Function test_wait_arg

test/reg-wait.c:198–263

}

static int test_wait_arg(void)
{
	struct io_uring_region_desc rd = {};
	struct io_uring_mem_region_reg mr = {};
	struct io_uring ring;
	void *buffer;
	int ret;

	ret = io_uring_queue_init(8, &ring, IORING_SETUP_R_DISABLED);
	if (ret) {
		if (ret == -EINVAL) {
			printf("IORING_SETUP_R_DISABLED not supported, skip\n");
			return 0;
		}
		fprintf(stderr, "ring setup failed: %d\n", ret);
		return T_EXIT_FAIL;
	}

	buffer = t_aligned_alloc(page_size, page_size * 4);
	if (!buffer) {
		fprintf(stderr, "allocation failed\n");
		return T_EXIT_FAIL;
	}

	rd.user_addr = uring_ptr_to_u64(buffer);
	rd.size = page_size;
	rd.flags = IORING_MEM_REGION_TYPE_USER;
	mr.region_uptr = uring_ptr_to_u64(&rd);
	mr.flags = IORING_MEM_REGION_REG_WAIT_ARG;

	ret = io_uring_register_region(&ring, &mr);
	if (ret) {
		fprintf(stderr, "region reg failed %i\n", ret);
		return 1;
	}

	ret = io_uring_enable_rings(&ring);
	if (ret) {
		fprintf(stderr, "io_uring_enable_rings failure %i\n", ret);
		return T_EXIT_FAIL;
	}

	reg = buffer;

	ret = test_basic(&ring);
	if (ret == T_EXIT_FAIL) {
		fprintf(stderr, "test failed\n");
		goto err;
	}

	ret = test_invalid_sig(&ring);
	if (ret == T_EXIT_FAIL) {
		fprintf(stderr, "test_invalid sig failed\n");
		goto err;
	}

	ret = test_offsets(&ring, buffer, page_size, true);
	if (ret == T_EXIT_FAIL) {