C++ (Cpp) kdev_to_odev Examples

Example #1

File: file_locks01.c Project: cyrillos/criu

int main(int argc, char **argv)
{
	int fd_0, fd_1, fd_2, ret = 0;

	test_init(argc, argv);

	m = get_cwd_mnt_info();
	if (!m) {
		pr_perror("Can't fetch mountinfo");
		return -1;
	}
	if (!strcmp(m->fsname, "btrfs"))
		m->s_dev = kdev_to_odev(m->s_dev);

	if (open_all_files(&fd_0, &fd_1, &fd_2))
		return -1;

	flock(fd_0, LOCK_SH);
	flock(fd_1, LOCK_EX);
	flock(fd_2, LOCK_MAND | LOCK_READ);

	test_daemon();
	test_waitsig();

	if (check_file_lock(fd_0, "ADVISORY", "READ", dev, inodes[0])) {
		fail("Failed on fd %d", fd_0);
		ret |= 1;
	}
	if (check_file_lock(fd_1, "ADVISORY", "WRITE", dev, inodes[1])) {
		fail("Failed on fd %d", fd_1);
		ret |= 1;
	}
	if (check_file_lock(fd_2, "MSNFS", "READ", dev, inodes[2])) {
		fail("Failed on fd %d", fd_2);
		ret |= 1;
	}

	if (!ret)
		pass();

	close(fd_0);
	close(fd_1);
	close(fd_2);
	unlink(file0);
	unlink(file1);
	unlink(file2);

	return ret;
}

Example #2

File: file_locks01.c Project: 0x7f454c46/criu-1

int main(int argc, char **argv)
{
	int fd_0, fd_1, fd_2;

	test_init(argc, argv);

	m = get_cwd_mnt_info();
	if (!m) {
		pr_perror("Can't fetch mountinfo");
		return -1;
	}
	if (!strcmp(m->fsname, "btrfs"))
		m->s_dev = kdev_to_odev(m->s_dev);

	if (open_all_files(&fd_0, &fd_1, &fd_2))
		return -1;

	flock(fd_0, LOCK_SH);
	flock(fd_1, LOCK_EX);
	flock(fd_2, LOCK_MAND | LOCK_READ);

	test_daemon();
	test_waitsig();

	if (check_file_locks())
		fail("Flock file locks check failed");
	else
		pass();

	close(fd_0);
	close(fd_1);
	close(fd_2);
	unlink(file0);
	unlink(file1);
	unlink(file2);

	return 0;
}