1 files changed, 5 insertions, 0 deletions
diff --git a/src/Ryujinx.Memory/MemoryManagerUnixHelper.cs b/src/Ryujinx.Memory/MemoryManagerUnixHelper.cs
index 204f1ca4..a7b207ab 100644
--- a/src/Ryujinx.Memory/MemoryManagerUnixHelper.cs
+++ b/src/Ryujinx.Memory/MemoryManagerUnixHelper.cs
@@ -1,8 +1,11 @@
 using System;
 using System.Runtime.InteropServices;
+using System.Runtime.Versioning;
 
 namespace Ryujinx.Memory
 {
+    [SupportedOSPlatform("linux")]
+    [SupportedOSPlatform("macos")]
     public static partial class MemoryManagerUnixHelper
     {
         [Flags]
@@ -41,6 +44,8 @@ namespace Ryujinx.Memory
             O_SYNC = 256,
         }
 
+        public const IntPtr MAP_FAILED = -1;
+
         private const int MAP_ANONYMOUS_LINUX_GENERIC = 0x20;
         private const int MAP_NORESERVE_LINUX_GENERIC = 0x4000;
         private const int MAP_UNLOCKED_LINUX_GENERIC = 0x80000;