private void SignalTimer(DispatcherQueue.TimerContext tc)
{
try
{
Dispatcher.SetCurrentThreadCausalities(tc.CausalityContext);
tc.TimerPort.Post(DateTime.Now);
Dispatcher.ClearCausalities();
}
catch (Exception exception)
{
Dispatcher.LogError("DispatcherQueue:TimerHandler", exception);
}
}
public virtual void EnqueueTimer(TimeSpan timeSpan, Port <DateTime> timerPort)
{
if (_dispatcher == null || (_dispatcher.Options & DispatcherOptions.UseHighAccuracyTimerLogic) == DispatcherOptions.None)
{
EnqueueTimerUsingClrSystemTimers(timeSpan, timerPort);
return;
}
CausalityThreadContext causalityContext = Dispatcher.CloneCausalitiesFromCurrentThread();
timeSpan = TimeSpan.FromSeconds(timeSpan.TotalSeconds * _timescale);
DateTime dateTime = DateTime.UtcNow + timeSpan;
DispatcherQueue.TimerContext item = new DispatcherQueue.TimerContext(timerPort, causalityContext, dateTime);
bool flag = false;
lock (_timerTable)
{
if (dateTime < _nextTimerExpiration)
{
_nextTimerExpiration = dateTime;
flag = true;
}
if (_timerTable.ContainsKey(dateTime.Ticks))
{
_timerTable[dateTime.Ticks].Add(item);
}
else
{
List <DispatcherQueue.TimerContext> list = new List <DispatcherQueue.TimerContext>(1);
list.Add(item);
_timerTable[dateTime.Ticks] = list;
}
}
if (flag)
{
Enqueue(new Task(delegate
{
}));
}
}