P2P编程

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Visual C++

CriticalSection.h：源码内容

							#if defined (_MSC_VER) && (_MSC_VER >= 1020)
#pragma once
#endif
#ifndef _CRITICAL_SECTION_INCLUDED__
#define _CRITICAL_SECTION_INCLUDED__
class CriticalSection 
{
   public :
   
      class Owner
      {
         public:
            explicit Owner(
               CriticalSection &crit);
            ~Owner();
      
         private :
            CriticalSection &m_crit;
            // No copies do not implement
            Owner(const Owner &rhs);
            Owner &operator=(const Owner &rhs);
      };
      CriticalSection();
      
      ~CriticalSection();
#if(_WIN32_WINNT >= 0x0400)
      bool TryEnter();
#endif
      void Enter();
      void Leave();
   private :
      CRITICAL_SECTION m_crit;
      // No copies do not implement
      CriticalSection(const CriticalSection &rhs);
      CriticalSection &operator=(const CriticalSection &rhs);
};
#endif //_CRITICAL_SECTION_INCLUDED__

						