disabling sleep when shutting down

[Jung-uk Kim]

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> On 09/20/2015 03:16, Colin Percival wrote:
>> On 09/18/15 11:29, Anthony Jenkins wrote:
>>> Is it possible for /etc/rc.shutdown to complete, but shutdown 
>>> not occur?  If so, there should be a mechanism to restore the 
>>> ability to suspend.  Other than that, I like it.
>> 
>> Hmm... well, rc.shutdown runs before the system drops into 
>> single-user mode.  Which makes me think that maybe we should be 
>> making the kernel call from inside init instead of from 
>> rc.shutdown.
> 
> I didn't want to pollute init with arch-dependent hacks. Anyway,
> the attached patch should do what you want (not tested).

Or a simpler hack with sysctl(3) instead of ioctl(2).

Jung-uk Kim
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