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Re: symbolic links & `..' entry

From: Thomas Bushnell BSG
Subject: Re: symbolic links & `..' entry
Date: Fri, 09 Feb 2007 22:47:48 -0800

On Sat, 2007-02-10 at 11:55 +0600, Ivan Shmakov wrote:
>       Furthermore, some applications use symbolic links in rather
>       unusual ways.  E. g., Emacs uses symbolic links for file locks
>       -- to store the identity of the user currently editing the file.
>       This, however, is easy (in idea, not in implementation) to
>       resolve: in Hurd, one might want to implement some new interface
>       rather than working with the old one such an unclear way.

Of course, the only reason Emacs does this is that symlink(2) is one of
the few atomic test-and-set operations available to it which will
reliably work across a wide variety of systems.


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