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 #if NET_4_5
  28
  29 using System.Runtime.ConstrainedExecution;
  30 using System.Runtime.CompilerServices;
  31
  32 namespace System.Threading
  33 {
  34         public static class Volatile
  35         {
  36                 [MethodImplAttribute (MethodImplOptions.InternalCall)]
  37                 [ReliabilityContract (Consistency.WillNotCorruptState, Cer.Success)]
  38                 public extern static bool Read (ref bool location);
  39
  40                 [MethodImplAttribute (MethodImplOptions.InternalCall)]
  41                 [ReliabilityContract (Consistency.WillNotCorruptState, Cer.Success)]
  42                 public extern static byte Read (ref byte location);
  43
  44                 [MethodImplAttribute (MethodImplOptions.InternalCall)]
  45                 [ReliabilityContract (Consistency.WillNotCorruptState, Cer.Success)]
  46                 [CLSCompliant (false)]
  47                 public extern static sbyte Read (ref sbyte location);
  48
  49                 [MethodImplAttribute (MethodImplOptions.InternalCall)]
  50                 [ReliabilityContract (Consistency.WillNotCorruptState, Cer.Success)]
  51                 public extern static short Read (ref short location);
  52
  53                 [MethodImplAttribute (MethodImplOptions.InternalCall)]
  54                 [ReliabilityContract (Consistency.WillNotCorruptState, Cer.Success)]
  55                 [CLSCompliant (false)]
  56                 public extern static ushort Read (ref ushort location);
  57
  58                 [MethodImplAttribute (MethodImplOptions.InternalCall)]
  59                 [ReliabilityContract (Consistency.WillNotCorruptState, Cer.Success)]
  60                 public extern static int Read (ref int location);
  61
  62                 [MethodImplAttribute (MethodImplOptions.InternalCall)]
  63                 [ReliabilityContract (Consistency.WillNotCorruptState, Cer.Success)]
  64                 [CLSCompliant (false)]
  65                 public extern static uint Read (ref uint location);
  66
  67                 [MethodImplAttribute (MethodImplOptions.InternalCall)]
  68                 [ReliabilityContract (Consistency.WillNotCorruptState, Cer.Success)]
  69                 public extern static long Read (ref long location);
  70
  71                 [MethodImplAttribute (MethodImplOptions.InternalCall)]
  72                 [ReliabilityContract (Consistency.WillNotCorruptState, Cer.Success)]
  73                 [CLSCompliant (false)]
  74                 public extern static ulong Read (ref ulong location);
  75
  76                 [MethodImplAttribute (MethodImplOptions.InternalCall)]
  77                 [ReliabilityContract (Consistency.WillNotCorruptState, Cer.Success)]
  78                 public extern static IntPtr Read (ref IntPtr location);
  79
  80                 [MethodImplAttribute (MethodImplOptions.InternalCall)]
  81                 [ReliabilityContract (Consistency.WillNotCorruptState, Cer.Success)]
  82                 [CLSCompliant (false)]
  83                 public extern static UIntPtr Read (ref UIntPtr location);
  84
  85                 [MethodImplAttribute (MethodImplOptions.InternalCall)]
  86                 [ReliabilityContract (Consistency.WillNotCorruptState, Cer.Success)]
  87                 public extern static double Read (ref double location);
  88
  89                 [MethodImplAttribute (MethodImplOptions.InternalCall)]
  90                 [ReliabilityContract (Consistency.WillNotCorruptState, Cer.Success)]
  91                 public extern static float Read (ref float location);
  92
  93                 [MethodImplAttribute (MethodImplOptions.InternalCall)]
  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                 public extern static void Write<T>(ref T location, T value) where T : class;
 155         }
 156 }
 157
 158 #endif