arena_externs.h revision 1.1.1.2
1 #ifndef JEMALLOC_INTERNAL_ARENA_EXTERNS_H 2 #define JEMALLOC_INTERNAL_ARENA_EXTERNS_H 3 4 #include "jemalloc/internal/bin.h" 5 #include "jemalloc/internal/div.h" 6 #include "jemalloc/internal/extent_dss.h" 7 #include "jemalloc/internal/hook.h" 8 #include "jemalloc/internal/pages.h" 9 #include "jemalloc/internal/stats.h" 10 11 /* 12 * When the amount of pages to be purged exceeds this amount, deferred purge 13 * should happen. 14 */ 15 #define ARENA_DEFERRED_PURGE_NPAGES_THRESHOLD UINT64_C(1024) 16 17 extern ssize_t opt_dirty_decay_ms; 18 extern ssize_t opt_muzzy_decay_ms; 19 20 extern percpu_arena_mode_t opt_percpu_arena; 21 extern const char *percpu_arena_mode_names[]; 22 23 extern div_info_t arena_binind_div_info[SC_NBINS]; 24 25 extern malloc_mutex_t arenas_lock; 26 extern emap_t arena_emap_global; 27 28 extern size_t opt_oversize_threshold; 29 extern size_t oversize_threshold; 30 31 /* 32 * arena_bin_offsets[binind] is the offset of the first bin shard for size class 33 * binind. 34 */ 35 extern uint32_t arena_bin_offsets[SC_NBINS]; 36 37 void arena_basic_stats_merge(tsdn_t *tsdn, arena_t *arena, 38 unsigned *nthreads, const char **dss, ssize_t *dirty_decay_ms, 39 ssize_t *muzzy_decay_ms, size_t *nactive, size_t *ndirty, size_t *nmuzzy); 40 void arena_stats_merge(tsdn_t *tsdn, arena_t *arena, unsigned *nthreads, 41 const char **dss, ssize_t *dirty_decay_ms, ssize_t *muzzy_decay_ms, 42 size_t *nactive, size_t *ndirty, size_t *nmuzzy, arena_stats_t *astats, 43 bin_stats_data_t *bstats, arena_stats_large_t *lstats, 44 pac_estats_t *estats, hpa_shard_stats_t *hpastats, sec_stats_t *secstats); 45 void arena_handle_deferred_work(tsdn_t *tsdn, arena_t *arena); 46 edata_t *arena_extent_alloc_large(tsdn_t *tsdn, arena_t *arena, 47 size_t usize, size_t alignment, bool zero); 48 void arena_extent_dalloc_large_prep(tsdn_t *tsdn, arena_t *arena, 49 edata_t *edata); 50 void arena_extent_ralloc_large_shrink(tsdn_t *tsdn, arena_t *arena, 51 edata_t *edata, size_t oldsize); 52 void arena_extent_ralloc_large_expand(tsdn_t *tsdn, arena_t *arena, 53 edata_t *edata, size_t oldsize); 54 bool arena_decay_ms_set(tsdn_t *tsdn, arena_t *arena, extent_state_t state, 55 ssize_t decay_ms); 56 ssize_t arena_decay_ms_get(arena_t *arena, extent_state_t state); 57 void arena_decay(tsdn_t *tsdn, arena_t *arena, bool is_background_thread, 58 bool all); 59 uint64_t arena_time_until_deferred(tsdn_t *tsdn, arena_t *arena); 60 void arena_do_deferred_work(tsdn_t *tsdn, arena_t *arena); 61 void arena_reset(tsd_t *tsd, arena_t *arena); 62 void arena_destroy(tsd_t *tsd, arena_t *arena); 63 void arena_cache_bin_fill_small(tsdn_t *tsdn, arena_t *arena, 64 cache_bin_t *cache_bin, cache_bin_info_t *cache_bin_info, szind_t binind, 65 const unsigned nfill); 66 67 void *arena_malloc_hard(tsdn_t *tsdn, arena_t *arena, size_t size, 68 szind_t ind, bool zero); 69 void *arena_palloc(tsdn_t *tsdn, arena_t *arena, size_t usize, 70 size_t alignment, bool zero, tcache_t *tcache); 71 void arena_prof_promote(tsdn_t *tsdn, void *ptr, size_t usize); 72 void arena_dalloc_promoted(tsdn_t *tsdn, void *ptr, tcache_t *tcache, 73 bool slow_path); 74 void arena_slab_dalloc(tsdn_t *tsdn, arena_t *arena, edata_t *slab); 75 76 void arena_dalloc_bin_locked_handle_newly_empty(tsdn_t *tsdn, arena_t *arena, 77 edata_t *slab, bin_t *bin); 78 void arena_dalloc_bin_locked_handle_newly_nonempty(tsdn_t *tsdn, arena_t *arena, 79 edata_t *slab, bin_t *bin); 80 void arena_dalloc_small(tsdn_t *tsdn, void *ptr); 81 bool arena_ralloc_no_move(tsdn_t *tsdn, void *ptr, size_t oldsize, size_t size, 82 size_t extra, bool zero, size_t *newsize); 83 void *arena_ralloc(tsdn_t *tsdn, arena_t *arena, void *ptr, size_t oldsize, 84 size_t size, size_t alignment, bool zero, tcache_t *tcache, 85 hook_ralloc_args_t *hook_args); 86 dss_prec_t arena_dss_prec_get(arena_t *arena); 87 ehooks_t *arena_get_ehooks(arena_t *arena); 88 extent_hooks_t *arena_set_extent_hooks(tsd_t *tsd, arena_t *arena, 89 extent_hooks_t *extent_hooks); 90 bool arena_dss_prec_set(arena_t *arena, dss_prec_t dss_prec); 91 ssize_t arena_dirty_decay_ms_default_get(void); 92 bool arena_dirty_decay_ms_default_set(ssize_t decay_ms); 93 ssize_t arena_muzzy_decay_ms_default_get(void); 94 bool arena_muzzy_decay_ms_default_set(ssize_t decay_ms); 95 bool arena_retain_grow_limit_get_set(tsd_t *tsd, arena_t *arena, 96 size_t *old_limit, size_t *new_limit); 97 unsigned arena_nthreads_get(arena_t *arena, bool internal); 98 void arena_nthreads_inc(arena_t *arena, bool internal); 99 void arena_nthreads_dec(arena_t *arena, bool internal); 100 arena_t *arena_new(tsdn_t *tsdn, unsigned ind, const arena_config_t *config); 101 bool arena_init_huge(void); 102 bool arena_is_huge(unsigned arena_ind); 103 arena_t *arena_choose_huge(tsd_t *tsd); 104 bin_t *arena_bin_choose(tsdn_t *tsdn, arena_t *arena, szind_t binind, 105 unsigned *binshard); 106 size_t arena_fill_small_fresh(tsdn_t *tsdn, arena_t *arena, szind_t binind, 107 void **ptrs, size_t nfill, bool zero); 108 bool arena_boot(sc_data_t *sc_data, base_t *base, bool hpa); 109 void arena_prefork0(tsdn_t *tsdn, arena_t *arena); 110 void arena_prefork1(tsdn_t *tsdn, arena_t *arena); 111 void arena_prefork2(tsdn_t *tsdn, arena_t *arena); 112 void arena_prefork3(tsdn_t *tsdn, arena_t *arena); 113 void arena_prefork4(tsdn_t *tsdn, arena_t *arena); 114 void arena_prefork5(tsdn_t *tsdn, arena_t *arena); 115 void arena_prefork6(tsdn_t *tsdn, arena_t *arena); 116 void arena_prefork7(tsdn_t *tsdn, arena_t *arena); 117 void arena_prefork8(tsdn_t *tsdn, arena_t *arena); 118 void arena_postfork_parent(tsdn_t *tsdn, arena_t *arena); 119 void arena_postfork_child(tsdn_t *tsdn, arena_t *arena); 120 121 #endif /* JEMALLOC_INTERNAL_ARENA_EXTERNS_H */ 122
Indexes created Thu Apr 30 00:23:01 UTC 2026