操作系统-创建多线程-读者写者

#include "stdafx.h"
#include "windows.h"

DWORD WINAPI producer(LPVOID lpParam)
{
printf("MyThreadfirst\n");
return 0;
}
DWORD WINAPI consumer(LPVOID lpParam)
{
printf("MyThreadfirst\n");
return 0;
}
int main(int argc, char* argv[])
{

DWORD id;
HANDLE hThread[20];
DWORD dw;
for(int i=0;i<20;i++) 
{ 
if(i%2==0) //这样做的目的是为了能更好地模拟现实情况 
hThread[i]=::CreateThread(NULL,NULL,(LPTHREAD_START_ROUTINE)producer, NULL,0,&id); 
else 
hThread[i]=::CreateThread(NULL,NULL,(LPTHREAD_START_ROUTINE)consumer, NULL,0,&id); 
} 

dw=::WaitForMultipleObjects(i,hThread,TRUE,INFINITE);
return 0;
}