[crac] RFR: 8358063: [CRaC] Excessive PosixAttachListener-related availability and references

[duke]

On Thu, 29 May 2025 11:02:23 GMT, Timofei Pushkin <tpushkin at openjdk.org> wrote:

> Makes `PosixAttachListener` and `PosixAttachOperation` declared, defined and referenced only when they are implemented. This makes the sources closer to the mainline where these classes are defined in `.cpp` files under `#if INCLUDE_SERVICES #ifndef AIX` guards.
> 
> Sadly, I don't have access to AIX to test the buildability there.

@TimPushkin 
Your change (at version b462d87ec095543b5ee67f73b07e22657b7cfb63) is now ready to be sponsored by a Committer.

-------------

PR Comment: https://git.openjdk.org/crac/pull/234#issuecomment-2919084671