diff --git a/apps/dsm/DSMCoreModule.h b/apps/dsm/DSMCoreModule.h
index b02f1d13..a15c48e1 100644
--- a/apps/dsm/DSMCoreModule.h
+++ b/apps/dsm/DSMCoreModule.h
@@ -171,6 +171,10 @@ class TestDSMCondition
 	     map<string,string>* event_params);
 };
 
+/** return string q with variables/params/selects replaced */
+string replaceParams(const string& q, AmSession* sess, DSMSession* sc_sess,
+		     map<string,string>* event_params);
+
 /** return string q with variables/params/selects replaced */
 string replaceParams(const string& q, AmSession* sess, DSMSession* sc_sess,
 		     map<string,string>* event_params);
diff --git a/apps/dsm/DSMSession.h b/apps/dsm/DSMSession.h
index fbc46b17..c2840926 100644
--- a/apps/dsm/DSMSession.h
+++ b/apps/dsm/DSMSession.h
@@ -111,6 +111,18 @@ using std::map;
     s->CLR_STRERROR;			\
   } while (0)
 
+#define SET_ERROR(s, errno, errstr)	\
+  do {					\
+    s->SET_ERRNO(errno);		\
+    s->SET_STRERROR(errstr);		\
+  } while (0)
+
+#define CLR_ERROR(s)			\
+  do {					\
+    s->CLR_ERRNO;			\
+    s->CLR_STRERROR;			\
+  } while (0)
+
 typedef map<string, string> VarMapT;
 typedef map<string, AmArg>  AVarMapT;