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

   1 //
   2 // Volatile.cs
   3 //
   4 // Authors:
   5 //       Marek Safar (marek.safar@gmail.com)
   6 //
   7 // Copyright 2011 Xamarin, Inc (http://www.xamarin.com)
   8 //
   9 // Permission is hereby granted, free of charge, to any person obtaining a copy
  10 // of this software and associated documentation files (the "Software"), to deal
  11 // in the Software without restriction, including without limitation the rights
  12 // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  13 // copies of the Software, and to permit persons to whom the Software is
  14 // furnished to do so, subject to the following conditions:
  15 //
  16 // The above copyright notice and this permission notice shall be included in
  17 // all copies or substantial portions of the Software.
  18 //
  19 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  20 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  21 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  22 // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  23 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  24 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  25 // THE SOFTWARE.
  26
  27 using System.Runtime.ConstrainedExecution;
  28 using System.Runtime.CompilerServices;
  29
  30 namespace System.Threading
  31 {
  32         public
  33         static class Volatile
  34         {
  35                 [MethodImplAttribute (MethodImplOptions.InternalCall)]
  36                 [ReliabilityContract (Consistency.WillNotCorruptState, Cer.Success)]
  37                 public extern static bool Read (ref bool location);
  38
  39                 [MethodImplAttribute (MethodImplOptions.InternalCall)]
  40                 [ReliabilityContract (Consistency.WillNotCorruptState, Cer.Success)]
  41                 public extern static byte Read (ref byte location);
  42
  43                 [MethodImplAttribute (MethodImplOptions.InternalCall)]
  44                 [ReliabilityContract (Consistency.WillNotCorruptState, Cer.Success)]
  45                 [CLSCompliant (false)]
  46                 public extern static sbyte Read (ref sbyte location);
  47
  48                 [MethodImplAttribute (MethodImplOptions.InternalCall)]
  49                 [ReliabilityContract (Consistency.WillNotCorruptState, Cer.Success)]
  50                 public extern static short Read (ref short location);
  51
  52                 [MethodImplAttribute (MethodImplOptions.InternalCall)]
  53                 [ReliabilityContract (Consistency.WillNotCorruptState, Cer.Success)]
  54                 [CLSCompliant (false)]
  55                 public extern static ushort Read (ref ushort location);
  56
  57                 [MethodImplAttribute (MethodImplOptions.InternalCall)]
  58                 [ReliabilityContract (Consistency.WillNotCorruptState, Cer.Success)]
  59                 public extern static int Read (ref int location);
  60
  61                 [MethodImplAttribute (MethodImplOptions.InternalCall)]
  62                 [ReliabilityContract (Consistency.WillNotCorruptState, Cer.Success)]
  63                 [CLSCompliant (false)]
  64                 public extern static uint Read (ref uint location);
  65
  66                 [MethodImplAttribute (MethodImplOptions.InternalCall)]
  67                 [ReliabilityContract (Consistency.WillNotCorruptState, Cer.Success)]
  68                 public extern static long Read (ref long location);
  69
  70                 [MethodImplAttribute (MethodImplOptions.InternalCall)]
  71                 [ReliabilityContract (Consistency.WillNotCorruptState, Cer.Success)]
  72                 [CLSCompliant (false)]
  73                 public extern static ulong Read (ref ulong location);
  74
  75                 [MethodImplAttribute (MethodImplOptions.InternalCall)]
  76                 [ReliabilityContract (Consistency.WillNotCorruptState, Cer.Success)]
  77                 public extern static IntPtr Read (ref IntPtr location);
  78
  79                 [MethodImplAttribute (MethodImplOptions.InternalCall)]
  80                 [ReliabilityContract (Consistency.WillNotCorruptState, Cer.Success)]
  81                 [CLSCompliant (false)]
  82                 public extern static UIntPtr Read (ref UIntPtr location);
  83
  84                 [MethodImplAttribute (MethodImplOptions.InternalCall)]
  85                 [ReliabilityContract (Consistency.WillNotCorruptState, Cer.Success)]
