RFR: 8356049: Need a simple way to play back a sound clip [v10]

[Phil Race]

On Tue, 27 May 2025 22:25:13 GMT, Sergey Bylokhov <serb at openjdk.org> wrote:

> > Do you mean show that calling loop() doesn't prevent exit ? I can just add a call to loop() at the end of the test. If it doesn't terminate the test will fail with a timeout.
> 
> jtreg terminates all threads and the test vm after the main method completes, so I believe the updated test would pass even before this change (when a non-daemon thread was used).

That's difficult to do in this test. In fact it is a problem to do in any jtreg test. It needs another process.
So I've added a new test that monitors a child VM that jtreg will not terminate in this way.

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PR Comment: https://git.openjdk.org/jdk/pull/24991#issuecomment-2917474894