On Thu, Aug 30, 2012 at 2:18 PM, Niels Sascha Reedijk <niels.reedijk@xxxxxxxxx> wrote: > > Is this 64 bit safe? > Yes, that was the entire point of the patch. Previously it was using pointers as cookies directly, which obviously breaks when the pointers are 64 bits in size. Now the cookie is a generated 32-bit unique identifier that has nothing to do with the object pointer. Regards, Rene