Path: utzoo!utgpu!news-server.csri.toronto.edu!rpi!zaphod.mps.ohio-state.edu!sdd.hp.com!hp-pcd!hpfcso!mjs
From: mjs@hpfcso.FC.HP.COM (Marc Sabatella)
Newsgroups: comp.sys.hp
Subject: Re: HP-UX 8.0: memory mapped files?
Message-ID: <7370382@hpfcso.FC.HP.COM>
Date: 29 Apr 91 17:05:24 GMT
References: <1991Apr25.092827@ead.dsa.com>
Organization: Hewlett-Packard, Fort Collins, CO, USA
Lines: 17

>From reading various messages in this group, I have gotten
>the following impressions: 1. HP-UX 8.0 supports shared libraries;
>2. HP-UX 8.0 does NOT support memory-mapping of files.
>
>Is point 2 correct?  If so, how does HP-UX implement shared libraries?
>Certainly under SunOS, the shared libraries are brought into the
>process address space by mapping the files.

Your assessment is correct.  HP-UX shared libraries use an internal mechanism
similar in concept to memory mapped files in SunOS, but there is no supported
interface to this mechanism in 8.0

--------------
Marc Sabatella (marc@hpmonk.fc.hp.com)
Disclaimers:
	2 + 2 = 3, for suitably small values of 2
	Bill and Dave may not always agree with me