private static Action OutputWaitEtwEvents(Task task, Action continuation)
{
if (Task.s_asyncDebuggingEnabled)
{
Task.AddToActiveTasks(task);
}
TplEtwProvider etwLog = TplEtwProvider.Log;
if (etwLog.IsEnabled())
{
Task internalCurrent = Task.InternalCurrent;
Task continuationTask = AsyncMethodBuilderCore.TryGetContinuationTask(continuation);
etwLog.TaskWaitBegin(internalCurrent != null ? internalCurrent.m_taskScheduler.Id : TaskScheduler.Default.Id, internalCurrent != null ? internalCurrent.Id : 0, task.Id, TplEtwProvider.TaskWaitBehavior.Asynchronous, continuationTask != null ? continuationTask.Id : 0, Thread.GetDomainID());
}
return(AsyncMethodBuilderCore.CreateContinuationWrapper(continuation, (Action)(() =>
{
if (Task.s_asyncDebuggingEnabled)
{
Task.RemoveFromActiveTasks(task.Id);
}
Guid oldActivityThatWillContinue = new Guid();
int num = etwLog.IsEnabled() ? 1 : 0;
if (num != 0)
{
Task internalCurrent = Task.InternalCurrent;
etwLog.TaskWaitEnd(internalCurrent != null ? internalCurrent.m_taskScheduler.Id : TaskScheduler.Default.Id, internalCurrent != null ? internalCurrent.Id : 0, task.Id);
if (etwLog.TasksSetActivityIds && (task.Options & (TaskCreationOptions)1024) != TaskCreationOptions.None)
{
EventSource.SetCurrentThreadActivityId(TplEtwProvider.CreateGuidForTaskID(task.Id), out oldActivityThatWillContinue);
}
}
continuation();
if (num == 0)
{
return;
}
etwLog.TaskWaitContinuationComplete(task.Id);
if (!etwLog.TasksSetActivityIds || (task.Options & (TaskCreationOptions)1024) == TaskCreationOptions.None)
{
return;
}
EventSource.SetCurrentThreadActivityId(oldActivityThatWillContinue);
}), (Task)null));
}
// Token: 0x06005D28 RID: 23848 RVA: 0x00146878 File Offset: 0x00144A78
private static Action OutputWaitEtwEvents(Task task, Action continuation)
{
if (Task.s_asyncDebuggingEnabled)
{
Task.AddToActiveTasks(task);
}
TplEtwProvider etwLog = TplEtwProvider.Log;
if (etwLog.IsEnabled())
{
Task internalCurrent = Task.InternalCurrent;
Task task2 = AsyncMethodBuilderCore.TryGetContinuationTask(continuation);
etwLog.TaskWaitBegin((internalCurrent != null) ? internalCurrent.m_taskScheduler.Id : TaskScheduler.Default.Id, (internalCurrent != null) ? internalCurrent.Id : 0, task.Id, TplEtwProvider.TaskWaitBehavior.Asynchronous, (task2 != null) ? task2.Id : 0, Thread.GetDomainID());
}
return(AsyncMethodBuilderCore.CreateContinuationWrapper(continuation, delegate
{
if (Task.s_asyncDebuggingEnabled)
{
Task.RemoveFromActiveTasks(task.Id);
}
Guid currentThreadActivityId = default(Guid);
bool flag = etwLog.IsEnabled();
if (flag)
{
Task internalCurrent2 = Task.InternalCurrent;
etwLog.TaskWaitEnd((internalCurrent2 != null) ? internalCurrent2.m_taskScheduler.Id : TaskScheduler.Default.Id, (internalCurrent2 != null) ? internalCurrent2.Id : 0, task.Id);
if (etwLog.TasksSetActivityIds && (task.Options & (TaskCreationOptions)1024) != TaskCreationOptions.None)
{
EventSource.SetCurrentThreadActivityId(TplEtwProvider.CreateGuidForTaskID(task.Id), out currentThreadActivityId);
}
}
continuation();
if (flag)
{
etwLog.TaskWaitContinuationComplete(task.Id);
if (etwLog.TasksSetActivityIds && (task.Options & (TaskCreationOptions)1024) != TaskCreationOptions.None)
{
EventSource.SetCurrentThreadActivityId(currentThreadActivityId);
}
}
}, null));
}
/// <summary>
/// Outputs a WaitBegin ETW event, and augments the continuation action to output a WaitEnd ETW event.
