Why doesn't the SendAsync extension take a CancellationToken?

Question

Unlike ReceiveAsync, the current SendAsync extension doesn't provide cancellation and I was wondering if this was by design, or due to the current implementation that uses a SendAsyncSource internally for the send.

Since the item may be buffered for a while until accepted by the target and because the operation returns a task, it seems like SendAsync is a good candidate for cancellation.

Thanks,

Shawn

Answer 1

Hi Shawn-

Thanks for the feedback!  There's nothing technically preventing accepting a CancellationToken here, we just didn't expect this is something folks might want to cancel.  Now that we know it is, we'll certainly consider it.

Thanks!

Stephen

Answer 2

Thanks Stephen. Cancelling the outstanding send would definitely be helpful for us.