prepare pthread_spin_unlock for archs that need memory barriers

diff --git a/src/thread/pthread_spin_unlock.c b/src/thread/pthread_spin_unlock.c
index a7eab33446d7cec812ecc82267e1d6f69c49e37a..724d9e0d65d1ad2b535351c1fbfff6a8d927051b 100644 (file)
--- a/src/thread/pthread_spin_unlock.c
+++ b/src/thread/pthread_spin_unlock.c
@@ -2,5 +2,6 @@
 
 int pthread_spin_unlock(pthread_spinlock_t *s)
 {
-       return *s = 0;
+       a_store(s, 0);
+       return 0;
 }