Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!uunet!safn2!rey
From: rey@safn2.UUCP (rey)
Newsgroups: comp.databases
Subject: Re: Unify - Lockmanager
Summary: Which IPCs are needed?
Message-ID: <707@safn2.UUCP>
Date: 4 Nov 90 22:59:12 GMT
References: <1990Nov3.113849@turtle.Berkeley.EDU> <35571@cup.portal.com>
Organization: Southern Aluminum Finishing, Atlanta, GA
Lines: 15

In article <35571@cup.portal.com>, truett@cup.portal.com (Truett Lee Smith) writes:
> kathy@turtle.Berkeley.edu asks about a message received on a Sun3 when trying
> to start up Unify.  It says something about being unable to initialize the
> lock manager.  This usually occurs when trying to run Unify on a machine whose
> kernel does not have the appropriate IPC (interprocess communication) code
> included.  The kernel needs to be rebuilt with the IPC code included.  Unify
> uses IPC to communicate with its lock manager which keeps its data in a shared
> memory segment.

Are both semaphores and shared memory necessary, or only shared memory?
My docs are not consistant on this. I have only shared memory enabled, am
I loosing some capability?
-- 
Reynolds McClatchey (Southern Aluminum Finishing Co, Atlanta, GA, USA)
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