In article <20030417205048.A072DB004@cvs.netbsd.org>,
Jaromir Dolecek <jdolecek@netbsd.org> wrote:
>
>Module Name:	src
>Committed By:	jdolecek
>Date:		Thu Apr 17 20:50:47 UTC 2003
>
>Modified Files:
>	src/sys/miscfs/procfs: procfs_subr.c procfs_vnops.c
>
>Log Message:
>do not show nodes corresponding to directory descriptors for process
>in fd/ subdirectory, nor allow lookup/open for the nodes
>this fixes PR kern/21187 for good, and also avoids interesting directory
>locking issues

Well, it is a lot better to cons up a symlink to the directory then.
Same for the other descriptors, we can make symlinks that describe what
they are and point to nowhere.

christos