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CriticalSection.h
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上传用户：liguizhu
上传日期：2015-11-01
资源大小：2422k
文件大小：3k
源码类别：

P2P编程

开发平台：

Visual C++

CriticalSection.h：源码内容
  1. /*
  2.  *  Openmysee
  3.  *
  4.  *  This program is free software; you can redistribute it and/or modify
  5.  *  it under the terms of the GNU General Public License as published by
  6.  *  the Free Software Foundation; either version 2 of the License, or
  7.  *  (at your option) any later version.
  8.  *
  9.  *  This program is distributed in the hope that it will be useful,
  10.  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  11.  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12.  *  GNU General Public License for more details.
  13.  *
  14.  *  You should have received a copy of the GNU General Public License
  15.  *  along with this program; if not, write to the Free Software
  16.  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  17.  *
  18.  */
  19. // $_FILEHEADER_BEGIN ****************************
  20. // 
  21. // Copyright (C) Sina Corporation.  All Rights Reserved
  22. // 文件名称：CriticalSection.h
  23. // 创建日期：20050404
  24. // 创建人： 王耿
  25. // 文件说明：互斥对象
  27. // 0.01 王耿 20050403
  28. // 创建文件
  29. // $_FILEHEADER_END ******************************
  30. #ifndef __CRISECTION_H
  31. #define __CRISECTION_H
  33. namespace UC
  34. {
  35. #ifdef WIN32
  36.     
  37. #include <Windows.h>
  38.     
  39. #else
  40.     
  41. #include <pthread.h>
  42. #include <unistd.h>
  43. #endif//_XNIX
  44.     
  45.     
  46.     class CCriticalSection
  47.     {
  48.     private:
  49.         //windows OS
  50. #ifdef WIN32
  51.         CRITICAL_SECTION moSection;
  52. #else
  53.         pthread_mutex_t mMutex;
  54. #endif
  55.         
  56.         
  57.     public:
  58.         CCriticalSection()
  59.         {
  60. #ifdef WIN32
  61.             InitializeCriticalSection(&moSection);
  62. #else
  63.             mMutex = PTHREAD_ERRORCHECK_MUTEX_INITIALIZER_NP;
  64.             //pthread_mutex_init(&mMutex,NULL);
  65. #endif
  66.         };
  67.         ~CCriticalSection()
  68.         {
  69. #ifdef WIN32
  70.             DeleteCriticalSection(&moSection);
  71. #else
  72.             pthread_mutex_destory(&mMutex);
  73. #endif
  74.         }
  75.         void  inline Enter()
  76.         {
  77. #ifdef WIN32
  78.             EnterCriticalSection(&moSection);
  79. #else
  80.             pthread_mutex_lock(&mMutex);
  81. #endif
  82.         }
  83.         void inline Leave()
  84.         {
  85. #ifdef WIN32
  86.             LeaveCriticalSection(&moSection);
  87. #else
  88.             pthread_mutex_unlock(&mMutex);
  89. #endif
  90.         };
  91.         
  92.     };
  93.     class CCriticalSectionHelper
  94.     {
  95.     public:
  96.         CCriticalSectionHelper(CCriticalSection& aCriticalSection)
  97.             :moCriticalSection(aCriticalSection)
  98.         {
  99.             moCriticalSection.Enter();
  100.         };
  101.         ~CCriticalSectionHelper(){
  102.             moCriticalSection.Leave();
  103.         }
  104.     private:
  105.         CCriticalSection& moCriticalSection;
  106.     };
  107. };
  108. #endif // __CRISECTION_H