nspawn: skip symlink to a combined cgroup hierarchy if it already exists

[elogind.git] / src / shared / util.h

diff --git a/src/shared/util.h b/src/shared/util.h
index bfa3e44..b4e0b77 100644 (file)
--- a/src/shared/util.h
+++ b/src/shared/util.h
@@ -405,6 +405,7 @@ bool machine_name_is_valid(const char *s) _pure_;
 
 char* strshorten(char *s, size_t l);
 
+int symlink_idempotent(const char *from, const char *to);
 
 int symlink_atomic(const char *from, const char *to);
 int mknod_atomic(const char *path, mode_t mode, dev_t dev);