diff options
Diffstat (limited to 'Lib/threading.py')
| -rw-r--r-- | Lib/threading.py | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/Lib/threading.py b/Lib/threading.py index 7c6d404bcd..01a15a6fc0 100644 --- a/Lib/threading.py +++ b/Lib/threading.py @@ -34,6 +34,7 @@ _start_new_thread = _thread.start_new_thread _allocate_lock = _thread.allocate_lock _set_sentinel = _thread._set_sentinel get_ident = _thread.get_ident +_is_main_interpreter = _thread._is_main_interpreter try: get_native_id = _thread.get_native_id _HAVE_THREAD_NATIVE_ID = True @@ -846,6 +847,11 @@ class Thread: if self._started.is_set(): raise RuntimeError("threads can only be started once") + + if self.daemon and not _is_main_interpreter(): + raise RuntimeError("daemon thread are not supported " + "in subinterpreters") + with _active_limbo_lock: _limbo[self] = self try: |