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 11 namespace mojo { 12 namespace embedder { 13 DuplicatePlatformHandle(PlatformHandle platform_handle)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