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Some improvements to SetThreadCoreMask, simplified implementation of wait lists

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This commit is contained in:
gdkchan 2018-05-14 03:01:10 -03:00
parent 9e50ed53e6
commit ee0b14ba08
5 changed files with 199 additions and 325 deletions
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150
Ryujinx.Core/OsHle/Handles/KThread.cs
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@ -1,5 +1,5 @@
using ChocolArm64;
using System;
using System.Collections.Generic;
namespace Ryujinx.Core.OsHle.Handles
{
@ -14,16 +14,15 @@ namespace Ryujinx.Core.OsHle.Handles
private Process Process;
public KThread NextMutexThread { get; set; }
public KThread NextCondVarThread { get; set; }
public List<KThread> MutexWaiters { get; private set; }
public KThread MutexOwner { get; set; }
public int ActualPriority { get; private set; }
public int WantedPriority { get; private set; }
public int IdealCore { get; set; }
public int ActualCore { get; set; }
public int IdealCore { get; set; }
public int WaitHandle { get; set; }
@ -39,6 +38,8 @@ namespace Ryujinx.Core.OsHle.Handles
this.Process = Process;
this.IdealCore = IdealCore;
MutexWaiters = new List<KThread>();
CoreMask = 1 << IdealCore;
ActualPriority = WantedPriority = Priority;
@ -57,148 +58,25 @@ namespace Ryujinx.Core.OsHle.Handles
int CurrPriority = WantedPriority;
if (NextMutexThread != null && CurrPriority > NextMutexThread.WantedPriority)
lock (Process.ThreadSyncLock)
{
CurrPriority = NextMutexThread.WantedPriority;
foreach (KThread Thread in MutexWaiters)
{
if (CurrPriority > Thread.WantedPriority)
{
CurrPriority = Thread.WantedPriority;
}
}
}
if (CurrPriority != OldPriority)
{
ActualPriority = CurrPriority;
UpdateWaitLists();
Process.Scheduler.Resort(this);
MutexOwner?.UpdatePriority();
}
}
private void UpdateWaitLists()
{
UpdateMutexList();
UpdateCondVarList();
Process.Scheduler.Resort(this);
}
private void UpdateMutexList()
{
KThread OwnerThread = MutexOwner;
if (OwnerThread == null)
{
return;
}
//The MutexOwner field should only be non-null when the thread is
//waiting for the lock, and the lock belongs to another thread.
if (OwnerThread == this)
{
throw new InvalidOperationException();
}
lock (OwnerThread)
{
//Remove itself from the list.
KThread CurrThread = OwnerThread;
while (CurrThread.NextMutexThread != null)
{
if (CurrThread.NextMutexThread == this)
{
CurrThread.NextMutexThread = NextMutexThread;
break;
}
CurrThread = CurrThread.NextMutexThread;
}
//Re-add taking new priority into account.
CurrThread = OwnerThread;
while (CurrThread.NextMutexThread != null)
{
if (CurrThread.NextMutexThread.ActualPriority > ActualPriority)
{
break;
}
CurrThread = CurrThread.NextMutexThread;
}
NextMutexThread = CurrThread.NextMutexThread;
CurrThread.NextMutexThread = this;
}
}
private void UpdateCondVarList()
{
lock (Process.ThreadArbiterListLock)
{
if (Process.ThreadArbiterListHead == null)
{
return;
}
//Remove itself from the list.
bool Found;
KThread CurrThread = Process.ThreadArbiterListHead;
if (Found = (Process.ThreadArbiterListHead == this))
{
Process.ThreadArbiterListHead = Process.ThreadArbiterListHead.NextCondVarThread;
}
else
{
while (CurrThread.NextCondVarThread != null)
{
if (CurrThread.NextCondVarThread == this)
{
CurrThread.NextCondVarThread = NextCondVarThread;
Found = true;
break;
}
CurrThread = CurrThread.NextCondVarThread;
}
}
if (!Found)
{
return;
}
//Re-add taking new priority into account.
if (Process.ThreadArbiterListHead == null ||
Process.ThreadArbiterListHead.ActualPriority > ActualPriority)
{
NextCondVarThread = Process.ThreadArbiterListHead;
Process.ThreadArbiterListHead = this;
return;
}
CurrThread = Process.ThreadArbiterListHead;
while (CurrThread.NextCondVarThread != null)
{
if (CurrThread.NextCondVarThread.ActualPriority > ActualPriority)
{
break;
}
CurrThread = CurrThread.NextCondVarThread;
}
NextCondVarThread = CurrThread.NextCondVarThread;
CurrThread.NextCondVarThread = this;
}
}
}
}