*BSD News Article 5112


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Newsgroups: comp.unix.bsd
Path: sserve!manuel!munnari.oz.au!spool.mu.edu!sdd.hp.com!wupost!darwin.sura.net!mojo.eng.umd.edu!pandora.pix.com!stripes
From: stripes@pix.com (Josh Osborne)
Subject: Re: Shared Libs for X11?, was Re: 386bsd -- The New Newsgroup
Message-ID: <Buo74w.Jp2@pix.com>
Sender: news@pix.com (The News Subsystem)
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Organization: Pix Technologies -- The company with no adult supervision
References: <veit.716291291@du9ds3>> <1992Sep14.232949.9093@bby.com.au> <2aFn02vQ22Jx01@JUTS.ccc.amdahl.com>
Date: Wed, 16 Sep 1992 12:10:07 GMT
Lines: 17

In article <2aFn02vQ22Jx01@JUTS.ccc.amdahl.com> gab10@cd.amdahl.com (Gary A Browning) writes:
[...]
>Does this make the text of the executable non-sharable between multiple 
>processes?  Or is the O/S smart enough to recognize that, though modified, each
>process would be running the same modifications and therefore the text is
>sharable?

Runtime linked code will not allways be the same for each copy of the
same executable.  Not if we support a library path like Sun does (which
is a good idea), or if a new lib is installed after starting one copy of
xterm but before another is started.
-- 
           stripes@pix.com              "Security for Unix is like
      Josh_Osborne@Real_World,The          Multitasking for MS-DOS"
      "The dyslexic porgramer"                  - Kevin Lockwood
We all agree on the necessity of compromise.  We just can't agree on
when it's necessary to compromise.       - Larry Wall