diff options
| -rw-r--r-- | libs/ardour/route.cc | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/libs/ardour/route.cc b/libs/ardour/route.cc index 6a7ddde48b..d5a36481e5 100644 --- a/libs/ardour/route.cc +++ b/libs/ardour/route.cc @@ -2551,6 +2551,7 @@ Route::add_internal_return () void Route::add_send_to_internal_return (InternalSend* send) { + Glib::Mutex::Lock lm (AudioEngine::instance()->process_lock ()); Glib::RWLock::ReaderLock rm (_processor_lock); for (ProcessorList::const_iterator x = _processors.begin(); x != _processors.end(); ++x) { |