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Re: ANN: BatMon 0.3


From: Sebastian Reitenbach
Subject: Re: ANN: BatMon 0.3
Date: Tue, 08 Jul 2008 06:27:58 +0200

Hi,

David Chisnall <address@hidden> wrote: 
> On 7 Jul 2008, at 22:48, Riccardo wrote:
> 
> > I don't like the idea of depending on DBus. All this power  checking  
> > has too many layers, indirections and uncertainity already. Now  
> > Linux has also /sys filesystem and I bet I will end needing to  
> > support it alongside of /proc.
> 
> Linux completely fails at the one task an OS is meant to be good at -  
> abstracting the hardware from developers.  I had huge problems getting  
> this code to work correctly on Linux, where 2.4 Vs 2.6 kernels, x86 Vs  
> PowerPC, Monday Vs Tuesday, etc. all gave different format plain text  
> files that needed to be parsed.  There's now a library containing  
> several thousand lines of code available to do on Linux something that  
> is about a dozen lines of code on any of the BSD family.
Oh, I remember, when porting the linux-ha stuff to OpenBSD, I #ifdef the ~30 
lines of pam authentication, with using 2 lines BSD auth ;)

> 
> > OpenBSD is interesting though, I don't have it running on a Laptop,  
> > so I can't check and I refrain from blind-developing. But if you  
> > know of somebody who has OpenBSD on a laptop (yourself?) I will  
> > collaborate egaerly to support another system.
> 
> I don't have OpenBSD on a laptop, but the code is trivial - just read  
> the relevant sysctls.  I tested it on my colocated Mac Mini, which  
> runs OpenBSD.  You can find the code here:
I run OpenBSD on my libretto, and I already made a note to myself, to test 
BatMon on it next time.

> 
http://svn.gna.org/viewcvs/etoile/trunk/Etoile/Frameworks/SystemConfig/Source/SCPower_OpenBSD.m?rev=2509&view=auto

> 
> If you have any problems understanding it, check the relevant man page  
> - unlike Linux, OpenBSD actually comes with useful documentation.
Yeah, one of the reasons I like OpenBSD.

cheers
Sebastian





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