return ErrDeadlineExceeded
}

func (pd *pollDesc) waitRead(isFile bool) error { return pd.wait('r', isFile) }

func (pd *pollDesc) waitWrite(isFile bool) error { return pd.wait('w', isFile) }

func (pd *pollDesc) waitCanceled(mode int) {}

func (pd *pollDesc) pollable() bool { return true }

// SetDeadline sets the read and write deadlines associated with fd.
func (fd *FD) SetDeadline(t time.Time) error {

}

func (pd *pollDesc) waitRead(isFile bool) error {
	return pd.wait('r', isFile)
}

func (pd *pollDesc) waitWrite(isFile bool) error {
	return pd.wait('w', isFile)
}

func (pd *pollDesc) waitCanceled(mode int) {
	if pd.runtimeCtx == 0 {
		return
	}
	runtime_pollWaitCanceled(pd.runtimeCtx, mode)
}

func (pd *pollDesc) pollable() bool {
	return pd.runtimeCtx != 0
}