FetchRange()

size_t Spices::CentralCache::FetchRange	(	void *&	start,
		void *&	end,
		size_t	batchNum,
		size_t	size )

Fetch range memory to tc.

Parameters

[in,out]	start	memory start block pointer.
[in,out]	end	memory end block pointer.
[in]	batchNum	block count.
[in]	size	aligned bytes.

Returns

Returns actual block count.

fetch spare memory.

fetch spare memory.

Definition at line 15 of file CentralCache.cpp.

    {
        const size_t index = MemoryPool::Index(size);
        size_t actualNum = 1;
 
        {
            std::unique_lock<std::mutex> lock(m_SpanLists[index].GetMutex());
 
            scl::span* s = GetOneSpan(m_SpanLists[index], size);
            assert(s);
            assert(s->m_FreeList);
 
            start = end = s->m_FreeList;
            
            size_t i = 0;
            while (i < batchNum - 1 && MemoryPool::PointerSpace(end) != nullptr)
            {
                end = MemoryPool::PointerSpace(end);
                ++actualNum;
                ++i;
            }
 
            s->m_FreeList = MemoryPool::PointerSpace(end);
            s->m_UseCount += actualNum;
            MemoryPool::PointerSpace(end) = nullptr;
        }
 
        return actualNum;
    }

References scl::span::m_FreeList, and Spices::MemoryPool::PointerSpace().