Greg Wooledge wrote: > On Sun, Aug 01, 2021 at 10:41:13AM -0400, songbird wrote: > > mick crane wrote: > > > Doh! discovered have to restart scanbd.service after changing config > > > file. > > > You'd have thought I would know that. > > > > some will restart automatically when their config file changes > > and others don't. you have to know which do and which don't > > since this isn't a universal feature yet. > > Very few programs poll for changes to their configuration files. That > would be a sloppy design.
The reason that this is a sloppy design is because editing a config file by hand will inevitably lead to invalid configs. Some long-running daemons instead listen for a signal to tell them to re-load their config file without shutting down. The really good ones run a syntax checker before trying to run the new config, and emit an error message but continue on the old config when the new one fails. A daemon which is very quick to start and stop probably doesn't implement that at all. -dsr-
