LibC: Implement sem_getvalue

2025-12-28 15:29:28 +02:00
parent bd426199f8
commit 0421fbdc25
1 changed files with 6 additions and 0 deletions
--- a/userspace/libraries/LibC/semaphore.cpp
+++ b/userspace/libraries/LibC/semaphore.cpp
@@ -19,6 +19,12 @@ int sem_init(sem_t* sem, int pshared, unsigned value)
 	return 0;
 }

+int sem_getvalue(sem_t* __restrict sem, int* __restrict sval)
+{
+	*sval = BAN::atomic_load(sem->value);
+	return 0;
+}
+
 int sem_post(sem_t* sem)
 {
 	const auto old = BAN::atomic_fetch_add(sem->value, 1);