[jdk19] RFR: 8289709: fatal error: stuck in JvmtiVTMSTransitionDisabler::disable_VTMS_transitions [v2]

[Serguei Spitsyn]

On Sat, 9 Jul 2022 17:21:08 GMT, Alan Bateman <alanb at openjdk.org> wrote:

>> Serguei Spitsyn has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   adjusted max number of threads instead of adding explicit timeout
>
> test/hotspot/jtreg/serviceability/jvmti/events/FramePop/framepop02/libframepop02.cpp line 219:
> 
>> 217: 
>> 218:   if (!isTestThread(jni, jvmti, thr)) {
>> 219:     return; // not a tested thread
> 
> If I read the test correctly, NotifyFramePop will only be called with the test thread so therefore the FramePop callback should only be called by the test thread, is that correct? I'm asking because I'm wondering why FramePop also checks the thread is the test thread.

As I understand, it is kind of a double-check in this test.
I agree, we can simplify this code little bit.

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PR: https://git.openjdk.org/jdk19/pull/129