Fix bug in userprog-merge where file writes were denied in the wrong thread

2024-11-12 16:22:32 +00:00
parent b0400693ae
commit d878dbc132
2 changed files with 9 additions and 1 deletions
--- a/src/threads/synch.c
+++ b/src/threads/synch.c
@@ -260,6 +260,7 @@ lock_acquire (struct lock *lock)
  ASSERT (!lock_held_by_current_thread (lock));

  struct thread *t = thread_current ();
+  ASSERT (t->waiting_lock == NULL);

  enum intr_level old_level = intr_disable ();
  if (lock->holder != NULL)