lkml.org 
[lkml]   [2002]   [Mar]   [6]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] Fast Userspace Mutexes III.
On Wed, 6 Mar 2002, Richard Henderson wrote:

> On Mon, Mar 04, 2002 at 02:15:58PM -0800, Davide Libenzi wrote:
> > That's great. What if the process holding the mutex dies while there're
> > sleeping tasks waiting for it ?
>
> The lock is lost. The same thing would happen with locks completely
> implemented in userspace.
>
> I don't see that the kernel should do anything about this. If a
> thread is killed with predudice (i.e. without pthread_cancel) then
> there are all sorts of cleanups that won't happen. Having the
> kernel automatically unlock the locks doesn't help much, since
> the data structures are quite likely in an inconsistent state.

agreed, whatever solution does not solve it completely and makes things is
lot more complex. it's not an issue ...



- Davide


-
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 13:24    [W:3.189 / U:0.004 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site