view src/share/vm/gc_implementation/parallelScavenge/vmPSOperations.hpp @ 795:215f81b4d9b3

6841831: G1: assert(contains_reference(from),"We just added it!") fires Summary: During parallel rset updating we have to make sure that the worker ids of the refinement threads do not intersect with the worker ids that can be claimed by the mutator threads. Reviewed-by: tonyp
author iveresov
date Mon, 18 May 2009 11:52:46 -0700
parents a61af66fc99e
children c18cbe5936b8
line wrap: on
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/*
 * Copyright (c) 2007 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 VM_ParallelGCFailedAllocation: public VM_GC_Operation {
 private:
  size_t    _size;
  bool      _is_tlab;
  HeapWord* _result;

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

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

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

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

 public:
  VM_ParallelGCFailedPermanentAllocation(size_t size,
                                         unsigned int gc_count,
                                         unsigned int full_gc_count);
  virtual VMOp_Type type() const {
    return VMOp_ParallelGCFailedPermanentAllocation;
  }
  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();
};