1 #ifndef JEMALLOC_INTERNAL_BACKGROUND_THREAD_INLINES_H 2 #define JEMALLOC_INTERNAL_BACKGROUND_THREAD_INLINES_H 3 4 JEMALLOC_ALWAYS_INLINE bool 5 background_thread_enabled(void) { 6 return atomic_load_b(&background_thread_enabled_state, ATOMIC_RELAXED); 7 } 8 9 JEMALLOC_ALWAYS_INLINE void 10 background_thread_enabled_set(tsdn_t *tsdn, bool state) { 11 malloc_mutex_assert_owner(tsdn, &background_thread_lock); 12 atomic_store_b(&background_thread_enabled_state, state, ATOMIC_RELAXED); 13 } 14 15 JEMALLOC_ALWAYS_INLINE background_thread_info_t * 16 arena_background_thread_info_get(arena_t *arena) { 17 unsigned arena_ind = arena_ind_get(arena); 18 return &background_thread_info[arena_ind % ncpus]; 19 } 20 21 JEMALLOC_ALWAYS_INLINE uint64_t 22 background_thread_wakeup_time_get(background_thread_info_t *info) { 23 uint64_t next_wakeup = nstime_ns(&info->next_wakeup); 24 assert(atomic_load_b(&info->indefinite_sleep, ATOMIC_ACQUIRE) == 25 (next_wakeup == BACKGROUND_THREAD_INDEFINITE_SLEEP)); 26 return next_wakeup; 27 } 28 29 JEMALLOC_ALWAYS_INLINE void 30 background_thread_wakeup_time_set(tsdn_t *tsdn, background_thread_info_t *info, 31 uint64_t wakeup_time) { 32 malloc_mutex_assert_owner(tsdn, &info->mtx); 33 atomic_store_b(&info->indefinite_sleep, 34 wakeup_time == BACKGROUND_THREAD_INDEFINITE_SLEEP, ATOMIC_RELEASE); 35 nstime_init(&info->next_wakeup, wakeup_time); 36 } 37 38 JEMALLOC_ALWAYS_INLINE bool 39 background_thread_indefinite_sleep(background_thread_info_t *info) { 40 return atomic_load_b(&info->indefinite_sleep, ATOMIC_ACQUIRE); 41 } 42 43 JEMALLOC_ALWAYS_INLINE void 44 arena_background_thread_inactivity_check(tsdn_t *tsdn, arena_t *arena, 45 bool is_background_thread) { 46 if (!background_thread_enabled() || is_background_thread) { 47 return; 48 } 49 background_thread_info_t *info = 50 arena_background_thread_info_get(arena); 51 if (background_thread_indefinite_sleep(info)) { 52 background_thread_interval_check(tsdn, arena, 53 &arena->decay_dirty, 0); 54 } 55 } 56 57 #endif /* JEMALLOC_INTERNAL_BACKGROUND_THREAD_INLINES_H */ 58