#include "stdafx.h"#include 
      
       using namespace std;#include 
       
        #include 
        
         CRITICAL_SECTION cs;//1.测试同一线程两次EnterCriticalSection会不会阻塞//答案:不会/*int _tmain(int argc, _TCHAR* argv[]){    InitializeCriticalSection(&cs);    EnterCriticalSection(&cs);    EnterCriticalSection(&cs);    for(int i = 0;i < 20;i++)    {        cout<<"MainThread:"<
         <
          
           < 20;i++)    {        if(i == 10)        {            LeaveCriticalSection(&cs);        }        cout<<"MainThread:"<
           <