Multhread.rar_互斥

#include <windows.h> #include <iostream.h> DWORD WINAPI Fun1Proc(LPVOID lpParameter); DWORD WINAPI Fun2Proc(LPVOID lpParameter); int index=0; int tickets=100; 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,TRUE,"MyThread"); /*if(hMutex) { if(ERROR_ALREADY_EXISTS==GetLastError()) { cout<<"only instance can run!"<<endl; return ; } }*/ ReleaseMutex(hMutex); Sleep(10000); /*while(index++<1000) cout<<"Main Thread is running"<<endl; Sleep(20);*/ } DWORD WINAPI Fun1Proc(LPVOID lpParameter) { /*while(index++<1000) cout<<"Thread1 is running"<<endl;*/ while(TRUE) { WaitForSingleObject(hMutex,INFINITE); if(tickets>0) { Sleep(1); cout<<"thread1 sell tickets :"<<tickets--<<endl; } else break; ReleaseMutex(hMutex); //将线程id设为0 } return 0; } DWORD WINAPI Fun2Proc(LPVOID lpParameter) { while(TRUE) { WaitForSingleObject(hMutex,INFINITE); if(tickets> 0) { Sleep(1); cout<<"thread2 sell tickets :"<<tickets--<<endl; } else break; ReleaseMutex(hMutex); } return 0; }