SLOT_RUN
s->pstate = SLOT_RUN;
if (s->pstate != SLOT_RUN)
s->pstate = SLOT_RUN;
case SLOT_RUN:
s->pstate = SLOT_RUN;
if (s->pstate == SLOT_RUN) {
if (s->pstate == SLOT_RUN || s->pstate == SLOT_STOP)
if (s->pstate == SLOT_RUN || s->pstate == SLOT_STOP) {