framepos_t end = now + nframes;
framecnt_t offset = 0;
- Glib::Mutex::Lock lm (control_lock(), Glib::TRY_LOCK);
+ Glib::Threads::Mutex::Lock lm (control_lock(), Glib::Threads::TRY_LOCK);
if (!lm.locked()) {
connect_and_run (bufs, nframes, offset, false);