private void CloseInternal(SocketError socketError, string reason, Exception exception)
{
if (Interlocked.CompareExchange(ref _isClosed, 1, 0) == 0)
{
_sendSockerArg?.DisposeCurrent(SendSockerArg_Completed);
_receiveSocketArg?.DisposeCurrent(ReceiveSocketArg_Completed);
_socket.ShutDownCurrent();
}
}