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From: John Baldwin <jhb@freebsd.org>
To: Mateusz Guzik <mjg@freebsd.org>
Subject: Re: svn commit: r270444 - in head/sys: kern sys
Date: Mon, 25 Aug 2014 10:23:19 -0400
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On Sunday, August 24, 2014 09:04:09 AM Mateusz Guzik wrote:
> Author: mjg
> Date: Sun Aug 24 09:04:09 2014
> New Revision: 270444
> URL: http://svnweb.freebsd.org/changeset/base/270444
> 
> Log:
>   Fix getppid for traced processes.
> 
>   Traced processes always have the tracer set as the parent.
>   Utilize proc_realparent to obtain the right process when needed.

Are you sure this won't break things?  I know of several applications that 
expect a debugger to be the parent when attached and change behavior as a 
result (e.g. inserting a breakpoint on an assertion failure rather than 
generating a core).

-- 
John Baldwin