On Mon, Feb 05, 2007 at 01:22:30PM -0800, Aaron J. Grier wrote:
> are there cases where sysV shared memory is preferable to using
> anonymous shared mmap() pages, ...

There is an X11 extension which allows transfering pixmaps (image data
objects) between an X11 client and the X11 server via shared memory on
the local machine. It provides better performance than the normal
transfer of pixmaps via the X11 socket.

	Kind regards

-- 
Matthias Scheler                                  http://zhadum.org.uk/