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Merge remote-tracking branch 'origin/Core/ThreadSafety' into Development

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This commit is contained in:
SpoinkyNL 2020-01-12 16:48:18 +01:00
commit 9958da79d8
1 changed files with 21 additions and 12 deletions
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33
RGB.NET.Core/Update/TimerUpdateTrigger.cs
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@ -14,11 +14,13 @@ namespace RGB.NET.Core
{
#region Properties & Fields
private object _lock = new object();
private CancellationTokenSource _updateTokenSource;
private CancellationToken _updateToken;
private Task _updateTask;
private Stopwatch _sleepCounter;
private double _updateFrequency = 1.0 / 30.0;
/// <summary>
/// Gets or sets the update-frequency in seconds. (Calculate by using '1.0 / updates per second')
@ -33,7 +35,7 @@ namespace RGB.NET.Core
/// Gets the time it took the last update-loop cycle to run.
/// </summary>
public double LastUpdateTime { get; private set; }
#endregion
#region Constructors
@ -59,25 +61,32 @@ namespace RGB.NET.Core
/// </summary>
public void Start()
{
if (_updateTask == null)
lock (_lock)
{
_updateTokenSource?.Dispose();
_updateTokenSource = new CancellationTokenSource();
_updateTask = Task.Factory.StartNew(UpdateLoop, (_updateToken = _updateTokenSource.Token), TaskCreationOptions.LongRunning, TaskScheduler.Default);
if (_updateTask == null)
{
_updateTokenSource?.Dispose();
_updateTokenSource = new CancellationTokenSource();
_updateTask = Task.Factory.StartNew(UpdateLoop, (_updateToken = _updateTokenSource.Token), TaskCreationOptions.LongRunning, TaskScheduler.Default);
}
}
}
/// <summary>
/// Stops the trigger if running, causing it to stop performing updates.
/// </summary>
public async void Stop()
public void Stop()
{
if (_updateTask != null)
lock (_lock)
{
_updateTokenSource.Cancel();
await _updateTask;
_updateTask.Dispose();
_updateTask = null;
if (_updateTask != null)
{
_updateTokenSource.Cancel();
// ReSharper disable once MethodSupportsCancellation
_updateTask.Wait();
_updateTask.Dispose();
_updateTask = null;
}
}
}