2 files changed, 6 insertions, 1 deletions
diff --git a/libdimension/dimension/timer.h b/libdimension/dimension/timer.h
index 0a1fde9..bd72a90 100644
--- a/libdimension/dimension/timer.h
+++ b/libdimension/dimension/timer.h
@@ -28,6 +28,8 @@ typedef struct dmnsn_timer {
   double real;   /**< Wall-clock time. */
   double user;   /**< Time spent executing. */
   double system; /**< Time spent waiting for the system. */
+
+  dmnsn_refcount refcount; /**< @internal Reference count. */
 } dmnsn_timer;
 
 /** A standard format string for timers. */
diff --git a/libdimension/timer.c b/libdimension/timer.c
index 0e120ce..ad0fd9b 100644
--- a/libdimension/timer.c
+++ b/libdimension/timer.c
@@ -30,6 +30,7 @@ dmnsn_new_timer(void)
 {
   dmnsn_timer *timer = dmnsn_malloc(sizeof(dmnsn_timer));
   dmnsn_get_times(timer);
+  timer->refcount = 1;
   return timer;
 }
 
@@ -46,5 +47,7 @@ dmnsn_complete_timer(dmnsn_timer *timer)
 void
 dmnsn_delete_timer(dmnsn_timer *timer)
 {
-  dmnsn_free(timer);
+  if (DMNSN_DECREF(timer)) {
+    dmnsn_free(timer);
+  }
 }