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From: mjs@sfsup.UUCP (M.J.Shannon)
Newsgroups: net.micro.att
Subject: Re: Bad things on 7300 serial port
Message-ID: <125@sfsup.UUCP>
Date: Wed, 12-Feb-86 09:27:15 EST
Article-I.D.: sfsup.125
Posted: Wed Feb 12 09:27:15 1986
Date-Received: Fri, 14-Feb-86 01:46:29 EST
References: <122@ganehd.UUCP>
Distribution: net
Organization: AT&T Information Systems, Summit N.J.
Lines: 17

> I have been playing with the serial port on a unixpc.  When programs running
> at the port try to open /dev/tty they sleep forever.  I wrote a small program
> to read the state word of the tty structure the process was sleeping on and
> noticed that its state was RTO + WOPEN + ISOPEN.
> 
> 	1) what does the RTO (raw timeout) bit mean?
>	2) why would it wait for a pending open on a serial port? (I haven't
>		set the RTS/CTS bits with an ioctl)
>	3) Does anybody have any fixes for this????

Which version of the UNIX System are you running?
-- 
	Marty Shannon
UUCP:	ihnp4!attunix!mjs
Phone:	+1 (201) 522 6063

Disclaimer: I speak for no one.