prevent state saving when disconnected from JACK

git-svn-id: svn://localhost/ardour2/trunk@1406 d708f5d6-7413-0410-9779-e7cbd77b26cf

diff --git a/libs/ardour/session_state.cc b/libs/ardour/session_state.cc
index 3b66f65cecfd428a0c37a99fe0f8145eb2bd21be..42aac479a19bf8ddb2937f9d70adb2dd5b6fbef0 100644 (file)
--- a/libs/ardour/session_state.cc
+++ b/libs/ardour/session_state.cc
@@ -589,6 +589,12 @@ Session::save_state (string snapshot_name, bool pending)
                return 1;
        }
 
+       if (!_engine.connected ()) {
+               error << _("Ardour's audio engine is not connected and state saving would lose all I/O connections. Session not saved")
+                     << endmsg;
+               return 1;
+       }
+
        tree.set_root (&get_state());
 
        if (snapshot_name.empty()) {