> ## Documentation Index
> Fetch the complete documentation index at: https://devdocs.xbox.com/llms.txt
> Use this file to discover all available pages before exploring further.

# XThread

> XThread

# XThread

Reference material for XThread APIs.

## Functions

| Function                                                                                           | Description                                                       |
| -------------------------------------------------------------------------------------------------- | ----------------------------------------------------------------- |
| [XThreadAssertNotTimeSensitive](/reference/system/xthread/functions/xthreadassertnottimesensitive) | Asserts whether the calling thread is marked as time sensitive.   |
| [XThreadIsTimeSensitive](/reference/system/xthread/functions/xthreadistimesensitive)               | Indicates whether the calling thread is marked as time-sensitive. |
| [XThreadSetTimeSensitive](/reference/system/xthread/functions/xthreadsettimesensitive)             | Sets or clears a thread as time-sensitive.                        |

## Conceptual documentation

* [Time-sensitive threads](https://learn.microsoft.com/gaming/gdk/docs/gdk-dev/console-dev/overviews/threads/time-sensitive-threads)
* [Using C# wrappers for GDK APIs in your Unity project](/build/gdk-and-engines/unity/unity-api-wrappers)

## See also

[System API reference](/reference/system/gc-reference-system-toc)
[Time sensitive threads](https://learn.microsoft.com/gaming/gdk/docs/gdk-dev/console-dev/overviews/threads/time-sensitive-threads)


## Related topics

- [XThreadIsTimeSensitive](/reference/system/xthread/functions/xthreadistimesensitive.md)
- [XThreadSetTimeSensitive](/reference/system/xthread/functions/xthreadsettimesensitive.md)
- [XThreadAssertNotTimeSensitive](/reference/system/xthread/functions/xthreadassertnottimesensitive.md)
- [XGameRuntimeFeature](/reference/system/xgameruntimefeature/enums/xgameruntimefeature.md)
- [System API reference](/reference/system/gc-reference-system-toc.md)