System.Net.SafeCloseHandle.SafeLocalFree.SafeGlobalFree.SafeOverlappedFree.SafeCloseSocket.SafeCloseSocket.CloseAsIs C# (CSharp) Method

        internal void CloseAsIs()
        {
            RuntimeHelpers.PrepareConstrainedRegions();
            try { }
            finally
            {
#if DEBUG
                // If this throws it could be very bad.
                try
                {
#endif
                InnerSafeCloseSocket innerSocket = m_InnerSocket == null ? null : Interlocked.Exchange<InnerSafeCloseSocket>(ref m_InnerSocket, null);
                Close();
                if (innerSocket != null)
                {
                    // Wait until it's safe.
                    while (!m_Released)
                    {
                        Thread.SpinWait(1);
                    }

                    // Now free it with blocking.
                    innerSocket.BlockingRelease();
                }
#if DEBUG
                }
                catch (Exception exception)
                {
                    if (!NclUtilities.IsFatal(exception)){
                        GlobalLog.Assert("SafeCloseSocket::CloseAsIs(handle:" + handle.ToString("x") + ")", exception.Message);
                    }
                    throw;
                }
#endif
            }
        }