ryujinx/Ryujinx.HLE/HOS/Kernel/Common/KTimeManager.cs
gdkchan 0039bb6394
Refactor SVC handler (#540)
* Refactor SVC handler

* Get rid of KernelErr

* Split kernel code files into multiple folders
2018-12-18 03:33:36 -02:00

143 lines
3.7 KiB
C#

using Ryujinx.Common;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading;
namespace Ryujinx.HLE.HOS.Kernel.Common
{
class KTimeManager : IDisposable
{
private class WaitingObject
{
public IKFutureSchedulerObject Object { get; private set; }
public long TimePoint { get; private set; }
public WaitingObject(IKFutureSchedulerObject schedulerObj, long timePoint)
{
Object = schedulerObj;
TimePoint = timePoint;
}
}
private List<WaitingObject> _waitingObjects;
private AutoResetEvent _waitEvent;
private bool _keepRunning;
public KTimeManager()
{
_waitingObjects = new List<WaitingObject>();
_keepRunning = true;
Thread work = new Thread(WaitAndCheckScheduledObjects);
work.Start();
}
public void ScheduleFutureInvocation(IKFutureSchedulerObject schedulerObj, long timeout)
{
long timePoint = PerformanceCounter.ElapsedMilliseconds + ConvertNanosecondsToMilliseconds(timeout);
lock (_waitingObjects)
{
_waitingObjects.Add(new WaitingObject(schedulerObj, timePoint));
}
_waitEvent.Set();
}
public static long ConvertNanosecondsToMilliseconds(long time)
{
time /= 1000000;
if ((ulong)time > int.MaxValue)
{
return int.MaxValue;
}
return time;
}
public static long ConvertMillisecondsToNanoseconds(long time)
{
return time * 1000000;
}
public static long ConvertMillisecondsToTicks(long time)
{
return time * 19200;
}
public void UnscheduleFutureInvocation(IKFutureSchedulerObject Object)
{
lock (_waitingObjects)
{
_waitingObjects.RemoveAll(x => x.Object == Object);
}
}
private void WaitAndCheckScheduledObjects()
{
using (_waitEvent = new AutoResetEvent(false))
{
while (_keepRunning)
{
WaitingObject next;
lock (_waitingObjects)
{
next = _waitingObjects.OrderBy(x => x.TimePoint).FirstOrDefault();
}
if (next != null)
{
long timePoint = PerformanceCounter.ElapsedMilliseconds;
if (next.TimePoint > timePoint)
{
_waitEvent.WaitOne((int)(next.TimePoint - timePoint));
}
bool timeUp = PerformanceCounter.ElapsedMilliseconds >= next.TimePoint;
if (timeUp)
{
lock (_waitingObjects)
{
timeUp = _waitingObjects.Remove(next);
}
}
if (timeUp)
{
next.Object.TimeUp();
}
}
else
{
_waitEvent.WaitOne();
}
}
}
}
public void Dispose()
{
Dispose(true);
}
protected virtual void Dispose(bool disposing)
{
if (disposing)
{
_keepRunning = false;
_waitEvent?.Set();
}
}
}
}