DOKK / manpages / debian 13 / libsdl3-doc / SDL_CompareAndSwapAtomicPointer.3.en
SDL_CompareAndSwapAtomicPointer(3) SDL3 FUNCTIONS SDL_CompareAndSwapAtomicPointer(3)

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

Defined in SDL3/SDL_atomic.h

#include "SDL3/SDL.h"
bool SDL_CompareAndSwapAtomicPointer(void **a, void *oldval, void *newval);

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

a pointer to a pointer.
the old pointer value.
the new pointer value.

Returns true if the pointer was set, false otherwise.

It is safe to call this function from any thread.

This function is available since SDL 3.2.0.

(3), SDL_CompareAndSwapAtomicInt(3), (3), SDL_GetAtomicPointer(3), (3), SDL_SetAtomicPointer(3)

SDL 3.2.10 Simple Directmedia Layer