[foreign-memaccess+abi] RFR: Improve NIO channel support for buffer views over segments [v3]

[Maurizio Cimadamore]

On Thu, 22 Apr 2021 11:39:46 GMT, Chris Hegarty <chegar at openjdk.org> wrote:

>> Initial prototype changes to use resource scope handles when performing I/O operations with synchronous and asynchronous channels.
>
> Chris Hegarty has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Resolve outstanding TODO in MemoryScope spec

I'm not an expert of deep NIO socket code, but the proposed changes look sensible to me. Thus patch vastly expand usability of buffers obtained from memory segments, and it does so in a very minimalistic (but general) way.

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Marked as reviewed by mcimadamore (Committer).

PR: https://git.openjdk.java.net/panama-foreign/pull/512