# PrepareUndisposable(ref AtomicSafetyHandle)

> Marks an AtomicSafetyHandle so that it can't be disposed of.

## Definition

* **Type:** Method
* **Namespace:** [Unity.Collections.LowLevel.Unsafe](/engine/6000.5/script-reference/unity/collections/lowlevel/unsafe.md)
* **Assembly:** UnityEngine.CoreModule

## PrepareUndisposable(AtomicSafetyHandle)

```csharp
public static void PrepareUndisposable(ref AtomicSafetyHandle handle)
```

### Parameters

**** (\[AtomicSafetyHandle]\(/engine/6000.5/script-reference/unity/collections/lowlevel/unsafe/atomicsafetyhandle)): The AtomicSafetyHandle to mark.