mirror of
https://github.com/Ryujinx/Ryujinx.git
synced 2024-09-10 09:48:51 +02:00
* Started to work in improving the sync primitives * Some fixes * Check that the mutex address matches before waking a waiting thread * Add MutexOwner field to keep track of the thread owning the mutex, update wait list when priority changes, other tweaks * Add new priority information to the log * SvcSetThreadPriority should update just the WantedPriority
113 lines
No EOL
3.2 KiB
C#
113 lines
No EOL
3.2 KiB
C#
using ChocolArm64;
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using System;
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namespace Ryujinx.Core.OsHle.Handles
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{
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class KThread : KSynchronizationObject
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{
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public AThread Thread { get; private set; }
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public KThread MutexOwner { get; set; }
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public KThread NextMutexThread { get; set; }
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public KThread NextCondVarThread { get; set; }
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public long MutexAddress { get; set; }
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public long CondVarAddress { get; set; }
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public int ActualPriority { get; private set; }
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public int WantedPriority { get; private set; }
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public int ProcessorId { get; private set; }
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public int WaitHandle { get; set; }
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public int ThreadId => Thread.ThreadId;
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public KThread(AThread Thread, int ProcessorId, int Priority)
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{
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this.Thread = Thread;
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this.ProcessorId = ProcessorId;
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ActualPriority = WantedPriority = Priority;
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}
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public void SetPriority(int Priority)
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{
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WantedPriority = Priority;
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UpdatePriority();
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}
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public void UpdatePriority()
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{
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int OldPriority = ActualPriority;
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int CurrPriority = WantedPriority;
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if (NextMutexThread != null && CurrPriority > NextMutexThread.WantedPriority)
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{
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CurrPriority = NextMutexThread.WantedPriority;
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}
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if (CurrPriority != OldPriority)
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{
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ActualPriority = CurrPriority;
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UpdateWaitList();
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MutexOwner?.UpdatePriority();
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}
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}
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private void UpdateWaitList()
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{
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KThread OwnerThread = MutexOwner;
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if (OwnerThread != null)
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{
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//The MutexOwner field should only be non null when the thread is
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//waiting for the lock, and the lock belongs to another thread.
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if (OwnerThread == this)
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{
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throw new InvalidOperationException();
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}
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lock (OwnerThread)
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{
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//Remove itself from the list.
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KThread CurrThread = OwnerThread;
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while (CurrThread.NextMutexThread != null)
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{
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if (CurrThread.NextMutexThread == this)
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{
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CurrThread.NextMutexThread = NextMutexThread;
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break;
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}
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CurrThread = CurrThread.NextMutexThread;
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}
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//Re-add taking new priority into account.
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CurrThread = OwnerThread;
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while (CurrThread.NextMutexThread != null)
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{
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if (CurrThread.NextMutexThread.ActualPriority < ActualPriority)
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{
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break;
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}
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CurrThread = CurrThread.NextMutexThread;
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}
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NextMutexThread = CurrThread.NextMutexThread;
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CurrThread.NextMutexThread = this;
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}
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}
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}
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}
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} |