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/edk/embedder/platform_handle_utils.h" 6 7 #include <unistd.h> 8 9 #include "base/logging.h" 10 11 namespace mojo { 12 namespace edk { 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 PlatformHandle duped(dup(platform_handle.handle)); 19 duped.needs_connection = platform_handle.needs_connection; 20 return ScopedPlatformHandle(duped); 21 } 22 23 } // namespace edk 24 } // namespace mojo 25