Is there any way for non-blocking IO with phobos?

[Sobaya via Digitalmars-d-learn]

I want to connect to a server and communicate with ssh.
So I tried to spawn the process of ssh using pipeProcess 
function, and read/write with its pipe's stdin and stdout.

But I don't know how many lines are sent from the server for an 
input, so readln function blocks.

I think this can be solved with non-blocking IO, but I cannot 
find how do I use non-blocking IO with phobos.

Please give me any ideas.

Thanks.