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


Unlock a spin lock by setting it to 0.

Header File

Defined in <SDL3/SDL_atomic.h>


void SDL_UnlockSpinlock(SDL_SpinLock *lock);

Function Parameters

SDL_SpinLock * lock a pointer to a lock variable.


Always returns immediately.

Please note that spinlocks are dangerous if you don't know what you're doing. Please be careful using any sort of spinlock!


This function is available since SDL 3.0.0.

See Also

CategoryAPI, CategoryAPIFunction, CategoryAtomic

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