Merge pull request #76 from qookei/spinlock-fix

spinlock: Fix ticket_spinlock::is_locked check
managarm · Nov 14, 2024 · 922d38d · 922d38d
2 parents 805d23e + afcba6b
commit 922d38d
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/include/frg/spinlock.hpp b/include/frg/spinlock.hpp
@@ -42,8 +42,8 @@ struct ticket_spinlock {
 	}
 
 	bool is_locked() {
-		return (__atomic_load_n(&serving_ticket_, __ATOMIC_RELAXED) + 1)
-			== __atomic_load_n(&next_ticket_, __ATOMIC_RELAXED);
+		return __atomic_load_n(&serving_ticket_, __ATOMIC_RELAXED)
+			< __atomic_load_n(&next_ticket_, __ATOMIC_RELAXED);
 	}
 
 	void unlock() {