#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 */