Bug#727708: init system other points, and conclusion [and 1 more messages]

[Tollef Fog Heen <tfheen@err.no>]

]] cameron 

> On Mon, Dec 30, 2013 at 9:43 AM, Tollef Fog Heen <tfheen@err.no> wrote:
> 
> >>  If this is not required by systemd, why is it done by sd_notify ?
> >>
> > It's not.
> 
> You obviously did not read the code. It is. Here is a G+ convo with
> Lennart I had:
>
> > As a sender you only have to set SCM_CREDENTIALS manually if you
> > want to fake it (for which you need privs however).
> 
> sd_notify() basically impersonates the process. You only need to set
> SCM manually if you are writing an external library. If someone is
> just doing it in the daemon, the kernel will set SCM_CREDENTIALS
> automatically.

You seem to be confusing systemd-notify(1) with sd_notify(3).
sd_notify(3) is the library call that's called by the daemon itself.
systemd-notify(1) is a command line tool to «Notify service manager
about start-up completion and other daemon status changes».

-- 
Tollef Fog Heen
UNIX is user friendly, it's just picky about who its friends are