libkqueue-dev 0.9.2-2 (i386 binary) in ubuntu precise

 Contains the header files, manpages, and static libraries for use in
 developing applications that use the libkqueue library.
 .
 libkqueue is a portable userspace implementation of the kqueue(2)
 kernel event notification mechanism found in FreeBSD and other BSD-based
 operating systems. The library translates between the kevent structure
 and the native kernel facilities of the host machine.