Add net5.0 and net5.0-windows TFMs

azure-pipelines/dotnet.yml

@@ -38,6 +38,15 @@ steps:
     workingDirectory: test/Microsoft.VisualStudio.Threading.Tests
   condition: ne(variables['OptProf'], 'true')
 
+- task: DotNetCoreCLI@2
+  displayName: dotnet test -f net5.0-windows
+  inputs:
+    command: test
+    arguments: --no-build -c $(BuildConfiguration) -f net5.0-windows --filter "TestCategory!=FailsInCloudTest" -v n /p:CollectCoverage=true --settings "$(Build.Repository.LocalPath)/azure-pipelines/$(Agent.OS).runsettings" /bl:"$(Build.ArtifactStagingDirectory)/build_logs/test_net5.0-windows.binlog"
+    testRunTitle: net5.0-windows-$(Agent.JobName)
+    workingDirectory: test/Microsoft.VisualStudio.Threading.Tests
+  condition: and(ne(variables['OptProf'], 'true'), eq(variables['Agent.OS'], 'Windows_NT'))
+
 # We have to artifically run this script so that the extra .nupkg is produced for variables/InsertConfigValues.ps1 to notice.
 - powershell: azure-pipelines\artifacts\VSInsertion.ps1
   displayName: Prepare VSInsertion artifact

src/Microsoft.VisualStudio.Threading/AsyncReaderWriterLock.cs

@@ -1104,9 +1104,7 @@ private bool TryIssueLock(Awaiter awaiter, bool previouslyQueued, bool skipPendi
                                     // an accidental execution fork that is exposing concurrency inappropriately.
                                     if (this.CanCurrentThreadHoldActiveLock && !(SynchronizationContext.Current is NonConcurrentSynchronizationContext))
                                     {
-#if NETFRAMEWORK || NETCOREAPP // Assertion failures crash on .NET Core < 3.0
                                         Report.Fail("Dangerous request for read lock from fork of write lock.");
-#endif
                                         Verify.FailOperation(Strings.DangerousReadLockRequestFromWriteLockFork);
                                     }
 

src/Microsoft.VisualStudio.Threading/AwaitExtensions.cs

@@ -10,6 +10,7 @@ namespace Microsoft.VisualStudio.Threading
     using System.Diagnostics.CodeAnalysis;
     using System.Runtime.CompilerServices;
     using System.Runtime.ExceptionServices;
+    using System.Runtime.InteropServices;
     using System.Threading;
     using System.Threading.Tasks;
     using Microsoft.Win32;
@@ -122,6 +123,11 @@ public static async Task<int> WaitForExitAsync(this Process process, Cancellatio
         /// </returns>
         public static Task WaitForChangeAsync(this RegistryKey registryKey, bool watchSubtree = true, RegistryChangeNotificationFilters change = RegistryChangeNotificationFilters.Value | RegistryChangeNotificationFilters.Subkey, CancellationToken cancellationToken = default(CancellationToken))
         {
+            if (!RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
+            {
+                throw new PlatformNotSupportedException();
+            }
+
             Requires.NotNull(registryKey, nameof(registryKey));
 
             return WaitForRegistryChangeAsync(registryKey.Handle, watchSubtree, change, cancellationToken);

src/Microsoft.VisualStudio.Threading/Dgml.cs

@@ -33,12 +33,12 @@ internal static XDocument Create(out XElement nodes, out XElement links, string
                     new XAttribute("Layout", layout)));
             if (direction is object)
             {
-                dgml.Root.Add(new XAttribute("GraphDirection", direction));
+                dgml.Root!.Add(new XAttribute("GraphDirection", direction));
             }
 
             nodes = new XElement(XName.Get("Nodes", Namespace));
             links = new XElement(XName.Get("Links", Namespace));
-            dgml.Root.Add(nodes);
+            dgml.Root!.Add(nodes);
             dgml.Root.Add(links);
             dgml.WithCategories(Category("Contains", isContainment: true));
             return dgml;
@@ -107,7 +107,7 @@ internal static XElement Link(string source, string target)
 
         internal static XElement Link(XElement source, XElement target)
         {
-            return Link(source.Attribute("Id").Value, target.Attribute("Id").Value);
+            return Link(source.Attribute("Id")!.Value, target.Attribute("Id")!.Value);
         }
 
         internal static XDocument WithLink(this XDocument document, XElement link)
@@ -192,7 +192,7 @@ internal static XElement ContainedBy(this XElement node, string containerId, XDo
             Requires.NotNull(node, nameof(node));
             Requires.NotNullOrEmpty(containerId, nameof(containerId));
 
-            document.WithLink(Link(containerId, node.Attribute("Id").Value).WithCategories("Contains"));
+            document.WithLink(Link(containerId, node.Attribute("Id")!.Value).WithCategories("Contains"));
             return node;
         }
 
@@ -230,7 +230,7 @@ internal static XDocument WithStyle(this XDocument document, string categoryId,
             Requires.NotNull(properties, nameof(properties));
             Requires.NotNullOrEmpty(targetType, nameof(targetType));
 
