Function queue_read

examples/io_uring-cp.c:80–105

}

static int queue_read(struct io_uring *ring, off_t size, off_t offset)
{
	struct io_uring_sqe *sqe;
	struct io_data *data;

	data = malloc(size + sizeof(*data));
	if (!data)
		return 1;

	sqe = io_uring_get_sqe(ring);
	if (!sqe) {
		free(data);
		return 1;
	}

	data->read = 1;
	data->offset = data->first_offset = offset;

	data->iov.iov_base = data + 1;
	data->iov.iov_len = size;
	data->first_len = size;

	io_uring_prep_readv(sqe, infd, &data->iov, 1, offset);
	io_uring_sqe_set_data(sqe, data);
	return 0;
}

static void queue_write(struct io_uring *ring, struct io_data *data)
{