CFT(2): patch for process shared pthread objects

[David Xu]

> I have updated patch again:
> http://people.freebsd.org/~davidxu/pshared/patch6.diff
> 
> This time, process shared priority-inherit mutex is supported.
> Now my machine is running with various threaded applications and
> a gnome desktop, I have not found any problem.
> 
> I wish the patch can be committed before 9.0 release. :-)
> 
> Regards,
> David Xu
>
Note that you should update source tree before applying this patch.