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Somewhat better implementation of thread yield

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This commit is contained in:
gdkchan 2018-06-09 18:19:14 -03:00
parent 7f5a8effbb
commit aa75957ce2
4 changed files with 32 additions and 22 deletions
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14
Ryujinx.Core/OsHle/Handles/KProcessScheduler.cs
View File

@ -196,6 +196,17 @@ namespace Ryujinx.Core.OsHle.Handles
}
if (NeedsReschedule)
{
Yield(Thread, Thread.ActualPriority - 1);
}
}
public void Yield(KThread Thread)
{
Yield(Thread, Thread.ActualPriority);
}
private void Yield(KThread Thread, int MinPriority)
{
PrintDbgThreadInfo(Thread, "yielded execution.");
@ -203,7 +214,7 @@ namespace Ryujinx.Core.OsHle.Handles
{
int ActualCore = Thread.ActualCore;
SchedulerThread NewThread = WaitingToRun.Pop(ActualCore, Thread.ActualPriority);
SchedulerThread NewThread = WaitingToRun.Pop(ActualCore, MinPriority);
if (NewThread == null)
{
@ -221,7 +232,6 @@ namespace Ryujinx.Core.OsHle.Handles
Resume(Thread);
}
}
public void Resume(KThread Thread)
{

4
Ryujinx.Core/OsHle/Handles/ThreadQueue.cs
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@ -2,7 +2,7 @@ namespace Ryujinx.Core.OsHle.Handles
{
class ThreadQueue
{
private const int LowestPriority = 0x40;
private const int LowestPriority = 0x3f;
private SchedulerThread Head;
@ -63,7 +63,7 @@ namespace Ryujinx.Core.OsHle.Handles
{
KThread Thread = Curr.Thread;
if (Thread.ActualPriority < MinPriority && (Thread.CoreMask & CoreMask) != 0)
if (Thread.ActualPriority <= MinPriority && (Thread.CoreMask & CoreMask) != 0)
{
if (Prev != null)
{

2
Ryujinx.Core/OsHle/Kernel/SvcThread.cs
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@ -87,7 +87,7 @@ namespace Ryujinx.Core.OsHle.Kernel
if (TimeoutNs == 0)
{
Process.Scheduler.SetReschedule(CurrThread.ActualCore);
Process.Scheduler.Yield(CurrThread);
}
else
{

2
Ryujinx.Core/OsHle/Kernel/SvcThreadSync.cs
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@ -206,7 +206,7 @@ namespace Ryujinx.Core.OsHle.Kernel
{
lock (Process.ThreadSyncLock)
{
//This is the new thread that will not own the mutex.
//This is the new thread that will now own the mutex.
//If no threads are waiting for the lock, then it should be null.
KThread OwnerThread = PopThread(CurrThread.MutexWaiters, x => x.MutexAddress == MutexAddress);