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/pages.h" 7 #include "jemalloc/internal/size_classes.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 void arena_basic_stats_merge(tsdn_t *tsdn, arena_t *arena, 20 unsigned *nthreads, const char **dss, ssize_t *dirty_decay_ms, 21 ssize_t *muzzy_decay_ms, size_t *nactive, size_t *ndirty, size_t *nmuzzy); 22 void arena_stats_merge(tsdn_t *tsdn, arena_t *arena, unsigned *nthreads, 23 const char **dss, ssize_t *dirty_decay_ms, ssize_t *muzzy_decay_ms, 24 size_t *nactive, size_t *ndirty, size_t *nmuzzy, arena_stats_t *astats, 25 bin_stats_t *bstats, arena_stats_large_t *lstats); 26 void arena_extents_dirty_dalloc(tsdn_t *tsdn, arena_t *arena, 27 extent_hooks_t **r_extent_hooks, extent_t *extent); 28 #ifdef JEMALLOC_JET 29 size_t arena_slab_regind(extent_t *slab, szind_t binind, const void *ptr); 30 #endif 31 extent_t *arena_extent_alloc_large(tsdn_t *tsdn, arena_t *arena, 32 size_t usize, size_t alignment, bool *zero); 33 void arena_extent_dalloc_large_prep(tsdn_t *tsdn, arena_t *arena, 34 extent_t *extent); 35 void arena_extent_ralloc_large_shrink(tsdn_t *tsdn, arena_t *arena, 36 extent_t *extent, size_t oldsize); 37 void arena_extent_ralloc_large_expand(tsdn_t *tsdn, arena_t *arena, 38 extent_t *extent, size_t oldsize); 39 ssize_t arena_dirty_decay_ms_get(arena_t *arena); 40 bool arena_dirty_decay_ms_set(tsdn_t *tsdn, arena_t *arena, ssize_t decay_ms); 41 ssize_t arena_muzzy_decay_ms_get(arena_t *arena); 42 bool arena_muzzy_decay_ms_set(tsdn_t *tsdn, arena_t *arena, ssize_t decay_ms); 43 void arena_decay(tsdn_t *tsdn, arena_t *arena, bool is_background_thread, 44 bool all); 45 void arena_reset(tsd_t *tsd, arena_t *arena); 46 void arena_destroy(tsd_t *tsd, arena_t *arena); 47 void arena_tcache_fill_small(tsdn_t *tsdn, arena_t *arena, tcache_t *tcache, 48 cache_bin_t *tbin, szind_t binind, uint64_t prof_accumbytes); 49 void arena_alloc_junk_small(void *ptr, const bin_info_t *bin_info, 50 bool zero); 51 52 typedef void (arena_dalloc_junk_small_t)(void *, const bin_info_t *); 53 extern arena_dalloc_junk_small_t *JET_MUTABLE arena_dalloc_junk_small; 54 55 void *arena_malloc_hard(tsdn_t *tsdn, arena_t *arena, size_t size, 56 szind_t ind, bool zero); 57 void *arena_palloc(tsdn_t *tsdn, arena_t *arena, size_t usize, 58 size_t alignment, bool zero, tcache_t *tcache); 59 void arena_prof_promote(tsdn_t *tsdn, const void *ptr, size_t usize); 60 void arena_dalloc_promoted(tsdn_t *tsdn, void *ptr, tcache_t *tcache, 61 bool slow_path); 62 void arena_dalloc_bin_junked_locked(tsdn_t *tsdn, arena_t *arena, 63 extent_t *extent, void *ptr); 64 void arena_dalloc_small(tsdn_t *tsdn, void *ptr); 65 bool arena_ralloc_no_move(tsdn_t *tsdn, void *ptr, size_t oldsize, size_t size, 66 size_t extra, bool zero); 67 void *arena_ralloc(tsdn_t *tsdn, arena_t *arena, void *ptr, size_t oldsize, 68 size_t size, size_t alignment, bool zero, tcache_t *tcache); 69 dss_prec_t arena_dss_prec_get(arena_t *arena); 70 bool arena_dss_prec_set(arena_t *arena, dss_prec_t dss_prec); 71 ssize_t arena_dirty_decay_ms_default_get(void); 72 bool arena_dirty_decay_ms_default_set(ssize_t decay_ms); 73 ssize_t arena_muzzy_decay_ms_default_get(void); 74 bool arena_muzzy_decay_ms_default_set(ssize_t decay_ms); 75 bool arena_retain_grow_limit_get_set(tsd_t *tsd, arena_t *arena, 76 size_t *old_limit, size_t *new_limit); 77 unsigned arena_nthreads_get(arena_t *arena, bool internal); 78 void arena_nthreads_inc(arena_t *arena, bool internal); 79 void arena_nthreads_dec(arena_t *arena, bool internal); 80 size_t arena_extent_sn_next(arena_t *arena); 81 arena_t *arena_new(tsdn_t *tsdn, unsigned ind, extent_hooks_t *extent_hooks); 82 void arena_boot(void); 83 void arena_prefork0(tsdn_t *tsdn, arena_t *arena); 84 void arena_prefork1(tsdn_t *tsdn, arena_t *arena); 85 void arena_prefork2(tsdn_t *tsdn, arena_t *arena); 86 void arena_prefork3(tsdn_t *tsdn, arena_t *arena); 87 void arena_prefork4(tsdn_t *tsdn, arena_t *arena); 88 void arena_prefork5(tsdn_t *tsdn, arena_t *arena); 89 void arena_prefork6(tsdn_t *tsdn, arena_t *arena); 90 void arena_prefork7(tsdn_t *tsdn, arena_t *arena); 91 void arena_postfork_parent(tsdn_t *tsdn, arena_t *arena); 92 void arena_postfork_child(tsdn_t *tsdn, arena_t *arena); 93 94 #endif /* JEMALLOC_INTERNAL_ARENA_EXTERNS_H */ 95