hg: jdk/sandbox: 8220293: Deadlock in JFR string pool

[chris.hegarty at oracle.com]

Changeset: ec7d6d8effc7
Author:    mgronlun
Date:      2019-05-21 20:53 +0200
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/ec7d6d8effc7

8220293: Deadlock in JFR string pool
Reviewed-by: rehn, egahlin

! src/hotspot/share/jfr/recorder/checkpoint/jfrCheckpointManager.cpp
! src/hotspot/share/jfr/recorder/storage/jfrBuffer.cpp
! src/hotspot/share/jfr/recorder/storage/jfrBuffer.hpp
! src/hotspot/share/jfr/recorder/storage/jfrMemorySpace.inline.hpp
! src/hotspot/share/jfr/recorder/storage/jfrStorage.cpp
! src/hotspot/share/jfr/recorder/storage/jfrStorageUtils.hpp
! src/hotspot/share/jfr/recorder/storage/jfrStorageUtils.inline.hpp
! src/hotspot/share/jfr/recorder/stringpool/jfrStringPool.cpp
! src/hotspot/share/jfr/recorder/stringpool/jfrStringPoolBuffer.cpp