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- // Copyright 2012 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_CFFILEDESCRIPTORREF_H_
- #define BASE_MAC_SCOPED_CFFILEDESCRIPTORREF_H_
- #include <CoreFoundation/CoreFoundation.h>
- #include "base/scoped_generic.h"
- namespace base::mac {
- namespace internal {
- struct ScopedCFFileDescriptorRefTraits {
- static CFFileDescriptorRef InvalidValue() { return nullptr; }
- static void Free(CFFileDescriptorRef ref) {
- CFFileDescriptorInvalidate(ref);
- CFRelease(ref);
- }
- };
- } // namespace internal
- // ScopedCFFileDescriptorRef is designed after ScopedCFTypeRef<>. On
- // destruction, it will invalidate the file descriptor.
- // ScopedCFFileDescriptorRef (unlike ScopedCFTypeRef<>) does not support RETAIN
- // semantics, copying, or assignment, as doing so would increase the chances
- // that a file descriptor is invalidated while still in use.
- using ScopedCFFileDescriptorRef =
- ScopedGeneric<CFFileDescriptorRef,
- internal::ScopedCFFileDescriptorRefTraits>;
- } // namespace base::mac
- #endif // BASE_MAC_SCOPED_CFFILEDESCRIPTORREF_H_
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