- /* Otherwise treat it as cg spec */
- r = cg_split_spec(path, &c, &p);
+ return 0;
+}
+
+int cg_path_decode_unit(const char *cgroup, char **unit){
+ char *e, *c, *s;
+
+ assert(cgroup);
+ assert(unit);
+
+ e = strchrnul(cgroup, '/');
+ c = strndupa(cgroup, e - cgroup);
+ c = cg_unescape(c);
+
+ if (!unit_name_is_valid(c, TEMPLATE_INVALID))
+ return -EINVAL;
+
+ s = strdup(c);
+ if (!s)
+ return -ENOMEM;
+
+ *unit = s;
+ return 0;
+}
+
+static const char *skip_slices(const char *p) {
+ /* Skips over all slice assignments */
+
+ for (;;) {
+ size_t n;
+
+ p += strspn(p, "/");
+
+ n = strcspn(p, "/");
+ if (n <= 6 || memcmp(p + n - 6, ".slice", 6) != 0)
+ return p;
+
+ p += n;
+ }
+}
+
+int cg_path_get_unit(const char *path, char **unit) {
+ const char *e;
+
+ assert(path);
+ assert(unit);
+
+ e = skip_slices(path);
+
+ return cg_path_decode_unit(e, unit);
+}
+
+int cg_pid_get_unit(pid_t pid, char **unit) {
+ _cleanup_free_ char *cgroup = NULL;
+ int r;
+
+ assert(unit);
+
+ r = cg_pid_get_path_shifted(pid, NULL, &cgroup);