vc++实现多线程程序

#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;
}