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Kernel: Make KBuffer a value-type wrapper around a KBufferImpl
A KBuffer always contains a valid KBufferImpl. If you need a "null" state buffer, use Optional<KBuffer>. This makes KBuffer very easy to work with and pass around, just like ByteBuffer before it.
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6 changed files with 50 additions and 22 deletions
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@ -84,7 +84,7 @@ void NetworkAdapter::did_receive(const u8* data, int length)
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m_packet_queue.append(KBuffer::copy(data, length));
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}
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RefPtr<KBuffer> NetworkAdapter::dequeue_packet()
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Optional<KBuffer> NetworkAdapter::dequeue_packet()
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{
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InterruptDisabler disabler;
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if (m_packet_queue.is_empty())
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