gistfile1.txt

using System;
using System.Threading;
using System.Threading.Tasks;
 
class MainClass {
	public static void Main (string [] args)
	{
		Test ();
	}
 
	public static void Test ()
	{
		const int tasksCount = 1000000;
		var tCount = 0;
 
		object o = new Object ();
		lock (o) {
			for (var i = 1; i < tasksCount; i++) {
				Task.Factory.StartNew(() => {
					lock (o) {
						 Interlocked.Increment (ref tCount);
					}});
 
				Console.WriteLine ("{0} {1}", i, tCount);
			}
		}
	}
}