1 /*
 2  * Copyright (c) 2002, 2019, 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
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 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
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17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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24 
25 #ifndef SHARE_GC_PARALLEL_PSTASKS_HPP
26 #define SHARE_GC_PARALLEL_PSTASKS_HPP
27 
28 #include "utilities/growableArray.hpp"
29 
30 //
31 // psTasks.hpp is a collection of GCTasks used by the
32 // parallelScavenge collector.
33 //
34 
35 class GCTask;
36 class OopClosure;
37 class OopStack;
38 class ObjectStartArray;
39 class ParallelTaskTerminator;
40 class MutableSpace;
41 class PSOldGen;
42 class Thread;
43 class VMThread;
44 
45 //
46 // StealTask
47 //
48 // This task is used to distribute work to idle threads.
49 //
50 
51 class StealTask : public GCTask {
52  private:
53    ParallelTaskTerminator* const _terminator;
54  public:
55   char* name() { return (char *)"steal-task"; }
56 
57   StealTask(ParallelTaskTerminator* t);
58 
59   ParallelTaskTerminator* terminator() { return _terminator; }
60 
61   virtual void do_it(GCTaskManager* manager, uint which);
62 };
63 
64 #endif // SHARE_GC_PARALLEL_PSTASKS_HPP