1. #include <windows.h>
  2. #include <iostream.h>
  4. DWORD WINAPI Fun1Proc(
  5.     LPVOID lpParameter //thread data
  6. );
  8. DWORD WINAPI Fun2Proc(
  9.                       LPVOID lpParameter //thread   data
  10. );
  12. int index = 0;
  13. int tickets = 100;
  14. HANDLE hMutex;
  16. void main()
  17. {
  18.     HANDLE hThread1;
  19.     HANDLE hThread2;
  22.     // 仅允许有一个实列运行
  23.     hMutex = CreateMutex(NULL, FALSE, "tickets");
  24.     if (hMutex){
  25.         DWORD dw = GetLastError();
  26.         if (ERROR_ALREADY_EXISTS == dw){
  27.             cout<<"only one instance can run!!"<<endl;
  28.             return;
  29.         }
  30.     }
  32.     // 创建线程
  33.     hThread1 = CreateThread(NULL,0,Fun1Proc, NULL, 0, NULL);
  34.     hThread2 = CreateThread(NULL,0,Fun2Proc, NULL, 0, NULL);
  35.     CloseHandle(hThread1);
  36.     CloseHandle(hThread2);
  38.     // 创建互斥对像
  39.     //hMutex = CreateMutex(NULL,TRUE,NULL);
  40.     //WaitForSingleObject(hMutex,INFINITE);
  41.     //ReleaseMutex(hMutex);
  42.     //ReleaseMutex(hMutex);
  44.     Sleep(4000);
  45. }
  47. //线程1入口
  48. DWORD WINAPI Fun1Proc(LPVOID lpParameter ){
  49. //  WaitForSingleObject(hMutex,INFINITE);
  50. //  cout<<"thread 1 run"<<endl;
  51. //  return 0;
  52.     //WaitForSingleObject(hMutex, INFINITE);
  53.     while(TRUE){
  54.         // 无限等待
  55.         WaitForSingleObject(hMutex, INFINITE);
  56.         if (tickets > 0){
  57.             //Sleep(20);
  58.             cout<<"thread1 sell ticket:"<<tickets--<<endl;
  59.         }else{
  60.             break;
  61.         }
  62.         // 释放对像
  63.         ReleaseMutex(hMutex);
  64.     }
  65.     //ReleaseMutex(hMutex);
  66.     return 0;
  67. }
  69. //线程2入口
  70. DWORD WINAPI Fun2Proc(LPVOID lpParameter ){
  71. //  WaitForSingleObject(hMutex,INFINITE);
  72. //  cout<<"thread 2 run"<<endl;
  73. //  return 0;
  74.     while(TRUE){
  75.         WaitForSingleObject(hMutex, INFINITE);
  76.         if (tickets > 0){
  77.             //Sleep(40);
  78.             cout<<"thread2 sell ticket:"<<tickets--<<endl;
  79.         }else{
  80.             break;
  81.         }
  82.         ReleaseMutex(hMutex);
  83.     }
  84.     return 0;
  85. }

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