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fb1d9493a3
* Rename enum fields * Naming conventions * Remove unneeded ".this" * Remove unneeded semicolons * Remove unused Usings * Don't use var * Remove unneeded enum underlying types * Explicitly label class visibility * Remove unneeded @ prefixes * Remove unneeded commas * Remove unneeded if expressions * Method doesn't use unsafe code * Remove unneeded casts * Initialized objects don't need an empty constructor * Remove settings from DotSettings * Revert "Explicitly label class visibility" This reverts commit ad5eb5787cc5b27a4631cd46ef5f551c4ae95e51. * Small changes * Revert external enum renaming * Changes from feedback * Apply previous refactorings to the merged code
93 lines
No EOL
2.7 KiB
C#
93 lines
No EOL
2.7 KiB
C#
using ChocolArm64;
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using System.Threading;
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namespace Ryujinx.HLE.HOS.Kernel
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{
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class KCriticalSection
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{
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private Horizon _system;
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public object LockObj { get; private set; }
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private int _recursionCount;
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public KCriticalSection(Horizon system)
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{
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_system = system;
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LockObj = new object();
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}
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public void Enter()
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{
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Monitor.Enter(LockObj);
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_recursionCount++;
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}
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public void Leave()
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{
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if (_recursionCount == 0)
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{
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return;
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}
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bool doContextSwitch = false;
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if (--_recursionCount == 0)
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{
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if (_system.Scheduler.ThreadReselectionRequested)
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{
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_system.Scheduler.SelectThreads();
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}
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Monitor.Exit(LockObj);
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if (_system.Scheduler.MultiCoreScheduling)
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{
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lock (_system.Scheduler.CoreContexts)
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{
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for (int core = 0; core < KScheduler.CpuCoresCount; core++)
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{
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KCoreContext coreContext = _system.Scheduler.CoreContexts[core];
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if (coreContext.ContextSwitchNeeded)
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{
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CpuThread currentHleThread = coreContext.CurrentThread?.Context;
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if (currentHleThread == null)
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{
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//Nothing is running, we can perform the context switch immediately.
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coreContext.ContextSwitch();
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}
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else if (currentHleThread.IsCurrentThread())
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{
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//Thread running on the current core, context switch will block.
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doContextSwitch = true;
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}
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else
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{
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//Thread running on another core, request a interrupt.
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currentHleThread.RequestInterrupt();
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}
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}
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}
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}
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}
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else
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{
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doContextSwitch = true;
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}
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}
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else
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{
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Monitor.Exit(LockObj);
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}
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if (doContextSwitch)
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{
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_system.Scheduler.ContextSwitch();
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}
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}
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}
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} |