[SailfishDevel] Keeping background process running in Sailfish OS

[Taixzo]

I wonder why Sailfish OS does this while Harmattan and Maemo did not? They certainly didn't have more RAM to work with.

Sunday, May 3, 2015 7:56 AM E.S. Rosenberg wrote:
> Also note that if you skew it too much in favor of yourself the system may
> end up killing genuinely important system processes instead of your daemon,
> no user will be happy about that....
> 
> 2015-05-03 14:43 GMT+03:00 Martin Grimme <martin.grimme at gmail.com>:
> 
>> Hi,
>>
>> 2015-05-03 13:09 GMT+02:00, Andrey Kozhevnikov <coderusinbox at gmail.com>:
>>> afaik it only closing propcesses with windows, no?
>>
>> No, it is the Linux OOM handler, which does not care or know about
>> what a Wayland window is.
>> If your daemon is invoked as a systemd service, you can adjust the
>> OOMScore in the system .service file of the daemon, like this:
>>
>>   [Service]
>>   ExecStart=/usr/sbin/mydaemon
>>   OOMScoreAdjust=-250
>>
>> The lower the value the less likely the process will be selected by
>> the OOM killer.
>> However, if you want to remain harbour-compatible, you cannot run the
>> daemon as a systemd service. In that case maybe you can write the
>> score directly at runtime to
>>
>>   /proc/<your process pid>/oom_score_adj
>>
>> but I did not test that solution.
>>
>>
>> Martin
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