public void signalAndAwait()
{
PhaseDescriptor observedPhase;
while (true)
{
observedPhase = currentPhase;
int remaining = observedPhase.remaining;
if (remaining <= 0)
{
throw new InvalidOperationException();
}
if (Interlocked.CompareExchange(ref currentPhase.remaining,
remaining - 1, remaining) == remaining)
{
if (remaining == 1)
{
currentPhase = new PhaseDescriptor(partners);
return;
}
else
{
break;
}
}
}
while (observedPhase == currentPhase)
{
Thread.Yield();
}
}
public SafeCyclicBarrierOk(int partners)
{
if (partners <= 0)
{
throw new ArgumentException();
}
this.partners = partners;
currentPhase = new PhaseDescriptor(partners);
}
