RFR: 8374372: Move OSX Serviceability Agent to macosx namespace

[David Holmes]

On Sat, 27 Dec 2025 11:25:25 GMT, Harald Eilertsen <haraldei at openjdk.org> wrote:

> The Mac OSX implementation of the Serviceability Agent and related code is quite different from what's needed from the BSD implementation. Still we have tried to keep the coexisting in one codebase in the out-of-tree BSD port, as that's where the OSX code has been living.
> 
> This sometimes cause problems when updates to the Mac OSX port breaks the BSD implementation.
> 
> As we are working on getting the BSD port into a state for future upstreaming to the mainline repo, this patch clears the path by moving the Mac OSX implementation of the Servicability Agent to a more fitting namespace.
> 
> This should allow us to proceed with the BSD implementation undisturbed, but also without risking breaking the OSX port.
> 
> This work was sponsored by The FreeBSD Foundation

> The BSD code was broken in commit https://github.com/openjdk/jdk/commit/d3083ac05453c9dd303038f90ddab50d52124e51

Okay that is very recent - and very unfortunate. But as we don't know if/when the out-of-tree BSD port will come back into mainline, I would not want to see the existing BSD support effectively gone in JDK 27+. To that end we may need to look at specifically fixing what broke in that commit. Though the BSD specific changes there look innocuous to me.

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PR Comment: https://git.openjdk.org/jdk/pull/29003#issuecomment-3716402666