lkml.org 
[lkml]   [2004]   [May]   [24]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: your mail
On Mon, May 24, 2004 at 03:20:33PM -0700, Laughlin, Joseph V wrote:
> I've been tasked with modifying a 2.4 kernel so that a non-root user can
> do the following:
>
> Dynamically change the priorities of processes (up and down)
> Lock processes in memory
> Can change process cpu affinity
>
> Anyone got any ideas about how I could start doing this? (I'm new to
> kernel development, btw.)

check the kernel capability system ...
(it's quite simple)

#define CAP_SYS_NICE 23
#define CAP_IPC_LOCK 14

cpu scheduler affinity isn't part of 2.4 AFAIK
so there is no easy way to 'control' it ...

HTH,
Herbert

> Thanks,
>
> Joe Laughlin
> Phantom Works - Integrated Technology Development Labs
> The Boeing Company
>
>
>
> -
> To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at http://vger.kernel.org/majordomo-info.html
> Please read the FAQ at http://www.tux.org/lkml/
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-03-22 14:03    [W:0.024 / U:0.360 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site