1 files changed, 41 insertions, 0 deletions
diff --git a/src/mscorlib/src/Microsoft/Win32/SafeHandles/SafeRegistryHandle.cs b/src/mscorlib/src/Microsoft/Win32/SafeHandles/SafeRegistryHandle.cs
new file mode 100644
index 0000000000..d0e3f048f2
--- /dev/null
+++ b/src/mscorlib/src/Microsoft/Win32/SafeHandles/SafeRegistryHandle.cs
@@ -0,0 +1,41 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+//
+//
+//
+// Implements Microsoft.Win32.SafeHandles.SafeRegistryHandle
+//
+// ======================================================================================
+namespace Microsoft.Win32.SafeHandles {
+    using System;
+    using System.Security;
+    using System.Security.Permissions;
+    using System.Runtime.InteropServices;
+    using System.Runtime.CompilerServices;
+    using System.Runtime.ConstrainedExecution;
+    using System.Runtime.Versioning;
+
+    [System.Security.SecurityCritical]
+    public sealed class SafeRegistryHandle : SafeHandleZeroOrMinusOneIsInvalid {
+        [System.Security.SecurityCritical]
+        internal SafeRegistryHandle() : base(true) {}
+
+        [System.Security.SecurityCritical]
+        public SafeRegistryHandle(IntPtr preexistingHandle, bool ownsHandle) : base(ownsHandle) {
+            SetHandle(preexistingHandle);
+        }
+
+        [System.Security.SecurityCritical]
+        override protected bool ReleaseHandle() {
+            return (RegCloseKey(handle) == Win32Native.ERROR_SUCCESS);
+        }
+
+        [DllImport(Win32Native.ADVAPI32)]
+        [SuppressUnmanagedCodeSecurity]
+        [ReliabilityContract(Consistency.WillNotCorruptState, Cer.Success)]
+        internal static extern int RegCloseKey(IntPtr hKey);
+    }
+}
+