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

SDL_AtomicUnlock

Unlock a spin lock by setting it to 0.

Header File

Defined in SDL_atomic.h, but apps should only #include "SDL.h"!

Syntax

void SDL_AtomicUnlock(SDL_SpinLock *lock);

Function Parameters

lock	a pointer to a lock variable

Remarks

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!

Version

This function is available since SDL 2.0.0.

See Also

• SDL_AtomicLock
• SDL_AtomicTryLock

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CategoryAPI, CategoryAPIFunction

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