On Wed, 19 Apr 2023 23:40:56 GMT, Chris Plummer <cjplum...@openjdk.org> wrote:
> [JDK-8306034](https://bugs.openjdk.org/browse/JDK-8306034) (#13546) added > some virtual thread support to JVMTI StopThread. This allows JDWP > ThreadReference.Stop and JDI ThreadReference.stop() to have the same level > support for virtual threads. > > For your reference, here are the JVMTI spec changes that this pr is using as > the basis for the JDWP and JDI spec updates. > > https://github.com/openjdk/jdk/pull/13546/files#diff-cab9797fde25f344784e4473778cd35bfd9e19ba36f82c11b1a0674636958339 > > Mostly this is a spec update for JDWP and JDI, but there are also some minor > changes needed to the ThreadReference.stop() handling of JDWP errors, and > throwing the appropriate exceptions. Also some minor cleanup in jdb. The > debug agent doesn't need changes since JVMTI errors are just passed through > as the corresponding JDWP errors, and the code for this is already in place. > These errors are not new nor need any special handling. > > Our existing testing for ThreadReference.stop() is fairly weak: > > - nsk/jdb/kill/kill001, which tests stop() when the thread is suspended at a > breakpoint. It will get problem listed by > [JDK-8306034](https://bugs.openjdk.org/browse/JDK-8306034). I have fixes for > it already working and will push it separately. > - nsk/jdi/stop/stop001, which is problem listed and only tests when the > thread is blocked in Object.wait() > - nsk/jdi/stop/stop002, which only tests that throwing an invalid exception > fails properly > > I decided to take stop002 and make it a more thorough test of > ThreadReference.stop(). See the comment at the top of the test for a list of > what is tested. As for reviewing this test, it's probably best to look at it > as a completely new test rather than looking at diffs since so much has been > changed and added. This pull request has now been integrated. Changeset: d809823f Author: Chris Plummer <cjplum...@openjdk.org> URL: https://git.openjdk.org/jdk/commit/d809823fe486dfa0fe0bf1c3deff31e81bbc5f28 Stats: 368 lines in 7 files changed: 287 ins; 9 del; 72 mod 8306471: Add virtual threads support to JDWP ThreadReference.Stop and JDI ThreadReference.stop() Reviewed-by: sspitsyn, alanb ------------- PR: https://git.openjdk.org/jdk/pull/13548