RFR 8243491: Implementation of Foreign-Memory Access API (Second Incubator)

[Peter Levart]

On 5/1/20 4:36 PM, Maurizio Cimadamore wrote:
>
> Now there's dup(). I think implementing dup() on a root scope is not 
> too hard - for the child you probably need some trick, but probably 
> not too bad - in the sense that in a Child scope, the cleanup action 
> is really the increment of the root exit scope. So you could have a:
>
> close(boolean doCleanup)
>
> like we do now, and avoid the cleanup on dup (which in the case of the 
> Child will avoid the adder increment). I *believe* this should be 
> functionally equivalent to what we have now.
>

I optimized the dup() on both root and child scopes as much as possible 
in last version of MemoryScope. I also added some comments about usage 
of methods. I'll make a PR for this version incorporated in the panama 
shortly:

http://cr.openjdk.java.net/~plevart/jdk-dev/8243491_MemoryScope/v3/MemoryScope.java


Regards, Peter