On Fri, 20 Feb 2026 09:26:52 GMT, Alan Bateman <[email protected]> wrote:

> Thread.join was historically implemented with a loop of Object.wait 
> conditioned on isAlive. We couldn't for this virtual threads because it would 
> pin a virtual thread invoking join to it carrier.  Now that Object.wait 
> preempts, it means the special implementation of join for virtual threads can 
> be removed. Where possible, the notifyAll is elided as it adds to the cost of 
> termination.
> 
> The implNote of the join methods is restored (this is implNote text, not 
> spec, so no CSR required).

Nice work, Alan

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Marked as reviewed by vklang (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/29839#pullrequestreview-3853630914

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