On Mon, 1 Sep 2014 21:17:33 +0000 (UTC) Matthew Woodcraft <matt...@woodcraft.me.uk> wrote: > > > If such applications exist, they are not portable and are subject to > > race conditions (deadlock if the signal comes before the system call). > > The program is certainly not portable (which is not any kind of a > problem), and as pselect is unavailable there is indeed the usual > theoretical race (which has not been a problem in practice in the ten > years it's been running). > > (The program handles SIGTERM so that it can do a bit of cleanup before > exiting, and it uses the signal-handler-sets-a-flag technique. The call > that might be interrupted is sleep(), so the program doesn't strictly > _rely_ on the existing behaviour; it would just become very slow to > exit.)
So, if it's just for process exit, just let the signal handler raise an exception and catch the exception at the top-level. Regards Antoine. _______________________________________________ Python-Dev mailing list Python-Dev@python.org https://mail.python.org/mailman/listinfo/python-dev Unsubscribe: https://mail.python.org/mailman/options/python-dev/archive%40mail-archive.com
