From e025b4c306d4b0895786839ebbb934188edc6e61 Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Thu, 30 Jun 2011 02:41:01 +0200
Subject: [PATCH] unit: consider all cgroups in the name=systemd hierarchy,
 even when the user has specified an explicit path in it

---
 src/unit.c | 17 +++++++++++++----
 1 file changed, 13 insertions(+), 4 deletions(-)

diff --git a/src/unit.c b/src/unit.c
index 87b7edf14..e3687d473 100644
--- a/src/unit.c
+++ b/src/unit.c
@@ -1741,10 +1741,13 @@ int unit_add_cgroup(Unit *u, CGroupBonding *b) {
 
         assert(b->path);
 
-        if (!b->controller)
+        if (!b->controller) {
                 if (!(b->controller = strdup(SYSTEMD_CGROUP_CONTROLLER)))
                         return -ENOMEM;
 
+                b->ours = true;
+        }
+
         /* Ensure this hasn't been added yet */
         assert(!b->unit);
 
@@ -1789,6 +1792,7 @@ static char *default_cgroup_path(Unit *u) {
 int unit_add_cgroup_from_text(Unit *u, const char *name) {
         char *controller = NULL, *path = NULL;
         CGroupBonding *b = NULL;
+        bool ours = false;
         int r;
 
         assert(u);
@@ -1797,11 +1801,15 @@ int unit_add_cgroup_from_text(Unit *u, const char *name) {
         if ((r = cg_split_spec(name, &controller, &path)) < 0)
                 return r;
 
-        if (!path)
+        if (!path) {
                 path = default_cgroup_path(u);
+                ours = true;
+        }
 
-        if (!controller)
+        if (!controller) {
                 controller = strdup(SYSTEMD_CGROUP_CONTROLLER);
+                ours = true;
+        }
 
         if (!path || !controller) {
                 free(path);
@@ -1822,7 +1830,8 @@ int unit_add_cgroup_from_text(Unit *u, const char *name) {
 
         b->controller = controller;
         b->path = path;
-        b->ours = false;
+        b->ours = ours;
+        b->essential = streq(controller, SYSTEMD_CGROUP_CONTROLLER);
 
         if ((r = unit_add_cgroup(u, b)) < 0)
                 goto fail;
-- 
2.30.2