On Thu, 10 Jun 2021 00:49:38 GMT, Serguei Spitsyn <[email protected]> wrote:
>> The test is intermittently failing because the tested thread thrstat002a is
>> blocked on a monitor in the PrintStream.println(String) when it is expected
>> to be in the RUNNABLE state:
>> thrstat002.runningBarrier.unlock(); <= now the thrstat002 state can be
>> checked and suspend issued
>> System.out.println("thrstat002a.run after runningBarrier unlock"); <=
>> blocked on the monitor in here
>>
>> The fix is to move println line to the point before
>> thrstat002.runningBarrier.unlock();
>> Also, a fflush(0) statement is added to the agent *_checkStatus() function
>> to get output better sync'ed.
>
> Serguei Spitsyn 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 three additional
> commits since the last revision:
>
> - Merge
> - add a warning comment to thrstat002a.run to prevent println's before the
> while loop
> - 8268285: fix failure in test vmTestbase/nsk/jvmti/GetThreadState/thrstat002
Thanks, David. Yes, I looked at these two lines and decided it is harmless to
keep both.
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PR: https://git.openjdk.java.net/jdk/pull/4447
