src/mscorlib/corefx/Interop/Windows/mincore/Interop.LockFile.cs


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// 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 Microsoft.Win32.SafeHandles;
using System;
using System.IO;
using System.Runtime.InteropServices;

internal partial class Interop
{
    internal partial class mincore
    {
        [DllImport(Libraries.CoreFile_L1, SetLastError = true)]
        internal static extern bool LockFile(SafeFileHandle handle, int offsetLow, int offsetHigh, int countLow, int countHigh);

        [DllImport(Libraries.CoreFile_L1, SetLastError = true)]
        internal static extern bool UnlockFile(SafeFileHandle handle, int offsetLow, int offsetHigh, int countLow, int countHigh);
    }
}