RFR: 8304265: Implementation of Foreign Function and Memory API (Third Preview) [v5]

[Maurizio Cimadamore]

On Tue, 21 Mar 2023 00:35:40 GMT, Paul Sandoz <psandoz at openjdk.org> wrote:

>> Per Minborg has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Add example for Option::captureStateLayout
>
> src/java.base/share/classes/java/lang/foreign/Linker.java line 479:
> 
>> 477:      *     Otherwise, the invocation throws {@link WrongThreadException}; and</li>
>> 478:      *     <li>{@code A} is kept alive during the invocation. For instance, if {@code A} has been obtained using a
>> 479:      *     {@linkplain Arena#ofConfined() confined arena}, any attempt to {@linkplain Arena#close() close}
> 
> Is that correct? Do you mean a shared arena?

The text is correct (you can still close a confined arena from inside an upcall), but I agree that perhaps using a shared arena might be a bit more intuitive.

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PR Review Comment: https://git.openjdk.org/jdk/pull/13079#discussion_r1143118512