lwkt_preempted_proc
if ((lp = lwkt_preempted_proc()) != NULL) {
KKASSERT(lwkt_preempted_proc() != lp);
KKASSERT(lwkt_preempted_proc() != lp);
lp = lwkt_preempted_proc();
if (lwkt_preempted_proc() == NULL ||
lwkt_preempted_proc()->lwp_proc != p) {
if (lp == lwkt_preempted_proc()) {
if (lp == lwkt_preempted_proc()) {
struct lwp *lwkt_preempted_proc(void);