1// Copyright 2014 The Chromium Authors. All rights reserved. 2// Use of this source code is governed by a BSD-style license that can be 3// found in the LICENSE file. 4 5#include "mojo/embedder/platform_handle_utils.h" 6 7#include <unistd.h> 8 9#include "base/logging.h" 10 11namespace mojo { 12namespace embedder { 13 14ScopedPlatformHandle DuplicatePlatformHandle(PlatformHandle platform_handle) { 15 DCHECK(platform_handle.is_valid()); 16 // Note that |dup()| returns -1 on error (which is exactly the value we use 17 // for invalid |PlatformHandle| FDs). 18 return ScopedPlatformHandle(PlatformHandle(dup(platform_handle.fd))); 19} 20 21} // namespace embedder 22} // namespace mojo 23