SUSPEND_NORMAL
stop(PR_SUSPENDED, SUSPEND_NORMAL);
stop(PR_SUSPENDED, SUSPEND_NORMAL);
stop(PR_SUSPENDED, SUSPEND_NORMAL);
stop(PR_SUSPENDED, SUSPEND_NORMAL);
stop(PR_SUSPENDED, SUSPEND_NORMAL);
stop(PR_SUSPENDED, SUSPEND_NORMAL);
t->t_whatstop = SUSPEND_NORMAL;
stop(PR_SUSPENDED, SUSPEND_NORMAL);
t->t_whatstop = SUSPEND_NORMAL;
t->t_whatstop = SUSPEND_NORMAL;
stop(PR_SUSPENDED, SUSPEND_NORMAL);
ASSERT(what == SUSPEND_NORMAL || what == SUSPEND_PAUSE);