###### (This is the documentation for SDL3, which is under heavy development and the API is changing! [SDL2](https://wiki.libsdl.org/SDL2/) is the current stable version!)
# SDL_AtomicSet

Set an atomic variable to a value.

## Header File

Defined in [<SDL3/SDL_atomic.h>](https://github.com/libsdl-org/SDL/blob/main/include/SDL3/SDL_atomic.h)

## Syntax

```c
int SDL_AtomicSet(SDL_AtomicInt *a, int v);

```

## Function Parameters

|           |                                                                        |
| --------- | ---------------------------------------------------------------------- |
| **a**     | a pointer to an [SDL_AtomicInt](SDL_AtomicInt) variable to be modified |
| **v**     | the desired value                                                      |

## Return Value

Returns the previous value of the atomic variable.

## Remarks

This function also acts as a full memory barrier.

***Note: If you don't know what this function is for, you shouldn't use
it!***

## Version

This function is available since SDL 3.0.0.

## See Also

* [SDL_AtomicGet](SDL_AtomicGet)

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[CategoryAPI](CategoryAPI), [CategoryAPIFunction](CategoryAPIFunction), [CategoryAtomic](CategoryAtomic)