diff src/share/vm/gc_implementation/parallelScavenge/psPermGen.hpp @ 0:a61af66fc99e jdk7-b24

Initial load
author duke
date Sat, 01 Dec 2007 00:00:00 +0000
parents
children c18cbe5936b8
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/share/vm/gc_implementation/parallelScavenge/psPermGen.hpp	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,53 @@
+/*
+ * 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 AdaptivePaddedAverage;
+
+class PSPermGen : public PSOldGen {
+  friend class VMStructs;
+ protected:
+  AdaptivePaddedAverage* _avg_size;  // Used for sizing
+  size_t _last_used;                 // Amount used at last GC, used for sizing
+
+ public:
+  // Initialize the generation.
+  PSPermGen(ReservedSpace rs, size_t alignment, size_t initial_byte_size,
+            size_t minimum_byte_size, size_t maximum_byte_size,
+            const char* gen_name, int level);
+
+  // Permanent Gen special allocation. Uses the OldGen allocation
+  // routines, which should not be directly called on this generation.
+  HeapWord* allocate_permanent(size_t word_size);
+
+  // Size calculation.
+  void compute_new_size(size_t used_before_collection);
+
+  // MarkSweep code
+  virtual void precompact();
+
+  // Parallel old
+  virtual void move_and_update(ParCompactionManager* cm);
+
+  virtual const char* name() const { return "PSPermGen"; }
+};