Index: src/libcfa/concurrency/monitor
===================================================================
--- src/libcfa/concurrency/monitor	(revision e5fccf454d054b5dedcbb2908d1ac9b763bab7d1)
+++ src/libcfa/concurrency/monitor	(revision e3e16bcf91a7300a6d1f71eaad04e2f3f498cfc2)
@@ -103,4 +103,5 @@
 	unsigned short count;
 	monitor_desc ** monitors;
+	bool is_dtor;
 };