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Re: recursive commands

From: Niels Möller
Subject: Re: recursive commands
Date: 02 Apr 2002 18:58:20 +0200
User-agent: Gnus/5.09 (Gnus v5.9.0) Emacs/21.1

Oystein Viggen <> writes:

> * [Craig Allan Jeffree] 
> >>  old = open(".");
> >>  chdir("foo);
> >>  delete stuff
> >>  fchdir(old);
> >>  delete more stuff
> >>
> > Isn't this potentially racey as well?

You're right that one has to take more care when chdir:ing to "foo"
too. I was thinking about the chdir in the other direction. Here,

  int old = open(".", ...);
  chdir("foo"); /* Safe as long as we don't do anything in foo */

should be equivalent to simply


The same name in the same directory will be deleted, no matter if the
current directory or the foo subdirectory is moved around under our


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