RFR: 8282191: Implementation of Foreign Function & Memory API (Preview) [v27]

[Alan Bateman]

On Tue, 12 Apr 2022 10:24:47 GMT, Maurizio Cimadamore <mcimadamore at openjdk.org> wrote:

>> This PR contains the API and implementation changes for JEP-424 [1]. A more detailed description of such changes, to avoid repetitions during the review process, is included as a separate comment.
>> 
>> [1] - https://openjdk.java.net/jeps/424
>
> Maurizio Cimadamore has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Add @ForceInline annotation on session accessor
>   Beef up UnrolledAccess benchmark

src/java.base/share/classes/java/nio/channels/FileChannel.java line 1052:

> 1050:     public MemorySegment map(MapMode mode, long offset, long size,
> 1051:                                       MemorySession session)
> 1052:             throws IOException, UnsupportedOperationException

Just a minor here is that UOE is a runtime exception so probably shouldn't be in the throws.

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PR: https://git.openjdk.java.net/jdk/pull/7888