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 , 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 | |