hg: jdk/sandbox: 8234796: Refactor Handshake::execute to take a more complex type than ThreadClosure

[chris.hegarty at oracle.com]

Changeset: 99b71c5b02ff
Author:    rehn
Date:      2019-12-03 15:32 +0100
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/99b71c5b02ff

8234796: Refactor Handshake::execute to take a more complex type than ThreadClosure
Reviewed-by: dholmes, pliden, coleenp

! src/hotspot/share/gc/g1/g1ConcurrentMark.cpp
! src/hotspot/share/gc/g1/g1ConcurrentMark.hpp
! src/hotspot/share/gc/g1/g1ConcurrentRefine.cpp
! src/hotspot/share/gc/g1/g1DirtyCardQueue.cpp
! src/hotspot/share/gc/g1/g1RemSetSummary.cpp
! src/hotspot/share/gc/parallel/parallelScavengeHeap.cpp
! src/hotspot/share/gc/parallel/psScavenge.cpp
! src/hotspot/share/gc/shared/genCollectedHeap.cpp
! src/hotspot/share/gc/shared/stringdedup/stringDedup.cpp
! src/hotspot/share/gc/shared/stringdedup/stringDedup.hpp
! src/hotspot/share/gc/shared/workgroup.cpp
! src/hotspot/share/gc/shared/workgroup.hpp
! src/hotspot/share/gc/shenandoah/shenandoahUnload.cpp
! src/hotspot/share/gc/z/zCollectedHeap.cpp
! src/hotspot/share/gc/z/zHeap.cpp
! src/hotspot/share/gc/z/zHeap.hpp
! src/hotspot/share/gc/z/zMark.cpp
! src/hotspot/share/gc/z/zRootsIterator.cpp
! src/hotspot/share/gc/z/zRuntimeWorkers.hpp
! src/hotspot/share/gc/z/zWorkers.hpp
! src/hotspot/share/jfr/recorder/checkpoint/jfrCheckpointManager.cpp
! src/hotspot/share/jfr/recorder/checkpoint/types/jfrType.cpp
! src/hotspot/share/jfr/writers/jfrJavaEventWriter.cpp
! src/hotspot/share/memory/iterator.hpp
! src/hotspot/share/prims/jvmtiEnvBase.cpp
! src/hotspot/share/prims/whitebox.cpp
! src/hotspot/share/runtime/biasedLocking.cpp
! src/hotspot/share/runtime/deoptimization.cpp
! src/hotspot/share/runtime/handshake.cpp
! src/hotspot/share/runtime/handshake.hpp
! src/hotspot/share/runtime/sweeper.cpp
! src/hotspot/share/runtime/thread.cpp
! src/hotspot/share/runtime/thread.hpp
! src/hotspot/share/runtime/threadSMR.inline.hpp
! src/hotspot/share/runtime/vmThread.cpp
! src/hotspot/share/utilities/globalCounter.cpp