I think it needs to be part of a process creation class, zproc or somesuch; the cleanest way IMO to report events from child processes is via ZeroMQ messages in any case. We do this in other classes which use a message-based API.
On Thu, Dec 19, 2013 at 10:18 PM, Michel Pelletier <[email protected]> wrote: > It seems like this is something that could be appropriately added to zloop? > A signal registration function that internally added a signalfd an called a > handler. > > -Michel > > > On Thu, Dec 19, 2013 at 12:36 PM, Pieter Hintjens <[email protected]> wrote: >> >> Hi Greg, >> >> This is nice stuff. Process management is one of the incomplete areas. >> If I was doing this in CZMQ, I'd have a class that managed child >> processes and sent events (DIED, ENDED) back to the parent over a >> pipe. >> >> -Pieter >> >> >> On Wed, Dec 18, 2013 at 3:33 PM, Greg Ward <[email protected]> wrote: >> > On 27 November 2013, I said: >> >> 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. >> > >> > Thanks again to Michael Haberle for the tips. Since this was >> > non-obvious to me, I assume it will be non-obvious to others in >> > future. So I made several working examples and wrote up a blog post: >> > >> > http://gerg.ca/blog/post/2013/zmq-child-process/ >> > >> > Comments/criticisms are welcome. >> > >> > Greg >> > -- >> > Greg Ward http://www.gerg.ca >> > <[email protected]> @gergdotca >> > _______________________________________________ >> > zeromq-dev mailing list >> > [email protected] >> > http://lists.zeromq.org/mailman/listinfo/zeromq-dev >> _______________________________________________ >> zeromq-dev mailing list >> [email protected] >> http://lists.zeromq.org/mailman/listinfo/zeromq-dev > > > > _______________________________________________ > zeromq-dev mailing list > [email protected] > http://lists.zeromq.org/mailman/listinfo/zeromq-dev > _______________________________________________ zeromq-dev mailing list [email protected] http://lists.zeromq.org/mailman/listinfo/zeromq-dev
