mcs/class/corlib/System.Threading/CompressedStackSwitcher.cs

   1 //
   2 // System.Threading.CompressedStackSwitcher structure
   3 //
   4 // Author:
   5 //      Sebastien Pouliot  <sebastien@ximian.com>
   6 //
   7 // Copyright (C) 2004 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
  29 #if NET_2_0
  30
  31 using System;
  32 using System.Globalization;
  33 using System.Runtime.ConstrainedExecution;
  34 using System.Runtime.InteropServices;
  35
  36 namespace System.Threading {
  37
  38         [ComVisibleAttribute (false)]
  39         public struct CompressedStackSwitcher : IDisposable {
  40
  41                 private bool _undo;
  42
  43                 [MonoTODO]
  44                 public override bool Equals (object obj)
  45                 {
  46                         return false;
  47                 }
  48
  49                 [MonoTODO]
  50                 public override int GetHashCode ()
  51                 {
  52                         return 0;
  53                 }
  54
  55                 [MonoTODO]
  56                 [ReliabilityContract (Consistency.WillNotCorruptState, CER.MayFail)]
  57                 public void Undo ()
  58                 {
  59                         _undo = true;
  60                 }
  61
  62 // LAMESPEC: documented but not implemented (not shown by corcompare)
  63 #if false
  64                 [MonoTODO]
  65                 public static bool op_Equality (CompressedStackSwitcher c1, CompressedStackSwitcher c2)
  66                 {
  67                         return false;
  68                 }
  69
  70                 [MonoTODO]
  71                 public static bool op_Inequality (CompressedStackSwitcher c1, CompressedStackSwitcher c2)
  72                 {
  73                         return false;
  74                 }
  75 #endif
  76
  77                 void IDisposable.Dispose ()
  78                 {
  79                         if (!_undo)
  80                                 Undo ();
  81                 }
  82         }
  83 }
  84
  85 #endif