Re: Determining if a system is in shutdown

[Tilman Kranz <tilman.kranz%tk-sls.de@localhost>]

On 08/29/2015 09:56 AM, Christos Zoulas wrote:
> In article <55E15DDB.8010504%tk-sls.de@localhost>,
> Tilman Kranz  <tilman.kranz%tk-sls.de@localhost> wrote:
>> Hello,
>>
>> for a patch for "nodm" (a lightweight X session manager), I try
>> to find out how to determine if a system is currently in shutdown.
>>
>> The intention is to prevent "nodm" from restarting an X session
>> that caught a SIGTERM while the system is in shutdown.
>>
>> [...utmp code example skipped...]
>>
>> The question:
>>
>> My question is if there is an analogous way in BSD to determine
>> if a system shutdown is currently scheduled.
>
> Yes, the convention is that if _PATH_NOLOGIN exists, you should not
> allow logins.
>
> christos

That fully applies to nodm, because nodm performs autologin.

The version of nodm I work with (0.11) does not consider any
"nologin" file.

I will make sure that it performs this check where applicable.

Thank you and kind regards,
Tilman.