diff --git a/exec/logsys.c b/exec/logsys.c
index dc383522..30b65986 100644
--- a/exec/logsys.c
+++ b/exec/logsys.c
@@ -1466,3 +1466,8 @@ void logsys_atexit (void)
 		pthread_join (logsys_thread_id, NULL);
 	}
 }
+
+void logsys_flush (void)
+{
+	wthread_signal ();
+}
diff --git a/include/corosync/engine/logsys.h b/include/corosync/engine/logsys.h
index ca62732d..7071f298 100644
--- a/include/corosync/engine/logsys.h
+++ b/include/corosync/engine/logsys.h
@@ -150,6 +150,8 @@ extern void logsys_atexit (void);
 /*
  * External API - misc
  */
+extern void logsys_flush (void);
+
 extern int logsys_log_rec_store (const char *filename);
 
 /*