arena_externs.h 5.4 KB

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  1. #ifndef JEMALLOC_INTERNAL_ARENA_EXTERNS_H
  2. #define JEMALLOC_INTERNAL_ARENA_EXTERNS_H
  3. #include "jemalloc/internal/bin.h"
  4. #include "jemalloc/internal/div.h"
  5. #include "jemalloc/internal/extent_dss.h"
  6. #include "jemalloc/internal/hook.h"
  7. #include "jemalloc/internal/pages.h"
  8. #include "jemalloc/internal/stats.h"
  9. /*
  10. * When the amount of pages to be purged exceeds this amount, deferred purge
  11. * should happen.
  12. */
  13. #define ARENA_DEFERRED_PURGE_NPAGES_THRESHOLD UINT64_C(1024)
  14. extern ssize_t opt_dirty_decay_ms;
  15. extern ssize_t opt_muzzy_decay_ms;
  16. extern percpu_arena_mode_t opt_percpu_arena;
  17. extern const char *percpu_arena_mode_names[];
  18. extern div_info_t arena_binind_div_info[SC_NBINS];
  19. extern malloc_mutex_t arenas_lock;
  20. extern emap_t arena_emap_global;
  21. extern size_t opt_oversize_threshold;
  22. extern size_t oversize_threshold;
  23. /*
  24. * arena_bin_offsets[binind] is the offset of the first bin shard for size class
  25. * binind.
  26. */
  27. extern uint32_t arena_bin_offsets[SC_NBINS];
  28. void arena_basic_stats_merge(tsdn_t *tsdn, arena_t *arena,
  29. unsigned *nthreads, const char **dss, ssize_t *dirty_decay_ms,
  30. ssize_t *muzzy_decay_ms, size_t *nactive, size_t *ndirty, size_t *nmuzzy);
  31. void arena_stats_merge(tsdn_t *tsdn, arena_t *arena, unsigned *nthreads,
  32. const char **dss, ssize_t *dirty_decay_ms, ssize_t *muzzy_decay_ms,
  33. size_t *nactive, size_t *ndirty, size_t *nmuzzy, arena_stats_t *astats,
  34. bin_stats_data_t *bstats, arena_stats_large_t *lstats,
  35. pac_estats_t *estats, hpa_shard_stats_t *hpastats, sec_stats_t *secstats);
  36. void arena_handle_deferred_work(tsdn_t *tsdn, arena_t *arena);
  37. edata_t *arena_extent_alloc_large(tsdn_t *tsdn, arena_t *arena,
  38. size_t usize, size_t alignment, bool zero);
  39. void arena_extent_dalloc_large_prep(tsdn_t *tsdn, arena_t *arena,
  40. edata_t *edata);
  41. void arena_extent_ralloc_large_shrink(tsdn_t *tsdn, arena_t *arena,
  42. edata_t *edata, size_t oldsize);
  43. void arena_extent_ralloc_large_expand(tsdn_t *tsdn, arena_t *arena,
  44. edata_t *edata, size_t oldsize);
  45. bool arena_decay_ms_set(tsdn_t *tsdn, arena_t *arena, extent_state_t state,
  46. ssize_t decay_ms);
  47. ssize_t arena_decay_ms_get(arena_t *arena, extent_state_t state);
  48. void arena_decay(tsdn_t *tsdn, arena_t *arena, bool is_background_thread,
  49. bool all);
  50. uint64_t arena_time_until_deferred(tsdn_t *tsdn, arena_t *arena);
  51. void arena_do_deferred_work(tsdn_t *tsdn, arena_t *arena);
  52. void arena_reset(tsd_t *tsd, arena_t *arena);
  53. void arena_destroy(tsd_t *tsd, arena_t *arena);
  54. void arena_cache_bin_fill_small(tsdn_t *tsdn, arena_t *arena,
  55. cache_bin_t *cache_bin, cache_bin_info_t *cache_bin_info, szind_t binind,
  56. const unsigned nfill);
  57. void *arena_malloc_hard(tsdn_t *tsdn, arena_t *arena, size_t size,
