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

SDL_AtomicLock

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

Header File

Defined in SDL_atomic.h

Syntax

void SDL_AtomicLock(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!

Version

This function is available since SDL 2.0.0.

See Also

• SDL_AtomicTryLock
• SDL_AtomicUnlock

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CategoryAPI, CategoryAPIFunction, CategoryAtomic

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