[NaCl SDK] Support non blocking TCP/UDP

native_client_sdk/src/libraries/nacl_io/mount_node_stream.cc

+// Copyright (c) 2013 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.
+
+#include "nacl_io/mount_node_stream.h"
+
+#include <errno.h>
+#include <fcntl.h>
+#include <pthread.h>
+#include <string.h>
+
+#include "nacl_io/ioctl.h"
+
+
+namespace nacl_io {
+
+MountNodeStream::MountNodeStream(Mount* mnt)
+    : MountNode(mnt),
+      read_timeout_(-1),
+      write_timeout_(-1) {
+}
+
+Error MountNodeStream::Init(int perm) {
+  MountNode::Init(perm);
+  return 0;
+}
+
+}  // namespace nacl_io
+