private void DelayCurrentThread(TimeSpan delay)
{
if (delay.Ticks < 0)
{
throw new ArgumentOutOfRangeException(nameof(delay));
}
using (ProcessorCriticalSection.Acquire())
{
// Yield
if (delay.Ticks != 0)
{
var thread = _runningThread !;
_readyThreads.Remove(thread);
thread.Value.Thread.State = ThreadState.Wait;
if (delay == Timeout.InfiniteTimeSpan)
{
_suspendedThreads.AddLast(thread);
}
else
{
var awakeTick = TickCount + (ulong)TimeSpanToTicks(delay);
thread.Value.AwakeTick = awakeTick;
AddThreadToDelayedList(thread);
}
}
IRQDispatcher.RegisterDPC(_yieldDPC);
}
}
private void RemoveThreadFromReadyList(Thread thread)
{
using (ProcessorCriticalSection.Acquire())
{
_readyThreads.Remove(thread.ScheduleEntry);
if (_runningThread == thread.ScheduleEntry)
{
IRQDispatcher.RegisterDPC(_yieldDPC);
}
}
}
private void Start()
{
Debug.Assert(!_isRunning);
_idleThread.Start();
Debug.Assert(_readyThreads.First != null);
_isRunning = true;
_runningThread = _readyThreads.First;
IRQDispatcher.RegisterSystemIRQ(SystemIRQ.SystemTick, OnSystemTick);
ChipControl.Default.SetupSystemTimer(TimeSlice);
ChipControl.Default.StartSchedule(_runningThread.Value.Thread.Context);
// Should not reach here
while (true)
{
;
}
}