###### (This is the documentation for SDL3, which is under heavy development and the API is changing! [SDL2](https://wiki.libsdl.org/SDL2/) is the current stable version!)
# SDL_LockSpinlock

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

## Header File

Defined in [<SDL3/SDL_atomic.h>](https://github.com/libsdl-org/SDL/blob/main/include/SDL3/SDL_atomic.h)

## Syntax

```c
void SDL_LockSpinlock(SDL_SpinLock *lock);

```

## Function Parameters

|              |                              |
| ------------ | ---------------------------- |
| **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 3.0.0.

## See Also

- [SDL_TryLockSpinlock](SDL_TryLockSpinlock)
- [SDL_UnlockSpinlock](SDL_UnlockSpinlock)

----
[CategoryAPI](CategoryAPI), [CategoryAPIFunction](CategoryAPIFunction), [CategoryAtomic](CategoryAtomic)