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Kernel: Virtualize the File::stat() operation

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Instead of FileDescriptor branching on the type of File it's wrapping,
add a File::stat() function that can be overridden to provide custom
behavior for the stat syscalls.
This commit is contained in:
Andreas Kling 2020-09-06 18:31:51 +02:00
parent 5444cabd39
commit 22831033d0
6 changed files with 28 additions and 20 deletions
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1
Kernel/FileSystem/FIFO.h
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@ -59,6 +59,7 @@ private:
// ^File
virtual KResultOr<size_t> write(FileDescription&, size_t, const u8*, size_t) override;
virtual KResultOr<size_t> read(FileDescription&, size_t, u8*, size_t) override;
virtual KResult stat(::stat&) const override;
virtual bool can_read(const FileDescription&, size_t) const override;
virtual bool can_write(const FileDescription&, size_t) const override;
virtual String absolute_path(const FileDescription&) const override;