Maxim Kuvyrkov wrote:
> Andreas Schwab wrote:
>> Maxim Kuvyrkov <maxim@codesourcery.com> writes:
>>
>>> The bug is rather elegant and has been present in sources for years.
>>
>> For more than 9 years, to be precise, when 32 bit uids were introduced.
...
>> Given that there is no way to keep backward compatibility it might be a
>> good opportunity to do same cleanup here.  Like going back to the
>> generic layout.
> 
> There is yet another bug in siginfo.  si_sigval is expected to be at the 
> same offsets in _timer and _rt.  At the moment si_sigval is at offset 8 
> in _timer and at offset 6 in _rt (the patch for fixing uids makes that 
> 8@_timer and 10@_rt).
> 
> This bug causes rt/tst-*timer* tests fail.
> 
> Moving on to the generic version of siginfo.h will certainly fix the 
> problem, otherwise, one needs to pad extra 2 bytes in _timer.

While the discussion is pending, here is an updated version of the patch 
that also patches up sigval.

Thanks,

--
Maxim K.
CodeSourcery