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Use placement new to initalise objects

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This commit is contained in:
Tycho 2014-05-23 15:48:09 +01:00
parent 5a76eab4c0
commit 6991c2dd84
1 changed files with 5 additions and 2 deletions
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7
src/AllocationPool.h
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@ -36,12 +36,15 @@ class AllocationPool {
} }
} }
} }
T* ret = m_FreeList.front(); // placement new, used to initalize the object
T* ret = new (m_FreeList.front()) T;
m_FreeList.pop_front(); m_FreeList.pop_front();
return ret; return ret;
} }
void Free(T* ptr) void Free(T* ptr)
{ {
// placement destruct.
ptr->~T();
m_FreeList.push_front(ptr); m_FreeList.push_front(ptr);
if (m_FreeList.size() == BufferSize) if (m_FreeList.size() == BufferSize)
{ {
@ -50,5 +53,5 @@ class AllocationPool {
} }
private: private:
std::list<T*> m_FreeList; std::list<void *> m_FreeList;
} }