@sync with a timeout?

[amitmurthy]

I was wondering if it would be possible to have a @sync block with a timeout like the below code does using a condition variable.

tic()
c = Condition()
cbfunc(aw, status) = begin
        println("Timer triggered!")
        notify(c, :ok)
        stop_timer(aw)
end
t = TimeoutAsyncWork(cbfunc)
start_timer(t, 2.0, 0)

@async begin
    @sync begin
        @async begin
            sleep (5.0)
        end
    end
    notify(c, :ok)
    stop_timer(t)
    println("@async triggered!")
end
wait(c)
toc()

The above code works fine, it avoids polling too - I just thought it will be more useful if it can be provided by @sync itself and I couldn't think of an obvious way to do it.

Feel free to close this issue if it cannot be done, or extending @sync with a timeout is not recommended.

cc: @loladiro , @vtjnash , @JeffBezanson

[ViralBShah]

I believe the general view has been that we do not want timeouts in this API. Can reopen if necessary.