59 lines
1.9 KiB
C#
59 lines
1.9 KiB
C#
//
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// SafeMemoryMappedViewHandle.cs
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//
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// Authors:
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// Zoltan Varga (vargaz@gmail.com)
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//
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// Copyright (C) 2009, Novell, Inc (http://www.novell.com)
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//
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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using System;
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using System.IO;
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using System.Runtime.InteropServices;
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using System.IO.MemoryMappedFiles;
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using Microsoft.Win32.SafeHandles;
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namespace Microsoft.Win32.SafeHandles
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{
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public sealed class SafeMemoryMappedViewHandle : SafeBuffer {
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IntPtr mmap_handle;
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internal SafeMemoryMappedViewHandle (IntPtr mmap_handle, IntPtr base_address, long size) : base (true) {
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this.mmap_handle = mmap_handle;
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this.handle = base_address;
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Initialize ((ulong)size);
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}
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internal void Flush () {
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MemoryMapImpl.Flush (this.mmap_handle);
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}
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protected override bool ReleaseHandle () {
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if (this.handle != (IntPtr) (-1))
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return MemoryMapImpl.Unmap (this.mmap_handle);
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throw new NotImplementedException ();
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}
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}
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}
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