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-rw-r--r--src/cgroup.c46
1 files changed, 43 insertions, 3 deletions
diff --git a/src/cgroup.c b/src/cgroup.c
index 9aff02e7bc..182dd59eec 100644
--- a/src/cgroup.c
+++ b/src/cgroup.c
@@ -355,15 +355,55 @@ void manager_shutdown_cgroup(Manager *m, bool delete) {
m->cgroup_hierarchy = NULL;
}
+int cgroup_bonding_get(Manager *m, const char *cgroup, CGroupBonding **bonding) {
+ CGroupBonding *b;
+ char *p;
+
+ assert(m);
+ assert(cgroup);
+ assert(bonding);
+
+ b = hashmap_get(m->cgroup_bondings, cgroup);
+ if (!b) {
+ *bonding = b;
+ return 1;
+ }
+
+ p = strdup(cgroup);
+ if (!p)
+ return -ENOMEM;
+
+ for (;;) {
+ char *e;
+
+ e = strrchr(p, '/');
+ if (!e || e == p) {
+ free(p);
+ *bonding = NULL;
+ return 0;
+ }
+
+ *e = 0;
+
+ b = hashmap_get(m->cgroup_bondings, p);
+ if (b) {
+ free(p);
+ *bonding = b;
+ return 1;
+ }
+ }
+}
+
int cgroup_notify_empty(Manager *m, const char *group) {
CGroupBonding *l, *b;
+ int r;
assert(m);
assert(group);
- l = hashmap_get(m->cgroup_bondings, group);
- if (!l)
- return 0;
+ r = cgroup_bonding_get(m, group, &l);
+ if (r <= 0)
+ return r;
LIST_FOREACH(by_path, b, l) {
int t;