| #ifndef JEMALLOC_INTERNAL_TCACHE_EXTERNS_H |
| #define JEMALLOC_INTERNAL_TCACHE_EXTERNS_H |
| |
| extern bool opt_tcache; |
| extern ssize_t opt_lg_tcache_max; |
| |
| extern cache_bin_info_t *tcache_bin_info; |
| |
| /* |
| * 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; |
| |
| /* |
| * 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_event_hard(tsd_t *tsd, tcache_t *tcache); |
| 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, cache_bin_t *tbin, szind_t binind, |
| unsigned rem, tcache_t *tcache); |
| void tcache_arena_reassociate(tsdn_t *tsdn, 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, 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); |
| void tcache_arena_associate(tsdn_t *tsdn, 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); |
| |
| #endif /* JEMALLOC_INTERNAL_TCACHE_EXTERNS_H */ |
