R/Ryujinx.HLE/HOS/Services/Time/Clock/SystemClockContextUpdateCallback.cs

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using Ryujinx.HLE.HOS.Kernel.Threading;
using System;
using System.Collections.Generic;
using System.Threading;
namespace Ryujinx.HLE.HOS.Services.Time.Clock
{
abstract class SystemClockContextUpdateCallback
{
private List<KWritableEvent> _operationEventList;
protected SystemClockContext _context;
private bool _hasContext;
public SystemClockContextUpdateCallback()
{
_operationEventList = new List<KWritableEvent>();
_context = new SystemClockContext();
_hasContext = false;
}
private bool NeedUpdate(SystemClockContext context)
{
if (_hasContext)
{
return _context.Offset != context.Offset || _context.SteadyTimePoint.ClockSourceId != context.SteadyTimePoint.ClockSourceId;
}
return true;
}
public void RegisterOperationEvent(KWritableEvent writableEvent)
{
Monitor.Enter(_operationEventList);
_operationEventList.Add(writableEvent);
Monitor.Exit(_operationEventList);
}
private void BroadcastOperationEvent()
{
Monitor.Enter(_operationEventList);
foreach (KWritableEvent e in _operationEventList)
{
e.Signal();
}
Monitor.Exit(_operationEventList);
}
protected abstract ResultCode Update();
public ResultCode Update(SystemClockContext context)
{
ResultCode result = ResultCode.Success;
if (NeedUpdate(context))
{
_context = context;
_hasContext = true;
result = Update();
if (result == ResultCode.Success)
{
BroadcastOperationEvent();
}
}
return result;
}
}
}