Hi everyone,
Working on #12415 (new doctesting framework) led me to the issue tracked at
#13748. I'm not sure whether I'm doing something wrong if there's a
problem with Sage's signal handler.
Putting the following code in your init.sage causes a segfault in a child
process:
import multiprocessing
class Task(multiprocessing.Process):
def run(self):
sage_namespace = dict(sage.all_cmdline.__dict__)
exec compile("from sage.tests.interrupt import *","","single",0,1)
in sage_namespace
exec compile("test_sig_block()","","single",0,1) in sage_namespace
exec compile("sig_on_count()","","single",0,1) in sage_namespace
Task().start()
Perhaps something in our signal handler is being inappropriately copied in
our fork? It would be great if someone more familiar with Sage's signal
handling could take a look: I've been stuck on this bug for about 4 months.
David
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