[tor-bugs] #25937 [Core Tor/Tor]: Move dirvote_act into a periodic callback

[Tor Bug Tracker & Wiki]

#25937: Move dirvote_act into a periodic callback
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     Reporter:  nickm    |      Owner:  nickm
         Type:  defect   |     Status:  assigned
     Priority:  Medium   |  Milestone:  Tor: 0.3.4.x-final
    Component:  Core     |    Version:
  Tor/Tor                |   Keywords:  034-roadmap-subtask,
     Severity:  Normal   |  034-triage-20180328, 034-included-20180328
Actual Points:           |  Parent ID:  #25375
       Points:           |   Reviewer:
      Sponsor:           |
  Sponsor8               |
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 Instead of calling dirvote_act once per second, we can just ask it when to
 call it next.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/25937>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
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