1 // Copyright (c) 2012 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 #ifndef BASE_MAC_SCOPED_IOOBJECT_H_ 6 #define BASE_MAC_SCOPED_IOOBJECT_H_ 7 8 #include <IOKit/IOKitLib.h> 9 10 #include "base/mac/scoped_typeref.h" 11 12 namespace base { 13 namespace mac { 14 15 namespace internal { 16 17 template <typename IOT> 18 struct ScopedIOObjectTraits { 19 static IOT InvalidValue() { return IO_OBJECT_NULL; } 20 static IOT Retain(IOT iot) { 21 IOObjectRetain(iot); 22 return iot; 23 } 24 static void Release(IOT iot) { IOObjectRelease(iot); } 25 }; 26 27 } // namespce internal 28 29 // Just like ScopedCFTypeRef but for io_object_t and subclasses. 30 template <typename IOT> 31 using ScopedIOObject = ScopedTypeRef<IOT, internal::ScopedIOObjectTraits<IOT>>; 32 33 } // namespace mac 34 } // namespace base 35 36 #endif // BASE_MAC_SCOPED_IOOBJECT_H_ 37
