vc多线程的小例子

#include <windows.h> #include <iostream.h> DWORD WINAPI Fun1Proc( LPVOID lpParameter // thread data ); DWORD WINAPI Fun2Proc( LPVOID lpParameter // thread data ); 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,NULL); hMutex=CreateMutex(NULL,TRUE,"tickets"); if(hMutex) { if(ERROR_ALREADY_EXISTS==GetLastError()) { cout<<"only one instance can run!"<<endl; return; } } WaitForSingleObject(hMutex,INFINITE); ReleaseMutex(hMutex); ReleaseMutex(hMutex); Sleep(4000); } DWORD WINAPI Fun1Proc( LPVOID lpParameter // thread data ) { /* while(TRUE) { WaitForSingleObject(hMutex,INFINITE); if(tickets>0) { Sleep(1); cout<<"thread1 sell ticket : "<<tickets--<<endl; } else break; ReleaseMutex(hMutex); } */ WaitForSingleObject(hMutex,INFINITE); cout<<"thread1 is running"<<endl; return 0; } DWORD WINAPI Fun2Proc( LPVOID lpParameter // thread data ) { /* while(TRUE) { WaitForSingleObject(hMutex,INFINITE); if(tickets>0) { Sleep(1); cout<<"thread2 sell ticket : "<<tickets--<<endl; } else break; ReleaseMutex(hMutex); } */ WaitForSingleObject(hMutex,INFINITE); cout<<"thread2 is running"<<endl; return 0; }