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# “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](/problembookdotnet/en/multithreading/locksliminfinalizer-p.md)