diff options
| -rw-r--r-- | libs/ardour/port.cc | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/libs/ardour/port.cc b/libs/ardour/port.cc index efdd297f5e..4ae9b03c3b 100644 --- a/libs/ardour/port.cc +++ b/libs/ardour/port.cc @@ -51,6 +51,10 @@ Port::Port (std::string const & n, DataType t, Flags f) assert (_name.find_first_of (':') == std::string::npos); + if (!_engine->connected()) { + throw failed_constructor (); + } + if ((_jack_port = jack_port_register (_engine->jack (), _name.c_str (), t.to_jack_type (), _flags, 0)) == 0) { throw failed_constructor (); } |