diff options
Diffstat (limited to 'deps/jemalloc/include/jemalloc/internal/tcache_externs.h')
| -rw-r--r-- | deps/jemalloc/include/jemalloc/internal/tcache_externs.h | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/deps/jemalloc/include/jemalloc/internal/tcache_externs.h b/deps/jemalloc/include/jemalloc/internal/tcache_externs.h new file mode 100644 index 0000000..a2ab710 --- /dev/null +++ b/deps/jemalloc/include/jemalloc/internal/tcache_externs.h @@ -0,0 +1,75 @@ +#ifndef JEMALLOC_INTERNAL_TCACHE_EXTERNS_H +#define JEMALLOC_INTERNAL_TCACHE_EXTERNS_H + +extern bool opt_tcache; +extern size_t opt_tcache_max; +extern ssize_t opt_lg_tcache_nslots_mul; +extern unsigned opt_tcache_nslots_small_min; +extern unsigned opt_tcache_nslots_small_max; +extern unsigned opt_tcache_nslots_large; +extern ssize_t opt_lg_tcache_shift; +extern size_t opt_tcache_gc_incr_bytes; +extern size_t opt_tcache_gc_delay_bytes; +extern unsigned opt_lg_tcache_flush_small_div; +extern unsigned opt_lg_tcache_flush_large_div; + +/* + * Number of tcache bins. There are SC_NBINS small-object bins, plus 0 or more + * large-object bins. + */ +extern unsigned nhbins; + +/* Maximum cached size class. */ +extern size_t tcache_maxclass; + +extern cache_bin_info_t *tcache_bin_info; + +/* + * Explicit tcaches, managed via the tcache.{create,flush,destroy} mallctls and + * usable via the MALLOCX_TCACHE() flag. The automatic per thread tcaches are + * completely disjoint from this data structure. tcaches starts off as a sparse + * array, so it has no physical memory footprint until individual pages are + * touched. This allows the entire array to be allocated the first time an + * explicit tcache is created without a disproportionate impact on memory usage. + */ +extern tcaches_t *tcaches; + +size_t tcache_salloc(tsdn_t *tsdn, const void *ptr); +void *tcache_alloc_small_hard(tsdn_t *tsdn, arena_t *arena, tcache_t *tcache, + cache_bin_t *tbin, szind_t binind, bool *tcache_success); + +void tcache_bin_flush_small(tsd_t *tsd, tcache_t *tcache, cache_bin_t *tbin, + szind_t binind, unsigned rem); +void tcache_bin_flush_large(tsd_t *tsd, tcache_t *tcache, cache_bin_t *tbin, + szind_t binind, unsigned rem); +void tcache_bin_flush_stashed(tsd_t *tsd, tcache_t *tcache, cache_bin_t *bin, + szind_t binind, bool is_small); +void tcache_arena_reassociate(tsdn_t *tsdn, tcache_slow_t *tcache_slow, + tcache_t *tcache, arena_t *arena); +tcache_t *tcache_create_explicit(tsd_t *tsd); +void tcache_cleanup(tsd_t *tsd); +void tcache_stats_merge(tsdn_t *tsdn, tcache_t *tcache, arena_t *arena); +bool tcaches_create(tsd_t *tsd, base_t *base, unsigned *r_ind); +void tcaches_flush(tsd_t *tsd, unsigned ind); +void tcaches_destroy(tsd_t *tsd, unsigned ind); +bool tcache_boot(tsdn_t *tsdn, base_t *base); +void tcache_arena_associate(tsdn_t *tsdn, tcache_slow_t *tcache_slow, + tcache_t *tcache, arena_t *arena); +void tcache_prefork(tsdn_t *tsdn); +void tcache_postfork_parent(tsdn_t *tsdn); +void tcache_postfork_child(tsdn_t *tsdn); +void tcache_flush(tsd_t *tsd); +bool tsd_tcache_data_init(tsd_t *tsd); +bool tsd_tcache_enabled_data_init(tsd_t *tsd); + +void tcache_assert_initialized(tcache_t *tcache); + +/* Only accessed by thread event. */ +uint64_t tcache_gc_new_event_wait(tsd_t *tsd); +uint64_t tcache_gc_postponed_event_wait(tsd_t *tsd); +void tcache_gc_event_handler(tsd_t *tsd, uint64_t elapsed); +uint64_t tcache_gc_dalloc_new_event_wait(tsd_t *tsd); +uint64_t tcache_gc_dalloc_postponed_event_wait(tsd_t *tsd); +void tcache_gc_dalloc_event_handler(tsd_t *tsd, uint64_t elapsed); + +#endif /* JEMALLOC_INTERNAL_TCACHE_EXTERNS_H */ |