msgpack/cpp/zone.cpp

#include "zone.hpp"

namespace msgpack {


void* zone::alloc()
{
	if(m_used >= m_pool.size()*MSGPACK_ZONE_CHUNK_SIZE) {
		m_pool.push_back(chunk_t());
	}
	void* data = m_pool[m_used/MSGPACK_ZONE_CHUNK_SIZE].cells[m_used%MSGPACK_ZONE_CHUNK_SIZE].data;
	++m_used;
	return data;
}

void zone::clear()
{
	for(size_t b=0; b < m_used/MSGPACK_ZONE_CHUNK_SIZE; ++b) {
		cell_t* c(m_pool[b].cells);
		for(size_t e=0; e < MSGPACK_ZONE_CHUNK_SIZE; ++e) {
			reinterpret_cast<object_class*>(c[e].data)->~object_class();
		}
	}
	cell_t* c(m_pool.back().cells);
	for(size_t e=0; e < m_used%MSGPACK_ZONE_CHUNK_SIZE; ++e) {
		reinterpret_cast<object_class*>(c[e].data)->~object_class();
	}
	m_used = 0;
	m_pool.resize(1);
	for(user_finalizer_t::reverse_iterator it(m_user_finalizer.rbegin()), it_end(m_user_finalizer.rend());
			it != it_end;
			++it) {
		it->call();
	}
	m_user_finalizer.clear();
}


}  // namespace msgpack