lkml.org 
[lkml]   [2001]   [Apr]   [16]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: rw_semaphores
On Tue, Apr 10, 2001 at 08:47:34AM +0100, David Howells wrote:
>
> Since you're willing to use CMPXCHG in your suggested implementation, would it
> make it make life easier if you were willing to use XADD too?
>
> Plus, are you really willing to limit the number of readers or writers to be
> 32767? If so, I think I can suggest a way that limits it to ~65535 apiece
> instead...

I'm trying to imagine a case where 32,000 sharing a semaphore was anything but a
major failure and I can't. To me: the result of an attempt by the 32,768th locker
should be a kernel panic. Is there a reasonable scenario where this is wrong?


>
> David
> -
> 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/

--
---------------------------------------------------------
Victor Yodaiken
Finite State Machine Labs: The RTLinux Company.
www.fsmlabs.com www.rtlinux.com
-
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 13:25    [W:0.247 / U:0.212 seconds]
©2003-2014 Jasper Spaans. Advertise on this site