1 /*

     2  * Copyright (c) 2017, 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_GC_G1_G1FULLGCREFERENCEPROCESSOREXECUTOR_HPP

    26 #define SHARE_GC_G1_G1FULLGCREFERENCEPROCESSOREXECUTOR_HPP

    27 

    28 #include "gc/g1/g1FullGCCompactionPoint.hpp"

    29 #include "gc/g1/g1FullGCScope.hpp"

    30 #include "gc/g1/g1FullGCTask.hpp"

    31 #include "gc/g1/g1RootProcessor.hpp"

    32 #include "gc/g1/g1StringDedup.hpp"

    33 #include "gc/g1/heapRegionManager.hpp"

    34 #include "gc/shared/referenceProcessor.hpp"

    35 #include "utilities/ticks.hpp"

    36 

    37 class G1FullGCTracer;

    38 class STWGCTimer;

    39 

    40 class G1FullGCReferenceProcessingExecutor: public AbstractRefProcTaskExecutor {

    41   G1FullCollector*    _collector;

    42   ReferenceProcessor* _reference_processor;

    43   uint                _old_mt_degree;

    44 

    45 public:

    46   G1FullGCReferenceProcessingExecutor(G1FullCollector* collector);

    47   ~G1FullGCReferenceProcessingExecutor();

    48 

    49   // Do reference processing.

    50   void execute(STWGCTimer* timer, G1FullGCTracer* tracer);

    51 

    52   // Executes the given task using concurrent marking worker threads.

    53   virtual void execute(ProcessTask& task);

    54   virtual void execute(EnqueueTask& task);

    55 

    56 private:

    57   void run_task(AbstractGangTask* task);

    58 

    59   class G1RefProcTaskProxy : public AbstractGangTask {

    60     typedef AbstractRefProcTaskExecutor::ProcessTask ProcessTask;

    61     ProcessTask&             _proc_task;

    62     G1FullCollector*         _collector;

    63     ParallelTaskTerminator   _terminator;

    64 

    65   public:

    66     G1RefProcTaskProxy(ProcessTask& proc_task,

    67                        G1FullCollector* scope);

    68 

    69     virtual void work(uint worker_id);

    70   };

    71 

    72   class G1RefEnqueueTaskProxy: public AbstractGangTask {

    73     typedef AbstractRefProcTaskExecutor::EnqueueTask EnqueueTask;

    74     EnqueueTask& _enq_task;

    75 

    76   public:

    77     G1RefEnqueueTaskProxy(EnqueueTask& enq_task);

    78     virtual void work(uint worker_id);

    79   };

    80 };

    81 

    82 #endif // SHARE_GC_G1_G1FULLGCREFERENCEPROCESSOREXECUTOR_HPP