RFR: 8325858: Replace Unsafe usage in XEmbeddingContainer with FFM API [v3]

[Phil Race]

On Wed, 21 Feb 2024 01:55:57 GMT, Sergey Bylokhov <serb at openjdk.org> wrote:

> > Embedded frames are for applets (dead) and JAWT and SWT. I don't see how any of those could use this.
> 
> yeah, I meant jawt, not eawt. SWT used some of the code directly from the native code, so they bypassed private access and modules. Might not be relevant anymore.

Ok, so sorry @minborg I think this is mostly pointless.
The changes in XAtom might be useful in migrating some of the other X code but for XEmbeddingContainer, the right answer seems to be to delete it. Not sure if you feel like that is your problem to tackle.
But probably the XAtom changes should be deferred to something that provably uses it in real apps which would reduce this PR to "delete obsolete code".

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PR Comment: https://git.openjdk.org/jdk/pull/17846#issuecomment-1955738195