Man page - sdl_compareandswapatomicu32(3)

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SDL_CompareAndSwapAtomicU32 - Set an atomic variable to a new value if it is currently an old value.

Defined in SDL3/SDL_atomic.h

#include "SDL3/SDL.h"

bool SDL_CompareAndSwapAtomicU32(SDL_AtomicU32 *a, Uint32 oldval, Uint32 newval);

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

a pointer to an SDL_AtomicU32

variable to be modified.

	oldval		the old value.
	newval		the new value.

Returns true if the atomic variable was set, false otherwise.

It is safe to call this function from any thread.

This function is available since SDL 3.2.0.