|  | // Copyright 2016 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 BASE_MAC_SCOPED_IONOTIFICATIONPORTREF_H_ | 
|  | #define BASE_MAC_SCOPED_IONOTIFICATIONPORTREF_H_ | 
|  |  | 
|  | #include <IOKit/IOKitLib.h> | 
|  |  | 
|  | #include "base/scoped_generic.h" | 
|  |  | 
|  | namespace base { | 
|  | namespace mac { | 
|  |  | 
|  | namespace internal { | 
|  |  | 
|  | struct ScopedIONotificationPortRefTraits { | 
|  | static IONotificationPortRef InvalidValue() { return nullptr; } | 
|  | static void Free(IONotificationPortRef object) { | 
|  | IONotificationPortDestroy(object); | 
|  | } | 
|  | }; | 
|  |  | 
|  | }  // namepsace internal | 
|  |  | 
|  | using ScopedIONotificationPortRef = | 
|  | ScopedGeneric<IONotificationPortRef, | 
|  | internal::ScopedIONotificationPortRefTraits>; | 
|  |  | 
|  | }  // namespace mac | 
|  | }  // namespace base | 
|  |  | 
|  | #endif  // BASE_MAC_SCOPED_IONOTIFICATIONPORTREF_H_ |