public static Timer CreateTimer(ClrSyncManager manager, Original::TimerCallback timerCallback, object state, TimeSpan dueTime, TimeSpan period)
{
TimerRoutineArg argument = new TimerRoutineArg();
argument.callback = timerCallback;
argument.state = state;
argument.dueTime = dueTime;
argument.Period = period;
argument.selfSemaphore = new Semaphore(0, 1);
argument.parentSemaphore = new Semaphore(0, 1);
argument.disposed = false;
argument.changed = true;
Timer ret = new Timer(TimerCreateWrapper, argument, 0, Timeout.Infinite);
argument.timer = ret;
timer2tra.Add(ret, argument);
int child = manager.TaskFork();
argument.parentSemaphore.WaitOne();
manager.RegisterTaskSemaphore(child, argument.selfSemaphore, false);
manager.TaskResume(child);
return(ret);
}