rodents.Montreal.QC.CA>
From: Charles M. Hannum <email@example.com>
Date: 11/09/1996 11:16:36
der Mouse <mouse@Holo.Rodents.Montreal.QC.CA> writes:
> Or, if you don't trust the kernel and would rather see userland locks,
> you use the generic device and ignore the other two.
You should pick one or the other and stick with it. Using both is
> The second idea is to have only ptys be tty devices in the current
> sense (stty settings and all), with the hardware device drivers being
> optimized for high throughput to user-land and no tty goop.
> Interactive logins are then handled with a user-land daemon that
> interfaces between a hardware line device and a pty master half.
I don't see any reason to do this. With a multibyte line discipline
input function and fast handling of EXTPROC, the performance
considerations more or less go away.
(More about this when the !@##@%@#$ com driver gets committed.)