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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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4
Kernel/Memory/RingBuffer.h
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@ -18,8 +18,8 @@ public:
bool has_space() const { return m_num_used_bytes < m_capacity_in_bytes; }
bool copy_data_in(const UserOrKernelBuffer& buffer, size_t offset, size_t length, PhysicalAddress& start_of_copied_data, size_t& bytes_copied);
KResultOr<size_t> copy_data_out(size_t size, UserOrKernelBuffer& buffer) const;
KResultOr<PhysicalAddress> reserve_space(size_t size);
ErrorOr<size_t> copy_data_out(size_t size, UserOrKernelBuffer& buffer) const;
ErrorOr<PhysicalAddress> reserve_space(size_t size);
void reclaim_space(PhysicalAddress chunk_start, size_t chunk_size);
PhysicalAddress start_of_used() const;