_pruneCachedTraceSources()

static void System.Diagnostics.TraceSource._pruneCachedTraceSources ( )

inlinestaticprivate

Definition at line 91 of file TraceSource.cs.

    {
        lock (s_tracesources)
        {
            if (s_LastCollectionCount == GC.CollectionCount(2))
            {
                return;
            }
            List<WeakReference<TraceSource>> list = new List<WeakReference<TraceSource>>(s_tracesources.Count);
            for (int i = 0; i < s_tracesources.Count; i++)
            {
                if (s_tracesources[i].TryGetTarget(out var _))
                {
                    list.Add(s_tracesources[i]);
                }
            }
            if (list.Count < s_tracesources.Count)
            {
                s_tracesources.Clear();
                s_tracesources.AddRange(list);
                s_tracesources.TrimExcess();
            }
            s_LastCollectionCount = GC.CollectionCount(2);
        }
    }

References System.Collections.Generic.Dictionary< TKey, TValue >.Add(), System.GC.CollectionCount(), System.list, System.Diagnostics.TraceSource.s_LastCollectionCount, and System.Diagnostics.TraceSource.s_tracesources.

Referenced by System.Diagnostics.TraceSource.TraceSource(), and System.Diagnostics.TraceSource.RefreshAll().