gst_bus_add_signal_watch 1056 gst/gstbus.c     gst_bus_add_signal_watch (bus);
gst_bus_add_signal_watch  183 gst/gstbus.h   void                    gst_bus_add_signal_watch        (GstBus * bus);
gst_bus_add_signal_watch  312 tests/check/gst/gstbus.c   gst_bus_add_signal_watch (test_bus);
gst_bus_add_signal_watch   92 tests/examples/manual/query.c   gst_bus_add_signal_watch (bus);