public CompletionPort()
{
m_completionPortHandle =
UnsafeMethods.CreateIoCompletionPort(UnsafeMethods.INVALID_HANDLE_VALUE, InvalidCompletionPort, IntPtr.Zero, 1);
if (m_completionPortHandle == InvalidCompletionPort || m_completionPortHandle == InvalidCompletionPortMinusOne)
{
throw new Win32Exception();
}
m_signalQueue = new ConcurrentQueue <object>();
}
public override void AssociateSocket(AsyncSocket socket, object state)
{
if (!(socket is Windows.Socket))
{
throw new ArgumentException("socket must be of type Windows.Socket", "socket");
}
Socket windowsSocket = socket as Socket;
if (windowsSocket.CompletionPort != this)
{
IntPtr result = UnsafeMethods.CreateIoCompletionPort(windowsSocket.Handle, m_completionPortHandle,
SocketCompletionKey, 0);
if (result == InvalidCompletionPort || result == InvalidCompletionPortMinusOne)
{
throw new Win32Exception();
}
}
windowsSocket.SetCompletionPort(this, state);
}