internal void Pause()
{
lock (this)
{
if (this.m_appDomainTimer == null || this.m_appDomainTimer.IsInvalid)
{
return;
}
this.m_appDomainTimer.Dispose();
this.m_appDomainTimer = (TimerQueue.AppDomainTimerSafeHandle)null;
this.m_isAppDomainTimerScheduled = false;
this.m_pauseTicks = TimerQueue.TickCount;
}
}
private bool EnsureAppDomainTimerFiresBy(uint requestedDuration)
{
uint dueTime = Math.Min(requestedDuration, 268435455U);
if (this.m_isAppDomainTimerScheduled)
{
uint num1 = (uint)(TimerQueue.TickCount - this.m_currentAppDomainTimerStartTicks);
if (num1 >= this.m_currentAppDomainTimerDuration)
{
return(true);
}
uint num2 = this.m_currentAppDomainTimerDuration - num1;
if (dueTime >= num2)
{
return(true);
}
}
if (this.m_pauseTicks != 0)
{
return(true);
}
if (this.m_appDomainTimer == null || this.m_appDomainTimer.IsInvalid)
{
this.m_appDomainTimer = TimerQueue.CreateAppDomainTimer(dueTime);
if (this.m_appDomainTimer.IsInvalid)
{
return(false);
}
this.m_isAppDomainTimerScheduled = true;
this.m_currentAppDomainTimerStartTicks = TimerQueue.TickCount;
this.m_currentAppDomainTimerDuration = dueTime;
return(true);
}
if (!TimerQueue.ChangeAppDomainTimer(this.m_appDomainTimer, dueTime))
{
return(false);
}
this.m_isAppDomainTimerScheduled = true;
this.m_currentAppDomainTimerStartTicks = TimerQueue.TickCount;
this.m_currentAppDomainTimerDuration = dueTime;
return(true);
}
internal static extern bool ChangeAppDomainTimer(TimerQueue.AppDomainTimerSafeHandle handle, uint dueTime);