hg: jdk10/hs: 8188919: Generalize GC thread suspend/resume at safepoints

[erik.osterlund at oracle.com]

Changeset: 52d46d7e3454
Author:    eosterlund
Date:      2017-10-17 08:51 +0200
URL:       http://hg.openjdk.java.net/jdk10/hs/rev/52d46d7e3454

8188919: Generalize GC thread suspend/resume at safepoints
Reviewed-by: pliden, rkennke

! src/hotspot/share/gc/cms/cmsHeap.cpp
! src/hotspot/share/gc/cms/cmsHeap.hpp
! src/hotspot/share/gc/g1/g1CollectedHeap.cpp
! src/hotspot/share/gc/g1/g1CollectedHeap.hpp
! src/hotspot/share/gc/shared/collectedHeap.hpp
! src/hotspot/share/runtime/safepoint.cpp