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Kernel: Customize File::unref() and make it virtual

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Make File inherit from RefCountedBase and provide a custom unref()
implementation. This will allow subclasses that participate in lists to
remove themselves in a safe way when being destroyed.
This commit is contained in:
Andreas Kling 2021-08-16 20:58:23 +02:00
parent fc0cd8317a
commit 641083f3b8
2 changed files with 10 additions and 1 deletions
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3
Kernel/FileSystem/File.h
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@ -71,9 +71,10 @@ public:
// - Should create a Region in the Process and return it if successful.
class File
: public RefCounted<File>
: public RefCountedBase
, public Weakable<File> {
public:
virtual bool unref() const;
virtual ~File();
virtual KResultOr<NonnullRefPtr<FileDescription>> open(int options);