Use __atomic_{load, store}_n when USE_LOCKS is defined. Fall back to
non-atomic load/store when USE_LOCKS is not defined.
Signed-off-by: Aaron Merey <[email protected]>
---
lib/locks.h | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/lib/locks.h b/lib/locks.h
index 9c17eca7..ef0e9cac 100644
--- a/lib/locks.h
+++ b/lib/locks.h
@@ -56,6 +56,10 @@
# define mutex_fini(lock) MUTEX_CALL (destroy (&lock))
# define once(once_control, init_routine) \
ONCE_CALL (once (&once_control, init_routine))
+# define atomic_load_acquire(ptr) \
+ __atomic_load_n ((ptr), __ATOMIC_ACQUIRE)
+# define atomic_store_release(ptr, val) \
+ __atomic_store_n ((ptr), (val), __ATOMIC_RELEASE)
#else
/* Eventually we will allow multi-threaded applications to use the
libraries. Therefore we will add the necessary locking although
@@ -73,6 +77,8 @@
# define mutex_fini(lock) ((void) (lock))
# define once_define(class,name)
# define once(once_control, init_routine) init_routine()
+# define atomic_load_acquire(ptr) (*(ptr))
+# define atomic_store_release(ptr, val) ((void) (*(ptr) = (val)))
#endif /* USE_LOCKS */
#endif /* locks.h */
--
2.55.0
