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List:       openjdk-serviceability-dev
Subject:    Integrated: 8308819: add JDWP and JDI virtual thread support for ThreadReference.ForceEarlyReturn
From:       Chris Plummer <cjplummer () openjdk ! org>
Date:       2023-05-31 20:53:20
Message-ID: -zx7w9wUATS3FvGJ99c9kGuRkyuMKHQ6FGXrq6FvC4E=.4d9c1d62-f81e-4fe6-820e-55cca3744b84 () github ! com
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On Fri, 26 May 2023 03:21:12 GMT, Chris Plummer <cjplummer@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 <cjplummer@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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