RFR: 8254029: ObjectMonitor cleanup/minor bug-fix changes extracted from JDK-8253064

Erik Österlund eosterlund at openjdk.java.net
Mon Oct 19 11:25:11 UTC 2020


On Tue, 13 Oct 2020 20:31:16 GMT, Daniel D. Daugherty <dcubed at openjdk.org> wrote:

> 8254029: ObjectMonitor cleanup/minor bug-fix changes extracted from JDK-8253064

Looks great in general. I only have one question regarding when deflation would not be called by a Java thread (which
is now checked for).

src/hotspot/share/runtime/synchronizer.cpp line 2366:

> 2364:   GVars.stw_random = os::random();
> 2365:
> 2366:   if (self->is_Java_thread()) {

When would this not be run by a Java thread?

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PR: https://git.openjdk.java.net/jdk/pull/641


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