using System;
using System.Threading;

class Class1
{
	static LocalDataStoreSlot slot = Thread.AllocateDataSlot();

	~Class1()
	{
		Console.WriteLine("Finalizer");
	}

	static void Main(string[] args)
	{
		new Thread(new ThreadStart(ThreadProc)).Start();
		new Thread(new ThreadStart(ThreadProc2)).Start();
		Thread.Sleep(100);
		Thread.SetData(slot, new Class1());
	}

	static void ThreadProc2()
	{
		Thread.SetData(slot, new Class1());
	}

	static void ThreadProc()
	{
		for(;;)
		{
			Thread.Sleep(100);
			GC.Collect();
			GC.WaitForPendingFinalizers();
		}
	}
}