private void NotifyThreadPoolOfPendingWork()
{
if (_nowRunningCount < this.MaxConcurrentCount)
{
var canRunCount = this.MaxConcurrentCount - _nowRunningCount;
var failPopTimes = 0;
while (_waitingTasks.Count > 0 && _idleThreads.Count > 0 && failPopTimes < _maxTryPopFailTimes)
{
CThread worker;
if (!_idleThreads.TryDequeue(out worker))
{
failPopTimes++;
continue;
}
if (worker.IsShutdown)
{
_threads.Remove(worker);
//Interlocked.Decrement(ref _threadCount);
continue;
}
IDo task;
if (_waitingTasks.TryDequeue(out task))
{
if (task.IsCanDo(this.WorkItemTimeoutMiliseconds))
{
worker.DoWork(task);
Interlocked.Increment(ref _nowRunningCount);
}
else
{
Interlocked.Increment(ref _timeoutCount);
}
}
}
while (_waitingTasks.Count > 0 && _nowRunningCount < this.MaxConcurrentCount)
{
IDo task;
if (_waitingTasks.TryDequeue(out task))
{
if (task.IsCanDo(this.WorkItemTimeoutMiliseconds))
{
CThread thread = new CThread(OnWorkComplete);
thread.DoWork(task);
Interlocked.Increment(ref _nowRunningCount);
//Interlocked.Increment(ref _threadCount);
//_threads[_threadCount - 1] = thread;
_threads.Add(thread);
}
}
}
}
}
private void ResizeThreadPool(List <CThread> _threads, int _MaxConcurrentCount)
{
_threads.RemoveAll(x => x.IsShutdown);
var diff = _threads.Count - _MaxConcurrentCount;
if (diff > 0)
{
var idleThreads = _threads.Where(x => x.IsIdle && x.ThreadID > 0).ToArray();
var idleDiff = idleThreads.Count() - diff;
if (idleDiff >= 0)
{
foreach (var item in idleThreads)
{
item.Shutdown();
_threads.Remove(item);
}
_idleThreads = new ConcurrentQueue <CThread>();
if (idleDiff > 0)
{
var needShutdownThread = _threads.Take(idleDiff).ToArray();
var ids = new int[needShutdownThread.Length];
for (int i = 0; i < needShutdownThread.Length; i++)
{
needShutdownThread[i].Shutdown();
ids[0] = needShutdownThread[i].ThreadID;
}
_threads.RemoveAll(x => ids.Contains(x.ThreadID));
}
}
else
{
for (int i = 0; i < -idleDiff && _threads.Count > 0; i++)
{
CThread thread = _threads[0];
thread.Shutdown();
_threads.Remove(thread);
}
}
}
}
private static void ResizeThreadPool(ref CThread[] array, int newSize)
{
if (newSize < 0)
{
return;
}
CThread[] larray = array;
if (larray == null)
{
array = new CThread[newSize];
return;
}
if (larray.Length != newSize)
{
CThread[] newArray = new CThread[newSize];
if (larray.Length < newSize)
{
Array.Copy(larray, 0, newArray, 0, larray.Length > newSize ? newSize : larray.Length);
}
else
{
var tmp = larray.Where(x => x != null && !x.IsShutdown).OrderBy(x => !x.IsIdle).ToArray();
Array.Copy(tmp, 0, newArray, 0, tmp.Length > newSize ? newSize : tmp.Length);
if (tmp.Length > newSize)
{
foreach (var t in tmp.Skip(newSize).ToArray())
{
t.Shutdown();
}
}
}
array = newArray;
}
}
