3 files changed, 20 insertions, 0 deletions
diff --git a/src/Ryujinx.Horizon.Common/IExternalEvent.cs b/src/Ryujinx.Horizon.Common/IExternalEvent.cs
new file mode 100644
index 00000000..dedf4c72
--- /dev/null
+++ b/src/Ryujinx.Horizon.Common/IExternalEvent.cs
@@ -0,0 +1,10 @@
+using System;
+
+namespace Ryujinx.Horizon.Common
+{
+    public interface IExternalEvent
+    {
+        void Signal();
+        void Clear();
+    }
+}
diff --git a/src/Ryujinx.Horizon.Common/ISyscallApi.cs b/src/Ryujinx.Horizon.Common/ISyscallApi.cs
index 20277f34..3d6da041 100644
--- a/src/Ryujinx.Horizon.Common/ISyscallApi.cs
+++ b/src/Ryujinx.Horizon.Common/ISyscallApi.cs
@@ -1,3 +1,4 @@
+using Ryujinx.Memory;
 using System;
 
 namespace Ryujinx.Horizon.Common
@@ -29,5 +30,9 @@ namespace Ryujinx.Horizon.Common
         Result CreatePort(out int serverPortHandle, out int clientPortHandle, int maxSessions, bool isLight, string name);
         Result ManageNamedPort(out int handle, string name, int maxSessions);
         Result ConnectToPort(out int clientSessionHandle, int clientPortHandle);
+
+        IExternalEvent GetExternalEvent(int handle);
+        IVirtualMemoryManager GetMemoryManagerByProcessHandle(int handle);
+        ulong GetTransferMemoryAddress(int handle);
     }
 }
diff --git a/src/Ryujinx.Horizon.Common/Result.cs b/src/Ryujinx.Horizon.Common/Result.cs
index d313554e..4b120b84 100644
--- a/src/Ryujinx.Horizon.Common/Result.cs
+++ b/src/Ryujinx.Horizon.Common/Result.cs
@@ -36,6 +36,11 @@ namespace Ryujinx.Horizon.Common
             ErrorCode = module | (description << ModuleBits);
         }
 
+        public Result(int errorCode)
+        {
+            ErrorCode = errorCode;
+        }
+
         public readonly override bool Equals(object obj)
         {
             return obj is Result result && result.Equals(this);