SDL Wiki
(This is the legacy documentation for stable SDL2, the current stable version; SDL3 is the current development version.)


Set a pointer to a new value if it is currently an old value.


SDL_bool SDL_AtomicCASPtr(void **a, void *oldval, void *newval);

Function Parameters

a a pointer to a pointer
oldval the old pointer value
newval the new pointer value

Return 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.


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