[systemd-devel] recommended way to detect systemd?

[Andrey Borzenkov]

В Sat, 29 Dec 2012 13:40:59 +0100
Manuel Reimer <Manuel.Spam at nurfuerspam.de> пишет:

> Hello,
> 
> I need a reliable way to find out if a system, where my software runs on, uses 
> systemd.
> 
> My first thought:
> 
> $ cat /proc/1/comm
> systemd
> 
> Is this a reliable way that will also work in the next few releases of systemd, 
> or should I use something different?
> 

Widely used check is

if /bin/mountpoint -q /sys/fs/cgroup/systemd ; then 
...
fi