svn commit: r238141 - head/lib/libc/gen

[Brooks Davis]

On Thu, Jul 05, 2012 at 05:02:20PM +0000, Brooks Davis wrote:
> Author: brooks
> Date: Thu Jul  5 17:02:20 2012
> New Revision: 238141
> URL: http://svn.freebsd.org/changeset/base/238141
> 
> Log:
>   Document the behavior (from 4.4-lite) that tokens returned by telldir() are
>   single use.

The ideal thing to do here is probably to import NetBSD's
reimplementation that uses a per-directory cache rather than a global
one, but documenting reality seemed like the easiest route to MFC.

-- Brooks
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