Hi, > That was the construct i tried to explain. A wrapper/pacifier whatever > is needed which does not terminate but does nothing until a "stop" or > some other event arrives. > > > They should not start and stop the master directly. Among other > > things, that does not work with multi-instance support. > > Agreed and understanded.
may I ask, why postfix should find a solution? I explain my question: before I came here and started that thread, I took many hours of reading about upstart and doing many local tests here to figure out how I could get the job done. I also called strace start postfix and could see that there is some kind of message communication. Yet I did not find out, which destination receives upstart information. But at least I think, there could be more applications out there that have issues like this here. So wouldn't it make sense to ask upstart developers, if they can extend their upstart interfaces? Or if we really can find out, where upstart is comminicating to, maybe extend postfix' capabilities to send information to this place. Just thoughts and I only try to sort some ideas. If I am allowed to summarize, from what I learned here these days: Postfix does: - have a really stable master process that did not die in more than 10 years (Victor) - does not need a respawn feature upstart does: - start - stop - status - restart - what else? start, stop and status use the pid that a process had after starting it. So now I try to combine this: Some piece of software, call it dispatcher, call it wrapper, whatever, needs to call postfix start to not break any interfaces or anything else postfix related. Right? The wrapper that I showed here does this job. You can start and stop postfix cleanly. If I understood right, simply testing a status of postfix is not so easy, so Victor does the monitoring differently. So we can not simply check the status and the result may be a bogus result. This is, what I learned. So now my question: what do you have in mind Wietse, if you say, you may provide something? Do not get me wrong please. I really like to learn and even when you got me totally wrong at the beginning of this thread, I never had something bad in mind. Just coming here and trying to find a solution. Is that ok so far? Is there anything that I can do to help? Best wishes Christian -- Roessner-Network-Solutions Bachelor of Science Informatik Nahrungsberg 81, 35390 Gießen F: +49 641 5879091, M: +49 176 93118939 USt-IdNr.: DE225643613 http://www.roessner-network-solutions.com
