UnmanagedMemoryAccessor.cs 2.3 KB

1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374
  1. //
  2. // System.IO.UnmanagedMemoryAccessor.cs
  3. //
  4. // Author:
  5. // Zoltan Varga ([email protected])
  6. //
  7. // Copyright (C) 2009 Novell, Inc (http://www.novell.com)
  8. //
  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:
  16. //
  17. // The above copyright notice and this permission notice shall be
  18. // included in all copies or substantial portions of the Software.
  19. //
  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.
  27. //
  28. #if NET_4_0
  29. using System;
  30. using System.Runtime.InteropServices;
  31. namespace System.IO
  32. {
  33. public class UnmanagedMemoryAccessor : IDisposable {
  34. SafeBuffer buffer;
  35. long offset;
  36. long capacity;
  37. FileAccess access;
  38. [MonoTODO]
  39. public UnmanagedMemoryAccessor () {
  40. throw new NotImplementedException ();
  41. }
  42. public UnmanagedMemoryAccessor (SafeBuffer buffer, long offset, long capacity) : this (buffer, offset, capacity, FileAccess.ReadWrite) {
  43. }
  44. public UnmanagedMemoryAccessor (SafeBuffer buffer, long offset, long capacity, FileAccess access) {
  45. if (buffer == null)
  46. throw new ArgumentNullException ("buffer");
  47. if (offset < 0)
  48. throw new ArgumentOutOfRangeException ("offset");
  49. if (capacity < 0)
  50. throw new ArgumentOutOfRangeException ("capacity");
  51. if (offset + capacity < 0)
  52. throw new InvalidOperationException ();
  53. this.buffer = buffer;
  54. this.offset = offset;
  55. this.capacity = capacity;
  56. this.access = access;
  57. }
  58. public void Dispose () {
  59. Dispose (true);
  60. }
  61. public void Dispose (bool disposing) {
  62. }
  63. }
  64. }
  65. #endif