fix uninitialized waiters field in semaphores

diff --git a/src/thread/sem_init.c b/src/thread/sem_init.c
index 70f06e9..e8e419c 100644 (file)
--- a/src/thread/sem_init.c
+++ b/src/thread/sem_init.c
@@ -9,5 +9,6 @@ int sem_init(sem_t *sem, int pshared, unsigned value)
                return -1;
        }
        sem->__val[0] = value;
+       sem->__val[1] = 0;
        return 0;
 }