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/extent_dss.h" 6 #include "jemalloc/internal/hook.h" 7 #include "jemalloc/internal/pages.h" 8 #include "jemalloc/internal/stats.h" 9 10 extern ssize_t opt_dirty_decay_ms; 11 extern ssize_t opt_muzzy_decay_ms; 12 13 extern percpu_arena_mode_t opt_percpu_arena; 14 extern const char *percpu_arena_mode_names[]; 15 16 extern const uint64_t h_steps[SMOOTHSTEP_NSTEPS]; 17 extern malloc_mutex_t arenas_lock; 18 19 extern size_t opt_oversize_threshold; 20 extern size_t oversize_threshold; 21 22 void arena_basic_stats_merge(tsdn_t *tsdn, arena_t *arena, 23 unsigned *nthreads, const char **dss, ssize_t *dirty_decay_ms, 24 ssize_t *muzzy_decay_ms, size_t *nactive, size_t *ndirty, size_t *nmuzzy); 25 void arena_stats_merge(tsdn_t *tsdn, arena_t *arena, unsigned *nthreads, 26 const char **dss, ssize_t *dirty_decay_ms, ssize_t *muzzy_decay_ms, 27 size_t *nactive, size_t *ndirty, size_t *nmuzzy, arena_stats_t *astats, 28 bin_stats_t *bstats, arena_stats_large_t *lstats, 29 arena_stats_extents_t *estats); 30 void arena_extents_dirty_dalloc(tsdn_t *tsdn, arena_t *arena, 31 extent_hooks_t **r_extent_hooks, extent_t *extent); 32 #ifdef JEMALLOC_JET 33 size_t arena_slab_regind(extent_t *slab, szind_t binind, const void *ptr); 34 #endif 35 extent_t *arena_extent_alloc_large(tsdn_t *tsdn, arena_t *arena, 36 size_t usize, size_t alignment, bool *zero); 37 void arena_extent_dalloc_large_prep(tsdn_t *tsdn, arena_t *arena, 38 extent_t *extent); 39 void arena_extent_ralloc_large_shrink(tsdn_t *tsdn, arena_t *arena, 40 extent_t *extent, size_t oldsize); 41 void arena_extent_ralloc_large_expand(tsdn_t *tsdn, arena_t *arena, 42 extent_t *extent, size_t oldsize); 43 ssize_t arena_dirty_decay_ms_get(arena_t *arena); 44 bool arena_dirty_decay_ms_set(tsdn_t *tsdn, arena_t *arena, ssize_t decay_ms); 45 ssize_t arena_muzzy_decay_ms_get(arena_t *arena); 46 bool arena_muzzy_decay_ms_set(tsdn_t *tsdn, arena_t *arena, ssize_t decay_ms); 47 void arena_decay(tsdn_t *tsdn, arena_t *arena, bool is_background_thread, 48 bool all); 49 void arena_reset(tsd_t *tsd, arena_t *arena); 50 void arena_destroy(tsd_t *tsd, arena_t *arena); 51 void arena_tcache_fill_small(tsdn_t *tsdn, arena_t *arena, tcache_t *tcache, 52 cache_bin_t *tbin, szind_t binind, uint64_t prof_accumbytes); 53 void arena_alloc_junk_small(void *ptr, const bin_info_t *bin_info, 54 bool zero); 55 56 typedef void (arena_dalloc_junk_small_t)(void *, const bin_info_t *); 57 extern arena_dalloc_junk_small_t *JET_MUTABLE arena_dalloc_junk_small; 58 59 void *arena_malloc_hard(tsdn_t *tsdn, arena_t *arena, size_t size, 60 szind_t ind, bool zero); 61 void *arena_palloc(tsdn_t *tsdn, arena_t *arena, size_t usize, 62 size_t alignment, bool zero, tcache_t *tcache); 63 void arena_prof_promote(tsdn_t *tsdn, void *ptr, size_t usize); 64 void arena_dalloc_promoted(tsdn_t *tsdn, void *ptr, tcache_t *tcache, 65 bool slow_path); 66 void arena_dalloc_bin_junked_locked(tsdn_t *tsdn, arena_t *arena, bin_t *bin, 67 szind_t binind, extent_t *extent, void *ptr); 68 void arena_dalloc_small(tsdn_t *tsdn, void *ptr); 69 bool arena_ralloc_no_move(tsdn_t *tsdn, void *ptr, size_t oldsize, size_t size, 70 size_t extra, bool zero, size_t *newsize); 71 void *arena_ralloc(tsdn_t *tsdn, arena_t *arena, void *ptr, size_t oldsize, 72 size_t size, size_t alignment, bool zero, tcache_t *tcache, 73 hook_ralloc_args_t *hook_args); 74 dss_prec_t arena_dss_prec_get(arena_t *arena); 75 bool arena_dss_prec_set(arena_t *arena, dss_prec_t dss_prec); 76 ssize_t arena_dirty_decay_ms_default_get(void); 77 bool arena_dirty_decay_ms_default_set(ssize_t decay_ms); 78 ssize_t arena_muzzy_decay_ms_default_get(void); 79 bool arena_muzzy_decay_ms_default_set(ssize_t decay_ms); 80 bool arena_retain_grow_limit_get_set(tsd_t *tsd, arena_t *arena, 81 size_t *old_limit, size_t *new_limit); 82 unsigned arena_nthreads_get(arena_t *arena, bool internal); 83 void arena_nthreads_inc(arena_t *arena, bool internal); 84 void arena_nthreads_dec(arena_t *arena, bool internal); 85 size_t arena_extent_sn_next(arena_t *arena); 86 arena_t *arena_new(tsdn_t *tsdn, unsigned ind, extent_hooks_t *extent_hooks); 87 bool arena_init_huge(void); 88 bool arena_is_huge(unsigned arena_ind); 89 arena_t *arena_choose_huge(tsd_t *tsd); 90 bin_t *arena_bin_choose_lock(tsdn_t *tsdn, arena_t *arena, szind_t binind, 91 unsigned *binshard); 92 void arena_boot(sc_data_t *sc_data); 93 void arena_prefork0(tsdn_t *tsdn, arena_t *arena); 94 void arena_prefork1(tsdn_t *tsdn, arena_t *arena); 95 void arena_prefork2(tsdn_t *tsdn, arena_t *arena); 96 void arena_prefork3(tsdn_t *tsdn, arena_t *arena); 97 void arena_prefork4(tsdn_t *tsdn, arena_t *arena); 98 void arena_prefork5(tsdn_t *tsdn, arena_t *arena); 99 void arena_prefork6(tsdn_t *tsdn, arena_t *arena); 100 void arena_prefork7(tsdn_t *tsdn, arena_t *arena); 101 void arena_postfork_parent(tsdn_t *tsdn, arena_t *arena); 102 void arena_postfork_child(tsdn_t *tsdn, arena_t *arena); 103 104 #endif /* JEMALLOC_INTERNAL_ARENA_EXTERNS_H */ 105