151       fd_(fd),  in FileHandle()
207   auto ret = std::make_unique<TransferData>(fd_);  in TransferForMessaging()
212 FileHandle::TransferData::TransferData(int fd) : fd_(fd) {}  in TransferData()
215   if (fd_ > 0) {  in ~TransferData()
217     CHECK_EQ(0, uv_fs_close(nullptr, &close_req, fd_, nullptr));  in ~TransferData()
229   int fd = fd_;  in Deserialize()
230   fd_ = -1;  in Deserialize()
241   int ret = uv_fs_close(env()->event_loop(), &req, fd_, nullptr);  in Close()
246   err_detail detail { ret, fd_ };  in Close()
374     int ret = req->Dispatch(uv_fs_close, fd_, AfterClose);  in ClosePromise()
407   fd_ = -1;  in AfterClose()
475                           fd_,  in ReadStart()
551   wrap->Dispatch(uv_fs_close, fd_, uv_fs_callback_t{[](uv_fs_t* req) {  in DoShutdown()