[arch-general] [PATCH 1/1] systemd: restart services after update

[Christian Hesse]

Leonid Isaev <lisaev at umail.iu.edu> on Wed, 2014/06/11 12:13:
> Hi,
> 
> On Wed, Jun 11, 2014 at 12:15:18PM +0200, Christian Hesse wrote:
> > Date: Wed, 11 Jun 2014 12:15:18 +0200
> > From: Christian Hesse <list at eworm.de>
> > To: arch-general <arch-general at archlinux.org>
> > Cc: Christian Hesse <mail at eworm.de>
> > Subject: [arch-general] [PATCH 1/1] systemd: restart services after update
> > X-Mailer: git-send-email 2.0.0
> > 
> > From: Christian Hesse <mail at eworm.de>
> > 
> > ---
> >  systemd.install | 6 ++++++
> >  1 file changed, 6 insertions(+)
> > 
> > diff --git a/systemd.install b/systemd.install
> > index 5c370f7..11e97bc 100644
> > --- a/systemd.install
> > +++ b/systemd.install
> > @@ -27,6 +27,12 @@ maybe_reexec() {
> >  
> >    if sd_booted; then
> >      systemctl --system daemon-reexec
> > +
> > +    for SERVICE in systemd-journald systemd-logind systemd-machined
> > systemd-networkd systemd-resolved systemd-udevd; do
> > +      if systemctl is-active ${SERVICE} >/dev/null; then
> > +        systemctl restart ${SERVICE}
> > +      fi
> > +    done
> >    fi
> >  }
> 
> Are you sure it's a good idea to restart things like that? Because this
> assumes that these daemons are independent -- is this a valid assumption?
> It seems that systemctl daemon-reexec _should_ reexec itself and its flock
> of helpers...

I do not know if it is a good idea...

At least restarting systemd-udevd manually did not have a bad impact.
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