private int MergeThreadCount(bool excludeDone)
{
lock (this)
{
int count = 0;
int numThreads = mergeThreads.Count;
for (int i = 0; i < numThreads; i++)
{
MergeThread t = (MergeThread)mergeThreads[i];
if (t.IsAlive)
{
MergePolicy.OneMerge runningMerge = t.GetRunningMerge();
if (!excludeDone || (runningMerge != null && !runningMerge.mergeDone))
{
count++;
}
}
}
return(count);
}
}
