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//------------------------------------------------------------------------------
// <copyright file="SafePerfProviderHandle.cs" company="Microsoft">
// Copyright (c) Microsoft Corporation. All rights reserved.
// </copyright>
//------------------------------------------------------------------------------
namespace Microsoft.Win32.SafeHandles {
using System;
using System.Threading;
using System.Diagnostics;
using Microsoft.Win32;
using Microsoft.Win32.SafeHandles;
#pragma warning disable 618 // Have not migrated to v4 transparency yet
[System.Security.SecurityCritical(System.Security.SecurityCriticalScope.Everything)]
#pragma warning restore 618
internal sealed class SafePerfProviderHandle : SafeHandleZeroOrMinusOneIsInvalid {
private SafePerfProviderHandle() : base(true) {}
protected override bool ReleaseHandle() {
IntPtr tempProviderHandle = handle;
if (Interlocked.Exchange(ref handle, IntPtr.Zero) != IntPtr.Zero) {
uint Status = UnsafeNativeMethods.PerfStopProvider(tempProviderHandle);
Debug.Assert(Status == (uint)UnsafeNativeMethods.ERROR_SUCCESS, "PerfStopProvider() fails");
// ERROR_INVALID_PARAMETER
}
return true;
}
}
}
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