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Date: Wed, 18 Jun 2003 20:25:47 +0400
From: Dmitry Sivachenko <mitya@cavia.pp.ru>
To: Gary Jennejohn <garyj@jennejohn.org>
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cc: hackers@freebsd.org
Subject: Re: struct ipc_perm
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On Wed, Jun 18, 2003 at 06:08:37PM +0200, Gary Jennejohn wrote:
> 
> Dmitry Sivachenko writes:
> > Hello!
> > 
> > Is there any reason why struct ipc_perm is not protected by #ifdef _KERNEL
> > in ipc.h?  Is it supposed to be used from userland?
> > 
> 
> It's needed by ipcs.
> 

Ah, I see.  It is visible via struct msqid_ds.

I developed a patch which requires addition of custom field to ipc_perm.
I am trying to imagine which problems can it cause to userland programs.

Any ideas?

Thanks!