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//-----------------------------------------------------------------------------
// Copyright (c) Microsoft Corporation. All rights reserved.
//-----------------------------------------------------------------------------
namespace System.ServiceModel.Activation.Interop
{
using System;
using System.Runtime.ConstrainedExecution;
using System.Runtime.InteropServices;
using System.Runtime.Versioning;
using System.Security;
using Microsoft.Win32.SafeHandles;
#pragma warning disable 618 // have not moved to the v4 security model yet
[SecurityCritical(SecurityCriticalScope.Everything)]
#pragma warning restore 618
sealed class SafeCloseHandleCritical : SafeHandleZeroOrMinusOneIsInvalid
{
const string KERNEL32 = "kernel32.dll";
SafeCloseHandleCritical()
: base(true)
{
}
protected override bool ReleaseHandle()
{
return CloseHandle(handle);
}
[DllImport(KERNEL32, ExactSpelling = true, SetLastError = true)]
[SuppressUnmanagedCodeSecurity]
[ReliabilityContract(Consistency.WillNotCorruptState, Cer.Success)]
[ResourceExposure(ResourceScope.None)]
extern static bool CloseHandle(IntPtr handle);
}
}
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