# SERIAL_OPEN_EXCLUSIVE

`import { SERIAL_OPEN_EXCLUSIVE } from "destack:device/binding";`

Request exclusive access to the port.

```ds title="SERIAL_OPEN_EXCLUSIVE"
const SERIAL_OPEN_EXCLUSIVE: SerialOpenFlags
```

[language/library/src/device/binding/serial.ds:19](https://github.com/destack-sh/destack/blob/main/language/library/src/device/binding/serial.ds#L19)