On 28 Feb 2013, at 15:28, Arnaud Degroote <notifications@github.com> wrote:

>  think the check on _XOPEN_UNIX is too strong, I think a test on #defined(_POSIX_THREADS) && _POSIX_THREADS >= 200112L seems sufficient to make unix_create_error_checking_mutex works properly.

Agreed (and checked on OpenBSD too)