(This is the documentation for SDL3, which is under heavy development and the API is changing! SDL2 is the current stable version!)

SDL_AtomicAdd

Add to an atomic variable.

Syntax

int SDL_AtomicAdd(SDL_AtomicInt *a, int v);

Function Parameters

a a pointer to an SDL_AtomicInt variable to be modified
v the desired value to add

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.


CategoryAPI, CategoryAtomic