#include "stdafx.h"
 #include <Windows.h>
 #include <iostream>
 using namespace std;DWORD WINAPI Fun1Proc(LPVOID lpParameter);
 DWORD WINAPI Fun2Proc(LPVOID lpParameter);int index=0;
 int tickets=20;
 HANDLE hMutex;void main()
 {
 HANDLE hThread1;
 HANDLE hThread2;hThread1=CreateThread(NULL,0,Fun1Proc,NULL,0,NULL);
 hThread2=CreateThread(NULL,0,Fun2Proc,NULL,0,NULL);
 CloseHandle(hThread1);
 CloseHandle(hThread2); hMutex=CreateMutex(NULL,FALSE,NULL);
Sleep(10000);
 }
 DWORD WINAPI Fun1Proc(LPVOID lpParameter)
 { while(TRUE)
  {
   WaitForSingleObject(hMutex,INFINITE);
   if(tickets>0)
   { 
       Sleep(1);
    cout<<"   thread1 sell ticket:"<<tickets--<<endl;
   
   }
   else
    break;
   ReleaseMutex(hMutex);
  }
  return 0;
 } DWORD WINAPI Fun2Proc(LPVOID lpParameter)
 {
  while(TRUE)
  {
   WaitForSingleObject(hMutex,INFINITE);
   if(tickets>0){
    Sleep(1);
          cout<<"   thread2 sell ticket:"<<tickets--<<endl;
   }
  else
      break;
   ReleaseMutex(hMutex);
  }
  return 0;
 }