#ifndef JEMALLOC_INTERNAL_ARENA_EXTERNS_H

#define JEMALLOC_INTERNAL_ARENA_EXTERNS_H

#include "jemalloc/internal/bin.h"

#include "jemalloc/internal/extent_dss.h"

#include "jemalloc/internal/hook.h"

#include "jemalloc/internal/pages.h"

#include "jemalloc/internal/stats.h"

extern ssize_t opt_dirty_decay_ms;

extern ssize_t opt_muzzy_decay_ms;

extern percpu_arena_mode_t opt_percpu_arena;

extern const char *percpu_arena_mode_names[];

extern const uint64_t h_steps[SMOOTHSTEP_NSTEPS];

extern malloc_mutex_t arenas_lock;

extern size_t opt_oversize_threshold;

extern size_t oversize_threshold;

void arena_basic_stats_merge(tsdn_t *tsdn, arena_t *arena,

    unsigned *nthreads, const char **dss, ssize_t *dirty_decay_ms,

    ssize_t *muzzy_decay_ms, size_t *nactive, size_t *ndirty, size_t *nmuzzy);

void arena_stats_merge(tsdn_t *tsdn, arena_t *arena, unsigned *nthreads,

    const char **dss, ssize_t *dirty_decay_ms, ssize_t *muzzy_decay_ms,

    size_t *nactive, size_t *ndirty, size_t *nmuzzy, arena_stats_t *astats,

    bin_stats_t *bstats, arena_stats_large_t *lstats,

    arena_stats_extents_t *estats);

void arena_extents_dirty_dalloc(tsdn_t *tsdn, arena_t *arena,

    extent_hooks_t **r_extent_hooks, extent_t *extent);

#ifdef JEMALLOC_JET

size_t arena_slab_regind(extent_t *slab, szind_t binind, const void *ptr);

#endif

extent_t *arena_extent_alloc_large(tsdn_t *tsdn, arena_t *arena,

    size_t usize, size_t alignment, bool *zero);

void arena_extent_dalloc_large_prep(tsdn_t *tsdn, arena_t *arena,

    extent_t *extent);

void arena_extent_ralloc_large_shrink(tsdn_t *tsdn, arena_t *arena,

    extent_t *extent, size_t oldsize);

void arena_extent_ralloc_large_expand(tsdn_t *tsdn, arena_t *arena,

    extent_t *extent, size_t oldsize);

ssize_t arena_dirty_decay_ms_get(arena_t *arena);

bool arena_dirty_decay_ms_set(tsdn_t *tsdn, arena_t *arena, ssize_t decay_ms);

ssize_t arena_muzzy_decay_ms_get(arena_t *arena);

bool arena_muzzy_decay_ms_set(tsdn_t *tsdn, arena_t *arena, ssize_t decay_ms);

void arena_decay(tsdn_t *tsdn, arena_t *arena, bool is_background_thread,

    bool all);

void arena_reset(tsd_t *tsd, arena_t *arena);

void arena_destroy(tsd_t *tsd, arena_t *arena);

void arena_tcache_fill_small(tsdn_t *tsdn, arena_t *arena, tcache_t *tcache,

    cache_bin_t *tbin, szind_t binind, uint64_t prof_accumbytes);

void arena_alloc_junk_small(void *ptr, const bin_info_t *bin_info,

    bool zero);

typedef void (arena_dalloc_junk_small_t)(void *, const bin_info_t *);

extern arena_dalloc_junk_small_t *JET_MUTABLE arena_dalloc_junk_small;

void *arena_malloc_hard(tsdn_t *tsdn, arena_t *arena, size_t size,

    szind_t ind, bool zero);

void *arena_palloc(tsdn_t *tsdn, arena_t *arena, size_t usize,

    size_t alignment, bool zero, tcache_t *tcache);

void arena_prof_promote(tsdn_t *tsdn, void *ptr, size_t usize);

void arena_dalloc_promoted(tsdn_t *tsdn, void *ptr, tcache_t *tcache,

    bool slow_path);

void arena_dalloc_bin_junked_locked(tsdn_t *tsdn, arena_t *arena, bin_t *bin,

    szind_t binind, extent_t *extent, void *ptr);

void arena_dalloc_small(tsdn_t *tsdn, void *ptr);

bool arena_ralloc_no_move(tsdn_t *tsdn, void *ptr, size_t oldsize, size_t size,

    size_t extra, bool zero, size_t *newsize);

void *arena_ralloc(tsdn_t *tsdn, arena_t *arena, void *ptr, size_t oldsize,

    size_t size, size_t alignment, bool zero, tcache_t *tcache,

    hook_ralloc_args_t *hook_args);

dss_prec_t arena_dss_prec_get(arena_t *arena);

bool arena_dss_prec_set(arena_t *arena, dss_prec_t dss_prec);

ssize_t arena_dirty_decay_ms_default_get(void);

bool arena_dirty_decay_ms_default_set(ssize_t decay_ms);

ssize_t arena_muzzy_decay_ms_default_get(void);

bool arena_muzzy_decay_ms_default_set(ssize_t decay_ms);

bool arena_retain_grow_limit_get_set(tsd_t *tsd, arena_t *arena,

    size_t *old_limit, size_t *new_limit);

unsigned arena_nthreads_get(arena_t *arena, bool internal);

void arena_nthreads_inc(arena_t *arena, bool internal);

void arena_nthreads_dec(arena_t *arena, bool internal);

size_t arena_extent_sn_next(arena_t *arena);

arena_t *arena_new(tsdn_t *tsdn, unsigned ind, extent_hooks_t *extent_hooks);

bool arena_init_huge(void);

bool arena_is_huge(unsigned arena_ind);

arena_t *arena_choose_huge(tsd_t *tsd);

bin_t *arena_bin_choose_lock(tsdn_t *tsdn, arena_t *arena, szind_t binind,

    unsigned *binshard);

void arena_boot(sc_data_t *sc_data);

void arena_prefork0(tsdn_t *tsdn, arena_t *arena);

void arena_prefork1(tsdn_t *tsdn, arena_t *arena);

void arena_prefork2(tsdn_t *tsdn, arena_t *arena);

void arena_prefork3(tsdn_t *tsdn, arena_t *arena);

void arena_prefork4(tsdn_t *tsdn, arena_t *arena);

void arena_prefork5(tsdn_t *tsdn, arena_t *arena);

void arena_prefork6(tsdn_t *tsdn, arena_t *arena);

void arena_prefork7(tsdn_t *tsdn, arena_t *arena);

void arena_postfork_parent(tsdn_t *tsdn, arena_t *arena);

void arena_postfork_child(tsdn_t *tsdn, arena_t *arena);

#endif /* JEMALLOC_INTERNAL_ARENA_EXTERNS_H */