System.Net.Sockets.SafeNativeOverlapped.FreeNativeOverlapped C# (CSharp) Метод

        internal void FreeNativeOverlapped()
        {
            // Do not call free during AppDomain shutdown, there may be an outstanding operation.
            // Overlapped will take care calling free when the native callback completes.
            IntPtr oldHandle = Interlocked.Exchange(ref handle, IntPtr.Zero);
            if (oldHandle != IntPtr.Zero && !Environment.HasShutdownStarted)
            {
                unsafe
                {
                    Debug.Assert(SocketHandle != null, "SocketHandle is null.");

                    ThreadPoolBoundHandle boundHandle = SocketHandle.IOCPBoundHandle;
                    Debug.Assert(boundHandle != null, "SafeNativeOverlapped::FreeNativeOverlapped - boundHandle is null");

                    // FreeNativeOverlapped will be called even if boundHandle was previously disposed.
                    boundHandle?.FreeNativeOverlapped((NativeOverlapped*)oldHandle);
                }
            }
        }
    }