New candidate JEP: 434: Foreign Function & Memory API (Second Preview)

[Maurizio Cimadamore]

Hey Duncan,
Note that we do have jextract binaries available:

https://jdk.java.net/jextract/

This works against a vanilla JDK 19.

When the first JDK 20 EA build with the new FFM API will come out, the 
above page will be updated, and a link to jextract 20 will be added.

The Panama binary download page you indicated is effectively obsolete, 
and it should probably be removed, to avoid confusion.

Maurizio

On 28/10/2022 17:37, Duncan Gittins wrote:
> Continuing the theme of Gavin's request, I think you might get more 
> people to try out jextract and Panama if there were easy to find 
> download links in https://jdk.java.net/panama/ 
> <https://urldefense.com/v3/__https://jdk.java.net/panama/__;!!ACWV5N9M2RV99hQ!NwW3xcoQINXDkZUYrgkilaKazXBg7Lbny12740ULMd93Kt9K294BZxGybUuFG_wLac9iDuQ8pzIdwG8Os7Vqo-fi_I3YxzoF$> 
> for versions aligned the shipped JDK 17/18/19.
>
> This means a developer could try samples for the JDK version they 
> already have installed without needing to build either JDK or jextract 
> themselves. Hopefully it only needs posting every 6 months.
>
> Kind regards
>
> Duncan
>
>
>
> On Fri, 28 Oct 2022 at 00:56, Gavin Ray <ray.gavin97 at gmail.com> wrote:
>
>     Hooray!
>
>     By any chance, will there be a new release of the Panama 20ea JDK
>     and jextract binaries as well?
>     I've had quite some difficulties getting jextract on 20 built and
>     it'd be swell to rebase some of the work I've done on the more
>     recent API changes.
>
>     On Thu, Oct 27, 2022 at 2:30 PM Mark Reinhold
>     <mark.reinhold at oracle.com> wrote:
>
>         https://openjdk.org/jeps/434
>
>           Summary: Introduce an API by which Java programs can
>         interoperate with
>           code and data outside of the Java runtime. By efficiently
>         invoking
>           foreign functions (i.e., code outside the JVM), and by
>         safely accessing
>           foreign memory (i.e., memory not managed by the JVM), the
>         API enables
>           Java programs to call native libraries and process native
>         data without
>           the brittleness and danger of JNI. This is a preview API.
>
>         - Mark
>
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