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Fix thread-safety of queued events list in ArchiveModelManager

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This commit is contained in:
Dean Herbert 2018-09-09 22:37:15 +09:00
parent b14d5e9fdc
commit 55372496d1
1 changed files with 10 additions and 4 deletions
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14
osu.Game/Database/ArchiveModelManager.cs
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@ -59,7 +59,7 @@ namespace osu.Game.Database
// ReSharper disable once NotAccessedField.Local (we should keep a reference to this so it is not finalised)
private ArchiveImportIPCChannel ipc;
private readonly List<Action> cachedEvents = new List<Action>();
private readonly List<Action> queuedEvents = new List<Action>();
/// <summary>
/// Allows delaying of outwards events until an operation is confirmed (at a database level).
@ -77,20 +77,26 @@ namespace osu.Game.Database
/// <param name="perform">Whether the flushed events should be performed.</param>
private void flushEvents(bool perform)
{
Action[] events;
lock (queuedEvents)
{
events = queuedEvents.ToArray();
queuedEvents.Clear();
}
if (perform)
{
foreach (var a in cachedEvents)
foreach (var a in events)
a.Invoke();
}
cachedEvents.Clear();
delayingEvents = false;
}
private void handleEvent(Action a)
{
if (delayingEvents)
cachedEvents.Add(a);
lock (queuedEvents) queuedEvents.Add(a);
else
a.Invoke();
}