  58. szind_t ind, bool zero);
  59. void *arena_palloc(tsdn_t *tsdn, arena_t *arena, size_t usize,
  60. size_t alignment, bool zero, tcache_t *tcache);
  61. void arena_prof_promote(tsdn_t *tsdn, void *ptr, size_t usize);
  62. void arena_dalloc_promoted(tsdn_t *tsdn, void *ptr, tcache_t *tcache,
  63. bool slow_path);
  64. void arena_slab_dalloc(tsdn_t *tsdn, arena_t *arena, edata_t *slab);
  65. void arena_dalloc_bin_locked_handle_newly_empty(tsdn_t *tsdn, arena_t *arena,
  66. edata_t *slab, bin_t *bin);
  67. void arena_dalloc_bin_locked_handle_newly_nonempty(tsdn_t *tsdn, arena_t *arena,
  68. edata_t *slab, bin_t *bin);
  69. void arena_dalloc_small(tsdn_t *tsdn, void *ptr);
  70. bool arena_ralloc_no_move(tsdn_t *tsdn, void *ptr, size_t oldsize, size_t size,
  71. size_t extra, bool zero, size_t *newsize);
  72. void *arena_ralloc(tsdn_t *tsdn, arena_t *arena, void *ptr, size_t oldsize,
  73. size_t size, size_t alignment, bool zero, tcache_t *tcache,
  74. hook_ralloc_args_t *hook_args);
  75. dss_prec_t arena_dss_prec_get(arena_t *arena);
  76. ehooks_t *arena_get_ehooks(arena_t *arena);
  77. extent_hooks_t *arena_set_extent_hooks(tsd_t *tsd, arena_t *arena,
  78. extent_hooks_t *extent_hooks);
  79. bool arena_dss_prec_set(arena_t *arena, dss_prec_t dss_prec);
  80. ssize_t arena_dirty_decay_ms_default_get(void);
  81. bool arena_dirty_decay_ms_default_set(ssize_t decay_ms);
  82. ssize_t arena_muzzy_decay_ms_default_get(void);
  83. bool arena_muzzy_decay_ms_default_set(ssize_t decay_ms);
  84. bool arena_retain_grow_limit_get_set(tsd_t *tsd, arena_t *arena,
  85. size_t *old_limit, size_t *new_limit);
  86. unsigned arena_nthreads_get(arena_t *arena, bool internal);
  87. void arena_nthreads_inc(arena_t *arena, bool internal);
  88. void arena_nthreads_dec(arena_t *arena, bool internal);
  89. arena_t *arena_new(tsdn_t *tsdn, unsigned ind, const arena_config_t *config);
  90. bool arena_init_huge(void);
  91. bool arena_is_huge(unsigned arena_ind);
  92. arena_t *arena_choose_huge(tsd_t *tsd);
  93. bin_t *arena_bin_choose(tsdn_t *tsdn, arena_t *arena, szind_t binind,
  94. unsigned *binshard);
  95. size_t arena_fill_small_fresh(tsdn_t *tsdn, arena_t *arena, szind_t binind,
  96. void **ptrs, size_t nfill, bool zero);
  97. bool arena_boot(sc_data_t *sc_data, base_t *base, bool hpa);
  98. void arena_prefork0(tsdn_t *tsdn, arena_t *arena);
  99. void arena_prefork1(tsdn_t *tsdn, arena_t *arena);
  100. void arena_prefork2(tsdn_t *tsdn, arena_t *arena);
  101. void arena_prefork3(tsdn_t *tsdn, arena_t *arena);
  102. void arena_prefork4(tsdn_t *tsdn, arena_t *arena);
  103. void arena_prefork5(tsdn_t *tsdn, arena_t *arena);
  104. void arena_prefork6(tsdn_t *tsdn, arena_t *arena);
  105. void arena_prefork7(tsdn_t *tsdn, arena_t *arena);
  106. void arena_prefork8(tsdn_t *tsdn, arena_t *arena);
  107. void arena_postfork_parent(tsdn_t *tsdn, arena_t *arena);
  108. void arena_postfork_child(tsdn_t *tsdn, arena_t *arena);
  109. #endif /* JEMALLOC_INTERNAL_ARENA_EXTERNS_H */