1 files changed, 51 insertions, 0 deletions
diff --git a/src/Ryujinx.Common/PreciseSleep/SleepEvent.cs b/src/Ryujinx.Common/PreciseSleep/SleepEvent.cs
new file mode 100644
index 00000000..f0769d1e
--- /dev/null
+++ b/src/Ryujinx.Common/PreciseSleep/SleepEvent.cs
@@ -0,0 +1,51 @@
+using System;
+using System.Threading;
+
+namespace Ryujinx.Common.PreciseSleep
+{
+    /// <summary>
+    /// A cross-platform precise sleep event that has millisecond granularity.
+    /// </summary>
+    internal class SleepEvent : IPreciseSleepEvent
+    {
+        private readonly AutoResetEvent _waitEvent = new(false);
+
+        public long AdjustTimePoint(long timePoint, long timeoutNs)
+        {
+            // No adjustment
+            return timePoint;
+        }
+
+        public bool SleepUntil(long timePoint)
+        {
+            long now = PerformanceCounter.ElapsedTicks;
+            long ms = Math.Min((timePoint - now) / PerformanceCounter.TicksPerMillisecond, int.MaxValue);
+
+            if (ms > 0)
+            {
+                _waitEvent.WaitOne((int)ms);
+
+                return true;
+            }
+
+            return false;
+        }
+
+        public void Sleep()
+        {
+            _waitEvent.WaitOne();
+        }
+
+        public void Signal()
+        {
+            _waitEvent.Set();
+        }
+
+        public void Dispose()
+        {
+            GC.SuppressFinalize(this);
+
+            _waitEvent.Dispose();
+        }
+    }
+}