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arena_externs.h revision 1.1.1.1 
      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 JEMALLOC_NORETURN void arena_prof_promote(tsdn_t *tsdn, const void *ptr, size_t usize);
     60 JEMALLOC_NORETURN 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