From owner-freebsd-arch  Fri Jan 17 17:16:32 2003
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Date: Fri, 17 Jan 2003 20:16:27 -0500 (EST)
From: Garrett Wollman <wollman@lcs.mit.edu>
Message-Id: <200301180116.h0I1GRHr082717@khavrinen.lcs.mit.edu>
To: dillon@apollo.backplane.com
Subject: Re: Virtual memory question
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In-Reply-To: <200301140339.h0E3dVQa073160@apollo.backplane.com>
References: <20030114002831.1C8C12A89E@canning.wemm.org>
	<3E2381F8.85BB90A0@imimic.com>
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In article <200301140339.h0E3dVQa073160@apollo.backplane.com> you write:
>    (2) I don't see how/where one specifies the size of the memory object
>	in shm_open().  Does this mean we have to implement ftruncate()?

Yes.  The Stevens book (UNP volume 2 IIRC) describes the POSIX IPC
interfaces quite well.

- -GAWollman

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