Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!sun-barr!rutgers!mephisto!prism!gt0178a
From: gt0178a@prism.gatech.EDU (BURNS,JIM)
Newsgroups: comp.unix.internals
Subject: Re: shmat() & shmdt() questions.
Message-ID: <13782@hydra.gatech.EDU>
Date: 18 Sep 90 09:00:41 GMT
References: <452@cfa.HARVARD.EDU>
Organization: Georgia Institute of Technology
Lines: 23

in article <452@cfa.HARVARD.EDU>, wyatt@cfa.HARVARD.EDU (Bill Wyatt,OIR) says:

> IPC_PRIVATE is useful, but is not needed for this example (see my second

Granted, he could have just as easily used the more general call:

   myshmid = shmget (some-made-up-not-in-use-int-id, 4096, IPC_CREAT|600);

but that paragraph answered his question about inheritance.

> point below about fork). In the example given, the idea is to keep the
> memory shared *only* between the parent and child, but it doesn't have

I assume you are talking about MY example, not his.

> anything to do with making the same ID access the same shared segment.

Since the id is inherited, it IS the same id.
-- 
BURNS,JIM
Georgia Institute of Technology, Box 30178, Atlanta Georgia, 30332
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