[Buildbot] #3454: Tests failing with newer Twisteds in Docker configuration

[Buildbot trac]

#3454: Tests failing with newer Twisteds in Docker configuration
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Reporter:  dustin  |       Owner:  dustin
    Type:  defect  |      Status:  new
Priority:  minor   |   Milestone:  0.9.+
 Version:  master  |  Resolution:
Keywords:          |
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Comment (by tardyp):

 I think dumb-init is fine, but that would probably be uber cool to write a
 small reaper for twisted that we could embed in our workers. as really a
 worker is meant to  spawn childs.

 I think reaping is really just about registering to SIG_CHILD event and
 calling waitpid()

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Ticket URL: <http://trac.buildbot.net/ticket/3454#comment:10>
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