Function test_skip

test/file-register.c:582–621

}

static int test_skip(struct io_uring *ring)
{
	int *files;
	int ret;

	files = open_files(100, 0, 0);
	ret = io_uring_register_files(ring, files, 100);
	if (ret) {
		fprintf(stderr, "%s: register ret=%d\n", __FUNCTION__, ret);
		goto err;
	}

	files[90] = IORING_REGISTER_FILES_SKIP;
	ret = io_uring_register_files_update(ring, 90, &files[90], 1);
	if (ret != 1) {
		if (ret == -EBADF) {
			fprintf(stdout, "Skipping files not supported\n");
			goto done;
		}
		fprintf(stderr, "%s: update ret=%d\n", __FUNCTION__, ret);
		goto err;
	}

	/* verify can still use file index 90 */
	if (test_fixed_read_write(ring, 90))
		goto err;

	ret = io_uring_unregister_files(ring);
	if (ret) {
		fprintf(stderr, "%s: unregister ret=%d\n", __FUNCTION__, ret);
		goto err;
	}

done:
	close_files(files, 100, 0);
	return 0;
err:
	close_files(files, 100, 0);
	return 1;
}

static int test_sparse_updates(void)
{