core/unit: fix unit_add_target_dependencies() for units with no dependencies

[elogind.git] / src / core / unit.h

diff --git a/src/core/unit.h b/src/core/unit.h
index c686aeccefda52913f5dde6d3d09ec9fd406ea0c..808929e64a134e56edc1aad5b68c696234bb5918 100644 (file)
--- a/src/core/unit.h
+++ b/src/core/unit.h
@@ -177,7 +177,8 @@ struct Unit {
 
         /* Counterparts in the cgroup filesystem */
         char *cgroup_path;
-        CGroupControllerMask cgroup_mask;
+        CGroupControllerMask cgroup_realized_mask;
+        CGroupControllerMask cgroup_subtree_mask;
         CGroupControllerMask cgroup_members_mask;
 
         UnitRef slice;
@@ -203,6 +204,11 @@ struct Unit {
         /* CGroup realize members queue */
         LIST_FIELDS(Unit, cgroup_queue);
 
+        /* PIDs we keep an eye on. Note that a unit might have many
+         * more, but these are the ones we care enough about to
+         * process SIGCHLD for */
+        Set *pids;
+
         /* Used during GC sweeps */
         unsigned gc_marker;
 
@@ -261,6 +267,8 @@ struct Unit {
         bool in_audit:1;
 
         bool cgroup_realized:1;
+        bool cgroup_members_mask_valid:1;
+        bool cgroup_subtree_mask_valid:1;
 };
 
 struct UnitStatusMessageFormats {
@@ -538,6 +546,10 @@ void unit_notify(Unit *u, UnitActiveState os, UnitActiveState ns, bool reload_su
 
 int unit_watch_pid(Unit *u, pid_t pid);
 void unit_unwatch_pid(Unit *u, pid_t pid);
+int unit_watch_all_pids(Unit *u);
+void unit_unwatch_all_pids(Unit *u);
+
+void unit_tidy_watch_pids(Unit *u, pid_t except1, pid_t except2);
 
 int unit_watch_bus_name(Unit *u, const char *name);
 void unit_unwatch_bus_name(Unit *u, const char *name);