Method add_done_callback

src/python/cli/src/mesos/futures.py:74–87

(self, fn)

                return None

        def add_done_callback(self, fn):
            run = False
            with self._lock:
                if self._done:
                    run = True
                else:
                    self._callbacks.append(fn)
            if run:
                try:
                    fn(self)
                except:
                    # TODO(benh): Log if Exception, but semantics tell
                    # us to ignore regardless.
                    pass

        def set_result(self, result):
            with self._lock: