[zeromq-dev] Poll on sockets OR child process

Michael Haberler mail17 at mah.priv.at
Wed Nov 27 21:36:23 CET 2013

Am 27.11.2013 um 20:23 schrieb Greg Ward <greg at gerg.ca>:

> Hi all --
> I'm hacking on a task distribution system used internally here. It has
> N masters sending tasks (shell commands) out to M workers, and then
> doing stuff with the results. There's something that annoys me
> slightly about the implementation: the worker runs each task in a
> separate thread.
> IMHO it would be ever so much nicer to just spawn the child process
> that runs a task, and harvest the results when they are ready. IOW, I
> want to integrate wait() and zmq_poll() in a single event loop.
> Is there any sane way to do this? (The whole system is written in
> Python, using zeromq-3.2.3 and pyzmq 13.1.0.)

maybe you'd want to use SIGCHLD and poll on a signalfd


> Thanks --
> Greg
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