68 lines
2.1 KiB
C#
68 lines
2.1 KiB
C#
// Copyright (c) Microsoft Open Technologies, Inc.
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// All Rights Reserved
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// THIS CODE IS PROVIDED *AS IS* BASIS, WITHOUT WARRANTIES OR
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// CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING
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// WITHOUT LIMITATION ANY IMPLIED WARRANTIES OR CONDITIONS OF
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// TITLE, FITNESS FOR A PARTICULAR PURPOSE, MERCHANTABLITY OR
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// NON-INFRINGEMENT.
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// See the Apache 2 License for the specific language governing
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// permissions and limitations under the License.
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// -----------------------------------------------------------------------
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// <copyright file="SafeLocalFreeChannelBinding.cs" company="Microsoft">
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// Copyright (c) Microsoft Corporation. All rights reserved.
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// </copyright>
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// -----------------------------------------------------------------------
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using System;
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using System.Security.Authentication.ExtendedProtection;
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namespace Microsoft.Net.Http.Server
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{
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internal class SafeLocalFreeChannelBinding : ChannelBinding
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{
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private const int LMEM_FIXED = 0;
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private int size;
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public override int Size
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{
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get { return size; }
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}
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public static SafeLocalFreeChannelBinding LocalAlloc(int cb)
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{
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SafeLocalFreeChannelBinding result;
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result = UnsafeNclNativeMethods.SafeNetHandles.LocalAllocChannelBinding(LMEM_FIXED, (UIntPtr)cb);
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if (result.IsInvalid)
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{
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result.SetHandleAsInvalid();
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throw new OutOfMemoryException();
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}
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result.size = cb;
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return result;
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}
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protected override bool ReleaseHandle()
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{
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return UnsafeNclNativeMethods.SafeNetHandles.LocalFree(handle) == IntPtr.Zero;
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}
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public override bool IsInvalid
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{
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get
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{
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return handle == IntPtr.Zero || handle.ToInt32() == -1;
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}
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}
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}
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}
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