[systemd-devel] check to see if service is still alive

[Andrei Borzenkov]

On Thu, May 26, 2016 at 3:39 PM, Thomas Güttler
<guettliml at thomas-guettler.de> wrote:
> Am 26.05.2016 um 14:35 schrieb Andrei Borzenkov:
>>
>> On Thu, May 26, 2016 at 3:18 PM, Thomas Güttler
>> <guettliml at thomas-guettler.de> wrote:
>>>
>>> I want to know if the service is alive,
>>
>>
>> Define "service is alive".
>
>
> the service is alive if a custom check method has the exit status of 0
>
>

systemd does not support adding custom checks. What you can do, is to
split your service in two programs - one that does custom check and
interacts with systemd and another that implements real service. Real
service could then be started by wrapper or in ExecStartPre.