Path: utzoo!utgpu!news-server.csri.toronto.edu!rutgers!cs.utexas.edu!uunet!virtech!cpcahil
From: cpcahil@virtech.uucp (Conor P. Cahill)
Newsgroups: comp.unix.questions
Subject: Re: question on forking & shared memory
Message-ID: <1990Nov24.163413.12118@virtech.uucp>
Date: 24 Nov 90 16:34:13 GMT
References: <308@srchtec.UUCP>
Reply-To: cpcahil@virtech.UUCP (Conor P. Cahill)
Organization: Virtual Technologies Inc., Sterling VA
Lines: 14

In article <308@srchtec.UUCP> chuck@srchtec.uucp (Chuck Howard) writes:
>
>I'm trying to use multiple processes on a DECstation.  I've been able to 
>fork multiple processes, now I need to have the processes access the same
>memory.  If anyone has used shared memory after forking processes,

The key to this is to create and attach to the shared memory segment
before you fork.  That way all of the processes have the same
shared memory segment attached at the same location without any extra
work for you to do.
-- 
Conor P. Cahill            (703)430-9247        Virtual Technologies, Inc.,
uunet!virtech!cpcahil                           46030 Manekin Plaza, Suite 160
                                                Sterling, VA 22170