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

SDL_LockSpinlock

Lock a spin lock by setting it to a non-zero value.

Header File

Defined in <SDL3/SDL_atomic.h>

Syntax

void SDL_LockSpinlock(SDL_SpinLock *lock);

Function Parameters

SDL_SpinLock *

lock

a pointer to a lock variable.

Remarks

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

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_TryLockSpinlock
• SDL_UnlockSpinlock

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CategoryAPI, CategoryAPIFunction, CategoryAtomic

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