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Re: History file locking?

X-seq: zsh-workers 906
From: Zefram <A.Main@xxxxxxxxxxxxxxxxx>
To: hzoli@xxxxxxxxxx (Zoltan Hidvegi)
Subject: Re: History file locking?
Date: Wed, 10 Apr 1996 13:50:13 +0100 (BST)
Cc: A.Main@xxxxxxxxxxxxxxxxx, zsh-workers@xxxxxxxxxxxxxxx
In-reply-to: <199604101241.OAA16421@xxxxxxxxxxxxx> from "Zoltan Hidvegi" at Apr 10, 96 02:41:39 pm

>Also things get quite complicated when the history file is on an NFS volume.
>Probaly some dot-locking method similar to the one used by sendmail & co
>should be used.

I wouldn't bother -- it's only a history file.  lockf() (and fcntl())
locking work over NFS anyway; it's only flock() that doesn't.  O_EXCL
isn't reliable over NFS, which makes .lock locking rather pointless.

-zefram

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References:
- Re: History file locking?
  - From: Zoltan Hidvegi

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