---
name: "SDL_DelayNS"
section: "3"
platform: "linux"
package: "libsdl3-doc"
version: "3.2.10+ds-1"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/SDL_DelayNS"
---

# SDL\_DelayNS(3)

Wait a specified number of nanoseconds before returning.

## NAME

SDL\_DelayNS - Wait a specified number of nanoseconds before returning.

## HEADER FILE

Defined in SDL3/SDL\_timer.h

## SYNOPSIS

```
#include "SDL3/SDL.h"
```

**void SDL\_DelayNS(Uint64 ns);**

## DESCRIPTION

This function waits a specified number of nanoseconds before returning. It waits at least the specified time, but possibly longer due to OS scheduling.

## FUNCTION PARAMETERS

- *ns*

  the number of nanoseconds to delay.

## THREAD SAFETY

It is safe to call this function from any thread.

## AVAILABILITY

This function is available since SDL 3.2.0.

## SEE ALSO

**•**(3), [**SDL\_Delay**(3)](/SDL_Delay/3.md), **•**(3), [**SDL\_DelayPrecise**(3)](/SDL_DelayPrecise/3.md)