[WIP] TDB traverse lock changes for massive AD DC perf improvement

[Jeremy Allison]

On Fri, Mar 31, 2017 at 01:23:32PM -0700, Jeremy Allison via samba-technical wrote:
> On Sat, Apr 01, 2017 at 09:05:48AM +1300, Andrew Bartlett via samba-technical wrote:
> > 
> > I've now done that.  This feels closer to the correct solution, but
> > throws solaris10 under the bus for now.  See the attached patch.
> 
> Solaris10 is already under the bus wheels. They incorrectly
> prevent an existing open UNIX domain socket from being accessed
> from a non-root process (i.e. their permission check is being
> done on time of use, not time of open). This breaks asynchronous
> messaging in Samba.
> 
> I've logged this as a bug with Oracle, but I don't expect
> this will ever get fixed.
> 
> It does mean that we should probably stop caring about
> Solaris long term and put it in the same bucket as HPUX/IRIX/
> AIX/True64 and the like. Sad, but practical.

In case anyone is interested, here's the bug report:

https://bugzilla.samba.org/show_bug.cgi?id=12429

(complete with nifty test program).