diff --git a/headers/build/HaikuBuildCompatibility.h b/headers/build/HaikuBuildCompatibility.h
index 583cb503bc..c377ef70be 100644
--- a/headers/build/HaikuBuildCompatibility.h
+++ b/headers/build/HaikuBuildCompatibility.h
@@ -46,6 +46,13 @@ extern int32	atomic_set(vint32 *value, int32 newValue);
 extern int32	atomic_test_and_set(vint32 *value, int32 newValue,
 					int32 testAgainst);
 extern int32	atomic_get(vint32 *value);
+extern int64	atomic_set64(vint64 *value, int64 newValue);
+extern int64	atomic_test_and_set64(vint64 *value, int64 newValue,
+					int64 testAgainst);
+extern int64	atomic_get64(vint64 *value);
+extern int64	atomic_add64(vint64 *value, int64 addValue);
+extern int64	atomic_and64(vint64 *value, int64 andValue);
+extern int64	atomic_or64(vint64 *value, int64 orValue);
 
 extern size_t	strnlen(const char *string, size_t count);