> On Jan 21, 2016, at 8:03 AM, Alan Carroll > <solidwallofc...@yahoo-inc.com.INVALID> wrote: > > The closest I could find is ats_pagespeed.This doesn't poll an external > server but it does poll a configuration file. Basically you set up a thread > using TSThreadCreate(), have it do the polling, and then communicate its > results back via thread safe containers. I think the pagespeed one works by > creating a duplicate structure on configuration change, then atomically > swapping pointers. You still need to reference count so the old structure can > be cleaned up. Thread safe queues would work as well.
Fwiw, The health_check plugin does the same (has a thread checking to changes on the file system). — Leif
