[systemd-devel] Recommended shutdown method

[Lennart Poettering]

On Mi, 04.03.20 19:48, Jay.Burger at fujitsu.com (Jay.Burger at fujitsu.com) wrote:

> All,
>
> I have a debate going on over which is the best way to recommend to
> a development organization how to design a service shutdown. There are two
> camps.
>
>
> 1.       Use the ExecStop with an additional process that needs to ipc to the services
>
> main pid and wait for a response.
>
> 2.       Use the SigTerm that systemd sends to the main pid which can use a "quit" flag
>
> that the main process will use to shutdown.
>
>
> I know this is kind of an large issue but now that systemd is more widespread is there
> any momentum in either method? If so could someone point me to examples or
> documentation?

Just use SIGTERM, it's the standard way to do that, simple and
safe. See daemon(7) man page.

Lennart

--
Lennart Poettering, Berlin