Initial snapshot of the new BPF-enabled seccomp sandbox. This code is

sandbox/linux/seccomp_bpf/util.h

+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef UTIL_H__
+#define UTIL_H__
+
+namespace playground2 {
+
+class Util {
+ public:
+  static bool sendFds(int transport, const void *buf, size_t len, ...);
+  static bool getFds(int transport, void *buf, size_t *len, ...);
+  static void closeAllBut(int fd, ...);
+};
+
+}  // namespace
+
+#endif  // UTIL_H__