aspnetcore/shared/Microsoft.AspNetCore.HttpSy.../NativeInterop/HeapAllocHandle.cs

26 lines
853 B
C#

// Copyright (c) .NET Foundation. All rights reserved.
// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
using System;
using Microsoft.Win32.SafeHandles;
namespace Microsoft.AspNetCore.HttpSys.Internal
{
internal sealed class HeapAllocHandle : SafeHandleZeroOrMinusOneIsInvalid
{
private static readonly IntPtr ProcessHeap = UnsafeNclNativeMethods.GetProcessHeap();
// Called by P/Invoke when returning SafeHandles
private HeapAllocHandle()
: base(ownsHandle: true)
{
}
// Do not provide a finalizer - SafeHandle's critical finalizer will call ReleaseHandle for you.
protected override bool ReleaseHandle()
{
return UnsafeNclNativeMethods.HeapFree(ProcessHeap, 0, handle);
}
}
}