hg: jdk/sandbox: 8224167: Refactor PtrQueue completed buffer processing

[chris.hegarty at oracle.com]

Changeset: 76d3d96a8bc2
Author:    kbarrett
Date:      2019-05-21 19:19 -0400
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/76d3d96a8bc2

8224167: Refactor PtrQueue completed buffer processing
Summary: Add handle_completed_buffer and refactor.
Reviewed-by: tschatzl, shade

! src/hotspot/share/gc/g1/g1DirtyCardQueue.cpp
! src/hotspot/share/gc/g1/g1DirtyCardQueue.hpp
! src/hotspot/share/gc/shared/ptrQueue.cpp
! src/hotspot/share/gc/shared/ptrQueue.hpp
! src/hotspot/share/gc/shared/satbMarkQueue.cpp
! src/hotspot/share/gc/shared/satbMarkQueue.hpp
! src/hotspot/share/gc/shenandoah/shenandoahSATBMarkQueueSet.cpp
! src/hotspot/share/gc/shenandoah/shenandoahSATBMarkQueueSet.hpp