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xo-gc: refactor, focus on DX1Collector+MutationLogState

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This commit is contained in:
Roland Conybeare 2026-04-02 21:23:46 -04:00
commit ae9e97acc2
12 changed files with 140 additions and 57 deletions
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21
include/xo/gc/GCObjectStore.hpp
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@ -5,11 +5,11 @@
#pragma once
#include "GCObjectStoreConfig.hpp"
#include "generation.hpp"
#include "object_age.hpp"
#include <xo/alloc2/role.hpp>
#include <xo/arena/DArena.hpp>
#include <xo/arena/ArenaConfig.hpp>
//#include <xo/arena/ArenaConfig.hpp>
#include <array>
namespace xo {
@ -24,7 +24,7 @@ namespace xo {
using size_type = DArena::size_type;
public:
GCObjectStore(const ArenaConfig & arena_cfg, uint32_t ngen, bool debug_flag);
explicit GCObjectStore(const GCObjectStoreConfig & cfg);
const DArena * get_space(role r, Generation g) const noexcept { return space_[r][g]; }
DArena * get_space(role r, Generation g) noexcept { return space_[r][g]; }
@ -70,19 +70,8 @@ namespace xo {
void _init_space();
private:
/** Configuration for collector spaces.
* Will have (2 x G) of these,
* where G is @ref n_generation_.
* Not using name_ member.
*
* REQUIRE:
* - arena_config_.store_header_flag_ must be true
**/
ArenaConfig arena_config_;
/** number of generations in use. Same as @ref X1CollectorConfig::n_generation_ **/
uint32_t n_generation_ = 0;
/** true to enable debug logging **/
bool debug_flag_ = false;
/** configuration for gc-aware object store **/
GCObjectStoreConfig config_;
/** arena objects for collector managed memory
* 1:1 with roles, but polarity reverses for each collection