private void SetTimer(uint actualDuration)
{
// This function is called with the TimerQueue lock acquired
Debug.Assert(Lock.IsAcquired);
// Note: AutoResetEvent.WaitOne takes an Int32 value as a timeout.
// The TimerQueue code ensures that timer duration is not greater than max Int32 value
Debug.Assert(actualDuration <= (uint)Int32.MaxValue);
s_nextTimerDuration = (int)actualDuration;
// If this is the first time the timer is set then we need to create a thread that
// will manage and respond to timer requests. Otherwise, simply signal the timer thread
// to notify it that the timer duration has changed.
if (s_timerEvent == null)
{
s_timerEvent = new AutoResetEvent(false);
ThreadPool.QueueLongRunningWork(TimerThread);
}
else
{
s_timerEvent.Set();
}
}
