Function test_double_reg_unreg

test/buf-ring.c:107–151

}

static int test_double_reg_unreg(int bgid)
{
	struct io_uring_buf_reg reg = { };
	struct io_uring_buf_ring *br;
	struct io_uring ring;
	int ret;

	ret = t_create_ring(1, &ring, 0);
	if (ret == T_SETUP_SKIP)
		return 0;
	else if (ret != T_SETUP_OK)
		return 1;

	br = io_uring_setup_buf_ring(&ring, 32, bgid, 0, &ret);
	if (!br) {
		fprintf(stderr, "Buffer ring register failed %d\n", ret);
		return 1;
	}

	/* check that 2nd register with same bgid fails */
	reg.ring_addr = (unsigned long) br;
	reg.ring_entries = 32;
	reg.bgid = bgid;

	ret = io_uring_register_buf_ring(&ring, &reg, 0);
	if (ret != -EEXIST) {
		fprintf(stderr, "Buffer ring register failed %d\n", ret);
		return 1;
	}

	ret = io_uring_free_buf_ring(&ring, br, 32, bgid);
	if (ret) {
		fprintf(stderr, "Buffer ring register failed %d\n", ret);
		return 1;
	}

	ret = io_uring_unregister_buf_ring(&ring, bgid);
	if (ret != -EINVAL && ret != -ENOENT) {
		fprintf(stderr, "Buffer ring register failed %d\n", ret);
		return 1;
	}

	io_uring_queue_exit(&ring);
	return 0;
}

static int test_reg_unreg(int bgid)
{