1_absolutetime_to_nanoseconds 2_assert_wait 3_assert_wait_deadline 4_assert_wait_timeout 5_clock_absolutetime_interval_to_deadline 6_clock_delay_until 7_clock_get_calendar_microtime 8_clock_get_calendar_nanotime 9_clock_get_system_microtime 10_clock_get_system_nanotime 11_clock_get_uptime 12_clock_interval_to_absolutetime_interval 13_clock_interval_to_deadline 14_clock_timebase_info 15_current_task 16_current_thread 17_kernel_task 18_kernel_thread_start 19_lck_mtx_sleep 20_lck_mtx_sleep_deadline 21_lck_rw_sleep 22_lck_rw_sleep_deadline 23_lck_spin_sleep 24_lck_spin_sleep_deadline 25_mach_absolute_time 26_mach_msg_send_from_kernel_proper 27_mach_vm_pressure_level_monitor 28_mach_vm_pressure_monitor 29_nanoseconds_to_absolutetime 30_preemption_enabled 31_semaphore_create 32_semaphore_dereference 33_semaphore_destroy 34_semaphore_reference 35_semaphore_signal 36_semaphore_signal_all 37_semaphore_wait 38_semaphore_wait_deadline 39_semaphore_wait_noblock 40_task_deallocate 41_task_reference 42_thread_block 43_thread_block_parameter 44_thread_call_allocate 45_thread_call_cancel 46_thread_call_enter 47_thread_call_enter1 48_thread_call_enter1_delayed 49_thread_call_enter_delayed 50_thread_call_free 51_thread_deallocate 52_thread_policy_set 53_thread_reference 54_thread_terminate 55_thread_wakeup_prim 56