draft proposal for ref counting in D

deadalnix deadalnix at gmail.com
Mon Oct 14 10:59:50 PDT 2013


On Monday, 14 October 2013 at 17:50:01 UTC, John Colvin wrote:
> I'm totally out of my depth here but can't you store the 
> reference count adjacent to the pointer and use CMPXCHG16B

I think that can work if the refcount is stored with the pointer 
(ie. if a fat pointer is used) and not in the object. But that 
would defeat the whole point of the refcount :(

It seems that Rainer Schuetze is right and that the 
implementation that boost::shared_ptr uses is not safe.


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