+ struct GNUNET_TESTBED_Operation
+ *operation);
+
+
+/**
+ * Marks the given operation as waiting on the queues. Once all queues permit
+ * the operation to become active, the operation will be activated. The actual
+ * activation will occur in a separate task (thus allowing multiple queue
+ * insertions to be made without having the first one instantly trigger the
+ * operation if the first queue has sufficient resources).
+ *
+ * @param operation the operation to marks as waiting
+ */
+void
+GNUNET_TESTBED_operation_begin_wait_ (struct GNUNET_TESTBED_Operation
+ *operation);