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-rw-r--r--libavutil/atomic_gcc.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/libavutil/atomic_gcc.h b/libavutil/atomic_gcc.h
index e2f3fe1330..13713c82e0 100644
--- a/libavutil/atomic_gcc.h
+++ b/libavutil/atomic_gcc.h
@@ -18,6 +18,9 @@
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
+#ifndef AVUTIL_ATOMIC_GCC_H
+#define AVUTIL_ATOMIC_GCC_H
+
#include "atomic.h"
#define avpriv_atomic_int_get atomic_int_get_gcc
@@ -46,3 +49,5 @@ static inline void *atomic_ptr_cas_gcc(void * volatile *ptr,
{
return __sync_val_compare_and_swap(ptr, oldval, newval);
}
+
+#endif /* AVUTIL_ATOMIC_GCC_H */