00001 //******************************************************************************* 00002 // 00003 // ******* *** *** * 00004 // * * * * 00005 // * * * ***** 00006 // * * *** * * ** * ** *** 00007 // * * * * * * * **** * * * 00008 // * * * * * * * * * * * 00009 // * *** *** * ** ** ** * * 00010 // * 00011 //******************************************************************************* 00012 // see http://sourceforge.net/projects/tcsystem/ for details. 00013 // Copyright (C) 2003 - 2008 Thomas Goessler. All Rights Reserved. 00014 //******************************************************************************* 00015 // 00016 // TCSystem is the legal property of its developers. 00017 // Please refer to the COPYRIGHT file distributed with this source distribution. 00018 // 00019 // This library is free software; you can redistribute it and/or 00020 // modify it under the terms of the GNU Lesser General Public 00021 // License as published by the Free Software Foundation; either 00022 // version 2.1 of the License, or (at your option) any later version. 00023 // 00024 // This library is distributed in the hope that it will be useful, 00025 // but WITHOUT ANY WARRANTY; without even the implied warranty of 00026 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00027 // Lesser General Public License for more details. 00028 // 00029 // You should have received a copy of the GNU Lesser General Public 00030 // License along with this library; if not, write to the Free Software 00031 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. 00032 //******************************************************************************* 00033 // $Id: TCMTSemaphore.h 870 2008-07-21 14:15:33Z the_____tiger $ 00034 //******************************************************************************* 00035 00036 #ifndef _TC_MT_SEMAPHORE_H_ 00037 #define _TC_MT_SEMAPHORE_H_ 00038 00039 #include "TCNonCopyable.h" 00040 #include "TCSharedPtr.h" 00041 00042 namespace TC 00043 { 00044 namespace MT 00045 { 00060 class Semaphore: protected NonCopyAble 00061 { 00062 public: 00067 virtual bool Wait() = 0; 00068 00073 virtual bool TryWait() = 0; 00074 00079 virtual bool TryWait(uint32 millisecs) = 0; 00080 00085 virtual bool Post() = 0; 00086 00087 virtual ~Semaphore() {} 00088 00089 }; 00090 00092 typedef SharedPtr< Semaphore > SemaphorePtr; 00093 00095 class SemaphoreLocker: protected NonCopyAble 00096 { 00097 public: 00098 SemaphoreLocker(SemaphorePtr s) 00099 :m_semaphore(s) 00100 { 00101 m_semaphore->Wait(); 00102 } 00103 ~SemaphoreLocker() 00104 { 00105 m_semaphore->Post(); 00106 } 00107 00108 private: 00109 SemaphorePtr m_semaphore; 00110 }; 00111 00116 } // namespace MT 00117 } // namespace TC 00118 00119 00120 #endif // _TC_MT_SEMAPHORE_H_