Github user aarondav commented on the pull request:
https://github.com/apache/spark/pull/1247#issuecomment-47399183
Just to make sure I understand the problem, is the issue that the spawned
python worker process inherits the SIGCHLD handler of its parent process, which
it has no need for? And that libraries which spawn subprocesses can invoke this
SIGCHLD handler unexpectedly?
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