Update Scheduler to protect against infinite loop

If we have running tasks, but we're not listening to these tasks,
we're going to loop forever. So throw an exception in this case.

diff --git a/pym/_emerge/Scheduler.py b/pym/_emerge/Scheduler.py
index 5d190428fb80789ee167a9d9fdc07266b79c6764..fa4825cf2058bbbe24ba4690a61a95a332315b32 100644 (file)
--- a/pym/_emerge/Scheduler.py
+++ b/pym/_emerge/Scheduler.py
@@ -1681,15 +1681,13 @@ class Scheduler(PollScheduler):
                        self._set_max_jobs(1)
 
                while self._schedule():
-                       if self._poll_event_handlers:
-                               self._poll_loop()
+                       self._poll_loop()
 
                while True:
                        self._schedule()
                        if not self._is_work_scheduled():
                                break
-                       if self._poll_event_handlers:
-                               self._poll_loop()
+                       self._poll_loop()
 
        def _keep_scheduling(self):
                return bool(not self._terminated_tasks and self._pkg_queue and \