1 files changed, 65 insertions, 0 deletions
diff --git a/src/Ryujinx.HLE/HOS/Kernel/Threading/KReadableEvent.cs b/src/Ryujinx.HLE/HOS/Kernel/Threading/KReadableEvent.cs
new file mode 100644
index 00000000..d9e7befa
--- /dev/null
+++ b/src/Ryujinx.HLE/HOS/Kernel/Threading/KReadableEvent.cs
@@ -0,0 +1,65 @@
+using Ryujinx.HLE.HOS.Kernel.Common;
+using Ryujinx.Horizon.Common;
+
+namespace Ryujinx.HLE.HOS.Kernel.Threading
+{
+    class KReadableEvent : KSynchronizationObject
+    {
+        private readonly KEvent _parent;
+
+        private bool _signaled;
+
+        public KReadableEvent(KernelContext context, KEvent parent) : base(context)
+        {
+            _parent = parent;
+        }
+
+        public override void Signal()
+        {
+            KernelContext.CriticalSection.Enter();
+
+            if (!_signaled)
+            {
+                _signaled = true;
+
+                base.Signal();
+            }
+
+            KernelContext.CriticalSection.Leave();
+        }
+
+        public Result Clear()
+        {
+            _signaled = false;
+
+            return Result.Success;
+        }
+
+        public Result ClearIfSignaled()
+        {
+            Result result;
+
+            KernelContext.CriticalSection.Enter();
+
+            if (_signaled)
+            {
+                _signaled = false;
+
+                result = Result.Success;
+            }
+            else
+            {
+                result = KernelResult.InvalidState;
+            }
+
+            KernelContext.CriticalSection.Leave();
+
+            return result;
+        }
+
+        public override bool IsSignaled()
+        {
+            return _signaled;
+        }
+    }
+}
+\ No newline at end of file