1 files changed, 4 insertions, 0 deletions
diff --git a/src/grp-system/libcore/unit.h b/src/grp-system/libcore/unit.h
index 72ceed1fef..3e25bfd32a 100644
--- a/src/grp-system/libcore/unit.h
+++ b/src/grp-system/libcore/unit.h
@@ -37,6 +37,7 @@ typedef struct UnitVTable UnitVTable;
 
 typedef enum KillOperation {
         KILL_TERMINATE,
+        KILL_TERMINATE_AND_LOG,
         KILL_KILL,
         KILL_ABORT,
         _KILL_OPERATION_MAX,
@@ -163,6 +164,9 @@ struct Unit {
          * process SIGCHLD for */
         Set *pids;
 
+        /* Used in sigchld event invocation to avoid repeat events being invoked */
+        uint64_t sigchldgen;
+
         /* Used during GC sweeps */
         unsigned gc_marker;