[Openais] Allow corosync run only once

[Jan Friesse]

Committed as 3010 and 3011

Regards,
  Honza

Fabio M. Di Nitto wrote:
> Looks ok to me (untested).
> 
> Fabio
> 
> On 7/28/2010 4:08 PM, Jan Friesse wrote:
>> Attached is better implementation of SUBJ patch. It also modifies init
>> script file to NOT create pid file.
>>
>> Second patch is for better integration with cman. If corosync was
>> started by cman, corosync refuses to stop.
>>
>> Regards,
>>   Honza
>>
>>
>> Fabio M. Di Nitto wrote:
>>> On 7/22/2010 7:56 PM, Steven Dake wrote:
>>>> On 07/22/2010 10:25 AM, Steven Dake wrote:
>>>>> On 07/22/2010 08:49 AM, Jan Friesse wrote:
>>>>>> Patch uses flock to ensure that only one instance of corosync is running.
>>>>>>
>>>>>> Regards,
>>>>>> Honza
>>>>>>
>>>>>>
>>>>>>
>>>>>> _______________________________________________
>>>>>> Openais mailing list
>>>>>> Openais at lists.linux-foundation.org
>>>>>> https://lists.linux-foundation.org/mailman/listinfo/openais
>>>>> g
>>>>> reat work! good for merge
>>>>>
>>>> Honza,
>>>>
>>>> After talking with Fabio, he mentioned that the proper place for this 
>>>> file is /var/run/corosync.pid, and the contents of this file should be 
>>>> the active process ID of the corosync child.
>>>>
>>>> Sorry for not getting more details earlier.
>>> My bad, it did pass under my radar.
>>>
>>> Honza, the implementation you did is ok, i also suggest to look into
>>> dm_create_lockfile(const char*) implementation that´s been recently
>>> written to be "strong".
>>>
>>> Fabio
>