jdk8-mips64-public/hotspot: src/share/vm/gc_implementation/parallelScavenge/gcTaskThread.hpp@92ef81e2f571

8003557: NPG: Klass* const k should be const Klass* k.
Summary: With NPG, const KlassOop klass which is in fact a definition converted to Klass* const, which is not the original intention. The right usage is converting them to const Klass*.
Reviewed-by: coleenp, kvn
Contributed-by: yumin.qi@oracle.com

     1 /*

     2  * Copyright (c) 2002, 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  */

    25 #ifndef SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_GCTASKTHREAD_HPP

    26 #define SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_GCTASKTHREAD_HPP

    28 #include "runtime/thread.hpp"

    30 // Forward declarations of classes defined here.

    31 class GCTaskThread;

    32 class GCTaskTimeStamp;

    34 // Declarations of classes referenced in this file via pointer.

    35 class GCTaskManager;

    37 class GCTaskThread : public WorkerThread {

    38   friend class GCTaskManager;

    39 private:

    40   // Instance state.

    41   GCTaskManager* _manager;              // Manager for worker.

    42   const uint     _processor_id;         // Which processor the worker is on.

    44   GCTaskTimeStamp* _time_stamps;

    45   uint _time_stamp_index;

    47   GCTaskTimeStamp* time_stamp_at(uint index);

    49   bool _is_working;                     // True if participating in GC tasks

    51  public:

    52   // Factory create and destroy methods.

    53   static GCTaskThread* create(GCTaskManager* manager,

    54                               uint           which,

    55                               uint           processor_id) {

    56     return new GCTaskThread(manager, which, processor_id);

    57   }

    58   static void destroy(GCTaskThread* manager) {

    59     if (manager != NULL) {

    60       delete manager;

    61     }

    62   }

    63   // Methods from Thread.

    64   bool is_GC_task_thread() const {

    65     return true;

    66   }

    67   virtual void run();

    68   // Methods.

    69   void start();

    71   void print_task_time_stamps();

    72   void print_on(outputStream* st) const;

    73   void print() const                                { print_on(tty); }

    75 protected:

    76   // Constructor.  Clients use factory, but there could be subclasses.

    77   GCTaskThread(GCTaskManager* manager, uint which, uint processor_id);

    78   // Destructor: virtual destructor because of virtual methods.

    79   virtual ~GCTaskThread();

    80   // Accessors.

    81   GCTaskManager* manager() const {

    82     return _manager;

    83   }

    84   uint which() const {

    85     return id();

    86   }

    87   uint processor_id() const {

    88     return _processor_id;

    89   }

    90   void set_is_working(bool v) { _is_working = v; }

    91 };

    93 class GCTaskTimeStamp : public CHeapObj<mtGC>

    94 {

    95  private:

    96   jlong  _entry_time;

    97   jlong  _exit_time;

    98   char*  _name;

   100  public:

   101   jlong entry_time()              { return _entry_time; }

   102   jlong exit_time()               { return _exit_time; }

   103   const char* name() const        { return (const char*)_name; }

   105   void set_entry_time(jlong time) { _entry_time = time; }

   106   void set_exit_time(jlong time)  { _exit_time = time; }

   107   void set_name(char* name)       { _name = name; }

   108 };

   110 #endif // SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_GCTASKTHREAD_HPP

Mercurial > jdk8-mips64-public > hotspot / file revision

src/share/vm/gc_implementation/parallelScavenge/gcTaskThread.hpp@92ef81e2f571

src/share/vm/gc_implementation/parallelScavenge/gcTaskThread.hpp