cx18_enqueue
cx18_enqueue(s, mdl, &s->q_free);
cx18_enqueue(s, mdl, &s->q_free);
cx18_enqueue(s, mdl, &s->q_free);
cx18_enqueue(s, mdl, &s->q_full);
cx18_enqueue(s, mdl, &s->q_free);
cx18_enqueue(s, mdl, &s->q_full);
cx18_enqueue(s, mdl, &s->q_free);
cx18_enqueue(s, mdl, &s->q_free);
cx18_enqueue(s, mdl, &s->q_idle);
cx18_enqueue(s, mdl, &s->q_free);
return cx18_enqueue(s, mdl, &s->q_free);
q = cx18_enqueue(s, mdl, &s->q_busy);
cx18_enqueue(s, mdl, &s->q_free);