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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 System;
using System.Runtime.InteropServices;
namespace Microsoft.Win32.SafeHandles
{
// Class of critical handle which uses 0 or -1 as an invalid handle.
public abstract class CriticalHandleZeroOrMinusOneIsInvalid : CriticalHandle
{
protected CriticalHandleZeroOrMinusOneIsInvalid()
: base(IntPtr.Zero)
{
}
public override bool IsInvalid => handle.IsNull() || handle == new IntPtr(-1);
}
}
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