Function main

test/fadvise.c:138–185

}

int main(int argc, char *argv[])
{
	struct io_uring ring;
	int ret, i, good, bad;
	char *fname;

	if (argc > 1) {
		fname = argv[1];
	} else {
		fname = ".fadvise.tmp";
		t_create_file(fname, FILE_SIZE);
	}
	if (io_uring_queue_init(8, &ring, 0)) {
		fprintf(stderr, "ring creation failed\n");
		goto err;
	}

	good = bad = 0;
	for (i = 0; i < LOOPS; i++) {
		ret = test_fadvise(&ring, fname);
		if (ret == T_EXIT_SKIP)
			return T_EXIT_SKIP;
		if (ret == 1) {
			fprintf(stderr, "read_fadvise failed\n");
			goto err;
		} else if (!ret)
			good++;
		else if (ret == 2)
			bad++;
		if (i >= MIN_LOOPS && !bad)
			break;
	}

	/* too hard to reliably test, just ignore */
	if ((0) && bad > good) {
		fprintf(stderr, "Suspicious timings\n");
		goto err;
	}

	if (fname != argv[1])
		unlink(fname);
	io_uring_queue_exit(&ring);
	return T_EXIT_PASS;
err:
	if (fname != argv[1])
		unlink(fname);
	return T_EXIT_FAIL;
}