core: introduce new RuntimeDirectory= and RuntimeDirectoryMode= unit settings

As discussed on the ML these are useful to manage runtime directories
below /run for services.

1 files changed, 7 insertions, 0 deletions

diff --git a/src/core/manager.c b/src/core/manager.c
index 9172a244ae..822c7ccfee 100644
--- a/src/core/manager.c
+++ b/src/core/manager.c
@@ -2851,3 +2851,10 @@ Set *manager_get_units_requiring_mounts_for(Manager *m, const char *path) {
 
         return hashmap_get(m->units_requiring_mounts_for, streq(p, "/") ? "" : p);
 }
+
+const char *manager_get_runtime_prefix(Manager *m) {
+
+        return m->running_as == SYSTEMD_SYSTEM ?
+               "/run" :
+               getenv("XDG_RUNTIME_DIR");
+}