full-disclosure - Re: readdir_r considered harmful

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Message-ID: <a36005b50511060734l6ced511u47b6e860134bc60b@mail.gmail.com>
Date: Sun Nov  6 15:35:02 2005
From: drepper at gmail.com (Ulrich Drepper)
Subject: Re: readdir_r considered harmful

On 11/6/05, Casper.Dik@....com <Casper.Dik@....com> wrote:
> I don't see how that is relevant; the typical use of readdir() is as follows:
>
>         DIR *dirp = opendir(name);
>
>         while ((dent = readdir(dirp)) != NULL) {
>                 ...
>         }
>
>         closedir(dirp);
>
> Nothing other threads do with readdir() on different dirp's will influence
> what "dent" points to.

The issue is multiple threads using the same DIR.