With Python 2.7.5, I'm trying to use the python-daemon 1.6 and its
DaemonRunner helper with the seucre-smtpd 1.1.9 which appears to use
multiprocessing and a process pool under the covers. There seem to be
a couple process issues:
1) The pid file created by DaemonRunner dissappears. This seems to
happen when the SMTP client closes the connection without saying
goodbye first. The process who's PID was in the pid file before
it vanished is still running (as is the pool of worker processes),
and they are still accepting connections and working as it should.
Has anybody else had any luck with DaemonRunner and pidfiles?
2) When DaemonRunner kills the "lead" process (the parent of the
worker pool), the worker pools stays alive and continues to handle
accept and handle requests. [I've tried kill -TERM and -QUIT on
the lead process by hand with the TERM signal, and got the same
results: the worker pool continues to run.]
How so you terminate a Python program that's using multiprocessing?
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