lkml.org 
[lkml]   [2008]   [Oct]   [8]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH, v3] shmat: introduce flag SHM_MAP_NOT_FIXED
> That is racy when multi threaded because shmat() doesn't replace, so you 
> would need to munmap() inbetween and someone else could steal the area
> then. Yes you could stick a loop around it. It could livelock.
> No, it's not a good interface I would advocate.

You could just use pthread mutexes in your application. The rôle of the
kernel is not to provide nappies for people who think programming is too
hard but to provide services that can be used to build applications.

Alan
--
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: 2008-10-08 12:27    [W:0.174 / U:0.476 seconds]
©2003-2011 Jasper Spaans. Advertise on this site