1 #ifndef JEMALLOC_INTERNAL_EXTERNS_H 2 #define JEMALLOC_INTERNAL_EXTERNS_H 3 4 #include "jemalloc/internal/atomic.h" 5 #include "jemalloc/internal/size_classes.h" 6 #include "jemalloc/internal/tsd_types.h" 7 8 /* TSD checks this to set thread local slow state accordingly. */ 9 extern bool malloc_slow; 10 11 /* Run-time options. */ 12 extern bool opt_abort; 13 extern bool opt_abort_conf; 14 extern const char *opt_junk; 15 extern bool opt_junk_alloc; 16 extern bool opt_junk_free; 17 extern bool opt_utrace; 18 extern bool opt_xmalloc; 19 extern bool opt_zero; 20 extern unsigned opt_narenas; 21 22 /* Number of CPUs. */ 23 extern unsigned ncpus; 24 25 /* Number of arenas used for automatic multiplexing of threads and arenas. */ 26 extern unsigned narenas_auto; 27 28 /* 29 * Arenas that are used to service external requests. Not all elements of the 30 * arenas array are necessarily used; arenas are created lazily as needed. 31 */ 32 extern atomic_p_t arenas[]; 33 34 void *a0malloc(size_t size); 35 void a0dalloc(void *ptr); 36 void *bootstrap_malloc(size_t size); 37 void *bootstrap_calloc(size_t num, size_t size); 38 void bootstrap_free(void *ptr); 39 void arena_set(unsigned ind, arena_t *arena); 40 unsigned narenas_total_get(void); 41 arena_t *arena_init(tsdn_t *tsdn, unsigned ind, extent_hooks_t *extent_hooks); 42 arena_tdata_t *arena_tdata_get_hard(tsd_t *tsd, unsigned ind); 43 arena_t *arena_choose_hard(tsd_t *tsd, bool internal); 44 void arena_migrate(tsd_t *tsd, unsigned oldind, unsigned newind); 45 void iarena_cleanup(tsd_t *tsd); 46 void arena_cleanup(tsd_t *tsd); 47 void arenas_tdata_cleanup(tsd_t *tsd); 48 void jemalloc_prefork(void); 49 void jemalloc_postfork_parent(void); 50 void jemalloc_postfork_child(void); 51 bool malloc_initialized(void); 52 53 #endif /* JEMALLOC_INTERNAL_EXTERNS_H */ 54