Add ConcurrentStopwatch class

Added a thread-safe version of the Stopwatch .NET class.

Change-Id: Ia167e38ed126ef11625fab0fe8df7fd6308e08a0
Reviewed-by: Oliver Wolff <oliver.wolff@qt.io>

2 files changed, 62 insertions, 0 deletions

diff --git a/src/qtvstools/Common/ConcurrentStopwatch.cs b/src/qtvstools/Common/ConcurrentStopwatch.cs
new file mode 100644
index 00000000..fa444cc9
--- /dev/null
+++ b/src/qtvstools/Common/ConcurrentStopwatch.cs
@@ -0,0 +1,61 @@
+/****************************************************************************
+**
+** Copyright (C) 2021 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the Qt VS Tools.
+**
+** $QT_BEGIN_LICENSE:GPL-EXCEPT$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 as published by the Free Software
+** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+using System;
+using System.Diagnostics;
+
+namespace QtVsTools
+{
+    public class ConcurrentStopwatch : Concurrent<ConcurrentStopwatch>
+    {
+        Stopwatch Stopwatch { get; set; }
+
+        public ConcurrentStopwatch()
+        {
+            Stopwatch = new Stopwatch();
+        }
+
+        public static ConcurrentStopwatch StartNew()
+        {
+            ConcurrentStopwatch s = new ConcurrentStopwatch();
+            s.Start();
+            return s;
+        }
+
+        public static long Frequency => Stopwatch.Frequency;
+        public static bool IsHighResolution => Stopwatch.IsHighResolution;
+        public bool IsRunning => ThreadSafe(() => Stopwatch.IsRunning);
+        public TimeSpan Elapsed => ThreadSafe(() => Stopwatch.Elapsed);
+        public long ElapsedMilliseconds => ThreadSafe(() => Stopwatch.ElapsedMilliseconds);
+        public long ElapsedTicks => ThreadSafe(() => Stopwatch.ElapsedTicks);
+        public void Reset() => ThreadSafe(() => Stopwatch.Reset());
+        public void Restart() => ThreadSafe(() => Stopwatch.Restart());
+        public void Start() => ThreadSafe(() => Stopwatch.Start());
+        public void Stop() => ThreadSafe(() => Stopwatch.Stop());
+    }
+}
diff --git a/src/qtvstools/QtVsTools.csproj b/src/qtvstools/QtVsTools.csproj
index 61ee5a2f..5a68fc43 100644
--- a/src/qtvstools/QtVsTools.csproj
+++ b/src/qtvstools/QtVsTools.csproj
@@ -59,6 +59,7 @@
     </Compile>
     <Compile Include="ChangeFor.cs" />
     <Compile Include="Common\Concurrent.cs" />
+    <Compile Include="Common\ConcurrentStopwatch.cs" />
     <Compile Include="Common\Disposable.cs" />
     <Compile Include="Common\NativeAPI.cs" />
     <Compile Include="Common\Prototyped.cs" />