[tor-bugs] #19454 [Core Tor/Tor]: tor crashed when "HeartbeatPeriod 0"

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#19454: tor crashed when "HeartbeatPeriod 0"
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 Reporter:  kukabu          |          Owner:
     Type:  defect          |         Status:  closed
 Priority:  Medium          |      Milestone:  Tor: 0.2.8.x-final
Component:  Core Tor/Tor    |        Version:  Tor: 0.2.8.4-rc
 Severity:  Blocker         |     Resolution:  fixed
 Keywords:  review-group-4  |  Actual Points:
Parent ID:                  |         Points:
 Reviewer:  asn             |        Sponsor:
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Comment (by cypherpunks):

 FWIW the `PERIODIC_EVENT_NO_UPDATE` causes the callback function to be
 called every second if i understand the code of `periodic_event_dispatch`
 correctly.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/19454#comment:15>
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