56 lines
1.5 KiB
C++
56 lines
1.5 KiB
C++
#include "master.hpp"
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namespace factor {
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aging_collector::aging_collector(factor_vm* parent)
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: copying_collector<aging_space, aging_policy>(parent,
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parent->data->aging,
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aging_policy(parent)) {}
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void factor_vm::collect_aging() {
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/* Promote objects referenced from tenured space to tenured space, copy
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everything else to the aging semi-space, and reset the nursery pointer. */
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{
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/* Change the op so that if we fail here, an assertion will be
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raised. */
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current_gc->op = collect_to_tenured_op;
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to_tenured_collector collector(this);
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gc_event* event = current_gc->event;
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if (event)
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event->started_card_scan();
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collector.trace_cards(data->tenured, card_points_to_aging, full_unmarker());
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if (event)
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event->ended_card_scan(collector.cards_scanned, collector.decks_scanned);
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if (event)
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event->started_code_scan();
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collector.trace_code_heap_roots(&code->points_to_aging);
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if (event)
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event->ended_code_scan(collector.code_blocks_scanned);
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collector.tenure_reachable_objects();
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}
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{
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/* If collection fails here, do a to_tenured collection. */
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current_gc->op = collect_aging_op;
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std::swap(data->aging, data->aging_semispace);
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data->reset_generation(data->aging);
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aging_collector collector(this);
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collector.trace_roots();
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collector.trace_contexts();
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collector.cheneys_algorithm();
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data->reset_generation(&nursery);
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code->clear_remembered_set();
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}
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}
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}
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