AppVeyor.Common.AsyncManualResetEvent.Reset C# (CSharp) Method

        public void Reset()
        {
            while (true)
            {
                var tcs = m_tcs;
                if (!tcs.Task.IsCompleted ||
                    Interlocked.CompareExchange(ref m_tcs, new TaskCompletionSource<bool>(), tcs) == tcs)
                    return;
            }
        }