On Fri, 26 May 2023 03:21:12 GMT, Chris Plummer <cjplum...@openjdk.org> wrote:

> Improve ThreadReference.ForceEarlyReturn to support virtual threads as long 
> as they are suspended and mounted.
> 
> [JDK-8308400](https://bugs.openjdk.org/browse/JDK-8308400) improved JVMTI 
> ForceEarlyReturn support for virtual threads. The spec now says it is 
> supported if the thread is suspended at an event (not a specific event as 
> previously spec'd), and additional support may also be provided. The 
> implementation now just requires that the virtual thread be mounted, so this 
> covers being suspended at an event, but also other situations in which the 
> virtual thread is mounted.
> 
> JDWP and JDI need to line up with JVMTI. Only spec changes will be needed.
> 
> A new test was added mostly to cover the unmounted virtual thread case that 
> results in OpaqueFrameException.
> 
> forceEarlyReturn002 test had previously been updated for virtual threads to 
> expect OpaqueFrameException. These changes have all been undone since the 
> test now runs the same when using virtual threads as with platform threads.

This pull request has now been integrated.

Changeset: 5531f6ba
Author:    Chris Plummer <cjplum...@openjdk.org>
URL:       
https://git.openjdk.org/jdk/commit/5531f6ba1b75f922f08501eda4b2a7a849ee49f5
Stats:     351 lines in 9 files changed: 302 ins; 29 del; 20 mod

8308819: add JDWP and JDI virtual thread support for 
ThreadReference.ForceEarlyReturn

Reviewed-by: sspitsyn, alanb

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

PR: https://git.openjdk.org/jdk/pull/14167

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