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Date:      Thu, 10 Oct 1996 14:05:39 +0930 (CST)
From:      Michael Smith <msmith@atrad.adelaide.edu.au>
To:        dyson@FreeBSD.org
Cc:        msmith@atrad.adelaide.edu.au, current@FreeBSD.org
Subject:   Re: 'dead' binary stays 'dead'?
Message-ID:  <199610100435.OAA17545@genesis.atrad.adelaide.edu.au>
In-Reply-To: <199610100354.WAA11855@dyson.iquest.net> from "John S. Dyson" at Oct 9, 96 10:54:13 pm

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John S. Dyson stands accused of saying:
> > 
> > ... but if these pages are the text and data, they're read-only, correct?
> > ie. the only modification possible is via hardware error?
> > 
> Or software bug :-).  (Memory stomp could cause it, or an incorrect
> mapping update in the VM code.)

Argh.  Not what I wanted to know 8(

> We all need to keep an eye on the problem...  This is the first time that
> I have heard of it -- but doesn't mean that it isn't there :-)...

Would it be possible to have the memory reclaimed immediately if the program
is killed by an unhandled signal?  Generally speaking one wouldn't expect
that would be a situation one would optimise for, and it would perhaps
improve robustness in cases such as this...

> John

-- 
]] Mike Smith, Software Engineer        msmith@atrad.adelaide.edu.au    [[
]] Genesis Software                     genesis@atrad.adelaide.edu.au   [[
]] High-speed data acquisition and      (GSM mobile) 0411-222-496       [[
]] realtime instrument control          (ph/fax)  +61-8-267-3039        [[
]] Collector of old Unix hardware.      "Where are your PEZ?" The Tick  [[



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