help with concurrency control (threads/processes & signals)

[Alan Kennedy]

[Sori Schwimmer]
> I am working on an application which involves
> interprocess communication. More to the point,
> processes should be able to notify other processes
> about certain situations, so the "notifyees" would be
> able to act in certain ways.
> 
> As processes are distributed on several machines, in
> different physical locations, my thinking was:
> a) set a message manager (MM)
> b) all the participants will register with MM, so MM
> will have their host address and their pid on host
> c) when someone needs to send a notification, it is
> sent to MM, and MM it's doing the job

[snip]

> Life is a struggle. Programming in Python shouldn't
> be. Ergo, I'm doing something wrong.
> 
> Any advice?

Rather than rolling your own, have you considered using the spread 
module: robust, tested, efficient and no infrastructure development 
required.

http://www.zope.org/Members/tim_one/spread/
http://www.python.org/other/spread/

The latter page has links to the original C spread module, which has 
documentation, FAQs, etc.

-- 
alan kennedy
------------------------------------------------------
email alan:              http://xhaus.com/contact/alan