view src/share/vm/gc_implementation/parallelScavenge/vmPSOperations.hpp @ 6725:da91efe96a93

6964458: Reimplement class meta-data storage to use native memory Summary: Remove PermGen, allocate meta-data in metaspace linked to class loaders, rewrite GC walking, rewrite and rename metadata to be C++ classes Reviewed-by: jmasa, stefank, never, coleenp, kvn, brutisso, mgerdin, dholmes, jrose, twisti, roland Contributed-by: jmasa <jon.masamitsu@oracle.com>, stefank <stefan.karlsson@oracle.com>, mgerdin <mikael.gerdin@oracle.com>, never <tom.rodriguez@oracle.com>
author coleenp
date Sat, 01 Sep 2012 13:25:18 -0400
parents c9ca3f51cf41
children
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/*
 * Copyright (c) 2007, 2012, 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_IMPLEMENTATION_PARALLELSCAVENGE_VMPSOPERATIONS_HPP
#define SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_VMPSOPERATIONS_HPP

#include "gc_implementation/parallelScavenge/parallelScavengeHeap.hpp"
#include "gc_implementation/shared/vmGCOperations.hpp"
#include "gc_interface/gcCause.hpp"

class VM_ParallelGCFailedAllocation: public VM_GC_Operation {
 private:
  size_t    _size;
  HeapWord* _result;

 public:
  VM_ParallelGCFailedAllocation(size_t size, unsigned int gc_count);

  virtual VMOp_Type type() const {
    return VMOp_ParallelGCFailedAllocation;
  }
  virtual void doit();

  HeapWord* result() const       { return _result; }
};

class VM_ParallelGCSystemGC: public VM_GC_Operation {
 public:
  VM_ParallelGCSystemGC(unsigned int gc_count, unsigned int full_gc_count,
                        GCCause::Cause gc_cause);
  virtual VMOp_Type type() const { return VMOp_ParallelGCSystemGC; }
  virtual void doit();
};

#endif // SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_VMPSOPERATIONS_HPP