// Start new task, independent from acutal task
private void ForceStart()
{
// create new internal task
var itc = new InternalTaskContainer {
Cts = new CancellationTokenSource()
};
itc.Task = Task.Run(() => SpawnerFunc(itc.Cts.Token)).ContinueWith((t) => TaskEnd(this, t));
//swap and stop old task
var oldItc = Interlocked.Exchange(ref _TaskContainer, itc);
Stop(oldItc, WaitTime);
// event notifier
OnTaskStart?.Invoke(this, EventArgs.Empty);
}
// internal stop/cleanup with timespan
private static void Stop(InternalTaskContainer itc, TimeSpan waitTime)
{
if (itc == null)
{
return;
}
try
{
itc.Cts?.Cancel();
itc.Task?.Wait(waitTime);
}
finally
{
itc.Cts?.Dispose();
itc.Task?.Dispose();
}
}
