8242477: (bf) MappedByteBuffer should clarify copying between overlapping mappings

[Brian Burkhalter]

> On May 15, 2020, at 1:46 PM, Brian Burkhalter <brian.burkhalter at oracle.com> wrote:
> 
> If the fix for [1] proposed in [2] is accepted, then I think the prospective specification changes under discussion in this thread are no longer relevant or for that matter correct. The change for JDK-8245121 would standardize the expected result of a bulk copy performed with buffers having overlapping backing storage. The behavior would be the same irrespective of the type of buffer. Instead probably the specification of the bulk put buffer methods XBuffer::put(XBuffer src) should change to describe and make normative the behavior expected when the backing storage intersects.
> 
> Thanks,
> 
> Brian
> 
> [1] https://bugs.openjdk.java.net/browse/JDK-8245121 <https://bugs.openjdk.java.net/browse/JDK-8245121>
> [2] http://mail.openjdk.java.net/pipermail/nio-dev/2020-May/007265.html <http://mail.openjdk.java.net/pipermail/nio-dev/2020-May/007265.html>
This issue [1] and its CSR [2] have been closed as the issue has been made irrelevant by the fix for [3]. They were respectively resolved as Not an Issue and Withdrawn.

Brian


[1] https://bugs.openjdk.java.net/browse/JDK-8242477
[2] https://bugs.openjdk.java.net/browse/JDK-8242500
[3] https://bugs.openjdk.java.net/browse/JDK-8246282
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