--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/share/vm/gc_implementation/parallelScavenge/psMarkSweep.hpp	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,85 @@
+/*
+ * Copyright 2001-2005 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ */
+
+class PSAdaptiveSizePolicy;
+class PSYoungGen;
+class PSOldGen;
+
+class PSMarkSweep : public MarkSweep {
+ private:
+  static elapsedTimer        _accumulated_time;
+  static unsigned int        _total_invocations;
+  static jlong               _time_of_last_gc;   // ms
+  static CollectorCounters*  _counters;
+
+  // Closure accessors
+  static OopClosure* mark_and_push_closure() { return &MarkSweep::mark_and_push_closure; }
+  static VoidClosure* follow_stack_closure() { return (VoidClosure*)&MarkSweep::follow_stack_closure; }
+  static OopClosure* adjust_pointer_closure() { return (OopClosure*)&MarkSweep::adjust_pointer_closure; }
+  static OopClosure* adjust_root_pointer_closure() { return (OopClosure*)&MarkSweep::adjust_root_pointer_closure; }
+  static BoolObjectClosure* is_alive_closure() { return (BoolObjectClosure*)&MarkSweep::is_alive; }
+
+ debug_only(public:)  // Used for PSParallelCompact debugging
+  // Mark live objects
+  static void mark_sweep_phase1(bool clear_all_softrefs);
+  // Calculate new addresses
+  static void mark_sweep_phase2();
+ debug_only(private:) // End used for PSParallelCompact debugging
+  // Update pointers
+  static void mark_sweep_phase3();
+  // Move objects to new positions
+  static void mark_sweep_phase4();
+
+ debug_only(public:)  // Used for PSParallelCompact debugging
+  // Temporary data structures for traversal and storing/restoring marks
+  static void allocate_stacks();
+  static void deallocate_stacks();
+  static void set_ref_processor(ReferenceProcessor* rp) {  // delete this method
+    _ref_processor = rp;
+  }
+ debug_only(private:) // End used for PSParallelCompact debugging
+
+  // If objects are left in eden after a collection, try to move the boundary
+  // and absorb them into the old gen.  Returns true if eden was emptied.
+  static bool absorb_live_data_from_eden(PSAdaptiveSizePolicy* size_policy,
+                                         PSYoungGen* young_gen,
+                                         PSOldGen* old_gen);
+
+  // Reset time since last full gc
+  static void reset_millis_since_last_gc();
+
+ public:
+  static void invoke(bool clear_all_softrefs);
+  static void invoke_no_policy(bool clear_all_softrefs);
+
+  static void initialize();
+
+  // Public accessors
+  static elapsedTimer* accumulated_time() { return &_accumulated_time; }
+  static unsigned int total_invocations() { return _total_invocations; }
+  static CollectorCounters* counters()    { return _counters; }
+
+  // Time since last full gc (in milliseconds)
+  static jlong millis_since_last_gc();
+};