/// <summary>
/// The do spin.
/// </summary>
/// <param name="loops">
/// The loops.
/// </param>
/// <param name="iterations">
/// The iterations.
/// </param>
/// <param name="notify">
/// The notify.
/// </param>
/// <param name="token">
/// The token.
/// </param>
public void DoSpin(int loops, int iterations, SpinNotify notify, CancellationToken token)
{
for (var i = 0; i < loops; i++)
{
WorkflowTrace.Verbose("TaskSpinWaiter loop {0} of {1}", i, loops);
try
{
if (token.IsCancellationRequested)
{
WorkflowTrace.Verbose("TaskSpinWaiter Cancel Requested");
return;
}
Task.Run(
() =>
{
WorkflowTrace.Verbose("SpinWait({0})", iterations);
Thread.SpinWait(iterations);
if (token.IsCancellationRequested)
{
WorkflowTrace.Verbose("SpinWait - Cancellation is requested");
}
},
token).Wait();
}
finally
{
notify.LoopComplete(loops, iterations);
}
}
WorkflowTrace.Verbose("TaskSpinWaiter done with {0} iterations", iterations * loops);
}
/// <summary>
/// Executes the spin wait
/// </summary>
/// <param name="token">
/// The token.
/// </param>
/// <param name="notify">
/// The notify.
/// </param>
private void DoSpinWait(ActivityCancellationToken token, SpinNotify notify)
{
for (var i = 0; i < this.Loops; i++)
{
WorkflowTrace.Verbose(
"AsyncSpinWaiter loop {0} of {1}, spinning {2} iterations", i, this.Loops, this.Iterations);
try
{
// For the token cancel
if (token.IsCancellationRequested())
{
WorkflowTrace.Verbose("Token requests cancel");
return;
}
Thread.SpinWait(this.Iterations);
}
finally
{
if (notify != null)
{
notify.LoopComplete(this.Loops, this.Iterations);
}
}
}
WorkflowTrace.Verbose("AsyncSpinWaiter done with {0} iterations", this.Iterations * this.Loops);
}