diff options
Diffstat (limited to 'pym/_emerge/AsynchronousTask.py')
-rw-r--r-- | pym/_emerge/AsynchronousTask.py | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/pym/_emerge/AsynchronousTask.py b/pym/_emerge/AsynchronousTask.py index 36522ca4c..4aa598085 100644 --- a/pym/_emerge/AsynchronousTask.py +++ b/pym/_emerge/AsynchronousTask.py @@ -14,7 +14,8 @@ class AsynchronousTask(SlotObject): """ __slots__ = ("background", "cancelled", "returncode") + \ - ("_exit_listeners", "_exit_listener_stack", "_start_listeners") + ("_exit_listeners", "_exit_listener_stack", "_start_listeners", + "_waiting") def start(self): """ @@ -42,7 +43,12 @@ class AsynchronousTask(SlotObject): def wait(self): if self.returncode is None: - self._wait() + if not self._waiting: + self._waiting = True + try: + self._wait() + finally: + self._waiting = False self._wait_hook() return self.returncode |