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Kernel: Make Inode::traverse_as_directory() callback return ErrorOr

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This allows us to propagate errors from inside the callback with TRY().
This commit is contained in:
Andreas Kling 2021-11-10 15:42:39 +01:00
parent a15ed8743d
commit 5ce753b74d
31 changed files with 154 additions and 151 deletions
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6
Kernel/Process.h
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@ -566,10 +566,10 @@ public:
ErrorOr<void> procfs_get_current_work_directory_link(KBufferBuilder& builder) const;
mode_t binary_link_required_mode() const;
ErrorOr<size_t> procfs_get_thread_stack(ThreadID thread_id, KBufferBuilder& builder) const;
ErrorOr<void> traverse_stacks_directory(unsigned fsid, Function<bool(FileSystem::DirectoryEntryView const&)> callback) const;
ErrorOr<void> traverse_stacks_directory(unsigned fsid, Function<ErrorOr<void>(FileSystem::DirectoryEntryView const&)> callback) const;
ErrorOr<NonnullRefPtr<Inode>> lookup_stacks_directory(const ProcFS&, StringView name) const;
ErrorOr<size_t> procfs_get_file_description_link(unsigned fd, KBufferBuilder& builder) const;
ErrorOr<void> traverse_file_descriptions_directory(unsigned fsid, Function<bool(FileSystem::DirectoryEntryView const&)> callback) const;
ErrorOr<void> traverse_file_descriptions_directory(unsigned fsid, Function<ErrorOr<void>(FileSystem::DirectoryEntryView const&)> callback) const;
ErrorOr<NonnullRefPtr<Inode>> lookup_file_descriptions_directory(const ProcFS&, StringView name) const;
private:
@ -723,7 +723,7 @@ public:
virtual InodeIndex component_index() const override;
virtual ErrorOr<NonnullRefPtr<Inode>> to_inode(const ProcFS& procfs_instance) const override;
virtual ErrorOr<void> traverse_as_directory(unsigned, Function<bool(FileSystem::DirectoryEntryView const&)>) const override;
virtual ErrorOr<void> traverse_as_directory(unsigned, Function<ErrorOr<void>(FileSystem::DirectoryEntryView const&)>) const override;
virtual mode_t required_mode() const override { return 0555; }
virtual UserID owner_user() const override;