On Wed, Jul 7, 2021 at 2:28 AM Victor Stinner <vstin...@python.org> wrote:
> Hi, > > Does anyone use threading debug PYTHONTHREADDEBUG=1 env var on a > Python debug build? If not, can I just remove it? > > -- > > To fix a race condition at thread exit on Linux using the glibc, I > removed calls to pthread_exit() (PyThread_exit_thread()) in the > _thread module: > > https://bugs.python.org/issue44434 > > A side effect of this change is the removal of the > "PyThread_exit_thread called" threading debug log when using > PYTHONTHREADDEBUG=1 environment variable. > > I never used PYTHONTHREADDEBUG. I just tried it and it produces tons > of output in stdout about locks. It looks basically useless because it > produces way too many logs, and it pollutes stdout (ex: most Python > tests fail when it's enabled). > > This debug mode requires to build Python in debug mode (./configure > --with-pydebug): > > https://docs.python.org/dev/using/configure.html#python-debug-build > > IMO there are enough external debugging tools to debug threading > issues. Python no longer has to come with its built-in logs. > > I propose to deprecate the feature in Python 3.11 and remove it in 2 > releases (Python 3.13). > I agree with its removal. > Victor > -- > Night gathers, and now my watch begins. It shall not end until my death. > _______________________________________________ > Python-Dev mailing list -- python-dev@python.org > To unsubscribe send an email to python-dev-le...@python.org > https://mail.python.org/mailman3/lists/python-dev.python.org/ > Message archived at > https://mail.python.org/archives/list/python-dev@python.org/message/NMLGCDRUKLZSTK4UICJTKR54WRXU2ZGJ/ > Code of Conduct: http://python.org/psf/codeofconduct/ >
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