diff --git a/src/db/callback.c b/src/db/callback.c
index 9b4e87f84..600981038 100644
--- a/src/db/callback.c
+++ b/src/db/callback.c
@@ -143,7 +143,6 @@ static void wdCallback(void *pind)
     int ind = *(int *)pind;
     taskwdRemove(callbackTaskId[ind]);
     if(!callbackRestart)return;
-    threadDestroy(callbackTaskId[ind]);
     semBinaryDestroy(callbackSem[ind]);
     ringDelete(callbackQ[ind]);
     start(ind);
@@ -166,5 +165,14 @@ void callbackRequestProcessCallback(CALLBACK *pCallback,
     callbackSetUser(pRec, pCallback);
     callbackRequest(pCallback);
 }
+
+void callbackRequestDelayed(CALLBACK *pCallback,double seconds)
+{
+    printf("callbackRequestDelayed not yet implemented\n");
+}
 
-
+void callbackRequestProcessCallbackDelayed(CALLBACK *pCallback,
+    int Priority, void *pRec,double seconds)
+{
+    printf("callbackRequestDelayed not yet implemented\n");
+}
diff --git a/src/db/callback.h b/src/db/callback.h
index 04f42d5e4..a8cb9542f 100644
--- a/src/db/callback.h
+++ b/src/db/callback.h
@@ -65,14 +65,19 @@ typedef void (*CALLBACKFUNC)();
 
 #ifdef __STDC__
 long callbackInit();
-void callbackRequest(CALLBACK *);
+void callbackRequest(CALLBACK *pCallback);
 void callbackRequestProcessCallback(CALLBACK *pCallback,
 	int Priority, void *pRec);
+void callbackRequestDelayed(CALLBACK *pCallback,double seconds);
+void callbackRequestProcessCallbackDelayed(CALLBACK *pCallback,
+	int Priority, void *pRec,double seconds);
 int callbackSetQueueSize(int size);
 #else
 long callbackInit();
 void callbackRequest();
 void callbackRequestProcessCallback();
+void callbackRequestDelayed();
+void callbackRequestProcessCallbackDelayed();
 int callbackSetQueueSize();
 #endif /*__STDC__*/