CALLER
CALLER(this, &TestUnblockOnCloseRead::_Reader), "reader");
CALLER(this, &TestUnblockOnCloseWrite::_Writer), "writer");
CALLER(this, &TestSelectAlreadyReady::_Selector), "selector");
CALLER(this, &TestSelectNotifyOnClose::_Selector), "selector");
CALLER(this, &TestSelectNotifyAfterPending::_ReadWriter),
CALLER(this, &TestSelectNotifyAfterPending::_Selector), "selector");