Index: src/libcfa/concurrency/monitor
===================================================================
--- src/libcfa/concurrency/monitor	(revision 121c3c0003922888a1da2c28f57ef5402e2c2760)
+++ src/libcfa/concurrency/monitor	(revision 522363e8799469eb8e37c765e3c5d28f46066d9a)
@@ -103,4 +103,5 @@
 	unsigned short count;
 	monitor_desc ** monitors;
+	bool is_dtor;
 };