DragonFlyBSD

    while (!TAILQ_EMPTY(&cam_simq)) {

        TAILQ_CONCAT(&queue, &cam_simq, links);

        spin_unlock(&cam_simq_spin);

        while ((sim = TAILQ_FIRST(&queue)) != NULL) {

            TAILQ_REMOVE(&queue, sim, links);

            CAM_SIM_LOCK(sim);

            sim->flags &= ~CAM_SIM_ON_DONEQ;

            camisr_runqueue(sim);

            CAM_SIM_UNLOCK(sim);

        }

        spin_lock(&cam_simq_spin);

    }

    spin_unlock(&cam_simq_spin);