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- Newsgroups: comp.unix.programmer
- Path: sparky!uunet!haven.umd.edu!darwin.sura.net!wupost!eclnews!achilles!pete
- From: pete@achilles.arl (Peter Flugstad,,,)
- Subject: Re: Process & Signal Question
- Message-ID: <1992Aug18.230152.14200@wuecl.wustl.edu>
- Sender: usenet@wuecl.wustl.edu (Usenet Administrator)
- Nntp-Posting-Host: achilles
- Reply-To: pete@achilles.arl
- Organization: Washington University, School of Engineering, St. Louis MO
- References: <1992Aug18.205521.4078@ringer.cs.utsa.edu>
- Date: Tue, 18 Aug 1992 23:01:52 GMT
- Lines: 24
-
- In article 4078@ringer.cs.utsa.edu, rrybacki@ringer.cs.utsa.edu (Richard M. Rybacki) writes:
- >>In article <1992Aug18.145412.6352@wuecl.wustl.edu> pete@achilles.arl writes:
- >>I don't know about Sys V, but Sun OS 4.1.1 lets you do this. On several occasions I have
- >>installed a new executable for a running program and it's almost always resulted in
- >>Bus Errors... Nothing worse than that though...
- >
- >If you are talking about a file which is being shared via NFS, this could
- >happen, because NFS does not completely implement the UNIX file deletion
- >semantics. In the local filesystem case, this should not present a problem.
- >I believe Sun tried to mitigate this by renaming the deleted file on the
- >server side, but this does not help the case where two NFS clients are
- >sharing a single executalbe from a common server.
- >--
- > Richard M. Rybacki
- > rrybacki@ringer.cs.utsa.edu
- > (512) 731-0000
- > "Will consult for food"
-
- Yes, that is how our system is set up. And when we install/make a new executable on one client while
- the program is running on another (or the same machine for that matter I think) it causes bus errors.
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