--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/src/share/vm/gc/g1/g1FullGCScope.hpp	Mon Aug 21 10:45:02 2017 +0200
@@ -0,0 +1,72 @@
+/*
+ * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+#ifndef SHARE_VM_GC_G1_G1FULLGCSCOPE_HPP
+#define SHARE_VM_GC_G1_G1FULLGCSCOPE_HPP
+
+#include "gc/g1/g1CollectedHeap.hpp"
+#include "gc/g1/g1HeapTransition.hpp"
+#include "gc/shared/collectorCounters.hpp"
+#include "gc/shared/gcId.hpp"
+#include "gc/shared/gcTrace.hpp"
+#include "gc/shared/gcTraceTime.hpp"
+#include "gc/shared/gcTimer.hpp"
+#include "gc/shared/isGCActiveMark.hpp"
+#include "gc/shared/vmGCOperations.hpp"
+#include "memory/allocation.hpp"
+#include "services/memoryService.hpp"
+
+// Class used to group scoped objects used in the Full GC together.
+class G1FullGCScope : public StackObj {
+  ResourceMark            _rm;
+  bool                    _explicit_gc;
+  G1CollectedHeap*        _g1h;
+  GCIdMark                _gc_id;
+  SvcGCMarker             _svc_marker;
+  STWGCTimer              _timer;
+  SerialOldTracer         _tracer;
+  IsGCActiveMark          _active;
+  GCTraceCPUTime          _cpu_time;
+  ClearedAllSoftRefs      _soft_refs;
+  TraceCollectorStats     _collector_stats;
+  TraceMemoryManagerStats _memory_stats;
+  G1HeapTransition        _heap_transition;
+
+  // Singleton instance.
+  static G1FullGCScope* _instance;
+public:
+  static G1FullGCScope* instance();
+
+  G1FullGCScope(bool explicit_gc, bool clear_soft);
+  ~G1FullGCScope();
+
+  bool is_explicit_gc();
+  bool should_clear_soft_refs();
+
+  STWGCTimer* timer();
+  SerialOldTracer* tracer();
+  G1HeapTransition* heap_transition();
+};
+
+#endif //SHARE_VM_GC_G1_G1FULLGCSCOPE_HPP