Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!sdd.hp.com!hplabs!hpda!hpcuhc!hpausla!hparc0!graham
From: graham@hparc0.HP.COM (Graham Eddy)
Newsgroups: comp.sys.hp
Subject: Re: stty on hp9000s300
Message-ID: <1510004@hparc0.HP.COM>
Date: 27 Sep 90 15:36:30 GMT
References: <1990Sep11.155337.17413@cunixf.cc.columbia.edu>
Organization: Land of Oz: drunken koalas and wombats
Lines: 15

> > Could some please tell me why stty [some mode] < /dev/tty?? doesn't
> > work under hp-ux 7.0.

works exactly as expected

> This is just a guess, but here goes.  When no process has a serial line
> open, its stty values are undefined.  When the first process opens a
> serial line, the values are set to defaults (300 baud, cs8, etc..).  Any

i think it is more accurate to state that when the "first" open(2) occurs
on a serial port, the "stty values" are set to a driver-dependent value,
typically picked up from the interface board.  no -default- settings on
board? well, expect 300 baud, ...

-graham "representing noone's view but his own"