Set a pointer to a new value if it is currently an old value.
<syntaxhighlight lang="c"> SDL_bool SDL_AtomicCASPtr(void **a, void *oldval, void *newval); </syntaxhighlight>
| a | a pointer to a pointer |
| oldval | the old pointer value |
| newval | the new pointer value |
Returns SDL_TRUE if the pointer was set, SDL_FALSE otherwise.
Note: If you don't know what this function is for, you shouldn't use it!
This function is available since SDL 2.0.0.
CategoryAPI, CategoryAtomic