Method closeErr

pty/ptytest/ptytest.go:563–576

(err error)

}

func (b *stdbuf) closeErr(err error) error {
	b.mu.Lock()
	defer b.mu.Unlock()
	if b.err != nil {
		return err
	}
	if err == nil {
		b.err = io.EOF
	} else {
		b.err = err
	}
	close(b.more)
	return err
}