2009-09-04 Zoltan Varga <vargaz@gmail.com>

	* UnmanagedMemoryAccessor.cs: New net 4.0 class.

svn path=/trunk/mcs/; revision=141373

diff --git a/mcs/class/corlib/System.IO/ChangeLog b/mcs/class/corlib/System.IO/ChangeLog
index f222cd6fe64ac42bb1129a80211f58ed12d240c1..404cbae317e7f56913b074cca7015bd6a16c86f0 100644 (file)
--- a/mcs/class/corlib/System.IO/ChangeLog
+++ b/mcs/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/mcs/class/corlib/System.IO/UnmanagedMemoryAccessor.cs b/mcs/class/corlib/System.IO/UnmanagedMemoryAccessor.cs
new file mode 100644 (file)
index 0000000..99513e5
--- /dev/null
+++ b/mcs/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