parameters: (self, frame_data)
docstring: Appends incoming frame data. Called when mux_handler dispatches
          frame data to the corresponding application.
  
          Args:
              frame_data: incoming frame data.
docstring_summary: Appends incoming frame data. Called when mux_handler dispatches
          frame data to the corresponding application.
docstring_tokens: Appends incoming frame data . Called when mux_handler dispatches frame data to the corresponding application .
function: def append_frame_data(self, frame_data):
          """Appends incoming frame data. Called when mux_handler dispatches
          frame data to the corresponding application.
  
          Args:
              frame_data: incoming frame data.
          """
  
          self._read_condition.acquire()
          self._incoming_data += frame_data
          self._read_condition.notify()
          self._read_condition.release()
function_tokens: def append_frame_data ( self , frame_data ) : self . _read_condition . acquire ( ) self . _incoming_data += frame_data self . _read_condition . notify ( ) self . _read_condition . release ( )