+bool
+JobManager::errors () const
+{
+ boost::mutex::scoped_lock lm (_mutex);
+ for (list<shared_ptr<Job> >::const_iterator i = _jobs.begin(); i != _jobs.end(); ++i) {
+ if ((*i)->finished_in_error ()) {
+ return true;
+ }
+ }
+
+ return false;
+}
+