(This is the documentation for SDL3, which is under heavy development and the API is changing! SDL2 is the current stable version!)

SDL_AtomicCASPtr

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

Syntax

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

Function Parameters

a	a pointer to a pointer
oldval	the old pointer value
newval	the new pointer value

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 3.0.0.

Related Functions

• SDL_AtomicCAS
• SDL_AtomicGetPtr
• SDL_AtomicSetPtr

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CategoryAPI, CategoryAtomic

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