(This is the documentation for SDL3, which is the current stable version. SDL2 was the previous version!)

SDL_SetAtomicU32

Set an atomic variable to a value.

Header File

Defined in <SDL3/SDL_atomic.h>

Syntax

Uint32 SDL_SetAtomicU32(SDL_AtomicU32 *a, Uint32 v);

Function Parameters

SDL_AtomicU32 *	a	a pointer to an SDL_AtomicU32 variable to be modified.
Uint32	v	the desired value.

Return Value

(Uint32) Returns the previous value of the atomic variable.

Remarks

This function also acts as a full memory barrier.

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

Thread Safety

It is safe to call this function from any thread.

Version

This function is available since SDL 3.1.3.

See Also

• SDL_GetAtomicU32

---

CategoryAPI, CategoryAPIFunction, CategoryAtomic

[ front page | index | search | recent changes | git repo | offline html ]

All wiki content is licensed under Creative Commons Attribution 4.0 International (CC BY 4.0).
Wiki powered by ghwikipp.