Evil from #perl:

2014 May 01 Thu:
10:43 <LeoNerd> They're basically horrible.
10:43 <LeoNerd> perlbot: threads
10:43 <perlbot> LeoNerd: threads.pm is evil, please explain what you're trying to write so we can help you find a better way (see http://www.perlmonks.org/index.pl?node_id=288022 for details on "evil")
10:46 <Botje> kjeefl: killing a thread is great idea to end up with deadlocks.