RFR: 8286637: (fc) Memory mapped regions bigger than 2GB do not work correctly on Windows

[Brian Burkhalter]

On Thu, 12 May 2022 20:49:35 GMT, Jorn Vernee <jvernee at openjdk.org> wrote:

>> Cast the last parameter `dwNumberOfBytesToMap` of `MapViewOfFile()` to a `SIZE_T`, not a `DWORD`, to avoid truncation.
>
> test/jdk/java/nio/channels/FileChannel/LargeMapTest.java line 25:
> 
>> 23: 
>> 24: import jdk.incubator.foreign.MemorySegment;
>> 25: import jdk.incubator.foreign.ResourceScope;
> 
> Note that the JEP has just been integrated as well, so this package no longer exists. It should be `java.lang.foreign` now. `ResourceScope` was renamed to `MemorySession`, `newSharedScope` should now be `openShared`, and the test will need `@enablePreview` as well.
> 
> (I think that's all that's needed)

Thanks: I was not current on that.

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PR: https://git.openjdk.java.net/jdk/pull/8686