hg: shenandoah/jdk9/hotspot: Safepoint-suspendible worker threads

[roman at kennke.org]

Changeset: 5e4029519337
Author:    rkennke
Date:      2017-06-01 15:51 +0200
URL:       http://hg.openjdk.java.net/shenandoah/jdk9/hotspot/rev/5e4029519337

Safepoint-suspendible worker threads

! src/share/vm/gc/shenandoah/shenandoahConcurrentMark.cpp
! src/share/vm/gc/shenandoah/shenandoahHeap.cpp
! src/share/vm/gc/shenandoah/shenandoahHeap.hpp
! src/share/vm/gc/shenandoah/shenandoahHeap.inline.hpp
! src/share/vm/gc/shenandoah/shenandoah_globals.hpp
! src/share/vm/runtime/safepoint.cpp