5 // Zoltan Varga (vargaz@gmail.com)
7 // Copyright (C) 2009, Novell, Inc (http://www.novell.com)
9 // Permission is hereby granted, free of charge, to any person obtaining
10 // a copy of this software and associated documentation files (the
11 // "Software"), to deal in the Software without restriction, including
12 // without limitation the rights to use, copy, modify, merge, publish,
13 // distribute, sublicense, and/or sell copies of the Software, and to
14 // permit persons to whom the Software is furnished to do so, subject to
15 // the following conditions:
17 // The above copyright notice and this permission notice shall be
18 // included in all copies or substantial portions of the Software.
20 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
21 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
22 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
23 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
24 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
25 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
26 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
33 using System.Collections.Generic;
34 using Microsoft.Win32.SafeHandles;
36 namespace System.Runtime.InteropServices
38 [CLSCompliant (false)]
39 public abstract class SafeBuffer : SafeHandleZeroOrMinusOneIsInvalid, IDisposable {
43 protected SafeBuffer (bool ownsHandle) : base (ownsHandle) {
46 public void Initialize (ulong numBytes) {
47 byte_length = numBytes;
51 public void Initialize (uint numElements, uint sizeOfEachElement) {
52 Initialize (numElements * sizeOfEachElement);
55 public void Initialize<T> (uint numElements) where T : struct {
56 Initialize (numElements, (uint)Marshal.SizeOf (typeof (T)));
59 public unsafe void AcquirePointer (ref byte* pointer) {
61 throw new InvalidOperationException ();
64 DangerousAddRef (ref success);
66 pointer = (byte*)handle;
69 public void ReleasePointer () {
71 throw new InvalidOperationException ();
75 public ulong ByteLength {
82 public T Read<T> (ulong byteOffset) where T : struct {
83 throw new NotImplementedException ();
87 public void ReadArray<T> (ulong byteOffset, T[] array, int index, int count) where T : struct {
88 throw new NotImplementedException ();
92 public void Write<T> (ulong byteOffset, T value) where T : struct {
93 throw new NotImplementedException ();
97 public void WriteArray<T> (ulong byteOffset, T[] array, int index, int count) where T : struct {
98 throw new NotImplementedException ();