[NaCl SDK] Support non blocking TCP/UDP

native_client_sdk/src/libraries/nacl_io/kernel_object.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 LIBRARIES_NACL_IO_KERNEL_OBJECT_H_
 #define LIBRARIES_NACL_IO_KERNEL_OBJECT_H_
 
 #include <pthread.h>
 
 #include <map>
 #include <string>
 #include <vector>
 
 #include "nacl_io/error.h"
 #include "nacl_io/kernel_handle.h"
 #include "nacl_io/mount.h"
 #include "nacl_io/mount_node.h"
 #include "nacl_io/path.h"
 
+#include "sdk_util/macros.h"
 #include "sdk_util/simple_lock.h"
 
 namespace nacl_io {
 
 // KernelObject provides basic functionality for threadsafe access to kernel
 // objects such as the CWD, mount points, file descriptors and file handles.
 // All Kernel locks are private to ensure the lock order.
 //
 // All calls are assumed to be a relative path.
 class KernelObject {
@@ skipping 59 matching lines @@
 
   // Lock to protect cwd_.
   sdk_util::SimpleLock cwd_lock_;
 
   DISALLOW_COPY_AND_ASSIGN(KernelObject);
 };
 
 }  // namespace nacl_io
 
 #endif  // LIBRARIES_NACL_IO_KERNEL_OBJECT_H_