Lazyfree: pending objects count in INFO output.

src/lazyfree.c

@@ -6,6 +6,11 @@
 static size_t lazyfree_objects = 0;
 pthread_mutex_t lazyfree_objects_mutex = PTHREAD_MUTEX_INITIALIZER;
 
+/* Return the number of currently pending objects to free. */
+size_t lazyfreeGetPendingObjectsCount(void) {
+    return lazyfree_objects;
+}
+
 /* Return the amount of work needed in order to free an object.
  * The return value is not always the actual number of allocations the
  * object is compoesd of, but a number proportional to it.