code.grnet.gr Git - pithos-ms-client/blob - trunk/Libraries/ParallelExtensionsExtras/Extensions/CancellationTokenExtensions.cs

   1 //--------------------------------------------------------------------------
   2 //
   3 //  Copyright (c) Microsoft Corporation.  All rights reserved.
   4 //
   5 //  File: CancellationTokenExtensions.cs
   6 //
   7 //--------------------------------------------------------------------------
   8
   9 using System.Collections.Concurrent.Partitioners;
  10 using System.Collections.Generic;
  11
  12 namespace System.Threading
  13 {
  14     /// <summary>Extension methods for CancellationToken.</summary>
  15     public static class CancellationTokenExtensions
  16     {
  17         /// <summary>Cancels a CancellationTokenSource and throws a corresponding OperationCanceledException.</summary>
  18         /// <param name="source">The source to be canceled.</param>
  19         public static void CancelAndThrow(this CancellationTokenSource source)
  20         {
  21             source.Cancel();
  22             source.Token.ThrowIfCancellationRequested();
  23         }
  24
  25         /// <summary>
  26         /// Creates a CancellationTokenSource that will be canceled when the specified token has cancellation requested.
  27         /// </summary>
  28         /// <param name="token">The token.</param>
  29         /// <returns>The created CancellationTokenSource.</returns>
  30         public static CancellationTokenSource CreateLinkedSource(this CancellationToken token)
  31         {
  32             return CancellationTokenSource.CreateLinkedTokenSource(token, new CancellationToken());
  33         }
  34     }
  35 }