_jl_tls_states_t.system_id

• base_ctx
• bt_data
• bt_size
• current_task
• defer_signal
• disable_gc
• finalizers
• finalizers_inhibited
• gc_cache
• gc_mark_sp
• gc_state
• heap
• in_finalizer
• in_pure_callback
• io_wait
• pgcstack
• previous_exception
• root_task
• safe_restore
• safepoint
• sig_exception
• signal_request
• signal_stack
• stackbase
• stacksize
• sweep_objs
• system_id
• tid
• world_age