Le Fri, 30 Aug 2013 14:06:11 +0200, Christian Heimes <christ...@python.org> a écrit : > Am 30.08.2013 11:39, schrieb Antoine Pitrou: > > > > Le Fri, 30 Aug 2013 12:24:07 +0300, > > Andrew Svetlov <andrew.svet...@gmail.com> a écrit : > >> Main thread is slightly different from others. > >> Signals can be subscribed from main thread only. > >> Tulip has special logic for main thread. > >> In application code we can explicitly know which thread is > >> executed, main or not. > >> But from library it's not easy. > >> Tulip uses check like > >> threading.current_thread().name == 'MainThread' > >> This approach has a problem: thread name is writable attribute and > >> can be changed by user code. > > > > Please at least use: > > > > >>> isinstance(threading.current_thread(), threading._MainThread) > > True > > > > But really, what we need is a threading.main_thread() function. > > What happens, when a program fork()s from another thread than the main > thread? AFAIR the other threads are suspended and the forking thread > is the new main thread. Or something similar...
Yes. We even support it :-) http://hg.python.org/cpython/file/c347b9063a9e/Lib/test/test_threading.py#l503 (well, whoever wrote that test wanted to support it. I don't think that's me) Regards Antoine. _______________________________________________ Python-Dev mailing list Python-Dev@python.org http://mail.python.org/mailman/listinfo/python-dev Unsubscribe: http://mail.python.org/mailman/options/python-dev/archive%40mail-archive.com
