Jason Tackaberry wrote: > On Thu, 2007-12-27 at 21:29 +0100, Dirk Meyer wrote: >> > What is the behavior of pynotifier with simulate=True? From what I can >> > see it just causes it to call select() on any fds we're monitoring, but >> > doesn't do anything else (call timers or dispatchers) or even invoke >> > callbacks for the fds that had activity. >> >> Right > > So why is it important that we select on fds but not do anything with > the events? What happens if we don't call select? i.e. why call > nf_wrapper.step() at all?
Problem: kaa notifier is running in a different mainloop (e.g. twisted) but the callbacks should be called from the real main thread. So I run step() in a thread without doing anything (simulate). When this function returns, something is going on and I trigger a callback in the real mainloop. Now in the real mainloop I call step() again, this time I know that select won't block (sleep=False) and that there is something to do. Dischi -- There are very few problems that cannot be solved by orders ending with 'or die.' - Alistair J.R. Young
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