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Kernel: Replace KResult and KResultOr<T> with Error and ErrorOr<T>
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. :^)
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262 changed files with 2415 additions and 2600 deletions
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@ -24,13 +24,13 @@ namespace Kernel {
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class [[nodiscard]] KBuffer {
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public:
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static KResultOr<NonnullOwnPtr<KBuffer>> try_create_with_size(size_t size, Memory::Region::Access access = Memory::Region::Access::ReadWrite, StringView name = "KBuffer", AllocationStrategy strategy = AllocationStrategy::Reserve)
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static ErrorOr<NonnullOwnPtr<KBuffer>> try_create_with_size(size_t size, Memory::Region::Access access = Memory::Region::Access::ReadWrite, StringView name = "KBuffer", AllocationStrategy strategy = AllocationStrategy::Reserve)
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{
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auto region = TRY(MM.allocate_kernel_region(Memory::page_round_up(size), name, access, strategy));
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return TRY(adopt_nonnull_own_or_enomem(new (nothrow) KBuffer { size, move(region) }));
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}
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static KResultOr<NonnullOwnPtr<KBuffer>> try_create_with_bytes(ReadonlyBytes bytes, Memory::Region::Access access = Memory::Region::Access::ReadWrite, StringView name = "KBuffer", AllocationStrategy strategy = AllocationStrategy::Reserve)
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static ErrorOr<NonnullOwnPtr<KBuffer>> try_create_with_bytes(ReadonlyBytes bytes, Memory::Region::Access access = Memory::Region::Access::ReadWrite, StringView name = "KBuffer", AllocationStrategy strategy = AllocationStrategy::Reserve)
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{
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auto buffer = TRY(try_create_with_size(bytes.size(), access, name, strategy));
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memcpy(buffer->data(), bytes.data(), bytes.size());
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