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

   1 //
   2 // System.Threading.Interlocked.cs
   3 //
   4 // Author:
   5 //        Patrik Torstensson (patrik.torstensson@labs2.com)
   6 //   Dick Porter (dick@ximian.com)
   7 //
   8 // (C) Ximian, Inc.  http://www.ximian.com
   9 //
  10
  11 using System;
  12 using System.Runtime.CompilerServices;
  13
  14 namespace System.Threading
  15 {
  16         public sealed class Interlocked
  17         {
  18                 private Interlocked () {}
  19
  20                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
  21                 public extern static int CompareExchange(ref int location1, int value, int comparand);
  22
  23                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
  24                 public extern static object CompareExchange(ref object location1, object value, object comparand);
  25
  26                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
  27                 public extern static float CompareExchange(ref float location1, float value, float comparand);
  28
  29                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
  30                 public extern static int Decrement(ref int location);
  31
  32                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
  33                 public extern static long Decrement(ref long location);
  34
  35                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
  36                 public extern static int Increment(ref int location);
  37
  38                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
  39                 public extern static long Increment(ref long location);
  40
  41                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
  42                 public extern static int Exchange(ref int location1, int value);
  43
  44                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
  45                 public extern static object Exchange(ref object location1, object value);
  46
  47                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
  48                 public extern static float Exchange(ref float location1, float value);
  49         }
  50 }
  51