On Fri, 25 Apr 2025 06:10:46 GMT, Chris Plummer <cjplum...@openjdk.org> wrote:

> As part of the work for 
> [JDK-8353955](https://bugs.openjdk.org/browse/JDK-8353955) I am reducing the 
> number of tests that need to be run with includevirtualhreads=y due to using 
> JDI to lookup threads in the debuggee. There are many tests that lookup the 
> "main" thread. They can instead glean the "main" thread from the 
> ClassPrepareEvent for the debuggee main class. Some tests already wait for 
> this ClassPrepareEvent, and can take advantage of it. Most do not, but can be 
> made to do so. The easiest way to do this for many of the tests is to wait 
> for the event in Debuggee.prepareDebuggee() after having called 
> Debuggee.bindToDebuggee(). For tests that don't call 
> Debuggee.prepareDebuggee(), waiting for the ClassPrepareEvent was added after 
> the bind. This doesn't seem to have any ill affect on the tests.
> 
> Tested by running all nsk/jdi tests, including all tier2, tier3, and tier5 
> nsk/jdi testing.

This pull request has now been integrated.

Changeset: e2ae50d8
Author:    Chris Plummer <cjplum...@openjdk.org>
URL:       
https://git.openjdk.org/jdk/commit/e2ae50d877b13b121912e2496af4b5209b315a05
Stats:     165 lines in 38 files changed: 75 ins; 15 del; 75 mod

8355569: Some nsk/jdi tests can glean the "main" thread by using the 
ClassPrepareEvent for the debuggee main class

Reviewed-by: sspitsyn, amenkov

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

PR: https://git.openjdk.org/jdk/pull/24867

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