+void
+MidiDiskstream::set_record_safe (bool yn)
+{
+ if (!recordable() || !_session.record_enabling_legal() || _io->n_ports().n_midi() == 0) { // REQUIRES REVIEW
+ return;
+ }
+
+ /* yes, i know that this not proof against race conditions, but its
+ good enough. i think.
+ */
+
+ if (record_safe () != yn) {
+ if (yn) {
+ engage_record_safe ();
+ } else {
+ disengage_record_safe ();
+ }
+
+ RecordSafeChanged (); /* EMIT SIGNAL */
+ }
+}
+