void ChunkPool::free( void *ptr )
{
if (NULL == ptr) return ;
malloc_block* pDelMallocBlock = mem2block(ptr);
if (!IS_MASK_OK(pDelMallocBlock->_head))
{
// 校验内存块错误
return ;
}
if (m_blockSize != GET_BLOCK_LENGTH(pDelMallocBlock->_head))
{
// 内存块释放长度问题
return ;
}
if (DEBUG_SWITCH_INIT_MEMORY) //debug调试
{
memset(ptr, 0, m_blockSize - sizeof(muint32));
}
// 更改使用状态
EXCHANGE_BLOCK_UNUSE(pDelMallocBlock->_head);
pDelMallocBlock->_next = m_pBlockHead;
m_pBlockHead = pDelMallocBlock;
// 可以尝试释放内存单元
}
void MemoryPool::free( void *p, muint32 size )
{
if (NULL == p) return ;
malloc_block* pMallocBlock = mem2block(p);
muint32 length = GET_BLOCK_LENGTH(pMallocBlock->_head);
muint32 index = GET_CHUNKPOOL_INDEX(length-sizeof(muint32));
if (index < CHUNK_POOL_SIZE)
{
m_pChunkPool[index].free(p);
}
else
{
// 从进程堆分配内存
::free(p);
p = NULL;
}
}
static Block*
_allocb(int size)
{
return mem2block(mallocz(blocksize(size), 0), size, 1);
}
