--- status

    Ƥ륹åɤξ֤ʸ "run""sleep", "aborting" Τ
    줫֤ޤｪλåɤФ false㳰ˤ
    꽪λåɤФ nil ֤ޤ
    Thread#alive? [Thread/alive?] ֤ʤ顢Υ᥽åɤ⿿Ǥ

