1 files changed, 0 insertions, 106 deletions
diff --git a/src/System.Private.CoreLib/src/System/Threading/Semaphore.Windows.cs b/src/System.Private.CoreLib/src/System/Threading/Semaphore.Windows.cs
deleted file mode 100644
index 3eab7f5d2..000000000
--- a/src/System.Private.CoreLib/src/System/Threading/Semaphore.Windows.cs
+++ /dev/null
@@ -1,106 +0,0 @@
-// 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.
-
-using System.Diagnostics;
-using System.Runtime.InteropServices;
-using Microsoft.Win32.SafeHandles;
-
-namespace System.Threading
-{
-    public sealed partial class Semaphore
-    {
-        private const uint AccessRights = (uint)(Interop.Constants.MaximumAllowed | Interop.Constants.Synchronize | Interop.Constants.SemaphoreModifyState);
-
-        private Semaphore(SafeWaitHandle handle)
-        {
-            SafeWaitHandle = handle;
-        }
-
-        private static void VerifyNameForCreate(string name)
-        {
-            if (null != name && Interop.Kernel32.MAX_PATH < name.Length)
-            {
-                throw new ArgumentException(SR.Format(SR.Argument_WaitHandleNameTooLong, Interop.Kernel32.MAX_PATH), nameof(name));
-            }
-        }
-
-        private void CreateSemaphoreCore(int initialCount, int maximumCount, string name, out bool createdNew)
-        {
-            Debug.Assert(initialCount >= 0);
-            Debug.Assert(maximumCount >= 1);
-            Debug.Assert(initialCount <= maximumCount);
-            Debug.Assert(name == null || name.Length <= Interop.Kernel32.MAX_PATH);
-
-            SafeWaitHandle myHandle = Interop.mincore.CreateSemaphoreEx(IntPtr.Zero, initialCount, maximumCount, name, 0, AccessRights);
-
-            if (myHandle.IsInvalid)
-            {
-                int errorCode = Marshal.GetLastWin32Error();
-                if (null != name && 0 != name.Length && Interop.Errors.ERROR_INVALID_HANDLE == errorCode)
-                    throw new WaitHandleCannotBeOpenedException(SR.Format(SR.Threading_WaitHandleCannotBeOpenedException_InvalidHandle, name));
-                throw ExceptionFromCreationError(errorCode, name);
-            }
-            else if (name != null)
-            {
-                int errorCode = Marshal.GetLastWin32Error();
-                createdNew = errorCode != Interop.Errors.ERROR_ALREADY_EXISTS;
-            }
-            else
-            {
-                createdNew = true;
-            }
-
-            SafeWaitHandle = myHandle;
-        }
-
-        private static OpenExistingResult OpenExistingWorker(string name, out Semaphore result)
-        {
-            if (name == null)
-            {
-                throw new ArgumentNullException(nameof(name));
-            }
-            if (name.Length == 0)
-            {
-                throw new ArgumentException(SR.Argument_EmptyName, nameof(name));
-            }
-            if (null != name && Interop.Kernel32.MAX_PATH < name.Length)
-            {
-                throw new ArgumentException(SR.Format(SR.Argument_WaitHandleNameTooLong, Interop.Kernel32.MAX_PATH), nameof(name));
-            }
-
-            result = null;
-
-            SafeWaitHandle myHandle = Interop.mincore.OpenSemaphore(AccessRights, false, name);
-
-            if (myHandle.IsInvalid)
-            {
-                int errorCode = Marshal.GetLastWin32Error();
-
-                if (Interop.Errors.ERROR_FILE_NOT_FOUND == errorCode || Interop.Errors.ERROR_INVALID_NAME == errorCode)
-                    return OpenExistingResult.NameNotFound;
-                if (Interop.Errors.ERROR_PATH_NOT_FOUND == errorCode)
-                    return OpenExistingResult.PathNotFound;
-                if (null != name && 0 != name.Length && Interop.Errors.ERROR_INVALID_HANDLE == errorCode)
-                    return OpenExistingResult.NameInvalid;
-
-                throw ExceptionFromCreationError(errorCode, name);
-            }
-            result = new Semaphore(myHandle);
-            return OpenExistingResult.Success;
-        }
-
-        private static int ReleaseCore(IntPtr handle, int releaseCount)
-        {
-            Debug.Assert(releaseCount > 0);
-
-            int previousCount;
-            if (!Interop.mincore.ReleaseSemaphore(handle, releaseCount, out previousCount))
-            {
-                ThrowSignalOrUnsignalException();
-            }
-
-            return previousCount;
-        }
-    }
-}