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Kernel: Use KResultOr<size_t> for the DoubleBuffer class
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commit
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4 changed files with 31 additions and 31 deletions
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@ -18,19 +18,19 @@ class DoubleBuffer {
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public:
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explicit DoubleBuffer(size_t capacity = 65536);
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[[nodiscard]] ssize_t write(const UserOrKernelBuffer&, size_t);
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[[nodiscard]] ssize_t write(const u8* data, size_t size)
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[[nodiscard]] KResultOr<size_t> write(const UserOrKernelBuffer&, size_t);
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[[nodiscard]] KResultOr<size_t> write(const u8* data, size_t size)
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{
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return write(UserOrKernelBuffer::for_kernel_buffer(const_cast<u8*>(data)), size);
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}
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[[nodiscard]] ssize_t read(UserOrKernelBuffer&, size_t);
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[[nodiscard]] ssize_t read(u8* data, size_t size)
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[[nodiscard]] KResultOr<size_t> read(UserOrKernelBuffer&, size_t);
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[[nodiscard]] KResultOr<size_t> read(u8* data, size_t size)
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{
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auto buffer = UserOrKernelBuffer::for_kernel_buffer(data);
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return read(buffer, size);
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}
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[[nodiscard]] ssize_t peek(UserOrKernelBuffer&, size_t);
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[[nodiscard]] ssize_t peek(u8* data, size_t size)
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[[nodiscard]] KResultOr<size_t> peek(UserOrKernelBuffer&, size_t);
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[[nodiscard]] KResultOr<size_t> peek(u8* data, size_t size)
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{
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auto buffer = UserOrKernelBuffer::for_kernel_buffer(data);
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return peek(buffer, size);
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