} else if pe.Err != fs.ErrClosed {
		t.Errorf("got error %q but expected %q", pe.Err, fs.ErrClosed)
	} else {
		t.Logf("I/O returned expected error %q", err)
	}
}

func TestClosedPipeRaceRead(t *testing.T) {
	testClosedPipeRace(t, true)
}

func TestClosedPipeRaceWrite(t *testing.T) {
	testClosedPipeRace(t, false)
}

// Issue 20915: Reading on nonblocking fd should not return "waiting