On Fri, Jan 14, 2011 at 10:50 AM, Nick Coghlan <ncoghlan at gmail.com> wrote: > c) Defining head data structures isn't the hard part, the hard part is > accessing them in a reasonably efficient thread-safe manner. s/head/heap/ Cheers, Nick. -- Nick Coghlan | ncoghlan at gmail.com | Brisbane, Australia