Hello,

sorry for late response, this work was a little bit preempted :)

> http://www.netbsd.org/~rmind/mqueue.diff
> http://www.netbsd.org/~rmind/sys_mqueue.c
> http://www.netbsd.org/~rmind/sys_mqueue.h (src/sys/sys/mqueue.h)
> http://www.netbsd.org/~rmind/include_mqueue.h (src/include/mqueue.h)

Please review the updated files. Now it uses file entries and descriptors.

If there will be no essential problems or objections - I will import the code
at the end of the week.

-- 
Best regards,
Mindaugas
www.NetBSD.org