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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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11 changed files with 143 additions and 80 deletions
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@ -120,7 +120,7 @@ protected:
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mode_t m_umask { 022 };
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VirtualAddress m_signal_trampoline;
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Atomic<u32> m_thread_count { 0 };
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IntrusiveList<Thread, &Thread::m_process_thread_list_node> m_thread_list;
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IntrusiveList<Thread, RawPtr<Thread>, &Thread::m_process_thread_list_node> m_thread_list;
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u8 m_termination_status { 0 };
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u8 m_termination_signal { 0 };
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};
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