struct thread_elem te;
te.thread = thread_current ();
list_push_back (&sema->waiters, &te.elem);
- thread_sleep ();
+ thread_block ();
}
sema->value--;
intr_set_level (old_level);
old_level = intr_disable ();
if (!list_empty (&sema->waiters))
- thread_wake (list_entry (list_pop_front (&sema->waiters),
- struct thread_elem, elem)->thread);
+ thread_unblock (list_entry (list_pop_front (&sema->waiters),
+ struct thread_elem, elem)->thread);
sema->value++;
intr_set_level (old_level);
}