1 files changed, 55 insertions, 0 deletions
diff --git a/Ryujinx.HLE/HOS/Kernel/Process/KProcess.cs b/Ryujinx.HLE/HOS/Kernel/Process/KProcess.cs
index fbdd812e..a3691808 100644
--- a/Ryujinx.HLE/HOS/Kernel/Process/KProcess.cs
+++ b/Ryujinx.HLE/HOS/Kernel/Process/KProcess.cs
@@ -1082,5 +1082,60 @@ namespace Ryujinx.HLE.HOS.Kernel.Process
         }
 
         protected override void Destroy() => Context.Dispose();
+
+        public KernelResult SetActivity(bool pause)
+        {
+            KernelContext.CriticalSection.Enter();
+
+            if (State != ProcessState.Exiting && State != ProcessState.Exited)
+            {
+                if (pause)
+                {
+                    if (IsPaused)
+                    {
+                        KernelContext.CriticalSection.Leave();
+
+                        return KernelResult.InvalidState;
+                    }
+
+                    lock (_threadingLock)
+                    {
+                        foreach (KThread thread in _threads)
+                        {
+                            thread.Suspend(ThreadSchedState.ProcessPauseFlag);
+                        }
+                    }
+
+                    IsPaused = true;
+                }
+                else
+                {
+                    if (!IsPaused)
+                    {
+                        KernelContext.CriticalSection.Leave();
+
+                        return KernelResult.InvalidState;
+                    }
+
+                    lock (_threadingLock)
+                    {
+                        foreach (KThread thread in _threads)
+                        {
+                            thread.Resume(ThreadSchedState.ProcessPauseFlag);
+                        }
+                    }
+
+                    IsPaused = false;
+                }
+
+                KernelContext.CriticalSection.Leave();
+
+                return KernelResult.Success;
+            }
+
+            KernelContext.CriticalSection.Leave();
+
+            return KernelResult.InvalidState;
+        }
     }
 }
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