public bool TryAddCount(int signalCount)
{
if (signalCount <= 0)
{
throw new ArgumentOutOfRangeException("signalCount");
}
else
{
CheckDisposed();
int lastValue;
if (ThreadingHelper.SpinWaitRelativeExchangeBounded(ref _currentCount, signalCount, 1, int.MaxValue, out lastValue))
{
return(true);
}
else
{
if (lastValue < 1)
{
return(false);
}
else
{
throw new InvalidOperationException("Max");
}
}
}
}
