RFR: 8296024: Usage of DIrectBuffer::address should be guarded [v2]

[Alan Bateman]

On Mon, 21 Nov 2022 12:16:01 GMT, Maurizio Cimadamore <mcimadamore at openjdk.org> wrote:

>> Eventually, I hope most of them will be named `_`.
>
> maybe just `bufferLock` and and just `acquireBuffer` ?

Would it be possible to re-examine acquireSession returning Runnable and 
acquireSessionAsAutoCloseable returning AutoCloseable. The naming is awkward at most of the use sites and maybe we can do better.

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PR: https://git.openjdk.org/jdk/pull/11260