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ryujinx-final/Ryujinx.HLE/HOS/Kernel/Ipc/KClientSession.cs
gdkchan 48278905d1
Rewrite scheduler context switch code (#1786)
* Rewrite scheduler context switch code

* Fix race in UnmapIpcRestorePermission

* Fix thread exit issue that could leave the scheduler in a invalid state

* Change context switch method to not wait on guest thread, remove spin wait, use SignalAndWait to pass control

* Remove multi-core setting (it is always on now)

* Re-enable assert

* Remove multicore from default config and schema

* Fix race in KTimeManager
2020-12-09 19:20:05 -03:00

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2.5 KiB
C#

using Ryujinx.HLE.HOS.Kernel.Common;
using Ryujinx.HLE.HOS.Kernel.Process;
using Ryujinx.HLE.HOS.Kernel.Threading;
using Ryujinx.HLE.HOS.Services;
using System;
namespace Ryujinx.HLE.HOS.Kernel.Ipc
{
class KClientSession : KSynchronizationObject
{
public KProcess CreatorProcess { get; }
private KSession _parent;
public ChannelState State { get; set; }
public KClientPort ParentPort { get; }
public KClientSession(KernelContext context, KSession parent, KClientPort parentPort) : base(context)
{
_parent = parent;
ParentPort = parentPort;
parentPort?.IncrementReferenceCount();
State = ChannelState.Open;
CreatorProcess = KernelStatic.GetCurrentProcess();
CreatorProcess.IncrementReferenceCount();
}
public KernelResult SendSyncRequest(ulong customCmdBuffAddr = 0, ulong customCmdBuffSize = 0)
{
KThread currentThread = KernelStatic.GetCurrentThread();
KSessionRequest request = new KSessionRequest(currentThread, customCmdBuffAddr, customCmdBuffSize);
KernelContext.CriticalSection.Enter();
currentThread.SignaledObj = null;
currentThread.ObjSyncResult = KernelResult.Success;
KernelResult result = _parent.ServerSession.EnqueueRequest(request);
KernelContext.CriticalSection.Leave();
if (result == KernelResult.Success)
{
result = currentThread.ObjSyncResult;
}
return result;
}
public KernelResult SendAsyncRequest(KWritableEvent asyncEvent, ulong customCmdBuffAddr = 0, ulong customCmdBuffSize = 0)
{
KThread currentThread = KernelStatic.GetCurrentThread();
KSessionRequest request = new KSessionRequest(currentThread, customCmdBuffAddr, customCmdBuffSize, asyncEvent);
KernelContext.CriticalSection.Enter();
KernelResult result = _parent.ServerSession.EnqueueRequest(request);
KernelContext.CriticalSection.Leave();
return result;
}
public void DisconnectFromPort()
{
if (ParentPort != null)
{
ParentPort.Disconnect();
ParentPort.DecrementReferenceCount();
}
}
protected override void Destroy()
{
_parent.DisconnectClient();
_parent.DecrementReferenceCount();
}
}
}