STINNER Victor added the comment: If I understood corretly, the problem is that the Python C signal handler is not reentrant because it calls Py_AddPendingCall() which uses a lock and a list.
Before, the signal handler queued a new call to checksignals_witharg() (which just calls PyErr_CheckSignals()) for each received signal. Now, we only queue a single call to checksignals_witharg(). To prevent reentrency issues, can't we hardcoded a call to PyErr_CheckSignals() in ceval.c when SIGNAL_PENDING_CALLS() is called? Py_AddPendingCall() feature is rarely used, it's mostly used for processing signals, no? Calling PyErr_CheckSignals() when no signal was received is cheap, so it shouldn't hurt. ---------- _______________________________________ Python tracker <rep...@bugs.python.org> <http://bugs.python.org/issue30703> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
