Release 7.0.0 of liblfds, a portable, lock-free data structure library, has been published, after six years.
http://www.liblfds.org
I posted originally about this library back in 2009, here;
http://cboard.cprogramming.com/proje...published.html
The honourable and well-known Codeplug has had a bit of input into this - he sent over some improvements a few years ago, which have made their way into the codebase.