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Kernel: Replace KResult and KResultOr<T> with Error and ErrorOr<T>

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We now use AK::Error and AK::ErrorOr<T> in both kernel and userspace!
This was a slightly tedious refactoring that took a long time, so it's
not unlikely that some bugs crept in.

Nevertheless, it does pass basic functionality testing, and it's just
real nice to finally see the same pattern in all contexts. :^)
This commit is contained in:
Andreas Kling 2021-11-08 00:51:39 +01:00
parent 7ee10c6926
commit 79fa9765ca
262 changed files with 2415 additions and 2600 deletions
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26
Kernel/FileSystem/DevPtsFS.h
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@ -20,16 +20,16 @@ class DevPtsFS final : public FileSystem {
public:
virtual ~DevPtsFS() override;
static KResultOr<NonnullRefPtr<DevPtsFS>> try_create();
static ErrorOr<NonnullRefPtr<DevPtsFS>> try_create();
virtual KResult initialize() override;
virtual ErrorOr<void> initialize() override;
virtual StringView class_name() const override { return "DevPtsFS"sv; }
virtual Inode& root_inode() override;
private:
DevPtsFS();
KResultOr<NonnullRefPtr<Inode>> get_inode(InodeIdentifier) const;
ErrorOr<NonnullRefPtr<Inode>> get_inode(InodeIdentifier) const;
RefPtr<DevPtsFSInode> m_root_inode;
};
@ -47,17 +47,17 @@ private:
DevPtsFSInode(DevPtsFS&, InodeIndex, SlavePTY*);
// ^Inode
virtual KResultOr<size_t> read_bytes(off_t, size_t, UserOrKernelBuffer& buffer, OpenFileDescription*) const override;
virtual ErrorOr<size_t> read_bytes(off_t, size_t, UserOrKernelBuffer& buffer, OpenFileDescription*) const override;
virtual InodeMetadata metadata() const override;
virtual KResult traverse_as_directory(Function<bool(FileSystem::DirectoryEntryView const&)>) const override;
virtual KResultOr<NonnullRefPtr<Inode>> lookup(StringView name) override;
virtual KResult flush_metadata() override;
virtual KResultOr<size_t> write_bytes(off_t, size_t, const UserOrKernelBuffer& buffer, OpenFileDescription*) override;
virtual KResultOr<NonnullRefPtr<Inode>> create_child(StringView name, mode_t, dev_t, UserID, GroupID) override;
virtual KResult add_child(Inode&, const StringView& name, mode_t) override;
virtual KResult remove_child(const StringView& name) override;
virtual KResult chmod(mode_t) override;
virtual KResult chown(UserID, GroupID) override;
virtual ErrorOr<void> traverse_as_directory(Function<bool(FileSystem::DirectoryEntryView const&)>) const override;
virtual ErrorOr<NonnullRefPtr<Inode>> lookup(StringView name) override;
virtual ErrorOr<void> flush_metadata() override;
virtual ErrorOr<size_t> write_bytes(off_t, size_t, const UserOrKernelBuffer& buffer, OpenFileDescription*) override;
virtual ErrorOr<NonnullRefPtr<Inode>> create_child(StringView name, mode_t, dev_t, UserID, GroupID) override;
virtual ErrorOr<void> add_child(Inode&, const StringView& name, mode_t) override;
virtual ErrorOr<void> remove_child(const StringView& name) override;
virtual ErrorOr<void> chmod(mode_t) override;
virtual ErrorOr<void> chown(UserID, GroupID) override;
WeakPtr<SlavePTY> m_pty;
InodeMetadata m_metadata;