On Fri, Mar 27, 2009 at 08:55:34PM +0100, Joachim Nilsson <[email protected]>
wrote:
> connecting an ev_io watcher to the message queue identifier, which is
> rumored to be a standard file descriptor in Linux. No luck so far.
I never heard that this should be the case, and would be very surprised if
this would suddenly be so.
> 1) Is this even possible?
I don't think so, those are not, to my knowledge, file descriptors.
> Can I use any POSIX message queue primitives with ev_io
I don't think so, although I would be less surprised if those were
actually fd's.
> or should I attempt a redesign using standard file descriptors or pipes?
For an event-based system this is likely the only way to do it.
> 2) Does anyone have any other neat idea how to integrate ev_io with
> message passing?
Use another thread to blockingly wait, then wake up your event loop with
ev_async, then process the received messages.
Not neat, imho, but workable. If you already have threads, this seems
reasonable, though.
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