Method ~DirectSession

tensorflow/core/common_runtime/direct_session.cc:923–954

}

DirectSession::~DirectSession() {
  if (!closed_) Close().IgnoreError();
  for (auto& it : partial_runs_) {
    it.second.reset(nullptr);
  }
  for (auto& it : executors_) {
    it.second.reset();
  }
  callables_.clear();
  for (auto d : device_mgr_->ListDevices()) {
    d->op_segment()->RemoveHold(session_handle_);
  }
  functions_.clear();
  delete cancellation_manager_;
  for (const auto& p_and_owned : thread_pools_) {
    if (p_and_owned.second) delete p_and_owned.first;
  }
  
  for (const auto& p_inter_and_intra : stage_subgraph_thread_pools_) {
    delete p_inter_and_intra.first;
    delete p_inter_and_intra.second;
  }

  execution_state_.reset(nullptr);
  flib_def_.reset(nullptr);

  delete device_mgr_;

  if (multi_stream_shared_rmgr_) {
    delete multi_stream_shared_rmgr_;
  }
}

Status DirectSession::Create(const GraphDef& graph) {
  return Create(GraphDef(graph));