UINT __ThreadStartSystem(VOID* param)
{
static long sbInProcessing = FALSE;
if(TRUE == sbInProcessing)return FALSE;
InterlockedExchange((long*)&(sbInProcessing),TRUE);
//邏輯執(zhí)行部分，如果遇到多次調(diào)用就會(huì)退出
InterlockedExchange((long*)&(sbInProcessing), FALSE);
return TRUE;
}