public void Request(long n)
{
if (SubscriptionHelper.Validate(n))
{
SubscriptionHelper.AddRequest(ref requested, n);
Schedule();
}
}
void Request(long n)
{
if (n <= 0L)
{
throw new ArgumentOutOfRangeException(nameof(n));
}
SubscriptionHelper.AddRequest(ref requested, n);
Drain();
}
public void Request(long n)
{
if (n <= 0L)
{
throw new ArgumentOutOfRangeException(nameof(n));
}
if (Volatile.Read(ref wip) == 0 && Interlocked.CompareExchange(ref wip, 1, 0) == 0)
{
ISubscription target = null;
long r = requested;
if (r != long.MaxValue)
{
long u = r + n;
if (u < 0L)
{
requested = long.MaxValue;
}
else
{
requested = u;
}
target = current;
}
if (Interlocked.Decrement(ref wip) == 0)
{
target?.Request(n);
return;
}
}
else
{
SubscriptionHelper.AddRequest(ref missedRequested, n);
if (Interlocked.Increment(ref wip) != 1)
{
return;
}
}
ArbiterDrainLoop();
}
