CreateDelegate< T >()

static unsafe T System.Net.Sockets.DynamicWinsockMethods.CreateDelegate< T > ( [NotNull] ref T cache, SafeSocketHandle socketHandle, string guidString )

inlinestaticprivate

Type Constraints

T

:

Delegate

Definition at line 56 of file DynamicWinsockMethods.cs.

                                                                                                                               : Delegate
    {
        Guid guid = new Guid(guidString);
        IntPtr funcPtr = IntPtr.Zero;
        if (global::Interop.Winsock.WSAIoctl(socketHandle, -939524090, ref guid, sizeof(Guid), out funcPtr, sizeof(IntPtr), out var _, IntPtr.Zero, IntPtr.Zero) != 0)
        {
            throw new SocketException();
        }
        Interlocked.CompareExchange(ref cache, Marshal.GetDelegateForFunctionPointer<T>(funcPtr), null);
        return cache;
    }

References System.Threading.Interlocked.CompareExchange(), System.Runtime.InteropServices.Marshal.GetDelegateForFunctionPointer(), and System.IntPtr.Zero.