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Re: [PATCH] Detect key modifier status in 'sleep --interruptible'

From: Michal Suchanek
Subject: Re: [PATCH] Detect key modifier status in 'sleep --interruptible'
Date: Mon, 24 Aug 2009 14:58:50 +0200

2009/8/24 Robert Millan <address@hidden>:
> On Mon, Aug 24, 2009 at 10:11:10AM +0100, Colin Watson wrote:
>> > But in at_keyboard it's definitely possible (check how we handle e.g. CTRL
>> > or SHIFT keys).
>> No, that code only spots make scan codes arriving after GRUB's terminal
>> starts up. AFAICS it has no way to tell whether e.g. Shift was held down
>> already when GRUB started
> Ah, you're right on this..
>> (except through the vagaries of key repeat),
> ..but on this too.  Why not check for key repeat?  The controller generates
> them for all keys AFAIK.

..unless turned off in the BIOS (which some seem to allow).



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