AtomicExchange

function AtomicExchange(

  var Target: LongInt;

  Source: LongInt

):LongInt;

function AtomicExchange(

  var Target: Int64;

  Source: Int64

):Int64;

function AtomicExchange(

  var Target: pointer;

  Source: pointer

):pointer;

function AtomicExchange(

  var Target: Cardinal;

  Source: Cardinal

):Cardinal;

function AtomicExchange(

  var Target: QWord;

  Source: QWord

):QWord;