On Wed, 6 Nov 2024 09:24:03 GMT, Alan Bateman <al...@openjdk.org> wrote:
> So at some point I think we need to figure out how to make them go away ... Yes, the 2 extension events (`VirtualThreadMount` and `VirtualThreadUnmount`) were added for testing purposes. We wanted to get rid of them at some point but the Graal team was using them for some purposes. > It's posted before. We post the mount event at the end of thaw only if we are > able to acquire the monitor... The two extension events were designed to be posted when the current thread identity is virtual, so this behavior needs to be considered as a bug. My understanding is that it is not easy to fix. We most likely, we have no tests to fail because of this though. > That's the path a virtual thread will take if pinned. Got it, thanks. I realize it is because we do not thaw and freeze the VM frames. It is not easy to comprehend. ------------- PR Review Comment: https://git.openjdk.org/jdk/pull/21565#discussion_r1831293112
