From 925a3ec0c0675f4518390fe297719ce34fa5ed35 Mon Sep 17 00:00:00 2001
From: zoltan <zoltan@e3ebcda4-bce8-0310-ba0a-eca2169e7518>
Date: Fri, 4 Sep 2009 21:50:00 +0000
Subject: [PATCH] 2009-09-04  Zoltan Varga  <vargaz@gmail.com>

	* UnmanagedMemoryAccessor.cs: New net 4.0 class.

git-svn-id: svn+ssh://mono-cvs.ximian.com/source/trunk/mcs@141373 e3ebcda4-bce8-0310-ba0a-eca2169e7518
---
 class/corlib/System.IO/ChangeLog                  |  4 ++
 class/corlib/System.IO/UnmanagedMemoryAccessor.cs | 74 +++++++++++++++++++++++
 2 files changed, 78 insertions(+)
 create mode 100644 class/corlib/System.IO/UnmanagedMemoryAccessor.cs

diff --git a/class/corlib/System.IO/ChangeLog b/class/corlib/System.IO/ChangeLog
index f222cd6fe6..404cbae317 100644
--- a/class/corlib/System.IO/ChangeLog
+++ b/class/corlib/System.IO/ChangeLog
@@ -1,3 +1,7 @@
+2009-09-04  Zoltan Varga  <vargaz@gmail.com>
+
+	* UnmanagedMemoryAccessor.cs: New net 4.0 class.
+
 2009-07-14 Gonzalo Paniagua Javier <gonzalo@novell.com>
 
 	* Path.cs: only trim the end of the file.
diff --git a/class/corlib/System.IO/UnmanagedMemoryAccessor.cs b/class/corlib/System.IO/UnmanagedMemoryAccessor.cs
new file mode 100644
index 0000000000..99513e59cb
--- /dev/null
+++ b/class/corlib/System.IO/UnmanagedMemoryAccessor.cs
@@ -0,0 +1,74 @@
+//
+// System.IO.UnmanagedMemoryAccessor.cs
+//
+// Author:
+//  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.
+//
+
+#if NET_4_0
+
+using System;
+using System.Runtime.InteropServices;
+
+namespace System.IO
+{
+	public class UnmanagedMemoryAccessor : IDisposable {
+		SafeBuffer buffer;
+		long offset;
+		long capacity;
+		FileAccess access;
+
+		[MonoTODO]
+		public UnmanagedMemoryAccessor () {
+			throw new NotImplementedException ();
+		}
+
+		public UnmanagedMemoryAccessor (SafeBuffer buffer, long offset, long capacity) : this (buffer, offset, capacity, FileAccess.ReadWrite) {
+		}
+
+		public UnmanagedMemoryAccessor (SafeBuffer buffer, long offset, long capacity, FileAccess access) {
+			if (buffer == null)
+				throw new ArgumentNullException ("buffer");
+			if (offset < 0)
+				throw new ArgumentOutOfRangeException ("offset");
+			if (capacity < 0)
+				throw new ArgumentOutOfRangeException ("capacity");
+			if (offset + capacity < 0)
+				throw new InvalidOperationException ();
+			this.buffer = buffer;
+			this.offset = offset;
+			this.capacity = capacity;
+			this.access = access;
+		}
+
+		public void Dispose () {
+			Dispose (true);
+		}
+
+		public void Dispose (bool disposing) {
+		}
+	}
+}
+
+#endif
\ No newline at end of file
-- 
2.11.4.GIT