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 #if NET_4_5
  33         public
  34 #endif
  35         static class Volatile
  36         {
  37                 [MethodImplAttribute (MethodImplOptions.InternalCall)]
  38                 [ReliabilityContract (Consistency.WillNotCorruptState, Cer.Success)]
  39                 public extern static bool Read (ref bool location);
  40
  41                 [MethodImplAttribute (MethodImplOptions.InternalCall)]
  42                 [ReliabilityContract (Consistency.WillNotCorruptState, Cer.Success)]
  43                 public extern static byte Read (ref byte location);
  44
  45                 [MethodImplAttribute (MethodImplOptions.InternalCall)]
  46                 [ReliabilityContract (Consistency.WillNotCorruptState, Cer.Success)]
  47                 [CLSCompliant (false)]
  48                 public extern static sbyte Read (ref sbyte location);
  49
  50                 [MethodImplAttribute (MethodImplOptions.InternalCall)]
  51                 [ReliabilityContract (Consistency.WillNotCorruptState, Cer.Success)]
  52                 public extern static short Read (ref short location);
  53
  54                 [MethodImplAttribute (MethodImplOptions.InternalCall)]
  55                 [ReliabilityContract (Consistency.WillNotCorruptState, Cer.Success)]
  56                 [CLSCompliant (false)]
  57                 public extern static ushort Read (ref ushort location);
  58
  59                 [MethodImplAttribute (MethodImplOptions.InternalCall)]
  60                 [ReliabilityContract (Consistency.WillNotCorruptState, Cer.Success)]
  61                 public extern static int Read (ref int location);
  62
  63                 [MethodImplAttribute (MethodImplOptions.InternalCall)]
  64                 [ReliabilityContract (Consistency.WillNotCorruptState, Cer.Success)]
  65                 [CLSCompliant (false)]
  66                 public extern static uint Read (ref uint location);
  67
  68                 [MethodImplAttribute (MethodImplOptions.InternalCall)]
  69                 [ReliabilityContract (Consistency.WillNotCorruptState, Cer.Success)]
  70                 public extern static long Read (ref long location);
  71
  72                 [MethodImplAttribute (MethodImplOptions.InternalCall)]
  73                 [ReliabilityContract (Consistency.WillNotCorruptState, Cer.Success)]
  74                 [CLSCompliant (false)]
  75                 public extern static ulong Read (ref ulong location);
  76
  77                 [MethodImplAttribute (MethodImplOptions.InternalCall)]
  78                 [ReliabilityContract (Consistency.WillNotCorruptState, Cer.Success)]
  79                 public extern static IntPtr Read (ref IntPtr location);
  80
  81                 [MethodImplAttribute (MethodImplOptions.InternalCall)]
  82                 [ReliabilityContract (Consistency.WillNotCorruptState, Cer.Success)]
  83                 [CLSCompliant (false)]
  84                 public extern static UIntPtr Read (ref UIntPtr location);
  85
  86                 [MethodImplAttribute (MethodImplOptions.InternalCall)]
  87                 [ReliabilityContract (Consistency.WillNotCorruptState, Cer.Success)]
  88                 public extern static double Read (ref double location);
  89
  90                 [MethodImplAttribute (MethodImplOptions.InternalCall)]
  91                 [ReliabilityContract (Consistency.WillNotCorruptState, Cer.Success)]
  92                 public extern static float Read (ref float location);
  93
  94                 [MethodImplAttribute (MethodImplOptions.InternalCall)]
  95                 [ReliabilityContract (Consistency.WillNotCorruptState, Cer.Success)]
  96                 public extern static T Read<T> (ref T location) where T : class;
  97
  98                 [MethodImplAttribute (MethodImplOptions.InternalCall)]
  99                 [ReliabilityContract (Consistency.WillNotCorruptState, Cer.Success)]
 100                 public extern static void Write (ref bool location, bool value);
 101
 102                 [MethodImplAttribute (MethodImplOptions.InternalCall)]
 103                 [ReliabilityContract (Consistency.WillNotCorruptState, Cer.Success)]
 104                 public extern static void Write (ref byte location, byte value);
 105
 106                 [MethodImplAttribute (MethodImplOptions.InternalCall)]
 107                 [ReliabilityContract (Consistency.WillNotCorruptState, Cer.Success)]
 108                 [CLSCompliant (false)]
 109                 public extern static void Write (ref sbyte location, sbyte value);
 110
 111                 [MethodImplAttribute (MethodImplOptions.InternalCall)]
 112                 [ReliabilityContract (Consistency.WillNotCorruptState, Cer.Success)]
 113                 public extern static void Write (ref short location, short value);
 114
 115                 [MethodImplAttribute (MethodImplOptions.InternalCall)]
 116                 [ReliabilityContract (Consistency.WillNotCorruptState, Cer.Success)]
 117                 [CLSCompliant (false)]
 118                 public extern static void Write (ref ushort location, ushort value);
 119
 120                 [MethodImplAttribute (MethodImplOptions.InternalCall)]
 121                 [ReliabilityContract (Consistency.WillNotCorruptState, Cer.Success)]
 122                 public extern static void Write (ref int location, int value);
 123
 124                 [MethodImplAttribute (MethodImplOptions.InternalCall)]
 125                 [ReliabilityContract (Consistency.WillNotCorruptState, Cer.Success)]
 126                 [CLSCompliant (false)]
 127                 public extern static void Write (ref uint location, uint value);
 128
 129                 [MethodImplAttribute (MethodImplOptions.InternalCall)]
 130                 [ReliabilityContract (Consistency.WillNotCorruptState, Cer.Success)]
 131                 public extern static void Write (ref long location, long value);
 132
 133                 [MethodImplAttribute (MethodImplOptions.InternalCall)]
 134                 [ReliabilityContract (Consistency.WillNotCorruptState, Cer.Success)]
 135                 [CLSCompliant (false)]
 136                 public extern static void Write (ref ulong location, ulong value);
 137
 138                 [MethodImplAttribute (MethodImplOptions.InternalCall)]
 139                 [ReliabilityContract (Consistency.WillNotCorruptState, Cer.Success)]
 140                 public extern static void Write (ref IntPtr location, IntPtr value);
 141
 142                 [MethodImplAttribute (MethodImplOptions.InternalCall)]
 143                 [ReliabilityContract (Consistency.WillNotCorruptState, Cer.Success)]
 144                 [CLSCompliant (false)]
 145                 public extern static void Write (ref UIntPtr location, UIntPtr value);
 146
 147                 [MethodImplAttribute (MethodImplOptions.InternalCall)]
 148                 [ReliabilityContract (Consistency.WillNotCorruptState, Cer.Success)]
 149                 public extern static void Write (ref double location, double value);
 150
 151                 [MethodImplAttribute (MethodImplOptions.InternalCall)]
 152                 [ReliabilityContract (Consistency.WillNotCorruptState, Cer.Success)]
 153                 public extern static void Write (ref float location, float value);
 154
 155                 [MethodImplAttribute (MethodImplOptions.InternalCall)]
 156                 [ReliabilityContract (Consistency.WillNotCorruptState, Cer.Success)]
 157                 public extern static void Write<T>(ref T location, T value) where T : class;
 158         }
 159 }