Re: [PATCH 8/9] Input: Block suspend while event queue is not empty.
From: Arve Hjønnevåg
Date: Sat Apr 24 2010 - 01:02:58 EST
On Fri, Apr 23, 2010 at 2:08 PM, Dmitry Torokhov
> On Friday 23 April 2010 01:56:25 pm Randy Dunlap wrote:
>> On Thu, 22 Apr 2010 18:08:57 -0700 Arve Hjønnevåg wrote:
>> > Add an ioctl, EVIOCSSUSPENDBLOCK, to enable a suspend_blocker that will
>> > block suspend while the event queue is not empty. This allows userspace
>> > code to process input events while the device appears to be asleep.
>> All new ioctls need to be added to Documentation/ioctl/ioctl-number.txt,
> I do not see the reason for it to be in the kernel still. Have a process
> that listens to all input devices (or subset of them), once events stop
> coming initiate suspend.
I think the document added by the first patch explains this. The
solution you propose above will ignore a wakeup key pressed right
after user space decides to initiate suspend.
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/