NOT_WRITABLE
if (assert_status(reader_fd, kqueue_fd, NOT_READABLE, NOT_WRITABLE,
if (assert_status(reader_fd, kqueue_fd, READABLE, NOT_WRITABLE,
if (assert_status(reader_fd, kqueue_fd, NOT_READABLE, NOT_WRITABLE,
if (assert_status(writer_fd, kqueue_fd, NOT_READABLE, NOT_WRITABLE,