internal Task(Action <object> action,
object state,
CancellationToken cancellationToken,
TaskCreationOptions creationOptions,
Task parent)
{
this.taskCreationOptions = creationOptions;
this.action = action;
this.state = state;
this.taskId = Interlocked.Increment(ref id);
this.status = cancellationToken.IsCancellationRequested ? TaskStatus.Canceled : TaskStatus.Created;
this.token = cancellationToken;
this.parent = parent;
// Process taskCreationOptions
if (CheckTaskOptions(taskCreationOptions, TaskCreationOptions.AttachedToParent) && parent != null)
{
parent.AddChild();
}
if (token.CanBeCanceled)
{
cancelation_registration = token.Register(l => ((Task)l).CancelReal(), this);
}
}
public Task(Action <object> action, object state, CancellationToken token, TaskCreationOptions options)
{
this.taskCreationOptions = options;
this.action = action == null ? EmptyFunc : action;
this.state = state;
this.taskId = Interlocked.Increment(ref id);
this.status = TaskStatus.Created;
this.token = token;
// Process taskCreationOptions
if (CheckTaskOptions(taskCreationOptions, TaskCreationOptions.AttachedToParent))
{
parent = current;
if (parent != null)
{
parent.AddChild();
}
}
}
internal Task(Action <object> action,
object state,
CancellationToken cancellationToken,
TaskCreationOptions creationOptions,
Task parent)
{
this.taskCreationOptions = creationOptions;
this.action = action;
this.state = state;
this.taskId = Interlocked.Increment(ref id);
this.status = TaskStatus.Created;
this.token = cancellationToken;
this.parent = parent;
// Process taskCreationOptions
if (CheckTaskOptions(taskCreationOptions, TaskCreationOptions.AttachedToParent) && parent != null)
{
parent.AddChild();
}
}
public Task(Action <object> action, object state, TaskCreationOptions options)
{
this.taskCreationOptions = options;
this.action = action == null ? EmptyFunc : action;
this.state = state;
this.taskId = Interlocked.Increment(ref id);
this.status = TaskStatus.Created;
// Process taskCreationOptions
if (CheckTaskOptions(taskCreationOptions, TaskCreationOptions.DetachedFromParent))
{
parent = null;
}
else if (parent != null)
{
parent.AddChild();
}
respectParentCancellation =
CheckTaskOptions(taskCreationOptions, TaskCreationOptions.RespectParentCancellation);
}
internal Task(TaskActionInvoker invoker, object state, CancellationToken cancellationToken,
TaskCreationOptions creationOptions, Task parent = null, Task contAncestor = null)
{
this.invoker = invoker;
this.taskCreationOptions = creationOptions;
this.state = state;
this.taskId = Interlocked.Increment(ref id);
this.status = cancellationToken.IsCancellationRequested ? TaskStatus.Canceled : TaskStatus.Created;
this.token = cancellationToken;
this.parent = parent = parent == null ? current : parent;
this.contAncestor = contAncestor;
// Process taskCreationOptions
if (CheckTaskOptions(taskCreationOptions, TaskCreationOptions.AttachedToParent) && parent != null)
{
parent.AddChild();
}
if (token.CanBeCanceled)
{
cancellationRegistration = token.Register(l => ((Task)l).CancelReal(), this);
}
}
internal Task (TaskActionInvoker invoker, object state, CancellationToken cancellationToken,
TaskCreationOptions creationOptions, Task parent = null, Task contAncestor = null, bool ignoreCancellation = false)
{
this.invoker = invoker;
this.creationOptions = creationOptions;
this.state = state;
this.taskId = Interlocked.Increment (ref id);
this.token = cancellationToken;
this.parent = parent = parent == null ? current : parent;
this.contAncestor = contAncestor;
this.status = cancellationToken.IsCancellationRequested && !ignoreCancellation ? TaskStatus.Canceled : TaskStatus.Created;
// Process creationOptions
#if NET_4_5
if (parent != null && HasFlag (creationOptions, TaskCreationOptions.AttachedToParent)
&& !HasFlag (parent.CreationOptions, TaskCreationOptions.DenyChildAttach))
#else
if (parent != null && HasFlag (creationOptions, TaskCreationOptions.AttachedToParent))
#endif
parent.AddChild ();
if (token.CanBeCanceled && !ignoreCancellation)
cancellationRegistration = token.Register (l => ((Task) l).CancelReal (), this);
}
