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Re: [PATCH] Detect key modifier status in 'sleep --interruptible'
From: |
Colin Watson |
Subject: |
Re: [PATCH] Detect key modifier status in 'sleep --interruptible' |
Date: |
Mon, 24 Aug 2009 13:59:47 +0100 |
User-agent: |
Mutt/1.5.18 (2008-05-17) |
On Mon, Aug 24, 2009 at 01:57:26PM +0200, Robert Millan wrote:
> On Mon, Aug 24, 2009 at 10:11:10AM +0100, Colin Watson wrote:
> > 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.
If you want a delay of zero (i.e. "is Shift pressed? no? OK, boot
immediately with no delay"), how long should you wait for key repeat? If
there's a sensible answer to that question (IIRC key repeat speed is
sometimes configurable in the BIOS) then we could do that ...
--
Colin Watson address@hidden
- Re: [PATCH] Detect key modifier status in 'sleep --interruptible', (continued)