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