41 lines
994 B
C++
41 lines
994 B
C++
namespace factor {
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struct tenured_space : free_list_allocator<object> {
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object_start_map starts;
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tenured_space(cell size, cell start)
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: free_list_allocator<object>(size, start), starts(size, start) {}
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object* allot(cell size) {
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object* obj = free_list_allocator<object>::allot(size);
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if (obj) {
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starts.record_object_start_offset(obj);
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return obj;
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} else
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return NULL;
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}
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cell first_object() {
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return (cell)next_allocated_block_after(this->first_block());
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}
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cell next_object_after(cell scan) {
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cell size = ((object*)scan)->size();
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object* next = (object*)(scan + size);
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return (cell)next_allocated_block_after(next);
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}
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void clear_mark_bits() { state.clear_mark_bits(); }
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bool marked_p(object* obj) { return this->state.marked_p(obj); }
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void set_marked_p(object* obj) { this->state.set_marked_p(obj); }
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void sweep() {
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free_list_allocator<object>::sweep();
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starts.update_for_sweep(&this->state);
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}
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};
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}
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