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priority donation refactoring #20

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sb3923 merged 3 commits from task1/saleh/priority-donation-refactoring into master 2024-10-25 15:57:23 +00:00
Conversation 5 Commits 3 Files Changed 2 +7 -7
1 changed files with 7 additions and 7 deletions
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14
src/threads/synch.c
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@@ -114,13 +114,13 @@ sema_up (struct semaphore *sema)
old_level = intr_disable (); old_level = intr_disable ();
if (!list_empty (&sema->waiters)) if (!list_empty (&sema->waiters))
{ {
/* Enforces wake-up of the highest priority thread waiting for the /* Enforces wake-up of the highest priority thread waiting for the
semaphore. */ semaphore. */
struct list_elem *e = list_min (&sema->waiters, priority_more, NULL); struct list_elem *e = list_min (&sema->waiters, priority_more, NULL);
list_remove (e); list_remove (e);
thread_unblock (list_entry (e, struct thread, elem)); thread_unblock (list_entry (e, struct thread, elem));
} }
sema->value++; sema->value++;
intr_set_level (old_level); intr_set_level (old_level);