[TEST/REVIEW/HEADSUP] tty drivers mega-patch
John Baldwin
jhb at FreeBSD.org
Wed Jul 14 17:49:24 PDT 2004
On Wednesday 14 July 2004 06:46 pm, Cyrille Lefevre wrote:
> cua* are supposed to be the line to talk to a modem w/ modem control
> (CD, etc.) while tty* are not supposed to talk to a modem and doesn't
> have modem control.
That's backwards. tty* will hang on open() until CD, while cua* will not. I
use cu with /dev/cua* a lot to do manual modem commands to dial into boxes.
However, /dev/tt* is used in /etc/ttys on the boxes I dial into to run a
getty on the receiving modem.
--
John Baldwin <jhb at FreeBSD.org> <>< http://www.FreeBSD.org/~jhb/
"Power Users Use the Power to Serve" = http://www.FreeBSD.org
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