Am 08.09.2011 12:08, schrieb Clemens Fruhwirth: > If you use Debian, you might have come across start-stop-daemon. It's > part of the dpkg package and encapsulates all the knowledge, they > learnt when dealing with starting and stopping daemons. It has plenty > of features ranging from: > > * handling pidfiles more intimately (checking the pid files content, > verifying that the pid given actually is the executable in question) > * changing UID/GID > * chrooting, nice-ing > * retry starting if daemon dies > * creating pid files when the process doesn't do it, etc, etc. > > curl http://clemens.endorphin.org/start-stop-daemon.c | less > if you want to have look for yourself. It's a single C file. > > To me handling pid files correctly is the biggest win. The paradigm > used commonly in arch > > PID=`pidof -o %PPID /usr/bin/executable` > [ -z "$PID" ] && /usr/bin/executable > > is flawed and does not work reliably as shown here > https://bugs.archlinux.org/task/17138 > > I propose to switch to start-stop-daemon and deprecate the method above. > > http://clemens.endorphin.org/sshd-start-stop-daemon.diff is an example > of an rc.d script ported to start-stop-daemon. The paradigm -- to my > personal taste -- is clean and simple. The diffstat is negative > LOC-wise. > > We could either take the aur/start-stop-daemon packaging which > references dpkg.tar.gz or include into another core package. > start-stop-daemon.c is public domain. > -- > Fruhwirth Clemens http://clemens.endorphin.org Forwarding to the dev list, in case someone doesn't notice it here. In principle, I think this is a good idea. I want to hear Tom's opinion though, as this is closely initscripts-related.
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