-            XElement? container = document.Root.Element(StylesName);
+            XElement? container = document.Root!.Element(StylesName);
             if (container is null)
             {
                 document.Root.Add(container = new XElement(StylesName));
@@ -241,7 +241,7 @@ internal static XDocument WithStyle(this XDocument document, string categoryId,
                 new XAttribute("TargetType", targetType),
                 new XAttribute("GroupLabel", categoryId),
                 new XElement(XName.Get("Condition", Namespace), new XAttribute("Expression", "HasCategory('" + categoryId + "')")));
-            style.Add(properties.Select(p => new XElement(XName.Get("Setter", Namespace), new XAttribute("Property", p.Key), new XAttribute("Value", p.Value))));
+            style.Add(properties.Select(p => new XElement(XName.Get("Setter", Namespace), new XAttribute("Property", p.Key), new XAttribute("Value", p.Value!))));
 
             container.Add(style);
 
@@ -274,7 +274,7 @@ private static XElement GetRootElement(this XDocument document, XName name)
             Requires.NotNull(document, nameof(document));
             Requires.NotNull(name, nameof(name));
 
-            XElement? container = document.Root.Element(name);
+            XElement? container = document.Root!.Element(name);
             if (container is null)
             {
                 document.Root.Add(container = new XElement(name));

src/Microsoft.VisualStudio.Threading/DispatcherExtensions.cs

@@ -1,7 +1,7 @@
 // Copyright (c) Microsoft. All rights reserved.
 // Licensed under the MIT license. See LICENSE file in the project root for full license information.
 
-#if NETFRAMEWORK
+#if NETFRAMEWORK || WINDOWS
 
 namespace Microsoft.VisualStudio.Threading
 {

src/Microsoft.VisualStudio.Threading/JoinableTaskContext+HangReportContributor.cs

@@ -129,15 +129,15 @@ private static ICollection<XElement> CreateCollectionContainingTaskLinks(Diction
                 foreach (JoinableTaskFactory.SingleExecuteProtector? pendingTasksElement in pendingTask.MainThreadQueueContents)
                 {
                     queueIndex++;
-                    XElement? callstackNode = Dgml.Node(node.Attribute("Id").Value + "MTQueue#" + queueIndex, GetAsyncReturnStack(pendingTasksElement));
+                    XElement? callstackNode = Dgml.Node(node.Attribute("Id")!.Value + "MTQueue#" + queueIndex, GetAsyncReturnStack(pendingTasksElement));
                     XElement? callstackLink = Dgml.Link(callstackNode, node);
                     result.Add(Tuple.Create(callstackNode, callstackLink));
                 }
 
                 foreach (JoinableTaskFactory.SingleExecuteProtector? pendingTasksElement in pendingTask.ThreadPoolQueueContents)
                 {
                     queueIndex++;
-                    XElement? callstackNode = Dgml.Node(node.Attribute("Id").Value + "TPQueue#" + queueIndex, GetAsyncReturnStack(pendingTasksElement));
+                    XElement? callstackNode = Dgml.Node(node.Attribute("Id")!.Value + "TPQueue#" + queueIndex, GetAsyncReturnStack(pendingTasksElement));
                     XElement? callstackLink = Dgml.Link(callstackNode, node);
                     result.Add(Tuple.Create(callstackNode, callstackLink));
                 }

src/Microsoft.VisualStudio.Threading/JoinableTaskFactory.cs

@@ -650,9 +650,7 @@ private static void VerifyNoNonConcurrentSyncContext()
             // Don't use Verify.Operation here to avoid loading a string resource in success cases.
             if (SynchronizationContext.Current is AsyncReaderWriterLock.NonConcurrentSynchronizationContext)
             {
-#if NETFRAMEWORK || NETCOREAPP // Assertion failures crash on .NET Core < 3.0
                 Report.Fail(Strings.NotAllowedUnderURorWLock); // pops a CHK assert dialog, but doesn't throw.
-#endif
                 Verify.FailOperation(Strings.NotAllowedUnderURorWLock); // actually throws, even in RET.
             }
         }

src/Microsoft.VisualStudio.Threading/Microsoft.VisualStudio.Threading.csproj

@@ -1,13 +1,17 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>netstandard2.0;netcoreapp3.1;net472</TargetFrameworks>
+    <TargetFrameworks>netstandard2.0;netcoreapp3.1;net5.0;net472</TargetFrameworks>
 
     <Summary>Async synchronization primitives, async collections, TPL and dataflow extensions.</Summary>
     <Description>Async synchronization primitives, async collections, TPL and dataflow extensions. The JoinableTaskFactory allows synchronously blocking the UI thread for async work. This package is applicable to any .NET application (not just Visual Studio).</Description>
     <PackageTags>Threading Async Lock Synchronization Threadsafe</PackageTags>
 
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
   </PropertyGroup>
+  <PropertyGroup Condition="$([MSBuild]::IsOSPlatform('Windows'))">
+    <TargetFrameworks>$(TargetFrameworks);net5.0-windows</TargetFrameworks>
+    <UseWPF Condition=" '$(TargetFramework)' != 'net5.0' ">true</UseWPF>
+  </PropertyGroup>
   <ItemGroup>
     <EmbeddedResource Update="Strings.resx">
       <Generator>ResXFileCodeGenerator</Generator>