public WaitForResult WaitFor <T>(IBatchConsumer[] consumers, ISequencable ringBuffer, IConsumerBarrier <T> barrier, long sequence)
{
var availableSequence = ringBuffer.Cursor; // volatile read
if (availableSequence < sequence)
{
lock (_gate)
{
while ((availableSequence = ringBuffer.Cursor) < sequence) // volatile read
{
if (barrier.IsAlerted)
{
return(WaitForResult.AlertedResult);
}
Monitor.Wait(_gate);
}
}
}
if (0 != consumers.Length)
{
while ((availableSequence = consumers.GetMinimumSequence()) < sequence)
{
if (barrier.IsAlerted)
{
return(WaitForResult.AlertedResult);
}
}
}
return(new WaitForResult(availableSequence, false));
}
public WaitForResult WaitFor <T>(IBatchConsumer[] consumers, ISequencable ringBuffer, IConsumerBarrier <T> barrier, long sequence)
{
long availableSequence;
if (0 == consumers.Length)
{
while ((availableSequence = ringBuffer.Cursor) < sequence) // volatile read
{
if (barrier.IsAlerted)
{
return(WaitForResult.AlertedResult);
}
Thread.Yield();
}
}
else
{
while ((availableSequence = consumers.GetMinimumSequence()) < sequence)
{
if (barrier.IsAlerted)
{
return(WaitForResult.AlertedResult);
}
Thread.Yield();
}
}
return(new WaitForResult(availableSequence, false));
}
/// <summary>
/// Construct a <see cref="IBatchConsumer"/> that simply tracks a <see cref="RingBuffer{T}"/>.
/// </summary>
/// <param name="ringBuffer"></param>
public NoOpConsumer(ISequencable ringBuffer)
{
_ringBuffer = ringBuffer;
}