--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/hotspot/share/gc/g1/g1FullCollector.hpp Tue Nov 14 11:33:23 2017 +0100
@@ -0,0 +1,98 @@
+/*
+ * 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_GC_G1_G1FULLCOLLECTOR_HPP
+#define SHARE_GC_G1_G1FULLCOLLECTOR_HPP
+
+#include "gc/g1/g1FullGCCompactionPoint.hpp"
+#include "gc/g1/g1FullGCMarker.hpp"
+#include "gc/g1/g1FullGCOopClosures.hpp"
+#include "gc/shared/preservedMarks.hpp"
+#include "gc/shared/referenceProcessor.hpp"
+#include "gc/shared/taskqueue.hpp"
+#include "memory/allocation.hpp"
+
+class AbstractGangTask;
+class G1CMBitMap;
+class G1FullGCMarker;
+class G1FullGCScope;
+class G1FullGCCompactionPoint;
+class ReferenceProcessor;
+
+// The G1FullCollector holds data associated with the current Full GC.
+class G1FullCollector : StackObj {
+ G1FullGCScope* _scope;
+ uint _num_workers;
+ G1FullGCMarker** _markers;
+ G1FullGCCompactionPoint** _compaction_points;
+ G1CMBitMap* _mark_bitmap;
+ OopQueueSet _oop_queue_set;
+ ObjArrayTaskQueueSet _array_queue_set;
+ PreservedMarksSet _preserved_marks_set;
+ ReferenceProcessor* _reference_processor;
+ G1FullGCCompactionPoint _serial_compaction_point;
+
+ G1IsAliveClosure _is_alive;
+ ReferenceProcessorIsAliveMutator _is_alive_mutator;
+
+public:
+ G1FullCollector(G1FullGCScope* scope,
+ ReferenceProcessor* reference_processor,
+ G1CMBitMap* mark_bitmap,
+ uint workers);
+ ~G1FullCollector();
+
+ void prepare_collection();
+ void collect();
+ void complete_collection();
+
+ G1FullGCScope* scope() { return _scope; }
+ uint workers() { return _num_workers; }
+ G1FullGCMarker* marker(uint id) { return _markers[id]; }
+ G1FullGCCompactionPoint* compaction_point(uint id) { return _compaction_points[id]; }
+ G1CMBitMap* mark_bitmap() { return _mark_bitmap; }
+ OopQueueSet* oop_queue_set() { return &_oop_queue_set; }
+ ObjArrayTaskQueueSet* array_queue_set() { return &_array_queue_set; }
+ PreservedMarksSet* preserved_mark_set() { return &_preserved_marks_set; }
+ ReferenceProcessor* reference_processor() { return _reference_processor; }
+ G1FullGCCompactionPoint* serial_compaction_point() { return &_serial_compaction_point; }
+
+private:
+ void phase1_mark_live_objects();
+ void phase2_prepare_compaction();
+ void phase3_adjust_pointers();
+ void phase4_do_compaction();
+
+ void restore_marks();
+ void verify_after_marking();
+
+ void run_task(AbstractGangTask* task);
+
+ // Prepare compaction extension support.
+ void prepare_compaction_ext();
+ void prepare_compaction_common();
+};
+
+
+#endif // SHARE_GC_G1_G1FULLCOLLECTOR_HPP