On Thu, 11 May 2023 17:59:55 GMT, Chris Plummer <cjplum...@openjdk.org> wrote:
>> Note this PR depends on the #13546 PR for the following: >> >> [JDK-8306434](https://bugs.openjdk.org/browse/JDK-8306434): add support of >> virtual threads to JVMTI StopThread >> >> So it can't be finalized and push until after JDK-8306434 is pushed. There >> will also be GHA failures until then. If JDK-8306434 results in any >> additional spec changes, they will likely impact this CR also. >> >> >> [JDK-8306034](https://bugs.openjdk.org/browse/JDK-8306034) is adding some >> virtual thread support to JVMTI StopThread. This will allow JDWP >> ThreadReference.Stop and JDI ThreadReference.stop() to have the same level >> support for virtual threads. >> >> 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 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. > > Chris Plummer has updated the pull request with a new target base due to a > merge or a rebase. The incremental webrev excludes the unrelated changes > brought in by the merge/rebase. The pull request contains 11 additional > commits since the last revision: > > - Merge branch 'master' into 8306471_vthread_stop > merge with master > - clarify test #1 in the debuggee. > - fix minor comment typo > - fix minor comment typo > - Some test logging improvements. > - Don't rely in Thread.sleep() to sychronize between debugger and debuggee. > - Fix test when suspended in a loop. Cleanup sme comments. > - fix some jcheck whitespace errors > - minor formatting fixes > - minor JDWP spec wording change > - ... and 1 more: https://git.openjdk.org/jdk/compare/e7c8f451...195abe20 This PR has been updated after the JVMTI push of the JVMTI StopThread pr. Testing is in progress. ------------- PR Comment: https://git.openjdk.org/jdk/pull/13548#issuecomment-1544472847
