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src/share/vm/gc/cms/parNewGeneration.hpp

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rev 8362 : 8079792: GC directory structure cleanup
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   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/parNew/parOopClosures.hpp"
  29 #include "gc_implementation/shared/gcTrace.hpp"
  30 #include "gc_implementation/shared/plab.hpp"
  31 #include "gc_implementation/shared/copyFailedInfo.hpp"
  32 #include "memory/defNewGeneration.hpp"

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


 405   // The task queues to be used by parallel GC threads.
 406   ObjToScanQueueSet* task_queues() {
 407     return _task_queues;
 408   }
 409 
 410   PLABStats* plab_stats() {
 411     return &_plab_stats;
 412   }
 413 
 414   size_t desired_plab_sz() {
 415     return _plab_stats.desired_plab_sz();
 416   }
 417 
 418   const ParNewTracer* gc_tracer() const {
 419     return &_gc_tracer;
 420   }
 421 
 422   static oop real_forwardee(oop obj);
 423 };
 424 
 425 #endif // SHARE_VM_GC_IMPLEMENTATION_PARNEW_PARNEWGENERATION_HPP


   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_CMS_PARNEWGENERATION_HPP
  26 #define SHARE_VM_GC_CMS_PARNEWGENERATION_HPP
  27 
  28 #include "gc/cms/parOopClosures.hpp"
  29 #include "gc/serial/defNewGeneration.hpp"
  30 #include "gc/shared/copyFailedInfo.hpp"
  31 #include "gc/shared/gcTrace.hpp"
  32 #include "gc/shared/plab.hpp"
  33 #include "gc/shared/taskqueue.hpp"
  34 #include "memory/padded.hpp"

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


 405   // The task queues to be used by parallel GC threads.
 406   ObjToScanQueueSet* task_queues() {
 407     return _task_queues;
 408   }
 409 
 410   PLABStats* plab_stats() {
 411     return &_plab_stats;
 412   }
 413 
 414   size_t desired_plab_sz() {
 415     return _plab_stats.desired_plab_sz();
 416   }
 417 
 418   const ParNewTracer* gc_tracer() const {
 419     return &_gc_tracer;
 420   }
 421 
 422   static oop real_forwardee(oop obj);
 423 };
 424 
 425 #endif // SHARE_VM_GC_CMS_PARNEWGENERATION_HPP
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