# SEMAPHORE_CREATE_EXCLUSIVE

`import { SEMAPHORE_CREATE_EXCLUSIVE } from "destack:ipc/binding";`

Create the semaphore only when it does not already exist.

```ds title="SEMAPHORE_CREATE_EXCLUSIVE"
const SEMAPHORE_CREATE_EXCLUSIVE: SemaphoreFlags
```

[language/library/src/ipc/binding/semaphore.ds:11](https://github.com/destack-sh/destack/blob/main/language/library/src/ipc/binding/semaphore.ds#L11)