cgroup-util: Add cg_version() to get the raw CGroupUnified enum

2 files changed, 12 insertions, 0 deletions

diff --git a/src/basic/cgroup-util.c b/src/basic/cgroup-util.c
index 76aac86142..add784417b 100644
--- a/src/basic/cgroup-util.c
+++ b/src/basic/cgroup-util.c
@@ -2535,6 +2535,17 @@ int cg_unified_flush(void) {
         return cg_unified_update();
 }
 
+int cg_version(CGroupUnified *ver) {
+        int r;
+
+        r = cg_unified_update();
+        if (r < 0)
+                return r;
+
+        *ver = unified_cache;
+        return 0;
+}
+
 int cg_enable_everywhere(CGroupMask supported, CGroupMask mask, const char *p) {
         _cleanup_fclose_ FILE *f = NULL;
         _cleanup_free_ char *fs = NULL;
diff --git a/src/basic/cgroup-util.h b/src/basic/cgroup-util.h
index c9e11f3b78..82999337db 100644
--- a/src/basic/cgroup-util.h
+++ b/src/basic/cgroup-util.h
@@ -232,6 +232,7 @@ int cg_all_unified(void);
 int cg_hybrid_unified(void);
 int cg_unified_controller(const char *controller);
 int cg_unified_flush(void);
+int cg_version(CGroupUnified *ver);
 
 bool cg_is_unified_wanted(void);
 bool cg_is_legacy_wanted(void);