Add to an atomic variable.
<syntaxhighlight lang="c"> int SDL_AtomicAdd(SDL_atomic_t *a, int v); </syntaxhighlight>
| a | a pointer to an SDL_atomic_t variable to be modified |
| v | the desired value to add |
Returns the previous value of the atomic variable.
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!
This function is available since SDL 2.0.2.
CategoryAPI, CategoryAtomic