public IWaitable Then(Action callback)
{
Assert.NotNull(callback, nameof(callback));
var call = false;
using (spinLock.Hold())
{
switch (status)
{
case WaitableStatus.Success:
call = true;
break;
case WaitableStatus.Running:
successCallbacks.Add(callback);
break;
}
}
if (call)
{
callback();
}
return(this);
}
private T Add <T>(T waitable) where T : IWaitable
{
using (spin.Hold())
{
waitables.Add(waitable);
}
waitable.Finally(() =>
{
using (spin.Hold())
{
waitables.Remove(waitable);
}
});
return(waitable);
}
