return nullptr;
      }
    }
    return lib_handle;
  }
#endif
}

void TF_DeletePluggableDeviceLibraryHandle(TF_Library* lib_handle) {
  delete lib_handle;
}

void TF_GraphRemoveFunction(TF_Graph* g, const char* func_name,
                            TF_Status* status) {
  tensorflow::mutex_lock l(g->mu);
  status->status = g->graph.mutable_flib_def()->RemoveFunction(func_name);