NAME¶

SDL_CompareAndSwapAtomicU32 - 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"

bool SDL_CompareAndSwapAtomicU32(SDL_AtomicU32 *a, Uint32 oldval, Uint32 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_AtomicU32
variable to be modified.

oldval

the old value.

newval

the new value.

RETURN VALUE¶

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

THREAD SAFETY¶

It is safe to call this function from any thread.

AVAILABILITY¶

This function is available since SDL 3.1.3.

SEE ALSO¶

•(3), SDL_GetAtomicU32(3), •(3), SDL_SetAtomicU32(3)