Mutex.h

00001 //
00002 // Copyright(C) 2005--2006 Institute of Computing Tech, Chinese Academy of Sciences. 
00003 // All rights reserved.
00004 // This file is part of FirteX (www.firtex.org)
00005 //
00006 // Use of the FirteX is subject to the terms of the software license set forth in 
00007 // the LICENSE file included with this software, and also available at
00008 // http://www.firtex.org/license.html
00009 //
00010 // Author       : 郭瑞杰(GuoRuijie)
00011 // Email        : ruijieguo@software.ict.ac.cn,ruijieguo@gmail.com
00012 // Created      : 2005/11/20
00013 //
00014 #ifndef _MUTEX_WIN32_H
00015 #define _MUTEX_WIN32_H
00016 
00017 #include "Lockable.h"
00018 //#include "NonCopypable.h"
00019 #include <windows.h>
00020 
00021 namespace firtex
00022 {
00023         namespace thread
00024         {
00025                 class CMutex : public CLockable//,private CNonCopyable
00026                 {
00027                         mutable CRITICAL_SECTION C;
00028                 public:
00029                         CMutex()
00030                         {
00031                                 InitializeCriticalSection(&C); 
00032                         }
00033 
00034                         virtual ~CMutex()
00035                         {
00036                                 DeleteCriticalSection(&C); 
00037                         }
00038 
00039                         void acquire()
00040                         {
00041                                 EnterCriticalSection(&C);         
00042                         }
00043 
00044 #if(_WIN32_WINNT >= 0x0400)
00045                         bool tryAcquire(unsigned long timeout)
00046                         {
00047                                 return (TryEnterCriticalSection(&C)?true:false); 
00048                         }
00049 #else
00050                         bool tryAcquire(unsigned long timeout)
00051                         {
00052                                 return true; 
00053                         }
00054 #endif
00055 
00056 
00057                         void release()
00058                         {
00059                                 LeaveCriticalSection(&C);
00060                         }
00061                 };
00062 
00063         }
00064 }
00065 
00066 
00067 #endif