00001 /***************************************************************************** 00002 * Copyright (C) 2011 by Benjamin Hadorn (b_hadorn@bluewin.ch) 00003 ***************************************************************************** 00004 * Project : Zeus Base Library 00005 * Module : Mutex 00006 * Package : Zeus.ZeusBase.System 00007 * Author : Benjamin Hadorn 00008 * Date : 27.12.2011 00009 * System : Zeus-Framework 00010 ***************************************************************************** 00011 * Licence: * 00012 * This library is free software; you can redistribute it and/or modify * 00013 * it under the terms of the GNU Lesser General Public License as * 00014 * published by the Free Software Foundation; either version * 00015 * 2.1 of the License, or (at your option) any later version. * 00016 * * 00017 * This library is distributed in the hope that it will be useful, * 00018 * but WITHOUT ANY WARRANTY; without even the implied warranty of * 00019 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * 00020 * GNU Lesser General Public License for more details. * 00021 * * 00022 * You should have received a copy of the GNU Lesser General Public * 00023 * License along with this library; if not, write to the Free Software * 00024 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110, USA * 00025 *****************************************************************************/ 00026 00027 /***************************************************************************** 00028 * Changes: 00029 * 27.12.2011 bha: created zeus 2.0 00030 *****************************************************************************/ 00031 00032 00033 #ifndef MutexH 00034 #define MutexH 00035 00036 #include <zeusbase/System/Interfaces/ICriticalSection.hpp> 00037 #include <zeusbase/System/ZObject.h> 00038 00039 #if defined(ENABLE_WIN32_BINDING) 00040 #elif defined(ENABLE_LINUX_BINDING) 00041 #include <zeusbase/System/Semaphore.h> 00042 #endif 00043 00044 00045 BEGIN_NAMESPACE_Zeus 00046 00047 /*****************************************************************************/ 00051 /*****************************************************************************/ 00052 zeusbase_class TMutex : public TZObject, public ICriticalSection 00053 { 00054 public: 00055 TMutex(); 00056 TMutex(const TString& rName, bool bOpenExisting = false); 00057 00058 bool existedAlready() const; 00059 bool hasError() const; 00060 bool isLocked() const; 00061 bool isNamed() const; 00062 bool isValid() const; 00063 00064 //Methods of ICriticalSection 00065 virtual void MQUALIFIER enter(); 00066 virtual void MQUALIFIER leave(); 00067 00068 //Methods of IZUnknown 00069 MEMORY_MANAGER_DECL 00070 00071 protected: 00072 virtual ~TMutex(); 00073 00074 private: 00075 #if defined(ENABLE_WIN32_BINDING) 00076 00077 bool m_bNamed; 00079 bool m_bExistedAlready; 00081 HANDLE m_hMutex; 00082 #elif defined(ENABLE_LINUX_BINDING) 00083 00084 TSemaphore& m_rSemaphore; 00085 #endif 00086 }; 00087 00088 END_NAMESPACE_Zeus 00089 00090 #endif