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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.Security;
namespace System.Threading
{
public static class WaitHandleExtensions
{
/// <summary>
/// Gets the native operating system handle.
/// </summary>
/// <param name="waitHandle">The <see cref="System.Threading.WaitHandle"/> to operate on.</param>
/// <returns>A <see cref="System.Runtime.InteropServices.SafeHandle"/> representing the native operating system handle.</returns>
[SecurityCritical]
public static SafeWaitHandle GetSafeWaitHandle(this WaitHandle waitHandle)
{
if (waitHandle == null)
{
throw new ArgumentNullException("waitHandle");
}
return waitHandle.SafeWaitHandle;
}
/// <summary>
/// Sets the native operating system handle
/// </summary>
/// <param name="waitHandle">The <see cref="System.Threading.WaitHandle"/> to operate on.</param>
/// <param name="value">A <see cref="System.Runtime.InteropServices.SafeHandle"/> representing the native operating system handle.</param>
[SecurityCritical]
public static void SetSafeWaitHandle(this WaitHandle waitHandle, SafeWaitHandle value)
{
if (waitHandle == null)
{
throw new ArgumentNullException("waitHandle");
}
waitHandle.SafeWaitHandle = value;
}
}
}
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