+
+# ------------------------------------------------------------------------------
+# Find running cgroup controller
+with_cgroupctrl=
+AS_IF( [test -f /proc/self/cgroup], [
+ # If the init system is a cgroup controler, it will be position 1.
+ # Secondary controllers, like cgmanager, do not work.
+ with_cgroupctrl=`grep "^1:name=" /proc/self/cgroup | cut -d ':' -f 2`
+ AS_IF( [test -z "$with_cgroupctrl"], [
+ # Try to be our own cgroup controller
+ with_cgroupctrl="name=elogind"
+ ])
+])
+AS_IF( [test -z "$with_cgroupctrl"],
+ AC_MSG_ERROR([No running cgroup controller found]))
+
+