> Why don't you use a AF_UNIX socket to pipe the image data from process
> to process or SYSV sharerd memory with semaphore interlocking? The later
> would be the fastetst way to transfer the data and it avoids any file
> system interaction. 

SYSV shared memory is horrid stuff!
Just mmap a file!

	David

-- 
David Laight: david@l8s.co.uk