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IPC refactor part 1: Use explicit separate threads to process requests (#1447)

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* Changes to allow explicit management of service threads

* Remove now unused code

* Remove ThreadCounter, its no longer needed

* Allow and use separate server per service, also fix exit issues

* New policy change: PTC version now uses PR number
This commit is contained in:
gdkchan 2020-09-22 01:50:40 -03:00 • committed by GitHub
parent 5dd6f41ff4
commit 6c9565693f
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GPG key ID: 4AEE18F83AFDEB23
18 changed files with 138 additions and 135 deletions
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4
Ryujinx.HLE/HOS/Kernel/KernelContext.cs
View file

@ -24,8 +24,6 @@ namespace Ryujinx.HLE.HOS.Kernel
public Syscall Syscall { get; }
public SyscallHandler SyscallHandler { get; }
public CountdownEvent ThreadCounter { get; }
public KResourceLimit ResourceLimit { get; }
public KMemoryRegionManager[] MemoryRegions { get; }
@ -57,8 +55,6 @@ namespace Ryujinx.HLE.HOS.Kernel
SyscallHandler = new SyscallHandler(this);
ThreadCounter = new CountdownEvent(1);
ResourceLimit = new KResourceLimit(this);
KernelInit.InitializeResourceLimit(ResourceLimit);

38
Ryujinx.HLE/HOS/Kernel/Process/KProcess.cs
View file

@ -791,19 +791,16 @@ namespace Ryujinx.HLE.HOS.Kernel.Process
private void InterruptHandler(object sender, EventArgs e)
{
KernelContext.Scheduler.ContextSwitch();
KernelContext.Scheduler.GetCurrentThread().HandlePostSyscall();
}
public void IncrementThreadCount()
{
Interlocked.Increment(ref _threadCount);
KernelContext.ThreadCounter.AddCount();
}
public void DecrementThreadCountAndTerminateIfZero()
{
KernelContext.ThreadCounter.Signal();
if (Interlocked.Decrement(ref _threadCount) == 0)
{
Terminate();
@ -812,8 +809,6 @@ namespace Ryujinx.HLE.HOS.Kernel.Process
public void DecrementToZeroWhileTerminatingCurrent()
{
KernelContext.ThreadCounter.Signal();
while (Interlocked.Decrement(ref _threadCount) != 0)
{
Destroy();
@ -1000,24 +995,29 @@ namespace Ryujinx.HLE.HOS.Kernel.Process
KernelContext.CriticalSection.Leave();
}
KThread blockedThread = null;
lock (_threadingLock)
while (true)
{
foreach (KThread thread in _threads)
{
if (thread != currentThread && (thread.SchedFlags & ThreadSchedState.LowMask) != ThreadSchedState.TerminationPending)
{
thread.IncrementReferenceCount();
KThread blockedThread = null;
blockedThread = thread;
break;
lock (_threadingLock)
{
foreach (KThread thread in _threads)
{
if (thread != currentThread && (thread.SchedFlags & ThreadSchedState.LowMask) != ThreadSchedState.TerminationPending)
{
thread.IncrementReferenceCount();
blockedThread = thread;
break;
}
}
}
}
if (blockedThread != null)
{
if (blockedThread == null)
{
break;
}
blockedThread.Terminate();
blockedThread.DecrementReferenceCount();
}

54
Ryujinx.HLE/HOS/Kernel/SupervisorCall/Syscall.cs
View file

@ -2,14 +2,12 @@
using Ryujinx.Common.Logging;
using Ryujinx.Cpu;
using Ryujinx.HLE.Exceptions;
using Ryujinx.HLE.HOS.Ipc;
using Ryujinx.HLE.HOS.Kernel.Common;
using Ryujinx.HLE.HOS.Kernel.Ipc;
using Ryujinx.HLE.HOS.Kernel.Memory;
using Ryujinx.HLE.HOS.Kernel.Process;
using Ryujinx.HLE.HOS.Kernel.Threading;
using System;
using System.Threading;
namespace Ryujinx.HLE.HOS.Kernel.SupervisorCall
{
@ -26,29 +24,6 @@ namespace Ryujinx.HLE.HOS.Kernel.SupervisorCall
// IPC
private struct HleIpcMessage
{
public KProcess Process { get; }
public KThread Thread { get; }
public KClientSession Session { get; }
public IpcMessage Message { get; }
public long MessagePtr { get; }
public HleIpcMessage(
KProcess process,
KThread thread,
KClientSession session,
IpcMessage message,
long messagePtr)
{
Process = process;
Thread = thread;
Session = session;
Message = message;
MessagePtr = messagePtr;
}
}
public KernelResult ConnectToNamedPort(ulong namePtr, out int handle)
{
handle = 0;
@ -135,16 +110,7 @@ namespace Ryujinx.HLE.HOS.Kernel.SupervisorCall
currentThread.Reschedule(ThreadSchedState.Paused);
IpcMessage message = new IpcMessage(messageData, (long)messagePtr);
ThreadPool.QueueUserWorkItem(ProcessIpcRequest, new HleIpcMessage(
process,
currentThread,
clientSession,
message,
(long)messagePtr));
_context.ThreadCounter.AddCount();
clientSession.Service.Server.PushMessage(_device, currentThread, clientSession, messagePtr, messageSize);
_context.CriticalSection.Leave();
@ -158,24 +124,6 @@ namespace Ryujinx.HLE.HOS.Kernel.SupervisorCall
}
}
private void ProcessIpcRequest(object state)
{
HleIpcMessage ipcMessage = (HleIpcMessage)state;
ipcMessage.Thread.ObjSyncResult = IpcHandler.IpcCall(
_device,
ipcMessage.Process,
ipcMessage.Process.CpuMemory,
ipcMessage.Thread,
ipcMessage.Session,
ipcMessage.Message,
ipcMessage.MessagePtr);
_context.ThreadCounter.Signal();
ipcMessage.Thread.Reschedule(ThreadSchedState.Running);
}
private KernelResult SendSyncRequest(int handle)
{
KProcess currentProcess = _context.Scheduler.GetCurrentProcess();

1
Ryujinx.HLE/HOS/Kernel/Threading/KThread.cs
View file

@ -348,6 +348,7 @@ namespace Ryujinx.HLE.HOS.Kernel.Threading
if ((SchedFlags & ThreadSchedState.LowMask) == ThreadSchedState.Running)
{
// TODO: GIC distributor stuffs (sgir changes ect)
Context.RequestInterrupt();
}
SignaledObj = null;