/// </summary>
/// <param name="task">The task being awaited.</param>
/// <param name="continuation">The action to invoke when the await operation completes.</param>
/// <returns>The action to use as the actual continuation.</returns>
private static Action OutputWaitEtwEvents(Task task, Action continuation)
{
Debug.Assert(task != null, "Need a task to wait on");
Debug.Assert(continuation != null, "Need a continuation to invoke when the wait completes");
if (Task.s_asyncDebuggingEnabled)
{
Task.AddToActiveTasks(task);
}
var etwLog = TplEtwProvider.Log;
if (etwLog.IsEnabled())
{
// ETW event for Task Wait Begin
var currentTaskAtBegin = Task.InternalCurrent;
// If this task's continuation is another task, get it.
var continuationTask = AsyncMethodBuilderCore.TryGetContinuationTask(continuation);
etwLog.TaskWaitBegin(
(currentTaskAtBegin != null ? currentTaskAtBegin.m_taskScheduler.Id : TaskScheduler.Default.Id),
(currentTaskAtBegin != null ? currentTaskAtBegin.Id : 0),
task.Id, TplEtwProvider.TaskWaitBehavior.Asynchronous,
(continuationTask != null ? continuationTask.Id : 0));
}
// Create a continuation action that outputs the end event and then invokes the user
// provided delegate. This incurs the allocations for the closure/delegate, but only if the event
// is enabled, and in doing so it allows us to pass the awaited task's information into the end event
// in a purely pay-for-play manner (the alternatively would be to increase the size of TaskAwaiter
// just for this ETW purpose, not pay-for-play, since GetResult would need to know whether a real yield occurred).
return(AsyncMethodBuilderCore.CreateContinuationWrapper(continuation, (innerContinuation, innerTask) =>
{
if (Task.s_asyncDebuggingEnabled)
{
Task.RemoveFromActiveTasks(innerTask);
}
TplEtwProvider innerEtwLog = TplEtwProvider.Log;
// ETW event for Task Wait End.
Guid prevActivityId = new Guid();
bool bEtwLogEnabled = innerEtwLog.IsEnabled();
if (bEtwLogEnabled)
{
var currentTaskAtEnd = Task.InternalCurrent;
innerEtwLog.TaskWaitEnd(
(currentTaskAtEnd != null ? currentTaskAtEnd.m_taskScheduler.Id : TaskScheduler.Default.Id),
(currentTaskAtEnd != null ? currentTaskAtEnd.Id : 0),
innerTask.Id);
// Ensure the continuation runs under the activity ID of the task that completed for the
// case the antecedent is a promise (in the other cases this is already the case).
if (innerEtwLog.TasksSetActivityIds && (innerTask.Options & (TaskCreationOptions)InternalTaskOptions.PromiseTask) != 0)
{
EventSource.SetCurrentThreadActivityId(TplEtwProvider.CreateGuidForTaskID(innerTask.Id), out prevActivityId);
}
}
// Invoke the original continuation provided to OnCompleted.
innerContinuation();
if (bEtwLogEnabled)
{
innerEtwLog.TaskWaitContinuationComplete(innerTask.Id);
if (innerEtwLog.TasksSetActivityIds && (innerTask.Options & (TaskCreationOptions)InternalTaskOptions.PromiseTask) != 0)
{
EventSource.SetCurrentThreadActivityId(prevActivityId);
}
}
}, task));
}