C++ (Cpp) fd_is_temporary_fs Examples

Example #1

File: stat-util.c Project: heftig/systemd

int path_is_temporary_fs(const char *path) {
        _cleanup_close_ int fd = -1;

        fd = open(path, O_RDONLY|O_CLOEXEC|O_NOCTTY|O_PATH);
        if (fd < 0)
                return -errno;

        return fd_is_temporary_fs(fd);
}

Example #2

File: test-cgroup-util.c Project: OpenDZ/systemd

static void test_fd_is_cgroup_fs(void) {
        int fd;

        fd = open("/sys/fs/cgroup", O_RDONLY|O_DIRECTORY|O_CLOEXEC|O_NOFOLLOW);
        assert_se(fd >= 0);
        if (fd_is_temporary_fs(fd)) {
                fd = safe_close(fd);
                fd = open("/sys/fs/cgroup/systemd", O_RDONLY|O_DIRECTORY|O_CLOEXEC|O_NOFOLLOW);
                assert_se(fd >= 0);
        }
        assert_se(fd_is_cgroup_fs(fd));
        fd = safe_close(fd);
}