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SOCKET clientSock;
fd_set readfds;
timeval val;
while(1)
{
FD_ZERO(&readfds);//init
FD_SET(m_hSocket,&readfds);//put sockect into
val.tv_sec =0;//wait time
val.tv_usec= 0;
select(0,&readfds,NULL,NULL,&val);//select mode not block
if(FD_ISSET(m_hSocket,&readfds))
{
clientSock = accept(m_hSocket,NULL,NULL);
break;
}
}