[foreign-memaccess] RFR: JDK-8242253: Clarify bulk of addresses backed by same storage

[Brian Burkhalter]

> On Apr 7, 2020, at 9:50 AM, Paul Sandoz <paul.sandoz at oracle.com> wrote:
> 
> This originated from discussions with ByteBuffer bulk copy and Florian (CC’ed) pointed this out, many thanks!.

I plan to revisit this soon.


> I’ll let Brian deal with the buffer cases.

OK.

>> On Apr 7, 2020, at 2:42 AM, Maurizio Cimadamore <mcimadamore at openjdk.java.net> wrote:
>> 
>> On Tue, 7 Apr 2020 01:25:52 GMT, Paul Sandoz <psandoz at openjdk.org> wrote:
>> 
>>> Here is a small tweak to the specification of `MemoryAddress.copy` when source and target address ranges do not
>>> overlap, but there are overlapping regions of the same backing storage.
>> 
>> Well spotted - I suspect MappedByteBuffer have a similar issue?

Almost certainly but I’ve not actually tested it.

Brian