1 /*
   2  * Copyright (c) 2001, 2012, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #ifndef SHARE_VM_GC_IMPLEMENTATION_PARNEW_PARNEWGENERATION_HPP
  26 #define SHARE_VM_GC_IMPLEMENTATION_PARNEW_PARNEWGENERATION_HPP
  27 
  28 #include "gc_implementation/shared/gcTrace.hpp"
  29 #include "gc_implementation/shared/parGCAllocBuffer.hpp"
  30 #include "gc_implementation/shared/copyFailedInfo.hpp"
  31 #include "memory/defNewGeneration.hpp"

  32 #include "utilities/taskqueue.hpp"
  33 
  34 class ChunkArray;
  35 class ParScanWithoutBarrierClosure;
  36 class ParScanWithBarrierClosure;
  37 class ParRootScanWithoutBarrierClosure;
  38 class ParRootScanWithBarrierTwoGensClosure;
  39 class ParEvacuateFollowersClosure;
  40 
  41 // It would be better if these types could be kept local to the .cpp file,
  42 // but they must be here to allow ParScanClosure::do_oop_work to be defined
  43 // in genOopClosures.inline.hpp.
  44 
  45 typedef Padded<OopTaskQueue> ObjToScanQueue;
  46 typedef GenericTaskQueueSet<ObjToScanQueue, mtGC> ObjToScanQueueSet;
  47 
  48 class ParKeepAliveClosure: public DefNewGeneration::KeepAliveClosure {
  49  private:
  50   ParScanWeakRefClosure* _par_cl;
  51  protected:

   1 /*
   2  * Copyright (c) 2001, 2013, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #ifndef SHARE_VM_GC_IMPLEMENTATION_PARNEW_PARNEWGENERATION_HPP
  26 #define SHARE_VM_GC_IMPLEMENTATION_PARNEW_PARNEWGENERATION_HPP
  27 
  28 #include "gc_implementation/shared/gcTrace.hpp"
  29 #include "gc_implementation/shared/parGCAllocBuffer.hpp"
  30 #include "gc_implementation/shared/copyFailedInfo.hpp"
  31 #include "memory/defNewGeneration.hpp"
  32 #include "memory/padded.hpp"
  33 #include "utilities/taskqueue.hpp"
  34 
  35 class ChunkArray;
  36 class ParScanWithoutBarrierClosure;
  37 class ParScanWithBarrierClosure;
  38 class ParRootScanWithoutBarrierClosure;
  39 class ParRootScanWithBarrierTwoGensClosure;
  40 class ParEvacuateFollowersClosure;
  41 
  42 // It would be better if these types could be kept local to the .cpp file,
  43 // but they must be here to allow ParScanClosure::do_oop_work to be defined
  44 // in genOopClosures.inline.hpp.
  45 
  46 typedef Padded<OopTaskQueue> ObjToScanQueue;
  47 typedef GenericTaskQueueSet<ObjToScanQueue, mtGC> ObjToScanQueueSet;
  48 
  49 class ParKeepAliveClosure: public DefNewGeneration::KeepAliveClosure {
  50  private:
  51   ParScanWeakRefClosure* _par_cl;
  52  protected: