RFR: 8331031: unify os::dont_yield and os::naked_yield across Posix platforms

[Coleen Phillimore]

On Wed, 24 Apr 2024 13:53:36 GMT, Matthias Baesken <mbaesken at openjdk.org> wrote:

> The os::dont_yield and os::naked_yield can be unified across Posix platforms.

Looks good.

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

Marked as reviewed by coleenp (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/18933#pullrequestreview-2020517917