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AK+Kernel: Make IntrusiveList capable of holding non-raw pointers
This should allow creating intrusive lists that have smart pointers, while remaining free (compared to the impl before this commit) when holding raw pointers :^) As a sidenote, this also adds a `RawPtr<T>` type, which is just equivalent to `T*`. Note that this does not actually use such functionality, but is only expected to pave the way for #6369, to replace NonnullRefPtrVector<T> with intrusive lists. As it is with zero-cost things, this makes the interface a bit less nice by requiring the type name of what an `IntrusiveListNode` holds (and optionally its container, if not RawPtr), and also requiring the type of the container (normally `RawPtr`) on the `IntrusiveList` instance.
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parent
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11 changed files with 143 additions and 80 deletions
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@ -75,7 +75,7 @@ public:
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private:
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struct WorkItem {
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IntrusiveListNode m_node;
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IntrusiveListNode<WorkItem> m_node;
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void (*function)(void*);
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void* data;
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void (*free_data)(void*);
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@ -86,7 +86,7 @@ private:
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RefPtr<Thread> m_thread;
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WaitQueue m_wait_queue;
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IntrusiveList<WorkItem, &WorkItem::m_node> m_items;
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IntrusiveList<WorkItem, RawPtr<WorkItem>, &WorkItem::m_node> m_items;
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SpinLock<u8> m_lock;
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};
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