Re: [PATCH 2/2] ulogd: Implement PID file writing

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On 12/05/2013 10:34, Pablo Neira Ayuso wrote:
> Hi Chris,
>
> On Sun, May 12, 2013 at 09:11:51AM +0100, Chris Boot wrote:
>> On 12/05/2013 01:48, Pablo Neira Ayuso wrote:
>>> On Sat, May 11, 2013 at 09:27:31PM +0100, Chris Boot wrote:
>>> [...]
>>>> Hi Pablo,
>>>>
>>>> I'd argue exactly the opposite point: that when you want multiple
>>>> instances a PID file can help you work out which is which.
>>> That new option may break existing setups with multiple instances.
>> My patch explicitly doesn't change the behaviour of existing
>> configurations. If you don't pass '--pidfile /path/to/file.pid', no pid
>> file is written and there is no change in how ulogd works.
> Existing setups having already two ulogd2 instances will break, as
> they won't be passing --pidfile, thus clashing on the same default pid
> file. One of the instances will not proceed. They will have to add
> --pidfile to their scripts to get things back working.

There is no default pidfile. No --pidfile option: no pidfile is created.
No change in behaviour.

You only get the new behaviour if you explicitly add --pidfile to the
arguments.

> But anyway, I suggest that that the standalone debian installation
> sticks to one single instance at the same time, that's just fine for
> most people.

The init script is indeed sticking to just one instance as-shipped.

Chris

-- 
Chris Boot
bootc@xxxxxxxxx

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