RFR(xs): 8229778: TestJstatdDefaults.java failed due to "fatal error: LEAF method calling lock?"

[Daniel D. Daugherty]

On 9/23/19 8:14 AM, Robbin Ehn wrote:
> Hi all, please review.
>
> Threads_lock is an always safepoint checked lock.
> We can end up in block_if_vm_exited in all sorts of states.
> But only after final safepoint started, so we just set state in vm 
> before locking it.
>
> Issue:
> https://bugs.openjdk.java.net/browse/JDK-8229778
>
> Change-set:
> http://cr.openjdk.java.net/~rehn/8229778/webrev/

src/hotspot/share/runtime/thread.cpp
     No comment (modulo the typos already pointed out).

Thumbs up!

Dan

>
> Passes t1-2, x64 svc_tools and TestJstatdDefaults.
>
> Thanks, Robbin