/* Performs an atomic compare exchange operation on the 32-bit unsigned integer specified by Value. If Value is equal to CompareValue, then Value is set to ExchangeValue and CompareValue is returned. If Value is not equal to CompareValue, then Value is returned. The compare exchange operation must be performed using MP safe mechanisms. */
UINT32 EFIAPI InternalSyncCompareExchange32(IN volatile UINT32 *Value, IN UINT32 CompareValue, IN UINT32 ExchangeValue)
/* Performs an atomic compare exchange operation on the 32-bit unsigned integer specified by Value. If Value is equal to CompareValue, then Value is set to ExchangeValue and CompareValue is returned. If Value is not equal to CompareValue, then Value is returned. The compare exchange operation must be performed using MP safe mechanisms. */
UINT32 EFIAPI InternalSyncCompareExchange32(IN volatile UINT32 *Value, IN UINT32 CompareValue, IN UINT32 ExchangeValue)
{
  UINT32  RetValue;
  RetValue = AsmInternalSyncCompareExchange32 (
               Value,
               CompareValue,
               ExchangeValue
               );
  return RetValue;
}