I wrote:
> What seems possibly more useful is to reintroduce \cwait (or hopefully
> some better name) and give it the semantics of "wait for a response from
> any active connection; switch to the first one to respond, printing its
> name, and print its result".
It strikes me that with these semantics, \cwait is a lot like a thread
join operation, so we could call it \join or \j.
regards, tom lane
