1 files changed, 26 insertions, 0 deletions
diff --git a/platform/linux-generic/odp_atomic.c b/platform/linux-generic/odp_atomic.c
new file mode 100644
index 000000000..5b71ecff3
--- /dev/null
+++ b/platform/linux-generic/odp_atomic.c
@@ -0,0 +1,26 @@
+/* Copyright (c) 2015, Linaro Limited
+ * All rights reserved.
+ *
+ * SPDX-License-Identifier:     BSD-3-Clause
+ */
+
+#include <odp/atomic.h>
+
+int odp_atomic_lock_free_u64(odp_atomic_op_t *atomic_op)
+{
+#if __GCC_ATOMIC_LLONG_LOCK_FREE < 2
+	/* All operations have locks */
+	if (atomic_op)
+		atomic_op->all_bits = 0;
+
+	return 0;
+#else
+	/* All operations are lock-free */
+	if (atomic_op) {
+		atomic_op->all_bits = ~((uint32_t)0);
+		atomic_op->op.init  = 0;
+	}
+
+	return 2;
+#endif
+}