46 lines
909 B
C++
46 lines
909 B
C++
#pragma once
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#include "Baselib.h"
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#include "Cpp/mpmc_node_stack.h"
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namespace il2cpp
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{
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namespace utils
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{
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typedef baselib::mpmc_node ThreadSafeFreeListNode;
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/// Lockless allocator that keeps instances of T on a free list.
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///
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/// T must be derived from ThreadSafeFreeListNode.
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///
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template<typename T>
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struct ThreadSafeFreeList
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{
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T* Allocate()
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{
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T* instance = m_NodePool.try_pop_back();
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if (!instance)
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instance = new T();
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return instance;
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}
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void Release(T* instance)
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{
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m_NodePool.push_back(instance);
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}
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~ThreadSafeFreeList()
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{
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T* instance;
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while ((instance = m_NodePool.try_pop_back()) != NULL)
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delete instance;
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}
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private:
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baselib::mpmc_node_stack<T> m_NodePool;
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};
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} /* utils */
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} /* il2cpp */
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