[vtk-developers] Crashes after recent checkins

[Jean-Christophe Fillion-Robin]

This could be useful, it allow to easily implement safe static
initialization and is a generalization of what has been done in VTK. See
https://github.com/commontk/CTK/blob/master/Libs/Core/ctkSingleton.h

The idea would be to add a "vtkSingleton.h" class to VTK  ...

Hth
Jc


On Mon, Aug 26, 2013 at 1:36 PM, Bill Lorensen <bill.lorensen at gmail.com>wrote:

> C++ makes my head spin (and hurt!).
>
> Thanks Brad
>
> Not for the hurting head, but for the solution...
>
>
> On Mon, Aug 26, 2013 at 1:29 PM, Brad King <brad.king at kitware.com> wrote:
>
>> On 08/26/2013 12:05 PM, Berk Geveci wrote:
>> > Can you try this?
>>
>> From the patch:
>>
>> +  if (!vtkTimeStamp::GlobalTimeStamp)
>> +    {
>> +#if VTK_SIZEOF_VOID_P == 8
>> +    vtkTimeStamp::GlobalTimeStamp = new vtkAtomicInt64;
>>
>> This runtime initialization is not thread-safe, which IIUC
>> is the entire point of using an atomic integer.  We can
>> achieve proper static initialization and finalization using
>> the same Schwarz Counter idiom:
>>
>>  http://en.wikibooks.org/wiki/More_C++_Idioms/Nifty_Counter
>>
>> that we already use in several places.  It provides a way
>> to order things across translation units.
>>
>> -Brad
>>
>
>
>
> --
> Unpaid intern in BillsBasement at noware dot com
>
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