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Runnable.h

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00001 //------------------------------------------------------------------------------
00002 // Lamp : Open source game middleware
00003 // Copyright (C) 2004  Junpei Ohtani ( Email : junpee@users.sourceforge.jp )
00004 //
00005 // This library is free software; you can redistribute it and/or
00006 // modify it under the terms of the GNU Lesser General Public
00007 // License as published by the Free Software Foundation; either
00008 // version 2.1 of the License, or (at your option) any later version.
00009 //
00010 // This library is distributed in the hope that it will be useful,
00011 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00012 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00013 // Lesser General Public License for more details.
00014 //
00015 // You should have received a copy of the GNU Lesser General Public
00016 // License along with this library; if not, write to the Free Software
00017 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00018 //------------------------------------------------------------------------------
00019 
00020 /** @file
00021  * 実行可能ヘッダ
00022  * @author Junpee
00023  */
00024 
00025 #ifndef RUNNABLE_H_
00026 #define RUNNABLE_H_
00027 
00028 #include <Core/Thread/WaitSet.h>
00029 
00030 namespace Lamp{
00031 
00032 class Thread;
00033 
00034 //------------------------------------------------------------------------------
00035 /**
00036  * 実行可能
00037  */
00038 class Runnable : public WaitSet{
00039 friend class Thread;
00040 public:
00041     /**
00042      * コンストラクタ
00043      */
00044     Runnable() : WaitSet(), stopRequested_(false){}
00045 
00046     /**
00047      * コンストラクタ
00048      * @param lockObject ロックオブジェクト
00049      * @param deleteLockObject ロックオブジェクトをWaitSetが削除するならtrue
00050      */
00051     Runnable(LockObject* lockObject, bool deleteLockObject) :
00052         WaitSet(lockObject, deleteLockObject), stopRequested_(false){}
00053 
00054     /**
00055      * デストラクタ
00056      */
00057     virtual ~Runnable(){}
00058 
00059     /**
00060      * 停止を要求されているか
00061      * @return 停止を要求されていればtrue
00062      */
00063     bool isStopRequested() const{ return stopRequested_; }
00064 
00065     /**
00066      * 実行
00067      * @param thread 実行しているスレッド
00068      *
00069      * isStopRequested()がtrueを返す場合は速やかに処理を終了させる
00070      */
00071     virtual void run(Thread* thread) = 0;
00072 
00073 private:
00074     // 停止要求フラグの設定
00075     void setStopRequested(bool stopRequested){
00076         stopRequested_ = stopRequested;
00077     }
00078 
00079     // 停止要求
00080     volatile bool stopRequested_;
00081 
00082 };
00083 
00084 //------------------------------------------------------------------------------
00085 } // End of namespace Lamp
00086 #endif // End of RUNNABLE_H_
00087 //------------------------------------------------------------------------------

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