public bool TryTakeItem(ThreadPoolThreadLocals local, bool doLocalSearch, bool doWorkSteal, out ThreadPoolWorkItem item, int timeout, CancellationToken token, bool throwOnCancellation)
{
Contract.Ensures(Contract.Result <bool>() == false || Contract.ValueAtReturn(out item) != null);
Debug.Assert(!_isDisposed);
if (local != null)
{
return(_queues.TryTake(local.LocalQueue, doLocalSearch, doWorkSteal, out item, timeout, token, throwOnCancellation));
}
else
{
return(_queues.TryTake(null, doLocalSearch, doWorkSteal, out item, timeout, token, throwOnCancellation));
}
}
public bool TryTakeItem(ThreadPoolThreadLocals local, out ThreadPoolWorkItem item)
{
Contract.Ensures(Contract.Result <bool>() == false || Contract.ValueAtReturn(out item) != null);
Debug.Assert(!_isDisposed);
if (local != null)
{
return(_queues.TryTake(local.LocalQueue, out item, 0, new CancellationToken(), true));
}
else
{
return(_queues.TryTake(null, out item, 0, new CancellationToken(), true));
}
}
public ThreadPoolWorkItem TakeItem(ThreadPoolThreadLocals local, CancellationToken token)
{
Contract.Ensures(Contract.Result <ThreadPoolWorkItem>() != null);
Debug.Assert(!_isDisposed);
if (local != null)
{
return(_queues.Take(local.LocalQueue, token));
}
else
{
return(_queues.Take(null, token));
}
}
public ThreadPoolWorkItem TakeItem(ThreadPoolThreadLocals local, CancellationToken token)
{
TurboContract.Ensures(TurboContract.Result <ThreadPoolWorkItem>() != null);
TurboContract.Assert(!_isDisposed, conditionString: "!_isDisposed");
if (local != null)
{
return(_queues.Take(local.LocalQueue, token));
}
else
{
return(_queues.Take(null, token));
}
}
public bool TryAddItem(ThreadPoolWorkItem item, bool forceGlobal)
{
Contract.Requires(item != null);
Debug.Assert(!_isDisposed);
ThreadPoolLocalQueue localQueue = null;
if (!forceGlobal)
{
ThreadPoolThreadLocals threadLocal = _perThreadData.Value;
localQueue = threadLocal != null ? threadLocal.LocalQueue : null;
}
return(_queues.TryAdd(item, localQueue, forceGlobal));
}
public bool TryAddItem(ThreadPoolWorkItem item, bool forceGlobal)
{
TurboContract.Requires(item != null, conditionString: "item != null");
TurboContract.Assert(!_isDisposed, conditionString: "!_isDisposed");
ThreadPoolLocalQueue localQueue = null;
if (!forceGlobal)
{
ThreadPoolThreadLocals threadLocal = _perThreadData.Value;
localQueue = threadLocal != null ? threadLocal.LocalQueue : null;
}
return(_queues.TryAdd(item, localQueue, forceGlobal));
}
/// <summary>
/// Получить или создать данные для текущего потока.
/// Предполагается, что вызывающий поток принадлежит пулу потоков
/// </summary>
/// <param name="createThreadLocalQueue">Создавать ли локальную очередь потока</param>
/// <returns>Данные потока</returns>
public ThreadPoolThreadLocals GetOrCreateThisThreadData(bool createThreadLocalQueue = true)
{
Contract.Ensures(Contract.Result <ThreadPoolThreadLocals>() != null);
Debug.Assert(!_isDisposed);
ThreadPoolThreadLocals result = _perThreadData.Value;
if (result == null)
{
result = new ThreadPoolThreadLocals(this, createThreadLocalQueue);
_perThreadData.Value = result;
if (createThreadLocalQueue)
{
_queues.AddLocalQueue(result.LocalQueue);
}
}
return(result);
}
/// <summary>
/// Удалить локальные данные текущего потока
/// </summary>
public void FreeThisThreadData()
{
ThreadPoolThreadLocals data = _perThreadData.Value;
if (data == null)
{
return;
}
if (data.LocalQueue != null)
{
_queues.RemoveLocalQueue(data.LocalQueue);
}
_perThreadData.Value = null;
if (data.LocalQueue != null)
{
_queues.MoveItemsFromLocalQueueToGlobal(data.LocalQueue);
}
data.Dispose();
}
