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executable file 58 lines (48 sloc) 1.14 KB
namespace factor
{
struct data_heap {
cell start;
cell young_size;
cell aging_size;
cell tenured_size;
segment *seg;
nursery_space *nursery;
aging_space *aging;
aging_space *aging_semispace;
tenured_space *tenured;
card *cards;
card *cards_end;
card_deck *decks;
card_deck *decks_end;
explicit data_heap(cell young_size, cell aging_size, cell tenured_size);
~data_heap();
data_heap *grow(cell requested_size);
template<typename Generation> void clear_cards(Generation *gen);
template<typename Generation> void clear_decks(Generation *gen);
void reset_generation(nursery_space *gen);
void reset_generation(aging_space *gen);
void reset_generation(tenured_space *gen);
bool high_fragmentation_p();
bool low_memory_p();
void mark_all_cards();
cell high_water_mark() {
return nursery->size + aging->size;
}
};
struct data_heap_room {
cell nursery_size;
cell nursery_occupied;
cell nursery_free;
cell aging_size;
cell aging_occupied;
cell aging_free;
cell tenured_size;
cell tenured_occupied;
cell tenured_total_free;
cell tenured_contiguous_free;
cell tenured_free_block_count;
cell cards;
cell decks;
cell mark_stack;
};
}