请教一个问题,这个程序创建了两个新线程:
#include<windows.h>
#include<iostream.h>
int index=0;
int tickets=1000;DWORD WINAPI Fun1Proc(LPVOID lpParameter);
DWORD WINAPI Fun2Proc(LPVOID lpParameter);void main()
{
HANDLE hThread1;
HANDLE hThread2;
hThread1=CreateThread(NULL,0,Fun1Proc,NULL,0,NULL);
hThread2=CreateThread(NULL,0,Fun1Proc,NULL,0,NULL);
CloseHandle(hThread1);
CloseHandle(hThread2);
Sleep(4000);
}
DWORD WINAPI Fun1Proc(LPVOID lpParameter)
{ while(1)
{
if(tickets>0)
cout<<"thread1 sells tickets : "<<tickets--<<endl;
else
break;
}
return 0;
}DWORD WINAPI Fun2Proc(LPVOID lpParameter)
{ while(1)
{
if(tickets>0)
cout<<"thread2 sells tickets : "<<tickets--<<endl;
else
break;
}
return 0;
}
感觉输出结果应当既有thread1 sells tickets也有thread2 sells tickets但结果
全是thread1 sells tickets为什么啊?谢谢
#include<windows.h>
#include<iostream.h>
int index=0;
int tickets=1000;DWORD WINAPI Fun1Proc(LPVOID lpParameter);
DWORD WINAPI Fun2Proc(LPVOID lpParameter);void main()
{
HANDLE hThread1;
HANDLE hThread2;
hThread1=CreateThread(NULL,0,Fun1Proc,NULL,0,NULL);
hThread2=CreateThread(NULL,0,Fun1Proc,NULL,0,NULL);
CloseHandle(hThread1);
CloseHandle(hThread2);
Sleep(4000);
}
DWORD WINAPI Fun1Proc(LPVOID lpParameter)
{ while(1)
{
if(tickets>0)
cout<<"thread1 sells tickets : "<<tickets--<<endl;
else
break;
}
return 0;
}DWORD WINAPI Fun2Proc(LPVOID lpParameter)
{ while(1)
{
if(tickets>0)
cout<<"thread2 sells tickets : "<<tickets--<<endl;
else
break;
}
return 0;
}
感觉输出结果应当既有thread1 sells tickets也有thread2 sells tickets但结果
全是thread1 sells tickets为什么啊?谢谢
hThread1=CreateThread(NULL,0,Fun1Proc,NULL,0,NULL); hThread2=CreateThread(NULL,0,Fun1Proc,NULL,0,NULL); 你的两个线程都指定成了一个线程函数:),