# “LockSlimInFinalizer” (Solution)

## Answer

```
~Foo: start
Exception: SynchronizationLockException
~Foo: finish
```

## Explanation

A [SynchronizationLockException](http://msdn.microsoft.com/library/system.threading.synchronizationlockexception.aspx) will be thrown because the finalizer will be called from the GC thread.

[Problem](https://andreyakinshin.gitbook.io/problembookdotnet/en/multithreading/locksliminfinalizer-p)