Bidirectional tty port for 386ix

Alex Martelli alex at am.sublink.org
Tue Nov 13 07:17:46 AEST 1990


tin at smsc.sony.com (Tin Le) writes:
>In article <12.26746 at infoserv.com> fiasco at infoserv.com (Rich Gircys) writes:
>> .............
>>o however, as soon as a getty is started on that line, a dial-out attempt
>>  (Uutry) will fail because the getty changes the /dev/tty permissions; Uutry
>>  fails errno=13 (permissions problem)

>  You need to use /usr/lib/uucp/uugetty.  That version of getty will leave
>  the port under uucp ownership (and work better too with cu/uucico).

Under Interactive 2.2's tty driver, there's an alternative - put a
normal getty on ttyd0, and use acu0 for dial-out - the *driver* will
handle the necessary handshaking.  The freely available FAS driver,
I believe, implements a similar philosophy on many Unices.
-- 
Alex Martelli - (home snailmail:) v. Barontini 27, 40138 Bologna, ITALIA
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