#include 
        
          #include 
         
           //线程函数声明 DWORD WINAPI FuncProc1(    LPVOID lpParameter//thread data ); DWORD WINAPI FuncProc2(    LPVOID lpParameter//thread data ); //int index = 0; int tickets = 100; HANDLE hMutex; //互斥对象 int main() {
          HANDLE hThread1;     HANDLE hThread2;     hThread1 = CreateThread(NULL,//pointer to security attributes         0,                         //initial thread stack size         FuncProc1,                 // pointer to thread function         NULL,                     // argument for new thread         0,                         // creation flags         NULL);                     // pointer to receive thread ID     hThread2 = CreateThread(NULL, 0,         FuncProc2,         NULL, 0,         NULL);     CloseHandle(hThread1);     CloseHandle(hThread2); /*while (index++ < 1000)     {
               cout << "main thread is running" << endl;     }*/        hMutex = CreateMutex(NULL,// pointer to security attributes         TRUE,                  // flag for initial ownership         "tickets"                  // pointer to mutex-object name         ); //可以利用上用"tickets"命名来判断只能运行一个实例     if (hMutex)     {
      if (ERROR_ALREADY_EXISTS == GetLastError())         {
                  cout << "Only one instance can run!" << endl; return 0;         }     } /* 这个地方线程互斥量已在主线程中，执行下面该语句名互斥量变为2，     则下面ReleaseMutex函数需要执行两次才能完全释放，让子线程去执行*/     WaitForSingleObject(hMutex,INFINITE);     ReleaseMutex(hMutex);//此处需要释放主线程创建时得到的互斥量，否则子线程不执行     ReleaseMutex(hMutex);//     Sleep(4000); return 0 ; } //线程函数定义 DWORD WINAPI FuncProc1(LPVOID lpParameter //thread data                        ) {
      /*while(index++ < 1000)     {
               cout << "thread1 is running" << endl;     }*/ while(TRUE)     {
      //ReleaseMutex(hMutex);         WaitForSingleObject(hMutex,//handle to object to wait for             INFINITE               //time-out interval in milliseconds:INFINITE, the function's time-out interval never elapses.             ); if (tickets>0)         {
                  Sleep(10);             cout << "Thread1 sell tickets: " << tickets-- << endl;         } else         {
      break;         }         ReleaseMutex(hMutex);     } return 0; }; DWORD WINAPI FuncProc2(    LPVOID lpParameter//thread data ) {
      while(TRUE)     {
      //ReleaseMutex(hMutex);         WaitForSingleObject(hMutex,INFINITE); if (tickets>0)         {
                  Sleep(10);             cout << "Thread2 sell tickets: " << tickets-- << endl;         } else         {
      break;         }         ReleaseMutex(hMutex);     } return 0; }