public void Set(IOThreadTimer timer, long dueTime)
{
long num = dueTime - timer.dueTime;
if (num < (long)0)
{
num = -num;
}
if (num > timer.maxSkew)
{
lock (this.ThisLock)
{
IOThreadTimer.TimerGroup timerGroup = timer.timerGroup;
IOThreadTimer.TimerQueue timerQueue = timerGroup.TimerQueue;
if (timer.index > 0)
{
if (timerQueue.UpdateTimer(timer, dueTime))
{
IOThreadTimer.TimerManager.UpdateWaitableTimer(timerGroup);
}
}
else if (timerQueue.InsertTimer(timer, dueTime))
{
IOThreadTimer.TimerManager.UpdateWaitableTimer(timerGroup);
if (timerQueue.Count == 1)
{
this.EnsureWaitScheduled();
}
}
}
}
}
private static void ReactivateWaitableTimer(IOThreadTimer.TimerGroup timerGroup)
{
IOThreadTimer.TimerQueue timerQueue = timerGroup.TimerQueue;
if (timerQueue.Count <= 0)
{
timerGroup.WaitableTimer.Set(9223372036854775807L);
return;
}
timerGroup.WaitableTimer.Set(timerQueue.MinTimer.dueTime);
}
private static void ScheduleElapsedTimers(IOThreadTimer.TimerGroup timerGroup, long now)
{
IOThreadTimer.TimerQueue timerQueue = timerGroup.TimerQueue;
while (timerQueue.Count > 0)
{
IOThreadTimer minTimer = timerQueue.MinTimer;
if (minTimer.dueTime - now > minTimer.maxSkew)
{
break;
}
timerQueue.DeleteMinTimer();
ActionItem.Schedule(minTimer.callback, minTimer.callbackState);
}
}
public bool Cancel(IOThreadTimer timer)
{
bool flag;
lock (this.ThisLock)
{
if (timer.index <= 0)
{
flag = false;
}
else
{
IOThreadTimer.TimerGroup timerGroup = timer.timerGroup;
IOThreadTimer.TimerQueue timerQueue = timerGroup.TimerQueue;
timerQueue.DeleteTimer(timer);
if (timerQueue.Count <= 0)
{
IOThreadTimer.TimerGroup otherTimerGroup = this.GetOtherTimerGroup(timerGroup);
if (otherTimerGroup.TimerQueue.Count == 0)
{
long now = Ticks.Now;
long dueTime = timerGroup.WaitableTimer.DueTime - now;
long num = otherTimerGroup.WaitableTimer.DueTime - now;
if (dueTime > (long)10000000 && num > (long)10000000)
{
timerGroup.WaitableTimer.Set(Ticks.Add(now, (long)10000000));
}
}
}
else
{
IOThreadTimer.TimerManager.UpdateWaitableTimer(timerGroup);
}
flag = true;
}
}
return(flag);
}
public TimerGroup()
{
this.waitableTimer = new IOThreadTimer.WaitableTimer();
this.waitableTimer.Set(9223372036854775807L);
this.timerQueue = new IOThreadTimer.TimerQueue();
}