  86                 public extern static double Read (ref double location);
  87
  88                 [MethodImplAttribute (MethodImplOptions.InternalCall)]
  89                 [ReliabilityContract (Consistency.WillNotCorruptState, Cer.Success)]
  90                 public extern static float Read (ref float location);
  91
  92                 [MethodImplAttribute (MethodImplOptions.InternalCall)]
  93                 [ReliabilityContract (Consistency.WillNotCorruptState, Cer.Success)]
  94                 public extern static T Read<T> (ref T location) where T : class;
  95
  96                 [MethodImplAttribute (MethodImplOptions.InternalCall)]
  97                 [ReliabilityContract (Consistency.WillNotCorruptState, Cer.Success)]
  98                 public extern static void Write (ref bool location, bool value);
  99
 100                 [MethodImplAttribute (MethodImplOptions.InternalCall)]
 101                 [ReliabilityContract (Consistency.WillNotCorruptState, Cer.Success)]
 102                 public extern static void Write (ref byte location, byte value);
 103
 104                 [MethodImplAttribute (MethodImplOptions.InternalCall)]
 105                 [ReliabilityContract (Consistency.WillNotCorruptState, Cer.Success)]
 106                 [CLSCompliant (false)]
 107                 public extern static void Write (ref sbyte location, sbyte value);
 108
 109                 [MethodImplAttribute (MethodImplOptions.InternalCall)]
 110                 [ReliabilityContract (Consistency.WillNotCorruptState, Cer.Success)]
 111                 public extern static void Write (ref short location, short value);
 112
 113                 [MethodImplAttribute (MethodImplOptions.InternalCall)]
 114                 [ReliabilityContract (Consistency.WillNotCorruptState, Cer.Success)]
 115                 [CLSCompliant (false)]
 116                 public extern static void Write (ref ushort location, ushort value);
 117
 118                 [MethodImplAttribute (MethodImplOptions.InternalCall)]
 119                 [ReliabilityContract (Consistency.WillNotCorruptState, Cer.Success)]
 120                 public extern static void Write (ref int location, int value);
 121
 122                 [MethodImplAttribute (MethodImplOptions.InternalCall)]
 123                 [ReliabilityContract (Consistency.WillNotCorruptState, Cer.Success)]
 124                 [CLSCompliant (false)]
 125                 public extern static void Write (ref uint location, uint value);
 126
 127                 [MethodImplAttribute (MethodImplOptions.InternalCall)]
 128                 [ReliabilityContract (Consistency.WillNotCorruptState, Cer.Success)]
 129                 public extern static void Write (ref long location, long value);
 130
 131                 [MethodImplAttribute (MethodImplOptions.InternalCall)]
 132                 [ReliabilityContract (Consistency.WillNotCorruptState, Cer.Success)]
 133                 [CLSCompliant (false)]
 134                 public extern static void Write (ref ulong location, ulong value);
 135
 136                 [MethodImplAttribute (MethodImplOptions.InternalCall)]
 137                 [ReliabilityContract (Consistency.WillNotCorruptState, Cer.Success)]
 138                 public extern static void Write (ref IntPtr location, IntPtr value);
 139
 140                 [MethodImplAttribute (MethodImplOptions.InternalCall)]
 141                 [ReliabilityContract (Consistency.WillNotCorruptState, Cer.Success)]
 142                 [CLSCompliant (false)]
 143                 public extern static void Write (ref UIntPtr location, UIntPtr value);
 144
 145                 [MethodImplAttribute (MethodImplOptions.InternalCall)]
 146                 [ReliabilityContract (Consistency.WillNotCorruptState, Cer.Success)]
 147                 public extern static void Write (ref double location, double value);
 148
 149                 [MethodImplAttribute (MethodImplOptions.InternalCall)]
 150                 [ReliabilityContract (Consistency.WillNotCorruptState, Cer.Success)]
 151                 public extern static void Write (ref float location, float value);
 152
 153                 [MethodImplAttribute (MethodImplOptions.InternalCall)]
 154                 [ReliabilityContract (Consistency.WillNotCorruptState, Cer.Success)]
 155                 public extern static void Write<T>(ref T location, T value) where T : class;
 156         }
 157 }