// 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.Runtime.InteropServices; internal static partial class Interop { internal static partial class Kernel32 { internal const uint CREATE_MUTEX_INITIAL_OWNER = 0x1; [DllImport(Interop.Libraries.Kernel32, EntryPoint = "OpenMutexW", SetLastError = true, CharSet = CharSet.Unicode)] internal static extern SafeWaitHandle OpenMutex(uint desiredAccess, bool inheritHandle, string name); [DllImport(Interop.Libraries.Kernel32, EntryPoint = "CreateMutexExW", SetLastError = true, CharSet = CharSet.Unicode)] internal static extern SafeWaitHandle CreateMutexEx(IntPtr lpMutexAttributes, string name, uint flags, uint desiredAccess); [DllImport(Interop.Libraries.Kernel32, SetLastError = true)] internal static extern bool ReleaseMutex(SafeWaitHandle handle); } }