Hi, I wrote: > I was recently working on an embedded system that had a daemon > [ ...which] needed to be run when both [serial] devices were plugged > in. If any of the devices was unplugged, the daemon would exit, and > would need to be restarted the next time both devices were plugged in.
Auke wrote: > why not write a middle-man layer that uses socket activation? My understanding of socket activation is that it is for starting a service when something attempts to connect to a socket. I don't understand how this relates to my situation with two serial devices. > alternatively, you could use inotify and immediately start your > daemon. Presumably you mean by writing a second daemon that uses inotify? Yes, I can see that this would solve my problem, however I was wondering whether there was a simpler way of doing it just using systemd. Cheers, Rob
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