7419 eventfd wrongly blocks writers in semaphore mode Reviewed by: Jerry Jelinek <jerry.jelinek@joyent.com> Reviewed by: Bryan Cantrill <bryan@joyent.com> Approved by: Dan McDonald <danmcd@omniti.com>

6188 add support for eventfd Reviewed by: Albert Lee <trisk@omniti.com> Reviewed by: Igor Kozhukhov <ikozhukhov@gmail.com> Reviewed by: Dan McDonald <danmcd@omniti.com> Reviewed by: Gordon Ross <gwr@nexenta.com> Approved by: Richard Lowe <richlowe@richlowe.net>