static void deallocate_many(multiallocation_chain &chain)
{
std::size_t size = chain.size();
std::pair<void*, void*> ptrs = chain.extract_data();
boost_cont_memchain dlchain;
BOOST_CONTAINER_MEMCHAIN_INIT_FROM(&dlchain, ptrs.first, ptrs.second, size);
boost_cont_multidealloc(&dlchain);
}
static void deallocate_individual(Allocator &a, multiallocation_chain &holder)
{
size_type n = holder.size();
typename multiallocation_chain::iterator it = holder.begin();
while(n--){
pointer p = boost::intrusive::pointer_traits<pointer>::pointer_to(*it);
++it;
a.deallocate(p, 1);
}
}
void deallocate_nodes(multiallocation_chain chain)
{
typedef typename multiallocation_chain::iterator iterator;
iterator it(chain.begin()), itend(chain.end());
while(it != itend){
void *pElem = &*it;
++it;
priv_dealloc_node(pElem);
}
}
static void allocate_individual(Allocator &a, size_type n, multiallocation_chain &m)
{
allocate_individual_rollback rollback(a, m);
while(n--){
m.push_front(a.allocate(1));
}
rollback.release();
}
void cached_allocation(size_type n, multiallocation_chain &chain)
{
size_type count = n, allocated(0);
BOOST_TRY{
//If don't have any cached node, we have to get a new list of free nodes from the pool
while(!m_cached_nodes.empty() && count--){
void *ret = ipcdetail::to_raw_pointer(m_cached_nodes.pop_front());
chain.push_back(ret);
++allocated;
}
if(allocated != n){
mp_node_pool->allocate_nodes(n - allocated, chain);
}
}
BOOST_CATCH(...){
this->cached_deallocation(chain);
BOOST_RETHROW
}
