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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 ****************************
  21. // 文件名称：CriticalSection.h
  22. // 创建日期：20050404
  23. // 创建人： 王耿
  24. // 文件说明：互斥对象
  26. // 0.01 王耿 20050403
  27. // 创建文件
  28. // $_FILEHEADER_END ******************************
  29. #ifndef __CRISECTION_H
  30. #define __CRISECTION_H
  32. namespace UC
  33. {
  34. #ifdef WIN32
  35.     
  36. #include <Windows.h>
  37.     
  38. #else
  39.     
  40. #include <pthread.h>
  41. #include <unistd.h>
  42. #endif//_XNIX
  43.     
  44.     
  45.     class CCriticalSection
  46.     {
  47.     private:
  48.         //windows OS
  49. #ifdef WIN32
  50.         CRITICAL_SECTION moSection;
  51. #else
  52.         pthread_mutex_t mMutex;
  53. #endif
  54.         
  55.         
  56.     public:
  57.         CCriticalSection()
  58.         {
  59. #ifdef WIN32
  60.             InitializeCriticalSection(&moSection);
  61. #else
  62.             mMutex = PTHREAD_ERRORCHECK_MUTEX_INITIALIZER_NP;
  63.             //pthread_mutex_init(&mMutex,NULL);
  64. #endif
  65.         };
  66.         ~CCriticalSection()
  67.         {
  68. #ifdef WIN32
  69.             DeleteCriticalSection(&moSection);
  70. #else
  71.             pthread_mutex_destory(&mMutex);
  72. #endif
  73.         }
  74.         void  inline Enter()
  75.         {
  76. #ifdef WIN32
  77.             EnterCriticalSection(&moSection);
  78. #else
  79.             pthread_mutex_lock(&mMutex);
  80. #endif
  81.         }
  82.         void inline Leave()
  83.         {
  84. #ifdef WIN32
  85.             LeaveCriticalSection(&moSection);
  86. #else
  87.             pthread_mutex_unlock(&mMutex);
  88. #endif
  89.         };
  90.         
  91.     };
  92.     class CCriticalSectionHelper
  93.     {
  94.     public:
  95.         CCriticalSectionHelper(CCriticalSection& aCriticalSection)
  96.             :moCriticalSection(aCriticalSection)
  97.         {
  98.             moCriticalSection.Enter();
  99.         };
  100.         ~CCriticalSectionHelper(){
  101.             moCriticalSection.Leave();
  102.         }
  103.     private:
  104.         CCriticalSection& moCriticalSection;
  105.     };
  106. };
  107. #endif // __CRISECTION_H