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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
using System;
using System.Diagnostics.CodeAnalysis;
using System.Threading;
using System.Threading.Tasks;
using Roslyn.Utilities;
namespace Microsoft.CodeAnalysis.Shared.TestHooks;
internal static partial class TaskExtensions
{
[SuppressMessage("Style", "VSTHRD200:Use \"Async\" suffix for async methods", Justification = "This is a Task wrapper, not an asynchronous method.")]
public static Task CompletesAsyncOperation(this Task task, IAsyncToken asyncToken)
{
if (asyncToken is AsynchronousOperationListener.DiagnosticAsyncToken diagnosticToken)
{
diagnosticToken.AssociateWithTask(task);
}
return task.CompletesTrackingOperation(asyncToken);
}
[PerformanceSensitive(
"https://developercommunity.visualstudio.com/content/problem/854696/changing-target-framework-takes-10-minutes-with-10.html",
AllowCaptures = false)]
[SuppressMessage("Style", "VSTHRD200:Use \"Async\" suffix for async methods", Justification = "This is a Task wrapper, not an asynchronous method.")]
public static Task CompletesTrackingOperation(this Task task, IDisposable token)
{
if (token == null || token == EmptyAsyncToken.Instance)
{
return task;
}
return CompletesTrackingOperationSlow(task, token);
static Task CompletesTrackingOperationSlow(Task task, IDisposable token)
{
return task.SafeContinueWith(
t => token.Dispose(),
CancellationToken.None,
TaskContinuationOptions.ExecuteSynchronously,
TaskScheduler.Default);
}
}
}
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