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boost::interprocess::map_index
// In header: <boost/interprocess/indexes/map_index.hpp> template<typename MapConfig> class map_index : public boost::container::map< key_type, mapped_type, key_less, allocator_type > { public: // public member functions map_index(segment_manager_base *); void reserve(typename segment_manager_base::size_type); void shrink_to_fit(); };
Index type based in boost::interprocess::map. Just derives from boost::interprocess::map and defines the interface needed by managed memory segments
map_index
public member functionsmap_index(segment_manager_base * segment_mngr);
Constructor. Takes a pointer to the segment manager. Can throw
void reserve(typename segment_manager_base::size_type);
This reserves memory to optimize the insertion of n elements in the index
void shrink_to_fit();
This tries to free previously allocate unused memory.