LockExtensions.cs

///<summary>Allows slim locks to be requesed using(LOCK.WriteLock()){ ... } syntax</summary>
public static class LockExtensions
{
	public class DisposableCallback : IDisposable
	{
		public void Dispose ()
		{
			_callback ();
		}

		Action _callback;

		public DisposableCallback (Action callback)
		{
			_callback = callback;
		}
	}

	public static IDisposable WriteLock (this ReaderWriterLockSlim readWriteLock)
	{
		readWriteLock.EnterWriteLock ();
		return new DisposableCallback (readWriteLock.ExitWriteLock);
	}

	public static IDisposable UpgradeableLock (this ReaderWriterLockSlim readWriteLock)
	{
		readWriteLock.EnterUpgradeableReadLock ();
		return new DisposableCallback (readWriteLock.ExitUpgradeableReadLock);
	}

	public static IDisposable ReadLock (this ReaderWriterLockSlim readWriteLock)
	{
		readWriteLock.EnterReadLock ();
		return new DisposableCallback (readWriteLock.ExitReadLock);
	}
}