hg: jdk/jdk: 8173658: JvmtiExport::post_class_unload() is broken for non-JavaThread initiators

[coleen.phillimore at oracle.com]

Changeset: 4774b50671ed
Author:    coleenp
Date:      2019-12-02 09:02 -0500
URL:       https://hg.openjdk.java.net/jdk/jdk/rev/4774b50671ed

8173658: JvmtiExport::post_class_unload() is broken for non-JavaThread initiators
Summary: call extension ClassUnload event as a deferred event from the ServiceThread and remove unsafe arguments
Reviewed-by: sspitsyn, dholmes

! src/hotspot/share/prims/jvmtiExport.cpp
! src/hotspot/share/prims/jvmtiExport.hpp
! src/hotspot/share/prims/jvmtiExtensions.cpp
! src/hotspot/share/prims/jvmtiImpl.cpp
! src/hotspot/share/prims/jvmtiImpl.hpp
! src/hotspot/share/runtime/thread.cpp
! src/hotspot/share/runtime/thread.inline.hpp
! test/hotspot/jtreg/ProblemList.txt
! test/hotspot/jtreg/vmTestbase/nsk/jvmti/scenarios/extension/EX03/ex03t001/ex03t001.cpp