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Kernel: Virtualize the File::stat() operation
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.
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6 changed files with 28 additions and 20 deletions
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@ -78,6 +78,7 @@ public:
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virtual KResultOr<size_t> write(FileDescription&, size_t, const u8*, size_t) = 0;
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virtual int ioctl(FileDescription&, unsigned request, FlatPtr arg);
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virtual KResultOr<Region*> mmap(Process&, FileDescription&, VirtualAddress preferred_vaddr, size_t offset, size_t size, int prot, bool shared);
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virtual KResult stat(::stat&) const { return KResult(-EBADF); }
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virtual String absolute_path(const FileDescription&) const = 0;
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