SDL_AtomicCAS

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

Header File

Defined in SDL_atomic.h

Syntax

SDL_bool SDL_AtomicCAS(SDL_atomic_t *a, int oldval, int newval);

Function Parameters

SDL_atomic_t * a a pointer to an SDL_atomic_t variable to be modified.
int oldval the old value.
int newval the new value.

Return Value

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

Remarks

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

Version

This function is available since SDL 2.0.0.

See Also


CategoryAPI, CategoryAPIFunction, CategoryAtomic