2 // CancellationTokenRegistration.cs
5 // Jérémie "Garuma" Laval <jeremie.laval@gmail.com>
7 // Copyright (c) 2009 Jérémie "Garuma" Laval
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:
16 // The above copyright notice and this permission notice shall be included in
17 // all copies or substantial portions of the Software.
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
27 #if NET_4_0 || BOOTSTRAP_NET_4_0
29 using System.Threading;
31 namespace System.Threading
33 public struct CancellationTokenRegistration: IDisposable, IEquatable<CancellationTokenRegistration>
36 CancellationTokenSource source;
38 internal CancellationTokenRegistration (int id, CancellationTokenSource source)
44 #region IDisposable implementation
45 public void Dispose ()
47 // Remove the corresponding callback from source
48 source.RemoveCallback (this);
53 #region IEquatable<CancellationTokenRegistration> implementation
54 public bool Equals (CancellationTokenRegistration other)
56 return this.id == other.id && this.source == other.source;
59 public static bool operator== (CancellationTokenRegistration lhs, CancellationTokenRegistration rhs)
61 return lhs.Equals (rhs);
64 public static bool operator!= (CancellationTokenRegistration lhs, CancellationTokenRegistration rhs)
66 return !lhs.Equals (rhs);
70 public override int GetHashCode ()
72 return id.GetHashCode () ^ source.GetHashCode ();
75 public override bool Equals (object obj)
77 return (obj is CancellationTokenRegistration) ? Equals ((CancellationTokenRegistration)obj) : false;