[jdk17] Integrated: 8269246: Scoped ByteBuffer vector access

[Paul Sandoz]

On Wed, 23 Jun 2021 19:10:41 GMT, Paul Sandoz <psandoz at openjdk.org> wrote:

> The Foreign Memory API supports viewing a `MemorySegment` as a `ByteBuffer`, an instance of which can then be passed to the vector load/store access methods.
> 
> Such `ByteBuffer` access requires accesses are scoped (a method annotated with `ScopedMemoryAccess.Scoped`) and the `ByteBuffer`'s scope (instance of `ScopedMemoryAccess.Scope`) checked for validity. Thereby ensuring exceptional failure if the underlying segment is shared and is closed. 
> 
> All Vector tests pass on linux-x64, linux-aarch64, macosx-x64, and windows-x64.

This pull request has now been integrated.

Changeset: 63bcd333
Author:    Paul Sandoz <psandoz at openjdk.org>
URL:       https://git.openjdk.java.net/jdk17/commit/63bcd3336ecf77a8d256b243c13165397fc8e5bb
Stats:     455 lines in 42 files changed: 186 ins; 95 del; 174 mod

8269246: Scoped ByteBuffer vector access

Reviewed-by: mcimadamore

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PR: https://git.openjdk.java.net/jdk17/pull/129