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From: zambotti@wpowz.enet.dec.com (Walter Zambotti DEC)
Newsgroups: comp.os.os9
Subject: Re: open() + sharable file = no disk
Message-ID: <1991Jun12.012958.10534@tkou02.enet.dec.com>
Date: 12 Jun 91 01:29:58 GMT
References: <1991Jun11.012640.904@tkou02.enet.dec.com> <1656@seq.uncwil.edu>
Sender: usenet@tkou02.enet.dec.com (USENET News System)
Reply-To: zambotti@wpowz.enet.dec.com (Walter Zambotti DEC)
Organization: Digital Equipment Corporation
Lines: 27

Hi Zack,

thanks for the conformation.  I get error 203 as well.

It seems that error 203 isn't liked very much the RAM disk driver which
leaves some of its internal device driver variable storage area out of
wack.  Therefore rendering the RAM disk
unuseable until the next reboot (which obviously destroys the RAM
disk).

I'll create a new floppy and see if the error duplicates itself on one
of those.

The shareable bit (single use bit) is incorrectly described in the
manual it states that it allows sharing on the file.  Wr..ooOOoo..ng!!! 
It does the opposite like you said.

I'm writing a UNIX like ln(1) {thats a link} command for my CoCo to test
to see if the file manager respects the link byte in the file header
attribute.

I need to open directories and want to make sure that no one else opens
the directory while I do.

Hense the use of the single user bit.

Walter