ReleaseListToSpans()

void Spices::CentralCache::ReleaseListToSpans	(	void *	start,
		size_t	size )

Release memory to pc.

Parameters

[in]	start	memory start pointer.
[in]	size	aligned bytes.

Iter all blocks and insert to span.

Find span.

Insert from head to span.

if span is not in use, than release to pc.

unlock span mutex.

release to pc.

get span mutex.

Iter all blocks and insert to span.

Find span.

Insert from head to span.

if span is not in use, than release to pc.

unlock span mutex.

release to pc.

get span mutex.

Definition at line 122 of file CentralCache.cpp.

    {
        const size_t index = MemoryPool::Index(size);
 
        {
            std::unique_lock<std::mutex> lock(m_SpanLists[index].GetMutex());
 
            while (start)
            {
                void* next = MemoryPool::PointerSpace(start);
 
                scl::span* s = PageCache::Get()->MapObjectToSpan(start);
 
                MemoryPool::PointerSpace(start) = s->m_FreeList;
                s->m_FreeList = start;
                s->m_UseCount--;
 
                if (s->m_UseCount == 0)
                {
                    m_SpanLists[index].Erase(s);
                    s->m_FreeList = nullptr;
 
                    m_SpanLists[index].GetMutex().unlock();
 
                    PageCache::Get()->ReleaseSpanToPageCache(s);
 
                    m_SpanLists[index].GetMutex().lock();
                }
                
                start = next;
            }
        }
    }

References Spices::PageCache::Get(), scl::span::m_FreeList, Spices::PageCache::MapObjectToSpan(), Spices::MemoryPool::PointerSpace(), and Spices::PageCache::ReleaseSpanToPageCache().