<p><br>
On Feb 20, 2013 8:36 AM, "Mark Morgan Lloyd" <<a href="mailto:markMLl.lazarus@telemetry.co.uk">markMLl.lazarus@telemetry.co.uk</a>> wrote:<br>
><br>
> If I want to poll a variable set by an asynchronous unix-style signal, i.e. that doesn't have an OS-level handle and where the latency should probably be of the order of 100mSec, what's the most effective technique?</p>
<p>If I understand correctly, the self pipe trick is probably best, then you don't have to poll, just add the handle to select().</p>
<p>Henry</p>