On Tue, 15 Feb 2022 20:17:09 GMT, Chris Plummer <cjplum...@openjdk.org> wrote:
>> I am not sure classTrack_activate() has the problem, but it is called >> outside of initialization, inside debug loop ... so I assume that event >> callback might happen. > > I agree. This code is called when the debug agent receives a CLASS_UNLOAD > EventRequest (which the debug agent handles by requesting JVMTI GC_FINISH > events). So there is nothing that prevents `classTrack_processUnloads()` from > being called at the same time. In that case the `classTrack_processUnloads` is racing with the `classTrack_activate` call. I would not expect it to be possible to generate an event in relation to this before things have been "activated". But moving on ... ------------- PR: https://git.openjdk.java.net/jdk/pull/7461