cgroup: try harder to find a unit a PID belongs to by traversing through parent cgroups

[elogind.git] / src / dbus-target.c

diff --git a/src/dbus-target.c b/src/dbus-target.c
index fb84430b21445a6f996ecbb268cd7392bffedf99..6307c182cdbe044c73d4b3806a016ac5329ac4eb 100644 (file)
--- a/src/dbus-target.c
+++ b/src/dbus-target.c
@@ -19,6 +19,8 @@
   along with systemd; If not, see <http://www.gnu.org/licenses/>.
 ***/
 
+#include <errno.h>
+
 #include "dbus-unit.h"
 #include "dbus-target.h"