public void RaiseFaultedEvent(bool taskFailed)
{
bool raiseEvent = false;
// For SP3, we need to crash if this happens in the vertex host
if (String.Compare(Process.GetCurrentProcess().ProcessName, "HpcQueryVertexHost", StringComparison.OrdinalIgnoreCase) == 0)
{
DryadLogger.LogCritical(0, null, "Vertex Host lost communication with Vertex Service while updating vertex status: Exiting vertex. Graph Manager will rerun a failed vertex up to six times.");
Environment.Exit(unchecked ((int)Constants.DrError_VertexHostLostCommunication));
}
lock (SyncRoot)
{
// We always want to raise the faulted event if the
// task failed, so that the dispatcher is disposed.
// If the task did not fail, we want to ensure that
// the event is only raised once for a given fault.
raiseEvent = taskFailed || (!Faulted);
// We never want to reset m_taskFailed once it's been set
// to true, because the task isn't coming back.
m_taskFailed = m_taskFailed || taskFailed;
m_faulted = true;
}
if (raiseEvent)
{
DryadLogger.LogError(0, null, "Dispatcher for task {0} has faulted on node {1}, current process: {2}", m_taskId, m_nodeName, CurrentProcess == InvalidProcessId ? "<none>" : CurrentProcess.ToString());
// Notice that this will keep any locks that are currently held, so refrain from calling this while enumerating the dispatchers
FaultedEvent(this, null);
}
}
