NAME¶

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

HEADER FILE¶

Defined in SDL3/SDL_atomic.h

SYNOPSIS¶

#include "SDL3/SDL.h"

SDL_bool SDL_AtomicCompareAndSwap(SDL_AtomicInt *a, int oldval, int newval);

DESCRIPTION¶

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

FUNCTION PARAMETERS¶

a

a pointer to an SDL_AtomicInt
variable to be modified.

oldval

the old value.

newval

the new value.

RETURN VALUE¶

( SDL_bool ) Returns SDL_TRUE
if the atomic variable was set, SDL_FALSE
otherwise.

THREAD SAFETY¶

It is safe to call this function from any thread.

AVAILABILITY¶

This function is available since SDL 3.0.0.

SEE ALSO¶

•(3), SDL_AtomicCompareAndSwapPointer(3)