(This is the legacy documentation for stable SDL2, the current stable version; SDL3 is the current development version.)

SDL_AtomicCASPtr

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

Header File

Defined in SDL_atomic.h

Syntax

SDL_bool SDL_AtomicCASPtr(void **a, void *oldval, void *newval);

Function Parameters

Return Value

Returns SDL_TRUE if the pointer 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

• SDL_AtomicCAS
• SDL_AtomicGetPtr
• SDL_AtomicSetPtr

CategoryAPI, CategoryAPIFunction, CategoryAtomic